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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.205 by root, Mon Feb 5 18:29:20 2007 UTC vs.
Revision 1.456 by root, Tue Sep 30 04:00:35 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;
53	our $USE_FSYNC = 1; # use fsync to write maps - default off	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;
54		114
55	our %CFG;	115	our %CFG;
56		116
57	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
58	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
59		120
60	our %PLAYER; # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
61	our %MAP; # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
62	our $LINK_MAP; # the special {link} map, which is always available	123	our $LINK_MAP; # the special {link} map, which is always available
63	our $RANDOM_MAPS = cf::localdir . "/random";
64
65	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
66	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
67		124
68	# 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 ∕
69	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
70		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 $TICK_START; # for load detecting purposes
		132
		133	our @POST_INIT;
		134
71	binmode STDOUT;	135	binmode STDOUT;
72	binmode STDERR;	136	binmode STDERR;
73		137
74	# read virtual server time, if available	138	# read virtual server time, if available
75	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	139	unless ($RUNTIME || !-e $RUNTIMEFILE) {
76	open my $fh, "<", cf::localdir . "/runtime"	140	open my $fh, "<", $RUNTIMEFILE
77	or die "unable to read runtime file: $!";	141	or die "unable to read $RUNTIMEFILE file: $!";
78	$RUNTIME = <$fh> + 0.;	142	$RUNTIME = <$fh> + 0.;
79	}	143	}
80		144
81	mkdir cf::localdir;	145	mkdir $_
82	mkdir cf::localdir . "/" . cf::playerdir;	146	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
83	mkdir cf::localdir . "/" . cf::tmpdir;
84	mkdir cf::localdir . "/" . cf::uniquedir;
85	mkdir $RANDOM_MAPS;
86		147
87	our $EMERGENCY_POSITION;	148	our $EMERGENCY_POSITION;
88		149
89	sub cf::map::normalise;	150	sub cf::map::normalise;
90		151
…		…
101	=item $cf::RUNTIME	162	=item $cf::RUNTIME
102		163
103	The time this server has run, starts at 0 and is increased by $cf::TICK on	164	The time this server has run, starts at 0 and is increased by $cf::TICK on
104	every server tick.	165	every server tick.
105		166
106	=item $cf::LIBDIR	167	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		168	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		169	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
107		170
108	The perl library directory, where extensions and cf-specific modules can	171	Various directories - "/etc", read-only install directory, perl-library
109	be found. It will be added to C<@INC> automatically.	172	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		173	unique-items directory, player file directory, random maps directory and
		174	database environment.
110		175
111	=item $cf::NOW	176	=item $cf::NOW
112		177
113	The time of the last (current) server tick.	178	The time of the last (current) server tick.
114		179
115	=item $cf::TICK	180	=item $cf::TICK
116		181
117	The interval between server ticks, in seconds.	182	The interval between server ticks, in seconds.
118		183
		184	=item $cf::LOADAVG
		185
		186	The current CPU load on the server (alpha-smoothed), as a value between 0
		187	(none) and 1 (overloaded), indicating how much time is spent on processing
		188	objects per tick. Healthy values are < 0.5.
		189
		190	=item $cf::LOAD
		191
		192	The raw value load value from the last tick.
		193
119	=item %cf::CFG	194	=item %cf::CFG
120		195
121	Configuration for the server, loaded from C</etc/crossfire/config>, or	196	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
122	from wherever your confdir points to.	197	from wherever your confdir points to.
123		198
124	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	199	=item cf::wait_for_tick, cf::wait_for_tick_begin
125		200
126	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	201	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
127	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	202	returns directly I<after> the tick processing (and consequently, can only wake one process
128	processing has been done. Call C<< ->wait >> on them to maximise the	203	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
129	window of cpu time available, or simply to synchronise to the server tick.	204
		205	=item @cf::INVOKE_RESULTS
		206
		207	This array contains the results of the last C<invoke ()> call. When
		208	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		209	that call.
130		210
131	=back	211	=back
132		212
133	=cut	213	=cut
134		214
135	BEGIN {	215	BEGIN {
136	*CORE::GLOBAL::warn = sub {	216	*CORE::GLOBAL::warn = sub {
137	my $msg = join "", @_;	217	my $msg = join "", @_;
138	utf8::encode $msg;
139		218
140	$msg .= "\n"	219	$msg .= "\n"
141	unless $msg =~ /\n$/;	220	unless $msg =~ /\n$/;
142		221
		222	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		223
143	LOG llevError, $msg;	224	LOG llevError, $msg;
144	};	225	};
145	}	226	}
		227
		228	$Coro::State::DIEHOOK = sub {
		229	return unless $^S eq 0; # "eq", not "=="
		230
		231	if ($Coro::current == $Coro::main) {#d#
		232	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		233	return;#d#
		234	}#d#
		235
		236	# kill coroutine otherwise
		237	warn Carp::longmess $_[0];
		238	Coro::terminate
		239	};
		240
		241	$SIG{__DIE__} = sub { }; #d#?
146		242
147	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	243	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
148	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	244	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
149	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	245	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
150	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	246	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
151	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	247	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		248	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
152	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	249	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
153		250
154	# we bless all objects into (empty) derived classes to force a method lookup	251	# we bless all objects into (empty) derived classes to force a method lookup
155	# within the Safe compartment.	252	# within the Safe compartment.
156	for my $pkg (qw(	253	for my $pkg (qw(
157	cf::global cf::attachable	254	cf::global cf::attachable
158	cf::object cf::object::player	255	cf::object cf::object::player
159	cf::client cf::player	256	cf::client cf::player
160	cf::arch cf::living	257	cf::arch cf::living
		258	cf::map cf::mapspace
161	cf::map cf::party cf::region	259	cf::party cf::region
162	)) {	260	)) {
163	no strict 'refs';
164	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	261	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
165	}	262	}
166		263
167	$Event::DIED = sub {	264	$EV::DIED = sub {
168	warn "error in event callback: @_";	265	warn "error in event callback: @_";
169	};	266	};
		267
		268	#############################################################################
170		269
171	=head2 UTILITY FUNCTIONS	270	=head2 UTILITY FUNCTIONS
172		271
173	=over 4	272	=over 4
174		273
…		…
193	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	292	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
194	$d	293	$d
195	} || "[unable to dump $_[0]: '$@']";	294	} || "[unable to dump $_[0]: '$@']";
196	}	295	}
197		296
198	use JSON::Syck (); # TODO# replace by JSON::PC once working
199
200	=item $ref = cf::from_json $json	297	=item $ref = cf::decode_json $json
201		298
202	Converts a JSON string into the corresponding perl data structure.	299	Converts a JSON string into the corresponding perl data structure.
203		300
204	=cut
205
206	sub from_json($) {
207	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
208	JSON::Syck::Load $_[0]
209	}
210
211	=item $json = cf::to_json $ref	301	=item $json = cf::encode_json $ref
212		302
213	Converts a perl data structure into its JSON representation.	303	Converts a perl data structure into its JSON representation.
214		304
215	=cut	305	=cut
216		306
217	sub to_json($) {	307	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
218	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	308
219	JSON::Syck::Dump $_[0]	309	sub encode_json($) { $json_coder->encode ($_[0]) }
		310	sub decode_json($) { $json_coder->decode ($_[0]) }
		311
		312	=item cf::post_init { BLOCK }
		313
		314	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		315	but I<before> the server starts ticking again.
		316
		317	The cdoeblock will have a single boolean argument to indicate whether this
		318	is a reload or not.
		319
		320	=cut
		321
		322	sub post_init(&) {
		323	push @POST_INIT, shift;
220	}	324	}
221		325
222	=item cf::lock_wait $string	326	=item cf::lock_wait $string
223		327
224	Wait until the given lock is available. See cf::lock_acquire.	328	Wait until the given lock is available. See cf::lock_acquire.
…		…
228	Wait until the given lock is available and then acquires it and returns	332	Wait until the given lock is available and then acquires it and returns
229	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	333	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
230	for example when the coroutine gets canceled), the lock is automatically	334	for example when the coroutine gets canceled), the lock is automatically
231	returned.	335	returned.
232		336
		337	Locks are *not* recursive, locking from the same coro twice results in a
		338	deadlocked coro.
		339
233	Lock names should begin with a unique identifier (for example, cf::map::find	340	Lock names should begin with a unique identifier (for example, cf::map::find
234	uses map_find and cf::map::load uses map_load).	341	uses map_find and cf::map::load uses map_load).
235		342
		343	=item $locked = cf::lock_active $string
		344
		345	Return true if the lock is currently active, i.e. somebody has locked it.
		346
236	=cut	347	=cut
237		348
238	our %LOCK;	349	our %LOCK;
		350	our %LOCKER;#d#
239		351
240	sub lock_wait($) {	352	sub lock_wait($) {
241	my ($key) = @_;	353	my ($key) = @_;
242		354
		355	if ($LOCKER{$key} == $Coro::current) {#d#
		356	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		357	return;#d#
		358	}#d#
		359
243	# wait for lock, if any	360	# wait for lock, if any
244	while ($LOCK{$key}) {	361	while ($LOCK{$key}) {
		362	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
245	push @{ $LOCK{$key} }, $Coro::current;	363	push @{ $LOCK{$key} }, $Coro::current;
246	Coro::schedule;	364	Coro::schedule;
247	}	365	}
248	}	366	}
249		367
…		…
252		370
253	# wait, to be sure we are not locked	371	# wait, to be sure we are not locked
254	lock_wait $key;	372	lock_wait $key;
255		373
256	$LOCK{$key} = [];	374	$LOCK{$key} = [];
		375	$LOCKER{$key} = $Coro::current;#d#
257		376
258	Coro::guard {	377	Coro::guard {
		378	delete $LOCKER{$key};#d#
259	# wake up all waiters, to be on the safe side	379	# wake up all waiters, to be on the safe side
260	$_->ready for @{ delete $LOCK{$key} };	380	$_->ready for @{ delete $LOCK{$key} };
261	}	381	}
262	}	382	}
263		383
		384	sub lock_active($) {
		385	my ($key) = @_;
		386
		387	! ! $LOCK{$key}
		388	}
		389
264	sub freeze_mainloop {	390	sub freeze_mainloop {
265	return unless $TICK_WATCHER->is_active;	391	tick_inhibit_inc;
266		392
267	my $guard = Coro::guard {	393	Coro::guard \&tick_inhibit_dec;
268	$TICK_WATCHER->start;	394	}
269	$WRITE_RUNTIME_WATCHER->start;	395
		396	=item cf::periodic $interval, $cb
		397
		398	Like EV::periodic, but randomly selects a starting point so that the actions
		399	get spread over timer.
		400
		401	=cut
		402
		403	sub periodic($$) {
		404	my ($interval, $cb) = @_;
		405
		406	my $start = rand List::Util::min 180, $interval;
		407
		408	EV::periodic $start, $interval, 0, $cb
		409	}
		410
		411	=item cf::get_slot $time[, $priority[, $name]]
		412
		413	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		414	This call blocks and returns only when you have at least C<$time> seconds
		415	of cpu time till the next tick. The slot is only valid till the next cede.
		416
		417	The optional C<$name> can be used to identify the job to run. It might be
		418	used for statistical purposes and should identify the same time-class.
		419
		420	Useful for short background jobs.
		421
		422	=cut
		423
		424	our @SLOT_QUEUE;
		425	our $SLOT_QUEUE;
		426
		427	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		428	$SLOT_QUEUE = Coro::async {
		429	$Coro::current->desc ("timeslot manager");
		430
		431	my $signal = new Coro::Signal;
		432
		433	while () {
		434	next_job:
		435	my $avail = cf::till_tick;
		436	if ($avail > 0.01) {
		437	for (0 .. $#SLOT_QUEUE) {
		438	if ($SLOT_QUEUE[$_][0] < $avail) {
		439	my $job = splice @SLOT_QUEUE, $_, 1, ();
		440	$job->[2]->send;
		441	Coro::cede;
		442	goto next_job;
		443	}
		444	}
		445	}
		446
		447	if (@SLOT_QUEUE) {
		448	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		449	push @cf::WAIT_FOR_TICK, $signal;
		450	$signal->wait;
		451	} else {
		452	Coro::schedule;
		453	}
270	};	454	}
271	$WRITE_RUNTIME_WATCHER->stop;	455	};
272	$TICK_WATCHER->stop;	456
273	$guard	457	sub get_slot($;$$) {
		458	return if tick_inhibit || $Coro::current == $Coro::main;
		459
		460	my ($time, $pri, $name) = @_;
		461
		462	$time = $TICK * .6 if $time > $TICK * .6;
		463	my $sig = new Coro::Signal;
		464
		465	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		466	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		467	$SLOT_QUEUE->ready;
		468	$sig->wait;
274	}	469	}
275		470
276	=item cf::async { BLOCK }	471	=item cf::async { BLOCK }
277		472
278	Currently the same as Coro::async_pool, meaning you cannot use	473	Currently the same as Coro::async_pool, meaning you cannot use
…		…
283		478
284	BEGIN { *async = \&Coro::async_pool }	479	BEGIN { *async = \&Coro::async_pool }
285		480
286	=item cf::sync_job { BLOCK }	481	=item cf::sync_job { BLOCK }
287		482
288	The design of crossfire+ requires that the main coro ($Coro::main) is	483	The design of Deliantra requires that the main coroutine ($Coro::main)
289	always able to handle events or runnable, as crossfire+ is only partly	484	is always able to handle events or runnable, as Deliantra is only
290	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	485	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		486	acceptable.
291		487
292	If it must be done, put the blocking parts into C<sync_job>. This will run	488	If it must be done, put the blocking parts into C<sync_job>. This will run
293	the given BLOCK in another coroutine while waiting for the result. The	489	the given BLOCK in another coroutine while waiting for the result. The
294	server will be frozen during this time, so the block should either finish	490	server will be frozen during this time, so the block should either finish
295	fast or be very important.	491	fast or be very important.
…		…
298		494
299	sub sync_job(&) {	495	sub sync_job(&) {
300	my ($job) = @_;	496	my ($job) = @_;
301		497
302	if ($Coro::current == $Coro::main) {	498	if ($Coro::current == $Coro::main) {
		499	my $time = EV::time;
		500
303	# this is the main coro, too bad, we have to block	501	# this is the main coro, too bad, we have to block
304	# till the operation succeeds, freezing the server :/	502	# till the operation succeeds, freezing the server :/
305		503
306	# TODO: use suspend/resume instead	504	LOG llevError, Carp::longmess "sync job";#d#
307	# (but this is cancel-safe)	505
308	my $freeze_guard = freeze_mainloop;	506	my $freeze_guard = freeze_mainloop;
309		507
310	my $busy = 1;	508	my $busy = 1;
311	my @res;	509	my @res;
312		510
313	(async {	511	(async {
		512	$Coro::current->desc ("sync job coro");
314	@res = eval { $job->() };	513	@res = eval { $job->() };
315	warn $@ if $@;	514	warn $@ if $@;
316	undef $busy;	515	undef $busy;
317	})->prio (Coro::PRIO_MAX);	516	})->prio (Coro::PRIO_MAX);
318		517
319	while ($busy) {	518	while ($busy) {
320	Coro::cede or Event::one_event;	519	if (Coro::nready) {
		520	Coro::cede_notself;
		521	} else {
		522	EV::loop EV::LOOP_ONESHOT;
321	}	523	}
		524	}
		525
		526	my $time = EV::time - $time;
		527
		528	$TICK_START += $time; # do not account sync jobs to server load
322		529
323	wantarray ? @res : $res[0]	530	wantarray ? @res : $res[0]
324	} else {	531	} else {
325	# we are in another coroutine, how wonderful, everything just works	532	# we are in another coroutine, how wonderful, everything just works
326		533
…		…
346	$EXT_CORO{$coro+0} = $coro;	553	$EXT_CORO{$coro+0} = $coro;
347		554
348	$coro	555	$coro
349	}	556	}
350		557
351	sub write_runtime {	558	=item fork_call { }, $args
352	my $runtime = cf::localdir . "/runtime";
353		559
354	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	560	Executes the given code block with the given arguments in a seperate
355	or return;	561	process, returning the results. Everything must be serialisable with
		562	Coro::Storable. May, of course, block. Note that the executed sub may
		563	never block itself or use any form of event handling.
356		564
357	my $value = $cf::RUNTIME + 90 + 10;	565	=cut
358	# 10 is the runtime save interval, for a monotonic clock
359	# 60 allows for the watchdog to kill the server.
360		566
361	(aio_write $fh, 0, (length $value), $value, 0) <= 0	567	sub fork_call(&@) {
362	and return;	568	my ($cb, @args) = @_;
363		569
364	# always fsync - this file is important	570	# we seemingly have to make a local copy of the whole thing,
365	aio_fsync $fh	571	# otherwise perl prematurely frees the stuff :/
366	and return;	572	# TODO: investigate and fix (likely this will be rather laborious)
367		573
368	close $fh	574	my @res = Coro::Util::fork_eval {
369	or return;	575	reset_signals;
		576	&$cb
		577	}, @args;
370		578
371	aio_rename "$runtime~", $runtime	579	wantarray ? @res : $res[-1]
372	and return;	580	}
373		581
		582	=item $coin = coin_from_name $name
		583
		584	=cut
		585
		586	our %coin_alias = (
		587	"silver" => "silvercoin",
		588	"silvercoin" => "silvercoin",
		589	"silvercoins" => "silvercoin",
		590	"gold" => "goldcoin",
		591	"goldcoin" => "goldcoin",
		592	"goldcoins" => "goldcoin",
		593	"platinum" => "platinacoin",
		594	"platinumcoin" => "platinacoin",
		595	"platinumcoins" => "platinacoin",
		596	"platina" => "platinacoin",
		597	"platinacoin" => "platinacoin",
		598	"platinacoins" => "platinacoin",
		599	"royalty" => "royalty",
		600	"royalties" => "royalty",
		601	);
		602
		603	sub coin_from_name($) {
		604	$coin_alias{$_[0]}
		605	? cf::arch::find $coin_alias{$_[0]}
		606	: undef
		607	}
		608
		609	=item $value = cf::db_get $family => $key
		610
		611	Returns a single value from the environment database.
		612
		613	=item cf::db_put $family => $key => $value
		614
		615	Stores the given C<$value> in the family. It can currently store binary
		616	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		617
		618	=item $db = cf::db_table "name"
		619
		620	Create and/or open a new database table. The string must not be "db" and must be unique
		621	within each server.
		622
		623	=cut
		624
		625	sub db_table($) {
		626	my ($name) = @_;
		627	my $db = BDB::db_create $DB_ENV;
		628
		629	eval {
		630	$db->set_flags (BDB::CHKSUM);
		631
		632	utf8::encode $name;
		633	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		634	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		635	cf::cleanup "db_open(db): $!" if $!;
		636	};
		637	cf::cleanup "db_open(db): $@" if $@;
		638
		639	$db
		640	}
		641
		642	our $DB;
		643
		644	sub db_init {
		645	cf::sync_job {
		646	$DB ||= db_table "db";
		647	};
		648	}
		649
		650	sub db_get($$) {
		651	my $key = "$_[0]/$_[1]";
		652
		653	cf::sync_job {
		654	BDB::db_get $DB, undef, $key, my $data;
		655
		656	$! ? ()
		657	: $data
374	1	658	}
		659	}
		660
		661	sub db_put($$$) {
		662	BDB::dbreq_pri 4;
		663	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		664	}
		665
		666	=item cf::cache $id => [$paths...], $processversion => $process
		667
		668	Generic caching function that returns the value of the resource $id,
		669	caching and regenerating as required.
		670
		671	This function can block.
		672
		673	=cut
		674
		675	sub cache {
		676	my ($id, $src, $processversion, $process) = @_;
		677
		678	my $meta =
		679	join "\x00",
		680	$processversion,
		681	map {
		682	aio_stat $_
		683	and Carp::croak "$_: $!";
		684
		685	($_, (stat _)[7,9])
		686	} @$src;
		687
		688	my $dbmeta = db_get cache => "$id/meta";
		689	if ($dbmeta ne $meta) {
		690	# changed, we may need to process
		691
		692	my @data;
		693	my $md5;
		694
		695	for (0 .. $#$src) {
		696	0 <= aio_load $src->[$_], $data[$_]
		697	or Carp::croak "$src->[$_]: $!";
		698	}
		699
		700	# if processing is expensive, check
		701	# checksum first
		702	if (1) {
		703	$md5 =
		704	join "\x00",
		705	$processversion,
		706	map {
		707	cf::cede_to_tick;
		708	($src->[$_], Digest::MD5::md5_hex $data[$_])
		709	} 0.. $#$src;
		710
		711
		712	my $dbmd5 = db_get cache => "$id/md5";
		713	if ($dbmd5 eq $md5) {
		714	db_put cache => "$id/meta", $meta;
		715
		716	return db_get cache => "$id/data";
		717	}
		718	}
		719
		720	my $t1 = Time::HiRes::time;
		721	my $data = $process->(\@data);
		722	my $t2 = Time::HiRes::time;
		723
		724	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		725
		726	db_put cache => "$id/data", $data;
		727	db_put cache => "$id/md5" , $md5;
		728	db_put cache => "$id/meta", $meta;
		729
		730	return $data;
		731	}
		732
		733	db_get cache => "$id/data"
		734	}
		735
		736	=item cf::datalog type => key => value, ...
		737
		738	Log a datalog packet of the given type with the given key-value pairs.
		739
		740	=cut
		741
		742	sub datalog($@) {
		743	my ($type, %kv) = @_;
		744	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
375	}	745	}
376		746
377	=back	747	=back
378		748
379	=cut	749	=cut
380		750
381	#############################################################################	751	#############################################################################
382		752
383	=head2 ATTACHABLE OBJECTS	753	=head2 ATTACHABLE OBJECTS
384		754
385	Many objects in crossfire are so-called attachable objects. That means you can	755	Many objects in deliantra are so-called attachable objects. That means you can
386	attach callbacks/event handlers (a collection of which is called an "attachment")	756	attach callbacks/event handlers (a collection of which is called an "attachment")
387	to it. All such attachable objects support the following methods.	757	to it. All such attachable objects support the following methods.
388		758
389	In the following description, CLASS can be any of C<global>, C<object>	759	In the following description, CLASS can be any of C<global>, C<object>
390	C<player>, C<client> or C<map> (i.e. the attachable objects in	760	C<player>, C<client> or C<map> (i.e. the attachable objects in
391	crossfire+).	761	Deliantra).
392		762
393	=over 4	763	=over 4
394		764
395	=item $attachable->attach ($attachment, key => $value...)	765	=item $attachable->attach ($attachment, key => $value...)
396		766
…		…
440	=item cf::CLASS::attachment $name, ...	810	=item cf::CLASS::attachment $name, ...
441		811
442	Register an attachment by C<$name> through which attachable objects of the	812	Register an attachment by C<$name> through which attachable objects of the
443	given CLASS can refer to this attachment.	813	given CLASS can refer to this attachment.
444		814
445	Some classes such as crossfire maps and objects can specify attachments	815	Some classes such as deliantra maps and objects can specify attachments
446	that are attached at load/instantiate time, thus the need for a name.	816	that are attached at load/instantiate time, thus the need for a name.
447		817
448	These calls expect any number of the following handler/hook descriptions:	818	These calls expect any number of the following handler/hook descriptions:
449		819
450	=over 4	820	=over 4
…		…
559	$registry = $CB_TYPE[$object_type] ||= [];	929	$registry = $CB_TYPE[$object_type] ||= [];
560		930
561	} elsif ($type eq "subtype") {	931	} elsif ($type eq "subtype") {
562	defined $object_type or Carp::croak "subtype specified without type";	932	defined $object_type or Carp::croak "subtype specified without type";
563	my $object_subtype = shift @arg;	933	my $object_subtype = shift @arg;
564	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	934	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
565		935
566	} elsif ($type eq "package") {	936	} elsif ($type eq "package") {
567	my $pkg = shift @arg;	937	my $pkg = shift @arg;
568		938
569	while (my ($name, $id) = each %cb_id) {	939	while (my ($name, $id) = each %cb_id) {
…		…
598	_attach $registry, $klass, @attach;	968	_attach $registry, $klass, @attach;
599	}	969	}
600		970
601	$obj->{$name} = \%arg;	971	$obj->{$name} = \%arg;
602	} else {	972	} else {
603	warn "object uses attachment '$name' that is not available, postponing.\n";	973	warn "object uses attachment '$name' which is not available, postponing.\n";
604	}	974	}
605		975
606	$obj->{_attachment}{$name} = undef;	976	$obj->{_attachment}{$name} = undef;
607	}	977	}
608		978
…		…
610	if (ref $_[0]) {	980	if (ref $_[0]) {
611	_object_attach @_;	981	_object_attach @_;
612	} else {	982	} else {
613	_attach shift->_attach_registry, @_;	983	_attach shift->_attach_registry, @_;
614	}	984	}
		985	_recalc_want;
615	};	986	};
616		987
617	# all those should be optimised	988	# all those should be optimised
618	sub cf::attachable::detach {	989	sub cf::attachable::detach {
619	my ($obj, $name) = @_;	990	my ($obj, $name) = @_;
…		…
622	delete $obj->{_attachment}{$name};	993	delete $obj->{_attachment}{$name};
623	reattach ($obj);	994	reattach ($obj);
624	} else {	995	} else {
625	Carp::croak "cannot, currently, detach class attachments";	996	Carp::croak "cannot, currently, detach class attachments";
626	}	997	}
		998	_recalc_want;
627	};	999	};
628		1000
629	sub cf::attachable::attached {	1001	sub cf::attachable::attached {
630	my ($obj, $name) = @_;	1002	my ($obj, $name) = @_;
631		1003
…		…
646	";	1018	";
647	die if $@;	1019	die if $@;
648	}	1020	}
649		1021
650	our $override;	1022	our $override;
651	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1023	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
652		1024
653	sub override {	1025	sub override {
654	$override = 1;	1026	$override = 1;
655	@invoke_results = ();	1027	@INVOKE_RESULTS = (@_);
656	}	1028	}
657		1029
658	sub do_invoke {	1030	sub do_invoke {
659	my $event = shift;	1031	my $event = shift;
660	my $callbacks = shift;	1032	my $callbacks = shift;
661		1033
662	@invoke_results = ();	1034	@INVOKE_RESULTS = ();
663		1035
664	local $override;	1036	local $override;
665		1037
666	for (@$callbacks) {	1038	for (@$callbacks) {
667	eval { &{$_->[1]} };	1039	eval { &{$_->[1]} };
…		…
676	}	1048	}
677		1049
678	0	1050	0
679	}	1051	}
680		1052
681	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1053	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
682		1054
683	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
684		1056
685	Generate an object-specific event with the given arguments.	1057	Generate an object-specific event with the given arguments.
686		1058
687	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1059	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
688	removed in future versions), and there is no public API to access override	1060	removed in future versions), and there is no public API to access override
689	results (if you must, access C<@cf::invoke_results> directly).	1061	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
690		1062
691	=back	1063	=back
692		1064
693	=cut	1065	=cut
694		1066
695	#############################################################################	1067	#############################################################################
696	# object support	1068	# object support
		1069
		1070	sub _object_equal($$);
		1071	sub _object_equal($$) {
		1072	my ($a, $b) = @_;
		1073
		1074	return 0 unless (ref $a) eq (ref $b);
		1075
		1076	if ("HASH" eq ref $a) {
		1077	my @ka = keys %$a;
		1078	my @kb = keys %$b;
		1079
		1080	return 0 if @ka != @kb;
		1081
		1082	for (0 .. $#ka) {
		1083	return 0 unless $ka[$_] eq $kb[$_];
		1084	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1085	}
		1086
		1087	} elsif ("ARRAY" eq ref $a) {
		1088
		1089	return 0 if @$a != @$b;
		1090
		1091	for (0 .. $#$a) {
		1092	return 0 unless _object_equal $a->[$_], $b->[$_];
		1093	}
		1094
		1095	} elsif ($a ne $b) {
		1096	return 0;
		1097	}
		1098
		1099	1
		1100	}
		1101
		1102	our $SLOW_MERGES;#d#
		1103	sub _can_merge {
		1104	my ($ob1, $ob2) = @_;
		1105
		1106	++$SLOW_MERGES;#d#
		1107
		1108	# we do the slow way here
		1109	return _object_equal $ob1, $ob2
		1110	}
697		1111
698	sub reattach {	1112	sub reattach {
699	# basically do the same as instantiate, without calling instantiate	1113	# basically do the same as instantiate, without calling instantiate
700	my ($obj) = @_;	1114	my ($obj) = @_;
701		1115
		1116	# no longer needed after getting rid of delete_package?
702	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1117	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
703		1118
704	my $registry = $obj->registry;	1119	my $registry = $obj->registry;
705		1120
706	@$registry = ();	1121	@$registry = ();
707		1122
…		…
722	cf::attachable->attach (	1137	cf::attachable->attach (
723	prio => -1000000,	1138	prio => -1000000,
724	on_instantiate => sub {	1139	on_instantiate => sub {
725	my ($obj, $data) = @_;	1140	my ($obj, $data) = @_;
726		1141
727	$data = from_json $data;	1142	$data = decode_json $data;
728		1143
729	for (@$data) {	1144	for (@$data) {
730	my ($name, $args) = @$_;	1145	my ($name, $args) = @$_;
731		1146
732	$obj->attach ($name, %{$args || {} });	1147	$obj->attach ($name, %{$args || {} });
…		…
748	sub object_freezer_save {	1163	sub object_freezer_save {
749	my ($filename, $rdata, $objs) = @_;	1164	my ($filename, $rdata, $objs) = @_;
750		1165
751	sync_job {	1166	sync_job {
752	if (length $$rdata) {	1167	if (length $$rdata) {
		1168	utf8::decode (my $decname = $filename);
753	warn sprintf "saving %s (%d,%d)\n",	1169	warn sprintf "saving %s (%d,%d)\n",
754	$filename, length $$rdata, scalar @$objs;	1170	$decname, length $$rdata, scalar @$objs;
755		1171
756	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1172	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
757	chmod SAVE_MODE, $fh;	1173	aio_chmod $fh, SAVE_MODE;
758	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1174	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
759	aio_fsync $fh if $cf::USE_FSYNC;	1175	aio_fsync $fh if $cf::USE_FSYNC;
760	close $fh;	1176	aio_close $fh;
761		1177
762	if (@$objs) {	1178	if (@$objs) {
763	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1179	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
764	chmod SAVE_MODE, $fh;	1180	aio_chmod $fh, SAVE_MODE;
765	my $data = Storable::nfreeze { version => 1, objs => $objs };	1181	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
766	aio_write $fh, 0, (length $data), $data, 0;	1182	aio_write $fh, 0, (length $data), $data, 0;
767	aio_fsync $fh if $cf::USE_FSYNC;	1183	aio_fsync $fh if $cf::USE_FSYNC;
768	close $fh;	1184	aio_close $fh;
769	aio_rename "$filename.pst~", "$filename.pst";	1185	aio_rename "$filename.pst~", "$filename.pst";
770	}	1186	}
771	} else {	1187	} else {
772	aio_unlink "$filename.pst";	1188	aio_unlink "$filename.pst";
773	}	1189	}
774		1190
775	aio_rename "$filename~", $filename;	1191	aio_rename "$filename~", $filename;
		1192
		1193	$filename =~ s%/[^/]+$%%;
		1194	aio_pathsync $filename;
776	} else {	1195	} else {
777	warn "FATAL: $filename~: $!\n";	1196	warn "FATAL: $filename~: $!\n";
778	}	1197	}
779	} else {	1198	} else {
780	aio_unlink $filename;	1199	aio_unlink $filename;
781	aio_unlink "$filename.pst";	1200	aio_unlink "$filename.pst";
782	}	1201	}
783
784	#d##TODO# nuke non .map-files if exist
785	if ($filename =~ s/\.map$//) {
786	aio_unlink $filename;
787	aio_unlink "$filename.pst";
788	}
789	}	1202	};
790	}	1203	}
791		1204
792	sub object_freezer_as_string {	1205	sub object_freezer_as_string {
793	my ($rdata, $objs) = @_;	1206	my ($rdata, $objs) = @_;
794		1207
…		…
799		1212
800	sub object_thawer_load {	1213	sub object_thawer_load {
801	my ($filename) = @_;	1214	my ($filename) = @_;
802		1215
803	my ($data, $av);	1216	my ($data, $av);
804
805	#d#TODO remove .map if file does not exist
806	aio_stat $filename and $filename =~ s/\.map$//;
807		1217
808	(aio_load $filename, $data) >= 0	1218	(aio_load $filename, $data) >= 0
809	or return;	1219	or return;
810		1220
811	unless (aio_stat "$filename.pst") {	1221	unless (aio_stat "$filename.pst") {
812	(aio_load "$filename.pst", $av) >= 0	1222	(aio_load "$filename.pst", $av) >= 0
813	or return;	1223	or return;
		1224
814	$av = eval { (Storable::thaw $av)->{objs} };	1225	my $st = eval { Coro::Storable::thaw $av };
		1226	$av = $st->{objs};
815	}	1227	}
816		1228
		1229	utf8::decode (my $decname = $filename);
817	warn sprintf "loading %s (%d)\n",	1230	warn sprintf "loading %s (%d,%d)\n",
818	$filename, length $data, scalar @{$av || []};#d#	1231	$decname, length $data, scalar @{$av || []};
		1232
819	return ($data, $av);	1233	($data, $av)
820	}	1234	}
		1235
		1236	=head2 COMMAND CALLBACKS
		1237
		1238	=over 4
		1239
		1240	=cut
821		1241
822	#############################################################################	1242	#############################################################################
823	# command handling &c	1243	# command handling &c
824		1244
825	=item cf::register_command $name => \&callback($ob,$args);	1245	=item cf::register_command $name => \&callback($ob,$args);
…		…
838	push @{ $COMMAND{$name} }, [$caller, $cb];	1258	push @{ $COMMAND{$name} }, [$caller, $cb];
839	}	1259	}
840		1260
841	=item cf::register_extcmd $name => \&callback($pl,$packet);	1261	=item cf::register_extcmd $name => \&callback($pl,$packet);
842		1262
843	Register a callbackf ro execution when the client sends an extcmd packet.	1263	Register a callback for execution when the client sends an (synchronous)
		1264	extcmd packet. Ext commands will be processed in the order they are
		1265	received by the server, like other user commands. The first argument is
		1266	the logged-in player. Ext commands can only be processed after a player
		1267	has logged in successfully.
844		1268
845	If the callback returns something, it is sent back as if reply was being	1269	If the callback returns something, it is sent back as if reply was being
846	called.	1270	called.
847		1271
		1272	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1273
		1274	Register a callback for execution when the client sends an (asynchronous)
		1275	exticmd packet. Exti commands are processed by the server as soon as they
		1276	are received, i.e. out of order w.r.t. other commands. The first argument
		1277	is a client socket. Exti commands can be received anytime, even before
		1278	log-in.
		1279
		1280	If the callback returns something, it is sent back as if reply was being
		1281	called.
		1282
848	=cut	1283	=cut
849		1284
850	sub register_extcmd {	1285	sub register_extcmd {
851	my ($name, $cb) = @_;	1286	my ($name, $cb) = @_;
852		1287
853	$EXTCMD{$name} = $cb;	1288	$EXTCMD{$name} = $cb;
		1289	}
		1290
		1291	sub register_exticmd {
		1292	my ($name, $cb) = @_;
		1293
		1294	$EXTICMD{$name} = $cb;
854	}	1295	}
855		1296
856	cf::player->attach (	1297	cf::player->attach (
857	on_command => sub {	1298	on_command => sub {
858	my ($pl, $name, $params) = @_;	1299	my ($pl, $name, $params) = @_;
…		…
867	cf::override;	1308	cf::override;
868	},	1309	},
869	on_extcmd => sub {	1310	on_extcmd => sub {
870	my ($pl, $buf) = @_;	1311	my ($pl, $buf) = @_;
871		1312
872	my $msg = eval { from_json $buf };	1313	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873		1314
874	if (ref $msg) {	1315	if (ref $msg) {
		1316	my ($type, $reply, @payload) =
		1317	"ARRAY" eq ref $msg
		1318	? @$msg
		1319	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1320
		1321	my @reply;
		1322
875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1323	if (my $cb = $EXTCMD{$type}) {
876	if (my %reply = $cb->($pl, $msg)) {	1324	@reply = $cb->($pl, @payload);
877	$pl->ext_reply ($msg->{msgid}, %reply);
878	}
879	}	1325	}
		1326
		1327	$pl->ext_reply ($reply, @reply)
		1328	if $reply;
		1329
880	} else {	1330	} else {
881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1331	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
882	}	1332	}
883		1333
884	cf::override;	1334	cf::override;
885	},	1335	},
886	);	1336	);
887		1337
888	sub load_extension {
889	my ($path) = @_;
890
891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
892	my $base = $1;
893	my $pkg = $1;
894	$pkg =~ s/[^[:word:]]/_/g;
895	$pkg = "ext::$pkg";
896
897	warn "... loading '$path' into '$pkg'\n";
898
899	open my $fh, "<:utf8", $path
900	or die "$path: $!";
901
902	my $source =
903	"package $pkg; use strict; use utf8;\n"
904	. "#line 1 \"$path\"\n{\n"
905	. (do { local $/; <$fh> })
906	. "\n};\n1";
907
908	unless (eval $source) {
909	my $msg = $@ ? "$path: $@\n"
910	: "extension disabled.\n";
911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
912	warn $@;
913	warn "mandatory extension failed to load, exiting.\n";
914	exit 1;
915	}
916	die $@;
917	}
918
919	push @EXTS, $pkg;
920	}
921
922	sub load_extensions {	1338	sub load_extensions {
		1339	cf::sync_job {
		1340	my %todo;
		1341
923	for my $ext (<$LIBDIR/*.ext>) {	1342	for my $path (<$LIBDIR/*.ext>) {
924	next unless -r $ext;	1343	next unless -r $path;
925	eval {	1344
926	load_extension $ext;	1345	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1346	my $base = $1;
		1347	my $pkg = $1;
		1348	$pkg =~ s/[^[:word:]]/_/g;
		1349	$pkg = "ext::$pkg";
		1350
		1351	open my $fh, "<:utf8", $path
		1352	or die "$path: $!";
		1353
		1354	my $source = do { local $/; <$fh> };
		1355
		1356	my %ext = (
		1357	path => $path,
		1358	base => $base,
		1359	pkg => $pkg,
		1360	);
		1361
		1362	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1363	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1364
		1365	$ext{source} =
		1366	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1367	. "#line 1 \"$path\"\n{\n"
		1368	. $source
		1369	. "\n};\n1";
		1370
		1371	$todo{$base} = \%ext;
		1372	}
		1373
		1374	my %done;
		1375	while (%todo) {
		1376	my $progress;
		1377
		1378	while (my ($k, $v) = each %todo) {
		1379	for (split /,\s*/, $v->{meta}{depends}) {
		1380	goto skip
		1381	unless exists $done{$_};
		1382	}
		1383
		1384	warn "... loading '$k' into '$v->{pkg}'\n";
		1385
		1386	unless (eval $v->{source}) {
		1387	my $msg = $@ ? "$v->{path}: $@\n"
		1388	: "$v->{base}: extension inactive.\n";
		1389
		1390	if (exists $v->{meta}{mandatory}) {
		1391	warn $msg;
		1392	cf::cleanup "mandatory extension failed to load, exiting.";
		1393	}
		1394
		1395	warn $msg;
		1396	}
		1397
		1398	$done{$k} = delete $todo{$k};
		1399	push @EXTS, $v->{pkg};
		1400	$progress = 1;
927	1	1401	}
928	} or warn "$ext not loaded: $@";	1402
		1403	skip:
		1404	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1405	unless $progress;
		1406	}
929	}	1407	};
930	}	1408	}
931		1409
932	#############################################################################	1410	#############################################################################
933		1411
		1412	=back
		1413
934	=head2 CORE EXTENSIONS	1414	=head2 CORE EXTENSIONS
935		1415
936	Functions and methods that extend core crossfire objects.	1416	Functions and methods that extend core deliantra objects.
937		1417
938	=cut	1418	=cut
939		1419
940	package cf::player;	1420	package cf::player;
941		1421
…		…
943		1423
944	=head3 cf::player	1424	=head3 cf::player
945		1425
946	=over 4	1426	=over 4
947		1427
		1428	=item cf::player::num_playing
		1429
		1430	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1431
		1432	=cut
		1433
		1434	sub num_playing {
		1435	scalar grep
		1436	$_->ob->map
		1437	&& !$_->hidden
		1438	&& !$_->ob->flag (cf::FLAG_WIZ),
		1439	cf::player::list
		1440	}
		1441
948	=item cf::player::find $login	1442	=item cf::player::find $login
949		1443
950	Returns the given player object, loading it if necessary (might block).	1444	Returns the given player object, loading it if necessary (might block).
951		1445
952	=cut	1446	=cut
953		1447
954	sub playerdir($) {	1448	sub playerdir($) {
955	cf::localdir	1449	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1450	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1451	}
961		1452
962	sub path($) {	1453	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1454	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1455
965	(playerdir $login) . "/$login.pl"	1456	(playerdir $login) . "/playerdata"
966	}	1457	}
967		1458
968	sub find_active($) {	1459	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1460	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1461	and $cf::PLAYER{$_[0]}->active
…		…
973		1464
974	sub exists($) {	1465	sub exists($) {
975	my ($login) = @_;	1466	my ($login) = @_;
976		1467
977	$cf::PLAYER{$login}	1468	$cf::PLAYER{$login}
978	or cf::sync_job { !aio_stat path $login }	1469	or !aio_stat path $login
979	}	1470	}
980		1471
981	sub find($) {	1472	sub find($) {
982	return $cf::PLAYER{$_[0]} || do {	1473	return $cf::PLAYER{$_[0]} || do {
983	my $login = $_[0];	1474	my $login = $_[0];
984		1475
985	my $guard = cf::lock_acquire "user_find:$login";	1476	my $guard = cf::lock_acquire "user_find:$login";
986		1477
987	$cf::PLAYER{$_[0]} || do {	1478	$cf::PLAYER{$_[0]} || do {
988	my $pl = load_pl path $login	1479	# rename old playerfiles to new ones
		1480	#TODO: remove when no longer required
		1481	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1482	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1483	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1484	aio_unlink +(playerdir $login) . "/$login.pl";
		1485
		1486	my $f = new_from_file cf::object::thawer path $login
989	or return;	1487	or return;
		1488
		1489	my $pl = cf::player::load_pl $f
		1490	or return;
		1491
		1492	local $cf::PLAYER_LOADING{$login} = $pl;
		1493	$f->resolve_delayed_derefs;
990	$cf::PLAYER{$login} = $pl	1494	$cf::PLAYER{$login} = $pl
991	}	1495	}
992	}	1496	}
993	}	1497	}
994		1498
…		…
1003	return if $pl->{deny_save};	1507	return if $pl->{deny_save};
1004		1508
1005	aio_mkdir playerdir $pl, 0770;	1509	aio_mkdir playerdir $pl, 0770;
1006	$pl->{last_save} = $cf::RUNTIME;	1510	$pl->{last_save} = $cf::RUNTIME;
1007		1511
		1512	cf::get_slot 0.01;
		1513
1008	$pl->save_pl ($path);	1514	$pl->save_pl ($path);
1009	Coro::cede;	1515	cf::cede_to_tick;
1010	}	1516	}
1011		1517
1012	sub new($) {	1518	sub new($) {
1013	my ($login) = @_;	1519	my ($login) = @_;
1014		1520
…		…
1020	$cf::PLAYER{$login} = $self;	1526	$cf::PLAYER{$login} = $self;
1021		1527
1022	$self	1528	$self
1023	}	1529	}
1024		1530
		1531	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1532
		1533	=cut
		1534
		1535	sub send_msg {
		1536	my $ns = shift->ns
		1537	or return;
		1538	$ns->send_msg (@_);
		1539	}
		1540
1025	=item $pl->quit_character	1541	=item $pl->quit_character
1026		1542
1027	Nukes the player without looking back. If logged in, the connection will	1543	Nukes the player without looking back. If logged in, the connection will
1028	be destroyed. May block for a long time.	1544	be destroyed. May block for a long time.
1029		1545
1030	=cut	1546	=cut
1031		1547
1032	sub quit_character {	1548	sub quit_character {
1033	my ($pl) = @_;	1549	my ($pl) = @_;
1034		1550
		1551	my $name = $pl->ob->name;
		1552
1035	$pl->{deny_save} = 1;	1553	$pl->{deny_save} = 1;
1036	$pl->password ("*"); # this should lock out the player until we nuked the dir	1554	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1037		1555
1038	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1556	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1039	$pl->deactivate;	1557	$pl->deactivate;
		1558	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1559	$pl->ob->check_score;
1040	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1560	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1041	$pl->ns->destroy if $pl->ns;	1561	$pl->ns->destroy if $pl->ns;
1042		1562
1043	my $path = playerdir $pl;	1563	my $path = playerdir $pl;
1044	my $temp = "$path~$cf::RUNTIME~deleting~";	1564	my $temp = "$path~$cf::RUNTIME~deleting~";
1045	aio_rename $path, $temp;	1565	aio_rename $path, $temp;
1046	delete $cf::PLAYER{$pl->ob->name};	1566	delete $cf::PLAYER{$pl->ob->name};
1047	$pl->destroy;	1567	$pl->destroy;
		1568
		1569	my $prefix = qr<^~\Q$name\E/>;
		1570
		1571	# nuke player maps
		1572	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1573
1048	IO::AIO::aio_rmtree $temp;	1574	IO::AIO::aio_rmtree $temp;
		1575	}
		1576
		1577	=item $pl->kick
		1578
		1579	Kicks a player out of the game. This destroys the connection.
		1580
		1581	=cut
		1582
		1583	sub kick {
		1584	my ($pl, $kicker) = @_;
		1585
		1586	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1587	$pl->killer ("kicked");
		1588	$pl->ns->destroy;
1049	}	1589	}
1050		1590
1051	=item cf::player::list_logins	1591	=item cf::player::list_logins
1052		1592
1053	Returns am arrayref of all valid playernames in the system, can take a	1593	Returns am arrayref of all valid playernames in the system, can take a
1054	while and may block, so not sync_job-capable, ever.	1594	while and may block, so not sync_job-capable, ever.
1055		1595
1056	=cut	1596	=cut
1057		1597
1058	sub list_logins {	1598	sub list_logins {
1059	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1599	my $dirs = aio_readdir $PLAYERDIR
1060	or return [];	1600	or return [];
1061		1601
1062	my @logins;	1602	my @logins;
1063		1603
1064	for my $login (@$dirs) {	1604	for my $login (@$dirs) {
		1605	my $path = path $login;
		1606
		1607	# a .pst is a dead give-away for a valid player
		1608	# if no pst file found, open and chekc for blocked users
		1609	if (aio_stat "$path.pst") {
1065	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1610	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1066	aio_read $fh, 0, 512, my $buf, 0 or next;	1611	aio_read $fh, 0, 512, my $buf, 0 or next;
1067	$buf !~ /^password -------------$/m or next; # official not-valid tag	1612	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1613	}
1068		1614
1069	utf8::decode $login;	1615	utf8::decode $login;
1070	push @logins, $login;	1616	push @logins, $login;
1071	}	1617	}
1072		1618
…		…
1099	}	1645	}
1100		1646
1101	\@paths	1647	\@paths
1102	}	1648	}
1103		1649
		1650	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1651
		1652	Expand deliantra pod fragments into protocol xml.
		1653
1104	=item $player->ext_reply ($msgid, $msgtype, %msg)	1654	=item $player->ext_reply ($msgid, @msg)
1105		1655
1106	Sends an ext reply to the player.	1656	Sends an ext reply to the player.
1107		1657
1108	=cut	1658	=cut
1109		1659
1110	sub ext_reply($$$%) {	1660	sub ext_reply($$@) {
1111	my ($self, $id, %msg) = @_;	1661	my ($self, $id, @msg) = @_;
1112		1662
1113	$msg{msgid} = $id;	1663	$self->ns->ext_reply ($id, @msg)
1114
1115	$self->send ("ext " . cf::to_json \%msg);
1116	}	1664	}
1117		1665
1118	package cf;	1666	=item $player->ext_msg ($type, @msg)
		1667
		1668	Sends an ext event to the client.
		1669
		1670	=cut
		1671
		1672	sub ext_msg($$@) {
		1673	my ($self, $type, @msg) = @_;
		1674
		1675	$self->ns->ext_msg ($type, @msg);
		1676	}
		1677
		1678	=head3 cf::region
		1679
		1680	=over 4
		1681
		1682	=cut
		1683
		1684	package cf::region;
		1685
		1686	=item cf::region::find_by_path $path
		1687
		1688	Tries to decuce the likely region for a map knowing only its path.
		1689
		1690	=cut
		1691
		1692	sub find_by_path($) {
		1693	my ($path) = @_;
		1694
		1695	my ($match, $specificity);
		1696
		1697	for my $region (list) {
		1698	if ($region->{match} && $path =~ $region->{match}) {
		1699	($match, $specificity) = ($region, $region->specificity)
		1700	if $region->specificity > $specificity;
		1701	}
		1702	}
		1703
		1704	$match
		1705	}
1119		1706
1120	=back	1707	=back
1121
1122		1708
1123	=head3 cf::map	1709	=head3 cf::map
1124		1710
1125	=over 4	1711	=over 4
1126		1712
…		…
1138	our $MAX_RESET = 3600;	1724	our $MAX_RESET = 3600;
1139	our $DEFAULT_RESET = 3000;	1725	our $DEFAULT_RESET = 3000;
1140		1726
1141	sub generate_random_map {	1727	sub generate_random_map {
1142	my ($self, $rmp) = @_;	1728	my ($self, $rmp) = @_;
		1729
		1730	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1731
1143	# mit "rum" bekleckern, nicht	1732	# mit "rum" bekleckern, nicht
1144	$self->_create_random_map (	1733	$self->_create_random_map (
1145	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1734	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1146	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1735	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1147	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1736	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1181	my ($self, $merge) = @_;	1770	my ($self, $merge) = @_;
1182		1771
1183	# we have to keep some variables in memory intact	1772	# we have to keep some variables in memory intact
1184	local $self->{path};	1773	local $self->{path};
1185	local $self->{load_path};	1774	local $self->{load_path};
1186	local $self->{deny_save};
1187	local $self->{deny_reset};
1188		1775
1189	$self->SUPER::thawer_merge ($merge);	1776	$self->SUPER::thawer_merge ($merge);
1190	}	1777	}
1191		1778
1192	sub normalise {	1779	sub normalise {
…		…
1239	$self->init; # pass $1 etc.	1826	$self->init; # pass $1 etc.
1240	return $self;	1827	return $self;
1241	}	1828	}
1242	}	1829	}
1243		1830
1244	Carp::carp "unable to resolve path '$path' (base '$base').";	1831	Carp::cluck "unable to resolve path '$path' (base '$base').";
1245	()	1832	()
1246	}	1833	}
1247		1834
1248	sub init {	1835	sub init {
1249	my ($self) = @_;	1836	my ($self) = @_;
…		…
1264		1851
1265	# the original (read-only) location	1852	# the original (read-only) location
1266	sub load_path {	1853	sub load_path {
1267	my ($self) = @_;	1854	my ($self) = @_;
1268		1855
1269	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1856	"$MAPDIR/$self->{path}.map"
1270	}	1857	}
1271		1858
1272	# the temporary/swap location	1859	# the temporary/swap location
1273	sub save_path {	1860	sub save_path {
1274	my ($self) = @_;	1861	my ($self) = @_;
1275		1862
1276	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1277	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1864	"$TMPDIR/$path.map"
1278	}	1865	}
1279		1866
1280	# the unique path, undef == no special unique path	1867	# the unique path, undef == no special unique path
1281	sub uniq_path {	1868	sub uniq_path {
1282	my ($self) = @_;	1869	my ($self) = @_;
1283		1870
1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1871	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1285	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1872	"$UNIQUEDIR/$path"
1286	}	1873	}
1287		1874
1288	# and all this just because we cannot iterate over	1875	# and all this just because we cannot iterate over
1289	# all maps in C++...	1876	# all maps in C++...
1290	sub change_all_map_light {	1877	sub change_all_map_light {
…		…
1292		1879
1293	$_->change_map_light ($change)	1880	$_->change_map_light ($change)
1294	for grep $_->outdoor, values %cf::MAP;	1881	for grep $_->outdoor, values %cf::MAP;
1295	}	1882	}
1296		1883
		1884	sub decay_objects {
		1885	my ($self) = @_;
		1886
		1887	return if $self->{deny_reset};
		1888
		1889	$self->do_decay_objects;
		1890	}
		1891
1297	sub unlink_save {	1892	sub unlink_save {
1298	my ($self) = @_;	1893	my ($self) = @_;
1299		1894
1300	utf8::encode (my $save = $self->save_path);	1895	utf8::encode (my $save = $self->save_path);
1301	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1896	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1897	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1303
1304	#d#TODO remove .map and also nuke
1305	$save =~ s/\.map// or return;#d#
1306	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1308	}	1898	}
1309		1899
1310	sub load_header_from($) {	1900	sub load_header_from($) {
1311	my ($self, $path) = @_;	1901	my ($self, $path) = @_;
1312		1902
1313	utf8::encode $path;	1903	utf8::encode $path;
1314	#aio_open $path, O_RDONLY, 0	1904	my $f = new_from_file cf::object::thawer $path
1315	# or return;
1316
1317	$self->_load_header ($path)
1318	or return;	1905	or return;
		1906
		1907	$self->_load_header ($f)
		1908	or return;
		1909
		1910	local $MAP_LOADING{$self->{path}} = $self;
		1911	$f->resolve_delayed_derefs;
1319		1912
1320	$self->{load_path} = $path;	1913	$self->{load_path} = $path;
1321		1914
1322	1	1915	1
1323	}	1916	}
…		…
1362	$self->load_header_orig	1955	$self->load_header_orig
1363	or return;	1956	or return;
1364	$self->prepare_orig;	1957	$self->prepare_orig;
1365	}	1958	}
1366		1959
		1960	$self->{deny_reset} = 1
		1961	if $self->no_reset;
		1962
		1963	$self->default_region (cf::region::find_by_path $self->{path})
		1964	unless $self->default_region;
		1965
1367	1	1966	1
1368	}	1967	}
1369		1968
1370	sub find;	1969	sub find;
1371	sub find {	1970	sub find {
1372	my ($path, $origin) = @_;	1971	my ($path, $origin) = @_;
1373		1972
1374	$path = normalise $path, $origin && $origin->path;	1973	$path = normalise $path, $origin && $origin->path;
1375		1974
		1975	cf::lock_wait "map_data:$path";#d#remove
1376	cf::lock_wait "map_find:$path";	1976	cf::lock_wait "map_find:$path";
1377		1977
1378	$cf::MAP{$path} || do {	1978	$cf::MAP{$path} || do {
		1979	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1379	my $guard = cf::lock_acquire "map_find:$path";	1980	my $guard2 = cf::lock_acquire "map_find:$path";
		1981
1380	my $map = new_from_path cf::map $path	1982	my $map = new_from_path cf::map $path
1381	or return;	1983	or return;
1382		1984
1383	$map->{last_save} = $cf::RUNTIME;	1985	$map->{last_save} = $cf::RUNTIME;
1384		1986
1385	$map->load_header	1987	$map->load_header
1386	or return;	1988	or return;
1387		1989
1388	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1990	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1389	# doing this can freeze the server in a sync job, obviously	1991	# doing this can freeze the server in a sync job, obviously
1390	#$cf::WAIT_FOR_TICK->wait;	1992	#$cf::WAIT_FOR_TICK->wait;
		1993	undef $guard2;
		1994	undef $guard1;
1391	$map->reset;	1995	$map->reset;
1392	undef $guard;
1393	return find $path;	1996	return find $path;
1394	}	1997	}
1395		1998
1396	$cf::MAP{$path} = $map	1999	$cf::MAP{$path} = $map
1397	}	2000	}
…		…
1404	my ($self) = @_;	2007	my ($self) = @_;
1405		2008
1406	local $self->{deny_reset} = 1; # loading can take a long time	2009	local $self->{deny_reset} = 1; # loading can take a long time
1407		2010
1408	my $path = $self->{path};	2011	my $path = $self->{path};
		2012
		2013	{
1409	my $guard = cf::lock_acquire "map_load:$path";	2014	my $guard = cf::lock_acquire "map_data:$path";
1410		2015
		2016	return unless $self->valid;
1411	return if $self->in_memory != cf::MAP_SWAPPED;	2017	return unless $self->in_memory == cf::MAP_SWAPPED;
1412		2018
1413	$self->in_memory (cf::MAP_LOADING);	2019	$self->in_memory (cf::MAP_LOADING);
1414		2020
1415	$self->alloc;	2021	$self->alloc;
1416		2022
1417	$self->pre_load;	2023	$self->pre_load;
		2024	cf::cede_to_tick;
1418		2025
1419	$self->_load_objects ($self->{load_path}, 1)	2026	my $f = new_from_file cf::object::thawer $self->{load_path};
		2027	$f->skip_block;
		2028	$self->_load_objects ($f)
1420	or return;	2029	or return;
1421		2030
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2031	$self->post_load_original
1423	if delete $self->{load_original};	2032	if delete $self->{load_original};
1424		2033
1425	if (my $uniq = $self->uniq_path) {	2034	if (my $uniq = $self->uniq_path) {
1426	utf8::encode $uniq;	2035	utf8::encode $uniq;
1427	if (aio_open $uniq, O_RDONLY, 0) {	2036	unless (aio_stat $uniq) {
		2037	if (my $f = new_from_file cf::object::thawer $uniq) {
1428	$self->clear_unique_items;	2038	$self->clear_unique_items;
1429	$self->_load_objects ($uniq, 0);	2039	$self->_load_objects ($f);
		2040	$f->resolve_delayed_derefs;
		2041	}
1430	}	2042	}
1431	}	2043	}
1432		2044
1433	Coro::cede;	2045	$f->resolve_delayed_derefs;
1434		2046
		2047	cf::cede_to_tick;
1435	# now do the right thing for maps	2048	# now do the right thing for maps
1436	$self->link_multipart_objects;	2049	$self->link_multipart_objects;
1437
1438	unless ($self->{deny_activate}) {
1439	$self->decay_objects;
1440	$self->fix_auto_apply;
1441	$self->update_buttons;
1442	Coro::cede;
1443	$self->set_darkness_map;
1444	$self->difficulty ($self->estimate_difficulty)	2050	$self->difficulty ($self->estimate_difficulty)
1445	unless $self->difficulty;	2051	unless $self->difficulty;
1446	Coro::cede;	2052	cf::cede_to_tick;
		2053
		2054	unless ($self->{deny_activate}) {
		2055	$self->decay_objects;
		2056	$self->fix_auto_apply;
		2057	$self->update_buttons;
		2058	cf::cede_to_tick;
		2059	$self->set_darkness_map;
		2060	cf::cede_to_tick;
1447	$self->activate;	2061	$self->activate;
		2062	}
		2063
		2064	$self->{last_save} = $cf::RUNTIME;
		2065	$self->last_access ($cf::RUNTIME);
		2066
		2067	$self->in_memory (cf::MAP_ACTIVE);
1448	}	2068	}
1449		2069
1450	$self->post_load;	2070	$self->post_load;
1451
1452	$self->in_memory (cf::MAP_IN_MEMORY);
1453	}	2071	}
1454		2072
1455	sub customise_for {	2073	sub customise_for {
1456	my ($self, $ob) = @_;	2074	my ($self, $ob) = @_;
1457		2075
1458	return find "~" . $ob->name . "/" . $self->{path}	2076	return find "~" . $ob->name . "/" . $self->{path}
1459	if $self->per_player;	2077	if $self->per_player;
1460		2078
		2079	# return find "?party/" . $ob->name . "/" . $self->{path}
		2080	# if $self->per_party;
		2081
1461	$self	2082	$self
1462	}	2083	}
1463		2084
1464	# find and load all maps in the 3x3 area around a map	2085	# find and load all maps in the 3x3 area around a map
1465	sub load_diag {	2086	sub load_neighbours {
1466	my ($map) = @_;	2087	my ($map) = @_;
1467		2088
1468	my @diag; # diagonal neighbours	2089	my @neigh; # diagonal neighbours
1469		2090
1470	for (0 .. 3) {	2091	for (0 .. 3) {
1471	my $neigh = $map->tile_path ($_)	2092	my $neigh = $map->tile_path ($_)
1472	or next;	2093	or next;
1473	$neigh = find $neigh, $map	2094	$neigh = find $neigh, $map
1474	or next;	2095	or next;
1475	$neigh->load;	2096	$neigh->load;
1476		2097
		2098	push @neigh,
1477	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2099	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1478	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2100	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1479	}	2101	}
1480		2102
1481	for (@diag) {	2103	for (grep defined $_->[0], @neigh) {
		2104	my ($path, $origin) = @$_;
1482	my $neigh = find @$_	2105	my $neigh = find $path, $origin
1483	or next;	2106	or next;
1484	$neigh->load;	2107	$neigh->load;
1485	}	2108	}
1486	}	2109	}
1487		2110
…		…
1492	}	2115	}
1493		2116
1494	sub do_load_sync {	2117	sub do_load_sync {
1495	my ($map) = @_;	2118	my ($map) = @_;
1496		2119
		2120	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2121	if $Coro::current == $Coro::main;
		2122
1497	cf::sync_job { $map->load };	2123	cf::sync_job { $map->load };
1498	}	2124	}
1499		2125
1500	our %MAP_PREFETCH;	2126	our %MAP_PREFETCH;
1501	our $MAP_PREFETCHER = undef;	2127	our $MAP_PREFETCHER = undef;
1502		2128
1503	sub find_async {	2129	sub find_async {
1504	my ($path, $origin) = @_;	2130	my ($path, $origin, $load) = @_;
1505		2131
1506	$path = normalise $path, $origin && $origin->{path};	2132	$path = normalise $path, $origin && $origin->{path};
1507		2133
1508	if (my $map = $cf::MAP{$path}) {	2134	if (my $map = $cf::MAP{$path}) {
1509	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2135	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1510	}	2136	}
1511		2137
1512	undef $MAP_PREFETCH{$path};	2138	$MAP_PREFETCH{$path} |= $load;
		2139
1513	$MAP_PREFETCHER ||= cf::async {	2140	$MAP_PREFETCHER ||= cf::async {
		2141	$Coro::current->{desc} = "map prefetcher";
		2142
1514	while (%MAP_PREFETCH) {	2143	while (%MAP_PREFETCH) {
1515	for my $path (keys %MAP_PREFETCH) {	2144	while (my ($k, $v) = each %MAP_PREFETCH) {
1516	my $map = find $path	2145	if (my $map = find $k) {
1517	or next;
1518	$map->load;	2146	$map->load if $v;
		2147	}
1519		2148
1520	delete $MAP_PREFETCH{$path};	2149	delete $MAP_PREFETCH{$k};
1521	}	2150	}
1522	}	2151	}
1523	undef $MAP_PREFETCHER;	2152	undef $MAP_PREFETCHER;
1524	};	2153	};
1525	$MAP_PREFETCHER->prio (6);	2154	$MAP_PREFETCHER->prio (6);
…		…
1528	}	2157	}
1529		2158
1530	sub save {	2159	sub save {
1531	my ($self) = @_;	2160	my ($self) = @_;
1532		2161
1533	my $lock = cf::lock_acquire "map_data:" . $self->path;	2162	my $lock = cf::lock_acquire "map_data:$self->{path}";
1534		2163
1535	$self->{last_save} = $cf::RUNTIME;	2164	$self->{last_save} = $cf::RUNTIME;
1536		2165
1537	return unless $self->dirty;	2166	return unless $self->dirty;
1538		2167
…		…
1544	return if $self->{deny_save};	2173	return if $self->{deny_save};
1545		2174
1546	local $self->{last_access} = $self->last_access;#d#	2175	local $self->{last_access} = $self->last_access;#d#
1547		2176
1548	cf::async {	2177	cf::async {
		2178	$Coro::current->{desc} = "map player save";
1549	$_->contr->save for $self->players;	2179	$_->contr->save for $self->players;
1550	};	2180	};
		2181
		2182	cf::get_slot 0.02;
1551		2183
1552	if ($uniq) {	2184	if ($uniq) {
1553	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2185	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1554	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2186	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1555	} else {	2187	} else {
…		…
1561	my ($self) = @_;	2193	my ($self) = @_;
1562		2194
1563	# save first because save cedes	2195	# save first because save cedes
1564	$self->save;	2196	$self->save;
1565		2197
1566	my $lock = cf::lock_acquire "map_data:" . $self->path;	2198	my $lock = cf::lock_acquire "map_data:$self->{path}";
1567		2199
1568	return if $self->players;	2200	return if $self->players;
1569	return if $self->in_memory != cf::MAP_IN_MEMORY;	2201	return if $self->in_memory != cf::MAP_ACTIVE;
1570	return if $self->{deny_save};	2202	return if $self->{deny_save};
1571		2203
		2204	$self->in_memory (cf::MAP_SWAPPED);
		2205
		2206	$self->deactivate;
		2207	$_->clear_links_to ($self) for values %cf::MAP;
1572	$self->clear;	2208	$self->clear;
1573	$self->in_memory (cf::MAP_SWAPPED);
1574	}	2209	}
1575		2210
1576	sub reset_at {	2211	sub reset_at {
1577	my ($self) = @_;	2212	my ($self) = @_;
1578		2213
1579	# TODO: safety, remove and allow resettable per-player maps	2214	# TODO: safety, remove and allow resettable per-player maps
1580	return 1e99 if $self->isa ("ext::map_per_player");#d#
1581	return 1e99 if $self->{deny_reset};	2215	return 1e99 if $self->{deny_reset};
1582		2216
1583	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2217	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1584	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2218	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1585		2219
…		…
1596	my ($self) = @_;	2230	my ($self) = @_;
1597		2231
1598	my $lock = cf::lock_acquire "map_data:$self->{path}";	2232	my $lock = cf::lock_acquire "map_data:$self->{path}";
1599		2233
1600	return if $self->players;	2234	return if $self->players;
1601	return if $self->isa ("ext::map_per_player");#d#
1602		2235
1603	warn "resetting map ", $self->path;#d#	2236	warn "resetting map ", $self->path;
		2237
		2238	$self->in_memory (cf::MAP_SWAPPED);
		2239
		2240	# need to save uniques path
		2241	unless ($self->{deny_save}) {
		2242	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2243
		2244	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2245	if $uniq;
		2246	}
1604		2247
1605	delete $cf::MAP{$self->path};	2248	delete $cf::MAP{$self->path};
1606		2249
1607	$self->in_memory (cf::MAP_SWAPPED);	2250	$self->deactivate;
		2251	$_->clear_links_to ($self) for values %cf::MAP;
1608	$self->clear;	2252	$self->clear;
1609
1610	$_->clear_links_to ($self) for values %cf::MAP;
1611		2253
1612	$self->unlink_save;	2254	$self->unlink_save;
1613	$self->destroy;	2255	$self->destroy;
1614	}	2256	}
1615		2257
1616	my $nuke_counter = "aaaa";	2258	my $nuke_counter = "aaaa";
1617		2259
1618	sub nuke {	2260	sub nuke {
1619	my ($self) = @_;	2261	my ($self) = @_;
1620		2262
		2263	{
		2264	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2265
1621	delete $cf::MAP{$self->path};	2266	delete $cf::MAP{$self->path};
1622		2267
1623	$self->unlink_save;	2268	$self->unlink_save;
1624		2269
1625	bless $self, "cf::map";	2270	bless $self, "cf::map";
1626	delete $self->{deny_reset};	2271	delete $self->{deny_reset};
1627	$self->{deny_save} = 1;	2272	$self->{deny_save} = 1;
1628	$self->reset_timeout (1);	2273	$self->reset_timeout (1);
1629	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2274	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1630		2275
1631	$cf::MAP{$self->path} = $self;	2276	$cf::MAP{$self->path} = $self;
		2277	}
1632		2278
1633	$self->reset; # polite request, might not happen	2279	$self->reset; # polite request, might not happen
		2280	}
		2281
		2282	=item $maps = cf::map::tmp_maps
		2283
		2284	Returns an arrayref with all map paths of currently instantiated and saved
		2285	maps. May block.
		2286
		2287	=cut
		2288
		2289	sub tmp_maps() {
		2290	[
		2291	map {
		2292	utf8::decode $_;
		2293	/\.map$/
		2294	? normalise $_
		2295	: ()
		2296	} @{ aio_readdir $TMPDIR or [] }
		2297	]
		2298	}
		2299
		2300	=item $maps = cf::map::random_maps
		2301
		2302	Returns an arrayref with all map paths of currently instantiated and saved
		2303	random maps. May block.
		2304
		2305	=cut
		2306
		2307	sub random_maps() {
		2308	[
		2309	map {
		2310	utf8::decode $_;
		2311	/\.map$/
		2312	? normalise "?random/$_"
		2313	: ()
		2314	} @{ aio_readdir $RANDOMDIR or [] }
		2315	]
1634	}	2316	}
1635		2317
1636	=item cf::map::unique_maps	2318	=item cf::map::unique_maps
1637		2319
1638	Returns an arrayref of paths of all shared maps that have	2320	Returns an arrayref of paths of all shared maps that have
1639	instantiated unique items. May block.	2321	instantiated unique items. May block.
1640		2322
1641	=cut	2323	=cut
1642		2324
1643	sub unique_maps() {	2325	sub unique_maps() {
1644	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2326	[
1645	or return;	2327	map {
1646
1647	my @paths;
1648
1649	for (@$files) {
1650	utf8::decode $_;	2328	utf8::decode $_;
1651	next if /\.pst$/;	2329	s/\.map$//; # TODO future compatibility hack
1652	next unless /^$PATH_SEP/o;	2330	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1653		2331	? ()
1654	push @paths, cf::map::normalise $_;	2332	: normalise $_
		2333	} @{ aio_readdir $UNIQUEDIR or [] }
1655	}	2334	]
1656
1657	\@paths
1658	}	2335	}
1659
1660	package cf;
1661		2336
1662	=back	2337	=back
1663		2338
1664	=head3 cf::object	2339	=head3 cf::object
1665		2340
…		…
1669		2344
1670	=over 4	2345	=over 4
1671		2346
1672	=item $ob->inv_recursive	2347	=item $ob->inv_recursive
1673		2348
1674	Returns the inventory of the object _and_ their inventories, recursively.	2349	Returns the inventory of the object I<and> their inventories, recursively,
		2350	but I<not> the object itself.
1675		2351
1676	=cut	2352	=cut
1677		2353
1678	sub inv_recursive_;	2354	sub inv_recursive_;
1679	sub inv_recursive_ {	2355	sub inv_recursive_ {
…		…
1682		2358
1683	sub inv_recursive {	2359	sub inv_recursive {
1684	inv_recursive_ inv $_[0]	2360	inv_recursive_ inv $_[0]
1685	}	2361	}
1686		2362
		2363	=item $ref = $ob->ref
		2364
		2365	Creates and returns a persistent reference to an object that can be stored as a string.
		2366
		2367	=item $ob = cf::object::deref ($refstring)
		2368
		2369	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2370	even if the object actually exists. May block.
		2371
		2372	=cut
		2373
		2374	sub deref {
		2375	my ($ref) = @_;
		2376
		2377	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2378	my ($uuid, $name) = ($1, $2);
		2379	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2380	or return;
		2381	$pl->ob->uuid eq $uuid
		2382	or return;
		2383
		2384	$pl->ob
		2385	} else {
		2386	warn "$ref: cannot resolve object reference\n";
		2387	undef
		2388	}
		2389	}
		2390
1687	package cf;	2391	package cf;
1688		2392
1689	=back	2393	=back
1690		2394
1691	=head3 cf::object::player	2395	=head3 cf::object::player
…		…
1697	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2401	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1698	can be C<undef>. Does the right thing when the player is currently in a	2402	can be C<undef>. Does the right thing when the player is currently in a
1699	dialogue with the given NPC character.	2403	dialogue with the given NPC character.
1700		2404
1701	=cut	2405	=cut
		2406
		2407	our $SAY_CHANNEL = {
		2408	id => "say",
		2409	title => "Map",
		2410	reply => "say ",
		2411	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2412	};
		2413
		2414	our $CHAT_CHANNEL = {
		2415	id => "chat",
		2416	title => "Chat",
		2417	reply => "chat ",
		2418	tooltip => "Player chat and shouts, global to the server.",
		2419	};
1702		2420
1703	# rough implementation of a future "reply" method that works	2421	# rough implementation of a future "reply" method that works
1704	# with dialog boxes.	2422	# with dialog boxes.
1705	#TODO: the first argument must go, split into a $npc->reply_to ( method	2423	#TODO: the first argument must go, split into a $npc->reply_to ( method
1706	sub cf::object::player::reply($$$;$) {	2424	sub cf::object::player::reply($$$;$) {
…		…
1708		2426
1709	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2427	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1710		2428
1711	if ($self->{record_replies}) {	2429	if ($self->{record_replies}) {
1712	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2430	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2431
1713	} else {	2432	} else {
		2433	my $pl = $self->contr;
		2434
		2435	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2436	my $dialog = $pl->{npc_dialog};
		2437	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2438
		2439	} else {
1714	$msg = $npc->name . " says: $msg" if $npc;	2440	$msg = $npc->name . " says: $msg" if $npc;
1715	$self->message ($msg, $flags);	2441	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2442	}
1716	}	2443	}
		2444	}
		2445
		2446	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2447
		2448	=cut
		2449
		2450	sub cf::object::send_msg {
		2451	my $pl = shift->contr
		2452	or return;
		2453	$pl->send_msg (@_);
1717	}	2454	}
1718		2455
1719	=item $player_object->may ("access")	2456	=item $player_object->may ("access")
1720		2457
1721	Returns wether the given player is authorized to access resource "access"	2458	Returns wether the given player is authorized to access resource "access"
…		…
1734		2471
1735	=item $player_object->enter_link	2472	=item $player_object->enter_link
1736		2473
1737	Freezes the player and moves him/her to a special map (C<{link}>).	2474	Freezes the player and moves him/her to a special map (C<{link}>).
1738		2475
1739	The player should be reasonably safe there for short amounts of time. You	2476	The player should be reasonably safe there for short amounts of time (e.g.
1740	I<MUST> call C<leave_link> as soon as possible, though.	2477	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2478	though, as the palyer cannot control the character while it is on the link
		2479	map.
1741		2480
1742	Will never block.	2481	Will never block.
1743		2482
1744	=item $player_object->leave_link ($map, $x, $y)	2483	=item $player_object->leave_link ($map, $x, $y)
1745		2484
…		…
1768	$self->deactivate_recursive;	2507	$self->deactivate_recursive;
1769		2508
1770	return if UNIVERSAL::isa $self->map, "ext::map_link";	2509	return if UNIVERSAL::isa $self->map, "ext::map_link";
1771		2510
1772	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2511	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1773	if $self->map;	2512	if $self->map && $self->map->{path} ne "{link}";
1774		2513
1775	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2514	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1776	}	2515	}
1777		2516
1778	sub cf::object::player::leave_link {	2517	sub cf::object::player::leave_link {
1779	my ($self, $map, $x, $y) = @_;	2518	my ($self, $map, $x, $y) = @_;
		2519
		2520	return unless $self->contr->active;
1780		2521
1781	my $link_pos = delete $self->{_link_pos};	2522	my $link_pos = delete $self->{_link_pos};
1782		2523
1783	unless ($map) {	2524	unless ($map) {
1784	# restore original map position	2525	# restore original map position
…		…
1798	# use -1 or undef as default coordinates, not 0, 0	2539	# use -1 or undef as default coordinates, not 0, 0
1799	($x, $y) = ($map->enter_x, $map->enter_y)	2540	($x, $y) = ($map->enter_x, $map->enter_y)
1800	if $x <=0 && $y <= 0;	2541	if $x <=0 && $y <= 0;
1801		2542
1802	$map->load;	2543	$map->load;
1803	$map->load_diag;	2544	$map->load_neighbours;
1804		2545
1805	return unless $self->contr->active;	2546	return unless $self->contr->active;
		2547	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1806	$self->activate_recursive;	2548	$self->activate_recursive;
		2549
		2550	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1807	$self->enter_map ($map, $x, $y);	2551	$self->enter_map ($map, $x, $y);
1808	}	2552	}
1809		2553
1810	cf::player->attach (	2554	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1811	on_logout => sub {
1812	my ($pl) = @_;
1813		2555
1814	# abort map switching before logout	2556	Moves the player to the given map-path and coordinates by first freezing
1815	if ($pl->ob->{_link_pos}) {	2557	her, loading and preparing them map, calling the provided $check callback
1816	cf::sync_job {	2558	that has to return the map if sucecssful, and then unfreezes the player on
1817	$pl->ob->leave_link	2559	the new (success) or old (failed) map position. In either case, $done will
1818	};	2560	be called at the end of this process.
1819	}
1820	},
1821	on_login => sub {
1822	my ($pl) = @_;
1823		2561
1824	# try to abort aborted map switching on player login :)	2562	Note that $check will be called with a potentially non-loaded map, so if
1825	# should happen only on crashes	2563	it needs a loaded map it has to call C<< ->load >>.
1826	if ($pl->ob->{_link_pos}) {
1827	$pl->ob->enter_link;
1828	(async {
1829	# we need this sleep as the login has a concurrent enter_exit running
1830	# and this sleep increases chances of the player not ending up in scorn
1831	$pl->ob->reply (undef,
1832	"There was an internal problem at your last logout, "
1833	. "the server will try to bring you to your intended destination in a second.",
1834	cf::NDI_RED);
1835	Coro::Timer::sleep 1;
1836	$pl->ob->leave_link;
1837	})->prio (2);
1838	}
1839	},
1840	);
1841		2564
1842	=item $player_object->goto ($path, $x, $y)
1843
1844	=cut	2565	=cut
		2566
		2567	our $GOTOGEN;
1845		2568
1846	sub cf::object::player::goto {	2569	sub cf::object::player::goto {
1847	my ($self, $path, $x, $y) = @_;	2570	my ($self, $path, $x, $y, $check, $done) = @_;
		2571
		2572	# do generation counting so two concurrent goto's will be executed in-order
		2573	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1848		2574
1849	$self->enter_link;	2575	$self->enter_link;
1850		2576
1851	(async {	2577	(async {
		2578	$Coro::current->{desc} = "player::goto $path $x $y";
		2579
		2580	# *tag paths override both path and x|y
		2581	if ($path =~ /^\*(.*)$/) {
		2582	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2583	my $ob = $obs[rand @obs];
		2584
		2585	# see if we actually can go there
		2586	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2587	$ob = $obs[rand @obs];
		2588	} else {
		2589	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2590	}
		2591	# else put us there anyways for now #d#
		2592
		2593	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2594	} else {
		2595	($path, $x, $y) = (undef, undef, undef);
		2596	}
		2597	}
		2598
1852	my $map = eval {	2599	my $map = eval {
1853	my $map = cf::map::find $path;	2600	my $map = defined $path ? cf::map::find $path : undef;
		2601
		2602	if ($map) {
1854	$map = $map->customise_for ($self) if $map;	2603	$map = $map->customise_for ($self);
		2604	$map = $check->($map) if $check && $map;
		2605	} else {
		2606	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2607	}
		2608
1855	$map	2609	$map
		2610	};
		2611
		2612	if ($@) {
		2613	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2614	LOG llevError | logBacktrace, Carp::longmess $@;
1856	} or	2615	}
1857	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1858		2616
		2617	if ($gen == $self->{_goto_generation}) {
		2618	delete $self->{_goto_generation};
1859	$self->leave_link ($map, $x, $y);	2619	$self->leave_link ($map, $x, $y);
		2620	}
		2621
		2622	$done->() if $done;
1860	})->prio (1);	2623	})->prio (1);
1861	}	2624	}
1862		2625
1863	=item $player_object->enter_exit ($exit_object)	2626	=item $player_object->enter_exit ($exit_object)
1864		2627
…		…
1884	}	2647	}
1885		2648
1886	sub prepare_random_map {	2649	sub prepare_random_map {
1887	my ($exit) = @_;	2650	my ($exit) = @_;
1888		2651
1889	my $guard = cf::lock_acquire "exit_prepare:$exit";
1890
1891	# all this does is basically replace the /! path by	2652	# all this does is basically replace the /! path by
1892	# a new random map path (?random/...) with a seed	2653	# a new random map path (?random/...) with a seed
1893	# that depends on the exit object	2654	# that depends on the exit object
1894		2655
1895	my $rmp = parse_random_map_params $exit->msg;	2656	my $rmp = parse_random_map_params $exit->msg;
…		…
1897	if ($exit->map) {	2658	if ($exit->map) {
1898	$rmp->{region} = $exit->region->name;	2659	$rmp->{region} = $exit->region->name;
1899	$rmp->{origin_map} = $exit->map->path;	2660	$rmp->{origin_map} = $exit->map->path;
1900	$rmp->{origin_x} = $exit->x;	2661	$rmp->{origin_x} = $exit->x;
1901	$rmp->{origin_y} = $exit->y;	2662	$rmp->{origin_y} = $exit->y;
		2663
		2664	$exit->map->touch;
1902	}	2665	}
1903		2666
1904	$rmp->{random_seed} ||= $exit->random_seed;	2667	$rmp->{random_seed} ||= $exit->random_seed;
1905		2668
1906	my $data = cf::to_json $rmp;	2669	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1907	my $md5 = Digest::MD5::md5_hex $data;	2670	my $md5 = Digest::MD5::md5_hex $data;
1908	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2671	my $meta = "$RANDOMDIR/$md5.meta";
1909		2672
1910	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2673	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1911	aio_write $fh, 0, (length $data), $data, 0;	2674	aio_write $fh, 0, (length $data), $data, 0;
1912	undef $fh;	2675	undef $fh;
1913	aio_rename "$meta~", $meta;	2676	aio_rename "$meta~", $meta;
1914		2677
		2678	my $slaying = "?random/$md5";
		2679
		2680	if ($exit->valid) {
1915	$exit->slaying ("?random/$md5");	2681	$exit->slaying ("?random/$md5");
1916	$exit->msg (undef);	2682	$exit->msg (undef);
		2683	}
1917	}	2684	}
1918	}	2685	}
1919		2686
1920	sub cf::object::player::enter_exit {	2687	sub cf::object::player::enter_exit {
1921	my ($self, $exit) = @_;	2688	my ($self, $exit) = @_;
1922		2689
1923	return unless $self->type == cf::PLAYER;	2690	return unless $self->type == cf::PLAYER;
1924		2691
1925	if ($exit->slaying eq "/!") {
1926	#TODO: this should de-fi-ni-te-ly not be a sync-job
1927	cf::sync_job { prepare_random_map $exit };
1928	}
1929
1930	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1931	my $hp = $exit->stats->hp;
1932	my $sp = $exit->stats->sp;
1933
1934	$self->enter_link;	2692	$self->enter_link;
1935		2693
1936	(async {	2694	(async {
1937	$self->deactivate_recursive; # just to be sure	2695	$Coro::current->{desc} = "enter_exit";
		2696
1938	unless (eval {	2697	unless (eval {
		2698	$self->deactivate_recursive; # just to be sure
		2699
		2700	# random map handling
		2701	{
		2702	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2703
		2704	prepare_random_map $exit
		2705	if $exit->slaying eq "/!";
		2706	}
		2707
		2708	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2709	my $x = $exit->stats->hp;
		2710	my $y = $exit->stats->sp;
		2711
1939	$self->goto ($slaying, $hp, $sp);	2712	$self->goto ($map, $x, $y);
1940		2713
		2714	# if exit is damned, update players death & WoR home-position
		2715	$self->contr->savebed ($map, $x, $y)
		2716	if $exit->flag (cf::FLAG_DAMNED);
		2717
1941	1;	2718	1
1942	}) {	2719	}) {
1943	$self->message ("Something went wrong deep within the crossfire server. "	2720	$self->message ("Something went wrong deep within the deliantra server. "
1944	. "I'll try to bring you back to the map you were before. "	2721	. "I'll try to bring you back to the map you were before. "
1945	. "Please report this to the dungeon master!",	2722	. "Please report this to the dungeon master!",
1946	cf::NDI_UNIQUE | cf::NDI_RED);	2723	cf::NDI_UNIQUE | cf::NDI_RED);
1947		2724
1948	warn "ERROR in enter_exit: $@";	2725	warn "ERROR in enter_exit: $@";
1949	$self->leave_link;	2726	$self->leave_link;
1950	}	2727	}
1951	})->prio (1);	2728	})->prio (1);
…		…
1964		2741
1965	sub cf::client::send_drawinfo {	2742	sub cf::client::send_drawinfo {
1966	my ($self, $text, $flags) = @_;	2743	my ($self, $text, $flags) = @_;
1967		2744
1968	utf8::encode $text;	2745	utf8::encode $text;
1969	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2746	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1970	}	2747	}
1971		2748
		2749	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2750
		2751	Send a drawinfo or msg packet to the client, formatting the msg for the
		2752	client if neccessary. C<$type> should be a string identifying the type of
		2753	the message, with C<log> being the default. If C<$color> is negative, suppress
		2754	the message unless the client supports the msg packet.
		2755
		2756	=cut
		2757
		2758	# non-persistent channels (usually the info channel)
		2759	our %CHANNEL = (
		2760	"c/identify" => {
		2761	id => "infobox",
		2762	title => "Identify",
		2763	reply => undef,
		2764	tooltip => "Items recently identified",
		2765	},
		2766	"c/examine" => {
		2767	id => "infobox",
		2768	title => "Examine",
		2769	reply => undef,
		2770	tooltip => "Signs and other items you examined",
		2771	},
		2772	"c/book" => {
		2773	id => "infobox",
		2774	title => "Book",
		2775	reply => undef,
		2776	tooltip => "The contents of a note or book",
		2777	},
		2778	"c/lookat" => {
		2779	id => "infobox",
		2780	title => "Look",
		2781	reply => undef,
		2782	tooltip => "What you saw there",
		2783	},
		2784	"c/who" => {
		2785	id => "infobox",
		2786	title => "Players",
		2787	reply => undef,
		2788	tooltip => "Shows players who are currently online",
		2789	},
		2790	"c/body" => {
		2791	id => "infobox",
		2792	title => "Body Parts",
		2793	reply => undef,
		2794	tooltip => "Shows which body parts you posess and are available",
		2795	},
		2796	"c/skills" => {
		2797	id => "infobox",
		2798	title => "Skills",
		2799	reply => undef,
		2800	tooltip => "Shows your experience per skill and item power",
		2801	},
		2802	"c/uptime" => {
		2803	id => "infobox",
		2804	title => "Uptime",
		2805	reply => undef,
		2806	tooltip => "How long the server has been running since last restart",
		2807	},
		2808	"c/mapinfo" => {
		2809	id => "infobox",
		2810	title => "Map Info",
		2811	reply => undef,
		2812	tooltip => "Information related to the maps",
		2813	},
		2814	"c/party" => {
		2815	id => "party",
		2816	title => "Party",
		2817	reply => "gsay ",
		2818	tooltip => "Messages and chat related to your party",
		2819	},
		2820	);
		2821
		2822	sub cf::client::send_msg {
		2823	my ($self, $channel, $msg, $color, @extra) = @_;
		2824
		2825	$msg = $self->pl->expand_cfpod ($msg)
		2826	unless $color & cf::NDI_VERBATIM;
		2827
		2828	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2829
		2830	# check predefined channels, for the benefit of C
		2831	if ($CHANNEL{$channel}) {
		2832	$channel = $CHANNEL{$channel};
		2833
		2834	$self->ext_msg (channel_info => $channel)
		2835	if $self->can_msg;
		2836
		2837	$channel = $channel->{id};
		2838
		2839	} elsif (ref $channel) {
		2840	# send meta info to client, if not yet sent
		2841	unless (exists $self->{channel}{$channel->{id}}) {
		2842	$self->{channel}{$channel->{id}} = $channel;
		2843	$self->ext_msg (channel_info => $channel)
		2844	if $self->can_msg;
		2845	}
		2846
		2847	$channel = $channel->{id};
		2848	}
		2849
		2850	return unless @extra || length $msg;
		2851
		2852	if ($self->can_msg) {
		2853	# default colour, mask it out
		2854	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2855	if $color & cf::NDI_DEF;
		2856
		2857	my $pkt = "msg "
		2858	. $self->{json_coder}->encode (
		2859	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2860	);
		2861
		2862	# try lzf for large packets
		2863	$pkt = "lzf " . Compress::LZF::compress $pkt
		2864	if 1024 <= length $pkt and $self->{can_lzf};
		2865
		2866	# split very large packets
		2867	if (8192 < length $pkt and $self->{can_lzf}) {
		2868	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2869	$pkt = "frag";
		2870	}
		2871
		2872	$self->send_packet ($pkt);
		2873	} else {
		2874	if ($color >= 0) {
		2875	# replace some tags by gcfclient-compatible ones
		2876	for ($msg) {
		2877	1 while
		2878	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2879	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2880	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2881	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2882	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2883	}
		2884
		2885	$color &= cf::NDI_COLOR_MASK;
		2886
		2887	utf8::encode $msg;
		2888
		2889	if (0 && $msg =~ /\[/) {
		2890	# COMMAND/INFO
		2891	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2892	} else {
		2893	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2894	$self->send_packet ("drawinfo $color $msg")
		2895	}
		2896	}
		2897	}
		2898	}
		2899
		2900	=item $client->ext_msg ($type, @msg)
		2901
		2902	Sends an ext event to the client.
		2903
		2904	=cut
		2905
		2906	sub cf::client::ext_msg($$@) {
		2907	my ($self, $type, @msg) = @_;
		2908
		2909	if ($self->extcmd == 2) {
		2910	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2911	} elsif ($self->extcmd == 1) { # TODO: remove
		2912	push @msg, msgtype => "event_$type";
		2913	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2914	}
		2915	}
		2916
		2917	=item $client->ext_reply ($msgid, @msg)
		2918
		2919	Sends an ext reply to the client.
		2920
		2921	=cut
		2922
		2923	sub cf::client::ext_reply($$@) {
		2924	my ($self, $id, @msg) = @_;
		2925
		2926	if ($self->extcmd == 2) {
		2927	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2928	} elsif ($self->extcmd == 1) {
		2929	#TODO: version 1, remove
		2930	unshift @msg, msgtype => "reply", msgid => $id;
		2931	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2932	}
		2933	}
1972		2934
1973	=item $success = $client->query ($flags, "text", \&cb)	2935	=item $success = $client->query ($flags, "text", \&cb)
1974		2936
1975	Queues a query to the client, calling the given callback with	2937	Queues a query to the client, calling the given callback with
1976	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2938	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1977	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2939	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1978		2940
1979	Queries can fail, so check the return code. Or don't, as queries will become	2941	Queries can fail, so check the return code. Or don't, as queries will
1980	reliable at some point in the future.	2942	become reliable at some point in the future.
1981		2943
1982	=cut	2944	=cut
1983		2945
1984	sub cf::client::query {	2946	sub cf::client::query {
1985	my ($self, $flags, $text, $cb) = @_;	2947	my ($self, $flags, $text, $cb) = @_;
…		…
1993	utf8::encode $text;	2955	utf8::encode $text;
1994	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2956	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1995		2957
1996	$self->send_packet ($self->{query_queue}[0][0])	2958	$self->send_packet ($self->{query_queue}[0][0])
1997	if @{ $self->{query_queue} } == 1;	2959	if @{ $self->{query_queue} } == 1;
		2960
		2961	1
1998	}	2962	}
1999		2963
2000	cf::client->attach (	2964	cf::client->attach (
		2965	on_connect => sub {
		2966	my ($ns) = @_;
		2967
		2968	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2969	},
2001	on_reply => sub {	2970	on_reply => sub {
2002	my ($ns, $msg) = @_;	2971	my ($ns, $msg) = @_;
2003		2972
2004	# this weird shuffling is so that direct followup queries	2973	# this weird shuffling is so that direct followup queries
2005	# get handled first	2974	# get handled first
…		…
2017	} else {	2986	} else {
2018	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2987	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2019	}	2988	}
2020	}	2989	}
2021	},	2990	},
		2991	on_exticmd => sub {
		2992	my ($ns, $buf) = @_;
		2993
		2994	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2995
		2996	if (ref $msg) {
		2997	my ($type, $reply, @payload) =
		2998	"ARRAY" eq ref $msg
		2999	? @$msg
		3000	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3001
		3002	my @reply;
		3003
		3004	if (my $cb = $EXTICMD{$type}) {
		3005	@reply = $cb->($ns, @payload);
		3006	}
		3007
		3008	$ns->ext_reply ($reply, @reply)
		3009	if $reply;
		3010
		3011	} else {
		3012	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3013	}
		3014
		3015	cf::override;
		3016	},
2022	);	3017	);
2023		3018
2024	=item $client->async (\&cb)	3019	=item $client->async (\&cb)
2025		3020
2026	Create a new coroutine, running the specified callback. The coroutine will	3021	Create a new coroutine, running the specified callback. The coroutine will
…		…
2067	our $safe = new Safe "safe";	3062	our $safe = new Safe "safe";
2068	our $safe_hole = new Safe::Hole;	3063	our $safe_hole = new Safe::Hole;
2069		3064
2070	$SIG{FPE} = 'IGNORE';	3065	$SIG{FPE} = 'IGNORE';
2071		3066
2072	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3067	$safe->permit_only (Opcode::opset qw(
		3068	:base_core :base_mem :base_orig :base_math
		3069	grepstart grepwhile mapstart mapwhile
		3070	sort time
		3071	));
2073		3072
2074	# here we export the classes and methods available to script code	3073	# here we export the classes and methods available to script code
2075		3074
2076	=pod	3075	=pod
2077		3076
2078	The following fucntions and emthods are available within a safe environment:	3077	The following functions and methods are available within a safe environment:
2079		3078
2080	cf::object contr pay_amount pay_player map	3079	cf::object
		3080	contr pay_amount pay_player map x y force_find force_add destroy
		3081	insert remove name archname title slaying race decrease split
		3082
2081	cf::object::player player	3083	cf::object::player
2082	cf::player peaceful	3084	player
2083	cf::map trigger	3085
		3086	cf::player
		3087	peaceful
		3088
		3089	cf::map
		3090	trigger
2084		3091
2085	=cut	3092	=cut
2086		3093
2087	for (	3094	for (
2088	["cf::object" => qw(contr pay_amount pay_player map)],	3095	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3096	insert remove inv nrof name archname title slaying race
		3097	decrease split destroy change_exp)],
2089	["cf::object::player" => qw(player)],	3098	["cf::object::player" => qw(player)],
2090	["cf::player" => qw(peaceful)],	3099	["cf::player" => qw(peaceful)],
2091	["cf::map" => qw(trigger)],	3100	["cf::map" => qw(trigger)],
2092	) {	3101	) {
2093	no strict 'refs';	3102	no strict 'refs';
…		…
2164	=back	3173	=back
2165		3174
2166	=cut	3175	=cut
2167		3176
2168	#############################################################################	3177	#############################################################################
2169
2170	=head2 EXTENSION DATABASE SUPPORT
2171
2172	Crossfire maintains a very simple database for extension use. It can
2173	currently store anything that can be serialised using Storable, which
2174	excludes objects.
2175
2176	The parameter C<$family> should best start with the name of the extension
2177	using it, it should be unique.
2178
2179	=over 4
2180
2181	=item $hashref = cf::db_get $family
2182
2183	Return a hashref for use by the extension C<$family>, which can be
2184	modified. After modifications, you have to call C<cf::db_dirty> or
2185	C<cf::db_sync>.
2186
2187	=item $value = cf::db_get $family => $key
2188
2189	Returns a single value from the database
2190
2191	=item cf::db_put $family => $hashref
2192
2193	Stores the given family hashref into the database. Updates are delayed, if
2194	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2195
2196	=item cf::db_put $family => $key => $value
2197
2198	Stores the given C<$value> in the family hash. Updates are delayed, if you
2199	want the data to be synced to disk immediately, use C<cf::db_sync>.
2200
2201	=item cf::db_dirty
2202
2203	Marks the database as dirty, to be updated at a later time.
2204
2205	=item cf::db_sync
2206
2207	Immediately write the database to disk I<if it is dirty>.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	{
2214	my $path = cf::localdir . "/database.pst";
2215
2216	sub db_load() {
2217	$DB = stat $path ? Storable::retrieve $path : { };
2218	}
2219
2220	my $pid;
2221
2222	sub db_save() {
2223	waitpid $pid, 0 if $pid;
2224	if (0 == ($pid = fork)) {
2225	$DB->{_meta}{version} = 1;
2226	Storable::nstore $DB, "$path~";
2227	rename "$path~", $path;
2228	cf::_exit 0 if defined $pid;
2229	}
2230	}
2231
2232	my $dirty;
2233
2234	sub db_sync() {
2235	db_save if $dirty;
2236	undef $dirty;
2237	}
2238
2239	my $idle = Event->idle (
2240	reentrant => 0,
2241	min => 10,
2242	max => 20,
2243	repeat => 0,
2244	data => WF_AUTOCANCEL,
2245	cb => \&db_sync,
2246	);
2247
2248	sub db_dirty() {
2249	$dirty = 1;
2250	$idle->start;
2251	}
2252
2253	sub db_get($;$) {
2254	@_ >= 2
2255	? $DB->{$_[0]}{$_[1]}
2256	: ($DB->{$_[0]} ||= { })
2257	}
2258
2259	sub db_put($$;$) {
2260	if (@_ >= 3) {
2261	$DB->{$_[0]}{$_[1]} = $_[2];
2262	} else {
2263	$DB->{$_[0]} = $_[1];
2264	}
2265	db_dirty;
2266	}
2267
2268	cf::global->attach (
2269	prio => 10000,
2270	on_cleanup => sub {
2271	db_sync;
2272	},
2273	);
2274	}
2275
2276	#############################################################################
2277	# the server's init and main functions	3178	# the server's init and main functions
2278		3179
		3180	sub load_facedata($) {
		3181	my ($path) = @_;
		3182
		3183	# HACK to clear player env face cache, we need some signal framework
		3184	# for this (global event?)
		3185	%ext::player_env::MUSIC_FACE_CACHE = ();
		3186
		3187	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3188
		3189	warn "loading facedata from $path\n";
		3190
		3191	my $facedata;
		3192	0 < aio_load $path, $facedata
		3193	or die "$path: $!";
		3194
		3195	$facedata = Coro::Storable::thaw $facedata;
		3196
		3197	$facedata->{version} == 2
		3198	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3199
		3200	# patch in the exptable
		3201	$facedata->{resource}{"res/exp_table"} = {
		3202	type => FT_RSRC,
		3203	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3204	};
		3205	cf::cede_to_tick;
		3206
		3207	{
		3208	my $faces = $facedata->{faceinfo};
		3209
		3210	while (my ($face, $info) = each %$faces) {
		3211	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3212
		3213	cf::face::set_visibility $idx, $info->{visibility};
		3214	cf::face::set_magicmap $idx, $info->{magicmap};
		3215	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3216	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3217
		3218	cf::cede_to_tick;
		3219	}
		3220
		3221	while (my ($face, $info) = each %$faces) {
		3222	next unless $info->{smooth};
		3223
		3224	my $idx = cf::face::find $face
		3225	or next;
		3226
		3227	if (my $smooth = cf::face::find $info->{smooth}) {
		3228	cf::face::set_smooth $idx, $smooth;
		3229	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3230	} else {
		3231	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3232	}
		3233
		3234	cf::cede_to_tick;
		3235	}
		3236	}
		3237
		3238	{
		3239	my $anims = $facedata->{animinfo};
		3240
		3241	while (my ($anim, $info) = each %$anims) {
		3242	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3243	cf::cede_to_tick;
		3244	}
		3245
		3246	cf::anim::invalidate_all; # d'oh
		3247	}
		3248
		3249	{
		3250	# TODO: for gcfclient pleasure, we should give resources
		3251	# that gcfclient doesn't grok a >10000 face index.
		3252	my $res = $facedata->{resource};
		3253
		3254	while (my ($name, $info) = each %$res) {
		3255	if (defined $info->{type}) {
		3256	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3257	my $data;
		3258
		3259	if ($info->{type} & 1) {
		3260	# prepend meta info
		3261
		3262	my $meta = $enc->encode ({
		3263	name => $name,
		3264	%{ $info->{meta} || {} },
		3265	});
		3266
		3267	$data = pack "(w/a*)*", $meta, $info->{data};
		3268	} else {
		3269	$data = $info->{data};
		3270	}
		3271
		3272	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3273	cf::face::set_type $idx, $info->{type};
		3274	} else {
		3275	$RESOURCE{$name} = $info;
		3276	}
		3277
		3278	cf::cede_to_tick;
		3279	}
		3280	}
		3281
		3282	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3283
		3284	1
		3285	}
		3286
		3287	cf::global->attach (on_resource_update => sub {
		3288	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3289	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3290
		3291	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3292	my $sound = $soundconf->{compat}[$_]
		3293	or next;
		3294
		3295	my $face = cf::face::find "sound/$sound->[1]";
		3296	cf::sound::set $sound->[0] => $face;
		3297	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3298	}
		3299
		3300	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3301	my $face = cf::face::find "sound/$v";
		3302	cf::sound::set $k => $face;
		3303	}
		3304	}
		3305	});
		3306
		3307	register_exticmd fx_want => sub {
		3308	my ($ns, $want) = @_;
		3309
		3310	while (my ($k, $v) = each %$want) {
		3311	$ns->fx_want ($k, $v);
		3312	}
		3313	};
		3314
2279	sub load_resources {	3315	sub load_resource_file($) {
2280	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3316	my $guard = lock_acquire "load_resource_file";
		3317
		3318	my $status = load_resource_file_ $_[0];
		3319	get_slot 0.1, 100;
		3320	cf::arch::commit_load;
		3321
		3322	$status
		3323	}
		3324
		3325	sub reload_regions {
		3326	# HACK to clear player env face cache, we need some signal framework
		3327	# for this (global event?)
		3328	%ext::player_env::MUSIC_FACE_CACHE = ();
		3329
		3330	load_resource_file "$MAPDIR/regions"
2281	or die "unable to load regions file\n";#d#	3331	or die "unable to load regions file\n";
2282	}
2283		3332
2284	sub cfg_load {	3333	for (cf::region::list) {
		3334	$_->{match} = qr/$_->{match}/
		3335	if exists $_->{match};
		3336	}
		3337	}
		3338
		3339	sub reload_facedata {
		3340	load_facedata "$DATADIR/facedata"
		3341	or die "unable to load facedata\n";
		3342	}
		3343
		3344	sub reload_archetypes {
		3345	load_resource_file "$DATADIR/archetypes"
		3346	or die "unable to load archetypes\n";
		3347	}
		3348
		3349	sub reload_treasures {
		3350	load_resource_file "$DATADIR/treasures"
		3351	or die "unable to load treasurelists\n";
		3352	}
		3353
		3354	sub reload_resources {
		3355	warn "reloading resource files...\n";
		3356
		3357	reload_facedata;
		3358	reload_archetypes;
		3359	reload_regions;
		3360	reload_treasures;
		3361
		3362	warn "finished reloading resource files\n";
		3363	}
		3364
		3365	sub reload_config {
2285	open my $fh, "<:utf8", cf::confdir . "/config"	3366	open my $fh, "<:utf8", "$CONFDIR/config"
2286	or return;	3367	or return;
2287		3368
2288	local $/;	3369	local $/;
2289	*CFG = YAML::Syck::Load <$fh>;	3370	*CFG = YAML::Load <$fh>;
2290		3371
2291	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3372	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2292		3373
2293	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3374	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2294	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3375	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2300	};	3381	};
2301	warn $@ if $@;	3382	warn $@ if $@;
2302	}	3383	}
2303	}	3384	}
2304		3385
2305	sub init {	3386	sub pidfile() {
2306	load_resources;	3387	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3388	or die "$PIDFILE: $!";
		3389	flock $fh, &Fcntl::LOCK_EX
		3390	or die "$PIDFILE: flock: $!";
		3391	$fh
		3392	}
		3393
		3394	# make sure only one server instance is running at any one time
		3395	sub atomic {
		3396	my $fh = pidfile;
		3397
		3398	my $pid = <$fh>;
		3399	kill 9, $pid if $pid > 0;
		3400
		3401	seek $fh, 0, 0;
		3402	print $fh $$;
2307	}	3403	}
2308		3404
2309	sub main {	3405	sub main {
		3406	cf::init_globals; # initialise logging
		3407
		3408	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3409	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3410	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3411	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3412
		3413	cf::init_experience;
		3414	cf::init_anim;
		3415	cf::init_attackmess;
		3416	cf::init_dynamic;
		3417	cf::init_block;
		3418
		3419	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3420
2310	# we must not ever block the main coroutine	3421	# we must not ever block the main coroutine
2311	local $Coro::idle = sub {	3422	local $Coro::idle = sub {
2312	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3423	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2313	(async {	3424	(async {
2314	Event::one_event;	3425	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3426	EV::loop EV::LOOP_ONESHOT;
2315	})->prio (Coro::PRIO_MAX);	3427	})->prio (Coro::PRIO_MAX);
2316	};	3428	};
2317		3429
2318	cfg_load;	3430	evthread_start IO::AIO::poll_fileno;
2319	db_load;	3431
		3432	cf::sync_job {
		3433	reload_resources;
		3434	reload_config;
		3435	db_init;
		3436
		3437	cf::load_settings;
		3438	cf::load_materials;
		3439	cf::init_uuid;
		3440	cf::init_signals;
		3441	cf::init_commands;
		3442	cf::init_skills;
		3443
		3444	cf::init_beforeplay;
		3445
		3446	atomic;
		3447
2320	load_extensions;	3448	load_extensions;
2321		3449
2322	$TICK_WATCHER->start;	3450	utime time, time, $RUNTIMEFILE;
		3451
		3452	# no (long-running) fork's whatsoever before this point(!)
		3453	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3454
		3455	(pop @POST_INIT)->(0) while @POST_INIT;
		3456	};
		3457
2323	Event::loop;	3458	EV::loop;
2324	}	3459	}
2325		3460
2326	#############################################################################	3461	#############################################################################
2327	# initialisation and cleanup	3462	# initialisation and cleanup
2328		3463
2329	# install some emergency cleanup handlers	3464	# install some emergency cleanup handlers
2330	BEGIN {	3465	BEGIN {
		3466	our %SIGWATCHER = ();
2331	for my $signal (qw(INT HUP TERM)) {	3467	for my $signal (qw(INT HUP TERM)) {
2332	Event->signal (	3468	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2333	reentrant => 0,
2334	data => WF_AUTOCANCEL,
2335	signal => $signal,
2336	prio => 0,
2337	cb => sub {
2338	cf::cleanup "SIG$signal";	3469	cf::cleanup "SIG$signal";
2339	},
2340	);	3470	};
		3471	}
		3472	}
		3473
		3474	sub write_runtime_sync {
		3475	# first touch the runtime file to show we are still running:
		3476	# the fsync below can take a very very long time.
		3477
		3478	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3479
		3480	my $guard = cf::lock_acquire "write_runtime";
		3481
		3482	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3483	or return;
		3484
		3485	my $value = $cf::RUNTIME + 90 + 10;
		3486	# 10 is the runtime save interval, for a monotonic clock
		3487	# 60 allows for the watchdog to kill the server.
		3488
		3489	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3490	and return;
		3491
		3492	# always fsync - this file is important
		3493	aio_fsync $fh
		3494	and return;
		3495
		3496	# touch it again to show we are up-to-date
		3497	aio_utime $fh, undef, undef;
		3498
		3499	close $fh
		3500	or return;
		3501
		3502	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3503	and return;
		3504
		3505	warn "runtime file written.\n";
		3506
2341	}	3507	1
		3508	}
		3509
		3510	our $uuid_lock;
		3511	our $uuid_skip;
		3512
		3513	sub write_uuid_sync($) {
		3514	$uuid_skip ||= $_[0];
		3515
		3516	return if $uuid_lock;
		3517	local $uuid_lock = 1;
		3518
		3519	my $uuid = "$LOCALDIR/uuid";
		3520
		3521	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3522	or return;
		3523
		3524	my $value = uuid_seq uuid_cur;
		3525
		3526	unless ($value) {
		3527	warn "cowardly refusing to write zero uuid value!\n";
		3528	return;
		3529	}
		3530
		3531	my $value = uuid_str $value + $uuid_skip;
		3532	$uuid_skip = 0;
		3533
		3534	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3535	and return;
		3536
		3537	# always fsync - this file is important
		3538	aio_fsync $fh
		3539	and return;
		3540
		3541	close $fh
		3542	or return;
		3543
		3544	aio_rename "$uuid~", $uuid
		3545	and return;
		3546
		3547	warn "uuid file written ($value).\n";
		3548
		3549	1
		3550
		3551	}
		3552
		3553	sub write_uuid($$) {
		3554	my ($skip, $sync) = @_;
		3555
		3556	$sync ? write_uuid_sync $skip
		3557	: async { write_uuid_sync $skip };
2342	}	3558	}
2343		3559
2344	sub emergency_save() {	3560	sub emergency_save() {
2345	my $freeze_guard = cf::freeze_mainloop;	3561	my $freeze_guard = cf::freeze_mainloop;
2346		3562
…		…
2352	# and maps saved/destroyed asynchronously.	3568	# and maps saved/destroyed asynchronously.
2353	warn "begin emergency player save\n";	3569	warn "begin emergency player save\n";
2354	for my $login (keys %cf::PLAYER) {	3570	for my $login (keys %cf::PLAYER) {
2355	my $pl = $cf::PLAYER{$login} or next;	3571	my $pl = $cf::PLAYER{$login} or next;
2356	$pl->valid or next;	3572	$pl->valid or next;
		3573	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2357	$pl->save;	3574	$pl->save;
2358	}	3575	}
2359	warn "end emergency player save\n";	3576	warn "end emergency player save\n";
2360		3577
2361	warn "begin emergency map save\n";	3578	warn "begin emergency map save\n";
…		…
2363	my $map = $cf::MAP{$path} or next;	3580	my $map = $cf::MAP{$path} or next;
2364	$map->valid or next;	3581	$map->valid or next;
2365	$map->save;	3582	$map->save;
2366	}	3583	}
2367	warn "end emergency map save\n";	3584	warn "end emergency map save\n";
		3585
		3586	warn "begin emergency database checkpoint\n";
		3587	BDB::db_env_txn_checkpoint $DB_ENV;
		3588	warn "end emergency database checkpoint\n";
		3589
		3590	warn "begin write uuid\n";
		3591	write_uuid_sync 1;
		3592	warn "end write uuid\n";
2368	};	3593	};
2369		3594
2370	warn "leave emergency perl save\n";	3595	warn "leave emergency perl save\n";
2371	}	3596	}
2372		3597
		3598	sub post_cleanup {
		3599	my ($make_core) = @_;
		3600
		3601	warn Carp::longmess "post_cleanup backtrace"
		3602	if $make_core;
		3603
		3604	my $fh = pidfile;
		3605	unlink $PIDFILE if <$fh> == $$;
		3606	}
		3607
		3608	# a safer delete_package, copied from Symbol
		3609	sub clear_package($) {
		3610	my $pkg = shift;
		3611
		3612	# expand to full symbol table name if needed
		3613	unless ($pkg =~ /^main::.*::$/) {
		3614	$pkg = "main$pkg" if $pkg =~ /^::/;
		3615	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3616	$pkg .= '::' unless $pkg =~ /::$/;
		3617	}
		3618
		3619	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3620	my $stem_symtab = *{$stem}{HASH};
		3621
		3622	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3623	or return;
		3624
		3625	# clear all symbols
		3626	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3627	for my $name (keys %$leaf_symtab) {
		3628	_gv_clear *{"$pkg$name"};
		3629	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3630	}
		3631	warn "cleared package $pkg\n";#d#
		3632	}
		3633
2373	sub reload() {	3634	sub do_reload_perl() {
2374	# can/must only be called in main	3635	# can/must only be called in main
2375	if ($Coro::current != $Coro::main) {	3636	if ($Coro::current != $Coro::main) {
2376	warn "can only reload from main coroutine";	3637	warn "can only reload from main coroutine";
2377	return;	3638	return;
2378	}	3639	}
2379		3640
		3641	return if $RELOAD++;
		3642
		3643	while ($RELOAD) {
2380	warn "reloading...";	3644	warn "reloading...";
2381		3645
2382	warn "cancelling server ticker";	3646	warn "entering sync_job";
2383	$TICK_WATCHER->cancel;
2384		3647
		3648	cf::sync_job {
		3649	cf::write_runtime_sync; # external watchdog should not bark
2385	cf::emergency_save;	3650	cf::emergency_save;
		3651	cf::write_runtime_sync; # external watchdog should not bark
2386		3652
2387	eval {	3653	warn "syncing database to disk";
		3654	BDB::db_env_txn_checkpoint $DB_ENV;
		3655
2388	# if anything goes wrong in here, we should simply crash as we already saved	3656	# if anything goes wrong in here, we should simply crash as we already saved
2389		3657
2390	warn "syncing database to disk";
2391	cf::db_sync;
2392
2393	warn "cancelling all WF_AUTOCANCEL watchers";
2394	for (Event::all_watchers) {
2395	$_->cancel if $_->data & WF_AUTOCANCEL;
2396	}
2397
2398	warn "flushing outstanding aio requests";	3658	warn "flushing outstanding aio requests";
2399	for (;;) {	3659	while (IO::AIO::nreqs || BDB::nreqs) {
2400	IO::AIO::flush;	3660	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2401	Coro::cede;
2402	last unless IO::AIO::nreqs;
2403	warn "iterate...";
2404	}
2405
2406	warn "cancelling all extension coros";
2407	$_->cancel for values %EXT_CORO;
2408	%EXT_CORO = ();
2409
2410	warn "removing commands";
2411	%COMMAND = ();
2412
2413	warn "removing ext commands";
2414	%EXTCMD = ();
2415
2416	warn "unloading/nuking all extensions";
2417	for my $pkg (@EXTS) {
2418	warn "... unloading $pkg";
2419
2420	if (my $cb = $pkg->can ("unload")) {
2421	eval {
2422	$cb->($pkg);
2423	1
2424	} or warn "$pkg unloaded, but with errors: $@";
2425	}	3661	}
2426		3662
2427	warn "... nuking $pkg";	3663	warn "cancelling all extension coros";
2428	Symbol::delete_package $pkg;	3664	$_->cancel for values %EXT_CORO;
2429	}	3665	%EXT_CORO = ();
2430		3666
2431	warn "unloading all perl modules loaded from $LIBDIR";	3667	warn "removing commands";
2432	while (my ($k, $v) = each %INC) {	3668	%COMMAND = ();
2433	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2434		3669
		3670	warn "removing ext/exti commands";
		3671	%EXTCMD = ();
		3672	%EXTICMD = ();
		3673
		3674	warn "unloading/nuking all extensions";
		3675	for my $pkg (@EXTS) {
2435	warn "... unloading $k";	3676	warn "... unloading $pkg";
2436	delete $INC{$k};
2437		3677
2438	$k =~ s/\.pm$//;
2439	$k =~ s/\//::/g;
2440
2441	if (my $cb = $k->can ("unload_module")) {	3678	if (my $cb = $pkg->can ("unload")) {
		3679	eval {
2442	$cb->();	3680	$cb->($pkg);
		3681	1
		3682	} or warn "$pkg unloaded, but with errors: $@";
		3683	}
		3684
		3685	warn "... clearing $pkg";
		3686	clear_package $pkg;
2443	}	3687	}
2444		3688
2445	Symbol::delete_package $k;	3689	warn "unloading all perl modules loaded from $LIBDIR";
		3690	while (my ($k, $v) = each %INC) {
		3691	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3692
		3693	warn "... unloading $k";
		3694	delete $INC{$k};
		3695
		3696	$k =~ s/\.pm$//;
		3697	$k =~ s/\//::/g;
		3698
		3699	if (my $cb = $k->can ("unload_module")) {
		3700	$cb->();
		3701	}
		3702
		3703	clear_package $k;
2446	}	3704	}
2447		3705
2448	warn "getting rid of safe::, as good as possible";	3706	warn "getting rid of safe::, as good as possible";
2449	Symbol::delete_package "safe::$_"	3707	clear_package "safe::$_"
2450	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3708	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2451		3709
2452	warn "unloading cf.pm \"a bit\"";	3710	warn "unloading cf.pm \"a bit\"";
2453	delete $INC{"cf.pm"};	3711	delete $INC{"cf.pm"};
		3712	delete $INC{"cf/pod.pm"};
2454		3713
2455	# don't, removes xs symbols, too,	3714	# don't, removes xs symbols, too,
2456	# and global variables created in xs	3715	# and global variables created in xs
2457	#Symbol::delete_package __PACKAGE__;	3716	#clear_package __PACKAGE__;
2458		3717
2459	warn "unload completed, starting to reload now";	3718	warn "unload completed, starting to reload now";
2460		3719
2461	warn "reloading cf.pm";	3720	warn "reloading cf.pm";
2462	require cf;	3721	require cf;
2463	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3722	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2464		3723
2465	warn "loading config and database again";	3724	warn "loading config and database again";
2466	cf::cfg_load;	3725	cf::reload_config;
2467	cf::db_load;
2468		3726
2469	warn "loading extensions";	3727	warn "loading extensions";
2470	cf::load_extensions;	3728	cf::load_extensions;
2471		3729
2472	warn "reattaching attachments to objects/players";	3730	warn "reattaching attachments to objects/players";
2473	_global_reattach;	3731	_global_reattach; # objects, sockets
2474	warn "reattaching attachments to maps";	3732	warn "reattaching attachments to maps";
2475	reattach $_ for values %MAP;	3733	reattach $_ for values %MAP;
		3734	warn "reattaching attachments to players";
		3735	reattach $_ for values %PLAYER;
2476		3736
2477	warn "loading reloadable resources";	3737	warn "running post_load";
2478	load_resources;	3738	(pop @POST_INIT)->(1) while @POST_INIT;
2479		3739
2480	warn "restarting server ticker";	3740	warn "leaving sync_job";
2481		3741
2482	$TICK_WATCHER->start;	3742	1
		3743	} or do {
		3744	warn $@;
		3745	cf::cleanup "error while reloading, exiting.";
		3746	};
		3747
		3748	warn "reloaded";
		3749	--$RELOAD;
		3750	}
		3751	};
		3752
		3753	our $RELOAD_WATCHER; # used only during reload
		3754
		3755	sub reload_perl() {
		3756	# doing reload synchronously and two reloads happen back-to-back,
		3757	# coro crashes during coro_state_free->destroy here.
		3758
		3759	$RELOAD_WATCHER ||= EV::timer $TICK * 1.5, 0, sub {
		3760	do_reload_perl;
		3761	undef $RELOAD_WATCHER;
2483	};	3762	};
2484		3763	}
2485	if ($@) {
2486	warn $@;
2487	warn "error while reloading, exiting.";
2488	exit 1;
2489	}
2490
2491	warn "reloaded";
2492	};
2493
2494	our $RELOAD_WATCHER; # used only during reload
2495		3764
2496	register_command "reload" => sub {	3765	register_command "reload" => sub {
2497	my ($who, $arg) = @_;	3766	my ($who, $arg) = @_;
2498		3767
2499	if ($who->flag (FLAG_WIZ)) {	3768	if ($who->flag (FLAG_WIZ)) {
2500	$who->message ("reloading server.");	3769	$who->message ("reloading server.");
2501		3770	async {
2502	# doing reload synchronously and two reloads happen back-to-back,	3771	$Coro::current->{desc} = "perl_reload";
2503	# coro crashes during coro_state_free->destroy here.
2504
2505	$RELOAD_WATCHER ||= Event->timer (
2506	reentrant => 0,
2507	after => 0,
2508	data => WF_AUTOCANCEL,
2509	cb => sub {
2510	reload;	3772	reload_perl;
2511	undef $RELOAD_WATCHER;
2512	},
2513	);	3773	};
2514	}	3774	}
2515	};	3775	};
2516		3776
2517	unshift @INC, $LIBDIR;	3777	unshift @INC, $LIBDIR;
2518		3778
2519	my $bug_warning = 0;	3779	my $bug_warning = 0;
2520		3780
2521	$TICK_WATCHER = Event->timer (	3781	our @WAIT_FOR_TICK;
2522	reentrant => 0,	3782	our @WAIT_FOR_TICK_BEGIN;
2523	parked => 1,	3783
2524	prio => 0,	3784	sub wait_for_tick {
2525	at => $NEXT_TICK || $TICK,	3785	return if tick_inhibit || $Coro::current == $Coro::main;
2526	data => WF_AUTOCANCEL,	3786
2527	cb => sub {	3787	my $signal = new Coro::Signal;
		3788	push @WAIT_FOR_TICK, $signal;
		3789	$signal->wait;
		3790	}
		3791
		3792	sub wait_for_tick_begin {
		3793	return if tick_inhibit || $Coro::current == $Coro::main;
		3794
		3795	my $signal = new Coro::Signal;
		3796	push @WAIT_FOR_TICK_BEGIN, $signal;
		3797	$signal->wait;
		3798	}
		3799
		3800	sub tick {
2528	if ($Coro::current != $Coro::main) {	3801	if ($Coro::current != $Coro::main) {
2529	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3802	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2530	unless ++$bug_warning > 10;	3803	unless ++$bug_warning > 10;
2531	return;	3804	return;
2532	}	3805	}
2533		3806
2534	$NOW = Event::time;
2535
2536	cf::server_tick; # one server iteration	3807	cf::server_tick; # one server iteration
2537	$RUNTIME += $TICK;
2538	$NEXT_TICK += $TICK;
2539		3808
2540	$WAIT_FOR_TICK->broadcast;	3809	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2541	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3810	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2542		3811	Coro::async_pool {
2543	Event::sweep;	3812	$Coro::current->{desc} = "runtime saver";
2544	Coro::cede_notself;
2545
2546	# my $AFTER = Event::time;
2547	# warn $AFTER - $NOW;#d#
2548
2549	# if we are delayed by four ticks or more, skip them all
2550	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2551
2552	$TICK_WATCHER->at ($NEXT_TICK);
2553	$TICK_WATCHER->start;
2554	},
2555	);
2556
2557	IO::AIO::max_poll_time $TICK * 0.1;
2558
2559	undef $Coro::AIO::WATCHER;
2560	$AIO_POLL_WATCHER = Event->io (
2561	reentrant => 0,
2562	fd => IO::AIO::poll_fileno,
2563	poll => 'r',
2564	prio => 6,
2565	data => WF_AUTOCANCEL,
2566	cb => \&IO::AIO::poll_cb,
2567	);
2568
2569	$WRITE_RUNTIME_WATCHER = Event->timer (
2570	reentrant => 0,
2571	data => WF_AUTOCANCEL,
2572	after => 1,
2573	interval => 10,
2574	prio => 6, # keep it lowest so it acts like a watchdog
2575	cb => Coro::unblock_sub {
2576	write_runtime	3813	write_runtime_sync
2577	or warn "ERROR: unable to write runtime file: $!";	3814	or warn "ERROR: unable to write runtime file: $!";
		3815	};
2578	},	3816	}
2579	);	3817
		3818	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3819	$sig->send;
		3820	}
		3821	while (my $sig = shift @WAIT_FOR_TICK) {
		3822	$sig->send;
		3823	}
		3824
		3825	$LOAD = ($NOW - $TICK_START) / $TICK;
		3826	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3827
		3828	if (0) {
		3829	if ($NEXT_TICK) {
		3830	my $jitter = $TICK_START - $NEXT_TICK;
		3831	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3832	warn "jitter $JITTER\n";#d#
		3833	}
		3834	}
		3835	}
		3836
		3837	{
		3838	# configure BDB
		3839
		3840	BDB::min_parallel 8;
		3841	BDB::max_poll_reqs $TICK * 0.1;
		3842	$AnyEvent::BDB::WATCHER->priority (1);
		3843
		3844	unless ($DB_ENV) {
		3845	$DB_ENV = BDB::db_env_create;
		3846	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3847	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3848	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3849	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3850	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3851
		3852	cf::sync_job {
		3853	eval {
		3854	BDB::db_env_open
		3855	$DB_ENV,
		3856	$BDBDIR,
		3857	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3858	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3859	0666;
		3860
		3861	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3862	};
		3863
		3864	cf::cleanup "db_env_open(db): $@" if $@;
		3865	};
		3866	}
		3867
		3868	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3869	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3870	};
		3871	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3872	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3873	};
		3874	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3875	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3876	};
		3877	}
		3878
		3879	{
		3880	# configure IO::AIO
		3881
		3882	IO::AIO::min_parallel 8;
		3883	IO::AIO::max_poll_time $TICK * 0.1;
		3884	undef $AnyEvent::AIO::WATCHER;
		3885	}
		3886
		3887	my $_log_backtrace;
		3888
		3889	sub _log_backtrace {
		3890	my ($msg, @addr) = @_;
		3891
		3892	$msg =~ s/\n//;
		3893
		3894	# limit the # of concurrent backtraces
		3895	if ($_log_backtrace < 2) {
		3896	++$_log_backtrace;
		3897	my $perl_bt = Carp::longmess $msg;
		3898	async {
		3899	$Coro::current->{desc} = "abt $msg";
		3900
		3901	my @bt = fork_call {
		3902	@addr = map { sprintf "%x", $_ } @addr;
		3903	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3904	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3905	or die "addr2line: $!";
		3906
		3907	my @funcs;
		3908	my @res = <$fh>;
		3909	chomp for @res;
		3910	while (@res) {
		3911	my ($func, $line) = splice @res, 0, 2, ();
		3912	push @funcs, "[$func] $line";
		3913	}
		3914
		3915	@funcs
		3916	};
		3917
		3918	LOG llevInfo, "[ABT] $perl_bt\n";
		3919	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3920	LOG llevInfo, "[ABT] $_\n" for @bt;
		3921	--$_log_backtrace;
		3922	};
		3923	} else {
		3924	LOG llevInfo, "[ABT] $msg\n";
		3925	LOG llevInfo, "[ABT] [suppressed]\n";
		3926	}
		3927	}
		3928
		3929	# load additional modules
		3930	use cf::pod;
2580		3931
2581	END { cf::emergency_save }	3932	END { cf::emergency_save }
2582		3933
2583	1	3934	1
2584		3935

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