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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.211 by root, Tue Feb 13 16:23:32 2007 UTC vs.
Revision 1.441 by root, Sat Aug 30 05:19:03 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
		31	use EV;
9	use Opcode;	32	use Opcode;
10	use Safe;	33	use Safe;
11	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
12		36
13	use Coro 3.5 ();	37	use Coro ();
		38	use Coro::State;
		39	use Coro::Handle;
		40	use Coro::EV;
14	use Coro::Event;	41	use Coro::AnyEvent;
15	use Coro::Timer;	42	use Coro::Timer;
16	use Coro::Signal;	43	use Coro::Signal;
17	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
18	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
		48	use Coro::Storable;
		49	use Coro::Util ();
19		50
		51	use JSON::XS 2.01 ();
20	use BDB ();	52	use BDB ();
21	use Data::Dumper;	53	use Data::Dumper;
22	use Digest::MD5;	54	use Digest::MD5;
23	use Fcntl;	55	use Fcntl;
		56	use YAML ();
24	use IO::AIO 2.32 ();	57	use IO::AIO ();
25	use YAML::Syck ();
26	use Time::HiRes;	58	use Time::HiRes;
27	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
28		61
		62	AnyEvent::detect;
		63
		64	# configure various modules to our taste
		65	#
		66	$Storable::canonical = 1; # reduce rsync transfers
		67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
29	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
30		69
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		71
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	72	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		73
40	our %COMMAND = ();	74	our %COMMAND = ();
41	our %COMMAND_TIME = ();	75	our %COMMAND_TIME = ();
42		76
43	our @EXTS = (); # list of extension package names	77	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	78	our %EXTCMD = ();
		79	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	80	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	81	our %EXT_MAP = (); # pluggable maps
47		82
		83	our $RELOAD; # number of reloads so far
48	our @EVENT;	84	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		85
51	our $TICK = MAX_TIME * 1e-6;	86	our $CONFDIR = confdir;
52	our $TICK_WATCHER;	87	our $DATADIR = datadir;
53	our $AIO_POLL_WATCHER;	88	our $LIBDIR = "$DATADIR/ext";
54	our $WRITE_RUNTIME_WATCHER;	89	our $PODDIR = "$DATADIR/pod";
		90	our $MAPDIR = "$DATADIR/" . mapdir;
		91	our $LOCALDIR = localdir;
		92	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		93	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		94	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		95	our $RANDOMDIR = "$LOCALDIR/random";
		96	our $BDBDIR = "$LOCALDIR/db";
		97	our %RESOURCE;
		98
		99	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		100	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	101	our $NEXT_TICK;
56	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	102	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		103
		104	our $BDB_DEADLOCK_WATCHER;
		105	our $BDB_CHECKPOINT_WATCHER;
59	our $BDB_POLL_WATCHER;	106	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	107	our $DB_ENV;
61		108
62	our %CFG;	109	our %CFG;
63		110
64	our $UPTIME; $UPTIME ||= time;	111	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	112	our $RUNTIME;
		113	our $NOW;
66		114
67	our %PLAYER; # all users	115	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	116	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	117	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		118
76	# 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 ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	120	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		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 $TICK_START; # for load detecting purposes
		126
79	binmode STDOUT;	127	binmode STDOUT;
80	binmode STDERR;	128	binmode STDERR;
81		129
82	# read virtual server time, if available	130	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	131	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84	open my $fh, "<", cf::localdir . "/runtime"	132	open my $fh, "<", "$LOCALDIR/runtime"
85	or die "unable to read runtime file: $!";	133	or die "unable to read runtime file: $!";
86	$RUNTIME = <$fh> + 0.;	134	$RUNTIME = <$fh> + 0.;
87	}	135	}
88		136
89	mkdir cf::localdir;	137	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	138	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91	mkdir cf::localdir . "/" . cf::tmpdir;
92	mkdir cf::localdir . "/" . cf::uniquedir;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		139
96	our $EMERGENCY_POSITION;	140	our $EMERGENCY_POSITION;
97		141
98	sub cf::map::normalise;	142	sub cf::map::normalise;
99		143
…		…
110	=item $cf::RUNTIME	154	=item $cf::RUNTIME
111		155
112	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
113	every server tick.	157	every server tick.
114		158
115	=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
116		162
117	The perl library directory, where extensions and cf-specific modules can	163	Various directories - "/etc", read-only install directory, perl-library
118	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.
119		167
120	=item $cf::NOW	168	=item $cf::NOW
121		169
122	The time of the last (current) server tick.	170	The time of the last (current) server tick.
123		171
124	=item $cf::TICK	172	=item $cf::TICK
125		173
126	The interval between server ticks, in seconds.	174	The interval between server ticks, in seconds.
127		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
128	=item %cf::CFG	186	=item %cf::CFG
129		187
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	188	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	189	from wherever your confdir points to.
132		190
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	191	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		192
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	193	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	194	returns directly I<after> the tick processing (and consequently, can only wake one process
137	processing has been done. Call C<< ->wait >> on them to maximise the	195	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138	window of cpu time available, or simply to synchronise to the server tick.	196
		197	=item @cf::INVOKE_RESULTS
		198
		199	This array contains the results of the last C<invoke ()> call. When
		200	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		201	that call.
139		202
140	=back	203	=back
141		204
142	=cut	205	=cut
143		206
144	BEGIN {	207	BEGIN {
145	*CORE::GLOBAL::warn = sub {	208	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	209	my $msg = join "", @_;
147	utf8::encode $msg;
148		210
149	$msg .= "\n"	211	$msg .= "\n"
150	unless $msg =~ /\n$/;	212	unless $msg =~ /\n$/;
151		213
		214	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		215
152	LOG llevError, $msg;	216	LOG llevError, $msg;
153	};	217	};
154	}	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#?
155		234
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	235	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	236	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	237	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	238	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@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';
161	@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)
162		242
163	# 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
164	# within the Safe compartment.	244	# within the Safe compartment.
165	for my $pkg (qw(	245	for my $pkg (qw(
166	cf::global cf::attachable	246	cf::global cf::attachable
167	cf::object cf::object::player	247	cf::object cf::object::player
168	cf::client cf::player	248	cf::client cf::player
169	cf::arch cf::living	249	cf::arch cf::living
		250	cf::map cf::mapspace
170	cf::map cf::party cf::region	251	cf::party cf::region
171	)) {	252	)) {
172	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	253	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	254	}
175		255
176	$Event::DIED = sub {	256	$EV::DIED = sub {
177	warn "error in event callback: @_";	257	warn "error in event callback: @_";
178	};	258	};
		259
		260	#############################################################################
179		261
180	=head2 UTILITY FUNCTIONS	262	=head2 UTILITY FUNCTIONS
181		263
182	=over 4	264	=over 4
183		265
…		…
202	$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;
203	$d	285	$d
204	} || "[unable to dump $_[0]: '$@']";	286	} || "[unable to dump $_[0]: '$@']";
205	}	287	}
206		288
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	289	=item $ref = cf::decode_json $json
210		290
211	Converts a JSON string into the corresponding perl data structure.	291	Converts a JSON string into the corresponding perl data structure.
212		292
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	293	=item $json = cf::encode_json $ref
221		294
222	Converts a perl data structure into its JSON representation.	295	Converts a perl data structure into its JSON representation.
223		296
224	=cut	297	=cut
225		298
226	sub to_json($) {	299	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	300
228	JSON::Syck::Dump $_[0]	301	sub encode_json($) { $json_coder->encode ($_[0]) }
229	}	302	sub decode_json($) { $json_coder->decode ($_[0]) }
230		303
231	=item cf::lock_wait $string	304	=item cf::lock_wait $string
232		305
233	Wait until the given lock is available. See cf::lock_acquire.	306	Wait until the given lock is available. See cf::lock_acquire.
234		307
…		…
237	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
238	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,
239	for example when the coroutine gets canceled), the lock is automatically	312	for example when the coroutine gets canceled), the lock is automatically
240	returned.	313	returned.
241		314
		315	Locks are *not* recursive, locking from the same coro twice results in a
		316	deadlocked coro.
		317
242	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
243	uses map_find and cf::map::load uses map_load).	319	uses map_find and cf::map::load uses map_load).
244		320
		321	=item $locked = cf::lock_active $string
		322
		323	Return true if the lock is currently active, i.e. somebody has locked it.
		324
245	=cut	325	=cut
246		326
247	our %LOCK;	327	our %LOCK;
		328	our %LOCKER;#d#
248		329
249	sub lock_wait($) {	330	sub lock_wait($) {
250	my ($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#
251		337
252	# wait for lock, if any	338	# wait for lock, if any
253	while ($LOCK{$key}) {	339	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;	340	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;	341	Coro::schedule;
…		…
261		347
262	# wait, to be sure we are not locked	348	# wait, to be sure we are not locked
263	lock_wait $key;	349	lock_wait $key;
264		350
265	$LOCK{$key} = [];	351	$LOCK{$key} = [];
		352	$LOCKER{$key} = $Coro::current;#d#
266		353
267	Coro::guard {	354	Coro::guard {
		355	delete $LOCKER{$key};#d#
268	# wake up all waiters, to be on the safe side	356	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	357	$_->ready for @{ delete $LOCK{$key} };
270	}	358	}
271	}	359	}
272		360
		361	sub lock_active($) {
		362	my ($key) = @_;
		363
		364	! ! $LOCK{$key}
		365	}
		366
273	sub freeze_mainloop {	367	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
275		369
276	my $guard = Coro::guard {	370	Coro::guard \&tick_inhibit_dec;
277	$TICK_WATCHER->start;	371	}
278	$WRITE_RUNTIME_WATCHER->start;	372
		373	=item cf::periodic $interval, $cb
		374
		375	Like EV::periodic, but randomly selects a starting point so that the actions
		376	get spread over timer.
		377
		378	=cut
		379
		380	sub periodic($$) {
		381	my ($interval, $cb) = @_;
		382
		383	my $start = rand List::Util::min 180, $interval;
		384
		385	EV::periodic $start, $interval, 0, $cb
		386	}
		387
		388	=item cf::get_slot $time[, $priority[, $name]]
		389
		390	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		391	This call blocks and returns only when you have at least C<$time> seconds
		392	of cpu time till the next tick. The slot is only valid till the next cede.
		393
		394	The optional C<$name> can be used to identify the job to run. It might be
		395	used for statistical purposes and should identify the same time-class.
		396
		397	Useful for short background jobs.
		398
		399	=cut
		400
		401	our @SLOT_QUEUE;
		402	our $SLOT_QUEUE;
		403
		404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		405	$SLOT_QUEUE = Coro::async {
		406	$Coro::current->desc ("timeslot manager");
		407
		408	my $signal = new Coro::Signal;
		409
		410	while () {
		411	next_job:
		412	my $avail = cf::till_tick;
		413	if ($avail > 0.01) {
		414	for (0 .. $#SLOT_QUEUE) {
		415	if ($SLOT_QUEUE[$_][0] < $avail) {
		416	my $job = splice @SLOT_QUEUE, $_, 1, ();
		417	$job->[2]->send;
		418	Coro::cede;
		419	goto next_job;
		420	}
		421	}
		422	}
		423
		424	if (@SLOT_QUEUE) {
		425	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		426	push @cf::WAIT_FOR_TICK, $signal;
		427	$signal->wait;
		428	} else {
		429	Coro::schedule;
		430	}
279	};	431	}
280	$WRITE_RUNTIME_WATCHER->stop;	432	};
281	$TICK_WATCHER->stop;	433
282	$guard	434	sub get_slot($;$$) {
		435	return if tick_inhibit || $Coro::current == $Coro::main;
		436
		437	my ($time, $pri, $name) = @_;
		438
		439	$time = $TICK * .6 if $time > $TICK * .6;
		440	my $sig = new Coro::Signal;
		441
		442	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		443	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		444	$SLOT_QUEUE->ready;
		445	$sig->wait;
283	}	446	}
284		447
285	=item cf::async { BLOCK }	448	=item cf::async { BLOCK }
286		449
287	Currently the same as Coro::async_pool, meaning you cannot use	450	Currently the same as Coro::async_pool, meaning you cannot use
…		…
292		455
293	BEGIN { *async = \&Coro::async_pool }	456	BEGIN { *async = \&Coro::async_pool }
294		457
295	=item cf::sync_job { BLOCK }	458	=item cf::sync_job { BLOCK }
296		459
297	The design of crossfire+ requires that the main coro ($Coro::main) is	460	The design of Deliantra requires that the main coroutine ($Coro::main)
298	always able to handle events or runnable, as crossfire+ is only partly	461	is always able to handle events or runnable, as Deliantra is only
299	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	462	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		463	acceptable.
300		464
301	If it must be done, put the blocking parts into C<sync_job>. This will run	465	If it must be done, put the blocking parts into C<sync_job>. This will run
302	the given BLOCK in another coroutine while waiting for the result. The	466	the given BLOCK in another coroutine while waiting for the result. The
303	server will be frozen during this time, so the block should either finish	467	server will be frozen during this time, so the block should either finish
304	fast or be very important.	468	fast or be very important.
…		…
307		471
308	sub sync_job(&) {	472	sub sync_job(&) {
309	my ($job) = @_;	473	my ($job) = @_;
310		474
311	if ($Coro::current == $Coro::main) {	475	if ($Coro::current == $Coro::main) {
		476	my $time = EV::time;
		477
312	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
313	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
314		480
315	# TODO: use suspend/resume instead	481	LOG llevError, Carp::longmess "sync job";#d#
316	# (but this is cancel-safe)	482
317	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
318		484
319	my $busy = 1;	485	my $busy = 1;
320	my @res;	486	my @res;
321		487
322	(async {	488	(async {
		489	$Coro::current->desc ("sync job coro");
323	@res = eval { $job->() };	490	@res = eval { $job->() };
324	warn $@ if $@;	491	warn $@ if $@;
325	undef $busy;	492	undef $busy;
326	})->prio (Coro::PRIO_MAX);	493	})->prio (Coro::PRIO_MAX);
327		494
328	while ($busy) {	495	while ($busy) {
329	Coro::cede or Event::one_event;	496	if (Coro::nready) {
		497	Coro::cede_notself;
		498	} else {
		499	EV::loop EV::LOOP_ONESHOT;
330	}	500	}
		501	}
		502
		503	my $time = EV::time - $time;
		504
		505	$TICK_START += $time; # do not account sync jobs to server load
331		506
332	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
333	} else {	508	} else {
334	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
335		510
…		…
355	$EXT_CORO{$coro+0} = $coro;	530	$EXT_CORO{$coro+0} = $coro;
356		531
357	$coro	532	$coro
358	}	533	}
359		534
360	sub write_runtime {	535	=item fork_call { }, $args
361	$TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1;
362		536
363	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.
364		541
365	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	542	=cut
366	or return;
367		543
368	my $value = $cf::RUNTIME + 90 + 10;	544	sub fork_call(&@) {
369	# 10 is the runtime save interval, for a monotonic clock	545	my ($cb, @args) = @_;
370	# 60 allows for the watchdog to kill the server.
371		546
372	(aio_write $fh, 0, (length $value), $value, 0) <= 0	547	# we seemingly have to make a local copy of the whole thing,
373	and return;	548	# otherwise perl prematurely frees the stuff :/
		549	# TODO: investigate and fix (likely this will be rather laborious)
374		550
375	# always fsync - this file is important	551	my @res = Coro::Util::fork_eval {
376	aio_fsync $fh	552	reset_signals;
377	and return;	553	&$cb
		554	}, @args;
378		555
379	close $fh	556	wantarray ? @res : $res[-1]
380	or return;	557	}
381		558
382	aio_rename "$runtime~", $runtime	559	=item $coin = coin_from_name $name
383	and return;
384		560
		561	=cut
		562
		563	our %coin_alias = (
		564	"silver" => "silvercoin",
		565	"silvercoin" => "silvercoin",
		566	"silvercoins" => "silvercoin",
		567	"gold" => "goldcoin",
		568	"goldcoin" => "goldcoin",
		569	"goldcoins" => "goldcoin",
		570	"platinum" => "platinacoin",
		571	"platinumcoin" => "platinacoin",
		572	"platinumcoins" => "platinacoin",
		573	"platina" => "platinacoin",
		574	"platinacoin" => "platinacoin",
		575	"platinacoins" => "platinacoin",
		576	"royalty" => "royalty",
		577	"royalties" => "royalty",
		578	);
		579
		580	sub coin_from_name($) {
		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($$) {
		628	my $key = "$_[0]/$_[1]";
		629
		630	cf::sync_job {
		631	BDB::db_get $DB, undef, $key, my $data;
		632
		633	$! ? ()
		634	: $data
385	1	635	}
		636	}
		637
		638	sub db_put($$$) {
		639	BDB::dbreq_pri 4;
		640	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		641	}
		642
		643	=item cf::cache $id => [$paths...], $processversion => $process
		644
		645	Generic caching function that returns the value of the resource $id,
		646	caching and regenerating as required.
		647
		648	This function can block.
		649
		650	=cut
		651
		652	sub cache {
		653	my ($id, $src, $processversion, $process) = @_;
		654
		655	my $meta =
		656	join "\x00",
		657	$processversion,
		658	map {
		659	aio_stat $_
		660	and Carp::croak "$_: $!";
		661
		662	($_, (stat _)[7,9])
		663	} @$src;
		664
		665	my $dbmeta = db_get cache => "$id/meta";
		666	if ($dbmeta ne $meta) {
		667	# changed, we may need to process
		668
		669	my @data;
		670	my $md5;
		671
		672	for (0 .. $#$src) {
		673	0 <= aio_load $src->[$_], $data[$_]
		674	or Carp::croak "$src->[$_]: $!";
		675	}
		676
		677	# if processing is expensive, check
		678	# checksum first
		679	if (1) {
		680	$md5 =
		681	join "\x00",
		682	$processversion,
		683	map {
		684	cf::cede_to_tick;
		685	($src->[$_], Digest::MD5::md5_hex $data[$_])
		686	} 0.. $#$src;
		687
		688
		689	my $dbmd5 = db_get cache => "$id/md5";
		690	if ($dbmd5 eq $md5) {
		691	db_put cache => "$id/meta", $meta;
		692
		693	return db_get cache => "$id/data";
		694	}
		695	}
		696
		697	my $t1 = Time::HiRes::time;
		698	my $data = $process->(\@data);
		699	my $t2 = Time::HiRes::time;
		700
		701	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		702
		703	db_put cache => "$id/data", $data;
		704	db_put cache => "$id/md5" , $md5;
		705	db_put cache => "$id/meta", $meta;
		706
		707	return $data;
		708	}
		709
		710	db_get cache => "$id/data"
		711	}
		712
		713	=item cf::datalog type => key => value, ...
		714
		715	Log a datalog packet of the given type with the given key-value pairs.
		716
		717	=cut
		718
		719	sub datalog($@) {
		720	my ($type, %kv) = @_;
		721	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
386	}	722	}
387		723
388	=back	724	=back
389		725
390	=cut	726	=cut
…		…
397	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")
398	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
399		735
400	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>
401	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
402	crossfire+).	738	Deliantra).
403		739
404	=over 4	740	=over 4
405		741
406	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
407		743
…		…
570	$registry = $CB_TYPE[$object_type] ||= [];	906	$registry = $CB_TYPE[$object_type] ||= [];
571		907
572	} elsif ($type eq "subtype") {	908	} elsif ($type eq "subtype") {
573	defined $object_type or Carp::croak "subtype specified without type";	909	defined $object_type or Carp::croak "subtype specified without type";
574	my $object_subtype = shift @arg;	910	my $object_subtype = shift @arg;
575	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	911	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
576		912
577	} elsif ($type eq "package") {	913	} elsif ($type eq "package") {
578	my $pkg = shift @arg;	914	my $pkg = shift @arg;
579		915
580	while (my ($name, $id) = each %cb_id) {	916	while (my ($name, $id) = each %cb_id) {
…		…
609	_attach $registry, $klass, @attach;	945	_attach $registry, $klass, @attach;
610	}	946	}
611		947
612	$obj->{$name} = \%arg;	948	$obj->{$name} = \%arg;
613	} else {	949	} else {
614	warn "object uses attachment '$name' that is not available, postponing.\n";	950	warn "object uses attachment '$name' which is not available, postponing.\n";
615	}	951	}
616		952
617	$obj->{_attachment}{$name} = undef;	953	$obj->{_attachment}{$name} = undef;
618	}	954	}
619		955
…		…
621	if (ref $_[0]) {	957	if (ref $_[0]) {
622	_object_attach @_;	958	_object_attach @_;
623	} else {	959	} else {
624	_attach shift->_attach_registry, @_;	960	_attach shift->_attach_registry, @_;
625	}	961	}
		962	_recalc_want;
626	};	963	};
627		964
628	# all those should be optimised	965	# all those should be optimised
629	sub cf::attachable::detach {	966	sub cf::attachable::detach {
630	my ($obj, $name) = @_;	967	my ($obj, $name) = @_;
…		…
633	delete $obj->{_attachment}{$name};	970	delete $obj->{_attachment}{$name};
634	reattach ($obj);	971	reattach ($obj);
635	} else {	972	} else {
636	Carp::croak "cannot, currently, detach class attachments";	973	Carp::croak "cannot, currently, detach class attachments";
637	}	974	}
		975	_recalc_want;
638	};	976	};
639		977
640	sub cf::attachable::attached {	978	sub cf::attachable::attached {
641	my ($obj, $name) = @_;	979	my ($obj, $name) = @_;
642		980
…		…
657	";	995	";
658	die if $@;	996	die if $@;
659	}	997	}
660		998
661	our $override;	999	our $override;
662	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?
663		1001
664	sub override {	1002	sub override {
665	$override = 1;	1003	$override = 1;
666	@invoke_results = ();	1004	@INVOKE_RESULTS = (@_);
667	}	1005	}
668		1006
669	sub do_invoke {	1007	sub do_invoke {
670	my $event = shift;	1008	my $event = shift;
671	my $callbacks = shift;	1009	my $callbacks = shift;
672		1010
673	@invoke_results = ();	1011	@INVOKE_RESULTS = ();
674		1012
675	local $override;	1013	local $override;
676		1014
677	for (@$callbacks) {	1015	for (@$callbacks) {
678	eval { &{$_->[1]} };	1016	eval { &{$_->[1]} };
…		…
687	}	1025	}
688		1026
689	0	1027	0
690	}	1028	}
691		1029
692	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
693		1031
694	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
695		1033
696	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
697		1035
698	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
699	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
700	results (if you must, access C<@cf::invoke_results> directly).	1038	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
701		1039
702	=back	1040	=back
703		1041
704	=cut	1042	=cut
705		1043
706	#############################################################################	1044	#############################################################################
707	# 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, $ob2
		1087	}
708		1088
709	sub reattach {	1089	sub reattach {
710	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
711	my ($obj) = @_;	1091	my ($obj) = @_;
712		1092
		1093	# no longer needed after getting rid of delete_package?
713	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
714		1095
715	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
716		1097
717	@$registry = ();	1098	@$registry = ();
718		1099
…		…
733	cf::attachable->attach (	1114	cf::attachable->attach (
734	prio => -1000000,	1115	prio => -1000000,
735	on_instantiate => sub {	1116	on_instantiate => sub {
736	my ($obj, $data) = @_;	1117	my ($obj, $data) = @_;
737		1118
738	$data = from_json $data;	1119	$data = decode_json $data;
739		1120
740	for (@$data) {	1121	for (@$data) {
741	my ($name, $args) = @$_;	1122	my ($name, $args) = @$_;
742		1123
743	$obj->attach ($name, %{$args || {} });	1124	$obj->attach ($name, %{$args || {} });
…		…
759	sub object_freezer_save {	1140	sub object_freezer_save {
760	my ($filename, $rdata, $objs) = @_;	1141	my ($filename, $rdata, $objs) = @_;
761		1142
762	sync_job {	1143	sync_job {
763	if (length $$rdata) {	1144	if (length $$rdata) {
		1145	utf8::decode (my $decname = $filename);
764	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
765	$filename, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
766		1148
767	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
768	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
769	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
770	aio_fsync $fh if $cf::USE_FSYNC;	1152	aio_fsync $fh if $cf::USE_FSYNC;
771	close $fh;	1153	aio_close $fh;
772		1154
773	if (@$objs) {	1155	if (@$objs) {
774	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) {
775	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
776	my $data = Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
777	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
778	aio_fsync $fh if $cf::USE_FSYNC;	1160	aio_fsync $fh if $cf::USE_FSYNC;
779	close $fh;	1161	aio_close $fh;
780	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
781	}	1163	}
782	} else {	1164	} else {
783	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
784	}	1166	}
…		…
789	}	1171	}
790	} else {	1172	} else {
791	aio_unlink $filename;	1173	aio_unlink $filename;
792	aio_unlink "$filename.pst";	1174	aio_unlink "$filename.pst";
793	}	1175	}
794
795	#d##TODO# nuke non .map-files if exist
796	if ($filename =~ s/\.map$//) {
797	aio_unlink $filename;
798	aio_unlink "$filename.pst";
799	}
800	}	1176	};
801	}	1177	}
802		1178
803	sub object_freezer_as_string {	1179	sub object_freezer_as_string {
804	my ($rdata, $objs) = @_;	1180	my ($rdata, $objs) = @_;
805		1181
…		…
810		1186
811	sub object_thawer_load {	1187	sub object_thawer_load {
812	my ($filename) = @_;	1188	my ($filename) = @_;
813		1189
814	my ($data, $av);	1190	my ($data, $av);
815
816	#d#TODO remove .map if file does not exist
817	aio_stat $filename and $filename =~ s/\.map$//;
818		1191
819	(aio_load $filename, $data) >= 0	1192	(aio_load $filename, $data) >= 0
820	or return;	1193	or return;
821		1194
822	unless (aio_stat "$filename.pst") {	1195	unless (aio_stat "$filename.pst") {
823	(aio_load "$filename.pst", $av) >= 0	1196	(aio_load "$filename.pst", $av) >= 0
824	or return;	1197	or return;
		1198
825	$av = eval { (Storable::thaw $av)->{objs} };	1199	my $st = eval { Coro::Storable::thaw $av };
		1200	$av = $st->{objs};
826	}	1201	}
827		1202
		1203	utf8::decode (my $decname = $filename);
828	warn sprintf "loading %s (%d)\n",	1204	warn sprintf "loading %s (%d,%d)\n",
829	$filename, length $data, scalar @{$av || []};#d#	1205	$decname, length $data, scalar @{$av || []};
		1206
830	return ($data, $av);	1207	($data, $av)
831	}	1208	}
		1209
		1210	=head2 COMMAND CALLBACKS
		1211
		1212	=over 4
		1213
		1214	=cut
832		1215
833	#############################################################################	1216	#############################################################################
834	# command handling &c	1217	# command handling &c
835		1218
836	=item cf::register_command $name => \&callback($ob,$args);	1219	=item cf::register_command $name => \&callback($ob,$args);
…		…
849	push @{ $COMMAND{$name} }, [$caller, $cb];	1232	push @{ $COMMAND{$name} }, [$caller, $cb];
850	}	1233	}
851		1234
852	=item cf::register_extcmd $name => \&callback($pl,$packet);	1235	=item cf::register_extcmd $name => \&callback($pl,$packet);
853		1236
854	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.
855		1242
856	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
857	called.	1244	called.
858		1245
		1246	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1247
		1248	Register a callback for execution when the client sends an (asynchronous)
		1249	exticmd packet. Exti commands are processed by the server as soon as they
		1250	are received, i.e. out of order w.r.t. other commands. The first argument
		1251	is a client socket. Exti commands can be received anytime, even before
		1252	log-in.
		1253
		1254	If the callback returns something, it is sent back as if reply was being
		1255	called.
		1256
859	=cut	1257	=cut
860		1258
861	sub register_extcmd {	1259	sub register_extcmd {
862	my ($name, $cb) = @_;	1260	my ($name, $cb) = @_;
863		1261
864	$EXTCMD{$name} = $cb;	1262	$EXTCMD{$name} = $cb;
		1263	}
		1264
		1265	sub register_exticmd {
		1266	my ($name, $cb) = @_;
		1267
		1268	$EXTICMD{$name} = $cb;
865	}	1269	}
866		1270
867	cf::player->attach (	1271	cf::player->attach (
868	on_command => sub {	1272	on_command => sub {
869	my ($pl, $name, $params) = @_;	1273	my ($pl, $name, $params) = @_;
…		…
878	cf::override;	1282	cf::override;
879	},	1283	},
880	on_extcmd => sub {	1284	on_extcmd => sub {
881	my ($pl, $buf) = @_;	1285	my ($pl, $buf) = @_;
882		1286
883	my $msg = eval { from_json $buf };	1287	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
884		1288
885	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
886	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1297	if (my $cb = $EXTCMD{$type}) {
887	if (my %reply = $cb->($pl, $msg)) {	1298	@reply = $cb->($pl, @payload);
888	$pl->ext_reply ($msg->{msgid}, %reply);
889	}
890	}	1299	}
		1300
		1301	$pl->ext_reply ($reply, @reply)
		1302	if $reply;
		1303
891	} else {	1304	} else {
892	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1305	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
893	}	1306	}
894		1307
895	cf::override;	1308	cf::override;
896	},	1309	},
897	);	1310	);
898		1311
899	sub load_extension {
900	my ($path) = @_;
901
902	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
903	my $base = $1;
904	my $pkg = $1;
905	$pkg =~ s/[^[:word:]]/_/g;
906	$pkg = "ext::$pkg";
907
908	warn "... loading '$path' into '$pkg'\n";
909
910	open my $fh, "<:utf8", $path
911	or die "$path: $!";
912
913	my $source =
914	"package $pkg; use strict; use utf8;\n"
915	. "#line 1 \"$path\"\n{\n"
916	. (do { local $/; <$fh> })
917	. "\n};\n1";
918
919	unless (eval $source) {
920	my $msg = $@ ? "$path: $@\n"
921	: "extension disabled.\n";
922	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
923	warn $@;
924	warn "mandatory extension failed to load, exiting.\n";
925	exit 1;
926	}
927	die $@;
928	}
929
930	push @EXTS, $pkg;
931	}
932
933	sub load_extensions {	1312	sub load_extensions {
		1313	cf::sync_job {
		1314	my %todo;
		1315
934	for my $ext (<$LIBDIR/*.ext>) {	1316	for my $path (<$LIBDIR/*.ext>) {
935	next unless -r $ext;	1317	next unless -r $path;
936	eval {	1318
937	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	$progress = 1;
938	1	1375	}
939	} or warn "$ext not loaded: $@";	1376
		1377	skip:
		1378	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1379	unless $progress;
		1380	}
940	}	1381	};
941	}	1382	}
942		1383
943	#############################################################################	1384	#############################################################################
944		1385
		1386	=back
		1387
945	=head2 CORE EXTENSIONS	1388	=head2 CORE EXTENSIONS
946		1389
947	Functions and methods that extend core crossfire objects.	1390	Functions and methods that extend core crossfire objects.
948		1391
949	=cut	1392	=cut
…		…
954		1397
955	=head3 cf::player	1398	=head3 cf::player
956		1399
957	=over 4	1400	=over 4
958		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
959	=item cf::player::find $login	1416	=item cf::player::find $login
960		1417
961	Returns the given player object, loading it if necessary (might block).	1418	Returns the given player object, loading it if necessary (might block).
962		1419
963	=cut	1420	=cut
964		1421
965	sub playerdir($) {	1422	sub playerdir($) {
966	cf::localdir	1423	"$PLAYERDIR/"
967	. "/"
968	. cf::playerdir
969	. "/"
970	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1424	. (ref $_[0] ? $_[0]->ob->name : $_[0])
971	}	1425	}
972		1426
973	sub path($) {	1427	sub path($) {
974	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1428	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
975		1429
976	(playerdir $login) . "/$login.pl"	1430	(playerdir $login) . "/playerdata"
977	}	1431	}
978		1432
979	sub find_active($) {	1433	sub find_active($) {
980	$cf::PLAYER{$_[0]}	1434	$cf::PLAYER{$_[0]}
981	and $cf::PLAYER{$_[0]}->active	1435	and $cf::PLAYER{$_[0]}->active
…		…
994	my $login = $_[0];	1448	my $login = $_[0];
995		1449
996	my $guard = cf::lock_acquire "user_find:$login";	1450	my $guard = cf::lock_acquire "user_find:$login";
997		1451
998	$cf::PLAYER{$_[0]} || do {	1452	$cf::PLAYER{$_[0]} || do {
999	my $pl = load_pl path $login	1453	# rename old playerfiles to new ones
		1454	#TODO: remove when no longer required
		1455	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1456	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1457	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1458	aio_unlink +(playerdir $login) . "/$login.pl";
		1459
		1460	my $f = new_from_file cf::object::thawer path $login
1000	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;
1001	$cf::PLAYER{$login} = $pl	1468	$cf::PLAYER{$login} = $pl
1002	}	1469	}
1003	}	1470	}
1004	}	1471	}
1005		1472
…		…
1014	return if $pl->{deny_save};	1481	return if $pl->{deny_save};
1015		1482
1016	aio_mkdir playerdir $pl, 0770;	1483	aio_mkdir playerdir $pl, 0770;
1017	$pl->{last_save} = $cf::RUNTIME;	1484	$pl->{last_save} = $cf::RUNTIME;
1018		1485
		1486	cf::get_slot 0.01;
		1487
1019	$pl->save_pl ($path);	1488	$pl->save_pl ($path);
1020	Coro::cede;	1489	cf::cede_to_tick;
1021	}	1490	}
1022		1491
1023	sub new($) {	1492	sub new($) {
1024	my ($login) = @_;	1493	my ($login) = @_;
1025		1494
…		…
1031	$cf::PLAYER{$login} = $self;	1500	$cf::PLAYER{$login} = $self;
1032		1501
1033	$self	1502	$self
1034	}	1503	}
1035		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
1036	=item $pl->quit_character	1515	=item $pl->quit_character
1037		1516
1038	Nukes the player without looking back. If logged in, the connection will	1517	Nukes the player without looking back. If logged in, the connection will
1039	be destroyed. May block for a long time.	1518	be destroyed. May block for a long time.
1040		1519
1041	=cut	1520	=cut
1042		1521
1043	sub quit_character {	1522	sub quit_character {
1044	my ($pl) = @_;	1523	my ($pl) = @_;
1045		1524
		1525	my $name = $pl->ob->name;
		1526
1046	$pl->{deny_save} = 1;	1527	$pl->{deny_save} = 1;
1047	$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
1048		1529
1049	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1530	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1050	$pl->deactivate;	1531	$pl->deactivate;
		1532	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1533	$pl->ob->check_score;
1051	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1534	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1052	$pl->ns->destroy if $pl->ns;	1535	$pl->ns->destroy if $pl->ns;
1053		1536
1054	my $path = playerdir $pl;	1537	my $path = playerdir $pl;
1055	my $temp = "$path~$cf::RUNTIME~deleting~";	1538	my $temp = "$path~$cf::RUNTIME~deleting~";
1056	aio_rename $path, $temp;	1539	aio_rename $path, $temp;
1057	delete $cf::PLAYER{$pl->ob->name};	1540	delete $cf::PLAYER{$pl->ob->name};
1058	$pl->destroy;	1541	$pl->destroy;
		1542
		1543	my $prefix = qr<^~\Q$name\E/>;
		1544
		1545	# nuke player maps
		1546	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1547
1059	IO::AIO::aio_rmtree $temp;	1548	IO::AIO::aio_rmtree $temp;
		1549	}
		1550
		1551	=item $pl->kick
		1552
		1553	Kicks a player out of the game. This destroys the connection.
		1554
		1555	=cut
		1556
		1557	sub kick {
		1558	my ($pl, $kicker) = @_;
		1559
		1560	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1561	$pl->killer ("kicked");
		1562	$pl->ns->destroy;
1060	}	1563	}
1061		1564
1062	=item cf::player::list_logins	1565	=item cf::player::list_logins
1063		1566
1064	Returns am arrayref of all valid playernames in the system, can take a	1567	Returns am arrayref of all valid playernames in the system, can take a
1065	while and may block, so not sync_job-capable, ever.	1568	while and may block, so not sync_job-capable, ever.
1066		1569
1067	=cut	1570	=cut
1068		1571
1069	sub list_logins {	1572	sub list_logins {
1070	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1573	my $dirs = aio_readdir $PLAYERDIR
1071	or return [];	1574	or return [];
1072		1575
1073	my @logins;	1576	my @logins;
1074		1577
1075	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") {
1076	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1584	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1077	aio_read $fh, 0, 512, my $buf, 0 or next;	1585	aio_read $fh, 0, 512, my $buf, 0 or next;
1078	$buf !~ /^password -------------$/m or next; # official not-valid tag	1586	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1587	}
1079		1588
1080	utf8::decode $login;	1589	utf8::decode $login;
1081	push @logins, $login;	1590	push @logins, $login;
1082	}	1591	}
1083		1592
…		…
1110	}	1619	}
1111		1620
1112	\@paths	1621	\@paths
1113	}	1622	}
1114		1623
		1624	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1625
		1626	Expand crossfire pod fragments into protocol xml.
		1627
		1628	=cut
		1629
		1630	use re 'eval';
		1631
		1632	my $group;
		1633	my $interior; $interior = qr{
		1634	# match a pod interior sequence sans C<< >>
		1635	(?:
		1636	\ (.*?)\ (?{ $group = $^N })
		1637	| < (??{$interior}) >
		1638	)
		1639	}x;
		1640
		1641	sub expand_cfpod {
		1642	my ($self, $pod) = @_;
		1643
		1644	my $xml;
		1645
		1646	while () {
		1647	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1648	$group = $1;
		1649
		1650	$group =~ s/&/&amp;/g;
		1651	$group =~ s/</&lt;/g;
		1652
		1653	$xml .= $group;
		1654	} elsif ($pod =~ m%\G
		1655	([BCGHITU])
		1656	<
		1657	(?:
		1658	([^<>]*) (?{ $group = $^N })
		1659	| < $interior >
		1660	)
		1661	>
		1662	%gcsx
		1663	) {
		1664	my ($code, $data) = ($1, $group);
		1665
		1666	if ($code eq "B") {
		1667	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1668	} elsif ($code eq "I") {
		1669	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1670	} elsif ($code eq "U") {
		1671	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1672	} elsif ($code eq "C") {
		1673	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1674	} elsif ($code eq "T") {
		1675	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1676	} elsif ($code eq "G") {
		1677	my ($male, $female) = split /\|/, $data;
		1678	$data = $self->gender ? $female : $male;
		1679	$xml .= expand_cfpod ($self, $data);
		1680	} elsif ($code eq "H") {
		1681	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1682	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1683	"")
		1684	[$self->{hintmode}];
		1685	} else {
		1686	$xml .= "error processing '$code($data)' directive";
		1687	}
		1688	} else {
		1689	if ($pod =~ /\G(.+)/) {
		1690	warn "parse error while expanding $pod (at $1)";
		1691	}
		1692	last;
		1693	}
		1694	}
		1695
		1696	for ($xml) {
		1697	# create single paragraphs (very hackish)
		1698	s/(?<=\S)\n(?=\w)/ /g;
		1699
		1700	# compress some whitespace
		1701	s/\s+\n/\n/g; # ws line-ends
		1702	s/\n\n+/\n/g; # double lines
		1703	s/^\n+//; # beginning lines
		1704	s/\n+$//; # ending lines
		1705	}
		1706
		1707	$xml
		1708	}
		1709
		1710	no re 'eval';
		1711
		1712	sub hintmode {
		1713	$_[0]{hintmode} = $_[1] if @_ > 1;
		1714	$_[0]{hintmode}
		1715	}
		1716
1115	=item $player->ext_reply ($msgid, $msgtype, %msg)	1717	=item $player->ext_reply ($msgid, @msg)
1116		1718
1117	Sends an ext reply to the player.	1719	Sends an ext reply to the player.
1118		1720
1119	=cut	1721	=cut
1120		1722
1121	sub ext_reply($$$%) {	1723	sub ext_reply($$@) {
1122	my ($self, $id, %msg) = @_;	1724	my ($self, $id, @msg) = @_;
1123		1725
1124	$msg{msgid} = $id;	1726	$self->ns->ext_reply ($id, @msg)
1125
1126	$self->send ("ext " . cf::to_json \%msg);
1127	}	1727	}
1128		1728
1129	package cf;	1729	=item $player->ext_msg ($type, @msg)
		1730
		1731	Sends an ext event to the client.
		1732
		1733	=cut
		1734
		1735	sub ext_msg($$@) {
		1736	my ($self, $type, @msg) = @_;
		1737
		1738	$self->ns->ext_msg ($type, @msg);
		1739	}
		1740
		1741	=head3 cf::region
		1742
		1743	=over 4
		1744
		1745	=cut
		1746
		1747	package cf::region;
		1748
		1749	=item cf::region::find_by_path $path
		1750
		1751	Tries to decuce the likely region for a map knowing only its path.
		1752
		1753	=cut
		1754
		1755	sub find_by_path($) {
		1756	my ($path) = @_;
		1757
		1758	my ($match, $specificity);
		1759
		1760	for my $region (list) {
		1761	if ($region->{match} && $path =~ $region->{match}) {
		1762	($match, $specificity) = ($region, $region->specificity)
		1763	if $region->specificity > $specificity;
		1764	}
		1765	}
		1766
		1767	$match
		1768	}
1130		1769
1131	=back	1770	=back
1132
1133		1771
1134	=head3 cf::map	1772	=head3 cf::map
1135		1773
1136	=over 4	1774	=over 4
1137		1775
…		…
1149	our $MAX_RESET = 3600;	1787	our $MAX_RESET = 3600;
1150	our $DEFAULT_RESET = 3000;	1788	our $DEFAULT_RESET = 3000;
1151		1789
1152	sub generate_random_map {	1790	sub generate_random_map {
1153	my ($self, $rmp) = @_;	1791	my ($self, $rmp) = @_;
		1792
		1793	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1794
1154	# mit "rum" bekleckern, nicht	1795	# mit "rum" bekleckern, nicht
1155	$self->_create_random_map (	1796	$self->_create_random_map (
1156	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1797	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1157	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1798	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1158	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1799	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1192	my ($self, $merge) = @_;	1833	my ($self, $merge) = @_;
1193		1834
1194	# we have to keep some variables in memory intact	1835	# we have to keep some variables in memory intact
1195	local $self->{path};	1836	local $self->{path};
1196	local $self->{load_path};	1837	local $self->{load_path};
1197	local $self->{deny_save};
1198	local $self->{deny_reset};
1199		1838
1200	$self->SUPER::thawer_merge ($merge);	1839	$self->SUPER::thawer_merge ($merge);
1201	}	1840	}
1202		1841
1203	sub normalise {	1842	sub normalise {
…		…
1250	$self->init; # pass $1 etc.	1889	$self->init; # pass $1 etc.
1251	return $self;	1890	return $self;
1252	}	1891	}
1253	}	1892	}
1254		1893
1255	Carp::carp "unable to resolve path '$path' (base '$base').";	1894	Carp::cluck "unable to resolve path '$path' (base '$base').";
1256	()	1895	()
1257	}	1896	}
1258		1897
1259	sub init {	1898	sub init {
1260	my ($self) = @_;	1899	my ($self) = @_;
…		…
1275		1914
1276	# the original (read-only) location	1915	# the original (read-only) location
1277	sub load_path {	1916	sub load_path {
1278	my ($self) = @_;	1917	my ($self) = @_;
1279		1918
1280	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1919	"$MAPDIR/$self->{path}.map"
1281	}	1920	}
1282		1921
1283	# the temporary/swap location	1922	# the temporary/swap location
1284	sub save_path {	1923	sub save_path {
1285	my ($self) = @_;	1924	my ($self) = @_;
1286		1925
1287	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1926	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1288	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1927	"$TMPDIR/$path.map"
1289	}	1928	}
1290		1929
1291	# the unique path, undef == no special unique path	1930	# the unique path, undef == no special unique path
1292	sub uniq_path {	1931	sub uniq_path {
1293	my ($self) = @_;	1932	my ($self) = @_;
1294		1933
1295	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1934	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1296	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1935	"$UNIQUEDIR/$path"
1297	}	1936	}
1298		1937
1299	# and all this just because we cannot iterate over	1938	# and all this just because we cannot iterate over
1300	# all maps in C++...	1939	# all maps in C++...
1301	sub change_all_map_light {	1940	sub change_all_map_light {
…		…
1303		1942
1304	$_->change_map_light ($change)	1943	$_->change_map_light ($change)
1305	for grep $_->outdoor, values %cf::MAP;	1944	for grep $_->outdoor, values %cf::MAP;
1306	}	1945	}
1307		1946
		1947	sub decay_objects {
		1948	my ($self) = @_;
		1949
		1950	return if $self->{deny_reset};
		1951
		1952	$self->do_decay_objects;
		1953	}
		1954
1308	sub unlink_save {	1955	sub unlink_save {
1309	my ($self) = @_;	1956	my ($self) = @_;
1310		1957
1311	utf8::encode (my $save = $self->save_path);	1958	utf8::encode (my $save = $self->save_path);
1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1959	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1960	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1314
1315	#d#TODO remove .map and also nuke
1316	$save =~ s/\.map// or return;#d#
1317	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1318	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1319	}	1961	}
1320		1962
1321	sub load_header_from($) {	1963	sub load_header_from($) {
1322	my ($self, $path) = @_;	1964	my ($self, $path) = @_;
1323		1965
1324	utf8::encode $path;	1966	utf8::encode $path;
1325	#aio_open $path, O_RDONLY, 0	1967	my $f = new_from_file cf::object::thawer $path
1326	# or return;
1327
1328	$self->_load_header ($path)
1329	or return;	1968	or return;
		1969
		1970	$self->_load_header ($f)
		1971	or return;
		1972
		1973	local $MAP_LOADING{$self->{path}} = $self;
		1974	$f->resolve_delayed_derefs;
1330		1975
1331	$self->{load_path} = $path;	1976	$self->{load_path} = $path;
1332		1977
1333	1	1978	1
1334	}	1979	}
…		…
1373	$self->load_header_orig	2018	$self->load_header_orig
1374	or return;	2019	or return;
1375	$self->prepare_orig;	2020	$self->prepare_orig;
1376	}	2021	}
1377		2022
		2023	$self->{deny_reset} = 1
		2024	if $self->no_reset;
		2025
		2026	$self->default_region (cf::region::find_by_path $self->{path})
		2027	unless $self->default_region;
		2028
1378	1	2029	1
1379	}	2030	}
1380		2031
1381	sub find;	2032	sub find;
1382	sub find {	2033	sub find {
1383	my ($path, $origin) = @_;	2034	my ($path, $origin) = @_;
1384		2035
1385	$path = normalise $path, $origin && $origin->path;	2036	$path = normalise $path, $origin && $origin->path;
1386		2037
		2038	cf::lock_wait "map_data:$path";#d#remove
1387	cf::lock_wait "map_find:$path";	2039	cf::lock_wait "map_find:$path";
1388		2040
1389	$cf::MAP{$path} || do {	2041	$cf::MAP{$path} || do {
		2042	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1390	my $guard = cf::lock_acquire "map_find:$path";	2043	my $guard2 = cf::lock_acquire "map_find:$path";
		2044
1391	my $map = new_from_path cf::map $path	2045	my $map = new_from_path cf::map $path
1392	or return;	2046	or return;
1393		2047
1394	$map->{last_save} = $cf::RUNTIME;	2048	$map->{last_save} = $cf::RUNTIME;
1395		2049
1396	$map->load_header	2050	$map->load_header
1397	or return;	2051	or return;
1398		2052
1399	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2053	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1400	# doing this can freeze the server in a sync job, obviously	2054	# doing this can freeze the server in a sync job, obviously
1401	#$cf::WAIT_FOR_TICK->wait;	2055	#$cf::WAIT_FOR_TICK->wait;
		2056	undef $guard2;
		2057	undef $guard1;
1402	$map->reset;	2058	$map->reset;
1403	undef $guard;
1404	return find $path;	2059	return find $path;
1405	}	2060	}
1406		2061
1407	$cf::MAP{$path} = $map	2062	$cf::MAP{$path} = $map
1408	}	2063	}
…		…
1415	my ($self) = @_;	2070	my ($self) = @_;
1416		2071
1417	local $self->{deny_reset} = 1; # loading can take a long time	2072	local $self->{deny_reset} = 1; # loading can take a long time
1418		2073
1419	my $path = $self->{path};	2074	my $path = $self->{path};
		2075
		2076	{
1420	my $guard = cf::lock_acquire "map_load:$path";	2077	my $guard = cf::lock_acquire "map_data:$path";
1421		2078
		2079	return unless $self->valid;
1422	return if $self->in_memory != cf::MAP_SWAPPED;	2080	return unless $self->in_memory == cf::MAP_SWAPPED;
1423		2081
1424	$self->in_memory (cf::MAP_LOADING);	2082	$self->in_memory (cf::MAP_LOADING);
1425		2083
1426	$self->alloc;	2084	$self->alloc;
1427		2085
1428	$self->pre_load;	2086	$self->pre_load;
		2087	cf::cede_to_tick;
1429		2088
1430	$self->_load_objects ($self->{load_path}, 1)	2089	my $f = new_from_file cf::object::thawer $self->{load_path};
		2090	$f->skip_block;
		2091	$self->_load_objects ($f)
1431	or return;	2092	or return;
1432		2093
1433	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2094	$self->post_load_original
1434	if delete $self->{load_original};	2095	if delete $self->{load_original};
1435		2096
1436	if (my $uniq = $self->uniq_path) {	2097	if (my $uniq = $self->uniq_path) {
1437	utf8::encode $uniq;	2098	utf8::encode $uniq;
1438	if (aio_open $uniq, O_RDONLY, 0) {	2099	unless (aio_stat $uniq) {
		2100	if (my $f = new_from_file cf::object::thawer $uniq) {
1439	$self->clear_unique_items;	2101	$self->clear_unique_items;
1440	$self->_load_objects ($uniq, 0);	2102	$self->_load_objects ($f);
		2103	$f->resolve_delayed_derefs;
		2104	}
1441	}	2105	}
1442	}	2106	}
1443		2107
1444	Coro::cede;	2108	$f->resolve_delayed_derefs;
1445		2109
		2110	cf::cede_to_tick;
1446	# now do the right thing for maps	2111	# now do the right thing for maps
1447	$self->link_multipart_objects;	2112	$self->link_multipart_objects;
1448
1449	unless ($self->{deny_activate}) {
1450	$self->decay_objects;
1451	$self->fix_auto_apply;
1452	$self->update_buttons;
1453	Coro::cede;
1454	$self->set_darkness_map;
1455	$self->difficulty ($self->estimate_difficulty)	2113	$self->difficulty ($self->estimate_difficulty)
1456	unless $self->difficulty;	2114	unless $self->difficulty;
1457	Coro::cede;	2115	cf::cede_to_tick;
		2116
		2117	unless ($self->{deny_activate}) {
		2118	$self->decay_objects;
		2119	$self->fix_auto_apply;
		2120	$self->update_buttons;
		2121	cf::cede_to_tick;
		2122	$self->set_darkness_map;
		2123	cf::cede_to_tick;
1458	$self->activate;	2124	$self->activate;
		2125	}
		2126
		2127	$self->{last_save} = $cf::RUNTIME;
		2128	$self->last_access ($cf::RUNTIME);
		2129
		2130	$self->in_memory (cf::MAP_ACTIVE);
1459	}	2131	}
1460		2132
1461	$self->post_load;	2133	$self->post_load;
1462
1463	$self->in_memory (cf::MAP_IN_MEMORY);
1464	}	2134	}
1465		2135
1466	sub customise_for {	2136	sub customise_for {
1467	my ($self, $ob) = @_;	2137	my ($self, $ob) = @_;
1468		2138
1469	return find "~" . $ob->name . "/" . $self->{path}	2139	return find "~" . $ob->name . "/" . $self->{path}
1470	if $self->per_player;	2140	if $self->per_player;
1471		2141
		2142	# return find "?party/" . $ob->name . "/" . $self->{path}
		2143	# if $self->per_party;
		2144
1472	$self	2145	$self
1473	}	2146	}
1474		2147
1475	# find and load all maps in the 3x3 area around a map	2148	# find and load all maps in the 3x3 area around a map
1476	sub load_diag {	2149	sub load_neighbours {
1477	my ($map) = @_;	2150	my ($map) = @_;
1478		2151
1479	my @diag; # diagonal neighbours	2152	my @neigh; # diagonal neighbours
1480		2153
1481	for (0 .. 3) {	2154	for (0 .. 3) {
1482	my $neigh = $map->tile_path ($_)	2155	my $neigh = $map->tile_path ($_)
1483	or next;	2156	or next;
1484	$neigh = find $neigh, $map	2157	$neigh = find $neigh, $map
1485	or next;	2158	or next;
1486	$neigh->load;	2159	$neigh->load;
1487		2160
		2161	push @neigh,
1488	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2162	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1489	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2163	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1490	}	2164	}
1491		2165
1492	for (@diag) {	2166	for (grep defined $_->[0], @neigh) {
		2167	my ($path, $origin) = @$_;
1493	my $neigh = find @$_	2168	my $neigh = find $path, $origin
1494	or next;	2169	or next;
1495	$neigh->load;	2170	$neigh->load;
1496	}	2171	}
1497	}	2172	}
1498		2173
…		…
1503	}	2178	}
1504		2179
1505	sub do_load_sync {	2180	sub do_load_sync {
1506	my ($map) = @_;	2181	my ($map) = @_;
1507		2182
		2183	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2184	if $Coro::current == $Coro::main;
		2185
1508	cf::sync_job { $map->load };	2186	cf::sync_job { $map->load };
1509	}	2187	}
1510		2188
1511	our %MAP_PREFETCH;	2189	our %MAP_PREFETCH;
1512	our $MAP_PREFETCHER = undef;	2190	our $MAP_PREFETCHER = undef;
1513		2191
1514	sub find_async {	2192	sub find_async {
1515	my ($path, $origin) = @_;	2193	my ($path, $origin, $load) = @_;
1516		2194
1517	$path = normalise $path, $origin && $origin->{path};	2195	$path = normalise $path, $origin && $origin->{path};
1518		2196
1519	if (my $map = $cf::MAP{$path}) {	2197	if (my $map = $cf::MAP{$path}) {
1520	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2198	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1521	}	2199	}
1522		2200
1523	undef $MAP_PREFETCH{$path};	2201	$MAP_PREFETCH{$path} |= $load;
		2202
1524	$MAP_PREFETCHER ||= cf::async {	2203	$MAP_PREFETCHER ||= cf::async {
		2204	$Coro::current->{desc} = "map prefetcher";
		2205
1525	while (%MAP_PREFETCH) {	2206	while (%MAP_PREFETCH) {
1526	for my $path (keys %MAP_PREFETCH) {	2207	while (my ($k, $v) = each %MAP_PREFETCH) {
1527	my $map = find $path	2208	if (my $map = find $k) {
1528	or next;
1529	$map->load;	2209	$map->load if $v;
		2210	}
1530		2211
1531	delete $MAP_PREFETCH{$path};	2212	delete $MAP_PREFETCH{$k};
1532	}	2213	}
1533	}	2214	}
1534	undef $MAP_PREFETCHER;	2215	undef $MAP_PREFETCHER;
1535	};	2216	};
1536	$MAP_PREFETCHER->prio (6);	2217	$MAP_PREFETCHER->prio (6);
…		…
1539	}	2220	}
1540		2221
1541	sub save {	2222	sub save {
1542	my ($self) = @_;	2223	my ($self) = @_;
1543		2224
1544	my $lock = cf::lock_acquire "map_data:" . $self->path;	2225	my $lock = cf::lock_acquire "map_data:$self->{path}";
1545		2226
1546	$self->{last_save} = $cf::RUNTIME;	2227	$self->{last_save} = $cf::RUNTIME;
1547		2228
1548	return unless $self->dirty;	2229	return unless $self->dirty;
1549		2230
…		…
1555	return if $self->{deny_save};	2236	return if $self->{deny_save};
1556		2237
1557	local $self->{last_access} = $self->last_access;#d#	2238	local $self->{last_access} = $self->last_access;#d#
1558		2239
1559	cf::async {	2240	cf::async {
		2241	$Coro::current->{desc} = "map player save";
1560	$_->contr->save for $self->players;	2242	$_->contr->save for $self->players;
1561	};	2243	};
		2244
		2245	cf::get_slot 0.02;
1562		2246
1563	if ($uniq) {	2247	if ($uniq) {
1564	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2248	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1565	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2249	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1566	} else {	2250	} else {
…		…
1572	my ($self) = @_;	2256	my ($self) = @_;
1573		2257
1574	# save first because save cedes	2258	# save first because save cedes
1575	$self->save;	2259	$self->save;
1576		2260
1577	my $lock = cf::lock_acquire "map_data:" . $self->path;	2261	my $lock = cf::lock_acquire "map_data:$self->{path}";
1578		2262
1579	return if $self->players;	2263	return if $self->players;
1580	return if $self->in_memory != cf::MAP_IN_MEMORY;	2264	return if $self->in_memory != cf::MAP_ACTIVE;
1581	return if $self->{deny_save};	2265	return if $self->{deny_save};
1582		2266
		2267	$self->in_memory (cf::MAP_SWAPPED);
		2268
		2269	$self->deactivate;
		2270	$_->clear_links_to ($self) for values %cf::MAP;
1583	$self->clear;	2271	$self->clear;
1584	$self->in_memory (cf::MAP_SWAPPED);
1585	}	2272	}
1586		2273
1587	sub reset_at {	2274	sub reset_at {
1588	my ($self) = @_;	2275	my ($self) = @_;
1589		2276
1590	# TODO: safety, remove and allow resettable per-player maps	2277	# TODO: safety, remove and allow resettable per-player maps
1591	return 1e99 if $self->isa ("ext::map_per_player");#d#
1592	return 1e99 if $self->{deny_reset};	2278	return 1e99 if $self->{deny_reset};
1593		2279
1594	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2280	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1595	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2281	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1596		2282
…		…
1607	my ($self) = @_;	2293	my ($self) = @_;
1608		2294
1609	my $lock = cf::lock_acquire "map_data:$self->{path}";	2295	my $lock = cf::lock_acquire "map_data:$self->{path}";
1610		2296
1611	return if $self->players;	2297	return if $self->players;
1612	return if $self->isa ("ext::map_per_player");#d#
1613		2298
1614	warn "resetting map ", $self->path;#d#	2299	warn "resetting map ", $self->path;
1615		2300
1616	$self->in_memory (cf::MAP_SWAPPED);	2301	$self->in_memory (cf::MAP_SWAPPED);
1617		2302
1618	# need to save uniques path	2303	# need to save uniques path
1619	unless ($self->{deny_save}) {	2304	unless ($self->{deny_save}) {
…		…
1623	if $uniq;	2308	if $uniq;
1624	}	2309	}
1625		2310
1626	delete $cf::MAP{$self->path};	2311	delete $cf::MAP{$self->path};
1627		2312
		2313	$self->deactivate;
		2314	$_->clear_links_to ($self) for values %cf::MAP;
1628	$self->clear;	2315	$self->clear;
1629
1630	$_->clear_links_to ($self) for values %cf::MAP;
1631		2316
1632	$self->unlink_save;	2317	$self->unlink_save;
1633	$self->destroy;	2318	$self->destroy;
1634	}	2319	}
1635		2320
1636	my $nuke_counter = "aaaa";	2321	my $nuke_counter = "aaaa";
1637		2322
1638	sub nuke {	2323	sub nuke {
1639	my ($self) = @_;	2324	my ($self) = @_;
1640		2325
		2326	{
		2327	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2328
1641	delete $cf::MAP{$self->path};	2329	delete $cf::MAP{$self->path};
1642		2330
1643	$self->unlink_save;	2331	$self->unlink_save;
1644		2332
1645	bless $self, "cf::map";	2333	bless $self, "cf::map";
1646	delete $self->{deny_reset};	2334	delete $self->{deny_reset};
1647	$self->{deny_save} = 1;	2335	$self->{deny_save} = 1;
1648	$self->reset_timeout (1);	2336	$self->reset_timeout (1);
1649	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2337	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1650		2338
1651	$cf::MAP{$self->path} = $self;	2339	$cf::MAP{$self->path} = $self;
		2340	}
1652		2341
1653	$self->reset; # polite request, might not happen	2342	$self->reset; # polite request, might not happen
		2343	}
		2344
		2345	=item $maps = cf::map::tmp_maps
		2346
		2347	Returns an arrayref with all map paths of currently instantiated and saved
		2348	maps. May block.
		2349
		2350	=cut
		2351
		2352	sub tmp_maps() {
		2353	[
		2354	map {
		2355	utf8::decode $_;
		2356	/\.map$/
		2357	? normalise $_
		2358	: ()
		2359	} @{ aio_readdir $TMPDIR or [] }
		2360	]
		2361	}
		2362
		2363	=item $maps = cf::map::random_maps
		2364
		2365	Returns an arrayref with all map paths of currently instantiated and saved
		2366	random maps. May block.
		2367
		2368	=cut
		2369
		2370	sub random_maps() {
		2371	[
		2372	map {
		2373	utf8::decode $_;
		2374	/\.map$/
		2375	? normalise "?random/$_"
		2376	: ()
		2377	} @{ aio_readdir $RANDOMDIR or [] }
		2378	]
1654	}	2379	}
1655		2380
1656	=item cf::map::unique_maps	2381	=item cf::map::unique_maps
1657		2382
1658	Returns an arrayref of paths of all shared maps that have	2383	Returns an arrayref of paths of all shared maps that have
1659	instantiated unique items. May block.	2384	instantiated unique items. May block.
1660		2385
1661	=cut	2386	=cut
1662		2387
1663	sub unique_maps() {	2388	sub unique_maps() {
1664	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2389	[
1665	or return;	2390	map {
1666
1667	my @paths;
1668
1669	for (@$files) {
1670	utf8::decode $_;	2391	utf8::decode $_;
1671	next if /\.pst$/;	2392	s/\.map$//; # TODO future compatibility hack
1672	next unless /^$PATH_SEP/o;	2393	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1673		2394	? ()
1674	push @paths, cf::map::normalise $_;	2395	: normalise $_
		2396	} @{ aio_readdir $UNIQUEDIR or [] }
1675	}	2397	]
1676
1677	\@paths
1678	}	2398	}
1679
1680	package cf;
1681		2399
1682	=back	2400	=back
1683		2401
1684	=head3 cf::object	2402	=head3 cf::object
1685		2403
…		…
1689		2407
1690	=over 4	2408	=over 4
1691		2409
1692	=item $ob->inv_recursive	2410	=item $ob->inv_recursive
1693		2411
1694	Returns the inventory of the object _and_ their inventories, recursively.	2412	Returns the inventory of the object I<and> their inventories, recursively,
		2413	but I<not> the object itself.
1695		2414
1696	=cut	2415	=cut
1697		2416
1698	sub inv_recursive_;	2417	sub inv_recursive_;
1699	sub inv_recursive_ {	2418	sub inv_recursive_ {
…		…
1702		2421
1703	sub inv_recursive {	2422	sub inv_recursive {
1704	inv_recursive_ inv $_[0]	2423	inv_recursive_ inv $_[0]
1705	}	2424	}
1706		2425
		2426	=item $ref = $ob->ref
		2427
		2428	Creates and returns a persistent reference to an object that can be stored as a string.
		2429
		2430	=item $ob = cf::object::deref ($refstring)
		2431
		2432	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2433	even if the object actually exists. May block.
		2434
		2435	=cut
		2436
		2437	sub deref {
		2438	my ($ref) = @_;
		2439
		2440	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2441	my ($uuid, $name) = ($1, $2);
		2442	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2443	or return;
		2444	$pl->ob->uuid eq $uuid
		2445	or return;
		2446
		2447	$pl->ob
		2448	} else {
		2449	warn "$ref: cannot resolve object reference\n";
		2450	undef
		2451	}
		2452	}
		2453
1707	package cf;	2454	package cf;
1708		2455
1709	=back	2456	=back
1710		2457
1711	=head3 cf::object::player	2458	=head3 cf::object::player
…		…
1717	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2464	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1718	can be C<undef>. Does the right thing when the player is currently in a	2465	can be C<undef>. Does the right thing when the player is currently in a
1719	dialogue with the given NPC character.	2466	dialogue with the given NPC character.
1720		2467
1721	=cut	2468	=cut
		2469
		2470	our $SAY_CHANNEL = {
		2471	id => "say",
		2472	title => "Map",
		2473	reply => "say ",
		2474	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2475	};
		2476
		2477	our $CHAT_CHANNEL = {
		2478	id => "chat",
		2479	title => "Chat",
		2480	reply => "chat ",
		2481	tooltip => "Player chat and shouts, global to the server.",
		2482	};
1722		2483
1723	# rough implementation of a future "reply" method that works	2484	# rough implementation of a future "reply" method that works
1724	# with dialog boxes.	2485	# with dialog boxes.
1725	#TODO: the first argument must go, split into a $npc->reply_to ( method	2486	#TODO: the first argument must go, split into a $npc->reply_to ( method
1726	sub cf::object::player::reply($$$;$) {	2487	sub cf::object::player::reply($$$;$) {
…		…
1728		2489
1729	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2490	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1730		2491
1731	if ($self->{record_replies}) {	2492	if ($self->{record_replies}) {
1732	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2493	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2494
1733	} else {	2495	} else {
		2496	my $pl = $self->contr;
		2497
		2498	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2499	my $dialog = $pl->{npc_dialog};
		2500	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2501
		2502	} else {
1734	$msg = $npc->name . " says: $msg" if $npc;	2503	$msg = $npc->name . " says: $msg" if $npc;
1735	$self->message ($msg, $flags);	2504	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2505	}
1736	}	2506	}
		2507	}
		2508
		2509	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2510
		2511	=cut
		2512
		2513	sub cf::object::send_msg {
		2514	my $pl = shift->contr
		2515	or return;
		2516	$pl->send_msg (@_);
1737	}	2517	}
1738		2518
1739	=item $player_object->may ("access")	2519	=item $player_object->may ("access")
1740		2520
1741	Returns wether the given player is authorized to access resource "access"	2521	Returns wether the given player is authorized to access resource "access"
…		…
1788	$self->deactivate_recursive;	2568	$self->deactivate_recursive;
1789		2569
1790	return if UNIVERSAL::isa $self->map, "ext::map_link";	2570	return if UNIVERSAL::isa $self->map, "ext::map_link";
1791		2571
1792	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2572	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1793	if $self->map;	2573	if $self->map && $self->map->{path} ne "{link}";
1794		2574
1795	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2575	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1796	}	2576	}
1797		2577
1798	sub cf::object::player::leave_link {	2578	sub cf::object::player::leave_link {
1799	my ($self, $map, $x, $y) = @_;	2579	my ($self, $map, $x, $y) = @_;
		2580
		2581	return unless $self->contr->active;
1800		2582
1801	my $link_pos = delete $self->{_link_pos};	2583	my $link_pos = delete $self->{_link_pos};
1802		2584
1803	unless ($map) {	2585	unless ($map) {
1804	# restore original map position	2586	# restore original map position
…		…
1818	# use -1 or undef as default coordinates, not 0, 0	2600	# use -1 or undef as default coordinates, not 0, 0
1819	($x, $y) = ($map->enter_x, $map->enter_y)	2601	($x, $y) = ($map->enter_x, $map->enter_y)
1820	if $x <=0 && $y <= 0;	2602	if $x <=0 && $y <= 0;
1821		2603
1822	$map->load;	2604	$map->load;
1823	$map->load_diag;	2605	$map->load_neighbours;
1824		2606
1825	return unless $self->contr->active;	2607	return unless $self->contr->active;
1826	$self->activate_recursive;	2608	$self->activate_recursive;
		2609
		2610	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1827	$self->enter_map ($map, $x, $y);	2611	$self->enter_map ($map, $x, $y);
1828	}	2612	}
1829		2613
1830	cf::player->attach (	2614	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1831	on_logout => sub {
1832	my ($pl) = @_;
1833		2615
1834	# abort map switching before logout	2616	Moves the player to the given map-path and coordinates by first freezing
1835	if ($pl->ob->{_link_pos}) {	2617	her, loading and preparing them map, calling the provided $check callback
1836	cf::sync_job {	2618	that has to return the map if sucecssful, and then unfreezes the player on
1837	$pl->ob->leave_link	2619	the new (success) or old (failed) map position. In either case, $done will
1838	};	2620	be called at the end of this process.
1839	}
1840	},
1841	on_login => sub {
1842	my ($pl) = @_;
1843		2621
1844	# try to abort aborted map switching on player login :)	2622	Note that $check will be called with a potentially non-loaded map, so if
1845	# should happen only on crashes	2623	it needs a loaded map it has to call C<< ->load >>.
1846	if ($pl->ob->{_link_pos}) {
1847	$pl->ob->enter_link;
1848	(async {
1849	# we need this sleep as the login has a concurrent enter_exit running
1850	# and this sleep increases chances of the player not ending up in scorn
1851	$pl->ob->reply (undef,
1852	"There was an internal problem at your last logout, "
1853	. "the server will try to bring you to your intended destination in a second.",
1854	cf::NDI_RED);
1855	Coro::Timer::sleep 1;
1856	$pl->ob->leave_link;
1857	})->prio (2);
1858	}
1859	},
1860	);
1861		2624
1862	=item $player_object->goto ($path, $x, $y)
1863
1864	=cut	2625	=cut
		2626
		2627	our $GOTOGEN;
1865		2628
1866	sub cf::object::player::goto {	2629	sub cf::object::player::goto {
1867	my ($self, $path, $x, $y) = @_;	2630	my ($self, $path, $x, $y, $check, $done) = @_;
		2631
		2632	# do generation counting so two concurrent goto's will be executed in-order
		2633	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1868		2634
1869	$self->enter_link;	2635	$self->enter_link;
1870		2636
1871	(async {	2637	(async {
		2638	$Coro::current->{desc} = "player::goto $path $x $y";
		2639
		2640	# *tag paths override both path and x|y
		2641	if ($path =~ /^\*(.*)$/) {
		2642	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2643	my $ob = $obs[rand @obs];
		2644
		2645	# see if we actually can go there
		2646	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2647	$ob = $obs[rand @obs];
		2648	} else {
		2649	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2650	}
		2651	# else put us there anyways for now #d#
		2652
		2653	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2654	} else {
		2655	($path, $x, $y) = (undef, undef, undef);
		2656	}
		2657	}
		2658
1872	my $map = eval {	2659	my $map = eval {
1873	my $map = cf::map::find $path;	2660	my $map = defined $path ? cf::map::find $path : undef;
		2661
		2662	if ($map) {
1874	$map = $map->customise_for ($self) if $map;	2663	$map = $map->customise_for ($self);
		2664	$map = $check->($map) if $check && $map;
		2665	} else {
		2666	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2667	}
		2668
1875	$map	2669	$map
		2670	};
		2671
		2672	if ($@) {
		2673	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2674	LOG llevError | logBacktrace, Carp::longmess $@;
1876	} or	2675	}
1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1878		2676
		2677	if ($gen == $self->{_goto_generation}) {
		2678	delete $self->{_goto_generation};
1879	$self->leave_link ($map, $x, $y);	2679	$self->leave_link ($map, $x, $y);
		2680	}
		2681
		2682	$done->() if $done;
1880	})->prio (1);	2683	})->prio (1);
1881	}	2684	}
1882		2685
1883	=item $player_object->enter_exit ($exit_object)	2686	=item $player_object->enter_exit ($exit_object)
1884		2687
…		…
1904	}	2707	}
1905		2708
1906	sub prepare_random_map {	2709	sub prepare_random_map {
1907	my ($exit) = @_;	2710	my ($exit) = @_;
1908		2711
1909	my $guard = cf::lock_acquire "exit_prepare:$exit";
1910
1911	# all this does is basically replace the /! path by	2712	# all this does is basically replace the /! path by
1912	# a new random map path (?random/...) with a seed	2713	# a new random map path (?random/...) with a seed
1913	# that depends on the exit object	2714	# that depends on the exit object
1914		2715
1915	my $rmp = parse_random_map_params $exit->msg;	2716	my $rmp = parse_random_map_params $exit->msg;
…		…
1917	if ($exit->map) {	2718	if ($exit->map) {
1918	$rmp->{region} = $exit->region->name;	2719	$rmp->{region} = $exit->region->name;
1919	$rmp->{origin_map} = $exit->map->path;	2720	$rmp->{origin_map} = $exit->map->path;
1920	$rmp->{origin_x} = $exit->x;	2721	$rmp->{origin_x} = $exit->x;
1921	$rmp->{origin_y} = $exit->y;	2722	$rmp->{origin_y} = $exit->y;
		2723
		2724	$exit->map->touch;
1922	}	2725	}
1923		2726
1924	$rmp->{random_seed} ||= $exit->random_seed;	2727	$rmp->{random_seed} ||= $exit->random_seed;
1925		2728
1926	my $data = cf::to_json $rmp;	2729	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1927	my $md5 = Digest::MD5::md5_hex $data;	2730	my $md5 = Digest::MD5::md5_hex $data;
1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2731	my $meta = "$RANDOMDIR/$md5.meta";
1929		2732
1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2733	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1931	aio_write $fh, 0, (length $data), $data, 0;	2734	aio_write $fh, 0, (length $data), $data, 0;
1932	undef $fh;	2735	undef $fh;
1933	aio_rename "$meta~", $meta;	2736	aio_rename "$meta~", $meta;
1934		2737
		2738	my $slaying = "?random/$md5";
		2739
		2740	if ($exit->valid) {
1935	$exit->slaying ("?random/$md5");	2741	$exit->slaying ("?random/$md5");
1936	$exit->msg (undef);	2742	$exit->msg (undef);
		2743	}
1937	}	2744	}
1938	}	2745	}
1939		2746
1940	sub cf::object::player::enter_exit {	2747	sub cf::object::player::enter_exit {
1941	my ($self, $exit) = @_;	2748	my ($self, $exit) = @_;
1942		2749
1943	return unless $self->type == cf::PLAYER;	2750	return unless $self->type == cf::PLAYER;
1944		2751
1945	if ($exit->slaying eq "/!") {
1946	#TODO: this should de-fi-ni-te-ly not be a sync-job
1947	cf::sync_job { prepare_random_map $exit };
1948	}
1949
1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1951	my $hp = $exit->stats->hp;
1952	my $sp = $exit->stats->sp;
1953
1954	$self->enter_link;	2752	$self->enter_link;
1955		2753
1956	(async {	2754	(async {
1957	$self->deactivate_recursive; # just to be sure	2755	$Coro::current->{desc} = "enter_exit";
		2756
1958	unless (eval {	2757	unless (eval {
		2758	$self->deactivate_recursive; # just to be sure
		2759
		2760	# random map handling
		2761	{
		2762	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2763
		2764	prepare_random_map $exit
		2765	if $exit->slaying eq "/!";
		2766	}
		2767
		2768	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2769	my $x = $exit->stats->hp;
		2770	my $y = $exit->stats->sp;
		2771
1959	$self->goto ($slaying, $hp, $sp);	2772	$self->goto ($map, $x, $y);
1960		2773
		2774	# if exit is damned, update players death & WoR home-position
		2775	$self->contr->savebed ($map, $x, $y)
		2776	if $exit->flag (cf::FLAG_DAMNED);
		2777
1961	1;	2778	1
1962	}) {	2779	}) {
1963	$self->message ("Something went wrong deep within the crossfire server. "	2780	$self->message ("Something went wrong deep within the crossfire server. "
1964	. "I'll try to bring you back to the map you were before. "	2781	. "I'll try to bring you back to the map you were before. "
1965	. "Please report this to the dungeon master!",	2782	. "Please report this to the dungeon master!",
1966	cf::NDI_UNIQUE | cf::NDI_RED);	2783	cf::NDI_UNIQUE | cf::NDI_RED);
1967		2784
1968	warn "ERROR in enter_exit: $@";	2785	warn "ERROR in enter_exit: $@";
1969	$self->leave_link;	2786	$self->leave_link;
1970	}	2787	}
1971	})->prio (1);	2788	})->prio (1);
…		…
1984		2801
1985	sub cf::client::send_drawinfo {	2802	sub cf::client::send_drawinfo {
1986	my ($self, $text, $flags) = @_;	2803	my ($self, $text, $flags) = @_;
1987		2804
1988	utf8::encode $text;	2805	utf8::encode $text;
1989	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2806	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1990	}	2807	}
1991		2808
		2809	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2810
		2811	Send a drawinfo or msg packet to the client, formatting the msg for the
		2812	client if neccessary. C<$type> should be a string identifying the type of
		2813	the message, with C<log> being the default. If C<$color> is negative, suppress
		2814	the message unless the client supports the msg packet.
		2815
		2816	=cut
		2817
		2818	# non-persistent channels (usually the info channel)
		2819	our %CHANNEL = (
		2820	"c/identify" => {
		2821	id => "infobox",
		2822	title => "Identify",
		2823	reply => undef,
		2824	tooltip => "Items recently identified",
		2825	},
		2826	"c/examine" => {
		2827	id => "infobox",
		2828	title => "Examine",
		2829	reply => undef,
		2830	tooltip => "Signs and other items you examined",
		2831	},
		2832	"c/book" => {
		2833	id => "infobox",
		2834	title => "Book",
		2835	reply => undef,
		2836	tooltip => "The contents of a note or book",
		2837	},
		2838	"c/lookat" => {
		2839	id => "infobox",
		2840	title => "Look",
		2841	reply => undef,
		2842	tooltip => "What you saw there",
		2843	},
		2844	"c/who" => {
		2845	id => "infobox",
		2846	title => "Players",
		2847	reply => undef,
		2848	tooltip => "Shows players who are currently online",
		2849	},
		2850	"c/body" => {
		2851	id => "infobox",
		2852	title => "Body Parts",
		2853	reply => undef,
		2854	tooltip => "Shows which body parts you posess and are available",
		2855	},
		2856	"c/uptime" => {
		2857	id => "infobox",
		2858	title => "Uptime",
		2859	reply => undef,
		2860	tooltip => "How long the server has been running since last restart",
		2861	},
		2862	"c/mapinfo" => {
		2863	id => "infobox",
		2864	title => "Map Info",
		2865	reply => undef,
		2866	tooltip => "Information related to the maps",
		2867	},
		2868	"c/party" => {
		2869	id => "party",
		2870	title => "Party",
		2871	reply => "gsay ",
		2872	tooltip => "Messages and chat related to your party",
		2873	},
		2874	);
		2875
		2876	sub cf::client::send_msg {
		2877	my ($self, $channel, $msg, $color, @extra) = @_;
		2878
		2879	$msg = $self->pl->expand_cfpod ($msg);
		2880
		2881	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2882
		2883	# check predefined channels, for the benefit of C
		2884	if ($CHANNEL{$channel}) {
		2885	$channel = $CHANNEL{$channel};
		2886
		2887	$self->ext_msg (channel_info => $channel)
		2888	if $self->can_msg;
		2889
		2890	$channel = $channel->{id};
		2891
		2892	} elsif (ref $channel) {
		2893	# send meta info to client, if not yet sent
		2894	unless (exists $self->{channel}{$channel->{id}}) {
		2895	$self->{channel}{$channel->{id}} = $channel;
		2896	$self->ext_msg (channel_info => $channel)
		2897	if $self->can_msg;
		2898	}
		2899
		2900	$channel = $channel->{id};
		2901	}
		2902
		2903	return unless @extra || length $msg;
		2904
		2905	if ($self->can_msg) {
		2906	# default colour, mask it out
		2907	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2908	if $color & cf::NDI_DEF;
		2909
		2910	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2911	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2912	} else {
		2913	if ($color >= 0) {
		2914	# replace some tags by gcfclient-compatible ones
		2915	for ($msg) {
		2916	1 while
		2917	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2918	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2919	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2920	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2921	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2922	}
		2923
		2924	$color &= cf::NDI_COLOR_MASK;
		2925
		2926	utf8::encode $msg;
		2927
		2928	if (0 && $msg =~ /\[/) {
		2929	# COMMAND/INFO
		2930	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2931	} else {
		2932	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2933	$self->send_packet ("drawinfo $color $msg")
		2934	}
		2935	}
		2936	}
		2937	}
		2938
		2939	=item $client->ext_msg ($type, @msg)
		2940
		2941	Sends an ext event to the client.
		2942
		2943	=cut
		2944
		2945	sub cf::client::ext_msg($$@) {
		2946	my ($self, $type, @msg) = @_;
		2947
		2948	if ($self->extcmd == 2) {
		2949	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2950	} elsif ($self->extcmd == 1) { # TODO: remove
		2951	push @msg, msgtype => "event_$type";
		2952	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2953	}
		2954	}
		2955
		2956	=item $client->ext_reply ($msgid, @msg)
		2957
		2958	Sends an ext reply to the client.
		2959
		2960	=cut
		2961
		2962	sub cf::client::ext_reply($$@) {
		2963	my ($self, $id, @msg) = @_;
		2964
		2965	if ($self->extcmd == 2) {
		2966	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2967	} elsif ($self->extcmd == 1) {
		2968	#TODO: version 1, remove
		2969	unshift @msg, msgtype => "reply", msgid => $id;
		2970	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2971	}
		2972	}
1992		2973
1993	=item $success = $client->query ($flags, "text", \&cb)	2974	=item $success = $client->query ($flags, "text", \&cb)
1994		2975
1995	Queues a query to the client, calling the given callback with	2976	Queues a query to the client, calling the given callback with
1996	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2977	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1997	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2978	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1998		2979
1999	Queries can fail, so check the return code. Or don't, as queries will become	2980	Queries can fail, so check the return code. Or don't, as queries will
2000	reliable at some point in the future.	2981	become reliable at some point in the future.
2001		2982
2002	=cut	2983	=cut
2003		2984
2004	sub cf::client::query {	2985	sub cf::client::query {
2005	my ($self, $flags, $text, $cb) = @_;	2986	my ($self, $flags, $text, $cb) = @_;
…		…
2013	utf8::encode $text;	2994	utf8::encode $text;
2014	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2995	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2015		2996
2016	$self->send_packet ($self->{query_queue}[0][0])	2997	$self->send_packet ($self->{query_queue}[0][0])
2017	if @{ $self->{query_queue} } == 1;	2998	if @{ $self->{query_queue} } == 1;
		2999
		3000	1
2018	}	3001	}
2019		3002
2020	cf::client->attach (	3003	cf::client->attach (
		3004	on_connect => sub {
		3005	my ($ns) = @_;
		3006
		3007	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3008	},
2021	on_reply => sub {	3009	on_reply => sub {
2022	my ($ns, $msg) = @_;	3010	my ($ns, $msg) = @_;
2023		3011
2024	# this weird shuffling is so that direct followup queries	3012	# this weird shuffling is so that direct followup queries
2025	# get handled first	3013	# get handled first
…		…
2037	} else {	3025	} else {
2038	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3026	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2039	}	3027	}
2040	}	3028	}
2041	},	3029	},
		3030	on_exticmd => sub {
		3031	my ($ns, $buf) = @_;
		3032
		3033	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3034
		3035	if (ref $msg) {
		3036	my ($type, $reply, @payload) =
		3037	"ARRAY" eq ref $msg
		3038	? @$msg
		3039	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3040
		3041	my @reply;
		3042
		3043	if (my $cb = $EXTICMD{$type}) {
		3044	@reply = $cb->($ns, @payload);
		3045	}
		3046
		3047	$ns->ext_reply ($reply, @reply)
		3048	if $reply;
		3049
		3050	} else {
		3051	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3052	}
		3053
		3054	cf::override;
		3055	},
2042	);	3056	);
2043		3057
2044	=item $client->async (\&cb)	3058	=item $client->async (\&cb)
2045		3059
2046	Create a new coroutine, running the specified callback. The coroutine will	3060	Create a new coroutine, running the specified callback. The coroutine will
…		…
2087	our $safe = new Safe "safe";	3101	our $safe = new Safe "safe";
2088	our $safe_hole = new Safe::Hole;	3102	our $safe_hole = new Safe::Hole;
2089		3103
2090	$SIG{FPE} = 'IGNORE';	3104	$SIG{FPE} = 'IGNORE';
2091		3105
2092	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3106	$safe->permit_only (Opcode::opset qw(
		3107	:base_core :base_mem :base_orig :base_math
		3108	grepstart grepwhile mapstart mapwhile
		3109	sort time
		3110	));
2093		3111
2094	# here we export the classes and methods available to script code	3112	# here we export the classes and methods available to script code
2095		3113
2096	=pod	3114	=pod
2097		3115
2098	The following fucntions and emthods are available within a safe environment:	3116	The following functions and methods are available within a safe environment:
2099		3117
2100	cf::object contr pay_amount pay_player map	3118	cf::object
		3119	contr pay_amount pay_player map x y force_find force_add destroy
		3120	insert remove name archname title slaying race decrease split
		3121
2101	cf::object::player player	3122	cf::object::player
2102	cf::player peaceful	3123	player
2103	cf::map trigger	3124
		3125	cf::player
		3126	peaceful
		3127
		3128	cf::map
		3129	trigger
2104		3130
2105	=cut	3131	=cut
2106		3132
2107	for (	3133	for (
2108	["cf::object" => qw(contr pay_amount pay_player map)],	3134	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3135	insert remove inv nrof name archname title slaying race
		3136	decrease split destroy change_exp)],
2109	["cf::object::player" => qw(player)],	3137	["cf::object::player" => qw(player)],
2110	["cf::player" => qw(peaceful)],	3138	["cf::player" => qw(peaceful)],
2111	["cf::map" => qw(trigger)],	3139	["cf::map" => qw(trigger)],
2112	) {	3140	) {
2113	no strict 'refs';	3141	no strict 'refs';
…		…
2184	=back	3212	=back
2185		3213
2186	=cut	3214	=cut
2187		3215
2188	#############################################################################	3216	#############################################################################
2189
2190	=head2 EXTENSION DATABASE SUPPORT
2191
2192	Crossfire maintains a very simple database for extension use. It can
2193	currently store anything that can be serialised using Storable, which
2194	excludes objects.
2195
2196	The parameter C<$family> should best start with the name of the extension
2197	using it, it should be unique.
2198
2199	=over 4
2200
2201	=item $value = cf::db_get $family => $key
2202
2203	Returns a single value from the database.
2204
2205	=item cf::db_put $family => $key => $value
2206
2207	Stores the given C<$value> in the family.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	sub db_init {
2214	unless ($DB) {
2215	$DB = BDB::db_create $DB_ENV;
2216
2217	cf::sync_job {
2218	eval {
2219	$DB->set_flags (BDB::CHKSUM);
2220
2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2223	cf::cleanup "db_open(db): $!" if $!;
2224	};
2225	cf::cleanup "db_open(db): $@" if $@;
2226	};
2227
2228	my $path = cf::localdir . "/database.pst";
2229	if (stat $path) {
2230	cf::sync_job {
2231	my $pst = Storable::retrieve $path;
2232
2233	cf::db_put (board => data => $pst->{board});
2234	cf::db_put (guildrules => data => $pst->{guildrules});
2235	cf::db_put (rent => balance => $pst->{rent}{balance});
2236	BDB::db_env_txn_checkpoint $DB_ENV;
2237
2238	unlink $path;
2239	};
2240	}
2241	}
2242	}
2243
2244	sub db_get($$) {
2245	my $key = "$_[0]/$_[1]";
2246
2247	cf::sync_job {
2248	BDB::db_get $DB, undef, $key, my $data;
2249
2250	$! ? ()
2251	: Compress::LZF::sthaw $data
2252	}
2253	}
2254
2255	sub db_put($$$) {
2256	BDB::dbreq_pri 4;
2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2258	}
2259
2260	#############################################################################
2261	# the server's init and main functions	3217	# the server's init and main functions
2262		3218
		3219	sub load_facedata($) {
		3220	my ($path) = @_;
		3221
		3222	# HACK to clear player env face cache, we need some signal framework
		3223	# for this (global event?)
		3224	%ext::player_env::MUSIC_FACE_CACHE = ();
		3225
		3226	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3227
		3228	warn "loading facedata from $path\n";
		3229
		3230	my $facedata;
		3231	0 < aio_load $path, $facedata
		3232	or die "$path: $!";
		3233
		3234	$facedata = Coro::Storable::thaw $facedata;
		3235
		3236	$facedata->{version} == 2
		3237	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3238
		3239	# patch in the exptable
		3240	$facedata->{resource}{"res/exp_table"} = {
		3241	type => FT_RSRC,
		3242	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3243	};
		3244	cf::cede_to_tick;
		3245
		3246	{
		3247	my $faces = $facedata->{faceinfo};
		3248
		3249	while (my ($face, $info) = each %$faces) {
		3250	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3251
		3252	cf::face::set_visibility $idx, $info->{visibility};
		3253	cf::face::set_magicmap $idx, $info->{magicmap};
		3254	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3255	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3256
		3257	cf::cede_to_tick;
		3258	}
		3259
		3260	while (my ($face, $info) = each %$faces) {
		3261	next unless $info->{smooth};
		3262
		3263	my $idx = cf::face::find $face
		3264	or next;
		3265
		3266	if (my $smooth = cf::face::find $info->{smooth}) {
		3267	cf::face::set_smooth $idx, $smooth;
		3268	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3269	} else {
		3270	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3271	}
		3272
		3273	cf::cede_to_tick;
		3274	}
		3275	}
		3276
		3277	{
		3278	my $anims = $facedata->{animinfo};
		3279
		3280	while (my ($anim, $info) = each %$anims) {
		3281	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3282	cf::cede_to_tick;
		3283	}
		3284
		3285	cf::anim::invalidate_all; # d'oh
		3286	}
		3287
		3288	{
		3289	# TODO: for gcfclient pleasure, we should give resources
		3290	# that gcfclient doesn't grok a >10000 face index.
		3291	my $res = $facedata->{resource};
		3292
		3293	while (my ($name, $info) = each %$res) {
		3294	if (defined $info->{type}) {
		3295	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3296	my $data;
		3297
		3298	if ($info->{type} & 1) {
		3299	# prepend meta info
		3300
		3301	my $meta = $enc->encode ({
		3302	name => $name,
		3303	%{ $info->{meta} || {} },
		3304	});
		3305
		3306	$data = pack "(w/a*)*", $meta, $info->{data};
		3307	} else {
		3308	$data = $info->{data};
		3309	}
		3310
		3311	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3312	cf::face::set_type $idx, $info->{type};
		3313	} else {
		3314	$RESOURCE{$name} = $info;
		3315	}
		3316
		3317	cf::cede_to_tick;
		3318	}
		3319	}
		3320
		3321	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3322
		3323	1
		3324	}
		3325
		3326	cf::global->attach (on_resource_update => sub {
		3327	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3328	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3329
		3330	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3331	my $sound = $soundconf->{compat}[$_]
		3332	or next;
		3333
		3334	my $face = cf::face::find "sound/$sound->[1]";
		3335	cf::sound::set $sound->[0] => $face;
		3336	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3337	}
		3338
		3339	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3340	my $face = cf::face::find "sound/$v";
		3341	cf::sound::set $k => $face;
		3342	}
		3343	}
		3344	});
		3345
		3346	register_exticmd fx_want => sub {
		3347	my ($ns, $want) = @_;
		3348
		3349	while (my ($k, $v) = each %$want) {
		3350	$ns->fx_want ($k, $v);
		3351	}
		3352	};
		3353
2263	sub load_resources {	3354	sub load_resource_file($) {
2264	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3355	my $guard = lock_acquire "load_resource_file";
		3356
		3357	my $status = load_resource_file_ $_[0];
		3358	get_slot 0.1, 100;
		3359	cf::arch::commit_load;
		3360
		3361	$status
		3362	}
		3363
		3364	sub reload_regions {
		3365	# HACK to clear player env face cache, we need some signal framework
		3366	# for this (global event?)
		3367	%ext::player_env::MUSIC_FACE_CACHE = ();
		3368
		3369	load_resource_file "$MAPDIR/regions"
2265	or die "unable to load regions file\n";#d#	3370	or die "unable to load regions file\n";
2266	}
2267		3371
2268	sub cfg_load {	3372	for (cf::region::list) {
		3373	$_->{match} = qr/$_->{match}/
		3374	if exists $_->{match};
		3375	}
		3376	}
		3377
		3378	sub reload_facedata {
		3379	load_facedata "$DATADIR/facedata"
		3380	or die "unable to load facedata\n";
		3381	}
		3382
		3383	sub reload_archetypes {
		3384	load_resource_file "$DATADIR/archetypes"
		3385	or die "unable to load archetypes\n";
		3386	}
		3387
		3388	sub reload_treasures {
		3389	load_resource_file "$DATADIR/treasures"
		3390	or die "unable to load treasurelists\n";
		3391	}
		3392
		3393	sub reload_resources {
		3394	warn "reloading resource files...\n";
		3395
		3396	reload_facedata;
		3397	reload_archetypes;
		3398	reload_regions;
		3399	reload_treasures;
		3400
		3401	warn "finished reloading resource files\n";
		3402	}
		3403
		3404	sub init {
		3405	my $guard = freeze_mainloop;
		3406
		3407	evthread_start IO::AIO::poll_fileno;
		3408
		3409	reload_resources;
		3410	}
		3411
		3412	sub reload_config {
2269	open my $fh, "<:utf8", cf::confdir . "/config"	3413	open my $fh, "<:utf8", "$CONFDIR/config"
2270	or return;	3414	or return;
2271		3415
2272	local $/;	3416	local $/;
2273	*CFG = YAML::Syck::Load <$fh>;	3417	*CFG = YAML::Load <$fh>;
2274		3418
2275	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3419	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2276		3420
2277	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3421	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2278	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3422	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2284	};	3428	};
2285	warn $@ if $@;	3429	warn $@ if $@;
2286	}	3430	}
2287	}	3431	}
2288		3432
2289	sub init {
2290	load_resources;
2291	}
2292
2293	sub main {	3433	sub main {
2294	# we must not ever block the main coroutine	3434	# we must not ever block the main coroutine
2295	local $Coro::idle = sub {	3435	local $Coro::idle = sub {
2296	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3436	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2297	(async {	3437	(async {
2298	Event::one_event;	3438	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3439	EV::loop EV::LOOP_ONESHOT;
2299	})->prio (Coro::PRIO_MAX);	3440	})->prio (Coro::PRIO_MAX);
2300	};	3441	};
2301		3442
2302	cfg_load;	3443	{
		3444	my $guard = freeze_mainloop;
		3445	reload_config;
2303	db_init;	3446	db_init;
2304	load_extensions;	3447	load_extensions;
2305		3448
2306	$TICK_WATCHER->start;	3449	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3450	}
		3451
2307	Event::loop;	3452	EV::loop;
2308	}	3453	}
2309		3454
2310	#############################################################################	3455	#############################################################################
2311	# initialisation and cleanup	3456	# initialisation and cleanup
2312		3457
2313	# install some emergency cleanup handlers	3458	# install some emergency cleanup handlers
2314	BEGIN {	3459	BEGIN {
		3460	our %SIGWATCHER = ();
2315	for my $signal (qw(INT HUP TERM)) {	3461	for my $signal (qw(INT HUP TERM)) {
2316	Event->signal (	3462	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2317	reentrant => 0,
2318	data => WF_AUTOCANCEL,
2319	signal => $signal,
2320	prio => 0,
2321	cb => sub {
2322	cf::cleanup "SIG$signal";	3463	cf::cleanup "SIG$signal";
2323	},
2324	);	3464	};
		3465	}
		3466	}
		3467
		3468	sub write_runtime_sync {
		3469	my $runtime = "$LOCALDIR/runtime";
		3470
		3471	# first touch the runtime file to show we are still running:
		3472	# the fsync below can take a very very long time.
		3473
		3474	IO::AIO::aio_utime $runtime, undef, undef;
		3475
		3476	my $guard = cf::lock_acquire "write_runtime";
		3477
		3478	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3479	or return;
		3480
		3481	my $value = $cf::RUNTIME + 90 + 10;
		3482	# 10 is the runtime save interval, for a monotonic clock
		3483	# 60 allows for the watchdog to kill the server.
		3484
		3485	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3486	and return;
		3487
		3488	# always fsync - this file is important
		3489	aio_fsync $fh
		3490	and return;
		3491
		3492	# touch it again to show we are up-to-date
		3493	aio_utime $fh, undef, undef;
		3494
		3495	close $fh
		3496	or return;
		3497
		3498	aio_rename "$runtime~", $runtime
		3499	and return;
		3500
		3501	warn "runtime file written.\n";
		3502
2325	}	3503	1
		3504	}
		3505
		3506	our $uuid_lock;
		3507	our $uuid_skip;
		3508
		3509	sub write_uuid_sync($) {
		3510	$uuid_skip ||= $_[0];
		3511
		3512	return if $uuid_lock;
		3513	local $uuid_lock = 1;
		3514
		3515	my $uuid = "$LOCALDIR/uuid";
		3516
		3517	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3518	or return;
		3519
		3520	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3521	$uuid_skip = 0;
		3522
		3523	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3524	and return;
		3525
		3526	# always fsync - this file is important
		3527	aio_fsync $fh
		3528	and return;
		3529
		3530	close $fh
		3531	or return;
		3532
		3533	aio_rename "$uuid~", $uuid
		3534	and return;
		3535
		3536	warn "uuid file written ($value).\n";
		3537
		3538	1
		3539
		3540	}
		3541
		3542	sub write_uuid($$) {
		3543	my ($skip, $sync) = @_;
		3544
		3545	$sync ? write_uuid_sync $skip
		3546	: async { write_uuid_sync $skip };
2326	}	3547	}
2327		3548
2328	sub emergency_save() {	3549	sub emergency_save() {
2329	my $freeze_guard = cf::freeze_mainloop;	3550	my $freeze_guard = cf::freeze_mainloop;
2330		3551
…		…
2336	# and maps saved/destroyed asynchronously.	3557	# and maps saved/destroyed asynchronously.
2337	warn "begin emergency player save\n";	3558	warn "begin emergency player save\n";
2338	for my $login (keys %cf::PLAYER) {	3559	for my $login (keys %cf::PLAYER) {
2339	my $pl = $cf::PLAYER{$login} or next;	3560	my $pl = $cf::PLAYER{$login} or next;
2340	$pl->valid or next;	3561	$pl->valid or next;
		3562	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2341	$pl->save;	3563	$pl->save;
2342	}	3564	}
2343	warn "end emergency player save\n";	3565	warn "end emergency player save\n";
2344		3566
2345	warn "begin emergency map save\n";	3567	warn "begin emergency map save\n";
…		…
2351	warn "end emergency map save\n";	3573	warn "end emergency map save\n";
2352		3574
2353	warn "begin emergency database checkpoint\n";	3575	warn "begin emergency database checkpoint\n";
2354	BDB::db_env_txn_checkpoint $DB_ENV;	3576	BDB::db_env_txn_checkpoint $DB_ENV;
2355	warn "end emergency database checkpoint\n";	3577	warn "end emergency database checkpoint\n";
		3578
		3579	warn "begin write uuid\n";
		3580	write_uuid_sync 1;
		3581	warn "end write uuid\n";
2356	};	3582	};
2357		3583
2358	warn "leave emergency perl save\n";	3584	warn "leave emergency perl save\n";
2359	}	3585	}
2360		3586
…		…
2363		3589
2364	warn Carp::longmess "post_cleanup backtrace"	3590	warn Carp::longmess "post_cleanup backtrace"
2365	if $make_core;	3591	if $make_core;
2366	}	3592	}
2367		3593
		3594	# a safer delete_package, copied from Symbol
		3595	sub clear_package($) {
		3596	my $pkg = shift;
		3597
		3598	# expand to full symbol table name if needed
		3599	unless ($pkg =~ /^main::.*::$/) {
		3600	$pkg = "main$pkg" if $pkg =~ /^::/;
		3601	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3602	$pkg .= '::' unless $pkg =~ /::$/;
		3603	}
		3604
		3605	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3606	my $stem_symtab = *{$stem}{HASH};
		3607
		3608	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3609	or return;
		3610
		3611	# clear all symbols
		3612	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3613	for my $name (keys %$leaf_symtab) {
		3614	_gv_clear *{"$pkg$name"};
		3615	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3616	}
		3617	warn "cleared package #$pkg\n";#d#
		3618	}
		3619
		3620	our $RELOAD; # how many times to reload
		3621
2368	sub reload() {	3622	sub do_reload_perl() {
2369	# can/must only be called in main	3623	# can/must only be called in main
2370	if ($Coro::current != $Coro::main) {	3624	if ($Coro::current != $Coro::main) {
2371	warn "can only reload from main coroutine";	3625	warn "can only reload from main coroutine";
2372	return;	3626	return;
2373	}	3627	}
2374		3628
		3629	return if $RELOAD++;
		3630
		3631	while ($RELOAD) {
2375	warn "reloading...";	3632	warn "reloading...";
2376		3633
2377	warn "cancelling server ticker";	3634	warn "entering sync_job";
2378	$TICK_WATCHER->cancel;
2379		3635
		3636	cf::sync_job {
		3637	cf::write_runtime_sync; # external watchdog should not bark
2380	cf::emergency_save;	3638	cf::emergency_save;
		3639	cf::write_runtime_sync; # external watchdog should not bark
2381		3640
2382	eval {	3641	warn "syncing database to disk";
		3642	BDB::db_env_txn_checkpoint $DB_ENV;
		3643
2383	# if anything goes wrong in here, we should simply crash as we already saved	3644	# if anything goes wrong in here, we should simply crash as we already saved
2384		3645
2385	warn "cancelling all WF_AUTOCANCEL watchers";
2386	for (Event::all_watchers) {
2387	$_->cancel if $_->data & WF_AUTOCANCEL;
2388	}
2389
2390	warn "syncing database to disk";
2391	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2392
2393	warn "flushing outstanding aio requests";	3646	warn "flushing outstanding aio requests";
2394	for (;;) {
2395	BDB::flush;
2396	IO::AIO::flush;
2397	Coro::cede;
2398	last unless IO::AIO::nreqs || BDB::nreqs;	3647	while (IO::AIO::nreqs || BDB::nreqs) {
2399	warn "iterate...";	3648	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2400	}
2401
2402	warn "cancelling all extension coros";
2403	$_->cancel for values %EXT_CORO;
2404	%EXT_CORO = ();
2405
2406	warn "removing commands";
2407	%COMMAND = ();
2408
2409	warn "removing ext commands";
2410	%EXTCMD = ();
2411
2412	warn "unloading/nuking all extensions";
2413	for my $pkg (@EXTS) {
2414	warn "... unloading $pkg";
2415
2416	if (my $cb = $pkg->can ("unload")) {
2417	eval {
2418	$cb->($pkg);
2419	1
2420	} or warn "$pkg unloaded, but with errors: $@";
2421	}	3649	}
2422		3650
2423	warn "... nuking $pkg";	3651	warn "cancelling all extension coros";
2424	Symbol::delete_package $pkg;	3652	$_->cancel for values %EXT_CORO;
2425	}	3653	%EXT_CORO = ();
2426		3654
2427	warn "unloading all perl modules loaded from $LIBDIR";	3655	warn "removing commands";
2428	while (my ($k, $v) = each %INC) {	3656	%COMMAND = ();
2429	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2430		3657
		3658	warn "removing ext/exti commands";
		3659	%EXTCMD = ();
		3660	%EXTICMD = ();
		3661
		3662	warn "unloading/nuking all extensions";
		3663	for my $pkg (@EXTS) {
2431	warn "... unloading $k";	3664	warn "... unloading $pkg";
2432	delete $INC{$k};
2433		3665
2434	$k =~ s/\.pm$//;
2435	$k =~ s/\//::/g;
2436
2437	if (my $cb = $k->can ("unload_module")) {	3666	if (my $cb = $pkg->can ("unload")) {
		3667	eval {
2438	$cb->();	3668	$cb->($pkg);
		3669	1
		3670	} or warn "$pkg unloaded, but with errors: $@";
		3671	}
		3672
		3673	warn "... clearing $pkg";
		3674	clear_package $pkg;
2439	}	3675	}
2440		3676
2441	Symbol::delete_package $k;	3677	warn "unloading all perl modules loaded from $LIBDIR";
		3678	while (my ($k, $v) = each %INC) {
		3679	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3680
		3681	warn "... unloading $k";
		3682	delete $INC{$k};
		3683
		3684	$k =~ s/\.pm$//;
		3685	$k =~ s/\//::/g;
		3686
		3687	if (my $cb = $k->can ("unload_module")) {
		3688	$cb->();
		3689	}
		3690
		3691	clear_package $k;
2442	}	3692	}
2443		3693
2444	warn "getting rid of safe::, as good as possible";	3694	warn "getting rid of safe::, as good as possible";
2445	Symbol::delete_package "safe::$_"	3695	clear_package "safe::$_"
2446	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3696	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2447		3697
2448	warn "unloading cf.pm \"a bit\"";	3698	warn "unloading cf.pm \"a bit\"";
2449	delete $INC{"cf.pm"};	3699	delete $INC{"cf.pm"};
		3700	delete $INC{"cf/pod.pm"};
2450		3701
2451	# don't, removes xs symbols, too,	3702	# don't, removes xs symbols, too,
2452	# and global variables created in xs	3703	# and global variables created in xs
2453	#Symbol::delete_package __PACKAGE__;	3704	#clear_package __PACKAGE__;
2454		3705
2455	warn "unload completed, starting to reload now";	3706	warn "unload completed, starting to reload now";
2456		3707
2457	warn "reloading cf.pm";	3708	warn "reloading cf.pm";
2458	require cf;	3709	require cf;
2459	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3710	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2460		3711
2461	warn "loading config and database again";	3712	warn "loading config and database again";
2462	cf::cfg_load;	3713	cf::reload_config;
2463		3714
2464	warn "loading extensions";	3715	warn "loading extensions";
2465	cf::load_extensions;	3716	cf::load_extensions;
2466		3717
2467	warn "reattaching attachments to objects/players";	3718	warn "reattaching attachments to objects/players";
2468	_global_reattach;	3719	_global_reattach; # objects, sockets
2469	warn "reattaching attachments to maps";	3720	warn "reattaching attachments to maps";
2470	reattach $_ for values %MAP;	3721	reattach $_ for values %MAP;
		3722	warn "reattaching attachments to players";
		3723	reattach $_ for values %PLAYER;
2471		3724
2472	warn "loading reloadable resources";	3725	warn "leaving sync_job";
2473	load_resources;
2474		3726
2475	warn "restarting server ticker";	3727	1
		3728	} or do {
		3729	warn $@;
		3730	cf::cleanup "error while reloading, exiting.";
		3731	};
2476		3732
2477	$TICK_WATCHER->start;	3733	warn "reloaded";
		3734	--$RELOAD;
		3735	}
		3736	};
		3737
		3738	our $RELOAD_WATCHER; # used only during reload
		3739
		3740	sub reload_perl() {
		3741	# doing reload synchronously and two reloads happen back-to-back,
		3742	# coro crashes during coro_state_free->destroy here.
		3743
		3744	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3745	do_reload_perl;
		3746	undef $RELOAD_WATCHER;
2478	};	3747	};
2479		3748	}
2480	if ($@) {
2481	warn $@;
2482	warn "error while reloading, exiting.";
2483	exit 1;
2484	}
2485
2486	warn "reloaded";
2487	};
2488
2489	our $RELOAD_WATCHER; # used only during reload
2490		3749
2491	register_command "reload" => sub {	3750	register_command "reload" => sub {
2492	my ($who, $arg) = @_;	3751	my ($who, $arg) = @_;
2493		3752
2494	if ($who->flag (FLAG_WIZ)) {	3753	if ($who->flag (FLAG_WIZ)) {
2495	$who->message ("reloading server.");	3754	$who->message ("reloading server.");
2496		3755	async {
2497	# doing reload synchronously and two reloads happen back-to-back,	3756	$Coro::current->{desc} = "perl_reload";
2498	# coro crashes during coro_state_free->destroy here.
2499
2500	$RELOAD_WATCHER ||= Event->timer (
2501	reentrant => 0,
2502	after => 0,
2503	data => WF_AUTOCANCEL,
2504	cb => sub {
2505	reload;	3757	reload_perl;
2506	undef $RELOAD_WATCHER;
2507	},
2508	);	3758	};
2509	}	3759	}
2510	};	3760	};
2511		3761
2512	unshift @INC, $LIBDIR;	3762	unshift @INC, $LIBDIR;
2513		3763
2514	my $bug_warning = 0;	3764	my $bug_warning = 0;
2515		3765
2516	$TICK_WATCHER = Event->timer (	3766	our @WAIT_FOR_TICK;
2517	reentrant => 0,	3767	our @WAIT_FOR_TICK_BEGIN;
2518	parked => 1,	3768
2519	prio => 0,	3769	sub wait_for_tick {
2520	at => $NEXT_TICK || $TICK,	3770	return if tick_inhibit || $Coro::current == $Coro::main;
2521	data => WF_AUTOCANCEL,	3771
2522	cb => sub {	3772	my $signal = new Coro::Signal;
		3773	push @WAIT_FOR_TICK, $signal;
		3774	$signal->wait;
		3775	}
		3776
		3777	sub wait_for_tick_begin {
		3778	return if tick_inhibit || $Coro::current == $Coro::main;
		3779
		3780	my $signal = new Coro::Signal;
		3781	push @WAIT_FOR_TICK_BEGIN, $signal;
		3782	$signal->wait;
		3783	}
		3784
		3785	sub tick {
2523	if ($Coro::current != $Coro::main) {	3786	if ($Coro::current != $Coro::main) {
2524	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3787	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2525	unless ++$bug_warning > 10;	3788	unless ++$bug_warning > 10;
2526	return;	3789	return;
2527	}	3790	}
2528		3791
2529	$NOW = Event::time;
2530
2531	cf::server_tick; # one server iteration	3792	cf::server_tick; # one server iteration
2532	$RUNTIME += $TICK;
2533	$NEXT_TICK += $TICK;
2534		3793
2535	$WAIT_FOR_TICK->broadcast;	3794	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2536	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3795	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		3796	Coro::async_pool {
		3797	$Coro::current->{desc} = "runtime saver";
		3798	write_runtime_sync
		3799	or warn "ERROR: unable to write runtime file: $!";
		3800	};
		3801	}
2537		3802
2538	Event::sweep;	3803	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2539	Coro::cede_notself;	3804	$sig->send;
		3805	}
		3806	while (my $sig = shift @WAIT_FOR_TICK) {
		3807	$sig->send;
		3808	}
		3809
		3810	$LOAD = ($NOW - $TICK_START) / $TICK;
		3811	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3812
		3813	if (0) {
		3814	if ($NEXT_TICK) {
		3815	my $jitter = $TICK_START - $NEXT_TICK;
		3816	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3817	warn "jitter $JITTER\n";#d#
2540		3818	}
2541	# my $AFTER = Event::time;
2542	# warn $AFTER - $NOW;#d#
2543
2544	# if we are delayed by four ticks or more, skip them all
2545	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2546
2547	$TICK_WATCHER->at ($NEXT_TICK);
2548	$TICK_WATCHER->start;
2549	},	3819	}
2550	);	3820	}
2551		3821
2552	{	3822	{
2553	BDB::max_poll_time $TICK * 0.1;	3823	# configure BDB
2554	$BDB_POLL_WATCHER = Event->io (	3824
2555	reentrant => 0,
2556	fd => BDB::poll_fileno,
2557	poll => 'r',
2558	prio => 0,
2559	data => WF_AUTOCANCEL,
2560	cb => \&BDB::poll_cb,
2561	);
2562	BDB::min_parallel 8;	3825	BDB::min_parallel 8;
2563		3826	BDB::max_poll_reqs $TICK * 0.1;
2564	BDB::set_sync_prepare {	3827	$AnyEvent::BDB::WATCHER->priority (1);
2565	my $status;
2566	my $current = $Coro::current;
2567	(
2568	sub {
2569	$status = $!;
2570	$current->ready; undef $current;
2571	},
2572	sub {
2573	Coro::schedule while defined $current;
2574	$! = $status;
2575	},
2576	)
2577	};
2578		3828
2579	unless ($DB_ENV) {	3829	unless ($DB_ENV) {
2580	$DB_ENV = BDB::db_env_create;	3830	$DB_ENV = BDB::db_env_create;
		3831	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3832	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3833	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3834	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3835	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2581		3836
2582	cf::sync_job {	3837	cf::sync_job {
2583	eval {	3838	eval {
2584	BDB::db_env_open	3839	BDB::db_env_open
2585	$DB_ENV,	3840	$DB_ENV,
2586	$BDB_ENV_DIR,	3841	$BDBDIR,
2587	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3842	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2588	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3843	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2589	0666;	3844	0666;
2590		3845
2591	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3846	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2592
2593	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2594	$DB_ENV->set_lk_detect;
2595	};	3847	};
2596		3848
2597	cf::cleanup "db_env_open(db): $@" if $@;	3849	cf::cleanup "db_env_open(db): $@" if $@;
2598	};	3850	};
2599	}	3851	}
		3852
		3853	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3854	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3855	};
		3856	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3857	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3858	};
		3859	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3860	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3861	};
2600	}	3862	}
2601		3863
2602	{	3864	{
		3865	# configure IO::AIO
		3866
2603	IO::AIO::min_parallel 8;	3867	IO::AIO::min_parallel 8;
2604
2605	undef $Coro::AIO::WATCHER;
2606	IO::AIO::max_poll_time $TICK * 0.1;	3868	IO::AIO::max_poll_time $TICK * 0.1;
2607	$AIO_POLL_WATCHER = Event->io (	3869	undef $AnyEvent::AIO::WATCHER;
2608	reentrant => 0,
2609	fd => IO::AIO::poll_fileno,
2610	poll => 'r',
2611	prio => 6,
2612	data => WF_AUTOCANCEL,
2613	cb => \&IO::AIO::poll_cb,
2614	);
2615	}	3870	}
2616		3871
2617	$WRITE_RUNTIME_WATCHER = Event->timer (	3872	my $_log_backtrace;
2618	reentrant => 0,	3873
2619	data => WF_AUTOCANCEL,	3874	sub _log_backtrace {
2620	after => 1,	3875	my ($msg, @addr) = @_;
2621	interval => 10,	3876
2622	prio => 6, # keep it lowest so it acts like a watchdog	3877	$msg =~ s/\n//;
2623	cb => Coro::unblock_sub {	3878
2624	write_runtime	3879	# limit the # of concurrent backtraces
2625	or warn "ERROR: unable to write runtime file: $!";	3880	if ($_log_backtrace < 2) {
		3881	++$_log_backtrace;
		3882	async {
		3883	$Coro::current->{desc} = "abt $msg";
		3884
		3885	my @bt = fork_call {
		3886	@addr = map { sprintf "%x", $_ } @addr;
		3887	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3888	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3889	or die "addr2line: $!";
		3890
		3891	my @funcs;
		3892	my @res = <$fh>;
		3893	chomp for @res;
		3894	while (@res) {
		3895	my ($func, $line) = splice @res, 0, 2, ();
		3896	push @funcs, "[$func] $line";
		3897	}
		3898
		3899	@funcs
		3900	};
		3901
		3902	LOG llevInfo, "[ABT] $msg\n";
		3903	LOG llevInfo, "[ABT] $_\n" for @bt;
		3904	--$_log_backtrace;
		3905	};
		3906	} else {
		3907	LOG llevInfo, "[ABT] $msg\n";
		3908	LOG llevInfo, "[ABT] [suppressed]\n";
2626	},	3909	}
2627	);	3910	}
		3911
		3912	# load additional modules
		3913	use cf::pod;
2628		3914
2629	END { cf::emergency_save }	3915	END { cf::emergency_save }
2630		3916
2631	1	3917	1
2632		3918

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