ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.211 by root, Tue Feb 13 16:23:32 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	$TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1;
362		561
363	my $runtime = cf::localdir . "/runtime";	562	Executes the given code block with the given arguments in a seperate
		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.
364		566
365	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	567	=cut
366	or return;
367		568
368	my $value = $cf::RUNTIME + 90 + 10;	569	sub fork_call(&@) {
369	# 10 is the runtime save interval, for a monotonic clock	570	my ($cb, @args) = @_;
370	# 60 allows for the watchdog to kill the server.
371		571
372	(aio_write $fh, 0, (length $value), $value, 0) <= 0	572	# we seemingly have to make a local copy of the whole thing,
373	and return;	573	# otherwise perl prematurely frees the stuff :/
		574	# TODO: investigate and fix (likely this will be rather laborious)
374		575
375	# always fsync - this file is important	576	my @res = Coro::Util::fork_eval {
376	aio_fsync $fh	577	reset_signals;
377	and return;	578	&$cb
		579	}, @args;
378		580
379	close $fh	581	wantarray ? @res : $res[-1]
380	or return;	582	}
381		583
382	aio_rename "$runtime~", $runtime	584	=item $coin = coin_from_name $name
383	and return;
384		585
		586	=cut
		587
		588	our %coin_alias = (
		589	"silver" => "silvercoin",
		590	"silvercoin" => "silvercoin",
		591	"silvercoins" => "silvercoin",
		592	"gold" => "goldcoin",
		593	"goldcoin" => "goldcoin",
		594	"goldcoins" => "goldcoin",
		595	"platinum" => "platinacoin",
		596	"platinumcoin" => "platinacoin",
		597	"platinumcoins" => "platinacoin",
		598	"platina" => "platinacoin",
		599	"platinacoin" => "platinacoin",
		600	"platinacoins" => "platinacoin",
		601	"royalty" => "royalty",
		602	"royalties" => "royalty",
		603	);
		604
		605	sub coin_from_name($) {
		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($$) {
		653	my $key = "$_[0]/$_[1]";
		654
		655	cf::sync_job {
		656	BDB::db_get $DB, undef, $key, my $data;
		657
		658	$! ? ()
		659	: $data
385	1	660	}
		661	}
		662
		663	sub db_put($$$) {
		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 });
386	}	747	}
387		748
388	=back	749	=back
389		750
390	=cut	751	=cut
391		752
392	#############################################################################	753	#############################################################################
393		754
394	=head2 ATTACHABLE OBJECTS	755	=head2 ATTACHABLE OBJECTS
395		756
396	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
397	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")
398	to it. All such attachable objects support the following methods.	759	to it. All such attachable objects support the following methods.
399		760
400	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>
401	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
402	crossfire+).	763	Deliantra).
403		764
404	=over 4	765	=over 4
405		766
406	=item $attachable->attach ($attachment, key => $value...)	767	=item $attachable->attach ($attachment, key => $value...)
407		768
…		…
451	=item cf::CLASS::attachment $name, ...	812	=item cf::CLASS::attachment $name, ...
452		813
453	Register an attachment by C<$name> through which attachable objects of the	814	Register an attachment by C<$name> through which attachable objects of the
454	given CLASS can refer to this attachment.	815	given CLASS can refer to this attachment.
455		816
456	Some classes such as crossfire maps and objects can specify attachments	817	Some classes such as deliantra maps and objects can specify attachments
457	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.
458		819
459	These calls expect any number of the following handler/hook descriptions:	820	These calls expect any number of the following handler/hook descriptions:
460		821
461	=over 4	822	=over 4
…		…
570	$registry = $CB_TYPE[$object_type] ||= [];	931	$registry = $CB_TYPE[$object_type] ||= [];
571		932
572	} elsif ($type eq "subtype") {	933	} elsif ($type eq "subtype") {
573	defined $object_type or Carp::croak "subtype specified without type";	934	defined $object_type or Carp::croak "subtype specified without type";
574	my $object_subtype = shift @arg;	935	my $object_subtype = shift @arg;
575	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	936	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
576		937
577	} elsif ($type eq "package") {	938	} elsif ($type eq "package") {
578	my $pkg = shift @arg;	939	my $pkg = shift @arg;
579		940
580	while (my ($name, $id) = each %cb_id) {	941	while (my ($name, $id) = each %cb_id) {
…		…
609	_attach $registry, $klass, @attach;	970	_attach $registry, $klass, @attach;
610	}	971	}
611		972
612	$obj->{$name} = \%arg;	973	$obj->{$name} = \%arg;
613	} else {	974	} else {
614	warn "object uses attachment '$name' that is not available, postponing.\n";	975	warn "object uses attachment '$name' which is not available, postponing.\n";
615	}	976	}
616		977
617	$obj->{_attachment}{$name} = undef;	978	$obj->{_attachment}{$name} = undef;
618	}	979	}
619		980
…		…
621	if (ref $_[0]) {	982	if (ref $_[0]) {
622	_object_attach @_;	983	_object_attach @_;
623	} else {	984	} else {
624	_attach shift->_attach_registry, @_;	985	_attach shift->_attach_registry, @_;
625	}	986	}
		987	_recalc_want;
626	};	988	};
627		989
628	# all those should be optimised	990	# all those should be optimised
629	sub cf::attachable::detach {	991	sub cf::attachable::detach {
630	my ($obj, $name) = @_;	992	my ($obj, $name) = @_;
…		…
633	delete $obj->{_attachment}{$name};	995	delete $obj->{_attachment}{$name};
634	reattach ($obj);	996	reattach ($obj);
635	} else {	997	} else {
636	Carp::croak "cannot, currently, detach class attachments";	998	Carp::croak "cannot, currently, detach class attachments";
637	}	999	}
		1000	_recalc_want;
638	};	1001	};
639		1002
640	sub cf::attachable::attached {	1003	sub cf::attachable::attached {
641	my ($obj, $name) = @_;	1004	my ($obj, $name) = @_;
642		1005
…		…
657	";	1020	";
658	die if $@;	1021	die if $@;
659	}	1022	}
660		1023
661	our $override;	1024	our $override;
662	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?
663		1026
664	sub override {	1027	sub override {
665	$override = 1;	1028	$override = 1;
666	@invoke_results = ();	1029	@INVOKE_RESULTS = (@_);
667	}	1030	}
668		1031
669	sub do_invoke {	1032	sub do_invoke {
670	my $event = shift;	1033	my $event = shift;
671	my $callbacks = shift;	1034	my $callbacks = shift;
672		1035
673	@invoke_results = ();	1036	@INVOKE_RESULTS = ();
674		1037
675	local $override;	1038	local $override;
676		1039
677	for (@$callbacks) {	1040	for (@$callbacks) {
678	eval { &{$_->[1]} };	1041	eval { &{$_->[1]} };
…		…
687	}	1050	}
688		1051
689	0	1052	0
690	}	1053	}
691		1054
692	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
693		1056
694	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1057	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
695		1058
696	Generate an object-specific event with the given arguments.	1059	Generate an object-specific event with the given arguments.
697		1060
698	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
699	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
700	results (if you must, access C<@cf::invoke_results> directly).	1063	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
701		1064
702	=back	1065	=back
703		1066
704	=cut	1067	=cut
705		1068
706	#############################################################################	1069	#############################################################################
707	# 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, $ob2
		1112	}
708		1113
709	sub reattach {	1114	sub reattach {
710	# basically do the same as instantiate, without calling instantiate	1115	# basically do the same as instantiate, without calling instantiate
711	my ($obj) = @_;	1116	my ($obj) = @_;
712		1117
		1118	# no longer needed after getting rid of delete_package?
713	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
714		1120
715	my $registry = $obj->registry;	1121	my $registry = $obj->registry;
716		1122
717	@$registry = ();	1123	@$registry = ();
718		1124
…		…
733	cf::attachable->attach (	1139	cf::attachable->attach (
734	prio => -1000000,	1140	prio => -1000000,
735	on_instantiate => sub {	1141	on_instantiate => sub {
736	my ($obj, $data) = @_;	1142	my ($obj, $data) = @_;
737		1143
738	$data = from_json $data;	1144	$data = decode_json $data;
739		1145
740	for (@$data) {	1146	for (@$data) {
741	my ($name, $args) = @$_;	1147	my ($name, $args) = @$_;
742		1148
743	$obj->attach ($name, %{$args || {} });	1149	$obj->attach ($name, %{$args || {} });
…		…
759	sub object_freezer_save {	1165	sub object_freezer_save {
760	my ($filename, $rdata, $objs) = @_;	1166	my ($filename, $rdata, $objs) = @_;
761		1167
762	sync_job {	1168	sync_job {
763	if (length $$rdata) {	1169	if (length $$rdata) {
		1170	utf8::decode (my $decname = $filename);
764	warn sprintf "saving %s (%d,%d)\n",	1171	warn sprintf "saving %s (%d,%d)\n",
765	$filename, length $$rdata, scalar @$objs;	1172	$decname, length $$rdata, scalar @$objs;
766		1173
767	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1174	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
768	chmod SAVE_MODE, $fh;	1175	aio_chmod $fh, SAVE_MODE;
769	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1176	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
770	aio_fsync $fh if $cf::USE_FSYNC;	1177	aio_fsync $fh if $cf::USE_FSYNC;
771	close $fh;	1178	aio_close $fh;
772		1179
773	if (@$objs) {	1180	if (@$objs) {
774	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) {
775	chmod SAVE_MODE, $fh;	1182	aio_chmod $fh, SAVE_MODE;
776	my $data = Storable::nfreeze { version => 1, objs => $objs };	1183	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
777	aio_write $fh, 0, (length $data), $data, 0;	1184	aio_write $fh, 0, (length $data), $data, 0;
778	aio_fsync $fh if $cf::USE_FSYNC;	1185	aio_fsync $fh if $cf::USE_FSYNC;
779	close $fh;	1186	aio_close $fh;
780	aio_rename "$filename.pst~", "$filename.pst";	1187	aio_rename "$filename.pst~", "$filename.pst";
781	}	1188	}
782	} else {	1189	} else {
783	aio_unlink "$filename.pst";	1190	aio_unlink "$filename.pst";
784	}	1191	}
785		1192
786	aio_rename "$filename~", $filename;	1193	aio_rename "$filename~", $filename;
		1194
		1195	$filename =~ s%/[^/]+$%%;
		1196	aio_pathsync $filename if $cf::USE_FSYNC;
787	} else {	1197	} else {
788	warn "FATAL: $filename~: $!\n";	1198	warn "FATAL: $filename~: $!\n";
789	}	1199	}
790	} else {	1200	} else {
791	aio_unlink $filename;	1201	aio_unlink $filename;
792	aio_unlink "$filename.pst";	1202	aio_unlink "$filename.pst";
793	}	1203	}
794
795	#d##TODO# nuke non .map-files if exist
796	if ($filename =~ s/\.map$//) {
797	aio_unlink $filename;
798	aio_unlink "$filename.pst";
799	}
800	}	1204	};
801	}	1205	}
802		1206
803	sub object_freezer_as_string {	1207	sub object_freezer_as_string {
804	my ($rdata, $objs) = @_;	1208	my ($rdata, $objs) = @_;
805		1209
…		…
810		1214
811	sub object_thawer_load {	1215	sub object_thawer_load {
812	my ($filename) = @_;	1216	my ($filename) = @_;
813		1217
814	my ($data, $av);	1218	my ($data, $av);
815
816	#d#TODO remove .map if file does not exist
817	aio_stat $filename and $filename =~ s/\.map$//;
818		1219
819	(aio_load $filename, $data) >= 0	1220	(aio_load $filename, $data) >= 0
820	or return;	1221	or return;
821		1222
822	unless (aio_stat "$filename.pst") {	1223	unless (aio_stat "$filename.pst") {
823	(aio_load "$filename.pst", $av) >= 0	1224	(aio_load "$filename.pst", $av) >= 0
824	or return;	1225	or return;
		1226
825	$av = eval { (Storable::thaw $av)->{objs} };	1227	my $st = eval { Coro::Storable::thaw $av };
		1228	$av = $st->{objs};
826	}	1229	}
827		1230
		1231	utf8::decode (my $decname = $filename);
828	warn sprintf "loading %s (%d)\n",	1232	warn sprintf "loading %s (%d,%d)\n",
829	$filename, length $data, scalar @{$av || []};#d#	1233	$decname, length $data, scalar @{$av || []};
		1234
830	return ($data, $av);	1235	($data, $av)
831	}	1236	}
		1237
		1238	=head2 COMMAND CALLBACKS
		1239
		1240	=over 4
		1241
		1242	=cut
832		1243
833	#############################################################################	1244	#############################################################################
834	# command handling &c	1245	# command handling &c
835		1246
836	=item cf::register_command $name => \&callback($ob,$args);	1247	=item cf::register_command $name => \&callback($ob,$args);
…		…
849	push @{ $COMMAND{$name} }, [$caller, $cb];	1260	push @{ $COMMAND{$name} }, [$caller, $cb];
850	}	1261	}
851		1262
852	=item cf::register_extcmd $name => \&callback($pl,$packet);	1263	=item cf::register_extcmd $name => \&callback($pl,$packet);
853		1264
854	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.
855		1270
856	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
857	called.	1272	called.
858		1273
		1274	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1275
		1276	Register a callback for execution when the client sends an (asynchronous)
		1277	exticmd packet. Exti commands are processed by the server as soon as they
		1278	are received, i.e. out of order w.r.t. other commands. The first argument
		1279	is a client socket. Exti commands can be received anytime, even before
		1280	log-in.
		1281
		1282	If the callback returns something, it is sent back as if reply was being
		1283	called.
		1284
859	=cut	1285	=cut
860		1286
861	sub register_extcmd {	1287	sub register_extcmd {
862	my ($name, $cb) = @_;	1288	my ($name, $cb) = @_;
863		1289
864	$EXTCMD{$name} = $cb;	1290	$EXTCMD{$name} = $cb;
865	}	1291	}
		1292
		1293	sub register_exticmd {
		1294	my ($name, $cb) = @_;
		1295
		1296	$EXTICMD{$name} = $cb;
		1297	}
		1298
		1299	use File::Glob ();
866		1300
867	cf::player->attach (	1301	cf::player->attach (
868	on_command => sub {	1302	on_command => sub {
869	my ($pl, $name, $params) = @_;	1303	my ($pl, $name, $params) = @_;
870		1304
…		…
878	cf::override;	1312	cf::override;
879	},	1313	},
880	on_extcmd => sub {	1314	on_extcmd => sub {
881	my ($pl, $buf) = @_;	1315	my ($pl, $buf) = @_;
882		1316
883	my $msg = eval { from_json $buf };	1317	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
884		1318
885	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
886	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1327	if (my $cb = $EXTCMD{$type}) {
887	if (my %reply = $cb->($pl, $msg)) {	1328	@reply = $cb->($pl, @payload);
888	$pl->ext_reply ($msg->{msgid}, %reply);
889	}
890	}	1329	}
		1330
		1331	$pl->ext_reply ($reply, @reply)
		1332	if $reply;
		1333
891	} else {	1334	} else {
892	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1335	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
893	}	1336	}
894		1337
895	cf::override;	1338	cf::override;
896	},	1339	},
897	);	1340	);
898		1341
		1342	# "readahead" all extensions
899	sub load_extension {	1343	sub cache_extensions {
900	my ($path) = @_;	1344	my $grp = IO::AIO::aio_group;
901		1345
902	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1346	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
903	my $base = $1;	1347	for (grep /\.ext$/, @{$_[0]}) {
904	my $pkg = $1;	1348	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
905	$pkg =~ s/[^[:word:]]/_/g;
906	$pkg = "ext::$pkg";
907
908	warn "... loading '$path' into '$pkg'\n";
909
910	open my $fh, "<:utf8", $path
911	or die "$path: $!";
912
913	my $source =
914	"package $pkg; use strict; use utf8;\n"
915	. "#line 1 \"$path\"\n{\n"
916	. (do { local $/; <$fh> })
917	. "\n};\n1";
918
919	unless (eval $source) {
920	my $msg = $@ ? "$path: $@\n"
921	: "extension disabled.\n";
922	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
923	warn $@;
924	warn "mandatory extension failed to load, exiting.\n";
925	exit 1;
926	}	1349	}
927	die $@;
928	}	1350	};
929		1351
930	push @EXTS, $pkg;	1352	$grp
931	}	1353	}
932		1354
933	sub load_extensions {	1355	sub load_extensions {
		1356	cf::sync_job {
		1357	my %todo;
		1358
934	for my $ext (<$LIBDIR/*.ext>) {	1359	for my $path (<$LIBDIR/*.ext>) {
935	next unless -r $ext;	1360	next unless -r $path;
936	eval {	1361
937	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	$progress = 1;
938	1	1418	}
939	} or warn "$ext not loaded: $@";	1419
		1420	skip:
		1421	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1422	unless $progress;
		1423	}
940	}	1424	};
941	}	1425	}
942		1426
943	#############################################################################	1427	#############################################################################
944		1428
		1429	=back
		1430
945	=head2 CORE EXTENSIONS	1431	=head2 CORE EXTENSIONS
946		1432
947	Functions and methods that extend core crossfire objects.	1433	Functions and methods that extend core deliantra objects.
948		1434
949	=cut	1435	=cut
950		1436
951	package cf::player;	1437	package cf::player;
952		1438
…		…
954		1440
955	=head3 cf::player	1441	=head3 cf::player
956		1442
957	=over 4	1443	=over 4
958		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
959	=item cf::player::find $login	1459	=item cf::player::find $login
960		1460
961	Returns the given player object, loading it if necessary (might block).	1461	Returns the given player object, loading it if necessary (might block).
962		1462
963	=cut	1463	=cut
964		1464
965	sub playerdir($) {	1465	sub playerdir($) {
966	cf::localdir	1466	"$PLAYERDIR/"
967	. "/"
968	. cf::playerdir
969	. "/"
970	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1467	. (ref $_[0] ? $_[0]->ob->name : $_[0])
971	}	1468	}
972		1469
973	sub path($) {	1470	sub path($) {
974	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1471	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
975		1472
976	(playerdir $login) . "/$login.pl"	1473	(playerdir $login) . "/playerdata"
977	}	1474	}
978		1475
979	sub find_active($) {	1476	sub find_active($) {
980	$cf::PLAYER{$_[0]}	1477	$cf::PLAYER{$_[0]}
981	and $cf::PLAYER{$_[0]}->active	1478	and $cf::PLAYER{$_[0]}->active
…		…
984		1481
985	sub exists($) {	1482	sub exists($) {
986	my ($login) = @_;	1483	my ($login) = @_;
987		1484
988	$cf::PLAYER{$login}	1485	$cf::PLAYER{$login}
989	or cf::sync_job { !aio_stat path $login }	1486	or !aio_stat path $login
990	}	1487	}
991		1488
992	sub find($) {	1489	sub find($) {
993	return $cf::PLAYER{$_[0]} || do {	1490	return $cf::PLAYER{$_[0]} || do {
994	my $login = $_[0];	1491	my $login = $_[0];
995		1492
996	my $guard = cf::lock_acquire "user_find:$login";	1493	my $guard = cf::lock_acquire "user_find:$login";
997		1494
998	$cf::PLAYER{$_[0]} || do {	1495	$cf::PLAYER{$_[0]} || do {
999	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
1000	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;
1001	$cf::PLAYER{$login} = $pl	1511	$cf::PLAYER{$login} = $pl
1002	}	1512	}
1003	}	1513	}
1004	}	1514	}
1005		1515
…		…
1014	return if $pl->{deny_save};	1524	return if $pl->{deny_save};
1015		1525
1016	aio_mkdir playerdir $pl, 0770;	1526	aio_mkdir playerdir $pl, 0770;
1017	$pl->{last_save} = $cf::RUNTIME;	1527	$pl->{last_save} = $cf::RUNTIME;
1018		1528
		1529	cf::get_slot 0.01;
		1530
1019	$pl->save_pl ($path);	1531	$pl->save_pl ($path);
1020	Coro::cede;	1532	cf::cede_to_tick;
1021	}	1533	}
1022		1534
1023	sub new($) {	1535	sub new($) {
1024	my ($login) = @_;	1536	my ($login) = @_;
1025		1537
…		…
1031	$cf::PLAYER{$login} = $self;	1543	$cf::PLAYER{$login} = $self;
1032		1544
1033	$self	1545	$self
1034	}	1546	}
1035		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
1036	=item $pl->quit_character	1558	=item $pl->quit_character
1037		1559
1038	Nukes the player without looking back. If logged in, the connection will	1560	Nukes the player without looking back. If logged in, the connection will
1039	be destroyed. May block for a long time.	1561	be destroyed. May block for a long time.
1040		1562
1041	=cut	1563	=cut
1042		1564
1043	sub quit_character {	1565	sub quit_character {
1044	my ($pl) = @_;	1566	my ($pl) = @_;
1045		1567
		1568	my $name = $pl->ob->name;
		1569
1046	$pl->{deny_save} = 1;	1570	$pl->{deny_save} = 1;
1047	$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
1048		1572
1049	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1573	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1050	$pl->deactivate;	1574	$pl->deactivate;
		1575	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1576	$pl->ob->check_score;
1051	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1577	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1052	$pl->ns->destroy if $pl->ns;	1578	$pl->ns->destroy if $pl->ns;
1053		1579
1054	my $path = playerdir $pl;	1580	my $path = playerdir $pl;
1055	my $temp = "$path~$cf::RUNTIME~deleting~";	1581	my $temp = "$path~$cf::RUNTIME~deleting~";
1056	aio_rename $path, $temp;	1582	aio_rename $path, $temp;
1057	delete $cf::PLAYER{$pl->ob->name};	1583	delete $cf::PLAYER{$pl->ob->name};
1058	$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
1059	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;
1060	}	1606	}
1061		1607
1062	=item cf::player::list_logins	1608	=item cf::player::list_logins
1063		1609
1064	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
1065	while and may block, so not sync_job-capable, ever.	1611	while and may block, so not sync_job-capable, ever.
1066		1612
1067	=cut	1613	=cut
1068		1614
1069	sub list_logins {	1615	sub list_logins {
1070	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1616	my $dirs = aio_readdir $PLAYERDIR
1071	or return [];	1617	or return [];
1072		1618
1073	my @logins;	1619	my @logins;
1074		1620
1075	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") {
1076	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1627	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1077	aio_read $fh, 0, 512, my $buf, 0 or next;	1628	aio_read $fh, 0, 512, my $buf, 0 or next;
1078	$buf !~ /^password -------------$/m or next; # official not-valid tag	1629	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1630	}
1079		1631
1080	utf8::decode $login;	1632	utf8::decode $login;
1081	push @logins, $login;	1633	push @logins, $login;
1082	}	1634	}
1083		1635
…		…
1110	}	1662	}
1111		1663
1112	\@paths	1664	\@paths
1113	}	1665	}
1114		1666
		1667	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1668
		1669	Expand deliantra pod fragments into protocol xml.
		1670
1115	=item $player->ext_reply ($msgid, $msgtype, %msg)	1671	=item $player->ext_reply ($msgid, @msg)
1116		1672
1117	Sends an ext reply to the player.	1673	Sends an ext reply to the player.
1118		1674
1119	=cut	1675	=cut
1120		1676
1121	sub ext_reply($$$%) {	1677	sub ext_reply($$@) {
1122	my ($self, $id, %msg) = @_;	1678	my ($self, $id, @msg) = @_;
1123		1679
1124	$msg{msgid} = $id;	1680	$self->ns->ext_reply ($id, @msg)
1125
1126	$self->send ("ext " . cf::to_json \%msg);
1127	}	1681	}
1128		1682
1129	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	}
1130		1723
1131	=back	1724	=back
1132
1133		1725
1134	=head3 cf::map	1726	=head3 cf::map
1135		1727
1136	=over 4	1728	=over 4
1137		1729
…		…
1149	our $MAX_RESET = 3600;	1741	our $MAX_RESET = 3600;
1150	our $DEFAULT_RESET = 3000;	1742	our $DEFAULT_RESET = 3000;
1151		1743
1152	sub generate_random_map {	1744	sub generate_random_map {
1153	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
1154	# mit "rum" bekleckern, nicht	1749	# mit "rum" bekleckern, nicht
1155	$self->_create_random_map (	1750	$self->_create_random_map (
1156	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1751	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1157	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1752	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1158	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1753	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1192	my ($self, $merge) = @_;	1787	my ($self, $merge) = @_;
1193		1788
1194	# we have to keep some variables in memory intact	1789	# we have to keep some variables in memory intact
1195	local $self->{path};	1790	local $self->{path};
1196	local $self->{load_path};	1791	local $self->{load_path};
1197	local $self->{deny_save};
1198	local $self->{deny_reset};
1199		1792
1200	$self->SUPER::thawer_merge ($merge);	1793	$self->SUPER::thawer_merge ($merge);
1201	}	1794	}
1202		1795
1203	sub normalise {	1796	sub normalise {
…		…
1250	$self->init; # pass $1 etc.	1843	$self->init; # pass $1 etc.
1251	return $self;	1844	return $self;
1252	}	1845	}
1253	}	1846	}
1254		1847
1255	Carp::carp "unable to resolve path '$path' (base '$base').";	1848	Carp::cluck "unable to resolve path '$path' (base '$base').";
1256	()	1849	()
1257	}	1850	}
1258		1851
1259	sub init {	1852	sub init {
1260	my ($self) = @_;	1853	my ($self) = @_;
…		…
1275		1868
1276	# the original (read-only) location	1869	# the original (read-only) location
1277	sub load_path {	1870	sub load_path {
1278	my ($self) = @_;	1871	my ($self) = @_;
1279		1872
1280	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1873	"$MAPDIR/$self->{path}.map"
1281	}	1874	}
1282		1875
1283	# the temporary/swap location	1876	# the temporary/swap location
1284	sub save_path {	1877	sub save_path {
1285	my ($self) = @_;	1878	my ($self) = @_;
1286		1879
1287	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1880	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1288	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1881	"$TMPDIR/$path.map"
1289	}	1882	}
1290		1883
1291	# the unique path, undef == no special unique path	1884	# the unique path, undef == no special unique path
1292	sub uniq_path {	1885	sub uniq_path {
1293	my ($self) = @_;	1886	my ($self) = @_;
1294		1887
1295	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1888	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1296	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1889	"$UNIQUEDIR/$path"
1297	}	1890	}
1298		1891
1299	# and all this just because we cannot iterate over	1892	# and all this just because we cannot iterate over
1300	# all maps in C++...	1893	# all maps in C++...
1301	sub change_all_map_light {	1894	sub change_all_map_light {
…		…
1303		1896
1304	$_->change_map_light ($change)	1897	$_->change_map_light ($change)
1305	for grep $_->outdoor, values %cf::MAP;	1898	for grep $_->outdoor, values %cf::MAP;
1306	}	1899	}
1307		1900
		1901	sub decay_objects {
		1902	my ($self) = @_;
		1903
		1904	return if $self->{deny_reset};
		1905
		1906	$self->do_decay_objects;
		1907	}
		1908
1308	sub unlink_save {	1909	sub unlink_save {
1309	my ($self) = @_;	1910	my ($self) = @_;
1310		1911
1311	utf8::encode (my $save = $self->save_path);	1912	utf8::encode (my $save = $self->save_path);
1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1913	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1914	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1314
1315	#d#TODO remove .map and also nuke
1316	$save =~ s/\.map// or return;#d#
1317	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1318	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1319	}	1915	}
1320		1916
1321	sub load_header_from($) {	1917	sub load_header_from($) {
1322	my ($self, $path) = @_;	1918	my ($self, $path) = @_;
1323		1919
1324	utf8::encode $path;	1920	utf8::encode $path;
1325	#aio_open $path, O_RDONLY, 0	1921	my $f = new_from_file cf::object::thawer $path
1326	# or return;
1327
1328	$self->_load_header ($path)
1329	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;
1330		1929
1331	$self->{load_path} = $path;	1930	$self->{load_path} = $path;
1332		1931
1333	1	1932	1
1334	}	1933	}
…		…
1373	$self->load_header_orig	1972	$self->load_header_orig
1374	or return;	1973	or return;
1375	$self->prepare_orig;	1974	$self->prepare_orig;
1376	}	1975	}
1377		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
1378	1	1983	1
1379	}	1984	}
1380		1985
1381	sub find;	1986	sub find;
1382	sub find {	1987	sub find {
1383	my ($path, $origin) = @_;	1988	my ($path, $origin) = @_;
1384		1989
1385	$path = normalise $path, $origin && $origin->path;	1990	$path = normalise $path, $origin && $origin->path;
1386		1991
		1992	cf::lock_wait "map_data:$path";#d#remove
1387	cf::lock_wait "map_find:$path";	1993	cf::lock_wait "map_find:$path";
1388		1994
1389	$cf::MAP{$path} || do {	1995	$cf::MAP{$path} || do {
		1996	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1390	my $guard = cf::lock_acquire "map_find:$path";	1997	my $guard2 = cf::lock_acquire "map_find:$path";
		1998
1391	my $map = new_from_path cf::map $path	1999	my $map = new_from_path cf::map $path
1392	or return;	2000	or return;
1393		2001
1394	$map->{last_save} = $cf::RUNTIME;	2002	$map->{last_save} = $cf::RUNTIME;
1395		2003
1396	$map->load_header	2004	$map->load_header
1397	or return;	2005	or return;
1398		2006
1399	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2007	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1400	# doing this can freeze the server in a sync job, obviously	2008	# doing this can freeze the server in a sync job, obviously
1401	#$cf::WAIT_FOR_TICK->wait;	2009	#$cf::WAIT_FOR_TICK->wait;
		2010	undef $guard2;
		2011	undef $guard1;
1402	$map->reset;	2012	$map->reset;
1403	undef $guard;
1404	return find $path;	2013	return find $path;
1405	}	2014	}
1406		2015
1407	$cf::MAP{$path} = $map	2016	$cf::MAP{$path} = $map
1408	}	2017	}
…		…
1415	my ($self) = @_;	2024	my ($self) = @_;
1416		2025
1417	local $self->{deny_reset} = 1; # loading can take a long time	2026	local $self->{deny_reset} = 1; # loading can take a long time
1418		2027
1419	my $path = $self->{path};	2028	my $path = $self->{path};
		2029
		2030	{
1420	my $guard = cf::lock_acquire "map_load:$path";	2031	my $guard = cf::lock_acquire "map_data:$path";
1421		2032
		2033	return unless $self->valid;
1422	return if $self->in_memory != cf::MAP_SWAPPED;	2034	return unless $self->in_memory == cf::MAP_SWAPPED;
1423		2035
1424	$self->in_memory (cf::MAP_LOADING);	2036	$self->in_memory (cf::MAP_LOADING);
1425		2037
1426	$self->alloc;	2038	$self->alloc;
1427		2039
1428	$self->pre_load;	2040	$self->pre_load;
		2041	cf::cede_to_tick;
1429		2042
1430	$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)
1431	or return;	2046	or return;
1432		2047
1433	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2048	$self->post_load_original
1434	if delete $self->{load_original};	2049	if delete $self->{load_original};
1435		2050
1436	if (my $uniq = $self->uniq_path) {	2051	if (my $uniq = $self->uniq_path) {
1437	utf8::encode $uniq;	2052	utf8::encode $uniq;
1438	if (aio_open $uniq, O_RDONLY, 0) {	2053	unless (aio_stat $uniq) {
		2054	if (my $f = new_from_file cf::object::thawer $uniq) {
1439	$self->clear_unique_items;	2055	$self->clear_unique_items;
1440	$self->_load_objects ($uniq, 0);	2056	$self->_load_objects ($f);
		2057	$f->resolve_delayed_derefs;
		2058	}
1441	}	2059	}
1442	}	2060	}
1443		2061
1444	Coro::cede;	2062	$f->resolve_delayed_derefs;
1445		2063
		2064	cf::cede_to_tick;
1446	# now do the right thing for maps	2065	# now do the right thing for maps
1447	$self->link_multipart_objects;	2066	$self->link_multipart_objects;
1448
1449	unless ($self->{deny_activate}) {
1450	$self->decay_objects;
1451	$self->fix_auto_apply;
1452	$self->update_buttons;
1453	Coro::cede;
1454	$self->set_darkness_map;
1455	$self->difficulty ($self->estimate_difficulty)	2067	$self->difficulty ($self->estimate_difficulty)
1456	unless $self->difficulty;	2068	unless $self->difficulty;
1457	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;
1458	$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);
1459	}	2085	}
1460		2086
1461	$self->post_load;	2087	$self->post_load;
1462
1463	$self->in_memory (cf::MAP_IN_MEMORY);
1464	}	2088	}
1465		2089
1466	sub customise_for {	2090	sub customise_for {
1467	my ($self, $ob) = @_;	2091	my ($self, $ob) = @_;
1468		2092
1469	return find "~" . $ob->name . "/" . $self->{path}	2093	return find "~" . $ob->name . "/" . $self->{path}
1470	if $self->per_player;	2094	if $self->per_player;
1471		2095
		2096	# return find "?party/" . $ob->name . "/" . $self->{path}
		2097	# if $self->per_party;
		2098
1472	$self	2099	$self
1473	}	2100	}
1474		2101
1475	# 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
1476	sub load_diag {	2103	sub load_neighbours {
1477	my ($map) = @_;	2104	my ($map) = @_;
1478		2105
1479	my @diag; # diagonal neighbours	2106	my @neigh; # diagonal neighbours
1480		2107
1481	for (0 .. 3) {	2108	for (0 .. 3) {
1482	my $neigh = $map->tile_path ($_)	2109	my $neigh = $map->tile_path ($_)
1483	or next;	2110	or next;
1484	$neigh = find $neigh, $map	2111	$neigh = find $neigh, $map
1485	or next;	2112	or next;
1486	$neigh->load;	2113	$neigh->load;
1487		2114
		2115	push @neigh,
1488	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2116	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1489	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2117	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1490	}	2118	}
1491		2119
1492	for (@diag) {	2120	for (grep defined $_->[0], @neigh) {
		2121	my ($path, $origin) = @$_;
1493	my $neigh = find @$_	2122	my $neigh = find $path, $origin
1494	or next;	2123	or next;
1495	$neigh->load;	2124	$neigh->load;
1496	}	2125	}
1497	}	2126	}
1498		2127
…		…
1503	}	2132	}
1504		2133
1505	sub do_load_sync {	2134	sub do_load_sync {
1506	my ($map) = @_;	2135	my ($map) = @_;
1507		2136
		2137	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2138	if $Coro::current == $Coro::main;
		2139
1508	cf::sync_job { $map->load };	2140	cf::sync_job { $map->load };
1509	}	2141	}
1510		2142
1511	our %MAP_PREFETCH;	2143	our %MAP_PREFETCH;
1512	our $MAP_PREFETCHER = undef;	2144	our $MAP_PREFETCHER = undef;
1513		2145
1514	sub find_async {	2146	sub find_async {
1515	my ($path, $origin) = @_;	2147	my ($path, $origin, $load) = @_;
1516		2148
1517	$path = normalise $path, $origin && $origin->{path};	2149	$path = normalise $path, $origin && $origin->{path};
1518		2150
1519	if (my $map = $cf::MAP{$path}) {	2151	if (my $map = $cf::MAP{$path}) {
1520	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2152	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1521	}	2153	}
1522		2154
1523	undef $MAP_PREFETCH{$path};	2155	$MAP_PREFETCH{$path} |= $load;
		2156
1524	$MAP_PREFETCHER ||= cf::async {	2157	$MAP_PREFETCHER ||= cf::async {
		2158	$Coro::current->{desc} = "map prefetcher";
		2159
1525	while (%MAP_PREFETCH) {	2160	while (%MAP_PREFETCH) {
1526	for my $path (keys %MAP_PREFETCH) {	2161	while (my ($k, $v) = each %MAP_PREFETCH) {
1527	my $map = find $path	2162	if (my $map = find $k) {
1528	or next;
1529	$map->load;	2163	$map->load if $v;
		2164	}
1530		2165
1531	delete $MAP_PREFETCH{$path};	2166	delete $MAP_PREFETCH{$k};
1532	}	2167	}
1533	}	2168	}
1534	undef $MAP_PREFETCHER;	2169	undef $MAP_PREFETCHER;
1535	};	2170	};
1536	$MAP_PREFETCHER->prio (6);	2171	$MAP_PREFETCHER->prio (6);
…		…
1539	}	2174	}
1540		2175
1541	sub save {	2176	sub save {
1542	my ($self) = @_;	2177	my ($self) = @_;
1543		2178
1544	my $lock = cf::lock_acquire "map_data:" . $self->path;	2179	my $lock = cf::lock_acquire "map_data:$self->{path}";
1545		2180
1546	$self->{last_save} = $cf::RUNTIME;	2181	$self->{last_save} = $cf::RUNTIME;
1547		2182
1548	return unless $self->dirty;	2183	return unless $self->dirty;
1549		2184
…		…
1555	return if $self->{deny_save};	2190	return if $self->{deny_save};
1556		2191
1557	local $self->{last_access} = $self->last_access;#d#	2192	local $self->{last_access} = $self->last_access;#d#
1558		2193
1559	cf::async {	2194	cf::async {
		2195	$Coro::current->{desc} = "map player save";
1560	$_->contr->save for $self->players;	2196	$_->contr->save for $self->players;
1561	};	2197	};
		2198
		2199	cf::get_slot 0.02;
1562		2200
1563	if ($uniq) {	2201	if ($uniq) {
1564	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2202	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1565	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2203	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1566	} else {	2204	} else {
…		…
1572	my ($self) = @_;	2210	my ($self) = @_;
1573		2211
1574	# save first because save cedes	2212	# save first because save cedes
1575	$self->save;	2213	$self->save;
1576		2214
1577	my $lock = cf::lock_acquire "map_data:" . $self->path;	2215	my $lock = cf::lock_acquire "map_data:$self->{path}";
1578		2216
1579	return if $self->players;	2217	return if $self->players;
1580	return if $self->in_memory != cf::MAP_IN_MEMORY;	2218	return if $self->in_memory != cf::MAP_ACTIVE;
1581	return if $self->{deny_save};	2219	return if $self->{deny_save};
1582		2220
		2221	$self->in_memory (cf::MAP_SWAPPED);
		2222
		2223	$self->deactivate;
		2224	$_->clear_links_to ($self) for values %cf::MAP;
1583	$self->clear;	2225	$self->clear;
1584	$self->in_memory (cf::MAP_SWAPPED);
1585	}	2226	}
1586		2227
1587	sub reset_at {	2228	sub reset_at {
1588	my ($self) = @_;	2229	my ($self) = @_;
1589		2230
1590	# TODO: safety, remove and allow resettable per-player maps	2231	# TODO: safety, remove and allow resettable per-player maps
1591	return 1e99 if $self->isa ("ext::map_per_player");#d#
1592	return 1e99 if $self->{deny_reset};	2232	return 1e99 if $self->{deny_reset};
1593		2233
1594	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2234	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1595	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;
1596		2236
…		…
1607	my ($self) = @_;	2247	my ($self) = @_;
1608		2248
1609	my $lock = cf::lock_acquire "map_data:$self->{path}";	2249	my $lock = cf::lock_acquire "map_data:$self->{path}";
1610		2250
1611	return if $self->players;	2251	return if $self->players;
1612	return if $self->isa ("ext::map_per_player");#d#
1613		2252
1614	warn "resetting map ", $self->path;#d#	2253	warn "resetting map ", $self->path;
1615		2254
1616	$self->in_memory (cf::MAP_SWAPPED);	2255	$self->in_memory (cf::MAP_SWAPPED);
1617		2256
1618	# need to save uniques path	2257	# need to save uniques path
1619	unless ($self->{deny_save}) {	2258	unless ($self->{deny_save}) {
…		…
1623	if $uniq;	2262	if $uniq;
1624	}	2263	}
1625		2264
1626	delete $cf::MAP{$self->path};	2265	delete $cf::MAP{$self->path};
1627		2266
		2267	$self->deactivate;
		2268	$_->clear_links_to ($self) for values %cf::MAP;
1628	$self->clear;	2269	$self->clear;
1629
1630	$_->clear_links_to ($self) for values %cf::MAP;
1631		2270
1632	$self->unlink_save;	2271	$self->unlink_save;
1633	$self->destroy;	2272	$self->destroy;
1634	}	2273	}
1635		2274
1636	my $nuke_counter = "aaaa";	2275	my $nuke_counter = "aaaa";
1637		2276
1638	sub nuke {	2277	sub nuke {
1639	my ($self) = @_;	2278	my ($self) = @_;
1640		2279
		2280	{
		2281	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2282
1641	delete $cf::MAP{$self->path};	2283	delete $cf::MAP{$self->path};
1642		2284
1643	$self->unlink_save;	2285	$self->unlink_save;
1644		2286
1645	bless $self, "cf::map";	2287	bless $self, "cf::map";
1646	delete $self->{deny_reset};	2288	delete $self->{deny_reset};
1647	$self->{deny_save} = 1;	2289	$self->{deny_save} = 1;
1648	$self->reset_timeout (1);	2290	$self->reset_timeout (1);
1649	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2291	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1650		2292
1651	$cf::MAP{$self->path} = $self;	2293	$cf::MAP{$self->path} = $self;
		2294	}
1652		2295
1653	$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	]
1654	}	2333	}
1655		2334
1656	=item cf::map::unique_maps	2335	=item cf::map::unique_maps
1657		2336
1658	Returns an arrayref of paths of all shared maps that have	2337	Returns an arrayref of paths of all shared maps that have
1659	instantiated unique items. May block.	2338	instantiated unique items. May block.
1660		2339
1661	=cut	2340	=cut
1662		2341
1663	sub unique_maps() {	2342	sub unique_maps() {
1664	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2343	[
1665	or return;	2344	map {
1666
1667	my @paths;
1668
1669	for (@$files) {
1670	utf8::decode $_;	2345	utf8::decode $_;
1671	next if /\.pst$/;	2346	s/\.map$//; # TODO future compatibility hack
1672	next unless /^$PATH_SEP/o;	2347	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1673		2348	? ()
1674	push @paths, cf::map::normalise $_;	2349	: normalise $_
		2350	} @{ aio_readdir $UNIQUEDIR or [] }
1675	}	2351	]
1676
1677	\@paths
1678	}	2352	}
1679
1680	package cf;
1681		2353
1682	=back	2354	=back
1683		2355
1684	=head3 cf::object	2356	=head3 cf::object
1685		2357
…		…
1689		2361
1690	=over 4	2362	=over 4
1691		2363
1692	=item $ob->inv_recursive	2364	=item $ob->inv_recursive
1693		2365
1694	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.
1695		2368
1696	=cut	2369	=cut
1697		2370
1698	sub inv_recursive_;	2371	sub inv_recursive_;
1699	sub inv_recursive_ {	2372	sub inv_recursive_ {
…		…
1702		2375
1703	sub inv_recursive {	2376	sub inv_recursive {
1704	inv_recursive_ inv $_[0]	2377	inv_recursive_ inv $_[0]
1705	}	2378	}
1706		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
1707	package cf;	2408	package cf;
1708		2409
1709	=back	2410	=back
1710		2411
1711	=head3 cf::object::player	2412	=head3 cf::object::player
…		…
1717	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>
1718	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
1719	dialogue with the given NPC character.	2420	dialogue with the given NPC character.
1720		2421
1721	=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	};
1722		2437
1723	# rough implementation of a future "reply" method that works	2438	# rough implementation of a future "reply" method that works
1724	# with dialog boxes.	2439	# with dialog boxes.
1725	#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
1726	sub cf::object::player::reply($$$;$) {	2441	sub cf::object::player::reply($$$;$) {
…		…
1728		2443
1729	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2444	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1730		2445
1731	if ($self->{record_replies}) {	2446	if ($self->{record_replies}) {
1732	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2447	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2448
1733	} 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 {
1734	$msg = $npc->name . " says: $msg" if $npc;	2457	$msg = $npc->name . " says: $msg" if $npc;
1735	$self->message ($msg, $flags);	2458	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2459	}
1736	}	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 (@_);
1737	}	2471	}
1738		2472
1739	=item $player_object->may ("access")	2473	=item $player_object->may ("access")
1740		2474
1741	Returns wether the given player is authorized to access resource "access"	2475	Returns wether the given player is authorized to access resource "access"
…		…
1754		2488
1755	=item $player_object->enter_link	2489	=item $player_object->enter_link
1756		2490
1757	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}>).
1758		2492
1759	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.
1760	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.
1761		2497
1762	Will never block.	2498	Will never block.
1763		2499
1764	=item $player_object->leave_link ($map, $x, $y)	2500	=item $player_object->leave_link ($map, $x, $y)
1765		2501
…		…
1788	$self->deactivate_recursive;	2524	$self->deactivate_recursive;
1789		2525
1790	return if UNIVERSAL::isa $self->map, "ext::map_link";	2526	return if UNIVERSAL::isa $self->map, "ext::map_link";
1791		2527
1792	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2528	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1793	if $self->map;	2529	if $self->map && $self->map->{path} ne "{link}";
1794		2530
1795	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2531	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1796	}	2532	}
1797		2533
1798	sub cf::object::player::leave_link {	2534	sub cf::object::player::leave_link {
1799	my ($self, $map, $x, $y) = @_;	2535	my ($self, $map, $x, $y) = @_;
		2536
		2537	return unless $self->contr->active;
1800		2538
1801	my $link_pos = delete $self->{_link_pos};	2539	my $link_pos = delete $self->{_link_pos};
1802		2540
1803	unless ($map) {	2541	unless ($map) {
1804	# restore original map position	2542	# restore original map position
…		…
1818	# use -1 or undef as default coordinates, not 0, 0	2556	# use -1 or undef as default coordinates, not 0, 0
1819	($x, $y) = ($map->enter_x, $map->enter_y)	2557	($x, $y) = ($map->enter_x, $map->enter_y)
1820	if $x <=0 && $y <= 0;	2558	if $x <=0 && $y <= 0;
1821		2559
1822	$map->load;	2560	$map->load;
1823	$map->load_diag;	2561	$map->load_neighbours;
1824		2562
1825	return unless $self->contr->active;	2563	return unless $self->contr->active;
		2564	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1826	$self->activate_recursive;	2565	$self->activate_recursive;
		2566
		2567	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1827	$self->enter_map ($map, $x, $y);	2568	$self->enter_map ($map, $x, $y);
1828	}	2569	}
1829		2570
1830	cf::player->attach (	2571	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1831	on_logout => sub {
1832	my ($pl) = @_;
1833		2572
1834	# abort map switching before logout	2573	Moves the player to the given map-path and coordinates by first freezing
1835	if ($pl->ob->{_link_pos}) {	2574	her, loading and preparing them map, calling the provided $check callback
1836	cf::sync_job {	2575	that has to return the map if sucecssful, and then unfreezes the player on
1837	$pl->ob->leave_link	2576	the new (success) or old (failed) map position. In either case, $done will
1838	};	2577	be called at the end of this process.
1839	}
1840	},
1841	on_login => sub {
1842	my ($pl) = @_;
1843		2578
1844	# try to abort aborted map switching on player login :)	2579	Note that $check will be called with a potentially non-loaded map, so if
1845	# should happen only on crashes	2580	it needs a loaded map it has to call C<< ->load >>.
1846	if ($pl->ob->{_link_pos}) {
1847	$pl->ob->enter_link;
1848	(async {
1849	# we need this sleep as the login has a concurrent enter_exit running
1850	# and this sleep increases chances of the player not ending up in scorn
1851	$pl->ob->reply (undef,
1852	"There was an internal problem at your last logout, "
1853	. "the server will try to bring you to your intended destination in a second.",
1854	cf::NDI_RED);
1855	Coro::Timer::sleep 1;
1856	$pl->ob->leave_link;
1857	})->prio (2);
1858	}
1859	},
1860	);
1861		2581
1862	=item $player_object->goto ($path, $x, $y)
1863
1864	=cut	2582	=cut
		2583
		2584	our $GOTOGEN;
1865		2585
1866	sub cf::object::player::goto {	2586	sub cf::object::player::goto {
1867	my ($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;
1868		2591
1869	$self->enter_link;	2592	$self->enter_link;
1870		2593
1871	(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
1872	my $map = eval {	2616	my $map = eval {
1873	my $map = cf::map::find $path;	2617	my $map = defined $path ? cf::map::find $path : undef;
		2618
		2619	if ($map) {
1874	$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
1875	$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 $@;
1876	} or	2632	}
1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1878		2633
		2634	if ($gen == $self->{_goto_generation}) {
		2635	delete $self->{_goto_generation};
1879	$self->leave_link ($map, $x, $y);	2636	$self->leave_link ($map, $x, $y);
		2637	}
		2638
		2639	$done->() if $done;
1880	})->prio (1);	2640	})->prio (1);
1881	}	2641	}
1882		2642
1883	=item $player_object->enter_exit ($exit_object)	2643	=item $player_object->enter_exit ($exit_object)
1884		2644
…		…
1904	}	2664	}
1905		2665
1906	sub prepare_random_map {	2666	sub prepare_random_map {
1907	my ($exit) = @_;	2667	my ($exit) = @_;
1908		2668
1909	my $guard = cf::lock_acquire "exit_prepare:$exit";
1910
1911	# all this does is basically replace the /! path by	2669	# all this does is basically replace the /! path by
1912	# a new random map path (?random/...) with a seed	2670	# a new random map path (?random/...) with a seed
1913	# that depends on the exit object	2671	# that depends on the exit object
1914		2672
1915	my $rmp = parse_random_map_params $exit->msg;	2673	my $rmp = parse_random_map_params $exit->msg;
…		…
1917	if ($exit->map) {	2675	if ($exit->map) {
1918	$rmp->{region} = $exit->region->name;	2676	$rmp->{region} = $exit->region->name;
1919	$rmp->{origin_map} = $exit->map->path;	2677	$rmp->{origin_map} = $exit->map->path;
1920	$rmp->{origin_x} = $exit->x;	2678	$rmp->{origin_x} = $exit->x;
1921	$rmp->{origin_y} = $exit->y;	2679	$rmp->{origin_y} = $exit->y;
		2680
		2681	$exit->map->touch;
1922	}	2682	}
1923		2683
1924	$rmp->{random_seed} ||= $exit->random_seed;	2684	$rmp->{random_seed} ||= $exit->random_seed;
1925		2685
1926	my $data = cf::to_json $rmp;	2686	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1927	my $md5 = Digest::MD5::md5_hex $data;	2687	my $md5 = Digest::MD5::md5_hex $data;
1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2688	my $meta = "$RANDOMDIR/$md5.meta";
1929		2689
1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2690	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1931	aio_write $fh, 0, (length $data), $data, 0;	2691	aio_write $fh, 0, (length $data), $data, 0;
1932	undef $fh;	2692	undef $fh;
1933	aio_rename "$meta~", $meta;	2693	aio_rename "$meta~", $meta;
1934		2694
		2695	my $slaying = "?random/$md5";
		2696
		2697	if ($exit->valid) {
1935	$exit->slaying ("?random/$md5");	2698	$exit->slaying ("?random/$md5");
1936	$exit->msg (undef);	2699	$exit->msg (undef);
		2700	}
1937	}	2701	}
1938	}	2702	}
1939		2703
1940	sub cf::object::player::enter_exit {	2704	sub cf::object::player::enter_exit {
1941	my ($self, $exit) = @_;	2705	my ($self, $exit) = @_;
1942		2706
1943	return unless $self->type == cf::PLAYER;	2707	return unless $self->type == cf::PLAYER;
1944		2708
1945	if ($exit->slaying eq "/!") {
1946	#TODO: this should de-fi-ni-te-ly not be a sync-job
1947	cf::sync_job { prepare_random_map $exit };
1948	}
1949
1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1951	my $hp = $exit->stats->hp;
1952	my $sp = $exit->stats->sp;
1953
1954	$self->enter_link;	2709	$self->enter_link;
1955		2710
1956	(async {	2711	(async {
1957	$self->deactivate_recursive; # just to be sure	2712	$Coro::current->{desc} = "enter_exit";
		2713
1958	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
1959	$self->goto ($slaying, $hp, $sp);	2729	$self->goto ($map, $x, $y);
1960		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
1961	1;	2735	1
1962	}) {	2736	}) {
1963	$self->message ("Something went wrong deep within the crossfire server. "	2737	$self->message ("Something went wrong deep within the deliantra server. "
1964	. "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. "
1965	. "Please report this to the dungeon master!",	2739	. "Please report this to the dungeon master!",
1966	cf::NDI_UNIQUE | cf::NDI_RED);	2740	cf::NDI_UNIQUE | cf::NDI_RED);
1967		2741
1968	warn "ERROR in enter_exit: $@";	2742	warn "ERROR in enter_exit: $@";
1969	$self->leave_link;	2743	$self->leave_link;
1970	}	2744	}
1971	})->prio (1);	2745	})->prio (1);
…		…
1984		2758
1985	sub cf::client::send_drawinfo {	2759	sub cf::client::send_drawinfo {
1986	my ($self, $text, $flags) = @_;	2760	my ($self, $text, $flags) = @_;
1987		2761
1988	utf8::encode $text;	2762	utf8::encode $text;
1989	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2763	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1990	}	2764	}
1991		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	}
1992		2951
1993	=item $success = $client->query ($flags, "text", \&cb)	2952	=item $success = $client->query ($flags, "text", \&cb)
1994		2953
1995	Queues a query to the client, calling the given callback with	2954	Queues a query to the client, calling the given callback with
1996	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>,
1997	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>.
1998		2957
1999	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
2000	reliable at some point in the future.	2959	become reliable at some point in the future.
2001		2960
2002	=cut	2961	=cut
2003		2962
2004	sub cf::client::query {	2963	sub cf::client::query {
2005	my ($self, $flags, $text, $cb) = @_;	2964	my ($self, $flags, $text, $cb) = @_;
…		…
2013	utf8::encode $text;	2972	utf8::encode $text;
2014	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2973	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2015		2974
2016	$self->send_packet ($self->{query_queue}[0][0])	2975	$self->send_packet ($self->{query_queue}[0][0])
2017	if @{ $self->{query_queue} } == 1;	2976	if @{ $self->{query_queue} } == 1;
		2977
		2978	1
2018	}	2979	}
2019		2980
2020	cf::client->attach (	2981	cf::client->attach (
		2982	on_connect => sub {
		2983	my ($ns) = @_;
		2984
		2985	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2986	},
2021	on_reply => sub {	2987	on_reply => sub {
2022	my ($ns, $msg) = @_;	2988	my ($ns, $msg) = @_;
2023		2989
2024	# this weird shuffling is so that direct followup queries	2990	# this weird shuffling is so that direct followup queries
2025	# get handled first	2991	# get handled first
…		…
2037	} else {	3003	} else {
2038	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3004	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2039	}	3005	}
2040	}	3006	}
2041	},	3007	},
		3008	on_exticmd => sub {
		3009	my ($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	},
2042	);	3034	);
2043		3035
2044	=item $client->async (\&cb)	3036	=item $client->async (\&cb)
2045		3037
2046	Create a new coroutine, running the specified callback. The coroutine will	3038	Create a new coroutine, running the specified callback. The coroutine will
…		…
2087	our $safe = new Safe "safe";	3079	our $safe = new Safe "safe";
2088	our $safe_hole = new Safe::Hole;	3080	our $safe_hole = new Safe::Hole;
2089		3081
2090	$SIG{FPE} = 'IGNORE';	3082	$SIG{FPE} = 'IGNORE';
2091		3083
2092	$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	));
2093		3089
2094	# here we export the classes and methods available to script code	3090	# here we export the classes and methods available to script code
2095		3091
2096	=pod	3092	=pod
2097		3093
2098	The following fucntions and emthods are available within a safe environment:	3094	The following functions and methods are available within a safe environment:
2099		3095
2100	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
2101	cf::object::player player	3100	cf::object::player
2102	cf::player peaceful	3101	player
2103	cf::map trigger	3102
		3103	cf::player
		3104	peaceful
		3105
		3106	cf::map
		3107	trigger
2104		3108
2105	=cut	3109	=cut
2106		3110
2107	for (	3111	for (
2108	["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)],
2109	["cf::object::player" => qw(player)],	3115	["cf::object::player" => qw(player)],
2110	["cf::player" => qw(peaceful)],	3116	["cf::player" => qw(peaceful)],
2111	["cf::map" => qw(trigger)],	3117	["cf::map" => qw(trigger)],
2112	) {	3118	) {
2113	no strict 'refs';	3119	no strict 'refs';
…		…
2184	=back	3190	=back
2185		3191
2186	=cut	3192	=cut
2187		3193
2188	#############################################################################	3194	#############################################################################
2189
2190	=head2 EXTENSION DATABASE SUPPORT
2191
2192	Crossfire maintains a very simple database for extension use. It can
2193	currently store anything that can be serialised using Storable, which
2194	excludes objects.
2195
2196	The parameter C<$family> should best start with the name of the extension
2197	using it, it should be unique.
2198
2199	=over 4
2200
2201	=item $value = cf::db_get $family => $key
2202
2203	Returns a single value from the database.
2204
2205	=item cf::db_put $family => $key => $value
2206
2207	Stores the given C<$value> in the family.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	sub db_init {
2214	unless ($DB) {
2215	$DB = BDB::db_create $DB_ENV;
2216
2217	cf::sync_job {
2218	eval {
2219	$DB->set_flags (BDB::CHKSUM);
2220
2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2223	cf::cleanup "db_open(db): $!" if $!;
2224	};
2225	cf::cleanup "db_open(db): $@" if $@;
2226	};
2227
2228	my $path = cf::localdir . "/database.pst";
2229	if (stat $path) {
2230	cf::sync_job {
2231	my $pst = Storable::retrieve $path;
2232
2233	cf::db_put (board => data => $pst->{board});
2234	cf::db_put (guildrules => data => $pst->{guildrules});
2235	cf::db_put (rent => balance => $pst->{rent}{balance});
2236	BDB::db_env_txn_checkpoint $DB_ENV;
2237
2238	unlink $path;
2239	};
2240	}
2241	}
2242	}
2243
2244	sub db_get($$) {
2245	my $key = "$_[0]/$_[1]";
2246
2247	cf::sync_job {
2248	BDB::db_get $DB, undef, $key, my $data;
2249
2250	$! ? ()
2251	: Compress::LZF::sthaw $data
2252	}
2253	}
2254
2255	sub db_put($$$) {
2256	BDB::dbreq_pri 4;
2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2258	}
2259
2260	#############################################################################
2261	# the server's init and main functions	3195	# the server's init and main functions
2262		3196
		3197	sub load_facedata($) {
		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, $v);
		3329	}
		3330	};
		3331
2263	sub load_resources {	3332	sub load_resource_file($) {
2264	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"
2265	or die "unable to load regions file\n";#d#	3348	or die "unable to load regions file\n";
2266	}
2267		3349
2268	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 {
2269	open my $fh, "<:utf8", cf::confdir . "/config"	3383	open my $fh, "<:utf8", "$CONFDIR/config"
2270	or return;	3384	or return;
2271		3385
2272	local $/;	3386	local $/;
2273	*CFG = YAML::Syck::Load <$fh>;	3387	*CFG = YAML::Load <$fh>;
2274		3388
2275	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3389	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2276		3390
2277	$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};
2278	$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};
…		…
2284	};	3398	};
2285	warn $@ if $@;	3399	warn $@ if $@;
2286	}	3400	}
2287	}	3401	}
2288		3402
2289	sub init {	3403	sub pidfile() {
2290	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 $$;
2291	}	3420	}
2292		3421
2293	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
2294	# we must not ever block the main coroutine	3438	# we must not ever block the main coroutine
2295	local $Coro::idle = sub {	3439	local $Coro::idle = sub {
2296	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#
2297	(async {	3441	(async {
2298	Event::one_event;	3442	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3443	EV::loop EV::LOOP_ONESHOT;
2299	})->prio (Coro::PRIO_MAX);	3444	})->prio (Coro::PRIO_MAX);
2300	};	3445	};
2301		3446
2302	cfg_load;	3447	evthread_start IO::AIO::poll_fileno;
		3448
		3449	cf::sync_job {
		3450	reload_resources;
		3451	reload_config;
2303	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
2304	load_extensions;	3465	load_extensions;
2305		3466
2306	$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
2307	Event::loop;	3475	EV::loop;
2308	}	3476	}
2309		3477
2310	#############################################################################	3478	#############################################################################
2311	# initialisation and cleanup	3479	# initialisation and cleanup
2312		3480
2313	# install some emergency cleanup handlers	3481	# install some emergency cleanup handlers
2314	BEGIN {	3482	BEGIN {
		3483	our %SIGWATCHER = ();
2315	for my $signal (qw(INT HUP TERM)) {	3484	for my $signal (qw(INT HUP TERM)) {
2316	Event->signal (	3485	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2317	reentrant => 0,
2318	data => WF_AUTOCANCEL,
2319	signal => $signal,
2320	prio => 0,
2321	cb => sub {
2322	cf::cleanup "SIG$signal";	3486	cf::cleanup "SIG$signal";
2323	},
2324	);	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
2325	}	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 };
2326	}	3575	}
2327		3576
2328	sub emergency_save() {	3577	sub emergency_save() {
2329	my $freeze_guard = cf::freeze_mainloop;	3578	my $freeze_guard = cf::freeze_mainloop;
2330		3579
2331	warn "enter emergency perl save\n";	3580	warn "emergency_perl_save: enter\n";
2332		3581
2333	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
2334	# use a peculiar iteration method to avoid tripping on perl	3588	# use a peculiar iteration method to avoid tripping on perl
2335	# refcount bugs in for. also avoids problems with players	3589	# refcount bugs in for. also avoids problems with players
2336	# and maps saved/destroyed asynchronously.	3590	# and maps saved/destroyed asynchronously.
2337	warn "begin emergency player save\n";	3591	warn "emergency_perl_save: begin player save\n";
2338	for my $login (keys %cf::PLAYER) {	3592	for my $login (keys %cf::PLAYER) {
2339	my $pl = $cf::PLAYER{$login} or next;	3593	my $pl = $cf::PLAYER{$login} or next;
2340	$pl->valid or next;	3594	$pl->valid or next;
		3595	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2341	$pl->save;	3596	$pl->save;
2342	}	3597	}
2343	warn "end emergency player save\n";	3598	warn "emergency_perl_save: end player save\n";
2344		3599
2345	warn "begin emergency map save\n";	3600	warn "emergency_perl_save: begin map save\n";
2346	for my $path (keys %cf::MAP) {	3601	for my $path (keys %cf::MAP) {
2347	my $map = $cf::MAP{$path} or next;	3602	my $map = $cf::MAP{$path} or next;
2348	$map->valid or next;	3603	$map->valid or next;
2349	$map->save;	3604	$map->save;
2350	}	3605	}
2351	warn "end emergency map save\n";	3606	warn "emergency_perl_save: end map save\n";
2352		3607
2353	warn "begin emergency database checkpoint\n";	3608	warn "emergency_perl_save: begin database checkpoint\n";
2354	BDB::db_env_txn_checkpoint $DB_ENV;	3609	BDB::db_env_txn_checkpoint $DB_ENV;
2355	warn "end emergency database checkpoint\n";	3610	warn "emergency_perl_save: end database checkpoint\n";
		3611
		3612	warn "emergency_perl_save: begin write uuid\n";
		3613	write_uuid_sync 1;
		3614	warn "emergency_perl_save: end write uuid\n";
2356	};	3615	};
2357		3616
		3617	warn "emergency_perl_save: starting sync()\n";
		3618	IO::AIO::aio_sync sub {
		3619	warn "emergency_perl_save: finished sync()\n";
		3620	};
		3621
2358	warn "leave emergency perl save\n";	3622	warn "emergency_perl_save: leave\n";
2359	}	3623	}
2360		3624
2361	sub post_cleanup {	3625	sub post_cleanup {
2362	my ($make_core) = @_;	3626	my ($make_core) = @_;
2363		3627
2364	warn Carp::longmess "post_cleanup backtrace"	3628	warn Carp::longmess "post_cleanup backtrace"
2365	if $make_core;	3629	if $make_core;
2366	}
2367		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
2368	sub reload() {	3661	sub do_reload_perl() {
2369	# can/must only be called in main	3662	# can/must only be called in main
2370	if ($Coro::current != $Coro::main) {	3663	if ($Coro::current != $Coro::main) {
2371	warn "can only reload from main coroutine";	3664	warn "can only reload from main coroutine";
2372	return;	3665	return;
2373	}	3666	}
2374		3667
		3668	return if $RELOAD++;
		3669
		3670	my $t1 = EV::time;
		3671
		3672	while ($RELOAD) {
2375	warn "reloading...";	3673	warn "reloading...";
2376		3674
2377	warn "cancelling server ticker";	3675	warn "entering sync_job";
2378	$TICK_WATCHER->cancel;
2379		3676
		3677	cf::sync_job {
		3678	cf::write_runtime_sync; # external watchdog should not bark
2380	cf::emergency_save;	3679	cf::emergency_save;
		3680	cf::write_runtime_sync; # external watchdog should not bark
2381		3681
2382	eval {	3682	warn "syncing database to disk";
		3683	BDB::db_env_txn_checkpoint $DB_ENV;
		3684
2383	# 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
2384		3686
2385	warn "cancelling all WF_AUTOCANCEL watchers";
2386	for (Event::all_watchers) {
2387	$_->cancel if $_->data & WF_AUTOCANCEL;
2388	}
2389
2390	warn "syncing database to disk";
2391	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2392
2393	warn "flushing outstanding aio requests";	3687	warn "flushing outstanding aio requests";
2394	for (;;) {
2395	BDB::flush;
2396	IO::AIO::flush;
2397	Coro::cede;
2398	last unless IO::AIO::nreqs || BDB::nreqs;	3688	while (IO::AIO::nreqs || BDB::nreqs) {
2399	warn "iterate...";	3689	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2400	}
2401
2402	warn "cancelling all extension coros";
2403	$_->cancel for values %EXT_CORO;
2404	%EXT_CORO = ();
2405
2406	warn "removing commands";
2407	%COMMAND = ();
2408
2409	warn "removing ext commands";
2410	%EXTCMD = ();
2411
2412	warn "unloading/nuking all extensions";
2413	for my $pkg (@EXTS) {
2414	warn "... unloading $pkg";
2415
2416	if (my $cb = $pkg->can ("unload")) {
2417	eval {
2418	$cb->($pkg);
2419	1
2420	} or warn "$pkg unloaded, but with errors: $@";
2421	}	3690	}
2422		3691
2423	warn "... nuking $pkg";	3692	warn "cancelling all extension coros";
2424	Symbol::delete_package $pkg;	3693	$_->cancel for values %EXT_CORO;
2425	}	3694	%EXT_CORO = ();
2426		3695
2427	warn "unloading all perl modules loaded from $LIBDIR";	3696	warn "removing commands";
2428	while (my ($k, $v) = each %INC) {	3697	%COMMAND = ();
2429	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2430		3698
		3699	warn "removing ext/exti commands";
		3700	%EXTCMD = ();
		3701	%EXTICMD = ();
		3702
		3703	warn "unloading/nuking all extensions";
		3704	for my $pkg (@EXTS) {
2431	warn "... unloading $k";	3705	warn "... unloading $pkg";
2432	delete $INC{$k};
2433		3706
2434	$k =~ s/\.pm$//;
2435	$k =~ s/\//::/g;
2436
2437	if (my $cb = $k->can ("unload_module")) {	3707	if (my $cb = $pkg->can ("unload")) {
		3708	eval {
2438	$cb->();	3709	$cb->($pkg);
		3710	1
		3711	} or warn "$pkg unloaded, but with errors: $@";
		3712	}
		3713
		3714	warn "... clearing $pkg";
		3715	clear_package $pkg;
2439	}	3716	}
2440		3717
2441	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;
2442	}	3733	}
2443		3734
2444	warn "getting rid of safe::, as good as possible";	3735	warn "getting rid of safe::, as good as possible";
2445	Symbol::delete_package "safe::$_"	3736	clear_package "safe::$_"
2446	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);
2447		3738
2448	warn "unloading cf.pm \"a bit\"";	3739	warn "unloading cf.pm \"a bit\"";
2449	delete $INC{"cf.pm"};	3740	delete $INC{"cf.pm"};
		3741	delete $INC{"cf/pod.pm"};
2450		3742
2451	# don't, removes xs symbols, too,	3743	# don't, removes xs symbols, too,
2452	# and global variables created in xs	3744	# and global variables created in xs
2453	#Symbol::delete_package __PACKAGE__;	3745	#clear_package __PACKAGE__;
2454		3746
2455	warn "unload completed, starting to reload now";	3747	warn "unload completed, starting to reload now";
2456		3748
2457	warn "reloading cf.pm";	3749	warn "reloading cf.pm";
2458	require cf;	3750	require cf;
2459	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3751	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2460		3752
2461	warn "loading config and database again";	3753	warn "loading config and database again";
2462	cf::cfg_load;	3754	cf::reload_config;
2463		3755
2464	warn "loading extensions";	3756	warn "loading extensions";
2465	cf::load_extensions;	3757	cf::load_extensions;
2466		3758
		3759	if ($REATTACH_ON_RELOAD) {
2467	warn "reattaching attachments to objects/players";	3760	warn "reattaching attachments to objects/players";
2468	_global_reattach;	3761	_global_reattach; # objects, sockets
2469	warn "reattaching attachments to maps";	3762	warn "reattaching attachments to maps";
2470	reattach $_ for values %MAP;	3763	reattach $_ for values %MAP;
		3764	warn "reattaching attachments to players";
		3765	reattach $_ for values %PLAYER;
		3766	}
2471		3767
2472	warn "loading reloadable resources";	3768	warn "running post_init jobs";
2473	load_resources;	3769	(pop @POST_INIT)->(1) while @POST_INIT;
2474		3770
2475	warn "restarting server ticker";	3771	warn "leaving sync_job";
2476		3772
2477	$TICK_WATCHER->start;	3773	1
		3774	} or do {
		3775	warn $@;
		3776	cf::cleanup "error while reloading, exiting.";
		3777	};
		3778
		3779	warn "reloaded";
		3780	--$RELOAD;
		3781	}
		3782
		3783	$t1 = EV::time - $t1;
		3784	warn "reload completed in ${t1}s\n";
		3785	};
		3786
		3787	our $RELOAD_WATCHER; # used only during reload
		3788
		3789	sub reload_perl() {
		3790	# doing reload synchronously and two reloads happen back-to-back,
		3791	# coro crashes during coro_state_free->destroy here.
		3792
		3793	$RELOAD_WATCHER ||= cf::async {
		3794	Coro::AIO::aio_wait cache_extensions;
		3795
		3796	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3797	do_reload_perl;
		3798	undef $RELOAD_WATCHER;
		3799	};
2478	};	3800	};
2479		3801	}
2480	if ($@) {
2481	warn $@;
2482	warn "error while reloading, exiting.";
2483	exit 1;
2484	}
2485
2486	warn "reloaded";
2487	};
2488
2489	our $RELOAD_WATCHER; # used only during reload
2490		3802
2491	register_command "reload" => sub {	3803	register_command "reload" => sub {
2492	my ($who, $arg) = @_;	3804	my ($who, $arg) = @_;
2493		3805
2494	if ($who->flag (FLAG_WIZ)) {	3806	if ($who->flag (FLAG_WIZ)) {
2495	$who->message ("reloading server.");	3807	$who->message ("reloading server.");
2496		3808	async {
2497	# doing reload synchronously and two reloads happen back-to-back,	3809	$Coro::current->{desc} = "perl_reload";
2498	# coro crashes during coro_state_free->destroy here.
2499
2500	$RELOAD_WATCHER ||= Event->timer (
2501	reentrant => 0,
2502	after => 0,
2503	data => WF_AUTOCANCEL,
2504	cb => sub {
2505	reload;	3810	reload_perl;
2506	undef $RELOAD_WATCHER;
2507	},
2508	);	3811	};
2509	}	3812	}
2510	};	3813	};
2511		3814
2512	unshift @INC, $LIBDIR;	3815	unshift @INC, $LIBDIR;
2513		3816
2514	my $bug_warning = 0;	3817	my $bug_warning = 0;
2515		3818
2516	$TICK_WATCHER = Event->timer (	3819	our @WAIT_FOR_TICK;
2517	reentrant => 0,	3820	our @WAIT_FOR_TICK_BEGIN;
2518	parked => 1,	3821
2519	prio => 0,	3822	sub wait_for_tick {
2520	at => $NEXT_TICK || $TICK,	3823	return if tick_inhibit || $Coro::current == $Coro::main;
2521	data => WF_AUTOCANCEL,	3824
2522	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 {
2523	if ($Coro::current != $Coro::main) {	3839	if ($Coro::current != $Coro::main) {
2524	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"
2525	unless ++$bug_warning > 10;	3841	unless ++$bug_warning > 10;
2526	return;	3842	return;
2527	}	3843	}
2528		3844
2529	$NOW = Event::time;
2530
2531	cf::server_tick; # one server iteration	3845	cf::server_tick; # one server iteration
2532	$RUNTIME += $TICK;
2533	$NEXT_TICK += $TICK;
2534		3846
2535	$WAIT_FOR_TICK->broadcast;	3847	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2536	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3848	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		3849	Coro::async_pool {
		3850	$Coro::current->{desc} = "runtime saver";
		3851	write_runtime_sync
		3852	or warn "ERROR: unable to write runtime file: $!";
		3853	};
		3854	}
2537		3855
2538	Event::sweep;	3856	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2539	Coro::cede_notself;	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#
2540		3871	}
2541	# my $AFTER = Event::time;
2542	# warn $AFTER - $NOW;#d#
2543
2544	# if we are delayed by four ticks or more, skip them all
2545	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2546
2547	$TICK_WATCHER->at ($NEXT_TICK);
2548	$TICK_WATCHER->start;
2549	},	3872	}
2550	);	3873	}
2551		3874
2552	{	3875	{
2553	BDB::max_poll_time $TICK * 0.1;	3876	# configure BDB
2554	$BDB_POLL_WATCHER = Event->io (	3877
2555	reentrant => 0,
2556	fd => BDB::poll_fileno,
2557	poll => 'r',
2558	prio => 0,
2559	data => WF_AUTOCANCEL,
2560	cb => \&BDB::poll_cb,
2561	);
2562	BDB::min_parallel 8;	3878	BDB::min_parallel 8;
2563		3879	BDB::max_poll_reqs $TICK * 0.1;
2564	BDB::set_sync_prepare {	3880	$AnyEvent::BDB::WATCHER->priority (1);
2565	my $status;
2566	my $current = $Coro::current;
2567	(
2568	sub {
2569	$status = $!;
2570	$current->ready; undef $current;
2571	},
2572	sub {
2573	Coro::schedule while defined $current;
2574	$! = $status;
2575	},
2576	)
2577	};
2578		3881
2579	unless ($DB_ENV) {	3882	unless ($DB_ENV) {
2580	$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);
2581		3889
2582	cf::sync_job {	3890	cf::sync_job {
2583	eval {	3891	eval {
2584	BDB::db_env_open	3892	BDB::db_env_open
2585	$DB_ENV,	3893	$DB_ENV,
2586	$BDB_ENV_DIR,	3894	$BDBDIR,
2587	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
2588	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3896	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2589	0666;	3897	0666;
2590		3898
2591	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3899	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2592
2593	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2594	$DB_ENV->set_lk_detect;
2595	};	3900	};
2596		3901
2597	cf::cleanup "db_env_open(db): $@" if $@;	3902	cf::cleanup "db_env_open(db): $@" if $@;
2598	};	3903	};
2599	}	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	};
2600	}	3915	}
2601		3916
2602	{	3917	{
		3918	# configure IO::AIO
		3919
2603	IO::AIO::min_parallel 8;	3920	IO::AIO::min_parallel 8;
2604
2605	undef $Coro::AIO::WATCHER;
2606	IO::AIO::max_poll_time $TICK * 0.1;	3921	IO::AIO::max_poll_time $TICK * 0.1;
2607	$AIO_POLL_WATCHER = Event->io (	3922	undef $AnyEvent::AIO::WATCHER;
2608	reentrant => 0,
2609	fd => IO::AIO::poll_fileno,
2610	poll => 'r',
2611	prio => 6,
2612	data => WF_AUTOCANCEL,
2613	cb => \&IO::AIO::poll_cb,
2614	);
2615	}	3923	}
2616		3924
2617	$WRITE_RUNTIME_WATCHER = Event->timer (	3925	my $_log_backtrace;
2618	reentrant => 0,	3926
2619	data => WF_AUTOCANCEL,	3927	sub _log_backtrace {
2620	after => 1,	3928	my ($msg, @addr) = @_;
2621	interval => 10,	3929
2622	prio => 6, # keep it lowest so it acts like a watchdog	3930	$msg =~ s/\n//;
2623	cb => Coro::unblock_sub {	3931
2624	write_runtime	3932	# limit the # of concurrent backtraces
2625	or warn "ERROR: unable to write runtime file: $!";	3933	if ($_log_backtrace < 2) {
		3934	++$_log_backtrace;
		3935	my $perl_bt = Carp::longmess $msg;
		3936	async {
		3937	$Coro::current->{desc} = "abt $msg";
		3938
		3939	my @bt = fork_call {
		3940	@addr = map { sprintf "%x", $_ } @addr;
		3941	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3942	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3943	or die "addr2line: $!";
		3944
		3945	my @funcs;
		3946	my @res = <$fh>;
		3947	chomp for @res;
		3948	while (@res) {
		3949	my ($func, $line) = splice @res, 0, 2, ();
		3950	push @funcs, "[$func] $line";
		3951	}
		3952
		3953	@funcs
		3954	};
		3955
		3956	LOG llevInfo, "[ABT] $perl_bt\n";
		3957	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3958	LOG llevInfo, "[ABT] $_\n" for @bt;
		3959	--$_log_backtrace;
		3960	};
		3961	} else {
		3962	LOG llevInfo, "[ABT] $msg\n";
		3963	LOG llevInfo, "[ABT] [suppressed]\n";
2626	},	3964	}
2627	);	3965	}
		3966
		3967	# load additional modules
		3968	use cf::pod;
2628		3969
2629	END { cf::emergency_save }	3970	END { cf::emergency_save }
2630		3971
2631	1	3972	1
2632		3973

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines