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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.211 by root, Tue Feb 13 16:23:32 2007 UTC vs.
Revision 1.465 by root, Thu Jan 8 00:54:55 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 3.5 ();	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 ();
20	use BDB ();	54	use BDB ();
21	use Data::Dumper;	55	use Data::Dumper;
22	use Digest::MD5;	56	use Digest::MD5;
23	use Fcntl;	57	use Fcntl;
		58	use YAML ();
24	use IO::AIO 2.32 ();	59	use IO::AIO ();
25	use YAML::Syck ();
26	use Time::HiRes;	60	use Time::HiRes;
27	use Compress::LZF;	61	use Compress::LZF;
		62	use Digest::MD5 ();
28		63
		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";
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		76
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		78
40	our %COMMAND = ();	79	our %COMMAND = ();
41	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
42		81
43	our @EXTS = (); # list of extension package names	82	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	83	our %EXTCMD = ();
		84	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	85	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	86	our %EXT_MAP = (); # pluggable maps
47		87
		88	our $RELOAD; # number of reloads so far, non-zero while in reload
48	our @EVENT;	89	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		90
51	our $TICK = MAX_TIME * 1e-6;	91	our $CONFDIR = confdir;
52	our $TICK_WATCHER;	92	our $DATADIR = datadir;
53	our $AIO_POLL_WATCHER;	93	our $LIBDIR = "$DATADIR/ext";
54	our $WRITE_RUNTIME_WATCHER;	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
55	our $NEXT_TICK;	109	our $NEXT_TICK;
56	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	110	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		111
		112	our $BDB_DEADLOCK_WATCHER;
		113	our $BDB_CHECKPOINT_WATCHER;
59	our $BDB_POLL_WATCHER;	114	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	115	our $DB_ENV;
61		116
62	our %CFG;	117	our %CFG;
63		118
64	our $UPTIME; $UPTIME ||= time;	119	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	120	our $RUNTIME;
		121	our $NOW;
66		122
67	our %PLAYER; # all users	123	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	124	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	125	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		126
76	# used to convert map paths into valid unix filenames by replacing / by ∕	127	# used to convert map paths into valid unix filenames by replacing / by ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	128	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		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 $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
		138
79	binmode STDOUT;	139	binmode STDOUT;
80	binmode STDERR;	140	binmode STDERR;
81		141
82	# read virtual server time, if available	142	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	143	unless ($RUNTIME || !-e $RUNTIMEFILE) {
84	open my $fh, "<", cf::localdir . "/runtime"	144	open my $fh, "<", $RUNTIMEFILE
85	or die "unable to read runtime file: $!";	145	or die "unable to read $RUNTIMEFILE file: $!";
86	$RUNTIME = <$fh> + 0.;	146	$RUNTIME = <$fh> + 0.;
87	}	147	}
88		148
89	mkdir cf::localdir;	149	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	150	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91	mkdir cf::localdir . "/" . cf::tmpdir;
92	mkdir cf::localdir . "/" . cf::uniquedir;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		151
96	our $EMERGENCY_POSITION;	152	our $EMERGENCY_POSITION;
97		153
98	sub cf::map::normalise;	154	sub cf::map::normalise;
99		155
…		…
110	=item $cf::RUNTIME	166	=item $cf::RUNTIME
111		167
112	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
113	every server tick.	169	every server tick.
114		170
115	=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
116		174
117	The perl library directory, where extensions and cf-specific modules can	175	Various directories - "/etc", read-only install directory, perl-library
118	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.
119		179
120	=item $cf::NOW	180	=item $cf::NOW
121		181
122	The time of the last (current) server tick.	182	The time of the last (current) server tick.
123		183
124	=item $cf::TICK	184	=item $cf::TICK
125		185
126	The interval between server ticks, in seconds.	186	The interval between server ticks, in seconds.
127		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
128	=item %cf::CFG	198	=item %cf::CFG
129		199
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	200	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	201	from wherever your confdir points to.
132		202
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	203	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		204
135	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
136	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
137	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.
138	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.
139		214
140	=back	215	=back
141		216
142	=cut	217	=cut
143		218
144	BEGIN {	219	BEGIN {
145	*CORE::GLOBAL::warn = sub {	220	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	221	my $msg = join "", @_;
147	utf8::encode $msg;
148		222
149	$msg .= "\n"	223	$msg .= "\n"
150	unless $msg =~ /\n$/;	224	unless $msg =~ /\n$/;
151		225
		226	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		227
152	LOG llevError, $msg;	228	LOG llevError, $msg;
153	};	229	};
154	}	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#?
155		246
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	247	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	248	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	249	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	250	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@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';
161	@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)
162		254
163	# 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
164	# within the Safe compartment.	256	# within the Safe compartment.
165	for my $pkg (qw(	257	for my $pkg (qw(
166	cf::global cf::attachable	258	cf::global cf::attachable
167	cf::object cf::object::player	259	cf::object cf::object::player
168	cf::client cf::player	260	cf::client cf::player
169	cf::arch cf::living	261	cf::arch cf::living
		262	cf::map cf::mapspace
170	cf::map cf::party cf::region	263	cf::party cf::region
171	)) {	264	)) {
172	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	265	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	266	}
175		267
176	$Event::DIED = sub {	268	$EV::DIED = sub {
177	warn "error in event callback: @_";	269	warn "error in event callback: @_";
178	};	270	};
		271
		272	#############################################################################
179		273
180	=head2 UTILITY FUNCTIONS	274	=head2 UTILITY FUNCTIONS
181		275
182	=over 4	276	=over 4
183		277
…		…
202	$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;
203	$d	297	$d
204	} || "[unable to dump $_[0]: '$@']";	298	} || "[unable to dump $_[0]: '$@']";
205	}	299	}
206		300
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	301	=item $ref = cf::decode_json $json
210		302
211	Converts a JSON string into the corresponding perl data structure.	303	Converts a JSON string into the corresponding perl data structure.
212		304
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	305	=item $json = cf::encode_json $ref
221		306
222	Converts a perl data structure into its JSON representation.	307	Converts a perl data structure into its JSON representation.
223		308
224	=cut	309	=cut
225		310
226	sub to_json($) {	311	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	312
228	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;
229	}	328	}
230		329
231	=item cf::lock_wait $string	330	=item cf::lock_wait $string
232		331
233	Wait until the given lock is available. See cf::lock_acquire.	332	Wait until the given lock is available. See cf::lock_acquire.
234		333
235	=item my $lock = cf::lock_acquire $string	334	=item my $lock = cf::lock_acquire $string
236		335
237	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
238	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,
239	for example when the coroutine gets canceled), the lock is automatically	338	for example when the coroutine gets canceled), the lock is automatically
240	returned.	339	returned.
241		340
		341	Locks are *not* recursive, locking from the same coro twice results in a
		342	deadlocked coro.
		343
242	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
243	uses map_find and cf::map::load uses map_load).	345	uses map_find and cf::map::load uses map_load).
244		346
245	=cut	347	=item $locked = cf::lock_active $string
246		348
247	our %LOCK;	349	Return true if the lock is currently active, i.e. somebody has locked it.
		350
		351	=cut
		352
		353	our $LOCKS = new Coro::SemaphoreSet;
248		354
249	sub lock_wait($) {	355	sub lock_wait($) {
250	my ($key) = @_;	356	$LOCKS->wait ($_[0]);
251
252	# wait for lock, if any
253	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;
256	}
257	}	357	}
258		358
259	sub lock_acquire($) {	359	sub lock_acquire($) {
260	my ($key) = @_;	360	$LOCKS->guard ($_[0])
		361	}
261		362
262	# wait, to be sure we are not locked	363	sub lock_active($) {
263	lock_wait $key;	364	$LOCKS->count ($_[0]) < 1
264
265	$LOCK{$key} = [];
266
267	Coro::guard {
268	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };
270	}
271	}	365	}
272		366
273	sub freeze_mainloop {	367	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
275		369
276	my $guard = Coro::guard {	370	&Guard::guard (\&tick_inhibit_dec);
277	$TICK_WATCHER->start;	371	}
278	$WRITE_RUNTIME_WATCHER->start;	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($$) {
		381	my ($interval, $cb) = @_;
		382
		383	my $start = rand List::Util::min 180, $interval;
		384
		385	EV::periodic $start, $interval, 0, $cb
		386	}
		387
		388	=item cf::get_slot $time[, $priority[, $name]]
		389
		390	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		391	This call blocks and returns only when you have at least C<$time> seconds
		392	of cpu time till the next tick. The slot is only valid till the next cede.
		393
		394	The optional C<$name> can be used to identify the job to run. It might be
		395	used for statistical purposes and should identify the same time-class.
		396
		397	Useful for short background jobs.
		398
		399	=cut
		400
		401	our @SLOT_QUEUE;
		402	our $SLOT_QUEUE;
		403
		404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		405	$SLOT_QUEUE = Coro::async {
		406	$Coro::current->desc ("timeslot manager");
		407
		408	my $signal = new Coro::Signal;
		409
		410	while () {
		411	next_job:
		412	my $avail = cf::till_tick;
		413	if ($avail > 0.01) {
		414	for (0 .. $#SLOT_QUEUE) {
		415	if ($SLOT_QUEUE[$_][0] < $avail) {
		416	my $job = splice @SLOT_QUEUE, $_, 1, ();
		417	$job->[2]->send;
		418	Coro::cede;
		419	goto next_job;
		420	}
		421	}
		422	}
		423
		424	if (@SLOT_QUEUE) {
		425	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		426	push @cf::WAIT_FOR_TICK, $signal;
		427	$signal->wait;
		428	} else {
		429	Coro::schedule;
		430	}
279	};	431	}
280	$WRITE_RUNTIME_WATCHER->stop;	432	};
281	$TICK_WATCHER->stop;	433
282	$guard	434	sub get_slot($;$$) {
		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	$sig->wait;
283	}	446	}
284		447
285	=item cf::async { BLOCK }	448	=item cf::async { BLOCK }
286		449
287	Currently the same as Coro::async_pool, meaning you cannot use	450	Currently the same as Coro::async_pool, meaning you cannot use
…		…
292		455
293	BEGIN { *async = \&Coro::async_pool }	456	BEGIN { *async = \&Coro::async_pool }
294		457
295	=item cf::sync_job { BLOCK }	458	=item cf::sync_job { BLOCK }
296		459
297	The design of crossfire+ requires that the main coro ($Coro::main) is	460	The design of Deliantra requires that the main coroutine ($Coro::main)
298	always able to handle events or runnable, as crossfire+ is only partly	461	is always able to handle events or runnable, as Deliantra is only
299	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	462	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		463	acceptable.
300		464
301	If it must be done, put the blocking parts into C<sync_job>. This will run	465	If it must be done, put the blocking parts into C<sync_job>. This will run
302	the given BLOCK in another coroutine while waiting for the result. The	466	the given BLOCK in another coroutine while waiting for the result. The
303	server will be frozen during this time, so the block should either finish	467	server will be frozen during this time, so the block should either finish
304	fast or be very important.	468	fast or be very important.
…		…
307		471
308	sub sync_job(&) {	472	sub sync_job(&) {
309	my ($job) = @_;	473	my ($job) = @_;
310		474
311	if ($Coro::current == $Coro::main) {	475	if ($Coro::current == $Coro::main) {
		476	my $time = EV::time;
		477
312	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
313	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
314		480
315	# TODO: use suspend/resume instead	481	LOG llevError, Carp::longmess "sync job";#d#
316	# (but this is cancel-safe)	482
317	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
318		484
319	my $busy = 1;	485	my $busy = 1;
320	my @res;	486	my @res;
321		487
322	(async {	488	(async {
		489	$Coro::current->desc ("sync job coro");
323	@res = eval { $job->() };	490	@res = eval { $job->() };
324	warn $@ if $@;	491	warn $@ if $@;
325	undef $busy;	492	undef $busy;
326	})->prio (Coro::PRIO_MAX);	493	})->prio (Coro::PRIO_MAX);
327		494
328	while ($busy) {	495	while ($busy) {
329	Coro::cede or Event::one_event;	496	if (Coro::nready) {
		497	Coro::cede_notself;
		498	} else {
		499	EV::loop EV::LOOP_ONESHOT;
330	}	500	}
		501	}
		502
		503	my $time = EV::time - $time;
		504
		505	$TICK_START += $time; # do not account sync jobs to server load
331		506
332	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
333	} else {	508	} else {
334	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
335		510
…		…
355	$EXT_CORO{$coro+0} = $coro;	530	$EXT_CORO{$coro+0} = $coro;
356		531
357	$coro	532	$coro
358	}	533	}
359		534
360	sub write_runtime {	535	=item fork_call { }, $args
361	$TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1;
362		536
363	my $runtime = cf::localdir . "/runtime";	537	Executes the given code block with the given arguments in a seperate
		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.
364		541
365	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	542	=cut
366	or return;
367		543
368	my $value = $cf::RUNTIME + 90 + 10;	544	sub fork_call(&@) {
369	# 10 is the runtime save interval, for a monotonic clock	545	my ($cb, @args) = @_;
370	# 60 allows for the watchdog to kill the server.
371		546
372	(aio_write $fh, 0, (length $value), $value, 0) <= 0	547	# we seemingly have to make a local copy of the whole thing,
373	and return;	548	# otherwise perl prematurely frees the stuff :/
		549	# TODO: investigate and fix (likely this will be rather laborious)
374		550
375	# always fsync - this file is important	551	my @res = Coro::Util::fork_eval {
376	aio_fsync $fh	552	reset_signals;
377	and return;	553	&$cb
		554	}, @args;
378		555
379	close $fh	556	wantarray ? @res : $res[-1]
380	or return;	557	}
381		558
382	aio_rename "$runtime~", $runtime	559	=item $coin = coin_from_name $name
383	and return;
384		560
		561	=cut
		562
		563	our %coin_alias = (
		564	"silver" => "silvercoin",
		565	"silvercoin" => "silvercoin",
		566	"silvercoins" => "silvercoin",
		567	"gold" => "goldcoin",
		568	"goldcoin" => "goldcoin",
		569	"goldcoins" => "goldcoin",
		570	"platinum" => "platinacoin",
		571	"platinumcoin" => "platinacoin",
		572	"platinumcoins" => "platinacoin",
		573	"platina" => "platinacoin",
		574	"platinacoin" => "platinacoin",
		575	"platinacoins" => "platinacoin",
		576	"royalty" => "royalty",
		577	"royalties" => "royalty",
		578	);
		579
		580	sub coin_from_name($) {
		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($$) {
		628	my $key = "$_[0]/$_[1]";
		629
		630	cf::sync_job {
		631	BDB::db_get $DB, undef, $key, my $data;
		632
		633	$! ? ()
		634	: $data
385	1	635	}
		636	}
		637
		638	sub db_put($$$) {
		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 });
386	}	722	}
387		723
388	=back	724	=back
389		725
390	=cut	726	=cut
391		727
392	#############################################################################	728	#############################################################################
393		729
394	=head2 ATTACHABLE OBJECTS	730	=head2 ATTACHABLE OBJECTS
395		731
396	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
397	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")
398	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
399		735
400	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>
401	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
402	crossfire+).	738	Deliantra).
403		739
404	=over 4	740	=over 4
405		741
406	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
407		743
…		…
451	=item cf::CLASS::attachment $name, ...	787	=item cf::CLASS::attachment $name, ...
452		788
453	Register an attachment by C<$name> through which attachable objects of the	789	Register an attachment by C<$name> through which attachable objects of the
454	given CLASS can refer to this attachment.	790	given CLASS can refer to this attachment.
455		791
456	Some classes such as crossfire maps and objects can specify attachments	792	Some classes such as deliantra maps and objects can specify attachments
457	that are attached at load/instantiate time, thus the need for a name.	793	that are attached at load/instantiate time, thus the need for a name.
458		794
459	These calls expect any number of the following handler/hook descriptions:	795	These calls expect any number of the following handler/hook descriptions:
460		796
461	=over 4	797	=over 4
…		…
570	$registry = $CB_TYPE[$object_type] ||= [];	906	$registry = $CB_TYPE[$object_type] ||= [];
571		907
572	} elsif ($type eq "subtype") {	908	} elsif ($type eq "subtype") {
573	defined $object_type or Carp::croak "subtype specified without type";	909	defined $object_type or Carp::croak "subtype specified without type";
574	my $object_subtype = shift @arg;	910	my $object_subtype = shift @arg;
575	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	911	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
576		912
577	} elsif ($type eq "package") {	913	} elsif ($type eq "package") {
578	my $pkg = shift @arg;	914	my $pkg = shift @arg;
579		915
580	while (my ($name, $id) = each %cb_id) {	916	while (my ($name, $id) = each %cb_id) {
…		…
609	_attach $registry, $klass, @attach;	945	_attach $registry, $klass, @attach;
610	}	946	}
611		947
612	$obj->{$name} = \%arg;	948	$obj->{$name} = \%arg;
613	} else {	949	} else {
614	warn "object uses attachment '$name' that is not available, postponing.\n";	950	warn "object uses attachment '$name' which is not available, postponing.\n";
615	}	951	}
616		952
617	$obj->{_attachment}{$name} = undef;	953	$obj->{_attachment}{$name} = undef;
618	}	954	}
619		955
…		…
621	if (ref $_[0]) {	957	if (ref $_[0]) {
622	_object_attach @_;	958	_object_attach @_;
623	} else {	959	} else {
624	_attach shift->_attach_registry, @_;	960	_attach shift->_attach_registry, @_;
625	}	961	}
		962	_recalc_want;
626	};	963	};
627		964
628	# all those should be optimised	965	# all those should be optimised
629	sub cf::attachable::detach {	966	sub cf::attachable::detach {
630	my ($obj, $name) = @_;	967	my ($obj, $name) = @_;
…		…
633	delete $obj->{_attachment}{$name};	970	delete $obj->{_attachment}{$name};
634	reattach ($obj);	971	reattach ($obj);
635	} else {	972	} else {
636	Carp::croak "cannot, currently, detach class attachments";	973	Carp::croak "cannot, currently, detach class attachments";
637	}	974	}
		975	_recalc_want;
638	};	976	};
639		977
640	sub cf::attachable::attached {	978	sub cf::attachable::attached {
641	my ($obj, $name) = @_;	979	my ($obj, $name) = @_;
642		980
…		…
657	";	995	";
658	die if $@;	996	die if $@;
659	}	997	}
660		998
661	our $override;	999	our $override;
662	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?
663		1001
664	sub override {	1002	sub override {
665	$override = 1;	1003	$override = 1;
666	@invoke_results = ();	1004	@INVOKE_RESULTS = (@_);
667	}	1005	}
668		1006
669	sub do_invoke {	1007	sub do_invoke {
670	my $event = shift;	1008	my $event = shift;
671	my $callbacks = shift;	1009	my $callbacks = shift;
672		1010
673	@invoke_results = ();	1011	@INVOKE_RESULTS = ();
674		1012
675	local $override;	1013	local $override;
676		1014
677	for (@$callbacks) {	1015	for (@$callbacks) {
678	eval { &{$_->[1]} };	1016	eval { &{$_->[1]} };
…		…
687	}	1025	}
688		1026
689	0	1027	0
690	}	1028	}
691		1029
692	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
693		1031
694	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
695		1033
696	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
697		1035
698	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
699	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
700	results (if you must, access C<@cf::invoke_results> directly).	1038	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
701		1039
702	=back	1040	=back
703		1041
704	=cut	1042	=cut
705		1043
706	#############################################################################	1044	#############################################################################
707	# 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, $ob2
		1087	}
708		1088
709	sub reattach {	1089	sub reattach {
710	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
711	my ($obj) = @_;	1091	my ($obj) = @_;
712		1092
		1093	# no longer needed after getting rid of delete_package?
713	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1094	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
714		1095
715	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
716		1097
717	@$registry = ();	1098	@$registry = ();
718		1099
…		…
733	cf::attachable->attach (	1114	cf::attachable->attach (
734	prio => -1000000,	1115	prio => -1000000,
735	on_instantiate => sub {	1116	on_instantiate => sub {
736	my ($obj, $data) = @_;	1117	my ($obj, $data) = @_;
737		1118
738	$data = from_json $data;	1119	$data = decode_json $data;
739		1120
740	for (@$data) {	1121	for (@$data) {
741	my ($name, $args) = @$_;	1122	my ($name, $args) = @$_;
742		1123
743	$obj->attach ($name, %{$args || {} });	1124	$obj->attach ($name, %{$args || {} });
…		…
759	sub object_freezer_save {	1140	sub object_freezer_save {
760	my ($filename, $rdata, $objs) = @_;	1141	my ($filename, $rdata, $objs) = @_;
761		1142
762	sync_job {	1143	sync_job {
763	if (length $$rdata) {	1144	if (length $$rdata) {
		1145	utf8::decode (my $decname = $filename);
764	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
765	$filename, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
766		1148
767	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
768	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
769	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
770	aio_fsync $fh if $cf::USE_FSYNC;	1152	aio_fsync $fh if $cf::USE_FSYNC;
771	close $fh;	1153	aio_close $fh;
772		1154
773	if (@$objs) {	1155	if (@$objs) {
774	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) {
775	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
776	my $data = Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
777	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
778	aio_fsync $fh if $cf::USE_FSYNC;	1160	aio_fsync $fh if $cf::USE_FSYNC;
779	close $fh;	1161	aio_close $fh;
780	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
781	}	1163	}
782	} else {	1164	} else {
783	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
784	}	1166	}
785		1167
786	aio_rename "$filename~", $filename;	1168	aio_rename "$filename~", $filename;
		1169
		1170	$filename =~ s%/[^/]+$%%;
		1171	aio_pathsync $filename if $cf::USE_FSYNC;
787	} else {	1172	} else {
788	warn "FATAL: $filename~: $!\n";	1173	warn "unable to save objects: $filename~: $!\n";
789	}	1174	}
790	} else {	1175	} else {
791	aio_unlink $filename;	1176	aio_unlink $filename;
792	aio_unlink "$filename.pst";	1177	aio_unlink "$filename.pst";
793	}	1178	}
794
795	#d##TODO# nuke non .map-files if exist
796	if ($filename =~ s/\.map$//) {
797	aio_unlink $filename;
798	aio_unlink "$filename.pst";
799	}
800	}	1179	};
801	}	1180	}
802		1181
803	sub object_freezer_as_string {	1182	sub object_freezer_as_string {
804	my ($rdata, $objs) = @_;	1183	my ($rdata, $objs) = @_;
805		1184
…		…
810		1189
811	sub object_thawer_load {	1190	sub object_thawer_load {
812	my ($filename) = @_;	1191	my ($filename) = @_;
813		1192
814	my ($data, $av);	1193	my ($data, $av);
815
816	#d#TODO remove .map if file does not exist
817	aio_stat $filename and $filename =~ s/\.map$//;
818		1194
819	(aio_load $filename, $data) >= 0	1195	(aio_load $filename, $data) >= 0
820	or return;	1196	or return;
821		1197
822	unless (aio_stat "$filename.pst") {	1198	unless (aio_stat "$filename.pst") {
823	(aio_load "$filename.pst", $av) >= 0	1199	(aio_load "$filename.pst", $av) >= 0
824	or return;	1200	or return;
		1201
825	$av = eval { (Storable::thaw $av)->{objs} };	1202	my $st = eval { Coro::Storable::thaw $av };
		1203	$av = $st->{objs};
826	}	1204	}
827		1205
		1206	utf8::decode (my $decname = $filename);
828	warn sprintf "loading %s (%d)\n",	1207	warn sprintf "loading %s (%d,%d)\n",
829	$filename, length $data, scalar @{$av || []};#d#	1208	$decname, length $data, scalar @{$av || []};
		1209
830	return ($data, $av);	1210	($data, $av)
831	}	1211	}
		1212
		1213	=head2 COMMAND CALLBACKS
		1214
		1215	=over 4
		1216
		1217	=cut
832		1218
833	#############################################################################	1219	#############################################################################
834	# command handling &c	1220	# command handling &c
835		1221
836	=item cf::register_command $name => \&callback($ob,$args);	1222	=item cf::register_command $name => \&callback($ob,$args);
…		…
849	push @{ $COMMAND{$name} }, [$caller, $cb];	1235	push @{ $COMMAND{$name} }, [$caller, $cb];
850	}	1236	}
851		1237
852	=item cf::register_extcmd $name => \&callback($pl,$packet);	1238	=item cf::register_extcmd $name => \&callback($pl,$packet);
853		1239
854	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.
855		1245
856	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
857	called.	1247	called.
858		1248
		1249	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1250
		1251	Register a callback for execution when the client sends an (asynchronous)
		1252	exticmd packet. Exti commands are processed by the server as soon as they
		1253	are received, i.e. out of order w.r.t. other commands. The first argument
		1254	is a client socket. Exti commands can be received anytime, even before
		1255	log-in.
		1256
		1257	If the callback returns something, it is sent back as if reply was being
		1258	called.
		1259
859	=cut	1260	=cut
860		1261
861	sub register_extcmd {	1262	sub register_extcmd {
862	my ($name, $cb) = @_;	1263	my ($name, $cb) = @_;
863		1264
864	$EXTCMD{$name} = $cb;	1265	$EXTCMD{$name} = $cb;
865	}	1266	}
		1267
		1268	sub register_exticmd {
		1269	my ($name, $cb) = @_;
		1270
		1271	$EXTICMD{$name} = $cb;
		1272	}
		1273
		1274	use File::Glob ();
866		1275
867	cf::player->attach (	1276	cf::player->attach (
868	on_command => sub {	1277	on_command => sub {
869	my ($pl, $name, $params) = @_;	1278	my ($pl, $name, $params) = @_;
870		1279
…		…
878	cf::override;	1287	cf::override;
879	},	1288	},
880	on_extcmd => sub {	1289	on_extcmd => sub {
881	my ($pl, $buf) = @_;	1290	my ($pl, $buf) = @_;
882		1291
883	my $msg = eval { from_json $buf };	1292	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
884		1293
885	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
886	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1302	if (my $cb = $EXTCMD{$type}) {
887	if (my %reply = $cb->($pl, $msg)) {	1303	@reply = $cb->($pl, @payload);
888	$pl->ext_reply ($msg->{msgid}, %reply);
889	}
890	}	1304	}
		1305
		1306	$pl->ext_reply ($reply, @reply)
		1307	if $reply;
		1308
891	} else {	1309	} else {
892	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1310	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
893	}	1311	}
894		1312
895	cf::override;	1313	cf::override;
896	},	1314	},
897	);	1315	);
898		1316
		1317	# "readahead" all extensions
899	sub load_extension {	1318	sub cache_extensions {
900	my ($path) = @_;	1319	my $grp = IO::AIO::aio_group;
901		1320
902	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1321	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
903	my $base = $1;	1322	for (grep /\.ext$/, @{$_[0]}) {
904	my $pkg = $1;	1323	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
905	$pkg =~ s/[^[:word:]]/_/g;
906	$pkg = "ext::$pkg";
907
908	warn "... loading '$path' into '$pkg'\n";
909
910	open my $fh, "<:utf8", $path
911	or die "$path: $!";
912
913	my $source =
914	"package $pkg; use strict; use utf8;\n"
915	. "#line 1 \"$path\"\n{\n"
916	. (do { local $/; <$fh> })
917	. "\n};\n1";
918
919	unless (eval $source) {
920	my $msg = $@ ? "$path: $@\n"
921	: "extension disabled.\n";
922	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
923	warn $@;
924	warn "mandatory extension failed to load, exiting.\n";
925	exit 1;
926	}	1324	}
927	die $@;
928	}	1325	};
929		1326
930	push @EXTS, $pkg;	1327	$grp
931	}	1328	}
932		1329
933	sub load_extensions {	1330	sub load_extensions {
		1331	cf::sync_job {
		1332	my %todo;
		1333
934	for my $ext (<$LIBDIR/*.ext>) {	1334	for my $path (<$LIBDIR/*.ext>) {
935	next unless -r $ext;	1335	next unless -r $path;
936	eval {	1336
937	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	$progress = 1;
938	1	1393	}
939	} or warn "$ext not loaded: $@";	1394
		1395	skip:
		1396	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1397	unless $progress;
		1398	}
940	}	1399	};
941	}	1400	}
942		1401
943	#############################################################################	1402	#############################################################################
944		1403
		1404	=back
		1405
945	=head2 CORE EXTENSIONS	1406	=head2 CORE EXTENSIONS
946		1407
947	Functions and methods that extend core crossfire objects.	1408	Functions and methods that extend core deliantra objects.
948		1409
949	=cut	1410	=cut
950		1411
951	package cf::player;	1412	package cf::player;
952		1413
…		…
954		1415
955	=head3 cf::player	1416	=head3 cf::player
956		1417
957	=over 4	1418	=over 4
958		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
959	=item cf::player::find $login	1434	=item cf::player::find $login
960		1435
961	Returns the given player object, loading it if necessary (might block).	1436	Returns the given player object, loading it if necessary (might block).
962		1437
963	=cut	1438	=cut
964		1439
965	sub playerdir($) {	1440	sub playerdir($) {
966	cf::localdir	1441	"$PLAYERDIR/"
967	. "/"
968	. cf::playerdir
969	. "/"
970	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1442	. (ref $_[0] ? $_[0]->ob->name : $_[0])
971	}	1443	}
972		1444
973	sub path($) {	1445	sub path($) {
974	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1446	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
975		1447
976	(playerdir $login) . "/$login.pl"	1448	(playerdir $login) . "/playerdata"
977	}	1449	}
978		1450
979	sub find_active($) {	1451	sub find_active($) {
980	$cf::PLAYER{$_[0]}	1452	$cf::PLAYER{$_[0]}
981	and $cf::PLAYER{$_[0]}->active	1453	and $cf::PLAYER{$_[0]}->active
…		…
984		1456
985	sub exists($) {	1457	sub exists($) {
986	my ($login) = @_;	1458	my ($login) = @_;
987		1459
988	$cf::PLAYER{$login}	1460	$cf::PLAYER{$login}
989	or cf::sync_job { !aio_stat path $login }	1461	or !aio_stat path $login
990	}	1462	}
991		1463
992	sub find($) {	1464	sub find($) {
993	return $cf::PLAYER{$_[0]} || do {	1465	return $cf::PLAYER{$_[0]} || do {
994	my $login = $_[0];	1466	my $login = $_[0];
995		1467
996	my $guard = cf::lock_acquire "user_find:$login";	1468	my $guard = cf::lock_acquire "user_find:$login";
997		1469
998	$cf::PLAYER{$_[0]} || do {	1470	$cf::PLAYER{$_[0]} || do {
999	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
1000	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;
1001	$cf::PLAYER{$login} = $pl	1486	$cf::PLAYER{$login} = $pl
1002	}	1487	}
1003	}	1488	}
1004	}	1489	}
1005		1490
…		…
1014	return if $pl->{deny_save};	1499	return if $pl->{deny_save};
1015		1500
1016	aio_mkdir playerdir $pl, 0770;	1501	aio_mkdir playerdir $pl, 0770;
1017	$pl->{last_save} = $cf::RUNTIME;	1502	$pl->{last_save} = $cf::RUNTIME;
1018		1503
		1504	cf::get_slot 0.01;
		1505
1019	$pl->save_pl ($path);	1506	$pl->save_pl ($path);
1020	Coro::cede;	1507	cf::cede_to_tick;
1021	}	1508	}
1022		1509
1023	sub new($) {	1510	sub new($) {
1024	my ($login) = @_;	1511	my ($login) = @_;
1025		1512
…		…
1031	$cf::PLAYER{$login} = $self;	1518	$cf::PLAYER{$login} = $self;
1032		1519
1033	$self	1520	$self
1034	}	1521	}
1035		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
1036	=item $pl->quit_character	1533	=item $pl->quit_character
1037		1534
1038	Nukes the player without looking back. If logged in, the connection will	1535	Nukes the player without looking back. If logged in, the connection will
1039	be destroyed. May block for a long time.	1536	be destroyed. May block for a long time.
1040		1537
1041	=cut	1538	=cut
1042		1539
1043	sub quit_character {	1540	sub quit_character {
1044	my ($pl) = @_;	1541	my ($pl) = @_;
1045		1542
		1543	my $name = $pl->ob->name;
		1544
1046	$pl->{deny_save} = 1;	1545	$pl->{deny_save} = 1;
1047	$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
1048		1547
1049	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1548	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1050	$pl->deactivate;	1549	$pl->deactivate;
		1550	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1551	$pl->ob->check_score;
1051	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1552	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1052	$pl->ns->destroy if $pl->ns;	1553	$pl->ns->destroy if $pl->ns;
1053		1554
1054	my $path = playerdir $pl;	1555	my $path = playerdir $pl;
1055	my $temp = "$path~$cf::RUNTIME~deleting~";	1556	my $temp = "$path~$cf::RUNTIME~deleting~";
1056	aio_rename $path, $temp;	1557	aio_rename $path, $temp;
1057	delete $cf::PLAYER{$pl->ob->name};	1558	delete $cf::PLAYER{$pl->ob->name};
1058	$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
1059	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;
1060	}	1581	}
1061		1582
1062	=item cf::player::list_logins	1583	=item cf::player::list_logins
1063		1584
1064	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
1065	while and may block, so not sync_job-capable, ever.	1586	while and may block, so not sync_job-capable, ever.
1066		1587
1067	=cut	1588	=cut
1068		1589
1069	sub list_logins {	1590	sub list_logins {
1070	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1591	my $dirs = aio_readdir $PLAYERDIR
1071	or return [];	1592	or return [];
1072		1593
1073	my @logins;	1594	my @logins;
1074		1595
1075	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") {
1076	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1602	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1077	aio_read $fh, 0, 512, my $buf, 0 or next;	1603	aio_read $fh, 0, 512, my $buf, 0 or next;
1078	$buf !~ /^password -------------$/m or next; # official not-valid tag	1604	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1605	}
1079		1606
1080	utf8::decode $login;	1607	utf8::decode $login;
1081	push @logins, $login;	1608	push @logins, $login;
1082	}	1609	}
1083		1610
…		…
1110	}	1637	}
1111		1638
1112	\@paths	1639	\@paths
1113	}	1640	}
1114		1641
		1642	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1643
		1644	Expand deliantra pod fragments into protocol xml.
		1645
1115	=item $player->ext_reply ($msgid, $msgtype, %msg)	1646	=item $player->ext_reply ($msgid, @msg)
1116		1647
1117	Sends an ext reply to the player.	1648	Sends an ext reply to the player.
1118		1649
1119	=cut	1650	=cut
1120		1651
1121	sub ext_reply($$$%) {	1652	sub ext_reply($$@) {
1122	my ($self, $id, %msg) = @_;	1653	my ($self, $id, @msg) = @_;
1123		1654
1124	$msg{msgid} = $id;	1655	$self->ns->ext_reply ($id, @msg)
1125
1126	$self->send ("ext " . cf::to_json \%msg);
1127	}	1656	}
1128		1657
1129	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	}
1130		1698
1131	=back	1699	=back
1132
1133		1700
1134	=head3 cf::map	1701	=head3 cf::map
1135		1702
1136	=over 4	1703	=over 4
1137		1704
…		…
1149	our $MAX_RESET = 3600;	1716	our $MAX_RESET = 3600;
1150	our $DEFAULT_RESET = 3000;	1717	our $DEFAULT_RESET = 3000;
1151		1718
1152	sub generate_random_map {	1719	sub generate_random_map {
1153	my ($self, $rmp) = @_;	1720	my ($self, $rmp) = @_;
		1721
		1722	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1723
1154	# mit "rum" bekleckern, nicht	1724	# mit "rum" bekleckern, nicht
1155	$self->_create_random_map (	1725	$self->_create_random_map (
1156	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1726	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1157	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1727	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1158	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1728	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1192	my ($self, $merge) = @_;	1762	my ($self, $merge) = @_;
1193		1763
1194	# we have to keep some variables in memory intact	1764	# we have to keep some variables in memory intact
1195	local $self->{path};	1765	local $self->{path};
1196	local $self->{load_path};	1766	local $self->{load_path};
1197	local $self->{deny_save};
1198	local $self->{deny_reset};
1199		1767
1200	$self->SUPER::thawer_merge ($merge);	1768	$self->SUPER::thawer_merge ($merge);
1201	}	1769	}
1202		1770
1203	sub normalise {	1771	sub normalise {
…		…
1250	$self->init; # pass $1 etc.	1818	$self->init; # pass $1 etc.
1251	return $self;	1819	return $self;
1252	}	1820	}
1253	}	1821	}
1254		1822
1255	Carp::carp "unable to resolve path '$path' (base '$base').";	1823	Carp::cluck "unable to resolve path '$path' (base '$base').";
1256	()	1824	()
1257	}	1825	}
1258		1826
1259	sub init {	1827	sub init {
1260	my ($self) = @_;	1828	my ($self) = @_;
…		…
1275		1843
1276	# the original (read-only) location	1844	# the original (read-only) location
1277	sub load_path {	1845	sub load_path {
1278	my ($self) = @_;	1846	my ($self) = @_;
1279		1847
1280	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1848	"$MAPDIR/$self->{path}.map"
1281	}	1849	}
1282		1850
1283	# the temporary/swap location	1851	# the temporary/swap location
1284	sub save_path {	1852	sub save_path {
1285	my ($self) = @_;	1853	my ($self) = @_;
1286		1854
1287	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1855	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1288	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1856	"$TMPDIR/$path.map"
1289	}	1857	}
1290		1858
1291	# the unique path, undef == no special unique path	1859	# the unique path, undef == no special unique path
1292	sub uniq_path {	1860	sub uniq_path {
1293	my ($self) = @_;	1861	my ($self) = @_;
1294		1862
1295	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1296	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1864	"$UNIQUEDIR/$path"
1297	}	1865	}
1298		1866
1299	# and all this just because we cannot iterate over	1867	sub decay_objects {
1300	# all maps in C++...
1301	sub change_all_map_light {
1302	my ($change) = @_;	1868	my ($self) = @_;
1303		1869
1304	$_->change_map_light ($change)	1870	return if $self->{deny_reset};
1305	for grep $_->outdoor, values %cf::MAP;	1871
		1872	$self->do_decay_objects;
1306	}	1873	}
1307		1874
1308	sub unlink_save {	1875	sub unlink_save {
1309	my ($self) = @_;	1876	my ($self) = @_;
1310		1877
1311	utf8::encode (my $save = $self->save_path);	1878	utf8::encode (my $save = $self->save_path);
1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1879	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1880	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1314
1315	#d#TODO remove .map and also nuke
1316	$save =~ s/\.map// or return;#d#
1317	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1318	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1319	}	1881	}
1320		1882
1321	sub load_header_from($) {	1883	sub load_header_from($) {
1322	my ($self, $path) = @_;	1884	my ($self, $path) = @_;
1323		1885
1324	utf8::encode $path;	1886	utf8::encode $path;
1325	#aio_open $path, O_RDONLY, 0	1887	my $f = new_from_file cf::object::thawer $path
1326	# or return;
1327
1328	$self->_load_header ($path)
1329	or return;	1888	or return;
		1889
		1890	$self->_load_header ($f)
		1891	or return;
		1892
		1893	local $MAP_LOADING{$self->{path}} = $self;
		1894	$f->resolve_delayed_derefs;
1330		1895
1331	$self->{load_path} = $path;	1896	$self->{load_path} = $path;
1332		1897
1333	1	1898	1
1334	}	1899	}
…		…
1373	$self->load_header_orig	1938	$self->load_header_orig
1374	or return;	1939	or return;
1375	$self->prepare_orig;	1940	$self->prepare_orig;
1376	}	1941	}
1377		1942
		1943	$self->{deny_reset} = 1
		1944	if $self->no_reset;
		1945
		1946	$self->default_region (cf::region::find_by_path $self->{path})
		1947	unless $self->default_region;
		1948
1378	1	1949	1
1379	}	1950	}
1380		1951
1381	sub find;	1952	sub find;
1382	sub find {	1953	sub find {
1383	my ($path, $origin) = @_;	1954	my ($path, $origin) = @_;
1384		1955
1385	$path = normalise $path, $origin && $origin->path;	1956	$path = normalise $path, $origin && $origin->path;
1386		1957
		1958	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1387	cf::lock_wait "map_find:$path";	1959	my $guard2 = cf::lock_acquire "map_find:$path";
1388		1960
1389	$cf::MAP{$path} || do {	1961	$cf::MAP{$path} || do {
1390	my $guard = cf::lock_acquire "map_find:$path";
1391	my $map = new_from_path cf::map $path	1962	my $map = new_from_path cf::map $path
1392	or return;	1963	or return;
1393		1964
1394	$map->{last_save} = $cf::RUNTIME;	1965	$map->{last_save} = $cf::RUNTIME;
1395		1966
1396	$map->load_header	1967	$map->load_header
1397	or return;	1968	or return;
1398		1969
1399	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1970	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1400	# doing this can freeze the server in a sync job, obviously	1971	# doing this can freeze the server in a sync job, obviously
1401	#$cf::WAIT_FOR_TICK->wait;	1972	#$cf::WAIT_FOR_TICK->wait;
		1973	undef $guard2;
		1974	undef $guard1;
1402	$map->reset;	1975	$map->reset;
1403	undef $guard;
1404	return find $path;	1976	return find $path;
1405	}	1977	}
1406		1978
1407	$cf::MAP{$path} = $map	1979	$cf::MAP{$path} = $map
1408	}	1980	}
…		…
1415	my ($self) = @_;	1987	my ($self) = @_;
1416		1988
1417	local $self->{deny_reset} = 1; # loading can take a long time	1989	local $self->{deny_reset} = 1; # loading can take a long time
1418		1990
1419	my $path = $self->{path};	1991	my $path = $self->{path};
		1992
		1993	{
1420	my $guard = cf::lock_acquire "map_load:$path";	1994	my $guard = cf::lock_acquire "map_data:$path";
1421		1995
		1996	return unless $self->valid;
1422	return if $self->in_memory != cf::MAP_SWAPPED;	1997	return unless $self->in_memory == cf::MAP_SWAPPED;
1423		1998
1424	$self->in_memory (cf::MAP_LOADING);	1999	$self->in_memory (cf::MAP_LOADING);
1425		2000
1426	$self->alloc;	2001	$self->alloc;
1427		2002
1428	$self->pre_load;	2003	$self->pre_load;
		2004	cf::cede_to_tick;
1429		2005
1430	$self->_load_objects ($self->{load_path}, 1)	2006	my $f = new_from_file cf::object::thawer $self->{load_path};
		2007	$f->skip_block;
		2008	$self->_load_objects ($f)
1431	or return;	2009	or return;
1432		2010
1433	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2011	$self->post_load_original
1434	if delete $self->{load_original};	2012	if delete $self->{load_original};
1435		2013
1436	if (my $uniq = $self->uniq_path) {	2014	if (my $uniq = $self->uniq_path) {
1437	utf8::encode $uniq;	2015	utf8::encode $uniq;
1438	if (aio_open $uniq, O_RDONLY, 0) {	2016	unless (aio_stat $uniq) {
		2017	if (my $f = new_from_file cf::object::thawer $uniq) {
1439	$self->clear_unique_items;	2018	$self->clear_unique_items;
1440	$self->_load_objects ($uniq, 0);	2019	$self->_load_objects ($f);
		2020	$f->resolve_delayed_derefs;
		2021	}
1441	}	2022	}
1442	}	2023	}
1443		2024
1444	Coro::cede;	2025	$f->resolve_delayed_derefs;
1445		2026
		2027	cf::cede_to_tick;
1446	# now do the right thing for maps	2028	# now do the right thing for maps
1447	$self->link_multipart_objects;	2029	$self->link_multipart_objects;
1448
1449	unless ($self->{deny_activate}) {
1450	$self->decay_objects;
1451	$self->fix_auto_apply;
1452	$self->update_buttons;
1453	Coro::cede;
1454	$self->set_darkness_map;
1455	$self->difficulty ($self->estimate_difficulty)	2030	$self->difficulty ($self->estimate_difficulty)
1456	unless $self->difficulty;	2031	unless $self->difficulty;
1457	Coro::cede;	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;
1458	$self->activate;	2039	$self->activate;
		2040	}
		2041
		2042	$self->{last_save} = $cf::RUNTIME;
		2043	$self->last_access ($cf::RUNTIME);
		2044
		2045	$self->in_memory (cf::MAP_ACTIVE);
1459	}	2046	}
1460		2047
1461	$self->post_load;	2048	$self->post_load;
1462
1463	$self->in_memory (cf::MAP_IN_MEMORY);
1464	}	2049	}
1465		2050
1466	sub customise_for {	2051	sub customise_for {
1467	my ($self, $ob) = @_;	2052	my ($self, $ob) = @_;
1468		2053
1469	return find "~" . $ob->name . "/" . $self->{path}	2054	return find "~" . $ob->name . "/" . $self->{path}
1470	if $self->per_player;	2055	if $self->per_player;
1471		2056
		2057	# return find "?party/" . $ob->name . "/" . $self->{path}
		2058	# if $self->per_party;
		2059
1472	$self	2060	$self
1473	}	2061	}
1474		2062
1475	# find and load all maps in the 3x3 area around a map	2063	# find and load all maps in the 3x3 area around a map
1476	sub load_diag {	2064	sub load_neighbours {
1477	my ($map) = @_;	2065	my ($map) = @_;
1478		2066
1479	my @diag; # diagonal neighbours	2067	my @neigh; # diagonal neighbours
1480		2068
1481	for (0 .. 3) {	2069	for (0 .. 3) {
1482	my $neigh = $map->tile_path ($_)	2070	my $neigh = $map->tile_path ($_)
1483	or next;	2071	or next;
1484	$neigh = find $neigh, $map	2072	$neigh = find $neigh, $map
1485	or next;	2073	or next;
1486	$neigh->load;	2074	$neigh->load;
1487		2075
		2076	push @neigh,
1488	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2077	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1489	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2078	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1490	}	2079	}
1491		2080
1492	for (@diag) {	2081	for (grep defined $_->[0], @neigh) {
		2082	my ($path, $origin) = @$_;
1493	my $neigh = find @$_	2083	my $neigh = find $path, $origin
1494	or next;	2084	or next;
1495	$neigh->load;	2085	$neigh->load;
1496	}	2086	}
1497	}	2087	}
1498		2088
…		…
1503	}	2093	}
1504		2094
1505	sub do_load_sync {	2095	sub do_load_sync {
1506	my ($map) = @_;	2096	my ($map) = @_;
1507		2097
		2098	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2099	if $Coro::current == $Coro::main;
		2100
1508	cf::sync_job { $map->load };	2101	cf::sync_job { $map->load };
1509	}	2102	}
1510		2103
1511	our %MAP_PREFETCH;	2104	our %MAP_PREFETCH;
1512	our $MAP_PREFETCHER = undef;	2105	our $MAP_PREFETCHER = undef;
1513		2106
1514	sub find_async {	2107	sub find_async {
1515	my ($path, $origin) = @_;	2108	my ($path, $origin, $load) = @_;
1516		2109
1517	$path = normalise $path, $origin && $origin->{path};	2110	$path = normalise $path, $origin && $origin->{path};
1518		2111
1519	if (my $map = $cf::MAP{$path}) {	2112	if (my $map = $cf::MAP{$path}) {
1520	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2113	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1521	}	2114	}
1522		2115
1523	undef $MAP_PREFETCH{$path};	2116	$MAP_PREFETCH{$path} |= $load;
		2117
1524	$MAP_PREFETCHER ||= cf::async {	2118	$MAP_PREFETCHER ||= cf::async {
		2119	$Coro::current->{desc} = "map prefetcher";
		2120
1525	while (%MAP_PREFETCH) {	2121	while (%MAP_PREFETCH) {
1526	for my $path (keys %MAP_PREFETCH) {	2122	while (my ($k, $v) = each %MAP_PREFETCH) {
1527	my $map = find $path	2123	if (my $map = find $k) {
1528	or next;
1529	$map->load;	2124	$map->load if $v;
		2125	}
1530		2126
1531	delete $MAP_PREFETCH{$path};	2127	delete $MAP_PREFETCH{$k};
1532	}	2128	}
1533	}	2129	}
1534	undef $MAP_PREFETCHER;	2130	undef $MAP_PREFETCHER;
1535	};	2131	};
1536	$MAP_PREFETCHER->prio (6);	2132	$MAP_PREFETCHER->prio (6);
…		…
1539	}	2135	}
1540		2136
1541	sub save {	2137	sub save {
1542	my ($self) = @_;	2138	my ($self) = @_;
1543		2139
1544	my $lock = cf::lock_acquire "map_data:" . $self->path;	2140	my $lock = cf::lock_acquire "map_data:$self->{path}";
1545		2141
1546	$self->{last_save} = $cf::RUNTIME;	2142	$self->{last_save} = $cf::RUNTIME;
1547		2143
1548	return unless $self->dirty;	2144	return unless $self->dirty;
1549		2145
…		…
1555	return if $self->{deny_save};	2151	return if $self->{deny_save};
1556		2152
1557	local $self->{last_access} = $self->last_access;#d#	2153	local $self->{last_access} = $self->last_access;#d#
1558		2154
1559	cf::async {	2155	cf::async {
		2156	$Coro::current->{desc} = "map player save";
1560	$_->contr->save for $self->players;	2157	$_->contr->save for $self->players;
1561	};	2158	};
		2159
		2160	cf::get_slot 0.02;
1562		2161
1563	if ($uniq) {	2162	if ($uniq) {
1564	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2163	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1565	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2164	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1566	} else {	2165	} else {
…		…
1572	my ($self) = @_;	2171	my ($self) = @_;
1573		2172
1574	# save first because save cedes	2173	# save first because save cedes
1575	$self->save;	2174	$self->save;
1576		2175
1577	my $lock = cf::lock_acquire "map_data:" . $self->path;	2176	my $lock = cf::lock_acquire "map_data:$self->{path}";
1578		2177
1579	return if $self->players;	2178	return if $self->players;
1580	return if $self->in_memory != cf::MAP_IN_MEMORY;	2179	return if $self->in_memory != cf::MAP_ACTIVE;
1581	return if $self->{deny_save};	2180	return if $self->{deny_save};
1582		2181
		2182	$self->in_memory (cf::MAP_SWAPPED);
		2183
		2184	$self->deactivate;
		2185	$_->clear_links_to ($self) for values %cf::MAP;
1583	$self->clear;	2186	$self->clear;
1584	$self->in_memory (cf::MAP_SWAPPED);
1585	}	2187	}
1586		2188
1587	sub reset_at {	2189	sub reset_at {
1588	my ($self) = @_;	2190	my ($self) = @_;
1589		2191
1590	# TODO: safety, remove and allow resettable per-player maps	2192	# TODO: safety, remove and allow resettable per-player maps
1591	return 1e99 if $self->isa ("ext::map_per_player");#d#
1592	return 1e99 if $self->{deny_reset};	2193	return 1e99 if $self->{deny_reset};
1593		2194
1594	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2195	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1595	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;
1596		2197
…		…
1607	my ($self) = @_;	2208	my ($self) = @_;
1608		2209
1609	my $lock = cf::lock_acquire "map_data:$self->{path}";	2210	my $lock = cf::lock_acquire "map_data:$self->{path}";
1610		2211
1611	return if $self->players;	2212	return if $self->players;
1612	return if $self->isa ("ext::map_per_player");#d#
1613		2213
1614	warn "resetting map ", $self->path;#d#	2214	warn "resetting map ", $self->path;
1615		2215
1616	$self->in_memory (cf::MAP_SWAPPED);	2216	$self->in_memory (cf::MAP_SWAPPED);
1617		2217
1618	# need to save uniques path	2218	# need to save uniques path
1619	unless ($self->{deny_save}) {	2219	unless ($self->{deny_save}) {
…		…
1623	if $uniq;	2223	if $uniq;
1624	}	2224	}
1625		2225
1626	delete $cf::MAP{$self->path};	2226	delete $cf::MAP{$self->path};
1627		2227
		2228	$self->deactivate;
		2229	$_->clear_links_to ($self) for values %cf::MAP;
1628	$self->clear;	2230	$self->clear;
1629
1630	$_->clear_links_to ($self) for values %cf::MAP;
1631		2231
1632	$self->unlink_save;	2232	$self->unlink_save;
1633	$self->destroy;	2233	$self->destroy;
1634	}	2234	}
1635		2235
1636	my $nuke_counter = "aaaa";	2236	my $nuke_counter = "aaaa";
1637		2237
1638	sub nuke {	2238	sub nuke {
1639	my ($self) = @_;	2239	my ($self) = @_;
1640		2240
		2241	{
		2242	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2243
1641	delete $cf::MAP{$self->path};	2244	delete $cf::MAP{$self->path};
1642		2245
1643	$self->unlink_save;	2246	$self->unlink_save;
1644		2247
1645	bless $self, "cf::map";	2248	bless $self, "cf::map";
1646	delete $self->{deny_reset};	2249	delete $self->{deny_reset};
1647	$self->{deny_save} = 1;	2250	$self->{deny_save} = 1;
1648	$self->reset_timeout (1);	2251	$self->reset_timeout (1);
1649	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2252	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1650		2253
1651	$cf::MAP{$self->path} = $self;	2254	$cf::MAP{$self->path} = $self;
		2255	}
1652		2256
1653	$self->reset; # polite request, might not happen	2257	$self->reset; # polite request, might not happen
		2258	}
		2259
		2260	=item $maps = cf::map::tmp_maps
		2261
		2262	Returns an arrayref with all map paths of currently instantiated and saved
		2263	maps. May block.
		2264
		2265	=cut
		2266
		2267	sub tmp_maps() {
		2268	[
		2269	map {
		2270	utf8::decode $_;
		2271	/\.map$/
		2272	? normalise $_
		2273	: ()
		2274	} @{ aio_readdir $TMPDIR or [] }
		2275	]
		2276	}
		2277
		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	]
1654	}	2294	}
1655		2295
1656	=item cf::map::unique_maps	2296	=item cf::map::unique_maps
1657		2297
1658	Returns an arrayref of paths of all shared maps that have	2298	Returns an arrayref of paths of all shared maps that have
1659	instantiated unique items. May block.	2299	instantiated unique items. May block.
1660		2300
1661	=cut	2301	=cut
1662		2302
1663	sub unique_maps() {	2303	sub unique_maps() {
1664	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2304	[
1665	or return;	2305	map {
1666
1667	my @paths;
1668
1669	for (@$files) {
1670	utf8::decode $_;	2306	utf8::decode $_;
1671	next if /\.pst$/;	2307	s/\.map$//; # TODO future compatibility hack
1672	next unless /^$PATH_SEP/o;	2308	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1673		2309	? ()
1674	push @paths, cf::map::normalise $_;	2310	: normalise $_
		2311	} @{ aio_readdir $UNIQUEDIR or [] }
1675	}	2312	]
1676
1677	\@paths
1678	}	2313	}
1679
1680	package cf;
1681		2314
1682	=back	2315	=back
1683		2316
1684	=head3 cf::object	2317	=head3 cf::object
1685		2318
…		…
1689		2322
1690	=over 4	2323	=over 4
1691		2324
1692	=item $ob->inv_recursive	2325	=item $ob->inv_recursive
1693		2326
1694	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.
1695		2329
1696	=cut	2330	=cut
1697		2331
1698	sub inv_recursive_;	2332	sub inv_recursive_;
1699	sub inv_recursive_ {	2333	sub inv_recursive_ {
…		…
1702		2336
1703	sub inv_recursive {	2337	sub inv_recursive {
1704	inv_recursive_ inv $_[0]	2338	inv_recursive_ inv $_[0]
1705	}	2339	}
1706		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
1707	package cf;	2369	package cf;
1708		2370
1709	=back	2371	=back
1710		2372
1711	=head3 cf::object::player	2373	=head3 cf::object::player
…		…
1717	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>
1718	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
1719	dialogue with the given NPC character.	2381	dialogue with the given NPC character.
1720		2382
1721	=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	};
1722		2398
1723	# rough implementation of a future "reply" method that works	2399	# rough implementation of a future "reply" method that works
1724	# with dialog boxes.	2400	# with dialog boxes.
1725	#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
1726	sub cf::object::player::reply($$$;$) {	2402	sub cf::object::player::reply($$$;$) {
…		…
1728		2404
1729	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2405	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1730		2406
1731	if ($self->{record_replies}) {	2407	if ($self->{record_replies}) {
1732	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2408	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2409
1733	} 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 {
1734	$msg = $npc->name . " says: $msg" if $npc;	2418	$msg = $npc->name . " says: $msg" if $npc;
1735	$self->message ($msg, $flags);	2419	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2420	}
1736	}	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 (@_);
1737	}	2432	}
1738		2433
1739	=item $player_object->may ("access")	2434	=item $player_object->may ("access")
1740		2435
1741	Returns wether the given player is authorized to access resource "access"	2436	Returns wether the given player is authorized to access resource "access"
…		…
1754		2449
1755	=item $player_object->enter_link	2450	=item $player_object->enter_link
1756		2451
1757	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}>).
1758		2453
1759	The player should be reasonably safe there for short amounts of time. You	2454	The player should be reasonably safe there for short amounts of time (e.g.
1760	I<MUST> call C<leave_link> as soon as possible, though.	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.
1761		2458
1762	Will never block.	2459	Will never block.
1763		2460
1764	=item $player_object->leave_link ($map, $x, $y)	2461	=item $player_object->leave_link ($map, $x, $y)
1765		2462
…		…
1788	$self->deactivate_recursive;	2485	$self->deactivate_recursive;
1789		2486
1790	return if UNIVERSAL::isa $self->map, "ext::map_link";	2487	return if UNIVERSAL::isa $self->map, "ext::map_link";
1791		2488
1792	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2489	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1793	if $self->map;	2490	if $self->map && $self->map->{path} ne "{link}";
1794		2491
1795	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2492	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1796	}	2493	}
1797		2494
1798	sub cf::object::player::leave_link {	2495	sub cf::object::player::leave_link {
1799	my ($self, $map, $x, $y) = @_;	2496	my ($self, $map, $x, $y) = @_;
		2497
		2498	return unless $self->contr->active;
1800		2499
1801	my $link_pos = delete $self->{_link_pos};	2500	my $link_pos = delete $self->{_link_pos};
1802		2501
1803	unless ($map) {	2502	unless ($map) {
1804	# restore original map position	2503	# restore original map position
…		…
1818	# use -1 or undef as default coordinates, not 0, 0	2517	# use -1 or undef as default coordinates, not 0, 0
1819	($x, $y) = ($map->enter_x, $map->enter_y)	2518	($x, $y) = ($map->enter_x, $map->enter_y)
1820	if $x <=0 && $y <= 0;	2519	if $x <=0 && $y <= 0;
1821		2520
1822	$map->load;	2521	$map->load;
1823	$map->load_diag;	2522	$map->load_neighbours;
1824		2523
1825	return unless $self->contr->active;	2524	return unless $self->contr->active;
		2525	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1826	$self->activate_recursive;	2526	$self->activate_recursive;
		2527
		2528	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1827	$self->enter_map ($map, $x, $y);	2529	$self->enter_map ($map, $x, $y);
1828	}	2530	}
1829		2531
1830	cf::player->attach (	2532	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1831	on_logout => sub {
1832	my ($pl) = @_;
1833		2533
1834	# abort map switching before logout	2534	Moves the player to the given map-path and coordinates by first freezing
1835	if ($pl->ob->{_link_pos}) {	2535	her, loading and preparing them map, calling the provided $check callback
1836	cf::sync_job {	2536	that has to return the map if sucecssful, and then unfreezes the player on
1837	$pl->ob->leave_link	2537	the new (success) or old (failed) map position. In either case, $done will
1838	};	2538	be called at the end of this process.
1839	}
1840	},
1841	on_login => sub {
1842	my ($pl) = @_;
1843		2539
1844	# try to abort aborted map switching on player login :)	2540	Note that $check will be called with a potentially non-loaded map, so if
1845	# should happen only on crashes	2541	it needs a loaded map it has to call C<< ->load >>.
1846	if ($pl->ob->{_link_pos}) {
1847	$pl->ob->enter_link;
1848	(async {
1849	# we need this sleep as the login has a concurrent enter_exit running
1850	# and this sleep increases chances of the player not ending up in scorn
1851	$pl->ob->reply (undef,
1852	"There was an internal problem at your last logout, "
1853	. "the server will try to bring you to your intended destination in a second.",
1854	cf::NDI_RED);
1855	Coro::Timer::sleep 1;
1856	$pl->ob->leave_link;
1857	})->prio (2);
1858	}
1859	},
1860	);
1861		2542
1862	=item $player_object->goto ($path, $x, $y)
1863
1864	=cut	2543	=cut
		2544
		2545	our $GOTOGEN;
1865		2546
1866	sub cf::object::player::goto {	2547	sub cf::object::player::goto {
1867	my ($self, $path, $x, $y) = @_;	2548	my ($self, $path, $x, $y, $check, $done) = @_;
		2549
		2550	# do generation counting so two concurrent goto's will be executed in-order
		2551	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1868		2552
1869	$self->enter_link;	2553	$self->enter_link;
1870		2554
1871	(async {	2555	(async {
		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
1872	my $map = eval {	2577	my $map = eval {
1873	my $map = cf::map::find $path;	2578	my $map = defined $path ? cf::map::find $path : undef;
		2579
		2580	if ($map) {
1874	$map = $map->customise_for ($self) if $map;	2581	$map = $map->customise_for ($self);
		2582	$map = $check->($map) if $check && $map;
		2583	} else {
		2584	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2585	}
		2586
1875	$map	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 $@;
1876	} or	2593	}
1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1878		2594
		2595	if ($gen == $self->{_goto_generation}) {
		2596	delete $self->{_goto_generation};
1879	$self->leave_link ($map, $x, $y);	2597	$self->leave_link ($map, $x, $y);
		2598	}
		2599
		2600	$done->() if $done;
1880	})->prio (1);	2601	})->prio (1);
1881	}	2602	}
1882		2603
1883	=item $player_object->enter_exit ($exit_object)	2604	=item $player_object->enter_exit ($exit_object)
1884		2605
…		…
1904	}	2625	}
1905		2626
1906	sub prepare_random_map {	2627	sub prepare_random_map {
1907	my ($exit) = @_;	2628	my ($exit) = @_;
1908		2629
1909	my $guard = cf::lock_acquire "exit_prepare:$exit";
1910
1911	# all this does is basically replace the /! path by	2630	# all this does is basically replace the /! path by
1912	# a new random map path (?random/...) with a seed	2631	# a new random map path (?random/...) with a seed
1913	# that depends on the exit object	2632	# that depends on the exit object
1914		2633
1915	my $rmp = parse_random_map_params $exit->msg;	2634	my $rmp = parse_random_map_params $exit->msg;
…		…
1917	if ($exit->map) {	2636	if ($exit->map) {
1918	$rmp->{region} = $exit->region->name;	2637	$rmp->{region} = $exit->region->name;
1919	$rmp->{origin_map} = $exit->map->path;	2638	$rmp->{origin_map} = $exit->map->path;
1920	$rmp->{origin_x} = $exit->x;	2639	$rmp->{origin_x} = $exit->x;
1921	$rmp->{origin_y} = $exit->y;	2640	$rmp->{origin_y} = $exit->y;
		2641
		2642	$exit->map->touch;
1922	}	2643	}
1923		2644
1924	$rmp->{random_seed} ||= $exit->random_seed;	2645	$rmp->{random_seed} ||= $exit->random_seed;
1925		2646
1926	my $data = cf::to_json $rmp;	2647	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1927	my $md5 = Digest::MD5::md5_hex $data;	2648	my $md5 = Digest::MD5::md5_hex $data;
1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2649	my $meta = "$RANDOMDIR/$md5.meta";
1929		2650
1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2651	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1931	aio_write $fh, 0, (length $data), $data, 0;	2652	aio_write $fh, 0, (length $data), $data, 0;
1932	undef $fh;	2653	undef $fh;
1933	aio_rename "$meta~", $meta;	2654	aio_rename "$meta~", $meta;
1934		2655
		2656	my $slaying = "?random/$md5";
		2657
		2658	if ($exit->valid) {
1935	$exit->slaying ("?random/$md5");	2659	$exit->slaying ("?random/$md5");
1936	$exit->msg (undef);	2660	$exit->msg (undef);
		2661	}
1937	}	2662	}
1938	}	2663	}
1939		2664
1940	sub cf::object::player::enter_exit {	2665	sub cf::object::player::enter_exit {
1941	my ($self, $exit) = @_;	2666	my ($self, $exit) = @_;
1942		2667
1943	return unless $self->type == cf::PLAYER;	2668	return unless $self->type == cf::PLAYER;
1944		2669
1945	if ($exit->slaying eq "/!") {
1946	#TODO: this should de-fi-ni-te-ly not be a sync-job
1947	cf::sync_job { prepare_random_map $exit };
1948	}
1949
1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1951	my $hp = $exit->stats->hp;
1952	my $sp = $exit->stats->sp;
1953
1954	$self->enter_link;	2670	$self->enter_link;
1955		2671
1956	(async {	2672	(async {
1957	$self->deactivate_recursive; # just to be sure	2673	$Coro::current->{desc} = "enter_exit";
		2674
1958	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
		2682	prepare_random_map $exit
		2683	if $exit->slaying eq "/!";
		2684	}
		2685
		2686	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2687	my $x = $exit->stats->hp;
		2688	my $y = $exit->stats->sp;
		2689
1959	$self->goto ($slaying, $hp, $sp);	2690	$self->goto ($map, $x, $y);
1960		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
1961	1;	2696	1
1962	}) {	2697	}) {
1963	$self->message ("Something went wrong deep within the crossfire server. "	2698	$self->message ("Something went wrong deep within the deliantra server. "
1964	. "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. "
1965	. "Please report this to the dungeon master!",	2700	. "Please report this to the dungeon master!",
1966	cf::NDI_UNIQUE | cf::NDI_RED);	2701	cf::NDI_UNIQUE | cf::NDI_RED);
1967		2702
1968	warn "ERROR in enter_exit: $@";	2703	warn "ERROR in enter_exit: $@";
1969	$self->leave_link;	2704	$self->leave_link;
1970	}	2705	}
1971	})->prio (1);	2706	})->prio (1);
…		…
1984		2719
1985	sub cf::client::send_drawinfo {	2720	sub cf::client::send_drawinfo {
1986	my ($self, $text, $flags) = @_;	2721	my ($self, $text, $flags) = @_;
1987		2722
1988	utf8::encode $text;	2723	utf8::encode $text;
1989	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2724	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1990	}	2725	}
1991		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/statistics" => {
		2775	id => "infobox",
		2776	title => "Statistics",
		2777	reply => undef,
		2778	tooltip => "Shows your primary statistics",
		2779	},
		2780	"c/skills" => {
		2781	id => "infobox",
		2782	title => "Skills",
		2783	reply => undef,
		2784	tooltip => "Shows your experience per skill and item power",
		2785	},
		2786	"c/resistances" => {
		2787	id => "infobox",
		2788	title => "Resistances",
		2789	reply => undef,
		2790	tooltip => "Shows your resistances",
		2791	},
		2792	"c/pets" => {
		2793	id => "infobox",
		2794	title => "Pets",
		2795	reply => undef,
		2796	tooltip => "Shows information abotu your pets/a specific pet",
		2797	},
		2798	"c/uptime" => {
		2799	id => "infobox",
		2800	title => "Uptime",
		2801	reply => undef,
		2802	tooltip => "How long the server has been running since last restart",
		2803	},
		2804	"c/mapinfo" => {
		2805	id => "infobox",
		2806	title => "Map Info",
		2807	reply => undef,
		2808	tooltip => "Information related to the maps",
		2809	},
		2810	"c/party" => {
		2811	id => "party",
		2812	title => "Party",
		2813	reply => "gsay ",
		2814	tooltip => "Messages and chat related to your party",
		2815	},
		2816	"c/death" => {
		2817	id => "death",
		2818	title => "Death",
		2819	reply => undef,
		2820	tooltip => "Reason for and more info about your most recent death",
		2821	},
		2822	"c/say" => $SAY_CHANNEL,
		2823	"c/chat" => $CHAT_CHANNEL,
		2824	);
		2825
		2826	sub cf::client::send_msg {
		2827	my ($self, $channel, $msg, $color, @extra) = @_;
		2828
		2829	$msg = $self->pl->expand_cfpod ($msg)
		2830	unless $color & cf::NDI_VERBATIM;
		2831
		2832	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2833
		2834	# check predefined channels, for the benefit of C
		2835	if ($CHANNEL{$channel}) {
		2836	$channel = $CHANNEL{$channel};
		2837
		2838	$self->ext_msg (channel_info => $channel);
		2839	$channel = $channel->{id};
		2840
		2841	} elsif (ref $channel) {
		2842	# send meta info to client, if not yet sent
		2843	unless (exists $self->{channel}{$channel->{id}}) {
		2844	$self->{channel}{$channel->{id}} = $channel;
		2845	$self->ext_msg (channel_info => $channel);
		2846	}
		2847
		2848	$channel = $channel->{id};
		2849	}
		2850
		2851	return unless @extra || length $msg;
		2852
		2853	# default colour, mask it out
		2854	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2855	if $color & cf::NDI_DEF;
		2856
		2857	my $pkt = "msg "
		2858	. $self->{json_coder}->encode (
		2859	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2860	);
		2861
		2862	# try lzf for large packets
		2863	$pkt = "lzf " . Compress::LZF::compress $pkt
		2864	if 1024 <= length $pkt and $self->{can_lzf};
		2865
		2866	# split very large packets
		2867	if (8192 < length $pkt and $self->{can_lzf}) {
		2868	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2869	$pkt = "frag";
		2870	}
		2871
		2872	$self->send_packet ($pkt);
		2873	}
		2874
		2875	=item $client->ext_msg ($type, @msg)
		2876
		2877	Sends an ext event to the client.
		2878
		2879	=cut
		2880
		2881	sub cf::client::ext_msg($$@) {
		2882	my ($self, $type, @msg) = @_;
		2883
		2884	if ($self->extcmd == 2) {
		2885	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2886	} elsif ($self->extcmd == 1) { # TODO: remove
		2887	push @msg, msgtype => "event_$type";
		2888	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2889	}
		2890	}
		2891
		2892	=item $client->ext_reply ($msgid, @msg)
		2893
		2894	Sends an ext reply to the client.
		2895
		2896	=cut
		2897
		2898	sub cf::client::ext_reply($$@) {
		2899	my ($self, $id, @msg) = @_;
		2900
		2901	if ($self->extcmd == 2) {
		2902	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2903	} elsif ($self->extcmd == 1) {
		2904	#TODO: version 1, remove
		2905	unshift @msg, msgtype => "reply", msgid => $id;
		2906	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2907	}
		2908	}
1992		2909
1993	=item $success = $client->query ($flags, "text", \&cb)	2910	=item $success = $client->query ($flags, "text", \&cb)
1994		2911
1995	Queues a query to the client, calling the given callback with	2912	Queues a query to the client, calling the given callback with
1996	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2913	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1997	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2914	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1998		2915
1999	Queries can fail, so check the return code. Or don't, as queries will become	2916	Queries can fail, so check the return code. Or don't, as queries will
2000	reliable at some point in the future.	2917	become reliable at some point in the future.
2001		2918
2002	=cut	2919	=cut
2003		2920
2004	sub cf::client::query {	2921	sub cf::client::query {
2005	my ($self, $flags, $text, $cb) = @_;	2922	my ($self, $flags, $text, $cb) = @_;
…		…
2013	utf8::encode $text;	2930	utf8::encode $text;
2014	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2931	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2015		2932
2016	$self->send_packet ($self->{query_queue}[0][0])	2933	$self->send_packet ($self->{query_queue}[0][0])
2017	if @{ $self->{query_queue} } == 1;	2934	if @{ $self->{query_queue} } == 1;
		2935
		2936	1
2018	}	2937	}
2019		2938
2020	cf::client->attach (	2939	cf::client->attach (
		2940	on_connect => sub {
		2941	my ($ns) = @_;
		2942
		2943	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2944	},
2021	on_reply => sub {	2945	on_reply => sub {
2022	my ($ns, $msg) = @_;	2946	my ($ns, $msg) = @_;
2023		2947
2024	# this weird shuffling is so that direct followup queries	2948	# this weird shuffling is so that direct followup queries
2025	# get handled first	2949	# get handled first
…		…
2037	} else {	2961	} else {
2038	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2962	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2039	}	2963	}
2040	}	2964	}
2041	},	2965	},
		2966	on_exticmd => sub {
		2967	my ($ns, $buf) = @_;
		2968
		2969	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2970
		2971	if (ref $msg) {
		2972	my ($type, $reply, @payload) =
		2973	"ARRAY" eq ref $msg
		2974	? @$msg
		2975	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2976
		2977	my @reply;
		2978
		2979	if (my $cb = $EXTICMD{$type}) {
		2980	@reply = $cb->($ns, @payload);
		2981	}
		2982
		2983	$ns->ext_reply ($reply, @reply)
		2984	if $reply;
		2985
		2986	} else {
		2987	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2988	}
		2989
		2990	cf::override;
		2991	},
2042	);	2992	);
2043		2993
2044	=item $client->async (\&cb)	2994	=item $client->async (\&cb)
2045		2995
2046	Create a new coroutine, running the specified callback. The coroutine will	2996	Create a new coroutine, running the specified callback. The coroutine will
…		…
2087	our $safe = new Safe "safe";	3037	our $safe = new Safe "safe";
2088	our $safe_hole = new Safe::Hole;	3038	our $safe_hole = new Safe::Hole;
2089		3039
2090	$SIG{FPE} = 'IGNORE';	3040	$SIG{FPE} = 'IGNORE';
2091		3041
2092	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3042	$safe->permit_only (Opcode::opset qw(
		3043	:base_core :base_mem :base_orig :base_math
		3044	grepstart grepwhile mapstart mapwhile
		3045	sort time
		3046	));
2093		3047
2094	# here we export the classes and methods available to script code	3048	# here we export the classes and methods available to script code
2095		3049
2096	=pod	3050	=pod
2097		3051
2098	The following fucntions and emthods are available within a safe environment:	3052	The following functions and methods are available within a safe environment:
2099		3053
2100	cf::object contr pay_amount pay_player map	3054	cf::object
		3055	contr pay_amount pay_player map x y force_find force_add destroy
		3056	insert remove name archname title slaying race decrease split
		3057
2101	cf::object::player player	3058	cf::object::player
2102	cf::player peaceful	3059	player
2103	cf::map trigger	3060
		3061	cf::player
		3062	peaceful
		3063
		3064	cf::map
		3065	trigger
2104		3066
2105	=cut	3067	=cut
2106		3068
2107	for (	3069	for (
2108	["cf::object" => qw(contr pay_amount pay_player map)],	3070	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3071	insert remove inv nrof name archname title slaying race
		3072	decrease split destroy change_exp)],
2109	["cf::object::player" => qw(player)],	3073	["cf::object::player" => qw(player)],
2110	["cf::player" => qw(peaceful)],	3074	["cf::player" => qw(peaceful)],
2111	["cf::map" => qw(trigger)],	3075	["cf::map" => qw(trigger)],
2112	) {	3076	) {
2113	no strict 'refs';	3077	no strict 'refs';
…		…
2184	=back	3148	=back
2185		3149
2186	=cut	3150	=cut
2187		3151
2188	#############################################################################	3152	#############################################################################
2189
2190	=head2 EXTENSION DATABASE SUPPORT
2191
2192	Crossfire maintains a very simple database for extension use. It can
2193	currently store anything that can be serialised using Storable, which
2194	excludes objects.
2195
2196	The parameter C<$family> should best start with the name of the extension
2197	using it, it should be unique.
2198
2199	=over 4
2200
2201	=item $value = cf::db_get $family => $key
2202
2203	Returns a single value from the database.
2204
2205	=item cf::db_put $family => $key => $value
2206
2207	Stores the given C<$value> in the family.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	sub db_init {
2214	unless ($DB) {
2215	$DB = BDB::db_create $DB_ENV;
2216
2217	cf::sync_job {
2218	eval {
2219	$DB->set_flags (BDB::CHKSUM);
2220
2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2223	cf::cleanup "db_open(db): $!" if $!;
2224	};
2225	cf::cleanup "db_open(db): $@" if $@;
2226	};
2227
2228	my $path = cf::localdir . "/database.pst";
2229	if (stat $path) {
2230	cf::sync_job {
2231	my $pst = Storable::retrieve $path;
2232
2233	cf::db_put (board => data => $pst->{board});
2234	cf::db_put (guildrules => data => $pst->{guildrules});
2235	cf::db_put (rent => balance => $pst->{rent}{balance});
2236	BDB::db_env_txn_checkpoint $DB_ENV;
2237
2238	unlink $path;
2239	};
2240	}
2241	}
2242	}
2243
2244	sub db_get($$) {
2245	my $key = "$_[0]/$_[1]";
2246
2247	cf::sync_job {
2248	BDB::db_get $DB, undef, $key, my $data;
2249
2250	$! ? ()
2251	: Compress::LZF::sthaw $data
2252	}
2253	}
2254
2255	sub db_put($$$) {
2256	BDB::dbreq_pri 4;
2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2258	}
2259
2260	#############################################################################
2261	# the server's init and main functions	3153	# the server's init and main functions
2262		3154
		3155	sub load_facedata($) {
		3156	my ($path) = @_;
		3157
		3158	# HACK to clear player env face cache, we need some signal framework
		3159	# for this (global event?)
		3160	%ext::player_env::MUSIC_FACE_CACHE = ();
		3161
		3162	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3163
		3164	warn "loading facedata from $path\n";
		3165
		3166	my $facedata;
		3167	0 < aio_load $path, $facedata
		3168	or die "$path: $!";
		3169
		3170	$facedata = Coro::Storable::thaw $facedata;
		3171
		3172	$facedata->{version} == 2
		3173	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3174
		3175	# patch in the exptable
		3176	$facedata->{resource}{"res/exp_table"} = {
		3177	type => FT_RSRC,
		3178	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3179	};
		3180	cf::cede_to_tick;
		3181
		3182	{
		3183	my $faces = $facedata->{faceinfo};
		3184
		3185	while (my ($face, $info) = each %$faces) {
		3186	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3187
		3188	cf::face::set_visibility $idx, $info->{visibility};
		3189	cf::face::set_magicmap $idx, $info->{magicmap};
		3190	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3191	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3192
		3193	cf::cede_to_tick;
		3194	}
		3195
		3196	while (my ($face, $info) = each %$faces) {
		3197	next unless $info->{smooth};
		3198
		3199	my $idx = cf::face::find $face
		3200	or next;
		3201
		3202	if (my $smooth = cf::face::find $info->{smooth}) {
		3203	cf::face::set_smooth $idx, $smooth;
		3204	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3205	} else {
		3206	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3207	}
		3208
		3209	cf::cede_to_tick;
		3210	}
		3211	}
		3212
		3213	{
		3214	my $anims = $facedata->{animinfo};
		3215
		3216	while (my ($anim, $info) = each %$anims) {
		3217	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3218	cf::cede_to_tick;
		3219	}
		3220
		3221	cf::anim::invalidate_all; # d'oh
		3222	}
		3223
		3224	{
		3225	# TODO: for gcfclient pleasure, we should give resources
		3226	# that gcfclient doesn't grok a >10000 face index.
		3227	my $res = $facedata->{resource};
		3228
		3229	while (my ($name, $info) = each %$res) {
		3230	if (defined $info->{type}) {
		3231	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3232	my $data;
		3233
		3234	if ($info->{type} & 1) {
		3235	# prepend meta info
		3236
		3237	my $meta = $enc->encode ({
		3238	name => $name,
		3239	%{ $info->{meta} || {} },
		3240	});
		3241
		3242	$data = pack "(w/a*)*", $meta, $info->{data};
		3243	} else {
		3244	$data = $info->{data};
		3245	}
		3246
		3247	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3248	cf::face::set_type $idx, $info->{type};
		3249	} else {
		3250	$RESOURCE{$name} = $info;
		3251	}
		3252
		3253	cf::cede_to_tick;
		3254	}
		3255	}
		3256
		3257	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3258
		3259	1
		3260	}
		3261
		3262	cf::global->attach (on_resource_update => sub {
		3263	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3264	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3265
		3266	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3267	my $sound = $soundconf->{compat}[$_]
		3268	or next;
		3269
		3270	my $face = cf::face::find "sound/$sound->[1]";
		3271	cf::sound::set $sound->[0] => $face;
		3272	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3273	}
		3274
		3275	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3276	my $face = cf::face::find "sound/$v";
		3277	cf::sound::set $k => $face;
		3278	}
		3279	}
		3280	});
		3281
		3282	register_exticmd fx_want => sub {
		3283	my ($ns, $want) = @_;
		3284
		3285	while (my ($k, $v) = each %$want) {
		3286	$ns->fx_want ($k, $v);
		3287	}
		3288	};
		3289
2263	sub load_resources {	3290	sub load_resource_file($) {
2264	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3291	my $guard = lock_acquire "load_resource_file";
		3292
		3293	my $status = load_resource_file_ $_[0];
		3294	get_slot 0.1, 100;
		3295	cf::arch::commit_load;
		3296
		3297	$status
		3298	}
		3299
		3300	sub reload_regions {
		3301	# HACK to clear player env face cache, we need some signal framework
		3302	# for this (global event?)
		3303	%ext::player_env::MUSIC_FACE_CACHE = ();
		3304
		3305	load_resource_file "$MAPDIR/regions"
2265	or die "unable to load regions file\n";#d#	3306	or die "unable to load regions file\n";
2266	}
2267		3307
2268	sub cfg_load {	3308	for (cf::region::list) {
		3309	$_->{match} = qr/$_->{match}/
		3310	if exists $_->{match};
		3311	}
		3312	}
		3313
		3314	sub reload_facedata {
		3315	load_facedata "$DATADIR/facedata"
		3316	or die "unable to load facedata\n";
		3317	}
		3318
		3319	sub reload_archetypes {
		3320	load_resource_file "$DATADIR/archetypes"
		3321	or die "unable to load archetypes\n";
		3322	}
		3323
		3324	sub reload_treasures {
		3325	load_resource_file "$DATADIR/treasures"
		3326	or die "unable to load treasurelists\n";
		3327	}
		3328
		3329	sub reload_resources {
		3330	warn "reloading resource files...\n";
		3331
		3332	reload_facedata;
		3333	reload_archetypes;
		3334	reload_regions;
		3335	reload_treasures;
		3336
		3337	warn "finished reloading resource files\n";
		3338	}
		3339
		3340	sub reload_config {
2269	open my $fh, "<:utf8", cf::confdir . "/config"	3341	open my $fh, "<:utf8", "$CONFDIR/config"
2270	or return;	3342	or return;
2271		3343
2272	local $/;	3344	local $/;
2273	*CFG = YAML::Syck::Load <$fh>;	3345	*CFG = YAML::Load <$fh>;
2274		3346
2275	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3347	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2276		3348
2277	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3349	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2278	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3350	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2284	};	3356	};
2285	warn $@ if $@;	3357	warn $@ if $@;
2286	}	3358	}
2287	}	3359	}
2288		3360
2289	sub init {	3361	sub pidfile() {
2290	load_resources;	3362	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3363	or die "$PIDFILE: $!";
		3364	flock $fh, &Fcntl::LOCK_EX
		3365	or die "$PIDFILE: flock: $!";
		3366	$fh
		3367	}
		3368
		3369	# make sure only one server instance is running at any one time
		3370	sub atomic {
		3371	my $fh = pidfile;
		3372
		3373	my $pid = <$fh>;
		3374	kill 9, $pid if $pid > 0;
		3375
		3376	seek $fh, 0, 0;
		3377	print $fh $$;
2291	}	3378	}
2292		3379
2293	sub main {	3380	sub main {
		3381	cf::init_globals; # initialise logging
		3382
		3383	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3384	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3385	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3386	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3387
		3388	cf::init_experience;
		3389	cf::init_anim;
		3390	cf::init_attackmess;
		3391	cf::init_dynamic;
		3392
		3393	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3394
2294	# we must not ever block the main coroutine	3395	# we must not ever block the main coroutine
2295	local $Coro::idle = sub {	3396	local $Coro::idle = sub {
2296	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3397	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2297	(async {	3398	(async {
2298	Event::one_event;	3399	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3400	EV::loop EV::LOOP_ONESHOT;
2299	})->prio (Coro::PRIO_MAX);	3401	})->prio (Coro::PRIO_MAX);
2300	};	3402	};
2301		3403
2302	cfg_load;	3404	evthread_start IO::AIO::poll_fileno;
		3405
		3406	cf::sync_job {
		3407	reload_resources;
		3408	reload_config;
2303	db_init;	3409	db_init;
		3410
		3411	cf::load_settings;
		3412	cf::load_materials;
		3413	cf::init_uuid;
		3414	cf::init_signals;
		3415	cf::init_commands;
		3416	cf::init_skills;
		3417
		3418	cf::init_beforeplay;
		3419
		3420	atomic;
		3421
2304	load_extensions;	3422	load_extensions;
2305		3423
2306	$TICK_WATCHER->start;	3424	utime time, time, $RUNTIMEFILE;
		3425
		3426	# no (long-running) fork's whatsoever before this point(!)
		3427	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3428
		3429	(pop @POST_INIT)->(0) while @POST_INIT;
		3430	};
		3431
2307	Event::loop;	3432	EV::loop;
2308	}	3433	}
2309		3434
2310	#############################################################################	3435	#############################################################################
2311	# initialisation and cleanup	3436	# initialisation and cleanup
2312		3437
2313	# install some emergency cleanup handlers	3438	# install some emergency cleanup handlers
2314	BEGIN {	3439	BEGIN {
		3440	our %SIGWATCHER = ();
2315	for my $signal (qw(INT HUP TERM)) {	3441	for my $signal (qw(INT HUP TERM)) {
2316	Event->signal (	3442	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2317	reentrant => 0,
2318	data => WF_AUTOCANCEL,
2319	signal => $signal,
2320	prio => 0,
2321	cb => sub {
2322	cf::cleanup "SIG$signal";	3443	cf::cleanup "SIG$signal";
2323	},
2324	);	3444	};
		3445	}
		3446	}
		3447
		3448	sub write_runtime_sync {
		3449	# first touch the runtime file to show we are still running:
		3450	# the fsync below can take a very very long time.
		3451
		3452	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3453
		3454	my $guard = cf::lock_acquire "write_runtime";
		3455
		3456	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3457	or return;
		3458
		3459	my $value = $cf::RUNTIME + 90 + 10;
		3460	# 10 is the runtime save interval, for a monotonic clock
		3461	# 60 allows for the watchdog to kill the server.
		3462
		3463	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3464	and return;
		3465
		3466	# always fsync - this file is important
		3467	aio_fsync $fh
		3468	and return;
		3469
		3470	# touch it again to show we are up-to-date
		3471	aio_utime $fh, undef, undef;
		3472
		3473	close $fh
		3474	or return;
		3475
		3476	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3477	and return;
		3478
		3479	warn "runtime file written.\n";
		3480
2325	}	3481	1
		3482	}
		3483
		3484	our $uuid_lock;
		3485	our $uuid_skip;
		3486
		3487	sub write_uuid_sync($) {
		3488	$uuid_skip ||= $_[0];
		3489
		3490	return if $uuid_lock;
		3491	local $uuid_lock = 1;
		3492
		3493	my $uuid = "$LOCALDIR/uuid";
		3494
		3495	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3496	or return;
		3497
		3498	my $value = uuid_seq uuid_cur;
		3499
		3500	unless ($value) {
		3501	warn "cowardly refusing to write zero uuid value!\n";
		3502	return;
		3503	}
		3504
		3505	my $value = uuid_str $value + $uuid_skip;
		3506	$uuid_skip = 0;
		3507
		3508	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3509	and return;
		3510
		3511	# always fsync - this file is important
		3512	aio_fsync $fh
		3513	and return;
		3514
		3515	close $fh
		3516	or return;
		3517
		3518	aio_rename "$uuid~", $uuid
		3519	and return;
		3520
		3521	warn "uuid file written ($value).\n";
		3522
		3523	1
		3524
		3525	}
		3526
		3527	sub write_uuid($$) {
		3528	my ($skip, $sync) = @_;
		3529
		3530	$sync ? write_uuid_sync $skip
		3531	: async { write_uuid_sync $skip };
2326	}	3532	}
2327		3533
2328	sub emergency_save() {	3534	sub emergency_save() {
2329	my $freeze_guard = cf::freeze_mainloop;	3535	my $freeze_guard = cf::freeze_mainloop;
2330		3536
2331	warn "enter emergency perl save\n";	3537	warn "emergency_perl_save: enter\n";
2332		3538
2333	cf::sync_job {	3539	cf::sync_job {
		3540	# this is a trade-off: we want to be very quick here, so
		3541	# save all maps without fsync, and later call a global sync
		3542	# (which in turn might be very very slow)
		3543	local $USE_FSYNC = 0;
		3544
2334	# use a peculiar iteration method to avoid tripping on perl	3545	# use a peculiar iteration method to avoid tripping on perl
2335	# refcount bugs in for. also avoids problems with players	3546	# refcount bugs in for. also avoids problems with players
2336	# and maps saved/destroyed asynchronously.	3547	# and maps saved/destroyed asynchronously.
2337	warn "begin emergency player save\n";	3548	warn "emergency_perl_save: begin player save\n";
2338	for my $login (keys %cf::PLAYER) {	3549	for my $login (keys %cf::PLAYER) {
2339	my $pl = $cf::PLAYER{$login} or next;	3550	my $pl = $cf::PLAYER{$login} or next;
2340	$pl->valid or next;	3551	$pl->valid or next;
		3552	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2341	$pl->save;	3553	$pl->save;
2342	}	3554	}
2343	warn "end emergency player save\n";	3555	warn "emergency_perl_save: end player save\n";
2344		3556
2345	warn "begin emergency map save\n";	3557	warn "emergency_perl_save: begin map save\n";
2346	for my $path (keys %cf::MAP) {	3558	for my $path (keys %cf::MAP) {
2347	my $map = $cf::MAP{$path} or next;	3559	my $map = $cf::MAP{$path} or next;
2348	$map->valid or next;	3560	$map->valid or next;
2349	$map->save;	3561	$map->save;
2350	}	3562	}
2351	warn "end emergency map save\n";	3563	warn "emergency_perl_save: end map save\n";
2352		3564
2353	warn "begin emergency database checkpoint\n";	3565	warn "emergency_perl_save: begin database checkpoint\n";
2354	BDB::db_env_txn_checkpoint $DB_ENV;	3566	BDB::db_env_txn_checkpoint $DB_ENV;
2355	warn "end emergency database checkpoint\n";	3567	warn "emergency_perl_save: end database checkpoint\n";
		3568
		3569	warn "emergency_perl_save: begin write uuid\n";
		3570	write_uuid_sync 1;
		3571	warn "emergency_perl_save: end write uuid\n";
2356	};	3572	};
2357		3573
		3574	warn "emergency_perl_save: starting sync()\n";
		3575	IO::AIO::aio_sync sub {
		3576	warn "emergency_perl_save: finished sync()\n";
		3577	};
		3578
2358	warn "leave emergency perl save\n";	3579	warn "emergency_perl_save: leave\n";
2359	}	3580	}
2360		3581
2361	sub post_cleanup {	3582	sub post_cleanup {
2362	my ($make_core) = @_;	3583	my ($make_core) = @_;
2363		3584
2364	warn Carp::longmess "post_cleanup backtrace"	3585	warn Carp::longmess "post_cleanup backtrace"
2365	if $make_core;	3586	if $make_core;
2366	}
2367		3587
		3588	my $fh = pidfile;
		3589	unlink $PIDFILE if <$fh> == $$;
		3590	}
		3591
		3592	# a safer delete_package, copied from Symbol
		3593	sub clear_package($) {
		3594	my $pkg = shift;
		3595
		3596	# expand to full symbol table name if needed
		3597	unless ($pkg =~ /^main::.*::$/) {
		3598	$pkg = "main$pkg" if $pkg =~ /^::/;
		3599	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3600	$pkg .= '::' unless $pkg =~ /::$/;
		3601	}
		3602
		3603	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3604	my $stem_symtab = *{$stem}{HASH};
		3605
		3606	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3607	or return;
		3608
		3609	# clear all symbols
		3610	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3611	for my $name (keys %$leaf_symtab) {
		3612	_gv_clear *{"$pkg$name"};
		3613	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3614	}
		3615	warn "cleared package $pkg\n";#d#
		3616	}
		3617
2368	sub reload() {	3618	sub do_reload_perl() {
2369	# can/must only be called in main	3619	# can/must only be called in main
2370	if ($Coro::current != $Coro::main) {	3620	if ($Coro::current != $Coro::main) {
2371	warn "can only reload from main coroutine";	3621	warn "can only reload from main coroutine";
2372	return;	3622	return;
2373	}	3623	}
2374		3624
		3625	return if $RELOAD++;
		3626
		3627	my $t1 = EV::time;
		3628
		3629	while ($RELOAD) {
2375	warn "reloading...";	3630	warn "reloading...";
2376		3631
2377	warn "cancelling server ticker";	3632	warn "entering sync_job";
2378	$TICK_WATCHER->cancel;
2379		3633
		3634	cf::sync_job {
		3635	cf::write_runtime_sync; # external watchdog should not bark
2380	cf::emergency_save;	3636	cf::emergency_save;
		3637	cf::write_runtime_sync; # external watchdog should not bark
2381		3638
2382	eval {	3639	warn "syncing database to disk";
		3640	BDB::db_env_txn_checkpoint $DB_ENV;
		3641
2383	# if anything goes wrong in here, we should simply crash as we already saved	3642	# if anything goes wrong in here, we should simply crash as we already saved
2384		3643
2385	warn "cancelling all WF_AUTOCANCEL watchers";
2386	for (Event::all_watchers) {
2387	$_->cancel if $_->data & WF_AUTOCANCEL;
2388	}
2389
2390	warn "syncing database to disk";
2391	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2392
2393	warn "flushing outstanding aio requests";	3644	warn "flushing outstanding aio requests";
2394	for (;;) {
2395	BDB::flush;
2396	IO::AIO::flush;
2397	Coro::cede;
2398	last unless IO::AIO::nreqs || BDB::nreqs;	3645	while (IO::AIO::nreqs || BDB::nreqs) {
2399	warn "iterate...";	3646	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2400	}
2401
2402	warn "cancelling all extension coros";
2403	$_->cancel for values %EXT_CORO;
2404	%EXT_CORO = ();
2405
2406	warn "removing commands";
2407	%COMMAND = ();
2408
2409	warn "removing ext commands";
2410	%EXTCMD = ();
2411
2412	warn "unloading/nuking all extensions";
2413	for my $pkg (@EXTS) {
2414	warn "... unloading $pkg";
2415
2416	if (my $cb = $pkg->can ("unload")) {
2417	eval {
2418	$cb->($pkg);
2419	1
2420	} or warn "$pkg unloaded, but with errors: $@";
2421	}	3647	}
2422		3648
2423	warn "... nuking $pkg";	3649	warn "cancelling all extension coros";
2424	Symbol::delete_package $pkg;	3650	$_->cancel for values %EXT_CORO;
2425	}	3651	%EXT_CORO = ();
2426		3652
2427	warn "unloading all perl modules loaded from $LIBDIR";	3653	warn "removing commands";
2428	while (my ($k, $v) = each %INC) {	3654	%COMMAND = ();
2429	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2430		3655
		3656	warn "removing ext/exti commands";
		3657	%EXTCMD = ();
		3658	%EXTICMD = ();
		3659
		3660	warn "unloading/nuking all extensions";
		3661	for my $pkg (@EXTS) {
2431	warn "... unloading $k";	3662	warn "... unloading $pkg";
2432	delete $INC{$k};
2433		3663
2434	$k =~ s/\.pm$//;
2435	$k =~ s/\//::/g;
2436
2437	if (my $cb = $k->can ("unload_module")) {	3664	if (my $cb = $pkg->can ("unload")) {
		3665	eval {
2438	$cb->();	3666	$cb->($pkg);
		3667	1
		3668	} or warn "$pkg unloaded, but with errors: $@";
		3669	}
		3670
		3671	warn "... clearing $pkg";
		3672	clear_package $pkg;
2439	}	3673	}
2440		3674
2441	Symbol::delete_package $k;	3675	warn "unloading all perl modules loaded from $LIBDIR";
		3676	while (my ($k, $v) = each %INC) {
		3677	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3678
		3679	warn "... unloading $k";
		3680	delete $INC{$k};
		3681
		3682	$k =~ s/\.pm$//;
		3683	$k =~ s/\//::/g;
		3684
		3685	if (my $cb = $k->can ("unload_module")) {
		3686	$cb->();
		3687	}
		3688
		3689	clear_package $k;
2442	}	3690	}
2443		3691
2444	warn "getting rid of safe::, as good as possible";	3692	warn "getting rid of safe::, as good as possible";
2445	Symbol::delete_package "safe::$_"	3693	clear_package "safe::$_"
2446	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3694	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2447		3695
2448	warn "unloading cf.pm \"a bit\"";	3696	warn "unloading cf.pm \"a bit\"";
2449	delete $INC{"cf.pm"};	3697	delete $INC{"cf.pm"};
		3698	delete $INC{"cf/pod.pm"};
2450		3699
2451	# don't, removes xs symbols, too,	3700	# don't, removes xs symbols, too,
2452	# and global variables created in xs	3701	# and global variables created in xs
2453	#Symbol::delete_package __PACKAGE__;	3702	#clear_package __PACKAGE__;
2454		3703
2455	warn "unload completed, starting to reload now";	3704	warn "unload completed, starting to reload now";
2456		3705
2457	warn "reloading cf.pm";	3706	warn "reloading cf.pm";
2458	require cf;	3707	require cf;
2459	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3708	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2460		3709
2461	warn "loading config and database again";	3710	warn "loading config and database again";
2462	cf::cfg_load;	3711	cf::reload_config;
2463		3712
2464	warn "loading extensions";	3713	warn "loading extensions";
2465	cf::load_extensions;	3714	cf::load_extensions;
2466		3715
		3716	if ($REATTACH_ON_RELOAD) {
2467	warn "reattaching attachments to objects/players";	3717	warn "reattaching attachments to objects/players";
2468	_global_reattach;	3718	_global_reattach; # objects, sockets
2469	warn "reattaching attachments to maps";	3719	warn "reattaching attachments to maps";
2470	reattach $_ for values %MAP;	3720	reattach $_ for values %MAP;
		3721	warn "reattaching attachments to players";
		3722	reattach $_ for values %PLAYER;
		3723	}
2471		3724
2472	warn "loading reloadable resources";	3725	warn "running post_init jobs";
2473	load_resources;	3726	(pop @POST_INIT)->(1) while @POST_INIT;
2474		3727
2475	warn "restarting server ticker";	3728	warn "leaving sync_job";
2476		3729
2477	$TICK_WATCHER->start;	3730	1
		3731	} or do {
		3732	warn $@;
		3733	cf::cleanup "error while reloading, exiting.";
		3734	};
		3735
		3736	warn "reloaded";
		3737	--$RELOAD;
		3738	}
		3739
		3740	$t1 = EV::time - $t1;
		3741	warn "reload completed in ${t1}s\n";
		3742	};
		3743
		3744	our $RELOAD_WATCHER; # used only during reload
		3745
		3746	sub reload_perl() {
		3747	# doing reload synchronously and two reloads happen back-to-back,
		3748	# coro crashes during coro_state_free->destroy here.
		3749
		3750	$RELOAD_WATCHER ||= cf::async {
		3751	Coro::AIO::aio_wait cache_extensions;
		3752
		3753	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3754	do_reload_perl;
		3755	undef $RELOAD_WATCHER;
		3756	};
2478	};	3757	};
2479		3758	}
2480	if ($@) {
2481	warn $@;
2482	warn "error while reloading, exiting.";
2483	exit 1;
2484	}
2485
2486	warn "reloaded";
2487	};
2488
2489	our $RELOAD_WATCHER; # used only during reload
2490		3759
2491	register_command "reload" => sub {	3760	register_command "reload" => sub {
2492	my ($who, $arg) = @_;	3761	my ($who, $arg) = @_;
2493		3762
2494	if ($who->flag (FLAG_WIZ)) {	3763	if ($who->flag (FLAG_WIZ)) {
2495	$who->message ("reloading server.");	3764	$who->message ("reloading server.");
2496		3765	async {
2497	# doing reload synchronously and two reloads happen back-to-back,	3766	$Coro::current->{desc} = "perl_reload";
2498	# coro crashes during coro_state_free->destroy here.
2499
2500	$RELOAD_WATCHER ||= Event->timer (
2501	reentrant => 0,
2502	after => 0,
2503	data => WF_AUTOCANCEL,
2504	cb => sub {
2505	reload;	3767	reload_perl;
2506	undef $RELOAD_WATCHER;
2507	},
2508	);	3768	};
2509	}	3769	}
2510	};	3770	};
2511		3771
2512	unshift @INC, $LIBDIR;	3772	unshift @INC, $LIBDIR;
2513		3773
2514	my $bug_warning = 0;	3774	my $bug_warning = 0;
2515		3775
2516	$TICK_WATCHER = Event->timer (	3776	our @WAIT_FOR_TICK;
2517	reentrant => 0,	3777	our @WAIT_FOR_TICK_BEGIN;
2518	parked => 1,	3778
2519	prio => 0,	3779	sub wait_for_tick {
2520	at => $NEXT_TICK || $TICK,	3780	return if tick_inhibit || $Coro::current == $Coro::main;
2521	data => WF_AUTOCANCEL,	3781
2522	cb => sub {	3782	my $signal = new Coro::Signal;
		3783	push @WAIT_FOR_TICK, $signal;
		3784	$signal->wait;
		3785	}
		3786
		3787	sub wait_for_tick_begin {
		3788	return if tick_inhibit || $Coro::current == $Coro::main;
		3789
		3790	my $signal = new Coro::Signal;
		3791	push @WAIT_FOR_TICK_BEGIN, $signal;
		3792	$signal->wait;
		3793	}
		3794
		3795	sub tick {
2523	if ($Coro::current != $Coro::main) {	3796	if ($Coro::current != $Coro::main) {
2524	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3797	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2525	unless ++$bug_warning > 10;	3798	unless ++$bug_warning > 10;
2526	return;	3799	return;
2527	}	3800	}
2528		3801
2529	$NOW = Event::time;
2530
2531	cf::server_tick; # one server iteration	3802	cf::server_tick; # one server iteration
2532	$RUNTIME += $TICK;
2533	$NEXT_TICK += $TICK;
2534		3803
2535	$WAIT_FOR_TICK->broadcast;	3804	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2536	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3805	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		3806	Coro::async_pool {
		3807	$Coro::current->{desc} = "runtime saver";
		3808	write_runtime_sync
		3809	or warn "ERROR: unable to write runtime file: $!";
		3810	};
		3811	}
2537		3812
2538	Event::sweep;	3813	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2539	Coro::cede_notself;	3814	$sig->send;
		3815	}
		3816	while (my $sig = shift @WAIT_FOR_TICK) {
		3817	$sig->send;
		3818	}
		3819
		3820	$LOAD = ($NOW - $TICK_START) / $TICK;
		3821	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3822
		3823	if (0) {
		3824	if ($NEXT_TICK) {
		3825	my $jitter = $TICK_START - $NEXT_TICK;
		3826	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3827	warn "jitter $JITTER\n";#d#
2540		3828	}
2541	# my $AFTER = Event::time;
2542	# warn $AFTER - $NOW;#d#
2543
2544	# if we are delayed by four ticks or more, skip them all
2545	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2546
2547	$TICK_WATCHER->at ($NEXT_TICK);
2548	$TICK_WATCHER->start;
2549	},	3829	}
2550	);	3830	}
2551		3831
2552	{	3832	{
2553	BDB::max_poll_time $TICK * 0.1;	3833	# configure BDB
2554	$BDB_POLL_WATCHER = Event->io (	3834
2555	reentrant => 0,
2556	fd => BDB::poll_fileno,
2557	poll => 'r',
2558	prio => 0,
2559	data => WF_AUTOCANCEL,
2560	cb => \&BDB::poll_cb,
2561	);
2562	BDB::min_parallel 8;	3835	BDB::min_parallel 8;
2563		3836	BDB::max_poll_reqs $TICK * 0.1;
2564	BDB::set_sync_prepare {	3837	$AnyEvent::BDB::WATCHER->priority (1);
2565	my $status;
2566	my $current = $Coro::current;
2567	(
2568	sub {
2569	$status = $!;
2570	$current->ready; undef $current;
2571	},
2572	sub {
2573	Coro::schedule while defined $current;
2574	$! = $status;
2575	},
2576	)
2577	};
2578		3838
2579	unless ($DB_ENV) {	3839	unless ($DB_ENV) {
2580	$DB_ENV = BDB::db_env_create;	3840	$DB_ENV = BDB::db_env_create;
		3841	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3842	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3843	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3844	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3845	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2581		3846
2582	cf::sync_job {	3847	cf::sync_job {
2583	eval {	3848	eval {
2584	BDB::db_env_open	3849	BDB::db_env_open
2585	$DB_ENV,	3850	$DB_ENV,
2586	$BDB_ENV_DIR,	3851	$BDBDIR,
2587	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3852	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2588	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3853	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2589	0666;	3854	0666;
2590		3855
2591	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3856	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2592
2593	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2594	$DB_ENV->set_lk_detect;
2595	};	3857	};
2596		3858
2597	cf::cleanup "db_env_open(db): $@" if $@;	3859	cf::cleanup "db_env_open(db): $@" if $@;
2598	};	3860	};
2599	}	3861	}
		3862
		3863	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3864	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3865	};
		3866	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3867	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3868	};
		3869	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3870	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3871	};
2600	}	3872	}
2601		3873
2602	{	3874	{
		3875	# configure IO::AIO
		3876
2603	IO::AIO::min_parallel 8;	3877	IO::AIO::min_parallel 8;
2604
2605	undef $Coro::AIO::WATCHER;
2606	IO::AIO::max_poll_time $TICK * 0.1;	3878	IO::AIO::max_poll_time $TICK * 0.1;
2607	$AIO_POLL_WATCHER = Event->io (	3879	undef $AnyEvent::AIO::WATCHER;
2608	reentrant => 0,
2609	fd => IO::AIO::poll_fileno,
2610	poll => 'r',
2611	prio => 6,
2612	data => WF_AUTOCANCEL,
2613	cb => \&IO::AIO::poll_cb,
2614	);
2615	}	3880	}
2616		3881
2617	$WRITE_RUNTIME_WATCHER = Event->timer (	3882	my $_log_backtrace;
2618	reentrant => 0,	3883
2619	data => WF_AUTOCANCEL,	3884	sub _log_backtrace {
2620	after => 1,	3885	my ($msg, @addr) = @_;
2621	interval => 10,	3886
2622	prio => 6, # keep it lowest so it acts like a watchdog	3887	$msg =~ s/\n//;
2623	cb => Coro::unblock_sub {	3888
2624	write_runtime	3889	# limit the # of concurrent backtraces
2625	or warn "ERROR: unable to write runtime file: $!";	3890	if ($_log_backtrace < 2) {
		3891	++$_log_backtrace;
		3892	my $perl_bt = Carp::longmess $msg;
		3893	async {
		3894	$Coro::current->{desc} = "abt $msg";
		3895
		3896	my @bt = fork_call {
		3897	@addr = map { sprintf "%x", $_ } @addr;
		3898	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3899	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3900	or die "addr2line: $!";
		3901
		3902	my @funcs;
		3903	my @res = <$fh>;
		3904	chomp for @res;
		3905	while (@res) {
		3906	my ($func, $line) = splice @res, 0, 2, ();
		3907	push @funcs, "[$func] $line";
		3908	}
		3909
		3910	@funcs
		3911	};
		3912
		3913	LOG llevInfo, "[ABT] $perl_bt\n";
		3914	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3915	LOG llevInfo, "[ABT] $_\n" for @bt;
		3916	--$_log_backtrace;
		3917	};
		3918	} else {
		3919	LOG llevInfo, "[ABT] $msg\n";
		3920	LOG llevInfo, "[ABT] [suppressed]\n";
2626	},	3921	}
2627	);	3922	}
		3923
		3924	# load additional modules
		3925	use cf::pod;
2628		3926
2629	END { cf::emergency_save }	3927	END { cf::emergency_save }
2630		3928
2631	1	3929	1
2632		3930

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