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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.245 by root, Tue Apr 17 10:06:33 2007 UTC vs.
Revision 1.442 by root, Sun Aug 31 09:03:31 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;
9	use Event;	31	use EV;
10	use Opcode;	32	use Opcode;
11	use Safe;	33	use Safe;
12	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
13		36
14	use Coro 3.61 ();	37	use Coro ();
15	use Coro::State;	38	use Coro::State;
		39	use Coro::Handle;
		40	use Coro::EV;
16	use Coro::Event;	41	use Coro::AnyEvent;
17	use Coro::Timer;	42	use Coro::Timer;
18	use Coro::Signal;	43	use Coro::Signal;
19	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
20	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
21	use Coro::Storable;	48	use Coro::Storable;
		49	use Coro::Util ();
22		50
		51	use JSON::XS 2.01 ();
23	use BDB ();	52	use BDB ();
24	use Data::Dumper;	53	use Data::Dumper;
25	use Digest::MD5;	54	use Digest::MD5;
26	use Fcntl;	55	use Fcntl;
27	use YAML::Syck ();	56	use YAML ();
28	use IO::AIO 2.32 ();	57	use IO::AIO ();
29	use Time::HiRes;	58	use Time::HiRes;
30	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
31		63
32	# configure various modules to our taste	64	# configure various modules to our taste
33	#	65	#
34	$Storable::canonical = 1; # reduce rsync transfers	66	$Storable::canonical = 1; # reduce rsync transfers
35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
36	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	68	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
37		69
38	$Event::Eval = 1; # no idea why this is required, but it is
39
40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
41	$YAML::Syck::ImplicitUnicode = 1;
42
43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
44		71
45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	72	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
46		73
47	our %COMMAND = ();	74	our %COMMAND = ();
48	our %COMMAND_TIME = ();	75	our %COMMAND_TIME = ();
49		76
50	our @EXTS = (); # list of extension package names	77	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	78	our %EXTCMD = ();
		79	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	80	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	81	our %EXT_MAP = (); # pluggable maps
54		82
55	our $RELOAD; # number of reloads so far	83	our $RELOAD; # number of reloads so far
56	our @EVENT;	84	our @EVENT;
57	our $LIBDIR = datadir . "/ext";	85
		86	our $CONFDIR = confdir;
		87	our $DATADIR = datadir;
		88	our $LIBDIR = "$DATADIR/ext";
		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;
58		98
59	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	99	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $TICK_WATCHER;
61	our $AIO_POLL_WATCHER;
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	100	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	101	our $NEXT_TICK;
64	our $NOW;
65	our $USE_FSYNC = 1; # use fsync to write maps - default off	102	our $USE_FSYNC = 1; # use fsync to write maps - default off
66		103
		104	our $BDB_DEADLOCK_WATCHER;
		105	our $BDB_CHECKPOINT_WATCHER;
67	our $BDB_POLL_WATCHER;	106	our $BDB_TRICKLE_WATCHER;
68	our $DB_ENV;	107	our $DB_ENV;
69		108
70	our %CFG;	109	our %CFG;
71		110
72	our $UPTIME; $UPTIME ||= time;	111	our $UPTIME; $UPTIME ||= time;
73	our $RUNTIME;	112	our $RUNTIME;
		113	our $NOW;
74		114
75	our %PLAYER; # all users	115	our (%PLAYER, %PLAYER_LOADING); # all users
76	our %MAP; # all maps	116	our (%MAP, %MAP_LOADING ); # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	117	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80		118
81	# 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 ∕
82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	120	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
83		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 $TICK_START; # for load detecting purposes
		126
84	binmode STDOUT;	127	binmode STDOUT;
85	binmode STDERR;	128	binmode STDERR;
86		129
87	# read virtual server time, if available	130	# read virtual server time, if available
88	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	131	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
89	open my $fh, "<", cf::localdir . "/runtime"	132	open my $fh, "<", "$LOCALDIR/runtime"
90	or die "unable to read runtime file: $!";	133	or die "unable to read runtime file: $!";
91	$RUNTIME = <$fh> + 0.;	134	$RUNTIME = <$fh> + 0.;
92	}	135	}
93		136
94	mkdir cf::localdir;	137	mkdir $_
95	mkdir cf::localdir . "/" . cf::playerdir;	138	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
96	mkdir cf::localdir . "/" . cf::tmpdir;
97	mkdir cf::localdir . "/" . cf::uniquedir;
98	mkdir $RANDOM_MAPS;
99	mkdir $BDB_ENV_DIR;
100		139
101	our $EMERGENCY_POSITION;	140	our $EMERGENCY_POSITION;
102		141
103	sub cf::map::normalise;	142	sub cf::map::normalise;
104		143
…		…
115	=item $cf::RUNTIME	154	=item $cf::RUNTIME
116		155
117	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
118	every server tick.	157	every server tick.
119		158
120	=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
121		162
122	The perl library directory, where extensions and cf-specific modules can	163	Various directories - "/etc", read-only install directory, perl-library
123	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.
124		167
125	=item $cf::NOW	168	=item $cf::NOW
126		169
127	The time of the last (current) server tick.	170	The time of the last (current) server tick.
128		171
129	=item $cf::TICK	172	=item $cf::TICK
130		173
131	The interval between server ticks, in seconds.	174	The interval between server ticks, in seconds.
132		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
133	=item %cf::CFG	186	=item %cf::CFG
134		187
135	Configuration for the server, loaded from C</etc/crossfire/config>, or	188	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
136	from wherever your confdir points to.	189	from wherever your confdir points to.
137		190
138	=item cf::wait_for_tick, cf::wait_for_tick_begin	191	=item cf::wait_for_tick, cf::wait_for_tick_begin
139		192
140	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	193	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
141	returns directly I<after> the tick processing (and consequently, can only wake one process	194	returns directly I<after> the tick processing (and consequently, can only wake one process
142	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	195	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
143		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.
		202
144	=back	203	=back
145		204
146	=cut	205	=cut
147		206
148	BEGIN {	207	BEGIN {
149	*CORE::GLOBAL::warn = sub {	208	*CORE::GLOBAL::warn = sub {
150	my $msg = join "", @_;	209	my $msg = join "", @_;
151	utf8::encode $msg;
152		210
153	$msg .= "\n"	211	$msg .= "\n"
154	unless $msg =~ /\n$/;	212	unless $msg =~ /\n$/;
155		213
		214	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		215
156	LOG llevError, $msg;	216	LOG llevError, $msg;
157	};	217	};
158	}	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#?
159		234
160	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	235	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
161	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	236	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
162	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	237	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
163	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	238	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
164	@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';
165	@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)
166		242
167	# 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
168	# within the Safe compartment.	244	# within the Safe compartment.
169	for my $pkg (qw(	245	for my $pkg (qw(
170	cf::global cf::attachable	246	cf::global cf::attachable
171	cf::object cf::object::player	247	cf::object cf::object::player
172	cf::client cf::player	248	cf::client cf::player
173	cf::arch cf::living	249	cf::arch cf::living
		250	cf::map cf::mapspace
174	cf::map cf::party cf::region	251	cf::party cf::region
175	)) {	252	)) {
176	no strict 'refs';
177	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	253	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
178	}	254	}
179		255
180	$Event::DIED = sub {	256	$EV::DIED = sub {
181	warn "error in event callback: @_";	257	warn "error in event callback: @_";
182	};	258	};
		259
		260	#############################################################################
183		261
184	=head2 UTILITY FUNCTIONS	262	=head2 UTILITY FUNCTIONS
185		263
186	=over 4	264	=over 4
187		265
…		…
206	$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;
207	$d	285	$d
208	} || "[unable to dump $_[0]: '$@']";	286	} || "[unable to dump $_[0]: '$@']";
209	}	287	}
210		288
211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
212
213	=item $ref = cf::from_json $json	289	=item $ref = cf::decode_json $json
214		290
215	Converts a JSON string into the corresponding perl data structure.	291	Converts a JSON string into the corresponding perl data structure.
216		292
217	=item $json = cf::to_json $ref	293	=item $json = cf::encode_json $ref
218		294
219	Converts a perl data structure into its JSON representation.	295	Converts a perl data structure into its JSON representation.
		296
		297	=cut
		298
		299	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		300
		301	sub encode_json($) { $json_coder->encode ($_[0]) }
		302	sub decode_json($) { $json_coder->decode ($_[0]) }
220		303
221	=item cf::lock_wait $string	304	=item cf::lock_wait $string
222		305
223	Wait until the given lock is available. See cf::lock_acquire.	306	Wait until the given lock is available. See cf::lock_acquire.
224		307
…		…
227	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
228	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,
229	for example when the coroutine gets canceled), the lock is automatically	312	for example when the coroutine gets canceled), the lock is automatically
230	returned.	313	returned.
231		314
		315	Locks are *not* recursive, locking from the same coro twice results in a
		316	deadlocked coro.
		317
232	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
233	uses map_find and cf::map::load uses map_load).	319	uses map_find and cf::map::load uses map_load).
234		320
		321	=item $locked = cf::lock_active $string
		322
		323	Return true if the lock is currently active, i.e. somebody has locked it.
		324
235	=cut	325	=cut
236		326
237	our %LOCK;	327	our %LOCK;
		328	our %LOCKER;#d#
238		329
239	sub lock_wait($) {	330	sub lock_wait($) {
240	my ($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#
241		337
242	# wait for lock, if any	338	# wait for lock, if any
243	while ($LOCK{$key}) {	339	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;	340	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;	341	Coro::schedule;
…		…
251		347
252	# wait, to be sure we are not locked	348	# wait, to be sure we are not locked
253	lock_wait $key;	349	lock_wait $key;
254		350
255	$LOCK{$key} = [];	351	$LOCK{$key} = [];
		352	$LOCKER{$key} = $Coro::current;#d#
256		353
257	Coro::guard {	354	Coro::guard {
		355	delete $LOCKER{$key};#d#
258	# wake up all waiters, to be on the safe side	356	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	357	$_->ready for @{ delete $LOCK{$key} };
260	}	358	}
261	}	359	}
262		360
		361	sub lock_active($) {
		362	my ($key) = @_;
		363
		364	! ! $LOCK{$key}
		365	}
		366
263	sub freeze_mainloop {	367	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
265		369
266	my $guard = Coro::guard {	370	Coro::guard \&tick_inhibit_dec;
267	$TICK_WATCHER->start;	371	}
		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($$) {
		381	my ($interval, $cb) = @_;
		382
		383	my $start = rand List::Util::min 180, $interval;
		384
		385	EV::periodic $start, $interval, 0, $cb
		386	}
		387
		388	=item cf::get_slot $time[, $priority[, $name]]
		389
		390	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		391	This call blocks and returns only when you have at least C<$time> seconds
		392	of cpu time till the next tick. The slot is only valid till the next cede.
		393
		394	The optional C<$name> can be used to identify the job to run. It might be
		395	used for statistical purposes and should identify the same time-class.
		396
		397	Useful for short background jobs.
		398
		399	=cut
		400
		401	our @SLOT_QUEUE;
		402	our $SLOT_QUEUE;
		403
		404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		405	$SLOT_QUEUE = Coro::async {
		406	$Coro::current->desc ("timeslot manager");
		407
		408	my $signal = new Coro::Signal;
		409
		410	while () {
		411	next_job:
		412	my $avail = cf::till_tick;
		413	if ($avail > 0.01) {
		414	for (0 .. $#SLOT_QUEUE) {
		415	if ($SLOT_QUEUE[$_][0] < $avail) {
		416	my $job = splice @SLOT_QUEUE, $_, 1, ();
		417	$job->[2]->send;
		418	Coro::cede;
		419	goto next_job;
		420	}
		421	}
		422	}
		423
		424	if (@SLOT_QUEUE) {
		425	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		426	push @cf::WAIT_FOR_TICK, $signal;
		427	$signal->wait;
		428	} else {
		429	Coro::schedule;
		430	}
268	};	431	}
269	$TICK_WATCHER->stop;	432	};
270	$guard	433
		434	sub get_slot($;$$) {
		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	$sig->wait;
271	}	446	}
272		447
273	=item cf::async { BLOCK }	448	=item cf::async { BLOCK }
274		449
275	Currently the same as Coro::async_pool, meaning you cannot use	450	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		455
281	BEGIN { *async = \&Coro::async_pool }	456	BEGIN { *async = \&Coro::async_pool }
282		457
283	=item cf::sync_job { BLOCK }	458	=item cf::sync_job { BLOCK }
284		459
285	The design of crossfire+ requires that the main coro ($Coro::main) is	460	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	461	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	462	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		463	acceptable.
288		464
289	If it must be done, put the blocking parts into C<sync_job>. This will run	465	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	466	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	467	server will be frozen during this time, so the block should either finish
292	fast or be very important.	468	fast or be very important.
…		…
295		471
296	sub sync_job(&) {	472	sub sync_job(&) {
297	my ($job) = @_;	473	my ($job) = @_;
298		474
299	if ($Coro::current == $Coro::main) {	475	if ($Coro::current == $Coro::main) {
		476	my $time = EV::time;
		477
300	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
302		480
303	# TODO: use suspend/resume instead	481	LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	482
305	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
306		484
307	my $busy = 1;	485	my $busy = 1;
308	my @res;	486	my @res;
309		487
310	(async {	488	(async {
		489	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	490	@res = eval { $job->() };
312	warn $@ if $@;	491	warn $@ if $@;
313	undef $busy;	492	undef $busy;
314	})->prio (Coro::PRIO_MAX);	493	})->prio (Coro::PRIO_MAX);
315		494
316	while ($busy) {	495	while ($busy) {
317	Coro::cede or Event::one_event;	496	if (Coro::nready) {
		497	Coro::cede_notself;
		498	} else {
		499	EV::loop EV::LOOP_ONESHOT;
318	}	500	}
		501	}
		502
		503	my $time = EV::time - $time;
		504
		505	$TICK_START += $time; # do not account sync jobs to server load
319		506
320	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
321	} else {	508	} else {
322	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
323		510
…		…
343	$EXT_CORO{$coro+0} = $coro;	530	$EXT_CORO{$coro+0} = $coro;
344		531
345	$coro	532	$coro
346	}	533	}
347		534
348	sub write_runtime {	535	=item fork_call { }, $args
349	my $guard = cf::lock_acquire "write_runtime";
350		536
351	my $runtime = cf::localdir . "/runtime";	537	Executes the given code block with the given arguments in a seperate
		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.
352		541
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	542	=cut
354	or return;
355		543
356	my $value = $cf::RUNTIME + 90 + 10;	544	sub fork_call(&@) {
357	# 10 is the runtime save interval, for a monotonic clock	545	my ($cb, @args) = @_;
358	# 60 allows for the watchdog to kill the server.
359		546
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	547	# we seemingly have to make a local copy of the whole thing,
361	and return;	548	# otherwise perl prematurely frees the stuff :/
		549	# TODO: investigate and fix (likely this will be rather laborious)
362		550
363	# always fsync - this file is important	551	my @res = Coro::Util::fork_eval {
364	aio_fsync $fh	552	reset_signals;
365	and return;	553	&$cb
		554	}, @args;
366		555
367	close $fh	556	wantarray ? @res : $res[-1]
368	or return;	557	}
369		558
370	aio_rename "$runtime~", $runtime	559	=item $coin = coin_from_name $name
371	and return;
372		560
		561	=cut
		562
		563	our %coin_alias = (
		564	"silver" => "silvercoin",
		565	"silvercoin" => "silvercoin",
		566	"silvercoins" => "silvercoin",
		567	"gold" => "goldcoin",
		568	"goldcoin" => "goldcoin",
		569	"goldcoins" => "goldcoin",
		570	"platinum" => "platinacoin",
		571	"platinumcoin" => "platinacoin",
		572	"platinumcoins" => "platinacoin",
		573	"platina" => "platinacoin",
		574	"platinacoin" => "platinacoin",
		575	"platinacoins" => "platinacoin",
		576	"royalty" => "royalty",
		577	"royalties" => "royalty",
		578	);
		579
		580	sub coin_from_name($) {
		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($$) {
		628	my $key = "$_[0]/$_[1]";
		629
		630	cf::sync_job {
		631	BDB::db_get $DB, undef, $key, my $data;
		632
		633	$! ? ()
		634	: $data
373	1	635	}
		636	}
		637
		638	sub db_put($$$) {
		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"
374	}	711	}
375		712
376	=item cf::datalog type => key => value, ...	713	=item cf::datalog type => key => value, ...
377		714
378	Log a datalog packet of the given type with the given key-value pairs.	715	Log a datalog packet of the given type with the given key-value pairs.
…		…
396	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")
397	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
398		735
399	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>
400	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
401	crossfire+).	738	Deliantra).
402		739
403	=over 4	740	=over 4
404		741
405	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
406		743
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	906	$registry = $CB_TYPE[$object_type] ||= [];
570		907
571	} elsif ($type eq "subtype") {	908	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	909	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	910	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	911	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		912
576	} elsif ($type eq "package") {	913	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	914	my $pkg = shift @arg;
578		915
579	while (my ($name, $id) = each %cb_id) {	916	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	945	_attach $registry, $klass, @attach;
609	}	946	}
610		947
611	$obj->{$name} = \%arg;	948	$obj->{$name} = \%arg;
612	} else {	949	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	950	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	951	}
615		952
616	$obj->{_attachment}{$name} = undef;	953	$obj->{_attachment}{$name} = undef;
617	}	954	}
618		955
…		…
620	if (ref $_[0]) {	957	if (ref $_[0]) {
621	_object_attach @_;	958	_object_attach @_;
622	} else {	959	} else {
623	_attach shift->_attach_registry, @_;	960	_attach shift->_attach_registry, @_;
624	}	961	}
		962	_recalc_want;
625	};	963	};
626		964
627	# all those should be optimised	965	# all those should be optimised
628	sub cf::attachable::detach {	966	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	967	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	970	delete $obj->{_attachment}{$name};
633	reattach ($obj);	971	reattach ($obj);
634	} else {	972	} else {
635	Carp::croak "cannot, currently, detach class attachments";	973	Carp::croak "cannot, currently, detach class attachments";
636	}	974	}
		975	_recalc_want;
637	};	976	};
638		977
639	sub cf::attachable::attached {	978	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	979	my ($obj, $name) = @_;
641		980
…		…
656	";	995	";
657	die if $@;	996	die if $@;
658	}	997	}
659		998
660	our $override;	999	our $override;
661	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?
662		1001
663	sub override {	1002	sub override {
664	$override = 1;	1003	$override = 1;
665	@invoke_results = ();	1004	@INVOKE_RESULTS = (@_);
666	}	1005	}
667		1006
668	sub do_invoke {	1007	sub do_invoke {
669	my $event = shift;	1008	my $event = shift;
670	my $callbacks = shift;	1009	my $callbacks = shift;
671		1010
672	@invoke_results = ();	1011	@INVOKE_RESULTS = ();
673		1012
674	local $override;	1013	local $override;
675		1014
676	for (@$callbacks) {	1015	for (@$callbacks) {
677	eval { &{$_->[1]} };	1016	eval { &{$_->[1]} };
…		…
686	}	1025	}
687		1026
688	0	1027	0
689	}	1028	}
690		1029
691	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
692		1031
693	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
694		1033
695	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
696		1035
697	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
698	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
699	results (if you must, access C<@cf::invoke_results> directly).	1038	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		1039
701	=back	1040	=back
702		1041
703	=cut	1042	=cut
704		1043
705	#############################################################################	1044	#############################################################################
706	# 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, $ob2
		1087	}
707		1088
708	sub reattach {	1089	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1091	my ($obj) = @_;
711		1092
		1093	# no longer needed after getting rid of delete_package?
712	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
713		1095
714	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
715		1097
716	@$registry = ();	1098	@$registry = ();
717		1099
…		…
732	cf::attachable->attach (	1114	cf::attachable->attach (
733	prio => -1000000,	1115	prio => -1000000,
734	on_instantiate => sub {	1116	on_instantiate => sub {
735	my ($obj, $data) = @_;	1117	my ($obj, $data) = @_;
736		1118
737	$data = from_json $data;	1119	$data = decode_json $data;
738		1120
739	for (@$data) {	1121	for (@$data) {
740	my ($name, $args) = @$_;	1122	my ($name, $args) = @$_;
741		1123
742	$obj->attach ($name, %{$args || {} });	1124	$obj->attach ($name, %{$args || {} });
…		…
758	sub object_freezer_save {	1140	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1141	my ($filename, $rdata, $objs) = @_;
760		1142
761	sync_job {	1143	sync_job {
762	if (length $$rdata) {	1144	if (length $$rdata) {
		1145	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
765		1148
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	aio_fsync $fh if $cf::USE_FSYNC;	1152	aio_fsync $fh if $cf::USE_FSYNC;
770	close $fh;	1153	aio_close $fh;
771		1154
772	if (@$objs) {	1155	if (@$objs) {
773	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) {
774	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
777	aio_fsync $fh if $cf::USE_FSYNC;	1160	aio_fsync $fh if $cf::USE_FSYNC;
778	close $fh;	1161	aio_close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
780	}	1163	}
781	} else {	1164	} else {
782	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
783	}	1166	}
…		…
788	}	1171	}
789	} else {	1172	} else {
790	aio_unlink $filename;	1173	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1174	aio_unlink "$filename.pst";
792	}	1175	}
793	}	1176	};
794	}	1177	}
795		1178
796	sub object_freezer_as_string {	1179	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1180	my ($rdata, $objs) = @_;
798		1181
…		…
810	or return;	1193	or return;
811		1194
812	unless (aio_stat "$filename.pst") {	1195	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1196	(aio_load "$filename.pst", $av) >= 0
814	or return;	1197	or return;
		1198
815	$av = eval { (Storable::thaw $av)->{objs} };	1199	my $st = eval { Coro::Storable::thaw $av };
		1200	$av = $st->{objs};
816	}	1201	}
817		1202
		1203	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1204	warn sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1205	$decname, length $data, scalar @{$av || []};
		1206
820	return ($data, $av);	1207	($data, $av)
821	}	1208	}
		1209
		1210	=head2 COMMAND CALLBACKS
		1211
		1212	=over 4
		1213
		1214	=cut
822		1215
823	#############################################################################	1216	#############################################################################
824	# command handling &c	1217	# command handling &c
825		1218
826	=item cf::register_command $name => \&callback($ob,$args);	1219	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1232	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1233	}
841		1234
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1235	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1236
844	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.
845		1242
846	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
847	called.	1244	called.
848		1245
		1246	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1247
		1248	Register a callback for execution when the client sends an (asynchronous)
		1249	exticmd packet. Exti commands are processed by the server as soon as they
		1250	are received, i.e. out of order w.r.t. other commands. The first argument
		1251	is a client socket. Exti commands can be received anytime, even before
		1252	log-in.
		1253
		1254	If the callback returns something, it is sent back as if reply was being
		1255	called.
		1256
849	=cut	1257	=cut
850		1258
851	sub register_extcmd {	1259	sub register_extcmd {
852	my ($name, $cb) = @_;	1260	my ($name, $cb) = @_;
853		1261
854	$EXTCMD{$name} = $cb;	1262	$EXTCMD{$name} = $cb;
		1263	}
		1264
		1265	sub register_exticmd {
		1266	my ($name, $cb) = @_;
		1267
		1268	$EXTICMD{$name} = $cb;
855	}	1269	}
856		1270
857	cf::player->attach (	1271	cf::player->attach (
858	on_command => sub {	1272	on_command => sub {
859	my ($pl, $name, $params) = @_;	1273	my ($pl, $name, $params) = @_;
…		…
868	cf::override;	1282	cf::override;
869	},	1283	},
870	on_extcmd => sub {	1284	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1285	my ($pl, $buf) = @_;
872		1286
873	my $msg = eval { from_json $buf };	1287	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1288
875	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
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1297	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1298	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1299	}
		1300
		1301	$pl->ext_reply ($reply, @reply)
		1302	if $reply;
		1303
881	} else {	1304	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1305	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1306	}
884		1307
885	cf::override;	1308	cf::override;
886	},	1309	},
887	);	1310	);
888		1311
889	sub load_extension {
890	my ($path) = @_;
891
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
893	my $base = $1;
894	my $pkg = $1;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}
917	die $@;
918	}
919
920	push @EXTS, $pkg;
921	}
922
923	sub load_extensions {	1312	sub load_extensions {
		1313	cf::sync_job {
		1314	my %todo;
		1315
924	for my $ext (<$LIBDIR/*.ext>) {	1316	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1317	next unless -r $path;
926	eval {	1318
927	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	$progress = 1;
928	1	1375	}
929	} or warn "$ext not loaded: $@";	1376
		1377	skip:
		1378	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1379	unless $progress;
		1380	}
930	}	1381	};
931	}	1382	}
932		1383
933	#############################################################################	1384	#############################################################################
934		1385
		1386	=back
		1387
935	=head2 CORE EXTENSIONS	1388	=head2 CORE EXTENSIONS
936		1389
937	Functions and methods that extend core crossfire objects.	1390	Functions and methods that extend core crossfire objects.
938		1391
939	=cut	1392	=cut
…		…
944		1397
945	=head3 cf::player	1398	=head3 cf::player
946		1399
947	=over 4	1400	=over 4
948		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
949	=item cf::player::find $login	1416	=item cf::player::find $login
950		1417
951	Returns the given player object, loading it if necessary (might block).	1418	Returns the given player object, loading it if necessary (might block).
952		1419
953	=cut	1420	=cut
954		1421
955	sub playerdir($) {	1422	sub playerdir($) {
956	cf::localdir	1423	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1424	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1425	}
962		1426
963	sub path($) {	1427	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1428	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
991	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1455	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
992	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1456	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
993	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1457	aio_unlink +(playerdir $login) . "/$login.pl.pst";
994	aio_unlink +(playerdir $login) . "/$login.pl";	1458	aio_unlink +(playerdir $login) . "/$login.pl";
995		1459
996	my $pl = load_pl path $login	1460	my $f = new_from_file cf::object::thawer path $login
997	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;
998	$cf::PLAYER{$login} = $pl	1468	$cf::PLAYER{$login} = $pl
999	}	1469	}
1000	}	1470	}
1001	}	1471	}
1002		1472
…		…
1011	return if $pl->{deny_save};	1481	return if $pl->{deny_save};
1012		1482
1013	aio_mkdir playerdir $pl, 0770;	1483	aio_mkdir playerdir $pl, 0770;
1014	$pl->{last_save} = $cf::RUNTIME;	1484	$pl->{last_save} = $cf::RUNTIME;
1015		1485
		1486	cf::get_slot 0.01;
		1487
1016	$pl->save_pl ($path);	1488	$pl->save_pl ($path);
1017	Coro::cede;	1489	cf::cede_to_tick;
1018	}	1490	}
1019		1491
1020	sub new($) {	1492	sub new($) {
1021	my ($login) = @_;	1493	my ($login) = @_;
1022		1494
…		…
1028	$cf::PLAYER{$login} = $self;	1500	$cf::PLAYER{$login} = $self;
1029		1501
1030	$self	1502	$self
1031	}	1503	}
1032		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
1033	=item $pl->quit_character	1515	=item $pl->quit_character
1034		1516
1035	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
1036	be destroyed. May block for a long time.	1518	be destroyed. May block for a long time.
1037		1519
…		…
1045	$pl->{deny_save} = 1;	1527	$pl->{deny_save} = 1;
1046	$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
1047		1529
1048	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1530	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1049	$pl->deactivate;	1531	$pl->deactivate;
		1532	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1533	$pl->ob->check_score;
1050	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1534	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1051	$pl->ns->destroy if $pl->ns;	1535	$pl->ns->destroy if $pl->ns;
1052		1536
1053	my $path = playerdir $pl;	1537	my $path = playerdir $pl;
1054	my $temp = "$path~$cf::RUNTIME~deleting~";	1538	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1084	while and may block, so not sync_job-capable, ever.	1568	while and may block, so not sync_job-capable, ever.
1085		1569
1086	=cut	1570	=cut
1087		1571
1088	sub list_logins {	1572	sub list_logins {
1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1573	my $dirs = aio_readdir $PLAYERDIR
1090	or return [];	1574	or return [];
1091		1575
1092	my @logins;	1576	my @logins;
1093		1577
1094	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") {
1095	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1584	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1096	aio_read $fh, 0, 512, my $buf, 0 or next;	1585	aio_read $fh, 0, 512, my $buf, 0 or next;
1097	$buf !~ /^password -------------$/m or next; # official not-valid tag	1586	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1587	}
1098		1588
1099	utf8::decode $login;	1589	utf8::decode $login;
1100	push @logins, $login;	1590	push @logins, $login;
1101	}	1591	}
1102		1592
…		…
1129	}	1619	}
1130		1620
1131	\@paths	1621	\@paths
1132	}	1622	}
1133		1623
		1624	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1625
		1626	Expand crossfire pod fragments into protocol xml.
		1627
		1628	=cut
		1629
		1630	sub expand_cfpod {
		1631	my ($self, $pod) = @_;
		1632
		1633	my @nest = [qr<\G$>, undef, ""];
		1634	my $xml;
		1635
		1636	for ($pod) {
		1637	while () {
		1638	if (/\G( (?: [^BCEGHITUZ&>\n\ ]+ | [BCEGHITUZ](?!<) | \ (?!>) )+ )/xgcs) {
		1639	$xml .= $1;
		1640	} elsif (/\G\n(?=\S)/xgcs) {
		1641	$xml .= " ";
		1642	} elsif (/\G\n/xgcs) {
		1643	$xml .= "\n";
		1644	} elsif (/\G ([BCEGHITUZ]) (< (?: <+\ | (?!<) ) )/xgcs) {
		1645	my ($code, $delim) = ($1, scalar reverse $2);
		1646	$delim =~ y/</>/; # delim now contains the stop sequence
		1647	$delim = qr{\G\Q$delim};
		1648
		1649	my $cb;
		1650
		1651	if ($code eq "B") {
		1652	$cb = sub { "<b>$_[0]</b>" };
		1653	} elsif ($code eq "C") {
		1654	$cb = sub { "<tt>$_[0]</tt>" };
		1655	} elsif ($code eq "E") {
		1656	$cb = sub { warn "E<$_[0]>\n";"&$_[0];" };
		1657	} elsif ($code eq "G") {
		1658	$cb = sub {
		1659	my ($male, $female) = split /\|/, $_[0];
		1660	$self->gender ? $female : $male
		1661	};
		1662	} elsif ($code eq "H") {
		1663	$cb = sub {
		1664	(
		1665	"<fg name=\"lightblue\">[$_[0] (Use hintmode to suppress hints)]</fg>",
		1666	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1667	"",
		1668	)[$self->{hintmode}];
		1669	};
		1670	} elsif ($code eq "I") {
		1671	$cb = sub { "<i>$_[0]</i>" };
		1672	} elsif ($code eq "T") {
		1673	$cb = sub { "<big><b>$_[0]</b></big>" };
		1674	} elsif ($code eq "U") {
		1675	$cb = sub { "<u>$_[0]</u>" };
		1676	} elsif ($code eq "Z") {
		1677	$cb = sub { };
		1678	} else {
		1679	die "FATAL error in expand_cfpod";
		1680	}
		1681
		1682	push @nest, [$delim, $cb, $xml];
		1683	undef $xml;
		1684
		1685	} elsif ($_ =~ /$nest[-1][0]/gcs) {
		1686	my $nest = pop @nest;
		1687
		1688	if ($nest->[1]) {
		1689	$xml = $nest->[2] . $nest->[1]->($xml);
		1690	} else {
		1691	last;
		1692	}
		1693	} elsif (/\G</xgcs) {
		1694	$xml .= "&lt;";
		1695	} elsif (/\G&/xgcs) {
		1696	$xml .= "&amp;";
		1697	} elsif (/\G>/xgcs) {
		1698	$xml .= ">";
		1699	} else {
		1700	if ($pod =~ /\G(.+)/xgcs) {
		1701	warn "parse error (at $1)($nest[-1][0]) while expanding cfpod:\n$pod";
		1702	last;
		1703	} else {
		1704	warn "parse error (unclosed interior sequence at end of cfpod) while expanding cfpod:\n$pod";
		1705	return "<b>Sorry, the server encountered an internal error when formatting this message, please report this.</b>";
		1706	}
		1707	}
		1708	}
		1709	}
		1710
		1711	$xml
		1712	}
		1713
		1714	sub hintmode {
		1715	$_[0]{hintmode} = $_[1] if @_ > 1;
		1716	$_[0]{hintmode}
		1717	}
		1718
1134	=item $player->ext_reply ($msgid, %msg)	1719	=item $player->ext_reply ($msgid, @msg)
1135		1720
1136	Sends an ext reply to the player.	1721	Sends an ext reply to the player.
1137		1722
1138	=cut	1723	=cut
1139		1724
1140	sub ext_reply($$%) {	1725	sub ext_reply($$@) {
1141	my ($self, $id, %msg) = @_;	1726	my ($self, $id, @msg) = @_;
1142		1727
1143	$msg{msgid} = $id;	1728	$self->ns->ext_reply ($id, @msg)
1144
1145	$self->send ("ext " . cf::to_json \%msg);
1146	}	1729	}
1147		1730
1148	=item $player->ext_event ($type, %msg)	1731	=item $player->ext_msg ($type, @msg)
1149		1732
1150	Sends an ext event to the client.	1733	Sends an ext event to the client.
1151		1734
1152	=cut	1735	=cut
1153		1736
1154	sub ext_event($$%) {	1737	sub ext_msg($$@) {
1155	my ($self, $type, %msg) = @_;	1738	my ($self, $type, @msg) = @_;
1156		1739
1157	$self->ns->ext_event ($type, %msg);	1740	$self->ns->ext_msg ($type, @msg);
1158	}	1741	}
1159		1742
1160	=head3 cf::region	1743	=head3 cf::region
1161		1744
1162	=over 4	1745	=over 4
…		…
1165		1748
1166	package cf::region;	1749	package cf::region;
1167		1750
1168	=item cf::region::find_by_path $path	1751	=item cf::region::find_by_path $path
1169		1752
1170	Tries to decuce the probable region for a map knowing only its path.	1753	Tries to decuce the likely region for a map knowing only its path.
1171		1754
1172	=cut	1755	=cut
1173		1756
1174	sub find_by_path($) {	1757	sub find_by_path($) {
1175	my ($path) = @_;	1758	my ($path) = @_;
1176		1759
1177	my ($match, $specificity);	1760	my ($match, $specificity);
1178		1761
1179	for my $region (list) {	1762	for my $region (list) {
1180	if ($region->match && $path =~ $region->match) {	1763	if ($region->{match} && $path =~ $region->{match}) {
1181	($match, $specificity) = ($region, $region->specificity)	1764	($match, $specificity) = ($region, $region->specificity)
1182	if $region->specificity > $specificity;	1765	if $region->specificity > $specificity;
1183	}	1766	}
1184	}	1767	}
1185		1768
…		…
1206	our $MAX_RESET = 3600;	1789	our $MAX_RESET = 3600;
1207	our $DEFAULT_RESET = 3000;	1790	our $DEFAULT_RESET = 3000;
1208		1791
1209	sub generate_random_map {	1792	sub generate_random_map {
1210	my ($self, $rmp) = @_;	1793	my ($self, $rmp) = @_;
		1794
		1795	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1796
1211	# mit "rum" bekleckern, nicht	1797	# mit "rum" bekleckern, nicht
1212	$self->_create_random_map (	1798	$self->_create_random_map (
1213	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1799	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1214	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1800	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1215	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1801	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1249	my ($self, $merge) = @_;	1835	my ($self, $merge) = @_;
1250		1836
1251	# we have to keep some variables in memory intact	1837	# we have to keep some variables in memory intact
1252	local $self->{path};	1838	local $self->{path};
1253	local $self->{load_path};	1839	local $self->{load_path};
1254	local $self->{deny_save};
1255	local $self->{deny_reset};
1256		1840
1257	$self->SUPER::thawer_merge ($merge);	1841	$self->SUPER::thawer_merge ($merge);
1258	}	1842	}
1259		1843
1260	sub normalise {	1844	sub normalise {
…		…
1307	$self->init; # pass $1 etc.	1891	$self->init; # pass $1 etc.
1308	return $self;	1892	return $self;
1309	}	1893	}
1310	}	1894	}
1311		1895
1312	Carp::carp "unable to resolve path '$path' (base '$base').";	1896	Carp::cluck "unable to resolve path '$path' (base '$base').";
1313	()	1897	()
1314	}	1898	}
1315		1899
1316	sub init {	1900	sub init {
1317	my ($self) = @_;	1901	my ($self) = @_;
…		…
1332		1916
1333	# the original (read-only) location	1917	# the original (read-only) location
1334	sub load_path {	1918	sub load_path {
1335	my ($self) = @_;	1919	my ($self) = @_;
1336		1920
1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1921	"$MAPDIR/$self->{path}.map"
1338	}	1922	}
1339		1923
1340	# the temporary/swap location	1924	# the temporary/swap location
1341	sub save_path {	1925	sub save_path {
1342	my ($self) = @_;	1926	my ($self) = @_;
1343		1927
1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1928	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1929	"$TMPDIR/$path.map"
1346	}	1930	}
1347		1931
1348	# the unique path, undef == no special unique path	1932	# the unique path, undef == no special unique path
1349	sub uniq_path {	1933	sub uniq_path {
1350	my ($self) = @_;	1934	my ($self) = @_;
1351		1935
1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1936	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1937	"$UNIQUEDIR/$path"
1354	}	1938	}
1355		1939
1356	# and all this just because we cannot iterate over	1940	# and all this just because we cannot iterate over
1357	# all maps in C++...	1941	# all maps in C++...
1358	sub change_all_map_light {	1942	sub change_all_map_light {
…		…
1360		1944
1361	$_->change_map_light ($change)	1945	$_->change_map_light ($change)
1362	for grep $_->outdoor, values %cf::MAP;	1946	for grep $_->outdoor, values %cf::MAP;
1363	}	1947	}
1364		1948
		1949	sub decay_objects {
		1950	my ($self) = @_;
		1951
		1952	return if $self->{deny_reset};
		1953
		1954	$self->do_decay_objects;
		1955	}
		1956
1365	sub unlink_save {	1957	sub unlink_save {
1366	my ($self) = @_;	1958	my ($self) = @_;
1367		1959
1368	utf8::encode (my $save = $self->save_path);	1960	utf8::encode (my $save = $self->save_path);
1369	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1961	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1372		1964
1373	sub load_header_from($) {	1965	sub load_header_from($) {
1374	my ($self, $path) = @_;	1966	my ($self, $path) = @_;
1375		1967
1376	utf8::encode $path;	1968	utf8::encode $path;
1377	#aio_open $path, O_RDONLY, 0	1969	my $f = new_from_file cf::object::thawer $path
1378	# or return;
1379
1380	$self->_load_header ($path)
1381	or return;	1970	or return;
		1971
		1972	$self->_load_header ($f)
		1973	or return;
		1974
		1975	local $MAP_LOADING{$self->{path}} = $self;
		1976	$f->resolve_delayed_derefs;
1382		1977
1383	$self->{load_path} = $path;	1978	$self->{load_path} = $path;
1384		1979
1385	1	1980	1
1386	}	1981	}
…		…
1425	$self->load_header_orig	2020	$self->load_header_orig
1426	or return;	2021	or return;
1427	$self->prepare_orig;	2022	$self->prepare_orig;
1428	}	2023	}
1429		2024
		2025	$self->{deny_reset} = 1
		2026	if $self->no_reset;
		2027
1430	$self->default_region (cf::region::find_by_path $self->{path})	2028	$self->default_region (cf::region::find_by_path $self->{path})
1431	unless $self->default_region;	2029	unless $self->default_region;
1432		2030
1433	1	2031	1
1434	}	2032	}
…		…
1437	sub find {	2035	sub find {
1438	my ($path, $origin) = @_;	2036	my ($path, $origin) = @_;
1439		2037
1440	$path = normalise $path, $origin && $origin->path;	2038	$path = normalise $path, $origin && $origin->path;
1441		2039
		2040	cf::lock_wait "map_data:$path";#d#remove
1442	cf::lock_wait "map_find:$path";	2041	cf::lock_wait "map_find:$path";
1443		2042
1444	$cf::MAP{$path} || do {	2043	$cf::MAP{$path} || do {
		2044	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1445	my $guard = cf::lock_acquire "map_find:$path";	2045	my $guard2 = cf::lock_acquire "map_find:$path";
		2046
1446	my $map = new_from_path cf::map $path	2047	my $map = new_from_path cf::map $path
1447	or return;	2048	or return;
1448		2049
1449	$map->{last_save} = $cf::RUNTIME;	2050	$map->{last_save} = $cf::RUNTIME;
1450		2051
1451	$map->load_header	2052	$map->load_header
1452	or return;	2053	or return;
1453		2054
1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2055	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455	# doing this can freeze the server in a sync job, obviously	2056	# doing this can freeze the server in a sync job, obviously
1456	#$cf::WAIT_FOR_TICK->wait;	2057	#$cf::WAIT_FOR_TICK->wait;
		2058	undef $guard2;
		2059	undef $guard1;
1457	$map->reset;	2060	$map->reset;
1458	undef $guard;
1459	return find $path;	2061	return find $path;
1460	}	2062	}
1461		2063
1462	$cf::MAP{$path} = $map	2064	$cf::MAP{$path} = $map
1463	}	2065	}
…		…
1470	my ($self) = @_;	2072	my ($self) = @_;
1471		2073
1472	local $self->{deny_reset} = 1; # loading can take a long time	2074	local $self->{deny_reset} = 1; # loading can take a long time
1473		2075
1474	my $path = $self->{path};	2076	my $path = $self->{path};
		2077
		2078	{
1475	my $guard = cf::lock_acquire "map_load:$path";	2079	my $guard = cf::lock_acquire "map_data:$path";
1476		2080
		2081	return unless $self->valid;
1477	return if $self->in_memory != cf::MAP_SWAPPED;	2082	return unless $self->in_memory == cf::MAP_SWAPPED;
1478		2083
1479	$self->in_memory (cf::MAP_LOADING);	2084	$self->in_memory (cf::MAP_LOADING);
1480		2085
1481	$self->alloc;	2086	$self->alloc;
1482		2087
1483	$self->pre_load;	2088	$self->pre_load;
1484	Coro::cede;	2089	cf::cede_to_tick;
1485		2090
1486	$self->_load_objects ($self->{load_path}, 1)	2091	my $f = new_from_file cf::object::thawer $self->{load_path};
		2092	$f->skip_block;
		2093	$self->_load_objects ($f)
1487	or return;	2094	or return;
1488		2095
1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2096	$self->post_load_original
1490	if delete $self->{load_original};	2097	if delete $self->{load_original};
1491		2098
1492	if (my $uniq = $self->uniq_path) {	2099	if (my $uniq = $self->uniq_path) {
1493	utf8::encode $uniq;	2100	utf8::encode $uniq;
1494	if (aio_open $uniq, O_RDONLY, 0) {	2101	unless (aio_stat $uniq) {
		2102	if (my $f = new_from_file cf::object::thawer $uniq) {
1495	$self->clear_unique_items;	2103	$self->clear_unique_items;
1496	$self->_load_objects ($uniq, 0);	2104	$self->_load_objects ($f);
		2105	$f->resolve_delayed_derefs;
		2106	}
1497	}	2107	}
1498	}	2108	}
1499		2109
1500	Coro::cede;	2110	$f->resolve_delayed_derefs;
		2111
		2112	cf::cede_to_tick;
1501	# now do the right thing for maps	2113	# now do the right thing for maps
1502	$self->link_multipart_objects;	2114	$self->link_multipart_objects;
1503	Coro::cede;
1504
1505	unless ($self->{deny_activate}) {
1506	$self->decay_objects;
1507	$self->fix_auto_apply;
1508	$self->update_buttons;
1509	Coro::cede;
1510	$self->set_darkness_map;
1511	$self->difficulty ($self->estimate_difficulty)	2115	$self->difficulty ($self->estimate_difficulty)
1512	unless $self->difficulty;	2116	unless $self->difficulty;
1513	Coro::cede;	2117	cf::cede_to_tick;
		2118
		2119	unless ($self->{deny_activate}) {
		2120	$self->decay_objects;
		2121	$self->fix_auto_apply;
		2122	$self->update_buttons;
		2123	cf::cede_to_tick;
		2124	$self->set_darkness_map;
		2125	cf::cede_to_tick;
1514	$self->activate;	2126	$self->activate;
1515	Coro::cede;	2127	}
		2128
		2129	$self->{last_save} = $cf::RUNTIME;
		2130	$self->last_access ($cf::RUNTIME);
		2131
		2132	$self->in_memory (cf::MAP_ACTIVE);
1516	}	2133	}
1517		2134
1518	$self->post_load;	2135	$self->post_load;
1519	Coro::cede;
1520
1521	$self->in_memory (cf::MAP_IN_MEMORY);
1522	}	2136	}
1523		2137
1524	sub customise_for {	2138	sub customise_for {
1525	my ($self, $ob) = @_;	2139	my ($self, $ob) = @_;
1526		2140
1527	return find "~" . $ob->name . "/" . $self->{path}	2141	return find "~" . $ob->name . "/" . $self->{path}
1528	if $self->per_player;	2142	if $self->per_player;
1529		2143
		2144	# return find "?party/" . $ob->name . "/" . $self->{path}
		2145	# if $self->per_party;
		2146
1530	$self	2147	$self
1531	}	2148	}
1532		2149
1533	# find and load all maps in the 3x3 area around a map	2150	# find and load all maps in the 3x3 area around a map
1534	sub load_diag {	2151	sub load_neighbours {
1535	my ($map) = @_;	2152	my ($map) = @_;
1536		2153
1537	my @diag; # diagonal neighbours	2154	my @neigh; # diagonal neighbours
1538		2155
1539	for (0 .. 3) {	2156	for (0 .. 3) {
1540	my $neigh = $map->tile_path ($_)	2157	my $neigh = $map->tile_path ($_)
1541	or next;	2158	or next;
1542	$neigh = find $neigh, $map	2159	$neigh = find $neigh, $map
1543	or next;	2160	or next;
1544	$neigh->load;	2161	$neigh->load;
1545		2162
		2163	push @neigh,
1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2164	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2165	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1548	}	2166	}
1549		2167
1550	for (@diag) {	2168	for (grep defined $_->[0], @neigh) {
		2169	my ($path, $origin) = @$_;
1551	my $neigh = find @$_	2170	my $neigh = find $path, $origin
1552	or next;	2171	or next;
1553	$neigh->load;	2172	$neigh->load;
1554	}	2173	}
1555	}	2174	}
1556		2175
…		…
1561	}	2180	}
1562		2181
1563	sub do_load_sync {	2182	sub do_load_sync {
1564	my ($map) = @_;	2183	my ($map) = @_;
1565		2184
		2185	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2186	if $Coro::current == $Coro::main;
		2187
1566	cf::sync_job { $map->load };	2188	cf::sync_job { $map->load };
1567	}	2189	}
1568		2190
1569	our %MAP_PREFETCH;	2191	our %MAP_PREFETCH;
1570	our $MAP_PREFETCHER = undef;	2192	our $MAP_PREFETCHER = undef;
1571		2193
1572	sub find_async {	2194	sub find_async {
1573	my ($path, $origin) = @_;	2195	my ($path, $origin, $load) = @_;
1574		2196
1575	$path = normalise $path, $origin && $origin->{path};	2197	$path = normalise $path, $origin && $origin->{path};
1576		2198
1577	if (my $map = $cf::MAP{$path}) {	2199	if (my $map = $cf::MAP{$path}) {
1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2200	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1579	}	2201	}
1580		2202
1581	undef $MAP_PREFETCH{$path};	2203	$MAP_PREFETCH{$path} |= $load;
		2204
1582	$MAP_PREFETCHER ||= cf::async {	2205	$MAP_PREFETCHER ||= cf::async {
		2206	$Coro::current->{desc} = "map prefetcher";
		2207
1583	while (%MAP_PREFETCH) {	2208	while (%MAP_PREFETCH) {
1584	for my $path (keys %MAP_PREFETCH) {	2209	while (my ($k, $v) = each %MAP_PREFETCH) {
1585	my $map = find $path	2210	if (my $map = find $k) {
1586	or next;
1587	$map->load;	2211	$map->load if $v;
		2212	}
1588		2213
1589	delete $MAP_PREFETCH{$path};	2214	delete $MAP_PREFETCH{$k};
1590	}	2215	}
1591	}	2216	}
1592	undef $MAP_PREFETCHER;	2217	undef $MAP_PREFETCHER;
1593	};	2218	};
1594	$MAP_PREFETCHER->prio (6);	2219	$MAP_PREFETCHER->prio (6);
…		…
1597	}	2222	}
1598		2223
1599	sub save {	2224	sub save {
1600	my ($self) = @_;	2225	my ($self) = @_;
1601		2226
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;	2227	my $lock = cf::lock_acquire "map_data:$self->{path}";
1603		2228
1604	$self->{last_save} = $cf::RUNTIME;	2229	$self->{last_save} = $cf::RUNTIME;
1605		2230
1606	return unless $self->dirty;	2231	return unless $self->dirty;
1607		2232
…		…
1613	return if $self->{deny_save};	2238	return if $self->{deny_save};
1614		2239
1615	local $self->{last_access} = $self->last_access;#d#	2240	local $self->{last_access} = $self->last_access;#d#
1616		2241
1617	cf::async {	2242	cf::async {
		2243	$Coro::current->{desc} = "map player save";
1618	$_->contr->save for $self->players;	2244	$_->contr->save for $self->players;
1619	};	2245	};
		2246
		2247	cf::get_slot 0.02;
1620		2248
1621	if ($uniq) {	2249	if ($uniq) {
1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2250	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1623	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2251	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1624	} else {	2252	} else {
…		…
1630	my ($self) = @_;	2258	my ($self) = @_;
1631		2259
1632	# save first because save cedes	2260	# save first because save cedes
1633	$self->save;	2261	$self->save;
1634		2262
1635	my $lock = cf::lock_acquire "map_data:" . $self->path;	2263	my $lock = cf::lock_acquire "map_data:$self->{path}";
1636		2264
1637	return if $self->players;	2265	return if $self->players;
1638	return if $self->in_memory != cf::MAP_IN_MEMORY;	2266	return if $self->in_memory != cf::MAP_ACTIVE;
1639	return if $self->{deny_save};	2267	return if $self->{deny_save};
1640		2268
		2269	$self->in_memory (cf::MAP_SWAPPED);
		2270
		2271	$self->deactivate;
		2272	$_->clear_links_to ($self) for values %cf::MAP;
1641	$self->clear;	2273	$self->clear;
1642	$self->in_memory (cf::MAP_SWAPPED);
1643	}	2274	}
1644		2275
1645	sub reset_at {	2276	sub reset_at {
1646	my ($self) = @_;	2277	my ($self) = @_;
1647		2278
1648	# TODO: safety, remove and allow resettable per-player maps	2279	# TODO: safety, remove and allow resettable per-player maps
1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
1650	return 1e99 if $self->{deny_reset};	2280	return 1e99 if $self->{deny_reset};
1651		2281
1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2282	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2283	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654		2284
…		…
1665	my ($self) = @_;	2295	my ($self) = @_;
1666		2296
1667	my $lock = cf::lock_acquire "map_data:$self->{path}";	2297	my $lock = cf::lock_acquire "map_data:$self->{path}";
1668		2298
1669	return if $self->players;	2299	return if $self->players;
1670	return if $self->isa ("ext::map_per_player");#d#
1671		2300
1672	warn "resetting map ", $self->path;#d#	2301	warn "resetting map ", $self->path;
1673		2302
1674	$self->in_memory (cf::MAP_SWAPPED);	2303	$self->in_memory (cf::MAP_SWAPPED);
1675		2304
1676	# need to save uniques path	2305	# need to save uniques path
1677	unless ($self->{deny_save}) {	2306	unless ($self->{deny_save}) {
…		…
1681	if $uniq;	2310	if $uniq;
1682	}	2311	}
1683		2312
1684	delete $cf::MAP{$self->path};	2313	delete $cf::MAP{$self->path};
1685		2314
		2315	$self->deactivate;
		2316	$_->clear_links_to ($self) for values %cf::MAP;
1686	$self->clear;	2317	$self->clear;
1687
1688	$_->clear_links_to ($self) for values %cf::MAP;
1689		2318
1690	$self->unlink_save;	2319	$self->unlink_save;
1691	$self->destroy;	2320	$self->destroy;
1692	}	2321	}
1693		2322
1694	my $nuke_counter = "aaaa";	2323	my $nuke_counter = "aaaa";
1695		2324
1696	sub nuke {	2325	sub nuke {
1697	my ($self) = @_;	2326	my ($self) = @_;
1698		2327
		2328	{
		2329	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2330
1699	delete $cf::MAP{$self->path};	2331	delete $cf::MAP{$self->path};
1700		2332
1701	$self->unlink_save;	2333	$self->unlink_save;
1702		2334
1703	bless $self, "cf::map";	2335	bless $self, "cf::map";
1704	delete $self->{deny_reset};	2336	delete $self->{deny_reset};
1705	$self->{deny_save} = 1;	2337	$self->{deny_save} = 1;
1706	$self->reset_timeout (1);	2338	$self->reset_timeout (1);
1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2339	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708		2340
1709	$cf::MAP{$self->path} = $self;	2341	$cf::MAP{$self->path} = $self;
		2342	}
1710		2343
1711	$self->reset; # polite request, might not happen	2344	$self->reset; # polite request, might not happen
		2345	}
		2346
		2347	=item $maps = cf::map::tmp_maps
		2348
		2349	Returns an arrayref with all map paths of currently instantiated and saved
		2350	maps. May block.
		2351
		2352	=cut
		2353
		2354	sub tmp_maps() {
		2355	[
		2356	map {
		2357	utf8::decode $_;
		2358	/\.map$/
		2359	? normalise $_
		2360	: ()
		2361	} @{ aio_readdir $TMPDIR or [] }
		2362	]
		2363	}
		2364
		2365	=item $maps = cf::map::random_maps
		2366
		2367	Returns an arrayref with all map paths of currently instantiated and saved
		2368	random maps. May block.
		2369
		2370	=cut
		2371
		2372	sub random_maps() {
		2373	[
		2374	map {
		2375	utf8::decode $_;
		2376	/\.map$/
		2377	? normalise "?random/$_"
		2378	: ()
		2379	} @{ aio_readdir $RANDOMDIR or [] }
		2380	]
1712	}	2381	}
1713		2382
1714	=item cf::map::unique_maps	2383	=item cf::map::unique_maps
1715		2384
1716	Returns an arrayref of paths of all shared maps that have	2385	Returns an arrayref of paths of all shared maps that have
1717	instantiated unique items. May block.	2386	instantiated unique items. May block.
1718		2387
1719	=cut	2388	=cut
1720		2389
1721	sub unique_maps() {	2390	sub unique_maps() {
1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2391	[
1723	or return;	2392	map {
1724
1725	my @paths;
1726
1727	for (@$files) {
1728	utf8::decode $_;	2393	utf8::decode $_;
1729	next if /\.pst$/;	2394	s/\.map$//; # TODO future compatibility hack
1730	next unless /^$PATH_SEP/o;	2395	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1731		2396	? ()
1732	push @paths, cf::map::normalise $_;	2397	: normalise $_
		2398	} @{ aio_readdir $UNIQUEDIR or [] }
1733	}	2399	]
1734
1735	\@paths
1736	}	2400	}
1737
1738	package cf;
1739		2401
1740	=back	2402	=back
1741		2403
1742	=head3 cf::object	2404	=head3 cf::object
1743		2405
…		…
1747		2409
1748	=over 4	2410	=over 4
1749		2411
1750	=item $ob->inv_recursive	2412	=item $ob->inv_recursive
1751		2413
1752	Returns the inventory of the object _and_ their inventories, recursively.	2414	Returns the inventory of the object I<and> their inventories, recursively,
		2415	but I<not> the object itself.
1753		2416
1754	=cut	2417	=cut
1755		2418
1756	sub inv_recursive_;	2419	sub inv_recursive_;
1757	sub inv_recursive_ {	2420	sub inv_recursive_ {
…		…
1760		2423
1761	sub inv_recursive {	2424	sub inv_recursive {
1762	inv_recursive_ inv $_[0]	2425	inv_recursive_ inv $_[0]
1763	}	2426	}
1764		2427
		2428	=item $ref = $ob->ref
		2429
		2430	Creates and returns a persistent reference to an object that can be stored as a string.
		2431
		2432	=item $ob = cf::object::deref ($refstring)
		2433
		2434	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2435	even if the object actually exists. May block.
		2436
		2437	=cut
		2438
		2439	sub deref {
		2440	my ($ref) = @_;
		2441
		2442	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2443	my ($uuid, $name) = ($1, $2);
		2444	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2445	or return;
		2446	$pl->ob->uuid eq $uuid
		2447	or return;
		2448
		2449	$pl->ob
		2450	} else {
		2451	warn "$ref: cannot resolve object reference\n";
		2452	undef
		2453	}
		2454	}
		2455
1765	package cf;	2456	package cf;
1766		2457
1767	=back	2458	=back
1768		2459
1769	=head3 cf::object::player	2460	=head3 cf::object::player
…		…
1775	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2466	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1776	can be C<undef>. Does the right thing when the player is currently in a	2467	can be C<undef>. Does the right thing when the player is currently in a
1777	dialogue with the given NPC character.	2468	dialogue with the given NPC character.
1778		2469
1779	=cut	2470	=cut
		2471
		2472	our $SAY_CHANNEL = {
		2473	id => "say",
		2474	title => "Map",
		2475	reply => "say ",
		2476	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2477	};
		2478
		2479	our $CHAT_CHANNEL = {
		2480	id => "chat",
		2481	title => "Chat",
		2482	reply => "chat ",
		2483	tooltip => "Player chat and shouts, global to the server.",
		2484	};
1780		2485
1781	# rough implementation of a future "reply" method that works	2486	# rough implementation of a future "reply" method that works
1782	# with dialog boxes.	2487	# with dialog boxes.
1783	#TODO: the first argument must go, split into a $npc->reply_to ( method	2488	#TODO: the first argument must go, split into a $npc->reply_to ( method
1784	sub cf::object::player::reply($$$;$) {	2489	sub cf::object::player::reply($$$;$) {
…		…
1786		2491
1787	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2492	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788		2493
1789	if ($self->{record_replies}) {	2494	if ($self->{record_replies}) {
1790	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2495	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2496
1791	} else {	2497	} else {
		2498	my $pl = $self->contr;
		2499
		2500	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2501	my $dialog = $pl->{npc_dialog};
		2502	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2503
		2504	} else {
1792	$msg = $npc->name . " says: $msg" if $npc;	2505	$msg = $npc->name . " says: $msg" if $npc;
1793	$self->message ($msg, $flags);	2506	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2507	}
1794	}	2508	}
		2509	}
		2510
		2511	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2512
		2513	=cut
		2514
		2515	sub cf::object::send_msg {
		2516	my $pl = shift->contr
		2517	or return;
		2518	$pl->send_msg (@_);
1795	}	2519	}
1796		2520
1797	=item $player_object->may ("access")	2521	=item $player_object->may ("access")
1798		2522
1799	Returns wether the given player is authorized to access resource "access"	2523	Returns wether the given player is authorized to access resource "access"
…		…
1846	$self->deactivate_recursive;	2570	$self->deactivate_recursive;
1847		2571
1848	return if UNIVERSAL::isa $self->map, "ext::map_link";	2572	return if UNIVERSAL::isa $self->map, "ext::map_link";
1849		2573
1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2574	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851	if $self->map;	2575	if $self->map && $self->map->{path} ne "{link}";
1852		2576
1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2577	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1854	}	2578	}
1855		2579
1856	sub cf::object::player::leave_link {	2580	sub cf::object::player::leave_link {
1857	my ($self, $map, $x, $y) = @_;	2581	my ($self, $map, $x, $y) = @_;
		2582
		2583	return unless $self->contr->active;
1858		2584
1859	my $link_pos = delete $self->{_link_pos};	2585	my $link_pos = delete $self->{_link_pos};
1860		2586
1861	unless ($map) {	2587	unless ($map) {
1862	# restore original map position	2588	# restore original map position
…		…
1876	# use -1 or undef as default coordinates, not 0, 0	2602	# use -1 or undef as default coordinates, not 0, 0
1877	($x, $y) = ($map->enter_x, $map->enter_y)	2603	($x, $y) = ($map->enter_x, $map->enter_y)
1878	if $x <=0 && $y <= 0;	2604	if $x <=0 && $y <= 0;
1879		2605
1880	$map->load;	2606	$map->load;
1881	$map->load_diag;	2607	$map->load_neighbours;
1882		2608
1883	return unless $self->contr->active;	2609	return unless $self->contr->active;
1884	$self->activate_recursive;	2610	$self->activate_recursive;
1885		2611
1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2612	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887	$self->enter_map ($map, $x, $y);	2613	$self->enter_map ($map, $x, $y);
1888	}	2614	}
1889		2615
1890	cf::player->attach (	2616	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1891	on_logout => sub {
1892	my ($pl) = @_;
1893		2617
1894	# abort map switching before logout	2618	Moves the player to the given map-path and coordinates by first freezing
1895	if ($pl->ob->{_link_pos}) {	2619	her, loading and preparing them map, calling the provided $check callback
1896	cf::sync_job {	2620	that has to return the map if sucecssful, and then unfreezes the player on
1897	$pl->ob->leave_link	2621	the new (success) or old (failed) map position. In either case, $done will
1898	};	2622	be called at the end of this process.
1899	}
1900	},
1901	on_login => sub {
1902	my ($pl) = @_;
1903		2623
1904	# try to abort aborted map switching on player login :)	2624	Note that $check will be called with a potentially non-loaded map, so if
1905	# should happen only on crashes	2625	it needs a loaded map it has to call C<< ->load >>.
1906	if ($pl->ob->{_link_pos}) {
1907	$pl->ob->enter_link;
1908	(async {
1909	$pl->ob->reply (undef,
1910	"There was an internal problem at your last logout, "
1911	. "the server will try to bring you to your intended destination in a second.",
1912	cf::NDI_RED);
1913	# we need this sleep as the login has a concurrent enter_exit running
1914	# and this sleep increases chances of the player not ending up in scorn
1915	Coro::Timer::sleep 1;
1916	$pl->ob->leave_link;
1917	})->prio (2);
1918	}
1919	},
1920	);
1921		2626
1922	=item $player_object->goto ($path, $x, $y)
1923
1924	=cut	2627	=cut
		2628
		2629	our $GOTOGEN;
1925		2630
1926	sub cf::object::player::goto {	2631	sub cf::object::player::goto {
1927	my ($self, $path, $x, $y) = @_;	2632	my ($self, $path, $x, $y, $check, $done) = @_;
		2633
		2634	# do generation counting so two concurrent goto's will be executed in-order
		2635	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1928		2636
1929	$self->enter_link;	2637	$self->enter_link;
1930		2638
1931	(async {	2639	(async {
		2640	$Coro::current->{desc} = "player::goto $path $x $y";
		2641
		2642	# *tag paths override both path and x|y
		2643	if ($path =~ /^\*(.*)$/) {
		2644	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2645	my $ob = $obs[rand @obs];
		2646
		2647	# see if we actually can go there
		2648	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2649	$ob = $obs[rand @obs];
		2650	} else {
		2651	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2652	}
		2653	# else put us there anyways for now #d#
		2654
		2655	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2656	} else {
		2657	($path, $x, $y) = (undef, undef, undef);
		2658	}
		2659	}
		2660
1932	my $map = eval {	2661	my $map = eval {
1933	my $map = cf::map::find $path;	2662	my $map = defined $path ? cf::map::find $path : undef;
		2663
		2664	if ($map) {
1934	$map = $map->customise_for ($self) if $map;	2665	$map = $map->customise_for ($self);
		2666	$map = $check->($map) if $check && $map;
		2667	} else {
		2668	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2669	}
		2670
1935	$map	2671	$map
		2672	};
		2673
		2674	if ($@) {
		2675	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2676	LOG llevError | logBacktrace, Carp::longmess $@;
1936	} or	2677	}
1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938		2678
		2679	if ($gen == $self->{_goto_generation}) {
		2680	delete $self->{_goto_generation};
1939	$self->leave_link ($map, $x, $y);	2681	$self->leave_link ($map, $x, $y);
		2682	}
		2683
		2684	$done->() if $done;
1940	})->prio (1);	2685	})->prio (1);
1941	}	2686	}
1942		2687
1943	=item $player_object->enter_exit ($exit_object)	2688	=item $player_object->enter_exit ($exit_object)
1944		2689
…		…
1964	}	2709	}
1965		2710
1966	sub prepare_random_map {	2711	sub prepare_random_map {
1967	my ($exit) = @_;	2712	my ($exit) = @_;
1968		2713
1969	my $guard = cf::lock_acquire "exit_prepare:$exit";
1970
1971	# all this does is basically replace the /! path by	2714	# all this does is basically replace the /! path by
1972	# a new random map path (?random/...) with a seed	2715	# a new random map path (?random/...) with a seed
1973	# that depends on the exit object	2716	# that depends on the exit object
1974		2717
1975	my $rmp = parse_random_map_params $exit->msg;	2718	my $rmp = parse_random_map_params $exit->msg;
…		…
1977	if ($exit->map) {	2720	if ($exit->map) {
1978	$rmp->{region} = $exit->region->name;	2721	$rmp->{region} = $exit->region->name;
1979	$rmp->{origin_map} = $exit->map->path;	2722	$rmp->{origin_map} = $exit->map->path;
1980	$rmp->{origin_x} = $exit->x;	2723	$rmp->{origin_x} = $exit->x;
1981	$rmp->{origin_y} = $exit->y;	2724	$rmp->{origin_y} = $exit->y;
		2725
		2726	$exit->map->touch;
1982	}	2727	}
1983		2728
1984	$rmp->{random_seed} ||= $exit->random_seed;	2729	$rmp->{random_seed} ||= $exit->random_seed;
1985		2730
1986	my $data = cf::to_json $rmp;	2731	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1987	my $md5 = Digest::MD5::md5_hex $data;	2732	my $md5 = Digest::MD5::md5_hex $data;
1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2733	my $meta = "$RANDOMDIR/$md5.meta";
1989		2734
1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2735	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991	aio_write $fh, 0, (length $data), $data, 0;	2736	aio_write $fh, 0, (length $data), $data, 0;
1992	undef $fh;	2737	undef $fh;
1993	aio_rename "$meta~", $meta;	2738	aio_rename "$meta~", $meta;
1994		2739
		2740	my $slaying = "?random/$md5";
		2741
		2742	if ($exit->valid) {
1995	$exit->slaying ("?random/$md5");	2743	$exit->slaying ("?random/$md5");
1996	$exit->msg (undef);	2744	$exit->msg (undef);
		2745	}
1997	}	2746	}
1998	}	2747	}
1999		2748
2000	sub cf::object::player::enter_exit {	2749	sub cf::object::player::enter_exit {
2001	my ($self, $exit) = @_;	2750	my ($self, $exit) = @_;
2002		2751
2003	return unless $self->type == cf::PLAYER;	2752	return unless $self->type == cf::PLAYER;
2004		2753
2005	if ($exit->slaying eq "/!") {
2006	#TODO: this should de-fi-ni-te-ly not be a sync-job
2007	# the problem is that $exit might not survive long enough
2008	# so it needs to be done right now, right here
2009	cf::sync_job { prepare_random_map $exit };
2010	}
2011
2012	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2013	my $hp = $exit->stats->hp;
2014	my $sp = $exit->stats->sp;
2015
2016	$self->enter_link;	2754	$self->enter_link;
2017		2755
2018	(async {	2756	(async {
2019	$self->deactivate_recursive; # just to be sure	2757	$Coro::current->{desc} = "enter_exit";
		2758
2020	unless (eval {	2759	unless (eval {
		2760	$self->deactivate_recursive; # just to be sure
		2761
		2762	# random map handling
		2763	{
		2764	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2765
		2766	prepare_random_map $exit
		2767	if $exit->slaying eq "/!";
		2768	}
		2769
		2770	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2771	my $x = $exit->stats->hp;
		2772	my $y = $exit->stats->sp;
		2773
2021	$self->goto ($slaying, $hp, $sp);	2774	$self->goto ($map, $x, $y);
2022		2775
		2776	# if exit is damned, update players death & WoR home-position
		2777	$self->contr->savebed ($map, $x, $y)
		2778	if $exit->flag (cf::FLAG_DAMNED);
		2779
2023	1;	2780	1
2024	}) {	2781	}) {
2025	$self->message ("Something went wrong deep within the crossfire server. "	2782	$self->message ("Something went wrong deep within the crossfire server. "
2026	. "I'll try to bring you back to the map you were before. "	2783	. "I'll try to bring you back to the map you were before. "
2027	. "Please report this to the dungeon master!",	2784	. "Please report this to the dungeon master!",
2028	cf::NDI_UNIQUE | cf::NDI_RED);	2785	cf::NDI_UNIQUE | cf::NDI_RED);
…		…
2049		2806
2050	utf8::encode $text;	2807	utf8::encode $text;
2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2808	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2052	}	2809	}
2053		2810
		2811	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2812
		2813	Send a drawinfo or msg packet to the client, formatting the msg for the
		2814	client if neccessary. C<$type> should be a string identifying the type of
		2815	the message, with C<log> being the default. If C<$color> is negative, suppress
		2816	the message unless the client supports the msg packet.
		2817
		2818	=cut
		2819
		2820	# non-persistent channels (usually the info channel)
		2821	our %CHANNEL = (
		2822	"c/identify" => {
		2823	id => "infobox",
		2824	title => "Identify",
		2825	reply => undef,
		2826	tooltip => "Items recently identified",
		2827	},
		2828	"c/examine" => {
		2829	id => "infobox",
		2830	title => "Examine",
		2831	reply => undef,
		2832	tooltip => "Signs and other items you examined",
		2833	},
		2834	"c/book" => {
		2835	id => "infobox",
		2836	title => "Book",
		2837	reply => undef,
		2838	tooltip => "The contents of a note or book",
		2839	},
		2840	"c/lookat" => {
		2841	id => "infobox",
		2842	title => "Look",
		2843	reply => undef,
		2844	tooltip => "What you saw there",
		2845	},
		2846	"c/who" => {
		2847	id => "infobox",
		2848	title => "Players",
		2849	reply => undef,
		2850	tooltip => "Shows players who are currently online",
		2851	},
		2852	"c/body" => {
		2853	id => "infobox",
		2854	title => "Body Parts",
		2855	reply => undef,
		2856	tooltip => "Shows which body parts you posess and are available",
		2857	},
		2858	"c/uptime" => {
		2859	id => "infobox",
		2860	title => "Uptime",
		2861	reply => undef,
		2862	tooltip => "How long the server has been running since last restart",
		2863	},
		2864	"c/mapinfo" => {
		2865	id => "infobox",
		2866	title => "Map Info",
		2867	reply => undef,
		2868	tooltip => "Information related to the maps",
		2869	},
		2870	"c/party" => {
		2871	id => "party",
		2872	title => "Party",
		2873	reply => "gsay ",
		2874	tooltip => "Messages and chat related to your party",
		2875	},
		2876	);
		2877
		2878	sub cf::client::send_msg {
		2879	my ($self, $channel, $msg, $color, @extra) = @_;
		2880
		2881	$msg = $self->pl->expand_cfpod ($msg);
		2882
		2883	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2884
		2885	# check predefined channels, for the benefit of C
		2886	if ($CHANNEL{$channel}) {
		2887	$channel = $CHANNEL{$channel};
		2888
		2889	$self->ext_msg (channel_info => $channel)
		2890	if $self->can_msg;
		2891
		2892	$channel = $channel->{id};
		2893
		2894	} elsif (ref $channel) {
		2895	# send meta info to client, if not yet sent
		2896	unless (exists $self->{channel}{$channel->{id}}) {
		2897	$self->{channel}{$channel->{id}} = $channel;
		2898	$self->ext_msg (channel_info => $channel)
		2899	if $self->can_msg;
		2900	}
		2901
		2902	$channel = $channel->{id};
		2903	}
		2904
		2905	return unless @extra || length $msg;
		2906
		2907	if ($self->can_msg) {
		2908	# default colour, mask it out
		2909	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2910	if $color & cf::NDI_DEF;
		2911
		2912	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2913	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2914	} else {
		2915	if ($color >= 0) {
		2916	# replace some tags by gcfclient-compatible ones
		2917	for ($msg) {
		2918	1 while
		2919	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2920	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2921	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2922	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2923	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2924	}
		2925
		2926	$color &= cf::NDI_COLOR_MASK;
		2927
		2928	utf8::encode $msg;
		2929
		2930	if (0 && $msg =~ /\[/) {
		2931	# COMMAND/INFO
		2932	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2933	} else {
		2934	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2935	$self->send_packet ("drawinfo $color $msg")
		2936	}
		2937	}
		2938	}
		2939	}
		2940
2054	=item $client->ext_event ($type, %msg)	2941	=item $client->ext_msg ($type, @msg)
2055		2942
2056	Sends an exti event to the client.	2943	Sends an ext event to the client.
2057		2944
2058	=cut	2945	=cut
2059		2946
2060	sub cf::client::ext_event($$%) {	2947	sub cf::client::ext_msg($$@) {
2061	my ($self, $type, %msg) = @_;	2948	my ($self, $type, @msg) = @_;
2062		2949
		2950	if ($self->extcmd == 2) {
		2951	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2952	} elsif ($self->extcmd == 1) { # TODO: remove
2063	$msg{msgtype} = "event_$type";	2953	push @msg, msgtype => "event_$type";
2064	$self->send_packet ("ext " . cf::to_json \%msg);	2954	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2955	}
		2956	}
		2957
		2958	=item $client->ext_reply ($msgid, @msg)
		2959
		2960	Sends an ext reply to the client.
		2961
		2962	=cut
		2963
		2964	sub cf::client::ext_reply($$@) {
		2965	my ($self, $id, @msg) = @_;
		2966
		2967	if ($self->extcmd == 2) {
		2968	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2969	} elsif ($self->extcmd == 1) {
		2970	#TODO: version 1, remove
		2971	unshift @msg, msgtype => "reply", msgid => $id;
		2972	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2973	}
2065	}	2974	}
2066		2975
2067	=item $success = $client->query ($flags, "text", \&cb)	2976	=item $success = $client->query ($flags, "text", \&cb)
2068		2977
2069	Queues a query to the client, calling the given callback with	2978	Queues a query to the client, calling the given callback with
2070	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2979	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2071	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2980	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2072		2981
2073	Queries can fail, so check the return code. Or don't, as queries will become	2982	Queries can fail, so check the return code. Or don't, as queries will
2074	reliable at some point in the future.	2983	become reliable at some point in the future.
2075		2984
2076	=cut	2985	=cut
2077		2986
2078	sub cf::client::query {	2987	sub cf::client::query {
2079	my ($self, $flags, $text, $cb) = @_;	2988	my ($self, $flags, $text, $cb) = @_;
…		…
2087	utf8::encode $text;	2996	utf8::encode $text;
2088	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2997	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089		2998
2090	$self->send_packet ($self->{query_queue}[0][0])	2999	$self->send_packet ($self->{query_queue}[0][0])
2091	if @{ $self->{query_queue} } == 1;	3000	if @{ $self->{query_queue} } == 1;
		3001
		3002	1
2092	}	3003	}
2093		3004
2094	cf::client->attach (	3005	cf::client->attach (
		3006	on_connect => sub {
		3007	my ($ns) = @_;
		3008
		3009	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3010	},
2095	on_reply => sub {	3011	on_reply => sub {
2096	my ($ns, $msg) = @_;	3012	my ($ns, $msg) = @_;
2097		3013
2098	# this weird shuffling is so that direct followup queries	3014	# this weird shuffling is so that direct followup queries
2099	# get handled first	3015	# get handled first
…		…
2111	} else {	3027	} else {
2112	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3028	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113	}	3029	}
2114	}	3030	}
2115	},	3031	},
		3032	on_exticmd => sub {
		3033	my ($ns, $buf) = @_;
		3034
		3035	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3036
		3037	if (ref $msg) {
		3038	my ($type, $reply, @payload) =
		3039	"ARRAY" eq ref $msg
		3040	? @$msg
		3041	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3042
		3043	my @reply;
		3044
		3045	if (my $cb = $EXTICMD{$type}) {
		3046	@reply = $cb->($ns, @payload);
		3047	}
		3048
		3049	$ns->ext_reply ($reply, @reply)
		3050	if $reply;
		3051
		3052	} else {
		3053	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3054	}
		3055
		3056	cf::override;
		3057	},
2116	);	3058	);
2117		3059
2118	=item $client->async (\&cb)	3060	=item $client->async (\&cb)
2119		3061
2120	Create a new coroutine, running the specified callback. The coroutine will	3062	Create a new coroutine, running the specified callback. The coroutine will
…		…
2161	our $safe = new Safe "safe";	3103	our $safe = new Safe "safe";
2162	our $safe_hole = new Safe::Hole;	3104	our $safe_hole = new Safe::Hole;
2163		3105
2164	$SIG{FPE} = 'IGNORE';	3106	$SIG{FPE} = 'IGNORE';
2165		3107
2166	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3108	$safe->permit_only (Opcode::opset qw(
		3109	:base_core :base_mem :base_orig :base_math
		3110	grepstart grepwhile mapstart mapwhile
		3111	sort time
		3112	));
2167		3113
2168	# here we export the classes and methods available to script code	3114	# here we export the classes and methods available to script code
2169		3115
2170	=pod	3116	=pod
2171		3117
2172	The following functions and methods are available within a safe environment:	3118	The following functions and methods are available within a safe environment:
2173		3119
2174	cf::object contr pay_amount pay_player map	3120	cf::object
		3121	contr pay_amount pay_player map x y force_find force_add destroy
		3122	insert remove name archname title slaying race decrease split
		3123
2175	cf::object::player player	3124	cf::object::player
2176	cf::player peaceful	3125	player
2177	cf::map trigger	3126
		3127	cf::player
		3128	peaceful
		3129
		3130	cf::map
		3131	trigger
2178		3132
2179	=cut	3133	=cut
2180		3134
2181	for (	3135	for (
2182	["cf::object" => qw(contr pay_amount pay_player map)],	3136	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3137	insert remove inv nrof name archname title slaying race
		3138	decrease split destroy change_exp)],
2183	["cf::object::player" => qw(player)],	3139	["cf::object::player" => qw(player)],
2184	["cf::player" => qw(peaceful)],	3140	["cf::player" => qw(peaceful)],
2185	["cf::map" => qw(trigger)],	3141	["cf::map" => qw(trigger)],
2186	) {	3142	) {
2187	no strict 'refs';	3143	no strict 'refs';
…		…
2258	=back	3214	=back
2259		3215
2260	=cut	3216	=cut
2261		3217
2262	#############################################################################	3218	#############################################################################
2263
2264	=head2 EXTENSION DATABASE SUPPORT
2265
2266	Crossfire maintains a very simple database for extension use. It can
2267	currently store anything that can be serialised using Storable, which
2268	excludes objects.
2269
2270	The parameter C<$family> should best start with the name of the extension
2271	using it, it should be unique.
2272
2273	=over 4
2274
2275	=item $value = cf::db_get $family => $key
2276
2277	Returns a single value from the database.
2278
2279	=item cf::db_put $family => $key => $value
2280
2281	Stores the given C<$value> in the family.
2282
2283	=cut
2284
2285	our $DB;
2286
2287	sub db_init {
2288	unless ($DB) {
2289	$DB = BDB::db_create $DB_ENV;
2290
2291	cf::sync_job {
2292	eval {
2293	$DB->set_flags (BDB::CHKSUM);
2294
2295	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2296	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2297	cf::cleanup "db_open(db): $!" if $!;
2298	};
2299	cf::cleanup "db_open(db): $@" if $@;
2300	};
2301
2302	my $path = cf::localdir . "/database.pst";
2303	if (stat $path) {
2304	cf::sync_job {
2305	my $pst = Storable::retrieve $path;
2306
2307	cf::db_put (board => data => $pst->{board});
2308	cf::db_put (guildrules => data => $pst->{guildrules});
2309	cf::db_put (rent => balance => $pst->{rent}{balance});
2310	BDB::db_env_txn_checkpoint $DB_ENV;
2311
2312	unlink $path;
2313	};
2314	}
2315	}
2316	}
2317
2318	sub db_get($$) {
2319	my $key = "$_[0]/$_[1]";
2320
2321	cf::sync_job {
2322	BDB::db_get $DB, undef, $key, my $data;
2323
2324	$! ? ()
2325	: Compress::LZF::sthaw $data
2326	}
2327	}
2328
2329	sub db_put($$$) {
2330	BDB::dbreq_pri 4;
2331	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2332	}
2333
2334	#############################################################################
2335	# the server's init and main functions	3219	# the server's init and main functions
2336		3220
2337	sub load_facedata {	3221	sub load_facedata($) {
2338	my $path = sprintf "%s/facedata", cf::datadir;	3222	my ($path) = @_;
		3223
		3224	# HACK to clear player env face cache, we need some signal framework
		3225	# for this (global event?)
		3226	%ext::player_env::MUSIC_FACE_CACHE = ();
		3227
		3228	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2339		3229
2340	warn "loading facedata from $path\n";	3230	warn "loading facedata from $path\n";
2341		3231
2342	my $facedata;	3232	my $facedata;
2343	0 < aio_load $path, $facedata	3233	0 < aio_load $path, $facedata
…		…
2346	$facedata = Coro::Storable::thaw $facedata;	3236	$facedata = Coro::Storable::thaw $facedata;
2347		3237
2348	$facedata->{version} == 2	3238	$facedata->{version} == 2
2349	or cf::cleanup "$path: version mismatch, cannot proceed.";	3239	or cf::cleanup "$path: version mismatch, cannot proceed.";
2350		3240
		3241	# patch in the exptable
		3242	$facedata->{resource}{"res/exp_table"} = {
		3243	type => FT_RSRC,
		3244	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3245	};
		3246	cf::cede_to_tick;
		3247
2351	{	3248	{
2352	my $faces = $facedata->{faceinfo};	3249	my $faces = $facedata->{faceinfo};
2353		3250
2354	while (my ($face, $info) = each %$faces) {	3251	while (my ($face, $info) = each %$faces) {
2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3252	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3253
2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3254	cf::face::set_visibility $idx, $info->{visibility};
		3255	cf::face::set_magicmap $idx, $info->{magicmap};
2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3256	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3257	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2359	Coro::cede;	3258
		3259	cf::cede_to_tick;
2360	}	3260	}
2361		3261
2362	while (my ($face, $info) = each %$faces) {	3262	while (my ($face, $info) = each %$faces) {
2363	next unless $info->{smooth};	3263	next unless $info->{smooth};
		3264
2364	my $idx = cf::face::find $face	3265	my $idx = cf::face::find $face
2365	or next;	3266	or next;
		3267
2366	if (my $smooth = cf::face::find $info->{smooth}) {	3268	if (my $smooth = cf::face::find $info->{smooth}) {
		3269	cf::face::set_smooth $idx, $smooth;
2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3270	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2368	} else {	3271	} else {
2369	warn "smooth face '$info->{smooth}' not found for face '$face'";	3272	warn "smooth face '$info->{smooth}' not found for face '$face'";
2370	}	3273	}
2371	Coro::cede;	3274
		3275	cf::cede_to_tick;
2372	}	3276	}
2373	}	3277	}
2374		3278
2375	{	3279	{
2376	my $anims = $facedata->{animinfo};	3280	my $anims = $facedata->{animinfo};
2377		3281
2378	while (my ($anim, $info) = each %$anims) {	3282	while (my ($anim, $info) = each %$anims) {
2379	cf::anim::set $anim, $info->{frames}, $info->{facings};	3283	cf::anim::set $anim, $info->{frames}, $info->{facings};
2380	Coro::cede;	3284	cf::cede_to_tick;
2381	}	3285	}
2382		3286
2383	cf::anim::invalidate_all; # d'oh	3287	cf::anim::invalidate_all; # d'oh
2384	}	3288	}
2385		3289
		3290	{
		3291	# TODO: for gcfclient pleasure, we should give resources
		3292	# that gcfclient doesn't grok a >10000 face index.
		3293	my $res = $facedata->{resource};
		3294
		3295	while (my ($name, $info) = each %$res) {
		3296	if (defined $info->{type}) {
		3297	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3298	my $data;
		3299
		3300	if ($info->{type} & 1) {
		3301	# prepend meta info
		3302
		3303	my $meta = $enc->encode ({
		3304	name => $name,
		3305	%{ $info->{meta} || {} },
		3306	});
		3307
		3308	$data = pack "(w/a*)*", $meta, $info->{data};
		3309	} else {
		3310	$data = $info->{data};
		3311	}
		3312
		3313	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3314	cf::face::set_type $idx, $info->{type};
		3315	} else {
		3316	$RESOURCE{$name} = $info;
		3317	}
		3318
		3319	cf::cede_to_tick;
		3320	}
		3321	}
		3322
		3323	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3324
2386	1	3325	1
2387	}	3326	}
2388		3327
		3328	cf::global->attach (on_resource_update => sub {
		3329	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3330	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3331
		3332	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3333	my $sound = $soundconf->{compat}[$_]
		3334	or next;
		3335
		3336	my $face = cf::face::find "sound/$sound->[1]";
		3337	cf::sound::set $sound->[0] => $face;
		3338	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3339	}
		3340
		3341	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3342	my $face = cf::face::find "sound/$v";
		3343	cf::sound::set $k => $face;
		3344	}
		3345	}
		3346	});
		3347
		3348	register_exticmd fx_want => sub {
		3349	my ($ns, $want) = @_;
		3350
		3351	while (my ($k, $v) = each %$want) {
		3352	$ns->fx_want ($k, $v);
		3353	}
		3354	};
		3355
		3356	sub load_resource_file($) {
		3357	my $guard = lock_acquire "load_resource_file";
		3358
		3359	my $status = load_resource_file_ $_[0];
		3360	get_slot 0.1, 100;
		3361	cf::arch::commit_load;
		3362
		3363	$status
		3364	}
		3365
		3366	sub reload_regions {
		3367	# HACK to clear player env face cache, we need some signal framework
		3368	# for this (global event?)
		3369	%ext::player_env::MUSIC_FACE_CACHE = ();
		3370
		3371	load_resource_file "$MAPDIR/regions"
		3372	or die "unable to load regions file\n";
		3373
		3374	for (cf::region::list) {
		3375	$_->{match} = qr/$_->{match}/
		3376	if exists $_->{match};
		3377	}
		3378	}
		3379
		3380	sub reload_facedata {
		3381	load_facedata "$DATADIR/facedata"
		3382	or die "unable to load facedata\n";
		3383	}
		3384
2389	sub load_archetypes {	3385	sub reload_archetypes {
2390	load_archetype_file sprintf "%s/archetypes", cf::datadir; # remove when stable	3386	load_resource_file "$DATADIR/archetypes"
2391	load_archetype_file sprintf "%s/archetypes", cf::datadir	3387	or die "unable to load archetypes\n";
2392	}	3388	}
2393		3389
2394	sub load_treasures {	3390	sub reload_treasures {
2395	load_treasure_file sprintf "%s/treasures", cf::datadir	3391	load_resource_file "$DATADIR/treasures"
		3392	or die "unable to load treasurelists\n";
2396	}	3393	}
2397		3394
2398	sub reload_resources {	3395	sub reload_resources {
2399	warn "reloading resource files...\n";	3396	warn "reloading resource files...\n";
2400		3397
2401	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2402	or die "unable to load regions file\n";
2403	load_facedata	3398	reload_facedata;
2404	or die "unable to load facedata\n";
2405	load_archetypes	3399	reload_archetypes;
2406	or die "unable to load archetypes\n";	3400	reload_regions;
2407	load_treasures	3401	reload_treasures;
2408	or die "unable to load treasurelists\n";
2409		3402
2410	warn "finished reloading resource files\n";	3403	warn "finished reloading resource files\n";
2411	}	3404	}
2412		3405
2413	sub init {	3406	sub init {
		3407	my $guard = freeze_mainloop;
		3408
		3409	evthread_start IO::AIO::poll_fileno;
		3410
2414	reload_resources;	3411	reload_resources;
2415	}	3412	}
2416		3413
2417	sub cfg_load {	3414	sub reload_config {
2418	open my $fh, "<:utf8", cf::confdir . "/config"	3415	open my $fh, "<:utf8", "$CONFDIR/config"
2419	or return;	3416	or return;
2420		3417
2421	local $/;	3418	local $/;
2422	*CFG = YAML::Syck::Load <$fh>;	3419	*CFG = YAML::Load <$fh>;
2423		3420
2424	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3421	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2425		3422
2426	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3423	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2427	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3424	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2438	sub main {	3435	sub main {
2439	# we must not ever block the main coroutine	3436	# we must not ever block the main coroutine
2440	local $Coro::idle = sub {	3437	local $Coro::idle = sub {
2441	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3438	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2442	(async {	3439	(async {
2443	Event::one_event;	3440	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3441	EV::loop EV::LOOP_ONESHOT;
2444	})->prio (Coro::PRIO_MAX);	3442	})->prio (Coro::PRIO_MAX);
2445	};	3443	};
2446		3444
2447	cfg_load;	3445	{
		3446	my $guard = freeze_mainloop;
		3447	reload_config;
2448	db_init;	3448	db_init;
2449	load_extensions;	3449	load_extensions;
2450		3450
2451	$TICK_WATCHER->start;	3451	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3452	}
		3453
2452	Event::loop;	3454	EV::loop;
2453	}	3455	}
2454		3456
2455	#############################################################################	3457	#############################################################################
2456	# initialisation and cleanup	3458	# initialisation and cleanup
2457		3459
2458	# install some emergency cleanup handlers	3460	# install some emergency cleanup handlers
2459	BEGIN {	3461	BEGIN {
		3462	our %SIGWATCHER = ();
2460	for my $signal (qw(INT HUP TERM)) {	3463	for my $signal (qw(INT HUP TERM)) {
2461	Event->signal (	3464	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2462	reentrant => 0,
2463	data => WF_AUTOCANCEL,
2464	signal => $signal,
2465	prio => 0,
2466	cb => sub {
2467	cf::cleanup "SIG$signal";	3465	cf::cleanup "SIG$signal";
2468	},
2469	);	3466	};
		3467	}
		3468	}
		3469
		3470	sub write_runtime_sync {
		3471	my $runtime = "$LOCALDIR/runtime";
		3472
		3473	# first touch the runtime file to show we are still running:
		3474	# the fsync below can take a very very long time.
		3475
		3476	IO::AIO::aio_utime $runtime, undef, undef;
		3477
		3478	my $guard = cf::lock_acquire "write_runtime";
		3479
		3480	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3481	or return;
		3482
		3483	my $value = $cf::RUNTIME + 90 + 10;
		3484	# 10 is the runtime save interval, for a monotonic clock
		3485	# 60 allows for the watchdog to kill the server.
		3486
		3487	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3488	and return;
		3489
		3490	# always fsync - this file is important
		3491	aio_fsync $fh
		3492	and return;
		3493
		3494	# touch it again to show we are up-to-date
		3495	aio_utime $fh, undef, undef;
		3496
		3497	close $fh
		3498	or return;
		3499
		3500	aio_rename "$runtime~", $runtime
		3501	and return;
		3502
		3503	warn "runtime file written.\n";
		3504
2470	}	3505	1
		3506	}
		3507
		3508	our $uuid_lock;
		3509	our $uuid_skip;
		3510
		3511	sub write_uuid_sync($) {
		3512	$uuid_skip ||= $_[0];
		3513
		3514	return if $uuid_lock;
		3515	local $uuid_lock = 1;
		3516
		3517	my $uuid = "$LOCALDIR/uuid";
		3518
		3519	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3520	or return;
		3521
		3522	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3523	$uuid_skip = 0;
		3524
		3525	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3526	and return;
		3527
		3528	# always fsync - this file is important
		3529	aio_fsync $fh
		3530	and return;
		3531
		3532	close $fh
		3533	or return;
		3534
		3535	aio_rename "$uuid~", $uuid
		3536	and return;
		3537
		3538	warn "uuid file written ($value).\n";
		3539
		3540	1
		3541
		3542	}
		3543
		3544	sub write_uuid($$) {
		3545	my ($skip, $sync) = @_;
		3546
		3547	$sync ? write_uuid_sync $skip
		3548	: async { write_uuid_sync $skip };
2471	}	3549	}
2472		3550
2473	sub emergency_save() {	3551	sub emergency_save() {
2474	my $freeze_guard = cf::freeze_mainloop;	3552	my $freeze_guard = cf::freeze_mainloop;
2475		3553
…		…
2481	# and maps saved/destroyed asynchronously.	3559	# and maps saved/destroyed asynchronously.
2482	warn "begin emergency player save\n";	3560	warn "begin emergency player save\n";
2483	for my $login (keys %cf::PLAYER) {	3561	for my $login (keys %cf::PLAYER) {
2484	my $pl = $cf::PLAYER{$login} or next;	3562	my $pl = $cf::PLAYER{$login} or next;
2485	$pl->valid or next;	3563	$pl->valid or next;
		3564	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2486	$pl->save;	3565	$pl->save;
2487	}	3566	}
2488	warn "end emergency player save\n";	3567	warn "end emergency player save\n";
2489		3568
2490	warn "begin emergency map save\n";	3569	warn "begin emergency map save\n";
…		…
2496	warn "end emergency map save\n";	3575	warn "end emergency map save\n";
2497		3576
2498	warn "begin emergency database checkpoint\n";	3577	warn "begin emergency database checkpoint\n";
2499	BDB::db_env_txn_checkpoint $DB_ENV;	3578	BDB::db_env_txn_checkpoint $DB_ENV;
2500	warn "end emergency database checkpoint\n";	3579	warn "end emergency database checkpoint\n";
		3580
		3581	warn "begin write uuid\n";
		3582	write_uuid_sync 1;
		3583	warn "end write uuid\n";
2501	};	3584	};
2502		3585
2503	warn "leave emergency perl save\n";	3586	warn "leave emergency perl save\n";
2504	}	3587	}
2505		3588
…		…
2508		3591
2509	warn Carp::longmess "post_cleanup backtrace"	3592	warn Carp::longmess "post_cleanup backtrace"
2510	if $make_core;	3593	if $make_core;
2511	}	3594	}
2512		3595
		3596	# a safer delete_package, copied from Symbol
		3597	sub clear_package($) {
		3598	my $pkg = shift;
		3599
		3600	# expand to full symbol table name if needed
		3601	unless ($pkg =~ /^main::.*::$/) {
		3602	$pkg = "main$pkg" if $pkg =~ /^::/;
		3603	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3604	$pkg .= '::' unless $pkg =~ /::$/;
		3605	}
		3606
		3607	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3608	my $stem_symtab = *{$stem}{HASH};
		3609
		3610	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3611	or return;
		3612
		3613	# clear all symbols
		3614	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3615	for my $name (keys %$leaf_symtab) {
		3616	_gv_clear *{"$pkg$name"};
		3617	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3618	}
		3619	warn "cleared package #$pkg\n";#d#
		3620	}
		3621
		3622	our $RELOAD; # how many times to reload
		3623
2513	sub reload() {	3624	sub do_reload_perl() {
2514	# can/must only be called in main	3625	# can/must only be called in main
2515	if ($Coro::current != $Coro::main) {	3626	if ($Coro::current != $Coro::main) {
2516	warn "can only reload from main coroutine";	3627	warn "can only reload from main coroutine";
2517	return;	3628	return;
2518	}	3629	}
2519		3630
		3631	return if $RELOAD++;
		3632
		3633	while ($RELOAD) {
2520	warn "reloading...";	3634	warn "reloading...";
2521		3635
2522	warn "entering sync_job";	3636	warn "entering sync_job";
2523		3637
2524	cf::sync_job {	3638	cf::sync_job {
2525	cf::write_runtime; # external watchdog should not bark	3639	cf::write_runtime_sync; # external watchdog should not bark
2526	cf::emergency_save;	3640	cf::emergency_save;
2527	cf::write_runtime; # external watchdog should not bark	3641	cf::write_runtime_sync; # external watchdog should not bark
2528		3642
2529	warn "syncing database to disk";	3643	warn "syncing database to disk";
2530	BDB::db_env_txn_checkpoint $DB_ENV;	3644	BDB::db_env_txn_checkpoint $DB_ENV;
2531		3645
2532	# if anything goes wrong in here, we should simply crash as we already saved	3646	# if anything goes wrong in here, we should simply crash as we already saved
2533		3647
2534	warn "cancelling all WF_AUTOCANCEL watchers";
2535	for (Event::all_watchers) {
2536	$_->cancel if $_->data & WF_AUTOCANCEL;
2537	}
2538
2539	warn "flushing outstanding aio requests";	3648	warn "flushing outstanding aio requests";
2540	for (;;) {
2541	BDB::flush;
2542	IO::AIO::flush;
2543	Coro::cede;
2544	last unless IO::AIO::nreqs || BDB::nreqs;	3649	while (IO::AIO::nreqs || BDB::nreqs) {
2545	warn "iterate...";	3650	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2546	}
2547
2548	++$RELOAD;
2549
2550	warn "cancelling all extension coros";
2551	$_->cancel for values %EXT_CORO;
2552	%EXT_CORO = ();
2553
2554	warn "removing commands";
2555	%COMMAND = ();
2556
2557	warn "removing ext commands";
2558	%EXTCMD = ();
2559
2560	warn "unloading/nuking all extensions";
2561	for my $pkg (@EXTS) {
2562	warn "... unloading $pkg";
2563
2564	if (my $cb = $pkg->can ("unload")) {
2565	eval {
2566	$cb->($pkg);
2567	1
2568	} or warn "$pkg unloaded, but with errors: $@";
2569	}	3651	}
2570		3652
2571	warn "... nuking $pkg";	3653	warn "cancelling all extension coros";
2572	Symbol::delete_package $pkg;	3654	$_->cancel for values %EXT_CORO;
2573	}	3655	%EXT_CORO = ();
2574		3656
2575	warn "unloading all perl modules loaded from $LIBDIR";	3657	warn "removing commands";
2576	while (my ($k, $v) = each %INC) {	3658	%COMMAND = ();
2577	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2578		3659
		3660	warn "removing ext/exti commands";
		3661	%EXTCMD = ();
		3662	%EXTICMD = ();
		3663
		3664	warn "unloading/nuking all extensions";
		3665	for my $pkg (@EXTS) {
2579	warn "... unloading $k";	3666	warn "... unloading $pkg";
2580	delete $INC{$k};
2581		3667
2582	$k =~ s/\.pm$//;
2583	$k =~ s/\//::/g;
2584
2585	if (my $cb = $k->can ("unload_module")) {	3668	if (my $cb = $pkg->can ("unload")) {
		3669	eval {
2586	$cb->();	3670	$cb->($pkg);
		3671	1
		3672	} or warn "$pkg unloaded, but with errors: $@";
		3673	}
		3674
		3675	warn "... clearing $pkg";
		3676	clear_package $pkg;
2587	}	3677	}
2588		3678
2589	Symbol::delete_package $k;	3679	warn "unloading all perl modules loaded from $LIBDIR";
		3680	while (my ($k, $v) = each %INC) {
		3681	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3682
		3683	warn "... unloading $k";
		3684	delete $INC{$k};
		3685
		3686	$k =~ s/\.pm$//;
		3687	$k =~ s/\//::/g;
		3688
		3689	if (my $cb = $k->can ("unload_module")) {
		3690	$cb->();
		3691	}
		3692
		3693	clear_package $k;
2590	}	3694	}
2591		3695
2592	warn "getting rid of safe::, as good as possible";	3696	warn "getting rid of safe::, as good as possible";
2593	Symbol::delete_package "safe::$_"	3697	clear_package "safe::$_"
2594	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3698	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2595		3699
2596	warn "unloading cf.pm \"a bit\"";	3700	warn "unloading cf.pm \"a bit\"";
2597	delete $INC{"cf.pm"};	3701	delete $INC{"cf.pm"};
		3702	delete $INC{"cf/pod.pm"};
2598		3703
2599	# don't, removes xs symbols, too,	3704	# don't, removes xs symbols, too,
2600	# and global variables created in xs	3705	# and global variables created in xs
2601	#Symbol::delete_package __PACKAGE__;	3706	#clear_package __PACKAGE__;
2602		3707
2603	warn "unload completed, starting to reload now";	3708	warn "unload completed, starting to reload now";
2604		3709
2605	warn "reloading cf.pm";	3710	warn "reloading cf.pm";
2606	require cf;	3711	require cf;
2607	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3712	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2608		3713
2609	warn "loading config and database again";	3714	warn "loading config and database again";
2610	cf::cfg_load;	3715	cf::reload_config;
2611		3716
2612	warn "loading extensions";	3717	warn "loading extensions";
2613	cf::load_extensions;	3718	cf::load_extensions;
2614		3719
2615	warn "reattaching attachments to objects/players";	3720	warn "reattaching attachments to objects/players";
2616	_global_reattach; # objects, sockets	3721	_global_reattach; # objects, sockets
2617	warn "reattaching attachments to maps";	3722	warn "reattaching attachments to maps";
2618	reattach $_ for values %MAP;	3723	reattach $_ for values %MAP;
2619	warn "reattaching attachments to players";	3724	warn "reattaching attachments to players";
2620	reattach $_ for values %PLAYER;	3725	reattach $_ for values %PLAYER;
2621		3726
2622	warn "loading reloadable resources";
2623	reload_resources;
2624
2625	warn "leaving sync_job";	3727	warn "leaving sync_job";
2626		3728
2627	1	3729	1
2628	} or do {	3730	} or do {
2629	warn $@;	3731	warn $@;
2630	warn "error while reloading, exiting.";	3732	cf::cleanup "error while reloading, exiting.";
2631	exit 1;	3733	};
		3734
		3735	warn "reloaded";
		3736	--$RELOAD;
		3737	}
		3738	};
		3739
		3740	our $RELOAD_WATCHER; # used only during reload
		3741
		3742	sub reload_perl() {
		3743	# doing reload synchronously and two reloads happen back-to-back,
		3744	# coro crashes during coro_state_free->destroy here.
		3745
		3746	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3747	do_reload_perl;
		3748	undef $RELOAD_WATCHER;
2632	};	3749	};
2633		3750	}
2634	warn "reloaded";
2635	};
2636
2637	our $RELOAD_WATCHER; # used only during reload
2638		3751
2639	register_command "reload" => sub {	3752	register_command "reload" => sub {
2640	my ($who, $arg) = @_;	3753	my ($who, $arg) = @_;
2641		3754
2642	if ($who->flag (FLAG_WIZ)) {	3755	if ($who->flag (FLAG_WIZ)) {
2643	$who->message ("reloading server.");	3756	$who->message ("reloading server.");
2644		3757	async {
2645	# doing reload synchronously and two reloads happen back-to-back,	3758	$Coro::current->{desc} = "perl_reload";
2646	# coro crashes during coro_state_free->destroy here.
2647
2648	$RELOAD_WATCHER ||= Event->timer (
2649	reentrant => 0,
2650	after => 0,
2651	data => WF_AUTOCANCEL,
2652	cb => sub {
2653	reload;	3759	reload_perl;
2654	undef $RELOAD_WATCHER;
2655	},
2656	);	3760	};
2657	}	3761	}
2658	};	3762	};
2659		3763
2660	unshift @INC, $LIBDIR;	3764	unshift @INC, $LIBDIR;
2661		3765
…		…
2663		3767
2664	our @WAIT_FOR_TICK;	3768	our @WAIT_FOR_TICK;
2665	our @WAIT_FOR_TICK_BEGIN;	3769	our @WAIT_FOR_TICK_BEGIN;
2666		3770
2667	sub wait_for_tick {	3771	sub wait_for_tick {
2668	return unless $TICK_WATCHER->is_active;
2669	return if $Coro::current == $Coro::main;	3772	return if tick_inhibit || $Coro::current == $Coro::main;
2670		3773
2671	my $signal = new Coro::Signal;	3774	my $signal = new Coro::Signal;
2672	push @WAIT_FOR_TICK, $signal;	3775	push @WAIT_FOR_TICK, $signal;
2673	$signal->wait;	3776	$signal->wait;
2674	}	3777	}
2675		3778
2676	sub wait_for_tick_begin {	3779	sub wait_for_tick_begin {
2677	return unless $TICK_WATCHER->is_active;
2678	return if $Coro::current == $Coro::main;	3780	return if tick_inhibit || $Coro::current == $Coro::main;
2679		3781
2680	my $signal = new Coro::Signal;	3782	my $signal = new Coro::Signal;
2681	push @WAIT_FOR_TICK_BEGIN, $signal;	3783	push @WAIT_FOR_TICK_BEGIN, $signal;
2682	$signal->wait;	3784	$signal->wait;
2683	}	3785	}
2684		3786
2685	$TICK_WATCHER = Event->timer (	3787	sub tick {
2686	reentrant => 0,
2687	parked => 1,
2688	prio => 0,
2689	at => $NEXT_TICK || $TICK,
2690	data => WF_AUTOCANCEL,
2691	cb => sub {
2692	if ($Coro::current != $Coro::main) {	3788	if ($Coro::current != $Coro::main) {
2693	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3789	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2694	unless ++$bug_warning > 10;	3790	unless ++$bug_warning > 10;
2695	return;	3791	return;
2696	}	3792	}
2697		3793
2698	$NOW = Event::time;
2699
2700	cf::server_tick; # one server iteration	3794	cf::server_tick; # one server iteration
2701		3795
2702	$RUNTIME += $TICK;
2703	$NEXT_TICK += $TICK;
2704
2705	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3796	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2706	$NEXT_RUNTIME_WRITE = $NOW + 10;	3797	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2707	Coro::async_pool {	3798	Coro::async_pool {
		3799	$Coro::current->{desc} = "runtime saver";
2708	write_runtime	3800	write_runtime_sync
2709	or warn "ERROR: unable to write runtime file: $!";	3801	or warn "ERROR: unable to write runtime file: $!";
2710	};
2711	}	3802	};
		3803	}
2712		3804
2713	# my $AFTER = Event::time;
2714	# warn $AFTER - $NOW;#d#
2715
2716	# if we are delayed by four ticks or more, skip them all
2717	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2718
2719	$TICK_WATCHER->at ($NEXT_TICK);
2720	$TICK_WATCHER->start;
2721
2722	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3805	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2723	$sig->send;	3806	$sig->send;
2724	}	3807	}
2725	while (my $sig = shift @WAIT_FOR_TICK) {	3808	while (my $sig = shift @WAIT_FOR_TICK) {
2726	$sig->send;	3809	$sig->send;
2727	}
2728
2729	_post_tick;
2730	},	3810	}
2731	);	3811
		3812	$LOAD = ($NOW - $TICK_START) / $TICK;
		3813	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3814
		3815	if (0) {
		3816	if ($NEXT_TICK) {
		3817	my $jitter = $TICK_START - $NEXT_TICK;
		3818	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3819	warn "jitter $JITTER\n";#d#
		3820	}
		3821	}
		3822	}
2732		3823
2733	{	3824	{
2734	BDB::max_poll_time $TICK * 0.1;	3825	# configure BDB
2735	$BDB_POLL_WATCHER = Event->io (	3826
2736	reentrant => 0,
2737	fd => BDB::poll_fileno,
2738	poll => 'r',
2739	prio => 0,
2740	data => WF_AUTOCANCEL,
2741	cb => \&BDB::poll_cb,
2742	);
2743	BDB::min_parallel 8;	3827	BDB::min_parallel 8;
2744		3828	BDB::max_poll_reqs $TICK * 0.1;
2745	BDB::set_sync_prepare {	3829	$AnyEvent::BDB::WATCHER->priority (1);
2746	my $status;
2747	my $current = $Coro::current;
2748	(
2749	sub {
2750	$status = $!;
2751	$current->ready; undef $current;
2752	},
2753	sub {
2754	Coro::schedule while defined $current;
2755	$! = $status;
2756	},
2757	)
2758	};
2759		3830
2760	unless ($DB_ENV) {	3831	unless ($DB_ENV) {
2761	$DB_ENV = BDB::db_env_create;	3832	$DB_ENV = BDB::db_env_create;
		3833	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3834	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3835	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3836	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3837	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2762		3838
2763	cf::sync_job {	3839	cf::sync_job {
2764	eval {	3840	eval {
2765	BDB::db_env_open	3841	BDB::db_env_open
2766	$DB_ENV,	3842	$DB_ENV,
2767	$BDB_ENV_DIR,	3843	$BDBDIR,
2768	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3844	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2769	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3845	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2770	0666;	3846	0666;
2771		3847
2772	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3848	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2773
2774	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2775	$DB_ENV->set_lk_detect;
2776	};	3849	};
2777		3850
2778	cf::cleanup "db_env_open(db): $@" if $@;	3851	cf::cleanup "db_env_open(db): $@" if $@;
2779	};	3852	};
2780	}	3853	}
		3854
		3855	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3856	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3857	};
		3858	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3859	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3860	};
		3861	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3862	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3863	};
2781	}	3864	}
2782		3865
2783	{	3866	{
		3867	# configure IO::AIO
		3868
2784	IO::AIO::min_parallel 8;	3869	IO::AIO::min_parallel 8;
2785
2786	undef $Coro::AIO::WATCHER;
2787	IO::AIO::max_poll_time $TICK * 0.1;	3870	IO::AIO::max_poll_time $TICK * 0.1;
2788	$AIO_POLL_WATCHER = Event->io (	3871	undef $AnyEvent::AIO::WATCHER;
2789	reentrant => 0,
2790	data => WF_AUTOCANCEL,
2791	fd => IO::AIO::poll_fileno,
2792	poll => 'r',
2793	prio => 6,
2794	cb => \&IO::AIO::poll_cb,
2795	);
2796	}	3872	}
		3873
		3874	my $_log_backtrace;
		3875
		3876	sub _log_backtrace {
		3877	my ($msg, @addr) = @_;
		3878
		3879	$msg =~ s/\n//;
		3880
		3881	# limit the # of concurrent backtraces
		3882	if ($_log_backtrace < 2) {
		3883	++$_log_backtrace;
		3884	async {
		3885	$Coro::current->{desc} = "abt $msg";
		3886
		3887	my @bt = fork_call {
		3888	@addr = map { sprintf "%x", $_ } @addr;
		3889	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3890	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3891	or die "addr2line: $!";
		3892
		3893	my @funcs;
		3894	my @res = <$fh>;
		3895	chomp for @res;
		3896	while (@res) {
		3897	my ($func, $line) = splice @res, 0, 2, ();
		3898	push @funcs, "[$func] $line";
		3899	}
		3900
		3901	@funcs
		3902	};
		3903
		3904	LOG llevInfo, "[ABT] $msg\n";
		3905	LOG llevInfo, "[ABT] $_\n" for @bt;
		3906	--$_log_backtrace;
		3907	};
		3908	} else {
		3909	LOG llevInfo, "[ABT] $msg\n";
		3910	LOG llevInfo, "[ABT] [suppressed]\n";
		3911	}
		3912	}
		3913
		3914	# load additional modules
		3915	use cf::pod;
2797		3916
2798	END { cf::emergency_save }	3917	END { cf::emergency_save }
2799		3918
2800	1	3919	1
2801		3920

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