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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.210 by root, Mon Feb 12 01:32:49 2007 UTC vs.
Revision 1.473 by root, Fri Jun 26 16:32:10 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict qw(vars subs);
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
		31	use EV;
9	use Opcode;	32	use Opcode;
10	use Safe;	33	use Safe;
11	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
12		36
		37	use Guard ();
13	use Coro 3.5 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
20	use BDB ();	54	use BDB ();
21	use Data::Dumper;	55	use Data::Dumper;
22	use Digest::MD5;	56	use Digest::MD5;
23	use Fcntl;	57	use Fcntl;
		58	use YAML ();
24	use IO::AIO 2.32 ();	59	use IO::AIO ();
25	use YAML::Syck ();
26	use Time::HiRes;	60	use Time::HiRes;
27	use Compress::LZF;	61	use Compress::LZF;
		62	use Digest::MD5 ();
28		63
		64	AnyEvent::detect;
		65
		66	# configure various modules to our taste
		67	#
		68	$Storable::canonical = 1; # reduce rsync transfers
		69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		76
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		78
40	our %COMMAND = ();	79	our %COMMAND = ();
41	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
42		81
43	our @EXTS = (); # list of extension package names	82	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	83	our %EXTCMD = ();
		84	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	85	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	86	our %EXT_MAP = (); # pluggable maps
47		87
		88	our $RELOAD; # number of reloads so far, non-zero while in reload
48	our @EVENT;	89	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		90
51	our $TICK = MAX_TIME * 1e-6;	91	our $CONFDIR = confdir;
52	our $TICK_WATCHER;	92	our $DATADIR = datadir;
53	our $AIO_POLL_WATCHER;	93	our $LIBDIR = "$DATADIR/ext";
54	our $WRITE_RUNTIME_WATCHER;	94	our $PODDIR = "$DATADIR/pod";
		95	our $MAPDIR = "$DATADIR/" . mapdir;
		96	our $LOCALDIR = localdir;
		97	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		98	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		99	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		100	our $RANDOMDIR = "$LOCALDIR/random";
		101	our $BDBDIR = "$LOCALDIR/db";
		102	our $PIDFILE = "$LOCALDIR/pid";
		103	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		104
		105	our %RESOURCE;
		106
		107	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		108	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	109	our $NEXT_TICK;
56	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	110	our $USE_FSYNC = 1; # use fsync to write maps - default on
58		111
		112	our $BDB_DEADLOCK_WATCHER;
		113	our $BDB_CHECKPOINT_WATCHER;
59	our $BDB_POLL_WATCHER;	114	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	115	our $DB_ENV;
		116
		117	our @EXTRA_MODULES = qw(pod mapscript);
61		118
62	our %CFG;	119	our %CFG;
63		120
64	our $UPTIME; $UPTIME ||= time;	121	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	122	our $RUNTIME;
		123	our $NOW;
66		124
67	our %PLAYER; # all users	125	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	126	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	127	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		128
76	# 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 ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	130	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		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 $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
		140
79	binmode STDOUT;	141	binmode STDOUT;
80	binmode STDERR;	142	binmode STDERR;
81		143
82	# read virtual server time, if available	144	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	145	unless ($RUNTIME || !-e $RUNTIMEFILE) {
84	open my $fh, "<", cf::localdir . "/runtime"	146	open my $fh, "<", $RUNTIMEFILE
85	or die "unable to read runtime file: $!";	147	or die "unable to read $RUNTIMEFILE file: $!";
86	$RUNTIME = <$fh> + 0.;	148	$RUNTIME = <$fh> + 0.;
87	}	149	}
88		150
89	mkdir cf::localdir;	151	eval "sub TICK() { $TICK } 1" or die;
90	mkdir cf::localdir . "/" . cf::playerdir;	152
91	mkdir cf::localdir . "/" . cf::tmpdir;	153	mkdir $_
92	mkdir cf::localdir . "/" . cf::uniquedir;	154	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		155
96	our $EMERGENCY_POSITION;	156	our $EMERGENCY_POSITION;
97		157
98	sub cf::map::normalise;	158	sub cf::map::normalise;
99		159
…		…
110	=item $cf::RUNTIME	170	=item $cf::RUNTIME
111		171
112	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
113	every server tick.	173	every server tick.
114		174
115	=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
116		178
117	The perl library directory, where extensions and cf-specific modules can	179	Various directories - "/etc", read-only install directory, perl-library
118	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.
119		183
120	=item $cf::NOW	184	=item $cf::NOW
121		185
122	The time of the last (current) server tick.	186	The time of the last (current) server tick.
123		187
124	=item $cf::TICK	188	=item $cf::TICK
125		189
126	The interval between server ticks, in seconds.	190	The interval between server ticks, in seconds.
127		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
128	=item %cf::CFG	202	=item %cf::CFG
129		203
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	204	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	205	from wherever your confdir points to.
132		206
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	207	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		208
135	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
136	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
137	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.
138	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.
139		218
140	=back	219	=back
141		220
142	=cut	221	=cut
143		222
144	BEGIN {	223	BEGIN {
145	*CORE::GLOBAL::warn = sub {	224	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	225	my $msg = join "", @_;
147	utf8::encode $msg;
148		226
149	$msg .= "\n"	227	$msg .= "\n"
150	unless $msg =~ /\n$/;	228	unless $msg =~ /\n$/;
151		229
		230	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		231
152	LOG llevError, $msg;	232	LOG llevError, $msg;
153	};	233	};
154	}	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#?
155		250
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	251	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	252	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	253	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	254	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@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';
161	@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)
162		258
163	# 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
164	# within the Safe compartment.	260	# within the Safe compartment.
165	for my $pkg (qw(	261	for my $pkg (qw(
166	cf::global cf::attachable	262	cf::global cf::attachable
167	cf::object cf::object::player	263	cf::object cf::object::player
168	cf::client cf::player	264	cf::client cf::player
169	cf::arch cf::living	265	cf::arch cf::living
		266	cf::map cf::mapspace
170	cf::map cf::party cf::region	267	cf::party cf::region
171	)) {	268	)) {
172	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	269	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	270	}
175		271
176	$Event::DIED = sub {	272	$EV::DIED = sub {
177	warn "error in event callback: @_";	273	warn "error in event callback: @_";
178	};	274	};
		275
		276	#############################################################################
179		277
180	=head2 UTILITY FUNCTIONS	278	=head2 UTILITY FUNCTIONS
181		279
182	=over 4	280	=over 4
183		281
…		…
202	$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;
203	$d	301	$d
204	} || "[unable to dump $_[0]: '$@']";	302	} || "[unable to dump $_[0]: '$@']";
205	}	303	}
206		304
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	305	=item $ref = cf::decode_json $json
210		306
211	Converts a JSON string into the corresponding perl data structure.	307	Converts a JSON string into the corresponding perl data structure.
212		308
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	309	=item $json = cf::encode_json $ref
221		310
222	Converts a perl data structure into its JSON representation.	311	Converts a perl data structure into its JSON representation.
223		312
224	=cut	313	=cut
225		314
226	sub to_json($) {	315	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	316
228	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;
229	}	332	}
230		333
231	=item cf::lock_wait $string	334	=item cf::lock_wait $string
232		335
233	Wait until the given lock is available. See cf::lock_acquire.	336	Wait until the given lock is available. See cf::lock_acquire.
234		337
235	=item my $lock = cf::lock_acquire $string	338	=item my $lock = cf::lock_acquire $string
236		339
237	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
238	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,
239	for example when the coroutine gets canceled), the lock is automatically	342	for example when the coroutine gets canceled), the lock is automatically
240	returned.	343	returned.
241		344
		345	Locks are *not* recursive, locking from the same coro twice results in a
		346	deadlocked coro.
		347
242	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
243	uses map_find and cf::map::load uses map_load).	349	uses map_find and cf::map::load uses map_load).
244		350
245	=cut	351	=item $locked = cf::lock_active $string
246		352
247	our %LOCK;	353	Return true if the lock is currently active, i.e. somebody has locked it.
		354
		355	=cut
		356
		357	our $LOCKS = new Coro::SemaphoreSet;
248		358
249	sub lock_wait($) {	359	sub lock_wait($) {
250	my ($key) = @_;	360	$LOCKS->wait ($_[0]);
251
252	# wait for lock, if any
253	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;
256	}
257	}	361	}
258		362
259	sub lock_acquire($) {	363	sub lock_acquire($) {
260	my ($key) = @_;	364	$LOCKS->guard ($_[0])
		365	}
261		366
262	# wait, to be sure we are not locked	367	sub lock_active($) {
263	lock_wait $key;	368	$LOCKS->count ($_[0]) < 1
264
265	$LOCK{$key} = [];
266
267	Coro::guard {
268	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };
270	}
271	}	369	}
272		370
273	sub freeze_mainloop {	371	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	372	tick_inhibit_inc;
275		373
276	my $guard = Coro::guard {	374	&Guard::guard (\&tick_inhibit_dec);
277	$TICK_WATCHER->start;	375	}
278	$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($$) {
		385	my ($interval, $cb) = @_;
		386
		387	my $start = rand List::Util::min 180, $interval;
		388
		389	EV::periodic $start, $interval, 0, $cb
		390	}
		391
		392	=item cf::get_slot $time[, $priority[, $name]]
		393
		394	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		395	This call blocks and returns only when you have at least C<$time> seconds
		396	of cpu time till the next tick. The slot is only valid till the next cede.
		397
		398	The optional C<$name> can be used to identify the job to run. It might be
		399	used for statistical purposes and should identify the same time-class.
		400
		401	Useful for short background jobs.
		402
		403	=cut
		404
		405	our @SLOT_QUEUE;
		406	our $SLOT_QUEUE;
		407
		408	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		409	$SLOT_QUEUE = Coro::async {
		410	$Coro::current->desc ("timeslot manager");
		411
		412	my $signal = new Coro::Signal;
		413
		414	while () {
		415	next_job:
		416	my $avail = cf::till_tick;
		417	if ($avail > 0.01) {
		418	for (0 .. $#SLOT_QUEUE) {
		419	if ($SLOT_QUEUE[$_][0] < $avail) {
		420	my $job = splice @SLOT_QUEUE, $_, 1, ();
		421	$job->[2]->send;
		422	Coro::cede;
		423	goto next_job;
		424	}
		425	}
		426	}
		427
		428	if (@SLOT_QUEUE) {
		429	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		430	push @cf::WAIT_FOR_TICK, $signal;
		431	$signal->wait;
		432	} else {
		433	Coro::schedule;
		434	}
279	};	435	}
280	$WRITE_RUNTIME_WATCHER->stop;	436	};
281	$TICK_WATCHER->stop;	437
282	$guard	438	sub get_slot($;$$) {
		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	$sig->wait;
283	}	450	}
284		451
285	=item cf::async { BLOCK }	452	=item cf::async { BLOCK }
286		453
287	Currently the same as Coro::async_pool, meaning you cannot use	454	Currently the same as Coro::async_pool, meaning you cannot use
…		…
292		459
293	BEGIN { *async = \&Coro::async_pool }	460	BEGIN { *async = \&Coro::async_pool }
294		461
295	=item cf::sync_job { BLOCK }	462	=item cf::sync_job { BLOCK }
296		463
297	The design of crossfire+ requires that the main coro ($Coro::main) is	464	The design of Deliantra requires that the main coroutine ($Coro::main)
298	always able to handle events or runnable, as crossfire+ is only partly	465	is always able to handle events or runnable, as Deliantra is only
299	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	466	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		467	acceptable.
300		468
301	If it must be done, put the blocking parts into C<sync_job>. This will run	469	If it must be done, put the blocking parts into C<sync_job>. This will run
302	the given BLOCK in another coroutine while waiting for the result. The	470	the given BLOCK in another coroutine while waiting for the result. The
303	server will be frozen during this time, so the block should either finish	471	server will be frozen during this time, so the block should either finish
304	fast or be very important.	472	fast or be very important.
…		…
307		475
308	sub sync_job(&) {	476	sub sync_job(&) {
309	my ($job) = @_;	477	my ($job) = @_;
310		478
311	if ($Coro::current == $Coro::main) {	479	if ($Coro::current == $Coro::main) {
		480	my $time = EV::time;
		481
312	# this is the main coro, too bad, we have to block	482	# this is the main coro, too bad, we have to block
313	# till the operation succeeds, freezing the server :/	483	# till the operation succeeds, freezing the server :/
314		484
315	# TODO: use suspend/resume instead	485	LOG llevError, Carp::longmess "sync job";#d#
316	# (but this is cancel-safe)	486
317	my $freeze_guard = freeze_mainloop;	487	my $freeze_guard = freeze_mainloop;
318		488
319	my $busy = 1;	489	my $busy = 1;
320	my @res;	490	my @res;
321		491
322	(async {	492	(async {
		493	$Coro::current->desc ("sync job coro");
323	@res = eval { $job->() };	494	@res = eval { $job->() };
324	warn $@ if $@;	495	warn $@ if $@;
325	undef $busy;	496	undef $busy;
326	})->prio (Coro::PRIO_MAX);	497	})->prio (Coro::PRIO_MAX);
327		498
328	while ($busy) {	499	while ($busy) {
329	Coro::cede or Event::one_event;	500	if (Coro::nready) {
		501	Coro::cede_notself;
		502	} else {
		503	EV::loop EV::LOOP_ONESHOT;
330	}	504	}
		505	}
		506
		507	my $time = EV::time - $time;
		508
		509	$TICK_START += $time; # do not account sync jobs to server load
331		510
332	wantarray ? @res : $res[0]	511	wantarray ? @res : $res[0]
333	} else {	512	} else {
334	# we are in another coroutine, how wonderful, everything just works	513	# we are in another coroutine, how wonderful, everything just works
335		514
…		…
355	$EXT_CORO{$coro+0} = $coro;	534	$EXT_CORO{$coro+0} = $coro;
356		535
357	$coro	536	$coro
358	}	537	}
359		538
360	sub write_runtime {	539	=item fork_call { }, $args
361	my $runtime = cf::localdir . "/runtime";
362		540
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	541	Executes the given code block with the given arguments in a seperate
364	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.
365		545
366	my $value = $cf::RUNTIME + 90 + 10;	546	=cut
367	# 10 is the runtime save interval, for a monotonic clock
368	# 60 allows for the watchdog to kill the server.
369		547
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	548	sub fork_call(&@) {
371	and return;	549	my ($cb, @args) = @_;
372		550
373	# always fsync - this file is important	551	# we seemingly have to make a local copy of the whole thing,
374	aio_fsync $fh	552	# otherwise perl prematurely frees the stuff :/
375	and return;	553	# TODO: investigate and fix (likely this will be rather laborious)
376		554
377	close $fh	555	my @res = Coro::Util::fork_eval {
378	or return;	556	reset_signals;
		557	&$cb
		558	}, @args;
379		559
380	aio_rename "$runtime~", $runtime	560	wantarray ? @res : $res[-1]
381	and return;	561	}
382		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($$) {
		632	my $key = "$_[0]/$_[1]";
		633
		634	cf::sync_job {
		635	BDB::db_get $DB, undef, $key, my $data;
		636
		637	$! ? ()
		638	: $data
383	1	639	}
		640	}
		641
		642	sub db_put($$$) {
		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 });
384	}	726	}
385		727
386	=back	728	=back
387		729
388	=cut	730	=cut
389		731
390	#############################################################################	732	#############################################################################
391		733
392	=head2 ATTACHABLE OBJECTS	734	=head2 ATTACHABLE OBJECTS
393		735
394	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
395	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")
396	to it. All such attachable objects support the following methods.	738	to it. All such attachable objects support the following methods.
397		739
398	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>
399	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
400	crossfire+).	742	Deliantra).
401		743
402	=over 4	744	=over 4
403		745
404	=item $attachable->attach ($attachment, key => $value...)	746	=item $attachable->attach ($attachment, key => $value...)
405		747
…		…
449	=item cf::CLASS::attachment $name, ...	791	=item cf::CLASS::attachment $name, ...
450		792
451	Register an attachment by C<$name> through which attachable objects of the	793	Register an attachment by C<$name> through which attachable objects of the
452	given CLASS can refer to this attachment.	794	given CLASS can refer to this attachment.
453		795
454	Some classes such as crossfire maps and objects can specify attachments	796	Some classes such as deliantra maps and objects can specify attachments
455	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.
456		798
457	These calls expect any number of the following handler/hook descriptions:	799	These calls expect any number of the following handler/hook descriptions:
458		800
459	=over 4	801	=over 4
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	910	$registry = $CB_TYPE[$object_type] ||= [];
569		911
570	} elsif ($type eq "subtype") {	912	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	913	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	914	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	915	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		916
575	} elsif ($type eq "package") {	917	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	918	my $pkg = shift @arg;
577		919
578	while (my ($name, $id) = each %cb_id) {	920	while (my ($name, $id) = each %cb_id) {
…		…
607	_attach $registry, $klass, @attach;	949	_attach $registry, $klass, @attach;
608	}	950	}
609		951
610	$obj->{$name} = \%arg;	952	$obj->{$name} = \%arg;
611	} else {	953	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	954	warn "object uses attachment '$name' which is not available, postponing.\n";
613	}	955	}
614		956
615	$obj->{_attachment}{$name} = undef;	957	$obj->{_attachment}{$name} = undef;
616	}	958	}
617		959
…		…
619	if (ref $_[0]) {	961	if (ref $_[0]) {
620	_object_attach @_;	962	_object_attach @_;
621	} else {	963	} else {
622	_attach shift->_attach_registry, @_;	964	_attach shift->_attach_registry, @_;
623	}	965	}
		966	_recalc_want;
624	};	967	};
625		968
626	# all those should be optimised	969	# all those should be optimised
627	sub cf::attachable::detach {	970	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	971	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	974	delete $obj->{_attachment}{$name};
632	reattach ($obj);	975	reattach ($obj);
633	} else {	976	} else {
634	Carp::croak "cannot, currently, detach class attachments";	977	Carp::croak "cannot, currently, detach class attachments";
635	}	978	}
		979	_recalc_want;
636	};	980	};
637		981
638	sub cf::attachable::attached {	982	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	983	my ($obj, $name) = @_;
640		984
…		…
655	";	999	";
656	die if $@;	1000	die if $@;
657	}	1001	}
658		1002
659	our $override;	1003	our $override;
660	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?
661		1005
662	sub override {	1006	sub override {
663	$override = 1;	1007	$override = 1;
664	@invoke_results = ();	1008	@INVOKE_RESULTS = (@_);
665	}	1009	}
666		1010
667	sub do_invoke {	1011	sub do_invoke {
668	my $event = shift;	1012	my $event = shift;
669	my $callbacks = shift;	1013	my $callbacks = shift;
670		1014
671	@invoke_results = ();	1015	@INVOKE_RESULTS = ();
672		1016
673	local $override;	1017	local $override;
674		1018
675	for (@$callbacks) {	1019	for (@$callbacks) {
676	eval { &{$_->[1]} };	1020	eval { &{$_->[1]} };
…		…
685	}	1029	}
686		1030
687	0	1031	0
688	}	1032	}
689		1033
690	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1034	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
691		1035
692	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1036	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
693		1037
694	Generate an object-specific event with the given arguments.	1038	Generate an object-specific event with the given arguments.
695		1039
696	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
697	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
698	results (if you must, access C<@cf::invoke_results> directly).	1042	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		1043
700	=back	1044	=back
701		1045
702	=cut	1046	=cut
703		1047
704	#############################################################################	1048	#############################################################################
705	# 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, $ob2
		1091	}
706		1092
707	sub reattach {	1093	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	1094	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	1095	my ($obj) = @_;
710		1096
		1097	# no longer needed after getting rid of delete_package?
711	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
712		1099
713	my $registry = $obj->registry;	1100	my $registry = $obj->registry;
714		1101
715	@$registry = ();	1102	@$registry = ();
716		1103
…		…
731	cf::attachable->attach (	1118	cf::attachable->attach (
732	prio => -1000000,	1119	prio => -1000000,
733	on_instantiate => sub {	1120	on_instantiate => sub {
734	my ($obj, $data) = @_;	1121	my ($obj, $data) = @_;
735		1122
736	$data = from_json $data;	1123	$data = decode_json $data;
737		1124
738	for (@$data) {	1125	for (@$data) {
739	my ($name, $args) = @$_;	1126	my ($name, $args) = @$_;
740		1127
741	$obj->attach ($name, %{$args || {} });	1128	$obj->attach ($name, %{$args || {} });
…		…
757	sub object_freezer_save {	1144	sub object_freezer_save {
758	my ($filename, $rdata, $objs) = @_;	1145	my ($filename, $rdata, $objs) = @_;
759		1146
760	sync_job {	1147	sync_job {
761	if (length $$rdata) {	1148	if (length $$rdata) {
		1149	utf8::decode (my $decname = $filename);
762	warn sprintf "saving %s (%d,%d)\n",	1150	warn sprintf "saving %s (%d,%d)\n",
763	$filename, length $$rdata, scalar @$objs;	1151	$decname, length $$rdata, scalar @$objs;
764		1152
765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1153	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
766	chmod SAVE_MODE, $fh;	1154	aio_chmod $fh, SAVE_MODE;
767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1155	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1156	if ($cf::USE_FSYNC) {
		1157	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1158	aio_fsync $fh;
		1159	}
769	close $fh;	1160	aio_close $fh;
770		1161
771	if (@$objs) {	1162	if (@$objs) {
772	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1163	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
773	chmod SAVE_MODE, $fh;	1164	aio_chmod $fh, SAVE_MODE;
774	my $data = Storable::nfreeze { version => 1, objs => $objs };	1165	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
775	aio_write $fh, 0, (length $data), $data, 0;	1166	aio_write $fh, 0, (length $data), $data, 0;
776	aio_fsync $fh if $cf::USE_FSYNC;	1167	if ($cf::USE_FSYNC) {
		1168	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1169	aio_fsync $fh;
		1170	}
777	close $fh;	1171	aio_close $fh;
778	aio_rename "$filename.pst~", "$filename.pst";	1172	aio_rename "$filename.pst~", "$filename.pst";
779	}	1173	}
780	} else {	1174	} else {
781	aio_unlink "$filename.pst";	1175	aio_unlink "$filename.pst";
782	}	1176	}
783		1177
784	aio_rename "$filename~", $filename;	1178	aio_rename "$filename~", $filename;
		1179
		1180	$filename =~ s%/[^/]+$%%;
		1181	aio_pathsync $filename if $cf::USE_FSYNC;
785	} else {	1182	} else {
786	warn "FATAL: $filename~: $!\n";	1183	warn "unable to save objects: $filename~: $!\n";
787	}	1184	}
788	} else {	1185	} else {
789	aio_unlink $filename;	1186	aio_unlink $filename;
790	aio_unlink "$filename.pst";	1187	aio_unlink "$filename.pst";
791	}	1188	}
792
793	#d##TODO# nuke non .map-files if exist
794	if ($filename =~ s/\.map$//) {
795	aio_unlink $filename;
796	aio_unlink "$filename.pst";
797	}
798	}	1189	};
799	}	1190	}
800		1191
801	sub object_freezer_as_string {	1192	sub object_freezer_as_string {
802	my ($rdata, $objs) = @_;	1193	my ($rdata, $objs) = @_;
803		1194
…		…
808		1199
809	sub object_thawer_load {	1200	sub object_thawer_load {
810	my ($filename) = @_;	1201	my ($filename) = @_;
811		1202
812	my ($data, $av);	1203	my ($data, $av);
813
814	#d#TODO remove .map if file does not exist
815	aio_stat $filename and $filename =~ s/\.map$//;
816		1204
817	(aio_load $filename, $data) >= 0	1205	(aio_load $filename, $data) >= 0
818	or return;	1206	or return;
819		1207
820	unless (aio_stat "$filename.pst") {	1208	unless (aio_stat "$filename.pst") {
821	(aio_load "$filename.pst", $av) >= 0	1209	(aio_load "$filename.pst", $av) >= 0
822	or return;	1210	or return;
		1211
823	$av = eval { (Storable::thaw $av)->{objs} };	1212	my $st = eval { Coro::Storable::thaw $av };
		1213	$av = $st->{objs};
824	}	1214	}
825		1215
		1216	utf8::decode (my $decname = $filename);
826	warn sprintf "loading %s (%d)\n",	1217	warn sprintf "loading %s (%d,%d)\n",
827	$filename, length $data, scalar @{$av || []};#d#	1218	$decname, length $data, scalar @{$av || []};
		1219
828	return ($data, $av);	1220	($data, $av)
829	}	1221	}
		1222
		1223	=head2 COMMAND CALLBACKS
		1224
		1225	=over 4
		1226
		1227	=cut
830		1228
831	#############################################################################	1229	#############################################################################
832	# command handling &c	1230	# command handling &c
833		1231
834	=item cf::register_command $name => \&callback($ob,$args);	1232	=item cf::register_command $name => \&callback($ob,$args);
…		…
847	push @{ $COMMAND{$name} }, [$caller, $cb];	1245	push @{ $COMMAND{$name} }, [$caller, $cb];
848	}	1246	}
849		1247
850	=item cf::register_extcmd $name => \&callback($pl,$packet);	1248	=item cf::register_extcmd $name => \&callback($pl,$packet);
851		1249
852	Register a callbackf ro execution when the client sends an extcmd packet.	1250	Register a callback for execution when the client sends an (synchronous)
		1251	extcmd packet. Ext commands will be processed in the order they are
		1252	received by the server, like other user commands. The first argument is
		1253	the logged-in player. Ext commands can only be processed after a player
		1254	has logged in successfully.
853		1255
854	If the callback returns something, it is sent back as if reply was being	1256	If the callback returns something, it is sent back as if reply was being
855	called.	1257	called.
856		1258
		1259	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1260
		1261	Register a callback for execution when the client sends an (asynchronous)
		1262	exticmd packet. Exti commands are processed by the server as soon as they
		1263	are received, i.e. out of order w.r.t. other commands. The first argument
		1264	is a client socket. Exti commands can be received anytime, even before
		1265	log-in.
		1266
		1267	If the callback returns something, it is sent back as if reply was being
		1268	called.
		1269
857	=cut	1270	=cut
858		1271
859	sub register_extcmd {	1272	sub register_extcmd {
860	my ($name, $cb) = @_;	1273	my ($name, $cb) = @_;
861		1274
862	$EXTCMD{$name} = $cb;	1275	$EXTCMD{$name} = $cb;
863	}	1276	}
		1277
		1278	sub register_exticmd {
		1279	my ($name, $cb) = @_;
		1280
		1281	$EXTICMD{$name} = $cb;
		1282	}
		1283
		1284	use File::Glob ();
864		1285
865	cf::player->attach (	1286	cf::player->attach (
866	on_command => sub {	1287	on_command => sub {
867	my ($pl, $name, $params) = @_;	1288	my ($pl, $name, $params) = @_;
868		1289
…		…
876	cf::override;	1297	cf::override;
877	},	1298	},
878	on_extcmd => sub {	1299	on_extcmd => sub {
879	my ($pl, $buf) = @_;	1300	my ($pl, $buf) = @_;
880		1301
881	my $msg = eval { from_json $buf };	1302	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
882		1303
883	if (ref $msg) {	1304	if (ref $msg) {
		1305	my ($type, $reply, @payload) =
		1306	"ARRAY" eq ref $msg
		1307	? @$msg
		1308	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1309
		1310	my @reply;
		1311
884	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1312	if (my $cb = $EXTCMD{$type}) {
885	if (my %reply = $cb->($pl, $msg)) {	1313	@reply = $cb->($pl, @payload);
886	$pl->ext_reply ($msg->{msgid}, %reply);
887	}
888	}	1314	}
		1315
		1316	$pl->ext_reply ($reply, @reply)
		1317	if $reply;
		1318
889	} else {	1319	} else {
890	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1320	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
891	}	1321	}
892		1322
893	cf::override;	1323	cf::override;
894	},	1324	},
895	);	1325	);
896		1326
		1327	# "readahead" all extensions
897	sub load_extension {	1328	sub cache_extensions {
898	my ($path) = @_;	1329	my $grp = IO::AIO::aio_group;
899		1330
900	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1331	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
901	my $base = $1;	1332	for (grep /\.ext$/, @{$_[0]}) {
902	my $pkg = $1;	1333	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
903	$pkg =~ s/[^[:word:]]/_/g;
904	$pkg = "ext::$pkg";
905
906	warn "... loading '$path' into '$pkg'\n";
907
908	open my $fh, "<:utf8", $path
909	or die "$path: $!";
910
911	my $source =
912	"package $pkg; use strict; use utf8;\n"
913	. "#line 1 \"$path\"\n{\n"
914	. (do { local $/; <$fh> })
915	. "\n};\n1";
916
917	unless (eval $source) {
918	my $msg = $@ ? "$path: $@\n"
919	: "extension disabled.\n";
920	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
921	warn $@;
922	warn "mandatory extension failed to load, exiting.\n";
923	exit 1;
924	}	1334	}
925	die $@;
926	}	1335	};
927		1336
928	push @EXTS, $pkg;	1337	$grp
929	}	1338	}
930		1339
931	sub load_extensions {	1340	sub load_extensions {
		1341	cf::sync_job {
		1342	my %todo;
		1343
932	for my $ext (<$LIBDIR/*.ext>) {	1344	for my $path (<$LIBDIR/*.ext>) {
933	next unless -r $ext;	1345	next unless -r $path;
934	eval {	1346
935	load_extension $ext;	1347	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1348	my $base = $1;
		1349	my $pkg = $1;
		1350	$pkg =~ s/[^[:word:]]/_/g;
		1351	$pkg = "ext::$pkg";
		1352
		1353	open my $fh, "<:utf8", $path
		1354	or die "$path: $!";
		1355
		1356	my $source = do { local $/; <$fh> };
		1357
		1358	my %ext = (
		1359	path => $path,
		1360	base => $base,
		1361	pkg => $pkg,
		1362	);
		1363
		1364	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1365	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1366
		1367	$ext{source} =
		1368	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1369	. "#line 1 \"$path\"\n{\n"
		1370	. $source
		1371	. "\n};\n1";
		1372
		1373	$todo{$base} = \%ext;
		1374	}
		1375
		1376	my %done;
		1377	while (%todo) {
		1378	my $progress;
		1379
		1380	while (my ($k, $v) = each %todo) {
		1381	for (split /,\s*/, $v->{meta}{depends}) {
		1382	goto skip
		1383	unless exists $done{$_};
		1384	}
		1385
		1386	warn "... loading '$k' into '$v->{pkg}'\n";
		1387
		1388	unless (eval $v->{source}) {
		1389	my $msg = $@ ? "$v->{path}: $@\n"
		1390	: "$v->{base}: extension inactive.\n";
		1391
		1392	if (exists $v->{meta}{mandatory}) {
		1393	warn $msg;
		1394	cf::cleanup "mandatory extension failed to load, exiting.";
		1395	}
		1396
		1397	warn $msg;
		1398	}
		1399
		1400	$done{$k} = delete $todo{$k};
		1401	push @EXTS, $v->{pkg};
		1402	$progress = 1;
936	1	1403	}
937	} or warn "$ext not loaded: $@";	1404
		1405	skip:
		1406	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1407	unless $progress;
		1408	}
938	}	1409	};
939	}	1410	}
940		1411
941	#############################################################################	1412	#############################################################################
942		1413
		1414	=back
		1415
943	=head2 CORE EXTENSIONS	1416	=head2 CORE EXTENSIONS
944		1417
945	Functions and methods that extend core crossfire objects.	1418	Functions and methods that extend core deliantra objects.
946		1419
947	=cut	1420	=cut
948		1421
949	package cf::player;	1422	package cf::player;
950		1423
…		…
952		1425
953	=head3 cf::player	1426	=head3 cf::player
954		1427
955	=over 4	1428	=over 4
956		1429
		1430	=item cf::player::num_playing
		1431
		1432	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1433
		1434	=cut
		1435
		1436	sub num_playing {
		1437	scalar grep
		1438	$_->ob->map
		1439	&& !$_->hidden
		1440	&& !$_->ob->flag (cf::FLAG_WIZ),
		1441	cf::player::list
		1442	}
		1443
957	=item cf::player::find $login	1444	=item cf::player::find $login
958		1445
959	Returns the given player object, loading it if necessary (might block).	1446	Returns the given player object, loading it if necessary (might block).
960		1447
961	=cut	1448	=cut
962		1449
963	sub playerdir($) {	1450	sub playerdir($) {
964	cf::localdir	1451	"$PLAYERDIR/"
965	. "/"
966	. cf::playerdir
967	. "/"
968	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1452	. (ref $_[0] ? $_[0]->ob->name : $_[0])
969	}	1453	}
970		1454
971	sub path($) {	1455	sub path($) {
972	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1456	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
973		1457
974	(playerdir $login) . "/$login.pl"	1458	(playerdir $login) . "/playerdata"
975	}	1459	}
976		1460
977	sub find_active($) {	1461	sub find_active($) {
978	$cf::PLAYER{$_[0]}	1462	$cf::PLAYER{$_[0]}
979	and $cf::PLAYER{$_[0]}->active	1463	and $cf::PLAYER{$_[0]}->active
…		…
982		1466
983	sub exists($) {	1467	sub exists($) {
984	my ($login) = @_;	1468	my ($login) = @_;
985		1469
986	$cf::PLAYER{$login}	1470	$cf::PLAYER{$login}
987	or cf::sync_job { !aio_stat path $login }	1471	or !aio_stat path $login
988	}	1472	}
989		1473
990	sub find($) {	1474	sub find($) {
991	return $cf::PLAYER{$_[0]} || do {	1475	return $cf::PLAYER{$_[0]} || do {
992	my $login = $_[0];	1476	my $login = $_[0];
993		1477
994	my $guard = cf::lock_acquire "user_find:$login";	1478	my $guard = cf::lock_acquire "user_find:$login";
995		1479
996	$cf::PLAYER{$_[0]} || do {	1480	$cf::PLAYER{$_[0]} || do {
997	my $pl = load_pl path $login	1481	# rename old playerfiles to new ones
		1482	#TODO: remove when no longer required
		1483	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1484	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1485	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1486	aio_unlink +(playerdir $login) . "/$login.pl";
		1487
		1488	my $f = new_from_file cf::object::thawer path $login
998	or return;	1489	or return;
		1490
		1491	my $pl = cf::player::load_pl $f
		1492	or return;
		1493
		1494	local $cf::PLAYER_LOADING{$login} = $pl;
		1495	$f->resolve_delayed_derefs;
999	$cf::PLAYER{$login} = $pl	1496	$cf::PLAYER{$login} = $pl
1000	}	1497	}
1001	}	1498	}
1002	}	1499	}
1003		1500
…		…
1012	return if $pl->{deny_save};	1509	return if $pl->{deny_save};
1013		1510
1014	aio_mkdir playerdir $pl, 0770;	1511	aio_mkdir playerdir $pl, 0770;
1015	$pl->{last_save} = $cf::RUNTIME;	1512	$pl->{last_save} = $cf::RUNTIME;
1016		1513
		1514	cf::get_slot 0.01;
		1515
1017	$pl->save_pl ($path);	1516	$pl->save_pl ($path);
1018	Coro::cede;	1517	cf::cede_to_tick;
1019	}	1518	}
1020		1519
1021	sub new($) {	1520	sub new($) {
1022	my ($login) = @_;	1521	my ($login) = @_;
1023		1522
…		…
1029	$cf::PLAYER{$login} = $self;	1528	$cf::PLAYER{$login} = $self;
1030		1529
1031	$self	1530	$self
1032	}	1531	}
1033		1532
		1533	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1534
		1535	=cut
		1536
		1537	sub send_msg {
		1538	my $ns = shift->ns
		1539	or return;
		1540	$ns->send_msg (@_);
		1541	}
		1542
1034	=item $pl->quit_character	1543	=item $pl->quit_character
1035		1544
1036	Nukes the player without looking back. If logged in, the connection will	1545	Nukes the player without looking back. If logged in, the connection will
1037	be destroyed. May block for a long time.	1546	be destroyed. May block for a long time.
1038		1547
1039	=cut	1548	=cut
1040		1549
1041	sub quit_character {	1550	sub quit_character {
1042	my ($pl) = @_;	1551	my ($pl) = @_;
1043		1552
		1553	my $name = $pl->ob->name;
		1554
1044	$pl->{deny_save} = 1;	1555	$pl->{deny_save} = 1;
1045	$pl->password ("*"); # this should lock out the player until we nuked the dir	1556	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1046		1557
1047	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1558	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1048	$pl->deactivate;	1559	$pl->deactivate;
		1560	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1561	$pl->ob->check_score;
1049	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1562	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1050	$pl->ns->destroy if $pl->ns;	1563	$pl->ns->destroy if $pl->ns;
1051		1564
1052	my $path = playerdir $pl;	1565	my $path = playerdir $pl;
1053	my $temp = "$path~$cf::RUNTIME~deleting~";	1566	my $temp = "$path~$cf::RUNTIME~deleting~";
1054	aio_rename $path, $temp;	1567	aio_rename $path, $temp;
1055	delete $cf::PLAYER{$pl->ob->name};	1568	delete $cf::PLAYER{$pl->ob->name};
1056	$pl->destroy;	1569	$pl->destroy;
		1570
		1571	my $prefix = qr<^~\Q$name\E/>;
		1572
		1573	# nuke player maps
		1574	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1575
1057	IO::AIO::aio_rmtree $temp;	1576	IO::AIO::aio_rmtree $temp;
		1577	}
		1578
		1579	=item $pl->kick
		1580
		1581	Kicks a player out of the game. This destroys the connection.
		1582
		1583	=cut
		1584
		1585	sub kick {
		1586	my ($pl, $kicker) = @_;
		1587
		1588	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1589	$pl->killer ("kicked");
		1590	$pl->ns->destroy;
1058	}	1591	}
1059		1592
1060	=item cf::player::list_logins	1593	=item cf::player::list_logins
1061		1594
1062	Returns am arrayref of all valid playernames in the system, can take a	1595	Returns am arrayref of all valid playernames in the system, can take a
1063	while and may block, so not sync_job-capable, ever.	1596	while and may block, so not sync_job-capable, ever.
1064		1597
1065	=cut	1598	=cut
1066		1599
1067	sub list_logins {	1600	sub list_logins {
1068	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1601	my $dirs = aio_readdir $PLAYERDIR
1069	or return [];	1602	or return [];
1070		1603
1071	my @logins;	1604	my @logins;
1072		1605
1073	for my $login (@$dirs) {	1606	for my $login (@$dirs) {
		1607	my $path = path $login;
		1608
		1609	# a .pst is a dead give-away for a valid player
		1610	# if no pst file found, open and chekc for blocked users
		1611	if (aio_stat "$path.pst") {
1074	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1612	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1075	aio_read $fh, 0, 512, my $buf, 0 or next;	1613	aio_read $fh, 0, 512, my $buf, 0 or next;
1076	$buf !~ /^password -------------$/m or next; # official not-valid tag	1614	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1615	}
1077		1616
1078	utf8::decode $login;	1617	utf8::decode $login;
1079	push @logins, $login;	1618	push @logins, $login;
1080	}	1619	}
1081		1620
…		…
1108	}	1647	}
1109		1648
1110	\@paths	1649	\@paths
1111	}	1650	}
1112		1651
		1652	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1653
		1654	Expand deliantra pod fragments into protocol xml.
		1655
1113	=item $player->ext_reply ($msgid, $msgtype, %msg)	1656	=item $player->ext_reply ($msgid, @msg)
1114		1657
1115	Sends an ext reply to the player.	1658	Sends an ext reply to the player.
1116		1659
1117	=cut	1660	=cut
1118		1661
1119	sub ext_reply($$$%) {	1662	sub ext_reply($$@) {
1120	my ($self, $id, %msg) = @_;	1663	my ($self, $id, @msg) = @_;
1121		1664
1122	$msg{msgid} = $id;	1665	$self->ns->ext_reply ($id, @msg)
1123
1124	$self->send ("ext " . cf::to_json \%msg);
1125	}	1666	}
1126		1667
1127	package cf;	1668	=item $player->ext_msg ($type, @msg)
		1669
		1670	Sends an ext event to the client.
		1671
		1672	=cut
		1673
		1674	sub ext_msg($$@) {
		1675	my ($self, $type, @msg) = @_;
		1676
		1677	$self->ns->ext_msg ($type, @msg);
		1678	}
		1679
		1680	=head3 cf::region
		1681
		1682	=over 4
		1683
		1684	=cut
		1685
		1686	package cf::region;
		1687
		1688	=item cf::region::find_by_path $path
		1689
		1690	Tries to decuce the likely region for a map knowing only its path.
		1691
		1692	=cut
		1693
		1694	sub find_by_path($) {
		1695	my ($path) = @_;
		1696
		1697	my ($match, $specificity);
		1698
		1699	for my $region (list) {
		1700	if ($region->{match} && $path =~ $region->{match}) {
		1701	($match, $specificity) = ($region, $region->specificity)
		1702	if $region->specificity > $specificity;
		1703	}
		1704	}
		1705
		1706	$match
		1707	}
1128		1708
1129	=back	1709	=back
1130
1131		1710
1132	=head3 cf::map	1711	=head3 cf::map
1133		1712
1134	=over 4	1713	=over 4
1135		1714
…		…
1147	our $MAX_RESET = 3600;	1726	our $MAX_RESET = 3600;
1148	our $DEFAULT_RESET = 3000;	1727	our $DEFAULT_RESET = 3000;
1149		1728
1150	sub generate_random_map {	1729	sub generate_random_map {
1151	my ($self, $rmp) = @_;	1730	my ($self, $rmp) = @_;
		1731
		1732	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1733
1152	# mit "rum" bekleckern, nicht	1734	# mit "rum" bekleckern, nicht
1153	$self->_create_random_map (	1735	$self->_create_random_map (
1154	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1736	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1155	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1737	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1156	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1738	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1190	my ($self, $merge) = @_;	1772	my ($self, $merge) = @_;
1191		1773
1192	# we have to keep some variables in memory intact	1774	# we have to keep some variables in memory intact
1193	local $self->{path};	1775	local $self->{path};
1194	local $self->{load_path};	1776	local $self->{load_path};
1195	local $self->{deny_save};
1196	local $self->{deny_reset};
1197		1777
1198	$self->SUPER::thawer_merge ($merge);	1778	$self->SUPER::thawer_merge ($merge);
1199	}	1779	}
1200		1780
1201	sub normalise {	1781	sub normalise {
…		…
1248	$self->init; # pass $1 etc.	1828	$self->init; # pass $1 etc.
1249	return $self;	1829	return $self;
1250	}	1830	}
1251	}	1831	}
1252		1832
1253	Carp::carp "unable to resolve path '$path' (base '$base').";	1833	Carp::cluck "unable to resolve path '$path' (base '$base').";
1254	()	1834	()
1255	}	1835	}
1256		1836
1257	sub init {	1837	sub init {
1258	my ($self) = @_;	1838	my ($self) = @_;
…		…
1273		1853
1274	# the original (read-only) location	1854	# the original (read-only) location
1275	sub load_path {	1855	sub load_path {
1276	my ($self) = @_;	1856	my ($self) = @_;
1277		1857
1278	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1858	"$MAPDIR/$self->{path}.map"
1279	}	1859	}
1280		1860
1281	# the temporary/swap location	1861	# the temporary/swap location
1282	sub save_path {	1862	sub save_path {
1283	my ($self) = @_;	1863	my ($self) = @_;
1284		1864
1285	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1865	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1286	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1866	"$TMPDIR/$path.map"
1287	}	1867	}
1288		1868
1289	# the unique path, undef == no special unique path	1869	# the unique path, undef == no special unique path
1290	sub uniq_path {	1870	sub uniq_path {
1291	my ($self) = @_;	1871	my ($self) = @_;
1292		1872
1293	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1873	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1294	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1874	"$UNIQUEDIR/$path"
1295	}	1875	}
1296		1876
1297	# and all this just because we cannot iterate over	1877	sub decay_objects {
1298	# all maps in C++...
1299	sub change_all_map_light {
1300	my ($change) = @_;	1878	my ($self) = @_;
1301		1879
1302	$_->change_map_light ($change)	1880	return if $self->{deny_reset};
1303	for grep $_->outdoor, values %cf::MAP;	1881
		1882	$self->do_decay_objects;
1304	}	1883	}
1305		1884
1306	sub unlink_save {	1885	sub unlink_save {
1307	my ($self) = @_;	1886	my ($self) = @_;
1308		1887
1309	utf8::encode (my $save = $self->save_path);	1888	utf8::encode (my $save = $self->save_path);
1310	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1889	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1311	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1890	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1312
1313	#d#TODO remove .map and also nuke
1314	$save =~ s/\.map// or return;#d#
1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1316	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1317	}	1891	}
1318		1892
1319	sub load_header_from($) {	1893	sub load_header_from($) {
1320	my ($self, $path) = @_;	1894	my ($self, $path) = @_;
1321		1895
1322	utf8::encode $path;	1896	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	1897	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	or return;	1898	or return;
		1899
		1900	$self->_load_header ($f)
		1901	or return;
		1902
		1903	local $MAP_LOADING{$self->{path}} = $self;
		1904	$f->resolve_delayed_derefs;
1328		1905
1329	$self->{load_path} = $path;	1906	$self->{load_path} = $path;
1330		1907
1331	1	1908	1
1332	}	1909	}
…		…
1371	$self->load_header_orig	1948	$self->load_header_orig
1372	or return;	1949	or return;
1373	$self->prepare_orig;	1950	$self->prepare_orig;
1374	}	1951	}
1375		1952
		1953	$self->{deny_reset} = 1
		1954	if $self->no_reset;
		1955
		1956	$self->default_region (cf::region::find_by_path $self->{path})
		1957	unless $self->default_region;
		1958
1376	1	1959	1
1377	}	1960	}
1378		1961
1379	sub find;	1962	sub find;
1380	sub find {	1963	sub find {
1381	my ($path, $origin) = @_;	1964	my ($path, $origin) = @_;
1382		1965
1383	$path = normalise $path, $origin && $origin->path;	1966	$path = normalise $path, $origin && $origin->path;
1384		1967
		1968	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1385	cf::lock_wait "map_find:$path";	1969	my $guard2 = cf::lock_acquire "map_find:$path";
1386		1970
1387	$cf::MAP{$path} || do {	1971	$cf::MAP{$path} || do {
1388	my $guard = cf::lock_acquire "map_find:$path";
1389	my $map = new_from_path cf::map $path	1972	my $map = new_from_path cf::map $path
1390	or return;	1973	or return;
1391		1974
1392	$map->{last_save} = $cf::RUNTIME;	1975	$map->{last_save} = $cf::RUNTIME;
1393		1976
1394	$map->load_header	1977	$map->load_header
1395	or return;	1978	or return;
1396		1979
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1980	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	1981	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	1982	#$cf::WAIT_FOR_TICK->wait;
		1983	undef $guard2;
		1984	undef $guard1;
1400	$map->reset;	1985	$map->reset;
1401	undef $guard;
1402	return find $path;	1986	return find $path;
1403	}	1987	}
1404		1988
1405	$cf::MAP{$path} = $map	1989	$cf::MAP{$path} = $map
1406	}	1990	}
…		…
1413	my ($self) = @_;	1997	my ($self) = @_;
1414		1998
1415	local $self->{deny_reset} = 1; # loading can take a long time	1999	local $self->{deny_reset} = 1; # loading can take a long time
1416		2000
1417	my $path = $self->{path};	2001	my $path = $self->{path};
		2002
		2003	{
1418	my $guard = cf::lock_acquire "map_load:$path";	2004	my $guard = cf::lock_acquire "map_data:$path";
1419		2005
		2006	return unless $self->valid;
1420	return if $self->in_memory != cf::MAP_SWAPPED;	2007	return unless $self->in_memory == cf::MAP_SWAPPED;
1421		2008
1422	$self->in_memory (cf::MAP_LOADING);	2009	$self->in_memory (cf::MAP_LOADING);
1423		2010
1424	$self->alloc;	2011	$self->alloc;
1425		2012
1426	$self->pre_load;	2013	$self->pre_load;
		2014	cf::cede_to_tick;
1427		2015
1428	$self->_load_objects ($self->{load_path}, 1)	2016	my $f = new_from_file cf::object::thawer $self->{load_path};
		2017	$f->skip_block;
		2018	$self->_load_objects ($f)
1429	or return;	2019	or return;
1430		2020
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2021	$self->post_load_original
1432	if delete $self->{load_original};	2022	if delete $self->{load_original};
1433		2023
1434	if (my $uniq = $self->uniq_path) {	2024	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	2025	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	2026	unless (aio_stat $uniq) {
		2027	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	2028	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	2029	$self->_load_objects ($f);
		2030	$f->resolve_delayed_derefs;
		2031	}
1439	}	2032	}
1440	}	2033	}
1441		2034
1442	Coro::cede;	2035	$f->resolve_delayed_derefs;
1443		2036
		2037	cf::cede_to_tick;
1444	# now do the right thing for maps	2038	# now do the right thing for maps
1445	$self->link_multipart_objects;	2039	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;
1452	$self->set_darkness_map;
1453	$self->difficulty ($self->estimate_difficulty)	2040	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	2041	unless $self->difficulty;
1455	Coro::cede;	2042	cf::cede_to_tick;
		2043
		2044	unless ($self->{deny_activate}) {
		2045	$self->decay_objects;
		2046	$self->fix_auto_apply;
		2047	$self->update_buttons;
		2048	cf::cede_to_tick;
1456	$self->activate;	2049	$self->activate;
		2050	}
		2051
		2052	$self->{last_save} = $cf::RUNTIME;
		2053	$self->last_access ($cf::RUNTIME);
		2054
		2055	$self->in_memory (cf::MAP_ACTIVE);
1457	}	2056	}
1458		2057
1459	$self->post_load;	2058	$self->post_load;
1460
1461	$self->in_memory (cf::MAP_IN_MEMORY);
1462	}	2059	}
1463		2060
1464	sub customise_for {	2061	sub customise_for {
1465	my ($self, $ob) = @_;	2062	my ($self, $ob) = @_;
1466		2063
1467	return find "~" . $ob->name . "/" . $self->{path}	2064	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	2065	if $self->per_player;
1469		2066
		2067	# return find "?party/" . $ob->name . "/" . $self->{path}
		2068	# if $self->per_party;
		2069
1470	$self	2070	$self
1471	}	2071	}
1472		2072
1473	# find and load all maps in the 3x3 area around a map	2073	# find and load all maps in the 3x3 area around a map
1474	sub load_diag {	2074	sub load_neighbours {
1475	my ($map) = @_;	2075	my ($map) = @_;
1476		2076
1477	my @diag; # diagonal neighbours	2077	my @neigh; # diagonal neighbours
1478		2078
1479	for (0 .. 3) {	2079	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)	2080	my $neigh = $map->tile_path ($_)
1481	or next;	2081	or next;
1482	$neigh = find $neigh, $map	2082	$neigh = find $neigh, $map
1483	or next;	2083	or next;
1484	$neigh->load;	2084	$neigh->load;
1485		2085
		2086	push @neigh,
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2087	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2088	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}	2089	}
1489		2090
1490	for (@diag) {	2091	for (grep defined $_->[0], @neigh) {
		2092	my ($path, $origin) = @$_;
1491	my $neigh = find @$_	2093	my $neigh = find $path, $origin
1492	or next;	2094	or next;
1493	$neigh->load;	2095	$neigh->load;
1494	}	2096	}
1495	}	2097	}
1496		2098
…		…
1501	}	2103	}
1502		2104
1503	sub do_load_sync {	2105	sub do_load_sync {
1504	my ($map) = @_;	2106	my ($map) = @_;
1505		2107
		2108	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2109	if $Coro::current == $Coro::main;
		2110
1506	cf::sync_job { $map->load };	2111	cf::sync_job { $map->load };
1507	}	2112	}
1508		2113
1509	our %MAP_PREFETCH;	2114	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	2115	our $MAP_PREFETCHER = undef;
1511		2116
1512	sub find_async {	2117	sub find_async {
1513	my ($path, $origin) = @_;	2118	my ($path, $origin, $load) = @_;
1514		2119
1515	$path = normalise $path, $origin && $origin->{path};	2120	$path = normalise $path, $origin && $origin->{path};
1516		2121
1517	if (my $map = $cf::MAP{$path}) {	2122	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2123	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1519	}	2124	}
1520		2125
1521	undef $MAP_PREFETCH{$path};	2126	$MAP_PREFETCH{$path} |= $load;
		2127
1522	$MAP_PREFETCHER ||= cf::async {	2128	$MAP_PREFETCHER ||= cf::async {
		2129	$Coro::current->{desc} = "map prefetcher";
		2130
1523	while (%MAP_PREFETCH) {	2131	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2132	while (my ($k, $v) = each %MAP_PREFETCH) {
1525	my $map = find $path	2133	if (my $map = find $k) {
1526	or next;
1527	$map->load;	2134	$map->load if $v;
		2135	}
1528		2136
1529	delete $MAP_PREFETCH{$path};	2137	delete $MAP_PREFETCH{$k};
1530	}	2138	}
1531	}	2139	}
1532	undef $MAP_PREFETCHER;	2140	undef $MAP_PREFETCHER;
1533	};	2141	};
1534	$MAP_PREFETCHER->prio (6);	2142	$MAP_PREFETCHER->prio (6);
…		…
1537	}	2145	}
1538		2146
1539	sub save {	2147	sub save {
1540	my ($self) = @_;	2148	my ($self) = @_;
1541		2149
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;	2150	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2151
1544	$self->{last_save} = $cf::RUNTIME;	2152	$self->{last_save} = $cf::RUNTIME;
1545		2153
1546	return unless $self->dirty;	2154	return unless $self->dirty;
1547		2155
…		…
1553	return if $self->{deny_save};	2161	return if $self->{deny_save};
1554		2162
1555	local $self->{last_access} = $self->last_access;#d#	2163	local $self->{last_access} = $self->last_access;#d#
1556		2164
1557	cf::async {	2165	cf::async {
		2166	$Coro::current->{desc} = "map player save";
1558	$_->contr->save for $self->players;	2167	$_->contr->save for $self->players;
1559	};	2168	};
		2169
		2170	cf::get_slot 0.02;
1560		2171
1561	if ($uniq) {	2172	if ($uniq) {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2173	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2174	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1564	} else {	2175	} else {
…		…
1570	my ($self) = @_;	2181	my ($self) = @_;
1571		2182
1572	# save first because save cedes	2183	# save first because save cedes
1573	$self->save;	2184	$self->save;
1574		2185
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2186	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2187
1577	return if $self->players;	2188	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;	2189	return if $self->in_memory != cf::MAP_ACTIVE;
1579	return if $self->{deny_save};	2190	return if $self->{deny_save};
1580		2191
		2192	$self->in_memory (cf::MAP_SWAPPED);
		2193
		2194	$self->deactivate;
		2195	$_->clear_links_to ($self) for values %cf::MAP;
1581	$self->clear;	2196	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2197	}
1584		2198
1585	sub reset_at {	2199	sub reset_at {
1586	my ($self) = @_;	2200	my ($self) = @_;
1587		2201
1588	# TODO: safety, remove and allow resettable per-player maps	2202	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	2203	return 1e99 if $self->{deny_reset};
1591		2204
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2205	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2206	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		2207
…		…
1605	my ($self) = @_;	2218	my ($self) = @_;
1606		2219
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2220	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2221
1609	return if $self->players;	2222	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2223
1612	warn "resetting map ", $self->path;#d#	2224	warn "resetting map ", $self->path;
1613		2225
1614	$self->in_memory (cf::MAP_SWAPPED);	2226	$self->in_memory (cf::MAP_SWAPPED);
1615		2227
1616	# need to save uniques path	2228	# need to save uniques path
1617	unless ($self->{deny_save}) {	2229	unless ($self->{deny_save}) {
…		…
1621	if $uniq;	2233	if $uniq;
1622	}	2234	}
1623		2235
1624	delete $cf::MAP{$self->path};	2236	delete $cf::MAP{$self->path};
1625		2237
		2238	$self->deactivate;
		2239	$_->clear_links_to ($self) for values %cf::MAP;
1626	$self->clear;	2240	$self->clear;
1627
1628	$_->clear_links_to ($self) for values %cf::MAP;
1629		2241
1630	$self->unlink_save;	2242	$self->unlink_save;
1631	$self->destroy;	2243	$self->destroy;
1632	}	2244	}
1633		2245
1634	my $nuke_counter = "aaaa";	2246	my $nuke_counter = "aaaa";
1635		2247
1636	sub nuke {	2248	sub nuke {
1637	my ($self) = @_;	2249	my ($self) = @_;
1638		2250
		2251	{
		2252	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2253
1639	delete $cf::MAP{$self->path};	2254	delete $cf::MAP{$self->path};
1640		2255
1641	$self->unlink_save;	2256	$self->unlink_save;
1642		2257
1643	bless $self, "cf::map";	2258	bless $self, "cf::map";
1644	delete $self->{deny_reset};	2259	delete $self->{deny_reset};
1645	$self->{deny_save} = 1;	2260	$self->{deny_save} = 1;
1646	$self->reset_timeout (1);	2261	$self->reset_timeout (1);
1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2262	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1648		2263
1649	$cf::MAP{$self->path} = $self;	2264	$cf::MAP{$self->path} = $self;
		2265	}
1650		2266
1651	$self->reset; # polite request, might not happen	2267	$self->reset; # polite request, might not happen
		2268	}
		2269
		2270	=item $maps = cf::map::tmp_maps
		2271
		2272	Returns an arrayref with all map paths of currently instantiated and saved
		2273	maps. May block.
		2274
		2275	=cut
		2276
		2277	sub tmp_maps() {
		2278	[
		2279	map {
		2280	utf8::decode $_;
		2281	/\.map$/
		2282	? normalise $_
		2283	: ()
		2284	} @{ aio_readdir $TMPDIR or [] }
		2285	]
		2286	}
		2287
		2288	=item $maps = cf::map::random_maps
		2289
		2290	Returns an arrayref with all map paths of currently instantiated and saved
		2291	random maps. May block.
		2292
		2293	=cut
		2294
		2295	sub random_maps() {
		2296	[
		2297	map {
		2298	utf8::decode $_;
		2299	/\.map$/
		2300	? normalise "?random/$_"
		2301	: ()
		2302	} @{ aio_readdir $RANDOMDIR or [] }
		2303	]
1652	}	2304	}
1653		2305
1654	=item cf::map::unique_maps	2306	=item cf::map::unique_maps
1655		2307
1656	Returns an arrayref of paths of all shared maps that have	2308	Returns an arrayref of paths of all shared maps that have
1657	instantiated unique items. May block.	2309	instantiated unique items. May block.
1658		2310
1659	=cut	2311	=cut
1660		2312
1661	sub unique_maps() {	2313	sub unique_maps() {
1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2314	[
1663	or return;	2315	map {
1664
1665	my @paths;
1666
1667	for (@$files) {
1668	utf8::decode $_;	2316	utf8::decode $_;
1669	next if /\.pst$/;	2317	s/\.map$//; # TODO future compatibility hack
1670	next unless /^$PATH_SEP/o;	2318	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1671		2319	? ()
1672	push @paths, cf::map::normalise $_;	2320	: normalise $_
		2321	} @{ aio_readdir $UNIQUEDIR or [] }
1673	}	2322	]
1674
1675	\@paths
1676	}	2323	}
1677
1678	package cf;
1679		2324
1680	=back	2325	=back
1681		2326
1682	=head3 cf::object	2327	=head3 cf::object
1683		2328
…		…
1687		2332
1688	=over 4	2333	=over 4
1689		2334
1690	=item $ob->inv_recursive	2335	=item $ob->inv_recursive
1691		2336
1692	Returns the inventory of the object _and_ their inventories, recursively.	2337	Returns the inventory of the object I<and> their inventories, recursively,
		2338	but I<not> the object itself.
1693		2339
1694	=cut	2340	=cut
1695		2341
1696	sub inv_recursive_;	2342	sub inv_recursive_;
1697	sub inv_recursive_ {	2343	sub inv_recursive_ {
…		…
1700		2346
1701	sub inv_recursive {	2347	sub inv_recursive {
1702	inv_recursive_ inv $_[0]	2348	inv_recursive_ inv $_[0]
1703	}	2349	}
1704		2350
		2351	=item $ref = $ob->ref
		2352
		2353	Creates and returns a persistent reference to an object that can be stored as a string.
		2354
		2355	=item $ob = cf::object::deref ($refstring)
		2356
		2357	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2358	even if the object actually exists. May block.
		2359
		2360	=cut
		2361
		2362	sub deref {
		2363	my ($ref) = @_;
		2364
		2365	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2366	my ($uuid, $name) = ($1, $2);
		2367	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2368	or return;
		2369	$pl->ob->uuid eq $uuid
		2370	or return;
		2371
		2372	$pl->ob
		2373	} else {
		2374	warn "$ref: cannot resolve object reference\n";
		2375	undef
		2376	}
		2377	}
		2378
1705	package cf;	2379	package cf;
1706		2380
1707	=back	2381	=back
1708		2382
1709	=head3 cf::object::player	2383	=head3 cf::object::player
…		…
1715	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2389	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1716	can be C<undef>. Does the right thing when the player is currently in a	2390	can be C<undef>. Does the right thing when the player is currently in a
1717	dialogue with the given NPC character.	2391	dialogue with the given NPC character.
1718		2392
1719	=cut	2393	=cut
		2394
		2395	our $SAY_CHANNEL = {
		2396	id => "say",
		2397	title => "Map",
		2398	reply => "say ",
		2399	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2400	};
		2401
		2402	our $CHAT_CHANNEL = {
		2403	id => "chat",
		2404	title => "Chat",
		2405	reply => "chat ",
		2406	tooltip => "Player chat and shouts, global to the server.",
		2407	};
1720		2408
1721	# rough implementation of a future "reply" method that works	2409	# rough implementation of a future "reply" method that works
1722	# with dialog boxes.	2410	# with dialog boxes.
1723	#TODO: the first argument must go, split into a $npc->reply_to ( method	2411	#TODO: the first argument must go, split into a $npc->reply_to ( method
1724	sub cf::object::player::reply($$$;$) {	2412	sub cf::object::player::reply($$$;$) {
…		…
1726		2414
1727	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2415	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1728		2416
1729	if ($self->{record_replies}) {	2417	if ($self->{record_replies}) {
1730	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2418	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2419
1731	} else {	2420	} else {
		2421	my $pl = $self->contr;
		2422
		2423	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2424	my $dialog = $pl->{npc_dialog};
		2425	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2426
		2427	} else {
1732	$msg = $npc->name . " says: $msg" if $npc;	2428	$msg = $npc->name . " says: $msg" if $npc;
1733	$self->message ($msg, $flags);	2429	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2430	}
1734	}	2431	}
		2432	}
		2433
		2434	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2435
		2436	=cut
		2437
		2438	sub cf::object::send_msg {
		2439	my $pl = shift->contr
		2440	or return;
		2441	$pl->send_msg (@_);
1735	}	2442	}
1736		2443
1737	=item $player_object->may ("access")	2444	=item $player_object->may ("access")
1738		2445
1739	Returns wether the given player is authorized to access resource "access"	2446	Returns wether the given player is authorized to access resource "access"
…		…
1752		2459
1753	=item $player_object->enter_link	2460	=item $player_object->enter_link
1754		2461
1755	Freezes the player and moves him/her to a special map (C<{link}>).	2462	Freezes the player and moves him/her to a special map (C<{link}>).
1756		2463
1757	The player should be reasonably safe there for short amounts of time. You	2464	The player should be reasonably safe there for short amounts of time (e.g.
1758	I<MUST> call C<leave_link> as soon as possible, though.	2465	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2466	though, as the palyer cannot control the character while it is on the link
		2467	map.
1759		2468
1760	Will never block.	2469	Will never block.
1761		2470
1762	=item $player_object->leave_link ($map, $x, $y)	2471	=item $player_object->leave_link ($map, $x, $y)
1763		2472
…		…
1786	$self->deactivate_recursive;	2495	$self->deactivate_recursive;
1787		2496
1788	return if UNIVERSAL::isa $self->map, "ext::map_link";	2497	return if UNIVERSAL::isa $self->map, "ext::map_link";
1789		2498
1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2499	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791	if $self->map;	2500	if $self->map && $self->map->{path} ne "{link}";
1792		2501
1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2502	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1794	}	2503	}
1795		2504
1796	sub cf::object::player::leave_link {	2505	sub cf::object::player::leave_link {
1797	my ($self, $map, $x, $y) = @_;	2506	my ($self, $map, $x, $y) = @_;
		2507
		2508	return unless $self->contr->active;
1798		2509
1799	my $link_pos = delete $self->{_link_pos};	2510	my $link_pos = delete $self->{_link_pos};
1800		2511
1801	unless ($map) {	2512	unless ($map) {
1802	# restore original map position	2513	# restore original map position
…		…
1816	# use -1 or undef as default coordinates, not 0, 0	2527	# use -1 or undef as default coordinates, not 0, 0
1817	($x, $y) = ($map->enter_x, $map->enter_y)	2528	($x, $y) = ($map->enter_x, $map->enter_y)
1818	if $x <=0 && $y <= 0;	2529	if $x <=0 && $y <= 0;
1819		2530
1820	$map->load;	2531	$map->load;
1821	$map->load_diag;	2532	$map->load_neighbours;
1822		2533
1823	return unless $self->contr->active;	2534	return unless $self->contr->active;
		2535	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1824	$self->activate_recursive;	2536	$self->activate_recursive;
		2537
		2538	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1825	$self->enter_map ($map, $x, $y);	2539	$self->enter_map ($map, $x, $y);
1826	}	2540	}
1827		2541
1828	cf::player->attach (	2542	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1829	on_logout => sub {
1830	my ($pl) = @_;
1831		2543
1832	# abort map switching before logout	2544	Moves the player to the given map-path and coordinates by first freezing
1833	if ($pl->ob->{_link_pos}) {	2545	her, loading and preparing them map, calling the provided $check callback
1834	cf::sync_job {	2546	that has to return the map if sucecssful, and then unfreezes the player on
1835	$pl->ob->leave_link	2547	the new (success) or old (failed) map position. In either case, $done will
1836	};	2548	be called at the end of this process.
1837	}
1838	},
1839	on_login => sub {
1840	my ($pl) = @_;
1841		2549
1842	# try to abort aborted map switching on player login :)	2550	Note that $check will be called with a potentially non-loaded map, so if
1843	# should happen only on crashes	2551	it needs a loaded map it has to call C<< ->load >>.
1844	if ($pl->ob->{_link_pos}) {
1845	$pl->ob->enter_link;
1846	(async {
1847	# we need this sleep as the login has a concurrent enter_exit running
1848	# and this sleep increases chances of the player not ending up in scorn
1849	$pl->ob->reply (undef,
1850	"There was an internal problem at your last logout, "
1851	. "the server will try to bring you to your intended destination in a second.",
1852	cf::NDI_RED);
1853	Coro::Timer::sleep 1;
1854	$pl->ob->leave_link;
1855	})->prio (2);
1856	}
1857	},
1858	);
1859		2552
1860	=item $player_object->goto ($path, $x, $y)
1861
1862	=cut	2553	=cut
		2554
		2555	our $GOTOGEN;
1863		2556
1864	sub cf::object::player::goto {	2557	sub cf::object::player::goto {
1865	my ($self, $path, $x, $y) = @_;	2558	my ($self, $path, $x, $y, $check, $done) = @_;
		2559
		2560	# do generation counting so two concurrent goto's will be executed in-order
		2561	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1866		2562
1867	$self->enter_link;	2563	$self->enter_link;
1868		2564
1869	(async {	2565	(async {
		2566	$Coro::current->{desc} = "player::goto $path $x $y";
		2567
		2568	# *tag paths override both path and x|y
		2569	if ($path =~ /^\*(.*)$/) {
		2570	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2571	my $ob = $obs[rand @obs];
		2572
		2573	# see if we actually can go there
		2574	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2575	$ob = $obs[rand @obs];
		2576	} else {
		2577	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2578	}
		2579	# else put us there anyways for now #d#
		2580
		2581	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2582	} else {
		2583	($path, $x, $y) = (undef, undef, undef);
		2584	}
		2585	}
		2586
1870	my $map = eval {	2587	my $map = eval {
1871	my $map = cf::map::find $path;	2588	my $map = defined $path ? cf::map::find $path : undef;
		2589
		2590	if ($map) {
1872	$map = $map->customise_for ($self) if $map;	2591	$map = $map->customise_for ($self);
		2592	$map = $check->($map) if $check && $map;
		2593	} else {
		2594	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2595	}
		2596
1873	$map	2597	$map
		2598	};
		2599
		2600	if ($@) {
		2601	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2602	LOG llevError | logBacktrace, Carp::longmess $@;
1874	} or	2603	}
1875	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1876		2604
		2605	if ($gen == $self->{_goto_generation}) {
		2606	delete $self->{_goto_generation};
1877	$self->leave_link ($map, $x, $y);	2607	$self->leave_link ($map, $x, $y);
		2608	}
		2609
		2610	$done->() if $done;
1878	})->prio (1);	2611	})->prio (1);
1879	}	2612	}
1880		2613
1881	=item $player_object->enter_exit ($exit_object)	2614	=item $player_object->enter_exit ($exit_object)
1882		2615
…		…
1902	}	2635	}
1903		2636
1904	sub prepare_random_map {	2637	sub prepare_random_map {
1905	my ($exit) = @_;	2638	my ($exit) = @_;
1906		2639
1907	my $guard = cf::lock_acquire "exit_prepare:$exit";
1908
1909	# all this does is basically replace the /! path by	2640	# all this does is basically replace the /! path by
1910	# a new random map path (?random/...) with a seed	2641	# a new random map path (?random/...) with a seed
1911	# that depends on the exit object	2642	# that depends on the exit object
1912		2643
1913	my $rmp = parse_random_map_params $exit->msg;	2644	my $rmp = parse_random_map_params $exit->msg;
…		…
1915	if ($exit->map) {	2646	if ($exit->map) {
1916	$rmp->{region} = $exit->region->name;	2647	$rmp->{region} = $exit->region->name;
1917	$rmp->{origin_map} = $exit->map->path;	2648	$rmp->{origin_map} = $exit->map->path;
1918	$rmp->{origin_x} = $exit->x;	2649	$rmp->{origin_x} = $exit->x;
1919	$rmp->{origin_y} = $exit->y;	2650	$rmp->{origin_y} = $exit->y;
		2651
		2652	$exit->map->touch;
1920	}	2653	}
1921		2654
1922	$rmp->{random_seed} ||= $exit->random_seed;	2655	$rmp->{random_seed} ||= $exit->random_seed;
1923		2656
1924	my $data = cf::to_json $rmp;	2657	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1925	my $md5 = Digest::MD5::md5_hex $data;	2658	my $md5 = Digest::MD5::md5_hex $data;
1926	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2659	my $meta = "$RANDOMDIR/$md5.meta";
1927		2660
1928	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2661	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1929	aio_write $fh, 0, (length $data), $data, 0;	2662	aio_write $fh, 0, (length $data), $data, 0;
1930	undef $fh;	2663	undef $fh;
1931	aio_rename "$meta~", $meta;	2664	aio_rename "$meta~", $meta;
1932		2665
		2666	my $slaying = "?random/$md5";
		2667
		2668	if ($exit->valid) {
1933	$exit->slaying ("?random/$md5");	2669	$exit->slaying ("?random/$md5");
1934	$exit->msg (undef);	2670	$exit->msg (undef);
		2671	}
1935	}	2672	}
1936	}	2673	}
1937		2674
1938	sub cf::object::player::enter_exit {	2675	sub cf::object::player::enter_exit {
1939	my ($self, $exit) = @_;	2676	my ($self, $exit) = @_;
1940		2677
1941	return unless $self->type == cf::PLAYER;	2678	return unless $self->type == cf::PLAYER;
1942		2679
1943	if ($exit->slaying eq "/!") {
1944	#TODO: this should de-fi-ni-te-ly not be a sync-job
1945	cf::sync_job { prepare_random_map $exit };
1946	}
1947
1948	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1949	my $hp = $exit->stats->hp;
1950	my $sp = $exit->stats->sp;
1951
1952	$self->enter_link;	2680	$self->enter_link;
1953		2681
1954	(async {	2682	(async {
1955	$self->deactivate_recursive; # just to be sure	2683	$Coro::current->{desc} = "enter_exit";
		2684
1956	unless (eval {	2685	unless (eval {
		2686	$self->deactivate_recursive; # just to be sure
		2687
		2688	# random map handling
		2689	{
		2690	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2691
		2692	prepare_random_map $exit
		2693	if $exit->slaying eq "/!";
		2694	}
		2695
		2696	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2697	my $x = $exit->stats->hp;
		2698	my $y = $exit->stats->sp;
		2699
1957	$self->goto ($slaying, $hp, $sp);	2700	$self->goto ($map, $x, $y);
1958		2701
		2702	# if exit is damned, update players death & WoR home-position
		2703	$self->contr->savebed ($map, $x, $y)
		2704	if $exit->flag (cf::FLAG_DAMNED);
		2705
1959	1;	2706	1
1960	}) {	2707	}) {
1961	$self->message ("Something went wrong deep within the crossfire server. "	2708	$self->message ("Something went wrong deep within the deliantra server. "
1962	. "I'll try to bring you back to the map you were before. "	2709	. "I'll try to bring you back to the map you were before. "
1963	. "Please report this to the dungeon master!",	2710	. "Please report this to the dungeon master!",
1964	cf::NDI_UNIQUE | cf::NDI_RED);	2711	cf::NDI_UNIQUE | cf::NDI_RED);
1965		2712
1966	warn "ERROR in enter_exit: $@";	2713	warn "ERROR in enter_exit: $@";
1967	$self->leave_link;	2714	$self->leave_link;
1968	}	2715	}
1969	})->prio (1);	2716	})->prio (1);
…		…
1982		2729
1983	sub cf::client::send_drawinfo {	2730	sub cf::client::send_drawinfo {
1984	my ($self, $text, $flags) = @_;	2731	my ($self, $text, $flags) = @_;
1985		2732
1986	utf8::encode $text;	2733	utf8::encode $text;
1987	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2734	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1988	}	2735	}
1989		2736
		2737	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2738
		2739	Send a drawinfo or msg packet to the client, formatting the msg for the
		2740	client if neccessary. C<$type> should be a string identifying the type of
		2741	the message, with C<log> being the default. If C<$color> is negative, suppress
		2742	the message unless the client supports the msg packet.
		2743
		2744	=cut
		2745
		2746	# non-persistent channels (usually the info channel)
		2747	our %CHANNEL = (
		2748	"c/identify" => {
		2749	id => "infobox",
		2750	title => "Identify",
		2751	reply => undef,
		2752	tooltip => "Items recently identified",
		2753	},
		2754	"c/examine" => {
		2755	id => "infobox",
		2756	title => "Examine",
		2757	reply => undef,
		2758	tooltip => "Signs and other items you examined",
		2759	},
		2760	"c/book" => {
		2761	id => "infobox",
		2762	title => "Book",
		2763	reply => undef,
		2764	tooltip => "The contents of a note or book",
		2765	},
		2766	"c/lookat" => {
		2767	id => "infobox",
		2768	title => "Look",
		2769	reply => undef,
		2770	tooltip => "What you saw there",
		2771	},
		2772	"c/who" => {
		2773	id => "infobox",
		2774	title => "Players",
		2775	reply => undef,
		2776	tooltip => "Shows players who are currently online",
		2777	},
		2778	"c/body" => {
		2779	id => "infobox",
		2780	title => "Body Parts",
		2781	reply => undef,
		2782	tooltip => "Shows which body parts you posess and are available",
		2783	},
		2784	"c/statistics" => {
		2785	id => "infobox",
		2786	title => "Statistics",
		2787	reply => undef,
		2788	tooltip => "Shows your primary statistics",
		2789	},
		2790	"c/skills" => {
		2791	id => "infobox",
		2792	title => "Skills",
		2793	reply => undef,
		2794	tooltip => "Shows your experience per skill and item power",
		2795	},
		2796	"c/shopitems" => {
		2797	id => "infobox",
		2798	title => "Shop Items",
		2799	reply => undef,
		2800	tooltip => "Shows the items currently for sale in this shop",
		2801	},
		2802	"c/resistances" => {
		2803	id => "infobox",
		2804	title => "Resistances",
		2805	reply => undef,
		2806	tooltip => "Shows your resistances",
		2807	},
		2808	"c/pets" => {
		2809	id => "infobox",
		2810	title => "Pets",
		2811	reply => undef,
		2812	tooltip => "Shows information abotu your pets/a specific pet",
		2813	},
		2814	"c/perceiveself" => {
		2815	id => "infobox",
		2816	title => "Perceive Self",
		2817	reply => undef,
		2818	tooltip => "You gained detailed knowledge about yourself",
		2819	},
		2820	"c/uptime" => {
		2821	id => "infobox",
		2822	title => "Uptime",
		2823	reply => undef,
		2824	tooltip => "How long the server has been running since last restart",
		2825	},
		2826	"c/mapinfo" => {
		2827	id => "infobox",
		2828	title => "Map Info",
		2829	reply => undef,
		2830	tooltip => "Information related to the maps",
		2831	},
		2832	"c/party" => {
		2833	id => "party",
		2834	title => "Party",
		2835	reply => "gsay ",
		2836	tooltip => "Messages and chat related to your party",
		2837	},
		2838	"c/death" => {
		2839	id => "death",
		2840	title => "Death",
		2841	reply => undef,
		2842	tooltip => "Reason for and more info about your most recent death",
		2843	},
		2844	"c/say" => $SAY_CHANNEL,
		2845	"c/chat" => $CHAT_CHANNEL,
		2846	);
		2847
		2848	sub cf::client::send_msg {
		2849	my ($self, $channel, $msg, $color, @extra) = @_;
		2850
		2851	$msg = $self->pl->expand_cfpod ($msg)
		2852	unless $color & cf::NDI_VERBATIM;
		2853
		2854	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2855
		2856	# check predefined channels, for the benefit of C
		2857	if ($CHANNEL{$channel}) {
		2858	$channel = $CHANNEL{$channel};
		2859
		2860	$self->ext_msg (channel_info => $channel);
		2861	$channel = $channel->{id};
		2862
		2863	} elsif (ref $channel) {
		2864	# send meta info to client, if not yet sent
		2865	unless (exists $self->{channel}{$channel->{id}}) {
		2866	$self->{channel}{$channel->{id}} = $channel;
		2867	$self->ext_msg (channel_info => $channel);
		2868	}
		2869
		2870	$channel = $channel->{id};
		2871	}
		2872
		2873	return unless @extra || length $msg;
		2874
		2875	# default colour, mask it out
		2876	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2877	if $color & cf::NDI_DEF;
		2878
		2879	my $pkt = "msg "
		2880	. $self->{json_coder}->encode (
		2881	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2882	);
		2883
		2884	# try lzf for large packets
		2885	$pkt = "lzf " . Compress::LZF::compress $pkt
		2886	if 1024 <= length $pkt and $self->{can_lzf};
		2887
		2888	# split very large packets
		2889	if (8192 < length $pkt and $self->{can_lzf}) {
		2890	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2891	$pkt = "frag";
		2892	}
		2893
		2894	$self->send_packet ($pkt);
		2895	}
		2896
		2897	=item $client->ext_msg ($type, @msg)
		2898
		2899	Sends an ext event to the client.
		2900
		2901	=cut
		2902
		2903	sub cf::client::ext_msg($$@) {
		2904	my ($self, $type, @msg) = @_;
		2905
		2906	if ($self->extcmd == 2) {
		2907	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2908	} elsif ($self->extcmd == 1) { # TODO: remove
		2909	push @msg, msgtype => "event_$type";
		2910	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2911	}
		2912	}
		2913
		2914	=item $client->ext_reply ($msgid, @msg)
		2915
		2916	Sends an ext reply to the client.
		2917
		2918	=cut
		2919
		2920	sub cf::client::ext_reply($$@) {
		2921	my ($self, $id, @msg) = @_;
		2922
		2923	if ($self->extcmd == 2) {
		2924	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2925	} elsif ($self->extcmd == 1) {
		2926	#TODO: version 1, remove
		2927	unshift @msg, msgtype => "reply", msgid => $id;
		2928	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2929	}
		2930	}
1990		2931
1991	=item $success = $client->query ($flags, "text", \&cb)	2932	=item $success = $client->query ($flags, "text", \&cb)
1992		2933
1993	Queues a query to the client, calling the given callback with	2934	Queues a query to the client, calling the given callback with
1994	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2935	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1995	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2936	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1996		2937
1997	Queries can fail, so check the return code. Or don't, as queries will become	2938	Queries can fail, so check the return code. Or don't, as queries will
1998	reliable at some point in the future.	2939	become reliable at some point in the future.
1999		2940
2000	=cut	2941	=cut
2001		2942
2002	sub cf::client::query {	2943	sub cf::client::query {
2003	my ($self, $flags, $text, $cb) = @_;	2944	my ($self, $flags, $text, $cb) = @_;
…		…
2011	utf8::encode $text;	2952	utf8::encode $text;
2012	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2953	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2013		2954
2014	$self->send_packet ($self->{query_queue}[0][0])	2955	$self->send_packet ($self->{query_queue}[0][0])
2015	if @{ $self->{query_queue} } == 1;	2956	if @{ $self->{query_queue} } == 1;
		2957
		2958	1
2016	}	2959	}
2017		2960
2018	cf::client->attach (	2961	cf::client->attach (
		2962	on_connect => sub {
		2963	my ($ns) = @_;
		2964
		2965	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2966	},
2019	on_reply => sub {	2967	on_reply => sub {
2020	my ($ns, $msg) = @_;	2968	my ($ns, $msg) = @_;
2021		2969
2022	# this weird shuffling is so that direct followup queries	2970	# this weird shuffling is so that direct followup queries
2023	# get handled first	2971	# get handled first
…		…
2035	} else {	2983	} else {
2036	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2984	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2037	}	2985	}
2038	}	2986	}
2039	},	2987	},
		2988	on_exticmd => sub {
		2989	my ($ns, $buf) = @_;
		2990
		2991	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2992
		2993	if (ref $msg) {
		2994	my ($type, $reply, @payload) =
		2995	"ARRAY" eq ref $msg
		2996	? @$msg
		2997	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2998
		2999	my @reply;
		3000
		3001	if (my $cb = $EXTICMD{$type}) {
		3002	@reply = $cb->($ns, @payload);
		3003	}
		3004
		3005	$ns->ext_reply ($reply, @reply)
		3006	if $reply;
		3007
		3008	} else {
		3009	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3010	}
		3011
		3012	cf::override;
		3013	},
2040	);	3014	);
2041		3015
2042	=item $client->async (\&cb)	3016	=item $client->async (\&cb)
2043		3017
2044	Create a new coroutine, running the specified callback. The coroutine will	3018	Create a new coroutine, running the specified callback. The coroutine will
…		…
2085	our $safe = new Safe "safe";	3059	our $safe = new Safe "safe";
2086	our $safe_hole = new Safe::Hole;	3060	our $safe_hole = new Safe::Hole;
2087		3061
2088	$SIG{FPE} = 'IGNORE';	3062	$SIG{FPE} = 'IGNORE';
2089		3063
2090	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3064	$safe->permit_only (Opcode::opset qw(
		3065	:base_core :base_mem :base_orig :base_math
		3066	grepstart grepwhile mapstart mapwhile
		3067	sort time
		3068	));
2091		3069
2092	# here we export the classes and methods available to script code	3070	# here we export the classes and methods available to script code
2093		3071
2094	=pod	3072	=pod
2095		3073
2096	The following fucntions and emthods are available within a safe environment:	3074	The following functions and methods are available within a safe environment:
2097		3075
2098	cf::object contr pay_amount pay_player map	3076	cf::object
		3077	contr pay_amount pay_player map x y force_find force_add destroy
		3078	insert remove name archname title slaying race decrease split
		3079	value
		3080
2099	cf::object::player player	3081	cf::object::player
2100	cf::player peaceful	3082	player
2101	cf::map trigger	3083
		3084	cf::player
		3085	peaceful
		3086
		3087	cf::map
		3088	trigger
2102		3089
2103	=cut	3090	=cut
2104		3091
2105	for (	3092	for (
2106	["cf::object" => qw(contr pay_amount pay_player map)],	3093	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3094	insert remove inv nrof name archname title slaying race
		3095	decrease split destroy change_exp value msg lore send_msg)],
2107	["cf::object::player" => qw(player)],	3096	["cf::object::player" => qw(player)],
2108	["cf::player" => qw(peaceful)],	3097	["cf::player" => qw(peaceful send_msg)],
2109	["cf::map" => qw(trigger)],	3098	["cf::map" => qw(trigger)],
2110	) {	3099	) {
2111	no strict 'refs';	3100	no strict 'refs';
2112	my ($pkg, @funs) = @$_;	3101	my ($pkg, @funs) = @$_;
2113	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3102	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2130	my ($code, %vars) = @_;	3119	my ($code, %vars) = @_;
2131		3120
2132	my $qcode = $code;	3121	my $qcode = $code;
2133	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3122	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2134	$qcode =~ s/\n/\\n/g;	3123	$qcode =~ s/\n/\\n/g;
		3124
		3125	%vars = (_dummy => 0) unless %vars;
2135		3126
2136	local $_;	3127	local $_;
2137	local @safe::cf::_safe_eval_args = values %vars;	3128	local @safe::cf::_safe_eval_args = values %vars;
2138		3129
2139	my $eval =	3130	my $eval =
…		…
2182	=back	3173	=back
2183		3174
2184	=cut	3175	=cut
2185		3176
2186	#############################################################################	3177	#############################################################################
2187
2188	=head2 EXTENSION DATABASE SUPPORT
2189
2190	Crossfire maintains a very simple database for extension use. It can
2191	currently store anything that can be serialised using Storable, which
2192	excludes objects.
2193
2194	The parameter C<$family> should best start with the name of the extension
2195	using it, it should be unique.
2196
2197	=over 4
2198
2199	=item $value = cf::db_get $family => $key
2200
2201	Returns a single value from the database.
2202
2203	=item cf::db_put $family => $key => $value
2204
2205	Stores the given C<$value> in the family.
2206
2207	=cut
2208
2209	our $DB;
2210
2211	sub db_init {
2212	unless ($DB) {
2213	$DB = BDB::db_create $DB_ENV;
2214
2215	cf::sync_job {
2216	eval {
2217	$DB->set_flags (BDB::CHKSUM);
2218
2219	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2220	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2221	cf::cleanup "db_open(db): $!" if $!;
2222	};
2223	cf::cleanup "db_open(db): $@" if $@;
2224	};
2225
2226	my $path = cf::localdir . "/database.pst";
2227	if (stat $path) {
2228	cf::sync_job {
2229	my $pst = Storable::retrieve $path;
2230
2231	cf::db_put (board => data => $pst->{board});
2232	cf::db_put (guildrules => data => $pst->{guildrules});
2233	cf::db_put (rent => balance => $pst->{rent}{balance});
2234	BDB::db_env_txn_checkpoint $DB_ENV;
2235
2236	unlink $path;
2237	};
2238	}
2239	}
2240	}
2241
2242	sub db_get($$) {
2243	my $key = "$_[0]/$_[1]";
2244
2245	cf::sync_job {
2246	BDB::db_get $DB, undef, $key, my $data;
2247
2248	$! ? ()
2249	: Compress::LZF::sthaw $data
2250	}
2251	}
2252
2253	sub db_put($$$) {
2254	BDB::dbreq_pri 4;
2255	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2256	}
2257
2258	#############################################################################
2259	# the server's init and main functions	3178	# the server's init and main functions
2260		3179
		3180	sub load_facedata($) {
		3181	my ($path) = @_;
		3182
		3183	# HACK to clear player env face cache, we need some signal framework
		3184	# for this (global event?)
		3185	%ext::player_env::MUSIC_FACE_CACHE = ();
		3186
		3187	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3188
		3189	warn "loading facedata from $path\n";
		3190
		3191	my $facedata;
		3192	0 < aio_load $path, $facedata
		3193	or die "$path: $!";
		3194
		3195	$facedata = Coro::Storable::thaw $facedata;
		3196
		3197	$facedata->{version} == 2
		3198	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3199
		3200	# patch in the exptable
		3201	$facedata->{resource}{"res/exp_table"} = {
		3202	type => FT_RSRC,
		3203	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3204	};
		3205	cf::cede_to_tick;
		3206
		3207	{
		3208	my $faces = $facedata->{faceinfo};
		3209
		3210	while (my ($face, $info) = each %$faces) {
		3211	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3212
		3213	cf::face::set_visibility $idx, $info->{visibility};
		3214	cf::face::set_magicmap $idx, $info->{magicmap};
		3215	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3216	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3217
		3218	cf::cede_to_tick;
		3219	}
		3220
		3221	while (my ($face, $info) = each %$faces) {
		3222	next unless $info->{smooth};
		3223
		3224	my $idx = cf::face::find $face
		3225	or next;
		3226
		3227	if (my $smooth = cf::face::find $info->{smooth}) {
		3228	cf::face::set_smooth $idx, $smooth;
		3229	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3230	} else {
		3231	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3232	}
		3233
		3234	cf::cede_to_tick;
		3235	}
		3236	}
		3237
		3238	{
		3239	my $anims = $facedata->{animinfo};
		3240
		3241	while (my ($anim, $info) = each %$anims) {
		3242	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3243	cf::cede_to_tick;
		3244	}
		3245
		3246	cf::anim::invalidate_all; # d'oh
		3247	}
		3248
		3249	{
		3250	# TODO: for gcfclient pleasure, we should give resources
		3251	# that gcfclient doesn't grok a >10000 face index.
		3252	my $res = $facedata->{resource};
		3253
		3254	while (my ($name, $info) = each %$res) {
		3255	if (defined $info->{type}) {
		3256	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3257	my $data;
		3258
		3259	if ($info->{type} & 1) {
		3260	# prepend meta info
		3261
		3262	my $meta = $enc->encode ({
		3263	name => $name,
		3264	%{ $info->{meta} || {} },
		3265	});
		3266
		3267	$data = pack "(w/a*)*", $meta, $info->{data};
		3268	} else {
		3269	$data = $info->{data};
		3270	}
		3271
		3272	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3273	cf::face::set_type $idx, $info->{type};
		3274	} else {
		3275	$RESOURCE{$name} = $info;
		3276	}
		3277
		3278	cf::cede_to_tick;
		3279	}
		3280	}
		3281
		3282	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3283
		3284	1
		3285	}
		3286
		3287	cf::global->attach (on_resource_update => sub {
		3288	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3289	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3290
		3291	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3292	my $sound = $soundconf->{compat}[$_]
		3293	or next;
		3294
		3295	my $face = cf::face::find "sound/$sound->[1]";
		3296	cf::sound::set $sound->[0] => $face;
		3297	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3298	}
		3299
		3300	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3301	my $face = cf::face::find "sound/$v";
		3302	cf::sound::set $k => $face;
		3303	}
		3304	}
		3305	});
		3306
		3307	register_exticmd fx_want => sub {
		3308	my ($ns, $want) = @_;
		3309
		3310	while (my ($k, $v) = each %$want) {
		3311	$ns->fx_want ($k, $v);
		3312	}
		3313	};
		3314
2261	sub load_resources {	3315	sub load_resource_file($) {
2262	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3316	my $guard = lock_acquire "load_resource_file";
		3317
		3318	my $status = load_resource_file_ $_[0];
		3319	get_slot 0.1, 100;
		3320	cf::arch::commit_load;
		3321
		3322	$status
		3323	}
		3324
		3325	sub reload_regions {
		3326	# HACK to clear player env face cache, we need some signal framework
		3327	# for this (global event?)
		3328	%ext::player_env::MUSIC_FACE_CACHE = ();
		3329
		3330	load_resource_file "$MAPDIR/regions"
2263	or die "unable to load regions file\n";#d#	3331	or die "unable to load regions file\n";
2264	}
2265		3332
2266	sub cfg_load {	3333	for (cf::region::list) {
		3334	$_->{match} = qr/$_->{match}/
		3335	if exists $_->{match};
		3336	}
		3337	}
		3338
		3339	sub reload_facedata {
		3340	load_facedata "$DATADIR/facedata"
		3341	or die "unable to load facedata\n";
		3342	}
		3343
		3344	sub reload_archetypes {
		3345	load_resource_file "$DATADIR/archetypes"
		3346	or die "unable to load archetypes\n";
		3347	}
		3348
		3349	sub reload_treasures {
		3350	load_resource_file "$DATADIR/treasures"
		3351	or die "unable to load treasurelists\n";
		3352	}
		3353
		3354	sub reload_resources {
		3355	warn "reloading resource files...\n";
		3356
		3357	reload_facedata;
		3358	reload_archetypes;
		3359	reload_regions;
		3360	reload_treasures;
		3361
		3362	warn "finished reloading resource files\n";
		3363	}
		3364
		3365	sub reload_config {
2267	open my $fh, "<:utf8", cf::confdir . "/config"	3366	open my $fh, "<:utf8", "$CONFDIR/config"
2268	or return;	3367	or return;
2269		3368
2270	local $/;	3369	local $/;
2271	*CFG = YAML::Syck::Load <$fh>;	3370	*CFG = YAML::Load <$fh>;
2272		3371
2273	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3372	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2274		3373
2275	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3374	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2276	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3375	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2282	};	3381	};
2283	warn $@ if $@;	3382	warn $@ if $@;
2284	}	3383	}
2285	}	3384	}
2286		3385
2287	sub init {	3386	sub pidfile() {
2288	load_resources;	3387	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3388	or die "$PIDFILE: $!";
		3389	flock $fh, &Fcntl::LOCK_EX
		3390	or die "$PIDFILE: flock: $!";
		3391	$fh
		3392	}
		3393
		3394	# make sure only one server instance is running at any one time
		3395	sub atomic {
		3396	my $fh = pidfile;
		3397
		3398	my $pid = <$fh>;
		3399	kill 9, $pid if $pid > 0;
		3400
		3401	seek $fh, 0, 0;
		3402	print $fh $$;
2289	}	3403	}
2290		3404
2291	sub main {	3405	sub main {
		3406	cf::init_globals; # initialise logging
		3407
		3408	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3409	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3410	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3411	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3412
		3413	cf::init_experience;
		3414	cf::init_anim;
		3415	cf::init_attackmess;
		3416	cf::init_dynamic;
		3417
		3418	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3419
2292	# we must not ever block the main coroutine	3420	# we must not ever block the main coroutine
2293	local $Coro::idle = sub {	3421	local $Coro::idle = sub {
2294	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3422	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2295	(async {	3423	(async {
2296	Event::one_event;	3424	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3425	EV::loop EV::LOOP_ONESHOT;
2297	})->prio (Coro::PRIO_MAX);	3426	})->prio (Coro::PRIO_MAX);
2298	};	3427	};
2299		3428
2300	cfg_load;	3429	evthread_start IO::AIO::poll_fileno;
		3430
		3431	cf::sync_job {
		3432	reload_resources;
		3433	reload_config;
2301	db_init;	3434	db_init;
		3435
		3436	cf::load_settings;
		3437	cf::load_materials;
		3438	cf::init_uuid;
		3439	cf::init_signals;
		3440	cf::init_commands;
		3441	cf::init_skills;
		3442
		3443	cf::init_beforeplay;
		3444
		3445	atomic;
		3446
2302	load_extensions;	3447	load_extensions;
2303		3448
2304	$TICK_WATCHER->start;	3449	utime time, time, $RUNTIMEFILE;
		3450
		3451	# no (long-running) fork's whatsoever before this point(!)
		3452	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3453
		3454	(pop @POST_INIT)->(0) while @POST_INIT;
		3455	};
		3456
2305	Event::loop;	3457	EV::loop;
2306	}	3458	}
2307		3459
2308	#############################################################################	3460	#############################################################################
2309	# initialisation and cleanup	3461	# initialisation and cleanup
2310		3462
2311	# install some emergency cleanup handlers	3463	# install some emergency cleanup handlers
2312	BEGIN {	3464	BEGIN {
		3465	our %SIGWATCHER = ();
2313	for my $signal (qw(INT HUP TERM)) {	3466	for my $signal (qw(INT HUP TERM)) {
2314	Event->signal (	3467	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2315	reentrant => 0,
2316	data => WF_AUTOCANCEL,
2317	signal => $signal,
2318	prio => 0,
2319	cb => sub {
2320	cf::cleanup "SIG$signal";	3468	cf::cleanup "SIG$signal";
2321	},
2322	);	3469	};
		3470	}
		3471	}
		3472
		3473	sub write_runtime_sync {
		3474	# first touch the runtime file to show we are still running:
		3475	# the fsync below can take a very very long time.
		3476
		3477	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3478
		3479	my $guard = cf::lock_acquire "write_runtime";
		3480
		3481	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3482	or return;
		3483
		3484	my $value = $cf::RUNTIME + 90 + 10;
		3485	# 10 is the runtime save interval, for a monotonic clock
		3486	# 60 allows for the watchdog to kill the server.
		3487
		3488	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3489	and return;
		3490
		3491	# always fsync - this file is important
		3492	aio_fsync $fh
		3493	and return;
		3494
		3495	# touch it again to show we are up-to-date
		3496	aio_utime $fh, undef, undef;
		3497
		3498	close $fh
		3499	or return;
		3500
		3501	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3502	and return;
		3503
		3504	warn "runtime file written.\n";
		3505
2323	}	3506	1
		3507	}
		3508
		3509	our $uuid_lock;
		3510	our $uuid_skip;
		3511
		3512	sub write_uuid_sync($) {
		3513	$uuid_skip ||= $_[0];
		3514
		3515	return if $uuid_lock;
		3516	local $uuid_lock = 1;
		3517
		3518	my $uuid = "$LOCALDIR/uuid";
		3519
		3520	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3521	or return;
		3522
		3523	my $value = uuid_seq uuid_cur;
		3524
		3525	unless ($value) {
		3526	warn "cowardly refusing to write zero uuid value!\n";
		3527	return;
		3528	}
		3529
		3530	my $value = uuid_str $value + $uuid_skip;
		3531	$uuid_skip = 0;
		3532
		3533	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3534	and return;
		3535
		3536	# always fsync - this file is important
		3537	aio_fsync $fh
		3538	and return;
		3539
		3540	close $fh
		3541	or return;
		3542
		3543	aio_rename "$uuid~", $uuid
		3544	and return;
		3545
		3546	warn "uuid file written ($value).\n";
		3547
		3548	1
		3549
		3550	}
		3551
		3552	sub write_uuid($$) {
		3553	my ($skip, $sync) = @_;
		3554
		3555	$sync ? write_uuid_sync $skip
		3556	: async { write_uuid_sync $skip };
2324	}	3557	}
2325		3558
2326	sub emergency_save() {	3559	sub emergency_save() {
2327	my $freeze_guard = cf::freeze_mainloop;	3560	my $freeze_guard = cf::freeze_mainloop;
2328		3561
2329	warn "enter emergency perl save\n";	3562	warn "emergency_perl_save: enter\n";
2330		3563
2331	cf::sync_job {	3564	cf::sync_job {
		3565	# this is a trade-off: we want to be very quick here, so
		3566	# save all maps without fsync, and later call a global sync
		3567	# (which in turn might be very very slow)
		3568	local $USE_FSYNC = 0;
		3569
2332	# use a peculiar iteration method to avoid tripping on perl	3570	# use a peculiar iteration method to avoid tripping on perl
2333	# refcount bugs in for. also avoids problems with players	3571	# refcount bugs in for. also avoids problems with players
2334	# and maps saved/destroyed asynchronously.	3572	# and maps saved/destroyed asynchronously.
2335	warn "begin emergency player save\n";	3573	warn "emergency_perl_save: begin player save\n";
2336	for my $login (keys %cf::PLAYER) {	3574	for my $login (keys %cf::PLAYER) {
2337	my $pl = $cf::PLAYER{$login} or next;	3575	my $pl = $cf::PLAYER{$login} or next;
2338	$pl->valid or next;	3576	$pl->valid or next;
		3577	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2339	$pl->save;	3578	$pl->save;
2340	}	3579	}
2341	warn "end emergency player save\n";	3580	warn "emergency_perl_save: end player save\n";
2342		3581
2343	warn "begin emergency map save\n";	3582	warn "emergency_perl_save: begin map save\n";
2344	for my $path (keys %cf::MAP) {	3583	for my $path (keys %cf::MAP) {
2345	my $map = $cf::MAP{$path} or next;	3584	my $map = $cf::MAP{$path} or next;
2346	$map->valid or next;	3585	$map->valid or next;
2347	$map->save;	3586	$map->save;
2348	}	3587	}
2349	warn "end emergency map save\n";	3588	warn "emergency_perl_save: end map save\n";
2350		3589
2351	warn "begin emergency database checkpoint\n";	3590	warn "emergency_perl_save: begin database checkpoint\n";
2352	BDB::db_env_txn_checkpoint $DB_ENV;	3591	BDB::db_env_txn_checkpoint $DB_ENV;
2353	warn "end emergency database checkpoint\n";	3592	warn "emergency_perl_save: end database checkpoint\n";
		3593
		3594	warn "emergency_perl_save: begin write uuid\n";
		3595	write_uuid_sync 1;
		3596	warn "emergency_perl_save: end write uuid\n";
2354	};	3597	};
2355		3598
		3599	warn "emergency_perl_save: starting sync()\n";
		3600	IO::AIO::aio_sync sub {
		3601	warn "emergency_perl_save: finished sync()\n";
		3602	};
		3603
2356	warn "leave emergency perl save\n";	3604	warn "emergency_perl_save: leave\n";
2357	}	3605	}
2358		3606
		3607	sub post_cleanup {
		3608	my ($make_core) = @_;
		3609
		3610	warn Carp::longmess "post_cleanup backtrace"
		3611	if $make_core;
		3612
		3613	my $fh = pidfile;
		3614	unlink $PIDFILE if <$fh> == $$;
		3615	}
		3616
		3617	# a safer delete_package, copied from Symbol
		3618	sub clear_package($) {
		3619	my $pkg = shift;
		3620
		3621	# expand to full symbol table name if needed
		3622	unless ($pkg =~ /^main::.*::$/) {
		3623	$pkg = "main$pkg" if $pkg =~ /^::/;
		3624	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3625	$pkg .= '::' unless $pkg =~ /::$/;
		3626	}
		3627
		3628	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3629	my $stem_symtab = *{$stem}{HASH};
		3630
		3631	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3632	or return;
		3633
		3634	# clear all symbols
		3635	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3636	for my $name (keys %$leaf_symtab) {
		3637	_gv_clear *{"$pkg$name"};
		3638	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3639	}
		3640	warn "cleared package $pkg\n";#d#
		3641	}
		3642
2359	sub reload() {	3643	sub do_reload_perl() {
2360	# can/must only be called in main	3644	# can/must only be called in main
2361	if ($Coro::current != $Coro::main) {	3645	if ($Coro::current != $Coro::main) {
2362	warn "can only reload from main coroutine";	3646	warn "can only reload from main coroutine";
2363	return;	3647	return;
2364	}	3648	}
2365		3649
		3650	return if $RELOAD++;
		3651
		3652	my $t1 = EV::time;
		3653
		3654	while ($RELOAD) {
2366	warn "reloading...";	3655	warn "reloading...";
2367		3656
2368	warn "cancelling server ticker";	3657	warn "entering sync_job";
2369	$TICK_WATCHER->cancel;
2370		3658
		3659	cf::sync_job {
		3660	cf::write_runtime_sync; # external watchdog should not bark
2371	cf::emergency_save;	3661	cf::emergency_save;
		3662	cf::write_runtime_sync; # external watchdog should not bark
2372		3663
2373	eval {	3664	warn "syncing database to disk";
		3665	BDB::db_env_txn_checkpoint $DB_ENV;
		3666
2374	# if anything goes wrong in here, we should simply crash as we already saved	3667	# if anything goes wrong in here, we should simply crash as we already saved
2375		3668
2376	warn "cancelling all WF_AUTOCANCEL watchers";
2377	for (Event::all_watchers) {
2378	$_->cancel if $_->data & WF_AUTOCANCEL;
2379	}
2380
2381	warn "syncing database to disk";
2382	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2383
2384	warn "flushing outstanding aio requests";	3669	warn "flushing outstanding aio requests";
2385	for (;;) {
2386	BDB::flush;
2387	IO::AIO::flush;
2388	Coro::cede;
2389	last unless IO::AIO::nreqs || BDB::nreqs;	3670	while (IO::AIO::nreqs || BDB::nreqs) {
2390	warn "iterate...";	3671	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2391	}
2392
2393	warn "cancelling all extension coros";
2394	$_->cancel for values %EXT_CORO;
2395	%EXT_CORO = ();
2396
2397	warn "removing commands";
2398	%COMMAND = ();
2399
2400	warn "removing ext commands";
2401	%EXTCMD = ();
2402
2403	warn "unloading/nuking all extensions";
2404	for my $pkg (@EXTS) {
2405	warn "... unloading $pkg";
2406
2407	if (my $cb = $pkg->can ("unload")) {
2408	eval {
2409	$cb->($pkg);
2410	1
2411	} or warn "$pkg unloaded, but with errors: $@";
2412	}	3672	}
2413		3673
2414	warn "... nuking $pkg";	3674	warn "cancelling all extension coros";
2415	Symbol::delete_package $pkg;	3675	$_->cancel for values %EXT_CORO;
2416	}	3676	%EXT_CORO = ();
2417		3677
2418	warn "unloading all perl modules loaded from $LIBDIR";	3678	warn "removing commands";
2419	while (my ($k, $v) = each %INC) {	3679	%COMMAND = ();
2420	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2421		3680
		3681	warn "removing ext/exti commands";
		3682	%EXTCMD = ();
		3683	%EXTICMD = ();
		3684
		3685	warn "unloading/nuking all extensions";
		3686	for my $pkg (@EXTS) {
2422	warn "... unloading $k";	3687	warn "... unloading $pkg";
2423	delete $INC{$k};
2424		3688
2425	$k =~ s/\.pm$//;
2426	$k =~ s/\//::/g;
2427
2428	if (my $cb = $k->can ("unload_module")) {	3689	if (my $cb = $pkg->can ("unload")) {
		3690	eval {
2429	$cb->();	3691	$cb->($pkg);
		3692	1
		3693	} or warn "$pkg unloaded, but with errors: $@";
		3694	}
		3695
		3696	warn "... clearing $pkg";
		3697	clear_package $pkg;
2430	}	3698	}
2431		3699
2432	Symbol::delete_package $k;	3700	warn "unloading all perl modules loaded from $LIBDIR";
		3701	while (my ($k, $v) = each %INC) {
		3702	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3703
		3704	warn "... unloading $k";
		3705	delete $INC{$k};
		3706
		3707	$k =~ s/\.pm$//;
		3708	$k =~ s/\//::/g;
		3709
		3710	if (my $cb = $k->can ("unload_module")) {
		3711	$cb->();
		3712	}
		3713
		3714	clear_package $k;
2433	}	3715	}
2434		3716
2435	warn "getting rid of safe::, as good as possible";	3717	warn "getting rid of safe::, as good as possible";
2436	Symbol::delete_package "safe::$_"	3718	clear_package "safe::$_"
2437	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3719	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2438		3720
2439	warn "unloading cf.pm \"a bit\"";	3721	warn "unloading cf.pm \"a bit\"";
2440	delete $INC{"cf.pm"};	3722	delete $INC{"cf.pm"};
		3723	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2441		3724
2442	# don't, removes xs symbols, too,	3725	# don't, removes xs symbols, too,
2443	# and global variables created in xs	3726	# and global variables created in xs
2444	#Symbol::delete_package __PACKAGE__;	3727	#clear_package __PACKAGE__;
2445		3728
2446	warn "unload completed, starting to reload now";	3729	warn "unload completed, starting to reload now";
2447		3730
2448	warn "reloading cf.pm";	3731	warn "reloading cf.pm";
2449	require cf;	3732	require cf;
2450	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3733	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2451		3734
2452	warn "loading config and database again";	3735	warn "loading config and database again";
2453	cf::cfg_load;	3736	cf::reload_config;
2454		3737
2455	warn "loading extensions";	3738	warn "loading extensions";
2456	cf::load_extensions;	3739	cf::load_extensions;
2457		3740
		3741	if ($REATTACH_ON_RELOAD) {
2458	warn "reattaching attachments to objects/players";	3742	warn "reattaching attachments to objects/players";
2459	_global_reattach;	3743	_global_reattach; # objects, sockets
2460	warn "reattaching attachments to maps";	3744	warn "reattaching attachments to maps";
2461	reattach $_ for values %MAP;	3745	reattach $_ for values %MAP;
		3746	warn "reattaching attachments to players";
		3747	reattach $_ for values %PLAYER;
		3748	}
2462		3749
2463	warn "loading reloadable resources";	3750	warn "running post_init jobs";
2464	load_resources;	3751	(pop @POST_INIT)->(1) while @POST_INIT;
2465		3752
2466	warn "restarting server ticker";	3753	warn "leaving sync_job";
2467		3754
2468	$TICK_WATCHER->start;	3755	1
		3756	} or do {
		3757	warn $@;
		3758	cf::cleanup "error while reloading, exiting.";
		3759	};
		3760
		3761	warn "reloaded";
		3762	--$RELOAD;
		3763	}
		3764
		3765	$t1 = EV::time - $t1;
		3766	warn "reload completed in ${t1}s\n";
		3767	};
		3768
		3769	our $RELOAD_WATCHER; # used only during reload
		3770
		3771	sub reload_perl() {
		3772	# doing reload synchronously and two reloads happen back-to-back,
		3773	# coro crashes during coro_state_free->destroy here.
		3774
		3775	$RELOAD_WATCHER ||= cf::async {
		3776	Coro::AIO::aio_wait cache_extensions;
		3777
		3778	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3779	do_reload_perl;
		3780	undef $RELOAD_WATCHER;
		3781	};
2469	};	3782	};
2470		3783	}
2471	if ($@) {
2472	warn $@;
2473	warn "error while reloading, exiting.";
2474	exit 1;
2475	}
2476
2477	warn "reloaded";
2478	};
2479
2480	our $RELOAD_WATCHER; # used only during reload
2481		3784
2482	register_command "reload" => sub {	3785	register_command "reload" => sub {
2483	my ($who, $arg) = @_;	3786	my ($who, $arg) = @_;
2484		3787
2485	if ($who->flag (FLAG_WIZ)) {	3788	if ($who->flag (FLAG_WIZ)) {
2486	$who->message ("reloading server.");	3789	$who->message ("reloading server.");
2487		3790	async {
2488	# doing reload synchronously and two reloads happen back-to-back,	3791	$Coro::current->{desc} = "perl_reload";
2489	# coro crashes during coro_state_free->destroy here.
2490
2491	$RELOAD_WATCHER ||= Event->timer (
2492	reentrant => 0,
2493	after => 0,
2494	data => WF_AUTOCANCEL,
2495	cb => sub {
2496	reload;	3792	reload_perl;
2497	undef $RELOAD_WATCHER;
2498	},
2499	);	3793	};
2500	}	3794	}
2501	};	3795	};
2502		3796
2503	unshift @INC, $LIBDIR;	3797	unshift @INC, $LIBDIR;
2504		3798
2505	my $bug_warning = 0;	3799	my $bug_warning = 0;
2506		3800
2507	$TICK_WATCHER = Event->timer (	3801	our @WAIT_FOR_TICK;
2508	reentrant => 0,	3802	our @WAIT_FOR_TICK_BEGIN;
2509	parked => 1,	3803
2510	prio => 0,	3804	sub wait_for_tick {
2511	at => $NEXT_TICK || $TICK,	3805	return if tick_inhibit || $Coro::current == $Coro::main;
2512	data => WF_AUTOCANCEL,	3806
2513	cb => sub {	3807	my $signal = new Coro::Signal;
		3808	push @WAIT_FOR_TICK, $signal;
		3809	$signal->wait;
		3810	}
		3811
		3812	sub wait_for_tick_begin {
		3813	return if tick_inhibit || $Coro::current == $Coro::main;
		3814
		3815	my $signal = new Coro::Signal;
		3816	push @WAIT_FOR_TICK_BEGIN, $signal;
		3817	$signal->wait;
		3818	}
		3819
		3820	sub tick {
2514	if ($Coro::current != $Coro::main) {	3821	if ($Coro::current != $Coro::main) {
2515	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3822	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2516	unless ++$bug_warning > 10;	3823	unless ++$bug_warning > 10;
2517	return;	3824	return;
2518	}	3825	}
2519		3826
2520	$NOW = Event::time;
2521
2522	cf::server_tick; # one server iteration	3827	cf::server_tick; # one server iteration
2523	$RUNTIME += $TICK;
2524	$NEXT_TICK += $TICK;
2525		3828
2526	$WAIT_FOR_TICK->broadcast;	3829	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2527	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3830	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		3831	Coro::async_pool {
		3832	$Coro::current->{desc} = "runtime saver";
		3833	write_runtime_sync
		3834	or warn "ERROR: unable to write runtime file: $!";
		3835	};
		3836	}
2528		3837
2529	Event::sweep;	3838	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2530	Coro::cede_notself;	3839	$sig->send;
		3840	}
		3841	while (my $sig = shift @WAIT_FOR_TICK) {
		3842	$sig->send;
		3843	}
		3844
		3845	$LOAD = ($NOW - $TICK_START) / $TICK;
		3846	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3847
		3848	if (0) {
		3849	if ($NEXT_TICK) {
		3850	my $jitter = $TICK_START - $NEXT_TICK;
		3851	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3852	warn "jitter $JITTER\n";#d#
2531		3853	}
2532	# my $AFTER = Event::time;
2533	# warn $AFTER - $NOW;#d#
2534
2535	# if we are delayed by four ticks or more, skip them all
2536	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2537
2538	$TICK_WATCHER->at ($NEXT_TICK);
2539	$TICK_WATCHER->start;
2540	},	3854	}
2541	);	3855	}
2542		3856
2543	{	3857	{
2544	BDB::max_poll_time $TICK * 0.1;	3858	# configure BDB
2545	$BDB_POLL_WATCHER = Event->io (	3859
2546	reentrant => 0,
2547	fd => BDB::poll_fileno,
2548	poll => 'r',
2549	prio => 0,
2550	data => WF_AUTOCANCEL,
2551	cb => \&BDB::poll_cb,
2552	);
2553	BDB::min_parallel 8;	3860	BDB::min_parallel 8;
2554		3861	BDB::max_poll_reqs $TICK * 0.1;
2555	BDB::set_sync_prepare {	3862	$AnyEvent::BDB::WATCHER->priority (1);
2556	my $status;
2557	my $current = $Coro::current;
2558	(
2559	sub {
2560	$status = $!;
2561	$current->ready; undef $current;
2562	},
2563	sub {
2564	Coro::schedule while defined $current;
2565	$! = $status;
2566	},
2567	)
2568	};
2569		3863
2570	unless ($DB_ENV) {	3864	unless ($DB_ENV) {
2571	$DB_ENV = BDB::db_env_create;	3865	$DB_ENV = BDB::db_env_create;
		3866	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3867	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3868	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3869	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3870	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2572		3871
2573	cf::sync_job {	3872	cf::sync_job {
2574	eval {	3873	eval {
2575	BDB::db_env_open	3874	BDB::db_env_open
2576	$DB_ENV,	3875	$DB_ENV,
2577	$BDB_ENV_DIR,	3876	$BDBDIR,
2578	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3877	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2579	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3878	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2580	0666;	3879	0666;
2581		3880
2582	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3881	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2583
2584	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2585	$DB_ENV->set_lk_detect;
2586	};	3882	};
2587		3883
2588	cf::cleanup "db_env_open(db): $@" if $@;	3884	cf::cleanup "db_env_open(db): $@" if $@;
2589	};	3885	};
2590	}	3886	}
		3887
		3888	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3889	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3890	};
		3891	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3892	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3893	};
		3894	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3895	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3896	};
2591	}	3897	}
2592		3898
2593	{	3899	{
		3900	# configure IO::AIO
		3901
2594	IO::AIO::min_parallel 8;	3902	IO::AIO::min_parallel 8;
2595
2596	undef $Coro::AIO::WATCHER;
2597	IO::AIO::max_poll_time $TICK * 0.1;	3903	IO::AIO::max_poll_time $TICK * 0.1;
2598	$AIO_POLL_WATCHER = Event->io (	3904	undef $AnyEvent::AIO::WATCHER;
2599	reentrant => 0,
2600	fd => IO::AIO::poll_fileno,
2601	poll => 'r',
2602	prio => 6,
2603	data => WF_AUTOCANCEL,
2604	cb => \&IO::AIO::poll_cb,
2605	);
2606	}	3905	}
2607		3906
2608	$WRITE_RUNTIME_WATCHER = Event->timer (	3907	my $_log_backtrace;
2609	reentrant => 0,	3908
2610	data => WF_AUTOCANCEL,	3909	sub _log_backtrace {
2611	after => 1,	3910	my ($msg, @addr) = @_;
2612	interval => 10,	3911
2613	prio => 6, # keep it lowest so it acts like a watchdog	3912	$msg =~ s/\n//;
2614	cb => Coro::unblock_sub {	3913
2615	write_runtime	3914	# limit the # of concurrent backtraces
2616	or warn "ERROR: unable to write runtime file: $!";	3915	if ($_log_backtrace < 2) {
		3916	++$_log_backtrace;
		3917	my $perl_bt = Carp::longmess $msg;
		3918	async {
		3919	$Coro::current->{desc} = "abt $msg";
		3920
		3921	my @bt = fork_call {
		3922	@addr = map { sprintf "%x", $_ } @addr;
		3923	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3924	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3925	or die "addr2line: $!";
		3926
		3927	my @funcs;
		3928	my @res = <$fh>;
		3929	chomp for @res;
		3930	while (@res) {
		3931	my ($func, $line) = splice @res, 0, 2, ();
		3932	push @funcs, "[$func] $line";
		3933	}
		3934
		3935	@funcs
		3936	};
		3937
		3938	LOG llevInfo, "[ABT] $perl_bt\n";
		3939	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3940	LOG llevInfo, "[ABT] $_\n" for @bt;
		3941	--$_log_backtrace;
		3942	};
		3943	} else {
		3944	LOG llevInfo, "[ABT] $msg\n";
		3945	LOG llevInfo, "[ABT] [suppressed]\n";
2617	},	3946	}
2618	);	3947	}
		3948
		3949	# load additional modules
		3950	require "cf/$_.pm" for @EXTRA_MODULES;
2619		3951
2620	END { cf::emergency_save }	3952	END { cf::emergency_save }
2621		3953
2622	1	3954	1
2623		3955

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