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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 1.459 by root, Sat Dec 13 21:46:12 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
		31	use EV;
9	use Opcode;	32	use Opcode;
10	use Safe;	33	use Safe;
11	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
12		36
		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 "FATAL: $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	# and all this just because we cannot iterate over
1300	# all maps in C++...	1868	# all maps in C++...
1301	sub change_all_map_light {	1869	sub change_all_map_light {
…		…
1303		1871
1304	$_->change_map_light ($change)	1872	$_->change_map_light ($change)
1305	for grep $_->outdoor, values %cf::MAP;	1873	for grep $_->outdoor, values %cf::MAP;
1306	}	1874	}
1307		1875
		1876	sub decay_objects {
		1877	my ($self) = @_;
		1878
		1879	return if $self->{deny_reset};
		1880
		1881	$self->do_decay_objects;
		1882	}
		1883
1308	sub unlink_save {	1884	sub unlink_save {
1309	my ($self) = @_;	1885	my ($self) = @_;
1310		1886
1311	utf8::encode (my $save = $self->save_path);	1887	utf8::encode (my $save = $self->save_path);
1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1888	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1889	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	}	1890	}
1320		1891
1321	sub load_header_from($) {	1892	sub load_header_from($) {
1322	my ($self, $path) = @_;	1893	my ($self, $path) = @_;
1323		1894
1324	utf8::encode $path;	1895	utf8::encode $path;
1325	#aio_open $path, O_RDONLY, 0	1896	my $f = new_from_file cf::object::thawer $path
1326	# or return;
1327
1328	$self->_load_header ($path)
1329	or return;	1897	or return;
		1898
		1899	$self->_load_header ($f)
		1900	or return;
		1901
		1902	local $MAP_LOADING{$self->{path}} = $self;
		1903	$f->resolve_delayed_derefs;
1330		1904
1331	$self->{load_path} = $path;	1905	$self->{load_path} = $path;
1332		1906
1333	1	1907	1
1334	}	1908	}
…		…
1373	$self->load_header_orig	1947	$self->load_header_orig
1374	or return;	1948	or return;
1375	$self->prepare_orig;	1949	$self->prepare_orig;
1376	}	1950	}
1377		1951
		1952	$self->{deny_reset} = 1
		1953	if $self->no_reset;
		1954
		1955	$self->default_region (cf::region::find_by_path $self->{path})
		1956	unless $self->default_region;
		1957
1378	1	1958	1
1379	}	1959	}
1380		1960
1381	sub find;	1961	sub find;
1382	sub find {	1962	sub find {
1383	my ($path, $origin) = @_;	1963	my ($path, $origin) = @_;
1384		1964
1385	$path = normalise $path, $origin && $origin->path;	1965	$path = normalise $path, $origin && $origin->path;
1386		1966
		1967	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1387	cf::lock_wait "map_find:$path";	1968	my $guard2 = cf::lock_acquire "map_find:$path";
1388		1969
1389	$cf::MAP{$path} || do {	1970	$cf::MAP{$path} || do {
1390	my $guard = cf::lock_acquire "map_find:$path";
1391	my $map = new_from_path cf::map $path	1971	my $map = new_from_path cf::map $path
1392	or return;	1972	or return;
1393		1973
1394	$map->{last_save} = $cf::RUNTIME;	1974	$map->{last_save} = $cf::RUNTIME;
1395		1975
1396	$map->load_header	1976	$map->load_header
1397	or return;	1977	or return;
1398		1978
1399	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1979	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1400	# doing this can freeze the server in a sync job, obviously	1980	# doing this can freeze the server in a sync job, obviously
1401	#$cf::WAIT_FOR_TICK->wait;	1981	#$cf::WAIT_FOR_TICK->wait;
		1982	undef $guard2;
		1983	undef $guard1;
1402	$map->reset;	1984	$map->reset;
1403	undef $guard;
1404	return find $path;	1985	return find $path;
1405	}	1986	}
1406		1987
1407	$cf::MAP{$path} = $map	1988	$cf::MAP{$path} = $map
1408	}	1989	}
…		…
1415	my ($self) = @_;	1996	my ($self) = @_;
1416		1997
1417	local $self->{deny_reset} = 1; # loading can take a long time	1998	local $self->{deny_reset} = 1; # loading can take a long time
1418		1999
1419	my $path = $self->{path};	2000	my $path = $self->{path};
		2001
		2002	{
1420	my $guard = cf::lock_acquire "map_load:$path";	2003	my $guard = cf::lock_acquire "map_data:$path";
1421		2004
		2005	return unless $self->valid;
1422	return if $self->in_memory != cf::MAP_SWAPPED;	2006	return unless $self->in_memory == cf::MAP_SWAPPED;
1423		2007
1424	$self->in_memory (cf::MAP_LOADING);	2008	$self->in_memory (cf::MAP_LOADING);
1425		2009
1426	$self->alloc;	2010	$self->alloc;
1427		2011
1428	$self->pre_load;	2012	$self->pre_load;
		2013	cf::cede_to_tick;
1429		2014
1430	$self->_load_objects ($self->{load_path}, 1)	2015	my $f = new_from_file cf::object::thawer $self->{load_path};
		2016	$f->skip_block;
		2017	$self->_load_objects ($f)
1431	or return;	2018	or return;
1432		2019
1433	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2020	$self->post_load_original
1434	if delete $self->{load_original};	2021	if delete $self->{load_original};
1435		2022
1436	if (my $uniq = $self->uniq_path) {	2023	if (my $uniq = $self->uniq_path) {
1437	utf8::encode $uniq;	2024	utf8::encode $uniq;
1438	if (aio_open $uniq, O_RDONLY, 0) {	2025	unless (aio_stat $uniq) {
		2026	if (my $f = new_from_file cf::object::thawer $uniq) {
1439	$self->clear_unique_items;	2027	$self->clear_unique_items;
1440	$self->_load_objects ($uniq, 0);	2028	$self->_load_objects ($f);
		2029	$f->resolve_delayed_derefs;
		2030	}
1441	}	2031	}
1442	}	2032	}
1443		2033
1444	Coro::cede;	2034	$f->resolve_delayed_derefs;
1445		2035
		2036	cf::cede_to_tick;
1446	# now do the right thing for maps	2037	# now do the right thing for maps
1447	$self->link_multipart_objects;	2038	$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)	2039	$self->difficulty ($self->estimate_difficulty)
1456	unless $self->difficulty;	2040	unless $self->difficulty;
1457	Coro::cede;	2041	cf::cede_to_tick;
		2042
		2043	unless ($self->{deny_activate}) {
		2044	$self->decay_objects;
		2045	$self->fix_auto_apply;
		2046	$self->update_buttons;
		2047	cf::cede_to_tick;
		2048	$self->set_darkness_map;
		2049	cf::cede_to_tick;
1458	$self->activate;	2050	$self->activate;
		2051	}
		2052
		2053	$self->{last_save} = $cf::RUNTIME;
		2054	$self->last_access ($cf::RUNTIME);
		2055
		2056	$self->in_memory (cf::MAP_ACTIVE);
1459	}	2057	}
1460		2058
1461	$self->post_load;	2059	$self->post_load;
1462
1463	$self->in_memory (cf::MAP_IN_MEMORY);
1464	}	2060	}
1465		2061
1466	sub customise_for {	2062	sub customise_for {
1467	my ($self, $ob) = @_;	2063	my ($self, $ob) = @_;
1468		2064
1469	return find "~" . $ob->name . "/" . $self->{path}	2065	return find "~" . $ob->name . "/" . $self->{path}
1470	if $self->per_player;	2066	if $self->per_player;
1471		2067
		2068	# return find "?party/" . $ob->name . "/" . $self->{path}
		2069	# if $self->per_party;
		2070
1472	$self	2071	$self
1473	}	2072	}
1474		2073
1475	# find and load all maps in the 3x3 area around a map	2074	# find and load all maps in the 3x3 area around a map
1476	sub load_diag {	2075	sub load_neighbours {
1477	my ($map) = @_;	2076	my ($map) = @_;
1478		2077
1479	my @diag; # diagonal neighbours	2078	my @neigh; # diagonal neighbours
1480		2079
1481	for (0 .. 3) {	2080	for (0 .. 3) {
1482	my $neigh = $map->tile_path ($_)	2081	my $neigh = $map->tile_path ($_)
1483	or next;	2082	or next;
1484	$neigh = find $neigh, $map	2083	$neigh = find $neigh, $map
1485	or next;	2084	or next;
1486	$neigh->load;	2085	$neigh->load;
1487		2086
		2087	push @neigh,
1488	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2088	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1489	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2089	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1490	}	2090	}
1491		2091
1492	for (@diag) {	2092	for (grep defined $_->[0], @neigh) {
		2093	my ($path, $origin) = @$_;
1493	my $neigh = find @$_	2094	my $neigh = find $path, $origin
1494	or next;	2095	or next;
1495	$neigh->load;	2096	$neigh->load;
1496	}	2097	}
1497	}	2098	}
1498		2099
…		…
1503	}	2104	}
1504		2105
1505	sub do_load_sync {	2106	sub do_load_sync {
1506	my ($map) = @_;	2107	my ($map) = @_;
1507		2108
		2109	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2110	if $Coro::current == $Coro::main;
		2111
1508	cf::sync_job { $map->load };	2112	cf::sync_job { $map->load };
1509	}	2113	}
1510		2114
1511	our %MAP_PREFETCH;	2115	our %MAP_PREFETCH;
1512	our $MAP_PREFETCHER = undef;	2116	our $MAP_PREFETCHER = undef;
1513		2117
1514	sub find_async {	2118	sub find_async {
1515	my ($path, $origin) = @_;	2119	my ($path, $origin, $load) = @_;
1516		2120
1517	$path = normalise $path, $origin && $origin->{path};	2121	$path = normalise $path, $origin && $origin->{path};
1518		2122
1519	if (my $map = $cf::MAP{$path}) {	2123	if (my $map = $cf::MAP{$path}) {
1520	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2124	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1521	}	2125	}
1522		2126
1523	undef $MAP_PREFETCH{$path};	2127	$MAP_PREFETCH{$path} |= $load;
		2128
1524	$MAP_PREFETCHER ||= cf::async {	2129	$MAP_PREFETCHER ||= cf::async {
		2130	$Coro::current->{desc} = "map prefetcher";
		2131
1525	while (%MAP_PREFETCH) {	2132	while (%MAP_PREFETCH) {
1526	for my $path (keys %MAP_PREFETCH) {	2133	while (my ($k, $v) = each %MAP_PREFETCH) {
1527	my $map = find $path	2134	if (my $map = find $k) {
1528	or next;
1529	$map->load;	2135	$map->load if $v;
		2136	}
1530		2137
1531	delete $MAP_PREFETCH{$path};	2138	delete $MAP_PREFETCH{$k};
1532	}	2139	}
1533	}	2140	}
1534	undef $MAP_PREFETCHER;	2141	undef $MAP_PREFETCHER;
1535	};	2142	};
1536	$MAP_PREFETCHER->prio (6);	2143	$MAP_PREFETCHER->prio (6);
…		…
1539	}	2146	}
1540		2147
1541	sub save {	2148	sub save {
1542	my ($self) = @_;	2149	my ($self) = @_;
1543		2150
1544	my $lock = cf::lock_acquire "map_data:" . $self->path;	2151	my $lock = cf::lock_acquire "map_data:$self->{path}";
1545		2152
1546	$self->{last_save} = $cf::RUNTIME;	2153	$self->{last_save} = $cf::RUNTIME;
1547		2154
1548	return unless $self->dirty;	2155	return unless $self->dirty;
1549		2156
…		…
1555	return if $self->{deny_save};	2162	return if $self->{deny_save};
1556		2163
1557	local $self->{last_access} = $self->last_access;#d#	2164	local $self->{last_access} = $self->last_access;#d#
1558		2165
1559	cf::async {	2166	cf::async {
		2167	$Coro::current->{desc} = "map player save";
1560	$_->contr->save for $self->players;	2168	$_->contr->save for $self->players;
1561	};	2169	};
		2170
		2171	cf::get_slot 0.02;
1562		2172
1563	if ($uniq) {	2173	if ($uniq) {
1564	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2174	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1565	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2175	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1566	} else {	2176	} else {
…		…
1572	my ($self) = @_;	2182	my ($self) = @_;
1573		2183
1574	# save first because save cedes	2184	# save first because save cedes
1575	$self->save;	2185	$self->save;
1576		2186
1577	my $lock = cf::lock_acquire "map_data:" . $self->path;	2187	my $lock = cf::lock_acquire "map_data:$self->{path}";
1578		2188
1579	return if $self->players;	2189	return if $self->players;
1580	return if $self->in_memory != cf::MAP_IN_MEMORY;	2190	return if $self->in_memory != cf::MAP_ACTIVE;
1581	return if $self->{deny_save};	2191	return if $self->{deny_save};
1582		2192
		2193	$self->in_memory (cf::MAP_SWAPPED);
		2194
		2195	$self->deactivate;
		2196	$_->clear_links_to ($self) for values %cf::MAP;
1583	$self->clear;	2197	$self->clear;
1584	$self->in_memory (cf::MAP_SWAPPED);
1585	}	2198	}
1586		2199
1587	sub reset_at {	2200	sub reset_at {
1588	my ($self) = @_;	2201	my ($self) = @_;
1589		2202
1590	# TODO: safety, remove and allow resettable per-player maps	2203	# 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};	2204	return 1e99 if $self->{deny_reset};
1593		2205
1594	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2206	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1595	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2207	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1596		2208
…		…
1607	my ($self) = @_;	2219	my ($self) = @_;
1608		2220
1609	my $lock = cf::lock_acquire "map_data:$self->{path}";	2221	my $lock = cf::lock_acquire "map_data:$self->{path}";
1610		2222
1611	return if $self->players;	2223	return if $self->players;
1612	return if $self->isa ("ext::map_per_player");#d#
1613		2224
1614	warn "resetting map ", $self->path;#d#	2225	warn "resetting map ", $self->path;
1615		2226
1616	$self->in_memory (cf::MAP_SWAPPED);	2227	$self->in_memory (cf::MAP_SWAPPED);
1617		2228
1618	# need to save uniques path	2229	# need to save uniques path
1619	unless ($self->{deny_save}) {	2230	unless ($self->{deny_save}) {
…		…
1623	if $uniq;	2234	if $uniq;
1624	}	2235	}
1625		2236
1626	delete $cf::MAP{$self->path};	2237	delete $cf::MAP{$self->path};
1627		2238
		2239	$self->deactivate;
		2240	$_->clear_links_to ($self) for values %cf::MAP;
1628	$self->clear;	2241	$self->clear;
1629
1630	$_->clear_links_to ($self) for values %cf::MAP;
1631		2242
1632	$self->unlink_save;	2243	$self->unlink_save;
1633	$self->destroy;	2244	$self->destroy;
1634	}	2245	}
1635		2246
1636	my $nuke_counter = "aaaa";	2247	my $nuke_counter = "aaaa";
1637		2248
1638	sub nuke {	2249	sub nuke {
1639	my ($self) = @_;	2250	my ($self) = @_;
1640		2251
		2252	{
		2253	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2254
1641	delete $cf::MAP{$self->path};	2255	delete $cf::MAP{$self->path};
1642		2256
1643	$self->unlink_save;	2257	$self->unlink_save;
1644		2258
1645	bless $self, "cf::map";	2259	bless $self, "cf::map";
1646	delete $self->{deny_reset};	2260	delete $self->{deny_reset};
1647	$self->{deny_save} = 1;	2261	$self->{deny_save} = 1;
1648	$self->reset_timeout (1);	2262	$self->reset_timeout (1);
1649	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2263	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1650		2264
1651	$cf::MAP{$self->path} = $self;	2265	$cf::MAP{$self->path} = $self;
		2266	}
1652		2267
1653	$self->reset; # polite request, might not happen	2268	$self->reset; # polite request, might not happen
		2269	}
		2270
		2271	=item $maps = cf::map::tmp_maps
		2272
		2273	Returns an arrayref with all map paths of currently instantiated and saved
		2274	maps. May block.
		2275
		2276	=cut
		2277
		2278	sub tmp_maps() {
		2279	[
		2280	map {
		2281	utf8::decode $_;
		2282	/\.map$/
		2283	? normalise $_
		2284	: ()
		2285	} @{ aio_readdir $TMPDIR or [] }
		2286	]
		2287	}
		2288
		2289	=item $maps = cf::map::random_maps
		2290
		2291	Returns an arrayref with all map paths of currently instantiated and saved
		2292	random maps. May block.
		2293
		2294	=cut
		2295
		2296	sub random_maps() {
		2297	[
		2298	map {
		2299	utf8::decode $_;
		2300	/\.map$/
		2301	? normalise "?random/$_"
		2302	: ()
		2303	} @{ aio_readdir $RANDOMDIR or [] }
		2304	]
1654	}	2305	}
1655		2306
1656	=item cf::map::unique_maps	2307	=item cf::map::unique_maps
1657		2308
1658	Returns an arrayref of paths of all shared maps that have	2309	Returns an arrayref of paths of all shared maps that have
1659	instantiated unique items. May block.	2310	instantiated unique items. May block.
1660		2311
1661	=cut	2312	=cut
1662		2313
1663	sub unique_maps() {	2314	sub unique_maps() {
1664	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2315	[
1665	or return;	2316	map {
1666
1667	my @paths;
1668
1669	for (@$files) {
1670	utf8::decode $_;	2317	utf8::decode $_;
1671	next if /\.pst$/;	2318	s/\.map$//; # TODO future compatibility hack
1672	next unless /^$PATH_SEP/o;	2319	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1673		2320	? ()
1674	push @paths, cf::map::normalise $_;	2321	: normalise $_
		2322	} @{ aio_readdir $UNIQUEDIR or [] }
1675	}	2323	]
1676
1677	\@paths
1678	}	2324	}
1679
1680	package cf;
1681		2325
1682	=back	2326	=back
1683		2327
1684	=head3 cf::object	2328	=head3 cf::object
1685		2329
…		…
1689		2333
1690	=over 4	2334	=over 4
1691		2335
1692	=item $ob->inv_recursive	2336	=item $ob->inv_recursive
1693		2337
1694	Returns the inventory of the object _and_ their inventories, recursively.	2338	Returns the inventory of the object I<and> their inventories, recursively,
		2339	but I<not> the object itself.
1695		2340
1696	=cut	2341	=cut
1697		2342
1698	sub inv_recursive_;	2343	sub inv_recursive_;
1699	sub inv_recursive_ {	2344	sub inv_recursive_ {
…		…
1702		2347
1703	sub inv_recursive {	2348	sub inv_recursive {
1704	inv_recursive_ inv $_[0]	2349	inv_recursive_ inv $_[0]
1705	}	2350	}
1706		2351
		2352	=item $ref = $ob->ref
		2353
		2354	Creates and returns a persistent reference to an object that can be stored as a string.
		2355
		2356	=item $ob = cf::object::deref ($refstring)
		2357
		2358	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2359	even if the object actually exists. May block.
		2360
		2361	=cut
		2362
		2363	sub deref {
		2364	my ($ref) = @_;
		2365
		2366	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2367	my ($uuid, $name) = ($1, $2);
		2368	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2369	or return;
		2370	$pl->ob->uuid eq $uuid
		2371	or return;
		2372
		2373	$pl->ob
		2374	} else {
		2375	warn "$ref: cannot resolve object reference\n";
		2376	undef
		2377	}
		2378	}
		2379
1707	package cf;	2380	package cf;
1708		2381
1709	=back	2382	=back
1710		2383
1711	=head3 cf::object::player	2384	=head3 cf::object::player
…		…
1717	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2390	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	2391	can be C<undef>. Does the right thing when the player is currently in a
1719	dialogue with the given NPC character.	2392	dialogue with the given NPC character.
1720		2393
1721	=cut	2394	=cut
		2395
		2396	our $SAY_CHANNEL = {
		2397	id => "say",
		2398	title => "Map",
		2399	reply => "say ",
		2400	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2401	};
		2402
		2403	our $CHAT_CHANNEL = {
		2404	id => "chat",
		2405	title => "Chat",
		2406	reply => "chat ",
		2407	tooltip => "Player chat and shouts, global to the server.",
		2408	};
1722		2409
1723	# rough implementation of a future "reply" method that works	2410	# rough implementation of a future "reply" method that works
1724	# with dialog boxes.	2411	# with dialog boxes.
1725	#TODO: the first argument must go, split into a $npc->reply_to ( method	2412	#TODO: the first argument must go, split into a $npc->reply_to ( method
1726	sub cf::object::player::reply($$$;$) {	2413	sub cf::object::player::reply($$$;$) {
…		…
1728		2415
1729	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2416	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1730		2417
1731	if ($self->{record_replies}) {	2418	if ($self->{record_replies}) {
1732	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2419	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2420
1733	} else {	2421	} else {
		2422	my $pl = $self->contr;
		2423
		2424	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2425	my $dialog = $pl->{npc_dialog};
		2426	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2427
		2428	} else {
1734	$msg = $npc->name . " says: $msg" if $npc;	2429	$msg = $npc->name . " says: $msg" if $npc;
1735	$self->message ($msg, $flags);	2430	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2431	}
1736	}	2432	}
		2433	}
		2434
		2435	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2436
		2437	=cut
		2438
		2439	sub cf::object::send_msg {
		2440	my $pl = shift->contr
		2441	or return;
		2442	$pl->send_msg (@_);
1737	}	2443	}
1738		2444
1739	=item $player_object->may ("access")	2445	=item $player_object->may ("access")
1740		2446
1741	Returns wether the given player is authorized to access resource "access"	2447	Returns wether the given player is authorized to access resource "access"
…		…
1754		2460
1755	=item $player_object->enter_link	2461	=item $player_object->enter_link
1756		2462
1757	Freezes the player and moves him/her to a special map (C<{link}>).	2463	Freezes the player and moves him/her to a special map (C<{link}>).
1758		2464
1759	The player should be reasonably safe there for short amounts of time. You	2465	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.	2466	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2467	though, as the palyer cannot control the character while it is on the link
		2468	map.
1761		2469
1762	Will never block.	2470	Will never block.
1763		2471
1764	=item $player_object->leave_link ($map, $x, $y)	2472	=item $player_object->leave_link ($map, $x, $y)
1765		2473
…		…
1788	$self->deactivate_recursive;	2496	$self->deactivate_recursive;
1789		2497
1790	return if UNIVERSAL::isa $self->map, "ext::map_link";	2498	return if UNIVERSAL::isa $self->map, "ext::map_link";
1791		2499
1792	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2500	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1793	if $self->map;	2501	if $self->map && $self->map->{path} ne "{link}";
1794		2502
1795	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2503	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1796	}	2504	}
1797		2505
1798	sub cf::object::player::leave_link {	2506	sub cf::object::player::leave_link {
1799	my ($self, $map, $x, $y) = @_;	2507	my ($self, $map, $x, $y) = @_;
		2508
		2509	return unless $self->contr->active;
1800		2510
1801	my $link_pos = delete $self->{_link_pos};	2511	my $link_pos = delete $self->{_link_pos};
1802		2512
1803	unless ($map) {	2513	unless ($map) {
1804	# restore original map position	2514	# restore original map position
…		…
1818	# use -1 or undef as default coordinates, not 0, 0	2528	# use -1 or undef as default coordinates, not 0, 0
1819	($x, $y) = ($map->enter_x, $map->enter_y)	2529	($x, $y) = ($map->enter_x, $map->enter_y)
1820	if $x <=0 && $y <= 0;	2530	if $x <=0 && $y <= 0;
1821		2531
1822	$map->load;	2532	$map->load;
1823	$map->load_diag;	2533	$map->load_neighbours;
1824		2534
1825	return unless $self->contr->active;	2535	return unless $self->contr->active;
		2536	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1826	$self->activate_recursive;	2537	$self->activate_recursive;
		2538
		2539	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1827	$self->enter_map ($map, $x, $y);	2540	$self->enter_map ($map, $x, $y);
1828	}	2541	}
1829		2542
1830	cf::player->attach (	2543	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1831	on_logout => sub {
1832	my ($pl) = @_;
1833		2544
1834	# abort map switching before logout	2545	Moves the player to the given map-path and coordinates by first freezing
1835	if ($pl->ob->{_link_pos}) {	2546	her, loading and preparing them map, calling the provided $check callback
1836	cf::sync_job {	2547	that has to return the map if sucecssful, and then unfreezes the player on
1837	$pl->ob->leave_link	2548	the new (success) or old (failed) map position. In either case, $done will
1838	};	2549	be called at the end of this process.
1839	}
1840	},
1841	on_login => sub {
1842	my ($pl) = @_;
1843		2550
1844	# try to abort aborted map switching on player login :)	2551	Note that $check will be called with a potentially non-loaded map, so if
1845	# should happen only on crashes	2552	it needs a loaded map it has to call C<< ->load >>.
1846	if ($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		2553
1862	=item $player_object->goto ($path, $x, $y)
1863
1864	=cut	2554	=cut
		2555
		2556	our $GOTOGEN;
1865		2557
1866	sub cf::object::player::goto {	2558	sub cf::object::player::goto {
1867	my ($self, $path, $x, $y) = @_;	2559	my ($self, $path, $x, $y, $check, $done) = @_;
		2560
		2561	# do generation counting so two concurrent goto's will be executed in-order
		2562	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1868		2563
1869	$self->enter_link;	2564	$self->enter_link;
1870		2565
1871	(async {	2566	(async {
		2567	$Coro::current->{desc} = "player::goto $path $x $y";
		2568
		2569	# *tag paths override both path and x|y
		2570	if ($path =~ /^\*(.*)$/) {
		2571	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2572	my $ob = $obs[rand @obs];
		2573
		2574	# see if we actually can go there
		2575	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2576	$ob = $obs[rand @obs];
		2577	} else {
		2578	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2579	}
		2580	# else put us there anyways for now #d#
		2581
		2582	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2583	} else {
		2584	($path, $x, $y) = (undef, undef, undef);
		2585	}
		2586	}
		2587
1872	my $map = eval {	2588	my $map = eval {
1873	my $map = cf::map::find $path;	2589	my $map = defined $path ? cf::map::find $path : undef;
		2590
		2591	if ($map) {
1874	$map = $map->customise_for ($self) if $map;	2592	$map = $map->customise_for ($self);
		2593	$map = $check->($map) if $check && $map;
		2594	} else {
		2595	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2596	}
		2597
1875	$map	2598	$map
		2599	};
		2600
		2601	if ($@) {
		2602	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2603	LOG llevError | logBacktrace, Carp::longmess $@;
1876	} or	2604	}
1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1878		2605
		2606	if ($gen == $self->{_goto_generation}) {
		2607	delete $self->{_goto_generation};
1879	$self->leave_link ($map, $x, $y);	2608	$self->leave_link ($map, $x, $y);
		2609	}
		2610
		2611	$done->() if $done;
1880	})->prio (1);	2612	})->prio (1);
1881	}	2613	}
1882		2614
1883	=item $player_object->enter_exit ($exit_object)	2615	=item $player_object->enter_exit ($exit_object)
1884		2616
…		…
1904	}	2636	}
1905		2637
1906	sub prepare_random_map {	2638	sub prepare_random_map {
1907	my ($exit) = @_;	2639	my ($exit) = @_;
1908		2640
1909	my $guard = cf::lock_acquire "exit_prepare:$exit";
1910
1911	# all this does is basically replace the /! path by	2641	# all this does is basically replace the /! path by
1912	# a new random map path (?random/...) with a seed	2642	# a new random map path (?random/...) with a seed
1913	# that depends on the exit object	2643	# that depends on the exit object
1914		2644
1915	my $rmp = parse_random_map_params $exit->msg;	2645	my $rmp = parse_random_map_params $exit->msg;
…		…
1917	if ($exit->map) {	2647	if ($exit->map) {
1918	$rmp->{region} = $exit->region->name;	2648	$rmp->{region} = $exit->region->name;
1919	$rmp->{origin_map} = $exit->map->path;	2649	$rmp->{origin_map} = $exit->map->path;
1920	$rmp->{origin_x} = $exit->x;	2650	$rmp->{origin_x} = $exit->x;
1921	$rmp->{origin_y} = $exit->y;	2651	$rmp->{origin_y} = $exit->y;
		2652
		2653	$exit->map->touch;
1922	}	2654	}
1923		2655
1924	$rmp->{random_seed} ||= $exit->random_seed;	2656	$rmp->{random_seed} ||= $exit->random_seed;
1925		2657
1926	my $data = cf::to_json $rmp;	2658	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1927	my $md5 = Digest::MD5::md5_hex $data;	2659	my $md5 = Digest::MD5::md5_hex $data;
1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2660	my $meta = "$RANDOMDIR/$md5.meta";
1929		2661
1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2662	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1931	aio_write $fh, 0, (length $data), $data, 0;	2663	aio_write $fh, 0, (length $data), $data, 0;
1932	undef $fh;	2664	undef $fh;
1933	aio_rename "$meta~", $meta;	2665	aio_rename "$meta~", $meta;
1934		2666
		2667	my $slaying = "?random/$md5";
		2668
		2669	if ($exit->valid) {
1935	$exit->slaying ("?random/$md5");	2670	$exit->slaying ("?random/$md5");
1936	$exit->msg (undef);	2671	$exit->msg (undef);
		2672	}
1937	}	2673	}
1938	}	2674	}
1939		2675
1940	sub cf::object::player::enter_exit {	2676	sub cf::object::player::enter_exit {
1941	my ($self, $exit) = @_;	2677	my ($self, $exit) = @_;
1942		2678
1943	return unless $self->type == cf::PLAYER;	2679	return unless $self->type == cf::PLAYER;
1944		2680
1945	if ($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;	2681	$self->enter_link;
1955		2682
1956	(async {	2683	(async {
1957	$self->deactivate_recursive; # just to be sure	2684	$Coro::current->{desc} = "enter_exit";
		2685
1958	unless (eval {	2686	unless (eval {
		2687	$self->deactivate_recursive; # just to be sure
		2688
		2689	# random map handling
		2690	{
		2691	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2692
		2693	prepare_random_map $exit
		2694	if $exit->slaying eq "/!";
		2695	}
		2696
		2697	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2698	my $x = $exit->stats->hp;
		2699	my $y = $exit->stats->sp;
		2700
1959	$self->goto ($slaying, $hp, $sp);	2701	$self->goto ($map, $x, $y);
1960		2702
		2703	# if exit is damned, update players death & WoR home-position
		2704	$self->contr->savebed ($map, $x, $y)
		2705	if $exit->flag (cf::FLAG_DAMNED);
		2706
1961	1;	2707	1
1962	}) {	2708	}) {
1963	$self->message ("Something went wrong deep within the crossfire server. "	2709	$self->message ("Something went wrong deep within the deliantra server. "
1964	. "I'll try to bring you back to the map you were before. "	2710	. "I'll try to bring you back to the map you were before. "
1965	. "Please report this to the dungeon master!",	2711	. "Please report this to the dungeon master!",
1966	cf::NDI_UNIQUE | cf::NDI_RED);	2712	cf::NDI_UNIQUE | cf::NDI_RED);
1967		2713
1968	warn "ERROR in enter_exit: $@";	2714	warn "ERROR in enter_exit: $@";
1969	$self->leave_link;	2715	$self->leave_link;
1970	}	2716	}
1971	})->prio (1);	2717	})->prio (1);
…		…
1984		2730
1985	sub cf::client::send_drawinfo {	2731	sub cf::client::send_drawinfo {
1986	my ($self, $text, $flags) = @_;	2732	my ($self, $text, $flags) = @_;
1987		2733
1988	utf8::encode $text;	2734	utf8::encode $text;
1989	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2735	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1990	}	2736	}
1991		2737
		2738	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2739
		2740	Send a drawinfo or msg packet to the client, formatting the msg for the
		2741	client if neccessary. C<$type> should be a string identifying the type of
		2742	the message, with C<log> being the default. If C<$color> is negative, suppress
		2743	the message unless the client supports the msg packet.
		2744
		2745	=cut
		2746
		2747	# non-persistent channels (usually the info channel)
		2748	our %CHANNEL = (
		2749	"c/identify" => {
		2750	id => "infobox",
		2751	title => "Identify",
		2752	reply => undef,
		2753	tooltip => "Items recently identified",
		2754	},
		2755	"c/examine" => {
		2756	id => "infobox",
		2757	title => "Examine",
		2758	reply => undef,
		2759	tooltip => "Signs and other items you examined",
		2760	},
		2761	"c/book" => {
		2762	id => "infobox",
		2763	title => "Book",
		2764	reply => undef,
		2765	tooltip => "The contents of a note or book",
		2766	},
		2767	"c/lookat" => {
		2768	id => "infobox",
		2769	title => "Look",
		2770	reply => undef,
		2771	tooltip => "What you saw there",
		2772	},
		2773	"c/who" => {
		2774	id => "infobox",
		2775	title => "Players",
		2776	reply => undef,
		2777	tooltip => "Shows players who are currently online",
		2778	},
		2779	"c/body" => {
		2780	id => "infobox",
		2781	title => "Body Parts",
		2782	reply => undef,
		2783	tooltip => "Shows which body parts you posess and are available",
		2784	},
		2785	"c/skills" => {
		2786	id => "infobox",
		2787	title => "Skills",
		2788	reply => undef,
		2789	tooltip => "Shows your experience per skill and item power",
		2790	},
		2791	"c/uptime" => {
		2792	id => "infobox",
		2793	title => "Uptime",
		2794	reply => undef,
		2795	tooltip => "How long the server has been running since last restart",
		2796	},
		2797	"c/mapinfo" => {
		2798	id => "infobox",
		2799	title => "Map Info",
		2800	reply => undef,
		2801	tooltip => "Information related to the maps",
		2802	},
		2803	"c/party" => {
		2804	id => "party",
		2805	title => "Party",
		2806	reply => "gsay ",
		2807	tooltip => "Messages and chat related to your party",
		2808	},
		2809	);
		2810
		2811	sub cf::client::send_msg {
		2812	my ($self, $channel, $msg, $color, @extra) = @_;
		2813
		2814	$msg = $self->pl->expand_cfpod ($msg)
		2815	unless $color & cf::NDI_VERBATIM;
		2816
		2817	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2818
		2819	# check predefined channels, for the benefit of C
		2820	if ($CHANNEL{$channel}) {
		2821	$channel = $CHANNEL{$channel};
		2822
		2823	$self->ext_msg (channel_info => $channel)
		2824	if $self->can_msg;
		2825
		2826	$channel = $channel->{id};
		2827
		2828	} elsif (ref $channel) {
		2829	# send meta info to client, if not yet sent
		2830	unless (exists $self->{channel}{$channel->{id}}) {
		2831	$self->{channel}{$channel->{id}} = $channel;
		2832	$self->ext_msg (channel_info => $channel)
		2833	if $self->can_msg;
		2834	}
		2835
		2836	$channel = $channel->{id};
		2837	}
		2838
		2839	return unless @extra || length $msg;
		2840
		2841	if ($self->can_msg) {
		2842	# default colour, mask it out
		2843	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2844	if $color & cf::NDI_DEF;
		2845
		2846	my $pkt = "msg "
		2847	. $self->{json_coder}->encode (
		2848	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2849	);
		2850
		2851	# try lzf for large packets
		2852	$pkt = "lzf " . Compress::LZF::compress $pkt
		2853	if 1024 <= length $pkt and $self->{can_lzf};
		2854
		2855	# split very large packets
		2856	if (8192 < length $pkt and $self->{can_lzf}) {
		2857	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2858	$pkt = "frag";
		2859	}
		2860
		2861	$self->send_packet ($pkt);
		2862	} else {
		2863	if ($color >= 0) {
		2864	# replace some tags by gcfclient-compatible ones
		2865	for ($msg) {
		2866	1 while
		2867	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2868	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2869	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2870	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2871	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2872	}
		2873
		2874	$color &= cf::NDI_COLOR_MASK;
		2875
		2876	utf8::encode $msg;
		2877
		2878	if (0 && $msg =~ /\[/) {
		2879	# COMMAND/INFO
		2880	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2881	} else {
		2882	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2883	$self->send_packet ("drawinfo $color $msg")
		2884	}
		2885	}
		2886	}
		2887	}
		2888
		2889	=item $client->ext_msg ($type, @msg)
		2890
		2891	Sends an ext event to the client.
		2892
		2893	=cut
		2894
		2895	sub cf::client::ext_msg($$@) {
		2896	my ($self, $type, @msg) = @_;
		2897
		2898	if ($self->extcmd == 2) {
		2899	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2900	} elsif ($self->extcmd == 1) { # TODO: remove
		2901	push @msg, msgtype => "event_$type";
		2902	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2903	}
		2904	}
		2905
		2906	=item $client->ext_reply ($msgid, @msg)
		2907
		2908	Sends an ext reply to the client.
		2909
		2910	=cut
		2911
		2912	sub cf::client::ext_reply($$@) {
		2913	my ($self, $id, @msg) = @_;
		2914
		2915	if ($self->extcmd == 2) {
		2916	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2917	} elsif ($self->extcmd == 1) {
		2918	#TODO: version 1, remove
		2919	unshift @msg, msgtype => "reply", msgid => $id;
		2920	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2921	}
		2922	}
1992		2923
1993	=item $success = $client->query ($flags, "text", \&cb)	2924	=item $success = $client->query ($flags, "text", \&cb)
1994		2925
1995	Queues a query to the client, calling the given callback with	2926	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>,	2927	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>.	2928	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1998		2929
1999	Queries can fail, so check the return code. Or don't, as queries will become	2930	Queries can fail, so check the return code. Or don't, as queries will
2000	reliable at some point in the future.	2931	become reliable at some point in the future.
2001		2932
2002	=cut	2933	=cut
2003		2934
2004	sub cf::client::query {	2935	sub cf::client::query {
2005	my ($self, $flags, $text, $cb) = @_;	2936	my ($self, $flags, $text, $cb) = @_;
…		…
2013	utf8::encode $text;	2944	utf8::encode $text;
2014	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2945	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2015		2946
2016	$self->send_packet ($self->{query_queue}[0][0])	2947	$self->send_packet ($self->{query_queue}[0][0])
2017	if @{ $self->{query_queue} } == 1;	2948	if @{ $self->{query_queue} } == 1;
		2949
		2950	1
2018	}	2951	}
2019		2952
2020	cf::client->attach (	2953	cf::client->attach (
		2954	on_connect => sub {
		2955	my ($ns) = @_;
		2956
		2957	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2958	},
2021	on_reply => sub {	2959	on_reply => sub {
2022	my ($ns, $msg) = @_;	2960	my ($ns, $msg) = @_;
2023		2961
2024	# this weird shuffling is so that direct followup queries	2962	# this weird shuffling is so that direct followup queries
2025	# get handled first	2963	# get handled first
…		…
2037	} else {	2975	} else {
2038	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2976	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2039	}	2977	}
2040	}	2978	}
2041	},	2979	},
		2980	on_exticmd => sub {
		2981	my ($ns, $buf) = @_;
		2982
		2983	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2984
		2985	if (ref $msg) {
		2986	my ($type, $reply, @payload) =
		2987	"ARRAY" eq ref $msg
		2988	? @$msg
		2989	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2990
		2991	my @reply;
		2992
		2993	if (my $cb = $EXTICMD{$type}) {
		2994	@reply = $cb->($ns, @payload);
		2995	}
		2996
		2997	$ns->ext_reply ($reply, @reply)
		2998	if $reply;
		2999
		3000	} else {
		3001	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3002	}
		3003
		3004	cf::override;
		3005	},
2042	);	3006	);
2043		3007
2044	=item $client->async (\&cb)	3008	=item $client->async (\&cb)
2045		3009
2046	Create a new coroutine, running the specified callback. The coroutine will	3010	Create a new coroutine, running the specified callback. The coroutine will
…		…
2087	our $safe = new Safe "safe";	3051	our $safe = new Safe "safe";
2088	our $safe_hole = new Safe::Hole;	3052	our $safe_hole = new Safe::Hole;
2089		3053
2090	$SIG{FPE} = 'IGNORE';	3054	$SIG{FPE} = 'IGNORE';
2091		3055
2092	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3056	$safe->permit_only (Opcode::opset qw(
		3057	:base_core :base_mem :base_orig :base_math
		3058	grepstart grepwhile mapstart mapwhile
		3059	sort time
		3060	));
2093		3061
2094	# here we export the classes and methods available to script code	3062	# here we export the classes and methods available to script code
2095		3063
2096	=pod	3064	=pod
2097		3065
2098	The following fucntions and emthods are available within a safe environment:	3066	The following functions and methods are available within a safe environment:
2099		3067
2100	cf::object contr pay_amount pay_player map	3068	cf::object
		3069	contr pay_amount pay_player map x y force_find force_add destroy
		3070	insert remove name archname title slaying race decrease split
		3071
2101	cf::object::player player	3072	cf::object::player
2102	cf::player peaceful	3073	player
2103	cf::map trigger	3074
		3075	cf::player
		3076	peaceful
		3077
		3078	cf::map
		3079	trigger
2104		3080
2105	=cut	3081	=cut
2106		3082
2107	for (	3083	for (
2108	["cf::object" => qw(contr pay_amount pay_player map)],	3084	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3085	insert remove inv nrof name archname title slaying race
		3086	decrease split destroy change_exp)],
2109	["cf::object::player" => qw(player)],	3087	["cf::object::player" => qw(player)],
2110	["cf::player" => qw(peaceful)],	3088	["cf::player" => qw(peaceful)],
2111	["cf::map" => qw(trigger)],	3089	["cf::map" => qw(trigger)],
2112	) {	3090	) {
2113	no strict 'refs';	3091	no strict 'refs';
…		…
2184	=back	3162	=back
2185		3163
2186	=cut	3164	=cut
2187		3165
2188	#############################################################################	3166	#############################################################################
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 $_[2], 0, sub { };
2258	}
2259
2260	#############################################################################
2261	# the server's init and main functions	3167	# the server's init and main functions
2262		3168
		3169	sub load_facedata($) {
		3170	my ($path) = @_;
		3171
		3172	# HACK to clear player env face cache, we need some signal framework
		3173	# for this (global event?)
		3174	%ext::player_env::MUSIC_FACE_CACHE = ();
		3175
		3176	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3177
		3178	warn "loading facedata from $path\n";
		3179
		3180	my $facedata;
		3181	0 < aio_load $path, $facedata
		3182	or die "$path: $!";
		3183
		3184	$facedata = Coro::Storable::thaw $facedata;
		3185
		3186	$facedata->{version} == 2
		3187	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3188
		3189	# patch in the exptable
		3190	$facedata->{resource}{"res/exp_table"} = {
		3191	type => FT_RSRC,
		3192	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3193	};
		3194	cf::cede_to_tick;
		3195
		3196	{
		3197	my $faces = $facedata->{faceinfo};
		3198
		3199	while (my ($face, $info) = each %$faces) {
		3200	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3201
		3202	cf::face::set_visibility $idx, $info->{visibility};
		3203	cf::face::set_magicmap $idx, $info->{magicmap};
		3204	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3205	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3206
		3207	cf::cede_to_tick;
		3208	}
		3209
		3210	while (my ($face, $info) = each %$faces) {
		3211	next unless $info->{smooth};
		3212
		3213	my $idx = cf::face::find $face
		3214	or next;
		3215
		3216	if (my $smooth = cf::face::find $info->{smooth}) {
		3217	cf::face::set_smooth $idx, $smooth;
		3218	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3219	} else {
		3220	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3221	}
		3222
		3223	cf::cede_to_tick;
		3224	}
		3225	}
		3226
		3227	{
		3228	my $anims = $facedata->{animinfo};
		3229
		3230	while (my ($anim, $info) = each %$anims) {
		3231	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3232	cf::cede_to_tick;
		3233	}
		3234
		3235	cf::anim::invalidate_all; # d'oh
		3236	}
		3237
		3238	{
		3239	# TODO: for gcfclient pleasure, we should give resources
		3240	# that gcfclient doesn't grok a >10000 face index.
		3241	my $res = $facedata->{resource};
		3242
		3243	while (my ($name, $info) = each %$res) {
		3244	if (defined $info->{type}) {
		3245	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3246	my $data;
		3247
		3248	if ($info->{type} & 1) {
		3249	# prepend meta info
		3250
		3251	my $meta = $enc->encode ({
		3252	name => $name,
		3253	%{ $info->{meta} || {} },
		3254	});
		3255
		3256	$data = pack "(w/a*)*", $meta, $info->{data};
		3257	} else {
		3258	$data = $info->{data};
		3259	}
		3260
		3261	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3262	cf::face::set_type $idx, $info->{type};
		3263	} else {
		3264	$RESOURCE{$name} = $info;
		3265	}
		3266
		3267	cf::cede_to_tick;
		3268	}
		3269	}
		3270
		3271	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3272
		3273	1
		3274	}
		3275
		3276	cf::global->attach (on_resource_update => sub {
		3277	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3278	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3279
		3280	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3281	my $sound = $soundconf->{compat}[$_]
		3282	or next;
		3283
		3284	my $face = cf::face::find "sound/$sound->[1]";
		3285	cf::sound::set $sound->[0] => $face;
		3286	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3287	}
		3288
		3289	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3290	my $face = cf::face::find "sound/$v";
		3291	cf::sound::set $k => $face;
		3292	}
		3293	}
		3294	});
		3295
		3296	register_exticmd fx_want => sub {
		3297	my ($ns, $want) = @_;
		3298
		3299	while (my ($k, $v) = each %$want) {
		3300	$ns->fx_want ($k, $v);
		3301	}
		3302	};
		3303
2263	sub load_resources {	3304	sub load_resource_file($) {
2264	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3305	my $guard = lock_acquire "load_resource_file";
		3306
		3307	my $status = load_resource_file_ $_[0];
		3308	get_slot 0.1, 100;
		3309	cf::arch::commit_load;
		3310
		3311	$status
		3312	}
		3313
		3314	sub reload_regions {
		3315	# HACK to clear player env face cache, we need some signal framework
		3316	# for this (global event?)
		3317	%ext::player_env::MUSIC_FACE_CACHE = ();
		3318
		3319	load_resource_file "$MAPDIR/regions"
2265	or die "unable to load regions file\n";#d#	3320	or die "unable to load regions file\n";
2266	}
2267		3321
2268	sub cfg_load {	3322	for (cf::region::list) {
		3323	$_->{match} = qr/$_->{match}/
		3324	if exists $_->{match};
		3325	}
		3326	}
		3327
		3328	sub reload_facedata {
		3329	load_facedata "$DATADIR/facedata"
		3330	or die "unable to load facedata\n";
		3331	}
		3332
		3333	sub reload_archetypes {
		3334	load_resource_file "$DATADIR/archetypes"
		3335	or die "unable to load archetypes\n";
		3336	}
		3337
		3338	sub reload_treasures {
		3339	load_resource_file "$DATADIR/treasures"
		3340	or die "unable to load treasurelists\n";
		3341	}
		3342
		3343	sub reload_resources {
		3344	warn "reloading resource files...\n";
		3345
		3346	reload_facedata;
		3347	reload_archetypes;
		3348	reload_regions;
		3349	reload_treasures;
		3350
		3351	warn "finished reloading resource files\n";
		3352	}
		3353
		3354	sub reload_config {
2269	open my $fh, "<:utf8", cf::confdir . "/config"	3355	open my $fh, "<:utf8", "$CONFDIR/config"
2270	or return;	3356	or return;
2271		3357
2272	local $/;	3358	local $/;
2273	*CFG = YAML::Syck::Load <$fh>;	3359	*CFG = YAML::Load <$fh>;
2274		3360
2275	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3361	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2276		3362
2277	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3363	$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};	3364	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2284	};	3370	};
2285	warn $@ if $@;	3371	warn $@ if $@;
2286	}	3372	}
2287	}	3373	}
2288		3374
2289	sub init {	3375	sub pidfile() {
2290	load_resources;	3376	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3377	or die "$PIDFILE: $!";
		3378	flock $fh, &Fcntl::LOCK_EX
		3379	or die "$PIDFILE: flock: $!";
		3380	$fh
		3381	}
		3382
		3383	# make sure only one server instance is running at any one time
		3384	sub atomic {
		3385	my $fh = pidfile;
		3386
		3387	my $pid = <$fh>;
		3388	kill 9, $pid if $pid > 0;
		3389
		3390	seek $fh, 0, 0;
		3391	print $fh $$;
2291	}	3392	}
2292		3393
2293	sub main {	3394	sub main {
		3395	cf::init_globals; # initialise logging
		3396
		3397	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3398	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3399	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3400	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3401
		3402	cf::init_experience;
		3403	cf::init_anim;
		3404	cf::init_attackmess;
		3405	cf::init_dynamic;
		3406	cf::init_block;
		3407
		3408	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3409
2294	# we must not ever block the main coroutine	3410	# we must not ever block the main coroutine
2295	local $Coro::idle = sub {	3411	local $Coro::idle = sub {
2296	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3412	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2297	(async {	3413	(async {
2298	Event::one_event;	3414	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3415	EV::loop EV::LOOP_ONESHOT;
2299	})->prio (Coro::PRIO_MAX);	3416	})->prio (Coro::PRIO_MAX);
2300	};	3417	};
2301		3418
2302	cfg_load;	3419	evthread_start IO::AIO::poll_fileno;
		3420
		3421	cf::sync_job {
		3422	reload_resources;
		3423	reload_config;
2303	db_init;	3424	db_init;
		3425
		3426	cf::load_settings;
		3427	cf::load_materials;
		3428	cf::init_uuid;
		3429	cf::init_signals;
		3430	cf::init_commands;
		3431	cf::init_skills;
		3432
		3433	cf::init_beforeplay;
		3434
		3435	atomic;
		3436
2304	load_extensions;	3437	load_extensions;
2305		3438
2306	$TICK_WATCHER->start;	3439	utime time, time, $RUNTIMEFILE;
		3440
		3441	# no (long-running) fork's whatsoever before this point(!)
		3442	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3443
		3444	(pop @POST_INIT)->(0) while @POST_INIT;
		3445	};
		3446
2307	Event::loop;	3447	EV::loop;
2308	}	3448	}
2309		3449
2310	#############################################################################	3450	#############################################################################
2311	# initialisation and cleanup	3451	# initialisation and cleanup
2312		3452
2313	# install some emergency cleanup handlers	3453	# install some emergency cleanup handlers
2314	BEGIN {	3454	BEGIN {
		3455	our %SIGWATCHER = ();
2315	for my $signal (qw(INT HUP TERM)) {	3456	for my $signal (qw(INT HUP TERM)) {
2316	Event->signal (	3457	$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";	3458	cf::cleanup "SIG$signal";
2323	},
2324	);	3459	};
		3460	}
		3461	}
		3462
		3463	sub write_runtime_sync {
		3464	# first touch the runtime file to show we are still running:
		3465	# the fsync below can take a very very long time.
		3466
		3467	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3468
		3469	my $guard = cf::lock_acquire "write_runtime";
		3470
		3471	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3472	or return;
		3473
		3474	my $value = $cf::RUNTIME + 90 + 10;
		3475	# 10 is the runtime save interval, for a monotonic clock
		3476	# 60 allows for the watchdog to kill the server.
		3477
		3478	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3479	and return;
		3480
		3481	# always fsync - this file is important
		3482	aio_fsync $fh
		3483	and return;
		3484
		3485	# touch it again to show we are up-to-date
		3486	aio_utime $fh, undef, undef;
		3487
		3488	close $fh
		3489	or return;
		3490
		3491	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3492	and return;
		3493
		3494	warn "runtime file written.\n";
		3495
2325	}	3496	1
		3497	}
		3498
		3499	our $uuid_lock;
		3500	our $uuid_skip;
		3501
		3502	sub write_uuid_sync($) {
		3503	$uuid_skip ||= $_[0];
		3504
		3505	return if $uuid_lock;
		3506	local $uuid_lock = 1;
		3507
		3508	my $uuid = "$LOCALDIR/uuid";
		3509
		3510	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3511	or return;
		3512
		3513	my $value = uuid_seq uuid_cur;
		3514
		3515	unless ($value) {
		3516	warn "cowardly refusing to write zero uuid value!\n";
		3517	return;
		3518	}
		3519
		3520	my $value = uuid_str $value + $uuid_skip;
		3521	$uuid_skip = 0;
		3522
		3523	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3524	and return;
		3525
		3526	# always fsync - this file is important
		3527	aio_fsync $fh
		3528	and return;
		3529
		3530	close $fh
		3531	or return;
		3532
		3533	aio_rename "$uuid~", $uuid
		3534	and return;
		3535
		3536	warn "uuid file written ($value).\n";
		3537
		3538	1
		3539
		3540	}
		3541
		3542	sub write_uuid($$) {
		3543	my ($skip, $sync) = @_;
		3544
		3545	$sync ? write_uuid_sync $skip
		3546	: async { write_uuid_sync $skip };
2326	}	3547	}
2327		3548
2328	sub emergency_save() {	3549	sub emergency_save() {
2329	my $freeze_guard = cf::freeze_mainloop;	3550	my $freeze_guard = cf::freeze_mainloop;
2330		3551
2331	warn "enter emergency perl save\n";	3552	warn "emergency_perl_save: enter\n";
2332		3553
2333	cf::sync_job {	3554	cf::sync_job {
		3555	# this is a trade-off: we want to be very quick here, so
		3556	# save all maps without fsync, and later call a global sync
		3557	# (which in turn might be very very slow)
		3558	local $USE_FSYNC = 0;
		3559
2334	# use a peculiar iteration method to avoid tripping on perl	3560	# use a peculiar iteration method to avoid tripping on perl
2335	# refcount bugs in for. also avoids problems with players	3561	# refcount bugs in for. also avoids problems with players
2336	# and maps saved/destroyed asynchronously.	3562	# and maps saved/destroyed asynchronously.
2337	warn "begin emergency player save\n";	3563	warn "emergency_perl_save: begin player save\n";
2338	for my $login (keys %cf::PLAYER) {	3564	for my $login (keys %cf::PLAYER) {
2339	my $pl = $cf::PLAYER{$login} or next;	3565	my $pl = $cf::PLAYER{$login} or next;
2340	$pl->valid or next;	3566	$pl->valid or next;
		3567	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2341	$pl->save;	3568	$pl->save;
2342	}	3569	}
2343	warn "end emergency player save\n";	3570	warn "emergency_perl_save: end player save\n";
2344		3571
2345	warn "begin emergency map save\n";	3572	warn "emergency_perl_save: begin map save\n";
2346	for my $path (keys %cf::MAP) {	3573	for my $path (keys %cf::MAP) {
2347	my $map = $cf::MAP{$path} or next;	3574	my $map = $cf::MAP{$path} or next;
2348	$map->valid or next;	3575	$map->valid or next;
2349	$map->save;	3576	$map->save;
2350	}	3577	}
2351	warn "end emergency map save\n";	3578	warn "emergency_perl_save: end map save\n";
2352		3579
2353	warn "begin emergency database checkpoint\n";	3580	warn "emergency_perl_save: begin database checkpoint\n";
2354	BDB::db_env_txn_checkpoint $DB_ENV;	3581	BDB::db_env_txn_checkpoint $DB_ENV;
2355	warn "end emergency database checkpoint\n";	3582	warn "emergency_perl_save: end database checkpoint\n";
		3583
		3584	warn "emergency_perl_save: begin write uuid\n";
		3585	write_uuid_sync 1;
		3586	warn "emergency_perl_save: end write uuid\n";
2356	};	3587	};
2357		3588
		3589	warn "emergency_perl_save: starting sync()\n";
		3590	IO::AIO::aio_sync sub {
		3591	warn "emergency_perl_save: finished sync()\n";
		3592	};
		3593
2358	warn "leave emergency perl save\n";	3594	warn "emergency_perl_save: leave\n";
2359	}	3595	}
2360		3596
2361	sub post_cleanup {	3597	sub post_cleanup {
2362	my ($make_core) = @_;	3598	my ($make_core) = @_;
2363		3599
2364	warn Carp::longmess "post_cleanup backtrace"	3600	warn Carp::longmess "post_cleanup backtrace"
2365	if $make_core;	3601	if $make_core;
2366	}
2367		3602
		3603	my $fh = pidfile;
		3604	unlink $PIDFILE if <$fh> == $$;
		3605	}
		3606
		3607	# a safer delete_package, copied from Symbol
		3608	sub clear_package($) {
		3609	my $pkg = shift;
		3610
		3611	# expand to full symbol table name if needed
		3612	unless ($pkg =~ /^main::.*::$/) {
		3613	$pkg = "main$pkg" if $pkg =~ /^::/;
		3614	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3615	$pkg .= '::' unless $pkg =~ /::$/;
		3616	}
		3617
		3618	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3619	my $stem_symtab = *{$stem}{HASH};
		3620
		3621	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3622	or return;
		3623
		3624	# clear all symbols
		3625	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3626	for my $name (keys %$leaf_symtab) {
		3627	_gv_clear *{"$pkg$name"};
		3628	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3629	}
		3630	warn "cleared package $pkg\n";#d#
		3631	}
		3632
2368	sub reload() {	3633	sub do_reload_perl() {
2369	# can/must only be called in main	3634	# can/must only be called in main
2370	if ($Coro::current != $Coro::main) {	3635	if ($Coro::current != $Coro::main) {
2371	warn "can only reload from main coroutine";	3636	warn "can only reload from main coroutine";
2372	return;	3637	return;
2373	}	3638	}
2374		3639
		3640	return if $RELOAD++;
		3641
		3642	my $t1 = EV::time;
		3643
		3644	while ($RELOAD) {
2375	warn "reloading...";	3645	warn "reloading...";
2376		3646
2377	warn "cancelling server ticker";	3647	warn "entering sync_job";
2378	$TICK_WATCHER->cancel;
2379		3648
		3649	cf::sync_job {
		3650	cf::write_runtime_sync; # external watchdog should not bark
2380	cf::emergency_save;	3651	cf::emergency_save;
		3652	cf::write_runtime_sync; # external watchdog should not bark
2381		3653
2382	eval {	3654	warn "syncing database to disk";
		3655	BDB::db_env_txn_checkpoint $DB_ENV;
		3656
2383	# if anything goes wrong in here, we should simply crash as we already saved	3657	# if anything goes wrong in here, we should simply crash as we already saved
2384		3658
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";	3659	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;	3660	while (IO::AIO::nreqs || BDB::nreqs) {
2399	warn "iterate...";	3661	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	}	3662	}
2422		3663
2423	warn "... nuking $pkg";	3664	warn "cancelling all extension coros";
2424	Symbol::delete_package $pkg;	3665	$_->cancel for values %EXT_CORO;
2425	}	3666	%EXT_CORO = ();
2426		3667
2427	warn "unloading all perl modules loaded from $LIBDIR";	3668	warn "removing commands";
2428	while (my ($k, $v) = each %INC) {	3669	%COMMAND = ();
2429	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2430		3670
		3671	warn "removing ext/exti commands";
		3672	%EXTCMD = ();
		3673	%EXTICMD = ();
		3674
		3675	warn "unloading/nuking all extensions";
		3676	for my $pkg (@EXTS) {
2431	warn "... unloading $k";	3677	warn "... unloading $pkg";
2432	delete $INC{$k};
2433		3678
2434	$k =~ s/\.pm$//;
2435	$k =~ s/\//::/g;
2436
2437	if (my $cb = $k->can ("unload_module")) {	3679	if (my $cb = $pkg->can ("unload")) {
		3680	eval {
2438	$cb->();	3681	$cb->($pkg);
		3682	1
		3683	} or warn "$pkg unloaded, but with errors: $@";
		3684	}
		3685
		3686	warn "... clearing $pkg";
		3687	clear_package $pkg;
2439	}	3688	}
2440		3689
2441	Symbol::delete_package $k;	3690	warn "unloading all perl modules loaded from $LIBDIR";
		3691	while (my ($k, $v) = each %INC) {
		3692	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3693
		3694	warn "... unloading $k";
		3695	delete $INC{$k};
		3696
		3697	$k =~ s/\.pm$//;
		3698	$k =~ s/\//::/g;
		3699
		3700	if (my $cb = $k->can ("unload_module")) {
		3701	$cb->();
		3702	}
		3703
		3704	clear_package $k;
2442	}	3705	}
2443		3706
2444	warn "getting rid of safe::, as good as possible";	3707	warn "getting rid of safe::, as good as possible";
2445	Symbol::delete_package "safe::$_"	3708	clear_package "safe::$_"
2446	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3709	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2447		3710
2448	warn "unloading cf.pm \"a bit\"";	3711	warn "unloading cf.pm \"a bit\"";
2449	delete $INC{"cf.pm"};	3712	delete $INC{"cf.pm"};
		3713	delete $INC{"cf/pod.pm"};
2450		3714
2451	# don't, removes xs symbols, too,	3715	# don't, removes xs symbols, too,
2452	# and global variables created in xs	3716	# and global variables created in xs
2453	#Symbol::delete_package __PACKAGE__;	3717	#clear_package __PACKAGE__;
2454		3718
2455	warn "unload completed, starting to reload now";	3719	warn "unload completed, starting to reload now";
2456		3720
2457	warn "reloading cf.pm";	3721	warn "reloading cf.pm";
2458	require cf;	3722	require cf;
2459	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3723	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2460		3724
2461	warn "loading config and database again";	3725	warn "loading config and database again";
2462	cf::cfg_load;	3726	cf::reload_config;
2463		3727
2464	warn "loading extensions";	3728	warn "loading extensions";
2465	cf::load_extensions;	3729	cf::load_extensions;
2466		3730
		3731	if ($REATTACH_ON_RELOAD) {
2467	warn "reattaching attachments to objects/players";	3732	warn "reattaching attachments to objects/players";
2468	_global_reattach;	3733	_global_reattach; # objects, sockets
2469	warn "reattaching attachments to maps";	3734	warn "reattaching attachments to maps";
2470	reattach $_ for values %MAP;	3735	reattach $_ for values %MAP;
		3736	warn "reattaching attachments to players";
		3737	reattach $_ for values %PLAYER;
		3738	}
2471		3739
2472	warn "loading reloadable resources";	3740	warn "running post_init jobs";
2473	load_resources;	3741	(pop @POST_INIT)->(1) while @POST_INIT;
2474		3742
2475	warn "restarting server ticker";	3743	warn "leaving sync_job";
2476		3744
2477	$TICK_WATCHER->start;	3745	1
		3746	} or do {
		3747	warn $@;
		3748	cf::cleanup "error while reloading, exiting.";
		3749	};
		3750
		3751	warn "reloaded";
		3752	--$RELOAD;
		3753	}
		3754
		3755	$t1 = EV::time - $t1;
		3756	warn "reload completed in ${t1}s\n";
		3757	};
		3758
		3759	our $RELOAD_WATCHER; # used only during reload
		3760
		3761	sub reload_perl() {
		3762	# doing reload synchronously and two reloads happen back-to-back,
		3763	# coro crashes during coro_state_free->destroy here.
		3764
		3765	$RELOAD_WATCHER ||= cf::async {
		3766	Coro::AIO::aio_wait cache_extensions;
		3767
		3768	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3769	do_reload_perl;
		3770	undef $RELOAD_WATCHER;
		3771	};
2478	};	3772	};
2479		3773	}
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		3774
2491	register_command "reload" => sub {	3775	register_command "reload" => sub {
2492	my ($who, $arg) = @_;	3776	my ($who, $arg) = @_;
2493		3777
2494	if ($who->flag (FLAG_WIZ)) {	3778	if ($who->flag (FLAG_WIZ)) {
2495	$who->message ("reloading server.");	3779	$who->message ("reloading server.");
2496		3780	async {
2497	# doing reload synchronously and two reloads happen back-to-back,	3781	$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;	3782	reload_perl;
2506	undef $RELOAD_WATCHER;
2507	},
2508	);	3783	};
2509	}	3784	}
2510	};	3785	};
2511		3786
2512	unshift @INC, $LIBDIR;	3787	unshift @INC, $LIBDIR;
2513		3788
2514	my $bug_warning = 0;	3789	my $bug_warning = 0;
2515		3790
2516	$TICK_WATCHER = Event->timer (	3791	our @WAIT_FOR_TICK;
2517	reentrant => 0,	3792	our @WAIT_FOR_TICK_BEGIN;
2518	parked => 1,	3793
2519	prio => 0,	3794	sub wait_for_tick {
2520	at => $NEXT_TICK || $TICK,	3795	return if tick_inhibit || $Coro::current == $Coro::main;
2521	data => WF_AUTOCANCEL,	3796
2522	cb => sub {	3797	my $signal = new Coro::Signal;
		3798	push @WAIT_FOR_TICK, $signal;
		3799	$signal->wait;
		3800	}
		3801
		3802	sub wait_for_tick_begin {
		3803	return if tick_inhibit || $Coro::current == $Coro::main;
		3804
		3805	my $signal = new Coro::Signal;
		3806	push @WAIT_FOR_TICK_BEGIN, $signal;
		3807	$signal->wait;
		3808	}
		3809
		3810	sub tick {
2523	if ($Coro::current != $Coro::main) {	3811	if ($Coro::current != $Coro::main) {
2524	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3812	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2525	unless ++$bug_warning > 10;	3813	unless ++$bug_warning > 10;
2526	return;	3814	return;
2527	}	3815	}
2528		3816
2529	$NOW = Event::time;
2530
2531	cf::server_tick; # one server iteration	3817	cf::server_tick; # one server iteration
2532	$RUNTIME += $TICK;
2533	$NEXT_TICK += $TICK;
2534		3818
2535	$WAIT_FOR_TICK->broadcast;	3819	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2536	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3820	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		3821	Coro::async_pool {
		3822	$Coro::current->{desc} = "runtime saver";
		3823	write_runtime_sync
		3824	or warn "ERROR: unable to write runtime file: $!";
		3825	};
		3826	}
2537		3827
2538	Event::sweep;	3828	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2539	Coro::cede_notself;	3829	$sig->send;
		3830	}
		3831	while (my $sig = shift @WAIT_FOR_TICK) {
		3832	$sig->send;
		3833	}
		3834
		3835	$LOAD = ($NOW - $TICK_START) / $TICK;
		3836	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3837
		3838	if (0) {
		3839	if ($NEXT_TICK) {
		3840	my $jitter = $TICK_START - $NEXT_TICK;
		3841	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3842	warn "jitter $JITTER\n";#d#
2540		3843	}
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	},	3844	}
2550	);	3845	}
2551		3846
2552	{	3847	{
2553	BDB::max_poll_time $TICK * 0.1;	3848	# configure BDB
2554	$BDB_POLL_WATCHER = Event->io (	3849
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;	3850	BDB::min_parallel 8;
2563		3851	BDB::max_poll_reqs $TICK * 0.1;
2564	BDB::set_sync_prepare {	3852	$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		3853
2579	unless ($DB_ENV) {	3854	unless ($DB_ENV) {
2580	$DB_ENV = BDB::db_env_create;	3855	$DB_ENV = BDB::db_env_create;
		3856	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3857	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3858	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3859	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3860	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2581		3861
2582	cf::sync_job {	3862	cf::sync_job {
2583	eval {	3863	eval {
2584	BDB::db_env_open	3864	BDB::db_env_open
2585	$DB_ENV,	3865	$DB_ENV,
2586	$BDB_ENV_DIR,	3866	$BDBDIR,
2587	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3867	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2588	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3868	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2589	0666;	3869	0666;
2590		3870
2591	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3871	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	};	3872	};
2596		3873
2597	cf::cleanup "db_env_open(db): $@" if $@;	3874	cf::cleanup "db_env_open(db): $@" if $@;
2598	};	3875	};
2599	}	3876	}
		3877
		3878	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3879	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3880	};
		3881	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3882	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3883	};
		3884	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3885	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3886	};
2600	}	3887	}
2601		3888
2602	{	3889	{
		3890	# configure IO::AIO
		3891
2603	IO::AIO::min_parallel 8;	3892	IO::AIO::min_parallel 8;
2604
2605	undef $Coro::AIO::WATCHER;
2606	IO::AIO::max_poll_time $TICK * 0.1;	3893	IO::AIO::max_poll_time $TICK * 0.1;
2607	$AIO_POLL_WATCHER = Event->io (	3894	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	}	3895	}
2616		3896
2617	$WRITE_RUNTIME_WATCHER = Event->timer (	3897	my $_log_backtrace;
2618	reentrant => 0,	3898
2619	data => WF_AUTOCANCEL,	3899	sub _log_backtrace {
2620	after => 1,	3900	my ($msg, @addr) = @_;
2621	interval => 10,	3901
2622	prio => 6, # keep it lowest so it acts like a watchdog	3902	$msg =~ s/\n//;
2623	cb => Coro::unblock_sub {	3903
2624	write_runtime	3904	# limit the # of concurrent backtraces
2625	or warn "ERROR: unable to write runtime file: $!";	3905	if ($_log_backtrace < 2) {
		3906	++$_log_backtrace;
		3907	my $perl_bt = Carp::longmess $msg;
		3908	async {
		3909	$Coro::current->{desc} = "abt $msg";
		3910
		3911	my @bt = fork_call {
		3912	@addr = map { sprintf "%x", $_ } @addr;
		3913	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3914	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3915	or die "addr2line: $!";
		3916
		3917	my @funcs;
		3918	my @res = <$fh>;
		3919	chomp for @res;
		3920	while (@res) {
		3921	my ($func, $line) = splice @res, 0, 2, ();
		3922	push @funcs, "[$func] $line";
		3923	}
		3924
		3925	@funcs
		3926	};
		3927
		3928	LOG llevInfo, "[ABT] $perl_bt\n";
		3929	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3930	LOG llevInfo, "[ABT] $_\n" for @bt;
		3931	--$_log_backtrace;
		3932	};
		3933	} else {
		3934	LOG llevInfo, "[ABT] $msg\n";
		3935	LOG llevInfo, "[ABT] [suppressed]\n";
2626	},	3936	}
2627	);	3937	}
		3938
		3939	# load additional modules
		3940	use cf::pod;
2628		3941
2629	END { cf::emergency_save }	3942	END { cf::emergency_save }
2630		3943
2631	1	3944	1
2632		3945

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