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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.199 by root, Mon Jan 29 14:46:01 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 ();
		52	use BDB ();
20	use Data::Dumper;	53	use Data::Dumper;
21	use Digest::MD5;	54	use Digest::MD5;
22	use Fcntl;	55	use Fcntl;
		56	use YAML ();
23	use IO::AIO 2.32 ();	57	use IO::AIO ();
24	use YAML::Syck ();
25	use Time::HiRes;	58	use Time::HiRes;
		59	use Compress::LZF;
		60	use Digest::MD5 ();
26		61
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	62	AnyEvent::detect;
		63
		64	# configure various modules to our taste
		65	#
		66	$Storable::canonical = 1; # reduce rsync transfers
		67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		68
		69	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		70
		71	# make sure c-lzf reinitialises itself
		72	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		73	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
28		74
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		76
36	our %COMMAND = ();	77	our %COMMAND = ();
37	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
38		79
39	our @EXTS = (); # list of extension package names	80	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	81	our %EXTCMD = ();
		82	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	83	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	84	our %EXT_MAP = (); # pluggable maps
43		85
		86	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	87	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		88
47	our $TICK = MAX_TIME * 1e-6;	89	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	90	our $DATADIR = datadir;
49	our $AIO_POLL_WATCHER;	91	our $LIBDIR = "$DATADIR/ext";
50	our $WRITE_RUNTIME_WATCHER;	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(!)
		106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	107	our $NEXT_TICK;
52	our $NOW;	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
		109
		110	our $BDB_DEADLOCK_WATCHER;
		111	our $BDB_CHECKPOINT_WATCHER;
		112	our $BDB_TRICKLE_WATCHER;
		113	our $DB_ENV;
53		114
54	our %CFG;	115	our %CFG;
55		116
56	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
58		120
59	our %PLAYER; # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	123	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		124
67	# 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 ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		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 $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
		136
70	binmode STDOUT;	137	binmode STDOUT;
71	binmode STDERR;	138	binmode STDERR;
72		139
73	# read virtual server time, if available	140	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	141	unless ($RUNTIME || !-e $RUNTIMEFILE) {
75	open my $fh, "<", cf::localdir . "/runtime"	142	open my $fh, "<", $RUNTIMEFILE
76	or die "unable to read runtime file: $!";	143	or die "unable to read $RUNTIMEFILE file: $!";
77	$RUNTIME = <$fh> + 0.;	144	$RUNTIME = <$fh> + 0.;
78	}	145	}
79		146
80	mkdir cf::localdir;	147	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	148	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		149
86	our $EMERGENCY_POSITION;	150	our $EMERGENCY_POSITION;
87		151
88	sub cf::map::normalise;	152	sub cf::map::normalise;
89		153
…		…
100	=item $cf::RUNTIME	164	=item $cf::RUNTIME
101		165
102	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
103	every server tick.	167	every server tick.
104		168
105	=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
106		172
107	The perl library directory, where extensions and cf-specific modules can	173	Various directories - "/etc", read-only install directory, perl-library
108	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.
109		177
110	=item $cf::NOW	178	=item $cf::NOW
111		179
112	The time of the last (current) server tick.	180	The time of the last (current) server tick.
113		181
114	=item $cf::TICK	182	=item $cf::TICK
115		183
116	The interval between server ticks, in seconds.	184	The interval between server ticks, in seconds.
117		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
118	=item %cf::CFG	196	=item %cf::CFG
119		197
120	Configuration for the server, loaded from C</etc/crossfire/config>, or	198	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
121	from wherever your confdir points to.	199	from wherever your confdir points to.
122		200
123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	201	=item cf::wait_for_tick, cf::wait_for_tick_begin
124		202
125	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
126	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
127	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.
128	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.
129		212
130	=back	213	=back
131		214
132	=cut	215	=cut
133		216
134	BEGIN {	217	BEGIN {
135	*CORE::GLOBAL::warn = sub {	218	*CORE::GLOBAL::warn = sub {
136	my $msg = join "", @_;	219	my $msg = join "", @_;
137	utf8::encode $msg;
138		220
139	$msg .= "\n"	221	$msg .= "\n"
140	unless $msg =~ /\n$/;	222	unless $msg =~ /\n$/;
141		223
		224	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		225
142	LOG llevError, $msg;	226	LOG llevError, $msg;
143	};	227	};
144	}	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#?
145		244
146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	245	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	246	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	247	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	248	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150	@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';
151	@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)
152		252
153	# 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
154	# within the Safe compartment.	254	# within the Safe compartment.
155	for my $pkg (qw(	255	for my $pkg (qw(
156	cf::global cf::attachable	256	cf::global cf::attachable
157	cf::object cf::object::player	257	cf::object cf::object::player
158	cf::client cf::player	258	cf::client cf::player
159	cf::arch cf::living	259	cf::arch cf::living
		260	cf::map cf::mapspace
160	cf::map cf::party cf::region	261	cf::party cf::region
161	)) {	262	)) {
162	no strict 'refs';
163	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	263	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
164	}	264	}
165		265
166	$Event::DIED = sub {	266	$EV::DIED = sub {
167	warn "error in event callback: @_";	267	warn "error in event callback: @_";
168	};	268	};
		269
		270	#############################################################################
169		271
170	=head2 UTILITY FUNCTIONS	272	=head2 UTILITY FUNCTIONS
171		273
172	=over 4	274	=over 4
173		275
…		…
192	$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;
193	$d	295	$d
194	} || "[unable to dump $_[0]: '$@']";	296	} || "[unable to dump $_[0]: '$@']";
195	}	297	}
196		298
197	use JSON::Syck (); # TODO# replace by JSON::PC once working
198
199	=item $ref = cf::from_json $json	299	=item $ref = cf::decode_json $json
200		300
201	Converts a JSON string into the corresponding perl data structure.	301	Converts a JSON string into the corresponding perl data structure.
202		302
203	=cut
204
205	sub from_json($) {
206	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207	JSON::Syck::Load $_[0]
208	}
209
210	=item $json = cf::to_json $ref	303	=item $json = cf::encode_json $ref
211		304
212	Converts a perl data structure into its JSON representation.	305	Converts a perl data structure into its JSON representation.
213		306
214	=cut	307	=cut
215		308
216	sub to_json($) {	309	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	310
218	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;
219	}	326	}
220		327
221	=item cf::lock_wait $string	328	=item cf::lock_wait $string
222		329
223	Wait until the given lock is available. See cf::lock_acquire.	330	Wait until the given lock is available. See cf::lock_acquire.
…		…
227	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
228	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,
229	for example when the coroutine gets canceled), the lock is automatically	336	for example when the coroutine gets canceled), the lock is automatically
230	returned.	337	returned.
231		338
		339	Locks are *not* recursive, locking from the same coro twice results in a
		340	deadlocked coro.
		341
232	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
233	uses map_find and cf::map::load uses map_load).	343	uses map_find and cf::map::load uses map_load).
234		344
		345	=item $locked = cf::lock_active $string
		346
		347	Return true if the lock is currently active, i.e. somebody has locked it.
		348
235	=cut	349	=cut
236		350
237	our %LOCK;	351	our %LOCK;
		352	our %LOCKER;#d#
238		353
239	sub lock_wait($) {	354	sub lock_wait($) {
240	my ($key) = @_;	355	my ($key) = @_;
241		356
		357	if ($LOCKER{$key} == $Coro::current) {#d#
		358	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		359	return;#d#
		360	}#d#
		361
242	# wait for lock, if any	362	# wait for lock, if any
243	while ($LOCK{$key}) {	363	while ($LOCK{$key}) {
		364	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
244	push @{ $LOCK{$key} }, $Coro::current;	365	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;	366	Coro::schedule;
246	}	367	}
247	}	368	}
248		369
…		…
251		372
252	# wait, to be sure we are not locked	373	# wait, to be sure we are not locked
253	lock_wait $key;	374	lock_wait $key;
254		375
255	$LOCK{$key} = [];	376	$LOCK{$key} = [];
		377	$LOCKER{$key} = $Coro::current;#d#
256		378
257	Coro::guard {	379	Coro::guard {
		380	delete $LOCKER{$key};#d#
258	# wake up all waiters, to be on the safe side	381	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	382	$_->ready for @{ delete $LOCK{$key} };
260	}	383	}
261	}	384	}
262		385
		386	sub lock_active($) {
		387	my ($key) = @_;
		388
		389	! ! $LOCK{$key}
		390	}
		391
263	sub freeze_mainloop {	392	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	393	tick_inhibit_inc;
265		394
266	my $guard = Coro::guard {	395	Coro::guard \&tick_inhibit_dec;
267	$TICK_WATCHER->start;	396	}
268	$WRITE_RUNTIME_WATCHER->start;	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($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
		411	}
		412
		413	=item cf::get_slot $time[, $priority[, $name]]
		414
		415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		416	This call blocks and returns only when you have at least C<$time> seconds
		417	of cpu time till the next tick. The slot is only valid till the next cede.
		418
		419	The optional C<$name> can be used to identify the job to run. It might be
		420	used for statistical purposes and should identify the same time-class.
		421
		422	Useful for short background jobs.
		423
		424	=cut
		425
		426	our @SLOT_QUEUE;
		427	our $SLOT_QUEUE;
		428
		429	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		430	$SLOT_QUEUE = Coro::async {
		431	$Coro::current->desc ("timeslot manager");
		432
		433	my $signal = new Coro::Signal;
		434
		435	while () {
		436	next_job:
		437	my $avail = cf::till_tick;
		438	if ($avail > 0.01) {
		439	for (0 .. $#SLOT_QUEUE) {
		440	if ($SLOT_QUEUE[$_][0] < $avail) {
		441	my $job = splice @SLOT_QUEUE, $_, 1, ();
		442	$job->[2]->send;
		443	Coro::cede;
		444	goto next_job;
		445	}
		446	}
		447	}
		448
		449	if (@SLOT_QUEUE) {
		450	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		451	push @cf::WAIT_FOR_TICK, $signal;
		452	$signal->wait;
		453	} else {
		454	Coro::schedule;
		455	}
269	};	456	}
270	$WRITE_RUNTIME_WATCHER->stop;	457	};
271	$TICK_WATCHER->stop;	458
272	$guard	459	sub get_slot($;$$) {
		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	$sig->wait;
273	}	471	}
274		472
275	=item cf::async { BLOCK }	473	=item cf::async { BLOCK }
276		474
277	Currently the same as Coro::async_pool, meaning you cannot use	475	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		480
283	BEGIN { *async = \&Coro::async_pool }	481	BEGIN { *async = \&Coro::async_pool }
284		482
285	=item cf::sync_job { BLOCK }	483	=item cf::sync_job { BLOCK }
286		484
287	The design of crossfire+ requires that the main coro ($Coro::main) is	485	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	486	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	487	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		488	acceptable.
290		489
291	If it must be done, put the blocking parts into C<sync_job>. This will run	490	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	491	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	492	server will be frozen during this time, so the block should either finish
294	fast or be very important.	493	fast or be very important.
…		…
297		496
298	sub sync_job(&) {	497	sub sync_job(&) {
299	my ($job) = @_;	498	my ($job) = @_;
300		499
301	if ($Coro::current == $Coro::main) {	500	if ($Coro::current == $Coro::main) {
		501	my $time = EV::time;
		502
302	# this is the main coro, too bad, we have to block	503	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	504	# till the operation succeeds, freezing the server :/
304		505
305	# TODO: use suspend/resume instead	506	LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	507
307	my $freeze_guard = freeze_mainloop;	508	my $freeze_guard = freeze_mainloop;
308		509
309	my $busy = 1;	510	my $busy = 1;
310	my @res;	511	my @res;
311		512
312	(async {	513	(async {
		514	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	515	@res = eval { $job->() };
314	warn $@ if $@;	516	warn $@ if $@;
315	undef $busy;	517	undef $busy;
316	})->prio (Coro::PRIO_MAX);	518	})->prio (Coro::PRIO_MAX);
317		519
318	while ($busy) {	520	while ($busy) {
319	Coro::cede or Event::one_event;	521	if (Coro::nready) {
		522	Coro::cede_notself;
		523	} else {
		524	EV::loop EV::LOOP_ONESHOT;
320	}	525	}
		526	}
		527
		528	my $time = EV::time - $time;
		529
		530	$TICK_START += $time; # do not account sync jobs to server load
321		531
322	wantarray ? @res : $res[0]	532	wantarray ? @res : $res[0]
323	} else {	533	} else {
324	# we are in another coroutine, how wonderful, everything just works	534	# we are in another coroutine, how wonderful, everything just works
325		535
…		…
345	$EXT_CORO{$coro+0} = $coro;	555	$EXT_CORO{$coro+0} = $coro;
346		556
347	$coro	557	$coro
348	}	558	}
349		559
350	sub write_runtime {	560	=item fork_call { }, $args
351	my $runtime = cf::localdir . "/runtime";
352		561
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	562	Executes the given code block with the given arguments in a seperate
354	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.
355		566
356	my $value = $cf::RUNTIME + 90 + 10;	567	=cut
357	# 10 is the runtime save interval, for a monotonic clock
358	# 60 allows for the watchdog to kill the server.
359		568
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	569	sub fork_call(&@) {
361	and return;	570	my ($cb, @args) = @_;
362		571
363	aio_fsync $fh	572	# we seemingly have to make a local copy of the whole thing,
364	and return;	573	# otherwise perl prematurely frees the stuff :/
		574	# TODO: investigate and fix (likely this will be rather laborious)
365		575
366	close $fh	576	my @res = Coro::Util::fork_eval {
367	or return;	577	reset_signals;
		578	&$cb
		579	}, @args;
368		580
369	aio_rename "$runtime~", $runtime	581	wantarray ? @res : $res[-1]
370	and return;	582	}
371		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($$) {
		653	my $key = "$_[0]/$_[1]";
		654
		655	cf::sync_job {
		656	BDB::db_get $DB, undef, $key, my $data;
		657
		658	$! ? ()
		659	: $data
372	1	660	}
		661	}
		662
		663	sub db_put($$$) {
		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 });
373	}	747	}
374		748
375	=back	749	=back
376		750
377	=cut	751	=cut
378		752
379	#############################################################################	753	#############################################################################
380		754
381	=head2 ATTACHABLE OBJECTS	755	=head2 ATTACHABLE OBJECTS
382		756
383	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
384	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")
385	to it. All such attachable objects support the following methods.	759	to it. All such attachable objects support the following methods.
386		760
387	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>
388	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
389	crossfire+).	763	Deliantra).
390		764
391	=over 4	765	=over 4
392		766
393	=item $attachable->attach ($attachment, key => $value...)	767	=item $attachable->attach ($attachment, key => $value...)
394		768
…		…
438	=item cf::CLASS::attachment $name, ...	812	=item cf::CLASS::attachment $name, ...
439		813
440	Register an attachment by C<$name> through which attachable objects of the	814	Register an attachment by C<$name> through which attachable objects of the
441	given CLASS can refer to this attachment.	815	given CLASS can refer to this attachment.
442		816
443	Some classes such as crossfire maps and objects can specify attachments	817	Some classes such as deliantra maps and objects can specify attachments
444	that are attached at load/instantiate time, thus the need for a name.	818	that are attached at load/instantiate time, thus the need for a name.
445		819
446	These calls expect any number of the following handler/hook descriptions:	820	These calls expect any number of the following handler/hook descriptions:
447		821
448	=over 4	822	=over 4
…		…
557	$registry = $CB_TYPE[$object_type] ||= [];	931	$registry = $CB_TYPE[$object_type] ||= [];
558		932
559	} elsif ($type eq "subtype") {	933	} elsif ($type eq "subtype") {
560	defined $object_type or Carp::croak "subtype specified without type";	934	defined $object_type or Carp::croak "subtype specified without type";
561	my $object_subtype = shift @arg;	935	my $object_subtype = shift @arg;
562	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	936	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563		937
564	} elsif ($type eq "package") {	938	} elsif ($type eq "package") {
565	my $pkg = shift @arg;	939	my $pkg = shift @arg;
566		940
567	while (my ($name, $id) = each %cb_id) {	941	while (my ($name, $id) = each %cb_id) {
…		…
596	_attach $registry, $klass, @attach;	970	_attach $registry, $klass, @attach;
597	}	971	}
598		972
599	$obj->{$name} = \%arg;	973	$obj->{$name} = \%arg;
600	} else {	974	} else {
601	warn "object uses attachment '$name' that is not available, postponing.\n";	975	warn "object uses attachment '$name' which is not available, postponing.\n";
602	}	976	}
603		977
604	$obj->{_attachment}{$name} = undef;	978	$obj->{_attachment}{$name} = undef;
605	}	979	}
606		980
…		…
608	if (ref $_[0]) {	982	if (ref $_[0]) {
609	_object_attach @_;	983	_object_attach @_;
610	} else {	984	} else {
611	_attach shift->_attach_registry, @_;	985	_attach shift->_attach_registry, @_;
612	}	986	}
		987	_recalc_want;
613	};	988	};
614		989
615	# all those should be optimised	990	# all those should be optimised
616	sub cf::attachable::detach {	991	sub cf::attachable::detach {
617	my ($obj, $name) = @_;	992	my ($obj, $name) = @_;
…		…
620	delete $obj->{_attachment}{$name};	995	delete $obj->{_attachment}{$name};
621	reattach ($obj);	996	reattach ($obj);
622	} else {	997	} else {
623	Carp::croak "cannot, currently, detach class attachments";	998	Carp::croak "cannot, currently, detach class attachments";
624	}	999	}
		1000	_recalc_want;
625	};	1001	};
626		1002
627	sub cf::attachable::attached {	1003	sub cf::attachable::attached {
628	my ($obj, $name) = @_;	1004	my ($obj, $name) = @_;
629		1005
…		…
644	";	1020	";
645	die if $@;	1021	die if $@;
646	}	1022	}
647		1023
648	our $override;	1024	our $override;
649	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?
650		1026
651	sub override {	1027	sub override {
652	$override = 1;	1028	$override = 1;
653	@invoke_results = ();	1029	@INVOKE_RESULTS = (@_);
654	}	1030	}
655		1031
656	sub do_invoke {	1032	sub do_invoke {
657	my $event = shift;	1033	my $event = shift;
658	my $callbacks = shift;	1034	my $callbacks = shift;
659		1035
660	@invoke_results = ();	1036	@INVOKE_RESULTS = ();
661		1037
662	local $override;	1038	local $override;
663		1039
664	for (@$callbacks) {	1040	for (@$callbacks) {
665	eval { &{$_->[1]} };	1041	eval { &{$_->[1]} };
…		…
674	}	1050	}
675		1051
676	0	1052	0
677	}	1053	}
678		1054
679	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
680		1056
681	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1057	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
682		1058
683	Generate an object-specific event with the given arguments.	1059	Generate an object-specific event with the given arguments.
684		1060
685	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
686	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
687	results (if you must, access C<@cf::invoke_results> directly).	1063	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
688		1064
689	=back	1065	=back
690		1066
691	=cut	1067	=cut
692		1068
693	#############################################################################	1069	#############################################################################
694	# 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, $ob2
		1112	}
695		1113
696	sub reattach {	1114	sub reattach {
697	# basically do the same as instantiate, without calling instantiate	1115	# basically do the same as instantiate, without calling instantiate
698	my ($obj) = @_;	1116	my ($obj) = @_;
699		1117
		1118	# no longer needed after getting rid of delete_package?
700	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
701		1120
702	my $registry = $obj->registry;	1121	my $registry = $obj->registry;
703		1122
704	@$registry = ();	1123	@$registry = ();
705		1124
…		…
720	cf::attachable->attach (	1139	cf::attachable->attach (
721	prio => -1000000,	1140	prio => -1000000,
722	on_instantiate => sub {	1141	on_instantiate => sub {
723	my ($obj, $data) = @_;	1142	my ($obj, $data) = @_;
724		1143
725	$data = from_json $data;	1144	$data = decode_json $data;
726		1145
727	for (@$data) {	1146	for (@$data) {
728	my ($name, $args) = @$_;	1147	my ($name, $args) = @$_;
729		1148
730	$obj->attach ($name, %{$args || {} });	1149	$obj->attach ($name, %{$args || {} });
…		…
746	sub object_freezer_save {	1165	sub object_freezer_save {
747	my ($filename, $rdata, $objs) = @_;	1166	my ($filename, $rdata, $objs) = @_;
748		1167
749	sync_job {	1168	sync_job {
750	if (length $$rdata) {	1169	if (length $$rdata) {
		1170	utf8::decode (my $decname = $filename);
751	warn sprintf "saving %s (%d,%d)\n",	1171	warn sprintf "saving %s (%d,%d)\n",
752	$filename, length $$rdata, scalar @$objs;	1172	$decname, length $$rdata, scalar @$objs;
753		1173
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1174	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	1175	aio_chmod $fh, SAVE_MODE;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1176	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
757	aio_fsync $fh;	1177	aio_fsync $fh if $cf::USE_FSYNC;
758	close $fh;	1178	aio_close $fh;
759		1179
760	if (@$objs) {	1180	if (@$objs) {
761	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) {
762	chmod SAVE_MODE, $fh;	1182	aio_chmod $fh, SAVE_MODE;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	1183	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	1184	aio_write $fh, 0, (length $data), $data, 0;
765	aio_fsync $fh;	1185	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	1186	aio_close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	1187	aio_rename "$filename.pst~", "$filename.pst";
768	}	1188	}
769	} else {	1189	} else {
770	aio_unlink "$filename.pst";	1190	aio_unlink "$filename.pst";
771	}	1191	}
772		1192
773	aio_rename "$filename~", $filename;	1193	aio_rename "$filename~", $filename;
		1194
		1195	$filename =~ s%/[^/]+$%%;
		1196	aio_pathsync $filename if $cf::USE_FSYNC;
774	} else {	1197	} else {
775	warn "FATAL: $filename~: $!\n";	1198	warn "FATAL: $filename~: $!\n";
776	}	1199	}
777	} else {	1200	} else {
778	aio_unlink $filename;	1201	aio_unlink $filename;
779	aio_unlink "$filename.pst";	1202	aio_unlink "$filename.pst";
780	}	1203	}
781	}	1204	};
782	}	1205	}
783		1206
784	sub object_freezer_as_string {	1207	sub object_freezer_as_string {
785	my ($rdata, $objs) = @_;	1208	my ($rdata, $objs) = @_;
786		1209
…		…
798	or return;	1221	or return;
799		1222
800	unless (aio_stat "$filename.pst") {	1223	unless (aio_stat "$filename.pst") {
801	(aio_load "$filename.pst", $av) >= 0	1224	(aio_load "$filename.pst", $av) >= 0
802	or return;	1225	or return;
		1226
803	$av = eval { (Storable::thaw $av)->{objs} };	1227	my $st = eval { Coro::Storable::thaw $av };
		1228	$av = $st->{objs};
804	}	1229	}
805		1230
		1231	utf8::decode (my $decname = $filename);
806	warn sprintf "loading %s (%d)\n",	1232	warn sprintf "loading %s (%d,%d)\n",
807	$filename, length $data, scalar @{$av || []};#d#	1233	$decname, length $data, scalar @{$av || []};
		1234
808	return ($data, $av);	1235	($data, $av)
809	}	1236	}
		1237
		1238	=head2 COMMAND CALLBACKS
		1239
		1240	=over 4
		1241
		1242	=cut
810		1243
811	#############################################################################	1244	#############################################################################
812	# command handling &c	1245	# command handling &c
813		1246
814	=item cf::register_command $name => \&callback($ob,$args);	1247	=item cf::register_command $name => \&callback($ob,$args);
…		…
827	push @{ $COMMAND{$name} }, [$caller, $cb];	1260	push @{ $COMMAND{$name} }, [$caller, $cb];
828	}	1261	}
829		1262
830	=item cf::register_extcmd $name => \&callback($pl,$packet);	1263	=item cf::register_extcmd $name => \&callback($pl,$packet);
831		1264
832	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.
833		1270
834	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
835	called.	1272	called.
836		1273
		1274	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1275
		1276	Register a callback for execution when the client sends an (asynchronous)
		1277	exticmd packet. Exti commands are processed by the server as soon as they
		1278	are received, i.e. out of order w.r.t. other commands. The first argument
		1279	is a client socket. Exti commands can be received anytime, even before
		1280	log-in.
		1281
		1282	If the callback returns something, it is sent back as if reply was being
		1283	called.
		1284
837	=cut	1285	=cut
838		1286
839	sub register_extcmd {	1287	sub register_extcmd {
840	my ($name, $cb) = @_;	1288	my ($name, $cb) = @_;
841		1289
842	$EXTCMD{$name} = $cb;	1290	$EXTCMD{$name} = $cb;
843	}	1291	}
		1292
		1293	sub register_exticmd {
		1294	my ($name, $cb) = @_;
		1295
		1296	$EXTICMD{$name} = $cb;
		1297	}
		1298
		1299	use File::Glob ();
844		1300
845	cf::player->attach (	1301	cf::player->attach (
846	on_command => sub {	1302	on_command => sub {
847	my ($pl, $name, $params) = @_;	1303	my ($pl, $name, $params) = @_;
848		1304
…		…
856	cf::override;	1312	cf::override;
857	},	1313	},
858	on_extcmd => sub {	1314	on_extcmd => sub {
859	my ($pl, $buf) = @_;	1315	my ($pl, $buf) = @_;
860		1316
861	my $msg = eval { from_json $buf };	1317	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
862		1318
863	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
864	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1327	if (my $cb = $EXTCMD{$type}) {
865	if (my %reply = $cb->($pl, $msg)) {	1328	@reply = $cb->($pl, @payload);
866	$pl->ext_reply ($msg->{msgid}, %reply);
867	}
868	}	1329	}
		1330
		1331	$pl->ext_reply ($reply, @reply)
		1332	if $reply;
		1333
869	} else {	1334	} else {
870	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1335	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
871	}	1336	}
872		1337
873	cf::override;	1338	cf::override;
874	},	1339	},
875	);	1340	);
876		1341
		1342	# "readahead" all extensions
877	sub load_extension {	1343	sub cache_extensions {
878	my ($path) = @_;	1344	my $grp = IO::AIO::aio_group;
879		1345
880	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1346	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
881	my $base = $1;	1347	for (grep /\.ext$/, @{$_[0]}) {
882	my $pkg = $1;	1348	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
883	$pkg =~ s/[^[:word:]]/_/g;
884	$pkg = "ext::$pkg";
885
886	warn "... loading '$path' into '$pkg'\n";
887
888	open my $fh, "<:utf8", $path
889	or die "$path: $!";
890
891	my $source =
892	"package $pkg; use strict; use utf8;\n"
893	. "#line 1 \"$path\"\n{\n"
894	. (do { local $/; <$fh> })
895	. "\n};\n1";
896
897	unless (eval $source) {
898	my $msg = $@ ? "$path: $@\n"
899	: "extension disabled.\n";
900	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
901	warn $@;
902	warn "mandatory extension failed to load, exiting.\n";
903	exit 1;
904	}	1349	}
905	die $@;
906	}	1350	};
907		1351
908	push @EXTS, $pkg;	1352	$grp
909	}	1353	}
910		1354
911	sub load_extensions {	1355	sub load_extensions {
		1356	cf::sync_job {
		1357	my %todo;
		1358
912	for my $ext (<$LIBDIR/*.ext>) {	1359	for my $path (<$LIBDIR/*.ext>) {
913	next unless -r $ext;	1360	next unless -r $path;
914	eval {	1361
915	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	$progress = 1;
916	1	1418	}
917	} or warn "$ext not loaded: $@";	1419
		1420	skip:
		1421	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1422	unless $progress;
		1423	}
918	}	1424	};
919	}	1425	}
920		1426
921	#############################################################################	1427	#############################################################################
922		1428
		1429	=back
		1430
923	=head2 CORE EXTENSIONS	1431	=head2 CORE EXTENSIONS
924		1432
925	Functions and methods that extend core crossfire objects.	1433	Functions and methods that extend core deliantra objects.
926		1434
927	=cut	1435	=cut
928		1436
929	package cf::player;	1437	package cf::player;
930		1438
…		…
932		1440
933	=head3 cf::player	1441	=head3 cf::player
934		1442
935	=over 4	1443	=over 4
936		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
937	=item cf::player::find $login	1459	=item cf::player::find $login
938		1460
939	Returns the given player object, loading it if necessary (might block).	1461	Returns the given player object, loading it if necessary (might block).
940		1462
941	=cut	1463	=cut
942		1464
943	sub playerdir($) {	1465	sub playerdir($) {
944	cf::localdir	1466	"$PLAYERDIR/"
945	. "/"
946	. cf::playerdir
947	. "/"
948	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1467	. (ref $_[0] ? $_[0]->ob->name : $_[0])
949	}	1468	}
950		1469
951	sub path($) {	1470	sub path($) {
952	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1471	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
953		1472
954	(playerdir $login) . "/$login.pl"	1473	(playerdir $login) . "/playerdata"
955	}	1474	}
956		1475
957	sub find_active($) {	1476	sub find_active($) {
958	$cf::PLAYER{$_[0]}	1477	$cf::PLAYER{$_[0]}
959	and $cf::PLAYER{$_[0]}->active	1478	and $cf::PLAYER{$_[0]}->active
…		…
962		1481
963	sub exists($) {	1482	sub exists($) {
964	my ($login) = @_;	1483	my ($login) = @_;
965		1484
966	$cf::PLAYER{$login}	1485	$cf::PLAYER{$login}
967	or cf::sync_job { !aio_stat path $login }	1486	or !aio_stat path $login
968	}	1487	}
969		1488
970	sub find($) {	1489	sub find($) {
971	return $cf::PLAYER{$_[0]} || do {	1490	return $cf::PLAYER{$_[0]} || do {
972	my $login = $_[0];	1491	my $login = $_[0];
973		1492
974	my $guard = cf::lock_acquire "user_find:$login";	1493	my $guard = cf::lock_acquire "user_find:$login";
975		1494
976	$cf::PLAYER{$_[0]} || do {	1495	$cf::PLAYER{$_[0]} || do {
977	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
978	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;
979	$cf::PLAYER{$login} = $pl	1511	$cf::PLAYER{$login} = $pl
980	}	1512	}
981	}	1513	}
982	}	1514	}
983		1515
…		…
992	return if $pl->{deny_save};	1524	return if $pl->{deny_save};
993		1525
994	aio_mkdir playerdir $pl, 0770;	1526	aio_mkdir playerdir $pl, 0770;
995	$pl->{last_save} = $cf::RUNTIME;	1527	$pl->{last_save} = $cf::RUNTIME;
996		1528
		1529	cf::get_slot 0.01;
		1530
997	$pl->save_pl ($path);	1531	$pl->save_pl ($path);
998	Coro::cede;	1532	cf::cede_to_tick;
999	}	1533	}
1000		1534
1001	sub new($) {	1535	sub new($) {
1002	my ($login) = @_;	1536	my ($login) = @_;
1003		1537
…		…
1009	$cf::PLAYER{$login} = $self;	1543	$cf::PLAYER{$login} = $self;
1010		1544
1011	$self	1545	$self
1012	}	1546	}
1013		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
1014	=item $pl->quit_character	1558	=item $pl->quit_character
1015		1559
1016	Nukes the player without looking back. If logged in, the connection will	1560	Nukes the player without looking back. If logged in, the connection will
1017	be destroyed. May block for a long time.	1561	be destroyed. May block for a long time.
1018		1562
1019	=cut	1563	=cut
1020		1564
1021	sub quit_character {	1565	sub quit_character {
1022	my ($pl) = @_;	1566	my ($pl) = @_;
1023		1567
		1568	my $name = $pl->ob->name;
		1569
1024	$pl->{deny_save} = 1;	1570	$pl->{deny_save} = 1;
1025	$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
1026		1572
1027	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1573	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1028	$pl->deactivate;	1574	$pl->deactivate;
		1575	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1576	$pl->ob->check_score;
1029	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1577	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1030	$pl->ns->destroy if $pl->ns;	1578	$pl->ns->destroy if $pl->ns;
1031		1579
1032	my $path = playerdir $pl;	1580	my $path = playerdir $pl;
1033	my $temp = "$path~$cf::RUNTIME~deleting~";	1581	my $temp = "$path~$cf::RUNTIME~deleting~";
1034	aio_rename $path, $temp;	1582	aio_rename $path, $temp;
1035	delete $cf::PLAYER{$pl->ob->name};	1583	delete $cf::PLAYER{$pl->ob->name};
1036	$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
1037	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;
1038	}	1606	}
1039		1607
1040	=item cf::player::list_logins	1608	=item cf::player::list_logins
1041		1609
1042	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
1043	while and may block, so not sync_job-capable, ever.	1611	while and may block, so not sync_job-capable, ever.
1044		1612
1045	=cut	1613	=cut
1046		1614
1047	sub list_logins {	1615	sub list_logins {
1048	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1616	my $dirs = aio_readdir $PLAYERDIR
1049	or return [];	1617	or return [];
1050		1618
1051	my @logins;	1619	my @logins;
1052		1620
1053	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") {
1054	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1627	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1055	aio_read $fh, 0, 512, my $buf, 0 or next;	1628	aio_read $fh, 0, 512, my $buf, 0 or next;
1056	$buf !~ /^password -------------$/m or next; # official not-valid tag	1629	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1630	}
1057		1631
1058	utf8::decode $login;	1632	utf8::decode $login;
1059	push @logins, $login;	1633	push @logins, $login;
1060	}	1634	}
1061		1635
…		…
1069		1643
1070	=cut	1644	=cut
1071		1645
1072	sub maps($) {	1646	sub maps($) {
1073	my ($pl) = @_;	1647	my ($pl) = @_;
		1648
		1649	$pl = ref $pl ? $pl->ob->name : $pl;
1074		1650
1075	my $files = aio_readdir playerdir $pl	1651	my $files = aio_readdir playerdir $pl
1076	or return;	1652	or return;
1077		1653
1078	my @paths;	1654	my @paths;
…		…
1080	for (@$files) {	1656	for (@$files) {
1081	utf8::decode $_;	1657	utf8::decode $_;
1082	next if /\.(?:pl|pst)$/;	1658	next if /\.(?:pl|pst)$/;
1083	next unless /^$PATH_SEP/o;	1659	next unless /^$PATH_SEP/o;
1084		1660
1085	push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_;	1661	push @paths, cf::map::normalise "~$pl/$_";
1086	}	1662	}
1087		1663
1088	\@paths	1664	\@paths
1089	}	1665	}
1090		1666
		1667	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1668
		1669	Expand deliantra pod fragments into protocol xml.
		1670
1091	=item $player->ext_reply ($msgid, $msgtype, %msg)	1671	=item $player->ext_reply ($msgid, @msg)
1092		1672
1093	Sends an ext reply to the player.	1673	Sends an ext reply to the player.
1094		1674
1095	=cut	1675	=cut
1096		1676
1097	sub ext_reply($$$%) {	1677	sub ext_reply($$@) {
1098	my ($self, $id, %msg) = @_;	1678	my ($self, $id, @msg) = @_;
1099		1679
1100	$msg{msgid} = $id;	1680	$self->ns->ext_reply ($id, @msg)
1101
1102	$self->send ("ext " . cf::to_json \%msg);
1103	}	1681	}
1104		1682
1105	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	}
1106		1723
1107	=back	1724	=back
1108
1109		1725
1110	=head3 cf::map	1726	=head3 cf::map
1111		1727
1112	=over 4	1728	=over 4
1113		1729
…		…
1125	our $MAX_RESET = 3600;	1741	our $MAX_RESET = 3600;
1126	our $DEFAULT_RESET = 3000;	1742	our $DEFAULT_RESET = 3000;
1127		1743
1128	sub generate_random_map {	1744	sub generate_random_map {
1129	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
1130	# mit "rum" bekleckern, nicht	1749	# mit "rum" bekleckern, nicht
1131	$self->_create_random_map (	1750	$self->_create_random_map (
1132	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1751	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1133	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1752	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1134	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1753	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1168	my ($self, $merge) = @_;	1787	my ($self, $merge) = @_;
1169		1788
1170	# we have to keep some variables in memory intact	1789	# we have to keep some variables in memory intact
1171	local $self->{path};	1790	local $self->{path};
1172	local $self->{load_path};	1791	local $self->{load_path};
1173	local $self->{deny_save};
1174	local $self->{deny_reset};
1175		1792
1176	$self->SUPER::thawer_merge ($merge);	1793	$self->SUPER::thawer_merge ($merge);
1177	}	1794	}
1178		1795
1179	sub normalise {	1796	sub normalise {
…		…
1226	$self->init; # pass $1 etc.	1843	$self->init; # pass $1 etc.
1227	return $self;	1844	return $self;
1228	}	1845	}
1229	}	1846	}
1230		1847
1231	Carp::carp "unable to resolve path '$path' (base '$base').";	1848	Carp::cluck "unable to resolve path '$path' (base '$base').";
1232	()	1849	()
1233	}	1850	}
1234		1851
1235	sub init {	1852	sub init {
1236	my ($self) = @_;	1853	my ($self) = @_;
…		…
1251		1868
1252	# the original (read-only) location	1869	# the original (read-only) location
1253	sub load_path {	1870	sub load_path {
1254	my ($self) = @_;	1871	my ($self) = @_;
1255		1872
1256	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1873	"$MAPDIR/$self->{path}.map"
1257	}	1874	}
1258		1875
1259	# the temporary/swap location	1876	# the temporary/swap location
1260	sub save_path {	1877	sub save_path {
1261	my ($self) = @_;	1878	my ($self) = @_;
1262		1879
1263	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1880	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1264	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1881	"$TMPDIR/$path.map"
1265	}	1882	}
1266		1883
1267	# the unique path, undef == no special unique path	1884	# the unique path, undef == no special unique path
1268	sub uniq_path {	1885	sub uniq_path {
1269	my ($self) = @_;	1886	my ($self) = @_;
1270		1887
1271	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1888	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1272	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1889	"$UNIQUEDIR/$path"
1273	}	1890	}
1274		1891
1275	# and all this just because we cannot iterate over	1892	# and all this just because we cannot iterate over
1276	# all maps in C++...	1893	# all maps in C++...
1277	sub change_all_map_light {	1894	sub change_all_map_light {
…		…
1279		1896
1280	$_->change_map_light ($change)	1897	$_->change_map_light ($change)
1281	for grep $_->outdoor, values %cf::MAP;	1898	for grep $_->outdoor, values %cf::MAP;
1282	}	1899	}
1283		1900
		1901	sub decay_objects {
		1902	my ($self) = @_;
		1903
		1904	return if $self->{deny_reset};
		1905
		1906	$self->do_decay_objects;
		1907	}
		1908
1284	sub unlink_save {	1909	sub unlink_save {
1285	my ($self) = @_;	1910	my ($self) = @_;
1286		1911
1287	utf8::encode (my $save = $self->save_path);	1912	utf8::encode (my $save = $self->save_path);
1288	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1913	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1291		1916
1292	sub load_header_from($) {	1917	sub load_header_from($) {
1293	my ($self, $path) = @_;	1918	my ($self, $path) = @_;
1294		1919
1295	utf8::encode $path;	1920	utf8::encode $path;
1296	aio_open $path, O_RDONLY, 0	1921	my $f = new_from_file cf::object::thawer $path
1297	or return;	1922	or return;
1298		1923
1299	$self->_load_header ($path)	1924	$self->_load_header ($f)
1300	or return;	1925	or return;
		1926
		1927	local $MAP_LOADING{$self->{path}} = $self;
		1928	$f->resolve_delayed_derefs;
1301		1929
1302	$self->{load_path} = $path;	1930	$self->{load_path} = $path;
1303		1931
1304	1	1932	1
1305	}	1933	}
…		…
1344	$self->load_header_orig	1972	$self->load_header_orig
1345	or return;	1973	or return;
1346	$self->prepare_orig;	1974	$self->prepare_orig;
1347	}	1975	}
1348		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
1349	1	1983	1
1350	}	1984	}
1351		1985
1352	sub find;	1986	sub find;
1353	sub find {	1987	sub find {
1354	my ($path, $origin) = @_;	1988	my ($path, $origin) = @_;
1355		1989
1356	$path = normalise $path, $origin && $origin->path;	1990	$path = normalise $path, $origin && $origin->path;
1357		1991
		1992	cf::lock_wait "map_data:$path";#d#remove
1358	cf::lock_wait "map_find:$path";	1993	cf::lock_wait "map_find:$path";
1359		1994
1360	$cf::MAP{$path} || do {	1995	$cf::MAP{$path} || do {
		1996	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1361	my $guard = cf::lock_acquire "map_find:$path";	1997	my $guard2 = cf::lock_acquire "map_find:$path";
		1998
1362	my $map = new_from_path cf::map $path	1999	my $map = new_from_path cf::map $path
1363	or return;	2000	or return;
1364		2001
1365	$map->{last_save} = $cf::RUNTIME;	2002	$map->{last_save} = $cf::RUNTIME;
1366		2003
1367	$map->load_header	2004	$map->load_header
1368	or return;	2005	or return;
1369		2006
1370	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2007	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1371	# doing this can freeze the server in a sync job, obviously	2008	# doing this can freeze the server in a sync job, obviously
1372	#$cf::WAIT_FOR_TICK->wait;	2009	#$cf::WAIT_FOR_TICK->wait;
		2010	undef $guard2;
		2011	undef $guard1;
1373	$map->reset;	2012	$map->reset;
1374	undef $guard;
1375	return find $path;	2013	return find $path;
1376	}	2014	}
1377		2015
1378	$cf::MAP{$path} = $map	2016	$cf::MAP{$path} = $map
1379	}	2017	}
…		…
1386	my ($self) = @_;	2024	my ($self) = @_;
1387		2025
1388	local $self->{deny_reset} = 1; # loading can take a long time	2026	local $self->{deny_reset} = 1; # loading can take a long time
1389		2027
1390	my $path = $self->{path};	2028	my $path = $self->{path};
		2029
		2030	{
1391	my $guard = cf::lock_acquire "map_load:$path";	2031	my $guard = cf::lock_acquire "map_data:$path";
1392		2032
		2033	return unless $self->valid;
1393	return if $self->in_memory != cf::MAP_SWAPPED;	2034	return unless $self->in_memory == cf::MAP_SWAPPED;
1394		2035
1395	$self->in_memory (cf::MAP_LOADING);	2036	$self->in_memory (cf::MAP_LOADING);
1396		2037
1397	$self->alloc;	2038	$self->alloc;
1398		2039
1399	$self->pre_load;	2040	$self->pre_load;
		2041	cf::cede_to_tick;
1400		2042
1401	$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)
1402	or return;	2046	or return;
1403		2047
1404	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2048	$self->post_load_original
1405	if delete $self->{load_original};	2049	if delete $self->{load_original};
1406		2050
1407	if (my $uniq = $self->uniq_path) {	2051	if (my $uniq = $self->uniq_path) {
1408	utf8::encode $uniq;	2052	utf8::encode $uniq;
1409	if (aio_open $uniq, O_RDONLY, 0) {	2053	unless (aio_stat $uniq) {
		2054	if (my $f = new_from_file cf::object::thawer $uniq) {
1410	$self->clear_unique_items;	2055	$self->clear_unique_items;
1411	$self->_load_objects ($uniq, 0);	2056	$self->_load_objects ($f);
		2057	$f->resolve_delayed_derefs;
		2058	}
1412	}	2059	}
1413	}	2060	}
1414		2061
1415	Coro::cede;	2062	$f->resolve_delayed_derefs;
1416		2063
		2064	cf::cede_to_tick;
1417	# now do the right thing for maps	2065	# now do the right thing for maps
1418	$self->link_multipart_objects;	2066	$self->link_multipart_objects;
1419
1420	unless ($self->{deny_activate}) {
1421	$self->decay_objects;
1422	$self->fix_auto_apply;
1423	$self->update_buttons;
1424	Coro::cede;
1425	$self->set_darkness_map;
1426	$self->difficulty ($self->estimate_difficulty)	2067	$self->difficulty ($self->estimate_difficulty)
1427	unless $self->difficulty;	2068	unless $self->difficulty;
1428	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;
1429	$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);
1430	}	2085	}
1431		2086
1432	$self->post_load;	2087	$self->post_load;
1433
1434	$self->in_memory (cf::MAP_IN_MEMORY);
1435	}	2088	}
1436		2089
1437	sub customise_for {	2090	sub customise_for {
1438	my ($self, $ob) = @_;	2091	my ($self, $ob) = @_;
1439		2092
1440	return find "~" . $ob->name . "/" . $self->{path}	2093	return find "~" . $ob->name . "/" . $self->{path}
1441	if $self->per_player;	2094	if $self->per_player;
1442		2095
		2096	# return find "?party/" . $ob->name . "/" . $self->{path}
		2097	# if $self->per_party;
		2098
1443	$self	2099	$self
1444	}	2100	}
1445		2101
1446	# 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
1447	sub load_diag {	2103	sub load_neighbours {
1448	my ($map) = @_;	2104	my ($map) = @_;
1449		2105
1450	my @diag; # diagonal neighbours	2106	my @neigh; # diagonal neighbours
1451		2107
1452	for (0 .. 3) {	2108	for (0 .. 3) {
1453	my $neigh = $map->tile_path ($_)	2109	my $neigh = $map->tile_path ($_)
1454	or next;	2110	or next;
1455	$neigh = find $neigh, $map	2111	$neigh = find $neigh, $map
1456	or next;	2112	or next;
1457	$neigh->load;	2113	$neigh->load;
1458		2114
		2115	push @neigh,
1459	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2116	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1460	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2117	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1461	}	2118	}
1462		2119
1463	for (@diag) {	2120	for (grep defined $_->[0], @neigh) {
		2121	my ($path, $origin) = @$_;
1464	my $neigh = find @$_	2122	my $neigh = find $path, $origin
1465	or next;	2123	or next;
1466	$neigh->load;	2124	$neigh->load;
1467	}	2125	}
1468	}	2126	}
1469		2127
…		…
1474	}	2132	}
1475		2133
1476	sub do_load_sync {	2134	sub do_load_sync {
1477	my ($map) = @_;	2135	my ($map) = @_;
1478		2136
		2137	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2138	if $Coro::current == $Coro::main;
		2139
1479	cf::sync_job { $map->load };	2140	cf::sync_job { $map->load };
1480	}	2141	}
1481		2142
1482	our %MAP_PREFETCH;	2143	our %MAP_PREFETCH;
1483	our $MAP_PREFETCHER = undef;	2144	our $MAP_PREFETCHER = undef;
1484		2145
1485	sub find_async {	2146	sub find_async {
1486	my ($path, $origin) = @_;	2147	my ($path, $origin, $load) = @_;
1487		2148
1488	$path = normalise $path, $origin && $origin->{path};	2149	$path = normalise $path, $origin && $origin->{path};
1489		2150
1490	if (my $map = $cf::MAP{$path}) {	2151	if (my $map = $cf::MAP{$path}) {
1491	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2152	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1492	}	2153	}
1493		2154
1494	undef $MAP_PREFETCH{$path};	2155	$MAP_PREFETCH{$path} |= $load;
		2156
1495	$MAP_PREFETCHER ||= cf::async {	2157	$MAP_PREFETCHER ||= cf::async {
		2158	$Coro::current->{desc} = "map prefetcher";
		2159
1496	while (%MAP_PREFETCH) {	2160	while (%MAP_PREFETCH) {
1497	for my $path (keys %MAP_PREFETCH) {	2161	while (my ($k, $v) = each %MAP_PREFETCH) {
1498	my $map = find $path	2162	if (my $map = find $k) {
1499	or next;
1500	$map->load;	2163	$map->load if $v;
		2164	}
1501		2165
1502	delete $MAP_PREFETCH{$path};	2166	delete $MAP_PREFETCH{$k};
1503	}	2167	}
1504	}	2168	}
1505	undef $MAP_PREFETCHER;	2169	undef $MAP_PREFETCHER;
1506	};	2170	};
1507	$MAP_PREFETCHER->prio (6);	2171	$MAP_PREFETCHER->prio (6);
…		…
1510	}	2174	}
1511		2175
1512	sub save {	2176	sub save {
1513	my ($self) = @_;	2177	my ($self) = @_;
1514		2178
1515	my $lock = cf::lock_acquire "map_data:" . $self->path;	2179	my $lock = cf::lock_acquire "map_data:$self->{path}";
1516		2180
1517	$self->{last_save} = $cf::RUNTIME;	2181	$self->{last_save} = $cf::RUNTIME;
1518		2182
1519	return unless $self->dirty;	2183	return unless $self->dirty;
1520		2184
…		…
1526	return if $self->{deny_save};	2190	return if $self->{deny_save};
1527		2191
1528	local $self->{last_access} = $self->last_access;#d#	2192	local $self->{last_access} = $self->last_access;#d#
1529		2193
1530	cf::async {	2194	cf::async {
		2195	$Coro::current->{desc} = "map player save";
1531	$_->contr->save for $self->players;	2196	$_->contr->save for $self->players;
1532	};	2197	};
		2198
		2199	cf::get_slot 0.02;
1533		2200
1534	if ($uniq) {	2201	if ($uniq) {
1535	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2202	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1536	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2203	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1537	} else {	2204	} else {
…		…
1543	my ($self) = @_;	2210	my ($self) = @_;
1544		2211
1545	# save first because save cedes	2212	# save first because save cedes
1546	$self->save;	2213	$self->save;
1547		2214
1548	my $lock = cf::lock_acquire "map_data:" . $self->path;	2215	my $lock = cf::lock_acquire "map_data:$self->{path}";
1549		2216
1550	return if $self->players;	2217	return if $self->players;
1551	return if $self->in_memory != cf::MAP_IN_MEMORY;	2218	return if $self->in_memory != cf::MAP_ACTIVE;
1552	return if $self->{deny_save};	2219	return if $self->{deny_save};
1553		2220
		2221	$self->in_memory (cf::MAP_SWAPPED);
		2222
		2223	$self->deactivate;
		2224	$_->clear_links_to ($self) for values %cf::MAP;
1554	$self->clear;	2225	$self->clear;
1555	$self->in_memory (cf::MAP_SWAPPED);
1556	}	2226	}
1557		2227
1558	sub reset_at {	2228	sub reset_at {
1559	my ($self) = @_;	2229	my ($self) = @_;
1560		2230
1561	# TODO: safety, remove and allow resettable per-player maps	2231	# TODO: safety, remove and allow resettable per-player maps
1562	return 1e99 if $self->isa ("ext::map_per_player");#d#
1563	return 1e99 if $self->{deny_reset};	2232	return 1e99 if $self->{deny_reset};
1564		2233
1565	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2234	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1566	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;
1567		2236
…		…
1578	my ($self) = @_;	2247	my ($self) = @_;
1579		2248
1580	my $lock = cf::lock_acquire "map_data:$self->{path}";	2249	my $lock = cf::lock_acquire "map_data:$self->{path}";
1581		2250
1582	return if $self->players;	2251	return if $self->players;
1583	return if $self->isa ("ext::map_per_player");#d#
1584		2252
1585	warn "resetting map ", $self->path;#d#	2253	warn "resetting map ", $self->path;
		2254
		2255	$self->in_memory (cf::MAP_SWAPPED);
		2256
		2257	# need to save uniques path
		2258	unless ($self->{deny_save}) {
		2259	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2260
		2261	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2262	if $uniq;
		2263	}
1586		2264
1587	delete $cf::MAP{$self->path};	2265	delete $cf::MAP{$self->path};
1588		2266
1589	$self->in_memory (cf::MAP_SWAPPED);	2267	$self->deactivate;
		2268	$_->clear_links_to ($self) for values %cf::MAP;
1590	$self->clear;	2269	$self->clear;
1591
1592	$_->clear_links_to ($self) for values %cf::MAP;
1593		2270
1594	$self->unlink_save;	2271	$self->unlink_save;
1595	$self->destroy;	2272	$self->destroy;
1596	}	2273	}
1597		2274
1598	my $nuke_counter = "aaaa";	2275	my $nuke_counter = "aaaa";
1599		2276
1600	sub nuke {	2277	sub nuke {
1601	my ($self) = @_;	2278	my ($self) = @_;
1602		2279
		2280	{
		2281	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2282
1603	delete $cf::MAP{$self->path};	2283	delete $cf::MAP{$self->path};
1604		2284
1605	$self->unlink_save;	2285	$self->unlink_save;
1606		2286
1607	bless $self, "cf::map";	2287	bless $self, "cf::map";
1608	delete $self->{deny_reset};	2288	delete $self->{deny_reset};
1609	$self->{deny_save} = 1;	2289	$self->{deny_save} = 1;
1610	$self->reset_timeout (1);	2290	$self->reset_timeout (1);
1611	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2291	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1612		2292
1613	$cf::MAP{$self->path} = $self;	2293	$cf::MAP{$self->path} = $self;
		2294	}
1614		2295
1615	$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	]
1616	}	2333	}
1617		2334
1618	=item cf::map::unique_maps	2335	=item cf::map::unique_maps
1619		2336
1620	Returns an arrayref of paths of all shared maps that have	2337	Returns an arrayref of paths of all shared maps that have
1621	instantiated unique items. May block.	2338	instantiated unique items. May block.
1622		2339
1623	=cut	2340	=cut
1624		2341
1625	sub unique_maps() {	2342	sub unique_maps() {
1626	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2343	[
1627	or return;	2344	map {
1628
1629	my @paths;
1630
1631	for (@$files) {
1632	utf8::decode $_;	2345	utf8::decode $_;
1633	next if /\.pst$/;	2346	s/\.map$//; # TODO future compatibility hack
1634	next unless /^$PATH_SEP/o;	2347	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1635		2348	? ()
1636	push @paths, cf::map::normalise $_;	2349	: normalise $_
		2350	} @{ aio_readdir $UNIQUEDIR or [] }
1637	}	2351	]
1638
1639	\@paths
1640	}	2352	}
1641
1642	package cf;
1643		2353
1644	=back	2354	=back
1645		2355
1646	=head3 cf::object	2356	=head3 cf::object
1647		2357
…		…
1651		2361
1652	=over 4	2362	=over 4
1653		2363
1654	=item $ob->inv_recursive	2364	=item $ob->inv_recursive
1655		2365
1656	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.
1657		2368
1658	=cut	2369	=cut
1659		2370
1660	sub inv_recursive_;	2371	sub inv_recursive_;
1661	sub inv_recursive_ {	2372	sub inv_recursive_ {
…		…
1664		2375
1665	sub inv_recursive {	2376	sub inv_recursive {
1666	inv_recursive_ inv $_[0]	2377	inv_recursive_ inv $_[0]
1667	}	2378	}
1668		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
1669	package cf;	2408	package cf;
1670		2409
1671	=back	2410	=back
1672		2411
1673	=head3 cf::object::player	2412	=head3 cf::object::player
…		…
1679	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>
1680	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
1681	dialogue with the given NPC character.	2420	dialogue with the given NPC character.
1682		2421
1683	=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	};
1684		2437
1685	# rough implementation of a future "reply" method that works	2438	# rough implementation of a future "reply" method that works
1686	# with dialog boxes.	2439	# with dialog boxes.
1687	#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
1688	sub cf::object::player::reply($$$;$) {	2441	sub cf::object::player::reply($$$;$) {
…		…
1690		2443
1691	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2444	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1692		2445
1693	if ($self->{record_replies}) {	2446	if ($self->{record_replies}) {
1694	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2447	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2448
1695	} 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 {
1696	$msg = $npc->name . " says: $msg" if $npc;	2457	$msg = $npc->name . " says: $msg" if $npc;
1697	$self->message ($msg, $flags);	2458	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2459	}
1698	}	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 (@_);
1699	}	2471	}
1700		2472
1701	=item $player_object->may ("access")	2473	=item $player_object->may ("access")
1702		2474
1703	Returns wether the given player is authorized to access resource "access"	2475	Returns wether the given player is authorized to access resource "access"
…		…
1716		2488
1717	=item $player_object->enter_link	2489	=item $player_object->enter_link
1718		2490
1719	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}>).
1720		2492
1721	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.
1722	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.
1723		2497
1724	Will never block.	2498	Will never block.
1725		2499
1726	=item $player_object->leave_link ($map, $x, $y)	2500	=item $player_object->leave_link ($map, $x, $y)
1727		2501
…		…
1750	$self->deactivate_recursive;	2524	$self->deactivate_recursive;
1751		2525
1752	return if UNIVERSAL::isa $self->map, "ext::map_link";	2526	return if UNIVERSAL::isa $self->map, "ext::map_link";
1753		2527
1754	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2528	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1755	if $self->map;	2529	if $self->map && $self->map->{path} ne "{link}";
1756		2530
1757	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2531	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1758	}	2532	}
1759		2533
1760	sub cf::object::player::leave_link {	2534	sub cf::object::player::leave_link {
1761	my ($self, $map, $x, $y) = @_;	2535	my ($self, $map, $x, $y) = @_;
		2536
		2537	return unless $self->contr->active;
1762		2538
1763	my $link_pos = delete $self->{_link_pos};	2539	my $link_pos = delete $self->{_link_pos};
1764		2540
1765	unless ($map) {	2541	unless ($map) {
1766	# restore original map position	2542	# restore original map position
…		…
1780	# use -1 or undef as default coordinates, not 0, 0	2556	# use -1 or undef as default coordinates, not 0, 0
1781	($x, $y) = ($map->enter_x, $map->enter_y)	2557	($x, $y) = ($map->enter_x, $map->enter_y)
1782	if $x <=0 && $y <= 0;	2558	if $x <=0 && $y <= 0;
1783		2559
1784	$map->load;	2560	$map->load;
1785	$map->load_diag;	2561	$map->load_neighbours;
1786		2562
1787	return unless $self->contr->active;	2563	return unless $self->contr->active;
		2564	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1788	$self->activate_recursive;	2565	$self->activate_recursive;
		2566
		2567	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1789	$self->enter_map ($map, $x, $y);	2568	$self->enter_map ($map, $x, $y);
1790	}	2569	}
1791		2570
1792	cf::player->attach (	2571	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1793	on_logout => sub {
1794	my ($pl) = @_;
1795		2572
1796	# abort map switching before logout	2573	Moves the player to the given map-path and coordinates by first freezing
1797	if ($pl->ob->{_link_pos}) {	2574	her, loading and preparing them map, calling the provided $check callback
1798	cf::sync_job {	2575	that has to return the map if sucecssful, and then unfreezes the player on
1799	$pl->ob->leave_link	2576	the new (success) or old (failed) map position. In either case, $done will
1800	};	2577	be called at the end of this process.
1801	}
1802	},
1803	on_login => sub {
1804	my ($pl) = @_;
1805		2578
1806	# try to abort aborted map switching on player login :)	2579	Note that $check will be called with a potentially non-loaded map, so if
1807	# should happen only on crashes	2580	it needs a loaded map it has to call C<< ->load >>.
1808	if ($pl->ob->{_link_pos}) {
1809	$pl->ob->enter_link;
1810	(async {
1811	# we need this sleep as the login has a concurrent enter_exit running
1812	# and this sleep increases chances of the player not ending up in scorn
1813	$pl->ob->reply (undef,
1814	"There was an internal problem at your last logout, "
1815	. "the server will try to bring you to your intended destination in a second.",
1816	cf::NDI_RED);
1817	Coro::Timer::sleep 1;
1818	$pl->ob->leave_link;
1819	})->prio (2);
1820	}
1821	},
1822	);
1823		2581
1824	=item $player_object->goto ($path, $x, $y)
1825
1826	=cut	2582	=cut
		2583
		2584	our $GOTOGEN;
1827		2585
1828	sub cf::object::player::goto {	2586	sub cf::object::player::goto {
1829	my ($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;
1830		2591
1831	$self->enter_link;	2592	$self->enter_link;
1832		2593
1833	(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
1834	my $map = eval {	2616	my $map = eval {
1835	my $map = cf::map::find $path;	2617	my $map = defined $path ? cf::map::find $path : undef;
		2618
		2619	if ($map) {
1836	$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
1837	$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 $@;
1838	} or	2632	}
1839	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1840		2633
		2634	if ($gen == $self->{_goto_generation}) {
		2635	delete $self->{_goto_generation};
1841	$self->leave_link ($map, $x, $y);	2636	$self->leave_link ($map, $x, $y);
		2637	}
		2638
		2639	$done->() if $done;
1842	})->prio (1);	2640	})->prio (1);
1843	}	2641	}
1844		2642
1845	=item $player_object->enter_exit ($exit_object)	2643	=item $player_object->enter_exit ($exit_object)
1846		2644
…		…
1866	}	2664	}
1867		2665
1868	sub prepare_random_map {	2666	sub prepare_random_map {
1869	my ($exit) = @_;	2667	my ($exit) = @_;
1870		2668
1871	my $guard = cf::lock_acquire "exit_prepare:$exit";
1872
1873	# all this does is basically replace the /! path by	2669	# all this does is basically replace the /! path by
1874	# a new random map path (?random/...) with a seed	2670	# a new random map path (?random/...) with a seed
1875	# that depends on the exit object	2671	# that depends on the exit object
1876		2672
1877	my $rmp = parse_random_map_params $exit->msg;	2673	my $rmp = parse_random_map_params $exit->msg;
…		…
1879	if ($exit->map) {	2675	if ($exit->map) {
1880	$rmp->{region} = $exit->region->name;	2676	$rmp->{region} = $exit->region->name;
1881	$rmp->{origin_map} = $exit->map->path;	2677	$rmp->{origin_map} = $exit->map->path;
1882	$rmp->{origin_x} = $exit->x;	2678	$rmp->{origin_x} = $exit->x;
1883	$rmp->{origin_y} = $exit->y;	2679	$rmp->{origin_y} = $exit->y;
		2680
		2681	$exit->map->touch;
1884	}	2682	}
1885		2683
1886	$rmp->{random_seed} ||= $exit->random_seed;	2684	$rmp->{random_seed} ||= $exit->random_seed;
1887		2685
1888	my $data = cf::to_json $rmp;	2686	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1889	my $md5 = Digest::MD5::md5_hex $data;	2687	my $md5 = Digest::MD5::md5_hex $data;
1890	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2688	my $meta = "$RANDOMDIR/$md5.meta";
1891		2689
1892	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2690	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1893	aio_write $fh, 0, (length $data), $data, 0;	2691	aio_write $fh, 0, (length $data), $data, 0;
1894	undef $fh;	2692	undef $fh;
1895	aio_rename "$meta~", $meta;	2693	aio_rename "$meta~", $meta;
1896		2694
		2695	my $slaying = "?random/$md5";
		2696
		2697	if ($exit->valid) {
1897	$exit->slaying ("?random/$md5");	2698	$exit->slaying ("?random/$md5");
1898	$exit->msg (undef);	2699	$exit->msg (undef);
		2700	}
1899	}	2701	}
1900	}	2702	}
1901		2703
1902	sub cf::object::player::enter_exit {	2704	sub cf::object::player::enter_exit {
1903	my ($self, $exit) = @_;	2705	my ($self, $exit) = @_;
1904		2706
1905	return unless $self->type == cf::PLAYER;	2707	return unless $self->type == cf::PLAYER;
1906		2708
1907	if ($exit->slaying eq "/!") {
1908	#TODO: this should de-fi-ni-te-ly not be a sync-job
1909	cf::sync_job { prepare_random_map $exit };
1910	}
1911
1912	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1913	my $hp = $exit->stats->hp;
1914	my $sp = $exit->stats->sp;
1915
1916	$self->enter_link;	2709	$self->enter_link;
1917		2710
1918	(async {	2711	(async {
1919	$self->deactivate_recursive; # just to be sure	2712	$Coro::current->{desc} = "enter_exit";
		2713
1920	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
1921	$self->goto ($slaying, $hp, $sp);	2729	$self->goto ($map, $x, $y);
1922		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
1923	1;	2735	1
1924	}) {	2736	}) {
1925	$self->message ("Something went wrong deep within the crossfire server. "	2737	$self->message ("Something went wrong deep within the deliantra server. "
1926	. "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. "
1927	. "Please report this to the dungeon master!",	2739	. "Please report this to the dungeon master!",
1928	cf::NDI_UNIQUE | cf::NDI_RED);	2740	cf::NDI_UNIQUE | cf::NDI_RED);
1929		2741
1930	warn "ERROR in enter_exit: $@";	2742	warn "ERROR in enter_exit: $@";
1931	$self->leave_link;	2743	$self->leave_link;
1932	}	2744	}
1933	})->prio (1);	2745	})->prio (1);
…		…
1946		2758
1947	sub cf::client::send_drawinfo {	2759	sub cf::client::send_drawinfo {
1948	my ($self, $text, $flags) = @_;	2760	my ($self, $text, $flags) = @_;
1949		2761
1950	utf8::encode $text;	2762	utf8::encode $text;
1951	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2763	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1952	}	2764	}
1953		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	}
1954		2951
1955	=item $success = $client->query ($flags, "text", \&cb)	2952	=item $success = $client->query ($flags, "text", \&cb)
1956		2953
1957	Queues a query to the client, calling the given callback with	2954	Queues a query to the client, calling the given callback with
1958	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>,
1959	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>.
1960		2957
1961	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
1962	reliable at some point in the future.	2959	become reliable at some point in the future.
1963		2960
1964	=cut	2961	=cut
1965		2962
1966	sub cf::client::query {	2963	sub cf::client::query {
1967	my ($self, $flags, $text, $cb) = @_;	2964	my ($self, $flags, $text, $cb) = @_;
…		…
1975	utf8::encode $text;	2972	utf8::encode $text;
1976	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2973	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1977		2974
1978	$self->send_packet ($self->{query_queue}[0][0])	2975	$self->send_packet ($self->{query_queue}[0][0])
1979	if @{ $self->{query_queue} } == 1;	2976	if @{ $self->{query_queue} } == 1;
		2977
		2978	1
1980	}	2979	}
1981		2980
1982	cf::client->attach (	2981	cf::client->attach (
		2982	on_connect => sub {
		2983	my ($ns) = @_;
		2984
		2985	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2986	},
1983	on_reply => sub {	2987	on_reply => sub {
1984	my ($ns, $msg) = @_;	2988	my ($ns, $msg) = @_;
1985		2989
1986	# this weird shuffling is so that direct followup queries	2990	# this weird shuffling is so that direct followup queries
1987	# get handled first	2991	# get handled first
1988	my $queue = delete $ns->{query_queue}	2992	my $queue = delete $ns->{query_queue}
1989	or return; # be conservative, not sure how that can happen, but we saw a crash here	2993	or return; # be conservative, not sure how that can happen, but we saw a crash here
1990		2994
1991	(shift @$queue)->[1]->($msg);	2995	(shift @$queue)->[1]->($msg);
		2996	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1992		2997
1993	push @{ $ns->{query_queue} }, @$queue;	2998	push @{ $ns->{query_queue} }, @$queue;
1994		2999
1995	if (@{ $ns->{query_queue} } == @$queue) {	3000	if (@{ $ns->{query_queue} } == @$queue) {
1996	if (@$queue) {	3001	if (@$queue) {
…		…
1998	} else {	3003	} else {
1999	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3004	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2000	}	3005	}
2001	}	3006	}
2002	},	3007	},
		3008	on_exticmd => sub {
		3009	my ($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	},
2003	);	3034	);
2004		3035
2005	=item $client->async (\&cb)	3036	=item $client->async (\&cb)
2006		3037
2007	Create a new coroutine, running the specified callback. The coroutine will	3038	Create a new coroutine, running the specified callback. The coroutine will
…		…
2048	our $safe = new Safe "safe";	3079	our $safe = new Safe "safe";
2049	our $safe_hole = new Safe::Hole;	3080	our $safe_hole = new Safe::Hole;
2050		3081
2051	$SIG{FPE} = 'IGNORE';	3082	$SIG{FPE} = 'IGNORE';
2052		3083
2053	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3084	$safe->permit_only (Opcode::opset qw(
		3085	:base_core :base_mem :base_orig :base_math
		3086	grepstart grepwhile mapstart mapwhile
		3087	sort time
		3088	));
2054		3089
2055	# here we export the classes and methods available to script code	3090	# here we export the classes and methods available to script code
2056		3091
2057	=pod	3092	=pod
2058		3093
2059	The following fucntions and emthods are available within a safe environment:	3094	The following functions and methods are available within a safe environment:
2060		3095
2061	cf::object contr pay_amount pay_player map	3096	cf::object
		3097	contr pay_amount pay_player map x y force_find force_add destroy
		3098	insert remove name archname title slaying race decrease split
		3099
2062	cf::object::player player	3100	cf::object::player
2063	cf::player peaceful	3101	player
2064	cf::map trigger	3102
		3103	cf::player
		3104	peaceful
		3105
		3106	cf::map
		3107	trigger
2065		3108
2066	=cut	3109	=cut
2067		3110
2068	for (	3111	for (
2069	["cf::object" => qw(contr pay_amount pay_player map)],	3112	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3113	insert remove inv nrof name archname title slaying race
		3114	decrease split destroy change_exp)],
2070	["cf::object::player" => qw(player)],	3115	["cf::object::player" => qw(player)],
2071	["cf::player" => qw(peaceful)],	3116	["cf::player" => qw(peaceful)],
2072	["cf::map" => qw(trigger)],	3117	["cf::map" => qw(trigger)],
2073	) {	3118	) {
2074	no strict 'refs';	3119	no strict 'refs';
…		…
2145	=back	3190	=back
2146		3191
2147	=cut	3192	=cut
2148		3193
2149	#############################################################################	3194	#############################################################################
		3195	# the server's init and main functions
2150		3196
2151	=head2 EXTENSION DATABASE SUPPORT	3197	sub load_facedata($) {
		3198	my ($path) = @_;
2152		3199
2153	Crossfire maintains a very simple database for extension use. It can	3200	# HACK to clear player env face cache, we need some signal framework
2154	currently store anything that can be serialised using Storable, which	3201	# for this (global event?)
2155	excludes objects.	3202	%ext::player_env::MUSIC_FACE_CACHE = ();
2156		3203
2157	The parameter C<$family> should best start with the name of the extension	3204	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2158	using it, it should be unique.
2159		3205
2160	=over 4	3206	warn "loading facedata from $path\n";
2161		3207
2162	=item $hashref = cf::db_get $family	3208	my $facedata;
		3209	0 < aio_load $path, $facedata
		3210	or die "$path: $!";
2163		3211
2164	Return a hashref for use by the extension C<$family>, which can be	3212	$facedata = Coro::Storable::thaw $facedata;
2165	modified. After modifications, you have to call C<cf::db_dirty> or
2166	C<cf::db_sync>.
2167		3213
2168	=item $value = cf::db_get $family => $key	3214	$facedata->{version} == 2
		3215	or cf::cleanup "$path: version mismatch, cannot proceed.";
2169		3216
2170	Returns a single value from the database	3217	# patch in the exptable
2171		3218	$facedata->{resource}{"res/exp_table"} = {
2172	=item cf::db_put $family => $hashref	3219	type => FT_RSRC,
2173		3220	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2174	Stores the given family hashref into the database. Updates are delayed, if
2175	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2176
2177	=item cf::db_put $family => $key => $value
2178
2179	Stores the given C<$value> in the family hash. Updates are delayed, if you
2180	want the data to be synced to disk immediately, use C<cf::db_sync>.
2181
2182	=item cf::db_dirty
2183
2184	Marks the database as dirty, to be updated at a later time.
2185
2186	=item cf::db_sync
2187
2188	Immediately write the database to disk I<if it is dirty>.
2189
2190	=cut
2191
2192	our $DB;
2193
2194	{
2195	my $path = cf::localdir . "/database.pst";
2196
2197	sub db_load() {
2198	$DB = stat $path ? Storable::retrieve $path : { };
2199	}	3221	};
		3222	cf::cede_to_tick;
2200		3223
2201	my $pid;
2202
2203	sub db_save() {
2204	waitpid $pid, 0 if $pid;
2205	if (0 == ($pid = fork)) {
2206	$DB->{_meta}{version} = 1;
2207	Storable::nstore $DB, "$path~";
2208	rename "$path~", $path;
2209	cf::_exit 0 if defined $pid;
2210	}
2211	}	3224	{
		3225	my $faces = $facedata->{faceinfo};
2212		3226
2213	my $dirty;	3227	while (my ($face, $info) = each %$faces) {
		3228	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2214		3229
2215	sub db_sync() {	3230	cf::face::set_visibility $idx, $info->{visibility};
2216	db_save if $dirty;	3231	cf::face::set_magicmap $idx, $info->{magicmap};
2217	undef $dirty;	3232	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2218	}	3233	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2219		3234
2220	my $idle = Event->idle (	3235	cf::cede_to_tick;
2221	reentrant => 0,
2222	min => 10,
2223	max => 20,
2224	repeat => 0,
2225	data => WF_AUTOCANCEL,
2226	cb => \&db_sync,
2227	);
2228
2229	sub db_dirty() {
2230	$dirty = 1;
2231	$idle->start;
2232	}
2233
2234	sub db_get($;$) {
2235	@_ >= 2
2236	? $DB->{$_[0]}{$_[1]}
2237	: ($DB->{$_[0]} ||= { })
2238	}
2239
2240	sub db_put($$;$) {
2241	if (@_ >= 3) {
2242	$DB->{$_[0]}{$_[1]} = $_[2];
2243	} else {
2244	$DB->{$_[0]} = $_[1];
2245	}
2246	db_dirty;
2247	}
2248
2249	cf::global->attach (
2250	prio => 10000,
2251	on_cleanup => sub {
2252	db_sync;
2253	},	3236	}
2254	);
2255	}
2256		3237
2257	#############################################################################	3238	while (my ($face, $info) = each %$faces) {
2258	# the server's main()	3239	next unless $info->{smooth};
2259		3240
2260	sub cfg_load {	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"
		3348	or die "unable to load regions file\n";
		3349
		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 {
2261	open my $fh, "<:utf8", cf::confdir . "/config"	3383	open my $fh, "<:utf8", "$CONFDIR/config"
2262	or return;	3384	or return;
2263		3385
2264	local $/;	3386	local $/;
2265	*CFG = YAML::Syck::Load <$fh>;	3387	*CFG = YAML::Load <$fh>;
2266		3388
2267	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3389	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2268		3390
2269	$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};
2270	$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};
…		…
2276	};	3398	};
2277	warn $@ if $@;	3399	warn $@ if $@;
2278	}	3400	}
2279	}	3401	}
2280		3402
		3403	sub pidfile() {
		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 $$;
		3420	}
		3421
2281	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
2282	# we must not ever block the main coroutine	3438	# we must not ever block the main coroutine
2283	local $Coro::idle = sub {	3439	local $Coro::idle = sub {
2284	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#
2285	(async {	3441	(async {
2286	Event::one_event;	3442	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3443	EV::loop EV::LOOP_ONESHOT;
2287	})->prio (Coro::PRIO_MAX);	3444	})->prio (Coro::PRIO_MAX);
2288	};	3445	};
2289		3446
2290	cfg_load;	3447	evthread_start IO::AIO::poll_fileno;
2291	db_load;	3448
		3449	cf::sync_job {
		3450	reload_resources;
		3451	reload_config;
		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
2292	load_extensions;	3465	load_extensions;
2293		3466
2294	$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
2295	Event::loop;	3475	EV::loop;
2296	}	3476	}
2297		3477
2298	#############################################################################	3478	#############################################################################
2299	# initialisation and cleanup	3479	# initialisation and cleanup
2300		3480
2301	# install some emergency cleanup handlers	3481	# install some emergency cleanup handlers
2302	BEGIN {	3482	BEGIN {
		3483	our %SIGWATCHER = ();
2303	for my $signal (qw(INT HUP TERM)) {	3484	for my $signal (qw(INT HUP TERM)) {
2304	Event->signal (	3485	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2305	reentrant => 0,
2306	data => WF_AUTOCANCEL,
2307	signal => $signal,
2308	prio => 0,
2309	cb => sub {
2310	cf::cleanup "SIG$signal";	3486	cf::cleanup "SIG$signal";
2311	},
2312	);	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
2313	}	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 };
2314	}	3575	}
2315		3576
2316	sub emergency_save() {	3577	sub emergency_save() {
2317	my $freeze_guard = cf::freeze_mainloop;	3578	my $freeze_guard = cf::freeze_mainloop;
2318		3579
2319	warn "enter emergency perl save\n";	3580	warn "emergency_perl_save: enter\n";
2320		3581
2321	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
2322	# use a peculiar iteration method to avoid tripping on perl	3588	# use a peculiar iteration method to avoid tripping on perl
2323	# refcount bugs in for. also avoids problems with players	3589	# refcount bugs in for. also avoids problems with players
2324	# and maps saved/destroyed asynchronously.	3590	# and maps saved/destroyed asynchronously.
2325	warn "begin emergency player save\n";	3591	warn "emergency_perl_save: begin player save\n";
2326	for my $login (keys %cf::PLAYER) {	3592	for my $login (keys %cf::PLAYER) {
2327	my $pl = $cf::PLAYER{$login} or next;	3593	my $pl = $cf::PLAYER{$login} or next;
2328	$pl->valid or next;	3594	$pl->valid or next;
		3595	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2329	$pl->save;	3596	$pl->save;
2330	}	3597	}
2331	warn "end emergency player save\n";	3598	warn "emergency_perl_save: end player save\n";
2332		3599
2333	warn "begin emergency map save\n";	3600	warn "emergency_perl_save: begin map save\n";
2334	for my $path (keys %cf::MAP) {	3601	for my $path (keys %cf::MAP) {
2335	my $map = $cf::MAP{$path} or next;	3602	my $map = $cf::MAP{$path} or next;
2336	$map->valid or next;	3603	$map->valid or next;
2337	$map->save;	3604	$map->save;
2338	}	3605	}
2339	warn "end emergency map save\n";	3606	warn "emergency_perl_save: end map save\n";
		3607
		3608	warn "emergency_perl_save: begin database checkpoint\n";
		3609	BDB::db_env_txn_checkpoint $DB_ENV;
		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
		3625	sub post_cleanup {
		3626	my ($make_core) = @_;
		3627
		3628	warn Carp::longmess "post_cleanup backtrace"
		3629	if $make_core;
		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 $pkg\n";#d#
		3659	}
		3660
2345	sub reload() {	3661	sub do_reload_perl() {
2346	# can/must only be called in main	3662	# can/must only be called in main
2347	if ($Coro::current != $Coro::main) {	3663	if ($Coro::current != $Coro::main) {
2348	warn "can only reload from main coroutine";	3664	warn "can only reload from main coroutine";
2349	return;	3665	return;
2350	}	3666	}
2351		3667
		3668	return if $RELOAD++;
		3669
		3670	my $t1 = EV::time;
		3671
		3672	while ($RELOAD) {
2352	warn "reloading...";	3673	warn "reloading...";
2353		3674
2354	warn "cancelling server ticker";	3675	warn "entering sync_job";
2355	$TICK_WATCHER->cancel;
2356		3676
		3677	cf::sync_job {
		3678	cf::write_runtime_sync; # external watchdog should not bark
2357	cf::emergency_save;	3679	cf::emergency_save;
		3680	cf::write_runtime_sync; # external watchdog should not bark
2358		3681
2359	eval {	3682	warn "syncing database to disk";
		3683	BDB::db_env_txn_checkpoint $DB_ENV;
		3684
2360	# 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
2361		3686
2362	warn "syncing database to disk";
2363	cf::db_sync;
2364
2365	warn "cancelling all WF_AUTOCANCEL watchers";
2366	for (Event::all_watchers) {
2367	$_->cancel if $_->data & WF_AUTOCANCEL;
2368	}
2369
2370	warn "flushing outstanding aio requests";	3687	warn "flushing outstanding aio requests";
2371	for (;;) {	3688	while (IO::AIO::nreqs || BDB::nreqs) {
2372	IO::AIO::flush;	3689	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2373	Coro::cede;
2374	last unless IO::AIO::nreqs;
2375	warn "iterate...";
2376	}
2377
2378	warn "cancelling all extension coros";
2379	$_->cancel for values %EXT_CORO;
2380	%EXT_CORO = ();
2381
2382	warn "removing commands";
2383	%COMMAND = ();
2384
2385	warn "removing ext commands";
2386	%EXTCMD = ();
2387
2388	warn "unloading/nuking all extensions";
2389	for my $pkg (@EXTS) {
2390	warn "... unloading $pkg";
2391
2392	if (my $cb = $pkg->can ("unload")) {
2393	eval {
2394	$cb->($pkg);
2395	1
2396	} or warn "$pkg unloaded, but with errors: $@";
2397	}	3690	}
2398		3691
2399	warn "... nuking $pkg";	3692	warn "cancelling all extension coros";
2400	Symbol::delete_package $pkg;	3693	$_->cancel for values %EXT_CORO;
2401	}	3694	%EXT_CORO = ();
2402		3695
2403	warn "unloading all perl modules loaded from $LIBDIR";	3696	warn "removing commands";
2404	while (my ($k, $v) = each %INC) {	3697	%COMMAND = ();
2405	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2406		3698
		3699	warn "removing ext/exti commands";
		3700	%EXTCMD = ();
		3701	%EXTICMD = ();
		3702
		3703	warn "unloading/nuking all extensions";
		3704	for my $pkg (@EXTS) {
2407	warn "... unloading $k";	3705	warn "... unloading $pkg";
2408	delete $INC{$k};
2409		3706
2410	$k =~ s/\.pm$//;
2411	$k =~ s/\//::/g;
2412
2413	if (my $cb = $k->can ("unload_module")) {	3707	if (my $cb = $pkg->can ("unload")) {
		3708	eval {
2414	$cb->();	3709	$cb->($pkg);
		3710	1
		3711	} or warn "$pkg unloaded, but with errors: $@";
		3712	}
		3713
		3714	warn "... clearing $pkg";
		3715	clear_package $pkg;
2415	}	3716	}
2416		3717
2417	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 $k;
2418	}	3733	}
2419		3734
2420	warn "getting rid of safe::, as good as possible";	3735	warn "getting rid of safe::, as good as possible";
2421	Symbol::delete_package "safe::$_"	3736	clear_package "safe::$_"
2422	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);
2423		3738
2424	warn "unloading cf.pm \"a bit\"";	3739	warn "unloading cf.pm \"a bit\"";
2425	delete $INC{"cf.pm"};	3740	delete $INC{"cf.pm"};
		3741	delete $INC{"cf/pod.pm"};
2426		3742
2427	# don't, removes xs symbols, too,	3743	# don't, removes xs symbols, too,
2428	# and global variables created in xs	3744	# and global variables created in xs
2429	#Symbol::delete_package __PACKAGE__;	3745	#clear_package __PACKAGE__;
2430		3746
2431	warn "unload completed, starting to reload now";	3747	warn "unload completed, starting to reload now";
2432		3748
2433	warn "reloading cf.pm";	3749	warn "reloading cf.pm";
2434	require cf;	3750	require cf;
2435	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3751	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2436		3752
2437	warn "loading config and database again";	3753	warn "loading config and database again";
2438	cf::cfg_load;	3754	cf::reload_config;
2439	cf::db_load;
2440		3755
2441	warn "loading extensions";	3756	warn "loading extensions";
2442	cf::load_extensions;	3757	cf::load_extensions;
2443		3758
		3759	if ($REATTACH_ON_RELOAD) {
2444	warn "reattaching attachments to objects/players";	3760	warn "reattaching attachments to objects/players";
2445	_global_reattach;	3761	_global_reattach; # objects, sockets
2446	warn "reattaching attachments to maps";	3762	warn "reattaching attachments to maps";
2447	reattach $_ for values %MAP;	3763	reattach $_ for values %MAP;
		3764	warn "reattaching attachments to players";
		3765	reattach $_ for values %PLAYER;
		3766	}
2448		3767
2449	warn "restarting server ticker";	3768	warn "running post_init jobs";
		3769	(pop @POST_INIT)->(1) while @POST_INIT;
2450		3770
2451	$TICK_WATCHER->start;	3771	warn "leaving sync_job";
		3772
		3773	1
		3774	} or do {
		3775	warn $@;
		3776	cf::cleanup "error while reloading, exiting.";
		3777	};
		3778
		3779	warn "reloaded";
		3780	--$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 $RELOAD_WATCHER;
		3799	};
2452	};	3800	};
2453		3801	}
2454	if ($@) {
2455	warn $@;
2456	warn "error while reloading, exiting.";
2457	exit 1;
2458	}
2459
2460	warn "reloaded";
2461	};
2462
2463	our $RELOAD_WATCHER; # used only during reload
2464		3802
2465	register_command "reload" => sub {	3803	register_command "reload" => sub {
2466	my ($who, $arg) = @_;	3804	my ($who, $arg) = @_;
2467		3805
2468	if ($who->flag (FLAG_WIZ)) {	3806	if ($who->flag (FLAG_WIZ)) {
2469	$who->message ("reloading server.");	3807	$who->message ("reloading server.");
2470		3808	async {
2471	# doing reload synchronously and two reloads happen back-to-back,	3809	$Coro::current->{desc} = "perl_reload";
2472	# coro crashes during coro_state_free->destroy here.
2473
2474	$RELOAD_WATCHER ||= Event->timer (
2475	reentrant => 0,
2476	after => 0,
2477	data => WF_AUTOCANCEL,
2478	cb => sub {
2479	reload;	3810	reload_perl;
2480	undef $RELOAD_WATCHER;
2481	},
2482	);	3811	};
2483	}	3812	}
2484	};	3813	};
2485		3814
2486	unshift @INC, $LIBDIR;	3815	unshift @INC, $LIBDIR;
2487		3816
2488	my $bug_warning = 0;	3817	my $bug_warning = 0;
2489		3818
2490	$TICK_WATCHER = Event->timer (	3819	our @WAIT_FOR_TICK;
2491	reentrant => 0,	3820	our @WAIT_FOR_TICK_BEGIN;
2492	parked => 1,	3821
2493	prio => 0,	3822	sub wait_for_tick {
2494	at => $NEXT_TICK || $TICK,	3823	return if tick_inhibit || $Coro::current == $Coro::main;
2495	data => WF_AUTOCANCEL,	3824
2496	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	$signal->wait;
		3836	}
		3837
		3838	sub tick {
2497	if ($Coro::current != $Coro::main) {	3839	if ($Coro::current != $Coro::main) {
2498	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3840	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2499	unless ++$bug_warning > 10;	3841	unless ++$bug_warning > 10;
2500	return;	3842	return;
2501	}	3843	}
2502		3844
2503	$NOW = Event::time;
2504
2505	cf::server_tick; # one server iteration	3845	cf::server_tick; # one server iteration
2506	$RUNTIME += $TICK;
2507	$NEXT_TICK += $TICK;
2508		3846
2509	$WAIT_FOR_TICK->broadcast;	3847	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2510	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3848	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2511		3849	Coro::async_pool {
2512	Event::sweep;	3850	$Coro::current->{desc} = "runtime saver";
2513	Coro::cede_notself;
2514
2515	# my $AFTER = Event::time;
2516	# warn $AFTER - $NOW;#d#
2517
2518	# if we are delayed by four ticks or more, skip them all
2519	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2520
2521	$TICK_WATCHER->at ($NEXT_TICK);
2522	$TICK_WATCHER->start;
2523	},
2524	);
2525
2526	IO::AIO::max_poll_time $TICK * 0.1;
2527
2528	undef $Coro::AIO::WATCHER;
2529	$AIO_POLL_WATCHER = Event->io (
2530	reentrant => 0,
2531	fd => IO::AIO::poll_fileno,
2532	poll => 'r',
2533	prio => 6,
2534	data => WF_AUTOCANCEL,
2535	cb => \&IO::AIO::poll_cb,
2536	);
2537
2538	$WRITE_RUNTIME_WATCHER = Event->timer (
2539	reentrant => 0,
2540	data => WF_AUTOCANCEL,
2541	after => 1,
2542	interval => 10,
2543	prio => 6, # keep it lowest so it acts like a watchdog
2544	cb => Coro::unblock_sub {
2545	write_runtime	3851	write_runtime_sync
2546	or warn "ERROR: unable to write runtime file: $!";	3852	or warn "ERROR: unable to write runtime file: $!";
		3853	};
2547	},	3854	}
2548	);	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	}
		3874
		3875	{
		3876	# configure BDB
		3877
		3878	BDB::min_parallel 8;
		3879	BDB::max_poll_reqs $TICK * 0.1;
		3880	$AnyEvent::BDB::WATCHER->priority (1);
		3881
		3882	unless ($DB_ENV) {
		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);
		3889
		3890	cf::sync_job {
		3891	eval {
		3892	BDB::db_env_open
		3893	$DB_ENV,
		3894	$BDBDIR,
		3895	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3896	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3897	0666;
		3898
		3899	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3900	};
		3901
		3902	cf::cleanup "db_env_open(db): $@" if $@;
		3903	};
		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	};
		3915	}
		3916
		3917	{
		3918	# configure IO::AIO
		3919
		3920	IO::AIO::min_parallel 8;
		3921	IO::AIO::max_poll_time $TICK * 0.1;
		3922	undef $AnyEvent::AIO::WATCHER;
		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;
2549		3969
2550	END { cf::emergency_save }	3970	END { cf::emergency_save }
2551		3971
2552	1	3972	1
2553		3973

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