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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.199 by root, Mon Jan 29 14:46:01 2007 UTC vs.
Revision 1.468 by root, Thu Jan 8 19:23:44 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 off
		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;
757	aio_fsync $fh;	1156	aio_fsync $fh if $cf::USE_FSYNC;
758	close $fh;	1157	aio_close $fh;
759		1158
760	if (@$objs) {	1159	if (@$objs) {
761	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1160	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
762	chmod SAVE_MODE, $fh;	1161	aio_chmod $fh, SAVE_MODE;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	1162	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	1163	aio_write $fh, 0, (length $data), $data, 0;
765	aio_fsync $fh;	1164	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	1165	aio_close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	1166	aio_rename "$filename.pst~", "$filename.pst";
768	}	1167	}
769	} else {	1168	} else {
770	aio_unlink "$filename.pst";	1169	aio_unlink "$filename.pst";
771	}	1170	}
772		1171
773	aio_rename "$filename~", $filename;	1172	aio_rename "$filename~", $filename;
		1173
		1174	$filename =~ s%/[^/]+$%%;
		1175	aio_pathsync $filename if $cf::USE_FSYNC;
774	} else {	1176	} else {
775	warn "FATAL: $filename~: $!\n";	1177	warn "unable to save objects: $filename~: $!\n";
776	}	1178	}
777	} else {	1179	} else {
778	aio_unlink $filename;	1180	aio_unlink $filename;
779	aio_unlink "$filename.pst";	1181	aio_unlink "$filename.pst";
780	}	1182	}
781	}	1183	};
782	}	1184	}
783		1185
784	sub object_freezer_as_string {	1186	sub object_freezer_as_string {
785	my ($rdata, $objs) = @_;	1187	my ($rdata, $objs) = @_;
786		1188
…		…
798	or return;	1200	or return;
799		1201
800	unless (aio_stat "$filename.pst") {	1202	unless (aio_stat "$filename.pst") {
801	(aio_load "$filename.pst", $av) >= 0	1203	(aio_load "$filename.pst", $av) >= 0
802	or return;	1204	or return;
		1205
803	$av = eval { (Storable::thaw $av)->{objs} };	1206	my $st = eval { Coro::Storable::thaw $av };
		1207	$av = $st->{objs};
804	}	1208	}
805		1209
		1210	utf8::decode (my $decname = $filename);
806	warn sprintf "loading %s (%d)\n",	1211	warn sprintf "loading %s (%d,%d)\n",
807	$filename, length $data, scalar @{$av || []};#d#	1212	$decname, length $data, scalar @{$av || []};
		1213
808	return ($data, $av);	1214	($data, $av)
809	}	1215	}
		1216
		1217	=head2 COMMAND CALLBACKS
		1218
		1219	=over 4
		1220
		1221	=cut
810		1222
811	#############################################################################	1223	#############################################################################
812	# command handling &c	1224	# command handling &c
813		1225
814	=item cf::register_command $name => \&callback($ob,$args);	1226	=item cf::register_command $name => \&callback($ob,$args);
…		…
827	push @{ $COMMAND{$name} }, [$caller, $cb];	1239	push @{ $COMMAND{$name} }, [$caller, $cb];
828	}	1240	}
829		1241
830	=item cf::register_extcmd $name => \&callback($pl,$packet);	1242	=item cf::register_extcmd $name => \&callback($pl,$packet);
831		1243
832	Register a callbackf ro execution when the client sends an extcmd packet.	1244	Register a callback for execution when the client sends an (synchronous)
		1245	extcmd packet. Ext commands will be processed in the order they are
		1246	received by the server, like other user commands. The first argument is
		1247	the logged-in player. Ext commands can only be processed after a player
		1248	has logged in successfully.
833		1249
834	If the callback returns something, it is sent back as if reply was being	1250	If the callback returns something, it is sent back as if reply was being
835	called.	1251	called.
836		1252
		1253	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1254
		1255	Register a callback for execution when the client sends an (asynchronous)
		1256	exticmd packet. Exti commands are processed by the server as soon as they
		1257	are received, i.e. out of order w.r.t. other commands. The first argument
		1258	is a client socket. Exti commands can be received anytime, even before
		1259	log-in.
		1260
		1261	If the callback returns something, it is sent back as if reply was being
		1262	called.
		1263
837	=cut	1264	=cut
838		1265
839	sub register_extcmd {	1266	sub register_extcmd {
840	my ($name, $cb) = @_;	1267	my ($name, $cb) = @_;
841		1268
842	$EXTCMD{$name} = $cb;	1269	$EXTCMD{$name} = $cb;
843	}	1270	}
		1271
		1272	sub register_exticmd {
		1273	my ($name, $cb) = @_;
		1274
		1275	$EXTICMD{$name} = $cb;
		1276	}
		1277
		1278	use File::Glob ();
844		1279
845	cf::player->attach (	1280	cf::player->attach (
846	on_command => sub {	1281	on_command => sub {
847	my ($pl, $name, $params) = @_;	1282	my ($pl, $name, $params) = @_;
848		1283
…		…
856	cf::override;	1291	cf::override;
857	},	1292	},
858	on_extcmd => sub {	1293	on_extcmd => sub {
859	my ($pl, $buf) = @_;	1294	my ($pl, $buf) = @_;
860		1295
861	my $msg = eval { from_json $buf };	1296	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
862		1297
863	if (ref $msg) {	1298	if (ref $msg) {
		1299	my ($type, $reply, @payload) =
		1300	"ARRAY" eq ref $msg
		1301	? @$msg
		1302	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1303
		1304	my @reply;
		1305
864	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1306	if (my $cb = $EXTCMD{$type}) {
865	if (my %reply = $cb->($pl, $msg)) {	1307	@reply = $cb->($pl, @payload);
866	$pl->ext_reply ($msg->{msgid}, %reply);
867	}
868	}	1308	}
		1309
		1310	$pl->ext_reply ($reply, @reply)
		1311	if $reply;
		1312
869	} else {	1313	} else {
870	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1314	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
871	}	1315	}
872		1316
873	cf::override;	1317	cf::override;
874	},	1318	},
875	);	1319	);
876		1320
		1321	# "readahead" all extensions
877	sub load_extension {	1322	sub cache_extensions {
878	my ($path) = @_;	1323	my $grp = IO::AIO::aio_group;
879		1324
880	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1325	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
881	my $base = $1;	1326	for (grep /\.ext$/, @{$_[0]}) {
882	my $pkg = $1;	1327	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
883	$pkg =~ s/[^[:word:]]/_/g;
884	$pkg = "ext::$pkg";
885
886	warn "... loading '$path' into '$pkg'\n";
887
888	open my $fh, "<:utf8", $path
889	or die "$path: $!";
890
891	my $source =
892	"package $pkg; use strict; use utf8;\n"
893	. "#line 1 \"$path\"\n{\n"
894	. (do { local $/; <$fh> })
895	. "\n};\n1";
896
897	unless (eval $source) {
898	my $msg = $@ ? "$path: $@\n"
899	: "extension disabled.\n";
900	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
901	warn $@;
902	warn "mandatory extension failed to load, exiting.\n";
903	exit 1;
904	}	1328	}
905	die $@;
906	}	1329	};
907		1330
908	push @EXTS, $pkg;	1331	$grp
909	}	1332	}
910		1333
911	sub load_extensions {	1334	sub load_extensions {
		1335	cf::sync_job {
		1336	my %todo;
		1337
912	for my $ext (<$LIBDIR/*.ext>) {	1338	for my $path (<$LIBDIR/*.ext>) {
913	next unless -r $ext;	1339	next unless -r $path;
914	eval {	1340
915	load_extension $ext;	1341	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1342	my $base = $1;
		1343	my $pkg = $1;
		1344	$pkg =~ s/[^[:word:]]/_/g;
		1345	$pkg = "ext::$pkg";
		1346
		1347	open my $fh, "<:utf8", $path
		1348	or die "$path: $!";
		1349
		1350	my $source = do { local $/; <$fh> };
		1351
		1352	my %ext = (
		1353	path => $path,
		1354	base => $base,
		1355	pkg => $pkg,
		1356	);
		1357
		1358	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1359	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1360
		1361	$ext{source} =
		1362	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1363	. "#line 1 \"$path\"\n{\n"
		1364	. $source
		1365	. "\n};\n1";
		1366
		1367	$todo{$base} = \%ext;
		1368	}
		1369
		1370	my %done;
		1371	while (%todo) {
		1372	my $progress;
		1373
		1374	while (my ($k, $v) = each %todo) {
		1375	for (split /,\s*/, $v->{meta}{depends}) {
		1376	goto skip
		1377	unless exists $done{$_};
		1378	}
		1379
		1380	warn "... loading '$k' into '$v->{pkg}'\n";
		1381
		1382	unless (eval $v->{source}) {
		1383	my $msg = $@ ? "$v->{path}: $@\n"
		1384	: "$v->{base}: extension inactive.\n";
		1385
		1386	if (exists $v->{meta}{mandatory}) {
		1387	warn $msg;
		1388	cf::cleanup "mandatory extension failed to load, exiting.";
		1389	}
		1390
		1391	warn $msg;
		1392	}
		1393
		1394	$done{$k} = delete $todo{$k};
		1395	push @EXTS, $v->{pkg};
		1396	$progress = 1;
916	1	1397	}
917	} or warn "$ext not loaded: $@";	1398
		1399	skip:
		1400	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1401	unless $progress;
		1402	}
918	}	1403	};
919	}	1404	}
920		1405
921	#############################################################################	1406	#############################################################################
922		1407
		1408	=back
		1409
923	=head2 CORE EXTENSIONS	1410	=head2 CORE EXTENSIONS
924		1411
925	Functions and methods that extend core crossfire objects.	1412	Functions and methods that extend core deliantra objects.
926		1413
927	=cut	1414	=cut
928		1415
929	package cf::player;	1416	package cf::player;
930		1417
…		…
932		1419
933	=head3 cf::player	1420	=head3 cf::player
934		1421
935	=over 4	1422	=over 4
936		1423
		1424	=item cf::player::num_playing
		1425
		1426	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1427
		1428	=cut
		1429
		1430	sub num_playing {
		1431	scalar grep
		1432	$_->ob->map
		1433	&& !$_->hidden
		1434	&& !$_->ob->flag (cf::FLAG_WIZ),
		1435	cf::player::list
		1436	}
		1437
937	=item cf::player::find $login	1438	=item cf::player::find $login
938		1439
939	Returns the given player object, loading it if necessary (might block).	1440	Returns the given player object, loading it if necessary (might block).
940		1441
941	=cut	1442	=cut
942		1443
943	sub playerdir($) {	1444	sub playerdir($) {
944	cf::localdir	1445	"$PLAYERDIR/"
945	. "/"
946	. cf::playerdir
947	. "/"
948	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1446	. (ref $_[0] ? $_[0]->ob->name : $_[0])
949	}	1447	}
950		1448
951	sub path($) {	1449	sub path($) {
952	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1450	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
953		1451
954	(playerdir $login) . "/$login.pl"	1452	(playerdir $login) . "/playerdata"
955	}	1453	}
956		1454
957	sub find_active($) {	1455	sub find_active($) {
958	$cf::PLAYER{$_[0]}	1456	$cf::PLAYER{$_[0]}
959	and $cf::PLAYER{$_[0]}->active	1457	and $cf::PLAYER{$_[0]}->active
…		…
962		1460
963	sub exists($) {	1461	sub exists($) {
964	my ($login) = @_;	1462	my ($login) = @_;
965		1463
966	$cf::PLAYER{$login}	1464	$cf::PLAYER{$login}
967	or cf::sync_job { !aio_stat path $login }	1465	or !aio_stat path $login
968	}	1466	}
969		1467
970	sub find($) {	1468	sub find($) {
971	return $cf::PLAYER{$_[0]} || do {	1469	return $cf::PLAYER{$_[0]} || do {
972	my $login = $_[0];	1470	my $login = $_[0];
973		1471
974	my $guard = cf::lock_acquire "user_find:$login";	1472	my $guard = cf::lock_acquire "user_find:$login";
975		1473
976	$cf::PLAYER{$_[0]} || do {	1474	$cf::PLAYER{$_[0]} || do {
977	my $pl = load_pl path $login	1475	# rename old playerfiles to new ones
		1476	#TODO: remove when no longer required
		1477	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1478	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1479	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1480	aio_unlink +(playerdir $login) . "/$login.pl";
		1481
		1482	my $f = new_from_file cf::object::thawer path $login
978	or return;	1483	or return;
		1484
		1485	my $pl = cf::player::load_pl $f
		1486	or return;
		1487
		1488	local $cf::PLAYER_LOADING{$login} = $pl;
		1489	$f->resolve_delayed_derefs;
979	$cf::PLAYER{$login} = $pl	1490	$cf::PLAYER{$login} = $pl
980	}	1491	}
981	}	1492	}
982	}	1493	}
983		1494
…		…
992	return if $pl->{deny_save};	1503	return if $pl->{deny_save};
993		1504
994	aio_mkdir playerdir $pl, 0770;	1505	aio_mkdir playerdir $pl, 0770;
995	$pl->{last_save} = $cf::RUNTIME;	1506	$pl->{last_save} = $cf::RUNTIME;
996		1507
		1508	cf::get_slot 0.01;
		1509
997	$pl->save_pl ($path);	1510	$pl->save_pl ($path);
998	Coro::cede;	1511	cf::cede_to_tick;
999	}	1512	}
1000		1513
1001	sub new($) {	1514	sub new($) {
1002	my ($login) = @_;	1515	my ($login) = @_;
1003		1516
…		…
1009	$cf::PLAYER{$login} = $self;	1522	$cf::PLAYER{$login} = $self;
1010		1523
1011	$self	1524	$self
1012	}	1525	}
1013		1526
		1527	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1528
		1529	=cut
		1530
		1531	sub send_msg {
		1532	my $ns = shift->ns
		1533	or return;
		1534	$ns->send_msg (@_);
		1535	}
		1536
1014	=item $pl->quit_character	1537	=item $pl->quit_character
1015		1538
1016	Nukes the player without looking back. If logged in, the connection will	1539	Nukes the player without looking back. If logged in, the connection will
1017	be destroyed. May block for a long time.	1540	be destroyed. May block for a long time.
1018		1541
1019	=cut	1542	=cut
1020		1543
1021	sub quit_character {	1544	sub quit_character {
1022	my ($pl) = @_;	1545	my ($pl) = @_;
1023		1546
		1547	my $name = $pl->ob->name;
		1548
1024	$pl->{deny_save} = 1;	1549	$pl->{deny_save} = 1;
1025	$pl->password ("*"); # this should lock out the player until we nuked the dir	1550	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1026		1551
1027	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1552	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1028	$pl->deactivate;	1553	$pl->deactivate;
		1554	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1555	$pl->ob->check_score;
1029	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1556	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1030	$pl->ns->destroy if $pl->ns;	1557	$pl->ns->destroy if $pl->ns;
1031		1558
1032	my $path = playerdir $pl;	1559	my $path = playerdir $pl;
1033	my $temp = "$path~$cf::RUNTIME~deleting~";	1560	my $temp = "$path~$cf::RUNTIME~deleting~";
1034	aio_rename $path, $temp;	1561	aio_rename $path, $temp;
1035	delete $cf::PLAYER{$pl->ob->name};	1562	delete $cf::PLAYER{$pl->ob->name};
1036	$pl->destroy;	1563	$pl->destroy;
		1564
		1565	my $prefix = qr<^~\Q$name\E/>;
		1566
		1567	# nuke player maps
		1568	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1569
1037	IO::AIO::aio_rmtree $temp;	1570	IO::AIO::aio_rmtree $temp;
		1571	}
		1572
		1573	=item $pl->kick
		1574
		1575	Kicks a player out of the game. This destroys the connection.
		1576
		1577	=cut
		1578
		1579	sub kick {
		1580	my ($pl, $kicker) = @_;
		1581
		1582	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1583	$pl->killer ("kicked");
		1584	$pl->ns->destroy;
1038	}	1585	}
1039		1586
1040	=item cf::player::list_logins	1587	=item cf::player::list_logins
1041		1588
1042	Returns am arrayref of all valid playernames in the system, can take a	1589	Returns am arrayref of all valid playernames in the system, can take a
1043	while and may block, so not sync_job-capable, ever.	1590	while and may block, so not sync_job-capable, ever.
1044		1591
1045	=cut	1592	=cut
1046		1593
1047	sub list_logins {	1594	sub list_logins {
1048	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1595	my $dirs = aio_readdir $PLAYERDIR
1049	or return [];	1596	or return [];
1050		1597
1051	my @logins;	1598	my @logins;
1052		1599
1053	for my $login (@$dirs) {	1600	for my $login (@$dirs) {
		1601	my $path = path $login;
		1602
		1603	# a .pst is a dead give-away for a valid player
		1604	# if no pst file found, open and chekc for blocked users
		1605	if (aio_stat "$path.pst") {
1054	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1606	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1055	aio_read $fh, 0, 512, my $buf, 0 or next;	1607	aio_read $fh, 0, 512, my $buf, 0 or next;
1056	$buf !~ /^password -------------$/m or next; # official not-valid tag	1608	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1609	}
1057		1610
1058	utf8::decode $login;	1611	utf8::decode $login;
1059	push @logins, $login;	1612	push @logins, $login;
1060	}	1613	}
1061		1614
…		…
1069		1622
1070	=cut	1623	=cut
1071		1624
1072	sub maps($) {	1625	sub maps($) {
1073	my ($pl) = @_;	1626	my ($pl) = @_;
		1627
		1628	$pl = ref $pl ? $pl->ob->name : $pl;
1074		1629
1075	my $files = aio_readdir playerdir $pl	1630	my $files = aio_readdir playerdir $pl
1076	or return;	1631	or return;
1077		1632
1078	my @paths;	1633	my @paths;
…		…
1080	for (@$files) {	1635	for (@$files) {
1081	utf8::decode $_;	1636	utf8::decode $_;
1082	next if /\.(?:pl|pst)$/;	1637	next if /\.(?:pl|pst)$/;
1083	next unless /^$PATH_SEP/o;	1638	next unless /^$PATH_SEP/o;
1084		1639
1085	push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_;	1640	push @paths, cf::map::normalise "~$pl/$_";
1086	}	1641	}
1087		1642
1088	\@paths	1643	\@paths
1089	}	1644	}
1090		1645
		1646	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1647
		1648	Expand deliantra pod fragments into protocol xml.
		1649
1091	=item $player->ext_reply ($msgid, $msgtype, %msg)	1650	=item $player->ext_reply ($msgid, @msg)
1092		1651
1093	Sends an ext reply to the player.	1652	Sends an ext reply to the player.
1094		1653
1095	=cut	1654	=cut
1096		1655
1097	sub ext_reply($$$%) {	1656	sub ext_reply($$@) {
1098	my ($self, $id, %msg) = @_;	1657	my ($self, $id, @msg) = @_;
1099		1658
1100	$msg{msgid} = $id;	1659	$self->ns->ext_reply ($id, @msg)
1101
1102	$self->send ("ext " . cf::to_json \%msg);
1103	}	1660	}
1104		1661
1105	package cf;	1662	=item $player->ext_msg ($type, @msg)
		1663
		1664	Sends an ext event to the client.
		1665
		1666	=cut
		1667
		1668	sub ext_msg($$@) {
		1669	my ($self, $type, @msg) = @_;
		1670
		1671	$self->ns->ext_msg ($type, @msg);
		1672	}
		1673
		1674	=head3 cf::region
		1675
		1676	=over 4
		1677
		1678	=cut
		1679
		1680	package cf::region;
		1681
		1682	=item cf::region::find_by_path $path
		1683
		1684	Tries to decuce the likely region for a map knowing only its path.
		1685
		1686	=cut
		1687
		1688	sub find_by_path($) {
		1689	my ($path) = @_;
		1690
		1691	my ($match, $specificity);
		1692
		1693	for my $region (list) {
		1694	if ($region->{match} && $path =~ $region->{match}) {
		1695	($match, $specificity) = ($region, $region->specificity)
		1696	if $region->specificity > $specificity;
		1697	}
		1698	}
		1699
		1700	$match
		1701	}
1106		1702
1107	=back	1703	=back
1108
1109		1704
1110	=head3 cf::map	1705	=head3 cf::map
1111		1706
1112	=over 4	1707	=over 4
1113		1708
…		…
1125	our $MAX_RESET = 3600;	1720	our $MAX_RESET = 3600;
1126	our $DEFAULT_RESET = 3000;	1721	our $DEFAULT_RESET = 3000;
1127		1722
1128	sub generate_random_map {	1723	sub generate_random_map {
1129	my ($self, $rmp) = @_;	1724	my ($self, $rmp) = @_;
		1725
		1726	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1727
1130	# mit "rum" bekleckern, nicht	1728	# mit "rum" bekleckern, nicht
1131	$self->_create_random_map (	1729	$self->_create_random_map (
1132	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1730	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1133	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1731	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1134	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1732	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1168	my ($self, $merge) = @_;	1766	my ($self, $merge) = @_;
1169		1767
1170	# we have to keep some variables in memory intact	1768	# we have to keep some variables in memory intact
1171	local $self->{path};	1769	local $self->{path};
1172	local $self->{load_path};	1770	local $self->{load_path};
1173	local $self->{deny_save};
1174	local $self->{deny_reset};
1175		1771
1176	$self->SUPER::thawer_merge ($merge);	1772	$self->SUPER::thawer_merge ($merge);
1177	}	1773	}
1178		1774
1179	sub normalise {	1775	sub normalise {
…		…
1226	$self->init; # pass $1 etc.	1822	$self->init; # pass $1 etc.
1227	return $self;	1823	return $self;
1228	}	1824	}
1229	}	1825	}
1230		1826
1231	Carp::carp "unable to resolve path '$path' (base '$base').";	1827	Carp::cluck "unable to resolve path '$path' (base '$base').";
1232	()	1828	()
1233	}	1829	}
1234		1830
1235	sub init {	1831	sub init {
1236	my ($self) = @_;	1832	my ($self) = @_;
…		…
1251		1847
1252	# the original (read-only) location	1848	# the original (read-only) location
1253	sub load_path {	1849	sub load_path {
1254	my ($self) = @_;	1850	my ($self) = @_;
1255		1851
1256	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1852	"$MAPDIR/$self->{path}.map"
1257	}	1853	}
1258		1854
1259	# the temporary/swap location	1855	# the temporary/swap location
1260	sub save_path {	1856	sub save_path {
1261	my ($self) = @_;	1857	my ($self) = @_;
1262		1858
1263	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1859	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1264	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1860	"$TMPDIR/$path.map"
1265	}	1861	}
1266		1862
1267	# the unique path, undef == no special unique path	1863	# the unique path, undef == no special unique path
1268	sub uniq_path {	1864	sub uniq_path {
1269	my ($self) = @_;	1865	my ($self) = @_;
1270		1866
1271	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1867	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1272	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1868	"$UNIQUEDIR/$path"
1273	}	1869	}
1274		1870
1275	# and all this just because we cannot iterate over	1871	sub decay_objects {
1276	# all maps in C++...
1277	sub change_all_map_light {
1278	my ($change) = @_;	1872	my ($self) = @_;
1279		1873
1280	$_->change_map_light ($change)	1874	return if $self->{deny_reset};
1281	for grep $_->outdoor, values %cf::MAP;	1875
		1876	$self->do_decay_objects;
1282	}	1877	}
1283		1878
1284	sub unlink_save {	1879	sub unlink_save {
1285	my ($self) = @_;	1880	my ($self) = @_;
1286		1881
…		…
1291		1886
1292	sub load_header_from($) {	1887	sub load_header_from($) {
1293	my ($self, $path) = @_;	1888	my ($self, $path) = @_;
1294		1889
1295	utf8::encode $path;	1890	utf8::encode $path;
1296	aio_open $path, O_RDONLY, 0	1891	my $f = new_from_file cf::object::thawer $path
1297	or return;	1892	or return;
1298		1893
1299	$self->_load_header ($path)	1894	$self->_load_header ($f)
1300	or return;	1895	or return;
		1896
		1897	local $MAP_LOADING{$self->{path}} = $self;
		1898	$f->resolve_delayed_derefs;
1301		1899
1302	$self->{load_path} = $path;	1900	$self->{load_path} = $path;
1303		1901
1304	1	1902	1
1305	}	1903	}
…		…
1344	$self->load_header_orig	1942	$self->load_header_orig
1345	or return;	1943	or return;
1346	$self->prepare_orig;	1944	$self->prepare_orig;
1347	}	1945	}
1348		1946
		1947	$self->{deny_reset} = 1
		1948	if $self->no_reset;
		1949
		1950	$self->default_region (cf::region::find_by_path $self->{path})
		1951	unless $self->default_region;
		1952
1349	1	1953	1
1350	}	1954	}
1351		1955
1352	sub find;	1956	sub find;
1353	sub find {	1957	sub find {
1354	my ($path, $origin) = @_;	1958	my ($path, $origin) = @_;
1355		1959
1356	$path = normalise $path, $origin && $origin->path;	1960	$path = normalise $path, $origin && $origin->path;
1357		1961
		1962	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1358	cf::lock_wait "map_find:$path";	1963	my $guard2 = cf::lock_acquire "map_find:$path";
1359		1964
1360	$cf::MAP{$path} || do {	1965	$cf::MAP{$path} || do {
1361	my $guard = cf::lock_acquire "map_find:$path";
1362	my $map = new_from_path cf::map $path	1966	my $map = new_from_path cf::map $path
1363	or return;	1967	or return;
1364		1968
1365	$map->{last_save} = $cf::RUNTIME;	1969	$map->{last_save} = $cf::RUNTIME;
1366		1970
1367	$map->load_header	1971	$map->load_header
1368	or return;	1972	or return;
1369		1973
1370	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1974	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1371	# doing this can freeze the server in a sync job, obviously	1975	# doing this can freeze the server in a sync job, obviously
1372	#$cf::WAIT_FOR_TICK->wait;	1976	#$cf::WAIT_FOR_TICK->wait;
		1977	undef $guard2;
		1978	undef $guard1;
1373	$map->reset;	1979	$map->reset;
1374	undef $guard;
1375	return find $path;	1980	return find $path;
1376	}	1981	}
1377		1982
1378	$cf::MAP{$path} = $map	1983	$cf::MAP{$path} = $map
1379	}	1984	}
…		…
1386	my ($self) = @_;	1991	my ($self) = @_;
1387		1992
1388	local $self->{deny_reset} = 1; # loading can take a long time	1993	local $self->{deny_reset} = 1; # loading can take a long time
1389		1994
1390	my $path = $self->{path};	1995	my $path = $self->{path};
		1996
		1997	{
1391	my $guard = cf::lock_acquire "map_load:$path";	1998	my $guard = cf::lock_acquire "map_data:$path";
1392		1999
		2000	return unless $self->valid;
1393	return if $self->in_memory != cf::MAP_SWAPPED;	2001	return unless $self->in_memory == cf::MAP_SWAPPED;
1394		2002
1395	$self->in_memory (cf::MAP_LOADING);	2003	$self->in_memory (cf::MAP_LOADING);
1396		2004
1397	$self->alloc;	2005	$self->alloc;
1398		2006
1399	$self->pre_load;	2007	$self->pre_load;
		2008	cf::cede_to_tick;
1400		2009
1401	$self->_load_objects ($self->{load_path}, 1)	2010	my $f = new_from_file cf::object::thawer $self->{load_path};
		2011	$f->skip_block;
		2012	$self->_load_objects ($f)
1402	or return;	2013	or return;
1403		2014
1404	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2015	$self->post_load_original
1405	if delete $self->{load_original};	2016	if delete $self->{load_original};
1406		2017
1407	if (my $uniq = $self->uniq_path) {	2018	if (my $uniq = $self->uniq_path) {
1408	utf8::encode $uniq;	2019	utf8::encode $uniq;
1409	if (aio_open $uniq, O_RDONLY, 0) {	2020	unless (aio_stat $uniq) {
		2021	if (my $f = new_from_file cf::object::thawer $uniq) {
1410	$self->clear_unique_items;	2022	$self->clear_unique_items;
1411	$self->_load_objects ($uniq, 0);	2023	$self->_load_objects ($f);
		2024	$f->resolve_delayed_derefs;
		2025	}
1412	}	2026	}
1413	}	2027	}
1414		2028
1415	Coro::cede;	2029	$f->resolve_delayed_derefs;
1416		2030
		2031	cf::cede_to_tick;
1417	# now do the right thing for maps	2032	# now do the right thing for maps
1418	$self->link_multipart_objects;	2033	$self->link_multipart_objects;
1419
1420	unless ($self->{deny_activate}) {
1421	$self->decay_objects;
1422	$self->fix_auto_apply;
1423	$self->update_buttons;
1424	Coro::cede;
1425	$self->set_darkness_map;
1426	$self->difficulty ($self->estimate_difficulty)	2034	$self->difficulty ($self->estimate_difficulty)
1427	unless $self->difficulty;	2035	unless $self->difficulty;
1428	Coro::cede;	2036	cf::cede_to_tick;
		2037
		2038	unless ($self->{deny_activate}) {
		2039	$self->decay_objects;
		2040	$self->fix_auto_apply;
		2041	$self->update_buttons;
		2042	cf::cede_to_tick;
1429	$self->activate;	2043	$self->activate;
		2044	}
		2045
		2046	$self->{last_save} = $cf::RUNTIME;
		2047	$self->last_access ($cf::RUNTIME);
		2048
		2049	$self->in_memory (cf::MAP_ACTIVE);
1430	}	2050	}
1431		2051
1432	$self->post_load;	2052	$self->post_load;
1433
1434	$self->in_memory (cf::MAP_IN_MEMORY);
1435	}	2053	}
1436		2054
1437	sub customise_for {	2055	sub customise_for {
1438	my ($self, $ob) = @_;	2056	my ($self, $ob) = @_;
1439		2057
1440	return find "~" . $ob->name . "/" . $self->{path}	2058	return find "~" . $ob->name . "/" . $self->{path}
1441	if $self->per_player;	2059	if $self->per_player;
1442		2060
		2061	# return find "?party/" . $ob->name . "/" . $self->{path}
		2062	# if $self->per_party;
		2063
1443	$self	2064	$self
1444	}	2065	}
1445		2066
1446	# find and load all maps in the 3x3 area around a map	2067	# find and load all maps in the 3x3 area around a map
1447	sub load_diag {	2068	sub load_neighbours {
1448	my ($map) = @_;	2069	my ($map) = @_;
1449		2070
1450	my @diag; # diagonal neighbours	2071	my @neigh; # diagonal neighbours
1451		2072
1452	for (0 .. 3) {	2073	for (0 .. 3) {
1453	my $neigh = $map->tile_path ($_)	2074	my $neigh = $map->tile_path ($_)
1454	or next;	2075	or next;
1455	$neigh = find $neigh, $map	2076	$neigh = find $neigh, $map
1456	or next;	2077	or next;
1457	$neigh->load;	2078	$neigh->load;
1458		2079
		2080	push @neigh,
1459	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2081	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1460	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2082	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1461	}	2083	}
1462		2084
1463	for (@diag) {	2085	for (grep defined $_->[0], @neigh) {
		2086	my ($path, $origin) = @$_;
1464	my $neigh = find @$_	2087	my $neigh = find $path, $origin
1465	or next;	2088	or next;
1466	$neigh->load;	2089	$neigh->load;
1467	}	2090	}
1468	}	2091	}
1469		2092
…		…
1474	}	2097	}
1475		2098
1476	sub do_load_sync {	2099	sub do_load_sync {
1477	my ($map) = @_;	2100	my ($map) = @_;
1478		2101
		2102	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2103	if $Coro::current == $Coro::main;
		2104
1479	cf::sync_job { $map->load };	2105	cf::sync_job { $map->load };
1480	}	2106	}
1481		2107
1482	our %MAP_PREFETCH;	2108	our %MAP_PREFETCH;
1483	our $MAP_PREFETCHER = undef;	2109	our $MAP_PREFETCHER = undef;
1484		2110
1485	sub find_async {	2111	sub find_async {
1486	my ($path, $origin) = @_;	2112	my ($path, $origin, $load) = @_;
1487		2113
1488	$path = normalise $path, $origin && $origin->{path};	2114	$path = normalise $path, $origin && $origin->{path};
1489		2115
1490	if (my $map = $cf::MAP{$path}) {	2116	if (my $map = $cf::MAP{$path}) {
1491	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2117	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1492	}	2118	}
1493		2119
1494	undef $MAP_PREFETCH{$path};	2120	$MAP_PREFETCH{$path} |= $load;
		2121
1495	$MAP_PREFETCHER ||= cf::async {	2122	$MAP_PREFETCHER ||= cf::async {
		2123	$Coro::current->{desc} = "map prefetcher";
		2124
1496	while (%MAP_PREFETCH) {	2125	while (%MAP_PREFETCH) {
1497	for my $path (keys %MAP_PREFETCH) {	2126	while (my ($k, $v) = each %MAP_PREFETCH) {
1498	my $map = find $path	2127	if (my $map = find $k) {
1499	or next;
1500	$map->load;	2128	$map->load if $v;
		2129	}
1501		2130
1502	delete $MAP_PREFETCH{$path};	2131	delete $MAP_PREFETCH{$k};
1503	}	2132	}
1504	}	2133	}
1505	undef $MAP_PREFETCHER;	2134	undef $MAP_PREFETCHER;
1506	};	2135	};
1507	$MAP_PREFETCHER->prio (6);	2136	$MAP_PREFETCHER->prio (6);
…		…
1510	}	2139	}
1511		2140
1512	sub save {	2141	sub save {
1513	my ($self) = @_;	2142	my ($self) = @_;
1514		2143
1515	my $lock = cf::lock_acquire "map_data:" . $self->path;	2144	my $lock = cf::lock_acquire "map_data:$self->{path}";
1516		2145
1517	$self->{last_save} = $cf::RUNTIME;	2146	$self->{last_save} = $cf::RUNTIME;
1518		2147
1519	return unless $self->dirty;	2148	return unless $self->dirty;
1520		2149
…		…
1526	return if $self->{deny_save};	2155	return if $self->{deny_save};
1527		2156
1528	local $self->{last_access} = $self->last_access;#d#	2157	local $self->{last_access} = $self->last_access;#d#
1529		2158
1530	cf::async {	2159	cf::async {
		2160	$Coro::current->{desc} = "map player save";
1531	$_->contr->save for $self->players;	2161	$_->contr->save for $self->players;
1532	};	2162	};
		2163
		2164	cf::get_slot 0.02;
1533		2165
1534	if ($uniq) {	2166	if ($uniq) {
1535	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2167	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1536	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2168	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1537	} else {	2169	} else {
…		…
1543	my ($self) = @_;	2175	my ($self) = @_;
1544		2176
1545	# save first because save cedes	2177	# save first because save cedes
1546	$self->save;	2178	$self->save;
1547		2179
1548	my $lock = cf::lock_acquire "map_data:" . $self->path;	2180	my $lock = cf::lock_acquire "map_data:$self->{path}";
1549		2181
1550	return if $self->players;	2182	return if $self->players;
1551	return if $self->in_memory != cf::MAP_IN_MEMORY;	2183	return if $self->in_memory != cf::MAP_ACTIVE;
1552	return if $self->{deny_save};	2184	return if $self->{deny_save};
1553		2185
		2186	$self->in_memory (cf::MAP_SWAPPED);
		2187
		2188	$self->deactivate;
		2189	$_->clear_links_to ($self) for values %cf::MAP;
1554	$self->clear;	2190	$self->clear;
1555	$self->in_memory (cf::MAP_SWAPPED);
1556	}	2191	}
1557		2192
1558	sub reset_at {	2193	sub reset_at {
1559	my ($self) = @_;	2194	my ($self) = @_;
1560		2195
1561	# TODO: safety, remove and allow resettable per-player maps	2196	# TODO: safety, remove and allow resettable per-player maps
1562	return 1e99 if $self->isa ("ext::map_per_player");#d#
1563	return 1e99 if $self->{deny_reset};	2197	return 1e99 if $self->{deny_reset};
1564		2198
1565	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2199	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1566	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2200	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1567		2201
…		…
1578	my ($self) = @_;	2212	my ($self) = @_;
1579		2213
1580	my $lock = cf::lock_acquire "map_data:$self->{path}";	2214	my $lock = cf::lock_acquire "map_data:$self->{path}";
1581		2215
1582	return if $self->players;	2216	return if $self->players;
1583	return if $self->isa ("ext::map_per_player");#d#
1584		2217
1585	warn "resetting map ", $self->path;#d#	2218	warn "resetting map ", $self->path;
		2219
		2220	$self->in_memory (cf::MAP_SWAPPED);
		2221
		2222	# need to save uniques path
		2223	unless ($self->{deny_save}) {
		2224	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2225
		2226	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2227	if $uniq;
		2228	}
1586		2229
1587	delete $cf::MAP{$self->path};	2230	delete $cf::MAP{$self->path};
1588		2231
1589	$self->in_memory (cf::MAP_SWAPPED);	2232	$self->deactivate;
		2233	$_->clear_links_to ($self) for values %cf::MAP;
1590	$self->clear;	2234	$self->clear;
1591
1592	$_->clear_links_to ($self) for values %cf::MAP;
1593		2235
1594	$self->unlink_save;	2236	$self->unlink_save;
1595	$self->destroy;	2237	$self->destroy;
1596	}	2238	}
1597		2239
1598	my $nuke_counter = "aaaa";	2240	my $nuke_counter = "aaaa";
1599		2241
1600	sub nuke {	2242	sub nuke {
1601	my ($self) = @_;	2243	my ($self) = @_;
1602		2244
		2245	{
		2246	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2247
1603	delete $cf::MAP{$self->path};	2248	delete $cf::MAP{$self->path};
1604		2249
1605	$self->unlink_save;	2250	$self->unlink_save;
1606		2251
1607	bless $self, "cf::map";	2252	bless $self, "cf::map";
1608	delete $self->{deny_reset};	2253	delete $self->{deny_reset};
1609	$self->{deny_save} = 1;	2254	$self->{deny_save} = 1;
1610	$self->reset_timeout (1);	2255	$self->reset_timeout (1);
1611	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2256	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1612		2257
1613	$cf::MAP{$self->path} = $self;	2258	$cf::MAP{$self->path} = $self;
		2259	}
1614		2260
1615	$self->reset; # polite request, might not happen	2261	$self->reset; # polite request, might not happen
		2262	}
		2263
		2264	=item $maps = cf::map::tmp_maps
		2265
		2266	Returns an arrayref with all map paths of currently instantiated and saved
		2267	maps. May block.
		2268
		2269	=cut
		2270
		2271	sub tmp_maps() {
		2272	[
		2273	map {
		2274	utf8::decode $_;
		2275	/\.map$/
		2276	? normalise $_
		2277	: ()
		2278	} @{ aio_readdir $TMPDIR or [] }
		2279	]
		2280	}
		2281
		2282	=item $maps = cf::map::random_maps
		2283
		2284	Returns an arrayref with all map paths of currently instantiated and saved
		2285	random maps. May block.
		2286
		2287	=cut
		2288
		2289	sub random_maps() {
		2290	[
		2291	map {
		2292	utf8::decode $_;
		2293	/\.map$/
		2294	? normalise "?random/$_"
		2295	: ()
		2296	} @{ aio_readdir $RANDOMDIR or [] }
		2297	]
1616	}	2298	}
1617		2299
1618	=item cf::map::unique_maps	2300	=item cf::map::unique_maps
1619		2301
1620	Returns an arrayref of paths of all shared maps that have	2302	Returns an arrayref of paths of all shared maps that have
1621	instantiated unique items. May block.	2303	instantiated unique items. May block.
1622		2304
1623	=cut	2305	=cut
1624		2306
1625	sub unique_maps() {	2307	sub unique_maps() {
1626	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2308	[
1627	or return;	2309	map {
1628
1629	my @paths;
1630
1631	for (@$files) {
1632	utf8::decode $_;	2310	utf8::decode $_;
1633	next if /\.pst$/;	2311	s/\.map$//; # TODO future compatibility hack
1634	next unless /^$PATH_SEP/o;	2312	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1635		2313	? ()
1636	push @paths, cf::map::normalise $_;	2314	: normalise $_
		2315	} @{ aio_readdir $UNIQUEDIR or [] }
1637	}	2316	]
1638
1639	\@paths
1640	}	2317	}
1641
1642	package cf;
1643		2318
1644	=back	2319	=back
1645		2320
1646	=head3 cf::object	2321	=head3 cf::object
1647		2322
…		…
1651		2326
1652	=over 4	2327	=over 4
1653		2328
1654	=item $ob->inv_recursive	2329	=item $ob->inv_recursive
1655		2330
1656	Returns the inventory of the object _and_ their inventories, recursively.	2331	Returns the inventory of the object I<and> their inventories, recursively,
		2332	but I<not> the object itself.
1657		2333
1658	=cut	2334	=cut
1659		2335
1660	sub inv_recursive_;	2336	sub inv_recursive_;
1661	sub inv_recursive_ {	2337	sub inv_recursive_ {
…		…
1664		2340
1665	sub inv_recursive {	2341	sub inv_recursive {
1666	inv_recursive_ inv $_[0]	2342	inv_recursive_ inv $_[0]
1667	}	2343	}
1668		2344
		2345	=item $ref = $ob->ref
		2346
		2347	Creates and returns a persistent reference to an object that can be stored as a string.
		2348
		2349	=item $ob = cf::object::deref ($refstring)
		2350
		2351	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2352	even if the object actually exists. May block.
		2353
		2354	=cut
		2355
		2356	sub deref {
		2357	my ($ref) = @_;
		2358
		2359	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2360	my ($uuid, $name) = ($1, $2);
		2361	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2362	or return;
		2363	$pl->ob->uuid eq $uuid
		2364	or return;
		2365
		2366	$pl->ob
		2367	} else {
		2368	warn "$ref: cannot resolve object reference\n";
		2369	undef
		2370	}
		2371	}
		2372
1669	package cf;	2373	package cf;
1670		2374
1671	=back	2375	=back
1672		2376
1673	=head3 cf::object::player	2377	=head3 cf::object::player
…		…
1679	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2383	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1680	can be C<undef>. Does the right thing when the player is currently in a	2384	can be C<undef>. Does the right thing when the player is currently in a
1681	dialogue with the given NPC character.	2385	dialogue with the given NPC character.
1682		2386
1683	=cut	2387	=cut
		2388
		2389	our $SAY_CHANNEL = {
		2390	id => "say",
		2391	title => "Map",
		2392	reply => "say ",
		2393	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2394	};
		2395
		2396	our $CHAT_CHANNEL = {
		2397	id => "chat",
		2398	title => "Chat",
		2399	reply => "chat ",
		2400	tooltip => "Player chat and shouts, global to the server.",
		2401	};
1684		2402
1685	# rough implementation of a future "reply" method that works	2403	# rough implementation of a future "reply" method that works
1686	# with dialog boxes.	2404	# with dialog boxes.
1687	#TODO: the first argument must go, split into a $npc->reply_to ( method	2405	#TODO: the first argument must go, split into a $npc->reply_to ( method
1688	sub cf::object::player::reply($$$;$) {	2406	sub cf::object::player::reply($$$;$) {
…		…
1690		2408
1691	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2409	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1692		2410
1693	if ($self->{record_replies}) {	2411	if ($self->{record_replies}) {
1694	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2412	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2413
1695	} else {	2414	} else {
		2415	my $pl = $self->contr;
		2416
		2417	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2418	my $dialog = $pl->{npc_dialog};
		2419	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2420
		2421	} else {
1696	$msg = $npc->name . " says: $msg" if $npc;	2422	$msg = $npc->name . " says: $msg" if $npc;
1697	$self->message ($msg, $flags);	2423	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2424	}
1698	}	2425	}
		2426	}
		2427
		2428	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2429
		2430	=cut
		2431
		2432	sub cf::object::send_msg {
		2433	my $pl = shift->contr
		2434	or return;
		2435	$pl->send_msg (@_);
1699	}	2436	}
1700		2437
1701	=item $player_object->may ("access")	2438	=item $player_object->may ("access")
1702		2439
1703	Returns wether the given player is authorized to access resource "access"	2440	Returns wether the given player is authorized to access resource "access"
…		…
1716		2453
1717	=item $player_object->enter_link	2454	=item $player_object->enter_link
1718		2455
1719	Freezes the player and moves him/her to a special map (C<{link}>).	2456	Freezes the player and moves him/her to a special map (C<{link}>).
1720		2457
1721	The player should be reasonably safe there for short amounts of time. You	2458	The player should be reasonably safe there for short amounts of time (e.g.
1722	I<MUST> call C<leave_link> as soon as possible, though.	2459	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2460	though, as the palyer cannot control the character while it is on the link
		2461	map.
1723		2462
1724	Will never block.	2463	Will never block.
1725		2464
1726	=item $player_object->leave_link ($map, $x, $y)	2465	=item $player_object->leave_link ($map, $x, $y)
1727		2466
…		…
1750	$self->deactivate_recursive;	2489	$self->deactivate_recursive;
1751		2490
1752	return if UNIVERSAL::isa $self->map, "ext::map_link";	2491	return if UNIVERSAL::isa $self->map, "ext::map_link";
1753		2492
1754	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2493	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1755	if $self->map;	2494	if $self->map && $self->map->{path} ne "{link}";
1756		2495
1757	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2496	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1758	}	2497	}
1759		2498
1760	sub cf::object::player::leave_link {	2499	sub cf::object::player::leave_link {
1761	my ($self, $map, $x, $y) = @_;	2500	my ($self, $map, $x, $y) = @_;
		2501
		2502	return unless $self->contr->active;
1762		2503
1763	my $link_pos = delete $self->{_link_pos};	2504	my $link_pos = delete $self->{_link_pos};
1764		2505
1765	unless ($map) {	2506	unless ($map) {
1766	# restore original map position	2507	# restore original map position
…		…
1780	# use -1 or undef as default coordinates, not 0, 0	2521	# use -1 or undef as default coordinates, not 0, 0
1781	($x, $y) = ($map->enter_x, $map->enter_y)	2522	($x, $y) = ($map->enter_x, $map->enter_y)
1782	if $x <=0 && $y <= 0;	2523	if $x <=0 && $y <= 0;
1783		2524
1784	$map->load;	2525	$map->load;
1785	$map->load_diag;	2526	$map->load_neighbours;
1786		2527
1787	return unless $self->contr->active;	2528	return unless $self->contr->active;
		2529	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1788	$self->activate_recursive;	2530	$self->activate_recursive;
		2531
		2532	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1789	$self->enter_map ($map, $x, $y);	2533	$self->enter_map ($map, $x, $y);
1790	}	2534	}
1791		2535
1792	cf::player->attach (	2536	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1793	on_logout => sub {
1794	my ($pl) = @_;
1795		2537
1796	# abort map switching before logout	2538	Moves the player to the given map-path and coordinates by first freezing
1797	if ($pl->ob->{_link_pos}) {	2539	her, loading and preparing them map, calling the provided $check callback
1798	cf::sync_job {	2540	that has to return the map if sucecssful, and then unfreezes the player on
1799	$pl->ob->leave_link	2541	the new (success) or old (failed) map position. In either case, $done will
1800	};	2542	be called at the end of this process.
1801	}
1802	},
1803	on_login => sub {
1804	my ($pl) = @_;
1805		2543
1806	# try to abort aborted map switching on player login :)	2544	Note that $check will be called with a potentially non-loaded map, so if
1807	# should happen only on crashes	2545	it needs a loaded map it has to call C<< ->load >>.
1808	if ($pl->ob->{_link_pos}) {
1809	$pl->ob->enter_link;
1810	(async {
1811	# we need this sleep as the login has a concurrent enter_exit running
1812	# and this sleep increases chances of the player not ending up in scorn
1813	$pl->ob->reply (undef,
1814	"There was an internal problem at your last logout, "
1815	. "the server will try to bring you to your intended destination in a second.",
1816	cf::NDI_RED);
1817	Coro::Timer::sleep 1;
1818	$pl->ob->leave_link;
1819	})->prio (2);
1820	}
1821	},
1822	);
1823		2546
1824	=item $player_object->goto ($path, $x, $y)
1825
1826	=cut	2547	=cut
		2548
		2549	our $GOTOGEN;
1827		2550
1828	sub cf::object::player::goto {	2551	sub cf::object::player::goto {
1829	my ($self, $path, $x, $y) = @_;	2552	my ($self, $path, $x, $y, $check, $done) = @_;
		2553
		2554	# do generation counting so two concurrent goto's will be executed in-order
		2555	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1830		2556
1831	$self->enter_link;	2557	$self->enter_link;
1832		2558
1833	(async {	2559	(async {
		2560	$Coro::current->{desc} = "player::goto $path $x $y";
		2561
		2562	# *tag paths override both path and x|y
		2563	if ($path =~ /^\*(.*)$/) {
		2564	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2565	my $ob = $obs[rand @obs];
		2566
		2567	# see if we actually can go there
		2568	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2569	$ob = $obs[rand @obs];
		2570	} else {
		2571	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2572	}
		2573	# else put us there anyways for now #d#
		2574
		2575	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2576	} else {
		2577	($path, $x, $y) = (undef, undef, undef);
		2578	}
		2579	}
		2580
1834	my $map = eval {	2581	my $map = eval {
1835	my $map = cf::map::find $path;	2582	my $map = defined $path ? cf::map::find $path : undef;
		2583
		2584	if ($map) {
1836	$map = $map->customise_for ($self) if $map;	2585	$map = $map->customise_for ($self);
		2586	$map = $check->($map) if $check && $map;
		2587	} else {
		2588	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2589	}
		2590
1837	$map	2591	$map
		2592	};
		2593
		2594	if ($@) {
		2595	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2596	LOG llevError | logBacktrace, Carp::longmess $@;
1838	} or	2597	}
1839	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1840		2598
		2599	if ($gen == $self->{_goto_generation}) {
		2600	delete $self->{_goto_generation};
1841	$self->leave_link ($map, $x, $y);	2601	$self->leave_link ($map, $x, $y);
		2602	}
		2603
		2604	$done->() if $done;
1842	})->prio (1);	2605	})->prio (1);
1843	}	2606	}
1844		2607
1845	=item $player_object->enter_exit ($exit_object)	2608	=item $player_object->enter_exit ($exit_object)
1846		2609
…		…
1866	}	2629	}
1867		2630
1868	sub prepare_random_map {	2631	sub prepare_random_map {
1869	my ($exit) = @_;	2632	my ($exit) = @_;
1870		2633
1871	my $guard = cf::lock_acquire "exit_prepare:$exit";
1872
1873	# all this does is basically replace the /! path by	2634	# all this does is basically replace the /! path by
1874	# a new random map path (?random/...) with a seed	2635	# a new random map path (?random/...) with a seed
1875	# that depends on the exit object	2636	# that depends on the exit object
1876		2637
1877	my $rmp = parse_random_map_params $exit->msg;	2638	my $rmp = parse_random_map_params $exit->msg;
…		…
1879	if ($exit->map) {	2640	if ($exit->map) {
1880	$rmp->{region} = $exit->region->name;	2641	$rmp->{region} = $exit->region->name;
1881	$rmp->{origin_map} = $exit->map->path;	2642	$rmp->{origin_map} = $exit->map->path;
1882	$rmp->{origin_x} = $exit->x;	2643	$rmp->{origin_x} = $exit->x;
1883	$rmp->{origin_y} = $exit->y;	2644	$rmp->{origin_y} = $exit->y;
		2645
		2646	$exit->map->touch;
1884	}	2647	}
1885		2648
1886	$rmp->{random_seed} ||= $exit->random_seed;	2649	$rmp->{random_seed} ||= $exit->random_seed;
1887		2650
1888	my $data = cf::to_json $rmp;	2651	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1889	my $md5 = Digest::MD5::md5_hex $data;	2652	my $md5 = Digest::MD5::md5_hex $data;
1890	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2653	my $meta = "$RANDOMDIR/$md5.meta";
1891		2654
1892	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2655	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1893	aio_write $fh, 0, (length $data), $data, 0;	2656	aio_write $fh, 0, (length $data), $data, 0;
1894	undef $fh;	2657	undef $fh;
1895	aio_rename "$meta~", $meta;	2658	aio_rename "$meta~", $meta;
1896		2659
		2660	my $slaying = "?random/$md5";
		2661
		2662	if ($exit->valid) {
1897	$exit->slaying ("?random/$md5");	2663	$exit->slaying ("?random/$md5");
1898	$exit->msg (undef);	2664	$exit->msg (undef);
		2665	}
1899	}	2666	}
1900	}	2667	}
1901		2668
1902	sub cf::object::player::enter_exit {	2669	sub cf::object::player::enter_exit {
1903	my ($self, $exit) = @_;	2670	my ($self, $exit) = @_;
1904		2671
1905	return unless $self->type == cf::PLAYER;	2672	return unless $self->type == cf::PLAYER;
1906		2673
1907	if ($exit->slaying eq "/!") {
1908	#TODO: this should de-fi-ni-te-ly not be a sync-job
1909	cf::sync_job { prepare_random_map $exit };
1910	}
1911
1912	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1913	my $hp = $exit->stats->hp;
1914	my $sp = $exit->stats->sp;
1915
1916	$self->enter_link;	2674	$self->enter_link;
1917		2675
1918	(async {	2676	(async {
1919	$self->deactivate_recursive; # just to be sure	2677	$Coro::current->{desc} = "enter_exit";
		2678
1920	unless (eval {	2679	unless (eval {
		2680	$self->deactivate_recursive; # just to be sure
		2681
		2682	# random map handling
		2683	{
		2684	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2685
		2686	prepare_random_map $exit
		2687	if $exit->slaying eq "/!";
		2688	}
		2689
		2690	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2691	my $x = $exit->stats->hp;
		2692	my $y = $exit->stats->sp;
		2693
1921	$self->goto ($slaying, $hp, $sp);	2694	$self->goto ($map, $x, $y);
1922		2695
		2696	# if exit is damned, update players death & WoR home-position
		2697	$self->contr->savebed ($map, $x, $y)
		2698	if $exit->flag (cf::FLAG_DAMNED);
		2699
1923	1;	2700	1
1924	}) {	2701	}) {
1925	$self->message ("Something went wrong deep within the crossfire server. "	2702	$self->message ("Something went wrong deep within the deliantra server. "
1926	. "I'll try to bring you back to the map you were before. "	2703	. "I'll try to bring you back to the map you were before. "
1927	. "Please report this to the dungeon master!",	2704	. "Please report this to the dungeon master!",
1928	cf::NDI_UNIQUE | cf::NDI_RED);	2705	cf::NDI_UNIQUE | cf::NDI_RED);
1929		2706
1930	warn "ERROR in enter_exit: $@";	2707	warn "ERROR in enter_exit: $@";
1931	$self->leave_link;	2708	$self->leave_link;
1932	}	2709	}
1933	})->prio (1);	2710	})->prio (1);
…		…
1946		2723
1947	sub cf::client::send_drawinfo {	2724	sub cf::client::send_drawinfo {
1948	my ($self, $text, $flags) = @_;	2725	my ($self, $text, $flags) = @_;
1949		2726
1950	utf8::encode $text;	2727	utf8::encode $text;
1951	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2728	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1952	}	2729	}
1953		2730
		2731	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2732
		2733	Send a drawinfo or msg packet to the client, formatting the msg for the
		2734	client if neccessary. C<$type> should be a string identifying the type of
		2735	the message, with C<log> being the default. If C<$color> is negative, suppress
		2736	the message unless the client supports the msg packet.
		2737
		2738	=cut
		2739
		2740	# non-persistent channels (usually the info channel)
		2741	our %CHANNEL = (
		2742	"c/identify" => {
		2743	id => "infobox",
		2744	title => "Identify",
		2745	reply => undef,
		2746	tooltip => "Items recently identified",
		2747	},
		2748	"c/examine" => {
		2749	id => "infobox",
		2750	title => "Examine",
		2751	reply => undef,
		2752	tooltip => "Signs and other items you examined",
		2753	},
		2754	"c/book" => {
		2755	id => "infobox",
		2756	title => "Book",
		2757	reply => undef,
		2758	tooltip => "The contents of a note or book",
		2759	},
		2760	"c/lookat" => {
		2761	id => "infobox",
		2762	title => "Look",
		2763	reply => undef,
		2764	tooltip => "What you saw there",
		2765	},
		2766	"c/who" => {
		2767	id => "infobox",
		2768	title => "Players",
		2769	reply => undef,
		2770	tooltip => "Shows players who are currently online",
		2771	},
		2772	"c/body" => {
		2773	id => "infobox",
		2774	title => "Body Parts",
		2775	reply => undef,
		2776	tooltip => "Shows which body parts you posess and are available",
		2777	},
		2778	"c/statistics" => {
		2779	id => "infobox",
		2780	title => "Statistics",
		2781	reply => undef,
		2782	tooltip => "Shows your primary statistics",
		2783	},
		2784	"c/skills" => {
		2785	id => "infobox",
		2786	title => "Skills",
		2787	reply => undef,
		2788	tooltip => "Shows your experience per skill and item power",
		2789	},
		2790	"c/resistances" => {
		2791	id => "infobox",
		2792	title => "Resistances",
		2793	reply => undef,
		2794	tooltip => "Shows your resistances",
		2795	},
		2796	"c/pets" => {
		2797	id => "infobox",
		2798	title => "Pets",
		2799	reply => undef,
		2800	tooltip => "Shows information abotu your pets/a specific pet",
		2801	},
		2802	"c/uptime" => {
		2803	id => "infobox",
		2804	title => "Uptime",
		2805	reply => undef,
		2806	tooltip => "How long the server has been running since last restart",
		2807	},
		2808	"c/mapinfo" => {
		2809	id => "infobox",
		2810	title => "Map Info",
		2811	reply => undef,
		2812	tooltip => "Information related to the maps",
		2813	},
		2814	"c/party" => {
		2815	id => "party",
		2816	title => "Party",
		2817	reply => "gsay ",
		2818	tooltip => "Messages and chat related to your party",
		2819	},
		2820	"c/death" => {
		2821	id => "death",
		2822	title => "Death",
		2823	reply => undef,
		2824	tooltip => "Reason for and more info about your most recent death",
		2825	},
		2826	"c/say" => $SAY_CHANNEL,
		2827	"c/chat" => $CHAT_CHANNEL,
		2828	);
		2829
		2830	sub cf::client::send_msg {
		2831	my ($self, $channel, $msg, $color, @extra) = @_;
		2832
		2833	$msg = $self->pl->expand_cfpod ($msg)
		2834	unless $color & cf::NDI_VERBATIM;
		2835
		2836	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2837
		2838	# check predefined channels, for the benefit of C
		2839	if ($CHANNEL{$channel}) {
		2840	$channel = $CHANNEL{$channel};
		2841
		2842	$self->ext_msg (channel_info => $channel);
		2843	$channel = $channel->{id};
		2844
		2845	} elsif (ref $channel) {
		2846	# send meta info to client, if not yet sent
		2847	unless (exists $self->{channel}{$channel->{id}}) {
		2848	$self->{channel}{$channel->{id}} = $channel;
		2849	$self->ext_msg (channel_info => $channel);
		2850	}
		2851
		2852	$channel = $channel->{id};
		2853	}
		2854
		2855	return unless @extra || length $msg;
		2856
		2857	# default colour, mask it out
		2858	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2859	if $color & cf::NDI_DEF;
		2860
		2861	my $pkt = "msg "
		2862	. $self->{json_coder}->encode (
		2863	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2864	);
		2865
		2866	# try lzf for large packets
		2867	$pkt = "lzf " . Compress::LZF::compress $pkt
		2868	if 1024 <= length $pkt and $self->{can_lzf};
		2869
		2870	# split very large packets
		2871	if (8192 < length $pkt and $self->{can_lzf}) {
		2872	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2873	$pkt = "frag";
		2874	}
		2875
		2876	$self->send_packet ($pkt);
		2877	}
		2878
		2879	=item $client->ext_msg ($type, @msg)
		2880
		2881	Sends an ext event to the client.
		2882
		2883	=cut
		2884
		2885	sub cf::client::ext_msg($$@) {
		2886	my ($self, $type, @msg) = @_;
		2887
		2888	if ($self->extcmd == 2) {
		2889	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2890	} elsif ($self->extcmd == 1) { # TODO: remove
		2891	push @msg, msgtype => "event_$type";
		2892	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2893	}
		2894	}
		2895
		2896	=item $client->ext_reply ($msgid, @msg)
		2897
		2898	Sends an ext reply to the client.
		2899
		2900	=cut
		2901
		2902	sub cf::client::ext_reply($$@) {
		2903	my ($self, $id, @msg) = @_;
		2904
		2905	if ($self->extcmd == 2) {
		2906	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2907	} elsif ($self->extcmd == 1) {
		2908	#TODO: version 1, remove
		2909	unshift @msg, msgtype => "reply", msgid => $id;
		2910	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2911	}
		2912	}
1954		2913
1955	=item $success = $client->query ($flags, "text", \&cb)	2914	=item $success = $client->query ($flags, "text", \&cb)
1956		2915
1957	Queues a query to the client, calling the given callback with	2916	Queues a query to the client, calling the given callback with
1958	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2917	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1959	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2918	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1960		2919
1961	Queries can fail, so check the return code. Or don't, as queries will become	2920	Queries can fail, so check the return code. Or don't, as queries will
1962	reliable at some point in the future.	2921	become reliable at some point in the future.
1963		2922
1964	=cut	2923	=cut
1965		2924
1966	sub cf::client::query {	2925	sub cf::client::query {
1967	my ($self, $flags, $text, $cb) = @_;	2926	my ($self, $flags, $text, $cb) = @_;
…		…
1975	utf8::encode $text;	2934	utf8::encode $text;
1976	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2935	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1977		2936
1978	$self->send_packet ($self->{query_queue}[0][0])	2937	$self->send_packet ($self->{query_queue}[0][0])
1979	if @{ $self->{query_queue} } == 1;	2938	if @{ $self->{query_queue} } == 1;
		2939
		2940	1
1980	}	2941	}
1981		2942
1982	cf::client->attach (	2943	cf::client->attach (
		2944	on_connect => sub {
		2945	my ($ns) = @_;
		2946
		2947	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2948	},
1983	on_reply => sub {	2949	on_reply => sub {
1984	my ($ns, $msg) = @_;	2950	my ($ns, $msg) = @_;
1985		2951
1986	# this weird shuffling is so that direct followup queries	2952	# this weird shuffling is so that direct followup queries
1987	# get handled first	2953	# get handled first
1988	my $queue = delete $ns->{query_queue}	2954	my $queue = delete $ns->{query_queue}
1989	or return; # be conservative, not sure how that can happen, but we saw a crash here	2955	or return; # be conservative, not sure how that can happen, but we saw a crash here
1990		2956
1991	(shift @$queue)->[1]->($msg);	2957	(shift @$queue)->[1]->($msg);
		2958	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1992		2959
1993	push @{ $ns->{query_queue} }, @$queue;	2960	push @{ $ns->{query_queue} }, @$queue;
1994		2961
1995	if (@{ $ns->{query_queue} } == @$queue) {	2962	if (@{ $ns->{query_queue} } == @$queue) {
1996	if (@$queue) {	2963	if (@$queue) {
…		…
1998	} else {	2965	} else {
1999	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2966	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2000	}	2967	}
2001	}	2968	}
2002	},	2969	},
		2970	on_exticmd => sub {
		2971	my ($ns, $buf) = @_;
		2972
		2973	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2974
		2975	if (ref $msg) {
		2976	my ($type, $reply, @payload) =
		2977	"ARRAY" eq ref $msg
		2978	? @$msg
		2979	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2980
		2981	my @reply;
		2982
		2983	if (my $cb = $EXTICMD{$type}) {
		2984	@reply = $cb->($ns, @payload);
		2985	}
		2986
		2987	$ns->ext_reply ($reply, @reply)
		2988	if $reply;
		2989
		2990	} else {
		2991	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2992	}
		2993
		2994	cf::override;
		2995	},
2003	);	2996	);
2004		2997
2005	=item $client->async (\&cb)	2998	=item $client->async (\&cb)
2006		2999
2007	Create a new coroutine, running the specified callback. The coroutine will	3000	Create a new coroutine, running the specified callback. The coroutine will
…		…
2048	our $safe = new Safe "safe";	3041	our $safe = new Safe "safe";
2049	our $safe_hole = new Safe::Hole;	3042	our $safe_hole = new Safe::Hole;
2050		3043
2051	$SIG{FPE} = 'IGNORE';	3044	$SIG{FPE} = 'IGNORE';
2052		3045
2053	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3046	$safe->permit_only (Opcode::opset qw(
		3047	:base_core :base_mem :base_orig :base_math
		3048	grepstart grepwhile mapstart mapwhile
		3049	sort time
		3050	));
2054		3051
2055	# here we export the classes and methods available to script code	3052	# here we export the classes and methods available to script code
2056		3053
2057	=pod	3054	=pod
2058		3055
2059	The following fucntions and emthods are available within a safe environment:	3056	The following functions and methods are available within a safe environment:
2060		3057
2061	cf::object contr pay_amount pay_player map	3058	cf::object
		3059	contr pay_amount pay_player map x y force_find force_add destroy
		3060	insert remove name archname title slaying race decrease split
		3061	value
		3062
2062	cf::object::player player	3063	cf::object::player
2063	cf::player peaceful	3064	player
2064	cf::map trigger	3065
		3066	cf::player
		3067	peaceful
		3068
		3069	cf::map
		3070	trigger
2065		3071
2066	=cut	3072	=cut
2067		3073
2068	for (	3074	for (
2069	["cf::object" => qw(contr pay_amount pay_player map)],	3075	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3076	insert remove inv nrof name archname title slaying race
		3077	decrease split destroy change_exp value msg lore send_msg)],
2070	["cf::object::player" => qw(player)],	3078	["cf::object::player" => qw(player)],
2071	["cf::player" => qw(peaceful)],	3079	["cf::player" => qw(peaceful send_msg)],
2072	["cf::map" => qw(trigger)],	3080	["cf::map" => qw(trigger)],
2073	) {	3081	) {
2074	no strict 'refs';	3082	no strict 'refs';
2075	my ($pkg, @funs) = @$_;	3083	my ($pkg, @funs) = @$_;
2076	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3084	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2093	my ($code, %vars) = @_;	3101	my ($code, %vars) = @_;
2094		3102
2095	my $qcode = $code;	3103	my $qcode = $code;
2096	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3104	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2097	$qcode =~ s/\n/\\n/g;	3105	$qcode =~ s/\n/\\n/g;
		3106
		3107	%vars = (_dummy => 0) unless %vars;
2098		3108
2099	local $_;	3109	local $_;
2100	local @safe::cf::_safe_eval_args = values %vars;	3110	local @safe::cf::_safe_eval_args = values %vars;
2101		3111
2102	my $eval =	3112	my $eval =
…		…
2145	=back	3155	=back
2146		3156
2147	=cut	3157	=cut
2148		3158
2149	#############################################################################	3159	#############################################################################
		3160	# the server's init and main functions
2150		3161
2151	=head2 EXTENSION DATABASE SUPPORT	3162	sub load_facedata($) {
		3163	my ($path) = @_;
2152		3164
2153	Crossfire maintains a very simple database for extension use. It can	3165	# HACK to clear player env face cache, we need some signal framework
2154	currently store anything that can be serialised using Storable, which	3166	# for this (global event?)
2155	excludes objects.	3167	%ext::player_env::MUSIC_FACE_CACHE = ();
2156		3168
2157	The parameter C<$family> should best start with the name of the extension	3169	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2158	using it, it should be unique.
2159		3170
2160	=over 4	3171	warn "loading facedata from $path\n";
2161		3172
2162	=item $hashref = cf::db_get $family	3173	my $facedata;
		3174	0 < aio_load $path, $facedata
		3175	or die "$path: $!";
2163		3176
2164	Return a hashref for use by the extension C<$family>, which can be	3177	$facedata = Coro::Storable::thaw $facedata;
2165	modified. After modifications, you have to call C<cf::db_dirty> or
2166	C<cf::db_sync>.
2167		3178
2168	=item $value = cf::db_get $family => $key	3179	$facedata->{version} == 2
		3180	or cf::cleanup "$path: version mismatch, cannot proceed.";
2169		3181
2170	Returns a single value from the database	3182	# patch in the exptable
2171		3183	$facedata->{resource}{"res/exp_table"} = {
2172	=item cf::db_put $family => $hashref	3184	type => FT_RSRC,
2173		3185	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2174	Stores the given family hashref into the database. Updates are delayed, if
2175	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2176
2177	=item cf::db_put $family => $key => $value
2178
2179	Stores the given C<$value> in the family hash. Updates are delayed, if you
2180	want the data to be synced to disk immediately, use C<cf::db_sync>.
2181
2182	=item cf::db_dirty
2183
2184	Marks the database as dirty, to be updated at a later time.
2185
2186	=item cf::db_sync
2187
2188	Immediately write the database to disk I<if it is dirty>.
2189
2190	=cut
2191
2192	our $DB;
2193
2194	{
2195	my $path = cf::localdir . "/database.pst";
2196
2197	sub db_load() {
2198	$DB = stat $path ? Storable::retrieve $path : { };
2199	}	3186	};
		3187	cf::cede_to_tick;
2200		3188
2201	my $pid;
2202
2203	sub db_save() {
2204	waitpid $pid, 0 if $pid;
2205	if (0 == ($pid = fork)) {
2206	$DB->{_meta}{version} = 1;
2207	Storable::nstore $DB, "$path~";
2208	rename "$path~", $path;
2209	cf::_exit 0 if defined $pid;
2210	}
2211	}	3189	{
		3190	my $faces = $facedata->{faceinfo};
2212		3191
2213	my $dirty;	3192	while (my ($face, $info) = each %$faces) {
		3193	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2214		3194
2215	sub db_sync() {	3195	cf::face::set_visibility $idx, $info->{visibility};
2216	db_save if $dirty;	3196	cf::face::set_magicmap $idx, $info->{magicmap};
2217	undef $dirty;	3197	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2218	}	3198	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2219		3199
2220	my $idle = Event->idle (	3200	cf::cede_to_tick;
2221	reentrant => 0,
2222	min => 10,
2223	max => 20,
2224	repeat => 0,
2225	data => WF_AUTOCANCEL,
2226	cb => \&db_sync,
2227	);
2228
2229	sub db_dirty() {
2230	$dirty = 1;
2231	$idle->start;
2232	}
2233
2234	sub db_get($;$) {
2235	@_ >= 2
2236	? $DB->{$_[0]}{$_[1]}
2237	: ($DB->{$_[0]} ||= { })
2238	}
2239
2240	sub db_put($$;$) {
2241	if (@_ >= 3) {
2242	$DB->{$_[0]}{$_[1]} = $_[2];
2243	} else {
2244	$DB->{$_[0]} = $_[1];
2245	}
2246	db_dirty;
2247	}
2248
2249	cf::global->attach (
2250	prio => 10000,
2251	on_cleanup => sub {
2252	db_sync;
2253	},	3201	}
2254	);
2255	}
2256		3202
2257	#############################################################################	3203	while (my ($face, $info) = each %$faces) {
2258	# the server's main()	3204	next unless $info->{smooth};
2259		3205
2260	sub cfg_load {	3206	my $idx = cf::face::find $face
		3207	or next;
		3208
		3209	if (my $smooth = cf::face::find $info->{smooth}) {
		3210	cf::face::set_smooth $idx, $smooth;
		3211	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3212	} else {
		3213	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3214	}
		3215
		3216	cf::cede_to_tick;
		3217	}
		3218	}
		3219
		3220	{
		3221	my $anims = $facedata->{animinfo};
		3222
		3223	while (my ($anim, $info) = each %$anims) {
		3224	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3225	cf::cede_to_tick;
		3226	}
		3227
		3228	cf::anim::invalidate_all; # d'oh
		3229	}
		3230
		3231	{
		3232	# TODO: for gcfclient pleasure, we should give resources
		3233	# that gcfclient doesn't grok a >10000 face index.
		3234	my $res = $facedata->{resource};
		3235
		3236	while (my ($name, $info) = each %$res) {
		3237	if (defined $info->{type}) {
		3238	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3239	my $data;
		3240
		3241	if ($info->{type} & 1) {
		3242	# prepend meta info
		3243
		3244	my $meta = $enc->encode ({
		3245	name => $name,
		3246	%{ $info->{meta} || {} },
		3247	});
		3248
		3249	$data = pack "(w/a*)*", $meta, $info->{data};
		3250	} else {
		3251	$data = $info->{data};
		3252	}
		3253
		3254	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3255	cf::face::set_type $idx, $info->{type};
		3256	} else {
		3257	$RESOURCE{$name} = $info;
		3258	}
		3259
		3260	cf::cede_to_tick;
		3261	}
		3262	}
		3263
		3264	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3265
		3266	1
		3267	}
		3268
		3269	cf::global->attach (on_resource_update => sub {
		3270	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3271	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3272
		3273	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3274	my $sound = $soundconf->{compat}[$_]
		3275	or next;
		3276
		3277	my $face = cf::face::find "sound/$sound->[1]";
		3278	cf::sound::set $sound->[0] => $face;
		3279	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3280	}
		3281
		3282	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3283	my $face = cf::face::find "sound/$v";
		3284	cf::sound::set $k => $face;
		3285	}
		3286	}
		3287	});
		3288
		3289	register_exticmd fx_want => sub {
		3290	my ($ns, $want) = @_;
		3291
		3292	while (my ($k, $v) = each %$want) {
		3293	$ns->fx_want ($k, $v);
		3294	}
		3295	};
		3296
		3297	sub load_resource_file($) {
		3298	my $guard = lock_acquire "load_resource_file";
		3299
		3300	my $status = load_resource_file_ $_[0];
		3301	get_slot 0.1, 100;
		3302	cf::arch::commit_load;
		3303
		3304	$status
		3305	}
		3306
		3307	sub reload_regions {
		3308	# HACK to clear player env face cache, we need some signal framework
		3309	# for this (global event?)
		3310	%ext::player_env::MUSIC_FACE_CACHE = ();
		3311
		3312	load_resource_file "$MAPDIR/regions"
		3313	or die "unable to load regions file\n";
		3314
		3315	for (cf::region::list) {
		3316	$_->{match} = qr/$_->{match}/
		3317	if exists $_->{match};
		3318	}
		3319	}
		3320
		3321	sub reload_facedata {
		3322	load_facedata "$DATADIR/facedata"
		3323	or die "unable to load facedata\n";
		3324	}
		3325
		3326	sub reload_archetypes {
		3327	load_resource_file "$DATADIR/archetypes"
		3328	or die "unable to load archetypes\n";
		3329	}
		3330
		3331	sub reload_treasures {
		3332	load_resource_file "$DATADIR/treasures"
		3333	or die "unable to load treasurelists\n";
		3334	}
		3335
		3336	sub reload_resources {
		3337	warn "reloading resource files...\n";
		3338
		3339	reload_facedata;
		3340	reload_archetypes;
		3341	reload_regions;
		3342	reload_treasures;
		3343
		3344	warn "finished reloading resource files\n";
		3345	}
		3346
		3347	sub reload_config {
2261	open my $fh, "<:utf8", cf::confdir . "/config"	3348	open my $fh, "<:utf8", "$CONFDIR/config"
2262	or return;	3349	or return;
2263		3350
2264	local $/;	3351	local $/;
2265	*CFG = YAML::Syck::Load <$fh>;	3352	*CFG = YAML::Load <$fh>;
2266		3353
2267	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3354	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2268		3355
2269	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3356	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2270	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3357	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2276	};	3363	};
2277	warn $@ if $@;	3364	warn $@ if $@;
2278	}	3365	}
2279	}	3366	}
2280		3367
		3368	sub pidfile() {
		3369	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3370	or die "$PIDFILE: $!";
		3371	flock $fh, &Fcntl::LOCK_EX
		3372	or die "$PIDFILE: flock: $!";
		3373	$fh
		3374	}
		3375
		3376	# make sure only one server instance is running at any one time
		3377	sub atomic {
		3378	my $fh = pidfile;
		3379
		3380	my $pid = <$fh>;
		3381	kill 9, $pid if $pid > 0;
		3382
		3383	seek $fh, 0, 0;
		3384	print $fh $$;
		3385	}
		3386
2281	sub main {	3387	sub main {
		3388	cf::init_globals; # initialise logging
		3389
		3390	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3391	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3392	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3393	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3394
		3395	cf::init_experience;
		3396	cf::init_anim;
		3397	cf::init_attackmess;
		3398	cf::init_dynamic;
		3399
		3400	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3401
2282	# we must not ever block the main coroutine	3402	# we must not ever block the main coroutine
2283	local $Coro::idle = sub {	3403	local $Coro::idle = sub {
2284	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3404	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2285	(async {	3405	(async {
2286	Event::one_event;	3406	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3407	EV::loop EV::LOOP_ONESHOT;
2287	})->prio (Coro::PRIO_MAX);	3408	})->prio (Coro::PRIO_MAX);
2288	};	3409	};
2289		3410
2290	cfg_load;	3411	evthread_start IO::AIO::poll_fileno;
2291	db_load;	3412
		3413	cf::sync_job {
		3414	reload_resources;
		3415	reload_config;
		3416	db_init;
		3417
		3418	cf::load_settings;
		3419	cf::load_materials;
		3420	cf::init_uuid;
		3421	cf::init_signals;
		3422	cf::init_commands;
		3423	cf::init_skills;
		3424
		3425	cf::init_beforeplay;
		3426
		3427	atomic;
		3428
2292	load_extensions;	3429	load_extensions;
2293		3430
2294	$TICK_WATCHER->start;	3431	utime time, time, $RUNTIMEFILE;
		3432
		3433	# no (long-running) fork's whatsoever before this point(!)
		3434	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3435
		3436	(pop @POST_INIT)->(0) while @POST_INIT;
		3437	};
		3438
2295	Event::loop;	3439	EV::loop;
2296	}	3440	}
2297		3441
2298	#############################################################################	3442	#############################################################################
2299	# initialisation and cleanup	3443	# initialisation and cleanup
2300		3444
2301	# install some emergency cleanup handlers	3445	# install some emergency cleanup handlers
2302	BEGIN {	3446	BEGIN {
		3447	our %SIGWATCHER = ();
2303	for my $signal (qw(INT HUP TERM)) {	3448	for my $signal (qw(INT HUP TERM)) {
2304	Event->signal (	3449	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2305	reentrant => 0,
2306	data => WF_AUTOCANCEL,
2307	signal => $signal,
2308	prio => 0,
2309	cb => sub {
2310	cf::cleanup "SIG$signal";	3450	cf::cleanup "SIG$signal";
2311	},
2312	);	3451	};
		3452	}
		3453	}
		3454
		3455	sub write_runtime_sync {
		3456	# first touch the runtime file to show we are still running:
		3457	# the fsync below can take a very very long time.
		3458
		3459	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3460
		3461	my $guard = cf::lock_acquire "write_runtime";
		3462
		3463	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3464	or return;
		3465
		3466	my $value = $cf::RUNTIME + 90 + 10;
		3467	# 10 is the runtime save interval, for a monotonic clock
		3468	# 60 allows for the watchdog to kill the server.
		3469
		3470	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3471	and return;
		3472
		3473	# always fsync - this file is important
		3474	aio_fsync $fh
		3475	and return;
		3476
		3477	# touch it again to show we are up-to-date
		3478	aio_utime $fh, undef, undef;
		3479
		3480	close $fh
		3481	or return;
		3482
		3483	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3484	and return;
		3485
		3486	warn "runtime file written.\n";
		3487
2313	}	3488	1
		3489	}
		3490
		3491	our $uuid_lock;
		3492	our $uuid_skip;
		3493
		3494	sub write_uuid_sync($) {
		3495	$uuid_skip ||= $_[0];
		3496
		3497	return if $uuid_lock;
		3498	local $uuid_lock = 1;
		3499
		3500	my $uuid = "$LOCALDIR/uuid";
		3501
		3502	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3503	or return;
		3504
		3505	my $value = uuid_seq uuid_cur;
		3506
		3507	unless ($value) {
		3508	warn "cowardly refusing to write zero uuid value!\n";
		3509	return;
		3510	}
		3511
		3512	my $value = uuid_str $value + $uuid_skip;
		3513	$uuid_skip = 0;
		3514
		3515	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3516	and return;
		3517
		3518	# always fsync - this file is important
		3519	aio_fsync $fh
		3520	and return;
		3521
		3522	close $fh
		3523	or return;
		3524
		3525	aio_rename "$uuid~", $uuid
		3526	and return;
		3527
		3528	warn "uuid file written ($value).\n";
		3529
		3530	1
		3531
		3532	}
		3533
		3534	sub write_uuid($$) {
		3535	my ($skip, $sync) = @_;
		3536
		3537	$sync ? write_uuid_sync $skip
		3538	: async { write_uuid_sync $skip };
2314	}	3539	}
2315		3540
2316	sub emergency_save() {	3541	sub emergency_save() {
2317	my $freeze_guard = cf::freeze_mainloop;	3542	my $freeze_guard = cf::freeze_mainloop;
2318		3543
2319	warn "enter emergency perl save\n";	3544	warn "emergency_perl_save: enter\n";
2320		3545
2321	cf::sync_job {	3546	cf::sync_job {
		3547	# this is a trade-off: we want to be very quick here, so
		3548	# save all maps without fsync, and later call a global sync
		3549	# (which in turn might be very very slow)
		3550	local $USE_FSYNC = 0;
		3551
2322	# use a peculiar iteration method to avoid tripping on perl	3552	# use a peculiar iteration method to avoid tripping on perl
2323	# refcount bugs in for. also avoids problems with players	3553	# refcount bugs in for. also avoids problems with players
2324	# and maps saved/destroyed asynchronously.	3554	# and maps saved/destroyed asynchronously.
2325	warn "begin emergency player save\n";	3555	warn "emergency_perl_save: begin player save\n";
2326	for my $login (keys %cf::PLAYER) {	3556	for my $login (keys %cf::PLAYER) {
2327	my $pl = $cf::PLAYER{$login} or next;	3557	my $pl = $cf::PLAYER{$login} or next;
2328	$pl->valid or next;	3558	$pl->valid or next;
		3559	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2329	$pl->save;	3560	$pl->save;
2330	}	3561	}
2331	warn "end emergency player save\n";	3562	warn "emergency_perl_save: end player save\n";
2332		3563
2333	warn "begin emergency map save\n";	3564	warn "emergency_perl_save: begin map save\n";
2334	for my $path (keys %cf::MAP) {	3565	for my $path (keys %cf::MAP) {
2335	my $map = $cf::MAP{$path} or next;	3566	my $map = $cf::MAP{$path} or next;
2336	$map->valid or next;	3567	$map->valid or next;
2337	$map->save;	3568	$map->save;
2338	}	3569	}
2339	warn "end emergency map save\n";	3570	warn "emergency_perl_save: end map save\n";
		3571
		3572	warn "emergency_perl_save: begin database checkpoint\n";
		3573	BDB::db_env_txn_checkpoint $DB_ENV;
		3574	warn "emergency_perl_save: end database checkpoint\n";
		3575
		3576	warn "emergency_perl_save: begin write uuid\n";
		3577	write_uuid_sync 1;
		3578	warn "emergency_perl_save: end write uuid\n";
2340	};	3579	};
2341		3580
		3581	warn "emergency_perl_save: starting sync()\n";
		3582	IO::AIO::aio_sync sub {
		3583	warn "emergency_perl_save: finished sync()\n";
		3584	};
		3585
2342	warn "leave emergency perl save\n";	3586	warn "emergency_perl_save: leave\n";
2343	}	3587	}
2344		3588
		3589	sub post_cleanup {
		3590	my ($make_core) = @_;
		3591
		3592	warn Carp::longmess "post_cleanup backtrace"
		3593	if $make_core;
		3594
		3595	my $fh = pidfile;
		3596	unlink $PIDFILE if <$fh> == $$;
		3597	}
		3598
		3599	# a safer delete_package, copied from Symbol
		3600	sub clear_package($) {
		3601	my $pkg = shift;
		3602
		3603	# expand to full symbol table name if needed
		3604	unless ($pkg =~ /^main::.*::$/) {
		3605	$pkg = "main$pkg" if $pkg =~ /^::/;
		3606	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3607	$pkg .= '::' unless $pkg =~ /::$/;
		3608	}
		3609
		3610	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3611	my $stem_symtab = *{$stem}{HASH};
		3612
		3613	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3614	or return;
		3615
		3616	# clear all symbols
		3617	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3618	for my $name (keys %$leaf_symtab) {
		3619	_gv_clear *{"$pkg$name"};
		3620	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3621	}
		3622	warn "cleared package $pkg\n";#d#
		3623	}
		3624
2345	sub reload() {	3625	sub do_reload_perl() {
2346	# can/must only be called in main	3626	# can/must only be called in main
2347	if ($Coro::current != $Coro::main) {	3627	if ($Coro::current != $Coro::main) {
2348	warn "can only reload from main coroutine";	3628	warn "can only reload from main coroutine";
2349	return;	3629	return;
2350	}	3630	}
2351		3631
		3632	return if $RELOAD++;
		3633
		3634	my $t1 = EV::time;
		3635
		3636	while ($RELOAD) {
2352	warn "reloading...";	3637	warn "reloading...";
2353		3638
2354	warn "cancelling server ticker";	3639	warn "entering sync_job";
2355	$TICK_WATCHER->cancel;
2356		3640
		3641	cf::sync_job {
		3642	cf::write_runtime_sync; # external watchdog should not bark
2357	cf::emergency_save;	3643	cf::emergency_save;
		3644	cf::write_runtime_sync; # external watchdog should not bark
2358		3645
2359	eval {	3646	warn "syncing database to disk";
		3647	BDB::db_env_txn_checkpoint $DB_ENV;
		3648
2360	# if anything goes wrong in here, we should simply crash as we already saved	3649	# if anything goes wrong in here, we should simply crash as we already saved
2361		3650
2362	warn "syncing database to disk";
2363	cf::db_sync;
2364
2365	warn "cancelling all WF_AUTOCANCEL watchers";
2366	for (Event::all_watchers) {
2367	$_->cancel if $_->data & WF_AUTOCANCEL;
2368	}
2369
2370	warn "flushing outstanding aio requests";	3651	warn "flushing outstanding aio requests";
2371	for (;;) {	3652	while (IO::AIO::nreqs || BDB::nreqs) {
2372	IO::AIO::flush;	3653	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2373	Coro::cede;
2374	last unless IO::AIO::nreqs;
2375	warn "iterate...";
2376	}
2377
2378	warn "cancelling all extension coros";
2379	$_->cancel for values %EXT_CORO;
2380	%EXT_CORO = ();
2381
2382	warn "removing commands";
2383	%COMMAND = ();
2384
2385	warn "removing ext commands";
2386	%EXTCMD = ();
2387
2388	warn "unloading/nuking all extensions";
2389	for my $pkg (@EXTS) {
2390	warn "... unloading $pkg";
2391
2392	if (my $cb = $pkg->can ("unload")) {
2393	eval {
2394	$cb->($pkg);
2395	1
2396	} or warn "$pkg unloaded, but with errors: $@";
2397	}	3654	}
2398		3655
2399	warn "... nuking $pkg";	3656	warn "cancelling all extension coros";
2400	Symbol::delete_package $pkg;	3657	$_->cancel for values %EXT_CORO;
2401	}	3658	%EXT_CORO = ();
2402		3659
2403	warn "unloading all perl modules loaded from $LIBDIR";	3660	warn "removing commands";
2404	while (my ($k, $v) = each %INC) {	3661	%COMMAND = ();
2405	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2406		3662
		3663	warn "removing ext/exti commands";
		3664	%EXTCMD = ();
		3665	%EXTICMD = ();
		3666
		3667	warn "unloading/nuking all extensions";
		3668	for my $pkg (@EXTS) {
2407	warn "... unloading $k";	3669	warn "... unloading $pkg";
2408	delete $INC{$k};
2409		3670
2410	$k =~ s/\.pm$//;
2411	$k =~ s/\//::/g;
2412
2413	if (my $cb = $k->can ("unload_module")) {	3671	if (my $cb = $pkg->can ("unload")) {
		3672	eval {
2414	$cb->();	3673	$cb->($pkg);
		3674	1
		3675	} or warn "$pkg unloaded, but with errors: $@";
		3676	}
		3677
		3678	warn "... clearing $pkg";
		3679	clear_package $pkg;
2415	}	3680	}
2416		3681
2417	Symbol::delete_package $k;	3682	warn "unloading all perl modules loaded from $LIBDIR";
		3683	while (my ($k, $v) = each %INC) {
		3684	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3685
		3686	warn "... unloading $k";
		3687	delete $INC{$k};
		3688
		3689	$k =~ s/\.pm$//;
		3690	$k =~ s/\//::/g;
		3691
		3692	if (my $cb = $k->can ("unload_module")) {
		3693	$cb->();
		3694	}
		3695
		3696	clear_package $k;
2418	}	3697	}
2419		3698
2420	warn "getting rid of safe::, as good as possible";	3699	warn "getting rid of safe::, as good as possible";
2421	Symbol::delete_package "safe::$_"	3700	clear_package "safe::$_"
2422	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3701	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2423		3702
2424	warn "unloading cf.pm \"a bit\"";	3703	warn "unloading cf.pm \"a bit\"";
2425	delete $INC{"cf.pm"};	3704	delete $INC{"cf.pm"};
		3705	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2426		3706
2427	# don't, removes xs symbols, too,	3707	# don't, removes xs symbols, too,
2428	# and global variables created in xs	3708	# and global variables created in xs
2429	#Symbol::delete_package __PACKAGE__;	3709	#clear_package __PACKAGE__;
2430		3710
2431	warn "unload completed, starting to reload now";	3711	warn "unload completed, starting to reload now";
2432		3712
2433	warn "reloading cf.pm";	3713	warn "reloading cf.pm";
2434	require cf;	3714	require cf;
2435	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3715	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2436		3716
2437	warn "loading config and database again";	3717	warn "loading config and database again";
2438	cf::cfg_load;	3718	cf::reload_config;
2439	cf::db_load;
2440		3719
2441	warn "loading extensions";	3720	warn "loading extensions";
2442	cf::load_extensions;	3721	cf::load_extensions;
2443		3722
		3723	if ($REATTACH_ON_RELOAD) {
2444	warn "reattaching attachments to objects/players";	3724	warn "reattaching attachments to objects/players";
2445	_global_reattach;	3725	_global_reattach; # objects, sockets
2446	warn "reattaching attachments to maps";	3726	warn "reattaching attachments to maps";
2447	reattach $_ for values %MAP;	3727	reattach $_ for values %MAP;
		3728	warn "reattaching attachments to players";
		3729	reattach $_ for values %PLAYER;
		3730	}
2448		3731
2449	warn "restarting server ticker";	3732	warn "running post_init jobs";
		3733	(pop @POST_INIT)->(1) while @POST_INIT;
2450		3734
2451	$TICK_WATCHER->start;	3735	warn "leaving sync_job";
		3736
		3737	1
		3738	} or do {
		3739	warn $@;
		3740	cf::cleanup "error while reloading, exiting.";
		3741	};
		3742
		3743	warn "reloaded";
		3744	--$RELOAD;
		3745	}
		3746
		3747	$t1 = EV::time - $t1;
		3748	warn "reload completed in ${t1}s\n";
		3749	};
		3750
		3751	our $RELOAD_WATCHER; # used only during reload
		3752
		3753	sub reload_perl() {
		3754	# doing reload synchronously and two reloads happen back-to-back,
		3755	# coro crashes during coro_state_free->destroy here.
		3756
		3757	$RELOAD_WATCHER ||= cf::async {
		3758	Coro::AIO::aio_wait cache_extensions;
		3759
		3760	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3761	do_reload_perl;
		3762	undef $RELOAD_WATCHER;
		3763	};
2452	};	3764	};
2453		3765	}
2454	if ($@) {
2455	warn $@;
2456	warn "error while reloading, exiting.";
2457	exit 1;
2458	}
2459
2460	warn "reloaded";
2461	};
2462
2463	our $RELOAD_WATCHER; # used only during reload
2464		3766
2465	register_command "reload" => sub {	3767	register_command "reload" => sub {
2466	my ($who, $arg) = @_;	3768	my ($who, $arg) = @_;
2467		3769
2468	if ($who->flag (FLAG_WIZ)) {	3770	if ($who->flag (FLAG_WIZ)) {
2469	$who->message ("reloading server.");	3771	$who->message ("reloading server.");
2470		3772	async {
2471	# doing reload synchronously and two reloads happen back-to-back,	3773	$Coro::current->{desc} = "perl_reload";
2472	# coro crashes during coro_state_free->destroy here.
2473
2474	$RELOAD_WATCHER ||= Event->timer (
2475	reentrant => 0,
2476	after => 0,
2477	data => WF_AUTOCANCEL,
2478	cb => sub {
2479	reload;	3774	reload_perl;
2480	undef $RELOAD_WATCHER;
2481	},
2482	);	3775	};
2483	}	3776	}
2484	};	3777	};
2485		3778
2486	unshift @INC, $LIBDIR;	3779	unshift @INC, $LIBDIR;
2487		3780
2488	my $bug_warning = 0;	3781	my $bug_warning = 0;
2489		3782
2490	$TICK_WATCHER = Event->timer (	3783	our @WAIT_FOR_TICK;
2491	reentrant => 0,	3784	our @WAIT_FOR_TICK_BEGIN;
2492	parked => 1,	3785
2493	prio => 0,	3786	sub wait_for_tick {
2494	at => $NEXT_TICK || $TICK,	3787	return if tick_inhibit || $Coro::current == $Coro::main;
2495	data => WF_AUTOCANCEL,	3788
2496	cb => sub {	3789	my $signal = new Coro::Signal;
		3790	push @WAIT_FOR_TICK, $signal;
		3791	$signal->wait;
		3792	}
		3793
		3794	sub wait_for_tick_begin {
		3795	return if tick_inhibit || $Coro::current == $Coro::main;
		3796
		3797	my $signal = new Coro::Signal;
		3798	push @WAIT_FOR_TICK_BEGIN, $signal;
		3799	$signal->wait;
		3800	}
		3801
		3802	sub tick {
2497	if ($Coro::current != $Coro::main) {	3803	if ($Coro::current != $Coro::main) {
2498	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3804	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2499	unless ++$bug_warning > 10;	3805	unless ++$bug_warning > 10;
2500	return;	3806	return;
2501	}	3807	}
2502		3808
2503	$NOW = Event::time;
2504
2505	cf::server_tick; # one server iteration	3809	cf::server_tick; # one server iteration
2506	$RUNTIME += $TICK;
2507	$NEXT_TICK += $TICK;
2508		3810
2509	$WAIT_FOR_TICK->broadcast;	3811	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2510	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3812	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2511		3813	Coro::async_pool {
2512	Event::sweep;	3814	$Coro::current->{desc} = "runtime saver";
2513	Coro::cede_notself;
2514
2515	# my $AFTER = Event::time;
2516	# warn $AFTER - $NOW;#d#
2517
2518	# if we are delayed by four ticks or more, skip them all
2519	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2520
2521	$TICK_WATCHER->at ($NEXT_TICK);
2522	$TICK_WATCHER->start;
2523	},
2524	);
2525
2526	IO::AIO::max_poll_time $TICK * 0.1;
2527
2528	undef $Coro::AIO::WATCHER;
2529	$AIO_POLL_WATCHER = Event->io (
2530	reentrant => 0,
2531	fd => IO::AIO::poll_fileno,
2532	poll => 'r',
2533	prio => 6,
2534	data => WF_AUTOCANCEL,
2535	cb => \&IO::AIO::poll_cb,
2536	);
2537
2538	$WRITE_RUNTIME_WATCHER = Event->timer (
2539	reentrant => 0,
2540	data => WF_AUTOCANCEL,
2541	after => 1,
2542	interval => 10,
2543	prio => 6, # keep it lowest so it acts like a watchdog
2544	cb => Coro::unblock_sub {
2545	write_runtime	3815	write_runtime_sync
2546	or warn "ERROR: unable to write runtime file: $!";	3816	or warn "ERROR: unable to write runtime file: $!";
		3817	};
2547	},	3818	}
2548	);	3819
		3820	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3821	$sig->send;
		3822	}
		3823	while (my $sig = shift @WAIT_FOR_TICK) {
		3824	$sig->send;
		3825	}
		3826
		3827	$LOAD = ($NOW - $TICK_START) / $TICK;
		3828	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3829
		3830	if (0) {
		3831	if ($NEXT_TICK) {
		3832	my $jitter = $TICK_START - $NEXT_TICK;
		3833	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3834	warn "jitter $JITTER\n";#d#
		3835	}
		3836	}
		3837	}
		3838
		3839	{
		3840	# configure BDB
		3841
		3842	BDB::min_parallel 8;
		3843	BDB::max_poll_reqs $TICK * 0.1;
		3844	$AnyEvent::BDB::WATCHER->priority (1);
		3845
		3846	unless ($DB_ENV) {
		3847	$DB_ENV = BDB::db_env_create;
		3848	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3849	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3850	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3851	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3852	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3853
		3854	cf::sync_job {
		3855	eval {
		3856	BDB::db_env_open
		3857	$DB_ENV,
		3858	$BDBDIR,
		3859	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3860	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3861	0666;
		3862
		3863	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3864	};
		3865
		3866	cf::cleanup "db_env_open(db): $@" if $@;
		3867	};
		3868	}
		3869
		3870	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3871	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3872	};
		3873	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3874	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3875	};
		3876	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3877	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3878	};
		3879	}
		3880
		3881	{
		3882	# configure IO::AIO
		3883
		3884	IO::AIO::min_parallel 8;
		3885	IO::AIO::max_poll_time $TICK * 0.1;
		3886	undef $AnyEvent::AIO::WATCHER;
		3887	}
		3888
		3889	my $_log_backtrace;
		3890
		3891	sub _log_backtrace {
		3892	my ($msg, @addr) = @_;
		3893
		3894	$msg =~ s/\n//;
		3895
		3896	# limit the # of concurrent backtraces
		3897	if ($_log_backtrace < 2) {
		3898	++$_log_backtrace;
		3899	my $perl_bt = Carp::longmess $msg;
		3900	async {
		3901	$Coro::current->{desc} = "abt $msg";
		3902
		3903	my @bt = fork_call {
		3904	@addr = map { sprintf "%x", $_ } @addr;
		3905	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3906	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3907	or die "addr2line: $!";
		3908
		3909	my @funcs;
		3910	my @res = <$fh>;
		3911	chomp for @res;
		3912	while (@res) {
		3913	my ($func, $line) = splice @res, 0, 2, ();
		3914	push @funcs, "[$func] $line";
		3915	}
		3916
		3917	@funcs
		3918	};
		3919
		3920	LOG llevInfo, "[ABT] $perl_bt\n";
		3921	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3922	LOG llevInfo, "[ABT] $_\n" for @bt;
		3923	--$_log_backtrace;
		3924	};
		3925	} else {
		3926	LOG llevInfo, "[ABT] $msg\n";
		3927	LOG llevInfo, "[ABT] [suppressed]\n";
		3928	}
		3929	}
		3930
		3931	# load additional modules
		3932	require "cf/$_.pm" for @EXTRA_MODULES;
2549		3933
2550	END { cf::emergency_save }	3934	END { cf::emergency_save }
2551		3935
2552	1	3936	1
2553		3937

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