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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.240 by root, Mon Apr 16 10:14:25 2007 UTC vs.
Revision 1.448 by root, Fri Sep 19 05:30:23 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
9	use Event;	31	use EV;
10	use Opcode;	32	use Opcode;
11	use Safe;	33	use Safe;
12	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
13		36
14	use Coro 3.52 ();	37	use Coro ();
15	use Coro::State;	38	use Coro::State;
		39	use Coro::Handle;
		40	use Coro::EV;
16	use Coro::Event;	41	use Coro::AnyEvent;
17	use Coro::Timer;	42	use Coro::Timer;
18	use Coro::Signal;	43	use Coro::Signal;
19	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
20	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
21	use Coro::Storable;	48	use Coro::Storable;
		49	use Coro::Util ();
22		50
		51	use JSON::XS 2.01 ();
23	use BDB ();	52	use BDB ();
24	use Data::Dumper;	53	use Data::Dumper;
25	use Digest::MD5;	54	use Digest::MD5;
26	use Fcntl;	55	use Fcntl;
27	use YAML::Syck ();	56	use YAML ();
28	use IO::AIO 2.32 ();	57	use IO::AIO ();
29	use Time::HiRes;	58	use Time::HiRes;
30	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
31		63
32	# configure various modules to our taste	64	# configure various modules to our taste
33	#	65	#
34	$Storable::canonical = 1; # reduce rsync transfers	66	$Storable::canonical = 1; # reduce rsync transfers
35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
36	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
37
38	$Event::Eval = 1; # no idea why this is required, but it is
39
40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
41	$YAML::Syck::ImplicitUnicode = 1;
42		68
43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	69	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		70
		71	{
		72	# very ugly, but ensure we acquire the storable lock
		73
		74	sub net_mstore {
		75	my $guard = Coro::Storable::guard;
		76	&Storable::net_mstore
		77	}
		78
		79	sub mretrieve {
		80	my $guard = Coro::Storable::guard;
		81	&Storable::mretrieve
		82	}
		83
		84	Compress::LZF::set_serializer "Coro::Storable", "cf::net_mstore", "cf::mretrieve";
		85	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		86	}
44		87
45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	88	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
46		89
47	our %COMMAND = ();	90	our %COMMAND = ();
48	our %COMMAND_TIME = ();	91	our %COMMAND_TIME = ();
49		92
50	our @EXTS = (); # list of extension package names	93	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	94	our %EXTCMD = ();
		95	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	96	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	97	our %EXT_MAP = (); # pluggable maps
54		98
55	our $RELOAD; # number of reloads so far	99	our $RELOAD; # number of reloads so far
56	our @EVENT;	100	our @EVENT;
57	our $LIBDIR = datadir . "/ext";
58		101
59	our $TICK = MAX_TIME * 1e-6;	102	our $CONFDIR = confdir;
60	our $TICK_WATCHER;	103	our $DATADIR = datadir;
61	our $AIO_POLL_WATCHER;	104	our $LIBDIR = "$DATADIR/ext";
		105	our $PODDIR = "$DATADIR/pod";
		106	our $MAPDIR = "$DATADIR/" . mapdir;
		107	our $LOCALDIR = localdir;
		108	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		109	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		110	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		111	our $RANDOMDIR = "$LOCALDIR/random";
		112	our $BDBDIR = "$LOCALDIR/db";
		113	our $PIDFILE = "$LOCALDIR/pid";
		114	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		115
		116	our %RESOURCE;
		117
		118	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	119	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	120	our $NEXT_TICK;
64	our $NOW;
65	our $USE_FSYNC = 1; # use fsync to write maps - default off	121	our $USE_FSYNC = 1; # use fsync to write maps - default off
66		122
		123	our $BDB_DEADLOCK_WATCHER;
		124	our $BDB_CHECKPOINT_WATCHER;
67	our $BDB_POLL_WATCHER;	125	our $BDB_TRICKLE_WATCHER;
68	our $DB_ENV;	126	our $DB_ENV;
69		127
70	our %CFG;	128	our %CFG;
71		129
72	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
73	our $RUNTIME;	131	our $RUNTIME;
		132	our $NOW;
74		133
75	our %PLAYER; # all users	134	our (%PLAYER, %PLAYER_LOADING); # all users
76	our %MAP; # all maps	135	our (%MAP, %MAP_LOADING ); # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	136	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80		137
81	# used to convert map paths into valid unix filenames by replacing / by ∕	138	# used to convert map paths into valid unix filenames by replacing / by ∕
82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	139	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
83		140
		141	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		142	our $LOADAVG; # same thing, but with alpha-smoothing
		143	our $JITTER; # average jitter
		144	our $TICK_START; # for load detecting purposes
		145
84	binmode STDOUT;	146	binmode STDOUT;
85	binmode STDERR;	147	binmode STDERR;
86		148
87	# read virtual server time, if available	149	# read virtual server time, if available
88	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	150	unless ($RUNTIME || !-e $RUNTIMEFILE) {
89	open my $fh, "<", cf::localdir . "/runtime"	151	open my $fh, "<", $RUNTIMEFILE
90	or die "unable to read runtime file: $!";	152	or die "unable to read $RUNTIMEFILE file: $!";
91	$RUNTIME = <$fh> + 0.;	153	$RUNTIME = <$fh> + 0.;
92	}	154	}
93		155
94	mkdir cf::localdir;	156	mkdir $_
95	mkdir cf::localdir . "/" . cf::playerdir;	157	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
96	mkdir cf::localdir . "/" . cf::tmpdir;
97	mkdir cf::localdir . "/" . cf::uniquedir;
98	mkdir $RANDOM_MAPS;
99	mkdir $BDB_ENV_DIR;
100		158
101	our $EMERGENCY_POSITION;	159	our $EMERGENCY_POSITION;
102		160
103	sub cf::map::normalise;	161	sub cf::map::normalise;
104		162
…		…
115	=item $cf::RUNTIME	173	=item $cf::RUNTIME
116		174
117	The time this server has run, starts at 0 and is increased by $cf::TICK on	175	The time this server has run, starts at 0 and is increased by $cf::TICK on
118	every server tick.	176	every server tick.
119		177
120	=item $cf::LIBDIR	178	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		179	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		180	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
121		181
122	The perl library directory, where extensions and cf-specific modules can	182	Various directories - "/etc", read-only install directory, perl-library
123	be found. It will be added to C<@INC> automatically.	183	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		184	unique-items directory, player file directory, random maps directory and
		185	database environment.
124		186
125	=item $cf::NOW	187	=item $cf::NOW
126		188
127	The time of the last (current) server tick.	189	The time of the last (current) server tick.
128		190
129	=item $cf::TICK	191	=item $cf::TICK
130		192
131	The interval between server ticks, in seconds.	193	The interval between server ticks, in seconds.
132		194
		195	=item $cf::LOADAVG
		196
		197	The current CPU load on the server (alpha-smoothed), as a value between 0
		198	(none) and 1 (overloaded), indicating how much time is spent on processing
		199	objects per tick. Healthy values are < 0.5.
		200
		201	=item $cf::LOAD
		202
		203	The raw value load value from the last tick.
		204
133	=item %cf::CFG	205	=item %cf::CFG
134		206
135	Configuration for the server, loaded from C</etc/crossfire/config>, or	207	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
136	from wherever your confdir points to.	208	from wherever your confdir points to.
137		209
138	=item cf::wait_for_tick, cf::wait_for_tick_begin	210	=item cf::wait_for_tick, cf::wait_for_tick_begin
139		211
140	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	212	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
141	returns directly I<after> the tick processing (and consequently, can only wake one process	213	returns directly I<after> the tick processing (and consequently, can only wake one process
142	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	214	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
143		215
		216	=item @cf::INVOKE_RESULTS
		217
		218	This array contains the results of the last C<invoke ()> call. When
		219	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		220	that call.
		221
144	=back	222	=back
145		223
146	=cut	224	=cut
147		225
148	BEGIN {	226	BEGIN {
149	*CORE::GLOBAL::warn = sub {	227	*CORE::GLOBAL::warn = sub {
150	my $msg = join "", @_;	228	my $msg = join "", @_;
151	utf8::encode $msg;
152		229
153	$msg .= "\n"	230	$msg .= "\n"
154	unless $msg =~ /\n$/;	231	unless $msg =~ /\n$/;
155		232
		233	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		234
156	LOG llevError, $msg;	235	LOG llevError, $msg;
157	};	236	};
158	}	237	}
		238
		239	$Coro::State::DIEHOOK = sub {
		240	return unless $^S eq 0; # "eq", not "=="
		241
		242	if ($Coro::current == $Coro::main) {#d#
		243	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		244	return;#d#
		245	}#d#
		246
		247	# kill coroutine otherwise
		248	warn Carp::longmess $_[0];
		249	Coro::terminate
		250	};
		251
		252	$SIG{__DIE__} = sub { }; #d#?
159		253
160	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	254	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
161	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	255	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
162	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	256	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
163	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	257	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
164	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	258	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		259	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
165	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	260	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
166		261
167	# we bless all objects into (empty) derived classes to force a method lookup	262	# we bless all objects into (empty) derived classes to force a method lookup
168	# within the Safe compartment.	263	# within the Safe compartment.
169	for my $pkg (qw(	264	for my $pkg (qw(
170	cf::global cf::attachable	265	cf::global cf::attachable
171	cf::object cf::object::player	266	cf::object cf::object::player
172	cf::client cf::player	267	cf::client cf::player
173	cf::arch cf::living	268	cf::arch cf::living
		269	cf::map cf::mapspace
174	cf::map cf::party cf::region	270	cf::party cf::region
175	)) {	271	)) {
176	no strict 'refs';
177	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	272	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
178	}	273	}
179		274
180	$Event::DIED = sub {	275	$EV::DIED = sub {
181	warn "error in event callback: @_";	276	warn "error in event callback: @_";
182	};	277	};
		278
		279	#############################################################################
183		280
184	=head2 UTILITY FUNCTIONS	281	=head2 UTILITY FUNCTIONS
185		282
186	=over 4	283	=over 4
187		284
…		…
206	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	303	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
207	$d	304	$d
208	} || "[unable to dump $_[0]: '$@']";	305	} || "[unable to dump $_[0]: '$@']";
209	}	306	}
210		307
211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
212
213	=item $ref = cf::from_json $json	308	=item $ref = cf::decode_json $json
214		309
215	Converts a JSON string into the corresponding perl data structure.	310	Converts a JSON string into the corresponding perl data structure.
216		311
217	=item $json = cf::to_json $ref	312	=item $json = cf::encode_json $ref
218		313
219	Converts a perl data structure into its JSON representation.	314	Converts a perl data structure into its JSON representation.
		315
		316	=cut
		317
		318	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		319
		320	sub encode_json($) { $json_coder->encode ($_[0]) }
		321	sub decode_json($) { $json_coder->decode ($_[0]) }
220		322
221	=item cf::lock_wait $string	323	=item cf::lock_wait $string
222		324
223	Wait until the given lock is available. See cf::lock_acquire.	325	Wait until the given lock is available. See cf::lock_acquire.
224		326
…		…
227	Wait until the given lock is available and then acquires it and returns	329	Wait until the given lock is available and then acquires it and returns
228	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	330	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
229	for example when the coroutine gets canceled), the lock is automatically	331	for example when the coroutine gets canceled), the lock is automatically
230	returned.	332	returned.
231		333
		334	Locks are *not* recursive, locking from the same coro twice results in a
		335	deadlocked coro.
		336
232	Lock names should begin with a unique identifier (for example, cf::map::find	337	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	338	uses map_find and cf::map::load uses map_load).
234		339
		340	=item $locked = cf::lock_active $string
		341
		342	Return true if the lock is currently active, i.e. somebody has locked it.
		343
235	=cut	344	=cut
236		345
237	our %LOCK;	346	our %LOCK;
		347	our %LOCKER;#d#
238		348
239	sub lock_wait($) {	349	sub lock_wait($) {
240	my ($key) = @_;	350	my ($key) = @_;
		351
		352	if ($LOCKER{$key} == $Coro::current) {#d#
		353	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		354	return;#d#
		355	}#d#
241		356
242	# wait for lock, if any	357	# wait for lock, if any
243	while ($LOCK{$key}) {	358	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;	359	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;	360	Coro::schedule;
…		…
251		366
252	# wait, to be sure we are not locked	367	# wait, to be sure we are not locked
253	lock_wait $key;	368	lock_wait $key;
254		369
255	$LOCK{$key} = [];	370	$LOCK{$key} = [];
		371	$LOCKER{$key} = $Coro::current;#d#
256		372
257	Coro::guard {	373	Coro::guard {
		374	delete $LOCKER{$key};#d#
258	# wake up all waiters, to be on the safe side	375	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	376	$_->ready for @{ delete $LOCK{$key} };
260	}	377	}
261	}	378	}
262		379
		380	sub lock_active($) {
		381	my ($key) = @_;
		382
		383	! ! $LOCK{$key}
		384	}
		385
263	sub freeze_mainloop {	386	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	387	tick_inhibit_inc;
265		388
266	my $guard = Coro::guard {	389	Coro::guard \&tick_inhibit_dec;
267	$TICK_WATCHER->start;	390	}
		391
		392	=item cf::periodic $interval, $cb
		393
		394	Like EV::periodic, but randomly selects a starting point so that the actions
		395	get spread over timer.
		396
		397	=cut
		398
		399	sub periodic($$) {
		400	my ($interval, $cb) = @_;
		401
		402	my $start = rand List::Util::min 180, $interval;
		403
		404	EV::periodic $start, $interval, 0, $cb
		405	}
		406
		407	=item cf::get_slot $time[, $priority[, $name]]
		408
		409	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		410	This call blocks and returns only when you have at least C<$time> seconds
		411	of cpu time till the next tick. The slot is only valid till the next cede.
		412
		413	The optional C<$name> can be used to identify the job to run. It might be
		414	used for statistical purposes and should identify the same time-class.
		415
		416	Useful for short background jobs.
		417
		418	=cut
		419
		420	our @SLOT_QUEUE;
		421	our $SLOT_QUEUE;
		422
		423	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		424	$SLOT_QUEUE = Coro::async {
		425	$Coro::current->desc ("timeslot manager");
		426
		427	my $signal = new Coro::Signal;
		428
		429	while () {
		430	next_job:
		431	my $avail = cf::till_tick;
		432	if ($avail > 0.01) {
		433	for (0 .. $#SLOT_QUEUE) {
		434	if ($SLOT_QUEUE[$_][0] < $avail) {
		435	my $job = splice @SLOT_QUEUE, $_, 1, ();
		436	$job->[2]->send;
		437	Coro::cede;
		438	goto next_job;
		439	}
		440	}
		441	}
		442
		443	if (@SLOT_QUEUE) {
		444	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		445	push @cf::WAIT_FOR_TICK, $signal;
		446	$signal->wait;
		447	} else {
		448	Coro::schedule;
		449	}
268	};	450	}
269	$TICK_WATCHER->stop;	451	};
270	$guard	452
		453	sub get_slot($;$$) {
		454	return if tick_inhibit || $Coro::current == $Coro::main;
		455
		456	my ($time, $pri, $name) = @_;
		457
		458	$time = $TICK * .6 if $time > $TICK * .6;
		459	my $sig = new Coro::Signal;
		460
		461	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		462	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		463	$SLOT_QUEUE->ready;
		464	$sig->wait;
271	}	465	}
272		466
273	=item cf::async { BLOCK }	467	=item cf::async { BLOCK }
274		468
275	Currently the same as Coro::async_pool, meaning you cannot use	469	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		474
281	BEGIN { *async = \&Coro::async_pool }	475	BEGIN { *async = \&Coro::async_pool }
282		476
283	=item cf::sync_job { BLOCK }	477	=item cf::sync_job { BLOCK }
284		478
285	The design of crossfire+ requires that the main coro ($Coro::main) is	479	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	480	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	481	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		482	acceptable.
288		483
289	If it must be done, put the blocking parts into C<sync_job>. This will run	484	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	485	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	486	server will be frozen during this time, so the block should either finish
292	fast or be very important.	487	fast or be very important.
…		…
295		490
296	sub sync_job(&) {	491	sub sync_job(&) {
297	my ($job) = @_;	492	my ($job) = @_;
298		493
299	if ($Coro::current == $Coro::main) {	494	if ($Coro::current == $Coro::main) {
		495	my $time = EV::time;
		496
300	# this is the main coro, too bad, we have to block	497	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	498	# till the operation succeeds, freezing the server :/
302		499
303	# TODO: use suspend/resume instead	500	LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	501
305	my $freeze_guard = freeze_mainloop;	502	my $freeze_guard = freeze_mainloop;
306		503
307	my $busy = 1;	504	my $busy = 1;
308	my @res;	505	my @res;
309		506
310	(async {	507	(async {
		508	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	509	@res = eval { $job->() };
312	warn $@ if $@;	510	warn $@ if $@;
313	undef $busy;	511	undef $busy;
314	})->prio (Coro::PRIO_MAX);	512	})->prio (Coro::PRIO_MAX);
315		513
316	while ($busy) {	514	while ($busy) {
317	Coro::cede or Event::one_event;	515	if (Coro::nready) {
		516	Coro::cede_notself;
		517	} else {
		518	EV::loop EV::LOOP_ONESHOT;
318	}	519	}
		520	}
		521
		522	my $time = EV::time - $time;
		523
		524	$TICK_START += $time; # do not account sync jobs to server load
319		525
320	wantarray ? @res : $res[0]	526	wantarray ? @res : $res[0]
321	} else {	527	} else {
322	# we are in another coroutine, how wonderful, everything just works	528	# we are in another coroutine, how wonderful, everything just works
323		529
…		…
343	$EXT_CORO{$coro+0} = $coro;	549	$EXT_CORO{$coro+0} = $coro;
344		550
345	$coro	551	$coro
346	}	552	}
347		553
348	sub write_runtime {	554	=item fork_call { }, $args
349	my $guard = cf::lock_acquire "write_runtime";
350		555
351	my $runtime = cf::localdir . "/runtime";	556	Executes the given code block with the given arguments in a seperate
		557	process, returning the results. Everything must be serialisable with
		558	Coro::Storable. May, of course, block. Note that the executed sub may
		559	never block itself or use any form of event handling.
352		560
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	561	=cut
354	or return;
355		562
356	my $value = $cf::RUNTIME + 90 + 10;	563	sub fork_call(&@) {
357	# 10 is the runtime save interval, for a monotonic clock	564	my ($cb, @args) = @_;
358	# 60 allows for the watchdog to kill the server.
359		565
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	566	# we seemingly have to make a local copy of the whole thing,
361	and return;	567	# otherwise perl prematurely frees the stuff :/
		568	# TODO: investigate and fix (likely this will be rather laborious)
362		569
363	# always fsync - this file is important	570	my @res = Coro::Util::fork_eval {
364	aio_fsync $fh	571	reset_signals;
365	and return;	572	&$cb
		573	}, @args;
366		574
367	close $fh	575	wantarray ? @res : $res[-1]
368	or return;	576	}
369		577
370	aio_rename "$runtime~", $runtime	578	=item $coin = coin_from_name $name
371	and return;
372		579
		580	=cut
		581
		582	our %coin_alias = (
		583	"silver" => "silvercoin",
		584	"silvercoin" => "silvercoin",
		585	"silvercoins" => "silvercoin",
		586	"gold" => "goldcoin",
		587	"goldcoin" => "goldcoin",
		588	"goldcoins" => "goldcoin",
		589	"platinum" => "platinacoin",
		590	"platinumcoin" => "platinacoin",
		591	"platinumcoins" => "platinacoin",
		592	"platina" => "platinacoin",
		593	"platinacoin" => "platinacoin",
		594	"platinacoins" => "platinacoin",
		595	"royalty" => "royalty",
		596	"royalties" => "royalty",
		597	);
		598
		599	sub coin_from_name($) {
		600	$coin_alias{$_[0]}
		601	? cf::arch::find $coin_alias{$_[0]}
		602	: undef
		603	}
		604
		605	=item $value = cf::db_get $family => $key
		606
		607	Returns a single value from the environment database.
		608
		609	=item cf::db_put $family => $key => $value
		610
		611	Stores the given C<$value> in the family. It can currently store binary
		612	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		613
		614	=item $db = cf::db_table "name"
		615
		616	Create and/or open a new database table. The string must not be "db" and must be unique
		617	within each server.
		618
		619	=cut
		620
		621	sub db_table($) {
		622	my ($name) = @_;
		623	my $db = BDB::db_create $DB_ENV;
		624
		625	eval {
		626	$db->set_flags (BDB::CHKSUM);
		627
		628	utf8::encode $name;
		629	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		630	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		631	cf::cleanup "db_open(db): $!" if $!;
		632	};
		633	cf::cleanup "db_open(db): $@" if $@;
		634
		635	$db
		636	}
		637
		638	our $DB;
		639
		640	sub db_init {
		641	cf::sync_job {
		642	$DB ||= db_table "db";
		643	};
		644	}
		645
		646	sub db_get($$) {
		647	my $key = "$_[0]/$_[1]";
		648
		649	cf::sync_job {
		650	BDB::db_get $DB, undef, $key, my $data;
		651
		652	$! ? ()
		653	: $data
373	1	654	}
		655	}
		656
		657	sub db_put($$$) {
		658	BDB::dbreq_pri 4;
		659	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		660	}
		661
		662	=item cf::cache $id => [$paths...], $processversion => $process
		663
		664	Generic caching function that returns the value of the resource $id,
		665	caching and regenerating as required.
		666
		667	This function can block.
		668
		669	=cut
		670
		671	sub cache {
		672	my ($id, $src, $processversion, $process) = @_;
		673
		674	my $meta =
		675	join "\x00",
		676	$processversion,
		677	map {
		678	aio_stat $_
		679	and Carp::croak "$_: $!";
		680
		681	($_, (stat _)[7,9])
		682	} @$src;
		683
		684	my $dbmeta = db_get cache => "$id/meta";
		685	if ($dbmeta ne $meta) {
		686	# changed, we may need to process
		687
		688	my @data;
		689	my $md5;
		690
		691	for (0 .. $#$src) {
		692	0 <= aio_load $src->[$_], $data[$_]
		693	or Carp::croak "$src->[$_]: $!";
		694	}
		695
		696	# if processing is expensive, check
		697	# checksum first
		698	if (1) {
		699	$md5 =
		700	join "\x00",
		701	$processversion,
		702	map {
		703	cf::cede_to_tick;
		704	($src->[$_], Digest::MD5::md5_hex $data[$_])
		705	} 0.. $#$src;
		706
		707
		708	my $dbmd5 = db_get cache => "$id/md5";
		709	if ($dbmd5 eq $md5) {
		710	db_put cache => "$id/meta", $meta;
		711
		712	return db_get cache => "$id/data";
		713	}
		714	}
		715
		716	my $t1 = Time::HiRes::time;
		717	my $data = $process->(\@data);
		718	my $t2 = Time::HiRes::time;
		719
		720	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		721
		722	db_put cache => "$id/data", $data;
		723	db_put cache => "$id/md5" , $md5;
		724	db_put cache => "$id/meta", $meta;
		725
		726	return $data;
		727	}
		728
		729	db_get cache => "$id/data"
374	}	730	}
375		731
376	=item cf::datalog type => key => value, ...	732	=item cf::datalog type => key => value, ...
377		733
378	Log a datalog packet of the given type with the given key-value pairs.	734	Log a datalog packet of the given type with the given key-value pairs.
…		…
390		746
391	#############################################################################	747	#############################################################################
392		748
393	=head2 ATTACHABLE OBJECTS	749	=head2 ATTACHABLE OBJECTS
394		750
395	Many objects in crossfire are so-called attachable objects. That means you can	751	Many objects in deliantra are so-called attachable objects. That means you can
396	attach callbacks/event handlers (a collection of which is called an "attachment")	752	attach callbacks/event handlers (a collection of which is called an "attachment")
397	to it. All such attachable objects support the following methods.	753	to it. All such attachable objects support the following methods.
398		754
399	In the following description, CLASS can be any of C<global>, C<object>	755	In the following description, CLASS can be any of C<global>, C<object>
400	C<player>, C<client> or C<map> (i.e. the attachable objects in	756	C<player>, C<client> or C<map> (i.e. the attachable objects in
401	crossfire+).	757	Deliantra).
402		758
403	=over 4	759	=over 4
404		760
405	=item $attachable->attach ($attachment, key => $value...)	761	=item $attachable->attach ($attachment, key => $value...)
406		762
…		…
450	=item cf::CLASS::attachment $name, ...	806	=item cf::CLASS::attachment $name, ...
451		807
452	Register an attachment by C<$name> through which attachable objects of the	808	Register an attachment by C<$name> through which attachable objects of the
453	given CLASS can refer to this attachment.	809	given CLASS can refer to this attachment.
454		810
455	Some classes such as crossfire maps and objects can specify attachments	811	Some classes such as deliantra maps and objects can specify attachments
456	that are attached at load/instantiate time, thus the need for a name.	812	that are attached at load/instantiate time, thus the need for a name.
457		813
458	These calls expect any number of the following handler/hook descriptions:	814	These calls expect any number of the following handler/hook descriptions:
459		815
460	=over 4	816	=over 4
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	925	$registry = $CB_TYPE[$object_type] ||= [];
570		926
571	} elsif ($type eq "subtype") {	927	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	928	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	929	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	930	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		931
576	} elsif ($type eq "package") {	932	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	933	my $pkg = shift @arg;
578		934
579	while (my ($name, $id) = each %cb_id) {	935	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	964	_attach $registry, $klass, @attach;
609	}	965	}
610		966
611	$obj->{$name} = \%arg;	967	$obj->{$name} = \%arg;
612	} else {	968	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	969	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	970	}
615		971
616	$obj->{_attachment}{$name} = undef;	972	$obj->{_attachment}{$name} = undef;
617	}	973	}
618		974
…		…
620	if (ref $_[0]) {	976	if (ref $_[0]) {
621	_object_attach @_;	977	_object_attach @_;
622	} else {	978	} else {
623	_attach shift->_attach_registry, @_;	979	_attach shift->_attach_registry, @_;
624	}	980	}
		981	_recalc_want;
625	};	982	};
626		983
627	# all those should be optimised	984	# all those should be optimised
628	sub cf::attachable::detach {	985	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	986	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	989	delete $obj->{_attachment}{$name};
633	reattach ($obj);	990	reattach ($obj);
634	} else {	991	} else {
635	Carp::croak "cannot, currently, detach class attachments";	992	Carp::croak "cannot, currently, detach class attachments";
636	}	993	}
		994	_recalc_want;
637	};	995	};
638		996
639	sub cf::attachable::attached {	997	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	998	my ($obj, $name) = @_;
641		999
…		…
656	";	1014	";
657	die if $@;	1015	die if $@;
658	}	1016	}
659		1017
660	our $override;	1018	our $override;
661	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1019	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
662		1020
663	sub override {	1021	sub override {
664	$override = 1;	1022	$override = 1;
665	@invoke_results = ();	1023	@INVOKE_RESULTS = (@_);
666	}	1024	}
667		1025
668	sub do_invoke {	1026	sub do_invoke {
669	my $event = shift;	1027	my $event = shift;
670	my $callbacks = shift;	1028	my $callbacks = shift;
671		1029
672	@invoke_results = ();	1030	@INVOKE_RESULTS = ();
673		1031
674	local $override;	1032	local $override;
675		1033
676	for (@$callbacks) {	1034	for (@$callbacks) {
677	eval { &{$_->[1]} };	1035	eval { &{$_->[1]} };
…		…
686	}	1044	}
687		1045
688	0	1046	0
689	}	1047	}
690		1048
691	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1049	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
692		1050
693	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1051	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
694		1052
695	Generate an object-specific event with the given arguments.	1053	Generate an object-specific event with the given arguments.
696		1054
697	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1055	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
698	removed in future versions), and there is no public API to access override	1056	removed in future versions), and there is no public API to access override
699	results (if you must, access C<@cf::invoke_results> directly).	1057	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		1058
701	=back	1059	=back
702		1060
703	=cut	1061	=cut
704		1062
705	#############################################################################	1063	#############################################################################
706	# object support	1064	# object support
		1065
		1066	sub _object_equal($$);
		1067	sub _object_equal($$) {
		1068	my ($a, $b) = @_;
		1069
		1070	return 0 unless (ref $a) eq (ref $b);
		1071
		1072	if ("HASH" eq ref $a) {
		1073	my @ka = keys %$a;
		1074	my @kb = keys %$b;
		1075
		1076	return 0 if @ka != @kb;
		1077
		1078	for (0 .. $#ka) {
		1079	return 0 unless $ka[$_] eq $kb[$_];
		1080	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1081	}
		1082
		1083	} elsif ("ARRAY" eq ref $a) {
		1084
		1085	return 0 if @$a != @$b;
		1086
		1087	for (0 .. $#$a) {
		1088	return 0 unless _object_equal $a->[$_], $b->[$_];
		1089	}
		1090
		1091	} elsif ($a ne $b) {
		1092	return 0;
		1093	}
		1094
		1095	1
		1096	}
		1097
		1098	our $SLOW_MERGES;#d#
		1099	sub _can_merge {
		1100	my ($ob1, $ob2) = @_;
		1101
		1102	++$SLOW_MERGES;#d#
		1103
		1104	# we do the slow way here
		1105	return _object_equal $ob1, $ob2
		1106	}
707		1107
708	sub reattach {	1108	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1109	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1110	my ($obj) = @_;
711		1111
		1112	# no longer needed after getting rid of delete_package?
712	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1113	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
713		1114
714	my $registry = $obj->registry;	1115	my $registry = $obj->registry;
715		1116
716	@$registry = ();	1117	@$registry = ();
717		1118
…		…
732	cf::attachable->attach (	1133	cf::attachable->attach (
733	prio => -1000000,	1134	prio => -1000000,
734	on_instantiate => sub {	1135	on_instantiate => sub {
735	my ($obj, $data) = @_;	1136	my ($obj, $data) = @_;
736		1137
737	$data = from_json $data;	1138	$data = decode_json $data;
738		1139
739	for (@$data) {	1140	for (@$data) {
740	my ($name, $args) = @$_;	1141	my ($name, $args) = @$_;
741		1142
742	$obj->attach ($name, %{$args || {} });	1143	$obj->attach ($name, %{$args || {} });
…		…
758	sub object_freezer_save {	1159	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1160	my ($filename, $rdata, $objs) = @_;
760		1161
761	sync_job {	1162	sync_job {
762	if (length $$rdata) {	1163	if (length $$rdata) {
		1164	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1165	warn sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1166	$decname, length $$rdata, scalar @$objs;
765		1167
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1168	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1169	aio_chmod $fh, SAVE_MODE;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1170	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	aio_fsync $fh if $cf::USE_FSYNC;	1171	aio_fsync $fh if $cf::USE_FSYNC;
770	close $fh;	1172	aio_close $fh;
771		1173
772	if (@$objs) {	1174	if (@$objs) {
773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1175	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
774	chmod SAVE_MODE, $fh;	1176	aio_chmod $fh, SAVE_MODE;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1177	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1178	aio_write $fh, 0, (length $data), $data, 0;
777	aio_fsync $fh if $cf::USE_FSYNC;	1179	aio_fsync $fh if $cf::USE_FSYNC;
778	close $fh;	1180	aio_close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1181	aio_rename "$filename.pst~", "$filename.pst";
780	}	1182	}
781	} else {	1183	} else {
782	aio_unlink "$filename.pst";	1184	aio_unlink "$filename.pst";
783	}	1185	}
…		…
788	}	1190	}
789	} else {	1191	} else {
790	aio_unlink $filename;	1192	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1193	aio_unlink "$filename.pst";
792	}	1194	}
793	}	1195	};
794	}	1196	}
795		1197
796	sub object_freezer_as_string {	1198	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1199	my ($rdata, $objs) = @_;
798		1200
…		…
810	or return;	1212	or return;
811		1213
812	unless (aio_stat "$filename.pst") {	1214	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1215	(aio_load "$filename.pst", $av) >= 0
814	or return;	1216	or return;
		1217
815	$av = eval { (Storable::thaw $av)->{objs} };	1218	my $st = eval { Coro::Storable::thaw $av };
		1219	$av = $st->{objs};
816	}	1220	}
817		1221
		1222	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1223	warn sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1224	$decname, length $data, scalar @{$av || []};
		1225
820	return ($data, $av);	1226	($data, $av)
821	}	1227	}
		1228
		1229	=head2 COMMAND CALLBACKS
		1230
		1231	=over 4
		1232
		1233	=cut
822		1234
823	#############################################################################	1235	#############################################################################
824	# command handling &c	1236	# command handling &c
825		1237
826	=item cf::register_command $name => \&callback($ob,$args);	1238	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1251	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1252	}
841		1253
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1254	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1255
844	Register a callbackf ro execution when the client sends an extcmd packet.	1256	Register a callback for execution when the client sends an (synchronous)
		1257	extcmd packet. Ext commands will be processed in the order they are
		1258	received by the server, like other user commands. The first argument is
		1259	the logged-in player. Ext commands can only be processed after a player
		1260	has logged in successfully.
845		1261
846	If the callback returns something, it is sent back as if reply was being	1262	If the callback returns something, it is sent back as if reply was being
847	called.	1263	called.
848		1264
		1265	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1266
		1267	Register a callback for execution when the client sends an (asynchronous)
		1268	exticmd packet. Exti commands are processed by the server as soon as they
		1269	are received, i.e. out of order w.r.t. other commands. The first argument
		1270	is a client socket. Exti commands can be received anytime, even before
		1271	log-in.
		1272
		1273	If the callback returns something, it is sent back as if reply was being
		1274	called.
		1275
849	=cut	1276	=cut
850		1277
851	sub register_extcmd {	1278	sub register_extcmd {
852	my ($name, $cb) = @_;	1279	my ($name, $cb) = @_;
853		1280
854	$EXTCMD{$name} = $cb;	1281	$EXTCMD{$name} = $cb;
		1282	}
		1283
		1284	sub register_exticmd {
		1285	my ($name, $cb) = @_;
		1286
		1287	$EXTICMD{$name} = $cb;
855	}	1288	}
856		1289
857	cf::player->attach (	1290	cf::player->attach (
858	on_command => sub {	1291	on_command => sub {
859	my ($pl, $name, $params) = @_;	1292	my ($pl, $name, $params) = @_;
…		…
868	cf::override;	1301	cf::override;
869	},	1302	},
870	on_extcmd => sub {	1303	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1304	my ($pl, $buf) = @_;
872		1305
873	my $msg = eval { from_json $buf };	1306	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1307
875	if (ref $msg) {	1308	if (ref $msg) {
		1309	my ($type, $reply, @payload) =
		1310	"ARRAY" eq ref $msg
		1311	? @$msg
		1312	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1313
		1314	my @reply;
		1315
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1316	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1317	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1318	}
		1319
		1320	$pl->ext_reply ($reply, @reply)
		1321	if $reply;
		1322
881	} else {	1323	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1324	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1325	}
884		1326
885	cf::override;	1327	cf::override;
886	},	1328	},
887	);	1329	);
888		1330
889	sub load_extension {
890	my ($path) = @_;
891
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
893	my $base = $1;
894	my $pkg = $1;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}
917	die $@;
918	}
919
920	push @EXTS, $pkg;
921	}
922
923	sub load_extensions {	1331	sub load_extensions {
		1332	cf::sync_job {
		1333	my %todo;
		1334
924	for my $ext (<$LIBDIR/*.ext>) {	1335	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1336	next unless -r $path;
926	eval {	1337
927	load_extension $ext;	1338	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1339	my $base = $1;
		1340	my $pkg = $1;
		1341	$pkg =~ s/[^[:word:]]/_/g;
		1342	$pkg = "ext::$pkg";
		1343
		1344	open my $fh, "<:utf8", $path
		1345	or die "$path: $!";
		1346
		1347	my $source = do { local $/; <$fh> };
		1348
		1349	my %ext = (
		1350	path => $path,
		1351	base => $base,
		1352	pkg => $pkg,
		1353	);
		1354
		1355	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1356	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1357
		1358	$ext{source} =
		1359	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1360	. "#line 1 \"$path\"\n{\n"
		1361	. $source
		1362	. "\n};\n1";
		1363
		1364	$todo{$base} = \%ext;
		1365	}
		1366
		1367	my %done;
		1368	while (%todo) {
		1369	my $progress;
		1370
		1371	while (my ($k, $v) = each %todo) {
		1372	for (split /,\s*/, $v->{meta}{depends}) {
		1373	goto skip
		1374	unless exists $done{$_};
		1375	}
		1376
		1377	warn "... loading '$k' into '$v->{pkg}'\n";
		1378
		1379	unless (eval $v->{source}) {
		1380	my $msg = $@ ? "$v->{path}: $@\n"
		1381	: "$v->{base}: extension inactive.\n";
		1382
		1383	if (exists $v->{meta}{mandatory}) {
		1384	warn $msg;
		1385	cf::cleanup "mandatory extension failed to load, exiting.";
		1386	}
		1387
		1388	warn $msg;
		1389	}
		1390
		1391	$done{$k} = delete $todo{$k};
		1392	push @EXTS, $v->{pkg};
		1393	$progress = 1;
928	1	1394	}
929	} or warn "$ext not loaded: $@";	1395
		1396	skip:
		1397	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1398	unless $progress;
		1399	}
930	}	1400	};
931	}	1401	}
932		1402
933	#############################################################################	1403	#############################################################################
934		1404
		1405	=back
		1406
935	=head2 CORE EXTENSIONS	1407	=head2 CORE EXTENSIONS
936		1408
937	Functions and methods that extend core crossfire objects.	1409	Functions and methods that extend core deliantra objects.
938		1410
939	=cut	1411	=cut
940		1412
941	package cf::player;	1413	package cf::player;
942		1414
…		…
944		1416
945	=head3 cf::player	1417	=head3 cf::player
946		1418
947	=over 4	1419	=over 4
948		1420
		1421	=item cf::player::num_playing
		1422
		1423	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1424
		1425	=cut
		1426
		1427	sub num_playing {
		1428	scalar grep
		1429	$_->ob->map
		1430	&& !$_->hidden
		1431	&& !$_->ob->flag (cf::FLAG_WIZ),
		1432	cf::player::list
		1433	}
		1434
949	=item cf::player::find $login	1435	=item cf::player::find $login
950		1436
951	Returns the given player object, loading it if necessary (might block).	1437	Returns the given player object, loading it if necessary (might block).
952		1438
953	=cut	1439	=cut
954		1440
955	sub playerdir($) {	1441	sub playerdir($) {
956	cf::localdir	1442	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1443	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1444	}
962		1445
963	sub path($) {	1446	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1447	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
991	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1474	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
992	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1475	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
993	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1476	aio_unlink +(playerdir $login) . "/$login.pl.pst";
994	aio_unlink +(playerdir $login) . "/$login.pl";	1477	aio_unlink +(playerdir $login) . "/$login.pl";
995		1478
996	my $pl = load_pl path $login	1479	my $f = new_from_file cf::object::thawer path $login
997	or return;	1480	or return;
		1481
		1482	my $pl = cf::player::load_pl $f
		1483	or return;
		1484
		1485	local $cf::PLAYER_LOADING{$login} = $pl;
		1486	$f->resolve_delayed_derefs;
998	$cf::PLAYER{$login} = $pl	1487	$cf::PLAYER{$login} = $pl
999	}	1488	}
1000	}	1489	}
1001	}	1490	}
1002		1491
…		…
1011	return if $pl->{deny_save};	1500	return if $pl->{deny_save};
1012		1501
1013	aio_mkdir playerdir $pl, 0770;	1502	aio_mkdir playerdir $pl, 0770;
1014	$pl->{last_save} = $cf::RUNTIME;	1503	$pl->{last_save} = $cf::RUNTIME;
1015		1504
		1505	cf::get_slot 0.01;
		1506
1016	$pl->save_pl ($path);	1507	$pl->save_pl ($path);
1017	Coro::cede;	1508	cf::cede_to_tick;
1018	}	1509	}
1019		1510
1020	sub new($) {	1511	sub new($) {
1021	my ($login) = @_;	1512	my ($login) = @_;
1022		1513
…		…
1028	$cf::PLAYER{$login} = $self;	1519	$cf::PLAYER{$login} = $self;
1029		1520
1030	$self	1521	$self
1031	}	1522	}
1032		1523
		1524	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1525
		1526	=cut
		1527
		1528	sub send_msg {
		1529	my $ns = shift->ns
		1530	or return;
		1531	$ns->send_msg (@_);
		1532	}
		1533
1033	=item $pl->quit_character	1534	=item $pl->quit_character
1034		1535
1035	Nukes the player without looking back. If logged in, the connection will	1536	Nukes the player without looking back. If logged in, the connection will
1036	be destroyed. May block for a long time.	1537	be destroyed. May block for a long time.
1037		1538
…		…
1041	my ($pl) = @_;	1542	my ($pl) = @_;
1042		1543
1043	my $name = $pl->ob->name;	1544	my $name = $pl->ob->name;
1044		1545
1045	$pl->{deny_save} = 1;	1546	$pl->{deny_save} = 1;
1046	$pl->password ("*"); # this should lock out the player until we nuked the dir	1547	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1047		1548
1048	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1549	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1049	$pl->deactivate;	1550	$pl->deactivate;
		1551	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1552	$pl->ob->check_score;
1050	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1553	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1051	$pl->ns->destroy if $pl->ns;	1554	$pl->ns->destroy if $pl->ns;
1052		1555
1053	my $path = playerdir $pl;	1556	my $path = playerdir $pl;
1054	my $temp = "$path~$cf::RUNTIME~deleting~";	1557	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1084	while and may block, so not sync_job-capable, ever.	1587	while and may block, so not sync_job-capable, ever.
1085		1588
1086	=cut	1589	=cut
1087		1590
1088	sub list_logins {	1591	sub list_logins {
1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1592	my $dirs = aio_readdir $PLAYERDIR
1090	or return [];	1593	or return [];
1091		1594
1092	my @logins;	1595	my @logins;
1093		1596
1094	for my $login (@$dirs) {	1597	for my $login (@$dirs) {
		1598	my $path = path $login;
		1599
		1600	# a .pst is a dead give-away for a valid player
		1601	# if no pst file found, open and chekc for blocked users
		1602	if (aio_stat "$path.pst") {
1095	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1603	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1096	aio_read $fh, 0, 512, my $buf, 0 or next;	1604	aio_read $fh, 0, 512, my $buf, 0 or next;
1097	$buf !~ /^password -------------$/m or next; # official not-valid tag	1605	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1606	}
1098		1607
1099	utf8::decode $login;	1608	utf8::decode $login;
1100	push @logins, $login;	1609	push @logins, $login;
1101	}	1610	}
1102		1611
…		…
1129	}	1638	}
1130		1639
1131	\@paths	1640	\@paths
1132	}	1641	}
1133		1642
		1643	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1644
		1645	Expand deliantra pod fragments into protocol xml.
		1646
1134	=item $player->ext_reply ($msgid, %msg)	1647	=item $player->ext_reply ($msgid, @msg)
1135		1648
1136	Sends an ext reply to the player.	1649	Sends an ext reply to the player.
1137		1650
1138	=cut	1651	=cut
1139		1652
1140	sub ext_reply($$%) {	1653	sub ext_reply($$@) {
1141	my ($self, $id, %msg) = @_;	1654	my ($self, $id, @msg) = @_;
1142		1655
1143	$msg{msgid} = $id;	1656	$self->ns->ext_reply ($id, @msg)
1144
1145	$self->send ("ext " . cf::to_json \%msg);
1146	}	1657	}
1147		1658
1148	=item $player->ext_event ($type, %msg)	1659	=item $player->ext_msg ($type, @msg)
1149		1660
1150	Sends an ext event to the client.	1661	Sends an ext event to the client.
1151		1662
1152	=cut	1663	=cut
1153		1664
1154	sub ext_event($$%) {	1665	sub ext_msg($$@) {
1155	my ($self, $type, %msg) = @_;	1666	my ($self, $type, @msg) = @_;
1156		1667
1157	$self->ns->ext_event ($type, %msg);	1668	$self->ns->ext_msg ($type, @msg);
1158	}	1669	}
1159		1670
1160	=head3 cf::region	1671	=head3 cf::region
1161		1672
1162	=over 4	1673	=over 4
…		…
1165		1676
1166	package cf::region;	1677	package cf::region;
1167		1678
1168	=item cf::region::find_by_path $path	1679	=item cf::region::find_by_path $path
1169		1680
1170	Tries to decuce the probable region for a map knowing only its path.	1681	Tries to decuce the likely region for a map knowing only its path.
1171		1682
1172	=cut	1683	=cut
1173		1684
1174	sub find_by_path($) {	1685	sub find_by_path($) {
1175	my ($path) = @_;	1686	my ($path) = @_;
1176		1687
1177	my ($match, $specificity);	1688	my ($match, $specificity);
1178		1689
1179	for my $region (list) {	1690	for my $region (list) {
1180	if ($region->match && $path =~ $region->match) {	1691	if ($region->{match} && $path =~ $region->{match}) {
1181	($match, $specificity) = ($region, $region->specificity)	1692	($match, $specificity) = ($region, $region->specificity)
1182	if $region->specificity > $specificity;	1693	if $region->specificity > $specificity;
1183	}	1694	}
1184	}	1695	}
1185		1696
…		…
1206	our $MAX_RESET = 3600;	1717	our $MAX_RESET = 3600;
1207	our $DEFAULT_RESET = 3000;	1718	our $DEFAULT_RESET = 3000;
1208		1719
1209	sub generate_random_map {	1720	sub generate_random_map {
1210	my ($self, $rmp) = @_;	1721	my ($self, $rmp) = @_;
		1722
		1723	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1724
1211	# mit "rum" bekleckern, nicht	1725	# mit "rum" bekleckern, nicht
1212	$self->_create_random_map (	1726	$self->_create_random_map (
1213	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1727	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1214	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1728	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1215	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1729	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1249	my ($self, $merge) = @_;	1763	my ($self, $merge) = @_;
1250		1764
1251	# we have to keep some variables in memory intact	1765	# we have to keep some variables in memory intact
1252	local $self->{path};	1766	local $self->{path};
1253	local $self->{load_path};	1767	local $self->{load_path};
1254	local $self->{deny_save};
1255	local $self->{deny_reset};
1256		1768
1257	$self->SUPER::thawer_merge ($merge);	1769	$self->SUPER::thawer_merge ($merge);
1258	}	1770	}
1259		1771
1260	sub normalise {	1772	sub normalise {
…		…
1307	$self->init; # pass $1 etc.	1819	$self->init; # pass $1 etc.
1308	return $self;	1820	return $self;
1309	}	1821	}
1310	}	1822	}
1311		1823
1312	Carp::carp "unable to resolve path '$path' (base '$base').";	1824	Carp::cluck "unable to resolve path '$path' (base '$base').";
1313	()	1825	()
1314	}	1826	}
1315		1827
1316	sub init {	1828	sub init {
1317	my ($self) = @_;	1829	my ($self) = @_;
…		…
1332		1844
1333	# the original (read-only) location	1845	# the original (read-only) location
1334	sub load_path {	1846	sub load_path {
1335	my ($self) = @_;	1847	my ($self) = @_;
1336		1848
1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1849	"$MAPDIR/$self->{path}.map"
1338	}	1850	}
1339		1851
1340	# the temporary/swap location	1852	# the temporary/swap location
1341	sub save_path {	1853	sub save_path {
1342	my ($self) = @_;	1854	my ($self) = @_;
1343		1855
1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1856	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1857	"$TMPDIR/$path.map"
1346	}	1858	}
1347		1859
1348	# the unique path, undef == no special unique path	1860	# the unique path, undef == no special unique path
1349	sub uniq_path {	1861	sub uniq_path {
1350	my ($self) = @_;	1862	my ($self) = @_;
1351		1863
1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1864	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1865	"$UNIQUEDIR/$path"
1354	}	1866	}
1355		1867
1356	# and all this just because we cannot iterate over	1868	# and all this just because we cannot iterate over
1357	# all maps in C++...	1869	# all maps in C++...
1358	sub change_all_map_light {	1870	sub change_all_map_light {
…		…
1360		1872
1361	$_->change_map_light ($change)	1873	$_->change_map_light ($change)
1362	for grep $_->outdoor, values %cf::MAP;	1874	for grep $_->outdoor, values %cf::MAP;
1363	}	1875	}
1364		1876
		1877	sub decay_objects {
		1878	my ($self) = @_;
		1879
		1880	return if $self->{deny_reset};
		1881
		1882	$self->do_decay_objects;
		1883	}
		1884
1365	sub unlink_save {	1885	sub unlink_save {
1366	my ($self) = @_;	1886	my ($self) = @_;
1367		1887
1368	utf8::encode (my $save = $self->save_path);	1888	utf8::encode (my $save = $self->save_path);
1369	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1889	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1372		1892
1373	sub load_header_from($) {	1893	sub load_header_from($) {
1374	my ($self, $path) = @_;	1894	my ($self, $path) = @_;
1375		1895
1376	utf8::encode $path;	1896	utf8::encode $path;
1377	#aio_open $path, O_RDONLY, 0	1897	my $f = new_from_file cf::object::thawer $path
1378	# or return;
1379
1380	$self->_load_header ($path)
1381	or return;	1898	or return;
		1899
		1900	$self->_load_header ($f)
		1901	or return;
		1902
		1903	local $MAP_LOADING{$self->{path}} = $self;
		1904	$f->resolve_delayed_derefs;
1382		1905
1383	$self->{load_path} = $path;	1906	$self->{load_path} = $path;
1384		1907
1385	1	1908	1
1386	}	1909	}
…		…
1425	$self->load_header_orig	1948	$self->load_header_orig
1426	or return;	1949	or return;
1427	$self->prepare_orig;	1950	$self->prepare_orig;
1428	}	1951	}
1429		1952
		1953	$self->{deny_reset} = 1
		1954	if $self->no_reset;
		1955
1430	$self->default_region (cf::region::find_by_path $self->{path})	1956	$self->default_region (cf::region::find_by_path $self->{path})
1431	unless $self->default_region;	1957	unless $self->default_region;
1432		1958
1433	1	1959	1
1434	}	1960	}
…		…
1437	sub find {	1963	sub find {
1438	my ($path, $origin) = @_;	1964	my ($path, $origin) = @_;
1439		1965
1440	$path = normalise $path, $origin && $origin->path;	1966	$path = normalise $path, $origin && $origin->path;
1441		1967
		1968	cf::lock_wait "map_data:$path";#d#remove
1442	cf::lock_wait "map_find:$path";	1969	cf::lock_wait "map_find:$path";
1443		1970
1444	$cf::MAP{$path} || do {	1971	$cf::MAP{$path} || do {
		1972	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1445	my $guard = cf::lock_acquire "map_find:$path";	1973	my $guard2 = cf::lock_acquire "map_find:$path";
		1974
1446	my $map = new_from_path cf::map $path	1975	my $map = new_from_path cf::map $path
1447	or return;	1976	or return;
1448		1977
1449	$map->{last_save} = $cf::RUNTIME;	1978	$map->{last_save} = $cf::RUNTIME;
1450		1979
1451	$map->load_header	1980	$map->load_header
1452	or return;	1981	or return;
1453		1982
1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1983	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455	# doing this can freeze the server in a sync job, obviously	1984	# doing this can freeze the server in a sync job, obviously
1456	#$cf::WAIT_FOR_TICK->wait;	1985	#$cf::WAIT_FOR_TICK->wait;
		1986	undef $guard2;
		1987	undef $guard1;
1457	$map->reset;	1988	$map->reset;
1458	undef $guard;
1459	return find $path;	1989	return find $path;
1460	}	1990	}
1461		1991
1462	$cf::MAP{$path} = $map	1992	$cf::MAP{$path} = $map
1463	}	1993	}
…		…
1470	my ($self) = @_;	2000	my ($self) = @_;
1471		2001
1472	local $self->{deny_reset} = 1; # loading can take a long time	2002	local $self->{deny_reset} = 1; # loading can take a long time
1473		2003
1474	my $path = $self->{path};	2004	my $path = $self->{path};
		2005
		2006	{
1475	my $guard = cf::lock_acquire "map_load:$path";	2007	my $guard = cf::lock_acquire "map_data:$path";
1476		2008
		2009	return unless $self->valid;
1477	return if $self->in_memory != cf::MAP_SWAPPED;	2010	return unless $self->in_memory == cf::MAP_SWAPPED;
1478		2011
1479	$self->in_memory (cf::MAP_LOADING);	2012	$self->in_memory (cf::MAP_LOADING);
1480		2013
1481	$self->alloc;	2014	$self->alloc;
1482		2015
1483	$self->pre_load;	2016	$self->pre_load;
1484	Coro::cede;	2017	cf::cede_to_tick;
1485		2018
1486	$self->_load_objects ($self->{load_path}, 1)	2019	my $f = new_from_file cf::object::thawer $self->{load_path};
		2020	$f->skip_block;
		2021	$self->_load_objects ($f)
1487	or return;	2022	or return;
1488		2023
1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2024	$self->post_load_original
1490	if delete $self->{load_original};	2025	if delete $self->{load_original};
1491		2026
1492	if (my $uniq = $self->uniq_path) {	2027	if (my $uniq = $self->uniq_path) {
1493	utf8::encode $uniq;	2028	utf8::encode $uniq;
1494	if (aio_open $uniq, O_RDONLY, 0) {	2029	unless (aio_stat $uniq) {
		2030	if (my $f = new_from_file cf::object::thawer $uniq) {
1495	$self->clear_unique_items;	2031	$self->clear_unique_items;
1496	$self->_load_objects ($uniq, 0);	2032	$self->_load_objects ($f);
		2033	$f->resolve_delayed_derefs;
		2034	}
1497	}	2035	}
1498	}	2036	}
1499		2037
1500	Coro::cede;	2038	$f->resolve_delayed_derefs;
		2039
		2040	cf::cede_to_tick;
1501	# now do the right thing for maps	2041	# now do the right thing for maps
1502	$self->link_multipart_objects;	2042	$self->link_multipart_objects;
1503	Coro::cede;
1504
1505	unless ($self->{deny_activate}) {
1506	$self->decay_objects;
1507	$self->fix_auto_apply;
1508	$self->update_buttons;
1509	Coro::cede;
1510	$self->set_darkness_map;
1511	$self->difficulty ($self->estimate_difficulty)	2043	$self->difficulty ($self->estimate_difficulty)
1512	unless $self->difficulty;	2044	unless $self->difficulty;
1513	Coro::cede;	2045	cf::cede_to_tick;
		2046
		2047	unless ($self->{deny_activate}) {
		2048	$self->decay_objects;
		2049	$self->fix_auto_apply;
		2050	$self->update_buttons;
		2051	cf::cede_to_tick;
		2052	$self->set_darkness_map;
		2053	cf::cede_to_tick;
1514	$self->activate;	2054	$self->activate;
1515	Coro::cede;	2055	}
		2056
		2057	$self->{last_save} = $cf::RUNTIME;
		2058	$self->last_access ($cf::RUNTIME);
		2059
		2060	$self->in_memory (cf::MAP_ACTIVE);
1516	}	2061	}
1517		2062
1518	$self->post_load;	2063	$self->post_load;
1519	Coro::cede;
1520
1521	$self->in_memory (cf::MAP_IN_MEMORY);
1522	}	2064	}
1523		2065
1524	sub customise_for {	2066	sub customise_for {
1525	my ($self, $ob) = @_;	2067	my ($self, $ob) = @_;
1526		2068
1527	return find "~" . $ob->name . "/" . $self->{path}	2069	return find "~" . $ob->name . "/" . $self->{path}
1528	if $self->per_player;	2070	if $self->per_player;
1529		2071
		2072	# return find "?party/" . $ob->name . "/" . $self->{path}
		2073	# if $self->per_party;
		2074
1530	$self	2075	$self
1531	}	2076	}
1532		2077
1533	# find and load all maps in the 3x3 area around a map	2078	# find and load all maps in the 3x3 area around a map
1534	sub load_diag {	2079	sub load_neighbours {
1535	my ($map) = @_;	2080	my ($map) = @_;
1536		2081
1537	my @diag; # diagonal neighbours	2082	my @neigh; # diagonal neighbours
1538		2083
1539	for (0 .. 3) {	2084	for (0 .. 3) {
1540	my $neigh = $map->tile_path ($_)	2085	my $neigh = $map->tile_path ($_)
1541	or next;	2086	or next;
1542	$neigh = find $neigh, $map	2087	$neigh = find $neigh, $map
1543	or next;	2088	or next;
1544	$neigh->load;	2089	$neigh->load;
1545		2090
		2091	push @neigh,
1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2092	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2093	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1548	}	2094	}
1549		2095
1550	for (@diag) {	2096	for (grep defined $_->[0], @neigh) {
		2097	my ($path, $origin) = @$_;
1551	my $neigh = find @$_	2098	my $neigh = find $path, $origin
1552	or next;	2099	or next;
1553	$neigh->load;	2100	$neigh->load;
1554	}	2101	}
1555	}	2102	}
1556		2103
…		…
1561	}	2108	}
1562		2109
1563	sub do_load_sync {	2110	sub do_load_sync {
1564	my ($map) = @_;	2111	my ($map) = @_;
1565		2112
		2113	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2114	if $Coro::current == $Coro::main;
		2115
1566	cf::sync_job { $map->load };	2116	cf::sync_job { $map->load };
1567	}	2117	}
1568		2118
1569	our %MAP_PREFETCH;	2119	our %MAP_PREFETCH;
1570	our $MAP_PREFETCHER = undef;	2120	our $MAP_PREFETCHER = undef;
1571		2121
1572	sub find_async {	2122	sub find_async {
1573	my ($path, $origin) = @_;	2123	my ($path, $origin, $load) = @_;
1574		2124
1575	$path = normalise $path, $origin && $origin->{path};	2125	$path = normalise $path, $origin && $origin->{path};
1576		2126
1577	if (my $map = $cf::MAP{$path}) {	2127	if (my $map = $cf::MAP{$path}) {
1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2128	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1579	}	2129	}
1580		2130
1581	undef $MAP_PREFETCH{$path};	2131	$MAP_PREFETCH{$path} |= $load;
		2132
1582	$MAP_PREFETCHER ||= cf::async {	2133	$MAP_PREFETCHER ||= cf::async {
		2134	$Coro::current->{desc} = "map prefetcher";
		2135
1583	while (%MAP_PREFETCH) {	2136	while (%MAP_PREFETCH) {
1584	for my $path (keys %MAP_PREFETCH) {	2137	while (my ($k, $v) = each %MAP_PREFETCH) {
1585	my $map = find $path	2138	if (my $map = find $k) {
1586	or next;
1587	$map->load;	2139	$map->load if $v;
		2140	}
1588		2141
1589	delete $MAP_PREFETCH{$path};	2142	delete $MAP_PREFETCH{$k};
1590	}	2143	}
1591	}	2144	}
1592	undef $MAP_PREFETCHER;	2145	undef $MAP_PREFETCHER;
1593	};	2146	};
1594	$MAP_PREFETCHER->prio (6);	2147	$MAP_PREFETCHER->prio (6);
…		…
1597	}	2150	}
1598		2151
1599	sub save {	2152	sub save {
1600	my ($self) = @_;	2153	my ($self) = @_;
1601		2154
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;	2155	my $lock = cf::lock_acquire "map_data:$self->{path}";
1603		2156
1604	$self->{last_save} = $cf::RUNTIME;	2157	$self->{last_save} = $cf::RUNTIME;
1605		2158
1606	return unless $self->dirty;	2159	return unless $self->dirty;
1607		2160
…		…
1613	return if $self->{deny_save};	2166	return if $self->{deny_save};
1614		2167
1615	local $self->{last_access} = $self->last_access;#d#	2168	local $self->{last_access} = $self->last_access;#d#
1616		2169
1617	cf::async {	2170	cf::async {
		2171	$Coro::current->{desc} = "map player save";
1618	$_->contr->save for $self->players;	2172	$_->contr->save for $self->players;
1619	};	2173	};
		2174
		2175	cf::get_slot 0.02;
1620		2176
1621	if ($uniq) {	2177	if ($uniq) {
1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2178	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1623	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2179	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1624	} else {	2180	} else {
…		…
1630	my ($self) = @_;	2186	my ($self) = @_;
1631		2187
1632	# save first because save cedes	2188	# save first because save cedes
1633	$self->save;	2189	$self->save;
1634		2190
1635	my $lock = cf::lock_acquire "map_data:" . $self->path;	2191	my $lock = cf::lock_acquire "map_data:$self->{path}";
1636		2192
1637	return if $self->players;	2193	return if $self->players;
1638	return if $self->in_memory != cf::MAP_IN_MEMORY;	2194	return if $self->in_memory != cf::MAP_ACTIVE;
1639	return if $self->{deny_save};	2195	return if $self->{deny_save};
1640		2196
		2197	$self->in_memory (cf::MAP_SWAPPED);
		2198
		2199	$self->deactivate;
		2200	$_->clear_links_to ($self) for values %cf::MAP;
1641	$self->clear;	2201	$self->clear;
1642	$self->in_memory (cf::MAP_SWAPPED);
1643	}	2202	}
1644		2203
1645	sub reset_at {	2204	sub reset_at {
1646	my ($self) = @_;	2205	my ($self) = @_;
1647		2206
1648	# TODO: safety, remove and allow resettable per-player maps	2207	# TODO: safety, remove and allow resettable per-player maps
1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
1650	return 1e99 if $self->{deny_reset};	2208	return 1e99 if $self->{deny_reset};
1651		2209
1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2210	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2211	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654		2212
…		…
1665	my ($self) = @_;	2223	my ($self) = @_;
1666		2224
1667	my $lock = cf::lock_acquire "map_data:$self->{path}";	2225	my $lock = cf::lock_acquire "map_data:$self->{path}";
1668		2226
1669	return if $self->players;	2227	return if $self->players;
1670	return if $self->isa ("ext::map_per_player");#d#
1671		2228
1672	warn "resetting map ", $self->path;#d#	2229	warn "resetting map ", $self->path;
1673		2230
1674	$self->in_memory (cf::MAP_SWAPPED);	2231	$self->in_memory (cf::MAP_SWAPPED);
1675		2232
1676	# need to save uniques path	2233	# need to save uniques path
1677	unless ($self->{deny_save}) {	2234	unless ($self->{deny_save}) {
…		…
1681	if $uniq;	2238	if $uniq;
1682	}	2239	}
1683		2240
1684	delete $cf::MAP{$self->path};	2241	delete $cf::MAP{$self->path};
1685		2242
		2243	$self->deactivate;
		2244	$_->clear_links_to ($self) for values %cf::MAP;
1686	$self->clear;	2245	$self->clear;
1687
1688	$_->clear_links_to ($self) for values %cf::MAP;
1689		2246
1690	$self->unlink_save;	2247	$self->unlink_save;
1691	$self->destroy;	2248	$self->destroy;
1692	}	2249	}
1693		2250
1694	my $nuke_counter = "aaaa";	2251	my $nuke_counter = "aaaa";
1695		2252
1696	sub nuke {	2253	sub nuke {
1697	my ($self) = @_;	2254	my ($self) = @_;
1698		2255
		2256	{
		2257	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2258
1699	delete $cf::MAP{$self->path};	2259	delete $cf::MAP{$self->path};
1700		2260
1701	$self->unlink_save;	2261	$self->unlink_save;
1702		2262
1703	bless $self, "cf::map";	2263	bless $self, "cf::map";
1704	delete $self->{deny_reset};	2264	delete $self->{deny_reset};
1705	$self->{deny_save} = 1;	2265	$self->{deny_save} = 1;
1706	$self->reset_timeout (1);	2266	$self->reset_timeout (1);
1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2267	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708		2268
1709	$cf::MAP{$self->path} = $self;	2269	$cf::MAP{$self->path} = $self;
		2270	}
1710		2271
1711	$self->reset; # polite request, might not happen	2272	$self->reset; # polite request, might not happen
		2273	}
		2274
		2275	=item $maps = cf::map::tmp_maps
		2276
		2277	Returns an arrayref with all map paths of currently instantiated and saved
		2278	maps. May block.
		2279
		2280	=cut
		2281
		2282	sub tmp_maps() {
		2283	[
		2284	map {
		2285	utf8::decode $_;
		2286	/\.map$/
		2287	? normalise $_
		2288	: ()
		2289	} @{ aio_readdir $TMPDIR or [] }
		2290	]
		2291	}
		2292
		2293	=item $maps = cf::map::random_maps
		2294
		2295	Returns an arrayref with all map paths of currently instantiated and saved
		2296	random maps. May block.
		2297
		2298	=cut
		2299
		2300	sub random_maps() {
		2301	[
		2302	map {
		2303	utf8::decode $_;
		2304	/\.map$/
		2305	? normalise "?random/$_"
		2306	: ()
		2307	} @{ aio_readdir $RANDOMDIR or [] }
		2308	]
1712	}	2309	}
1713		2310
1714	=item cf::map::unique_maps	2311	=item cf::map::unique_maps
1715		2312
1716	Returns an arrayref of paths of all shared maps that have	2313	Returns an arrayref of paths of all shared maps that have
1717	instantiated unique items. May block.	2314	instantiated unique items. May block.
1718		2315
1719	=cut	2316	=cut
1720		2317
1721	sub unique_maps() {	2318	sub unique_maps() {
1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2319	[
1723	or return;	2320	map {
1724
1725	my @paths;
1726
1727	for (@$files) {
1728	utf8::decode $_;	2321	utf8::decode $_;
1729	next if /\.pst$/;	2322	s/\.map$//; # TODO future compatibility hack
1730	next unless /^$PATH_SEP/o;	2323	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1731		2324	? ()
1732	push @paths, cf::map::normalise $_;	2325	: normalise $_
		2326	} @{ aio_readdir $UNIQUEDIR or [] }
1733	}	2327	]
1734
1735	\@paths
1736	}	2328	}
1737
1738	package cf;
1739		2329
1740	=back	2330	=back
1741		2331
1742	=head3 cf::object	2332	=head3 cf::object
1743		2333
…		…
1747		2337
1748	=over 4	2338	=over 4
1749		2339
1750	=item $ob->inv_recursive	2340	=item $ob->inv_recursive
1751		2341
1752	Returns the inventory of the object _and_ their inventories, recursively.	2342	Returns the inventory of the object I<and> their inventories, recursively,
		2343	but I<not> the object itself.
1753		2344
1754	=cut	2345	=cut
1755		2346
1756	sub inv_recursive_;	2347	sub inv_recursive_;
1757	sub inv_recursive_ {	2348	sub inv_recursive_ {
…		…
1760		2351
1761	sub inv_recursive {	2352	sub inv_recursive {
1762	inv_recursive_ inv $_[0]	2353	inv_recursive_ inv $_[0]
1763	}	2354	}
1764		2355
		2356	=item $ref = $ob->ref
		2357
		2358	Creates and returns a persistent reference to an object that can be stored as a string.
		2359
		2360	=item $ob = cf::object::deref ($refstring)
		2361
		2362	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2363	even if the object actually exists. May block.
		2364
		2365	=cut
		2366
		2367	sub deref {
		2368	my ($ref) = @_;
		2369
		2370	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2371	my ($uuid, $name) = ($1, $2);
		2372	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2373	or return;
		2374	$pl->ob->uuid eq $uuid
		2375	or return;
		2376
		2377	$pl->ob
		2378	} else {
		2379	warn "$ref: cannot resolve object reference\n";
		2380	undef
		2381	}
		2382	}
		2383
1765	package cf;	2384	package cf;
1766		2385
1767	=back	2386	=back
1768		2387
1769	=head3 cf::object::player	2388	=head3 cf::object::player
…		…
1775	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2394	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1776	can be C<undef>. Does the right thing when the player is currently in a	2395	can be C<undef>. Does the right thing when the player is currently in a
1777	dialogue with the given NPC character.	2396	dialogue with the given NPC character.
1778		2397
1779	=cut	2398	=cut
		2399
		2400	our $SAY_CHANNEL = {
		2401	id => "say",
		2402	title => "Map",
		2403	reply => "say ",
		2404	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2405	};
		2406
		2407	our $CHAT_CHANNEL = {
		2408	id => "chat",
		2409	title => "Chat",
		2410	reply => "chat ",
		2411	tooltip => "Player chat and shouts, global to the server.",
		2412	};
1780		2413
1781	# rough implementation of a future "reply" method that works	2414	# rough implementation of a future "reply" method that works
1782	# with dialog boxes.	2415	# with dialog boxes.
1783	#TODO: the first argument must go, split into a $npc->reply_to ( method	2416	#TODO: the first argument must go, split into a $npc->reply_to ( method
1784	sub cf::object::player::reply($$$;$) {	2417	sub cf::object::player::reply($$$;$) {
…		…
1786		2419
1787	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2420	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788		2421
1789	if ($self->{record_replies}) {	2422	if ($self->{record_replies}) {
1790	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2423	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2424
1791	} else {	2425	} else {
		2426	my $pl = $self->contr;
		2427
		2428	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2429	my $dialog = $pl->{npc_dialog};
		2430	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2431
		2432	} else {
1792	$msg = $npc->name . " says: $msg" if $npc;	2433	$msg = $npc->name . " says: $msg" if $npc;
1793	$self->message ($msg, $flags);	2434	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2435	}
1794	}	2436	}
		2437	}
		2438
		2439	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2440
		2441	=cut
		2442
		2443	sub cf::object::send_msg {
		2444	my $pl = shift->contr
		2445	or return;
		2446	$pl->send_msg (@_);
1795	}	2447	}
1796		2448
1797	=item $player_object->may ("access")	2449	=item $player_object->may ("access")
1798		2450
1799	Returns wether the given player is authorized to access resource "access"	2451	Returns wether the given player is authorized to access resource "access"
…		…
1812		2464
1813	=item $player_object->enter_link	2465	=item $player_object->enter_link
1814		2466
1815	Freezes the player and moves him/her to a special map (C<{link}>).	2467	Freezes the player and moves him/her to a special map (C<{link}>).
1816		2468
1817	The player should be reasonably safe there for short amounts of time. You	2469	The player should be reasonably safe there for short amounts of time (e.g.
1818	I<MUST> call C<leave_link> as soon as possible, though.	2470	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2471	though, as the palyer cannot control the character while it is on the link
		2472	map.
1819		2473
1820	Will never block.	2474	Will never block.
1821		2475
1822	=item $player_object->leave_link ($map, $x, $y)	2476	=item $player_object->leave_link ($map, $x, $y)
1823		2477
…		…
1846	$self->deactivate_recursive;	2500	$self->deactivate_recursive;
1847		2501
1848	return if UNIVERSAL::isa $self->map, "ext::map_link";	2502	return if UNIVERSAL::isa $self->map, "ext::map_link";
1849		2503
1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2504	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851	if $self->map;	2505	if $self->map && $self->map->{path} ne "{link}";
1852		2506
1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2507	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1854	}	2508	}
1855		2509
1856	sub cf::object::player::leave_link {	2510	sub cf::object::player::leave_link {
1857	my ($self, $map, $x, $y) = @_;	2511	my ($self, $map, $x, $y) = @_;
		2512
		2513	return unless $self->contr->active;
1858		2514
1859	my $link_pos = delete $self->{_link_pos};	2515	my $link_pos = delete $self->{_link_pos};
1860		2516
1861	unless ($map) {	2517	unless ($map) {
1862	# restore original map position	2518	# restore original map position
…		…
1876	# use -1 or undef as default coordinates, not 0, 0	2532	# use -1 or undef as default coordinates, not 0, 0
1877	($x, $y) = ($map->enter_x, $map->enter_y)	2533	($x, $y) = ($map->enter_x, $map->enter_y)
1878	if $x <=0 && $y <= 0;	2534	if $x <=0 && $y <= 0;
1879		2535
1880	$map->load;	2536	$map->load;
1881	$map->load_diag;	2537	$map->load_neighbours;
1882		2538
1883	return unless $self->contr->active;	2539	return unless $self->contr->active;
		2540	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1884	$self->activate_recursive;	2541	$self->activate_recursive;
1885		2542
1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2543	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887	$self->enter_map ($map, $x, $y);	2544	$self->enter_map ($map, $x, $y);
1888	}	2545	}
1889		2546
1890	cf::player->attach (	2547	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1891	on_logout => sub {
1892	my ($pl) = @_;
1893		2548
1894	# abort map switching before logout	2549	Moves the player to the given map-path and coordinates by first freezing
1895	if ($pl->ob->{_link_pos}) {	2550	her, loading and preparing them map, calling the provided $check callback
1896	cf::sync_job {	2551	that has to return the map if sucecssful, and then unfreezes the player on
1897	$pl->ob->leave_link	2552	the new (success) or old (failed) map position. In either case, $done will
1898	};	2553	be called at the end of this process.
1899	}
1900	},
1901	on_login => sub {
1902	my ($pl) = @_;
1903		2554
1904	# try to abort aborted map switching on player login :)	2555	Note that $check will be called with a potentially non-loaded map, so if
1905	# should happen only on crashes	2556	it needs a loaded map it has to call C<< ->load >>.
1906	if ($pl->ob->{_link_pos}) {
1907	$pl->ob->enter_link;
1908	(async {
1909	$pl->ob->reply (undef,
1910	"There was an internal problem at your last logout, "
1911	. "the server will try to bring you to your intended destination in a second.",
1912	cf::NDI_RED);
1913	# we need this sleep as the login has a concurrent enter_exit running
1914	# and this sleep increases chances of the player not ending up in scorn
1915	Coro::Timer::sleep 1;
1916	$pl->ob->leave_link;
1917	})->prio (2);
1918	}
1919	},
1920	);
1921		2557
1922	=item $player_object->goto ($path, $x, $y)
1923
1924	=cut	2558	=cut
		2559
		2560	our $GOTOGEN;
1925		2561
1926	sub cf::object::player::goto {	2562	sub cf::object::player::goto {
1927	my ($self, $path, $x, $y) = @_;	2563	my ($self, $path, $x, $y, $check, $done) = @_;
		2564
		2565	# do generation counting so two concurrent goto's will be executed in-order
		2566	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1928		2567
1929	$self->enter_link;	2568	$self->enter_link;
1930		2569
1931	(async {	2570	(async {
		2571	$Coro::current->{desc} = "player::goto $path $x $y";
		2572
		2573	# *tag paths override both path and x|y
		2574	if ($path =~ /^\*(.*)$/) {
		2575	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2576	my $ob = $obs[rand @obs];
		2577
		2578	# see if we actually can go there
		2579	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2580	$ob = $obs[rand @obs];
		2581	} else {
		2582	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2583	}
		2584	# else put us there anyways for now #d#
		2585
		2586	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2587	} else {
		2588	($path, $x, $y) = (undef, undef, undef);
		2589	}
		2590	}
		2591
1932	my $map = eval {	2592	my $map = eval {
1933	my $map = cf::map::find $path;	2593	my $map = defined $path ? cf::map::find $path : undef;
		2594
		2595	if ($map) {
1934	$map = $map->customise_for ($self) if $map;	2596	$map = $map->customise_for ($self);
		2597	$map = $check->($map) if $check && $map;
		2598	} else {
		2599	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2600	}
		2601
1935	$map	2602	$map
		2603	};
		2604
		2605	if ($@) {
		2606	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2607	LOG llevError | logBacktrace, Carp::longmess $@;
1936	} or	2608	}
1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938		2609
		2610	if ($gen == $self->{_goto_generation}) {
		2611	delete $self->{_goto_generation};
1939	$self->leave_link ($map, $x, $y);	2612	$self->leave_link ($map, $x, $y);
		2613	}
		2614
		2615	$done->() if $done;
1940	})->prio (1);	2616	})->prio (1);
1941	}	2617	}
1942		2618
1943	=item $player_object->enter_exit ($exit_object)	2619	=item $player_object->enter_exit ($exit_object)
1944		2620
…		…
1964	}	2640	}
1965		2641
1966	sub prepare_random_map {	2642	sub prepare_random_map {
1967	my ($exit) = @_;	2643	my ($exit) = @_;
1968		2644
1969	my $guard = cf::lock_acquire "exit_prepare:$exit";
1970
1971	# all this does is basically replace the /! path by	2645	# all this does is basically replace the /! path by
1972	# a new random map path (?random/...) with a seed	2646	# a new random map path (?random/...) with a seed
1973	# that depends on the exit object	2647	# that depends on the exit object
1974		2648
1975	my $rmp = parse_random_map_params $exit->msg;	2649	my $rmp = parse_random_map_params $exit->msg;
…		…
1977	if ($exit->map) {	2651	if ($exit->map) {
1978	$rmp->{region} = $exit->region->name;	2652	$rmp->{region} = $exit->region->name;
1979	$rmp->{origin_map} = $exit->map->path;	2653	$rmp->{origin_map} = $exit->map->path;
1980	$rmp->{origin_x} = $exit->x;	2654	$rmp->{origin_x} = $exit->x;
1981	$rmp->{origin_y} = $exit->y;	2655	$rmp->{origin_y} = $exit->y;
		2656
		2657	$exit->map->touch;
1982	}	2658	}
1983		2659
1984	$rmp->{random_seed} ||= $exit->random_seed;	2660	$rmp->{random_seed} ||= $exit->random_seed;
1985		2661
1986	my $data = cf::to_json $rmp;	2662	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1987	my $md5 = Digest::MD5::md5_hex $data;	2663	my $md5 = Digest::MD5::md5_hex $data;
1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2664	my $meta = "$RANDOMDIR/$md5.meta";
1989		2665
1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2666	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991	aio_write $fh, 0, (length $data), $data, 0;	2667	aio_write $fh, 0, (length $data), $data, 0;
1992	undef $fh;	2668	undef $fh;
1993	aio_rename "$meta~", $meta;	2669	aio_rename "$meta~", $meta;
1994		2670
		2671	my $slaying = "?random/$md5";
		2672
		2673	if ($exit->valid) {
1995	$exit->slaying ("?random/$md5");	2674	$exit->slaying ("?random/$md5");
1996	$exit->msg (undef);	2675	$exit->msg (undef);
		2676	}
1997	}	2677	}
1998	}	2678	}
1999		2679
2000	sub cf::object::player::enter_exit {	2680	sub cf::object::player::enter_exit {
2001	my ($self, $exit) = @_;	2681	my ($self, $exit) = @_;
2002		2682
2003	return unless $self->type == cf::PLAYER;	2683	return unless $self->type == cf::PLAYER;
2004		2684
2005	if ($exit->slaying eq "/!") {
2006	#TODO: this should de-fi-ni-te-ly not be a sync-job
2007	# the problem is that $exit might not survive long enough
2008	# so it needs to be done right now, right here
2009	cf::sync_job { prepare_random_map $exit };
2010	}
2011
2012	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2013	my $hp = $exit->stats->hp;
2014	my $sp = $exit->stats->sp;
2015
2016	$self->enter_link;	2685	$self->enter_link;
2017		2686
2018	(async {	2687	(async {
2019	$self->deactivate_recursive; # just to be sure	2688	$Coro::current->{desc} = "enter_exit";
		2689
2020	unless (eval {	2690	unless (eval {
		2691	$self->deactivate_recursive; # just to be sure
		2692
		2693	# random map handling
		2694	{
		2695	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2696
		2697	prepare_random_map $exit
		2698	if $exit->slaying eq "/!";
		2699	}
		2700
		2701	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2702	my $x = $exit->stats->hp;
		2703	my $y = $exit->stats->sp;
		2704
2021	$self->goto ($slaying, $hp, $sp);	2705	$self->goto ($map, $x, $y);
2022		2706
		2707	# if exit is damned, update players death & WoR home-position
		2708	$self->contr->savebed ($map, $x, $y)
		2709	if $exit->flag (cf::FLAG_DAMNED);
		2710
2023	1;	2711	1
2024	}) {	2712	}) {
2025	$self->message ("Something went wrong deep within the crossfire server. "	2713	$self->message ("Something went wrong deep within the deliantra server. "
2026	. "I'll try to bring you back to the map you were before. "	2714	. "I'll try to bring you back to the map you were before. "
2027	. "Please report this to the dungeon master!",	2715	. "Please report this to the dungeon master!",
2028	cf::NDI_UNIQUE | cf::NDI_RED);	2716	cf::NDI_UNIQUE | cf::NDI_RED);
2029		2717
2030	warn "ERROR in enter_exit: $@";	2718	warn "ERROR in enter_exit: $@";
…		…
2049		2737
2050	utf8::encode $text;	2738	utf8::encode $text;
2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2739	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2052	}	2740	}
2053		2741
		2742	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2743
		2744	Send a drawinfo or msg packet to the client, formatting the msg for the
		2745	client if neccessary. C<$type> should be a string identifying the type of
		2746	the message, with C<log> being the default. If C<$color> is negative, suppress
		2747	the message unless the client supports the msg packet.
		2748
		2749	=cut
		2750
		2751	# non-persistent channels (usually the info channel)
		2752	our %CHANNEL = (
		2753	"c/identify" => {
		2754	id => "infobox",
		2755	title => "Identify",
		2756	reply => undef,
		2757	tooltip => "Items recently identified",
		2758	},
		2759	"c/examine" => {
		2760	id => "infobox",
		2761	title => "Examine",
		2762	reply => undef,
		2763	tooltip => "Signs and other items you examined",
		2764	},
		2765	"c/book" => {
		2766	id => "infobox",
		2767	title => "Book",
		2768	reply => undef,
		2769	tooltip => "The contents of a note or book",
		2770	},
		2771	"c/lookat" => {
		2772	id => "infobox",
		2773	title => "Look",
		2774	reply => undef,
		2775	tooltip => "What you saw there",
		2776	},
		2777	"c/who" => {
		2778	id => "infobox",
		2779	title => "Players",
		2780	reply => undef,
		2781	tooltip => "Shows players who are currently online",
		2782	},
		2783	"c/body" => {
		2784	id => "infobox",
		2785	title => "Body Parts",
		2786	reply => undef,
		2787	tooltip => "Shows which body parts you posess and are available",
		2788	},
		2789	"c/uptime" => {
		2790	id => "infobox",
		2791	title => "Uptime",
		2792	reply => undef,
		2793	tooltip => "How long the server has been running since last restart",
		2794	},
		2795	"c/mapinfo" => {
		2796	id => "infobox",
		2797	title => "Map Info",
		2798	reply => undef,
		2799	tooltip => "Information related to the maps",
		2800	},
		2801	"c/party" => {
		2802	id => "party",
		2803	title => "Party",
		2804	reply => "gsay ",
		2805	tooltip => "Messages and chat related to your party",
		2806	},
		2807	);
		2808
		2809	sub cf::client::send_msg {
		2810	my ($self, $channel, $msg, $color, @extra) = @_;
		2811
		2812	$msg = $self->pl->expand_cfpod ($msg)
		2813	unless $color & cf::NDI_VERBATIM;
		2814
		2815	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2816
		2817	# check predefined channels, for the benefit of C
		2818	if ($CHANNEL{$channel}) {
		2819	$channel = $CHANNEL{$channel};
		2820
		2821	$self->ext_msg (channel_info => $channel)
		2822	if $self->can_msg;
		2823
		2824	$channel = $channel->{id};
		2825
		2826	} elsif (ref $channel) {
		2827	# send meta info to client, if not yet sent
		2828	unless (exists $self->{channel}{$channel->{id}}) {
		2829	$self->{channel}{$channel->{id}} = $channel;
		2830	$self->ext_msg (channel_info => $channel)
		2831	if $self->can_msg;
		2832	}
		2833
		2834	$channel = $channel->{id};
		2835	}
		2836
		2837	return unless @extra || length $msg;
		2838
		2839	if ($self->can_msg) {
		2840	# default colour, mask it out
		2841	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2842	if $color & cf::NDI_DEF;
		2843
		2844	my $pkt = "msg "
		2845	. $self->{json_coder}->encode (
		2846	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2847	);
		2848
		2849	# try lzf for large packets
		2850	$pkt = "lzf " . Compress::LZF::compress $pkt
		2851	if 1024 <= length $pkt and $self->{can_lzf};
		2852
		2853	# split very large packets
		2854	if (8192 < length $pkt and $self->{can_lzf}) {
		2855	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2856	$pkt = "frag";
		2857	}
		2858
		2859	$self->send_packet ($pkt);
		2860	} else {
		2861	if ($color >= 0) {
		2862	# replace some tags by gcfclient-compatible ones
		2863	for ($msg) {
		2864	1 while
		2865	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2866	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2867	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2868	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2869	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2870	}
		2871
		2872	$color &= cf::NDI_COLOR_MASK;
		2873
		2874	utf8::encode $msg;
		2875
		2876	if (0 && $msg =~ /\[/) {
		2877	# COMMAND/INFO
		2878	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2879	} else {
		2880	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2881	$self->send_packet ("drawinfo $color $msg")
		2882	}
		2883	}
		2884	}
		2885	}
		2886
2054	=item $client->ext_event ($type, %msg)	2887	=item $client->ext_msg ($type, @msg)
2055		2888
2056	Sends an exti event to the client.	2889	Sends an ext event to the client.
2057		2890
2058	=cut	2891	=cut
2059		2892
2060	sub cf::client::ext_event($$%) {	2893	sub cf::client::ext_msg($$@) {
2061	my ($self, $type, %msg) = @_;	2894	my ($self, $type, @msg) = @_;
2062		2895
		2896	if ($self->extcmd == 2) {
		2897	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2898	} elsif ($self->extcmd == 1) { # TODO: remove
2063	$msg{msgtype} = "event_$type";	2899	push @msg, msgtype => "event_$type";
2064	$self->send_packet ("ext " . cf::to_json \%msg);	2900	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2901	}
		2902	}
		2903
		2904	=item $client->ext_reply ($msgid, @msg)
		2905
		2906	Sends an ext reply to the client.
		2907
		2908	=cut
		2909
		2910	sub cf::client::ext_reply($$@) {
		2911	my ($self, $id, @msg) = @_;
		2912
		2913	if ($self->extcmd == 2) {
		2914	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2915	} elsif ($self->extcmd == 1) {
		2916	#TODO: version 1, remove
		2917	unshift @msg, msgtype => "reply", msgid => $id;
		2918	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2919	}
2065	}	2920	}
2066		2921
2067	=item $success = $client->query ($flags, "text", \&cb)	2922	=item $success = $client->query ($flags, "text", \&cb)
2068		2923
2069	Queues a query to the client, calling the given callback with	2924	Queues a query to the client, calling the given callback with
2070	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2925	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2071	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2926	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2072		2927
2073	Queries can fail, so check the return code. Or don't, as queries will become	2928	Queries can fail, so check the return code. Or don't, as queries will
2074	reliable at some point in the future.	2929	become reliable at some point in the future.
2075		2930
2076	=cut	2931	=cut
2077		2932
2078	sub cf::client::query {	2933	sub cf::client::query {
2079	my ($self, $flags, $text, $cb) = @_;	2934	my ($self, $flags, $text, $cb) = @_;
…		…
2087	utf8::encode $text;	2942	utf8::encode $text;
2088	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2943	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089		2944
2090	$self->send_packet ($self->{query_queue}[0][0])	2945	$self->send_packet ($self->{query_queue}[0][0])
2091	if @{ $self->{query_queue} } == 1;	2946	if @{ $self->{query_queue} } == 1;
		2947
		2948	1
2092	}	2949	}
2093		2950
2094	cf::client->attach (	2951	cf::client->attach (
		2952	on_connect => sub {
		2953	my ($ns) = @_;
		2954
		2955	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2956	},
2095	on_reply => sub {	2957	on_reply => sub {
2096	my ($ns, $msg) = @_;	2958	my ($ns, $msg) = @_;
2097		2959
2098	# this weird shuffling is so that direct followup queries	2960	# this weird shuffling is so that direct followup queries
2099	# get handled first	2961	# get handled first
…		…
2111	} else {	2973	} else {
2112	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2974	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113	}	2975	}
2114	}	2976	}
2115	},	2977	},
		2978	on_exticmd => sub {
		2979	my ($ns, $buf) = @_;
		2980
		2981	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2982
		2983	if (ref $msg) {
		2984	my ($type, $reply, @payload) =
		2985	"ARRAY" eq ref $msg
		2986	? @$msg
		2987	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2988
		2989	my @reply;
		2990
		2991	if (my $cb = $EXTICMD{$type}) {
		2992	@reply = $cb->($ns, @payload);
		2993	}
		2994
		2995	$ns->ext_reply ($reply, @reply)
		2996	if $reply;
		2997
		2998	} else {
		2999	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3000	}
		3001
		3002	cf::override;
		3003	},
2116	);	3004	);
2117		3005
2118	=item $client->async (\&cb)	3006	=item $client->async (\&cb)
2119		3007
2120	Create a new coroutine, running the specified callback. The coroutine will	3008	Create a new coroutine, running the specified callback. The coroutine will
…		…
2161	our $safe = new Safe "safe";	3049	our $safe = new Safe "safe";
2162	our $safe_hole = new Safe::Hole;	3050	our $safe_hole = new Safe::Hole;
2163		3051
2164	$SIG{FPE} = 'IGNORE';	3052	$SIG{FPE} = 'IGNORE';
2165		3053
2166	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3054	$safe->permit_only (Opcode::opset qw(
		3055	:base_core :base_mem :base_orig :base_math
		3056	grepstart grepwhile mapstart mapwhile
		3057	sort time
		3058	));
2167		3059
2168	# here we export the classes and methods available to script code	3060	# here we export the classes and methods available to script code
2169		3061
2170	=pod	3062	=pod
2171		3063
2172	The following functions and methods are available within a safe environment:	3064	The following functions and methods are available within a safe environment:
2173		3065
2174	cf::object contr pay_amount pay_player map	3066	cf::object
		3067	contr pay_amount pay_player map x y force_find force_add destroy
		3068	insert remove name archname title slaying race decrease split
		3069
2175	cf::object::player player	3070	cf::object::player
2176	cf::player peaceful	3071	player
2177	cf::map trigger	3072
		3073	cf::player
		3074	peaceful
		3075
		3076	cf::map
		3077	trigger
2178		3078
2179	=cut	3079	=cut
2180		3080
2181	for (	3081	for (
2182	["cf::object" => qw(contr pay_amount pay_player map)],	3082	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3083	insert remove inv nrof name archname title slaying race
		3084	decrease split destroy change_exp)],
2183	["cf::object::player" => qw(player)],	3085	["cf::object::player" => qw(player)],
2184	["cf::player" => qw(peaceful)],	3086	["cf::player" => qw(peaceful)],
2185	["cf::map" => qw(trigger)],	3087	["cf::map" => qw(trigger)],
2186	) {	3088	) {
2187	no strict 'refs';	3089	no strict 'refs';
…		…
2258	=back	3160	=back
2259		3161
2260	=cut	3162	=cut
2261		3163
2262	#############################################################################	3164	#############################################################################
2263
2264	=head2 EXTENSION DATABASE SUPPORT
2265
2266	Crossfire maintains a very simple database for extension use. It can
2267	currently store anything that can be serialised using Storable, which
2268	excludes objects.
2269
2270	The parameter C<$family> should best start with the name of the extension
2271	using it, it should be unique.
2272
2273	=over 4
2274
2275	=item $value = cf::db_get $family => $key
2276
2277	Returns a single value from the database.
2278
2279	=item cf::db_put $family => $key => $value
2280
2281	Stores the given C<$value> in the family.
2282
2283	=cut
2284
2285	our $DB;
2286
2287	sub db_init {
2288	unless ($DB) {
2289	$DB = BDB::db_create $DB_ENV;
2290
2291	cf::sync_job {
2292	eval {
2293	$DB->set_flags (BDB::CHKSUM);
2294
2295	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2296	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2297	cf::cleanup "db_open(db): $!" if $!;
2298	};
2299	cf::cleanup "db_open(db): $@" if $@;
2300	};
2301
2302	my $path = cf::localdir . "/database.pst";
2303	if (stat $path) {
2304	cf::sync_job {
2305	my $pst = Storable::retrieve $path;
2306
2307	cf::db_put (board => data => $pst->{board});
2308	cf::db_put (guildrules => data => $pst->{guildrules});
2309	cf::db_put (rent => balance => $pst->{rent}{balance});
2310	BDB::db_env_txn_checkpoint $DB_ENV;
2311
2312	unlink $path;
2313	};
2314	}
2315	}
2316	}
2317
2318	sub db_get($$) {
2319	my $key = "$_[0]/$_[1]";
2320
2321	cf::sync_job {
2322	BDB::db_get $DB, undef, $key, my $data;
2323
2324	$! ? ()
2325	: Compress::LZF::sthaw $data
2326	}
2327	}
2328
2329	sub db_put($$$) {
2330	BDB::dbreq_pri 4;
2331	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2332	}
2333
2334	#############################################################################
2335	# the server's init and main functions	3165	# the server's init and main functions
2336		3166
2337	sub load_facedata {	3167	sub load_facedata($) {
2338	my $path = sprintf "%s/facedata", cf::datadir;	3168	my ($path) = @_;
		3169
		3170	# HACK to clear player env face cache, we need some signal framework
		3171	# for this (global event?)
		3172	%ext::player_env::MUSIC_FACE_CACHE = ();
		3173
		3174	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2339		3175
2340	warn "loading facedata from $path\n";	3176	warn "loading facedata from $path\n";
2341		3177
2342	my $facedata;	3178	my $facedata;
2343	0 < aio_load $path, $facedata	3179	0 < aio_load $path, $facedata
…		…
2346	$facedata = Coro::Storable::thaw $facedata;	3182	$facedata = Coro::Storable::thaw $facedata;
2347		3183
2348	$facedata->{version} == 2	3184	$facedata->{version} == 2
2349	or cf::cleanup "$path: version mismatch, cannot proceed.";	3185	or cf::cleanup "$path: version mismatch, cannot proceed.";
2350		3186
		3187	# patch in the exptable
		3188	$facedata->{resource}{"res/exp_table"} = {
		3189	type => FT_RSRC,
		3190	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3191	};
		3192	cf::cede_to_tick;
		3193
2351	{	3194	{
2352	my $faces = $facedata->{faceinfo};	3195	my $faces = $facedata->{faceinfo};
2353		3196
2354	while (my ($face, $info) = each %$faces) {	3197	while (my ($face, $info) = each %$faces) {
2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3198	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3199
2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3200	cf::face::set_visibility $idx, $info->{visibility};
		3201	cf::face::set_magicmap $idx, $info->{magicmap};
2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3202	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3203	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2359	Coro::cede;	3204
		3205	cf::cede_to_tick;
2360	}	3206	}
2361		3207
2362	while (my ($face, $info) = each %$faces) {	3208	while (my ($face, $info) = each %$faces) {
2363	next unless $info->{smooth};	3209	next unless $info->{smooth};
		3210
2364	my $idx = cf::face::find $face	3211	my $idx = cf::face::find $face
2365	or next;	3212	or next;
		3213
2366	if (my $smooth = cf::face::find $info->{smooth}) {	3214	if (my $smooth = cf::face::find $info->{smooth}) {
		3215	cf::face::set_smooth $idx, $smooth;
2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3216	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2368	} else {	3217	} else {
2369	warn "smooth face '$info->{smooth}' not found for face '$face'";	3218	warn "smooth face '$info->{smooth}' not found for face '$face'";
2370	}	3219	}
2371	Coro::cede;	3220
		3221	cf::cede_to_tick;
2372	}	3222	}
2373	}	3223	}
2374		3224
2375	{	3225	{
2376	my $anims = $facedata->{animinfo};	3226	my $anims = $facedata->{animinfo};
2377		3227
2378	while (my ($anim, $info) = each %$anims) {	3228	while (my ($anim, $info) = each %$anims) {
2379	cf::anim::set $anim, $info->{frames}, $info->{facings};	3229	cf::anim::set $anim, $info->{frames}, $info->{facings};
2380	Coro::cede;	3230	cf::cede_to_tick;
2381	}	3231	}
2382		3232
2383	cf::anim::invalidate_all; # d'oh	3233	cf::anim::invalidate_all; # d'oh
2384	}	3234	}
2385		3235
		3236	{
		3237	# TODO: for gcfclient pleasure, we should give resources
		3238	# that gcfclient doesn't grok a >10000 face index.
		3239	my $res = $facedata->{resource};
		3240
		3241	while (my ($name, $info) = each %$res) {
		3242	if (defined $info->{type}) {
		3243	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3244	my $data;
		3245
		3246	if ($info->{type} & 1) {
		3247	# prepend meta info
		3248
		3249	my $meta = $enc->encode ({
		3250	name => $name,
		3251	%{ $info->{meta} || {} },
		3252	});
		3253
		3254	$data = pack "(w/a*)*", $meta, $info->{data};
		3255	} else {
		3256	$data = $info->{data};
		3257	}
		3258
		3259	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3260	cf::face::set_type $idx, $info->{type};
		3261	} else {
		3262	$RESOURCE{$name} = $info;
		3263	}
		3264
		3265	cf::cede_to_tick;
		3266	}
		3267	}
		3268
		3269	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3270
2386	1	3271	1
2387	}	3272	}
2388		3273
		3274	cf::global->attach (on_resource_update => sub {
		3275	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3276	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3277
		3278	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3279	my $sound = $soundconf->{compat}[$_]
		3280	or next;
		3281
		3282	my $face = cf::face::find "sound/$sound->[1]";
		3283	cf::sound::set $sound->[0] => $face;
		3284	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3285	}
		3286
		3287	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3288	my $face = cf::face::find "sound/$v";
		3289	cf::sound::set $k => $face;
		3290	}
		3291	}
		3292	});
		3293
		3294	register_exticmd fx_want => sub {
		3295	my ($ns, $want) = @_;
		3296
		3297	while (my ($k, $v) = each %$want) {
		3298	$ns->fx_want ($k, $v);
		3299	}
		3300	};
		3301
		3302	sub load_resource_file($) {
		3303	my $guard = lock_acquire "load_resource_file";
		3304
		3305	my $status = load_resource_file_ $_[0];
		3306	get_slot 0.1, 100;
		3307	cf::arch::commit_load;
		3308
		3309	$status
		3310	}
		3311
		3312	sub reload_regions {
		3313	# HACK to clear player env face cache, we need some signal framework
		3314	# for this (global event?)
		3315	%ext::player_env::MUSIC_FACE_CACHE = ();
		3316
		3317	load_resource_file "$MAPDIR/regions"
		3318	or die "unable to load regions file\n";
		3319
		3320	for (cf::region::list) {
		3321	$_->{match} = qr/$_->{match}/
		3322	if exists $_->{match};
		3323	}
		3324	}
		3325
		3326	sub reload_facedata {
		3327	load_facedata "$DATADIR/facedata"
		3328	or die "unable to load facedata\n";
		3329	}
		3330
		3331	sub reload_archetypes {
		3332	load_resource_file "$DATADIR/archetypes"
		3333	or die "unable to load archetypes\n";
		3334	}
		3335
		3336	sub reload_treasures {
		3337	load_resource_file "$DATADIR/treasures"
		3338	or die "unable to load treasurelists\n";
		3339	}
		3340
2389	sub reload_resources {	3341	sub reload_resources {
2390	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3342	warn "reloading resource files...\n";
2391	or die "unable to load regions file\n";#d#	3343
2392	load_facedata	3344	reload_facedata;
2393	or die "unable to load facedata\n";#d#	3345	reload_archetypes;
		3346	reload_regions;
		3347	reload_treasures;
		3348
		3349	warn "finished reloading resource files\n";
2394	}	3350	}
2395		3351
2396	sub init {	3352	sub init {
		3353	my $guard = freeze_mainloop;
		3354
		3355	evthread_start IO::AIO::poll_fileno;
		3356
2397	reload_resources;	3357	reload_resources;
2398	}	3358	}
2399		3359
2400	sub cfg_load {	3360	sub reload_config {
2401	open my $fh, "<:utf8", cf::confdir . "/config"	3361	open my $fh, "<:utf8", "$CONFDIR/config"
2402	or return;	3362	or return;
2403		3363
2404	local $/;	3364	local $/;
2405	*CFG = YAML::Syck::Load <$fh>;	3365	*CFG = YAML::Load <$fh>;
2406		3366
2407	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3367	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2408		3368
2409	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3369	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2410	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3370	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2416	};	3376	};
2417	warn $@ if $@;	3377	warn $@ if $@;
2418	}	3378	}
2419	}	3379	}
2420		3380
		3381	sub pidfile() {
		3382	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3383	or die "$PIDFILE: $!";
		3384	flock $fh, &Fcntl::LOCK_EX
		3385	or die "$PIDFILE: flock: $!";
		3386	$fh
		3387	}
		3388
		3389	# make sure only one server instance is running at any one time
		3390	sub atomic {
		3391	my $fh = pidfile;
		3392
		3393	my $pid = <$fh>;
		3394	kill 9, $pid if $pid > 0;
		3395
		3396	seek $fh, 0, 0;
		3397	print $fh $$;
		3398	}
		3399
2421	sub main {	3400	sub main {
		3401	atomic;
		3402
2422	# we must not ever block the main coroutine	3403	# we must not ever block the main coroutine
2423	local $Coro::idle = sub {	3404	local $Coro::idle = sub {
2424	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3405	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2425	(async {	3406	(async {
2426	Event::one_event;	3407	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3408	EV::loop EV::LOOP_ONESHOT;
2427	})->prio (Coro::PRIO_MAX);	3409	})->prio (Coro::PRIO_MAX);
2428	};	3410	};
2429		3411
2430	cfg_load;	3412	{
		3413	my $guard = freeze_mainloop;
		3414	reload_config;
2431	db_init;	3415	db_init;
2432	load_extensions;	3416	load_extensions;
2433		3417
2434	$TICK_WATCHER->start;	3418	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3419	}
		3420
		3421	utime time, time, $RUNTIMEFILE;
		3422
		3423	# no (long-running) fork's whatsoever before this point(!)
		3424	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3425
2435	Event::loop;	3426	EV::loop;
2436	}	3427	}
2437		3428
2438	#############################################################################	3429	#############################################################################
2439	# initialisation and cleanup	3430	# initialisation and cleanup
2440		3431
2441	# install some emergency cleanup handlers	3432	# install some emergency cleanup handlers
2442	BEGIN {	3433	BEGIN {
		3434	our %SIGWATCHER = ();
2443	for my $signal (qw(INT HUP TERM)) {	3435	for my $signal (qw(INT HUP TERM)) {
2444	Event->signal (	3436	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2445	reentrant => 0,
2446	data => WF_AUTOCANCEL,
2447	signal => $signal,
2448	prio => 0,
2449	cb => sub {
2450	cf::cleanup "SIG$signal";	3437	cf::cleanup "SIG$signal";
2451	},
2452	);	3438	};
		3439	}
		3440	}
		3441
		3442	sub write_runtime_sync {
		3443	# first touch the runtime file to show we are still running:
		3444	# the fsync below can take a very very long time.
		3445
		3446	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3447
		3448	my $guard = cf::lock_acquire "write_runtime";
		3449
		3450	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3451	or return;
		3452
		3453	my $value = $cf::RUNTIME + 90 + 10;
		3454	# 10 is the runtime save interval, for a monotonic clock
		3455	# 60 allows for the watchdog to kill the server.
		3456
		3457	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3458	and return;
		3459
		3460	# always fsync - this file is important
		3461	aio_fsync $fh
		3462	and return;
		3463
		3464	# touch it again to show we are up-to-date
		3465	aio_utime $fh, undef, undef;
		3466
		3467	close $fh
		3468	or return;
		3469
		3470	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3471	and return;
		3472
		3473	warn "runtime file written.\n";
		3474
2453	}	3475	1
		3476	}
		3477
		3478	our $uuid_lock;
		3479	our $uuid_skip;
		3480
		3481	sub write_uuid_sync($) {
		3482	$uuid_skip ||= $_[0];
		3483
		3484	return if $uuid_lock;
		3485	local $uuid_lock = 1;
		3486
		3487	my $uuid = "$LOCALDIR/uuid";
		3488
		3489	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3490	or return;
		3491
		3492	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3493	$uuid_skip = 0;
		3494
		3495	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3496	and return;
		3497
		3498	# always fsync - this file is important
		3499	aio_fsync $fh
		3500	and return;
		3501
		3502	close $fh
		3503	or return;
		3504
		3505	aio_rename "$uuid~", $uuid
		3506	and return;
		3507
		3508	warn "uuid file written ($value).\n";
		3509
		3510	1
		3511
		3512	}
		3513
		3514	sub write_uuid($$) {
		3515	my ($skip, $sync) = @_;
		3516
		3517	$sync ? write_uuid_sync $skip
		3518	: async { write_uuid_sync $skip };
2454	}	3519	}
2455		3520
2456	sub emergency_save() {	3521	sub emergency_save() {
2457	my $freeze_guard = cf::freeze_mainloop;	3522	my $freeze_guard = cf::freeze_mainloop;
2458		3523
…		…
2464	# and maps saved/destroyed asynchronously.	3529	# and maps saved/destroyed asynchronously.
2465	warn "begin emergency player save\n";	3530	warn "begin emergency player save\n";
2466	for my $login (keys %cf::PLAYER) {	3531	for my $login (keys %cf::PLAYER) {
2467	my $pl = $cf::PLAYER{$login} or next;	3532	my $pl = $cf::PLAYER{$login} or next;
2468	$pl->valid or next;	3533	$pl->valid or next;
		3534	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2469	$pl->save;	3535	$pl->save;
2470	}	3536	}
2471	warn "end emergency player save\n";	3537	warn "end emergency player save\n";
2472		3538
2473	warn "begin emergency map save\n";	3539	warn "begin emergency map save\n";
…		…
2479	warn "end emergency map save\n";	3545	warn "end emergency map save\n";
2480		3546
2481	warn "begin emergency database checkpoint\n";	3547	warn "begin emergency database checkpoint\n";
2482	BDB::db_env_txn_checkpoint $DB_ENV;	3548	BDB::db_env_txn_checkpoint $DB_ENV;
2483	warn "end emergency database checkpoint\n";	3549	warn "end emergency database checkpoint\n";
		3550
		3551	warn "begin write uuid\n";
		3552	write_uuid_sync 1;
		3553	warn "end write uuid\n";
2484	};	3554	};
2485		3555
2486	warn "leave emergency perl save\n";	3556	warn "leave emergency perl save\n";
2487	}	3557	}
2488		3558
2489	sub post_cleanup {	3559	sub post_cleanup {
2490	my ($make_core) = @_;	3560	my ($make_core) = @_;
2491		3561
2492	warn Carp::longmess "post_cleanup backtrace"	3562	warn Carp::longmess "post_cleanup backtrace"
2493	if $make_core;	3563	if $make_core;
2494	}
2495		3564
		3565	my $fh = pidfile;
		3566	unlink $PIDFILE if <$fh> == $$;
		3567	}
		3568
		3569	# a safer delete_package, copied from Symbol
		3570	sub clear_package($) {
		3571	my $pkg = shift;
		3572
		3573	# expand to full symbol table name if needed
		3574	unless ($pkg =~ /^main::.*::$/) {
		3575	$pkg = "main$pkg" if $pkg =~ /^::/;
		3576	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3577	$pkg .= '::' unless $pkg =~ /::$/;
		3578	}
		3579
		3580	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3581	my $stem_symtab = *{$stem}{HASH};
		3582
		3583	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3584	or return;
		3585
		3586	# clear all symbols
		3587	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3588	for my $name (keys %$leaf_symtab) {
		3589	_gv_clear *{"$pkg$name"};
		3590	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3591	}
		3592	warn "cleared package #$pkg\n";#d#
		3593	}
		3594
		3595	our $RELOAD; # how many times to reload
		3596
2496	sub reload() {	3597	sub do_reload_perl() {
2497	# can/must only be called in main	3598	# can/must only be called in main
2498	if ($Coro::current != $Coro::main) {	3599	if ($Coro::current != $Coro::main) {
2499	warn "can only reload from main coroutine";	3600	warn "can only reload from main coroutine";
2500	return;	3601	return;
2501	}	3602	}
2502		3603
		3604	return if $RELOAD++;
		3605
		3606	while ($RELOAD) {
2503	warn "reloading...";	3607	warn "reloading...";
2504		3608
2505	warn "entering sync_job";	3609	warn "entering sync_job";
2506		3610
2507	cf::sync_job {	3611	cf::sync_job {
2508	cf::write_runtime; # external watchdog should not bark	3612	cf::write_runtime_sync; # external watchdog should not bark
2509	cf::emergency_save;	3613	cf::emergency_save;
2510	cf::write_runtime; # external watchdog should not bark	3614	cf::write_runtime_sync; # external watchdog should not bark
2511		3615
2512	warn "syncing database to disk";	3616	warn "syncing database to disk";
2513	BDB::db_env_txn_checkpoint $DB_ENV;	3617	BDB::db_env_txn_checkpoint $DB_ENV;
2514		3618
2515	# if anything goes wrong in here, we should simply crash as we already saved	3619	# if anything goes wrong in here, we should simply crash as we already saved
2516		3620
2517	warn "cancelling all WF_AUTOCANCEL watchers";
2518	for (Event::all_watchers) {
2519	$_->cancel if $_->data & WF_AUTOCANCEL;
2520	}
2521
2522	warn "flushing outstanding aio requests";	3621	warn "flushing outstanding aio requests";
2523	for (;;) {
2524	BDB::flush;
2525	IO::AIO::flush;
2526	Coro::cede;
2527	last unless IO::AIO::nreqs || BDB::nreqs;	3622	while (IO::AIO::nreqs || BDB::nreqs) {
2528	warn "iterate...";	3623	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2529	}
2530
2531	++$RELOAD;
2532
2533	warn "cancelling all extension coros";
2534	$_->cancel for values %EXT_CORO;
2535	%EXT_CORO = ();
2536
2537	warn "removing commands";
2538	%COMMAND = ();
2539
2540	warn "removing ext commands";
2541	%EXTCMD = ();
2542
2543	warn "unloading/nuking all extensions";
2544	for my $pkg (@EXTS) {
2545	warn "... unloading $pkg";
2546
2547	if (my $cb = $pkg->can ("unload")) {
2548	eval {
2549	$cb->($pkg);
2550	1
2551	} or warn "$pkg unloaded, but with errors: $@";
2552	}	3624	}
2553		3625
2554	warn "... nuking $pkg";	3626	warn "cancelling all extension coros";
2555	Symbol::delete_package $pkg;	3627	$_->cancel for values %EXT_CORO;
2556	}	3628	%EXT_CORO = ();
2557		3629
2558	warn "unloading all perl modules loaded from $LIBDIR";	3630	warn "removing commands";
2559	while (my ($k, $v) = each %INC) {	3631	%COMMAND = ();
2560	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2561		3632
		3633	warn "removing ext/exti commands";
		3634	%EXTCMD = ();
		3635	%EXTICMD = ();
		3636
		3637	warn "unloading/nuking all extensions";
		3638	for my $pkg (@EXTS) {
2562	warn "... unloading $k";	3639	warn "... unloading $pkg";
2563	delete $INC{$k};
2564		3640
2565	$k =~ s/\.pm$//;
2566	$k =~ s/\//::/g;
2567
2568	if (my $cb = $k->can ("unload_module")) {	3641	if (my $cb = $pkg->can ("unload")) {
		3642	eval {
2569	$cb->();	3643	$cb->($pkg);
		3644	1
		3645	} or warn "$pkg unloaded, but with errors: $@";
		3646	}
		3647
		3648	warn "... clearing $pkg";
		3649	clear_package $pkg;
2570	}	3650	}
2571		3651
2572	Symbol::delete_package $k;	3652	warn "unloading all perl modules loaded from $LIBDIR";
		3653	while (my ($k, $v) = each %INC) {
		3654	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3655
		3656	warn "... unloading $k";
		3657	delete $INC{$k};
		3658
		3659	$k =~ s/\.pm$//;
		3660	$k =~ s/\//::/g;
		3661
		3662	if (my $cb = $k->can ("unload_module")) {
		3663	$cb->();
		3664	}
		3665
		3666	clear_package $k;
2573	}	3667	}
2574		3668
2575	warn "getting rid of safe::, as good as possible";	3669	warn "getting rid of safe::, as good as possible";
2576	Symbol::delete_package "safe::$_"	3670	clear_package "safe::$_"
2577	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3671	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2578		3672
2579	warn "unloading cf.pm \"a bit\"";	3673	warn "unloading cf.pm \"a bit\"";
2580	delete $INC{"cf.pm"};	3674	delete $INC{"cf.pm"};
		3675	delete $INC{"cf/pod.pm"};
2581		3676
2582	# don't, removes xs symbols, too,	3677	# don't, removes xs symbols, too,
2583	# and global variables created in xs	3678	# and global variables created in xs
2584	#Symbol::delete_package __PACKAGE__;	3679	#clear_package __PACKAGE__;
2585		3680
2586	warn "unload completed, starting to reload now";	3681	warn "unload completed, starting to reload now";
2587		3682
2588	warn "reloading cf.pm";	3683	warn "reloading cf.pm";
2589	require cf;	3684	require cf;
2590	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3685	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2591		3686
2592	warn "loading config and database again";	3687	warn "loading config and database again";
2593	cf::cfg_load;	3688	cf::reload_config;
2594		3689
2595	warn "loading extensions";	3690	warn "loading extensions";
2596	cf::load_extensions;	3691	cf::load_extensions;
2597		3692
2598	warn "reattaching attachments to objects/players";	3693	warn "reattaching attachments to objects/players";
2599	_global_reattach; # objects, sockets	3694	_global_reattach; # objects, sockets
2600	warn "reattaching attachments to maps";	3695	warn "reattaching attachments to maps";
2601	reattach $_ for values %MAP;	3696	reattach $_ for values %MAP;
2602	warn "reattaching attachments to players";	3697	warn "reattaching attachments to players";
2603	reattach $_ for values %PLAYER;	3698	reattach $_ for values %PLAYER;
2604		3699
2605	warn "loading reloadable resources";
2606	reload_resources;
2607
2608	warn "leaving sync_job";	3700	warn "leaving sync_job";
2609		3701
2610	1	3702	1
2611	} or do {	3703	} or do {
2612	warn $@;	3704	warn $@;
2613	warn "error while reloading, exiting.";	3705	cf::cleanup "error while reloading, exiting.";
2614	exit 1;	3706	};
		3707
		3708	warn "reloaded";
		3709	--$RELOAD;
		3710	}
		3711	};
		3712
		3713	our $RELOAD_WATCHER; # used only during reload
		3714
		3715	sub reload_perl() {
		3716	# doing reload synchronously and two reloads happen back-to-back,
		3717	# coro crashes during coro_state_free->destroy here.
		3718
		3719	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3720	do_reload_perl;
		3721	undef $RELOAD_WATCHER;
2615	};	3722	};
2616		3723	}
2617	warn "reloaded";
2618	};
2619
2620	our $RELOAD_WATCHER; # used only during reload
2621		3724
2622	register_command "reload" => sub {	3725	register_command "reload" => sub {
2623	my ($who, $arg) = @_;	3726	my ($who, $arg) = @_;
2624		3727
2625	if ($who->flag (FLAG_WIZ)) {	3728	if ($who->flag (FLAG_WIZ)) {
2626	$who->message ("reloading server.");	3729	$who->message ("reloading server.");
2627		3730	async {
2628	# doing reload synchronously and two reloads happen back-to-back,	3731	$Coro::current->{desc} = "perl_reload";
2629	# coro crashes during coro_state_free->destroy here.
2630
2631	$RELOAD_WATCHER ||= Event->timer (
2632	reentrant => 0,
2633	after => 0,
2634	data => WF_AUTOCANCEL,
2635	cb => sub {
2636	reload;	3732	reload_perl;
2637	undef $RELOAD_WATCHER;
2638	},
2639	);	3733	};
2640	}	3734	}
2641	};	3735	};
2642		3736
2643	unshift @INC, $LIBDIR;	3737	unshift @INC, $LIBDIR;
2644		3738
…		…
2646		3740
2647	our @WAIT_FOR_TICK;	3741	our @WAIT_FOR_TICK;
2648	our @WAIT_FOR_TICK_BEGIN;	3742	our @WAIT_FOR_TICK_BEGIN;
2649		3743
2650	sub wait_for_tick {	3744	sub wait_for_tick {
2651	return unless $TICK_WATCHER->is_active;	3745	return if tick_inhibit || $Coro::current == $Coro::main;
		3746
2652	my $signal = new Coro::Signal;	3747	my $signal = new Coro::Signal;
2653	push @WAIT_FOR_TICK, $signal;	3748	push @WAIT_FOR_TICK, $signal;
2654	$signal->wait;	3749	$signal->wait;
2655	}	3750	}
2656		3751
2657	sub wait_for_tick_begin {	3752	sub wait_for_tick_begin {
2658	return unless $TICK_WATCHER->is_active;	3753	return if tick_inhibit || $Coro::current == $Coro::main;
		3754
2659	my $signal = new Coro::Signal;	3755	my $signal = new Coro::Signal;
2660	push @WAIT_FOR_TICK_BEGIN, $signal;	3756	push @WAIT_FOR_TICK_BEGIN, $signal;
2661	$signal->wait;	3757	$signal->wait;
2662	}	3758	}
2663		3759
2664	$TICK_WATCHER = Event->timer (	3760	sub tick {
2665	reentrant => 0,
2666	parked => 1,
2667	prio => 0,
2668	at => $NEXT_TICK || $TICK,
2669	data => WF_AUTOCANCEL,
2670	cb => sub {
2671	if ($Coro::current != $Coro::main) {	3761	if ($Coro::current != $Coro::main) {
2672	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3762	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2673	unless ++$bug_warning > 10;	3763	unless ++$bug_warning > 10;
2674	return;	3764	return;
2675	}	3765	}
2676		3766
2677	$NOW = Event::time;
2678
2679	cf::server_tick; # one server iteration	3767	cf::server_tick; # one server iteration
2680	$RUNTIME += $TICK;
2681	$NEXT_TICK += $TICK;
2682		3768
2683	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3769	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2684	$NEXT_RUNTIME_WRITE = $NOW + 10;	3770	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2685	Coro::async_pool {	3771	Coro::async_pool {
		3772	$Coro::current->{desc} = "runtime saver";
2686	write_runtime	3773	write_runtime_sync
2687	or warn "ERROR: unable to write runtime file: $!";	3774	or warn "ERROR: unable to write runtime file: $!";
2688	};
2689	}	3775	};
		3776	}
2690		3777
2691	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3778	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2692	$sig->send;	3779	$sig->send;
2693	}	3780	}
2694	while (my $sig = shift @WAIT_FOR_TICK) {	3781	while (my $sig = shift @WAIT_FOR_TICK) {
2695	$sig->send;	3782	$sig->send;
2696	}
2697
2698	# my $AFTER = Event::time;
2699	# warn $AFTER - $NOW;#d#
2700
2701	# if we are delayed by four ticks or more, skip them all
2702	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2703
2704	$TICK_WATCHER->at ($NEXT_TICK);
2705	$TICK_WATCHER->start;
2706	},	3783	}
2707	);	3784
		3785	$LOAD = ($NOW - $TICK_START) / $TICK;
		3786	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3787
		3788	if (0) {
		3789	if ($NEXT_TICK) {
		3790	my $jitter = $TICK_START - $NEXT_TICK;
		3791	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3792	warn "jitter $JITTER\n";#d#
		3793	}
		3794	}
		3795	}
2708		3796
2709	{	3797	{
2710	BDB::max_poll_time $TICK * 0.1;	3798	# configure BDB
2711	$BDB_POLL_WATCHER = Event->io (	3799
2712	reentrant => 0,
2713	fd => BDB::poll_fileno,
2714	poll => 'r',
2715	prio => 0,
2716	data => WF_AUTOCANCEL,
2717	cb => \&BDB::poll_cb,
2718	);
2719	BDB::min_parallel 8;	3800	BDB::min_parallel 8;
2720		3801	BDB::max_poll_reqs $TICK * 0.1;
2721	BDB::set_sync_prepare {	3802	$AnyEvent::BDB::WATCHER->priority (1);
2722	my $status;
2723	my $current = $Coro::current;
2724	(
2725	sub {
2726	$status = $!;
2727	$current->ready; undef $current;
2728	},
2729	sub {
2730	Coro::schedule while defined $current;
2731	$! = $status;
2732	},
2733	)
2734	};
2735		3803
2736	unless ($DB_ENV) {	3804	unless ($DB_ENV) {
2737	$DB_ENV = BDB::db_env_create;	3805	$DB_ENV = BDB::db_env_create;
		3806	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3807	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3808	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3809	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3810	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2738		3811
2739	cf::sync_job {	3812	cf::sync_job {
2740	eval {	3813	eval {
2741	BDB::db_env_open	3814	BDB::db_env_open
2742	$DB_ENV,	3815	$DB_ENV,
2743	$BDB_ENV_DIR,	3816	$BDBDIR,
2744	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3817	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2745	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3818	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2746	0666;	3819	0666;
2747		3820
2748	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3821	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2749
2750	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2751	$DB_ENV->set_lk_detect;
2752	};	3822	};
2753		3823
2754	cf::cleanup "db_env_open(db): $@" if $@;	3824	cf::cleanup "db_env_open(db): $@" if $@;
2755	};	3825	};
2756	}	3826	}
		3827
		3828	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3829	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3830	};
		3831	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3832	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3833	};
		3834	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3835	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3836	};
2757	}	3837	}
2758		3838
2759	{	3839	{
		3840	# configure IO::AIO
		3841
2760	IO::AIO::min_parallel 8;	3842	IO::AIO::min_parallel 8;
2761
2762	undef $Coro::AIO::WATCHER;
2763	IO::AIO::max_poll_time $TICK * 0.1;	3843	IO::AIO::max_poll_time $TICK * 0.1;
2764	$AIO_POLL_WATCHER = Event->io (	3844	undef $AnyEvent::AIO::WATCHER;
2765	reentrant => 0,
2766	data => WF_AUTOCANCEL,
2767	fd => IO::AIO::poll_fileno,
2768	poll => 'r',
2769	prio => 6,
2770	cb => \&IO::AIO::poll_cb,
2771	);
2772	}	3845	}
		3846
		3847	my $_log_backtrace;
		3848
		3849	sub _log_backtrace {
		3850	my ($msg, @addr) = @_;
		3851
		3852	$msg =~ s/\n//;
		3853
		3854	# limit the # of concurrent backtraces
		3855	if ($_log_backtrace < 2) {
		3856	++$_log_backtrace;
		3857	my $perl_bt = Carp::longmess $msg;
		3858	async {
		3859	$Coro::current->{desc} = "abt $msg";
		3860
		3861	my @bt = fork_call {
		3862	@addr = map { sprintf "%x", $_ } @addr;
		3863	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3864	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3865	or die "addr2line: $!";
		3866
		3867	my @funcs;
		3868	my @res = <$fh>;
		3869	chomp for @res;
		3870	while (@res) {
		3871	my ($func, $line) = splice @res, 0, 2, ();
		3872	push @funcs, "[$func] $line";
		3873	}
		3874
		3875	@funcs
		3876	};
		3877
		3878	LOG llevInfo, "[ABT] $perl_bt\n";
		3879	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3880	LOG llevInfo, "[ABT] $_\n" for @bt;
		3881	--$_log_backtrace;
		3882	};
		3883	} else {
		3884	LOG llevInfo, "[ABT] $msg\n";
		3885	LOG llevInfo, "[ABT] [suppressed]\n";
		3886	}
		3887	}
		3888
		3889	# load additional modules
		3890	use cf::pod;
2773		3891
2774	END { cf::emergency_save }	3892	END { cf::emergency_save }
2775		3893
2776	1	3894	1
2777		3895

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