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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.156 by root, Tue Jan 9 22:07:08 2007 UTC vs.
Revision 1.464 by root, Thu Jan 1 18:35:48 2009 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
		37	use Guard ();
13	use Coro 3.3 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
		54	use BDB ();
20	use Data::Dumper;	55	use Data::Dumper;
21	use Digest::MD5;	56	use Digest::MD5;
22	use Fcntl;	57	use Fcntl;
		58	use YAML ();
23	use IO::AIO 2.32 ();	59	use IO::AIO ();
24	use YAML::Syck ();
25	use Time::HiRes;	60	use Time::HiRes;
		61	use Compress::LZF;
		62	use Digest::MD5 ();
26		63
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	64	AnyEvent::detect;
		65
		66	# configure various modules to our taste
		67	#
		68	$Storable::canonical = 1; # reduce rsync transfers
		69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
28		76
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	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		78
36	our %COMMAND = ();	79	our %COMMAND = ();
37	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
		81
		82	our @EXTS = (); # list of extension package names
38	our %EXTCMD = ();	83	our %EXTCMD = ();
		84	our %EXTICMD = ();
		85	our %EXT_CORO = (); # coroutines bound to extensions
		86	our %EXT_MAP = (); # pluggable maps
39		87
		88	our $RELOAD; # number of reloads so far, non-zero while in reload
40	our @EVENT;	89	our @EVENT;
41	our $LIBDIR = datadir . "/ext";
42		90
43	our $TICK = MAX_TIME * 1e-6;	91	our $CONFDIR = confdir;
44	our $TICK_WATCHER;	92	our $DATADIR = datadir;
		93	our $LIBDIR = "$DATADIR/ext";
		94	our $PODDIR = "$DATADIR/pod";
		95	our $MAPDIR = "$DATADIR/" . mapdir;
		96	our $LOCALDIR = localdir;
		97	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		98	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		99	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		100	our $RANDOMDIR = "$LOCALDIR/random";
		101	our $BDBDIR = "$LOCALDIR/db";
		102	our $PIDFILE = "$LOCALDIR/pid";
		103	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		104
		105	our %RESOURCE;
		106
		107	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		108	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45	our $NEXT_TICK;	109	our $NEXT_TICK;
46	our $NOW;	110	our $USE_FSYNC = 1; # use fsync to write maps - default off
		111
		112	our $BDB_DEADLOCK_WATCHER;
		113	our $BDB_CHECKPOINT_WATCHER;
		114	our $BDB_TRICKLE_WATCHER;
		115	our $DB_ENV;
47		116
48	our %CFG;	117	our %CFG;
49		118
50	our $UPTIME; $UPTIME ||= time;	119	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	120	our $RUNTIME;
		121	our $NOW;
52		122
53	our %PLAYER; # all users	123	our (%PLAYER, %PLAYER_LOADING); # all users
54	our %MAP; # all maps	124	our (%MAP, %MAP_LOADING ); # all maps
55	our $LINK_MAP; # the special {link} map	125	our $LINK_MAP; # the special {link} map, which is always available
56	our $RANDOM_MAPS = cf::localdir . "/random";
57	our %EXT_CORO; # coroutines bound to extensions
58		126
59	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	127	# used to convert map paths into valid unix filenames by replacing / by ∕
60	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	128	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		129
		130	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		131	our $LOADAVG; # same thing, but with alpha-smoothing
		132	our $JITTER; # average jitter
		133	our $TICK_START; # for load detecting purposes
		134
		135	our @POST_INIT;
		136
		137	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
61		138
62	binmode STDOUT;	139	binmode STDOUT;
63	binmode STDERR;	140	binmode STDERR;
64		141
65	# read virtual server time, if available	142	# read virtual server time, if available
66	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	143	unless ($RUNTIME || !-e $RUNTIMEFILE) {
67	open my $fh, "<", cf::localdir . "/runtime"	144	open my $fh, "<", $RUNTIMEFILE
68	or die "unable to read runtime file: $!";	145	or die "unable to read $RUNTIMEFILE file: $!";
69	$RUNTIME = <$fh> + 0.;	146	$RUNTIME = <$fh> + 0.;
70	}	147	}
71		148
72	mkdir cf::localdir;	149	mkdir $_
73	mkdir cf::localdir . "/" . cf::playerdir;	150	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
74	mkdir cf::localdir . "/" . cf::tmpdir;
75	mkdir cf::localdir . "/" . cf::uniquedir;
76	mkdir $RANDOM_MAPS;
77		151
78	# a special map that is always available
79	our $LINK_MAP;
80	our $EMERGENCY_POSITION;	152	our $EMERGENCY_POSITION;
		153
		154	sub cf::map::normalise;
81		155
82	#############################################################################	156	#############################################################################
83		157
84	=head2 GLOBAL VARIABLES	158	=head2 GLOBAL VARIABLES
85		159
…		…
92	=item $cf::RUNTIME	166	=item $cf::RUNTIME
93		167
94	The time this server has run, starts at 0 and is increased by $cf::TICK on	168	The time this server has run, starts at 0 and is increased by $cf::TICK on
95	every server tick.	169	every server tick.
96		170
97	=item $cf::LIBDIR	171	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		172	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		173	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
98		174
99	The perl library directory, where extensions and cf-specific modules can	175	Various directories - "/etc", read-only install directory, perl-library
100	be found. It will be added to C<@INC> automatically.	176	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		177	unique-items directory, player file directory, random maps directory and
		178	database environment.
101		179
102	=item $cf::NOW	180	=item $cf::NOW
103		181
104	The time of the last (current) server tick.	182	The time of the last (current) server tick.
105		183
106	=item $cf::TICK	184	=item $cf::TICK
107		185
108	The interval between server ticks, in seconds.	186	The interval between server ticks, in seconds.
109		187
		188	=item $cf::LOADAVG
		189
		190	The current CPU load on the server (alpha-smoothed), as a value between 0
		191	(none) and 1 (overloaded), indicating how much time is spent on processing
		192	objects per tick. Healthy values are < 0.5.
		193
		194	=item $cf::LOAD
		195
		196	The raw value load value from the last tick.
		197
110	=item %cf::CFG	198	=item %cf::CFG
111		199
112	Configuration for the server, loaded from C</etc/crossfire/config>, or	200	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
113	from wherever your confdir points to.	201	from wherever your confdir points to.
114		202
115	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	203	=item cf::wait_for_tick, cf::wait_for_tick_begin
116		204
117	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	205	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
118	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	206	returns directly I<after> the tick processing (and consequently, can only wake one process
119	processing has been done. Call C<< ->wait >> on them to maximise the	207	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
120	window of cpu time available, or simply to synchronise to the server tick.	208
		209	=item @cf::INVOKE_RESULTS
		210
		211	This array contains the results of the last C<invoke ()> call. When
		212	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		213	that call.
121		214
122	=back	215	=back
123		216
124	=cut	217	=cut
125		218
126	BEGIN {	219	BEGIN {
127	*CORE::GLOBAL::warn = sub {	220	*CORE::GLOBAL::warn = sub {
128	my $msg = join "", @_;	221	my $msg = join "", @_;
129	utf8::encode $msg;
130		222
131	$msg .= "\n"	223	$msg .= "\n"
132	unless $msg =~ /\n$/;	224	unless $msg =~ /\n$/;
133		225
		226	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		227
134	LOG llevError, $msg;	228	LOG llevError, $msg;
135	};	229	};
136	}	230	}
		231
		232	$Coro::State::DIEHOOK = sub {
		233	return unless $^S eq 0; # "eq", not "=="
		234
		235	if ($Coro::current == $Coro::main) {#d#
		236	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		237	return;#d#
		238	}#d#
		239
		240	# kill coroutine otherwise
		241	warn Carp::longmess $_[0];
		242	Coro::terminate
		243	};
		244
		245	$SIG{__DIE__} = sub { }; #d#?
137		246
138	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	247	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
139	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	248	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
140	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	249	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
141	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	250	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
142	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	251	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		252	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
143	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	253	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
144		254
145	# we bless all objects into (empty) derived classes to force a method lookup	255	# we bless all objects into (empty) derived classes to force a method lookup
146	# within the Safe compartment.	256	# within the Safe compartment.
147	for my $pkg (qw(	257	for my $pkg (qw(
148	cf::global cf::attachable	258	cf::global cf::attachable
149	cf::object cf::object::player	259	cf::object cf::object::player
150	cf::client cf::player	260	cf::client cf::player
151	cf::arch cf::living	261	cf::arch cf::living
		262	cf::map cf::mapspace
152	cf::map cf::party cf::region	263	cf::party cf::region
153	)) {	264	)) {
154	no strict 'refs';
155	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	265	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
156	}	266	}
157		267
158	$Event::DIED = sub {	268	$EV::DIED = sub {
159	warn "error in event callback: @_";	269	warn "error in event callback: @_";
160	};	270	};
161		271
162	my %ext_pkg;	272	#############################################################################
163	my @exts;
164	my @hook;
165		273
166	=head2 UTILITY FUNCTIONS	274	=head2 UTILITY FUNCTIONS
167		275
168	=over 4	276	=over 4
169		277
…		…
188	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	296	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189	$d	297	$d
190	} || "[unable to dump $_[0]: '$@']";	298	} || "[unable to dump $_[0]: '$@']";
191	}	299	}
192		300
193	use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195	=item $ref = cf::from_json $json	301	=item $ref = cf::decode_json $json
196		302
197	Converts a JSON string into the corresponding perl data structure.	303	Converts a JSON string into the corresponding perl data structure.
198		304
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	305	=item $json = cf::encode_json $ref
207		306
208	Converts a perl data structure into its JSON representation.	307	Converts a perl data structure into its JSON representation.
209		308
210	=cut	309	=cut
211		310
212	sub to_json($) {	311	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	312
214	JSON::Syck::Dump $_[0]	313	sub encode_json($) { $json_coder->encode ($_[0]) }
		314	sub decode_json($) { $json_coder->decode ($_[0]) }
		315
		316	=item cf::post_init { BLOCK }
		317
		318	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		319	but I<before> the server starts ticking again.
		320
		321	The cdoeblock will have a single boolean argument to indicate whether this
		322	is a reload or not.
		323
		324	=cut
		325
		326	sub post_init(&) {
		327	push @POST_INIT, shift;
215	}	328	}
216		329
217	=item cf::lock_wait $string	330	=item cf::lock_wait $string
218		331
219	Wait until the given lock is available. See cf::lock_acquire.	332	Wait until the given lock is available. See cf::lock_acquire.
220		333
221	=item my $lock = cf::lock_acquire $string	334	=item my $lock = cf::lock_acquire $string
222		335
223	Wait until the given lock is available and then acquires it and returns	336	Wait until the given lock is available and then acquires it and returns
224	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	337	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
225	for example when the coroutine gets canceled), the lock is automatically	338	for example when the coroutine gets canceled), the lock is automatically
226	returned.	339	returned.
227		340
		341	Locks are *not* recursive, locking from the same coro twice results in a
		342	deadlocked coro.
		343
228	Lock names should begin with a unique identifier (for example, cf::map::find	344	Lock names should begin with a unique identifier (for example, cf::map::find
229	uses map_find and cf::map::load uses map_load).	345	uses map_find and cf::map::load uses map_load).
230		346
231	=cut	347	=item $locked = cf::lock_active $string
232		348
233	our %LOCK;	349	Return true if the lock is currently active, i.e. somebody has locked it.
		350
		351	=cut
		352
		353	our $LOCKS = new Coro::SemaphoreSet;
234		354
235	sub lock_wait($) {	355	sub lock_wait($) {
236	my ($key) = @_;	356	$LOCKS->wait ($_[0]);
237
238	# wait for lock, if any
239	while ($LOCK{$key}) {
240	push @{ $LOCK{$key} }, $Coro::current;
241	Coro::schedule;
242	}
243	}	357	}
244		358
245	sub lock_acquire($) {	359	sub lock_acquire($) {
246	my ($key) = @_;	360	$LOCKS->guard ($_[0])
		361	}
247		362
248	# wait, to be sure we are not locked	363	sub lock_active($) {
249	lock_wait $key;	364	$LOCKS->count ($_[0]) < 1
250
251	$LOCK{$key} = [];
252
253	Coro::guard {
254	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };
256	}
257	}	365	}
258		366
259	sub freeze_mainloop {	367	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
261		369
262	my $guard = Coro::guard { $TICK_WATCHER->start };	370	&Guard::guard (\&tick_inhibit_dec);
263	$TICK_WATCHER->stop;	371	}
264	$guard	372
		373	=item cf::periodic $interval, $cb
		374
		375	Like EV::periodic, but randomly selects a starting point so that the actions
		376	get spread over timer.
		377
		378	=cut
		379
		380	sub periodic($$) {
		381	my ($interval, $cb) = @_;
		382
		383	my $start = rand List::Util::min 180, $interval;
		384
		385	EV::periodic $start, $interval, 0, $cb
		386	}
		387
		388	=item cf::get_slot $time[, $priority[, $name]]
		389
		390	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		391	This call blocks and returns only when you have at least C<$time> seconds
		392	of cpu time till the next tick. The slot is only valid till the next cede.
		393
		394	The optional C<$name> can be used to identify the job to run. It might be
		395	used for statistical purposes and should identify the same time-class.
		396
		397	Useful for short background jobs.
		398
		399	=cut
		400
		401	our @SLOT_QUEUE;
		402	our $SLOT_QUEUE;
		403
		404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		405	$SLOT_QUEUE = Coro::async {
		406	$Coro::current->desc ("timeslot manager");
		407
		408	my $signal = new Coro::Signal;
		409
		410	while () {
		411	next_job:
		412	my $avail = cf::till_tick;
		413	if ($avail > 0.01) {
		414	for (0 .. $#SLOT_QUEUE) {
		415	if ($SLOT_QUEUE[$_][0] < $avail) {
		416	my $job = splice @SLOT_QUEUE, $_, 1, ();
		417	$job->[2]->send;
		418	Coro::cede;
		419	goto next_job;
		420	}
		421	}
		422	}
		423
		424	if (@SLOT_QUEUE) {
		425	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		426	push @cf::WAIT_FOR_TICK, $signal;
		427	$signal->wait;
		428	} else {
		429	Coro::schedule;
		430	}
		431	}
		432	};
		433
		434	sub get_slot($;$$) {
		435	return if tick_inhibit || $Coro::current == $Coro::main;
		436
		437	my ($time, $pri, $name) = @_;
		438
		439	$time = $TICK * .6 if $time > $TICK * .6;
		440	my $sig = new Coro::Signal;
		441
		442	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		443	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		444	$SLOT_QUEUE->ready;
		445	$sig->wait;
265	}	446	}
266		447
267	=item cf::async { BLOCK }	448	=item cf::async { BLOCK }
268		449
269	Currently the same as Coro::async_pool, meaning you cannot use	450	Currently the same as Coro::async_pool, meaning you cannot use
…		…
274		455
275	BEGIN { *async = \&Coro::async_pool }	456	BEGIN { *async = \&Coro::async_pool }
276		457
277	=item cf::sync_job { BLOCK }	458	=item cf::sync_job { BLOCK }
278		459
279	The design of crossfire+ requires that the main coro ($Coro::main) is	460	The design of Deliantra requires that the main coroutine ($Coro::main)
280	always able to handle events or runnable, as crossfire+ is only partly	461	is always able to handle events or runnable, as Deliantra is only
281	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	462	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		463	acceptable.
282		464
283	If it must be done, put the blocking parts into C<sync_job>. This will run	465	If it must be done, put the blocking parts into C<sync_job>. This will run
284	the given BLOCK in another coroutine while waiting for the result. The	466	the given BLOCK in another coroutine while waiting for the result. The
285	server will be frozen during this time, so the block should either finish	467	server will be frozen during this time, so the block should either finish
286	fast or be very important.	468	fast or be very important.
…		…
289		471
290	sub sync_job(&) {	472	sub sync_job(&) {
291	my ($job) = @_;	473	my ($job) = @_;
292		474
293	if ($Coro::current == $Coro::main) {	475	if ($Coro::current == $Coro::main) {
		476	my $time = EV::time;
		477
294	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
296		480
297	# TODO: use suspend/resume instead	481	LOG llevError, Carp::longmess "sync job";#d#
298	# (but this is cancel-safe)	482
299	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
300		484
301	my $busy = 1;	485	my $busy = 1;
302	my @res;	486	my @res;
303		487
304	(async {	488	(async {
		489	$Coro::current->desc ("sync job coro");
305	@res = eval { $job->() };	490	@res = eval { $job->() };
306	warn $@ if $@;	491	warn $@ if $@;
307	undef $busy;	492	undef $busy;
308	})->prio (Coro::PRIO_MAX);	493	})->prio (Coro::PRIO_MAX);
309		494
310	while ($busy) {	495	while ($busy) {
311	Coro::cede or Event::one_event;	496	if (Coro::nready) {
		497	Coro::cede_notself;
		498	} else {
		499	EV::loop EV::LOOP_ONESHOT;
312	}	500	}
		501	}
		502
		503	my $time = EV::time - $time;
		504
		505	$TICK_START += $time; # do not account sync jobs to server load
313		506
314	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
315	} else {	508	} else {
316	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
317		510
…		…
319	}	512	}
320	}	513	}
321		514
322	=item $coro = cf::async_ext { BLOCK }	515	=item $coro = cf::async_ext { BLOCK }
323		516
324	Like async, but this coro is automcatially being canceled when the	517	Like async, but this coro is automatically being canceled when the
325	extension calling this is being unloaded.	518	extension calling this is being unloaded.
326		519
327	=cut	520	=cut
328		521
329	sub async_ext(&) {	522	sub async_ext(&) {
…		…
337	$EXT_CORO{$coro+0} = $coro;	530	$EXT_CORO{$coro+0} = $coro;
338		531
339	$coro	532	$coro
340	}	533	}
341		534
342	sub write_runtime {	535	=item fork_call { }, $args
343	my $runtime = cf::localdir . "/runtime";
344		536
345	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	537	Executes the given code block with the given arguments in a seperate
346	or return;	538	process, returning the results. Everything must be serialisable with
		539	Coro::Storable. May, of course, block. Note that the executed sub may
		540	never block itself or use any form of event handling.
347		541
348	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	542	=cut
349	(aio_write $fh, 0, (length $value), $value, 0) <= 0
350	and return;
351		543
352	aio_fsync $fh	544	sub fork_call(&@) {
353	and return;	545	my ($cb, @args) = @_;
354		546
355	close $fh	547	# we seemingly have to make a local copy of the whole thing,
356	or return;	548	# otherwise perl prematurely frees the stuff :/
		549	# TODO: investigate and fix (likely this will be rather laborious)
357		550
358	aio_rename "$runtime~", $runtime	551	my @res = Coro::Util::fork_eval {
359	and return;	552	reset_signals;
		553	&$cb
		554	}, @args;
360		555
		556	wantarray ? @res : $res[-1]
		557	}
		558
		559	=item $coin = coin_from_name $name
		560
		561	=cut
		562
		563	our %coin_alias = (
		564	"silver" => "silvercoin",
		565	"silvercoin" => "silvercoin",
		566	"silvercoins" => "silvercoin",
		567	"gold" => "goldcoin",
		568	"goldcoin" => "goldcoin",
		569	"goldcoins" => "goldcoin",
		570	"platinum" => "platinacoin",
		571	"platinumcoin" => "platinacoin",
		572	"platinumcoins" => "platinacoin",
		573	"platina" => "platinacoin",
		574	"platinacoin" => "platinacoin",
		575	"platinacoins" => "platinacoin",
		576	"royalty" => "royalty",
		577	"royalties" => "royalty",
		578	);
		579
		580	sub coin_from_name($) {
		581	$coin_alias{$_[0]}
		582	? cf::arch::find $coin_alias{$_[0]}
		583	: undef
		584	}
		585
		586	=item $value = cf::db_get $family => $key
		587
		588	Returns a single value from the environment database.
		589
		590	=item cf::db_put $family => $key => $value
		591
		592	Stores the given C<$value> in the family. It can currently store binary
		593	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		594
		595	=item $db = cf::db_table "name"
		596
		597	Create and/or open a new database table. The string must not be "db" and must be unique
		598	within each server.
		599
		600	=cut
		601
		602	sub db_table($) {
		603	my ($name) = @_;
		604	my $db = BDB::db_create $DB_ENV;
		605
		606	eval {
		607	$db->set_flags (BDB::CHKSUM);
		608
		609	utf8::encode $name;
		610	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		611	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		612	cf::cleanup "db_open(db): $!" if $!;
		613	};
		614	cf::cleanup "db_open(db): $@" if $@;
		615
		616	$db
		617	}
		618
		619	our $DB;
		620
		621	sub db_init {
		622	cf::sync_job {
		623	$DB ||= db_table "db";
		624	};
		625	}
		626
		627	sub db_get($$) {
		628	my $key = "$_[0]/$_[1]";
		629
		630	cf::sync_job {
		631	BDB::db_get $DB, undef, $key, my $data;
		632
		633	$! ? ()
		634	: $data
361	1	635	}
		636	}
		637
		638	sub db_put($$$) {
		639	BDB::dbreq_pri 4;
		640	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		641	}
		642
		643	=item cf::cache $id => [$paths...], $processversion => $process
		644
		645	Generic caching function that returns the value of the resource $id,
		646	caching and regenerating as required.
		647
		648	This function can block.
		649
		650	=cut
		651
		652	sub cache {
		653	my ($id, $src, $processversion, $process) = @_;
		654
		655	my $meta =
		656	join "\x00",
		657	$processversion,
		658	map {
		659	aio_stat $_
		660	and Carp::croak "$_: $!";
		661
		662	($_, (stat _)[7,9])
		663	} @$src;
		664
		665	my $dbmeta = db_get cache => "$id/meta";
		666	if ($dbmeta ne $meta) {
		667	# changed, we may need to process
		668
		669	my @data;
		670	my $md5;
		671
		672	for (0 .. $#$src) {
		673	0 <= aio_load $src->[$_], $data[$_]
		674	or Carp::croak "$src->[$_]: $!";
		675	}
		676
		677	# if processing is expensive, check
		678	# checksum first
		679	if (1) {
		680	$md5 =
		681	join "\x00",
		682	$processversion,
		683	map {
		684	cf::cede_to_tick;
		685	($src->[$_], Digest::MD5::md5_hex $data[$_])
		686	} 0.. $#$src;
		687
		688
		689	my $dbmd5 = db_get cache => "$id/md5";
		690	if ($dbmd5 eq $md5) {
		691	db_put cache => "$id/meta", $meta;
		692
		693	return db_get cache => "$id/data";
		694	}
		695	}
		696
		697	my $t1 = Time::HiRes::time;
		698	my $data = $process->(\@data);
		699	my $t2 = Time::HiRes::time;
		700
		701	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		702
		703	db_put cache => "$id/data", $data;
		704	db_put cache => "$id/md5" , $md5;
		705	db_put cache => "$id/meta", $meta;
		706
		707	return $data;
		708	}
		709
		710	db_get cache => "$id/data"
		711	}
		712
		713	=item cf::datalog type => key => value, ...
		714
		715	Log a datalog packet of the given type with the given key-value pairs.
		716
		717	=cut
		718
		719	sub datalog($@) {
		720	my ($type, %kv) = @_;
		721	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
362	}	722	}
363		723
364	=back	724	=back
365		725
366	=cut	726	=cut
367		727
368	#############################################################################	728	#############################################################################
369		729
370	package cf::path;
371
372	# used to convert map paths into valid unix filenames by repalcing / by ∕
373	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
374
375	sub new {
376	my ($class, $path, $base) = @_;
377
378	$path = $path->as_string if ref $path;
379
380	my $self = bless { }, $class;
381
382	# {... are special paths that are not touched
383	# ?xxx/... are special absolute paths
384	# ?random/... random maps
385	# /! non-realised random map exit
386	# /... normal maps
387	# ~/... per-player maps without a specific player (DO NOT USE)
388	# ~user/... per-player map of a specific user
389
390	if ($path =~ /^{/) {
391	# fine as it is
392	} elsif ($path =~ s{^\?random/}{}) {
393	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
394	$self->{random} = cf::from_json $data;
395	} else {
396	if ($path =~ s{^~([^/]+)?}{}) {
397	$self->{user_rel} = 1;
398
399	if (defined $1) {
400	$self->{user} = $1;
401	} elsif ($base =~ m{^~([^/]+)/}) {
402	$self->{user} = $1;
403	} else {
404	warn "cannot resolve user-relative path without user <$path,$base>\n";
405	}
406	} elsif ($path =~ /^\//) {
407	# already absolute
408	} else {
409	$base =~ s{[^/]+/?$}{};
410	return $class->new ("$base/$path");
411	}
412
413	for ($path) {
414	redo if s{/\.?/}{/};
415	redo if s{/[^/]+/\.\./}{/};
416	}
417	}
418
419	$self->{path} = $path;
420
421	$self
422	}
423
424	# the name / primary key / in-game path
425	sub as_string {
426	my ($self) = @_;
427
428	$self->{user_rel} ? "~$self->{user}$self->{path}"
429	: $self->{random} ? "?random/$self->{path}"
430	: $self->{path}
431	}
432
433	# the displayed name, this is a one way mapping
434	sub visible_name {
435	my ($self) = @_;
436
437	# if (my $rmp = $self->{random}) {
438	# # todo: be more intelligent about this
439	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
440	# } else {
441	$self->as_string
442	# }
443	}
444
445	# escape the /'s in the path
446	sub _escaped_path {
447	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
448	$path
449	}
450
451	# the original (read-only) location
452	sub load_path {
453	my ($self) = @_;
454
455	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
456	}
457
458	# the temporary/swap location
459	sub save_path {
460	my ($self) = @_;
461
462	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
463	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
464	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
465	}
466
467	# the unique path, might be eq to save_path
468	sub uniq_path {
469	my ($self) = @_;
470
471	$self->{user_rel} || $self->{random}
472	? undef
473	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
474	}
475
476	# return random map parameters, or undef
477	sub random_map_params {
478	my ($self) = @_;
479
480	$self->{random}
481	}
482
483	# this is somewhat ugly, but style maps do need special treatment
484	sub is_style_map {
485	$_[0]{path} =~ m{^/styles/}
486	}
487
488	package cf;
489
490	#############################################################################
491
492	=head2 ATTACHABLE OBJECTS	730	=head2 ATTACHABLE OBJECTS
493		731
494	Many objects in crossfire are so-called attachable objects. That means you can	732	Many objects in deliantra are so-called attachable objects. That means you can
495	attach callbacks/event handlers (a collection of which is called an "attachment")	733	attach callbacks/event handlers (a collection of which is called an "attachment")
496	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
497		735
498	In the following description, CLASS can be any of C<global>, C<object>	736	In the following description, CLASS can be any of C<global>, C<object>
499	C<player>, C<client> or C<map> (i.e. the attachable objects in	737	C<player>, C<client> or C<map> (i.e. the attachable objects in
500	crossfire+).	738	Deliantra).
501		739
502	=over 4	740	=over 4
503		741
504	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
505		743
…		…
549	=item cf::CLASS::attachment $name, ...	787	=item cf::CLASS::attachment $name, ...
550		788
551	Register an attachment by C<$name> through which attachable objects of the	789	Register an attachment by C<$name> through which attachable objects of the
552	given CLASS can refer to this attachment.	790	given CLASS can refer to this attachment.
553		791
554	Some classes such as crossfire maps and objects can specify attachments	792	Some classes such as deliantra maps and objects can specify attachments
555	that are attached at load/instantiate time, thus the need for a name.	793	that are attached at load/instantiate time, thus the need for a name.
556		794
557	These calls expect any number of the following handler/hook descriptions:	795	These calls expect any number of the following handler/hook descriptions:
558		796
559	=over 4	797	=over 4
…		…
619	our @CB_TYPE = (); # registry for type (cf-object class) based events	857	our @CB_TYPE = (); # registry for type (cf-object class) based events
620	our @CB_MAP = ();	858	our @CB_MAP = ();
621		859
622	my %attachment;	860	my %attachment;
623		861
		862	sub cf::attachable::thawer_merge {
		863	# simply override everything except _meta
		864	local $_[0]{_meta};
		865	%{$_[0]} = %{$_[1]};
		866	}
		867
624	sub _attach_cb($$$$) {	868	sub _attach_cb($$$$) {
625	my ($registry, $event, $prio, $cb) = @_;	869	my ($registry, $event, $prio, $cb) = @_;
626		870
627	use sort 'stable';	871	use sort 'stable';
628		872
…		…
662	$registry = $CB_TYPE[$object_type] ||= [];	906	$registry = $CB_TYPE[$object_type] ||= [];
663		907
664	} elsif ($type eq "subtype") {	908	} elsif ($type eq "subtype") {
665	defined $object_type or Carp::croak "subtype specified without type";	909	defined $object_type or Carp::croak "subtype specified without type";
666	my $object_subtype = shift @arg;	910	my $object_subtype = shift @arg;
667	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	911	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
668		912
669	} elsif ($type eq "package") {	913	} elsif ($type eq "package") {
670	my $pkg = shift @arg;	914	my $pkg = shift @arg;
671		915
672	while (my ($name, $id) = each %cb_id) {	916	while (my ($name, $id) = each %cb_id) {
…		…
701	_attach $registry, $klass, @attach;	945	_attach $registry, $klass, @attach;
702	}	946	}
703		947
704	$obj->{$name} = \%arg;	948	$obj->{$name} = \%arg;
705	} else {	949	} else {
706	warn "object uses attachment '$name' that is not available, postponing.\n";	950	warn "object uses attachment '$name' which is not available, postponing.\n";
707	}	951	}
708		952
709	$obj->{_attachment}{$name} = undef;	953	$obj->{_attachment}{$name} = undef;
710	}	954	}
711		955
…		…
713	if (ref $_[0]) {	957	if (ref $_[0]) {
714	_object_attach @_;	958	_object_attach @_;
715	} else {	959	} else {
716	_attach shift->_attach_registry, @_;	960	_attach shift->_attach_registry, @_;
717	}	961	}
		962	_recalc_want;
718	};	963	};
719		964
720	# all those should be optimised	965	# all those should be optimised
721	sub cf::attachable::detach {	966	sub cf::attachable::detach {
722	my ($obj, $name) = @_;	967	my ($obj, $name) = @_;
…		…
725	delete $obj->{_attachment}{$name};	970	delete $obj->{_attachment}{$name};
726	reattach ($obj);	971	reattach ($obj);
727	} else {	972	} else {
728	Carp::croak "cannot, currently, detach class attachments";	973	Carp::croak "cannot, currently, detach class attachments";
729	}	974	}
		975	_recalc_want;
730	};	976	};
731		977
732	sub cf::attachable::attached {	978	sub cf::attachable::attached {
733	my ($obj, $name) = @_;	979	my ($obj, $name) = @_;
734		980
…		…
749	";	995	";
750	die if $@;	996	die if $@;
751	}	997	}
752		998
753	our $override;	999	our $override;
754	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1000	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
755		1001
756	sub override {	1002	sub override {
757	$override = 1;	1003	$override = 1;
758	@invoke_results = ();	1004	@INVOKE_RESULTS = (@_);
759	}	1005	}
760		1006
761	sub do_invoke {	1007	sub do_invoke {
762	my $event = shift;	1008	my $event = shift;
763	my $callbacks = shift;	1009	my $callbacks = shift;
764		1010
765	@invoke_results = ();	1011	@INVOKE_RESULTS = ();
766		1012
767	local $override;	1013	local $override;
768		1014
769	for (@$callbacks) {	1015	for (@$callbacks) {
770	eval { &{$_->[1]} };	1016	eval { &{$_->[1]} };
…		…
779	}	1025	}
780		1026
781	0	1027	0
782	}	1028	}
783		1029
784	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
785		1031
786	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
787		1033
788	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
789		1035
790	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1036	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
791	removed in future versions), and there is no public API to access override	1037	removed in future versions), and there is no public API to access override
792	results (if you must, access C<@cf::invoke_results> directly).	1038	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
793		1039
794	=back	1040	=back
795		1041
796	=cut	1042	=cut
797		1043
798	#############################################################################	1044	#############################################################################
799	# object support	1045	# object support
		1046
		1047	sub _object_equal($$);
		1048	sub _object_equal($$) {
		1049	my ($a, $b) = @_;
		1050
		1051	return 0 unless (ref $a) eq (ref $b);
		1052
		1053	if ("HASH" eq ref $a) {
		1054	my @ka = keys %$a;
		1055	my @kb = keys %$b;
		1056
		1057	return 0 if @ka != @kb;
		1058
		1059	for (0 .. $#ka) {
		1060	return 0 unless $ka[$_] eq $kb[$_];
		1061	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1062	}
		1063
		1064	} elsif ("ARRAY" eq ref $a) {
		1065
		1066	return 0 if @$a != @$b;
		1067
		1068	for (0 .. $#$a) {
		1069	return 0 unless _object_equal $a->[$_], $b->[$_];
		1070	}
		1071
		1072	} elsif ($a ne $b) {
		1073	return 0;
		1074	}
		1075
		1076	1
		1077	}
		1078
		1079	our $SLOW_MERGES;#d#
		1080	sub _can_merge {
		1081	my ($ob1, $ob2) = @_;
		1082
		1083	++$SLOW_MERGES;#d#
		1084
		1085	# we do the slow way here
		1086	return _object_equal $ob1, $ob2
		1087	}
800		1088
801	sub reattach {	1089	sub reattach {
802	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
803	my ($obj) = @_;	1091	my ($obj) = @_;
		1092
		1093	# no longer needed after getting rid of delete_package?
		1094	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
804		1095
805	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
806		1097
807	@$registry = ();	1098	@$registry = ();
808		1099
…		…
823	cf::attachable->attach (	1114	cf::attachable->attach (
824	prio => -1000000,	1115	prio => -1000000,
825	on_instantiate => sub {	1116	on_instantiate => sub {
826	my ($obj, $data) = @_;	1117	my ($obj, $data) = @_;
827		1118
828	$data = from_json $data;	1119	$data = decode_json $data;
829		1120
830	for (@$data) {	1121	for (@$data) {
831	my ($name, $args) = @$_;	1122	my ($name, $args) = @$_;
832		1123
833	$obj->attach ($name, %{$args || {} });	1124	$obj->attach ($name, %{$args || {} });
…		…
849	sub object_freezer_save {	1140	sub object_freezer_save {
850	my ($filename, $rdata, $objs) = @_;	1141	my ($filename, $rdata, $objs) = @_;
851		1142
852	sync_job {	1143	sync_job {
853	if (length $$rdata) {	1144	if (length $$rdata) {
		1145	utf8::decode (my $decname = $filename);
854	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
855	$filename, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
856		1148
857	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
858	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
859	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
860	aio_fsync $fh;	1152	aio_fsync $fh if $cf::USE_FSYNC;
861	close $fh;	1153	aio_close $fh;
862		1154
863	if (@$objs) {	1155	if (@$objs) {
864	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1156	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
865	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
866	my $data = Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
867	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
868	aio_fsync $fh;	1160	aio_fsync $fh if $cf::USE_FSYNC;
869	close $fh;	1161	aio_close $fh;
870	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
871	}	1163	}
872	} else {	1164	} else {
873	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
874	}	1166	}
875		1167
876	aio_rename "$filename~", $filename;	1168	aio_rename "$filename~", $filename;
		1169
		1170	$filename =~ s%/[^/]+$%%;
		1171	aio_pathsync $filename if $cf::USE_FSYNC;
877	} else {	1172	} else {
878	warn "FATAL: $filename~: $!\n";	1173	warn "unable to save objects: $filename~: $!\n";
879	}	1174	}
880	} else {	1175	} else {
881	aio_unlink $filename;	1176	aio_unlink $filename;
882	aio_unlink "$filename.pst";	1177	aio_unlink "$filename.pst";
883	}	1178	}
884	}	1179	};
885	}	1180	}
886		1181
887	sub object_freezer_as_string {	1182	sub object_freezer_as_string {
888	my ($rdata, $objs) = @_;	1183	my ($rdata, $objs) = @_;
889		1184
…		…
901	or return;	1196	or return;
902		1197
903	unless (aio_stat "$filename.pst") {	1198	unless (aio_stat "$filename.pst") {
904	(aio_load "$filename.pst", $av) >= 0	1199	(aio_load "$filename.pst", $av) >= 0
905	or return;	1200	or return;
		1201
906	$av = eval { (Storable::thaw $av)->{objs} };	1202	my $st = eval { Coro::Storable::thaw $av };
		1203	$av = $st->{objs};
907	}	1204	}
908		1205
		1206	utf8::decode (my $decname = $filename);
909	warn sprintf "loading %s (%d)\n",	1207	warn sprintf "loading %s (%d,%d)\n",
910	$filename, length $data, scalar @{$av || []};#d#	1208	$decname, length $data, scalar @{$av || []};
		1209
911	return ($data, $av);	1210	($data, $av)
912	}	1211	}
		1212
		1213	=head2 COMMAND CALLBACKS
		1214
		1215	=over 4
		1216
		1217	=cut
913		1218
914	#############################################################################	1219	#############################################################################
915	# command handling &c	1220	# command handling &c
916		1221
917	=item cf::register_command $name => \&callback($ob,$args);	1222	=item cf::register_command $name => \&callback($ob,$args);
…		…
930	push @{ $COMMAND{$name} }, [$caller, $cb];	1235	push @{ $COMMAND{$name} }, [$caller, $cb];
931	}	1236	}
932		1237
933	=item cf::register_extcmd $name => \&callback($pl,$packet);	1238	=item cf::register_extcmd $name => \&callback($pl,$packet);
934		1239
935	Register a callbackf ro execution when the client sends an extcmd packet.	1240	Register a callback for execution when the client sends an (synchronous)
		1241	extcmd packet. Ext commands will be processed in the order they are
		1242	received by the server, like other user commands. The first argument is
		1243	the logged-in player. Ext commands can only be processed after a player
		1244	has logged in successfully.
936		1245
937	If the callback returns something, it is sent back as if reply was being	1246	If the callback returns something, it is sent back as if reply was being
938	called.	1247	called.
939		1248
		1249	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1250
		1251	Register a callback for execution when the client sends an (asynchronous)
		1252	exticmd packet. Exti commands are processed by the server as soon as they
		1253	are received, i.e. out of order w.r.t. other commands. The first argument
		1254	is a client socket. Exti commands can be received anytime, even before
		1255	log-in.
		1256
		1257	If the callback returns something, it is sent back as if reply was being
		1258	called.
		1259
940	=cut	1260	=cut
941		1261
942	sub register_extcmd {	1262	sub register_extcmd {
943	my ($name, $cb) = @_;	1263	my ($name, $cb) = @_;
944		1264
945	my $caller = caller;
946	#warn "registering extcmd '$name' to '$caller'";
947
948	$EXTCMD{$name} = [$cb, $caller];	1265	$EXTCMD{$name} = $cb;
949	}	1266	}
		1267
		1268	sub register_exticmd {
		1269	my ($name, $cb) = @_;
		1270
		1271	$EXTICMD{$name} = $cb;
		1272	}
		1273
		1274	use File::Glob ();
950		1275
951	cf::player->attach (	1276	cf::player->attach (
952	on_command => sub {	1277	on_command => sub {
953	my ($pl, $name, $params) = @_;	1278	my ($pl, $name, $params) = @_;
954		1279
…		…
962	cf::override;	1287	cf::override;
963	},	1288	},
964	on_extcmd => sub {	1289	on_extcmd => sub {
965	my ($pl, $buf) = @_;	1290	my ($pl, $buf) = @_;
966		1291
967	my $msg = eval { from_json $buf };	1292	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
968		1293
969	if (ref $msg) {	1294	if (ref $msg) {
		1295	my ($type, $reply, @payload) =
		1296	"ARRAY" eq ref $msg
		1297	? @$msg
		1298	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1299
		1300	my @reply;
		1301
970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1302	if (my $cb = $EXTCMD{$type}) {
971	if (my %reply = $cb->[0]->($pl, $msg)) {	1303	@reply = $cb->($pl, @payload);
972	$pl->ext_reply ($msg->{msgid}, %reply);
973	}
974	}	1304	}
		1305
		1306	$pl->ext_reply ($reply, @reply)
		1307	if $reply;
		1308
975	} else {	1309	} else {
976	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1310	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
977	}	1311	}
978		1312
979	cf::override;	1313	cf::override;
980	},	1314	},
981	);	1315	);
982		1316
983	sub register {	1317	# "readahead" all extensions
984	my ($base, $pkg) = @_;
985
986	#TODO
987	}
988
989	sub load_extension {	1318	sub cache_extensions {
990	my ($path) = @_;	1319	my $grp = IO::AIO::aio_group;
991		1320
992	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1321	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
993	my $base = $1;	1322	for (grep /\.ext$/, @{$_[0]}) {
994	my $pkg = $1;	1323	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
995	$pkg =~ s/[^[:word:]]/_/g;
996	$pkg = "ext::$pkg";
997
998	warn "loading '$path' into '$pkg'\n";
999
1000	open my $fh, "<:utf8", $path
1001	or die "$path: $!";
1002
1003	my $source =
1004	"package $pkg; use strict; use utf8;\n"
1005	. "#line 1 \"$path\"\n{\n"
1006	. (do { local $/; <$fh> })
1007	. "\n};\n1";
1008
1009	eval $source
1010	or die $@ ? "$path: $@\n"
1011	: "extension disabled.\n";
1012
1013	push @exts, $pkg;
1014	$ext_pkg{$base} = $pkg;
1015
1016	# no strict 'refs';
1017	# @{"$pkg\::ISA"} = ext::;
1018
1019	register $base, $pkg;
1020	}
1021
1022	sub unload_extension {
1023	my ($pkg) = @_;
1024
1025	warn "removing extension $pkg\n";
1026
1027	# remove hooks
1028	#TODO
1029	# for my $idx (0 .. $#PLUGIN_EVENT) {
1030	# delete $hook[$idx]{$pkg};
1031	# }
1032
1033	# remove commands
1034	for my $name (keys %COMMAND) {
1035	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1036
1037	if (@cb) {
1038	$COMMAND{$name} = \@cb;
1039	} else {
1040	delete $COMMAND{$name};
1041	}	1324	}
1042	}	1325	};
1043		1326
1044	# remove extcmds	1327	$grp
1045	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1046	delete $EXTCMD{$name};
1047	}
1048
1049	if (my $cb = $pkg->can ("unload")) {
1050	eval {
1051	$cb->($pkg);
1052	1
1053	} or warn "$pkg unloaded, but with errors: $@";
1054	}
1055
1056	Symbol::delete_package $pkg;
1057	}	1328	}
1058		1329
1059	sub load_extensions {	1330	sub load_extensions {
		1331	cf::sync_job {
		1332	my %todo;
		1333
1060	for my $ext (<$LIBDIR/*.ext>) {	1334	for my $path (<$LIBDIR/*.ext>) {
1061	next unless -r $ext;	1335	next unless -r $path;
1062	eval {	1336
1063	load_extension $ext;	1337	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1338	my $base = $1;
		1339	my $pkg = $1;
		1340	$pkg =~ s/[^[:word:]]/_/g;
		1341	$pkg = "ext::$pkg";
		1342
		1343	open my $fh, "<:utf8", $path
		1344	or die "$path: $!";
		1345
		1346	my $source = do { local $/; <$fh> };
		1347
		1348	my %ext = (
		1349	path => $path,
		1350	base => $base,
		1351	pkg => $pkg,
		1352	);
		1353
		1354	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1355	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1356
		1357	$ext{source} =
		1358	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1359	. "#line 1 \"$path\"\n{\n"
		1360	. $source
		1361	. "\n};\n1";
		1362
		1363	$todo{$base} = \%ext;
		1364	}
		1365
		1366	my %done;
		1367	while (%todo) {
		1368	my $progress;
		1369
		1370	while (my ($k, $v) = each %todo) {
		1371	for (split /,\s*/, $v->{meta}{depends}) {
		1372	goto skip
		1373	unless exists $done{$_};
		1374	}
		1375
		1376	warn "... loading '$k' into '$v->{pkg}'\n";
		1377
		1378	unless (eval $v->{source}) {
		1379	my $msg = $@ ? "$v->{path}: $@\n"
		1380	: "$v->{base}: extension inactive.\n";
		1381
		1382	if (exists $v->{meta}{mandatory}) {
		1383	warn $msg;
		1384	cf::cleanup "mandatory extension failed to load, exiting.";
		1385	}
		1386
		1387	warn $msg;
		1388	}
		1389
		1390	$done{$k} = delete $todo{$k};
		1391	push @EXTS, $v->{pkg};
		1392	$progress = 1;
1064	1	1393	}
1065	} or warn "$ext not loaded: $@";	1394
		1395	skip:
		1396	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1397	unless $progress;
		1398	}
1066	}	1399	};
1067	}	1400	}
1068		1401
1069	#############################################################################	1402	#############################################################################
1070	# load/save/clean perl data associated with a map
1071		1403
1072	*cf::mapsupport::on_clean = sub {	1404	=back
1073	my ($map) = @_;
1074
1075	my $path = $map->tmpname;
1076	defined $path or return;
1077
1078	unlink "$path.pst";
1079	};
1080
1081	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1082
1083	#############################################################################
1084		1405
1085	=head2 CORE EXTENSIONS	1406	=head2 CORE EXTENSIONS
1086		1407
1087	Functions and methods that extend core crossfire objects.	1408	Functions and methods that extend core deliantra objects.
1088		1409
1089	=cut	1410	=cut
1090		1411
1091	package cf::player;	1412	package cf::player;
1092		1413
…		…
1094		1415
1095	=head3 cf::player	1416	=head3 cf::player
1096		1417
1097	=over 4	1418	=over 4
1098		1419
		1420	=item cf::player::num_playing
		1421
		1422	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1423
		1424	=cut
		1425
		1426	sub num_playing {
		1427	scalar grep
		1428	$_->ob->map
		1429	&& !$_->hidden
		1430	&& !$_->ob->flag (cf::FLAG_WIZ),
		1431	cf::player::list
		1432	}
		1433
1099	=item cf::player::find $login	1434	=item cf::player::find $login
1100		1435
1101	Returns the given player object, loading it if necessary (might block).	1436	Returns the given player object, loading it if necessary (might block).
1102		1437
1103	=cut	1438	=cut
1104		1439
1105	sub playerdir($) {	1440	sub playerdir($) {
1106	cf::localdir	1441	"$PLAYERDIR/"
1107	. "/"
1108	. cf::playerdir
1109	. "/"
1110	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1442	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1111	}	1443	}
1112		1444
1113	sub path($) {	1445	sub path($) {
1114	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1446	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1115		1447
1116	(playerdir $login) . "/$login.pl"	1448	(playerdir $login) . "/playerdata"
1117	}	1449	}
1118		1450
1119	sub find_active($) {	1451	sub find_active($) {
1120	$cf::PLAYER{$_[0]}	1452	$cf::PLAYER{$_[0]}
1121	and $cf::PLAYER{$_[0]}->active	1453	and $cf::PLAYER{$_[0]}->active
…		…
1124		1456
1125	sub exists($) {	1457	sub exists($) {
1126	my ($login) = @_;	1458	my ($login) = @_;
1127		1459
1128	$cf::PLAYER{$login}	1460	$cf::PLAYER{$login}
1129	or cf::sync_job { !aio_stat $login }	1461	or !aio_stat path $login
1130	}	1462	}
1131		1463
1132	sub find($) {	1464	sub find($) {
1133	return $cf::PLAYER{$_[0]} || do {	1465	return $cf::PLAYER{$_[0]} || do {
1134	my $login = $_[0];	1466	my $login = $_[0];
1135		1467
1136	my $guard = cf::lock_acquire "user_find:$login";	1468	my $guard = cf::lock_acquire "user_find:$login";
1137		1469
1138	$cf::PLAYER{$_[0]} || do {	1470	$cf::PLAYER{$_[0]} || do {
1139	my $pl = load_pl path $login	1471	# rename old playerfiles to new ones
		1472	#TODO: remove when no longer required
		1473	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1474	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1475	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1476	aio_unlink +(playerdir $login) . "/$login.pl";
		1477
		1478	my $f = new_from_file cf::object::thawer path $login
1140	or return;	1479	or return;
		1480
		1481	my $pl = cf::player::load_pl $f
		1482	or return;
		1483
		1484	local $cf::PLAYER_LOADING{$login} = $pl;
		1485	$f->resolve_delayed_derefs;
1141	$cf::PLAYER{$login} = $pl	1486	$cf::PLAYER{$login} = $pl
1142	}	1487	}
1143	}	1488	}
1144	}	1489	}
1145		1490
…		…
1154	return if $pl->{deny_save};	1499	return if $pl->{deny_save};
1155		1500
1156	aio_mkdir playerdir $pl, 0770;	1501	aio_mkdir playerdir $pl, 0770;
1157	$pl->{last_save} = $cf::RUNTIME;	1502	$pl->{last_save} = $cf::RUNTIME;
1158		1503
		1504	cf::get_slot 0.01;
		1505
1159	$pl->save_pl ($path);	1506	$pl->save_pl ($path);
1160	Coro::cede;	1507	cf::cede_to_tick;
1161	}	1508	}
1162		1509
1163	sub new($) {	1510	sub new($) {
1164	my ($login) = @_;	1511	my ($login) = @_;
1165		1512
…		…
1171	$cf::PLAYER{$login} = $self;	1518	$cf::PLAYER{$login} = $self;
1172		1519
1173	$self	1520	$self
1174	}	1521	}
1175		1522
		1523	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1524
		1525	=cut
		1526
		1527	sub send_msg {
		1528	my $ns = shift->ns
		1529	or return;
		1530	$ns->send_msg (@_);
		1531	}
		1532
1176	=item $pl->quit_character	1533	=item $pl->quit_character
1177		1534
1178	Nukes the player without looking back. If logged in, the connection will	1535	Nukes the player without looking back. If logged in, the connection will
1179	be destroyed. May block for a long time.	1536	be destroyed. May block for a long time.
1180		1537
1181	=cut	1538	=cut
1182		1539
1183	sub quit_character {	1540	sub quit_character {
1184	my ($pl) = @_;	1541	my ($pl) = @_;
1185		1542
		1543	my $name = $pl->ob->name;
		1544
1186	$pl->{deny_save} = 1;	1545	$pl->{deny_save} = 1;
1187	$pl->password ("*"); # this should lock out the player until we nuked the dir	1546	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1188		1547
1189	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1548	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1190	$pl->deactivate;	1549	$pl->deactivate;
		1550	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1551	$pl->ob->check_score;
1191	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1552	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1192	$pl->ns->destroy if $pl->ns;	1553	$pl->ns->destroy if $pl->ns;
1193		1554
1194	my $path = playerdir $pl;	1555	my $path = playerdir $pl;
1195	my $temp = "$path~$cf::RUNTIME~deleting~";	1556	my $temp = "$path~$cf::RUNTIME~deleting~";
1196	aio_rename $path, $temp;	1557	aio_rename $path, $temp;
1197	delete $cf::PLAYER{$pl->ob->name};	1558	delete $cf::PLAYER{$pl->ob->name};
1198	$pl->destroy;	1559	$pl->destroy;
		1560
		1561	my $prefix = qr<^~\Q$name\E/>;
		1562
		1563	# nuke player maps
		1564	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1565
1199	IO::AIO::aio_rmtree $temp;	1566	IO::AIO::aio_rmtree $temp;
		1567	}
		1568
		1569	=item $pl->kick
		1570
		1571	Kicks a player out of the game. This destroys the connection.
		1572
		1573	=cut
		1574
		1575	sub kick {
		1576	my ($pl, $kicker) = @_;
		1577
		1578	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1579	$pl->killer ("kicked");
		1580	$pl->ns->destroy;
1200	}	1581	}
1201		1582
1202	=item cf::player::list_logins	1583	=item cf::player::list_logins
1203		1584
1204	Returns am arrayref of all valid playernames in the system, can take a	1585	Returns am arrayref of all valid playernames in the system, can take a
1205	while and may block, so not sync_job-capable, ever.	1586	while and may block, so not sync_job-capable, ever.
1206		1587
1207	=cut	1588	=cut
1208		1589
1209	sub list_logins {	1590	sub list_logins {
1210	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1591	my $dirs = aio_readdir $PLAYERDIR
1211	or return [];	1592	or return [];
1212		1593
1213	my @logins;	1594	my @logins;
1214		1595
1215	for my $login (@$dirs) {	1596	for my $login (@$dirs) {
		1597	my $path = path $login;
		1598
		1599	# a .pst is a dead give-away for a valid player
		1600	# if no pst file found, open and chekc for blocked users
		1601	if (aio_stat "$path.pst") {
1216	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1602	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1217	aio_read $fh, 0, 512, my $buf, 0 or next;	1603	aio_read $fh, 0, 512, my $buf, 0 or next;
1218	$buf !~ /^password -------------$/m or next; # official not-valid tag	1604	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1605	}
1219		1606
1220	utf8::decode $login;	1607	utf8::decode $login;
1221	push @logins, $login;	1608	push @logins, $login;
1222	}	1609	}
1223		1610
1224	\@logins	1611	\@logins
1225	}	1612	}
1226		1613
1227	=item $player->maps	1614	=item $player->maps
1228		1615
1229	Returns an arrayref of cf::path's of all maps that are private for this	1616	Returns an arrayref of map paths that are private for this
1230	player. May block.	1617	player. May block.
1231		1618
1232	=cut	1619	=cut
1233		1620
1234	sub maps($) {	1621	sub maps($) {
1235	my ($pl) = @_;	1622	my ($pl) = @_;
		1623
		1624	$pl = ref $pl ? $pl->ob->name : $pl;
1236		1625
1237	my $files = aio_readdir playerdir $pl	1626	my $files = aio_readdir playerdir $pl
1238	or return;	1627	or return;
1239		1628
1240	my @paths;	1629	my @paths;
1241		1630
1242	for (@$files) {	1631	for (@$files) {
1243	utf8::decode $_;	1632	utf8::decode $_;
1244	next if /\.(?:pl|pst)$/;	1633	next if /\.(?:pl|pst)$/;
1245	next unless /^$PATH_SEP/;	1634	next unless /^$PATH_SEP/o;
1246		1635
1247	s/$PATH_SEP/\//g;	1636	push @paths, cf::map::normalise "~$pl/$_";
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1249	}	1637	}
1250		1638
1251	\@paths	1639	\@paths
1252	}	1640	}
1253		1641
		1642	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1643
		1644	Expand deliantra pod fragments into protocol xml.
		1645
1254	=item $player->ext_reply ($msgid, $msgtype, %msg)	1646	=item $player->ext_reply ($msgid, @msg)
1255		1647
1256	Sends an ext reply to the player.	1648	Sends an ext reply to the player.
1257		1649
1258	=cut	1650	=cut
1259		1651
1260	sub ext_reply($$$%) {	1652	sub ext_reply($$@) {
1261	my ($self, $id, %msg) = @_;	1653	my ($self, $id, @msg) = @_;
1262		1654
1263	$msg{msgid} = $id;	1655	$self->ns->ext_reply ($id, @msg)
1264
1265	$self->send ("ext " . cf::to_json \%msg);
1266	}	1656	}
1267		1657
1268	package cf;	1658	=item $player->ext_msg ($type, @msg)
		1659
		1660	Sends an ext event to the client.
		1661
		1662	=cut
		1663
		1664	sub ext_msg($$@) {
		1665	my ($self, $type, @msg) = @_;
		1666
		1667	$self->ns->ext_msg ($type, @msg);
		1668	}
		1669
		1670	=head3 cf::region
		1671
		1672	=over 4
		1673
		1674	=cut
		1675
		1676	package cf::region;
		1677
		1678	=item cf::region::find_by_path $path
		1679
		1680	Tries to decuce the likely region for a map knowing only its path.
		1681
		1682	=cut
		1683
		1684	sub find_by_path($) {
		1685	my ($path) = @_;
		1686
		1687	my ($match, $specificity);
		1688
		1689	for my $region (list) {
		1690	if ($region->{match} && $path =~ $region->{match}) {
		1691	($match, $specificity) = ($region, $region->specificity)
		1692	if $region->specificity > $specificity;
		1693	}
		1694	}
		1695
		1696	$match
		1697	}
1269		1698
1270	=back	1699	=back
1271
1272		1700
1273	=head3 cf::map	1701	=head3 cf::map
1274		1702
1275	=over 4	1703	=over 4
1276		1704
…		…
1279	package cf::map;	1707	package cf::map;
1280		1708
1281	use Fcntl;	1709	use Fcntl;
1282	use Coro::AIO;	1710	use Coro::AIO;
1283		1711
		1712	use overload
		1713	'""' => \&as_string,
		1714	fallback => 1;
		1715
1284	our $MAX_RESET = 3600;	1716	our $MAX_RESET = 3600;
1285	our $DEFAULT_RESET = 3000;	1717	our $DEFAULT_RESET = 3000;
1286		1718
1287	sub generate_random_map {	1719	sub generate_random_map {
1288	my ($path, $rmp) = @_;	1720	my ($self, $rmp) = @_;
		1721
		1722	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1289		1723
1290	# mit "rum" bekleckern, nicht	1724	# mit "rum" bekleckern, nicht
1291	cf::map::_create_random_map	1725	$self->_create_random_map (
1292	$path,
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1726	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1727	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1728	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296	$rmp->{exit_on_final_map},	1729	$rmp->{exit_on_final_map},
1297	$rmp->{xsize}, $rmp->{ysize},	1730	$rmp->{xsize}, $rmp->{ysize},
1298	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1731	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1299	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1732	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1300	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1733	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1301	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1734	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1735	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303	(cf::region::find $rmp->{region})	1736	(cf::region::find $rmp->{region}), $rmp->{custom}
		1737	)
1304	}	1738	}
1305		1739
1306	# and all this just because we cannot iterate over	1740	=item cf::map->register ($regex, $prio)
1307	# all maps in C++...
1308	sub change_all_map_light {
1309	my ($change) = @_;
1310		1741
1311	$_->change_map_light ($change)	1742	Register a handler for the map path matching the given regex at the
1312	for grep $_->outdoor, values %cf::MAP;	1743	givne priority (higher is better, built-in handlers have priority 0, the
1313	}	1744	default).
1314		1745
1315	sub try_load_header($) {	1746	=cut
		1747
		1748	sub register {
		1749	my (undef, $regex, $prio) = @_;
		1750	my $pkg = caller;
		1751
		1752	no strict;
		1753	push @{"$pkg\::ISA"}, __PACKAGE__;
		1754
		1755	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1756	}
		1757
		1758	# also paths starting with '/'
		1759	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1760
		1761	sub thawer_merge {
		1762	my ($self, $merge) = @_;
		1763
		1764	# we have to keep some variables in memory intact
		1765	local $self->{path};
		1766	local $self->{load_path};
		1767
		1768	$self->SUPER::thawer_merge ($merge);
		1769	}
		1770
		1771	sub normalise {
1316	my ($path) = @_;	1772	my ($path, $base) = @_;
		1773
		1774	$path = "$path"; # make sure its a string
		1775
		1776	$path =~ s/\.map$//;
		1777
		1778	# map plan:
		1779	#
		1780	# /! non-realised random map exit (special hack!)
		1781	# {... are special paths that are not being touched
		1782	# ?xxx/... are special absolute paths
		1783	# ?random/... random maps
		1784	# /... normal maps
		1785	# ~user/... per-player map of a specific user
		1786
		1787	$path =~ s/$PATH_SEP/\//go;
		1788
		1789	# treat it as relative path if it starts with
		1790	# something that looks reasonable
		1791	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1792	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1793
		1794	$base =~ s{[^/]+/?$}{};
		1795	$path = "$base/$path";
		1796	}
		1797
		1798	for ($path) {
		1799	redo if s{//}{/};
		1800	redo if s{/\.?/}{/};
		1801	redo if s{/[^/]+/\.\./}{/};
		1802	}
		1803
		1804	$path
		1805	}
		1806
		1807	sub new_from_path {
		1808	my (undef, $path, $base) = @_;
		1809
		1810	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1811
		1812	$path = normalise $path, $base;
		1813
		1814	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1815	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1816	my $self = bless cf::map::new, $pkg;
		1817	$self->{path} = $path; $self->path ($path);
		1818	$self->init; # pass $1 etc.
		1819	return $self;
		1820	}
		1821	}
		1822
		1823	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1824	()
		1825	}
		1826
		1827	sub init {
		1828	my ($self) = @_;
		1829
		1830	$self
		1831	}
		1832
		1833	sub as_string {
		1834	my ($self) = @_;
		1835
		1836	"$self->{path}"
		1837	}
		1838
		1839	# the displayed name, this is a one way mapping
		1840	sub visible_name {
		1841	&as_string
		1842	}
		1843
		1844	# the original (read-only) location
		1845	sub load_path {
		1846	my ($self) = @_;
		1847
		1848	"$MAPDIR/$self->{path}.map"
		1849	}
		1850
		1851	# the temporary/swap location
		1852	sub save_path {
		1853	my ($self) = @_;
		1854
		1855	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1856	"$TMPDIR/$path.map"
		1857	}
		1858
		1859	# the unique path, undef == no special unique path
		1860	sub uniq_path {
		1861	my ($self) = @_;
		1862
		1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1864	"$UNIQUEDIR/$path"
		1865	}
		1866
		1867	sub decay_objects {
		1868	my ($self) = @_;
		1869
		1870	return if $self->{deny_reset};
		1871
		1872	$self->do_decay_objects;
		1873	}
		1874
		1875	sub unlink_save {
		1876	my ($self) = @_;
		1877
		1878	utf8::encode (my $save = $self->save_path);
		1879	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1880	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1881	}
		1882
		1883	sub load_header_from($) {
		1884	my ($self, $path) = @_;
1317		1885
1318	utf8::encode $path;	1886	utf8::encode $path;
1319	aio_open $path, O_RDONLY, 0	1887	my $f = new_from_file cf::object::thawer $path
1320	or return;	1888	or return;
1321		1889
1322	my $map = cf::map::new	1890	$self->_load_header ($f)
1323	or return;	1891	or return;
1324		1892
1325	# for better error messages only, will be overwritten	1893	local $MAP_LOADING{$self->{path}} = $self;
1326	$map->path ($path);	1894	$f->resolve_delayed_derefs;
1327		1895
1328	$map->load_header ($path)	1896	$self->{load_path} = $path;
		1897
		1898	1
		1899	}
		1900
		1901	sub load_header_orig {
		1902	my ($self) = @_;
		1903
		1904	$self->load_header_from ($self->load_path)
		1905	}
		1906
		1907	sub load_header_temp {
		1908	my ($self) = @_;
		1909
		1910	$self->load_header_from ($self->save_path)
		1911	}
		1912
		1913	sub prepare_temp {
		1914	my ($self) = @_;
		1915
		1916	$self->last_access ((delete $self->{last_access})
		1917	|| $cf::RUNTIME); #d#
		1918	# safety
		1919	$self->{instantiate_time} = $cf::RUNTIME
		1920	if $self->{instantiate_time} > $cf::RUNTIME;
		1921	}
		1922
		1923	sub prepare_orig {
		1924	my ($self) = @_;
		1925
		1926	$self->{load_original} = 1;
		1927	$self->{instantiate_time} = $cf::RUNTIME;
		1928	$self->last_access ($cf::RUNTIME);
		1929	$self->instantiate;
		1930	}
		1931
		1932	sub load_header {
		1933	my ($self) = @_;
		1934
		1935	if ($self->load_header_temp) {
		1936	$self->prepare_temp;
		1937	} else {
		1938	$self->load_header_orig
1329	or return;	1939	or return;
		1940	$self->prepare_orig;
		1941	}
1330		1942
1331	$map->{load_path} = $path;	1943	$self->{deny_reset} = 1
		1944	if $self->no_reset;
1332		1945
1333	$map	1946	$self->default_region (cf::region::find_by_path $self->{path})
		1947	unless $self->default_region;
		1948
		1949	1
1334	}	1950	}
1335		1951
1336	sub find;	1952	sub find;
1337	sub find {	1953	sub find {
1338	my ($path, $origin) = @_;	1954	my ($path, $origin) = @_;
1339		1955
1340	#warn "find<$path,$origin>\n";#d#
1341
1342	$path = new cf::path $path, $origin && $origin->path;	1956	$path = normalise $path, $origin && $origin->path;
1343	my $key = $path->as_string;
1344		1957
1345	cf::lock_wait "map_find:$key";	1958	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1346
1347	$cf::MAP{$key} || do {
1348	my $guard = cf::lock_acquire "map_find:$key";	1959	my $guard2 = cf::lock_acquire "map_find:$path";
1349		1960
1350	# do it the slow way	1961	$cf::MAP{$path} || do {
1351	my $map = try_load_header $path->save_path;	1962	my $map = new_from_path cf::map $path
1352
1353	Coro::cede;
1354
1355	if ($map) {
1356	$map->last_access ((delete $map->{last_access})
1357	|| $cf::RUNTIME); #d#
1358	# safety
1359	$map->{instantiate_time} = $cf::RUNTIME
1360	if $map->{instantiate_time} > $cf::RUNTIME;
1361	} else {
1362	if (my $rmp = $path->random_map_params) {
1363	$map = generate_random_map $key, $rmp;
1364	} else {
1365	$map = try_load_header $path->load_path;
1366	}
1367
1368	$map or return;	1963	or return;
1369		1964
1370	$map->{load_original} = 1;
1371	$map->{instantiate_time} = $cf::RUNTIME;
1372	$map->last_access ($cf::RUNTIME);
1373	$map->instantiate;
1374
1375	# per-player maps become, after loading, normal maps
1376	$map->per_player (0) if $path->{user_rel};
1377	}
1378
1379	$map->path ($key);
1380	$map->{path} = $path;
1381	$map->{last_save} = $cf::RUNTIME;	1965	$map->{last_save} = $cf::RUNTIME;
1382		1966
1383	Coro::cede;	1967	$map->load_header
		1968	or return;
1384		1969
1385	if ($map->should_reset) {	1970	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1971	# doing this can freeze the server in a sync job, obviously
		1972	#$cf::WAIT_FOR_TICK->wait;
		1973	undef $guard2;
		1974	undef $guard1;
1386	$map->reset;	1975	$map->reset;
1387	undef $guard;
1388	$map = find $path	1976	return find $path;
1389	or return;
1390	}	1977	}
1391		1978
1392	$cf::MAP{$key} = $map	1979	$cf::MAP{$path} = $map
1393	}	1980	}
1394	}	1981	}
		1982
		1983	sub pre_load { }
		1984	sub post_load { }
1395		1985
1396	sub load {	1986	sub load {
1397	my ($self) = @_;	1987	my ($self) = @_;
1398		1988
		1989	local $self->{deny_reset} = 1; # loading can take a long time
		1990
1399	my $path = $self->{path};	1991	my $path = $self->{path};
		1992
		1993	{
1400	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1994	my $guard = cf::lock_acquire "map_data:$path";
1401		1995
		1996	return unless $self->valid;
1402	return if $self->in_memory != cf::MAP_SWAPPED;	1997	return unless $self->in_memory == cf::MAP_SWAPPED;
1403		1998
1404	$self->in_memory (cf::MAP_LOADING);	1999	$self->in_memory (cf::MAP_LOADING);
1405		2000
1406	$self->alloc;	2001	$self->alloc;
1407	$self->load_objects ($self->{load_path}, 1)	2002
		2003	$self->pre_load;
		2004	cf::cede_to_tick;
		2005
		2006	my $f = new_from_file cf::object::thawer $self->{load_path};
		2007	$f->skip_block;
		2008	$self->_load_objects ($f)
1408	or return;	2009	or return;
1409		2010
1410	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2011	$self->post_load_original
1411	if delete $self->{load_original};	2012	if delete $self->{load_original};
1412		2013
1413	if (my $uniq = $path->uniq_path) {	2014	if (my $uniq = $self->uniq_path) {
1414	utf8::encode $uniq;	2015	utf8::encode $uniq;
1415	if (aio_open $uniq, O_RDONLY, 0) {	2016	unless (aio_stat $uniq) {
		2017	if (my $f = new_from_file cf::object::thawer $uniq) {
1416	$self->clear_unique_items;	2018	$self->clear_unique_items;
1417	$self->load_objects ($uniq, 0);	2019	$self->_load_objects ($f);
		2020	$f->resolve_delayed_derefs;
		2021	}
1418	}	2022	}
1419	}	2023	}
1420		2024
1421	Coro::cede;	2025	$f->resolve_delayed_derefs;
1422		2026
		2027	cf::cede_to_tick;
1423	# now do the right thing for maps	2028	# now do the right thing for maps
1424	$self->link_multipart_objects;	2029	$self->link_multipart_objects;
1425
1426	if ($self->{path}->is_style_map) {
1427	$self->{deny_save} = 1;
1428	$self->{deny_reset} = 1;
1429	} else {
1430	$self->fix_auto_apply;
1431	$self->decay_objects;
1432	$self->update_buttons;
1433	$self->set_darkness_map;
1434	$self->difficulty ($self->estimate_difficulty)	2030	$self->difficulty ($self->estimate_difficulty)
1435	unless $self->difficulty;	2031	unless $self->difficulty;
		2032	cf::cede_to_tick;
		2033
		2034	unless ($self->{deny_activate}) {
		2035	$self->decay_objects;
		2036	$self->fix_auto_apply;
		2037	$self->update_buttons;
		2038	cf::cede_to_tick;
1436	$self->activate;	2039	$self->activate;
1437	}	2040	}
1438		2041
1439	Coro::cede;	2042	$self->{last_save} = $cf::RUNTIME;
		2043	$self->last_access ($cf::RUNTIME);
1440		2044
1441	$self->in_memory (cf::MAP_IN_MEMORY);	2045	$self->in_memory (cf::MAP_ACTIVE);
		2046	}
		2047
		2048	$self->post_load;
		2049	}
		2050
		2051	sub customise_for {
		2052	my ($self, $ob) = @_;
		2053
		2054	return find "~" . $ob->name . "/" . $self->{path}
		2055	if $self->per_player;
		2056
		2057	# return find "?party/" . $ob->name . "/" . $self->{path}
		2058	# if $self->per_party;
		2059
		2060	$self
		2061	}
		2062
		2063	# find and load all maps in the 3x3 area around a map
		2064	sub load_neighbours {
		2065	my ($map) = @_;
		2066
		2067	my @neigh; # diagonal neighbours
		2068
		2069	for (0 .. 3) {
		2070	my $neigh = $map->tile_path ($_)
		2071	or next;
		2072	$neigh = find $neigh, $map
		2073	or next;
		2074	$neigh->load;
		2075
		2076	push @neigh,
		2077	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		2078	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		2079	}
		2080
		2081	for (grep defined $_->[0], @neigh) {
		2082	my ($path, $origin) = @$_;
		2083	my $neigh = find $path, $origin
		2084	or next;
		2085	$neigh->load;
		2086	}
1442	}	2087	}
1443		2088
1444	sub find_sync {	2089	sub find_sync {
1445	my ($path, $origin) = @_;	2090	my ($path, $origin) = @_;
1446		2091
1447	cf::sync_job { cf::map::find $path, $origin }	2092	cf::sync_job { find $path, $origin }
1448	}	2093	}
1449		2094
1450	sub do_load_sync {	2095	sub do_load_sync {
1451	my ($map) = @_;	2096	my ($map) = @_;
1452		2097
		2098	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2099	if $Coro::current == $Coro::main;
		2100
1453	cf::sync_job { $map->load };	2101	cf::sync_job { $map->load };
		2102	}
		2103
		2104	our %MAP_PREFETCH;
		2105	our $MAP_PREFETCHER = undef;
		2106
		2107	sub find_async {
		2108	my ($path, $origin, $load) = @_;
		2109
		2110	$path = normalise $path, $origin && $origin->{path};
		2111
		2112	if (my $map = $cf::MAP{$path}) {
		2113	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2114	}
		2115
		2116	$MAP_PREFETCH{$path} |= $load;
		2117
		2118	$MAP_PREFETCHER ||= cf::async {
		2119	$Coro::current->{desc} = "map prefetcher";
		2120
		2121	while (%MAP_PREFETCH) {
		2122	while (my ($k, $v) = each %MAP_PREFETCH) {
		2123	if (my $map = find $k) {
		2124	$map->load if $v;
		2125	}
		2126
		2127	delete $MAP_PREFETCH{$k};
		2128	}
		2129	}
		2130	undef $MAP_PREFETCHER;
		2131	};
		2132	$MAP_PREFETCHER->prio (6);
		2133
		2134	()
1454	}	2135	}
1455		2136
1456	sub save {	2137	sub save {
1457	my ($self) = @_;	2138	my ($self) = @_;
1458		2139
1459	my $lock = cf::lock_acquire "map_data:" . $self->path;	2140	my $lock = cf::lock_acquire "map_data:$self->{path}";
1460		2141
1461	$self->{last_save} = $cf::RUNTIME;	2142	$self->{last_save} = $cf::RUNTIME;
1462		2143
1463	return unless $self->dirty;	2144	return unless $self->dirty;
1464		2145
1465	my $save = $self->{path}->save_path; utf8::encode $save;	2146	my $save = $self->save_path; utf8::encode $save;
1466	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2147	my $uniq = $self->uniq_path; utf8::encode $uniq;
1467		2148
1468	$self->{load_path} = $save;	2149	$self->{load_path} = $save;
1469		2150
1470	return if $self->{deny_save};	2151	return if $self->{deny_save};
1471		2152
1472	local $self->{last_access} = $self->last_access;#d#	2153	local $self->{last_access} = $self->last_access;#d#
1473		2154
1474	cf::async {	2155	cf::async {
		2156	$Coro::current->{desc} = "map player save";
1475	$_->contr->save for $self->players;	2157	$_->contr->save for $self->players;
1476	};	2158	};
1477		2159
		2160	cf::get_slot 0.02;
		2161
1478	if ($uniq) {	2162	if ($uniq) {
1479	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2163	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1480	$self->save_objects ($uniq, cf::IO_UNIQUES);	2164	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1481	} else {	2165	} else {
1482	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2166	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1483	}	2167	}
1484	}	2168	}
1485		2169
1486	sub swap_out {	2170	sub swap_out {
1487	my ($self) = @_;	2171	my ($self) = @_;
1488		2172
1489	# save first because save cedes	2173	# save first because save cedes
1490	$self->save;	2174	$self->save;
1491		2175
1492	my $lock = cf::lock_acquire "map_data:" . $self->path;	2176	my $lock = cf::lock_acquire "map_data:$self->{path}";
1493		2177
1494	return if $self->players;	2178	return if $self->players;
1495	return if $self->in_memory != cf::MAP_IN_MEMORY;	2179	return if $self->in_memory != cf::MAP_ACTIVE;
1496	return if $self->{deny_save};	2180	return if $self->{deny_save};
1497		2181
		2182	$self->in_memory (cf::MAP_SWAPPED);
		2183
		2184	$self->deactivate;
		2185	$_->clear_links_to ($self) for values %cf::MAP;
1498	$self->clear;	2186	$self->clear;
1499	$self->in_memory (cf::MAP_SWAPPED);
1500	}	2187	}
1501		2188
1502	sub reset_at {	2189	sub reset_at {
1503	my ($self) = @_;	2190	my ($self) = @_;
1504		2191
1505	# TODO: safety, remove and allow resettable per-player maps	2192	# TODO: safety, remove and allow resettable per-player maps
1506	return 1e99 if $self->{path}{user_rel};
1507	return 1e99 if $self->{deny_reset};	2193	return 1e99 if $self->{deny_reset};
1508		2194
1509	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2195	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1510	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2196	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1511		2197
…		…
1516	my ($self) = @_;	2202	my ($self) = @_;
1517		2203
1518	$self->reset_at <= $cf::RUNTIME	2204	$self->reset_at <= $cf::RUNTIME
1519	}	2205	}
1520		2206
1521	sub unlink_save {
1522	my ($self) = @_;
1523
1524	utf8::encode (my $save = $self->{path}->save_path);
1525	aioreq_pri 3; IO::AIO::aio_unlink $save;
1526	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1527	}
1528
1529	sub rename {
1530	my ($self, $new_path) = @_;
1531
1532	$self->unlink_save;
1533
1534	delete $cf::MAP{$self->path};
1535	$self->{path} = new cf::path $new_path;
1536	$self->path ($self->{path}->as_string);
1537	$cf::MAP{$self->path} = $self;
1538
1539	$self->save;
1540	}
1541
1542	sub reset {	2207	sub reset {
1543	my ($self) = @_;	2208	my ($self) = @_;
1544		2209
1545	my $lock = cf::lock_acquire "map_data:" . $self->path;	2210	my $lock = cf::lock_acquire "map_data:$self->{path}";
1546		2211
1547	return if $self->players;	2212	return if $self->players;
1548	return if $self->{path}{user_rel};#d#
1549		2213
1550	warn "resetting map ", $self->path;#d#	2214	warn "resetting map ", $self->path;
		2215
		2216	$self->in_memory (cf::MAP_SWAPPED);
		2217
		2218	# need to save uniques path
		2219	unless ($self->{deny_save}) {
		2220	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2221
		2222	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2223	if $uniq;
		2224	}
1551		2225
1552	delete $cf::MAP{$self->path};	2226	delete $cf::MAP{$self->path};
1553		2227
		2228	$self->deactivate;
1554	$_->clear_links_to ($self) for values %cf::MAP;	2229	$_->clear_links_to ($self) for values %cf::MAP;
		2230	$self->clear;
1555		2231
1556	$self->unlink_save;	2232	$self->unlink_save;
1557	$self->destroy;	2233	$self->destroy;
1558	}	2234	}
1559		2235
1560	my $nuke_counter = "aaaa";	2236	my $nuke_counter = "aaaa";
1561		2237
1562	sub nuke {	2238	sub nuke {
1563	my ($self) = @_;	2239	my ($self) = @_;
1564		2240
		2241	{
		2242	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2243
		2244	delete $cf::MAP{$self->path};
		2245
		2246	$self->unlink_save;
		2247
		2248	bless $self, "cf::map";
		2249	delete $self->{deny_reset};
1565	$self->{deny_save} = 1;	2250	$self->{deny_save} = 1;
1566	$self->reset_timeout (1);	2251	$self->reset_timeout (1);
1567	$self->rename ("{nuke}/" . ($nuke_counter++));	2252	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2253
		2254	$cf::MAP{$self->path} = $self;
		2255	}
		2256
1568	$self->reset; # polite request, might not happen	2257	$self->reset; # polite request, might not happen
1569	}	2258	}
1570		2259
1571	sub customise_for {	2260	=item $maps = cf::map::tmp_maps
1572	my ($map, $ob) = @_;
1573		2261
1574	if ($map->per_player) {	2262	Returns an arrayref with all map paths of currently instantiated and saved
1575	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2263	maps. May block.
		2264
		2265	=cut
		2266
		2267	sub tmp_maps() {
1576	}	2268	[
1577		2269	map {
1578	$map	2270	utf8::decode $_;
		2271	/\.map$/
		2272	? normalise $_
		2273	: ()
		2274	} @{ aio_readdir $TMPDIR or [] }
		2275	]
1579	}	2276	}
1580		2277
1581	package cf;	2278	=item $maps = cf::map::random_maps
		2279
		2280	Returns an arrayref with all map paths of currently instantiated and saved
		2281	random maps. May block.
		2282
		2283	=cut
		2284
		2285	sub random_maps() {
		2286	[
		2287	map {
		2288	utf8::decode $_;
		2289	/\.map$/
		2290	? normalise "?random/$_"
		2291	: ()
		2292	} @{ aio_readdir $RANDOMDIR or [] }
		2293	]
		2294	}
		2295
		2296	=item cf::map::unique_maps
		2297
		2298	Returns an arrayref of paths of all shared maps that have
		2299	instantiated unique items. May block.
		2300
		2301	=cut
		2302
		2303	sub unique_maps() {
		2304	[
		2305	map {
		2306	utf8::decode $_;
		2307	s/\.map$//; # TODO future compatibility hack
		2308	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2309	? ()
		2310	: normalise $_
		2311	} @{ aio_readdir $UNIQUEDIR or [] }
		2312	]
		2313	}
1582		2314
1583	=back	2315	=back
1584		2316
1585	=head3 cf::object	2317	=head3 cf::object
1586		2318
…		…
1590		2322
1591	=over 4	2323	=over 4
1592		2324
1593	=item $ob->inv_recursive	2325	=item $ob->inv_recursive
1594		2326
1595	Returns the inventory of the object _and_ their inventories, recursively.	2327	Returns the inventory of the object I<and> their inventories, recursively,
		2328	but I<not> the object itself.
1596		2329
1597	=cut	2330	=cut
1598		2331
1599	sub inv_recursive_;	2332	sub inv_recursive_;
1600	sub inv_recursive_ {	2333	sub inv_recursive_ {
…		…
1603		2336
1604	sub inv_recursive {	2337	sub inv_recursive {
1605	inv_recursive_ inv $_[0]	2338	inv_recursive_ inv $_[0]
1606	}	2339	}
1607		2340
		2341	=item $ref = $ob->ref
		2342
		2343	Creates and returns a persistent reference to an object that can be stored as a string.
		2344
		2345	=item $ob = cf::object::deref ($refstring)
		2346
		2347	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2348	even if the object actually exists. May block.
		2349
		2350	=cut
		2351
		2352	sub deref {
		2353	my ($ref) = @_;
		2354
		2355	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2356	my ($uuid, $name) = ($1, $2);
		2357	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2358	or return;
		2359	$pl->ob->uuid eq $uuid
		2360	or return;
		2361
		2362	$pl->ob
		2363	} else {
		2364	warn "$ref: cannot resolve object reference\n";
		2365	undef
		2366	}
		2367	}
		2368
1608	package cf;	2369	package cf;
1609		2370
1610	=back	2371	=back
1611		2372
1612	=head3 cf::object::player	2373	=head3 cf::object::player
…		…
1618	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2379	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1619	can be C<undef>. Does the right thing when the player is currently in a	2380	can be C<undef>. Does the right thing when the player is currently in a
1620	dialogue with the given NPC character.	2381	dialogue with the given NPC character.
1621		2382
1622	=cut	2383	=cut
		2384
		2385	our $SAY_CHANNEL = {
		2386	id => "say",
		2387	title => "Map",
		2388	reply => "say ",
		2389	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2390	};
		2391
		2392	our $CHAT_CHANNEL = {
		2393	id => "chat",
		2394	title => "Chat",
		2395	reply => "chat ",
		2396	tooltip => "Player chat and shouts, global to the server.",
		2397	};
1623		2398
1624	# rough implementation of a future "reply" method that works	2399	# rough implementation of a future "reply" method that works
1625	# with dialog boxes.	2400	# with dialog boxes.
1626	#TODO: the first argument must go, split into a $npc->reply_to ( method	2401	#TODO: the first argument must go, split into a $npc->reply_to ( method
1627	sub cf::object::player::reply($$$;$) {	2402	sub cf::object::player::reply($$$;$) {
…		…
1629		2404
1630	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2405	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1631		2406
1632	if ($self->{record_replies}) {	2407	if ($self->{record_replies}) {
1633	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2408	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2409
1634	} else {	2410	} else {
		2411	my $pl = $self->contr;
		2412
		2413	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2414	my $dialog = $pl->{npc_dialog};
		2415	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2416
		2417	} else {
1635	$msg = $npc->name . " says: $msg" if $npc;	2418	$msg = $npc->name . " says: $msg" if $npc;
1636	$self->message ($msg, $flags);	2419	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2420	}
1637	}	2421	}
		2422	}
		2423
		2424	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2425
		2426	=cut
		2427
		2428	sub cf::object::send_msg {
		2429	my $pl = shift->contr
		2430	or return;
		2431	$pl->send_msg (@_);
1638	}	2432	}
1639		2433
1640	=item $player_object->may ("access")	2434	=item $player_object->may ("access")
1641		2435
1642	Returns wether the given player is authorized to access resource "access"	2436	Returns wether the given player is authorized to access resource "access"
…		…
1655		2449
1656	=item $player_object->enter_link	2450	=item $player_object->enter_link
1657		2451
1658	Freezes the player and moves him/her to a special map (C<{link}>).	2452	Freezes the player and moves him/her to a special map (C<{link}>).
1659		2453
1660	The player should be reaosnably safe there for short amounts of time. You	2454	The player should be reasonably safe there for short amounts of time (e.g.
1661	I<MUST> call C<leave_link> as soon as possible, though.	2455	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2456	though, as the palyer cannot control the character while it is on the link
		2457	map.
		2458
		2459	Will never block.
1662		2460
1663	=item $player_object->leave_link ($map, $x, $y)	2461	=item $player_object->leave_link ($map, $x, $y)
1664		2462
1665	Moves the player out of the specila link map onto the given map. If the	2463	Moves the player out of the special C<{link}> map onto the specified
1666	map is not valid (or omitted), the player will be moved back to the	2464	map. If the map is not valid (or omitted), the player will be moved back
1667	location he/she was before the call to C<enter_link>, or, if that fails,	2465	to the location he/she was before the call to C<enter_link>, or, if that
1668	to the emergency map position.	2466	fails, to the emergency map position.
1669		2467
1670	Might block.	2468	Might block.
1671		2469
1672	=cut	2470	=cut
		2471
		2472	sub link_map {
		2473	unless ($LINK_MAP) {
		2474	$LINK_MAP = cf::map::find "{link}"
		2475	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2476	$LINK_MAP->load;
		2477	}
		2478
		2479	$LINK_MAP
		2480	}
1673		2481
1674	sub cf::object::player::enter_link {	2482	sub cf::object::player::enter_link {
1675	my ($self) = @_;	2483	my ($self) = @_;
1676		2484
1677	$self->deactivate_recursive;	2485	$self->deactivate_recursive;
1678		2486
1679	return if $self->map == $LINK_MAP;	2487	return if UNIVERSAL::isa $self->map, "ext::map_link";
1680		2488
1681	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2489	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1682	if $self->map;	2490	if $self->map && $self->map->{path} ne "{link}";
1683		2491
1684	$self->enter_map ($LINK_MAP, 20, 20);	2492	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1685	}	2493	}
1686		2494
1687	sub cf::object::player::leave_link {	2495	sub cf::object::player::leave_link {
1688	my ($self, $map, $x, $y) = @_;	2496	my ($self, $map, $x, $y) = @_;
		2497
		2498	return unless $self->contr->active;
1689		2499
1690	my $link_pos = delete $self->{_link_pos};	2500	my $link_pos = delete $self->{_link_pos};
1691		2501
1692	unless ($map) {	2502	unless ($map) {
1693	# restore original map position	2503	# restore original map position
…		…
1707	# use -1 or undef as default coordinates, not 0, 0	2517	# use -1 or undef as default coordinates, not 0, 0
1708	($x, $y) = ($map->enter_x, $map->enter_y)	2518	($x, $y) = ($map->enter_x, $map->enter_y)
1709	if $x <=0 && $y <= 0;	2519	if $x <=0 && $y <= 0;
1710		2520
1711	$map->load;	2521	$map->load;
		2522	$map->load_neighbours;
1712		2523
1713	return unless $self->contr->active;	2524	return unless $self->contr->active;
		2525	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1714	$self->activate_recursive;	2526	$self->activate_recursive;
		2527
		2528	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1715	$self->enter_map ($map, $x, $y);	2529	$self->enter_map ($map, $x, $y);
1716	}	2530	}
1717		2531
1718	cf::player->attach (	2532	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1719	on_logout => sub {
1720	my ($pl) = @_;
1721		2533
1722	# abort map switching before logout	2534	Moves the player to the given map-path and coordinates by first freezing
1723	if ($pl->ob->{_link_pos}) {	2535	her, loading and preparing them map, calling the provided $check callback
1724	cf::sync_job {	2536	that has to return the map if sucecssful, and then unfreezes the player on
1725	$pl->ob->leave_link	2537	the new (success) or old (failed) map position. In either case, $done will
1726	};	2538	be called at the end of this process.
1727	}
1728	},
1729	on_login => sub {
1730	my ($pl) = @_;
1731		2539
1732	# try to abort aborted map switching on player login :)	2540	Note that $check will be called with a potentially non-loaded map, so if
1733	# should happen only on crashes	2541	it needs a loaded map it has to call C<< ->load >>.
1734	if ($pl->ob->{_link_pos}) {
1735	$pl->ob->enter_link;
1736	(async {
1737	# we need this sleep as the login has a concurrent enter_exit running
1738	# and this sleep increases chances of the player not ending up in scorn
1739	$pl->ob->reply (undef,
1740	"There was an internal problem at your last logout, "
1741	. "the server will try to bring you to your intended destination in a second.",
1742	cf::NDI_RED);
1743	Coro::Timer::sleep 1;
1744	$pl->ob->leave_link;
1745	})->prio (2);
1746	}
1747	},
1748	);
1749		2542
1750	=item $player_object->goto ($path, $x, $y)
1751
1752	=cut	2543	=cut
		2544
		2545	our $GOTOGEN;
1753		2546
1754	sub cf::object::player::goto {	2547	sub cf::object::player::goto {
1755	my ($self, $path, $x, $y) = @_;	2548	my ($self, $path, $x, $y, $check, $done) = @_;
1756		2549
1757	$path = new cf::path $path;	2550	# do generation counting so two concurrent goto's will be executed in-order
1758	$path ne "/" or Carp::cluck ("oy");#d#	2551	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1759		2552
1760	$self->enter_link;	2553	$self->enter_link;
1761		2554
1762	(async {	2555	(async {
1763	my $map = cf::map::find $path->as_string;	2556	$Coro::current->{desc} = "player::goto $path $x $y";
		2557
		2558	# *tag paths override both path and x|y
		2559	if ($path =~ /^\*(.*)$/) {
		2560	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2561	my $ob = $obs[rand @obs];
		2562
		2563	# see if we actually can go there
		2564	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2565	$ob = $obs[rand @obs];
		2566	} else {
		2567	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2568	}
		2569	# else put us there anyways for now #d#
		2570
		2571	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2572	} else {
		2573	($path, $x, $y) = (undef, undef, undef);
		2574	}
		2575	}
		2576
		2577	my $map = eval {
		2578	my $map = defined $path ? cf::map::find $path : undef;
		2579
		2580	if ($map) {
1764	$map = $map->customise_for ($self) if $map;	2581	$map = $map->customise_for ($self);
1765		2582	$map = $check->($map) if $check && $map;
1766	# warn "entering ", $map->path, " at ($x, $y)\n"	2583	} else {
1767	# if $map;
1768
1769	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2584	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2585	}
1770		2586
		2587	$map
		2588	};
		2589
		2590	if ($@) {
		2591	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2592	LOG llevError | logBacktrace, Carp::longmess $@;
		2593	}
		2594
		2595	if ($gen == $self->{_goto_generation}) {
		2596	delete $self->{_goto_generation};
1771	$self->leave_link ($map, $x, $y);	2597	$self->leave_link ($map, $x, $y);
		2598	}
		2599
		2600	$done->() if $done;
1772	})->prio (1);	2601	})->prio (1);
1773	}	2602	}
1774		2603
1775	=item $player_object->enter_exit ($exit_object)	2604	=item $player_object->enter_exit ($exit_object)
1776		2605
…		…
1778		2607
1779	sub parse_random_map_params {	2608	sub parse_random_map_params {
1780	my ($spec) = @_;	2609	my ($spec) = @_;
1781		2610
1782	my $rmp = { # defaults	2611	my $rmp = { # defaults
1783	xsize => 10,	2612	xsize => (cf::rndm 15, 40),
1784	ysize => 10,	2613	ysize => (cf::rndm 15, 40),
		2614	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2615	#layout => string,
1785	};	2616	};
1786		2617
1787	for (split /\n/, $spec) {	2618	for (split /\n/, $spec) {
1788	my ($k, $v) = split /\s+/, $_, 2;	2619	my ($k, $v) = split /\s+/, $_, 2;
1789		2620
…		…
1801	# that depends on the exit object	2632	# that depends on the exit object
1802		2633
1803	my $rmp = parse_random_map_params $exit->msg;	2634	my $rmp = parse_random_map_params $exit->msg;
1804		2635
1805	if ($exit->map) {	2636	if ($exit->map) {
1806	$rmp->{region} = $exit->map->region_name;	2637	$rmp->{region} = $exit->region->name;
1807	$rmp->{origin_map} = $exit->map->path;	2638	$rmp->{origin_map} = $exit->map->path;
1808	$rmp->{origin_x} = $exit->x;	2639	$rmp->{origin_x} = $exit->x;
1809	$rmp->{origin_y} = $exit->y;	2640	$rmp->{origin_y} = $exit->y;
		2641
		2642	$exit->map->touch;
1810	}	2643	}
1811		2644
1812	$rmp->{random_seed} ||= $exit->random_seed;	2645	$rmp->{random_seed} ||= $exit->random_seed;
1813		2646
1814	my $data = cf::to_json $rmp;	2647	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1815	my $md5 = Digest::MD5::md5_hex $data;	2648	my $md5 = Digest::MD5::md5_hex $data;
		2649	my $meta = "$RANDOMDIR/$md5.meta";
1816		2650
1817	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2651	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1818	aio_write $fh, 0, (length $data), $data, 0;	2652	aio_write $fh, 0, (length $data), $data, 0;
		2653	undef $fh;
		2654	aio_rename "$meta~", $meta;
1819		2655
		2656	my $slaying = "?random/$md5";
		2657
		2658	if ($exit->valid) {
1820	$exit->slaying ("?random/$md5");	2659	$exit->slaying ("?random/$md5");
1821	$exit->msg (undef);	2660	$exit->msg (undef);
		2661	}
1822	}	2662	}
1823	}	2663	}
1824		2664
1825	sub cf::object::player::enter_exit {	2665	sub cf::object::player::enter_exit {
1826	my ($self, $exit) = @_;	2666	my ($self, $exit) = @_;
…		…
1828	return unless $self->type == cf::PLAYER;	2668	return unless $self->type == cf::PLAYER;
1829		2669
1830	$self->enter_link;	2670	$self->enter_link;
1831		2671
1832	(async {	2672	(async {
1833	$self->deactivate_recursive; # just to be sure	2673	$Coro::current->{desc} = "enter_exit";
		2674
1834	unless (eval {	2675	unless (eval {
		2676	$self->deactivate_recursive; # just to be sure
		2677
		2678	# random map handling
		2679	{
		2680	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2681
1835	prepare_random_map $exit	2682	prepare_random_map $exit
1836	if $exit->slaying eq "/!";	2683	if $exit->slaying eq "/!";
		2684	}
1837		2685
1838	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2686	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1839	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2687	my $x = $exit->stats->hp;
		2688	my $y = $exit->stats->sp;
1840		2689
		2690	$self->goto ($map, $x, $y);
		2691
		2692	# if exit is damned, update players death & WoR home-position
		2693	$self->contr->savebed ($map, $x, $y)
		2694	if $exit->flag (cf::FLAG_DAMNED);
		2695
1841	1;	2696	1
1842	}) {	2697	}) {
1843	$self->message ("Something went wrong deep within the crossfire server. "	2698	$self->message ("Something went wrong deep within the deliantra server. "
1844	. "I'll try to bring you back to the map you were before. "	2699	. "I'll try to bring you back to the map you were before. "
1845	. "Please report this to the dungeon master",	2700	. "Please report this to the dungeon master!",
1846	cf::NDI_UNIQUE | cf::NDI_RED);	2701	cf::NDI_UNIQUE | cf::NDI_RED);
1847		2702
1848	warn "ERROR in enter_exit: $@";	2703	warn "ERROR in enter_exit: $@";
1849	$self->leave_link;	2704	$self->leave_link;
1850	}	2705	}
1851	})->prio (1);	2706	})->prio (1);
…		…
1864		2719
1865	sub cf::client::send_drawinfo {	2720	sub cf::client::send_drawinfo {
1866	my ($self, $text, $flags) = @_;	2721	my ($self, $text, $flags) = @_;
1867		2722
1868	utf8::encode $text;	2723	utf8::encode $text;
1869	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2724	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1870	}	2725	}
1871		2726
		2727	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2728
		2729	Send a drawinfo or msg packet to the client, formatting the msg for the
		2730	client if neccessary. C<$type> should be a string identifying the type of
		2731	the message, with C<log> being the default. If C<$color> is negative, suppress
		2732	the message unless the client supports the msg packet.
		2733
		2734	=cut
		2735
		2736	# non-persistent channels (usually the info channel)
		2737	our %CHANNEL = (
		2738	"c/identify" => {
		2739	id => "infobox",
		2740	title => "Identify",
		2741	reply => undef,
		2742	tooltip => "Items recently identified",
		2743	},
		2744	"c/examine" => {
		2745	id => "infobox",
		2746	title => "Examine",
		2747	reply => undef,
		2748	tooltip => "Signs and other items you examined",
		2749	},
		2750	"c/book" => {
		2751	id => "infobox",
		2752	title => "Book",
		2753	reply => undef,
		2754	tooltip => "The contents of a note or book",
		2755	},
		2756	"c/lookat" => {
		2757	id => "infobox",
		2758	title => "Look",
		2759	reply => undef,
		2760	tooltip => "What you saw there",
		2761	},
		2762	"c/who" => {
		2763	id => "infobox",
		2764	title => "Players",
		2765	reply => undef,
		2766	tooltip => "Shows players who are currently online",
		2767	},
		2768	"c/body" => {
		2769	id => "infobox",
		2770	title => "Body Parts",
		2771	reply => undef,
		2772	tooltip => "Shows which body parts you posess and are available",
		2773	},
		2774	"c/skills" => {
		2775	id => "infobox",
		2776	title => "Skills",
		2777	reply => undef,
		2778	tooltip => "Shows your experience per skill and item power",
		2779	},
		2780	"c/uptime" => {
		2781	id => "infobox",
		2782	title => "Uptime",
		2783	reply => undef,
		2784	tooltip => "How long the server has been running since last restart",
		2785	},
		2786	"c/mapinfo" => {
		2787	id => "infobox",
		2788	title => "Map Info",
		2789	reply => undef,
		2790	tooltip => "Information related to the maps",
		2791	},
		2792	"c/party" => {
		2793	id => "party",
		2794	title => "Party",
		2795	reply => "gsay ",
		2796	tooltip => "Messages and chat related to your party",
		2797	},
		2798	"c/death" => {
		2799	id => "death",
		2800	title => "Death",
		2801	reply => undef,
		2802	tooltip => "Reason for and more info about your most recent death",
		2803	},
		2804	"c/say" => $SAY_CHANNEL,
		2805	"c/chat" => $CHAT_CHANNEL,
		2806	);
		2807
		2808	sub cf::client::send_msg {
		2809	my ($self, $channel, $msg, $color, @extra) = @_;
		2810
		2811	$msg = $self->pl->expand_cfpod ($msg)
		2812	unless $color & cf::NDI_VERBATIM;
		2813
		2814	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2815
		2816	# check predefined channels, for the benefit of C
		2817	if ($CHANNEL{$channel}) {
		2818	$channel = $CHANNEL{$channel};
		2819
		2820	$self->ext_msg (channel_info => $channel);
		2821	$channel = $channel->{id};
		2822
		2823	} elsif (ref $channel) {
		2824	# send meta info to client, if not yet sent
		2825	unless (exists $self->{channel}{$channel->{id}}) {
		2826	$self->{channel}{$channel->{id}} = $channel;
		2827	$self->ext_msg (channel_info => $channel);
		2828	}
		2829
		2830	$channel = $channel->{id};
		2831	}
		2832
		2833	return unless @extra || length $msg;
		2834
		2835	# default colour, mask it out
		2836	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2837	if $color & cf::NDI_DEF;
		2838
		2839	my $pkt = "msg "
		2840	. $self->{json_coder}->encode (
		2841	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2842	);
		2843
		2844	# try lzf for large packets
		2845	$pkt = "lzf " . Compress::LZF::compress $pkt
		2846	if 1024 <= length $pkt and $self->{can_lzf};
		2847
		2848	# split very large packets
		2849	if (8192 < length $pkt and $self->{can_lzf}) {
		2850	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2851	$pkt = "frag";
		2852	}
		2853
		2854	$self->send_packet ($pkt);
		2855	}
		2856
		2857	=item $client->ext_msg ($type, @msg)
		2858
		2859	Sends an ext event to the client.
		2860
		2861	=cut
		2862
		2863	sub cf::client::ext_msg($$@) {
		2864	my ($self, $type, @msg) = @_;
		2865
		2866	if ($self->extcmd == 2) {
		2867	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2868	} elsif ($self->extcmd == 1) { # TODO: remove
		2869	push @msg, msgtype => "event_$type";
		2870	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2871	}
		2872	}
		2873
		2874	=item $client->ext_reply ($msgid, @msg)
		2875
		2876	Sends an ext reply to the client.
		2877
		2878	=cut
		2879
		2880	sub cf::client::ext_reply($$@) {
		2881	my ($self, $id, @msg) = @_;
		2882
		2883	if ($self->extcmd == 2) {
		2884	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2885	} elsif ($self->extcmd == 1) {
		2886	#TODO: version 1, remove
		2887	unshift @msg, msgtype => "reply", msgid => $id;
		2888	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2889	}
		2890	}
1872		2891
1873	=item $success = $client->query ($flags, "text", \&cb)	2892	=item $success = $client->query ($flags, "text", \&cb)
1874		2893
1875	Queues a query to the client, calling the given callback with	2894	Queues a query to the client, calling the given callback with
1876	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2895	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1877	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2896	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1878		2897
1879	Queries can fail, so check the return code. Or don't, as queries will become	2898	Queries can fail, so check the return code. Or don't, as queries will
1880	reliable at some point in the future.	2899	become reliable at some point in the future.
1881		2900
1882	=cut	2901	=cut
1883		2902
1884	sub cf::client::query {	2903	sub cf::client::query {
1885	my ($self, $flags, $text, $cb) = @_;	2904	my ($self, $flags, $text, $cb) = @_;
…		…
1893	utf8::encode $text;	2912	utf8::encode $text;
1894	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2913	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1895		2914
1896	$self->send_packet ($self->{query_queue}[0][0])	2915	$self->send_packet ($self->{query_queue}[0][0])
1897	if @{ $self->{query_queue} } == 1;	2916	if @{ $self->{query_queue} } == 1;
		2917
		2918	1
1898	}	2919	}
1899		2920
1900	cf::client->attach (	2921	cf::client->attach (
		2922	on_connect => sub {
		2923	my ($ns) = @_;
		2924
		2925	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2926	},
1901	on_reply => sub {	2927	on_reply => sub {
1902	my ($ns, $msg) = @_;	2928	my ($ns, $msg) = @_;
1903		2929
1904	# this weird shuffling is so that direct followup queries	2930	# this weird shuffling is so that direct followup queries
1905	# get handled first	2931	# get handled first
1906	my $queue = delete $ns->{query_queue}	2932	my $queue = delete $ns->{query_queue}
1907	or return; # be conservative, not sure how that can happen, but we saw a crash here	2933	or return; # be conservative, not sure how that can happen, but we saw a crash here
1908		2934
1909	(shift @$queue)->[1]->($msg);	2935	(shift @$queue)->[1]->($msg);
		2936	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1910		2937
1911	push @{ $ns->{query_queue} }, @$queue;	2938	push @{ $ns->{query_queue} }, @$queue;
1912		2939
1913	if (@{ $ns->{query_queue} } == @$queue) {	2940	if (@{ $ns->{query_queue} } == @$queue) {
1914	if (@$queue) {	2941	if (@$queue) {
…		…
1916	} else {	2943	} else {
1917	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2944	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1918	}	2945	}
1919	}	2946	}
1920	},	2947	},
		2948	on_exticmd => sub {
		2949	my ($ns, $buf) = @_;
		2950
		2951	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2952
		2953	if (ref $msg) {
		2954	my ($type, $reply, @payload) =
		2955	"ARRAY" eq ref $msg
		2956	? @$msg
		2957	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2958
		2959	my @reply;
		2960
		2961	if (my $cb = $EXTICMD{$type}) {
		2962	@reply = $cb->($ns, @payload);
		2963	}
		2964
		2965	$ns->ext_reply ($reply, @reply)
		2966	if $reply;
		2967
		2968	} else {
		2969	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2970	}
		2971
		2972	cf::override;
		2973	},
1921	);	2974	);
1922		2975
1923	=item $client->async (\&cb)	2976	=item $client->async (\&cb)
1924		2977
1925	Create a new coroutine, running the specified callback. The coroutine will	2978	Create a new coroutine, running the specified callback. The coroutine will
…		…
1966	our $safe = new Safe "safe";	3019	our $safe = new Safe "safe";
1967	our $safe_hole = new Safe::Hole;	3020	our $safe_hole = new Safe::Hole;
1968		3021
1969	$SIG{FPE} = 'IGNORE';	3022	$SIG{FPE} = 'IGNORE';
1970		3023
1971	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3024	$safe->permit_only (Opcode::opset qw(
		3025	:base_core :base_mem :base_orig :base_math
		3026	grepstart grepwhile mapstart mapwhile
		3027	sort time
		3028	));
1972		3029
1973	# here we export the classes and methods available to script code	3030	# here we export the classes and methods available to script code
1974		3031
1975	=pod	3032	=pod
1976		3033
1977	The following fucntions and emthods are available within a safe environment:	3034	The following functions and methods are available within a safe environment:
1978		3035
1979	cf::object contr pay_amount pay_player map	3036	cf::object
		3037	contr pay_amount pay_player map x y force_find force_add destroy
		3038	insert remove name archname title slaying race decrease split
		3039
1980	cf::object::player player	3040	cf::object::player
1981	cf::player peaceful	3041	player
1982	cf::map trigger	3042
		3043	cf::player
		3044	peaceful
		3045
		3046	cf::map
		3047	trigger
1983		3048
1984	=cut	3049	=cut
1985		3050
1986	for (	3051	for (
1987	["cf::object" => qw(contr pay_amount pay_player map)],	3052	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3053	insert remove inv nrof name archname title slaying race
		3054	decrease split destroy change_exp)],
1988	["cf::object::player" => qw(player)],	3055	["cf::object::player" => qw(player)],
1989	["cf::player" => qw(peaceful)],	3056	["cf::player" => qw(peaceful)],
1990	["cf::map" => qw(trigger)],	3057	["cf::map" => qw(trigger)],
1991	) {	3058	) {
1992	no strict 'refs';	3059	no strict 'refs';
…		…
2063	=back	3130	=back
2064		3131
2065	=cut	3132	=cut
2066		3133
2067	#############################################################################	3134	#############################################################################
		3135	# the server's init and main functions
2068		3136
2069	=head2 EXTENSION DATABASE SUPPORT	3137	sub load_facedata($) {
		3138	my ($path) = @_;
2070		3139
2071	Crossfire maintains a very simple database for extension use. It can	3140	# HACK to clear player env face cache, we need some signal framework
2072	currently store anything that can be serialised using Storable, which	3141	# for this (global event?)
2073	excludes objects.	3142	%ext::player_env::MUSIC_FACE_CACHE = ();
2074		3143
2075	The parameter C<$family> should best start with the name of the extension	3144	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2076	using it, it should be unique.
2077		3145
2078	=over 4	3146	warn "loading facedata from $path\n";
2079		3147
2080	=item $hashref = cf::db_get $family	3148	my $facedata;
		3149	0 < aio_load $path, $facedata
		3150	or die "$path: $!";
2081		3151
2082	Return a hashref for use by the extension C<$family>, which can be	3152	$facedata = Coro::Storable::thaw $facedata;
2083	modified. After modifications, you have to call C<cf::db_dirty> or
2084	C<cf::db_sync>.
2085		3153
2086	=item $value = cf::db_get $family => $key	3154	$facedata->{version} == 2
		3155	or cf::cleanup "$path: version mismatch, cannot proceed.";
2087		3156
2088	Returns a single value from the database	3157	# patch in the exptable
2089		3158	$facedata->{resource}{"res/exp_table"} = {
2090	=item cf::db_put $family => $hashref	3159	type => FT_RSRC,
2091		3160	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2092	Stores the given family hashref into the database. Updates are delayed, if
2093	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2094
2095	=item cf::db_put $family => $key => $value
2096
2097	Stores the given C<$value> in the family hash. Updates are delayed, if you
2098	want the data to be synced to disk immediately, use C<cf::db_sync>.
2099
2100	=item cf::db_dirty
2101
2102	Marks the database as dirty, to be updated at a later time.
2103
2104	=item cf::db_sync
2105
2106	Immediately write the database to disk I<if it is dirty>.
2107
2108	=cut
2109
2110	our $DB;
2111
2112	{
2113	my $path = cf::localdir . "/database.pst";
2114
2115	sub db_load() {
2116	$DB = stat $path ? Storable::retrieve $path : { };
2117	}
2118
2119	my $pid;
2120
2121	sub db_save() {
2122	waitpid $pid, 0 if $pid;
2123	if (0 == ($pid = fork)) {
2124	$DB->{_meta}{version} = 1;
2125	Storable::nstore $DB, "$path~";
2126	rename "$path~", $path;
2127	cf::_exit 0 if defined $pid;
2128	}
2129	}
2130
2131	my $dirty;
2132
2133	sub db_sync() {
2134	db_save if $dirty;
2135	undef $dirty;
2136	}
2137
2138	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2139	db_sync;
2140	});	3161	};
		3162	cf::cede_to_tick;
2141		3163
2142	sub db_dirty() {
2143	$dirty = 1;
2144	$idle->start;
2145	}	3164	{
		3165	my $faces = $facedata->{faceinfo};
2146		3166
2147	sub db_get($;$) {	3167	while (my ($face, $info) = each %$faces) {
2148	@_ >= 2	3168	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2149	? $DB->{$_[0]}{$_[1]}
2150	: ($DB->{$_[0]} ||= { })
2151	}
2152		3169
2153	sub db_put($$;$) {	3170	cf::face::set_visibility $idx, $info->{visibility};
2154	if (@_ >= 3) {	3171	cf::face::set_magicmap $idx, $info->{magicmap};
2155	$DB->{$_[0]}{$_[1]} = $_[2];	3172	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2156	} else {	3173	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2157	$DB->{$_[0]} = $_[1];
2158	}
2159	db_dirty;
2160	}
2161		3174
2162	cf::global->attach (	3175	cf::cede_to_tick;
2163	prio => 10000,
2164	on_cleanup => sub {
2165	db_sync;
2166	},	3176	}
2167	);
2168	}
2169		3177
2170	#############################################################################	3178	while (my ($face, $info) = each %$faces) {
2171	# the server's main()	3179	next unless $info->{smooth};
2172		3180
2173	sub cfg_load {	3181	my $idx = cf::face::find $face
		3182	or next;
		3183
		3184	if (my $smooth = cf::face::find $info->{smooth}) {
		3185	cf::face::set_smooth $idx, $smooth;
		3186	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3187	} else {
		3188	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3189	}
		3190
		3191	cf::cede_to_tick;
		3192	}
		3193	}
		3194
		3195	{
		3196	my $anims = $facedata->{animinfo};
		3197
		3198	while (my ($anim, $info) = each %$anims) {
		3199	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3200	cf::cede_to_tick;
		3201	}
		3202
		3203	cf::anim::invalidate_all; # d'oh
		3204	}
		3205
		3206	{
		3207	# TODO: for gcfclient pleasure, we should give resources
		3208	# that gcfclient doesn't grok a >10000 face index.
		3209	my $res = $facedata->{resource};
		3210
		3211	while (my ($name, $info) = each %$res) {
		3212	if (defined $info->{type}) {
		3213	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3214	my $data;
		3215
		3216	if ($info->{type} & 1) {
		3217	# prepend meta info
		3218
		3219	my $meta = $enc->encode ({
		3220	name => $name,
		3221	%{ $info->{meta} || {} },
		3222	});
		3223
		3224	$data = pack "(w/a*)*", $meta, $info->{data};
		3225	} else {
		3226	$data = $info->{data};
		3227	}
		3228
		3229	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3230	cf::face::set_type $idx, $info->{type};
		3231	} else {
		3232	$RESOURCE{$name} = $info;
		3233	}
		3234
		3235	cf::cede_to_tick;
		3236	}
		3237	}
		3238
		3239	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3240
		3241	1
		3242	}
		3243
		3244	cf::global->attach (on_resource_update => sub {
		3245	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3246	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3247
		3248	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3249	my $sound = $soundconf->{compat}[$_]
		3250	or next;
		3251
		3252	my $face = cf::face::find "sound/$sound->[1]";
		3253	cf::sound::set $sound->[0] => $face;
		3254	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3255	}
		3256
		3257	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3258	my $face = cf::face::find "sound/$v";
		3259	cf::sound::set $k => $face;
		3260	}
		3261	}
		3262	});
		3263
		3264	register_exticmd fx_want => sub {
		3265	my ($ns, $want) = @_;
		3266
		3267	while (my ($k, $v) = each %$want) {
		3268	$ns->fx_want ($k, $v);
		3269	}
		3270	};
		3271
		3272	sub load_resource_file($) {
		3273	my $guard = lock_acquire "load_resource_file";
		3274
		3275	my $status = load_resource_file_ $_[0];
		3276	get_slot 0.1, 100;
		3277	cf::arch::commit_load;
		3278
		3279	$status
		3280	}
		3281
		3282	sub reload_regions {
		3283	# HACK to clear player env face cache, we need some signal framework
		3284	# for this (global event?)
		3285	%ext::player_env::MUSIC_FACE_CACHE = ();
		3286
		3287	load_resource_file "$MAPDIR/regions"
		3288	or die "unable to load regions file\n";
		3289
		3290	for (cf::region::list) {
		3291	$_->{match} = qr/$_->{match}/
		3292	if exists $_->{match};
		3293	}
		3294	}
		3295
		3296	sub reload_facedata {
		3297	load_facedata "$DATADIR/facedata"
		3298	or die "unable to load facedata\n";
		3299	}
		3300
		3301	sub reload_archetypes {
		3302	load_resource_file "$DATADIR/archetypes"
		3303	or die "unable to load archetypes\n";
		3304	}
		3305
		3306	sub reload_treasures {
		3307	load_resource_file "$DATADIR/treasures"
		3308	or die "unable to load treasurelists\n";
		3309	}
		3310
		3311	sub reload_resources {
		3312	warn "reloading resource files...\n";
		3313
		3314	reload_facedata;
		3315	reload_archetypes;
		3316	reload_regions;
		3317	reload_treasures;
		3318
		3319	warn "finished reloading resource files\n";
		3320	}
		3321
		3322	sub reload_config {
2174	open my $fh, "<:utf8", cf::confdir . "/config"	3323	open my $fh, "<:utf8", "$CONFDIR/config"
2175	or return;	3324	or return;
2176		3325
2177	local $/;	3326	local $/;
2178	*CFG = YAML::Syck::Load <$fh>;	3327	*CFG = YAML::Load <$fh>;
2179		3328
2180	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3329	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2181		3330
2182	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3331	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2183	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3332	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2189	};	3338	};
2190	warn $@ if $@;	3339	warn $@ if $@;
2191	}	3340	}
2192	}	3341	}
2193		3342
		3343	sub pidfile() {
		3344	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3345	or die "$PIDFILE: $!";
		3346	flock $fh, &Fcntl::LOCK_EX
		3347	or die "$PIDFILE: flock: $!";
		3348	$fh
		3349	}
		3350
		3351	# make sure only one server instance is running at any one time
		3352	sub atomic {
		3353	my $fh = pidfile;
		3354
		3355	my $pid = <$fh>;
		3356	kill 9, $pid if $pid > 0;
		3357
		3358	seek $fh, 0, 0;
		3359	print $fh $$;
		3360	}
		3361
2194	sub main {	3362	sub main {
		3363	cf::init_globals; # initialise logging
		3364
		3365	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3366	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3367	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3368	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3369
		3370	cf::init_experience;
		3371	cf::init_anim;
		3372	cf::init_attackmess;
		3373	cf::init_dynamic;
		3374
		3375	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3376
2195	# we must not ever block the main coroutine	3377	# we must not ever block the main coroutine
2196	local $Coro::idle = sub {	3378	local $Coro::idle = sub {
2197	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3379	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2198	async { Event::one_event };	3380	(async {
		3381	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3382	EV::loop EV::LOOP_ONESHOT;
		3383	})->prio (Coro::PRIO_MAX);
2199	};	3384	};
2200		3385
2201	cfg_load;	3386	evthread_start IO::AIO::poll_fileno;
2202	db_load;	3387
		3388	cf::sync_job {
		3389	reload_resources;
		3390	reload_config;
		3391	db_init;
		3392
		3393	cf::load_settings;
		3394	cf::load_materials;
		3395	cf::init_uuid;
		3396	cf::init_signals;
		3397	cf::init_commands;
		3398	cf::init_skills;
		3399
		3400	cf::init_beforeplay;
		3401
		3402	atomic;
		3403
2203	load_extensions;	3404	load_extensions;
		3405
		3406	utime time, time, $RUNTIMEFILE;
		3407
		3408	# no (long-running) fork's whatsoever before this point(!)
		3409	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3410
		3411	(pop @POST_INIT)->(0) while @POST_INIT;
		3412	};
		3413
2204	Event::loop;	3414	EV::loop;
2205	}	3415	}
2206		3416
2207	#############################################################################	3417	#############################################################################
2208	# initialisation and cleanup	3418	# initialisation and cleanup
2209		3419
2210	# install some emergency cleanup handlers	3420	# install some emergency cleanup handlers
2211	BEGIN {	3421	BEGIN {
		3422	our %SIGWATCHER = ();
2212	for my $signal (qw(INT HUP TERM)) {	3423	for my $signal (qw(INT HUP TERM)) {
2213	Event->signal (	3424	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2214	data => WF_AUTOCANCEL,
2215	signal => $signal,
2216	cb => sub {
2217	cf::cleanup "SIG$signal";	3425	cf::cleanup "SIG$signal";
2218	},
2219	);	3426	};
		3427	}
		3428	}
		3429
		3430	sub write_runtime_sync {
		3431	# first touch the runtime file to show we are still running:
		3432	# the fsync below can take a very very long time.
		3433
		3434	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3435
		3436	my $guard = cf::lock_acquire "write_runtime";
		3437
		3438	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3439	or return;
		3440
		3441	my $value = $cf::RUNTIME + 90 + 10;
		3442	# 10 is the runtime save interval, for a monotonic clock
		3443	# 60 allows for the watchdog to kill the server.
		3444
		3445	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3446	and return;
		3447
		3448	# always fsync - this file is important
		3449	aio_fsync $fh
		3450	and return;
		3451
		3452	# touch it again to show we are up-to-date
		3453	aio_utime $fh, undef, undef;
		3454
		3455	close $fh
		3456	or return;
		3457
		3458	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3459	and return;
		3460
		3461	warn "runtime file written.\n";
		3462
2220	}	3463	1
		3464	}
		3465
		3466	our $uuid_lock;
		3467	our $uuid_skip;
		3468
		3469	sub write_uuid_sync($) {
		3470	$uuid_skip ||= $_[0];
		3471
		3472	return if $uuid_lock;
		3473	local $uuid_lock = 1;
		3474
		3475	my $uuid = "$LOCALDIR/uuid";
		3476
		3477	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3478	or return;
		3479
		3480	my $value = uuid_seq uuid_cur;
		3481
		3482	unless ($value) {
		3483	warn "cowardly refusing to write zero uuid value!\n";
		3484	return;
		3485	}
		3486
		3487	my $value = uuid_str $value + $uuid_skip;
		3488	$uuid_skip = 0;
		3489
		3490	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3491	and return;
		3492
		3493	# always fsync - this file is important
		3494	aio_fsync $fh
		3495	and return;
		3496
		3497	close $fh
		3498	or return;
		3499
		3500	aio_rename "$uuid~", $uuid
		3501	and return;
		3502
		3503	warn "uuid file written ($value).\n";
		3504
		3505	1
		3506
		3507	}
		3508
		3509	sub write_uuid($$) {
		3510	my ($skip, $sync) = @_;
		3511
		3512	$sync ? write_uuid_sync $skip
		3513	: async { write_uuid_sync $skip };
2221	}	3514	}
2222		3515
2223	sub emergency_save() {	3516	sub emergency_save() {
2224	my $freeze_guard = cf::freeze_mainloop;	3517	my $freeze_guard = cf::freeze_mainloop;
2225		3518
2226	warn "enter emergency perl save\n";	3519	warn "emergency_perl_save: enter\n";
2227		3520
2228	cf::sync_job {	3521	cf::sync_job {
		3522	# this is a trade-off: we want to be very quick here, so
		3523	# save all maps without fsync, and later call a global sync
		3524	# (which in turn might be very very slow)
		3525	local $USE_FSYNC = 0;
		3526
2229	# use a peculiar iteration method to avoid tripping on perl	3527	# use a peculiar iteration method to avoid tripping on perl
2230	# refcount bugs in for. also avoids problems with players	3528	# refcount bugs in for. also avoids problems with players
2231	# and maps saved/Destroyed asynchronously.	3529	# and maps saved/destroyed asynchronously.
2232	warn "begin emergency player save\n";	3530	warn "emergency_perl_save: begin player save\n";
2233	for my $login (keys %cf::PLAYER) {	3531	for my $login (keys %cf::PLAYER) {
2234	my $pl = $cf::PLAYER{$login} or next;	3532	my $pl = $cf::PLAYER{$login} or next;
2235	$pl->valid or next;	3533	$pl->valid or next;
		3534	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2236	$pl->save;	3535	$pl->save;
2237	}	3536	}
2238	warn "end emergency player save\n";	3537	warn "emergency_perl_save: end player save\n";
2239		3538
2240	warn "begin emergency map save\n";	3539	warn "emergency_perl_save: begin map save\n";
2241	for my $path (keys %cf::MAP) {	3540	for my $path (keys %cf::MAP) {
2242	my $map = $cf::MAP{$path} or next;	3541	my $map = $cf::MAP{$path} or next;
2243	$map->valid or next;	3542	$map->valid or next;
2244	$map->save;	3543	$map->save;
2245	}	3544	}
2246	warn "end emergency map save\n";	3545	warn "emergency_perl_save: end map save\n";
		3546
		3547	warn "emergency_perl_save: begin database checkpoint\n";
		3548	BDB::db_env_txn_checkpoint $DB_ENV;
		3549	warn "emergency_perl_save: end database checkpoint\n";
		3550
		3551	warn "emergency_perl_save: begin write uuid\n";
		3552	write_uuid_sync 1;
		3553	warn "emergency_perl_save: end write uuid\n";
2247	};	3554	};
2248		3555
		3556	warn "emergency_perl_save: starting sync()\n";
		3557	IO::AIO::aio_sync sub {
		3558	warn "emergency_perl_save: finished sync()\n";
		3559	};
		3560
2249	warn "leave emergency perl save\n";	3561	warn "emergency_perl_save: leave\n";
2250	}	3562	}
2251		3563
		3564	sub post_cleanup {
		3565	my ($make_core) = @_;
		3566
		3567	warn Carp::longmess "post_cleanup backtrace"
		3568	if $make_core;
		3569
		3570	my $fh = pidfile;
		3571	unlink $PIDFILE if <$fh> == $$;
		3572	}
		3573
		3574	# a safer delete_package, copied from Symbol
		3575	sub clear_package($) {
		3576	my $pkg = shift;
		3577
		3578	# expand to full symbol table name if needed
		3579	unless ($pkg =~ /^main::.*::$/) {
		3580	$pkg = "main$pkg" if $pkg =~ /^::/;
		3581	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3582	$pkg .= '::' unless $pkg =~ /::$/;
		3583	}
		3584
		3585	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3586	my $stem_symtab = *{$stem}{HASH};
		3587
		3588	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3589	or return;
		3590
		3591	# clear all symbols
		3592	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3593	for my $name (keys %$leaf_symtab) {
		3594	_gv_clear *{"$pkg$name"};
		3595	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3596	}
		3597	warn "cleared package $pkg\n";#d#
		3598	}
		3599
2252	sub reload() {	3600	sub do_reload_perl() {
2253	# can/must only be called in main	3601	# can/must only be called in main
2254	if ($Coro::current != $Coro::main) {	3602	if ($Coro::current != $Coro::main) {
2255	warn "can only reload from main coroutine\n";	3603	warn "can only reload from main coroutine";
2256	return;	3604	return;
2257	}	3605	}
2258		3606
		3607	return if $RELOAD++;
		3608
		3609	my $t1 = EV::time;
		3610
		3611	while ($RELOAD) {
2259	warn "reloading...";	3612	warn "reloading...";
2260		3613
2261	my $guard = freeze_mainloop;	3614	warn "entering sync_job";
		3615
		3616	cf::sync_job {
		3617	cf::write_runtime_sync; # external watchdog should not bark
2262	cf::emergency_save;	3618	cf::emergency_save;
		3619	cf::write_runtime_sync; # external watchdog should not bark
2263		3620
2264	eval {	3621	warn "syncing database to disk";
		3622	BDB::db_env_txn_checkpoint $DB_ENV;
		3623
2265	# if anything goes wrong in here, we should simply crash as we already saved	3624	# if anything goes wrong in here, we should simply crash as we already saved
2266		3625
2267	# cancel all watchers	3626	warn "flushing outstanding aio requests";
2268	for (Event::all_watchers) {	3627	while (IO::AIO::nreqs || BDB::nreqs) {
2269	$_->cancel if $_->data & WF_AUTOCANCEL;	3628	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2270	}
2271
2272	# cancel all extension coros
2273	$_->cancel for values %EXT_CORO;
2274	%EXT_CORO = ();
2275
2276	# unload all extensions
2277	for (@exts) {
2278	warn "unloading <$_>";
2279	unload_extension $_;
2280	}
2281
2282	# unload all modules loaded from $LIBDIR
2283	while (my ($k, $v) = each %INC) {
2284	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2285
2286	warn "removing <$k>";
2287	delete $INC{$k};
2288
2289	$k =~ s/\.pm$//;
2290	$k =~ s/\//::/g;
2291
2292	if (my $cb = $k->can ("unload_module")) {
2293	$cb->();
2294	}	3629	}
2295		3630
2296	Symbol::delete_package $k;	3631	warn "cancelling all extension coros";
		3632	$_->cancel for values %EXT_CORO;
		3633	%EXT_CORO = ();
		3634
		3635	warn "removing commands";
		3636	%COMMAND = ();
		3637
		3638	warn "removing ext/exti commands";
		3639	%EXTCMD = ();
		3640	%EXTICMD = ();
		3641
		3642	warn "unloading/nuking all extensions";
		3643	for my $pkg (@EXTS) {
		3644	warn "... unloading $pkg";
		3645
		3646	if (my $cb = $pkg->can ("unload")) {
		3647	eval {
		3648	$cb->($pkg);
		3649	1
		3650	} or warn "$pkg unloaded, but with errors: $@";
		3651	}
		3652
		3653	warn "... clearing $pkg";
		3654	clear_package $pkg;
2297	}	3655	}
2298		3656
2299	# sync database to disk	3657	warn "unloading all perl modules loaded from $LIBDIR";
2300	cf::db_sync;	3658	while (my ($k, $v) = each %INC) {
2301	IO::AIO::flush;	3659	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2302		3660
		3661	warn "... unloading $k";
		3662	delete $INC{$k};
		3663
		3664	$k =~ s/\.pm$//;
		3665	$k =~ s/\//::/g;
		3666
		3667	if (my $cb = $k->can ("unload_module")) {
		3668	$cb->();
		3669	}
		3670
		3671	clear_package $k;
		3672	}
		3673
2303	# get rid of safe::, as good as possible	3674	warn "getting rid of safe::, as good as possible";
2304	Symbol::delete_package "safe::$_"	3675	clear_package "safe::$_"
2305	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3676	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2306		3677
2307	# remove register_script_function callbacks	3678	warn "unloading cf.pm \"a bit\"";
2308	# TODO
2309
2310	# unload cf.pm "a bit"
2311	delete $INC{"cf.pm"};	3679	delete $INC{"cf.pm"};
		3680	delete $INC{"cf/pod.pm"};
2312		3681
2313	# don't, removes xs symbols, too,	3682	# don't, removes xs symbols, too,
2314	# and global variables created in xs	3683	# and global variables created in xs
2315	#Symbol::delete_package __PACKAGE__;	3684	#clear_package __PACKAGE__;
2316		3685
2317	# reload cf.pm	3686	warn "unload completed, starting to reload now";
		3687
2318	warn "reloading cf.pm";	3688	warn "reloading cf.pm";
2319	require cf;	3689	require cf;
2320	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3690	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2321		3691
2322	# load config and database again	3692	warn "loading config and database again";
2323	cf::cfg_load;	3693	cf::reload_config;
2324	cf::db_load;
2325		3694
2326	# load extensions
2327	warn "load extensions";	3695	warn "loading extensions";
2328	cf::load_extensions;	3696	cf::load_extensions;
2329		3697
2330	# reattach attachments to objects	3698	if ($REATTACH_ON_RELOAD) {
2331	warn "reattach";	3699	warn "reattaching attachments to objects/players";
2332	_global_reattach;	3700	_global_reattach; # objects, sockets
		3701	warn "reattaching attachments to maps";
2333	reattach $_ for values %MAP;	3702	reattach $_ for values %MAP;
		3703	warn "reattaching attachments to players";
		3704	reattach $_ for values %PLAYER;
		3705	}
		3706
		3707	warn "running post_init jobs";
		3708	(pop @POST_INIT)->(1) while @POST_INIT;
		3709
		3710	warn "leaving sync_job";
		3711
		3712	1
		3713	} or do {
		3714	warn $@;
		3715	cf::cleanup "error while reloading, exiting.";
		3716	};
		3717
		3718	warn "reloaded";
		3719	--$RELOAD;
		3720	}
		3721
		3722	$t1 = EV::time - $t1;
		3723	warn "reload completed in ${t1}s\n";
		3724	};
		3725
		3726	our $RELOAD_WATCHER; # used only during reload
		3727
		3728	sub reload_perl() {
		3729	# doing reload synchronously and two reloads happen back-to-back,
		3730	# coro crashes during coro_state_free->destroy here.
		3731
		3732	$RELOAD_WATCHER ||= cf::async {
		3733	Coro::AIO::aio_wait cache_extensions;
		3734
		3735	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3736	do_reload_perl;
		3737	undef $RELOAD_WATCHER;
		3738	};
2334	};	3739	};
2335
2336	if ($@) {
2337	warn $@;
2338	warn "error while reloading, exiting.";
2339	exit 1;
2340	}
2341
2342	warn "reloaded successfully";
2343	};
2344
2345	#############################################################################
2346
2347	unless ($LINK_MAP) {
2348	$LINK_MAP = cf::map::new;
2349
2350	$LINK_MAP->width (41);
2351	$LINK_MAP->height (41);
2352	$LINK_MAP->alloc;
2353	$LINK_MAP->path ("{link}");
2354	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2355	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2356
2357	# dirty hack because... archetypes are not yet loaded
2358	Event->timer (
2359	after => 10,
2360	cb => sub {
2361	$_[0]->w->cancel;
2362
2363	# provide some exits "home"
2364	my $exit = cf::object::new "exit";
2365
2366	$exit->slaying ($EMERGENCY_POSITION->[0]);
2367	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2368	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2369
2370	$LINK_MAP->insert ($exit->clone, 19, 19);
2371	$LINK_MAP->insert ($exit->clone, 19, 20);
2372	$LINK_MAP->insert ($exit->clone, 19, 21);
2373	$LINK_MAP->insert ($exit->clone, 20, 19);
2374	$LINK_MAP->insert ($exit->clone, 20, 21);
2375	$LINK_MAP->insert ($exit->clone, 21, 19);
2376	$LINK_MAP->insert ($exit->clone, 21, 20);
2377	$LINK_MAP->insert ($exit->clone, 21, 21);
2378
2379	$exit->destroy;
2380	});
2381
2382	$LINK_MAP->{deny_save} = 1;
2383	$LINK_MAP->{deny_reset} = 1;
2384
2385	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2386	}	3740	}
2387
2388	register "<global>", __PACKAGE__;
2389		3741
2390	register_command "reload" => sub {	3742	register_command "reload" => sub {
2391	my ($who, $arg) = @_;	3743	my ($who, $arg) = @_;
2392		3744
2393	if ($who->flag (FLAG_WIZ)) {	3745	if ($who->flag (FLAG_WIZ)) {
2394	$who->message ("start of reload.");
2395	reload;
2396	$who->message ("end of reload.");	3746	$who->message ("reloading server.");
		3747	async {
		3748	$Coro::current->{desc} = "perl_reload";
		3749	reload_perl;
		3750	};
2397	}	3751	}
2398	};	3752	};
2399		3753
2400	unshift @INC, $LIBDIR;	3754	unshift @INC, $LIBDIR;
2401		3755
2402	$TICK_WATCHER = Event->timer (	3756	my $bug_warning = 0;
2403	reentrant => 0,	3757
2404	prio => 0,	3758	our @WAIT_FOR_TICK;
2405	at => $NEXT_TICK || $TICK,	3759	our @WAIT_FOR_TICK_BEGIN;
2406	data => WF_AUTOCANCEL,	3760
2407	cb => sub {	3761	sub wait_for_tick {
		3762	return if tick_inhibit || $Coro::current == $Coro::main;
		3763
		3764	my $signal = new Coro::Signal;
		3765	push @WAIT_FOR_TICK, $signal;
		3766	$signal->wait;
		3767	}
		3768
		3769	sub wait_for_tick_begin {
		3770	return if tick_inhibit || $Coro::current == $Coro::main;
		3771
		3772	my $signal = new Coro::Signal;
		3773	push @WAIT_FOR_TICK_BEGIN, $signal;
		3774	$signal->wait;
		3775	}
		3776
		3777	sub tick {
		3778	if ($Coro::current != $Coro::main) {
		3779	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3780	unless ++$bug_warning > 10;
		3781	return;
		3782	}
		3783
2408	cf::server_tick; # one server iteration	3784	cf::server_tick; # one server iteration
2409	$RUNTIME += $TICK;
2410	$NEXT_TICK += $TICK;
2411		3785
2412	$WAIT_FOR_TICK->broadcast;	3786	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2413	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3787	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2414		3788	Coro::async_pool {
2415	# if we are delayed by four ticks or more, skip them all	3789	$Coro::current->{desc} = "runtime saver";
2416	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2417
2418	$TICK_WATCHER->at ($NEXT_TICK);
2419	$TICK_WATCHER->start;
2420	},
2421	);
2422
2423	IO::AIO::max_poll_time $TICK * 0.2;
2424
2425	Event->io (
2426	fd => IO::AIO::poll_fileno,
2427	poll => 'r',
2428	prio => 5,
2429	data => WF_AUTOCANCEL,
2430	cb => \&IO::AIO::poll_cb,
2431	);
2432
2433	Event->timer (
2434	data => WF_AUTOCANCEL,
2435	after => 0,
2436	interval => 10,
2437	cb => sub {
2438	(Coro::unblock_sub {
2439	write_runtime	3790	write_runtime_sync
2440	or warn "ERROR: unable to write runtime file: $!";	3791	or warn "ERROR: unable to write runtime file: $!";
2441	})->();	3792	};
2442	},	3793	}
2443	);	3794
		3795	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3796	$sig->send;
		3797	}
		3798	while (my $sig = shift @WAIT_FOR_TICK) {
		3799	$sig->send;
		3800	}
		3801
		3802	$LOAD = ($NOW - $TICK_START) / $TICK;
		3803	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3804
		3805	if (0) {
		3806	if ($NEXT_TICK) {
		3807	my $jitter = $TICK_START - $NEXT_TICK;
		3808	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3809	warn "jitter $JITTER\n";#d#
		3810	}
		3811	}
		3812	}
		3813
		3814	{
		3815	# configure BDB
		3816
		3817	BDB::min_parallel 8;
		3818	BDB::max_poll_reqs $TICK * 0.1;
		3819	$AnyEvent::BDB::WATCHER->priority (1);
		3820
		3821	unless ($DB_ENV) {
		3822	$DB_ENV = BDB::db_env_create;
		3823	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3824	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3825	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3826	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3827	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3828
		3829	cf::sync_job {
		3830	eval {
		3831	BDB::db_env_open
		3832	$DB_ENV,
		3833	$BDBDIR,
		3834	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3835	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3836	0666;
		3837
		3838	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3839	};
		3840
		3841	cf::cleanup "db_env_open(db): $@" if $@;
		3842	};
		3843	}
		3844
		3845	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3846	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3847	};
		3848	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3849	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3850	};
		3851	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3852	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3853	};
		3854	}
		3855
		3856	{
		3857	# configure IO::AIO
		3858
		3859	IO::AIO::min_parallel 8;
		3860	IO::AIO::max_poll_time $TICK * 0.1;
		3861	undef $AnyEvent::AIO::WATCHER;
		3862	}
		3863
		3864	my $_log_backtrace;
		3865
		3866	sub _log_backtrace {
		3867	my ($msg, @addr) = @_;
		3868
		3869	$msg =~ s/\n//;
		3870
		3871	# limit the # of concurrent backtraces
		3872	if ($_log_backtrace < 2) {
		3873	++$_log_backtrace;
		3874	my $perl_bt = Carp::longmess $msg;
		3875	async {
		3876	$Coro::current->{desc} = "abt $msg";
		3877
		3878	my @bt = fork_call {
		3879	@addr = map { sprintf "%x", $_ } @addr;
		3880	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3881	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3882	or die "addr2line: $!";
		3883
		3884	my @funcs;
		3885	my @res = <$fh>;
		3886	chomp for @res;
		3887	while (@res) {
		3888	my ($func, $line) = splice @res, 0, 2, ();
		3889	push @funcs, "[$func] $line";
		3890	}
		3891
		3892	@funcs
		3893	};
		3894
		3895	LOG llevInfo, "[ABT] $perl_bt\n";
		3896	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3897	LOG llevInfo, "[ABT] $_\n" for @bt;
		3898	--$_log_backtrace;
		3899	};
		3900	} else {
		3901	LOG llevInfo, "[ABT] $msg\n";
		3902	LOG llevInfo, "[ABT] [suppressed]\n";
		3903	}
		3904	}
		3905
		3906	# load additional modules
		3907	use cf::pod;
2444		3908
2445	END { cf::emergency_save }	3909	END { cf::emergency_save }
2446		3910
2447	1	3911	1
2448		3912

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