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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.182 by root, Fri Jan 19 15:38:01 2007 UTC vs.
Revision 1.457 by root, Wed Oct 1 05:50:19 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
		31	use EV;
9	use Opcode;	32	use Opcode;
10	use Safe;	33	use Safe;
11	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
12		36
13	use Coro 3.4 ();	37	use Coro ();
		38	use Coro::State;
		39	use Coro::Handle;
		40	use Coro::EV;
14	use Coro::Event;	41	use Coro::AnyEvent;
15	use Coro::Timer;	42	use Coro::Timer;
16	use Coro::Signal;	43	use Coro::Signal;
17	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
18	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
		48	use Coro::Storable;
		49	use Coro::Util ();
19		50
		51	use JSON::XS 2.01 ();
		52	use BDB ();
20	use Data::Dumper;	53	use Data::Dumper;
21	use Digest::MD5;	54	use Digest::MD5;
22	use Fcntl;	55	use Fcntl;
		56	use YAML ();
23	use IO::AIO 2.32 ();	57	use IO::AIO ();
24	use YAML::Syck ();
25	use Time::HiRes;	58	use Time::HiRes;
		59	use Compress::LZF;
		60	use Digest::MD5 ();
26		61
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	62	AnyEvent::detect;
		63
		64	# configure various modules to our taste
		65	#
		66	$Storable::canonical = 1; # reduce rsync transfers
		67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		68
		69	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		70
		71	# make sure c-lzf reinitialises itself
		72	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		73	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
28		74
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		76
36	our %COMMAND = ();	77	our %COMMAND = ();
37	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
38		79
39	our @EXTS = (); # list of extension package names	80	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	81	our %EXTCMD = ();
		82	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	83	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	84	our %EXT_MAP = (); # pluggable maps
43		85
		86	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	87	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		88
47	our $TICK = MAX_TIME * 1e-6;	89	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	90	our $DATADIR = datadir;
49	our $AIO_POLL_WATCHER;	91	our $LIBDIR = "$DATADIR/ext";
50	our $WRITE_RUNTIME_WATCHER;	92	our $PODDIR = "$DATADIR/pod";
		93	our $MAPDIR = "$DATADIR/" . mapdir;
		94	our $LOCALDIR = localdir;
		95	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		96	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		97	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		98	our $RANDOMDIR = "$LOCALDIR/random";
		99	our $BDBDIR = "$LOCALDIR/db";
		100	our $PIDFILE = "$LOCALDIR/pid";
		101	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		102
		103	our %RESOURCE;
		104
		105	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	107	our $NEXT_TICK;
52	our $NOW;	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
		109
		110	our $BDB_DEADLOCK_WATCHER;
		111	our $BDB_CHECKPOINT_WATCHER;
		112	our $BDB_TRICKLE_WATCHER;
		113	our $DB_ENV;
53		114
54	our %CFG;	115	our %CFG;
55		116
56	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
58		120
59	our %PLAYER; # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	123	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		124
67	# used to convert map paths into valid unix filenames by replacing / by ∕	125	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		127
		128	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		129	our $LOADAVG; # same thing, but with alpha-smoothing
		130	our $JITTER; # average jitter
		131	our $TICK_START; # for load detecting purposes
		132
		133	our @POST_INIT;
		134
		135	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
		136
70	binmode STDOUT;	137	binmode STDOUT;
71	binmode STDERR;	138	binmode STDERR;
72		139
73	# read virtual server time, if available	140	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	141	unless ($RUNTIME || !-e $RUNTIMEFILE) {
75	open my $fh, "<", cf::localdir . "/runtime"	142	open my $fh, "<", $RUNTIMEFILE
76	or die "unable to read runtime file: $!";	143	or die "unable to read $RUNTIMEFILE file: $!";
77	$RUNTIME = <$fh> + 0.;	144	$RUNTIME = <$fh> + 0.;
78	}	145	}
79		146
80	mkdir cf::localdir;	147	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	148	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		149
86	our $EMERGENCY_POSITION;	150	our $EMERGENCY_POSITION;
		151
		152	sub cf::map::normalise;
87		153
88	#############################################################################	154	#############################################################################
89		155
90	=head2 GLOBAL VARIABLES	156	=head2 GLOBAL VARIABLES
91		157
…		…
98	=item $cf::RUNTIME	164	=item $cf::RUNTIME
99		165
100	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
101	every server tick.	167	every server tick.
102		168
103	=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
104		172
105	The perl library directory, where extensions and cf-specific modules can	173	Various directories - "/etc", read-only install directory, perl-library
106	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.
107		177
108	=item $cf::NOW	178	=item $cf::NOW
109		179
110	The time of the last (current) server tick.	180	The time of the last (current) server tick.
111		181
112	=item $cf::TICK	182	=item $cf::TICK
113		183
114	The interval between server ticks, in seconds.	184	The interval between server ticks, in seconds.
115		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
116	=item %cf::CFG	196	=item %cf::CFG
117		197
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	198	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119	from wherever your confdir points to.	199	from wherever your confdir points to.
120		200
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	201	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		202
123	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
124	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
125	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.
126	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.
127		212
128	=back	213	=back
129		214
130	=cut	215	=cut
131		216
132	BEGIN {	217	BEGIN {
133	*CORE::GLOBAL::warn = sub {	218	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	219	my $msg = join "", @_;
135	utf8::encode $msg;
136		220
137	$msg .= "\n"	221	$msg .= "\n"
138	unless $msg =~ /\n$/;	222	unless $msg =~ /\n$/;
139		223
		224	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		225
140	LOG llevError, $msg;	226	LOG llevError, $msg;
141	};	227	};
142	}	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#?
143		244
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	245	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	246	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	247	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	248	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@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';
149	@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)
150		252
151	# 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
152	# within the Safe compartment.	254	# within the Safe compartment.
153	for my $pkg (qw(	255	for my $pkg (qw(
154	cf::global cf::attachable	256	cf::global cf::attachable
155	cf::object cf::object::player	257	cf::object cf::object::player
156	cf::client cf::player	258	cf::client cf::player
157	cf::arch cf::living	259	cf::arch cf::living
		260	cf::map cf::mapspace
158	cf::map cf::party cf::region	261	cf::party cf::region
159	)) {	262	)) {
160	no strict 'refs';
161	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	263	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162	}	264	}
163		265
164	$Event::DIED = sub {	266	$EV::DIED = sub {
165	warn "error in event callback: @_";	267	warn "error in event callback: @_";
166	};	268	};
		269
		270	#############################################################################
167		271
168	=head2 UTILITY FUNCTIONS	272	=head2 UTILITY FUNCTIONS
169		273
170	=over 4	274	=over 4
171		275
…		…
190	$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;
191	$d	295	$d
192	} || "[unable to dump $_[0]: '$@']";	296	} || "[unable to dump $_[0]: '$@']";
193	}	297	}
194		298
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	299	=item $ref = cf::decode_json $json
198		300
199	Converts a JSON string into the corresponding perl data structure.	301	Converts a JSON string into the corresponding perl data structure.
200		302
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	303	=item $json = cf::encode_json $ref
209		304
210	Converts a perl data structure into its JSON representation.	305	Converts a perl data structure into its JSON representation.
211		306
212	=cut	307	=cut
213		308
214	sub to_json($) {	309	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	310
216	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;
217	}	326	}
218		327
219	=item cf::lock_wait $string	328	=item cf::lock_wait $string
220		329
221	Wait until the given lock is available. See cf::lock_acquire.	330	Wait until the given lock is available. See cf::lock_acquire.
…		…
225	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
226	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,
227	for example when the coroutine gets canceled), the lock is automatically	336	for example when the coroutine gets canceled), the lock is automatically
228	returned.	337	returned.
229		338
		339	Locks are *not* recursive, locking from the same coro twice results in a
		340	deadlocked coro.
		341
230	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
231	uses map_find and cf::map::load uses map_load).	343	uses map_find and cf::map::load uses map_load).
232		344
		345	=item $locked = cf::lock_active $string
		346
		347	Return true if the lock is currently active, i.e. somebody has locked it.
		348
233	=cut	349	=cut
234		350
235	our %LOCK;	351	our %LOCK;
		352	our %LOCKER;#d#
236		353
237	sub lock_wait($) {	354	sub lock_wait($) {
238	my ($key) = @_;	355	my ($key) = @_;
239		356
		357	if ($LOCKER{$key} == $Coro::current) {#d#
		358	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		359	return;#d#
		360	}#d#
		361
240	# wait for lock, if any	362	# wait for lock, if any
241	while ($LOCK{$key}) {	363	while ($LOCK{$key}) {
		364	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
242	push @{ $LOCK{$key} }, $Coro::current;	365	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;	366	Coro::schedule;
244	}	367	}
245	}	368	}
246		369
…		…
249		372
250	# wait, to be sure we are not locked	373	# wait, to be sure we are not locked
251	lock_wait $key;	374	lock_wait $key;
252		375
253	$LOCK{$key} = [];	376	$LOCK{$key} = [];
		377	$LOCKER{$key} = $Coro::current;#d#
254		378
255	Coro::guard {	379	Coro::guard {
		380	delete $LOCKER{$key};#d#
256	# wake up all waiters, to be on the safe side	381	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	382	$_->ready for @{ delete $LOCK{$key} };
258	}	383	}
259	}	384	}
260		385
		386	sub lock_active($) {
		387	my ($key) = @_;
		388
		389	! ! $LOCK{$key}
		390	}
		391
261	sub freeze_mainloop {	392	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	393	tick_inhibit_inc;
263		394
264	my $guard = Coro::guard {	395	Coro::guard \&tick_inhibit_dec;
265	$TICK_WATCHER->start;	396	}
266	$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($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
		411	}
		412
		413	=item cf::get_slot $time[, $priority[, $name]]
		414
		415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		416	This call blocks and returns only when you have at least C<$time> seconds
		417	of cpu time till the next tick. The slot is only valid till the next cede.
		418
		419	The optional C<$name> can be used to identify the job to run. It might be
		420	used for statistical purposes and should identify the same time-class.
		421
		422	Useful for short background jobs.
		423
		424	=cut
		425
		426	our @SLOT_QUEUE;
		427	our $SLOT_QUEUE;
		428
		429	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		430	$SLOT_QUEUE = Coro::async {
		431	$Coro::current->desc ("timeslot manager");
		432
		433	my $signal = new Coro::Signal;
		434
		435	while () {
		436	next_job:
		437	my $avail = cf::till_tick;
		438	if ($avail > 0.01) {
		439	for (0 .. $#SLOT_QUEUE) {
		440	if ($SLOT_QUEUE[$_][0] < $avail) {
		441	my $job = splice @SLOT_QUEUE, $_, 1, ();
		442	$job->[2]->send;
		443	Coro::cede;
		444	goto next_job;
		445	}
		446	}
		447	}
		448
		449	if (@SLOT_QUEUE) {
		450	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		451	push @cf::WAIT_FOR_TICK, $signal;
		452	$signal->wait;
		453	} else {
		454	Coro::schedule;
		455	}
267	};	456	}
268	$WRITE_RUNTIME_WATCHER->stop;	457	};
269	$TICK_WATCHER->stop;	458
270	$guard	459	sub get_slot($;$$) {
		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	$sig->wait;
271	}	471	}
272		472
273	=item cf::async { BLOCK }	473	=item cf::async { BLOCK }
274		474
275	Currently the same as Coro::async_pool, meaning you cannot use	475	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		480
281	BEGIN { *async = \&Coro::async_pool }	481	BEGIN { *async = \&Coro::async_pool }
282		482
283	=item cf::sync_job { BLOCK }	483	=item cf::sync_job { BLOCK }
284		484
285	The design of crossfire+ requires that the main coro ($Coro::main) is	485	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	486	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	487	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		488	acceptable.
288		489
289	If it must be done, put the blocking parts into C<sync_job>. This will run	490	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	491	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	492	server will be frozen during this time, so the block should either finish
292	fast or be very important.	493	fast or be very important.
…		…
295		496
296	sub sync_job(&) {	497	sub sync_job(&) {
297	my ($job) = @_;	498	my ($job) = @_;
298		499
299	if ($Coro::current == $Coro::main) {	500	if ($Coro::current == $Coro::main) {
		501	my $time = EV::time;
		502
300	# this is the main coro, too bad, we have to block	503	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	504	# till the operation succeeds, freezing the server :/
302		505
303	# TODO: use suspend/resume instead	506	LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	507
305	my $freeze_guard = freeze_mainloop;	508	my $freeze_guard = freeze_mainloop;
306		509
307	my $busy = 1;	510	my $busy = 1;
308	my @res;	511	my @res;
309		512
310	(async {	513	(async {
		514	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	515	@res = eval { $job->() };
312	warn $@ if $@;	516	warn $@ if $@;
313	undef $busy;	517	undef $busy;
314	})->prio (Coro::PRIO_MAX);	518	})->prio (Coro::PRIO_MAX);
315		519
316	while ($busy) {	520	while ($busy) {
317	Coro::cede or Event::one_event;	521	if (Coro::nready) {
		522	Coro::cede_notself;
		523	} else {
		524	EV::loop EV::LOOP_ONESHOT;
318	}	525	}
		526	}
		527
		528	my $time = EV::time - $time;
		529
		530	$TICK_START += $time; # do not account sync jobs to server load
319		531
320	wantarray ? @res : $res[0]	532	wantarray ? @res : $res[0]
321	} else {	533	} else {
322	# we are in another coroutine, how wonderful, everything just works	534	# we are in another coroutine, how wonderful, everything just works
323		535
…		…
343	$EXT_CORO{$coro+0} = $coro;	555	$EXT_CORO{$coro+0} = $coro;
344		556
345	$coro	557	$coro
346	}	558	}
347		559
348	sub write_runtime {	560	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		561
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	562	Executes the given code block with the given arguments in a seperate
352	or return;	563	process, returning the results. Everything must be serialisable with
		564	Coro::Storable. May, of course, block. Note that the executed sub may
		565	never block itself or use any form of event handling.
353		566
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	567	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		568
358	aio_fsync $fh	569	sub fork_call(&@) {
359	and return;	570	my ($cb, @args) = @_;
360		571
361	close $fh	572	# we seemingly have to make a local copy of the whole thing,
362	or return;	573	# otherwise perl prematurely frees the stuff :/
		574	# TODO: investigate and fix (likely this will be rather laborious)
363		575
364	aio_rename "$runtime~", $runtime	576	my @res = Coro::Util::fork_eval {
365	and return;	577	reset_signals;
		578	&$cb
		579	}, @args;
366		580
		581	wantarray ? @res : $res[-1]
		582	}
		583
		584	=item $coin = coin_from_name $name
		585
		586	=cut
		587
		588	our %coin_alias = (
		589	"silver" => "silvercoin",
		590	"silvercoin" => "silvercoin",
		591	"silvercoins" => "silvercoin",
		592	"gold" => "goldcoin",
		593	"goldcoin" => "goldcoin",
		594	"goldcoins" => "goldcoin",
		595	"platinum" => "platinacoin",
		596	"platinumcoin" => "platinacoin",
		597	"platinumcoins" => "platinacoin",
		598	"platina" => "platinacoin",
		599	"platinacoin" => "platinacoin",
		600	"platinacoins" => "platinacoin",
		601	"royalty" => "royalty",
		602	"royalties" => "royalty",
		603	);
		604
		605	sub coin_from_name($) {
		606	$coin_alias{$_[0]}
		607	? cf::arch::find $coin_alias{$_[0]}
		608	: undef
		609	}
		610
		611	=item $value = cf::db_get $family => $key
		612
		613	Returns a single value from the environment database.
		614
		615	=item cf::db_put $family => $key => $value
		616
		617	Stores the given C<$value> in the family. It can currently store binary
		618	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		619
		620	=item $db = cf::db_table "name"
		621
		622	Create and/or open a new database table. The string must not be "db" and must be unique
		623	within each server.
		624
		625	=cut
		626
		627	sub db_table($) {
		628	my ($name) = @_;
		629	my $db = BDB::db_create $DB_ENV;
		630
		631	eval {
		632	$db->set_flags (BDB::CHKSUM);
		633
		634	utf8::encode $name;
		635	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		636	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		637	cf::cleanup "db_open(db): $!" if $!;
		638	};
		639	cf::cleanup "db_open(db): $@" if $@;
		640
		641	$db
		642	}
		643
		644	our $DB;
		645
		646	sub db_init {
		647	cf::sync_job {
		648	$DB ||= db_table "db";
		649	};
		650	}
		651
		652	sub db_get($$) {
		653	my $key = "$_[0]/$_[1]";
		654
		655	cf::sync_job {
		656	BDB::db_get $DB, undef, $key, my $data;
		657
		658	$! ? ()
		659	: $data
367	1	660	}
		661	}
		662
		663	sub db_put($$$) {
		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 });
368	}	747	}
369		748
370	=back	749	=back
371		750
372	=cut	751	=cut
373		752
374	#############################################################################	753	#############################################################################
375		754
376	=head2 ATTACHABLE OBJECTS	755	=head2 ATTACHABLE OBJECTS
377		756
378	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
379	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")
380	to it. All such attachable objects support the following methods.	759	to it. All such attachable objects support the following methods.
381		760
382	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>
383	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
384	crossfire+).	763	Deliantra).
385		764
386	=over 4	765	=over 4
387		766
388	=item $attachable->attach ($attachment, key => $value...)	767	=item $attachable->attach ($attachment, key => $value...)
389		768
…		…
433	=item cf::CLASS::attachment $name, ...	812	=item cf::CLASS::attachment $name, ...
434		813
435	Register an attachment by C<$name> through which attachable objects of the	814	Register an attachment by C<$name> through which attachable objects of the
436	given CLASS can refer to this attachment.	815	given CLASS can refer to this attachment.
437		816
438	Some classes such as crossfire maps and objects can specify attachments	817	Some classes such as deliantra maps and objects can specify attachments
439	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.
440		819
441	These calls expect any number of the following handler/hook descriptions:	820	These calls expect any number of the following handler/hook descriptions:
442		821
443	=over 4	822	=over 4
…		…
552	$registry = $CB_TYPE[$object_type] ||= [];	931	$registry = $CB_TYPE[$object_type] ||= [];
553		932
554	} elsif ($type eq "subtype") {	933	} elsif ($type eq "subtype") {
555	defined $object_type or Carp::croak "subtype specified without type";	934	defined $object_type or Carp::croak "subtype specified without type";
556	my $object_subtype = shift @arg;	935	my $object_subtype = shift @arg;
557	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	936	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
558		937
559	} elsif ($type eq "package") {	938	} elsif ($type eq "package") {
560	my $pkg = shift @arg;	939	my $pkg = shift @arg;
561		940
562	while (my ($name, $id) = each %cb_id) {	941	while (my ($name, $id) = each %cb_id) {
…		…
591	_attach $registry, $klass, @attach;	970	_attach $registry, $klass, @attach;
592	}	971	}
593		972
594	$obj->{$name} = \%arg;	973	$obj->{$name} = \%arg;
595	} else {	974	} else {
596	warn "object uses attachment '$name' that is not available, postponing.\n";	975	warn "object uses attachment '$name' which is not available, postponing.\n";
597	}	976	}
598		977
599	$obj->{_attachment}{$name} = undef;	978	$obj->{_attachment}{$name} = undef;
600	}	979	}
601		980
…		…
603	if (ref $_[0]) {	982	if (ref $_[0]) {
604	_object_attach @_;	983	_object_attach @_;
605	} else {	984	} else {
606	_attach shift->_attach_registry, @_;	985	_attach shift->_attach_registry, @_;
607	}	986	}
		987	_recalc_want;
608	};	988	};
609		989
610	# all those should be optimised	990	# all those should be optimised
611	sub cf::attachable::detach {	991	sub cf::attachable::detach {
612	my ($obj, $name) = @_;	992	my ($obj, $name) = @_;
…		…
615	delete $obj->{_attachment}{$name};	995	delete $obj->{_attachment}{$name};
616	reattach ($obj);	996	reattach ($obj);
617	} else {	997	} else {
618	Carp::croak "cannot, currently, detach class attachments";	998	Carp::croak "cannot, currently, detach class attachments";
619	}	999	}
		1000	_recalc_want;
620	};	1001	};
621		1002
622	sub cf::attachable::attached {	1003	sub cf::attachable::attached {
623	my ($obj, $name) = @_;	1004	my ($obj, $name) = @_;
624		1005
…		…
639	";	1020	";
640	die if $@;	1021	die if $@;
641	}	1022	}
642		1023
643	our $override;	1024	our $override;
644	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?
645		1026
646	sub override {	1027	sub override {
647	$override = 1;	1028	$override = 1;
648	@invoke_results = ();	1029	@INVOKE_RESULTS = (@_);
649	}	1030	}
650		1031
651	sub do_invoke {	1032	sub do_invoke {
652	my $event = shift;	1033	my $event = shift;
653	my $callbacks = shift;	1034	my $callbacks = shift;
654		1035
655	@invoke_results = ();	1036	@INVOKE_RESULTS = ();
656		1037
657	local $override;	1038	local $override;
658		1039
659	for (@$callbacks) {	1040	for (@$callbacks) {
660	eval { &{$_->[1]} };	1041	eval { &{$_->[1]} };
…		…
669	}	1050	}
670		1051
671	0	1052	0
672	}	1053	}
673		1054
674	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
675		1056
676	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1057	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
677		1058
678	Generate an object-specific event with the given arguments.	1059	Generate an object-specific event with the given arguments.
679		1060
680	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
681	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
682	results (if you must, access C<@cf::invoke_results> directly).	1063	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
683		1064
684	=back	1065	=back
685		1066
686	=cut	1067	=cut
687		1068
688	#############################################################################	1069	#############################################################################
689	# 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, $ob2
		1112	}
690		1113
691	sub reattach {	1114	sub reattach {
692	# basically do the same as instantiate, without calling instantiate	1115	# basically do the same as instantiate, without calling instantiate
693	my ($obj) = @_;	1116	my ($obj) = @_;
694		1117
		1118	# no longer needed after getting rid of delete_package?
695	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
696		1120
697	my $registry = $obj->registry;	1121	my $registry = $obj->registry;
698		1122
699	@$registry = ();	1123	@$registry = ();
700		1124
…		…
715	cf::attachable->attach (	1139	cf::attachable->attach (
716	prio => -1000000,	1140	prio => -1000000,
717	on_instantiate => sub {	1141	on_instantiate => sub {
718	my ($obj, $data) = @_;	1142	my ($obj, $data) = @_;
719		1143
720	$data = from_json $data;	1144	$data = decode_json $data;
721		1145
722	for (@$data) {	1146	for (@$data) {
723	my ($name, $args) = @$_;	1147	my ($name, $args) = @$_;
724		1148
725	$obj->attach ($name, %{$args || {} });	1149	$obj->attach ($name, %{$args || {} });
…		…
741	sub object_freezer_save {	1165	sub object_freezer_save {
742	my ($filename, $rdata, $objs) = @_;	1166	my ($filename, $rdata, $objs) = @_;
743		1167
744	sync_job {	1168	sync_job {
745	if (length $$rdata) {	1169	if (length $$rdata) {
		1170	utf8::decode (my $decname = $filename);
746	warn sprintf "saving %s (%d,%d)\n",	1171	warn sprintf "saving %s (%d,%d)\n",
747	$filename, length $$rdata, scalar @$objs;	1172	$decname, length $$rdata, scalar @$objs;
748		1173
749	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1174	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
750	chmod SAVE_MODE, $fh;	1175	aio_chmod $fh, SAVE_MODE;
751	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1176	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
752	aio_fsync $fh;	1177	aio_fsync $fh if $cf::USE_FSYNC;
753	close $fh;	1178	aio_close $fh;
754		1179
755	if (@$objs) {	1180	if (@$objs) {
756	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) {
757	chmod SAVE_MODE, $fh;	1182	aio_chmod $fh, SAVE_MODE;
758	my $data = Storable::nfreeze { version => 1, objs => $objs };	1183	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
759	aio_write $fh, 0, (length $data), $data, 0;	1184	aio_write $fh, 0, (length $data), $data, 0;
760	aio_fsync $fh;	1185	aio_fsync $fh if $cf::USE_FSYNC;
761	close $fh;	1186	aio_close $fh;
762	aio_rename "$filename.pst~", "$filename.pst";	1187	aio_rename "$filename.pst~", "$filename.pst";
763	}	1188	}
764	} else {	1189	} else {
765	aio_unlink "$filename.pst";	1190	aio_unlink "$filename.pst";
766	}	1191	}
767		1192
768	aio_rename "$filename~", $filename;	1193	aio_rename "$filename~", $filename;
		1194
		1195	$filename =~ s%/[^/]+$%%;
		1196	aio_pathsync $filename if $cf::USE_FSYNC;
769	} else {	1197	} else {
770	warn "FATAL: $filename~: $!\n";	1198	warn "FATAL: $filename~: $!\n";
771	}	1199	}
772	} else {	1200	} else {
773	aio_unlink $filename;	1201	aio_unlink $filename;
774	aio_unlink "$filename.pst";	1202	aio_unlink "$filename.pst";
775	}	1203	}
776	}	1204	};
777	}	1205	}
778		1206
779	sub object_freezer_as_string {	1207	sub object_freezer_as_string {
780	my ($rdata, $objs) = @_;	1208	my ($rdata, $objs) = @_;
781		1209
…		…
793	or return;	1221	or return;
794		1222
795	unless (aio_stat "$filename.pst") {	1223	unless (aio_stat "$filename.pst") {
796	(aio_load "$filename.pst", $av) >= 0	1224	(aio_load "$filename.pst", $av) >= 0
797	or return;	1225	or return;
		1226
798	$av = eval { (Storable::thaw $av)->{objs} };	1227	my $st = eval { Coro::Storable::thaw $av };
		1228	$av = $st->{objs};
799	}	1229	}
800		1230
		1231	utf8::decode (my $decname = $filename);
801	warn sprintf "loading %s (%d)\n",	1232	warn sprintf "loading %s (%d,%d)\n",
802	$filename, length $data, scalar @{$av || []};#d#	1233	$decname, length $data, scalar @{$av || []};
		1234
803	return ($data, $av);	1235	($data, $av)
804	}	1236	}
		1237
		1238	=head2 COMMAND CALLBACKS
		1239
		1240	=over 4
		1241
		1242	=cut
805		1243
806	#############################################################################	1244	#############################################################################
807	# command handling &c	1245	# command handling &c
808		1246
809	=item cf::register_command $name => \&callback($ob,$args);	1247	=item cf::register_command $name => \&callback($ob,$args);
…		…
822	push @{ $COMMAND{$name} }, [$caller, $cb];	1260	push @{ $COMMAND{$name} }, [$caller, $cb];
823	}	1261	}
824		1262
825	=item cf::register_extcmd $name => \&callback($pl,$packet);	1263	=item cf::register_extcmd $name => \&callback($pl,$packet);
826		1264
827	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.
828		1270
829	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
830	called.	1272	called.
831		1273
		1274	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1275
		1276	Register a callback for execution when the client sends an (asynchronous)
		1277	exticmd packet. Exti commands are processed by the server as soon as they
		1278	are received, i.e. out of order w.r.t. other commands. The first argument
		1279	is a client socket. Exti commands can be received anytime, even before
		1280	log-in.
		1281
		1282	If the callback returns something, it is sent back as if reply was being
		1283	called.
		1284
832	=cut	1285	=cut
833		1286
834	sub register_extcmd {	1287	sub register_extcmd {
835	my ($name, $cb) = @_;	1288	my ($name, $cb) = @_;
836		1289
837	$EXTCMD{$name} = $cb;	1290	$EXTCMD{$name} = $cb;
838	}	1291	}
		1292
		1293	sub register_exticmd {
		1294	my ($name, $cb) = @_;
		1295
		1296	$EXTICMD{$name} = $cb;
		1297	}
		1298
		1299	use File::Glob ();
839		1300
840	cf::player->attach (	1301	cf::player->attach (
841	on_command => sub {	1302	on_command => sub {
842	my ($pl, $name, $params) = @_;	1303	my ($pl, $name, $params) = @_;
843		1304
…		…
851	cf::override;	1312	cf::override;
852	},	1313	},
853	on_extcmd => sub {	1314	on_extcmd => sub {
854	my ($pl, $buf) = @_;	1315	my ($pl, $buf) = @_;
855		1316
856	my $msg = eval { from_json $buf };	1317	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
857		1318
858	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
859	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1327	if (my $cb = $EXTCMD{$type}) {
860	if (my %reply = $cb->($pl, $msg)) {	1328	@reply = $cb->($pl, @payload);
861	$pl->ext_reply ($msg->{msgid}, %reply);
862	}
863	}	1329	}
		1330
		1331	$pl->ext_reply ($reply, @reply)
		1332	if $reply;
		1333
864	} else {	1334	} else {
865	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1335	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
866	}	1336	}
867		1337
868	cf::override;	1338	cf::override;
869	},	1339	},
870	);	1340	);
871		1341
		1342	# "readahead" all extensions
872	sub load_extension {	1343	sub cache_extensions {
873	my ($path) = @_;	1344	my $grp = IO::AIO::aio_group;
874		1345
875	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1346	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
876	my $base = $1;	1347	for (grep /\.ext$/, @{$_[0]}) {
877	my $pkg = $1;	1348	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
878	$pkg =~ s/[^[:word:]]/_/g;
879	$pkg = "ext::$pkg";
880
881	warn "... loading '$path' into '$pkg'\n";
882
883	open my $fh, "<:utf8", $path
884	or die "$path: $!";
885
886	my $source =
887	"package $pkg; use strict; use utf8;\n"
888	. "#line 1 \"$path\"\n{\n"
889	. (do { local $/; <$fh> })
890	. "\n};\n1";
891
892	unless (eval $source) {
893	my $msg = $@ ? "$path: $@\n"
894	: "extension disabled.\n";
895	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
896	warn $@;
897	warn "mandatory extension failed to load, exiting.\n";
898	exit 1;
899	}	1349	}
900	die $@;
901	}	1350	};
902		1351
903	push @EXTS, $pkg;	1352	$grp
904	}	1353	}
905		1354
906	sub load_extensions {	1355	sub load_extensions {
		1356	cf::sync_job {
		1357	my %todo;
		1358
907	for my $ext (<$LIBDIR/*.ext>) {	1359	for my $path (<$LIBDIR/*.ext>) {
908	next unless -r $ext;	1360	next unless -r $path;
909	eval {	1361
910	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	$progress = 1;
911	1	1418	}
912	} or warn "$ext not loaded: $@";	1419
		1420	skip:
		1421	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1422	unless $progress;
		1423	}
913	}	1424	};
914	}	1425	}
915		1426
916	#############################################################################	1427	#############################################################################
917		1428
		1429	=back
		1430
918	=head2 CORE EXTENSIONS	1431	=head2 CORE EXTENSIONS
919		1432
920	Functions and methods that extend core crossfire objects.	1433	Functions and methods that extend core deliantra objects.
921		1434
922	=cut	1435	=cut
923		1436
924	package cf::player;	1437	package cf::player;
925		1438
…		…
927		1440
928	=head3 cf::player	1441	=head3 cf::player
929		1442
930	=over 4	1443	=over 4
931		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
932	=item cf::player::find $login	1459	=item cf::player::find $login
933		1460
934	Returns the given player object, loading it if necessary (might block).	1461	Returns the given player object, loading it if necessary (might block).
935		1462
936	=cut	1463	=cut
937		1464
938	sub playerdir($) {	1465	sub playerdir($) {
939	cf::localdir	1466	"$PLAYERDIR/"
940	. "/"
941	. cf::playerdir
942	. "/"
943	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1467	. (ref $_[0] ? $_[0]->ob->name : $_[0])
944	}	1468	}
945		1469
946	sub path($) {	1470	sub path($) {
947	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1471	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
948		1472
949	(playerdir $login) . "/$login.pl"	1473	(playerdir $login) . "/playerdata"
950	}	1474	}
951		1475
952	sub find_active($) {	1476	sub find_active($) {
953	$cf::PLAYER{$_[0]}	1477	$cf::PLAYER{$_[0]}
954	and $cf::PLAYER{$_[0]}->active	1478	and $cf::PLAYER{$_[0]}->active
…		…
957		1481
958	sub exists($) {	1482	sub exists($) {
959	my ($login) = @_;	1483	my ($login) = @_;
960		1484
961	$cf::PLAYER{$login}	1485	$cf::PLAYER{$login}
962	or cf::sync_job { !aio_stat path $login }	1486	or !aio_stat path $login
963	}	1487	}
964		1488
965	sub find($) {	1489	sub find($) {
966	return $cf::PLAYER{$_[0]} || do {	1490	return $cf::PLAYER{$_[0]} || do {
967	my $login = $_[0];	1491	my $login = $_[0];
968		1492
969	my $guard = cf::lock_acquire "user_find:$login";	1493	my $guard = cf::lock_acquire "user_find:$login";
970		1494
971	$cf::PLAYER{$_[0]} || do {	1495	$cf::PLAYER{$_[0]} || do {
972	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
973	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;
974	$cf::PLAYER{$login} = $pl	1511	$cf::PLAYER{$login} = $pl
975	}	1512	}
976	}	1513	}
977	}	1514	}
978		1515
…		…
987	return if $pl->{deny_save};	1524	return if $pl->{deny_save};
988		1525
989	aio_mkdir playerdir $pl, 0770;	1526	aio_mkdir playerdir $pl, 0770;
990	$pl->{last_save} = $cf::RUNTIME;	1527	$pl->{last_save} = $cf::RUNTIME;
991		1528
		1529	cf::get_slot 0.01;
		1530
992	$pl->save_pl ($path);	1531	$pl->save_pl ($path);
993	Coro::cede;	1532	cf::cede_to_tick;
994	}	1533	}
995		1534
996	sub new($) {	1535	sub new($) {
997	my ($login) = @_;	1536	my ($login) = @_;
998		1537
…		…
1004	$cf::PLAYER{$login} = $self;	1543	$cf::PLAYER{$login} = $self;
1005		1544
1006	$self	1545	$self
1007	}	1546	}
1008		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
1009	=item $pl->quit_character	1558	=item $pl->quit_character
1010		1559
1011	Nukes the player without looking back. If logged in, the connection will	1560	Nukes the player without looking back. If logged in, the connection will
1012	be destroyed. May block for a long time.	1561	be destroyed. May block for a long time.
1013		1562
1014	=cut	1563	=cut
1015		1564
1016	sub quit_character {	1565	sub quit_character {
1017	my ($pl) = @_;	1566	my ($pl) = @_;
1018		1567
		1568	my $name = $pl->ob->name;
		1569
1019	$pl->{deny_save} = 1;	1570	$pl->{deny_save} = 1;
1020	$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
1021		1572
1022	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1573	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1023	$pl->deactivate;	1574	$pl->deactivate;
		1575	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1576	$pl->ob->check_score;
1024	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1577	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1025	$pl->ns->destroy if $pl->ns;	1578	$pl->ns->destroy if $pl->ns;
1026		1579
1027	my $path = playerdir $pl;	1580	my $path = playerdir $pl;
1028	my $temp = "$path~$cf::RUNTIME~deleting~";	1581	my $temp = "$path~$cf::RUNTIME~deleting~";
1029	aio_rename $path, $temp;	1582	aio_rename $path, $temp;
1030	delete $cf::PLAYER{$pl->ob->name};	1583	delete $cf::PLAYER{$pl->ob->name};
1031	$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
1032	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;
1033	}	1606	}
1034		1607
1035	=item cf::player::list_logins	1608	=item cf::player::list_logins
1036		1609
1037	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
1038	while and may block, so not sync_job-capable, ever.	1611	while and may block, so not sync_job-capable, ever.
1039		1612
1040	=cut	1613	=cut
1041		1614
1042	sub list_logins {	1615	sub list_logins {
1043	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1616	my $dirs = aio_readdir $PLAYERDIR
1044	or return [];	1617	or return [];
1045		1618
1046	my @logins;	1619	my @logins;
1047		1620
1048	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") {
1049	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1627	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1050	aio_read $fh, 0, 512, my $buf, 0 or next;	1628	aio_read $fh, 0, 512, my $buf, 0 or next;
1051	$buf !~ /^password -------------$/m or next; # official not-valid tag	1629	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1630	}
1052		1631
1053	utf8::decode $login;	1632	utf8::decode $login;
1054	push @logins, $login;	1633	push @logins, $login;
1055	}	1634	}
1056		1635
…		…
1064		1643
1065	=cut	1644	=cut
1066		1645
1067	sub maps($) {	1646	sub maps($) {
1068	my ($pl) = @_;	1647	my ($pl) = @_;
		1648
		1649	$pl = ref $pl ? $pl->ob->name : $pl;
1069		1650
1070	my $files = aio_readdir playerdir $pl	1651	my $files = aio_readdir playerdir $pl
1071	or return;	1652	or return;
1072		1653
1073	my @paths;	1654	my @paths;
…		…
1075	for (@$files) {	1656	for (@$files) {
1076	utf8::decode $_;	1657	utf8::decode $_;
1077	next if /\.(?:pl|pst)$/;	1658	next if /\.(?:pl|pst)$/;
1078	next unless /^$PATH_SEP/o;	1659	next unless /^$PATH_SEP/o;
1079		1660
1080	s/\.map$//;	1661	push @paths, cf::map::normalise "~$pl/$_";
1081	push @paths, "~" . $pl->ob->name . "/" . $_;
1082	}	1662	}
1083		1663
1084	\@paths	1664	\@paths
1085	}	1665	}
1086		1666
		1667	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1668
		1669	Expand deliantra pod fragments into protocol xml.
		1670
1087	=item $player->ext_reply ($msgid, $msgtype, %msg)	1671	=item $player->ext_reply ($msgid, @msg)
1088		1672
1089	Sends an ext reply to the player.	1673	Sends an ext reply to the player.
1090		1674
1091	=cut	1675	=cut
1092		1676
1093	sub ext_reply($$$%) {	1677	sub ext_reply($$@) {
1094	my ($self, $id, %msg) = @_;	1678	my ($self, $id, @msg) = @_;
1095		1679
1096	$msg{msgid} = $id;	1680	$self->ns->ext_reply ($id, @msg)
1097
1098	$self->send ("ext " . cf::to_json \%msg);
1099	}	1681	}
1100		1682
1101	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	}
1102		1723
1103	=back	1724	=back
1104
1105		1725
1106	=head3 cf::map	1726	=head3 cf::map
1107		1727
1108	=over 4	1728	=over 4
1109		1729
…		…
1121	our $MAX_RESET = 3600;	1741	our $MAX_RESET = 3600;
1122	our $DEFAULT_RESET = 3000;	1742	our $DEFAULT_RESET = 3000;
1123		1743
1124	sub generate_random_map {	1744	sub generate_random_map {
1125	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
1126	# mit "rum" bekleckern, nicht	1749	# mit "rum" bekleckern, nicht
1127	$self->_create_random_map (	1750	$self->_create_random_map (
1128	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1751	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1129	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1752	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1130	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1753	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1137	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1760	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1138	(cf::region::find $rmp->{region}), $rmp->{custom}	1761	(cf::region::find $rmp->{region}), $rmp->{custom}
1139	)	1762	)
1140	}	1763	}
1141		1764
		1765	=item cf::map->register ($regex, $prio)
		1766
		1767	Register a handler for the map path matching the given regex at the
		1768	givne priority (higher is better, built-in handlers have priority 0, the
		1769	default).
		1770
		1771	=cut
		1772
1142	sub register {	1773	sub register {
1143	my (undef, $regex) = @_;	1774	my (undef, $regex, $prio) = @_;
1144	my $pkg = caller;	1775	my $pkg = caller;
1145		1776
1146	no strict;	1777	no strict;
1147	push @{"$pkg\::ISA"}, __PACKAGE__;	1778	push @{"$pkg\::ISA"}, __PACKAGE__;
1148		1779
1149	$EXT_MAP{$pkg} = qr<$regex>;	1780	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1150	}	1781	}
1151		1782
1152	# also paths starting with '/'	1783	# also paths starting with '/'
1153	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1784	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1154		1785
1155	sub thawer_merge {	1786	sub thawer_merge {
1156	my ($self, $merge) = @_;	1787	my ($self, $merge) = @_;
1157		1788
1158	# we have to keep some variables in memory intact	1789	# we have to keep some variables in memory intact
1159	local $self->{path};	1790	local $self->{path};
1160	local $self->{load_path};	1791	local $self->{load_path};
1161	local $self->{deny_save};
1162	local $self->{deny_reset};
1163		1792
1164	$self->SUPER::thawer_merge ($merge);	1793	$self->SUPER::thawer_merge ($merge);
1165	}	1794	}
1166		1795
1167	sub normalise {	1796	sub normalise {
1168	my ($path, $base) = @_;	1797	my ($path, $base) = @_;
		1798
		1799	$path = "$path"; # make sure its a string
		1800
		1801	$path =~ s/\.map$//;
1169		1802
1170	# map plan:	1803	# map plan:
1171	#	1804	#
1172	# /! non-realised random map exit (special hack!)	1805	# /! non-realised random map exit (special hack!)
1173	# {... are special paths that are not being touched	1806	# {... are special paths that are not being touched
…		…
1201		1834
1202	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1835	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1203		1836
1204	$path = normalise $path, $base;	1837	$path = normalise $path, $base;
1205		1838
1206	for my $pkg (keys %EXT_MAP) {	1839	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1207	if ($path =~ $EXT_MAP{$pkg}) {	1840	if ($path =~ $EXT_MAP{$pkg}[1]) {
1208	my $self = bless cf::map::new, $pkg;	1841	my $self = bless cf::map::new, $pkg;
1209	$self->{path} = $path; $self->path ($path);	1842	$self->{path} = $path; $self->path ($path);
1210	$self->init; # pass $1 etc.	1843	$self->init; # pass $1 etc.
1211	return $self;	1844	return $self;
1212	}	1845	}
1213	}	1846	}
1214		1847
1215	Carp::carp "unable to resolve path '$path'.";	1848	Carp::cluck "unable to resolve path '$path' (base '$base').";
1216	()	1849	()
1217	}	1850	}
1218		1851
1219	sub init {	1852	sub init {
1220	my ($self) = @_;	1853	my ($self) = @_;
…		…
1235		1868
1236	# the original (read-only) location	1869	# the original (read-only) location
1237	sub load_path {	1870	sub load_path {
1238	my ($self) = @_;	1871	my ($self) = @_;
1239		1872
1240	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1873	"$MAPDIR/$self->{path}.map"
1241	}	1874	}
1242		1875
1243	# the temporary/swap location	1876	# the temporary/swap location
1244	sub save_path {	1877	sub save_path {
1245	my ($self) = @_;	1878	my ($self) = @_;
1246		1879
1247	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1880	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1248	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1881	"$TMPDIR/$path.map"
1249	}	1882	}
1250		1883
1251	# the unique path, undef == no special unique path	1884	# the unique path, undef == no special unique path
1252	sub uniq_path {	1885	sub uniq_path {
1253	my ($self) = @_;	1886	my ($self) = @_;
1254		1887
1255	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1888	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1256	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1889	"$UNIQUEDIR/$path"
1257	}	1890	}
1258		1891
1259	# and all this just because we cannot iterate over	1892	# and all this just because we cannot iterate over
1260	# all maps in C++...	1893	# all maps in C++...
1261	sub change_all_map_light {	1894	sub change_all_map_light {
…		…
1263		1896
1264	$_->change_map_light ($change)	1897	$_->change_map_light ($change)
1265	for grep $_->outdoor, values %cf::MAP;	1898	for grep $_->outdoor, values %cf::MAP;
1266	}	1899	}
1267		1900
		1901	sub decay_objects {
		1902	my ($self) = @_;
		1903
		1904	return if $self->{deny_reset};
		1905
		1906	$self->do_decay_objects;
		1907	}
		1908
1268	sub unlink_save {	1909	sub unlink_save {
1269	my ($self) = @_;	1910	my ($self) = @_;
1270		1911
1271	utf8::encode (my $save = $self->save_path);	1912	utf8::encode (my $save = $self->save_path);
1272	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1913	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1275		1916
1276	sub load_header_from($) {	1917	sub load_header_from($) {
1277	my ($self, $path) = @_;	1918	my ($self, $path) = @_;
1278		1919
1279	utf8::encode $path;	1920	utf8::encode $path;
1280	aio_open $path, O_RDONLY, 0	1921	my $f = new_from_file cf::object::thawer $path
1281	or return;	1922	or return;
1282		1923
1283	$self->_load_header ($path)	1924	$self->_load_header ($f)
1284	or return;	1925	or return;
1285		1926
		1927	local $MAP_LOADING{$self->{path}} = $self;
		1928	$f->resolve_delayed_derefs;
		1929
1286	$self->{load_path} = $path;	1930	$self->{load_path} = $path;
1287		1931
1288	1	1932	1
1289	}	1933	}
1290		1934
1291	sub load_orig {	1935	sub load_header_orig {
1292	my ($self) = @_;	1936	my ($self) = @_;
1293		1937
1294	$self->load_header_from ($self->load_path)	1938	$self->load_header_from ($self->load_path)
1295	}	1939	}
1296		1940
1297	sub load_temp {	1941	sub load_header_temp {
1298	my ($self) = @_;	1942	my ($self) = @_;
1299		1943
1300	$self->load_header_from ($self->save_path)	1944	$self->load_header_from ($self->save_path)
		1945	}
		1946
		1947	sub prepare_temp {
		1948	my ($self) = @_;
		1949
		1950	$self->last_access ((delete $self->{last_access})
		1951	|| $cf::RUNTIME); #d#
		1952	# safety
		1953	$self->{instantiate_time} = $cf::RUNTIME
		1954	if $self->{instantiate_time} > $cf::RUNTIME;
		1955	}
		1956
		1957	sub prepare_orig {
		1958	my ($self) = @_;
		1959
		1960	$self->{load_original} = 1;
		1961	$self->{instantiate_time} = $cf::RUNTIME;
		1962	$self->last_access ($cf::RUNTIME);
		1963	$self->instantiate;
1301	}	1964	}
1302		1965
1303	sub load_header {	1966	sub load_header {
1304	my ($self) = @_;	1967	my ($self) = @_;
1305		1968
1306	if ($self->load_temp) {	1969	if ($self->load_header_temp) {
1307	$self->last_access ((delete $self->{last_access})	1970	$self->prepare_temp;
1308	|| $cf::RUNTIME); #d#
1309	# safety
1310	$self->{instantiate_time} = $cf::RUNTIME
1311	if $self->{instantiate_time} > $cf::RUNTIME;
1312	} else {	1971	} else {
1313	$self->load_orig	1972	$self->load_header_orig
1314	or return;	1973	or return;
1315		1974	$self->prepare_orig;
1316	$self->{load_original} = 1;
1317	$self->{instantiate_time} = $cf::RUNTIME;
1318	$self->last_access ($cf::RUNTIME);
1319	$self->instantiate;
1320	}	1975	}
		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;
1321		1982
1322	1	1983	1
1323	}	1984	}
1324		1985
1325	sub find;	1986	sub find;
1326	sub find {	1987	sub find {
1327	my ($path, $origin) = @_;	1988	my ($path, $origin) = @_;
1328		1989
1329	$path = normalise $path, $origin && $origin->path;	1990	$path = normalise $path, $origin && $origin->path;
1330		1991
		1992	cf::lock_wait "map_data:$path";#d#remove
1331	cf::lock_wait "map_find:$path";	1993	cf::lock_wait "map_find:$path";
1332		1994
1333	$cf::MAP{$path} || do {	1995	$cf::MAP{$path} || do {
		1996	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1334	my $guard = cf::lock_acquire "map_find:$path";	1997	my $guard2 = cf::lock_acquire "map_find:$path";
		1998
1335	my $map = new_from_path cf::map $path	1999	my $map = new_from_path cf::map $path
1336	or return;	2000	or return;
1337		2001
1338	$map->{last_save} = $cf::RUNTIME;	2002	$map->{last_save} = $cf::RUNTIME;
1339		2003
1340	$map->load_header	2004	$map->load_header
1341	or return;	2005	or return;
1342		2006
1343	if ($map->should_reset) {	2007	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2008	# doing this can freeze the server in a sync job, obviously
1344	$cf::WAIT_FOR_TICK->wait;	2009	#$cf::WAIT_FOR_TICK->wait;
		2010	undef $guard2;
		2011	undef $guard1;
1345	$map->reset;	2012	$map->reset;
1346	undef $guard;
1347	$map = find $path	2013	return find $path;
1348	or return;
1349	}	2014	}
1350		2015
1351	$cf::MAP{$path} = $map	2016	$cf::MAP{$path} = $map
1352	}	2017	}
1353	}	2018	}
		2019
		2020	sub pre_load { }
		2021	sub post_load { }
1354		2022
1355	sub load {	2023	sub load {
1356	my ($self) = @_;	2024	my ($self) = @_;
1357		2025
		2026	local $self->{deny_reset} = 1; # loading can take a long time
		2027
1358	my $path = $self->{path};	2028	my $path = $self->{path};
		2029
		2030	{
1359	my $guard = cf::lock_acquire "map_load:$path";	2031	my $guard = cf::lock_acquire "map_data:$path";
1360		2032
		2033	return unless $self->valid;
1361	return if $self->in_memory != cf::MAP_SWAPPED;	2034	return unless $self->in_memory == cf::MAP_SWAPPED;
1362		2035
1363	$self->in_memory (cf::MAP_LOADING);	2036	$self->in_memory (cf::MAP_LOADING);
1364		2037
1365	$self->alloc;	2038	$self->alloc;
1366	$self->_load_objects ($self->{load_path}, 1)	2039
		2040	$self->pre_load;
		2041	cf::cede_to_tick;
		2042
		2043	my $f = new_from_file cf::object::thawer $self->{load_path};
		2044	$f->skip_block;
		2045	$self->_load_objects ($f)
1367	or return;	2046	or return;
1368		2047
1369	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2048	$self->post_load_original
1370	if delete $self->{load_original};	2049	if delete $self->{load_original};
1371		2050
1372	if (my $uniq = $self->uniq_path) {	2051	if (my $uniq = $self->uniq_path) {
1373	utf8::encode $uniq;	2052	utf8::encode $uniq;
1374	if (aio_open $uniq, O_RDONLY, 0) {	2053	unless (aio_stat $uniq) {
		2054	if (my $f = new_from_file cf::object::thawer $uniq) {
1375	$self->clear_unique_items;	2055	$self->clear_unique_items;
1376	$self->_load_objects ($uniq, 0);	2056	$self->_load_objects ($f);
		2057	$f->resolve_delayed_derefs;
		2058	}
1377	}	2059	}
1378	}	2060	}
1379		2061
1380	Coro::cede;	2062	$f->resolve_delayed_derefs;
1381		2063
		2064	cf::cede_to_tick;
1382	# now do the right thing for maps	2065	# now do the right thing for maps
1383	$self->link_multipart_objects;	2066	$self->link_multipart_objects;
1384
1385	unless ($self->{deny_activate}) {
1386	$self->decay_objects;
1387	$self->fix_auto_apply;
1388	$self->update_buttons;
1389	Coro::cede;
1390	$self->set_darkness_map;
1391	$self->difficulty ($self->estimate_difficulty)	2067	$self->difficulty ($self->estimate_difficulty)
1392	unless $self->difficulty;	2068	unless $self->difficulty;
1393	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;
1394	$self->activate;	2078	$self->activate;
1395	}	2079	}
1396		2080
		2081	$self->{last_save} = $cf::RUNTIME;
		2082	$self->last_access ($cf::RUNTIME);
		2083
1397	$self->in_memory (cf::MAP_IN_MEMORY);	2084	$self->in_memory (cf::MAP_ACTIVE);
		2085	}
		2086
		2087	$self->post_load;
1398	}	2088	}
1399		2089
1400	sub customise_for {	2090	sub customise_for {
1401	my ($self, $ob) = @_;	2091	my ($self, $ob) = @_;
1402		2092
1403	return find "~" . $ob->name . "/" . $self->{path}	2093	return find "~" . $ob->name . "/" . $self->{path}
1404	if $self->per_player;	2094	if $self->per_player;
1405		2095
		2096	# return find "?party/" . $ob->name . "/" . $self->{path}
		2097	# if $self->per_party;
		2098
1406	$self	2099	$self
1407	}	2100	}
1408		2101
1409	# 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
1410	sub load_diag {	2103	sub load_neighbours {
1411	my ($map) = @_;	2104	my ($map) = @_;
1412		2105
1413	my @diag; # diagonal neighbours	2106	my @neigh; # diagonal neighbours
1414		2107
1415	for (0 .. 3) {	2108	for (0 .. 3) {
1416	my $neigh = $map->tile_path ($_)	2109	my $neigh = $map->tile_path ($_)
1417	or next;	2110	or next;
1418	$neigh = find $neigh, $map	2111	$neigh = find $neigh, $map
1419	or next;	2112	or next;
1420	$neigh->load;	2113	$neigh->load;
1421		2114
		2115	push @neigh,
1422	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2116	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1423	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2117	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1424	}	2118	}
1425		2119
1426	for (@diag) {	2120	for (grep defined $_->[0], @neigh) {
		2121	my ($path, $origin) = @$_;
1427	my $neigh = find @$_	2122	my $neigh = find $path, $origin
1428	or next;	2123	or next;
1429	$neigh->load;	2124	$neigh->load;
1430	}	2125	}
1431	}	2126	}
1432		2127
…		…
1437	}	2132	}
1438		2133
1439	sub do_load_sync {	2134	sub do_load_sync {
1440	my ($map) = @_;	2135	my ($map) = @_;
1441		2136
		2137	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2138	if $Coro::current == $Coro::main;
		2139
1442	cf::sync_job { $map->load };	2140	cf::sync_job { $map->load };
1443	}	2141	}
1444		2142
1445	our %MAP_PREFETCH;	2143	our %MAP_PREFETCH;
1446	our $MAP_PREFETCHER = Coro::async {	2144	our $MAP_PREFETCHER = undef;
1447	while () {
1448	for my $path (keys %MAP_PREFETCH) {
1449	my $map = find $path
1450	or next;
1451	$map->load;
1452
1453	delete $MAP_PREFETCH{$path};
1454	}
1455	Coro::schedule;
1456	}
1457	};
1458		2145
1459	sub find_async {	2146	sub find_async {
1460	my ($path, $origin) = @_;	2147	my ($path, $origin, $load) = @_;
1461		2148
1462	$path = normalise $path, $origin && $origin->{path};	2149	$path = normalise $path, $origin && $origin->{path};
1463		2150
1464	if (my $map = $cf::MAP{$path}) {	2151	if (my $map = $cf::MAP{$path}) {
1465	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2152	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2153	}
		2154
		2155	$MAP_PREFETCH{$path} |= $load;
		2156
		2157	$MAP_PREFETCHER ||= cf::async {
		2158	$Coro::current->{desc} = "map prefetcher";
		2159
		2160	while (%MAP_PREFETCH) {
		2161	while (my ($k, $v) = each %MAP_PREFETCH) {
		2162	if (my $map = find $k) {
		2163	$map->load if $v;
		2164	}
		2165
		2166	delete $MAP_PREFETCH{$k};
		2167	}
		2168	}
		2169	undef $MAP_PREFETCHER;
1466	}	2170	};
1467
1468	$MAP_PREFETCH{$path} = 0;
1469	$MAP_PREFETCHER->ready;	2171	$MAP_PREFETCHER->prio (6);
1470		2172
1471	()	2173	()
1472	}	2174	}
1473		2175
1474	sub save {	2176	sub save {
1475	my ($self) = @_;	2177	my ($self) = @_;
1476		2178
1477	my $lock = cf::lock_acquire "map_data:" . $self->path;	2179	my $lock = cf::lock_acquire "map_data:$self->{path}";
1478		2180
1479	$self->{last_save} = $cf::RUNTIME;	2181	$self->{last_save} = $cf::RUNTIME;
1480		2182
1481	return unless $self->dirty;	2183	return unless $self->dirty;
1482		2184
…		…
1488	return if $self->{deny_save};	2190	return if $self->{deny_save};
1489		2191
1490	local $self->{last_access} = $self->last_access;#d#	2192	local $self->{last_access} = $self->last_access;#d#
1491		2193
1492	cf::async {	2194	cf::async {
		2195	$Coro::current->{desc} = "map player save";
1493	$_->contr->save for $self->players;	2196	$_->contr->save for $self->players;
1494	};	2197	};
		2198
		2199	cf::get_slot 0.02;
1495		2200
1496	if ($uniq) {	2201	if ($uniq) {
1497	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2202	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1498	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2203	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1499	} else {	2204	} else {
…		…
1505	my ($self) = @_;	2210	my ($self) = @_;
1506		2211
1507	# save first because save cedes	2212	# save first because save cedes
1508	$self->save;	2213	$self->save;
1509		2214
1510	my $lock = cf::lock_acquire "map_data:" . $self->path;	2215	my $lock = cf::lock_acquire "map_data:$self->{path}";
1511		2216
1512	return if $self->players;	2217	return if $self->players;
1513	return if $self->in_memory != cf::MAP_IN_MEMORY;	2218	return if $self->in_memory != cf::MAP_ACTIVE;
1514	return if $self->{deny_save};	2219	return if $self->{deny_save};
1515		2220
		2221	$self->in_memory (cf::MAP_SWAPPED);
		2222
		2223	$self->deactivate;
		2224	$_->clear_links_to ($self) for values %cf::MAP;
1516	$self->clear;	2225	$self->clear;
1517	$self->in_memory (cf::MAP_SWAPPED);
1518	}	2226	}
1519		2227
1520	sub reset_at {	2228	sub reset_at {
1521	my ($self) = @_;	2229	my ($self) = @_;
1522		2230
1523	# TODO: safety, remove and allow resettable per-player maps	2231	# TODO: safety, remove and allow resettable per-player maps
1524	return 1e99 if $self->isa ("ext::map_per_player");#d#
1525	return 1e99 if $self->{deny_reset};	2232	return 1e99 if $self->{deny_reset};
1526		2233
1527	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2234	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1528	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;
1529		2236
…		…
1540	my ($self) = @_;	2247	my ($self) = @_;
1541		2248
1542	my $lock = cf::lock_acquire "map_data:$self->{path}";	2249	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2250
1544	return if $self->players;	2251	return if $self->players;
1545	return if $self->isa ("ext::map_per_player");#d#
1546		2252
1547	warn "resetting map ", $self->path;#d#	2253	warn "resetting map ", $self->path;
		2254
		2255	$self->in_memory (cf::MAP_SWAPPED);
		2256
		2257	# need to save uniques path
		2258	unless ($self->{deny_save}) {
		2259	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2260
		2261	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2262	if $uniq;
		2263	}
1548		2264
1549	delete $cf::MAP{$self->path};	2265	delete $cf::MAP{$self->path};
1550		2266
1551	$self->in_memory (cf::MAP_SWAPPED);	2267	$self->deactivate;
		2268	$_->clear_links_to ($self) for values %cf::MAP;
1552	$self->clear;	2269	$self->clear;
1553
1554	$_->clear_links_to ($self) for values %cf::MAP;
1555		2270
1556	$self->unlink_save;	2271	$self->unlink_save;
1557	$self->destroy;	2272	$self->destroy;
1558	}	2273	}
1559		2274
1560	my $nuke_counter = "aaaa";	2275	my $nuke_counter = "aaaa";
1561		2276
1562	sub nuke {	2277	sub nuke {
1563	my ($self) = @_;	2278	my ($self) = @_;
1564		2279
		2280	{
		2281	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2282
1565	delete $cf::MAP{$self->path};	2283	delete $cf::MAP{$self->path};
1566		2284
1567	$self->unlink_save;	2285	$self->unlink_save;
1568		2286
1569	bless $self, "cf::map";	2287	bless $self, "cf::map";
1570	delete $self->{deny_reset};	2288	delete $self->{deny_reset};
1571	$self->{deny_save} = 1;	2289	$self->{deny_save} = 1;
1572	$self->reset_timeout (1);	2290	$self->reset_timeout (1);
1573	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2291	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1574		2292
1575	$cf::MAP{$self->path} = $self;	2293	$cf::MAP{$self->path} = $self;
		2294	}
1576		2295
1577	$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	]
1578	}	2333	}
1579		2334
1580	=item cf::map::unique_maps	2335	=item cf::map::unique_maps
1581		2336
1582	Returns an arrayref of paths of all shared maps that have	2337	Returns an arrayref of paths of all shared maps that have
1583	instantiated unique items. May block.	2338	instantiated unique items. May block.
1584		2339
1585	=cut	2340	=cut
1586		2341
1587	sub unique_maps() {	2342	sub unique_maps() {
1588	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2343	[
1589	or return;	2344	map {
1590
1591	my @paths;
1592
1593	for (@$files) {
1594	utf8::decode $_;	2345	utf8::decode $_;
1595	next if /\.pst$/;	2346	s/\.map$//; # TODO future compatibility hack
1596	next unless /^$PATH_SEP/o;	2347	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1597		2348	? ()
1598	s/\.map$//;	2349	: normalise $_
1599	push @paths, $_;	2350	} @{ aio_readdir $UNIQUEDIR or [] }
1600	}	2351	]
1601
1602	\@paths
1603	}	2352	}
1604
1605	package cf;
1606		2353
1607	=back	2354	=back
1608		2355
1609	=head3 cf::object	2356	=head3 cf::object
1610		2357
…		…
1614		2361
1615	=over 4	2362	=over 4
1616		2363
1617	=item $ob->inv_recursive	2364	=item $ob->inv_recursive
1618		2365
1619	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.
1620		2368
1621	=cut	2369	=cut
1622		2370
1623	sub inv_recursive_;	2371	sub inv_recursive_;
1624	sub inv_recursive_ {	2372	sub inv_recursive_ {
…		…
1627		2375
1628	sub inv_recursive {	2376	sub inv_recursive {
1629	inv_recursive_ inv $_[0]	2377	inv_recursive_ inv $_[0]
1630	}	2378	}
1631		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
1632	package cf;	2408	package cf;
1633		2409
1634	=back	2410	=back
1635		2411
1636	=head3 cf::object::player	2412	=head3 cf::object::player
…		…
1642	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>
1643	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
1644	dialogue with the given NPC character.	2420	dialogue with the given NPC character.
1645		2421
1646	=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	};
1647		2437
1648	# rough implementation of a future "reply" method that works	2438	# rough implementation of a future "reply" method that works
1649	# with dialog boxes.	2439	# with dialog boxes.
1650	#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
1651	sub cf::object::player::reply($$$;$) {	2441	sub cf::object::player::reply($$$;$) {
…		…
1653		2443
1654	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2444	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1655		2445
1656	if ($self->{record_replies}) {	2446	if ($self->{record_replies}) {
1657	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2447	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2448
1658	} 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 {
1659	$msg = $npc->name . " says: $msg" if $npc;	2457	$msg = $npc->name . " says: $msg" if $npc;
1660	$self->message ($msg, $flags);	2458	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2459	}
1661	}	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 (@_);
1662	}	2471	}
1663		2472
1664	=item $player_object->may ("access")	2473	=item $player_object->may ("access")
1665		2474
1666	Returns wether the given player is authorized to access resource "access"	2475	Returns wether the given player is authorized to access resource "access"
…		…
1679		2488
1680	=item $player_object->enter_link	2489	=item $player_object->enter_link
1681		2490
1682	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}>).
1683		2492
1684	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.
1685	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.
1686		2497
1687	Will never block.	2498	Will never block.
1688		2499
1689	=item $player_object->leave_link ($map, $x, $y)	2500	=item $player_object->leave_link ($map, $x, $y)
1690		2501
…		…
1698	=cut	2509	=cut
1699		2510
1700	sub link_map {	2511	sub link_map {
1701	unless ($LINK_MAP) {	2512	unless ($LINK_MAP) {
1702	$LINK_MAP = cf::map::find "{link}"	2513	$LINK_MAP = cf::map::find "{link}"
1703	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2514	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1704	$LINK_MAP->load;	2515	$LINK_MAP->load;
1705	}	2516	}
1706		2517
1707	$LINK_MAP	2518	$LINK_MAP
1708	}	2519	}
…		…
1713	$self->deactivate_recursive;	2524	$self->deactivate_recursive;
1714		2525
1715	return if UNIVERSAL::isa $self->map, "ext::map_link";	2526	return if UNIVERSAL::isa $self->map, "ext::map_link";
1716		2527
1717	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2528	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1718	if $self->map;	2529	if $self->map && $self->map->{path} ne "{link}";
1719		2530
1720	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2531	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1721	}	2532	}
1722		2533
1723	sub cf::object::player::leave_link {	2534	sub cf::object::player::leave_link {
1724	my ($self, $map, $x, $y) = @_;	2535	my ($self, $map, $x, $y) = @_;
		2536
		2537	return unless $self->contr->active;
1725		2538
1726	my $link_pos = delete $self->{_link_pos};	2539	my $link_pos = delete $self->{_link_pos};
1727		2540
1728	unless ($map) {	2541	unless ($map) {
1729	# restore original map position	2542	# restore original map position
…		…
1743	# use -1 or undef as default coordinates, not 0, 0	2556	# use -1 or undef as default coordinates, not 0, 0
1744	($x, $y) = ($map->enter_x, $map->enter_y)	2557	($x, $y) = ($map->enter_x, $map->enter_y)
1745	if $x <=0 && $y <= 0;	2558	if $x <=0 && $y <= 0;
1746		2559
1747	$map->load;	2560	$map->load;
1748	$map->load_diag;	2561	$map->load_neighbours;
1749		2562
1750	return unless $self->contr->active;	2563	return unless $self->contr->active;
		2564	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1751	$self->activate_recursive;	2565	$self->activate_recursive;
		2566
		2567	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1752	$self->enter_map ($map, $x, $y);	2568	$self->enter_map ($map, $x, $y);
1753	}	2569	}
1754		2570
1755	cf::player->attach (	2571	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1756	on_logout => sub {
1757	my ($pl) = @_;
1758		2572
1759	# abort map switching before logout	2573	Moves the player to the given map-path and coordinates by first freezing
1760	if ($pl->ob->{_link_pos}) {	2574	her, loading and preparing them map, calling the provided $check callback
1761	cf::sync_job {	2575	that has to return the map if sucecssful, and then unfreezes the player on
1762	$pl->ob->leave_link	2576	the new (success) or old (failed) map position. In either case, $done will
1763	};	2577	be called at the end of this process.
1764	}
1765	},
1766	on_login => sub {
1767	my ($pl) = @_;
1768		2578
1769	# try to abort aborted map switching on player login :)	2579	Note that $check will be called with a potentially non-loaded map, so if
1770	# should happen only on crashes	2580	it needs a loaded map it has to call C<< ->load >>.
1771	if ($pl->ob->{_link_pos}) {
1772	$pl->ob->enter_link;
1773	(async {
1774	# we need this sleep as the login has a concurrent enter_exit running
1775	# and this sleep increases chances of the player not ending up in scorn
1776	$pl->ob->reply (undef,
1777	"There was an internal problem at your last logout, "
1778	. "the server will try to bring you to your intended destination in a second.",
1779	cf::NDI_RED);
1780	Coro::Timer::sleep 1;
1781	$pl->ob->leave_link;
1782	})->prio (2);
1783	}
1784	},
1785	);
1786		2581
1787	=item $player_object->goto ($path, $x, $y)
1788
1789	=cut	2582	=cut
		2583
		2584	our $GOTOGEN;
1790		2585
1791	sub cf::object::player::goto {	2586	sub cf::object::player::goto {
1792	my ($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;
1793		2591
1794	$self->enter_link;	2592	$self->enter_link;
1795		2593
1796	(async {	2594	(async {
1797	my $map = cf::map::find $path;	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
		2616	my $map = eval {
		2617	my $map = defined $path ? cf::map::find $path : undef;
		2618
		2619	if ($map) {
1798	$map = $map->customise_for ($self) if $map;	2620	$map = $map->customise_for ($self);
1799		2621	$map = $check->($map) if $check && $map;
1800	# warn "entering ", $map->path, " at ($x, $y)\n"	2622	} else {
1801	# if $map;
1802
1803	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2623	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2624	}
1804		2625
		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 $@;
		2632	}
		2633
		2634	if ($gen == $self->{_goto_generation}) {
		2635	delete $self->{_goto_generation};
1805	$self->leave_link ($map, $x, $y);	2636	$self->leave_link ($map, $x, $y);
		2637	}
		2638
		2639	$done->() if $done;
1806	})->prio (1);	2640	})->prio (1);
1807	}	2641	}
1808		2642
1809	=item $player_object->enter_exit ($exit_object)	2643	=item $player_object->enter_exit ($exit_object)
1810		2644
…		…
1830	}	2664	}
1831		2665
1832	sub prepare_random_map {	2666	sub prepare_random_map {
1833	my ($exit) = @_;	2667	my ($exit) = @_;
1834		2668
1835	my $guard = cf::lock_acquire "exit_prepare:$exit";
1836
1837	# all this does is basically replace the /! path by	2669	# all this does is basically replace the /! path by
1838	# a new random map path (?random/...) with a seed	2670	# a new random map path (?random/...) with a seed
1839	# that depends on the exit object	2671	# that depends on the exit object
1840		2672
1841	my $rmp = parse_random_map_params $exit->msg;	2673	my $rmp = parse_random_map_params $exit->msg;
1842		2674
1843	if ($exit->map) {	2675	if ($exit->map) {
1844	$rmp->{region} = $exit->map->region_name;	2676	$rmp->{region} = $exit->region->name;
1845	$rmp->{origin_map} = $exit->map->path;	2677	$rmp->{origin_map} = $exit->map->path;
1846	$rmp->{origin_x} = $exit->x;	2678	$rmp->{origin_x} = $exit->x;
1847	$rmp->{origin_y} = $exit->y;	2679	$rmp->{origin_y} = $exit->y;
		2680
		2681	$exit->map->touch;
1848	}	2682	}
1849		2683
1850	$rmp->{random_seed} ||= $exit->random_seed;	2684	$rmp->{random_seed} ||= $exit->random_seed;
1851		2685
1852	my $data = cf::to_json $rmp;	2686	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1853	my $md5 = Digest::MD5::md5_hex $data;	2687	my $md5 = Digest::MD5::md5_hex $data;
1854	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2688	my $meta = "$RANDOMDIR/$md5.meta";
1855		2689
1856	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2690	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1857	aio_write $fh, 0, (length $data), $data, 0;	2691	aio_write $fh, 0, (length $data), $data, 0;
1858	undef $fh;	2692	undef $fh;
1859	aio_rename "$meta~", $meta;	2693	aio_rename "$meta~", $meta;
1860		2694
		2695	my $slaying = "?random/$md5";
		2696
		2697	if ($exit->valid) {
1861	$exit->slaying ("?random/$md5");	2698	$exit->slaying ("?random/$md5");
1862	$exit->msg (undef);	2699	$exit->msg (undef);
		2700	}
1863	}	2701	}
1864	}	2702	}
1865		2703
1866	sub cf::object::player::enter_exit {	2704	sub cf::object::player::enter_exit {
1867	my ($self, $exit) = @_;	2705	my ($self, $exit) = @_;
…		…
1869	return unless $self->type == cf::PLAYER;	2707	return unless $self->type == cf::PLAYER;
1870		2708
1871	$self->enter_link;	2709	$self->enter_link;
1872		2710
1873	(async {	2711	(async {
1874	$self->deactivate_recursive; # just to be sure	2712	$Coro::current->{desc} = "enter_exit";
		2713
1875	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
1876	prepare_random_map $exit	2721	prepare_random_map $exit
1877	if $exit->slaying eq "/!";	2722	if $exit->slaying eq "/!";
		2723	}
1878		2724
1879	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;	2725	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1880	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2726	my $x = $exit->stats->hp;
		2727	my $y = $exit->stats->sp;
1881		2728
		2729	$self->goto ($map, $x, $y);
		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
1882	1;	2735	1
1883	}) {	2736	}) {
1884	$self->message ("Something went wrong deep within the crossfire server. "	2737	$self->message ("Something went wrong deep within the deliantra server. "
1885	. "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. "
1886	. "Please report this to the dungeon master!",	2739	. "Please report this to the dungeon master!",
1887	cf::NDI_UNIQUE | cf::NDI_RED);	2740	cf::NDI_UNIQUE | cf::NDI_RED);
1888		2741
1889	warn "ERROR in enter_exit: $@";	2742	warn "ERROR in enter_exit: $@";
1890	$self->leave_link;	2743	$self->leave_link;
1891	}	2744	}
1892	})->prio (1);	2745	})->prio (1);
…		…
1905		2758
1906	sub cf::client::send_drawinfo {	2759	sub cf::client::send_drawinfo {
1907	my ($self, $text, $flags) = @_;	2760	my ($self, $text, $flags) = @_;
1908		2761
1909	utf8::encode $text;	2762	utf8::encode $text;
1910	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2763	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1911	}	2764	}
1912		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	}
1913		2951
1914	=item $success = $client->query ($flags, "text", \&cb)	2952	=item $success = $client->query ($flags, "text", \&cb)
1915		2953
1916	Queues a query to the client, calling the given callback with	2954	Queues a query to the client, calling the given callback with
1917	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>,
1918	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>.
1919		2957
1920	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
1921	reliable at some point in the future.	2959	become reliable at some point in the future.
1922		2960
1923	=cut	2961	=cut
1924		2962
1925	sub cf::client::query {	2963	sub cf::client::query {
1926	my ($self, $flags, $text, $cb) = @_;	2964	my ($self, $flags, $text, $cb) = @_;
…		…
1934	utf8::encode $text;	2972	utf8::encode $text;
1935	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2973	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1936		2974
1937	$self->send_packet ($self->{query_queue}[0][0])	2975	$self->send_packet ($self->{query_queue}[0][0])
1938	if @{ $self->{query_queue} } == 1;	2976	if @{ $self->{query_queue} } == 1;
		2977
		2978	1
1939	}	2979	}
1940		2980
1941	cf::client->attach (	2981	cf::client->attach (
		2982	on_connect => sub {
		2983	my ($ns) = @_;
		2984
		2985	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2986	},
1942	on_reply => sub {	2987	on_reply => sub {
1943	my ($ns, $msg) = @_;	2988	my ($ns, $msg) = @_;
1944		2989
1945	# this weird shuffling is so that direct followup queries	2990	# this weird shuffling is so that direct followup queries
1946	# get handled first	2991	# get handled first
1947	my $queue = delete $ns->{query_queue}	2992	my $queue = delete $ns->{query_queue}
1948	or return; # be conservative, not sure how that can happen, but we saw a crash here	2993	or return; # be conservative, not sure how that can happen, but we saw a crash here
1949		2994
1950	(shift @$queue)->[1]->($msg);	2995	(shift @$queue)->[1]->($msg);
		2996	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1951		2997
1952	push @{ $ns->{query_queue} }, @$queue;	2998	push @{ $ns->{query_queue} }, @$queue;
1953		2999
1954	if (@{ $ns->{query_queue} } == @$queue) {	3000	if (@{ $ns->{query_queue} } == @$queue) {
1955	if (@$queue) {	3001	if (@$queue) {
…		…
1957	} else {	3003	} else {
1958	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3004	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1959	}	3005	}
1960	}	3006	}
1961	},	3007	},
		3008	on_exticmd => sub {
		3009	my ($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	},
1962	);	3034	);
1963		3035
1964	=item $client->async (\&cb)	3036	=item $client->async (\&cb)
1965		3037
1966	Create a new coroutine, running the specified callback. The coroutine will	3038	Create a new coroutine, running the specified callback. The coroutine will
…		…
2007	our $safe = new Safe "safe";	3079	our $safe = new Safe "safe";
2008	our $safe_hole = new Safe::Hole;	3080	our $safe_hole = new Safe::Hole;
2009		3081
2010	$SIG{FPE} = 'IGNORE';	3082	$SIG{FPE} = 'IGNORE';
2011		3083
2012	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3084	$safe->permit_only (Opcode::opset qw(
		3085	:base_core :base_mem :base_orig :base_math
		3086	grepstart grepwhile mapstart mapwhile
		3087	sort time
		3088	));
2013		3089
2014	# here we export the classes and methods available to script code	3090	# here we export the classes and methods available to script code
2015		3091
2016	=pod	3092	=pod
2017		3093
2018	The following fucntions and emthods are available within a safe environment:	3094	The following functions and methods are available within a safe environment:
2019		3095
2020	cf::object contr pay_amount pay_player map	3096	cf::object
		3097	contr pay_amount pay_player map x y force_find force_add destroy
		3098	insert remove name archname title slaying race decrease split
		3099
2021	cf::object::player player	3100	cf::object::player
2022	cf::player peaceful	3101	player
2023	cf::map trigger	3102
		3103	cf::player
		3104	peaceful
		3105
		3106	cf::map
		3107	trigger
2024		3108
2025	=cut	3109	=cut
2026		3110
2027	for (	3111	for (
2028	["cf::object" => qw(contr pay_amount pay_player map)],	3112	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3113	insert remove inv nrof name archname title slaying race
		3114	decrease split destroy change_exp)],
2029	["cf::object::player" => qw(player)],	3115	["cf::object::player" => qw(player)],
2030	["cf::player" => qw(peaceful)],	3116	["cf::player" => qw(peaceful)],
2031	["cf::map" => qw(trigger)],	3117	["cf::map" => qw(trigger)],
2032	) {	3118	) {
2033	no strict 'refs';	3119	no strict 'refs';
…		…
2104	=back	3190	=back
2105		3191
2106	=cut	3192	=cut
2107		3193
2108	#############################################################################	3194	#############################################################################
		3195	# the server's init and main functions
2109		3196
2110	=head2 EXTENSION DATABASE SUPPORT	3197	sub load_facedata($) {
		3198	my ($path) = @_;
2111		3199
2112	Crossfire maintains a very simple database for extension use. It can	3200	# HACK to clear player env face cache, we need some signal framework
2113	currently store anything that can be serialised using Storable, which	3201	# for this (global event?)
2114	excludes objects.	3202	%ext::player_env::MUSIC_FACE_CACHE = ();
2115		3203
2116	The parameter C<$family> should best start with the name of the extension	3204	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2117	using it, it should be unique.
2118		3205
2119	=over 4	3206	warn "loading facedata from $path\n";
2120		3207
2121	=item $hashref = cf::db_get $family	3208	my $facedata;
		3209	0 < aio_load $path, $facedata
		3210	or die "$path: $!";
2122		3211
2123	Return a hashref for use by the extension C<$family>, which can be	3212	$facedata = Coro::Storable::thaw $facedata;
2124	modified. After modifications, you have to call C<cf::db_dirty> or
2125	C<cf::db_sync>.
2126		3213
2127	=item $value = cf::db_get $family => $key	3214	$facedata->{version} == 2
		3215	or cf::cleanup "$path: version mismatch, cannot proceed.";
2128		3216
2129	Returns a single value from the database	3217	# patch in the exptable
2130		3218	$facedata->{resource}{"res/exp_table"} = {
2131	=item cf::db_put $family => $hashref	3219	type => FT_RSRC,
2132		3220	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2133	Stores the given family hashref into the database. Updates are delayed, if
2134	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2135
2136	=item cf::db_put $family => $key => $value
2137
2138	Stores the given C<$value> in the family hash. Updates are delayed, if you
2139	want the data to be synced to disk immediately, use C<cf::db_sync>.
2140
2141	=item cf::db_dirty
2142
2143	Marks the database as dirty, to be updated at a later time.
2144
2145	=item cf::db_sync
2146
2147	Immediately write the database to disk I<if it is dirty>.
2148
2149	=cut
2150
2151	our $DB;
2152
2153	{
2154	my $path = cf::localdir . "/database.pst";
2155
2156	sub db_load() {
2157	$DB = stat $path ? Storable::retrieve $path : { };
2158	}
2159
2160	my $pid;
2161
2162	sub db_save() {
2163	waitpid $pid, 0 if $pid;
2164	if (0 == ($pid = fork)) {
2165	$DB->{_meta}{version} = 1;
2166	Storable::nstore $DB, "$path~";
2167	rename "$path~", $path;
2168	cf::_exit 0 if defined $pid;
2169	}
2170	}
2171
2172	my $dirty;
2173
2174	sub db_sync() {
2175	db_save if $dirty;
2176	undef $dirty;
2177	}
2178
2179	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2180	db_sync;
2181	});	3221	};
		3222	cf::cede_to_tick;
2182		3223
2183	sub db_dirty() {
2184	$dirty = 1;
2185	$idle->start;
2186	}	3224	{
		3225	my $faces = $facedata->{faceinfo};
2187		3226
2188	sub db_get($;$) {	3227	while (my ($face, $info) = each %$faces) {
2189	@_ >= 2	3228	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2190	? $DB->{$_[0]}{$_[1]}
2191	: ($DB->{$_[0]} ||= { })
2192	}
2193		3229
2194	sub db_put($$;$) {	3230	cf::face::set_visibility $idx, $info->{visibility};
2195	if (@_ >= 3) {	3231	cf::face::set_magicmap $idx, $info->{magicmap};
2196	$DB->{$_[0]}{$_[1]} = $_[2];	3232	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2197	} else {	3233	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2198	$DB->{$_[0]} = $_[1];
2199	}
2200	db_dirty;
2201	}
2202		3234
2203	cf::global->attach (	3235	cf::cede_to_tick;
2204	prio => 10000,
2205	on_cleanup => sub {
2206	db_sync;
2207	},	3236	}
2208	);
2209	}
2210		3237
2211	#############################################################################	3238	while (my ($face, $info) = each %$faces) {
2212	# the server's main()	3239	next unless $info->{smooth};
2213		3240
2214	sub cfg_load {	3241	my $idx = cf::face::find $face
		3242	or next;
		3243
		3244	if (my $smooth = cf::face::find $info->{smooth}) {
		3245	cf::face::set_smooth $idx, $smooth;
		3246	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3247	} else {
		3248	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3249	}
		3250
		3251	cf::cede_to_tick;
		3252	}
		3253	}
		3254
		3255	{
		3256	my $anims = $facedata->{animinfo};
		3257
		3258	while (my ($anim, $info) = each %$anims) {
		3259	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3260	cf::cede_to_tick;
		3261	}
		3262
		3263	cf::anim::invalidate_all; # d'oh
		3264	}
		3265
		3266	{
		3267	# TODO: for gcfclient pleasure, we should give resources
		3268	# that gcfclient doesn't grok a >10000 face index.
		3269	my $res = $facedata->{resource};
		3270
		3271	while (my ($name, $info) = each %$res) {
		3272	if (defined $info->{type}) {
		3273	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3274	my $data;
		3275
		3276	if ($info->{type} & 1) {
		3277	# prepend meta info
		3278
		3279	my $meta = $enc->encode ({
		3280	name => $name,
		3281	%{ $info->{meta} || {} },
		3282	});
		3283
		3284	$data = pack "(w/a*)*", $meta, $info->{data};
		3285	} else {
		3286	$data = $info->{data};
		3287	}
		3288
		3289	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3290	cf::face::set_type $idx, $info->{type};
		3291	} else {
		3292	$RESOURCE{$name} = $info;
		3293	}
		3294
		3295	cf::cede_to_tick;
		3296	}
		3297	}
		3298
		3299	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3300
		3301	1
		3302	}
		3303
		3304	cf::global->attach (on_resource_update => sub {
		3305	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3306	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3307
		3308	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3309	my $sound = $soundconf->{compat}[$_]
		3310	or next;
		3311
		3312	my $face = cf::face::find "sound/$sound->[1]";
		3313	cf::sound::set $sound->[0] => $face;
		3314	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3315	}
		3316
		3317	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3318	my $face = cf::face::find "sound/$v";
		3319	cf::sound::set $k => $face;
		3320	}
		3321	}
		3322	});
		3323
		3324	register_exticmd fx_want => sub {
		3325	my ($ns, $want) = @_;
		3326
		3327	while (my ($k, $v) = each %$want) {
		3328	$ns->fx_want ($k, $v);
		3329	}
		3330	};
		3331
		3332	sub load_resource_file($) {
		3333	my $guard = lock_acquire "load_resource_file";
		3334
		3335	my $status = load_resource_file_ $_[0];
		3336	get_slot 0.1, 100;
		3337	cf::arch::commit_load;
		3338
		3339	$status
		3340	}
		3341
		3342	sub reload_regions {
		3343	# HACK to clear player env face cache, we need some signal framework
		3344	# for this (global event?)
		3345	%ext::player_env::MUSIC_FACE_CACHE = ();
		3346
		3347	load_resource_file "$MAPDIR/regions"
		3348	or die "unable to load regions file\n";
		3349
		3350	for (cf::region::list) {
		3351	$_->{match} = qr/$_->{match}/
		3352	if exists $_->{match};
		3353	}
		3354	}
		3355
		3356	sub reload_facedata {
		3357	load_facedata "$DATADIR/facedata"
		3358	or die "unable to load facedata\n";
		3359	}
		3360
		3361	sub reload_archetypes {
		3362	load_resource_file "$DATADIR/archetypes"
		3363	or die "unable to load archetypes\n";
		3364	}
		3365
		3366	sub reload_treasures {
		3367	load_resource_file "$DATADIR/treasures"
		3368	or die "unable to load treasurelists\n";
		3369	}
		3370
		3371	sub reload_resources {
		3372	warn "reloading resource files...\n";
		3373
		3374	reload_facedata;
		3375	reload_archetypes;
		3376	reload_regions;
		3377	reload_treasures;
		3378
		3379	warn "finished reloading resource files\n";
		3380	}
		3381
		3382	sub reload_config {
2215	open my $fh, "<:utf8", cf::confdir . "/config"	3383	open my $fh, "<:utf8", "$CONFDIR/config"
2216	or return;	3384	or return;
2217		3385
2218	local $/;	3386	local $/;
2219	*CFG = YAML::Syck::Load <$fh>;	3387	*CFG = YAML::Load <$fh>;
2220		3388
2221	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3389	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2222		3390
2223	$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};
2224	$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};
…		…
2230	};	3398	};
2231	warn $@ if $@;	3399	warn $@ if $@;
2232	}	3400	}
2233	}	3401	}
2234		3402
		3403	sub pidfile() {
		3404	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3405	or die "$PIDFILE: $!";
		3406	flock $fh, &Fcntl::LOCK_EX
		3407	or die "$PIDFILE: flock: $!";
		3408	$fh
		3409	}
		3410
		3411	# make sure only one server instance is running at any one time
		3412	sub atomic {
		3413	my $fh = pidfile;
		3414
		3415	my $pid = <$fh>;
		3416	kill 9, $pid if $pid > 0;
		3417
		3418	seek $fh, 0, 0;
		3419	print $fh $$;
		3420	}
		3421
2235	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
2236	# we must not ever block the main coroutine	3438	# we must not ever block the main coroutine
2237	local $Coro::idle = sub {	3439	local $Coro::idle = sub {
2238	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#
2239	(async {	3441	(async {
2240	Event::one_event;	3442	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3443	EV::loop EV::LOOP_ONESHOT;
2241	})->prio (Coro::PRIO_MAX);	3444	})->prio (Coro::PRIO_MAX);
2242	};	3445	};
2243		3446
2244	cfg_load;	3447	evthread_start IO::AIO::poll_fileno;
2245	db_load;	3448
		3449	cf::sync_job {
		3450	reload_resources;
		3451	reload_config;
		3452	db_init;
		3453
		3454	cf::load_settings;
		3455	cf::load_materials;
		3456	cf::init_uuid;
		3457	cf::init_signals;
		3458	cf::init_commands;
		3459	cf::init_skills;
		3460
		3461	cf::init_beforeplay;
		3462
		3463	atomic;
		3464
2246	load_extensions;	3465	load_extensions;
		3466
		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
2247	Event::loop;	3475	EV::loop;
2248	}	3476	}
2249		3477
2250	#############################################################################	3478	#############################################################################
2251	# initialisation and cleanup	3479	# initialisation and cleanup
2252		3480
2253	# install some emergency cleanup handlers	3481	# install some emergency cleanup handlers
2254	BEGIN {	3482	BEGIN {
		3483	our %SIGWATCHER = ();
2255	for my $signal (qw(INT HUP TERM)) {	3484	for my $signal (qw(INT HUP TERM)) {
2256	Event->signal (	3485	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2257	data => WF_AUTOCANCEL,
2258	signal => $signal,
2259	cb => sub {
2260	cf::cleanup "SIG$signal";	3486	cf::cleanup "SIG$signal";
2261	},
2262	);	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
2263	}	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 };
2264	}	3575	}
2265		3576
2266	sub emergency_save() {	3577	sub emergency_save() {
2267	my $freeze_guard = cf::freeze_mainloop;	3578	my $freeze_guard = cf::freeze_mainloop;
2268		3579
2269	warn "enter emergency perl save\n";	3580	warn "emergency_perl_save: enter\n";
2270		3581
2271	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
2272	# use a peculiar iteration method to avoid tripping on perl	3588	# use a peculiar iteration method to avoid tripping on perl
2273	# refcount bugs in for. also avoids problems with players	3589	# refcount bugs in for. also avoids problems with players
2274	# and maps saved/destroyed asynchronously.	3590	# and maps saved/destroyed asynchronously.
2275	warn "begin emergency player save\n";	3591	warn "emergency_perl_save: begin player save\n";
2276	for my $login (keys %cf::PLAYER) {	3592	for my $login (keys %cf::PLAYER) {
2277	my $pl = $cf::PLAYER{$login} or next;	3593	my $pl = $cf::PLAYER{$login} or next;
2278	$pl->valid or next;	3594	$pl->valid or next;
		3595	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2279	$pl->save;	3596	$pl->save;
2280	}	3597	}
2281	warn "end emergency player save\n";	3598	warn "emergency_perl_save: end player save\n";
2282		3599
2283	warn "begin emergency map save\n";	3600	warn "emergency_perl_save: begin map save\n";
2284	for my $path (keys %cf::MAP) {	3601	for my $path (keys %cf::MAP) {
2285	my $map = $cf::MAP{$path} or next;	3602	my $map = $cf::MAP{$path} or next;
2286	$map->valid or next;	3603	$map->valid or next;
2287	$map->save;	3604	$map->save;
2288	}	3605	}
2289	warn "end emergency map save\n";	3606	warn "emergency_perl_save: end map save\n";
		3607
		3608	warn "emergency_perl_save: begin database checkpoint\n";
		3609	BDB::db_env_txn_checkpoint $DB_ENV;
		3610	warn "emergency_perl_save: end database checkpoint\n";
		3611
		3612	warn "emergency_perl_save: begin write uuid\n";
		3613	write_uuid_sync 1;
		3614	warn "emergency_perl_save: end write uuid\n";
2290	};	3615	};
2291		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
2292	warn "leave emergency perl save\n";	3622	warn "emergency_perl_save: leave\n";
2293	}	3623	}
2294		3624
		3625	sub post_cleanup {
		3626	my ($make_core) = @_;
		3627
		3628	warn Carp::longmess "post_cleanup backtrace"
		3629	if $make_core;
		3630
		3631	my $fh = pidfile;
		3632	unlink $PIDFILE if <$fh> == $$;
		3633	}
		3634
		3635	# a safer delete_package, copied from Symbol
		3636	sub clear_package($) {
		3637	my $pkg = shift;
		3638
		3639	# expand to full symbol table name if needed
		3640	unless ($pkg =~ /^main::.*::$/) {
		3641	$pkg = "main$pkg" if $pkg =~ /^::/;
		3642	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3643	$pkg .= '::' unless $pkg =~ /::$/;
		3644	}
		3645
		3646	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3647	my $stem_symtab = *{$stem}{HASH};
		3648
		3649	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3650	or return;
		3651
		3652	# clear all symbols
		3653	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3654	for my $name (keys %$leaf_symtab) {
		3655	_gv_clear *{"$pkg$name"};
		3656	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3657	}
		3658	warn "cleared package $pkg\n";#d#
		3659	}
		3660
2295	sub reload() {	3661	sub do_reload_perl() {
2296	# can/must only be called in main	3662	# can/must only be called in main
2297	if ($Coro::current != $Coro::main) {	3663	if ($Coro::current != $Coro::main) {
2298	warn "can only reload from main coroutine\n";	3664	warn "can only reload from main coroutine";
2299	return;	3665	return;
2300	}	3666	}
2301		3667
		3668	return if $RELOAD++;
		3669
		3670	my $t1 = EV::time;
		3671
		3672	while ($RELOAD) {
2302	warn "reloading...";	3673	warn "reloading...";
2303		3674
2304	warn "freezing server";	3675	warn "entering sync_job";
2305	my $guard = freeze_mainloop;	3676
		3677	cf::sync_job {
		3678	cf::write_runtime_sync; # external watchdog should not bark
2306	cf::emergency_save;	3679	cf::emergency_save;
		3680	cf::write_runtime_sync; # external watchdog should not bark
2307		3681
2308	warn "sync database to disk";	3682	warn "syncing database to disk";
2309	cf::db_sync;	3683	BDB::db_env_txn_checkpoint $DB_ENV;
2310	IO::AIO::flush;
2311		3684
2312	eval {
2313	# 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
2314		3686
2315	warn "cancel all watchers";	3687	warn "flushing outstanding aio requests";
2316	for (Event::all_watchers) {	3688	while (IO::AIO::nreqs || BDB::nreqs) {
2317	$_->cancel if $_->data & WF_AUTOCANCEL;	3689	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2318	}
2319
2320	warn "cancel all extension coros";
2321	$_->cancel for values %EXT_CORO;
2322	%EXT_CORO = ();
2323
2324	warn "remove commands";
2325	%COMMAND = ();
2326
2327	warn "remove ext commands";
2328	%EXTCMD = ();
2329
2330	warn "unload/nuke all extensions";
2331	for my $pkg (@EXTS) {
2332	warn "... unloading $pkg";
2333
2334	if (my $cb = $pkg->can ("unload")) {
2335	eval {
2336	$cb->($pkg);
2337	1
2338	} or warn "$pkg unloaded, but with errors: $@";
2339	}	3690	}
2340		3691
		3692	warn "cancelling all extension coros";
		3693	$_->cancel for values %EXT_CORO;
		3694	%EXT_CORO = ();
		3695
		3696	warn "removing commands";
		3697	%COMMAND = ();
		3698
		3699	warn "removing ext/exti commands";
		3700	%EXTCMD = ();
		3701	%EXTICMD = ();
		3702
		3703	warn "unloading/nuking all extensions";
		3704	for my $pkg (@EXTS) {
2341	warn "... nuking $pkg";	3705	warn "... unloading $pkg";
2342	Symbol::delete_package $pkg;
2343	}
2344		3706
2345	warn "unload all perl modules loaded from $LIBDIR";
2346	while (my ($k, $v) = each %INC) {
2347	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2348
2349	warn "removing <$k>";
2350	delete $INC{$k};
2351
2352	$k =~ s/\.pm$//;
2353	$k =~ s/\//::/g;
2354
2355	if (my $cb = $k->can ("unload_module")) {	3707	if (my $cb = $pkg->can ("unload")) {
		3708	eval {
2356	$cb->();	3709	$cb->($pkg);
		3710	1
		3711	} or warn "$pkg unloaded, but with errors: $@";
		3712	}
		3713
		3714	warn "... clearing $pkg";
		3715	clear_package $pkg;
2357	}	3716	}
2358		3717
2359	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 $k;
2360	}	3733	}
2361		3734
2362	warn "get rid of safe::, as good as possible";	3735	warn "getting rid of safe::, as good as possible";
2363	Symbol::delete_package "safe::$_"	3736	clear_package "safe::$_"
2364	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);
2365		3738
2366	warn "unload cf.pm \"a bit\"";	3739	warn "unloading cf.pm \"a bit\"";
2367	delete $INC{"cf.pm"};	3740	delete $INC{"cf.pm"};
		3741	delete $INC{"cf/pod.pm"};
2368		3742
2369	# don't, removes xs symbols, too,	3743	# don't, removes xs symbols, too,
2370	# and global variables created in xs	3744	# and global variables created in xs
2371	#Symbol::delete_package __PACKAGE__;	3745	#clear_package __PACKAGE__;
2372		3746
		3747	warn "unload completed, starting to reload now";
		3748
2373	warn "reloading cf.pm";	3749	warn "reloading cf.pm";
2374	require cf;	3750	require cf;
2375	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3751	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2376		3752
2377	warn "load config and database again";	3753	warn "loading config and database again";
2378	cf::cfg_load;	3754	cf::reload_config;
2379	cf::db_load;
2380		3755
2381	warn "load extensions";	3756	warn "loading extensions";
2382	cf::load_extensions;	3757	cf::load_extensions;
2383		3758
		3759	if ($REATTACH_ON_RELOAD) {
2384	warn "reattach attachments to objects/players";	3760	warn "reattaching attachments to objects/players";
2385	_global_reattach;	3761	_global_reattach; # objects, sockets
2386	warn "reattach attachments to maps";	3762	warn "reattaching attachments to maps";
2387	reattach $_ for values %MAP;	3763	reattach $_ for values %MAP;
		3764	warn "reattaching attachments to players";
		3765	reattach $_ for values %PLAYER;
		3766	}
		3767
		3768	warn "running post_init jobs";
		3769	(pop @POST_INIT)->(1) while @POST_INIT;
		3770
		3771	warn "leaving sync_job";
		3772
		3773	1
		3774	} or do {
		3775	warn $@;
		3776	cf::cleanup "error while reloading, exiting.";
		3777	};
		3778
		3779	warn "reloaded";
		3780	--$RELOAD;
		3781	}
		3782
		3783	$t1 = EV::time - $t1;
		3784	warn "reload completed in ${t1}s\n";
		3785	};
		3786
		3787	our $RELOAD_WATCHER; # used only during reload
		3788
		3789	sub reload_perl() {
		3790	# doing reload synchronously and two reloads happen back-to-back,
		3791	# coro crashes during coro_state_free->destroy here.
		3792
		3793	$RELOAD_WATCHER ||= cf::async {
		3794	Coro::AIO::aio_wait cache_extensions;
		3795
		3796	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3797	do_reload_perl;
		3798	undef $RELOAD_WATCHER;
		3799	};
2388	};	3800	};
2389		3801	}
2390	if ($@) {
2391	warn $@;
2392	warn "error while reloading, exiting.";
2393	exit 1;
2394	}
2395
2396	warn "reloaded";
2397	};
2398
2399	our $RELOAD_WATCHER; # used only during reload
2400		3802
2401	register_command "reload" => sub {	3803	register_command "reload" => sub {
2402	my ($who, $arg) = @_;	3804	my ($who, $arg) = @_;
2403		3805
2404	if ($who->flag (FLAG_WIZ)) {	3806	if ($who->flag (FLAG_WIZ)) {
2405	$who->message ("reloading server.");	3807	$who->message ("reloading server.");
2406		3808	async {
2407	# doing reload synchronously and two reloads happen back-to-back,	3809	$Coro::current->{desc} = "perl_reload";
2408	# coro crashes during coro_state_free->destroy here.
2409
2410	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2411	reload;	3810	reload_perl;
2412	undef $RELOAD_WATCHER;
2413	});	3811	};
2414	}	3812	}
2415	};	3813	};
2416		3814
2417	unshift @INC, $LIBDIR;	3815	unshift @INC, $LIBDIR;
2418		3816
2419	$TICK_WATCHER = Event->timer (	3817	my $bug_warning = 0;
2420	reentrant => 0,
2421	prio => 0,
2422	at => $NEXT_TICK || $TICK,
2423	data => WF_AUTOCANCEL,
2424	cb => sub {
2425	$NOW = Event::time;
2426		3818
		3819	our @WAIT_FOR_TICK;
		3820	our @WAIT_FOR_TICK_BEGIN;
		3821
		3822	sub wait_for_tick {
		3823	return if tick_inhibit || $Coro::current == $Coro::main;
		3824
		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	$signal->wait;
		3836	}
		3837
		3838	sub tick {
		3839	if ($Coro::current != $Coro::main) {
		3840	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3841	unless ++$bug_warning > 10;
		3842	return;
		3843	}
		3844
2427	cf::server_tick; # one server iteration	3845	cf::server_tick; # one server iteration
2428	$RUNTIME += $TICK;
2429	$NEXT_TICK += $TICK;
2430		3846
2431	$WAIT_FOR_TICK->broadcast;	3847	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2432	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3848	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2433		3849	Coro::async_pool {
2434	# if we are delayed by four ticks or more, skip them all	3850	$Coro::current->{desc} = "runtime saver";
2435	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2436
2437	$TICK_WATCHER->at ($NEXT_TICK);
2438	$TICK_WATCHER->start;
2439	},
2440	);
2441
2442	IO::AIO::max_poll_time $TICK * 0.2;
2443
2444	$AIO_POLL_WATCHER = Event->io (
2445	fd => IO::AIO::poll_fileno,
2446	poll => 'r',
2447	prio => 5,
2448	data => WF_AUTOCANCEL,
2449	cb => \&IO::AIO::poll_cb,
2450	);
2451
2452	$WRITE_RUNTIME_WATCHER = Event->timer (
2453	data => WF_AUTOCANCEL,
2454	after => 0,
2455	interval => 10,
2456	cb => sub {
2457	(Coro::unblock_sub {
2458	write_runtime	3851	write_runtime_sync
2459	or warn "ERROR: unable to write runtime file: $!";	3852	or warn "ERROR: unable to write runtime file: $!";
2460	})->();	3853	};
2461	},	3854	}
2462	);	3855
		3856	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3857	$sig->send;
		3858	}
		3859	while (my $sig = shift @WAIT_FOR_TICK) {
		3860	$sig->send;
		3861	}
		3862
		3863	$LOAD = ($NOW - $TICK_START) / $TICK;
		3864	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3865
		3866	if (0) {
		3867	if ($NEXT_TICK) {
		3868	my $jitter = $TICK_START - $NEXT_TICK;
		3869	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3870	warn "jitter $JITTER\n";#d#
		3871	}
		3872	}
		3873	}
		3874
		3875	{
		3876	# configure BDB
		3877
		3878	BDB::min_parallel 8;
		3879	BDB::max_poll_reqs $TICK * 0.1;
		3880	$AnyEvent::BDB::WATCHER->priority (1);
		3881
		3882	unless ($DB_ENV) {
		3883	$DB_ENV = BDB::db_env_create;
		3884	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3885	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3886	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3887	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3888	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3889
		3890	cf::sync_job {
		3891	eval {
		3892	BDB::db_env_open
		3893	$DB_ENV,
		3894	$BDBDIR,
		3895	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3896	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3897	0666;
		3898
		3899	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3900	};
		3901
		3902	cf::cleanup "db_env_open(db): $@" if $@;
		3903	};
		3904	}
		3905
		3906	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3907	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3908	};
		3909	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3910	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3911	};
		3912	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3913	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3914	};
		3915	}
		3916
		3917	{
		3918	# configure IO::AIO
		3919
		3920	IO::AIO::min_parallel 8;
		3921	IO::AIO::max_poll_time $TICK * 0.1;
		3922	undef $AnyEvent::AIO::WATCHER;
		3923	}
		3924
		3925	my $_log_backtrace;
		3926
		3927	sub _log_backtrace {
		3928	my ($msg, @addr) = @_;
		3929
		3930	$msg =~ s/\n//;
		3931
		3932	# limit the # of concurrent backtraces
		3933	if ($_log_backtrace < 2) {
		3934	++$_log_backtrace;
		3935	my $perl_bt = Carp::longmess $msg;
		3936	async {
		3937	$Coro::current->{desc} = "abt $msg";
		3938
		3939	my @bt = fork_call {
		3940	@addr = map { sprintf "%x", $_ } @addr;
		3941	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3942	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3943	or die "addr2line: $!";
		3944
		3945	my @funcs;
		3946	my @res = <$fh>;
		3947	chomp for @res;
		3948	while (@res) {
		3949	my ($func, $line) = splice @res, 0, 2, ();
		3950	push @funcs, "[$func] $line";
		3951	}
		3952
		3953	@funcs
		3954	};
		3955
		3956	LOG llevInfo, "[ABT] $perl_bt\n";
		3957	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3958	LOG llevInfo, "[ABT] $_\n" for @bt;
		3959	--$_log_backtrace;
		3960	};
		3961	} else {
		3962	LOG llevInfo, "[ABT] $msg\n";
		3963	LOG llevInfo, "[ABT] [suppressed]\n";
		3964	}
		3965	}
		3966
		3967	# load additional modules
		3968	use cf::pod;
2463		3969
2464	END { cf::emergency_save }	3970	END { cf::emergency_save }
2465		3971
2466	1	3972	1
2467		3973

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