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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.232 by root, Wed Apr 4 02:07:19 2007 UTC vs.
Revision 1.458 by root, Sat Dec 13 20:34:37 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
9	use Event;	31	use EV;
10	use Opcode;	32	use Opcode;
11	use Safe;	33	use Safe;
12	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
13		36
		37	use Guard ();
14	use Coro 3.52 ();	38	use Coro ();
15	use Coro::State;	39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
16	use Coro::Event;	42	use Coro::AnyEvent;
17	use Coro::Timer;	43	use Coro::Timer;
18	use Coro::Signal;	44	use Coro::Signal;
19	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::AnyEvent;
20	use Coro::AIO;	47	use Coro::AIO;
		48	use Coro::BDB 1.6;
		49	use Coro::Storable;
		50	use Coro::Util ();
21		51
		52	use JSON::XS 2.01 ();
22	use BDB ();	53	use BDB ();
23	use Data::Dumper;	54	use Data::Dumper;
24	use Digest::MD5;	55	use Digest::MD5;
25	use Fcntl;	56	use Fcntl;
26	use YAML::Syck ();	57	use YAML ();
27	use IO::AIO 2.32 ();	58	use IO::AIO ();
28	use Time::HiRes;	59	use Time::HiRes;
29	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
30		64
31	# configure various modules to our taste	65	# configure various modules to our taste
32	#	66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
35
36	$Event::Eval = 1; # no idea why this is required, but it is
37
38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
39	$YAML::Syck::ImplicitUnicode = 1;
40
41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
42		75
43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	76	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
44		77
45	our %COMMAND = ();	78	our %COMMAND = ();
46	our %COMMAND_TIME = ();	79	our %COMMAND_TIME = ();
47		80
48	our @EXTS = (); # list of extension package names	81	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	82	our %EXTCMD = ();
		83	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	84	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	85	our %EXT_MAP = (); # pluggable maps
52		86
53	our $RELOAD; # number of reloads so far	87	our $RELOAD; # number of reloads so far, non-zero while in reload
54	our @EVENT;	88	our @EVENT;
55	our $LIBDIR = datadir . "/ext";
56		89
57	our $TICK = MAX_TIME * 1e-6;	90	our $CONFDIR = confdir;
58	our $TICK_WATCHER;	91	our $DATADIR = datadir;
59	our $AIO_POLL_WATCHER;	92	our $LIBDIR = "$DATADIR/ext";
		93	our $PODDIR = "$DATADIR/pod";
		94	our $MAPDIR = "$DATADIR/" . mapdir;
		95	our $LOCALDIR = localdir;
		96	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		97	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		98	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		99	our $RANDOMDIR = "$LOCALDIR/random";
		100	our $BDBDIR = "$LOCALDIR/db";
		101	our $PIDFILE = "$LOCALDIR/pid";
		102	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		103
		104	our %RESOURCE;
		105
		106	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	107	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	108	our $NEXT_TICK;
62	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off	109	our $USE_FSYNC = 1; # use fsync to write maps - default off
64		110
		111	our $BDB_DEADLOCK_WATCHER;
		112	our $BDB_CHECKPOINT_WATCHER;
65	our $BDB_POLL_WATCHER;	113	our $BDB_TRICKLE_WATCHER;
66	our $DB_ENV;	114	our $DB_ENV;
67		115
68	our %CFG;	116	our %CFG;
69		117
70	our $UPTIME; $UPTIME ||= time;	118	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;	119	our $RUNTIME;
		120	our $NOW;
72		121
73	our %PLAYER; # all users	122	our (%PLAYER, %PLAYER_LOADING); # all users
74	our %MAP; # all maps	123	our (%MAP, %MAP_LOADING ); # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	124	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		125
82	# used to convert map paths into valid unix filenames by replacing / by ∕	126	# used to convert map paths into valid unix filenames by replacing / by ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	127	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		128
		129	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		130	our $LOADAVG; # same thing, but with alpha-smoothing
		131	our $JITTER; # average jitter
		132	our $TICK_START; # for load detecting purposes
		133
		134	our @POST_INIT;
		135
		136	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
		137
85	binmode STDOUT;	138	binmode STDOUT;
86	binmode STDERR;	139	binmode STDERR;
87		140
88	# read virtual server time, if available	141	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	142	unless ($RUNTIME || !-e $RUNTIMEFILE) {
90	open my $fh, "<", cf::localdir . "/runtime"	143	open my $fh, "<", $RUNTIMEFILE
91	or die "unable to read runtime file: $!";	144	or die "unable to read $RUNTIMEFILE file: $!";
92	$RUNTIME = <$fh> + 0.;	145	$RUNTIME = <$fh> + 0.;
93	}	146	}
94		147
95	mkdir cf::localdir;	148	mkdir $_
96	mkdir cf::localdir . "/" . cf::playerdir;	149	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
97	mkdir cf::localdir . "/" . cf::tmpdir;
98	mkdir cf::localdir . "/" . cf::uniquedir;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		150
102	our $EMERGENCY_POSITION;	151	our $EMERGENCY_POSITION;
103		152
104	sub cf::map::normalise;	153	sub cf::map::normalise;
105		154
…		…
116	=item $cf::RUNTIME	165	=item $cf::RUNTIME
117		166
118	The time this server has run, starts at 0 and is increased by $cf::TICK on	167	The time this server has run, starts at 0 and is increased by $cf::TICK on
119	every server tick.	168	every server tick.
120		169
121	=item $cf::LIBDIR	170	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		171	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		172	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
122		173
123	The perl library directory, where extensions and cf-specific modules can	174	Various directories - "/etc", read-only install directory, perl-library
124	be found. It will be added to C<@INC> automatically.	175	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		176	unique-items directory, player file directory, random maps directory and
		177	database environment.
125		178
126	=item $cf::NOW	179	=item $cf::NOW
127		180
128	The time of the last (current) server tick.	181	The time of the last (current) server tick.
129		182
130	=item $cf::TICK	183	=item $cf::TICK
131		184
132	The interval between server ticks, in seconds.	185	The interval between server ticks, in seconds.
133		186
		187	=item $cf::LOADAVG
		188
		189	The current CPU load on the server (alpha-smoothed), as a value between 0
		190	(none) and 1 (overloaded), indicating how much time is spent on processing
		191	objects per tick. Healthy values are < 0.5.
		192
		193	=item $cf::LOAD
		194
		195	The raw value load value from the last tick.
		196
134	=item %cf::CFG	197	=item %cf::CFG
135		198
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	199	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
137	from wherever your confdir points to.	200	from wherever your confdir points to.
138		201
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	202	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		203
141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	204	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	205	returns directly I<after> the tick processing (and consequently, can only wake one process
143	processing has been done. Call C<< ->wait >> on them to maximise the	206	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
144	window of cpu time available, or simply to synchronise to the server tick.	207
		208	=item @cf::INVOKE_RESULTS
		209
		210	This array contains the results of the last C<invoke ()> call. When
		211	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		212	that call.
145		213
146	=back	214	=back
147		215
148	=cut	216	=cut
149		217
150	BEGIN {	218	BEGIN {
151	*CORE::GLOBAL::warn = sub {	219	*CORE::GLOBAL::warn = sub {
152	my $msg = join "", @_;	220	my $msg = join "", @_;
153	utf8::encode $msg;
154		221
155	$msg .= "\n"	222	$msg .= "\n"
156	unless $msg =~ /\n$/;	223	unless $msg =~ /\n$/;
157		224
		225	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		226
158	LOG llevError, $msg;	227	LOG llevError, $msg;
159	};	228	};
160	}	229	}
		230
		231	$Coro::State::DIEHOOK = sub {
		232	return unless $^S eq 0; # "eq", not "=="
		233
		234	if ($Coro::current == $Coro::main) {#d#
		235	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		236	return;#d#
		237	}#d#
		238
		239	# kill coroutine otherwise
		240	warn Carp::longmess $_[0];
		241	Coro::terminate
		242	};
		243
		244	$SIG{__DIE__} = sub { }; #d#?
161		245
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	246	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	247	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	248	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	249	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	250	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		251	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
167	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	252	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
168		253
169	# we bless all objects into (empty) derived classes to force a method lookup	254	# we bless all objects into (empty) derived classes to force a method lookup
170	# within the Safe compartment.	255	# within the Safe compartment.
171	for my $pkg (qw(	256	for my $pkg (qw(
172	cf::global cf::attachable	257	cf::global cf::attachable
173	cf::object cf::object::player	258	cf::object cf::object::player
174	cf::client cf::player	259	cf::client cf::player
175	cf::arch cf::living	260	cf::arch cf::living
		261	cf::map cf::mapspace
176	cf::map cf::party cf::region	262	cf::party cf::region
177	)) {	263	)) {
178	no strict 'refs';
179	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	264	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
180	}	265	}
181		266
182	$Event::DIED = sub {	267	$EV::DIED = sub {
183	warn "error in event callback: @_";	268	warn "error in event callback: @_";
184	};	269	};
		270
		271	#############################################################################
185		272
186	=head2 UTILITY FUNCTIONS	273	=head2 UTILITY FUNCTIONS
187		274
188	=over 4	275	=over 4
189		276
…		…
208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	295	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
209	$d	296	$d
210	} || "[unable to dump $_[0]: '$@']";	297	} || "[unable to dump $_[0]: '$@']";
211	}	298	}
212		299
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	300	=item $ref = cf::decode_json $json
216		301
217	Converts a JSON string into the corresponding perl data structure.	302	Converts a JSON string into the corresponding perl data structure.
218		303
219	=item $json = cf::to_json $ref	304	=item $json = cf::encode_json $ref
220		305
221	Converts a perl data structure into its JSON representation.	306	Converts a perl data structure into its JSON representation.
222		307
		308	=cut
		309
		310	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		311
		312	sub encode_json($) { $json_coder->encode ($_[0]) }
		313	sub decode_json($) { $json_coder->decode ($_[0]) }
		314
		315	=item cf::post_init { BLOCK }
		316
		317	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		318	but I<before> the server starts ticking again.
		319
		320	The cdoeblock will have a single boolean argument to indicate whether this
		321	is a reload or not.
		322
		323	=cut
		324
		325	sub post_init(&) {
		326	push @POST_INIT, shift;
		327	}
		328
223	=item cf::lock_wait $string	329	=item cf::lock_wait $string
224		330
225	Wait until the given lock is available. See cf::lock_acquire.	331	Wait until the given lock is available. See cf::lock_acquire.
226		332
227	=item my $lock = cf::lock_acquire $string	333	=item my $lock = cf::lock_acquire $string
228		334
229	Wait until the given lock is available and then acquires it and returns	335	Wait until the given lock is available and then acquires it and returns
230	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	336	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
231	for example when the coroutine gets canceled), the lock is automatically	337	for example when the coroutine gets canceled), the lock is automatically
232	returned.	338	returned.
233		339
		340	Locks are *not* recursive, locking from the same coro twice results in a
		341	deadlocked coro.
		342
234	Lock names should begin with a unique identifier (for example, cf::map::find	343	Lock names should begin with a unique identifier (for example, cf::map::find
235	uses map_find and cf::map::load uses map_load).	344	uses map_find and cf::map::load uses map_load).
236		345
		346	=item $locked = cf::lock_active $string
		347
		348	Return true if the lock is currently active, i.e. somebody has locked it.
		349
237	=cut	350	=cut
238		351
239	our %LOCK;	352	our %LOCK;
		353	our %LOCKER;#d#
240		354
241	sub lock_wait($) {	355	sub lock_wait($) {
242	my ($key) = @_;	356	my ($key) = @_;
243		357
		358	if ($LOCKER{$key} == $Coro::current) {#d#
		359	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		360	return;#d#
		361	}#d#
		362
244	# wait for lock, if any	363	# wait for lock, if any
245	while ($LOCK{$key}) {	364	while ($LOCK{$key}) {
		365	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
246	push @{ $LOCK{$key} }, $Coro::current;	366	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;	367	Coro::schedule;
248	}	368	}
249	}	369	}
250		370
…		…
253		373
254	# wait, to be sure we are not locked	374	# wait, to be sure we are not locked
255	lock_wait $key;	375	lock_wait $key;
256		376
257	$LOCK{$key} = [];	377	$LOCK{$key} = [];
		378	$LOCKER{$key} = $Coro::current;#d#
258		379
259	Coro::guard {	380	Guard::guard {
		381	delete $LOCKER{$key};#d#
260	# wake up all waiters, to be on the safe side	382	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };	383	$_->ready for @{ delete $LOCK{$key} };
262	}	384	}
263	}	385	}
264		386
		387	sub lock_active($) {
		388	my ($key) = @_;
		389
		390	! ! $LOCK{$key}
		391	}
		392
265	sub freeze_mainloop {	393	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	394	tick_inhibit_inc;
267		395
268	my $guard = Coro::guard {	396	&Guard::guard (\&tick_inhibit_dec);
269	$TICK_WATCHER->start;	397	}
		398
		399	=item cf::periodic $interval, $cb
		400
		401	Like EV::periodic, but randomly selects a starting point so that the actions
		402	get spread over timer.
		403
		404	=cut
		405
		406	sub periodic($$) {
		407	my ($interval, $cb) = @_;
		408
		409	my $start = rand List::Util::min 180, $interval;
		410
		411	EV::periodic $start, $interval, 0, $cb
		412	}
		413
		414	=item cf::get_slot $time[, $priority[, $name]]
		415
		416	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		417	This call blocks and returns only when you have at least C<$time> seconds
		418	of cpu time till the next tick. The slot is only valid till the next cede.
		419
		420	The optional C<$name> can be used to identify the job to run. It might be
		421	used for statistical purposes and should identify the same time-class.
		422
		423	Useful for short background jobs.
		424
		425	=cut
		426
		427	our @SLOT_QUEUE;
		428	our $SLOT_QUEUE;
		429
		430	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		431	$SLOT_QUEUE = Coro::async {
		432	$Coro::current->desc ("timeslot manager");
		433
		434	my $signal = new Coro::Signal;
		435
		436	while () {
		437	next_job:
		438	my $avail = cf::till_tick;
		439	if ($avail > 0.01) {
		440	for (0 .. $#SLOT_QUEUE) {
		441	if ($SLOT_QUEUE[$_][0] < $avail) {
		442	my $job = splice @SLOT_QUEUE, $_, 1, ();
		443	$job->[2]->send;
		444	Coro::cede;
		445	goto next_job;
		446	}
		447	}
		448	}
		449
		450	if (@SLOT_QUEUE) {
		451	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		452	push @cf::WAIT_FOR_TICK, $signal;
		453	$signal->wait;
		454	} else {
		455	Coro::schedule;
		456	}
270	};	457	}
271	$TICK_WATCHER->stop;	458	};
272	$guard	459
		460	sub get_slot($;$$) {
		461	return if tick_inhibit || $Coro::current == $Coro::main;
		462
		463	my ($time, $pri, $name) = @_;
		464
		465	$time = $TICK * .6 if $time > $TICK * .6;
		466	my $sig = new Coro::Signal;
		467
		468	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		469	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		470	$SLOT_QUEUE->ready;
		471	$sig->wait;
273	}	472	}
274		473
275	=item cf::async { BLOCK }	474	=item cf::async { BLOCK }
276		475
277	Currently the same as Coro::async_pool, meaning you cannot use	476	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		481
283	BEGIN { *async = \&Coro::async_pool }	482	BEGIN { *async = \&Coro::async_pool }
284		483
285	=item cf::sync_job { BLOCK }	484	=item cf::sync_job { BLOCK }
286		485
287	The design of crossfire+ requires that the main coro ($Coro::main) is	486	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	487	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	488	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		489	acceptable.
290		490
291	If it must be done, put the blocking parts into C<sync_job>. This will run	491	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	492	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	493	server will be frozen during this time, so the block should either finish
294	fast or be very important.	494	fast or be very important.
…		…
297		497
298	sub sync_job(&) {	498	sub sync_job(&) {
299	my ($job) = @_;	499	my ($job) = @_;
300		500
301	if ($Coro::current == $Coro::main) {	501	if ($Coro::current == $Coro::main) {
		502	my $time = EV::time;
		503
302	# this is the main coro, too bad, we have to block	504	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	505	# till the operation succeeds, freezing the server :/
304		506
305	# TODO: use suspend/resume instead	507	LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	508
307	my $freeze_guard = freeze_mainloop;	509	my $freeze_guard = freeze_mainloop;
308		510
309	my $busy = 1;	511	my $busy = 1;
310	my @res;	512	my @res;
311		513
312	(async {	514	(async {
		515	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	516	@res = eval { $job->() };
314	warn $@ if $@;	517	warn $@ if $@;
315	undef $busy;	518	undef $busy;
316	})->prio (Coro::PRIO_MAX);	519	})->prio (Coro::PRIO_MAX);
317		520
318	while ($busy) {	521	while ($busy) {
319	Coro::cede or Event::one_event;	522	if (Coro::nready) {
		523	Coro::cede_notself;
		524	} else {
		525	EV::loop EV::LOOP_ONESHOT;
320	}	526	}
		527	}
		528
		529	my $time = EV::time - $time;
		530
		531	$TICK_START += $time; # do not account sync jobs to server load
321		532
322	wantarray ? @res : $res[0]	533	wantarray ? @res : $res[0]
323	} else {	534	} else {
324	# we are in another coroutine, how wonderful, everything just works	535	# we are in another coroutine, how wonderful, everything just works
325		536
…		…
345	$EXT_CORO{$coro+0} = $coro;	556	$EXT_CORO{$coro+0} = $coro;
346		557
347	$coro	558	$coro
348	}	559	}
349		560
350	sub write_runtime {	561	=item fork_call { }, $args
351	my $guard = cf::lock_acquire "write_runtime";
352		562
353	my $runtime = cf::localdir . "/runtime";	563	Executes the given code block with the given arguments in a seperate
		564	process, returning the results. Everything must be serialisable with
		565	Coro::Storable. May, of course, block. Note that the executed sub may
		566	never block itself or use any form of event handling.
354		567
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	568	=cut
356	or return;
357		569
358	my $value = $cf::RUNTIME + 90 + 10;	570	sub fork_call(&@) {
359	# 10 is the runtime save interval, for a monotonic clock	571	my ($cb, @args) = @_;
360	# 60 allows for the watchdog to kill the server.
361		572
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	573	# we seemingly have to make a local copy of the whole thing,
363	and return;	574	# otherwise perl prematurely frees the stuff :/
		575	# TODO: investigate and fix (likely this will be rather laborious)
364		576
365	# always fsync - this file is important	577	my @res = Coro::Util::fork_eval {
366	aio_fsync $fh	578	reset_signals;
367	and return;	579	&$cb
		580	}, @args;
368		581
369	close $fh	582	wantarray ? @res : $res[-1]
370	or return;	583	}
371		584
372	aio_rename "$runtime~", $runtime	585	=item $coin = coin_from_name $name
373	and return;
374		586
		587	=cut
		588
		589	our %coin_alias = (
		590	"silver" => "silvercoin",
		591	"silvercoin" => "silvercoin",
		592	"silvercoins" => "silvercoin",
		593	"gold" => "goldcoin",
		594	"goldcoin" => "goldcoin",
		595	"goldcoins" => "goldcoin",
		596	"platinum" => "platinacoin",
		597	"platinumcoin" => "platinacoin",
		598	"platinumcoins" => "platinacoin",
		599	"platina" => "platinacoin",
		600	"platinacoin" => "platinacoin",
		601	"platinacoins" => "platinacoin",
		602	"royalty" => "royalty",
		603	"royalties" => "royalty",
		604	);
		605
		606	sub coin_from_name($) {
		607	$coin_alias{$_[0]}
		608	? cf::arch::find $coin_alias{$_[0]}
		609	: undef
		610	}
		611
		612	=item $value = cf::db_get $family => $key
		613
		614	Returns a single value from the environment database.
		615
		616	=item cf::db_put $family => $key => $value
		617
		618	Stores the given C<$value> in the family. It can currently store binary
		619	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		620
		621	=item $db = cf::db_table "name"
		622
		623	Create and/or open a new database table. The string must not be "db" and must be unique
		624	within each server.
		625
		626	=cut
		627
		628	sub db_table($) {
		629	my ($name) = @_;
		630	my $db = BDB::db_create $DB_ENV;
		631
		632	eval {
		633	$db->set_flags (BDB::CHKSUM);
		634
		635	utf8::encode $name;
		636	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		637	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		638	cf::cleanup "db_open(db): $!" if $!;
		639	};
		640	cf::cleanup "db_open(db): $@" if $@;
		641
		642	$db
		643	}
		644
		645	our $DB;
		646
		647	sub db_init {
		648	cf::sync_job {
		649	$DB ||= db_table "db";
		650	};
		651	}
		652
		653	sub db_get($$) {
		654	my $key = "$_[0]/$_[1]";
		655
		656	cf::sync_job {
		657	BDB::db_get $DB, undef, $key, my $data;
		658
		659	$! ? ()
		660	: $data
375	1	661	}
		662	}
		663
		664	sub db_put($$$) {
		665	BDB::dbreq_pri 4;
		666	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		667	}
		668
		669	=item cf::cache $id => [$paths...], $processversion => $process
		670
		671	Generic caching function that returns the value of the resource $id,
		672	caching and regenerating as required.
		673
		674	This function can block.
		675
		676	=cut
		677
		678	sub cache {
		679	my ($id, $src, $processversion, $process) = @_;
		680
		681	my $meta =
		682	join "\x00",
		683	$processversion,
		684	map {
		685	aio_stat $_
		686	and Carp::croak "$_: $!";
		687
		688	($_, (stat _)[7,9])
		689	} @$src;
		690
		691	my $dbmeta = db_get cache => "$id/meta";
		692	if ($dbmeta ne $meta) {
		693	# changed, we may need to process
		694
		695	my @data;
		696	my $md5;
		697
		698	for (0 .. $#$src) {
		699	0 <= aio_load $src->[$_], $data[$_]
		700	or Carp::croak "$src->[$_]: $!";
		701	}
		702
		703	# if processing is expensive, check
		704	# checksum first
		705	if (1) {
		706	$md5 =
		707	join "\x00",
		708	$processversion,
		709	map {
		710	cf::cede_to_tick;
		711	($src->[$_], Digest::MD5::md5_hex $data[$_])
		712	} 0.. $#$src;
		713
		714
		715	my $dbmd5 = db_get cache => "$id/md5";
		716	if ($dbmd5 eq $md5) {
		717	db_put cache => "$id/meta", $meta;
		718
		719	return db_get cache => "$id/data";
		720	}
		721	}
		722
		723	my $t1 = Time::HiRes::time;
		724	my $data = $process->(\@data);
		725	my $t2 = Time::HiRes::time;
		726
		727	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		728
		729	db_put cache => "$id/data", $data;
		730	db_put cache => "$id/md5" , $md5;
		731	db_put cache => "$id/meta", $meta;
		732
		733	return $data;
		734	}
		735
		736	db_get cache => "$id/data"
376	}	737	}
377		738
378	=item cf::datalog type => key => value, ...	739	=item cf::datalog type => key => value, ...
379		740
380	Log a datalog packet of the given type with the given key-value pairs.	741	Log a datalog packet of the given type with the given key-value pairs.
…		…
392		753
393	#############################################################################	754	#############################################################################
394		755
395	=head2 ATTACHABLE OBJECTS	756	=head2 ATTACHABLE OBJECTS
396		757
397	Many objects in crossfire are so-called attachable objects. That means you can	758	Many objects in deliantra are so-called attachable objects. That means you can
398	attach callbacks/event handlers (a collection of which is called an "attachment")	759	attach callbacks/event handlers (a collection of which is called an "attachment")
399	to it. All such attachable objects support the following methods.	760	to it. All such attachable objects support the following methods.
400		761
401	In the following description, CLASS can be any of C<global>, C<object>	762	In the following description, CLASS can be any of C<global>, C<object>
402	C<player>, C<client> or C<map> (i.e. the attachable objects in	763	C<player>, C<client> or C<map> (i.e. the attachable objects in
403	crossfire+).	764	Deliantra).
404		765
405	=over 4	766	=over 4
406		767
407	=item $attachable->attach ($attachment, key => $value...)	768	=item $attachable->attach ($attachment, key => $value...)
408		769
…		…
452	=item cf::CLASS::attachment $name, ...	813	=item cf::CLASS::attachment $name, ...
453		814
454	Register an attachment by C<$name> through which attachable objects of the	815	Register an attachment by C<$name> through which attachable objects of the
455	given CLASS can refer to this attachment.	816	given CLASS can refer to this attachment.
456		817
457	Some classes such as crossfire maps and objects can specify attachments	818	Some classes such as deliantra maps and objects can specify attachments
458	that are attached at load/instantiate time, thus the need for a name.	819	that are attached at load/instantiate time, thus the need for a name.
459		820
460	These calls expect any number of the following handler/hook descriptions:	821	These calls expect any number of the following handler/hook descriptions:
461		822
462	=over 4	823	=over 4
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	932	$registry = $CB_TYPE[$object_type] ||= [];
572		933
573	} elsif ($type eq "subtype") {	934	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	935	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	936	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	937	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		938
578	} elsif ($type eq "package") {	939	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	940	my $pkg = shift @arg;
580		941
581	while (my ($name, $id) = each %cb_id) {	942	while (my ($name, $id) = each %cb_id) {
…		…
610	_attach $registry, $klass, @attach;	971	_attach $registry, $klass, @attach;
611	}	972	}
612		973
613	$obj->{$name} = \%arg;	974	$obj->{$name} = \%arg;
614	} else {	975	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	976	warn "object uses attachment '$name' which is not available, postponing.\n";
616	}	977	}
617		978
618	$obj->{_attachment}{$name} = undef;	979	$obj->{_attachment}{$name} = undef;
619	}	980	}
620		981
…		…
622	if (ref $_[0]) {	983	if (ref $_[0]) {
623	_object_attach @_;	984	_object_attach @_;
624	} else {	985	} else {
625	_attach shift->_attach_registry, @_;	986	_attach shift->_attach_registry, @_;
626	}	987	}
		988	_recalc_want;
627	};	989	};
628		990
629	# all those should be optimised	991	# all those should be optimised
630	sub cf::attachable::detach {	992	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	993	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	996	delete $obj->{_attachment}{$name};
635	reattach ($obj);	997	reattach ($obj);
636	} else {	998	} else {
637	Carp::croak "cannot, currently, detach class attachments";	999	Carp::croak "cannot, currently, detach class attachments";
638	}	1000	}
		1001	_recalc_want;
639	};	1002	};
640		1003
641	sub cf::attachable::attached {	1004	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	1005	my ($obj, $name) = @_;
643		1006
…		…
658	";	1021	";
659	die if $@;	1022	die if $@;
660	}	1023	}
661		1024
662	our $override;	1025	our $override;
663	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1026	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
664		1027
665	sub override {	1028	sub override {
666	$override = 1;	1029	$override = 1;
667	@invoke_results = ();	1030	@INVOKE_RESULTS = (@_);
668	}	1031	}
669		1032
670	sub do_invoke {	1033	sub do_invoke {
671	my $event = shift;	1034	my $event = shift;
672	my $callbacks = shift;	1035	my $callbacks = shift;
673		1036
674	@invoke_results = ();	1037	@INVOKE_RESULTS = ();
675		1038
676	local $override;	1039	local $override;
677		1040
678	for (@$callbacks) {	1041	for (@$callbacks) {
679	eval { &{$_->[1]} };	1042	eval { &{$_->[1]} };
…		…
688	}	1051	}
689		1052
690	0	1053	0
691	}	1054	}
692		1055
693	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1056	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
694		1057
695	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1058	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
696		1059
697	Generate an object-specific event with the given arguments.	1060	Generate an object-specific event with the given arguments.
698		1061
699	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1062	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
700	removed in future versions), and there is no public API to access override	1063	removed in future versions), and there is no public API to access override
701	results (if you must, access C<@cf::invoke_results> directly).	1064	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		1065
703	=back	1066	=back
704		1067
705	=cut	1068	=cut
706		1069
707	#############################################################################	1070	#############################################################################
708	# object support	1071	# object support
		1072
		1073	sub _object_equal($$);
		1074	sub _object_equal($$) {
		1075	my ($a, $b) = @_;
		1076
		1077	return 0 unless (ref $a) eq (ref $b);
		1078
		1079	if ("HASH" eq ref $a) {
		1080	my @ka = keys %$a;
		1081	my @kb = keys %$b;
		1082
		1083	return 0 if @ka != @kb;
		1084
		1085	for (0 .. $#ka) {
		1086	return 0 unless $ka[$_] eq $kb[$_];
		1087	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1088	}
		1089
		1090	} elsif ("ARRAY" eq ref $a) {
		1091
		1092	return 0 if @$a != @$b;
		1093
		1094	for (0 .. $#$a) {
		1095	return 0 unless _object_equal $a->[$_], $b->[$_];
		1096	}
		1097
		1098	} elsif ($a ne $b) {
		1099	return 0;
		1100	}
		1101
		1102	1
		1103	}
		1104
		1105	our $SLOW_MERGES;#d#
		1106	sub _can_merge {
		1107	my ($ob1, $ob2) = @_;
		1108
		1109	++$SLOW_MERGES;#d#
		1110
		1111	# we do the slow way here
		1112	return _object_equal $ob1, $ob2
		1113	}
709		1114
710	sub reattach {	1115	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	1116	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	1117	my ($obj) = @_;
713		1118
		1119	# no longer needed after getting rid of delete_package?
714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1120	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
715		1121
716	my $registry = $obj->registry;	1122	my $registry = $obj->registry;
717		1123
718	@$registry = ();	1124	@$registry = ();
719		1125
…		…
734	cf::attachable->attach (	1140	cf::attachable->attach (
735	prio => -1000000,	1141	prio => -1000000,
736	on_instantiate => sub {	1142	on_instantiate => sub {
737	my ($obj, $data) = @_;	1143	my ($obj, $data) = @_;
738		1144
739	$data = from_json $data;	1145	$data = decode_json $data;
740		1146
741	for (@$data) {	1147	for (@$data) {
742	my ($name, $args) = @$_;	1148	my ($name, $args) = @$_;
743		1149
744	$obj->attach ($name, %{$args || {} });	1150	$obj->attach ($name, %{$args || {} });
…		…
760	sub object_freezer_save {	1166	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1167	my ($filename, $rdata, $objs) = @_;
762		1168
763	sync_job {	1169	sync_job {
764	if (length $$rdata) {	1170	if (length $$rdata) {
		1171	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1172	warn sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1173	$decname, length $$rdata, scalar @$objs;
767		1174
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1175	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1176	aio_chmod $fh, SAVE_MODE;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1177	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	aio_fsync $fh if $cf::USE_FSYNC;	1178	aio_fsync $fh if $cf::USE_FSYNC;
772	close $fh;	1179	aio_close $fh;
773		1180
774	if (@$objs) {	1181	if (@$objs) {
775	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1182	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
776	chmod SAVE_MODE, $fh;	1183	aio_chmod $fh, SAVE_MODE;
777	my $data = Storable::nfreeze { version => 1, objs => $objs };	1184	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
778	aio_write $fh, 0, (length $data), $data, 0;	1185	aio_write $fh, 0, (length $data), $data, 0;
779	aio_fsync $fh if $cf::USE_FSYNC;	1186	aio_fsync $fh if $cf::USE_FSYNC;
780	close $fh;	1187	aio_close $fh;
781	aio_rename "$filename.pst~", "$filename.pst";	1188	aio_rename "$filename.pst~", "$filename.pst";
782	}	1189	}
783	} else {	1190	} else {
784	aio_unlink "$filename.pst";	1191	aio_unlink "$filename.pst";
785	}	1192	}
786		1193
787	aio_rename "$filename~", $filename;	1194	aio_rename "$filename~", $filename;
		1195
		1196	$filename =~ s%/[^/]+$%%;
		1197	aio_pathsync $filename if $cf::USE_FSYNC;
788	} else {	1198	} else {
789	warn "FATAL: $filename~: $!\n";	1199	warn "FATAL: $filename~: $!\n";
790	}	1200	}
791	} else {	1201	} else {
792	aio_unlink $filename;	1202	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1203	aio_unlink "$filename.pst";
794	}	1204	}
795	}	1205	};
796	}	1206	}
797		1207
798	sub object_freezer_as_string {	1208	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1209	my ($rdata, $objs) = @_;
800		1210
…		…
812	or return;	1222	or return;
813		1223
814	unless (aio_stat "$filename.pst") {	1224	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1225	(aio_load "$filename.pst", $av) >= 0
816	or return;	1226	or return;
		1227
817	$av = eval { (Storable::thaw $av)->{objs} };	1228	my $st = eval { Coro::Storable::thaw $av };
		1229	$av = $st->{objs};
818	}	1230	}
819		1231
		1232	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1233	warn sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1234	$decname, length $data, scalar @{$av || []};
		1235
822	return ($data, $av);	1236	($data, $av)
823	}	1237	}
		1238
		1239	=head2 COMMAND CALLBACKS
		1240
		1241	=over 4
		1242
		1243	=cut
824		1244
825	#############################################################################	1245	#############################################################################
826	# command handling &c	1246	# command handling &c
827		1247
828	=item cf::register_command $name => \&callback($ob,$args);	1248	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1261	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1262	}
843		1263
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1264	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1265
846	Register a callbackf ro execution when the client sends an extcmd packet.	1266	Register a callback for execution when the client sends an (synchronous)
		1267	extcmd packet. Ext commands will be processed in the order they are
		1268	received by the server, like other user commands. The first argument is
		1269	the logged-in player. Ext commands can only be processed after a player
		1270	has logged in successfully.
847		1271
848	If the callback returns something, it is sent back as if reply was being	1272	If the callback returns something, it is sent back as if reply was being
849	called.	1273	called.
850		1274
		1275	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1276
		1277	Register a callback for execution when the client sends an (asynchronous)
		1278	exticmd packet. Exti commands are processed by the server as soon as they
		1279	are received, i.e. out of order w.r.t. other commands. The first argument
		1280	is a client socket. Exti commands can be received anytime, even before
		1281	log-in.
		1282
		1283	If the callback returns something, it is sent back as if reply was being
		1284	called.
		1285
851	=cut	1286	=cut
852		1287
853	sub register_extcmd {	1288	sub register_extcmd {
854	my ($name, $cb) = @_;	1289	my ($name, $cb) = @_;
855		1290
856	$EXTCMD{$name} = $cb;	1291	$EXTCMD{$name} = $cb;
857	}	1292	}
		1293
		1294	sub register_exticmd {
		1295	my ($name, $cb) = @_;
		1296
		1297	$EXTICMD{$name} = $cb;
		1298	}
		1299
		1300	use File::Glob ();
858		1301
859	cf::player->attach (	1302	cf::player->attach (
860	on_command => sub {	1303	on_command => sub {
861	my ($pl, $name, $params) = @_;	1304	my ($pl, $name, $params) = @_;
862		1305
…		…
870	cf::override;	1313	cf::override;
871	},	1314	},
872	on_extcmd => sub {	1315	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1316	my ($pl, $buf) = @_;
874		1317
875	my $msg = eval { from_json $buf };	1318	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1319
877	if (ref $msg) {	1320	if (ref $msg) {
		1321	my ($type, $reply, @payload) =
		1322	"ARRAY" eq ref $msg
		1323	? @$msg
		1324	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1325
		1326	my @reply;
		1327
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1328	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1329	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1330	}
		1331
		1332	$pl->ext_reply ($reply, @reply)
		1333	if $reply;
		1334
883	} else {	1335	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1336	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1337	}
886		1338
887	cf::override;	1339	cf::override;
888	},	1340	},
889	);	1341	);
890		1342
		1343	# "readahead" all extensions
891	sub load_extension {	1344	sub cache_extensions {
892	my ($path) = @_;	1345	my $grp = IO::AIO::aio_group;
893		1346
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1347	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
895	my $base = $1;	1348	for (grep /\.ext$/, @{$_[0]}) {
896	my $pkg = $1;	1349	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}	1350	}
919	die $@;
920	}	1351	};
921		1352
922	push @EXTS, $pkg;	1353	$grp
923	}	1354	}
924		1355
925	sub load_extensions {	1356	sub load_extensions {
		1357	cf::sync_job {
		1358	my %todo;
		1359
926	for my $ext (<$LIBDIR/*.ext>) {	1360	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1361	next unless -r $path;
928	eval {	1362
929	load_extension $ext;	1363	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1364	my $base = $1;
		1365	my $pkg = $1;
		1366	$pkg =~ s/[^[:word:]]/_/g;
		1367	$pkg = "ext::$pkg";
		1368
		1369	open my $fh, "<:utf8", $path
		1370	or die "$path: $!";
		1371
		1372	my $source = do { local $/; <$fh> };
		1373
		1374	my %ext = (
		1375	path => $path,
		1376	base => $base,
		1377	pkg => $pkg,
		1378	);
		1379
		1380	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1381	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1382
		1383	$ext{source} =
		1384	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1385	. "#line 1 \"$path\"\n{\n"
		1386	. $source
		1387	. "\n};\n1";
		1388
		1389	$todo{$base} = \%ext;
		1390	}
		1391
		1392	my %done;
		1393	while (%todo) {
		1394	my $progress;
		1395
		1396	while (my ($k, $v) = each %todo) {
		1397	for (split /,\s*/, $v->{meta}{depends}) {
		1398	goto skip
		1399	unless exists $done{$_};
		1400	}
		1401
		1402	warn "... loading '$k' into '$v->{pkg}'\n";
		1403
		1404	unless (eval $v->{source}) {
		1405	my $msg = $@ ? "$v->{path}: $@\n"
		1406	: "$v->{base}: extension inactive.\n";
		1407
		1408	if (exists $v->{meta}{mandatory}) {
		1409	warn $msg;
		1410	cf::cleanup "mandatory extension failed to load, exiting.";
		1411	}
		1412
		1413	warn $msg;
		1414	}
		1415
		1416	$done{$k} = delete $todo{$k};
		1417	push @EXTS, $v->{pkg};
		1418	$progress = 1;
930	1	1419	}
931	} or warn "$ext not loaded: $@";	1420
		1421	skip:
		1422	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1423	unless $progress;
		1424	}
932	}	1425	};
933	}	1426	}
934		1427
935	#############################################################################	1428	#############################################################################
936		1429
		1430	=back
		1431
937	=head2 CORE EXTENSIONS	1432	=head2 CORE EXTENSIONS
938		1433
939	Functions and methods that extend core crossfire objects.	1434	Functions and methods that extend core deliantra objects.
940		1435
941	=cut	1436	=cut
942		1437
943	package cf::player;	1438	package cf::player;
944		1439
…		…
946		1441
947	=head3 cf::player	1442	=head3 cf::player
948		1443
949	=over 4	1444	=over 4
950		1445
		1446	=item cf::player::num_playing
		1447
		1448	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1449
		1450	=cut
		1451
		1452	sub num_playing {
		1453	scalar grep
		1454	$_->ob->map
		1455	&& !$_->hidden
		1456	&& !$_->ob->flag (cf::FLAG_WIZ),
		1457	cf::player::list
		1458	}
		1459
951	=item cf::player::find $login	1460	=item cf::player::find $login
952		1461
953	Returns the given player object, loading it if necessary (might block).	1462	Returns the given player object, loading it if necessary (might block).
954		1463
955	=cut	1464	=cut
956		1465
957	sub playerdir($) {	1466	sub playerdir($) {
958	cf::localdir	1467	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1468	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1469	}
964		1470
965	sub path($) {	1471	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1472	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1473
968	(playerdir $login) . "/$login.pl"	1474	(playerdir $login) . "/playerdata"
969	}	1475	}
970		1476
971	sub find_active($) {	1477	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1478	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1479	and $cf::PLAYER{$_[0]}->active
…		…
976		1482
977	sub exists($) {	1483	sub exists($) {
978	my ($login) = @_;	1484	my ($login) = @_;
979		1485
980	$cf::PLAYER{$login}	1486	$cf::PLAYER{$login}
981	or cf::sync_job { !aio_stat path $login }	1487	or !aio_stat path $login
982	}	1488	}
983		1489
984	sub find($) {	1490	sub find($) {
985	return $cf::PLAYER{$_[0]} || do {	1491	return $cf::PLAYER{$_[0]} || do {
986	my $login = $_[0];	1492	my $login = $_[0];
987		1493
988	my $guard = cf::lock_acquire "user_find:$login";	1494	my $guard = cf::lock_acquire "user_find:$login";
989		1495
990	$cf::PLAYER{$_[0]} || do {	1496	$cf::PLAYER{$_[0]} || do {
991	my $pl = load_pl path $login	1497	# rename old playerfiles to new ones
		1498	#TODO: remove when no longer required
		1499	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1500	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1501	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1502	aio_unlink +(playerdir $login) . "/$login.pl";
		1503
		1504	my $f = new_from_file cf::object::thawer path $login
992	or return;	1505	or return;
		1506
		1507	my $pl = cf::player::load_pl $f
		1508	or return;
		1509
		1510	local $cf::PLAYER_LOADING{$login} = $pl;
		1511	$f->resolve_delayed_derefs;
993	$cf::PLAYER{$login} = $pl	1512	$cf::PLAYER{$login} = $pl
994	}	1513	}
995	}	1514	}
996	}	1515	}
997		1516
…		…
1006	return if $pl->{deny_save};	1525	return if $pl->{deny_save};
1007		1526
1008	aio_mkdir playerdir $pl, 0770;	1527	aio_mkdir playerdir $pl, 0770;
1009	$pl->{last_save} = $cf::RUNTIME;	1528	$pl->{last_save} = $cf::RUNTIME;
1010		1529
		1530	cf::get_slot 0.01;
		1531
1011	$pl->save_pl ($path);	1532	$pl->save_pl ($path);
1012	Coro::cede;	1533	cf::cede_to_tick;
1013	}	1534	}
1014		1535
1015	sub new($) {	1536	sub new($) {
1016	my ($login) = @_;	1537	my ($login) = @_;
1017		1538
…		…
1023	$cf::PLAYER{$login} = $self;	1544	$cf::PLAYER{$login} = $self;
1024		1545
1025	$self	1546	$self
1026	}	1547	}
1027		1548
		1549	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1550
		1551	=cut
		1552
		1553	sub send_msg {
		1554	my $ns = shift->ns
		1555	or return;
		1556	$ns->send_msg (@_);
		1557	}
		1558
1028	=item $pl->quit_character	1559	=item $pl->quit_character
1029		1560
1030	Nukes the player without looking back. If logged in, the connection will	1561	Nukes the player without looking back. If logged in, the connection will
1031	be destroyed. May block for a long time.	1562	be destroyed. May block for a long time.
1032		1563
…		…
1036	my ($pl) = @_;	1567	my ($pl) = @_;
1037		1568
1038	my $name = $pl->ob->name;	1569	my $name = $pl->ob->name;
1039		1570
1040	$pl->{deny_save} = 1;	1571	$pl->{deny_save} = 1;
1041	$pl->password ("*"); # this should lock out the player until we nuked the dir	1572	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1042		1573
1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1574	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1044	$pl->deactivate;	1575	$pl->deactivate;
		1576	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1577	$pl->ob->check_score;
1045	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1578	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1046	$pl->ns->destroy if $pl->ns;	1579	$pl->ns->destroy if $pl->ns;
1047		1580
1048	my $path = playerdir $pl;	1581	my $path = playerdir $pl;
1049	my $temp = "$path~$cf::RUNTIME~deleting~";	1582	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1079	while and may block, so not sync_job-capable, ever.	1612	while and may block, so not sync_job-capable, ever.
1080		1613
1081	=cut	1614	=cut
1082		1615
1083	sub list_logins {	1616	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1617	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1618	or return [];
1086		1619
1087	my @logins;	1620	my @logins;
1088		1621
1089	for my $login (@$dirs) {	1622	for my $login (@$dirs) {
		1623	my $path = path $login;
		1624
		1625	# a .pst is a dead give-away for a valid player
		1626	# if no pst file found, open and chekc for blocked users
		1627	if (aio_stat "$path.pst") {
1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1628	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1091	aio_read $fh, 0, 512, my $buf, 0 or next;	1629	aio_read $fh, 0, 512, my $buf, 0 or next;
1092	$buf !~ /^password -------------$/m or next; # official not-valid tag	1630	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1631	}
1093		1632
1094	utf8::decode $login;	1633	utf8::decode $login;
1095	push @logins, $login;	1634	push @logins, $login;
1096	}	1635	}
1097		1636
…		…
1124	}	1663	}
1125		1664
1126	\@paths	1665	\@paths
1127	}	1666	}
1128		1667
		1668	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1669
		1670	Expand deliantra pod fragments into protocol xml.
		1671
1129	=item $player->ext_reply ($msgid, %msg)	1672	=item $player->ext_reply ($msgid, @msg)
1130		1673
1131	Sends an ext reply to the player.	1674	Sends an ext reply to the player.
1132		1675
1133	=cut	1676	=cut
1134		1677
1135	sub ext_reply($$%) {	1678	sub ext_reply($$@) {
1136	my ($self, $id, %msg) = @_;	1679	my ($self, $id, @msg) = @_;
1137		1680
1138	$msg{msgid} = $id;	1681	$self->ns->ext_reply ($id, @msg)
1139
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1682	}
1142		1683
1143	=item $player->ext_event ($type, %msg)	1684	=item $player->ext_msg ($type, @msg)
1144		1685
1145	Sends an ext event to the client.	1686	Sends an ext event to the client.
1146		1687
1147	=cut	1688	=cut
1148		1689
1149	sub ext_event($$%) {	1690	sub ext_msg($$@) {
1150	my ($self, $type, %msg) = @_;	1691	my ($self, $type, @msg) = @_;
1151		1692
1152	$self->ns->ext_event ($type, %msg);	1693	$self->ns->ext_msg ($type, @msg);
1153	}	1694	}
1154		1695
1155	package cf;	1696	=head3 cf::region
		1697
		1698	=over 4
		1699
		1700	=cut
		1701
		1702	package cf::region;
		1703
		1704	=item cf::region::find_by_path $path
		1705
		1706	Tries to decuce the likely region for a map knowing only its path.
		1707
		1708	=cut
		1709
		1710	sub find_by_path($) {
		1711	my ($path) = @_;
		1712
		1713	my ($match, $specificity);
		1714
		1715	for my $region (list) {
		1716	if ($region->{match} && $path =~ $region->{match}) {
		1717	($match, $specificity) = ($region, $region->specificity)
		1718	if $region->specificity > $specificity;
		1719	}
		1720	}
		1721
		1722	$match
		1723	}
1156		1724
1157	=back	1725	=back
1158
1159		1726
1160	=head3 cf::map	1727	=head3 cf::map
1161		1728
1162	=over 4	1729	=over 4
1163		1730
…		…
1175	our $MAX_RESET = 3600;	1742	our $MAX_RESET = 3600;
1176	our $DEFAULT_RESET = 3000;	1743	our $DEFAULT_RESET = 3000;
1177		1744
1178	sub generate_random_map {	1745	sub generate_random_map {
1179	my ($self, $rmp) = @_;	1746	my ($self, $rmp) = @_;
		1747
		1748	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1749
1180	# mit "rum" bekleckern, nicht	1750	# mit "rum" bekleckern, nicht
1181	$self->_create_random_map (	1751	$self->_create_random_map (
1182	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1752	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1183	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1753	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1184	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1754	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1218	my ($self, $merge) = @_;	1788	my ($self, $merge) = @_;
1219		1789
1220	# we have to keep some variables in memory intact	1790	# we have to keep some variables in memory intact
1221	local $self->{path};	1791	local $self->{path};
1222	local $self->{load_path};	1792	local $self->{load_path};
1223	local $self->{deny_save};
1224	local $self->{deny_reset};
1225		1793
1226	$self->SUPER::thawer_merge ($merge);	1794	$self->SUPER::thawer_merge ($merge);
1227	}	1795	}
1228		1796
1229	sub normalise {	1797	sub normalise {
…		…
1276	$self->init; # pass $1 etc.	1844	$self->init; # pass $1 etc.
1277	return $self;	1845	return $self;
1278	}	1846	}
1279	}	1847	}
1280		1848
1281	Carp::carp "unable to resolve path '$path' (base '$base').";	1849	Carp::cluck "unable to resolve path '$path' (base '$base').";
1282	()	1850	()
1283	}	1851	}
1284		1852
1285	sub init {	1853	sub init {
1286	my ($self) = @_;	1854	my ($self) = @_;
…		…
1301		1869
1302	# the original (read-only) location	1870	# the original (read-only) location
1303	sub load_path {	1871	sub load_path {
1304	my ($self) = @_;	1872	my ($self) = @_;
1305		1873
1306	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1874	"$MAPDIR/$self->{path}.map"
1307	}	1875	}
1308		1876
1309	# the temporary/swap location	1877	# the temporary/swap location
1310	sub save_path {	1878	sub save_path {
1311	my ($self) = @_;	1879	my ($self) = @_;
1312		1880
1313	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1881	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1314	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1882	"$TMPDIR/$path.map"
1315	}	1883	}
1316		1884
1317	# the unique path, undef == no special unique path	1885	# the unique path, undef == no special unique path
1318	sub uniq_path {	1886	sub uniq_path {
1319	my ($self) = @_;	1887	my ($self) = @_;
1320		1888
1321	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1889	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1322	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1890	"$UNIQUEDIR/$path"
1323	}	1891	}
1324		1892
1325	# and all this just because we cannot iterate over	1893	# and all this just because we cannot iterate over
1326	# all maps in C++...	1894	# all maps in C++...
1327	sub change_all_map_light {	1895	sub change_all_map_light {
…		…
1329		1897
1330	$_->change_map_light ($change)	1898	$_->change_map_light ($change)
1331	for grep $_->outdoor, values %cf::MAP;	1899	for grep $_->outdoor, values %cf::MAP;
1332	}	1900	}
1333		1901
		1902	sub decay_objects {
		1903	my ($self) = @_;
		1904
		1905	return if $self->{deny_reset};
		1906
		1907	$self->do_decay_objects;
		1908	}
		1909
1334	sub unlink_save {	1910	sub unlink_save {
1335	my ($self) = @_;	1911	my ($self) = @_;
1336		1912
1337	utf8::encode (my $save = $self->save_path);	1913	utf8::encode (my $save = $self->save_path);
1338	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1914	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1341		1917
1342	sub load_header_from($) {	1918	sub load_header_from($) {
1343	my ($self, $path) = @_;	1919	my ($self, $path) = @_;
1344		1920
1345	utf8::encode $path;	1921	utf8::encode $path;
1346	#aio_open $path, O_RDONLY, 0	1922	my $f = new_from_file cf::object::thawer $path
1347	# or return;
1348
1349	$self->_load_header ($path)
1350	or return;	1923	or return;
		1924
		1925	$self->_load_header ($f)
		1926	or return;
		1927
		1928	local $MAP_LOADING{$self->{path}} = $self;
		1929	$f->resolve_delayed_derefs;
1351		1930
1352	$self->{load_path} = $path;	1931	$self->{load_path} = $path;
1353		1932
1354	1	1933	1
1355	}	1934	}
…		…
1394	$self->load_header_orig	1973	$self->load_header_orig
1395	or return;	1974	or return;
1396	$self->prepare_orig;	1975	$self->prepare_orig;
1397	}	1976	}
1398		1977
		1978	$self->{deny_reset} = 1
		1979	if $self->no_reset;
		1980
		1981	$self->default_region (cf::region::find_by_path $self->{path})
		1982	unless $self->default_region;
		1983
1399	1	1984	1
1400	}	1985	}
1401		1986
1402	sub find;	1987	sub find;
1403	sub find {	1988	sub find {
1404	my ($path, $origin) = @_;	1989	my ($path, $origin) = @_;
1405		1990
1406	$path = normalise $path, $origin && $origin->path;	1991	$path = normalise $path, $origin && $origin->path;
1407		1992
		1993	cf::lock_wait "map_data:$path";#d#remove
1408	cf::lock_wait "map_find:$path";	1994	cf::lock_wait "map_find:$path";
1409		1995
1410	$cf::MAP{$path} || do {	1996	$cf::MAP{$path} || do {
		1997	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1411	my $guard = cf::lock_acquire "map_find:$path";	1998	my $guard2 = cf::lock_acquire "map_find:$path";
		1999
1412	my $map = new_from_path cf::map $path	2000	my $map = new_from_path cf::map $path
1413	or return;	2001	or return;
1414		2002
1415	$map->{last_save} = $cf::RUNTIME;	2003	$map->{last_save} = $cf::RUNTIME;
1416		2004
1417	$map->load_header	2005	$map->load_header
1418	or return;	2006	or return;
1419		2007
1420	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2008	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1421	# doing this can freeze the server in a sync job, obviously	2009	# doing this can freeze the server in a sync job, obviously
1422	#$cf::WAIT_FOR_TICK->wait;	2010	#$cf::WAIT_FOR_TICK->wait;
		2011	undef $guard2;
		2012	undef $guard1;
1423	$map->reset;	2013	$map->reset;
1424	undef $guard;
1425	return find $path;	2014	return find $path;
1426	}	2015	}
1427		2016
1428	$cf::MAP{$path} = $map	2017	$cf::MAP{$path} = $map
1429	}	2018	}
…		…
1436	my ($self) = @_;	2025	my ($self) = @_;
1437		2026
1438	local $self->{deny_reset} = 1; # loading can take a long time	2027	local $self->{deny_reset} = 1; # loading can take a long time
1439		2028
1440	my $path = $self->{path};	2029	my $path = $self->{path};
		2030
		2031	{
1441	my $guard = cf::lock_acquire "map_load:$path";	2032	my $guard = cf::lock_acquire "map_data:$path";
1442		2033
		2034	return unless $self->valid;
1443	return if $self->in_memory != cf::MAP_SWAPPED;	2035	return unless $self->in_memory == cf::MAP_SWAPPED;
1444		2036
1445	$self->in_memory (cf::MAP_LOADING);	2037	$self->in_memory (cf::MAP_LOADING);
1446		2038
1447	$self->alloc;	2039	$self->alloc;
1448		2040
1449	$self->pre_load;	2041	$self->pre_load;
		2042	cf::cede_to_tick;
1450		2043
1451	$self->_load_objects ($self->{load_path}, 1)	2044	my $f = new_from_file cf::object::thawer $self->{load_path};
		2045	$f->skip_block;
		2046	$self->_load_objects ($f)
1452	or return;	2047	or return;
1453		2048
1454	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2049	$self->post_load_original
1455	if delete $self->{load_original};	2050	if delete $self->{load_original};
1456		2051
1457	if (my $uniq = $self->uniq_path) {	2052	if (my $uniq = $self->uniq_path) {
1458	utf8::encode $uniq;	2053	utf8::encode $uniq;
1459	if (aio_open $uniq, O_RDONLY, 0) {	2054	unless (aio_stat $uniq) {
		2055	if (my $f = new_from_file cf::object::thawer $uniq) {
1460	$self->clear_unique_items;	2056	$self->clear_unique_items;
1461	$self->_load_objects ($uniq, 0);	2057	$self->_load_objects ($f);
		2058	$f->resolve_delayed_derefs;
		2059	}
1462	}	2060	}
1463	}	2061	}
1464		2062
1465	Coro::cede;	2063	$f->resolve_delayed_derefs;
1466		2064
		2065	cf::cede_to_tick;
1467	# now do the right thing for maps	2066	# now do the right thing for maps
1468	$self->link_multipart_objects;	2067	$self->link_multipart_objects;
1469
1470	unless ($self->{deny_activate}) {
1471	$self->decay_objects;
1472	$self->fix_auto_apply;
1473	$self->update_buttons;
1474	Coro::cede;
1475	$self->set_darkness_map;
1476	$self->difficulty ($self->estimate_difficulty)	2068	$self->difficulty ($self->estimate_difficulty)
1477	unless $self->difficulty;	2069	unless $self->difficulty;
1478	Coro::cede;	2070	cf::cede_to_tick;
		2071
		2072	unless ($self->{deny_activate}) {
		2073	$self->decay_objects;
		2074	$self->fix_auto_apply;
		2075	$self->update_buttons;
		2076	cf::cede_to_tick;
		2077	$self->set_darkness_map;
		2078	cf::cede_to_tick;
1479	$self->activate;	2079	$self->activate;
		2080	}
		2081
		2082	$self->{last_save} = $cf::RUNTIME;
		2083	$self->last_access ($cf::RUNTIME);
		2084
		2085	$self->in_memory (cf::MAP_ACTIVE);
1480	}	2086	}
1481		2087
1482	$self->post_load;	2088	$self->post_load;
1483
1484	$self->in_memory (cf::MAP_IN_MEMORY);
1485	}	2089	}
1486		2090
1487	sub customise_for {	2091	sub customise_for {
1488	my ($self, $ob) = @_;	2092	my ($self, $ob) = @_;
1489		2093
1490	return find "~" . $ob->name . "/" . $self->{path}	2094	return find "~" . $ob->name . "/" . $self->{path}
1491	if $self->per_player;	2095	if $self->per_player;
1492		2096
		2097	# return find "?party/" . $ob->name . "/" . $self->{path}
		2098	# if $self->per_party;
		2099
1493	$self	2100	$self
1494	}	2101	}
1495		2102
1496	# find and load all maps in the 3x3 area around a map	2103	# find and load all maps in the 3x3 area around a map
1497	sub load_diag {	2104	sub load_neighbours {
1498	my ($map) = @_;	2105	my ($map) = @_;
1499		2106
1500	my @diag; # diagonal neighbours	2107	my @neigh; # diagonal neighbours
1501		2108
1502	for (0 .. 3) {	2109	for (0 .. 3) {
1503	my $neigh = $map->tile_path ($_)	2110	my $neigh = $map->tile_path ($_)
1504	or next;	2111	or next;
1505	$neigh = find $neigh, $map	2112	$neigh = find $neigh, $map
1506	or next;	2113	or next;
1507	$neigh->load;	2114	$neigh->load;
1508		2115
		2116	push @neigh,
1509	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2117	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1510	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2118	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1511	}	2119	}
1512		2120
1513	for (@diag) {	2121	for (grep defined $_->[0], @neigh) {
		2122	my ($path, $origin) = @$_;
1514	my $neigh = find @$_	2123	my $neigh = find $path, $origin
1515	or next;	2124	or next;
1516	$neigh->load;	2125	$neigh->load;
1517	}	2126	}
1518	}	2127	}
1519		2128
…		…
1524	}	2133	}
1525		2134
1526	sub do_load_sync {	2135	sub do_load_sync {
1527	my ($map) = @_;	2136	my ($map) = @_;
1528		2137
		2138	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2139	if $Coro::current == $Coro::main;
		2140
1529	cf::sync_job { $map->load };	2141	cf::sync_job { $map->load };
1530	}	2142	}
1531		2143
1532	our %MAP_PREFETCH;	2144	our %MAP_PREFETCH;
1533	our $MAP_PREFETCHER = undef;	2145	our $MAP_PREFETCHER = undef;
1534		2146
1535	sub find_async {	2147	sub find_async {
1536	my ($path, $origin) = @_;	2148	my ($path, $origin, $load) = @_;
1537		2149
1538	$path = normalise $path, $origin && $origin->{path};	2150	$path = normalise $path, $origin && $origin->{path};
1539		2151
1540	if (my $map = $cf::MAP{$path}) {	2152	if (my $map = $cf::MAP{$path}) {
1541	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2153	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1542	}	2154	}
1543		2155
1544	undef $MAP_PREFETCH{$path};	2156	$MAP_PREFETCH{$path} |= $load;
		2157
1545	$MAP_PREFETCHER ||= cf::async {	2158	$MAP_PREFETCHER ||= cf::async {
		2159	$Coro::current->{desc} = "map prefetcher";
		2160
1546	while (%MAP_PREFETCH) {	2161	while (%MAP_PREFETCH) {
1547	for my $path (keys %MAP_PREFETCH) {	2162	while (my ($k, $v) = each %MAP_PREFETCH) {
1548	my $map = find $path	2163	if (my $map = find $k) {
1549	or next;
1550	$map->load;	2164	$map->load if $v;
		2165	}
1551		2166
1552	delete $MAP_PREFETCH{$path};	2167	delete $MAP_PREFETCH{$k};
1553	}	2168	}
1554	}	2169	}
1555	undef $MAP_PREFETCHER;	2170	undef $MAP_PREFETCHER;
1556	};	2171	};
1557	$MAP_PREFETCHER->prio (6);	2172	$MAP_PREFETCHER->prio (6);
…		…
1560	}	2175	}
1561		2176
1562	sub save {	2177	sub save {
1563	my ($self) = @_;	2178	my ($self) = @_;
1564		2179
1565	my $lock = cf::lock_acquire "map_data:" . $self->path;	2180	my $lock = cf::lock_acquire "map_data:$self->{path}";
1566		2181
1567	$self->{last_save} = $cf::RUNTIME;	2182	$self->{last_save} = $cf::RUNTIME;
1568		2183
1569	return unless $self->dirty;	2184	return unless $self->dirty;
1570		2185
…		…
1576	return if $self->{deny_save};	2191	return if $self->{deny_save};
1577		2192
1578	local $self->{last_access} = $self->last_access;#d#	2193	local $self->{last_access} = $self->last_access;#d#
1579		2194
1580	cf::async {	2195	cf::async {
		2196	$Coro::current->{desc} = "map player save";
1581	$_->contr->save for $self->players;	2197	$_->contr->save for $self->players;
1582	};	2198	};
		2199
		2200	cf::get_slot 0.02;
1583		2201
1584	if ($uniq) {	2202	if ($uniq) {
1585	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2203	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1586	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2204	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1587	} else {	2205	} else {
…		…
1593	my ($self) = @_;	2211	my ($self) = @_;
1594		2212
1595	# save first because save cedes	2213	# save first because save cedes
1596	$self->save;	2214	$self->save;
1597		2215
1598	my $lock = cf::lock_acquire "map_data:" . $self->path;	2216	my $lock = cf::lock_acquire "map_data:$self->{path}";
1599		2217
1600	return if $self->players;	2218	return if $self->players;
1601	return if $self->in_memory != cf::MAP_IN_MEMORY;	2219	return if $self->in_memory != cf::MAP_ACTIVE;
1602	return if $self->{deny_save};	2220	return if $self->{deny_save};
1603		2221
		2222	$self->in_memory (cf::MAP_SWAPPED);
		2223
		2224	$self->deactivate;
		2225	$_->clear_links_to ($self) for values %cf::MAP;
1604	$self->clear;	2226	$self->clear;
1605	$self->in_memory (cf::MAP_SWAPPED);
1606	}	2227	}
1607		2228
1608	sub reset_at {	2229	sub reset_at {
1609	my ($self) = @_;	2230	my ($self) = @_;
1610		2231
1611	# TODO: safety, remove and allow resettable per-player maps	2232	# TODO: safety, remove and allow resettable per-player maps
1612	return 1e99 if $self->isa ("ext::map_per_player");#d#
1613	return 1e99 if $self->{deny_reset};	2233	return 1e99 if $self->{deny_reset};
1614		2234
1615	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2235	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1616	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2236	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1617		2237
…		…
1628	my ($self) = @_;	2248	my ($self) = @_;
1629		2249
1630	my $lock = cf::lock_acquire "map_data:$self->{path}";	2250	my $lock = cf::lock_acquire "map_data:$self->{path}";
1631		2251
1632	return if $self->players;	2252	return if $self->players;
1633	return if $self->isa ("ext::map_per_player");#d#
1634		2253
1635	warn "resetting map ", $self->path;#d#	2254	warn "resetting map ", $self->path;
1636		2255
1637	$self->in_memory (cf::MAP_SWAPPED);	2256	$self->in_memory (cf::MAP_SWAPPED);
1638		2257
1639	# need to save uniques path	2258	# need to save uniques path
1640	unless ($self->{deny_save}) {	2259	unless ($self->{deny_save}) {
…		…
1644	if $uniq;	2263	if $uniq;
1645	}	2264	}
1646		2265
1647	delete $cf::MAP{$self->path};	2266	delete $cf::MAP{$self->path};
1648		2267
		2268	$self->deactivate;
		2269	$_->clear_links_to ($self) for values %cf::MAP;
1649	$self->clear;	2270	$self->clear;
1650
1651	$_->clear_links_to ($self) for values %cf::MAP;
1652		2271
1653	$self->unlink_save;	2272	$self->unlink_save;
1654	$self->destroy;	2273	$self->destroy;
1655	}	2274	}
1656		2275
1657	my $nuke_counter = "aaaa";	2276	my $nuke_counter = "aaaa";
1658		2277
1659	sub nuke {	2278	sub nuke {
1660	my ($self) = @_;	2279	my ($self) = @_;
1661		2280
		2281	{
		2282	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2283
1662	delete $cf::MAP{$self->path};	2284	delete $cf::MAP{$self->path};
1663		2285
1664	$self->unlink_save;	2286	$self->unlink_save;
1665		2287
1666	bless $self, "cf::map";	2288	bless $self, "cf::map";
1667	delete $self->{deny_reset};	2289	delete $self->{deny_reset};
1668	$self->{deny_save} = 1;	2290	$self->{deny_save} = 1;
1669	$self->reset_timeout (1);	2291	$self->reset_timeout (1);
1670	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2292	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1671		2293
1672	$cf::MAP{$self->path} = $self;	2294	$cf::MAP{$self->path} = $self;
		2295	}
1673		2296
1674	$self->reset; # polite request, might not happen	2297	$self->reset; # polite request, might not happen
		2298	}
		2299
		2300	=item $maps = cf::map::tmp_maps
		2301
		2302	Returns an arrayref with all map paths of currently instantiated and saved
		2303	maps. May block.
		2304
		2305	=cut
		2306
		2307	sub tmp_maps() {
		2308	[
		2309	map {
		2310	utf8::decode $_;
		2311	/\.map$/
		2312	? normalise $_
		2313	: ()
		2314	} @{ aio_readdir $TMPDIR or [] }
		2315	]
		2316	}
		2317
		2318	=item $maps = cf::map::random_maps
		2319
		2320	Returns an arrayref with all map paths of currently instantiated and saved
		2321	random maps. May block.
		2322
		2323	=cut
		2324
		2325	sub random_maps() {
		2326	[
		2327	map {
		2328	utf8::decode $_;
		2329	/\.map$/
		2330	? normalise "?random/$_"
		2331	: ()
		2332	} @{ aio_readdir $RANDOMDIR or [] }
		2333	]
1675	}	2334	}
1676		2335
1677	=item cf::map::unique_maps	2336	=item cf::map::unique_maps
1678		2337
1679	Returns an arrayref of paths of all shared maps that have	2338	Returns an arrayref of paths of all shared maps that have
1680	instantiated unique items. May block.	2339	instantiated unique items. May block.
1681		2340
1682	=cut	2341	=cut
1683		2342
1684	sub unique_maps() {	2343	sub unique_maps() {
1685	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2344	[
1686	or return;	2345	map {
1687
1688	my @paths;
1689
1690	for (@$files) {
1691	utf8::decode $_;	2346	utf8::decode $_;
1692	next if /\.pst$/;	2347	s/\.map$//; # TODO future compatibility hack
1693	next unless /^$PATH_SEP/o;	2348	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1694		2349	? ()
1695	push @paths, cf::map::normalise $_;	2350	: normalise $_
		2351	} @{ aio_readdir $UNIQUEDIR or [] }
1696	}	2352	]
1697
1698	\@paths
1699	}	2353	}
1700
1701	package cf;
1702		2354
1703	=back	2355	=back
1704		2356
1705	=head3 cf::object	2357	=head3 cf::object
1706		2358
…		…
1710		2362
1711	=over 4	2363	=over 4
1712		2364
1713	=item $ob->inv_recursive	2365	=item $ob->inv_recursive
1714		2366
1715	Returns the inventory of the object _and_ their inventories, recursively.	2367	Returns the inventory of the object I<and> their inventories, recursively,
		2368	but I<not> the object itself.
1716		2369
1717	=cut	2370	=cut
1718		2371
1719	sub inv_recursive_;	2372	sub inv_recursive_;
1720	sub inv_recursive_ {	2373	sub inv_recursive_ {
…		…
1723		2376
1724	sub inv_recursive {	2377	sub inv_recursive {
1725	inv_recursive_ inv $_[0]	2378	inv_recursive_ inv $_[0]
1726	}	2379	}
1727		2380
		2381	=item $ref = $ob->ref
		2382
		2383	Creates and returns a persistent reference to an object that can be stored as a string.
		2384
		2385	=item $ob = cf::object::deref ($refstring)
		2386
		2387	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2388	even if the object actually exists. May block.
		2389
		2390	=cut
		2391
		2392	sub deref {
		2393	my ($ref) = @_;
		2394
		2395	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2396	my ($uuid, $name) = ($1, $2);
		2397	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2398	or return;
		2399	$pl->ob->uuid eq $uuid
		2400	or return;
		2401
		2402	$pl->ob
		2403	} else {
		2404	warn "$ref: cannot resolve object reference\n";
		2405	undef
		2406	}
		2407	}
		2408
1728	package cf;	2409	package cf;
1729		2410
1730	=back	2411	=back
1731		2412
1732	=head3 cf::object::player	2413	=head3 cf::object::player
…		…
1738	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2419	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1739	can be C<undef>. Does the right thing when the player is currently in a	2420	can be C<undef>. Does the right thing when the player is currently in a
1740	dialogue with the given NPC character.	2421	dialogue with the given NPC character.
1741		2422
1742	=cut	2423	=cut
		2424
		2425	our $SAY_CHANNEL = {
		2426	id => "say",
		2427	title => "Map",
		2428	reply => "say ",
		2429	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2430	};
		2431
		2432	our $CHAT_CHANNEL = {
		2433	id => "chat",
		2434	title => "Chat",
		2435	reply => "chat ",
		2436	tooltip => "Player chat and shouts, global to the server.",
		2437	};
1743		2438
1744	# rough implementation of a future "reply" method that works	2439	# rough implementation of a future "reply" method that works
1745	# with dialog boxes.	2440	# with dialog boxes.
1746	#TODO: the first argument must go, split into a $npc->reply_to ( method	2441	#TODO: the first argument must go, split into a $npc->reply_to ( method
1747	sub cf::object::player::reply($$$;$) {	2442	sub cf::object::player::reply($$$;$) {
…		…
1749		2444
1750	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2445	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1751		2446
1752	if ($self->{record_replies}) {	2447	if ($self->{record_replies}) {
1753	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2448	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2449
1754	} else {	2450	} else {
		2451	my $pl = $self->contr;
		2452
		2453	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2454	my $dialog = $pl->{npc_dialog};
		2455	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2456
		2457	} else {
1755	$msg = $npc->name . " says: $msg" if $npc;	2458	$msg = $npc->name . " says: $msg" if $npc;
1756	$self->message ($msg, $flags);	2459	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2460	}
1757	}	2461	}
		2462	}
		2463
		2464	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2465
		2466	=cut
		2467
		2468	sub cf::object::send_msg {
		2469	my $pl = shift->contr
		2470	or return;
		2471	$pl->send_msg (@_);
1758	}	2472	}
1759		2473
1760	=item $player_object->may ("access")	2474	=item $player_object->may ("access")
1761		2475
1762	Returns wether the given player is authorized to access resource "access"	2476	Returns wether the given player is authorized to access resource "access"
…		…
1775		2489
1776	=item $player_object->enter_link	2490	=item $player_object->enter_link
1777		2491
1778	Freezes the player and moves him/her to a special map (C<{link}>).	2492	Freezes the player and moves him/her to a special map (C<{link}>).
1779		2493
1780	The player should be reasonably safe there for short amounts of time. You	2494	The player should be reasonably safe there for short amounts of time (e.g.
1781	I<MUST> call C<leave_link> as soon as possible, though.	2495	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2496	though, as the palyer cannot control the character while it is on the link
		2497	map.
1782		2498
1783	Will never block.	2499	Will never block.
1784		2500
1785	=item $player_object->leave_link ($map, $x, $y)	2501	=item $player_object->leave_link ($map, $x, $y)
1786		2502
…		…
1809	$self->deactivate_recursive;	2525	$self->deactivate_recursive;
1810		2526
1811	return if UNIVERSAL::isa $self->map, "ext::map_link";	2527	return if UNIVERSAL::isa $self->map, "ext::map_link";
1812		2528
1813	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2529	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1814	if $self->map;	2530	if $self->map && $self->map->{path} ne "{link}";
1815		2531
1816	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2532	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1817	}	2533	}
1818		2534
1819	sub cf::object::player::leave_link {	2535	sub cf::object::player::leave_link {
1820	my ($self, $map, $x, $y) = @_;	2536	my ($self, $map, $x, $y) = @_;
		2537
		2538	return unless $self->contr->active;
1821		2539
1822	my $link_pos = delete $self->{_link_pos};	2540	my $link_pos = delete $self->{_link_pos};
1823		2541
1824	unless ($map) {	2542	unless ($map) {
1825	# restore original map position	2543	# restore original map position
…		…
1839	# use -1 or undef as default coordinates, not 0, 0	2557	# use -1 or undef as default coordinates, not 0, 0
1840	($x, $y) = ($map->enter_x, $map->enter_y)	2558	($x, $y) = ($map->enter_x, $map->enter_y)
1841	if $x <=0 && $y <= 0;	2559	if $x <=0 && $y <= 0;
1842		2560
1843	$map->load;	2561	$map->load;
1844	$map->load_diag;	2562	$map->load_neighbours;
1845		2563
1846	return unless $self->contr->active;	2564	return unless $self->contr->active;
		2565	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1847	$self->activate_recursive;	2566	$self->activate_recursive;
1848		2567
1849	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2568	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1850	$self->enter_map ($map, $x, $y);	2569	$self->enter_map ($map, $x, $y);
1851	}	2570	}
1852		2571
1853	cf::player->attach (	2572	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1854	on_logout => sub {
1855	my ($pl) = @_;
1856		2573
1857	# abort map switching before logout	2574	Moves the player to the given map-path and coordinates by first freezing
1858	if ($pl->ob->{_link_pos}) {	2575	her, loading and preparing them map, calling the provided $check callback
1859	cf::sync_job {	2576	that has to return the map if sucecssful, and then unfreezes the player on
1860	$pl->ob->leave_link	2577	the new (success) or old (failed) map position. In either case, $done will
1861	};	2578	be called at the end of this process.
1862	}
1863	},
1864	on_login => sub {
1865	my ($pl) = @_;
1866		2579
1867	# try to abort aborted map switching on player login :)	2580	Note that $check will be called with a potentially non-loaded map, so if
1868	# should happen only on crashes	2581	it needs a loaded map it has to call C<< ->load >>.
1869	if ($pl->ob->{_link_pos}) {
1870	$pl->ob->enter_link;
1871	(async {
1872	$pl->ob->reply (undef,
1873	"There was an internal problem at your last logout, "
1874	. "the server will try to bring you to your intended destination in a second.",
1875	cf::NDI_RED);
1876	# we need this sleep as the login has a concurrent enter_exit running
1877	# and this sleep increases chances of the player not ending up in scorn
1878	Coro::Timer::sleep 1;
1879	$pl->ob->leave_link;
1880	})->prio (2);
1881	}
1882	},
1883	);
1884		2582
1885	=item $player_object->goto ($path, $x, $y)
1886
1887	=cut	2583	=cut
		2584
		2585	our $GOTOGEN;
1888		2586
1889	sub cf::object::player::goto {	2587	sub cf::object::player::goto {
1890	my ($self, $path, $x, $y) = @_;	2588	my ($self, $path, $x, $y, $check, $done) = @_;
		2589
		2590	# do generation counting so two concurrent goto's will be executed in-order
		2591	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1891		2592
1892	$self->enter_link;	2593	$self->enter_link;
1893		2594
1894	(async {	2595	(async {
		2596	$Coro::current->{desc} = "player::goto $path $x $y";
		2597
		2598	# *tag paths override both path and x|y
		2599	if ($path =~ /^\*(.*)$/) {
		2600	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2601	my $ob = $obs[rand @obs];
		2602
		2603	# see if we actually can go there
		2604	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2605	$ob = $obs[rand @obs];
		2606	} else {
		2607	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2608	}
		2609	# else put us there anyways for now #d#
		2610
		2611	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2612	} else {
		2613	($path, $x, $y) = (undef, undef, undef);
		2614	}
		2615	}
		2616
1895	my $map = eval {	2617	my $map = eval {
1896	my $map = cf::map::find $path;	2618	my $map = defined $path ? cf::map::find $path : undef;
		2619
		2620	if ($map) {
1897	$map = $map->customise_for ($self) if $map;	2621	$map = $map->customise_for ($self);
		2622	$map = $check->($map) if $check && $map;
		2623	} else {
		2624	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2625	}
		2626
1898	$map	2627	$map
		2628	};
		2629
		2630	if ($@) {
		2631	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2632	LOG llevError | logBacktrace, Carp::longmess $@;
1899	} or	2633	}
1900	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1901		2634
		2635	if ($gen == $self->{_goto_generation}) {
		2636	delete $self->{_goto_generation};
1902	$self->leave_link ($map, $x, $y);	2637	$self->leave_link ($map, $x, $y);
		2638	}
		2639
		2640	$done->() if $done;
1903	})->prio (1);	2641	})->prio (1);
1904	}	2642	}
1905		2643
1906	=item $player_object->enter_exit ($exit_object)	2644	=item $player_object->enter_exit ($exit_object)
1907		2645
…		…
1927	}	2665	}
1928		2666
1929	sub prepare_random_map {	2667	sub prepare_random_map {
1930	my ($exit) = @_;	2668	my ($exit) = @_;
1931		2669
1932	my $guard = cf::lock_acquire "exit_prepare:$exit";
1933
1934	# all this does is basically replace the /! path by	2670	# all this does is basically replace the /! path by
1935	# a new random map path (?random/...) with a seed	2671	# a new random map path (?random/...) with a seed
1936	# that depends on the exit object	2672	# that depends on the exit object
1937		2673
1938	my $rmp = parse_random_map_params $exit->msg;	2674	my $rmp = parse_random_map_params $exit->msg;
…		…
1940	if ($exit->map) {	2676	if ($exit->map) {
1941	$rmp->{region} = $exit->region->name;	2677	$rmp->{region} = $exit->region->name;
1942	$rmp->{origin_map} = $exit->map->path;	2678	$rmp->{origin_map} = $exit->map->path;
1943	$rmp->{origin_x} = $exit->x;	2679	$rmp->{origin_x} = $exit->x;
1944	$rmp->{origin_y} = $exit->y;	2680	$rmp->{origin_y} = $exit->y;
		2681
		2682	$exit->map->touch;
1945	}	2683	}
1946		2684
1947	$rmp->{random_seed} ||= $exit->random_seed;	2685	$rmp->{random_seed} ||= $exit->random_seed;
1948		2686
1949	my $data = cf::to_json $rmp;	2687	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1950	my $md5 = Digest::MD5::md5_hex $data;	2688	my $md5 = Digest::MD5::md5_hex $data;
1951	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2689	my $meta = "$RANDOMDIR/$md5.meta";
1952		2690
1953	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2691	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1954	aio_write $fh, 0, (length $data), $data, 0;	2692	aio_write $fh, 0, (length $data), $data, 0;
1955	undef $fh;	2693	undef $fh;
1956	aio_rename "$meta~", $meta;	2694	aio_rename "$meta~", $meta;
1957		2695
		2696	my $slaying = "?random/$md5";
		2697
		2698	if ($exit->valid) {
1958	$exit->slaying ("?random/$md5");	2699	$exit->slaying ("?random/$md5");
1959	$exit->msg (undef);	2700	$exit->msg (undef);
		2701	}
1960	}	2702	}
1961	}	2703	}
1962		2704
1963	sub cf::object::player::enter_exit {	2705	sub cf::object::player::enter_exit {
1964	my ($self, $exit) = @_;	2706	my ($self, $exit) = @_;
1965		2707
1966	return unless $self->type == cf::PLAYER;	2708	return unless $self->type == cf::PLAYER;
1967		2709
1968	if ($exit->slaying eq "/!") {
1969	#TODO: this should de-fi-ni-te-ly not be a sync-job
1970	cf::sync_job { prepare_random_map $exit };
1971	}
1972
1973	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1974	my $hp = $exit->stats->hp;
1975	my $sp = $exit->stats->sp;
1976
1977	$self->enter_link;	2710	$self->enter_link;
1978		2711
1979	(async {	2712	(async {
1980	$self->deactivate_recursive; # just to be sure	2713	$Coro::current->{desc} = "enter_exit";
		2714
1981	unless (eval {	2715	unless (eval {
		2716	$self->deactivate_recursive; # just to be sure
		2717
		2718	# random map handling
		2719	{
		2720	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2721
		2722	prepare_random_map $exit
		2723	if $exit->slaying eq "/!";
		2724	}
		2725
		2726	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2727	my $x = $exit->stats->hp;
		2728	my $y = $exit->stats->sp;
		2729
1982	$self->goto ($slaying, $hp, $sp);	2730	$self->goto ($map, $x, $y);
1983		2731
		2732	# if exit is damned, update players death & WoR home-position
		2733	$self->contr->savebed ($map, $x, $y)
		2734	if $exit->flag (cf::FLAG_DAMNED);
		2735
1984	1;	2736	1
1985	}) {	2737	}) {
1986	$self->message ("Something went wrong deep within the crossfire server. "	2738	$self->message ("Something went wrong deep within the deliantra server. "
1987	. "I'll try to bring you back to the map you were before. "	2739	. "I'll try to bring you back to the map you were before. "
1988	. "Please report this to the dungeon master!",	2740	. "Please report this to the dungeon master!",
1989	cf::NDI_UNIQUE | cf::NDI_RED);	2741	cf::NDI_UNIQUE | cf::NDI_RED);
1990		2742
1991	warn "ERROR in enter_exit: $@";	2743	warn "ERROR in enter_exit: $@";
1992	$self->leave_link;	2744	$self->leave_link;
1993	}	2745	}
1994	})->prio (1);	2746	})->prio (1);
…		…
2010		2762
2011	utf8::encode $text;	2763	utf8::encode $text;
2012	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2764	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2013	}	2765	}
2014		2766
		2767	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2768
		2769	Send a drawinfo or msg packet to the client, formatting the msg for the
		2770	client if neccessary. C<$type> should be a string identifying the type of
		2771	the message, with C<log> being the default. If C<$color> is negative, suppress
		2772	the message unless the client supports the msg packet.
		2773
		2774	=cut
		2775
		2776	# non-persistent channels (usually the info channel)
		2777	our %CHANNEL = (
		2778	"c/identify" => {
		2779	id => "infobox",
		2780	title => "Identify",
		2781	reply => undef,
		2782	tooltip => "Items recently identified",
		2783	},
		2784	"c/examine" => {
		2785	id => "infobox",
		2786	title => "Examine",
		2787	reply => undef,
		2788	tooltip => "Signs and other items you examined",
		2789	},
		2790	"c/book" => {
		2791	id => "infobox",
		2792	title => "Book",
		2793	reply => undef,
		2794	tooltip => "The contents of a note or book",
		2795	},
		2796	"c/lookat" => {
		2797	id => "infobox",
		2798	title => "Look",
		2799	reply => undef,
		2800	tooltip => "What you saw there",
		2801	},
		2802	"c/who" => {
		2803	id => "infobox",
		2804	title => "Players",
		2805	reply => undef,
		2806	tooltip => "Shows players who are currently online",
		2807	},
		2808	"c/body" => {
		2809	id => "infobox",
		2810	title => "Body Parts",
		2811	reply => undef,
		2812	tooltip => "Shows which body parts you posess and are available",
		2813	},
		2814	"c/skills" => {
		2815	id => "infobox",
		2816	title => "Skills",
		2817	reply => undef,
		2818	tooltip => "Shows your experience per skill and item power",
		2819	},
		2820	"c/uptime" => {
		2821	id => "infobox",
		2822	title => "Uptime",
		2823	reply => undef,
		2824	tooltip => "How long the server has been running since last restart",
		2825	},
		2826	"c/mapinfo" => {
		2827	id => "infobox",
		2828	title => "Map Info",
		2829	reply => undef,
		2830	tooltip => "Information related to the maps",
		2831	},
		2832	"c/party" => {
		2833	id => "party",
		2834	title => "Party",
		2835	reply => "gsay ",
		2836	tooltip => "Messages and chat related to your party",
		2837	},
		2838	);
		2839
		2840	sub cf::client::send_msg {
		2841	my ($self, $channel, $msg, $color, @extra) = @_;
		2842
		2843	$msg = $self->pl->expand_cfpod ($msg)
		2844	unless $color & cf::NDI_VERBATIM;
		2845
		2846	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2847
		2848	# check predefined channels, for the benefit of C
		2849	if ($CHANNEL{$channel}) {
		2850	$channel = $CHANNEL{$channel};
		2851
		2852	$self->ext_msg (channel_info => $channel)
		2853	if $self->can_msg;
		2854
		2855	$channel = $channel->{id};
		2856
		2857	} elsif (ref $channel) {
		2858	# send meta info to client, if not yet sent
		2859	unless (exists $self->{channel}{$channel->{id}}) {
		2860	$self->{channel}{$channel->{id}} = $channel;
		2861	$self->ext_msg (channel_info => $channel)
		2862	if $self->can_msg;
		2863	}
		2864
		2865	$channel = $channel->{id};
		2866	}
		2867
		2868	return unless @extra || length $msg;
		2869
		2870	if ($self->can_msg) {
		2871	# default colour, mask it out
		2872	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2873	if $color & cf::NDI_DEF;
		2874
		2875	my $pkt = "msg "
		2876	. $self->{json_coder}->encode (
		2877	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2878	);
		2879
		2880	# try lzf for large packets
		2881	$pkt = "lzf " . Compress::LZF::compress $pkt
		2882	if 1024 <= length $pkt and $self->{can_lzf};
		2883
		2884	# split very large packets
		2885	if (8192 < length $pkt and $self->{can_lzf}) {
		2886	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2887	$pkt = "frag";
		2888	}
		2889
		2890	$self->send_packet ($pkt);
		2891	} else {
		2892	if ($color >= 0) {
		2893	# replace some tags by gcfclient-compatible ones
		2894	for ($msg) {
		2895	1 while
		2896	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2897	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2898	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2899	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2900	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2901	}
		2902
		2903	$color &= cf::NDI_COLOR_MASK;
		2904
		2905	utf8::encode $msg;
		2906
		2907	if (0 && $msg =~ /\[/) {
		2908	# COMMAND/INFO
		2909	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2910	} else {
		2911	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2912	$self->send_packet ("drawinfo $color $msg")
		2913	}
		2914	}
		2915	}
		2916	}
		2917
2015	=item $client->ext_event ($type, %msg)	2918	=item $client->ext_msg ($type, @msg)
2016		2919
2017	Sends an exti event to the client.	2920	Sends an ext event to the client.
2018		2921
2019	=cut	2922	=cut
2020		2923
2021	sub cf::client::ext_event($$%) {	2924	sub cf::client::ext_msg($$@) {
2022	my ($self, $type, %msg) = @_;	2925	my ($self, $type, @msg) = @_;
2023		2926
		2927	if ($self->extcmd == 2) {
		2928	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2929	} elsif ($self->extcmd == 1) { # TODO: remove
2024	$msg{msgtype} = "event_$type";	2930	push @msg, msgtype => "event_$type";
2025	$self->send_packet ("ext " . cf::to_json \%msg);	2931	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2932	}
		2933	}
		2934
		2935	=item $client->ext_reply ($msgid, @msg)
		2936
		2937	Sends an ext reply to the client.
		2938
		2939	=cut
		2940
		2941	sub cf::client::ext_reply($$@) {
		2942	my ($self, $id, @msg) = @_;
		2943
		2944	if ($self->extcmd == 2) {
		2945	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2946	} elsif ($self->extcmd == 1) {
		2947	#TODO: version 1, remove
		2948	unshift @msg, msgtype => "reply", msgid => $id;
		2949	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2950	}
2026	}	2951	}
2027		2952
2028	=item $success = $client->query ($flags, "text", \&cb)	2953	=item $success = $client->query ($flags, "text", \&cb)
2029		2954
2030	Queues a query to the client, calling the given callback with	2955	Queues a query to the client, calling the given callback with
2031	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2956	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2032	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2957	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2033		2958
2034	Queries can fail, so check the return code. Or don't, as queries will become	2959	Queries can fail, so check the return code. Or don't, as queries will
2035	reliable at some point in the future.	2960	become reliable at some point in the future.
2036		2961
2037	=cut	2962	=cut
2038		2963
2039	sub cf::client::query {	2964	sub cf::client::query {
2040	my ($self, $flags, $text, $cb) = @_;	2965	my ($self, $flags, $text, $cb) = @_;
…		…
2048	utf8::encode $text;	2973	utf8::encode $text;
2049	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2974	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2050		2975
2051	$self->send_packet ($self->{query_queue}[0][0])	2976	$self->send_packet ($self->{query_queue}[0][0])
2052	if @{ $self->{query_queue} } == 1;	2977	if @{ $self->{query_queue} } == 1;
		2978
		2979	1
2053	}	2980	}
2054		2981
2055	cf::client->attach (	2982	cf::client->attach (
		2983	on_connect => sub {
		2984	my ($ns) = @_;
		2985
		2986	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2987	},
2056	on_reply => sub {	2988	on_reply => sub {
2057	my ($ns, $msg) = @_;	2989	my ($ns, $msg) = @_;
2058		2990
2059	# this weird shuffling is so that direct followup queries	2991	# this weird shuffling is so that direct followup queries
2060	# get handled first	2992	# get handled first
…		…
2072	} else {	3004	} else {
2073	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3005	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2074	}	3006	}
2075	}	3007	}
2076	},	3008	},
		3009	on_exticmd => sub {
		3010	my ($ns, $buf) = @_;
		3011
		3012	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3013
		3014	if (ref $msg) {
		3015	my ($type, $reply, @payload) =
		3016	"ARRAY" eq ref $msg
		3017	? @$msg
		3018	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3019
		3020	my @reply;
		3021
		3022	if (my $cb = $EXTICMD{$type}) {
		3023	@reply = $cb->($ns, @payload);
		3024	}
		3025
		3026	$ns->ext_reply ($reply, @reply)
		3027	if $reply;
		3028
		3029	} else {
		3030	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3031	}
		3032
		3033	cf::override;
		3034	},
2077	);	3035	);
2078		3036
2079	=item $client->async (\&cb)	3037	=item $client->async (\&cb)
2080		3038
2081	Create a new coroutine, running the specified callback. The coroutine will	3039	Create a new coroutine, running the specified callback. The coroutine will
…		…
2122	our $safe = new Safe "safe";	3080	our $safe = new Safe "safe";
2123	our $safe_hole = new Safe::Hole;	3081	our $safe_hole = new Safe::Hole;
2124		3082
2125	$SIG{FPE} = 'IGNORE';	3083	$SIG{FPE} = 'IGNORE';
2126		3084
2127	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3085	$safe->permit_only (Opcode::opset qw(
		3086	:base_core :base_mem :base_orig :base_math
		3087	grepstart grepwhile mapstart mapwhile
		3088	sort time
		3089	));
2128		3090
2129	# here we export the classes and methods available to script code	3091	# here we export the classes and methods available to script code
2130		3092
2131	=pod	3093	=pod
2132		3094
2133	The following functions and methods are available within a safe environment:	3095	The following functions and methods are available within a safe environment:
2134		3096
2135	cf::object contr pay_amount pay_player map	3097	cf::object
		3098	contr pay_amount pay_player map x y force_find force_add destroy
		3099	insert remove name archname title slaying race decrease split
		3100
2136	cf::object::player player	3101	cf::object::player
2137	cf::player peaceful	3102	player
2138	cf::map trigger	3103
		3104	cf::player
		3105	peaceful
		3106
		3107	cf::map
		3108	trigger
2139		3109
2140	=cut	3110	=cut
2141		3111
2142	for (	3112	for (
2143	["cf::object" => qw(contr pay_amount pay_player map)],	3113	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3114	insert remove inv nrof name archname title slaying race
		3115	decrease split destroy change_exp)],
2144	["cf::object::player" => qw(player)],	3116	["cf::object::player" => qw(player)],
2145	["cf::player" => qw(peaceful)],	3117	["cf::player" => qw(peaceful)],
2146	["cf::map" => qw(trigger)],	3118	["cf::map" => qw(trigger)],
2147	) {	3119	) {
2148	no strict 'refs';	3120	no strict 'refs';
…		…
2219	=back	3191	=back
2220		3192
2221	=cut	3193	=cut
2222		3194
2223	#############################################################################	3195	#############################################################################
2224
2225	=head2 EXTENSION DATABASE SUPPORT
2226
2227	Crossfire maintains a very simple database for extension use. It can
2228	currently store anything that can be serialised using Storable, which
2229	excludes objects.
2230
2231	The parameter C<$family> should best start with the name of the extension
2232	using it, it should be unique.
2233
2234	=over 4
2235
2236	=item $value = cf::db_get $family => $key
2237
2238	Returns a single value from the database.
2239
2240	=item cf::db_put $family => $key => $value
2241
2242	Stores the given C<$value> in the family.
2243
2244	=cut
2245
2246	our $DB;
2247
2248	sub db_init {
2249	unless ($DB) {
2250	$DB = BDB::db_create $DB_ENV;
2251
2252	cf::sync_job {
2253	eval {
2254	$DB->set_flags (BDB::CHKSUM);
2255
2256	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2257	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2258	cf::cleanup "db_open(db): $!" if $!;
2259	};
2260	cf::cleanup "db_open(db): $@" if $@;
2261	};
2262
2263	my $path = cf::localdir . "/database.pst";
2264	if (stat $path) {
2265	cf::sync_job {
2266	my $pst = Storable::retrieve $path;
2267
2268	cf::db_put (board => data => $pst->{board});
2269	cf::db_put (guildrules => data => $pst->{guildrules});
2270	cf::db_put (rent => balance => $pst->{rent}{balance});
2271	BDB::db_env_txn_checkpoint $DB_ENV;
2272
2273	unlink $path;
2274	};
2275	}
2276	}
2277	}
2278
2279	sub db_get($$) {
2280	my $key = "$_[0]/$_[1]";
2281
2282	cf::sync_job {
2283	BDB::db_get $DB, undef, $key, my $data;
2284
2285	$! ? ()
2286	: Compress::LZF::sthaw $data
2287	}
2288	}
2289
2290	sub db_put($$$) {
2291	BDB::dbreq_pri 4;
2292	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2293	}
2294
2295	#############################################################################
2296	# the server's init and main functions	3196	# the server's init and main functions
2297		3197
2298	sub load_facedata {	3198	sub load_facedata($) {
2299	my $path = sprintf "%s/facedata", cf::datadir;	3199	my ($path) = @_;
		3200
		3201	# HACK to clear player env face cache, we need some signal framework
		3202	# for this (global event?)
		3203	%ext::player_env::MUSIC_FACE_CACHE = ();
		3204
		3205	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2300		3206
2301	warn "loading facedata from $path\n";	3207	warn "loading facedata from $path\n";
2302		3208
2303	my $faces;	3209	my $facedata;
2304	0 < aio_load $path, $faces	3210	0 < aio_load $path, $facedata
2305	or die "$path: $!";	3211	or die "$path: $!";
2306		3212
2307	Coro::cede;
2308	$faces = Storable::thaw $faces;	3213	$facedata = Coro::Storable::thaw $facedata;
2309	Coro::cede;
2310		3214
2311	my $meta = delete $faces->{""};
2312	$meta->{version} == 1	3215	$facedata->{version} == 2
2313	or cf::cleanup "$path: version mismatch, cannot proceed.";	3216	or cf::cleanup "$path: version mismatch, cannot proceed.";
2314		3217
		3218	# patch in the exptable
		3219	$facedata->{resource}{"res/exp_table"} = {
		3220	type => FT_RSRC,
		3221	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3222	};
		3223	cf::cede_to_tick;
		3224
		3225	{
		3226	my $faces = $facedata->{faceinfo};
		3227
2315	while (my ($face, $info) = each %$faces) {	3228	while (my ($face, $info) = each %$faces) {
2316	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3229	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2317	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3230
		3231	cf::face::set_visibility $idx, $info->{visibility};
		3232	cf::face::set_magicmap $idx, $info->{magicmap};
2318	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3233	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2319	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3234	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2320	Coro::cede;
2321	}
2322		3235
		3236	cf::cede_to_tick;
		3237	}
		3238
2323	while (my ($face, $info) = each %$faces) {	3239	while (my ($face, $info) = each %$faces) {
2324	next unless $info->{smooth};	3240	next unless $info->{smooth};
		3241
2325	my $idx = cf::face::find $face	3242	my $idx = cf::face::find $face
2326	or next;	3243	or next;
		3244
2327	if (my $smooth = cf::face::find $info->{smooth}) {	3245	if (my $smooth = cf::face::find $info->{smooth}) {
2328	cf::face::set_smooth $idx, $smooth;	3246	cf::face::set_smooth $idx, $smooth;
		3247	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2329	} else {	3248	} else {
2330	warn "smooth face '$info->{smooth}' not found for face '$face'";	3249	warn "smooth face '$info->{smooth}' not found for face '$face'";
2331	}	3250	}
2332	Coro::cede;	3251
		3252	cf::cede_to_tick;
		3253	}
		3254	}
		3255
2333	}	3256	{
		3257	my $anims = $facedata->{animinfo};
		3258
		3259	while (my ($anim, $info) = each %$anims) {
		3260	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3261	cf::cede_to_tick;
		3262	}
		3263
		3264	cf::anim::invalidate_all; # d'oh
		3265	}
		3266
		3267	{
		3268	# TODO: for gcfclient pleasure, we should give resources
		3269	# that gcfclient doesn't grok a >10000 face index.
		3270	my $res = $facedata->{resource};
		3271
		3272	while (my ($name, $info) = each %$res) {
		3273	if (defined $info->{type}) {
		3274	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3275	my $data;
		3276
		3277	if ($info->{type} & 1) {
		3278	# prepend meta info
		3279
		3280	my $meta = $enc->encode ({
		3281	name => $name,
		3282	%{ $info->{meta} || {} },
		3283	});
		3284
		3285	$data = pack "(w/a*)*", $meta, $info->{data};
		3286	} else {
		3287	$data = $info->{data};
		3288	}
		3289
		3290	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3291	cf::face::set_type $idx, $info->{type};
		3292	} else {
		3293	$RESOURCE{$name} = $info;
		3294	}
		3295
		3296	cf::cede_to_tick;
		3297	}
		3298	}
		3299
		3300	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2334		3301
2335	1	3302	1
2336	}	3303	}
2337		3304
		3305	cf::global->attach (on_resource_update => sub {
		3306	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3307	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3308
		3309	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3310	my $sound = $soundconf->{compat}[$_]
		3311	or next;
		3312
		3313	my $face = cf::face::find "sound/$sound->[1]";
		3314	cf::sound::set $sound->[0] => $face;
		3315	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3316	}
		3317
		3318	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3319	my $face = cf::face::find "sound/$v";
		3320	cf::sound::set $k => $face;
		3321	}
		3322	}
		3323	});
		3324
		3325	register_exticmd fx_want => sub {
		3326	my ($ns, $want) = @_;
		3327
		3328	while (my ($k, $v) = each %$want) {
		3329	$ns->fx_want ($k, $v);
		3330	}
		3331	};
		3332
		3333	sub load_resource_file($) {
		3334	my $guard = lock_acquire "load_resource_file";
		3335
		3336	my $status = load_resource_file_ $_[0];
		3337	get_slot 0.1, 100;
		3338	cf::arch::commit_load;
		3339
		3340	$status
		3341	}
		3342
		3343	sub reload_regions {
		3344	# HACK to clear player env face cache, we need some signal framework
		3345	# for this (global event?)
		3346	%ext::player_env::MUSIC_FACE_CACHE = ();
		3347
		3348	load_resource_file "$MAPDIR/regions"
		3349	or die "unable to load regions file\n";
		3350
		3351	for (cf::region::list) {
		3352	$_->{match} = qr/$_->{match}/
		3353	if exists $_->{match};
		3354	}
		3355	}
		3356
		3357	sub reload_facedata {
		3358	load_facedata "$DATADIR/facedata"
		3359	or die "unable to load facedata\n";
		3360	}
		3361
		3362	sub reload_archetypes {
		3363	load_resource_file "$DATADIR/archetypes"
		3364	or die "unable to load archetypes\n";
		3365	}
		3366
		3367	sub reload_treasures {
		3368	load_resource_file "$DATADIR/treasures"
		3369	or die "unable to load treasurelists\n";
		3370	}
		3371
2338	sub reload_resources {	3372	sub reload_resources {
2339	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3373	warn "reloading resource files...\n";
2340	or die "unable to load regions file\n";#d#	3374
2341	load_facedata	3375	reload_facedata;
2342	or die "unable to load facedata\n";#d#	3376	reload_archetypes;
2343	}
2344
2345	sub init {
2346	reload_resources;	3377	reload_regions;
2347	}	3378	reload_treasures;
2348		3379
2349	sub cfg_load {	3380	warn "finished reloading resource files\n";
		3381	}
		3382
		3383	sub reload_config {
2350	open my $fh, "<:utf8", cf::confdir . "/config"	3384	open my $fh, "<:utf8", "$CONFDIR/config"
2351	or return;	3385	or return;
2352		3386
2353	local $/;	3387	local $/;
2354	*CFG = YAML::Syck::Load <$fh>;	3388	*CFG = YAML::Load <$fh>;
2355		3389
2356	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3390	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2357		3391
2358	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3392	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2359	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3393	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2365	};	3399	};
2366	warn $@ if $@;	3400	warn $@ if $@;
2367	}	3401	}
2368	}	3402	}
2369		3403
		3404	sub pidfile() {
		3405	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3406	or die "$PIDFILE: $!";
		3407	flock $fh, &Fcntl::LOCK_EX
		3408	or die "$PIDFILE: flock: $!";
		3409	$fh
		3410	}
		3411
		3412	# make sure only one server instance is running at any one time
		3413	sub atomic {
		3414	my $fh = pidfile;
		3415
		3416	my $pid = <$fh>;
		3417	kill 9, $pid if $pid > 0;
		3418
		3419	seek $fh, 0, 0;
		3420	print $fh $$;
		3421	}
		3422
2370	sub main {	3423	sub main {
		3424	cf::init_globals; # initialise logging
		3425
		3426	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3427	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3428	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3429	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3430
		3431	cf::init_experience;
		3432	cf::init_anim;
		3433	cf::init_attackmess;
		3434	cf::init_dynamic;
		3435	cf::init_block;
		3436
		3437	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3438
2371	# we must not ever block the main coroutine	3439	# we must not ever block the main coroutine
2372	local $Coro::idle = sub {	3440	local $Coro::idle = sub {
2373	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3441	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2374	(async {	3442	(async {
2375	Event::one_event;	3443	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3444	EV::loop EV::LOOP_ONESHOT;
2376	})->prio (Coro::PRIO_MAX);	3445	})->prio (Coro::PRIO_MAX);
2377	};	3446	};
2378		3447
2379	cfg_load;	3448	evthread_start IO::AIO::poll_fileno;
		3449
		3450	cf::sync_job {
		3451	reload_resources;
		3452	reload_config;
2380	db_init;	3453	db_init;
		3454
		3455	cf::load_settings;
		3456	cf::load_materials;
		3457	cf::init_uuid;
		3458	cf::init_signals;
		3459	cf::init_commands;
		3460	cf::init_skills;
		3461
		3462	cf::init_beforeplay;
		3463
		3464	atomic;
		3465
2381	load_extensions;	3466	load_extensions;
2382		3467
2383	$TICK_WATCHER->start;	3468	utime time, time, $RUNTIMEFILE;
		3469
		3470	# no (long-running) fork's whatsoever before this point(!)
		3471	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3472
		3473	(pop @POST_INIT)->(0) while @POST_INIT;
		3474	};
		3475
2384	Event::loop;	3476	EV::loop;
2385	}	3477	}
2386		3478
2387	#############################################################################	3479	#############################################################################
2388	# initialisation and cleanup	3480	# initialisation and cleanup
2389		3481
2390	# install some emergency cleanup handlers	3482	# install some emergency cleanup handlers
2391	BEGIN {	3483	BEGIN {
		3484	our %SIGWATCHER = ();
2392	for my $signal (qw(INT HUP TERM)) {	3485	for my $signal (qw(INT HUP TERM)) {
2393	Event->signal (	3486	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2394	reentrant => 0,
2395	data => WF_AUTOCANCEL,
2396	signal => $signal,
2397	prio => 0,
2398	cb => sub {
2399	cf::cleanup "SIG$signal";	3487	cf::cleanup "SIG$signal";
2400	},
2401	);	3488	};
		3489	}
		3490	}
		3491
		3492	sub write_runtime_sync {
		3493	# first touch the runtime file to show we are still running:
		3494	# the fsync below can take a very very long time.
		3495
		3496	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3497
		3498	my $guard = cf::lock_acquire "write_runtime";
		3499
		3500	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3501	or return;
		3502
		3503	my $value = $cf::RUNTIME + 90 + 10;
		3504	# 10 is the runtime save interval, for a monotonic clock
		3505	# 60 allows for the watchdog to kill the server.
		3506
		3507	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3508	and return;
		3509
		3510	# always fsync - this file is important
		3511	aio_fsync $fh
		3512	and return;
		3513
		3514	# touch it again to show we are up-to-date
		3515	aio_utime $fh, undef, undef;
		3516
		3517	close $fh
		3518	or return;
		3519
		3520	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3521	and return;
		3522
		3523	warn "runtime file written.\n";
		3524
2402	}	3525	1
		3526	}
		3527
		3528	our $uuid_lock;
		3529	our $uuid_skip;
		3530
		3531	sub write_uuid_sync($) {
		3532	$uuid_skip ||= $_[0];
		3533
		3534	return if $uuid_lock;
		3535	local $uuid_lock = 1;
		3536
		3537	my $uuid = "$LOCALDIR/uuid";
		3538
		3539	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3540	or return;
		3541
		3542	my $value = uuid_seq uuid_cur;
		3543
		3544	unless ($value) {
		3545	warn "cowardly refusing to write zero uuid value!\n";
		3546	return;
		3547	}
		3548
		3549	my $value = uuid_str $value + $uuid_skip;
		3550	$uuid_skip = 0;
		3551
		3552	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3553	and return;
		3554
		3555	# always fsync - this file is important
		3556	aio_fsync $fh
		3557	and return;
		3558
		3559	close $fh
		3560	or return;
		3561
		3562	aio_rename "$uuid~", $uuid
		3563	and return;
		3564
		3565	warn "uuid file written ($value).\n";
		3566
		3567	1
		3568
		3569	}
		3570
		3571	sub write_uuid($$) {
		3572	my ($skip, $sync) = @_;
		3573
		3574	$sync ? write_uuid_sync $skip
		3575	: async { write_uuid_sync $skip };
2403	}	3576	}
2404		3577
2405	sub emergency_save() {	3578	sub emergency_save() {
2406	my $freeze_guard = cf::freeze_mainloop;	3579	my $freeze_guard = cf::freeze_mainloop;
2407		3580
2408	warn "enter emergency perl save\n";	3581	warn "emergency_perl_save: enter\n";
2409		3582
2410	cf::sync_job {	3583	cf::sync_job {
		3584	# this is a trade-off: we want to be very quick here, so
		3585	# save all maps without fsync, and later call a global sync
		3586	# (which in turn might be very very slow)
		3587	local $USE_FSYNC = 0;
		3588
2411	# use a peculiar iteration method to avoid tripping on perl	3589	# use a peculiar iteration method to avoid tripping on perl
2412	# refcount bugs in for. also avoids problems with players	3590	# refcount bugs in for. also avoids problems with players
2413	# and maps saved/destroyed asynchronously.	3591	# and maps saved/destroyed asynchronously.
2414	warn "begin emergency player save\n";	3592	warn "emergency_perl_save: begin player save\n";
2415	for my $login (keys %cf::PLAYER) {	3593	for my $login (keys %cf::PLAYER) {
2416	my $pl = $cf::PLAYER{$login} or next;	3594	my $pl = $cf::PLAYER{$login} or next;
2417	$pl->valid or next;	3595	$pl->valid or next;
		3596	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2418	$pl->save;	3597	$pl->save;
2419	}	3598	}
2420	warn "end emergency player save\n";	3599	warn "emergency_perl_save: end player save\n";
2421		3600
2422	warn "begin emergency map save\n";	3601	warn "emergency_perl_save: begin map save\n";
2423	for my $path (keys %cf::MAP) {	3602	for my $path (keys %cf::MAP) {
2424	my $map = $cf::MAP{$path} or next;	3603	my $map = $cf::MAP{$path} or next;
2425	$map->valid or next;	3604	$map->valid or next;
2426	$map->save;	3605	$map->save;
2427	}	3606	}
2428	warn "end emergency map save\n";	3607	warn "emergency_perl_save: end map save\n";
2429		3608
2430	warn "begin emergency database checkpoint\n";	3609	warn "emergency_perl_save: begin database checkpoint\n";
2431	BDB::db_env_txn_checkpoint $DB_ENV;	3610	BDB::db_env_txn_checkpoint $DB_ENV;
2432	warn "end emergency database checkpoint\n";	3611	warn "emergency_perl_save: end database checkpoint\n";
		3612
		3613	warn "emergency_perl_save: begin write uuid\n";
		3614	write_uuid_sync 1;
		3615	warn "emergency_perl_save: end write uuid\n";
2433	};	3616	};
2434		3617
		3618	warn "emergency_perl_save: starting sync()\n";
		3619	IO::AIO::aio_sync sub {
		3620	warn "emergency_perl_save: finished sync()\n";
		3621	};
		3622
2435	warn "leave emergency perl save\n";	3623	warn "emergency_perl_save: leave\n";
2436	}	3624	}
2437		3625
2438	sub post_cleanup {	3626	sub post_cleanup {
2439	my ($make_core) = @_;	3627	my ($make_core) = @_;
2440		3628
2441	warn Carp::longmess "post_cleanup backtrace"	3629	warn Carp::longmess "post_cleanup backtrace"
2442	if $make_core;	3630	if $make_core;
2443	}
2444		3631
		3632	my $fh = pidfile;
		3633	unlink $PIDFILE if <$fh> == $$;
		3634	}
		3635
		3636	# a safer delete_package, copied from Symbol
		3637	sub clear_package($) {
		3638	my $pkg = shift;
		3639
		3640	# expand to full symbol table name if needed
		3641	unless ($pkg =~ /^main::.*::$/) {
		3642	$pkg = "main$pkg" if $pkg =~ /^::/;
		3643	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3644	$pkg .= '::' unless $pkg =~ /::$/;
		3645	}
		3646
		3647	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3648	my $stem_symtab = *{$stem}{HASH};
		3649
		3650	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3651	or return;
		3652
		3653	# clear all symbols
		3654	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3655	for my $name (keys %$leaf_symtab) {
		3656	_gv_clear *{"$pkg$name"};
		3657	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3658	}
		3659	warn "cleared package $pkg\n";#d#
		3660	}
		3661
2445	sub reload() {	3662	sub do_reload_perl() {
2446	# can/must only be called in main	3663	# can/must only be called in main
2447	if ($Coro::current != $Coro::main) {	3664	if ($Coro::current != $Coro::main) {
2448	warn "can only reload from main coroutine";	3665	warn "can only reload from main coroutine";
2449	return;	3666	return;
2450	}	3667	}
2451		3668
		3669	return if $RELOAD++;
		3670
		3671	my $t1 = EV::time;
		3672
		3673	while ($RELOAD) {
2452	warn "reloading...";	3674	warn "reloading...";
2453		3675
2454	warn "entering sync_job";	3676	warn "entering sync_job";
2455		3677
2456	cf::sync_job {	3678	cf::sync_job {
2457	cf::write_runtime; # external watchdog should not bark	3679	cf::write_runtime_sync; # external watchdog should not bark
2458	cf::emergency_save;	3680	cf::emergency_save;
2459	cf::write_runtime; # external watchdog should not bark	3681	cf::write_runtime_sync; # external watchdog should not bark
2460		3682
2461	warn "syncing database to disk";	3683	warn "syncing database to disk";
2462	BDB::db_env_txn_checkpoint $DB_ENV;	3684	BDB::db_env_txn_checkpoint $DB_ENV;
2463		3685
2464	# if anything goes wrong in here, we should simply crash as we already saved	3686	# if anything goes wrong in here, we should simply crash as we already saved
2465		3687
2466	warn "cancelling all WF_AUTOCANCEL watchers";
2467	for (Event::all_watchers) {
2468	$_->cancel if $_->data & WF_AUTOCANCEL;
2469	}
2470
2471	warn "flushing outstanding aio requests";	3688	warn "flushing outstanding aio requests";
2472	for (;;) {
2473	BDB::flush;
2474	IO::AIO::flush;
2475	Coro::cede;
2476	last unless IO::AIO::nreqs || BDB::nreqs;	3689	while (IO::AIO::nreqs || BDB::nreqs) {
2477	warn "iterate...";	3690	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2478	}
2479
2480	++$RELOAD;
2481
2482	warn "cancelling all extension coros";
2483	$_->cancel for values %EXT_CORO;
2484	%EXT_CORO = ();
2485
2486	warn "removing commands";
2487	%COMMAND = ();
2488
2489	warn "removing ext commands";
2490	%EXTCMD = ();
2491
2492	warn "unloading/nuking all extensions";
2493	for my $pkg (@EXTS) {
2494	warn "... unloading $pkg";
2495
2496	if (my $cb = $pkg->can ("unload")) {
2497	eval {
2498	$cb->($pkg);
2499	1
2500	} or warn "$pkg unloaded, but with errors: $@";
2501	}	3691	}
2502		3692
2503	warn "... nuking $pkg";	3693	warn "cancelling all extension coros";
2504	Symbol::delete_package $pkg;	3694	$_->cancel for values %EXT_CORO;
2505	}	3695	%EXT_CORO = ();
2506		3696
2507	warn "unloading all perl modules loaded from $LIBDIR";	3697	warn "removing commands";
2508	while (my ($k, $v) = each %INC) {	3698	%COMMAND = ();
2509	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2510		3699
		3700	warn "removing ext/exti commands";
		3701	%EXTCMD = ();
		3702	%EXTICMD = ();
		3703
		3704	warn "unloading/nuking all extensions";
		3705	for my $pkg (@EXTS) {
2511	warn "... unloading $k";	3706	warn "... unloading $pkg";
2512	delete $INC{$k};
2513		3707
2514	$k =~ s/\.pm$//;
2515	$k =~ s/\//::/g;
2516
2517	if (my $cb = $k->can ("unload_module")) {	3708	if (my $cb = $pkg->can ("unload")) {
		3709	eval {
2518	$cb->();	3710	$cb->($pkg);
		3711	1
		3712	} or warn "$pkg unloaded, but with errors: $@";
		3713	}
		3714
		3715	warn "... clearing $pkg";
		3716	clear_package $pkg;
2519	}	3717	}
2520		3718
2521	Symbol::delete_package $k;	3719	warn "unloading all perl modules loaded from $LIBDIR";
		3720	while (my ($k, $v) = each %INC) {
		3721	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3722
		3723	warn "... unloading $k";
		3724	delete $INC{$k};
		3725
		3726	$k =~ s/\.pm$//;
		3727	$k =~ s/\//::/g;
		3728
		3729	if (my $cb = $k->can ("unload_module")) {
		3730	$cb->();
		3731	}
		3732
		3733	clear_package $k;
2522	}	3734	}
2523		3735
2524	warn "getting rid of safe::, as good as possible";	3736	warn "getting rid of safe::, as good as possible";
2525	Symbol::delete_package "safe::$_"	3737	clear_package "safe::$_"
2526	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3738	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2527		3739
2528	warn "unloading cf.pm \"a bit\"";	3740	warn "unloading cf.pm \"a bit\"";
2529	delete $INC{"cf.pm"};	3741	delete $INC{"cf.pm"};
		3742	delete $INC{"cf/pod.pm"};
2530		3743
2531	# don't, removes xs symbols, too,	3744	# don't, removes xs symbols, too,
2532	# and global variables created in xs	3745	# and global variables created in xs
2533	#Symbol::delete_package __PACKAGE__;	3746	#clear_package __PACKAGE__;
2534		3747
2535	warn "unload completed, starting to reload now";	3748	warn "unload completed, starting to reload now";
2536		3749
2537	warn "reloading cf.pm";	3750	warn "reloading cf.pm";
2538	require cf;	3751	require cf;
2539	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3752	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2540		3753
2541	warn "loading config and database again";	3754	warn "loading config and database again";
2542	cf::cfg_load;	3755	cf::reload_config;
2543		3756
2544	warn "loading extensions";	3757	warn "loading extensions";
2545	cf::load_extensions;	3758	cf::load_extensions;
2546		3759
		3760	if ($REATTACH_ON_RELOAD) {
2547	warn "reattaching attachments to objects/players";	3761	warn "reattaching attachments to objects/players";
2548	_global_reattach; # objects, sockets	3762	_global_reattach; # objects, sockets
2549	warn "reattaching attachments to maps";	3763	warn "reattaching attachments to maps";
2550	reattach $_ for values %MAP;	3764	reattach $_ for values %MAP;
2551	warn "reattaching attachments to players";	3765	warn "reattaching attachments to players";
2552	reattach $_ for values %PLAYER;	3766	reattach $_ for values %PLAYER;
		3767	}
2553		3768
2554	warn "loading reloadable resources";	3769	warn "running post_init jobs";
2555	reload_resources;	3770	(pop @POST_INIT)->(1) while @POST_INIT;
2556		3771
2557	warn "leaving sync_job";	3772	warn "leaving sync_job";
2558		3773
2559	1	3774	1
2560	} or do {	3775	} or do {
2561	warn $@;	3776	warn $@;
2562	warn "error while reloading, exiting.";	3777	cf::cleanup "error while reloading, exiting.";
2563	exit 1;	3778	};
		3779
		3780	warn "reloaded";
		3781	--$RELOAD;
		3782	}
		3783
		3784	$t1 = EV::time - $t1;
		3785	warn "reload completed in ${t1}s\n";
		3786	};
		3787
		3788	our $RELOAD_WATCHER; # used only during reload
		3789
		3790	sub reload_perl() {
		3791	# doing reload synchronously and two reloads happen back-to-back,
		3792	# coro crashes during coro_state_free->destroy here.
		3793
		3794	$RELOAD_WATCHER ||= cf::async {
		3795	Coro::AIO::aio_wait cache_extensions;
		3796
		3797	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3798	do_reload_perl;
		3799	undef $RELOAD_WATCHER;
		3800	};
2564	};	3801	};
2565		3802	}
2566	warn "reloaded";
2567	};
2568
2569	our $RELOAD_WATCHER; # used only during reload
2570		3803
2571	register_command "reload" => sub {	3804	register_command "reload" => sub {
2572	my ($who, $arg) = @_;	3805	my ($who, $arg) = @_;
2573		3806
2574	if ($who->flag (FLAG_WIZ)) {	3807	if ($who->flag (FLAG_WIZ)) {
2575	$who->message ("reloading server.");	3808	$who->message ("reloading server.");
2576		3809	async {
2577	# doing reload synchronously and two reloads happen back-to-back,	3810	$Coro::current->{desc} = "perl_reload";
2578	# coro crashes during coro_state_free->destroy here.
2579
2580	$RELOAD_WATCHER ||= Event->timer (
2581	reentrant => 0,
2582	after => 0,
2583	data => WF_AUTOCANCEL,
2584	cb => sub {
2585	reload;	3811	reload_perl;
2586	undef $RELOAD_WATCHER;
2587	},
2588	);	3812	};
2589	}	3813	}
2590	};	3814	};
2591		3815
2592	unshift @INC, $LIBDIR;	3816	unshift @INC, $LIBDIR;
2593		3817
2594	my $bug_warning = 0;	3818	my $bug_warning = 0;
2595		3819
2596	$TICK_WATCHER = Event->timer (	3820	our @WAIT_FOR_TICK;
2597	reentrant => 0,	3821	our @WAIT_FOR_TICK_BEGIN;
2598	parked => 1,	3822
2599	prio => 0,	3823	sub wait_for_tick {
2600	at => $NEXT_TICK || $TICK,	3824	return if tick_inhibit || $Coro::current == $Coro::main;
2601	data => WF_AUTOCANCEL,	3825
2602	cb => sub {	3826	my $signal = new Coro::Signal;
		3827	push @WAIT_FOR_TICK, $signal;
		3828	$signal->wait;
		3829	}
		3830
		3831	sub wait_for_tick_begin {
		3832	return if tick_inhibit || $Coro::current == $Coro::main;
		3833
		3834	my $signal = new Coro::Signal;
		3835	push @WAIT_FOR_TICK_BEGIN, $signal;
		3836	$signal->wait;
		3837	}
		3838
		3839	sub tick {
2603	if ($Coro::current != $Coro::main) {	3840	if ($Coro::current != $Coro::main) {
2604	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3841	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2605	unless ++$bug_warning > 10;	3842	unless ++$bug_warning > 10;
2606	return;	3843	return;
2607	}	3844	}
2608		3845
2609	$NOW = Event::time;
2610
2611	cf::server_tick; # one server iteration	3846	cf::server_tick; # one server iteration
2612	$RUNTIME += $TICK;
2613	$NEXT_TICK += $TICK;
2614		3847
2615	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3848	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2616	$NEXT_RUNTIME_WRITE = $NOW + 10;	3849	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2617	Coro::async_pool {	3850	Coro::async_pool {
		3851	$Coro::current->{desc} = "runtime saver";
2618	write_runtime	3852	write_runtime_sync
2619	or warn "ERROR: unable to write runtime file: $!";	3853	or warn "ERROR: unable to write runtime file: $!";
2620	};
2621	}	3854	};
2622
2623	$WAIT_FOR_TICK->broadcast;
2624	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2625
2626	# my $AFTER = Event::time;
2627	# warn $AFTER - $NOW;#d#
2628
2629	# if we are delayed by four ticks or more, skip them all
2630	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2631
2632	$TICK_WATCHER->at ($NEXT_TICK);
2633	$TICK_WATCHER->start;
2634	},	3855	}
2635	);	3856
		3857	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3858	$sig->send;
		3859	}
		3860	while (my $sig = shift @WAIT_FOR_TICK) {
		3861	$sig->send;
		3862	}
		3863
		3864	$LOAD = ($NOW - $TICK_START) / $TICK;
		3865	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3866
		3867	if (0) {
		3868	if ($NEXT_TICK) {
		3869	my $jitter = $TICK_START - $NEXT_TICK;
		3870	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3871	warn "jitter $JITTER\n";#d#
		3872	}
		3873	}
		3874	}
2636		3875
2637	{	3876	{
2638	BDB::max_poll_time $TICK * 0.1;	3877	# configure BDB
2639	$BDB_POLL_WATCHER = Event->io (	3878
2640	reentrant => 0,
2641	fd => BDB::poll_fileno,
2642	poll => 'r',
2643	prio => 0,
2644	data => WF_AUTOCANCEL,
2645	cb => \&BDB::poll_cb,
2646	);
2647	BDB::min_parallel 8;	3879	BDB::min_parallel 8;
2648		3880	BDB::max_poll_reqs $TICK * 0.1;
2649	BDB::set_sync_prepare {	3881	$AnyEvent::BDB::WATCHER->priority (1);
2650	my $status;
2651	my $current = $Coro::current;
2652	(
2653	sub {
2654	$status = $!;
2655	$current->ready; undef $current;
2656	},
2657	sub {
2658	Coro::schedule while defined $current;
2659	$! = $status;
2660	},
2661	)
2662	};
2663		3882
2664	unless ($DB_ENV) {	3883	unless ($DB_ENV) {
2665	$DB_ENV = BDB::db_env_create;	3884	$DB_ENV = BDB::db_env_create;
		3885	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3886	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3887	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3888	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3889	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2666		3890
2667	cf::sync_job {	3891	cf::sync_job {
2668	eval {	3892	eval {
2669	BDB::db_env_open	3893	BDB::db_env_open
2670	$DB_ENV,	3894	$DB_ENV,
2671	$BDB_ENV_DIR,	3895	$BDBDIR,
2672	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3896	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2673	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3897	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2674	0666;	3898	0666;
2675		3899
2676	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3900	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2677
2678	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2679	$DB_ENV->set_lk_detect;
2680	};	3901	};
2681		3902
2682	cf::cleanup "db_env_open(db): $@" if $@;	3903	cf::cleanup "db_env_open(db): $@" if $@;
2683	};	3904	};
2684	}	3905	}
		3906
		3907	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3908	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3909	};
		3910	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3911	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3912	};
		3913	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3914	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3915	};
2685	}	3916	}
2686		3917
2687	{	3918	{
		3919	# configure IO::AIO
		3920
2688	IO::AIO::min_parallel 8;	3921	IO::AIO::min_parallel 8;
2689
2690	undef $Coro::AIO::WATCHER;
2691	IO::AIO::max_poll_time $TICK * 0.1;	3922	IO::AIO::max_poll_time $TICK * 0.1;
2692	$AIO_POLL_WATCHER = Event->io (	3923	undef $AnyEvent::AIO::WATCHER;
2693	reentrant => 0,
2694	data => WF_AUTOCANCEL,
2695	fd => IO::AIO::poll_fileno,
2696	poll => 'r',
2697	prio => 6,
2698	cb => \&IO::AIO::poll_cb,
2699	);
2700	}	3924	}
		3925
		3926	my $_log_backtrace;
		3927
		3928	sub _log_backtrace {
		3929	my ($msg, @addr) = @_;
		3930
		3931	$msg =~ s/\n//;
		3932
		3933	# limit the # of concurrent backtraces
		3934	if ($_log_backtrace < 2) {
		3935	++$_log_backtrace;
		3936	my $perl_bt = Carp::longmess $msg;
		3937	async {
		3938	$Coro::current->{desc} = "abt $msg";
		3939
		3940	my @bt = fork_call {
		3941	@addr = map { sprintf "%x", $_ } @addr;
		3942	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3943	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3944	or die "addr2line: $!";
		3945
		3946	my @funcs;
		3947	my @res = <$fh>;
		3948	chomp for @res;
		3949	while (@res) {
		3950	my ($func, $line) = splice @res, 0, 2, ();
		3951	push @funcs, "[$func] $line";
		3952	}
		3953
		3954	@funcs
		3955	};
		3956
		3957	LOG llevInfo, "[ABT] $perl_bt\n";
		3958	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3959	LOG llevInfo, "[ABT] $_\n" for @bt;
		3960	--$_log_backtrace;
		3961	};
		3962	} else {
		3963	LOG llevInfo, "[ABT] $msg\n";
		3964	LOG llevInfo, "[ABT] [suppressed]\n";
		3965	}
		3966	}
		3967
		3968	# load additional modules
		3969	use cf::pod;
2701		3970
2702	END { cf::emergency_save }	3971	END { cf::emergency_save }
2703		3972
2704	1	3973	1
2705		3974

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