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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.199 by root, Mon Jan 29 14:46:01 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 ();
		54	use BDB ();
20	use Data::Dumper;	55	use Data::Dumper;
21	use Digest::MD5;	56	use Digest::MD5;
22	use Fcntl;	57	use Fcntl;
		58	use YAML ();
23	use IO::AIO 2.32 ();	59	use IO::AIO ();
24	use YAML::Syck ();
25	use Time::HiRes;	60	use Time::HiRes;
		61	use Compress::LZF;
		62	use Digest::MD5 ();
26		63
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	64	AnyEvent::detect;
		65
		66	# configure various modules to our taste
		67	#
		68	$Storable::canonical = 1; # reduce rsync transfers
		69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
28		76
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		78
36	our %COMMAND = ();	79	our %COMMAND = ();
37	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
38		81
39	our @EXTS = (); # list of extension package names	82	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	83	our %EXTCMD = ();
		84	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	85	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	86	our %EXT_MAP = (); # pluggable maps
43		87
		88	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	89	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		90
47	our $TICK = MAX_TIME * 1e-6;	91	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	92	our $DATADIR = datadir;
49	our $AIO_POLL_WATCHER;	93	our $LIBDIR = "$DATADIR/ext";
50	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
51	our $NEXT_TICK;	109	our $NEXT_TICK;
52	our $NOW;	110	our $USE_FSYNC = 1; # use fsync to write maps - default off
		111
		112	our $BDB_DEADLOCK_WATCHER;
		113	our $BDB_CHECKPOINT_WATCHER;
		114	our $BDB_TRICKLE_WATCHER;
		115	our $DB_ENV;
53		116
54	our %CFG;	117	our %CFG;
55		118
56	our $UPTIME; $UPTIME ||= time;	119	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	120	our $RUNTIME;
		121	our $NOW;
58		122
59	our %PLAYER; # all users	123	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	124	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	125	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		126
67	# 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 ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	128	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		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 $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
		138
70	binmode STDOUT;	139	binmode STDOUT;
71	binmode STDERR;	140	binmode STDERR;
72		141
73	# read virtual server time, if available	142	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	143	unless ($RUNTIME || !-e $RUNTIMEFILE) {
75	open my $fh, "<", cf::localdir . "/runtime"	144	open my $fh, "<", $RUNTIMEFILE
76	or die "unable to read runtime file: $!";	145	or die "unable to read $RUNTIMEFILE file: $!";
77	$RUNTIME = <$fh> + 0.;	146	$RUNTIME = <$fh> + 0.;
78	}	147	}
79		148
80	mkdir cf::localdir;	149	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	150	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		151
86	our $EMERGENCY_POSITION;	152	our $EMERGENCY_POSITION;
87		153
88	sub cf::map::normalise;	154	sub cf::map::normalise;
89		155
…		…
100	=item $cf::RUNTIME	166	=item $cf::RUNTIME
101		167
102	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
103	every server tick.	169	every server tick.
104		170
105	=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
106		174
107	The perl library directory, where extensions and cf-specific modules can	175	Various directories - "/etc", read-only install directory, perl-library
108	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.
109		179
110	=item $cf::NOW	180	=item $cf::NOW
111		181
112	The time of the last (current) server tick.	182	The time of the last (current) server tick.
113		183
114	=item $cf::TICK	184	=item $cf::TICK
115		185
116	The interval between server ticks, in seconds.	186	The interval between server ticks, in seconds.
117		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
118	=item %cf::CFG	198	=item %cf::CFG
119		199
120	Configuration for the server, loaded from C</etc/crossfire/config>, or	200	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
121	from wherever your confdir points to.	201	from wherever your confdir points to.
122		202
123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	203	=item cf::wait_for_tick, cf::wait_for_tick_begin
124		204
125	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
126	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
127	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.
128	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.
129		214
130	=back	215	=back
131		216
132	=cut	217	=cut
133		218
134	BEGIN {	219	BEGIN {
135	*CORE::GLOBAL::warn = sub {	220	*CORE::GLOBAL::warn = sub {
136	my $msg = join "", @_;	221	my $msg = join "", @_;
137	utf8::encode $msg;
138		222
139	$msg .= "\n"	223	$msg .= "\n"
140	unless $msg =~ /\n$/;	224	unless $msg =~ /\n$/;
141		225
		226	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		227
142	LOG llevError, $msg;	228	LOG llevError, $msg;
143	};	229	};
144	}	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#?
145		246
146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	247	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	248	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	249	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	250	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150	@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';
151	@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)
152		254
153	# 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
154	# within the Safe compartment.	256	# within the Safe compartment.
155	for my $pkg (qw(	257	for my $pkg (qw(
156	cf::global cf::attachable	258	cf::global cf::attachable
157	cf::object cf::object::player	259	cf::object cf::object::player
158	cf::client cf::player	260	cf::client cf::player
159	cf::arch cf::living	261	cf::arch cf::living
		262	cf::map cf::mapspace
160	cf::map cf::party cf::region	263	cf::party cf::region
161	)) {	264	)) {
162	no strict 'refs';
163	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	265	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
164	}	266	}
165		267
166	$Event::DIED = sub {	268	$EV::DIED = sub {
167	warn "error in event callback: @_";	269	warn "error in event callback: @_";
168	};	270	};
		271
		272	#############################################################################
169		273
170	=head2 UTILITY FUNCTIONS	274	=head2 UTILITY FUNCTIONS
171		275
172	=over 4	276	=over 4
173		277
…		…
192	$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;
193	$d	297	$d
194	} || "[unable to dump $_[0]: '$@']";	298	} || "[unable to dump $_[0]: '$@']";
195	}	299	}
196		300
197	use JSON::Syck (); # TODO# replace by JSON::PC once working
198
199	=item $ref = cf::from_json $json	301	=item $ref = cf::decode_json $json
200		302
201	Converts a JSON string into the corresponding perl data structure.	303	Converts a JSON string into the corresponding perl data structure.
202		304
203	=cut
204
205	sub from_json($) {
206	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207	JSON::Syck::Load $_[0]
208	}
209
210	=item $json = cf::to_json $ref	305	=item $json = cf::encode_json $ref
211		306
212	Converts a perl data structure into its JSON representation.	307	Converts a perl data structure into its JSON representation.
213		308
214	=cut	309	=cut
215		310
216	sub to_json($) {	311	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	312
218	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;
219	}	328	}
220		329
221	=item cf::lock_wait $string	330	=item cf::lock_wait $string
222		331
223	Wait until the given lock is available. See cf::lock_acquire.	332	Wait until the given lock is available. See cf::lock_acquire.
224		333
225	=item my $lock = cf::lock_acquire $string	334	=item my $lock = cf::lock_acquire $string
226		335
227	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
228	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,
229	for example when the coroutine gets canceled), the lock is automatically	338	for example when the coroutine gets canceled), the lock is automatically
230	returned.	339	returned.
231		340
		341	Locks are *not* recursive, locking from the same coro twice results in a
		342	deadlocked coro.
		343
232	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
233	uses map_find and cf::map::load uses map_load).	345	uses map_find and cf::map::load uses map_load).
234		346
235	=cut	347	=item $locked = cf::lock_active $string
236		348
237	our %LOCK;	349	Return true if the lock is currently active, i.e. somebody has locked it.
		350
		351	=cut
		352
		353	our $LOCKS = new Coro::SemaphoreSet;
238		354
239	sub lock_wait($) {	355	sub lock_wait($) {
240	my ($key) = @_;	356	$LOCKS->wait ($_[0]);
241
242	# wait for lock, if any
243	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;
246	}
247	}	357	}
248		358
249	sub lock_acquire($) {	359	sub lock_acquire($) {
250	my ($key) = @_;	360	$LOCKS->guard ($_[0])
		361	}
251		362
252	# wait, to be sure we are not locked	363	sub lock_active($) {
253	lock_wait $key;	364	$LOCKS->count ($_[0]) < 1
254
255	$LOCK{$key} = [];
256
257	Coro::guard {
258	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };
260	}
261	}	365	}
262		366
263	sub freeze_mainloop {	367	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
265		369
266	my $guard = Coro::guard {	370	&Guard::guard (\&tick_inhibit_dec);
267	$TICK_WATCHER->start;	371	}
268	$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($$) {
		381	my ($interval, $cb) = @_;
		382
		383	my $start = rand List::Util::min 180, $interval;
		384
		385	EV::periodic $start, $interval, 0, $cb
		386	}
		387
		388	=item cf::get_slot $time[, $priority[, $name]]
		389
		390	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		391	This call blocks and returns only when you have at least C<$time> seconds
		392	of cpu time till the next tick. The slot is only valid till the next cede.
		393
		394	The optional C<$name> can be used to identify the job to run. It might be
		395	used for statistical purposes and should identify the same time-class.
		396
		397	Useful for short background jobs.
		398
		399	=cut
		400
		401	our @SLOT_QUEUE;
		402	our $SLOT_QUEUE;
		403
		404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		405	$SLOT_QUEUE = Coro::async {
		406	$Coro::current->desc ("timeslot manager");
		407
		408	my $signal = new Coro::Signal;
		409
		410	while () {
		411	next_job:
		412	my $avail = cf::till_tick;
		413	if ($avail > 0.01) {
		414	for (0 .. $#SLOT_QUEUE) {
		415	if ($SLOT_QUEUE[$_][0] < $avail) {
		416	my $job = splice @SLOT_QUEUE, $_, 1, ();
		417	$job->[2]->send;
		418	Coro::cede;
		419	goto next_job;
		420	}
		421	}
		422	}
		423
		424	if (@SLOT_QUEUE) {
		425	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		426	push @cf::WAIT_FOR_TICK, $signal;
		427	$signal->wait;
		428	} else {
		429	Coro::schedule;
		430	}
269	};	431	}
270	$WRITE_RUNTIME_WATCHER->stop;	432	};
271	$TICK_WATCHER->stop;	433
272	$guard	434	sub get_slot($;$$) {
		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	$sig->wait;
273	}	446	}
274		447
275	=item cf::async { BLOCK }	448	=item cf::async { BLOCK }
276		449
277	Currently the same as Coro::async_pool, meaning you cannot use	450	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		455
283	BEGIN { *async = \&Coro::async_pool }	456	BEGIN { *async = \&Coro::async_pool }
284		457
285	=item cf::sync_job { BLOCK }	458	=item cf::sync_job { BLOCK }
286		459
287	The design of crossfire+ requires that the main coro ($Coro::main) is	460	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	461	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	462	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		463	acceptable.
290		464
291	If it must be done, put the blocking parts into C<sync_job>. This will run	465	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	466	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	467	server will be frozen during this time, so the block should either finish
294	fast or be very important.	468	fast or be very important.
…		…
297		471
298	sub sync_job(&) {	472	sub sync_job(&) {
299	my ($job) = @_;	473	my ($job) = @_;
300		474
301	if ($Coro::current == $Coro::main) {	475	if ($Coro::current == $Coro::main) {
		476	my $time = EV::time;
		477
302	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
304		480
305	# TODO: use suspend/resume instead	481	LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	482
307	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
308		484
309	my $busy = 1;	485	my $busy = 1;
310	my @res;	486	my @res;
311		487
312	(async {	488	(async {
		489	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	490	@res = eval { $job->() };
314	warn $@ if $@;	491	warn $@ if $@;
315	undef $busy;	492	undef $busy;
316	})->prio (Coro::PRIO_MAX);	493	})->prio (Coro::PRIO_MAX);
317		494
318	while ($busy) {	495	while ($busy) {
319	Coro::cede or Event::one_event;	496	if (Coro::nready) {
		497	Coro::cede_notself;
		498	} else {
		499	EV::loop EV::LOOP_ONESHOT;
320	}	500	}
		501	}
		502
		503	my $time = EV::time - $time;
		504
		505	$TICK_START += $time; # do not account sync jobs to server load
321		506
322	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
323	} else {	508	} else {
324	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
325		510
…		…
345	$EXT_CORO{$coro+0} = $coro;	530	$EXT_CORO{$coro+0} = $coro;
346		531
347	$coro	532	$coro
348	}	533	}
349		534
350	sub write_runtime {	535	=item fork_call { }, $args
351	my $runtime = cf::localdir . "/runtime";
352		536
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	537	Executes the given code block with the given arguments in a seperate
354	or return;	538	process, returning the results. Everything must be serialisable with
		539	Coro::Storable. May, of course, block. Note that the executed sub may
		540	never block itself or use any form of event handling.
355		541
356	my $value = $cf::RUNTIME + 90 + 10;	542	=cut
357	# 10 is the runtime save interval, for a monotonic clock
358	# 60 allows for the watchdog to kill the server.
359		543
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	544	sub fork_call(&@) {
361	and return;	545	my ($cb, @args) = @_;
362		546
363	aio_fsync $fh	547	# we seemingly have to make a local copy of the whole thing,
364	and return;	548	# otherwise perl prematurely frees the stuff :/
		549	# TODO: investigate and fix (likely this will be rather laborious)
365		550
366	close $fh	551	my @res = Coro::Util::fork_eval {
367	or return;	552	reset_signals;
		553	&$cb
		554	}, @args;
368		555
369	aio_rename "$runtime~", $runtime	556	wantarray ? @res : $res[-1]
370	and return;	557	}
371		558
		559	=item $coin = coin_from_name $name
		560
		561	=cut
		562
		563	our %coin_alias = (
		564	"silver" => "silvercoin",
		565	"silvercoin" => "silvercoin",
		566	"silvercoins" => "silvercoin",
		567	"gold" => "goldcoin",
		568	"goldcoin" => "goldcoin",
		569	"goldcoins" => "goldcoin",
		570	"platinum" => "platinacoin",
		571	"platinumcoin" => "platinacoin",
		572	"platinumcoins" => "platinacoin",
		573	"platina" => "platinacoin",
		574	"platinacoin" => "platinacoin",
		575	"platinacoins" => "platinacoin",
		576	"royalty" => "royalty",
		577	"royalties" => "royalty",
		578	);
		579
		580	sub coin_from_name($) {
		581	$coin_alias{$_[0]}
		582	? cf::arch::find $coin_alias{$_[0]}
		583	: undef
		584	}
		585
		586	=item $value = cf::db_get $family => $key
		587
		588	Returns a single value from the environment database.
		589
		590	=item cf::db_put $family => $key => $value
		591
		592	Stores the given C<$value> in the family. It can currently store binary
		593	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		594
		595	=item $db = cf::db_table "name"
		596
		597	Create and/or open a new database table. The string must not be "db" and must be unique
		598	within each server.
		599
		600	=cut
		601
		602	sub db_table($) {
		603	my ($name) = @_;
		604	my $db = BDB::db_create $DB_ENV;
		605
		606	eval {
		607	$db->set_flags (BDB::CHKSUM);
		608
		609	utf8::encode $name;
		610	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		611	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		612	cf::cleanup "db_open(db): $!" if $!;
		613	};
		614	cf::cleanup "db_open(db): $@" if $@;
		615
		616	$db
		617	}
		618
		619	our $DB;
		620
		621	sub db_init {
		622	cf::sync_job {
		623	$DB ||= db_table "db";
		624	};
		625	}
		626
		627	sub db_get($$) {
		628	my $key = "$_[0]/$_[1]";
		629
		630	cf::sync_job {
		631	BDB::db_get $DB, undef, $key, my $data;
		632
		633	$! ? ()
		634	: $data
372	1	635	}
		636	}
		637
		638	sub db_put($$$) {
		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 });
373	}	722	}
374		723
375	=back	724	=back
376		725
377	=cut	726	=cut
378		727
379	#############################################################################	728	#############################################################################
380		729
381	=head2 ATTACHABLE OBJECTS	730	=head2 ATTACHABLE OBJECTS
382		731
383	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
384	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")
385	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
386		735
387	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>
388	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
389	crossfire+).	738	Deliantra).
390		739
391	=over 4	740	=over 4
392		741
393	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
394		743
…		…
438	=item cf::CLASS::attachment $name, ...	787	=item cf::CLASS::attachment $name, ...
439		788
440	Register an attachment by C<$name> through which attachable objects of the	789	Register an attachment by C<$name> through which attachable objects of the
441	given CLASS can refer to this attachment.	790	given CLASS can refer to this attachment.
442		791
443	Some classes such as crossfire maps and objects can specify attachments	792	Some classes such as deliantra maps and objects can specify attachments
444	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.
445		794
446	These calls expect any number of the following handler/hook descriptions:	795	These calls expect any number of the following handler/hook descriptions:
447		796
448	=over 4	797	=over 4
…		…
557	$registry = $CB_TYPE[$object_type] ||= [];	906	$registry = $CB_TYPE[$object_type] ||= [];
558		907
559	} elsif ($type eq "subtype") {	908	} elsif ($type eq "subtype") {
560	defined $object_type or Carp::croak "subtype specified without type";	909	defined $object_type or Carp::croak "subtype specified without type";
561	my $object_subtype = shift @arg;	910	my $object_subtype = shift @arg;
562	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	911	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563		912
564	} elsif ($type eq "package") {	913	} elsif ($type eq "package") {
565	my $pkg = shift @arg;	914	my $pkg = shift @arg;
566		915
567	while (my ($name, $id) = each %cb_id) {	916	while (my ($name, $id) = each %cb_id) {
…		…
596	_attach $registry, $klass, @attach;	945	_attach $registry, $klass, @attach;
597	}	946	}
598		947
599	$obj->{$name} = \%arg;	948	$obj->{$name} = \%arg;
600	} else {	949	} else {
601	warn "object uses attachment '$name' that is not available, postponing.\n";	950	warn "object uses attachment '$name' which is not available, postponing.\n";
602	}	951	}
603		952
604	$obj->{_attachment}{$name} = undef;	953	$obj->{_attachment}{$name} = undef;
605	}	954	}
606		955
…		…
608	if (ref $_[0]) {	957	if (ref $_[0]) {
609	_object_attach @_;	958	_object_attach @_;
610	} else {	959	} else {
611	_attach shift->_attach_registry, @_;	960	_attach shift->_attach_registry, @_;
612	}	961	}
		962	_recalc_want;
613	};	963	};
614		964
615	# all those should be optimised	965	# all those should be optimised
616	sub cf::attachable::detach {	966	sub cf::attachable::detach {
617	my ($obj, $name) = @_;	967	my ($obj, $name) = @_;
…		…
620	delete $obj->{_attachment}{$name};	970	delete $obj->{_attachment}{$name};
621	reattach ($obj);	971	reattach ($obj);
622	} else {	972	} else {
623	Carp::croak "cannot, currently, detach class attachments";	973	Carp::croak "cannot, currently, detach class attachments";
624	}	974	}
		975	_recalc_want;
625	};	976	};
626		977
627	sub cf::attachable::attached {	978	sub cf::attachable::attached {
628	my ($obj, $name) = @_;	979	my ($obj, $name) = @_;
629		980
…		…
644	";	995	";
645	die if $@;	996	die if $@;
646	}	997	}
647		998
648	our $override;	999	our $override;
649	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?
650		1001
651	sub override {	1002	sub override {
652	$override = 1;	1003	$override = 1;
653	@invoke_results = ();	1004	@INVOKE_RESULTS = (@_);
654	}	1005	}
655		1006
656	sub do_invoke {	1007	sub do_invoke {
657	my $event = shift;	1008	my $event = shift;
658	my $callbacks = shift;	1009	my $callbacks = shift;
659		1010
660	@invoke_results = ();	1011	@INVOKE_RESULTS = ();
661		1012
662	local $override;	1013	local $override;
663		1014
664	for (@$callbacks) {	1015	for (@$callbacks) {
665	eval { &{$_->[1]} };	1016	eval { &{$_->[1]} };
…		…
674	}	1025	}
675		1026
676	0	1027	0
677	}	1028	}
678		1029
679	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
680		1031
681	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
682		1033
683	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
684		1035
685	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
686	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
687	results (if you must, access C<@cf::invoke_results> directly).	1038	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
688		1039
689	=back	1040	=back
690		1041
691	=cut	1042	=cut
692		1043
693	#############################################################################	1044	#############################################################################
694	# 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, $ob2
		1087	}
695		1088
696	sub reattach {	1089	sub reattach {
697	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
698	my ($obj) = @_;	1091	my ($obj) = @_;
699		1092
		1093	# no longer needed after getting rid of delete_package?
700	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
701		1095
702	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
703		1097
704	@$registry = ();	1098	@$registry = ();
705		1099
…		…
720	cf::attachable->attach (	1114	cf::attachable->attach (
721	prio => -1000000,	1115	prio => -1000000,
722	on_instantiate => sub {	1116	on_instantiate => sub {
723	my ($obj, $data) = @_;	1117	my ($obj, $data) = @_;
724		1118
725	$data = from_json $data;	1119	$data = decode_json $data;
726		1120
727	for (@$data) {	1121	for (@$data) {
728	my ($name, $args) = @$_;	1122	my ($name, $args) = @$_;
729		1123
730	$obj->attach ($name, %{$args || {} });	1124	$obj->attach ($name, %{$args || {} });
…		…
746	sub object_freezer_save {	1140	sub object_freezer_save {
747	my ($filename, $rdata, $objs) = @_;	1141	my ($filename, $rdata, $objs) = @_;
748		1142
749	sync_job {	1143	sync_job {
750	if (length $$rdata) {	1144	if (length $$rdata) {
		1145	utf8::decode (my $decname = $filename);
751	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
752	$filename, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
753		1148
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
757	aio_fsync $fh;	1152	aio_fsync $fh if $cf::USE_FSYNC;
758	close $fh;	1153	aio_close $fh;
759		1154
760	if (@$objs) {	1155	if (@$objs) {
761	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) {
762	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
765	aio_fsync $fh;	1160	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	1161	aio_close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
768	}	1163	}
769	} else {	1164	} else {
770	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
771	}	1166	}
772		1167
773	aio_rename "$filename~", $filename;	1168	aio_rename "$filename~", $filename;
		1169
		1170	$filename =~ s%/[^/]+$%%;
		1171	aio_pathsync $filename if $cf::USE_FSYNC;
774	} else {	1172	} else {
775	warn "FATAL: $filename~: $!\n";	1173	warn "FATAL: $filename~: $!\n";
776	}	1174	}
777	} else {	1175	} else {
778	aio_unlink $filename;	1176	aio_unlink $filename;
779	aio_unlink "$filename.pst";	1177	aio_unlink "$filename.pst";
780	}	1178	}
781	}	1179	};
782	}	1180	}
783		1181
784	sub object_freezer_as_string {	1182	sub object_freezer_as_string {
785	my ($rdata, $objs) = @_;	1183	my ($rdata, $objs) = @_;
786		1184
…		…
798	or return;	1196	or return;
799		1197
800	unless (aio_stat "$filename.pst") {	1198	unless (aio_stat "$filename.pst") {
801	(aio_load "$filename.pst", $av) >= 0	1199	(aio_load "$filename.pst", $av) >= 0
802	or return;	1200	or return;
		1201
803	$av = eval { (Storable::thaw $av)->{objs} };	1202	my $st = eval { Coro::Storable::thaw $av };
		1203	$av = $st->{objs};
804	}	1204	}
805		1205
		1206	utf8::decode (my $decname = $filename);
806	warn sprintf "loading %s (%d)\n",	1207	warn sprintf "loading %s (%d,%d)\n",
807	$filename, length $data, scalar @{$av || []};#d#	1208	$decname, length $data, scalar @{$av || []};
		1209
808	return ($data, $av);	1210	($data, $av)
809	}	1211	}
		1212
		1213	=head2 COMMAND CALLBACKS
		1214
		1215	=over 4
		1216
		1217	=cut
810		1218
811	#############################################################################	1219	#############################################################################
812	# command handling &c	1220	# command handling &c
813		1221
814	=item cf::register_command $name => \&callback($ob,$args);	1222	=item cf::register_command $name => \&callback($ob,$args);
…		…
827	push @{ $COMMAND{$name} }, [$caller, $cb];	1235	push @{ $COMMAND{$name} }, [$caller, $cb];
828	}	1236	}
829		1237
830	=item cf::register_extcmd $name => \&callback($pl,$packet);	1238	=item cf::register_extcmd $name => \&callback($pl,$packet);
831		1239
832	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.
833		1245
834	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
835	called.	1247	called.
836		1248
		1249	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1250
		1251	Register a callback for execution when the client sends an (asynchronous)
		1252	exticmd packet. Exti commands are processed by the server as soon as they
		1253	are received, i.e. out of order w.r.t. other commands. The first argument
		1254	is a client socket. Exti commands can be received anytime, even before
		1255	log-in.
		1256
		1257	If the callback returns something, it is sent back as if reply was being
		1258	called.
		1259
837	=cut	1260	=cut
838		1261
839	sub register_extcmd {	1262	sub register_extcmd {
840	my ($name, $cb) = @_;	1263	my ($name, $cb) = @_;
841		1264
842	$EXTCMD{$name} = $cb;	1265	$EXTCMD{$name} = $cb;
843	}	1266	}
		1267
		1268	sub register_exticmd {
		1269	my ($name, $cb) = @_;
		1270
		1271	$EXTICMD{$name} = $cb;
		1272	}
		1273
		1274	use File::Glob ();
844		1275
845	cf::player->attach (	1276	cf::player->attach (
846	on_command => sub {	1277	on_command => sub {
847	my ($pl, $name, $params) = @_;	1278	my ($pl, $name, $params) = @_;
848		1279
…		…
856	cf::override;	1287	cf::override;
857	},	1288	},
858	on_extcmd => sub {	1289	on_extcmd => sub {
859	my ($pl, $buf) = @_;	1290	my ($pl, $buf) = @_;
860		1291
861	my $msg = eval { from_json $buf };	1292	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
862		1293
863	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
864	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1302	if (my $cb = $EXTCMD{$type}) {
865	if (my %reply = $cb->($pl, $msg)) {	1303	@reply = $cb->($pl, @payload);
866	$pl->ext_reply ($msg->{msgid}, %reply);
867	}
868	}	1304	}
		1305
		1306	$pl->ext_reply ($reply, @reply)
		1307	if $reply;
		1308
869	} else {	1309	} else {
870	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1310	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
871	}	1311	}
872		1312
873	cf::override;	1313	cf::override;
874	},	1314	},
875	);	1315	);
876		1316
		1317	# "readahead" all extensions
877	sub load_extension {	1318	sub cache_extensions {
878	my ($path) = @_;	1319	my $grp = IO::AIO::aio_group;
879		1320
880	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1321	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
881	my $base = $1;	1322	for (grep /\.ext$/, @{$_[0]}) {
882	my $pkg = $1;	1323	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
883	$pkg =~ s/[^[:word:]]/_/g;
884	$pkg = "ext::$pkg";
885
886	warn "... loading '$path' into '$pkg'\n";
887
888	open my $fh, "<:utf8", $path
889	or die "$path: $!";
890
891	my $source =
892	"package $pkg; use strict; use utf8;\n"
893	. "#line 1 \"$path\"\n{\n"
894	. (do { local $/; <$fh> })
895	. "\n};\n1";
896
897	unless (eval $source) {
898	my $msg = $@ ? "$path: $@\n"
899	: "extension disabled.\n";
900	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
901	warn $@;
902	warn "mandatory extension failed to load, exiting.\n";
903	exit 1;
904	}	1324	}
905	die $@;
906	}	1325	};
907		1326
908	push @EXTS, $pkg;	1327	$grp
909	}	1328	}
910		1329
911	sub load_extensions {	1330	sub load_extensions {
		1331	cf::sync_job {
		1332	my %todo;
		1333
912	for my $ext (<$LIBDIR/*.ext>) {	1334	for my $path (<$LIBDIR/*.ext>) {
913	next unless -r $ext;	1335	next unless -r $path;
914	eval {	1336
915	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	$progress = 1;
916	1	1393	}
917	} or warn "$ext not loaded: $@";	1394
		1395	skip:
		1396	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1397	unless $progress;
		1398	}
918	}	1399	};
919	}	1400	}
920		1401
921	#############################################################################	1402	#############################################################################
922		1403
		1404	=back
		1405
923	=head2 CORE EXTENSIONS	1406	=head2 CORE EXTENSIONS
924		1407
925	Functions and methods that extend core crossfire objects.	1408	Functions and methods that extend core deliantra objects.
926		1409
927	=cut	1410	=cut
928		1411
929	package cf::player;	1412	package cf::player;
930		1413
…		…
932		1415
933	=head3 cf::player	1416	=head3 cf::player
934		1417
935	=over 4	1418	=over 4
936		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
937	=item cf::player::find $login	1434	=item cf::player::find $login
938		1435
939	Returns the given player object, loading it if necessary (might block).	1436	Returns the given player object, loading it if necessary (might block).
940		1437
941	=cut	1438	=cut
942		1439
943	sub playerdir($) {	1440	sub playerdir($) {
944	cf::localdir	1441	"$PLAYERDIR/"
945	. "/"
946	. cf::playerdir
947	. "/"
948	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1442	. (ref $_[0] ? $_[0]->ob->name : $_[0])
949	}	1443	}
950		1444
951	sub path($) {	1445	sub path($) {
952	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1446	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
953		1447
954	(playerdir $login) . "/$login.pl"	1448	(playerdir $login) . "/playerdata"
955	}	1449	}
956		1450
957	sub find_active($) {	1451	sub find_active($) {
958	$cf::PLAYER{$_[0]}	1452	$cf::PLAYER{$_[0]}
959	and $cf::PLAYER{$_[0]}->active	1453	and $cf::PLAYER{$_[0]}->active
…		…
962		1456
963	sub exists($) {	1457	sub exists($) {
964	my ($login) = @_;	1458	my ($login) = @_;
965		1459
966	$cf::PLAYER{$login}	1460	$cf::PLAYER{$login}
967	or cf::sync_job { !aio_stat path $login }	1461	or !aio_stat path $login
968	}	1462	}
969		1463
970	sub find($) {	1464	sub find($) {
971	return $cf::PLAYER{$_[0]} || do {	1465	return $cf::PLAYER{$_[0]} || do {
972	my $login = $_[0];	1466	my $login = $_[0];
973		1467
974	my $guard = cf::lock_acquire "user_find:$login";	1468	my $guard = cf::lock_acquire "user_find:$login";
975		1469
976	$cf::PLAYER{$_[0]} || do {	1470	$cf::PLAYER{$_[0]} || do {
977	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
978	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;
979	$cf::PLAYER{$login} = $pl	1486	$cf::PLAYER{$login} = $pl
980	}	1487	}
981	}	1488	}
982	}	1489	}
983		1490
…		…
992	return if $pl->{deny_save};	1499	return if $pl->{deny_save};
993		1500
994	aio_mkdir playerdir $pl, 0770;	1501	aio_mkdir playerdir $pl, 0770;
995	$pl->{last_save} = $cf::RUNTIME;	1502	$pl->{last_save} = $cf::RUNTIME;
996		1503
		1504	cf::get_slot 0.01;
		1505
997	$pl->save_pl ($path);	1506	$pl->save_pl ($path);
998	Coro::cede;	1507	cf::cede_to_tick;
999	}	1508	}
1000		1509
1001	sub new($) {	1510	sub new($) {
1002	my ($login) = @_;	1511	my ($login) = @_;
1003		1512
…		…
1009	$cf::PLAYER{$login} = $self;	1518	$cf::PLAYER{$login} = $self;
1010		1519
1011	$self	1520	$self
1012	}	1521	}
1013		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
1014	=item $pl->quit_character	1533	=item $pl->quit_character
1015		1534
1016	Nukes the player without looking back. If logged in, the connection will	1535	Nukes the player without looking back. If logged in, the connection will
1017	be destroyed. May block for a long time.	1536	be destroyed. May block for a long time.
1018		1537
1019	=cut	1538	=cut
1020		1539
1021	sub quit_character {	1540	sub quit_character {
1022	my ($pl) = @_;	1541	my ($pl) = @_;
1023		1542
		1543	my $name = $pl->ob->name;
		1544
1024	$pl->{deny_save} = 1;	1545	$pl->{deny_save} = 1;
1025	$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
1026		1547
1027	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1548	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1028	$pl->deactivate;	1549	$pl->deactivate;
		1550	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1551	$pl->ob->check_score;
1029	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1552	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1030	$pl->ns->destroy if $pl->ns;	1553	$pl->ns->destroy if $pl->ns;
1031		1554
1032	my $path = playerdir $pl;	1555	my $path = playerdir $pl;
1033	my $temp = "$path~$cf::RUNTIME~deleting~";	1556	my $temp = "$path~$cf::RUNTIME~deleting~";
1034	aio_rename $path, $temp;	1557	aio_rename $path, $temp;
1035	delete $cf::PLAYER{$pl->ob->name};	1558	delete $cf::PLAYER{$pl->ob->name};
1036	$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
1037	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;
1038	}	1581	}
1039		1582
1040	=item cf::player::list_logins	1583	=item cf::player::list_logins
1041		1584
1042	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
1043	while and may block, so not sync_job-capable, ever.	1586	while and may block, so not sync_job-capable, ever.
1044		1587
1045	=cut	1588	=cut
1046		1589
1047	sub list_logins {	1590	sub list_logins {
1048	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1591	my $dirs = aio_readdir $PLAYERDIR
1049	or return [];	1592	or return [];
1050		1593
1051	my @logins;	1594	my @logins;
1052		1595
1053	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") {
1054	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1602	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1055	aio_read $fh, 0, 512, my $buf, 0 or next;	1603	aio_read $fh, 0, 512, my $buf, 0 or next;
1056	$buf !~ /^password -------------$/m or next; # official not-valid tag	1604	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1605	}
1057		1606
1058	utf8::decode $login;	1607	utf8::decode $login;
1059	push @logins, $login;	1608	push @logins, $login;
1060	}	1609	}
1061		1610
…		…
1069		1618
1070	=cut	1619	=cut
1071		1620
1072	sub maps($) {	1621	sub maps($) {
1073	my ($pl) = @_;	1622	my ($pl) = @_;
		1623
		1624	$pl = ref $pl ? $pl->ob->name : $pl;
1074		1625
1075	my $files = aio_readdir playerdir $pl	1626	my $files = aio_readdir playerdir $pl
1076	or return;	1627	or return;
1077		1628
1078	my @paths;	1629	my @paths;
…		…
1080	for (@$files) {	1631	for (@$files) {
1081	utf8::decode $_;	1632	utf8::decode $_;
1082	next if /\.(?:pl|pst)$/;	1633	next if /\.(?:pl|pst)$/;
1083	next unless /^$PATH_SEP/o;	1634	next unless /^$PATH_SEP/o;
1084		1635
1085	push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_;	1636	push @paths, cf::map::normalise "~$pl/$_";
1086	}	1637	}
1087		1638
1088	\@paths	1639	\@paths
1089	}	1640	}
1090		1641
		1642	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1643
		1644	Expand deliantra pod fragments into protocol xml.
		1645
1091	=item $player->ext_reply ($msgid, $msgtype, %msg)	1646	=item $player->ext_reply ($msgid, @msg)
1092		1647
1093	Sends an ext reply to the player.	1648	Sends an ext reply to the player.
1094		1649
1095	=cut	1650	=cut
1096		1651
1097	sub ext_reply($$$%) {	1652	sub ext_reply($$@) {
1098	my ($self, $id, %msg) = @_;	1653	my ($self, $id, @msg) = @_;
1099		1654
1100	$msg{msgid} = $id;	1655	$self->ns->ext_reply ($id, @msg)
1101
1102	$self->send ("ext " . cf::to_json \%msg);
1103	}	1656	}
1104		1657
1105	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	}
1106		1698
1107	=back	1699	=back
1108
1109		1700
1110	=head3 cf::map	1701	=head3 cf::map
1111		1702
1112	=over 4	1703	=over 4
1113		1704
…		…
1125	our $MAX_RESET = 3600;	1716	our $MAX_RESET = 3600;
1126	our $DEFAULT_RESET = 3000;	1717	our $DEFAULT_RESET = 3000;
1127		1718
1128	sub generate_random_map {	1719	sub generate_random_map {
1129	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
1130	# mit "rum" bekleckern, nicht	1724	# mit "rum" bekleckern, nicht
1131	$self->_create_random_map (	1725	$self->_create_random_map (
1132	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1726	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1133	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1727	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1134	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1728	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1168	my ($self, $merge) = @_;	1762	my ($self, $merge) = @_;
1169		1763
1170	# we have to keep some variables in memory intact	1764	# we have to keep some variables in memory intact
1171	local $self->{path};	1765	local $self->{path};
1172	local $self->{load_path};	1766	local $self->{load_path};
1173	local $self->{deny_save};
1174	local $self->{deny_reset};
1175		1767
1176	$self->SUPER::thawer_merge ($merge);	1768	$self->SUPER::thawer_merge ($merge);
1177	}	1769	}
1178		1770
1179	sub normalise {	1771	sub normalise {
…		…
1226	$self->init; # pass $1 etc.	1818	$self->init; # pass $1 etc.
1227	return $self;	1819	return $self;
1228	}	1820	}
1229	}	1821	}
1230		1822
1231	Carp::carp "unable to resolve path '$path' (base '$base').";	1823	Carp::cluck "unable to resolve path '$path' (base '$base').";
1232	()	1824	()
1233	}	1825	}
1234		1826
1235	sub init {	1827	sub init {
1236	my ($self) = @_;	1828	my ($self) = @_;
…		…
1251		1843
1252	# the original (read-only) location	1844	# the original (read-only) location
1253	sub load_path {	1845	sub load_path {
1254	my ($self) = @_;	1846	my ($self) = @_;
1255		1847
1256	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1848	"$MAPDIR/$self->{path}.map"
1257	}	1849	}
1258		1850
1259	# the temporary/swap location	1851	# the temporary/swap location
1260	sub save_path {	1852	sub save_path {
1261	my ($self) = @_;	1853	my ($self) = @_;
1262		1854
1263	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1855	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1264	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1856	"$TMPDIR/$path.map"
1265	}	1857	}
1266		1858
1267	# the unique path, undef == no special unique path	1859	# the unique path, undef == no special unique path
1268	sub uniq_path {	1860	sub uniq_path {
1269	my ($self) = @_;	1861	my ($self) = @_;
1270		1862
1271	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1272	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1864	"$UNIQUEDIR/$path"
1273	}	1865	}
1274		1866
1275	# and all this just because we cannot iterate over	1867	# and all this just because we cannot iterate over
1276	# all maps in C++...	1868	# all maps in C++...
1277	sub change_all_map_light {	1869	sub change_all_map_light {
…		…
1279		1871
1280	$_->change_map_light ($change)	1872	$_->change_map_light ($change)
1281	for grep $_->outdoor, values %cf::MAP;	1873	for grep $_->outdoor, values %cf::MAP;
1282	}	1874	}
1283		1875
		1876	sub decay_objects {
		1877	my ($self) = @_;
		1878
		1879	return if $self->{deny_reset};
		1880
		1881	$self->do_decay_objects;
		1882	}
		1883
1284	sub unlink_save {	1884	sub unlink_save {
1285	my ($self) = @_;	1885	my ($self) = @_;
1286		1886
1287	utf8::encode (my $save = $self->save_path);	1887	utf8::encode (my $save = $self->save_path);
1288	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1888	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1291		1891
1292	sub load_header_from($) {	1892	sub load_header_from($) {
1293	my ($self, $path) = @_;	1893	my ($self, $path) = @_;
1294		1894
1295	utf8::encode $path;	1895	utf8::encode $path;
1296	aio_open $path, O_RDONLY, 0	1896	my $f = new_from_file cf::object::thawer $path
1297	or return;	1897	or return;
1298		1898
1299	$self->_load_header ($path)	1899	$self->_load_header ($f)
1300	or return;	1900	or return;
		1901
		1902	local $MAP_LOADING{$self->{path}} = $self;
		1903	$f->resolve_delayed_derefs;
1301		1904
1302	$self->{load_path} = $path;	1905	$self->{load_path} = $path;
1303		1906
1304	1	1907	1
1305	}	1908	}
…		…
1344	$self->load_header_orig	1947	$self->load_header_orig
1345	or return;	1948	or return;
1346	$self->prepare_orig;	1949	$self->prepare_orig;
1347	}	1950	}
1348		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
1349	1	1958	1
1350	}	1959	}
1351		1960
1352	sub find;	1961	sub find;
1353	sub find {	1962	sub find {
1354	my ($path, $origin) = @_;	1963	my ($path, $origin) = @_;
1355		1964
1356	$path = normalise $path, $origin && $origin->path;	1965	$path = normalise $path, $origin && $origin->path;
1357		1966
		1967	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1358	cf::lock_wait "map_find:$path";	1968	my $guard2 = cf::lock_acquire "map_find:$path";
1359		1969
1360	$cf::MAP{$path} || do {	1970	$cf::MAP{$path} || do {
1361	my $guard = cf::lock_acquire "map_find:$path";
1362	my $map = new_from_path cf::map $path	1971	my $map = new_from_path cf::map $path
1363	or return;	1972	or return;
1364		1973
1365	$map->{last_save} = $cf::RUNTIME;	1974	$map->{last_save} = $cf::RUNTIME;
1366		1975
1367	$map->load_header	1976	$map->load_header
1368	or return;	1977	or return;
1369		1978
1370	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1979	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1371	# doing this can freeze the server in a sync job, obviously	1980	# doing this can freeze the server in a sync job, obviously
1372	#$cf::WAIT_FOR_TICK->wait;	1981	#$cf::WAIT_FOR_TICK->wait;
		1982	undef $guard2;
		1983	undef $guard1;
1373	$map->reset;	1984	$map->reset;
1374	undef $guard;
1375	return find $path;	1985	return find $path;
1376	}	1986	}
1377		1987
1378	$cf::MAP{$path} = $map	1988	$cf::MAP{$path} = $map
1379	}	1989	}
…		…
1386	my ($self) = @_;	1996	my ($self) = @_;
1387		1997
1388	local $self->{deny_reset} = 1; # loading can take a long time	1998	local $self->{deny_reset} = 1; # loading can take a long time
1389		1999
1390	my $path = $self->{path};	2000	my $path = $self->{path};
		2001
		2002	{
1391	my $guard = cf::lock_acquire "map_load:$path";	2003	my $guard = cf::lock_acquire "map_data:$path";
1392		2004
		2005	return unless $self->valid;
1393	return if $self->in_memory != cf::MAP_SWAPPED;	2006	return unless $self->in_memory == cf::MAP_SWAPPED;
1394		2007
1395	$self->in_memory (cf::MAP_LOADING);	2008	$self->in_memory (cf::MAP_LOADING);
1396		2009
1397	$self->alloc;	2010	$self->alloc;
1398		2011
1399	$self->pre_load;	2012	$self->pre_load;
		2013	cf::cede_to_tick;
1400		2014
1401	$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)
1402	or return;	2018	or return;
1403		2019
1404	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2020	$self->post_load_original
1405	if delete $self->{load_original};	2021	if delete $self->{load_original};
1406		2022
1407	if (my $uniq = $self->uniq_path) {	2023	if (my $uniq = $self->uniq_path) {
1408	utf8::encode $uniq;	2024	utf8::encode $uniq;
1409	if (aio_open $uniq, O_RDONLY, 0) {	2025	unless (aio_stat $uniq) {
		2026	if (my $f = new_from_file cf::object::thawer $uniq) {
1410	$self->clear_unique_items;	2027	$self->clear_unique_items;
1411	$self->_load_objects ($uniq, 0);	2028	$self->_load_objects ($f);
		2029	$f->resolve_delayed_derefs;
		2030	}
1412	}	2031	}
1413	}	2032	}
1414		2033
1415	Coro::cede;	2034	$f->resolve_delayed_derefs;
1416		2035
		2036	cf::cede_to_tick;
1417	# now do the right thing for maps	2037	# now do the right thing for maps
1418	$self->link_multipart_objects;	2038	$self->link_multipart_objects;
1419
1420	unless ($self->{deny_activate}) {
1421	$self->decay_objects;
1422	$self->fix_auto_apply;
1423	$self->update_buttons;
1424	Coro::cede;
1425	$self->set_darkness_map;
1426	$self->difficulty ($self->estimate_difficulty)	2039	$self->difficulty ($self->estimate_difficulty)
1427	unless $self->difficulty;	2040	unless $self->difficulty;
1428	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;
1429	$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);
1430	}	2057	}
1431		2058
1432	$self->post_load;	2059	$self->post_load;
1433
1434	$self->in_memory (cf::MAP_IN_MEMORY);
1435	}	2060	}
1436		2061
1437	sub customise_for {	2062	sub customise_for {
1438	my ($self, $ob) = @_;	2063	my ($self, $ob) = @_;
1439		2064
1440	return find "~" . $ob->name . "/" . $self->{path}	2065	return find "~" . $ob->name . "/" . $self->{path}
1441	if $self->per_player;	2066	if $self->per_player;
1442		2067
		2068	# return find "?party/" . $ob->name . "/" . $self->{path}
		2069	# if $self->per_party;
		2070
1443	$self	2071	$self
1444	}	2072	}
1445		2073
1446	# 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
1447	sub load_diag {	2075	sub load_neighbours {
1448	my ($map) = @_;	2076	my ($map) = @_;
1449		2077
1450	my @diag; # diagonal neighbours	2078	my @neigh; # diagonal neighbours
1451		2079
1452	for (0 .. 3) {	2080	for (0 .. 3) {
1453	my $neigh = $map->tile_path ($_)	2081	my $neigh = $map->tile_path ($_)
1454	or next;	2082	or next;
1455	$neigh = find $neigh, $map	2083	$neigh = find $neigh, $map
1456	or next;	2084	or next;
1457	$neigh->load;	2085	$neigh->load;
1458		2086
		2087	push @neigh,
1459	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2088	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1460	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2089	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1461	}	2090	}
1462		2091
1463	for (@diag) {	2092	for (grep defined $_->[0], @neigh) {
		2093	my ($path, $origin) = @$_;
1464	my $neigh = find @$_	2094	my $neigh = find $path, $origin
1465	or next;	2095	or next;
1466	$neigh->load;	2096	$neigh->load;
1467	}	2097	}
1468	}	2098	}
1469		2099
…		…
1474	}	2104	}
1475		2105
1476	sub do_load_sync {	2106	sub do_load_sync {
1477	my ($map) = @_;	2107	my ($map) = @_;
1478		2108
		2109	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2110	if $Coro::current == $Coro::main;
		2111
1479	cf::sync_job { $map->load };	2112	cf::sync_job { $map->load };
1480	}	2113	}
1481		2114
1482	our %MAP_PREFETCH;	2115	our %MAP_PREFETCH;
1483	our $MAP_PREFETCHER = undef;	2116	our $MAP_PREFETCHER = undef;
1484		2117
1485	sub find_async {	2118	sub find_async {
1486	my ($path, $origin) = @_;	2119	my ($path, $origin, $load) = @_;
1487		2120
1488	$path = normalise $path, $origin && $origin->{path};	2121	$path = normalise $path, $origin && $origin->{path};
1489		2122
1490	if (my $map = $cf::MAP{$path}) {	2123	if (my $map = $cf::MAP{$path}) {
1491	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2124	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1492	}	2125	}
1493		2126
1494	undef $MAP_PREFETCH{$path};	2127	$MAP_PREFETCH{$path} |= $load;
		2128
1495	$MAP_PREFETCHER ||= cf::async {	2129	$MAP_PREFETCHER ||= cf::async {
		2130	$Coro::current->{desc} = "map prefetcher";
		2131
1496	while (%MAP_PREFETCH) {	2132	while (%MAP_PREFETCH) {
1497	for my $path (keys %MAP_PREFETCH) {	2133	while (my ($k, $v) = each %MAP_PREFETCH) {
1498	my $map = find $path	2134	if (my $map = find $k) {
1499	or next;
1500	$map->load;	2135	$map->load if $v;
		2136	}
1501		2137
1502	delete $MAP_PREFETCH{$path};	2138	delete $MAP_PREFETCH{$k};
1503	}	2139	}
1504	}	2140	}
1505	undef $MAP_PREFETCHER;	2141	undef $MAP_PREFETCHER;
1506	};	2142	};
1507	$MAP_PREFETCHER->prio (6);	2143	$MAP_PREFETCHER->prio (6);
…		…
1510	}	2146	}
1511		2147
1512	sub save {	2148	sub save {
1513	my ($self) = @_;	2149	my ($self) = @_;
1514		2150
1515	my $lock = cf::lock_acquire "map_data:" . $self->path;	2151	my $lock = cf::lock_acquire "map_data:$self->{path}";
1516		2152
1517	$self->{last_save} = $cf::RUNTIME;	2153	$self->{last_save} = $cf::RUNTIME;
1518		2154
1519	return unless $self->dirty;	2155	return unless $self->dirty;
1520		2156
…		…
1526	return if $self->{deny_save};	2162	return if $self->{deny_save};
1527		2163
1528	local $self->{last_access} = $self->last_access;#d#	2164	local $self->{last_access} = $self->last_access;#d#
1529		2165
1530	cf::async {	2166	cf::async {
		2167	$Coro::current->{desc} = "map player save";
1531	$_->contr->save for $self->players;	2168	$_->contr->save for $self->players;
1532	};	2169	};
		2170
		2171	cf::get_slot 0.02;
1533		2172
1534	if ($uniq) {	2173	if ($uniq) {
1535	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2174	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1536	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2175	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1537	} else {	2176	} else {
…		…
1543	my ($self) = @_;	2182	my ($self) = @_;
1544		2183
1545	# save first because save cedes	2184	# save first because save cedes
1546	$self->save;	2185	$self->save;
1547		2186
1548	my $lock = cf::lock_acquire "map_data:" . $self->path;	2187	my $lock = cf::lock_acquire "map_data:$self->{path}";
1549		2188
1550	return if $self->players;	2189	return if $self->players;
1551	return if $self->in_memory != cf::MAP_IN_MEMORY;	2190	return if $self->in_memory != cf::MAP_ACTIVE;
1552	return if $self->{deny_save};	2191	return if $self->{deny_save};
1553		2192
		2193	$self->in_memory (cf::MAP_SWAPPED);
		2194
		2195	$self->deactivate;
		2196	$_->clear_links_to ($self) for values %cf::MAP;
1554	$self->clear;	2197	$self->clear;
1555	$self->in_memory (cf::MAP_SWAPPED);
1556	}	2198	}
1557		2199
1558	sub reset_at {	2200	sub reset_at {
1559	my ($self) = @_;	2201	my ($self) = @_;
1560		2202
1561	# TODO: safety, remove and allow resettable per-player maps	2203	# TODO: safety, remove and allow resettable per-player maps
1562	return 1e99 if $self->isa ("ext::map_per_player");#d#
1563	return 1e99 if $self->{deny_reset};	2204	return 1e99 if $self->{deny_reset};
1564		2205
1565	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2206	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1566	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;
1567		2208
…		…
1578	my ($self) = @_;	2219	my ($self) = @_;
1579		2220
1580	my $lock = cf::lock_acquire "map_data:$self->{path}";	2221	my $lock = cf::lock_acquire "map_data:$self->{path}";
1581		2222
1582	return if $self->players;	2223	return if $self->players;
1583	return if $self->isa ("ext::map_per_player");#d#
1584		2224
1585	warn "resetting map ", $self->path;#d#	2225	warn "resetting map ", $self->path;
		2226
		2227	$self->in_memory (cf::MAP_SWAPPED);
		2228
		2229	# need to save uniques path
		2230	unless ($self->{deny_save}) {
		2231	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2232
		2233	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2234	if $uniq;
		2235	}
1586		2236
1587	delete $cf::MAP{$self->path};	2237	delete $cf::MAP{$self->path};
1588		2238
1589	$self->in_memory (cf::MAP_SWAPPED);	2239	$self->deactivate;
		2240	$_->clear_links_to ($self) for values %cf::MAP;
1590	$self->clear;	2241	$self->clear;
1591
1592	$_->clear_links_to ($self) for values %cf::MAP;
1593		2242
1594	$self->unlink_save;	2243	$self->unlink_save;
1595	$self->destroy;	2244	$self->destroy;
1596	}	2245	}
1597		2246
1598	my $nuke_counter = "aaaa";	2247	my $nuke_counter = "aaaa";
1599		2248
1600	sub nuke {	2249	sub nuke {
1601	my ($self) = @_;	2250	my ($self) = @_;
1602		2251
		2252	{
		2253	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2254
1603	delete $cf::MAP{$self->path};	2255	delete $cf::MAP{$self->path};
1604		2256
1605	$self->unlink_save;	2257	$self->unlink_save;
1606		2258
1607	bless $self, "cf::map";	2259	bless $self, "cf::map";
1608	delete $self->{deny_reset};	2260	delete $self->{deny_reset};
1609	$self->{deny_save} = 1;	2261	$self->{deny_save} = 1;
1610	$self->reset_timeout (1);	2262	$self->reset_timeout (1);
1611	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2263	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1612		2264
1613	$cf::MAP{$self->path} = $self;	2265	$cf::MAP{$self->path} = $self;
		2266	}
1614		2267
1615	$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	]
1616	}	2305	}
1617		2306
1618	=item cf::map::unique_maps	2307	=item cf::map::unique_maps
1619		2308
1620	Returns an arrayref of paths of all shared maps that have	2309	Returns an arrayref of paths of all shared maps that have
1621	instantiated unique items. May block.	2310	instantiated unique items. May block.
1622		2311
1623	=cut	2312	=cut
1624		2313
1625	sub unique_maps() {	2314	sub unique_maps() {
1626	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2315	[
1627	or return;	2316	map {
1628
1629	my @paths;
1630
1631	for (@$files) {
1632	utf8::decode $_;	2317	utf8::decode $_;
1633	next if /\.pst$/;	2318	s/\.map$//; # TODO future compatibility hack
1634	next unless /^$PATH_SEP/o;	2319	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1635		2320	? ()
1636	push @paths, cf::map::normalise $_;	2321	: normalise $_
		2322	} @{ aio_readdir $UNIQUEDIR or [] }
1637	}	2323	]
1638
1639	\@paths
1640	}	2324	}
1641
1642	package cf;
1643		2325
1644	=back	2326	=back
1645		2327
1646	=head3 cf::object	2328	=head3 cf::object
1647		2329
…		…
1651		2333
1652	=over 4	2334	=over 4
1653		2335
1654	=item $ob->inv_recursive	2336	=item $ob->inv_recursive
1655		2337
1656	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.
1657		2340
1658	=cut	2341	=cut
1659		2342
1660	sub inv_recursive_;	2343	sub inv_recursive_;
1661	sub inv_recursive_ {	2344	sub inv_recursive_ {
…		…
1664		2347
1665	sub inv_recursive {	2348	sub inv_recursive {
1666	inv_recursive_ inv $_[0]	2349	inv_recursive_ inv $_[0]
1667	}	2350	}
1668		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
1669	package cf;	2380	package cf;
1670		2381
1671	=back	2382	=back
1672		2383
1673	=head3 cf::object::player	2384	=head3 cf::object::player
…		…
1679	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>
1680	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
1681	dialogue with the given NPC character.	2392	dialogue with the given NPC character.
1682		2393
1683	=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	};
1684		2409
1685	# rough implementation of a future "reply" method that works	2410	# rough implementation of a future "reply" method that works
1686	# with dialog boxes.	2411	# with dialog boxes.
1687	#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
1688	sub cf::object::player::reply($$$;$) {	2413	sub cf::object::player::reply($$$;$) {
…		…
1690		2415
1691	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2416	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1692		2417
1693	if ($self->{record_replies}) {	2418	if ($self->{record_replies}) {
1694	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2419	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2420
1695	} 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 {
1696	$msg = $npc->name . " says: $msg" if $npc;	2429	$msg = $npc->name . " says: $msg" if $npc;
1697	$self->message ($msg, $flags);	2430	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2431	}
1698	}	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 (@_);
1699	}	2443	}
1700		2444
1701	=item $player_object->may ("access")	2445	=item $player_object->may ("access")
1702		2446
1703	Returns wether the given player is authorized to access resource "access"	2447	Returns wether the given player is authorized to access resource "access"
…		…
1716		2460
1717	=item $player_object->enter_link	2461	=item $player_object->enter_link
1718		2462
1719	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}>).
1720		2464
1721	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.
1722	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.
1723		2469
1724	Will never block.	2470	Will never block.
1725		2471
1726	=item $player_object->leave_link ($map, $x, $y)	2472	=item $player_object->leave_link ($map, $x, $y)
1727		2473
…		…
1750	$self->deactivate_recursive;	2496	$self->deactivate_recursive;
1751		2497
1752	return if UNIVERSAL::isa $self->map, "ext::map_link";	2498	return if UNIVERSAL::isa $self->map, "ext::map_link";
1753		2499
1754	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2500	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1755	if $self->map;	2501	if $self->map && $self->map->{path} ne "{link}";
1756		2502
1757	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2503	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1758	}	2504	}
1759		2505
1760	sub cf::object::player::leave_link {	2506	sub cf::object::player::leave_link {
1761	my ($self, $map, $x, $y) = @_;	2507	my ($self, $map, $x, $y) = @_;
		2508
		2509	return unless $self->contr->active;
1762		2510
1763	my $link_pos = delete $self->{_link_pos};	2511	my $link_pos = delete $self->{_link_pos};
1764		2512
1765	unless ($map) {	2513	unless ($map) {
1766	# restore original map position	2514	# restore original map position
…		…
1780	# use -1 or undef as default coordinates, not 0, 0	2528	# use -1 or undef as default coordinates, not 0, 0
1781	($x, $y) = ($map->enter_x, $map->enter_y)	2529	($x, $y) = ($map->enter_x, $map->enter_y)
1782	if $x <=0 && $y <= 0;	2530	if $x <=0 && $y <= 0;
1783		2531
1784	$map->load;	2532	$map->load;
1785	$map->load_diag;	2533	$map->load_neighbours;
1786		2534
1787	return unless $self->contr->active;	2535	return unless $self->contr->active;
		2536	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1788	$self->activate_recursive;	2537	$self->activate_recursive;
		2538
		2539	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1789	$self->enter_map ($map, $x, $y);	2540	$self->enter_map ($map, $x, $y);
1790	}	2541	}
1791		2542
1792	cf::player->attach (	2543	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1793	on_logout => sub {
1794	my ($pl) = @_;
1795		2544
1796	# abort map switching before logout	2545	Moves the player to the given map-path and coordinates by first freezing
1797	if ($pl->ob->{_link_pos}) {	2546	her, loading and preparing them map, calling the provided $check callback
1798	cf::sync_job {	2547	that has to return the map if sucecssful, and then unfreezes the player on
1799	$pl->ob->leave_link	2548	the new (success) or old (failed) map position. In either case, $done will
1800	};	2549	be called at the end of this process.
1801	}
1802	},
1803	on_login => sub {
1804	my ($pl) = @_;
1805		2550
1806	# try to abort aborted map switching on player login :)	2551	Note that $check will be called with a potentially non-loaded map, so if
1807	# should happen only on crashes	2552	it needs a loaded map it has to call C<< ->load >>.
1808	if ($pl->ob->{_link_pos}) {
1809	$pl->ob->enter_link;
1810	(async {
1811	# we need this sleep as the login has a concurrent enter_exit running
1812	# and this sleep increases chances of the player not ending up in scorn
1813	$pl->ob->reply (undef,
1814	"There was an internal problem at your last logout, "
1815	. "the server will try to bring you to your intended destination in a second.",
1816	cf::NDI_RED);
1817	Coro::Timer::sleep 1;
1818	$pl->ob->leave_link;
1819	})->prio (2);
1820	}
1821	},
1822	);
1823		2553
1824	=item $player_object->goto ($path, $x, $y)
1825
1826	=cut	2554	=cut
		2555
		2556	our $GOTOGEN;
1827		2557
1828	sub cf::object::player::goto {	2558	sub cf::object::player::goto {
1829	my ($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;
1830		2563
1831	$self->enter_link;	2564	$self->enter_link;
1832		2565
1833	(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
1834	my $map = eval {	2588	my $map = eval {
1835	my $map = cf::map::find $path;	2589	my $map = defined $path ? cf::map::find $path : undef;
		2590
		2591	if ($map) {
1836	$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
1837	$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 $@;
1838	} or	2604	}
1839	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1840		2605
		2606	if ($gen == $self->{_goto_generation}) {
		2607	delete $self->{_goto_generation};
1841	$self->leave_link ($map, $x, $y);	2608	$self->leave_link ($map, $x, $y);
		2609	}
		2610
		2611	$done->() if $done;
1842	})->prio (1);	2612	})->prio (1);
1843	}	2613	}
1844		2614
1845	=item $player_object->enter_exit ($exit_object)	2615	=item $player_object->enter_exit ($exit_object)
1846		2616
…		…
1866	}	2636	}
1867		2637
1868	sub prepare_random_map {	2638	sub prepare_random_map {
1869	my ($exit) = @_;	2639	my ($exit) = @_;
1870		2640
1871	my $guard = cf::lock_acquire "exit_prepare:$exit";
1872
1873	# all this does is basically replace the /! path by	2641	# all this does is basically replace the /! path by
1874	# a new random map path (?random/...) with a seed	2642	# a new random map path (?random/...) with a seed
1875	# that depends on the exit object	2643	# that depends on the exit object
1876		2644
1877	my $rmp = parse_random_map_params $exit->msg;	2645	my $rmp = parse_random_map_params $exit->msg;
…		…
1879	if ($exit->map) {	2647	if ($exit->map) {
1880	$rmp->{region} = $exit->region->name;	2648	$rmp->{region} = $exit->region->name;
1881	$rmp->{origin_map} = $exit->map->path;	2649	$rmp->{origin_map} = $exit->map->path;
1882	$rmp->{origin_x} = $exit->x;	2650	$rmp->{origin_x} = $exit->x;
1883	$rmp->{origin_y} = $exit->y;	2651	$rmp->{origin_y} = $exit->y;
		2652
		2653	$exit->map->touch;
1884	}	2654	}
1885		2655
1886	$rmp->{random_seed} ||= $exit->random_seed;	2656	$rmp->{random_seed} ||= $exit->random_seed;
1887		2657
1888	my $data = cf::to_json $rmp;	2658	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1889	my $md5 = Digest::MD5::md5_hex $data;	2659	my $md5 = Digest::MD5::md5_hex $data;
1890	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2660	my $meta = "$RANDOMDIR/$md5.meta";
1891		2661
1892	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2662	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1893	aio_write $fh, 0, (length $data), $data, 0;	2663	aio_write $fh, 0, (length $data), $data, 0;
1894	undef $fh;	2664	undef $fh;
1895	aio_rename "$meta~", $meta;	2665	aio_rename "$meta~", $meta;
1896		2666
		2667	my $slaying = "?random/$md5";
		2668
		2669	if ($exit->valid) {
1897	$exit->slaying ("?random/$md5");	2670	$exit->slaying ("?random/$md5");
1898	$exit->msg (undef);	2671	$exit->msg (undef);
		2672	}
1899	}	2673	}
1900	}	2674	}
1901		2675
1902	sub cf::object::player::enter_exit {	2676	sub cf::object::player::enter_exit {
1903	my ($self, $exit) = @_;	2677	my ($self, $exit) = @_;
1904		2678
1905	return unless $self->type == cf::PLAYER;	2679	return unless $self->type == cf::PLAYER;
1906		2680
1907	if ($exit->slaying eq "/!") {
1908	#TODO: this should de-fi-ni-te-ly not be a sync-job
1909	cf::sync_job { prepare_random_map $exit };
1910	}
1911
1912	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1913	my $hp = $exit->stats->hp;
1914	my $sp = $exit->stats->sp;
1915
1916	$self->enter_link;	2681	$self->enter_link;
1917		2682
1918	(async {	2683	(async {
1919	$self->deactivate_recursive; # just to be sure	2684	$Coro::current->{desc} = "enter_exit";
		2685
1920	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
1921	$self->goto ($slaying, $hp, $sp);	2701	$self->goto ($map, $x, $y);
1922		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
1923	1;	2707	1
1924	}) {	2708	}) {
1925	$self->message ("Something went wrong deep within the crossfire server. "	2709	$self->message ("Something went wrong deep within the deliantra server. "
1926	. "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. "
1927	. "Please report this to the dungeon master!",	2711	. "Please report this to the dungeon master!",
1928	cf::NDI_UNIQUE | cf::NDI_RED);	2712	cf::NDI_UNIQUE | cf::NDI_RED);
1929		2713
1930	warn "ERROR in enter_exit: $@";	2714	warn "ERROR in enter_exit: $@";
1931	$self->leave_link;	2715	$self->leave_link;
1932	}	2716	}
1933	})->prio (1);	2717	})->prio (1);
…		…
1946		2730
1947	sub cf::client::send_drawinfo {	2731	sub cf::client::send_drawinfo {
1948	my ($self, $text, $flags) = @_;	2732	my ($self, $text, $flags) = @_;
1949		2733
1950	utf8::encode $text;	2734	utf8::encode $text;
1951	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2735	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1952	}	2736	}
1953		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	}
1954		2923
1955	=item $success = $client->query ($flags, "text", \&cb)	2924	=item $success = $client->query ($flags, "text", \&cb)
1956		2925
1957	Queues a query to the client, calling the given callback with	2926	Queues a query to the client, calling the given callback with
1958	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>,
1959	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>.
1960		2929
1961	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
1962	reliable at some point in the future.	2931	become reliable at some point in the future.
1963		2932
1964	=cut	2933	=cut
1965		2934
1966	sub cf::client::query {	2935	sub cf::client::query {
1967	my ($self, $flags, $text, $cb) = @_;	2936	my ($self, $flags, $text, $cb) = @_;
…		…
1975	utf8::encode $text;	2944	utf8::encode $text;
1976	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2945	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1977		2946
1978	$self->send_packet ($self->{query_queue}[0][0])	2947	$self->send_packet ($self->{query_queue}[0][0])
1979	if @{ $self->{query_queue} } == 1;	2948	if @{ $self->{query_queue} } == 1;
		2949
		2950	1
1980	}	2951	}
1981		2952
1982	cf::client->attach (	2953	cf::client->attach (
		2954	on_connect => sub {
		2955	my ($ns) = @_;
		2956
		2957	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2958	},
1983	on_reply => sub {	2959	on_reply => sub {
1984	my ($ns, $msg) = @_;	2960	my ($ns, $msg) = @_;
1985		2961
1986	# this weird shuffling is so that direct followup queries	2962	# this weird shuffling is so that direct followup queries
1987	# get handled first	2963	# get handled first
1988	my $queue = delete $ns->{query_queue}	2964	my $queue = delete $ns->{query_queue}
1989	or return; # be conservative, not sure how that can happen, but we saw a crash here	2965	or return; # be conservative, not sure how that can happen, but we saw a crash here
1990		2966
1991	(shift @$queue)->[1]->($msg);	2967	(shift @$queue)->[1]->($msg);
		2968	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1992		2969
1993	push @{ $ns->{query_queue} }, @$queue;	2970	push @{ $ns->{query_queue} }, @$queue;
1994		2971
1995	if (@{ $ns->{query_queue} } == @$queue) {	2972	if (@{ $ns->{query_queue} } == @$queue) {
1996	if (@$queue) {	2973	if (@$queue) {
…		…
1998	} else {	2975	} else {
1999	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2976	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2000	}	2977	}
2001	}	2978	}
2002	},	2979	},
		2980	on_exticmd => sub {
		2981	my ($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	},
2003	);	3006	);
2004		3007
2005	=item $client->async (\&cb)	3008	=item $client->async (\&cb)
2006		3009
2007	Create a new coroutine, running the specified callback. The coroutine will	3010	Create a new coroutine, running the specified callback. The coroutine will
…		…
2048	our $safe = new Safe "safe";	3051	our $safe = new Safe "safe";
2049	our $safe_hole = new Safe::Hole;	3052	our $safe_hole = new Safe::Hole;
2050		3053
2051	$SIG{FPE} = 'IGNORE';	3054	$SIG{FPE} = 'IGNORE';
2052		3055
2053	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3056	$safe->permit_only (Opcode::opset qw(
		3057	:base_core :base_mem :base_orig :base_math
		3058	grepstart grepwhile mapstart mapwhile
		3059	sort time
		3060	));
2054		3061
2055	# here we export the classes and methods available to script code	3062	# here we export the classes and methods available to script code
2056		3063
2057	=pod	3064	=pod
2058		3065
2059	The following fucntions and emthods are available within a safe environment:	3066	The following functions and methods are available within a safe environment:
2060		3067
2061	cf::object contr pay_amount pay_player map	3068	cf::object
		3069	contr pay_amount pay_player map x y force_find force_add destroy
		3070	insert remove name archname title slaying race decrease split
		3071
2062	cf::object::player player	3072	cf::object::player
2063	cf::player peaceful	3073	player
2064	cf::map trigger	3074
		3075	cf::player
		3076	peaceful
		3077
		3078	cf::map
		3079	trigger
2065		3080
2066	=cut	3081	=cut
2067		3082
2068	for (	3083	for (
2069	["cf::object" => qw(contr pay_amount pay_player map)],	3084	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3085	insert remove inv nrof name archname title slaying race
		3086	decrease split destroy change_exp)],
2070	["cf::object::player" => qw(player)],	3087	["cf::object::player" => qw(player)],
2071	["cf::player" => qw(peaceful)],	3088	["cf::player" => qw(peaceful)],
2072	["cf::map" => qw(trigger)],	3089	["cf::map" => qw(trigger)],
2073	) {	3090	) {
2074	no strict 'refs';	3091	no strict 'refs';
…		…
2145	=back	3162	=back
2146		3163
2147	=cut	3164	=cut
2148		3165
2149	#############################################################################	3166	#############################################################################
		3167	# the server's init and main functions
2150		3168
2151	=head2 EXTENSION DATABASE SUPPORT	3169	sub load_facedata($) {
		3170	my ($path) = @_;
2152		3171
2153	Crossfire maintains a very simple database for extension use. It can	3172	# HACK to clear player env face cache, we need some signal framework
2154	currently store anything that can be serialised using Storable, which	3173	# for this (global event?)
2155	excludes objects.	3174	%ext::player_env::MUSIC_FACE_CACHE = ();
2156		3175
2157	The parameter C<$family> should best start with the name of the extension	3176	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2158	using it, it should be unique.
2159		3177
2160	=over 4	3178	warn "loading facedata from $path\n";
2161		3179
2162	=item $hashref = cf::db_get $family	3180	my $facedata;
		3181	0 < aio_load $path, $facedata
		3182	or die "$path: $!";
2163		3183
2164	Return a hashref for use by the extension C<$family>, which can be	3184	$facedata = Coro::Storable::thaw $facedata;
2165	modified. After modifications, you have to call C<cf::db_dirty> or
2166	C<cf::db_sync>.
2167		3185
2168	=item $value = cf::db_get $family => $key	3186	$facedata->{version} == 2
		3187	or cf::cleanup "$path: version mismatch, cannot proceed.";
2169		3188
2170	Returns a single value from the database	3189	# patch in the exptable
2171		3190	$facedata->{resource}{"res/exp_table"} = {
2172	=item cf::db_put $family => $hashref	3191	type => FT_RSRC,
2173		3192	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2174	Stores the given family hashref into the database. Updates are delayed, if
2175	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2176
2177	=item cf::db_put $family => $key => $value
2178
2179	Stores the given C<$value> in the family hash. Updates are delayed, if you
2180	want the data to be synced to disk immediately, use C<cf::db_sync>.
2181
2182	=item cf::db_dirty
2183
2184	Marks the database as dirty, to be updated at a later time.
2185
2186	=item cf::db_sync
2187
2188	Immediately write the database to disk I<if it is dirty>.
2189
2190	=cut
2191
2192	our $DB;
2193
2194	{
2195	my $path = cf::localdir . "/database.pst";
2196
2197	sub db_load() {
2198	$DB = stat $path ? Storable::retrieve $path : { };
2199	}	3193	};
		3194	cf::cede_to_tick;
2200		3195
2201	my $pid;
2202
2203	sub db_save() {
2204	waitpid $pid, 0 if $pid;
2205	if (0 == ($pid = fork)) {
2206	$DB->{_meta}{version} = 1;
2207	Storable::nstore $DB, "$path~";
2208	rename "$path~", $path;
2209	cf::_exit 0 if defined $pid;
2210	}
2211	}	3196	{
		3197	my $faces = $facedata->{faceinfo};
2212		3198
2213	my $dirty;	3199	while (my ($face, $info) = each %$faces) {
		3200	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2214		3201
2215	sub db_sync() {	3202	cf::face::set_visibility $idx, $info->{visibility};
2216	db_save if $dirty;	3203	cf::face::set_magicmap $idx, $info->{magicmap};
2217	undef $dirty;	3204	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2218	}	3205	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2219		3206
2220	my $idle = Event->idle (	3207	cf::cede_to_tick;
2221	reentrant => 0,
2222	min => 10,
2223	max => 20,
2224	repeat => 0,
2225	data => WF_AUTOCANCEL,
2226	cb => \&db_sync,
2227	);
2228
2229	sub db_dirty() {
2230	$dirty = 1;
2231	$idle->start;
2232	}
2233
2234	sub db_get($;$) {
2235	@_ >= 2
2236	? $DB->{$_[0]}{$_[1]}
2237	: ($DB->{$_[0]} ||= { })
2238	}
2239
2240	sub db_put($$;$) {
2241	if (@_ >= 3) {
2242	$DB->{$_[0]}{$_[1]} = $_[2];
2243	} else {
2244	$DB->{$_[0]} = $_[1];
2245	}
2246	db_dirty;
2247	}
2248
2249	cf::global->attach (
2250	prio => 10000,
2251	on_cleanup => sub {
2252	db_sync;
2253	},	3208	}
2254	);
2255	}
2256		3209
2257	#############################################################################	3210	while (my ($face, $info) = each %$faces) {
2258	# the server's main()	3211	next unless $info->{smooth};
2259		3212
2260	sub cfg_load {	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
		3304	sub load_resource_file($) {
		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"
		3320	or die "unable to load regions file\n";
		3321
		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 {
2261	open my $fh, "<:utf8", cf::confdir . "/config"	3355	open my $fh, "<:utf8", "$CONFDIR/config"
2262	or return;	3356	or return;
2263		3357
2264	local $/;	3358	local $/;
2265	*CFG = YAML::Syck::Load <$fh>;	3359	*CFG = YAML::Load <$fh>;
2266		3360
2267	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3361	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2268		3362
2269	$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};
2270	$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};
…		…
2276	};	3370	};
2277	warn $@ if $@;	3371	warn $@ if $@;
2278	}	3372	}
2279	}	3373	}
2280		3374
		3375	sub pidfile() {
		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 $$;
		3392	}
		3393
2281	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
2282	# we must not ever block the main coroutine	3410	# we must not ever block the main coroutine
2283	local $Coro::idle = sub {	3411	local $Coro::idle = sub {
2284	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#
2285	(async {	3413	(async {
2286	Event::one_event;	3414	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3415	EV::loop EV::LOOP_ONESHOT;
2287	})->prio (Coro::PRIO_MAX);	3416	})->prio (Coro::PRIO_MAX);
2288	};	3417	};
2289		3418
2290	cfg_load;	3419	evthread_start IO::AIO::poll_fileno;
2291	db_load;	3420
		3421	cf::sync_job {
		3422	reload_resources;
		3423	reload_config;
		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
2292	load_extensions;	3437	load_extensions;
2293		3438
2294	$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
2295	Event::loop;	3447	EV::loop;
2296	}	3448	}
2297		3449
2298	#############################################################################	3450	#############################################################################
2299	# initialisation and cleanup	3451	# initialisation and cleanup
2300		3452
2301	# install some emergency cleanup handlers	3453	# install some emergency cleanup handlers
2302	BEGIN {	3454	BEGIN {
		3455	our %SIGWATCHER = ();
2303	for my $signal (qw(INT HUP TERM)) {	3456	for my $signal (qw(INT HUP TERM)) {
2304	Event->signal (	3457	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2305	reentrant => 0,
2306	data => WF_AUTOCANCEL,
2307	signal => $signal,
2308	prio => 0,
2309	cb => sub {
2310	cf::cleanup "SIG$signal";	3458	cf::cleanup "SIG$signal";
2311	},
2312	);	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
2313	}	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 };
2314	}	3547	}
2315		3548
2316	sub emergency_save() {	3549	sub emergency_save() {
2317	my $freeze_guard = cf::freeze_mainloop;	3550	my $freeze_guard = cf::freeze_mainloop;
2318		3551
2319	warn "enter emergency perl save\n";	3552	warn "emergency_perl_save: enter\n";
2320		3553
2321	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
2322	# use a peculiar iteration method to avoid tripping on perl	3560	# use a peculiar iteration method to avoid tripping on perl
2323	# refcount bugs in for. also avoids problems with players	3561	# refcount bugs in for. also avoids problems with players
2324	# and maps saved/destroyed asynchronously.	3562	# and maps saved/destroyed asynchronously.
2325	warn "begin emergency player save\n";	3563	warn "emergency_perl_save: begin player save\n";
2326	for my $login (keys %cf::PLAYER) {	3564	for my $login (keys %cf::PLAYER) {
2327	my $pl = $cf::PLAYER{$login} or next;	3565	my $pl = $cf::PLAYER{$login} or next;
2328	$pl->valid or next;	3566	$pl->valid or next;
		3567	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2329	$pl->save;	3568	$pl->save;
2330	}	3569	}
2331	warn "end emergency player save\n";	3570	warn "emergency_perl_save: end player save\n";
2332		3571
2333	warn "begin emergency map save\n";	3572	warn "emergency_perl_save: begin map save\n";
2334	for my $path (keys %cf::MAP) {	3573	for my $path (keys %cf::MAP) {
2335	my $map = $cf::MAP{$path} or next;	3574	my $map = $cf::MAP{$path} or next;
2336	$map->valid or next;	3575	$map->valid or next;
2337	$map->save;	3576	$map->save;
2338	}	3577	}
2339	warn "end emergency map save\n";	3578	warn "emergency_perl_save: end map save\n";
		3579
		3580	warn "emergency_perl_save: begin database checkpoint\n";
		3581	BDB::db_env_txn_checkpoint $DB_ENV;
		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";
2340	};	3587	};
2341		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
2342	warn "leave emergency perl save\n";	3594	warn "emergency_perl_save: leave\n";
2343	}	3595	}
2344		3596
		3597	sub post_cleanup {
		3598	my ($make_core) = @_;
		3599
		3600	warn Carp::longmess "post_cleanup backtrace"
		3601	if $make_core;
		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 $pkg\n";#d#
		3631	}
		3632
2345	sub reload() {	3633	sub do_reload_perl() {
2346	# can/must only be called in main	3634	# can/must only be called in main
2347	if ($Coro::current != $Coro::main) {	3635	if ($Coro::current != $Coro::main) {
2348	warn "can only reload from main coroutine";	3636	warn "can only reload from main coroutine";
2349	return;	3637	return;
2350	}	3638	}
2351		3639
		3640	return if $RELOAD++;
		3641
		3642	my $t1 = EV::time;
		3643
		3644	while ($RELOAD) {
2352	warn "reloading...";	3645	warn "reloading...";
2353		3646
2354	warn "cancelling server ticker";	3647	warn "entering sync_job";
2355	$TICK_WATCHER->cancel;
2356		3648
		3649	cf::sync_job {
		3650	cf::write_runtime_sync; # external watchdog should not bark
2357	cf::emergency_save;	3651	cf::emergency_save;
		3652	cf::write_runtime_sync; # external watchdog should not bark
2358		3653
2359	eval {	3654	warn "syncing database to disk";
		3655	BDB::db_env_txn_checkpoint $DB_ENV;
		3656
2360	# 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
2361		3658
2362	warn "syncing database to disk";
2363	cf::db_sync;
2364
2365	warn "cancelling all WF_AUTOCANCEL watchers";
2366	for (Event::all_watchers) {
2367	$_->cancel if $_->data & WF_AUTOCANCEL;
2368	}
2369
2370	warn "flushing outstanding aio requests";	3659	warn "flushing outstanding aio requests";
2371	for (;;) {	3660	while (IO::AIO::nreqs || BDB::nreqs) {
2372	IO::AIO::flush;	3661	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2373	Coro::cede;
2374	last unless IO::AIO::nreqs;
2375	warn "iterate...";
2376	}
2377
2378	warn "cancelling all extension coros";
2379	$_->cancel for values %EXT_CORO;
2380	%EXT_CORO = ();
2381
2382	warn "removing commands";
2383	%COMMAND = ();
2384
2385	warn "removing ext commands";
2386	%EXTCMD = ();
2387
2388	warn "unloading/nuking all extensions";
2389	for my $pkg (@EXTS) {
2390	warn "... unloading $pkg";
2391
2392	if (my $cb = $pkg->can ("unload")) {
2393	eval {
2394	$cb->($pkg);
2395	1
2396	} or warn "$pkg unloaded, but with errors: $@";
2397	}	3662	}
2398		3663
2399	warn "... nuking $pkg";	3664	warn "cancelling all extension coros";
2400	Symbol::delete_package $pkg;	3665	$_->cancel for values %EXT_CORO;
2401	}	3666	%EXT_CORO = ();
2402		3667
2403	warn "unloading all perl modules loaded from $LIBDIR";	3668	warn "removing commands";
2404	while (my ($k, $v) = each %INC) {	3669	%COMMAND = ();
2405	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2406		3670
		3671	warn "removing ext/exti commands";
		3672	%EXTCMD = ();
		3673	%EXTICMD = ();
		3674
		3675	warn "unloading/nuking all extensions";
		3676	for my $pkg (@EXTS) {
2407	warn "... unloading $k";	3677	warn "... unloading $pkg";
2408	delete $INC{$k};
2409		3678
2410	$k =~ s/\.pm$//;
2411	$k =~ s/\//::/g;
2412
2413	if (my $cb = $k->can ("unload_module")) {	3679	if (my $cb = $pkg->can ("unload")) {
		3680	eval {
2414	$cb->();	3681	$cb->($pkg);
		3682	1
		3683	} or warn "$pkg unloaded, but with errors: $@";
		3684	}
		3685
		3686	warn "... clearing $pkg";
		3687	clear_package $pkg;
2415	}	3688	}
2416		3689
2417	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 $k;
2418	}	3705	}
2419		3706
2420	warn "getting rid of safe::, as good as possible";	3707	warn "getting rid of safe::, as good as possible";
2421	Symbol::delete_package "safe::$_"	3708	clear_package "safe::$_"
2422	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);
2423		3710
2424	warn "unloading cf.pm \"a bit\"";	3711	warn "unloading cf.pm \"a bit\"";
2425	delete $INC{"cf.pm"};	3712	delete $INC{"cf.pm"};
		3713	delete $INC{"cf/pod.pm"};
2426		3714
2427	# don't, removes xs symbols, too,	3715	# don't, removes xs symbols, too,
2428	# and global variables created in xs	3716	# and global variables created in xs
2429	#Symbol::delete_package __PACKAGE__;	3717	#clear_package __PACKAGE__;
2430		3718
2431	warn "unload completed, starting to reload now";	3719	warn "unload completed, starting to reload now";
2432		3720
2433	warn "reloading cf.pm";	3721	warn "reloading cf.pm";
2434	require cf;	3722	require cf;
2435	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3723	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2436		3724
2437	warn "loading config and database again";	3725	warn "loading config and database again";
2438	cf::cfg_load;	3726	cf::reload_config;
2439	cf::db_load;
2440		3727
2441	warn "loading extensions";	3728	warn "loading extensions";
2442	cf::load_extensions;	3729	cf::load_extensions;
2443		3730
		3731	if ($REATTACH_ON_RELOAD) {
2444	warn "reattaching attachments to objects/players";	3732	warn "reattaching attachments to objects/players";
2445	_global_reattach;	3733	_global_reattach; # objects, sockets
2446	warn "reattaching attachments to maps";	3734	warn "reattaching attachments to maps";
2447	reattach $_ for values %MAP;	3735	reattach $_ for values %MAP;
		3736	warn "reattaching attachments to players";
		3737	reattach $_ for values %PLAYER;
		3738	}
2448		3739
2449	warn "restarting server ticker";	3740	warn "running post_init jobs";
		3741	(pop @POST_INIT)->(1) while @POST_INIT;
2450		3742
2451	$TICK_WATCHER->start;	3743	warn "leaving sync_job";
		3744
		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 $RELOAD_WATCHER;
		3771	};
2452	};	3772	};
2453		3773	}
2454	if ($@) {
2455	warn $@;
2456	warn "error while reloading, exiting.";
2457	exit 1;
2458	}
2459
2460	warn "reloaded";
2461	};
2462
2463	our $RELOAD_WATCHER; # used only during reload
2464		3774
2465	register_command "reload" => sub {	3775	register_command "reload" => sub {
2466	my ($who, $arg) = @_;	3776	my ($who, $arg) = @_;
2467		3777
2468	if ($who->flag (FLAG_WIZ)) {	3778	if ($who->flag (FLAG_WIZ)) {
2469	$who->message ("reloading server.");	3779	$who->message ("reloading server.");
2470		3780	async {
2471	# doing reload synchronously and two reloads happen back-to-back,	3781	$Coro::current->{desc} = "perl_reload";
2472	# coro crashes during coro_state_free->destroy here.
2473
2474	$RELOAD_WATCHER ||= Event->timer (
2475	reentrant => 0,
2476	after => 0,
2477	data => WF_AUTOCANCEL,
2478	cb => sub {
2479	reload;	3782	reload_perl;
2480	undef $RELOAD_WATCHER;
2481	},
2482	);	3783	};
2483	}	3784	}
2484	};	3785	};
2485		3786
2486	unshift @INC, $LIBDIR;	3787	unshift @INC, $LIBDIR;
2487		3788
2488	my $bug_warning = 0;	3789	my $bug_warning = 0;
2489		3790
2490	$TICK_WATCHER = Event->timer (	3791	our @WAIT_FOR_TICK;
2491	reentrant => 0,	3792	our @WAIT_FOR_TICK_BEGIN;
2492	parked => 1,	3793
2493	prio => 0,	3794	sub wait_for_tick {
2494	at => $NEXT_TICK || $TICK,	3795	return if tick_inhibit || $Coro::current == $Coro::main;
2495	data => WF_AUTOCANCEL,	3796
2496	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	$signal->wait;
		3808	}
		3809
		3810	sub tick {
2497	if ($Coro::current != $Coro::main) {	3811	if ($Coro::current != $Coro::main) {
2498	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3812	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2499	unless ++$bug_warning > 10;	3813	unless ++$bug_warning > 10;
2500	return;	3814	return;
2501	}	3815	}
2502		3816
2503	$NOW = Event::time;
2504
2505	cf::server_tick; # one server iteration	3817	cf::server_tick; # one server iteration
2506	$RUNTIME += $TICK;
2507	$NEXT_TICK += $TICK;
2508		3818
2509	$WAIT_FOR_TICK->broadcast;	3819	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2510	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3820	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2511		3821	Coro::async_pool {
2512	Event::sweep;	3822	$Coro::current->{desc} = "runtime saver";
2513	Coro::cede_notself;
2514
2515	# my $AFTER = Event::time;
2516	# warn $AFTER - $NOW;#d#
2517
2518	# if we are delayed by four ticks or more, skip them all
2519	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2520
2521	$TICK_WATCHER->at ($NEXT_TICK);
2522	$TICK_WATCHER->start;
2523	},
2524	);
2525
2526	IO::AIO::max_poll_time $TICK * 0.1;
2527
2528	undef $Coro::AIO::WATCHER;
2529	$AIO_POLL_WATCHER = Event->io (
2530	reentrant => 0,
2531	fd => IO::AIO::poll_fileno,
2532	poll => 'r',
2533	prio => 6,
2534	data => WF_AUTOCANCEL,
2535	cb => \&IO::AIO::poll_cb,
2536	);
2537
2538	$WRITE_RUNTIME_WATCHER = Event->timer (
2539	reentrant => 0,
2540	data => WF_AUTOCANCEL,
2541	after => 1,
2542	interval => 10,
2543	prio => 6, # keep it lowest so it acts like a watchdog
2544	cb => Coro::unblock_sub {
2545	write_runtime	3823	write_runtime_sync
2546	or warn "ERROR: unable to write runtime file: $!";	3824	or warn "ERROR: unable to write runtime file: $!";
		3825	};
2547	},	3826	}
2548	);	3827
		3828	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		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#
		3843	}
		3844	}
		3845	}
		3846
		3847	{
		3848	# configure BDB
		3849
		3850	BDB::min_parallel 8;
		3851	BDB::max_poll_reqs $TICK * 0.1;
		3852	$AnyEvent::BDB::WATCHER->priority (1);
		3853
		3854	unless ($DB_ENV) {
		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);
		3861
		3862	cf::sync_job {
		3863	eval {
		3864	BDB::db_env_open
		3865	$DB_ENV,
		3866	$BDBDIR,
		3867	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3868	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3869	0666;
		3870
		3871	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3872	};
		3873
		3874	cf::cleanup "db_env_open(db): $@" if $@;
		3875	};
		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	};
		3887	}
		3888
		3889	{
		3890	# configure IO::AIO
		3891
		3892	IO::AIO::min_parallel 8;
		3893	IO::AIO::max_poll_time $TICK * 0.1;
		3894	undef $AnyEvent::AIO::WATCHER;
		3895	}
		3896
		3897	my $_log_backtrace;
		3898
		3899	sub _log_backtrace {
		3900	my ($msg, @addr) = @_;
		3901
		3902	$msg =~ s/\n//;
		3903
		3904	# limit the # of concurrent backtraces
		3905	if ($_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";
		3936	}
		3937	}
		3938
		3939	# load additional modules
		3940	use cf::pod;
2549		3941
2550	END { cf::emergency_save }	3942	END { cf::emergency_save }
2551		3943
2552	1	3944	1
2553		3945

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