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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.264 by root, Sun May 6 05:44:48 2007 UTC vs.
Revision 1.450 by root, Mon Sep 22 01:33:09 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 Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
15	use Coro 3.61 ();	37	use Coro ();
16	use Coro::State;	38	use Coro::State;
17	use Coro::Handle;	39	use Coro::Handle;
		40	use Coro::EV;
18	use Coro::Event;	41	use Coro::AnyEvent;
19	use Coro::Timer;	42	use Coro::Timer;
20	use Coro::Signal;	43	use Coro::Signal;
21	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
22	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
23	use Coro::Storable;	48	use Coro::Storable;
		49	use Coro::Util ();
24		50
		51	use JSON::XS 2.01 ();
25	use BDB ();	52	use BDB ();
26	use Data::Dumper;	53	use Data::Dumper;
27	use Digest::MD5;	54	use Digest::MD5;
28	use Fcntl;	55	use Fcntl;
29	use YAML::Syck ();	56	use YAML ();
30	use IO::AIO 2.32 ();	57	use IO::AIO ();
31	use Time::HiRes;	58	use Time::HiRes;
32	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
33		63
34	# configure various modules to our taste	64	# configure various modules to our taste
35	#	65	#
36	$Storable::canonical = 1; # reduce rsync transfers	66	$Storable::canonical = 1; # reduce rsync transfers
37	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
		68
		69	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		70
		71	# make sure c-lzf reinitialises itself
		72	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	73	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		74
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		76
49	our %COMMAND = ();	77	our %COMMAND = ();
50	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
51		79
52	our @EXTS = (); # list of extension package names	80	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	81	our %EXTCMD = ();
		82	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	83	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	84	our %EXT_MAP = (); # pluggable maps
56		85
57	our $RELOAD; # number of reloads so far	86	our $RELOAD; # number of reloads so far
58	our @EVENT;	87	our @EVENT;
59		88
60	our $CONFDIR = confdir;	89	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	90	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	91	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	92	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	93	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	94	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	95	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	96	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	97	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	98	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	99	our $BDBDIR = "$LOCALDIR/db";
		100	our $PIDFILE = "$LOCALDIR/pid";
		101	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		102
		103	our %RESOURCE;
71		104
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	105	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	107	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		109
		110	our $BDB_DEADLOCK_WATCHER;
		111	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	112	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	113	our $DB_ENV;
82		114
83	our %CFG;	115	our %CFG;
84		116
85	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
87		120
88	our %PLAYER; # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	123	our $LINK_MAP; # the special {link} map, which is always available
91		124
92	# used to convert map paths into valid unix filenames by replacing / by ∕	125	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		127
		128	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		129	our $LOADAVG; # same thing, but with alpha-smoothing
		130	our $JITTER; # average jitter
		131	our $TICK_START; # for load detecting purposes
		132
95	binmode STDOUT;	133	binmode STDOUT;
96	binmode STDERR;	134	binmode STDERR;
97		135
98	# read virtual server time, if available	136	# read virtual server time, if available
99	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	137	unless ($RUNTIME || !-e $RUNTIMEFILE) {
100	open my $fh, "<", "$LOCALDIR/runtime"	138	open my $fh, "<", $RUNTIMEFILE
101	or die "unable to read runtime file: $!";	139	or die "unable to read $RUNTIMEFILE file: $!";
102	$RUNTIME = <$fh> + 0.;	140	$RUNTIME = <$fh> + 0.;
103	}	141	}
104		142
105	mkdir $_	143	mkdir $_
106	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	144	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
139		177
140	=item $cf::TICK	178	=item $cf::TICK
141		179
142	The interval between server ticks, in seconds.	180	The interval between server ticks, in seconds.
143		181
		182	=item $cf::LOADAVG
		183
		184	The current CPU load on the server (alpha-smoothed), as a value between 0
		185	(none) and 1 (overloaded), indicating how much time is spent on processing
		186	objects per tick. Healthy values are < 0.5.
		187
		188	=item $cf::LOAD
		189
		190	The raw value load value from the last tick.
		191
144	=item %cf::CFG	192	=item %cf::CFG
145		193
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	194	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147	from wherever your confdir points to.	195	from wherever your confdir points to.
148		196
149	=item cf::wait_for_tick, cf::wait_for_tick_begin	197	=item cf::wait_for_tick, cf::wait_for_tick_begin
150		198
151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	199	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
152	returns directly I<after> the tick processing (and consequently, can only wake one process	200	returns directly I<after> the tick processing (and consequently, can only wake one process
153	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	201	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
154		202
		203	=item @cf::INVOKE_RESULTS
		204
		205	This array contains the results of the last C<invoke ()> call. When
		206	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		207	that call.
		208
155	=back	209	=back
156		210
157	=cut	211	=cut
158		212
159	BEGIN {	213	BEGIN {
…		…
163	$msg .= "\n"	217	$msg .= "\n"
164	unless $msg =~ /\n$/;	218	unless $msg =~ /\n$/;
165		219
166	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	220	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167		221
168	utf8::encode $msg;
169	LOG llevError, $msg;	222	LOG llevError, $msg;
170	};	223	};
171	}	224	}
		225
		226	$Coro::State::DIEHOOK = sub {
		227	return unless $^S eq 0; # "eq", not "=="
		228
		229	if ($Coro::current == $Coro::main) {#d#
		230	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		231	return;#d#
		232	}#d#
		233
		234	# kill coroutine otherwise
		235	warn Carp::longmess $_[0];
		236	Coro::terminate
		237	};
		238
		239	$SIG{__DIE__} = sub { }; #d#?
172		240
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	241	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	242	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	243	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	244	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	245	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		246	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	247	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179		248
180	# we bless all objects into (empty) derived classes to force a method lookup	249	# we bless all objects into (empty) derived classes to force a method lookup
181	# within the Safe compartment.	250	# within the Safe compartment.
182	for my $pkg (qw(	251	for my $pkg (qw(
183	cf::global cf::attachable	252	cf::global cf::attachable
184	cf::object cf::object::player	253	cf::object cf::object::player
185	cf::client cf::player	254	cf::client cf::player
186	cf::arch cf::living	255	cf::arch cf::living
		256	cf::map cf::mapspace
187	cf::map cf::party cf::region	257	cf::party cf::region
188	)) {	258	)) {
189	no strict 'refs';
190	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	259	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191	}	260	}
192		261
193	$Event::DIED = sub {	262	$EV::DIED = sub {
194	warn "error in event callback: @_";	263	warn "error in event callback: @_";
195	};	264	};
		265
		266	#############################################################################
196		267
197	=head2 UTILITY FUNCTIONS	268	=head2 UTILITY FUNCTIONS
198		269
199	=over 4	270	=over 4
200		271
…		…
219	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	290	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220	$d	291	$d
221	} || "[unable to dump $_[0]: '$@']";	292	} || "[unable to dump $_[0]: '$@']";
222	}	293	}
223		294
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226	=item $ref = cf::from_json $json	295	=item $ref = cf::decode_json $json
227		296
228	Converts a JSON string into the corresponding perl data structure.	297	Converts a JSON string into the corresponding perl data structure.
229		298
230	=item $json = cf::to_json $ref	299	=item $json = cf::encode_json $ref
231		300
232	Converts a perl data structure into its JSON representation.	301	Converts a perl data structure into its JSON representation.
		302
		303	=cut
		304
		305	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		306
		307	sub encode_json($) { $json_coder->encode ($_[0]) }
		308	sub decode_json($) { $json_coder->decode ($_[0]) }
233		309
234	=item cf::lock_wait $string	310	=item cf::lock_wait $string
235		311
236	Wait until the given lock is available. See cf::lock_acquire.	312	Wait until the given lock is available. See cf::lock_acquire.
237		313
…		…
240	Wait until the given lock is available and then acquires it and returns	316	Wait until the given lock is available and then acquires it and returns
241	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	317	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
242	for example when the coroutine gets canceled), the lock is automatically	318	for example when the coroutine gets canceled), the lock is automatically
243	returned.	319	returned.
244		320
		321	Locks are *not* recursive, locking from the same coro twice results in a
		322	deadlocked coro.
		323
245	Lock names should begin with a unique identifier (for example, cf::map::find	324	Lock names should begin with a unique identifier (for example, cf::map::find
246	uses map_find and cf::map::load uses map_load).	325	uses map_find and cf::map::load uses map_load).
247		326
248	=item $locked = cf::lock_active $string	327	=item $locked = cf::lock_active $string
249		328
250	Return true if the lock is currently active, i.e. somebody has locked it.	329	Return true if the lock is currently active, i.e. somebody has locked it.
251		330
252	=cut	331	=cut
253		332
254	our %LOCK;	333	our %LOCK;
		334	our %LOCKER;#d#
255		335
256	sub lock_wait($) {	336	sub lock_wait($) {
257	my ($key) = @_;	337	my ($key) = @_;
		338
		339	if ($LOCKER{$key} == $Coro::current) {#d#
		340	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		341	return;#d#
		342	}#d#
258		343
259	# wait for lock, if any	344	# wait for lock, if any
260	while ($LOCK{$key}) {	345	while ($LOCK{$key}) {
261	push @{ $LOCK{$key} }, $Coro::current;	346	push @{ $LOCK{$key} }, $Coro::current;
262	Coro::schedule;	347	Coro::schedule;
…		…
268		353
269	# wait, to be sure we are not locked	354	# wait, to be sure we are not locked
270	lock_wait $key;	355	lock_wait $key;
271		356
272	$LOCK{$key} = [];	357	$LOCK{$key} = [];
		358	$LOCKER{$key} = $Coro::current;#d#
273		359
274	Coro::guard {	360	Coro::guard {
		361	delete $LOCKER{$key};#d#
275	# wake up all waiters, to be on the safe side	362	# wake up all waiters, to be on the safe side
276	$_->ready for @{ delete $LOCK{$key} };	363	$_->ready for @{ delete $LOCK{$key} };
277	}	364	}
278	}	365	}
279		366
…		…
282		369
283	! ! $LOCK{$key}	370	! ! $LOCK{$key}
284	}	371	}
285		372
286	sub freeze_mainloop {	373	sub freeze_mainloop {
287	return unless $TICK_WATCHER->is_active;	374	tick_inhibit_inc;
288		375
289	my $guard = Coro::guard {	376	Coro::guard \&tick_inhibit_dec;
290	$TICK_WATCHER->start;	377	}
		378
		379	=item cf::periodic $interval, $cb
		380
		381	Like EV::periodic, but randomly selects a starting point so that the actions
		382	get spread over timer.
		383
		384	=cut
		385
		386	sub periodic($$) {
		387	my ($interval, $cb) = @_;
		388
		389	my $start = rand List::Util::min 180, $interval;
		390
		391	EV::periodic $start, $interval, 0, $cb
		392	}
		393
		394	=item cf::get_slot $time[, $priority[, $name]]
		395
		396	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		397	This call blocks and returns only when you have at least C<$time> seconds
		398	of cpu time till the next tick. The slot is only valid till the next cede.
		399
		400	The optional C<$name> can be used to identify the job to run. It might be
		401	used for statistical purposes and should identify the same time-class.
		402
		403	Useful for short background jobs.
		404
		405	=cut
		406
		407	our @SLOT_QUEUE;
		408	our $SLOT_QUEUE;
		409
		410	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		411	$SLOT_QUEUE = Coro::async {
		412	$Coro::current->desc ("timeslot manager");
		413
		414	my $signal = new Coro::Signal;
		415
		416	while () {
		417	next_job:
		418	my $avail = cf::till_tick;
		419	if ($avail > 0.01) {
		420	for (0 .. $#SLOT_QUEUE) {
		421	if ($SLOT_QUEUE[$_][0] < $avail) {
		422	my $job = splice @SLOT_QUEUE, $_, 1, ();
		423	$job->[2]->send;
		424	Coro::cede;
		425	goto next_job;
		426	}
		427	}
		428	}
		429
		430	if (@SLOT_QUEUE) {
		431	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		432	push @cf::WAIT_FOR_TICK, $signal;
		433	$signal->wait;
		434	} else {
		435	Coro::schedule;
		436	}
291	};	437	}
292	$TICK_WATCHER->stop;	438	};
293	$guard	439
		440	sub get_slot($;$$) {
		441	return if tick_inhibit || $Coro::current == $Coro::main;
		442
		443	my ($time, $pri, $name) = @_;
		444
		445	$time = $TICK * .6 if $time > $TICK * .6;
		446	my $sig = new Coro::Signal;
		447
		448	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		449	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		450	$SLOT_QUEUE->ready;
		451	$sig->wait;
294	}	452	}
295		453
296	=item cf::async { BLOCK }	454	=item cf::async { BLOCK }
297		455
298	Currently the same as Coro::async_pool, meaning you cannot use	456	Currently the same as Coro::async_pool, meaning you cannot use
…		…
303		461
304	BEGIN { *async = \&Coro::async_pool }	462	BEGIN { *async = \&Coro::async_pool }
305		463
306	=item cf::sync_job { BLOCK }	464	=item cf::sync_job { BLOCK }
307		465
308	The design of crossfire+ requires that the main coro ($Coro::main) is	466	The design of Deliantra requires that the main coroutine ($Coro::main)
309	always able to handle events or runnable, as crossfire+ is only partly	467	is always able to handle events or runnable, as Deliantra is only
310	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	468	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		469	acceptable.
311		470
312	If it must be done, put the blocking parts into C<sync_job>. This will run	471	If it must be done, put the blocking parts into C<sync_job>. This will run
313	the given BLOCK in another coroutine while waiting for the result. The	472	the given BLOCK in another coroutine while waiting for the result. The
314	server will be frozen during this time, so the block should either finish	473	server will be frozen during this time, so the block should either finish
315	fast or be very important.	474	fast or be very important.
…		…
318		477
319	sub sync_job(&) {	478	sub sync_job(&) {
320	my ($job) = @_;	479	my ($job) = @_;
321		480
322	if ($Coro::current == $Coro::main) {	481	if ($Coro::current == $Coro::main) {
		482	my $time = EV::time;
		483
323	# this is the main coro, too bad, we have to block	484	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	485	# till the operation succeeds, freezing the server :/
325		486
326	# TODO: use suspend/resume instead	487	LOG llevError, Carp::longmess "sync job";#d#
327	# (but this is cancel-safe)	488
328	my $freeze_guard = freeze_mainloop;	489	my $freeze_guard = freeze_mainloop;
329		490
330	my $busy = 1;	491	my $busy = 1;
331	my @res;	492	my @res;
332		493
333	(async {	494	(async {
		495	$Coro::current->desc ("sync job coro");
334	@res = eval { $job->() };	496	@res = eval { $job->() };
335	warn $@ if $@;	497	warn $@ if $@;
336	undef $busy;	498	undef $busy;
337	})->prio (Coro::PRIO_MAX);	499	})->prio (Coro::PRIO_MAX);
338		500
339	while ($busy) {	501	while ($busy) {
340	Coro::cede or Event::one_event;	502	if (Coro::nready) {
		503	Coro::cede_notself;
		504	} else {
		505	EV::loop EV::LOOP_ONESHOT;
341	}	506	}
		507	}
		508
		509	my $time = EV::time - $time;
		510
		511	$TICK_START += $time; # do not account sync jobs to server load
342		512
343	wantarray ? @res : $res[0]	513	wantarray ? @res : $res[0]
344	} else {	514	} else {
345	# we are in another coroutine, how wonderful, everything just works	515	# we are in another coroutine, how wonderful, everything just works
346		516
…		…
366	$EXT_CORO{$coro+0} = $coro;	536	$EXT_CORO{$coro+0} = $coro;
367		537
368	$coro	538	$coro
369	}	539	}
370		540
371	sub write_runtime {	541	=item fork_call { }, $args
372	my $runtime = "$LOCALDIR/runtime";
373		542
374	# first touch the runtime file to show we are still running:	543	Executes the given code block with the given arguments in a seperate
375	# the fsync below can take a very very long time.	544	process, returning the results. Everything must be serialisable with
		545	Coro::Storable. May, of course, block. Note that the executed sub may
		546	never block itself or use any form of event handling.
376		547
377	warn "touching runtime...\n";#d#	548	=cut
378	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	549
379	utime undef, undef, $fh;	550	sub fork_call(&@) {
		551	my ($cb, @args) = @_;
		552
		553	# we seemingly have to make a local copy of the whole thing,
		554	# otherwise perl prematurely frees the stuff :/
		555	# TODO: investigate and fix (likely this will be rather laborious)
		556
		557	my @res = Coro::Util::fork_eval {
		558	reset_signals;
		559	&$cb
		560	}, @args;
		561
		562	wantarray ? @res : $res[-1]
		563	}
		564
		565	=item $coin = coin_from_name $name
		566
		567	=cut
		568
		569	our %coin_alias = (
		570	"silver" => "silvercoin",
		571	"silvercoin" => "silvercoin",
		572	"silvercoins" => "silvercoin",
		573	"gold" => "goldcoin",
		574	"goldcoin" => "goldcoin",
		575	"goldcoins" => "goldcoin",
		576	"platinum" => "platinacoin",
		577	"platinumcoin" => "platinacoin",
		578	"platinumcoins" => "platinacoin",
		579	"platina" => "platinacoin",
		580	"platinacoin" => "platinacoin",
		581	"platinacoins" => "platinacoin",
		582	"royalty" => "royalty",
		583	"royalties" => "royalty",
		584	);
		585
		586	sub coin_from_name($) {
		587	$coin_alias{$_[0]}
		588	? cf::arch::find $coin_alias{$_[0]}
		589	: undef
		590	}
		591
		592	=item $value = cf::db_get $family => $key
		593
		594	Returns a single value from the environment database.
		595
		596	=item cf::db_put $family => $key => $value
		597
		598	Stores the given C<$value> in the family. It can currently store binary
		599	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		600
		601	=item $db = cf::db_table "name"
		602
		603	Create and/or open a new database table. The string must not be "db" and must be unique
		604	within each server.
		605
		606	=cut
		607
		608	sub db_table($) {
		609	my ($name) = @_;
		610	my $db = BDB::db_create $DB_ENV;
		611
		612	eval {
		613	$db->set_flags (BDB::CHKSUM);
		614
		615	utf8::encode $name;
		616	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		617	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		618	cf::cleanup "db_open(db): $!" if $!;
380	}	619	};
		620	cf::cleanup "db_open(db): $@" if $@;
381		621
382	my $guard = cf::lock_acquire "write_runtime";	622	$db
		623	}
383		624
384	warn "starting to write runtime...\n";#d#	625	our $DB;
385	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
386	or return;
387		626
388	my $value = $cf::RUNTIME + 90 + 10;	627	sub db_init {
389	# 10 is the runtime save interval, for a monotonic clock	628	cf::sync_job {
390	# 60 allows for the watchdog to kill the server.	629	$DB ||= db_table "db";
		630	};
		631	}
391		632
392	(aio_write $fh, 0, (length $value), $value, 0) <= 0	633	sub db_get($$) {
393	and return;	634	my $key = "$_[0]/$_[1]";
394		635
395	# always fsync - this file is important	636	cf::sync_job {
396	aio_fsync $fh	637	BDB::db_get $DB, undef, $key, my $data;
397	and return;
398		638
399	# touch it again to show we are up-to-date	639	$! ? ()
400	utime undef, undef, $fh;	640	: $data
401
402	close $fh
403	or return;
404
405	aio_rename "$runtime~", $runtime
406	and return;
407
408	warn "... done writing runtime.\n";#d#
409
410	1	641	}
		642	}
		643
		644	sub db_put($$$) {
		645	BDB::dbreq_pri 4;
		646	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		647	}
		648
		649	=item cf::cache $id => [$paths...], $processversion => $process
		650
		651	Generic caching function that returns the value of the resource $id,
		652	caching and regenerating as required.
		653
		654	This function can block.
		655
		656	=cut
		657
		658	sub cache {
		659	my ($id, $src, $processversion, $process) = @_;
		660
		661	my $meta =
		662	join "\x00",
		663	$processversion,
		664	map {
		665	aio_stat $_
		666	and Carp::croak "$_: $!";
		667
		668	($_, (stat _)[7,9])
		669	} @$src;
		670
		671	my $dbmeta = db_get cache => "$id/meta";
		672	if ($dbmeta ne $meta) {
		673	# changed, we may need to process
		674
		675	my @data;
		676	my $md5;
		677
		678	for (0 .. $#$src) {
		679	0 <= aio_load $src->[$_], $data[$_]
		680	or Carp::croak "$src->[$_]: $!";
		681	}
		682
		683	# if processing is expensive, check
		684	# checksum first
		685	if (1) {
		686	$md5 =
		687	join "\x00",
		688	$processversion,
		689	map {
		690	cf::cede_to_tick;
		691	($src->[$_], Digest::MD5::md5_hex $data[$_])
		692	} 0.. $#$src;
		693
		694
		695	my $dbmd5 = db_get cache => "$id/md5";
		696	if ($dbmd5 eq $md5) {
		697	db_put cache => "$id/meta", $meta;
		698
		699	return db_get cache => "$id/data";
		700	}
		701	}
		702
		703	my $t1 = Time::HiRes::time;
		704	my $data = $process->(\@data);
		705	my $t2 = Time::HiRes::time;
		706
		707	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		708
		709	db_put cache => "$id/data", $data;
		710	db_put cache => "$id/md5" , $md5;
		711	db_put cache => "$id/meta", $meta;
		712
		713	return $data;
		714	}
		715
		716	db_get cache => "$id/data"
411	}	717	}
412		718
413	=item cf::datalog type => key => value, ...	719	=item cf::datalog type => key => value, ...
414		720
415	Log a datalog packet of the given type with the given key-value pairs.	721	Log a datalog packet of the given type with the given key-value pairs.
…		…
427		733
428	#############################################################################	734	#############################################################################
429		735
430	=head2 ATTACHABLE OBJECTS	736	=head2 ATTACHABLE OBJECTS
431		737
432	Many objects in crossfire are so-called attachable objects. That means you can	738	Many objects in deliantra are so-called attachable objects. That means you can
433	attach callbacks/event handlers (a collection of which is called an "attachment")	739	attach callbacks/event handlers (a collection of which is called an "attachment")
434	to it. All such attachable objects support the following methods.	740	to it. All such attachable objects support the following methods.
435		741
436	In the following description, CLASS can be any of C<global>, C<object>	742	In the following description, CLASS can be any of C<global>, C<object>
437	C<player>, C<client> or C<map> (i.e. the attachable objects in	743	C<player>, C<client> or C<map> (i.e. the attachable objects in
438	crossfire+).	744	Deliantra).
439		745
440	=over 4	746	=over 4
441		747
442	=item $attachable->attach ($attachment, key => $value...)	748	=item $attachable->attach ($attachment, key => $value...)
443		749
…		…
487	=item cf::CLASS::attachment $name, ...	793	=item cf::CLASS::attachment $name, ...
488		794
489	Register an attachment by C<$name> through which attachable objects of the	795	Register an attachment by C<$name> through which attachable objects of the
490	given CLASS can refer to this attachment.	796	given CLASS can refer to this attachment.
491		797
492	Some classes such as crossfire maps and objects can specify attachments	798	Some classes such as deliantra maps and objects can specify attachments
493	that are attached at load/instantiate time, thus the need for a name.	799	that are attached at load/instantiate time, thus the need for a name.
494		800
495	These calls expect any number of the following handler/hook descriptions:	801	These calls expect any number of the following handler/hook descriptions:
496		802
497	=over 4	803	=over 4
…		…
606	$registry = $CB_TYPE[$object_type] ||= [];	912	$registry = $CB_TYPE[$object_type] ||= [];
607		913
608	} elsif ($type eq "subtype") {	914	} elsif ($type eq "subtype") {
609	defined $object_type or Carp::croak "subtype specified without type";	915	defined $object_type or Carp::croak "subtype specified without type";
610	my $object_subtype = shift @arg;	916	my $object_subtype = shift @arg;
611	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	917	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
612		918
613	} elsif ($type eq "package") {	919	} elsif ($type eq "package") {
614	my $pkg = shift @arg;	920	my $pkg = shift @arg;
615		921
616	while (my ($name, $id) = each %cb_id) {	922	while (my ($name, $id) = each %cb_id) {
…		…
645	_attach $registry, $klass, @attach;	951	_attach $registry, $klass, @attach;
646	}	952	}
647		953
648	$obj->{$name} = \%arg;	954	$obj->{$name} = \%arg;
649	} else {	955	} else {
650	warn "object uses attachment '$name' that is not available, postponing.\n";	956	warn "object uses attachment '$name' which is not available, postponing.\n";
651	}	957	}
652		958
653	$obj->{_attachment}{$name} = undef;	959	$obj->{_attachment}{$name} = undef;
654	}	960	}
655		961
…		…
657	if (ref $_[0]) {	963	if (ref $_[0]) {
658	_object_attach @_;	964	_object_attach @_;
659	} else {	965	} else {
660	_attach shift->_attach_registry, @_;	966	_attach shift->_attach_registry, @_;
661	}	967	}
		968	_recalc_want;
662	};	969	};
663		970
664	# all those should be optimised	971	# all those should be optimised
665	sub cf::attachable::detach {	972	sub cf::attachable::detach {
666	my ($obj, $name) = @_;	973	my ($obj, $name) = @_;
…		…
669	delete $obj->{_attachment}{$name};	976	delete $obj->{_attachment}{$name};
670	reattach ($obj);	977	reattach ($obj);
671	} else {	978	} else {
672	Carp::croak "cannot, currently, detach class attachments";	979	Carp::croak "cannot, currently, detach class attachments";
673	}	980	}
		981	_recalc_want;
674	};	982	};
675		983
676	sub cf::attachable::attached {	984	sub cf::attachable::attached {
677	my ($obj, $name) = @_;	985	my ($obj, $name) = @_;
678		986
…		…
693	";	1001	";
694	die if $@;	1002	die if $@;
695	}	1003	}
696		1004
697	our $override;	1005	our $override;
698	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1006	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
699		1007
700	sub override {	1008	sub override {
701	$override = 1;	1009	$override = 1;
702	@invoke_results = ();	1010	@INVOKE_RESULTS = (@_);
703	}	1011	}
704		1012
705	sub do_invoke {	1013	sub do_invoke {
706	my $event = shift;	1014	my $event = shift;
707	my $callbacks = shift;	1015	my $callbacks = shift;
708		1016
709	@invoke_results = ();	1017	@INVOKE_RESULTS = ();
710		1018
711	local $override;	1019	local $override;
712		1020
713	for (@$callbacks) {	1021	for (@$callbacks) {
714	eval { &{$_->[1]} };	1022	eval { &{$_->[1]} };
…		…
723	}	1031	}
724		1032
725	0	1033	0
726	}	1034	}
727		1035
728	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1036	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
729		1037
730	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1038	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
731		1039
732	Generate an object-specific event with the given arguments.	1040	Generate an object-specific event with the given arguments.
733		1041
734	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1042	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
735	removed in future versions), and there is no public API to access override	1043	removed in future versions), and there is no public API to access override
736	results (if you must, access C<@cf::invoke_results> directly).	1044	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
737		1045
738	=back	1046	=back
739		1047
740	=cut	1048	=cut
741		1049
742	#############################################################################	1050	#############################################################################
743	# object support	1051	# object support
		1052
		1053	sub _object_equal($$);
		1054	sub _object_equal($$) {
		1055	my ($a, $b) = @_;
		1056
		1057	return 0 unless (ref $a) eq (ref $b);
		1058
		1059	if ("HASH" eq ref $a) {
		1060	my @ka = keys %$a;
		1061	my @kb = keys %$b;
		1062
		1063	return 0 if @ka != @kb;
		1064
		1065	for (0 .. $#ka) {
		1066	return 0 unless $ka[$_] eq $kb[$_];
		1067	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1068	}
		1069
		1070	} elsif ("ARRAY" eq ref $a) {
		1071
		1072	return 0 if @$a != @$b;
		1073
		1074	for (0 .. $#$a) {
		1075	return 0 unless _object_equal $a->[$_], $b->[$_];
		1076	}
		1077
		1078	} elsif ($a ne $b) {
		1079	return 0;
		1080	}
		1081
		1082	1
		1083	}
		1084
		1085	our $SLOW_MERGES;#d#
		1086	sub _can_merge {
		1087	my ($ob1, $ob2) = @_;
		1088
		1089	++$SLOW_MERGES;#d#
		1090
		1091	# we do the slow way here
		1092	return _object_equal $ob1, $ob2
		1093	}
744		1094
745	sub reattach {	1095	sub reattach {
746	# basically do the same as instantiate, without calling instantiate	1096	# basically do the same as instantiate, without calling instantiate
747	my ($obj) = @_;	1097	my ($obj) = @_;
748		1098
		1099	# no longer needed after getting rid of delete_package?
749	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1100	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
750		1101
751	my $registry = $obj->registry;	1102	my $registry = $obj->registry;
752		1103
753	@$registry = ();	1104	@$registry = ();
754		1105
…		…
769	cf::attachable->attach (	1120	cf::attachable->attach (
770	prio => -1000000,	1121	prio => -1000000,
771	on_instantiate => sub {	1122	on_instantiate => sub {
772	my ($obj, $data) = @_;	1123	my ($obj, $data) = @_;
773		1124
774	$data = from_json $data;	1125	$data = decode_json $data;
775		1126
776	for (@$data) {	1127	for (@$data) {
777	my ($name, $args) = @$_;	1128	my ($name, $args) = @$_;
778		1129
779	$obj->attach ($name, %{$args || {} });	1130	$obj->attach ($name, %{$args || {} });
…		…
795	sub object_freezer_save {	1146	sub object_freezer_save {
796	my ($filename, $rdata, $objs) = @_;	1147	my ($filename, $rdata, $objs) = @_;
797		1148
798	sync_job {	1149	sync_job {
799	if (length $$rdata) {	1150	if (length $$rdata) {
		1151	utf8::decode (my $decname = $filename);
800	warn sprintf "saving %s (%d,%d)\n",	1152	warn sprintf "saving %s (%d,%d)\n",
801	$filename, length $$rdata, scalar @$objs;	1153	$decname, length $$rdata, scalar @$objs;
802		1154
803	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1155	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
804	chmod SAVE_MODE, $fh;	1156	aio_chmod $fh, SAVE_MODE;
805	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1157	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
806	aio_fsync $fh if $cf::USE_FSYNC;	1158	aio_fsync $fh if $cf::USE_FSYNC;
807	close $fh;	1159	aio_close $fh;
808		1160
809	if (@$objs) {	1161	if (@$objs) {
810	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1162	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
811	chmod SAVE_MODE, $fh;	1163	aio_chmod $fh, SAVE_MODE;
812	my $data = Storable::nfreeze { version => 1, objs => $objs };	1164	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
813	aio_write $fh, 0, (length $data), $data, 0;	1165	aio_write $fh, 0, (length $data), $data, 0;
814	aio_fsync $fh if $cf::USE_FSYNC;	1166	aio_fsync $fh if $cf::USE_FSYNC;
815	close $fh;	1167	aio_close $fh;
816	aio_rename "$filename.pst~", "$filename.pst";	1168	aio_rename "$filename.pst~", "$filename.pst";
817	}	1169	}
818	} else {	1170	} else {
819	aio_unlink "$filename.pst";	1171	aio_unlink "$filename.pst";
820	}	1172	}
…		…
825	}	1177	}
826	} else {	1178	} else {
827	aio_unlink $filename;	1179	aio_unlink $filename;
828	aio_unlink "$filename.pst";	1180	aio_unlink "$filename.pst";
829	}	1181	}
830	}	1182	};
831	}	1183	}
832		1184
833	sub object_freezer_as_string {	1185	sub object_freezer_as_string {
834	my ($rdata, $objs) = @_;	1186	my ($rdata, $objs) = @_;
835		1187
…		…
847	or return;	1199	or return;
848		1200
849	unless (aio_stat "$filename.pst") {	1201	unless (aio_stat "$filename.pst") {
850	(aio_load "$filename.pst", $av) >= 0	1202	(aio_load "$filename.pst", $av) >= 0
851	or return;	1203	or return;
		1204
852	$av = eval { (Storable::thaw $av)->{objs} };	1205	my $st = eval { Coro::Storable::thaw $av };
		1206	$av = $st->{objs};
853	}	1207	}
854		1208
		1209	utf8::decode (my $decname = $filename);
855	warn sprintf "loading %s (%d)\n",	1210	warn sprintf "loading %s (%d,%d)\n",
856	$filename, length $data, scalar @{$av || []};#d#	1211	$decname, length $data, scalar @{$av || []};
		1212
857	return ($data, $av);	1213	($data, $av)
858	}	1214	}
		1215
		1216	=head2 COMMAND CALLBACKS
		1217
		1218	=over 4
		1219
		1220	=cut
859		1221
860	#############################################################################	1222	#############################################################################
861	# command handling &c	1223	# command handling &c
862		1224
863	=item cf::register_command $name => \&callback($ob,$args);	1225	=item cf::register_command $name => \&callback($ob,$args);
…		…
876	push @{ $COMMAND{$name} }, [$caller, $cb];	1238	push @{ $COMMAND{$name} }, [$caller, $cb];
877	}	1239	}
878		1240
879	=item cf::register_extcmd $name => \&callback($pl,$packet);	1241	=item cf::register_extcmd $name => \&callback($pl,$packet);
880		1242
881	Register a callbackf ro execution when the client sends an extcmd packet.	1243	Register a callback for execution when the client sends an (synchronous)
		1244	extcmd packet. Ext commands will be processed in the order they are
		1245	received by the server, like other user commands. The first argument is
		1246	the logged-in player. Ext commands can only be processed after a player
		1247	has logged in successfully.
882		1248
883	If the callback returns something, it is sent back as if reply was being	1249	If the callback returns something, it is sent back as if reply was being
884	called.	1250	called.
885		1251
		1252	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1253
		1254	Register a callback for execution when the client sends an (asynchronous)
		1255	exticmd packet. Exti commands are processed by the server as soon as they
		1256	are received, i.e. out of order w.r.t. other commands. The first argument
		1257	is a client socket. Exti commands can be received anytime, even before
		1258	log-in.
		1259
		1260	If the callback returns something, it is sent back as if reply was being
		1261	called.
		1262
886	=cut	1263	=cut
887		1264
888	sub register_extcmd {	1265	sub register_extcmd {
889	my ($name, $cb) = @_;	1266	my ($name, $cb) = @_;
890		1267
891	$EXTCMD{$name} = $cb;	1268	$EXTCMD{$name} = $cb;
		1269	}
		1270
		1271	sub register_exticmd {
		1272	my ($name, $cb) = @_;
		1273
		1274	$EXTICMD{$name} = $cb;
892	}	1275	}
893		1276
894	cf::player->attach (	1277	cf::player->attach (
895	on_command => sub {	1278	on_command => sub {
896	my ($pl, $name, $params) = @_;	1279	my ($pl, $name, $params) = @_;
…		…
905	cf::override;	1288	cf::override;
906	},	1289	},
907	on_extcmd => sub {	1290	on_extcmd => sub {
908	my ($pl, $buf) = @_;	1291	my ($pl, $buf) = @_;
909		1292
910	my $msg = eval { from_json $buf };	1293	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
911		1294
912	if (ref $msg) {	1295	if (ref $msg) {
		1296	my ($type, $reply, @payload) =
		1297	"ARRAY" eq ref $msg
		1298	? @$msg
		1299	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1300
		1301	my @reply;
		1302
913	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1303	if (my $cb = $EXTCMD{$type}) {
914	if (my %reply = $cb->($pl, $msg)) {	1304	@reply = $cb->($pl, @payload);
915	$pl->ext_reply ($msg->{msgid}, %reply);
916	}
917	}	1305	}
		1306
		1307	$pl->ext_reply ($reply, @reply)
		1308	if $reply;
		1309
918	} else {	1310	} else {
919	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1311	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
920	}	1312	}
921		1313
922	cf::override;	1314	cf::override;
923	},	1315	},
924	);	1316	);
925		1317
926	sub load_extension {
927	my ($path) = @_;
928
929	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
930	my $base = $1;
931	my $pkg = $1;
932	$pkg =~ s/[^[:word:]]/_/g;
933	$pkg = "ext::$pkg";
934
935	warn "... loading '$path' into '$pkg'\n";
936
937	open my $fh, "<:utf8", $path
938	or die "$path: $!";
939
940	my $source =
941	"package $pkg; use strict; use utf8;\n"
942	. "#line 1 \"$path\"\n{\n"
943	. (do { local $/; <$fh> })
944	. "\n};\n1";
945
946	unless (eval $source) {
947	my $msg = $@ ? "$path: $@\n"
948	: "extension disabled.\n";
949	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
950	warn $@;
951	warn "mandatory extension failed to load, exiting.\n";
952	exit 1;
953	}
954	die $@;
955	}
956
957	push @EXTS, $pkg;
958	}
959
960	sub load_extensions {	1318	sub load_extensions {
		1319	cf::sync_job {
		1320	my %todo;
		1321
961	for my $ext (<$LIBDIR/*.ext>) {	1322	for my $path (<$LIBDIR/*.ext>) {
962	next unless -r $ext;	1323	next unless -r $path;
963	eval {	1324
964	load_extension $ext;	1325	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1326	my $base = $1;
		1327	my $pkg = $1;
		1328	$pkg =~ s/[^[:word:]]/_/g;
		1329	$pkg = "ext::$pkg";
		1330
		1331	open my $fh, "<:utf8", $path
		1332	or die "$path: $!";
		1333
		1334	my $source = do { local $/; <$fh> };
		1335
		1336	my %ext = (
		1337	path => $path,
		1338	base => $base,
		1339	pkg => $pkg,
		1340	);
		1341
		1342	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1343	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1344
		1345	$ext{source} =
		1346	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1347	. "#line 1 \"$path\"\n{\n"
		1348	. $source
		1349	. "\n};\n1";
		1350
		1351	$todo{$base} = \%ext;
		1352	}
		1353
		1354	my %done;
		1355	while (%todo) {
		1356	my $progress;
		1357
		1358	while (my ($k, $v) = each %todo) {
		1359	for (split /,\s*/, $v->{meta}{depends}) {
		1360	goto skip
		1361	unless exists $done{$_};
		1362	}
		1363
		1364	warn "... loading '$k' into '$v->{pkg}'\n";
		1365
		1366	unless (eval $v->{source}) {
		1367	my $msg = $@ ? "$v->{path}: $@\n"
		1368	: "$v->{base}: extension inactive.\n";
		1369
		1370	if (exists $v->{meta}{mandatory}) {
		1371	warn $msg;
		1372	cf::cleanup "mandatory extension failed to load, exiting.";
		1373	}
		1374
		1375	warn $msg;
		1376	}
		1377
		1378	$done{$k} = delete $todo{$k};
		1379	push @EXTS, $v->{pkg};
		1380	$progress = 1;
965	1	1381	}
966	} or warn "$ext not loaded: $@";	1382
		1383	skip:
		1384	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1385	unless $progress;
		1386	}
967	}	1387	};
968	}	1388	}
969		1389
970	#############################################################################	1390	#############################################################################
971		1391
		1392	=back
		1393
972	=head2 CORE EXTENSIONS	1394	=head2 CORE EXTENSIONS
973		1395
974	Functions and methods that extend core crossfire objects.	1396	Functions and methods that extend core deliantra objects.
975		1397
976	=cut	1398	=cut
977		1399
978	package cf::player;	1400	package cf::player;
979		1401
980	use Coro::AIO;	1402	use Coro::AIO;
981		1403
982	=head3 cf::player	1404	=head3 cf::player
983		1405
984	=over 4	1406	=over 4
		1407
		1408	=item cf::player::num_playing
		1409
		1410	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1411
		1412	=cut
		1413
		1414	sub num_playing {
		1415	scalar grep
		1416	$_->ob->map
		1417	&& !$_->hidden
		1418	&& !$_->ob->flag (cf::FLAG_WIZ),
		1419	cf::player::list
		1420	}
985		1421
986	=item cf::player::find $login	1422	=item cf::player::find $login
987		1423
988	Returns the given player object, loading it if necessary (might block).	1424	Returns the given player object, loading it if necessary (might block).
989		1425
…		…
1025	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1461	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1026	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1462	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1027	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1463	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1028	aio_unlink +(playerdir $login) . "/$login.pl";	1464	aio_unlink +(playerdir $login) . "/$login.pl";
1029		1465
1030	my $pl = load_pl path $login	1466	my $f = new_from_file cf::object::thawer path $login
1031	or return;	1467	or return;
		1468
		1469	my $pl = cf::player::load_pl $f
		1470	or return;
		1471
		1472	local $cf::PLAYER_LOADING{$login} = $pl;
		1473	$f->resolve_delayed_derefs;
1032	$cf::PLAYER{$login} = $pl	1474	$cf::PLAYER{$login} = $pl
1033	}	1475	}
1034	}	1476	}
1035	}	1477	}
1036		1478
…		…
1045	return if $pl->{deny_save};	1487	return if $pl->{deny_save};
1046		1488
1047	aio_mkdir playerdir $pl, 0770;	1489	aio_mkdir playerdir $pl, 0770;
1048	$pl->{last_save} = $cf::RUNTIME;	1490	$pl->{last_save} = $cf::RUNTIME;
1049		1491
		1492	cf::get_slot 0.01;
		1493
1050	$pl->save_pl ($path);	1494	$pl->save_pl ($path);
1051	Coro::cede;	1495	cf::cede_to_tick;
1052	}	1496	}
1053		1497
1054	sub new($) {	1498	sub new($) {
1055	my ($login) = @_;	1499	my ($login) = @_;
1056		1500
…		…
1062	$cf::PLAYER{$login} = $self;	1506	$cf::PLAYER{$login} = $self;
1063		1507
1064	$self	1508	$self
1065	}	1509	}
1066		1510
		1511	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1512
		1513	=cut
		1514
		1515	sub send_msg {
		1516	my $ns = shift->ns
		1517	or return;
		1518	$ns->send_msg (@_);
		1519	}
		1520
1067	=item $pl->quit_character	1521	=item $pl->quit_character
1068		1522
1069	Nukes the player without looking back. If logged in, the connection will	1523	Nukes the player without looking back. If logged in, the connection will
1070	be destroyed. May block for a long time.	1524	be destroyed. May block for a long time.
1071		1525
…		…
1075	my ($pl) = @_;	1529	my ($pl) = @_;
1076		1530
1077	my $name = $pl->ob->name;	1531	my $name = $pl->ob->name;
1078		1532
1079	$pl->{deny_save} = 1;	1533	$pl->{deny_save} = 1;
1080	$pl->password ("*"); # this should lock out the player until we nuked the dir	1534	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1081		1535
1082	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1536	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1083	$pl->deactivate;	1537	$pl->deactivate;
		1538	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1539	$pl->ob->check_score;
1084	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1540	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1085	$pl->ns->destroy if $pl->ns;	1541	$pl->ns->destroy if $pl->ns;
1086		1542
1087	my $path = playerdir $pl;	1543	my $path = playerdir $pl;
1088	my $temp = "$path~$cf::RUNTIME~deleting~";	1544	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1124	or return [];	1580	or return [];
1125		1581
1126	my @logins;	1582	my @logins;
1127		1583
1128	for my $login (@$dirs) {	1584	for my $login (@$dirs) {
		1585	my $path = path $login;
		1586
		1587	# a .pst is a dead give-away for a valid player
		1588	# if no pst file found, open and chekc for blocked users
		1589	if (aio_stat "$path.pst") {
1129	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1590	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1130	aio_read $fh, 0, 512, my $buf, 0 or next;	1591	aio_read $fh, 0, 512, my $buf, 0 or next;
1131	$buf !~ /^password -------------$/m or next; # official not-valid tag	1592	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1593	}
1132		1594
1133	utf8::decode $login;	1595	utf8::decode $login;
1134	push @logins, $login;	1596	push @logins, $login;
1135	}	1597	}
1136		1598
…		…
1163	}	1625	}
1164		1626
1165	\@paths	1627	\@paths
1166	}	1628	}
1167		1629
		1630	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1631
		1632	Expand deliantra pod fragments into protocol xml.
		1633
1168	=item $player->ext_reply ($msgid, %msg)	1634	=item $player->ext_reply ($msgid, @msg)
1169		1635
1170	Sends an ext reply to the player.	1636	Sends an ext reply to the player.
1171		1637
1172	=cut	1638	=cut
1173		1639
1174	sub ext_reply($$%) {	1640	sub ext_reply($$@) {
1175	my ($self, $id, %msg) = @_;	1641	my ($self, $id, @msg) = @_;
1176		1642
1177	$msg{msgid} = $id;	1643	$self->ns->ext_reply ($id, @msg)
1178
1179	$self->send ("ext " . cf::to_json \%msg);
1180	}	1644	}
1181		1645
1182	=item $player->ext_event ($type, %msg)	1646	=item $player->ext_msg ($type, @msg)
1183		1647
1184	Sends an ext event to the client.	1648	Sends an ext event to the client.
1185		1649
1186	=cut	1650	=cut
1187		1651
1188	sub ext_event($$%) {	1652	sub ext_msg($$@) {
1189	my ($self, $type, %msg) = @_;	1653	my ($self, $type, @msg) = @_;
1190		1654
1191	$self->ns->ext_event ($type, %msg);	1655	$self->ns->ext_msg ($type, @msg);
1192	}	1656	}
1193		1657
1194	=head3 cf::region	1658	=head3 cf::region
1195		1659
1196	=over 4	1660	=over 4
…		…
1199		1663
1200	package cf::region;	1664	package cf::region;
1201		1665
1202	=item cf::region::find_by_path $path	1666	=item cf::region::find_by_path $path
1203		1667
1204	Tries to decuce the probable region for a map knowing only its path.	1668	Tries to decuce the likely region for a map knowing only its path.
1205		1669
1206	=cut	1670	=cut
1207		1671
1208	sub find_by_path($) {	1672	sub find_by_path($) {
1209	my ($path) = @_;	1673	my ($path) = @_;
1210		1674
1211	my ($match, $specificity);	1675	my ($match, $specificity);
1212		1676
1213	for my $region (list) {	1677	for my $region (list) {
1214	if ($region->match && $path =~ $region->match) {	1678	if ($region->{match} && $path =~ $region->{match}) {
1215	($match, $specificity) = ($region, $region->specificity)	1679	($match, $specificity) = ($region, $region->specificity)
1216	if $region->specificity > $specificity;	1680	if $region->specificity > $specificity;
1217	}	1681	}
1218	}	1682	}
1219		1683
…		…
1240	our $MAX_RESET = 3600;	1704	our $MAX_RESET = 3600;
1241	our $DEFAULT_RESET = 3000;	1705	our $DEFAULT_RESET = 3000;
1242		1706
1243	sub generate_random_map {	1707	sub generate_random_map {
1244	my ($self, $rmp) = @_;	1708	my ($self, $rmp) = @_;
		1709
		1710	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1711
1245	# mit "rum" bekleckern, nicht	1712	# mit "rum" bekleckern, nicht
1246	$self->_create_random_map (	1713	$self->_create_random_map (
1247	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1714	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1248	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1715	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1249	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1716	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1283	my ($self, $merge) = @_;	1750	my ($self, $merge) = @_;
1284		1751
1285	# we have to keep some variables in memory intact	1752	# we have to keep some variables in memory intact
1286	local $self->{path};	1753	local $self->{path};
1287	local $self->{load_path};	1754	local $self->{load_path};
1288	local $self->{deny_save};
1289	local $self->{deny_reset};
1290		1755
1291	$self->SUPER::thawer_merge ($merge);	1756	$self->SUPER::thawer_merge ($merge);
1292	}	1757	}
1293		1758
1294	sub normalise {	1759	sub normalise {
…		…
1341	$self->init; # pass $1 etc.	1806	$self->init; # pass $1 etc.
1342	return $self;	1807	return $self;
1343	}	1808	}
1344	}	1809	}
1345		1810
1346	Carp::carp "unable to resolve path '$path' (base '$base').";	1811	Carp::cluck "unable to resolve path '$path' (base '$base').";
1347	()	1812	()
1348	}	1813	}
1349		1814
1350	sub init {	1815	sub init {
1351	my ($self) = @_;	1816	my ($self) = @_;
…		…
1373		1838
1374	# the temporary/swap location	1839	# the temporary/swap location
1375	sub save_path {	1840	sub save_path {
1376	my ($self) = @_;	1841	my ($self) = @_;
1377		1842
1378	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1843	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1379	"$TMPDIR/$path.map"	1844	"$TMPDIR/$path.map"
1380	}	1845	}
1381		1846
1382	# the unique path, undef == no special unique path	1847	# the unique path, undef == no special unique path
1383	sub uniq_path {	1848	sub uniq_path {
1384	my ($self) = @_;	1849	my ($self) = @_;
1385		1850
1386	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1851	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1387	"$UNIQUEDIR/$path"	1852	"$UNIQUEDIR/$path"
1388	}	1853	}
1389		1854
1390	# and all this just because we cannot iterate over	1855	# and all this just because we cannot iterate over
1391	# all maps in C++...	1856	# all maps in C++...
…		…
1394		1859
1395	$_->change_map_light ($change)	1860	$_->change_map_light ($change)
1396	for grep $_->outdoor, values %cf::MAP;	1861	for grep $_->outdoor, values %cf::MAP;
1397	}	1862	}
1398		1863
		1864	sub decay_objects {
		1865	my ($self) = @_;
		1866
		1867	return if $self->{deny_reset};
		1868
		1869	$self->do_decay_objects;
		1870	}
		1871
1399	sub unlink_save {	1872	sub unlink_save {
1400	my ($self) = @_;	1873	my ($self) = @_;
1401		1874
1402	utf8::encode (my $save = $self->save_path);	1875	utf8::encode (my $save = $self->save_path);
1403	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1876	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1406		1879
1407	sub load_header_from($) {	1880	sub load_header_from($) {
1408	my ($self, $path) = @_;	1881	my ($self, $path) = @_;
1409		1882
1410	utf8::encode $path;	1883	utf8::encode $path;
1411	#aio_open $path, O_RDONLY, 0	1884	my $f = new_from_file cf::object::thawer $path
1412	# or return;
1413
1414	$self->_load_header ($path)
1415	or return;	1885	or return;
		1886
		1887	$self->_load_header ($f)
		1888	or return;
		1889
		1890	local $MAP_LOADING{$self->{path}} = $self;
		1891	$f->resolve_delayed_derefs;
1416		1892
1417	$self->{load_path} = $path;	1893	$self->{load_path} = $path;
1418		1894
1419	1	1895	1
1420	}	1896	}
…		…
1459	$self->load_header_orig	1935	$self->load_header_orig
1460	or return;	1936	or return;
1461	$self->prepare_orig;	1937	$self->prepare_orig;
1462	}	1938	}
1463		1939
		1940	$self->{deny_reset} = 1
		1941	if $self->no_reset;
		1942
1464	$self->default_region (cf::region::find_by_path $self->{path})	1943	$self->default_region (cf::region::find_by_path $self->{path})
1465	unless $self->default_region;	1944	unless $self->default_region;
1466		1945
1467	1	1946	1
1468	}	1947	}
…		…
1471	sub find {	1950	sub find {
1472	my ($path, $origin) = @_;	1951	my ($path, $origin) = @_;
1473		1952
1474	$path = normalise $path, $origin && $origin->path;	1953	$path = normalise $path, $origin && $origin->path;
1475		1954
		1955	cf::lock_wait "map_data:$path";#d#remove
1476	cf::lock_wait "map_find:$path";	1956	cf::lock_wait "map_find:$path";
1477		1957
1478	$cf::MAP{$path} || do {	1958	$cf::MAP{$path} || do {
		1959	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1479	my $guard = cf::lock_acquire "map_find:$path";	1960	my $guard2 = cf::lock_acquire "map_find:$path";
		1961
1480	my $map = new_from_path cf::map $path	1962	my $map = new_from_path cf::map $path
1481	or return;	1963	or return;
1482		1964
1483	$map->{last_save} = $cf::RUNTIME;	1965	$map->{last_save} = $cf::RUNTIME;
1484		1966
1485	$map->load_header	1967	$map->load_header
1486	or return;	1968	or return;
1487		1969
1488	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1970	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1489	# doing this can freeze the server in a sync job, obviously	1971	# doing this can freeze the server in a sync job, obviously
1490	#$cf::WAIT_FOR_TICK->wait;	1972	#$cf::WAIT_FOR_TICK->wait;
		1973	undef $guard2;
		1974	undef $guard1;
1491	$map->reset;	1975	$map->reset;
1492	undef $guard;
1493	return find $path;	1976	return find $path;
1494	}	1977	}
1495		1978
1496	$cf::MAP{$path} = $map	1979	$cf::MAP{$path} = $map
1497	}	1980	}
…		…
1506	local $self->{deny_reset} = 1; # loading can take a long time	1989	local $self->{deny_reset} = 1; # loading can take a long time
1507		1990
1508	my $path = $self->{path};	1991	my $path = $self->{path};
1509		1992
1510	{	1993	{
1511	my $guard = cf::lock_acquire "map_load:$path";	1994	my $guard = cf::lock_acquire "map_data:$path";
1512		1995
		1996	return unless $self->valid;
1513	return if $self->in_memory != cf::MAP_SWAPPED;	1997	return unless $self->in_memory == cf::MAP_SWAPPED;
1514		1998
1515	$self->in_memory (cf::MAP_LOADING);	1999	$self->in_memory (cf::MAP_LOADING);
1516		2000
1517	$self->alloc;	2001	$self->alloc;
1518		2002
1519	$self->pre_load;	2003	$self->pre_load;
1520	Coro::cede;	2004	cf::cede_to_tick;
1521		2005
		2006	my $f = new_from_file cf::object::thawer $self->{load_path};
		2007	$f->skip_block;
1522	$self->_load_objects ($self->{load_path}, 1)	2008	$self->_load_objects ($f)
1523	or return;	2009	or return;
1524		2010
1525	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2011	$self->post_load_original
1526	if delete $self->{load_original};	2012	if delete $self->{load_original};
1527		2013
1528	if (my $uniq = $self->uniq_path) {	2014	if (my $uniq = $self->uniq_path) {
1529	utf8::encode $uniq;	2015	utf8::encode $uniq;
1530	if (aio_open $uniq, O_RDONLY, 0) {	2016	unless (aio_stat $uniq) {
		2017	if (my $f = new_from_file cf::object::thawer $uniq) {
1531	$self->clear_unique_items;	2018	$self->clear_unique_items;
1532	$self->_load_objects ($uniq, 0);	2019	$self->_load_objects ($f);
		2020	$f->resolve_delayed_derefs;
		2021	}
1533	}	2022	}
1534	}	2023	}
1535		2024
1536	Coro::cede;	2025	$f->resolve_delayed_derefs;
		2026
		2027	cf::cede_to_tick;
1537	# now do the right thing for maps	2028	# now do the right thing for maps
1538	$self->link_multipart_objects;	2029	$self->link_multipart_objects;
1539	$self->difficulty ($self->estimate_difficulty)	2030	$self->difficulty ($self->estimate_difficulty)
1540	unless $self->difficulty;	2031	unless $self->difficulty;
1541	Coro::cede;	2032	cf::cede_to_tick;
1542		2033
1543	unless ($self->{deny_activate}) {	2034	unless ($self->{deny_activate}) {
1544	$self->decay_objects;	2035	$self->decay_objects;
1545	$self->fix_auto_apply;	2036	$self->fix_auto_apply;
1546	$self->update_buttons;	2037	$self->update_buttons;
1547	Coro::cede;	2038	cf::cede_to_tick;
1548	$self->set_darkness_map;	2039	$self->set_darkness_map;
1549	Coro::cede;	2040	cf::cede_to_tick;
1550	$self->activate;	2041	$self->activate;
1551	}	2042	}
1552		2043
		2044	$self->{last_save} = $cf::RUNTIME;
		2045	$self->last_access ($cf::RUNTIME);
		2046
1553	$self->in_memory (cf::MAP_IN_MEMORY);	2047	$self->in_memory (cf::MAP_ACTIVE);
1554	}	2048	}
1555		2049
1556	$self->post_load;	2050	$self->post_load;
1557	}	2051	}
1558		2052
…		…
1560	my ($self, $ob) = @_;	2054	my ($self, $ob) = @_;
1561		2055
1562	return find "~" . $ob->name . "/" . $self->{path}	2056	return find "~" . $ob->name . "/" . $self->{path}
1563	if $self->per_player;	2057	if $self->per_player;
1564		2058
		2059	# return find "?party/" . $ob->name . "/" . $self->{path}
		2060	# if $self->per_party;
		2061
1565	$self	2062	$self
1566	}	2063	}
1567		2064
1568	# find and load all maps in the 3x3 area around a map	2065	# find and load all maps in the 3x3 area around a map
1569	sub load_diag {	2066	sub load_neighbours {
1570	my ($map) = @_;	2067	my ($map) = @_;
1571		2068
1572	my @diag; # diagonal neighbours	2069	my @neigh; # diagonal neighbours
1573		2070
1574	for (0 .. 3) {	2071	for (0 .. 3) {
1575	my $neigh = $map->tile_path ($_)	2072	my $neigh = $map->tile_path ($_)
1576	or next;	2073	or next;
1577	$neigh = find $neigh, $map	2074	$neigh = find $neigh, $map
1578	or next;	2075	or next;
1579	$neigh->load;	2076	$neigh->load;
1580		2077
		2078	push @neigh,
1581	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2079	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1582	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2080	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1583	}	2081	}
1584		2082
1585	for (@diag) {	2083	for (grep defined $_->[0], @neigh) {
		2084	my ($path, $origin) = @$_;
1586	my $neigh = find @$_	2085	my $neigh = find $path, $origin
1587	or next;	2086	or next;
1588	$neigh->load;	2087	$neigh->load;
1589	}	2088	}
1590	}	2089	}
1591		2090
…		…
1596	}	2095	}
1597		2096
1598	sub do_load_sync {	2097	sub do_load_sync {
1599	my ($map) = @_;	2098	my ($map) = @_;
1600		2099
		2100	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2101	if $Coro::current == $Coro::main;
		2102
1601	cf::sync_job { $map->load };	2103	cf::sync_job { $map->load };
1602	}	2104	}
1603		2105
1604	our %MAP_PREFETCH;	2106	our %MAP_PREFETCH;
1605	our $MAP_PREFETCHER = undef;	2107	our $MAP_PREFETCHER = undef;
1606		2108
1607	sub find_async {	2109	sub find_async {
1608	my ($path, $origin) = @_;	2110	my ($path, $origin, $load) = @_;
1609		2111
1610	$path = normalise $path, $origin && $origin->{path};	2112	$path = normalise $path, $origin && $origin->{path};
1611		2113
1612	if (my $map = $cf::MAP{$path}) {	2114	if (my $map = $cf::MAP{$path}) {
1613	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2115	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1614	}	2116	}
1615		2117
1616	undef $MAP_PREFETCH{$path};	2118	$MAP_PREFETCH{$path} |= $load;
		2119
1617	$MAP_PREFETCHER ||= cf::async {	2120	$MAP_PREFETCHER ||= cf::async {
		2121	$Coro::current->{desc} = "map prefetcher";
		2122
1618	while (%MAP_PREFETCH) {	2123	while (%MAP_PREFETCH) {
1619	for my $path (keys %MAP_PREFETCH) {	2124	while (my ($k, $v) = each %MAP_PREFETCH) {
1620	my $map = find $path	2125	if (my $map = find $k) {
1621	or next;
1622	$map->load;	2126	$map->load if $v;
		2127	}
1623		2128
1624	delete $MAP_PREFETCH{$path};	2129	delete $MAP_PREFETCH{$k};
1625	}	2130	}
1626	}	2131	}
1627	undef $MAP_PREFETCHER;	2132	undef $MAP_PREFETCHER;
1628	};	2133	};
1629	$MAP_PREFETCHER->prio (6);	2134	$MAP_PREFETCHER->prio (6);
…		…
1632	}	2137	}
1633		2138
1634	sub save {	2139	sub save {
1635	my ($self) = @_;	2140	my ($self) = @_;
1636		2141
1637	my $lock = cf::lock_acquire "map_data:" . $self->path;	2142	my $lock = cf::lock_acquire "map_data:$self->{path}";
1638		2143
1639	$self->{last_save} = $cf::RUNTIME;	2144	$self->{last_save} = $cf::RUNTIME;
1640		2145
1641	return unless $self->dirty;	2146	return unless $self->dirty;
1642		2147
…		…
1648	return if $self->{deny_save};	2153	return if $self->{deny_save};
1649		2154
1650	local $self->{last_access} = $self->last_access;#d#	2155	local $self->{last_access} = $self->last_access;#d#
1651		2156
1652	cf::async {	2157	cf::async {
		2158	$Coro::current->{desc} = "map player save";
1653	$_->contr->save for $self->players;	2159	$_->contr->save for $self->players;
1654	};	2160	};
		2161
		2162	cf::get_slot 0.02;
1655		2163
1656	if ($uniq) {	2164	if ($uniq) {
1657	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2165	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1658	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2166	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1659	} else {	2167	} else {
…		…
1665	my ($self) = @_;	2173	my ($self) = @_;
1666		2174
1667	# save first because save cedes	2175	# save first because save cedes
1668	$self->save;	2176	$self->save;
1669		2177
1670	my $lock = cf::lock_acquire "map_data:" . $self->path;	2178	my $lock = cf::lock_acquire "map_data:$self->{path}";
1671		2179
1672	return if $self->players;	2180	return if $self->players;
1673	return if $self->in_memory != cf::MAP_IN_MEMORY;	2181	return if $self->in_memory != cf::MAP_ACTIVE;
1674	return if $self->{deny_save};	2182	return if $self->{deny_save};
1675		2183
		2184	$self->in_memory (cf::MAP_SWAPPED);
		2185
		2186	$self->deactivate;
		2187	$_->clear_links_to ($self) for values %cf::MAP;
1676	$self->clear;	2188	$self->clear;
1677	$self->in_memory (cf::MAP_SWAPPED);
1678	}	2189	}
1679		2190
1680	sub reset_at {	2191	sub reset_at {
1681	my ($self) = @_;	2192	my ($self) = @_;
1682		2193
1683	# TODO: safety, remove and allow resettable per-player maps	2194	# TODO: safety, remove and allow resettable per-player maps
1684	return 1e99 if $self->isa ("ext::map_per_player");#d#
1685	return 1e99 if $self->{deny_reset};	2195	return 1e99 if $self->{deny_reset};
1686		2196
1687	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2197	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1688	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2198	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1689		2199
…		…
1700	my ($self) = @_;	2210	my ($self) = @_;
1701		2211
1702	my $lock = cf::lock_acquire "map_data:$self->{path}";	2212	my $lock = cf::lock_acquire "map_data:$self->{path}";
1703		2213
1704	return if $self->players;	2214	return if $self->players;
1705	return if $self->isa ("ext::map_per_player");#d#
1706		2215
1707	warn "resetting map ", $self->path;#d#	2216	warn "resetting map ", $self->path;
1708		2217
1709	$self->in_memory (cf::MAP_SWAPPED);	2218	$self->in_memory (cf::MAP_SWAPPED);
1710		2219
1711	# need to save uniques path	2220	# need to save uniques path
1712	unless ($self->{deny_save}) {	2221	unless ($self->{deny_save}) {
…		…
1716	if $uniq;	2225	if $uniq;
1717	}	2226	}
1718		2227
1719	delete $cf::MAP{$self->path};	2228	delete $cf::MAP{$self->path};
1720		2229
		2230	$self->deactivate;
		2231	$_->clear_links_to ($self) for values %cf::MAP;
1721	$self->clear;	2232	$self->clear;
1722
1723	$_->clear_links_to ($self) for values %cf::MAP;
1724		2233
1725	$self->unlink_save;	2234	$self->unlink_save;
1726	$self->destroy;	2235	$self->destroy;
1727	}	2236	}
1728		2237
1729	my $nuke_counter = "aaaa";	2238	my $nuke_counter = "aaaa";
1730		2239
1731	sub nuke {	2240	sub nuke {
1732	my ($self) = @_;	2241	my ($self) = @_;
1733		2242
		2243	{
		2244	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2245
1734	delete $cf::MAP{$self->path};	2246	delete $cf::MAP{$self->path};
1735		2247
1736	$self->unlink_save;	2248	$self->unlink_save;
1737		2249
1738	bless $self, "cf::map";	2250	bless $self, "cf::map";
1739	delete $self->{deny_reset};	2251	delete $self->{deny_reset};
1740	$self->{deny_save} = 1;	2252	$self->{deny_save} = 1;
1741	$self->reset_timeout (1);	2253	$self->reset_timeout (1);
1742	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2254	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1743		2255
1744	$cf::MAP{$self->path} = $self;	2256	$cf::MAP{$self->path} = $self;
		2257	}
1745		2258
1746	$self->reset; # polite request, might not happen	2259	$self->reset; # polite request, might not happen
		2260	}
		2261
		2262	=item $maps = cf::map::tmp_maps
		2263
		2264	Returns an arrayref with all map paths of currently instantiated and saved
		2265	maps. May block.
		2266
		2267	=cut
		2268
		2269	sub tmp_maps() {
		2270	[
		2271	map {
		2272	utf8::decode $_;
		2273	/\.map$/
		2274	? normalise $_
		2275	: ()
		2276	} @{ aio_readdir $TMPDIR or [] }
		2277	]
		2278	}
		2279
		2280	=item $maps = cf::map::random_maps
		2281
		2282	Returns an arrayref with all map paths of currently instantiated and saved
		2283	random maps. May block.
		2284
		2285	=cut
		2286
		2287	sub random_maps() {
		2288	[
		2289	map {
		2290	utf8::decode $_;
		2291	/\.map$/
		2292	? normalise "?random/$_"
		2293	: ()
		2294	} @{ aio_readdir $RANDOMDIR or [] }
		2295	]
1747	}	2296	}
1748		2297
1749	=item cf::map::unique_maps	2298	=item cf::map::unique_maps
1750		2299
1751	Returns an arrayref of paths of all shared maps that have	2300	Returns an arrayref of paths of all shared maps that have
1752	instantiated unique items. May block.	2301	instantiated unique items. May block.
1753		2302
1754	=cut	2303	=cut
1755		2304
1756	sub unique_maps() {	2305	sub unique_maps() {
1757	my $files = aio_readdir $UNIQUEDIR	2306	[
1758	or return;	2307	map {
1759
1760	my @paths;
1761
1762	for (@$files) {
1763	utf8::decode $_;	2308	utf8::decode $_;
1764	next if /\.pst$/;	2309	s/\.map$//; # TODO future compatibility hack
1765	next unless /^$PATH_SEP/o;	2310	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1766		2311	? ()
1767	push @paths, cf::map::normalise $_;	2312	: normalise $_
		2313	} @{ aio_readdir $UNIQUEDIR or [] }
1768	}	2314	]
1769
1770	\@paths
1771	}	2315	}
1772
1773	package cf;
1774		2316
1775	=back	2317	=back
1776		2318
1777	=head3 cf::object	2319	=head3 cf::object
1778		2320
…		…
1782		2324
1783	=over 4	2325	=over 4
1784		2326
1785	=item $ob->inv_recursive	2327	=item $ob->inv_recursive
1786		2328
1787	Returns the inventory of the object _and_ their inventories, recursively.	2329	Returns the inventory of the object I<and> their inventories, recursively,
		2330	but I<not> the object itself.
1788		2331
1789	=cut	2332	=cut
1790		2333
1791	sub inv_recursive_;	2334	sub inv_recursive_;
1792	sub inv_recursive_ {	2335	sub inv_recursive_ {
…		…
1795		2338
1796	sub inv_recursive {	2339	sub inv_recursive {
1797	inv_recursive_ inv $_[0]	2340	inv_recursive_ inv $_[0]
1798	}	2341	}
1799		2342
		2343	=item $ref = $ob->ref
		2344
		2345	Creates and returns a persistent reference to an object that can be stored as a string.
		2346
		2347	=item $ob = cf::object::deref ($refstring)
		2348
		2349	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2350	even if the object actually exists. May block.
		2351
		2352	=cut
		2353
		2354	sub deref {
		2355	my ($ref) = @_;
		2356
		2357	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2358	my ($uuid, $name) = ($1, $2);
		2359	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2360	or return;
		2361	$pl->ob->uuid eq $uuid
		2362	or return;
		2363
		2364	$pl->ob
		2365	} else {
		2366	warn "$ref: cannot resolve object reference\n";
		2367	undef
		2368	}
		2369	}
		2370
1800	package cf;	2371	package cf;
1801		2372
1802	=back	2373	=back
1803		2374
1804	=head3 cf::object::player	2375	=head3 cf::object::player
…		…
1810	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2381	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1811	can be C<undef>. Does the right thing when the player is currently in a	2382	can be C<undef>. Does the right thing when the player is currently in a
1812	dialogue with the given NPC character.	2383	dialogue with the given NPC character.
1813		2384
1814	=cut	2385	=cut
		2386
		2387	our $SAY_CHANNEL = {
		2388	id => "say",
		2389	title => "Map",
		2390	reply => "say ",
		2391	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2392	};
		2393
		2394	our $CHAT_CHANNEL = {
		2395	id => "chat",
		2396	title => "Chat",
		2397	reply => "chat ",
		2398	tooltip => "Player chat and shouts, global to the server.",
		2399	};
1815		2400
1816	# rough implementation of a future "reply" method that works	2401	# rough implementation of a future "reply" method that works
1817	# with dialog boxes.	2402	# with dialog boxes.
1818	#TODO: the first argument must go, split into a $npc->reply_to ( method	2403	#TODO: the first argument must go, split into a $npc->reply_to ( method
1819	sub cf::object::player::reply($$$;$) {	2404	sub cf::object::player::reply($$$;$) {
…		…
1821		2406
1822	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2407	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1823		2408
1824	if ($self->{record_replies}) {	2409	if ($self->{record_replies}) {
1825	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2410	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2411
1826	} else {	2412	} else {
		2413	my $pl = $self->contr;
		2414
		2415	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2416	my $dialog = $pl->{npc_dialog};
		2417	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2418
		2419	} else {
1827	$msg = $npc->name . " says: $msg" if $npc;	2420	$msg = $npc->name . " says: $msg" if $npc;
1828	$self->message ($msg, $flags);	2421	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2422	}
1829	}	2423	}
		2424	}
		2425
		2426	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2427
		2428	=cut
		2429
		2430	sub cf::object::send_msg {
		2431	my $pl = shift->contr
		2432	or return;
		2433	$pl->send_msg (@_);
1830	}	2434	}
1831		2435
1832	=item $player_object->may ("access")	2436	=item $player_object->may ("access")
1833		2437
1834	Returns wether the given player is authorized to access resource "access"	2438	Returns wether the given player is authorized to access resource "access"
…		…
1847		2451
1848	=item $player_object->enter_link	2452	=item $player_object->enter_link
1849		2453
1850	Freezes the player and moves him/her to a special map (C<{link}>).	2454	Freezes the player and moves him/her to a special map (C<{link}>).
1851		2455
1852	The player should be reasonably safe there for short amounts of time. You	2456	The player should be reasonably safe there for short amounts of time (e.g.
1853	I<MUST> call C<leave_link> as soon as possible, though.	2457	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2458	though, as the palyer cannot control the character while it is on the link
		2459	map.
1854		2460
1855	Will never block.	2461	Will never block.
1856		2462
1857	=item $player_object->leave_link ($map, $x, $y)	2463	=item $player_object->leave_link ($map, $x, $y)
1858		2464
…		…
1881	$self->deactivate_recursive;	2487	$self->deactivate_recursive;
1882		2488
1883	return if UNIVERSAL::isa $self->map, "ext::map_link";	2489	return if UNIVERSAL::isa $self->map, "ext::map_link";
1884		2490
1885	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2491	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1886	if $self->map;	2492	if $self->map && $self->map->{path} ne "{link}";
1887		2493
1888	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2494	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1889	}	2495	}
1890		2496
1891	sub cf::object::player::leave_link {	2497	sub cf::object::player::leave_link {
1892	my ($self, $map, $x, $y) = @_;	2498	my ($self, $map, $x, $y) = @_;
		2499
		2500	return unless $self->contr->active;
1893		2501
1894	my $link_pos = delete $self->{_link_pos};	2502	my $link_pos = delete $self->{_link_pos};
1895		2503
1896	unless ($map) {	2504	unless ($map) {
1897	# restore original map position	2505	# restore original map position
…		…
1911	# use -1 or undef as default coordinates, not 0, 0	2519	# use -1 or undef as default coordinates, not 0, 0
1912	($x, $y) = ($map->enter_x, $map->enter_y)	2520	($x, $y) = ($map->enter_x, $map->enter_y)
1913	if $x <=0 && $y <= 0;	2521	if $x <=0 && $y <= 0;
1914		2522
1915	$map->load;	2523	$map->load;
1916	$map->load_diag;	2524	$map->load_neighbours;
1917		2525
1918	return unless $self->contr->active;	2526	return unless $self->contr->active;
		2527	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1919	$self->activate_recursive;	2528	$self->activate_recursive;
1920		2529
1921	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2530	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1922	$self->enter_map ($map, $x, $y);	2531	$self->enter_map ($map, $x, $y);
1923	}	2532	}
1924		2533
1925	cf::player->attach (	2534	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1926	on_logout => sub {
1927	my ($pl) = @_;
1928		2535
1929	# abort map switching before logout	2536	Moves the player to the given map-path and coordinates by first freezing
1930	if ($pl->ob->{_link_pos}) {	2537	her, loading and preparing them map, calling the provided $check callback
1931	cf::sync_job {	2538	that has to return the map if sucecssful, and then unfreezes the player on
1932	$pl->ob->leave_link	2539	the new (success) or old (failed) map position. In either case, $done will
1933	};	2540	be called at the end of this process.
1934	}
1935	},
1936	on_login => sub {
1937	my ($pl) = @_;
1938		2541
1939	# try to abort aborted map switching on player login :)	2542	Note that $check will be called with a potentially non-loaded map, so if
1940	# should happen only on crashes	2543	it needs a loaded map it has to call C<< ->load >>.
1941	if ($pl->ob->{_link_pos}) {
1942	$pl->ob->enter_link;
1943	(async {
1944	$pl->ob->reply (undef,
1945	"There was an internal problem at your last logout, "
1946	. "the server will try to bring you to your intended destination in a second.",
1947	cf::NDI_RED);
1948	# we need this sleep as the login has a concurrent enter_exit running
1949	# and this sleep increases chances of the player not ending up in scorn
1950	Coro::Timer::sleep 1;
1951	$pl->ob->leave_link;
1952	})->prio (2);
1953	}
1954	},
1955	);
1956		2544
1957	=item $player_object->goto ($path, $x, $y)
1958
1959	=cut	2545	=cut
		2546
		2547	our $GOTOGEN;
1960		2548
1961	sub cf::object::player::goto {	2549	sub cf::object::player::goto {
1962	my ($self, $path, $x, $y) = @_;	2550	my ($self, $path, $x, $y, $check, $done) = @_;
		2551
		2552	# do generation counting so two concurrent goto's will be executed in-order
		2553	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1963		2554
1964	$self->enter_link;	2555	$self->enter_link;
1965		2556
1966	(async {	2557	(async {
		2558	$Coro::current->{desc} = "player::goto $path $x $y";
		2559
		2560	# *tag paths override both path and x|y
		2561	if ($path =~ /^\*(.*)$/) {
		2562	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2563	my $ob = $obs[rand @obs];
		2564
		2565	# see if we actually can go there
		2566	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2567	$ob = $obs[rand @obs];
		2568	} else {
		2569	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2570	}
		2571	# else put us there anyways for now #d#
		2572
		2573	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2574	} else {
		2575	($path, $x, $y) = (undef, undef, undef);
		2576	}
		2577	}
		2578
1967	my $map = eval {	2579	my $map = eval {
1968	my $map = cf::map::find $path;	2580	my $map = defined $path ? cf::map::find $path : undef;
		2581
		2582	if ($map) {
1969	$map = $map->customise_for ($self) if $map;	2583	$map = $map->customise_for ($self);
		2584	$map = $check->($map) if $check && $map;
		2585	} else {
		2586	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2587	}
		2588
1970	$map	2589	$map
		2590	};
		2591
		2592	if ($@) {
		2593	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2594	LOG llevError | logBacktrace, Carp::longmess $@;
1971	} or	2595	}
1972	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1973		2596
		2597	if ($gen == $self->{_goto_generation}) {
		2598	delete $self->{_goto_generation};
1974	$self->leave_link ($map, $x, $y);	2599	$self->leave_link ($map, $x, $y);
		2600	}
		2601
		2602	$done->() if $done;
1975	})->prio (1);	2603	})->prio (1);
1976	}	2604	}
1977		2605
1978	=item $player_object->enter_exit ($exit_object)	2606	=item $player_object->enter_exit ($exit_object)
1979		2607
…		…
1999	}	2627	}
2000		2628
2001	sub prepare_random_map {	2629	sub prepare_random_map {
2002	my ($exit) = @_;	2630	my ($exit) = @_;
2003		2631
2004	my $guard = cf::lock_acquire "exit_prepare:$exit";
2005
2006	# all this does is basically replace the /! path by	2632	# all this does is basically replace the /! path by
2007	# a new random map path (?random/...) with a seed	2633	# a new random map path (?random/...) with a seed
2008	# that depends on the exit object	2634	# that depends on the exit object
2009		2635
2010	my $rmp = parse_random_map_params $exit->msg;	2636	my $rmp = parse_random_map_params $exit->msg;
…		…
2012	if ($exit->map) {	2638	if ($exit->map) {
2013	$rmp->{region} = $exit->region->name;	2639	$rmp->{region} = $exit->region->name;
2014	$rmp->{origin_map} = $exit->map->path;	2640	$rmp->{origin_map} = $exit->map->path;
2015	$rmp->{origin_x} = $exit->x;	2641	$rmp->{origin_x} = $exit->x;
2016	$rmp->{origin_y} = $exit->y;	2642	$rmp->{origin_y} = $exit->y;
		2643
		2644	$exit->map->touch;
2017	}	2645	}
2018		2646
2019	$rmp->{random_seed} ||= $exit->random_seed;	2647	$rmp->{random_seed} ||= $exit->random_seed;
2020		2648
2021	my $data = cf::to_json $rmp;	2649	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2022	my $md5 = Digest::MD5::md5_hex $data;	2650	my $md5 = Digest::MD5::md5_hex $data;
2023	my $meta = "$RANDOMDIR/$md5.meta";	2651	my $meta = "$RANDOMDIR/$md5.meta";
2024		2652
2025	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2653	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2026	aio_write $fh, 0, (length $data), $data, 0;	2654	aio_write $fh, 0, (length $data), $data, 0;
2027	undef $fh;	2655	undef $fh;
2028	aio_rename "$meta~", $meta;	2656	aio_rename "$meta~", $meta;
2029		2657
		2658	my $slaying = "?random/$md5";
		2659
		2660	if ($exit->valid) {
2030	$exit->slaying ("?random/$md5");	2661	$exit->slaying ("?random/$md5");
2031	$exit->msg (undef);	2662	$exit->msg (undef);
		2663	}
2032	}	2664	}
2033	}	2665	}
2034		2666
2035	sub cf::object::player::enter_exit {	2667	sub cf::object::player::enter_exit {
2036	my ($self, $exit) = @_;	2668	my ($self, $exit) = @_;
2037		2669
2038	return unless $self->type == cf::PLAYER;	2670	return unless $self->type == cf::PLAYER;
2039		2671
2040	if ($exit->slaying eq "/!") {
2041	#TODO: this should de-fi-ni-te-ly not be a sync-job
2042	# the problem is that $exit might not survive long enough
2043	# so it needs to be done right now, right here
2044	cf::sync_job { prepare_random_map $exit };
2045	}
2046
2047	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2048	my $hp = $exit->stats->hp;
2049	my $sp = $exit->stats->sp;
2050
2051	$self->enter_link;	2672	$self->enter_link;
2052		2673
2053	(async {	2674	(async {
2054	$self->deactivate_recursive; # just to be sure	2675	$Coro::current->{desc} = "enter_exit";
		2676
2055	unless (eval {	2677	unless (eval {
		2678	$self->deactivate_recursive; # just to be sure
		2679
		2680	# random map handling
		2681	{
		2682	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2683
		2684	prepare_random_map $exit
		2685	if $exit->slaying eq "/!";
		2686	}
		2687
		2688	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2689	my $x = $exit->stats->hp;
		2690	my $y = $exit->stats->sp;
		2691
2056	$self->goto ($slaying, $hp, $sp);	2692	$self->goto ($map, $x, $y);
2057		2693
		2694	# if exit is damned, update players death & WoR home-position
		2695	$self->contr->savebed ($map, $x, $y)
		2696	if $exit->flag (cf::FLAG_DAMNED);
		2697
2058	1;	2698	1
2059	}) {	2699	}) {
2060	$self->message ("Something went wrong deep within the crossfire server. "	2700	$self->message ("Something went wrong deep within the deliantra server. "
2061	. "I'll try to bring you back to the map you were before. "	2701	. "I'll try to bring you back to the map you were before. "
2062	. "Please report this to the dungeon master!",	2702	. "Please report this to the dungeon master!",
2063	cf::NDI_UNIQUE | cf::NDI_RED);	2703	cf::NDI_UNIQUE | cf::NDI_RED);
2064		2704
2065	warn "ERROR in enter_exit: $@";	2705	warn "ERROR in enter_exit: $@";
…		…
2084		2724
2085	utf8::encode $text;	2725	utf8::encode $text;
2086	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2726	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2087	}	2727	}
2088		2728
		2729	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2730
		2731	Send a drawinfo or msg packet to the client, formatting the msg for the
		2732	client if neccessary. C<$type> should be a string identifying the type of
		2733	the message, with C<log> being the default. If C<$color> is negative, suppress
		2734	the message unless the client supports the msg packet.
		2735
		2736	=cut
		2737
		2738	# non-persistent channels (usually the info channel)
		2739	our %CHANNEL = (
		2740	"c/identify" => {
		2741	id => "infobox",
		2742	title => "Identify",
		2743	reply => undef,
		2744	tooltip => "Items recently identified",
		2745	},
		2746	"c/examine" => {
		2747	id => "infobox",
		2748	title => "Examine",
		2749	reply => undef,
		2750	tooltip => "Signs and other items you examined",
		2751	},
		2752	"c/book" => {
		2753	id => "infobox",
		2754	title => "Book",
		2755	reply => undef,
		2756	tooltip => "The contents of a note or book",
		2757	},
		2758	"c/lookat" => {
		2759	id => "infobox",
		2760	title => "Look",
		2761	reply => undef,
		2762	tooltip => "What you saw there",
		2763	},
		2764	"c/who" => {
		2765	id => "infobox",
		2766	title => "Players",
		2767	reply => undef,
		2768	tooltip => "Shows players who are currently online",
		2769	},
		2770	"c/body" => {
		2771	id => "infobox",
		2772	title => "Body Parts",
		2773	reply => undef,
		2774	tooltip => "Shows which body parts you posess and are available",
		2775	},
		2776	"c/skills" => {
		2777	id => "infobox",
		2778	title => "Skills",
		2779	reply => undef,
		2780	tooltip => "Shows your experience per skill and item power",
		2781	},
		2782	"c/uptime" => {
		2783	id => "infobox",
		2784	title => "Uptime",
		2785	reply => undef,
		2786	tooltip => "How long the server has been running since last restart",
		2787	},
		2788	"c/mapinfo" => {
		2789	id => "infobox",
		2790	title => "Map Info",
		2791	reply => undef,
		2792	tooltip => "Information related to the maps",
		2793	},
		2794	"c/party" => {
		2795	id => "party",
		2796	title => "Party",
		2797	reply => "gsay ",
		2798	tooltip => "Messages and chat related to your party",
		2799	},
		2800	);
		2801
		2802	sub cf::client::send_msg {
		2803	my ($self, $channel, $msg, $color, @extra) = @_;
		2804
		2805	$msg = $self->pl->expand_cfpod ($msg)
		2806	unless $color & cf::NDI_VERBATIM;
		2807
		2808	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2809
		2810	# check predefined channels, for the benefit of C
		2811	if ($CHANNEL{$channel}) {
		2812	$channel = $CHANNEL{$channel};
		2813
		2814	$self->ext_msg (channel_info => $channel)
		2815	if $self->can_msg;
		2816
		2817	$channel = $channel->{id};
		2818
		2819	} elsif (ref $channel) {
		2820	# send meta info to client, if not yet sent
		2821	unless (exists $self->{channel}{$channel->{id}}) {
		2822	$self->{channel}{$channel->{id}} = $channel;
		2823	$self->ext_msg (channel_info => $channel)
		2824	if $self->can_msg;
		2825	}
		2826
		2827	$channel = $channel->{id};
		2828	}
		2829
		2830	return unless @extra || length $msg;
		2831
		2832	if ($self->can_msg) {
		2833	# default colour, mask it out
		2834	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2835	if $color & cf::NDI_DEF;
		2836
		2837	my $pkt = "msg "
		2838	. $self->{json_coder}->encode (
		2839	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2840	);
		2841
		2842	# try lzf for large packets
		2843	$pkt = "lzf " . Compress::LZF::compress $pkt
		2844	if 1024 <= length $pkt and $self->{can_lzf};
		2845
		2846	# split very large packets
		2847	if (8192 < length $pkt and $self->{can_lzf}) {
		2848	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2849	$pkt = "frag";
		2850	}
		2851
		2852	$self->send_packet ($pkt);
		2853	} else {
		2854	if ($color >= 0) {
		2855	# replace some tags by gcfclient-compatible ones
		2856	for ($msg) {
		2857	1 while
		2858	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2859	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2860	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2861	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2862	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2863	}
		2864
		2865	$color &= cf::NDI_COLOR_MASK;
		2866
		2867	utf8::encode $msg;
		2868
		2869	if (0 && $msg =~ /\[/) {
		2870	# COMMAND/INFO
		2871	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2872	} else {
		2873	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2874	$self->send_packet ("drawinfo $color $msg")
		2875	}
		2876	}
		2877	}
		2878	}
		2879
2089	=item $client->ext_event ($type, %msg)	2880	=item $client->ext_msg ($type, @msg)
2090		2881
2091	Sends an exti event to the client.	2882	Sends an ext event to the client.
2092		2883
2093	=cut	2884	=cut
2094		2885
2095	sub cf::client::ext_event($$%) {	2886	sub cf::client::ext_msg($$@) {
2096	my ($self, $type, %msg) = @_;	2887	my ($self, $type, @msg) = @_;
2097		2888
		2889	if ($self->extcmd == 2) {
		2890	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2891	} elsif ($self->extcmd == 1) { # TODO: remove
2098	$msg{msgtype} = "event_$type";	2892	push @msg, msgtype => "event_$type";
2099	$self->send_packet ("ext " . cf::to_json \%msg);	2893	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2894	}
		2895	}
		2896
		2897	=item $client->ext_reply ($msgid, @msg)
		2898
		2899	Sends an ext reply to the client.
		2900
		2901	=cut
		2902
		2903	sub cf::client::ext_reply($$@) {
		2904	my ($self, $id, @msg) = @_;
		2905
		2906	if ($self->extcmd == 2) {
		2907	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2908	} elsif ($self->extcmd == 1) {
		2909	#TODO: version 1, remove
		2910	unshift @msg, msgtype => "reply", msgid => $id;
		2911	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2912	}
2100	}	2913	}
2101		2914
2102	=item $success = $client->query ($flags, "text", \&cb)	2915	=item $success = $client->query ($flags, "text", \&cb)
2103		2916
2104	Queues a query to the client, calling the given callback with	2917	Queues a query to the client, calling the given callback with
2105	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2918	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2106	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2919	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2107		2920
2108	Queries can fail, so check the return code. Or don't, as queries will become	2921	Queries can fail, so check the return code. Or don't, as queries will
2109	reliable at some point in the future.	2922	become reliable at some point in the future.
2110		2923
2111	=cut	2924	=cut
2112		2925
2113	sub cf::client::query {	2926	sub cf::client::query {
2114	my ($self, $flags, $text, $cb) = @_;	2927	my ($self, $flags, $text, $cb) = @_;
…		…
2122	utf8::encode $text;	2935	utf8::encode $text;
2123	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2936	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2124		2937
2125	$self->send_packet ($self->{query_queue}[0][0])	2938	$self->send_packet ($self->{query_queue}[0][0])
2126	if @{ $self->{query_queue} } == 1;	2939	if @{ $self->{query_queue} } == 1;
		2940
		2941	1
2127	}	2942	}
2128		2943
2129	cf::client->attach (	2944	cf::client->attach (
		2945	on_connect => sub {
		2946	my ($ns) = @_;
		2947
		2948	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2949	},
2130	on_reply => sub {	2950	on_reply => sub {
2131	my ($ns, $msg) = @_;	2951	my ($ns, $msg) = @_;
2132		2952
2133	# this weird shuffling is so that direct followup queries	2953	# this weird shuffling is so that direct followup queries
2134	# get handled first	2954	# get handled first
…		…
2146	} else {	2966	} else {
2147	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2967	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2148	}	2968	}
2149	}	2969	}
2150	},	2970	},
		2971	on_exticmd => sub {
		2972	my ($ns, $buf) = @_;
		2973
		2974	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2975
		2976	if (ref $msg) {
		2977	my ($type, $reply, @payload) =
		2978	"ARRAY" eq ref $msg
		2979	? @$msg
		2980	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2981
		2982	my @reply;
		2983
		2984	if (my $cb = $EXTICMD{$type}) {
		2985	@reply = $cb->($ns, @payload);
		2986	}
		2987
		2988	$ns->ext_reply ($reply, @reply)
		2989	if $reply;
		2990
		2991	} else {
		2992	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2993	}
		2994
		2995	cf::override;
		2996	},
2151	);	2997	);
2152		2998
2153	=item $client->async (\&cb)	2999	=item $client->async (\&cb)
2154		3000
2155	Create a new coroutine, running the specified callback. The coroutine will	3001	Create a new coroutine, running the specified callback. The coroutine will
…		…
2196	our $safe = new Safe "safe";	3042	our $safe = new Safe "safe";
2197	our $safe_hole = new Safe::Hole;	3043	our $safe_hole = new Safe::Hole;
2198		3044
2199	$SIG{FPE} = 'IGNORE';	3045	$SIG{FPE} = 'IGNORE';
2200		3046
2201	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3047	$safe->permit_only (Opcode::opset qw(
		3048	:base_core :base_mem :base_orig :base_math
		3049	grepstart grepwhile mapstart mapwhile
		3050	sort time
		3051	));
2202		3052
2203	# here we export the classes and methods available to script code	3053	# here we export the classes and methods available to script code
2204		3054
2205	=pod	3055	=pod
2206		3056
2207	The following functions and methods are available within a safe environment:	3057	The following functions and methods are available within a safe environment:
2208		3058
2209	cf::object contr pay_amount pay_player map	3059	cf::object
		3060	contr pay_amount pay_player map x y force_find force_add destroy
		3061	insert remove name archname title slaying race decrease split
		3062
2210	cf::object::player player	3063	cf::object::player
2211	cf::player peaceful	3064	player
2212	cf::map trigger	3065
		3066	cf::player
		3067	peaceful
		3068
		3069	cf::map
		3070	trigger
2213		3071
2214	=cut	3072	=cut
2215		3073
2216	for (	3074	for (
2217	["cf::object" => qw(contr pay_amount pay_player map)],	3075	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3076	insert remove inv nrof name archname title slaying race
		3077	decrease split destroy change_exp)],
2218	["cf::object::player" => qw(player)],	3078	["cf::object::player" => qw(player)],
2219	["cf::player" => qw(peaceful)],	3079	["cf::player" => qw(peaceful)],
2220	["cf::map" => qw(trigger)],	3080	["cf::map" => qw(trigger)],
2221	) {	3081	) {
2222	no strict 'refs';	3082	no strict 'refs';
…		…
2293	=back	3153	=back
2294		3154
2295	=cut	3155	=cut
2296		3156
2297	#############################################################################	3157	#############################################################################
2298
2299	=head2 EXTENSION DATABASE SUPPORT
2300
2301	Crossfire maintains a very simple database for extension use. It can
2302	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2303	convert to/from binary).
2304
2305	The parameter C<$family> should best start with the name of the extension
2306	using it, it should be unique.
2307
2308	=over 4
2309
2310	=item $value = cf::db_get $family => $key
2311
2312	Returns a single value from the database.
2313
2314	=item cf::db_put $family => $key => $value
2315
2316	Stores the given C<$value> in the family.
2317
2318	=cut
2319
2320	our $DB;
2321
2322	sub db_init {
2323	unless ($DB) {
2324	$DB = BDB::db_create $DB_ENV;
2325
2326	cf::sync_job {
2327	eval {
2328	$DB->set_flags (BDB::CHKSUM);
2329
2330	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2331	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2332	cf::cleanup "db_open(db): $!" if $!;
2333	};
2334	cf::cleanup "db_open(db): $@" if $@;
2335	};
2336	}
2337	}
2338
2339	sub db_get($$) {
2340	my $key = "$_[0]/$_[1]";
2341
2342	cf::sync_job {
2343	BDB::db_get $DB, undef, $key, my $data;
2344
2345	$! ? ()
2346	: $data
2347	}
2348	}
2349
2350	sub db_put($$$) {
2351	BDB::dbreq_pri 4;
2352	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2353	}
2354
2355	=item cf::cache $id => [$paths...], $processversion => $process
2356
2357	Generic caching function that returns the value of the resource $id,
2358	caching and regenerating as required.
2359
2360	This function can block.
2361
2362	=cut
2363
2364	sub cache {
2365	my ($id, $src, $processversion, $process) = @_;
2366
2367	my $meta =
2368	join "\x00",
2369	$processversion,
2370	map {
2371	aio_stat $_
2372	and Carp::croak "$_: $!";
2373
2374	($_, (stat _)[7,9])
2375	} @$src;
2376
2377	my $dbmeta = db_get cache => "$id/meta";
2378	if ($dbmeta ne $meta) {
2379	# changed, we may need to process
2380
2381	my @data;
2382	my $md5;
2383
2384	for (0 .. $#$src) {
2385	0 <= aio_load $src->[$_], $data[$_]
2386	or Carp::croak "$src->[$_]: $!";
2387	}
2388
2389	# if processing is expensive, check
2390	# checksum first
2391	if (1) {
2392	$md5 =
2393	join "\x00",
2394	$processversion,
2395	map {
2396	Coro::cede;
2397	($src->[$_], Digest::MD5::md5_hex $data[$_])
2398	} 0.. $#$src;
2399
2400
2401	my $dbmd5 = db_get cache => "$id/md5";
2402	if ($dbmd5 eq $md5) {
2403	db_put cache => "$id/meta", $meta;
2404
2405	return db_get cache => "$id/data";
2406	}
2407	}
2408
2409	my $t1 = Time::HiRes::time;
2410	my $data = $process->(\@data);
2411	my $t2 = Time::HiRes::time;
2412
2413	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2414
2415	db_put cache => "$id/data", $data;
2416	db_put cache => "$id/md5" , $md5;
2417	db_put cache => "$id/meta", $meta;
2418
2419	return $data;
2420	}
2421
2422	db_get cache => "$id/data"
2423	}
2424
2425	=item fork_call { }, $args
2426
2427	Executes the given code block with the given arguments in a seperate
2428	process, returning the results. Everything must be serialisable with
2429	Coro::Storable. May, of course, block. Note that the executed sub may
2430	never block itself or use any form of Event handling.
2431
2432	=cut
2433
2434	sub fork_call(&@) {
2435	my ($cb, @args) = @_;
2436
2437	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2438	# or die "socketpair: $!";
2439	pipe my $fh1, my $fh2
2440	or die "pipe: $!";
2441
2442	if (my $pid = fork) {
2443	close $fh2;
2444
2445	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2446	$res = Coro::Storable::thaw $res;
2447
2448	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2449
2450	die $$res unless "ARRAY" eq ref $res;
2451
2452	return wantarray ? @$res : $res->[-1];
2453	} else {
2454	reset_signals;
2455	local $SIG{__WARN__};
2456	local $SIG{__DIE__};
2457	eval {
2458	close $fh1;
2459
2460	my @res = eval { $cb->(@args) };
2461	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2462	};
2463
2464	warn $@ if $@;
2465	_exit 0;
2466	}
2467	}
2468
2469
2470
2471	#############################################################################
2472	# the server's init and main functions	3158	# the server's init and main functions
2473		3159
2474	sub load_facedata($) {	3160	sub load_facedata($) {
2475	my ($path) = @_;	3161	my ($path) = @_;
		3162
		3163	# HACK to clear player env face cache, we need some signal framework
		3164	# for this (global event?)
		3165	%ext::player_env::MUSIC_FACE_CACHE = ();
		3166
		3167	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2476		3168
2477	warn "loading facedata from $path\n";	3169	warn "loading facedata from $path\n";
2478		3170
2479	my $facedata;	3171	my $facedata;
2480	0 < aio_load $path, $facedata	3172	0 < aio_load $path, $facedata
…		…
2483	$facedata = Coro::Storable::thaw $facedata;	3175	$facedata = Coro::Storable::thaw $facedata;
2484		3176
2485	$facedata->{version} == 2	3177	$facedata->{version} == 2
2486	or cf::cleanup "$path: version mismatch, cannot proceed.";	3178	or cf::cleanup "$path: version mismatch, cannot proceed.";
2487		3179
		3180	# patch in the exptable
		3181	$facedata->{resource}{"res/exp_table"} = {
		3182	type => FT_RSRC,
		3183	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3184	};
		3185	cf::cede_to_tick;
		3186
2488	{	3187	{
2489	my $faces = $facedata->{faceinfo};	3188	my $faces = $facedata->{faceinfo};
2490		3189
2491	while (my ($face, $info) = each %$faces) {	3190	while (my ($face, $info) = each %$faces) {
2492	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3191	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3192
2493	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3193	cf::face::set_visibility $idx, $info->{visibility};
		3194	cf::face::set_magicmap $idx, $info->{magicmap};
2494	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3195	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2495	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3196	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2496	Coro::cede;	3197
		3198	cf::cede_to_tick;
2497	}	3199	}
2498		3200
2499	while (my ($face, $info) = each %$faces) {	3201	while (my ($face, $info) = each %$faces) {
2500	next unless $info->{smooth};	3202	next unless $info->{smooth};
		3203
2501	my $idx = cf::face::find $face	3204	my $idx = cf::face::find $face
2502	or next;	3205	or next;
		3206
2503	if (my $smooth = cf::face::find $info->{smooth}) {	3207	if (my $smooth = cf::face::find $info->{smooth}) {
		3208	cf::face::set_smooth $idx, $smooth;
2504	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3209	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2505	} else {	3210	} else {
2506	warn "smooth face '$info->{smooth}' not found for face '$face'";	3211	warn "smooth face '$info->{smooth}' not found for face '$face'";
2507	}	3212	}
2508	Coro::cede;	3213
		3214	cf::cede_to_tick;
2509	}	3215	}
2510	}	3216	}
2511		3217
2512	{	3218	{
2513	my $anims = $facedata->{animinfo};	3219	my $anims = $facedata->{animinfo};
2514		3220
2515	while (my ($anim, $info) = each %$anims) {	3221	while (my ($anim, $info) = each %$anims) {
2516	cf::anim::set $anim, $info->{frames}, $info->{facings};	3222	cf::anim::set $anim, $info->{frames}, $info->{facings};
2517	Coro::cede;	3223	cf::cede_to_tick;
2518	}	3224	}
2519		3225
2520	cf::anim::invalidate_all; # d'oh	3226	cf::anim::invalidate_all; # d'oh
2521	}	3227	}
2522		3228
		3229	{
		3230	# TODO: for gcfclient pleasure, we should give resources
		3231	# that gcfclient doesn't grok a >10000 face index.
		3232	my $res = $facedata->{resource};
		3233
		3234	while (my ($name, $info) = each %$res) {
		3235	if (defined $info->{type}) {
		3236	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3237	my $data;
		3238
		3239	if ($info->{type} & 1) {
		3240	# prepend meta info
		3241
		3242	my $meta = $enc->encode ({
		3243	name => $name,
		3244	%{ $info->{meta} || {} },
		3245	});
		3246
		3247	$data = pack "(w/a*)*", $meta, $info->{data};
		3248	} else {
		3249	$data = $info->{data};
		3250	}
		3251
		3252	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3253	cf::face::set_type $idx, $info->{type};
		3254	} else {
		3255	$RESOURCE{$name} = $info;
		3256	}
		3257
		3258	cf::cede_to_tick;
		3259	}
		3260	}
		3261
		3262	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3263
2523	1	3264	1
2524	}	3265	}
2525		3266
		3267	cf::global->attach (on_resource_update => sub {
		3268	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3269	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3270
		3271	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3272	my $sound = $soundconf->{compat}[$_]
		3273	or next;
		3274
		3275	my $face = cf::face::find "sound/$sound->[1]";
		3276	cf::sound::set $sound->[0] => $face;
		3277	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3278	}
		3279
		3280	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3281	my $face = cf::face::find "sound/$v";
		3282	cf::sound::set $k => $face;
		3283	}
		3284	}
		3285	});
		3286
		3287	register_exticmd fx_want => sub {
		3288	my ($ns, $want) = @_;
		3289
		3290	while (my ($k, $v) = each %$want) {
		3291	$ns->fx_want ($k, $v);
		3292	}
		3293	};
		3294
		3295	sub load_resource_file($) {
		3296	my $guard = lock_acquire "load_resource_file";
		3297
		3298	my $status = load_resource_file_ $_[0];
		3299	get_slot 0.1, 100;
		3300	cf::arch::commit_load;
		3301
		3302	$status
		3303	}
		3304
2526	sub reload_regions {	3305	sub reload_regions {
		3306	# HACK to clear player env face cache, we need some signal framework
		3307	# for this (global event?)
		3308	%ext::player_env::MUSIC_FACE_CACHE = ();
		3309
2527	load_resource_file "$MAPDIR/regions"	3310	load_resource_file "$MAPDIR/regions"
2528	or die "unable to load regions file\n";	3311	or die "unable to load regions file\n";
		3312
		3313	for (cf::region::list) {
		3314	$_->{match} = qr/$_->{match}/
		3315	if exists $_->{match};
		3316	}
2529	}	3317	}
2530		3318
2531	sub reload_facedata {	3319	sub reload_facedata {
2532	load_facedata "$DATADIR/facedata"	3320	load_facedata "$DATADIR/facedata"
2533	or die "unable to load facedata\n";	3321	or die "unable to load facedata\n";
…		…
2544	}	3332	}
2545		3333
2546	sub reload_resources {	3334	sub reload_resources {
2547	warn "reloading resource files...\n";	3335	warn "reloading resource files...\n";
2548		3336
2549	reload_regions;
2550	reload_facedata;	3337	reload_facedata;
2551	reload_archetypes;	3338	reload_archetypes;
		3339	reload_regions;
2552	reload_treasures;	3340	reload_treasures;
2553		3341
2554	warn "finished reloading resource files\n";	3342	warn "finished reloading resource files\n";
2555	}	3343	}
2556		3344
2557	sub init {	3345	sub init {
		3346	my $guard = freeze_mainloop;
		3347
		3348	evthread_start IO::AIO::poll_fileno;
		3349
2558	reload_resources;	3350	reload_resources;
2559	}	3351	}
2560		3352
2561	sub cfg_load {	3353	sub reload_config {
2562	open my $fh, "<:utf8", "$CONFDIR/config"	3354	open my $fh, "<:utf8", "$CONFDIR/config"
2563	or return;	3355	or return;
2564		3356
2565	local $/;	3357	local $/;
2566	*CFG = YAML::Syck::Load <$fh>;	3358	*CFG = YAML::Load <$fh>;
2567		3359
2568	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3360	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2569		3361
2570	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3362	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2571	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3363	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2577	};	3369	};
2578	warn $@ if $@;	3370	warn $@ if $@;
2579	}	3371	}
2580	}	3372	}
2581		3373
		3374	sub pidfile() {
		3375	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3376	or die "$PIDFILE: $!";
		3377	flock $fh, &Fcntl::LOCK_EX
		3378	or die "$PIDFILE: flock: $!";
		3379	$fh
		3380	}
		3381
		3382	# make sure only one server instance is running at any one time
		3383	sub atomic {
		3384	my $fh = pidfile;
		3385
		3386	my $pid = <$fh>;
		3387	kill 9, $pid if $pid > 0;
		3388
		3389	seek $fh, 0, 0;
		3390	print $fh $$;
		3391	}
		3392
2582	sub main {	3393	sub main {
		3394	atomic;
		3395
2583	# we must not ever block the main coroutine	3396	# we must not ever block the main coroutine
2584	local $Coro::idle = sub {	3397	local $Coro::idle = sub {
2585	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3398	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2586	(async {	3399	(async {
2587	Event::one_event;	3400	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3401	EV::loop EV::LOOP_ONESHOT;
2588	})->prio (Coro::PRIO_MAX);	3402	})->prio (Coro::PRIO_MAX);
2589	};	3403	};
2590		3404
2591	cfg_load;	3405	{
		3406	my $guard = freeze_mainloop;
		3407	reload_config;
2592	db_init;	3408	db_init;
2593	load_extensions;	3409	load_extensions;
2594		3410
2595	$TICK_WATCHER->start;	3411	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3412	}
		3413
		3414	utime time, time, $RUNTIMEFILE;
		3415
		3416	# no (long-running) fork's whatsoever before this point(!)
		3417	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3418
2596	Event::loop;	3419	EV::loop;
2597	}	3420	}
2598		3421
2599	#############################################################################	3422	#############################################################################
2600	# initialisation and cleanup	3423	# initialisation and cleanup
2601		3424
2602	# install some emergency cleanup handlers	3425	# install some emergency cleanup handlers
2603	BEGIN {	3426	BEGIN {
		3427	our %SIGWATCHER = ();
2604	for my $signal (qw(INT HUP TERM)) {	3428	for my $signal (qw(INT HUP TERM)) {
2605	Event->signal (	3429	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2606	reentrant => 0,
2607	data => WF_AUTOCANCEL,
2608	signal => $signal,
2609	prio => 0,
2610	cb => sub {
2611	cf::cleanup "SIG$signal";	3430	cf::cleanup "SIG$signal";
2612	},
2613	);	3431	};
		3432	}
		3433	}
		3434
		3435	sub write_runtime_sync {
		3436	# first touch the runtime file to show we are still running:
		3437	# the fsync below can take a very very long time.
		3438
		3439	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3440
		3441	my $guard = cf::lock_acquire "write_runtime";
		3442
		3443	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3444	or return;
		3445
		3446	my $value = $cf::RUNTIME + 90 + 10;
		3447	# 10 is the runtime save interval, for a monotonic clock
		3448	# 60 allows for the watchdog to kill the server.
		3449
		3450	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3451	and return;
		3452
		3453	# always fsync - this file is important
		3454	aio_fsync $fh
		3455	and return;
		3456
		3457	# touch it again to show we are up-to-date
		3458	aio_utime $fh, undef, undef;
		3459
		3460	close $fh
		3461	or return;
		3462
		3463	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3464	and return;
		3465
		3466	warn "runtime file written.\n";
		3467
2614	}	3468	1
		3469	}
		3470
		3471	our $uuid_lock;
		3472	our $uuid_skip;
		3473
		3474	sub write_uuid_sync($) {
		3475	$uuid_skip ||= $_[0];
		3476
		3477	return if $uuid_lock;
		3478	local $uuid_lock = 1;
		3479
		3480	my $uuid = "$LOCALDIR/uuid";
		3481
		3482	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3483	or return;
		3484
		3485	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3486	$uuid_skip = 0;
		3487
		3488	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3489	and return;
		3490
		3491	# always fsync - this file is important
		3492	aio_fsync $fh
		3493	and return;
		3494
		3495	close $fh
		3496	or return;
		3497
		3498	aio_rename "$uuid~", $uuid
		3499	and return;
		3500
		3501	warn "uuid file written ($value).\n";
		3502
		3503	1
		3504
		3505	}
		3506
		3507	sub write_uuid($$) {
		3508	my ($skip, $sync) = @_;
		3509
		3510	$sync ? write_uuid_sync $skip
		3511	: async { write_uuid_sync $skip };
2615	}	3512	}
2616		3513
2617	sub emergency_save() {	3514	sub emergency_save() {
2618	my $freeze_guard = cf::freeze_mainloop;	3515	my $freeze_guard = cf::freeze_mainloop;
2619		3516
…		…
2625	# and maps saved/destroyed asynchronously.	3522	# and maps saved/destroyed asynchronously.
2626	warn "begin emergency player save\n";	3523	warn "begin emergency player save\n";
2627	for my $login (keys %cf::PLAYER) {	3524	for my $login (keys %cf::PLAYER) {
2628	my $pl = $cf::PLAYER{$login} or next;	3525	my $pl = $cf::PLAYER{$login} or next;
2629	$pl->valid or next;	3526	$pl->valid or next;
		3527	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2630	$pl->save;	3528	$pl->save;
2631	}	3529	}
2632	warn "end emergency player save\n";	3530	warn "end emergency player save\n";
2633		3531
2634	warn "begin emergency map save\n";	3532	warn "begin emergency map save\n";
…		…
2640	warn "end emergency map save\n";	3538	warn "end emergency map save\n";
2641		3539
2642	warn "begin emergency database checkpoint\n";	3540	warn "begin emergency database checkpoint\n";
2643	BDB::db_env_txn_checkpoint $DB_ENV;	3541	BDB::db_env_txn_checkpoint $DB_ENV;
2644	warn "end emergency database checkpoint\n";	3542	warn "end emergency database checkpoint\n";
		3543
		3544	warn "begin write uuid\n";
		3545	write_uuid_sync 1;
		3546	warn "end write uuid\n";
2645	};	3547	};
2646		3548
2647	warn "leave emergency perl save\n";	3549	warn "leave emergency perl save\n";
2648	}	3550	}
2649		3551
2650	sub post_cleanup {	3552	sub post_cleanup {
2651	my ($make_core) = @_;	3553	my ($make_core) = @_;
2652		3554
2653	warn Carp::longmess "post_cleanup backtrace"	3555	warn Carp::longmess "post_cleanup backtrace"
2654	if $make_core;	3556	if $make_core;
		3557
		3558	my $fh = pidfile;
		3559	unlink $PIDFILE if <$fh> == $$;
2655	}	3560	}
		3561
		3562	# a safer delete_package, copied from Symbol
		3563	sub clear_package($) {
		3564	my $pkg = shift;
		3565
		3566	# expand to full symbol table name if needed
		3567	unless ($pkg =~ /^main::.*::$/) {
		3568	$pkg = "main$pkg" if $pkg =~ /^::/;
		3569	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3570	$pkg .= '::' unless $pkg =~ /::$/;
		3571	}
		3572
		3573	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3574	my $stem_symtab = *{$stem}{HASH};
		3575
		3576	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3577	or return;
		3578
		3579	# clear all symbols
		3580	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3581	for my $name (keys %$leaf_symtab) {
		3582	_gv_clear *{"$pkg$name"};
		3583	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3584	}
		3585	warn "cleared package #$pkg\n";#d#
		3586	}
		3587
		3588	our $RELOAD; # how many times to reload
2656		3589
2657	sub do_reload_perl() {	3590	sub do_reload_perl() {
2658	# can/must only be called in main	3591	# can/must only be called in main
2659	if ($Coro::current != $Coro::main) {	3592	if ($Coro::current != $Coro::main) {
2660	warn "can only reload from main coroutine";	3593	warn "can only reload from main coroutine";
2661	return;	3594	return;
2662	}	3595	}
2663		3596
		3597	return if $RELOAD++;
		3598
		3599	while ($RELOAD) {
2664	warn "reloading...";	3600	warn "reloading...";
2665		3601
2666	warn "entering sync_job";	3602	warn "entering sync_job";
2667		3603
2668	cf::sync_job {	3604	cf::sync_job {
2669	cf::write_runtime; # external watchdog should not bark	3605	cf::write_runtime_sync; # external watchdog should not bark
2670	cf::emergency_save;	3606	cf::emergency_save;
2671	cf::write_runtime; # external watchdog should not bark	3607	cf::write_runtime_sync; # external watchdog should not bark
2672		3608
2673	warn "syncing database to disk";	3609	warn "syncing database to disk";
2674	BDB::db_env_txn_checkpoint $DB_ENV;	3610	BDB::db_env_txn_checkpoint $DB_ENV;
2675		3611
2676	# if anything goes wrong in here, we should simply crash as we already saved	3612	# if anything goes wrong in here, we should simply crash as we already saved
2677		3613
2678	warn "cancelling all WF_AUTOCANCEL watchers";
2679	for (Event::all_watchers) {
2680	$_->cancel if $_->data & WF_AUTOCANCEL;
2681	}
2682
2683	warn "flushing outstanding aio requests";	3614	warn "flushing outstanding aio requests";
2684	for (;;) {
2685	BDB::flush;
2686	IO::AIO::flush;
2687	Coro::cede;
2688	last unless IO::AIO::nreqs || BDB::nreqs;	3615	while (IO::AIO::nreqs || BDB::nreqs) {
2689	warn "iterate...";	3616	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2690	}
2691
2692	++$RELOAD;
2693
2694	warn "cancelling all extension coros";
2695	$_->cancel for values %EXT_CORO;
2696	%EXT_CORO = ();
2697
2698	warn "removing commands";
2699	%COMMAND = ();
2700
2701	warn "removing ext commands";
2702	%EXTCMD = ();
2703
2704	warn "unloading/nuking all extensions";
2705	for my $pkg (@EXTS) {
2706	warn "... unloading $pkg";
2707
2708	if (my $cb = $pkg->can ("unload")) {
2709	eval {
2710	$cb->($pkg);
2711	1
2712	} or warn "$pkg unloaded, but with errors: $@";
2713	}	3617	}
2714		3618
2715	warn "... nuking $pkg";	3619	warn "cancelling all extension coros";
2716	Symbol::delete_package $pkg;	3620	$_->cancel for values %EXT_CORO;
2717	}	3621	%EXT_CORO = ();
2718		3622
2719	warn "unloading all perl modules loaded from $LIBDIR";	3623	warn "removing commands";
2720	while (my ($k, $v) = each %INC) {	3624	%COMMAND = ();
2721	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2722		3625
		3626	warn "removing ext/exti commands";
		3627	%EXTCMD = ();
		3628	%EXTICMD = ();
		3629
		3630	warn "unloading/nuking all extensions";
		3631	for my $pkg (@EXTS) {
2723	warn "... unloading $k";	3632	warn "... unloading $pkg";
2724	delete $INC{$k};
2725		3633
2726	$k =~ s/\.pm$//;
2727	$k =~ s/\//::/g;
2728
2729	if (my $cb = $k->can ("unload_module")) {	3634	if (my $cb = $pkg->can ("unload")) {
		3635	eval {
2730	$cb->();	3636	$cb->($pkg);
		3637	1
		3638	} or warn "$pkg unloaded, but with errors: $@";
		3639	}
		3640
		3641	warn "... clearing $pkg";
		3642	clear_package $pkg;
2731	}	3643	}
2732		3644
2733	Symbol::delete_package $k;	3645	warn "unloading all perl modules loaded from $LIBDIR";
		3646	while (my ($k, $v) = each %INC) {
		3647	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3648
		3649	warn "... unloading $k";
		3650	delete $INC{$k};
		3651
		3652	$k =~ s/\.pm$//;
		3653	$k =~ s/\//::/g;
		3654
		3655	if (my $cb = $k->can ("unload_module")) {
		3656	$cb->();
		3657	}
		3658
		3659	clear_package $k;
2734	}	3660	}
2735		3661
2736	warn "getting rid of safe::, as good as possible";	3662	warn "getting rid of safe::, as good as possible";
2737	Symbol::delete_package "safe::$_"	3663	clear_package "safe::$_"
2738	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3664	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2739		3665
2740	warn "unloading cf.pm \"a bit\"";	3666	warn "unloading cf.pm \"a bit\"";
2741	delete $INC{"cf.pm"};	3667	delete $INC{"cf.pm"};
2742	delete $INC{"cf/pod.pm"};	3668	delete $INC{"cf/pod.pm"};
2743		3669
2744	# don't, removes xs symbols, too,	3670	# don't, removes xs symbols, too,
2745	# and global variables created in xs	3671	# and global variables created in xs
2746	#Symbol::delete_package __PACKAGE__;	3672	#clear_package __PACKAGE__;
2747		3673
2748	warn "unload completed, starting to reload now";	3674	warn "unload completed, starting to reload now";
2749		3675
2750	warn "reloading cf.pm";	3676	warn "reloading cf.pm";
2751	require cf;	3677	require cf;
2752	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3678	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2753		3679
2754	warn "loading config and database again";	3680	warn "loading config and database again";
2755	cf::cfg_load;	3681	cf::reload_config;
2756		3682
2757	warn "loading extensions";	3683	warn "loading extensions";
2758	cf::load_extensions;	3684	cf::load_extensions;
2759		3685
2760	warn "reattaching attachments to objects/players";	3686	warn "reattaching attachments to objects/players";
2761	_global_reattach; # objects, sockets	3687	_global_reattach; # objects, sockets
2762	warn "reattaching attachments to maps";	3688	warn "reattaching attachments to maps";
2763	reattach $_ for values %MAP;	3689	reattach $_ for values %MAP;
2764	warn "reattaching attachments to players";	3690	warn "reattaching attachments to players";
2765	reattach $_ for values %PLAYER;	3691	reattach $_ for values %PLAYER;
2766		3692
2767	warn "leaving sync_job";	3693	warn "leaving sync_job";
2768		3694
2769	1	3695	1
2770	} or do {	3696	} or do {
2771	warn $@;	3697	warn $@;
2772	warn "error while reloading, exiting.";	3698	cf::cleanup "error while reloading, exiting.";
2773	exit 1;
2774	};	3699	};
2775		3700
2776	warn "reloaded";	3701	warn "reloaded";
		3702	--$RELOAD;
		3703	}
2777	};	3704	};
2778		3705
2779	our $RELOAD_WATCHER; # used only during reload	3706	our $RELOAD_WATCHER; # used only during reload
2780		3707
2781	sub reload_perl() {	3708	sub reload_perl() {
2782	# doing reload synchronously and two reloads happen back-to-back,	3709	# doing reload synchronously and two reloads happen back-to-back,
2783	# coro crashes during coro_state_free->destroy here.	3710	# coro crashes during coro_state_free->destroy here.
2784		3711
2785	$RELOAD_WATCHER ||= Event->timer (	3712	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2786	reentrant => 0,
2787	after => 0,
2788	data => WF_AUTOCANCEL,
2789	cb => sub {
2790	do_reload_perl;	3713	do_reload_perl;
2791	undef $RELOAD_WATCHER;	3714	undef $RELOAD_WATCHER;
2792	},
2793	);	3715	};
2794	}	3716	}
2795		3717
2796	register_command "reload" => sub {	3718	register_command "reload" => sub {
2797	my ($who, $arg) = @_;	3719	my ($who, $arg) = @_;
2798		3720
2799	if ($who->flag (FLAG_WIZ)) {	3721	if ($who->flag (FLAG_WIZ)) {
2800	$who->message ("reloading server.");	3722	$who->message ("reloading server.");
		3723	async {
		3724	$Coro::current->{desc} = "perl_reload";
2801	async { reload_perl };	3725	reload_perl;
		3726	};
2802	}	3727	}
2803	};	3728	};
2804		3729
2805	unshift @INC, $LIBDIR;	3730	unshift @INC, $LIBDIR;
2806		3731
…		…
2808		3733
2809	our @WAIT_FOR_TICK;	3734	our @WAIT_FOR_TICK;
2810	our @WAIT_FOR_TICK_BEGIN;	3735	our @WAIT_FOR_TICK_BEGIN;
2811		3736
2812	sub wait_for_tick {	3737	sub wait_for_tick {
2813	return unless $TICK_WATCHER->is_active;
2814	return if $Coro::current == $Coro::main;	3738	return if tick_inhibit || $Coro::current == $Coro::main;
2815		3739
2816	my $signal = new Coro::Signal;	3740	my $signal = new Coro::Signal;
2817	push @WAIT_FOR_TICK, $signal;	3741	push @WAIT_FOR_TICK, $signal;
2818	$signal->wait;	3742	$signal->wait;
2819	}	3743	}
2820		3744
2821	sub wait_for_tick_begin {	3745	sub wait_for_tick_begin {
2822	return unless $TICK_WATCHER->is_active;
2823	return if $Coro::current == $Coro::main;	3746	return if tick_inhibit || $Coro::current == $Coro::main;
2824		3747
2825	my $signal = new Coro::Signal;	3748	my $signal = new Coro::Signal;
2826	push @WAIT_FOR_TICK_BEGIN, $signal;	3749	push @WAIT_FOR_TICK_BEGIN, $signal;
2827	$signal->wait;	3750	$signal->wait;
2828	}	3751	}
2829		3752
2830	$TICK_WATCHER = Event->timer (	3753	sub tick {
2831	reentrant => 0,
2832	parked => 1,
2833	prio => 0,
2834	at => $NEXT_TICK || $TICK,
2835	data => WF_AUTOCANCEL,
2836	cb => sub {
2837	if ($Coro::current != $Coro::main) {	3754	if ($Coro::current != $Coro::main) {
2838	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3755	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2839	unless ++$bug_warning > 10;	3756	unless ++$bug_warning > 10;
2840	return;	3757	return;
2841	}	3758	}
2842		3759
2843	$NOW = Event::time;
2844
2845	cf::server_tick; # one server iteration	3760	cf::server_tick; # one server iteration
2846		3761
2847	$RUNTIME += $TICK;
2848	$NEXT_TICK += $TICK;
2849
2850	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3762	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2851	$NEXT_RUNTIME_WRITE = $NOW + 10;	3763	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2852	Coro::async_pool {	3764	Coro::async_pool {
		3765	$Coro::current->{desc} = "runtime saver";
2853	write_runtime	3766	write_runtime_sync
2854	or warn "ERROR: unable to write runtime file: $!";	3767	or warn "ERROR: unable to write runtime file: $!";
2855	};
2856	}	3768	};
		3769	}
2857		3770
2858	# my $AFTER = Event::time;
2859	# warn $AFTER - $NOW;#d#
2860
2861	# if we are delayed by four ticks or more, skip them all
2862	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2863
2864	$TICK_WATCHER->at ($NEXT_TICK);
2865	$TICK_WATCHER->start;
2866
2867	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3771	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2868	$sig->send;	3772	$sig->send;
2869	}	3773	}
2870	while (my $sig = shift @WAIT_FOR_TICK) {	3774	while (my $sig = shift @WAIT_FOR_TICK) {
2871	$sig->send;	3775	$sig->send;
2872	}
2873
2874	_post_tick;
2875	},	3776	}
2876	);	3777
		3778	$LOAD = ($NOW - $TICK_START) / $TICK;
		3779	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3780
		3781	if (0) {
		3782	if ($NEXT_TICK) {
		3783	my $jitter = $TICK_START - $NEXT_TICK;
		3784	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3785	warn "jitter $JITTER\n";#d#
		3786	}
		3787	}
		3788	}
2877		3789
2878	{	3790	{
2879	BDB::max_poll_time $TICK * 0.1;	3791	# configure BDB
2880	$BDB_POLL_WATCHER = Event->io (	3792
2881	reentrant => 0,
2882	fd => BDB::poll_fileno,
2883	poll => 'r',
2884	prio => 0,
2885	data => WF_AUTOCANCEL,
2886	cb => \&BDB::poll_cb,
2887	);
2888	BDB::min_parallel 8;	3793	BDB::min_parallel 8;
2889		3794	BDB::max_poll_reqs $TICK * 0.1;
2890	BDB::set_sync_prepare {	3795	$AnyEvent::BDB::WATCHER->priority (1);
2891	my $status;
2892	my $current = $Coro::current;
2893	(
2894	sub {
2895	$status = $!;
2896	$current->ready; undef $current;
2897	},
2898	sub {
2899	Coro::schedule while defined $current;
2900	$! = $status;
2901	},
2902	)
2903	};
2904		3796
2905	unless ($DB_ENV) {	3797	unless ($DB_ENV) {
2906	$DB_ENV = BDB::db_env_create;	3798	$DB_ENV = BDB::db_env_create;
		3799	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3800	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3801	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3802	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3803	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2907		3804
2908	cf::sync_job {	3805	cf::sync_job {
2909	eval {	3806	eval {
2910	BDB::db_env_open	3807	BDB::db_env_open
2911	$DB_ENV,	3808	$DB_ENV,
…		…
2913	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3810	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2914	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3811	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2915	0666;	3812	0666;
2916		3813
2917	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3814	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2918
2919	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2920	$DB_ENV->set_lk_detect;
2921	};	3815	};
2922		3816
2923	cf::cleanup "db_env_open(db): $@" if $@;	3817	cf::cleanup "db_env_open(db): $@" if $@;
2924	};	3818	};
2925	}	3819	}
		3820
		3821	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3822	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3823	};
		3824	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3825	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3826	};
		3827	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3828	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3829	};
2926	}	3830	}
2927		3831
2928	{	3832	{
		3833	# configure IO::AIO
		3834
2929	IO::AIO::min_parallel 8;	3835	IO::AIO::min_parallel 8;
2930
2931	undef $Coro::AIO::WATCHER;
2932	IO::AIO::max_poll_time $TICK * 0.1;	3836	IO::AIO::max_poll_time $TICK * 0.1;
2933	$AIO_POLL_WATCHER = Event->io (	3837	undef $AnyEvent::AIO::WATCHER;
2934	reentrant => 0,
2935	data => WF_AUTOCANCEL,
2936	fd => IO::AIO::poll_fileno,
2937	poll => 'r',
2938	prio => 6,
2939	cb => \&IO::AIO::poll_cb,
2940	);
2941	}	3838	}
2942		3839
2943	my $_log_backtrace;	3840	my $_log_backtrace;
2944		3841
2945	sub _log_backtrace {	3842	sub _log_backtrace {
…		…
2948	$msg =~ s/\n//;	3845	$msg =~ s/\n//;
2949		3846
2950	# limit the # of concurrent backtraces	3847	# limit the # of concurrent backtraces
2951	if ($_log_backtrace < 2) {	3848	if ($_log_backtrace < 2) {
2952	++$_log_backtrace;	3849	++$_log_backtrace;
		3850	my $perl_bt = Carp::longmess $msg;
2953	async {	3851	async {
		3852	$Coro::current->{desc} = "abt $msg";
		3853
2954	my @bt = fork_call {	3854	my @bt = fork_call {
2955	@addr = map { sprintf "%x", $_ } @addr;	3855	@addr = map { sprintf "%x", $_ } @addr;
2956	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3856	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2957	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3857	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2958	or die "addr2line: $!";	3858	or die "addr2line: $!";
…		…
2966	}	3866	}
2967		3867
2968	@funcs	3868	@funcs
2969	};	3869	};
2970		3870
2971	LOG llevInfo, "[ABT] $msg\n";	3871	LOG llevInfo, "[ABT] $perl_bt\n";
		3872	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
2972	LOG llevInfo, "[ABT] $_\n" for @bt;	3873	LOG llevInfo, "[ABT] $_\n" for @bt;
2973	--$_log_backtrace;	3874	--$_log_backtrace;
2974	};	3875	};
2975	} else {	3876	} else {
2976	LOG llevInfo, "[ABT] $msg\n";	3877	LOG llevInfo, "[ABT] $msg\n";

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