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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.218 by root, Sat Feb 17 01:58:55 2007 UTC vs.
Revision 1.457 by root, Wed Oct 1 05:50:19 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
		31	use EV;
9	use Opcode;	32	use Opcode;
10	use Safe;	33	use Safe;
11	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
12		36
13	use Coro 3.5 ();	37	use Coro ();
		38	use Coro::State;
		39	use Coro::Handle;
		40	use Coro::EV;
14	use Coro::Event;	41	use Coro::AnyEvent;
15	use Coro::Timer;	42	use Coro::Timer;
16	use Coro::Signal;	43	use Coro::Signal;
17	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
18	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
		48	use Coro::Storable;
		49	use Coro::Util ();
19		50
		51	use JSON::XS 2.01 ();
20	use BDB ();	52	use BDB ();
21	use Data::Dumper;	53	use Data::Dumper;
22	use Digest::MD5;	54	use Digest::MD5;
23	use Fcntl;	55	use Fcntl;
		56	use YAML ();
24	use IO::AIO 2.32 ();	57	use IO::AIO ();
25	use YAML::Syck ();
26	use Time::HiRes;	58	use Time::HiRes;
27	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
28		61
		62	AnyEvent::detect;
		63
		64	# configure various modules to our taste
		65	#
		66	$Storable::canonical = 1; # reduce rsync transfers
		67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		68
		69	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		70
		71	# make sure c-lzf reinitialises itself
		72	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	73	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		74
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		76
40	our %COMMAND = ();	77	our %COMMAND = ();
41	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
42		79
43	our @EXTS = (); # list of extension package names	80	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	81	our %EXTCMD = ();
		82	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	83	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	84	our %EXT_MAP = (); # pluggable maps
47		85
		86	our $RELOAD; # number of reloads so far, non-zero while in reload
48	our @EVENT;	87	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		88
51	our $TICK = MAX_TIME * 1e-6;	89	our $CONFDIR = confdir;
52	our $TICK_WATCHER;	90	our $DATADIR = datadir;
53	our $AIO_POLL_WATCHER;	91	our $LIBDIR = "$DATADIR/ext";
		92	our $PODDIR = "$DATADIR/pod";
		93	our $MAPDIR = "$DATADIR/" . mapdir;
		94	our $LOCALDIR = localdir;
		95	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		96	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		97	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		98	our $RANDOMDIR = "$LOCALDIR/random";
		99	our $BDBDIR = "$LOCALDIR/db";
		100	our $PIDFILE = "$LOCALDIR/pid";
		101	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		102
		103	our %RESOURCE;
		104
		105	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	107	our $NEXT_TICK;
56	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		109
		110	our $BDB_DEADLOCK_WATCHER;
		111	our $BDB_CHECKPOINT_WATCHER;
59	our $BDB_POLL_WATCHER;	112	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	113	our $DB_ENV;
61		114
62	our %CFG;	115	our %CFG;
63		116
64	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
66		120
67	our %PLAYER; # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	123	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		124
76	# used to convert map paths into valid unix filenames by replacing / by ∕	125	# used to convert map paths into valid unix filenames by replacing / by ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		127
		128	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		129	our $LOADAVG; # same thing, but with alpha-smoothing
		130	our $JITTER; # average jitter
		131	our $TICK_START; # for load detecting purposes
		132
		133	our @POST_INIT;
		134
		135	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
		136
79	binmode STDOUT;	137	binmode STDOUT;
80	binmode STDERR;	138	binmode STDERR;
81		139
82	# read virtual server time, if available	140	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	141	unless ($RUNTIME || !-e $RUNTIMEFILE) {
84	open my $fh, "<", cf::localdir . "/runtime"	142	open my $fh, "<", $RUNTIMEFILE
85	or die "unable to read runtime file: $!";	143	or die "unable to read $RUNTIMEFILE file: $!";
86	$RUNTIME = <$fh> + 0.;	144	$RUNTIME = <$fh> + 0.;
87	}	145	}
88		146
89	mkdir cf::localdir;	147	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	148	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91	mkdir cf::localdir . "/" . cf::tmpdir;
92	mkdir cf::localdir . "/" . cf::uniquedir;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		149
96	our $EMERGENCY_POSITION;	150	our $EMERGENCY_POSITION;
97		151
98	sub cf::map::normalise;	152	sub cf::map::normalise;
99		153
…		…
110	=item $cf::RUNTIME	164	=item $cf::RUNTIME
111		165
112	The time this server has run, starts at 0 and is increased by $cf::TICK on	166	The time this server has run, starts at 0 and is increased by $cf::TICK on
113	every server tick.	167	every server tick.
114		168
115	=item $cf::LIBDIR	169	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		170	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		171	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116		172
117	The perl library directory, where extensions and cf-specific modules can	173	Various directories - "/etc", read-only install directory, perl-library
118	be found. It will be added to C<@INC> automatically.	174	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		175	unique-items directory, player file directory, random maps directory and
		176	database environment.
119		177
120	=item $cf::NOW	178	=item $cf::NOW
121		179
122	The time of the last (current) server tick.	180	The time of the last (current) server tick.
123		181
124	=item $cf::TICK	182	=item $cf::TICK
125		183
126	The interval between server ticks, in seconds.	184	The interval between server ticks, in seconds.
127		185
		186	=item $cf::LOADAVG
		187
		188	The current CPU load on the server (alpha-smoothed), as a value between 0
		189	(none) and 1 (overloaded), indicating how much time is spent on processing
		190	objects per tick. Healthy values are < 0.5.
		191
		192	=item $cf::LOAD
		193
		194	The raw value load value from the last tick.
		195
128	=item %cf::CFG	196	=item %cf::CFG
129		197
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	198	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	199	from wherever your confdir points to.
132		200
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	201	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		202
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	203	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	204	returns directly I<after> the tick processing (and consequently, can only wake one process
137	processing has been done. Call C<< ->wait >> on them to maximise the	205	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138	window of cpu time available, or simply to synchronise to the server tick.	206
		207	=item @cf::INVOKE_RESULTS
		208
		209	This array contains the results of the last C<invoke ()> call. When
		210	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		211	that call.
139		212
140	=back	213	=back
141		214
142	=cut	215	=cut
143		216
144	BEGIN {	217	BEGIN {
145	*CORE::GLOBAL::warn = sub {	218	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	219	my $msg = join "", @_;
147	utf8::encode $msg;
148		220
149	$msg .= "\n"	221	$msg .= "\n"
150	unless $msg =~ /\n$/;	222	unless $msg =~ /\n$/;
151		223
		224	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		225
152	LOG llevError, $msg;	226	LOG llevError, $msg;
153	};	227	};
154	}	228	}
		229
		230	$Coro::State::DIEHOOK = sub {
		231	return unless $^S eq 0; # "eq", not "=="
		232
		233	if ($Coro::current == $Coro::main) {#d#
		234	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		235	return;#d#
		236	}#d#
		237
		238	# kill coroutine otherwise
		239	warn Carp::longmess $_[0];
		240	Coro::terminate
		241	};
		242
		243	$SIG{__DIE__} = sub { }; #d#?
155		244
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	245	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	246	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	247	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	248	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	249	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		250	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	251	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162		252
163	# we bless all objects into (empty) derived classes to force a method lookup	253	# we bless all objects into (empty) derived classes to force a method lookup
164	# within the Safe compartment.	254	# within the Safe compartment.
165	for my $pkg (qw(	255	for my $pkg (qw(
166	cf::global cf::attachable	256	cf::global cf::attachable
167	cf::object cf::object::player	257	cf::object cf::object::player
168	cf::client cf::player	258	cf::client cf::player
169	cf::arch cf::living	259	cf::arch cf::living
		260	cf::map cf::mapspace
170	cf::map cf::party cf::region	261	cf::party cf::region
171	)) {	262	)) {
172	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	263	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	264	}
175		265
176	$Event::DIED = sub {	266	$EV::DIED = sub {
177	warn "error in event callback: @_";	267	warn "error in event callback: @_";
178	};	268	};
		269
		270	#############################################################################
179		271
180	=head2 UTILITY FUNCTIONS	272	=head2 UTILITY FUNCTIONS
181		273
182	=over 4	274	=over 4
183		275
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	294	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	295	$d
204	} || "[unable to dump $_[0]: '$@']";	296	} || "[unable to dump $_[0]: '$@']";
205	}	297	}
206		298
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	299	=item $ref = cf::decode_json $json
210		300
211	Converts a JSON string into the corresponding perl data structure.	301	Converts a JSON string into the corresponding perl data structure.
212		302
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	303	=item $json = cf::encode_json $ref
221		304
222	Converts a perl data structure into its JSON representation.	305	Converts a perl data structure into its JSON representation.
223		306
224	=cut	307	=cut
225		308
226	sub to_json($) {	309	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	310
228	JSON::Syck::Dump $_[0]	311	sub encode_json($) { $json_coder->encode ($_[0]) }
		312	sub decode_json($) { $json_coder->decode ($_[0]) }
		313
		314	=item cf::post_init { BLOCK }
		315
		316	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		317	but I<before> the server starts ticking again.
		318
		319	The cdoeblock will have a single boolean argument to indicate whether this
		320	is a reload or not.
		321
		322	=cut
		323
		324	sub post_init(&) {
		325	push @POST_INIT, shift;
229	}	326	}
230		327
231	=item cf::lock_wait $string	328	=item cf::lock_wait $string
232		329
233	Wait until the given lock is available. See cf::lock_acquire.	330	Wait until the given lock is available. See cf::lock_acquire.
…		…
237	Wait until the given lock is available and then acquires it and returns	334	Wait until the given lock is available and then acquires it and returns
238	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	335	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
239	for example when the coroutine gets canceled), the lock is automatically	336	for example when the coroutine gets canceled), the lock is automatically
240	returned.	337	returned.
241		338
		339	Locks are *not* recursive, locking from the same coro twice results in a
		340	deadlocked coro.
		341
242	Lock names should begin with a unique identifier (for example, cf::map::find	342	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	343	uses map_find and cf::map::load uses map_load).
244		344
		345	=item $locked = cf::lock_active $string
		346
		347	Return true if the lock is currently active, i.e. somebody has locked it.
		348
245	=cut	349	=cut
246		350
247	our %LOCK;	351	our %LOCK;
		352	our %LOCKER;#d#
248		353
249	sub lock_wait($) {	354	sub lock_wait($) {
250	my ($key) = @_;	355	my ($key) = @_;
251		356
		357	if ($LOCKER{$key} == $Coro::current) {#d#
		358	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		359	return;#d#
		360	}#d#
		361
252	# wait for lock, if any	362	# wait for lock, if any
253	while ($LOCK{$key}) {	363	while ($LOCK{$key}) {
		364	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
254	push @{ $LOCK{$key} }, $Coro::current;	365	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;	366	Coro::schedule;
256	}	367	}
257	}	368	}
258		369
…		…
261		372
262	# wait, to be sure we are not locked	373	# wait, to be sure we are not locked
263	lock_wait $key;	374	lock_wait $key;
264		375
265	$LOCK{$key} = [];	376	$LOCK{$key} = [];
		377	$LOCKER{$key} = $Coro::current;#d#
266		378
267	Coro::guard {	379	Coro::guard {
		380	delete $LOCKER{$key};#d#
268	# wake up all waiters, to be on the safe side	381	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	382	$_->ready for @{ delete $LOCK{$key} };
270	}	383	}
271	}	384	}
272		385
		386	sub lock_active($) {
		387	my ($key) = @_;
		388
		389	! ! $LOCK{$key}
		390	}
		391
273	sub freeze_mainloop {	392	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	393	tick_inhibit_inc;
275		394
276	my $guard = Coro::guard {	395	Coro::guard \&tick_inhibit_dec;
277	$TICK_WATCHER->start;	396	}
		397
		398	=item cf::periodic $interval, $cb
		399
		400	Like EV::periodic, but randomly selects a starting point so that the actions
		401	get spread over timer.
		402
		403	=cut
		404
		405	sub periodic($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
		411	}
		412
		413	=item cf::get_slot $time[, $priority[, $name]]
		414
		415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		416	This call blocks and returns only when you have at least C<$time> seconds
		417	of cpu time till the next tick. The slot is only valid till the next cede.
		418
		419	The optional C<$name> can be used to identify the job to run. It might be
		420	used for statistical purposes and should identify the same time-class.
		421
		422	Useful for short background jobs.
		423
		424	=cut
		425
		426	our @SLOT_QUEUE;
		427	our $SLOT_QUEUE;
		428
		429	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		430	$SLOT_QUEUE = Coro::async {
		431	$Coro::current->desc ("timeslot manager");
		432
		433	my $signal = new Coro::Signal;
		434
		435	while () {
		436	next_job:
		437	my $avail = cf::till_tick;
		438	if ($avail > 0.01) {
		439	for (0 .. $#SLOT_QUEUE) {
		440	if ($SLOT_QUEUE[$_][0] < $avail) {
		441	my $job = splice @SLOT_QUEUE, $_, 1, ();
		442	$job->[2]->send;
		443	Coro::cede;
		444	goto next_job;
		445	}
		446	}
		447	}
		448
		449	if (@SLOT_QUEUE) {
		450	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		451	push @cf::WAIT_FOR_TICK, $signal;
		452	$signal->wait;
		453	} else {
		454	Coro::schedule;
		455	}
278	};	456	}
279	$TICK_WATCHER->stop;	457	};
280	$guard	458
		459	sub get_slot($;$$) {
		460	return if tick_inhibit || $Coro::current == $Coro::main;
		461
		462	my ($time, $pri, $name) = @_;
		463
		464	$time = $TICK * .6 if $time > $TICK * .6;
		465	my $sig = new Coro::Signal;
		466
		467	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		468	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		469	$SLOT_QUEUE->ready;
		470	$sig->wait;
281	}	471	}
282		472
283	=item cf::async { BLOCK }	473	=item cf::async { BLOCK }
284		474
285	Currently the same as Coro::async_pool, meaning you cannot use	475	Currently the same as Coro::async_pool, meaning you cannot use
…		…
290		480
291	BEGIN { *async = \&Coro::async_pool }	481	BEGIN { *async = \&Coro::async_pool }
292		482
293	=item cf::sync_job { BLOCK }	483	=item cf::sync_job { BLOCK }
294		484
295	The design of crossfire+ requires that the main coro ($Coro::main) is	485	The design of Deliantra requires that the main coroutine ($Coro::main)
296	always able to handle events or runnable, as crossfire+ is only partly	486	is always able to handle events or runnable, as Deliantra is only
297	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	487	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		488	acceptable.
298		489
299	If it must be done, put the blocking parts into C<sync_job>. This will run	490	If it must be done, put the blocking parts into C<sync_job>. This will run
300	the given BLOCK in another coroutine while waiting for the result. The	491	the given BLOCK in another coroutine while waiting for the result. The
301	server will be frozen during this time, so the block should either finish	492	server will be frozen during this time, so the block should either finish
302	fast or be very important.	493	fast or be very important.
…		…
305		496
306	sub sync_job(&) {	497	sub sync_job(&) {
307	my ($job) = @_;	498	my ($job) = @_;
308		499
309	if ($Coro::current == $Coro::main) {	500	if ($Coro::current == $Coro::main) {
		501	my $time = EV::time;
		502
310	# this is the main coro, too bad, we have to block	503	# this is the main coro, too bad, we have to block
311	# till the operation succeeds, freezing the server :/	504	# till the operation succeeds, freezing the server :/
312		505
313	# TODO: use suspend/resume instead	506	LOG llevError, Carp::longmess "sync job";#d#
314	# (but this is cancel-safe)	507
315	my $freeze_guard = freeze_mainloop;	508	my $freeze_guard = freeze_mainloop;
316		509
317	my $busy = 1;	510	my $busy = 1;
318	my @res;	511	my @res;
319		512
320	(async {	513	(async {
		514	$Coro::current->desc ("sync job coro");
321	@res = eval { $job->() };	515	@res = eval { $job->() };
322	warn $@ if $@;	516	warn $@ if $@;
323	undef $busy;	517	undef $busy;
324	})->prio (Coro::PRIO_MAX);	518	})->prio (Coro::PRIO_MAX);
325		519
326	while ($busy) {	520	while ($busy) {
327	Coro::cede or Event::one_event;	521	if (Coro::nready) {
		522	Coro::cede_notself;
		523	} else {
		524	EV::loop EV::LOOP_ONESHOT;
328	}	525	}
		526	}
		527
		528	my $time = EV::time - $time;
		529
		530	$TICK_START += $time; # do not account sync jobs to server load
329		531
330	wantarray ? @res : $res[0]	532	wantarray ? @res : $res[0]
331	} else {	533	} else {
332	# we are in another coroutine, how wonderful, everything just works	534	# we are in another coroutine, how wonderful, everything just works
333		535
…		…
353	$EXT_CORO{$coro+0} = $coro;	555	$EXT_CORO{$coro+0} = $coro;
354		556
355	$coro	557	$coro
356	}	558	}
357		559
358	sub write_runtime {	560	=item fork_call { }, $args
359	my $runtime = cf::localdir . "/runtime";
360		561
361	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	562	Executes the given code block with the given arguments in a seperate
362	or return;	563	process, returning the results. Everything must be serialisable with
		564	Coro::Storable. May, of course, block. Note that the executed sub may
		565	never block itself or use any form of event handling.
363		566
364	my $value = $cf::RUNTIME + 90 + 10;	567	=cut
365	# 10 is the runtime save interval, for a monotonic clock
366	# 60 allows for the watchdog to kill the server.
367		568
368	(aio_write $fh, 0, (length $value), $value, 0) <= 0	569	sub fork_call(&@) {
369	and return;	570	my ($cb, @args) = @_;
370		571
371	# always fsync - this file is important	572	# we seemingly have to make a local copy of the whole thing,
372	aio_fsync $fh	573	# otherwise perl prematurely frees the stuff :/
373	and return;	574	# TODO: investigate and fix (likely this will be rather laborious)
374		575
375	close $fh	576	my @res = Coro::Util::fork_eval {
376	or return;	577	reset_signals;
		578	&$cb
		579	}, @args;
377		580
378	aio_rename "$runtime~", $runtime	581	wantarray ? @res : $res[-1]
379	and return;	582	}
380		583
		584	=item $coin = coin_from_name $name
		585
		586	=cut
		587
		588	our %coin_alias = (
		589	"silver" => "silvercoin",
		590	"silvercoin" => "silvercoin",
		591	"silvercoins" => "silvercoin",
		592	"gold" => "goldcoin",
		593	"goldcoin" => "goldcoin",
		594	"goldcoins" => "goldcoin",
		595	"platinum" => "platinacoin",
		596	"platinumcoin" => "platinacoin",
		597	"platinumcoins" => "platinacoin",
		598	"platina" => "platinacoin",
		599	"platinacoin" => "platinacoin",
		600	"platinacoins" => "platinacoin",
		601	"royalty" => "royalty",
		602	"royalties" => "royalty",
		603	);
		604
		605	sub coin_from_name($) {
		606	$coin_alias{$_[0]}
		607	? cf::arch::find $coin_alias{$_[0]}
		608	: undef
		609	}
		610
		611	=item $value = cf::db_get $family => $key
		612
		613	Returns a single value from the environment database.
		614
		615	=item cf::db_put $family => $key => $value
		616
		617	Stores the given C<$value> in the family. It can currently store binary
		618	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		619
		620	=item $db = cf::db_table "name"
		621
		622	Create and/or open a new database table. The string must not be "db" and must be unique
		623	within each server.
		624
		625	=cut
		626
		627	sub db_table($) {
		628	my ($name) = @_;
		629	my $db = BDB::db_create $DB_ENV;
		630
		631	eval {
		632	$db->set_flags (BDB::CHKSUM);
		633
		634	utf8::encode $name;
		635	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		636	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		637	cf::cleanup "db_open(db): $!" if $!;
		638	};
		639	cf::cleanup "db_open(db): $@" if $@;
		640
		641	$db
		642	}
		643
		644	our $DB;
		645
		646	sub db_init {
		647	cf::sync_job {
		648	$DB ||= db_table "db";
		649	};
		650	}
		651
		652	sub db_get($$) {
		653	my $key = "$_[0]/$_[1]";
		654
		655	cf::sync_job {
		656	BDB::db_get $DB, undef, $key, my $data;
		657
		658	$! ? ()
		659	: $data
381	1	660	}
		661	}
		662
		663	sub db_put($$$) {
		664	BDB::dbreq_pri 4;
		665	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		666	}
		667
		668	=item cf::cache $id => [$paths...], $processversion => $process
		669
		670	Generic caching function that returns the value of the resource $id,
		671	caching and regenerating as required.
		672
		673	This function can block.
		674
		675	=cut
		676
		677	sub cache {
		678	my ($id, $src, $processversion, $process) = @_;
		679
		680	my $meta =
		681	join "\x00",
		682	$processversion,
		683	map {
		684	aio_stat $_
		685	and Carp::croak "$_: $!";
		686
		687	($_, (stat _)[7,9])
		688	} @$src;
		689
		690	my $dbmeta = db_get cache => "$id/meta";
		691	if ($dbmeta ne $meta) {
		692	# changed, we may need to process
		693
		694	my @data;
		695	my $md5;
		696
		697	for (0 .. $#$src) {
		698	0 <= aio_load $src->[$_], $data[$_]
		699	or Carp::croak "$src->[$_]: $!";
		700	}
		701
		702	# if processing is expensive, check
		703	# checksum first
		704	if (1) {
		705	$md5 =
		706	join "\x00",
		707	$processversion,
		708	map {
		709	cf::cede_to_tick;
		710	($src->[$_], Digest::MD5::md5_hex $data[$_])
		711	} 0.. $#$src;
		712
		713
		714	my $dbmd5 = db_get cache => "$id/md5";
		715	if ($dbmd5 eq $md5) {
		716	db_put cache => "$id/meta", $meta;
		717
		718	return db_get cache => "$id/data";
		719	}
		720	}
		721
		722	my $t1 = Time::HiRes::time;
		723	my $data = $process->(\@data);
		724	my $t2 = Time::HiRes::time;
		725
		726	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		727
		728	db_put cache => "$id/data", $data;
		729	db_put cache => "$id/md5" , $md5;
		730	db_put cache => "$id/meta", $meta;
		731
		732	return $data;
		733	}
		734
		735	db_get cache => "$id/data"
		736	}
		737
		738	=item cf::datalog type => key => value, ...
		739
		740	Log a datalog packet of the given type with the given key-value pairs.
		741
		742	=cut
		743
		744	sub datalog($@) {
		745	my ($type, %kv) = @_;
		746	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
382	}	747	}
383		748
384	=back	749	=back
385		750
386	=cut	751	=cut
387		752
388	#############################################################################	753	#############################################################################
389		754
390	=head2 ATTACHABLE OBJECTS	755	=head2 ATTACHABLE OBJECTS
391		756
392	Many objects in crossfire are so-called attachable objects. That means you can	757	Many objects in deliantra are so-called attachable objects. That means you can
393	attach callbacks/event handlers (a collection of which is called an "attachment")	758	attach callbacks/event handlers (a collection of which is called an "attachment")
394	to it. All such attachable objects support the following methods.	759	to it. All such attachable objects support the following methods.
395		760
396	In the following description, CLASS can be any of C<global>, C<object>	761	In the following description, CLASS can be any of C<global>, C<object>
397	C<player>, C<client> or C<map> (i.e. the attachable objects in	762	C<player>, C<client> or C<map> (i.e. the attachable objects in
398	crossfire+).	763	Deliantra).
399		764
400	=over 4	765	=over 4
401		766
402	=item $attachable->attach ($attachment, key => $value...)	767	=item $attachable->attach ($attachment, key => $value...)
403		768
…		…
447	=item cf::CLASS::attachment $name, ...	812	=item cf::CLASS::attachment $name, ...
448		813
449	Register an attachment by C<$name> through which attachable objects of the	814	Register an attachment by C<$name> through which attachable objects of the
450	given CLASS can refer to this attachment.	815	given CLASS can refer to this attachment.
451		816
452	Some classes such as crossfire maps and objects can specify attachments	817	Some classes such as deliantra maps and objects can specify attachments
453	that are attached at load/instantiate time, thus the need for a name.	818	that are attached at load/instantiate time, thus the need for a name.
454		819
455	These calls expect any number of the following handler/hook descriptions:	820	These calls expect any number of the following handler/hook descriptions:
456		821
457	=over 4	822	=over 4
…		…
566	$registry = $CB_TYPE[$object_type] ||= [];	931	$registry = $CB_TYPE[$object_type] ||= [];
567		932
568	} elsif ($type eq "subtype") {	933	} elsif ($type eq "subtype") {
569	defined $object_type or Carp::croak "subtype specified without type";	934	defined $object_type or Carp::croak "subtype specified without type";
570	my $object_subtype = shift @arg;	935	my $object_subtype = shift @arg;
571	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	936	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
572		937
573	} elsif ($type eq "package") {	938	} elsif ($type eq "package") {
574	my $pkg = shift @arg;	939	my $pkg = shift @arg;
575		940
576	while (my ($name, $id) = each %cb_id) {	941	while (my ($name, $id) = each %cb_id) {
…		…
605	_attach $registry, $klass, @attach;	970	_attach $registry, $klass, @attach;
606	}	971	}
607		972
608	$obj->{$name} = \%arg;	973	$obj->{$name} = \%arg;
609	} else {	974	} else {
610	warn "object uses attachment '$name' that is not available, postponing.\n";	975	warn "object uses attachment '$name' which is not available, postponing.\n";
611	}	976	}
612		977
613	$obj->{_attachment}{$name} = undef;	978	$obj->{_attachment}{$name} = undef;
614	}	979	}
615		980
…		…
617	if (ref $_[0]) {	982	if (ref $_[0]) {
618	_object_attach @_;	983	_object_attach @_;
619	} else {	984	} else {
620	_attach shift->_attach_registry, @_;	985	_attach shift->_attach_registry, @_;
621	}	986	}
		987	_recalc_want;
622	};	988	};
623		989
624	# all those should be optimised	990	# all those should be optimised
625	sub cf::attachable::detach {	991	sub cf::attachable::detach {
626	my ($obj, $name) = @_;	992	my ($obj, $name) = @_;
…		…
629	delete $obj->{_attachment}{$name};	995	delete $obj->{_attachment}{$name};
630	reattach ($obj);	996	reattach ($obj);
631	} else {	997	} else {
632	Carp::croak "cannot, currently, detach class attachments";	998	Carp::croak "cannot, currently, detach class attachments";
633	}	999	}
		1000	_recalc_want;
634	};	1001	};
635		1002
636	sub cf::attachable::attached {	1003	sub cf::attachable::attached {
637	my ($obj, $name) = @_;	1004	my ($obj, $name) = @_;
638		1005
…		…
653	";	1020	";
654	die if $@;	1021	die if $@;
655	}	1022	}
656		1023
657	our $override;	1024	our $override;
658	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1025	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
659		1026
660	sub override {	1027	sub override {
661	$override = 1;	1028	$override = 1;
662	@invoke_results = ();	1029	@INVOKE_RESULTS = (@_);
663	}	1030	}
664		1031
665	sub do_invoke {	1032	sub do_invoke {
666	my $event = shift;	1033	my $event = shift;
667	my $callbacks = shift;	1034	my $callbacks = shift;
668		1035
669	@invoke_results = ();	1036	@INVOKE_RESULTS = ();
670		1037
671	local $override;	1038	local $override;
672		1039
673	for (@$callbacks) {	1040	for (@$callbacks) {
674	eval { &{$_->[1]} };	1041	eval { &{$_->[1]} };
…		…
683	}	1050	}
684		1051
685	0	1052	0
686	}	1053	}
687		1054
688	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
689		1056
690	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1057	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
691		1058
692	Generate an object-specific event with the given arguments.	1059	Generate an object-specific event with the given arguments.
693		1060
694	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1061	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
695	removed in future versions), and there is no public API to access override	1062	removed in future versions), and there is no public API to access override
696	results (if you must, access C<@cf::invoke_results> directly).	1063	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
697		1064
698	=back	1065	=back
699		1066
700	=cut	1067	=cut
701		1068
702	#############################################################################	1069	#############################################################################
703	# object support	1070	# object support
		1071
		1072	sub _object_equal($$);
		1073	sub _object_equal($$) {
		1074	my ($a, $b) = @_;
		1075
		1076	return 0 unless (ref $a) eq (ref $b);
		1077
		1078	if ("HASH" eq ref $a) {
		1079	my @ka = keys %$a;
		1080	my @kb = keys %$b;
		1081
		1082	return 0 if @ka != @kb;
		1083
		1084	for (0 .. $#ka) {
		1085	return 0 unless $ka[$_] eq $kb[$_];
		1086	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1087	}
		1088
		1089	} elsif ("ARRAY" eq ref $a) {
		1090
		1091	return 0 if @$a != @$b;
		1092
		1093	for (0 .. $#$a) {
		1094	return 0 unless _object_equal $a->[$_], $b->[$_];
		1095	}
		1096
		1097	} elsif ($a ne $b) {
		1098	return 0;
		1099	}
		1100
		1101	1
		1102	}
		1103
		1104	our $SLOW_MERGES;#d#
		1105	sub _can_merge {
		1106	my ($ob1, $ob2) = @_;
		1107
		1108	++$SLOW_MERGES;#d#
		1109
		1110	# we do the slow way here
		1111	return _object_equal $ob1, $ob2
		1112	}
704		1113
705	sub reattach {	1114	sub reattach {
706	# basically do the same as instantiate, without calling instantiate	1115	# basically do the same as instantiate, without calling instantiate
707	my ($obj) = @_;	1116	my ($obj) = @_;
708		1117
		1118	# no longer needed after getting rid of delete_package?
709	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1119	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
710		1120
711	my $registry = $obj->registry;	1121	my $registry = $obj->registry;
712		1122
713	@$registry = ();	1123	@$registry = ();
714		1124
…		…
729	cf::attachable->attach (	1139	cf::attachable->attach (
730	prio => -1000000,	1140	prio => -1000000,
731	on_instantiate => sub {	1141	on_instantiate => sub {
732	my ($obj, $data) = @_;	1142	my ($obj, $data) = @_;
733		1143
734	$data = from_json $data;	1144	$data = decode_json $data;
735		1145
736	for (@$data) {	1146	for (@$data) {
737	my ($name, $args) = @$_;	1147	my ($name, $args) = @$_;
738		1148
739	$obj->attach ($name, %{$args || {} });	1149	$obj->attach ($name, %{$args || {} });
…		…
755	sub object_freezer_save {	1165	sub object_freezer_save {
756	my ($filename, $rdata, $objs) = @_;	1166	my ($filename, $rdata, $objs) = @_;
757		1167
758	sync_job {	1168	sync_job {
759	if (length $$rdata) {	1169	if (length $$rdata) {
		1170	utf8::decode (my $decname = $filename);
760	warn sprintf "saving %s (%d,%d)\n",	1171	warn sprintf "saving %s (%d,%d)\n",
761	$filename, length $$rdata, scalar @$objs;	1172	$decname, length $$rdata, scalar @$objs;
762		1173
763	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1174	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
764	chmod SAVE_MODE, $fh;	1175	aio_chmod $fh, SAVE_MODE;
765	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1176	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
766	aio_fsync $fh if $cf::USE_FSYNC;	1177	aio_fsync $fh if $cf::USE_FSYNC;
767	close $fh;	1178	aio_close $fh;
768		1179
769	if (@$objs) {	1180	if (@$objs) {
770	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1181	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1182	aio_chmod $fh, SAVE_MODE;
772	my $data = Storable::nfreeze { version => 1, objs => $objs };	1183	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
773	aio_write $fh, 0, (length $data), $data, 0;	1184	aio_write $fh, 0, (length $data), $data, 0;
774	aio_fsync $fh if $cf::USE_FSYNC;	1185	aio_fsync $fh if $cf::USE_FSYNC;
775	close $fh;	1186	aio_close $fh;
776	aio_rename "$filename.pst~", "$filename.pst";	1187	aio_rename "$filename.pst~", "$filename.pst";
777	}	1188	}
778	} else {	1189	} else {
779	aio_unlink "$filename.pst";	1190	aio_unlink "$filename.pst";
780	}	1191	}
781		1192
782	aio_rename "$filename~", $filename;	1193	aio_rename "$filename~", $filename;
		1194
		1195	$filename =~ s%/[^/]+$%%;
		1196	aio_pathsync $filename if $cf::USE_FSYNC;
783	} else {	1197	} else {
784	warn "FATAL: $filename~: $!\n";	1198	warn "FATAL: $filename~: $!\n";
785	}	1199	}
786	} else {	1200	} else {
787	aio_unlink $filename;	1201	aio_unlink $filename;
788	aio_unlink "$filename.pst";	1202	aio_unlink "$filename.pst";
789	}	1203	}
790	}	1204	};
791	}	1205	}
792		1206
793	sub object_freezer_as_string {	1207	sub object_freezer_as_string {
794	my ($rdata, $objs) = @_;	1208	my ($rdata, $objs) = @_;
795		1209
…		…
807	or return;	1221	or return;
808		1222
809	unless (aio_stat "$filename.pst") {	1223	unless (aio_stat "$filename.pst") {
810	(aio_load "$filename.pst", $av) >= 0	1224	(aio_load "$filename.pst", $av) >= 0
811	or return;	1225	or return;
		1226
812	$av = eval { (Storable::thaw $av)->{objs} };	1227	my $st = eval { Coro::Storable::thaw $av };
		1228	$av = $st->{objs};
813	}	1229	}
814		1230
		1231	utf8::decode (my $decname = $filename);
815	warn sprintf "loading %s (%d)\n",	1232	warn sprintf "loading %s (%d,%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	1233	$decname, length $data, scalar @{$av || []};
		1234
817	return ($data, $av);	1235	($data, $av)
818	}	1236	}
		1237
		1238	=head2 COMMAND CALLBACKS
		1239
		1240	=over 4
		1241
		1242	=cut
819		1243
820	#############################################################################	1244	#############################################################################
821	# command handling &c	1245	# command handling &c
822		1246
823	=item cf::register_command $name => \&callback($ob,$args);	1247	=item cf::register_command $name => \&callback($ob,$args);
…		…
836	push @{ $COMMAND{$name} }, [$caller, $cb];	1260	push @{ $COMMAND{$name} }, [$caller, $cb];
837	}	1261	}
838		1262
839	=item cf::register_extcmd $name => \&callback($pl,$packet);	1263	=item cf::register_extcmd $name => \&callback($pl,$packet);
840		1264
841	Register a callbackf ro execution when the client sends an extcmd packet.	1265	Register a callback for execution when the client sends an (synchronous)
		1266	extcmd packet. Ext commands will be processed in the order they are
		1267	received by the server, like other user commands. The first argument is
		1268	the logged-in player. Ext commands can only be processed after a player
		1269	has logged in successfully.
842		1270
843	If the callback returns something, it is sent back as if reply was being	1271	If the callback returns something, it is sent back as if reply was being
844	called.	1272	called.
845		1273
		1274	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1275
		1276	Register a callback for execution when the client sends an (asynchronous)
		1277	exticmd packet. Exti commands are processed by the server as soon as they
		1278	are received, i.e. out of order w.r.t. other commands. The first argument
		1279	is a client socket. Exti commands can be received anytime, even before
		1280	log-in.
		1281
		1282	If the callback returns something, it is sent back as if reply was being
		1283	called.
		1284
846	=cut	1285	=cut
847		1286
848	sub register_extcmd {	1287	sub register_extcmd {
849	my ($name, $cb) = @_;	1288	my ($name, $cb) = @_;
850		1289
851	$EXTCMD{$name} = $cb;	1290	$EXTCMD{$name} = $cb;
852	}	1291	}
		1292
		1293	sub register_exticmd {
		1294	my ($name, $cb) = @_;
		1295
		1296	$EXTICMD{$name} = $cb;
		1297	}
		1298
		1299	use File::Glob ();
853		1300
854	cf::player->attach (	1301	cf::player->attach (
855	on_command => sub {	1302	on_command => sub {
856	my ($pl, $name, $params) = @_;	1303	my ($pl, $name, $params) = @_;
857		1304
…		…
865	cf::override;	1312	cf::override;
866	},	1313	},
867	on_extcmd => sub {	1314	on_extcmd => sub {
868	my ($pl, $buf) = @_;	1315	my ($pl, $buf) = @_;
869		1316
870	my $msg = eval { from_json $buf };	1317	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871		1318
872	if (ref $msg) {	1319	if (ref $msg) {
		1320	my ($type, $reply, @payload) =
		1321	"ARRAY" eq ref $msg
		1322	? @$msg
		1323	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1324
		1325	my @reply;
		1326
873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1327	if (my $cb = $EXTCMD{$type}) {
874	if (my %reply = $cb->($pl, $msg)) {	1328	@reply = $cb->($pl, @payload);
875	$pl->ext_reply ($msg->{msgid}, %reply);
876	}
877	}	1329	}
		1330
		1331	$pl->ext_reply ($reply, @reply)
		1332	if $reply;
		1333
878	} else {	1334	} else {
879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1335	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
880	}	1336	}
881		1337
882	cf::override;	1338	cf::override;
883	},	1339	},
884	);	1340	);
885		1341
		1342	# "readahead" all extensions
886	sub load_extension {	1343	sub cache_extensions {
887	my ($path) = @_;	1344	my $grp = IO::AIO::aio_group;
888		1345
889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1346	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
890	my $base = $1;	1347	for (grep /\.ext$/, @{$_[0]}) {
891	my $pkg = $1;	1348	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
892	$pkg =~ s/[^[:word:]]/_/g;
893	$pkg = "ext::$pkg";
894
895	warn "... loading '$path' into '$pkg'\n";
896
897	open my $fh, "<:utf8", $path
898	or die "$path: $!";
899
900	my $source =
901	"package $pkg; use strict; use utf8;\n"
902	. "#line 1 \"$path\"\n{\n"
903	. (do { local $/; <$fh> })
904	. "\n};\n1";
905
906	unless (eval $source) {
907	my $msg = $@ ? "$path: $@\n"
908	: "extension disabled.\n";
909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
910	warn $@;
911	warn "mandatory extension failed to load, exiting.\n";
912	exit 1;
913	}	1349	}
914	die $@;
915	}	1350	};
916		1351
917	push @EXTS, $pkg;	1352	$grp
918	}	1353	}
919		1354
920	sub load_extensions {	1355	sub load_extensions {
		1356	cf::sync_job {
		1357	my %todo;
		1358
921	for my $ext (<$LIBDIR/*.ext>) {	1359	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1360	next unless -r $path;
923	eval {	1361
924	load_extension $ext;	1362	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1363	my $base = $1;
		1364	my $pkg = $1;
		1365	$pkg =~ s/[^[:word:]]/_/g;
		1366	$pkg = "ext::$pkg";
		1367
		1368	open my $fh, "<:utf8", $path
		1369	or die "$path: $!";
		1370
		1371	my $source = do { local $/; <$fh> };
		1372
		1373	my %ext = (
		1374	path => $path,
		1375	base => $base,
		1376	pkg => $pkg,
		1377	);
		1378
		1379	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1380	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1381
		1382	$ext{source} =
		1383	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1384	. "#line 1 \"$path\"\n{\n"
		1385	. $source
		1386	. "\n};\n1";
		1387
		1388	$todo{$base} = \%ext;
		1389	}
		1390
		1391	my %done;
		1392	while (%todo) {
		1393	my $progress;
		1394
		1395	while (my ($k, $v) = each %todo) {
		1396	for (split /,\s*/, $v->{meta}{depends}) {
		1397	goto skip
		1398	unless exists $done{$_};
		1399	}
		1400
		1401	warn "... loading '$k' into '$v->{pkg}'\n";
		1402
		1403	unless (eval $v->{source}) {
		1404	my $msg = $@ ? "$v->{path}: $@\n"
		1405	: "$v->{base}: extension inactive.\n";
		1406
		1407	if (exists $v->{meta}{mandatory}) {
		1408	warn $msg;
		1409	cf::cleanup "mandatory extension failed to load, exiting.";
		1410	}
		1411
		1412	warn $msg;
		1413	}
		1414
		1415	$done{$k} = delete $todo{$k};
		1416	push @EXTS, $v->{pkg};
		1417	$progress = 1;
925	1	1418	}
926	} or warn "$ext not loaded: $@";	1419
		1420	skip:
		1421	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1422	unless $progress;
		1423	}
927	}	1424	};
928	}	1425	}
929		1426
930	#############################################################################	1427	#############################################################################
931		1428
		1429	=back
		1430
932	=head2 CORE EXTENSIONS	1431	=head2 CORE EXTENSIONS
933		1432
934	Functions and methods that extend core crossfire objects.	1433	Functions and methods that extend core deliantra objects.
935		1434
936	=cut	1435	=cut
937		1436
938	package cf::player;	1437	package cf::player;
939		1438
…		…
941		1440
942	=head3 cf::player	1441	=head3 cf::player
943		1442
944	=over 4	1443	=over 4
945		1444
		1445	=item cf::player::num_playing
		1446
		1447	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1448
		1449	=cut
		1450
		1451	sub num_playing {
		1452	scalar grep
		1453	$_->ob->map
		1454	&& !$_->hidden
		1455	&& !$_->ob->flag (cf::FLAG_WIZ),
		1456	cf::player::list
		1457	}
		1458
946	=item cf::player::find $login	1459	=item cf::player::find $login
947		1460
948	Returns the given player object, loading it if necessary (might block).	1461	Returns the given player object, loading it if necessary (might block).
949		1462
950	=cut	1463	=cut
951		1464
952	sub playerdir($) {	1465	sub playerdir($) {
953	cf::localdir	1466	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1467	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1468	}
959		1469
960	sub path($) {	1470	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1471	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1472
963	(playerdir $login) . "/$login.pl"	1473	(playerdir $login) . "/playerdata"
964	}	1474	}
965		1475
966	sub find_active($) {	1476	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1477	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1478	and $cf::PLAYER{$_[0]}->active
…		…
971		1481
972	sub exists($) {	1482	sub exists($) {
973	my ($login) = @_;	1483	my ($login) = @_;
974		1484
975	$cf::PLAYER{$login}	1485	$cf::PLAYER{$login}
976	or cf::sync_job { !aio_stat path $login }	1486	or !aio_stat path $login
977	}	1487	}
978		1488
979	sub find($) {	1489	sub find($) {
980	return $cf::PLAYER{$_[0]} || do {	1490	return $cf::PLAYER{$_[0]} || do {
981	my $login = $_[0];	1491	my $login = $_[0];
982		1492
983	my $guard = cf::lock_acquire "user_find:$login";	1493	my $guard = cf::lock_acquire "user_find:$login";
984		1494
985	$cf::PLAYER{$_[0]} || do {	1495	$cf::PLAYER{$_[0]} || do {
986	my $pl = load_pl path $login	1496	# rename old playerfiles to new ones
		1497	#TODO: remove when no longer required
		1498	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1499	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1500	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1501	aio_unlink +(playerdir $login) . "/$login.pl";
		1502
		1503	my $f = new_from_file cf::object::thawer path $login
987	or return;	1504	or return;
		1505
		1506	my $pl = cf::player::load_pl $f
		1507	or return;
		1508
		1509	local $cf::PLAYER_LOADING{$login} = $pl;
		1510	$f->resolve_delayed_derefs;
988	$cf::PLAYER{$login} = $pl	1511	$cf::PLAYER{$login} = $pl
989	}	1512	}
990	}	1513	}
991	}	1514	}
992		1515
…		…
1001	return if $pl->{deny_save};	1524	return if $pl->{deny_save};
1002		1525
1003	aio_mkdir playerdir $pl, 0770;	1526	aio_mkdir playerdir $pl, 0770;
1004	$pl->{last_save} = $cf::RUNTIME;	1527	$pl->{last_save} = $cf::RUNTIME;
1005		1528
		1529	cf::get_slot 0.01;
		1530
1006	$pl->save_pl ($path);	1531	$pl->save_pl ($path);
1007	Coro::cede;	1532	cf::cede_to_tick;
1008	}	1533	}
1009		1534
1010	sub new($) {	1535	sub new($) {
1011	my ($login) = @_;	1536	my ($login) = @_;
1012		1537
…		…
1018	$cf::PLAYER{$login} = $self;	1543	$cf::PLAYER{$login} = $self;
1019		1544
1020	$self	1545	$self
1021	}	1546	}
1022		1547
		1548	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1549
		1550	=cut
		1551
		1552	sub send_msg {
		1553	my $ns = shift->ns
		1554	or return;
		1555	$ns->send_msg (@_);
		1556	}
		1557
1023	=item $pl->quit_character	1558	=item $pl->quit_character
1024		1559
1025	Nukes the player without looking back. If logged in, the connection will	1560	Nukes the player without looking back. If logged in, the connection will
1026	be destroyed. May block for a long time.	1561	be destroyed. May block for a long time.
1027		1562
1028	=cut	1563	=cut
1029		1564
1030	sub quit_character {	1565	sub quit_character {
1031	my ($pl) = @_;	1566	my ($pl) = @_;
1032		1567
		1568	my $name = $pl->ob->name;
		1569
1033	$pl->{deny_save} = 1;	1570	$pl->{deny_save} = 1;
1034	$pl->password ("*"); # this should lock out the player until we nuked the dir	1571	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1035		1572
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1573	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1037	$pl->deactivate;	1574	$pl->deactivate;
		1575	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1576	$pl->ob->check_score;
1038	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1577	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1039	$pl->ns->destroy if $pl->ns;	1578	$pl->ns->destroy if $pl->ns;
1040		1579
1041	my $path = playerdir $pl;	1580	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1581	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1582	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1583	delete $cf::PLAYER{$pl->ob->name};
1045	$pl->destroy;	1584	$pl->destroy;
		1585
		1586	my $prefix = qr<^~\Q$name\E/>;
		1587
		1588	# nuke player maps
		1589	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1590
1046	IO::AIO::aio_rmtree $temp;	1591	IO::AIO::aio_rmtree $temp;
		1592	}
		1593
		1594	=item $pl->kick
		1595
		1596	Kicks a player out of the game. This destroys the connection.
		1597
		1598	=cut
		1599
		1600	sub kick {
		1601	my ($pl, $kicker) = @_;
		1602
		1603	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1604	$pl->killer ("kicked");
		1605	$pl->ns->destroy;
1047	}	1606	}
1048		1607
1049	=item cf::player::list_logins	1608	=item cf::player::list_logins
1050		1609
1051	Returns am arrayref of all valid playernames in the system, can take a	1610	Returns am arrayref of all valid playernames in the system, can take a
1052	while and may block, so not sync_job-capable, ever.	1611	while and may block, so not sync_job-capable, ever.
1053		1612
1054	=cut	1613	=cut
1055		1614
1056	sub list_logins {	1615	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1616	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1617	or return [];
1059		1618
1060	my @logins;	1619	my @logins;
1061		1620
1062	for my $login (@$dirs) {	1621	for my $login (@$dirs) {
		1622	my $path = path $login;
		1623
		1624	# a .pst is a dead give-away for a valid player
		1625	# if no pst file found, open and chekc for blocked users
		1626	if (aio_stat "$path.pst") {
1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1627	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1064	aio_read $fh, 0, 512, my $buf, 0 or next;	1628	aio_read $fh, 0, 512, my $buf, 0 or next;
1065	$buf !~ /^password -------------$/m or next; # official not-valid tag	1629	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1630	}
1066		1631
1067	utf8::decode $login;	1632	utf8::decode $login;
1068	push @logins, $login;	1633	push @logins, $login;
1069	}	1634	}
1070		1635
…		…
1097	}	1662	}
1098		1663
1099	\@paths	1664	\@paths
1100	}	1665	}
1101		1666
		1667	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1668
		1669	Expand deliantra pod fragments into protocol xml.
		1670
1102	=item $player->ext_reply ($msgid, $msgtype, %msg)	1671	=item $player->ext_reply ($msgid, @msg)
1103		1672
1104	Sends an ext reply to the player.	1673	Sends an ext reply to the player.
1105		1674
1106	=cut	1675	=cut
1107		1676
1108	sub ext_reply($$$%) {	1677	sub ext_reply($$@) {
1109	my ($self, $id, %msg) = @_;	1678	my ($self, $id, @msg) = @_;
1110		1679
1111	$msg{msgid} = $id;	1680	$self->ns->ext_reply ($id, @msg)
1112
1113	$self->send ("ext " . cf::to_json \%msg);
1114	}	1681	}
1115		1682
1116	package cf;	1683	=item $player->ext_msg ($type, @msg)
		1684
		1685	Sends an ext event to the client.
		1686
		1687	=cut
		1688
		1689	sub ext_msg($$@) {
		1690	my ($self, $type, @msg) = @_;
		1691
		1692	$self->ns->ext_msg ($type, @msg);
		1693	}
		1694
		1695	=head3 cf::region
		1696
		1697	=over 4
		1698
		1699	=cut
		1700
		1701	package cf::region;
		1702
		1703	=item cf::region::find_by_path $path
		1704
		1705	Tries to decuce the likely region for a map knowing only its path.
		1706
		1707	=cut
		1708
		1709	sub find_by_path($) {
		1710	my ($path) = @_;
		1711
		1712	my ($match, $specificity);
		1713
		1714	for my $region (list) {
		1715	if ($region->{match} && $path =~ $region->{match}) {
		1716	($match, $specificity) = ($region, $region->specificity)
		1717	if $region->specificity > $specificity;
		1718	}
		1719	}
		1720
		1721	$match
		1722	}
1117		1723
1118	=back	1724	=back
1119
1120		1725
1121	=head3 cf::map	1726	=head3 cf::map
1122		1727
1123	=over 4	1728	=over 4
1124		1729
…		…
1136	our $MAX_RESET = 3600;	1741	our $MAX_RESET = 3600;
1137	our $DEFAULT_RESET = 3000;	1742	our $DEFAULT_RESET = 3000;
1138		1743
1139	sub generate_random_map {	1744	sub generate_random_map {
1140	my ($self, $rmp) = @_;	1745	my ($self, $rmp) = @_;
		1746
		1747	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1748
1141	# mit "rum" bekleckern, nicht	1749	# mit "rum" bekleckern, nicht
1142	$self->_create_random_map (	1750	$self->_create_random_map (
1143	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1751	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1144	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1752	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1145	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1753	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1179	my ($self, $merge) = @_;	1787	my ($self, $merge) = @_;
1180		1788
1181	# we have to keep some variables in memory intact	1789	# we have to keep some variables in memory intact
1182	local $self->{path};	1790	local $self->{path};
1183	local $self->{load_path};	1791	local $self->{load_path};
1184	local $self->{deny_save};
1185	local $self->{deny_reset};
1186		1792
1187	$self->SUPER::thawer_merge ($merge);	1793	$self->SUPER::thawer_merge ($merge);
1188	}	1794	}
1189		1795
1190	sub normalise {	1796	sub normalise {
…		…
1237	$self->init; # pass $1 etc.	1843	$self->init; # pass $1 etc.
1238	return $self;	1844	return $self;
1239	}	1845	}
1240	}	1846	}
1241		1847
1242	Carp::carp "unable to resolve path '$path' (base '$base').";	1848	Carp::cluck "unable to resolve path '$path' (base '$base').";
1243	()	1849	()
1244	}	1850	}
1245		1851
1246	sub init {	1852	sub init {
1247	my ($self) = @_;	1853	my ($self) = @_;
…		…
1262		1868
1263	# the original (read-only) location	1869	# the original (read-only) location
1264	sub load_path {	1870	sub load_path {
1265	my ($self) = @_;	1871	my ($self) = @_;
1266		1872
1267	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1873	"$MAPDIR/$self->{path}.map"
1268	}	1874	}
1269		1875
1270	# the temporary/swap location	1876	# the temporary/swap location
1271	sub save_path {	1877	sub save_path {
1272	my ($self) = @_;	1878	my ($self) = @_;
1273		1879
1274	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1880	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1275	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1881	"$TMPDIR/$path.map"
1276	}	1882	}
1277		1883
1278	# the unique path, undef == no special unique path	1884	# the unique path, undef == no special unique path
1279	sub uniq_path {	1885	sub uniq_path {
1280	my ($self) = @_;	1886	my ($self) = @_;
1281		1887
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1888	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1283	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1889	"$UNIQUEDIR/$path"
1284	}	1890	}
1285		1891
1286	# and all this just because we cannot iterate over	1892	# and all this just because we cannot iterate over
1287	# all maps in C++...	1893	# all maps in C++...
1288	sub change_all_map_light {	1894	sub change_all_map_light {
…		…
1290		1896
1291	$_->change_map_light ($change)	1897	$_->change_map_light ($change)
1292	for grep $_->outdoor, values %cf::MAP;	1898	for grep $_->outdoor, values %cf::MAP;
1293	}	1899	}
1294		1900
		1901	sub decay_objects {
		1902	my ($self) = @_;
		1903
		1904	return if $self->{deny_reset};
		1905
		1906	$self->do_decay_objects;
		1907	}
		1908
1295	sub unlink_save {	1909	sub unlink_save {
1296	my ($self) = @_;	1910	my ($self) = @_;
1297		1911
1298	utf8::encode (my $save = $self->save_path);	1912	utf8::encode (my $save = $self->save_path);
1299	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1913	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1302		1916
1303	sub load_header_from($) {	1917	sub load_header_from($) {
1304	my ($self, $path) = @_;	1918	my ($self, $path) = @_;
1305		1919
1306	utf8::encode $path;	1920	utf8::encode $path;
1307	#aio_open $path, O_RDONLY, 0	1921	my $f = new_from_file cf::object::thawer $path
1308	# or return;
1309
1310	$self->_load_header ($path)
1311	or return;	1922	or return;
		1923
		1924	$self->_load_header ($f)
		1925	or return;
		1926
		1927	local $MAP_LOADING{$self->{path}} = $self;
		1928	$f->resolve_delayed_derefs;
1312		1929
1313	$self->{load_path} = $path;	1930	$self->{load_path} = $path;
1314		1931
1315	1	1932	1
1316	}	1933	}
…		…
1355	$self->load_header_orig	1972	$self->load_header_orig
1356	or return;	1973	or return;
1357	$self->prepare_orig;	1974	$self->prepare_orig;
1358	}	1975	}
1359		1976
		1977	$self->{deny_reset} = 1
		1978	if $self->no_reset;
		1979
		1980	$self->default_region (cf::region::find_by_path $self->{path})
		1981	unless $self->default_region;
		1982
1360	1	1983	1
1361	}	1984	}
1362		1985
1363	sub find;	1986	sub find;
1364	sub find {	1987	sub find {
1365	my ($path, $origin) = @_;	1988	my ($path, $origin) = @_;
1366		1989
1367	$path = normalise $path, $origin && $origin->path;	1990	$path = normalise $path, $origin && $origin->path;
1368		1991
		1992	cf::lock_wait "map_data:$path";#d#remove
1369	cf::lock_wait "map_find:$path";	1993	cf::lock_wait "map_find:$path";
1370		1994
1371	$cf::MAP{$path} || do {	1995	$cf::MAP{$path} || do {
		1996	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1372	my $guard = cf::lock_acquire "map_find:$path";	1997	my $guard2 = cf::lock_acquire "map_find:$path";
		1998
1373	my $map = new_from_path cf::map $path	1999	my $map = new_from_path cf::map $path
1374	or return;	2000	or return;
1375		2001
1376	$map->{last_save} = $cf::RUNTIME;	2002	$map->{last_save} = $cf::RUNTIME;
1377		2003
1378	$map->load_header	2004	$map->load_header
1379	or return;	2005	or return;
1380		2006
1381	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2007	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1382	# doing this can freeze the server in a sync job, obviously	2008	# doing this can freeze the server in a sync job, obviously
1383	#$cf::WAIT_FOR_TICK->wait;	2009	#$cf::WAIT_FOR_TICK->wait;
		2010	undef $guard2;
		2011	undef $guard1;
1384	$map->reset;	2012	$map->reset;
1385	undef $guard;
1386	return find $path;	2013	return find $path;
1387	}	2014	}
1388		2015
1389	$cf::MAP{$path} = $map	2016	$cf::MAP{$path} = $map
1390	}	2017	}
…		…
1397	my ($self) = @_;	2024	my ($self) = @_;
1398		2025
1399	local $self->{deny_reset} = 1; # loading can take a long time	2026	local $self->{deny_reset} = 1; # loading can take a long time
1400		2027
1401	my $path = $self->{path};	2028	my $path = $self->{path};
		2029
		2030	{
1402	my $guard = cf::lock_acquire "map_load:$path";	2031	my $guard = cf::lock_acquire "map_data:$path";
1403		2032
		2033	return unless $self->valid;
1404	return if $self->in_memory != cf::MAP_SWAPPED;	2034	return unless $self->in_memory == cf::MAP_SWAPPED;
1405		2035
1406	$self->in_memory (cf::MAP_LOADING);	2036	$self->in_memory (cf::MAP_LOADING);
1407		2037
1408	$self->alloc;	2038	$self->alloc;
1409		2039
1410	$self->pre_load;	2040	$self->pre_load;
		2041	cf::cede_to_tick;
1411		2042
1412	$self->_load_objects ($self->{load_path}, 1)	2043	my $f = new_from_file cf::object::thawer $self->{load_path};
		2044	$f->skip_block;
		2045	$self->_load_objects ($f)
1413	or return;	2046	or return;
1414		2047
1415	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2048	$self->post_load_original
1416	if delete $self->{load_original};	2049	if delete $self->{load_original};
1417		2050
1418	if (my $uniq = $self->uniq_path) {	2051	if (my $uniq = $self->uniq_path) {
1419	utf8::encode $uniq;	2052	utf8::encode $uniq;
1420	if (aio_open $uniq, O_RDONLY, 0) {	2053	unless (aio_stat $uniq) {
		2054	if (my $f = new_from_file cf::object::thawer $uniq) {
1421	$self->clear_unique_items;	2055	$self->clear_unique_items;
1422	$self->_load_objects ($uniq, 0);	2056	$self->_load_objects ($f);
		2057	$f->resolve_delayed_derefs;
		2058	}
1423	}	2059	}
1424	}	2060	}
1425		2061
1426	Coro::cede;	2062	$f->resolve_delayed_derefs;
1427		2063
		2064	cf::cede_to_tick;
1428	# now do the right thing for maps	2065	# now do the right thing for maps
1429	$self->link_multipart_objects;	2066	$self->link_multipart_objects;
1430
1431	unless ($self->{deny_activate}) {
1432	$self->decay_objects;
1433	$self->fix_auto_apply;
1434	$self->update_buttons;
1435	Coro::cede;
1436	$self->set_darkness_map;
1437	$self->difficulty ($self->estimate_difficulty)	2067	$self->difficulty ($self->estimate_difficulty)
1438	unless $self->difficulty;	2068	unless $self->difficulty;
1439	Coro::cede;	2069	cf::cede_to_tick;
		2070
		2071	unless ($self->{deny_activate}) {
		2072	$self->decay_objects;
		2073	$self->fix_auto_apply;
		2074	$self->update_buttons;
		2075	cf::cede_to_tick;
		2076	$self->set_darkness_map;
		2077	cf::cede_to_tick;
1440	$self->activate;	2078	$self->activate;
		2079	}
		2080
		2081	$self->{last_save} = $cf::RUNTIME;
		2082	$self->last_access ($cf::RUNTIME);
		2083
		2084	$self->in_memory (cf::MAP_ACTIVE);
1441	}	2085	}
1442		2086
1443	$self->post_load;	2087	$self->post_load;
1444
1445	$self->in_memory (cf::MAP_IN_MEMORY);
1446	}	2088	}
1447		2089
1448	sub customise_for {	2090	sub customise_for {
1449	my ($self, $ob) = @_;	2091	my ($self, $ob) = @_;
1450		2092
1451	return find "~" . $ob->name . "/" . $self->{path}	2093	return find "~" . $ob->name . "/" . $self->{path}
1452	if $self->per_player;	2094	if $self->per_player;
1453		2095
		2096	# return find "?party/" . $ob->name . "/" . $self->{path}
		2097	# if $self->per_party;
		2098
1454	$self	2099	$self
1455	}	2100	}
1456		2101
1457	# find and load all maps in the 3x3 area around a map	2102	# find and load all maps in the 3x3 area around a map
1458	sub load_diag {	2103	sub load_neighbours {
1459	my ($map) = @_;	2104	my ($map) = @_;
1460		2105
1461	my @diag; # diagonal neighbours	2106	my @neigh; # diagonal neighbours
1462		2107
1463	for (0 .. 3) {	2108	for (0 .. 3) {
1464	my $neigh = $map->tile_path ($_)	2109	my $neigh = $map->tile_path ($_)
1465	or next;	2110	or next;
1466	$neigh = find $neigh, $map	2111	$neigh = find $neigh, $map
1467	or next;	2112	or next;
1468	$neigh->load;	2113	$neigh->load;
1469		2114
		2115	push @neigh,
1470	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2116	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1471	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2117	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1472	}	2118	}
1473		2119
1474	for (@diag) {	2120	for (grep defined $_->[0], @neigh) {
		2121	my ($path, $origin) = @$_;
1475	my $neigh = find @$_	2122	my $neigh = find $path, $origin
1476	or next;	2123	or next;
1477	$neigh->load;	2124	$neigh->load;
1478	}	2125	}
1479	}	2126	}
1480		2127
…		…
1485	}	2132	}
1486		2133
1487	sub do_load_sync {	2134	sub do_load_sync {
1488	my ($map) = @_;	2135	my ($map) = @_;
1489		2136
		2137	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2138	if $Coro::current == $Coro::main;
		2139
1490	cf::sync_job { $map->load };	2140	cf::sync_job { $map->load };
1491	}	2141	}
1492		2142
1493	our %MAP_PREFETCH;	2143	our %MAP_PREFETCH;
1494	our $MAP_PREFETCHER = undef;	2144	our $MAP_PREFETCHER = undef;
1495		2145
1496	sub find_async {	2146	sub find_async {
1497	my ($path, $origin) = @_;	2147	my ($path, $origin, $load) = @_;
1498		2148
1499	$path = normalise $path, $origin && $origin->{path};	2149	$path = normalise $path, $origin && $origin->{path};
1500		2150
1501	if (my $map = $cf::MAP{$path}) {	2151	if (my $map = $cf::MAP{$path}) {
1502	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2152	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1503	}	2153	}
1504		2154
1505	undef $MAP_PREFETCH{$path};	2155	$MAP_PREFETCH{$path} |= $load;
		2156
1506	$MAP_PREFETCHER ||= cf::async {	2157	$MAP_PREFETCHER ||= cf::async {
		2158	$Coro::current->{desc} = "map prefetcher";
		2159
1507	while (%MAP_PREFETCH) {	2160	while (%MAP_PREFETCH) {
1508	for my $path (keys %MAP_PREFETCH) {	2161	while (my ($k, $v) = each %MAP_PREFETCH) {
1509	my $map = find $path	2162	if (my $map = find $k) {
1510	or next;
1511	$map->load;	2163	$map->load if $v;
		2164	}
1512		2165
1513	delete $MAP_PREFETCH{$path};	2166	delete $MAP_PREFETCH{$k};
1514	}	2167	}
1515	}	2168	}
1516	undef $MAP_PREFETCHER;	2169	undef $MAP_PREFETCHER;
1517	};	2170	};
1518	$MAP_PREFETCHER->prio (6);	2171	$MAP_PREFETCHER->prio (6);
…		…
1521	}	2174	}
1522		2175
1523	sub save {	2176	sub save {
1524	my ($self) = @_;	2177	my ($self) = @_;
1525		2178
1526	my $lock = cf::lock_acquire "map_data:" . $self->path;	2179	my $lock = cf::lock_acquire "map_data:$self->{path}";
1527		2180
1528	$self->{last_save} = $cf::RUNTIME;	2181	$self->{last_save} = $cf::RUNTIME;
1529		2182
1530	return unless $self->dirty;	2183	return unless $self->dirty;
1531		2184
…		…
1537	return if $self->{deny_save};	2190	return if $self->{deny_save};
1538		2191
1539	local $self->{last_access} = $self->last_access;#d#	2192	local $self->{last_access} = $self->last_access;#d#
1540		2193
1541	cf::async {	2194	cf::async {
		2195	$Coro::current->{desc} = "map player save";
1542	$_->contr->save for $self->players;	2196	$_->contr->save for $self->players;
1543	};	2197	};
		2198
		2199	cf::get_slot 0.02;
1544		2200
1545	if ($uniq) {	2201	if ($uniq) {
1546	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2202	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1547	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2203	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1548	} else {	2204	} else {
…		…
1554	my ($self) = @_;	2210	my ($self) = @_;
1555		2211
1556	# save first because save cedes	2212	# save first because save cedes
1557	$self->save;	2213	$self->save;
1558		2214
1559	my $lock = cf::lock_acquire "map_data:" . $self->path;	2215	my $lock = cf::lock_acquire "map_data:$self->{path}";
1560		2216
1561	return if $self->players;	2217	return if $self->players;
1562	return if $self->in_memory != cf::MAP_IN_MEMORY;	2218	return if $self->in_memory != cf::MAP_ACTIVE;
1563	return if $self->{deny_save};	2219	return if $self->{deny_save};
1564		2220
		2221	$self->in_memory (cf::MAP_SWAPPED);
		2222
		2223	$self->deactivate;
		2224	$_->clear_links_to ($self) for values %cf::MAP;
1565	$self->clear;	2225	$self->clear;
1566	$self->in_memory (cf::MAP_SWAPPED);
1567	}	2226	}
1568		2227
1569	sub reset_at {	2228	sub reset_at {
1570	my ($self) = @_;	2229	my ($self) = @_;
1571		2230
1572	# TODO: safety, remove and allow resettable per-player maps	2231	# TODO: safety, remove and allow resettable per-player maps
1573	return 1e99 if $self->isa ("ext::map_per_player");#d#
1574	return 1e99 if $self->{deny_reset};	2232	return 1e99 if $self->{deny_reset};
1575		2233
1576	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2234	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1577	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2235	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1578		2236
…		…
1589	my ($self) = @_;	2247	my ($self) = @_;
1590		2248
1591	my $lock = cf::lock_acquire "map_data:$self->{path}";	2249	my $lock = cf::lock_acquire "map_data:$self->{path}";
1592		2250
1593	return if $self->players;	2251	return if $self->players;
1594	return if $self->isa ("ext::map_per_player");#d#
1595		2252
1596	warn "resetting map ", $self->path;#d#	2253	warn "resetting map ", $self->path;
1597		2254
1598	$self->in_memory (cf::MAP_SWAPPED);	2255	$self->in_memory (cf::MAP_SWAPPED);
1599		2256
1600	# need to save uniques path	2257	# need to save uniques path
1601	unless ($self->{deny_save}) {	2258	unless ($self->{deny_save}) {
…		…
1605	if $uniq;	2262	if $uniq;
1606	}	2263	}
1607		2264
1608	delete $cf::MAP{$self->path};	2265	delete $cf::MAP{$self->path};
1609		2266
		2267	$self->deactivate;
		2268	$_->clear_links_to ($self) for values %cf::MAP;
1610	$self->clear;	2269	$self->clear;
1611
1612	$_->clear_links_to ($self) for values %cf::MAP;
1613		2270
1614	$self->unlink_save;	2271	$self->unlink_save;
1615	$self->destroy;	2272	$self->destroy;
1616	}	2273	}
1617		2274
1618	my $nuke_counter = "aaaa";	2275	my $nuke_counter = "aaaa";
1619		2276
1620	sub nuke {	2277	sub nuke {
1621	my ($self) = @_;	2278	my ($self) = @_;
1622		2279
		2280	{
		2281	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2282
1623	delete $cf::MAP{$self->path};	2283	delete $cf::MAP{$self->path};
1624		2284
1625	$self->unlink_save;	2285	$self->unlink_save;
1626		2286
1627	bless $self, "cf::map";	2287	bless $self, "cf::map";
1628	delete $self->{deny_reset};	2288	delete $self->{deny_reset};
1629	$self->{deny_save} = 1;	2289	$self->{deny_save} = 1;
1630	$self->reset_timeout (1);	2290	$self->reset_timeout (1);
1631	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2291	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1632		2292
1633	$cf::MAP{$self->path} = $self;	2293	$cf::MAP{$self->path} = $self;
		2294	}
1634		2295
1635	$self->reset; # polite request, might not happen	2296	$self->reset; # polite request, might not happen
		2297	}
		2298
		2299	=item $maps = cf::map::tmp_maps
		2300
		2301	Returns an arrayref with all map paths of currently instantiated and saved
		2302	maps. May block.
		2303
		2304	=cut
		2305
		2306	sub tmp_maps() {
		2307	[
		2308	map {
		2309	utf8::decode $_;
		2310	/\.map$/
		2311	? normalise $_
		2312	: ()
		2313	} @{ aio_readdir $TMPDIR or [] }
		2314	]
		2315	}
		2316
		2317	=item $maps = cf::map::random_maps
		2318
		2319	Returns an arrayref with all map paths of currently instantiated and saved
		2320	random maps. May block.
		2321
		2322	=cut
		2323
		2324	sub random_maps() {
		2325	[
		2326	map {
		2327	utf8::decode $_;
		2328	/\.map$/
		2329	? normalise "?random/$_"
		2330	: ()
		2331	} @{ aio_readdir $RANDOMDIR or [] }
		2332	]
1636	}	2333	}
1637		2334
1638	=item cf::map::unique_maps	2335	=item cf::map::unique_maps
1639		2336
1640	Returns an arrayref of paths of all shared maps that have	2337	Returns an arrayref of paths of all shared maps that have
1641	instantiated unique items. May block.	2338	instantiated unique items. May block.
1642		2339
1643	=cut	2340	=cut
1644		2341
1645	sub unique_maps() {	2342	sub unique_maps() {
1646	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2343	[
1647	or return;	2344	map {
1648
1649	my @paths;
1650
1651	for (@$files) {
1652	utf8::decode $_;	2345	utf8::decode $_;
1653	next if /\.pst$/;	2346	s/\.map$//; # TODO future compatibility hack
1654	next unless /^$PATH_SEP/o;	2347	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1655		2348	? ()
1656	push @paths, cf::map::normalise $_;	2349	: normalise $_
		2350	} @{ aio_readdir $UNIQUEDIR or [] }
1657	}	2351	]
1658
1659	\@paths
1660	}	2352	}
1661
1662	package cf;
1663		2353
1664	=back	2354	=back
1665		2355
1666	=head3 cf::object	2356	=head3 cf::object
1667		2357
…		…
1671		2361
1672	=over 4	2362	=over 4
1673		2363
1674	=item $ob->inv_recursive	2364	=item $ob->inv_recursive
1675		2365
1676	Returns the inventory of the object _and_ their inventories, recursively.	2366	Returns the inventory of the object I<and> their inventories, recursively,
		2367	but I<not> the object itself.
1677		2368
1678	=cut	2369	=cut
1679		2370
1680	sub inv_recursive_;	2371	sub inv_recursive_;
1681	sub inv_recursive_ {	2372	sub inv_recursive_ {
…		…
1684		2375
1685	sub inv_recursive {	2376	sub inv_recursive {
1686	inv_recursive_ inv $_[0]	2377	inv_recursive_ inv $_[0]
1687	}	2378	}
1688		2379
		2380	=item $ref = $ob->ref
		2381
		2382	Creates and returns a persistent reference to an object that can be stored as a string.
		2383
		2384	=item $ob = cf::object::deref ($refstring)
		2385
		2386	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2387	even if the object actually exists. May block.
		2388
		2389	=cut
		2390
		2391	sub deref {
		2392	my ($ref) = @_;
		2393
		2394	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2395	my ($uuid, $name) = ($1, $2);
		2396	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2397	or return;
		2398	$pl->ob->uuid eq $uuid
		2399	or return;
		2400
		2401	$pl->ob
		2402	} else {
		2403	warn "$ref: cannot resolve object reference\n";
		2404	undef
		2405	}
		2406	}
		2407
1689	package cf;	2408	package cf;
1690		2409
1691	=back	2410	=back
1692		2411
1693	=head3 cf::object::player	2412	=head3 cf::object::player
…		…
1699	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2418	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1700	can be C<undef>. Does the right thing when the player is currently in a	2419	can be C<undef>. Does the right thing when the player is currently in a
1701	dialogue with the given NPC character.	2420	dialogue with the given NPC character.
1702		2421
1703	=cut	2422	=cut
		2423
		2424	our $SAY_CHANNEL = {
		2425	id => "say",
		2426	title => "Map",
		2427	reply => "say ",
		2428	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2429	};
		2430
		2431	our $CHAT_CHANNEL = {
		2432	id => "chat",
		2433	title => "Chat",
		2434	reply => "chat ",
		2435	tooltip => "Player chat and shouts, global to the server.",
		2436	};
1704		2437
1705	# rough implementation of a future "reply" method that works	2438	# rough implementation of a future "reply" method that works
1706	# with dialog boxes.	2439	# with dialog boxes.
1707	#TODO: the first argument must go, split into a $npc->reply_to ( method	2440	#TODO: the first argument must go, split into a $npc->reply_to ( method
1708	sub cf::object::player::reply($$$;$) {	2441	sub cf::object::player::reply($$$;$) {
…		…
1710		2443
1711	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2444	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1712		2445
1713	if ($self->{record_replies}) {	2446	if ($self->{record_replies}) {
1714	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2447	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2448
1715	} else {	2449	} else {
		2450	my $pl = $self->contr;
		2451
		2452	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2453	my $dialog = $pl->{npc_dialog};
		2454	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2455
		2456	} else {
1716	$msg = $npc->name . " says: $msg" if $npc;	2457	$msg = $npc->name . " says: $msg" if $npc;
1717	$self->message ($msg, $flags);	2458	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2459	}
1718	}	2460	}
		2461	}
		2462
		2463	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2464
		2465	=cut
		2466
		2467	sub cf::object::send_msg {
		2468	my $pl = shift->contr
		2469	or return;
		2470	$pl->send_msg (@_);
1719	}	2471	}
1720		2472
1721	=item $player_object->may ("access")	2473	=item $player_object->may ("access")
1722		2474
1723	Returns wether the given player is authorized to access resource "access"	2475	Returns wether the given player is authorized to access resource "access"
…		…
1736		2488
1737	=item $player_object->enter_link	2489	=item $player_object->enter_link
1738		2490
1739	Freezes the player and moves him/her to a special map (C<{link}>).	2491	Freezes the player and moves him/her to a special map (C<{link}>).
1740		2492
1741	The player should be reasonably safe there for short amounts of time. You	2493	The player should be reasonably safe there for short amounts of time (e.g.
1742	I<MUST> call C<leave_link> as soon as possible, though.	2494	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2495	though, as the palyer cannot control the character while it is on the link
		2496	map.
1743		2497
1744	Will never block.	2498	Will never block.
1745		2499
1746	=item $player_object->leave_link ($map, $x, $y)	2500	=item $player_object->leave_link ($map, $x, $y)
1747		2501
…		…
1770	$self->deactivate_recursive;	2524	$self->deactivate_recursive;
1771		2525
1772	return if UNIVERSAL::isa $self->map, "ext::map_link";	2526	return if UNIVERSAL::isa $self->map, "ext::map_link";
1773		2527
1774	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2528	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1775	if $self->map;	2529	if $self->map && $self->map->{path} ne "{link}";
1776		2530
1777	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2531	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1778	}	2532	}
1779		2533
1780	sub cf::object::player::leave_link {	2534	sub cf::object::player::leave_link {
1781	my ($self, $map, $x, $y) = @_;	2535	my ($self, $map, $x, $y) = @_;
		2536
		2537	return unless $self->contr->active;
1782		2538
1783	my $link_pos = delete $self->{_link_pos};	2539	my $link_pos = delete $self->{_link_pos};
1784		2540
1785	unless ($map) {	2541	unless ($map) {
1786	# restore original map position	2542	# restore original map position
…		…
1800	# use -1 or undef as default coordinates, not 0, 0	2556	# use -1 or undef as default coordinates, not 0, 0
1801	($x, $y) = ($map->enter_x, $map->enter_y)	2557	($x, $y) = ($map->enter_x, $map->enter_y)
1802	if $x <=0 && $y <= 0;	2558	if $x <=0 && $y <= 0;
1803		2559
1804	$map->load;	2560	$map->load;
1805	$map->load_diag;	2561	$map->load_neighbours;
1806		2562
1807	return unless $self->contr->active;	2563	return unless $self->contr->active;
		2564	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1808	$self->activate_recursive;	2565	$self->activate_recursive;
1809		2566
1810	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2567	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1811	$self->enter_map ($map, $x, $y);	2568	$self->enter_map ($map, $x, $y);
1812	}	2569	}
1813		2570
1814	cf::player->attach (	2571	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1815	on_logout => sub {
1816	my ($pl) = @_;
1817		2572
1818	# abort map switching before logout	2573	Moves the player to the given map-path and coordinates by first freezing
1819	if ($pl->ob->{_link_pos}) {	2574	her, loading and preparing them map, calling the provided $check callback
1820	cf::sync_job {	2575	that has to return the map if sucecssful, and then unfreezes the player on
1821	$pl->ob->leave_link	2576	the new (success) or old (failed) map position. In either case, $done will
1822	};	2577	be called at the end of this process.
1823	}
1824	},
1825	on_login => sub {
1826	my ($pl) = @_;
1827		2578
1828	# try to abort aborted map switching on player login :)	2579	Note that $check will be called with a potentially non-loaded map, so if
1829	# should happen only on crashes	2580	it needs a loaded map it has to call C<< ->load >>.
1830	if ($pl->ob->{_link_pos}) {
1831	$pl->ob->enter_link;
1832	(async {
1833	$pl->ob->reply (undef,
1834	"There was an internal problem at your last logout, "
1835	. "the server will try to bring you to your intended destination in a second.",
1836	cf::NDI_RED);
1837	# we need this sleep as the login has a concurrent enter_exit running
1838	# and this sleep increases chances of the player not ending up in scorn
1839	Coro::Timer::sleep 1;
1840	$pl->ob->leave_link;
1841	})->prio (2);
1842	}
1843	},
1844	);
1845		2581
1846	=item $player_object->goto ($path, $x, $y)
1847
1848	=cut	2582	=cut
		2583
		2584	our $GOTOGEN;
1849		2585
1850	sub cf::object::player::goto {	2586	sub cf::object::player::goto {
1851	my ($self, $path, $x, $y) = @_;	2587	my ($self, $path, $x, $y, $check, $done) = @_;
		2588
		2589	# do generation counting so two concurrent goto's will be executed in-order
		2590	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1852		2591
1853	$self->enter_link;	2592	$self->enter_link;
1854		2593
1855	(async {	2594	(async {
		2595	$Coro::current->{desc} = "player::goto $path $x $y";
		2596
		2597	# *tag paths override both path and x|y
		2598	if ($path =~ /^\*(.*)$/) {
		2599	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2600	my $ob = $obs[rand @obs];
		2601
		2602	# see if we actually can go there
		2603	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2604	$ob = $obs[rand @obs];
		2605	} else {
		2606	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2607	}
		2608	# else put us there anyways for now #d#
		2609
		2610	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2611	} else {
		2612	($path, $x, $y) = (undef, undef, undef);
		2613	}
		2614	}
		2615
1856	my $map = eval {	2616	my $map = eval {
1857	my $map = cf::map::find $path;	2617	my $map = defined $path ? cf::map::find $path : undef;
		2618
		2619	if ($map) {
1858	$map = $map->customise_for ($self) if $map;	2620	$map = $map->customise_for ($self);
		2621	$map = $check->($map) if $check && $map;
		2622	} else {
		2623	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2624	}
		2625
1859	$map	2626	$map
		2627	};
		2628
		2629	if ($@) {
		2630	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2631	LOG llevError | logBacktrace, Carp::longmess $@;
1860	} or	2632	}
1861	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1862		2633
		2634	if ($gen == $self->{_goto_generation}) {
		2635	delete $self->{_goto_generation};
1863	$self->leave_link ($map, $x, $y);	2636	$self->leave_link ($map, $x, $y);
		2637	}
		2638
		2639	$done->() if $done;
1864	})->prio (1);	2640	})->prio (1);
1865	}	2641	}
1866		2642
1867	=item $player_object->enter_exit ($exit_object)	2643	=item $player_object->enter_exit ($exit_object)
1868		2644
…		…
1888	}	2664	}
1889		2665
1890	sub prepare_random_map {	2666	sub prepare_random_map {
1891	my ($exit) = @_;	2667	my ($exit) = @_;
1892		2668
1893	my $guard = cf::lock_acquire "exit_prepare:$exit";
1894
1895	# all this does is basically replace the /! path by	2669	# all this does is basically replace the /! path by
1896	# a new random map path (?random/...) with a seed	2670	# a new random map path (?random/...) with a seed
1897	# that depends on the exit object	2671	# that depends on the exit object
1898		2672
1899	my $rmp = parse_random_map_params $exit->msg;	2673	my $rmp = parse_random_map_params $exit->msg;
…		…
1901	if ($exit->map) {	2675	if ($exit->map) {
1902	$rmp->{region} = $exit->region->name;	2676	$rmp->{region} = $exit->region->name;
1903	$rmp->{origin_map} = $exit->map->path;	2677	$rmp->{origin_map} = $exit->map->path;
1904	$rmp->{origin_x} = $exit->x;	2678	$rmp->{origin_x} = $exit->x;
1905	$rmp->{origin_y} = $exit->y;	2679	$rmp->{origin_y} = $exit->y;
		2680
		2681	$exit->map->touch;
1906	}	2682	}
1907		2683
1908	$rmp->{random_seed} ||= $exit->random_seed;	2684	$rmp->{random_seed} ||= $exit->random_seed;
1909		2685
1910	my $data = cf::to_json $rmp;	2686	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1911	my $md5 = Digest::MD5::md5_hex $data;	2687	my $md5 = Digest::MD5::md5_hex $data;
1912	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2688	my $meta = "$RANDOMDIR/$md5.meta";
1913		2689
1914	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2690	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1915	aio_write $fh, 0, (length $data), $data, 0;	2691	aio_write $fh, 0, (length $data), $data, 0;
1916	undef $fh;	2692	undef $fh;
1917	aio_rename "$meta~", $meta;	2693	aio_rename "$meta~", $meta;
1918		2694
		2695	my $slaying = "?random/$md5";
		2696
		2697	if ($exit->valid) {
1919	$exit->slaying ("?random/$md5");	2698	$exit->slaying ("?random/$md5");
1920	$exit->msg (undef);	2699	$exit->msg (undef);
		2700	}
1921	}	2701	}
1922	}	2702	}
1923		2703
1924	sub cf::object::player::enter_exit {	2704	sub cf::object::player::enter_exit {
1925	my ($self, $exit) = @_;	2705	my ($self, $exit) = @_;
1926		2706
1927	return unless $self->type == cf::PLAYER;	2707	return unless $self->type == cf::PLAYER;
1928		2708
1929	if ($exit->slaying eq "/!") {
1930	#TODO: this should de-fi-ni-te-ly not be a sync-job
1931	cf::sync_job { prepare_random_map $exit };
1932	}
1933
1934	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1935	my $hp = $exit->stats->hp;
1936	my $sp = $exit->stats->sp;
1937
1938	$self->enter_link;	2709	$self->enter_link;
1939		2710
1940	(async {	2711	(async {
1941	$self->deactivate_recursive; # just to be sure	2712	$Coro::current->{desc} = "enter_exit";
		2713
1942	unless (eval {	2714	unless (eval {
		2715	$self->deactivate_recursive; # just to be sure
		2716
		2717	# random map handling
		2718	{
		2719	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2720
		2721	prepare_random_map $exit
		2722	if $exit->slaying eq "/!";
		2723	}
		2724
		2725	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2726	my $x = $exit->stats->hp;
		2727	my $y = $exit->stats->sp;
		2728
1943	$self->goto ($slaying, $hp, $sp);	2729	$self->goto ($map, $x, $y);
1944		2730
		2731	# if exit is damned, update players death & WoR home-position
		2732	$self->contr->savebed ($map, $x, $y)
		2733	if $exit->flag (cf::FLAG_DAMNED);
		2734
1945	1;	2735	1
1946	}) {	2736	}) {
1947	$self->message ("Something went wrong deep within the crossfire server. "	2737	$self->message ("Something went wrong deep within the deliantra server. "
1948	. "I'll try to bring you back to the map you were before. "	2738	. "I'll try to bring you back to the map you were before. "
1949	. "Please report this to the dungeon master!",	2739	. "Please report this to the dungeon master!",
1950	cf::NDI_UNIQUE | cf::NDI_RED);	2740	cf::NDI_UNIQUE | cf::NDI_RED);
1951		2741
1952	warn "ERROR in enter_exit: $@";	2742	warn "ERROR in enter_exit: $@";
1953	$self->leave_link;	2743	$self->leave_link;
1954	}	2744	}
1955	})->prio (1);	2745	})->prio (1);
…		…
1968		2758
1969	sub cf::client::send_drawinfo {	2759	sub cf::client::send_drawinfo {
1970	my ($self, $text, $flags) = @_;	2760	my ($self, $text, $flags) = @_;
1971		2761
1972	utf8::encode $text;	2762	utf8::encode $text;
1973	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2763	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1974	}	2764	}
1975		2765
		2766	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2767
		2768	Send a drawinfo or msg packet to the client, formatting the msg for the
		2769	client if neccessary. C<$type> should be a string identifying the type of
		2770	the message, with C<log> being the default. If C<$color> is negative, suppress
		2771	the message unless the client supports the msg packet.
		2772
		2773	=cut
		2774
		2775	# non-persistent channels (usually the info channel)
		2776	our %CHANNEL = (
		2777	"c/identify" => {
		2778	id => "infobox",
		2779	title => "Identify",
		2780	reply => undef,
		2781	tooltip => "Items recently identified",
		2782	},
		2783	"c/examine" => {
		2784	id => "infobox",
		2785	title => "Examine",
		2786	reply => undef,
		2787	tooltip => "Signs and other items you examined",
		2788	},
		2789	"c/book" => {
		2790	id => "infobox",
		2791	title => "Book",
		2792	reply => undef,
		2793	tooltip => "The contents of a note or book",
		2794	},
		2795	"c/lookat" => {
		2796	id => "infobox",
		2797	title => "Look",
		2798	reply => undef,
		2799	tooltip => "What you saw there",
		2800	},
		2801	"c/who" => {
		2802	id => "infobox",
		2803	title => "Players",
		2804	reply => undef,
		2805	tooltip => "Shows players who are currently online",
		2806	},
		2807	"c/body" => {
		2808	id => "infobox",
		2809	title => "Body Parts",
		2810	reply => undef,
		2811	tooltip => "Shows which body parts you posess and are available",
		2812	},
		2813	"c/skills" => {
		2814	id => "infobox",
		2815	title => "Skills",
		2816	reply => undef,
		2817	tooltip => "Shows your experience per skill and item power",
		2818	},
		2819	"c/uptime" => {
		2820	id => "infobox",
		2821	title => "Uptime",
		2822	reply => undef,
		2823	tooltip => "How long the server has been running since last restart",
		2824	},
		2825	"c/mapinfo" => {
		2826	id => "infobox",
		2827	title => "Map Info",
		2828	reply => undef,
		2829	tooltip => "Information related to the maps",
		2830	},
		2831	"c/party" => {
		2832	id => "party",
		2833	title => "Party",
		2834	reply => "gsay ",
		2835	tooltip => "Messages and chat related to your party",
		2836	},
		2837	);
		2838
		2839	sub cf::client::send_msg {
		2840	my ($self, $channel, $msg, $color, @extra) = @_;
		2841
		2842	$msg = $self->pl->expand_cfpod ($msg)
		2843	unless $color & cf::NDI_VERBATIM;
		2844
		2845	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2846
		2847	# check predefined channels, for the benefit of C
		2848	if ($CHANNEL{$channel}) {
		2849	$channel = $CHANNEL{$channel};
		2850
		2851	$self->ext_msg (channel_info => $channel)
		2852	if $self->can_msg;
		2853
		2854	$channel = $channel->{id};
		2855
		2856	} elsif (ref $channel) {
		2857	# send meta info to client, if not yet sent
		2858	unless (exists $self->{channel}{$channel->{id}}) {
		2859	$self->{channel}{$channel->{id}} = $channel;
		2860	$self->ext_msg (channel_info => $channel)
		2861	if $self->can_msg;
		2862	}
		2863
		2864	$channel = $channel->{id};
		2865	}
		2866
		2867	return unless @extra || length $msg;
		2868
		2869	if ($self->can_msg) {
		2870	# default colour, mask it out
		2871	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2872	if $color & cf::NDI_DEF;
		2873
		2874	my $pkt = "msg "
		2875	. $self->{json_coder}->encode (
		2876	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2877	);
		2878
		2879	# try lzf for large packets
		2880	$pkt = "lzf " . Compress::LZF::compress $pkt
		2881	if 1024 <= length $pkt and $self->{can_lzf};
		2882
		2883	# split very large packets
		2884	if (8192 < length $pkt and $self->{can_lzf}) {
		2885	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2886	$pkt = "frag";
		2887	}
		2888
		2889	$self->send_packet ($pkt);
		2890	} else {
		2891	if ($color >= 0) {
		2892	# replace some tags by gcfclient-compatible ones
		2893	for ($msg) {
		2894	1 while
		2895	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2896	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2897	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2898	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2899	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2900	}
		2901
		2902	$color &= cf::NDI_COLOR_MASK;
		2903
		2904	utf8::encode $msg;
		2905
		2906	if (0 && $msg =~ /\[/) {
		2907	# COMMAND/INFO
		2908	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2909	} else {
		2910	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2911	$self->send_packet ("drawinfo $color $msg")
		2912	}
		2913	}
		2914	}
		2915	}
		2916
		2917	=item $client->ext_msg ($type, @msg)
		2918
		2919	Sends an ext event to the client.
		2920
		2921	=cut
		2922
		2923	sub cf::client::ext_msg($$@) {
		2924	my ($self, $type, @msg) = @_;
		2925
		2926	if ($self->extcmd == 2) {
		2927	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2928	} elsif ($self->extcmd == 1) { # TODO: remove
		2929	push @msg, msgtype => "event_$type";
		2930	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2931	}
		2932	}
		2933
		2934	=item $client->ext_reply ($msgid, @msg)
		2935
		2936	Sends an ext reply to the client.
		2937
		2938	=cut
		2939
		2940	sub cf::client::ext_reply($$@) {
		2941	my ($self, $id, @msg) = @_;
		2942
		2943	if ($self->extcmd == 2) {
		2944	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2945	} elsif ($self->extcmd == 1) {
		2946	#TODO: version 1, remove
		2947	unshift @msg, msgtype => "reply", msgid => $id;
		2948	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2949	}
		2950	}
1976		2951
1977	=item $success = $client->query ($flags, "text", \&cb)	2952	=item $success = $client->query ($flags, "text", \&cb)
1978		2953
1979	Queues a query to the client, calling the given callback with	2954	Queues a query to the client, calling the given callback with
1980	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2955	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1981	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2956	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1982		2957
1983	Queries can fail, so check the return code. Or don't, as queries will become	2958	Queries can fail, so check the return code. Or don't, as queries will
1984	reliable at some point in the future.	2959	become reliable at some point in the future.
1985		2960
1986	=cut	2961	=cut
1987		2962
1988	sub cf::client::query {	2963	sub cf::client::query {
1989	my ($self, $flags, $text, $cb) = @_;	2964	my ($self, $flags, $text, $cb) = @_;
…		…
1997	utf8::encode $text;	2972	utf8::encode $text;
1998	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2973	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1999		2974
2000	$self->send_packet ($self->{query_queue}[0][0])	2975	$self->send_packet ($self->{query_queue}[0][0])
2001	if @{ $self->{query_queue} } == 1;	2976	if @{ $self->{query_queue} } == 1;
		2977
		2978	1
2002	}	2979	}
2003		2980
2004	cf::client->attach (	2981	cf::client->attach (
		2982	on_connect => sub {
		2983	my ($ns) = @_;
		2984
		2985	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2986	},
2005	on_reply => sub {	2987	on_reply => sub {
2006	my ($ns, $msg) = @_;	2988	my ($ns, $msg) = @_;
2007		2989
2008	# this weird shuffling is so that direct followup queries	2990	# this weird shuffling is so that direct followup queries
2009	# get handled first	2991	# get handled first
…		…
2021	} else {	3003	} else {
2022	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3004	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2023	}	3005	}
2024	}	3006	}
2025	},	3007	},
		3008	on_exticmd => sub {
		3009	my ($ns, $buf) = @_;
		3010
		3011	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3012
		3013	if (ref $msg) {
		3014	my ($type, $reply, @payload) =
		3015	"ARRAY" eq ref $msg
		3016	? @$msg
		3017	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3018
		3019	my @reply;
		3020
		3021	if (my $cb = $EXTICMD{$type}) {
		3022	@reply = $cb->($ns, @payload);
		3023	}
		3024
		3025	$ns->ext_reply ($reply, @reply)
		3026	if $reply;
		3027
		3028	} else {
		3029	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3030	}
		3031
		3032	cf::override;
		3033	},
2026	);	3034	);
2027		3035
2028	=item $client->async (\&cb)	3036	=item $client->async (\&cb)
2029		3037
2030	Create a new coroutine, running the specified callback. The coroutine will	3038	Create a new coroutine, running the specified callback. The coroutine will
…		…
2071	our $safe = new Safe "safe";	3079	our $safe = new Safe "safe";
2072	our $safe_hole = new Safe::Hole;	3080	our $safe_hole = new Safe::Hole;
2073		3081
2074	$SIG{FPE} = 'IGNORE';	3082	$SIG{FPE} = 'IGNORE';
2075		3083
2076	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3084	$safe->permit_only (Opcode::opset qw(
		3085	:base_core :base_mem :base_orig :base_math
		3086	grepstart grepwhile mapstart mapwhile
		3087	sort time
		3088	));
2077		3089
2078	# here we export the classes and methods available to script code	3090	# here we export the classes and methods available to script code
2079		3091
2080	=pod	3092	=pod
2081		3093
2082	The following fucntions and emthods are available within a safe environment:	3094	The following functions and methods are available within a safe environment:
2083		3095
2084	cf::object contr pay_amount pay_player map	3096	cf::object
		3097	contr pay_amount pay_player map x y force_find force_add destroy
		3098	insert remove name archname title slaying race decrease split
		3099
2085	cf::object::player player	3100	cf::object::player
2086	cf::player peaceful	3101	player
2087	cf::map trigger	3102
		3103	cf::player
		3104	peaceful
		3105
		3106	cf::map
		3107	trigger
2088		3108
2089	=cut	3109	=cut
2090		3110
2091	for (	3111	for (
2092	["cf::object" => qw(contr pay_amount pay_player map)],	3112	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3113	insert remove inv nrof name archname title slaying race
		3114	decrease split destroy change_exp)],
2093	["cf::object::player" => qw(player)],	3115	["cf::object::player" => qw(player)],
2094	["cf::player" => qw(peaceful)],	3116	["cf::player" => qw(peaceful)],
2095	["cf::map" => qw(trigger)],	3117	["cf::map" => qw(trigger)],
2096	) {	3118	) {
2097	no strict 'refs';	3119	no strict 'refs';
…		…
2168	=back	3190	=back
2169		3191
2170	=cut	3192	=cut
2171		3193
2172	#############################################################################	3194	#############################################################################
2173
2174	=head2 EXTENSION DATABASE SUPPORT
2175
2176	Crossfire maintains a very simple database for extension use. It can
2177	currently store anything that can be serialised using Storable, which
2178	excludes objects.
2179
2180	The parameter C<$family> should best start with the name of the extension
2181	using it, it should be unique.
2182
2183	=over 4
2184
2185	=item $value = cf::db_get $family => $key
2186
2187	Returns a single value from the database.
2188
2189	=item cf::db_put $family => $key => $value
2190
2191	Stores the given C<$value> in the family.
2192
2193	=cut
2194
2195	our $DB;
2196
2197	sub db_init {
2198	unless ($DB) {
2199	$DB = BDB::db_create $DB_ENV;
2200
2201	cf::sync_job {
2202	eval {
2203	$DB->set_flags (BDB::CHKSUM);
2204
2205	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2206	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2207	cf::cleanup "db_open(db): $!" if $!;
2208	};
2209	cf::cleanup "db_open(db): $@" if $@;
2210	};
2211
2212	my $path = cf::localdir . "/database.pst";
2213	if (stat $path) {
2214	cf::sync_job {
2215	my $pst = Storable::retrieve $path;
2216
2217	cf::db_put (board => data => $pst->{board});
2218	cf::db_put (guildrules => data => $pst->{guildrules});
2219	cf::db_put (rent => balance => $pst->{rent}{balance});
2220	BDB::db_env_txn_checkpoint $DB_ENV;
2221
2222	unlink $path;
2223	};
2224	}
2225	}
2226	}
2227
2228	sub db_get($$) {
2229	my $key = "$_[0]/$_[1]";
2230
2231	cf::sync_job {
2232	BDB::db_get $DB, undef, $key, my $data;
2233
2234	$! ? ()
2235	: Compress::LZF::sthaw $data
2236	}
2237	}
2238
2239	sub db_put($$$) {
2240	BDB::dbreq_pri 4;
2241	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2242	}
2243
2244	#############################################################################
2245	# the server's init and main functions	3195	# the server's init and main functions
2246		3196
2247	sub init_resources {	3197	sub load_facedata($) {
2248	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3198	my ($path) = @_;
		3199
		3200	# HACK to clear player env face cache, we need some signal framework
		3201	# for this (global event?)
		3202	%ext::player_env::MUSIC_FACE_CACHE = ();
		3203
		3204	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3205
		3206	warn "loading facedata from $path\n";
		3207
		3208	my $facedata;
		3209	0 < aio_load $path, $facedata
		3210	or die "$path: $!";
		3211
		3212	$facedata = Coro::Storable::thaw $facedata;
		3213
		3214	$facedata->{version} == 2
		3215	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3216
		3217	# patch in the exptable
		3218	$facedata->{resource}{"res/exp_table"} = {
		3219	type => FT_RSRC,
		3220	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3221	};
		3222	cf::cede_to_tick;
		3223
		3224	{
		3225	my $faces = $facedata->{faceinfo};
		3226
		3227	while (my ($face, $info) = each %$faces) {
		3228	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3229
		3230	cf::face::set_visibility $idx, $info->{visibility};
		3231	cf::face::set_magicmap $idx, $info->{magicmap};
		3232	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3233	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3234
		3235	cf::cede_to_tick;
		3236	}
		3237
		3238	while (my ($face, $info) = each %$faces) {
		3239	next unless $info->{smooth};
		3240
		3241	my $idx = cf::face::find $face
		3242	or next;
		3243
		3244	if (my $smooth = cf::face::find $info->{smooth}) {
		3245	cf::face::set_smooth $idx, $smooth;
		3246	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3247	} else {
		3248	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3249	}
		3250
		3251	cf::cede_to_tick;
		3252	}
		3253	}
		3254
		3255	{
		3256	my $anims = $facedata->{animinfo};
		3257
		3258	while (my ($anim, $info) = each %$anims) {
		3259	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3260	cf::cede_to_tick;
		3261	}
		3262
		3263	cf::anim::invalidate_all; # d'oh
		3264	}
		3265
		3266	{
		3267	# TODO: for gcfclient pleasure, we should give resources
		3268	# that gcfclient doesn't grok a >10000 face index.
		3269	my $res = $facedata->{resource};
		3270
		3271	while (my ($name, $info) = each %$res) {
		3272	if (defined $info->{type}) {
		3273	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3274	my $data;
		3275
		3276	if ($info->{type} & 1) {
		3277	# prepend meta info
		3278
		3279	my $meta = $enc->encode ({
		3280	name => $name,
		3281	%{ $info->{meta} || {} },
		3282	});
		3283
		3284	$data = pack "(w/a*)*", $meta, $info->{data};
		3285	} else {
		3286	$data = $info->{data};
		3287	}
		3288
		3289	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3290	cf::face::set_type $idx, $info->{type};
		3291	} else {
		3292	$RESOURCE{$name} = $info;
		3293	}
		3294
		3295	cf::cede_to_tick;
		3296	}
		3297	}
		3298
		3299	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3300
		3301	1
		3302	}
		3303
		3304	cf::global->attach (on_resource_update => sub {
		3305	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3306	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3307
		3308	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3309	my $sound = $soundconf->{compat}[$_]
		3310	or next;
		3311
		3312	my $face = cf::face::find "sound/$sound->[1]";
		3313	cf::sound::set $sound->[0] => $face;
		3314	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3315	}
		3316
		3317	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3318	my $face = cf::face::find "sound/$v";
		3319	cf::sound::set $k => $face;
		3320	}
		3321	}
		3322	});
		3323
		3324	register_exticmd fx_want => sub {
		3325	my ($ns, $want) = @_;
		3326
		3327	while (my ($k, $v) = each %$want) {
		3328	$ns->fx_want ($k, $v);
		3329	}
		3330	};
		3331
		3332	sub load_resource_file($) {
		3333	my $guard = lock_acquire "load_resource_file";
		3334
		3335	my $status = load_resource_file_ $_[0];
		3336	get_slot 0.1, 100;
		3337	cf::arch::commit_load;
		3338
		3339	$status
		3340	}
		3341
		3342	sub reload_regions {
		3343	# HACK to clear player env face cache, we need some signal framework
		3344	# for this (global event?)
		3345	%ext::player_env::MUSIC_FACE_CACHE = ();
		3346
		3347	load_resource_file "$MAPDIR/regions"
2249	or die "unable to load regions file\n";#d#	3348	or die "unable to load regions file\n";
2250	}
2251		3349
2252	sub cfg_load {	3350	for (cf::region::list) {
		3351	$_->{match} = qr/$_->{match}/
		3352	if exists $_->{match};
		3353	}
		3354	}
		3355
		3356	sub reload_facedata {
		3357	load_facedata "$DATADIR/facedata"
		3358	or die "unable to load facedata\n";
		3359	}
		3360
		3361	sub reload_archetypes {
		3362	load_resource_file "$DATADIR/archetypes"
		3363	or die "unable to load archetypes\n";
		3364	}
		3365
		3366	sub reload_treasures {
		3367	load_resource_file "$DATADIR/treasures"
		3368	or die "unable to load treasurelists\n";
		3369	}
		3370
		3371	sub reload_resources {
		3372	warn "reloading resource files...\n";
		3373
		3374	reload_facedata;
		3375	reload_archetypes;
		3376	reload_regions;
		3377	reload_treasures;
		3378
		3379	warn "finished reloading resource files\n";
		3380	}
		3381
		3382	sub reload_config {
2253	open my $fh, "<:utf8", cf::confdir . "/config"	3383	open my $fh, "<:utf8", "$CONFDIR/config"
2254	or return;	3384	or return;
2255		3385
2256	local $/;	3386	local $/;
2257	*CFG = YAML::Syck::Load <$fh>;	3387	*CFG = YAML::Load <$fh>;
2258		3388
2259	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3389	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2260		3390
2261	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3391	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2262	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3392	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2268	};	3398	};
2269	warn $@ if $@;	3399	warn $@ if $@;
2270	}	3400	}
2271	}	3401	}
2272		3402
2273	sub init {	3403	sub pidfile() {
2274	init_resources;	3404	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3405	or die "$PIDFILE: $!";
		3406	flock $fh, &Fcntl::LOCK_EX
		3407	or die "$PIDFILE: flock: $!";
		3408	$fh
		3409	}
		3410
		3411	# make sure only one server instance is running at any one time
		3412	sub atomic {
		3413	my $fh = pidfile;
		3414
		3415	my $pid = <$fh>;
		3416	kill 9, $pid if $pid > 0;
		3417
		3418	seek $fh, 0, 0;
		3419	print $fh $$;
2275	}	3420	}
2276		3421
2277	sub main {	3422	sub main {
		3423	cf::init_globals; # initialise logging
		3424
		3425	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3426	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3427	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3428	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3429
		3430	cf::init_experience;
		3431	cf::init_anim;
		3432	cf::init_attackmess;
		3433	cf::init_dynamic;
		3434	cf::init_block;
		3435
		3436	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3437
2278	# we must not ever block the main coroutine	3438	# we must not ever block the main coroutine
2279	local $Coro::idle = sub {	3439	local $Coro::idle = sub {
2280	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3440	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2281	(async {	3441	(async {
2282	Event::one_event;	3442	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3443	EV::loop EV::LOOP_ONESHOT;
2283	})->prio (Coro::PRIO_MAX);	3444	})->prio (Coro::PRIO_MAX);
2284	};	3445	};
2285		3446
2286	cfg_load;	3447	evthread_start IO::AIO::poll_fileno;
		3448
		3449	cf::sync_job {
		3450	reload_resources;
		3451	reload_config;
2287	db_init;	3452	db_init;
		3453
		3454	cf::load_settings;
		3455	cf::load_materials;
		3456	cf::init_uuid;
		3457	cf::init_signals;
		3458	cf::init_commands;
		3459	cf::init_skills;
		3460
		3461	cf::init_beforeplay;
		3462
		3463	atomic;
		3464
2288	load_extensions;	3465	load_extensions;
2289		3466
2290	$TICK_WATCHER->start;	3467	utime time, time, $RUNTIMEFILE;
		3468
		3469	# no (long-running) fork's whatsoever before this point(!)
		3470	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3471
		3472	(pop @POST_INIT)->(0) while @POST_INIT;
		3473	};
		3474
2291	Event::loop;	3475	EV::loop;
2292	}	3476	}
2293		3477
2294	#############################################################################	3478	#############################################################################
2295	# initialisation and cleanup	3479	# initialisation and cleanup
2296		3480
2297	# install some emergency cleanup handlers	3481	# install some emergency cleanup handlers
2298	BEGIN {	3482	BEGIN {
		3483	our %SIGWATCHER = ();
2299	for my $signal (qw(INT HUP TERM)) {	3484	for my $signal (qw(INT HUP TERM)) {
2300	Event->signal (	3485	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2301	reentrant => 0,
2302	data => WF_AUTOCANCEL,
2303	signal => $signal,
2304	prio => 0,
2305	cb => sub {
2306	cf::cleanup "SIG$signal";	3486	cf::cleanup "SIG$signal";
2307	},
2308	);	3487	};
		3488	}
		3489	}
		3490
		3491	sub write_runtime_sync {
		3492	# first touch the runtime file to show we are still running:
		3493	# the fsync below can take a very very long time.
		3494
		3495	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3496
		3497	my $guard = cf::lock_acquire "write_runtime";
		3498
		3499	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3500	or return;
		3501
		3502	my $value = $cf::RUNTIME + 90 + 10;
		3503	# 10 is the runtime save interval, for a monotonic clock
		3504	# 60 allows for the watchdog to kill the server.
		3505
		3506	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3507	and return;
		3508
		3509	# always fsync - this file is important
		3510	aio_fsync $fh
		3511	and return;
		3512
		3513	# touch it again to show we are up-to-date
		3514	aio_utime $fh, undef, undef;
		3515
		3516	close $fh
		3517	or return;
		3518
		3519	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3520	and return;
		3521
		3522	warn "runtime file written.\n";
		3523
2309	}	3524	1
		3525	}
		3526
		3527	our $uuid_lock;
		3528	our $uuid_skip;
		3529
		3530	sub write_uuid_sync($) {
		3531	$uuid_skip ||= $_[0];
		3532
		3533	return if $uuid_lock;
		3534	local $uuid_lock = 1;
		3535
		3536	my $uuid = "$LOCALDIR/uuid";
		3537
		3538	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3539	or return;
		3540
		3541	my $value = uuid_seq uuid_cur;
		3542
		3543	unless ($value) {
		3544	warn "cowardly refusing to write zero uuid value!\n";
		3545	return;
		3546	}
		3547
		3548	my $value = uuid_str $value + $uuid_skip;
		3549	$uuid_skip = 0;
		3550
		3551	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3552	and return;
		3553
		3554	# always fsync - this file is important
		3555	aio_fsync $fh
		3556	and return;
		3557
		3558	close $fh
		3559	or return;
		3560
		3561	aio_rename "$uuid~", $uuid
		3562	and return;
		3563
		3564	warn "uuid file written ($value).\n";
		3565
		3566	1
		3567
		3568	}
		3569
		3570	sub write_uuid($$) {
		3571	my ($skip, $sync) = @_;
		3572
		3573	$sync ? write_uuid_sync $skip
		3574	: async { write_uuid_sync $skip };
2310	}	3575	}
2311		3576
2312	sub emergency_save() {	3577	sub emergency_save() {
2313	my $freeze_guard = cf::freeze_mainloop;	3578	my $freeze_guard = cf::freeze_mainloop;
2314		3579
2315	warn "enter emergency perl save\n";	3580	warn "emergency_perl_save: enter\n";
2316		3581
2317	cf::sync_job {	3582	cf::sync_job {
		3583	# this is a trade-off: we want to be very quick here, so
		3584	# save all maps without fsync, and later call a global sync
		3585	# (which in turn might be very very slow)
		3586	local $USE_FSYNC = 0;
		3587
2318	# use a peculiar iteration method to avoid tripping on perl	3588	# use a peculiar iteration method to avoid tripping on perl
2319	# refcount bugs in for. also avoids problems with players	3589	# refcount bugs in for. also avoids problems with players
2320	# and maps saved/destroyed asynchronously.	3590	# and maps saved/destroyed asynchronously.
2321	warn "begin emergency player save\n";	3591	warn "emergency_perl_save: begin player save\n";
2322	for my $login (keys %cf::PLAYER) {	3592	for my $login (keys %cf::PLAYER) {
2323	my $pl = $cf::PLAYER{$login} or next;	3593	my $pl = $cf::PLAYER{$login} or next;
2324	$pl->valid or next;	3594	$pl->valid or next;
		3595	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2325	$pl->save;	3596	$pl->save;
2326	}	3597	}
2327	warn "end emergency player save\n";	3598	warn "emergency_perl_save: end player save\n";
2328		3599
2329	warn "begin emergency map save\n";	3600	warn "emergency_perl_save: begin map save\n";
2330	for my $path (keys %cf::MAP) {	3601	for my $path (keys %cf::MAP) {
2331	my $map = $cf::MAP{$path} or next;	3602	my $map = $cf::MAP{$path} or next;
2332	$map->valid or next;	3603	$map->valid or next;
2333	$map->save;	3604	$map->save;
2334	}	3605	}
2335	warn "end emergency map save\n";	3606	warn "emergency_perl_save: end map save\n";
2336		3607
2337	warn "begin emergency database checkpoint\n";	3608	warn "emergency_perl_save: begin database checkpoint\n";
2338	BDB::db_env_txn_checkpoint $DB_ENV;	3609	BDB::db_env_txn_checkpoint $DB_ENV;
2339	warn "end emergency database checkpoint\n";	3610	warn "emergency_perl_save: end database checkpoint\n";
		3611
		3612	warn "emergency_perl_save: begin write uuid\n";
		3613	write_uuid_sync 1;
		3614	warn "emergency_perl_save: end write uuid\n";
2340	};	3615	};
2341		3616
		3617	warn "emergency_perl_save: starting sync()\n";
		3618	IO::AIO::aio_sync sub {
		3619	warn "emergency_perl_save: finished sync()\n";
		3620	};
		3621
2342	warn "leave emergency perl save\n";	3622	warn "emergency_perl_save: leave\n";
2343	}	3623	}
2344		3624
2345	sub post_cleanup {	3625	sub post_cleanup {
2346	my ($make_core) = @_;	3626	my ($make_core) = @_;
2347		3627
2348	warn Carp::longmess "post_cleanup backtrace"	3628	warn Carp::longmess "post_cleanup backtrace"
2349	if $make_core;	3629	if $make_core;
2350	}
2351		3630
		3631	my $fh = pidfile;
		3632	unlink $PIDFILE if <$fh> == $$;
		3633	}
		3634
		3635	# a safer delete_package, copied from Symbol
		3636	sub clear_package($) {
		3637	my $pkg = shift;
		3638
		3639	# expand to full symbol table name if needed
		3640	unless ($pkg =~ /^main::.*::$/) {
		3641	$pkg = "main$pkg" if $pkg =~ /^::/;
		3642	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3643	$pkg .= '::' unless $pkg =~ /::$/;
		3644	}
		3645
		3646	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3647	my $stem_symtab = *{$stem}{HASH};
		3648
		3649	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3650	or return;
		3651
		3652	# clear all symbols
		3653	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3654	for my $name (keys %$leaf_symtab) {
		3655	_gv_clear *{"$pkg$name"};
		3656	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3657	}
		3658	warn "cleared package $pkg\n";#d#
		3659	}
		3660
2352	sub reload() {	3661	sub do_reload_perl() {
2353	# can/must only be called in main	3662	# can/must only be called in main
2354	if ($Coro::current != $Coro::main) {	3663	if ($Coro::current != $Coro::main) {
2355	warn "can only reload from main coroutine";	3664	warn "can only reload from main coroutine";
2356	return;	3665	return;
2357	}	3666	}
2358		3667
		3668	return if $RELOAD++;
		3669
		3670	my $t1 = EV::time;
		3671
		3672	while ($RELOAD) {
2359	warn "reloading...";	3673	warn "reloading...";
2360		3674
2361	warn "entering sync_job";	3675	warn "entering sync_job";
2362		3676
2363	cf::sync_job {	3677	cf::sync_job {
2364	cf::write_runtime; # external watchdog should not bark	3678	cf::write_runtime_sync; # external watchdog should not bark
2365	cf::emergency_save;	3679	cf::emergency_save;
2366	cf::write_runtime; # external watchdog should not bark	3680	cf::write_runtime_sync; # external watchdog should not bark
2367		3681
2368	warn "syncing database to disk";	3682	warn "syncing database to disk";
2369	BDB::db_env_txn_checkpoint $DB_ENV;	3683	BDB::db_env_txn_checkpoint $DB_ENV;
2370		3684
2371	# if anything goes wrong in here, we should simply crash as we already saved	3685	# if anything goes wrong in here, we should simply crash as we already saved
2372		3686
2373	warn "cancelling all WF_AUTOCANCEL watchers";
2374	for (Event::all_watchers) {
2375	$_->cancel if $_->data & WF_AUTOCANCEL;
2376	}
2377
2378	warn "flushing outstanding aio requests";	3687	warn "flushing outstanding aio requests";
2379	for (;;) {
2380	BDB::flush;
2381	IO::AIO::flush;
2382	Coro::cede;
2383	last unless IO::AIO::nreqs || BDB::nreqs;	3688	while (IO::AIO::nreqs || BDB::nreqs) {
2384	warn "iterate...";	3689	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2385	}
2386
2387	warn "cancelling all extension coros";
2388	$_->cancel for values %EXT_CORO;
2389	%EXT_CORO = ();
2390
2391	warn "removing commands";
2392	%COMMAND = ();
2393
2394	warn "removing ext commands";
2395	%EXTCMD = ();
2396
2397	warn "unloading/nuking all extensions";
2398	for my $pkg (@EXTS) {
2399	warn "... unloading $pkg";
2400
2401	if (my $cb = $pkg->can ("unload")) {
2402	eval {
2403	$cb->($pkg);
2404	1
2405	} or warn "$pkg unloaded, but with errors: $@";
2406	}	3690	}
2407		3691
2408	warn "... nuking $pkg";	3692	warn "cancelling all extension coros";
2409	Symbol::delete_package $pkg;	3693	$_->cancel for values %EXT_CORO;
2410	}	3694	%EXT_CORO = ();
2411		3695
2412	warn "unloading all perl modules loaded from $LIBDIR";	3696	warn "removing commands";
2413	while (my ($k, $v) = each %INC) {	3697	%COMMAND = ();
2414	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2415		3698
		3699	warn "removing ext/exti commands";
		3700	%EXTCMD = ();
		3701	%EXTICMD = ();
		3702
		3703	warn "unloading/nuking all extensions";
		3704	for my $pkg (@EXTS) {
2416	warn "... unloading $k";	3705	warn "... unloading $pkg";
2417	delete $INC{$k};
2418		3706
2419	$k =~ s/\.pm$//;
2420	$k =~ s/\//::/g;
2421
2422	if (my $cb = $k->can ("unload_module")) {	3707	if (my $cb = $pkg->can ("unload")) {
		3708	eval {
2423	$cb->();	3709	$cb->($pkg);
		3710	1
		3711	} or warn "$pkg unloaded, but with errors: $@";
		3712	}
		3713
		3714	warn "... clearing $pkg";
		3715	clear_package $pkg;
2424	}	3716	}
2425		3717
2426	Symbol::delete_package $k;	3718	warn "unloading all perl modules loaded from $LIBDIR";
		3719	while (my ($k, $v) = each %INC) {
		3720	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3721
		3722	warn "... unloading $k";
		3723	delete $INC{$k};
		3724
		3725	$k =~ s/\.pm$//;
		3726	$k =~ s/\//::/g;
		3727
		3728	if (my $cb = $k->can ("unload_module")) {
		3729	$cb->();
		3730	}
		3731
		3732	clear_package $k;
2427	}	3733	}
2428		3734
2429	warn "getting rid of safe::, as good as possible";	3735	warn "getting rid of safe::, as good as possible";
2430	Symbol::delete_package "safe::$_"	3736	clear_package "safe::$_"
2431	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3737	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2432		3738
2433	warn "unloading cf.pm \"a bit\"";	3739	warn "unloading cf.pm \"a bit\"";
2434	delete $INC{"cf.pm"};	3740	delete $INC{"cf.pm"};
		3741	delete $INC{"cf/pod.pm"};
2435		3742
2436	# don't, removes xs symbols, too,	3743	# don't, removes xs symbols, too,
2437	# and global variables created in xs	3744	# and global variables created in xs
2438	#Symbol::delete_package __PACKAGE__;	3745	#clear_package __PACKAGE__;
2439		3746
2440	warn "unload completed, starting to reload now";	3747	warn "unload completed, starting to reload now";
2441		3748
2442	warn "reloading cf.pm";	3749	warn "reloading cf.pm";
2443	require cf;	3750	require cf;
2444	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3751	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2445		3752
2446	warn "loading config and database again";	3753	warn "loading config and database again";
2447	cf::cfg_load;	3754	cf::reload_config;
2448		3755
2449	warn "loading extensions";	3756	warn "loading extensions";
2450	cf::load_extensions;	3757	cf::load_extensions;
2451		3758
		3759	if ($REATTACH_ON_RELOAD) {
2452	warn "reattaching attachments to objects/players";	3760	warn "reattaching attachments to objects/players";
2453	_global_reattach;	3761	_global_reattach; # objects, sockets
2454	warn "reattaching attachments to maps";	3762	warn "reattaching attachments to maps";
2455	reattach $_ for values %MAP;	3763	reattach $_ for values %MAP;
		3764	warn "reattaching attachments to players";
		3765	reattach $_ for values %PLAYER;
		3766	}
2456		3767
2457	warn "loading reloadable resources";	3768	warn "running post_init jobs";
2458	init_resources;	3769	(pop @POST_INIT)->(1) while @POST_INIT;
2459		3770
2460	warn "leaving sync_job";	3771	warn "leaving sync_job";
2461		3772
2462	1	3773	1
2463	} or do {	3774	} or do {
2464	warn $@;	3775	warn $@;
2465	warn "error while reloading, exiting.";	3776	cf::cleanup "error while reloading, exiting.";
2466	exit 1;	3777	};
		3778
		3779	warn "reloaded";
		3780	--$RELOAD;
		3781	}
		3782
		3783	$t1 = EV::time - $t1;
		3784	warn "reload completed in ${t1}s\n";
		3785	};
		3786
		3787	our $RELOAD_WATCHER; # used only during reload
		3788
		3789	sub reload_perl() {
		3790	# doing reload synchronously and two reloads happen back-to-back,
		3791	# coro crashes during coro_state_free->destroy here.
		3792
		3793	$RELOAD_WATCHER ||= cf::async {
		3794	Coro::AIO::aio_wait cache_extensions;
		3795
		3796	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3797	do_reload_perl;
		3798	undef $RELOAD_WATCHER;
		3799	};
2467	};	3800	};
2468		3801	}
2469	warn "reloaded";
2470	};
2471
2472	our $RELOAD_WATCHER; # used only during reload
2473		3802
2474	register_command "reload" => sub {	3803	register_command "reload" => sub {
2475	my ($who, $arg) = @_;	3804	my ($who, $arg) = @_;
2476		3805
2477	if ($who->flag (FLAG_WIZ)) {	3806	if ($who->flag (FLAG_WIZ)) {
2478	$who->message ("reloading server.");	3807	$who->message ("reloading server.");
2479		3808	async {
2480	# doing reload synchronously and two reloads happen back-to-back,	3809	$Coro::current->{desc} = "perl_reload";
2481	# coro crashes during coro_state_free->destroy here.
2482
2483	$RELOAD_WATCHER ||= Event->timer (
2484	reentrant => 0,
2485	after => 0,
2486	data => WF_AUTOCANCEL,
2487	cb => sub {
2488	reload;	3810	reload_perl;
2489	undef $RELOAD_WATCHER;
2490	},
2491	);	3811	};
2492	}	3812	}
2493	};	3813	};
2494		3814
2495	unshift @INC, $LIBDIR;	3815	unshift @INC, $LIBDIR;
2496		3816
2497	my $bug_warning = 0;	3817	my $bug_warning = 0;
2498		3818
2499	$TICK_WATCHER = Event->timer (	3819	our @WAIT_FOR_TICK;
2500	reentrant => 0,	3820	our @WAIT_FOR_TICK_BEGIN;
2501	parked => 1,	3821
2502	prio => 0,	3822	sub wait_for_tick {
2503	at => $NEXT_TICK || $TICK,	3823	return if tick_inhibit || $Coro::current == $Coro::main;
2504	data => WF_AUTOCANCEL,	3824
2505	cb => sub {	3825	my $signal = new Coro::Signal;
		3826	push @WAIT_FOR_TICK, $signal;
		3827	$signal->wait;
		3828	}
		3829
		3830	sub wait_for_tick_begin {
		3831	return if tick_inhibit || $Coro::current == $Coro::main;
		3832
		3833	my $signal = new Coro::Signal;
		3834	push @WAIT_FOR_TICK_BEGIN, $signal;
		3835	$signal->wait;
		3836	}
		3837
		3838	sub tick {
2506	if ($Coro::current != $Coro::main) {	3839	if ($Coro::current != $Coro::main) {
2507	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3840	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2508	unless ++$bug_warning > 10;	3841	unless ++$bug_warning > 10;
2509	return;	3842	return;
2510	}	3843	}
2511		3844
2512	$NOW = Event::time;
2513
2514	cf::server_tick; # one server iteration	3845	cf::server_tick; # one server iteration
2515	$RUNTIME += $TICK;
2516	$NEXT_TICK += $TICK;
2517		3846
2518	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3847	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2519	$NEXT_RUNTIME_WRITE = $NOW + 10;	3848	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2520	Coro::async_pool {	3849	Coro::async_pool {
		3850	$Coro::current->{desc} = "runtime saver";
2521	write_runtime	3851	write_runtime_sync
2522	or warn "ERROR: unable to write runtime file: $!";	3852	or warn "ERROR: unable to write runtime file: $!";
2523	};
2524	}	3853	};
2525
2526	$WAIT_FOR_TICK->broadcast;
2527	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2528
2529	# my $AFTER = Event::time;
2530	# warn $AFTER - $NOW;#d#
2531
2532	# if we are delayed by four ticks or more, skip them all
2533	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2534
2535	$TICK_WATCHER->at ($NEXT_TICK);
2536	$TICK_WATCHER->start;
2537	},	3854	}
2538	);	3855
		3856	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3857	$sig->send;
		3858	}
		3859	while (my $sig = shift @WAIT_FOR_TICK) {
		3860	$sig->send;
		3861	}
		3862
		3863	$LOAD = ($NOW - $TICK_START) / $TICK;
		3864	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3865
		3866	if (0) {
		3867	if ($NEXT_TICK) {
		3868	my $jitter = $TICK_START - $NEXT_TICK;
		3869	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3870	warn "jitter $JITTER\n";#d#
		3871	}
		3872	}
		3873	}
2539		3874
2540	{	3875	{
2541	BDB::max_poll_time $TICK * 0.1;	3876	# configure BDB
2542	$BDB_POLL_WATCHER = Event->io (	3877
2543	reentrant => 0,
2544	fd => BDB::poll_fileno,
2545	poll => 'r',
2546	prio => 0,
2547	data => WF_AUTOCANCEL,
2548	cb => \&BDB::poll_cb,
2549	);
2550	BDB::min_parallel 8;	3878	BDB::min_parallel 8;
2551		3879	BDB::max_poll_reqs $TICK * 0.1;
2552	BDB::set_sync_prepare {	3880	$AnyEvent::BDB::WATCHER->priority (1);
2553	my $status;
2554	my $current = $Coro::current;
2555	(
2556	sub {
2557	$status = $!;
2558	$current->ready; undef $current;
2559	},
2560	sub {
2561	Coro::schedule while defined $current;
2562	$! = $status;
2563	},
2564	)
2565	};
2566		3881
2567	unless ($DB_ENV) {	3882	unless ($DB_ENV) {
2568	$DB_ENV = BDB::db_env_create;	3883	$DB_ENV = BDB::db_env_create;
		3884	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3885	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3886	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3887	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3888	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2569		3889
2570	cf::sync_job {	3890	cf::sync_job {
2571	eval {	3891	eval {
2572	BDB::db_env_open	3892	BDB::db_env_open
2573	$DB_ENV,	3893	$DB_ENV,
2574	$BDB_ENV_DIR,	3894	$BDBDIR,
2575	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3895	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2576	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3896	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2577	0666;	3897	0666;
2578		3898
2579	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3899	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2580
2581	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2582	$DB_ENV->set_lk_detect;
2583	};	3900	};
2584		3901
2585	cf::cleanup "db_env_open(db): $@" if $@;	3902	cf::cleanup "db_env_open(db): $@" if $@;
2586	};	3903	};
2587	}	3904	}
		3905
		3906	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3907	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3908	};
		3909	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3910	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3911	};
		3912	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3913	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3914	};
2588	}	3915	}
2589		3916
2590	{	3917	{
		3918	# configure IO::AIO
		3919
2591	IO::AIO::min_parallel 8;	3920	IO::AIO::min_parallel 8;
2592
2593	undef $Coro::AIO::WATCHER;
2594	IO::AIO::max_poll_time $TICK * 0.1;	3921	IO::AIO::max_poll_time $TICK * 0.1;
2595	$AIO_POLL_WATCHER = Event->io (	3922	undef $AnyEvent::AIO::WATCHER;
2596	reentrant => 0,
2597	data => WF_AUTOCANCEL,
2598	fd => IO::AIO::poll_fileno,
2599	poll => 'r',
2600	prio => 6,
2601	cb => \&IO::AIO::poll_cb,
2602	);
2603	}	3923	}
		3924
		3925	my $_log_backtrace;
		3926
		3927	sub _log_backtrace {
		3928	my ($msg, @addr) = @_;
		3929
		3930	$msg =~ s/\n//;
		3931
		3932	# limit the # of concurrent backtraces
		3933	if ($_log_backtrace < 2) {
		3934	++$_log_backtrace;
		3935	my $perl_bt = Carp::longmess $msg;
		3936	async {
		3937	$Coro::current->{desc} = "abt $msg";
		3938
		3939	my @bt = fork_call {
		3940	@addr = map { sprintf "%x", $_ } @addr;
		3941	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3942	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3943	or die "addr2line: $!";
		3944
		3945	my @funcs;
		3946	my @res = <$fh>;
		3947	chomp for @res;
		3948	while (@res) {
		3949	my ($func, $line) = splice @res, 0, 2, ();
		3950	push @funcs, "[$func] $line";
		3951	}
		3952
		3953	@funcs
		3954	};
		3955
		3956	LOG llevInfo, "[ABT] $perl_bt\n";
		3957	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3958	LOG llevInfo, "[ABT] $_\n" for @bt;
		3959	--$_log_backtrace;
		3960	};
		3961	} else {
		3962	LOG llevInfo, "[ABT] $msg\n";
		3963	LOG llevInfo, "[ABT] [suppressed]\n";
		3964	}
		3965	}
		3966
		3967	# load additional modules
		3968	use cf::pod;
2604		3969
2605	END { cf::emergency_save }	3970	END { cf::emergency_save }
2606		3971
2607	1	3972	1
2608		3973

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