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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 1.441 by root, Sat Aug 30 05:19:03 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	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
28		71
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	72	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		73
36	our %COMMAND = ();	74	our %COMMAND = ();
37	our %COMMAND_TIME = ();	75	our %COMMAND_TIME = ();
38		76
39	our @EXTS = (); # list of extension package names	77	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	78	our %EXTCMD = ();
		79	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	80	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	81	our %EXT_MAP = (); # pluggable maps
43		82
		83	our $RELOAD; # number of reloads so far
44	our @EVENT;	84	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		85
47	our $TICK = MAX_TIME * 1e-6;	86	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	87	our $DATADIR = datadir;
49	our $AIO_POLL_WATCHER;	88	our $LIBDIR = "$DATADIR/ext";
50	our $WRITE_RUNTIME_WATCHER;	89	our $PODDIR = "$DATADIR/pod";
		90	our $MAPDIR = "$DATADIR/" . mapdir;
		91	our $LOCALDIR = localdir;
		92	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		93	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		94	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		95	our $RANDOMDIR = "$LOCALDIR/random";
		96	our $BDBDIR = "$LOCALDIR/db";
		97	our %RESOURCE;
		98
		99	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		100	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	101	our $NEXT_TICK;
52	our $NOW;
53	our $USE_FSYNC; # use fsync to write maps - default off	102	our $USE_FSYNC = 1; # use fsync to write maps - default off
		103
		104	our $BDB_DEADLOCK_WATCHER;
		105	our $BDB_CHECKPOINT_WATCHER;
		106	our $BDB_TRICKLE_WATCHER;
		107	our $DB_ENV;
54		108
55	our %CFG;	109	our %CFG;
56		110
57	our $UPTIME; $UPTIME ||= time;	111	our $UPTIME; $UPTIME ||= time;
58	our $RUNTIME;	112	our $RUNTIME;
		113	our $NOW;
59		114
60	our %PLAYER; # all users	115	our (%PLAYER, %PLAYER_LOADING); # all users
61	our %MAP; # all maps	116	our (%MAP, %MAP_LOADING ); # all maps
62	our $LINK_MAP; # the special {link} map, which is always available	117	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		118
68	# used to convert map paths into valid unix filenames by replacing / by ∕	119	# used to convert map paths into valid unix filenames by replacing / by ∕
69	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	120	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
70		121
		122	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		123	our $LOADAVG; # same thing, but with alpha-smoothing
		124	our $JITTER; # average jitter
		125	our $TICK_START; # for load detecting purposes
		126
71	binmode STDOUT;	127	binmode STDOUT;
72	binmode STDERR;	128	binmode STDERR;
73		129
74	# read virtual server time, if available	130	# read virtual server time, if available
75	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	131	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
76	open my $fh, "<", cf::localdir . "/runtime"	132	open my $fh, "<", "$LOCALDIR/runtime"
77	or die "unable to read runtime file: $!";	133	or die "unable to read runtime file: $!";
78	$RUNTIME = <$fh> + 0.;	134	$RUNTIME = <$fh> + 0.;
79	}	135	}
80		136
81	mkdir cf::localdir;	137	mkdir $_
82	mkdir cf::localdir . "/" . cf::playerdir;	138	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
83	mkdir cf::localdir . "/" . cf::tmpdir;
84	mkdir cf::localdir . "/" . cf::uniquedir;
85	mkdir $RANDOM_MAPS;
86		139
87	our $EMERGENCY_POSITION;	140	our $EMERGENCY_POSITION;
88		141
89	sub cf::map::normalise;	142	sub cf::map::normalise;
90		143
…		…
101	=item $cf::RUNTIME	154	=item $cf::RUNTIME
102		155
103	The time this server has run, starts at 0 and is increased by $cf::TICK on	156	The time this server has run, starts at 0 and is increased by $cf::TICK on
104	every server tick.	157	every server tick.
105		158
106	=item $cf::LIBDIR	159	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		160	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		161	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
107		162
108	The perl library directory, where extensions and cf-specific modules can	163	Various directories - "/etc", read-only install directory, perl-library
109	be found. It will be added to C<@INC> automatically.	164	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		165	unique-items directory, player file directory, random maps directory and
		166	database environment.
110		167
111	=item $cf::NOW	168	=item $cf::NOW
112		169
113	The time of the last (current) server tick.	170	The time of the last (current) server tick.
114		171
115	=item $cf::TICK	172	=item $cf::TICK
116		173
117	The interval between server ticks, in seconds.	174	The interval between server ticks, in seconds.
118		175
		176	=item $cf::LOADAVG
		177
		178	The current CPU load on the server (alpha-smoothed), as a value between 0
		179	(none) and 1 (overloaded), indicating how much time is spent on processing
		180	objects per tick. Healthy values are < 0.5.
		181
		182	=item $cf::LOAD
		183
		184	The raw value load value from the last tick.
		185
119	=item %cf::CFG	186	=item %cf::CFG
120		187
121	Configuration for the server, loaded from C</etc/crossfire/config>, or	188	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
122	from wherever your confdir points to.	189	from wherever your confdir points to.
123		190
124	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	191	=item cf::wait_for_tick, cf::wait_for_tick_begin
125		192
126	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	193	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	194	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	195	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.	196
		197	=item @cf::INVOKE_RESULTS
		198
		199	This array contains the results of the last C<invoke ()> call. When
		200	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		201	that call.
130		202
131	=back	203	=back
132		204
133	=cut	205	=cut
134		206
135	BEGIN {	207	BEGIN {
136	*CORE::GLOBAL::warn = sub {	208	*CORE::GLOBAL::warn = sub {
137	my $msg = join "", @_;	209	my $msg = join "", @_;
138	utf8::encode $msg;
139		210
140	$msg .= "\n"	211	$msg .= "\n"
141	unless $msg =~ /\n$/;	212	unless $msg =~ /\n$/;
142		213
		214	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		215
143	LOG llevError, $msg;	216	LOG llevError, $msg;
144	};	217	};
145	}	218	}
		219
		220	$Coro::State::DIEHOOK = sub {
		221	return unless $^S eq 0; # "eq", not "=="
		222
		223	if ($Coro::current == $Coro::main) {#d#
		224	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		225	return;#d#
		226	}#d#
		227
		228	# kill coroutine otherwise
		229	warn Carp::longmess $_[0];
		230	Coro::terminate
		231	};
		232
		233	$SIG{__DIE__} = sub { }; #d#?
146		234
147	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	235	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
148	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	236	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
149	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	237	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
150	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	238	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
151	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	239	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		240	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
152	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	241	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
153		242
154	# we bless all objects into (empty) derived classes to force a method lookup	243	# we bless all objects into (empty) derived classes to force a method lookup
155	# within the Safe compartment.	244	# within the Safe compartment.
156	for my $pkg (qw(	245	for my $pkg (qw(
157	cf::global cf::attachable	246	cf::global cf::attachable
158	cf::object cf::object::player	247	cf::object cf::object::player
159	cf::client cf::player	248	cf::client cf::player
160	cf::arch cf::living	249	cf::arch cf::living
		250	cf::map cf::mapspace
161	cf::map cf::party cf::region	251	cf::party cf::region
162	)) {	252	)) {
163	no strict 'refs';
164	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	253	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
165	}	254	}
166		255
167	$Event::DIED = sub {	256	$EV::DIED = sub {
168	warn "error in event callback: @_";	257	warn "error in event callback: @_";
169	};	258	};
		259
		260	#############################################################################
170		261
171	=head2 UTILITY FUNCTIONS	262	=head2 UTILITY FUNCTIONS
172		263
173	=over 4	264	=over 4
174		265
…		…
193	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	284	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
194	$d	285	$d
195	} || "[unable to dump $_[0]: '$@']";	286	} || "[unable to dump $_[0]: '$@']";
196	}	287	}
197		288
198	use JSON::Syck (); # TODO# replace by JSON::PC once working
199
200	=item $ref = cf::from_json $json	289	=item $ref = cf::decode_json $json
201		290
202	Converts a JSON string into the corresponding perl data structure.	291	Converts a JSON string into the corresponding perl data structure.
203		292
204	=cut
205
206	sub from_json($) {
207	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
208	JSON::Syck::Load $_[0]
209	}
210
211	=item $json = cf::to_json $ref	293	=item $json = cf::encode_json $ref
212		294
213	Converts a perl data structure into its JSON representation.	295	Converts a perl data structure into its JSON representation.
214		296
215	=cut	297	=cut
216		298
217	sub to_json($) {	299	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
218	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	300
219	JSON::Syck::Dump $_[0]	301	sub encode_json($) { $json_coder->encode ($_[0]) }
220	}	302	sub decode_json($) { $json_coder->decode ($_[0]) }
221		303
222	=item cf::lock_wait $string	304	=item cf::lock_wait $string
223		305
224	Wait until the given lock is available. See cf::lock_acquire.	306	Wait until the given lock is available. See cf::lock_acquire.
225		307
…		…
228	Wait until the given lock is available and then acquires it and returns	310	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,	311	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	312	for example when the coroutine gets canceled), the lock is automatically
231	returned.	313	returned.
232		314
		315	Locks are *not* recursive, locking from the same coro twice results in a
		316	deadlocked coro.
		317
233	Lock names should begin with a unique identifier (for example, cf::map::find	318	Lock names should begin with a unique identifier (for example, cf::map::find
234	uses map_find and cf::map::load uses map_load).	319	uses map_find and cf::map::load uses map_load).
235		320
		321	=item $locked = cf::lock_active $string
		322
		323	Return true if the lock is currently active, i.e. somebody has locked it.
		324
236	=cut	325	=cut
237		326
238	our %LOCK;	327	our %LOCK;
		328	our %LOCKER;#d#
239		329
240	sub lock_wait($) {	330	sub lock_wait($) {
241	my ($key) = @_;	331	my ($key) = @_;
		332
		333	if ($LOCKER{$key} == $Coro::current) {#d#
		334	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		335	return;#d#
		336	}#d#
242		337
243	# wait for lock, if any	338	# wait for lock, if any
244	while ($LOCK{$key}) {	339	while ($LOCK{$key}) {
245	push @{ $LOCK{$key} }, $Coro::current;	340	push @{ $LOCK{$key} }, $Coro::current;
246	Coro::schedule;	341	Coro::schedule;
…		…
252		347
253	# wait, to be sure we are not locked	348	# wait, to be sure we are not locked
254	lock_wait $key;	349	lock_wait $key;
255		350
256	$LOCK{$key} = [];	351	$LOCK{$key} = [];
		352	$LOCKER{$key} = $Coro::current;#d#
257		353
258	Coro::guard {	354	Coro::guard {
		355	delete $LOCKER{$key};#d#
259	# wake up all waiters, to be on the safe side	356	# wake up all waiters, to be on the safe side
260	$_->ready for @{ delete $LOCK{$key} };	357	$_->ready for @{ delete $LOCK{$key} };
261	}	358	}
262	}	359	}
263		360
		361	sub lock_active($) {
		362	my ($key) = @_;
		363
		364	! ! $LOCK{$key}
		365	}
		366
264	sub freeze_mainloop {	367	sub freeze_mainloop {
265	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
266		369
267	my $guard = Coro::guard {	370	Coro::guard \&tick_inhibit_dec;
268	$TICK_WATCHER->start;	371	}
269	$WRITE_RUNTIME_WATCHER->start;	372
		373	=item cf::periodic $interval, $cb
		374
		375	Like EV::periodic, but randomly selects a starting point so that the actions
		376	get spread over timer.
		377
		378	=cut
		379
		380	sub periodic($$) {
		381	my ($interval, $cb) = @_;
		382
		383	my $start = rand List::Util::min 180, $interval;
		384
		385	EV::periodic $start, $interval, 0, $cb
		386	}
		387
		388	=item cf::get_slot $time[, $priority[, $name]]
		389
		390	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		391	This call blocks and returns only when you have at least C<$time> seconds
		392	of cpu time till the next tick. The slot is only valid till the next cede.
		393
		394	The optional C<$name> can be used to identify the job to run. It might be
		395	used for statistical purposes and should identify the same time-class.
		396
		397	Useful for short background jobs.
		398
		399	=cut
		400
		401	our @SLOT_QUEUE;
		402	our $SLOT_QUEUE;
		403
		404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		405	$SLOT_QUEUE = Coro::async {
		406	$Coro::current->desc ("timeslot manager");
		407
		408	my $signal = new Coro::Signal;
		409
		410	while () {
		411	next_job:
		412	my $avail = cf::till_tick;
		413	if ($avail > 0.01) {
		414	for (0 .. $#SLOT_QUEUE) {
		415	if ($SLOT_QUEUE[$_][0] < $avail) {
		416	my $job = splice @SLOT_QUEUE, $_, 1, ();
		417	$job->[2]->send;
		418	Coro::cede;
		419	goto next_job;
		420	}
		421	}
		422	}
		423
		424	if (@SLOT_QUEUE) {
		425	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		426	push @cf::WAIT_FOR_TICK, $signal;
		427	$signal->wait;
		428	} else {
		429	Coro::schedule;
		430	}
270	};	431	}
271	$WRITE_RUNTIME_WATCHER->stop;	432	};
272	$TICK_WATCHER->stop;	433
273	$guard	434	sub get_slot($;$$) {
		435	return if tick_inhibit || $Coro::current == $Coro::main;
		436
		437	my ($time, $pri, $name) = @_;
		438
		439	$time = $TICK * .6 if $time > $TICK * .6;
		440	my $sig = new Coro::Signal;
		441
		442	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		443	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		444	$SLOT_QUEUE->ready;
		445	$sig->wait;
274	}	446	}
275		447
276	=item cf::async { BLOCK }	448	=item cf::async { BLOCK }
277		449
278	Currently the same as Coro::async_pool, meaning you cannot use	450	Currently the same as Coro::async_pool, meaning you cannot use
…		…
283		455
284	BEGIN { *async = \&Coro::async_pool }	456	BEGIN { *async = \&Coro::async_pool }
285		457
286	=item cf::sync_job { BLOCK }	458	=item cf::sync_job { BLOCK }
287		459
288	The design of crossfire+ requires that the main coro ($Coro::main) is	460	The design of Deliantra requires that the main coroutine ($Coro::main)
289	always able to handle events or runnable, as crossfire+ is only partly	461	is always able to handle events or runnable, as Deliantra is only
290	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	462	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		463	acceptable.
291		464
292	If it must be done, put the blocking parts into C<sync_job>. This will run	465	If it must be done, put the blocking parts into C<sync_job>. This will run
293	the given BLOCK in another coroutine while waiting for the result. The	466	the given BLOCK in another coroutine while waiting for the result. The
294	server will be frozen during this time, so the block should either finish	467	server will be frozen during this time, so the block should either finish
295	fast or be very important.	468	fast or be very important.
…		…
298		471
299	sub sync_job(&) {	472	sub sync_job(&) {
300	my ($job) = @_;	473	my ($job) = @_;
301		474
302	if ($Coro::current == $Coro::main) {	475	if ($Coro::current == $Coro::main) {
		476	my $time = EV::time;
		477
303	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
304	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
305		480
306	# TODO: use suspend/resume instead	481	LOG llevError, Carp::longmess "sync job";#d#
307	# (but this is cancel-safe)	482
308	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
309		484
310	my $busy = 1;	485	my $busy = 1;
311	my @res;	486	my @res;
312		487
313	(async {	488	(async {
		489	$Coro::current->desc ("sync job coro");
314	@res = eval { $job->() };	490	@res = eval { $job->() };
315	warn $@ if $@;	491	warn $@ if $@;
316	undef $busy;	492	undef $busy;
317	})->prio (Coro::PRIO_MAX);	493	})->prio (Coro::PRIO_MAX);
318		494
319	while ($busy) {	495	while ($busy) {
320	Coro::cede or Event::one_event;	496	if (Coro::nready) {
		497	Coro::cede_notself;
		498	} else {
		499	EV::loop EV::LOOP_ONESHOT;
321	}	500	}
		501	}
		502
		503	my $time = EV::time - $time;
		504
		505	$TICK_START += $time; # do not account sync jobs to server load
322		506
323	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
324	} else {	508	} else {
325	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
326		510
…		…
346	$EXT_CORO{$coro+0} = $coro;	530	$EXT_CORO{$coro+0} = $coro;
347		531
348	$coro	532	$coro
349	}	533	}
350		534
351	sub write_runtime {	535	=item fork_call { }, $args
352	my $runtime = cf::localdir . "/runtime";
353		536
354	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	537	Executes the given code block with the given arguments in a seperate
355	or return;	538	process, returning the results. Everything must be serialisable with
		539	Coro::Storable. May, of course, block. Note that the executed sub may
		540	never block itself or use any form of event handling.
356		541
357	my $value = $cf::RUNTIME + 90 + 10;	542	=cut
358	# 10 is the runtime save interval, for a monotonic clock
359	# 60 allows for the watchdog to kill the server.
360		543
361	(aio_write $fh, 0, (length $value), $value, 0) <= 0	544	sub fork_call(&@) {
362	and return;	545	my ($cb, @args) = @_;
363		546
364	# always fsync - this file is important	547	# we seemingly have to make a local copy of the whole thing,
365	aio_fsync $fh	548	# otherwise perl prematurely frees the stuff :/
366	and return;	549	# TODO: investigate and fix (likely this will be rather laborious)
367		550
368	close $fh	551	my @res = Coro::Util::fork_eval {
369	or return;	552	reset_signals;
		553	&$cb
		554	}, @args;
370		555
371	aio_rename "$runtime~", $runtime	556	wantarray ? @res : $res[-1]
372	and return;	557	}
373		558
		559	=item $coin = coin_from_name $name
		560
		561	=cut
		562
		563	our %coin_alias = (
		564	"silver" => "silvercoin",
		565	"silvercoin" => "silvercoin",
		566	"silvercoins" => "silvercoin",
		567	"gold" => "goldcoin",
		568	"goldcoin" => "goldcoin",
		569	"goldcoins" => "goldcoin",
		570	"platinum" => "platinacoin",
		571	"platinumcoin" => "platinacoin",
		572	"platinumcoins" => "platinacoin",
		573	"platina" => "platinacoin",
		574	"platinacoin" => "platinacoin",
		575	"platinacoins" => "platinacoin",
		576	"royalty" => "royalty",
		577	"royalties" => "royalty",
		578	);
		579
		580	sub coin_from_name($) {
		581	$coin_alias{$_[0]}
		582	? cf::arch::find $coin_alias{$_[0]}
		583	: undef
		584	}
		585
		586	=item $value = cf::db_get $family => $key
		587
		588	Returns a single value from the environment database.
		589
		590	=item cf::db_put $family => $key => $value
		591
		592	Stores the given C<$value> in the family. It can currently store binary
		593	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		594
		595	=item $db = cf::db_table "name"
		596
		597	Create and/or open a new database table. The string must not be "db" and must be unique
		598	within each server.
		599
		600	=cut
		601
		602	sub db_table($) {
		603	my ($name) = @_;
		604	my $db = BDB::db_create $DB_ENV;
		605
		606	eval {
		607	$db->set_flags (BDB::CHKSUM);
		608
		609	utf8::encode $name;
		610	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		611	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		612	cf::cleanup "db_open(db): $!" if $!;
		613	};
		614	cf::cleanup "db_open(db): $@" if $@;
		615
		616	$db
		617	}
		618
		619	our $DB;
		620
		621	sub db_init {
		622	cf::sync_job {
		623	$DB ||= db_table "db";
		624	};
		625	}
		626
		627	sub db_get($$) {
		628	my $key = "$_[0]/$_[1]";
		629
		630	cf::sync_job {
		631	BDB::db_get $DB, undef, $key, my $data;
		632
		633	$! ? ()
		634	: $data
374	1	635	}
		636	}
		637
		638	sub db_put($$$) {
		639	BDB::dbreq_pri 4;
		640	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		641	}
		642
		643	=item cf::cache $id => [$paths...], $processversion => $process
		644
		645	Generic caching function that returns the value of the resource $id,
		646	caching and regenerating as required.
		647
		648	This function can block.
		649
		650	=cut
		651
		652	sub cache {
		653	my ($id, $src, $processversion, $process) = @_;
		654
		655	my $meta =
		656	join "\x00",
		657	$processversion,
		658	map {
		659	aio_stat $_
		660	and Carp::croak "$_: $!";
		661
		662	($_, (stat _)[7,9])
		663	} @$src;
		664
		665	my $dbmeta = db_get cache => "$id/meta";
		666	if ($dbmeta ne $meta) {
		667	# changed, we may need to process
		668
		669	my @data;
		670	my $md5;
		671
		672	for (0 .. $#$src) {
		673	0 <= aio_load $src->[$_], $data[$_]
		674	or Carp::croak "$src->[$_]: $!";
		675	}
		676
		677	# if processing is expensive, check
		678	# checksum first
		679	if (1) {
		680	$md5 =
		681	join "\x00",
		682	$processversion,
		683	map {
		684	cf::cede_to_tick;
		685	($src->[$_], Digest::MD5::md5_hex $data[$_])
		686	} 0.. $#$src;
		687
		688
		689	my $dbmd5 = db_get cache => "$id/md5";
		690	if ($dbmd5 eq $md5) {
		691	db_put cache => "$id/meta", $meta;
		692
		693	return db_get cache => "$id/data";
		694	}
		695	}
		696
		697	my $t1 = Time::HiRes::time;
		698	my $data = $process->(\@data);
		699	my $t2 = Time::HiRes::time;
		700
		701	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		702
		703	db_put cache => "$id/data", $data;
		704	db_put cache => "$id/md5" , $md5;
		705	db_put cache => "$id/meta", $meta;
		706
		707	return $data;
		708	}
		709
		710	db_get cache => "$id/data"
		711	}
		712
		713	=item cf::datalog type => key => value, ...
		714
		715	Log a datalog packet of the given type with the given key-value pairs.
		716
		717	=cut
		718
		719	sub datalog($@) {
		720	my ($type, %kv) = @_;
		721	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
375	}	722	}
376		723
377	=back	724	=back
378		725
379	=cut	726	=cut
…		…
386	attach callbacks/event handlers (a collection of which is called an "attachment")	733	attach callbacks/event handlers (a collection of which is called an "attachment")
387	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
388		735
389	In the following description, CLASS can be any of C<global>, C<object>	736	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	737	C<player>, C<client> or C<map> (i.e. the attachable objects in
391	crossfire+).	738	Deliantra).
392		739
393	=over 4	740	=over 4
394		741
395	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
396		743
…		…
559	$registry = $CB_TYPE[$object_type] ||= [];	906	$registry = $CB_TYPE[$object_type] ||= [];
560		907
561	} elsif ($type eq "subtype") {	908	} elsif ($type eq "subtype") {
562	defined $object_type or Carp::croak "subtype specified without type";	909	defined $object_type or Carp::croak "subtype specified without type";
563	my $object_subtype = shift @arg;	910	my $object_subtype = shift @arg;
564	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	911	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
565		912
566	} elsif ($type eq "package") {	913	} elsif ($type eq "package") {
567	my $pkg = shift @arg;	914	my $pkg = shift @arg;
568		915
569	while (my ($name, $id) = each %cb_id) {	916	while (my ($name, $id) = each %cb_id) {
…		…
598	_attach $registry, $klass, @attach;	945	_attach $registry, $klass, @attach;
599	}	946	}
600		947
601	$obj->{$name} = \%arg;	948	$obj->{$name} = \%arg;
602	} else {	949	} else {
603	warn "object uses attachment '$name' that is not available, postponing.\n";	950	warn "object uses attachment '$name' which is not available, postponing.\n";
604	}	951	}
605		952
606	$obj->{_attachment}{$name} = undef;	953	$obj->{_attachment}{$name} = undef;
607	}	954	}
608		955
…		…
610	if (ref $_[0]) {	957	if (ref $_[0]) {
611	_object_attach @_;	958	_object_attach @_;
612	} else {	959	} else {
613	_attach shift->_attach_registry, @_;	960	_attach shift->_attach_registry, @_;
614	}	961	}
		962	_recalc_want;
615	};	963	};
616		964
617	# all those should be optimised	965	# all those should be optimised
618	sub cf::attachable::detach {	966	sub cf::attachable::detach {
619	my ($obj, $name) = @_;	967	my ($obj, $name) = @_;
…		…
622	delete $obj->{_attachment}{$name};	970	delete $obj->{_attachment}{$name};
623	reattach ($obj);	971	reattach ($obj);
624	} else {	972	} else {
625	Carp::croak "cannot, currently, detach class attachments";	973	Carp::croak "cannot, currently, detach class attachments";
626	}	974	}
		975	_recalc_want;
627	};	976	};
628		977
629	sub cf::attachable::attached {	978	sub cf::attachable::attached {
630	my ($obj, $name) = @_;	979	my ($obj, $name) = @_;
631		980
…		…
646	";	995	";
647	die if $@;	996	die if $@;
648	}	997	}
649		998
650	our $override;	999	our $override;
651	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1000	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
652		1001
653	sub override {	1002	sub override {
654	$override = 1;	1003	$override = 1;
655	@invoke_results = ();	1004	@INVOKE_RESULTS = (@_);
656	}	1005	}
657		1006
658	sub do_invoke {	1007	sub do_invoke {
659	my $event = shift;	1008	my $event = shift;
660	my $callbacks = shift;	1009	my $callbacks = shift;
661		1010
662	@invoke_results = ();	1011	@INVOKE_RESULTS = ();
663		1012
664	local $override;	1013	local $override;
665		1014
666	for (@$callbacks) {	1015	for (@$callbacks) {
667	eval { &{$_->[1]} };	1016	eval { &{$_->[1]} };
…		…
676	}	1025	}
677		1026
678	0	1027	0
679	}	1028	}
680		1029
681	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
682		1031
683	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
684		1033
685	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
686		1035
687	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1036	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	1037	removed in future versions), and there is no public API to access override
689	results (if you must, access C<@cf::invoke_results> directly).	1038	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
690		1039
691	=back	1040	=back
692		1041
693	=cut	1042	=cut
694		1043
695	#############################################################################	1044	#############################################################################
696	# object support	1045	# object support
		1046
		1047	sub _object_equal($$);
		1048	sub _object_equal($$) {
		1049	my ($a, $b) = @_;
		1050
		1051	return 0 unless (ref $a) eq (ref $b);
		1052
		1053	if ("HASH" eq ref $a) {
		1054	my @ka = keys %$a;
		1055	my @kb = keys %$b;
		1056
		1057	return 0 if @ka != @kb;
		1058
		1059	for (0 .. $#ka) {
		1060	return 0 unless $ka[$_] eq $kb[$_];
		1061	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1062	}
		1063
		1064	} elsif ("ARRAY" eq ref $a) {
		1065
		1066	return 0 if @$a != @$b;
		1067
		1068	for (0 .. $#$a) {
		1069	return 0 unless _object_equal $a->[$_], $b->[$_];
		1070	}
		1071
		1072	} elsif ($a ne $b) {
		1073	return 0;
		1074	}
		1075
		1076	1
		1077	}
		1078
		1079	our $SLOW_MERGES;#d#
		1080	sub _can_merge {
		1081	my ($ob1, $ob2) = @_;
		1082
		1083	++$SLOW_MERGES;#d#
		1084
		1085	# we do the slow way here
		1086	return _object_equal $ob1, $ob2
		1087	}
697		1088
698	sub reattach {	1089	sub reattach {
699	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
700	my ($obj) = @_;	1091	my ($obj) = @_;
701		1092
		1093	# no longer needed after getting rid of delete_package?
702	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1094	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
703		1095
704	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
705		1097
706	@$registry = ();	1098	@$registry = ();
707		1099
…		…
722	cf::attachable->attach (	1114	cf::attachable->attach (
723	prio => -1000000,	1115	prio => -1000000,
724	on_instantiate => sub {	1116	on_instantiate => sub {
725	my ($obj, $data) = @_;	1117	my ($obj, $data) = @_;
726		1118
727	$data = from_json $data;	1119	$data = decode_json $data;
728		1120
729	for (@$data) {	1121	for (@$data) {
730	my ($name, $args) = @$_;	1122	my ($name, $args) = @$_;
731		1123
732	$obj->attach ($name, %{$args || {} });	1124	$obj->attach ($name, %{$args || {} });
…		…
748	sub object_freezer_save {	1140	sub object_freezer_save {
749	my ($filename, $rdata, $objs) = @_;	1141	my ($filename, $rdata, $objs) = @_;
750		1142
751	sync_job {	1143	sync_job {
752	if (length $$rdata) {	1144	if (length $$rdata) {
		1145	utf8::decode (my $decname = $filename);
753	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
754	$filename, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
755		1148
756	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
757	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
758	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
759	aio_fsync $fh if $cf::USE_FSYNC;	1152	aio_fsync $fh if $cf::USE_FSYNC;
760	close $fh;	1153	aio_close $fh;
761		1154
762	if (@$objs) {	1155	if (@$objs) {
763	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1156	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
764	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
765	my $data = Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
766	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
767	aio_fsync $fh if $cf::USE_FSYNC;	1160	aio_fsync $fh if $cf::USE_FSYNC;
768	close $fh;	1161	aio_close $fh;
769	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
770	}	1163	}
771	} else {	1164	} else {
772	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
773	}	1166	}
…		…
778	}	1171	}
779	} else {	1172	} else {
780	aio_unlink $filename;	1173	aio_unlink $filename;
781	aio_unlink "$filename.pst";	1174	aio_unlink "$filename.pst";
782	}	1175	}
783
784	#d##TODO# nuke non .map-files if exist
785	if ($filename =~ s/\.map$//) {
786	aio_unlink $filename;
787	aio_unlink "$filename.pst";
788	}
789	}	1176	};
790	}	1177	}
791		1178
792	sub object_freezer_as_string {	1179	sub object_freezer_as_string {
793	my ($rdata, $objs) = @_;	1180	my ($rdata, $objs) = @_;
794		1181
…		…
799		1186
800	sub object_thawer_load {	1187	sub object_thawer_load {
801	my ($filename) = @_;	1188	my ($filename) = @_;
802		1189
803	my ($data, $av);	1190	my ($data, $av);
804
805	#d#TODO remove .map if file does not exist
806	aio_stat $filename and $filename =~ s/\.map$//;
807		1191
808	(aio_load $filename, $data) >= 0	1192	(aio_load $filename, $data) >= 0
809	or return;	1193	or return;
810		1194
811	unless (aio_stat "$filename.pst") {	1195	unless (aio_stat "$filename.pst") {
812	(aio_load "$filename.pst", $av) >= 0	1196	(aio_load "$filename.pst", $av) >= 0
813	or return;	1197	or return;
		1198
814	$av = eval { (Storable::thaw $av)->{objs} };	1199	my $st = eval { Coro::Storable::thaw $av };
		1200	$av = $st->{objs};
815	}	1201	}
816		1202
		1203	utf8::decode (my $decname = $filename);
817	warn sprintf "loading %s (%d)\n",	1204	warn sprintf "loading %s (%d,%d)\n",
818	$filename, length $data, scalar @{$av || []};#d#	1205	$decname, length $data, scalar @{$av || []};
		1206
819	return ($data, $av);	1207	($data, $av)
820	}	1208	}
		1209
		1210	=head2 COMMAND CALLBACKS
		1211
		1212	=over 4
		1213
		1214	=cut
821		1215
822	#############################################################################	1216	#############################################################################
823	# command handling &c	1217	# command handling &c
824		1218
825	=item cf::register_command $name => \&callback($ob,$args);	1219	=item cf::register_command $name => \&callback($ob,$args);
…		…
838	push @{ $COMMAND{$name} }, [$caller, $cb];	1232	push @{ $COMMAND{$name} }, [$caller, $cb];
839	}	1233	}
840		1234
841	=item cf::register_extcmd $name => \&callback($pl,$packet);	1235	=item cf::register_extcmd $name => \&callback($pl,$packet);
842		1236
843	Register a callbackf ro execution when the client sends an extcmd packet.	1237	Register a callback for execution when the client sends an (synchronous)
		1238	extcmd packet. Ext commands will be processed in the order they are
		1239	received by the server, like other user commands. The first argument is
		1240	the logged-in player. Ext commands can only be processed after a player
		1241	has logged in successfully.
844		1242
845	If the callback returns something, it is sent back as if reply was being	1243	If the callback returns something, it is sent back as if reply was being
846	called.	1244	called.
847		1245
		1246	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1247
		1248	Register a callback for execution when the client sends an (asynchronous)
		1249	exticmd packet. Exti commands are processed by the server as soon as they
		1250	are received, i.e. out of order w.r.t. other commands. The first argument
		1251	is a client socket. Exti commands can be received anytime, even before
		1252	log-in.
		1253
		1254	If the callback returns something, it is sent back as if reply was being
		1255	called.
		1256
848	=cut	1257	=cut
849		1258
850	sub register_extcmd {	1259	sub register_extcmd {
851	my ($name, $cb) = @_;	1260	my ($name, $cb) = @_;
852		1261
853	$EXTCMD{$name} = $cb;	1262	$EXTCMD{$name} = $cb;
		1263	}
		1264
		1265	sub register_exticmd {
		1266	my ($name, $cb) = @_;
		1267
		1268	$EXTICMD{$name} = $cb;
854	}	1269	}
855		1270
856	cf::player->attach (	1271	cf::player->attach (
857	on_command => sub {	1272	on_command => sub {
858	my ($pl, $name, $params) = @_;	1273	my ($pl, $name, $params) = @_;
…		…
867	cf::override;	1282	cf::override;
868	},	1283	},
869	on_extcmd => sub {	1284	on_extcmd => sub {
870	my ($pl, $buf) = @_;	1285	my ($pl, $buf) = @_;
871		1286
872	my $msg = eval { from_json $buf };	1287	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873		1288
874	if (ref $msg) {	1289	if (ref $msg) {
		1290	my ($type, $reply, @payload) =
		1291	"ARRAY" eq ref $msg
		1292	? @$msg
		1293	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1294
		1295	my @reply;
		1296
875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1297	if (my $cb = $EXTCMD{$type}) {
876	if (my %reply = $cb->($pl, $msg)) {	1298	@reply = $cb->($pl, @payload);
877	$pl->ext_reply ($msg->{msgid}, %reply);
878	}
879	}	1299	}
		1300
		1301	$pl->ext_reply ($reply, @reply)
		1302	if $reply;
		1303
880	} else {	1304	} else {
881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1305	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
882	}	1306	}
883		1307
884	cf::override;	1308	cf::override;
885	},	1309	},
886	);	1310	);
887		1311
888	sub load_extension {
889	my ($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 {	1312	sub load_extensions {
		1313	cf::sync_job {
		1314	my %todo;
		1315
923	for my $ext (<$LIBDIR/*.ext>) {	1316	for my $path (<$LIBDIR/*.ext>) {
924	next unless -r $ext;	1317	next unless -r $path;
925	eval {	1318
926	load_extension $ext;	1319	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1320	my $base = $1;
		1321	my $pkg = $1;
		1322	$pkg =~ s/[^[:word:]]/_/g;
		1323	$pkg = "ext::$pkg";
		1324
		1325	open my $fh, "<:utf8", $path
		1326	or die "$path: $!";
		1327
		1328	my $source = do { local $/; <$fh> };
		1329
		1330	my %ext = (
		1331	path => $path,
		1332	base => $base,
		1333	pkg => $pkg,
		1334	);
		1335
		1336	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1337	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1338
		1339	$ext{source} =
		1340	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1341	. "#line 1 \"$path\"\n{\n"
		1342	. $source
		1343	. "\n};\n1";
		1344
		1345	$todo{$base} = \%ext;
		1346	}
		1347
		1348	my %done;
		1349	while (%todo) {
		1350	my $progress;
		1351
		1352	while (my ($k, $v) = each %todo) {
		1353	for (split /,\s*/, $v->{meta}{depends}) {
		1354	goto skip
		1355	unless exists $done{$_};
		1356	}
		1357
		1358	warn "... loading '$k' into '$v->{pkg}'\n";
		1359
		1360	unless (eval $v->{source}) {
		1361	my $msg = $@ ? "$v->{path}: $@\n"
		1362	: "$v->{base}: extension inactive.\n";
		1363
		1364	if (exists $v->{meta}{mandatory}) {
		1365	warn $msg;
		1366	cf::cleanup "mandatory extension failed to load, exiting.";
		1367	}
		1368
		1369	warn $msg;
		1370	}
		1371
		1372	$done{$k} = delete $todo{$k};
		1373	push @EXTS, $v->{pkg};
		1374	$progress = 1;
927	1	1375	}
928	} or warn "$ext not loaded: $@";	1376
		1377	skip:
		1378	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1379	unless $progress;
		1380	}
929	}	1381	};
930	}	1382	}
931		1383
932	#############################################################################	1384	#############################################################################
933		1385
		1386	=back
		1387
934	=head2 CORE EXTENSIONS	1388	=head2 CORE EXTENSIONS
935		1389
936	Functions and methods that extend core crossfire objects.	1390	Functions and methods that extend core crossfire objects.
937		1391
938	=cut	1392	=cut
…		…
943		1397
944	=head3 cf::player	1398	=head3 cf::player
945		1399
946	=over 4	1400	=over 4
947		1401
		1402	=item cf::player::num_playing
		1403
		1404	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1405
		1406	=cut
		1407
		1408	sub num_playing {
		1409	scalar grep
		1410	$_->ob->map
		1411	&& !$_->hidden
		1412	&& !$_->ob->flag (cf::FLAG_WIZ),
		1413	cf::player::list
		1414	}
		1415
948	=item cf::player::find $login	1416	=item cf::player::find $login
949		1417
950	Returns the given player object, loading it if necessary (might block).	1418	Returns the given player object, loading it if necessary (might block).
951		1419
952	=cut	1420	=cut
953		1421
954	sub playerdir($) {	1422	sub playerdir($) {
955	cf::localdir	1423	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1424	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1425	}
961		1426
962	sub path($) {	1427	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1428	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1429
965	(playerdir $login) . "/$login.pl"	1430	(playerdir $login) . "/playerdata"
966	}	1431	}
967		1432
968	sub find_active($) {	1433	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1434	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1435	and $cf::PLAYER{$_[0]}->active
…		…
983	my $login = $_[0];	1448	my $login = $_[0];
984		1449
985	my $guard = cf::lock_acquire "user_find:$login";	1450	my $guard = cf::lock_acquire "user_find:$login";
986		1451
987	$cf::PLAYER{$_[0]} || do {	1452	$cf::PLAYER{$_[0]} || do {
988	my $pl = load_pl path $login	1453	# rename old playerfiles to new ones
		1454	#TODO: remove when no longer required
		1455	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1456	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1457	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1458	aio_unlink +(playerdir $login) . "/$login.pl";
		1459
		1460	my $f = new_from_file cf::object::thawer path $login
989	or return;	1461	or return;
		1462
		1463	my $pl = cf::player::load_pl $f
		1464	or return;
		1465
		1466	local $cf::PLAYER_LOADING{$login} = $pl;
		1467	$f->resolve_delayed_derefs;
990	$cf::PLAYER{$login} = $pl	1468	$cf::PLAYER{$login} = $pl
991	}	1469	}
992	}	1470	}
993	}	1471	}
994		1472
…		…
1003	return if $pl->{deny_save};	1481	return if $pl->{deny_save};
1004		1482
1005	aio_mkdir playerdir $pl, 0770;	1483	aio_mkdir playerdir $pl, 0770;
1006	$pl->{last_save} = $cf::RUNTIME;	1484	$pl->{last_save} = $cf::RUNTIME;
1007		1485
		1486	cf::get_slot 0.01;
		1487
1008	$pl->save_pl ($path);	1488	$pl->save_pl ($path);
1009	Coro::cede;	1489	cf::cede_to_tick;
1010	}	1490	}
1011		1491
1012	sub new($) {	1492	sub new($) {
1013	my ($login) = @_;	1493	my ($login) = @_;
1014		1494
…		…
1020	$cf::PLAYER{$login} = $self;	1500	$cf::PLAYER{$login} = $self;
1021		1501
1022	$self	1502	$self
1023	}	1503	}
1024		1504
		1505	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1506
		1507	=cut
		1508
		1509	sub send_msg {
		1510	my $ns = shift->ns
		1511	or return;
		1512	$ns->send_msg (@_);
		1513	}
		1514
1025	=item $pl->quit_character	1515	=item $pl->quit_character
1026		1516
1027	Nukes the player without looking back. If logged in, the connection will	1517	Nukes the player without looking back. If logged in, the connection will
1028	be destroyed. May block for a long time.	1518	be destroyed. May block for a long time.
1029		1519
1030	=cut	1520	=cut
1031		1521
1032	sub quit_character {	1522	sub quit_character {
1033	my ($pl) = @_;	1523	my ($pl) = @_;
1034		1524
		1525	my $name = $pl->ob->name;
		1526
1035	$pl->{deny_save} = 1;	1527	$pl->{deny_save} = 1;
1036	$pl->password ("*"); # this should lock out the player until we nuked the dir	1528	$pl->password ("*"); # this should lock out the player until we nuked the dir
1037		1529
1038	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1530	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1039	$pl->deactivate;	1531	$pl->deactivate;
		1532	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1533	$pl->ob->check_score;
1040	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1534	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1041	$pl->ns->destroy if $pl->ns;	1535	$pl->ns->destroy if $pl->ns;
1042		1536
1043	my $path = playerdir $pl;	1537	my $path = playerdir $pl;
1044	my $temp = "$path~$cf::RUNTIME~deleting~";	1538	my $temp = "$path~$cf::RUNTIME~deleting~";
1045	aio_rename $path, $temp;	1539	aio_rename $path, $temp;
1046	delete $cf::PLAYER{$pl->ob->name};	1540	delete $cf::PLAYER{$pl->ob->name};
1047	$pl->destroy;	1541	$pl->destroy;
		1542
		1543	my $prefix = qr<^~\Q$name\E/>;
		1544
		1545	# nuke player maps
		1546	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1547
1048	IO::AIO::aio_rmtree $temp;	1548	IO::AIO::aio_rmtree $temp;
		1549	}
		1550
		1551	=item $pl->kick
		1552
		1553	Kicks a player out of the game. This destroys the connection.
		1554
		1555	=cut
		1556
		1557	sub kick {
		1558	my ($pl, $kicker) = @_;
		1559
		1560	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1561	$pl->killer ("kicked");
		1562	$pl->ns->destroy;
1049	}	1563	}
1050		1564
1051	=item cf::player::list_logins	1565	=item cf::player::list_logins
1052		1566
1053	Returns am arrayref of all valid playernames in the system, can take a	1567	Returns am arrayref of all valid playernames in the system, can take a
1054	while and may block, so not sync_job-capable, ever.	1568	while and may block, so not sync_job-capable, ever.
1055		1569
1056	=cut	1570	=cut
1057		1571
1058	sub list_logins {	1572	sub list_logins {
1059	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1573	my $dirs = aio_readdir $PLAYERDIR
1060	or return [];	1574	or return [];
1061		1575
1062	my @logins;	1576	my @logins;
1063		1577
1064	for my $login (@$dirs) {	1578	for my $login (@$dirs) {
		1579	my $path = path $login;
		1580
		1581	# a .pst is a dead give-away for a valid player
		1582	# if no pst file found, open and chekc for blocked users
		1583	if (aio_stat "$path.pst") {
1065	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1584	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1066	aio_read $fh, 0, 512, my $buf, 0 or next;	1585	aio_read $fh, 0, 512, my $buf, 0 or next;
1067	$buf !~ /^password -------------$/m or next; # official not-valid tag	1586	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1587	}
1068		1588
1069	utf8::decode $login;	1589	utf8::decode $login;
1070	push @logins, $login;	1590	push @logins, $login;
1071	}	1591	}
1072		1592
…		…
1099	}	1619	}
1100		1620
1101	\@paths	1621	\@paths
1102	}	1622	}
1103		1623
		1624	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1625
		1626	Expand crossfire pod fragments into protocol xml.
		1627
		1628	=cut
		1629
		1630	use re 'eval';
		1631
		1632	my $group;
		1633	my $interior; $interior = qr{
		1634	# match a pod interior sequence sans C<< >>
		1635	(?:
		1636	\ (.*?)\ (?{ $group = $^N })
		1637	| < (??{$interior}) >
		1638	)
		1639	}x;
		1640
		1641	sub expand_cfpod {
		1642	my ($self, $pod) = @_;
		1643
		1644	my $xml;
		1645
		1646	while () {
		1647	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1648	$group = $1;
		1649
		1650	$group =~ s/&/&amp;/g;
		1651	$group =~ s/</&lt;/g;
		1652
		1653	$xml .= $group;
		1654	} elsif ($pod =~ m%\G
		1655	([BCGHITU])
		1656	<
		1657	(?:
		1658	([^<>]*) (?{ $group = $^N })
		1659	| < $interior >
		1660	)
		1661	>
		1662	%gcsx
		1663	) {
		1664	my ($code, $data) = ($1, $group);
		1665
		1666	if ($code eq "B") {
		1667	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1668	} elsif ($code eq "I") {
		1669	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1670	} elsif ($code eq "U") {
		1671	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1672	} elsif ($code eq "C") {
		1673	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1674	} elsif ($code eq "T") {
		1675	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1676	} elsif ($code eq "G") {
		1677	my ($male, $female) = split /\|/, $data;
		1678	$data = $self->gender ? $female : $male;
		1679	$xml .= expand_cfpod ($self, $data);
		1680	} elsif ($code eq "H") {
		1681	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1682	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1683	"")
		1684	[$self->{hintmode}];
		1685	} else {
		1686	$xml .= "error processing '$code($data)' directive";
		1687	}
		1688	} else {
		1689	if ($pod =~ /\G(.+)/) {
		1690	warn "parse error while expanding $pod (at $1)";
		1691	}
		1692	last;
		1693	}
		1694	}
		1695
		1696	for ($xml) {
		1697	# create single paragraphs (very hackish)
		1698	s/(?<=\S)\n(?=\w)/ /g;
		1699
		1700	# compress some whitespace
		1701	s/\s+\n/\n/g; # ws line-ends
		1702	s/\n\n+/\n/g; # double lines
		1703	s/^\n+//; # beginning lines
		1704	s/\n+$//; # ending lines
		1705	}
		1706
		1707	$xml
		1708	}
		1709
		1710	no re 'eval';
		1711
		1712	sub hintmode {
		1713	$_[0]{hintmode} = $_[1] if @_ > 1;
		1714	$_[0]{hintmode}
		1715	}
		1716
1104	=item $player->ext_reply ($msgid, $msgtype, %msg)	1717	=item $player->ext_reply ($msgid, @msg)
1105		1718
1106	Sends an ext reply to the player.	1719	Sends an ext reply to the player.
1107		1720
1108	=cut	1721	=cut
1109		1722
1110	sub ext_reply($$$%) {	1723	sub ext_reply($$@) {
1111	my ($self, $id, %msg) = @_;	1724	my ($self, $id, @msg) = @_;
1112		1725
1113	$msg{msgid} = $id;	1726	$self->ns->ext_reply ($id, @msg)
1114
1115	$self->send ("ext " . cf::to_json \%msg);
1116	}	1727	}
1117		1728
1118	package cf;	1729	=item $player->ext_msg ($type, @msg)
		1730
		1731	Sends an ext event to the client.
		1732
		1733	=cut
		1734
		1735	sub ext_msg($$@) {
		1736	my ($self, $type, @msg) = @_;
		1737
		1738	$self->ns->ext_msg ($type, @msg);
		1739	}
		1740
		1741	=head3 cf::region
		1742
		1743	=over 4
		1744
		1745	=cut
		1746
		1747	package cf::region;
		1748
		1749	=item cf::region::find_by_path $path
		1750
		1751	Tries to decuce the likely region for a map knowing only its path.
		1752
		1753	=cut
		1754
		1755	sub find_by_path($) {
		1756	my ($path) = @_;
		1757
		1758	my ($match, $specificity);
		1759
		1760	for my $region (list) {
		1761	if ($region->{match} && $path =~ $region->{match}) {
		1762	($match, $specificity) = ($region, $region->specificity)
		1763	if $region->specificity > $specificity;
		1764	}
		1765	}
		1766
		1767	$match
		1768	}
1119		1769
1120	=back	1770	=back
1121
1122		1771
1123	=head3 cf::map	1772	=head3 cf::map
1124		1773
1125	=over 4	1774	=over 4
1126		1775
…		…
1138	our $MAX_RESET = 3600;	1787	our $MAX_RESET = 3600;
1139	our $DEFAULT_RESET = 3000;	1788	our $DEFAULT_RESET = 3000;
1140		1789
1141	sub generate_random_map {	1790	sub generate_random_map {
1142	my ($self, $rmp) = @_;	1791	my ($self, $rmp) = @_;
		1792
		1793	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1794
1143	# mit "rum" bekleckern, nicht	1795	# mit "rum" bekleckern, nicht
1144	$self->_create_random_map (	1796	$self->_create_random_map (
1145	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1797	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1146	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1798	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1147	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1799	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1181	my ($self, $merge) = @_;	1833	my ($self, $merge) = @_;
1182		1834
1183	# we have to keep some variables in memory intact	1835	# we have to keep some variables in memory intact
1184	local $self->{path};	1836	local $self->{path};
1185	local $self->{load_path};	1837	local $self->{load_path};
1186	local $self->{deny_save};
1187	local $self->{deny_reset};
1188		1838
1189	$self->SUPER::thawer_merge ($merge);	1839	$self->SUPER::thawer_merge ($merge);
1190	}	1840	}
1191		1841
1192	sub normalise {	1842	sub normalise {
…		…
1239	$self->init; # pass $1 etc.	1889	$self->init; # pass $1 etc.
1240	return $self;	1890	return $self;
1241	}	1891	}
1242	}	1892	}
1243		1893
1244	Carp::carp "unable to resolve path '$path' (base '$base').";	1894	Carp::cluck "unable to resolve path '$path' (base '$base').";
1245	()	1895	()
1246	}	1896	}
1247		1897
1248	sub init {	1898	sub init {
1249	my ($self) = @_;	1899	my ($self) = @_;
…		…
1264		1914
1265	# the original (read-only) location	1915	# the original (read-only) location
1266	sub load_path {	1916	sub load_path {
1267	my ($self) = @_;	1917	my ($self) = @_;
1268		1918
1269	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1919	"$MAPDIR/$self->{path}.map"
1270	}	1920	}
1271		1921
1272	# the temporary/swap location	1922	# the temporary/swap location
1273	sub save_path {	1923	sub save_path {
1274	my ($self) = @_;	1924	my ($self) = @_;
1275		1925
1276	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1926	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1277	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1927	"$TMPDIR/$path.map"
1278	}	1928	}
1279		1929
1280	# the unique path, undef == no special unique path	1930	# the unique path, undef == no special unique path
1281	sub uniq_path {	1931	sub uniq_path {
1282	my ($self) = @_;	1932	my ($self) = @_;
1283		1933
1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1934	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1285	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1935	"$UNIQUEDIR/$path"
1286	}	1936	}
1287		1937
1288	# and all this just because we cannot iterate over	1938	# and all this just because we cannot iterate over
1289	# all maps in C++...	1939	# all maps in C++...
1290	sub change_all_map_light {	1940	sub change_all_map_light {
…		…
1292		1942
1293	$_->change_map_light ($change)	1943	$_->change_map_light ($change)
1294	for grep $_->outdoor, values %cf::MAP;	1944	for grep $_->outdoor, values %cf::MAP;
1295	}	1945	}
1296		1946
		1947	sub decay_objects {
		1948	my ($self) = @_;
		1949
		1950	return if $self->{deny_reset};
		1951
		1952	$self->do_decay_objects;
		1953	}
		1954
1297	sub unlink_save {	1955	sub unlink_save {
1298	my ($self) = @_;	1956	my ($self) = @_;
1299		1957
1300	utf8::encode (my $save = $self->save_path);	1958	utf8::encode (my $save = $self->save_path);
1301	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1959	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1960	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	}	1961	}
1309		1962
1310	sub load_header_from($) {	1963	sub load_header_from($) {
1311	my ($self, $path) = @_;	1964	my ($self, $path) = @_;
1312		1965
1313	utf8::encode $path;	1966	utf8::encode $path;
1314	#aio_open $path, O_RDONLY, 0	1967	my $f = new_from_file cf::object::thawer $path
1315	# or return;
1316
1317	$self->_load_header ($path)
1318	or return;	1968	or return;
		1969
		1970	$self->_load_header ($f)
		1971	or return;
		1972
		1973	local $MAP_LOADING{$self->{path}} = $self;
		1974	$f->resolve_delayed_derefs;
1319		1975
1320	$self->{load_path} = $path;	1976	$self->{load_path} = $path;
1321		1977
1322	1	1978	1
1323	}	1979	}
…		…
1362	$self->load_header_orig	2018	$self->load_header_orig
1363	or return;	2019	or return;
1364	$self->prepare_orig;	2020	$self->prepare_orig;
1365	}	2021	}
1366		2022
		2023	$self->{deny_reset} = 1
		2024	if $self->no_reset;
		2025
		2026	$self->default_region (cf::region::find_by_path $self->{path})
		2027	unless $self->default_region;
		2028
1367	1	2029	1
1368	}	2030	}
1369		2031
1370	sub find;	2032	sub find;
1371	sub find {	2033	sub find {
1372	my ($path, $origin) = @_;	2034	my ($path, $origin) = @_;
1373		2035
1374	$path = normalise $path, $origin && $origin->path;	2036	$path = normalise $path, $origin && $origin->path;
1375		2037
		2038	cf::lock_wait "map_data:$path";#d#remove
1376	cf::lock_wait "map_find:$path";	2039	cf::lock_wait "map_find:$path";
1377		2040
1378	$cf::MAP{$path} || do {	2041	$cf::MAP{$path} || do {
		2042	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1379	my $guard = cf::lock_acquire "map_find:$path";	2043	my $guard2 = cf::lock_acquire "map_find:$path";
		2044
1380	my $map = new_from_path cf::map $path	2045	my $map = new_from_path cf::map $path
1381	or return;	2046	or return;
1382		2047
1383	$map->{last_save} = $cf::RUNTIME;	2048	$map->{last_save} = $cf::RUNTIME;
1384		2049
1385	$map->load_header	2050	$map->load_header
1386	or return;	2051	or return;
1387		2052
1388	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2053	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1389	# doing this can freeze the server in a sync job, obviously	2054	# doing this can freeze the server in a sync job, obviously
1390	#$cf::WAIT_FOR_TICK->wait;	2055	#$cf::WAIT_FOR_TICK->wait;
		2056	undef $guard2;
		2057	undef $guard1;
1391	$map->reset;	2058	$map->reset;
1392	undef $guard;
1393	return find $path;	2059	return find $path;
1394	}	2060	}
1395		2061
1396	$cf::MAP{$path} = $map	2062	$cf::MAP{$path} = $map
1397	}	2063	}
…		…
1404	my ($self) = @_;	2070	my ($self) = @_;
1405		2071
1406	local $self->{deny_reset} = 1; # loading can take a long time	2072	local $self->{deny_reset} = 1; # loading can take a long time
1407		2073
1408	my $path = $self->{path};	2074	my $path = $self->{path};
		2075
		2076	{
1409	my $guard = cf::lock_acquire "map_load:$path";	2077	my $guard = cf::lock_acquire "map_data:$path";
1410		2078
		2079	return unless $self->valid;
1411	return if $self->in_memory != cf::MAP_SWAPPED;	2080	return unless $self->in_memory == cf::MAP_SWAPPED;
1412		2081
1413	$self->in_memory (cf::MAP_LOADING);	2082	$self->in_memory (cf::MAP_LOADING);
1414		2083
1415	$self->alloc;	2084	$self->alloc;
1416		2085
1417	$self->pre_load;	2086	$self->pre_load;
		2087	cf::cede_to_tick;
1418		2088
1419	$self->_load_objects ($self->{load_path}, 1)	2089	my $f = new_from_file cf::object::thawer $self->{load_path};
		2090	$f->skip_block;
		2091	$self->_load_objects ($f)
1420	or return;	2092	or return;
1421		2093
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2094	$self->post_load_original
1423	if delete $self->{load_original};	2095	if delete $self->{load_original};
1424		2096
1425	if (my $uniq = $self->uniq_path) {	2097	if (my $uniq = $self->uniq_path) {
1426	utf8::encode $uniq;	2098	utf8::encode $uniq;
1427	if (aio_open $uniq, O_RDONLY, 0) {	2099	unless (aio_stat $uniq) {
		2100	if (my $f = new_from_file cf::object::thawer $uniq) {
1428	$self->clear_unique_items;	2101	$self->clear_unique_items;
1429	$self->_load_objects ($uniq, 0);	2102	$self->_load_objects ($f);
		2103	$f->resolve_delayed_derefs;
		2104	}
1430	}	2105	}
1431	}	2106	}
1432		2107
1433	Coro::cede;	2108	$f->resolve_delayed_derefs;
1434		2109
		2110	cf::cede_to_tick;
1435	# now do the right thing for maps	2111	# now do the right thing for maps
1436	$self->link_multipart_objects;	2112	$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)	2113	$self->difficulty ($self->estimate_difficulty)
1445	unless $self->difficulty;	2114	unless $self->difficulty;
1446	Coro::cede;	2115	cf::cede_to_tick;
		2116
		2117	unless ($self->{deny_activate}) {
		2118	$self->decay_objects;
		2119	$self->fix_auto_apply;
		2120	$self->update_buttons;
		2121	cf::cede_to_tick;
		2122	$self->set_darkness_map;
		2123	cf::cede_to_tick;
1447	$self->activate;	2124	$self->activate;
		2125	}
		2126
		2127	$self->{last_save} = $cf::RUNTIME;
		2128	$self->last_access ($cf::RUNTIME);
		2129
		2130	$self->in_memory (cf::MAP_ACTIVE);
1448	}	2131	}
1449		2132
1450	$self->post_load;	2133	$self->post_load;
1451
1452	$self->in_memory (cf::MAP_IN_MEMORY);
1453	}	2134	}
1454		2135
1455	sub customise_for {	2136	sub customise_for {
1456	my ($self, $ob) = @_;	2137	my ($self, $ob) = @_;
1457		2138
1458	return find "~" . $ob->name . "/" . $self->{path}	2139	return find "~" . $ob->name . "/" . $self->{path}
1459	if $self->per_player;	2140	if $self->per_player;
1460		2141
		2142	# return find "?party/" . $ob->name . "/" . $self->{path}
		2143	# if $self->per_party;
		2144
1461	$self	2145	$self
1462	}	2146	}
1463		2147
1464	# find and load all maps in the 3x3 area around a map	2148	# find and load all maps in the 3x3 area around a map
1465	sub load_diag {	2149	sub load_neighbours {
1466	my ($map) = @_;	2150	my ($map) = @_;
1467		2151
1468	my @diag; # diagonal neighbours	2152	my @neigh; # diagonal neighbours
1469		2153
1470	for (0 .. 3) {	2154	for (0 .. 3) {
1471	my $neigh = $map->tile_path ($_)	2155	my $neigh = $map->tile_path ($_)
1472	or next;	2156	or next;
1473	$neigh = find $neigh, $map	2157	$neigh = find $neigh, $map
1474	or next;	2158	or next;
1475	$neigh->load;	2159	$neigh->load;
1476		2160
		2161	push @neigh,
1477	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2162	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1478	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2163	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1479	}	2164	}
1480		2165
1481	for (@diag) {	2166	for (grep defined $_->[0], @neigh) {
		2167	my ($path, $origin) = @$_;
1482	my $neigh = find @$_	2168	my $neigh = find $path, $origin
1483	or next;	2169	or next;
1484	$neigh->load;	2170	$neigh->load;
1485	}	2171	}
1486	}	2172	}
1487		2173
…		…
1492	}	2178	}
1493		2179
1494	sub do_load_sync {	2180	sub do_load_sync {
1495	my ($map) = @_;	2181	my ($map) = @_;
1496		2182
		2183	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2184	if $Coro::current == $Coro::main;
		2185
1497	cf::sync_job { $map->load };	2186	cf::sync_job { $map->load };
1498	}	2187	}
1499		2188
1500	our %MAP_PREFETCH;	2189	our %MAP_PREFETCH;
1501	our $MAP_PREFETCHER = undef;	2190	our $MAP_PREFETCHER = undef;
1502		2191
1503	sub find_async {	2192	sub find_async {
1504	my ($path, $origin) = @_;	2193	my ($path, $origin, $load) = @_;
1505		2194
1506	$path = normalise $path, $origin && $origin->{path};	2195	$path = normalise $path, $origin && $origin->{path};
1507		2196
1508	if (my $map = $cf::MAP{$path}) {	2197	if (my $map = $cf::MAP{$path}) {
1509	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2198	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1510	}	2199	}
1511		2200
1512	undef $MAP_PREFETCH{$path};	2201	$MAP_PREFETCH{$path} |= $load;
		2202
1513	$MAP_PREFETCHER ||= cf::async {	2203	$MAP_PREFETCHER ||= cf::async {
		2204	$Coro::current->{desc} = "map prefetcher";
		2205
1514	while (%MAP_PREFETCH) {	2206	while (%MAP_PREFETCH) {
1515	for my $path (keys %MAP_PREFETCH) {	2207	while (my ($k, $v) = each %MAP_PREFETCH) {
1516	my $map = find $path	2208	if (my $map = find $k) {
1517	or next;
1518	$map->load;	2209	$map->load if $v;
		2210	}
1519		2211
1520	delete $MAP_PREFETCH{$path};	2212	delete $MAP_PREFETCH{$k};
1521	}	2213	}
1522	}	2214	}
1523	undef $MAP_PREFETCHER;	2215	undef $MAP_PREFETCHER;
1524	};	2216	};
1525	$MAP_PREFETCHER->prio (6);	2217	$MAP_PREFETCHER->prio (6);
…		…
1528	}	2220	}
1529		2221
1530	sub save {	2222	sub save {
1531	my ($self) = @_;	2223	my ($self) = @_;
1532		2224
1533	my $lock = cf::lock_acquire "map_data:" . $self->path;	2225	my $lock = cf::lock_acquire "map_data:$self->{path}";
1534		2226
1535	$self->{last_save} = $cf::RUNTIME;	2227	$self->{last_save} = $cf::RUNTIME;
1536		2228
1537	return unless $self->dirty;	2229	return unless $self->dirty;
1538		2230
…		…
1544	return if $self->{deny_save};	2236	return if $self->{deny_save};
1545		2237
1546	local $self->{last_access} = $self->last_access;#d#	2238	local $self->{last_access} = $self->last_access;#d#
1547		2239
1548	cf::async {	2240	cf::async {
		2241	$Coro::current->{desc} = "map player save";
1549	$_->contr->save for $self->players;	2242	$_->contr->save for $self->players;
1550	};	2243	};
		2244
		2245	cf::get_slot 0.02;
1551		2246
1552	if ($uniq) {	2247	if ($uniq) {
1553	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2248	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1554	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2249	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1555	} else {	2250	} else {
…		…
1561	my ($self) = @_;	2256	my ($self) = @_;
1562		2257
1563	# save first because save cedes	2258	# save first because save cedes
1564	$self->save;	2259	$self->save;
1565		2260
1566	my $lock = cf::lock_acquire "map_data:" . $self->path;	2261	my $lock = cf::lock_acquire "map_data:$self->{path}";
1567		2262
1568	return if $self->players;	2263	return if $self->players;
1569	return if $self->in_memory != cf::MAP_IN_MEMORY;	2264	return if $self->in_memory != cf::MAP_ACTIVE;
1570	return if $self->{deny_save};	2265	return if $self->{deny_save};
1571		2266
		2267	$self->in_memory (cf::MAP_SWAPPED);
		2268
		2269	$self->deactivate;
		2270	$_->clear_links_to ($self) for values %cf::MAP;
1572	$self->clear;	2271	$self->clear;
1573	$self->in_memory (cf::MAP_SWAPPED);
1574	}	2272	}
1575		2273
1576	sub reset_at {	2274	sub reset_at {
1577	my ($self) = @_;	2275	my ($self) = @_;
1578		2276
1579	# TODO: safety, remove and allow resettable per-player maps	2277	# 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};	2278	return 1e99 if $self->{deny_reset};
1582		2279
1583	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2280	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1584	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2281	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1585		2282
…		…
1596	my ($self) = @_;	2293	my ($self) = @_;
1597		2294
1598	my $lock = cf::lock_acquire "map_data:$self->{path}";	2295	my $lock = cf::lock_acquire "map_data:$self->{path}";
1599		2296
1600	return if $self->players;	2297	return if $self->players;
1601	return if $self->isa ("ext::map_per_player");#d#
1602		2298
1603	warn "resetting map ", $self->path;#d#	2299	warn "resetting map ", $self->path;
		2300
		2301	$self->in_memory (cf::MAP_SWAPPED);
		2302
		2303	# need to save uniques path
		2304	unless ($self->{deny_save}) {
		2305	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2306
		2307	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2308	if $uniq;
		2309	}
1604		2310
1605	delete $cf::MAP{$self->path};	2311	delete $cf::MAP{$self->path};
1606		2312
1607	$self->in_memory (cf::MAP_SWAPPED);	2313	$self->deactivate;
		2314	$_->clear_links_to ($self) for values %cf::MAP;
1608	$self->clear;	2315	$self->clear;
1609
1610	$_->clear_links_to ($self) for values %cf::MAP;
1611		2316
1612	$self->unlink_save;	2317	$self->unlink_save;
1613	$self->destroy;	2318	$self->destroy;
1614	}	2319	}
1615		2320
1616	my $nuke_counter = "aaaa";	2321	my $nuke_counter = "aaaa";
1617		2322
1618	sub nuke {	2323	sub nuke {
1619	my ($self) = @_;	2324	my ($self) = @_;
1620		2325
		2326	{
		2327	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2328
1621	delete $cf::MAP{$self->path};	2329	delete $cf::MAP{$self->path};
1622		2330
1623	$self->unlink_save;	2331	$self->unlink_save;
1624		2332
1625	bless $self, "cf::map";	2333	bless $self, "cf::map";
1626	delete $self->{deny_reset};	2334	delete $self->{deny_reset};
1627	$self->{deny_save} = 1;	2335	$self->{deny_save} = 1;
1628	$self->reset_timeout (1);	2336	$self->reset_timeout (1);
1629	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2337	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1630		2338
1631	$cf::MAP{$self->path} = $self;	2339	$cf::MAP{$self->path} = $self;
		2340	}
1632		2341
1633	$self->reset; # polite request, might not happen	2342	$self->reset; # polite request, might not happen
		2343	}
		2344
		2345	=item $maps = cf::map::tmp_maps
		2346
		2347	Returns an arrayref with all map paths of currently instantiated and saved
		2348	maps. May block.
		2349
		2350	=cut
		2351
		2352	sub tmp_maps() {
		2353	[
		2354	map {
		2355	utf8::decode $_;
		2356	/\.map$/
		2357	? normalise $_
		2358	: ()
		2359	} @{ aio_readdir $TMPDIR or [] }
		2360	]
		2361	}
		2362
		2363	=item $maps = cf::map::random_maps
		2364
		2365	Returns an arrayref with all map paths of currently instantiated and saved
		2366	random maps. May block.
		2367
		2368	=cut
		2369
		2370	sub random_maps() {
		2371	[
		2372	map {
		2373	utf8::decode $_;
		2374	/\.map$/
		2375	? normalise "?random/$_"
		2376	: ()
		2377	} @{ aio_readdir $RANDOMDIR or [] }
		2378	]
1634	}	2379	}
1635		2380
1636	=item cf::map::unique_maps	2381	=item cf::map::unique_maps
1637		2382
1638	Returns an arrayref of paths of all shared maps that have	2383	Returns an arrayref of paths of all shared maps that have
1639	instantiated unique items. May block.	2384	instantiated unique items. May block.
1640		2385
1641	=cut	2386	=cut
1642		2387
1643	sub unique_maps() {	2388	sub unique_maps() {
1644	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2389	[
1645	or return;	2390	map {
1646
1647	my @paths;
1648
1649	for (@$files) {
1650	utf8::decode $_;	2391	utf8::decode $_;
1651	next if /\.pst$/;	2392	s/\.map$//; # TODO future compatibility hack
1652	next unless /^$PATH_SEP/o;	2393	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1653		2394	? ()
1654	push @paths, cf::map::normalise $_;	2395	: normalise $_
		2396	} @{ aio_readdir $UNIQUEDIR or [] }
1655	}	2397	]
1656
1657	\@paths
1658	}	2398	}
1659
1660	package cf;
1661		2399
1662	=back	2400	=back
1663		2401
1664	=head3 cf::object	2402	=head3 cf::object
1665		2403
…		…
1669		2407
1670	=over 4	2408	=over 4
1671		2409
1672	=item $ob->inv_recursive	2410	=item $ob->inv_recursive
1673		2411
1674	Returns the inventory of the object _and_ their inventories, recursively.	2412	Returns the inventory of the object I<and> their inventories, recursively,
		2413	but I<not> the object itself.
1675		2414
1676	=cut	2415	=cut
1677		2416
1678	sub inv_recursive_;	2417	sub inv_recursive_;
1679	sub inv_recursive_ {	2418	sub inv_recursive_ {
…		…
1682		2421
1683	sub inv_recursive {	2422	sub inv_recursive {
1684	inv_recursive_ inv $_[0]	2423	inv_recursive_ inv $_[0]
1685	}	2424	}
1686		2425
		2426	=item $ref = $ob->ref
		2427
		2428	Creates and returns a persistent reference to an object that can be stored as a string.
		2429
		2430	=item $ob = cf::object::deref ($refstring)
		2431
		2432	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2433	even if the object actually exists. May block.
		2434
		2435	=cut
		2436
		2437	sub deref {
		2438	my ($ref) = @_;
		2439
		2440	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2441	my ($uuid, $name) = ($1, $2);
		2442	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2443	or return;
		2444	$pl->ob->uuid eq $uuid
		2445	or return;
		2446
		2447	$pl->ob
		2448	} else {
		2449	warn "$ref: cannot resolve object reference\n";
		2450	undef
		2451	}
		2452	}
		2453
1687	package cf;	2454	package cf;
1688		2455
1689	=back	2456	=back
1690		2457
1691	=head3 cf::object::player	2458	=head3 cf::object::player
…		…
1697	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2464	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	2465	can be C<undef>. Does the right thing when the player is currently in a
1699	dialogue with the given NPC character.	2466	dialogue with the given NPC character.
1700		2467
1701	=cut	2468	=cut
		2469
		2470	our $SAY_CHANNEL = {
		2471	id => "say",
		2472	title => "Map",
		2473	reply => "say ",
		2474	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2475	};
		2476
		2477	our $CHAT_CHANNEL = {
		2478	id => "chat",
		2479	title => "Chat",
		2480	reply => "chat ",
		2481	tooltip => "Player chat and shouts, global to the server.",
		2482	};
1702		2483
1703	# rough implementation of a future "reply" method that works	2484	# rough implementation of a future "reply" method that works
1704	# with dialog boxes.	2485	# with dialog boxes.
1705	#TODO: the first argument must go, split into a $npc->reply_to ( method	2486	#TODO: the first argument must go, split into a $npc->reply_to ( method
1706	sub cf::object::player::reply($$$;$) {	2487	sub cf::object::player::reply($$$;$) {
…		…
1708		2489
1709	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2490	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1710		2491
1711	if ($self->{record_replies}) {	2492	if ($self->{record_replies}) {
1712	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2493	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2494
1713	} else {	2495	} else {
		2496	my $pl = $self->contr;
		2497
		2498	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2499	my $dialog = $pl->{npc_dialog};
		2500	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2501
		2502	} else {
1714	$msg = $npc->name . " says: $msg" if $npc;	2503	$msg = $npc->name . " says: $msg" if $npc;
1715	$self->message ($msg, $flags);	2504	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2505	}
1716	}	2506	}
		2507	}
		2508
		2509	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2510
		2511	=cut
		2512
		2513	sub cf::object::send_msg {
		2514	my $pl = shift->contr
		2515	or return;
		2516	$pl->send_msg (@_);
1717	}	2517	}
1718		2518
1719	=item $player_object->may ("access")	2519	=item $player_object->may ("access")
1720		2520
1721	Returns wether the given player is authorized to access resource "access"	2521	Returns wether the given player is authorized to access resource "access"
…		…
1768	$self->deactivate_recursive;	2568	$self->deactivate_recursive;
1769		2569
1770	return if UNIVERSAL::isa $self->map, "ext::map_link";	2570	return if UNIVERSAL::isa $self->map, "ext::map_link";
1771		2571
1772	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2572	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1773	if $self->map;	2573	if $self->map && $self->map->{path} ne "{link}";
1774		2574
1775	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2575	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1776	}	2576	}
1777		2577
1778	sub cf::object::player::leave_link {	2578	sub cf::object::player::leave_link {
1779	my ($self, $map, $x, $y) = @_;	2579	my ($self, $map, $x, $y) = @_;
		2580
		2581	return unless $self->contr->active;
1780		2582
1781	my $link_pos = delete $self->{_link_pos};	2583	my $link_pos = delete $self->{_link_pos};
1782		2584
1783	unless ($map) {	2585	unless ($map) {
1784	# restore original map position	2586	# restore original map position
…		…
1798	# use -1 or undef as default coordinates, not 0, 0	2600	# use -1 or undef as default coordinates, not 0, 0
1799	($x, $y) = ($map->enter_x, $map->enter_y)	2601	($x, $y) = ($map->enter_x, $map->enter_y)
1800	if $x <=0 && $y <= 0;	2602	if $x <=0 && $y <= 0;
1801		2603
1802	$map->load;	2604	$map->load;
1803	$map->load_diag;	2605	$map->load_neighbours;
1804		2606
1805	return unless $self->contr->active;	2607	return unless $self->contr->active;
1806	$self->activate_recursive;	2608	$self->activate_recursive;
		2609
		2610	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1807	$self->enter_map ($map, $x, $y);	2611	$self->enter_map ($map, $x, $y);
1808	}	2612	}
1809		2613
1810	cf::player->attach (	2614	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1811	on_logout => sub {
1812	my ($pl) = @_;
1813		2615
1814	# abort map switching before logout	2616	Moves the player to the given map-path and coordinates by first freezing
1815	if ($pl->ob->{_link_pos}) {	2617	her, loading and preparing them map, calling the provided $check callback
1816	cf::sync_job {	2618	that has to return the map if sucecssful, and then unfreezes the player on
1817	$pl->ob->leave_link	2619	the new (success) or old (failed) map position. In either case, $done will
1818	};	2620	be called at the end of this process.
1819	}
1820	},
1821	on_login => sub {
1822	my ($pl) = @_;
1823		2621
1824	# try to abort aborted map switching on player login :)	2622	Note that $check will be called with a potentially non-loaded map, so if
1825	# should happen only on crashes	2623	it needs a loaded map it has to call C<< ->load >>.
1826	if ($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		2624
1842	=item $player_object->goto ($path, $x, $y)
1843
1844	=cut	2625	=cut
		2626
		2627	our $GOTOGEN;
1845		2628
1846	sub cf::object::player::goto {	2629	sub cf::object::player::goto {
1847	my ($self, $path, $x, $y) = @_;	2630	my ($self, $path, $x, $y, $check, $done) = @_;
		2631
		2632	# do generation counting so two concurrent goto's will be executed in-order
		2633	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1848		2634
1849	$self->enter_link;	2635	$self->enter_link;
1850		2636
1851	(async {	2637	(async {
		2638	$Coro::current->{desc} = "player::goto $path $x $y";
		2639
		2640	# *tag paths override both path and x|y
		2641	if ($path =~ /^\*(.*)$/) {
		2642	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2643	my $ob = $obs[rand @obs];
		2644
		2645	# see if we actually can go there
		2646	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2647	$ob = $obs[rand @obs];
		2648	} else {
		2649	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2650	}
		2651	# else put us there anyways for now #d#
		2652
		2653	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2654	} else {
		2655	($path, $x, $y) = (undef, undef, undef);
		2656	}
		2657	}
		2658
1852	my $map = eval {	2659	my $map = eval {
1853	my $map = cf::map::find $path;	2660	my $map = defined $path ? cf::map::find $path : undef;
		2661
		2662	if ($map) {
1854	$map = $map->customise_for ($self) if $map;	2663	$map = $map->customise_for ($self);
		2664	$map = $check->($map) if $check && $map;
		2665	} else {
		2666	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2667	}
		2668
1855	$map	2669	$map
		2670	};
		2671
		2672	if ($@) {
		2673	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2674	LOG llevError | logBacktrace, Carp::longmess $@;
1856	} or	2675	}
1857	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1858		2676
		2677	if ($gen == $self->{_goto_generation}) {
		2678	delete $self->{_goto_generation};
1859	$self->leave_link ($map, $x, $y);	2679	$self->leave_link ($map, $x, $y);
		2680	}
		2681
		2682	$done->() if $done;
1860	})->prio (1);	2683	})->prio (1);
1861	}	2684	}
1862		2685
1863	=item $player_object->enter_exit ($exit_object)	2686	=item $player_object->enter_exit ($exit_object)
1864		2687
…		…
1884	}	2707	}
1885		2708
1886	sub prepare_random_map {	2709	sub prepare_random_map {
1887	my ($exit) = @_;	2710	my ($exit) = @_;
1888		2711
1889	my $guard = cf::lock_acquire "exit_prepare:$exit";
1890
1891	# all this does is basically replace the /! path by	2712	# all this does is basically replace the /! path by
1892	# a new random map path (?random/...) with a seed	2713	# a new random map path (?random/...) with a seed
1893	# that depends on the exit object	2714	# that depends on the exit object
1894		2715
1895	my $rmp = parse_random_map_params $exit->msg;	2716	my $rmp = parse_random_map_params $exit->msg;
…		…
1897	if ($exit->map) {	2718	if ($exit->map) {
1898	$rmp->{region} = $exit->region->name;	2719	$rmp->{region} = $exit->region->name;
1899	$rmp->{origin_map} = $exit->map->path;	2720	$rmp->{origin_map} = $exit->map->path;
1900	$rmp->{origin_x} = $exit->x;	2721	$rmp->{origin_x} = $exit->x;
1901	$rmp->{origin_y} = $exit->y;	2722	$rmp->{origin_y} = $exit->y;
		2723
		2724	$exit->map->touch;
1902	}	2725	}
1903		2726
1904	$rmp->{random_seed} ||= $exit->random_seed;	2727	$rmp->{random_seed} ||= $exit->random_seed;
1905		2728
1906	my $data = cf::to_json $rmp;	2729	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1907	my $md5 = Digest::MD5::md5_hex $data;	2730	my $md5 = Digest::MD5::md5_hex $data;
1908	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2731	my $meta = "$RANDOMDIR/$md5.meta";
1909		2732
1910	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2733	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1911	aio_write $fh, 0, (length $data), $data, 0;	2734	aio_write $fh, 0, (length $data), $data, 0;
1912	undef $fh;	2735	undef $fh;
1913	aio_rename "$meta~", $meta;	2736	aio_rename "$meta~", $meta;
1914		2737
		2738	my $slaying = "?random/$md5";
		2739
		2740	if ($exit->valid) {
1915	$exit->slaying ("?random/$md5");	2741	$exit->slaying ("?random/$md5");
1916	$exit->msg (undef);	2742	$exit->msg (undef);
		2743	}
1917	}	2744	}
1918	}	2745	}
1919		2746
1920	sub cf::object::player::enter_exit {	2747	sub cf::object::player::enter_exit {
1921	my ($self, $exit) = @_;	2748	my ($self, $exit) = @_;
1922		2749
1923	return unless $self->type == cf::PLAYER;	2750	return unless $self->type == cf::PLAYER;
1924		2751
1925	if ($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;	2752	$self->enter_link;
1935		2753
1936	(async {	2754	(async {
1937	$self->deactivate_recursive; # just to be sure	2755	$Coro::current->{desc} = "enter_exit";
		2756
1938	unless (eval {	2757	unless (eval {
		2758	$self->deactivate_recursive; # just to be sure
		2759
		2760	# random map handling
		2761	{
		2762	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2763
		2764	prepare_random_map $exit
		2765	if $exit->slaying eq "/!";
		2766	}
		2767
		2768	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2769	my $x = $exit->stats->hp;
		2770	my $y = $exit->stats->sp;
		2771
1939	$self->goto ($slaying, $hp, $sp);	2772	$self->goto ($map, $x, $y);
1940		2773
		2774	# if exit is damned, update players death & WoR home-position
		2775	$self->contr->savebed ($map, $x, $y)
		2776	if $exit->flag (cf::FLAG_DAMNED);
		2777
1941	1;	2778	1
1942	}) {	2779	}) {
1943	$self->message ("Something went wrong deep within the crossfire server. "	2780	$self->message ("Something went wrong deep within the crossfire server. "
1944	. "I'll try to bring you back to the map you were before. "	2781	. "I'll try to bring you back to the map you were before. "
1945	. "Please report this to the dungeon master!",	2782	. "Please report this to the dungeon master!",
1946	cf::NDI_UNIQUE | cf::NDI_RED);	2783	cf::NDI_UNIQUE | cf::NDI_RED);
1947		2784
1948	warn "ERROR in enter_exit: $@";	2785	warn "ERROR in enter_exit: $@";
1949	$self->leave_link;	2786	$self->leave_link;
1950	}	2787	}
1951	})->prio (1);	2788	})->prio (1);
…		…
1964		2801
1965	sub cf::client::send_drawinfo {	2802	sub cf::client::send_drawinfo {
1966	my ($self, $text, $flags) = @_;	2803	my ($self, $text, $flags) = @_;
1967		2804
1968	utf8::encode $text;	2805	utf8::encode $text;
1969	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2806	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1970	}	2807	}
1971		2808
		2809	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2810
		2811	Send a drawinfo or msg packet to the client, formatting the msg for the
		2812	client if neccessary. C<$type> should be a string identifying the type of
		2813	the message, with C<log> being the default. If C<$color> is negative, suppress
		2814	the message unless the client supports the msg packet.
		2815
		2816	=cut
		2817
		2818	# non-persistent channels (usually the info channel)
		2819	our %CHANNEL = (
		2820	"c/identify" => {
		2821	id => "infobox",
		2822	title => "Identify",
		2823	reply => undef,
		2824	tooltip => "Items recently identified",
		2825	},
		2826	"c/examine" => {
		2827	id => "infobox",
		2828	title => "Examine",
		2829	reply => undef,
		2830	tooltip => "Signs and other items you examined",
		2831	},
		2832	"c/book" => {
		2833	id => "infobox",
		2834	title => "Book",
		2835	reply => undef,
		2836	tooltip => "The contents of a note or book",
		2837	},
		2838	"c/lookat" => {
		2839	id => "infobox",
		2840	title => "Look",
		2841	reply => undef,
		2842	tooltip => "What you saw there",
		2843	},
		2844	"c/who" => {
		2845	id => "infobox",
		2846	title => "Players",
		2847	reply => undef,
		2848	tooltip => "Shows players who are currently online",
		2849	},
		2850	"c/body" => {
		2851	id => "infobox",
		2852	title => "Body Parts",
		2853	reply => undef,
		2854	tooltip => "Shows which body parts you posess and are available",
		2855	},
		2856	"c/uptime" => {
		2857	id => "infobox",
		2858	title => "Uptime",
		2859	reply => undef,
		2860	tooltip => "How long the server has been running since last restart",
		2861	},
		2862	"c/mapinfo" => {
		2863	id => "infobox",
		2864	title => "Map Info",
		2865	reply => undef,
		2866	tooltip => "Information related to the maps",
		2867	},
		2868	"c/party" => {
		2869	id => "party",
		2870	title => "Party",
		2871	reply => "gsay ",
		2872	tooltip => "Messages and chat related to your party",
		2873	},
		2874	);
		2875
		2876	sub cf::client::send_msg {
		2877	my ($self, $channel, $msg, $color, @extra) = @_;
		2878
		2879	$msg = $self->pl->expand_cfpod ($msg);
		2880
		2881	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2882
		2883	# check predefined channels, for the benefit of C
		2884	if ($CHANNEL{$channel}) {
		2885	$channel = $CHANNEL{$channel};
		2886
		2887	$self->ext_msg (channel_info => $channel)
		2888	if $self->can_msg;
		2889
		2890	$channel = $channel->{id};
		2891
		2892	} elsif (ref $channel) {
		2893	# send meta info to client, if not yet sent
		2894	unless (exists $self->{channel}{$channel->{id}}) {
		2895	$self->{channel}{$channel->{id}} = $channel;
		2896	$self->ext_msg (channel_info => $channel)
		2897	if $self->can_msg;
		2898	}
		2899
		2900	$channel = $channel->{id};
		2901	}
		2902
		2903	return unless @extra || length $msg;
		2904
		2905	if ($self->can_msg) {
		2906	# default colour, mask it out
		2907	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2908	if $color & cf::NDI_DEF;
		2909
		2910	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2911	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2912	} else {
		2913	if ($color >= 0) {
		2914	# replace some tags by gcfclient-compatible ones
		2915	for ($msg) {
		2916	1 while
		2917	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2918	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2919	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2920	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2921	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2922	}
		2923
		2924	$color &= cf::NDI_COLOR_MASK;
		2925
		2926	utf8::encode $msg;
		2927
		2928	if (0 && $msg =~ /\[/) {
		2929	# COMMAND/INFO
		2930	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2931	} else {
		2932	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2933	$self->send_packet ("drawinfo $color $msg")
		2934	}
		2935	}
		2936	}
		2937	}
		2938
		2939	=item $client->ext_msg ($type, @msg)
		2940
		2941	Sends an ext event to the client.
		2942
		2943	=cut
		2944
		2945	sub cf::client::ext_msg($$@) {
		2946	my ($self, $type, @msg) = @_;
		2947
		2948	if ($self->extcmd == 2) {
		2949	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2950	} elsif ($self->extcmd == 1) { # TODO: remove
		2951	push @msg, msgtype => "event_$type";
		2952	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2953	}
		2954	}
		2955
		2956	=item $client->ext_reply ($msgid, @msg)
		2957
		2958	Sends an ext reply to the client.
		2959
		2960	=cut
		2961
		2962	sub cf::client::ext_reply($$@) {
		2963	my ($self, $id, @msg) = @_;
		2964
		2965	if ($self->extcmd == 2) {
		2966	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2967	} elsif ($self->extcmd == 1) {
		2968	#TODO: version 1, remove
		2969	unshift @msg, msgtype => "reply", msgid => $id;
		2970	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2971	}
		2972	}
1972		2973
1973	=item $success = $client->query ($flags, "text", \&cb)	2974	=item $success = $client->query ($flags, "text", \&cb)
1974		2975
1975	Queues a query to the client, calling the given callback with	2976	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>,	2977	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>.	2978	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1978		2979
1979	Queries can fail, so check the return code. Or don't, as queries will become	2980	Queries can fail, so check the return code. Or don't, as queries will
1980	reliable at some point in the future.	2981	become reliable at some point in the future.
1981		2982
1982	=cut	2983	=cut
1983		2984
1984	sub cf::client::query {	2985	sub cf::client::query {
1985	my ($self, $flags, $text, $cb) = @_;	2986	my ($self, $flags, $text, $cb) = @_;
…		…
1993	utf8::encode $text;	2994	utf8::encode $text;
1994	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2995	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1995		2996
1996	$self->send_packet ($self->{query_queue}[0][0])	2997	$self->send_packet ($self->{query_queue}[0][0])
1997	if @{ $self->{query_queue} } == 1;	2998	if @{ $self->{query_queue} } == 1;
		2999
		3000	1
1998	}	3001	}
1999		3002
2000	cf::client->attach (	3003	cf::client->attach (
		3004	on_connect => sub {
		3005	my ($ns) = @_;
		3006
		3007	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3008	},
2001	on_reply => sub {	3009	on_reply => sub {
2002	my ($ns, $msg) = @_;	3010	my ($ns, $msg) = @_;
2003		3011
2004	# this weird shuffling is so that direct followup queries	3012	# this weird shuffling is so that direct followup queries
2005	# get handled first	3013	# get handled first
…		…
2017	} else {	3025	} else {
2018	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3026	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2019	}	3027	}
2020	}	3028	}
2021	},	3029	},
		3030	on_exticmd => sub {
		3031	my ($ns, $buf) = @_;
		3032
		3033	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3034
		3035	if (ref $msg) {
		3036	my ($type, $reply, @payload) =
		3037	"ARRAY" eq ref $msg
		3038	? @$msg
		3039	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3040
		3041	my @reply;
		3042
		3043	if (my $cb = $EXTICMD{$type}) {
		3044	@reply = $cb->($ns, @payload);
		3045	}
		3046
		3047	$ns->ext_reply ($reply, @reply)
		3048	if $reply;
		3049
		3050	} else {
		3051	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3052	}
		3053
		3054	cf::override;
		3055	},
2022	);	3056	);
2023		3057
2024	=item $client->async (\&cb)	3058	=item $client->async (\&cb)
2025		3059
2026	Create a new coroutine, running the specified callback. The coroutine will	3060	Create a new coroutine, running the specified callback. The coroutine will
…		…
2067	our $safe = new Safe "safe";	3101	our $safe = new Safe "safe";
2068	our $safe_hole = new Safe::Hole;	3102	our $safe_hole = new Safe::Hole;
2069		3103
2070	$SIG{FPE} = 'IGNORE';	3104	$SIG{FPE} = 'IGNORE';
2071		3105
2072	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3106	$safe->permit_only (Opcode::opset qw(
		3107	:base_core :base_mem :base_orig :base_math
		3108	grepstart grepwhile mapstart mapwhile
		3109	sort time
		3110	));
2073		3111
2074	# here we export the classes and methods available to script code	3112	# here we export the classes and methods available to script code
2075		3113
2076	=pod	3114	=pod
2077		3115
2078	The following fucntions and emthods are available within a safe environment:	3116	The following functions and methods are available within a safe environment:
2079		3117
2080	cf::object contr pay_amount pay_player map	3118	cf::object
		3119	contr pay_amount pay_player map x y force_find force_add destroy
		3120	insert remove name archname title slaying race decrease split
		3121
2081	cf::object::player player	3122	cf::object::player
2082	cf::player peaceful	3123	player
2083	cf::map trigger	3124
		3125	cf::player
		3126	peaceful
		3127
		3128	cf::map
		3129	trigger
2084		3130
2085	=cut	3131	=cut
2086		3132
2087	for (	3133	for (
2088	["cf::object" => qw(contr pay_amount pay_player map)],	3134	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3135	insert remove inv nrof name archname title slaying race
		3136	decrease split destroy change_exp)],
2089	["cf::object::player" => qw(player)],	3137	["cf::object::player" => qw(player)],
2090	["cf::player" => qw(peaceful)],	3138	["cf::player" => qw(peaceful)],
2091	["cf::map" => qw(trigger)],	3139	["cf::map" => qw(trigger)],
2092	) {	3140	) {
2093	no strict 'refs';	3141	no strict 'refs';
…		…
2164	=back	3212	=back
2165		3213
2166	=cut	3214	=cut
2167		3215
2168	#############################################################################	3216	#############################################################################
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	3217	# the server's init and main functions
2278		3218
		3219	sub load_facedata($) {
		3220	my ($path) = @_;
		3221
		3222	# HACK to clear player env face cache, we need some signal framework
		3223	# for this (global event?)
		3224	%ext::player_env::MUSIC_FACE_CACHE = ();
		3225
		3226	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3227
		3228	warn "loading facedata from $path\n";
		3229
		3230	my $facedata;
		3231	0 < aio_load $path, $facedata
		3232	or die "$path: $!";
		3233
		3234	$facedata = Coro::Storable::thaw $facedata;
		3235
		3236	$facedata->{version} == 2
		3237	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3238
		3239	# patch in the exptable
		3240	$facedata->{resource}{"res/exp_table"} = {
		3241	type => FT_RSRC,
		3242	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3243	};
		3244	cf::cede_to_tick;
		3245
		3246	{
		3247	my $faces = $facedata->{faceinfo};
		3248
		3249	while (my ($face, $info) = each %$faces) {
		3250	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3251
		3252	cf::face::set_visibility $idx, $info->{visibility};
		3253	cf::face::set_magicmap $idx, $info->{magicmap};
		3254	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3255	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3256
		3257	cf::cede_to_tick;
		3258	}
		3259
		3260	while (my ($face, $info) = each %$faces) {
		3261	next unless $info->{smooth};
		3262
		3263	my $idx = cf::face::find $face
		3264	or next;
		3265
		3266	if (my $smooth = cf::face::find $info->{smooth}) {
		3267	cf::face::set_smooth $idx, $smooth;
		3268	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3269	} else {
		3270	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3271	}
		3272
		3273	cf::cede_to_tick;
		3274	}
		3275	}
		3276
		3277	{
		3278	my $anims = $facedata->{animinfo};
		3279
		3280	while (my ($anim, $info) = each %$anims) {
		3281	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3282	cf::cede_to_tick;
		3283	}
		3284
		3285	cf::anim::invalidate_all; # d'oh
		3286	}
		3287
		3288	{
		3289	# TODO: for gcfclient pleasure, we should give resources
		3290	# that gcfclient doesn't grok a >10000 face index.
		3291	my $res = $facedata->{resource};
		3292
		3293	while (my ($name, $info) = each %$res) {
		3294	if (defined $info->{type}) {
		3295	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3296	my $data;
		3297
		3298	if ($info->{type} & 1) {
		3299	# prepend meta info
		3300
		3301	my $meta = $enc->encode ({
		3302	name => $name,
		3303	%{ $info->{meta} || {} },
		3304	});
		3305
		3306	$data = pack "(w/a*)*", $meta, $info->{data};
		3307	} else {
		3308	$data = $info->{data};
		3309	}
		3310
		3311	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3312	cf::face::set_type $idx, $info->{type};
		3313	} else {
		3314	$RESOURCE{$name} = $info;
		3315	}
		3316
		3317	cf::cede_to_tick;
		3318	}
		3319	}
		3320
		3321	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3322
		3323	1
		3324	}
		3325
		3326	cf::global->attach (on_resource_update => sub {
		3327	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3328	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3329
		3330	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3331	my $sound = $soundconf->{compat}[$_]
		3332	or next;
		3333
		3334	my $face = cf::face::find "sound/$sound->[1]";
		3335	cf::sound::set $sound->[0] => $face;
		3336	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3337	}
		3338
		3339	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3340	my $face = cf::face::find "sound/$v";
		3341	cf::sound::set $k => $face;
		3342	}
		3343	}
		3344	});
		3345
		3346	register_exticmd fx_want => sub {
		3347	my ($ns, $want) = @_;
		3348
		3349	while (my ($k, $v) = each %$want) {
		3350	$ns->fx_want ($k, $v);
		3351	}
		3352	};
		3353
2279	sub load_resources {	3354	sub load_resource_file($) {
2280	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3355	my $guard = lock_acquire "load_resource_file";
		3356
		3357	my $status = load_resource_file_ $_[0];
		3358	get_slot 0.1, 100;
		3359	cf::arch::commit_load;
		3360
		3361	$status
		3362	}
		3363
		3364	sub reload_regions {
		3365	# HACK to clear player env face cache, we need some signal framework
		3366	# for this (global event?)
		3367	%ext::player_env::MUSIC_FACE_CACHE = ();
		3368
		3369	load_resource_file "$MAPDIR/regions"
2281	or die "unable to load regions file\n";#d#	3370	or die "unable to load regions file\n";
2282	}
2283		3371
2284	sub cfg_load {	3372	for (cf::region::list) {
		3373	$_->{match} = qr/$_->{match}/
		3374	if exists $_->{match};
		3375	}
		3376	}
		3377
		3378	sub reload_facedata {
		3379	load_facedata "$DATADIR/facedata"
		3380	or die "unable to load facedata\n";
		3381	}
		3382
		3383	sub reload_archetypes {
		3384	load_resource_file "$DATADIR/archetypes"
		3385	or die "unable to load archetypes\n";
		3386	}
		3387
		3388	sub reload_treasures {
		3389	load_resource_file "$DATADIR/treasures"
		3390	or die "unable to load treasurelists\n";
		3391	}
		3392
		3393	sub reload_resources {
		3394	warn "reloading resource files...\n";
		3395
		3396	reload_facedata;
		3397	reload_archetypes;
		3398	reload_regions;
		3399	reload_treasures;
		3400
		3401	warn "finished reloading resource files\n";
		3402	}
		3403
		3404	sub init {
		3405	my $guard = freeze_mainloop;
		3406
		3407	evthread_start IO::AIO::poll_fileno;
		3408
		3409	reload_resources;
		3410	}
		3411
		3412	sub reload_config {
2285	open my $fh, "<:utf8", cf::confdir . "/config"	3413	open my $fh, "<:utf8", "$CONFDIR/config"
2286	or return;	3414	or return;
2287		3415
2288	local $/;	3416	local $/;
2289	*CFG = YAML::Syck::Load <$fh>;	3417	*CFG = YAML::Load <$fh>;
2290		3418
2291	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3419	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2292		3420
2293	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3421	$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};	3422	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2300	};	3428	};
2301	warn $@ if $@;	3429	warn $@ if $@;
2302	}	3430	}
2303	}	3431	}
2304		3432
2305	sub init {
2306	load_resources;
2307	}
2308
2309	sub main {	3433	sub main {
2310	# we must not ever block the main coroutine	3434	# we must not ever block the main coroutine
2311	local $Coro::idle = sub {	3435	local $Coro::idle = sub {
2312	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3436	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2313	(async {	3437	(async {
2314	Event::one_event;	3438	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3439	EV::loop EV::LOOP_ONESHOT;
2315	})->prio (Coro::PRIO_MAX);	3440	})->prio (Coro::PRIO_MAX);
2316	};	3441	};
2317		3442
2318	cfg_load;	3443	{
2319	db_load;	3444	my $guard = freeze_mainloop;
		3445	reload_config;
		3446	db_init;
2320	load_extensions;	3447	load_extensions;
2321		3448
2322	$TICK_WATCHER->start;	3449	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3450	}
		3451
2323	Event::loop;	3452	EV::loop;
2324	}	3453	}
2325		3454
2326	#############################################################################	3455	#############################################################################
2327	# initialisation and cleanup	3456	# initialisation and cleanup
2328		3457
2329	# install some emergency cleanup handlers	3458	# install some emergency cleanup handlers
2330	BEGIN {	3459	BEGIN {
		3460	our %SIGWATCHER = ();
2331	for my $signal (qw(INT HUP TERM)) {	3461	for my $signal (qw(INT HUP TERM)) {
2332	Event->signal (	3462	$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";	3463	cf::cleanup "SIG$signal";
2339	},
2340	);	3464	};
		3465	}
		3466	}
		3467
		3468	sub write_runtime_sync {
		3469	my $runtime = "$LOCALDIR/runtime";
		3470
		3471	# first touch the runtime file to show we are still running:
		3472	# the fsync below can take a very very long time.
		3473
		3474	IO::AIO::aio_utime $runtime, undef, undef;
		3475
		3476	my $guard = cf::lock_acquire "write_runtime";
		3477
		3478	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3479	or return;
		3480
		3481	my $value = $cf::RUNTIME + 90 + 10;
		3482	# 10 is the runtime save interval, for a monotonic clock
		3483	# 60 allows for the watchdog to kill the server.
		3484
		3485	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3486	and return;
		3487
		3488	# always fsync - this file is important
		3489	aio_fsync $fh
		3490	and return;
		3491
		3492	# touch it again to show we are up-to-date
		3493	aio_utime $fh, undef, undef;
		3494
		3495	close $fh
		3496	or return;
		3497
		3498	aio_rename "$runtime~", $runtime
		3499	and return;
		3500
		3501	warn "runtime file written.\n";
		3502
2341	}	3503	1
		3504	}
		3505
		3506	our $uuid_lock;
		3507	our $uuid_skip;
		3508
		3509	sub write_uuid_sync($) {
		3510	$uuid_skip ||= $_[0];
		3511
		3512	return if $uuid_lock;
		3513	local $uuid_lock = 1;
		3514
		3515	my $uuid = "$LOCALDIR/uuid";
		3516
		3517	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3518	or return;
		3519
		3520	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3521	$uuid_skip = 0;
		3522
		3523	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3524	and return;
		3525
		3526	# always fsync - this file is important
		3527	aio_fsync $fh
		3528	and return;
		3529
		3530	close $fh
		3531	or return;
		3532
		3533	aio_rename "$uuid~", $uuid
		3534	and return;
		3535
		3536	warn "uuid file written ($value).\n";
		3537
		3538	1
		3539
		3540	}
		3541
		3542	sub write_uuid($$) {
		3543	my ($skip, $sync) = @_;
		3544
		3545	$sync ? write_uuid_sync $skip
		3546	: async { write_uuid_sync $skip };
2342	}	3547	}
2343		3548
2344	sub emergency_save() {	3549	sub emergency_save() {
2345	my $freeze_guard = cf::freeze_mainloop;	3550	my $freeze_guard = cf::freeze_mainloop;
2346		3551
…		…
2352	# and maps saved/destroyed asynchronously.	3557	# and maps saved/destroyed asynchronously.
2353	warn "begin emergency player save\n";	3558	warn "begin emergency player save\n";
2354	for my $login (keys %cf::PLAYER) {	3559	for my $login (keys %cf::PLAYER) {
2355	my $pl = $cf::PLAYER{$login} or next;	3560	my $pl = $cf::PLAYER{$login} or next;
2356	$pl->valid or next;	3561	$pl->valid or next;
		3562	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2357	$pl->save;	3563	$pl->save;
2358	}	3564	}
2359	warn "end emergency player save\n";	3565	warn "end emergency player save\n";
2360		3566
2361	warn "begin emergency map save\n";	3567	warn "begin emergency map save\n";
…		…
2363	my $map = $cf::MAP{$path} or next;	3569	my $map = $cf::MAP{$path} or next;
2364	$map->valid or next;	3570	$map->valid or next;
2365	$map->save;	3571	$map->save;
2366	}	3572	}
2367	warn "end emergency map save\n";	3573	warn "end emergency map save\n";
		3574
		3575	warn "begin emergency database checkpoint\n";
		3576	BDB::db_env_txn_checkpoint $DB_ENV;
		3577	warn "end emergency database checkpoint\n";
		3578
		3579	warn "begin write uuid\n";
		3580	write_uuid_sync 1;
		3581	warn "end write uuid\n";
2368	};	3582	};
2369		3583
2370	warn "leave emergency perl save\n";	3584	warn "leave emergency perl save\n";
2371	}	3585	}
2372		3586
		3587	sub post_cleanup {
		3588	my ($make_core) = @_;
		3589
		3590	warn Carp::longmess "post_cleanup backtrace"
		3591	if $make_core;
		3592	}
		3593
		3594	# a safer delete_package, copied from Symbol
		3595	sub clear_package($) {
		3596	my $pkg = shift;
		3597
		3598	# expand to full symbol table name if needed
		3599	unless ($pkg =~ /^main::.*::$/) {
		3600	$pkg = "main$pkg" if $pkg =~ /^::/;
		3601	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3602	$pkg .= '::' unless $pkg =~ /::$/;
		3603	}
		3604
		3605	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3606	my $stem_symtab = *{$stem}{HASH};
		3607
		3608	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3609	or return;
		3610
		3611	# clear all symbols
		3612	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3613	for my $name (keys %$leaf_symtab) {
		3614	_gv_clear *{"$pkg$name"};
		3615	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3616	}
		3617	warn "cleared package #$pkg\n";#d#
		3618	}
		3619
		3620	our $RELOAD; # how many times to reload
		3621
2373	sub reload() {	3622	sub do_reload_perl() {
2374	# can/must only be called in main	3623	# can/must only be called in main
2375	if ($Coro::current != $Coro::main) {	3624	if ($Coro::current != $Coro::main) {
2376	warn "can only reload from main coroutine";	3625	warn "can only reload from main coroutine";
2377	return;	3626	return;
2378	}	3627	}
2379		3628
		3629	return if $RELOAD++;
		3630
		3631	while ($RELOAD) {
2380	warn "reloading...";	3632	warn "reloading...";
2381		3633
2382	warn "cancelling server ticker";	3634	warn "entering sync_job";
2383	$TICK_WATCHER->cancel;
2384		3635
		3636	cf::sync_job {
		3637	cf::write_runtime_sync; # external watchdog should not bark
2385	cf::emergency_save;	3638	cf::emergency_save;
		3639	cf::write_runtime_sync; # external watchdog should not bark
2386		3640
2387	eval {	3641	warn "syncing database to disk";
		3642	BDB::db_env_txn_checkpoint $DB_ENV;
		3643
2388	# if anything goes wrong in here, we should simply crash as we already saved	3644	# if anything goes wrong in here, we should simply crash as we already saved
2389		3645
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";	3646	warn "flushing outstanding aio requests";
2399	for (;;) {	3647	while (IO::AIO::nreqs || BDB::nreqs) {
2400	IO::AIO::flush;	3648	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	}	3649	}
2426		3650
2427	warn "... nuking $pkg";	3651	warn "cancelling all extension coros";
2428	Symbol::delete_package $pkg;	3652	$_->cancel for values %EXT_CORO;
2429	}	3653	%EXT_CORO = ();
2430		3654
2431	warn "unloading all perl modules loaded from $LIBDIR";	3655	warn "removing commands";
2432	while (my ($k, $v) = each %INC) {	3656	%COMMAND = ();
2433	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2434		3657
		3658	warn "removing ext/exti commands";
		3659	%EXTCMD = ();
		3660	%EXTICMD = ();
		3661
		3662	warn "unloading/nuking all extensions";
		3663	for my $pkg (@EXTS) {
2435	warn "... unloading $k";	3664	warn "... unloading $pkg";
2436	delete $INC{$k};
2437		3665
2438	$k =~ s/\.pm$//;
2439	$k =~ s/\//::/g;
2440
2441	if (my $cb = $k->can ("unload_module")) {	3666	if (my $cb = $pkg->can ("unload")) {
		3667	eval {
2442	$cb->();	3668	$cb->($pkg);
		3669	1
		3670	} or warn "$pkg unloaded, but with errors: $@";
		3671	}
		3672
		3673	warn "... clearing $pkg";
		3674	clear_package $pkg;
2443	}	3675	}
2444		3676
2445	Symbol::delete_package $k;	3677	warn "unloading all perl modules loaded from $LIBDIR";
		3678	while (my ($k, $v) = each %INC) {
		3679	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3680
		3681	warn "... unloading $k";
		3682	delete $INC{$k};
		3683
		3684	$k =~ s/\.pm$//;
		3685	$k =~ s/\//::/g;
		3686
		3687	if (my $cb = $k->can ("unload_module")) {
		3688	$cb->();
		3689	}
		3690
		3691	clear_package $k;
2446	}	3692	}
2447		3693
2448	warn "getting rid of safe::, as good as possible";	3694	warn "getting rid of safe::, as good as possible";
2449	Symbol::delete_package "safe::$_"	3695	clear_package "safe::$_"
2450	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3696	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2451		3697
2452	warn "unloading cf.pm \"a bit\"";	3698	warn "unloading cf.pm \"a bit\"";
2453	delete $INC{"cf.pm"};	3699	delete $INC{"cf.pm"};
		3700	delete $INC{"cf/pod.pm"};
2454		3701
2455	# don't, removes xs symbols, too,	3702	# don't, removes xs symbols, too,
2456	# and global variables created in xs	3703	# and global variables created in xs
2457	#Symbol::delete_package __PACKAGE__;	3704	#clear_package __PACKAGE__;
2458		3705
2459	warn "unload completed, starting to reload now";	3706	warn "unload completed, starting to reload now";
2460		3707
2461	warn "reloading cf.pm";	3708	warn "reloading cf.pm";
2462	require cf;	3709	require cf;
2463	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3710	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2464		3711
2465	warn "loading config and database again";	3712	warn "loading config and database again";
2466	cf::cfg_load;	3713	cf::reload_config;
2467	cf::db_load;
2468		3714
2469	warn "loading extensions";	3715	warn "loading extensions";
2470	cf::load_extensions;	3716	cf::load_extensions;
2471		3717
2472	warn "reattaching attachments to objects/players";	3718	warn "reattaching attachments to objects/players";
2473	_global_reattach;	3719	_global_reattach; # objects, sockets
2474	warn "reattaching attachments to maps";	3720	warn "reattaching attachments to maps";
2475	reattach $_ for values %MAP;	3721	reattach $_ for values %MAP;
		3722	warn "reattaching attachments to players";
		3723	reattach $_ for values %PLAYER;
2476		3724
2477	warn "loading reloadable resources";	3725	warn "leaving sync_job";
2478	load_resources;
2479		3726
2480	warn "restarting server ticker";	3727	1
		3728	} or do {
		3729	warn $@;
		3730	cf::cleanup "error while reloading, exiting.";
		3731	};
2481		3732
2482	$TICK_WATCHER->start;	3733	warn "reloaded";
		3734	--$RELOAD;
		3735	}
		3736	};
		3737
		3738	our $RELOAD_WATCHER; # used only during reload
		3739
		3740	sub reload_perl() {
		3741	# doing reload synchronously and two reloads happen back-to-back,
		3742	# coro crashes during coro_state_free->destroy here.
		3743
		3744	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3745	do_reload_perl;
		3746	undef $RELOAD_WATCHER;
2483	};	3747	};
2484		3748	}
2485	if ($@) {
2486	warn $@;
2487	warn "error while reloading, exiting.";
2488	exit 1;
2489	}
2490
2491	warn "reloaded";
2492	};
2493
2494	our $RELOAD_WATCHER; # used only during reload
2495		3749
2496	register_command "reload" => sub {	3750	register_command "reload" => sub {
2497	my ($who, $arg) = @_;	3751	my ($who, $arg) = @_;
2498		3752
2499	if ($who->flag (FLAG_WIZ)) {	3753	if ($who->flag (FLAG_WIZ)) {
2500	$who->message ("reloading server.");	3754	$who->message ("reloading server.");
2501		3755	async {
2502	# doing reload synchronously and two reloads happen back-to-back,	3756	$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;	3757	reload_perl;
2511	undef $RELOAD_WATCHER;
2512	},
2513	);	3758	};
2514	}	3759	}
2515	};	3760	};
2516		3761
2517	unshift @INC, $LIBDIR;	3762	unshift @INC, $LIBDIR;
2518		3763
2519	my $bug_warning = 0;	3764	my $bug_warning = 0;
2520		3765
2521	$TICK_WATCHER = Event->timer (	3766	our @WAIT_FOR_TICK;
2522	reentrant => 0,	3767	our @WAIT_FOR_TICK_BEGIN;
2523	parked => 1,	3768
2524	prio => 0,	3769	sub wait_for_tick {
2525	at => $NEXT_TICK || $TICK,	3770	return if tick_inhibit || $Coro::current == $Coro::main;
2526	data => WF_AUTOCANCEL,	3771
2527	cb => sub {	3772	my $signal = new Coro::Signal;
		3773	push @WAIT_FOR_TICK, $signal;
		3774	$signal->wait;
		3775	}
		3776
		3777	sub wait_for_tick_begin {
		3778	return if tick_inhibit || $Coro::current == $Coro::main;
		3779
		3780	my $signal = new Coro::Signal;
		3781	push @WAIT_FOR_TICK_BEGIN, $signal;
		3782	$signal->wait;
		3783	}
		3784
		3785	sub tick {
2528	if ($Coro::current != $Coro::main) {	3786	if ($Coro::current != $Coro::main) {
2529	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3787	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2530	unless ++$bug_warning > 10;	3788	unless ++$bug_warning > 10;
2531	return;	3789	return;
2532	}	3790	}
2533		3791
2534	$NOW = Event::time;
2535
2536	cf::server_tick; # one server iteration	3792	cf::server_tick; # one server iteration
2537	$RUNTIME += $TICK;
2538	$NEXT_TICK += $TICK;
2539		3793
2540	$WAIT_FOR_TICK->broadcast;	3794	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2541	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3795	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2542		3796	Coro::async_pool {
2543	Event::sweep;	3797	$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	3798	write_runtime_sync
2577	or warn "ERROR: unable to write runtime file: $!";	3799	or warn "ERROR: unable to write runtime file: $!";
		3800	};
2578	},	3801	}
2579	);	3802
		3803	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3804	$sig->send;
		3805	}
		3806	while (my $sig = shift @WAIT_FOR_TICK) {
		3807	$sig->send;
		3808	}
		3809
		3810	$LOAD = ($NOW - $TICK_START) / $TICK;
		3811	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3812
		3813	if (0) {
		3814	if ($NEXT_TICK) {
		3815	my $jitter = $TICK_START - $NEXT_TICK;
		3816	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3817	warn "jitter $JITTER\n";#d#
		3818	}
		3819	}
		3820	}
		3821
		3822	{
		3823	# configure BDB
		3824
		3825	BDB::min_parallel 8;
		3826	BDB::max_poll_reqs $TICK * 0.1;
		3827	$AnyEvent::BDB::WATCHER->priority (1);
		3828
		3829	unless ($DB_ENV) {
		3830	$DB_ENV = BDB::db_env_create;
		3831	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3832	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3833	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3834	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3835	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3836
		3837	cf::sync_job {
		3838	eval {
		3839	BDB::db_env_open
		3840	$DB_ENV,
		3841	$BDBDIR,
		3842	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3843	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3844	0666;
		3845
		3846	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3847	};
		3848
		3849	cf::cleanup "db_env_open(db): $@" if $@;
		3850	};
		3851	}
		3852
		3853	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3854	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3855	};
		3856	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3857	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3858	};
		3859	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3860	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3861	};
		3862	}
		3863
		3864	{
		3865	# configure IO::AIO
		3866
		3867	IO::AIO::min_parallel 8;
		3868	IO::AIO::max_poll_time $TICK * 0.1;
		3869	undef $AnyEvent::AIO::WATCHER;
		3870	}
		3871
		3872	my $_log_backtrace;
		3873
		3874	sub _log_backtrace {
		3875	my ($msg, @addr) = @_;
		3876
		3877	$msg =~ s/\n//;
		3878
		3879	# limit the # of concurrent backtraces
		3880	if ($_log_backtrace < 2) {
		3881	++$_log_backtrace;
		3882	async {
		3883	$Coro::current->{desc} = "abt $msg";
		3884
		3885	my @bt = fork_call {
		3886	@addr = map { sprintf "%x", $_ } @addr;
		3887	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3888	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3889	or die "addr2line: $!";
		3890
		3891	my @funcs;
		3892	my @res = <$fh>;
		3893	chomp for @res;
		3894	while (@res) {
		3895	my ($func, $line) = splice @res, 0, 2, ();
		3896	push @funcs, "[$func] $line";
		3897	}
		3898
		3899	@funcs
		3900	};
		3901
		3902	LOG llevInfo, "[ABT] $msg\n";
		3903	LOG llevInfo, "[ABT] $_\n" for @bt;
		3904	--$_log_backtrace;
		3905	};
		3906	} else {
		3907	LOG llevInfo, "[ABT] $msg\n";
		3908	LOG llevInfo, "[ABT] [suppressed]\n";
		3909	}
		3910	}
		3911
		3912	# load additional modules
		3913	use cf::pod;
2580		3914
2581	END { cf::emergency_save }	3915	END { cf::emergency_save }
2582		3916
2583	1	3917	1
2584		3918

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