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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.237 by root, Fri Apr 13 05:08:51 2007 UTC vs.
Revision 1.448 by root, Fri Sep 19 05:30:23 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
9	use Event;	31	use EV;
10	use Opcode;	32	use Opcode;
11	use Safe;	33	use Safe;
12	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
13		36
14	use Coro 3.52 ();	37	use Coro ();
15	use Coro::State;	38	use Coro::State;
		39	use Coro::Handle;
		40	use Coro::EV;
16	use Coro::Event;	41	use Coro::AnyEvent;
17	use Coro::Timer;	42	use Coro::Timer;
18	use Coro::Signal;	43	use Coro::Signal;
19	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
20	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
21	use Coro::Storable;	48	use Coro::Storable;
		49	use Coro::Util ();
22		50
		51	use JSON::XS 2.01 ();
23	use BDB ();	52	use BDB ();
24	use Data::Dumper;	53	use Data::Dumper;
25	use Digest::MD5;	54	use Digest::MD5;
26	use Fcntl;	55	use Fcntl;
27	use YAML::Syck ();	56	use YAML ();
28	use IO::AIO 2.32 ();	57	use IO::AIO ();
29	use Time::HiRes;	58	use Time::HiRes;
30	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
31		63
32	# configure various modules to our taste	64	# configure various modules to our taste
33	#	65	#
34	$Storable::canonical = 1; # reduce rsync transfers	66	$Storable::canonical = 1; # reduce rsync transfers
35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
36	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
37
38	$Event::Eval = 1; # no idea why this is required, but it is
39
40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
41	$YAML::Syck::ImplicitUnicode = 1;
42		68
43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	69	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		70
		71	{
		72	# very ugly, but ensure we acquire the storable lock
		73
		74	sub net_mstore {
		75	my $guard = Coro::Storable::guard;
		76	&Storable::net_mstore
		77	}
		78
		79	sub mretrieve {
		80	my $guard = Coro::Storable::guard;
		81	&Storable::mretrieve
		82	}
		83
		84	Compress::LZF::set_serializer "Coro::Storable", "cf::net_mstore", "cf::mretrieve";
		85	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		86	}
44		87
45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	88	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
46		89
47	our %COMMAND = ();	90	our %COMMAND = ();
48	our %COMMAND_TIME = ();	91	our %COMMAND_TIME = ();
49		92
50	our @EXTS = (); # list of extension package names	93	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	94	our %EXTCMD = ();
		95	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	96	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	97	our %EXT_MAP = (); # pluggable maps
54		98
55	our $RELOAD; # number of reloads so far	99	our $RELOAD; # number of reloads so far
56	our @EVENT;	100	our @EVENT;
57	our $LIBDIR = datadir . "/ext";
58		101
59	our $TICK = MAX_TIME * 1e-6;	102	our $CONFDIR = confdir;
60	our $TICK_WATCHER;	103	our $DATADIR = datadir;
61	our $AIO_POLL_WATCHER;	104	our $LIBDIR = "$DATADIR/ext";
		105	our $PODDIR = "$DATADIR/pod";
		106	our $MAPDIR = "$DATADIR/" . mapdir;
		107	our $LOCALDIR = localdir;
		108	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		109	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		110	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		111	our $RANDOMDIR = "$LOCALDIR/random";
		112	our $BDBDIR = "$LOCALDIR/db";
		113	our $PIDFILE = "$LOCALDIR/pid";
		114	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		115
		116	our %RESOURCE;
		117
		118	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	119	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	120	our $NEXT_TICK;
64	our $NOW;
65	our $USE_FSYNC = 1; # use fsync to write maps - default off	121	our $USE_FSYNC = 1; # use fsync to write maps - default off
66		122
		123	our $BDB_DEADLOCK_WATCHER;
		124	our $BDB_CHECKPOINT_WATCHER;
67	our $BDB_POLL_WATCHER;	125	our $BDB_TRICKLE_WATCHER;
68	our $DB_ENV;	126	our $DB_ENV;
69		127
70	our %CFG;	128	our %CFG;
71		129
72	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
73	our $RUNTIME;	131	our $RUNTIME;
		132	our $NOW;
74		133
75	our %PLAYER; # all users	134	our (%PLAYER, %PLAYER_LOADING); # all users
76	our %MAP; # all maps	135	our (%MAP, %MAP_LOADING ); # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	136	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80
81	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
82	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
83		137
84	# 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 ∕
85	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	139	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
86		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 $TICK_START; # for load detecting purposes
		145
87	binmode STDOUT;	146	binmode STDOUT;
88	binmode STDERR;	147	binmode STDERR;
89		148
90	# read virtual server time, if available	149	# read virtual server time, if available
91	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	150	unless ($RUNTIME || !-e $RUNTIMEFILE) {
92	open my $fh, "<", cf::localdir . "/runtime"	151	open my $fh, "<", $RUNTIMEFILE
93	or die "unable to read runtime file: $!";	152	or die "unable to read $RUNTIMEFILE file: $!";
94	$RUNTIME = <$fh> + 0.;	153	$RUNTIME = <$fh> + 0.;
95	}	154	}
96		155
97	mkdir cf::localdir;	156	mkdir $_
98	mkdir cf::localdir . "/" . cf::playerdir;	157	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
99	mkdir cf::localdir . "/" . cf::tmpdir;
100	mkdir cf::localdir . "/" . cf::uniquedir;
101	mkdir $RANDOM_MAPS;
102	mkdir $BDB_ENV_DIR;
103		158
104	our $EMERGENCY_POSITION;	159	our $EMERGENCY_POSITION;
105		160
106	sub cf::map::normalise;	161	sub cf::map::normalise;
107		162
…		…
118	=item $cf::RUNTIME	173	=item $cf::RUNTIME
119		174
120	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
121	every server tick.	176	every server tick.
122		177
123	=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
124		181
125	The perl library directory, where extensions and cf-specific modules can	182	Various directories - "/etc", read-only install directory, perl-library
126	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.
127		186
128	=item $cf::NOW	187	=item $cf::NOW
129		188
130	The time of the last (current) server tick.	189	The time of the last (current) server tick.
131		190
132	=item $cf::TICK	191	=item $cf::TICK
133		192
134	The interval between server ticks, in seconds.	193	The interval between server ticks, in seconds.
135		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
136	=item %cf::CFG	205	=item %cf::CFG
137		206
138	Configuration for the server, loaded from C</etc/crossfire/config>, or	207	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
139	from wherever your confdir points to.	208	from wherever your confdir points to.
140		209
141	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	210	=item cf::wait_for_tick, cf::wait_for_tick_begin
142		211
143	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
144	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
145	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.
146	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.
147		221
148	=back	222	=back
149		223
150	=cut	224	=cut
151		225
152	BEGIN {	226	BEGIN {
153	*CORE::GLOBAL::warn = sub {	227	*CORE::GLOBAL::warn = sub {
154	my $msg = join "", @_;	228	my $msg = join "", @_;
155	utf8::encode $msg;
156		229
157	$msg .= "\n"	230	$msg .= "\n"
158	unless $msg =~ /\n$/;	231	unless $msg =~ /\n$/;
159		232
		233	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		234
160	LOG llevError, $msg;	235	LOG llevError, $msg;
161	};	236	};
162	}	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#?
163		253
164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	254	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	255	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	256	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	257	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168	@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';
169	@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)
170		261
171	# 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
172	# within the Safe compartment.	263	# within the Safe compartment.
173	for my $pkg (qw(	264	for my $pkg (qw(
174	cf::global cf::attachable	265	cf::global cf::attachable
175	cf::object cf::object::player	266	cf::object cf::object::player
176	cf::client cf::player	267	cf::client cf::player
177	cf::arch cf::living	268	cf::arch cf::living
		269	cf::map cf::mapspace
178	cf::map cf::party cf::region	270	cf::party cf::region
179	)) {	271	)) {
180	no strict 'refs';
181	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	272	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
182	}	273	}
183		274
184	$Event::DIED = sub {	275	$EV::DIED = sub {
185	warn "error in event callback: @_";	276	warn "error in event callback: @_";
186	};	277	};
		278
		279	#############################################################################
187		280
188	=head2 UTILITY FUNCTIONS	281	=head2 UTILITY FUNCTIONS
189		282
190	=over 4	283	=over 4
191		284
…		…
210	$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;
211	$d	304	$d
212	} || "[unable to dump $_[0]: '$@']";	305	} || "[unable to dump $_[0]: '$@']";
213	}	306	}
214		307
215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
216
217	=item $ref = cf::from_json $json	308	=item $ref = cf::decode_json $json
218		309
219	Converts a JSON string into the corresponding perl data structure.	310	Converts a JSON string into the corresponding perl data structure.
220		311
221	=item $json = cf::to_json $ref	312	=item $json = cf::encode_json $ref
222		313
223	Converts a perl data structure into its JSON representation.	314	Converts a perl data structure into its JSON representation.
		315
		316	=cut
		317
		318	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		319
		320	sub encode_json($) { $json_coder->encode ($_[0]) }
		321	sub decode_json($) { $json_coder->decode ($_[0]) }
224		322
225	=item cf::lock_wait $string	323	=item cf::lock_wait $string
226		324
227	Wait until the given lock is available. See cf::lock_acquire.	325	Wait until the given lock is available. See cf::lock_acquire.
228		326
…		…
231	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
232	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,
233	for example when the coroutine gets canceled), the lock is automatically	331	for example when the coroutine gets canceled), the lock is automatically
234	returned.	332	returned.
235		333
		334	Locks are *not* recursive, locking from the same coro twice results in a
		335	deadlocked coro.
		336
236	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
237	uses map_find and cf::map::load uses map_load).	338	uses map_find and cf::map::load uses map_load).
238		339
		340	=item $locked = cf::lock_active $string
		341
		342	Return true if the lock is currently active, i.e. somebody has locked it.
		343
239	=cut	344	=cut
240		345
241	our %LOCK;	346	our %LOCK;
		347	our %LOCKER;#d#
242		348
243	sub lock_wait($) {	349	sub lock_wait($) {
244	my ($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#
245		356
246	# wait for lock, if any	357	# wait for lock, if any
247	while ($LOCK{$key}) {	358	while ($LOCK{$key}) {
248	push @{ $LOCK{$key} }, $Coro::current;	359	push @{ $LOCK{$key} }, $Coro::current;
249	Coro::schedule;	360	Coro::schedule;
…		…
255		366
256	# wait, to be sure we are not locked	367	# wait, to be sure we are not locked
257	lock_wait $key;	368	lock_wait $key;
258		369
259	$LOCK{$key} = [];	370	$LOCK{$key} = [];
		371	$LOCKER{$key} = $Coro::current;#d#
260		372
261	Coro::guard {	373	Coro::guard {
		374	delete $LOCKER{$key};#d#
262	# wake up all waiters, to be on the safe side	375	# wake up all waiters, to be on the safe side
263	$_->ready for @{ delete $LOCK{$key} };	376	$_->ready for @{ delete $LOCK{$key} };
264	}	377	}
265	}	378	}
266		379
		380	sub lock_active($) {
		381	my ($key) = @_;
		382
		383	! ! $LOCK{$key}
		384	}
		385
267	sub freeze_mainloop {	386	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	387	tick_inhibit_inc;
269		388
270	my $guard = Coro::guard {	389	Coro::guard \&tick_inhibit_dec;
271	$TICK_WATCHER->start;	390	}
		391
		392	=item cf::periodic $interval, $cb
		393
		394	Like EV::periodic, but randomly selects a starting point so that the actions
		395	get spread over timer.
		396
		397	=cut
		398
		399	sub periodic($$) {
		400	my ($interval, $cb) = @_;
		401
		402	my $start = rand List::Util::min 180, $interval;
		403
		404	EV::periodic $start, $interval, 0, $cb
		405	}
		406
		407	=item cf::get_slot $time[, $priority[, $name]]
		408
		409	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		410	This call blocks and returns only when you have at least C<$time> seconds
		411	of cpu time till the next tick. The slot is only valid till the next cede.
		412
		413	The optional C<$name> can be used to identify the job to run. It might be
		414	used for statistical purposes and should identify the same time-class.
		415
		416	Useful for short background jobs.
		417
		418	=cut
		419
		420	our @SLOT_QUEUE;
		421	our $SLOT_QUEUE;
		422
		423	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		424	$SLOT_QUEUE = Coro::async {
		425	$Coro::current->desc ("timeslot manager");
		426
		427	my $signal = new Coro::Signal;
		428
		429	while () {
		430	next_job:
		431	my $avail = cf::till_tick;
		432	if ($avail > 0.01) {
		433	for (0 .. $#SLOT_QUEUE) {
		434	if ($SLOT_QUEUE[$_][0] < $avail) {
		435	my $job = splice @SLOT_QUEUE, $_, 1, ();
		436	$job->[2]->send;
		437	Coro::cede;
		438	goto next_job;
		439	}
		440	}
		441	}
		442
		443	if (@SLOT_QUEUE) {
		444	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		445	push @cf::WAIT_FOR_TICK, $signal;
		446	$signal->wait;
		447	} else {
		448	Coro::schedule;
		449	}
272	};	450	}
273	$TICK_WATCHER->stop;	451	};
274	$guard	452
		453	sub get_slot($;$$) {
		454	return if tick_inhibit || $Coro::current == $Coro::main;
		455
		456	my ($time, $pri, $name) = @_;
		457
		458	$time = $TICK * .6 if $time > $TICK * .6;
		459	my $sig = new Coro::Signal;
		460
		461	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		462	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		463	$SLOT_QUEUE->ready;
		464	$sig->wait;
275	}	465	}
276		466
277	=item cf::async { BLOCK }	467	=item cf::async { BLOCK }
278		468
279	Currently the same as Coro::async_pool, meaning you cannot use	469	Currently the same as Coro::async_pool, meaning you cannot use
…		…
284		474
285	BEGIN { *async = \&Coro::async_pool }	475	BEGIN { *async = \&Coro::async_pool }
286		476
287	=item cf::sync_job { BLOCK }	477	=item cf::sync_job { BLOCK }
288		478
289	The design of crossfire+ requires that the main coro ($Coro::main) is	479	The design of Deliantra requires that the main coroutine ($Coro::main)
290	always able to handle events or runnable, as crossfire+ is only partly	480	is always able to handle events or runnable, as Deliantra is only
291	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	481	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		482	acceptable.
292		483
293	If it must be done, put the blocking parts into C<sync_job>. This will run	484	If it must be done, put the blocking parts into C<sync_job>. This will run
294	the given BLOCK in another coroutine while waiting for the result. The	485	the given BLOCK in another coroutine while waiting for the result. The
295	server will be frozen during this time, so the block should either finish	486	server will be frozen during this time, so the block should either finish
296	fast or be very important.	487	fast or be very important.
…		…
299		490
300	sub sync_job(&) {	491	sub sync_job(&) {
301	my ($job) = @_;	492	my ($job) = @_;
302		493
303	if ($Coro::current == $Coro::main) {	494	if ($Coro::current == $Coro::main) {
		495	my $time = EV::time;
		496
304	# this is the main coro, too bad, we have to block	497	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	498	# till the operation succeeds, freezing the server :/
306		499
307	# TODO: use suspend/resume instead	500	LOG llevError, Carp::longmess "sync job";#d#
308	# (but this is cancel-safe)	501
309	my $freeze_guard = freeze_mainloop;	502	my $freeze_guard = freeze_mainloop;
310		503
311	my $busy = 1;	504	my $busy = 1;
312	my @res;	505	my @res;
313		506
314	(async {	507	(async {
		508	$Coro::current->desc ("sync job coro");
315	@res = eval { $job->() };	509	@res = eval { $job->() };
316	warn $@ if $@;	510	warn $@ if $@;
317	undef $busy;	511	undef $busy;
318	})->prio (Coro::PRIO_MAX);	512	})->prio (Coro::PRIO_MAX);
319		513
320	while ($busy) {	514	while ($busy) {
321	Coro::cede or Event::one_event;	515	if (Coro::nready) {
		516	Coro::cede_notself;
		517	} else {
		518	EV::loop EV::LOOP_ONESHOT;
322	}	519	}
		520	}
		521
		522	my $time = EV::time - $time;
		523
		524	$TICK_START += $time; # do not account sync jobs to server load
323		525
324	wantarray ? @res : $res[0]	526	wantarray ? @res : $res[0]
325	} else {	527	} else {
326	# we are in another coroutine, how wonderful, everything just works	528	# we are in another coroutine, how wonderful, everything just works
327		529
…		…
347	$EXT_CORO{$coro+0} = $coro;	549	$EXT_CORO{$coro+0} = $coro;
348		550
349	$coro	551	$coro
350	}	552	}
351		553
352	sub write_runtime {	554	=item fork_call { }, $args
353	my $guard = cf::lock_acquire "write_runtime";
354		555
355	my $runtime = cf::localdir . "/runtime";	556	Executes the given code block with the given arguments in a seperate
		557	process, returning the results. Everything must be serialisable with
		558	Coro::Storable. May, of course, block. Note that the executed sub may
		559	never block itself or use any form of event handling.
356		560
357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	561	=cut
358	or return;
359		562
360	my $value = $cf::RUNTIME + 90 + 10;	563	sub fork_call(&@) {
361	# 10 is the runtime save interval, for a monotonic clock	564	my ($cb, @args) = @_;
362	# 60 allows for the watchdog to kill the server.
363		565
364	(aio_write $fh, 0, (length $value), $value, 0) <= 0	566	# we seemingly have to make a local copy of the whole thing,
365	and return;	567	# otherwise perl prematurely frees the stuff :/
		568	# TODO: investigate and fix (likely this will be rather laborious)
366		569
367	# always fsync - this file is important	570	my @res = Coro::Util::fork_eval {
368	aio_fsync $fh	571	reset_signals;
369	and return;	572	&$cb
		573	}, @args;
370		574
371	close $fh	575	wantarray ? @res : $res[-1]
372	or return;	576	}
373		577
374	aio_rename "$runtime~", $runtime	578	=item $coin = coin_from_name $name
375	and return;
376		579
		580	=cut
		581
		582	our %coin_alias = (
		583	"silver" => "silvercoin",
		584	"silvercoin" => "silvercoin",
		585	"silvercoins" => "silvercoin",
		586	"gold" => "goldcoin",
		587	"goldcoin" => "goldcoin",
		588	"goldcoins" => "goldcoin",
		589	"platinum" => "platinacoin",
		590	"platinumcoin" => "platinacoin",
		591	"platinumcoins" => "platinacoin",
		592	"platina" => "platinacoin",
		593	"platinacoin" => "platinacoin",
		594	"platinacoins" => "platinacoin",
		595	"royalty" => "royalty",
		596	"royalties" => "royalty",
		597	);
		598
		599	sub coin_from_name($) {
		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($$) {
		647	my $key = "$_[0]/$_[1]";
		648
		649	cf::sync_job {
		650	BDB::db_get $DB, undef, $key, my $data;
		651
		652	$! ? ()
		653	: $data
377	1	654	}
		655	}
		656
		657	sub db_put($$$) {
		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"
378	}	730	}
379		731
380	=item cf::datalog type => key => value, ...	732	=item cf::datalog type => key => value, ...
381		733
382	Log a datalog packet of the given type with the given key-value pairs.	734	Log a datalog packet of the given type with the given key-value pairs.
…		…
394		746
395	#############################################################################	747	#############################################################################
396		748
397	=head2 ATTACHABLE OBJECTS	749	=head2 ATTACHABLE OBJECTS
398		750
399	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
400	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")
401	to it. All such attachable objects support the following methods.	753	to it. All such attachable objects support the following methods.
402		754
403	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>
404	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
405	crossfire+).	757	Deliantra).
406		758
407	=over 4	759	=over 4
408		760
409	=item $attachable->attach ($attachment, key => $value...)	761	=item $attachable->attach ($attachment, key => $value...)
410		762
…		…
454	=item cf::CLASS::attachment $name, ...	806	=item cf::CLASS::attachment $name, ...
455		807
456	Register an attachment by C<$name> through which attachable objects of the	808	Register an attachment by C<$name> through which attachable objects of the
457	given CLASS can refer to this attachment.	809	given CLASS can refer to this attachment.
458		810
459	Some classes such as crossfire maps and objects can specify attachments	811	Some classes such as deliantra maps and objects can specify attachments
460	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.
461		813
462	These calls expect any number of the following handler/hook descriptions:	814	These calls expect any number of the following handler/hook descriptions:
463		815
464	=over 4	816	=over 4
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	925	$registry = $CB_TYPE[$object_type] ||= [];
574		926
575	} elsif ($type eq "subtype") {	927	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	928	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	929	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	930	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		931
580	} elsif ($type eq "package") {	932	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	933	my $pkg = shift @arg;
582		934
583	while (my ($name, $id) = each %cb_id) {	935	while (my ($name, $id) = each %cb_id) {
…		…
612	_attach $registry, $klass, @attach;	964	_attach $registry, $klass, @attach;
613	}	965	}
614		966
615	$obj->{$name} = \%arg;	967	$obj->{$name} = \%arg;
616	} else {	968	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	969	warn "object uses attachment '$name' which is not available, postponing.\n";
618	}	970	}
619		971
620	$obj->{_attachment}{$name} = undef;	972	$obj->{_attachment}{$name} = undef;
621	}	973	}
622		974
…		…
624	if (ref $_[0]) {	976	if (ref $_[0]) {
625	_object_attach @_;	977	_object_attach @_;
626	} else {	978	} else {
627	_attach shift->_attach_registry, @_;	979	_attach shift->_attach_registry, @_;
628	}	980	}
		981	_recalc_want;
629	};	982	};
630		983
631	# all those should be optimised	984	# all those should be optimised
632	sub cf::attachable::detach {	985	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	986	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	989	delete $obj->{_attachment}{$name};
637	reattach ($obj);	990	reattach ($obj);
638	} else {	991	} else {
639	Carp::croak "cannot, currently, detach class attachments";	992	Carp::croak "cannot, currently, detach class attachments";
640	}	993	}
		994	_recalc_want;
641	};	995	};
642		996
643	sub cf::attachable::attached {	997	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	998	my ($obj, $name) = @_;
645		999
…		…
660	";	1014	";
661	die if $@;	1015	die if $@;
662	}	1016	}
663		1017
664	our $override;	1018	our $override;
665	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?
666		1020
667	sub override {	1021	sub override {
668	$override = 1;	1022	$override = 1;
669	@invoke_results = ();	1023	@INVOKE_RESULTS = (@_);
670	}	1024	}
671		1025
672	sub do_invoke {	1026	sub do_invoke {
673	my $event = shift;	1027	my $event = shift;
674	my $callbacks = shift;	1028	my $callbacks = shift;
675		1029
676	@invoke_results = ();	1030	@INVOKE_RESULTS = ();
677		1031
678	local $override;	1032	local $override;
679		1033
680	for (@$callbacks) {	1034	for (@$callbacks) {
681	eval { &{$_->[1]} };	1035	eval { &{$_->[1]} };
…		…
690	}	1044	}
691		1045
692	0	1046	0
693	}	1047	}
694		1048
695	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1049	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
696		1050
697	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1051	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
698		1052
699	Generate an object-specific event with the given arguments.	1053	Generate an object-specific event with the given arguments.
700		1054
701	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
702	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
703	results (if you must, access C<@cf::invoke_results> directly).	1057	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704		1058
705	=back	1059	=back
706		1060
707	=cut	1061	=cut
708		1062
709	#############################################################################	1063	#############################################################################
710	# 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, $ob2
		1106	}
711		1107
712	sub reattach {	1108	sub reattach {
713	# basically do the same as instantiate, without calling instantiate	1109	# basically do the same as instantiate, without calling instantiate
714	my ($obj) = @_;	1110	my ($obj) = @_;
715		1111
		1112	# no longer needed after getting rid of delete_package?
716	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
717		1114
718	my $registry = $obj->registry;	1115	my $registry = $obj->registry;
719		1116
720	@$registry = ();	1117	@$registry = ();
721		1118
…		…
736	cf::attachable->attach (	1133	cf::attachable->attach (
737	prio => -1000000,	1134	prio => -1000000,
738	on_instantiate => sub {	1135	on_instantiate => sub {
739	my ($obj, $data) = @_;	1136	my ($obj, $data) = @_;
740		1137
741	$data = from_json $data;	1138	$data = decode_json $data;
742		1139
743	for (@$data) {	1140	for (@$data) {
744	my ($name, $args) = @$_;	1141	my ($name, $args) = @$_;
745		1142
746	$obj->attach ($name, %{$args || {} });	1143	$obj->attach ($name, %{$args || {} });
…		…
762	sub object_freezer_save {	1159	sub object_freezer_save {
763	my ($filename, $rdata, $objs) = @_;	1160	my ($filename, $rdata, $objs) = @_;
764		1161
765	sync_job {	1162	sync_job {
766	if (length $$rdata) {	1163	if (length $$rdata) {
		1164	utf8::decode (my $decname = $filename);
767	warn sprintf "saving %s (%d,%d)\n",	1165	warn sprintf "saving %s (%d,%d)\n",
768	$filename, length $$rdata, scalar @$objs;	1166	$decname, length $$rdata, scalar @$objs;
769		1167
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1168	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1169	aio_chmod $fh, SAVE_MODE;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1170	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1171	aio_fsync $fh if $cf::USE_FSYNC;
774	close $fh;	1172	aio_close $fh;
775		1173
776	if (@$objs) {	1174	if (@$objs) {
777	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) {
778	chmod SAVE_MODE, $fh;	1176	aio_chmod $fh, SAVE_MODE;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	1177	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	1178	aio_write $fh, 0, (length $data), $data, 0;
781	aio_fsync $fh if $cf::USE_FSYNC;	1179	aio_fsync $fh if $cf::USE_FSYNC;
782	close $fh;	1180	aio_close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	1181	aio_rename "$filename.pst~", "$filename.pst";
784	}	1182	}
785	} else {	1183	} else {
786	aio_unlink "$filename.pst";	1184	aio_unlink "$filename.pst";
787	}	1185	}
…		…
792	}	1190	}
793	} else {	1191	} else {
794	aio_unlink $filename;	1192	aio_unlink $filename;
795	aio_unlink "$filename.pst";	1193	aio_unlink "$filename.pst";
796	}	1194	}
797	}	1195	};
798	}	1196	}
799		1197
800	sub object_freezer_as_string {	1198	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	1199	my ($rdata, $objs) = @_;
802		1200
…		…
814	or return;	1212	or return;
815		1213
816	unless (aio_stat "$filename.pst") {	1214	unless (aio_stat "$filename.pst") {
817	(aio_load "$filename.pst", $av) >= 0	1215	(aio_load "$filename.pst", $av) >= 0
818	or return;	1216	or return;
		1217
819	$av = eval { (Storable::thaw $av)->{objs} };	1218	my $st = eval { Coro::Storable::thaw $av };
		1219	$av = $st->{objs};
820	}	1220	}
821		1221
		1222	utf8::decode (my $decname = $filename);
822	warn sprintf "loading %s (%d)\n",	1223	warn sprintf "loading %s (%d,%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1224	$decname, length $data, scalar @{$av || []};
		1225
824	return ($data, $av);	1226	($data, $av)
825	}	1227	}
		1228
		1229	=head2 COMMAND CALLBACKS
		1230
		1231	=over 4
		1232
		1233	=cut
826		1234
827	#############################################################################	1235	#############################################################################
828	# command handling &c	1236	# command handling &c
829		1237
830	=item cf::register_command $name => \&callback($ob,$args);	1238	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1251	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1252	}
845		1253
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1254	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1255
848	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.
849		1261
850	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
851	called.	1263	called.
852		1264
		1265	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1266
		1267	Register a callback for execution when the client sends an (asynchronous)
		1268	exticmd packet. Exti commands are processed by the server as soon as they
		1269	are received, i.e. out of order w.r.t. other commands. The first argument
		1270	is a client socket. Exti commands can be received anytime, even before
		1271	log-in.
		1272
		1273	If the callback returns something, it is sent back as if reply was being
		1274	called.
		1275
853	=cut	1276	=cut
854		1277
855	sub register_extcmd {	1278	sub register_extcmd {
856	my ($name, $cb) = @_;	1279	my ($name, $cb) = @_;
857		1280
858	$EXTCMD{$name} = $cb;	1281	$EXTCMD{$name} = $cb;
		1282	}
		1283
		1284	sub register_exticmd {
		1285	my ($name, $cb) = @_;
		1286
		1287	$EXTICMD{$name} = $cb;
859	}	1288	}
860		1289
861	cf::player->attach (	1290	cf::player->attach (
862	on_command => sub {	1291	on_command => sub {
863	my ($pl, $name, $params) = @_;	1292	my ($pl, $name, $params) = @_;
…		…
872	cf::override;	1301	cf::override;
873	},	1302	},
874	on_extcmd => sub {	1303	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1304	my ($pl, $buf) = @_;
876		1305
877	my $msg = eval { from_json $buf };	1306	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1307
879	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
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1316	if (my $cb = $EXTCMD{$type}) {
881	if (my %reply = $cb->($pl, $msg)) {	1317	@reply = $cb->($pl, @payload);
882	$pl->ext_reply ($msg->{msgid}, %reply);
883	}
884	}	1318	}
		1319
		1320	$pl->ext_reply ($reply, @reply)
		1321	if $reply;
		1322
885	} else {	1323	} else {
886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1324	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887	}	1325	}
888		1326
889	cf::override;	1327	cf::override;
890	},	1328	},
891	);	1329	);
892		1330
893	sub load_extension {
894	my ($path) = @_;
895
896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
897	my $base = $1;
898	my $pkg = $1;
899	$pkg =~ s/[^[:word:]]/_/g;
900	$pkg = "ext::$pkg";
901
902	warn "... loading '$path' into '$pkg'\n";
903
904	open my $fh, "<:utf8", $path
905	or die "$path: $!";
906
907	my $source =
908	"package $pkg; use strict; use utf8;\n"
909	. "#line 1 \"$path\"\n{\n"
910	. (do { local $/; <$fh> })
911	. "\n};\n1";
912
913	unless (eval $source) {
914	my $msg = $@ ? "$path: $@\n"
915	: "extension disabled.\n";
916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
917	warn $@;
918	warn "mandatory extension failed to load, exiting.\n";
919	exit 1;
920	}
921	die $@;
922	}
923
924	push @EXTS, $pkg;
925	}
926
927	sub load_extensions {	1331	sub load_extensions {
		1332	cf::sync_job {
		1333	my %todo;
		1334
928	for my $ext (<$LIBDIR/*.ext>) {	1335	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1336	next unless -r $path;
930	eval {	1337
931	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	$progress = 1;
932	1	1394	}
933	} or warn "$ext not loaded: $@";	1395
		1396	skip:
		1397	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1398	unless $progress;
		1399	}
934	}	1400	};
935	}	1401	}
936		1402
937	#############################################################################	1403	#############################################################################
938		1404
		1405	=back
		1406
939	=head2 CORE EXTENSIONS	1407	=head2 CORE EXTENSIONS
940		1408
941	Functions and methods that extend core crossfire objects.	1409	Functions and methods that extend core deliantra objects.
942		1410
943	=cut	1411	=cut
944		1412
945	package cf::player;	1413	package cf::player;
946		1414
…		…
948		1416
949	=head3 cf::player	1417	=head3 cf::player
950		1418
951	=over 4	1419	=over 4
952		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
953	=item cf::player::find $login	1435	=item cf::player::find $login
954		1436
955	Returns the given player object, loading it if necessary (might block).	1437	Returns the given player object, loading it if necessary (might block).
956		1438
957	=cut	1439	=cut
958		1440
959	sub playerdir($) {	1441	sub playerdir($) {
960	cf::localdir	1442	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1443	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1444	}
966		1445
967	sub path($) {	1446	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1447	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1474	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1475	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1476	aio_unlink +(playerdir $login) . "/$login.pl.pst";
998	aio_unlink +(playerdir $login) . "/$login.pl";	1477	aio_unlink +(playerdir $login) . "/$login.pl";
999		1478
1000	my $pl = load_pl path $login	1479	my $f = new_from_file cf::object::thawer path $login
1001	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;
1002	$cf::PLAYER{$login} = $pl	1487	$cf::PLAYER{$login} = $pl
1003	}	1488	}
1004	}	1489	}
1005	}	1490	}
1006		1491
…		…
1015	return if $pl->{deny_save};	1500	return if $pl->{deny_save};
1016		1501
1017	aio_mkdir playerdir $pl, 0770;	1502	aio_mkdir playerdir $pl, 0770;
1018	$pl->{last_save} = $cf::RUNTIME;	1503	$pl->{last_save} = $cf::RUNTIME;
1019		1504
		1505	cf::get_slot 0.01;
		1506
1020	$pl->save_pl ($path);	1507	$pl->save_pl ($path);
1021	Coro::cede;	1508	cf::cede_to_tick;
1022	}	1509	}
1023		1510
1024	sub new($) {	1511	sub new($) {
1025	my ($login) = @_;	1512	my ($login) = @_;
1026		1513
…		…
1032	$cf::PLAYER{$login} = $self;	1519	$cf::PLAYER{$login} = $self;
1033		1520
1034	$self	1521	$self
1035	}	1522	}
1036		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
1037	=item $pl->quit_character	1534	=item $pl->quit_character
1038		1535
1039	Nukes the player without looking back. If logged in, the connection will	1536	Nukes the player without looking back. If logged in, the connection will
1040	be destroyed. May block for a long time.	1537	be destroyed. May block for a long time.
1041		1538
…		…
1045	my ($pl) = @_;	1542	my ($pl) = @_;
1046		1543
1047	my $name = $pl->ob->name;	1544	my $name = $pl->ob->name;
1048		1545
1049	$pl->{deny_save} = 1;	1546	$pl->{deny_save} = 1;
1050	$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
1051		1548
1052	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1549	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1053	$pl->deactivate;	1550	$pl->deactivate;
		1551	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1552	$pl->ob->check_score;
1054	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1553	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1055	$pl->ns->destroy if $pl->ns;	1554	$pl->ns->destroy if $pl->ns;
1056		1555
1057	my $path = playerdir $pl;	1556	my $path = playerdir $pl;
1058	my $temp = "$path~$cf::RUNTIME~deleting~";	1557	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1088	while and may block, so not sync_job-capable, ever.	1587	while and may block, so not sync_job-capable, ever.
1089		1588
1090	=cut	1589	=cut
1091		1590
1092	sub list_logins {	1591	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1592	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1593	or return [];
1095		1594
1096	my @logins;	1595	my @logins;
1097		1596
1098	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") {
1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1603	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1100	aio_read $fh, 0, 512, my $buf, 0 or next;	1604	aio_read $fh, 0, 512, my $buf, 0 or next;
1101	$buf !~ /^password -------------$/m or next; # official not-valid tag	1605	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1606	}
1102		1607
1103	utf8::decode $login;	1608	utf8::decode $login;
1104	push @logins, $login;	1609	push @logins, $login;
1105	}	1610	}
1106		1611
…		…
1133	}	1638	}
1134		1639
1135	\@paths	1640	\@paths
1136	}	1641	}
1137		1642
		1643	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1644
		1645	Expand deliantra pod fragments into protocol xml.
		1646
1138	=item $player->ext_reply ($msgid, %msg)	1647	=item $player->ext_reply ($msgid, @msg)
1139		1648
1140	Sends an ext reply to the player.	1649	Sends an ext reply to the player.
1141		1650
1142	=cut	1651	=cut
1143		1652
1144	sub ext_reply($$%) {	1653	sub ext_reply($$@) {
1145	my ($self, $id, %msg) = @_;	1654	my ($self, $id, @msg) = @_;
1146		1655
1147	$msg{msgid} = $id;	1656	$self->ns->ext_reply ($id, @msg)
1148
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}	1657	}
1151		1658
1152	=item $player->ext_event ($type, %msg)	1659	=item $player->ext_msg ($type, @msg)
1153		1660
1154	Sends an ext event to the client.	1661	Sends an ext event to the client.
1155		1662
1156	=cut	1663	=cut
1157		1664
1158	sub ext_event($$%) {	1665	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1666	my ($self, $type, @msg) = @_;
1160		1667
1161	$self->ns->ext_event ($type, %msg);	1668	$self->ns->ext_msg ($type, @msg);
1162	}	1669	}
1163		1670
1164	package cf;	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	}
1165		1699
1166	=back	1700	=back
1167
1168		1701
1169	=head3 cf::map	1702	=head3 cf::map
1170		1703
1171	=over 4	1704	=over 4
1172		1705
…		…
1184	our $MAX_RESET = 3600;	1717	our $MAX_RESET = 3600;
1185	our $DEFAULT_RESET = 3000;	1718	our $DEFAULT_RESET = 3000;
1186		1719
1187	sub generate_random_map {	1720	sub generate_random_map {
1188	my ($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
1189	# mit "rum" bekleckern, nicht	1725	# mit "rum" bekleckern, nicht
1190	$self->_create_random_map (	1726	$self->_create_random_map (
1191	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1727	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1192	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1728	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1193	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1729	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1227	my ($self, $merge) = @_;	1763	my ($self, $merge) = @_;
1228		1764
1229	# we have to keep some variables in memory intact	1765	# we have to keep some variables in memory intact
1230	local $self->{path};	1766	local $self->{path};
1231	local $self->{load_path};	1767	local $self->{load_path};
1232	local $self->{deny_save};
1233	local $self->{deny_reset};
1234		1768
1235	$self->SUPER::thawer_merge ($merge);	1769	$self->SUPER::thawer_merge ($merge);
1236	}	1770	}
1237		1771
1238	sub normalise {	1772	sub normalise {
…		…
1285	$self->init; # pass $1 etc.	1819	$self->init; # pass $1 etc.
1286	return $self;	1820	return $self;
1287	}	1821	}
1288	}	1822	}
1289		1823
1290	Carp::carp "unable to resolve path '$path' (base '$base').";	1824	Carp::cluck "unable to resolve path '$path' (base '$base').";
1291	()	1825	()
1292	}	1826	}
1293		1827
1294	sub init {	1828	sub init {
1295	my ($self) = @_;	1829	my ($self) = @_;
…		…
1310		1844
1311	# the original (read-only) location	1845	# the original (read-only) location
1312	sub load_path {	1846	sub load_path {
1313	my ($self) = @_;	1847	my ($self) = @_;
1314		1848
1315	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1849	"$MAPDIR/$self->{path}.map"
1316	}	1850	}
1317		1851
1318	# the temporary/swap location	1852	# the temporary/swap location
1319	sub save_path {	1853	sub save_path {
1320	my ($self) = @_;	1854	my ($self) = @_;
1321		1855
1322	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1856	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1323	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1857	"$TMPDIR/$path.map"
1324	}	1858	}
1325		1859
1326	# the unique path, undef == no special unique path	1860	# the unique path, undef == no special unique path
1327	sub uniq_path {	1861	sub uniq_path {
1328	my ($self) = @_;	1862	my ($self) = @_;
1329		1863
1330	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1864	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1331	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1865	"$UNIQUEDIR/$path"
1332	}	1866	}
1333		1867
1334	# and all this just because we cannot iterate over	1868	# and all this just because we cannot iterate over
1335	# all maps in C++...	1869	# all maps in C++...
1336	sub change_all_map_light {	1870	sub change_all_map_light {
…		…
1338		1872
1339	$_->change_map_light ($change)	1873	$_->change_map_light ($change)
1340	for grep $_->outdoor, values %cf::MAP;	1874	for grep $_->outdoor, values %cf::MAP;
1341	}	1875	}
1342		1876
		1877	sub decay_objects {
		1878	my ($self) = @_;
		1879
		1880	return if $self->{deny_reset};
		1881
		1882	$self->do_decay_objects;
		1883	}
		1884
1343	sub unlink_save {	1885	sub unlink_save {
1344	my ($self) = @_;	1886	my ($self) = @_;
1345		1887
1346	utf8::encode (my $save = $self->save_path);	1888	utf8::encode (my $save = $self->save_path);
1347	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1889	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1350		1892
1351	sub load_header_from($) {	1893	sub load_header_from($) {
1352	my ($self, $path) = @_;	1894	my ($self, $path) = @_;
1353		1895
1354	utf8::encode $path;	1896	utf8::encode $path;
1355	#aio_open $path, O_RDONLY, 0	1897	my $f = new_from_file cf::object::thawer $path
1356	# or return;
1357
1358	$self->_load_header ($path)
1359	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;
1360		1905
1361	$self->{load_path} = $path;	1906	$self->{load_path} = $path;
1362		1907
1363	1	1908	1
1364	}	1909	}
…		…
1403	$self->load_header_orig	1948	$self->load_header_orig
1404	or return;	1949	or return;
1405	$self->prepare_orig;	1950	$self->prepare_orig;
1406	}	1951	}
1407		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 $self->default_region;
		1958
1408	1	1959	1
1409	}	1960	}
1410		1961
1411	sub find;	1962	sub find;
1412	sub find {	1963	sub find {
1413	my ($path, $origin) = @_;	1964	my ($path, $origin) = @_;
1414		1965
1415	$path = normalise $path, $origin && $origin->path;	1966	$path = normalise $path, $origin && $origin->path;
1416		1967
		1968	cf::lock_wait "map_data:$path";#d#remove
1417	cf::lock_wait "map_find:$path";	1969	cf::lock_wait "map_find:$path";
1418		1970
1419	$cf::MAP{$path} || do {	1971	$cf::MAP{$path} || do {
		1972	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1420	my $guard = cf::lock_acquire "map_find:$path";	1973	my $guard2 = cf::lock_acquire "map_find:$path";
		1974
1421	my $map = new_from_path cf::map $path	1975	my $map = new_from_path cf::map $path
1422	or return;	1976	or return;
1423		1977
1424	$map->{last_save} = $cf::RUNTIME;	1978	$map->{last_save} = $cf::RUNTIME;
1425		1979
1426	$map->load_header	1980	$map->load_header
1427	or return;	1981	or return;
1428		1982
1429	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1983	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1430	# doing this can freeze the server in a sync job, obviously	1984	# doing this can freeze the server in a sync job, obviously
1431	#$cf::WAIT_FOR_TICK->wait;	1985	#$cf::WAIT_FOR_TICK->wait;
		1986	undef $guard2;
		1987	undef $guard1;
1432	$map->reset;	1988	$map->reset;
1433	undef $guard;
1434	return find $path;	1989	return find $path;
1435	}	1990	}
1436		1991
1437	$cf::MAP{$path} = $map	1992	$cf::MAP{$path} = $map
1438	}	1993	}
…		…
1445	my ($self) = @_;	2000	my ($self) = @_;
1446		2001
1447	local $self->{deny_reset} = 1; # loading can take a long time	2002	local $self->{deny_reset} = 1; # loading can take a long time
1448		2003
1449	my $path = $self->{path};	2004	my $path = $self->{path};
		2005
		2006	{
1450	my $guard = cf::lock_acquire "map_load:$path";	2007	my $guard = cf::lock_acquire "map_data:$path";
1451		2008
		2009	return unless $self->valid;
1452	return if $self->in_memory != cf::MAP_SWAPPED;	2010	return unless $self->in_memory == cf::MAP_SWAPPED;
1453		2011
1454	$self->in_memory (cf::MAP_LOADING);	2012	$self->in_memory (cf::MAP_LOADING);
1455		2013
1456	$self->alloc;	2014	$self->alloc;
1457		2015
1458	$self->pre_load;	2016	$self->pre_load;
		2017	cf::cede_to_tick;
1459		2018
1460	$self->_load_objects ($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)
1461	or return;	2022	or return;
1462		2023
1463	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2024	$self->post_load_original
1464	if delete $self->{load_original};	2025	if delete $self->{load_original};
1465		2026
1466	if (my $uniq = $self->uniq_path) {	2027	if (my $uniq = $self->uniq_path) {
1467	utf8::encode $uniq;	2028	utf8::encode $uniq;
1468	if (aio_open $uniq, O_RDONLY, 0) {	2029	unless (aio_stat $uniq) {
		2030	if (my $f = new_from_file cf::object::thawer $uniq) {
1469	$self->clear_unique_items;	2031	$self->clear_unique_items;
1470	$self->_load_objects ($uniq, 0);	2032	$self->_load_objects ($f);
		2033	$f->resolve_delayed_derefs;
		2034	}
1471	}	2035	}
1472	}	2036	}
1473		2037
1474	Coro::cede;	2038	$f->resolve_delayed_derefs;
1475		2039
		2040	cf::cede_to_tick;
1476	# now do the right thing for maps	2041	# now do the right thing for maps
1477	$self->link_multipart_objects;	2042	$self->link_multipart_objects;
1478
1479	unless ($self->{deny_activate}) {
1480	$self->decay_objects;
1481	$self->fix_auto_apply;
1482	$self->update_buttons;
1483	Coro::cede;
1484	$self->set_darkness_map;
1485	$self->difficulty ($self->estimate_difficulty)	2043	$self->difficulty ($self->estimate_difficulty)
1486	unless $self->difficulty;	2044	unless $self->difficulty;
1487	Coro::cede;	2045	cf::cede_to_tick;
		2046
		2047	unless ($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;
1488	$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);
1489	}	2061	}
1490		2062
1491	$self->post_load;	2063	$self->post_load;
1492
1493	$self->in_memory (cf::MAP_IN_MEMORY);
1494	}	2064	}
1495		2065
1496	sub customise_for {	2066	sub customise_for {
1497	my ($self, $ob) = @_;	2067	my ($self, $ob) = @_;
1498		2068
1499	return find "~" . $ob->name . "/" . $self->{path}	2069	return find "~" . $ob->name . "/" . $self->{path}
1500	if $self->per_player;	2070	if $self->per_player;
1501		2071
		2072	# return find "?party/" . $ob->name . "/" . $self->{path}
		2073	# if $self->per_party;
		2074
1502	$self	2075	$self
1503	}	2076	}
1504		2077
1505	# find and load all maps in the 3x3 area around a map	2078	# find and load all maps in the 3x3 area around a map
1506	sub load_diag {	2079	sub load_neighbours {
1507	my ($map) = @_;	2080	my ($map) = @_;
1508		2081
1509	my @diag; # diagonal neighbours	2082	my @neigh; # diagonal neighbours
1510		2083
1511	for (0 .. 3) {	2084	for (0 .. 3) {
1512	my $neigh = $map->tile_path ($_)	2085	my $neigh = $map->tile_path ($_)
1513	or next;	2086	or next;
1514	$neigh = find $neigh, $map	2087	$neigh = find $neigh, $map
1515	or next;	2088	or next;
1516	$neigh->load;	2089	$neigh->load;
1517		2090
		2091	push @neigh,
1518	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2092	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1519	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2093	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1520	}	2094	}
1521		2095
1522	for (@diag) {	2096	for (grep defined $_->[0], @neigh) {
		2097	my ($path, $origin) = @$_;
1523	my $neigh = find @$_	2098	my $neigh = find $path, $origin
1524	or next;	2099	or next;
1525	$neigh->load;	2100	$neigh->load;
1526	}	2101	}
1527	}	2102	}
1528		2103
…		…
1533	}	2108	}
1534		2109
1535	sub do_load_sync {	2110	sub do_load_sync {
1536	my ($map) = @_;	2111	my ($map) = @_;
1537		2112
		2113	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2114	if $Coro::current == $Coro::main;
		2115
1538	cf::sync_job { $map->load };	2116	cf::sync_job { $map->load };
1539	}	2117	}
1540		2118
1541	our %MAP_PREFETCH;	2119	our %MAP_PREFETCH;
1542	our $MAP_PREFETCHER = undef;	2120	our $MAP_PREFETCHER = undef;
1543		2121
1544	sub find_async {	2122	sub find_async {
1545	my ($path, $origin) = @_;	2123	my ($path, $origin, $load) = @_;
1546		2124
1547	$path = normalise $path, $origin && $origin->{path};	2125	$path = normalise $path, $origin && $origin->{path};
1548		2126
1549	if (my $map = $cf::MAP{$path}) {	2127	if (my $map = $cf::MAP{$path}) {
1550	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2128	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1551	}	2129	}
1552		2130
1553	undef $MAP_PREFETCH{$path};	2131	$MAP_PREFETCH{$path} |= $load;
		2132
1554	$MAP_PREFETCHER ||= cf::async {	2133	$MAP_PREFETCHER ||= cf::async {
		2134	$Coro::current->{desc} = "map prefetcher";
		2135
1555	while (%MAP_PREFETCH) {	2136	while (%MAP_PREFETCH) {
1556	for my $path (keys %MAP_PREFETCH) {	2137	while (my ($k, $v) = each %MAP_PREFETCH) {
1557	my $map = find $path	2138	if (my $map = find $k) {
1558	or next;
1559	$map->load;	2139	$map->load if $v;
		2140	}
1560		2141
1561	delete $MAP_PREFETCH{$path};	2142	delete $MAP_PREFETCH{$k};
1562	}	2143	}
1563	}	2144	}
1564	undef $MAP_PREFETCHER;	2145	undef $MAP_PREFETCHER;
1565	};	2146	};
1566	$MAP_PREFETCHER->prio (6);	2147	$MAP_PREFETCHER->prio (6);
…		…
1569	}	2150	}
1570		2151
1571	sub save {	2152	sub save {
1572	my ($self) = @_;	2153	my ($self) = @_;
1573		2154
1574	my $lock = cf::lock_acquire "map_data:" . $self->path;	2155	my $lock = cf::lock_acquire "map_data:$self->{path}";
1575		2156
1576	$self->{last_save} = $cf::RUNTIME;	2157	$self->{last_save} = $cf::RUNTIME;
1577		2158
1578	return unless $self->dirty;	2159	return unless $self->dirty;
1579		2160
…		…
1585	return if $self->{deny_save};	2166	return if $self->{deny_save};
1586		2167
1587	local $self->{last_access} = $self->last_access;#d#	2168	local $self->{last_access} = $self->last_access;#d#
1588		2169
1589	cf::async {	2170	cf::async {
		2171	$Coro::current->{desc} = "map player save";
1590	$_->contr->save for $self->players;	2172	$_->contr->save for $self->players;
1591	};	2173	};
		2174
		2175	cf::get_slot 0.02;
1592		2176
1593	if ($uniq) {	2177	if ($uniq) {
1594	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2178	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1595	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2179	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1596	} else {	2180	} else {
…		…
1602	my ($self) = @_;	2186	my ($self) = @_;
1603		2187
1604	# save first because save cedes	2188	# save first because save cedes
1605	$self->save;	2189	$self->save;
1606		2190
1607	my $lock = cf::lock_acquire "map_data:" . $self->path;	2191	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2192
1609	return if $self->players;	2193	return if $self->players;
1610	return if $self->in_memory != cf::MAP_IN_MEMORY;	2194	return if $self->in_memory != cf::MAP_ACTIVE;
1611	return if $self->{deny_save};	2195	return if $self->{deny_save};
1612		2196
		2197	$self->in_memory (cf::MAP_SWAPPED);
		2198
		2199	$self->deactivate;
		2200	$_->clear_links_to ($self) for values %cf::MAP;
1613	$self->clear;	2201	$self->clear;
1614	$self->in_memory (cf::MAP_SWAPPED);
1615	}	2202	}
1616		2203
1617	sub reset_at {	2204	sub reset_at {
1618	my ($self) = @_;	2205	my ($self) = @_;
1619		2206
1620	# TODO: safety, remove and allow resettable per-player maps	2207	# TODO: safety, remove and allow resettable per-player maps
1621	return 1e99 if $self->isa ("ext::map_per_player");#d#
1622	return 1e99 if $self->{deny_reset};	2208	return 1e99 if $self->{deny_reset};
1623		2209
1624	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2210	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1625	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2211	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1626		2212
…		…
1637	my ($self) = @_;	2223	my ($self) = @_;
1638		2224
1639	my $lock = cf::lock_acquire "map_data:$self->{path}";	2225	my $lock = cf::lock_acquire "map_data:$self->{path}";
1640		2226
1641	return if $self->players;	2227	return if $self->players;
1642	return if $self->isa ("ext::map_per_player");#d#
1643		2228
1644	warn "resetting map ", $self->path;#d#	2229	warn "resetting map ", $self->path;
1645		2230
1646	$self->in_memory (cf::MAP_SWAPPED);	2231	$self->in_memory (cf::MAP_SWAPPED);
1647		2232
1648	# need to save uniques path	2233	# need to save uniques path
1649	unless ($self->{deny_save}) {	2234	unless ($self->{deny_save}) {
…		…
1653	if $uniq;	2238	if $uniq;
1654	}	2239	}
1655		2240
1656	delete $cf::MAP{$self->path};	2241	delete $cf::MAP{$self->path};
1657		2242
		2243	$self->deactivate;
		2244	$_->clear_links_to ($self) for values %cf::MAP;
1658	$self->clear;	2245	$self->clear;
1659
1660	$_->clear_links_to ($self) for values %cf::MAP;
1661		2246
1662	$self->unlink_save;	2247	$self->unlink_save;
1663	$self->destroy;	2248	$self->destroy;
1664	}	2249	}
1665		2250
1666	my $nuke_counter = "aaaa";	2251	my $nuke_counter = "aaaa";
1667		2252
1668	sub nuke {	2253	sub nuke {
1669	my ($self) = @_;	2254	my ($self) = @_;
1670		2255
		2256	{
		2257	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2258
1671	delete $cf::MAP{$self->path};	2259	delete $cf::MAP{$self->path};
1672		2260
1673	$self->unlink_save;	2261	$self->unlink_save;
1674		2262
1675	bless $self, "cf::map";	2263	bless $self, "cf::map";
1676	delete $self->{deny_reset};	2264	delete $self->{deny_reset};
1677	$self->{deny_save} = 1;	2265	$self->{deny_save} = 1;
1678	$self->reset_timeout (1);	2266	$self->reset_timeout (1);
1679	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2267	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1680		2268
1681	$cf::MAP{$self->path} = $self;	2269	$cf::MAP{$self->path} = $self;
		2270	}
1682		2271
1683	$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	]
1684	}	2309	}
1685		2310
1686	=item cf::map::unique_maps	2311	=item cf::map::unique_maps
1687		2312
1688	Returns an arrayref of paths of all shared maps that have	2313	Returns an arrayref of paths of all shared maps that have
1689	instantiated unique items. May block.	2314	instantiated unique items. May block.
1690		2315
1691	=cut	2316	=cut
1692		2317
1693	sub unique_maps() {	2318	sub unique_maps() {
1694	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2319	[
1695	or return;	2320	map {
1696
1697	my @paths;
1698
1699	for (@$files) {
1700	utf8::decode $_;	2321	utf8::decode $_;
1701	next if /\.pst$/;	2322	s/\.map$//; # TODO future compatibility hack
1702	next unless /^$PATH_SEP/o;	2323	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1703		2324	? ()
1704	push @paths, cf::map::normalise $_;	2325	: normalise $_
		2326	} @{ aio_readdir $UNIQUEDIR or [] }
1705	}	2327	]
1706
1707	\@paths
1708	}	2328	}
1709
1710	package cf;
1711		2329
1712	=back	2330	=back
1713		2331
1714	=head3 cf::object	2332	=head3 cf::object
1715		2333
…		…
1719		2337
1720	=over 4	2338	=over 4
1721		2339
1722	=item $ob->inv_recursive	2340	=item $ob->inv_recursive
1723		2341
1724	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.
1725		2344
1726	=cut	2345	=cut
1727		2346
1728	sub inv_recursive_;	2347	sub inv_recursive_;
1729	sub inv_recursive_ {	2348	sub inv_recursive_ {
…		…
1732		2351
1733	sub inv_recursive {	2352	sub inv_recursive {
1734	inv_recursive_ inv $_[0]	2353	inv_recursive_ inv $_[0]
1735	}	2354	}
1736		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
1737	package cf;	2384	package cf;
1738		2385
1739	=back	2386	=back
1740		2387
1741	=head3 cf::object::player	2388	=head3 cf::object::player
…		…
1747	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>
1748	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
1749	dialogue with the given NPC character.	2396	dialogue with the given NPC character.
1750		2397
1751	=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	};
1752		2413
1753	# rough implementation of a future "reply" method that works	2414	# rough implementation of a future "reply" method that works
1754	# with dialog boxes.	2415	# with dialog boxes.
1755	#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
1756	sub cf::object::player::reply($$$;$) {	2417	sub cf::object::player::reply($$$;$) {
…		…
1758		2419
1759	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2420	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1760		2421
1761	if ($self->{record_replies}) {	2422	if ($self->{record_replies}) {
1762	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2423	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2424
1763	} 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 {
1764	$msg = $npc->name . " says: $msg" if $npc;	2433	$msg = $npc->name . " says: $msg" if $npc;
1765	$self->message ($msg, $flags);	2434	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2435	}
1766	}	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 (@_);
1767	}	2447	}
1768		2448
1769	=item $player_object->may ("access")	2449	=item $player_object->may ("access")
1770		2450
1771	Returns wether the given player is authorized to access resource "access"	2451	Returns wether the given player is authorized to access resource "access"
…		…
1784		2464
1785	=item $player_object->enter_link	2465	=item $player_object->enter_link
1786		2466
1787	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}>).
1788		2468
1789	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.
1790	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.
1791		2473
1792	Will never block.	2474	Will never block.
1793		2475
1794	=item $player_object->leave_link ($map, $x, $y)	2476	=item $player_object->leave_link ($map, $x, $y)
1795		2477
…		…
1818	$self->deactivate_recursive;	2500	$self->deactivate_recursive;
1819		2501
1820	return if UNIVERSAL::isa $self->map, "ext::map_link";	2502	return if UNIVERSAL::isa $self->map, "ext::map_link";
1821		2503
1822	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2504	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1823	if $self->map;	2505	if $self->map && $self->map->{path} ne "{link}";
1824		2506
1825	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2507	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1826	}	2508	}
1827		2509
1828	sub cf::object::player::leave_link {	2510	sub cf::object::player::leave_link {
1829	my ($self, $map, $x, $y) = @_;	2511	my ($self, $map, $x, $y) = @_;
		2512
		2513	return unless $self->contr->active;
1830		2514
1831	my $link_pos = delete $self->{_link_pos};	2515	my $link_pos = delete $self->{_link_pos};
1832		2516
1833	unless ($map) {	2517	unless ($map) {
1834	# restore original map position	2518	# restore original map position
…		…
1848	# use -1 or undef as default coordinates, not 0, 0	2532	# use -1 or undef as default coordinates, not 0, 0
1849	($x, $y) = ($map->enter_x, $map->enter_y)	2533	($x, $y) = ($map->enter_x, $map->enter_y)
1850	if $x <=0 && $y <= 0;	2534	if $x <=0 && $y <= 0;
1851		2535
1852	$map->load;	2536	$map->load;
1853	$map->load_diag;	2537	$map->load_neighbours;
1854		2538
1855	return unless $self->contr->active;	2539	return unless $self->contr->active;
		2540	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1856	$self->activate_recursive;	2541	$self->activate_recursive;
1857		2542
1858	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2543	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1859	$self->enter_map ($map, $x, $y);	2544	$self->enter_map ($map, $x, $y);
1860	}	2545	}
1861		2546
1862	cf::player->attach (	2547	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1863	on_logout => sub {
1864	my ($pl) = @_;
1865		2548
1866	# abort map switching before logout	2549	Moves the player to the given map-path and coordinates by first freezing
1867	if ($pl->ob->{_link_pos}) {	2550	her, loading and preparing them map, calling the provided $check callback
1868	cf::sync_job {	2551	that has to return the map if sucecssful, and then unfreezes the player on
1869	$pl->ob->leave_link	2552	the new (success) or old (failed) map position. In either case, $done will
1870	};	2553	be called at the end of this process.
1871	}
1872	},
1873	on_login => sub {
1874	my ($pl) = @_;
1875		2554
1876	# try to abort aborted map switching on player login :)	2555	Note that $check will be called with a potentially non-loaded map, so if
1877	# should happen only on crashes	2556	it needs a loaded map it has to call C<< ->load >>.
1878	if ($pl->ob->{_link_pos}) {
1879	$pl->ob->enter_link;
1880	(async {
1881	$pl->ob->reply (undef,
1882	"There was an internal problem at your last logout, "
1883	. "the server will try to bring you to your intended destination in a second.",
1884	cf::NDI_RED);
1885	# we need this sleep as the login has a concurrent enter_exit running
1886	# and this sleep increases chances of the player not ending up in scorn
1887	Coro::Timer::sleep 1;
1888	$pl->ob->leave_link;
1889	})->prio (2);
1890	}
1891	},
1892	);
1893		2557
1894	=item $player_object->goto ($path, $x, $y)
1895
1896	=cut	2558	=cut
		2559
		2560	our $GOTOGEN;
1897		2561
1898	sub cf::object::player::goto {	2562	sub cf::object::player::goto {
1899	my ($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;
1900		2567
1901	$self->enter_link;	2568	$self->enter_link;
1902		2569
1903	(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
1904	my $map = eval {	2592	my $map = eval {
1905	my $map = cf::map::find $path;	2593	my $map = defined $path ? cf::map::find $path : undef;
		2594
		2595	if ($map) {
1906	$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
1907	$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 $@;
1908	} or	2608	}
1909	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1910		2609
		2610	if ($gen == $self->{_goto_generation}) {
		2611	delete $self->{_goto_generation};
1911	$self->leave_link ($map, $x, $y);	2612	$self->leave_link ($map, $x, $y);
		2613	}
		2614
		2615	$done->() if $done;
1912	})->prio (1);	2616	})->prio (1);
1913	}	2617	}
1914		2618
1915	=item $player_object->enter_exit ($exit_object)	2619	=item $player_object->enter_exit ($exit_object)
1916		2620
…		…
1936	}	2640	}
1937		2641
1938	sub prepare_random_map {	2642	sub prepare_random_map {
1939	my ($exit) = @_;	2643	my ($exit) = @_;
1940		2644
1941	my $guard = cf::lock_acquire "exit_prepare:$exit";
1942
1943	# all this does is basically replace the /! path by	2645	# all this does is basically replace the /! path by
1944	# a new random map path (?random/...) with a seed	2646	# a new random map path (?random/...) with a seed
1945	# that depends on the exit object	2647	# that depends on the exit object
1946		2648
1947	my $rmp = parse_random_map_params $exit->msg;	2649	my $rmp = parse_random_map_params $exit->msg;
…		…
1949	if ($exit->map) {	2651	if ($exit->map) {
1950	$rmp->{region} = $exit->region->name;	2652	$rmp->{region} = $exit->region->name;
1951	$rmp->{origin_map} = $exit->map->path;	2653	$rmp->{origin_map} = $exit->map->path;
1952	$rmp->{origin_x} = $exit->x;	2654	$rmp->{origin_x} = $exit->x;
1953	$rmp->{origin_y} = $exit->y;	2655	$rmp->{origin_y} = $exit->y;
		2656
		2657	$exit->map->touch;
1954	}	2658	}
1955		2659
1956	$rmp->{random_seed} ||= $exit->random_seed;	2660	$rmp->{random_seed} ||= $exit->random_seed;
1957		2661
1958	my $data = cf::to_json $rmp;	2662	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1959	my $md5 = Digest::MD5::md5_hex $data;	2663	my $md5 = Digest::MD5::md5_hex $data;
1960	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2664	my $meta = "$RANDOMDIR/$md5.meta";
1961		2665
1962	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2666	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1963	aio_write $fh, 0, (length $data), $data, 0;	2667	aio_write $fh, 0, (length $data), $data, 0;
1964	undef $fh;	2668	undef $fh;
1965	aio_rename "$meta~", $meta;	2669	aio_rename "$meta~", $meta;
1966		2670
		2671	my $slaying = "?random/$md5";
		2672
		2673	if ($exit->valid) {
1967	$exit->slaying ("?random/$md5");	2674	$exit->slaying ("?random/$md5");
1968	$exit->msg (undef);	2675	$exit->msg (undef);
		2676	}
1969	}	2677	}
1970	}	2678	}
1971		2679
1972	sub cf::object::player::enter_exit {	2680	sub cf::object::player::enter_exit {
1973	my ($self, $exit) = @_;	2681	my ($self, $exit) = @_;
1974		2682
1975	return unless $self->type == cf::PLAYER;	2683	return unless $self->type == cf::PLAYER;
1976		2684
1977	if ($exit->slaying eq "/!") {
1978	#TODO: this should de-fi-ni-te-ly not be a sync-job
1979	# the problem is that $exit might not survive long enough
1980	# so it needs to be done right now, right here
1981	cf::sync_job { prepare_random_map $exit };
1982	}
1983
1984	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1985	my $hp = $exit->stats->hp;
1986	my $sp = $exit->stats->sp;
1987
1988	$self->enter_link;	2685	$self->enter_link;
1989		2686
1990	(async {	2687	(async {
1991	$self->deactivate_recursive; # just to be sure	2688	$Coro::current->{desc} = "enter_exit";
		2689
1992	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
1993	$self->goto ($slaying, $hp, $sp);	2705	$self->goto ($map, $x, $y);
1994		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
1995	1;	2711	1
1996	}) {	2712	}) {
1997	$self->message ("Something went wrong deep within the crossfire server. "	2713	$self->message ("Something went wrong deep within the deliantra server. "
1998	. "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. "
1999	. "Please report this to the dungeon master!",	2715	. "Please report this to the dungeon master!",
2000	cf::NDI_UNIQUE | cf::NDI_RED);	2716	cf::NDI_UNIQUE | cf::NDI_RED);
2001		2717
2002	warn "ERROR in enter_exit: $@";	2718	warn "ERROR in enter_exit: $@";
…		…
2021		2737
2022	utf8::encode $text;	2738	utf8::encode $text;
2023	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2739	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2024	}	2740	}
2025		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
2026	=item $client->ext_event ($type, %msg)	2887	=item $client->ext_msg ($type, @msg)
2027		2888
2028	Sends an exti event to the client.	2889	Sends an ext event to the client.
2029		2890
2030	=cut	2891	=cut
2031		2892
2032	sub cf::client::ext_event($$%) {	2893	sub cf::client::ext_msg($$@) {
2033	my ($self, $type, %msg) = @_;	2894	my ($self, $type, @msg) = @_;
2034		2895
		2896	if ($self->extcmd == 2) {
		2897	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2898	} elsif ($self->extcmd == 1) { # TODO: remove
2035	$msg{msgtype} = "event_$type";	2899	push @msg, msgtype => "event_$type";
2036	$self->send_packet ("ext " . cf::to_json \%msg);	2900	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2901	}
		2902	}
		2903
		2904	=item $client->ext_reply ($msgid, @msg)
		2905
		2906	Sends an ext reply to the client.
		2907
		2908	=cut
		2909
		2910	sub cf::client::ext_reply($$@) {
		2911	my ($self, $id, @msg) = @_;
		2912
		2913	if ($self->extcmd == 2) {
		2914	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2915	} elsif ($self->extcmd == 1) {
		2916	#TODO: version 1, remove
		2917	unshift @msg, msgtype => "reply", msgid => $id;
		2918	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2919	}
2037	}	2920	}
2038		2921
2039	=item $success = $client->query ($flags, "text", \&cb)	2922	=item $success = $client->query ($flags, "text", \&cb)
2040		2923
2041	Queues a query to the client, calling the given callback with	2924	Queues a query to the client, calling the given callback with
2042	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2925	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2043	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2926	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2044		2927
2045	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
2046	reliable at some point in the future.	2929	become reliable at some point in the future.
2047		2930
2048	=cut	2931	=cut
2049		2932
2050	sub cf::client::query {	2933	sub cf::client::query {
2051	my ($self, $flags, $text, $cb) = @_;	2934	my ($self, $flags, $text, $cb) = @_;
…		…
2059	utf8::encode $text;	2942	utf8::encode $text;
2060	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2943	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2061		2944
2062	$self->send_packet ($self->{query_queue}[0][0])	2945	$self->send_packet ($self->{query_queue}[0][0])
2063	if @{ $self->{query_queue} } == 1;	2946	if @{ $self->{query_queue} } == 1;
		2947
		2948	1
2064	}	2949	}
2065		2950
2066	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	},
2067	on_reply => sub {	2957	on_reply => sub {
2068	my ($ns, $msg) = @_;	2958	my ($ns, $msg) = @_;
2069		2959
2070	# this weird shuffling is so that direct followup queries	2960	# this weird shuffling is so that direct followup queries
2071	# get handled first	2961	# get handled first
…		…
2083	} else {	2973	} else {
2084	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2974	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2085	}	2975	}
2086	}	2976	}
2087	},	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	},
2088	);	3004	);
2089		3005
2090	=item $client->async (\&cb)	3006	=item $client->async (\&cb)
2091		3007
2092	Create a new coroutine, running the specified callback. The coroutine will	3008	Create a new coroutine, running the specified callback. The coroutine will
…		…
2133	our $safe = new Safe "safe";	3049	our $safe = new Safe "safe";
2134	our $safe_hole = new Safe::Hole;	3050	our $safe_hole = new Safe::Hole;
2135		3051
2136	$SIG{FPE} = 'IGNORE';	3052	$SIG{FPE} = 'IGNORE';
2137		3053
2138	$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	));
2139		3059
2140	# here we export the classes and methods available to script code	3060	# here we export the classes and methods available to script code
2141		3061
2142	=pod	3062	=pod
2143		3063
2144	The following functions and methods are available within a safe environment:	3064	The following functions and methods are available within a safe environment:
2145		3065
2146	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
2147	cf::object::player player	3070	cf::object::player
2148	cf::player peaceful	3071	player
2149	cf::map trigger	3072
		3073	cf::player
		3074	peaceful
		3075
		3076	cf::map
		3077	trigger
2150		3078
2151	=cut	3079	=cut
2152		3080
2153	for (	3081	for (
2154	["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)],
2155	["cf::object::player" => qw(player)],	3085	["cf::object::player" => qw(player)],
2156	["cf::player" => qw(peaceful)],	3086	["cf::player" => qw(peaceful)],
2157	["cf::map" => qw(trigger)],	3087	["cf::map" => qw(trigger)],
2158	) {	3088	) {
2159	no strict 'refs';	3089	no strict 'refs';
…		…
2230	=back	3160	=back
2231		3161
2232	=cut	3162	=cut
2233		3163
2234	#############################################################################	3164	#############################################################################
2235
2236	=head2 EXTENSION DATABASE SUPPORT
2237
2238	Crossfire maintains a very simple database for extension use. It can
2239	currently store anything that can be serialised using Storable, which
2240	excludes objects.
2241
2242	The parameter C<$family> should best start with the name of the extension
2243	using it, it should be unique.
2244
2245	=over 4
2246
2247	=item $value = cf::db_get $family => $key
2248
2249	Returns a single value from the database.
2250
2251	=item cf::db_put $family => $key => $value
2252
2253	Stores the given C<$value> in the family.
2254
2255	=cut
2256
2257	our $DB;
2258
2259	sub db_init {
2260	unless ($DB) {
2261	$DB = BDB::db_create $DB_ENV;
2262
2263	cf::sync_job {
2264	eval {
2265	$DB->set_flags (BDB::CHKSUM);
2266
2267	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2268	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2269	cf::cleanup "db_open(db): $!" if $!;
2270	};
2271	cf::cleanup "db_open(db): $@" if $@;
2272	};
2273
2274	my $path = cf::localdir . "/database.pst";
2275	if (stat $path) {
2276	cf::sync_job {
2277	my $pst = Storable::retrieve $path;
2278
2279	cf::db_put (board => data => $pst->{board});
2280	cf::db_put (guildrules => data => $pst->{guildrules});
2281	cf::db_put (rent => balance => $pst->{rent}{balance});
2282	BDB::db_env_txn_checkpoint $DB_ENV;
2283
2284	unlink $path;
2285	};
2286	}
2287	}
2288	}
2289
2290	sub db_get($$) {
2291	my $key = "$_[0]/$_[1]";
2292
2293	cf::sync_job {
2294	BDB::db_get $DB, undef, $key, my $data;
2295
2296	$! ? ()
2297	: Compress::LZF::sthaw $data
2298	}
2299	}
2300
2301	sub db_put($$$) {
2302	BDB::dbreq_pri 4;
2303	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2304	}
2305
2306	#############################################################################
2307	# the server's init and main functions	3165	# the server's init and main functions
2308		3166
2309	sub load_facedata {	3167	sub load_facedata($) {
2310	my $path = sprintf "%s/facedata", cf::datadir;	3168	my ($path) = @_;
		3169
		3170	# HACK to clear player env face cache, we need some signal framework
		3171	# for this (global event?)
		3172	%ext::player_env::MUSIC_FACE_CACHE = ();
		3173
		3174	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2311		3175
2312	warn "loading facedata from $path\n";	3176	warn "loading facedata from $path\n";
2313		3177
2314	my $facedata;	3178	my $facedata;
2315	0 < aio_load $path, $facedata	3179	0 < aio_load $path, $facedata
…		…
2318	$facedata = Coro::Storable::thaw $facedata;	3182	$facedata = Coro::Storable::thaw $facedata;
2319		3183
2320	$facedata->{version} == 2	3184	$facedata->{version} == 2
2321	or cf::cleanup "$path: version mismatch, cannot proceed.";	3185	or cf::cleanup "$path: version mismatch, cannot proceed.";
2322		3186
		3187	# patch in the exptable
		3188	$facedata->{resource}{"res/exp_table"} = {
		3189	type => FT_RSRC,
		3190	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3191	};
		3192	cf::cede_to_tick;
		3193
2323	{	3194	{
2324	my $faces = $facedata->{faceinfo};	3195	my $faces = $facedata->{faceinfo};
2325		3196
2326	while (my ($face, $info) = each %$faces) {	3197	while (my ($face, $info) = each %$faces) {
2327	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3198	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3199
2328	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3200	cf::face::set_visibility $idx, $info->{visibility};
		3201	cf::face::set_magicmap $idx, $info->{magicmap};
2329	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3202	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2330	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3203	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2331	Coro::cede;	3204
		3205	cf::cede_to_tick;
2332	}	3206	}
2333		3207
2334	while (my ($face, $info) = each %$faces) {	3208	while (my ($face, $info) = each %$faces) {
2335	next unless $info->{smooth};	3209	next unless $info->{smooth};
		3210
2336	my $idx = cf::face::find $face	3211	my $idx = cf::face::find $face
2337	or next;	3212	or next;
		3213
2338	if (my $smooth = cf::face::find $info->{smooth}) {	3214	if (my $smooth = cf::face::find $info->{smooth}) {
		3215	cf::face::set_smooth $idx, $smooth;
2339	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3216	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2340	} else {	3217	} else {
2341	warn "smooth face '$info->{smooth}' not found for face '$face'";	3218	warn "smooth face '$info->{smooth}' not found for face '$face'";
2342	}	3219	}
2343	Coro::cede;	3220
		3221	cf::cede_to_tick;
2344	}	3222	}
2345	}	3223	}
2346		3224
2347	{	3225	{
2348	my $anims = $facedata->{animinfo};	3226	my $anims = $facedata->{animinfo};
2349		3227
2350	while (my ($anim, $info) = each %$anims) {	3228	while (my ($anim, $info) = each %$anims) {
2351	cf::anim::set $anim, $info->{frames}, $info->{facings};	3229	cf::anim::set $anim, $info->{frames}, $info->{facings};
2352	Coro::cede;	3230	cf::cede_to_tick;
2353	}	3231	}
2354		3232
2355	cf::anim::invalidate_all; # d'oh	3233	cf::anim::invalidate_all; # d'oh
2356	}	3234	}
2357		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
2358	1	3271	1
2359	}	3272	}
2360		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
2361	sub reload_resources {	3341	sub reload_resources {
2362	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3342	warn "reloading resource files...\n";
2363	or die "unable to load regions file\n";#d#	3343
2364	load_facedata	3344	reload_facedata;
2365	or die "unable to load facedata\n";#d#	3345	reload_archetypes;
		3346	reload_regions;
		3347	reload_treasures;
		3348
		3349	warn "finished reloading resource files\n";
2366	}	3350	}
2367		3351
2368	sub init {	3352	sub init {
		3353	my $guard = freeze_mainloop;
		3354
		3355	evthread_start IO::AIO::poll_fileno;
		3356
2369	reload_resources;	3357	reload_resources;
2370	}	3358	}
2371		3359
2372	sub cfg_load {	3360	sub reload_config {
2373	open my $fh, "<:utf8", cf::confdir . "/config"	3361	open my $fh, "<:utf8", "$CONFDIR/config"
2374	or return;	3362	or return;
2375		3363
2376	local $/;	3364	local $/;
2377	*CFG = YAML::Syck::Load <$fh>;	3365	*CFG = YAML::Load <$fh>;
2378		3366
2379	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3367	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2380		3368
2381	$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};
2382	$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};
…		…
2388	};	3376	};
2389	warn $@ if $@;	3377	warn $@ if $@;
2390	}	3378	}
2391	}	3379	}
2392		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
2393	sub main {	3400	sub main {
		3401	atomic;
		3402
2394	# we must not ever block the main coroutine	3403	# we must not ever block the main coroutine
2395	local $Coro::idle = sub {	3404	local $Coro::idle = sub {
2396	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#
2397	(async {	3406	(async {
2398	Event::one_event;	3407	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3408	EV::loop EV::LOOP_ONESHOT;
2399	})->prio (Coro::PRIO_MAX);	3409	})->prio (Coro::PRIO_MAX);
2400	};	3410	};
2401		3411
2402	cfg_load;	3412	{
		3413	my $guard = freeze_mainloop;
		3414	reload_config;
2403	db_init;	3415	db_init;
2404	load_extensions;	3416	load_extensions;
2405		3417
2406	$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
2407	Event::loop;	3426	EV::loop;
2408	}	3427	}
2409		3428
2410	#############################################################################	3429	#############################################################################
2411	# initialisation and cleanup	3430	# initialisation and cleanup
2412		3431
2413	# install some emergency cleanup handlers	3432	# install some emergency cleanup handlers
2414	BEGIN {	3433	BEGIN {
		3434	our %SIGWATCHER = ();
2415	for my $signal (qw(INT HUP TERM)) {	3435	for my $signal (qw(INT HUP TERM)) {
2416	Event->signal (	3436	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2417	reentrant => 0,
2418	data => WF_AUTOCANCEL,
2419	signal => $signal,
2420	prio => 0,
2421	cb => sub {
2422	cf::cleanup "SIG$signal";	3437	cf::cleanup "SIG$signal";
2423	},
2424	);	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
2425	}	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($$) {
		3515	my ($skip, $sync) = @_;
		3516
		3517	$sync ? write_uuid_sync $skip
		3518	: async { write_uuid_sync $skip };
2426	}	3519	}
2427		3520
2428	sub emergency_save() {	3521	sub emergency_save() {
2429	my $freeze_guard = cf::freeze_mainloop;	3522	my $freeze_guard = cf::freeze_mainloop;
2430		3523
…		…
2436	# and maps saved/destroyed asynchronously.	3529	# and maps saved/destroyed asynchronously.
2437	warn "begin emergency player save\n";	3530	warn "begin emergency player save\n";
2438	for my $login (keys %cf::PLAYER) {	3531	for my $login (keys %cf::PLAYER) {
2439	my $pl = $cf::PLAYER{$login} or next;	3532	my $pl = $cf::PLAYER{$login} or next;
2440	$pl->valid or next;	3533	$pl->valid or next;
		3534	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2441	$pl->save;	3535	$pl->save;
2442	}	3536	}
2443	warn "end emergency player save\n";	3537	warn "end emergency player save\n";
2444		3538
2445	warn "begin emergency map save\n";	3539	warn "begin emergency map save\n";
…		…
2451	warn "end emergency map save\n";	3545	warn "end emergency map save\n";
2452		3546
2453	warn "begin emergency database checkpoint\n";	3547	warn "begin emergency database checkpoint\n";
2454	BDB::db_env_txn_checkpoint $DB_ENV;	3548	BDB::db_env_txn_checkpoint $DB_ENV;
2455	warn "end emergency database checkpoint\n";	3549	warn "end emergency database checkpoint\n";
		3550
		3551	warn "begin write uuid\n";
		3552	write_uuid_sync 1;
		3553	warn "end write uuid\n";
2456	};	3554	};
2457		3555
2458	warn "leave emergency perl save\n";	3556	warn "leave emergency perl save\n";
2459	}	3557	}
2460		3558
2461	sub post_cleanup {	3559	sub post_cleanup {
2462	my ($make_core) = @_;	3560	my ($make_core) = @_;
2463		3561
2464	warn Carp::longmess "post_cleanup backtrace"	3562	warn Carp::longmess "post_cleanup backtrace"
2465	if $make_core;	3563	if $make_core;
2466	}
2467		3564
		3565	my $fh = pidfile;
		3566	unlink $PIDFILE if <$fh> == $$;
		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 $RELOAD; # how many times to reload
		3596
2468	sub reload() {	3597	sub do_reload_perl() {
2469	# can/must only be called in main	3598	# can/must only be called in main
2470	if ($Coro::current != $Coro::main) {	3599	if ($Coro::current != $Coro::main) {
2471	warn "can only reload from main coroutine";	3600	warn "can only reload from main coroutine";
2472	return;	3601	return;
2473	}	3602	}
2474		3603
		3604	return if $RELOAD++;
		3605
		3606	while ($RELOAD) {
2475	warn "reloading...";	3607	warn "reloading...";
2476		3608
2477	warn "entering sync_job";	3609	warn "entering sync_job";
2478		3610
2479	cf::sync_job {	3611	cf::sync_job {
2480	cf::write_runtime; # external watchdog should not bark	3612	cf::write_runtime_sync; # external watchdog should not bark
2481	cf::emergency_save;	3613	cf::emergency_save;
2482	cf::write_runtime; # external watchdog should not bark	3614	cf::write_runtime_sync; # external watchdog should not bark
2483		3615
2484	warn "syncing database to disk";	3616	warn "syncing database to disk";
2485	BDB::db_env_txn_checkpoint $DB_ENV;	3617	BDB::db_env_txn_checkpoint $DB_ENV;
2486		3618
2487	# 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
2488		3620
2489	warn "cancelling all WF_AUTOCANCEL watchers";
2490	for (Event::all_watchers) {
2491	$_->cancel if $_->data & WF_AUTOCANCEL;
2492	}
2493
2494	warn "flushing outstanding aio requests";	3621	warn "flushing outstanding aio requests";
2495	for (;;) {
2496	BDB::flush;
2497	IO::AIO::flush;
2498	Coro::cede;
2499	last unless IO::AIO::nreqs || BDB::nreqs;	3622	while (IO::AIO::nreqs || BDB::nreqs) {
2500	warn "iterate...";	3623	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2501	}
2502
2503	++$RELOAD;
2504
2505	warn "cancelling all extension coros";
2506	$_->cancel for values %EXT_CORO;
2507	%EXT_CORO = ();
2508
2509	warn "removing commands";
2510	%COMMAND = ();
2511
2512	warn "removing ext commands";
2513	%EXTCMD = ();
2514
2515	warn "unloading/nuking all extensions";
2516	for my $pkg (@EXTS) {
2517	warn "... unloading $pkg";
2518
2519	if (my $cb = $pkg->can ("unload")) {
2520	eval {
2521	$cb->($pkg);
2522	1
2523	} or warn "$pkg unloaded, but with errors: $@";
2524	}	3624	}
2525		3625
2526	warn "... nuking $pkg";	3626	warn "cancelling all extension coros";
2527	Symbol::delete_package $pkg;	3627	$_->cancel for values %EXT_CORO;
2528	}	3628	%EXT_CORO = ();
2529		3629
2530	warn "unloading all perl modules loaded from $LIBDIR";	3630	warn "removing commands";
2531	while (my ($k, $v) = each %INC) {	3631	%COMMAND = ();
2532	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2533		3632
		3633	warn "removing ext/exti commands";
		3634	%EXTCMD = ();
		3635	%EXTICMD = ();
		3636
		3637	warn "unloading/nuking all extensions";
		3638	for my $pkg (@EXTS) {
2534	warn "... unloading $k";	3639	warn "... unloading $pkg";
2535	delete $INC{$k};
2536		3640
2537	$k =~ s/\.pm$//;
2538	$k =~ s/\//::/g;
2539
2540	if (my $cb = $k->can ("unload_module")) {	3641	if (my $cb = $pkg->can ("unload")) {
		3642	eval {
2541	$cb->();	3643	$cb->($pkg);
		3644	1
		3645	} or warn "$pkg unloaded, but with errors: $@";
		3646	}
		3647
		3648	warn "... clearing $pkg";
		3649	clear_package $pkg;
2542	}	3650	}
2543		3651
2544	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 $k;
2545	}	3667	}
2546		3668
2547	warn "getting rid of safe::, as good as possible";	3669	warn "getting rid of safe::, as good as possible";
2548	Symbol::delete_package "safe::$_"	3670	clear_package "safe::$_"
2549	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);
2550		3672
2551	warn "unloading cf.pm \"a bit\"";	3673	warn "unloading cf.pm \"a bit\"";
2552	delete $INC{"cf.pm"};	3674	delete $INC{"cf.pm"};
		3675	delete $INC{"cf/pod.pm"};
2553		3676
2554	# don't, removes xs symbols, too,	3677	# don't, removes xs symbols, too,
2555	# and global variables created in xs	3678	# and global variables created in xs
2556	#Symbol::delete_package __PACKAGE__;	3679	#clear_package __PACKAGE__;
2557		3680
2558	warn "unload completed, starting to reload now";	3681	warn "unload completed, starting to reload now";
2559		3682
2560	warn "reloading cf.pm";	3683	warn "reloading cf.pm";
2561	require cf;	3684	require cf;
2562	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3685	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2563		3686
2564	warn "loading config and database again";	3687	warn "loading config and database again";
2565	cf::cfg_load;	3688	cf::reload_config;
2566		3689
2567	warn "loading extensions";	3690	warn "loading extensions";
2568	cf::load_extensions;	3691	cf::load_extensions;
2569		3692
2570	warn "reattaching attachments to objects/players";	3693	warn "reattaching attachments to objects/players";
2571	_global_reattach; # objects, sockets	3694	_global_reattach; # objects, sockets
2572	warn "reattaching attachments to maps";	3695	warn "reattaching attachments to maps";
2573	reattach $_ for values %MAP;	3696	reattach $_ for values %MAP;
2574	warn "reattaching attachments to players";	3697	warn "reattaching attachments to players";
2575	reattach $_ for values %PLAYER;	3698	reattach $_ for values %PLAYER;
2576		3699
2577	warn "loading reloadable resources";
2578	reload_resources;
2579
2580	warn "leaving sync_job";	3700	warn "leaving sync_job";
2581		3701
2582	1	3702	1
2583	} or do {	3703	} or do {
2584	warn $@;	3704	warn $@;
2585	warn "error while reloading, exiting.";	3705	cf::cleanup "error while reloading, exiting.";
2586	exit 1;	3706	};
		3707
		3708	warn "reloaded";
		3709	--$RELOAD;
		3710	}
		3711	};
		3712
		3713	our $RELOAD_WATCHER; # used only during reload
		3714
		3715	sub reload_perl() {
		3716	# doing reload synchronously and two reloads happen back-to-back,
		3717	# coro crashes during coro_state_free->destroy here.
		3718
		3719	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3720	do_reload_perl;
		3721	undef $RELOAD_WATCHER;
2587	};	3722	};
2588		3723	}
2589	warn "reloaded";
2590	};
2591
2592	our $RELOAD_WATCHER; # used only during reload
2593		3724
2594	register_command "reload" => sub {	3725	register_command "reload" => sub {
2595	my ($who, $arg) = @_;	3726	my ($who, $arg) = @_;
2596		3727
2597	if ($who->flag (FLAG_WIZ)) {	3728	if ($who->flag (FLAG_WIZ)) {
2598	$who->message ("reloading server.");	3729	$who->message ("reloading server.");
2599		3730	async {
2600	# doing reload synchronously and two reloads happen back-to-back,	3731	$Coro::current->{desc} = "perl_reload";
2601	# coro crashes during coro_state_free->destroy here.
2602
2603	$RELOAD_WATCHER ||= Event->timer (
2604	reentrant => 0,
2605	after => 0,
2606	data => WF_AUTOCANCEL,
2607	cb => sub {
2608	reload;	3732	reload_perl;
2609	undef $RELOAD_WATCHER;
2610	},
2611	);	3733	};
2612	}	3734	}
2613	};	3735	};
2614		3736
2615	unshift @INC, $LIBDIR;	3737	unshift @INC, $LIBDIR;
2616		3738
2617	my $bug_warning = 0;	3739	my $bug_warning = 0;
2618		3740
2619	$TICK_WATCHER = Event->timer (	3741	our @WAIT_FOR_TICK;
2620	reentrant => 0,	3742	our @WAIT_FOR_TICK_BEGIN;
2621	parked => 1,	3743
2622	prio => 0,	3744	sub wait_for_tick {
2623	at => $NEXT_TICK || $TICK,	3745	return if tick_inhibit || $Coro::current == $Coro::main;
2624	data => WF_AUTOCANCEL,	3746
2625	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	$signal->wait;
		3758	}
		3759
		3760	sub tick {
2626	if ($Coro::current != $Coro::main) {	3761	if ($Coro::current != $Coro::main) {
2627	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3762	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2628	unless ++$bug_warning > 10;	3763	unless ++$bug_warning > 10;
2629	return;	3764	return;
2630	}	3765	}
2631		3766
2632	$NOW = Event::time;
2633
2634	cf::server_tick; # one server iteration	3767	cf::server_tick; # one server iteration
2635	$RUNTIME += $TICK;
2636	$NEXT_TICK += $TICK;
2637		3768
2638	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3769	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2639	$NEXT_RUNTIME_WRITE = $NOW + 10;	3770	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2640	Coro::async_pool {	3771	Coro::async_pool {
		3772	$Coro::current->{desc} = "runtime saver";
2641	write_runtime	3773	write_runtime_sync
2642	or warn "ERROR: unable to write runtime file: $!";	3774	or warn "ERROR: unable to write runtime file: $!";
2643	};
2644	}	3775	};
2645
2646	$WAIT_FOR_TICK->broadcast;
2647	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2648
2649	# my $AFTER = Event::time;
2650	# warn $AFTER - $NOW;#d#
2651
2652	# if we are delayed by four ticks or more, skip them all
2653	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2654
2655	$TICK_WATCHER->at ($NEXT_TICK);
2656	$TICK_WATCHER->start;
2657	},	3776	}
2658	);	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	}
2659		3796
2660	{	3797	{
2661	BDB::max_poll_time $TICK * 0.1;	3798	# configure BDB
2662	$BDB_POLL_WATCHER = Event->io (	3799
2663	reentrant => 0,
2664	fd => BDB::poll_fileno,
2665	poll => 'r',
2666	prio => 0,
2667	data => WF_AUTOCANCEL,
2668	cb => \&BDB::poll_cb,
2669	);
2670	BDB::min_parallel 8;	3800	BDB::min_parallel 8;
2671		3801	BDB::max_poll_reqs $TICK * 0.1;
2672	BDB::set_sync_prepare {	3802	$AnyEvent::BDB::WATCHER->priority (1);
2673	my $status;
2674	my $current = $Coro::current;
2675	(
2676	sub {
2677	$status = $!;
2678	$current->ready; undef $current;
2679	},
2680	sub {
2681	Coro::schedule while defined $current;
2682	$! = $status;
2683	},
2684	)
2685	};
2686		3803
2687	unless ($DB_ENV) {	3804	unless ($DB_ENV) {
2688	$DB_ENV = BDB::db_env_create;	3805	$DB_ENV = BDB::db_env_create;
		3806	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3807	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3808	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3809	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3810	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2689		3811
2690	cf::sync_job {	3812	cf::sync_job {
2691	eval {	3813	eval {
2692	BDB::db_env_open	3814	BDB::db_env_open
2693	$DB_ENV,	3815	$DB_ENV,
2694	$BDB_ENV_DIR,	3816	$BDBDIR,
2695	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3817	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2696	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3818	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2697	0666;	3819	0666;
2698		3820
2699	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3821	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2700
2701	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2702	$DB_ENV->set_lk_detect;
2703	};	3822	};
2704		3823
2705	cf::cleanup "db_env_open(db): $@" if $@;	3824	cf::cleanup "db_env_open(db): $@" if $@;
2706	};	3825	};
2707	}	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	};
2708	}	3837	}
2709		3838
2710	{	3839	{
		3840	# configure IO::AIO
		3841
2711	IO::AIO::min_parallel 8;	3842	IO::AIO::min_parallel 8;
2712
2713	undef $Coro::AIO::WATCHER;
2714	IO::AIO::max_poll_time $TICK * 0.1;	3843	IO::AIO::max_poll_time $TICK * 0.1;
2715	$AIO_POLL_WATCHER = Event->io (	3844	undef $AnyEvent::AIO::WATCHER;
2716	reentrant => 0,
2717	data => WF_AUTOCANCEL,
2718	fd => IO::AIO::poll_fileno,
2719	poll => 'r',
2720	prio => 6,
2721	cb => \&IO::AIO::poll_cb,
2722	);
2723	}	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;
2724		3891
2725	END { cf::emergency_save }	3892	END { cf::emergency_save }
2726		3893
2727	1	3894	1
2728		3895

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