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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 1.443 by root, Sun Aug 31 10:05:26 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 have 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	sub expand_cfpod {
		1631	my ($self, $pod) = @_;
		1632
		1633	my @nest = [qr<\G$>, undef, ""];
		1634	my $xml;
		1635
		1636	for ($pod) {
		1637	while () {
		1638	if (/\G( (?: [^BCEGHITUZ&>\n\ ]+ | [BCEGHITUZ](?!<) | \ (?!>) )+ )/xgcs) {
		1639	$xml .= $1;
		1640	} elsif (/\G\n(?=\S)/xgcs) {
		1641	$xml .= " ";
		1642	} elsif (/\G\n/xgcs) {
		1643	$xml .= "\n";
		1644	} elsif (/\G ([BCEGHITUZ]) (< (?: <+\ | (?!<) ) )/xgcs) {
		1645	my ($code, $delim) = ($1, scalar reverse $2);
		1646	$delim =~ y/</>/; # delim now contains the stop sequence
		1647	$delim = qr{\G\Q$delim};
		1648
		1649	my $cb;
		1650
		1651	if ($code eq "B") {
		1652	$cb = sub { "<b>$_[0]</b>" };
		1653	} elsif ($code eq "C") {
		1654	$cb = sub { "<tt>$_[0]</tt>" };
		1655	} elsif ($code eq "E") {
		1656	$cb = sub { warn "E<$_[0]>\n";"&$_[0];" };
		1657	} elsif ($code eq "G") {
		1658	$cb = sub {
		1659	my ($male, $female) = split /\|/, $_[0];
		1660	$self->gender ? $female : $male
		1661	};
		1662	} elsif ($code eq "H") {
		1663	$cb = sub {
		1664	(
		1665	"<fg name=\"lightblue\">[$_[0] (Use hintmode to suppress hints)]</fg>",
		1666	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1667	"",
		1668	)[$self->{hintmode}];
		1669	};
		1670	} elsif ($code eq "I") {
		1671	$cb = sub { "<i>$_[0]</i>" };
		1672	} elsif ($code eq "T") {
		1673	$cb = sub { "<big><b>$_[0]</b></big>" };
		1674	} elsif ($code eq "U") {
		1675	$cb = sub { "<u>$_[0]</u>" };
		1676	} elsif ($code eq "Z") {
		1677	$cb = sub { };
		1678	} else {
		1679	die "FATAL error in expand_cfpod";
		1680	}
		1681
		1682	push @nest, [$delim, $cb, $xml];
		1683	undef $xml;
		1684
		1685	} elsif ($_ =~ /$nest[-1][0]/gcs) {
		1686	my $nest = pop @nest;
		1687
		1688	if ($nest->[1]) {
		1689	$xml = $nest->[2] . $nest->[1]->($xml);
		1690	} else {
		1691	last;
		1692	}
		1693	} elsif (/\G</xgcs) {
		1694	$xml .= "&lt;";
		1695	} elsif (/\G&/xgcs) {
		1696	$xml .= "&amp;";
		1697	} elsif (/\G>/xgcs) {
		1698	$xml .= ">";
		1699	} else {
		1700	if ($pod =~ /\G(.+)/xgcs) {
		1701	warn "parse error (at $1)($nest[-1][0]) while expanding cfpod:\n$pod";
		1702	last;
		1703	} else {
		1704	warn "parse error (unclosed interior sequence at end of cfpod) while expanding cfpod:\n$pod";
		1705	return "<b>Sorry, the server encountered an internal error when formatting this message, please report this.</b>";
		1706	}
		1707	}
		1708	}
		1709	}
		1710
		1711	$xml
		1712	}
		1713
		1714	sub hintmode {
		1715	$_[0]{hintmode} = $_[1] if @_ > 1;
		1716	$_[0]{hintmode}
		1717	}
		1718
1115	=item $player->ext_reply ($msgid, $msgtype, %msg)	1719	=item $player->ext_reply ($msgid, @msg)
1116		1720
1117	Sends an ext reply to the player.	1721	Sends an ext reply to the player.
1118		1722
1119	=cut	1723	=cut
1120		1724
1121	sub ext_reply($$$%) {	1725	sub ext_reply($$@) {
1122	my ($self, $id, %msg) = @_;	1726	my ($self, $id, @msg) = @_;
1123		1727
1124	$msg{msgid} = $id;	1728	$self->ns->ext_reply ($id, @msg)
1125
1126	$self->send ("ext " . cf::to_json \%msg);
1127	}	1729	}
1128		1730
1129	package cf;	1731	=item $player->ext_msg ($type, @msg)
		1732
		1733	Sends an ext event to the client.
		1734
		1735	=cut
		1736
		1737	sub ext_msg($$@) {
		1738	my ($self, $type, @msg) = @_;
		1739
		1740	$self->ns->ext_msg ($type, @msg);
		1741	}
		1742
		1743	=head3 cf::region
		1744
		1745	=over 4
		1746
		1747	=cut
		1748
		1749	package cf::region;
		1750
		1751	=item cf::region::find_by_path $path
		1752
		1753	Tries to decuce the likely region for a map knowing only its path.
		1754
		1755	=cut
		1756
		1757	sub find_by_path($) {
		1758	my ($path) = @_;
		1759
		1760	my ($match, $specificity);
		1761
		1762	for my $region (list) {
		1763	if ($region->{match} && $path =~ $region->{match}) {
		1764	($match, $specificity) = ($region, $region->specificity)
		1765	if $region->specificity > $specificity;
		1766	}
		1767	}
		1768
		1769	$match
		1770	}
1130		1771
1131	=back	1772	=back
1132
1133		1773
1134	=head3 cf::map	1774	=head3 cf::map
1135		1775
1136	=over 4	1776	=over 4
1137		1777
…		…
1149	our $MAX_RESET = 3600;	1789	our $MAX_RESET = 3600;
1150	our $DEFAULT_RESET = 3000;	1790	our $DEFAULT_RESET = 3000;
1151		1791
1152	sub generate_random_map {	1792	sub generate_random_map {
1153	my ($self, $rmp) = @_;	1793	my ($self, $rmp) = @_;
		1794
		1795	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1796
1154	# mit "rum" bekleckern, nicht	1797	# mit "rum" bekleckern, nicht
1155	$self->_create_random_map (	1798	$self->_create_random_map (
1156	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1799	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1157	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1800	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1158	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1801	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1192	my ($self, $merge) = @_;	1835	my ($self, $merge) = @_;
1193		1836
1194	# we have to keep some variables in memory intact	1837	# we have to keep some variables in memory intact
1195	local $self->{path};	1838	local $self->{path};
1196	local $self->{load_path};	1839	local $self->{load_path};
1197	local $self->{deny_save};
1198	local $self->{deny_reset};
1199		1840
1200	$self->SUPER::thawer_merge ($merge);	1841	$self->SUPER::thawer_merge ($merge);
1201	}	1842	}
1202		1843
1203	sub normalise {	1844	sub normalise {
…		…
1250	$self->init; # pass $1 etc.	1891	$self->init; # pass $1 etc.
1251	return $self;	1892	return $self;
1252	}	1893	}
1253	}	1894	}
1254		1895
1255	Carp::carp "unable to resolve path '$path' (base '$base').";	1896	Carp::cluck "unable to resolve path '$path' (base '$base').";
1256	()	1897	()
1257	}	1898	}
1258		1899
1259	sub init {	1900	sub init {
1260	my ($self) = @_;	1901	my ($self) = @_;
…		…
1275		1916
1276	# the original (read-only) location	1917	# the original (read-only) location
1277	sub load_path {	1918	sub load_path {
1278	my ($self) = @_;	1919	my ($self) = @_;
1279		1920
1280	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1921	"$MAPDIR/$self->{path}.map"
1281	}	1922	}
1282		1923
1283	# the temporary/swap location	1924	# the temporary/swap location
1284	sub save_path {	1925	sub save_path {
1285	my ($self) = @_;	1926	my ($self) = @_;
1286		1927
1287	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1928	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1288	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1929	"$TMPDIR/$path.map"
1289	}	1930	}
1290		1931
1291	# the unique path, undef == no special unique path	1932	# the unique path, undef == no special unique path
1292	sub uniq_path {	1933	sub uniq_path {
1293	my ($self) = @_;	1934	my ($self) = @_;
1294		1935
1295	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1936	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1296	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1937	"$UNIQUEDIR/$path"
1297	}	1938	}
1298		1939
1299	# and all this just because we cannot iterate over	1940	# and all this just because we cannot iterate over
1300	# all maps in C++...	1941	# all maps in C++...
1301	sub change_all_map_light {	1942	sub change_all_map_light {
…		…
1303		1944
1304	$_->change_map_light ($change)	1945	$_->change_map_light ($change)
1305	for grep $_->outdoor, values %cf::MAP;	1946	for grep $_->outdoor, values %cf::MAP;
1306	}	1947	}
1307		1948
		1949	sub decay_objects {
		1950	my ($self) = @_;
		1951
		1952	return if $self->{deny_reset};
		1953
		1954	$self->do_decay_objects;
		1955	}
		1956
1308	sub unlink_save {	1957	sub unlink_save {
1309	my ($self) = @_;	1958	my ($self) = @_;
1310		1959
1311	utf8::encode (my $save = $self->save_path);	1960	utf8::encode (my $save = $self->save_path);
1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1961	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1962	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	}	1963	}
1320		1964
1321	sub load_header_from($) {	1965	sub load_header_from($) {
1322	my ($self, $path) = @_;	1966	my ($self, $path) = @_;
1323		1967
1324	utf8::encode $path;	1968	utf8::encode $path;
1325	#aio_open $path, O_RDONLY, 0	1969	my $f = new_from_file cf::object::thawer $path
1326	# or return;
1327
1328	$self->_load_header ($path)
1329	or return;	1970	or return;
		1971
		1972	$self->_load_header ($f)
		1973	or return;
		1974
		1975	local $MAP_LOADING{$self->{path}} = $self;
		1976	$f->resolve_delayed_derefs;
1330		1977
1331	$self->{load_path} = $path;	1978	$self->{load_path} = $path;
1332		1979
1333	1	1980	1
1334	}	1981	}
…		…
1373	$self->load_header_orig	2020	$self->load_header_orig
1374	or return;	2021	or return;
1375	$self->prepare_orig;	2022	$self->prepare_orig;
1376	}	2023	}
1377		2024
		2025	$self->{deny_reset} = 1
		2026	if $self->no_reset;
		2027
		2028	$self->default_region (cf::region::find_by_path $self->{path})
		2029	unless $self->default_region;
		2030
1378	1	2031	1
1379	}	2032	}
1380		2033
1381	sub find;	2034	sub find;
1382	sub find {	2035	sub find {
1383	my ($path, $origin) = @_;	2036	my ($path, $origin) = @_;
1384		2037
1385	$path = normalise $path, $origin && $origin->path;	2038	$path = normalise $path, $origin && $origin->path;
1386		2039
		2040	cf::lock_wait "map_data:$path";#d#remove
1387	cf::lock_wait "map_find:$path";	2041	cf::lock_wait "map_find:$path";
1388		2042
1389	$cf::MAP{$path} || do {	2043	$cf::MAP{$path} || do {
		2044	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1390	my $guard = cf::lock_acquire "map_find:$path";	2045	my $guard2 = cf::lock_acquire "map_find:$path";
		2046
1391	my $map = new_from_path cf::map $path	2047	my $map = new_from_path cf::map $path
1392	or return;	2048	or return;
1393		2049
1394	$map->{last_save} = $cf::RUNTIME;	2050	$map->{last_save} = $cf::RUNTIME;
1395		2051
1396	$map->load_header	2052	$map->load_header
1397	or return;	2053	or return;
1398		2054
1399	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2055	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1400	# doing this can freeze the server in a sync job, obviously	2056	# doing this can freeze the server in a sync job, obviously
1401	#$cf::WAIT_FOR_TICK->wait;	2057	#$cf::WAIT_FOR_TICK->wait;
		2058	undef $guard2;
		2059	undef $guard1;
1402	$map->reset;	2060	$map->reset;
1403	undef $guard;
1404	return find $path;	2061	return find $path;
1405	}	2062	}
1406		2063
1407	$cf::MAP{$path} = $map	2064	$cf::MAP{$path} = $map
1408	}	2065	}
…		…
1415	my ($self) = @_;	2072	my ($self) = @_;
1416		2073
1417	local $self->{deny_reset} = 1; # loading can take a long time	2074	local $self->{deny_reset} = 1; # loading can take a long time
1418		2075
1419	my $path = $self->{path};	2076	my $path = $self->{path};
		2077
		2078	{
1420	my $guard = cf::lock_acquire "map_load:$path";	2079	my $guard = cf::lock_acquire "map_data:$path";
1421		2080
		2081	return unless $self->valid;
1422	return if $self->in_memory != cf::MAP_SWAPPED;	2082	return unless $self->in_memory == cf::MAP_SWAPPED;
1423		2083
1424	$self->in_memory (cf::MAP_LOADING);	2084	$self->in_memory (cf::MAP_LOADING);
1425		2085
1426	$self->alloc;	2086	$self->alloc;
1427		2087
1428	$self->pre_load;	2088	$self->pre_load;
		2089	cf::cede_to_tick;
1429		2090
1430	$self->_load_objects ($self->{load_path}, 1)	2091	my $f = new_from_file cf::object::thawer $self->{load_path};
		2092	$f->skip_block;
		2093	$self->_load_objects ($f)
1431	or return;	2094	or return;
1432		2095
1433	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2096	$self->post_load_original
1434	if delete $self->{load_original};	2097	if delete $self->{load_original};
1435		2098
1436	if (my $uniq = $self->uniq_path) {	2099	if (my $uniq = $self->uniq_path) {
1437	utf8::encode $uniq;	2100	utf8::encode $uniq;
1438	if (aio_open $uniq, O_RDONLY, 0) {	2101	unless (aio_stat $uniq) {
		2102	if (my $f = new_from_file cf::object::thawer $uniq) {
1439	$self->clear_unique_items;	2103	$self->clear_unique_items;
1440	$self->_load_objects ($uniq, 0);	2104	$self->_load_objects ($f);
		2105	$f->resolve_delayed_derefs;
		2106	}
1441	}	2107	}
1442	}	2108	}
1443		2109
1444	Coro::cede;	2110	$f->resolve_delayed_derefs;
1445		2111
		2112	cf::cede_to_tick;
1446	# now do the right thing for maps	2113	# now do the right thing for maps
1447	$self->link_multipart_objects;	2114	$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)	2115	$self->difficulty ($self->estimate_difficulty)
1456	unless $self->difficulty;	2116	unless $self->difficulty;
1457	Coro::cede;	2117	cf::cede_to_tick;
		2118
		2119	unless ($self->{deny_activate}) {
		2120	$self->decay_objects;
		2121	$self->fix_auto_apply;
		2122	$self->update_buttons;
		2123	cf::cede_to_tick;
		2124	$self->set_darkness_map;
		2125	cf::cede_to_tick;
1458	$self->activate;	2126	$self->activate;
		2127	}
		2128
		2129	$self->{last_save} = $cf::RUNTIME;
		2130	$self->last_access ($cf::RUNTIME);
		2131
		2132	$self->in_memory (cf::MAP_ACTIVE);
1459	}	2133	}
1460		2134
1461	$self->post_load;	2135	$self->post_load;
1462
1463	$self->in_memory (cf::MAP_IN_MEMORY);
1464	}	2136	}
1465		2137
1466	sub customise_for {	2138	sub customise_for {
1467	my ($self, $ob) = @_;	2139	my ($self, $ob) = @_;
1468		2140
1469	return find "~" . $ob->name . "/" . $self->{path}	2141	return find "~" . $ob->name . "/" . $self->{path}
1470	if $self->per_player;	2142	if $self->per_player;
1471		2143
		2144	# return find "?party/" . $ob->name . "/" . $self->{path}
		2145	# if $self->per_party;
		2146
1472	$self	2147	$self
1473	}	2148	}
1474		2149
1475	# find and load all maps in the 3x3 area around a map	2150	# find and load all maps in the 3x3 area around a map
1476	sub load_diag {	2151	sub load_neighbours {
1477	my ($map) = @_;	2152	my ($map) = @_;
1478		2153
1479	my @diag; # diagonal neighbours	2154	my @neigh; # diagonal neighbours
1480		2155
1481	for (0 .. 3) {	2156	for (0 .. 3) {
1482	my $neigh = $map->tile_path ($_)	2157	my $neigh = $map->tile_path ($_)
1483	or next;	2158	or next;
1484	$neigh = find $neigh, $map	2159	$neigh = find $neigh, $map
1485	or next;	2160	or next;
1486	$neigh->load;	2161	$neigh->load;
1487		2162
		2163	push @neigh,
1488	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2164	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1489	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2165	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1490	}	2166	}
1491		2167
1492	for (@diag) {	2168	for (grep defined $_->[0], @neigh) {
		2169	my ($path, $origin) = @$_;
1493	my $neigh = find @$_	2170	my $neigh = find $path, $origin
1494	or next;	2171	or next;
1495	$neigh->load;	2172	$neigh->load;
1496	}	2173	}
1497	}	2174	}
1498		2175
…		…
1503	}	2180	}
1504		2181
1505	sub do_load_sync {	2182	sub do_load_sync {
1506	my ($map) = @_;	2183	my ($map) = @_;
1507		2184
		2185	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2186	if $Coro::current == $Coro::main;
		2187
1508	cf::sync_job { $map->load };	2188	cf::sync_job { $map->load };
1509	}	2189	}
1510		2190
1511	our %MAP_PREFETCH;	2191	our %MAP_PREFETCH;
1512	our $MAP_PREFETCHER = undef;	2192	our $MAP_PREFETCHER = undef;
1513		2193
1514	sub find_async {	2194	sub find_async {
1515	my ($path, $origin) = @_;	2195	my ($path, $origin, $load) = @_;
1516		2196
1517	$path = normalise $path, $origin && $origin->{path};	2197	$path = normalise $path, $origin && $origin->{path};
1518		2198
1519	if (my $map = $cf::MAP{$path}) {	2199	if (my $map = $cf::MAP{$path}) {
1520	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2200	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1521	}	2201	}
1522		2202
1523	undef $MAP_PREFETCH{$path};	2203	$MAP_PREFETCH{$path} |= $load;
		2204
1524	$MAP_PREFETCHER ||= cf::async {	2205	$MAP_PREFETCHER ||= cf::async {
		2206	$Coro::current->{desc} = "map prefetcher";
		2207
1525	while (%MAP_PREFETCH) {	2208	while (%MAP_PREFETCH) {
1526	for my $path (keys %MAP_PREFETCH) {	2209	while (my ($k, $v) = each %MAP_PREFETCH) {
1527	my $map = find $path	2210	if (my $map = find $k) {
1528	or next;
1529	$map->load;	2211	$map->load if $v;
		2212	}
1530		2213
1531	delete $MAP_PREFETCH{$path};	2214	delete $MAP_PREFETCH{$k};
1532	}	2215	}
1533	}	2216	}
1534	undef $MAP_PREFETCHER;	2217	undef $MAP_PREFETCHER;
1535	};	2218	};
1536	$MAP_PREFETCHER->prio (6);	2219	$MAP_PREFETCHER->prio (6);
…		…
1539	}	2222	}
1540		2223
1541	sub save {	2224	sub save {
1542	my ($self) = @_;	2225	my ($self) = @_;
1543		2226
1544	my $lock = cf::lock_acquire "map_data:" . $self->path;	2227	my $lock = cf::lock_acquire "map_data:$self->{path}";
1545		2228
1546	$self->{last_save} = $cf::RUNTIME;	2229	$self->{last_save} = $cf::RUNTIME;
1547		2230
1548	return unless $self->dirty;	2231	return unless $self->dirty;
1549		2232
…		…
1555	return if $self->{deny_save};	2238	return if $self->{deny_save};
1556		2239
1557	local $self->{last_access} = $self->last_access;#d#	2240	local $self->{last_access} = $self->last_access;#d#
1558		2241
1559	cf::async {	2242	cf::async {
		2243	$Coro::current->{desc} = "map player save";
1560	$_->contr->save for $self->players;	2244	$_->contr->save for $self->players;
1561	};	2245	};
		2246
		2247	cf::get_slot 0.02;
1562		2248
1563	if ($uniq) {	2249	if ($uniq) {
1564	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2250	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1565	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2251	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1566	} else {	2252	} else {
…		…
1572	my ($self) = @_;	2258	my ($self) = @_;
1573		2259
1574	# save first because save cedes	2260	# save first because save cedes
1575	$self->save;	2261	$self->save;
1576		2262
1577	my $lock = cf::lock_acquire "map_data:" . $self->path;	2263	my $lock = cf::lock_acquire "map_data:$self->{path}";
1578		2264
1579	return if $self->players;	2265	return if $self->players;
1580	return if $self->in_memory != cf::MAP_IN_MEMORY;	2266	return if $self->in_memory != cf::MAP_ACTIVE;
1581	return if $self->{deny_save};	2267	return if $self->{deny_save};
1582		2268
		2269	$self->in_memory (cf::MAP_SWAPPED);
		2270
		2271	$self->deactivate;
		2272	$_->clear_links_to ($self) for values %cf::MAP;
1583	$self->clear;	2273	$self->clear;
1584	$self->in_memory (cf::MAP_SWAPPED);
1585	}	2274	}
1586		2275
1587	sub reset_at {	2276	sub reset_at {
1588	my ($self) = @_;	2277	my ($self) = @_;
1589		2278
1590	# TODO: safety, remove and allow resettable per-player maps	2279	# 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};	2280	return 1e99 if $self->{deny_reset};
1593		2281
1594	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2282	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1595	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2283	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1596		2284
…		…
1607	my ($self) = @_;	2295	my ($self) = @_;
1608		2296
1609	my $lock = cf::lock_acquire "map_data:$self->{path}";	2297	my $lock = cf::lock_acquire "map_data:$self->{path}";
1610		2298
1611	return if $self->players;	2299	return if $self->players;
1612	return if $self->isa ("ext::map_per_player");#d#
1613		2300
1614	warn "resetting map ", $self->path;#d#	2301	warn "resetting map ", $self->path;
1615		2302
1616	$self->in_memory (cf::MAP_SWAPPED);	2303	$self->in_memory (cf::MAP_SWAPPED);
1617		2304
1618	# need to save uniques path	2305	# need to save uniques path
1619	unless ($self->{deny_save}) {	2306	unless ($self->{deny_save}) {
…		…
1623	if $uniq;	2310	if $uniq;
1624	}	2311	}
1625		2312
1626	delete $cf::MAP{$self->path};	2313	delete $cf::MAP{$self->path};
1627		2314
		2315	$self->deactivate;
		2316	$_->clear_links_to ($self) for values %cf::MAP;
1628	$self->clear;	2317	$self->clear;
1629
1630	$_->clear_links_to ($self) for values %cf::MAP;
1631		2318
1632	$self->unlink_save;	2319	$self->unlink_save;
1633	$self->destroy;	2320	$self->destroy;
1634	}	2321	}
1635		2322
1636	my $nuke_counter = "aaaa";	2323	my $nuke_counter = "aaaa";
1637		2324
1638	sub nuke {	2325	sub nuke {
1639	my ($self) = @_;	2326	my ($self) = @_;
1640		2327
		2328	{
		2329	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2330
1641	delete $cf::MAP{$self->path};	2331	delete $cf::MAP{$self->path};
1642		2332
1643	$self->unlink_save;	2333	$self->unlink_save;
1644		2334
1645	bless $self, "cf::map";	2335	bless $self, "cf::map";
1646	delete $self->{deny_reset};	2336	delete $self->{deny_reset};
1647	$self->{deny_save} = 1;	2337	$self->{deny_save} = 1;
1648	$self->reset_timeout (1);	2338	$self->reset_timeout (1);
1649	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2339	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1650		2340
1651	$cf::MAP{$self->path} = $self;	2341	$cf::MAP{$self->path} = $self;
		2342	}
1652		2343
1653	$self->reset; # polite request, might not happen	2344	$self->reset; # polite request, might not happen
		2345	}
		2346
		2347	=item $maps = cf::map::tmp_maps
		2348
		2349	Returns an arrayref with all map paths of currently instantiated and saved
		2350	maps. May block.
		2351
		2352	=cut
		2353
		2354	sub tmp_maps() {
		2355	[
		2356	map {
		2357	utf8::decode $_;
		2358	/\.map$/
		2359	? normalise $_
		2360	: ()
		2361	} @{ aio_readdir $TMPDIR or [] }
		2362	]
		2363	}
		2364
		2365	=item $maps = cf::map::random_maps
		2366
		2367	Returns an arrayref with all map paths of currently instantiated and saved
		2368	random maps. May block.
		2369
		2370	=cut
		2371
		2372	sub random_maps() {
		2373	[
		2374	map {
		2375	utf8::decode $_;
		2376	/\.map$/
		2377	? normalise "?random/$_"
		2378	: ()
		2379	} @{ aio_readdir $RANDOMDIR or [] }
		2380	]
1654	}	2381	}
1655		2382
1656	=item cf::map::unique_maps	2383	=item cf::map::unique_maps
1657		2384
1658	Returns an arrayref of paths of all shared maps that have	2385	Returns an arrayref of paths of all shared maps that have
1659	instantiated unique items. May block.	2386	instantiated unique items. May block.
1660		2387
1661	=cut	2388	=cut
1662		2389
1663	sub unique_maps() {	2390	sub unique_maps() {
1664	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2391	[
1665	or return;	2392	map {
1666
1667	my @paths;
1668
1669	for (@$files) {
1670	utf8::decode $_;	2393	utf8::decode $_;
1671	next if /\.pst$/;	2394	s/\.map$//; # TODO future compatibility hack
1672	next unless /^$PATH_SEP/o;	2395	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1673		2396	? ()
1674	push @paths, cf::map::normalise $_;	2397	: normalise $_
		2398	} @{ aio_readdir $UNIQUEDIR or [] }
1675	}	2399	]
1676
1677	\@paths
1678	}	2400	}
1679
1680	package cf;
1681		2401
1682	=back	2402	=back
1683		2403
1684	=head3 cf::object	2404	=head3 cf::object
1685		2405
…		…
1689		2409
1690	=over 4	2410	=over 4
1691		2411
1692	=item $ob->inv_recursive	2412	=item $ob->inv_recursive
1693		2413
1694	Returns the inventory of the object _and_ their inventories, recursively.	2414	Returns the inventory of the object I<and> their inventories, recursively,
		2415	but I<not> the object itself.
1695		2416
1696	=cut	2417	=cut
1697		2418
1698	sub inv_recursive_;	2419	sub inv_recursive_;
1699	sub inv_recursive_ {	2420	sub inv_recursive_ {
…		…
1702		2423
1703	sub inv_recursive {	2424	sub inv_recursive {
1704	inv_recursive_ inv $_[0]	2425	inv_recursive_ inv $_[0]
1705	}	2426	}
1706		2427
		2428	=item $ref = $ob->ref
		2429
		2430	Creates and returns a persistent reference to an object that can be stored as a string.
		2431
		2432	=item $ob = cf::object::deref ($refstring)
		2433
		2434	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2435	even if the object actually exists. May block.
		2436
		2437	=cut
		2438
		2439	sub deref {
		2440	my ($ref) = @_;
		2441
		2442	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2443	my ($uuid, $name) = ($1, $2);
		2444	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2445	or return;
		2446	$pl->ob->uuid eq $uuid
		2447	or return;
		2448
		2449	$pl->ob
		2450	} else {
		2451	warn "$ref: cannot resolve object reference\n";
		2452	undef
		2453	}
		2454	}
		2455
1707	package cf;	2456	package cf;
1708		2457
1709	=back	2458	=back
1710		2459
1711	=head3 cf::object::player	2460	=head3 cf::object::player
…		…
1717	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2466	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1718	can be C<undef>. Does the right thing when the player is currently in a	2467	can be C<undef>. Does the right thing when the player is currently in a
1719	dialogue with the given NPC character.	2468	dialogue with the given NPC character.
1720		2469
1721	=cut	2470	=cut
		2471
		2472	our $SAY_CHANNEL = {
		2473	id => "say",
		2474	title => "Map",
		2475	reply => "say ",
		2476	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2477	};
		2478
		2479	our $CHAT_CHANNEL = {
		2480	id => "chat",
		2481	title => "Chat",
		2482	reply => "chat ",
		2483	tooltip => "Player chat and shouts, global to the server.",
		2484	};
1722		2485
1723	# rough implementation of a future "reply" method that works	2486	# rough implementation of a future "reply" method that works
1724	# with dialog boxes.	2487	# with dialog boxes.
1725	#TODO: the first argument must go, split into a $npc->reply_to ( method	2488	#TODO: the first argument must go, split into a $npc->reply_to ( method
1726	sub cf::object::player::reply($$$;$) {	2489	sub cf::object::player::reply($$$;$) {
…		…
1728		2491
1729	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2492	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1730		2493
1731	if ($self->{record_replies}) {	2494	if ($self->{record_replies}) {
1732	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2495	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2496
1733	} else {	2497	} else {
		2498	my $pl = $self->contr;
		2499
		2500	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2501	my $dialog = $pl->{npc_dialog};
		2502	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2503
		2504	} else {
1734	$msg = $npc->name . " says: $msg" if $npc;	2505	$msg = $npc->name . " says: $msg" if $npc;
1735	$self->message ($msg, $flags);	2506	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2507	}
1736	}	2508	}
		2509	}
		2510
		2511	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2512
		2513	=cut
		2514
		2515	sub cf::object::send_msg {
		2516	my $pl = shift->contr
		2517	or return;
		2518	$pl->send_msg (@_);
1737	}	2519	}
1738		2520
1739	=item $player_object->may ("access")	2521	=item $player_object->may ("access")
1740		2522
1741	Returns wether the given player is authorized to access resource "access"	2523	Returns wether the given player is authorized to access resource "access"
…		…
1788	$self->deactivate_recursive;	2570	$self->deactivate_recursive;
1789		2571
1790	return if UNIVERSAL::isa $self->map, "ext::map_link";	2572	return if UNIVERSAL::isa $self->map, "ext::map_link";
1791		2573
1792	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2574	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1793	if $self->map;	2575	if $self->map && $self->map->{path} ne "{link}";
1794		2576
1795	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2577	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1796	}	2578	}
1797		2579
1798	sub cf::object::player::leave_link {	2580	sub cf::object::player::leave_link {
1799	my ($self, $map, $x, $y) = @_;	2581	my ($self, $map, $x, $y) = @_;
		2582
		2583	return unless $self->contr->active;
1800		2584
1801	my $link_pos = delete $self->{_link_pos};	2585	my $link_pos = delete $self->{_link_pos};
1802		2586
1803	unless ($map) {	2587	unless ($map) {
1804	# restore original map position	2588	# restore original map position
…		…
1818	# use -1 or undef as default coordinates, not 0, 0	2602	# use -1 or undef as default coordinates, not 0, 0
1819	($x, $y) = ($map->enter_x, $map->enter_y)	2603	($x, $y) = ($map->enter_x, $map->enter_y)
1820	if $x <=0 && $y <= 0;	2604	if $x <=0 && $y <= 0;
1821		2605
1822	$map->load;	2606	$map->load;
1823	$map->load_diag;	2607	$map->load_neighbours;
1824		2608
1825	return unless $self->contr->active;	2609	return unless $self->contr->active;
1826	$self->activate_recursive;	2610	$self->activate_recursive;
		2611
		2612	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1827	$self->enter_map ($map, $x, $y);	2613	$self->enter_map ($map, $x, $y);
1828	}	2614	}
1829		2615
1830	cf::player->attach (	2616	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1831	on_logout => sub {
1832	my ($pl) = @_;
1833		2617
1834	# abort map switching before logout	2618	Moves the player to the given map-path and coordinates by first freezing
1835	if ($pl->ob->{_link_pos}) {	2619	her, loading and preparing them map, calling the provided $check callback
1836	cf::sync_job {	2620	that has to return the map if sucecssful, and then unfreezes the player on
1837	$pl->ob->leave_link	2621	the new (success) or old (failed) map position. In either case, $done will
1838	};	2622	be called at the end of this process.
1839	}
1840	},
1841	on_login => sub {
1842	my ($pl) = @_;
1843		2623
1844	# try to abort aborted map switching on player login :)	2624	Note that $check will be called with a potentially non-loaded map, so if
1845	# should happen only on crashes	2625	it needs a loaded map it has to call C<< ->load >>.
1846	if ($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		2626
1862	=item $player_object->goto ($path, $x, $y)
1863
1864	=cut	2627	=cut
		2628
		2629	our $GOTOGEN;
1865		2630
1866	sub cf::object::player::goto {	2631	sub cf::object::player::goto {
1867	my ($self, $path, $x, $y) = @_;	2632	my ($self, $path, $x, $y, $check, $done) = @_;
		2633
		2634	# do generation counting so two concurrent goto's will be executed in-order
		2635	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1868		2636
1869	$self->enter_link;	2637	$self->enter_link;
1870		2638
1871	(async {	2639	(async {
		2640	$Coro::current->{desc} = "player::goto $path $x $y";
		2641
		2642	# *tag paths override both path and x|y
		2643	if ($path =~ /^\*(.*)$/) {
		2644	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2645	my $ob = $obs[rand @obs];
		2646
		2647	# see if we actually can go there
		2648	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2649	$ob = $obs[rand @obs];
		2650	} else {
		2651	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2652	}
		2653	# else put us there anyways for now #d#
		2654
		2655	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2656	} else {
		2657	($path, $x, $y) = (undef, undef, undef);
		2658	}
		2659	}
		2660
1872	my $map = eval {	2661	my $map = eval {
1873	my $map = cf::map::find $path;	2662	my $map = defined $path ? cf::map::find $path : undef;
		2663
		2664	if ($map) {
1874	$map = $map->customise_for ($self) if $map;	2665	$map = $map->customise_for ($self);
		2666	$map = $check->($map) if $check && $map;
		2667	} else {
		2668	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2669	}
		2670
1875	$map	2671	$map
		2672	};
		2673
		2674	if ($@) {
		2675	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2676	LOG llevError | logBacktrace, Carp::longmess $@;
1876	} or	2677	}
1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1878		2678
		2679	if ($gen == $self->{_goto_generation}) {
		2680	delete $self->{_goto_generation};
1879	$self->leave_link ($map, $x, $y);	2681	$self->leave_link ($map, $x, $y);
		2682	}
		2683
		2684	$done->() if $done;
1880	})->prio (1);	2685	})->prio (1);
1881	}	2686	}
1882		2687
1883	=item $player_object->enter_exit ($exit_object)	2688	=item $player_object->enter_exit ($exit_object)
1884		2689
…		…
1904	}	2709	}
1905		2710
1906	sub prepare_random_map {	2711	sub prepare_random_map {
1907	my ($exit) = @_;	2712	my ($exit) = @_;
1908		2713
1909	my $guard = cf::lock_acquire "exit_prepare:$exit";
1910
1911	# all this does is basically replace the /! path by	2714	# all this does is basically replace the /! path by
1912	# a new random map path (?random/...) with a seed	2715	# a new random map path (?random/...) with a seed
1913	# that depends on the exit object	2716	# that depends on the exit object
1914		2717
1915	my $rmp = parse_random_map_params $exit->msg;	2718	my $rmp = parse_random_map_params $exit->msg;
…		…
1917	if ($exit->map) {	2720	if ($exit->map) {
1918	$rmp->{region} = $exit->region->name;	2721	$rmp->{region} = $exit->region->name;
1919	$rmp->{origin_map} = $exit->map->path;	2722	$rmp->{origin_map} = $exit->map->path;
1920	$rmp->{origin_x} = $exit->x;	2723	$rmp->{origin_x} = $exit->x;
1921	$rmp->{origin_y} = $exit->y;	2724	$rmp->{origin_y} = $exit->y;
		2725
		2726	$exit->map->touch;
1922	}	2727	}
1923		2728
1924	$rmp->{random_seed} ||= $exit->random_seed;	2729	$rmp->{random_seed} ||= $exit->random_seed;
1925		2730
1926	my $data = cf::to_json $rmp;	2731	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1927	my $md5 = Digest::MD5::md5_hex $data;	2732	my $md5 = Digest::MD5::md5_hex $data;
1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2733	my $meta = "$RANDOMDIR/$md5.meta";
1929		2734
1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2735	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1931	aio_write $fh, 0, (length $data), $data, 0;	2736	aio_write $fh, 0, (length $data), $data, 0;
1932	undef $fh;	2737	undef $fh;
1933	aio_rename "$meta~", $meta;	2738	aio_rename "$meta~", $meta;
1934		2739
		2740	my $slaying = "?random/$md5";
		2741
		2742	if ($exit->valid) {
1935	$exit->slaying ("?random/$md5");	2743	$exit->slaying ("?random/$md5");
1936	$exit->msg (undef);	2744	$exit->msg (undef);
		2745	}
1937	}	2746	}
1938	}	2747	}
1939		2748
1940	sub cf::object::player::enter_exit {	2749	sub cf::object::player::enter_exit {
1941	my ($self, $exit) = @_;	2750	my ($self, $exit) = @_;
1942		2751
1943	return unless $self->type == cf::PLAYER;	2752	return unless $self->type == cf::PLAYER;
1944		2753
1945	if ($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;	2754	$self->enter_link;
1955		2755
1956	(async {	2756	(async {
1957	$self->deactivate_recursive; # just to be sure	2757	$Coro::current->{desc} = "enter_exit";
		2758
1958	unless (eval {	2759	unless (eval {
		2760	$self->deactivate_recursive; # just to be sure
		2761
		2762	# random map handling
		2763	{
		2764	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2765
		2766	prepare_random_map $exit
		2767	if $exit->slaying eq "/!";
		2768	}
		2769
		2770	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2771	my $x = $exit->stats->hp;
		2772	my $y = $exit->stats->sp;
		2773
1959	$self->goto ($slaying, $hp, $sp);	2774	$self->goto ($map, $x, $y);
1960		2775
		2776	# if exit is damned, update players death & WoR home-position
		2777	$self->contr->savebed ($map, $x, $y)
		2778	if $exit->flag (cf::FLAG_DAMNED);
		2779
1961	1;	2780	1
1962	}) {	2781	}) {
1963	$self->message ("Something went wrong deep within the crossfire server. "	2782	$self->message ("Something went wrong deep within the crossfire server. "
1964	. "I'll try to bring you back to the map you were before. "	2783	. "I'll try to bring you back to the map you were before. "
1965	. "Please report this to the dungeon master!",	2784	. "Please report this to the dungeon master!",
1966	cf::NDI_UNIQUE | cf::NDI_RED);	2785	cf::NDI_UNIQUE | cf::NDI_RED);
1967		2786
1968	warn "ERROR in enter_exit: $@";	2787	warn "ERROR in enter_exit: $@";
1969	$self->leave_link;	2788	$self->leave_link;
1970	}	2789	}
1971	})->prio (1);	2790	})->prio (1);
…		…
1984		2803
1985	sub cf::client::send_drawinfo {	2804	sub cf::client::send_drawinfo {
1986	my ($self, $text, $flags) = @_;	2805	my ($self, $text, $flags) = @_;
1987		2806
1988	utf8::encode $text;	2807	utf8::encode $text;
1989	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2808	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1990	}	2809	}
1991		2810
		2811	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2812
		2813	Send a drawinfo or msg packet to the client, formatting the msg for the
		2814	client if neccessary. C<$type> should be a string identifying the type of
		2815	the message, with C<log> being the default. If C<$color> is negative, suppress
		2816	the message unless the client supports the msg packet.
		2817
		2818	=cut
		2819
		2820	# non-persistent channels (usually the info channel)
		2821	our %CHANNEL = (
		2822	"c/identify" => {
		2823	id => "infobox",
		2824	title => "Identify",
		2825	reply => undef,
		2826	tooltip => "Items recently identified",
		2827	},
		2828	"c/examine" => {
		2829	id => "infobox",
		2830	title => "Examine",
		2831	reply => undef,
		2832	tooltip => "Signs and other items you examined",
		2833	},
		2834	"c/book" => {
		2835	id => "infobox",
		2836	title => "Book",
		2837	reply => undef,
		2838	tooltip => "The contents of a note or book",
		2839	},
		2840	"c/lookat" => {
		2841	id => "infobox",
		2842	title => "Look",
		2843	reply => undef,
		2844	tooltip => "What you saw there",
		2845	},
		2846	"c/who" => {
		2847	id => "infobox",
		2848	title => "Players",
		2849	reply => undef,
		2850	tooltip => "Shows players who are currently online",
		2851	},
		2852	"c/body" => {
		2853	id => "infobox",
		2854	title => "Body Parts",
		2855	reply => undef,
		2856	tooltip => "Shows which body parts you posess and are available",
		2857	},
		2858	"c/uptime" => {
		2859	id => "infobox",
		2860	title => "Uptime",
		2861	reply => undef,
		2862	tooltip => "How long the server has been running since last restart",
		2863	},
		2864	"c/mapinfo" => {
		2865	id => "infobox",
		2866	title => "Map Info",
		2867	reply => undef,
		2868	tooltip => "Information related to the maps",
		2869	},
		2870	"c/party" => {
		2871	id => "party",
		2872	title => "Party",
		2873	reply => "gsay ",
		2874	tooltip => "Messages and chat related to your party",
		2875	},
		2876	);
		2877
		2878	sub cf::client::send_msg {
		2879	my ($self, $channel, $msg, $color, @extra) = @_;
		2880
		2881	$msg = $self->pl->expand_cfpod ($msg);
		2882
		2883	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2884
		2885	# check predefined channels, for the benefit of C
		2886	if ($CHANNEL{$channel}) {
		2887	$channel = $CHANNEL{$channel};
		2888
		2889	$self->ext_msg (channel_info => $channel)
		2890	if $self->can_msg;
		2891
		2892	$channel = $channel->{id};
		2893
		2894	} elsif (ref $channel) {
		2895	# send meta info to client, if not yet sent
		2896	unless (exists $self->{channel}{$channel->{id}}) {
		2897	$self->{channel}{$channel->{id}} = $channel;
		2898	$self->ext_msg (channel_info => $channel)
		2899	if $self->can_msg;
		2900	}
		2901
		2902	$channel = $channel->{id};
		2903	}
		2904
		2905	return unless @extra || length $msg;
		2906
		2907	if ($self->can_msg) {
		2908	# default colour, mask it out
		2909	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2910	if $color & cf::NDI_DEF;
		2911
		2912	my $pkt = "msg "
		2913	. $self->{json_coder}->encode (
		2914	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2915	);
		2916
		2917	# try lzf for large packets
		2918	$pkt = "lzf " . Compress::LZF::compress $pkt
		2919	if 1024 <= length $pkt and $self->{can_lzf};
		2920
		2921	# split very large packets
		2922	if (8192 < length $pkt and $self->{can_lzf}) {
		2923	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2924	$pkt = "frag";
		2925	}
		2926
		2927	$self->send_packet ($pkt);
		2928	} else {
		2929	if ($color >= 0) {
		2930	# replace some tags by gcfclient-compatible ones
		2931	for ($msg) {
		2932	1 while
		2933	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2934	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2935	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2936	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2937	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2938	}
		2939
		2940	$color &= cf::NDI_COLOR_MASK;
		2941
		2942	utf8::encode $msg;
		2943
		2944	if (0 && $msg =~ /\[/) {
		2945	# COMMAND/INFO
		2946	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2947	} else {
		2948	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2949	$self->send_packet ("drawinfo $color $msg")
		2950	}
		2951	}
		2952	}
		2953	}
		2954
		2955	=item $client->ext_msg ($type, @msg)
		2956
		2957	Sends an ext event to the client.
		2958
		2959	=cut
		2960
		2961	sub cf::client::ext_msg($$@) {
		2962	my ($self, $type, @msg) = @_;
		2963
		2964	if ($self->extcmd == 2) {
		2965	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2966	} elsif ($self->extcmd == 1) { # TODO: remove
		2967	push @msg, msgtype => "event_$type";
		2968	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2969	}
		2970	}
		2971
		2972	=item $client->ext_reply ($msgid, @msg)
		2973
		2974	Sends an ext reply to the client.
		2975
		2976	=cut
		2977
		2978	sub cf::client::ext_reply($$@) {
		2979	my ($self, $id, @msg) = @_;
		2980
		2981	if ($self->extcmd == 2) {
		2982	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2983	} elsif ($self->extcmd == 1) {
		2984	#TODO: version 1, remove
		2985	unshift @msg, msgtype => "reply", msgid => $id;
		2986	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2987	}
		2988	}
1992		2989
1993	=item $success = $client->query ($flags, "text", \&cb)	2990	=item $success = $client->query ($flags, "text", \&cb)
1994		2991
1995	Queues a query to the client, calling the given callback with	2992	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>,	2993	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>.	2994	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1998		2995
1999	Queries can fail, so check the return code. Or don't, as queries will become	2996	Queries can fail, so check the return code. Or don't, as queries will
2000	reliable at some point in the future.	2997	become reliable at some point in the future.
2001		2998
2002	=cut	2999	=cut
2003		3000
2004	sub cf::client::query {	3001	sub cf::client::query {
2005	my ($self, $flags, $text, $cb) = @_;	3002	my ($self, $flags, $text, $cb) = @_;
…		…
2013	utf8::encode $text;	3010	utf8::encode $text;
2014	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3011	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2015		3012
2016	$self->send_packet ($self->{query_queue}[0][0])	3013	$self->send_packet ($self->{query_queue}[0][0])
2017	if @{ $self->{query_queue} } == 1;	3014	if @{ $self->{query_queue} } == 1;
		3015
		3016	1
2018	}	3017	}
2019		3018
2020	cf::client->attach (	3019	cf::client->attach (
		3020	on_connect => sub {
		3021	my ($ns) = @_;
		3022
		3023	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3024	},
2021	on_reply => sub {	3025	on_reply => sub {
2022	my ($ns, $msg) = @_;	3026	my ($ns, $msg) = @_;
2023		3027
2024	# this weird shuffling is so that direct followup queries	3028	# this weird shuffling is so that direct followup queries
2025	# get handled first	3029	# get handled first
…		…
2037	} else {	3041	} else {
2038	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3042	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2039	}	3043	}
2040	}	3044	}
2041	},	3045	},
		3046	on_exticmd => sub {
		3047	my ($ns, $buf) = @_;
		3048
		3049	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3050
		3051	if (ref $msg) {
		3052	my ($type, $reply, @payload) =
		3053	"ARRAY" eq ref $msg
		3054	? @$msg
		3055	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3056
		3057	my @reply;
		3058
		3059	if (my $cb = $EXTICMD{$type}) {
		3060	@reply = $cb->($ns, @payload);
		3061	}
		3062
		3063	$ns->ext_reply ($reply, @reply)
		3064	if $reply;
		3065
		3066	} else {
		3067	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3068	}
		3069
		3070	cf::override;
		3071	},
2042	);	3072	);
2043		3073
2044	=item $client->async (\&cb)	3074	=item $client->async (\&cb)
2045		3075
2046	Create a new coroutine, running the specified callback. The coroutine will	3076	Create a new coroutine, running the specified callback. The coroutine will
…		…
2087	our $safe = new Safe "safe";	3117	our $safe = new Safe "safe";
2088	our $safe_hole = new Safe::Hole;	3118	our $safe_hole = new Safe::Hole;
2089		3119
2090	$SIG{FPE} = 'IGNORE';	3120	$SIG{FPE} = 'IGNORE';
2091		3121
2092	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3122	$safe->permit_only (Opcode::opset qw(
		3123	:base_core :base_mem :base_orig :base_math
		3124	grepstart grepwhile mapstart mapwhile
		3125	sort time
		3126	));
2093		3127
2094	# here we export the classes and methods available to script code	3128	# here we export the classes and methods available to script code
2095		3129
2096	=pod	3130	=pod
2097		3131
2098	The following fucntions and emthods are available within a safe environment:	3132	The following functions and methods are available within a safe environment:
2099		3133
2100	cf::object contr pay_amount pay_player map	3134	cf::object
		3135	contr pay_amount pay_player map x y force_find force_add destroy
		3136	insert remove name archname title slaying race decrease split
		3137
2101	cf::object::player player	3138	cf::object::player
2102	cf::player peaceful	3139	player
2103	cf::map trigger	3140
		3141	cf::player
		3142	peaceful
		3143
		3144	cf::map
		3145	trigger
2104		3146
2105	=cut	3147	=cut
2106		3148
2107	for (	3149	for (
2108	["cf::object" => qw(contr pay_amount pay_player map)],	3150	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3151	insert remove inv nrof name archname title slaying race
		3152	decrease split destroy change_exp)],
2109	["cf::object::player" => qw(player)],	3153	["cf::object::player" => qw(player)],
2110	["cf::player" => qw(peaceful)],	3154	["cf::player" => qw(peaceful)],
2111	["cf::map" => qw(trigger)],	3155	["cf::map" => qw(trigger)],
2112	) {	3156	) {
2113	no strict 'refs';	3157	no strict 'refs';
…		…
2184	=back	3228	=back
2185		3229
2186	=cut	3230	=cut
2187		3231
2188	#############################################################################	3232	#############################################################################
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 $_[2], 0, sub { };
2258	}
2259
2260	#############################################################################
2261	# the server's init and main functions	3233	# the server's init and main functions
2262		3234
		3235	sub load_facedata($) {
		3236	my ($path) = @_;
		3237
		3238	# HACK to clear player env face cache, we need some signal framework
		3239	# for this (global event?)
		3240	%ext::player_env::MUSIC_FACE_CACHE = ();
		3241
		3242	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3243
		3244	warn "loading facedata from $path\n";
		3245
		3246	my $facedata;
		3247	0 < aio_load $path, $facedata
		3248	or die "$path: $!";
		3249
		3250	$facedata = Coro::Storable::thaw $facedata;
		3251
		3252	$facedata->{version} == 2
		3253	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3254
		3255	# patch in the exptable
		3256	$facedata->{resource}{"res/exp_table"} = {
		3257	type => FT_RSRC,
		3258	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3259	};
		3260	cf::cede_to_tick;
		3261
		3262	{
		3263	my $faces = $facedata->{faceinfo};
		3264
		3265	while (my ($face, $info) = each %$faces) {
		3266	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3267
		3268	cf::face::set_visibility $idx, $info->{visibility};
		3269	cf::face::set_magicmap $idx, $info->{magicmap};
		3270	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3271	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3272
		3273	cf::cede_to_tick;
		3274	}
		3275
		3276	while (my ($face, $info) = each %$faces) {
		3277	next unless $info->{smooth};
		3278
		3279	my $idx = cf::face::find $face
		3280	or next;
		3281
		3282	if (my $smooth = cf::face::find $info->{smooth}) {
		3283	cf::face::set_smooth $idx, $smooth;
		3284	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3285	} else {
		3286	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3287	}
		3288
		3289	cf::cede_to_tick;
		3290	}
		3291	}
		3292
		3293	{
		3294	my $anims = $facedata->{animinfo};
		3295
		3296	while (my ($anim, $info) = each %$anims) {
		3297	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3298	cf::cede_to_tick;
		3299	}
		3300
		3301	cf::anim::invalidate_all; # d'oh
		3302	}
		3303
		3304	{
		3305	# TODO: for gcfclient pleasure, we should give resources
		3306	# that gcfclient doesn't grok a >10000 face index.
		3307	my $res = $facedata->{resource};
		3308
		3309	while (my ($name, $info) = each %$res) {
		3310	if (defined $info->{type}) {
		3311	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3312	my $data;
		3313
		3314	if ($info->{type} & 1) {
		3315	# prepend meta info
		3316
		3317	my $meta = $enc->encode ({
		3318	name => $name,
		3319	%{ $info->{meta} || {} },
		3320	});
		3321
		3322	$data = pack "(w/a*)*", $meta, $info->{data};
		3323	} else {
		3324	$data = $info->{data};
		3325	}
		3326
		3327	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3328	cf::face::set_type $idx, $info->{type};
		3329	} else {
		3330	$RESOURCE{$name} = $info;
		3331	}
		3332
		3333	cf::cede_to_tick;
		3334	}
		3335	}
		3336
		3337	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3338
		3339	1
		3340	}
		3341
		3342	cf::global->attach (on_resource_update => sub {
		3343	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3344	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3345
		3346	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3347	my $sound = $soundconf->{compat}[$_]
		3348	or next;
		3349
		3350	my $face = cf::face::find "sound/$sound->[1]";
		3351	cf::sound::set $sound->[0] => $face;
		3352	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3353	}
		3354
		3355	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3356	my $face = cf::face::find "sound/$v";
		3357	cf::sound::set $k => $face;
		3358	}
		3359	}
		3360	});
		3361
		3362	register_exticmd fx_want => sub {
		3363	my ($ns, $want) = @_;
		3364
		3365	while (my ($k, $v) = each %$want) {
		3366	$ns->fx_want ($k, $v);
		3367	}
		3368	};
		3369
2263	sub load_resources {	3370	sub load_resource_file($) {
2264	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3371	my $guard = lock_acquire "load_resource_file";
		3372
		3373	my $status = load_resource_file_ $_[0];
		3374	get_slot 0.1, 100;
		3375	cf::arch::commit_load;
		3376
		3377	$status
		3378	}
		3379
		3380	sub reload_regions {
		3381	# HACK to clear player env face cache, we need some signal framework
		3382	# for this (global event?)
		3383	%ext::player_env::MUSIC_FACE_CACHE = ();
		3384
		3385	load_resource_file "$MAPDIR/regions"
2265	or die "unable to load regions file\n";#d#	3386	or die "unable to load regions file\n";
2266	}
2267		3387
2268	sub cfg_load {	3388	for (cf::region::list) {
		3389	$_->{match} = qr/$_->{match}/
		3390	if exists $_->{match};
		3391	}
		3392	}
		3393
		3394	sub reload_facedata {
		3395	load_facedata "$DATADIR/facedata"
		3396	or die "unable to load facedata\n";
		3397	}
		3398
		3399	sub reload_archetypes {
		3400	load_resource_file "$DATADIR/archetypes"
		3401	or die "unable to load archetypes\n";
		3402	}
		3403
		3404	sub reload_treasures {
		3405	load_resource_file "$DATADIR/treasures"
		3406	or die "unable to load treasurelists\n";
		3407	}
		3408
		3409	sub reload_resources {
		3410	warn "reloading resource files...\n";
		3411
		3412	reload_facedata;
		3413	reload_archetypes;
		3414	reload_regions;
		3415	reload_treasures;
		3416
		3417	warn "finished reloading resource files\n";
		3418	}
		3419
		3420	sub init {
		3421	my $guard = freeze_mainloop;
		3422
		3423	evthread_start IO::AIO::poll_fileno;
		3424
		3425	reload_resources;
		3426	}
		3427
		3428	sub reload_config {
2269	open my $fh, "<:utf8", cf::confdir . "/config"	3429	open my $fh, "<:utf8", "$CONFDIR/config"
2270	or return;	3430	or return;
2271		3431
2272	local $/;	3432	local $/;
2273	*CFG = YAML::Syck::Load <$fh>;	3433	*CFG = YAML::Load <$fh>;
2274		3434
2275	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3435	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2276		3436
2277	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3437	$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};	3438	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2284	};	3444	};
2285	warn $@ if $@;	3445	warn $@ if $@;
2286	}	3446	}
2287	}	3447	}
2288		3448
2289	sub init {
2290	load_resources;
2291	}
2292
2293	sub main {	3449	sub main {
2294	# we must not ever block the main coroutine	3450	# we must not ever block the main coroutine
2295	local $Coro::idle = sub {	3451	local $Coro::idle = sub {
2296	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3452	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2297	(async {	3453	(async {
2298	Event::one_event;	3454	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3455	EV::loop EV::LOOP_ONESHOT;
2299	})->prio (Coro::PRIO_MAX);	3456	})->prio (Coro::PRIO_MAX);
2300	};	3457	};
2301		3458
2302	cfg_load;	3459	{
		3460	my $guard = freeze_mainloop;
		3461	reload_config;
2303	db_init;	3462	db_init;
2304	load_extensions;	3463	load_extensions;
2305		3464
2306	$TICK_WATCHER->start;	3465	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3466	}
		3467
2307	Event::loop;	3468	EV::loop;
2308	}	3469	}
2309		3470
2310	#############################################################################	3471	#############################################################################
2311	# initialisation and cleanup	3472	# initialisation and cleanup
2312		3473
2313	# install some emergency cleanup handlers	3474	# install some emergency cleanup handlers
2314	BEGIN {	3475	BEGIN {
		3476	our %SIGWATCHER = ();
2315	for my $signal (qw(INT HUP TERM)) {	3477	for my $signal (qw(INT HUP TERM)) {
2316	Event->signal (	3478	$SIGWATCHER{$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";	3479	cf::cleanup "SIG$signal";
2323	},
2324	);	3480	};
		3481	}
		3482	}
		3483
		3484	sub write_runtime_sync {
		3485	my $runtime = "$LOCALDIR/runtime";
		3486
		3487	# first touch the runtime file to show we are still running:
		3488	# the fsync below can take a very very long time.
		3489
		3490	IO::AIO::aio_utime $runtime, undef, undef;
		3491
		3492	my $guard = cf::lock_acquire "write_runtime";
		3493
		3494	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3495	or return;
		3496
		3497	my $value = $cf::RUNTIME + 90 + 10;
		3498	# 10 is the runtime save interval, for a monotonic clock
		3499	# 60 allows for the watchdog to kill the server.
		3500
		3501	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3502	and return;
		3503
		3504	# always fsync - this file is important
		3505	aio_fsync $fh
		3506	and return;
		3507
		3508	# touch it again to show we are up-to-date
		3509	aio_utime $fh, undef, undef;
		3510
		3511	close $fh
		3512	or return;
		3513
		3514	aio_rename "$runtime~", $runtime
		3515	and return;
		3516
		3517	warn "runtime file written.\n";
		3518
2325	}	3519	1
		3520	}
		3521
		3522	our $uuid_lock;
		3523	our $uuid_skip;
		3524
		3525	sub write_uuid_sync($) {
		3526	$uuid_skip ||= $_[0];
		3527
		3528	return if $uuid_lock;
		3529	local $uuid_lock = 1;
		3530
		3531	my $uuid = "$LOCALDIR/uuid";
		3532
		3533	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3534	or return;
		3535
		3536	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3537	$uuid_skip = 0;
		3538
		3539	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3540	and return;
		3541
		3542	# always fsync - this file is important
		3543	aio_fsync $fh
		3544	and return;
		3545
		3546	close $fh
		3547	or return;
		3548
		3549	aio_rename "$uuid~", $uuid
		3550	and return;
		3551
		3552	warn "uuid file written ($value).\n";
		3553
		3554	1
		3555
		3556	}
		3557
		3558	sub write_uuid($$) {
		3559	my ($skip, $sync) = @_;
		3560
		3561	$sync ? write_uuid_sync $skip
		3562	: async { write_uuid_sync $skip };
2326	}	3563	}
2327		3564
2328	sub emergency_save() {	3565	sub emergency_save() {
2329	my $freeze_guard = cf::freeze_mainloop;	3566	my $freeze_guard = cf::freeze_mainloop;
2330		3567
…		…
2336	# and maps saved/destroyed asynchronously.	3573	# and maps saved/destroyed asynchronously.
2337	warn "begin emergency player save\n";	3574	warn "begin emergency player save\n";
2338	for my $login (keys %cf::PLAYER) {	3575	for my $login (keys %cf::PLAYER) {
2339	my $pl = $cf::PLAYER{$login} or next;	3576	my $pl = $cf::PLAYER{$login} or next;
2340	$pl->valid or next;	3577	$pl->valid or next;
		3578	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2341	$pl->save;	3579	$pl->save;
2342	}	3580	}
2343	warn "end emergency player save\n";	3581	warn "end emergency player save\n";
2344		3582
2345	warn "begin emergency map save\n";	3583	warn "begin emergency map save\n";
…		…
2351	warn "end emergency map save\n";	3589	warn "end emergency map save\n";
2352		3590
2353	warn "begin emergency database checkpoint\n";	3591	warn "begin emergency database checkpoint\n";
2354	BDB::db_env_txn_checkpoint $DB_ENV;	3592	BDB::db_env_txn_checkpoint $DB_ENV;
2355	warn "end emergency database checkpoint\n";	3593	warn "end emergency database checkpoint\n";
		3594
		3595	warn "begin write uuid\n";
		3596	write_uuid_sync 1;
		3597	warn "end write uuid\n";
2356	};	3598	};
2357		3599
2358	warn "leave emergency perl save\n";	3600	warn "leave emergency perl save\n";
2359	}	3601	}
2360		3602
…		…
2363		3605
2364	warn Carp::longmess "post_cleanup backtrace"	3606	warn Carp::longmess "post_cleanup backtrace"
2365	if $make_core;	3607	if $make_core;
2366	}	3608	}
2367		3609
		3610	# a safer delete_package, copied from Symbol
		3611	sub clear_package($) {
		3612	my $pkg = shift;
		3613
		3614	# expand to full symbol table name if needed
		3615	unless ($pkg =~ /^main::.*::$/) {
		3616	$pkg = "main$pkg" if $pkg =~ /^::/;
		3617	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3618	$pkg .= '::' unless $pkg =~ /::$/;
		3619	}
		3620
		3621	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3622	my $stem_symtab = *{$stem}{HASH};
		3623
		3624	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3625	or return;
		3626
		3627	# clear all symbols
		3628	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3629	for my $name (keys %$leaf_symtab) {
		3630	_gv_clear *{"$pkg$name"};
		3631	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3632	}
		3633	warn "cleared package #$pkg\n";#d#
		3634	}
		3635
		3636	our $RELOAD; # how many times to reload
		3637
2368	sub reload() {	3638	sub do_reload_perl() {
2369	# can/must only be called in main	3639	# can/must only be called in main
2370	if ($Coro::current != $Coro::main) {	3640	if ($Coro::current != $Coro::main) {
2371	warn "can only reload from main coroutine";	3641	warn "can only reload from main coroutine";
2372	return;	3642	return;
2373	}	3643	}
2374		3644
		3645	return if $RELOAD++;
		3646
		3647	while ($RELOAD) {
2375	warn "reloading...";	3648	warn "reloading...";
2376		3649
2377	warn "cancelling server ticker";	3650	warn "entering sync_job";
2378	$TICK_WATCHER->cancel;
2379		3651
		3652	cf::sync_job {
		3653	cf::write_runtime_sync; # external watchdog should not bark
2380	cf::emergency_save;	3654	cf::emergency_save;
		3655	cf::write_runtime_sync; # external watchdog should not bark
2381		3656
2382	eval {	3657	warn "syncing database to disk";
		3658	BDB::db_env_txn_checkpoint $DB_ENV;
		3659
2383	# if anything goes wrong in here, we should simply crash as we already saved	3660	# if anything goes wrong in here, we should simply crash as we already saved
2384		3661
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";	3662	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;	3663	while (IO::AIO::nreqs || BDB::nreqs) {
2399	warn "iterate...";	3664	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	}	3665	}
2422		3666
2423	warn "... nuking $pkg";	3667	warn "cancelling all extension coros";
2424	Symbol::delete_package $pkg;	3668	$_->cancel for values %EXT_CORO;
2425	}	3669	%EXT_CORO = ();
2426		3670
2427	warn "unloading all perl modules loaded from $LIBDIR";	3671	warn "removing commands";
2428	while (my ($k, $v) = each %INC) {	3672	%COMMAND = ();
2429	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2430		3673
		3674	warn "removing ext/exti commands";
		3675	%EXTCMD = ();
		3676	%EXTICMD = ();
		3677
		3678	warn "unloading/nuking all extensions";
		3679	for my $pkg (@EXTS) {
2431	warn "... unloading $k";	3680	warn "... unloading $pkg";
2432	delete $INC{$k};
2433		3681
2434	$k =~ s/\.pm$//;
2435	$k =~ s/\//::/g;
2436
2437	if (my $cb = $k->can ("unload_module")) {	3682	if (my $cb = $pkg->can ("unload")) {
		3683	eval {
2438	$cb->();	3684	$cb->($pkg);
		3685	1
		3686	} or warn "$pkg unloaded, but with errors: $@";
		3687	}
		3688
		3689	warn "... clearing $pkg";
		3690	clear_package $pkg;
2439	}	3691	}
2440		3692
2441	Symbol::delete_package $k;	3693	warn "unloading all perl modules loaded from $LIBDIR";
		3694	while (my ($k, $v) = each %INC) {
		3695	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3696
		3697	warn "... unloading $k";
		3698	delete $INC{$k};
		3699
		3700	$k =~ s/\.pm$//;
		3701	$k =~ s/\//::/g;
		3702
		3703	if (my $cb = $k->can ("unload_module")) {
		3704	$cb->();
		3705	}
		3706
		3707	clear_package $k;
2442	}	3708	}
2443		3709
2444	warn "getting rid of safe::, as good as possible";	3710	warn "getting rid of safe::, as good as possible";
2445	Symbol::delete_package "safe::$_"	3711	clear_package "safe::$_"
2446	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3712	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2447		3713
2448	warn "unloading cf.pm \"a bit\"";	3714	warn "unloading cf.pm \"a bit\"";
2449	delete $INC{"cf.pm"};	3715	delete $INC{"cf.pm"};
		3716	delete $INC{"cf/pod.pm"};
2450		3717
2451	# don't, removes xs symbols, too,	3718	# don't, removes xs symbols, too,
2452	# and global variables created in xs	3719	# and global variables created in xs
2453	#Symbol::delete_package __PACKAGE__;	3720	#clear_package __PACKAGE__;
2454		3721
2455	warn "unload completed, starting to reload now";	3722	warn "unload completed, starting to reload now";
2456		3723
2457	warn "reloading cf.pm";	3724	warn "reloading cf.pm";
2458	require cf;	3725	require cf;
2459	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3726	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2460		3727
2461	warn "loading config and database again";	3728	warn "loading config and database again";
2462	cf::cfg_load;	3729	cf::reload_config;
2463		3730
2464	warn "loading extensions";	3731	warn "loading extensions";
2465	cf::load_extensions;	3732	cf::load_extensions;
2466		3733
2467	warn "reattaching attachments to objects/players";	3734	warn "reattaching attachments to objects/players";
2468	_global_reattach;	3735	_global_reattach; # objects, sockets
2469	warn "reattaching attachments to maps";	3736	warn "reattaching attachments to maps";
2470	reattach $_ for values %MAP;	3737	reattach $_ for values %MAP;
		3738	warn "reattaching attachments to players";
		3739	reattach $_ for values %PLAYER;
2471		3740
2472	warn "loading reloadable resources";	3741	warn "leaving sync_job";
2473	load_resources;
2474		3742
2475	warn "restarting server ticker";	3743	1
		3744	} or do {
		3745	warn $@;
		3746	cf::cleanup "error while reloading, exiting.";
		3747	};
2476		3748
2477	$TICK_WATCHER->start;	3749	warn "reloaded";
		3750	--$RELOAD;
		3751	}
		3752	};
		3753
		3754	our $RELOAD_WATCHER; # used only during reload
		3755
		3756	sub reload_perl() {
		3757	# doing reload synchronously and two reloads happen back-to-back,
		3758	# coro crashes during coro_state_free->destroy here.
		3759
		3760	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3761	do_reload_perl;
		3762	undef $RELOAD_WATCHER;
2478	};	3763	};
2479		3764	}
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		3765
2491	register_command "reload" => sub {	3766	register_command "reload" => sub {
2492	my ($who, $arg) = @_;	3767	my ($who, $arg) = @_;
2493		3768
2494	if ($who->flag (FLAG_WIZ)) {	3769	if ($who->flag (FLAG_WIZ)) {
2495	$who->message ("reloading server.");	3770	$who->message ("reloading server.");
2496		3771	async {
2497	# doing reload synchronously and two reloads happen back-to-back,	3772	$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;	3773	reload_perl;
2506	undef $RELOAD_WATCHER;
2507	},
2508	);	3774	};
2509	}	3775	}
2510	};	3776	};
2511		3777
2512	unshift @INC, $LIBDIR;	3778	unshift @INC, $LIBDIR;
2513		3779
2514	my $bug_warning = 0;	3780	my $bug_warning = 0;
2515		3781
2516	$TICK_WATCHER = Event->timer (	3782	our @WAIT_FOR_TICK;
2517	reentrant => 0,	3783	our @WAIT_FOR_TICK_BEGIN;
2518	parked => 1,	3784
2519	prio => 0,	3785	sub wait_for_tick {
2520	at => $NEXT_TICK || $TICK,	3786	return if tick_inhibit || $Coro::current == $Coro::main;
2521	data => WF_AUTOCANCEL,	3787
2522	cb => sub {	3788	my $signal = new Coro::Signal;
		3789	push @WAIT_FOR_TICK, $signal;
		3790	$signal->wait;
		3791	}
		3792
		3793	sub wait_for_tick_begin {
		3794	return if tick_inhibit || $Coro::current == $Coro::main;
		3795
		3796	my $signal = new Coro::Signal;
		3797	push @WAIT_FOR_TICK_BEGIN, $signal;
		3798	$signal->wait;
		3799	}
		3800
		3801	sub tick {
2523	if ($Coro::current != $Coro::main) {	3802	if ($Coro::current != $Coro::main) {
2524	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3803	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2525	unless ++$bug_warning > 10;	3804	unless ++$bug_warning > 10;
2526	return;	3805	return;
2527	}	3806	}
2528		3807
2529	$NOW = Event::time;
2530
2531	cf::server_tick; # one server iteration	3808	cf::server_tick; # one server iteration
2532	$RUNTIME += $TICK;
2533	$NEXT_TICK += $TICK;
2534		3809
2535	$WAIT_FOR_TICK->broadcast;	3810	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2536	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3811	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		3812	Coro::async_pool {
		3813	$Coro::current->{desc} = "runtime saver";
		3814	write_runtime_sync
		3815	or warn "ERROR: unable to write runtime file: $!";
		3816	};
		3817	}
2537		3818
2538	Event::sweep;	3819	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2539	Coro::cede_notself;	3820	$sig->send;
		3821	}
		3822	while (my $sig = shift @WAIT_FOR_TICK) {
		3823	$sig->send;
		3824	}
		3825
		3826	$LOAD = ($NOW - $TICK_START) / $TICK;
		3827	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3828
		3829	if (0) {
		3830	if ($NEXT_TICK) {
		3831	my $jitter = $TICK_START - $NEXT_TICK;
		3832	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3833	warn "jitter $JITTER\n";#d#
2540		3834	}
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	},	3835	}
2550	);	3836	}
2551		3837
2552	{	3838	{
2553	BDB::max_poll_time $TICK * 0.1;	3839	# configure BDB
2554	$BDB_POLL_WATCHER = Event->io (	3840
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;	3841	BDB::min_parallel 8;
2563		3842	BDB::max_poll_reqs $TICK * 0.1;
2564	BDB::set_sync_prepare {	3843	$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		3844
2579	unless ($DB_ENV) {	3845	unless ($DB_ENV) {
2580	$DB_ENV = BDB::db_env_create;	3846	$DB_ENV = BDB::db_env_create;
		3847	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3848	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3849	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3850	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3851	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2581		3852
2582	cf::sync_job {	3853	cf::sync_job {
2583	eval {	3854	eval {
2584	BDB::db_env_open	3855	BDB::db_env_open
2585	$DB_ENV,	3856	$DB_ENV,
2586	$BDB_ENV_DIR,	3857	$BDBDIR,
2587	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3858	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2588	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3859	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2589	0666;	3860	0666;
2590		3861
2591	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3862	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	};	3863	};
2596		3864
2597	cf::cleanup "db_env_open(db): $@" if $@;	3865	cf::cleanup "db_env_open(db): $@" if $@;
2598	};	3866	};
2599	}	3867	}
		3868
		3869	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3870	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3871	};
		3872	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3873	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3874	};
		3875	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3876	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3877	};
2600	}	3878	}
2601		3879
2602	{	3880	{
		3881	# configure IO::AIO
		3882
2603	IO::AIO::min_parallel 8;	3883	IO::AIO::min_parallel 8;
2604
2605	undef $Coro::AIO::WATCHER;
2606	IO::AIO::max_poll_time $TICK * 0.1;	3884	IO::AIO::max_poll_time $TICK * 0.1;
2607	$AIO_POLL_WATCHER = Event->io (	3885	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	}	3886	}
2616		3887
2617	$WRITE_RUNTIME_WATCHER = Event->timer (	3888	my $_log_backtrace;
2618	reentrant => 0,	3889
2619	data => WF_AUTOCANCEL,	3890	sub _log_backtrace {
2620	after => 1,	3891	my ($msg, @addr) = @_;
2621	interval => 10,	3892
2622	prio => 6, # keep it lowest so it acts like a watchdog	3893	$msg =~ s/\n//;
2623	cb => Coro::unblock_sub {	3894
2624	write_runtime	3895	# limit the # of concurrent backtraces
2625	or warn "ERROR: unable to write runtime file: $!";	3896	if ($_log_backtrace < 2) {
		3897	++$_log_backtrace;
		3898	async {
		3899	$Coro::current->{desc} = "abt $msg";
		3900
		3901	my @bt = fork_call {
		3902	@addr = map { sprintf "%x", $_ } @addr;
		3903	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3904	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3905	or die "addr2line: $!";
		3906
		3907	my @funcs;
		3908	my @res = <$fh>;
		3909	chomp for @res;
		3910	while (@res) {
		3911	my ($func, $line) = splice @res, 0, 2, ();
		3912	push @funcs, "[$func] $line";
		3913	}
		3914
		3915	@funcs
		3916	};
		3917
		3918	LOG llevInfo, "[ABT] $msg\n";
		3919	LOG llevInfo, "[ABT] $_\n" for @bt;
		3920	--$_log_backtrace;
		3921	};
		3922	} else {
		3923	LOG llevInfo, "[ABT] $msg\n";
		3924	LOG llevInfo, "[ABT] [suppressed]\n";
2626	},	3925	}
2627	);	3926	}
		3927
		3928	# load additional modules
		3929	use cf::pod;
2628		3930
2629	END { cf::emergency_save }	3931	END { cf::emergency_save }
2630		3932
2631	1	3933	1
2632		3934

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