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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.201 by root, Mon Jan 29 18:15:23 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;
		31	use EV;
9	use Opcode;	32	use Opcode;
10	use Safe;	33	use Safe;
11	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
12		36
13	use Coro 3.5 ();	37	use Coro ();
		38	use Coro::State;
		39	use Coro::Handle;
		40	use Coro::EV;
14	use Coro::Event;	41	use Coro::AnyEvent;
15	use Coro::Timer;	42	use Coro::Timer;
16	use Coro::Signal;	43	use Coro::Signal;
17	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
18	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
		48	use Coro::Storable;
		49	use Coro::Util ();
19		50
		51	use JSON::XS 2.01 ();
		52	use BDB ();
20	use Data::Dumper;	53	use Data::Dumper;
21	use Digest::MD5;	54	use Digest::MD5;
22	use Fcntl;	55	use Fcntl;
		56	use YAML ();
23	use IO::AIO 2.32 ();	57	use IO::AIO ();
24	use YAML::Syck ();
25	use Time::HiRes;	58	use Time::HiRes;
		59	use Compress::LZF;
		60	use Digest::MD5 ();
26		61
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	62	AnyEvent::detect;
		63
		64	# configure various modules to our taste
		65	#
		66	$Storable::canonical = 1; # reduce rsync transfers
		67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		68
		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	}
28		87
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	88	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		89
36	our %COMMAND = ();	90	our %COMMAND = ();
37	our %COMMAND_TIME = ();	91	our %COMMAND_TIME = ();
38		92
39	our @EXTS = (); # list of extension package names	93	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	94	our %EXTCMD = ();
		95	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	96	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	97	our %EXT_MAP = (); # pluggable maps
43		98
		99	our $RELOAD; # number of reloads so far
44	our @EVENT;	100	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		101
47	our $TICK = MAX_TIME * 1e-6;	102	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	103	our $DATADIR = datadir;
49	our $AIO_POLL_WATCHER;	104	our $LIBDIR = "$DATADIR/ext";
50	our $WRITE_RUNTIME_WATCHER;	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(!)
		119	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	120	our $NEXT_TICK;
52	our $NOW;	121	our $USE_FSYNC = 1; # use fsync to write maps - default off
		122
		123	our $BDB_DEADLOCK_WATCHER;
		124	our $BDB_CHECKPOINT_WATCHER;
		125	our $BDB_TRICKLE_WATCHER;
		126	our $DB_ENV;
53		127
54	our %CFG;	128	our %CFG;
55		129
56	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	131	our $RUNTIME;
		132	our $NOW;
58		133
59	our %PLAYER; # all users	134	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	135	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	136	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		137
67	# 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 ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	139	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		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 $TICK_START; # for load detecting purposes
		145
70	binmode STDOUT;	146	binmode STDOUT;
71	binmode STDERR;	147	binmode STDERR;
72		148
73	# read virtual server time, if available	149	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	150	unless ($RUNTIME || !-e $RUNTIMEFILE) {
75	open my $fh, "<", cf::localdir . "/runtime"	151	open my $fh, "<", $RUNTIMEFILE
76	or die "unable to read runtime file: $!";	152	or die "unable to read $RUNTIMEFILE file: $!";
77	$RUNTIME = <$fh> + 0.;	153	$RUNTIME = <$fh> + 0.;
78	}	154	}
79		155
80	mkdir cf::localdir;	156	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	157	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		158
86	our $EMERGENCY_POSITION;	159	our $EMERGENCY_POSITION;
87		160
88	sub cf::map::normalise;	161	sub cf::map::normalise;
89		162
…		…
100	=item $cf::RUNTIME	173	=item $cf::RUNTIME
101		174
102	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
103	every server tick.	176	every server tick.
104		177
105	=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
106		181
107	The perl library directory, where extensions and cf-specific modules can	182	Various directories - "/etc", read-only install directory, perl-library
108	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.
109		186
110	=item $cf::NOW	187	=item $cf::NOW
111		188
112	The time of the last (current) server tick.	189	The time of the last (current) server tick.
113		190
114	=item $cf::TICK	191	=item $cf::TICK
115		192
116	The interval between server ticks, in seconds.	193	The interval between server ticks, in seconds.
117		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
118	=item %cf::CFG	205	=item %cf::CFG
119		206
120	Configuration for the server, loaded from C</etc/crossfire/config>, or	207	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
121	from wherever your confdir points to.	208	from wherever your confdir points to.
122		209
123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	210	=item cf::wait_for_tick, cf::wait_for_tick_begin
124		211
125	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	212	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
126	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	213	returns directly I<after> the tick processing (and consequently, can only wake one process
127	processing has been done. Call C<< ->wait >> on them to maximise the	214	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
128	window of cpu time available, or simply to synchronise to the server tick.	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.
129		221
130	=back	222	=back
131		223
132	=cut	224	=cut
133		225
134	BEGIN {	226	BEGIN {
135	*CORE::GLOBAL::warn = sub {	227	*CORE::GLOBAL::warn = sub {
136	my $msg = join "", @_;	228	my $msg = join "", @_;
137	utf8::encode $msg;
138		229
139	$msg .= "\n"	230	$msg .= "\n"
140	unless $msg =~ /\n$/;	231	unless $msg =~ /\n$/;
141		232
		233	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		234
142	LOG llevError, $msg;	235	LOG llevError, $msg;
143	};	236	};
144	}	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#?
145		253
146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	254	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	255	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	256	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	257	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150	@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';
151	@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)
152		261
153	# 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
154	# within the Safe compartment.	263	# within the Safe compartment.
155	for my $pkg (qw(	264	for my $pkg (qw(
156	cf::global cf::attachable	265	cf::global cf::attachable
157	cf::object cf::object::player	266	cf::object cf::object::player
158	cf::client cf::player	267	cf::client cf::player
159	cf::arch cf::living	268	cf::arch cf::living
		269	cf::map cf::mapspace
160	cf::map cf::party cf::region	270	cf::party cf::region
161	)) {	271	)) {
162	no strict 'refs';
163	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	272	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
164	}	273	}
165		274
166	$Event::DIED = sub {	275	$EV::DIED = sub {
167	warn "error in event callback: @_";	276	warn "error in event callback: @_";
168	};	277	};
		278
		279	#############################################################################
169		280
170	=head2 UTILITY FUNCTIONS	281	=head2 UTILITY FUNCTIONS
171		282
172	=over 4	283	=over 4
173		284
…		…
192	$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;
193	$d	304	$d
194	} || "[unable to dump $_[0]: '$@']";	305	} || "[unable to dump $_[0]: '$@']";
195	}	306	}
196		307
197	use JSON::Syck (); # TODO# replace by JSON::PC once working
198
199	=item $ref = cf::from_json $json	308	=item $ref = cf::decode_json $json
200		309
201	Converts a JSON string into the corresponding perl data structure.	310	Converts a JSON string into the corresponding perl data structure.
202		311
203	=cut
204
205	sub from_json($) {
206	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207	JSON::Syck::Load $_[0]
208	}
209
210	=item $json = cf::to_json $ref	312	=item $json = cf::encode_json $ref
211		313
212	Converts a perl data structure into its JSON representation.	314	Converts a perl data structure into its JSON representation.
213		315
214	=cut	316	=cut
215		317
216	sub to_json($) {	318	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	319
218	JSON::Syck::Dump $_[0]	320	sub encode_json($) { $json_coder->encode ($_[0]) }
219	}	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	}
268	$WRITE_RUNTIME_WATCHER->start;	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($$) {
		400	my ($interval, $cb) = @_;
		401
		402	my $start = rand List::Util::min 180, $interval;
		403
		404	EV::periodic $start, $interval, 0, $cb
		405	}
		406
		407	=item cf::get_slot $time[, $priority[, $name]]
		408
		409	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		410	This call blocks and returns only when you have at least C<$time> seconds
		411	of cpu time till the next tick. The slot is only valid till the next cede.
		412
		413	The optional C<$name> can be used to identify the job to run. It might be
		414	used for statistical purposes and should identify the same time-class.
		415
		416	Useful for short background jobs.
		417
		418	=cut
		419
		420	our @SLOT_QUEUE;
		421	our $SLOT_QUEUE;
		422
		423	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		424	$SLOT_QUEUE = Coro::async {
		425	$Coro::current->desc ("timeslot manager");
		426
		427	my $signal = new Coro::Signal;
		428
		429	while () {
		430	next_job:
		431	my $avail = cf::till_tick;
		432	if ($avail > 0.01) {
		433	for (0 .. $#SLOT_QUEUE) {
		434	if ($SLOT_QUEUE[$_][0] < $avail) {
		435	my $job = splice @SLOT_QUEUE, $_, 1, ();
		436	$job->[2]->send;
		437	Coro::cede;
		438	goto next_job;
		439	}
		440	}
		441	}
		442
		443	if (@SLOT_QUEUE) {
		444	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		445	push @cf::WAIT_FOR_TICK, $signal;
		446	$signal->wait;
		447	} else {
		448	Coro::schedule;
		449	}
269	};	450	}
270	$WRITE_RUNTIME_WATCHER->stop;	451	};
271	$TICK_WATCHER->stop;	452
272	$guard	453	sub get_slot($;$$) {
		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	$sig->wait;
273	}	465	}
274		466
275	=item cf::async { BLOCK }	467	=item cf::async { BLOCK }
276		468
277	Currently the same as Coro::async_pool, meaning you cannot use	469	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		474
283	BEGIN { *async = \&Coro::async_pool }	475	BEGIN { *async = \&Coro::async_pool }
284		476
285	=item cf::sync_job { BLOCK }	477	=item cf::sync_job { BLOCK }
286		478
287	The design of crossfire+ requires that the main coro ($Coro::main) is	479	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	480	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	481	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		482	acceptable.
290		483
291	If it must be done, put the blocking parts into C<sync_job>. This will run	484	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	485	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	486	server will be frozen during this time, so the block should either finish
294	fast or be very important.	487	fast or be very important.
…		…
297		490
298	sub sync_job(&) {	491	sub sync_job(&) {
299	my ($job) = @_;	492	my ($job) = @_;
300		493
301	if ($Coro::current == $Coro::main) {	494	if ($Coro::current == $Coro::main) {
		495	my $time = EV::time;
		496
302	# this is the main coro, too bad, we have to block	497	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	498	# till the operation succeeds, freezing the server :/
304		499
305	# TODO: use suspend/resume instead	500	LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	501
307	my $freeze_guard = freeze_mainloop;	502	my $freeze_guard = freeze_mainloop;
308		503
309	my $busy = 1;	504	my $busy = 1;
310	my @res;	505	my @res;
311		506
312	(async {	507	(async {
		508	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	509	@res = eval { $job->() };
314	warn $@ if $@;	510	warn $@ if $@;
315	undef $busy;	511	undef $busy;
316	})->prio (Coro::PRIO_MAX);	512	})->prio (Coro::PRIO_MAX);
317		513
318	while ($busy) {	514	while ($busy) {
319	Coro::cede or Event::one_event;	515	if (Coro::nready) {
		516	Coro::cede_notself;
		517	} else {
		518	EV::loop EV::LOOP_ONESHOT;
320	}	519	}
		520	}
		521
		522	my $time = EV::time - $time;
		523
		524	$TICK_START += $time; # do not account sync jobs to server load
321		525
322	wantarray ? @res : $res[0]	526	wantarray ? @res : $res[0]
323	} else {	527	} else {
324	# we are in another coroutine, how wonderful, everything just works	528	# we are in another coroutine, how wonderful, everything just works
325		529
…		…
345	$EXT_CORO{$coro+0} = $coro;	549	$EXT_CORO{$coro+0} = $coro;
346		550
347	$coro	551	$coro
348	}	552	}
349		553
350	sub write_runtime {	554	=item fork_call { }, $args
351	my $runtime = cf::localdir . "/runtime";
352		555
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	556	Executes the given code block with the given arguments in a seperate
354	or return;	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.
355		560
356	my $value = $cf::RUNTIME + 90 + 10;	561	=cut
357	# 10 is the runtime save interval, for a monotonic clock
358	# 60 allows for the watchdog to kill the server.
359		562
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	563	sub fork_call(&@) {
361	and return;	564	my ($cb, @args) = @_;
362		565
363	aio_fsync $fh	566	# we seemingly have to make a local copy of the whole thing,
364	and return;	567	# otherwise perl prematurely frees the stuff :/
		568	# TODO: investigate and fix (likely this will be rather laborious)
365		569
366	close $fh	570	my @res = Coro::Util::fork_eval {
367	or return;	571	reset_signals;
		572	&$cb
		573	}, @args;
368		574
369	aio_rename "$runtime~", $runtime	575	wantarray ? @res : $res[-1]
370	and return;	576	}
371		577
		578	=item $coin = coin_from_name $name
		579
		580	=cut
		581
		582	our %coin_alias = (
		583	"silver" => "silvercoin",
		584	"silvercoin" => "silvercoin",
		585	"silvercoins" => "silvercoin",
		586	"gold" => "goldcoin",
		587	"goldcoin" => "goldcoin",
		588	"goldcoins" => "goldcoin",
		589	"platinum" => "platinacoin",
		590	"platinumcoin" => "platinacoin",
		591	"platinumcoins" => "platinacoin",
		592	"platina" => "platinacoin",
		593	"platinacoin" => "platinacoin",
		594	"platinacoins" => "platinacoin",
		595	"royalty" => "royalty",
		596	"royalties" => "royalty",
		597	);
		598
		599	sub coin_from_name($) {
		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($$) {
		647	my $key = "$_[0]/$_[1]";
		648
		649	cf::sync_job {
		650	BDB::db_get $DB, undef, $key, my $data;
		651
		652	$! ? ()
		653	: $data
372	1	654	}
		655	}
		656
		657	sub db_put($$$) {
		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"
		730	}
		731
		732	=item cf::datalog type => key => value, ...
		733
		734	Log a datalog packet of the given type with the given key-value pairs.
		735
		736	=cut
		737
		738	sub datalog($@) {
		739	my ($type, %kv) = @_;
		740	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
373	}	741	}
374		742
375	=back	743	=back
376		744
377	=cut	745	=cut
378		746
379	#############################################################################	747	#############################################################################
380		748
381	=head2 ATTACHABLE OBJECTS	749	=head2 ATTACHABLE OBJECTS
382		750
383	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
384	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")
385	to it. All such attachable objects support the following methods.	753	to it. All such attachable objects support the following methods.
386		754
387	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>
388	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
389	crossfire+).	757	Deliantra).
390		758
391	=over 4	759	=over 4
392		760
393	=item $attachable->attach ($attachment, key => $value...)	761	=item $attachable->attach ($attachment, key => $value...)
394		762
…		…
438	=item cf::CLASS::attachment $name, ...	806	=item cf::CLASS::attachment $name, ...
439		807
440	Register an attachment by C<$name> through which attachable objects of the	808	Register an attachment by C<$name> through which attachable objects of the
441	given CLASS can refer to this attachment.	809	given CLASS can refer to this attachment.
442		810
443	Some classes such as crossfire maps and objects can specify attachments	811	Some classes such as deliantra maps and objects can specify attachments
444	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.
445		813
446	These calls expect any number of the following handler/hook descriptions:	814	These calls expect any number of the following handler/hook descriptions:
447		815
448	=over 4	816	=over 4
…		…
557	$registry = $CB_TYPE[$object_type] ||= [];	925	$registry = $CB_TYPE[$object_type] ||= [];
558		926
559	} elsif ($type eq "subtype") {	927	} elsif ($type eq "subtype") {
560	defined $object_type or Carp::croak "subtype specified without type";	928	defined $object_type or Carp::croak "subtype specified without type";
561	my $object_subtype = shift @arg;	929	my $object_subtype = shift @arg;
562	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	930	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563		931
564	} elsif ($type eq "package") {	932	} elsif ($type eq "package") {
565	my $pkg = shift @arg;	933	my $pkg = shift @arg;
566		934
567	while (my ($name, $id) = each %cb_id) {	935	while (my ($name, $id) = each %cb_id) {
…		…
596	_attach $registry, $klass, @attach;	964	_attach $registry, $klass, @attach;
597	}	965	}
598		966
599	$obj->{$name} = \%arg;	967	$obj->{$name} = \%arg;
600	} else {	968	} else {
601	warn "object uses attachment '$name' that is not available, postponing.\n";	969	warn "object uses attachment '$name' which is not available, postponing.\n";
602	}	970	}
603		971
604	$obj->{_attachment}{$name} = undef;	972	$obj->{_attachment}{$name} = undef;
605	}	973	}
606		974
…		…
608	if (ref $_[0]) {	976	if (ref $_[0]) {
609	_object_attach @_;	977	_object_attach @_;
610	} else {	978	} else {
611	_attach shift->_attach_registry, @_;	979	_attach shift->_attach_registry, @_;
612	}	980	}
		981	_recalc_want;
613	};	982	};
614		983
615	# all those should be optimised	984	# all those should be optimised
616	sub cf::attachable::detach {	985	sub cf::attachable::detach {
617	my ($obj, $name) = @_;	986	my ($obj, $name) = @_;
…		…
620	delete $obj->{_attachment}{$name};	989	delete $obj->{_attachment}{$name};
621	reattach ($obj);	990	reattach ($obj);
622	} else {	991	} else {
623	Carp::croak "cannot, currently, detach class attachments";	992	Carp::croak "cannot, currently, detach class attachments";
624	}	993	}
		994	_recalc_want;
625	};	995	};
626		996
627	sub cf::attachable::attached {	997	sub cf::attachable::attached {
628	my ($obj, $name) = @_;	998	my ($obj, $name) = @_;
629		999
…		…
644	";	1014	";
645	die if $@;	1015	die if $@;
646	}	1016	}
647		1017
648	our $override;	1018	our $override;
649	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?
650		1020
651	sub override {	1021	sub override {
652	$override = 1;	1022	$override = 1;
653	@invoke_results = ();	1023	@INVOKE_RESULTS = (@_);
654	}	1024	}
655		1025
656	sub do_invoke {	1026	sub do_invoke {
657	my $event = shift;	1027	my $event = shift;
658	my $callbacks = shift;	1028	my $callbacks = shift;
659		1029
660	@invoke_results = ();	1030	@INVOKE_RESULTS = ();
661		1031
662	local $override;	1032	local $override;
663		1033
664	for (@$callbacks) {	1034	for (@$callbacks) {
665	eval { &{$_->[1]} };	1035	eval { &{$_->[1]} };
…		…
674	}	1044	}
675		1045
676	0	1046	0
677	}	1047	}
678		1048
679	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1049	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
680		1050
681	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1051	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
682		1052
683	Generate an object-specific event with the given arguments.	1053	Generate an object-specific event with the given arguments.
684		1054
685	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
686	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
687	results (if you must, access C<@cf::invoke_results> directly).	1057	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
688		1058
689	=back	1059	=back
690		1060
691	=cut	1061	=cut
692		1062
693	#############################################################################	1063	#############################################################################
694	# 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, $ob2
		1106	}
695		1107
696	sub reattach {	1108	sub reattach {
697	# basically do the same as instantiate, without calling instantiate	1109	# basically do the same as instantiate, without calling instantiate
698	my ($obj) = @_;	1110	my ($obj) = @_;
699		1111
		1112	# no longer needed after getting rid of delete_package?
700	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
701		1114
702	my $registry = $obj->registry;	1115	my $registry = $obj->registry;
703		1116
704	@$registry = ();	1117	@$registry = ();
705		1118
…		…
720	cf::attachable->attach (	1133	cf::attachable->attach (
721	prio => -1000000,	1134	prio => -1000000,
722	on_instantiate => sub {	1135	on_instantiate => sub {
723	my ($obj, $data) = @_;	1136	my ($obj, $data) = @_;
724		1137
725	$data = from_json $data;	1138	$data = decode_json $data;
726		1139
727	for (@$data) {	1140	for (@$data) {
728	my ($name, $args) = @$_;	1141	my ($name, $args) = @$_;
729		1142
730	$obj->attach ($name, %{$args || {} });	1143	$obj->attach ($name, %{$args || {} });
…		…
746	sub object_freezer_save {	1159	sub object_freezer_save {
747	my ($filename, $rdata, $objs) = @_;	1160	my ($filename, $rdata, $objs) = @_;
748		1161
749	sync_job {	1162	sync_job {
750	if (length $$rdata) {	1163	if (length $$rdata) {
		1164	utf8::decode (my $decname = $filename);
751	warn sprintf "saving %s (%d,%d)\n",	1165	warn sprintf "saving %s (%d,%d)\n",
752	$filename, length $$rdata, scalar @$objs;	1166	$decname, length $$rdata, scalar @$objs;
753		1167
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1168	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	1169	aio_chmod $fh, SAVE_MODE;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1170	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
757	aio_fsync $fh;	1171	aio_fsync $fh if $cf::USE_FSYNC;
758	close $fh;	1172	aio_close $fh;
759		1173
760	if (@$objs) {	1174	if (@$objs) {
761	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) {
762	chmod SAVE_MODE, $fh;	1176	aio_chmod $fh, SAVE_MODE;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	1177	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	1178	aio_write $fh, 0, (length $data), $data, 0;
765	aio_fsync $fh;	1179	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	1180	aio_close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	1181	aio_rename "$filename.pst~", "$filename.pst";
768	}	1182	}
769	} else {	1183	} else {
770	aio_unlink "$filename.pst";	1184	aio_unlink "$filename.pst";
771	}	1185	}
…		…
776	}	1190	}
777	} else {	1191	} else {
778	aio_unlink $filename;	1192	aio_unlink $filename;
779	aio_unlink "$filename.pst";	1193	aio_unlink "$filename.pst";
780	}	1194	}
781
782	#d##TODO# nuke non .map-files if exist
783	if ($filename =~ s/\.map$//) {
784	aio_unlink $filename;
785	aio_unlink "$filename.pst";
786	}
787	}	1195	};
788	}	1196	}
789		1197
790	sub object_freezer_as_string {	1198	sub object_freezer_as_string {
791	my ($rdata, $objs) = @_;	1199	my ($rdata, $objs) = @_;
792		1200
…		…
797		1205
798	sub object_thawer_load {	1206	sub object_thawer_load {
799	my ($filename) = @_;	1207	my ($filename) = @_;
800		1208
801	my ($data, $av);	1209	my ($data, $av);
802
803	#d#TODO remove .map if file does not exist
804	aio_stat $filename and $filename =~ s/\.map$//;
805		1210
806	(aio_load $filename, $data) >= 0	1211	(aio_load $filename, $data) >= 0
807	or return;	1212	or return;
808		1213
809	unless (aio_stat "$filename.pst") {	1214	unless (aio_stat "$filename.pst") {
810	(aio_load "$filename.pst", $av) >= 0	1215	(aio_load "$filename.pst", $av) >= 0
811	or return;	1216	or return;
		1217
812	$av = eval { (Storable::thaw $av)->{objs} };	1218	my $st = eval { Coro::Storable::thaw $av };
		1219	$av = $st->{objs};
813	}	1220	}
814		1221
		1222	utf8::decode (my $decname = $filename);
815	warn sprintf "loading %s (%d)\n",	1223	warn sprintf "loading %s (%d,%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	1224	$decname, length $data, scalar @{$av || []};
		1225
817	return ($data, $av);	1226	($data, $av)
818	}	1227	}
		1228
		1229	=head2 COMMAND CALLBACKS
		1230
		1231	=over 4
		1232
		1233	=cut
819		1234
820	#############################################################################	1235	#############################################################################
821	# command handling &c	1236	# command handling &c
822		1237
823	=item cf::register_command $name => \&callback($ob,$args);	1238	=item cf::register_command $name => \&callback($ob,$args);
…		…
836	push @{ $COMMAND{$name} }, [$caller, $cb];	1251	push @{ $COMMAND{$name} }, [$caller, $cb];
837	}	1252	}
838		1253
839	=item cf::register_extcmd $name => \&callback($pl,$packet);	1254	=item cf::register_extcmd $name => \&callback($pl,$packet);
840		1255
841	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.
842		1261
843	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
844	called.	1263	called.
845		1264
		1265	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1266
		1267	Register a callback for execution when the client sends an (asynchronous)
		1268	exticmd packet. Exti commands are processed by the server as soon as they
		1269	are received, i.e. out of order w.r.t. other commands. The first argument
		1270	is a client socket. Exti commands can be received anytime, even before
		1271	log-in.
		1272
		1273	If the callback returns something, it is sent back as if reply was being
		1274	called.
		1275
846	=cut	1276	=cut
847		1277
848	sub register_extcmd {	1278	sub register_extcmd {
849	my ($name, $cb) = @_;	1279	my ($name, $cb) = @_;
850		1280
851	$EXTCMD{$name} = $cb;	1281	$EXTCMD{$name} = $cb;
		1282	}
		1283
		1284	sub register_exticmd {
		1285	my ($name, $cb) = @_;
		1286
		1287	$EXTICMD{$name} = $cb;
852	}	1288	}
853		1289
854	cf::player->attach (	1290	cf::player->attach (
855	on_command => sub {	1291	on_command => sub {
856	my ($pl, $name, $params) = @_;	1292	my ($pl, $name, $params) = @_;
…		…
865	cf::override;	1301	cf::override;
866	},	1302	},
867	on_extcmd => sub {	1303	on_extcmd => sub {
868	my ($pl, $buf) = @_;	1304	my ($pl, $buf) = @_;
869		1305
870	my $msg = eval { from_json $buf };	1306	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871		1307
872	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
873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1316	if (my $cb = $EXTCMD{$type}) {
874	if (my %reply = $cb->($pl, $msg)) {	1317	@reply = $cb->($pl, @payload);
875	$pl->ext_reply ($msg->{msgid}, %reply);
876	}
877	}	1318	}
		1319
		1320	$pl->ext_reply ($reply, @reply)
		1321	if $reply;
		1322
878	} else {	1323	} else {
879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1324	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
880	}	1325	}
881		1326
882	cf::override;	1327	cf::override;
883	},	1328	},
884	);	1329	);
885		1330
886	sub load_extension {
887	my ($path) = @_;
888
889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
890	my $base = $1;
891	my $pkg = $1;
892	$pkg =~ s/[^[:word:]]/_/g;
893	$pkg = "ext::$pkg";
894
895	warn "... loading '$path' into '$pkg'\n";
896
897	open my $fh, "<:utf8", $path
898	or die "$path: $!";
899
900	my $source =
901	"package $pkg; use strict; use utf8;\n"
902	. "#line 1 \"$path\"\n{\n"
903	. (do { local $/; <$fh> })
904	. "\n};\n1";
905
906	unless (eval $source) {
907	my $msg = $@ ? "$path: $@\n"
908	: "extension disabled.\n";
909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
910	warn $@;
911	warn "mandatory extension failed to load, exiting.\n";
912	exit 1;
913	}
914	die $@;
915	}
916
917	push @EXTS, $pkg;
918	}
919
920	sub load_extensions {	1331	sub load_extensions {
		1332	cf::sync_job {
		1333	my %todo;
		1334
921	for my $ext (<$LIBDIR/*.ext>) {	1335	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1336	next unless -r $path;
923	eval {	1337
924	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	$progress = 1;
925	1	1394	}
926	} or warn "$ext not loaded: $@";	1395
		1396	skip:
		1397	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1398	unless $progress;
		1399	}
927	}	1400	};
928	}	1401	}
929		1402
930	#############################################################################	1403	#############################################################################
931		1404
		1405	=back
		1406
932	=head2 CORE EXTENSIONS	1407	=head2 CORE EXTENSIONS
933		1408
934	Functions and methods that extend core crossfire objects.	1409	Functions and methods that extend core deliantra objects.
935		1410
936	=cut	1411	=cut
937		1412
938	package cf::player;	1413	package cf::player;
939		1414
…		…
941		1416
942	=head3 cf::player	1417	=head3 cf::player
943		1418
944	=over 4	1419	=over 4
945		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
946	=item cf::player::find $login	1435	=item cf::player::find $login
947		1436
948	Returns the given player object, loading it if necessary (might block).	1437	Returns the given player object, loading it if necessary (might block).
949		1438
950	=cut	1439	=cut
951		1440
952	sub playerdir($) {	1441	sub playerdir($) {
953	cf::localdir	1442	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1443	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1444	}
959		1445
960	sub path($) {	1446	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1447	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1448
963	(playerdir $login) . "/$login.pl"	1449	(playerdir $login) . "/playerdata"
964	}	1450	}
965		1451
966	sub find_active($) {	1452	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1453	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1454	and $cf::PLAYER{$_[0]}->active
…		…
981	my $login = $_[0];	1467	my $login = $_[0];
982		1468
983	my $guard = cf::lock_acquire "user_find:$login";	1469	my $guard = cf::lock_acquire "user_find:$login";
984		1470
985	$cf::PLAYER{$_[0]} || do {	1471	$cf::PLAYER{$_[0]} || do {
986	my $pl = load_pl path $login	1472	# rename old playerfiles to new ones
		1473	#TODO: remove when no longer required
		1474	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1475	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1476	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1477	aio_unlink +(playerdir $login) . "/$login.pl";
		1478
		1479	my $f = new_from_file cf::object::thawer path $login
987	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;
988	$cf::PLAYER{$login} = $pl	1487	$cf::PLAYER{$login} = $pl
989	}	1488	}
990	}	1489	}
991	}	1490	}
992		1491
…		…
1001	return if $pl->{deny_save};	1500	return if $pl->{deny_save};
1002		1501
1003	aio_mkdir playerdir $pl, 0770;	1502	aio_mkdir playerdir $pl, 0770;
1004	$pl->{last_save} = $cf::RUNTIME;	1503	$pl->{last_save} = $cf::RUNTIME;
1005		1504
		1505	cf::get_slot 0.01;
		1506
1006	$pl->save_pl ($path);	1507	$pl->save_pl ($path);
1007	Coro::cede;	1508	cf::cede_to_tick;
1008	}	1509	}
1009		1510
1010	sub new($) {	1511	sub new($) {
1011	my ($login) = @_;	1512	my ($login) = @_;
1012		1513
…		…
1018	$cf::PLAYER{$login} = $self;	1519	$cf::PLAYER{$login} = $self;
1019		1520
1020	$self	1521	$self
1021	}	1522	}
1022		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
1023	=item $pl->quit_character	1534	=item $pl->quit_character
1024		1535
1025	Nukes the player without looking back. If logged in, the connection will	1536	Nukes the player without looking back. If logged in, the connection will
1026	be destroyed. May block for a long time.	1537	be destroyed. May block for a long time.
1027		1538
1028	=cut	1539	=cut
1029		1540
1030	sub quit_character {	1541	sub quit_character {
1031	my ($pl) = @_;	1542	my ($pl) = @_;
1032		1543
		1544	my $name = $pl->ob->name;
		1545
1033	$pl->{deny_save} = 1;	1546	$pl->{deny_save} = 1;
1034	$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
1035		1548
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1549	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1037	$pl->deactivate;	1550	$pl->deactivate;
		1551	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1552	$pl->ob->check_score;
1038	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1553	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1039	$pl->ns->destroy if $pl->ns;	1554	$pl->ns->destroy if $pl->ns;
1040		1555
1041	my $path = playerdir $pl;	1556	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1557	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1558	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1559	delete $cf::PLAYER{$pl->ob->name};
1045	$pl->destroy;	1560	$pl->destroy;
		1561
		1562	my $prefix = qr<^~\Q$name\E/>;
		1563
		1564	# nuke player maps
		1565	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1566
1046	IO::AIO::aio_rmtree $temp;	1567	IO::AIO::aio_rmtree $temp;
		1568	}
		1569
		1570	=item $pl->kick
		1571
		1572	Kicks a player out of the game. This destroys the connection.
		1573
		1574	=cut
		1575
		1576	sub kick {
		1577	my ($pl, $kicker) = @_;
		1578
		1579	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1580	$pl->killer ("kicked");
		1581	$pl->ns->destroy;
1047	}	1582	}
1048		1583
1049	=item cf::player::list_logins	1584	=item cf::player::list_logins
1050		1585
1051	Returns am arrayref of all valid playernames in the system, can take a	1586	Returns am arrayref of all valid playernames in the system, can take a
1052	while and may block, so not sync_job-capable, ever.	1587	while and may block, so not sync_job-capable, ever.
1053		1588
1054	=cut	1589	=cut
1055		1590
1056	sub list_logins {	1591	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1592	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1593	or return [];
1059		1594
1060	my @logins;	1595	my @logins;
1061		1596
1062	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") {
1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1603	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1064	aio_read $fh, 0, 512, my $buf, 0 or next;	1604	aio_read $fh, 0, 512, my $buf, 0 or next;
1065	$buf !~ /^password -------------$/m or next; # official not-valid tag	1605	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1606	}
1066		1607
1067	utf8::decode $login;	1608	utf8::decode $login;
1068	push @logins, $login;	1609	push @logins, $login;
1069	}	1610	}
1070		1611
…		…
1097	}	1638	}
1098		1639
1099	\@paths	1640	\@paths
1100	}	1641	}
1101		1642
		1643	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1644
		1645	Expand deliantra pod fragments into protocol xml.
		1646
1102	=item $player->ext_reply ($msgid, $msgtype, %msg)	1647	=item $player->ext_reply ($msgid, @msg)
1103		1648
1104	Sends an ext reply to the player.	1649	Sends an ext reply to the player.
1105		1650
1106	=cut	1651	=cut
1107		1652
1108	sub ext_reply($$$%) {	1653	sub ext_reply($$@) {
1109	my ($self, $id, %msg) = @_;	1654	my ($self, $id, @msg) = @_;
1110		1655
1111	$msg{msgid} = $id;	1656	$self->ns->ext_reply ($id, @msg)
1112
1113	$self->send ("ext " . cf::to_json \%msg);
1114	}	1657	}
1115		1658
1116	package cf;	1659	=item $player->ext_msg ($type, @msg)
		1660
		1661	Sends an ext event to the client.
		1662
		1663	=cut
		1664
		1665	sub ext_msg($$@) {
		1666	my ($self, $type, @msg) = @_;
		1667
		1668	$self->ns->ext_msg ($type, @msg);
		1669	}
		1670
		1671	=head3 cf::region
		1672
		1673	=over 4
		1674
		1675	=cut
		1676
		1677	package cf::region;
		1678
		1679	=item cf::region::find_by_path $path
		1680
		1681	Tries to decuce the likely region for a map knowing only its path.
		1682
		1683	=cut
		1684
		1685	sub find_by_path($) {
		1686	my ($path) = @_;
		1687
		1688	my ($match, $specificity);
		1689
		1690	for my $region (list) {
		1691	if ($region->{match} && $path =~ $region->{match}) {
		1692	($match, $specificity) = ($region, $region->specificity)
		1693	if $region->specificity > $specificity;
		1694	}
		1695	}
		1696
		1697	$match
		1698	}
1117		1699
1118	=back	1700	=back
1119
1120		1701
1121	=head3 cf::map	1702	=head3 cf::map
1122		1703
1123	=over 4	1704	=over 4
1124		1705
…		…
1136	our $MAX_RESET = 3600;	1717	our $MAX_RESET = 3600;
1137	our $DEFAULT_RESET = 3000;	1718	our $DEFAULT_RESET = 3000;
1138		1719
1139	sub generate_random_map {	1720	sub generate_random_map {
1140	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
1141	# mit "rum" bekleckern, nicht	1725	# mit "rum" bekleckern, nicht
1142	$self->_create_random_map (	1726	$self->_create_random_map (
1143	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1727	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1144	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1728	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1145	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1729	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1179	my ($self, $merge) = @_;	1763	my ($self, $merge) = @_;
1180		1764
1181	# we have to keep some variables in memory intact	1765	# we have to keep some variables in memory intact
1182	local $self->{path};	1766	local $self->{path};
1183	local $self->{load_path};	1767	local $self->{load_path};
1184	local $self->{deny_save};
1185	local $self->{deny_reset};
1186		1768
1187	$self->SUPER::thawer_merge ($merge);	1769	$self->SUPER::thawer_merge ($merge);
1188	}	1770	}
1189		1771
1190	sub normalise {	1772	sub normalise {
…		…
1237	$self->init; # pass $1 etc.	1819	$self->init; # pass $1 etc.
1238	return $self;	1820	return $self;
1239	}	1821	}
1240	}	1822	}
1241		1823
1242	Carp::carp "unable to resolve path '$path' (base '$base').";	1824	Carp::cluck "unable to resolve path '$path' (base '$base').";
1243	()	1825	()
1244	}	1826	}
1245		1827
1246	sub init {	1828	sub init {
1247	my ($self) = @_;	1829	my ($self) = @_;
…		…
1262		1844
1263	# the original (read-only) location	1845	# the original (read-only) location
1264	sub load_path {	1846	sub load_path {
1265	my ($self) = @_;	1847	my ($self) = @_;
1266		1848
1267	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1849	"$MAPDIR/$self->{path}.map"
1268	}	1850	}
1269		1851
1270	# the temporary/swap location	1852	# the temporary/swap location
1271	sub save_path {	1853	sub save_path {
1272	my ($self) = @_;	1854	my ($self) = @_;
1273		1855
1274	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1856	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1275	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1857	"$TMPDIR/$path.map"
1276	}	1858	}
1277		1859
1278	# the unique path, undef == no special unique path	1860	# the unique path, undef == no special unique path
1279	sub uniq_path {	1861	sub uniq_path {
1280	my ($self) = @_;	1862	my ($self) = @_;
1281		1863
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1864	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1283	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1865	"$UNIQUEDIR/$path"
1284	}	1866	}
1285		1867
1286	# and all this just because we cannot iterate over	1868	# and all this just because we cannot iterate over
1287	# all maps in C++...	1869	# all maps in C++...
1288	sub change_all_map_light {	1870	sub change_all_map_light {
…		…
1290		1872
1291	$_->change_map_light ($change)	1873	$_->change_map_light ($change)
1292	for grep $_->outdoor, values %cf::MAP;	1874	for grep $_->outdoor, values %cf::MAP;
1293	}	1875	}
1294		1876
		1877	sub decay_objects {
		1878	my ($self) = @_;
		1879
		1880	return if $self->{deny_reset};
		1881
		1882	$self->do_decay_objects;
		1883	}
		1884
1295	sub unlink_save {	1885	sub unlink_save {
1296	my ($self) = @_;	1886	my ($self) = @_;
1297		1887
1298	utf8::encode (my $save = $self->save_path);	1888	utf8::encode (my $save = $self->save_path);
1299	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1889	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1300	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1890	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1301
1302	#d#TODO remove .map and also nuke
1303	$save =~ s/\.map// or return;#d#
1304	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1305	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1306	}	1891	}
1307		1892
1308	sub load_header_from($) {	1893	sub load_header_from($) {
1309	my ($self, $path) = @_;	1894	my ($self, $path) = @_;
1310		1895
1311	utf8::encode $path;	1896	utf8::encode $path;
1312	#aio_open $path, O_RDONLY, 0	1897	my $f = new_from_file cf::object::thawer $path
1313	# or return;
1314
1315	$self->_load_header ($path)
1316	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;
1317		1905
1318	$self->{load_path} = $path;	1906	$self->{load_path} = $path;
1319		1907
1320	1	1908	1
1321	}	1909	}
…		…
1360	$self->load_header_orig	1948	$self->load_header_orig
1361	or return;	1949	or return;
1362	$self->prepare_orig;	1950	$self->prepare_orig;
1363	}	1951	}
1364		1952
		1953	$self->{deny_reset} = 1
		1954	if $self->no_reset;
		1955
		1956	$self->default_region (cf::region::find_by_path $self->{path})
		1957	unless $self->default_region;
		1958
1365	1	1959	1
1366	}	1960	}
1367		1961
1368	sub find;	1962	sub find;
1369	sub find {	1963	sub find {
1370	my ($path, $origin) = @_;	1964	my ($path, $origin) = @_;
1371		1965
1372	$path = normalise $path, $origin && $origin->path;	1966	$path = normalise $path, $origin && $origin->path;
1373		1967
		1968	cf::lock_wait "map_data:$path";#d#remove
1374	cf::lock_wait "map_find:$path";	1969	cf::lock_wait "map_find:$path";
1375		1970
1376	$cf::MAP{$path} || do {	1971	$cf::MAP{$path} || do {
		1972	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1377	my $guard = cf::lock_acquire "map_find:$path";	1973	my $guard2 = cf::lock_acquire "map_find:$path";
		1974
1378	my $map = new_from_path cf::map $path	1975	my $map = new_from_path cf::map $path
1379	or return;	1976	or return;
1380		1977
1381	$map->{last_save} = $cf::RUNTIME;	1978	$map->{last_save} = $cf::RUNTIME;
1382		1979
1383	$map->load_header	1980	$map->load_header
1384	or return;	1981	or return;
1385		1982
1386	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1983	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1387	# doing this can freeze the server in a sync job, obviously	1984	# doing this can freeze the server in a sync job, obviously
1388	#$cf::WAIT_FOR_TICK->wait;	1985	#$cf::WAIT_FOR_TICK->wait;
		1986	undef $guard2;
		1987	undef $guard1;
1389	$map->reset;	1988	$map->reset;
1390	undef $guard;
1391	return find $path;	1989	return find $path;
1392	}	1990	}
1393		1991
1394	$cf::MAP{$path} = $map	1992	$cf::MAP{$path} = $map
1395	}	1993	}
…		…
1402	my ($self) = @_;	2000	my ($self) = @_;
1403		2001
1404	local $self->{deny_reset} = 1; # loading can take a long time	2002	local $self->{deny_reset} = 1; # loading can take a long time
1405		2003
1406	my $path = $self->{path};	2004	my $path = $self->{path};
		2005
		2006	{
1407	my $guard = cf::lock_acquire "map_load:$path";	2007	my $guard = cf::lock_acquire "map_data:$path";
1408		2008
		2009	return unless $self->valid;
1409	return if $self->in_memory != cf::MAP_SWAPPED;	2010	return unless $self->in_memory == cf::MAP_SWAPPED;
1410		2011
1411	$self->in_memory (cf::MAP_LOADING);	2012	$self->in_memory (cf::MAP_LOADING);
1412		2013
1413	$self->alloc;	2014	$self->alloc;
1414		2015
1415	$self->pre_load;	2016	$self->pre_load;
		2017	cf::cede_to_tick;
1416		2018
1417	$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)
1418	or return;	2022	or return;
1419		2023
1420	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2024	$self->post_load_original
1421	if delete $self->{load_original};	2025	if delete $self->{load_original};
1422		2026
1423	if (my $uniq = $self->uniq_path) {	2027	if (my $uniq = $self->uniq_path) {
1424	utf8::encode $uniq;	2028	utf8::encode $uniq;
1425	if (aio_open $uniq, O_RDONLY, 0) {	2029	unless (aio_stat $uniq) {
		2030	if (my $f = new_from_file cf::object::thawer $uniq) {
1426	$self->clear_unique_items;	2031	$self->clear_unique_items;
1427	$self->_load_objects ($uniq, 0);	2032	$self->_load_objects ($f);
		2033	$f->resolve_delayed_derefs;
		2034	}
1428	}	2035	}
1429	}	2036	}
1430		2037
1431	Coro::cede;	2038	$f->resolve_delayed_derefs;
1432		2039
		2040	cf::cede_to_tick;
1433	# now do the right thing for maps	2041	# now do the right thing for maps
1434	$self->link_multipart_objects;	2042	$self->link_multipart_objects;
1435
1436	unless ($self->{deny_activate}) {
1437	$self->decay_objects;
1438	$self->fix_auto_apply;
1439	$self->update_buttons;
1440	Coro::cede;
1441	$self->set_darkness_map;
1442	$self->difficulty ($self->estimate_difficulty)	2043	$self->difficulty ($self->estimate_difficulty)
1443	unless $self->difficulty;	2044	unless $self->difficulty;
1444	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;
1445	$self->activate;	2054	$self->activate;
		2055	}
		2056
		2057	$self->{last_save} = $cf::RUNTIME;
		2058	$self->last_access ($cf::RUNTIME);
		2059
		2060	$self->in_memory (cf::MAP_ACTIVE);
1446	}	2061	}
1447		2062
1448	$self->post_load;	2063	$self->post_load;
1449
1450	$self->in_memory (cf::MAP_IN_MEMORY);
1451	}	2064	}
1452		2065
1453	sub customise_for {	2066	sub customise_for {
1454	my ($self, $ob) = @_;	2067	my ($self, $ob) = @_;
1455		2068
1456	return find "~" . $ob->name . "/" . $self->{path}	2069	return find "~" . $ob->name . "/" . $self->{path}
1457	if $self->per_player;	2070	if $self->per_player;
1458		2071
		2072	# return find "?party/" . $ob->name . "/" . $self->{path}
		2073	# if $self->per_party;
		2074
1459	$self	2075	$self
1460	}	2076	}
1461		2077
1462	# 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
1463	sub load_diag {	2079	sub load_neighbours {
1464	my ($map) = @_;	2080	my ($map) = @_;
1465		2081
1466	my @diag; # diagonal neighbours	2082	my @neigh; # diagonal neighbours
1467		2083
1468	for (0 .. 3) {	2084	for (0 .. 3) {
1469	my $neigh = $map->tile_path ($_)	2085	my $neigh = $map->tile_path ($_)
1470	or next;	2086	or next;
1471	$neigh = find $neigh, $map	2087	$neigh = find $neigh, $map
1472	or next;	2088	or next;
1473	$neigh->load;	2089	$neigh->load;
1474		2090
		2091	push @neigh,
1475	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2092	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1476	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2093	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1477	}	2094	}
1478		2095
1479	for (@diag) {	2096	for (grep defined $_->[0], @neigh) {
		2097	my ($path, $origin) = @$_;
1480	my $neigh = find @$_	2098	my $neigh = find $path, $origin
1481	or next;	2099	or next;
1482	$neigh->load;	2100	$neigh->load;
1483	}	2101	}
1484	}	2102	}
1485		2103
…		…
1490	}	2108	}
1491		2109
1492	sub do_load_sync {	2110	sub do_load_sync {
1493	my ($map) = @_;	2111	my ($map) = @_;
1494		2112
		2113	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2114	if $Coro::current == $Coro::main;
		2115
1495	cf::sync_job { $map->load };	2116	cf::sync_job { $map->load };
1496	}	2117	}
1497		2118
1498	our %MAP_PREFETCH;	2119	our %MAP_PREFETCH;
1499	our $MAP_PREFETCHER = undef;	2120	our $MAP_PREFETCHER = undef;
1500		2121
1501	sub find_async {	2122	sub find_async {
1502	my ($path, $origin) = @_;	2123	my ($path, $origin, $load) = @_;
1503		2124
1504	$path = normalise $path, $origin && $origin->{path};	2125	$path = normalise $path, $origin && $origin->{path};
1505		2126
1506	if (my $map = $cf::MAP{$path}) {	2127	if (my $map = $cf::MAP{$path}) {
1507	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2128	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1508	}	2129	}
1509		2130
1510	undef $MAP_PREFETCH{$path};	2131	$MAP_PREFETCH{$path} |= $load;
		2132
1511	$MAP_PREFETCHER ||= cf::async {	2133	$MAP_PREFETCHER ||= cf::async {
		2134	$Coro::current->{desc} = "map prefetcher";
		2135
1512	while (%MAP_PREFETCH) {	2136	while (%MAP_PREFETCH) {
1513	for my $path (keys %MAP_PREFETCH) {	2137	while (my ($k, $v) = each %MAP_PREFETCH) {
1514	my $map = find $path	2138	if (my $map = find $k) {
1515	or next;
1516	$map->load;	2139	$map->load if $v;
		2140	}
1517		2141
1518	delete $MAP_PREFETCH{$path};	2142	delete $MAP_PREFETCH{$k};
1519	}	2143	}
1520	}	2144	}
1521	undef $MAP_PREFETCHER;	2145	undef $MAP_PREFETCHER;
1522	};	2146	};
1523	$MAP_PREFETCHER->prio (6);	2147	$MAP_PREFETCHER->prio (6);
…		…
1526	}	2150	}
1527		2151
1528	sub save {	2152	sub save {
1529	my ($self) = @_;	2153	my ($self) = @_;
1530		2154
1531	my $lock = cf::lock_acquire "map_data:" . $self->path;	2155	my $lock = cf::lock_acquire "map_data:$self->{path}";
1532		2156
1533	$self->{last_save} = $cf::RUNTIME;	2157	$self->{last_save} = $cf::RUNTIME;
1534		2158
1535	return unless $self->dirty;	2159	return unless $self->dirty;
1536		2160
…		…
1542	return if $self->{deny_save};	2166	return if $self->{deny_save};
1543		2167
1544	local $self->{last_access} = $self->last_access;#d#	2168	local $self->{last_access} = $self->last_access;#d#
1545		2169
1546	cf::async {	2170	cf::async {
		2171	$Coro::current->{desc} = "map player save";
1547	$_->contr->save for $self->players;	2172	$_->contr->save for $self->players;
1548	};	2173	};
		2174
		2175	cf::get_slot 0.02;
1549		2176
1550	if ($uniq) {	2177	if ($uniq) {
1551	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2178	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1552	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2179	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1553	} else {	2180	} else {
…		…
1559	my ($self) = @_;	2186	my ($self) = @_;
1560		2187
1561	# save first because save cedes	2188	# save first because save cedes
1562	$self->save;	2189	$self->save;
1563		2190
1564	my $lock = cf::lock_acquire "map_data:" . $self->path;	2191	my $lock = cf::lock_acquire "map_data:$self->{path}";
1565		2192
1566	return if $self->players;	2193	return if $self->players;
1567	return if $self->in_memory != cf::MAP_IN_MEMORY;	2194	return if $self->in_memory != cf::MAP_ACTIVE;
1568	return if $self->{deny_save};	2195	return if $self->{deny_save};
1569		2196
		2197	$self->in_memory (cf::MAP_SWAPPED);
		2198
		2199	$self->deactivate;
		2200	$_->clear_links_to ($self) for values %cf::MAP;
1570	$self->clear;	2201	$self->clear;
1571	$self->in_memory (cf::MAP_SWAPPED);
1572	}	2202	}
1573		2203
1574	sub reset_at {	2204	sub reset_at {
1575	my ($self) = @_;	2205	my ($self) = @_;
1576		2206
1577	# TODO: safety, remove and allow resettable per-player maps	2207	# TODO: safety, remove and allow resettable per-player maps
1578	return 1e99 if $self->isa ("ext::map_per_player");#d#
1579	return 1e99 if $self->{deny_reset};	2208	return 1e99 if $self->{deny_reset};
1580		2209
1581	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2210	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1582	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;
1583		2212
…		…
1594	my ($self) = @_;	2223	my ($self) = @_;
1595		2224
1596	my $lock = cf::lock_acquire "map_data:$self->{path}";	2225	my $lock = cf::lock_acquire "map_data:$self->{path}";
1597		2226
1598	return if $self->players;	2227	return if $self->players;
1599	return if $self->isa ("ext::map_per_player");#d#
1600		2228
1601	warn "resetting map ", $self->path;#d#	2229	warn "resetting map ", $self->path;
		2230
		2231	$self->in_memory (cf::MAP_SWAPPED);
		2232
		2233	# need to save uniques path
		2234	unless ($self->{deny_save}) {
		2235	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2236
		2237	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2238	if $uniq;
		2239	}
1602		2240
1603	delete $cf::MAP{$self->path};	2241	delete $cf::MAP{$self->path};
1604		2242
1605	$self->in_memory (cf::MAP_SWAPPED);	2243	$self->deactivate;
		2244	$_->clear_links_to ($self) for values %cf::MAP;
1606	$self->clear;	2245	$self->clear;
1607
1608	$_->clear_links_to ($self) for values %cf::MAP;
1609		2246
1610	$self->unlink_save;	2247	$self->unlink_save;
1611	$self->destroy;	2248	$self->destroy;
1612	}	2249	}
1613		2250
1614	my $nuke_counter = "aaaa";	2251	my $nuke_counter = "aaaa";
1615		2252
1616	sub nuke {	2253	sub nuke {
1617	my ($self) = @_;	2254	my ($self) = @_;
1618		2255
		2256	{
		2257	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2258
1619	delete $cf::MAP{$self->path};	2259	delete $cf::MAP{$self->path};
1620		2260
1621	$self->unlink_save;	2261	$self->unlink_save;
1622		2262
1623	bless $self, "cf::map";	2263	bless $self, "cf::map";
1624	delete $self->{deny_reset};	2264	delete $self->{deny_reset};
1625	$self->{deny_save} = 1;	2265	$self->{deny_save} = 1;
1626	$self->reset_timeout (1);	2266	$self->reset_timeout (1);
1627	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2267	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1628		2268
1629	$cf::MAP{$self->path} = $self;	2269	$cf::MAP{$self->path} = $self;
		2270	}
1630		2271
1631	$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	]
1632	}	2309	}
1633		2310
1634	=item cf::map::unique_maps	2311	=item cf::map::unique_maps
1635		2312
1636	Returns an arrayref of paths of all shared maps that have	2313	Returns an arrayref of paths of all shared maps that have
1637	instantiated unique items. May block.	2314	instantiated unique items. May block.
1638		2315
1639	=cut	2316	=cut
1640		2317
1641	sub unique_maps() {	2318	sub unique_maps() {
1642	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2319	[
1643	or return;	2320	map {
1644
1645	my @paths;
1646
1647	for (@$files) {
1648	utf8::decode $_;	2321	utf8::decode $_;
1649	next if /\.pst$/;	2322	s/\.map$//; # TODO future compatibility hack
1650	next unless /^$PATH_SEP/o;	2323	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1651		2324	? ()
1652	push @paths, cf::map::normalise $_;	2325	: normalise $_
		2326	} @{ aio_readdir $UNIQUEDIR or [] }
1653	}	2327	]
1654
1655	\@paths
1656	}	2328	}
1657
1658	package cf;
1659		2329
1660	=back	2330	=back
1661		2331
1662	=head3 cf::object	2332	=head3 cf::object
1663		2333
…		…
1667		2337
1668	=over 4	2338	=over 4
1669		2339
1670	=item $ob->inv_recursive	2340	=item $ob->inv_recursive
1671		2341
1672	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.
1673		2344
1674	=cut	2345	=cut
1675		2346
1676	sub inv_recursive_;	2347	sub inv_recursive_;
1677	sub inv_recursive_ {	2348	sub inv_recursive_ {
…		…
1680		2351
1681	sub inv_recursive {	2352	sub inv_recursive {
1682	inv_recursive_ inv $_[0]	2353	inv_recursive_ inv $_[0]
1683	}	2354	}
1684		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
1685	package cf;	2384	package cf;
1686		2385
1687	=back	2386	=back
1688		2387
1689	=head3 cf::object::player	2388	=head3 cf::object::player
…		…
1695	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>
1696	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
1697	dialogue with the given NPC character.	2396	dialogue with the given NPC character.
1698		2397
1699	=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	};
1700		2413
1701	# rough implementation of a future "reply" method that works	2414	# rough implementation of a future "reply" method that works
1702	# with dialog boxes.	2415	# with dialog boxes.
1703	#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
1704	sub cf::object::player::reply($$$;$) {	2417	sub cf::object::player::reply($$$;$) {
…		…
1706		2419
1707	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2420	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1708		2421
1709	if ($self->{record_replies}) {	2422	if ($self->{record_replies}) {
1710	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2423	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2424
1711	} 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 {
1712	$msg = $npc->name . " says: $msg" if $npc;	2433	$msg = $npc->name . " says: $msg" if $npc;
1713	$self->message ($msg, $flags);	2434	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2435	}
1714	}	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 (@_);
1715	}	2447	}
1716		2448
1717	=item $player_object->may ("access")	2449	=item $player_object->may ("access")
1718		2450
1719	Returns wether the given player is authorized to access resource "access"	2451	Returns wether the given player is authorized to access resource "access"
…		…
1732		2464
1733	=item $player_object->enter_link	2465	=item $player_object->enter_link
1734		2466
1735	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}>).
1736		2468
1737	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.
1738	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.
1739		2473
1740	Will never block.	2474	Will never block.
1741		2475
1742	=item $player_object->leave_link ($map, $x, $y)	2476	=item $player_object->leave_link ($map, $x, $y)
1743		2477
…		…
1766	$self->deactivate_recursive;	2500	$self->deactivate_recursive;
1767		2501
1768	return if UNIVERSAL::isa $self->map, "ext::map_link";	2502	return if UNIVERSAL::isa $self->map, "ext::map_link";
1769		2503
1770	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2504	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1771	if $self->map;	2505	if $self->map && $self->map->{path} ne "{link}";
1772		2506
1773	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2507	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1774	}	2508	}
1775		2509
1776	sub cf::object::player::leave_link {	2510	sub cf::object::player::leave_link {
1777	my ($self, $map, $x, $y) = @_;	2511	my ($self, $map, $x, $y) = @_;
		2512
		2513	return unless $self->contr->active;
1778		2514
1779	my $link_pos = delete $self->{_link_pos};	2515	my $link_pos = delete $self->{_link_pos};
1780		2516
1781	unless ($map) {	2517	unless ($map) {
1782	# restore original map position	2518	# restore original map position
…		…
1796	# use -1 or undef as default coordinates, not 0, 0	2532	# use -1 or undef as default coordinates, not 0, 0
1797	($x, $y) = ($map->enter_x, $map->enter_y)	2533	($x, $y) = ($map->enter_x, $map->enter_y)
1798	if $x <=0 && $y <= 0;	2534	if $x <=0 && $y <= 0;
1799		2535
1800	$map->load;	2536	$map->load;
1801	$map->load_diag;	2537	$map->load_neighbours;
1802		2538
1803	return unless $self->contr->active;	2539	return unless $self->contr->active;
		2540	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1804	$self->activate_recursive;	2541	$self->activate_recursive;
		2542
		2543	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1805	$self->enter_map ($map, $x, $y);	2544	$self->enter_map ($map, $x, $y);
1806	}	2545	}
1807		2546
1808	cf::player->attach (	2547	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1809	on_logout => sub {
1810	my ($pl) = @_;
1811		2548
1812	# abort map switching before logout	2549	Moves the player to the given map-path and coordinates by first freezing
1813	if ($pl->ob->{_link_pos}) {	2550	her, loading and preparing them map, calling the provided $check callback
1814	cf::sync_job {	2551	that has to return the map if sucecssful, and then unfreezes the player on
1815	$pl->ob->leave_link	2552	the new (success) or old (failed) map position. In either case, $done will
1816	};	2553	be called at the end of this process.
1817	}
1818	},
1819	on_login => sub {
1820	my ($pl) = @_;
1821		2554
1822	# try to abort aborted map switching on player login :)	2555	Note that $check will be called with a potentially non-loaded map, so if
1823	# should happen only on crashes	2556	it needs a loaded map it has to call C<< ->load >>.
1824	if ($pl->ob->{_link_pos}) {
1825	$pl->ob->enter_link;
1826	(async {
1827	# we need this sleep as the login has a concurrent enter_exit running
1828	# and this sleep increases chances of the player not ending up in scorn
1829	$pl->ob->reply (undef,
1830	"There was an internal problem at your last logout, "
1831	. "the server will try to bring you to your intended destination in a second.",
1832	cf::NDI_RED);
1833	Coro::Timer::sleep 1;
1834	$pl->ob->leave_link;
1835	})->prio (2);
1836	}
1837	},
1838	);
1839		2557
1840	=item $player_object->goto ($path, $x, $y)
1841
1842	=cut	2558	=cut
		2559
		2560	our $GOTOGEN;
1843		2561
1844	sub cf::object::player::goto {	2562	sub cf::object::player::goto {
1845	my ($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;
1846		2567
1847	$self->enter_link;	2568	$self->enter_link;
1848		2569
1849	(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
1850	my $map = eval {	2592	my $map = eval {
1851	my $map = cf::map::find $path;	2593	my $map = defined $path ? cf::map::find $path : undef;
		2594
		2595	if ($map) {
1852	$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
1853	$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 $@;
1854	} or	2608	}
1855	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1856		2609
		2610	if ($gen == $self->{_goto_generation}) {
		2611	delete $self->{_goto_generation};
1857	$self->leave_link ($map, $x, $y);	2612	$self->leave_link ($map, $x, $y);
		2613	}
		2614
		2615	$done->() if $done;
1858	})->prio (1);	2616	})->prio (1);
1859	}	2617	}
1860		2618
1861	=item $player_object->enter_exit ($exit_object)	2619	=item $player_object->enter_exit ($exit_object)
1862		2620
…		…
1882	}	2640	}
1883		2641
1884	sub prepare_random_map {	2642	sub prepare_random_map {
1885	my ($exit) = @_;	2643	my ($exit) = @_;
1886		2644
1887	my $guard = cf::lock_acquire "exit_prepare:$exit";
1888
1889	# all this does is basically replace the /! path by	2645	# all this does is basically replace the /! path by
1890	# a new random map path (?random/...) with a seed	2646	# a new random map path (?random/...) with a seed
1891	# that depends on the exit object	2647	# that depends on the exit object
1892		2648
1893	my $rmp = parse_random_map_params $exit->msg;	2649	my $rmp = parse_random_map_params $exit->msg;
…		…
1895	if ($exit->map) {	2651	if ($exit->map) {
1896	$rmp->{region} = $exit->region->name;	2652	$rmp->{region} = $exit->region->name;
1897	$rmp->{origin_map} = $exit->map->path;	2653	$rmp->{origin_map} = $exit->map->path;
1898	$rmp->{origin_x} = $exit->x;	2654	$rmp->{origin_x} = $exit->x;
1899	$rmp->{origin_y} = $exit->y;	2655	$rmp->{origin_y} = $exit->y;
		2656
		2657	$exit->map->touch;
1900	}	2658	}
1901		2659
1902	$rmp->{random_seed} ||= $exit->random_seed;	2660	$rmp->{random_seed} ||= $exit->random_seed;
1903		2661
1904	my $data = cf::to_json $rmp;	2662	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1905	my $md5 = Digest::MD5::md5_hex $data;	2663	my $md5 = Digest::MD5::md5_hex $data;
1906	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2664	my $meta = "$RANDOMDIR/$md5.meta";
1907		2665
1908	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2666	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1909	aio_write $fh, 0, (length $data), $data, 0;	2667	aio_write $fh, 0, (length $data), $data, 0;
1910	undef $fh;	2668	undef $fh;
1911	aio_rename "$meta~", $meta;	2669	aio_rename "$meta~", $meta;
1912		2670
		2671	my $slaying = "?random/$md5";
		2672
		2673	if ($exit->valid) {
1913	$exit->slaying ("?random/$md5");	2674	$exit->slaying ("?random/$md5");
1914	$exit->msg (undef);	2675	$exit->msg (undef);
		2676	}
1915	}	2677	}
1916	}	2678	}
1917		2679
1918	sub cf::object::player::enter_exit {	2680	sub cf::object::player::enter_exit {
1919	my ($self, $exit) = @_;	2681	my ($self, $exit) = @_;
1920		2682
1921	return unless $self->type == cf::PLAYER;	2683	return unless $self->type == cf::PLAYER;
1922		2684
1923	if ($exit->slaying eq "/!") {
1924	#TODO: this should de-fi-ni-te-ly not be a sync-job
1925	cf::sync_job { prepare_random_map $exit };
1926	}
1927
1928	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1929	my $hp = $exit->stats->hp;
1930	my $sp = $exit->stats->sp;
1931
1932	$self->enter_link;	2685	$self->enter_link;
1933		2686
1934	(async {	2687	(async {
1935	$self->deactivate_recursive; # just to be sure	2688	$Coro::current->{desc} = "enter_exit";
		2689
1936	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
1937	$self->goto ($slaying, $hp, $sp);	2705	$self->goto ($map, $x, $y);
1938		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
1939	1;	2711	1
1940	}) {	2712	}) {
1941	$self->message ("Something went wrong deep within the crossfire server. "	2713	$self->message ("Something went wrong deep within the deliantra server. "
1942	. "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. "
1943	. "Please report this to the dungeon master!",	2715	. "Please report this to the dungeon master!",
1944	cf::NDI_UNIQUE | cf::NDI_RED);	2716	cf::NDI_UNIQUE | cf::NDI_RED);
1945		2717
1946	warn "ERROR in enter_exit: $@";	2718	warn "ERROR in enter_exit: $@";
1947	$self->leave_link;	2719	$self->leave_link;
1948	}	2720	}
1949	})->prio (1);	2721	})->prio (1);
…		…
1962		2734
1963	sub cf::client::send_drawinfo {	2735	sub cf::client::send_drawinfo {
1964	my ($self, $text, $flags) = @_;	2736	my ($self, $text, $flags) = @_;
1965		2737
1966	utf8::encode $text;	2738	utf8::encode $text;
1967	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2739	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1968	}	2740	}
1969		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
		2887	=item $client->ext_msg ($type, @msg)
		2888
		2889	Sends an ext event to the client.
		2890
		2891	=cut
		2892
		2893	sub cf::client::ext_msg($$@) {
		2894	my ($self, $type, @msg) = @_;
		2895
		2896	if ($self->extcmd == 2) {
		2897	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2898	} elsif ($self->extcmd == 1) { # TODO: remove
		2899	push @msg, msgtype => "event_$type";
		2900	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2901	}
		2902	}
		2903
		2904	=item $client->ext_reply ($msgid, @msg)
		2905
		2906	Sends an ext reply to the client.
		2907
		2908	=cut
		2909
		2910	sub cf::client::ext_reply($$@) {
		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	}
		2920	}
1970		2921
1971	=item $success = $client->query ($flags, "text", \&cb)	2922	=item $success = $client->query ($flags, "text", \&cb)
1972		2923
1973	Queues a query to the client, calling the given callback with	2924	Queues a query to the client, calling the given callback with
1974	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>,
1975	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>.
1976		2927
1977	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
1978	reliable at some point in the future.	2929	become reliable at some point in the future.
1979		2930
1980	=cut	2931	=cut
1981		2932
1982	sub cf::client::query {	2933	sub cf::client::query {
1983	my ($self, $flags, $text, $cb) = @_;	2934	my ($self, $flags, $text, $cb) = @_;
…		…
1991	utf8::encode $text;	2942	utf8::encode $text;
1992	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2943	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1993		2944
1994	$self->send_packet ($self->{query_queue}[0][0])	2945	$self->send_packet ($self->{query_queue}[0][0])
1995	if @{ $self->{query_queue} } == 1;	2946	if @{ $self->{query_queue} } == 1;
		2947
		2948	1
1996	}	2949	}
1997		2950
1998	cf::client->attach (	2951	cf::client->attach (
		2952	on_connect => sub {
		2953	my ($ns) = @_;
		2954
		2955	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2956	},
1999	on_reply => sub {	2957	on_reply => sub {
2000	my ($ns, $msg) = @_;	2958	my ($ns, $msg) = @_;
2001		2959
2002	# this weird shuffling is so that direct followup queries	2960	# this weird shuffling is so that direct followup queries
2003	# get handled first	2961	# get handled first
2004	my $queue = delete $ns->{query_queue}	2962	my $queue = delete $ns->{query_queue}
2005	or return; # be conservative, not sure how that can happen, but we saw a crash here	2963	or return; # be conservative, not sure how that can happen, but we saw a crash here
2006		2964
2007	(shift @$queue)->[1]->($msg);	2965	(shift @$queue)->[1]->($msg);
		2966	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
2008		2967
2009	push @{ $ns->{query_queue} }, @$queue;	2968	push @{ $ns->{query_queue} }, @$queue;
2010		2969
2011	if (@{ $ns->{query_queue} } == @$queue) {	2970	if (@{ $ns->{query_queue} } == @$queue) {
2012	if (@$queue) {	2971	if (@$queue) {
…		…
2014	} else {	2973	} else {
2015	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2974	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2016	}	2975	}
2017	}	2976	}
2018	},	2977	},
		2978	on_exticmd => sub {
		2979	my ($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	},
2019	);	3004	);
2020		3005
2021	=item $client->async (\&cb)	3006	=item $client->async (\&cb)
2022		3007
2023	Create a new coroutine, running the specified callback. The coroutine will	3008	Create a new coroutine, running the specified callback. The coroutine will
…		…
2064	our $safe = new Safe "safe";	3049	our $safe = new Safe "safe";
2065	our $safe_hole = new Safe::Hole;	3050	our $safe_hole = new Safe::Hole;
2066		3051
2067	$SIG{FPE} = 'IGNORE';	3052	$SIG{FPE} = 'IGNORE';
2068		3053
2069	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3054	$safe->permit_only (Opcode::opset qw(
		3055	:base_core :base_mem :base_orig :base_math
		3056	grepstart grepwhile mapstart mapwhile
		3057	sort time
		3058	));
2070		3059
2071	# here we export the classes and methods available to script code	3060	# here we export the classes and methods available to script code
2072		3061
2073	=pod	3062	=pod
2074		3063
2075	The following fucntions and emthods are available within a safe environment:	3064	The following functions and methods are available within a safe environment:
2076		3065
2077	cf::object contr pay_amount pay_player map	3066	cf::object
		3067	contr pay_amount pay_player map x y force_find force_add destroy
		3068	insert remove name archname title slaying race decrease split
		3069
2078	cf::object::player player	3070	cf::object::player
2079	cf::player peaceful	3071	player
2080	cf::map trigger	3072
		3073	cf::player
		3074	peaceful
		3075
		3076	cf::map
		3077	trigger
2081		3078
2082	=cut	3079	=cut
2083		3080
2084	for (	3081	for (
2085	["cf::object" => qw(contr pay_amount pay_player map)],	3082	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3083	insert remove inv nrof name archname title slaying race
		3084	decrease split destroy change_exp)],
2086	["cf::object::player" => qw(player)],	3085	["cf::object::player" => qw(player)],
2087	["cf::player" => qw(peaceful)],	3086	["cf::player" => qw(peaceful)],
2088	["cf::map" => qw(trigger)],	3087	["cf::map" => qw(trigger)],
2089	) {	3088	) {
2090	no strict 'refs';	3089	no strict 'refs';
…		…
2161	=back	3160	=back
2162		3161
2163	=cut	3162	=cut
2164		3163
2165	#############################################################################	3164	#############################################################################
		3165	# the server's init and main functions
2166		3166
2167	=head2 EXTENSION DATABASE SUPPORT	3167	sub load_facedata($) {
		3168	my ($path) = @_;
2168		3169
2169	Crossfire maintains a very simple database for extension use. It can	3170	# HACK to clear player env face cache, we need some signal framework
2170	currently store anything that can be serialised using Storable, which	3171	# for this (global event?)
2171	excludes objects.	3172	%ext::player_env::MUSIC_FACE_CACHE = ();
2172		3173
2173	The parameter C<$family> should best start with the name of the extension	3174	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2174	using it, it should be unique.
2175		3175
2176	=over 4	3176	warn "loading facedata from $path\n";
2177		3177
2178	=item $hashref = cf::db_get $family	3178	my $facedata;
		3179	0 < aio_load $path, $facedata
		3180	or die "$path: $!";
2179		3181
2180	Return a hashref for use by the extension C<$family>, which can be	3182	$facedata = Coro::Storable::thaw $facedata;
2181	modified. After modifications, you have to call C<cf::db_dirty> or
2182	C<cf::db_sync>.
2183		3183
2184	=item $value = cf::db_get $family => $key	3184	$facedata->{version} == 2
		3185	or cf::cleanup "$path: version mismatch, cannot proceed.";
2185		3186
2186	Returns a single value from the database	3187	# patch in the exptable
2187		3188	$facedata->{resource}{"res/exp_table"} = {
2188	=item cf::db_put $family => $hashref	3189	type => FT_RSRC,
2189		3190	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2190	Stores the given family hashref into the database. Updates are delayed, if
2191	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2192
2193	=item cf::db_put $family => $key => $value
2194
2195	Stores the given C<$value> in the family hash. Updates are delayed, if you
2196	want the data to be synced to disk immediately, use C<cf::db_sync>.
2197
2198	=item cf::db_dirty
2199
2200	Marks the database as dirty, to be updated at a later time.
2201
2202	=item cf::db_sync
2203
2204	Immediately write the database to disk I<if it is dirty>.
2205
2206	=cut
2207
2208	our $DB;
2209
2210	{
2211	my $path = cf::localdir . "/database.pst";
2212
2213	sub db_load() {
2214	$DB = stat $path ? Storable::retrieve $path : { };
2215	}	3191	};
		3192	cf::cede_to_tick;
2216		3193
2217	my $pid;
2218
2219	sub db_save() {
2220	waitpid $pid, 0 if $pid;
2221	if (0 == ($pid = fork)) {
2222	$DB->{_meta}{version} = 1;
2223	Storable::nstore $DB, "$path~";
2224	rename "$path~", $path;
2225	cf::_exit 0 if defined $pid;
2226	}
2227	}	3194	{
		3195	my $faces = $facedata->{faceinfo};
2228		3196
2229	my $dirty;	3197	while (my ($face, $info) = each %$faces) {
		3198	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2230		3199
2231	sub db_sync() {	3200	cf::face::set_visibility $idx, $info->{visibility};
2232	db_save if $dirty;	3201	cf::face::set_magicmap $idx, $info->{magicmap};
2233	undef $dirty;	3202	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2234	}	3203	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2235		3204
2236	my $idle = Event->idle (	3205	cf::cede_to_tick;
2237	reentrant => 0,
2238	min => 10,
2239	max => 20,
2240	repeat => 0,
2241	data => WF_AUTOCANCEL,
2242	cb => \&db_sync,
2243	);
2244
2245	sub db_dirty() {
2246	$dirty = 1;
2247	$idle->start;
2248	}
2249
2250	sub db_get($;$) {
2251	@_ >= 2
2252	? $DB->{$_[0]}{$_[1]}
2253	: ($DB->{$_[0]} ||= { })
2254	}
2255
2256	sub db_put($$;$) {
2257	if (@_ >= 3) {
2258	$DB->{$_[0]}{$_[1]} = $_[2];
2259	} else {
2260	$DB->{$_[0]} = $_[1];
2261	}
2262	db_dirty;
2263	}
2264
2265	cf::global->attach (
2266	prio => 10000,
2267	on_cleanup => sub {
2268	db_sync;
2269	},	3206	}
2270	);
2271	}
2272		3207
2273	#############################################################################	3208	while (my ($face, $info) = each %$faces) {
2274	# the server's main()	3209	next unless $info->{smooth};
2275		3210
2276	sub cfg_load {	3211	my $idx = cf::face::find $face
		3212	or next;
		3213
		3214	if (my $smooth = cf::face::find $info->{smooth}) {
		3215	cf::face::set_smooth $idx, $smooth;
		3216	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3217	} else {
		3218	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3219	}
		3220
		3221	cf::cede_to_tick;
		3222	}
		3223	}
		3224
		3225	{
		3226	my $anims = $facedata->{animinfo};
		3227
		3228	while (my ($anim, $info) = each %$anims) {
		3229	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3230	cf::cede_to_tick;
		3231	}
		3232
		3233	cf::anim::invalidate_all; # d'oh
		3234	}
		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
		3271	1
		3272	}
		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
		3341	sub reload_resources {
		3342	warn "reloading resource files...\n";
		3343
		3344	reload_facedata;
		3345	reload_archetypes;
		3346	reload_regions;
		3347	reload_treasures;
		3348
		3349	warn "finished reloading resource files\n";
		3350	}
		3351
		3352	sub init {
		3353	my $guard = freeze_mainloop;
		3354
		3355	evthread_start IO::AIO::poll_fileno;
		3356
		3357	reload_resources;
		3358	}
		3359
		3360	sub reload_config {
2277	open my $fh, "<:utf8", cf::confdir . "/config"	3361	open my $fh, "<:utf8", "$CONFDIR/config"
2278	or return;	3362	or return;
2279		3363
2280	local $/;	3364	local $/;
2281	*CFG = YAML::Syck::Load <$fh>;	3365	*CFG = YAML::Load <$fh>;
2282		3366
2283	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3367	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2284		3368
2285	$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};
2286	$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};
…		…
2292	};	3376	};
2293	warn $@ if $@;	3377	warn $@ if $@;
2294	}	3378	}
2295	}	3379	}
2296		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
2297	sub main {	3400	sub main {
		3401	atomic;
		3402
2298	# we must not ever block the main coroutine	3403	# we must not ever block the main coroutine
2299	local $Coro::idle = sub {	3404	local $Coro::idle = sub {
2300	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#
2301	(async {	3406	(async {
2302	Event::one_event;	3407	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3408	EV::loop EV::LOOP_ONESHOT;
2303	})->prio (Coro::PRIO_MAX);	3409	})->prio (Coro::PRIO_MAX);
2304	};	3410	};
2305		3411
2306	cfg_load;	3412	{
2307	db_load;	3413	my $guard = freeze_mainloop;
		3414	reload_config;
		3415	db_init;
2308	load_extensions;	3416	load_extensions;
2309		3417
2310	$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
2311	Event::loop;	3426	EV::loop;
2312	}	3427	}
2313		3428
2314	#############################################################################	3429	#############################################################################
2315	# initialisation and cleanup	3430	# initialisation and cleanup
2316		3431
2317	# install some emergency cleanup handlers	3432	# install some emergency cleanup handlers
2318	BEGIN {	3433	BEGIN {
		3434	our %SIGWATCHER = ();
2319	for my $signal (qw(INT HUP TERM)) {	3435	for my $signal (qw(INT HUP TERM)) {
2320	Event->signal (	3436	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2321	reentrant => 0,
2322	data => WF_AUTOCANCEL,
2323	signal => $signal,
2324	prio => 0,
2325	cb => sub {
2326	cf::cleanup "SIG$signal";	3437	cf::cleanup "SIG$signal";
2327	},
2328	);	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
2329	}	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($$) {
		3515	my ($skip, $sync) = @_;
		3516
		3517	$sync ? write_uuid_sync $skip
		3518	: async { write_uuid_sync $skip };
2330	}	3519	}
2331		3520
2332	sub emergency_save() {	3521	sub emergency_save() {
2333	my $freeze_guard = cf::freeze_mainloop;	3522	my $freeze_guard = cf::freeze_mainloop;
2334		3523
…		…
2340	# and maps saved/destroyed asynchronously.	3529	# and maps saved/destroyed asynchronously.
2341	warn "begin emergency player save\n";	3530	warn "begin emergency player save\n";
2342	for my $login (keys %cf::PLAYER) {	3531	for my $login (keys %cf::PLAYER) {
2343	my $pl = $cf::PLAYER{$login} or next;	3532	my $pl = $cf::PLAYER{$login} or next;
2344	$pl->valid or next;	3533	$pl->valid or next;
		3534	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2345	$pl->save;	3535	$pl->save;
2346	}	3536	}
2347	warn "end emergency player save\n";	3537	warn "end emergency player save\n";
2348		3538
2349	warn "begin emergency map save\n";	3539	warn "begin emergency map save\n";
…		…
2351	my $map = $cf::MAP{$path} or next;	3541	my $map = $cf::MAP{$path} or next;
2352	$map->valid or next;	3542	$map->valid or next;
2353	$map->save;	3543	$map->save;
2354	}	3544	}
2355	warn "end emergency map save\n";	3545	warn "end emergency map save\n";
		3546
		3547	warn "begin emergency database checkpoint\n";
		3548	BDB::db_env_txn_checkpoint $DB_ENV;
		3549	warn "end emergency database checkpoint\n";
		3550
		3551	warn "begin write uuid\n";
		3552	write_uuid_sync 1;
		3553	warn "end write uuid\n";
2356	};	3554	};
2357		3555
2358	warn "leave emergency perl save\n";	3556	warn "leave emergency perl save\n";
2359	}	3557	}
2360		3558
		3559	sub post_cleanup {
		3560	my ($make_core) = @_;
		3561
		3562	warn Carp::longmess "post_cleanup backtrace"
		3563	if $make_core;
		3564
		3565	my $fh = pidfile;
		3566	unlink $PIDFILE if <$fh> == $$;
		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 $RELOAD; # how many times to reload
		3596
2361	sub reload() {	3597	sub do_reload_perl() {
2362	# can/must only be called in main	3598	# can/must only be called in main
2363	if ($Coro::current != $Coro::main) {	3599	if ($Coro::current != $Coro::main) {
2364	warn "can only reload from main coroutine";	3600	warn "can only reload from main coroutine";
2365	return;	3601	return;
2366	}	3602	}
2367		3603
		3604	return if $RELOAD++;
		3605
		3606	while ($RELOAD) {
2368	warn "reloading...";	3607	warn "reloading...";
2369		3608
2370	warn "cancelling server ticker";	3609	warn "entering sync_job";
2371	$TICK_WATCHER->cancel;
2372		3610
		3611	cf::sync_job {
		3612	cf::write_runtime_sync; # external watchdog should not bark
2373	cf::emergency_save;	3613	cf::emergency_save;
		3614	cf::write_runtime_sync; # external watchdog should not bark
2374		3615
2375	eval {	3616	warn "syncing database to disk";
		3617	BDB::db_env_txn_checkpoint $DB_ENV;
		3618
2376	# 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
2377		3620
2378	warn "syncing database to disk";
2379	cf::db_sync;
2380
2381	warn "cancelling all WF_AUTOCANCEL watchers";
2382	for (Event::all_watchers) {
2383	$_->cancel if $_->data & WF_AUTOCANCEL;
2384	}
2385
2386	warn "flushing outstanding aio requests";	3621	warn "flushing outstanding aio requests";
2387	for (;;) {	3622	while (IO::AIO::nreqs || BDB::nreqs) {
2388	IO::AIO::flush;	3623	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2389	Coro::cede;
2390	last unless IO::AIO::nreqs;
2391	warn "iterate...";
2392	}
2393
2394	warn "cancelling all extension coros";
2395	$_->cancel for values %EXT_CORO;
2396	%EXT_CORO = ();
2397
2398	warn "removing commands";
2399	%COMMAND = ();
2400
2401	warn "removing ext commands";
2402	%EXTCMD = ();
2403
2404	warn "unloading/nuking all extensions";
2405	for my $pkg (@EXTS) {
2406	warn "... unloading $pkg";
2407
2408	if (my $cb = $pkg->can ("unload")) {
2409	eval {
2410	$cb->($pkg);
2411	1
2412	} or warn "$pkg unloaded, but with errors: $@";
2413	}	3624	}
2414		3625
2415	warn "... nuking $pkg";	3626	warn "cancelling all extension coros";
2416	Symbol::delete_package $pkg;	3627	$_->cancel for values %EXT_CORO;
2417	}	3628	%EXT_CORO = ();
2418		3629
2419	warn "unloading all perl modules loaded from $LIBDIR";	3630	warn "removing commands";
2420	while (my ($k, $v) = each %INC) {	3631	%COMMAND = ();
2421	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2422		3632
		3633	warn "removing ext/exti commands";
		3634	%EXTCMD = ();
		3635	%EXTICMD = ();
		3636
		3637	warn "unloading/nuking all extensions";
		3638	for my $pkg (@EXTS) {
2423	warn "... unloading $k";	3639	warn "... unloading $pkg";
2424	delete $INC{$k};
2425		3640
2426	$k =~ s/\.pm$//;
2427	$k =~ s/\//::/g;
2428
2429	if (my $cb = $k->can ("unload_module")) {	3641	if (my $cb = $pkg->can ("unload")) {
		3642	eval {
2430	$cb->();	3643	$cb->($pkg);
		3644	1
		3645	} or warn "$pkg unloaded, but with errors: $@";
		3646	}
		3647
		3648	warn "... clearing $pkg";
		3649	clear_package $pkg;
2431	}	3650	}
2432		3651
2433	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 $k;
2434	}	3667	}
2435		3668
2436	warn "getting rid of safe::, as good as possible";	3669	warn "getting rid of safe::, as good as possible";
2437	Symbol::delete_package "safe::$_"	3670	clear_package "safe::$_"
2438	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);
2439		3672
2440	warn "unloading cf.pm \"a bit\"";	3673	warn "unloading cf.pm \"a bit\"";
2441	delete $INC{"cf.pm"};	3674	delete $INC{"cf.pm"};
		3675	delete $INC{"cf/pod.pm"};
2442		3676
2443	# don't, removes xs symbols, too,	3677	# don't, removes xs symbols, too,
2444	# and global variables created in xs	3678	# and global variables created in xs
2445	#Symbol::delete_package __PACKAGE__;	3679	#clear_package __PACKAGE__;
2446		3680
2447	warn "unload completed, starting to reload now";	3681	warn "unload completed, starting to reload now";
2448		3682
2449	warn "reloading cf.pm";	3683	warn "reloading cf.pm";
2450	require cf;	3684	require cf;
2451	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3685	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2452		3686
2453	warn "loading config and database again";	3687	warn "loading config and database again";
2454	cf::cfg_load;	3688	cf::reload_config;
2455	cf::db_load;
2456		3689
2457	warn "loading extensions";	3690	warn "loading extensions";
2458	cf::load_extensions;	3691	cf::load_extensions;
2459		3692
2460	warn "reattaching attachments to objects/players";	3693	warn "reattaching attachments to objects/players";
2461	_global_reattach;	3694	_global_reattach; # objects, sockets
2462	warn "reattaching attachments to maps";	3695	warn "reattaching attachments to maps";
2463	reattach $_ for values %MAP;	3696	reattach $_ for values %MAP;
		3697	warn "reattaching attachments to players";
		3698	reattach $_ for values %PLAYER;
2464		3699
2465	warn "restarting server ticker";	3700	warn "leaving sync_job";
2466		3701
2467	$TICK_WATCHER->start;	3702	1
		3703	} or do {
		3704	warn $@;
		3705	cf::cleanup "error while reloading, exiting.";
		3706	};
		3707
		3708	warn "reloaded";
		3709	--$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 $RELOAD_WATCHER;
2468	};	3722	};
2469		3723	}
2470	if ($@) {
2471	warn $@;
2472	warn "error while reloading, exiting.";
2473	exit 1;
2474	}
2475
2476	warn "reloaded";
2477	};
2478
2479	our $RELOAD_WATCHER; # used only during reload
2480		3724
2481	register_command "reload" => sub {	3725	register_command "reload" => sub {
2482	my ($who, $arg) = @_;	3726	my ($who, $arg) = @_;
2483		3727
2484	if ($who->flag (FLAG_WIZ)) {	3728	if ($who->flag (FLAG_WIZ)) {
2485	$who->message ("reloading server.");	3729	$who->message ("reloading server.");
2486		3730	async {
2487	# doing reload synchronously and two reloads happen back-to-back,	3731	$Coro::current->{desc} = "perl_reload";
2488	# coro crashes during coro_state_free->destroy here.
2489
2490	$RELOAD_WATCHER ||= Event->timer (
2491	reentrant => 0,
2492	after => 0,
2493	data => WF_AUTOCANCEL,
2494	cb => sub {
2495	reload;	3732	reload_perl;
2496	undef $RELOAD_WATCHER;
2497	},
2498	);	3733	};
2499	}	3734	}
2500	};	3735	};
2501		3736
2502	unshift @INC, $LIBDIR;	3737	unshift @INC, $LIBDIR;
2503		3738
2504	my $bug_warning = 0;	3739	my $bug_warning = 0;
2505		3740
2506	$TICK_WATCHER = Event->timer (	3741	our @WAIT_FOR_TICK;
2507	reentrant => 0,	3742	our @WAIT_FOR_TICK_BEGIN;
2508	parked => 1,	3743
2509	prio => 0,	3744	sub wait_for_tick {
2510	at => $NEXT_TICK || $TICK,	3745	return if tick_inhibit || $Coro::current == $Coro::main;
2511	data => WF_AUTOCANCEL,	3746
2512	cb => sub {	3747	my $signal = new Coro::Signal;
		3748	push @WAIT_FOR_TICK, $signal;
		3749	$signal->wait;
		3750	}
		3751
		3752	sub wait_for_tick_begin {
		3753	return if tick_inhibit || $Coro::current == $Coro::main;
		3754
		3755	my $signal = new Coro::Signal;
		3756	push @WAIT_FOR_TICK_BEGIN, $signal;
		3757	$signal->wait;
		3758	}
		3759
		3760	sub tick {
2513	if ($Coro::current != $Coro::main) {	3761	if ($Coro::current != $Coro::main) {
2514	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3762	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2515	unless ++$bug_warning > 10;	3763	unless ++$bug_warning > 10;
2516	return;	3764	return;
2517	}	3765	}
2518		3766
2519	$NOW = Event::time;
2520
2521	cf::server_tick; # one server iteration	3767	cf::server_tick; # one server iteration
2522	$RUNTIME += $TICK;
2523	$NEXT_TICK += $TICK;
2524		3768
2525	$WAIT_FOR_TICK->broadcast;	3769	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2526	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3770	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2527		3771	Coro::async_pool {
2528	Event::sweep;	3772	$Coro::current->{desc} = "runtime saver";
2529	Coro::cede_notself;
2530
2531	# my $AFTER = Event::time;
2532	# warn $AFTER - $NOW;#d#
2533
2534	# if we are delayed by four ticks or more, skip them all
2535	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2536
2537	$TICK_WATCHER->at ($NEXT_TICK);
2538	$TICK_WATCHER->start;
2539	},
2540	);
2541
2542	IO::AIO::max_poll_time $TICK * 0.1;
2543
2544	undef $Coro::AIO::WATCHER;
2545	$AIO_POLL_WATCHER = Event->io (
2546	reentrant => 0,
2547	fd => IO::AIO::poll_fileno,
2548	poll => 'r',
2549	prio => 6,
2550	data => WF_AUTOCANCEL,
2551	cb => \&IO::AIO::poll_cb,
2552	);
2553
2554	$WRITE_RUNTIME_WATCHER = Event->timer (
2555	reentrant => 0,
2556	data => WF_AUTOCANCEL,
2557	after => 1,
2558	interval => 10,
2559	prio => 6, # keep it lowest so it acts like a watchdog
2560	cb => Coro::unblock_sub {
2561	write_runtime	3773	write_runtime_sync
2562	or warn "ERROR: unable to write runtime file: $!";	3774	or warn "ERROR: unable to write runtime file: $!";
		3775	};
2563	},	3776	}
2564	);	3777
		3778	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3779	$sig->send;
		3780	}
		3781	while (my $sig = shift @WAIT_FOR_TICK) {
		3782	$sig->send;
		3783	}
		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	}
		3796
		3797	{
		3798	# configure BDB
		3799
		3800	BDB::min_parallel 8;
		3801	BDB::max_poll_reqs $TICK * 0.1;
		3802	$AnyEvent::BDB::WATCHER->priority (1);
		3803
		3804	unless ($DB_ENV) {
		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);
		3811
		3812	cf::sync_job {
		3813	eval {
		3814	BDB::db_env_open
		3815	$DB_ENV,
		3816	$BDBDIR,
		3817	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3818	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3819	0666;
		3820
		3821	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3822	};
		3823
		3824	cf::cleanup "db_env_open(db): $@" if $@;
		3825	};
		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	};
		3837	}
		3838
		3839	{
		3840	# configure IO::AIO
		3841
		3842	IO::AIO::min_parallel 8;
		3843	IO::AIO::max_poll_time $TICK * 0.1;
		3844	undef $AnyEvent::AIO::WATCHER;
		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;
2565		3891
2566	END { cf::emergency_save }	3892	END { cf::emergency_save }
2567		3893
2568	1	3894	1
2569		3895

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