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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.212 by root, Tue Feb 13 19:25:44 2007 UTC vs.
Revision 1.457 by root, Wed Oct 1 05:50:19 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
		31	use EV;
9	use Opcode;	32	use Opcode;
10	use Safe;	33	use Safe;
11	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
12		36
13	use Coro 3.5 ();	37	use Coro ();
		38	use Coro::State;
		39	use Coro::Handle;
		40	use Coro::EV;
14	use Coro::Event;	41	use Coro::AnyEvent;
15	use Coro::Timer;	42	use Coro::Timer;
16	use Coro::Signal;	43	use Coro::Signal;
17	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
18	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
		48	use Coro::Storable;
		49	use Coro::Util ();
19		50
		51	use JSON::XS 2.01 ();
20	use BDB ();	52	use BDB ();
21	use Data::Dumper;	53	use Data::Dumper;
22	use Digest::MD5;	54	use Digest::MD5;
23	use Fcntl;	55	use Fcntl;
		56	use YAML ();
24	use IO::AIO 2.32 ();	57	use IO::AIO ();
25	use YAML::Syck ();
26	use Time::HiRes;	58	use Time::HiRes;
27	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
28		61
		62	AnyEvent::detect;
		63
		64	# configure various modules to our taste
		65	#
		66	$Storable::canonical = 1; # reduce rsync transfers
		67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		68
		69	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		70
		71	# make sure c-lzf reinitialises itself
		72	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	73	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		74
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		76
40	our %COMMAND = ();	77	our %COMMAND = ();
41	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
42		79
43	our @EXTS = (); # list of extension package names	80	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	81	our %EXTCMD = ();
		82	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	83	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	84	our %EXT_MAP = (); # pluggable maps
47		85
		86	our $RELOAD; # number of reloads so far, non-zero while in reload
48	our @EVENT;	87	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		88
51	our $TICK = MAX_TIME * 1e-6;	89	our $CONFDIR = confdir;
52	our $TICK_WATCHER;	90	our $DATADIR = datadir;
53	our $AIO_POLL_WATCHER;	91	our $LIBDIR = "$DATADIR/ext";
54	our $WRITE_RUNTIME_WATCHER;	92	our $PODDIR = "$DATADIR/pod";
		93	our $MAPDIR = "$DATADIR/" . mapdir;
		94	our $LOCALDIR = localdir;
		95	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		96	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		97	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		98	our $RANDOMDIR = "$LOCALDIR/random";
		99	our $BDBDIR = "$LOCALDIR/db";
		100	our $PIDFILE = "$LOCALDIR/pid";
		101	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		102
		103	our %RESOURCE;
		104
		105	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	107	our $NEXT_TICK;
56	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		109
		110	our $BDB_DEADLOCK_WATCHER;
		111	our $BDB_CHECKPOINT_WATCHER;
59	our $BDB_POLL_WATCHER;	112	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	113	our $DB_ENV;
61		114
62	our %CFG;	115	our %CFG;
63		116
64	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
66		120
67	our %PLAYER; # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	123	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		124
76	# used to convert map paths into valid unix filenames by replacing / by ∕	125	# used to convert map paths into valid unix filenames by replacing / by ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		127
		128	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		129	our $LOADAVG; # same thing, but with alpha-smoothing
		130	our $JITTER; # average jitter
		131	our $TICK_START; # for load detecting purposes
		132
		133	our @POST_INIT;
		134
		135	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
		136
79	binmode STDOUT;	137	binmode STDOUT;
80	binmode STDERR;	138	binmode STDERR;
81		139
82	# read virtual server time, if available	140	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	141	unless ($RUNTIME || !-e $RUNTIMEFILE) {
84	open my $fh, "<", cf::localdir . "/runtime"	142	open my $fh, "<", $RUNTIMEFILE
85	or die "unable to read runtime file: $!";	143	or die "unable to read $RUNTIMEFILE file: $!";
86	$RUNTIME = <$fh> + 0.;	144	$RUNTIME = <$fh> + 0.;
87	}	145	}
88		146
89	mkdir cf::localdir;	147	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	148	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91	mkdir cf::localdir . "/" . cf::tmpdir;
92	mkdir cf::localdir . "/" . cf::uniquedir;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		149
96	our $EMERGENCY_POSITION;	150	our $EMERGENCY_POSITION;
97		151
98	sub cf::map::normalise;	152	sub cf::map::normalise;
99		153
…		…
110	=item $cf::RUNTIME	164	=item $cf::RUNTIME
111		165
112	The time this server has run, starts at 0 and is increased by $cf::TICK on	166	The time this server has run, starts at 0 and is increased by $cf::TICK on
113	every server tick.	167	every server tick.
114		168
115	=item $cf::LIBDIR	169	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		170	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		171	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116		172
117	The perl library directory, where extensions and cf-specific modules can	173	Various directories - "/etc", read-only install directory, perl-library
118	be found. It will be added to C<@INC> automatically.	174	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		175	unique-items directory, player file directory, random maps directory and
		176	database environment.
119		177
120	=item $cf::NOW	178	=item $cf::NOW
121		179
122	The time of the last (current) server tick.	180	The time of the last (current) server tick.
123		181
124	=item $cf::TICK	182	=item $cf::TICK
125		183
126	The interval between server ticks, in seconds.	184	The interval between server ticks, in seconds.
127		185
		186	=item $cf::LOADAVG
		187
		188	The current CPU load on the server (alpha-smoothed), as a value between 0
		189	(none) and 1 (overloaded), indicating how much time is spent on processing
		190	objects per tick. Healthy values are < 0.5.
		191
		192	=item $cf::LOAD
		193
		194	The raw value load value from the last tick.
		195
128	=item %cf::CFG	196	=item %cf::CFG
129		197
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	198	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	199	from wherever your confdir points to.
132		200
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	201	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		202
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	203	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	204	returns directly I<after> the tick processing (and consequently, can only wake one process
137	processing has been done. Call C<< ->wait >> on them to maximise the	205	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138	window of cpu time available, or simply to synchronise to the server tick.	206
		207	=item @cf::INVOKE_RESULTS
		208
		209	This array contains the results of the last C<invoke ()> call. When
		210	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		211	that call.
139		212
140	=back	213	=back
141		214
142	=cut	215	=cut
143		216
144	BEGIN {	217	BEGIN {
145	*CORE::GLOBAL::warn = sub {	218	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	219	my $msg = join "", @_;
147	utf8::encode $msg;
148		220
149	$msg .= "\n"	221	$msg .= "\n"
150	unless $msg =~ /\n$/;	222	unless $msg =~ /\n$/;
151		223
		224	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		225
152	LOG llevError, $msg;	226	LOG llevError, $msg;
153	};	227	};
154	}	228	}
		229
		230	$Coro::State::DIEHOOK = sub {
		231	return unless $^S eq 0; # "eq", not "=="
		232
		233	if ($Coro::current == $Coro::main) {#d#
		234	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		235	return;#d#
		236	}#d#
		237
		238	# kill coroutine otherwise
		239	warn Carp::longmess $_[0];
		240	Coro::terminate
		241	};
		242
		243	$SIG{__DIE__} = sub { }; #d#?
155		244
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	245	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	246	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	247	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	248	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	249	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		250	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	251	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162		252
163	# we bless all objects into (empty) derived classes to force a method lookup	253	# we bless all objects into (empty) derived classes to force a method lookup
164	# within the Safe compartment.	254	# within the Safe compartment.
165	for my $pkg (qw(	255	for my $pkg (qw(
166	cf::global cf::attachable	256	cf::global cf::attachable
167	cf::object cf::object::player	257	cf::object cf::object::player
168	cf::client cf::player	258	cf::client cf::player
169	cf::arch cf::living	259	cf::arch cf::living
		260	cf::map cf::mapspace
170	cf::map cf::party cf::region	261	cf::party cf::region
171	)) {	262	)) {
172	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	263	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	264	}
175		265
176	$Event::DIED = sub {	266	$EV::DIED = sub {
177	warn "error in event callback: @_";	267	warn "error in event callback: @_";
178	};	268	};
		269
		270	#############################################################################
179		271
180	=head2 UTILITY FUNCTIONS	272	=head2 UTILITY FUNCTIONS
181		273
182	=over 4	274	=over 4
183		275
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	294	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	295	$d
204	} || "[unable to dump $_[0]: '$@']";	296	} || "[unable to dump $_[0]: '$@']";
205	}	297	}
206		298
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	299	=item $ref = cf::decode_json $json
210		300
211	Converts a JSON string into the corresponding perl data structure.	301	Converts a JSON string into the corresponding perl data structure.
212		302
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	303	=item $json = cf::encode_json $ref
221		304
222	Converts a perl data structure into its JSON representation.	305	Converts a perl data structure into its JSON representation.
223		306
224	=cut	307	=cut
225		308
226	sub to_json($) {	309	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	310
228	JSON::Syck::Dump $_[0]	311	sub encode_json($) { $json_coder->encode ($_[0]) }
		312	sub decode_json($) { $json_coder->decode ($_[0]) }
		313
		314	=item cf::post_init { BLOCK }
		315
		316	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		317	but I<before> the server starts ticking again.
		318
		319	The cdoeblock will have a single boolean argument to indicate whether this
		320	is a reload or not.
		321
		322	=cut
		323
		324	sub post_init(&) {
		325	push @POST_INIT, shift;
229	}	326	}
230		327
231	=item cf::lock_wait $string	328	=item cf::lock_wait $string
232		329
233	Wait until the given lock is available. See cf::lock_acquire.	330	Wait until the given lock is available. See cf::lock_acquire.
…		…
237	Wait until the given lock is available and then acquires it and returns	334	Wait until the given lock is available and then acquires it and returns
238	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	335	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
239	for example when the coroutine gets canceled), the lock is automatically	336	for example when the coroutine gets canceled), the lock is automatically
240	returned.	337	returned.
241		338
		339	Locks are *not* recursive, locking from the same coro twice results in a
		340	deadlocked coro.
		341
242	Lock names should begin with a unique identifier (for example, cf::map::find	342	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	343	uses map_find and cf::map::load uses map_load).
244		344
		345	=item $locked = cf::lock_active $string
		346
		347	Return true if the lock is currently active, i.e. somebody has locked it.
		348
245	=cut	349	=cut
246		350
247	our %LOCK;	351	our %LOCK;
		352	our %LOCKER;#d#
248		353
249	sub lock_wait($) {	354	sub lock_wait($) {
250	my ($key) = @_;	355	my ($key) = @_;
251		356
		357	if ($LOCKER{$key} == $Coro::current) {#d#
		358	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		359	return;#d#
		360	}#d#
		361
252	# wait for lock, if any	362	# wait for lock, if any
253	while ($LOCK{$key}) {	363	while ($LOCK{$key}) {
		364	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
254	push @{ $LOCK{$key} }, $Coro::current;	365	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;	366	Coro::schedule;
256	}	367	}
257	}	368	}
258		369
…		…
261		372
262	# wait, to be sure we are not locked	373	# wait, to be sure we are not locked
263	lock_wait $key;	374	lock_wait $key;
264		375
265	$LOCK{$key} = [];	376	$LOCK{$key} = [];
		377	$LOCKER{$key} = $Coro::current;#d#
266		378
267	Coro::guard {	379	Coro::guard {
		380	delete $LOCKER{$key};#d#
268	# wake up all waiters, to be on the safe side	381	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	382	$_->ready for @{ delete $LOCK{$key} };
270	}	383	}
271	}	384	}
272		385
		386	sub lock_active($) {
		387	my ($key) = @_;
		388
		389	! ! $LOCK{$key}
		390	}
		391
273	sub freeze_mainloop {	392	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	393	tick_inhibit_inc;
275		394
276	my $guard = Coro::guard {	395	Coro::guard \&tick_inhibit_dec;
277	$TICK_WATCHER->start;	396	}
278	$WRITE_RUNTIME_WATCHER->start;	397
		398	=item cf::periodic $interval, $cb
		399
		400	Like EV::periodic, but randomly selects a starting point so that the actions
		401	get spread over timer.
		402
		403	=cut
		404
		405	sub periodic($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
		411	}
		412
		413	=item cf::get_slot $time[, $priority[, $name]]
		414
		415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		416	This call blocks and returns only when you have at least C<$time> seconds
		417	of cpu time till the next tick. The slot is only valid till the next cede.
		418
		419	The optional C<$name> can be used to identify the job to run. It might be
		420	used for statistical purposes and should identify the same time-class.
		421
		422	Useful for short background jobs.
		423
		424	=cut
		425
		426	our @SLOT_QUEUE;
		427	our $SLOT_QUEUE;
		428
		429	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		430	$SLOT_QUEUE = Coro::async {
		431	$Coro::current->desc ("timeslot manager");
		432
		433	my $signal = new Coro::Signal;
		434
		435	while () {
		436	next_job:
		437	my $avail = cf::till_tick;
		438	if ($avail > 0.01) {
		439	for (0 .. $#SLOT_QUEUE) {
		440	if ($SLOT_QUEUE[$_][0] < $avail) {
		441	my $job = splice @SLOT_QUEUE, $_, 1, ();
		442	$job->[2]->send;
		443	Coro::cede;
		444	goto next_job;
		445	}
		446	}
		447	}
		448
		449	if (@SLOT_QUEUE) {
		450	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		451	push @cf::WAIT_FOR_TICK, $signal;
		452	$signal->wait;
		453	} else {
		454	Coro::schedule;
		455	}
279	};	456	}
280	$WRITE_RUNTIME_WATCHER->stop;	457	};
281	$TICK_WATCHER->stop;	458
282	$guard	459	sub get_slot($;$$) {
		460	return if tick_inhibit || $Coro::current == $Coro::main;
		461
		462	my ($time, $pri, $name) = @_;
		463
		464	$time = $TICK * .6 if $time > $TICK * .6;
		465	my $sig = new Coro::Signal;
		466
		467	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		468	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		469	$SLOT_QUEUE->ready;
		470	$sig->wait;
283	}	471	}
284		472
285	=item cf::async { BLOCK }	473	=item cf::async { BLOCK }
286		474
287	Currently the same as Coro::async_pool, meaning you cannot use	475	Currently the same as Coro::async_pool, meaning you cannot use
…		…
292		480
293	BEGIN { *async = \&Coro::async_pool }	481	BEGIN { *async = \&Coro::async_pool }
294		482
295	=item cf::sync_job { BLOCK }	483	=item cf::sync_job { BLOCK }
296		484
297	The design of crossfire+ requires that the main coro ($Coro::main) is	485	The design of Deliantra requires that the main coroutine ($Coro::main)
298	always able to handle events or runnable, as crossfire+ is only partly	486	is always able to handle events or runnable, as Deliantra is only
299	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	487	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		488	acceptable.
300		489
301	If it must be done, put the blocking parts into C<sync_job>. This will run	490	If it must be done, put the blocking parts into C<sync_job>. This will run
302	the given BLOCK in another coroutine while waiting for the result. The	491	the given BLOCK in another coroutine while waiting for the result. The
303	server will be frozen during this time, so the block should either finish	492	server will be frozen during this time, so the block should either finish
304	fast or be very important.	493	fast or be very important.
…		…
307		496
308	sub sync_job(&) {	497	sub sync_job(&) {
309	my ($job) = @_;	498	my ($job) = @_;
310		499
311	if ($Coro::current == $Coro::main) {	500	if ($Coro::current == $Coro::main) {
		501	my $time = EV::time;
		502
312	# this is the main coro, too bad, we have to block	503	# this is the main coro, too bad, we have to block
313	# till the operation succeeds, freezing the server :/	504	# till the operation succeeds, freezing the server :/
314		505
315	# TODO: use suspend/resume instead	506	LOG llevError, Carp::longmess "sync job";#d#
316	# (but this is cancel-safe)	507
317	my $freeze_guard = freeze_mainloop;	508	my $freeze_guard = freeze_mainloop;
318		509
319	my $busy = 1;	510	my $busy = 1;
320	my @res;	511	my @res;
321		512
322	(async {	513	(async {
		514	$Coro::current->desc ("sync job coro");
323	@res = eval { $job->() };	515	@res = eval { $job->() };
324	warn $@ if $@;	516	warn $@ if $@;
325	undef $busy;	517	undef $busy;
326	})->prio (Coro::PRIO_MAX);	518	})->prio (Coro::PRIO_MAX);
327		519
328	while ($busy) {	520	while ($busy) {
329	Coro::cede or Event::one_event;	521	if (Coro::nready) {
		522	Coro::cede_notself;
		523	} else {
		524	EV::loop EV::LOOP_ONESHOT;
330	}	525	}
		526	}
		527
		528	my $time = EV::time - $time;
		529
		530	$TICK_START += $time; # do not account sync jobs to server load
331		531
332	wantarray ? @res : $res[0]	532	wantarray ? @res : $res[0]
333	} else {	533	} else {
334	# we are in another coroutine, how wonderful, everything just works	534	# we are in another coroutine, how wonderful, everything just works
335		535
…		…
355	$EXT_CORO{$coro+0} = $coro;	555	$EXT_CORO{$coro+0} = $coro;
356		556
357	$coro	557	$coro
358	}	558	}
359		559
360	sub write_runtime {	560	=item fork_call { }, $args
361	my $runtime = cf::localdir . "/runtime";
362		561
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	562	Executes the given code block with the given arguments in a seperate
364	or return;	563	process, returning the results. Everything must be serialisable with
		564	Coro::Storable. May, of course, block. Note that the executed sub may
		565	never block itself or use any form of event handling.
365		566
366	my $value = $cf::RUNTIME + 90 + 10;	567	=cut
367	# 10 is the runtime save interval, for a monotonic clock
368	# 60 allows for the watchdog to kill the server.
369		568
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	569	sub fork_call(&@) {
371	and return;	570	my ($cb, @args) = @_;
372		571
373	# always fsync - this file is important	572	# we seemingly have to make a local copy of the whole thing,
374	aio_fsync $fh	573	# otherwise perl prematurely frees the stuff :/
375	and return;	574	# TODO: investigate and fix (likely this will be rather laborious)
376		575
377	close $fh	576	my @res = Coro::Util::fork_eval {
378	or return;	577	reset_signals;
		578	&$cb
		579	}, @args;
379		580
380	aio_rename "$runtime~", $runtime	581	wantarray ? @res : $res[-1]
381	and return;	582	}
382		583
		584	=item $coin = coin_from_name $name
		585
		586	=cut
		587
		588	our %coin_alias = (
		589	"silver" => "silvercoin",
		590	"silvercoin" => "silvercoin",
		591	"silvercoins" => "silvercoin",
		592	"gold" => "goldcoin",
		593	"goldcoin" => "goldcoin",
		594	"goldcoins" => "goldcoin",
		595	"platinum" => "platinacoin",
		596	"platinumcoin" => "platinacoin",
		597	"platinumcoins" => "platinacoin",
		598	"platina" => "platinacoin",
		599	"platinacoin" => "platinacoin",
		600	"platinacoins" => "platinacoin",
		601	"royalty" => "royalty",
		602	"royalties" => "royalty",
		603	);
		604
		605	sub coin_from_name($) {
		606	$coin_alias{$_[0]}
		607	? cf::arch::find $coin_alias{$_[0]}
		608	: undef
		609	}
		610
		611	=item $value = cf::db_get $family => $key
		612
		613	Returns a single value from the environment database.
		614
		615	=item cf::db_put $family => $key => $value
		616
		617	Stores the given C<$value> in the family. It can currently store binary
		618	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		619
		620	=item $db = cf::db_table "name"
		621
		622	Create and/or open a new database table. The string must not be "db" and must be unique
		623	within each server.
		624
		625	=cut
		626
		627	sub db_table($) {
		628	my ($name) = @_;
		629	my $db = BDB::db_create $DB_ENV;
		630
		631	eval {
		632	$db->set_flags (BDB::CHKSUM);
		633
		634	utf8::encode $name;
		635	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		636	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		637	cf::cleanup "db_open(db): $!" if $!;
		638	};
		639	cf::cleanup "db_open(db): $@" if $@;
		640
		641	$db
		642	}
		643
		644	our $DB;
		645
		646	sub db_init {
		647	cf::sync_job {
		648	$DB ||= db_table "db";
		649	};
		650	}
		651
		652	sub db_get($$) {
		653	my $key = "$_[0]/$_[1]";
		654
		655	cf::sync_job {
		656	BDB::db_get $DB, undef, $key, my $data;
		657
		658	$! ? ()
		659	: $data
383	1	660	}
		661	}
		662
		663	sub db_put($$$) {
		664	BDB::dbreq_pri 4;
		665	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		666	}
		667
		668	=item cf::cache $id => [$paths...], $processversion => $process
		669
		670	Generic caching function that returns the value of the resource $id,
		671	caching and regenerating as required.
		672
		673	This function can block.
		674
		675	=cut
		676
		677	sub cache {
		678	my ($id, $src, $processversion, $process) = @_;
		679
		680	my $meta =
		681	join "\x00",
		682	$processversion,
		683	map {
		684	aio_stat $_
		685	and Carp::croak "$_: $!";
		686
		687	($_, (stat _)[7,9])
		688	} @$src;
		689
		690	my $dbmeta = db_get cache => "$id/meta";
		691	if ($dbmeta ne $meta) {
		692	# changed, we may need to process
		693
		694	my @data;
		695	my $md5;
		696
		697	for (0 .. $#$src) {
		698	0 <= aio_load $src->[$_], $data[$_]
		699	or Carp::croak "$src->[$_]: $!";
		700	}
		701
		702	# if processing is expensive, check
		703	# checksum first
		704	if (1) {
		705	$md5 =
		706	join "\x00",
		707	$processversion,
		708	map {
		709	cf::cede_to_tick;
		710	($src->[$_], Digest::MD5::md5_hex $data[$_])
		711	} 0.. $#$src;
		712
		713
		714	my $dbmd5 = db_get cache => "$id/md5";
		715	if ($dbmd5 eq $md5) {
		716	db_put cache => "$id/meta", $meta;
		717
		718	return db_get cache => "$id/data";
		719	}
		720	}
		721
		722	my $t1 = Time::HiRes::time;
		723	my $data = $process->(\@data);
		724	my $t2 = Time::HiRes::time;
		725
		726	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		727
		728	db_put cache => "$id/data", $data;
		729	db_put cache => "$id/md5" , $md5;
		730	db_put cache => "$id/meta", $meta;
		731
		732	return $data;
		733	}
		734
		735	db_get cache => "$id/data"
		736	}
		737
		738	=item cf::datalog type => key => value, ...
		739
		740	Log a datalog packet of the given type with the given key-value pairs.
		741
		742	=cut
		743
		744	sub datalog($@) {
		745	my ($type, %kv) = @_;
		746	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
384	}	747	}
385		748
386	=back	749	=back
387		750
388	=cut	751	=cut
389		752
390	#############################################################################	753	#############################################################################
391		754
392	=head2 ATTACHABLE OBJECTS	755	=head2 ATTACHABLE OBJECTS
393		756
394	Many objects in crossfire are so-called attachable objects. That means you can	757	Many objects in deliantra are so-called attachable objects. That means you can
395	attach callbacks/event handlers (a collection of which is called an "attachment")	758	attach callbacks/event handlers (a collection of which is called an "attachment")
396	to it. All such attachable objects support the following methods.	759	to it. All such attachable objects support the following methods.
397		760
398	In the following description, CLASS can be any of C<global>, C<object>	761	In the following description, CLASS can be any of C<global>, C<object>
399	C<player>, C<client> or C<map> (i.e. the attachable objects in	762	C<player>, C<client> or C<map> (i.e. the attachable objects in
400	crossfire+).	763	Deliantra).
401		764
402	=over 4	765	=over 4
403		766
404	=item $attachable->attach ($attachment, key => $value...)	767	=item $attachable->attach ($attachment, key => $value...)
405		768
…		…
449	=item cf::CLASS::attachment $name, ...	812	=item cf::CLASS::attachment $name, ...
450		813
451	Register an attachment by C<$name> through which attachable objects of the	814	Register an attachment by C<$name> through which attachable objects of the
452	given CLASS can refer to this attachment.	815	given CLASS can refer to this attachment.
453		816
454	Some classes such as crossfire maps and objects can specify attachments	817	Some classes such as deliantra maps and objects can specify attachments
455	that are attached at load/instantiate time, thus the need for a name.	818	that are attached at load/instantiate time, thus the need for a name.
456		819
457	These calls expect any number of the following handler/hook descriptions:	820	These calls expect any number of the following handler/hook descriptions:
458		821
459	=over 4	822	=over 4
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	931	$registry = $CB_TYPE[$object_type] ||= [];
569		932
570	} elsif ($type eq "subtype") {	933	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	934	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	935	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	936	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		937
575	} elsif ($type eq "package") {	938	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	939	my $pkg = shift @arg;
577		940
578	while (my ($name, $id) = each %cb_id) {	941	while (my ($name, $id) = each %cb_id) {
…		…
607	_attach $registry, $klass, @attach;	970	_attach $registry, $klass, @attach;
608	}	971	}
609		972
610	$obj->{$name} = \%arg;	973	$obj->{$name} = \%arg;
611	} else {	974	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	975	warn "object uses attachment '$name' which is not available, postponing.\n";
613	}	976	}
614		977
615	$obj->{_attachment}{$name} = undef;	978	$obj->{_attachment}{$name} = undef;
616	}	979	}
617		980
…		…
619	if (ref $_[0]) {	982	if (ref $_[0]) {
620	_object_attach @_;	983	_object_attach @_;
621	} else {	984	} else {
622	_attach shift->_attach_registry, @_;	985	_attach shift->_attach_registry, @_;
623	}	986	}
		987	_recalc_want;
624	};	988	};
625		989
626	# all those should be optimised	990	# all those should be optimised
627	sub cf::attachable::detach {	991	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	992	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	995	delete $obj->{_attachment}{$name};
632	reattach ($obj);	996	reattach ($obj);
633	} else {	997	} else {
634	Carp::croak "cannot, currently, detach class attachments";	998	Carp::croak "cannot, currently, detach class attachments";
635	}	999	}
		1000	_recalc_want;
636	};	1001	};
637		1002
638	sub cf::attachable::attached {	1003	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	1004	my ($obj, $name) = @_;
640		1005
…		…
655	";	1020	";
656	die if $@;	1021	die if $@;
657	}	1022	}
658		1023
659	our $override;	1024	our $override;
660	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1025	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
661		1026
662	sub override {	1027	sub override {
663	$override = 1;	1028	$override = 1;
664	@invoke_results = ();	1029	@INVOKE_RESULTS = (@_);
665	}	1030	}
666		1031
667	sub do_invoke {	1032	sub do_invoke {
668	my $event = shift;	1033	my $event = shift;
669	my $callbacks = shift;	1034	my $callbacks = shift;
670		1035
671	@invoke_results = ();	1036	@INVOKE_RESULTS = ();
672		1037
673	local $override;	1038	local $override;
674		1039
675	for (@$callbacks) {	1040	for (@$callbacks) {
676	eval { &{$_->[1]} };	1041	eval { &{$_->[1]} };
…		…
685	}	1050	}
686		1051
687	0	1052	0
688	}	1053	}
689		1054
690	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
691		1056
692	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1057	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
693		1058
694	Generate an object-specific event with the given arguments.	1059	Generate an object-specific event with the given arguments.
695		1060
696	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1061	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
697	removed in future versions), and there is no public API to access override	1062	removed in future versions), and there is no public API to access override
698	results (if you must, access C<@cf::invoke_results> directly).	1063	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		1064
700	=back	1065	=back
701		1066
702	=cut	1067	=cut
703		1068
704	#############################################################################	1069	#############################################################################
705	# object support	1070	# object support
		1071
		1072	sub _object_equal($$);
		1073	sub _object_equal($$) {
		1074	my ($a, $b) = @_;
		1075
		1076	return 0 unless (ref $a) eq (ref $b);
		1077
		1078	if ("HASH" eq ref $a) {
		1079	my @ka = keys %$a;
		1080	my @kb = keys %$b;
		1081
		1082	return 0 if @ka != @kb;
		1083
		1084	for (0 .. $#ka) {
		1085	return 0 unless $ka[$_] eq $kb[$_];
		1086	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1087	}
		1088
		1089	} elsif ("ARRAY" eq ref $a) {
		1090
		1091	return 0 if @$a != @$b;
		1092
		1093	for (0 .. $#$a) {
		1094	return 0 unless _object_equal $a->[$_], $b->[$_];
		1095	}
		1096
		1097	} elsif ($a ne $b) {
		1098	return 0;
		1099	}
		1100
		1101	1
		1102	}
		1103
		1104	our $SLOW_MERGES;#d#
		1105	sub _can_merge {
		1106	my ($ob1, $ob2) = @_;
		1107
		1108	++$SLOW_MERGES;#d#
		1109
		1110	# we do the slow way here
		1111	return _object_equal $ob1, $ob2
		1112	}
706		1113
707	sub reattach {	1114	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	1115	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	1116	my ($obj) = @_;
710		1117
		1118	# no longer needed after getting rid of delete_package?
711	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1119	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
712		1120
713	my $registry = $obj->registry;	1121	my $registry = $obj->registry;
714		1122
715	@$registry = ();	1123	@$registry = ();
716		1124
…		…
731	cf::attachable->attach (	1139	cf::attachable->attach (
732	prio => -1000000,	1140	prio => -1000000,
733	on_instantiate => sub {	1141	on_instantiate => sub {
734	my ($obj, $data) = @_;	1142	my ($obj, $data) = @_;
735		1143
736	$data = from_json $data;	1144	$data = decode_json $data;
737		1145
738	for (@$data) {	1146	for (@$data) {
739	my ($name, $args) = @$_;	1147	my ($name, $args) = @$_;
740		1148
741	$obj->attach ($name, %{$args || {} });	1149	$obj->attach ($name, %{$args || {} });
…		…
757	sub object_freezer_save {	1165	sub object_freezer_save {
758	my ($filename, $rdata, $objs) = @_;	1166	my ($filename, $rdata, $objs) = @_;
759		1167
760	sync_job {	1168	sync_job {
761	if (length $$rdata) {	1169	if (length $$rdata) {
		1170	utf8::decode (my $decname = $filename);
762	warn sprintf "saving %s (%d,%d)\n",	1171	warn sprintf "saving %s (%d,%d)\n",
763	$filename, length $$rdata, scalar @$objs;	1172	$decname, length $$rdata, scalar @$objs;
764		1173
765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1174	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
766	chmod SAVE_MODE, $fh;	1175	aio_chmod $fh, SAVE_MODE;
767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1176	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1177	aio_fsync $fh if $cf::USE_FSYNC;
769	close $fh;	1178	aio_close $fh;
770		1179
771	if (@$objs) {	1180	if (@$objs) {
772	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1181	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
773	chmod SAVE_MODE, $fh;	1182	aio_chmod $fh, SAVE_MODE;
774	my $data = Storable::nfreeze { version => 1, objs => $objs };	1183	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
775	aio_write $fh, 0, (length $data), $data, 0;	1184	aio_write $fh, 0, (length $data), $data, 0;
776	aio_fsync $fh if $cf::USE_FSYNC;	1185	aio_fsync $fh if $cf::USE_FSYNC;
777	close $fh;	1186	aio_close $fh;
778	aio_rename "$filename.pst~", "$filename.pst";	1187	aio_rename "$filename.pst~", "$filename.pst";
779	}	1188	}
780	} else {	1189	} else {
781	aio_unlink "$filename.pst";	1190	aio_unlink "$filename.pst";
782	}	1191	}
783		1192
784	aio_rename "$filename~", $filename;	1193	aio_rename "$filename~", $filename;
		1194
		1195	$filename =~ s%/[^/]+$%%;
		1196	aio_pathsync $filename if $cf::USE_FSYNC;
785	} else {	1197	} else {
786	warn "FATAL: $filename~: $!\n";	1198	warn "FATAL: $filename~: $!\n";
787	}	1199	}
788	} else {	1200	} else {
789	aio_unlink $filename;	1201	aio_unlink $filename;
790	aio_unlink "$filename.pst";	1202	aio_unlink "$filename.pst";
791	}	1203	}
792
793	#d##TODO# nuke non .map-files if exist
794	if ($filename =~ s/\.map$//) {
795	aio_unlink $filename;
796	aio_unlink "$filename.pst";
797	}
798	}	1204	};
799	}	1205	}
800		1206
801	sub object_freezer_as_string {	1207	sub object_freezer_as_string {
802	my ($rdata, $objs) = @_;	1208	my ($rdata, $objs) = @_;
803		1209
…		…
808		1214
809	sub object_thawer_load {	1215	sub object_thawer_load {
810	my ($filename) = @_;	1216	my ($filename) = @_;
811		1217
812	my ($data, $av);	1218	my ($data, $av);
813
814	#d#TODO remove .map if file does not exist
815	aio_stat $filename and $filename =~ s/\.map$//;
816		1219
817	(aio_load $filename, $data) >= 0	1220	(aio_load $filename, $data) >= 0
818	or return;	1221	or return;
819		1222
820	unless (aio_stat "$filename.pst") {	1223	unless (aio_stat "$filename.pst") {
821	(aio_load "$filename.pst", $av) >= 0	1224	(aio_load "$filename.pst", $av) >= 0
822	or return;	1225	or return;
		1226
823	$av = eval { (Storable::thaw $av)->{objs} };	1227	my $st = eval { Coro::Storable::thaw $av };
		1228	$av = $st->{objs};
824	}	1229	}
825		1230
		1231	utf8::decode (my $decname = $filename);
826	warn sprintf "loading %s (%d)\n",	1232	warn sprintf "loading %s (%d,%d)\n",
827	$filename, length $data, scalar @{$av || []};#d#	1233	$decname, length $data, scalar @{$av || []};
		1234
828	return ($data, $av);	1235	($data, $av)
829	}	1236	}
		1237
		1238	=head2 COMMAND CALLBACKS
		1239
		1240	=over 4
		1241
		1242	=cut
830		1243
831	#############################################################################	1244	#############################################################################
832	# command handling &c	1245	# command handling &c
833		1246
834	=item cf::register_command $name => \&callback($ob,$args);	1247	=item cf::register_command $name => \&callback($ob,$args);
…		…
847	push @{ $COMMAND{$name} }, [$caller, $cb];	1260	push @{ $COMMAND{$name} }, [$caller, $cb];
848	}	1261	}
849		1262
850	=item cf::register_extcmd $name => \&callback($pl,$packet);	1263	=item cf::register_extcmd $name => \&callback($pl,$packet);
851		1264
852	Register a callbackf ro execution when the client sends an extcmd packet.	1265	Register a callback for execution when the client sends an (synchronous)
		1266	extcmd packet. Ext commands will be processed in the order they are
		1267	received by the server, like other user commands. The first argument is
		1268	the logged-in player. Ext commands can only be processed after a player
		1269	has logged in successfully.
853		1270
854	If the callback returns something, it is sent back as if reply was being	1271	If the callback returns something, it is sent back as if reply was being
855	called.	1272	called.
856		1273
		1274	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1275
		1276	Register a callback for execution when the client sends an (asynchronous)
		1277	exticmd packet. Exti commands are processed by the server as soon as they
		1278	are received, i.e. out of order w.r.t. other commands. The first argument
		1279	is a client socket. Exti commands can be received anytime, even before
		1280	log-in.
		1281
		1282	If the callback returns something, it is sent back as if reply was being
		1283	called.
		1284
857	=cut	1285	=cut
858		1286
859	sub register_extcmd {	1287	sub register_extcmd {
860	my ($name, $cb) = @_;	1288	my ($name, $cb) = @_;
861		1289
862	$EXTCMD{$name} = $cb;	1290	$EXTCMD{$name} = $cb;
863	}	1291	}
		1292
		1293	sub register_exticmd {
		1294	my ($name, $cb) = @_;
		1295
		1296	$EXTICMD{$name} = $cb;
		1297	}
		1298
		1299	use File::Glob ();
864		1300
865	cf::player->attach (	1301	cf::player->attach (
866	on_command => sub {	1302	on_command => sub {
867	my ($pl, $name, $params) = @_;	1303	my ($pl, $name, $params) = @_;
868		1304
…		…
876	cf::override;	1312	cf::override;
877	},	1313	},
878	on_extcmd => sub {	1314	on_extcmd => sub {
879	my ($pl, $buf) = @_;	1315	my ($pl, $buf) = @_;
880		1316
881	my $msg = eval { from_json $buf };	1317	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
882		1318
883	if (ref $msg) {	1319	if (ref $msg) {
		1320	my ($type, $reply, @payload) =
		1321	"ARRAY" eq ref $msg
		1322	? @$msg
		1323	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1324
		1325	my @reply;
		1326
884	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1327	if (my $cb = $EXTCMD{$type}) {
885	if (my %reply = $cb->($pl, $msg)) {	1328	@reply = $cb->($pl, @payload);
886	$pl->ext_reply ($msg->{msgid}, %reply);
887	}
888	}	1329	}
		1330
		1331	$pl->ext_reply ($reply, @reply)
		1332	if $reply;
		1333
889	} else {	1334	} else {
890	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1335	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
891	}	1336	}
892		1337
893	cf::override;	1338	cf::override;
894	},	1339	},
895	);	1340	);
896		1341
		1342	# "readahead" all extensions
897	sub load_extension {	1343	sub cache_extensions {
898	my ($path) = @_;	1344	my $grp = IO::AIO::aio_group;
899		1345
900	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1346	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
901	my $base = $1;	1347	for (grep /\.ext$/, @{$_[0]}) {
902	my $pkg = $1;	1348	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
903	$pkg =~ s/[^[:word:]]/_/g;
904	$pkg = "ext::$pkg";
905
906	warn "... loading '$path' into '$pkg'\n";
907
908	open my $fh, "<:utf8", $path
909	or die "$path: $!";
910
911	my $source =
912	"package $pkg; use strict; use utf8;\n"
913	. "#line 1 \"$path\"\n{\n"
914	. (do { local $/; <$fh> })
915	. "\n};\n1";
916
917	unless (eval $source) {
918	my $msg = $@ ? "$path: $@\n"
919	: "extension disabled.\n";
920	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
921	warn $@;
922	warn "mandatory extension failed to load, exiting.\n";
923	exit 1;
924	}	1349	}
925	die $@;
926	}	1350	};
927		1351
928	push @EXTS, $pkg;	1352	$grp
929	}	1353	}
930		1354
931	sub load_extensions {	1355	sub load_extensions {
		1356	cf::sync_job {
		1357	my %todo;
		1358
932	for my $ext (<$LIBDIR/*.ext>) {	1359	for my $path (<$LIBDIR/*.ext>) {
933	next unless -r $ext;	1360	next unless -r $path;
934	eval {	1361
935	load_extension $ext;	1362	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1363	my $base = $1;
		1364	my $pkg = $1;
		1365	$pkg =~ s/[^[:word:]]/_/g;
		1366	$pkg = "ext::$pkg";
		1367
		1368	open my $fh, "<:utf8", $path
		1369	or die "$path: $!";
		1370
		1371	my $source = do { local $/; <$fh> };
		1372
		1373	my %ext = (
		1374	path => $path,
		1375	base => $base,
		1376	pkg => $pkg,
		1377	);
		1378
		1379	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1380	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1381
		1382	$ext{source} =
		1383	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1384	. "#line 1 \"$path\"\n{\n"
		1385	. $source
		1386	. "\n};\n1";
		1387
		1388	$todo{$base} = \%ext;
		1389	}
		1390
		1391	my %done;
		1392	while (%todo) {
		1393	my $progress;
		1394
		1395	while (my ($k, $v) = each %todo) {
		1396	for (split /,\s*/, $v->{meta}{depends}) {
		1397	goto skip
		1398	unless exists $done{$_};
		1399	}
		1400
		1401	warn "... loading '$k' into '$v->{pkg}'\n";
		1402
		1403	unless (eval $v->{source}) {
		1404	my $msg = $@ ? "$v->{path}: $@\n"
		1405	: "$v->{base}: extension inactive.\n";
		1406
		1407	if (exists $v->{meta}{mandatory}) {
		1408	warn $msg;
		1409	cf::cleanup "mandatory extension failed to load, exiting.";
		1410	}
		1411
		1412	warn $msg;
		1413	}
		1414
		1415	$done{$k} = delete $todo{$k};
		1416	push @EXTS, $v->{pkg};
		1417	$progress = 1;
936	1	1418	}
937	} or warn "$ext not loaded: $@";	1419
		1420	skip:
		1421	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1422	unless $progress;
		1423	}
938	}	1424	};
939	}	1425	}
940		1426
941	#############################################################################	1427	#############################################################################
942		1428
		1429	=back
		1430
943	=head2 CORE EXTENSIONS	1431	=head2 CORE EXTENSIONS
944		1432
945	Functions and methods that extend core crossfire objects.	1433	Functions and methods that extend core deliantra objects.
946		1434
947	=cut	1435	=cut
948		1436
949	package cf::player;	1437	package cf::player;
950		1438
…		…
952		1440
953	=head3 cf::player	1441	=head3 cf::player
954		1442
955	=over 4	1443	=over 4
956		1444
		1445	=item cf::player::num_playing
		1446
		1447	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1448
		1449	=cut
		1450
		1451	sub num_playing {
		1452	scalar grep
		1453	$_->ob->map
		1454	&& !$_->hidden
		1455	&& !$_->ob->flag (cf::FLAG_WIZ),
		1456	cf::player::list
		1457	}
		1458
957	=item cf::player::find $login	1459	=item cf::player::find $login
958		1460
959	Returns the given player object, loading it if necessary (might block).	1461	Returns the given player object, loading it if necessary (might block).
960		1462
961	=cut	1463	=cut
962		1464
963	sub playerdir($) {	1465	sub playerdir($) {
964	cf::localdir	1466	"$PLAYERDIR/"
965	. "/"
966	. cf::playerdir
967	. "/"
968	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1467	. (ref $_[0] ? $_[0]->ob->name : $_[0])
969	}	1468	}
970		1469
971	sub path($) {	1470	sub path($) {
972	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1471	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
973		1472
974	(playerdir $login) . "/$login.pl"	1473	(playerdir $login) . "/playerdata"
975	}	1474	}
976		1475
977	sub find_active($) {	1476	sub find_active($) {
978	$cf::PLAYER{$_[0]}	1477	$cf::PLAYER{$_[0]}
979	and $cf::PLAYER{$_[0]}->active	1478	and $cf::PLAYER{$_[0]}->active
…		…
982		1481
983	sub exists($) {	1482	sub exists($) {
984	my ($login) = @_;	1483	my ($login) = @_;
985		1484
986	$cf::PLAYER{$login}	1485	$cf::PLAYER{$login}
987	or cf::sync_job { !aio_stat path $login }	1486	or !aio_stat path $login
988	}	1487	}
989		1488
990	sub find($) {	1489	sub find($) {
991	return $cf::PLAYER{$_[0]} || do {	1490	return $cf::PLAYER{$_[0]} || do {
992	my $login = $_[0];	1491	my $login = $_[0];
993		1492
994	my $guard = cf::lock_acquire "user_find:$login";	1493	my $guard = cf::lock_acquire "user_find:$login";
995		1494
996	$cf::PLAYER{$_[0]} || do {	1495	$cf::PLAYER{$_[0]} || do {
997	my $pl = load_pl path $login	1496	# rename old playerfiles to new ones
		1497	#TODO: remove when no longer required
		1498	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1499	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1500	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1501	aio_unlink +(playerdir $login) . "/$login.pl";
		1502
		1503	my $f = new_from_file cf::object::thawer path $login
998	or return;	1504	or return;
		1505
		1506	my $pl = cf::player::load_pl $f
		1507	or return;
		1508
		1509	local $cf::PLAYER_LOADING{$login} = $pl;
		1510	$f->resolve_delayed_derefs;
999	$cf::PLAYER{$login} = $pl	1511	$cf::PLAYER{$login} = $pl
1000	}	1512	}
1001	}	1513	}
1002	}	1514	}
1003		1515
…		…
1012	return if $pl->{deny_save};	1524	return if $pl->{deny_save};
1013		1525
1014	aio_mkdir playerdir $pl, 0770;	1526	aio_mkdir playerdir $pl, 0770;
1015	$pl->{last_save} = $cf::RUNTIME;	1527	$pl->{last_save} = $cf::RUNTIME;
1016		1528
		1529	cf::get_slot 0.01;
		1530
1017	$pl->save_pl ($path);	1531	$pl->save_pl ($path);
1018	Coro::cede;	1532	cf::cede_to_tick;
1019	}	1533	}
1020		1534
1021	sub new($) {	1535	sub new($) {
1022	my ($login) = @_;	1536	my ($login) = @_;
1023		1537
…		…
1029	$cf::PLAYER{$login} = $self;	1543	$cf::PLAYER{$login} = $self;
1030		1544
1031	$self	1545	$self
1032	}	1546	}
1033		1547
		1548	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1549
		1550	=cut
		1551
		1552	sub send_msg {
		1553	my $ns = shift->ns
		1554	or return;
		1555	$ns->send_msg (@_);
		1556	}
		1557
1034	=item $pl->quit_character	1558	=item $pl->quit_character
1035		1559
1036	Nukes the player without looking back. If logged in, the connection will	1560	Nukes the player without looking back. If logged in, the connection will
1037	be destroyed. May block for a long time.	1561	be destroyed. May block for a long time.
1038		1562
1039	=cut	1563	=cut
1040		1564
1041	sub quit_character {	1565	sub quit_character {
1042	my ($pl) = @_;	1566	my ($pl) = @_;
1043		1567
		1568	my $name = $pl->ob->name;
		1569
1044	$pl->{deny_save} = 1;	1570	$pl->{deny_save} = 1;
1045	$pl->password ("*"); # this should lock out the player until we nuked the dir	1571	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1046		1572
1047	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1573	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1048	$pl->deactivate;	1574	$pl->deactivate;
		1575	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1576	$pl->ob->check_score;
1049	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1577	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1050	$pl->ns->destroy if $pl->ns;	1578	$pl->ns->destroy if $pl->ns;
1051		1579
1052	my $path = playerdir $pl;	1580	my $path = playerdir $pl;
1053	my $temp = "$path~$cf::RUNTIME~deleting~";	1581	my $temp = "$path~$cf::RUNTIME~deleting~";
1054	aio_rename $path, $temp;	1582	aio_rename $path, $temp;
1055	delete $cf::PLAYER{$pl->ob->name};	1583	delete $cf::PLAYER{$pl->ob->name};
1056	$pl->destroy;	1584	$pl->destroy;
		1585
		1586	my $prefix = qr<^~\Q$name\E/>;
		1587
		1588	# nuke player maps
		1589	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1590
1057	IO::AIO::aio_rmtree $temp;	1591	IO::AIO::aio_rmtree $temp;
		1592	}
		1593
		1594	=item $pl->kick
		1595
		1596	Kicks a player out of the game. This destroys the connection.
		1597
		1598	=cut
		1599
		1600	sub kick {
		1601	my ($pl, $kicker) = @_;
		1602
		1603	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1604	$pl->killer ("kicked");
		1605	$pl->ns->destroy;
1058	}	1606	}
1059		1607
1060	=item cf::player::list_logins	1608	=item cf::player::list_logins
1061		1609
1062	Returns am arrayref of all valid playernames in the system, can take a	1610	Returns am arrayref of all valid playernames in the system, can take a
1063	while and may block, so not sync_job-capable, ever.	1611	while and may block, so not sync_job-capable, ever.
1064		1612
1065	=cut	1613	=cut
1066		1614
1067	sub list_logins {	1615	sub list_logins {
1068	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1616	my $dirs = aio_readdir $PLAYERDIR
1069	or return [];	1617	or return [];
1070		1618
1071	my @logins;	1619	my @logins;
1072		1620
1073	for my $login (@$dirs) {	1621	for my $login (@$dirs) {
		1622	my $path = path $login;
		1623
		1624	# a .pst is a dead give-away for a valid player
		1625	# if no pst file found, open and chekc for blocked users
		1626	if (aio_stat "$path.pst") {
1074	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1627	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1075	aio_read $fh, 0, 512, my $buf, 0 or next;	1628	aio_read $fh, 0, 512, my $buf, 0 or next;
1076	$buf !~ /^password -------------$/m or next; # official not-valid tag	1629	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1630	}
1077		1631
1078	utf8::decode $login;	1632	utf8::decode $login;
1079	push @logins, $login;	1633	push @logins, $login;
1080	}	1634	}
1081		1635
…		…
1108	}	1662	}
1109		1663
1110	\@paths	1664	\@paths
1111	}	1665	}
1112		1666
		1667	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1668
		1669	Expand deliantra pod fragments into protocol xml.
		1670
1113	=item $player->ext_reply ($msgid, $msgtype, %msg)	1671	=item $player->ext_reply ($msgid, @msg)
1114		1672
1115	Sends an ext reply to the player.	1673	Sends an ext reply to the player.
1116		1674
1117	=cut	1675	=cut
1118		1676
1119	sub ext_reply($$$%) {	1677	sub ext_reply($$@) {
1120	my ($self, $id, %msg) = @_;	1678	my ($self, $id, @msg) = @_;
1121		1679
1122	$msg{msgid} = $id;	1680	$self->ns->ext_reply ($id, @msg)
1123
1124	$self->send ("ext " . cf::to_json \%msg);
1125	}	1681	}
1126		1682
1127	package cf;	1683	=item $player->ext_msg ($type, @msg)
		1684
		1685	Sends an ext event to the client.
		1686
		1687	=cut
		1688
		1689	sub ext_msg($$@) {
		1690	my ($self, $type, @msg) = @_;
		1691
		1692	$self->ns->ext_msg ($type, @msg);
		1693	}
		1694
		1695	=head3 cf::region
		1696
		1697	=over 4
		1698
		1699	=cut
		1700
		1701	package cf::region;
		1702
		1703	=item cf::region::find_by_path $path
		1704
		1705	Tries to decuce the likely region for a map knowing only its path.
		1706
		1707	=cut
		1708
		1709	sub find_by_path($) {
		1710	my ($path) = @_;
		1711
		1712	my ($match, $specificity);
		1713
		1714	for my $region (list) {
		1715	if ($region->{match} && $path =~ $region->{match}) {
		1716	($match, $specificity) = ($region, $region->specificity)
		1717	if $region->specificity > $specificity;
		1718	}
		1719	}
		1720
		1721	$match
		1722	}
1128		1723
1129	=back	1724	=back
1130
1131		1725
1132	=head3 cf::map	1726	=head3 cf::map
1133		1727
1134	=over 4	1728	=over 4
1135		1729
…		…
1147	our $MAX_RESET = 3600;	1741	our $MAX_RESET = 3600;
1148	our $DEFAULT_RESET = 3000;	1742	our $DEFAULT_RESET = 3000;
1149		1743
1150	sub generate_random_map {	1744	sub generate_random_map {
1151	my ($self, $rmp) = @_;	1745	my ($self, $rmp) = @_;
		1746
		1747	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1748
1152	# mit "rum" bekleckern, nicht	1749	# mit "rum" bekleckern, nicht
1153	$self->_create_random_map (	1750	$self->_create_random_map (
1154	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1751	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1155	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1752	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1156	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1753	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1190	my ($self, $merge) = @_;	1787	my ($self, $merge) = @_;
1191		1788
1192	# we have to keep some variables in memory intact	1789	# we have to keep some variables in memory intact
1193	local $self->{path};	1790	local $self->{path};
1194	local $self->{load_path};	1791	local $self->{load_path};
1195	local $self->{deny_save};
1196	local $self->{deny_reset};
1197		1792
1198	$self->SUPER::thawer_merge ($merge);	1793	$self->SUPER::thawer_merge ($merge);
1199	}	1794	}
1200		1795
1201	sub normalise {	1796	sub normalise {
…		…
1248	$self->init; # pass $1 etc.	1843	$self->init; # pass $1 etc.
1249	return $self;	1844	return $self;
1250	}	1845	}
1251	}	1846	}
1252		1847
1253	Carp::carp "unable to resolve path '$path' (base '$base').";	1848	Carp::cluck "unable to resolve path '$path' (base '$base').";
1254	()	1849	()
1255	}	1850	}
1256		1851
1257	sub init {	1852	sub init {
1258	my ($self) = @_;	1853	my ($self) = @_;
…		…
1273		1868
1274	# the original (read-only) location	1869	# the original (read-only) location
1275	sub load_path {	1870	sub load_path {
1276	my ($self) = @_;	1871	my ($self) = @_;
1277		1872
1278	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1873	"$MAPDIR/$self->{path}.map"
1279	}	1874	}
1280		1875
1281	# the temporary/swap location	1876	# the temporary/swap location
1282	sub save_path {	1877	sub save_path {
1283	my ($self) = @_;	1878	my ($self) = @_;
1284		1879
1285	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1880	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1286	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1881	"$TMPDIR/$path.map"
1287	}	1882	}
1288		1883
1289	# the unique path, undef == no special unique path	1884	# the unique path, undef == no special unique path
1290	sub uniq_path {	1885	sub uniq_path {
1291	my ($self) = @_;	1886	my ($self) = @_;
1292		1887
1293	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1888	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1294	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1889	"$UNIQUEDIR/$path"
1295	}	1890	}
1296		1891
1297	# and all this just because we cannot iterate over	1892	# and all this just because we cannot iterate over
1298	# all maps in C++...	1893	# all maps in C++...
1299	sub change_all_map_light {	1894	sub change_all_map_light {
…		…
1301		1896
1302	$_->change_map_light ($change)	1897	$_->change_map_light ($change)
1303	for grep $_->outdoor, values %cf::MAP;	1898	for grep $_->outdoor, values %cf::MAP;
1304	}	1899	}
1305		1900
		1901	sub decay_objects {
		1902	my ($self) = @_;
		1903
		1904	return if $self->{deny_reset};
		1905
		1906	$self->do_decay_objects;
		1907	}
		1908
1306	sub unlink_save {	1909	sub unlink_save {
1307	my ($self) = @_;	1910	my ($self) = @_;
1308		1911
1309	utf8::encode (my $save = $self->save_path);	1912	utf8::encode (my $save = $self->save_path);
1310	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1913	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1311	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1914	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1312
1313	#d#TODO remove .map and also nuke
1314	$save =~ s/\.map// or return;#d#
1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1316	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1317	}	1915	}
1318		1916
1319	sub load_header_from($) {	1917	sub load_header_from($) {
1320	my ($self, $path) = @_;	1918	my ($self, $path) = @_;
1321		1919
1322	utf8::encode $path;	1920	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	1921	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	or return;	1922	or return;
		1923
		1924	$self->_load_header ($f)
		1925	or return;
		1926
		1927	local $MAP_LOADING{$self->{path}} = $self;
		1928	$f->resolve_delayed_derefs;
1328		1929
1329	$self->{load_path} = $path;	1930	$self->{load_path} = $path;
1330		1931
1331	1	1932	1
1332	}	1933	}
…		…
1371	$self->load_header_orig	1972	$self->load_header_orig
1372	or return;	1973	or return;
1373	$self->prepare_orig;	1974	$self->prepare_orig;
1374	}	1975	}
1375		1976
		1977	$self->{deny_reset} = 1
		1978	if $self->no_reset;
		1979
		1980	$self->default_region (cf::region::find_by_path $self->{path})
		1981	unless $self->default_region;
		1982
1376	1	1983	1
1377	}	1984	}
1378		1985
1379	sub find;	1986	sub find;
1380	sub find {	1987	sub find {
1381	my ($path, $origin) = @_;	1988	my ($path, $origin) = @_;
1382		1989
1383	$path = normalise $path, $origin && $origin->path;	1990	$path = normalise $path, $origin && $origin->path;
1384		1991
		1992	cf::lock_wait "map_data:$path";#d#remove
1385	cf::lock_wait "map_find:$path";	1993	cf::lock_wait "map_find:$path";
1386		1994
1387	$cf::MAP{$path} || do {	1995	$cf::MAP{$path} || do {
		1996	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1388	my $guard = cf::lock_acquire "map_find:$path";	1997	my $guard2 = cf::lock_acquire "map_find:$path";
		1998
1389	my $map = new_from_path cf::map $path	1999	my $map = new_from_path cf::map $path
1390	or return;	2000	or return;
1391		2001
1392	$map->{last_save} = $cf::RUNTIME;	2002	$map->{last_save} = $cf::RUNTIME;
1393		2003
1394	$map->load_header	2004	$map->load_header
1395	or return;	2005	or return;
1396		2006
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2007	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	2008	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	2009	#$cf::WAIT_FOR_TICK->wait;
		2010	undef $guard2;
		2011	undef $guard1;
1400	$map->reset;	2012	$map->reset;
1401	undef $guard;
1402	return find $path;	2013	return find $path;
1403	}	2014	}
1404		2015
1405	$cf::MAP{$path} = $map	2016	$cf::MAP{$path} = $map
1406	}	2017	}
…		…
1413	my ($self) = @_;	2024	my ($self) = @_;
1414		2025
1415	local $self->{deny_reset} = 1; # loading can take a long time	2026	local $self->{deny_reset} = 1; # loading can take a long time
1416		2027
1417	my $path = $self->{path};	2028	my $path = $self->{path};
		2029
		2030	{
1418	my $guard = cf::lock_acquire "map_load:$path";	2031	my $guard = cf::lock_acquire "map_data:$path";
1419		2032
		2033	return unless $self->valid;
1420	return if $self->in_memory != cf::MAP_SWAPPED;	2034	return unless $self->in_memory == cf::MAP_SWAPPED;
1421		2035
1422	$self->in_memory (cf::MAP_LOADING);	2036	$self->in_memory (cf::MAP_LOADING);
1423		2037
1424	$self->alloc;	2038	$self->alloc;
1425		2039
1426	$self->pre_load;	2040	$self->pre_load;
		2041	cf::cede_to_tick;
1427		2042
1428	$self->_load_objects ($self->{load_path}, 1)	2043	my $f = new_from_file cf::object::thawer $self->{load_path};
		2044	$f->skip_block;
		2045	$self->_load_objects ($f)
1429	or return;	2046	or return;
1430		2047
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2048	$self->post_load_original
1432	if delete $self->{load_original};	2049	if delete $self->{load_original};
1433		2050
1434	if (my $uniq = $self->uniq_path) {	2051	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	2052	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	2053	unless (aio_stat $uniq) {
		2054	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	2055	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	2056	$self->_load_objects ($f);
		2057	$f->resolve_delayed_derefs;
		2058	}
1439	}	2059	}
1440	}	2060	}
1441		2061
1442	Coro::cede;	2062	$f->resolve_delayed_derefs;
1443		2063
		2064	cf::cede_to_tick;
1444	# now do the right thing for maps	2065	# now do the right thing for maps
1445	$self->link_multipart_objects;	2066	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;
1452	$self->set_darkness_map;
1453	$self->difficulty ($self->estimate_difficulty)	2067	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	2068	unless $self->difficulty;
1455	Coro::cede;	2069	cf::cede_to_tick;
		2070
		2071	unless ($self->{deny_activate}) {
		2072	$self->decay_objects;
		2073	$self->fix_auto_apply;
		2074	$self->update_buttons;
		2075	cf::cede_to_tick;
		2076	$self->set_darkness_map;
		2077	cf::cede_to_tick;
1456	$self->activate;	2078	$self->activate;
		2079	}
		2080
		2081	$self->{last_save} = $cf::RUNTIME;
		2082	$self->last_access ($cf::RUNTIME);
		2083
		2084	$self->in_memory (cf::MAP_ACTIVE);
1457	}	2085	}
1458		2086
1459	$self->post_load;	2087	$self->post_load;
1460
1461	$self->in_memory (cf::MAP_IN_MEMORY);
1462	}	2088	}
1463		2089
1464	sub customise_for {	2090	sub customise_for {
1465	my ($self, $ob) = @_;	2091	my ($self, $ob) = @_;
1466		2092
1467	return find "~" . $ob->name . "/" . $self->{path}	2093	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	2094	if $self->per_player;
1469		2095
		2096	# return find "?party/" . $ob->name . "/" . $self->{path}
		2097	# if $self->per_party;
		2098
1470	$self	2099	$self
1471	}	2100	}
1472		2101
1473	# find and load all maps in the 3x3 area around a map	2102	# find and load all maps in the 3x3 area around a map
1474	sub load_diag {	2103	sub load_neighbours {
1475	my ($map) = @_;	2104	my ($map) = @_;
1476		2105
1477	my @diag; # diagonal neighbours	2106	my @neigh; # diagonal neighbours
1478		2107
1479	for (0 .. 3) {	2108	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)	2109	my $neigh = $map->tile_path ($_)
1481	or next;	2110	or next;
1482	$neigh = find $neigh, $map	2111	$neigh = find $neigh, $map
1483	or next;	2112	or next;
1484	$neigh->load;	2113	$neigh->load;
1485		2114
		2115	push @neigh,
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2116	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2117	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}	2118	}
1489		2119
1490	for (@diag) {	2120	for (grep defined $_->[0], @neigh) {
		2121	my ($path, $origin) = @$_;
1491	my $neigh = find @$_	2122	my $neigh = find $path, $origin
1492	or next;	2123	or next;
1493	$neigh->load;	2124	$neigh->load;
1494	}	2125	}
1495	}	2126	}
1496		2127
…		…
1501	}	2132	}
1502		2133
1503	sub do_load_sync {	2134	sub do_load_sync {
1504	my ($map) = @_;	2135	my ($map) = @_;
1505		2136
		2137	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2138	if $Coro::current == $Coro::main;
		2139
1506	cf::sync_job { $map->load };	2140	cf::sync_job { $map->load };
1507	}	2141	}
1508		2142
1509	our %MAP_PREFETCH;	2143	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	2144	our $MAP_PREFETCHER = undef;
1511		2145
1512	sub find_async {	2146	sub find_async {
1513	my ($path, $origin) = @_;	2147	my ($path, $origin, $load) = @_;
1514		2148
1515	$path = normalise $path, $origin && $origin->{path};	2149	$path = normalise $path, $origin && $origin->{path};
1516		2150
1517	if (my $map = $cf::MAP{$path}) {	2151	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2152	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1519	}	2153	}
1520		2154
1521	undef $MAP_PREFETCH{$path};	2155	$MAP_PREFETCH{$path} |= $load;
		2156
1522	$MAP_PREFETCHER ||= cf::async {	2157	$MAP_PREFETCHER ||= cf::async {
		2158	$Coro::current->{desc} = "map prefetcher";
		2159
1523	while (%MAP_PREFETCH) {	2160	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2161	while (my ($k, $v) = each %MAP_PREFETCH) {
1525	my $map = find $path	2162	if (my $map = find $k) {
1526	or next;
1527	$map->load;	2163	$map->load if $v;
		2164	}
1528		2165
1529	delete $MAP_PREFETCH{$path};	2166	delete $MAP_PREFETCH{$k};
1530	}	2167	}
1531	}	2168	}
1532	undef $MAP_PREFETCHER;	2169	undef $MAP_PREFETCHER;
1533	};	2170	};
1534	$MAP_PREFETCHER->prio (6);	2171	$MAP_PREFETCHER->prio (6);
…		…
1537	}	2174	}
1538		2175
1539	sub save {	2176	sub save {
1540	my ($self) = @_;	2177	my ($self) = @_;
1541		2178
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;	2179	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2180
1544	$self->{last_save} = $cf::RUNTIME;	2181	$self->{last_save} = $cf::RUNTIME;
1545		2182
1546	return unless $self->dirty;	2183	return unless $self->dirty;
1547		2184
…		…
1553	return if $self->{deny_save};	2190	return if $self->{deny_save};
1554		2191
1555	local $self->{last_access} = $self->last_access;#d#	2192	local $self->{last_access} = $self->last_access;#d#
1556		2193
1557	cf::async {	2194	cf::async {
		2195	$Coro::current->{desc} = "map player save";
1558	$_->contr->save for $self->players;	2196	$_->contr->save for $self->players;
1559	};	2197	};
		2198
		2199	cf::get_slot 0.02;
1560		2200
1561	if ($uniq) {	2201	if ($uniq) {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2202	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2203	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1564	} else {	2204	} else {
…		…
1570	my ($self) = @_;	2210	my ($self) = @_;
1571		2211
1572	# save first because save cedes	2212	# save first because save cedes
1573	$self->save;	2213	$self->save;
1574		2214
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2215	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2216
1577	return if $self->players;	2217	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;	2218	return if $self->in_memory != cf::MAP_ACTIVE;
1579	return if $self->{deny_save};	2219	return if $self->{deny_save};
1580		2220
		2221	$self->in_memory (cf::MAP_SWAPPED);
		2222
		2223	$self->deactivate;
		2224	$_->clear_links_to ($self) for values %cf::MAP;
1581	$self->clear;	2225	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2226	}
1584		2227
1585	sub reset_at {	2228	sub reset_at {
1586	my ($self) = @_;	2229	my ($self) = @_;
1587		2230
1588	# TODO: safety, remove and allow resettable per-player maps	2231	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	2232	return 1e99 if $self->{deny_reset};
1591		2233
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2234	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2235	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		2236
…		…
1605	my ($self) = @_;	2247	my ($self) = @_;
1606		2248
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2249	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2250
1609	return if $self->players;	2251	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2252
1612	warn "resetting map ", $self->path;#d#	2253	warn "resetting map ", $self->path;
1613		2254
1614	$self->in_memory (cf::MAP_SWAPPED);	2255	$self->in_memory (cf::MAP_SWAPPED);
1615		2256
1616	# need to save uniques path	2257	# need to save uniques path
1617	unless ($self->{deny_save}) {	2258	unless ($self->{deny_save}) {
…		…
1621	if $uniq;	2262	if $uniq;
1622	}	2263	}
1623		2264
1624	delete $cf::MAP{$self->path};	2265	delete $cf::MAP{$self->path};
1625		2266
		2267	$self->deactivate;
		2268	$_->clear_links_to ($self) for values %cf::MAP;
1626	$self->clear;	2269	$self->clear;
1627
1628	$_->clear_links_to ($self) for values %cf::MAP;
1629		2270
1630	$self->unlink_save;	2271	$self->unlink_save;
1631	$self->destroy;	2272	$self->destroy;
1632	}	2273	}
1633		2274
1634	my $nuke_counter = "aaaa";	2275	my $nuke_counter = "aaaa";
1635		2276
1636	sub nuke {	2277	sub nuke {
1637	my ($self) = @_;	2278	my ($self) = @_;
1638		2279
		2280	{
		2281	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2282
1639	delete $cf::MAP{$self->path};	2283	delete $cf::MAP{$self->path};
1640		2284
1641	$self->unlink_save;	2285	$self->unlink_save;
1642		2286
1643	bless $self, "cf::map";	2287	bless $self, "cf::map";
1644	delete $self->{deny_reset};	2288	delete $self->{deny_reset};
1645	$self->{deny_save} = 1;	2289	$self->{deny_save} = 1;
1646	$self->reset_timeout (1);	2290	$self->reset_timeout (1);
1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2291	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1648		2292
1649	$cf::MAP{$self->path} = $self;	2293	$cf::MAP{$self->path} = $self;
		2294	}
1650		2295
1651	$self->reset; # polite request, might not happen	2296	$self->reset; # polite request, might not happen
		2297	}
		2298
		2299	=item $maps = cf::map::tmp_maps
		2300
		2301	Returns an arrayref with all map paths of currently instantiated and saved
		2302	maps. May block.
		2303
		2304	=cut
		2305
		2306	sub tmp_maps() {
		2307	[
		2308	map {
		2309	utf8::decode $_;
		2310	/\.map$/
		2311	? normalise $_
		2312	: ()
		2313	} @{ aio_readdir $TMPDIR or [] }
		2314	]
		2315	}
		2316
		2317	=item $maps = cf::map::random_maps
		2318
		2319	Returns an arrayref with all map paths of currently instantiated and saved
		2320	random maps. May block.
		2321
		2322	=cut
		2323
		2324	sub random_maps() {
		2325	[
		2326	map {
		2327	utf8::decode $_;
		2328	/\.map$/
		2329	? normalise "?random/$_"
		2330	: ()
		2331	} @{ aio_readdir $RANDOMDIR or [] }
		2332	]
1652	}	2333	}
1653		2334
1654	=item cf::map::unique_maps	2335	=item cf::map::unique_maps
1655		2336
1656	Returns an arrayref of paths of all shared maps that have	2337	Returns an arrayref of paths of all shared maps that have
1657	instantiated unique items. May block.	2338	instantiated unique items. May block.
1658		2339
1659	=cut	2340	=cut
1660		2341
1661	sub unique_maps() {	2342	sub unique_maps() {
1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2343	[
1663	or return;	2344	map {
1664
1665	my @paths;
1666
1667	for (@$files) {
1668	utf8::decode $_;	2345	utf8::decode $_;
1669	next if /\.pst$/;	2346	s/\.map$//; # TODO future compatibility hack
1670	next unless /^$PATH_SEP/o;	2347	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1671		2348	? ()
1672	push @paths, cf::map::normalise $_;	2349	: normalise $_
		2350	} @{ aio_readdir $UNIQUEDIR or [] }
1673	}	2351	]
1674
1675	\@paths
1676	}	2352	}
1677
1678	package cf;
1679		2353
1680	=back	2354	=back
1681		2355
1682	=head3 cf::object	2356	=head3 cf::object
1683		2357
…		…
1687		2361
1688	=over 4	2362	=over 4
1689		2363
1690	=item $ob->inv_recursive	2364	=item $ob->inv_recursive
1691		2365
1692	Returns the inventory of the object _and_ their inventories, recursively.	2366	Returns the inventory of the object I<and> their inventories, recursively,
		2367	but I<not> the object itself.
1693		2368
1694	=cut	2369	=cut
1695		2370
1696	sub inv_recursive_;	2371	sub inv_recursive_;
1697	sub inv_recursive_ {	2372	sub inv_recursive_ {
…		…
1700		2375
1701	sub inv_recursive {	2376	sub inv_recursive {
1702	inv_recursive_ inv $_[0]	2377	inv_recursive_ inv $_[0]
1703	}	2378	}
1704		2379
		2380	=item $ref = $ob->ref
		2381
		2382	Creates and returns a persistent reference to an object that can be stored as a string.
		2383
		2384	=item $ob = cf::object::deref ($refstring)
		2385
		2386	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2387	even if the object actually exists. May block.
		2388
		2389	=cut
		2390
		2391	sub deref {
		2392	my ($ref) = @_;
		2393
		2394	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2395	my ($uuid, $name) = ($1, $2);
		2396	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2397	or return;
		2398	$pl->ob->uuid eq $uuid
		2399	or return;
		2400
		2401	$pl->ob
		2402	} else {
		2403	warn "$ref: cannot resolve object reference\n";
		2404	undef
		2405	}
		2406	}
		2407
1705	package cf;	2408	package cf;
1706		2409
1707	=back	2410	=back
1708		2411
1709	=head3 cf::object::player	2412	=head3 cf::object::player
…		…
1715	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2418	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1716	can be C<undef>. Does the right thing when the player is currently in a	2419	can be C<undef>. Does the right thing when the player is currently in a
1717	dialogue with the given NPC character.	2420	dialogue with the given NPC character.
1718		2421
1719	=cut	2422	=cut
		2423
		2424	our $SAY_CHANNEL = {
		2425	id => "say",
		2426	title => "Map",
		2427	reply => "say ",
		2428	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2429	};
		2430
		2431	our $CHAT_CHANNEL = {
		2432	id => "chat",
		2433	title => "Chat",
		2434	reply => "chat ",
		2435	tooltip => "Player chat and shouts, global to the server.",
		2436	};
1720		2437
1721	# rough implementation of a future "reply" method that works	2438	# rough implementation of a future "reply" method that works
1722	# with dialog boxes.	2439	# with dialog boxes.
1723	#TODO: the first argument must go, split into a $npc->reply_to ( method	2440	#TODO: the first argument must go, split into a $npc->reply_to ( method
1724	sub cf::object::player::reply($$$;$) {	2441	sub cf::object::player::reply($$$;$) {
…		…
1726		2443
1727	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2444	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1728		2445
1729	if ($self->{record_replies}) {	2446	if ($self->{record_replies}) {
1730	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2447	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2448
1731	} else {	2449	} else {
		2450	my $pl = $self->contr;
		2451
		2452	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2453	my $dialog = $pl->{npc_dialog};
		2454	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2455
		2456	} else {
1732	$msg = $npc->name . " says: $msg" if $npc;	2457	$msg = $npc->name . " says: $msg" if $npc;
1733	$self->message ($msg, $flags);	2458	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2459	}
1734	}	2460	}
		2461	}
		2462
		2463	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2464
		2465	=cut
		2466
		2467	sub cf::object::send_msg {
		2468	my $pl = shift->contr
		2469	or return;
		2470	$pl->send_msg (@_);
1735	}	2471	}
1736		2472
1737	=item $player_object->may ("access")	2473	=item $player_object->may ("access")
1738		2474
1739	Returns wether the given player is authorized to access resource "access"	2475	Returns wether the given player is authorized to access resource "access"
…		…
1752		2488
1753	=item $player_object->enter_link	2489	=item $player_object->enter_link
1754		2490
1755	Freezes the player and moves him/her to a special map (C<{link}>).	2491	Freezes the player and moves him/her to a special map (C<{link}>).
1756		2492
1757	The player should be reasonably safe there for short amounts of time. You	2493	The player should be reasonably safe there for short amounts of time (e.g.
1758	I<MUST> call C<leave_link> as soon as possible, though.	2494	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2495	though, as the palyer cannot control the character while it is on the link
		2496	map.
1759		2497
1760	Will never block.	2498	Will never block.
1761		2499
1762	=item $player_object->leave_link ($map, $x, $y)	2500	=item $player_object->leave_link ($map, $x, $y)
1763		2501
…		…
1786	$self->deactivate_recursive;	2524	$self->deactivate_recursive;
1787		2525
1788	return if UNIVERSAL::isa $self->map, "ext::map_link";	2526	return if UNIVERSAL::isa $self->map, "ext::map_link";
1789		2527
1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2528	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791	if $self->map;	2529	if $self->map && $self->map->{path} ne "{link}";
1792		2530
1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2531	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1794	}	2532	}
1795		2533
1796	sub cf::object::player::leave_link {	2534	sub cf::object::player::leave_link {
1797	my ($self, $map, $x, $y) = @_;	2535	my ($self, $map, $x, $y) = @_;
		2536
		2537	return unless $self->contr->active;
1798		2538
1799	my $link_pos = delete $self->{_link_pos};	2539	my $link_pos = delete $self->{_link_pos};
1800		2540
1801	unless ($map) {	2541	unless ($map) {
1802	# restore original map position	2542	# restore original map position
…		…
1816	# use -1 or undef as default coordinates, not 0, 0	2556	# use -1 or undef as default coordinates, not 0, 0
1817	($x, $y) = ($map->enter_x, $map->enter_y)	2557	($x, $y) = ($map->enter_x, $map->enter_y)
1818	if $x <=0 && $y <= 0;	2558	if $x <=0 && $y <= 0;
1819		2559
1820	$map->load;	2560	$map->load;
1821	$map->load_diag;	2561	$map->load_neighbours;
1822		2562
1823	return unless $self->contr->active;	2563	return unless $self->contr->active;
		2564	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1824	$self->activate_recursive;	2565	$self->activate_recursive;
		2566
		2567	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1825	$self->enter_map ($map, $x, $y);	2568	$self->enter_map ($map, $x, $y);
1826	}	2569	}
1827		2570
1828	cf::player->attach (	2571	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1829	on_logout => sub {
1830	my ($pl) = @_;
1831		2572
1832	# abort map switching before logout	2573	Moves the player to the given map-path and coordinates by first freezing
1833	if ($pl->ob->{_link_pos}) {	2574	her, loading and preparing them map, calling the provided $check callback
1834	cf::sync_job {	2575	that has to return the map if sucecssful, and then unfreezes the player on
1835	$pl->ob->leave_link	2576	the new (success) or old (failed) map position. In either case, $done will
1836	};	2577	be called at the end of this process.
1837	}
1838	},
1839	on_login => sub {
1840	my ($pl) = @_;
1841		2578
1842	# try to abort aborted map switching on player login :)	2579	Note that $check will be called with a potentially non-loaded map, so if
1843	# should happen only on crashes	2580	it needs a loaded map it has to call C<< ->load >>.
1844	if ($pl->ob->{_link_pos}) {
1845	$pl->ob->enter_link;
1846	(async {
1847	# we need this sleep as the login has a concurrent enter_exit running
1848	# and this sleep increases chances of the player not ending up in scorn
1849	$pl->ob->reply (undef,
1850	"There was an internal problem at your last logout, "
1851	. "the server will try to bring you to your intended destination in a second.",
1852	cf::NDI_RED);
1853	Coro::Timer::sleep 1;
1854	$pl->ob->leave_link;
1855	})->prio (2);
1856	}
1857	},
1858	);
1859		2581
1860	=item $player_object->goto ($path, $x, $y)
1861
1862	=cut	2582	=cut
		2583
		2584	our $GOTOGEN;
1863		2585
1864	sub cf::object::player::goto {	2586	sub cf::object::player::goto {
1865	my ($self, $path, $x, $y) = @_;	2587	my ($self, $path, $x, $y, $check, $done) = @_;
		2588
		2589	# do generation counting so two concurrent goto's will be executed in-order
		2590	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1866		2591
1867	$self->enter_link;	2592	$self->enter_link;
1868		2593
1869	(async {	2594	(async {
		2595	$Coro::current->{desc} = "player::goto $path $x $y";
		2596
		2597	# *tag paths override both path and x|y
		2598	if ($path =~ /^\*(.*)$/) {
		2599	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2600	my $ob = $obs[rand @obs];
		2601
		2602	# see if we actually can go there
		2603	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2604	$ob = $obs[rand @obs];
		2605	} else {
		2606	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2607	}
		2608	# else put us there anyways for now #d#
		2609
		2610	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2611	} else {
		2612	($path, $x, $y) = (undef, undef, undef);
		2613	}
		2614	}
		2615
1870	my $map = eval {	2616	my $map = eval {
1871	my $map = cf::map::find $path;	2617	my $map = defined $path ? cf::map::find $path : undef;
		2618
		2619	if ($map) {
1872	$map = $map->customise_for ($self) if $map;	2620	$map = $map->customise_for ($self);
		2621	$map = $check->($map) if $check && $map;
		2622	} else {
		2623	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2624	}
		2625
1873	$map	2626	$map
		2627	};
		2628
		2629	if ($@) {
		2630	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2631	LOG llevError | logBacktrace, Carp::longmess $@;
1874	} or	2632	}
1875	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1876		2633
		2634	if ($gen == $self->{_goto_generation}) {
		2635	delete $self->{_goto_generation};
1877	$self->leave_link ($map, $x, $y);	2636	$self->leave_link ($map, $x, $y);
		2637	}
		2638
		2639	$done->() if $done;
1878	})->prio (1);	2640	})->prio (1);
1879	}	2641	}
1880		2642
1881	=item $player_object->enter_exit ($exit_object)	2643	=item $player_object->enter_exit ($exit_object)
1882		2644
…		…
1902	}	2664	}
1903		2665
1904	sub prepare_random_map {	2666	sub prepare_random_map {
1905	my ($exit) = @_;	2667	my ($exit) = @_;
1906		2668
1907	my $guard = cf::lock_acquire "exit_prepare:$exit";
1908
1909	# all this does is basically replace the /! path by	2669	# all this does is basically replace the /! path by
1910	# a new random map path (?random/...) with a seed	2670	# a new random map path (?random/...) with a seed
1911	# that depends on the exit object	2671	# that depends on the exit object
1912		2672
1913	my $rmp = parse_random_map_params $exit->msg;	2673	my $rmp = parse_random_map_params $exit->msg;
…		…
1915	if ($exit->map) {	2675	if ($exit->map) {
1916	$rmp->{region} = $exit->region->name;	2676	$rmp->{region} = $exit->region->name;
1917	$rmp->{origin_map} = $exit->map->path;	2677	$rmp->{origin_map} = $exit->map->path;
1918	$rmp->{origin_x} = $exit->x;	2678	$rmp->{origin_x} = $exit->x;
1919	$rmp->{origin_y} = $exit->y;	2679	$rmp->{origin_y} = $exit->y;
		2680
		2681	$exit->map->touch;
1920	}	2682	}
1921		2683
1922	$rmp->{random_seed} ||= $exit->random_seed;	2684	$rmp->{random_seed} ||= $exit->random_seed;
1923		2685
1924	my $data = cf::to_json $rmp;	2686	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1925	my $md5 = Digest::MD5::md5_hex $data;	2687	my $md5 = Digest::MD5::md5_hex $data;
1926	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2688	my $meta = "$RANDOMDIR/$md5.meta";
1927		2689
1928	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2690	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1929	aio_write $fh, 0, (length $data), $data, 0;	2691	aio_write $fh, 0, (length $data), $data, 0;
1930	undef $fh;	2692	undef $fh;
1931	aio_rename "$meta~", $meta;	2693	aio_rename "$meta~", $meta;
1932		2694
		2695	my $slaying = "?random/$md5";
		2696
		2697	if ($exit->valid) {
1933	$exit->slaying ("?random/$md5");	2698	$exit->slaying ("?random/$md5");
1934	$exit->msg (undef);	2699	$exit->msg (undef);
		2700	}
1935	}	2701	}
1936	}	2702	}
1937		2703
1938	sub cf::object::player::enter_exit {	2704	sub cf::object::player::enter_exit {
1939	my ($self, $exit) = @_;	2705	my ($self, $exit) = @_;
1940		2706
1941	return unless $self->type == cf::PLAYER;	2707	return unless $self->type == cf::PLAYER;
1942		2708
1943	if ($exit->slaying eq "/!") {
1944	#TODO: this should de-fi-ni-te-ly not be a sync-job
1945	cf::sync_job { prepare_random_map $exit };
1946	}
1947
1948	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1949	my $hp = $exit->stats->hp;
1950	my $sp = $exit->stats->sp;
1951
1952	$self->enter_link;	2709	$self->enter_link;
1953		2710
1954	(async {	2711	(async {
1955	$self->deactivate_recursive; # just to be sure	2712	$Coro::current->{desc} = "enter_exit";
		2713
1956	unless (eval {	2714	unless (eval {
		2715	$self->deactivate_recursive; # just to be sure
		2716
		2717	# random map handling
		2718	{
		2719	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2720
		2721	prepare_random_map $exit
		2722	if $exit->slaying eq "/!";
		2723	}
		2724
		2725	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2726	my $x = $exit->stats->hp;
		2727	my $y = $exit->stats->sp;
		2728
1957	$self->goto ($slaying, $hp, $sp);	2729	$self->goto ($map, $x, $y);
1958		2730
		2731	# if exit is damned, update players death & WoR home-position
		2732	$self->contr->savebed ($map, $x, $y)
		2733	if $exit->flag (cf::FLAG_DAMNED);
		2734
1959	1;	2735	1
1960	}) {	2736	}) {
1961	$self->message ("Something went wrong deep within the crossfire server. "	2737	$self->message ("Something went wrong deep within the deliantra server. "
1962	. "I'll try to bring you back to the map you were before. "	2738	. "I'll try to bring you back to the map you were before. "
1963	. "Please report this to the dungeon master!",	2739	. "Please report this to the dungeon master!",
1964	cf::NDI_UNIQUE | cf::NDI_RED);	2740	cf::NDI_UNIQUE | cf::NDI_RED);
1965		2741
1966	warn "ERROR in enter_exit: $@";	2742	warn "ERROR in enter_exit: $@";
1967	$self->leave_link;	2743	$self->leave_link;
1968	}	2744	}
1969	})->prio (1);	2745	})->prio (1);
…		…
1982		2758
1983	sub cf::client::send_drawinfo {	2759	sub cf::client::send_drawinfo {
1984	my ($self, $text, $flags) = @_;	2760	my ($self, $text, $flags) = @_;
1985		2761
1986	utf8::encode $text;	2762	utf8::encode $text;
1987	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2763	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1988	}	2764	}
1989		2765
		2766	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2767
		2768	Send a drawinfo or msg packet to the client, formatting the msg for the
		2769	client if neccessary. C<$type> should be a string identifying the type of
		2770	the message, with C<log> being the default. If C<$color> is negative, suppress
		2771	the message unless the client supports the msg packet.
		2772
		2773	=cut
		2774
		2775	# non-persistent channels (usually the info channel)
		2776	our %CHANNEL = (
		2777	"c/identify" => {
		2778	id => "infobox",
		2779	title => "Identify",
		2780	reply => undef,
		2781	tooltip => "Items recently identified",
		2782	},
		2783	"c/examine" => {
		2784	id => "infobox",
		2785	title => "Examine",
		2786	reply => undef,
		2787	tooltip => "Signs and other items you examined",
		2788	},
		2789	"c/book" => {
		2790	id => "infobox",
		2791	title => "Book",
		2792	reply => undef,
		2793	tooltip => "The contents of a note or book",
		2794	},
		2795	"c/lookat" => {
		2796	id => "infobox",
		2797	title => "Look",
		2798	reply => undef,
		2799	tooltip => "What you saw there",
		2800	},
		2801	"c/who" => {
		2802	id => "infobox",
		2803	title => "Players",
		2804	reply => undef,
		2805	tooltip => "Shows players who are currently online",
		2806	},
		2807	"c/body" => {
		2808	id => "infobox",
		2809	title => "Body Parts",
		2810	reply => undef,
		2811	tooltip => "Shows which body parts you posess and are available",
		2812	},
		2813	"c/skills" => {
		2814	id => "infobox",
		2815	title => "Skills",
		2816	reply => undef,
		2817	tooltip => "Shows your experience per skill and item power",
		2818	},
		2819	"c/uptime" => {
		2820	id => "infobox",
		2821	title => "Uptime",
		2822	reply => undef,
		2823	tooltip => "How long the server has been running since last restart",
		2824	},
		2825	"c/mapinfo" => {
		2826	id => "infobox",
		2827	title => "Map Info",
		2828	reply => undef,
		2829	tooltip => "Information related to the maps",
		2830	},
		2831	"c/party" => {
		2832	id => "party",
		2833	title => "Party",
		2834	reply => "gsay ",
		2835	tooltip => "Messages and chat related to your party",
		2836	},
		2837	);
		2838
		2839	sub cf::client::send_msg {
		2840	my ($self, $channel, $msg, $color, @extra) = @_;
		2841
		2842	$msg = $self->pl->expand_cfpod ($msg)
		2843	unless $color & cf::NDI_VERBATIM;
		2844
		2845	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2846
		2847	# check predefined channels, for the benefit of C
		2848	if ($CHANNEL{$channel}) {
		2849	$channel = $CHANNEL{$channel};
		2850
		2851	$self->ext_msg (channel_info => $channel)
		2852	if $self->can_msg;
		2853
		2854	$channel = $channel->{id};
		2855
		2856	} elsif (ref $channel) {
		2857	# send meta info to client, if not yet sent
		2858	unless (exists $self->{channel}{$channel->{id}}) {
		2859	$self->{channel}{$channel->{id}} = $channel;
		2860	$self->ext_msg (channel_info => $channel)
		2861	if $self->can_msg;
		2862	}
		2863
		2864	$channel = $channel->{id};
		2865	}
		2866
		2867	return unless @extra || length $msg;
		2868
		2869	if ($self->can_msg) {
		2870	# default colour, mask it out
		2871	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2872	if $color & cf::NDI_DEF;
		2873
		2874	my $pkt = "msg "
		2875	. $self->{json_coder}->encode (
		2876	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2877	);
		2878
		2879	# try lzf for large packets
		2880	$pkt = "lzf " . Compress::LZF::compress $pkt
		2881	if 1024 <= length $pkt and $self->{can_lzf};
		2882
		2883	# split very large packets
		2884	if (8192 < length $pkt and $self->{can_lzf}) {
		2885	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2886	$pkt = "frag";
		2887	}
		2888
		2889	$self->send_packet ($pkt);
		2890	} else {
		2891	if ($color >= 0) {
		2892	# replace some tags by gcfclient-compatible ones
		2893	for ($msg) {
		2894	1 while
		2895	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2896	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2897	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2898	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2899	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2900	}
		2901
		2902	$color &= cf::NDI_COLOR_MASK;
		2903
		2904	utf8::encode $msg;
		2905
		2906	if (0 && $msg =~ /\[/) {
		2907	# COMMAND/INFO
		2908	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2909	} else {
		2910	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2911	$self->send_packet ("drawinfo $color $msg")
		2912	}
		2913	}
		2914	}
		2915	}
		2916
		2917	=item $client->ext_msg ($type, @msg)
		2918
		2919	Sends an ext event to the client.
		2920
		2921	=cut
		2922
		2923	sub cf::client::ext_msg($$@) {
		2924	my ($self, $type, @msg) = @_;
		2925
		2926	if ($self->extcmd == 2) {
		2927	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2928	} elsif ($self->extcmd == 1) { # TODO: remove
		2929	push @msg, msgtype => "event_$type";
		2930	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2931	}
		2932	}
		2933
		2934	=item $client->ext_reply ($msgid, @msg)
		2935
		2936	Sends an ext reply to the client.
		2937
		2938	=cut
		2939
		2940	sub cf::client::ext_reply($$@) {
		2941	my ($self, $id, @msg) = @_;
		2942
		2943	if ($self->extcmd == 2) {
		2944	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2945	} elsif ($self->extcmd == 1) {
		2946	#TODO: version 1, remove
		2947	unshift @msg, msgtype => "reply", msgid => $id;
		2948	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2949	}
		2950	}
1990		2951
1991	=item $success = $client->query ($flags, "text", \&cb)	2952	=item $success = $client->query ($flags, "text", \&cb)
1992		2953
1993	Queues a query to the client, calling the given callback with	2954	Queues a query to the client, calling the given callback with
1994	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2955	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1995	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2956	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1996		2957
1997	Queries can fail, so check the return code. Or don't, as queries will become	2958	Queries can fail, so check the return code. Or don't, as queries will
1998	reliable at some point in the future.	2959	become reliable at some point in the future.
1999		2960
2000	=cut	2961	=cut
2001		2962
2002	sub cf::client::query {	2963	sub cf::client::query {
2003	my ($self, $flags, $text, $cb) = @_;	2964	my ($self, $flags, $text, $cb) = @_;
…		…
2011	utf8::encode $text;	2972	utf8::encode $text;
2012	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2973	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2013		2974
2014	$self->send_packet ($self->{query_queue}[0][0])	2975	$self->send_packet ($self->{query_queue}[0][0])
2015	if @{ $self->{query_queue} } == 1;	2976	if @{ $self->{query_queue} } == 1;
		2977
		2978	1
2016	}	2979	}
2017		2980
2018	cf::client->attach (	2981	cf::client->attach (
		2982	on_connect => sub {
		2983	my ($ns) = @_;
		2984
		2985	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2986	},
2019	on_reply => sub {	2987	on_reply => sub {
2020	my ($ns, $msg) = @_;	2988	my ($ns, $msg) = @_;
2021		2989
2022	# this weird shuffling is so that direct followup queries	2990	# this weird shuffling is so that direct followup queries
2023	# get handled first	2991	# get handled first
…		…
2035	} else {	3003	} else {
2036	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3004	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2037	}	3005	}
2038	}	3006	}
2039	},	3007	},
		3008	on_exticmd => sub {
		3009	my ($ns, $buf) = @_;
		3010
		3011	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3012
		3013	if (ref $msg) {
		3014	my ($type, $reply, @payload) =
		3015	"ARRAY" eq ref $msg
		3016	? @$msg
		3017	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3018
		3019	my @reply;
		3020
		3021	if (my $cb = $EXTICMD{$type}) {
		3022	@reply = $cb->($ns, @payload);
		3023	}
		3024
		3025	$ns->ext_reply ($reply, @reply)
		3026	if $reply;
		3027
		3028	} else {
		3029	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3030	}
		3031
		3032	cf::override;
		3033	},
2040	);	3034	);
2041		3035
2042	=item $client->async (\&cb)	3036	=item $client->async (\&cb)
2043		3037
2044	Create a new coroutine, running the specified callback. The coroutine will	3038	Create a new coroutine, running the specified callback. The coroutine will
…		…
2085	our $safe = new Safe "safe";	3079	our $safe = new Safe "safe";
2086	our $safe_hole = new Safe::Hole;	3080	our $safe_hole = new Safe::Hole;
2087		3081
2088	$SIG{FPE} = 'IGNORE';	3082	$SIG{FPE} = 'IGNORE';
2089		3083
2090	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3084	$safe->permit_only (Opcode::opset qw(
		3085	:base_core :base_mem :base_orig :base_math
		3086	grepstart grepwhile mapstart mapwhile
		3087	sort time
		3088	));
2091		3089
2092	# here we export the classes and methods available to script code	3090	# here we export the classes and methods available to script code
2093		3091
2094	=pod	3092	=pod
2095		3093
2096	The following fucntions and emthods are available within a safe environment:	3094	The following functions and methods are available within a safe environment:
2097		3095
2098	cf::object contr pay_amount pay_player map	3096	cf::object
		3097	contr pay_amount pay_player map x y force_find force_add destroy
		3098	insert remove name archname title slaying race decrease split
		3099
2099	cf::object::player player	3100	cf::object::player
2100	cf::player peaceful	3101	player
2101	cf::map trigger	3102
		3103	cf::player
		3104	peaceful
		3105
		3106	cf::map
		3107	trigger
2102		3108
2103	=cut	3109	=cut
2104		3110
2105	for (	3111	for (
2106	["cf::object" => qw(contr pay_amount pay_player map)],	3112	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3113	insert remove inv nrof name archname title slaying race
		3114	decrease split destroy change_exp)],
2107	["cf::object::player" => qw(player)],	3115	["cf::object::player" => qw(player)],
2108	["cf::player" => qw(peaceful)],	3116	["cf::player" => qw(peaceful)],
2109	["cf::map" => qw(trigger)],	3117	["cf::map" => qw(trigger)],
2110	) {	3118	) {
2111	no strict 'refs';	3119	no strict 'refs';
…		…
2182	=back	3190	=back
2183		3191
2184	=cut	3192	=cut
2185		3193
2186	#############################################################################	3194	#############################################################################
2187
2188	=head2 EXTENSION DATABASE SUPPORT
2189
2190	Crossfire maintains a very simple database for extension use. It can
2191	currently store anything that can be serialised using Storable, which
2192	excludes objects.
2193
2194	The parameter C<$family> should best start with the name of the extension
2195	using it, it should be unique.
2196
2197	=over 4
2198
2199	=item $value = cf::db_get $family => $key
2200
2201	Returns a single value from the database.
2202
2203	=item cf::db_put $family => $key => $value
2204
2205	Stores the given C<$value> in the family.
2206
2207	=cut
2208
2209	our $DB;
2210
2211	sub db_init {
2212	unless ($DB) {
2213	$DB = BDB::db_create $DB_ENV;
2214
2215	cf::sync_job {
2216	eval {
2217	$DB->set_flags (BDB::CHKSUM);
2218
2219	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2220	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2221	cf::cleanup "db_open(db): $!" if $!;
2222	};
2223	cf::cleanup "db_open(db): $@" if $@;
2224	};
2225
2226	my $path = cf::localdir . "/database.pst";
2227	if (stat $path) {
2228	cf::sync_job {
2229	my $pst = Storable::retrieve $path;
2230
2231	cf::db_put (board => data => $pst->{board});
2232	cf::db_put (guildrules => data => $pst->{guildrules});
2233	cf::db_put (rent => balance => $pst->{rent}{balance});
2234	BDB::db_env_txn_checkpoint $DB_ENV;
2235
2236	unlink $path;
2237	};
2238	}
2239	}
2240	}
2241
2242	sub db_get($$) {
2243	my $key = "$_[0]/$_[1]";
2244
2245	cf::sync_job {
2246	BDB::db_get $DB, undef, $key, my $data;
2247
2248	$! ? ()
2249	: Compress::LZF::sthaw $data
2250	}
2251	}
2252
2253	sub db_put($$$) {
2254	BDB::dbreq_pri 4;
2255	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2256	}
2257
2258	#############################################################################
2259	# the server's init and main functions	3195	# the server's init and main functions
2260		3196
		3197	sub load_facedata($) {
		3198	my ($path) = @_;
		3199
		3200	# HACK to clear player env face cache, we need some signal framework
		3201	# for this (global event?)
		3202	%ext::player_env::MUSIC_FACE_CACHE = ();
		3203
		3204	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3205
		3206	warn "loading facedata from $path\n";
		3207
		3208	my $facedata;
		3209	0 < aio_load $path, $facedata
		3210	or die "$path: $!";
		3211
		3212	$facedata = Coro::Storable::thaw $facedata;
		3213
		3214	$facedata->{version} == 2
		3215	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3216
		3217	# patch in the exptable
		3218	$facedata->{resource}{"res/exp_table"} = {
		3219	type => FT_RSRC,
		3220	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3221	};
		3222	cf::cede_to_tick;
		3223
		3224	{
		3225	my $faces = $facedata->{faceinfo};
		3226
		3227	while (my ($face, $info) = each %$faces) {
		3228	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3229
		3230	cf::face::set_visibility $idx, $info->{visibility};
		3231	cf::face::set_magicmap $idx, $info->{magicmap};
		3232	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3233	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3234
		3235	cf::cede_to_tick;
		3236	}
		3237
		3238	while (my ($face, $info) = each %$faces) {
		3239	next unless $info->{smooth};
		3240
		3241	my $idx = cf::face::find $face
		3242	or next;
		3243
		3244	if (my $smooth = cf::face::find $info->{smooth}) {
		3245	cf::face::set_smooth $idx, $smooth;
		3246	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3247	} else {
		3248	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3249	}
		3250
		3251	cf::cede_to_tick;
		3252	}
		3253	}
		3254
		3255	{
		3256	my $anims = $facedata->{animinfo};
		3257
		3258	while (my ($anim, $info) = each %$anims) {
		3259	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3260	cf::cede_to_tick;
		3261	}
		3262
		3263	cf::anim::invalidate_all; # d'oh
		3264	}
		3265
		3266	{
		3267	# TODO: for gcfclient pleasure, we should give resources
		3268	# that gcfclient doesn't grok a >10000 face index.
		3269	my $res = $facedata->{resource};
		3270
		3271	while (my ($name, $info) = each %$res) {
		3272	if (defined $info->{type}) {
		3273	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3274	my $data;
		3275
		3276	if ($info->{type} & 1) {
		3277	# prepend meta info
		3278
		3279	my $meta = $enc->encode ({
		3280	name => $name,
		3281	%{ $info->{meta} || {} },
		3282	});
		3283
		3284	$data = pack "(w/a*)*", $meta, $info->{data};
		3285	} else {
		3286	$data = $info->{data};
		3287	}
		3288
		3289	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3290	cf::face::set_type $idx, $info->{type};
		3291	} else {
		3292	$RESOURCE{$name} = $info;
		3293	}
		3294
		3295	cf::cede_to_tick;
		3296	}
		3297	}
		3298
		3299	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3300
		3301	1
		3302	}
		3303
		3304	cf::global->attach (on_resource_update => sub {
		3305	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3306	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3307
		3308	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3309	my $sound = $soundconf->{compat}[$_]
		3310	or next;
		3311
		3312	my $face = cf::face::find "sound/$sound->[1]";
		3313	cf::sound::set $sound->[0] => $face;
		3314	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3315	}
		3316
		3317	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3318	my $face = cf::face::find "sound/$v";
		3319	cf::sound::set $k => $face;
		3320	}
		3321	}
		3322	});
		3323
		3324	register_exticmd fx_want => sub {
		3325	my ($ns, $want) = @_;
		3326
		3327	while (my ($k, $v) = each %$want) {
		3328	$ns->fx_want ($k, $v);
		3329	}
		3330	};
		3331
2261	sub load_resources {	3332	sub load_resource_file($) {
2262	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3333	my $guard = lock_acquire "load_resource_file";
		3334
		3335	my $status = load_resource_file_ $_[0];
		3336	get_slot 0.1, 100;
		3337	cf::arch::commit_load;
		3338
		3339	$status
		3340	}
		3341
		3342	sub reload_regions {
		3343	# HACK to clear player env face cache, we need some signal framework
		3344	# for this (global event?)
		3345	%ext::player_env::MUSIC_FACE_CACHE = ();
		3346
		3347	load_resource_file "$MAPDIR/regions"
2263	or die "unable to load regions file\n";#d#	3348	or die "unable to load regions file\n";
2264	}
2265		3349
2266	sub cfg_load {	3350	for (cf::region::list) {
		3351	$_->{match} = qr/$_->{match}/
		3352	if exists $_->{match};
		3353	}
		3354	}
		3355
		3356	sub reload_facedata {
		3357	load_facedata "$DATADIR/facedata"
		3358	or die "unable to load facedata\n";
		3359	}
		3360
		3361	sub reload_archetypes {
		3362	load_resource_file "$DATADIR/archetypes"
		3363	or die "unable to load archetypes\n";
		3364	}
		3365
		3366	sub reload_treasures {
		3367	load_resource_file "$DATADIR/treasures"
		3368	or die "unable to load treasurelists\n";
		3369	}
		3370
		3371	sub reload_resources {
		3372	warn "reloading resource files...\n";
		3373
		3374	reload_facedata;
		3375	reload_archetypes;
		3376	reload_regions;
		3377	reload_treasures;
		3378
		3379	warn "finished reloading resource files\n";
		3380	}
		3381
		3382	sub reload_config {
2267	open my $fh, "<:utf8", cf::confdir . "/config"	3383	open my $fh, "<:utf8", "$CONFDIR/config"
2268	or return;	3384	or return;
2269		3385
2270	local $/;	3386	local $/;
2271	*CFG = YAML::Syck::Load <$fh>;	3387	*CFG = YAML::Load <$fh>;
2272		3388
2273	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3389	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2274		3390
2275	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3391	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2276	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3392	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2282	};	3398	};
2283	warn $@ if $@;	3399	warn $@ if $@;
2284	}	3400	}
2285	}	3401	}
2286		3402
2287	sub init {	3403	sub pidfile() {
2288	load_resources;	3404	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3405	or die "$PIDFILE: $!";
		3406	flock $fh, &Fcntl::LOCK_EX
		3407	or die "$PIDFILE: flock: $!";
		3408	$fh
		3409	}
		3410
		3411	# make sure only one server instance is running at any one time
		3412	sub atomic {
		3413	my $fh = pidfile;
		3414
		3415	my $pid = <$fh>;
		3416	kill 9, $pid if $pid > 0;
		3417
		3418	seek $fh, 0, 0;
		3419	print $fh $$;
2289	}	3420	}
2290		3421
2291	sub main {	3422	sub main {
		3423	cf::init_globals; # initialise logging
		3424
		3425	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3426	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3427	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3428	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3429
		3430	cf::init_experience;
		3431	cf::init_anim;
		3432	cf::init_attackmess;
		3433	cf::init_dynamic;
		3434	cf::init_block;
		3435
		3436	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3437
2292	# we must not ever block the main coroutine	3438	# we must not ever block the main coroutine
2293	local $Coro::idle = sub {	3439	local $Coro::idle = sub {
2294	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3440	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2295	(async {	3441	(async {
2296	Event::one_event;	3442	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3443	EV::loop EV::LOOP_ONESHOT;
2297	})->prio (Coro::PRIO_MAX);	3444	})->prio (Coro::PRIO_MAX);
2298	};	3445	};
2299		3446
2300	cfg_load;	3447	evthread_start IO::AIO::poll_fileno;
		3448
		3449	cf::sync_job {
		3450	reload_resources;
		3451	reload_config;
2301	db_init;	3452	db_init;
		3453
		3454	cf::load_settings;
		3455	cf::load_materials;
		3456	cf::init_uuid;
		3457	cf::init_signals;
		3458	cf::init_commands;
		3459	cf::init_skills;
		3460
		3461	cf::init_beforeplay;
		3462
		3463	atomic;
		3464
2302	load_extensions;	3465	load_extensions;
2303		3466
2304	$TICK_WATCHER->start;	3467	utime time, time, $RUNTIMEFILE;
		3468
		3469	# no (long-running) fork's whatsoever before this point(!)
		3470	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3471
		3472	(pop @POST_INIT)->(0) while @POST_INIT;
		3473	};
		3474
2305	Event::loop;	3475	EV::loop;
2306	}	3476	}
2307		3477
2308	#############################################################################	3478	#############################################################################
2309	# initialisation and cleanup	3479	# initialisation and cleanup
2310		3480
2311	# install some emergency cleanup handlers	3481	# install some emergency cleanup handlers
2312	BEGIN {	3482	BEGIN {
		3483	our %SIGWATCHER = ();
2313	for my $signal (qw(INT HUP TERM)) {	3484	for my $signal (qw(INT HUP TERM)) {
2314	Event->signal (	3485	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2315	reentrant => 0,
2316	data => WF_AUTOCANCEL,
2317	signal => $signal,
2318	prio => 0,
2319	cb => sub {
2320	cf::cleanup "SIG$signal";	3486	cf::cleanup "SIG$signal";
2321	},
2322	);	3487	};
		3488	}
		3489	}
		3490
		3491	sub write_runtime_sync {
		3492	# first touch the runtime file to show we are still running:
		3493	# the fsync below can take a very very long time.
		3494
		3495	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3496
		3497	my $guard = cf::lock_acquire "write_runtime";
		3498
		3499	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3500	or return;
		3501
		3502	my $value = $cf::RUNTIME + 90 + 10;
		3503	# 10 is the runtime save interval, for a monotonic clock
		3504	# 60 allows for the watchdog to kill the server.
		3505
		3506	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3507	and return;
		3508
		3509	# always fsync - this file is important
		3510	aio_fsync $fh
		3511	and return;
		3512
		3513	# touch it again to show we are up-to-date
		3514	aio_utime $fh, undef, undef;
		3515
		3516	close $fh
		3517	or return;
		3518
		3519	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3520	and return;
		3521
		3522	warn "runtime file written.\n";
		3523
2323	}	3524	1
		3525	}
		3526
		3527	our $uuid_lock;
		3528	our $uuid_skip;
		3529
		3530	sub write_uuid_sync($) {
		3531	$uuid_skip ||= $_[0];
		3532
		3533	return if $uuid_lock;
		3534	local $uuid_lock = 1;
		3535
		3536	my $uuid = "$LOCALDIR/uuid";
		3537
		3538	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3539	or return;
		3540
		3541	my $value = uuid_seq uuid_cur;
		3542
		3543	unless ($value) {
		3544	warn "cowardly refusing to write zero uuid value!\n";
		3545	return;
		3546	}
		3547
		3548	my $value = uuid_str $value + $uuid_skip;
		3549	$uuid_skip = 0;
		3550
		3551	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3552	and return;
		3553
		3554	# always fsync - this file is important
		3555	aio_fsync $fh
		3556	and return;
		3557
		3558	close $fh
		3559	or return;
		3560
		3561	aio_rename "$uuid~", $uuid
		3562	and return;
		3563
		3564	warn "uuid file written ($value).\n";
		3565
		3566	1
		3567
		3568	}
		3569
		3570	sub write_uuid($$) {
		3571	my ($skip, $sync) = @_;
		3572
		3573	$sync ? write_uuid_sync $skip
		3574	: async { write_uuid_sync $skip };
2324	}	3575	}
2325		3576
2326	sub emergency_save() {	3577	sub emergency_save() {
2327	my $freeze_guard = cf::freeze_mainloop;	3578	my $freeze_guard = cf::freeze_mainloop;
2328		3579
2329	warn "enter emergency perl save\n";	3580	warn "emergency_perl_save: enter\n";
2330		3581
2331	cf::sync_job {	3582	cf::sync_job {
		3583	# this is a trade-off: we want to be very quick here, so
		3584	# save all maps without fsync, and later call a global sync
		3585	# (which in turn might be very very slow)
		3586	local $USE_FSYNC = 0;
		3587
2332	# use a peculiar iteration method to avoid tripping on perl	3588	# use a peculiar iteration method to avoid tripping on perl
2333	# refcount bugs in for. also avoids problems with players	3589	# refcount bugs in for. also avoids problems with players
2334	# and maps saved/destroyed asynchronously.	3590	# and maps saved/destroyed asynchronously.
2335	warn "begin emergency player save\n";	3591	warn "emergency_perl_save: begin player save\n";
2336	for my $login (keys %cf::PLAYER) {	3592	for my $login (keys %cf::PLAYER) {
2337	my $pl = $cf::PLAYER{$login} or next;	3593	my $pl = $cf::PLAYER{$login} or next;
2338	$pl->valid or next;	3594	$pl->valid or next;
		3595	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2339	$pl->save;	3596	$pl->save;
2340	}	3597	}
2341	warn "end emergency player save\n";	3598	warn "emergency_perl_save: end player save\n";
2342		3599
2343	warn "begin emergency map save\n";	3600	warn "emergency_perl_save: begin map save\n";
2344	for my $path (keys %cf::MAP) {	3601	for my $path (keys %cf::MAP) {
2345	my $map = $cf::MAP{$path} or next;	3602	my $map = $cf::MAP{$path} or next;
2346	$map->valid or next;	3603	$map->valid or next;
2347	$map->save;	3604	$map->save;
2348	}	3605	}
2349	warn "end emergency map save\n";	3606	warn "emergency_perl_save: end map save\n";
2350		3607
2351	warn "begin emergency database checkpoint\n";	3608	warn "emergency_perl_save: begin database checkpoint\n";
2352	BDB::db_env_txn_checkpoint $DB_ENV;	3609	BDB::db_env_txn_checkpoint $DB_ENV;
2353	warn "end emergency database checkpoint\n";	3610	warn "emergency_perl_save: end database checkpoint\n";
		3611
		3612	warn "emergency_perl_save: begin write uuid\n";
		3613	write_uuid_sync 1;
		3614	warn "emergency_perl_save: end write uuid\n";
2354	};	3615	};
2355		3616
		3617	warn "emergency_perl_save: starting sync()\n";
		3618	IO::AIO::aio_sync sub {
		3619	warn "emergency_perl_save: finished sync()\n";
		3620	};
		3621
2356	warn "leave emergency perl save\n";	3622	warn "emergency_perl_save: leave\n";
2357	}	3623	}
2358		3624
2359	sub post_cleanup {	3625	sub post_cleanup {
2360	my ($make_core) = @_;	3626	my ($make_core) = @_;
2361		3627
2362	warn Carp::longmess "post_cleanup backtrace"	3628	warn Carp::longmess "post_cleanup backtrace"
2363	if $make_core;	3629	if $make_core;
2364	}
2365		3630
		3631	my $fh = pidfile;
		3632	unlink $PIDFILE if <$fh> == $$;
		3633	}
		3634
		3635	# a safer delete_package, copied from Symbol
		3636	sub clear_package($) {
		3637	my $pkg = shift;
		3638
		3639	# expand to full symbol table name if needed
		3640	unless ($pkg =~ /^main::.*::$/) {
		3641	$pkg = "main$pkg" if $pkg =~ /^::/;
		3642	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3643	$pkg .= '::' unless $pkg =~ /::$/;
		3644	}
		3645
		3646	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3647	my $stem_symtab = *{$stem}{HASH};
		3648
		3649	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3650	or return;
		3651
		3652	# clear all symbols
		3653	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3654	for my $name (keys %$leaf_symtab) {
		3655	_gv_clear *{"$pkg$name"};
		3656	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3657	}
		3658	warn "cleared package $pkg\n";#d#
		3659	}
		3660
2366	sub reload() {	3661	sub do_reload_perl() {
2367	# can/must only be called in main	3662	# can/must only be called in main
2368	if ($Coro::current != $Coro::main) {	3663	if ($Coro::current != $Coro::main) {
2369	warn "can only reload from main coroutine";	3664	warn "can only reload from main coroutine";
2370	return;	3665	return;
2371	}	3666	}
2372		3667
		3668	return if $RELOAD++;
		3669
		3670	my $t1 = EV::time;
		3671
		3672	while ($RELOAD) {
2373	warn "reloading...";	3673	warn "reloading...";
2374		3674
2375	warn "entering sync_job";	3675	warn "entering sync_job";
2376		3676
2377	sync_job {	3677	cf::sync_job {
2378	write_runtime;	3678	cf::write_runtime_sync; # external watchdog should not bark
2379	cf::emergency_save;	3679	cf::emergency_save;
2380	write_runtime;	3680	cf::write_runtime_sync; # external watchdog should not bark
2381		3681
2382	warn "syncing database to disk";	3682	warn "syncing database to disk";
2383	BDB::db_env_txn_checkpoint $DB_ENV;	3683	BDB::db_env_txn_checkpoint $DB_ENV;
2384		3684
2385	# if anything goes wrong in here, we should simply crash as we already saved	3685	# if anything goes wrong in here, we should simply crash as we already saved
2386		3686
2387	warn "cancelling all WF_AUTOCANCEL watchers";
2388	for (Event::all_watchers) {
2389	$_->cancel if $_->data & WF_AUTOCANCEL;
2390	}
2391
2392	warn "flushing outstanding aio requests";	3687	warn "flushing outstanding aio requests";
2393	for (;;) {
2394	BDB::flush;
2395	IO::AIO::flush;
2396	Coro::cede;
2397	last unless IO::AIO::nreqs || BDB::nreqs;	3688	while (IO::AIO::nreqs || BDB::nreqs) {
2398	warn "iterate...";	3689	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2399	}
2400
2401	warn "cancelling all extension coros";
2402	$_->cancel for values %EXT_CORO;
2403	%EXT_CORO = ();
2404
2405	warn "removing commands";
2406	%COMMAND = ();
2407
2408	warn "removing ext commands";
2409	%EXTCMD = ();
2410
2411	warn "unloading/nuking all extensions";
2412	for my $pkg (@EXTS) {
2413	warn "... unloading $pkg";
2414
2415	if (my $cb = $pkg->can ("unload")) {
2416	eval {
2417	$cb->($pkg);
2418	1
2419	} or warn "$pkg unloaded, but with errors: $@";
2420	}	3690	}
2421		3691
2422	warn "... nuking $pkg";	3692	warn "cancelling all extension coros";
2423	Symbol::delete_package $pkg;	3693	$_->cancel for values %EXT_CORO;
2424	}	3694	%EXT_CORO = ();
2425		3695
2426	warn "unloading all perl modules loaded from $LIBDIR";	3696	warn "removing commands";
2427	while (my ($k, $v) = each %INC) {	3697	%COMMAND = ();
2428	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2429		3698
		3699	warn "removing ext/exti commands";
		3700	%EXTCMD = ();
		3701	%EXTICMD = ();
		3702
		3703	warn "unloading/nuking all extensions";
		3704	for my $pkg (@EXTS) {
2430	warn "... unloading $k";	3705	warn "... unloading $pkg";
2431	delete $INC{$k};
2432		3706
2433	$k =~ s/\.pm$//;
2434	$k =~ s/\//::/g;
2435
2436	if (my $cb = $k->can ("unload_module")) {	3707	if (my $cb = $pkg->can ("unload")) {
		3708	eval {
2437	$cb->();	3709	$cb->($pkg);
		3710	1
		3711	} or warn "$pkg unloaded, but with errors: $@";
		3712	}
		3713
		3714	warn "... clearing $pkg";
		3715	clear_package $pkg;
2438	}	3716	}
2439		3717
2440	Symbol::delete_package $k;	3718	warn "unloading all perl modules loaded from $LIBDIR";
		3719	while (my ($k, $v) = each %INC) {
		3720	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3721
		3722	warn "... unloading $k";
		3723	delete $INC{$k};
		3724
		3725	$k =~ s/\.pm$//;
		3726	$k =~ s/\//::/g;
		3727
		3728	if (my $cb = $k->can ("unload_module")) {
		3729	$cb->();
		3730	}
		3731
		3732	clear_package $k;
2441	}	3733	}
2442		3734
2443	warn "getting rid of safe::, as good as possible";	3735	warn "getting rid of safe::, as good as possible";
2444	Symbol::delete_package "safe::$_"	3736	clear_package "safe::$_"
2445	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3737	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2446		3738
2447	warn "unloading cf.pm \"a bit\"";	3739	warn "unloading cf.pm \"a bit\"";
2448	delete $INC{"cf.pm"};	3740	delete $INC{"cf.pm"};
		3741	delete $INC{"cf/pod.pm"};
2449		3742
2450	# don't, removes xs symbols, too,	3743	# don't, removes xs symbols, too,
2451	# and global variables created in xs	3744	# and global variables created in xs
2452	#Symbol::delete_package __PACKAGE__;	3745	#clear_package __PACKAGE__;
2453		3746
2454	warn "unload completed, starting to reload now";	3747	warn "unload completed, starting to reload now";
2455		3748
2456	warn "reloading cf.pm";	3749	warn "reloading cf.pm";
2457	require cf;	3750	require cf;
2458	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3751	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2459		3752
2460	warn "loading config and database again";	3753	warn "loading config and database again";
2461	cf::cfg_load;	3754	cf::reload_config;
2462		3755
2463	warn "loading extensions";	3756	warn "loading extensions";
2464	cf::load_extensions;	3757	cf::load_extensions;
2465		3758
		3759	if ($REATTACH_ON_RELOAD) {
2466	warn "reattaching attachments to objects/players";	3760	warn "reattaching attachments to objects/players";
2467	_global_reattach;	3761	_global_reattach; # objects, sockets
2468	warn "reattaching attachments to maps";	3762	warn "reattaching attachments to maps";
2469	reattach $_ for values %MAP;	3763	reattach $_ for values %MAP;
		3764	warn "reattaching attachments to players";
		3765	reattach $_ for values %PLAYER;
		3766	}
2470		3767
2471	warn "loading reloadable resources";	3768	warn "running post_init jobs";
2472	load_resources;	3769	(pop @POST_INIT)->(1) while @POST_INIT;
2473		3770
2474	warn "leaving sync_job";	3771	warn "leaving sync_job";
2475		3772
2476	1	3773	1
2477	} or do {	3774	} or do {
2478	warn $@;	3775	warn $@;
2479	warn "error while reloading, exiting.";	3776	cf::cleanup "error while reloading, exiting.";
2480	exit 1;	3777	};
		3778
		3779	warn "reloaded";
		3780	--$RELOAD;
		3781	}
		3782
		3783	$t1 = EV::time - $t1;
		3784	warn "reload completed in ${t1}s\n";
		3785	};
		3786
		3787	our $RELOAD_WATCHER; # used only during reload
		3788
		3789	sub reload_perl() {
		3790	# doing reload synchronously and two reloads happen back-to-back,
		3791	# coro crashes during coro_state_free->destroy here.
		3792
		3793	$RELOAD_WATCHER ||= cf::async {
		3794	Coro::AIO::aio_wait cache_extensions;
		3795
		3796	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3797	do_reload_perl;
		3798	undef $RELOAD_WATCHER;
		3799	};
2481	};	3800	};
2482		3801	}
2483	warn "reloaded";
2484	};
2485
2486	our $RELOAD_WATCHER; # used only during reload
2487		3802
2488	register_command "reload" => sub {	3803	register_command "reload" => sub {
2489	my ($who, $arg) = @_;	3804	my ($who, $arg) = @_;
2490		3805
2491	if ($who->flag (FLAG_WIZ)) {	3806	if ($who->flag (FLAG_WIZ)) {
2492	$who->message ("reloading server.");	3807	$who->message ("reloading server.");
2493		3808	async {
2494	# doing reload synchronously and two reloads happen back-to-back,	3809	$Coro::current->{desc} = "perl_reload";
2495	# coro crashes during coro_state_free->destroy here.
2496
2497	$RELOAD_WATCHER ||= Event->timer (
2498	reentrant => 0,
2499	after => 0,
2500	data => WF_AUTOCANCEL,
2501	cb => sub {
2502	reload;	3810	reload_perl;
2503	undef $RELOAD_WATCHER;
2504	},
2505	);	3811	};
2506	}	3812	}
2507	};	3813	};
2508		3814
2509	unshift @INC, $LIBDIR;	3815	unshift @INC, $LIBDIR;
2510		3816
2511	my $bug_warning = 0;	3817	my $bug_warning = 0;
2512		3818
2513	$TICK_WATCHER = Event->timer (	3819	our @WAIT_FOR_TICK;
2514	reentrant => 0,	3820	our @WAIT_FOR_TICK_BEGIN;
2515	parked => 1,	3821
2516	prio => 0,	3822	sub wait_for_tick {
2517	at => $NEXT_TICK || $TICK,	3823	return if tick_inhibit || $Coro::current == $Coro::main;
2518	data => WF_AUTOCANCEL,	3824
2519	cb => sub {	3825	my $signal = new Coro::Signal;
		3826	push @WAIT_FOR_TICK, $signal;
		3827	$signal->wait;
		3828	}
		3829
		3830	sub wait_for_tick_begin {
		3831	return if tick_inhibit || $Coro::current == $Coro::main;
		3832
		3833	my $signal = new Coro::Signal;
		3834	push @WAIT_FOR_TICK_BEGIN, $signal;
		3835	$signal->wait;
		3836	}
		3837
		3838	sub tick {
2520	if ($Coro::current != $Coro::main) {	3839	if ($Coro::current != $Coro::main) {
2521	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3840	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2522	unless ++$bug_warning > 10;	3841	unless ++$bug_warning > 10;
2523	return;	3842	return;
2524	}	3843	}
2525		3844
2526	$NOW = Event::time;
2527
2528	cf::server_tick; # one server iteration	3845	cf::server_tick; # one server iteration
2529	$RUNTIME += $TICK;
2530	$NEXT_TICK += $TICK;
2531		3846
2532	$WAIT_FOR_TICK->broadcast;	3847	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2533	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3848	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2534		3849	Coro::async_pool {
2535	# my $AFTER = Event::time;	3850	$Coro::current->{desc} = "runtime saver";
2536	# warn $AFTER - $NOW;#d#	3851	write_runtime_sync
2537		3852	or warn "ERROR: unable to write runtime file: $!";
2538	# if we are delayed by four ticks or more, skip them all	3853	};
2539	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2540
2541	$TICK_WATCHER->at ($NEXT_TICK);
2542	$TICK_WATCHER->start;
2543	},	3854	}
2544	);	3855
		3856	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3857	$sig->send;
		3858	}
		3859	while (my $sig = shift @WAIT_FOR_TICK) {
		3860	$sig->send;
		3861	}
		3862
		3863	$LOAD = ($NOW - $TICK_START) / $TICK;
		3864	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3865
		3866	if (0) {
		3867	if ($NEXT_TICK) {
		3868	my $jitter = $TICK_START - $NEXT_TICK;
		3869	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3870	warn "jitter $JITTER\n";#d#
		3871	}
		3872	}
		3873	}
2545		3874
2546	{	3875	{
2547	BDB::max_poll_time $TICK * 0.1;	3876	# configure BDB
2548	$BDB_POLL_WATCHER = Event->io (	3877
2549	reentrant => 0,
2550	fd => BDB::poll_fileno,
2551	poll => 'r',
2552	prio => 0,
2553	data => WF_AUTOCANCEL,
2554	cb => \&BDB::poll_cb,
2555	);
2556	BDB::min_parallel 8;	3878	BDB::min_parallel 8;
2557		3879	BDB::max_poll_reqs $TICK * 0.1;
2558	BDB::set_sync_prepare {	3880	$AnyEvent::BDB::WATCHER->priority (1);
2559	my $status;
2560	my $current = $Coro::current;
2561	(
2562	sub {
2563	$status = $!;
2564	$current->ready; undef $current;
2565	},
2566	sub {
2567	Coro::schedule while defined $current;
2568	$! = $status;
2569	},
2570	)
2571	};
2572		3881
2573	unless ($DB_ENV) {	3882	unless ($DB_ENV) {
2574	$DB_ENV = BDB::db_env_create;	3883	$DB_ENV = BDB::db_env_create;
		3884	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3885	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3886	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3887	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3888	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2575		3889
2576	cf::sync_job {	3890	cf::sync_job {
2577	eval {	3891	eval {
2578	BDB::db_env_open	3892	BDB::db_env_open
2579	$DB_ENV,	3893	$DB_ENV,
2580	$BDB_ENV_DIR,	3894	$BDBDIR,
2581	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3895	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2582	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3896	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2583	0666;	3897	0666;
2584		3898
2585	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3899	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2586
2587	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2588	$DB_ENV->set_lk_detect;
2589	};	3900	};
2590		3901
2591	cf::cleanup "db_env_open(db): $@" if $@;	3902	cf::cleanup "db_env_open(db): $@" if $@;
2592	};	3903	};
2593	}	3904	}
		3905
		3906	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3907	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3908	};
		3909	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3910	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3911	};
		3912	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3913	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3914	};
2594	}	3915	}
2595		3916
2596	{	3917	{
		3918	# configure IO::AIO
		3919
2597	IO::AIO::min_parallel 8;	3920	IO::AIO::min_parallel 8;
2598
2599	undef $Coro::AIO::WATCHER;
2600	IO::AIO::max_poll_time $TICK * 0.1;	3921	IO::AIO::max_poll_time $TICK * 0.1;
2601	$AIO_POLL_WATCHER = Event->io (	3922	undef $AnyEvent::AIO::WATCHER;
2602	reentrant => 0,
2603	fd => IO::AIO::poll_fileno,
2604	poll => 'r',
2605	prio => 6,
2606	data => WF_AUTOCANCEL,
2607	cb => \&IO::AIO::poll_cb,
2608	);
2609	}	3923	}
2610		3924
2611	$WRITE_RUNTIME_WATCHER = Event->timer (	3925	my $_log_backtrace;
2612	reentrant => 0,
2613	data => WF_AUTOCANCEL,
2614	parked => 1,
2615	after => 1,
2616	interval => 10,
2617	prio => 6, # keep it lowest so it acts like a watchdog
2618	cb => sub {
2619	$TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1;
2620		3926
2621	Coro::async_pool {	3927	sub _log_backtrace {
2622	write_runtime	3928	my ($msg, @addr) = @_;
2623	or warn "ERROR: unable to write runtime file: $!";	3929
		3930	$msg =~ s/\n//;
		3931
		3932	# limit the # of concurrent backtraces
		3933	if ($_log_backtrace < 2) {
		3934	++$_log_backtrace;
		3935	my $perl_bt = Carp::longmess $msg;
		3936	async {
		3937	$Coro::current->{desc} = "abt $msg";
		3938
		3939	my @bt = fork_call {
		3940	@addr = map { sprintf "%x", $_ } @addr;
		3941	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3942	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3943	or die "addr2line: $!";
		3944
		3945	my @funcs;
		3946	my @res = <$fh>;
		3947	chomp for @res;
		3948	while (@res) {
		3949	my ($func, $line) = splice @res, 0, 2, ();
		3950	push @funcs, "[$func] $line";
		3951	}
		3952
		3953	@funcs
		3954	};
		3955
		3956	LOG llevInfo, "[ABT] $perl_bt\n";
		3957	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3958	LOG llevInfo, "[ABT] $_\n" for @bt;
		3959	--$_log_backtrace;
2624	};	3960	};
		3961	} else {
		3962	LOG llevInfo, "[ABT] $msg\n";
		3963	LOG llevInfo, "[ABT] [suppressed]\n";
2625	},	3964	}
2626	);	3965	}
		3966
		3967	# load additional modules
		3968	use cf::pod;
2627		3969
2628	END { cf::emergency_save }	3970	END { cf::emergency_save }
2629		3971
2630	1	3972	1
2631		3973

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