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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.237 by root, Fri Apr 13 05:08:51 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;
9	use Event;	31	use EV;
10	use Opcode;	32	use Opcode;
11	use Safe;	33	use Safe;
12	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
13		36
14	use Coro 3.52 ();	37	use Coro ();
15	use Coro::State;	38	use Coro::State;
		39	use Coro::Handle;
		40	use Coro::EV;
16	use Coro::Event;	41	use Coro::AnyEvent;
17	use Coro::Timer;	42	use Coro::Timer;
18	use Coro::Signal;	43	use Coro::Signal;
19	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
20	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
21	use Coro::Storable;	48	use Coro::Storable;
		49	use Coro::Util ();
22		50
		51	use JSON::XS 2.01 ();
23	use BDB ();	52	use BDB ();
24	use Data::Dumper;	53	use Data::Dumper;
25	use Digest::MD5;	54	use Digest::MD5;
26	use Fcntl;	55	use Fcntl;
27	use YAML::Syck ();	56	use YAML ();
28	use IO::AIO 2.32 ();	57	use IO::AIO ();
29	use Time::HiRes;	58	use Time::HiRes;
30	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
31		63
32	# configure various modules to our taste	64	# configure various modules to our taste
33	#	65	#
34	$Storable::canonical = 1; # reduce rsync transfers	66	$Storable::canonical = 1; # reduce rsync transfers
35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
36	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	68	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
37		69
38	$Event::Eval = 1; # no idea why this is required, but it is
39
40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
41	$YAML::Syck::ImplicitUnicode = 1;
42
43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
44		71
45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	72	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
46		73
47	our %COMMAND = ();	74	our %COMMAND = ();
48	our %COMMAND_TIME = ();	75	our %COMMAND_TIME = ();
49		76
50	our @EXTS = (); # list of extension package names	77	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	78	our %EXTCMD = ();
		79	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	80	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	81	our %EXT_MAP = (); # pluggable maps
54		82
55	our $RELOAD; # number of reloads so far	83	our $RELOAD; # number of reloads so far
56	our @EVENT;	84	our @EVENT;
57	our $LIBDIR = datadir . "/ext";
58		85
59	our $TICK = MAX_TIME * 1e-6;	86	our $CONFDIR = confdir;
60	our $TICK_WATCHER;	87	our $DATADIR = datadir;
61	our $AIO_POLL_WATCHER;	88	our $LIBDIR = "$DATADIR/ext";
		89	our $PODDIR = "$DATADIR/pod";
		90	our $MAPDIR = "$DATADIR/" . mapdir;
		91	our $LOCALDIR = localdir;
		92	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		93	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		94	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		95	our $RANDOMDIR = "$LOCALDIR/random";
		96	our $BDBDIR = "$LOCALDIR/db";
		97	our %RESOURCE;
		98
		99	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	100	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	101	our $NEXT_TICK;
64	our $NOW;
65	our $USE_FSYNC = 1; # use fsync to write maps - default off	102	our $USE_FSYNC = 1; # use fsync to write maps - default off
66		103
		104	our $BDB_DEADLOCK_WATCHER;
		105	our $BDB_CHECKPOINT_WATCHER;
67	our $BDB_POLL_WATCHER;	106	our $BDB_TRICKLE_WATCHER;
68	our $DB_ENV;	107	our $DB_ENV;
69		108
70	our %CFG;	109	our %CFG;
71		110
72	our $UPTIME; $UPTIME ||= time;	111	our $UPTIME; $UPTIME ||= time;
73	our $RUNTIME;	112	our $RUNTIME;
		113	our $NOW;
74		114
75	our %PLAYER; # all users	115	our (%PLAYER, %PLAYER_LOADING); # all users
76	our %MAP; # all maps	116	our (%MAP, %MAP_LOADING ); # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	117	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80
81	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
82	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
83		118
84	# 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 ∕
85	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	120	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
86		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 $TICK_START; # for load detecting purposes
		126
87	binmode STDOUT;	127	binmode STDOUT;
88	binmode STDERR;	128	binmode STDERR;
89		129
90	# read virtual server time, if available	130	# read virtual server time, if available
91	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	131	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
92	open my $fh, "<", cf::localdir . "/runtime"	132	open my $fh, "<", "$LOCALDIR/runtime"
93	or die "unable to read runtime file: $!";	133	or die "unable to read runtime file: $!";
94	$RUNTIME = <$fh> + 0.;	134	$RUNTIME = <$fh> + 0.;
95	}	135	}
96		136
97	mkdir cf::localdir;	137	mkdir $_
98	mkdir cf::localdir . "/" . cf::playerdir;	138	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
99	mkdir cf::localdir . "/" . cf::tmpdir;
100	mkdir cf::localdir . "/" . cf::uniquedir;
101	mkdir $RANDOM_MAPS;
102	mkdir $BDB_ENV_DIR;
103		139
104	our $EMERGENCY_POSITION;	140	our $EMERGENCY_POSITION;
105		141
106	sub cf::map::normalise;	142	sub cf::map::normalise;
107		143
…		…
118	=item $cf::RUNTIME	154	=item $cf::RUNTIME
119		155
120	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
121	every server tick.	157	every server tick.
122		158
123	=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
124		162
125	The perl library directory, where extensions and cf-specific modules can	163	Various directories - "/etc", read-only install directory, perl-library
126	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.
127		167
128	=item $cf::NOW	168	=item $cf::NOW
129		169
130	The time of the last (current) server tick.	170	The time of the last (current) server tick.
131		171
132	=item $cf::TICK	172	=item $cf::TICK
133		173
134	The interval between server ticks, in seconds.	174	The interval between server ticks, in seconds.
135		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
136	=item %cf::CFG	186	=item %cf::CFG
137		187
138	Configuration for the server, loaded from C</etc/crossfire/config>, or	188	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
139	from wherever your confdir points to.	189	from wherever your confdir points to.
140		190
141	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	191	=item cf::wait_for_tick, cf::wait_for_tick_begin
142		192
143	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
144	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
145	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.
146	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.
147		202
148	=back	203	=back
149		204
150	=cut	205	=cut
151		206
152	BEGIN {	207	BEGIN {
153	*CORE::GLOBAL::warn = sub {	208	*CORE::GLOBAL::warn = sub {
154	my $msg = join "", @_;	209	my $msg = join "", @_;
155	utf8::encode $msg;
156		210
157	$msg .= "\n"	211	$msg .= "\n"
158	unless $msg =~ /\n$/;	212	unless $msg =~ /\n$/;
159		213
		214	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		215
160	LOG llevError, $msg;	216	LOG llevError, $msg;
161	};	217	};
162	}	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#?
163		234
164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	235	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	236	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	237	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	238	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168	@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';
169	@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)
170		242
171	# 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
172	# within the Safe compartment.	244	# within the Safe compartment.
173	for my $pkg (qw(	245	for my $pkg (qw(
174	cf::global cf::attachable	246	cf::global cf::attachable
175	cf::object cf::object::player	247	cf::object cf::object::player
176	cf::client cf::player	248	cf::client cf::player
177	cf::arch cf::living	249	cf::arch cf::living
		250	cf::map cf::mapspace
178	cf::map cf::party cf::region	251	cf::party cf::region
179	)) {	252	)) {
180	no strict 'refs';
181	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	253	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
182	}	254	}
183		255
184	$Event::DIED = sub {	256	$EV::DIED = sub {
185	warn "error in event callback: @_";	257	warn "error in event callback: @_";
186	};	258	};
		259
		260	#############################################################################
187		261
188	=head2 UTILITY FUNCTIONS	262	=head2 UTILITY FUNCTIONS
189		263
190	=over 4	264	=over 4
191		265
…		…
210	$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;
211	$d	285	$d
212	} || "[unable to dump $_[0]: '$@']";	286	} || "[unable to dump $_[0]: '$@']";
213	}	287	}
214		288
215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
216
217	=item $ref = cf::from_json $json	289	=item $ref = cf::decode_json $json
218		290
219	Converts a JSON string into the corresponding perl data structure.	291	Converts a JSON string into the corresponding perl data structure.
220		292
221	=item $json = cf::to_json $ref	293	=item $json = cf::encode_json $ref
222		294
223	Converts a perl data structure into its JSON representation.	295	Converts a perl data structure into its JSON representation.
		296
		297	=cut
		298
		299	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		300
		301	sub encode_json($) { $json_coder->encode ($_[0]) }
		302	sub decode_json($) { $json_coder->decode ($_[0]) }
224		303
225	=item cf::lock_wait $string	304	=item cf::lock_wait $string
226		305
227	Wait until the given lock is available. See cf::lock_acquire.	306	Wait until the given lock is available. See cf::lock_acquire.
228		307
…		…
231	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
232	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,
233	for example when the coroutine gets canceled), the lock is automatically	312	for example when the coroutine gets canceled), the lock is automatically
234	returned.	313	returned.
235		314
		315	Locks are *not* recursive, locking from the same coro twice results in a
		316	deadlocked coro.
		317
236	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
237	uses map_find and cf::map::load uses map_load).	319	uses map_find and cf::map::load uses map_load).
238		320
		321	=item $locked = cf::lock_active $string
		322
		323	Return true if the lock is currently active, i.e. somebody has locked it.
		324
239	=cut	325	=cut
240		326
241	our %LOCK;	327	our %LOCK;
		328	our %LOCKER;#d#
242		329
243	sub lock_wait($) {	330	sub lock_wait($) {
244	my ($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#
245		337
246	# wait for lock, if any	338	# wait for lock, if any
247	while ($LOCK{$key}) {	339	while ($LOCK{$key}) {
248	push @{ $LOCK{$key} }, $Coro::current;	340	push @{ $LOCK{$key} }, $Coro::current;
249	Coro::schedule;	341	Coro::schedule;
…		…
255		347
256	# wait, to be sure we are not locked	348	# wait, to be sure we are not locked
257	lock_wait $key;	349	lock_wait $key;
258		350
259	$LOCK{$key} = [];	351	$LOCK{$key} = [];
		352	$LOCKER{$key} = $Coro::current;#d#
260		353
261	Coro::guard {	354	Coro::guard {
		355	delete $LOCKER{$key};#d#
262	# wake up all waiters, to be on the safe side	356	# wake up all waiters, to be on the safe side
263	$_->ready for @{ delete $LOCK{$key} };	357	$_->ready for @{ delete $LOCK{$key} };
264	}	358	}
265	}	359	}
266		360
		361	sub lock_active($) {
		362	my ($key) = @_;
		363
		364	! ! $LOCK{$key}
		365	}
		366
267	sub freeze_mainloop {	367	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
269		369
270	my $guard = Coro::guard {	370	Coro::guard \&tick_inhibit_dec;
271	$TICK_WATCHER->start;	371	}
		372
		373	=item cf::periodic $interval, $cb
		374
		375	Like EV::periodic, but randomly selects a starting point so that the actions
		376	get spread over timer.
		377
		378	=cut
		379
		380	sub periodic($$) {
		381	my ($interval, $cb) = @_;
		382
		383	my $start = rand List::Util::min 180, $interval;
		384
		385	EV::periodic $start, $interval, 0, $cb
		386	}
		387
		388	=item cf::get_slot $time[, $priority[, $name]]
		389
		390	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		391	This call blocks and returns only when you have at least C<$time> seconds
		392	of cpu time till the next tick. The slot is only valid till the next cede.
		393
		394	The optional C<$name> can be used to identify the job to run. It might be
		395	used for statistical purposes and should identify the same time-class.
		396
		397	Useful for short background jobs.
		398
		399	=cut
		400
		401	our @SLOT_QUEUE;
		402	our $SLOT_QUEUE;
		403
		404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		405	$SLOT_QUEUE = Coro::async {
		406	$Coro::current->desc ("timeslot manager");
		407
		408	my $signal = new Coro::Signal;
		409
		410	while () {
		411	next_job:
		412	my $avail = cf::till_tick;
		413	if ($avail > 0.01) {
		414	for (0 .. $#SLOT_QUEUE) {
		415	if ($SLOT_QUEUE[$_][0] < $avail) {
		416	my $job = splice @SLOT_QUEUE, $_, 1, ();
		417	$job->[2]->send;
		418	Coro::cede;
		419	goto next_job;
		420	}
		421	}
		422	}
		423
		424	if (@SLOT_QUEUE) {
		425	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		426	push @cf::WAIT_FOR_TICK, $signal;
		427	$signal->wait;
		428	} else {
		429	Coro::schedule;
		430	}
272	};	431	}
273	$TICK_WATCHER->stop;	432	};
274	$guard	433
		434	sub get_slot($;$$) {
		435	return if tick_inhibit || $Coro::current == $Coro::main;
		436
		437	my ($time, $pri, $name) = @_;
		438
		439	$time = $TICK * .6 if $time > $TICK * .6;
		440	my $sig = new Coro::Signal;
		441
		442	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		443	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		444	$SLOT_QUEUE->ready;
		445	$sig->wait;
275	}	446	}
276		447
277	=item cf::async { BLOCK }	448	=item cf::async { BLOCK }
278		449
279	Currently the same as Coro::async_pool, meaning you cannot use	450	Currently the same as Coro::async_pool, meaning you cannot use
…		…
284		455
285	BEGIN { *async = \&Coro::async_pool }	456	BEGIN { *async = \&Coro::async_pool }
286		457
287	=item cf::sync_job { BLOCK }	458	=item cf::sync_job { BLOCK }
288		459
289	The design of crossfire+ requires that the main coro ($Coro::main) is	460	The design of Deliantra requires that the main coroutine ($Coro::main)
290	always able to handle events or runnable, as crossfire+ is only partly	461	is always able to handle events or runnable, as Deliantra is only
291	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	462	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		463	acceptable.
292		464
293	If it must be done, put the blocking parts into C<sync_job>. This will run	465	If it must be done, put the blocking parts into C<sync_job>. This will run
294	the given BLOCK in another coroutine while waiting for the result. The	466	the given BLOCK in another coroutine while waiting for the result. The
295	server will be frozen during this time, so the block should either finish	467	server will be frozen during this time, so the block should either finish
296	fast or be very important.	468	fast or be very important.
…		…
299		471
300	sub sync_job(&) {	472	sub sync_job(&) {
301	my ($job) = @_;	473	my ($job) = @_;
302		474
303	if ($Coro::current == $Coro::main) {	475	if ($Coro::current == $Coro::main) {
		476	my $time = EV::time;
		477
304	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
306		480
307	# TODO: use suspend/resume instead	481	LOG llevError, Carp::longmess "sync job";#d#
308	# (but this is cancel-safe)	482
309	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
310		484
311	my $busy = 1;	485	my $busy = 1;
312	my @res;	486	my @res;
313		487
314	(async {	488	(async {
		489	$Coro::current->desc ("sync job coro");
315	@res = eval { $job->() };	490	@res = eval { $job->() };
316	warn $@ if $@;	491	warn $@ if $@;
317	undef $busy;	492	undef $busy;
318	})->prio (Coro::PRIO_MAX);	493	})->prio (Coro::PRIO_MAX);
319		494
320	while ($busy) {	495	while ($busy) {
321	Coro::cede or Event::one_event;	496	if (Coro::nready) {
		497	Coro::cede_notself;
		498	} else {
		499	EV::loop EV::LOOP_ONESHOT;
322	}	500	}
		501	}
		502
		503	my $time = EV::time - $time;
		504
		505	$TICK_START += $time; # do not account sync jobs to server load
323		506
324	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
325	} else {	508	} else {
326	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
327		510
…		…
347	$EXT_CORO{$coro+0} = $coro;	530	$EXT_CORO{$coro+0} = $coro;
348		531
349	$coro	532	$coro
350	}	533	}
351		534
352	sub write_runtime {	535	=item fork_call { }, $args
353	my $guard = cf::lock_acquire "write_runtime";
354		536
355	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.
356		541
357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	542	=cut
358	or return;
359		543
360	my $value = $cf::RUNTIME + 90 + 10;	544	sub fork_call(&@) {
361	# 10 is the runtime save interval, for a monotonic clock	545	my ($cb, @args) = @_;
362	# 60 allows for the watchdog to kill the server.
363		546
364	(aio_write $fh, 0, (length $value), $value, 0) <= 0	547	# we seemingly have to make a local copy of the whole thing,
365	and return;	548	# otherwise perl prematurely frees the stuff :/
		549	# TODO: investigate and fix (likely this will be rather laborious)
366		550
367	# always fsync - this file is important	551	my @res = Coro::Util::fork_eval {
368	aio_fsync $fh	552	reset_signals;
369	and return;	553	&$cb
		554	}, @args;
370		555
371	close $fh	556	wantarray ? @res : $res[-1]
372	or return;	557	}
373		558
374	aio_rename "$runtime~", $runtime	559	=item $coin = coin_from_name $name
375	and return;
376		560
		561	=cut
		562
		563	our %coin_alias = (
		564	"silver" => "silvercoin",
		565	"silvercoin" => "silvercoin",
		566	"silvercoins" => "silvercoin",
		567	"gold" => "goldcoin",
		568	"goldcoin" => "goldcoin",
		569	"goldcoins" => "goldcoin",
		570	"platinum" => "platinacoin",
		571	"platinumcoin" => "platinacoin",
		572	"platinumcoins" => "platinacoin",
		573	"platina" => "platinacoin",
		574	"platinacoin" => "platinacoin",
		575	"platinacoins" => "platinacoin",
		576	"royalty" => "royalty",
		577	"royalties" => "royalty",
		578	);
		579
		580	sub coin_from_name($) {
		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($$) {
		628	my $key = "$_[0]/$_[1]";
		629
		630	cf::sync_job {
		631	BDB::db_get $DB, undef, $key, my $data;
		632
		633	$! ? ()
		634	: $data
377	1	635	}
		636	}
		637
		638	sub db_put($$$) {
		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"
378	}	711	}
379		712
380	=item cf::datalog type => key => value, ...	713	=item cf::datalog type => key => value, ...
381		714
382	Log a datalog packet of the given type with the given key-value pairs.	715	Log a datalog packet of the given type with the given key-value pairs.
…		…
400	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")
401	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
402		735
403	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>
404	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
405	crossfire+).	738	Deliantra).
406		739
407	=over 4	740	=over 4
408		741
409	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
410		743
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	906	$registry = $CB_TYPE[$object_type] ||= [];
574		907
575	} elsif ($type eq "subtype") {	908	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	909	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	910	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	911	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		912
580	} elsif ($type eq "package") {	913	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	914	my $pkg = shift @arg;
582		915
583	while (my ($name, $id) = each %cb_id) {	916	while (my ($name, $id) = each %cb_id) {
…		…
612	_attach $registry, $klass, @attach;	945	_attach $registry, $klass, @attach;
613	}	946	}
614		947
615	$obj->{$name} = \%arg;	948	$obj->{$name} = \%arg;
616	} else {	949	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	950	warn "object uses attachment '$name' which is not available, postponing.\n";
618	}	951	}
619		952
620	$obj->{_attachment}{$name} = undef;	953	$obj->{_attachment}{$name} = undef;
621	}	954	}
622		955
…		…
624	if (ref $_[0]) {	957	if (ref $_[0]) {
625	_object_attach @_;	958	_object_attach @_;
626	} else {	959	} else {
627	_attach shift->_attach_registry, @_;	960	_attach shift->_attach_registry, @_;
628	}	961	}
		962	_recalc_want;
629	};	963	};
630		964
631	# all those should be optimised	965	# all those should be optimised
632	sub cf::attachable::detach {	966	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	967	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	970	delete $obj->{_attachment}{$name};
637	reattach ($obj);	971	reattach ($obj);
638	} else {	972	} else {
639	Carp::croak "cannot, currently, detach class attachments";	973	Carp::croak "cannot, currently, detach class attachments";
640	}	974	}
		975	_recalc_want;
641	};	976	};
642		977
643	sub cf::attachable::attached {	978	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	979	my ($obj, $name) = @_;
645		980
…		…
660	";	995	";
661	die if $@;	996	die if $@;
662	}	997	}
663		998
664	our $override;	999	our $override;
665	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?
666		1001
667	sub override {	1002	sub override {
668	$override = 1;	1003	$override = 1;
669	@invoke_results = ();	1004	@INVOKE_RESULTS = (@_);
670	}	1005	}
671		1006
672	sub do_invoke {	1007	sub do_invoke {
673	my $event = shift;	1008	my $event = shift;
674	my $callbacks = shift;	1009	my $callbacks = shift;
675		1010
676	@invoke_results = ();	1011	@INVOKE_RESULTS = ();
677		1012
678	local $override;	1013	local $override;
679		1014
680	for (@$callbacks) {	1015	for (@$callbacks) {
681	eval { &{$_->[1]} };	1016	eval { &{$_->[1]} };
…		…
690	}	1025	}
691		1026
692	0	1027	0
693	}	1028	}
694		1029
695	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
696		1031
697	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
698		1033
699	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
700		1035
701	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
702	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
703	results (if you must, access C<@cf::invoke_results> directly).	1038	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704		1039
705	=back	1040	=back
706		1041
707	=cut	1042	=cut
708		1043
709	#############################################################################	1044	#############################################################################
710	# 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, $ob2
		1087	}
711		1088
712	sub reattach {	1089	sub reattach {
713	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
714	my ($obj) = @_;	1091	my ($obj) = @_;
715		1092
		1093	# no longer needed after getting rid of delete_package?
716	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
717		1095
718	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
719		1097
720	@$registry = ();	1098	@$registry = ();
721		1099
…		…
736	cf::attachable->attach (	1114	cf::attachable->attach (
737	prio => -1000000,	1115	prio => -1000000,
738	on_instantiate => sub {	1116	on_instantiate => sub {
739	my ($obj, $data) = @_;	1117	my ($obj, $data) = @_;
740		1118
741	$data = from_json $data;	1119	$data = decode_json $data;
742		1120
743	for (@$data) {	1121	for (@$data) {
744	my ($name, $args) = @$_;	1122	my ($name, $args) = @$_;
745		1123
746	$obj->attach ($name, %{$args || {} });	1124	$obj->attach ($name, %{$args || {} });
…		…
762	sub object_freezer_save {	1140	sub object_freezer_save {
763	my ($filename, $rdata, $objs) = @_;	1141	my ($filename, $rdata, $objs) = @_;
764		1142
765	sync_job {	1143	sync_job {
766	if (length $$rdata) {	1144	if (length $$rdata) {
		1145	utf8::decode (my $decname = $filename);
767	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
768	$filename, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
769		1148
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1152	aio_fsync $fh if $cf::USE_FSYNC;
774	close $fh;	1153	aio_close $fh;
775		1154
776	if (@$objs) {	1155	if (@$objs) {
777	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) {
778	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
781	aio_fsync $fh if $cf::USE_FSYNC;	1160	aio_fsync $fh if $cf::USE_FSYNC;
782	close $fh;	1161	aio_close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
784	}	1163	}
785	} else {	1164	} else {
786	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
787	}	1166	}
…		…
792	}	1171	}
793	} else {	1172	} else {
794	aio_unlink $filename;	1173	aio_unlink $filename;
795	aio_unlink "$filename.pst";	1174	aio_unlink "$filename.pst";
796	}	1175	}
797	}	1176	};
798	}	1177	}
799		1178
800	sub object_freezer_as_string {	1179	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	1180	my ($rdata, $objs) = @_;
802		1181
…		…
814	or return;	1193	or return;
815		1194
816	unless (aio_stat "$filename.pst") {	1195	unless (aio_stat "$filename.pst") {
817	(aio_load "$filename.pst", $av) >= 0	1196	(aio_load "$filename.pst", $av) >= 0
818	or return;	1197	or return;
		1198
819	$av = eval { (Storable::thaw $av)->{objs} };	1199	my $st = eval { Coro::Storable::thaw $av };
		1200	$av = $st->{objs};
820	}	1201	}
821		1202
		1203	utf8::decode (my $decname = $filename);
822	warn sprintf "loading %s (%d)\n",	1204	warn sprintf "loading %s (%d,%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1205	$decname, length $data, scalar @{$av || []};
		1206
824	return ($data, $av);	1207	($data, $av)
825	}	1208	}
		1209
		1210	=head2 COMMAND CALLBACKS
		1211
		1212	=over 4
		1213
		1214	=cut
826		1215
827	#############################################################################	1216	#############################################################################
828	# command handling &c	1217	# command handling &c
829		1218
830	=item cf::register_command $name => \&callback($ob,$args);	1219	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1232	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1233	}
845		1234
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1235	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1236
848	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.
849		1242
850	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
851	called.	1244	called.
852		1245
		1246	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1247
		1248	Register a callback for execution when the client sends an (asynchronous)
		1249	exticmd packet. Exti commands are processed by the server as soon as they
		1250	are received, i.e. out of order w.r.t. other commands. The first argument
		1251	is a client socket. Exti commands can be received anytime, even before
		1252	log-in.
		1253
		1254	If the callback returns something, it is sent back as if reply was being
		1255	called.
		1256
853	=cut	1257	=cut
854		1258
855	sub register_extcmd {	1259	sub register_extcmd {
856	my ($name, $cb) = @_;	1260	my ($name, $cb) = @_;
857		1261
858	$EXTCMD{$name} = $cb;	1262	$EXTCMD{$name} = $cb;
		1263	}
		1264
		1265	sub register_exticmd {
		1266	my ($name, $cb) = @_;
		1267
		1268	$EXTICMD{$name} = $cb;
859	}	1269	}
860		1270
861	cf::player->attach (	1271	cf::player->attach (
862	on_command => sub {	1272	on_command => sub {
863	my ($pl, $name, $params) = @_;	1273	my ($pl, $name, $params) = @_;
…		…
872	cf::override;	1282	cf::override;
873	},	1283	},
874	on_extcmd => sub {	1284	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1285	my ($pl, $buf) = @_;
876		1286
877	my $msg = eval { from_json $buf };	1287	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1288
879	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
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1297	if (my $cb = $EXTCMD{$type}) {
881	if (my %reply = $cb->($pl, $msg)) {	1298	@reply = $cb->($pl, @payload);
882	$pl->ext_reply ($msg->{msgid}, %reply);
883	}
884	}	1299	}
		1300
		1301	$pl->ext_reply ($reply, @reply)
		1302	if $reply;
		1303
885	} else {	1304	} else {
886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1305	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887	}	1306	}
888		1307
889	cf::override;	1308	cf::override;
890	},	1309	},
891	);	1310	);
892		1311
893	sub load_extension {
894	my ($path) = @_;
895
896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
897	my $base = $1;
898	my $pkg = $1;
899	$pkg =~ s/[^[:word:]]/_/g;
900	$pkg = "ext::$pkg";
901
902	warn "... loading '$path' into '$pkg'\n";
903
904	open my $fh, "<:utf8", $path
905	or die "$path: $!";
906
907	my $source =
908	"package $pkg; use strict; use utf8;\n"
909	. "#line 1 \"$path\"\n{\n"
910	. (do { local $/; <$fh> })
911	. "\n};\n1";
912
913	unless (eval $source) {
914	my $msg = $@ ? "$path: $@\n"
915	: "extension disabled.\n";
916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
917	warn $@;
918	warn "mandatory extension failed to load, exiting.\n";
919	exit 1;
920	}
921	die $@;
922	}
923
924	push @EXTS, $pkg;
925	}
926
927	sub load_extensions {	1312	sub load_extensions {
		1313	cf::sync_job {
		1314	my %todo;
		1315
928	for my $ext (<$LIBDIR/*.ext>) {	1316	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1317	next unless -r $path;
930	eval {	1318
931	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	$progress = 1;
932	1	1375	}
933	} or warn "$ext not loaded: $@";	1376
		1377	skip:
		1378	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1379	unless $progress;
		1380	}
934	}	1381	};
935	}	1382	}
936		1383
937	#############################################################################	1384	#############################################################################
938		1385
		1386	=back
		1387
939	=head2 CORE EXTENSIONS	1388	=head2 CORE EXTENSIONS
940		1389
941	Functions and methods that extend core crossfire objects.	1390	Functions and methods that extend core crossfire objects.
942		1391
943	=cut	1392	=cut
…		…
948		1397
949	=head3 cf::player	1398	=head3 cf::player
950		1399
951	=over 4	1400	=over 4
952		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
953	=item cf::player::find $login	1416	=item cf::player::find $login
954		1417
955	Returns the given player object, loading it if necessary (might block).	1418	Returns the given player object, loading it if necessary (might block).
956		1419
957	=cut	1420	=cut
958		1421
959	sub playerdir($) {	1422	sub playerdir($) {
960	cf::localdir	1423	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1424	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1425	}
966		1426
967	sub path($) {	1427	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1428	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1455	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1456	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1457	aio_unlink +(playerdir $login) . "/$login.pl.pst";
998	aio_unlink +(playerdir $login) . "/$login.pl";	1458	aio_unlink +(playerdir $login) . "/$login.pl";
999		1459
1000	my $pl = load_pl path $login	1460	my $f = new_from_file cf::object::thawer path $login
1001	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;
1002	$cf::PLAYER{$login} = $pl	1468	$cf::PLAYER{$login} = $pl
1003	}	1469	}
1004	}	1470	}
1005	}	1471	}
1006		1472
…		…
1015	return if $pl->{deny_save};	1481	return if $pl->{deny_save};
1016		1482
1017	aio_mkdir playerdir $pl, 0770;	1483	aio_mkdir playerdir $pl, 0770;
1018	$pl->{last_save} = $cf::RUNTIME;	1484	$pl->{last_save} = $cf::RUNTIME;
1019		1485
		1486	cf::get_slot 0.01;
		1487
1020	$pl->save_pl ($path);	1488	$pl->save_pl ($path);
1021	Coro::cede;	1489	cf::cede_to_tick;
1022	}	1490	}
1023		1491
1024	sub new($) {	1492	sub new($) {
1025	my ($login) = @_;	1493	my ($login) = @_;
1026		1494
…		…
1032	$cf::PLAYER{$login} = $self;	1500	$cf::PLAYER{$login} = $self;
1033		1501
1034	$self	1502	$self
1035	}	1503	}
1036		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
1037	=item $pl->quit_character	1515	=item $pl->quit_character
1038		1516
1039	Nukes the player without looking back. If logged in, the connection will	1517	Nukes the player without looking back. If logged in, the connection will
1040	be destroyed. May block for a long time.	1518	be destroyed. May block for a long time.
1041		1519
…		…
1045	my ($pl) = @_;	1523	my ($pl) = @_;
1046		1524
1047	my $name = $pl->ob->name;	1525	my $name = $pl->ob->name;
1048		1526
1049	$pl->{deny_save} = 1;	1527	$pl->{deny_save} = 1;
1050	$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
1051		1529
1052	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1530	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1053	$pl->deactivate;	1531	$pl->deactivate;
		1532	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1533	$pl->ob->check_score;
1054	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1534	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1055	$pl->ns->destroy if $pl->ns;	1535	$pl->ns->destroy if $pl->ns;
1056		1536
1057	my $path = playerdir $pl;	1537	my $path = playerdir $pl;
1058	my $temp = "$path~$cf::RUNTIME~deleting~";	1538	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1088	while and may block, so not sync_job-capable, ever.	1568	while and may block, so not sync_job-capable, ever.
1089		1569
1090	=cut	1570	=cut
1091		1571
1092	sub list_logins {	1572	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1573	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1574	or return [];
1095		1575
1096	my @logins;	1576	my @logins;
1097		1577
1098	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") {
1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1584	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1100	aio_read $fh, 0, 512, my $buf, 0 or next;	1585	aio_read $fh, 0, 512, my $buf, 0 or next;
1101	$buf !~ /^password -------------$/m or next; # official not-valid tag	1586	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1587	}
1102		1588
1103	utf8::decode $login;	1589	utf8::decode $login;
1104	push @logins, $login;	1590	push @logins, $login;
1105	}	1591	}
1106		1592
…		…
1133	}	1619	}
1134		1620
1135	\@paths	1621	\@paths
1136	}	1622	}
1137		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
1138	=item $player->ext_reply ($msgid, %msg)	1719	=item $player->ext_reply ($msgid, @msg)
1139		1720
1140	Sends an ext reply to the player.	1721	Sends an ext reply to the player.
1141		1722
1142	=cut	1723	=cut
1143		1724
1144	sub ext_reply($$%) {	1725	sub ext_reply($$@) {
1145	my ($self, $id, %msg) = @_;	1726	my ($self, $id, @msg) = @_;
1146		1727
1147	$msg{msgid} = $id;	1728	$self->ns->ext_reply ($id, @msg)
1148
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}	1729	}
1151		1730
1152	=item $player->ext_event ($type, %msg)	1731	=item $player->ext_msg ($type, @msg)
1153		1732
1154	Sends an ext event to the client.	1733	Sends an ext event to the client.
1155		1734
1156	=cut	1735	=cut
1157		1736
1158	sub ext_event($$%) {	1737	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1738	my ($self, $type, @msg) = @_;
1160		1739
1161	$self->ns->ext_event ($type, %msg);	1740	$self->ns->ext_msg ($type, @msg);
1162	}	1741	}
1163		1742
1164	package cf;	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	}
1165		1771
1166	=back	1772	=back
1167
1168		1773
1169	=head3 cf::map	1774	=head3 cf::map
1170		1775
1171	=over 4	1776	=over 4
1172		1777
…		…
1184	our $MAX_RESET = 3600;	1789	our $MAX_RESET = 3600;
1185	our $DEFAULT_RESET = 3000;	1790	our $DEFAULT_RESET = 3000;
1186		1791
1187	sub generate_random_map {	1792	sub generate_random_map {
1188	my ($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
1189	# mit "rum" bekleckern, nicht	1797	# mit "rum" bekleckern, nicht
1190	$self->_create_random_map (	1798	$self->_create_random_map (
1191	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1799	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1192	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1800	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1193	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1801	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1227	my ($self, $merge) = @_;	1835	my ($self, $merge) = @_;
1228		1836
1229	# we have to keep some variables in memory intact	1837	# we have to keep some variables in memory intact
1230	local $self->{path};	1838	local $self->{path};
1231	local $self->{load_path};	1839	local $self->{load_path};
1232	local $self->{deny_save};
1233	local $self->{deny_reset};
1234		1840
1235	$self->SUPER::thawer_merge ($merge);	1841	$self->SUPER::thawer_merge ($merge);
1236	}	1842	}
1237		1843
1238	sub normalise {	1844	sub normalise {
…		…
1285	$self->init; # pass $1 etc.	1891	$self->init; # pass $1 etc.
1286	return $self;	1892	return $self;
1287	}	1893	}
1288	}	1894	}
1289		1895
1290	Carp::carp "unable to resolve path '$path' (base '$base').";	1896	Carp::cluck "unable to resolve path '$path' (base '$base').";
1291	()	1897	()
1292	}	1898	}
1293		1899
1294	sub init {	1900	sub init {
1295	my ($self) = @_;	1901	my ($self) = @_;
…		…
1310		1916
1311	# the original (read-only) location	1917	# the original (read-only) location
1312	sub load_path {	1918	sub load_path {
1313	my ($self) = @_;	1919	my ($self) = @_;
1314		1920
1315	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1921	"$MAPDIR/$self->{path}.map"
1316	}	1922	}
1317		1923
1318	# the temporary/swap location	1924	# the temporary/swap location
1319	sub save_path {	1925	sub save_path {
1320	my ($self) = @_;	1926	my ($self) = @_;
1321		1927
1322	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1928	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1323	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1929	"$TMPDIR/$path.map"
1324	}	1930	}
1325		1931
1326	# the unique path, undef == no special unique path	1932	# the unique path, undef == no special unique path
1327	sub uniq_path {	1933	sub uniq_path {
1328	my ($self) = @_;	1934	my ($self) = @_;
1329		1935
1330	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1936	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1331	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1937	"$UNIQUEDIR/$path"
1332	}	1938	}
1333		1939
1334	# and all this just because we cannot iterate over	1940	# and all this just because we cannot iterate over
1335	# all maps in C++...	1941	# all maps in C++...
1336	sub change_all_map_light {	1942	sub change_all_map_light {
…		…
1338		1944
1339	$_->change_map_light ($change)	1945	$_->change_map_light ($change)
1340	for grep $_->outdoor, values %cf::MAP;	1946	for grep $_->outdoor, values %cf::MAP;
1341	}	1947	}
1342		1948
		1949	sub decay_objects {
		1950	my ($self) = @_;
		1951
		1952	return if $self->{deny_reset};
		1953
		1954	$self->do_decay_objects;
		1955	}
		1956
1343	sub unlink_save {	1957	sub unlink_save {
1344	my ($self) = @_;	1958	my ($self) = @_;
1345		1959
1346	utf8::encode (my $save = $self->save_path);	1960	utf8::encode (my $save = $self->save_path);
1347	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1961	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1350		1964
1351	sub load_header_from($) {	1965	sub load_header_from($) {
1352	my ($self, $path) = @_;	1966	my ($self, $path) = @_;
1353		1967
1354	utf8::encode $path;	1968	utf8::encode $path;
1355	#aio_open $path, O_RDONLY, 0	1969	my $f = new_from_file cf::object::thawer $path
1356	# or return;
1357
1358	$self->_load_header ($path)
1359	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;
1360		1977
1361	$self->{load_path} = $path;	1978	$self->{load_path} = $path;
1362		1979
1363	1	1980	1
1364	}	1981	}
…		…
1403	$self->load_header_orig	2020	$self->load_header_orig
1404	or return;	2021	or return;
1405	$self->prepare_orig;	2022	$self->prepare_orig;
1406	}	2023	}
1407		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 $self->default_region;
		2030
1408	1	2031	1
1409	}	2032	}
1410		2033
1411	sub find;	2034	sub find;
1412	sub find {	2035	sub find {
1413	my ($path, $origin) = @_;	2036	my ($path, $origin) = @_;
1414		2037
1415	$path = normalise $path, $origin && $origin->path;	2038	$path = normalise $path, $origin && $origin->path;
1416		2039
		2040	cf::lock_wait "map_data:$path";#d#remove
1417	cf::lock_wait "map_find:$path";	2041	cf::lock_wait "map_find:$path";
1418		2042
1419	$cf::MAP{$path} || do {	2043	$cf::MAP{$path} || do {
		2044	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1420	my $guard = cf::lock_acquire "map_find:$path";	2045	my $guard2 = cf::lock_acquire "map_find:$path";
		2046
1421	my $map = new_from_path cf::map $path	2047	my $map = new_from_path cf::map $path
1422	or return;	2048	or return;
1423		2049
1424	$map->{last_save} = $cf::RUNTIME;	2050	$map->{last_save} = $cf::RUNTIME;
1425		2051
1426	$map->load_header	2052	$map->load_header
1427	or return;	2053	or return;
1428		2054
1429	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2055	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1430	# doing this can freeze the server in a sync job, obviously	2056	# doing this can freeze the server in a sync job, obviously
1431	#$cf::WAIT_FOR_TICK->wait;	2057	#$cf::WAIT_FOR_TICK->wait;
		2058	undef $guard2;
		2059	undef $guard1;
1432	$map->reset;	2060	$map->reset;
1433	undef $guard;
1434	return find $path;	2061	return find $path;
1435	}	2062	}
1436		2063
1437	$cf::MAP{$path} = $map	2064	$cf::MAP{$path} = $map
1438	}	2065	}
…		…
1445	my ($self) = @_;	2072	my ($self) = @_;
1446		2073
1447	local $self->{deny_reset} = 1; # loading can take a long time	2074	local $self->{deny_reset} = 1; # loading can take a long time
1448		2075
1449	my $path = $self->{path};	2076	my $path = $self->{path};
		2077
		2078	{
1450	my $guard = cf::lock_acquire "map_load:$path";	2079	my $guard = cf::lock_acquire "map_data:$path";
1451		2080
		2081	return unless $self->valid;
1452	return if $self->in_memory != cf::MAP_SWAPPED;	2082	return unless $self->in_memory == cf::MAP_SWAPPED;
1453		2083
1454	$self->in_memory (cf::MAP_LOADING);	2084	$self->in_memory (cf::MAP_LOADING);
1455		2085
1456	$self->alloc;	2086	$self->alloc;
1457		2087
1458	$self->pre_load;	2088	$self->pre_load;
		2089	cf::cede_to_tick;
1459		2090
1460	$self->_load_objects ($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)
1461	or return;	2094	or return;
1462		2095
1463	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2096	$self->post_load_original
1464	if delete $self->{load_original};	2097	if delete $self->{load_original};
1465		2098
1466	if (my $uniq = $self->uniq_path) {	2099	if (my $uniq = $self->uniq_path) {
1467	utf8::encode $uniq;	2100	utf8::encode $uniq;
1468	if (aio_open $uniq, O_RDONLY, 0) {	2101	unless (aio_stat $uniq) {
		2102	if (my $f = new_from_file cf::object::thawer $uniq) {
1469	$self->clear_unique_items;	2103	$self->clear_unique_items;
1470	$self->_load_objects ($uniq, 0);	2104	$self->_load_objects ($f);
		2105	$f->resolve_delayed_derefs;
		2106	}
1471	}	2107	}
1472	}	2108	}
1473		2109
1474	Coro::cede;	2110	$f->resolve_delayed_derefs;
1475		2111
		2112	cf::cede_to_tick;
1476	# now do the right thing for maps	2113	# now do the right thing for maps
1477	$self->link_multipart_objects;	2114	$self->link_multipart_objects;
1478
1479	unless ($self->{deny_activate}) {
1480	$self->decay_objects;
1481	$self->fix_auto_apply;
1482	$self->update_buttons;
1483	Coro::cede;
1484	$self->set_darkness_map;
1485	$self->difficulty ($self->estimate_difficulty)	2115	$self->difficulty ($self->estimate_difficulty)
1486	unless $self->difficulty;	2116	unless $self->difficulty;
1487	Coro::cede;	2117	cf::cede_to_tick;
		2118
		2119	unless ($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;
1488	$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);
1489	}	2133	}
1490		2134
1491	$self->post_load;	2135	$self->post_load;
1492
1493	$self->in_memory (cf::MAP_IN_MEMORY);
1494	}	2136	}
1495		2137
1496	sub customise_for {	2138	sub customise_for {
1497	my ($self, $ob) = @_;	2139	my ($self, $ob) = @_;
1498		2140
1499	return find "~" . $ob->name . "/" . $self->{path}	2141	return find "~" . $ob->name . "/" . $self->{path}
1500	if $self->per_player;	2142	if $self->per_player;
1501		2143
		2144	# return find "?party/" . $ob->name . "/" . $self->{path}
		2145	# if $self->per_party;
		2146
1502	$self	2147	$self
1503	}	2148	}
1504		2149
1505	# find and load all maps in the 3x3 area around a map	2150	# find and load all maps in the 3x3 area around a map
1506	sub load_diag {	2151	sub load_neighbours {
1507	my ($map) = @_;	2152	my ($map) = @_;
1508		2153
1509	my @diag; # diagonal neighbours	2154	my @neigh; # diagonal neighbours
1510		2155
1511	for (0 .. 3) {	2156	for (0 .. 3) {
1512	my $neigh = $map->tile_path ($_)	2157	my $neigh = $map->tile_path ($_)
1513	or next;	2158	or next;
1514	$neigh = find $neigh, $map	2159	$neigh = find $neigh, $map
1515	or next;	2160	or next;
1516	$neigh->load;	2161	$neigh->load;
1517		2162
		2163	push @neigh,
1518	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2164	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1519	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2165	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1520	}	2166	}
1521		2167
1522	for (@diag) {	2168	for (grep defined $_->[0], @neigh) {
		2169	my ($path, $origin) = @$_;
1523	my $neigh = find @$_	2170	my $neigh = find $path, $origin
1524	or next;	2171	or next;
1525	$neigh->load;	2172	$neigh->load;
1526	}	2173	}
1527	}	2174	}
1528		2175
…		…
1533	}	2180	}
1534		2181
1535	sub do_load_sync {	2182	sub do_load_sync {
1536	my ($map) = @_;	2183	my ($map) = @_;
1537		2184
		2185	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2186	if $Coro::current == $Coro::main;
		2187
1538	cf::sync_job { $map->load };	2188	cf::sync_job { $map->load };
1539	}	2189	}
1540		2190
1541	our %MAP_PREFETCH;	2191	our %MAP_PREFETCH;
1542	our $MAP_PREFETCHER = undef;	2192	our $MAP_PREFETCHER = undef;
1543		2193
1544	sub find_async {	2194	sub find_async {
1545	my ($path, $origin) = @_;	2195	my ($path, $origin, $load) = @_;
1546		2196
1547	$path = normalise $path, $origin && $origin->{path};	2197	$path = normalise $path, $origin && $origin->{path};
1548		2198
1549	if (my $map = $cf::MAP{$path}) {	2199	if (my $map = $cf::MAP{$path}) {
1550	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2200	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1551	}	2201	}
1552		2202
1553	undef $MAP_PREFETCH{$path};	2203	$MAP_PREFETCH{$path} |= $load;
		2204
1554	$MAP_PREFETCHER ||= cf::async {	2205	$MAP_PREFETCHER ||= cf::async {
		2206	$Coro::current->{desc} = "map prefetcher";
		2207
1555	while (%MAP_PREFETCH) {	2208	while (%MAP_PREFETCH) {
1556	for my $path (keys %MAP_PREFETCH) {	2209	while (my ($k, $v) = each %MAP_PREFETCH) {
1557	my $map = find $path	2210	if (my $map = find $k) {
1558	or next;
1559	$map->load;	2211	$map->load if $v;
		2212	}
1560		2213
1561	delete $MAP_PREFETCH{$path};	2214	delete $MAP_PREFETCH{$k};
1562	}	2215	}
1563	}	2216	}
1564	undef $MAP_PREFETCHER;	2217	undef $MAP_PREFETCHER;
1565	};	2218	};
1566	$MAP_PREFETCHER->prio (6);	2219	$MAP_PREFETCHER->prio (6);
…		…
1569	}	2222	}
1570		2223
1571	sub save {	2224	sub save {
1572	my ($self) = @_;	2225	my ($self) = @_;
1573		2226
1574	my $lock = cf::lock_acquire "map_data:" . $self->path;	2227	my $lock = cf::lock_acquire "map_data:$self->{path}";
1575		2228
1576	$self->{last_save} = $cf::RUNTIME;	2229	$self->{last_save} = $cf::RUNTIME;
1577		2230
1578	return unless $self->dirty;	2231	return unless $self->dirty;
1579		2232
…		…
1585	return if $self->{deny_save};	2238	return if $self->{deny_save};
1586		2239
1587	local $self->{last_access} = $self->last_access;#d#	2240	local $self->{last_access} = $self->last_access;#d#
1588		2241
1589	cf::async {	2242	cf::async {
		2243	$Coro::current->{desc} = "map player save";
1590	$_->contr->save for $self->players;	2244	$_->contr->save for $self->players;
1591	};	2245	};
		2246
		2247	cf::get_slot 0.02;
1592		2248
1593	if ($uniq) {	2249	if ($uniq) {
1594	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2250	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1595	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2251	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1596	} else {	2252	} else {
…		…
1602	my ($self) = @_;	2258	my ($self) = @_;
1603		2259
1604	# save first because save cedes	2260	# save first because save cedes
1605	$self->save;	2261	$self->save;
1606		2262
1607	my $lock = cf::lock_acquire "map_data:" . $self->path;	2263	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2264
1609	return if $self->players;	2265	return if $self->players;
1610	return if $self->in_memory != cf::MAP_IN_MEMORY;	2266	return if $self->in_memory != cf::MAP_ACTIVE;
1611	return if $self->{deny_save};	2267	return if $self->{deny_save};
1612		2268
		2269	$self->in_memory (cf::MAP_SWAPPED);
		2270
		2271	$self->deactivate;
		2272	$_->clear_links_to ($self) for values %cf::MAP;
1613	$self->clear;	2273	$self->clear;
1614	$self->in_memory (cf::MAP_SWAPPED);
1615	}	2274	}
1616		2275
1617	sub reset_at {	2276	sub reset_at {
1618	my ($self) = @_;	2277	my ($self) = @_;
1619		2278
1620	# TODO: safety, remove and allow resettable per-player maps	2279	# TODO: safety, remove and allow resettable per-player maps
1621	return 1e99 if $self->isa ("ext::map_per_player");#d#
1622	return 1e99 if $self->{deny_reset};	2280	return 1e99 if $self->{deny_reset};
1623		2281
1624	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2282	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1625	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2283	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1626		2284
…		…
1637	my ($self) = @_;	2295	my ($self) = @_;
1638		2296
1639	my $lock = cf::lock_acquire "map_data:$self->{path}";	2297	my $lock = cf::lock_acquire "map_data:$self->{path}";
1640		2298
1641	return if $self->players;	2299	return if $self->players;
1642	return if $self->isa ("ext::map_per_player");#d#
1643		2300
1644	warn "resetting map ", $self->path;#d#	2301	warn "resetting map ", $self->path;
1645		2302
1646	$self->in_memory (cf::MAP_SWAPPED);	2303	$self->in_memory (cf::MAP_SWAPPED);
1647		2304
1648	# need to save uniques path	2305	# need to save uniques path
1649	unless ($self->{deny_save}) {	2306	unless ($self->{deny_save}) {
…		…
1653	if $uniq;	2310	if $uniq;
1654	}	2311	}
1655		2312
1656	delete $cf::MAP{$self->path};	2313	delete $cf::MAP{$self->path};
1657		2314
		2315	$self->deactivate;
		2316	$_->clear_links_to ($self) for values %cf::MAP;
1658	$self->clear;	2317	$self->clear;
1659
1660	$_->clear_links_to ($self) for values %cf::MAP;
1661		2318
1662	$self->unlink_save;	2319	$self->unlink_save;
1663	$self->destroy;	2320	$self->destroy;
1664	}	2321	}
1665		2322
1666	my $nuke_counter = "aaaa";	2323	my $nuke_counter = "aaaa";
1667		2324
1668	sub nuke {	2325	sub nuke {
1669	my ($self) = @_;	2326	my ($self) = @_;
1670		2327
		2328	{
		2329	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2330
1671	delete $cf::MAP{$self->path};	2331	delete $cf::MAP{$self->path};
1672		2332
1673	$self->unlink_save;	2333	$self->unlink_save;
1674		2334
1675	bless $self, "cf::map";	2335	bless $self, "cf::map";
1676	delete $self->{deny_reset};	2336	delete $self->{deny_reset};
1677	$self->{deny_save} = 1;	2337	$self->{deny_save} = 1;
1678	$self->reset_timeout (1);	2338	$self->reset_timeout (1);
1679	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2339	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1680		2340
1681	$cf::MAP{$self->path} = $self;	2341	$cf::MAP{$self->path} = $self;
		2342	}
1682		2343
1683	$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	]
1684	}	2381	}
1685		2382
1686	=item cf::map::unique_maps	2383	=item cf::map::unique_maps
1687		2384
1688	Returns an arrayref of paths of all shared maps that have	2385	Returns an arrayref of paths of all shared maps that have
1689	instantiated unique items. May block.	2386	instantiated unique items. May block.
1690		2387
1691	=cut	2388	=cut
1692		2389
1693	sub unique_maps() {	2390	sub unique_maps() {
1694	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2391	[
1695	or return;	2392	map {
1696
1697	my @paths;
1698
1699	for (@$files) {
1700	utf8::decode $_;	2393	utf8::decode $_;
1701	next if /\.pst$/;	2394	s/\.map$//; # TODO future compatibility hack
1702	next unless /^$PATH_SEP/o;	2395	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1703		2396	? ()
1704	push @paths, cf::map::normalise $_;	2397	: normalise $_
		2398	} @{ aio_readdir $UNIQUEDIR or [] }
1705	}	2399	]
1706
1707	\@paths
1708	}	2400	}
1709
1710	package cf;
1711		2401
1712	=back	2402	=back
1713		2403
1714	=head3 cf::object	2404	=head3 cf::object
1715		2405
…		…
1719		2409
1720	=over 4	2410	=over 4
1721		2411
1722	=item $ob->inv_recursive	2412	=item $ob->inv_recursive
1723		2413
1724	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.
1725		2416
1726	=cut	2417	=cut
1727		2418
1728	sub inv_recursive_;	2419	sub inv_recursive_;
1729	sub inv_recursive_ {	2420	sub inv_recursive_ {
…		…
1732		2423
1733	sub inv_recursive {	2424	sub inv_recursive {
1734	inv_recursive_ inv $_[0]	2425	inv_recursive_ inv $_[0]
1735	}	2426	}
1736		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
1737	package cf;	2456	package cf;
1738		2457
1739	=back	2458	=back
1740		2459
1741	=head3 cf::object::player	2460	=head3 cf::object::player
…		…
1747	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>
1748	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
1749	dialogue with the given NPC character.	2468	dialogue with the given NPC character.
1750		2469
1751	=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	};
1752		2485
1753	# rough implementation of a future "reply" method that works	2486	# rough implementation of a future "reply" method that works
1754	# with dialog boxes.	2487	# with dialog boxes.
1755	#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
1756	sub cf::object::player::reply($$$;$) {	2489	sub cf::object::player::reply($$$;$) {
…		…
1758		2491
1759	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2492	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1760		2493
1761	if ($self->{record_replies}) {	2494	if ($self->{record_replies}) {
1762	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2495	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2496
1763	} 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 {
1764	$msg = $npc->name . " says: $msg" if $npc;	2505	$msg = $npc->name . " says: $msg" if $npc;
1765	$self->message ($msg, $flags);	2506	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2507	}
1766	}	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 (@_);
1767	}	2519	}
1768		2520
1769	=item $player_object->may ("access")	2521	=item $player_object->may ("access")
1770		2522
1771	Returns wether the given player is authorized to access resource "access"	2523	Returns wether the given player is authorized to access resource "access"
…		…
1818	$self->deactivate_recursive;	2570	$self->deactivate_recursive;
1819		2571
1820	return if UNIVERSAL::isa $self->map, "ext::map_link";	2572	return if UNIVERSAL::isa $self->map, "ext::map_link";
1821		2573
1822	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2574	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1823	if $self->map;	2575	if $self->map && $self->map->{path} ne "{link}";
1824		2576
1825	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2577	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1826	}	2578	}
1827		2579
1828	sub cf::object::player::leave_link {	2580	sub cf::object::player::leave_link {
1829	my ($self, $map, $x, $y) = @_;	2581	my ($self, $map, $x, $y) = @_;
		2582
		2583	return unless $self->contr->active;
1830		2584
1831	my $link_pos = delete $self->{_link_pos};	2585	my $link_pos = delete $self->{_link_pos};
1832		2586
1833	unless ($map) {	2587	unless ($map) {
1834	# restore original map position	2588	# restore original map position
…		…
1848	# use -1 or undef as default coordinates, not 0, 0	2602	# use -1 or undef as default coordinates, not 0, 0
1849	($x, $y) = ($map->enter_x, $map->enter_y)	2603	($x, $y) = ($map->enter_x, $map->enter_y)
1850	if $x <=0 && $y <= 0;	2604	if $x <=0 && $y <= 0;
1851		2605
1852	$map->load;	2606	$map->load;
1853	$map->load_diag;	2607	$map->load_neighbours;
1854		2608
1855	return unless $self->contr->active;	2609	return unless $self->contr->active;
1856	$self->activate_recursive;	2610	$self->activate_recursive;
1857		2611
1858	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2612	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1859	$self->enter_map ($map, $x, $y);	2613	$self->enter_map ($map, $x, $y);
1860	}	2614	}
1861		2615
1862	cf::player->attach (	2616	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1863	on_logout => sub {
1864	my ($pl) = @_;
1865		2617
1866	# abort map switching before logout	2618	Moves the player to the given map-path and coordinates by first freezing
1867	if ($pl->ob->{_link_pos}) {	2619	her, loading and preparing them map, calling the provided $check callback
1868	cf::sync_job {	2620	that has to return the map if sucecssful, and then unfreezes the player on
1869	$pl->ob->leave_link	2621	the new (success) or old (failed) map position. In either case, $done will
1870	};	2622	be called at the end of this process.
1871	}
1872	},
1873	on_login => sub {
1874	my ($pl) = @_;
1875		2623
1876	# try to abort aborted map switching on player login :)	2624	Note that $check will be called with a potentially non-loaded map, so if
1877	# should happen only on crashes	2625	it needs a loaded map it has to call C<< ->load >>.
1878	if ($pl->ob->{_link_pos}) {
1879	$pl->ob->enter_link;
1880	(async {
1881	$pl->ob->reply (undef,
1882	"There was an internal problem at your last logout, "
1883	. "the server will try to bring you to your intended destination in a second.",
1884	cf::NDI_RED);
1885	# we need this sleep as the login has a concurrent enter_exit running
1886	# and this sleep increases chances of the player not ending up in scorn
1887	Coro::Timer::sleep 1;
1888	$pl->ob->leave_link;
1889	})->prio (2);
1890	}
1891	},
1892	);
1893		2626
1894	=item $player_object->goto ($path, $x, $y)
1895
1896	=cut	2627	=cut
		2628
		2629	our $GOTOGEN;
1897		2630
1898	sub cf::object::player::goto {	2631	sub cf::object::player::goto {
1899	my ($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;
1900		2636
1901	$self->enter_link;	2637	$self->enter_link;
1902		2638
1903	(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
1904	my $map = eval {	2661	my $map = eval {
1905	my $map = cf::map::find $path;	2662	my $map = defined $path ? cf::map::find $path : undef;
		2663
		2664	if ($map) {
1906	$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
1907	$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 $@;
1908	} or	2677	}
1909	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1910		2678
		2679	if ($gen == $self->{_goto_generation}) {
		2680	delete $self->{_goto_generation};
1911	$self->leave_link ($map, $x, $y);	2681	$self->leave_link ($map, $x, $y);
		2682	}
		2683
		2684	$done->() if $done;
1912	})->prio (1);	2685	})->prio (1);
1913	}	2686	}
1914		2687
1915	=item $player_object->enter_exit ($exit_object)	2688	=item $player_object->enter_exit ($exit_object)
1916		2689
…		…
1936	}	2709	}
1937		2710
1938	sub prepare_random_map {	2711	sub prepare_random_map {
1939	my ($exit) = @_;	2712	my ($exit) = @_;
1940		2713
1941	my $guard = cf::lock_acquire "exit_prepare:$exit";
1942
1943	# all this does is basically replace the /! path by	2714	# all this does is basically replace the /! path by
1944	# a new random map path (?random/...) with a seed	2715	# a new random map path (?random/...) with a seed
1945	# that depends on the exit object	2716	# that depends on the exit object
1946		2717
1947	my $rmp = parse_random_map_params $exit->msg;	2718	my $rmp = parse_random_map_params $exit->msg;
…		…
1949	if ($exit->map) {	2720	if ($exit->map) {
1950	$rmp->{region} = $exit->region->name;	2721	$rmp->{region} = $exit->region->name;
1951	$rmp->{origin_map} = $exit->map->path;	2722	$rmp->{origin_map} = $exit->map->path;
1952	$rmp->{origin_x} = $exit->x;	2723	$rmp->{origin_x} = $exit->x;
1953	$rmp->{origin_y} = $exit->y;	2724	$rmp->{origin_y} = $exit->y;
		2725
		2726	$exit->map->touch;
1954	}	2727	}
1955		2728
1956	$rmp->{random_seed} ||= $exit->random_seed;	2729	$rmp->{random_seed} ||= $exit->random_seed;
1957		2730
1958	my $data = cf::to_json $rmp;	2731	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1959	my $md5 = Digest::MD5::md5_hex $data;	2732	my $md5 = Digest::MD5::md5_hex $data;
1960	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2733	my $meta = "$RANDOMDIR/$md5.meta";
1961		2734
1962	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2735	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1963	aio_write $fh, 0, (length $data), $data, 0;	2736	aio_write $fh, 0, (length $data), $data, 0;
1964	undef $fh;	2737	undef $fh;
1965	aio_rename "$meta~", $meta;	2738	aio_rename "$meta~", $meta;
1966		2739
		2740	my $slaying = "?random/$md5";
		2741
		2742	if ($exit->valid) {
1967	$exit->slaying ("?random/$md5");	2743	$exit->slaying ("?random/$md5");
1968	$exit->msg (undef);	2744	$exit->msg (undef);
		2745	}
1969	}	2746	}
1970	}	2747	}
1971		2748
1972	sub cf::object::player::enter_exit {	2749	sub cf::object::player::enter_exit {
1973	my ($self, $exit) = @_;	2750	my ($self, $exit) = @_;
1974		2751
1975	return unless $self->type == cf::PLAYER;	2752	return unless $self->type == cf::PLAYER;
1976		2753
1977	if ($exit->slaying eq "/!") {
1978	#TODO: this should de-fi-ni-te-ly not be a sync-job
1979	# the problem is that $exit might not survive long enough
1980	# so it needs to be done right now, right here
1981	cf::sync_job { prepare_random_map $exit };
1982	}
1983
1984	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1985	my $hp = $exit->stats->hp;
1986	my $sp = $exit->stats->sp;
1987
1988	$self->enter_link;	2754	$self->enter_link;
1989		2755
1990	(async {	2756	(async {
1991	$self->deactivate_recursive; # just to be sure	2757	$Coro::current->{desc} = "enter_exit";
		2758
1992	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
1993	$self->goto ($slaying, $hp, $sp);	2774	$self->goto ($map, $x, $y);
1994		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
1995	1;	2780	1
1996	}) {	2781	}) {
1997	$self->message ("Something went wrong deep within the crossfire server. "	2782	$self->message ("Something went wrong deep within the crossfire server. "
1998	. "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. "
1999	. "Please report this to the dungeon master!",	2784	. "Please report this to the dungeon master!",
2000	cf::NDI_UNIQUE | cf::NDI_RED);	2785	cf::NDI_UNIQUE | cf::NDI_RED);
…		…
2021		2806
2022	utf8::encode $text;	2807	utf8::encode $text;
2023	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2808	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2024	}	2809	}
2025		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
2026	=item $client->ext_event ($type, %msg)	2955	=item $client->ext_msg ($type, @msg)
2027		2956
2028	Sends an exti event to the client.	2957	Sends an ext event to the client.
2029		2958
2030	=cut	2959	=cut
2031		2960
2032	sub cf::client::ext_event($$%) {	2961	sub cf::client::ext_msg($$@) {
2033	my ($self, $type, %msg) = @_;	2962	my ($self, $type, @msg) = @_;
2034		2963
		2964	if ($self->extcmd == 2) {
		2965	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2966	} elsif ($self->extcmd == 1) { # TODO: remove
2035	$msg{msgtype} = "event_$type";	2967	push @msg, msgtype => "event_$type";
2036	$self->send_packet ("ext " . cf::to_json \%msg);	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	}
2037	}	2988	}
2038		2989
2039	=item $success = $client->query ($flags, "text", \&cb)	2990	=item $success = $client->query ($flags, "text", \&cb)
2040		2991
2041	Queues a query to the client, calling the given callback with	2992	Queues a query to the client, calling the given callback with
2042	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>,
2043	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>.
2044		2995
2045	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
2046	reliable at some point in the future.	2997	become reliable at some point in the future.
2047		2998
2048	=cut	2999	=cut
2049		3000
2050	sub cf::client::query {	3001	sub cf::client::query {
2051	my ($self, $flags, $text, $cb) = @_;	3002	my ($self, $flags, $text, $cb) = @_;
…		…
2059	utf8::encode $text;	3010	utf8::encode $text;
2060	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3011	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2061		3012
2062	$self->send_packet ($self->{query_queue}[0][0])	3013	$self->send_packet ($self->{query_queue}[0][0])
2063	if @{ $self->{query_queue} } == 1;	3014	if @{ $self->{query_queue} } == 1;
		3015
		3016	1
2064	}	3017	}
2065		3018
2066	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	},
2067	on_reply => sub {	3025	on_reply => sub {
2068	my ($ns, $msg) = @_;	3026	my ($ns, $msg) = @_;
2069		3027
2070	# this weird shuffling is so that direct followup queries	3028	# this weird shuffling is so that direct followup queries
2071	# get handled first	3029	# get handled first
…		…
2083	} else {	3041	} else {
2084	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3042	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2085	}	3043	}
2086	}	3044	}
2087	},	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	},
2088	);	3072	);
2089		3073
2090	=item $client->async (\&cb)	3074	=item $client->async (\&cb)
2091		3075
2092	Create a new coroutine, running the specified callback. The coroutine will	3076	Create a new coroutine, running the specified callback. The coroutine will
…		…
2133	our $safe = new Safe "safe";	3117	our $safe = new Safe "safe";
2134	our $safe_hole = new Safe::Hole;	3118	our $safe_hole = new Safe::Hole;
2135		3119
2136	$SIG{FPE} = 'IGNORE';	3120	$SIG{FPE} = 'IGNORE';
2137		3121
2138	$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	));
2139		3127
2140	# here we export the classes and methods available to script code	3128	# here we export the classes and methods available to script code
2141		3129
2142	=pod	3130	=pod
2143		3131
2144	The following functions and methods are available within a safe environment:	3132	The following functions and methods are available within a safe environment:
2145		3133
2146	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
2147	cf::object::player player	3138	cf::object::player
2148	cf::player peaceful	3139	player
2149	cf::map trigger	3140
		3141	cf::player
		3142	peaceful
		3143
		3144	cf::map
		3145	trigger
2150		3146
2151	=cut	3147	=cut
2152		3148
2153	for (	3149	for (
2154	["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)],
2155	["cf::object::player" => qw(player)],	3153	["cf::object::player" => qw(player)],
2156	["cf::player" => qw(peaceful)],	3154	["cf::player" => qw(peaceful)],
2157	["cf::map" => qw(trigger)],	3155	["cf::map" => qw(trigger)],
2158	) {	3156	) {
2159	no strict 'refs';	3157	no strict 'refs';
…		…
2230	=back	3228	=back
2231		3229
2232	=cut	3230	=cut
2233		3231
2234	#############################################################################	3232	#############################################################################
2235
2236	=head2 EXTENSION DATABASE SUPPORT
2237
2238	Crossfire maintains a very simple database for extension use. It can
2239	currently store anything that can be serialised using Storable, which
2240	excludes objects.
2241
2242	The parameter C<$family> should best start with the name of the extension
2243	using it, it should be unique.
2244
2245	=over 4
2246
2247	=item $value = cf::db_get $family => $key
2248
2249	Returns a single value from the database.
2250
2251	=item cf::db_put $family => $key => $value
2252
2253	Stores the given C<$value> in the family.
2254
2255	=cut
2256
2257	our $DB;
2258
2259	sub db_init {
2260	unless ($DB) {
2261	$DB = BDB::db_create $DB_ENV;
2262
2263	cf::sync_job {
2264	eval {
2265	$DB->set_flags (BDB::CHKSUM);
2266
2267	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2268	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2269	cf::cleanup "db_open(db): $!" if $!;
2270	};
2271	cf::cleanup "db_open(db): $@" if $@;
2272	};
2273
2274	my $path = cf::localdir . "/database.pst";
2275	if (stat $path) {
2276	cf::sync_job {
2277	my $pst = Storable::retrieve $path;
2278
2279	cf::db_put (board => data => $pst->{board});
2280	cf::db_put (guildrules => data => $pst->{guildrules});
2281	cf::db_put (rent => balance => $pst->{rent}{balance});
2282	BDB::db_env_txn_checkpoint $DB_ENV;
2283
2284	unlink $path;
2285	};
2286	}
2287	}
2288	}
2289
2290	sub db_get($$) {
2291	my $key = "$_[0]/$_[1]";
2292
2293	cf::sync_job {
2294	BDB::db_get $DB, undef, $key, my $data;
2295
2296	$! ? ()
2297	: Compress::LZF::sthaw $data
2298	}
2299	}
2300
2301	sub db_put($$$) {
2302	BDB::dbreq_pri 4;
2303	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2304	}
2305
2306	#############################################################################
2307	# the server's init and main functions	3233	# the server's init and main functions
2308		3234
2309	sub load_facedata {	3235	sub load_facedata($) {
2310	my $path = sprintf "%s/facedata", cf::datadir;	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;
2311		3243
2312	warn "loading facedata from $path\n";	3244	warn "loading facedata from $path\n";
2313		3245
2314	my $facedata;	3246	my $facedata;
2315	0 < aio_load $path, $facedata	3247	0 < aio_load $path, $facedata
…		…
2318	$facedata = Coro::Storable::thaw $facedata;	3250	$facedata = Coro::Storable::thaw $facedata;
2319		3251
2320	$facedata->{version} == 2	3252	$facedata->{version} == 2
2321	or cf::cleanup "$path: version mismatch, cannot proceed.";	3253	or cf::cleanup "$path: version mismatch, cannot proceed.";
2322		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
2323	{	3262	{
2324	my $faces = $facedata->{faceinfo};	3263	my $faces = $facedata->{faceinfo};
2325		3264
2326	while (my ($face, $info) = each %$faces) {	3265	while (my ($face, $info) = each %$faces) {
2327	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3266	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3267
2328	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3268	cf::face::set_visibility $idx, $info->{visibility};
		3269	cf::face::set_magicmap $idx, $info->{magicmap};
2329	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3270	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2330	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3271	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2331	Coro::cede;	3272
		3273	cf::cede_to_tick;
2332	}	3274	}
2333		3275
2334	while (my ($face, $info) = each %$faces) {	3276	while (my ($face, $info) = each %$faces) {
2335	next unless $info->{smooth};	3277	next unless $info->{smooth};
		3278
2336	my $idx = cf::face::find $face	3279	my $idx = cf::face::find $face
2337	or next;	3280	or next;
		3281
2338	if (my $smooth = cf::face::find $info->{smooth}) {	3282	if (my $smooth = cf::face::find $info->{smooth}) {
		3283	cf::face::set_smooth $idx, $smooth;
2339	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3284	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2340	} else {	3285	} else {
2341	warn "smooth face '$info->{smooth}' not found for face '$face'";	3286	warn "smooth face '$info->{smooth}' not found for face '$face'";
2342	}	3287	}
2343	Coro::cede;	3288
		3289	cf::cede_to_tick;
2344	}	3290	}
2345	}	3291	}
2346		3292
2347	{	3293	{
2348	my $anims = $facedata->{animinfo};	3294	my $anims = $facedata->{animinfo};
2349		3295
2350	while (my ($anim, $info) = each %$anims) {	3296	while (my ($anim, $info) = each %$anims) {
2351	cf::anim::set $anim, $info->{frames}, $info->{facings};	3297	cf::anim::set $anim, $info->{frames}, $info->{facings};
2352	Coro::cede;	3298	cf::cede_to_tick;
2353	}	3299	}
2354		3300
2355	cf::anim::invalidate_all; # d'oh	3301	cf::anim::invalidate_all; # d'oh
2356	}	3302	}
2357		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
2358	1	3339	1
2359	}	3340	}
2360		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
		3370	sub load_resource_file($) {
		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"
		3386	or die "unable to load regions file\n";
		3387
		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
2361	sub reload_resources {	3409	sub reload_resources {
2362	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3410	warn "reloading resource files...\n";
2363	or die "unable to load regions file\n";#d#	3411
2364	load_facedata	3412	reload_facedata;
2365	or die "unable to load facedata\n";#d#	3413	reload_archetypes;
		3414	reload_regions;
		3415	reload_treasures;
		3416
		3417	warn "finished reloading resource files\n";
2366	}	3418	}
2367		3419
2368	sub init {	3420	sub init {
		3421	my $guard = freeze_mainloop;
		3422
		3423	evthread_start IO::AIO::poll_fileno;
		3424
2369	reload_resources;	3425	reload_resources;
2370	}	3426	}
2371		3427
2372	sub cfg_load {	3428	sub reload_config {
2373	open my $fh, "<:utf8", cf::confdir . "/config"	3429	open my $fh, "<:utf8", "$CONFDIR/config"
2374	or return;	3430	or return;
2375		3431
2376	local $/;	3432	local $/;
2377	*CFG = YAML::Syck::Load <$fh>;	3433	*CFG = YAML::Load <$fh>;
2378		3434
2379	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3435	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2380		3436
2381	$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};
2382	$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};
…		…
2393	sub main {	3449	sub main {
2394	# we must not ever block the main coroutine	3450	# we must not ever block the main coroutine
2395	local $Coro::idle = sub {	3451	local $Coro::idle = sub {
2396	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#
2397	(async {	3453	(async {
2398	Event::one_event;	3454	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3455	EV::loop EV::LOOP_ONESHOT;
2399	})->prio (Coro::PRIO_MAX);	3456	})->prio (Coro::PRIO_MAX);
2400	};	3457	};
2401		3458
2402	cfg_load;	3459	{
		3460	my $guard = freeze_mainloop;
		3461	reload_config;
2403	db_init;	3462	db_init;
2404	load_extensions;	3463	load_extensions;
2405		3464
2406	$TICK_WATCHER->start;	3465	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3466	}
		3467
2407	Event::loop;	3468	EV::loop;
2408	}	3469	}
2409		3470
2410	#############################################################################	3471	#############################################################################
2411	# initialisation and cleanup	3472	# initialisation and cleanup
2412		3473
2413	# install some emergency cleanup handlers	3474	# install some emergency cleanup handlers
2414	BEGIN {	3475	BEGIN {
		3476	our %SIGWATCHER = ();
2415	for my $signal (qw(INT HUP TERM)) {	3477	for my $signal (qw(INT HUP TERM)) {
2416	Event->signal (	3478	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2417	reentrant => 0,
2418	data => WF_AUTOCANCEL,
2419	signal => $signal,
2420	prio => 0,
2421	cb => sub {
2422	cf::cleanup "SIG$signal";	3479	cf::cleanup "SIG$signal";
2423	},
2424	);	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
2425	}	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 };
2426	}	3563	}
2427		3564
2428	sub emergency_save() {	3565	sub emergency_save() {
2429	my $freeze_guard = cf::freeze_mainloop;	3566	my $freeze_guard = cf::freeze_mainloop;
2430		3567
…		…
2436	# and maps saved/destroyed asynchronously.	3573	# and maps saved/destroyed asynchronously.
2437	warn "begin emergency player save\n";	3574	warn "begin emergency player save\n";
2438	for my $login (keys %cf::PLAYER) {	3575	for my $login (keys %cf::PLAYER) {
2439	my $pl = $cf::PLAYER{$login} or next;	3576	my $pl = $cf::PLAYER{$login} or next;
2440	$pl->valid or next;	3577	$pl->valid or next;
		3578	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2441	$pl->save;	3579	$pl->save;
2442	}	3580	}
2443	warn "end emergency player save\n";	3581	warn "end emergency player save\n";
2444		3582
2445	warn "begin emergency map save\n";	3583	warn "begin emergency map save\n";
…		…
2451	warn "end emergency map save\n";	3589	warn "end emergency map save\n";
2452		3590
2453	warn "begin emergency database checkpoint\n";	3591	warn "begin emergency database checkpoint\n";
2454	BDB::db_env_txn_checkpoint $DB_ENV;	3592	BDB::db_env_txn_checkpoint $DB_ENV;
2455	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";
2456	};	3598	};
2457		3599
2458	warn "leave emergency perl save\n";	3600	warn "leave emergency perl save\n";
2459	}	3601	}
2460		3602
…		…
2463		3605
2464	warn Carp::longmess "post_cleanup backtrace"	3606	warn Carp::longmess "post_cleanup backtrace"
2465	if $make_core;	3607	if $make_core;
2466	}	3608	}
2467		3609
		3610	# a safer delete_package, copied from Symbol
		3611	sub clear_package($) {
		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 $RELOAD; # how many times to reload
		3637
2468	sub reload() {	3638	sub do_reload_perl() {
2469	# can/must only be called in main	3639	# can/must only be called in main
2470	if ($Coro::current != $Coro::main) {	3640	if ($Coro::current != $Coro::main) {
2471	warn "can only reload from main coroutine";	3641	warn "can only reload from main coroutine";
2472	return;	3642	return;
2473	}	3643	}
2474		3644
		3645	return if $RELOAD++;
		3646
		3647	while ($RELOAD) {
2475	warn "reloading...";	3648	warn "reloading...";
2476		3649
2477	warn "entering sync_job";	3650	warn "entering sync_job";
2478		3651
2479	cf::sync_job {	3652	cf::sync_job {
2480	cf::write_runtime; # external watchdog should not bark	3653	cf::write_runtime_sync; # external watchdog should not bark
2481	cf::emergency_save;	3654	cf::emergency_save;
2482	cf::write_runtime; # external watchdog should not bark	3655	cf::write_runtime_sync; # external watchdog should not bark
2483		3656
2484	warn "syncing database to disk";	3657	warn "syncing database to disk";
2485	BDB::db_env_txn_checkpoint $DB_ENV;	3658	BDB::db_env_txn_checkpoint $DB_ENV;
2486		3659
2487	# 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
2488		3661
2489	warn "cancelling all WF_AUTOCANCEL watchers";
2490	for (Event::all_watchers) {
2491	$_->cancel if $_->data & WF_AUTOCANCEL;
2492	}
2493
2494	warn "flushing outstanding aio requests";	3662	warn "flushing outstanding aio requests";
2495	for (;;) {
2496	BDB::flush;
2497	IO::AIO::flush;
2498	Coro::cede;
2499	last unless IO::AIO::nreqs || BDB::nreqs;	3663	while (IO::AIO::nreqs || BDB::nreqs) {
2500	warn "iterate...";	3664	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2501	}
2502
2503	++$RELOAD;
2504
2505	warn "cancelling all extension coros";
2506	$_->cancel for values %EXT_CORO;
2507	%EXT_CORO = ();
2508
2509	warn "removing commands";
2510	%COMMAND = ();
2511
2512	warn "removing ext commands";
2513	%EXTCMD = ();
2514
2515	warn "unloading/nuking all extensions";
2516	for my $pkg (@EXTS) {
2517	warn "... unloading $pkg";
2518
2519	if (my $cb = $pkg->can ("unload")) {
2520	eval {
2521	$cb->($pkg);
2522	1
2523	} or warn "$pkg unloaded, but with errors: $@";
2524	}	3665	}
2525		3666
2526	warn "... nuking $pkg";	3667	warn "cancelling all extension coros";
2527	Symbol::delete_package $pkg;	3668	$_->cancel for values %EXT_CORO;
2528	}	3669	%EXT_CORO = ();
2529		3670
2530	warn "unloading all perl modules loaded from $LIBDIR";	3671	warn "removing commands";
2531	while (my ($k, $v) = each %INC) {	3672	%COMMAND = ();
2532	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2533		3673
		3674	warn "removing ext/exti commands";
		3675	%EXTCMD = ();
		3676	%EXTICMD = ();
		3677
		3678	warn "unloading/nuking all extensions";
		3679	for my $pkg (@EXTS) {
2534	warn "... unloading $k";	3680	warn "... unloading $pkg";
2535	delete $INC{$k};
2536		3681
2537	$k =~ s/\.pm$//;
2538	$k =~ s/\//::/g;
2539
2540	if (my $cb = $k->can ("unload_module")) {	3682	if (my $cb = $pkg->can ("unload")) {
		3683	eval {
2541	$cb->();	3684	$cb->($pkg);
		3685	1
		3686	} or warn "$pkg unloaded, but with errors: $@";
		3687	}
		3688
		3689	warn "... clearing $pkg";
		3690	clear_package $pkg;
2542	}	3691	}
2543		3692
2544	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 $k;
2545	}	3708	}
2546		3709
2547	warn "getting rid of safe::, as good as possible";	3710	warn "getting rid of safe::, as good as possible";
2548	Symbol::delete_package "safe::$_"	3711	clear_package "safe::$_"
2549	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);
2550		3713
2551	warn "unloading cf.pm \"a bit\"";	3714	warn "unloading cf.pm \"a bit\"";
2552	delete $INC{"cf.pm"};	3715	delete $INC{"cf.pm"};
		3716	delete $INC{"cf/pod.pm"};
2553		3717
2554	# don't, removes xs symbols, too,	3718	# don't, removes xs symbols, too,
2555	# and global variables created in xs	3719	# and global variables created in xs
2556	#Symbol::delete_package __PACKAGE__;	3720	#clear_package __PACKAGE__;
2557		3721
2558	warn "unload completed, starting to reload now";	3722	warn "unload completed, starting to reload now";
2559		3723
2560	warn "reloading cf.pm";	3724	warn "reloading cf.pm";
2561	require cf;	3725	require cf;
2562	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3726	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2563		3727
2564	warn "loading config and database again";	3728	warn "loading config and database again";
2565	cf::cfg_load;	3729	cf::reload_config;
2566		3730
2567	warn "loading extensions";	3731	warn "loading extensions";
2568	cf::load_extensions;	3732	cf::load_extensions;
2569		3733
2570	warn "reattaching attachments to objects/players";	3734	warn "reattaching attachments to objects/players";
2571	_global_reattach; # objects, sockets	3735	_global_reattach; # objects, sockets
2572	warn "reattaching attachments to maps";	3736	warn "reattaching attachments to maps";
2573	reattach $_ for values %MAP;	3737	reattach $_ for values %MAP;
2574	warn "reattaching attachments to players";	3738	warn "reattaching attachments to players";
2575	reattach $_ for values %PLAYER;	3739	reattach $_ for values %PLAYER;
2576		3740
2577	warn "loading reloadable resources";
2578	reload_resources;
2579
2580	warn "leaving sync_job";	3741	warn "leaving sync_job";
2581		3742
2582	1	3743	1
2583	} or do {	3744	} or do {
2584	warn $@;	3745	warn $@;
2585	warn "error while reloading, exiting.";	3746	cf::cleanup "error while reloading, exiting.";
2586	exit 1;	3747	};
		3748
		3749	warn "reloaded";
		3750	--$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;
2587	};	3763	};
2588		3764	}
2589	warn "reloaded";
2590	};
2591
2592	our $RELOAD_WATCHER; # used only during reload
2593		3765
2594	register_command "reload" => sub {	3766	register_command "reload" => sub {
2595	my ($who, $arg) = @_;	3767	my ($who, $arg) = @_;
2596		3768
2597	if ($who->flag (FLAG_WIZ)) {	3769	if ($who->flag (FLAG_WIZ)) {
2598	$who->message ("reloading server.");	3770	$who->message ("reloading server.");
2599		3771	async {
2600	# doing reload synchronously and two reloads happen back-to-back,	3772	$Coro::current->{desc} = "perl_reload";
2601	# coro crashes during coro_state_free->destroy here.
2602
2603	$RELOAD_WATCHER ||= Event->timer (
2604	reentrant => 0,
2605	after => 0,
2606	data => WF_AUTOCANCEL,
2607	cb => sub {
2608	reload;	3773	reload_perl;
2609	undef $RELOAD_WATCHER;
2610	},
2611	);	3774	};
2612	}	3775	}
2613	};	3776	};
2614		3777
2615	unshift @INC, $LIBDIR;	3778	unshift @INC, $LIBDIR;
2616		3779
2617	my $bug_warning = 0;	3780	my $bug_warning = 0;
2618		3781
2619	$TICK_WATCHER = Event->timer (	3782	our @WAIT_FOR_TICK;
2620	reentrant => 0,	3783	our @WAIT_FOR_TICK_BEGIN;
2621	parked => 1,	3784
2622	prio => 0,	3785	sub wait_for_tick {
2623	at => $NEXT_TICK || $TICK,	3786	return if tick_inhibit || $Coro::current == $Coro::main;
2624	data => WF_AUTOCANCEL,	3787
2625	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	$signal->wait;
		3799	}
		3800
		3801	sub tick {
2626	if ($Coro::current != $Coro::main) {	3802	if ($Coro::current != $Coro::main) {
2627	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3803	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2628	unless ++$bug_warning > 10;	3804	unless ++$bug_warning > 10;
2629	return;	3805	return;
2630	}	3806	}
2631		3807
2632	$NOW = Event::time;
2633
2634	cf::server_tick; # one server iteration	3808	cf::server_tick; # one server iteration
2635	$RUNTIME += $TICK;
2636	$NEXT_TICK += $TICK;
2637		3809
2638	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3810	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2639	$NEXT_RUNTIME_WRITE = $NOW + 10;	3811	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2640	Coro::async_pool {	3812	Coro::async_pool {
		3813	$Coro::current->{desc} = "runtime saver";
2641	write_runtime	3814	write_runtime_sync
2642	or warn "ERROR: unable to write runtime file: $!";	3815	or warn "ERROR: unable to write runtime file: $!";
2643	};
2644	}	3816	};
2645
2646	$WAIT_FOR_TICK->broadcast;
2647	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2648
2649	# my $AFTER = Event::time;
2650	# warn $AFTER - $NOW;#d#
2651
2652	# if we are delayed by four ticks or more, skip them all
2653	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2654
2655	$TICK_WATCHER->at ($NEXT_TICK);
2656	$TICK_WATCHER->start;
2657	},	3817	}
2658	);	3818
		3819	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		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#
		3834	}
		3835	}
		3836	}
2659		3837
2660	{	3838	{
2661	BDB::max_poll_time $TICK * 0.1;	3839	# configure BDB
2662	$BDB_POLL_WATCHER = Event->io (	3840
2663	reentrant => 0,
2664	fd => BDB::poll_fileno,
2665	poll => 'r',
2666	prio => 0,
2667	data => WF_AUTOCANCEL,
2668	cb => \&BDB::poll_cb,
2669	);
2670	BDB::min_parallel 8;	3841	BDB::min_parallel 8;
2671		3842	BDB::max_poll_reqs $TICK * 0.1;
2672	BDB::set_sync_prepare {	3843	$AnyEvent::BDB::WATCHER->priority (1);
2673	my $status;
2674	my $current = $Coro::current;
2675	(
2676	sub {
2677	$status = $!;
2678	$current->ready; undef $current;
2679	},
2680	sub {
2681	Coro::schedule while defined $current;
2682	$! = $status;
2683	},
2684	)
2685	};
2686		3844
2687	unless ($DB_ENV) {	3845	unless ($DB_ENV) {
2688	$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);
2689		3852
2690	cf::sync_job {	3853	cf::sync_job {
2691	eval {	3854	eval {
2692	BDB::db_env_open	3855	BDB::db_env_open
2693	$DB_ENV,	3856	$DB_ENV,
2694	$BDB_ENV_DIR,	3857	$BDBDIR,
2695	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3858	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2696	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3859	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2697	0666;	3860	0666;
2698		3861
2699	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3862	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2700
2701	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2702	$DB_ENV->set_lk_detect;
2703	};	3863	};
2704		3864
2705	cf::cleanup "db_env_open(db): $@" if $@;	3865	cf::cleanup "db_env_open(db): $@" if $@;
2706	};	3866	};
2707	}	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	};
2708	}	3878	}
2709		3879
2710	{	3880	{
		3881	# configure IO::AIO
		3882
2711	IO::AIO::min_parallel 8;	3883	IO::AIO::min_parallel 8;
2712
2713	undef $Coro::AIO::WATCHER;
2714	IO::AIO::max_poll_time $TICK * 0.1;	3884	IO::AIO::max_poll_time $TICK * 0.1;
2715	$AIO_POLL_WATCHER = Event->io (	3885	undef $AnyEvent::AIO::WATCHER;
2716	reentrant => 0,
2717	data => WF_AUTOCANCEL,
2718	fd => IO::AIO::poll_fileno,
2719	poll => 'r',
2720	prio => 6,
2721	cb => \&IO::AIO::poll_cb,
2722	);
2723	}	3886	}
		3887
		3888	my $_log_backtrace;
		3889
		3890	sub _log_backtrace {
		3891	my ($msg, @addr) = @_;
		3892
		3893	$msg =~ s/\n//;
		3894
		3895	# limit the # of concurrent backtraces
		3896	if ($_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";
		3925	}
		3926	}
		3927
		3928	# load additional modules
		3929	use cf::pod;
2724		3930
2725	END { cf::emergency_save }	3931	END { cf::emergency_save }
2726		3932
2727	1	3933	1
2728		3934

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