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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.232 by root, Wed Apr 4 02:07:19 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;
		48	use Coro::Storable;
		49	use Coro::Util ();
21		50
		51	use JSON::XS 2.01 ();
22	use BDB ();	52	use BDB ();
23	use Data::Dumper;	53	use Data::Dumper;
24	use Digest::MD5;	54	use Digest::MD5;
25	use Fcntl;	55	use Fcntl;
26	use YAML::Syck ();	56	use YAML ();
27	use IO::AIO 2.32 ();	57	use IO::AIO ();
28	use Time::HiRes;	58	use Time::HiRes;
29	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
30		63
31	# configure various modules to our taste	64	# configure various modules to our taste
32	#	65	#
		66	$Storable::canonical = 1; # reduce rsync transfers
33	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
34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
35
36	$Event::Eval = 1; # no idea why this is required, but it is
37
38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
39	$YAML::Syck::ImplicitUnicode = 1;
40		68
41	$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	}
42		87
43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	88	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
44		89
45	our %COMMAND = ();	90	our %COMMAND = ();
46	our %COMMAND_TIME = ();	91	our %COMMAND_TIME = ();
47		92
48	our @EXTS = (); # list of extension package names	93	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	94	our %EXTCMD = ();
		95	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	96	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	97	our %EXT_MAP = (); # pluggable maps
52		98
53	our $RELOAD; # number of reloads so far	99	our $RELOAD; # number of reloads so far
54	our @EVENT;	100	our @EVENT;
55	our $LIBDIR = datadir . "/ext";
56		101
57	our $TICK = MAX_TIME * 1e-6;	102	our $CONFDIR = confdir;
58	our $TICK_WATCHER;	103	our $DATADIR = datadir;
59	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(!)
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	119	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	120	our $NEXT_TICK;
62	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off	121	our $USE_FSYNC = 1; # use fsync to write maps - default off
64		122
		123	our $BDB_DEADLOCK_WATCHER;
		124	our $BDB_CHECKPOINT_WATCHER;
65	our $BDB_POLL_WATCHER;	125	our $BDB_TRICKLE_WATCHER;
66	our $DB_ENV;	126	our $DB_ENV;
67		127
68	our %CFG;	128	our %CFG;
69		129
70	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;	131	our $RUNTIME;
		132	our $NOW;
72		133
73	our %PLAYER; # all users	134	our (%PLAYER, %PLAYER_LOADING); # all users
74	our %MAP; # all maps	135	our (%MAP, %MAP_LOADING ); # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	136	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		137
82	# 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 ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	139	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		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 $TICK_START; # for load detecting purposes
		145
85	binmode STDOUT;	146	binmode STDOUT;
86	binmode STDERR;	147	binmode STDERR;
87		148
88	# read virtual server time, if available	149	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	150	unless ($RUNTIME || !-e $RUNTIMEFILE) {
90	open my $fh, "<", cf::localdir . "/runtime"	151	open my $fh, "<", $RUNTIMEFILE
91	or die "unable to read runtime file: $!";	152	or die "unable to read $RUNTIMEFILE file: $!";
92	$RUNTIME = <$fh> + 0.;	153	$RUNTIME = <$fh> + 0.;
93	}	154	}
94		155
95	mkdir cf::localdir;	156	mkdir $_
96	mkdir cf::localdir . "/" . cf::playerdir;	157	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
97	mkdir cf::localdir . "/" . cf::tmpdir;
98	mkdir cf::localdir . "/" . cf::uniquedir;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		158
102	our $EMERGENCY_POSITION;	159	our $EMERGENCY_POSITION;
103		160
104	sub cf::map::normalise;	161	sub cf::map::normalise;
105		162
…		…
116	=item $cf::RUNTIME	173	=item $cf::RUNTIME
117		174
118	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
119	every server tick.	176	every server tick.
120		177
121	=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
122		181
123	The perl library directory, where extensions and cf-specific modules can	182	Various directories - "/etc", read-only install directory, perl-library
124	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.
125		186
126	=item $cf::NOW	187	=item $cf::NOW
127		188
128	The time of the last (current) server tick.	189	The time of the last (current) server tick.
129		190
130	=item $cf::TICK	191	=item $cf::TICK
131		192
132	The interval between server ticks, in seconds.	193	The interval between server ticks, in seconds.
133		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
134	=item %cf::CFG	205	=item %cf::CFG
135		206
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	207	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
137	from wherever your confdir points to.	208	from wherever your confdir points to.
138		209
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	210	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		211
141	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
142	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
143	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.
144	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.
145		221
146	=back	222	=back
147		223
148	=cut	224	=cut
149		225
150	BEGIN {	226	BEGIN {
151	*CORE::GLOBAL::warn = sub {	227	*CORE::GLOBAL::warn = sub {
152	my $msg = join "", @_;	228	my $msg = join "", @_;
153	utf8::encode $msg;
154		229
155	$msg .= "\n"	230	$msg .= "\n"
156	unless $msg =~ /\n$/;	231	unless $msg =~ /\n$/;
157		232
		233	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		234
158	LOG llevError, $msg;	235	LOG llevError, $msg;
159	};	236	};
160	}	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#?
161		253
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	254	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	255	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	256	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	257	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@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';
167	@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)
168		261
169	# 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
170	# within the Safe compartment.	263	# within the Safe compartment.
171	for my $pkg (qw(	264	for my $pkg (qw(
172	cf::global cf::attachable	265	cf::global cf::attachable
173	cf::object cf::object::player	266	cf::object cf::object::player
174	cf::client cf::player	267	cf::client cf::player
175	cf::arch cf::living	268	cf::arch cf::living
		269	cf::map cf::mapspace
176	cf::map cf::party cf::region	270	cf::party cf::region
177	)) {	271	)) {
178	no strict 'refs';
179	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	272	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
180	}	273	}
181		274
182	$Event::DIED = sub {	275	$EV::DIED = sub {
183	warn "error in event callback: @_";	276	warn "error in event callback: @_";
184	};	277	};
		278
		279	#############################################################################
185		280
186	=head2 UTILITY FUNCTIONS	281	=head2 UTILITY FUNCTIONS
187		282
188	=over 4	283	=over 4
189		284
…		…
208	$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;
209	$d	304	$d
210	} || "[unable to dump $_[0]: '$@']";	305	} || "[unable to dump $_[0]: '$@']";
211	}	306	}
212		307
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	308	=item $ref = cf::decode_json $json
216		309
217	Converts a JSON string into the corresponding perl data structure.	310	Converts a JSON string into the corresponding perl data structure.
218		311
219	=item $json = cf::to_json $ref	312	=item $json = cf::encode_json $ref
220		313
221	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]) }
222		322
223	=item cf::lock_wait $string	323	=item cf::lock_wait $string
224		324
225	Wait until the given lock is available. See cf::lock_acquire.	325	Wait until the given lock is available. See cf::lock_acquire.
226		326
…		…
229	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
230	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,
231	for example when the coroutine gets canceled), the lock is automatically	331	for example when the coroutine gets canceled), the lock is automatically
232	returned.	332	returned.
233		333
		334	Locks are *not* recursive, locking from the same coro twice results in a
		335	deadlocked coro.
		336
234	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
235	uses map_find and cf::map::load uses map_load).	338	uses map_find and cf::map::load uses map_load).
236		339
		340	=item $locked = cf::lock_active $string
		341
		342	Return true if the lock is currently active, i.e. somebody has locked it.
		343
237	=cut	344	=cut
238		345
239	our %LOCK;	346	our %LOCK;
		347	our %LOCKER;#d#
240		348
241	sub lock_wait($) {	349	sub lock_wait($) {
242	my ($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#
243		356
244	# wait for lock, if any	357	# wait for lock, if any
245	while ($LOCK{$key}) {	358	while ($LOCK{$key}) {
246	push @{ $LOCK{$key} }, $Coro::current;	359	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;	360	Coro::schedule;
…		…
253		366
254	# wait, to be sure we are not locked	367	# wait, to be sure we are not locked
255	lock_wait $key;	368	lock_wait $key;
256		369
257	$LOCK{$key} = [];	370	$LOCK{$key} = [];
		371	$LOCKER{$key} = $Coro::current;#d#
258		372
259	Coro::guard {	373	Coro::guard {
		374	delete $LOCKER{$key};#d#
260	# wake up all waiters, to be on the safe side	375	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };	376	$_->ready for @{ delete $LOCK{$key} };
262	}	377	}
263	}	378	}
264		379
		380	sub lock_active($) {
		381	my ($key) = @_;
		382
		383	! ! $LOCK{$key}
		384	}
		385
265	sub freeze_mainloop {	386	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	387	tick_inhibit_inc;
267		388
268	my $guard = Coro::guard {	389	Coro::guard \&tick_inhibit_dec;
269	$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($$) {
		400	my ($interval, $cb) = @_;
		401
		402	my $start = rand List::Util::min 180, $interval;
		403
		404	EV::periodic $start, $interval, 0, $cb
		405	}
		406
		407	=item cf::get_slot $time[, $priority[, $name]]
		408
		409	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		410	This call blocks and returns only when you have at least C<$time> seconds
		411	of cpu time till the next tick. The slot is only valid till the next cede.
		412
		413	The optional C<$name> can be used to identify the job to run. It might be
		414	used for statistical purposes and should identify the same time-class.
		415
		416	Useful for short background jobs.
		417
		418	=cut
		419
		420	our @SLOT_QUEUE;
		421	our $SLOT_QUEUE;
		422
		423	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		424	$SLOT_QUEUE = Coro::async {
		425	$Coro::current->desc ("timeslot manager");
		426
		427	my $signal = new Coro::Signal;
		428
		429	while () {
		430	next_job:
		431	my $avail = cf::till_tick;
		432	if ($avail > 0.01) {
		433	for (0 .. $#SLOT_QUEUE) {
		434	if ($SLOT_QUEUE[$_][0] < $avail) {
		435	my $job = splice @SLOT_QUEUE, $_, 1, ();
		436	$job->[2]->send;
		437	Coro::cede;
		438	goto next_job;
		439	}
		440	}
		441	}
		442
		443	if (@SLOT_QUEUE) {
		444	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		445	push @cf::WAIT_FOR_TICK, $signal;
		446	$signal->wait;
		447	} else {
		448	Coro::schedule;
		449	}
270	};	450	}
271	$TICK_WATCHER->stop;	451	};
272	$guard	452
		453	sub get_slot($;$$) {
		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	$sig->wait;
273	}	465	}
274		466
275	=item cf::async { BLOCK }	467	=item cf::async { BLOCK }
276		468
277	Currently the same as Coro::async_pool, meaning you cannot use	469	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		474
283	BEGIN { *async = \&Coro::async_pool }	475	BEGIN { *async = \&Coro::async_pool }
284		476
285	=item cf::sync_job { BLOCK }	477	=item cf::sync_job { BLOCK }
286		478
287	The design of crossfire+ requires that the main coro ($Coro::main) is	479	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	480	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	481	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		482	acceptable.
290		483
291	If it must be done, put the blocking parts into C<sync_job>. This will run	484	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	485	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	486	server will be frozen during this time, so the block should either finish
294	fast or be very important.	487	fast or be very important.
…		…
297		490
298	sub sync_job(&) {	491	sub sync_job(&) {
299	my ($job) = @_;	492	my ($job) = @_;
300		493
301	if ($Coro::current == $Coro::main) {	494	if ($Coro::current == $Coro::main) {
		495	my $time = EV::time;
		496
302	# this is the main coro, too bad, we have to block	497	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	498	# till the operation succeeds, freezing the server :/
304		499
305	# TODO: use suspend/resume instead	500	LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	501
307	my $freeze_guard = freeze_mainloop;	502	my $freeze_guard = freeze_mainloop;
308		503
309	my $busy = 1;	504	my $busy = 1;
310	my @res;	505	my @res;
311		506
312	(async {	507	(async {
		508	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	509	@res = eval { $job->() };
314	warn $@ if $@;	510	warn $@ if $@;
315	undef $busy;	511	undef $busy;
316	})->prio (Coro::PRIO_MAX);	512	})->prio (Coro::PRIO_MAX);
317		513
318	while ($busy) {	514	while ($busy) {
319	Coro::cede or Event::one_event;	515	if (Coro::nready) {
		516	Coro::cede_notself;
		517	} else {
		518	EV::loop EV::LOOP_ONESHOT;
320	}	519	}
		520	}
		521
		522	my $time = EV::time - $time;
		523
		524	$TICK_START += $time; # do not account sync jobs to server load
321		525
322	wantarray ? @res : $res[0]	526	wantarray ? @res : $res[0]
323	} else {	527	} else {
324	# we are in another coroutine, how wonderful, everything just works	528	# we are in another coroutine, how wonderful, everything just works
325		529
…		…
345	$EXT_CORO{$coro+0} = $coro;	549	$EXT_CORO{$coro+0} = $coro;
346		550
347	$coro	551	$coro
348	}	552	}
349		553
350	sub write_runtime {	554	=item fork_call { }, $args
351	my $guard = cf::lock_acquire "write_runtime";
352		555
353	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.
354		560
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	561	=cut
356	or return;
357		562
358	my $value = $cf::RUNTIME + 90 + 10;	563	sub fork_call(&@) {
359	# 10 is the runtime save interval, for a monotonic clock	564	my ($cb, @args) = @_;
360	# 60 allows for the watchdog to kill the server.
361		565
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	566	# we seemingly have to make a local copy of the whole thing,
363	and return;	567	# otherwise perl prematurely frees the stuff :/
		568	# TODO: investigate and fix (likely this will be rather laborious)
364		569
365	# always fsync - this file is important	570	my @res = Coro::Util::fork_eval {
366	aio_fsync $fh	571	reset_signals;
367	and return;	572	&$cb
		573	}, @args;
368		574
369	close $fh	575	wantarray ? @res : $res[-1]
370	or return;	576	}
371		577
372	aio_rename "$runtime~", $runtime	578	=item $coin = coin_from_name $name
373	and return;
374		579
		580	=cut
		581
		582	our %coin_alias = (
		583	"silver" => "silvercoin",
		584	"silvercoin" => "silvercoin",
		585	"silvercoins" => "silvercoin",
		586	"gold" => "goldcoin",
		587	"goldcoin" => "goldcoin",
		588	"goldcoins" => "goldcoin",
		589	"platinum" => "platinacoin",
		590	"platinumcoin" => "platinacoin",
		591	"platinumcoins" => "platinacoin",
		592	"platina" => "platinacoin",
		593	"platinacoin" => "platinacoin",
		594	"platinacoins" => "platinacoin",
		595	"royalty" => "royalty",
		596	"royalties" => "royalty",
		597	);
		598
		599	sub coin_from_name($) {
		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($$) {
		647	my $key = "$_[0]/$_[1]";
		648
		649	cf::sync_job {
		650	BDB::db_get $DB, undef, $key, my $data;
		651
		652	$! ? ()
		653	: $data
375	1	654	}
		655	}
		656
		657	sub db_put($$$) {
		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"
376	}	730	}
377		731
378	=item cf::datalog type => key => value, ...	732	=item cf::datalog type => key => value, ...
379		733
380	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.
…		…
392		746
393	#############################################################################	747	#############################################################################
394		748
395	=head2 ATTACHABLE OBJECTS	749	=head2 ATTACHABLE OBJECTS
396		750
397	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
398	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")
399	to it. All such attachable objects support the following methods.	753	to it. All such attachable objects support the following methods.
400		754
401	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>
402	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
403	crossfire+).	757	Deliantra).
404		758
405	=over 4	759	=over 4
406		760
407	=item $attachable->attach ($attachment, key => $value...)	761	=item $attachable->attach ($attachment, key => $value...)
408		762
…		…
452	=item cf::CLASS::attachment $name, ...	806	=item cf::CLASS::attachment $name, ...
453		807
454	Register an attachment by C<$name> through which attachable objects of the	808	Register an attachment by C<$name> through which attachable objects of the
455	given CLASS can refer to this attachment.	809	given CLASS can refer to this attachment.
456		810
457	Some classes such as crossfire maps and objects can specify attachments	811	Some classes such as deliantra maps and objects can specify attachments
458	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.
459		813
460	These calls expect any number of the following handler/hook descriptions:	814	These calls expect any number of the following handler/hook descriptions:
461		815
462	=over 4	816	=over 4
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	925	$registry = $CB_TYPE[$object_type] ||= [];
572		926
573	} elsif ($type eq "subtype") {	927	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	928	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	929	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	930	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		931
578	} elsif ($type eq "package") {	932	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	933	my $pkg = shift @arg;
580		934
581	while (my ($name, $id) = each %cb_id) {	935	while (my ($name, $id) = each %cb_id) {
…		…
610	_attach $registry, $klass, @attach;	964	_attach $registry, $klass, @attach;
611	}	965	}
612		966
613	$obj->{$name} = \%arg;	967	$obj->{$name} = \%arg;
614	} else {	968	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	969	warn "object uses attachment '$name' which is not available, postponing.\n";
616	}	970	}
617		971
618	$obj->{_attachment}{$name} = undef;	972	$obj->{_attachment}{$name} = undef;
619	}	973	}
620		974
…		…
622	if (ref $_[0]) {	976	if (ref $_[0]) {
623	_object_attach @_;	977	_object_attach @_;
624	} else {	978	} else {
625	_attach shift->_attach_registry, @_;	979	_attach shift->_attach_registry, @_;
626	}	980	}
		981	_recalc_want;
627	};	982	};
628		983
629	# all those should be optimised	984	# all those should be optimised
630	sub cf::attachable::detach {	985	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	986	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	989	delete $obj->{_attachment}{$name};
635	reattach ($obj);	990	reattach ($obj);
636	} else {	991	} else {
637	Carp::croak "cannot, currently, detach class attachments";	992	Carp::croak "cannot, currently, detach class attachments";
638	}	993	}
		994	_recalc_want;
639	};	995	};
640		996
641	sub cf::attachable::attached {	997	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	998	my ($obj, $name) = @_;
643		999
…		…
658	";	1014	";
659	die if $@;	1015	die if $@;
660	}	1016	}
661		1017
662	our $override;	1018	our $override;
663	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?
664		1020
665	sub override {	1021	sub override {
666	$override = 1;	1022	$override = 1;
667	@invoke_results = ();	1023	@INVOKE_RESULTS = (@_);
668	}	1024	}
669		1025
670	sub do_invoke {	1026	sub do_invoke {
671	my $event = shift;	1027	my $event = shift;
672	my $callbacks = shift;	1028	my $callbacks = shift;
673		1029
674	@invoke_results = ();	1030	@INVOKE_RESULTS = ();
675		1031
676	local $override;	1032	local $override;
677		1033
678	for (@$callbacks) {	1034	for (@$callbacks) {
679	eval { &{$_->[1]} };	1035	eval { &{$_->[1]} };
…		…
688	}	1044	}
689		1045
690	0	1046	0
691	}	1047	}
692		1048
693	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1049	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
694		1050
695	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1051	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
696		1052
697	Generate an object-specific event with the given arguments.	1053	Generate an object-specific event with the given arguments.
698		1054
699	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
700	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
701	results (if you must, access C<@cf::invoke_results> directly).	1057	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		1058
703	=back	1059	=back
704		1060
705	=cut	1061	=cut
706		1062
707	#############################################################################	1063	#############################################################################
708	# 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, $ob2
		1106	}
709		1107
710	sub reattach {	1108	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	1109	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	1110	my ($obj) = @_;
713		1111
		1112	# no longer needed after getting rid of delete_package?
714	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
715		1114
716	my $registry = $obj->registry;	1115	my $registry = $obj->registry;
717		1116
718	@$registry = ();	1117	@$registry = ();
719		1118
…		…
734	cf::attachable->attach (	1133	cf::attachable->attach (
735	prio => -1000000,	1134	prio => -1000000,
736	on_instantiate => sub {	1135	on_instantiate => sub {
737	my ($obj, $data) = @_;	1136	my ($obj, $data) = @_;
738		1137
739	$data = from_json $data;	1138	$data = decode_json $data;
740		1139
741	for (@$data) {	1140	for (@$data) {
742	my ($name, $args) = @$_;	1141	my ($name, $args) = @$_;
743		1142
744	$obj->attach ($name, %{$args || {} });	1143	$obj->attach ($name, %{$args || {} });
…		…
760	sub object_freezer_save {	1159	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1160	my ($filename, $rdata, $objs) = @_;
762		1161
763	sync_job {	1162	sync_job {
764	if (length $$rdata) {	1163	if (length $$rdata) {
		1164	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1165	warn sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1166	$decname, length $$rdata, scalar @$objs;
767		1167
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1168	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1169	aio_chmod $fh, SAVE_MODE;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1170	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	aio_fsync $fh if $cf::USE_FSYNC;	1171	aio_fsync $fh if $cf::USE_FSYNC;
772	close $fh;	1172	aio_close $fh;
773		1173
774	if (@$objs) {	1174	if (@$objs) {
775	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) {
776	chmod SAVE_MODE, $fh;	1176	aio_chmod $fh, SAVE_MODE;
777	my $data = Storable::nfreeze { version => 1, objs => $objs };	1177	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
778	aio_write $fh, 0, (length $data), $data, 0;	1178	aio_write $fh, 0, (length $data), $data, 0;
779	aio_fsync $fh if $cf::USE_FSYNC;	1179	aio_fsync $fh if $cf::USE_FSYNC;
780	close $fh;	1180	aio_close $fh;
781	aio_rename "$filename.pst~", "$filename.pst";	1181	aio_rename "$filename.pst~", "$filename.pst";
782	}	1182	}
783	} else {	1183	} else {
784	aio_unlink "$filename.pst";	1184	aio_unlink "$filename.pst";
785	}	1185	}
…		…
790	}	1190	}
791	} else {	1191	} else {
792	aio_unlink $filename;	1192	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1193	aio_unlink "$filename.pst";
794	}	1194	}
795	}	1195	};
796	}	1196	}
797		1197
798	sub object_freezer_as_string {	1198	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1199	my ($rdata, $objs) = @_;
800		1200
…		…
812	or return;	1212	or return;
813		1213
814	unless (aio_stat "$filename.pst") {	1214	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1215	(aio_load "$filename.pst", $av) >= 0
816	or return;	1216	or return;
		1217
817	$av = eval { (Storable::thaw $av)->{objs} };	1218	my $st = eval { Coro::Storable::thaw $av };
		1219	$av = $st->{objs};
818	}	1220	}
819		1221
		1222	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1223	warn sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1224	$decname, length $data, scalar @{$av || []};
		1225
822	return ($data, $av);	1226	($data, $av)
823	}	1227	}
		1228
		1229	=head2 COMMAND CALLBACKS
		1230
		1231	=over 4
		1232
		1233	=cut
824		1234
825	#############################################################################	1235	#############################################################################
826	# command handling &c	1236	# command handling &c
827		1237
828	=item cf::register_command $name => \&callback($ob,$args);	1238	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1251	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1252	}
843		1253
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1254	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1255
846	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.
847		1261
848	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
849	called.	1263	called.
850		1264
		1265	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1266
		1267	Register a callback for execution when the client sends an (asynchronous)
		1268	exticmd packet. Exti commands are processed by the server as soon as they
		1269	are received, i.e. out of order w.r.t. other commands. The first argument
		1270	is a client socket. Exti commands can be received anytime, even before
		1271	log-in.
		1272
		1273	If the callback returns something, it is sent back as if reply was being
		1274	called.
		1275
851	=cut	1276	=cut
852		1277
853	sub register_extcmd {	1278	sub register_extcmd {
854	my ($name, $cb) = @_;	1279	my ($name, $cb) = @_;
855		1280
856	$EXTCMD{$name} = $cb;	1281	$EXTCMD{$name} = $cb;
		1282	}
		1283
		1284	sub register_exticmd {
		1285	my ($name, $cb) = @_;
		1286
		1287	$EXTICMD{$name} = $cb;
857	}	1288	}
858		1289
859	cf::player->attach (	1290	cf::player->attach (
860	on_command => sub {	1291	on_command => sub {
861	my ($pl, $name, $params) = @_;	1292	my ($pl, $name, $params) = @_;
…		…
870	cf::override;	1301	cf::override;
871	},	1302	},
872	on_extcmd => sub {	1303	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1304	my ($pl, $buf) = @_;
874		1305
875	my $msg = eval { from_json $buf };	1306	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1307
877	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
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1316	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1317	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1318	}
		1319
		1320	$pl->ext_reply ($reply, @reply)
		1321	if $reply;
		1322
883	} else {	1323	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1324	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1325	}
886		1326
887	cf::override;	1327	cf::override;
888	},	1328	},
889	);	1329	);
890		1330
891	sub load_extension {
892	my ($path) = @_;
893
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
895	my $base = $1;
896	my $pkg = $1;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}
919	die $@;
920	}
921
922	push @EXTS, $pkg;
923	}
924
925	sub load_extensions {	1331	sub load_extensions {
		1332	cf::sync_job {
		1333	my %todo;
		1334
926	for my $ext (<$LIBDIR/*.ext>) {	1335	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1336	next unless -r $path;
928	eval {	1337
929	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	$progress = 1;
930	1	1394	}
931	} or warn "$ext not loaded: $@";	1395
		1396	skip:
		1397	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1398	unless $progress;
		1399	}
932	}	1400	};
933	}	1401	}
934		1402
935	#############################################################################	1403	#############################################################################
936		1404
		1405	=back
		1406
937	=head2 CORE EXTENSIONS	1407	=head2 CORE EXTENSIONS
938		1408
939	Functions and methods that extend core crossfire objects.	1409	Functions and methods that extend core deliantra objects.
940		1410
941	=cut	1411	=cut
942		1412
943	package cf::player;	1413	package cf::player;
944		1414
…		…
946		1416
947	=head3 cf::player	1417	=head3 cf::player
948		1418
949	=over 4	1419	=over 4
950		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
951	=item cf::player::find $login	1435	=item cf::player::find $login
952		1436
953	Returns the given player object, loading it if necessary (might block).	1437	Returns the given player object, loading it if necessary (might block).
954		1438
955	=cut	1439	=cut
956		1440
957	sub playerdir($) {	1441	sub playerdir($) {
958	cf::localdir	1442	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1443	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1444	}
964		1445
965	sub path($) {	1446	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1447	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1448
968	(playerdir $login) . "/$login.pl"	1449	(playerdir $login) . "/playerdata"
969	}	1450	}
970		1451
971	sub find_active($) {	1452	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1453	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1454	and $cf::PLAYER{$_[0]}->active
…		…
986	my $login = $_[0];	1467	my $login = $_[0];
987		1468
988	my $guard = cf::lock_acquire "user_find:$login";	1469	my $guard = cf::lock_acquire "user_find:$login";
989		1470
990	$cf::PLAYER{$_[0]} || do {	1471	$cf::PLAYER{$_[0]} || do {
991	my $pl = load_pl path $login	1472	# rename old playerfiles to new ones
		1473	#TODO: remove when no longer required
		1474	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1475	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1476	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1477	aio_unlink +(playerdir $login) . "/$login.pl";
		1478
		1479	my $f = new_from_file cf::object::thawer path $login
992	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;
993	$cf::PLAYER{$login} = $pl	1487	$cf::PLAYER{$login} = $pl
994	}	1488	}
995	}	1489	}
996	}	1490	}
997		1491
…		…
1006	return if $pl->{deny_save};	1500	return if $pl->{deny_save};
1007		1501
1008	aio_mkdir playerdir $pl, 0770;	1502	aio_mkdir playerdir $pl, 0770;
1009	$pl->{last_save} = $cf::RUNTIME;	1503	$pl->{last_save} = $cf::RUNTIME;
1010		1504
		1505	cf::get_slot 0.01;
		1506
1011	$pl->save_pl ($path);	1507	$pl->save_pl ($path);
1012	Coro::cede;	1508	cf::cede_to_tick;
1013	}	1509	}
1014		1510
1015	sub new($) {	1511	sub new($) {
1016	my ($login) = @_;	1512	my ($login) = @_;
1017		1513
…		…
1023	$cf::PLAYER{$login} = $self;	1519	$cf::PLAYER{$login} = $self;
1024		1520
1025	$self	1521	$self
1026	}	1522	}
1027		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
1028	=item $pl->quit_character	1534	=item $pl->quit_character
1029		1535
1030	Nukes the player without looking back. If logged in, the connection will	1536	Nukes the player without looking back. If logged in, the connection will
1031	be destroyed. May block for a long time.	1537	be destroyed. May block for a long time.
1032		1538
…		…
1036	my ($pl) = @_;	1542	my ($pl) = @_;
1037		1543
1038	my $name = $pl->ob->name;	1544	my $name = $pl->ob->name;
1039		1545
1040	$pl->{deny_save} = 1;	1546	$pl->{deny_save} = 1;
1041	$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
1042		1548
1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1549	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1044	$pl->deactivate;	1550	$pl->deactivate;
		1551	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1552	$pl->ob->check_score;
1045	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1553	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1046	$pl->ns->destroy if $pl->ns;	1554	$pl->ns->destroy if $pl->ns;
1047		1555
1048	my $path = playerdir $pl;	1556	my $path = playerdir $pl;
1049	my $temp = "$path~$cf::RUNTIME~deleting~";	1557	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1079	while and may block, so not sync_job-capable, ever.	1587	while and may block, so not sync_job-capable, ever.
1080		1588
1081	=cut	1589	=cut
1082		1590
1083	sub list_logins {	1591	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1592	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1593	or return [];
1086		1594
1087	my @logins;	1595	my @logins;
1088		1596
1089	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") {
1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1603	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1091	aio_read $fh, 0, 512, my $buf, 0 or next;	1604	aio_read $fh, 0, 512, my $buf, 0 or next;
1092	$buf !~ /^password -------------$/m or next; # official not-valid tag	1605	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1606	}
1093		1607
1094	utf8::decode $login;	1608	utf8::decode $login;
1095	push @logins, $login;	1609	push @logins, $login;
1096	}	1610	}
1097		1611
…		…
1124	}	1638	}
1125		1639
1126	\@paths	1640	\@paths
1127	}	1641	}
1128		1642
		1643	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1644
		1645	Expand deliantra pod fragments into protocol xml.
		1646
1129	=item $player->ext_reply ($msgid, %msg)	1647	=item $player->ext_reply ($msgid, @msg)
1130		1648
1131	Sends an ext reply to the player.	1649	Sends an ext reply to the player.
1132		1650
1133	=cut	1651	=cut
1134		1652
1135	sub ext_reply($$%) {	1653	sub ext_reply($$@) {
1136	my ($self, $id, %msg) = @_;	1654	my ($self, $id, @msg) = @_;
1137		1655
1138	$msg{msgid} = $id;	1656	$self->ns->ext_reply ($id, @msg)
1139
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1657	}
1142		1658
1143	=item $player->ext_event ($type, %msg)	1659	=item $player->ext_msg ($type, @msg)
1144		1660
1145	Sends an ext event to the client.	1661	Sends an ext event to the client.
1146		1662
1147	=cut	1663	=cut
1148		1664
1149	sub ext_event($$%) {	1665	sub ext_msg($$@) {
1150	my ($self, $type, %msg) = @_;	1666	my ($self, $type, @msg) = @_;
1151		1667
1152	$self->ns->ext_event ($type, %msg);	1668	$self->ns->ext_msg ($type, @msg);
1153	}	1669	}
1154		1670
1155	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	}
1156		1699
1157	=back	1700	=back
1158
1159		1701
1160	=head3 cf::map	1702	=head3 cf::map
1161		1703
1162	=over 4	1704	=over 4
1163		1705
…		…
1175	our $MAX_RESET = 3600;	1717	our $MAX_RESET = 3600;
1176	our $DEFAULT_RESET = 3000;	1718	our $DEFAULT_RESET = 3000;
1177		1719
1178	sub generate_random_map {	1720	sub generate_random_map {
1179	my ($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
1180	# mit "rum" bekleckern, nicht	1725	# mit "rum" bekleckern, nicht
1181	$self->_create_random_map (	1726	$self->_create_random_map (
1182	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1727	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1183	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1728	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1184	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1729	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1218	my ($self, $merge) = @_;	1763	my ($self, $merge) = @_;
1219		1764
1220	# we have to keep some variables in memory intact	1765	# we have to keep some variables in memory intact
1221	local $self->{path};	1766	local $self->{path};
1222	local $self->{load_path};	1767	local $self->{load_path};
1223	local $self->{deny_save};
1224	local $self->{deny_reset};
1225		1768
1226	$self->SUPER::thawer_merge ($merge);	1769	$self->SUPER::thawer_merge ($merge);
1227	}	1770	}
1228		1771
1229	sub normalise {	1772	sub normalise {
…		…
1276	$self->init; # pass $1 etc.	1819	$self->init; # pass $1 etc.
1277	return $self;	1820	return $self;
1278	}	1821	}
1279	}	1822	}
1280		1823
1281	Carp::carp "unable to resolve path '$path' (base '$base').";	1824	Carp::cluck "unable to resolve path '$path' (base '$base').";
1282	()	1825	()
1283	}	1826	}
1284		1827
1285	sub init {	1828	sub init {
1286	my ($self) = @_;	1829	my ($self) = @_;
…		…
1301		1844
1302	# the original (read-only) location	1845	# the original (read-only) location
1303	sub load_path {	1846	sub load_path {
1304	my ($self) = @_;	1847	my ($self) = @_;
1305		1848
1306	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1849	"$MAPDIR/$self->{path}.map"
1307	}	1850	}
1308		1851
1309	# the temporary/swap location	1852	# the temporary/swap location
1310	sub save_path {	1853	sub save_path {
1311	my ($self) = @_;	1854	my ($self) = @_;
1312		1855
1313	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1856	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1314	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1857	"$TMPDIR/$path.map"
1315	}	1858	}
1316		1859
1317	# the unique path, undef == no special unique path	1860	# the unique path, undef == no special unique path
1318	sub uniq_path {	1861	sub uniq_path {
1319	my ($self) = @_;	1862	my ($self) = @_;
1320		1863
1321	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1864	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1322	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1865	"$UNIQUEDIR/$path"
1323	}	1866	}
1324		1867
1325	# and all this just because we cannot iterate over	1868	# and all this just because we cannot iterate over
1326	# all maps in C++...	1869	# all maps in C++...
1327	sub change_all_map_light {	1870	sub change_all_map_light {
…		…
1329		1872
1330	$_->change_map_light ($change)	1873	$_->change_map_light ($change)
1331	for grep $_->outdoor, values %cf::MAP;	1874	for grep $_->outdoor, values %cf::MAP;
1332	}	1875	}
1333		1876
		1877	sub decay_objects {
		1878	my ($self) = @_;
		1879
		1880	return if $self->{deny_reset};
		1881
		1882	$self->do_decay_objects;
		1883	}
		1884
1334	sub unlink_save {	1885	sub unlink_save {
1335	my ($self) = @_;	1886	my ($self) = @_;
1336		1887
1337	utf8::encode (my $save = $self->save_path);	1888	utf8::encode (my $save = $self->save_path);
1338	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1889	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1341		1892
1342	sub load_header_from($) {	1893	sub load_header_from($) {
1343	my ($self, $path) = @_;	1894	my ($self, $path) = @_;
1344		1895
1345	utf8::encode $path;	1896	utf8::encode $path;
1346	#aio_open $path, O_RDONLY, 0	1897	my $f = new_from_file cf::object::thawer $path
1347	# or return;
1348
1349	$self->_load_header ($path)
1350	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;
1351		1905
1352	$self->{load_path} = $path;	1906	$self->{load_path} = $path;
1353		1907
1354	1	1908	1
1355	}	1909	}
…		…
1394	$self->load_header_orig	1948	$self->load_header_orig
1395	or return;	1949	or return;
1396	$self->prepare_orig;	1950	$self->prepare_orig;
1397	}	1951	}
1398		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 $self->default_region;
		1958
1399	1	1959	1
1400	}	1960	}
1401		1961
1402	sub find;	1962	sub find;
1403	sub find {	1963	sub find {
1404	my ($path, $origin) = @_;	1964	my ($path, $origin) = @_;
1405		1965
1406	$path = normalise $path, $origin && $origin->path;	1966	$path = normalise $path, $origin && $origin->path;
1407		1967
		1968	cf::lock_wait "map_data:$path";#d#remove
1408	cf::lock_wait "map_find:$path";	1969	cf::lock_wait "map_find:$path";
1409		1970
1410	$cf::MAP{$path} || do {	1971	$cf::MAP{$path} || do {
		1972	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1411	my $guard = cf::lock_acquire "map_find:$path";	1973	my $guard2 = cf::lock_acquire "map_find:$path";
		1974
1412	my $map = new_from_path cf::map $path	1975	my $map = new_from_path cf::map $path
1413	or return;	1976	or return;
1414		1977
1415	$map->{last_save} = $cf::RUNTIME;	1978	$map->{last_save} = $cf::RUNTIME;
1416		1979
1417	$map->load_header	1980	$map->load_header
1418	or return;	1981	or return;
1419		1982
1420	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1983	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1421	# doing this can freeze the server in a sync job, obviously	1984	# doing this can freeze the server in a sync job, obviously
1422	#$cf::WAIT_FOR_TICK->wait;	1985	#$cf::WAIT_FOR_TICK->wait;
		1986	undef $guard2;
		1987	undef $guard1;
1423	$map->reset;	1988	$map->reset;
1424	undef $guard;
1425	return find $path;	1989	return find $path;
1426	}	1990	}
1427		1991
1428	$cf::MAP{$path} = $map	1992	$cf::MAP{$path} = $map
1429	}	1993	}
…		…
1436	my ($self) = @_;	2000	my ($self) = @_;
1437		2001
1438	local $self->{deny_reset} = 1; # loading can take a long time	2002	local $self->{deny_reset} = 1; # loading can take a long time
1439		2003
1440	my $path = $self->{path};	2004	my $path = $self->{path};
		2005
		2006	{
1441	my $guard = cf::lock_acquire "map_load:$path";	2007	my $guard = cf::lock_acquire "map_data:$path";
1442		2008
		2009	return unless $self->valid;
1443	return if $self->in_memory != cf::MAP_SWAPPED;	2010	return unless $self->in_memory == cf::MAP_SWAPPED;
1444		2011
1445	$self->in_memory (cf::MAP_LOADING);	2012	$self->in_memory (cf::MAP_LOADING);
1446		2013
1447	$self->alloc;	2014	$self->alloc;
1448		2015
1449	$self->pre_load;	2016	$self->pre_load;
		2017	cf::cede_to_tick;
1450		2018
1451	$self->_load_objects ($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)
1452	or return;	2022	or return;
1453		2023
1454	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2024	$self->post_load_original
1455	if delete $self->{load_original};	2025	if delete $self->{load_original};
1456		2026
1457	if (my $uniq = $self->uniq_path) {	2027	if (my $uniq = $self->uniq_path) {
1458	utf8::encode $uniq;	2028	utf8::encode $uniq;
1459	if (aio_open $uniq, O_RDONLY, 0) {	2029	unless (aio_stat $uniq) {
		2030	if (my $f = new_from_file cf::object::thawer $uniq) {
1460	$self->clear_unique_items;	2031	$self->clear_unique_items;
1461	$self->_load_objects ($uniq, 0);	2032	$self->_load_objects ($f);
		2033	$f->resolve_delayed_derefs;
		2034	}
1462	}	2035	}
1463	}	2036	}
1464		2037
1465	Coro::cede;	2038	$f->resolve_delayed_derefs;
1466		2039
		2040	cf::cede_to_tick;
1467	# now do the right thing for maps	2041	# now do the right thing for maps
1468	$self->link_multipart_objects;	2042	$self->link_multipart_objects;
1469
1470	unless ($self->{deny_activate}) {
1471	$self->decay_objects;
1472	$self->fix_auto_apply;
1473	$self->update_buttons;
1474	Coro::cede;
1475	$self->set_darkness_map;
1476	$self->difficulty ($self->estimate_difficulty)	2043	$self->difficulty ($self->estimate_difficulty)
1477	unless $self->difficulty;	2044	unless $self->difficulty;
1478	Coro::cede;	2045	cf::cede_to_tick;
		2046
		2047	unless ($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;
1479	$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);
1480	}	2061	}
1481		2062
1482	$self->post_load;	2063	$self->post_load;
1483
1484	$self->in_memory (cf::MAP_IN_MEMORY);
1485	}	2064	}
1486		2065
1487	sub customise_for {	2066	sub customise_for {
1488	my ($self, $ob) = @_;	2067	my ($self, $ob) = @_;
1489		2068
1490	return find "~" . $ob->name . "/" . $self->{path}	2069	return find "~" . $ob->name . "/" . $self->{path}
1491	if $self->per_player;	2070	if $self->per_player;
1492		2071
		2072	# return find "?party/" . $ob->name . "/" . $self->{path}
		2073	# if $self->per_party;
		2074
1493	$self	2075	$self
1494	}	2076	}
1495		2077
1496	# find and load all maps in the 3x3 area around a map	2078	# find and load all maps in the 3x3 area around a map
1497	sub load_diag {	2079	sub load_neighbours {
1498	my ($map) = @_;	2080	my ($map) = @_;
1499		2081
1500	my @diag; # diagonal neighbours	2082	my @neigh; # diagonal neighbours
1501		2083
1502	for (0 .. 3) {	2084	for (0 .. 3) {
1503	my $neigh = $map->tile_path ($_)	2085	my $neigh = $map->tile_path ($_)
1504	or next;	2086	or next;
1505	$neigh = find $neigh, $map	2087	$neigh = find $neigh, $map
1506	or next;	2088	or next;
1507	$neigh->load;	2089	$neigh->load;
1508		2090
		2091	push @neigh,
1509	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2092	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1510	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2093	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1511	}	2094	}
1512		2095
1513	for (@diag) {	2096	for (grep defined $_->[0], @neigh) {
		2097	my ($path, $origin) = @$_;
1514	my $neigh = find @$_	2098	my $neigh = find $path, $origin
1515	or next;	2099	or next;
1516	$neigh->load;	2100	$neigh->load;
1517	}	2101	}
1518	}	2102	}
1519		2103
…		…
1524	}	2108	}
1525		2109
1526	sub do_load_sync {	2110	sub do_load_sync {
1527	my ($map) = @_;	2111	my ($map) = @_;
1528		2112
		2113	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2114	if $Coro::current == $Coro::main;
		2115
1529	cf::sync_job { $map->load };	2116	cf::sync_job { $map->load };
1530	}	2117	}
1531		2118
1532	our %MAP_PREFETCH;	2119	our %MAP_PREFETCH;
1533	our $MAP_PREFETCHER = undef;	2120	our $MAP_PREFETCHER = undef;
1534		2121
1535	sub find_async {	2122	sub find_async {
1536	my ($path, $origin) = @_;	2123	my ($path, $origin, $load) = @_;
1537		2124
1538	$path = normalise $path, $origin && $origin->{path};	2125	$path = normalise $path, $origin && $origin->{path};
1539		2126
1540	if (my $map = $cf::MAP{$path}) {	2127	if (my $map = $cf::MAP{$path}) {
1541	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2128	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1542	}	2129	}
1543		2130
1544	undef $MAP_PREFETCH{$path};	2131	$MAP_PREFETCH{$path} |= $load;
		2132
1545	$MAP_PREFETCHER ||= cf::async {	2133	$MAP_PREFETCHER ||= cf::async {
		2134	$Coro::current->{desc} = "map prefetcher";
		2135
1546	while (%MAP_PREFETCH) {	2136	while (%MAP_PREFETCH) {
1547	for my $path (keys %MAP_PREFETCH) {	2137	while (my ($k, $v) = each %MAP_PREFETCH) {
1548	my $map = find $path	2138	if (my $map = find $k) {
1549	or next;
1550	$map->load;	2139	$map->load if $v;
		2140	}
1551		2141
1552	delete $MAP_PREFETCH{$path};	2142	delete $MAP_PREFETCH{$k};
1553	}	2143	}
1554	}	2144	}
1555	undef $MAP_PREFETCHER;	2145	undef $MAP_PREFETCHER;
1556	};	2146	};
1557	$MAP_PREFETCHER->prio (6);	2147	$MAP_PREFETCHER->prio (6);
…		…
1560	}	2150	}
1561		2151
1562	sub save {	2152	sub save {
1563	my ($self) = @_;	2153	my ($self) = @_;
1564		2154
1565	my $lock = cf::lock_acquire "map_data:" . $self->path;	2155	my $lock = cf::lock_acquire "map_data:$self->{path}";
1566		2156
1567	$self->{last_save} = $cf::RUNTIME;	2157	$self->{last_save} = $cf::RUNTIME;
1568		2158
1569	return unless $self->dirty;	2159	return unless $self->dirty;
1570		2160
…		…
1576	return if $self->{deny_save};	2166	return if $self->{deny_save};
1577		2167
1578	local $self->{last_access} = $self->last_access;#d#	2168	local $self->{last_access} = $self->last_access;#d#
1579		2169
1580	cf::async {	2170	cf::async {
		2171	$Coro::current->{desc} = "map player save";
1581	$_->contr->save for $self->players;	2172	$_->contr->save for $self->players;
1582	};	2173	};
		2174
		2175	cf::get_slot 0.02;
1583		2176
1584	if ($uniq) {	2177	if ($uniq) {
1585	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2178	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1586	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2179	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1587	} else {	2180	} else {
…		…
1593	my ($self) = @_;	2186	my ($self) = @_;
1594		2187
1595	# save first because save cedes	2188	# save first because save cedes
1596	$self->save;	2189	$self->save;
1597		2190
1598	my $lock = cf::lock_acquire "map_data:" . $self->path;	2191	my $lock = cf::lock_acquire "map_data:$self->{path}";
1599		2192
1600	return if $self->players;	2193	return if $self->players;
1601	return if $self->in_memory != cf::MAP_IN_MEMORY;	2194	return if $self->in_memory != cf::MAP_ACTIVE;
1602	return if $self->{deny_save};	2195	return if $self->{deny_save};
1603		2196
		2197	$self->in_memory (cf::MAP_SWAPPED);
		2198
		2199	$self->deactivate;
		2200	$_->clear_links_to ($self) for values %cf::MAP;
1604	$self->clear;	2201	$self->clear;
1605	$self->in_memory (cf::MAP_SWAPPED);
1606	}	2202	}
1607		2203
1608	sub reset_at {	2204	sub reset_at {
1609	my ($self) = @_;	2205	my ($self) = @_;
1610		2206
1611	# TODO: safety, remove and allow resettable per-player maps	2207	# TODO: safety, remove and allow resettable per-player maps
1612	return 1e99 if $self->isa ("ext::map_per_player");#d#
1613	return 1e99 if $self->{deny_reset};	2208	return 1e99 if $self->{deny_reset};
1614		2209
1615	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2210	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1616	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2211	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1617		2212
…		…
1628	my ($self) = @_;	2223	my ($self) = @_;
1629		2224
1630	my $lock = cf::lock_acquire "map_data:$self->{path}";	2225	my $lock = cf::lock_acquire "map_data:$self->{path}";
1631		2226
1632	return if $self->players;	2227	return if $self->players;
1633	return if $self->isa ("ext::map_per_player");#d#
1634		2228
1635	warn "resetting map ", $self->path;#d#	2229	warn "resetting map ", $self->path;
1636		2230
1637	$self->in_memory (cf::MAP_SWAPPED);	2231	$self->in_memory (cf::MAP_SWAPPED);
1638		2232
1639	# need to save uniques path	2233	# need to save uniques path
1640	unless ($self->{deny_save}) {	2234	unless ($self->{deny_save}) {
…		…
1644	if $uniq;	2238	if $uniq;
1645	}	2239	}
1646		2240
1647	delete $cf::MAP{$self->path};	2241	delete $cf::MAP{$self->path};
1648		2242
		2243	$self->deactivate;
		2244	$_->clear_links_to ($self) for values %cf::MAP;
1649	$self->clear;	2245	$self->clear;
1650
1651	$_->clear_links_to ($self) for values %cf::MAP;
1652		2246
1653	$self->unlink_save;	2247	$self->unlink_save;
1654	$self->destroy;	2248	$self->destroy;
1655	}	2249	}
1656		2250
1657	my $nuke_counter = "aaaa";	2251	my $nuke_counter = "aaaa";
1658		2252
1659	sub nuke {	2253	sub nuke {
1660	my ($self) = @_;	2254	my ($self) = @_;
1661		2255
		2256	{
		2257	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2258
1662	delete $cf::MAP{$self->path};	2259	delete $cf::MAP{$self->path};
1663		2260
1664	$self->unlink_save;	2261	$self->unlink_save;
1665		2262
1666	bless $self, "cf::map";	2263	bless $self, "cf::map";
1667	delete $self->{deny_reset};	2264	delete $self->{deny_reset};
1668	$self->{deny_save} = 1;	2265	$self->{deny_save} = 1;
1669	$self->reset_timeout (1);	2266	$self->reset_timeout (1);
1670	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2267	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1671		2268
1672	$cf::MAP{$self->path} = $self;	2269	$cf::MAP{$self->path} = $self;
		2270	}
1673		2271
1674	$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	]
1675	}	2309	}
1676		2310
1677	=item cf::map::unique_maps	2311	=item cf::map::unique_maps
1678		2312
1679	Returns an arrayref of paths of all shared maps that have	2313	Returns an arrayref of paths of all shared maps that have
1680	instantiated unique items. May block.	2314	instantiated unique items. May block.
1681		2315
1682	=cut	2316	=cut
1683		2317
1684	sub unique_maps() {	2318	sub unique_maps() {
1685	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2319	[
1686	or return;	2320	map {
1687
1688	my @paths;
1689
1690	for (@$files) {
1691	utf8::decode $_;	2321	utf8::decode $_;
1692	next if /\.pst$/;	2322	s/\.map$//; # TODO future compatibility hack
1693	next unless /^$PATH_SEP/o;	2323	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1694		2324	? ()
1695	push @paths, cf::map::normalise $_;	2325	: normalise $_
		2326	} @{ aio_readdir $UNIQUEDIR or [] }
1696	}	2327	]
1697
1698	\@paths
1699	}	2328	}
1700
1701	package cf;
1702		2329
1703	=back	2330	=back
1704		2331
1705	=head3 cf::object	2332	=head3 cf::object
1706		2333
…		…
1710		2337
1711	=over 4	2338	=over 4
1712		2339
1713	=item $ob->inv_recursive	2340	=item $ob->inv_recursive
1714		2341
1715	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.
1716		2344
1717	=cut	2345	=cut
1718		2346
1719	sub inv_recursive_;	2347	sub inv_recursive_;
1720	sub inv_recursive_ {	2348	sub inv_recursive_ {
…		…
1723		2351
1724	sub inv_recursive {	2352	sub inv_recursive {
1725	inv_recursive_ inv $_[0]	2353	inv_recursive_ inv $_[0]
1726	}	2354	}
1727		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
1728	package cf;	2384	package cf;
1729		2385
1730	=back	2386	=back
1731		2387
1732	=head3 cf::object::player	2388	=head3 cf::object::player
…		…
1738	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>
1739	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
1740	dialogue with the given NPC character.	2396	dialogue with the given NPC character.
1741		2397
1742	=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	};
1743		2413
1744	# rough implementation of a future "reply" method that works	2414	# rough implementation of a future "reply" method that works
1745	# with dialog boxes.	2415	# with dialog boxes.
1746	#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
1747	sub cf::object::player::reply($$$;$) {	2417	sub cf::object::player::reply($$$;$) {
…		…
1749		2419
1750	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2420	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1751		2421
1752	if ($self->{record_replies}) {	2422	if ($self->{record_replies}) {
1753	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2423	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2424
1754	} 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 {
1755	$msg = $npc->name . " says: $msg" if $npc;	2433	$msg = $npc->name . " says: $msg" if $npc;
1756	$self->message ($msg, $flags);	2434	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2435	}
1757	}	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 (@_);
1758	}	2447	}
1759		2448
1760	=item $player_object->may ("access")	2449	=item $player_object->may ("access")
1761		2450
1762	Returns wether the given player is authorized to access resource "access"	2451	Returns wether the given player is authorized to access resource "access"
…		…
1775		2464
1776	=item $player_object->enter_link	2465	=item $player_object->enter_link
1777		2466
1778	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}>).
1779		2468
1780	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.
1781	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.
1782		2473
1783	Will never block.	2474	Will never block.
1784		2475
1785	=item $player_object->leave_link ($map, $x, $y)	2476	=item $player_object->leave_link ($map, $x, $y)
1786		2477
…		…
1809	$self->deactivate_recursive;	2500	$self->deactivate_recursive;
1810		2501
1811	return if UNIVERSAL::isa $self->map, "ext::map_link";	2502	return if UNIVERSAL::isa $self->map, "ext::map_link";
1812		2503
1813	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2504	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1814	if $self->map;	2505	if $self->map && $self->map->{path} ne "{link}";
1815		2506
1816	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2507	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1817	}	2508	}
1818		2509
1819	sub cf::object::player::leave_link {	2510	sub cf::object::player::leave_link {
1820	my ($self, $map, $x, $y) = @_;	2511	my ($self, $map, $x, $y) = @_;
		2512
		2513	return unless $self->contr->active;
1821		2514
1822	my $link_pos = delete $self->{_link_pos};	2515	my $link_pos = delete $self->{_link_pos};
1823		2516
1824	unless ($map) {	2517	unless ($map) {
1825	# restore original map position	2518	# restore original map position
…		…
1839	# use -1 or undef as default coordinates, not 0, 0	2532	# use -1 or undef as default coordinates, not 0, 0
1840	($x, $y) = ($map->enter_x, $map->enter_y)	2533	($x, $y) = ($map->enter_x, $map->enter_y)
1841	if $x <=0 && $y <= 0;	2534	if $x <=0 && $y <= 0;
1842		2535
1843	$map->load;	2536	$map->load;
1844	$map->load_diag;	2537	$map->load_neighbours;
1845		2538
1846	return unless $self->contr->active;	2539	return unless $self->contr->active;
		2540	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1847	$self->activate_recursive;	2541	$self->activate_recursive;
1848		2542
1849	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2543	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1850	$self->enter_map ($map, $x, $y);	2544	$self->enter_map ($map, $x, $y);
1851	}	2545	}
1852		2546
1853	cf::player->attach (	2547	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1854	on_logout => sub {
1855	my ($pl) = @_;
1856		2548
1857	# abort map switching before logout	2549	Moves the player to the given map-path and coordinates by first freezing
1858	if ($pl->ob->{_link_pos}) {	2550	her, loading and preparing them map, calling the provided $check callback
1859	cf::sync_job {	2551	that has to return the map if sucecssful, and then unfreezes the player on
1860	$pl->ob->leave_link	2552	the new (success) or old (failed) map position. In either case, $done will
1861	};	2553	be called at the end of this process.
1862	}
1863	},
1864	on_login => sub {
1865	my ($pl) = @_;
1866		2554
1867	# try to abort aborted map switching on player login :)	2555	Note that $check will be called with a potentially non-loaded map, so if
1868	# should happen only on crashes	2556	it needs a loaded map it has to call C<< ->load >>.
1869	if ($pl->ob->{_link_pos}) {
1870	$pl->ob->enter_link;
1871	(async {
1872	$pl->ob->reply (undef,
1873	"There was an internal problem at your last logout, "
1874	. "the server will try to bring you to your intended destination in a second.",
1875	cf::NDI_RED);
1876	# we need this sleep as the login has a concurrent enter_exit running
1877	# and this sleep increases chances of the player not ending up in scorn
1878	Coro::Timer::sleep 1;
1879	$pl->ob->leave_link;
1880	})->prio (2);
1881	}
1882	},
1883	);
1884		2557
1885	=item $player_object->goto ($path, $x, $y)
1886
1887	=cut	2558	=cut
		2559
		2560	our $GOTOGEN;
1888		2561
1889	sub cf::object::player::goto {	2562	sub cf::object::player::goto {
1890	my ($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;
1891		2567
1892	$self->enter_link;	2568	$self->enter_link;
1893		2569
1894	(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
1895	my $map = eval {	2592	my $map = eval {
1896	my $map = cf::map::find $path;	2593	my $map = defined $path ? cf::map::find $path : undef;
		2594
		2595	if ($map) {
1897	$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
1898	$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 $@;
1899	} or	2608	}
1900	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1901		2609
		2610	if ($gen == $self->{_goto_generation}) {
		2611	delete $self->{_goto_generation};
1902	$self->leave_link ($map, $x, $y);	2612	$self->leave_link ($map, $x, $y);
		2613	}
		2614
		2615	$done->() if $done;
1903	})->prio (1);	2616	})->prio (1);
1904	}	2617	}
1905		2618
1906	=item $player_object->enter_exit ($exit_object)	2619	=item $player_object->enter_exit ($exit_object)
1907		2620
…		…
1927	}	2640	}
1928		2641
1929	sub prepare_random_map {	2642	sub prepare_random_map {
1930	my ($exit) = @_;	2643	my ($exit) = @_;
1931		2644
1932	my $guard = cf::lock_acquire "exit_prepare:$exit";
1933
1934	# all this does is basically replace the /! path by	2645	# all this does is basically replace the /! path by
1935	# a new random map path (?random/...) with a seed	2646	# a new random map path (?random/...) with a seed
1936	# that depends on the exit object	2647	# that depends on the exit object
1937		2648
1938	my $rmp = parse_random_map_params $exit->msg;	2649	my $rmp = parse_random_map_params $exit->msg;
…		…
1940	if ($exit->map) {	2651	if ($exit->map) {
1941	$rmp->{region} = $exit->region->name;	2652	$rmp->{region} = $exit->region->name;
1942	$rmp->{origin_map} = $exit->map->path;	2653	$rmp->{origin_map} = $exit->map->path;
1943	$rmp->{origin_x} = $exit->x;	2654	$rmp->{origin_x} = $exit->x;
1944	$rmp->{origin_y} = $exit->y;	2655	$rmp->{origin_y} = $exit->y;
		2656
		2657	$exit->map->touch;
1945	}	2658	}
1946		2659
1947	$rmp->{random_seed} ||= $exit->random_seed;	2660	$rmp->{random_seed} ||= $exit->random_seed;
1948		2661
1949	my $data = cf::to_json $rmp;	2662	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1950	my $md5 = Digest::MD5::md5_hex $data;	2663	my $md5 = Digest::MD5::md5_hex $data;
1951	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2664	my $meta = "$RANDOMDIR/$md5.meta";
1952		2665
1953	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2666	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1954	aio_write $fh, 0, (length $data), $data, 0;	2667	aio_write $fh, 0, (length $data), $data, 0;
1955	undef $fh;	2668	undef $fh;
1956	aio_rename "$meta~", $meta;	2669	aio_rename "$meta~", $meta;
1957		2670
		2671	my $slaying = "?random/$md5";
		2672
		2673	if ($exit->valid) {
1958	$exit->slaying ("?random/$md5");	2674	$exit->slaying ("?random/$md5");
1959	$exit->msg (undef);	2675	$exit->msg (undef);
		2676	}
1960	}	2677	}
1961	}	2678	}
1962		2679
1963	sub cf::object::player::enter_exit {	2680	sub cf::object::player::enter_exit {
1964	my ($self, $exit) = @_;	2681	my ($self, $exit) = @_;
1965		2682
1966	return unless $self->type == cf::PLAYER;	2683	return unless $self->type == cf::PLAYER;
1967		2684
1968	if ($exit->slaying eq "/!") {
1969	#TODO: this should de-fi-ni-te-ly not be a sync-job
1970	cf::sync_job { prepare_random_map $exit };
1971	}
1972
1973	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1974	my $hp = $exit->stats->hp;
1975	my $sp = $exit->stats->sp;
1976
1977	$self->enter_link;	2685	$self->enter_link;
1978		2686
1979	(async {	2687	(async {
1980	$self->deactivate_recursive; # just to be sure	2688	$Coro::current->{desc} = "enter_exit";
		2689
1981	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
1982	$self->goto ($slaying, $hp, $sp);	2705	$self->goto ($map, $x, $y);
1983		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
1984	1;	2711	1
1985	}) {	2712	}) {
1986	$self->message ("Something went wrong deep within the crossfire server. "	2713	$self->message ("Something went wrong deep within the deliantra server. "
1987	. "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. "
1988	. "Please report this to the dungeon master!",	2715	. "Please report this to the dungeon master!",
1989	cf::NDI_UNIQUE | cf::NDI_RED);	2716	cf::NDI_UNIQUE | cf::NDI_RED);
1990		2717
1991	warn "ERROR in enter_exit: $@";	2718	warn "ERROR in enter_exit: $@";
1992	$self->leave_link;	2719	$self->leave_link;
1993	}	2720	}
1994	})->prio (1);	2721	})->prio (1);
…		…
2010		2737
2011	utf8::encode $text;	2738	utf8::encode $text;
2012	$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);
2013	}	2740	}
2014		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
2015	=item $client->ext_event ($type, %msg)	2887	=item $client->ext_msg ($type, @msg)
2016		2888
2017	Sends an exti event to the client.	2889	Sends an ext event to the client.
2018		2890
2019	=cut	2891	=cut
2020		2892
2021	sub cf::client::ext_event($$%) {	2893	sub cf::client::ext_msg($$@) {
2022	my ($self, $type, %msg) = @_;	2894	my ($self, $type, @msg) = @_;
2023		2895
		2896	if ($self->extcmd == 2) {
		2897	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2898	} elsif ($self->extcmd == 1) { # TODO: remove
2024	$msg{msgtype} = "event_$type";	2899	push @msg, msgtype => "event_$type";
2025	$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	}
2026	}	2920	}
2027		2921
2028	=item $success = $client->query ($flags, "text", \&cb)	2922	=item $success = $client->query ($flags, "text", \&cb)
2029		2923
2030	Queues a query to the client, calling the given callback with	2924	Queues a query to the client, calling the given callback with
2031	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>,
2032	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>.
2033		2927
2034	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
2035	reliable at some point in the future.	2929	become reliable at some point in the future.
2036		2930
2037	=cut	2931	=cut
2038		2932
2039	sub cf::client::query {	2933	sub cf::client::query {
2040	my ($self, $flags, $text, $cb) = @_;	2934	my ($self, $flags, $text, $cb) = @_;
…		…
2048	utf8::encode $text;	2942	utf8::encode $text;
2049	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2943	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2050		2944
2051	$self->send_packet ($self->{query_queue}[0][0])	2945	$self->send_packet ($self->{query_queue}[0][0])
2052	if @{ $self->{query_queue} } == 1;	2946	if @{ $self->{query_queue} } == 1;
		2947
		2948	1
2053	}	2949	}
2054		2950
2055	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	},
2056	on_reply => sub {	2957	on_reply => sub {
2057	my ($ns, $msg) = @_;	2958	my ($ns, $msg) = @_;
2058		2959
2059	# this weird shuffling is so that direct followup queries	2960	# this weird shuffling is so that direct followup queries
2060	# get handled first	2961	# get handled first
…		…
2072	} else {	2973	} else {
2073	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2974	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2074	}	2975	}
2075	}	2976	}
2076	},	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	},
2077	);	3004	);
2078		3005
2079	=item $client->async (\&cb)	3006	=item $client->async (\&cb)
2080		3007
2081	Create a new coroutine, running the specified callback. The coroutine will	3008	Create a new coroutine, running the specified callback. The coroutine will
…		…
2122	our $safe = new Safe "safe";	3049	our $safe = new Safe "safe";
2123	our $safe_hole = new Safe::Hole;	3050	our $safe_hole = new Safe::Hole;
2124		3051
2125	$SIG{FPE} = 'IGNORE';	3052	$SIG{FPE} = 'IGNORE';
2126		3053
2127	$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	));
2128		3059
2129	# here we export the classes and methods available to script code	3060	# here we export the classes and methods available to script code
2130		3061
2131	=pod	3062	=pod
2132		3063
2133	The following functions and methods are available within a safe environment:	3064	The following functions and methods are available within a safe environment:
2134		3065
2135	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
2136	cf::object::player player	3070	cf::object::player
2137	cf::player peaceful	3071	player
2138	cf::map trigger	3072
		3073	cf::player
		3074	peaceful
		3075
		3076	cf::map
		3077	trigger
2139		3078
2140	=cut	3079	=cut
2141		3080
2142	for (	3081	for (
2143	["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)],
2144	["cf::object::player" => qw(player)],	3085	["cf::object::player" => qw(player)],
2145	["cf::player" => qw(peaceful)],	3086	["cf::player" => qw(peaceful)],
2146	["cf::map" => qw(trigger)],	3087	["cf::map" => qw(trigger)],
2147	) {	3088	) {
2148	no strict 'refs';	3089	no strict 'refs';
…		…
2219	=back	3160	=back
2220		3161
2221	=cut	3162	=cut
2222		3163
2223	#############################################################################	3164	#############################################################################
2224
2225	=head2 EXTENSION DATABASE SUPPORT
2226
2227	Crossfire maintains a very simple database for extension use. It can
2228	currently store anything that can be serialised using Storable, which
2229	excludes objects.
2230
2231	The parameter C<$family> should best start with the name of the extension
2232	using it, it should be unique.
2233
2234	=over 4
2235
2236	=item $value = cf::db_get $family => $key
2237
2238	Returns a single value from the database.
2239
2240	=item cf::db_put $family => $key => $value
2241
2242	Stores the given C<$value> in the family.
2243
2244	=cut
2245
2246	our $DB;
2247
2248	sub db_init {
2249	unless ($DB) {
2250	$DB = BDB::db_create $DB_ENV;
2251
2252	cf::sync_job {
2253	eval {
2254	$DB->set_flags (BDB::CHKSUM);
2255
2256	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2257	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2258	cf::cleanup "db_open(db): $!" if $!;
2259	};
2260	cf::cleanup "db_open(db): $@" if $@;
2261	};
2262
2263	my $path = cf::localdir . "/database.pst";
2264	if (stat $path) {
2265	cf::sync_job {
2266	my $pst = Storable::retrieve $path;
2267
2268	cf::db_put (board => data => $pst->{board});
2269	cf::db_put (guildrules => data => $pst->{guildrules});
2270	cf::db_put (rent => balance => $pst->{rent}{balance});
2271	BDB::db_env_txn_checkpoint $DB_ENV;
2272
2273	unlink $path;
2274	};
2275	}
2276	}
2277	}
2278
2279	sub db_get($$) {
2280	my $key = "$_[0]/$_[1]";
2281
2282	cf::sync_job {
2283	BDB::db_get $DB, undef, $key, my $data;
2284
2285	$! ? ()
2286	: Compress::LZF::sthaw $data
2287	}
2288	}
2289
2290	sub db_put($$$) {
2291	BDB::dbreq_pri 4;
2292	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2293	}
2294
2295	#############################################################################
2296	# the server's init and main functions	3165	# the server's init and main functions
2297		3166
2298	sub load_facedata {	3167	sub load_facedata($) {
2299	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;
2300		3175
2301	warn "loading facedata from $path\n";	3176	warn "loading facedata from $path\n";
2302		3177
2303	my $faces;	3178	my $facedata;
2304	0 < aio_load $path, $faces	3179	0 < aio_load $path, $facedata
2305	or die "$path: $!";	3180	or die "$path: $!";
2306		3181
2307	Coro::cede;
2308	$faces = Storable::thaw $faces;	3182	$facedata = Coro::Storable::thaw $facedata;
2309	Coro::cede;
2310		3183
2311	my $meta = delete $faces->{""};
2312	$meta->{version} == 1	3184	$facedata->{version} == 2
2313	or cf::cleanup "$path: version mismatch, cannot proceed.";	3185	or cf::cleanup "$path: version mismatch, cannot proceed.";
2314		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
		3194	{
		3195	my $faces = $facedata->{faceinfo};
		3196
2315	while (my ($face, $info) = each %$faces) {	3197	while (my ($face, $info) = each %$faces) {
2316	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3198	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2317	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3199
		3200	cf::face::set_visibility $idx, $info->{visibility};
		3201	cf::face::set_magicmap $idx, $info->{magicmap};
2318	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3202	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2319	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3203	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2320	Coro::cede;
2321	}
2322		3204
		3205	cf::cede_to_tick;
		3206	}
		3207
2323	while (my ($face, $info) = each %$faces) {	3208	while (my ($face, $info) = each %$faces) {
2324	next unless $info->{smooth};	3209	next unless $info->{smooth};
		3210
2325	my $idx = cf::face::find $face	3211	my $idx = cf::face::find $face
2326	or next;	3212	or next;
		3213
2327	if (my $smooth = cf::face::find $info->{smooth}) {	3214	if (my $smooth = cf::face::find $info->{smooth}) {
2328	cf::face::set_smooth $idx, $smooth;	3215	cf::face::set_smooth $idx, $smooth;
		3216	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2329	} else {	3217	} else {
2330	warn "smooth face '$info->{smooth}' not found for face '$face'";	3218	warn "smooth face '$info->{smooth}' not found for face '$face'";
2331	}	3219	}
2332	Coro::cede;	3220
		3221	cf::cede_to_tick;
		3222	}
		3223	}
		3224
2333	}	3225	{
		3226	my $anims = $facedata->{animinfo};
		3227
		3228	while (my ($anim, $info) = each %$anims) {
		3229	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3230	cf::cede_to_tick;
		3231	}
		3232
		3233	cf::anim::invalidate_all; # d'oh
		3234	}
		3235
		3236	{
		3237	# TODO: for gcfclient pleasure, we should give resources
		3238	# that gcfclient doesn't grok a >10000 face index.
		3239	my $res = $facedata->{resource};
		3240
		3241	while (my ($name, $info) = each %$res) {
		3242	if (defined $info->{type}) {
		3243	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3244	my $data;
		3245
		3246	if ($info->{type} & 1) {
		3247	# prepend meta info
		3248
		3249	my $meta = $enc->encode ({
		3250	name => $name,
		3251	%{ $info->{meta} || {} },
		3252	});
		3253
		3254	$data = pack "(w/a*)*", $meta, $info->{data};
		3255	} else {
		3256	$data = $info->{data};
		3257	}
		3258
		3259	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3260	cf::face::set_type $idx, $info->{type};
		3261	} else {
		3262	$RESOURCE{$name} = $info;
		3263	}
		3264
		3265	cf::cede_to_tick;
		3266	}
		3267	}
		3268
		3269	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2334		3270
2335	1	3271	1
2336	}	3272	}
2337		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
2338	sub reload_resources {	3341	sub reload_resources {
2339	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3342	warn "reloading resource files...\n";
2340	or die "unable to load regions file\n";#d#	3343
2341	load_facedata	3344	reload_facedata;
2342	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";
2343	}	3350	}
2344		3351
2345	sub init {	3352	sub init {
		3353	my $guard = freeze_mainloop;
		3354
		3355	evthread_start IO::AIO::poll_fileno;
		3356
2346	reload_resources;	3357	reload_resources;
2347	}	3358	}
2348		3359
2349	sub cfg_load {	3360	sub reload_config {
2350	open my $fh, "<:utf8", cf::confdir . "/config"	3361	open my $fh, "<:utf8", "$CONFDIR/config"
2351	or return;	3362	or return;
2352		3363
2353	local $/;	3364	local $/;
2354	*CFG = YAML::Syck::Load <$fh>;	3365	*CFG = YAML::Load <$fh>;
2355		3366
2356	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3367	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2357		3368
2358	$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};
2359	$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};
…		…
2365	};	3376	};
2366	warn $@ if $@;	3377	warn $@ if $@;
2367	}	3378	}
2368	}	3379	}
2369		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
2370	sub main {	3400	sub main {
		3401	atomic;
		3402
2371	# we must not ever block the main coroutine	3403	# we must not ever block the main coroutine
2372	local $Coro::idle = sub {	3404	local $Coro::idle = sub {
2373	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#
2374	(async {	3406	(async {
2375	Event::one_event;	3407	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3408	EV::loop EV::LOOP_ONESHOT;
2376	})->prio (Coro::PRIO_MAX);	3409	})->prio (Coro::PRIO_MAX);
2377	};	3410	};
2378		3411
2379	cfg_load;	3412	{
		3413	my $guard = freeze_mainloop;
		3414	reload_config;
2380	db_init;	3415	db_init;
2381	load_extensions;	3416	load_extensions;
2382		3417
2383	$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
2384	Event::loop;	3426	EV::loop;
2385	}	3427	}
2386		3428
2387	#############################################################################	3429	#############################################################################
2388	# initialisation and cleanup	3430	# initialisation and cleanup
2389		3431
2390	# install some emergency cleanup handlers	3432	# install some emergency cleanup handlers
2391	BEGIN {	3433	BEGIN {
		3434	our %SIGWATCHER = ();
2392	for my $signal (qw(INT HUP TERM)) {	3435	for my $signal (qw(INT HUP TERM)) {
2393	Event->signal (	3436	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2394	reentrant => 0,
2395	data => WF_AUTOCANCEL,
2396	signal => $signal,
2397	prio => 0,
2398	cb => sub {
2399	cf::cleanup "SIG$signal";	3437	cf::cleanup "SIG$signal";
2400	},
2401	);	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
2402	}	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($$) {
		3515	my ($skip, $sync) = @_;
		3516
		3517	$sync ? write_uuid_sync $skip
		3518	: async { write_uuid_sync $skip };
2403	}	3519	}
2404		3520
2405	sub emergency_save() {	3521	sub emergency_save() {
2406	my $freeze_guard = cf::freeze_mainloop;	3522	my $freeze_guard = cf::freeze_mainloop;
2407		3523
…		…
2413	# and maps saved/destroyed asynchronously.	3529	# and maps saved/destroyed asynchronously.
2414	warn "begin emergency player save\n";	3530	warn "begin emergency player save\n";
2415	for my $login (keys %cf::PLAYER) {	3531	for my $login (keys %cf::PLAYER) {
2416	my $pl = $cf::PLAYER{$login} or next;	3532	my $pl = $cf::PLAYER{$login} or next;
2417	$pl->valid or next;	3533	$pl->valid or next;
		3534	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2418	$pl->save;	3535	$pl->save;
2419	}	3536	}
2420	warn "end emergency player save\n";	3537	warn "end emergency player save\n";
2421		3538
2422	warn "begin emergency map save\n";	3539	warn "begin emergency map save\n";
…		…
2428	warn "end emergency map save\n";	3545	warn "end emergency map save\n";
2429		3546
2430	warn "begin emergency database checkpoint\n";	3547	warn "begin emergency database checkpoint\n";
2431	BDB::db_env_txn_checkpoint $DB_ENV;	3548	BDB::db_env_txn_checkpoint $DB_ENV;
2432	warn "end emergency database checkpoint\n";	3549	warn "end emergency database checkpoint\n";
		3550
		3551	warn "begin write uuid\n";
		3552	write_uuid_sync 1;
		3553	warn "end write uuid\n";
2433	};	3554	};
2434		3555
2435	warn "leave emergency perl save\n";	3556	warn "leave emergency perl save\n";
2436	}	3557	}
2437		3558
2438	sub post_cleanup {	3559	sub post_cleanup {
2439	my ($make_core) = @_;	3560	my ($make_core) = @_;
2440		3561
2441	warn Carp::longmess "post_cleanup backtrace"	3562	warn Carp::longmess "post_cleanup backtrace"
2442	if $make_core;	3563	if $make_core;
2443	}
2444		3564
		3565	my $fh = pidfile;
		3566	unlink $PIDFILE if <$fh> == $$;
		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 $RELOAD; # how many times to reload
		3596
2445	sub reload() {	3597	sub do_reload_perl() {
2446	# can/must only be called in main	3598	# can/must only be called in main
2447	if ($Coro::current != $Coro::main) {	3599	if ($Coro::current != $Coro::main) {
2448	warn "can only reload from main coroutine";	3600	warn "can only reload from main coroutine";
2449	return;	3601	return;
2450	}	3602	}
2451		3603
		3604	return if $RELOAD++;
		3605
		3606	while ($RELOAD) {
2452	warn "reloading...";	3607	warn "reloading...";
2453		3608
2454	warn "entering sync_job";	3609	warn "entering sync_job";
2455		3610
2456	cf::sync_job {	3611	cf::sync_job {
2457	cf::write_runtime; # external watchdog should not bark	3612	cf::write_runtime_sync; # external watchdog should not bark
2458	cf::emergency_save;	3613	cf::emergency_save;
2459	cf::write_runtime; # external watchdog should not bark	3614	cf::write_runtime_sync; # external watchdog should not bark
2460		3615
2461	warn "syncing database to disk";	3616	warn "syncing database to disk";
2462	BDB::db_env_txn_checkpoint $DB_ENV;	3617	BDB::db_env_txn_checkpoint $DB_ENV;
2463		3618
2464	# 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
2465		3620
2466	warn "cancelling all WF_AUTOCANCEL watchers";
2467	for (Event::all_watchers) {
2468	$_->cancel if $_->data & WF_AUTOCANCEL;
2469	}
2470
2471	warn "flushing outstanding aio requests";	3621	warn "flushing outstanding aio requests";
2472	for (;;) {
2473	BDB::flush;
2474	IO::AIO::flush;
2475	Coro::cede;
2476	last unless IO::AIO::nreqs || BDB::nreqs;	3622	while (IO::AIO::nreqs || BDB::nreqs) {
2477	warn "iterate...";	3623	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2478	}
2479
2480	++$RELOAD;
2481
2482	warn "cancelling all extension coros";
2483	$_->cancel for values %EXT_CORO;
2484	%EXT_CORO = ();
2485
2486	warn "removing commands";
2487	%COMMAND = ();
2488
2489	warn "removing ext commands";
2490	%EXTCMD = ();
2491
2492	warn "unloading/nuking all extensions";
2493	for my $pkg (@EXTS) {
2494	warn "... unloading $pkg";
2495
2496	if (my $cb = $pkg->can ("unload")) {
2497	eval {
2498	$cb->($pkg);
2499	1
2500	} or warn "$pkg unloaded, but with errors: $@";
2501	}	3624	}
2502		3625
2503	warn "... nuking $pkg";	3626	warn "cancelling all extension coros";
2504	Symbol::delete_package $pkg;	3627	$_->cancel for values %EXT_CORO;
2505	}	3628	%EXT_CORO = ();
2506		3629
2507	warn "unloading all perl modules loaded from $LIBDIR";	3630	warn "removing commands";
2508	while (my ($k, $v) = each %INC) {	3631	%COMMAND = ();
2509	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2510		3632
		3633	warn "removing ext/exti commands";
		3634	%EXTCMD = ();
		3635	%EXTICMD = ();
		3636
		3637	warn "unloading/nuking all extensions";
		3638	for my $pkg (@EXTS) {
2511	warn "... unloading $k";	3639	warn "... unloading $pkg";
2512	delete $INC{$k};
2513		3640
2514	$k =~ s/\.pm$//;
2515	$k =~ s/\//::/g;
2516
2517	if (my $cb = $k->can ("unload_module")) {	3641	if (my $cb = $pkg->can ("unload")) {
		3642	eval {
2518	$cb->();	3643	$cb->($pkg);
		3644	1
		3645	} or warn "$pkg unloaded, but with errors: $@";
		3646	}
		3647
		3648	warn "... clearing $pkg";
		3649	clear_package $pkg;
2519	}	3650	}
2520		3651
2521	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 $k;
2522	}	3667	}
2523		3668
2524	warn "getting rid of safe::, as good as possible";	3669	warn "getting rid of safe::, as good as possible";
2525	Symbol::delete_package "safe::$_"	3670	clear_package "safe::$_"
2526	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);
2527		3672
2528	warn "unloading cf.pm \"a bit\"";	3673	warn "unloading cf.pm \"a bit\"";
2529	delete $INC{"cf.pm"};	3674	delete $INC{"cf.pm"};
		3675	delete $INC{"cf/pod.pm"};
2530		3676
2531	# don't, removes xs symbols, too,	3677	# don't, removes xs symbols, too,
2532	# and global variables created in xs	3678	# and global variables created in xs
2533	#Symbol::delete_package __PACKAGE__;	3679	#clear_package __PACKAGE__;
2534		3680
2535	warn "unload completed, starting to reload now";	3681	warn "unload completed, starting to reload now";
2536		3682
2537	warn "reloading cf.pm";	3683	warn "reloading cf.pm";
2538	require cf;	3684	require cf;
2539	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3685	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2540		3686
2541	warn "loading config and database again";	3687	warn "loading config and database again";
2542	cf::cfg_load;	3688	cf::reload_config;
2543		3689
2544	warn "loading extensions";	3690	warn "loading extensions";
2545	cf::load_extensions;	3691	cf::load_extensions;
2546		3692
2547	warn "reattaching attachments to objects/players";	3693	warn "reattaching attachments to objects/players";
2548	_global_reattach; # objects, sockets	3694	_global_reattach; # objects, sockets
2549	warn "reattaching attachments to maps";	3695	warn "reattaching attachments to maps";
2550	reattach $_ for values %MAP;	3696	reattach $_ for values %MAP;
2551	warn "reattaching attachments to players";	3697	warn "reattaching attachments to players";
2552	reattach $_ for values %PLAYER;	3698	reattach $_ for values %PLAYER;
2553		3699
2554	warn "loading reloadable resources";
2555	reload_resources;
2556
2557	warn "leaving sync_job";	3700	warn "leaving sync_job";
2558		3701
2559	1	3702	1
2560	} or do {	3703	} or do {
2561	warn $@;	3704	warn $@;
2562	warn "error while reloading, exiting.";	3705	cf::cleanup "error while reloading, exiting.";
2563	exit 1;	3706	};
		3707
		3708	warn "reloaded";
		3709	--$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;
2564	};	3722	};
2565		3723	}
2566	warn "reloaded";
2567	};
2568
2569	our $RELOAD_WATCHER; # used only during reload
2570		3724
2571	register_command "reload" => sub {	3725	register_command "reload" => sub {
2572	my ($who, $arg) = @_;	3726	my ($who, $arg) = @_;
2573		3727
2574	if ($who->flag (FLAG_WIZ)) {	3728	if ($who->flag (FLAG_WIZ)) {
2575	$who->message ("reloading server.");	3729	$who->message ("reloading server.");
2576		3730	async {
2577	# doing reload synchronously and two reloads happen back-to-back,	3731	$Coro::current->{desc} = "perl_reload";
2578	# coro crashes during coro_state_free->destroy here.
2579
2580	$RELOAD_WATCHER ||= Event->timer (
2581	reentrant => 0,
2582	after => 0,
2583	data => WF_AUTOCANCEL,
2584	cb => sub {
2585	reload;	3732	reload_perl;
2586	undef $RELOAD_WATCHER;
2587	},
2588	);	3733	};
2589	}	3734	}
2590	};	3735	};
2591		3736
2592	unshift @INC, $LIBDIR;	3737	unshift @INC, $LIBDIR;
2593		3738
2594	my $bug_warning = 0;	3739	my $bug_warning = 0;
2595		3740
2596	$TICK_WATCHER = Event->timer (	3741	our @WAIT_FOR_TICK;
2597	reentrant => 0,	3742	our @WAIT_FOR_TICK_BEGIN;
2598	parked => 1,	3743
2599	prio => 0,	3744	sub wait_for_tick {
2600	at => $NEXT_TICK || $TICK,	3745	return if tick_inhibit || $Coro::current == $Coro::main;
2601	data => WF_AUTOCANCEL,	3746
2602	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	$signal->wait;
		3758	}
		3759
		3760	sub tick {
2603	if ($Coro::current != $Coro::main) {	3761	if ($Coro::current != $Coro::main) {
2604	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3762	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2605	unless ++$bug_warning > 10;	3763	unless ++$bug_warning > 10;
2606	return;	3764	return;
2607	}	3765	}
2608		3766
2609	$NOW = Event::time;
2610
2611	cf::server_tick; # one server iteration	3767	cf::server_tick; # one server iteration
2612	$RUNTIME += $TICK;
2613	$NEXT_TICK += $TICK;
2614		3768
2615	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3769	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2616	$NEXT_RUNTIME_WRITE = $NOW + 10;	3770	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2617	Coro::async_pool {	3771	Coro::async_pool {
		3772	$Coro::current->{desc} = "runtime saver";
2618	write_runtime	3773	write_runtime_sync
2619	or warn "ERROR: unable to write runtime file: $!";	3774	or warn "ERROR: unable to write runtime file: $!";
2620	};
2621	}	3775	};
2622
2623	$WAIT_FOR_TICK->broadcast;
2624	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2625
2626	# my $AFTER = Event::time;
2627	# warn $AFTER - $NOW;#d#
2628
2629	# if we are delayed by four ticks or more, skip them all
2630	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2631
2632	$TICK_WATCHER->at ($NEXT_TICK);
2633	$TICK_WATCHER->start;
2634	},	3776	}
2635	);	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	}
2636		3796
2637	{	3797	{
2638	BDB::max_poll_time $TICK * 0.1;	3798	# configure BDB
2639	$BDB_POLL_WATCHER = Event->io (	3799
2640	reentrant => 0,
2641	fd => BDB::poll_fileno,
2642	poll => 'r',
2643	prio => 0,
2644	data => WF_AUTOCANCEL,
2645	cb => \&BDB::poll_cb,
2646	);
2647	BDB::min_parallel 8;	3800	BDB::min_parallel 8;
2648		3801	BDB::max_poll_reqs $TICK * 0.1;
2649	BDB::set_sync_prepare {	3802	$AnyEvent::BDB::WATCHER->priority (1);
2650	my $status;
2651	my $current = $Coro::current;
2652	(
2653	sub {
2654	$status = $!;
2655	$current->ready; undef $current;
2656	},
2657	sub {
2658	Coro::schedule while defined $current;
2659	$! = $status;
2660	},
2661	)
2662	};
2663		3803
2664	unless ($DB_ENV) {	3804	unless ($DB_ENV) {
2665	$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);
2666		3811
2667	cf::sync_job {	3812	cf::sync_job {
2668	eval {	3813	eval {
2669	BDB::db_env_open	3814	BDB::db_env_open
2670	$DB_ENV,	3815	$DB_ENV,
2671	$BDB_ENV_DIR,	3816	$BDBDIR,
2672	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3817	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2673	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3818	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2674	0666;	3819	0666;
2675		3820
2676	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3821	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2677
2678	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2679	$DB_ENV->set_lk_detect;
2680	};	3822	};
2681		3823
2682	cf::cleanup "db_env_open(db): $@" if $@;	3824	cf::cleanup "db_env_open(db): $@" if $@;
2683	};	3825	};
2684	}	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	};
2685	}	3837	}
2686		3838
2687	{	3839	{
		3840	# configure IO::AIO
		3841
2688	IO::AIO::min_parallel 8;	3842	IO::AIO::min_parallel 8;
2689
2690	undef $Coro::AIO::WATCHER;
2691	IO::AIO::max_poll_time $TICK * 0.1;	3843	IO::AIO::max_poll_time $TICK * 0.1;
2692	$AIO_POLL_WATCHER = Event->io (	3844	undef $AnyEvent::AIO::WATCHER;
2693	reentrant => 0,
2694	data => WF_AUTOCANCEL,
2695	fd => IO::AIO::poll_fileno,
2696	poll => 'r',
2697	prio => 6,
2698	cb => \&IO::AIO::poll_cb,
2699	);
2700	}	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;
2701		3891
2702	END { cf::emergency_save }	3892	END { cf::emergency_save }
2703		3893
2704	1	3894	1
2705		3895

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