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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.201 by root, Mon Jan 29 18:15:23 2007 UTC vs.
Revision 1.473 by root, Fri Jun 26 16:32:10 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict qw(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 on
		111
		112	our $BDB_DEADLOCK_WATCHER;
		113	our $BDB_CHECKPOINT_WATCHER;
		114	our $BDB_TRICKLE_WATCHER;
		115	our $DB_ENV;
		116
		117	our @EXTRA_MODULES = qw(pod mapscript);
53		118
54	our %CFG;	119	our %CFG;
55		120
56	our $UPTIME; $UPTIME ||= time;	121	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	122	our $RUNTIME;
		123	our $NOW;
58		124
59	our %PLAYER; # all users	125	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	126	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	127	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		128
67	# used to convert map paths into valid unix filenames by replacing / by ∕	129	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	130	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		131
		132	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		133	our $LOADAVG; # same thing, but with alpha-smoothing
		134	our $JITTER; # average jitter
		135	our $TICK_START; # for load detecting purposes
		136
		137	our @POST_INIT;
		138
		139	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
		140
70	binmode STDOUT;	141	binmode STDOUT;
71	binmode STDERR;	142	binmode STDERR;
72		143
73	# read virtual server time, if available	144	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	145	unless ($RUNTIME || !-e $RUNTIMEFILE) {
75	open my $fh, "<", cf::localdir . "/runtime"	146	open my $fh, "<", $RUNTIMEFILE
76	or die "unable to read runtime file: $!";	147	or die "unable to read $RUNTIMEFILE file: $!";
77	$RUNTIME = <$fh> + 0.;	148	$RUNTIME = <$fh> + 0.;
78	}	149	}
79		150
80	mkdir cf::localdir;	151	eval "sub TICK() { $TICK } 1" or die;
81	mkdir cf::localdir . "/" . cf::playerdir;	152
82	mkdir cf::localdir . "/" . cf::tmpdir;	153	mkdir $_
83	mkdir cf::localdir . "/" . cf::uniquedir;	154	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
84	mkdir $RANDOM_MAPS;
85		155
86	our $EMERGENCY_POSITION;	156	our $EMERGENCY_POSITION;
87		157
88	sub cf::map::normalise;	158	sub cf::map::normalise;
89		159
…		…
100	=item $cf::RUNTIME	170	=item $cf::RUNTIME
101		171
102	The time this server has run, starts at 0 and is increased by $cf::TICK on	172	The time this server has run, starts at 0 and is increased by $cf::TICK on
103	every server tick.	173	every server tick.
104		174
105	=item $cf::LIBDIR	175	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		176	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		177	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
106		178
107	The perl library directory, where extensions and cf-specific modules can	179	Various directories - "/etc", read-only install directory, perl-library
108	be found. It will be added to C<@INC> automatically.	180	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		181	unique-items directory, player file directory, random maps directory and
		182	database environment.
109		183
110	=item $cf::NOW	184	=item $cf::NOW
111		185
112	The time of the last (current) server tick.	186	The time of the last (current) server tick.
113		187
114	=item $cf::TICK	188	=item $cf::TICK
115		189
116	The interval between server ticks, in seconds.	190	The interval between server ticks, in seconds.
117		191
		192	=item $cf::LOADAVG
		193
		194	The current CPU load on the server (alpha-smoothed), as a value between 0
		195	(none) and 1 (overloaded), indicating how much time is spent on processing
		196	objects per tick. Healthy values are < 0.5.
		197
		198	=item $cf::LOAD
		199
		200	The raw value load value from the last tick.
		201
118	=item %cf::CFG	202	=item %cf::CFG
119		203
120	Configuration for the server, loaded from C</etc/crossfire/config>, or	204	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
121	from wherever your confdir points to.	205	from wherever your confdir points to.
122		206
123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	207	=item cf::wait_for_tick, cf::wait_for_tick_begin
124		208
125	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	209	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	210	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	211	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.	212
		213	=item @cf::INVOKE_RESULTS
		214
		215	This array contains the results of the last C<invoke ()> call. When
		216	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		217	that call.
129		218
130	=back	219	=back
131		220
132	=cut	221	=cut
133		222
134	BEGIN {	223	BEGIN {
135	*CORE::GLOBAL::warn = sub {	224	*CORE::GLOBAL::warn = sub {
136	my $msg = join "", @_;	225	my $msg = join "", @_;
137	utf8::encode $msg;
138		226
139	$msg .= "\n"	227	$msg .= "\n"
140	unless $msg =~ /\n$/;	228	unless $msg =~ /\n$/;
141		229
		230	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		231
142	LOG llevError, $msg;	232	LOG llevError, $msg;
143	};	233	};
144	}	234	}
		235
		236	$Coro::State::DIEHOOK = sub {
		237	return unless $^S eq 0; # "eq", not "=="
		238
		239	if ($Coro::current == $Coro::main) {#d#
		240	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		241	return;#d#
		242	}#d#
		243
		244	# kill coroutine otherwise
		245	warn Carp::longmess $_[0];
		246	Coro::terminate
		247	};
		248
		249	$SIG{__DIE__} = sub { }; #d#?
145		250
146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	251	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	252	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	253	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	254	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	255	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		256	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
151	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	257	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
152		258
153	# we bless all objects into (empty) derived classes to force a method lookup	259	# we bless all objects into (empty) derived classes to force a method lookup
154	# within the Safe compartment.	260	# within the Safe compartment.
155	for my $pkg (qw(	261	for my $pkg (qw(
156	cf::global cf::attachable	262	cf::global cf::attachable
157	cf::object cf::object::player	263	cf::object cf::object::player
158	cf::client cf::player	264	cf::client cf::player
159	cf::arch cf::living	265	cf::arch cf::living
		266	cf::map cf::mapspace
160	cf::map cf::party cf::region	267	cf::party cf::region
161	)) {	268	)) {
162	no strict 'refs';
163	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	269	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
164	}	270	}
165		271
166	$Event::DIED = sub {	272	$EV::DIED = sub {
167	warn "error in event callback: @_";	273	warn "error in event callback: @_";
168	};	274	};
		275
		276	#############################################################################
169		277
170	=head2 UTILITY FUNCTIONS	278	=head2 UTILITY FUNCTIONS
171		279
172	=over 4	280	=over 4
173		281
…		…
192	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	300	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
193	$d	301	$d
194	} || "[unable to dump $_[0]: '$@']";	302	} || "[unable to dump $_[0]: '$@']";
195	}	303	}
196		304
197	use JSON::Syck (); # TODO# replace by JSON::PC once working
198
199	=item $ref = cf::from_json $json	305	=item $ref = cf::decode_json $json
200		306
201	Converts a JSON string into the corresponding perl data structure.	307	Converts a JSON string into the corresponding perl data structure.
202		308
203	=cut
204
205	sub from_json($) {
206	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207	JSON::Syck::Load $_[0]
208	}
209
210	=item $json = cf::to_json $ref	309	=item $json = cf::encode_json $ref
211		310
212	Converts a perl data structure into its JSON representation.	311	Converts a perl data structure into its JSON representation.
213		312
214	=cut	313	=cut
215		314
216	sub to_json($) {	315	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	316
218	JSON::Syck::Dump $_[0]	317	sub encode_json($) { $json_coder->encode ($_[0]) }
		318	sub decode_json($) { $json_coder->decode ($_[0]) }
		319
		320	=item cf::post_init { BLOCK }
		321
		322	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		323	but I<before> the server starts ticking again.
		324
		325	The cdoeblock will have a single boolean argument to indicate whether this
		326	is a reload or not.
		327
		328	=cut
		329
		330	sub post_init(&) {
		331	push @POST_INIT, shift;
219	}	332	}
220		333
221	=item cf::lock_wait $string	334	=item cf::lock_wait $string
222		335
223	Wait until the given lock is available. See cf::lock_acquire.	336	Wait until the given lock is available. See cf::lock_acquire.
224		337
225	=item my $lock = cf::lock_acquire $string	338	=item my $lock = cf::lock_acquire $string
226		339
227	Wait until the given lock is available and then acquires it and returns	340	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,	341	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	342	for example when the coroutine gets canceled), the lock is automatically
230	returned.	343	returned.
231		344
		345	Locks are *not* recursive, locking from the same coro twice results in a
		346	deadlocked coro.
		347
232	Lock names should begin with a unique identifier (for example, cf::map::find	348	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	349	uses map_find and cf::map::load uses map_load).
234		350
235	=cut	351	=item $locked = cf::lock_active $string
236		352
237	our %LOCK;	353	Return true if the lock is currently active, i.e. somebody has locked it.
		354
		355	=cut
		356
		357	our $LOCKS = new Coro::SemaphoreSet;
238		358
239	sub lock_wait($) {	359	sub lock_wait($) {
240	my ($key) = @_;	360	$LOCKS->wait ($_[0]);
241
242	# wait for lock, if any
243	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;
246	}
247	}	361	}
248		362
249	sub lock_acquire($) {	363	sub lock_acquire($) {
250	my ($key) = @_;	364	$LOCKS->guard ($_[0])
		365	}
251		366
252	# wait, to be sure we are not locked	367	sub lock_active($) {
253	lock_wait $key;	368	$LOCKS->count ($_[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	}	369	}
262		370
263	sub freeze_mainloop {	371	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	372	tick_inhibit_inc;
265		373
266	my $guard = Coro::guard {	374	&Guard::guard (\&tick_inhibit_dec);
267	$TICK_WATCHER->start;	375	}
268	$WRITE_RUNTIME_WATCHER->start;	376
		377	=item cf::periodic $interval, $cb
		378
		379	Like EV::periodic, but randomly selects a starting point so that the actions
		380	get spread over timer.
		381
		382	=cut
		383
		384	sub periodic($$) {
		385	my ($interval, $cb) = @_;
		386
		387	my $start = rand List::Util::min 180, $interval;
		388
		389	EV::periodic $start, $interval, 0, $cb
		390	}
		391
		392	=item cf::get_slot $time[, $priority[, $name]]
		393
		394	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		395	This call blocks and returns only when you have at least C<$time> seconds
		396	of cpu time till the next tick. The slot is only valid till the next cede.
		397
		398	The optional C<$name> can be used to identify the job to run. It might be
		399	used for statistical purposes and should identify the same time-class.
		400
		401	Useful for short background jobs.
		402
		403	=cut
		404
		405	our @SLOT_QUEUE;
		406	our $SLOT_QUEUE;
		407
		408	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		409	$SLOT_QUEUE = Coro::async {
		410	$Coro::current->desc ("timeslot manager");
		411
		412	my $signal = new Coro::Signal;
		413
		414	while () {
		415	next_job:
		416	my $avail = cf::till_tick;
		417	if ($avail > 0.01) {
		418	for (0 .. $#SLOT_QUEUE) {
		419	if ($SLOT_QUEUE[$_][0] < $avail) {
		420	my $job = splice @SLOT_QUEUE, $_, 1, ();
		421	$job->[2]->send;
		422	Coro::cede;
		423	goto next_job;
		424	}
		425	}
		426	}
		427
		428	if (@SLOT_QUEUE) {
		429	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		430	push @cf::WAIT_FOR_TICK, $signal;
		431	$signal->wait;
		432	} else {
		433	Coro::schedule;
		434	}
269	};	435	}
270	$WRITE_RUNTIME_WATCHER->stop;	436	};
271	$TICK_WATCHER->stop;	437
272	$guard	438	sub get_slot($;$$) {
		439	return if tick_inhibit || $Coro::current == $Coro::main;
		440
		441	my ($time, $pri, $name) = @_;
		442
		443	$time = $TICK * .6 if $time > $TICK * .6;
		444	my $sig = new Coro::Signal;
		445
		446	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		447	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		448	$SLOT_QUEUE->ready;
		449	$sig->wait;
273	}	450	}
274		451
275	=item cf::async { BLOCK }	452	=item cf::async { BLOCK }
276		453
277	Currently the same as Coro::async_pool, meaning you cannot use	454	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		459
283	BEGIN { *async = \&Coro::async_pool }	460	BEGIN { *async = \&Coro::async_pool }
284		461
285	=item cf::sync_job { BLOCK }	462	=item cf::sync_job { BLOCK }
286		463
287	The design of crossfire+ requires that the main coro ($Coro::main) is	464	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	465	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	466	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		467	acceptable.
290		468
291	If it must be done, put the blocking parts into C<sync_job>. This will run	469	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	470	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	471	server will be frozen during this time, so the block should either finish
294	fast or be very important.	472	fast or be very important.
…		…
297		475
298	sub sync_job(&) {	476	sub sync_job(&) {
299	my ($job) = @_;	477	my ($job) = @_;
300		478
301	if ($Coro::current == $Coro::main) {	479	if ($Coro::current == $Coro::main) {
		480	my $time = EV::time;
		481
302	# this is the main coro, too bad, we have to block	482	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	483	# till the operation succeeds, freezing the server :/
304		484
305	# TODO: use suspend/resume instead	485	LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	486
307	my $freeze_guard = freeze_mainloop;	487	my $freeze_guard = freeze_mainloop;
308		488
309	my $busy = 1;	489	my $busy = 1;
310	my @res;	490	my @res;
311		491
312	(async {	492	(async {
		493	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	494	@res = eval { $job->() };
314	warn $@ if $@;	495	warn $@ if $@;
315	undef $busy;	496	undef $busy;
316	})->prio (Coro::PRIO_MAX);	497	})->prio (Coro::PRIO_MAX);
317		498
318	while ($busy) {	499	while ($busy) {
319	Coro::cede or Event::one_event;	500	if (Coro::nready) {
		501	Coro::cede_notself;
		502	} else {
		503	EV::loop EV::LOOP_ONESHOT;
320	}	504	}
		505	}
		506
		507	my $time = EV::time - $time;
		508
		509	$TICK_START += $time; # do not account sync jobs to server load
321		510
322	wantarray ? @res : $res[0]	511	wantarray ? @res : $res[0]
323	} else {	512	} else {
324	# we are in another coroutine, how wonderful, everything just works	513	# we are in another coroutine, how wonderful, everything just works
325		514
…		…
345	$EXT_CORO{$coro+0} = $coro;	534	$EXT_CORO{$coro+0} = $coro;
346		535
347	$coro	536	$coro
348	}	537	}
349		538
350	sub write_runtime {	539	=item fork_call { }, $args
351	my $runtime = cf::localdir . "/runtime";
352		540
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	541	Executes the given code block with the given arguments in a seperate
354	or return;	542	process, returning the results. Everything must be serialisable with
		543	Coro::Storable. May, of course, block. Note that the executed sub may
		544	never block itself or use any form of event handling.
355		545
356	my $value = $cf::RUNTIME + 90 + 10;	546	=cut
357	# 10 is the runtime save interval, for a monotonic clock
358	# 60 allows for the watchdog to kill the server.
359		547
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	548	sub fork_call(&@) {
361	and return;	549	my ($cb, @args) = @_;
362		550
363	aio_fsync $fh	551	# we seemingly have to make a local copy of the whole thing,
364	and return;	552	# otherwise perl prematurely frees the stuff :/
		553	# TODO: investigate and fix (likely this will be rather laborious)
365		554
366	close $fh	555	my @res = Coro::Util::fork_eval {
367	or return;	556	reset_signals;
		557	&$cb
		558	}, @args;
368		559
369	aio_rename "$runtime~", $runtime	560	wantarray ? @res : $res[-1]
370	and return;	561	}
371		562
		563	=item $coin = coin_from_name $name
		564
		565	=cut
		566
		567	our %coin_alias = (
		568	"silver" => "silvercoin",
		569	"silvercoin" => "silvercoin",
		570	"silvercoins" => "silvercoin",
		571	"gold" => "goldcoin",
		572	"goldcoin" => "goldcoin",
		573	"goldcoins" => "goldcoin",
		574	"platinum" => "platinacoin",
		575	"platinumcoin" => "platinacoin",
		576	"platinumcoins" => "platinacoin",
		577	"platina" => "platinacoin",
		578	"platinacoin" => "platinacoin",
		579	"platinacoins" => "platinacoin",
		580	"royalty" => "royalty",
		581	"royalties" => "royalty",
		582	);
		583
		584	sub coin_from_name($) {
		585	$coin_alias{$_[0]}
		586	? cf::arch::find $coin_alias{$_[0]}
		587	: undef
		588	}
		589
		590	=item $value = cf::db_get $family => $key
		591
		592	Returns a single value from the environment database.
		593
		594	=item cf::db_put $family => $key => $value
		595
		596	Stores the given C<$value> in the family. It can currently store binary
		597	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		598
		599	=item $db = cf::db_table "name"
		600
		601	Create and/or open a new database table. The string must not be "db" and must be unique
		602	within each server.
		603
		604	=cut
		605
		606	sub db_table($) {
		607	my ($name) = @_;
		608	my $db = BDB::db_create $DB_ENV;
		609
		610	eval {
		611	$db->set_flags (BDB::CHKSUM);
		612
		613	utf8::encode $name;
		614	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		615	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		616	cf::cleanup "db_open(db): $!" if $!;
		617	};
		618	cf::cleanup "db_open(db): $@" if $@;
		619
		620	$db
		621	}
		622
		623	our $DB;
		624
		625	sub db_init {
		626	cf::sync_job {
		627	$DB ||= db_table "db";
		628	};
		629	}
		630
		631	sub db_get($$) {
		632	my $key = "$_[0]/$_[1]";
		633
		634	cf::sync_job {
		635	BDB::db_get $DB, undef, $key, my $data;
		636
		637	$! ? ()
		638	: $data
372	1	639	}
		640	}
		641
		642	sub db_put($$$) {
		643	BDB::dbreq_pri 4;
		644	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		645	}
		646
		647	=item cf::cache $id => [$paths...], $processversion => $process
		648
		649	Generic caching function that returns the value of the resource $id,
		650	caching and regenerating as required.
		651
		652	This function can block.
		653
		654	=cut
		655
		656	sub cache {
		657	my ($id, $src, $processversion, $process) = @_;
		658
		659	my $meta =
		660	join "\x00",
		661	$processversion,
		662	map {
		663	aio_stat $_
		664	and Carp::croak "$_: $!";
		665
		666	($_, (stat _)[7,9])
		667	} @$src;
		668
		669	my $dbmeta = db_get cache => "$id/meta";
		670	if ($dbmeta ne $meta) {
		671	# changed, we may need to process
		672
		673	my @data;
		674	my $md5;
		675
		676	for (0 .. $#$src) {
		677	0 <= aio_load $src->[$_], $data[$_]
		678	or Carp::croak "$src->[$_]: $!";
		679	}
		680
		681	# if processing is expensive, check
		682	# checksum first
		683	if (1) {
		684	$md5 =
		685	join "\x00",
		686	$processversion,
		687	map {
		688	cf::cede_to_tick;
		689	($src->[$_], Digest::MD5::md5_hex $data[$_])
		690	} 0.. $#$src;
		691
		692
		693	my $dbmd5 = db_get cache => "$id/md5";
		694	if ($dbmd5 eq $md5) {
		695	db_put cache => "$id/meta", $meta;
		696
		697	return db_get cache => "$id/data";
		698	}
		699	}
		700
		701	my $t1 = Time::HiRes::time;
		702	my $data = $process->(\@data);
		703	my $t2 = Time::HiRes::time;
		704
		705	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		706
		707	db_put cache => "$id/data", $data;
		708	db_put cache => "$id/md5" , $md5;
		709	db_put cache => "$id/meta", $meta;
		710
		711	return $data;
		712	}
		713
		714	db_get cache => "$id/data"
		715	}
		716
		717	=item cf::datalog type => key => value, ...
		718
		719	Log a datalog packet of the given type with the given key-value pairs.
		720
		721	=cut
		722
		723	sub datalog($@) {
		724	my ($type, %kv) = @_;
		725	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
373	}	726	}
374		727
375	=back	728	=back
376		729
377	=cut	730	=cut
378		731
379	#############################################################################	732	#############################################################################
380		733
381	=head2 ATTACHABLE OBJECTS	734	=head2 ATTACHABLE OBJECTS
382		735
383	Many objects in crossfire are so-called attachable objects. That means you can	736	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")	737	attach callbacks/event handlers (a collection of which is called an "attachment")
385	to it. All such attachable objects support the following methods.	738	to it. All such attachable objects support the following methods.
386		739
387	In the following description, CLASS can be any of C<global>, C<object>	740	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	741	C<player>, C<client> or C<map> (i.e. the attachable objects in
389	crossfire+).	742	Deliantra).
390		743
391	=over 4	744	=over 4
392		745
393	=item $attachable->attach ($attachment, key => $value...)	746	=item $attachable->attach ($attachment, key => $value...)
394		747
…		…
438	=item cf::CLASS::attachment $name, ...	791	=item cf::CLASS::attachment $name, ...
439		792
440	Register an attachment by C<$name> through which attachable objects of the	793	Register an attachment by C<$name> through which attachable objects of the
441	given CLASS can refer to this attachment.	794	given CLASS can refer to this attachment.
442		795
443	Some classes such as crossfire maps and objects can specify attachments	796	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.	797	that are attached at load/instantiate time, thus the need for a name.
445		798
446	These calls expect any number of the following handler/hook descriptions:	799	These calls expect any number of the following handler/hook descriptions:
447		800
448	=over 4	801	=over 4
…		…
557	$registry = $CB_TYPE[$object_type] ||= [];	910	$registry = $CB_TYPE[$object_type] ||= [];
558		911
559	} elsif ($type eq "subtype") {	912	} elsif ($type eq "subtype") {
560	defined $object_type or Carp::croak "subtype specified without type";	913	defined $object_type or Carp::croak "subtype specified without type";
561	my $object_subtype = shift @arg;	914	my $object_subtype = shift @arg;
562	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	915	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563		916
564	} elsif ($type eq "package") {	917	} elsif ($type eq "package") {
565	my $pkg = shift @arg;	918	my $pkg = shift @arg;
566		919
567	while (my ($name, $id) = each %cb_id) {	920	while (my ($name, $id) = each %cb_id) {
…		…
596	_attach $registry, $klass, @attach;	949	_attach $registry, $klass, @attach;
597	}	950	}
598		951
599	$obj->{$name} = \%arg;	952	$obj->{$name} = \%arg;
600	} else {	953	} else {
601	warn "object uses attachment '$name' that is not available, postponing.\n";	954	warn "object uses attachment '$name' which is not available, postponing.\n";
602	}	955	}
603		956
604	$obj->{_attachment}{$name} = undef;	957	$obj->{_attachment}{$name} = undef;
605	}	958	}
606		959
…		…
608	if (ref $_[0]) {	961	if (ref $_[0]) {
609	_object_attach @_;	962	_object_attach @_;
610	} else {	963	} else {
611	_attach shift->_attach_registry, @_;	964	_attach shift->_attach_registry, @_;
612	}	965	}
		966	_recalc_want;
613	};	967	};
614		968
615	# all those should be optimised	969	# all those should be optimised
616	sub cf::attachable::detach {	970	sub cf::attachable::detach {
617	my ($obj, $name) = @_;	971	my ($obj, $name) = @_;
…		…
620	delete $obj->{_attachment}{$name};	974	delete $obj->{_attachment}{$name};
621	reattach ($obj);	975	reattach ($obj);
622	} else {	976	} else {
623	Carp::croak "cannot, currently, detach class attachments";	977	Carp::croak "cannot, currently, detach class attachments";
624	}	978	}
		979	_recalc_want;
625	};	980	};
626		981
627	sub cf::attachable::attached {	982	sub cf::attachable::attached {
628	my ($obj, $name) = @_;	983	my ($obj, $name) = @_;
629		984
…		…
644	";	999	";
645	die if $@;	1000	die if $@;
646	}	1001	}
647		1002
648	our $override;	1003	our $override;
649	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1004	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
650		1005
651	sub override {	1006	sub override {
652	$override = 1;	1007	$override = 1;
653	@invoke_results = ();	1008	@INVOKE_RESULTS = (@_);
654	}	1009	}
655		1010
656	sub do_invoke {	1011	sub do_invoke {
657	my $event = shift;	1012	my $event = shift;
658	my $callbacks = shift;	1013	my $callbacks = shift;
659		1014
660	@invoke_results = ();	1015	@INVOKE_RESULTS = ();
661		1016
662	local $override;	1017	local $override;
663		1018
664	for (@$callbacks) {	1019	for (@$callbacks) {
665	eval { &{$_->[1]} };	1020	eval { &{$_->[1]} };
…		…
674	}	1029	}
675		1030
676	0	1031	0
677	}	1032	}
678		1033
679	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1034	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
680		1035
681	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1036	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
682		1037
683	Generate an object-specific event with the given arguments.	1038	Generate an object-specific event with the given arguments.
684		1039
685	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1040	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	1041	removed in future versions), and there is no public API to access override
687	results (if you must, access C<@cf::invoke_results> directly).	1042	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
688		1043
689	=back	1044	=back
690		1045
691	=cut	1046	=cut
692		1047
693	#############################################################################	1048	#############################################################################
694	# object support	1049	# object support
		1050
		1051	sub _object_equal($$);
		1052	sub _object_equal($$) {
		1053	my ($a, $b) = @_;
		1054
		1055	return 0 unless (ref $a) eq (ref $b);
		1056
		1057	if ("HASH" eq ref $a) {
		1058	my @ka = keys %$a;
		1059	my @kb = keys %$b;
		1060
		1061	return 0 if @ka != @kb;
		1062
		1063	for (0 .. $#ka) {
		1064	return 0 unless $ka[$_] eq $kb[$_];
		1065	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1066	}
		1067
		1068	} elsif ("ARRAY" eq ref $a) {
		1069
		1070	return 0 if @$a != @$b;
		1071
		1072	for (0 .. $#$a) {
		1073	return 0 unless _object_equal $a->[$_], $b->[$_];
		1074	}
		1075
		1076	} elsif ($a ne $b) {
		1077	return 0;
		1078	}
		1079
		1080	1
		1081	}
		1082
		1083	our $SLOW_MERGES;#d#
		1084	sub _can_merge {
		1085	my ($ob1, $ob2) = @_;
		1086
		1087	++$SLOW_MERGES;#d#
		1088
		1089	# we do the slow way here
		1090	return _object_equal $ob1, $ob2
		1091	}
695		1092
696	sub reattach {	1093	sub reattach {
697	# basically do the same as instantiate, without calling instantiate	1094	# basically do the same as instantiate, without calling instantiate
698	my ($obj) = @_;	1095	my ($obj) = @_;
699		1096
		1097	# no longer needed after getting rid of delete_package?
700	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1098	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
701		1099
702	my $registry = $obj->registry;	1100	my $registry = $obj->registry;
703		1101
704	@$registry = ();	1102	@$registry = ();
705		1103
…		…
720	cf::attachable->attach (	1118	cf::attachable->attach (
721	prio => -1000000,	1119	prio => -1000000,
722	on_instantiate => sub {	1120	on_instantiate => sub {
723	my ($obj, $data) = @_;	1121	my ($obj, $data) = @_;
724		1122
725	$data = from_json $data;	1123	$data = decode_json $data;
726		1124
727	for (@$data) {	1125	for (@$data) {
728	my ($name, $args) = @$_;	1126	my ($name, $args) = @$_;
729		1127
730	$obj->attach ($name, %{$args || {} });	1128	$obj->attach ($name, %{$args || {} });
…		…
746	sub object_freezer_save {	1144	sub object_freezer_save {
747	my ($filename, $rdata, $objs) = @_;	1145	my ($filename, $rdata, $objs) = @_;
748		1146
749	sync_job {	1147	sync_job {
750	if (length $$rdata) {	1148	if (length $$rdata) {
		1149	utf8::decode (my $decname = $filename);
751	warn sprintf "saving %s (%d,%d)\n",	1150	warn sprintf "saving %s (%d,%d)\n",
752	$filename, length $$rdata, scalar @$objs;	1151	$decname, length $$rdata, scalar @$objs;
753		1152
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1153	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	1154	aio_chmod $fh, SAVE_MODE;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1155	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1156	if ($cf::USE_FSYNC) {
		1157	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
757	aio_fsync $fh;	1158	aio_fsync $fh;
		1159	}
758	close $fh;	1160	aio_close $fh;
759		1161
760	if (@$objs) {	1162	if (@$objs) {
761	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1163	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
762	chmod SAVE_MODE, $fh;	1164	aio_chmod $fh, SAVE_MODE;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	1165	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	1166	aio_write $fh, 0, (length $data), $data, 0;
		1167	if ($cf::USE_FSYNC) {
		1168	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
765	aio_fsync $fh;	1169	aio_fsync $fh;
		1170	}
766	close $fh;	1171	aio_close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	1172	aio_rename "$filename.pst~", "$filename.pst";
768	}	1173	}
769	} else {	1174	} else {
770	aio_unlink "$filename.pst";	1175	aio_unlink "$filename.pst";
771	}	1176	}
772		1177
773	aio_rename "$filename~", $filename;	1178	aio_rename "$filename~", $filename;
		1179
		1180	$filename =~ s%/[^/]+$%%;
		1181	aio_pathsync $filename if $cf::USE_FSYNC;
774	} else {	1182	} else {
775	warn "FATAL: $filename~: $!\n";	1183	warn "unable to save objects: $filename~: $!\n";
776	}	1184	}
777	} else {	1185	} else {
778	aio_unlink $filename;	1186	aio_unlink $filename;
779	aio_unlink "$filename.pst";	1187	aio_unlink "$filename.pst";
780	}	1188	}
781
782	#d##TODO# nuke non .map-files if exist
783	if ($filename =~ s/\.map$//) {
784	aio_unlink $filename;
785	aio_unlink "$filename.pst";
786	}
787	}	1189	};
788	}	1190	}
789		1191
790	sub object_freezer_as_string {	1192	sub object_freezer_as_string {
791	my ($rdata, $objs) = @_;	1193	my ($rdata, $objs) = @_;
792		1194
…		…
797		1199
798	sub object_thawer_load {	1200	sub object_thawer_load {
799	my ($filename) = @_;	1201	my ($filename) = @_;
800		1202
801	my ($data, $av);	1203	my ($data, $av);
802
803	#d#TODO remove .map if file does not exist
804	aio_stat $filename and $filename =~ s/\.map$//;
805		1204
806	(aio_load $filename, $data) >= 0	1205	(aio_load $filename, $data) >= 0
807	or return;	1206	or return;
808		1207
809	unless (aio_stat "$filename.pst") {	1208	unless (aio_stat "$filename.pst") {
810	(aio_load "$filename.pst", $av) >= 0	1209	(aio_load "$filename.pst", $av) >= 0
811	or return;	1210	or return;
		1211
812	$av = eval { (Storable::thaw $av)->{objs} };	1212	my $st = eval { Coro::Storable::thaw $av };
		1213	$av = $st->{objs};
813	}	1214	}
814		1215
		1216	utf8::decode (my $decname = $filename);
815	warn sprintf "loading %s (%d)\n",	1217	warn sprintf "loading %s (%d,%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	1218	$decname, length $data, scalar @{$av || []};
		1219
817	return ($data, $av);	1220	($data, $av)
818	}	1221	}
		1222
		1223	=head2 COMMAND CALLBACKS
		1224
		1225	=over 4
		1226
		1227	=cut
819		1228
820	#############################################################################	1229	#############################################################################
821	# command handling &c	1230	# command handling &c
822		1231
823	=item cf::register_command $name => \&callback($ob,$args);	1232	=item cf::register_command $name => \&callback($ob,$args);
…		…
836	push @{ $COMMAND{$name} }, [$caller, $cb];	1245	push @{ $COMMAND{$name} }, [$caller, $cb];
837	}	1246	}
838		1247
839	=item cf::register_extcmd $name => \&callback($pl,$packet);	1248	=item cf::register_extcmd $name => \&callback($pl,$packet);
840		1249
841	Register a callbackf ro execution when the client sends an extcmd packet.	1250	Register a callback for execution when the client sends an (synchronous)
		1251	extcmd packet. Ext commands will be processed in the order they are
		1252	received by the server, like other user commands. The first argument is
		1253	the logged-in player. Ext commands can only be processed after a player
		1254	has logged in successfully.
842		1255
843	If the callback returns something, it is sent back as if reply was being	1256	If the callback returns something, it is sent back as if reply was being
844	called.	1257	called.
845		1258
		1259	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1260
		1261	Register a callback for execution when the client sends an (asynchronous)
		1262	exticmd packet. Exti commands are processed by the server as soon as they
		1263	are received, i.e. out of order w.r.t. other commands. The first argument
		1264	is a client socket. Exti commands can be received anytime, even before
		1265	log-in.
		1266
		1267	If the callback returns something, it is sent back as if reply was being
		1268	called.
		1269
846	=cut	1270	=cut
847		1271
848	sub register_extcmd {	1272	sub register_extcmd {
849	my ($name, $cb) = @_;	1273	my ($name, $cb) = @_;
850		1274
851	$EXTCMD{$name} = $cb;	1275	$EXTCMD{$name} = $cb;
852	}	1276	}
		1277
		1278	sub register_exticmd {
		1279	my ($name, $cb) = @_;
		1280
		1281	$EXTICMD{$name} = $cb;
		1282	}
		1283
		1284	use File::Glob ();
853		1285
854	cf::player->attach (	1286	cf::player->attach (
855	on_command => sub {	1287	on_command => sub {
856	my ($pl, $name, $params) = @_;	1288	my ($pl, $name, $params) = @_;
857		1289
…		…
865	cf::override;	1297	cf::override;
866	},	1298	},
867	on_extcmd => sub {	1299	on_extcmd => sub {
868	my ($pl, $buf) = @_;	1300	my ($pl, $buf) = @_;
869		1301
870	my $msg = eval { from_json $buf };	1302	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871		1303
872	if (ref $msg) {	1304	if (ref $msg) {
		1305	my ($type, $reply, @payload) =
		1306	"ARRAY" eq ref $msg
		1307	? @$msg
		1308	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1309
		1310	my @reply;
		1311
873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1312	if (my $cb = $EXTCMD{$type}) {
874	if (my %reply = $cb->($pl, $msg)) {	1313	@reply = $cb->($pl, @payload);
875	$pl->ext_reply ($msg->{msgid}, %reply);
876	}
877	}	1314	}
		1315
		1316	$pl->ext_reply ($reply, @reply)
		1317	if $reply;
		1318
878	} else {	1319	} else {
879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1320	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
880	}	1321	}
881		1322
882	cf::override;	1323	cf::override;
883	},	1324	},
884	);	1325	);
885		1326
		1327	# "readahead" all extensions
886	sub load_extension {	1328	sub cache_extensions {
887	my ($path) = @_;	1329	my $grp = IO::AIO::aio_group;
888		1330
889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1331	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
890	my $base = $1;	1332	for (grep /\.ext$/, @{$_[0]}) {
891	my $pkg = $1;	1333	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
892	$pkg =~ s/[^[:word:]]/_/g;
893	$pkg = "ext::$pkg";
894
895	warn "... loading '$path' into '$pkg'\n";
896
897	open my $fh, "<:utf8", $path
898	or die "$path: $!";
899
900	my $source =
901	"package $pkg; use strict; use utf8;\n"
902	. "#line 1 \"$path\"\n{\n"
903	. (do { local $/; <$fh> })
904	. "\n};\n1";
905
906	unless (eval $source) {
907	my $msg = $@ ? "$path: $@\n"
908	: "extension disabled.\n";
909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
910	warn $@;
911	warn "mandatory extension failed to load, exiting.\n";
912	exit 1;
913	}	1334	}
914	die $@;
915	}	1335	};
916		1336
917	push @EXTS, $pkg;	1337	$grp
918	}	1338	}
919		1339
920	sub load_extensions {	1340	sub load_extensions {
		1341	cf::sync_job {
		1342	my %todo;
		1343
921	for my $ext (<$LIBDIR/*.ext>) {	1344	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1345	next unless -r $path;
923	eval {	1346
924	load_extension $ext;	1347	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1348	my $base = $1;
		1349	my $pkg = $1;
		1350	$pkg =~ s/[^[:word:]]/_/g;
		1351	$pkg = "ext::$pkg";
		1352
		1353	open my $fh, "<:utf8", $path
		1354	or die "$path: $!";
		1355
		1356	my $source = do { local $/; <$fh> };
		1357
		1358	my %ext = (
		1359	path => $path,
		1360	base => $base,
		1361	pkg => $pkg,
		1362	);
		1363
		1364	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1365	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1366
		1367	$ext{source} =
		1368	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1369	. "#line 1 \"$path\"\n{\n"
		1370	. $source
		1371	. "\n};\n1";
		1372
		1373	$todo{$base} = \%ext;
		1374	}
		1375
		1376	my %done;
		1377	while (%todo) {
		1378	my $progress;
		1379
		1380	while (my ($k, $v) = each %todo) {
		1381	for (split /,\s*/, $v->{meta}{depends}) {
		1382	goto skip
		1383	unless exists $done{$_};
		1384	}
		1385
		1386	warn "... loading '$k' into '$v->{pkg}'\n";
		1387
		1388	unless (eval $v->{source}) {
		1389	my $msg = $@ ? "$v->{path}: $@\n"
		1390	: "$v->{base}: extension inactive.\n";
		1391
		1392	if (exists $v->{meta}{mandatory}) {
		1393	warn $msg;
		1394	cf::cleanup "mandatory extension failed to load, exiting.";
		1395	}
		1396
		1397	warn $msg;
		1398	}
		1399
		1400	$done{$k} = delete $todo{$k};
		1401	push @EXTS, $v->{pkg};
		1402	$progress = 1;
925	1	1403	}
926	} or warn "$ext not loaded: $@";	1404
		1405	skip:
		1406	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1407	unless $progress;
		1408	}
927	}	1409	};
928	}	1410	}
929		1411
930	#############################################################################	1412	#############################################################################
931		1413
		1414	=back
		1415
932	=head2 CORE EXTENSIONS	1416	=head2 CORE EXTENSIONS
933		1417
934	Functions and methods that extend core crossfire objects.	1418	Functions and methods that extend core deliantra objects.
935		1419
936	=cut	1420	=cut
937		1421
938	package cf::player;	1422	package cf::player;
939		1423
…		…
941		1425
942	=head3 cf::player	1426	=head3 cf::player
943		1427
944	=over 4	1428	=over 4
945		1429
		1430	=item cf::player::num_playing
		1431
		1432	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1433
		1434	=cut
		1435
		1436	sub num_playing {
		1437	scalar grep
		1438	$_->ob->map
		1439	&& !$_->hidden
		1440	&& !$_->ob->flag (cf::FLAG_WIZ),
		1441	cf::player::list
		1442	}
		1443
946	=item cf::player::find $login	1444	=item cf::player::find $login
947		1445
948	Returns the given player object, loading it if necessary (might block).	1446	Returns the given player object, loading it if necessary (might block).
949		1447
950	=cut	1448	=cut
951		1449
952	sub playerdir($) {	1450	sub playerdir($) {
953	cf::localdir	1451	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1452	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1453	}
959		1454
960	sub path($) {	1455	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1456	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1457
963	(playerdir $login) . "/$login.pl"	1458	(playerdir $login) . "/playerdata"
964	}	1459	}
965		1460
966	sub find_active($) {	1461	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1462	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1463	and $cf::PLAYER{$_[0]}->active
…		…
971		1466
972	sub exists($) {	1467	sub exists($) {
973	my ($login) = @_;	1468	my ($login) = @_;
974		1469
975	$cf::PLAYER{$login}	1470	$cf::PLAYER{$login}
976	or cf::sync_job { !aio_stat path $login }	1471	or !aio_stat path $login
977	}	1472	}
978		1473
979	sub find($) {	1474	sub find($) {
980	return $cf::PLAYER{$_[0]} || do {	1475	return $cf::PLAYER{$_[0]} || do {
981	my $login = $_[0];	1476	my $login = $_[0];
982		1477
983	my $guard = cf::lock_acquire "user_find:$login";	1478	my $guard = cf::lock_acquire "user_find:$login";
984		1479
985	$cf::PLAYER{$_[0]} || do {	1480	$cf::PLAYER{$_[0]} || do {
986	my $pl = load_pl path $login	1481	# rename old playerfiles to new ones
		1482	#TODO: remove when no longer required
		1483	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1484	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1485	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1486	aio_unlink +(playerdir $login) . "/$login.pl";
		1487
		1488	my $f = new_from_file cf::object::thawer path $login
987	or return;	1489	or return;
		1490
		1491	my $pl = cf::player::load_pl $f
		1492	or return;
		1493
		1494	local $cf::PLAYER_LOADING{$login} = $pl;
		1495	$f->resolve_delayed_derefs;
988	$cf::PLAYER{$login} = $pl	1496	$cf::PLAYER{$login} = $pl
989	}	1497	}
990	}	1498	}
991	}	1499	}
992		1500
…		…
1001	return if $pl->{deny_save};	1509	return if $pl->{deny_save};
1002		1510
1003	aio_mkdir playerdir $pl, 0770;	1511	aio_mkdir playerdir $pl, 0770;
1004	$pl->{last_save} = $cf::RUNTIME;	1512	$pl->{last_save} = $cf::RUNTIME;
1005		1513
		1514	cf::get_slot 0.01;
		1515
1006	$pl->save_pl ($path);	1516	$pl->save_pl ($path);
1007	Coro::cede;	1517	cf::cede_to_tick;
1008	}	1518	}
1009		1519
1010	sub new($) {	1520	sub new($) {
1011	my ($login) = @_;	1521	my ($login) = @_;
1012		1522
…		…
1018	$cf::PLAYER{$login} = $self;	1528	$cf::PLAYER{$login} = $self;
1019		1529
1020	$self	1530	$self
1021	}	1531	}
1022		1532
		1533	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1534
		1535	=cut
		1536
		1537	sub send_msg {
		1538	my $ns = shift->ns
		1539	or return;
		1540	$ns->send_msg (@_);
		1541	}
		1542
1023	=item $pl->quit_character	1543	=item $pl->quit_character
1024		1544
1025	Nukes the player without looking back. If logged in, the connection will	1545	Nukes the player without looking back. If logged in, the connection will
1026	be destroyed. May block for a long time.	1546	be destroyed. May block for a long time.
1027		1547
1028	=cut	1548	=cut
1029		1549
1030	sub quit_character {	1550	sub quit_character {
1031	my ($pl) = @_;	1551	my ($pl) = @_;
1032		1552
		1553	my $name = $pl->ob->name;
		1554
1033	$pl->{deny_save} = 1;	1555	$pl->{deny_save} = 1;
1034	$pl->password ("*"); # this should lock out the player until we nuked the dir	1556	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1035		1557
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1558	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1037	$pl->deactivate;	1559	$pl->deactivate;
		1560	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1561	$pl->ob->check_score;
1038	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1562	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1039	$pl->ns->destroy if $pl->ns;	1563	$pl->ns->destroy if $pl->ns;
1040		1564
1041	my $path = playerdir $pl;	1565	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1566	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1567	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1568	delete $cf::PLAYER{$pl->ob->name};
1045	$pl->destroy;	1569	$pl->destroy;
		1570
		1571	my $prefix = qr<^~\Q$name\E/>;
		1572
		1573	# nuke player maps
		1574	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1575
1046	IO::AIO::aio_rmtree $temp;	1576	IO::AIO::aio_rmtree $temp;
		1577	}
		1578
		1579	=item $pl->kick
		1580
		1581	Kicks a player out of the game. This destroys the connection.
		1582
		1583	=cut
		1584
		1585	sub kick {
		1586	my ($pl, $kicker) = @_;
		1587
		1588	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1589	$pl->killer ("kicked");
		1590	$pl->ns->destroy;
1047	}	1591	}
1048		1592
1049	=item cf::player::list_logins	1593	=item cf::player::list_logins
1050		1594
1051	Returns am arrayref of all valid playernames in the system, can take a	1595	Returns am arrayref of all valid playernames in the system, can take a
1052	while and may block, so not sync_job-capable, ever.	1596	while and may block, so not sync_job-capable, ever.
1053		1597
1054	=cut	1598	=cut
1055		1599
1056	sub list_logins {	1600	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1601	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1602	or return [];
1059		1603
1060	my @logins;	1604	my @logins;
1061		1605
1062	for my $login (@$dirs) {	1606	for my $login (@$dirs) {
		1607	my $path = path $login;
		1608
		1609	# a .pst is a dead give-away for a valid player
		1610	# if no pst file found, open and chekc for blocked users
		1611	if (aio_stat "$path.pst") {
1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1612	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1064	aio_read $fh, 0, 512, my $buf, 0 or next;	1613	aio_read $fh, 0, 512, my $buf, 0 or next;
1065	$buf !~ /^password -------------$/m or next; # official not-valid tag	1614	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1615	}
1066		1616
1067	utf8::decode $login;	1617	utf8::decode $login;
1068	push @logins, $login;	1618	push @logins, $login;
1069	}	1619	}
1070		1620
…		…
1097	}	1647	}
1098		1648
1099	\@paths	1649	\@paths
1100	}	1650	}
1101		1651
		1652	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1653
		1654	Expand deliantra pod fragments into protocol xml.
		1655
1102	=item $player->ext_reply ($msgid, $msgtype, %msg)	1656	=item $player->ext_reply ($msgid, @msg)
1103		1657
1104	Sends an ext reply to the player.	1658	Sends an ext reply to the player.
1105		1659
1106	=cut	1660	=cut
1107		1661
1108	sub ext_reply($$$%) {	1662	sub ext_reply($$@) {
1109	my ($self, $id, %msg) = @_;	1663	my ($self, $id, @msg) = @_;
1110		1664
1111	$msg{msgid} = $id;	1665	$self->ns->ext_reply ($id, @msg)
1112
1113	$self->send ("ext " . cf::to_json \%msg);
1114	}	1666	}
1115		1667
1116	package cf;	1668	=item $player->ext_msg ($type, @msg)
		1669
		1670	Sends an ext event to the client.
		1671
		1672	=cut
		1673
		1674	sub ext_msg($$@) {
		1675	my ($self, $type, @msg) = @_;
		1676
		1677	$self->ns->ext_msg ($type, @msg);
		1678	}
		1679
		1680	=head3 cf::region
		1681
		1682	=over 4
		1683
		1684	=cut
		1685
		1686	package cf::region;
		1687
		1688	=item cf::region::find_by_path $path
		1689
		1690	Tries to decuce the likely region for a map knowing only its path.
		1691
		1692	=cut
		1693
		1694	sub find_by_path($) {
		1695	my ($path) = @_;
		1696
		1697	my ($match, $specificity);
		1698
		1699	for my $region (list) {
		1700	if ($region->{match} && $path =~ $region->{match}) {
		1701	($match, $specificity) = ($region, $region->specificity)
		1702	if $region->specificity > $specificity;
		1703	}
		1704	}
		1705
		1706	$match
		1707	}
1117		1708
1118	=back	1709	=back
1119
1120		1710
1121	=head3 cf::map	1711	=head3 cf::map
1122		1712
1123	=over 4	1713	=over 4
1124		1714
…		…
1136	our $MAX_RESET = 3600;	1726	our $MAX_RESET = 3600;
1137	our $DEFAULT_RESET = 3000;	1727	our $DEFAULT_RESET = 3000;
1138		1728
1139	sub generate_random_map {	1729	sub generate_random_map {
1140	my ($self, $rmp) = @_;	1730	my ($self, $rmp) = @_;
		1731
		1732	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1733
1141	# mit "rum" bekleckern, nicht	1734	# mit "rum" bekleckern, nicht
1142	$self->_create_random_map (	1735	$self->_create_random_map (
1143	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1736	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1144	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1737	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1145	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1738	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1179	my ($self, $merge) = @_;	1772	my ($self, $merge) = @_;
1180		1773
1181	# we have to keep some variables in memory intact	1774	# we have to keep some variables in memory intact
1182	local $self->{path};	1775	local $self->{path};
1183	local $self->{load_path};	1776	local $self->{load_path};
1184	local $self->{deny_save};
1185	local $self->{deny_reset};
1186		1777
1187	$self->SUPER::thawer_merge ($merge);	1778	$self->SUPER::thawer_merge ($merge);
1188	}	1779	}
1189		1780
1190	sub normalise {	1781	sub normalise {
…		…
1237	$self->init; # pass $1 etc.	1828	$self->init; # pass $1 etc.
1238	return $self;	1829	return $self;
1239	}	1830	}
1240	}	1831	}
1241		1832
1242	Carp::carp "unable to resolve path '$path' (base '$base').";	1833	Carp::cluck "unable to resolve path '$path' (base '$base').";
1243	()	1834	()
1244	}	1835	}
1245		1836
1246	sub init {	1837	sub init {
1247	my ($self) = @_;	1838	my ($self) = @_;
…		…
1262		1853
1263	# the original (read-only) location	1854	# the original (read-only) location
1264	sub load_path {	1855	sub load_path {
1265	my ($self) = @_;	1856	my ($self) = @_;
1266		1857
1267	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1858	"$MAPDIR/$self->{path}.map"
1268	}	1859	}
1269		1860
1270	# the temporary/swap location	1861	# the temporary/swap location
1271	sub save_path {	1862	sub save_path {
1272	my ($self) = @_;	1863	my ($self) = @_;
1273		1864
1274	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1865	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1275	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1866	"$TMPDIR/$path.map"
1276	}	1867	}
1277		1868
1278	# the unique path, undef == no special unique path	1869	# the unique path, undef == no special unique path
1279	sub uniq_path {	1870	sub uniq_path {
1280	my ($self) = @_;	1871	my ($self) = @_;
1281		1872
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1873	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1283	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1874	"$UNIQUEDIR/$path"
1284	}	1875	}
1285		1876
1286	# and all this just because we cannot iterate over	1877	sub decay_objects {
1287	# all maps in C++...
1288	sub change_all_map_light {
1289	my ($change) = @_;	1878	my ($self) = @_;
1290		1879
1291	$_->change_map_light ($change)	1880	return if $self->{deny_reset};
1292	for grep $_->outdoor, values %cf::MAP;	1881
		1882	$self->do_decay_objects;
1293	}	1883	}
1294		1884
1295	sub unlink_save {	1885	sub unlink_save {
1296	my ($self) = @_;	1886	my ($self) = @_;
1297		1887
1298	utf8::encode (my $save = $self->save_path);	1888	utf8::encode (my $save = $self->save_path);
1299	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1889	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1300	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1890	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1301
1302	#d#TODO remove .map and also nuke
1303	$save =~ s/\.map// or return;#d#
1304	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1305	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1306	}	1891	}
1307		1892
1308	sub load_header_from($) {	1893	sub load_header_from($) {
1309	my ($self, $path) = @_;	1894	my ($self, $path) = @_;
1310		1895
1311	utf8::encode $path;	1896	utf8::encode $path;
1312	#aio_open $path, O_RDONLY, 0	1897	my $f = new_from_file cf::object::thawer $path
1313	# or return;
1314
1315	$self->_load_header ($path)
1316	or return;	1898	or return;
		1899
		1900	$self->_load_header ($f)
		1901	or return;
		1902
		1903	local $MAP_LOADING{$self->{path}} = $self;
		1904	$f->resolve_delayed_derefs;
1317		1905
1318	$self->{load_path} = $path;	1906	$self->{load_path} = $path;
1319		1907
1320	1	1908	1
1321	}	1909	}
…		…
1360	$self->load_header_orig	1948	$self->load_header_orig
1361	or return;	1949	or return;
1362	$self->prepare_orig;	1950	$self->prepare_orig;
1363	}	1951	}
1364		1952
		1953	$self->{deny_reset} = 1
		1954	if $self->no_reset;
		1955
		1956	$self->default_region (cf::region::find_by_path $self->{path})
		1957	unless $self->default_region;
		1958
1365	1	1959	1
1366	}	1960	}
1367		1961
1368	sub find;	1962	sub find;
1369	sub find {	1963	sub find {
1370	my ($path, $origin) = @_;	1964	my ($path, $origin) = @_;
1371		1965
1372	$path = normalise $path, $origin && $origin->path;	1966	$path = normalise $path, $origin && $origin->path;
1373		1967
		1968	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1374	cf::lock_wait "map_find:$path";	1969	my $guard2 = cf::lock_acquire "map_find:$path";
1375		1970
1376	$cf::MAP{$path} || do {	1971	$cf::MAP{$path} || do {
1377	my $guard = cf::lock_acquire "map_find:$path";
1378	my $map = new_from_path cf::map $path	1972	my $map = new_from_path cf::map $path
1379	or return;	1973	or return;
1380		1974
1381	$map->{last_save} = $cf::RUNTIME;	1975	$map->{last_save} = $cf::RUNTIME;
1382		1976
1383	$map->load_header	1977	$map->load_header
1384	or return;	1978	or return;
1385		1979
1386	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1980	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1387	# doing this can freeze the server in a sync job, obviously	1981	# doing this can freeze the server in a sync job, obviously
1388	#$cf::WAIT_FOR_TICK->wait;	1982	#$cf::WAIT_FOR_TICK->wait;
		1983	undef $guard2;
		1984	undef $guard1;
1389	$map->reset;	1985	$map->reset;
1390	undef $guard;
1391	return find $path;	1986	return find $path;
1392	}	1987	}
1393		1988
1394	$cf::MAP{$path} = $map	1989	$cf::MAP{$path} = $map
1395	}	1990	}
…		…
1402	my ($self) = @_;	1997	my ($self) = @_;
1403		1998
1404	local $self->{deny_reset} = 1; # loading can take a long time	1999	local $self->{deny_reset} = 1; # loading can take a long time
1405		2000
1406	my $path = $self->{path};	2001	my $path = $self->{path};
		2002
		2003	{
1407	my $guard = cf::lock_acquire "map_load:$path";	2004	my $guard = cf::lock_acquire "map_data:$path";
1408		2005
		2006	return unless $self->valid;
1409	return if $self->in_memory != cf::MAP_SWAPPED;	2007	return unless $self->in_memory == cf::MAP_SWAPPED;
1410		2008
1411	$self->in_memory (cf::MAP_LOADING);	2009	$self->in_memory (cf::MAP_LOADING);
1412		2010
1413	$self->alloc;	2011	$self->alloc;
1414		2012
1415	$self->pre_load;	2013	$self->pre_load;
		2014	cf::cede_to_tick;
1416		2015
1417	$self->_load_objects ($self->{load_path}, 1)	2016	my $f = new_from_file cf::object::thawer $self->{load_path};
		2017	$f->skip_block;
		2018	$self->_load_objects ($f)
1418	or return;	2019	or return;
1419		2020
1420	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2021	$self->post_load_original
1421	if delete $self->{load_original};	2022	if delete $self->{load_original};
1422		2023
1423	if (my $uniq = $self->uniq_path) {	2024	if (my $uniq = $self->uniq_path) {
1424	utf8::encode $uniq;	2025	utf8::encode $uniq;
1425	if (aio_open $uniq, O_RDONLY, 0) {	2026	unless (aio_stat $uniq) {
		2027	if (my $f = new_from_file cf::object::thawer $uniq) {
1426	$self->clear_unique_items;	2028	$self->clear_unique_items;
1427	$self->_load_objects ($uniq, 0);	2029	$self->_load_objects ($f);
		2030	$f->resolve_delayed_derefs;
		2031	}
1428	}	2032	}
1429	}	2033	}
1430		2034
1431	Coro::cede;	2035	$f->resolve_delayed_derefs;
1432		2036
		2037	cf::cede_to_tick;
1433	# now do the right thing for maps	2038	# now do the right thing for maps
1434	$self->link_multipart_objects;	2039	$self->link_multipart_objects;
1435
1436	unless ($self->{deny_activate}) {
1437	$self->decay_objects;
1438	$self->fix_auto_apply;
1439	$self->update_buttons;
1440	Coro::cede;
1441	$self->set_darkness_map;
1442	$self->difficulty ($self->estimate_difficulty)	2040	$self->difficulty ($self->estimate_difficulty)
1443	unless $self->difficulty;	2041	unless $self->difficulty;
1444	Coro::cede;	2042	cf::cede_to_tick;
		2043
		2044	unless ($self->{deny_activate}) {
		2045	$self->decay_objects;
		2046	$self->fix_auto_apply;
		2047	$self->update_buttons;
		2048	cf::cede_to_tick;
1445	$self->activate;	2049	$self->activate;
		2050	}
		2051
		2052	$self->{last_save} = $cf::RUNTIME;
		2053	$self->last_access ($cf::RUNTIME);
		2054
		2055	$self->in_memory (cf::MAP_ACTIVE);
1446	}	2056	}
1447		2057
1448	$self->post_load;	2058	$self->post_load;
1449
1450	$self->in_memory (cf::MAP_IN_MEMORY);
1451	}	2059	}
1452		2060
1453	sub customise_for {	2061	sub customise_for {
1454	my ($self, $ob) = @_;	2062	my ($self, $ob) = @_;
1455		2063
1456	return find "~" . $ob->name . "/" . $self->{path}	2064	return find "~" . $ob->name . "/" . $self->{path}
1457	if $self->per_player;	2065	if $self->per_player;
1458		2066
		2067	# return find "?party/" . $ob->name . "/" . $self->{path}
		2068	# if $self->per_party;
		2069
1459	$self	2070	$self
1460	}	2071	}
1461		2072
1462	# find and load all maps in the 3x3 area around a map	2073	# find and load all maps in the 3x3 area around a map
1463	sub load_diag {	2074	sub load_neighbours {
1464	my ($map) = @_;	2075	my ($map) = @_;
1465		2076
1466	my @diag; # diagonal neighbours	2077	my @neigh; # diagonal neighbours
1467		2078
1468	for (0 .. 3) {	2079	for (0 .. 3) {
1469	my $neigh = $map->tile_path ($_)	2080	my $neigh = $map->tile_path ($_)
1470	or next;	2081	or next;
1471	$neigh = find $neigh, $map	2082	$neigh = find $neigh, $map
1472	or next;	2083	or next;
1473	$neigh->load;	2084	$neigh->load;
1474		2085
		2086	push @neigh,
1475	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2087	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1476	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2088	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1477	}	2089	}
1478		2090
1479	for (@diag) {	2091	for (grep defined $_->[0], @neigh) {
		2092	my ($path, $origin) = @$_;
1480	my $neigh = find @$_	2093	my $neigh = find $path, $origin
1481	or next;	2094	or next;
1482	$neigh->load;	2095	$neigh->load;
1483	}	2096	}
1484	}	2097	}
1485		2098
…		…
1490	}	2103	}
1491		2104
1492	sub do_load_sync {	2105	sub do_load_sync {
1493	my ($map) = @_;	2106	my ($map) = @_;
1494		2107
		2108	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2109	if $Coro::current == $Coro::main;
		2110
1495	cf::sync_job { $map->load };	2111	cf::sync_job { $map->load };
1496	}	2112	}
1497		2113
1498	our %MAP_PREFETCH;	2114	our %MAP_PREFETCH;
1499	our $MAP_PREFETCHER = undef;	2115	our $MAP_PREFETCHER = undef;
1500		2116
1501	sub find_async {	2117	sub find_async {
1502	my ($path, $origin) = @_;	2118	my ($path, $origin, $load) = @_;
1503		2119
1504	$path = normalise $path, $origin && $origin->{path};	2120	$path = normalise $path, $origin && $origin->{path};
1505		2121
1506	if (my $map = $cf::MAP{$path}) {	2122	if (my $map = $cf::MAP{$path}) {
1507	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2123	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1508	}	2124	}
1509		2125
1510	undef $MAP_PREFETCH{$path};	2126	$MAP_PREFETCH{$path} |= $load;
		2127
1511	$MAP_PREFETCHER ||= cf::async {	2128	$MAP_PREFETCHER ||= cf::async {
		2129	$Coro::current->{desc} = "map prefetcher";
		2130
1512	while (%MAP_PREFETCH) {	2131	while (%MAP_PREFETCH) {
1513	for my $path (keys %MAP_PREFETCH) {	2132	while (my ($k, $v) = each %MAP_PREFETCH) {
1514	my $map = find $path	2133	if (my $map = find $k) {
1515	or next;
1516	$map->load;	2134	$map->load if $v;
		2135	}
1517		2136
1518	delete $MAP_PREFETCH{$path};	2137	delete $MAP_PREFETCH{$k};
1519	}	2138	}
1520	}	2139	}
1521	undef $MAP_PREFETCHER;	2140	undef $MAP_PREFETCHER;
1522	};	2141	};
1523	$MAP_PREFETCHER->prio (6);	2142	$MAP_PREFETCHER->prio (6);
…		…
1526	}	2145	}
1527		2146
1528	sub save {	2147	sub save {
1529	my ($self) = @_;	2148	my ($self) = @_;
1530		2149
1531	my $lock = cf::lock_acquire "map_data:" . $self->path;	2150	my $lock = cf::lock_acquire "map_data:$self->{path}";
1532		2151
1533	$self->{last_save} = $cf::RUNTIME;	2152	$self->{last_save} = $cf::RUNTIME;
1534		2153
1535	return unless $self->dirty;	2154	return unless $self->dirty;
1536		2155
…		…
1542	return if $self->{deny_save};	2161	return if $self->{deny_save};
1543		2162
1544	local $self->{last_access} = $self->last_access;#d#	2163	local $self->{last_access} = $self->last_access;#d#
1545		2164
1546	cf::async {	2165	cf::async {
		2166	$Coro::current->{desc} = "map player save";
1547	$_->contr->save for $self->players;	2167	$_->contr->save for $self->players;
1548	};	2168	};
		2169
		2170	cf::get_slot 0.02;
1549		2171
1550	if ($uniq) {	2172	if ($uniq) {
1551	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2173	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1552	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2174	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1553	} else {	2175	} else {
…		…
1559	my ($self) = @_;	2181	my ($self) = @_;
1560		2182
1561	# save first because save cedes	2183	# save first because save cedes
1562	$self->save;	2184	$self->save;
1563		2185
1564	my $lock = cf::lock_acquire "map_data:" . $self->path;	2186	my $lock = cf::lock_acquire "map_data:$self->{path}";
1565		2187
1566	return if $self->players;	2188	return if $self->players;
1567	return if $self->in_memory != cf::MAP_IN_MEMORY;	2189	return if $self->in_memory != cf::MAP_ACTIVE;
1568	return if $self->{deny_save};	2190	return if $self->{deny_save};
1569		2191
		2192	$self->in_memory (cf::MAP_SWAPPED);
		2193
		2194	$self->deactivate;
		2195	$_->clear_links_to ($self) for values %cf::MAP;
1570	$self->clear;	2196	$self->clear;
1571	$self->in_memory (cf::MAP_SWAPPED);
1572	}	2197	}
1573		2198
1574	sub reset_at {	2199	sub reset_at {
1575	my ($self) = @_;	2200	my ($self) = @_;
1576		2201
1577	# TODO: safety, remove and allow resettable per-player maps	2202	# TODO: safety, remove and allow resettable per-player maps
1578	return 1e99 if $self->isa ("ext::map_per_player");#d#
1579	return 1e99 if $self->{deny_reset};	2203	return 1e99 if $self->{deny_reset};
1580		2204
1581	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2205	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1582	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2206	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1583		2207
…		…
1594	my ($self) = @_;	2218	my ($self) = @_;
1595		2219
1596	my $lock = cf::lock_acquire "map_data:$self->{path}";	2220	my $lock = cf::lock_acquire "map_data:$self->{path}";
1597		2221
1598	return if $self->players;	2222	return if $self->players;
1599	return if $self->isa ("ext::map_per_player");#d#
1600		2223
1601	warn "resetting map ", $self->path;#d#	2224	warn "resetting map ", $self->path;
		2225
		2226	$self->in_memory (cf::MAP_SWAPPED);
		2227
		2228	# need to save uniques path
		2229	unless ($self->{deny_save}) {
		2230	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2231
		2232	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2233	if $uniq;
		2234	}
1602		2235
1603	delete $cf::MAP{$self->path};	2236	delete $cf::MAP{$self->path};
1604		2237
1605	$self->in_memory (cf::MAP_SWAPPED);	2238	$self->deactivate;
		2239	$_->clear_links_to ($self) for values %cf::MAP;
1606	$self->clear;	2240	$self->clear;
1607
1608	$_->clear_links_to ($self) for values %cf::MAP;
1609		2241
1610	$self->unlink_save;	2242	$self->unlink_save;
1611	$self->destroy;	2243	$self->destroy;
1612	}	2244	}
1613		2245
1614	my $nuke_counter = "aaaa";	2246	my $nuke_counter = "aaaa";
1615		2247
1616	sub nuke {	2248	sub nuke {
1617	my ($self) = @_;	2249	my ($self) = @_;
1618		2250
		2251	{
		2252	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2253
1619	delete $cf::MAP{$self->path};	2254	delete $cf::MAP{$self->path};
1620		2255
1621	$self->unlink_save;	2256	$self->unlink_save;
1622		2257
1623	bless $self, "cf::map";	2258	bless $self, "cf::map";
1624	delete $self->{deny_reset};	2259	delete $self->{deny_reset};
1625	$self->{deny_save} = 1;	2260	$self->{deny_save} = 1;
1626	$self->reset_timeout (1);	2261	$self->reset_timeout (1);
1627	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2262	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1628		2263
1629	$cf::MAP{$self->path} = $self;	2264	$cf::MAP{$self->path} = $self;
		2265	}
1630		2266
1631	$self->reset; # polite request, might not happen	2267	$self->reset; # polite request, might not happen
		2268	}
		2269
		2270	=item $maps = cf::map::tmp_maps
		2271
		2272	Returns an arrayref with all map paths of currently instantiated and saved
		2273	maps. May block.
		2274
		2275	=cut
		2276
		2277	sub tmp_maps() {
		2278	[
		2279	map {
		2280	utf8::decode $_;
		2281	/\.map$/
		2282	? normalise $_
		2283	: ()
		2284	} @{ aio_readdir $TMPDIR or [] }
		2285	]
		2286	}
		2287
		2288	=item $maps = cf::map::random_maps
		2289
		2290	Returns an arrayref with all map paths of currently instantiated and saved
		2291	random maps. May block.
		2292
		2293	=cut
		2294
		2295	sub random_maps() {
		2296	[
		2297	map {
		2298	utf8::decode $_;
		2299	/\.map$/
		2300	? normalise "?random/$_"
		2301	: ()
		2302	} @{ aio_readdir $RANDOMDIR or [] }
		2303	]
1632	}	2304	}
1633		2305
1634	=item cf::map::unique_maps	2306	=item cf::map::unique_maps
1635		2307
1636	Returns an arrayref of paths of all shared maps that have	2308	Returns an arrayref of paths of all shared maps that have
1637	instantiated unique items. May block.	2309	instantiated unique items. May block.
1638		2310
1639	=cut	2311	=cut
1640		2312
1641	sub unique_maps() {	2313	sub unique_maps() {
1642	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2314	[
1643	or return;	2315	map {
1644
1645	my @paths;
1646
1647	for (@$files) {
1648	utf8::decode $_;	2316	utf8::decode $_;
1649	next if /\.pst$/;	2317	s/\.map$//; # TODO future compatibility hack
1650	next unless /^$PATH_SEP/o;	2318	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1651		2319	? ()
1652	push @paths, cf::map::normalise $_;	2320	: normalise $_
		2321	} @{ aio_readdir $UNIQUEDIR or [] }
1653	}	2322	]
1654
1655	\@paths
1656	}	2323	}
1657
1658	package cf;
1659		2324
1660	=back	2325	=back
1661		2326
1662	=head3 cf::object	2327	=head3 cf::object
1663		2328
…		…
1667		2332
1668	=over 4	2333	=over 4
1669		2334
1670	=item $ob->inv_recursive	2335	=item $ob->inv_recursive
1671		2336
1672	Returns the inventory of the object _and_ their inventories, recursively.	2337	Returns the inventory of the object I<and> their inventories, recursively,
		2338	but I<not> the object itself.
1673		2339
1674	=cut	2340	=cut
1675		2341
1676	sub inv_recursive_;	2342	sub inv_recursive_;
1677	sub inv_recursive_ {	2343	sub inv_recursive_ {
…		…
1680		2346
1681	sub inv_recursive {	2347	sub inv_recursive {
1682	inv_recursive_ inv $_[0]	2348	inv_recursive_ inv $_[0]
1683	}	2349	}
1684		2350
		2351	=item $ref = $ob->ref
		2352
		2353	Creates and returns a persistent reference to an object that can be stored as a string.
		2354
		2355	=item $ob = cf::object::deref ($refstring)
		2356
		2357	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2358	even if the object actually exists. May block.
		2359
		2360	=cut
		2361
		2362	sub deref {
		2363	my ($ref) = @_;
		2364
		2365	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2366	my ($uuid, $name) = ($1, $2);
		2367	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2368	or return;
		2369	$pl->ob->uuid eq $uuid
		2370	or return;
		2371
		2372	$pl->ob
		2373	} else {
		2374	warn "$ref: cannot resolve object reference\n";
		2375	undef
		2376	}
		2377	}
		2378
1685	package cf;	2379	package cf;
1686		2380
1687	=back	2381	=back
1688		2382
1689	=head3 cf::object::player	2383	=head3 cf::object::player
…		…
1695	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2389	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1696	can be C<undef>. Does the right thing when the player is currently in a	2390	can be C<undef>. Does the right thing when the player is currently in a
1697	dialogue with the given NPC character.	2391	dialogue with the given NPC character.
1698		2392
1699	=cut	2393	=cut
		2394
		2395	our $SAY_CHANNEL = {
		2396	id => "say",
		2397	title => "Map",
		2398	reply => "say ",
		2399	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2400	};
		2401
		2402	our $CHAT_CHANNEL = {
		2403	id => "chat",
		2404	title => "Chat",
		2405	reply => "chat ",
		2406	tooltip => "Player chat and shouts, global to the server.",
		2407	};
1700		2408
1701	# rough implementation of a future "reply" method that works	2409	# rough implementation of a future "reply" method that works
1702	# with dialog boxes.	2410	# with dialog boxes.
1703	#TODO: the first argument must go, split into a $npc->reply_to ( method	2411	#TODO: the first argument must go, split into a $npc->reply_to ( method
1704	sub cf::object::player::reply($$$;$) {	2412	sub cf::object::player::reply($$$;$) {
…		…
1706		2414
1707	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2415	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1708		2416
1709	if ($self->{record_replies}) {	2417	if ($self->{record_replies}) {
1710	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2418	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2419
1711	} else {	2420	} else {
		2421	my $pl = $self->contr;
		2422
		2423	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2424	my $dialog = $pl->{npc_dialog};
		2425	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2426
		2427	} else {
1712	$msg = $npc->name . " says: $msg" if $npc;	2428	$msg = $npc->name . " says: $msg" if $npc;
1713	$self->message ($msg, $flags);	2429	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2430	}
1714	}	2431	}
		2432	}
		2433
		2434	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2435
		2436	=cut
		2437
		2438	sub cf::object::send_msg {
		2439	my $pl = shift->contr
		2440	or return;
		2441	$pl->send_msg (@_);
1715	}	2442	}
1716		2443
1717	=item $player_object->may ("access")	2444	=item $player_object->may ("access")
1718		2445
1719	Returns wether the given player is authorized to access resource "access"	2446	Returns wether the given player is authorized to access resource "access"
…		…
1732		2459
1733	=item $player_object->enter_link	2460	=item $player_object->enter_link
1734		2461
1735	Freezes the player and moves him/her to a special map (C<{link}>).	2462	Freezes the player and moves him/her to a special map (C<{link}>).
1736		2463
1737	The player should be reasonably safe there for short amounts of time. You	2464	The player should be reasonably safe there for short amounts of time (e.g.
1738	I<MUST> call C<leave_link> as soon as possible, though.	2465	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2466	though, as the palyer cannot control the character while it is on the link
		2467	map.
1739		2468
1740	Will never block.	2469	Will never block.
1741		2470
1742	=item $player_object->leave_link ($map, $x, $y)	2471	=item $player_object->leave_link ($map, $x, $y)
1743		2472
…		…
1766	$self->deactivate_recursive;	2495	$self->deactivate_recursive;
1767		2496
1768	return if UNIVERSAL::isa $self->map, "ext::map_link";	2497	return if UNIVERSAL::isa $self->map, "ext::map_link";
1769		2498
1770	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2499	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1771	if $self->map;	2500	if $self->map && $self->map->{path} ne "{link}";
1772		2501
1773	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2502	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1774	}	2503	}
1775		2504
1776	sub cf::object::player::leave_link {	2505	sub cf::object::player::leave_link {
1777	my ($self, $map, $x, $y) = @_;	2506	my ($self, $map, $x, $y) = @_;
		2507
		2508	return unless $self->contr->active;
1778		2509
1779	my $link_pos = delete $self->{_link_pos};	2510	my $link_pos = delete $self->{_link_pos};
1780		2511
1781	unless ($map) {	2512	unless ($map) {
1782	# restore original map position	2513	# restore original map position
…		…
1796	# use -1 or undef as default coordinates, not 0, 0	2527	# use -1 or undef as default coordinates, not 0, 0
1797	($x, $y) = ($map->enter_x, $map->enter_y)	2528	($x, $y) = ($map->enter_x, $map->enter_y)
1798	if $x <=0 && $y <= 0;	2529	if $x <=0 && $y <= 0;
1799		2530
1800	$map->load;	2531	$map->load;
1801	$map->load_diag;	2532	$map->load_neighbours;
1802		2533
1803	return unless $self->contr->active;	2534	return unless $self->contr->active;
		2535	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1804	$self->activate_recursive;	2536	$self->activate_recursive;
		2537
		2538	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1805	$self->enter_map ($map, $x, $y);	2539	$self->enter_map ($map, $x, $y);
1806	}	2540	}
1807		2541
1808	cf::player->attach (	2542	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1809	on_logout => sub {
1810	my ($pl) = @_;
1811		2543
1812	# abort map switching before logout	2544	Moves the player to the given map-path and coordinates by first freezing
1813	if ($pl->ob->{_link_pos}) {	2545	her, loading and preparing them map, calling the provided $check callback
1814	cf::sync_job {	2546	that has to return the map if sucecssful, and then unfreezes the player on
1815	$pl->ob->leave_link	2547	the new (success) or old (failed) map position. In either case, $done will
1816	};	2548	be called at the end of this process.
1817	}
1818	},
1819	on_login => sub {
1820	my ($pl) = @_;
1821		2549
1822	# try to abort aborted map switching on player login :)	2550	Note that $check will be called with a potentially non-loaded map, so if
1823	# should happen only on crashes	2551	it needs a loaded map it has to call C<< ->load >>.
1824	if ($pl->ob->{_link_pos}) {
1825	$pl->ob->enter_link;
1826	(async {
1827	# we need this sleep as the login has a concurrent enter_exit running
1828	# and this sleep increases chances of the player not ending up in scorn
1829	$pl->ob->reply (undef,
1830	"There was an internal problem at your last logout, "
1831	. "the server will try to bring you to your intended destination in a second.",
1832	cf::NDI_RED);
1833	Coro::Timer::sleep 1;
1834	$pl->ob->leave_link;
1835	})->prio (2);
1836	}
1837	},
1838	);
1839		2552
1840	=item $player_object->goto ($path, $x, $y)
1841
1842	=cut	2553	=cut
		2554
		2555	our $GOTOGEN;
1843		2556
1844	sub cf::object::player::goto {	2557	sub cf::object::player::goto {
1845	my ($self, $path, $x, $y) = @_;	2558	my ($self, $path, $x, $y, $check, $done) = @_;
		2559
		2560	# do generation counting so two concurrent goto's will be executed in-order
		2561	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1846		2562
1847	$self->enter_link;	2563	$self->enter_link;
1848		2564
1849	(async {	2565	(async {
		2566	$Coro::current->{desc} = "player::goto $path $x $y";
		2567
		2568	# *tag paths override both path and x|y
		2569	if ($path =~ /^\*(.*)$/) {
		2570	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2571	my $ob = $obs[rand @obs];
		2572
		2573	# see if we actually can go there
		2574	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2575	$ob = $obs[rand @obs];
		2576	} else {
		2577	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2578	}
		2579	# else put us there anyways for now #d#
		2580
		2581	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2582	} else {
		2583	($path, $x, $y) = (undef, undef, undef);
		2584	}
		2585	}
		2586
1850	my $map = eval {	2587	my $map = eval {
1851	my $map = cf::map::find $path;	2588	my $map = defined $path ? cf::map::find $path : undef;
		2589
		2590	if ($map) {
1852	$map = $map->customise_for ($self) if $map;	2591	$map = $map->customise_for ($self);
		2592	$map = $check->($map) if $check && $map;
		2593	} else {
		2594	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2595	}
		2596
1853	$map	2597	$map
		2598	};
		2599
		2600	if ($@) {
		2601	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2602	LOG llevError | logBacktrace, Carp::longmess $@;
1854	} or	2603	}
1855	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1856		2604
		2605	if ($gen == $self->{_goto_generation}) {
		2606	delete $self->{_goto_generation};
1857	$self->leave_link ($map, $x, $y);	2607	$self->leave_link ($map, $x, $y);
		2608	}
		2609
		2610	$done->() if $done;
1858	})->prio (1);	2611	})->prio (1);
1859	}	2612	}
1860		2613
1861	=item $player_object->enter_exit ($exit_object)	2614	=item $player_object->enter_exit ($exit_object)
1862		2615
…		…
1882	}	2635	}
1883		2636
1884	sub prepare_random_map {	2637	sub prepare_random_map {
1885	my ($exit) = @_;	2638	my ($exit) = @_;
1886		2639
1887	my $guard = cf::lock_acquire "exit_prepare:$exit";
1888
1889	# all this does is basically replace the /! path by	2640	# all this does is basically replace the /! path by
1890	# a new random map path (?random/...) with a seed	2641	# a new random map path (?random/...) with a seed
1891	# that depends on the exit object	2642	# that depends on the exit object
1892		2643
1893	my $rmp = parse_random_map_params $exit->msg;	2644	my $rmp = parse_random_map_params $exit->msg;
…		…
1895	if ($exit->map) {	2646	if ($exit->map) {
1896	$rmp->{region} = $exit->region->name;	2647	$rmp->{region} = $exit->region->name;
1897	$rmp->{origin_map} = $exit->map->path;	2648	$rmp->{origin_map} = $exit->map->path;
1898	$rmp->{origin_x} = $exit->x;	2649	$rmp->{origin_x} = $exit->x;
1899	$rmp->{origin_y} = $exit->y;	2650	$rmp->{origin_y} = $exit->y;
		2651
		2652	$exit->map->touch;
1900	}	2653	}
1901		2654
1902	$rmp->{random_seed} ||= $exit->random_seed;	2655	$rmp->{random_seed} ||= $exit->random_seed;
1903		2656
1904	my $data = cf::to_json $rmp;	2657	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1905	my $md5 = Digest::MD5::md5_hex $data;	2658	my $md5 = Digest::MD5::md5_hex $data;
1906	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2659	my $meta = "$RANDOMDIR/$md5.meta";
1907		2660
1908	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2661	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1909	aio_write $fh, 0, (length $data), $data, 0;	2662	aio_write $fh, 0, (length $data), $data, 0;
1910	undef $fh;	2663	undef $fh;
1911	aio_rename "$meta~", $meta;	2664	aio_rename "$meta~", $meta;
1912		2665
		2666	my $slaying = "?random/$md5";
		2667
		2668	if ($exit->valid) {
1913	$exit->slaying ("?random/$md5");	2669	$exit->slaying ("?random/$md5");
1914	$exit->msg (undef);	2670	$exit->msg (undef);
		2671	}
1915	}	2672	}
1916	}	2673	}
1917		2674
1918	sub cf::object::player::enter_exit {	2675	sub cf::object::player::enter_exit {
1919	my ($self, $exit) = @_;	2676	my ($self, $exit) = @_;
1920		2677
1921	return unless $self->type == cf::PLAYER;	2678	return unless $self->type == cf::PLAYER;
1922		2679
1923	if ($exit->slaying eq "/!") {
1924	#TODO: this should de-fi-ni-te-ly not be a sync-job
1925	cf::sync_job { prepare_random_map $exit };
1926	}
1927
1928	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1929	my $hp = $exit->stats->hp;
1930	my $sp = $exit->stats->sp;
1931
1932	$self->enter_link;	2680	$self->enter_link;
1933		2681
1934	(async {	2682	(async {
1935	$self->deactivate_recursive; # just to be sure	2683	$Coro::current->{desc} = "enter_exit";
		2684
1936	unless (eval {	2685	unless (eval {
		2686	$self->deactivate_recursive; # just to be sure
		2687
		2688	# random map handling
		2689	{
		2690	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2691
		2692	prepare_random_map $exit
		2693	if $exit->slaying eq "/!";
		2694	}
		2695
		2696	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2697	my $x = $exit->stats->hp;
		2698	my $y = $exit->stats->sp;
		2699
1937	$self->goto ($slaying, $hp, $sp);	2700	$self->goto ($map, $x, $y);
1938		2701
		2702	# if exit is damned, update players death & WoR home-position
		2703	$self->contr->savebed ($map, $x, $y)
		2704	if $exit->flag (cf::FLAG_DAMNED);
		2705
1939	1;	2706	1
1940	}) {	2707	}) {
1941	$self->message ("Something went wrong deep within the crossfire server. "	2708	$self->message ("Something went wrong deep within the deliantra server. "
1942	. "I'll try to bring you back to the map you were before. "	2709	. "I'll try to bring you back to the map you were before. "
1943	. "Please report this to the dungeon master!",	2710	. "Please report this to the dungeon master!",
1944	cf::NDI_UNIQUE | cf::NDI_RED);	2711	cf::NDI_UNIQUE | cf::NDI_RED);
1945		2712
1946	warn "ERROR in enter_exit: $@";	2713	warn "ERROR in enter_exit: $@";
1947	$self->leave_link;	2714	$self->leave_link;
1948	}	2715	}
1949	})->prio (1);	2716	})->prio (1);
…		…
1962		2729
1963	sub cf::client::send_drawinfo {	2730	sub cf::client::send_drawinfo {
1964	my ($self, $text, $flags) = @_;	2731	my ($self, $text, $flags) = @_;
1965		2732
1966	utf8::encode $text;	2733	utf8::encode $text;
1967	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2734	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1968	}	2735	}
1969		2736
		2737	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2738
		2739	Send a drawinfo or msg packet to the client, formatting the msg for the
		2740	client if neccessary. C<$type> should be a string identifying the type of
		2741	the message, with C<log> being the default. If C<$color> is negative, suppress
		2742	the message unless the client supports the msg packet.
		2743
		2744	=cut
		2745
		2746	# non-persistent channels (usually the info channel)
		2747	our %CHANNEL = (
		2748	"c/identify" => {
		2749	id => "infobox",
		2750	title => "Identify",
		2751	reply => undef,
		2752	tooltip => "Items recently identified",
		2753	},
		2754	"c/examine" => {
		2755	id => "infobox",
		2756	title => "Examine",
		2757	reply => undef,
		2758	tooltip => "Signs and other items you examined",
		2759	},
		2760	"c/book" => {
		2761	id => "infobox",
		2762	title => "Book",
		2763	reply => undef,
		2764	tooltip => "The contents of a note or book",
		2765	},
		2766	"c/lookat" => {
		2767	id => "infobox",
		2768	title => "Look",
		2769	reply => undef,
		2770	tooltip => "What you saw there",
		2771	},
		2772	"c/who" => {
		2773	id => "infobox",
		2774	title => "Players",
		2775	reply => undef,
		2776	tooltip => "Shows players who are currently online",
		2777	},
		2778	"c/body" => {
		2779	id => "infobox",
		2780	title => "Body Parts",
		2781	reply => undef,
		2782	tooltip => "Shows which body parts you posess and are available",
		2783	},
		2784	"c/statistics" => {
		2785	id => "infobox",
		2786	title => "Statistics",
		2787	reply => undef,
		2788	tooltip => "Shows your primary statistics",
		2789	},
		2790	"c/skills" => {
		2791	id => "infobox",
		2792	title => "Skills",
		2793	reply => undef,
		2794	tooltip => "Shows your experience per skill and item power",
		2795	},
		2796	"c/shopitems" => {
		2797	id => "infobox",
		2798	title => "Shop Items",
		2799	reply => undef,
		2800	tooltip => "Shows the items currently for sale in this shop",
		2801	},
		2802	"c/resistances" => {
		2803	id => "infobox",
		2804	title => "Resistances",
		2805	reply => undef,
		2806	tooltip => "Shows your resistances",
		2807	},
		2808	"c/pets" => {
		2809	id => "infobox",
		2810	title => "Pets",
		2811	reply => undef,
		2812	tooltip => "Shows information abotu your pets/a specific pet",
		2813	},
		2814	"c/perceiveself" => {
		2815	id => "infobox",
		2816	title => "Perceive Self",
		2817	reply => undef,
		2818	tooltip => "You gained detailed knowledge about yourself",
		2819	},
		2820	"c/uptime" => {
		2821	id => "infobox",
		2822	title => "Uptime",
		2823	reply => undef,
		2824	tooltip => "How long the server has been running since last restart",
		2825	},
		2826	"c/mapinfo" => {
		2827	id => "infobox",
		2828	title => "Map Info",
		2829	reply => undef,
		2830	tooltip => "Information related to the maps",
		2831	},
		2832	"c/party" => {
		2833	id => "party",
		2834	title => "Party",
		2835	reply => "gsay ",
		2836	tooltip => "Messages and chat related to your party",
		2837	},
		2838	"c/death" => {
		2839	id => "death",
		2840	title => "Death",
		2841	reply => undef,
		2842	tooltip => "Reason for and more info about your most recent death",
		2843	},
		2844	"c/say" => $SAY_CHANNEL,
		2845	"c/chat" => $CHAT_CHANNEL,
		2846	);
		2847
		2848	sub cf::client::send_msg {
		2849	my ($self, $channel, $msg, $color, @extra) = @_;
		2850
		2851	$msg = $self->pl->expand_cfpod ($msg)
		2852	unless $color & cf::NDI_VERBATIM;
		2853
		2854	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2855
		2856	# check predefined channels, for the benefit of C
		2857	if ($CHANNEL{$channel}) {
		2858	$channel = $CHANNEL{$channel};
		2859
		2860	$self->ext_msg (channel_info => $channel);
		2861	$channel = $channel->{id};
		2862
		2863	} elsif (ref $channel) {
		2864	# send meta info to client, if not yet sent
		2865	unless (exists $self->{channel}{$channel->{id}}) {
		2866	$self->{channel}{$channel->{id}} = $channel;
		2867	$self->ext_msg (channel_info => $channel);
		2868	}
		2869
		2870	$channel = $channel->{id};
		2871	}
		2872
		2873	return unless @extra || length $msg;
		2874
		2875	# default colour, mask it out
		2876	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2877	if $color & cf::NDI_DEF;
		2878
		2879	my $pkt = "msg "
		2880	. $self->{json_coder}->encode (
		2881	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2882	);
		2883
		2884	# try lzf for large packets
		2885	$pkt = "lzf " . Compress::LZF::compress $pkt
		2886	if 1024 <= length $pkt and $self->{can_lzf};
		2887
		2888	# split very large packets
		2889	if (8192 < length $pkt and $self->{can_lzf}) {
		2890	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2891	$pkt = "frag";
		2892	}
		2893
		2894	$self->send_packet ($pkt);
		2895	}
		2896
		2897	=item $client->ext_msg ($type, @msg)
		2898
		2899	Sends an ext event to the client.
		2900
		2901	=cut
		2902
		2903	sub cf::client::ext_msg($$@) {
		2904	my ($self, $type, @msg) = @_;
		2905
		2906	if ($self->extcmd == 2) {
		2907	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2908	} elsif ($self->extcmd == 1) { # TODO: remove
		2909	push @msg, msgtype => "event_$type";
		2910	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2911	}
		2912	}
		2913
		2914	=item $client->ext_reply ($msgid, @msg)
		2915
		2916	Sends an ext reply to the client.
		2917
		2918	=cut
		2919
		2920	sub cf::client::ext_reply($$@) {
		2921	my ($self, $id, @msg) = @_;
		2922
		2923	if ($self->extcmd == 2) {
		2924	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2925	} elsif ($self->extcmd == 1) {
		2926	#TODO: version 1, remove
		2927	unshift @msg, msgtype => "reply", msgid => $id;
		2928	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2929	}
		2930	}
1970		2931
1971	=item $success = $client->query ($flags, "text", \&cb)	2932	=item $success = $client->query ($flags, "text", \&cb)
1972		2933
1973	Queues a query to the client, calling the given callback with	2934	Queues a query to the client, calling the given callback with
1974	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2935	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1975	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2936	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1976		2937
1977	Queries can fail, so check the return code. Or don't, as queries will become	2938	Queries can fail, so check the return code. Or don't, as queries will
1978	reliable at some point in the future.	2939	become reliable at some point in the future.
1979		2940
1980	=cut	2941	=cut
1981		2942
1982	sub cf::client::query {	2943	sub cf::client::query {
1983	my ($self, $flags, $text, $cb) = @_;	2944	my ($self, $flags, $text, $cb) = @_;
…		…
1991	utf8::encode $text;	2952	utf8::encode $text;
1992	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2953	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1993		2954
1994	$self->send_packet ($self->{query_queue}[0][0])	2955	$self->send_packet ($self->{query_queue}[0][0])
1995	if @{ $self->{query_queue} } == 1;	2956	if @{ $self->{query_queue} } == 1;
		2957
		2958	1
1996	}	2959	}
1997		2960
1998	cf::client->attach (	2961	cf::client->attach (
		2962	on_connect => sub {
		2963	my ($ns) = @_;
		2964
		2965	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2966	},
1999	on_reply => sub {	2967	on_reply => sub {
2000	my ($ns, $msg) = @_;	2968	my ($ns, $msg) = @_;
2001		2969
2002	# this weird shuffling is so that direct followup queries	2970	# this weird shuffling is so that direct followup queries
2003	# get handled first	2971	# get handled first
2004	my $queue = delete $ns->{query_queue}	2972	my $queue = delete $ns->{query_queue}
2005	or return; # be conservative, not sure how that can happen, but we saw a crash here	2973	or return; # be conservative, not sure how that can happen, but we saw a crash here
2006		2974
2007	(shift @$queue)->[1]->($msg);	2975	(shift @$queue)->[1]->($msg);
		2976	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
2008		2977
2009	push @{ $ns->{query_queue} }, @$queue;	2978	push @{ $ns->{query_queue} }, @$queue;
2010		2979
2011	if (@{ $ns->{query_queue} } == @$queue) {	2980	if (@{ $ns->{query_queue} } == @$queue) {
2012	if (@$queue) {	2981	if (@$queue) {
…		…
2014	} else {	2983	} else {
2015	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2984	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2016	}	2985	}
2017	}	2986	}
2018	},	2987	},
		2988	on_exticmd => sub {
		2989	my ($ns, $buf) = @_;
		2990
		2991	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2992
		2993	if (ref $msg) {
		2994	my ($type, $reply, @payload) =
		2995	"ARRAY" eq ref $msg
		2996	? @$msg
		2997	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2998
		2999	my @reply;
		3000
		3001	if (my $cb = $EXTICMD{$type}) {
		3002	@reply = $cb->($ns, @payload);
		3003	}
		3004
		3005	$ns->ext_reply ($reply, @reply)
		3006	if $reply;
		3007
		3008	} else {
		3009	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3010	}
		3011
		3012	cf::override;
		3013	},
2019	);	3014	);
2020		3015
2021	=item $client->async (\&cb)	3016	=item $client->async (\&cb)
2022		3017
2023	Create a new coroutine, running the specified callback. The coroutine will	3018	Create a new coroutine, running the specified callback. The coroutine will
…		…
2064	our $safe = new Safe "safe";	3059	our $safe = new Safe "safe";
2065	our $safe_hole = new Safe::Hole;	3060	our $safe_hole = new Safe::Hole;
2066		3061
2067	$SIG{FPE} = 'IGNORE';	3062	$SIG{FPE} = 'IGNORE';
2068		3063
2069	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3064	$safe->permit_only (Opcode::opset qw(
		3065	:base_core :base_mem :base_orig :base_math
		3066	grepstart grepwhile mapstart mapwhile
		3067	sort time
		3068	));
2070		3069
2071	# here we export the classes and methods available to script code	3070	# here we export the classes and methods available to script code
2072		3071
2073	=pod	3072	=pod
2074		3073
2075	The following fucntions and emthods are available within a safe environment:	3074	The following functions and methods are available within a safe environment:
2076		3075
2077	cf::object contr pay_amount pay_player map	3076	cf::object
		3077	contr pay_amount pay_player map x y force_find force_add destroy
		3078	insert remove name archname title slaying race decrease split
		3079	value
		3080
2078	cf::object::player player	3081	cf::object::player
2079	cf::player peaceful	3082	player
2080	cf::map trigger	3083
		3084	cf::player
		3085	peaceful
		3086
		3087	cf::map
		3088	trigger
2081		3089
2082	=cut	3090	=cut
2083		3091
2084	for (	3092	for (
2085	["cf::object" => qw(contr pay_amount pay_player map)],	3093	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3094	insert remove inv nrof name archname title slaying race
		3095	decrease split destroy change_exp value msg lore send_msg)],
2086	["cf::object::player" => qw(player)],	3096	["cf::object::player" => qw(player)],
2087	["cf::player" => qw(peaceful)],	3097	["cf::player" => qw(peaceful send_msg)],
2088	["cf::map" => qw(trigger)],	3098	["cf::map" => qw(trigger)],
2089	) {	3099	) {
2090	no strict 'refs';	3100	no strict 'refs';
2091	my ($pkg, @funs) = @$_;	3101	my ($pkg, @funs) = @$_;
2092	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3102	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2109	my ($code, %vars) = @_;	3119	my ($code, %vars) = @_;
2110		3120
2111	my $qcode = $code;	3121	my $qcode = $code;
2112	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3122	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2113	$qcode =~ s/\n/\\n/g;	3123	$qcode =~ s/\n/\\n/g;
		3124
		3125	%vars = (_dummy => 0) unless %vars;
2114		3126
2115	local $_;	3127	local $_;
2116	local @safe::cf::_safe_eval_args = values %vars;	3128	local @safe::cf::_safe_eval_args = values %vars;
2117		3129
2118	my $eval =	3130	my $eval =
…		…
2161	=back	3173	=back
2162		3174
2163	=cut	3175	=cut
2164		3176
2165	#############################################################################	3177	#############################################################################
		3178	# the server's init and main functions
2166		3179
2167	=head2 EXTENSION DATABASE SUPPORT	3180	sub load_facedata($) {
		3181	my ($path) = @_;
2168		3182
2169	Crossfire maintains a very simple database for extension use. It can	3183	# HACK to clear player env face cache, we need some signal framework
2170	currently store anything that can be serialised using Storable, which	3184	# for this (global event?)
2171	excludes objects.	3185	%ext::player_env::MUSIC_FACE_CACHE = ();
2172		3186
2173	The parameter C<$family> should best start with the name of the extension	3187	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2174	using it, it should be unique.
2175		3188
2176	=over 4	3189	warn "loading facedata from $path\n";
2177		3190
2178	=item $hashref = cf::db_get $family	3191	my $facedata;
		3192	0 < aio_load $path, $facedata
		3193	or die "$path: $!";
2179		3194
2180	Return a hashref for use by the extension C<$family>, which can be	3195	$facedata = Coro::Storable::thaw $facedata;
2181	modified. After modifications, you have to call C<cf::db_dirty> or
2182	C<cf::db_sync>.
2183		3196
2184	=item $value = cf::db_get $family => $key	3197	$facedata->{version} == 2
		3198	or cf::cleanup "$path: version mismatch, cannot proceed.";
2185		3199
2186	Returns a single value from the database	3200	# patch in the exptable
2187		3201	$facedata->{resource}{"res/exp_table"} = {
2188	=item cf::db_put $family => $hashref	3202	type => FT_RSRC,
2189		3203	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2190	Stores the given family hashref into the database. Updates are delayed, if
2191	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2192
2193	=item cf::db_put $family => $key => $value
2194
2195	Stores the given C<$value> in the family hash. Updates are delayed, if you
2196	want the data to be synced to disk immediately, use C<cf::db_sync>.
2197
2198	=item cf::db_dirty
2199
2200	Marks the database as dirty, to be updated at a later time.
2201
2202	=item cf::db_sync
2203
2204	Immediately write the database to disk I<if it is dirty>.
2205
2206	=cut
2207
2208	our $DB;
2209
2210	{
2211	my $path = cf::localdir . "/database.pst";
2212
2213	sub db_load() {
2214	$DB = stat $path ? Storable::retrieve $path : { };
2215	}	3204	};
		3205	cf::cede_to_tick;
2216		3206
2217	my $pid;
2218
2219	sub db_save() {
2220	waitpid $pid, 0 if $pid;
2221	if (0 == ($pid = fork)) {
2222	$DB->{_meta}{version} = 1;
2223	Storable::nstore $DB, "$path~";
2224	rename "$path~", $path;
2225	cf::_exit 0 if defined $pid;
2226	}
2227	}	3207	{
		3208	my $faces = $facedata->{faceinfo};
2228		3209
2229	my $dirty;	3210	while (my ($face, $info) = each %$faces) {
		3211	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2230		3212
2231	sub db_sync() {	3213	cf::face::set_visibility $idx, $info->{visibility};
2232	db_save if $dirty;	3214	cf::face::set_magicmap $idx, $info->{magicmap};
2233	undef $dirty;	3215	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2234	}	3216	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2235		3217
2236	my $idle = Event->idle (	3218	cf::cede_to_tick;
2237	reentrant => 0,
2238	min => 10,
2239	max => 20,
2240	repeat => 0,
2241	data => WF_AUTOCANCEL,
2242	cb => \&db_sync,
2243	);
2244
2245	sub db_dirty() {
2246	$dirty = 1;
2247	$idle->start;
2248	}
2249
2250	sub db_get($;$) {
2251	@_ >= 2
2252	? $DB->{$_[0]}{$_[1]}
2253	: ($DB->{$_[0]} ||= { })
2254	}
2255
2256	sub db_put($$;$) {
2257	if (@_ >= 3) {
2258	$DB->{$_[0]}{$_[1]} = $_[2];
2259	} else {
2260	$DB->{$_[0]} = $_[1];
2261	}
2262	db_dirty;
2263	}
2264
2265	cf::global->attach (
2266	prio => 10000,
2267	on_cleanup => sub {
2268	db_sync;
2269	},	3219	}
2270	);
2271	}
2272		3220
2273	#############################################################################	3221	while (my ($face, $info) = each %$faces) {
2274	# the server's main()	3222	next unless $info->{smooth};
2275		3223
2276	sub cfg_load {	3224	my $idx = cf::face::find $face
		3225	or next;
		3226
		3227	if (my $smooth = cf::face::find $info->{smooth}) {
		3228	cf::face::set_smooth $idx, $smooth;
		3229	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3230	} else {
		3231	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3232	}
		3233
		3234	cf::cede_to_tick;
		3235	}
		3236	}
		3237
		3238	{
		3239	my $anims = $facedata->{animinfo};
		3240
		3241	while (my ($anim, $info) = each %$anims) {
		3242	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3243	cf::cede_to_tick;
		3244	}
		3245
		3246	cf::anim::invalidate_all; # d'oh
		3247	}
		3248
		3249	{
		3250	# TODO: for gcfclient pleasure, we should give resources
		3251	# that gcfclient doesn't grok a >10000 face index.
		3252	my $res = $facedata->{resource};
		3253
		3254	while (my ($name, $info) = each %$res) {
		3255	if (defined $info->{type}) {
		3256	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3257	my $data;
		3258
		3259	if ($info->{type} & 1) {
		3260	# prepend meta info
		3261
		3262	my $meta = $enc->encode ({
		3263	name => $name,
		3264	%{ $info->{meta} || {} },
		3265	});
		3266
		3267	$data = pack "(w/a*)*", $meta, $info->{data};
		3268	} else {
		3269	$data = $info->{data};
		3270	}
		3271
		3272	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3273	cf::face::set_type $idx, $info->{type};
		3274	} else {
		3275	$RESOURCE{$name} = $info;
		3276	}
		3277
		3278	cf::cede_to_tick;
		3279	}
		3280	}
		3281
		3282	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3283
		3284	1
		3285	}
		3286
		3287	cf::global->attach (on_resource_update => sub {
		3288	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3289	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3290
		3291	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3292	my $sound = $soundconf->{compat}[$_]
		3293	or next;
		3294
		3295	my $face = cf::face::find "sound/$sound->[1]";
		3296	cf::sound::set $sound->[0] => $face;
		3297	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3298	}
		3299
		3300	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3301	my $face = cf::face::find "sound/$v";
		3302	cf::sound::set $k => $face;
		3303	}
		3304	}
		3305	});
		3306
		3307	register_exticmd fx_want => sub {
		3308	my ($ns, $want) = @_;
		3309
		3310	while (my ($k, $v) = each %$want) {
		3311	$ns->fx_want ($k, $v);
		3312	}
		3313	};
		3314
		3315	sub load_resource_file($) {
		3316	my $guard = lock_acquire "load_resource_file";
		3317
		3318	my $status = load_resource_file_ $_[0];
		3319	get_slot 0.1, 100;
		3320	cf::arch::commit_load;
		3321
		3322	$status
		3323	}
		3324
		3325	sub reload_regions {
		3326	# HACK to clear player env face cache, we need some signal framework
		3327	# for this (global event?)
		3328	%ext::player_env::MUSIC_FACE_CACHE = ();
		3329
		3330	load_resource_file "$MAPDIR/regions"
		3331	or die "unable to load regions file\n";
		3332
		3333	for (cf::region::list) {
		3334	$_->{match} = qr/$_->{match}/
		3335	if exists $_->{match};
		3336	}
		3337	}
		3338
		3339	sub reload_facedata {
		3340	load_facedata "$DATADIR/facedata"
		3341	or die "unable to load facedata\n";
		3342	}
		3343
		3344	sub reload_archetypes {
		3345	load_resource_file "$DATADIR/archetypes"
		3346	or die "unable to load archetypes\n";
		3347	}
		3348
		3349	sub reload_treasures {
		3350	load_resource_file "$DATADIR/treasures"
		3351	or die "unable to load treasurelists\n";
		3352	}
		3353
		3354	sub reload_resources {
		3355	warn "reloading resource files...\n";
		3356
		3357	reload_facedata;
		3358	reload_archetypes;
		3359	reload_regions;
		3360	reload_treasures;
		3361
		3362	warn "finished reloading resource files\n";
		3363	}
		3364
		3365	sub reload_config {
2277	open my $fh, "<:utf8", cf::confdir . "/config"	3366	open my $fh, "<:utf8", "$CONFDIR/config"
2278	or return;	3367	or return;
2279		3368
2280	local $/;	3369	local $/;
2281	*CFG = YAML::Syck::Load <$fh>;	3370	*CFG = YAML::Load <$fh>;
2282		3371
2283	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3372	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2284		3373
2285	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3374	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2286	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3375	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2292	};	3381	};
2293	warn $@ if $@;	3382	warn $@ if $@;
2294	}	3383	}
2295	}	3384	}
2296		3385
		3386	sub pidfile() {
		3387	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3388	or die "$PIDFILE: $!";
		3389	flock $fh, &Fcntl::LOCK_EX
		3390	or die "$PIDFILE: flock: $!";
		3391	$fh
		3392	}
		3393
		3394	# make sure only one server instance is running at any one time
		3395	sub atomic {
		3396	my $fh = pidfile;
		3397
		3398	my $pid = <$fh>;
		3399	kill 9, $pid if $pid > 0;
		3400
		3401	seek $fh, 0, 0;
		3402	print $fh $$;
		3403	}
		3404
2297	sub main {	3405	sub main {
		3406	cf::init_globals; # initialise logging
		3407
		3408	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3409	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3410	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3411	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3412
		3413	cf::init_experience;
		3414	cf::init_anim;
		3415	cf::init_attackmess;
		3416	cf::init_dynamic;
		3417
		3418	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3419
2298	# we must not ever block the main coroutine	3420	# we must not ever block the main coroutine
2299	local $Coro::idle = sub {	3421	local $Coro::idle = sub {
2300	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3422	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2301	(async {	3423	(async {
2302	Event::one_event;	3424	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3425	EV::loop EV::LOOP_ONESHOT;
2303	})->prio (Coro::PRIO_MAX);	3426	})->prio (Coro::PRIO_MAX);
2304	};	3427	};
2305		3428
2306	cfg_load;	3429	evthread_start IO::AIO::poll_fileno;
2307	db_load;	3430
		3431	cf::sync_job {
		3432	reload_resources;
		3433	reload_config;
		3434	db_init;
		3435
		3436	cf::load_settings;
		3437	cf::load_materials;
		3438	cf::init_uuid;
		3439	cf::init_signals;
		3440	cf::init_commands;
		3441	cf::init_skills;
		3442
		3443	cf::init_beforeplay;
		3444
		3445	atomic;
		3446
2308	load_extensions;	3447	load_extensions;
2309		3448
2310	$TICK_WATCHER->start;	3449	utime time, time, $RUNTIMEFILE;
		3450
		3451	# no (long-running) fork's whatsoever before this point(!)
		3452	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3453
		3454	(pop @POST_INIT)->(0) while @POST_INIT;
		3455	};
		3456
2311	Event::loop;	3457	EV::loop;
2312	}	3458	}
2313		3459
2314	#############################################################################	3460	#############################################################################
2315	# initialisation and cleanup	3461	# initialisation and cleanup
2316		3462
2317	# install some emergency cleanup handlers	3463	# install some emergency cleanup handlers
2318	BEGIN {	3464	BEGIN {
		3465	our %SIGWATCHER = ();
2319	for my $signal (qw(INT HUP TERM)) {	3466	for my $signal (qw(INT HUP TERM)) {
2320	Event->signal (	3467	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2321	reentrant => 0,
2322	data => WF_AUTOCANCEL,
2323	signal => $signal,
2324	prio => 0,
2325	cb => sub {
2326	cf::cleanup "SIG$signal";	3468	cf::cleanup "SIG$signal";
2327	},
2328	);	3469	};
		3470	}
		3471	}
		3472
		3473	sub write_runtime_sync {
		3474	# first touch the runtime file to show we are still running:
		3475	# the fsync below can take a very very long time.
		3476
		3477	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3478
		3479	my $guard = cf::lock_acquire "write_runtime";
		3480
		3481	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3482	or return;
		3483
		3484	my $value = $cf::RUNTIME + 90 + 10;
		3485	# 10 is the runtime save interval, for a monotonic clock
		3486	# 60 allows for the watchdog to kill the server.
		3487
		3488	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3489	and return;
		3490
		3491	# always fsync - this file is important
		3492	aio_fsync $fh
		3493	and return;
		3494
		3495	# touch it again to show we are up-to-date
		3496	aio_utime $fh, undef, undef;
		3497
		3498	close $fh
		3499	or return;
		3500
		3501	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3502	and return;
		3503
		3504	warn "runtime file written.\n";
		3505
2329	}	3506	1
		3507	}
		3508
		3509	our $uuid_lock;
		3510	our $uuid_skip;
		3511
		3512	sub write_uuid_sync($) {
		3513	$uuid_skip ||= $_[0];
		3514
		3515	return if $uuid_lock;
		3516	local $uuid_lock = 1;
		3517
		3518	my $uuid = "$LOCALDIR/uuid";
		3519
		3520	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3521	or return;
		3522
		3523	my $value = uuid_seq uuid_cur;
		3524
		3525	unless ($value) {
		3526	warn "cowardly refusing to write zero uuid value!\n";
		3527	return;
		3528	}
		3529
		3530	my $value = uuid_str $value + $uuid_skip;
		3531	$uuid_skip = 0;
		3532
		3533	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3534	and return;
		3535
		3536	# always fsync - this file is important
		3537	aio_fsync $fh
		3538	and return;
		3539
		3540	close $fh
		3541	or return;
		3542
		3543	aio_rename "$uuid~", $uuid
		3544	and return;
		3545
		3546	warn "uuid file written ($value).\n";
		3547
		3548	1
		3549
		3550	}
		3551
		3552	sub write_uuid($$) {
		3553	my ($skip, $sync) = @_;
		3554
		3555	$sync ? write_uuid_sync $skip
		3556	: async { write_uuid_sync $skip };
2330	}	3557	}
2331		3558
2332	sub emergency_save() {	3559	sub emergency_save() {
2333	my $freeze_guard = cf::freeze_mainloop;	3560	my $freeze_guard = cf::freeze_mainloop;
2334		3561
2335	warn "enter emergency perl save\n";	3562	warn "emergency_perl_save: enter\n";
2336		3563
2337	cf::sync_job {	3564	cf::sync_job {
		3565	# this is a trade-off: we want to be very quick here, so
		3566	# save all maps without fsync, and later call a global sync
		3567	# (which in turn might be very very slow)
		3568	local $USE_FSYNC = 0;
		3569
2338	# use a peculiar iteration method to avoid tripping on perl	3570	# use a peculiar iteration method to avoid tripping on perl
2339	# refcount bugs in for. also avoids problems with players	3571	# refcount bugs in for. also avoids problems with players
2340	# and maps saved/destroyed asynchronously.	3572	# and maps saved/destroyed asynchronously.
2341	warn "begin emergency player save\n";	3573	warn "emergency_perl_save: begin player save\n";
2342	for my $login (keys %cf::PLAYER) {	3574	for my $login (keys %cf::PLAYER) {
2343	my $pl = $cf::PLAYER{$login} or next;	3575	my $pl = $cf::PLAYER{$login} or next;
2344	$pl->valid or next;	3576	$pl->valid or next;
		3577	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2345	$pl->save;	3578	$pl->save;
2346	}	3579	}
2347	warn "end emergency player save\n";	3580	warn "emergency_perl_save: end player save\n";
2348		3581
2349	warn "begin emergency map save\n";	3582	warn "emergency_perl_save: begin map save\n";
2350	for my $path (keys %cf::MAP) {	3583	for my $path (keys %cf::MAP) {
2351	my $map = $cf::MAP{$path} or next;	3584	my $map = $cf::MAP{$path} or next;
2352	$map->valid or next;	3585	$map->valid or next;
2353	$map->save;	3586	$map->save;
2354	}	3587	}
2355	warn "end emergency map save\n";	3588	warn "emergency_perl_save: end map save\n";
		3589
		3590	warn "emergency_perl_save: begin database checkpoint\n";
		3591	BDB::db_env_txn_checkpoint $DB_ENV;
		3592	warn "emergency_perl_save: end database checkpoint\n";
		3593
		3594	warn "emergency_perl_save: begin write uuid\n";
		3595	write_uuid_sync 1;
		3596	warn "emergency_perl_save: end write uuid\n";
2356	};	3597	};
2357		3598
		3599	warn "emergency_perl_save: starting sync()\n";
		3600	IO::AIO::aio_sync sub {
		3601	warn "emergency_perl_save: finished sync()\n";
		3602	};
		3603
2358	warn "leave emergency perl save\n";	3604	warn "emergency_perl_save: leave\n";
2359	}	3605	}
2360		3606
		3607	sub post_cleanup {
		3608	my ($make_core) = @_;
		3609
		3610	warn Carp::longmess "post_cleanup backtrace"
		3611	if $make_core;
		3612
		3613	my $fh = pidfile;
		3614	unlink $PIDFILE if <$fh> == $$;
		3615	}
		3616
		3617	# a safer delete_package, copied from Symbol
		3618	sub clear_package($) {
		3619	my $pkg = shift;
		3620
		3621	# expand to full symbol table name if needed
		3622	unless ($pkg =~ /^main::.*::$/) {
		3623	$pkg = "main$pkg" if $pkg =~ /^::/;
		3624	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3625	$pkg .= '::' unless $pkg =~ /::$/;
		3626	}
		3627
		3628	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3629	my $stem_symtab = *{$stem}{HASH};
		3630
		3631	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3632	or return;
		3633
		3634	# clear all symbols
		3635	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3636	for my $name (keys %$leaf_symtab) {
		3637	_gv_clear *{"$pkg$name"};
		3638	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3639	}
		3640	warn "cleared package $pkg\n";#d#
		3641	}
		3642
2361	sub reload() {	3643	sub do_reload_perl() {
2362	# can/must only be called in main	3644	# can/must only be called in main
2363	if ($Coro::current != $Coro::main) {	3645	if ($Coro::current != $Coro::main) {
2364	warn "can only reload from main coroutine";	3646	warn "can only reload from main coroutine";
2365	return;	3647	return;
2366	}	3648	}
2367		3649
		3650	return if $RELOAD++;
		3651
		3652	my $t1 = EV::time;
		3653
		3654	while ($RELOAD) {
2368	warn "reloading...";	3655	warn "reloading...";
2369		3656
2370	warn "cancelling server ticker";	3657	warn "entering sync_job";
2371	$TICK_WATCHER->cancel;
2372		3658
		3659	cf::sync_job {
		3660	cf::write_runtime_sync; # external watchdog should not bark
2373	cf::emergency_save;	3661	cf::emergency_save;
		3662	cf::write_runtime_sync; # external watchdog should not bark
2374		3663
2375	eval {	3664	warn "syncing database to disk";
		3665	BDB::db_env_txn_checkpoint $DB_ENV;
		3666
2376	# if anything goes wrong in here, we should simply crash as we already saved	3667	# if anything goes wrong in here, we should simply crash as we already saved
2377		3668
2378	warn "syncing database to disk";
2379	cf::db_sync;
2380
2381	warn "cancelling all WF_AUTOCANCEL watchers";
2382	for (Event::all_watchers) {
2383	$_->cancel if $_->data & WF_AUTOCANCEL;
2384	}
2385
2386	warn "flushing outstanding aio requests";	3669	warn "flushing outstanding aio requests";
2387	for (;;) {	3670	while (IO::AIO::nreqs || BDB::nreqs) {
2388	IO::AIO::flush;	3671	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2389	Coro::cede;
2390	last unless IO::AIO::nreqs;
2391	warn "iterate...";
2392	}
2393
2394	warn "cancelling all extension coros";
2395	$_->cancel for values %EXT_CORO;
2396	%EXT_CORO = ();
2397
2398	warn "removing commands";
2399	%COMMAND = ();
2400
2401	warn "removing ext commands";
2402	%EXTCMD = ();
2403
2404	warn "unloading/nuking all extensions";
2405	for my $pkg (@EXTS) {
2406	warn "... unloading $pkg";
2407
2408	if (my $cb = $pkg->can ("unload")) {
2409	eval {
2410	$cb->($pkg);
2411	1
2412	} or warn "$pkg unloaded, but with errors: $@";
2413	}	3672	}
2414		3673
2415	warn "... nuking $pkg";	3674	warn "cancelling all extension coros";
2416	Symbol::delete_package $pkg;	3675	$_->cancel for values %EXT_CORO;
2417	}	3676	%EXT_CORO = ();
2418		3677
2419	warn "unloading all perl modules loaded from $LIBDIR";	3678	warn "removing commands";
2420	while (my ($k, $v) = each %INC) {	3679	%COMMAND = ();
2421	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2422		3680
		3681	warn "removing ext/exti commands";
		3682	%EXTCMD = ();
		3683	%EXTICMD = ();
		3684
		3685	warn "unloading/nuking all extensions";
		3686	for my $pkg (@EXTS) {
2423	warn "... unloading $k";	3687	warn "... unloading $pkg";
2424	delete $INC{$k};
2425		3688
2426	$k =~ s/\.pm$//;
2427	$k =~ s/\//::/g;
2428
2429	if (my $cb = $k->can ("unload_module")) {	3689	if (my $cb = $pkg->can ("unload")) {
		3690	eval {
2430	$cb->();	3691	$cb->($pkg);
		3692	1
		3693	} or warn "$pkg unloaded, but with errors: $@";
		3694	}
		3695
		3696	warn "... clearing $pkg";
		3697	clear_package $pkg;
2431	}	3698	}
2432		3699
2433	Symbol::delete_package $k;	3700	warn "unloading all perl modules loaded from $LIBDIR";
		3701	while (my ($k, $v) = each %INC) {
		3702	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3703
		3704	warn "... unloading $k";
		3705	delete $INC{$k};
		3706
		3707	$k =~ s/\.pm$//;
		3708	$k =~ s/\//::/g;
		3709
		3710	if (my $cb = $k->can ("unload_module")) {
		3711	$cb->();
		3712	}
		3713
		3714	clear_package $k;
2434	}	3715	}
2435		3716
2436	warn "getting rid of safe::, as good as possible";	3717	warn "getting rid of safe::, as good as possible";
2437	Symbol::delete_package "safe::$_"	3718	clear_package "safe::$_"
2438	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3719	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2439		3720
2440	warn "unloading cf.pm \"a bit\"";	3721	warn "unloading cf.pm \"a bit\"";
2441	delete $INC{"cf.pm"};	3722	delete $INC{"cf.pm"};
		3723	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2442		3724
2443	# don't, removes xs symbols, too,	3725	# don't, removes xs symbols, too,
2444	# and global variables created in xs	3726	# and global variables created in xs
2445	#Symbol::delete_package __PACKAGE__;	3727	#clear_package __PACKAGE__;
2446		3728
2447	warn "unload completed, starting to reload now";	3729	warn "unload completed, starting to reload now";
2448		3730
2449	warn "reloading cf.pm";	3731	warn "reloading cf.pm";
2450	require cf;	3732	require cf;
2451	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3733	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2452		3734
2453	warn "loading config and database again";	3735	warn "loading config and database again";
2454	cf::cfg_load;	3736	cf::reload_config;
2455	cf::db_load;
2456		3737
2457	warn "loading extensions";	3738	warn "loading extensions";
2458	cf::load_extensions;	3739	cf::load_extensions;
2459		3740
		3741	if ($REATTACH_ON_RELOAD) {
2460	warn "reattaching attachments to objects/players";	3742	warn "reattaching attachments to objects/players";
2461	_global_reattach;	3743	_global_reattach; # objects, sockets
2462	warn "reattaching attachments to maps";	3744	warn "reattaching attachments to maps";
2463	reattach $_ for values %MAP;	3745	reattach $_ for values %MAP;
		3746	warn "reattaching attachments to players";
		3747	reattach $_ for values %PLAYER;
		3748	}
2464		3749
2465	warn "restarting server ticker";	3750	warn "running post_init jobs";
		3751	(pop @POST_INIT)->(1) while @POST_INIT;
2466		3752
2467	$TICK_WATCHER->start;	3753	warn "leaving sync_job";
		3754
		3755	1
		3756	} or do {
		3757	warn $@;
		3758	cf::cleanup "error while reloading, exiting.";
		3759	};
		3760
		3761	warn "reloaded";
		3762	--$RELOAD;
		3763	}
		3764
		3765	$t1 = EV::time - $t1;
		3766	warn "reload completed in ${t1}s\n";
		3767	};
		3768
		3769	our $RELOAD_WATCHER; # used only during reload
		3770
		3771	sub reload_perl() {
		3772	# doing reload synchronously and two reloads happen back-to-back,
		3773	# coro crashes during coro_state_free->destroy here.
		3774
		3775	$RELOAD_WATCHER ||= cf::async {
		3776	Coro::AIO::aio_wait cache_extensions;
		3777
		3778	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3779	do_reload_perl;
		3780	undef $RELOAD_WATCHER;
		3781	};
2468	};	3782	};
2469		3783	}
2470	if ($@) {
2471	warn $@;
2472	warn "error while reloading, exiting.";
2473	exit 1;
2474	}
2475
2476	warn "reloaded";
2477	};
2478
2479	our $RELOAD_WATCHER; # used only during reload
2480		3784
2481	register_command "reload" => sub {	3785	register_command "reload" => sub {
2482	my ($who, $arg) = @_;	3786	my ($who, $arg) = @_;
2483		3787
2484	if ($who->flag (FLAG_WIZ)) {	3788	if ($who->flag (FLAG_WIZ)) {
2485	$who->message ("reloading server.");	3789	$who->message ("reloading server.");
2486		3790	async {
2487	# doing reload synchronously and two reloads happen back-to-back,	3791	$Coro::current->{desc} = "perl_reload";
2488	# coro crashes during coro_state_free->destroy here.
2489
2490	$RELOAD_WATCHER ||= Event->timer (
2491	reentrant => 0,
2492	after => 0,
2493	data => WF_AUTOCANCEL,
2494	cb => sub {
2495	reload;	3792	reload_perl;
2496	undef $RELOAD_WATCHER;
2497	},
2498	);	3793	};
2499	}	3794	}
2500	};	3795	};
2501		3796
2502	unshift @INC, $LIBDIR;	3797	unshift @INC, $LIBDIR;
2503		3798
2504	my $bug_warning = 0;	3799	my $bug_warning = 0;
2505		3800
2506	$TICK_WATCHER = Event->timer (	3801	our @WAIT_FOR_TICK;
2507	reentrant => 0,	3802	our @WAIT_FOR_TICK_BEGIN;
2508	parked => 1,	3803
2509	prio => 0,	3804	sub wait_for_tick {
2510	at => $NEXT_TICK || $TICK,	3805	return if tick_inhibit || $Coro::current == $Coro::main;
2511	data => WF_AUTOCANCEL,	3806
2512	cb => sub {	3807	my $signal = new Coro::Signal;
		3808	push @WAIT_FOR_TICK, $signal;
		3809	$signal->wait;
		3810	}
		3811
		3812	sub wait_for_tick_begin {
		3813	return if tick_inhibit || $Coro::current == $Coro::main;
		3814
		3815	my $signal = new Coro::Signal;
		3816	push @WAIT_FOR_TICK_BEGIN, $signal;
		3817	$signal->wait;
		3818	}
		3819
		3820	sub tick {
2513	if ($Coro::current != $Coro::main) {	3821	if ($Coro::current != $Coro::main) {
2514	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3822	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2515	unless ++$bug_warning > 10;	3823	unless ++$bug_warning > 10;
2516	return;	3824	return;
2517	}	3825	}
2518		3826
2519	$NOW = Event::time;
2520
2521	cf::server_tick; # one server iteration	3827	cf::server_tick; # one server iteration
2522	$RUNTIME += $TICK;
2523	$NEXT_TICK += $TICK;
2524		3828
2525	$WAIT_FOR_TICK->broadcast;	3829	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2526	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3830	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2527		3831	Coro::async_pool {
2528	Event::sweep;	3832	$Coro::current->{desc} = "runtime saver";
2529	Coro::cede_notself;
2530
2531	# my $AFTER = Event::time;
2532	# warn $AFTER - $NOW;#d#
2533
2534	# if we are delayed by four ticks or more, skip them all
2535	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2536
2537	$TICK_WATCHER->at ($NEXT_TICK);
2538	$TICK_WATCHER->start;
2539	},
2540	);
2541
2542	IO::AIO::max_poll_time $TICK * 0.1;
2543
2544	undef $Coro::AIO::WATCHER;
2545	$AIO_POLL_WATCHER = Event->io (
2546	reentrant => 0,
2547	fd => IO::AIO::poll_fileno,
2548	poll => 'r',
2549	prio => 6,
2550	data => WF_AUTOCANCEL,
2551	cb => \&IO::AIO::poll_cb,
2552	);
2553
2554	$WRITE_RUNTIME_WATCHER = Event->timer (
2555	reentrant => 0,
2556	data => WF_AUTOCANCEL,
2557	after => 1,
2558	interval => 10,
2559	prio => 6, # keep it lowest so it acts like a watchdog
2560	cb => Coro::unblock_sub {
2561	write_runtime	3833	write_runtime_sync
2562	or warn "ERROR: unable to write runtime file: $!";	3834	or warn "ERROR: unable to write runtime file: $!";
		3835	};
2563	},	3836	}
2564	);	3837
		3838	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3839	$sig->send;
		3840	}
		3841	while (my $sig = shift @WAIT_FOR_TICK) {
		3842	$sig->send;
		3843	}
		3844
		3845	$LOAD = ($NOW - $TICK_START) / $TICK;
		3846	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3847
		3848	if (0) {
		3849	if ($NEXT_TICK) {
		3850	my $jitter = $TICK_START - $NEXT_TICK;
		3851	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3852	warn "jitter $JITTER\n";#d#
		3853	}
		3854	}
		3855	}
		3856
		3857	{
		3858	# configure BDB
		3859
		3860	BDB::min_parallel 8;
		3861	BDB::max_poll_reqs $TICK * 0.1;
		3862	$AnyEvent::BDB::WATCHER->priority (1);
		3863
		3864	unless ($DB_ENV) {
		3865	$DB_ENV = BDB::db_env_create;
		3866	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3867	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3868	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3869	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3870	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3871
		3872	cf::sync_job {
		3873	eval {
		3874	BDB::db_env_open
		3875	$DB_ENV,
		3876	$BDBDIR,
		3877	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3878	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3879	0666;
		3880
		3881	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3882	};
		3883
		3884	cf::cleanup "db_env_open(db): $@" if $@;
		3885	};
		3886	}
		3887
		3888	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3889	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3890	};
		3891	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3892	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3893	};
		3894	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3895	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3896	};
		3897	}
		3898
		3899	{
		3900	# configure IO::AIO
		3901
		3902	IO::AIO::min_parallel 8;
		3903	IO::AIO::max_poll_time $TICK * 0.1;
		3904	undef $AnyEvent::AIO::WATCHER;
		3905	}
		3906
		3907	my $_log_backtrace;
		3908
		3909	sub _log_backtrace {
		3910	my ($msg, @addr) = @_;
		3911
		3912	$msg =~ s/\n//;
		3913
		3914	# limit the # of concurrent backtraces
		3915	if ($_log_backtrace < 2) {
		3916	++$_log_backtrace;
		3917	my $perl_bt = Carp::longmess $msg;
		3918	async {
		3919	$Coro::current->{desc} = "abt $msg";
		3920
		3921	my @bt = fork_call {
		3922	@addr = map { sprintf "%x", $_ } @addr;
		3923	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3924	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3925	or die "addr2line: $!";
		3926
		3927	my @funcs;
		3928	my @res = <$fh>;
		3929	chomp for @res;
		3930	while (@res) {
		3931	my ($func, $line) = splice @res, 0, 2, ();
		3932	push @funcs, "[$func] $line";
		3933	}
		3934
		3935	@funcs
		3936	};
		3937
		3938	LOG llevInfo, "[ABT] $perl_bt\n";
		3939	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3940	LOG llevInfo, "[ABT] $_\n" for @bt;
		3941	--$_log_backtrace;
		3942	};
		3943	} else {
		3944	LOG llevInfo, "[ABT] $msg\n";
		3945	LOG llevInfo, "[ABT] [suppressed]\n";
		3946	}
		3947	}
		3948
		3949	# load additional modules
		3950	require "cf/$_.pm" for @EXTRA_MODULES;
2565		3951
2566	END { cf::emergency_save }	3952	END { cf::emergency_save }
2567		3953
2568	1	3954	1
2569		3955

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