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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.206 by root, Sun Feb 11 22:27:05 2007 UTC vs.
Revision 1.459 by root, Sat Dec 13 21:46:12 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
		31	use EV;
9	use Opcode;	32	use Opcode;
10	use Safe;	33	use Safe;
11	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
12		36
		37	use Guard ();
13	use Coro 3.5 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
20	use BDB ();	54	use BDB ();
21	use Data::Dumper;	55	use Data::Dumper;
22	use Digest::MD5;	56	use Digest::MD5;
23	use Fcntl;	57	use Fcntl;
		58	use YAML ();
24	use IO::AIO 2.32 ();	59	use IO::AIO ();
25	use YAML::Syck ();
26	use Time::HiRes;	60	use Time::HiRes;
		61	use Compress::LZF;
		62	use Digest::MD5 ();
27		63
28	use Event; $Event::Eval = 1; # no idea why this is required, but it is	64	AnyEvent::detect;
		65
		66	# configure various modules to our taste
		67	#
		68	$Storable::canonical = 1; # reduce rsync transfers
		69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
29		76
30	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
31
32	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
33	$YAML::Syck::ImplicitUnicode = 1;
34
35	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
36		78
37	our %COMMAND = ();	79	our %COMMAND = ();
38	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
39		81
40	our @EXTS = (); # list of extension package names	82	our @EXTS = (); # list of extension package names
41	our %EXTCMD = ();	83	our %EXTCMD = ();
		84	our %EXTICMD = ();
42	our %EXT_CORO = (); # coroutines bound to extensions	85	our %EXT_CORO = (); # coroutines bound to extensions
43	our %EXT_MAP = (); # pluggable maps	86	our %EXT_MAP = (); # pluggable maps
44		87
		88	our $RELOAD; # number of reloads so far, non-zero while in reload
45	our @EVENT;	89	our @EVENT;
46	our $LIBDIR = datadir . "/ext";
47		90
48	our $TICK = MAX_TIME * 1e-6;	91	our $CONFDIR = confdir;
49	our $TICK_WATCHER;	92	our $DATADIR = datadir;
50	our $AIO_POLL_WATCHER;	93	our $LIBDIR = "$DATADIR/ext";
51	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
52	our $NEXT_TICK;	109	our $NEXT_TICK;
53	our $NOW;
54	our $USE_FSYNC = 1; # use fsync to write maps - default off	110	our $USE_FSYNC = 1; # use fsync to write maps - default off
55		111
		112	our $BDB_DEADLOCK_WATCHER;
		113	our $BDB_CHECKPOINT_WATCHER;
56	our $BDB_POLL_WATCHER;	114	our $BDB_TRICKLE_WATCHER;
57	our $DB_ENV;	115	our $DB_ENV;
58		116
59	our %CFG;	117	our %CFG;
60		118
61	our $UPTIME; $UPTIME ||= time;	119	our $UPTIME; $UPTIME ||= time;
62	our $RUNTIME;	120	our $RUNTIME;
		121	our $NOW;
63		122
64	our %PLAYER; # all users	123	our (%PLAYER, %PLAYER_LOADING); # all users
65	our %MAP; # all maps	124	our (%MAP, %MAP_LOADING ); # all maps
66	our $LINK_MAP; # the special {link} map, which is always available	125	our $LINK_MAP; # the special {link} map, which is always available
67	our $RANDOM_MAPS = cf::localdir . "/random";
68	our $BDB_ENV_DIR = cf::localdir . "/db";
69
70	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
71	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
72		126
73	# used to convert map paths into valid unix filenames by replacing / by ∕	127	# used to convert map paths into valid unix filenames by replacing / by ∕
74	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	128	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
75		129
		130	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		131	our $LOADAVG; # same thing, but with alpha-smoothing
		132	our $JITTER; # average jitter
		133	our $TICK_START; # for load detecting purposes
		134
		135	our @POST_INIT;
		136
		137	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
		138
76	binmode STDOUT;	139	binmode STDOUT;
77	binmode STDERR;	140	binmode STDERR;
78		141
79	# read virtual server time, if available	142	# read virtual server time, if available
80	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	143	unless ($RUNTIME || !-e $RUNTIMEFILE) {
81	open my $fh, "<", cf::localdir . "/runtime"	144	open my $fh, "<", $RUNTIMEFILE
82	or die "unable to read runtime file: $!";	145	or die "unable to read $RUNTIMEFILE file: $!";
83	$RUNTIME = <$fh> + 0.;	146	$RUNTIME = <$fh> + 0.;
84	}	147	}
85		148
86	mkdir cf::localdir;	149	mkdir $_
87	mkdir cf::localdir . "/" . cf::playerdir;	150	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
88	mkdir cf::localdir . "/" . cf::tmpdir;
89	mkdir cf::localdir . "/" . cf::uniquedir;
90	mkdir $RANDOM_MAPS;
91	mkdir $BDB_ENV_DIR;
92		151
93	our $EMERGENCY_POSITION;	152	our $EMERGENCY_POSITION;
94		153
95	sub cf::map::normalise;	154	sub cf::map::normalise;
96		155
…		…
107	=item $cf::RUNTIME	166	=item $cf::RUNTIME
108		167
109	The time this server has run, starts at 0 and is increased by $cf::TICK on	168	The time this server has run, starts at 0 and is increased by $cf::TICK on
110	every server tick.	169	every server tick.
111		170
112	=item $cf::LIBDIR	171	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		172	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		173	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
113		174
114	The perl library directory, where extensions and cf-specific modules can	175	Various directories - "/etc", read-only install directory, perl-library
115	be found. It will be added to C<@INC> automatically.	176	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		177	unique-items directory, player file directory, random maps directory and
		178	database environment.
116		179
117	=item $cf::NOW	180	=item $cf::NOW
118		181
119	The time of the last (current) server tick.	182	The time of the last (current) server tick.
120		183
121	=item $cf::TICK	184	=item $cf::TICK
122		185
123	The interval between server ticks, in seconds.	186	The interval between server ticks, in seconds.
124		187
		188	=item $cf::LOADAVG
		189
		190	The current CPU load on the server (alpha-smoothed), as a value between 0
		191	(none) and 1 (overloaded), indicating how much time is spent on processing
		192	objects per tick. Healthy values are < 0.5.
		193
		194	=item $cf::LOAD
		195
		196	The raw value load value from the last tick.
		197
125	=item %cf::CFG	198	=item %cf::CFG
126		199
127	Configuration for the server, loaded from C</etc/crossfire/config>, or	200	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
128	from wherever your confdir points to.	201	from wherever your confdir points to.
129		202
130	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	203	=item cf::wait_for_tick, cf::wait_for_tick_begin
131		204
132	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	205	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
133	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	206	returns directly I<after> the tick processing (and consequently, can only wake one process
134	processing has been done. Call C<< ->wait >> on them to maximise the	207	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
135	window of cpu time available, or simply to synchronise to the server tick.	208
		209	=item @cf::INVOKE_RESULTS
		210
		211	This array contains the results of the last C<invoke ()> call. When
		212	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		213	that call.
136		214
137	=back	215	=back
138		216
139	=cut	217	=cut
140		218
141	BEGIN {	219	BEGIN {
142	*CORE::GLOBAL::warn = sub {	220	*CORE::GLOBAL::warn = sub {
143	my $msg = join "", @_;	221	my $msg = join "", @_;
144	utf8::encode $msg;
145		222
146	$msg .= "\n"	223	$msg .= "\n"
147	unless $msg =~ /\n$/;	224	unless $msg =~ /\n$/;
148		225
		226	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		227
149	LOG llevError, $msg;	228	LOG llevError, $msg;
150	};	229	};
151	}	230	}
		231
		232	$Coro::State::DIEHOOK = sub {
		233	return unless $^S eq 0; # "eq", not "=="
		234
		235	if ($Coro::current == $Coro::main) {#d#
		236	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		237	return;#d#
		238	}#d#
		239
		240	# kill coroutine otherwise
		241	warn Carp::longmess $_[0];
		242	Coro::terminate
		243	};
		244
		245	$SIG{__DIE__} = sub { }; #d#?
152		246
153	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	247	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
154	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	248	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
155	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	249	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
156	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	250	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
157	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	251	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		252	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
158	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	253	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
159		254
160	# we bless all objects into (empty) derived classes to force a method lookup	255	# we bless all objects into (empty) derived classes to force a method lookup
161	# within the Safe compartment.	256	# within the Safe compartment.
162	for my $pkg (qw(	257	for my $pkg (qw(
163	cf::global cf::attachable	258	cf::global cf::attachable
164	cf::object cf::object::player	259	cf::object cf::object::player
165	cf::client cf::player	260	cf::client cf::player
166	cf::arch cf::living	261	cf::arch cf::living
		262	cf::map cf::mapspace
167	cf::map cf::party cf::region	263	cf::party cf::region
168	)) {	264	)) {
169	no strict 'refs';
170	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	265	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
171	}	266	}
172		267
173	$Event::DIED = sub {	268	$EV::DIED = sub {
174	warn "error in event callback: @_";	269	warn "error in event callback: @_";
175	};	270	};
		271
		272	#############################################################################
176		273
177	=head2 UTILITY FUNCTIONS	274	=head2 UTILITY FUNCTIONS
178		275
179	=over 4	276	=over 4
180		277
…		…
199	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	296	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
200	$d	297	$d
201	} || "[unable to dump $_[0]: '$@']";	298	} || "[unable to dump $_[0]: '$@']";
202	}	299	}
203		300
204	use JSON::Syck (); # TODO# replace by JSON::PC once working
205
206	=item $ref = cf::from_json $json	301	=item $ref = cf::decode_json $json
207		302
208	Converts a JSON string into the corresponding perl data structure.	303	Converts a JSON string into the corresponding perl data structure.
209		304
210	=cut
211
212	sub from_json($) {
213	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
214	JSON::Syck::Load $_[0]
215	}
216
217	=item $json = cf::to_json $ref	305	=item $json = cf::encode_json $ref
218		306
219	Converts a perl data structure into its JSON representation.	307	Converts a perl data structure into its JSON representation.
220		308
221	=cut	309	=cut
222		310
223	sub to_json($) {	311	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
224	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	312
225	JSON::Syck::Dump $_[0]	313	sub encode_json($) { $json_coder->encode ($_[0]) }
		314	sub decode_json($) { $json_coder->decode ($_[0]) }
		315
		316	=item cf::post_init { BLOCK }
		317
		318	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		319	but I<before> the server starts ticking again.
		320
		321	The cdoeblock will have a single boolean argument to indicate whether this
		322	is a reload or not.
		323
		324	=cut
		325
		326	sub post_init(&) {
		327	push @POST_INIT, shift;
226	}	328	}
227		329
228	=item cf::lock_wait $string	330	=item cf::lock_wait $string
229		331
230	Wait until the given lock is available. See cf::lock_acquire.	332	Wait until the given lock is available. See cf::lock_acquire.
231		333
232	=item my $lock = cf::lock_acquire $string	334	=item my $lock = cf::lock_acquire $string
233		335
234	Wait until the given lock is available and then acquires it and returns	336	Wait until the given lock is available and then acquires it and returns
235	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	337	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
236	for example when the coroutine gets canceled), the lock is automatically	338	for example when the coroutine gets canceled), the lock is automatically
237	returned.	339	returned.
238		340
		341	Locks are *not* recursive, locking from the same coro twice results in a
		342	deadlocked coro.
		343
239	Lock names should begin with a unique identifier (for example, cf::map::find	344	Lock names should begin with a unique identifier (for example, cf::map::find
240	uses map_find and cf::map::load uses map_load).	345	uses map_find and cf::map::load uses map_load).
241		346
242	=cut	347	=item $locked = cf::lock_active $string
243		348
244	our %LOCK;	349	Return true if the lock is currently active, i.e. somebody has locked it.
		350
		351	=cut
		352
		353	our $LOCKS = new Coro::SemaphoreSet;
245		354
246	sub lock_wait($) {	355	sub lock_wait($) {
247	my ($key) = @_;	356	$LOCKS->wait ($_[0]);
248
249	# wait for lock, if any
250	while ($LOCK{$key}) {
251	push @{ $LOCK{$key} }, $Coro::current;
252	Coro::schedule;
253	}
254	}	357	}
255		358
256	sub lock_acquire($) {	359	sub lock_acquire($) {
257	my ($key) = @_;	360	$LOCKS->guard ($_[0])
		361	}
258		362
259	# wait, to be sure we are not locked	363	sub lock_active($) {
260	lock_wait $key;	364	$LOCKS->count ($_[0]) < 1
261
262	$LOCK{$key} = [];
263
264	Coro::guard {
265	# wake up all waiters, to be on the safe side
266	$_->ready for @{ delete $LOCK{$key} };
267	}
268	}	365	}
269		366
270	sub freeze_mainloop {	367	sub freeze_mainloop {
271	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
272		369
273	my $guard = Coro::guard {	370	&Guard::guard (\&tick_inhibit_dec);
274	$TICK_WATCHER->start;	371	}
275	$WRITE_RUNTIME_WATCHER->start;	372
		373	=item cf::periodic $interval, $cb
		374
		375	Like EV::periodic, but randomly selects a starting point so that the actions
		376	get spread over timer.
		377
		378	=cut
		379
		380	sub periodic($$) {
		381	my ($interval, $cb) = @_;
		382
		383	my $start = rand List::Util::min 180, $interval;
		384
		385	EV::periodic $start, $interval, 0, $cb
		386	}
		387
		388	=item cf::get_slot $time[, $priority[, $name]]
		389
		390	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		391	This call blocks and returns only when you have at least C<$time> seconds
		392	of cpu time till the next tick. The slot is only valid till the next cede.
		393
		394	The optional C<$name> can be used to identify the job to run. It might be
		395	used for statistical purposes and should identify the same time-class.
		396
		397	Useful for short background jobs.
		398
		399	=cut
		400
		401	our @SLOT_QUEUE;
		402	our $SLOT_QUEUE;
		403
		404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		405	$SLOT_QUEUE = Coro::async {
		406	$Coro::current->desc ("timeslot manager");
		407
		408	my $signal = new Coro::Signal;
		409
		410	while () {
		411	next_job:
		412	my $avail = cf::till_tick;
		413	if ($avail > 0.01) {
		414	for (0 .. $#SLOT_QUEUE) {
		415	if ($SLOT_QUEUE[$_][0] < $avail) {
		416	my $job = splice @SLOT_QUEUE, $_, 1, ();
		417	$job->[2]->send;
		418	Coro::cede;
		419	goto next_job;
		420	}
		421	}
		422	}
		423
		424	if (@SLOT_QUEUE) {
		425	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		426	push @cf::WAIT_FOR_TICK, $signal;
		427	$signal->wait;
		428	} else {
		429	Coro::schedule;
		430	}
276	};	431	}
277	$WRITE_RUNTIME_WATCHER->stop;	432	};
278	$TICK_WATCHER->stop;	433
279	$guard	434	sub get_slot($;$$) {
		435	return if tick_inhibit || $Coro::current == $Coro::main;
		436
		437	my ($time, $pri, $name) = @_;
		438
		439	$time = $TICK * .6 if $time > $TICK * .6;
		440	my $sig = new Coro::Signal;
		441
		442	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		443	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		444	$SLOT_QUEUE->ready;
		445	$sig->wait;
280	}	446	}
281		447
282	=item cf::async { BLOCK }	448	=item cf::async { BLOCK }
283		449
284	Currently the same as Coro::async_pool, meaning you cannot use	450	Currently the same as Coro::async_pool, meaning you cannot use
…		…
289		455
290	BEGIN { *async = \&Coro::async_pool }	456	BEGIN { *async = \&Coro::async_pool }
291		457
292	=item cf::sync_job { BLOCK }	458	=item cf::sync_job { BLOCK }
293		459
294	The design of crossfire+ requires that the main coro ($Coro::main) is	460	The design of Deliantra requires that the main coroutine ($Coro::main)
295	always able to handle events or runnable, as crossfire+ is only partly	461	is always able to handle events or runnable, as Deliantra is only
296	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	462	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		463	acceptable.
297		464
298	If it must be done, put the blocking parts into C<sync_job>. This will run	465	If it must be done, put the blocking parts into C<sync_job>. This will run
299	the given BLOCK in another coroutine while waiting for the result. The	466	the given BLOCK in another coroutine while waiting for the result. The
300	server will be frozen during this time, so the block should either finish	467	server will be frozen during this time, so the block should either finish
301	fast or be very important.	468	fast or be very important.
…		…
304		471
305	sub sync_job(&) {	472	sub sync_job(&) {
306	my ($job) = @_;	473	my ($job) = @_;
307		474
308	if ($Coro::current == $Coro::main) {	475	if ($Coro::current == $Coro::main) {
		476	my $time = EV::time;
		477
309	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
310	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
311		480
312	# TODO: use suspend/resume instead	481	LOG llevError, Carp::longmess "sync job";#d#
313	# (but this is cancel-safe)	482
314	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
315		484
316	my $busy = 1;	485	my $busy = 1;
317	my @res;	486	my @res;
318		487
319	(async {	488	(async {
		489	$Coro::current->desc ("sync job coro");
320	@res = eval { $job->() };	490	@res = eval { $job->() };
321	warn $@ if $@;	491	warn $@ if $@;
322	undef $busy;	492	undef $busy;
323	})->prio (Coro::PRIO_MAX);	493	})->prio (Coro::PRIO_MAX);
324		494
325	while ($busy) {	495	while ($busy) {
326	Coro::cede or Event::one_event;	496	if (Coro::nready) {
		497	Coro::cede_notself;
		498	} else {
		499	EV::loop EV::LOOP_ONESHOT;
327	}	500	}
		501	}
		502
		503	my $time = EV::time - $time;
		504
		505	$TICK_START += $time; # do not account sync jobs to server load
328		506
329	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
330	} else {	508	} else {
331	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
332		510
…		…
352	$EXT_CORO{$coro+0} = $coro;	530	$EXT_CORO{$coro+0} = $coro;
353		531
354	$coro	532	$coro
355	}	533	}
356		534
357	sub write_runtime {	535	=item fork_call { }, $args
358	my $runtime = cf::localdir . "/runtime";
359		536
360	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	537	Executes the given code block with the given arguments in a seperate
361	or return;	538	process, returning the results. Everything must be serialisable with
		539	Coro::Storable. May, of course, block. Note that the executed sub may
		540	never block itself or use any form of event handling.
362		541
363	my $value = $cf::RUNTIME + 90 + 10;	542	=cut
364	# 10 is the runtime save interval, for a monotonic clock
365	# 60 allows for the watchdog to kill the server.
366		543
367	(aio_write $fh, 0, (length $value), $value, 0) <= 0	544	sub fork_call(&@) {
368	and return;	545	my ($cb, @args) = @_;
369		546
370	# always fsync - this file is important	547	# we seemingly have to make a local copy of the whole thing,
371	aio_fsync $fh	548	# otherwise perl prematurely frees the stuff :/
372	and return;	549	# TODO: investigate and fix (likely this will be rather laborious)
373		550
374	close $fh	551	my @res = Coro::Util::fork_eval {
375	or return;	552	reset_signals;
		553	&$cb
		554	}, @args;
376		555
377	aio_rename "$runtime~", $runtime	556	wantarray ? @res : $res[-1]
378	and return;	557	}
379		558
		559	=item $coin = coin_from_name $name
		560
		561	=cut
		562
		563	our %coin_alias = (
		564	"silver" => "silvercoin",
		565	"silvercoin" => "silvercoin",
		566	"silvercoins" => "silvercoin",
		567	"gold" => "goldcoin",
		568	"goldcoin" => "goldcoin",
		569	"goldcoins" => "goldcoin",
		570	"platinum" => "platinacoin",
		571	"platinumcoin" => "platinacoin",
		572	"platinumcoins" => "platinacoin",
		573	"platina" => "platinacoin",
		574	"platinacoin" => "platinacoin",
		575	"platinacoins" => "platinacoin",
		576	"royalty" => "royalty",
		577	"royalties" => "royalty",
		578	);
		579
		580	sub coin_from_name($) {
		581	$coin_alias{$_[0]}
		582	? cf::arch::find $coin_alias{$_[0]}
		583	: undef
		584	}
		585
		586	=item $value = cf::db_get $family => $key
		587
		588	Returns a single value from the environment database.
		589
		590	=item cf::db_put $family => $key => $value
		591
		592	Stores the given C<$value> in the family. It can currently store binary
		593	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		594
		595	=item $db = cf::db_table "name"
		596
		597	Create and/or open a new database table. The string must not be "db" and must be unique
		598	within each server.
		599
		600	=cut
		601
		602	sub db_table($) {
		603	my ($name) = @_;
		604	my $db = BDB::db_create $DB_ENV;
		605
		606	eval {
		607	$db->set_flags (BDB::CHKSUM);
		608
		609	utf8::encode $name;
		610	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		611	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		612	cf::cleanup "db_open(db): $!" if $!;
		613	};
		614	cf::cleanup "db_open(db): $@" if $@;
		615
		616	$db
		617	}
		618
		619	our $DB;
		620
		621	sub db_init {
		622	cf::sync_job {
		623	$DB ||= db_table "db";
		624	};
		625	}
		626
		627	sub db_get($$) {
		628	my $key = "$_[0]/$_[1]";
		629
		630	cf::sync_job {
		631	BDB::db_get $DB, undef, $key, my $data;
		632
		633	$! ? ()
		634	: $data
380	1	635	}
		636	}
		637
		638	sub db_put($$$) {
		639	BDB::dbreq_pri 4;
		640	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		641	}
		642
		643	=item cf::cache $id => [$paths...], $processversion => $process
		644
		645	Generic caching function that returns the value of the resource $id,
		646	caching and regenerating as required.
		647
		648	This function can block.
		649
		650	=cut
		651
		652	sub cache {
		653	my ($id, $src, $processversion, $process) = @_;
		654
		655	my $meta =
		656	join "\x00",
		657	$processversion,
		658	map {
		659	aio_stat $_
		660	and Carp::croak "$_: $!";
		661
		662	($_, (stat _)[7,9])
		663	} @$src;
		664
		665	my $dbmeta = db_get cache => "$id/meta";
		666	if ($dbmeta ne $meta) {
		667	# changed, we may need to process
		668
		669	my @data;
		670	my $md5;
		671
		672	for (0 .. $#$src) {
		673	0 <= aio_load $src->[$_], $data[$_]
		674	or Carp::croak "$src->[$_]: $!";
		675	}
		676
		677	# if processing is expensive, check
		678	# checksum first
		679	if (1) {
		680	$md5 =
		681	join "\x00",
		682	$processversion,
		683	map {
		684	cf::cede_to_tick;
		685	($src->[$_], Digest::MD5::md5_hex $data[$_])
		686	} 0.. $#$src;
		687
		688
		689	my $dbmd5 = db_get cache => "$id/md5";
		690	if ($dbmd5 eq $md5) {
		691	db_put cache => "$id/meta", $meta;
		692
		693	return db_get cache => "$id/data";
		694	}
		695	}
		696
		697	my $t1 = Time::HiRes::time;
		698	my $data = $process->(\@data);
		699	my $t2 = Time::HiRes::time;
		700
		701	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		702
		703	db_put cache => "$id/data", $data;
		704	db_put cache => "$id/md5" , $md5;
		705	db_put cache => "$id/meta", $meta;
		706
		707	return $data;
		708	}
		709
		710	db_get cache => "$id/data"
		711	}
		712
		713	=item cf::datalog type => key => value, ...
		714
		715	Log a datalog packet of the given type with the given key-value pairs.
		716
		717	=cut
		718
		719	sub datalog($@) {
		720	my ($type, %kv) = @_;
		721	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
381	}	722	}
382		723
383	=back	724	=back
384		725
385	=cut	726	=cut
386		727
387	#############################################################################	728	#############################################################################
388		729
389	=head2 ATTACHABLE OBJECTS	730	=head2 ATTACHABLE OBJECTS
390		731
391	Many objects in crossfire are so-called attachable objects. That means you can	732	Many objects in deliantra are so-called attachable objects. That means you can
392	attach callbacks/event handlers (a collection of which is called an "attachment")	733	attach callbacks/event handlers (a collection of which is called an "attachment")
393	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
394		735
395	In the following description, CLASS can be any of C<global>, C<object>	736	In the following description, CLASS can be any of C<global>, C<object>
396	C<player>, C<client> or C<map> (i.e. the attachable objects in	737	C<player>, C<client> or C<map> (i.e. the attachable objects in
397	crossfire+).	738	Deliantra).
398		739
399	=over 4	740	=over 4
400		741
401	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
402		743
…		…
446	=item cf::CLASS::attachment $name, ...	787	=item cf::CLASS::attachment $name, ...
447		788
448	Register an attachment by C<$name> through which attachable objects of the	789	Register an attachment by C<$name> through which attachable objects of the
449	given CLASS can refer to this attachment.	790	given CLASS can refer to this attachment.
450		791
451	Some classes such as crossfire maps and objects can specify attachments	792	Some classes such as deliantra maps and objects can specify attachments
452	that are attached at load/instantiate time, thus the need for a name.	793	that are attached at load/instantiate time, thus the need for a name.
453		794
454	These calls expect any number of the following handler/hook descriptions:	795	These calls expect any number of the following handler/hook descriptions:
455		796
456	=over 4	797	=over 4
…		…
565	$registry = $CB_TYPE[$object_type] ||= [];	906	$registry = $CB_TYPE[$object_type] ||= [];
566		907
567	} elsif ($type eq "subtype") {	908	} elsif ($type eq "subtype") {
568	defined $object_type or Carp::croak "subtype specified without type";	909	defined $object_type or Carp::croak "subtype specified without type";
569	my $object_subtype = shift @arg;	910	my $object_subtype = shift @arg;
570	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	911	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
571		912
572	} elsif ($type eq "package") {	913	} elsif ($type eq "package") {
573	my $pkg = shift @arg;	914	my $pkg = shift @arg;
574		915
575	while (my ($name, $id) = each %cb_id) {	916	while (my ($name, $id) = each %cb_id) {
…		…
604	_attach $registry, $klass, @attach;	945	_attach $registry, $klass, @attach;
605	}	946	}
606		947
607	$obj->{$name} = \%arg;	948	$obj->{$name} = \%arg;
608	} else {	949	} else {
609	warn "object uses attachment '$name' that is not available, postponing.\n";	950	warn "object uses attachment '$name' which is not available, postponing.\n";
610	}	951	}
611		952
612	$obj->{_attachment}{$name} = undef;	953	$obj->{_attachment}{$name} = undef;
613	}	954	}
614		955
…		…
616	if (ref $_[0]) {	957	if (ref $_[0]) {
617	_object_attach @_;	958	_object_attach @_;
618	} else {	959	} else {
619	_attach shift->_attach_registry, @_;	960	_attach shift->_attach_registry, @_;
620	}	961	}
		962	_recalc_want;
621	};	963	};
622		964
623	# all those should be optimised	965	# all those should be optimised
624	sub cf::attachable::detach {	966	sub cf::attachable::detach {
625	my ($obj, $name) = @_;	967	my ($obj, $name) = @_;
…		…
628	delete $obj->{_attachment}{$name};	970	delete $obj->{_attachment}{$name};
629	reattach ($obj);	971	reattach ($obj);
630	} else {	972	} else {
631	Carp::croak "cannot, currently, detach class attachments";	973	Carp::croak "cannot, currently, detach class attachments";
632	}	974	}
		975	_recalc_want;
633	};	976	};
634		977
635	sub cf::attachable::attached {	978	sub cf::attachable::attached {
636	my ($obj, $name) = @_;	979	my ($obj, $name) = @_;
637		980
…		…
652	";	995	";
653	die if $@;	996	die if $@;
654	}	997	}
655		998
656	our $override;	999	our $override;
657	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1000	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
658		1001
659	sub override {	1002	sub override {
660	$override = 1;	1003	$override = 1;
661	@invoke_results = ();	1004	@INVOKE_RESULTS = (@_);
662	}	1005	}
663		1006
664	sub do_invoke {	1007	sub do_invoke {
665	my $event = shift;	1008	my $event = shift;
666	my $callbacks = shift;	1009	my $callbacks = shift;
667		1010
668	@invoke_results = ();	1011	@INVOKE_RESULTS = ();
669		1012
670	local $override;	1013	local $override;
671		1014
672	for (@$callbacks) {	1015	for (@$callbacks) {
673	eval { &{$_->[1]} };	1016	eval { &{$_->[1]} };
…		…
682	}	1025	}
683		1026
684	0	1027	0
685	}	1028	}
686		1029
687	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
688		1031
689	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
690		1033
691	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
692		1035
693	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1036	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
694	removed in future versions), and there is no public API to access override	1037	removed in future versions), and there is no public API to access override
695	results (if you must, access C<@cf::invoke_results> directly).	1038	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
696		1039
697	=back	1040	=back
698		1041
699	=cut	1042	=cut
700		1043
701	#############################################################################	1044	#############################################################################
702	# object support	1045	# object support
		1046
		1047	sub _object_equal($$);
		1048	sub _object_equal($$) {
		1049	my ($a, $b) = @_;
		1050
		1051	return 0 unless (ref $a) eq (ref $b);
		1052
		1053	if ("HASH" eq ref $a) {
		1054	my @ka = keys %$a;
		1055	my @kb = keys %$b;
		1056
		1057	return 0 if @ka != @kb;
		1058
		1059	for (0 .. $#ka) {
		1060	return 0 unless $ka[$_] eq $kb[$_];
		1061	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1062	}
		1063
		1064	} elsif ("ARRAY" eq ref $a) {
		1065
		1066	return 0 if @$a != @$b;
		1067
		1068	for (0 .. $#$a) {
		1069	return 0 unless _object_equal $a->[$_], $b->[$_];
		1070	}
		1071
		1072	} elsif ($a ne $b) {
		1073	return 0;
		1074	}
		1075
		1076	1
		1077	}
		1078
		1079	our $SLOW_MERGES;#d#
		1080	sub _can_merge {
		1081	my ($ob1, $ob2) = @_;
		1082
		1083	++$SLOW_MERGES;#d#
		1084
		1085	# we do the slow way here
		1086	return _object_equal $ob1, $ob2
		1087	}
703		1088
704	sub reattach {	1089	sub reattach {
705	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
706	my ($obj) = @_;	1091	my ($obj) = @_;
707		1092
		1093	# no longer needed after getting rid of delete_package?
708	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1094	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
709		1095
710	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
711		1097
712	@$registry = ();	1098	@$registry = ();
713		1099
…		…
728	cf::attachable->attach (	1114	cf::attachable->attach (
729	prio => -1000000,	1115	prio => -1000000,
730	on_instantiate => sub {	1116	on_instantiate => sub {
731	my ($obj, $data) = @_;	1117	my ($obj, $data) = @_;
732		1118
733	$data = from_json $data;	1119	$data = decode_json $data;
734		1120
735	for (@$data) {	1121	for (@$data) {
736	my ($name, $args) = @$_;	1122	my ($name, $args) = @$_;
737		1123
738	$obj->attach ($name, %{$args || {} });	1124	$obj->attach ($name, %{$args || {} });
…		…
754	sub object_freezer_save {	1140	sub object_freezer_save {
755	my ($filename, $rdata, $objs) = @_;	1141	my ($filename, $rdata, $objs) = @_;
756		1142
757	sync_job {	1143	sync_job {
758	if (length $$rdata) {	1144	if (length $$rdata) {
		1145	utf8::decode (my $decname = $filename);
759	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
760	$filename, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
761		1148
762	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
763	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
764	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
765	aio_fsync $fh if $cf::USE_FSYNC;	1152	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	1153	aio_close $fh;
767		1154
768	if (@$objs) {	1155	if (@$objs) {
769	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1156	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
770	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
771	my $data = Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
772	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1160	aio_fsync $fh if $cf::USE_FSYNC;
774	close $fh;	1161	aio_close $fh;
775	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
776	}	1163	}
777	} else {	1164	} else {
778	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
779	}	1166	}
780		1167
781	aio_rename "$filename~", $filename;	1168	aio_rename "$filename~", $filename;
		1169
		1170	$filename =~ s%/[^/]+$%%;
		1171	aio_pathsync $filename if $cf::USE_FSYNC;
782	} else {	1172	} else {
783	warn "FATAL: $filename~: $!\n";	1173	warn "FATAL: $filename~: $!\n";
784	}	1174	}
785	} else {	1175	} else {
786	aio_unlink $filename;	1176	aio_unlink $filename;
787	aio_unlink "$filename.pst";	1177	aio_unlink "$filename.pst";
788	}	1178	}
789
790	#d##TODO# nuke non .map-files if exist
791	if ($filename =~ s/\.map$//) {
792	aio_unlink $filename;
793	aio_unlink "$filename.pst";
794	}
795	}	1179	};
796	}	1180	}
797		1181
798	sub object_freezer_as_string {	1182	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1183	my ($rdata, $objs) = @_;
800		1184
…		…
805		1189
806	sub object_thawer_load {	1190	sub object_thawer_load {
807	my ($filename) = @_;	1191	my ($filename) = @_;
808		1192
809	my ($data, $av);	1193	my ($data, $av);
810
811	#d#TODO remove .map if file does not exist
812	aio_stat $filename and $filename =~ s/\.map$//;
813		1194
814	(aio_load $filename, $data) >= 0	1195	(aio_load $filename, $data) >= 0
815	or return;	1196	or return;
816		1197
817	unless (aio_stat "$filename.pst") {	1198	unless (aio_stat "$filename.pst") {
818	(aio_load "$filename.pst", $av) >= 0	1199	(aio_load "$filename.pst", $av) >= 0
819	or return;	1200	or return;
		1201
820	$av = eval { (Storable::thaw $av)->{objs} };	1202	my $st = eval { Coro::Storable::thaw $av };
		1203	$av = $st->{objs};
821	}	1204	}
822		1205
		1206	utf8::decode (my $decname = $filename);
823	warn sprintf "loading %s (%d)\n",	1207	warn sprintf "loading %s (%d,%d)\n",
824	$filename, length $data, scalar @{$av || []};#d#	1208	$decname, length $data, scalar @{$av || []};
		1209
825	return ($data, $av);	1210	($data, $av)
826	}	1211	}
		1212
		1213	=head2 COMMAND CALLBACKS
		1214
		1215	=over 4
		1216
		1217	=cut
827		1218
828	#############################################################################	1219	#############################################################################
829	# command handling &c	1220	# command handling &c
830		1221
831	=item cf::register_command $name => \&callback($ob,$args);	1222	=item cf::register_command $name => \&callback($ob,$args);
…		…
844	push @{ $COMMAND{$name} }, [$caller, $cb];	1235	push @{ $COMMAND{$name} }, [$caller, $cb];
845	}	1236	}
846		1237
847	=item cf::register_extcmd $name => \&callback($pl,$packet);	1238	=item cf::register_extcmd $name => \&callback($pl,$packet);
848		1239
849	Register a callbackf ro execution when the client sends an extcmd packet.	1240	Register a callback for execution when the client sends an (synchronous)
		1241	extcmd packet. Ext commands will be processed in the order they are
		1242	received by the server, like other user commands. The first argument is
		1243	the logged-in player. Ext commands can only be processed after a player
		1244	has logged in successfully.
850		1245
851	If the callback returns something, it is sent back as if reply was being	1246	If the callback returns something, it is sent back as if reply was being
852	called.	1247	called.
853		1248
		1249	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1250
		1251	Register a callback for execution when the client sends an (asynchronous)
		1252	exticmd packet. Exti commands are processed by the server as soon as they
		1253	are received, i.e. out of order w.r.t. other commands. The first argument
		1254	is a client socket. Exti commands can be received anytime, even before
		1255	log-in.
		1256
		1257	If the callback returns something, it is sent back as if reply was being
		1258	called.
		1259
854	=cut	1260	=cut
855		1261
856	sub register_extcmd {	1262	sub register_extcmd {
857	my ($name, $cb) = @_;	1263	my ($name, $cb) = @_;
858		1264
859	$EXTCMD{$name} = $cb;	1265	$EXTCMD{$name} = $cb;
860	}	1266	}
		1267
		1268	sub register_exticmd {
		1269	my ($name, $cb) = @_;
		1270
		1271	$EXTICMD{$name} = $cb;
		1272	}
		1273
		1274	use File::Glob ();
861		1275
862	cf::player->attach (	1276	cf::player->attach (
863	on_command => sub {	1277	on_command => sub {
864	my ($pl, $name, $params) = @_;	1278	my ($pl, $name, $params) = @_;
865		1279
…		…
873	cf::override;	1287	cf::override;
874	},	1288	},
875	on_extcmd => sub {	1289	on_extcmd => sub {
876	my ($pl, $buf) = @_;	1290	my ($pl, $buf) = @_;
877		1291
878	my $msg = eval { from_json $buf };	1292	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
879		1293
880	if (ref $msg) {	1294	if (ref $msg) {
		1295	my ($type, $reply, @payload) =
		1296	"ARRAY" eq ref $msg
		1297	? @$msg
		1298	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1299
		1300	my @reply;
		1301
881	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1302	if (my $cb = $EXTCMD{$type}) {
882	if (my %reply = $cb->($pl, $msg)) {	1303	@reply = $cb->($pl, @payload);
883	$pl->ext_reply ($msg->{msgid}, %reply);
884	}
885	}	1304	}
		1305
		1306	$pl->ext_reply ($reply, @reply)
		1307	if $reply;
		1308
886	} else {	1309	} else {
887	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1310	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
888	}	1311	}
889		1312
890	cf::override;	1313	cf::override;
891	},	1314	},
892	);	1315	);
893		1316
		1317	# "readahead" all extensions
894	sub load_extension {	1318	sub cache_extensions {
895	my ($path) = @_;	1319	my $grp = IO::AIO::aio_group;
896		1320
897	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1321	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
898	my $base = $1;	1322	for (grep /\.ext$/, @{$_[0]}) {
899	my $pkg = $1;	1323	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
900	$pkg =~ s/[^[:word:]]/_/g;
901	$pkg = "ext::$pkg";
902
903	warn "... loading '$path' into '$pkg'\n";
904
905	open my $fh, "<:utf8", $path
906	or die "$path: $!";
907
908	my $source =
909	"package $pkg; use strict; use utf8;\n"
910	. "#line 1 \"$path\"\n{\n"
911	. (do { local $/; <$fh> })
912	. "\n};\n1";
913
914	unless (eval $source) {
915	my $msg = $@ ? "$path: $@\n"
916	: "extension disabled.\n";
917	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
918	warn $@;
919	warn "mandatory extension failed to load, exiting.\n";
920	exit 1;
921	}	1324	}
922	die $@;
923	}	1325	};
924		1326
925	push @EXTS, $pkg;	1327	$grp
926	}	1328	}
927		1329
928	sub load_extensions {	1330	sub load_extensions {
		1331	cf::sync_job {
		1332	my %todo;
		1333
929	for my $ext (<$LIBDIR/*.ext>) {	1334	for my $path (<$LIBDIR/*.ext>) {
930	next unless -r $ext;	1335	next unless -r $path;
931	eval {	1336
932	load_extension $ext;	1337	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1338	my $base = $1;
		1339	my $pkg = $1;
		1340	$pkg =~ s/[^[:word:]]/_/g;
		1341	$pkg = "ext::$pkg";
		1342
		1343	open my $fh, "<:utf8", $path
		1344	or die "$path: $!";
		1345
		1346	my $source = do { local $/; <$fh> };
		1347
		1348	my %ext = (
		1349	path => $path,
		1350	base => $base,
		1351	pkg => $pkg,
		1352	);
		1353
		1354	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1355	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1356
		1357	$ext{source} =
		1358	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1359	. "#line 1 \"$path\"\n{\n"
		1360	. $source
		1361	. "\n};\n1";
		1362
		1363	$todo{$base} = \%ext;
		1364	}
		1365
		1366	my %done;
		1367	while (%todo) {
		1368	my $progress;
		1369
		1370	while (my ($k, $v) = each %todo) {
		1371	for (split /,\s*/, $v->{meta}{depends}) {
		1372	goto skip
		1373	unless exists $done{$_};
		1374	}
		1375
		1376	warn "... loading '$k' into '$v->{pkg}'\n";
		1377
		1378	unless (eval $v->{source}) {
		1379	my $msg = $@ ? "$v->{path}: $@\n"
		1380	: "$v->{base}: extension inactive.\n";
		1381
		1382	if (exists $v->{meta}{mandatory}) {
		1383	warn $msg;
		1384	cf::cleanup "mandatory extension failed to load, exiting.";
		1385	}
		1386
		1387	warn $msg;
		1388	}
		1389
		1390	$done{$k} = delete $todo{$k};
		1391	push @EXTS, $v->{pkg};
		1392	$progress = 1;
933	1	1393	}
934	} or warn "$ext not loaded: $@";	1394
		1395	skip:
		1396	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1397	unless $progress;
		1398	}
935	}	1399	};
936	}	1400	}
937		1401
938	#############################################################################	1402	#############################################################################
939		1403
		1404	=back
		1405
940	=head2 CORE EXTENSIONS	1406	=head2 CORE EXTENSIONS
941		1407
942	Functions and methods that extend core crossfire objects.	1408	Functions and methods that extend core deliantra objects.
943		1409
944	=cut	1410	=cut
945		1411
946	package cf::player;	1412	package cf::player;
947		1413
…		…
949		1415
950	=head3 cf::player	1416	=head3 cf::player
951		1417
952	=over 4	1418	=over 4
953		1419
		1420	=item cf::player::num_playing
		1421
		1422	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1423
		1424	=cut
		1425
		1426	sub num_playing {
		1427	scalar grep
		1428	$_->ob->map
		1429	&& !$_->hidden
		1430	&& !$_->ob->flag (cf::FLAG_WIZ),
		1431	cf::player::list
		1432	}
		1433
954	=item cf::player::find $login	1434	=item cf::player::find $login
955		1435
956	Returns the given player object, loading it if necessary (might block).	1436	Returns the given player object, loading it if necessary (might block).
957		1437
958	=cut	1438	=cut
959		1439
960	sub playerdir($) {	1440	sub playerdir($) {
961	cf::localdir	1441	"$PLAYERDIR/"
962	. "/"
963	. cf::playerdir
964	. "/"
965	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1442	. (ref $_[0] ? $_[0]->ob->name : $_[0])
966	}	1443	}
967		1444
968	sub path($) {	1445	sub path($) {
969	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1446	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
970		1447
971	(playerdir $login) . "/$login.pl"	1448	(playerdir $login) . "/playerdata"
972	}	1449	}
973		1450
974	sub find_active($) {	1451	sub find_active($) {
975	$cf::PLAYER{$_[0]}	1452	$cf::PLAYER{$_[0]}
976	and $cf::PLAYER{$_[0]}->active	1453	and $cf::PLAYER{$_[0]}->active
…		…
979		1456
980	sub exists($) {	1457	sub exists($) {
981	my ($login) = @_;	1458	my ($login) = @_;
982		1459
983	$cf::PLAYER{$login}	1460	$cf::PLAYER{$login}
984	or cf::sync_job { !aio_stat path $login }	1461	or !aio_stat path $login
985	}	1462	}
986		1463
987	sub find($) {	1464	sub find($) {
988	return $cf::PLAYER{$_[0]} || do {	1465	return $cf::PLAYER{$_[0]} || do {
989	my $login = $_[0];	1466	my $login = $_[0];
990		1467
991	my $guard = cf::lock_acquire "user_find:$login";	1468	my $guard = cf::lock_acquire "user_find:$login";
992		1469
993	$cf::PLAYER{$_[0]} || do {	1470	$cf::PLAYER{$_[0]} || do {
994	my $pl = load_pl path $login	1471	# rename old playerfiles to new ones
		1472	#TODO: remove when no longer required
		1473	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1474	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1475	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1476	aio_unlink +(playerdir $login) . "/$login.pl";
		1477
		1478	my $f = new_from_file cf::object::thawer path $login
995	or return;	1479	or return;
		1480
		1481	my $pl = cf::player::load_pl $f
		1482	or return;
		1483
		1484	local $cf::PLAYER_LOADING{$login} = $pl;
		1485	$f->resolve_delayed_derefs;
996	$cf::PLAYER{$login} = $pl	1486	$cf::PLAYER{$login} = $pl
997	}	1487	}
998	}	1488	}
999	}	1489	}
1000		1490
…		…
1009	return if $pl->{deny_save};	1499	return if $pl->{deny_save};
1010		1500
1011	aio_mkdir playerdir $pl, 0770;	1501	aio_mkdir playerdir $pl, 0770;
1012	$pl->{last_save} = $cf::RUNTIME;	1502	$pl->{last_save} = $cf::RUNTIME;
1013		1503
		1504	cf::get_slot 0.01;
		1505
1014	$pl->save_pl ($path);	1506	$pl->save_pl ($path);
1015	Coro::cede;	1507	cf::cede_to_tick;
1016	}	1508	}
1017		1509
1018	sub new($) {	1510	sub new($) {
1019	my ($login) = @_;	1511	my ($login) = @_;
1020		1512
…		…
1026	$cf::PLAYER{$login} = $self;	1518	$cf::PLAYER{$login} = $self;
1027		1519
1028	$self	1520	$self
1029	}	1521	}
1030		1522
		1523	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1524
		1525	=cut
		1526
		1527	sub send_msg {
		1528	my $ns = shift->ns
		1529	or return;
		1530	$ns->send_msg (@_);
		1531	}
		1532
1031	=item $pl->quit_character	1533	=item $pl->quit_character
1032		1534
1033	Nukes the player without looking back. If logged in, the connection will	1535	Nukes the player without looking back. If logged in, the connection will
1034	be destroyed. May block for a long time.	1536	be destroyed. May block for a long time.
1035		1537
1036	=cut	1538	=cut
1037		1539
1038	sub quit_character {	1540	sub quit_character {
1039	my ($pl) = @_;	1541	my ($pl) = @_;
1040		1542
		1543	my $name = $pl->ob->name;
		1544
1041	$pl->{deny_save} = 1;	1545	$pl->{deny_save} = 1;
1042	$pl->password ("*"); # this should lock out the player until we nuked the dir	1546	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1043		1547
1044	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1548	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1045	$pl->deactivate;	1549	$pl->deactivate;
		1550	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1551	$pl->ob->check_score;
1046	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1552	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1047	$pl->ns->destroy if $pl->ns;	1553	$pl->ns->destroy if $pl->ns;
1048		1554
1049	my $path = playerdir $pl;	1555	my $path = playerdir $pl;
1050	my $temp = "$path~$cf::RUNTIME~deleting~";	1556	my $temp = "$path~$cf::RUNTIME~deleting~";
1051	aio_rename $path, $temp;	1557	aio_rename $path, $temp;
1052	delete $cf::PLAYER{$pl->ob->name};	1558	delete $cf::PLAYER{$pl->ob->name};
1053	$pl->destroy;	1559	$pl->destroy;
		1560
		1561	my $prefix = qr<^~\Q$name\E/>;
		1562
		1563	# nuke player maps
		1564	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1565
1054	IO::AIO::aio_rmtree $temp;	1566	IO::AIO::aio_rmtree $temp;
		1567	}
		1568
		1569	=item $pl->kick
		1570
		1571	Kicks a player out of the game. This destroys the connection.
		1572
		1573	=cut
		1574
		1575	sub kick {
		1576	my ($pl, $kicker) = @_;
		1577
		1578	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1579	$pl->killer ("kicked");
		1580	$pl->ns->destroy;
1055	}	1581	}
1056		1582
1057	=item cf::player::list_logins	1583	=item cf::player::list_logins
1058		1584
1059	Returns am arrayref of all valid playernames in the system, can take a	1585	Returns am arrayref of all valid playernames in the system, can take a
1060	while and may block, so not sync_job-capable, ever.	1586	while and may block, so not sync_job-capable, ever.
1061		1587
1062	=cut	1588	=cut
1063		1589
1064	sub list_logins {	1590	sub list_logins {
1065	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1591	my $dirs = aio_readdir $PLAYERDIR
1066	or return [];	1592	or return [];
1067		1593
1068	my @logins;	1594	my @logins;
1069		1595
1070	for my $login (@$dirs) {	1596	for my $login (@$dirs) {
		1597	my $path = path $login;
		1598
		1599	# a .pst is a dead give-away for a valid player
		1600	# if no pst file found, open and chekc for blocked users
		1601	if (aio_stat "$path.pst") {
1071	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1602	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1072	aio_read $fh, 0, 512, my $buf, 0 or next;	1603	aio_read $fh, 0, 512, my $buf, 0 or next;
1073	$buf !~ /^password -------------$/m or next; # official not-valid tag	1604	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1605	}
1074		1606
1075	utf8::decode $login;	1607	utf8::decode $login;
1076	push @logins, $login;	1608	push @logins, $login;
1077	}	1609	}
1078		1610
…		…
1105	}	1637	}
1106		1638
1107	\@paths	1639	\@paths
1108	}	1640	}
1109		1641
		1642	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1643
		1644	Expand deliantra pod fragments into protocol xml.
		1645
1110	=item $player->ext_reply ($msgid, $msgtype, %msg)	1646	=item $player->ext_reply ($msgid, @msg)
1111		1647
1112	Sends an ext reply to the player.	1648	Sends an ext reply to the player.
1113		1649
1114	=cut	1650	=cut
1115		1651
1116	sub ext_reply($$$%) {	1652	sub ext_reply($$@) {
1117	my ($self, $id, %msg) = @_;	1653	my ($self, $id, @msg) = @_;
1118		1654
1119	$msg{msgid} = $id;	1655	$self->ns->ext_reply ($id, @msg)
1120
1121	$self->send ("ext " . cf::to_json \%msg);
1122	}	1656	}
1123		1657
1124	package cf;	1658	=item $player->ext_msg ($type, @msg)
		1659
		1660	Sends an ext event to the client.
		1661
		1662	=cut
		1663
		1664	sub ext_msg($$@) {
		1665	my ($self, $type, @msg) = @_;
		1666
		1667	$self->ns->ext_msg ($type, @msg);
		1668	}
		1669
		1670	=head3 cf::region
		1671
		1672	=over 4
		1673
		1674	=cut
		1675
		1676	package cf::region;
		1677
		1678	=item cf::region::find_by_path $path
		1679
		1680	Tries to decuce the likely region for a map knowing only its path.
		1681
		1682	=cut
		1683
		1684	sub find_by_path($) {
		1685	my ($path) = @_;
		1686
		1687	my ($match, $specificity);
		1688
		1689	for my $region (list) {
		1690	if ($region->{match} && $path =~ $region->{match}) {
		1691	($match, $specificity) = ($region, $region->specificity)
		1692	if $region->specificity > $specificity;
		1693	}
		1694	}
		1695
		1696	$match
		1697	}
1125		1698
1126	=back	1699	=back
1127
1128		1700
1129	=head3 cf::map	1701	=head3 cf::map
1130		1702
1131	=over 4	1703	=over 4
1132		1704
…		…
1144	our $MAX_RESET = 3600;	1716	our $MAX_RESET = 3600;
1145	our $DEFAULT_RESET = 3000;	1717	our $DEFAULT_RESET = 3000;
1146		1718
1147	sub generate_random_map {	1719	sub generate_random_map {
1148	my ($self, $rmp) = @_;	1720	my ($self, $rmp) = @_;
		1721
		1722	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1723
1149	# mit "rum" bekleckern, nicht	1724	# mit "rum" bekleckern, nicht
1150	$self->_create_random_map (	1725	$self->_create_random_map (
1151	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1726	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1152	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1727	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1153	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1728	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1187	my ($self, $merge) = @_;	1762	my ($self, $merge) = @_;
1188		1763
1189	# we have to keep some variables in memory intact	1764	# we have to keep some variables in memory intact
1190	local $self->{path};	1765	local $self->{path};
1191	local $self->{load_path};	1766	local $self->{load_path};
1192	local $self->{deny_save};
1193	local $self->{deny_reset};
1194		1767
1195	$self->SUPER::thawer_merge ($merge);	1768	$self->SUPER::thawer_merge ($merge);
1196	}	1769	}
1197		1770
1198	sub normalise {	1771	sub normalise {
…		…
1245	$self->init; # pass $1 etc.	1818	$self->init; # pass $1 etc.
1246	return $self;	1819	return $self;
1247	}	1820	}
1248	}	1821	}
1249		1822
1250	Carp::carp "unable to resolve path '$path' (base '$base').";	1823	Carp::cluck "unable to resolve path '$path' (base '$base').";
1251	()	1824	()
1252	}	1825	}
1253		1826
1254	sub init {	1827	sub init {
1255	my ($self) = @_;	1828	my ($self) = @_;
…		…
1270		1843
1271	# the original (read-only) location	1844	# the original (read-only) location
1272	sub load_path {	1845	sub load_path {
1273	my ($self) = @_;	1846	my ($self) = @_;
1274		1847
1275	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1848	"$MAPDIR/$self->{path}.map"
1276	}	1849	}
1277		1850
1278	# the temporary/swap location	1851	# the temporary/swap location
1279	sub save_path {	1852	sub save_path {
1280	my ($self) = @_;	1853	my ($self) = @_;
1281		1854
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1855	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1283	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1856	"$TMPDIR/$path.map"
1284	}	1857	}
1285		1858
1286	# the unique path, undef == no special unique path	1859	# the unique path, undef == no special unique path
1287	sub uniq_path {	1860	sub uniq_path {
1288	my ($self) = @_;	1861	my ($self) = @_;
1289		1862
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1291	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1864	"$UNIQUEDIR/$path"
1292	}	1865	}
1293		1866
1294	# and all this just because we cannot iterate over	1867	# and all this just because we cannot iterate over
1295	# all maps in C++...	1868	# all maps in C++...
1296	sub change_all_map_light {	1869	sub change_all_map_light {
…		…
1298		1871
1299	$_->change_map_light ($change)	1872	$_->change_map_light ($change)
1300	for grep $_->outdoor, values %cf::MAP;	1873	for grep $_->outdoor, values %cf::MAP;
1301	}	1874	}
1302		1875
		1876	sub decay_objects {
		1877	my ($self) = @_;
		1878
		1879	return if $self->{deny_reset};
		1880
		1881	$self->do_decay_objects;
		1882	}
		1883
1303	sub unlink_save {	1884	sub unlink_save {
1304	my ($self) = @_;	1885	my ($self) = @_;
1305		1886
1306	utf8::encode (my $save = $self->save_path);	1887	utf8::encode (my $save = $self->save_path);
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1888	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1889	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1309
1310	#d#TODO remove .map and also nuke
1311	$save =~ s/\.map// or return;#d#
1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1314	}	1890	}
1315		1891
1316	sub load_header_from($) {	1892	sub load_header_from($) {
1317	my ($self, $path) = @_;	1893	my ($self, $path) = @_;
1318		1894
1319	utf8::encode $path;	1895	utf8::encode $path;
1320	#aio_open $path, O_RDONLY, 0	1896	my $f = new_from_file cf::object::thawer $path
1321	# or return;
1322
1323	$self->_load_header ($path)
1324	or return;	1897	or return;
		1898
		1899	$self->_load_header ($f)
		1900	or return;
		1901
		1902	local $MAP_LOADING{$self->{path}} = $self;
		1903	$f->resolve_delayed_derefs;
1325		1904
1326	$self->{load_path} = $path;	1905	$self->{load_path} = $path;
1327		1906
1328	1	1907	1
1329	}	1908	}
…		…
1368	$self->load_header_orig	1947	$self->load_header_orig
1369	or return;	1948	or return;
1370	$self->prepare_orig;	1949	$self->prepare_orig;
1371	}	1950	}
1372		1951
		1952	$self->{deny_reset} = 1
		1953	if $self->no_reset;
		1954
		1955	$self->default_region (cf::region::find_by_path $self->{path})
		1956	unless $self->default_region;
		1957
1373	1	1958	1
1374	}	1959	}
1375		1960
1376	sub find;	1961	sub find;
1377	sub find {	1962	sub find {
1378	my ($path, $origin) = @_;	1963	my ($path, $origin) = @_;
1379		1964
1380	$path = normalise $path, $origin && $origin->path;	1965	$path = normalise $path, $origin && $origin->path;
1381		1966
		1967	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1382	cf::lock_wait "map_find:$path";	1968	my $guard2 = cf::lock_acquire "map_find:$path";
1383		1969
1384	$cf::MAP{$path} || do {	1970	$cf::MAP{$path} || do {
1385	my $guard = cf::lock_acquire "map_find:$path";
1386	my $map = new_from_path cf::map $path	1971	my $map = new_from_path cf::map $path
1387	or return;	1972	or return;
1388		1973
1389	$map->{last_save} = $cf::RUNTIME;	1974	$map->{last_save} = $cf::RUNTIME;
1390		1975
1391	$map->load_header	1976	$map->load_header
1392	or return;	1977	or return;
1393		1978
1394	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1979	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1395	# doing this can freeze the server in a sync job, obviously	1980	# doing this can freeze the server in a sync job, obviously
1396	#$cf::WAIT_FOR_TICK->wait;	1981	#$cf::WAIT_FOR_TICK->wait;
		1982	undef $guard2;
		1983	undef $guard1;
1397	$map->reset;	1984	$map->reset;
1398	undef $guard;
1399	return find $path;	1985	return find $path;
1400	}	1986	}
1401		1987
1402	$cf::MAP{$path} = $map	1988	$cf::MAP{$path} = $map
1403	}	1989	}
…		…
1410	my ($self) = @_;	1996	my ($self) = @_;
1411		1997
1412	local $self->{deny_reset} = 1; # loading can take a long time	1998	local $self->{deny_reset} = 1; # loading can take a long time
1413		1999
1414	my $path = $self->{path};	2000	my $path = $self->{path};
		2001
		2002	{
1415	my $guard = cf::lock_acquire "map_load:$path";	2003	my $guard = cf::lock_acquire "map_data:$path";
1416		2004
		2005	return unless $self->valid;
1417	return if $self->in_memory != cf::MAP_SWAPPED;	2006	return unless $self->in_memory == cf::MAP_SWAPPED;
1418		2007
1419	$self->in_memory (cf::MAP_LOADING);	2008	$self->in_memory (cf::MAP_LOADING);
1420		2009
1421	$self->alloc;	2010	$self->alloc;
1422		2011
1423	$self->pre_load;	2012	$self->pre_load;
		2013	cf::cede_to_tick;
1424		2014
1425	$self->_load_objects ($self->{load_path}, 1)	2015	my $f = new_from_file cf::object::thawer $self->{load_path};
		2016	$f->skip_block;
		2017	$self->_load_objects ($f)
1426	or return;	2018	or return;
1427		2019
1428	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2020	$self->post_load_original
1429	if delete $self->{load_original};	2021	if delete $self->{load_original};
1430		2022
1431	if (my $uniq = $self->uniq_path) {	2023	if (my $uniq = $self->uniq_path) {
1432	utf8::encode $uniq;	2024	utf8::encode $uniq;
1433	if (aio_open $uniq, O_RDONLY, 0) {	2025	unless (aio_stat $uniq) {
		2026	if (my $f = new_from_file cf::object::thawer $uniq) {
1434	$self->clear_unique_items;	2027	$self->clear_unique_items;
1435	$self->_load_objects ($uniq, 0);	2028	$self->_load_objects ($f);
		2029	$f->resolve_delayed_derefs;
		2030	}
1436	}	2031	}
1437	}	2032	}
1438		2033
1439	Coro::cede;	2034	$f->resolve_delayed_derefs;
1440		2035
		2036	cf::cede_to_tick;
1441	# now do the right thing for maps	2037	# now do the right thing for maps
1442	$self->link_multipart_objects;	2038	$self->link_multipart_objects;
1443
1444	unless ($self->{deny_activate}) {
1445	$self->decay_objects;
1446	$self->fix_auto_apply;
1447	$self->update_buttons;
1448	Coro::cede;
1449	$self->set_darkness_map;
1450	$self->difficulty ($self->estimate_difficulty)	2039	$self->difficulty ($self->estimate_difficulty)
1451	unless $self->difficulty;	2040	unless $self->difficulty;
1452	Coro::cede;	2041	cf::cede_to_tick;
		2042
		2043	unless ($self->{deny_activate}) {
		2044	$self->decay_objects;
		2045	$self->fix_auto_apply;
		2046	$self->update_buttons;
		2047	cf::cede_to_tick;
		2048	$self->set_darkness_map;
		2049	cf::cede_to_tick;
1453	$self->activate;	2050	$self->activate;
		2051	}
		2052
		2053	$self->{last_save} = $cf::RUNTIME;
		2054	$self->last_access ($cf::RUNTIME);
		2055
		2056	$self->in_memory (cf::MAP_ACTIVE);
1454	}	2057	}
1455		2058
1456	$self->post_load;	2059	$self->post_load;
1457
1458	$self->in_memory (cf::MAP_IN_MEMORY);
1459	}	2060	}
1460		2061
1461	sub customise_for {	2062	sub customise_for {
1462	my ($self, $ob) = @_;	2063	my ($self, $ob) = @_;
1463		2064
1464	return find "~" . $ob->name . "/" . $self->{path}	2065	return find "~" . $ob->name . "/" . $self->{path}
1465	if $self->per_player;	2066	if $self->per_player;
1466		2067
		2068	# return find "?party/" . $ob->name . "/" . $self->{path}
		2069	# if $self->per_party;
		2070
1467	$self	2071	$self
1468	}	2072	}
1469		2073
1470	# find and load all maps in the 3x3 area around a map	2074	# find and load all maps in the 3x3 area around a map
1471	sub load_diag {	2075	sub load_neighbours {
1472	my ($map) = @_;	2076	my ($map) = @_;
1473		2077
1474	my @diag; # diagonal neighbours	2078	my @neigh; # diagonal neighbours
1475		2079
1476	for (0 .. 3) {	2080	for (0 .. 3) {
1477	my $neigh = $map->tile_path ($_)	2081	my $neigh = $map->tile_path ($_)
1478	or next;	2082	or next;
1479	$neigh = find $neigh, $map	2083	$neigh = find $neigh, $map
1480	or next;	2084	or next;
1481	$neigh->load;	2085	$neigh->load;
1482		2086
		2087	push @neigh,
1483	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2088	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1484	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2089	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1485	}	2090	}
1486		2091
1487	for (@diag) {	2092	for (grep defined $_->[0], @neigh) {
		2093	my ($path, $origin) = @$_;
1488	my $neigh = find @$_	2094	my $neigh = find $path, $origin
1489	or next;	2095	or next;
1490	$neigh->load;	2096	$neigh->load;
1491	}	2097	}
1492	}	2098	}
1493		2099
…		…
1498	}	2104	}
1499		2105
1500	sub do_load_sync {	2106	sub do_load_sync {
1501	my ($map) = @_;	2107	my ($map) = @_;
1502		2108
		2109	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2110	if $Coro::current == $Coro::main;
		2111
1503	cf::sync_job { $map->load };	2112	cf::sync_job { $map->load };
1504	}	2113	}
1505		2114
1506	our %MAP_PREFETCH;	2115	our %MAP_PREFETCH;
1507	our $MAP_PREFETCHER = undef;	2116	our $MAP_PREFETCHER = undef;
1508		2117
1509	sub find_async {	2118	sub find_async {
1510	my ($path, $origin) = @_;	2119	my ($path, $origin, $load) = @_;
1511		2120
1512	$path = normalise $path, $origin && $origin->{path};	2121	$path = normalise $path, $origin && $origin->{path};
1513		2122
1514	if (my $map = $cf::MAP{$path}) {	2123	if (my $map = $cf::MAP{$path}) {
1515	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2124	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1516	}	2125	}
1517		2126
1518	undef $MAP_PREFETCH{$path};	2127	$MAP_PREFETCH{$path} |= $load;
		2128
1519	$MAP_PREFETCHER ||= cf::async {	2129	$MAP_PREFETCHER ||= cf::async {
		2130	$Coro::current->{desc} = "map prefetcher";
		2131
1520	while (%MAP_PREFETCH) {	2132	while (%MAP_PREFETCH) {
1521	for my $path (keys %MAP_PREFETCH) {	2133	while (my ($k, $v) = each %MAP_PREFETCH) {
1522	my $map = find $path	2134	if (my $map = find $k) {
1523	or next;
1524	$map->load;	2135	$map->load if $v;
		2136	}
1525		2137
1526	delete $MAP_PREFETCH{$path};	2138	delete $MAP_PREFETCH{$k};
1527	}	2139	}
1528	}	2140	}
1529	undef $MAP_PREFETCHER;	2141	undef $MAP_PREFETCHER;
1530	};	2142	};
1531	$MAP_PREFETCHER->prio (6);	2143	$MAP_PREFETCHER->prio (6);
…		…
1534	}	2146	}
1535		2147
1536	sub save {	2148	sub save {
1537	my ($self) = @_;	2149	my ($self) = @_;
1538		2150
1539	my $lock = cf::lock_acquire "map_data:" . $self->path;	2151	my $lock = cf::lock_acquire "map_data:$self->{path}";
1540		2152
1541	$self->{last_save} = $cf::RUNTIME;	2153	$self->{last_save} = $cf::RUNTIME;
1542		2154
1543	return unless $self->dirty;	2155	return unless $self->dirty;
1544		2156
…		…
1550	return if $self->{deny_save};	2162	return if $self->{deny_save};
1551		2163
1552	local $self->{last_access} = $self->last_access;#d#	2164	local $self->{last_access} = $self->last_access;#d#
1553		2165
1554	cf::async {	2166	cf::async {
		2167	$Coro::current->{desc} = "map player save";
1555	$_->contr->save for $self->players;	2168	$_->contr->save for $self->players;
1556	};	2169	};
		2170
		2171	cf::get_slot 0.02;
1557		2172
1558	if ($uniq) {	2173	if ($uniq) {
1559	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2174	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1560	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2175	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1561	} else {	2176	} else {
…		…
1567	my ($self) = @_;	2182	my ($self) = @_;
1568		2183
1569	# save first because save cedes	2184	# save first because save cedes
1570	$self->save;	2185	$self->save;
1571		2186
1572	my $lock = cf::lock_acquire "map_data:" . $self->path;	2187	my $lock = cf::lock_acquire "map_data:$self->{path}";
1573		2188
1574	return if $self->players;	2189	return if $self->players;
1575	return if $self->in_memory != cf::MAP_IN_MEMORY;	2190	return if $self->in_memory != cf::MAP_ACTIVE;
1576	return if $self->{deny_save};	2191	return if $self->{deny_save};
1577		2192
		2193	$self->in_memory (cf::MAP_SWAPPED);
		2194
		2195	$self->deactivate;
		2196	$_->clear_links_to ($self) for values %cf::MAP;
1578	$self->clear;	2197	$self->clear;
1579	$self->in_memory (cf::MAP_SWAPPED);
1580	}	2198	}
1581		2199
1582	sub reset_at {	2200	sub reset_at {
1583	my ($self) = @_;	2201	my ($self) = @_;
1584		2202
1585	# TODO: safety, remove and allow resettable per-player maps	2203	# TODO: safety, remove and allow resettable per-player maps
1586	return 1e99 if $self->isa ("ext::map_per_player");#d#
1587	return 1e99 if $self->{deny_reset};	2204	return 1e99 if $self->{deny_reset};
1588		2205
1589	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2206	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1590	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2207	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1591		2208
…		…
1602	my ($self) = @_;	2219	my ($self) = @_;
1603		2220
1604	my $lock = cf::lock_acquire "map_data:$self->{path}";	2221	my $lock = cf::lock_acquire "map_data:$self->{path}";
1605		2222
1606	return if $self->players;	2223	return if $self->players;
1607	return if $self->isa ("ext::map_per_player");#d#
1608		2224
1609	warn "resetting map ", $self->path;#d#	2225	warn "resetting map ", $self->path;
		2226
		2227	$self->in_memory (cf::MAP_SWAPPED);
		2228
		2229	# need to save uniques path
		2230	unless ($self->{deny_save}) {
		2231	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2232
		2233	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2234	if $uniq;
		2235	}
1610		2236
1611	delete $cf::MAP{$self->path};	2237	delete $cf::MAP{$self->path};
1612		2238
1613	$self->in_memory (cf::MAP_SWAPPED);	2239	$self->deactivate;
		2240	$_->clear_links_to ($self) for values %cf::MAP;
1614	$self->clear;	2241	$self->clear;
1615
1616	$_->clear_links_to ($self) for values %cf::MAP;
1617		2242
1618	$self->unlink_save;	2243	$self->unlink_save;
1619	$self->destroy;	2244	$self->destroy;
1620	}	2245	}
1621		2246
1622	my $nuke_counter = "aaaa";	2247	my $nuke_counter = "aaaa";
1623		2248
1624	sub nuke {	2249	sub nuke {
1625	my ($self) = @_;	2250	my ($self) = @_;
1626		2251
		2252	{
		2253	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2254
1627	delete $cf::MAP{$self->path};	2255	delete $cf::MAP{$self->path};
1628		2256
1629	$self->unlink_save;	2257	$self->unlink_save;
1630		2258
1631	bless $self, "cf::map";	2259	bless $self, "cf::map";
1632	delete $self->{deny_reset};	2260	delete $self->{deny_reset};
1633	$self->{deny_save} = 1;	2261	$self->{deny_save} = 1;
1634	$self->reset_timeout (1);	2262	$self->reset_timeout (1);
1635	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2263	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1636		2264
1637	$cf::MAP{$self->path} = $self;	2265	$cf::MAP{$self->path} = $self;
		2266	}
1638		2267
1639	$self->reset; # polite request, might not happen	2268	$self->reset; # polite request, might not happen
		2269	}
		2270
		2271	=item $maps = cf::map::tmp_maps
		2272
		2273	Returns an arrayref with all map paths of currently instantiated and saved
		2274	maps. May block.
		2275
		2276	=cut
		2277
		2278	sub tmp_maps() {
		2279	[
		2280	map {
		2281	utf8::decode $_;
		2282	/\.map$/
		2283	? normalise $_
		2284	: ()
		2285	} @{ aio_readdir $TMPDIR or [] }
		2286	]
		2287	}
		2288
		2289	=item $maps = cf::map::random_maps
		2290
		2291	Returns an arrayref with all map paths of currently instantiated and saved
		2292	random maps. May block.
		2293
		2294	=cut
		2295
		2296	sub random_maps() {
		2297	[
		2298	map {
		2299	utf8::decode $_;
		2300	/\.map$/
		2301	? normalise "?random/$_"
		2302	: ()
		2303	} @{ aio_readdir $RANDOMDIR or [] }
		2304	]
1640	}	2305	}
1641		2306
1642	=item cf::map::unique_maps	2307	=item cf::map::unique_maps
1643		2308
1644	Returns an arrayref of paths of all shared maps that have	2309	Returns an arrayref of paths of all shared maps that have
1645	instantiated unique items. May block.	2310	instantiated unique items. May block.
1646		2311
1647	=cut	2312	=cut
1648		2313
1649	sub unique_maps() {	2314	sub unique_maps() {
1650	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2315	[
1651	or return;	2316	map {
1652
1653	my @paths;
1654
1655	for (@$files) {
1656	utf8::decode $_;	2317	utf8::decode $_;
1657	next if /\.pst$/;	2318	s/\.map$//; # TODO future compatibility hack
1658	next unless /^$PATH_SEP/o;	2319	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1659		2320	? ()
1660	push @paths, cf::map::normalise $_;	2321	: normalise $_
		2322	} @{ aio_readdir $UNIQUEDIR or [] }
1661	}	2323	]
1662
1663	\@paths
1664	}	2324	}
1665
1666	package cf;
1667		2325
1668	=back	2326	=back
1669		2327
1670	=head3 cf::object	2328	=head3 cf::object
1671		2329
…		…
1675		2333
1676	=over 4	2334	=over 4
1677		2335
1678	=item $ob->inv_recursive	2336	=item $ob->inv_recursive
1679		2337
1680	Returns the inventory of the object _and_ their inventories, recursively.	2338	Returns the inventory of the object I<and> their inventories, recursively,
		2339	but I<not> the object itself.
1681		2340
1682	=cut	2341	=cut
1683		2342
1684	sub inv_recursive_;	2343	sub inv_recursive_;
1685	sub inv_recursive_ {	2344	sub inv_recursive_ {
…		…
1688		2347
1689	sub inv_recursive {	2348	sub inv_recursive {
1690	inv_recursive_ inv $_[0]	2349	inv_recursive_ inv $_[0]
1691	}	2350	}
1692		2351
		2352	=item $ref = $ob->ref
		2353
		2354	Creates and returns a persistent reference to an object that can be stored as a string.
		2355
		2356	=item $ob = cf::object::deref ($refstring)
		2357
		2358	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2359	even if the object actually exists. May block.
		2360
		2361	=cut
		2362
		2363	sub deref {
		2364	my ($ref) = @_;
		2365
		2366	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2367	my ($uuid, $name) = ($1, $2);
		2368	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2369	or return;
		2370	$pl->ob->uuid eq $uuid
		2371	or return;
		2372
		2373	$pl->ob
		2374	} else {
		2375	warn "$ref: cannot resolve object reference\n";
		2376	undef
		2377	}
		2378	}
		2379
1693	package cf;	2380	package cf;
1694		2381
1695	=back	2382	=back
1696		2383
1697	=head3 cf::object::player	2384	=head3 cf::object::player
…		…
1703	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2390	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1704	can be C<undef>. Does the right thing when the player is currently in a	2391	can be C<undef>. Does the right thing when the player is currently in a
1705	dialogue with the given NPC character.	2392	dialogue with the given NPC character.
1706		2393
1707	=cut	2394	=cut
		2395
		2396	our $SAY_CHANNEL = {
		2397	id => "say",
		2398	title => "Map",
		2399	reply => "say ",
		2400	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2401	};
		2402
		2403	our $CHAT_CHANNEL = {
		2404	id => "chat",
		2405	title => "Chat",
		2406	reply => "chat ",
		2407	tooltip => "Player chat and shouts, global to the server.",
		2408	};
1708		2409
1709	# rough implementation of a future "reply" method that works	2410	# rough implementation of a future "reply" method that works
1710	# with dialog boxes.	2411	# with dialog boxes.
1711	#TODO: the first argument must go, split into a $npc->reply_to ( method	2412	#TODO: the first argument must go, split into a $npc->reply_to ( method
1712	sub cf::object::player::reply($$$;$) {	2413	sub cf::object::player::reply($$$;$) {
…		…
1714		2415
1715	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2416	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1716		2417
1717	if ($self->{record_replies}) {	2418	if ($self->{record_replies}) {
1718	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2419	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2420
1719	} else {	2421	} else {
		2422	my $pl = $self->contr;
		2423
		2424	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2425	my $dialog = $pl->{npc_dialog};
		2426	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2427
		2428	} else {
1720	$msg = $npc->name . " says: $msg" if $npc;	2429	$msg = $npc->name . " says: $msg" if $npc;
1721	$self->message ($msg, $flags);	2430	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2431	}
1722	}	2432	}
		2433	}
		2434
		2435	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2436
		2437	=cut
		2438
		2439	sub cf::object::send_msg {
		2440	my $pl = shift->contr
		2441	or return;
		2442	$pl->send_msg (@_);
1723	}	2443	}
1724		2444
1725	=item $player_object->may ("access")	2445	=item $player_object->may ("access")
1726		2446
1727	Returns wether the given player is authorized to access resource "access"	2447	Returns wether the given player is authorized to access resource "access"
…		…
1740		2460
1741	=item $player_object->enter_link	2461	=item $player_object->enter_link
1742		2462
1743	Freezes the player and moves him/her to a special map (C<{link}>).	2463	Freezes the player and moves him/her to a special map (C<{link}>).
1744		2464
1745	The player should be reasonably safe there for short amounts of time. You	2465	The player should be reasonably safe there for short amounts of time (e.g.
1746	I<MUST> call C<leave_link> as soon as possible, though.	2466	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2467	though, as the palyer cannot control the character while it is on the link
		2468	map.
1747		2469
1748	Will never block.	2470	Will never block.
1749		2471
1750	=item $player_object->leave_link ($map, $x, $y)	2472	=item $player_object->leave_link ($map, $x, $y)
1751		2473
…		…
1774	$self->deactivate_recursive;	2496	$self->deactivate_recursive;
1775		2497
1776	return if UNIVERSAL::isa $self->map, "ext::map_link";	2498	return if UNIVERSAL::isa $self->map, "ext::map_link";
1777		2499
1778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2500	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1779	if $self->map;	2501	if $self->map && $self->map->{path} ne "{link}";
1780		2502
1781	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2503	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1782	}	2504	}
1783		2505
1784	sub cf::object::player::leave_link {	2506	sub cf::object::player::leave_link {
1785	my ($self, $map, $x, $y) = @_;	2507	my ($self, $map, $x, $y) = @_;
		2508
		2509	return unless $self->contr->active;
1786		2510
1787	my $link_pos = delete $self->{_link_pos};	2511	my $link_pos = delete $self->{_link_pos};
1788		2512
1789	unless ($map) {	2513	unless ($map) {
1790	# restore original map position	2514	# restore original map position
…		…
1804	# use -1 or undef as default coordinates, not 0, 0	2528	# use -1 or undef as default coordinates, not 0, 0
1805	($x, $y) = ($map->enter_x, $map->enter_y)	2529	($x, $y) = ($map->enter_x, $map->enter_y)
1806	if $x <=0 && $y <= 0;	2530	if $x <=0 && $y <= 0;
1807		2531
1808	$map->load;	2532	$map->load;
1809	$map->load_diag;	2533	$map->load_neighbours;
1810		2534
1811	return unless $self->contr->active;	2535	return unless $self->contr->active;
		2536	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1812	$self->activate_recursive;	2537	$self->activate_recursive;
		2538
		2539	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1813	$self->enter_map ($map, $x, $y);	2540	$self->enter_map ($map, $x, $y);
1814	}	2541	}
1815		2542
1816	cf::player->attach (	2543	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1817	on_logout => sub {
1818	my ($pl) = @_;
1819		2544
1820	# abort map switching before logout	2545	Moves the player to the given map-path and coordinates by first freezing
1821	if ($pl->ob->{_link_pos}) {	2546	her, loading and preparing them map, calling the provided $check callback
1822	cf::sync_job {	2547	that has to return the map if sucecssful, and then unfreezes the player on
1823	$pl->ob->leave_link	2548	the new (success) or old (failed) map position. In either case, $done will
1824	};	2549	be called at the end of this process.
1825	}
1826	},
1827	on_login => sub {
1828	my ($pl) = @_;
1829		2550
1830	# try to abort aborted map switching on player login :)	2551	Note that $check will be called with a potentially non-loaded map, so if
1831	# should happen only on crashes	2552	it needs a loaded map it has to call C<< ->load >>.
1832	if ($pl->ob->{_link_pos}) {
1833	$pl->ob->enter_link;
1834	(async {
1835	# we need this sleep as the login has a concurrent enter_exit running
1836	# and this sleep increases chances of the player not ending up in scorn
1837	$pl->ob->reply (undef,
1838	"There was an internal problem at your last logout, "
1839	. "the server will try to bring you to your intended destination in a second.",
1840	cf::NDI_RED);
1841	Coro::Timer::sleep 1;
1842	$pl->ob->leave_link;
1843	})->prio (2);
1844	}
1845	},
1846	);
1847		2553
1848	=item $player_object->goto ($path, $x, $y)
1849
1850	=cut	2554	=cut
		2555
		2556	our $GOTOGEN;
1851		2557
1852	sub cf::object::player::goto {	2558	sub cf::object::player::goto {
1853	my ($self, $path, $x, $y) = @_;	2559	my ($self, $path, $x, $y, $check, $done) = @_;
		2560
		2561	# do generation counting so two concurrent goto's will be executed in-order
		2562	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1854		2563
1855	$self->enter_link;	2564	$self->enter_link;
1856		2565
1857	(async {	2566	(async {
		2567	$Coro::current->{desc} = "player::goto $path $x $y";
		2568
		2569	# *tag paths override both path and x|y
		2570	if ($path =~ /^\*(.*)$/) {
		2571	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2572	my $ob = $obs[rand @obs];
		2573
		2574	# see if we actually can go there
		2575	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2576	$ob = $obs[rand @obs];
		2577	} else {
		2578	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2579	}
		2580	# else put us there anyways for now #d#
		2581
		2582	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2583	} else {
		2584	($path, $x, $y) = (undef, undef, undef);
		2585	}
		2586	}
		2587
1858	my $map = eval {	2588	my $map = eval {
1859	my $map = cf::map::find $path;	2589	my $map = defined $path ? cf::map::find $path : undef;
		2590
		2591	if ($map) {
1860	$map = $map->customise_for ($self) if $map;	2592	$map = $map->customise_for ($self);
		2593	$map = $check->($map) if $check && $map;
		2594	} else {
		2595	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2596	}
		2597
1861	$map	2598	$map
		2599	};
		2600
		2601	if ($@) {
		2602	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2603	LOG llevError | logBacktrace, Carp::longmess $@;
1862	} or	2604	}
1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1864		2605
		2606	if ($gen == $self->{_goto_generation}) {
		2607	delete $self->{_goto_generation};
1865	$self->leave_link ($map, $x, $y);	2608	$self->leave_link ($map, $x, $y);
		2609	}
		2610
		2611	$done->() if $done;
1866	})->prio (1);	2612	})->prio (1);
1867	}	2613	}
1868		2614
1869	=item $player_object->enter_exit ($exit_object)	2615	=item $player_object->enter_exit ($exit_object)
1870		2616
…		…
1890	}	2636	}
1891		2637
1892	sub prepare_random_map {	2638	sub prepare_random_map {
1893	my ($exit) = @_;	2639	my ($exit) = @_;
1894		2640
1895	my $guard = cf::lock_acquire "exit_prepare:$exit";
1896
1897	# all this does is basically replace the /! path by	2641	# all this does is basically replace the /! path by
1898	# a new random map path (?random/...) with a seed	2642	# a new random map path (?random/...) with a seed
1899	# that depends on the exit object	2643	# that depends on the exit object
1900		2644
1901	my $rmp = parse_random_map_params $exit->msg;	2645	my $rmp = parse_random_map_params $exit->msg;
…		…
1903	if ($exit->map) {	2647	if ($exit->map) {
1904	$rmp->{region} = $exit->region->name;	2648	$rmp->{region} = $exit->region->name;
1905	$rmp->{origin_map} = $exit->map->path;	2649	$rmp->{origin_map} = $exit->map->path;
1906	$rmp->{origin_x} = $exit->x;	2650	$rmp->{origin_x} = $exit->x;
1907	$rmp->{origin_y} = $exit->y;	2651	$rmp->{origin_y} = $exit->y;
		2652
		2653	$exit->map->touch;
1908	}	2654	}
1909		2655
1910	$rmp->{random_seed} ||= $exit->random_seed;	2656	$rmp->{random_seed} ||= $exit->random_seed;
1911		2657
1912	my $data = cf::to_json $rmp;	2658	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1913	my $md5 = Digest::MD5::md5_hex $data;	2659	my $md5 = Digest::MD5::md5_hex $data;
1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2660	my $meta = "$RANDOMDIR/$md5.meta";
1915		2661
1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2662	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1917	aio_write $fh, 0, (length $data), $data, 0;	2663	aio_write $fh, 0, (length $data), $data, 0;
1918	undef $fh;	2664	undef $fh;
1919	aio_rename "$meta~", $meta;	2665	aio_rename "$meta~", $meta;
1920		2666
		2667	my $slaying = "?random/$md5";
		2668
		2669	if ($exit->valid) {
1921	$exit->slaying ("?random/$md5");	2670	$exit->slaying ("?random/$md5");
1922	$exit->msg (undef);	2671	$exit->msg (undef);
		2672	}
1923	}	2673	}
1924	}	2674	}
1925		2675
1926	sub cf::object::player::enter_exit {	2676	sub cf::object::player::enter_exit {
1927	my ($self, $exit) = @_;	2677	my ($self, $exit) = @_;
1928		2678
1929	return unless $self->type == cf::PLAYER;	2679	return unless $self->type == cf::PLAYER;
1930		2680
1931	if ($exit->slaying eq "/!") {
1932	#TODO: this should de-fi-ni-te-ly not be a sync-job
1933	cf::sync_job { prepare_random_map $exit };
1934	}
1935
1936	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1937	my $hp = $exit->stats->hp;
1938	my $sp = $exit->stats->sp;
1939
1940	$self->enter_link;	2681	$self->enter_link;
1941		2682
1942	(async {	2683	(async {
1943	$self->deactivate_recursive; # just to be sure	2684	$Coro::current->{desc} = "enter_exit";
		2685
1944	unless (eval {	2686	unless (eval {
		2687	$self->deactivate_recursive; # just to be sure
		2688
		2689	# random map handling
		2690	{
		2691	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2692
		2693	prepare_random_map $exit
		2694	if $exit->slaying eq "/!";
		2695	}
		2696
		2697	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2698	my $x = $exit->stats->hp;
		2699	my $y = $exit->stats->sp;
		2700
1945	$self->goto ($slaying, $hp, $sp);	2701	$self->goto ($map, $x, $y);
1946		2702
		2703	# if exit is damned, update players death & WoR home-position
		2704	$self->contr->savebed ($map, $x, $y)
		2705	if $exit->flag (cf::FLAG_DAMNED);
		2706
1947	1;	2707	1
1948	}) {	2708	}) {
1949	$self->message ("Something went wrong deep within the crossfire server. "	2709	$self->message ("Something went wrong deep within the deliantra server. "
1950	. "I'll try to bring you back to the map you were before. "	2710	. "I'll try to bring you back to the map you were before. "
1951	. "Please report this to the dungeon master!",	2711	. "Please report this to the dungeon master!",
1952	cf::NDI_UNIQUE | cf::NDI_RED);	2712	cf::NDI_UNIQUE | cf::NDI_RED);
1953		2713
1954	warn "ERROR in enter_exit: $@";	2714	warn "ERROR in enter_exit: $@";
1955	$self->leave_link;	2715	$self->leave_link;
1956	}	2716	}
1957	})->prio (1);	2717	})->prio (1);
…		…
1970		2730
1971	sub cf::client::send_drawinfo {	2731	sub cf::client::send_drawinfo {
1972	my ($self, $text, $flags) = @_;	2732	my ($self, $text, $flags) = @_;
1973		2733
1974	utf8::encode $text;	2734	utf8::encode $text;
1975	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2735	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1976	}	2736	}
1977		2737
		2738	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2739
		2740	Send a drawinfo or msg packet to the client, formatting the msg for the
		2741	client if neccessary. C<$type> should be a string identifying the type of
		2742	the message, with C<log> being the default. If C<$color> is negative, suppress
		2743	the message unless the client supports the msg packet.
		2744
		2745	=cut
		2746
		2747	# non-persistent channels (usually the info channel)
		2748	our %CHANNEL = (
		2749	"c/identify" => {
		2750	id => "infobox",
		2751	title => "Identify",
		2752	reply => undef,
		2753	tooltip => "Items recently identified",
		2754	},
		2755	"c/examine" => {
		2756	id => "infobox",
		2757	title => "Examine",
		2758	reply => undef,
		2759	tooltip => "Signs and other items you examined",
		2760	},
		2761	"c/book" => {
		2762	id => "infobox",
		2763	title => "Book",
		2764	reply => undef,
		2765	tooltip => "The contents of a note or book",
		2766	},
		2767	"c/lookat" => {
		2768	id => "infobox",
		2769	title => "Look",
		2770	reply => undef,
		2771	tooltip => "What you saw there",
		2772	},
		2773	"c/who" => {
		2774	id => "infobox",
		2775	title => "Players",
		2776	reply => undef,
		2777	tooltip => "Shows players who are currently online",
		2778	},
		2779	"c/body" => {
		2780	id => "infobox",
		2781	title => "Body Parts",
		2782	reply => undef,
		2783	tooltip => "Shows which body parts you posess and are available",
		2784	},
		2785	"c/skills" => {
		2786	id => "infobox",
		2787	title => "Skills",
		2788	reply => undef,
		2789	tooltip => "Shows your experience per skill and item power",
		2790	},
		2791	"c/uptime" => {
		2792	id => "infobox",
		2793	title => "Uptime",
		2794	reply => undef,
		2795	tooltip => "How long the server has been running since last restart",
		2796	},
		2797	"c/mapinfo" => {
		2798	id => "infobox",
		2799	title => "Map Info",
		2800	reply => undef,
		2801	tooltip => "Information related to the maps",
		2802	},
		2803	"c/party" => {
		2804	id => "party",
		2805	title => "Party",
		2806	reply => "gsay ",
		2807	tooltip => "Messages and chat related to your party",
		2808	},
		2809	);
		2810
		2811	sub cf::client::send_msg {
		2812	my ($self, $channel, $msg, $color, @extra) = @_;
		2813
		2814	$msg = $self->pl->expand_cfpod ($msg)
		2815	unless $color & cf::NDI_VERBATIM;
		2816
		2817	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2818
		2819	# check predefined channels, for the benefit of C
		2820	if ($CHANNEL{$channel}) {
		2821	$channel = $CHANNEL{$channel};
		2822
		2823	$self->ext_msg (channel_info => $channel)
		2824	if $self->can_msg;
		2825
		2826	$channel = $channel->{id};
		2827
		2828	} elsif (ref $channel) {
		2829	# send meta info to client, if not yet sent
		2830	unless (exists $self->{channel}{$channel->{id}}) {
		2831	$self->{channel}{$channel->{id}} = $channel;
		2832	$self->ext_msg (channel_info => $channel)
		2833	if $self->can_msg;
		2834	}
		2835
		2836	$channel = $channel->{id};
		2837	}
		2838
		2839	return unless @extra || length $msg;
		2840
		2841	if ($self->can_msg) {
		2842	# default colour, mask it out
		2843	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2844	if $color & cf::NDI_DEF;
		2845
		2846	my $pkt = "msg "
		2847	. $self->{json_coder}->encode (
		2848	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2849	);
		2850
		2851	# try lzf for large packets
		2852	$pkt = "lzf " . Compress::LZF::compress $pkt
		2853	if 1024 <= length $pkt and $self->{can_lzf};
		2854
		2855	# split very large packets
		2856	if (8192 < length $pkt and $self->{can_lzf}) {
		2857	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2858	$pkt = "frag";
		2859	}
		2860
		2861	$self->send_packet ($pkt);
		2862	} else {
		2863	if ($color >= 0) {
		2864	# replace some tags by gcfclient-compatible ones
		2865	for ($msg) {
		2866	1 while
		2867	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2868	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2869	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2870	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2871	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2872	}
		2873
		2874	$color &= cf::NDI_COLOR_MASK;
		2875
		2876	utf8::encode $msg;
		2877
		2878	if (0 && $msg =~ /\[/) {
		2879	# COMMAND/INFO
		2880	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2881	} else {
		2882	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2883	$self->send_packet ("drawinfo $color $msg")
		2884	}
		2885	}
		2886	}
		2887	}
		2888
		2889	=item $client->ext_msg ($type, @msg)
		2890
		2891	Sends an ext event to the client.
		2892
		2893	=cut
		2894
		2895	sub cf::client::ext_msg($$@) {
		2896	my ($self, $type, @msg) = @_;
		2897
		2898	if ($self->extcmd == 2) {
		2899	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2900	} elsif ($self->extcmd == 1) { # TODO: remove
		2901	push @msg, msgtype => "event_$type";
		2902	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2903	}
		2904	}
		2905
		2906	=item $client->ext_reply ($msgid, @msg)
		2907
		2908	Sends an ext reply to the client.
		2909
		2910	=cut
		2911
		2912	sub cf::client::ext_reply($$@) {
		2913	my ($self, $id, @msg) = @_;
		2914
		2915	if ($self->extcmd == 2) {
		2916	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2917	} elsif ($self->extcmd == 1) {
		2918	#TODO: version 1, remove
		2919	unshift @msg, msgtype => "reply", msgid => $id;
		2920	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2921	}
		2922	}
1978		2923
1979	=item $success = $client->query ($flags, "text", \&cb)	2924	=item $success = $client->query ($flags, "text", \&cb)
1980		2925
1981	Queues a query to the client, calling the given callback with	2926	Queues a query to the client, calling the given callback with
1982	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2927	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1983	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2928	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1984		2929
1985	Queries can fail, so check the return code. Or don't, as queries will become	2930	Queries can fail, so check the return code. Or don't, as queries will
1986	reliable at some point in the future.	2931	become reliable at some point in the future.
1987		2932
1988	=cut	2933	=cut
1989		2934
1990	sub cf::client::query {	2935	sub cf::client::query {
1991	my ($self, $flags, $text, $cb) = @_;	2936	my ($self, $flags, $text, $cb) = @_;
…		…
1999	utf8::encode $text;	2944	utf8::encode $text;
2000	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2945	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2001		2946
2002	$self->send_packet ($self->{query_queue}[0][0])	2947	$self->send_packet ($self->{query_queue}[0][0])
2003	if @{ $self->{query_queue} } == 1;	2948	if @{ $self->{query_queue} } == 1;
		2949
		2950	1
2004	}	2951	}
2005		2952
2006	cf::client->attach (	2953	cf::client->attach (
		2954	on_connect => sub {
		2955	my ($ns) = @_;
		2956
		2957	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2958	},
2007	on_reply => sub {	2959	on_reply => sub {
2008	my ($ns, $msg) = @_;	2960	my ($ns, $msg) = @_;
2009		2961
2010	# this weird shuffling is so that direct followup queries	2962	# this weird shuffling is so that direct followup queries
2011	# get handled first	2963	# get handled first
…		…
2023	} else {	2975	} else {
2024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2976	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2025	}	2977	}
2026	}	2978	}
2027	},	2979	},
		2980	on_exticmd => sub {
		2981	my ($ns, $buf) = @_;
		2982
		2983	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2984
		2985	if (ref $msg) {
		2986	my ($type, $reply, @payload) =
		2987	"ARRAY" eq ref $msg
		2988	? @$msg
		2989	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2990
		2991	my @reply;
		2992
		2993	if (my $cb = $EXTICMD{$type}) {
		2994	@reply = $cb->($ns, @payload);
		2995	}
		2996
		2997	$ns->ext_reply ($reply, @reply)
		2998	if $reply;
		2999
		3000	} else {
		3001	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3002	}
		3003
		3004	cf::override;
		3005	},
2028	);	3006	);
2029		3007
2030	=item $client->async (\&cb)	3008	=item $client->async (\&cb)
2031		3009
2032	Create a new coroutine, running the specified callback. The coroutine will	3010	Create a new coroutine, running the specified callback. The coroutine will
…		…
2073	our $safe = new Safe "safe";	3051	our $safe = new Safe "safe";
2074	our $safe_hole = new Safe::Hole;	3052	our $safe_hole = new Safe::Hole;
2075		3053
2076	$SIG{FPE} = 'IGNORE';	3054	$SIG{FPE} = 'IGNORE';
2077		3055
2078	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3056	$safe->permit_only (Opcode::opset qw(
		3057	:base_core :base_mem :base_orig :base_math
		3058	grepstart grepwhile mapstart mapwhile
		3059	sort time
		3060	));
2079		3061
2080	# here we export the classes and methods available to script code	3062	# here we export the classes and methods available to script code
2081		3063
2082	=pod	3064	=pod
2083		3065
2084	The following fucntions and emthods are available within a safe environment:	3066	The following functions and methods are available within a safe environment:
2085		3067
2086	cf::object contr pay_amount pay_player map	3068	cf::object
		3069	contr pay_amount pay_player map x y force_find force_add destroy
		3070	insert remove name archname title slaying race decrease split
		3071
2087	cf::object::player player	3072	cf::object::player
2088	cf::player peaceful	3073	player
2089	cf::map trigger	3074
		3075	cf::player
		3076	peaceful
		3077
		3078	cf::map
		3079	trigger
2090		3080
2091	=cut	3081	=cut
2092		3082
2093	for (	3083	for (
2094	["cf::object" => qw(contr pay_amount pay_player map)],	3084	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3085	insert remove inv nrof name archname title slaying race
		3086	decrease split destroy change_exp)],
2095	["cf::object::player" => qw(player)],	3087	["cf::object::player" => qw(player)],
2096	["cf::player" => qw(peaceful)],	3088	["cf::player" => qw(peaceful)],
2097	["cf::map" => qw(trigger)],	3089	["cf::map" => qw(trigger)],
2098	) {	3090	) {
2099	no strict 'refs';	3091	no strict 'refs';
…		…
2170	=back	3162	=back
2171		3163
2172	=cut	3164	=cut
2173		3165
2174	#############################################################################	3166	#############################################################################
2175
2176	=head2 EXTENSION DATABASE SUPPORT
2177
2178	Crossfire maintains a very simple database for extension use. It can
2179	currently store anything that can be serialised using Storable, which
2180	excludes objects.
2181
2182	The parameter C<$family> should best start with the name of the extension
2183	using it, it should be unique.
2184
2185	=over 4
2186
2187	=item $hashref = cf::db_get $family
2188
2189	Return a hashref for use by the extension C<$family>, which can be
2190	modified. After modifications, you have to call C<cf::db_dirty> or
2191	C<cf::db_sync>.
2192
2193	=item $value = cf::db_get $family => $key
2194
2195	Returns a single value from the database
2196
2197	=item cf::db_put $family => $hashref
2198
2199	Stores the given family hashref into the database. Updates are delayed, if
2200	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2201
2202	=item cf::db_put $family => $key => $value
2203
2204	Stores the given C<$value> in the family hash. Updates are delayed, if you
2205	want the data to be synced to disk immediately, use C<cf::db_sync>.
2206
2207	=item cf::db_dirty
2208
2209	Marks the database as dirty, to be updated at a later time.
2210
2211	=item cf::db_sync
2212
2213	Immediately write the database to disk I<if it is dirty>.
2214
2215	=cut
2216
2217	our $DB;
2218
2219	{
2220	my $path = cf::localdir . "/database.pst";
2221
2222	sub db_load() {
2223	$DB = stat $path ? Storable::retrieve $path : { };
2224	}
2225
2226	my $pid;
2227
2228	sub db_save() {
2229	waitpid $pid, 0 if $pid;
2230	if (0 == ($pid = fork)) {
2231	$DB->{_meta}{version} = 1;
2232	Storable::nstore $DB, "$path~";
2233	rename "$path~", $path;
2234	cf::_exit 0 if defined $pid;
2235	}
2236	}
2237
2238	my $dirty;
2239
2240	sub db_sync() {
2241	db_save if $dirty;
2242	undef $dirty;
2243	}
2244
2245	my $idle = Event->idle (
2246	reentrant => 0,
2247	min => 10,
2248	max => 20,
2249	repeat => 0,
2250	data => WF_AUTOCANCEL,
2251	cb => \&db_sync,
2252	);
2253
2254	sub db_dirty() {
2255	$dirty = 1;
2256	$idle->start;
2257	}
2258
2259	sub db_get($;$) {
2260	@_ >= 2
2261	? $DB->{$_[0]}{$_[1]}
2262	: ($DB->{$_[0]} ||= { })
2263	}
2264
2265	sub db_put($$;$) {
2266	if (@_ >= 3) {
2267	$DB->{$_[0]}{$_[1]} = $_[2];
2268	} else {
2269	$DB->{$_[0]} = $_[1];
2270	}
2271	db_dirty;
2272	}
2273
2274	cf::global->attach (
2275	prio => 10000,
2276	on_cleanup => sub {
2277	db_sync;
2278	},
2279	);
2280	}
2281
2282	#############################################################################
2283	# the server's init and main functions	3167	# the server's init and main functions
2284		3168
		3169	sub load_facedata($) {
		3170	my ($path) = @_;
		3171
		3172	# HACK to clear player env face cache, we need some signal framework
		3173	# for this (global event?)
		3174	%ext::player_env::MUSIC_FACE_CACHE = ();
		3175
		3176	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3177
		3178	warn "loading facedata from $path\n";
		3179
		3180	my $facedata;
		3181	0 < aio_load $path, $facedata
		3182	or die "$path: $!";
		3183
		3184	$facedata = Coro::Storable::thaw $facedata;
		3185
		3186	$facedata->{version} == 2
		3187	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3188
		3189	# patch in the exptable
		3190	$facedata->{resource}{"res/exp_table"} = {
		3191	type => FT_RSRC,
		3192	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3193	};
		3194	cf::cede_to_tick;
		3195
		3196	{
		3197	my $faces = $facedata->{faceinfo};
		3198
		3199	while (my ($face, $info) = each %$faces) {
		3200	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3201
		3202	cf::face::set_visibility $idx, $info->{visibility};
		3203	cf::face::set_magicmap $idx, $info->{magicmap};
		3204	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3205	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3206
		3207	cf::cede_to_tick;
		3208	}
		3209
		3210	while (my ($face, $info) = each %$faces) {
		3211	next unless $info->{smooth};
		3212
		3213	my $idx = cf::face::find $face
		3214	or next;
		3215
		3216	if (my $smooth = cf::face::find $info->{smooth}) {
		3217	cf::face::set_smooth $idx, $smooth;
		3218	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3219	} else {
		3220	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3221	}
		3222
		3223	cf::cede_to_tick;
		3224	}
		3225	}
		3226
		3227	{
		3228	my $anims = $facedata->{animinfo};
		3229
		3230	while (my ($anim, $info) = each %$anims) {
		3231	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3232	cf::cede_to_tick;
		3233	}
		3234
		3235	cf::anim::invalidate_all; # d'oh
		3236	}
		3237
		3238	{
		3239	# TODO: for gcfclient pleasure, we should give resources
		3240	# that gcfclient doesn't grok a >10000 face index.
		3241	my $res = $facedata->{resource};
		3242
		3243	while (my ($name, $info) = each %$res) {
		3244	if (defined $info->{type}) {
		3245	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3246	my $data;
		3247
		3248	if ($info->{type} & 1) {
		3249	# prepend meta info
		3250
		3251	my $meta = $enc->encode ({
		3252	name => $name,
		3253	%{ $info->{meta} || {} },
		3254	});
		3255
		3256	$data = pack "(w/a*)*", $meta, $info->{data};
		3257	} else {
		3258	$data = $info->{data};
		3259	}
		3260
		3261	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3262	cf::face::set_type $idx, $info->{type};
		3263	} else {
		3264	$RESOURCE{$name} = $info;
		3265	}
		3266
		3267	cf::cede_to_tick;
		3268	}
		3269	}
		3270
		3271	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3272
		3273	1
		3274	}
		3275
		3276	cf::global->attach (on_resource_update => sub {
		3277	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3278	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3279
		3280	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3281	my $sound = $soundconf->{compat}[$_]
		3282	or next;
		3283
		3284	my $face = cf::face::find "sound/$sound->[1]";
		3285	cf::sound::set $sound->[0] => $face;
		3286	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3287	}
		3288
		3289	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3290	my $face = cf::face::find "sound/$v";
		3291	cf::sound::set $k => $face;
		3292	}
		3293	}
		3294	});
		3295
		3296	register_exticmd fx_want => sub {
		3297	my ($ns, $want) = @_;
		3298
		3299	while (my ($k, $v) = each %$want) {
		3300	$ns->fx_want ($k, $v);
		3301	}
		3302	};
		3303
2285	sub load_resources {	3304	sub load_resource_file($) {
2286	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3305	my $guard = lock_acquire "load_resource_file";
		3306
		3307	my $status = load_resource_file_ $_[0];
		3308	get_slot 0.1, 100;
		3309	cf::arch::commit_load;
		3310
		3311	$status
		3312	}
		3313
		3314	sub reload_regions {
		3315	# HACK to clear player env face cache, we need some signal framework
		3316	# for this (global event?)
		3317	%ext::player_env::MUSIC_FACE_CACHE = ();
		3318
		3319	load_resource_file "$MAPDIR/regions"
2287	or die "unable to load regions file\n";#d#	3320	or die "unable to load regions file\n";
2288	}
2289		3321
2290	sub cfg_load {	3322	for (cf::region::list) {
		3323	$_->{match} = qr/$_->{match}/
		3324	if exists $_->{match};
		3325	}
		3326	}
		3327
		3328	sub reload_facedata {
		3329	load_facedata "$DATADIR/facedata"
		3330	or die "unable to load facedata\n";
		3331	}
		3332
		3333	sub reload_archetypes {
		3334	load_resource_file "$DATADIR/archetypes"
		3335	or die "unable to load archetypes\n";
		3336	}
		3337
		3338	sub reload_treasures {
		3339	load_resource_file "$DATADIR/treasures"
		3340	or die "unable to load treasurelists\n";
		3341	}
		3342
		3343	sub reload_resources {
		3344	warn "reloading resource files...\n";
		3345
		3346	reload_facedata;
		3347	reload_archetypes;
		3348	reload_regions;
		3349	reload_treasures;
		3350
		3351	warn "finished reloading resource files\n";
		3352	}
		3353
		3354	sub reload_config {
2291	open my $fh, "<:utf8", cf::confdir . "/config"	3355	open my $fh, "<:utf8", "$CONFDIR/config"
2292	or return;	3356	or return;
2293		3357
2294	local $/;	3358	local $/;
2295	*CFG = YAML::Syck::Load <$fh>;	3359	*CFG = YAML::Load <$fh>;
2296		3360
2297	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3361	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2298		3362
2299	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3363	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2300	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3364	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2306	};	3370	};
2307	warn $@ if $@;	3371	warn $@ if $@;
2308	}	3372	}
2309	}	3373	}
2310		3374
2311	sub init {	3375	sub pidfile() {
2312	load_resources;	3376	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3377	or die "$PIDFILE: $!";
		3378	flock $fh, &Fcntl::LOCK_EX
		3379	or die "$PIDFILE: flock: $!";
		3380	$fh
		3381	}
		3382
		3383	# make sure only one server instance is running at any one time
		3384	sub atomic {
		3385	my $fh = pidfile;
		3386
		3387	my $pid = <$fh>;
		3388	kill 9, $pid if $pid > 0;
		3389
		3390	seek $fh, 0, 0;
		3391	print $fh $$;
2313	}	3392	}
2314		3393
2315	sub main {	3394	sub main {
		3395	cf::init_globals; # initialise logging
		3396
		3397	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3398	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3399	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3400	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3401
		3402	cf::init_experience;
		3403	cf::init_anim;
		3404	cf::init_attackmess;
		3405	cf::init_dynamic;
		3406	cf::init_block;
		3407
		3408	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3409
2316	# we must not ever block the main coroutine	3410	# we must not ever block the main coroutine
2317	local $Coro::idle = sub {	3411	local $Coro::idle = sub {
2318	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3412	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2319	(async {	3413	(async {
2320	Event::one_event;	3414	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3415	EV::loop EV::LOOP_ONESHOT;
2321	})->prio (Coro::PRIO_MAX);	3416	})->prio (Coro::PRIO_MAX);
2322	};	3417	};
2323		3418
2324	cfg_load;	3419	evthread_start IO::AIO::poll_fileno;
2325	db_load;	3420
		3421	cf::sync_job {
		3422	reload_resources;
		3423	reload_config;
		3424	db_init;
		3425
		3426	cf::load_settings;
		3427	cf::load_materials;
		3428	cf::init_uuid;
		3429	cf::init_signals;
		3430	cf::init_commands;
		3431	cf::init_skills;
		3432
		3433	cf::init_beforeplay;
		3434
		3435	atomic;
		3436
2326	load_extensions;	3437	load_extensions;
2327		3438
2328	$TICK_WATCHER->start;	3439	utime time, time, $RUNTIMEFILE;
		3440
		3441	# no (long-running) fork's whatsoever before this point(!)
		3442	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3443
		3444	(pop @POST_INIT)->(0) while @POST_INIT;
		3445	};
		3446
2329	Event::loop;	3447	EV::loop;
2330	}	3448	}
2331		3449
2332	#############################################################################	3450	#############################################################################
2333	# initialisation and cleanup	3451	# initialisation and cleanup
2334		3452
2335	# install some emergency cleanup handlers	3453	# install some emergency cleanup handlers
2336	BEGIN {	3454	BEGIN {
		3455	our %SIGWATCHER = ();
2337	for my $signal (qw(INT HUP TERM)) {	3456	for my $signal (qw(INT HUP TERM)) {
2338	Event->signal (	3457	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2339	reentrant => 0,
2340	data => WF_AUTOCANCEL,
2341	signal => $signal,
2342	prio => 0,
2343	cb => sub {
2344	cf::cleanup "SIG$signal";	3458	cf::cleanup "SIG$signal";
2345	},
2346	);	3459	};
		3460	}
		3461	}
		3462
		3463	sub write_runtime_sync {
		3464	# first touch the runtime file to show we are still running:
		3465	# the fsync below can take a very very long time.
		3466
		3467	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3468
		3469	my $guard = cf::lock_acquire "write_runtime";
		3470
		3471	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3472	or return;
		3473
		3474	my $value = $cf::RUNTIME + 90 + 10;
		3475	# 10 is the runtime save interval, for a monotonic clock
		3476	# 60 allows for the watchdog to kill the server.
		3477
		3478	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3479	and return;
		3480
		3481	# always fsync - this file is important
		3482	aio_fsync $fh
		3483	and return;
		3484
		3485	# touch it again to show we are up-to-date
		3486	aio_utime $fh, undef, undef;
		3487
		3488	close $fh
		3489	or return;
		3490
		3491	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3492	and return;
		3493
		3494	warn "runtime file written.\n";
		3495
2347	}	3496	1
		3497	}
		3498
		3499	our $uuid_lock;
		3500	our $uuid_skip;
		3501
		3502	sub write_uuid_sync($) {
		3503	$uuid_skip ||= $_[0];
		3504
		3505	return if $uuid_lock;
		3506	local $uuid_lock = 1;
		3507
		3508	my $uuid = "$LOCALDIR/uuid";
		3509
		3510	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3511	or return;
		3512
		3513	my $value = uuid_seq uuid_cur;
		3514
		3515	unless ($value) {
		3516	warn "cowardly refusing to write zero uuid value!\n";
		3517	return;
		3518	}
		3519
		3520	my $value = uuid_str $value + $uuid_skip;
		3521	$uuid_skip = 0;
		3522
		3523	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3524	and return;
		3525
		3526	# always fsync - this file is important
		3527	aio_fsync $fh
		3528	and return;
		3529
		3530	close $fh
		3531	or return;
		3532
		3533	aio_rename "$uuid~", $uuid
		3534	and return;
		3535
		3536	warn "uuid file written ($value).\n";
		3537
		3538	1
		3539
		3540	}
		3541
		3542	sub write_uuid($$) {
		3543	my ($skip, $sync) = @_;
		3544
		3545	$sync ? write_uuid_sync $skip
		3546	: async { write_uuid_sync $skip };
2348	}	3547	}
2349		3548
2350	sub emergency_save() {	3549	sub emergency_save() {
2351	my $freeze_guard = cf::freeze_mainloop;	3550	my $freeze_guard = cf::freeze_mainloop;
2352		3551
2353	warn "enter emergency perl save\n";	3552	warn "emergency_perl_save: enter\n";
2354		3553
2355	cf::sync_job {	3554	cf::sync_job {
		3555	# this is a trade-off: we want to be very quick here, so
		3556	# save all maps without fsync, and later call a global sync
		3557	# (which in turn might be very very slow)
		3558	local $USE_FSYNC = 0;
		3559
2356	# use a peculiar iteration method to avoid tripping on perl	3560	# use a peculiar iteration method to avoid tripping on perl
2357	# refcount bugs in for. also avoids problems with players	3561	# refcount bugs in for. also avoids problems with players
2358	# and maps saved/destroyed asynchronously.	3562	# and maps saved/destroyed asynchronously.
2359	warn "begin emergency player save\n";	3563	warn "emergency_perl_save: begin player save\n";
2360	for my $login (keys %cf::PLAYER) {	3564	for my $login (keys %cf::PLAYER) {
2361	my $pl = $cf::PLAYER{$login} or next;	3565	my $pl = $cf::PLAYER{$login} or next;
2362	$pl->valid or next;	3566	$pl->valid or next;
		3567	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2363	$pl->save;	3568	$pl->save;
2364	}	3569	}
2365	warn "end emergency player save\n";	3570	warn "emergency_perl_save: end player save\n";
2366		3571
2367	warn "begin emergency map save\n";	3572	warn "emergency_perl_save: begin map save\n";
2368	for my $path (keys %cf::MAP) {	3573	for my $path (keys %cf::MAP) {
2369	my $map = $cf::MAP{$path} or next;	3574	my $map = $cf::MAP{$path} or next;
2370	$map->valid or next;	3575	$map->valid or next;
2371	$map->save;	3576	$map->save;
2372	}	3577	}
2373	warn "end emergency map save\n";	3578	warn "emergency_perl_save: end map save\n";
		3579
		3580	warn "emergency_perl_save: begin database checkpoint\n";
		3581	BDB::db_env_txn_checkpoint $DB_ENV;
		3582	warn "emergency_perl_save: end database checkpoint\n";
		3583
		3584	warn "emergency_perl_save: begin write uuid\n";
		3585	write_uuid_sync 1;
		3586	warn "emergency_perl_save: end write uuid\n";
2374	};	3587	};
2375		3588
		3589	warn "emergency_perl_save: starting sync()\n";
		3590	IO::AIO::aio_sync sub {
		3591	warn "emergency_perl_save: finished sync()\n";
		3592	};
		3593
2376	warn "leave emergency perl save\n";	3594	warn "emergency_perl_save: leave\n";
2377	}	3595	}
2378		3596
		3597	sub post_cleanup {
		3598	my ($make_core) = @_;
		3599
		3600	warn Carp::longmess "post_cleanup backtrace"
		3601	if $make_core;
		3602
		3603	my $fh = pidfile;
		3604	unlink $PIDFILE if <$fh> == $$;
		3605	}
		3606
		3607	# a safer delete_package, copied from Symbol
		3608	sub clear_package($) {
		3609	my $pkg = shift;
		3610
		3611	# expand to full symbol table name if needed
		3612	unless ($pkg =~ /^main::.*::$/) {
		3613	$pkg = "main$pkg" if $pkg =~ /^::/;
		3614	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3615	$pkg .= '::' unless $pkg =~ /::$/;
		3616	}
		3617
		3618	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3619	my $stem_symtab = *{$stem}{HASH};
		3620
		3621	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3622	or return;
		3623
		3624	# clear all symbols
		3625	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3626	for my $name (keys %$leaf_symtab) {
		3627	_gv_clear *{"$pkg$name"};
		3628	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3629	}
		3630	warn "cleared package $pkg\n";#d#
		3631	}
		3632
2379	sub reload() {	3633	sub do_reload_perl() {
2380	# can/must only be called in main	3634	# can/must only be called in main
2381	if ($Coro::current != $Coro::main) {	3635	if ($Coro::current != $Coro::main) {
2382	warn "can only reload from main coroutine";	3636	warn "can only reload from main coroutine";
2383	return;	3637	return;
2384	}	3638	}
2385		3639
		3640	return if $RELOAD++;
		3641
		3642	my $t1 = EV::time;
		3643
		3644	while ($RELOAD) {
2386	warn "reloading...";	3645	warn "reloading...";
2387		3646
2388	warn "cancelling server ticker";	3647	warn "entering sync_job";
2389	$TICK_WATCHER->cancel;
2390		3648
		3649	cf::sync_job {
		3650	cf::write_runtime_sync; # external watchdog should not bark
2391	cf::emergency_save;	3651	cf::emergency_save;
		3652	cf::write_runtime_sync; # external watchdog should not bark
2392		3653
2393	eval {	3654	warn "syncing database to disk";
		3655	BDB::db_env_txn_checkpoint $DB_ENV;
		3656
2394	# if anything goes wrong in here, we should simply crash as we already saved	3657	# if anything goes wrong in here, we should simply crash as we already saved
2395		3658
2396	warn "syncing database to disk";
2397	cf::db_sync;
2398
2399	warn "cancelling all WF_AUTOCANCEL watchers";
2400	for (Event::all_watchers) {
2401	$_->cancel if $_->data & WF_AUTOCANCEL;
2402	}
2403
2404	warn "flushing outstanding aio requests";	3659	warn "flushing outstanding aio requests";
2405	for (;;) {	3660	while (IO::AIO::nreqs || BDB::nreqs) {
2406	IO::AIO::flush;	3661	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2407	Coro::cede;
2408	last unless IO::AIO::nreqs;
2409	warn "iterate...";
2410	}
2411
2412	warn "cancelling all extension coros";
2413	$_->cancel for values %EXT_CORO;
2414	%EXT_CORO = ();
2415
2416	warn "removing commands";
2417	%COMMAND = ();
2418
2419	warn "removing ext commands";
2420	%EXTCMD = ();
2421
2422	warn "unloading/nuking all extensions";
2423	for my $pkg (@EXTS) {
2424	warn "... unloading $pkg";
2425
2426	if (my $cb = $pkg->can ("unload")) {
2427	eval {
2428	$cb->($pkg);
2429	1
2430	} or warn "$pkg unloaded, but with errors: $@";
2431	}	3662	}
2432		3663
2433	warn "... nuking $pkg";	3664	warn "cancelling all extension coros";
2434	Symbol::delete_package $pkg;	3665	$_->cancel for values %EXT_CORO;
2435	}	3666	%EXT_CORO = ();
2436		3667
2437	warn "unloading all perl modules loaded from $LIBDIR";	3668	warn "removing commands";
2438	while (my ($k, $v) = each %INC) {	3669	%COMMAND = ();
2439	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2440		3670
		3671	warn "removing ext/exti commands";
		3672	%EXTCMD = ();
		3673	%EXTICMD = ();
		3674
		3675	warn "unloading/nuking all extensions";
		3676	for my $pkg (@EXTS) {
2441	warn "... unloading $k";	3677	warn "... unloading $pkg";
2442	delete $INC{$k};
2443		3678
2444	$k =~ s/\.pm$//;
2445	$k =~ s/\//::/g;
2446
2447	if (my $cb = $k->can ("unload_module")) {	3679	if (my $cb = $pkg->can ("unload")) {
		3680	eval {
2448	$cb->();	3681	$cb->($pkg);
		3682	1
		3683	} or warn "$pkg unloaded, but with errors: $@";
		3684	}
		3685
		3686	warn "... clearing $pkg";
		3687	clear_package $pkg;
2449	}	3688	}
2450		3689
2451	Symbol::delete_package $k;	3690	warn "unloading all perl modules loaded from $LIBDIR";
		3691	while (my ($k, $v) = each %INC) {
		3692	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3693
		3694	warn "... unloading $k";
		3695	delete $INC{$k};
		3696
		3697	$k =~ s/\.pm$//;
		3698	$k =~ s/\//::/g;
		3699
		3700	if (my $cb = $k->can ("unload_module")) {
		3701	$cb->();
		3702	}
		3703
		3704	clear_package $k;
2452	}	3705	}
2453		3706
2454	warn "getting rid of safe::, as good as possible";	3707	warn "getting rid of safe::, as good as possible";
2455	Symbol::delete_package "safe::$_"	3708	clear_package "safe::$_"
2456	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3709	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2457		3710
2458	warn "unloading cf.pm \"a bit\"";	3711	warn "unloading cf.pm \"a bit\"";
2459	delete $INC{"cf.pm"};	3712	delete $INC{"cf.pm"};
		3713	delete $INC{"cf/pod.pm"};
2460		3714
2461	# don't, removes xs symbols, too,	3715	# don't, removes xs symbols, too,
2462	# and global variables created in xs	3716	# and global variables created in xs
2463	#Symbol::delete_package __PACKAGE__;	3717	#clear_package __PACKAGE__;
2464		3718
2465	warn "unload completed, starting to reload now";	3719	warn "unload completed, starting to reload now";
2466		3720
2467	warn "reloading cf.pm";	3721	warn "reloading cf.pm";
2468	require cf;	3722	require cf;
2469	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3723	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2470		3724
2471	warn "loading config and database again";	3725	warn "loading config and database again";
2472	cf::cfg_load;	3726	cf::reload_config;
2473	cf::db_load;
2474		3727
2475	warn "loading extensions";	3728	warn "loading extensions";
2476	cf::load_extensions;	3729	cf::load_extensions;
2477		3730
		3731	if ($REATTACH_ON_RELOAD) {
2478	warn "reattaching attachments to objects/players";	3732	warn "reattaching attachments to objects/players";
2479	_global_reattach;	3733	_global_reattach; # objects, sockets
2480	warn "reattaching attachments to maps";	3734	warn "reattaching attachments to maps";
2481	reattach $_ for values %MAP;	3735	reattach $_ for values %MAP;
		3736	warn "reattaching attachments to players";
		3737	reattach $_ for values %PLAYER;
		3738	}
2482		3739
2483	warn "loading reloadable resources";	3740	warn "running post_init jobs";
2484	load_resources;	3741	(pop @POST_INIT)->(1) while @POST_INIT;
2485		3742
2486	warn "restarting server ticker";	3743	warn "leaving sync_job";
2487		3744
2488	$TICK_WATCHER->start;	3745	1
		3746	} or do {
		3747	warn $@;
		3748	cf::cleanup "error while reloading, exiting.";
		3749	};
		3750
		3751	warn "reloaded";
		3752	--$RELOAD;
		3753	}
		3754
		3755	$t1 = EV::time - $t1;
		3756	warn "reload completed in ${t1}s\n";
		3757	};
		3758
		3759	our $RELOAD_WATCHER; # used only during reload
		3760
		3761	sub reload_perl() {
		3762	# doing reload synchronously and two reloads happen back-to-back,
		3763	# coro crashes during coro_state_free->destroy here.
		3764
		3765	$RELOAD_WATCHER ||= cf::async {
		3766	Coro::AIO::aio_wait cache_extensions;
		3767
		3768	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3769	do_reload_perl;
		3770	undef $RELOAD_WATCHER;
		3771	};
2489	};	3772	};
2490		3773	}
2491	if ($@) {
2492	warn $@;
2493	warn "error while reloading, exiting.";
2494	exit 1;
2495	}
2496
2497	warn "reloaded";
2498	};
2499
2500	our $RELOAD_WATCHER; # used only during reload
2501		3774
2502	register_command "reload" => sub {	3775	register_command "reload" => sub {
2503	my ($who, $arg) = @_;	3776	my ($who, $arg) = @_;
2504		3777
2505	if ($who->flag (FLAG_WIZ)) {	3778	if ($who->flag (FLAG_WIZ)) {
2506	$who->message ("reloading server.");	3779	$who->message ("reloading server.");
2507		3780	async {
2508	# doing reload synchronously and two reloads happen back-to-back,	3781	$Coro::current->{desc} = "perl_reload";
2509	# coro crashes during coro_state_free->destroy here.
2510
2511	$RELOAD_WATCHER ||= Event->timer (
2512	reentrant => 0,
2513	after => 0,
2514	data => WF_AUTOCANCEL,
2515	cb => sub {
2516	reload;	3782	reload_perl;
2517	undef $RELOAD_WATCHER;
2518	},
2519	);	3783	};
2520	}	3784	}
2521	};	3785	};
2522		3786
2523	unshift @INC, $LIBDIR;	3787	unshift @INC, $LIBDIR;
2524		3788
2525	my $bug_warning = 0;	3789	my $bug_warning = 0;
2526		3790
2527	$TICK_WATCHER = Event->timer (	3791	our @WAIT_FOR_TICK;
2528	reentrant => 0,	3792	our @WAIT_FOR_TICK_BEGIN;
2529	parked => 1,	3793
2530	prio => 0,	3794	sub wait_for_tick {
2531	at => $NEXT_TICK || $TICK,	3795	return if tick_inhibit || $Coro::current == $Coro::main;
2532	data => WF_AUTOCANCEL,	3796
2533	cb => sub {	3797	my $signal = new Coro::Signal;
		3798	push @WAIT_FOR_TICK, $signal;
		3799	$signal->wait;
		3800	}
		3801
		3802	sub wait_for_tick_begin {
		3803	return if tick_inhibit || $Coro::current == $Coro::main;
		3804
		3805	my $signal = new Coro::Signal;
		3806	push @WAIT_FOR_TICK_BEGIN, $signal;
		3807	$signal->wait;
		3808	}
		3809
		3810	sub tick {
2534	if ($Coro::current != $Coro::main) {	3811	if ($Coro::current != $Coro::main) {
2535	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3812	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2536	unless ++$bug_warning > 10;	3813	unless ++$bug_warning > 10;
2537	return;	3814	return;
2538	}	3815	}
2539		3816
2540	$NOW = Event::time;
2541
2542	cf::server_tick; # one server iteration	3817	cf::server_tick; # one server iteration
2543	$RUNTIME += $TICK;
2544	$NEXT_TICK += $TICK;
2545		3818
2546	$WAIT_FOR_TICK->broadcast;	3819	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2547	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3820	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		3821	Coro::async_pool {
		3822	$Coro::current->{desc} = "runtime saver";
		3823	write_runtime_sync
		3824	or warn "ERROR: unable to write runtime file: $!";
		3825	};
		3826	}
2548		3827
2549	Event::sweep;	3828	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2550	Coro::cede_notself;	3829	$sig->send;
		3830	}
		3831	while (my $sig = shift @WAIT_FOR_TICK) {
		3832	$sig->send;
		3833	}
		3834
		3835	$LOAD = ($NOW - $TICK_START) / $TICK;
		3836	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3837
		3838	if (0) {
		3839	if ($NEXT_TICK) {
		3840	my $jitter = $TICK_START - $NEXT_TICK;
		3841	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3842	warn "jitter $JITTER\n";#d#
2551		3843	}
2552	# my $AFTER = Event::time;
2553	# warn $AFTER - $NOW;#d#
2554
2555	# if we are delayed by four ticks or more, skip them all
2556	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2557
2558	$TICK_WATCHER->at ($NEXT_TICK);
2559	$TICK_WATCHER->start;
2560	},	3844	}
2561	);	3845	}
2562		3846
2563	{	3847	{
2564	BDB::max_poll_time $TICK * 0.1;	3848	# configure BDB
2565	$BDB_POLL_WATCHER = Event->io (	3849
2566	reentrant => 0,
2567	fd => BDB::poll_fileno,
2568	poll => 'r',
2569	prio => 0,
2570	data => WF_AUTOCANCEL,
2571	cb => \&BDB::poll_cb,
2572	);
2573	BDB::min_parallel 8;	3850	BDB::min_parallel 8;
2574		3851	BDB::max_poll_reqs $TICK * 0.1;
2575	BDB::set_sync_prepare {	3852	$AnyEvent::BDB::WATCHER->priority (1);
2576	my $status;
2577	my $current = $Coro::current;
2578	(
2579	sub {
2580	$status = $!;
2581	$current->ready; undef $current;
2582	},
2583	sub {
2584	Coro::schedule while defined $current;
2585	$! = $status;
2586	},
2587	)
2588	};
2589		3853
2590	unless ($DB_ENV) {	3854	unless ($DB_ENV) {
2591	$DB_ENV = BDB::db_env_create;	3855	$DB_ENV = BDB::db_env_create;
		3856	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3857	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3858	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3859	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3860	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2592		3861
2593	cf::sync_job {	3862	cf::sync_job {
		3863	eval {
2594	BDB::db_env_open	3864	BDB::db_env_open
2595	$DB_ENV,	3865	$DB_ENV,
2596	$BDB_ENV_DIR,	3866	$BDBDIR,
2597	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3867	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2598	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3868	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2599	0666;	3869	0666;
2600		3870
2601	cf::cleanup "$!" if $!;	3871	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2602		3872	};
2603	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3873
		3874	cf::cleanup "db_env_open(db): $@" if $@;
2604	};	3875	};
2605	}	3876	}
		3877
		3878	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3879	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3880	};
		3881	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3882	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3883	};
		3884	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3885	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3886	};
2606	}	3887	}
2607		3888
2608	{	3889	{
		3890	# configure IO::AIO
		3891
2609	IO::AIO::min_parallel 8;	3892	IO::AIO::min_parallel 8;
2610
2611	undef $Coro::AIO::WATCHER;
2612	IO::AIO::max_poll_time $TICK * 0.1;	3893	IO::AIO::max_poll_time $TICK * 0.1;
2613	$AIO_POLL_WATCHER = Event->io (	3894	undef $AnyEvent::AIO::WATCHER;
2614	reentrant => 0,
2615	fd => IO::AIO::poll_fileno,
2616	poll => 'r',
2617	prio => 6,
2618	data => WF_AUTOCANCEL,
2619	cb => \&IO::AIO::poll_cb,
2620	);
2621	}	3895	}
2622		3896
2623	$WRITE_RUNTIME_WATCHER = Event->timer (	3897	my $_log_backtrace;
2624	reentrant => 0,	3898
2625	data => WF_AUTOCANCEL,	3899	sub _log_backtrace {
2626	after => 1,	3900	my ($msg, @addr) = @_;
2627	interval => 10,	3901
2628	prio => 6, # keep it lowest so it acts like a watchdog	3902	$msg =~ s/\n//;
2629	cb => Coro::unblock_sub {	3903
2630	write_runtime	3904	# limit the # of concurrent backtraces
2631	or warn "ERROR: unable to write runtime file: $!";	3905	if ($_log_backtrace < 2) {
		3906	++$_log_backtrace;
		3907	my $perl_bt = Carp::longmess $msg;
		3908	async {
		3909	$Coro::current->{desc} = "abt $msg";
		3910
		3911	my @bt = fork_call {
		3912	@addr = map { sprintf "%x", $_ } @addr;
		3913	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3914	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3915	or die "addr2line: $!";
		3916
		3917	my @funcs;
		3918	my @res = <$fh>;
		3919	chomp for @res;
		3920	while (@res) {
		3921	my ($func, $line) = splice @res, 0, 2, ();
		3922	push @funcs, "[$func] $line";
		3923	}
		3924
		3925	@funcs
		3926	};
		3927
		3928	LOG llevInfo, "[ABT] $perl_bt\n";
		3929	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3930	LOG llevInfo, "[ABT] $_\n" for @bt;
		3931	--$_log_backtrace;
		3932	};
		3933	} else {
		3934	LOG llevInfo, "[ABT] $msg\n";
		3935	LOG llevInfo, "[ABT] [suppressed]\n";
2632	},	3936	}
2633	);	3937	}
		3938
		3939	# load additional modules
		3940	use cf::pod;
2634		3941
2635	END { cf::emergency_save }	3942	END { cf::emergency_save }
2636		3943
2637	1	3944	1
2638		3945

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