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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.223 by root, Sun Mar 11 02:12:44 2007 UTC vs.
Revision 1.474 by root, Thu Jul 16 21:42:56 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict qw(vars subs);
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
		31	use EV;
9	use Opcode;	32	use Opcode;
10	use Safe;	33	use Safe;
11	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
12		36
		37	use Guard ();
13	use Coro 3.5 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
20	use BDB ();	54	use BDB ();
21	use Data::Dumper;	55	use Data::Dumper;
22	use Digest::MD5;	56	use Digest::MD5;
23	use Fcntl;	57	use Fcntl;
		58	use YAML ();
24	use IO::AIO 2.32 ();	59	use IO::AIO ();
25	use YAML::Syck ();
26	use Time::HiRes;	60	use Time::HiRes;
27	use Compress::LZF;	61	use Compress::LZF;
		62	use Digest::MD5 ();
28		63
		64	AnyEvent::detect;
		65
		66	# configure various modules to our taste
		67	#
		68	$Storable::canonical = 1; # reduce rsync transfers
		69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		76
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	77	# strictly for debugging
		78	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
32		79
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	80	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		81
40	our %COMMAND = ();	82	our %COMMAND = ();
41	our %COMMAND_TIME = ();	83	our %COMMAND_TIME = ();
42		84
43	our @EXTS = (); # list of extension package names	85	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	86	our %EXTCMD = ();
		87	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	88	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	89	our %EXT_MAP = (); # pluggable maps
47		90
48	our $RELOAD; # number of reloads so far	91	our $RELOAD; # number of reloads so far, non-zero while in reload
49	our @EVENT;	92	our @EVENT;
50	our $LIBDIR = datadir . "/ext";
51		93
52	our $TICK = MAX_TIME * 1e-6;	94	our $CONFDIR = confdir;
53	our $TICK_WATCHER;	95	our $DATADIR = datadir;
54	our $AIO_POLL_WATCHER;	96	our $LIBDIR = "$DATADIR/ext";
		97	our $PODDIR = "$DATADIR/pod";
		98	our $MAPDIR = "$DATADIR/" . mapdir;
		99	our $LOCALDIR = localdir;
		100	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		101	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		102	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		103	our $RANDOMDIR = "$LOCALDIR/random";
		104	our $BDBDIR = "$LOCALDIR/db";
		105	our $PIDFILE = "$LOCALDIR/pid";
		106	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		107
		108	our %RESOURCE;
		109
		110	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
55	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	111	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
56	our $NEXT_TICK;	112	our $NEXT_TICK;
57	our $NOW;
58	our $USE_FSYNC = 1; # use fsync to write maps - default off	113	our $USE_FSYNC = 1; # use fsync to write maps - default on
59		114
		115	our $BDB_DEADLOCK_WATCHER;
		116	our $BDB_CHECKPOINT_WATCHER;
60	our $BDB_POLL_WATCHER;	117	our $BDB_TRICKLE_WATCHER;
61	our $DB_ENV;	118	our $DB_ENV;
		119
		120	our @EXTRA_MODULES = qw(pod mapscript);
62		121
63	our %CFG;	122	our %CFG;
64		123
65	our $UPTIME; $UPTIME ||= time;	124	our $UPTIME; $UPTIME ||= time;
66	our $RUNTIME;	125	our $RUNTIME;
		126	our $NOW;
67		127
68	our %PLAYER; # all users	128	our (%PLAYER, %PLAYER_LOADING); # all users
69	our %MAP; # all maps	129	our (%MAP, %MAP_LOADING ); # all maps
70	our $LINK_MAP; # the special {link} map, which is always available	130	our $LINK_MAP; # the special {link} map, which is always available
71	our $RANDOM_MAPS = cf::localdir . "/random";
72	our $BDB_ENV_DIR = cf::localdir . "/db";
73
74	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
75	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
76		131
77	# used to convert map paths into valid unix filenames by replacing / by ∕	132	# used to convert map paths into valid unix filenames by replacing / by ∕
78	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	133	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
79		134
		135	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		136	our $LOADAVG; # same thing, but with alpha-smoothing
		137	our $JITTER; # average jitter
		138	our $TICK_START; # for load detecting purposes
		139
		140	our @POST_INIT;
		141
		142	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		143	our $REALLY_UNLOOP; # never set to true, please :)
		144
80	binmode STDOUT;	145	binmode STDOUT;
81	binmode STDERR;	146	binmode STDERR;
82		147
83	# read virtual server time, if available	148	# read virtual server time, if available
84	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	149	unless ($RUNTIME || !-e $RUNTIMEFILE) {
85	open my $fh, "<", cf::localdir . "/runtime"	150	open my $fh, "<", $RUNTIMEFILE
86	or die "unable to read runtime file: $!";	151	or die "unable to read $RUNTIMEFILE file: $!";
87	$RUNTIME = <$fh> + 0.;	152	$RUNTIME = <$fh> + 0.;
88	}	153	}
89		154
90	mkdir cf::localdir;	155	eval "sub TICK() { $TICK } 1" or die;
91	mkdir cf::localdir . "/" . cf::playerdir;	156
92	mkdir cf::localdir . "/" . cf::tmpdir;	157	mkdir $_
93	mkdir cf::localdir . "/" . cf::uniquedir;	158	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
94	mkdir $RANDOM_MAPS;
95	mkdir $BDB_ENV_DIR;
96		159
97	our $EMERGENCY_POSITION;	160	our $EMERGENCY_POSITION;
98		161
99	sub cf::map::normalise;	162	sub cf::map::normalise;
100		163
…		…
111	=item $cf::RUNTIME	174	=item $cf::RUNTIME
112		175
113	The time this server has run, starts at 0 and is increased by $cf::TICK on	176	The time this server has run, starts at 0 and is increased by $cf::TICK on
114	every server tick.	177	every server tick.
115		178
116	=item $cf::LIBDIR	179	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		180	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		181	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
117		182
118	The perl library directory, where extensions and cf-specific modules can	183	Various directories - "/etc", read-only install directory, perl-library
119	be found. It will be added to C<@INC> automatically.	184	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		185	unique-items directory, player file directory, random maps directory and
		186	database environment.
120		187
121	=item $cf::NOW	188	=item $cf::NOW
122		189
123	The time of the last (current) server tick.	190	The time of the last (current) server tick.
124		191
125	=item $cf::TICK	192	=item $cf::TICK
126		193
127	The interval between server ticks, in seconds.	194	The interval between server ticks, in seconds.
128		195
		196	=item $cf::LOADAVG
		197
		198	The current CPU load on the server (alpha-smoothed), as a value between 0
		199	(none) and 1 (overloaded), indicating how much time is spent on processing
		200	objects per tick. Healthy values are < 0.5.
		201
		202	=item $cf::LOAD
		203
		204	The raw value load value from the last tick.
		205
129	=item %cf::CFG	206	=item %cf::CFG
130		207
131	Configuration for the server, loaded from C</etc/crossfire/config>, or	208	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
132	from wherever your confdir points to.	209	from wherever your confdir points to.
133		210
134	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	211	=item cf::wait_for_tick, cf::wait_for_tick_begin
135		212
136	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	213	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
137	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	214	returns directly I<after> the tick processing (and consequently, can only wake one process
138	processing has been done. Call C<< ->wait >> on them to maximise the	215	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
139	window of cpu time available, or simply to synchronise to the server tick.	216
		217	=item @cf::INVOKE_RESULTS
		218
		219	This array contains the results of the last C<invoke ()> call. When
		220	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		221	that call.
140		222
141	=back	223	=back
142		224
143	=cut	225	=cut
144		226
145	BEGIN {	227	BEGIN {
146	*CORE::GLOBAL::warn = sub {	228	*CORE::GLOBAL::warn = sub {
147	my $msg = join "", @_;	229	my $msg = join "", @_;
148	utf8::encode $msg;
149		230
150	$msg .= "\n"	231	$msg .= "\n"
151	unless $msg =~ /\n$/;	232	unless $msg =~ /\n$/;
152		233
		234	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		235
153	LOG llevError, $msg;	236	LOG llevError, $msg;
154	};	237	};
155	}	238	}
		239
		240	$Coro::State::DIEHOOK = sub {
		241	return unless $^S eq 0; # "eq", not "=="
		242
		243	if ($Coro::current == $Coro::main) {#d#
		244	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		245	return;#d#
		246	}#d#
		247
		248	# kill coroutine otherwise
		249	warn Carp::longmess $_[0];
		250	Coro::terminate
		251	};
		252
		253	$SIG{__DIE__} = sub { }; #d#?
156		254
157	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	255	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
158	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	256	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
159	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	257	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
160	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	258	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
161	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	259	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		260	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
162	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	261	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
163		262
164	# we bless all objects into (empty) derived classes to force a method lookup	263	# we bless all objects into (empty) derived classes to force a method lookup
165	# within the Safe compartment.	264	# within the Safe compartment.
166	for my $pkg (qw(	265	for my $pkg (qw(
167	cf::global cf::attachable	266	cf::global cf::attachable
168	cf::object cf::object::player	267	cf::object cf::object::player
169	cf::client cf::player	268	cf::client cf::player
170	cf::arch cf::living	269	cf::arch cf::living
		270	cf::map cf::mapspace
171	cf::map cf::party cf::region	271	cf::party cf::region
172	)) {	272	)) {
173	no strict 'refs';
174	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	273	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
175	}	274	}
176		275
177	$Event::DIED = sub {	276	$EV::DIED = sub {
178	warn "error in event callback: @_";	277	warn "error in event callback: @_";
179	};	278	};
		279
		280	#############################################################################
180		281
181	=head2 UTILITY FUNCTIONS	282	=head2 UTILITY FUNCTIONS
182		283
183	=over 4	284	=over 4
184		285
…		…
203	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	304	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
204	$d	305	$d
205	} || "[unable to dump $_[0]: '$@']";	306	} || "[unable to dump $_[0]: '$@']";
206	}	307	}
207		308
208	use JSON::Syck (); # TODO# replace by JSON::PC once working
209
210	=item $ref = cf::from_json $json	309	=item $ref = cf::decode_json $json
211		310
212	Converts a JSON string into the corresponding perl data structure.	311	Converts a JSON string into the corresponding perl data structure.
213		312
214	=cut
215
216	sub from_json($) {
217	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
218	JSON::Syck::Load $_[0]
219	}
220
221	=item $json = cf::to_json $ref	313	=item $json = cf::encode_json $ref
222		314
223	Converts a perl data structure into its JSON representation.	315	Converts a perl data structure into its JSON representation.
224		316
225	=cut	317	=cut
226		318
227	sub to_json($) {	319	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
228	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	320
229	JSON::Syck::Dump $_[0]	321	sub encode_json($) { $json_coder->encode ($_[0]) }
		322	sub decode_json($) { $json_coder->decode ($_[0]) }
		323
		324	=item cf::post_init { BLOCK }
		325
		326	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		327	but I<before> the server starts ticking again.
		328
		329	The cdoeblock will have a single boolean argument to indicate whether this
		330	is a reload or not.
		331
		332	=cut
		333
		334	sub post_init(&) {
		335	push @POST_INIT, shift;
230	}	336	}
231		337
232	=item cf::lock_wait $string	338	=item cf::lock_wait $string
233		339
234	Wait until the given lock is available. See cf::lock_acquire.	340	Wait until the given lock is available. See cf::lock_acquire.
235		341
236	=item my $lock = cf::lock_acquire $string	342	=item my $lock = cf::lock_acquire $string
237		343
238	Wait until the given lock is available and then acquires it and returns	344	Wait until the given lock is available and then acquires it and returns
239	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	345	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
240	for example when the coroutine gets canceled), the lock is automatically	346	for example when the coroutine gets canceled), the lock is automatically
241	returned.	347	returned.
242		348
		349	Locks are *not* recursive, locking from the same coro twice results in a
		350	deadlocked coro.
		351
243	Lock names should begin with a unique identifier (for example, cf::map::find	352	Lock names should begin with a unique identifier (for example, cf::map::find
244	uses map_find and cf::map::load uses map_load).	353	uses map_find and cf::map::load uses map_load).
245		354
246	=cut	355	=item $locked = cf::lock_active $string
247		356
248	our %LOCK;	357	Return true if the lock is currently active, i.e. somebody has locked it.
		358
		359	=cut
		360
		361	our $LOCKS = new Coro::SemaphoreSet;
249		362
250	sub lock_wait($) {	363	sub lock_wait($) {
251	my ($key) = @_;	364	$LOCKS->wait ($_[0]);
252
253	# wait for lock, if any
254	while ($LOCK{$key}) {
255	push @{ $LOCK{$key} }, $Coro::current;
256	Coro::schedule;
257	}
258	}	365	}
259		366
260	sub lock_acquire($) {	367	sub lock_acquire($) {
261	my ($key) = @_;	368	$LOCKS->guard ($_[0])
		369	}
262		370
263	# wait, to be sure we are not locked	371	sub lock_active($) {
264	lock_wait $key;	372	$LOCKS->count ($_[0]) < 1
265
266	$LOCK{$key} = [];
267
268	Coro::guard {
269	# wake up all waiters, to be on the safe side
270	$_->ready for @{ delete $LOCK{$key} };
271	}
272	}	373	}
273		374
274	sub freeze_mainloop {	375	sub freeze_mainloop {
275	return unless $TICK_WATCHER->is_active;	376	tick_inhibit_inc;
276		377
277	my $guard = Coro::guard {	378	&Guard::guard (\&tick_inhibit_dec);
278	$TICK_WATCHER->start;	379	}
		380
		381	=item cf::periodic $interval, $cb
		382
		383	Like EV::periodic, but randomly selects a starting point so that the actions
		384	get spread over timer.
		385
		386	=cut
		387
		388	sub periodic($$) {
		389	my ($interval, $cb) = @_;
		390
		391	my $start = rand List::Util::min 180, $interval;
		392
		393	EV::periodic $start, $interval, 0, $cb
		394	}
		395
		396	=item cf::get_slot $time[, $priority[, $name]]
		397
		398	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		399	This call blocks and returns only when you have at least C<$time> seconds
		400	of cpu time till the next tick. The slot is only valid till the next cede.
		401
		402	The optional C<$name> can be used to identify the job to run. It might be
		403	used for statistical purposes and should identify the same time-class.
		404
		405	Useful for short background jobs.
		406
		407	=cut
		408
		409	our @SLOT_QUEUE;
		410	our $SLOT_QUEUE;
		411
		412	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		413	$SLOT_QUEUE = Coro::async {
		414	$Coro::current->desc ("timeslot manager");
		415
		416	my $signal = new Coro::Signal;
		417
		418	while () {
		419	next_job:
		420	my $avail = cf::till_tick;
		421	if ($avail > 0.01) {
		422	for (0 .. $#SLOT_QUEUE) {
		423	if ($SLOT_QUEUE[$_][0] < $avail) {
		424	my $job = splice @SLOT_QUEUE, $_, 1, ();
		425	$job->[2]->send;
		426	Coro::cede;
		427	goto next_job;
		428	}
		429	}
		430	}
		431
		432	if (@SLOT_QUEUE) {
		433	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		434	push @cf::WAIT_FOR_TICK, $signal;
		435	$signal->wait;
		436	} else {
		437	Coro::schedule;
		438	}
279	};	439	}
280	$TICK_WATCHER->stop;	440	};
281	$guard	441
		442	sub get_slot($;$$) {
		443	return if tick_inhibit || $Coro::current == $Coro::main;
		444
		445	my ($time, $pri, $name) = @_;
		446
		447	$time = $TICK * .6 if $time > $TICK * .6;
		448	my $sig = new Coro::Signal;
		449
		450	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		451	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		452	$SLOT_QUEUE->ready;
		453	$sig->wait;
282	}	454	}
283		455
284	=item cf::async { BLOCK }	456	=item cf::async { BLOCK }
285		457
286	Currently the same as Coro::async_pool, meaning you cannot use	458	Currently the same as Coro::async_pool, meaning you cannot use
…		…
291		463
292	BEGIN { *async = \&Coro::async_pool }	464	BEGIN { *async = \&Coro::async_pool }
293		465
294	=item cf::sync_job { BLOCK }	466	=item cf::sync_job { BLOCK }
295		467
296	The design of crossfire+ requires that the main coro ($Coro::main) is	468	The design of Deliantra requires that the main coroutine ($Coro::main)
297	always able to handle events or runnable, as crossfire+ is only partly	469	is always able to handle events or runnable, as Deliantra is only
298	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	470	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		471	acceptable.
299		472
300	If it must be done, put the blocking parts into C<sync_job>. This will run	473	If it must be done, put the blocking parts into C<sync_job>. This will run
301	the given BLOCK in another coroutine while waiting for the result. The	474	the given BLOCK in another coroutine while waiting for the result. The
302	server will be frozen during this time, so the block should either finish	475	server will be frozen during this time, so the block should either finish
303	fast or be very important.	476	fast or be very important.
…		…
306		479
307	sub sync_job(&) {	480	sub sync_job(&) {
308	my ($job) = @_;	481	my ($job) = @_;
309		482
310	if ($Coro::current == $Coro::main) {	483	if ($Coro::current == $Coro::main) {
		484	my $time = EV::time;
		485
311	# this is the main coro, too bad, we have to block	486	# this is the main coro, too bad, we have to block
312	# till the operation succeeds, freezing the server :/	487	# till the operation succeeds, freezing the server :/
313		488
314	# TODO: use suspend/resume instead	489	LOG llevError, Carp::longmess "sync job";#d#
315	# (but this is cancel-safe)	490
316	my $freeze_guard = freeze_mainloop;	491	my $freeze_guard = freeze_mainloop;
317		492
318	my $busy = 1;	493	my $busy = 1;
319	my @res;	494	my @res;
320		495
321	(async {	496	(async {
		497	$Coro::current->desc ("sync job coro");
322	@res = eval { $job->() };	498	@res = eval { $job->() };
323	warn $@ if $@;	499	warn $@ if $@;
324	undef $busy;	500	undef $busy;
325	})->prio (Coro::PRIO_MAX);	501	})->prio (Coro::PRIO_MAX);
326		502
327	while ($busy) {	503	while ($busy) {
328	Coro::cede or Event::one_event;	504	if (Coro::nready) {
		505	Coro::cede_notself;
		506	} else {
		507	EV::loop EV::LOOP_ONESHOT;
329	}	508	}
		509	}
		510
		511	my $time = EV::time - $time;
		512
		513	$TICK_START += $time; # do not account sync jobs to server load
330		514
331	wantarray ? @res : $res[0]	515	wantarray ? @res : $res[0]
332	} else {	516	} else {
333	# we are in another coroutine, how wonderful, everything just works	517	# we are in another coroutine, how wonderful, everything just works
334		518
…		…
354	$EXT_CORO{$coro+0} = $coro;	538	$EXT_CORO{$coro+0} = $coro;
355		539
356	$coro	540	$coro
357	}	541	}
358		542
359	sub write_runtime {	543	=item fork_call { }, $args
360	my $guard = cf::lock_acquire "write_runtime";
361		544
362	my $runtime = cf::localdir . "/runtime";	545	Executes the given code block with the given arguments in a seperate
		546	process, returning the results. Everything must be serialisable with
		547	Coro::Storable. May, of course, block. Note that the executed sub may
		548	never block itself or use any form of event handling.
363		549
364	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	550	=cut
365	or return;
366		551
367	my $value = $cf::RUNTIME + 90 + 10;	552	sub fork_call(&@) {
368	# 10 is the runtime save interval, for a monotonic clock	553	my ($cb, @args) = @_;
369	# 60 allows for the watchdog to kill the server.
370		554
371	(aio_write $fh, 0, (length $value), $value, 0) <= 0	555	# we seemingly have to make a local copy of the whole thing,
372	and return;	556	# otherwise perl prematurely frees the stuff :/
		557	# TODO: investigate and fix (likely this will be rather laborious)
373		558
374	# always fsync - this file is important	559	my @res = Coro::Util::fork_eval {
375	aio_fsync $fh	560	reset_signals;
376	and return;	561	&$cb
		562	}, @args;
377		563
378	close $fh	564	wantarray ? @res : $res[-1]
379	or return;	565	}
380		566
381	aio_rename "$runtime~", $runtime	567	=item $coin = coin_from_name $name
382	and return;
383		568
		569	=cut
		570
		571	our %coin_alias = (
		572	"silver" => "silvercoin",
		573	"silvercoin" => "silvercoin",
		574	"silvercoins" => "silvercoin",
		575	"gold" => "goldcoin",
		576	"goldcoin" => "goldcoin",
		577	"goldcoins" => "goldcoin",
		578	"platinum" => "platinacoin",
		579	"platinumcoin" => "platinacoin",
		580	"platinumcoins" => "platinacoin",
		581	"platina" => "platinacoin",
		582	"platinacoin" => "platinacoin",
		583	"platinacoins" => "platinacoin",
		584	"royalty" => "royalty",
		585	"royalties" => "royalty",
		586	);
		587
		588	sub coin_from_name($) {
		589	$coin_alias{$_[0]}
		590	? cf::arch::find $coin_alias{$_[0]}
		591	: undef
		592	}
		593
		594	=item $value = cf::db_get $family => $key
		595
		596	Returns a single value from the environment database.
		597
		598	=item cf::db_put $family => $key => $value
		599
		600	Stores the given C<$value> in the family. It can currently store binary
		601	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		602
		603	=item $db = cf::db_table "name"
		604
		605	Create and/or open a new database table. The string must not be "db" and must be unique
		606	within each server.
		607
		608	=cut
		609
		610	sub db_table($) {
		611	my ($name) = @_;
		612	my $db = BDB::db_create $DB_ENV;
		613
		614	eval {
		615	$db->set_flags (BDB::CHKSUM);
		616
		617	utf8::encode $name;
		618	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		619	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		620	cf::cleanup "db_open(db): $!" if $!;
		621	};
		622	cf::cleanup "db_open(db): $@" if $@;
		623
		624	$db
		625	}
		626
		627	our $DB;
		628
		629	sub db_init {
		630	cf::sync_job {
		631	$DB ||= db_table "db";
		632	};
		633	}
		634
		635	sub db_get($$) {
		636	my $key = "$_[0]/$_[1]";
		637
		638	cf::sync_job {
		639	BDB::db_get $DB, undef, $key, my $data;
		640
		641	$! ? ()
		642	: $data
384	1	643	}
		644	}
		645
		646	sub db_put($$$) {
		647	BDB::dbreq_pri 4;
		648	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		649	}
		650
		651	=item cf::cache $id => [$paths...], $processversion => $process
		652
		653	Generic caching function that returns the value of the resource $id,
		654	caching and regenerating as required.
		655
		656	This function can block.
		657
		658	=cut
		659
		660	sub cache {
		661	my ($id, $src, $processversion, $process) = @_;
		662
		663	my $meta =
		664	join "\x00",
		665	$processversion,
		666	map {
		667	aio_stat $_
		668	and Carp::croak "$_: $!";
		669
		670	($_, (stat _)[7,9])
		671	} @$src;
		672
		673	my $dbmeta = db_get cache => "$id/meta";
		674	if ($dbmeta ne $meta) {
		675	# changed, we may need to process
		676
		677	my @data;
		678	my $md5;
		679
		680	for (0 .. $#$src) {
		681	0 <= aio_load $src->[$_], $data[$_]
		682	or Carp::croak "$src->[$_]: $!";
		683	}
		684
		685	# if processing is expensive, check
		686	# checksum first
		687	if (1) {
		688	$md5 =
		689	join "\x00",
		690	$processversion,
		691	map {
		692	cf::cede_to_tick;
		693	($src->[$_], Digest::MD5::md5_hex $data[$_])
		694	} 0.. $#$src;
		695
		696
		697	my $dbmd5 = db_get cache => "$id/md5";
		698	if ($dbmd5 eq $md5) {
		699	db_put cache => "$id/meta", $meta;
		700
		701	return db_get cache => "$id/data";
		702	}
		703	}
		704
		705	my $t1 = Time::HiRes::time;
		706	my $data = $process->(\@data);
		707	my $t2 = Time::HiRes::time;
		708
		709	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		710
		711	db_put cache => "$id/data", $data;
		712	db_put cache => "$id/md5" , $md5;
		713	db_put cache => "$id/meta", $meta;
		714
		715	return $data;
		716	}
		717
		718	db_get cache => "$id/data"
		719	}
		720
		721	=item cf::datalog type => key => value, ...
		722
		723	Log a datalog packet of the given type with the given key-value pairs.
		724
		725	=cut
		726
		727	sub datalog($@) {
		728	my ($type, %kv) = @_;
		729	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
385	}	730	}
386		731
387	=back	732	=back
388		733
389	=cut	734	=cut
390		735
391	#############################################################################	736	#############################################################################
392		737
393	=head2 ATTACHABLE OBJECTS	738	=head2 ATTACHABLE OBJECTS
394		739
395	Many objects in crossfire are so-called attachable objects. That means you can	740	Many objects in deliantra are so-called attachable objects. That means you can
396	attach callbacks/event handlers (a collection of which is called an "attachment")	741	attach callbacks/event handlers (a collection of which is called an "attachment")
397	to it. All such attachable objects support the following methods.	742	to it. All such attachable objects support the following methods.
398		743
399	In the following description, CLASS can be any of C<global>, C<object>	744	In the following description, CLASS can be any of C<global>, C<object>
400	C<player>, C<client> or C<map> (i.e. the attachable objects in	745	C<player>, C<client> or C<map> (i.e. the attachable objects in
401	crossfire+).	746	Deliantra).
402		747
403	=over 4	748	=over 4
404		749
405	=item $attachable->attach ($attachment, key => $value...)	750	=item $attachable->attach ($attachment, key => $value...)
406		751
…		…
450	=item cf::CLASS::attachment $name, ...	795	=item cf::CLASS::attachment $name, ...
451		796
452	Register an attachment by C<$name> through which attachable objects of the	797	Register an attachment by C<$name> through which attachable objects of the
453	given CLASS can refer to this attachment.	798	given CLASS can refer to this attachment.
454		799
455	Some classes such as crossfire maps and objects can specify attachments	800	Some classes such as deliantra maps and objects can specify attachments
456	that are attached at load/instantiate time, thus the need for a name.	801	that are attached at load/instantiate time, thus the need for a name.
457		802
458	These calls expect any number of the following handler/hook descriptions:	803	These calls expect any number of the following handler/hook descriptions:
459		804
460	=over 4	805	=over 4
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	914	$registry = $CB_TYPE[$object_type] ||= [];
570		915
571	} elsif ($type eq "subtype") {	916	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	917	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	918	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	919	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		920
576	} elsif ($type eq "package") {	921	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	922	my $pkg = shift @arg;
578		923
579	while (my ($name, $id) = each %cb_id) {	924	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	953	_attach $registry, $klass, @attach;
609	}	954	}
610		955
611	$obj->{$name} = \%arg;	956	$obj->{$name} = \%arg;
612	} else {	957	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	958	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	959	}
615		960
616	$obj->{_attachment}{$name} = undef;	961	$obj->{_attachment}{$name} = undef;
617	}	962	}
618		963
…		…
620	if (ref $_[0]) {	965	if (ref $_[0]) {
621	_object_attach @_;	966	_object_attach @_;
622	} else {	967	} else {
623	_attach shift->_attach_registry, @_;	968	_attach shift->_attach_registry, @_;
624	}	969	}
		970	_recalc_want;
625	};	971	};
626		972
627	# all those should be optimised	973	# all those should be optimised
628	sub cf::attachable::detach {	974	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	975	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	978	delete $obj->{_attachment}{$name};
633	reattach ($obj);	979	reattach ($obj);
634	} else {	980	} else {
635	Carp::croak "cannot, currently, detach class attachments";	981	Carp::croak "cannot, currently, detach class attachments";
636	}	982	}
		983	_recalc_want;
637	};	984	};
638		985
639	sub cf::attachable::attached {	986	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	987	my ($obj, $name) = @_;
641		988
…		…
656	";	1003	";
657	die if $@;	1004	die if $@;
658	}	1005	}
659		1006
660	our $override;	1007	our $override;
661	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1008	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
662		1009
663	sub override {	1010	sub override {
664	$override = 1;	1011	$override = 1;
665	@invoke_results = ();	1012	@INVOKE_RESULTS = (@_);
666	}	1013	}
667		1014
668	sub do_invoke {	1015	sub do_invoke {
669	my $event = shift;	1016	my $event = shift;
670	my $callbacks = shift;	1017	my $callbacks = shift;
671		1018
672	@invoke_results = ();	1019	@INVOKE_RESULTS = ();
673		1020
674	local $override;	1021	local $override;
675		1022
676	for (@$callbacks) {	1023	for (@$callbacks) {
677	eval { &{$_->[1]} };	1024	eval { &{$_->[1]} };
…		…
686	}	1033	}
687		1034
688	0	1035	0
689	}	1036	}
690		1037
691	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1038	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
692		1039
693	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1040	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
694		1041
695	Generate an object-specific event with the given arguments.	1042	Generate an object-specific event with the given arguments.
696		1043
697	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1044	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
698	removed in future versions), and there is no public API to access override	1045	removed in future versions), and there is no public API to access override
699	results (if you must, access C<@cf::invoke_results> directly).	1046	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		1047
701	=back	1048	=back
702		1049
703	=cut	1050	=cut
704		1051
705	#############################################################################	1052	#############################################################################
706	# object support	1053	# object support
		1054
		1055	sub _object_equal($$);
		1056	sub _object_equal($$) {
		1057	my ($a, $b) = @_;
		1058
		1059	return 0 unless (ref $a) eq (ref $b);
		1060
		1061	if ("HASH" eq ref $a) {
		1062	my @ka = keys %$a;
		1063	my @kb = keys %$b;
		1064
		1065	return 0 if @ka != @kb;
		1066
		1067	for (0 .. $#ka) {
		1068	return 0 unless $ka[$_] eq $kb[$_];
		1069	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1070	}
		1071
		1072	} elsif ("ARRAY" eq ref $a) {
		1073
		1074	return 0 if @$a != @$b;
		1075
		1076	for (0 .. $#$a) {
		1077	return 0 unless _object_equal $a->[$_], $b->[$_];
		1078	}
		1079
		1080	} elsif ($a ne $b) {
		1081	return 0;
		1082	}
		1083
		1084	1
		1085	}
		1086
		1087	our $SLOW_MERGES;#d#
		1088	sub _can_merge {
		1089	my ($ob1, $ob2) = @_;
		1090
		1091	++$SLOW_MERGES;#d#
		1092
		1093	# we do the slow way here
		1094	return _object_equal $ob1, $ob2
		1095	}
707		1096
708	sub reattach {	1097	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1098	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1099	my ($obj) = @_;
711		1100
		1101	# no longer needed after getting rid of delete_package?
712	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1102	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
713		1103
714	my $registry = $obj->registry;	1104	my $registry = $obj->registry;
715		1105
716	@$registry = ();	1106	@$registry = ();
717		1107
…		…
732	cf::attachable->attach (	1122	cf::attachable->attach (
733	prio => -1000000,	1123	prio => -1000000,
734	on_instantiate => sub {	1124	on_instantiate => sub {
735	my ($obj, $data) = @_;	1125	my ($obj, $data) = @_;
736		1126
737	$data = from_json $data;	1127	$data = decode_json $data;
738		1128
739	for (@$data) {	1129	for (@$data) {
740	my ($name, $args) = @$_;	1130	my ($name, $args) = @$_;
741		1131
742	$obj->attach ($name, %{$args || {} });	1132	$obj->attach ($name, %{$args || {} });
…		…
758	sub object_freezer_save {	1148	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1149	my ($filename, $rdata, $objs) = @_;
760		1150
761	sync_job {	1151	sync_job {
762	if (length $$rdata) {	1152	if (length $$rdata) {
		1153	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1154	warn sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1155	$decname, length $$rdata, scalar @$objs;
765		1156
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1157	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1158	aio_chmod $fh, SAVE_MODE;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1159	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	aio_fsync $fh if $cf::USE_FSYNC;	1160	if ($cf::USE_FSYNC) {
		1161	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1162	aio_fsync $fh;
		1163	}
770	close $fh;	1164	aio_close $fh;
771		1165
772	if (@$objs) {	1166	if (@$objs) {
773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1167	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
774	chmod SAVE_MODE, $fh;	1168	aio_chmod $fh, SAVE_MODE;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1169	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1170	aio_write $fh, 0, (length $data), $data, 0;
777	aio_fsync $fh if $cf::USE_FSYNC;	1171	if ($cf::USE_FSYNC) {
		1172	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1173	aio_fsync $fh;
		1174	}
778	close $fh;	1175	aio_close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1176	aio_rename "$filename.pst~", "$filename.pst";
780	}	1177	}
781	} else {	1178	} else {
782	aio_unlink "$filename.pst";	1179	aio_unlink "$filename.pst";
783	}	1180	}
784		1181
785	aio_rename "$filename~", $filename;	1182	aio_rename "$filename~", $filename;
		1183
		1184	$filename =~ s%/[^/]+$%%;
		1185	aio_pathsync $filename if $cf::USE_FSYNC;
786	} else {	1186	} else {
787	warn "FATAL: $filename~: $!\n";	1187	warn "unable to save objects: $filename~: $!\n";
788	}	1188	}
789	} else {	1189	} else {
790	aio_unlink $filename;	1190	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1191	aio_unlink "$filename.pst";
792	}	1192	}
793	}	1193	};
794	}	1194	}
795		1195
796	sub object_freezer_as_string {	1196	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1197	my ($rdata, $objs) = @_;
798		1198
…		…
810	or return;	1210	or return;
811		1211
812	unless (aio_stat "$filename.pst") {	1212	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1213	(aio_load "$filename.pst", $av) >= 0
814	or return;	1214	or return;
		1215
815	$av = eval { (Storable::thaw $av)->{objs} };	1216	my $st = eval { Coro::Storable::thaw $av };
		1217	$av = $st->{objs};
816	}	1218	}
817		1219
		1220	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1221	warn sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1222	$decname, length $data, scalar @{$av || []};
		1223
820	return ($data, $av);	1224	($data, $av)
821	}	1225	}
		1226
		1227	=head2 COMMAND CALLBACKS
		1228
		1229	=over 4
		1230
		1231	=cut
822		1232
823	#############################################################################	1233	#############################################################################
824	# command handling &c	1234	# command handling &c
825		1235
826	=item cf::register_command $name => \&callback($ob,$args);	1236	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1249	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1250	}
841		1251
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1252	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1253
844	Register a callbackf ro execution when the client sends an extcmd packet.	1254	Register a callback for execution when the client sends an (synchronous)
		1255	extcmd packet. Ext commands will be processed in the order they are
		1256	received by the server, like other user commands. The first argument is
		1257	the logged-in player. Ext commands can only be processed after a player
		1258	has logged in successfully.
845		1259
846	If the callback returns something, it is sent back as if reply was being	1260	If the callback returns something, it is sent back as if reply was being
847	called.	1261	called.
848		1262
		1263	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1264
		1265	Register a callback for execution when the client sends an (asynchronous)
		1266	exticmd packet. Exti commands are processed by the server as soon as they
		1267	are received, i.e. out of order w.r.t. other commands. The first argument
		1268	is a client socket. Exti commands can be received anytime, even before
		1269	log-in.
		1270
		1271	If the callback returns something, it is sent back as if reply was being
		1272	called.
		1273
849	=cut	1274	=cut
850		1275
851	sub register_extcmd {	1276	sub register_extcmd {
852	my ($name, $cb) = @_;	1277	my ($name, $cb) = @_;
853		1278
854	$EXTCMD{$name} = $cb;	1279	$EXTCMD{$name} = $cb;
855	}	1280	}
		1281
		1282	sub register_exticmd {
		1283	my ($name, $cb) = @_;
		1284
		1285	$EXTICMD{$name} = $cb;
		1286	}
		1287
		1288	use File::Glob ();
856		1289
857	cf::player->attach (	1290	cf::player->attach (
858	on_command => sub {	1291	on_command => sub {
859	my ($pl, $name, $params) = @_;	1292	my ($pl, $name, $params) = @_;
860		1293
…		…
868	cf::override;	1301	cf::override;
869	},	1302	},
870	on_extcmd => sub {	1303	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1304	my ($pl, $buf) = @_;
872		1305
873	my $msg = eval { from_json $buf };	1306	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1307
875	if (ref $msg) {	1308	if (ref $msg) {
		1309	my ($type, $reply, @payload) =
		1310	"ARRAY" eq ref $msg
		1311	? @$msg
		1312	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1313
		1314	my @reply;
		1315
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1316	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1317	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1318	}
		1319
		1320	$pl->ext_reply ($reply, @reply)
		1321	if $reply;
		1322
881	} else {	1323	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1324	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1325	}
884		1326
885	cf::override;	1327	cf::override;
886	},	1328	},
887	);	1329	);
888		1330
		1331	# "readahead" all extensions
889	sub load_extension {	1332	sub cache_extensions {
890	my ($path) = @_;	1333	my $grp = IO::AIO::aio_group;
891		1334
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1335	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
893	my $base = $1;	1336	for (grep /\.ext$/, @{$_[0]}) {
894	my $pkg = $1;	1337	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}	1338	}
917	die $@;
918	}	1339	};
919		1340
920	push @EXTS, $pkg;	1341	$grp
921	}	1342	}
922		1343
923	sub load_extensions {	1344	sub load_extensions {
		1345	cf::sync_job {
		1346	my %todo;
		1347
924	for my $ext (<$LIBDIR/*.ext>) {	1348	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1349	next unless -r $path;
926	eval {	1350
927	load_extension $ext;	1351	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1352	my $base = $1;
		1353	my $pkg = $1;
		1354	$pkg =~ s/[^[:word:]]/_/g;
		1355	$pkg = "ext::$pkg";
		1356
		1357	open my $fh, "<:utf8", $path
		1358	or die "$path: $!";
		1359
		1360	my $source = do { local $/; <$fh> };
		1361
		1362	my %ext = (
		1363	path => $path,
		1364	base => $base,
		1365	pkg => $pkg,
		1366	);
		1367
		1368	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1369	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1370
		1371	$ext{source} =
		1372	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1373	. "#line 1 \"$path\"\n{\n"
		1374	. $source
		1375	. "\n};\n1";
		1376
		1377	$todo{$base} = \%ext;
		1378	}
		1379
		1380	my %done;
		1381	while (%todo) {
		1382	my $progress;
		1383
		1384	while (my ($k, $v) = each %todo) {
		1385	for (split /,\s*/, $v->{meta}{depends}) {
		1386	goto skip
		1387	unless exists $done{$_};
		1388	}
		1389
		1390	warn "... loading '$k' into '$v->{pkg}'\n";
		1391
		1392	unless (eval $v->{source}) {
		1393	my $msg = $@ ? "$v->{path}: $@\n"
		1394	: "$v->{base}: extension inactive.\n";
		1395
		1396	if (exists $v->{meta}{mandatory}) {
		1397	warn $msg;
		1398	cf::cleanup "mandatory extension failed to load, exiting.";
		1399	}
		1400
		1401	warn $msg;
		1402	}
		1403
		1404	$done{$k} = delete $todo{$k};
		1405	push @EXTS, $v->{pkg};
		1406	$progress = 1;
928	1	1407	}
929	} or warn "$ext not loaded: $@";	1408
		1409	skip:
		1410	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1411	unless $progress;
		1412	}
930	}	1413	};
931	}	1414	}
932		1415
933	#############################################################################	1416	#############################################################################
934		1417
		1418	=back
		1419
935	=head2 CORE EXTENSIONS	1420	=head2 CORE EXTENSIONS
936		1421
937	Functions and methods that extend core crossfire objects.	1422	Functions and methods that extend core deliantra objects.
938		1423
939	=cut	1424	=cut
940		1425
941	package cf::player;	1426	package cf::player;
942		1427
…		…
944		1429
945	=head3 cf::player	1430	=head3 cf::player
946		1431
947	=over 4	1432	=over 4
948		1433
		1434	=item cf::player::num_playing
		1435
		1436	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1437
		1438	=cut
		1439
		1440	sub num_playing {
		1441	scalar grep
		1442	$_->ob->map
		1443	&& !$_->hidden
		1444	&& !$_->ob->flag (cf::FLAG_WIZ),
		1445	cf::player::list
		1446	}
		1447
949	=item cf::player::find $login	1448	=item cf::player::find $login
950		1449
951	Returns the given player object, loading it if necessary (might block).	1450	Returns the given player object, loading it if necessary (might block).
952		1451
953	=cut	1452	=cut
954		1453
955	sub playerdir($) {	1454	sub playerdir($) {
956	cf::localdir	1455	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1456	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1457	}
962		1458
963	sub path($) {	1459	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1460	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
965		1461
966	(playerdir $login) . "/$login.pl"	1462	(playerdir $login) . "/playerdata"
967	}	1463	}
968		1464
969	sub find_active($) {	1465	sub find_active($) {
970	$cf::PLAYER{$_[0]}	1466	$cf::PLAYER{$_[0]}
971	and $cf::PLAYER{$_[0]}->active	1467	and $cf::PLAYER{$_[0]}->active
…		…
974		1470
975	sub exists($) {	1471	sub exists($) {
976	my ($login) = @_;	1472	my ($login) = @_;
977		1473
978	$cf::PLAYER{$login}	1474	$cf::PLAYER{$login}
979	or cf::sync_job { !aio_stat path $login }	1475	or !aio_stat path $login
980	}	1476	}
981		1477
982	sub find($) {	1478	sub find($) {
983	return $cf::PLAYER{$_[0]} || do {	1479	return $cf::PLAYER{$_[0]} || do {
984	my $login = $_[0];	1480	my $login = $_[0];
985		1481
986	my $guard = cf::lock_acquire "user_find:$login";	1482	my $guard = cf::lock_acquire "user_find:$login";
987		1483
988	$cf::PLAYER{$_[0]} || do {	1484	$cf::PLAYER{$_[0]} || do {
989	my $pl = load_pl path $login	1485	# rename old playerfiles to new ones
		1486	#TODO: remove when no longer required
		1487	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1488	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1489	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1490	aio_unlink +(playerdir $login) . "/$login.pl";
		1491
		1492	my $f = new_from_file cf::object::thawer path $login
990	or return;	1493	or return;
		1494
		1495	my $pl = cf::player::load_pl $f
		1496	or return;
		1497
		1498	local $cf::PLAYER_LOADING{$login} = $pl;
		1499	$f->resolve_delayed_derefs;
991	$cf::PLAYER{$login} = $pl	1500	$cf::PLAYER{$login} = $pl
992	}	1501	}
993	}	1502	}
994	}	1503	}
995		1504
…		…
1004	return if $pl->{deny_save};	1513	return if $pl->{deny_save};
1005		1514
1006	aio_mkdir playerdir $pl, 0770;	1515	aio_mkdir playerdir $pl, 0770;
1007	$pl->{last_save} = $cf::RUNTIME;	1516	$pl->{last_save} = $cf::RUNTIME;
1008		1517
		1518	cf::get_slot 0.01;
		1519
1009	$pl->save_pl ($path);	1520	$pl->save_pl ($path);
1010	Coro::cede;	1521	cf::cede_to_tick;
1011	}	1522	}
1012		1523
1013	sub new($) {	1524	sub new($) {
1014	my ($login) = @_;	1525	my ($login) = @_;
1015		1526
…		…
1021	$cf::PLAYER{$login} = $self;	1532	$cf::PLAYER{$login} = $self;
1022		1533
1023	$self	1534	$self
1024	}	1535	}
1025		1536
		1537	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1538
		1539	=cut
		1540
		1541	sub send_msg {
		1542	my $ns = shift->ns
		1543	or return;
		1544	$ns->send_msg (@_);
		1545	}
		1546
1026	=item $pl->quit_character	1547	=item $pl->quit_character
1027		1548
1028	Nukes the player without looking back. If logged in, the connection will	1549	Nukes the player without looking back. If logged in, the connection will
1029	be destroyed. May block for a long time.	1550	be destroyed. May block for a long time.
1030		1551
…		…
1034	my ($pl) = @_;	1555	my ($pl) = @_;
1035		1556
1036	my $name = $pl->ob->name;	1557	my $name = $pl->ob->name;
1037		1558
1038	$pl->{deny_save} = 1;	1559	$pl->{deny_save} = 1;
1039	$pl->password ("*"); # this should lock out the player until we nuked the dir	1560	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1040		1561
1041	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1562	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1042	$pl->deactivate;	1563	$pl->deactivate;
		1564	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1565	$pl->ob->check_score;
1043	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1566	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1044	$pl->ns->destroy if $pl->ns;	1567	$pl->ns->destroy if $pl->ns;
1045		1568
1046	my $path = playerdir $pl;	1569	my $path = playerdir $pl;
1047	my $temp = "$path~$cf::RUNTIME~deleting~";	1570	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1077	while and may block, so not sync_job-capable, ever.	1600	while and may block, so not sync_job-capable, ever.
1078		1601
1079	=cut	1602	=cut
1080		1603
1081	sub list_logins {	1604	sub list_logins {
1082	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1605	my $dirs = aio_readdir $PLAYERDIR
1083	or return [];	1606	or return [];
1084		1607
1085	my @logins;	1608	my @logins;
1086		1609
1087	for my $login (@$dirs) {	1610	for my $login (@$dirs) {
		1611	my $path = path $login;
		1612
		1613	# a .pst is a dead give-away for a valid player
		1614	# if no pst file found, open and chekc for blocked users
		1615	if (aio_stat "$path.pst") {
1088	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1616	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1089	aio_read $fh, 0, 512, my $buf, 0 or next;	1617	aio_read $fh, 0, 512, my $buf, 0 or next;
1090	$buf !~ /^password -------------$/m or next; # official not-valid tag	1618	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1619	}
1091		1620
1092	utf8::decode $login;	1621	utf8::decode $login;
1093	push @logins, $login;	1622	push @logins, $login;
1094	}	1623	}
1095		1624
…		…
1122	}	1651	}
1123		1652
1124	\@paths	1653	\@paths
1125	}	1654	}
1126		1655
		1656	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1657
		1658	Expand deliantra pod fragments into protocol xml.
		1659
1127	=item $player->ext_reply ($msgid, $msgtype, %msg)	1660	=item $player->ext_reply ($msgid, @msg)
1128		1661
1129	Sends an ext reply to the player.	1662	Sends an ext reply to the player.
1130		1663
1131	=cut	1664	=cut
1132		1665
1133	sub ext_reply($$$%) {	1666	sub ext_reply($$@) {
1134	my ($self, $id, %msg) = @_;	1667	my ($self, $id, @msg) = @_;
1135		1668
1136	$msg{msgid} = $id;	1669	$self->ns->ext_reply ($id, @msg)
1137
1138	$self->send ("ext " . cf::to_json \%msg);
1139	}	1670	}
1140		1671
1141	package cf;	1672	=item $player->ext_msg ($type, @msg)
		1673
		1674	Sends an ext event to the client.
		1675
		1676	=cut
		1677
		1678	sub ext_msg($$@) {
		1679	my ($self, $type, @msg) = @_;
		1680
		1681	$self->ns->ext_msg ($type, @msg);
		1682	}
		1683
		1684	=head3 cf::region
		1685
		1686	=over 4
		1687
		1688	=cut
		1689
		1690	package cf::region;
		1691
		1692	=item cf::region::find_by_path $path
		1693
		1694	Tries to decuce the likely region for a map knowing only its path.
		1695
		1696	=cut
		1697
		1698	sub find_by_path($) {
		1699	my ($path) = @_;
		1700
		1701	my ($match, $specificity);
		1702
		1703	for my $region (list) {
		1704	if ($region->{match} && $path =~ $region->{match}) {
		1705	($match, $specificity) = ($region, $region->specificity)
		1706	if $region->specificity > $specificity;
		1707	}
		1708	}
		1709
		1710	$match
		1711	}
1142		1712
1143	=back	1713	=back
1144
1145		1714
1146	=head3 cf::map	1715	=head3 cf::map
1147		1716
1148	=over 4	1717	=over 4
1149		1718
…		…
1161	our $MAX_RESET = 3600;	1730	our $MAX_RESET = 3600;
1162	our $DEFAULT_RESET = 3000;	1731	our $DEFAULT_RESET = 3000;
1163		1732
1164	sub generate_random_map {	1733	sub generate_random_map {
1165	my ($self, $rmp) = @_;	1734	my ($self, $rmp) = @_;
		1735
		1736	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1737
1166	# mit "rum" bekleckern, nicht	1738	# mit "rum" bekleckern, nicht
1167	$self->_create_random_map (	1739	$self->_create_random_map (
1168	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1740	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1169	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1741	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1170	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1742	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1204	my ($self, $merge) = @_;	1776	my ($self, $merge) = @_;
1205		1777
1206	# we have to keep some variables in memory intact	1778	# we have to keep some variables in memory intact
1207	local $self->{path};	1779	local $self->{path};
1208	local $self->{load_path};	1780	local $self->{load_path};
1209	local $self->{deny_save};
1210	local $self->{deny_reset};
1211		1781
1212	$self->SUPER::thawer_merge ($merge);	1782	$self->SUPER::thawer_merge ($merge);
1213	}	1783	}
1214		1784
1215	sub normalise {	1785	sub normalise {
…		…
1262	$self->init; # pass $1 etc.	1832	$self->init; # pass $1 etc.
1263	return $self;	1833	return $self;
1264	}	1834	}
1265	}	1835	}
1266		1836
1267	Carp::carp "unable to resolve path '$path' (base '$base').";	1837	Carp::cluck "unable to resolve path '$path' (base '$base').";
1268	()	1838	()
1269	}	1839	}
1270		1840
1271	sub init {	1841	sub init {
1272	my ($self) = @_;	1842	my ($self) = @_;
…		…
1287		1857
1288	# the original (read-only) location	1858	# the original (read-only) location
1289	sub load_path {	1859	sub load_path {
1290	my ($self) = @_;	1860	my ($self) = @_;
1291		1861
1292	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1862	"$MAPDIR/$self->{path}.map"
1293	}	1863	}
1294		1864
1295	# the temporary/swap location	1865	# the temporary/swap location
1296	sub save_path {	1866	sub save_path {
1297	my ($self) = @_;	1867	my ($self) = @_;
1298		1868
1299	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1869	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1300	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1870	"$TMPDIR/$path.map"
1301	}	1871	}
1302		1872
1303	# the unique path, undef == no special unique path	1873	# the unique path, undef == no special unique path
1304	sub uniq_path {	1874	sub uniq_path {
1305	my ($self) = @_;	1875	my ($self) = @_;
1306		1876
1307	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1877	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1308	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1878	"$UNIQUEDIR/$path"
1309	}	1879	}
1310		1880
1311	# and all this just because we cannot iterate over	1881	sub decay_objects {
1312	# all maps in C++...
1313	sub change_all_map_light {
1314	my ($change) = @_;	1882	my ($self) = @_;
1315		1883
1316	$_->change_map_light ($change)	1884	return if $self->{deny_reset};
1317	for grep $_->outdoor, values %cf::MAP;	1885
		1886	$self->do_decay_objects;
1318	}	1887	}
1319		1888
1320	sub unlink_save {	1889	sub unlink_save {
1321	my ($self) = @_;	1890	my ($self) = @_;
1322		1891
…		…
1327		1896
1328	sub load_header_from($) {	1897	sub load_header_from($) {
1329	my ($self, $path) = @_;	1898	my ($self, $path) = @_;
1330		1899
1331	utf8::encode $path;	1900	utf8::encode $path;
1332	#aio_open $path, O_RDONLY, 0	1901	my $f = new_from_file cf::object::thawer $path
1333	# or return;
1334
1335	$self->_load_header ($path)
1336	or return;	1902	or return;
		1903
		1904	$self->_load_header ($f)
		1905	or return;
		1906
		1907	local $MAP_LOADING{$self->{path}} = $self;
		1908	$f->resolve_delayed_derefs;
1337		1909
1338	$self->{load_path} = $path;	1910	$self->{load_path} = $path;
1339		1911
1340	1	1912	1
1341	}	1913	}
…		…
1380	$self->load_header_orig	1952	$self->load_header_orig
1381	or return;	1953	or return;
1382	$self->prepare_orig;	1954	$self->prepare_orig;
1383	}	1955	}
1384		1956
		1957	$self->{deny_reset} = 1
		1958	if $self->no_reset;
		1959
		1960	$self->default_region (cf::region::find_by_path $self->{path})
		1961	unless $self->default_region;
		1962
1385	1	1963	1
1386	}	1964	}
1387		1965
1388	sub find;	1966	sub find;
1389	sub find {	1967	sub find {
1390	my ($path, $origin) = @_;	1968	my ($path, $origin) = @_;
1391		1969
1392	$path = normalise $path, $origin && $origin->path;	1970	$path = normalise $path, $origin && $origin->path;
1393		1971
		1972	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1394	cf::lock_wait "map_find:$path";	1973	my $guard2 = cf::lock_acquire "map_find:$path";
1395		1974
1396	$cf::MAP{$path} || do {	1975	$cf::MAP{$path} || do {
1397	my $guard = cf::lock_acquire "map_find:$path";
1398	my $map = new_from_path cf::map $path	1976	my $map = new_from_path cf::map $path
1399	or return;	1977	or return;
1400		1978
1401	$map->{last_save} = $cf::RUNTIME;	1979	$map->{last_save} = $cf::RUNTIME;
1402		1980
1403	$map->load_header	1981	$map->load_header
1404	or return;	1982	or return;
1405		1983
1406	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1984	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1407	# doing this can freeze the server in a sync job, obviously	1985	# doing this can freeze the server in a sync job, obviously
1408	#$cf::WAIT_FOR_TICK->wait;	1986	#$cf::WAIT_FOR_TICK->wait;
		1987	undef $guard2;
		1988	undef $guard1;
1409	$map->reset;	1989	$map->reset;
1410	undef $guard;
1411	return find $path;	1990	return find $path;
1412	}	1991	}
1413		1992
1414	$cf::MAP{$path} = $map	1993	$cf::MAP{$path} = $map
1415	}	1994	}
…		…
1422	my ($self) = @_;	2001	my ($self) = @_;
1423		2002
1424	local $self->{deny_reset} = 1; # loading can take a long time	2003	local $self->{deny_reset} = 1; # loading can take a long time
1425		2004
1426	my $path = $self->{path};	2005	my $path = $self->{path};
		2006
		2007	{
1427	my $guard = cf::lock_acquire "map_load:$path";	2008	my $guard = cf::lock_acquire "map_data:$path";
1428		2009
		2010	return unless $self->valid;
1429	return if $self->in_memory != cf::MAP_SWAPPED;	2011	return unless $self->in_memory == cf::MAP_SWAPPED;
1430		2012
1431	$self->in_memory (cf::MAP_LOADING);	2013	$self->in_memory (cf::MAP_LOADING);
1432		2014
1433	$self->alloc;	2015	$self->alloc;
1434		2016
1435	$self->pre_load;	2017	$self->pre_load;
		2018	cf::cede_to_tick;
1436		2019
1437	$self->_load_objects ($self->{load_path}, 1)	2020	my $f = new_from_file cf::object::thawer $self->{load_path};
		2021	$f->skip_block;
		2022	$self->_load_objects ($f)
1438	or return;	2023	or return;
1439		2024
1440	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2025	$self->post_load_original
1441	if delete $self->{load_original};	2026	if delete $self->{load_original};
1442		2027
1443	if (my $uniq = $self->uniq_path) {	2028	if (my $uniq = $self->uniq_path) {
1444	utf8::encode $uniq;	2029	utf8::encode $uniq;
1445	if (aio_open $uniq, O_RDONLY, 0) {	2030	unless (aio_stat $uniq) {
		2031	if (my $f = new_from_file cf::object::thawer $uniq) {
1446	$self->clear_unique_items;	2032	$self->clear_unique_items;
1447	$self->_load_objects ($uniq, 0);	2033	$self->_load_objects ($f);
		2034	$f->resolve_delayed_derefs;
		2035	}
1448	}	2036	}
1449	}	2037	}
1450		2038
1451	Coro::cede;	2039	$f->resolve_delayed_derefs;
1452		2040
		2041	cf::cede_to_tick;
1453	# now do the right thing for maps	2042	# now do the right thing for maps
1454	$self->link_multipart_objects;	2043	$self->link_multipart_objects;
1455
1456	unless ($self->{deny_activate}) {
1457	$self->decay_objects;
1458	$self->fix_auto_apply;
1459	$self->update_buttons;
1460	Coro::cede;
1461	$self->set_darkness_map;
1462	$self->difficulty ($self->estimate_difficulty)	2044	$self->difficulty ($self->estimate_difficulty)
1463	unless $self->difficulty;	2045	unless $self->difficulty;
1464	Coro::cede;	2046	cf::cede_to_tick;
		2047
		2048	unless ($self->{deny_activate}) {
		2049	$self->decay_objects;
		2050	$self->fix_auto_apply;
		2051	$self->update_buttons;
		2052	cf::cede_to_tick;
1465	$self->activate;	2053	$self->activate;
		2054	}
		2055
		2056	$self->{last_save} = $cf::RUNTIME;
		2057	$self->last_access ($cf::RUNTIME);
		2058
		2059	$self->in_memory (cf::MAP_ACTIVE);
1466	}	2060	}
1467		2061
1468	$self->post_load;	2062	$self->post_load;
1469
1470	$self->in_memory (cf::MAP_IN_MEMORY);
1471	}	2063	}
1472		2064
1473	sub customise_for {	2065	sub customise_for {
1474	my ($self, $ob) = @_;	2066	my ($self, $ob) = @_;
1475		2067
1476	return find "~" . $ob->name . "/" . $self->{path}	2068	return find "~" . $ob->name . "/" . $self->{path}
1477	if $self->per_player;	2069	if $self->per_player;
1478		2070
		2071	# return find "?party/" . $ob->name . "/" . $self->{path}
		2072	# if $self->per_party;
		2073
1479	$self	2074	$self
1480	}	2075	}
1481		2076
1482	# find and load all maps in the 3x3 area around a map	2077	# find and load all maps in the 3x3 area around a map
1483	sub load_diag {	2078	sub load_neighbours {
1484	my ($map) = @_;	2079	my ($map) = @_;
1485		2080
1486	my @diag; # diagonal neighbours	2081	my @neigh; # diagonal neighbours
1487		2082
1488	for (0 .. 3) {	2083	for (0 .. 3) {
1489	my $neigh = $map->tile_path ($_)	2084	my $neigh = $map->tile_path ($_)
1490	or next;	2085	or next;
1491	$neigh = find $neigh, $map	2086	$neigh = find $neigh, $map
1492	or next;	2087	or next;
1493	$neigh->load;	2088	$neigh->load;
1494		2089
		2090	push @neigh,
1495	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2091	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1496	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2092	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1497	}	2093	}
1498		2094
1499	for (@diag) {	2095	for (grep defined $_->[0], @neigh) {
		2096	my ($path, $origin) = @$_;
1500	my $neigh = find @$_	2097	my $neigh = find $path, $origin
1501	or next;	2098	or next;
1502	$neigh->load;	2099	$neigh->load;
1503	}	2100	}
1504	}	2101	}
1505		2102
…		…
1510	}	2107	}
1511		2108
1512	sub do_load_sync {	2109	sub do_load_sync {
1513	my ($map) = @_;	2110	my ($map) = @_;
1514		2111
		2112	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2113	if $Coro::current == $Coro::main;
		2114
1515	cf::sync_job { $map->load };	2115	cf::sync_job { $map->load };
1516	}	2116	}
1517		2117
1518	our %MAP_PREFETCH;	2118	our %MAP_PREFETCH;
1519	our $MAP_PREFETCHER = undef;	2119	our $MAP_PREFETCHER = undef;
1520		2120
1521	sub find_async {	2121	sub find_async {
1522	my ($path, $origin) = @_;	2122	my ($path, $origin, $load) = @_;
1523		2123
1524	$path = normalise $path, $origin && $origin->{path};	2124	$path = normalise $path, $origin && $origin->{path};
1525		2125
1526	if (my $map = $cf::MAP{$path}) {	2126	if (my $map = $cf::MAP{$path}) {
1527	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2127	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1528	}	2128	}
1529		2129
1530	undef $MAP_PREFETCH{$path};	2130	$MAP_PREFETCH{$path} |= $load;
		2131
1531	$MAP_PREFETCHER ||= cf::async {	2132	$MAP_PREFETCHER ||= cf::async {
		2133	$Coro::current->{desc} = "map prefetcher";
		2134
1532	while (%MAP_PREFETCH) {	2135	while (%MAP_PREFETCH) {
1533	for my $path (keys %MAP_PREFETCH) {	2136	while (my ($k, $v) = each %MAP_PREFETCH) {
1534	my $map = find $path	2137	if (my $map = find $k) {
1535	or next;
1536	$map->load;	2138	$map->load if $v;
		2139	}
1537		2140
1538	delete $MAP_PREFETCH{$path};	2141	delete $MAP_PREFETCH{$k};
1539	}	2142	}
1540	}	2143	}
1541	undef $MAP_PREFETCHER;	2144	undef $MAP_PREFETCHER;
1542	};	2145	};
1543	$MAP_PREFETCHER->prio (6);	2146	$MAP_PREFETCHER->prio (6);
…		…
1546	}	2149	}
1547		2150
1548	sub save {	2151	sub save {
1549	my ($self) = @_;	2152	my ($self) = @_;
1550		2153
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	2154	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		2155
1553	$self->{last_save} = $cf::RUNTIME;	2156	$self->{last_save} = $cf::RUNTIME;
1554		2157
1555	return unless $self->dirty;	2158	return unless $self->dirty;
1556		2159
…		…
1562	return if $self->{deny_save};	2165	return if $self->{deny_save};
1563		2166
1564	local $self->{last_access} = $self->last_access;#d#	2167	local $self->{last_access} = $self->last_access;#d#
1565		2168
1566	cf::async {	2169	cf::async {
		2170	$Coro::current->{desc} = "map player save";
1567	$_->contr->save for $self->players;	2171	$_->contr->save for $self->players;
1568	};	2172	};
		2173
		2174	cf::get_slot 0.02;
1569		2175
1570	if ($uniq) {	2176	if ($uniq) {
1571	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2177	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1572	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2178	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1573	} else {	2179	} else {
…		…
1579	my ($self) = @_;	2185	my ($self) = @_;
1580		2186
1581	# save first because save cedes	2187	# save first because save cedes
1582	$self->save;	2188	$self->save;
1583		2189
1584	my $lock = cf::lock_acquire "map_data:" . $self->path;	2190	my $lock = cf::lock_acquire "map_data:$self->{path}";
1585		2191
1586	return if $self->players;	2192	return if $self->players;
1587	return if $self->in_memory != cf::MAP_IN_MEMORY;	2193	return if $self->in_memory != cf::MAP_ACTIVE;
1588	return if $self->{deny_save};	2194	return if $self->{deny_save};
1589		2195
		2196	$self->in_memory (cf::MAP_SWAPPED);
		2197
		2198	$self->deactivate;
		2199	$_->clear_links_to ($self) for values %cf::MAP;
1590	$self->clear;	2200	$self->clear;
1591	$self->in_memory (cf::MAP_SWAPPED);
1592	}	2201	}
1593		2202
1594	sub reset_at {	2203	sub reset_at {
1595	my ($self) = @_;	2204	my ($self) = @_;
1596		2205
1597	# TODO: safety, remove and allow resettable per-player maps	2206	# TODO: safety, remove and allow resettable per-player maps
1598	return 1e99 if $self->isa ("ext::map_per_player");#d#
1599	return 1e99 if $self->{deny_reset};	2207	return 1e99 if $self->{deny_reset};
1600		2208
1601	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2209	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1602	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2210	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1603		2211
…		…
1614	my ($self) = @_;	2222	my ($self) = @_;
1615		2223
1616	my $lock = cf::lock_acquire "map_data:$self->{path}";	2224	my $lock = cf::lock_acquire "map_data:$self->{path}";
1617		2225
1618	return if $self->players;	2226	return if $self->players;
1619	return if $self->isa ("ext::map_per_player");#d#
1620		2227
1621	warn "resetting map ", $self->path;#d#	2228	warn "resetting map ", $self->path;
1622		2229
1623	$self->in_memory (cf::MAP_SWAPPED);	2230	$self->in_memory (cf::MAP_SWAPPED);
1624		2231
1625	# need to save uniques path	2232	# need to save uniques path
1626	unless ($self->{deny_save}) {	2233	unless ($self->{deny_save}) {
…		…
1630	if $uniq;	2237	if $uniq;
1631	}	2238	}
1632		2239
1633	delete $cf::MAP{$self->path};	2240	delete $cf::MAP{$self->path};
1634		2241
		2242	$self->deactivate;
		2243	$_->clear_links_to ($self) for values %cf::MAP;
1635	$self->clear;	2244	$self->clear;
1636
1637	$_->clear_links_to ($self) for values %cf::MAP;
1638		2245
1639	$self->unlink_save;	2246	$self->unlink_save;
1640	$self->destroy;	2247	$self->destroy;
1641	}	2248	}
1642		2249
1643	my $nuke_counter = "aaaa";	2250	my $nuke_counter = "aaaa";
1644		2251
1645	sub nuke {	2252	sub nuke {
1646	my ($self) = @_;	2253	my ($self) = @_;
1647		2254
		2255	{
		2256	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2257
1648	delete $cf::MAP{$self->path};	2258	delete $cf::MAP{$self->path};
1649		2259
1650	$self->unlink_save;	2260	$self->unlink_save;
1651		2261
1652	bless $self, "cf::map";	2262	bless $self, "cf::map";
1653	delete $self->{deny_reset};	2263	delete $self->{deny_reset};
1654	$self->{deny_save} = 1;	2264	$self->{deny_save} = 1;
1655	$self->reset_timeout (1);	2265	$self->reset_timeout (1);
1656	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2266	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1657		2267
1658	$cf::MAP{$self->path} = $self;	2268	$cf::MAP{$self->path} = $self;
		2269	}
1659		2270
1660	$self->reset; # polite request, might not happen	2271	$self->reset; # polite request, might not happen
		2272	}
		2273
		2274	=item $maps = cf::map::tmp_maps
		2275
		2276	Returns an arrayref with all map paths of currently instantiated and saved
		2277	maps. May block.
		2278
		2279	=cut
		2280
		2281	sub tmp_maps() {
		2282	[
		2283	map {
		2284	utf8::decode $_;
		2285	/\.map$/
		2286	? normalise $_
		2287	: ()
		2288	} @{ aio_readdir $TMPDIR or [] }
		2289	]
		2290	}
		2291
		2292	=item $maps = cf::map::random_maps
		2293
		2294	Returns an arrayref with all map paths of currently instantiated and saved
		2295	random maps. May block.
		2296
		2297	=cut
		2298
		2299	sub random_maps() {
		2300	[
		2301	map {
		2302	utf8::decode $_;
		2303	/\.map$/
		2304	? normalise "?random/$_"
		2305	: ()
		2306	} @{ aio_readdir $RANDOMDIR or [] }
		2307	]
1661	}	2308	}
1662		2309
1663	=item cf::map::unique_maps	2310	=item cf::map::unique_maps
1664		2311
1665	Returns an arrayref of paths of all shared maps that have	2312	Returns an arrayref of paths of all shared maps that have
1666	instantiated unique items. May block.	2313	instantiated unique items. May block.
1667		2314
1668	=cut	2315	=cut
1669		2316
1670	sub unique_maps() {	2317	sub unique_maps() {
1671	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2318	[
1672	or return;	2319	map {
1673
1674	my @paths;
1675
1676	for (@$files) {
1677	utf8::decode $_;	2320	utf8::decode $_;
1678	next if /\.pst$/;	2321	s/\.map$//; # TODO future compatibility hack
1679	next unless /^$PATH_SEP/o;	2322	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1680		2323	? ()
1681	push @paths, cf::map::normalise $_;	2324	: normalise $_
		2325	} @{ aio_readdir $UNIQUEDIR or [] }
1682	}	2326	]
1683
1684	\@paths
1685	}	2327	}
1686
1687	package cf;
1688		2328
1689	=back	2329	=back
1690		2330
1691	=head3 cf::object	2331	=head3 cf::object
1692		2332
…		…
1696		2336
1697	=over 4	2337	=over 4
1698		2338
1699	=item $ob->inv_recursive	2339	=item $ob->inv_recursive
1700		2340
1701	Returns the inventory of the object _and_ their inventories, recursively.	2341	Returns the inventory of the object I<and> their inventories, recursively,
		2342	but I<not> the object itself.
1702		2343
1703	=cut	2344	=cut
1704		2345
1705	sub inv_recursive_;	2346	sub inv_recursive_;
1706	sub inv_recursive_ {	2347	sub inv_recursive_ {
…		…
1709		2350
1710	sub inv_recursive {	2351	sub inv_recursive {
1711	inv_recursive_ inv $_[0]	2352	inv_recursive_ inv $_[0]
1712	}	2353	}
1713		2354
		2355	=item $ref = $ob->ref
		2356
		2357	Creates and returns a persistent reference to an object that can be stored as a string.
		2358
		2359	=item $ob = cf::object::deref ($refstring)
		2360
		2361	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2362	even if the object actually exists. May block.
		2363
		2364	=cut
		2365
		2366	sub deref {
		2367	my ($ref) = @_;
		2368
		2369	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2370	my ($uuid, $name) = ($1, $2);
		2371	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2372	or return;
		2373	$pl->ob->uuid eq $uuid
		2374	or return;
		2375
		2376	$pl->ob
		2377	} else {
		2378	warn "$ref: cannot resolve object reference\n";
		2379	undef
		2380	}
		2381	}
		2382
1714	package cf;	2383	package cf;
1715		2384
1716	=back	2385	=back
1717		2386
1718	=head3 cf::object::player	2387	=head3 cf::object::player
…		…
1724	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2393	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1725	can be C<undef>. Does the right thing when the player is currently in a	2394	can be C<undef>. Does the right thing when the player is currently in a
1726	dialogue with the given NPC character.	2395	dialogue with the given NPC character.
1727		2396
1728	=cut	2397	=cut
		2398
		2399	our $SAY_CHANNEL = {
		2400	id => "say",
		2401	title => "Map",
		2402	reply => "say ",
		2403	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2404	};
		2405
		2406	our $CHAT_CHANNEL = {
		2407	id => "chat",
		2408	title => "Chat",
		2409	reply => "chat ",
		2410	tooltip => "Player chat and shouts, global to the server.",
		2411	};
1729		2412
1730	# rough implementation of a future "reply" method that works	2413	# rough implementation of a future "reply" method that works
1731	# with dialog boxes.	2414	# with dialog boxes.
1732	#TODO: the first argument must go, split into a $npc->reply_to ( method	2415	#TODO: the first argument must go, split into a $npc->reply_to ( method
1733	sub cf::object::player::reply($$$;$) {	2416	sub cf::object::player::reply($$$;$) {
…		…
1735		2418
1736	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2419	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1737		2420
1738	if ($self->{record_replies}) {	2421	if ($self->{record_replies}) {
1739	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2422	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2423
1740	} else {	2424	} else {
		2425	my $pl = $self->contr;
		2426
		2427	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2428	my $dialog = $pl->{npc_dialog};
		2429	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2430
		2431	} else {
1741	$msg = $npc->name . " says: $msg" if $npc;	2432	$msg = $npc->name . " says: $msg" if $npc;
1742	$self->message ($msg, $flags);	2433	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2434	}
1743	}	2435	}
		2436	}
		2437
		2438	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2439
		2440	=cut
		2441
		2442	sub cf::object::send_msg {
		2443	my $pl = shift->contr
		2444	or return;
		2445	$pl->send_msg (@_);
1744	}	2446	}
1745		2447
1746	=item $player_object->may ("access")	2448	=item $player_object->may ("access")
1747		2449
1748	Returns wether the given player is authorized to access resource "access"	2450	Returns wether the given player is authorized to access resource "access"
…		…
1761		2463
1762	=item $player_object->enter_link	2464	=item $player_object->enter_link
1763		2465
1764	Freezes the player and moves him/her to a special map (C<{link}>).	2466	Freezes the player and moves him/her to a special map (C<{link}>).
1765		2467
1766	The player should be reasonably safe there for short amounts of time. You	2468	The player should be reasonably safe there for short amounts of time (e.g.
1767	I<MUST> call C<leave_link> as soon as possible, though.	2469	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2470	though, as the palyer cannot control the character while it is on the link
		2471	map.
1768		2472
1769	Will never block.	2473	Will never block.
1770		2474
1771	=item $player_object->leave_link ($map, $x, $y)	2475	=item $player_object->leave_link ($map, $x, $y)
1772		2476
…		…
1795	$self->deactivate_recursive;	2499	$self->deactivate_recursive;
1796		2500
1797	return if UNIVERSAL::isa $self->map, "ext::map_link";	2501	return if UNIVERSAL::isa $self->map, "ext::map_link";
1798		2502
1799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2503	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1800	if $self->map;	2504	if $self->map && $self->map->{path} ne "{link}";
1801		2505
1802	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2506	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1803	}	2507	}
1804		2508
1805	sub cf::object::player::leave_link {	2509	sub cf::object::player::leave_link {
1806	my ($self, $map, $x, $y) = @_;	2510	my ($self, $map, $x, $y) = @_;
		2511
		2512	return unless $self->contr->active;
1807		2513
1808	my $link_pos = delete $self->{_link_pos};	2514	my $link_pos = delete $self->{_link_pos};
1809		2515
1810	unless ($map) {	2516	unless ($map) {
1811	# restore original map position	2517	# restore original map position
…		…
1825	# use -1 or undef as default coordinates, not 0, 0	2531	# use -1 or undef as default coordinates, not 0, 0
1826	($x, $y) = ($map->enter_x, $map->enter_y)	2532	($x, $y) = ($map->enter_x, $map->enter_y)
1827	if $x <=0 && $y <= 0;	2533	if $x <=0 && $y <= 0;
1828		2534
1829	$map->load;	2535	$map->load;
1830	$map->load_diag;	2536	$map->load_neighbours;
1831		2537
1832	return unless $self->contr->active;	2538	return unless $self->contr->active;
		2539	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1833	$self->activate_recursive;	2540	$self->activate_recursive;
1834		2541
1835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2542	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1836	$self->enter_map ($map, $x, $y);	2543	$self->enter_map ($map, $x, $y);
1837	}	2544	}
1838		2545
1839	cf::player->attach (	2546	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1840	on_logout => sub {
1841	my ($pl) = @_;
1842		2547
1843	# abort map switching before logout	2548	Moves the player to the given map-path and coordinates by first freezing
1844	if ($pl->ob->{_link_pos}) {	2549	her, loading and preparing them map, calling the provided $check callback
1845	cf::sync_job {	2550	that has to return the map if sucecssful, and then unfreezes the player on
1846	$pl->ob->leave_link	2551	the new (success) or old (failed) map position. In either case, $done will
1847	};	2552	be called at the end of this process.
1848	}
1849	},
1850	on_login => sub {
1851	my ($pl) = @_;
1852		2553
1853	# try to abort aborted map switching on player login :)	2554	Note that $check will be called with a potentially non-loaded map, so if
1854	# should happen only on crashes	2555	it needs a loaded map it has to call C<< ->load >>.
1855	if ($pl->ob->{_link_pos}) {
1856	$pl->ob->enter_link;
1857	(async {
1858	$pl->ob->reply (undef,
1859	"There was an internal problem at your last logout, "
1860	. "the server will try to bring you to your intended destination in a second.",
1861	cf::NDI_RED);
1862	# we need this sleep as the login has a concurrent enter_exit running
1863	# and this sleep increases chances of the player not ending up in scorn
1864	Coro::Timer::sleep 1;
1865	$pl->ob->leave_link;
1866	})->prio (2);
1867	}
1868	},
1869	);
1870		2556
1871	=item $player_object->goto ($path, $x, $y)
1872
1873	=cut	2557	=cut
		2558
		2559	our $GOTOGEN;
1874		2560
1875	sub cf::object::player::goto {	2561	sub cf::object::player::goto {
1876	my ($self, $path, $x, $y) = @_;	2562	my ($self, $path, $x, $y, $check, $done) = @_;
		2563
		2564	# do generation counting so two concurrent goto's will be executed in-order
		2565	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1877		2566
1878	$self->enter_link;	2567	$self->enter_link;
1879		2568
1880	(async {	2569	(async {
		2570	$Coro::current->{desc} = "player::goto $path $x $y";
		2571
		2572	# *tag paths override both path and x|y
		2573	if ($path =~ /^\*(.*)$/) {
		2574	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2575	my $ob = $obs[rand @obs];
		2576
		2577	# see if we actually can go there
		2578	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2579	$ob = $obs[rand @obs];
		2580	} else {
		2581	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2582	}
		2583	# else put us there anyways for now #d#
		2584
		2585	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2586	} else {
		2587	($path, $x, $y) = (undef, undef, undef);
		2588	}
		2589	}
		2590
1881	my $map = eval {	2591	my $map = eval {
1882	my $map = cf::map::find $path;	2592	my $map = defined $path ? cf::map::find $path : undef;
		2593
		2594	if ($map) {
1883	$map = $map->customise_for ($self) if $map;	2595	$map = $map->customise_for ($self);
		2596	$map = $check->($map) if $check && $map;
		2597	} else {
		2598	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2599	}
		2600
1884	$map	2601	$map
		2602	};
		2603
		2604	if ($@) {
		2605	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2606	LOG llevError | logBacktrace, Carp::longmess $@;
1885	} or	2607	}
1886	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1887		2608
		2609	if ($gen == $self->{_goto_generation}) {
		2610	delete $self->{_goto_generation};
1888	$self->leave_link ($map, $x, $y);	2611	$self->leave_link ($map, $x, $y);
		2612	}
		2613
		2614	$done->() if $done;
1889	})->prio (1);	2615	})->prio (1);
1890	}	2616	}
1891		2617
1892	=item $player_object->enter_exit ($exit_object)	2618	=item $player_object->enter_exit ($exit_object)
1893		2619
…		…
1913	}	2639	}
1914		2640
1915	sub prepare_random_map {	2641	sub prepare_random_map {
1916	my ($exit) = @_;	2642	my ($exit) = @_;
1917		2643
1918	my $guard = cf::lock_acquire "exit_prepare:$exit";
1919
1920	# all this does is basically replace the /! path by	2644	# all this does is basically replace the /! path by
1921	# a new random map path (?random/...) with a seed	2645	# a new random map path (?random/...) with a seed
1922	# that depends on the exit object	2646	# that depends on the exit object
1923		2647
1924	my $rmp = parse_random_map_params $exit->msg;	2648	my $rmp = parse_random_map_params $exit->msg;
…		…
1926	if ($exit->map) {	2650	if ($exit->map) {
1927	$rmp->{region} = $exit->region->name;	2651	$rmp->{region} = $exit->region->name;
1928	$rmp->{origin_map} = $exit->map->path;	2652	$rmp->{origin_map} = $exit->map->path;
1929	$rmp->{origin_x} = $exit->x;	2653	$rmp->{origin_x} = $exit->x;
1930	$rmp->{origin_y} = $exit->y;	2654	$rmp->{origin_y} = $exit->y;
		2655
		2656	$exit->map->touch;
1931	}	2657	}
1932		2658
1933	$rmp->{random_seed} ||= $exit->random_seed;	2659	$rmp->{random_seed} ||= $exit->random_seed;
1934		2660
1935	my $data = cf::to_json $rmp;	2661	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1936	my $md5 = Digest::MD5::md5_hex $data;	2662	my $md5 = Digest::MD5::md5_hex $data;
1937	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2663	my $meta = "$RANDOMDIR/$md5.meta";
1938		2664
1939	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2665	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1940	aio_write $fh, 0, (length $data), $data, 0;	2666	aio_write $fh, 0, (length $data), $data, 0;
1941	undef $fh;	2667	undef $fh;
1942	aio_rename "$meta~", $meta;	2668	aio_rename "$meta~", $meta;
1943		2669
		2670	my $slaying = "?random/$md5";
		2671
		2672	if ($exit->valid) {
1944	$exit->slaying ("?random/$md5");	2673	$exit->slaying ("?random/$md5");
1945	$exit->msg (undef);	2674	$exit->msg (undef);
		2675	}
1946	}	2676	}
1947	}	2677	}
1948		2678
1949	sub cf::object::player::enter_exit {	2679	sub cf::object::player::enter_exit {
1950	my ($self, $exit) = @_;	2680	my ($self, $exit) = @_;
1951		2681
1952	return unless $self->type == cf::PLAYER;	2682	return unless $self->type == cf::PLAYER;
1953		2683
1954	if ($exit->slaying eq "/!") {
1955	#TODO: this should de-fi-ni-te-ly not be a sync-job
1956	cf::sync_job { prepare_random_map $exit };
1957	}
1958
1959	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1960	my $hp = $exit->stats->hp;
1961	my $sp = $exit->stats->sp;
1962
1963	$self->enter_link;	2684	$self->enter_link;
1964		2685
1965	(async {	2686	(async {
1966	$self->deactivate_recursive; # just to be sure	2687	$Coro::current->{desc} = "enter_exit";
		2688
1967	unless (eval {	2689	unless (eval {
		2690	$self->deactivate_recursive; # just to be sure
		2691
		2692	# random map handling
		2693	{
		2694	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2695
		2696	prepare_random_map $exit
		2697	if $exit->slaying eq "/!";
		2698	}
		2699
		2700	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2701	my $x = $exit->stats->hp;
		2702	my $y = $exit->stats->sp;
		2703
1968	$self->goto ($slaying, $hp, $sp);	2704	$self->goto ($map, $x, $y);
1969		2705
		2706	# if exit is damned, update players death & WoR home-position
		2707	$self->contr->savebed ($map, $x, $y)
		2708	if $exit->flag (cf::FLAG_DAMNED);
		2709
1970	1;	2710	1
1971	}) {	2711	}) {
1972	$self->message ("Something went wrong deep within the crossfire server. "	2712	$self->message ("Something went wrong deep within the deliantra server. "
1973	. "I'll try to bring you back to the map you were before. "	2713	. "I'll try to bring you back to the map you were before. "
1974	. "Please report this to the dungeon master!",	2714	. "Please report this to the dungeon master!",
1975	cf::NDI_UNIQUE | cf::NDI_RED);	2715	cf::NDI_UNIQUE | cf::NDI_RED);
1976		2716
1977	warn "ERROR in enter_exit: $@";	2717	warn "ERROR in enter_exit: $@";
1978	$self->leave_link;	2718	$self->leave_link;
1979	}	2719	}
1980	})->prio (1);	2720	})->prio (1);
…		…
1993		2733
1994	sub cf::client::send_drawinfo {	2734	sub cf::client::send_drawinfo {
1995	my ($self, $text, $flags) = @_;	2735	my ($self, $text, $flags) = @_;
1996		2736
1997	utf8::encode $text;	2737	utf8::encode $text;
1998	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2738	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1999	}	2739	}
2000		2740
		2741	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2742
		2743	Send a drawinfo or msg packet to the client, formatting the msg for the
		2744	client if neccessary. C<$type> should be a string identifying the type of
		2745	the message, with C<log> being the default. If C<$color> is negative, suppress
		2746	the message unless the client supports the msg packet.
		2747
		2748	=cut
		2749
		2750	# non-persistent channels (usually the info channel)
		2751	our %CHANNEL = (
		2752	"c/identify" => {
		2753	id => "infobox",
		2754	title => "Identify",
		2755	reply => undef,
		2756	tooltip => "Items recently identified",
		2757	},
		2758	"c/examine" => {
		2759	id => "infobox",
		2760	title => "Examine",
		2761	reply => undef,
		2762	tooltip => "Signs and other items you examined",
		2763	},
		2764	"c/book" => {
		2765	id => "infobox",
		2766	title => "Book",
		2767	reply => undef,
		2768	tooltip => "The contents of a note or book",
		2769	},
		2770	"c/lookat" => {
		2771	id => "infobox",
		2772	title => "Look",
		2773	reply => undef,
		2774	tooltip => "What you saw there",
		2775	},
		2776	"c/who" => {
		2777	id => "infobox",
		2778	title => "Players",
		2779	reply => undef,
		2780	tooltip => "Shows players who are currently online",
		2781	},
		2782	"c/body" => {
		2783	id => "infobox",
		2784	title => "Body Parts",
		2785	reply => undef,
		2786	tooltip => "Shows which body parts you posess and are available",
		2787	},
		2788	"c/statistics" => {
		2789	id => "infobox",
		2790	title => "Statistics",
		2791	reply => undef,
		2792	tooltip => "Shows your primary statistics",
		2793	},
		2794	"c/skills" => {
		2795	id => "infobox",
		2796	title => "Skills",
		2797	reply => undef,
		2798	tooltip => "Shows your experience per skill and item power",
		2799	},
		2800	"c/shopitems" => {
		2801	id => "infobox",
		2802	title => "Shop Items",
		2803	reply => undef,
		2804	tooltip => "Shows the items currently for sale in this shop",
		2805	},
		2806	"c/resistances" => {
		2807	id => "infobox",
		2808	title => "Resistances",
		2809	reply => undef,
		2810	tooltip => "Shows your resistances",
		2811	},
		2812	"c/pets" => {
		2813	id => "infobox",
		2814	title => "Pets",
		2815	reply => undef,
		2816	tooltip => "Shows information abotu your pets/a specific pet",
		2817	},
		2818	"c/perceiveself" => {
		2819	id => "infobox",
		2820	title => "Perceive Self",
		2821	reply => undef,
		2822	tooltip => "You gained detailed knowledge about yourself",
		2823	},
		2824	"c/uptime" => {
		2825	id => "infobox",
		2826	title => "Uptime",
		2827	reply => undef,
		2828	tooltip => "How long the server has been running since last restart",
		2829	},
		2830	"c/mapinfo" => {
		2831	id => "infobox",
		2832	title => "Map Info",
		2833	reply => undef,
		2834	tooltip => "Information related to the maps",
		2835	},
		2836	"c/party" => {
		2837	id => "party",
		2838	title => "Party",
		2839	reply => "gsay ",
		2840	tooltip => "Messages and chat related to your party",
		2841	},
		2842	"c/death" => {
		2843	id => "death",
		2844	title => "Death",
		2845	reply => undef,
		2846	tooltip => "Reason for and more info about your most recent death",
		2847	},
		2848	"c/say" => $SAY_CHANNEL,
		2849	"c/chat" => $CHAT_CHANNEL,
		2850	);
		2851
		2852	sub cf::client::send_msg {
		2853	my ($self, $channel, $msg, $color, @extra) = @_;
		2854
		2855	$msg = $self->pl->expand_cfpod ($msg)
		2856	unless $color & cf::NDI_VERBATIM;
		2857
		2858	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2859
		2860	# check predefined channels, for the benefit of C
		2861	if ($CHANNEL{$channel}) {
		2862	$channel = $CHANNEL{$channel};
		2863
		2864	$self->ext_msg (channel_info => $channel);
		2865	$channel = $channel->{id};
		2866
		2867	} elsif (ref $channel) {
		2868	# send meta info to client, if not yet sent
		2869	unless (exists $self->{channel}{$channel->{id}}) {
		2870	$self->{channel}{$channel->{id}} = $channel;
		2871	$self->ext_msg (channel_info => $channel);
		2872	}
		2873
		2874	$channel = $channel->{id};
		2875	}
		2876
		2877	return unless @extra || length $msg;
		2878
		2879	# default colour, mask it out
		2880	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2881	if $color & cf::NDI_DEF;
		2882
		2883	my $pkt = "msg "
		2884	. $self->{json_coder}->encode (
		2885	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2886	);
		2887
		2888	# try lzf for large packets
		2889	$pkt = "lzf " . Compress::LZF::compress $pkt
		2890	if 1024 <= length $pkt and $self->{can_lzf};
		2891
		2892	# split very large packets
		2893	if (8192 < length $pkt and $self->{can_lzf}) {
		2894	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2895	$pkt = "frag";
		2896	}
		2897
		2898	$self->send_packet ($pkt);
		2899	}
		2900
		2901	=item $client->ext_msg ($type, @msg)
		2902
		2903	Sends an ext event to the client.
		2904
		2905	=cut
		2906
		2907	sub cf::client::ext_msg($$@) {
		2908	my ($self, $type, @msg) = @_;
		2909
		2910	if ($self->extcmd == 2) {
		2911	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2912	} elsif ($self->extcmd == 1) { # TODO: remove
		2913	push @msg, msgtype => "event_$type";
		2914	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2915	}
		2916	}
		2917
		2918	=item $client->ext_reply ($msgid, @msg)
		2919
		2920	Sends an ext reply to the client.
		2921
		2922	=cut
		2923
		2924	sub cf::client::ext_reply($$@) {
		2925	my ($self, $id, @msg) = @_;
		2926
		2927	if ($self->extcmd == 2) {
		2928	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2929	} elsif ($self->extcmd == 1) {
		2930	#TODO: version 1, remove
		2931	unshift @msg, msgtype => "reply", msgid => $id;
		2932	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2933	}
		2934	}
2001		2935
2002	=item $success = $client->query ($flags, "text", \&cb)	2936	=item $success = $client->query ($flags, "text", \&cb)
2003		2937
2004	Queues a query to the client, calling the given callback with	2938	Queues a query to the client, calling the given callback with
2005	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2939	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2006	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2940	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2007		2941
2008	Queries can fail, so check the return code. Or don't, as queries will become	2942	Queries can fail, so check the return code. Or don't, as queries will
2009	reliable at some point in the future.	2943	become reliable at some point in the future.
2010		2944
2011	=cut	2945	=cut
2012		2946
2013	sub cf::client::query {	2947	sub cf::client::query {
2014	my ($self, $flags, $text, $cb) = @_;	2948	my ($self, $flags, $text, $cb) = @_;
…		…
2022	utf8::encode $text;	2956	utf8::encode $text;
2023	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2957	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2024		2958
2025	$self->send_packet ($self->{query_queue}[0][0])	2959	$self->send_packet ($self->{query_queue}[0][0])
2026	if @{ $self->{query_queue} } == 1;	2960	if @{ $self->{query_queue} } == 1;
		2961
		2962	1
2027	}	2963	}
2028		2964
2029	cf::client->attach (	2965	cf::client->attach (
		2966	on_connect => sub {
		2967	my ($ns) = @_;
		2968
		2969	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2970	},
2030	on_reply => sub {	2971	on_reply => sub {
2031	my ($ns, $msg) = @_;	2972	my ($ns, $msg) = @_;
2032		2973
2033	# this weird shuffling is so that direct followup queries	2974	# this weird shuffling is so that direct followup queries
2034	# get handled first	2975	# get handled first
…		…
2046	} else {	2987	} else {
2047	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2988	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2048	}	2989	}
2049	}	2990	}
2050	},	2991	},
		2992	on_exticmd => sub {
		2993	my ($ns, $buf) = @_;
		2994
		2995	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2996
		2997	if (ref $msg) {
		2998	my ($type, $reply, @payload) =
		2999	"ARRAY" eq ref $msg
		3000	? @$msg
		3001	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3002
		3003	my @reply;
		3004
		3005	if (my $cb = $EXTICMD{$type}) {
		3006	@reply = $cb->($ns, @payload);
		3007	}
		3008
		3009	$ns->ext_reply ($reply, @reply)
		3010	if $reply;
		3011
		3012	} else {
		3013	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3014	}
		3015
		3016	cf::override;
		3017	},
2051	);	3018	);
2052		3019
2053	=item $client->async (\&cb)	3020	=item $client->async (\&cb)
2054		3021
2055	Create a new coroutine, running the specified callback. The coroutine will	3022	Create a new coroutine, running the specified callback. The coroutine will
…		…
2096	our $safe = new Safe "safe";	3063	our $safe = new Safe "safe";
2097	our $safe_hole = new Safe::Hole;	3064	our $safe_hole = new Safe::Hole;
2098		3065
2099	$SIG{FPE} = 'IGNORE';	3066	$SIG{FPE} = 'IGNORE';
2100		3067
2101	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3068	$safe->permit_only (Opcode::opset qw(
		3069	:base_core :base_mem :base_orig :base_math
		3070	grepstart grepwhile mapstart mapwhile
		3071	sort time
		3072	));
2102		3073
2103	# here we export the classes and methods available to script code	3074	# here we export the classes and methods available to script code
2104		3075
2105	=pod	3076	=pod
2106		3077
2107	The following fucntions and emthods are available within a safe environment:	3078	The following functions and methods are available within a safe environment:
2108		3079
2109	cf::object contr pay_amount pay_player map	3080	cf::object
		3081	contr pay_amount pay_player map x y force_find force_add destroy
		3082	insert remove name archname title slaying race decrease split
		3083	value
		3084
2110	cf::object::player player	3085	cf::object::player
2111	cf::player peaceful	3086	player
2112	cf::map trigger	3087
		3088	cf::player
		3089	peaceful
		3090
		3091	cf::map
		3092	trigger
2113		3093
2114	=cut	3094	=cut
2115		3095
2116	for (	3096	for (
2117	["cf::object" => qw(contr pay_amount pay_player map)],	3097	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3098	insert remove inv nrof name archname title slaying race
		3099	decrease split destroy change_exp value msg lore send_msg)],
2118	["cf::object::player" => qw(player)],	3100	["cf::object::player" => qw(player)],
2119	["cf::player" => qw(peaceful)],	3101	["cf::player" => qw(peaceful send_msg)],
2120	["cf::map" => qw(trigger)],	3102	["cf::map" => qw(trigger)],
2121	) {	3103	) {
2122	no strict 'refs';	3104	no strict 'refs';
2123	my ($pkg, @funs) = @$_;	3105	my ($pkg, @funs) = @$_;
2124	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3106	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2141	my ($code, %vars) = @_;	3123	my ($code, %vars) = @_;
2142		3124
2143	my $qcode = $code;	3125	my $qcode = $code;
2144	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3126	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2145	$qcode =~ s/\n/\\n/g;	3127	$qcode =~ s/\n/\\n/g;
		3128
		3129	%vars = (_dummy => 0) unless %vars;
2146		3130
2147	local $_;	3131	local $_;
2148	local @safe::cf::_safe_eval_args = values %vars;	3132	local @safe::cf::_safe_eval_args = values %vars;
2149		3133
2150	my $eval =	3134	my $eval =
…		…
2193	=back	3177	=back
2194		3178
2195	=cut	3179	=cut
2196		3180
2197	#############################################################################	3181	#############################################################################
2198
2199	=head2 EXTENSION DATABASE SUPPORT
2200
2201	Crossfire maintains a very simple database for extension use. It can
2202	currently store anything that can be serialised using Storable, which
2203	excludes objects.
2204
2205	The parameter C<$family> should best start with the name of the extension
2206	using it, it should be unique.
2207
2208	=over 4
2209
2210	=item $value = cf::db_get $family => $key
2211
2212	Returns a single value from the database.
2213
2214	=item cf::db_put $family => $key => $value
2215
2216	Stores the given C<$value> in the family.
2217
2218	=cut
2219
2220	our $DB;
2221
2222	sub db_init {
2223	unless ($DB) {
2224	$DB = BDB::db_create $DB_ENV;
2225
2226	cf::sync_job {
2227	eval {
2228	$DB->set_flags (BDB::CHKSUM);
2229
2230	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2231	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2232	cf::cleanup "db_open(db): $!" if $!;
2233	};
2234	cf::cleanup "db_open(db): $@" if $@;
2235	};
2236
2237	my $path = cf::localdir . "/database.pst";
2238	if (stat $path) {
2239	cf::sync_job {
2240	my $pst = Storable::retrieve $path;
2241
2242	cf::db_put (board => data => $pst->{board});
2243	cf::db_put (guildrules => data => $pst->{guildrules});
2244	cf::db_put (rent => balance => $pst->{rent}{balance});
2245	BDB::db_env_txn_checkpoint $DB_ENV;
2246
2247	unlink $path;
2248	};
2249	}
2250	}
2251	}
2252
2253	sub db_get($$) {
2254	my $key = "$_[0]/$_[1]";
2255
2256	cf::sync_job {
2257	BDB::db_get $DB, undef, $key, my $data;
2258
2259	$! ? ()
2260	: Compress::LZF::sthaw $data
2261	}
2262	}
2263
2264	sub db_put($$$) {
2265	BDB::dbreq_pri 4;
2266	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2267	}
2268
2269	#############################################################################
2270	# the server's init and main functions	3182	# the server's init and main functions
2271		3183
2272	sub load_faces {	3184	sub load_facedata($) {
2273	my $path = sprintf "%s/faces", cf::datadir;	3185	my ($path) = @_;
2274		3186
		3187	# HACK to clear player env face cache, we need some signal framework
		3188	# for this (global event?)
		3189	%ext::player_env::MUSIC_FACE_CACHE = ();
		3190
		3191	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3192
2275	warn "loading faces from $path\n";	3193	warn "loading facedata from $path\n";
2276		3194
2277	my $faces;	3195	my $facedata;
2278	0 < aio_load $path, $faces	3196	0 < aio_load $path, $facedata
2279	or die "$path: $!";	3197	or die "$path: $!";
2280		3198
2281	Coro::cede;
2282	$faces = Storable::thaw $faces;	3199	$facedata = Coro::Storable::thaw $facedata;
2283	Coro::cede;
2284		3200
		3201	$facedata->{version} == 2
		3202	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3203
		3204	# patch in the exptable
		3205	$facedata->{resource}{"res/exp_table"} = {
		3206	type => FT_RSRC,
		3207	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3208	};
		3209	cf::cede_to_tick;
		3210
		3211	{
		3212	my $faces = $facedata->{faceinfo};
		3213
2285	while (my ($face, $info) = each %$faces) {	3214	while (my ($face, $info) = each %$faces) {
2286	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3215	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2287	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3216
		3217	cf::face::set_visibility $idx, $info->{visibility};
		3218	cf::face::set_magicmap $idx, $info->{magicmap};
2288	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3219	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2289	Coro::cede;	3220	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3221
		3222	cf::cede_to_tick;
		3223	}
		3224
		3225	while (my ($face, $info) = each %$faces) {
		3226	next unless $info->{smooth};
		3227
		3228	my $idx = cf::face::find $face
		3229	or next;
		3230
		3231	if (my $smooth = cf::face::find $info->{smooth}) {
		3232	cf::face::set_smooth $idx, $smooth;
		3233	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3234	} else {
		3235	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3236	}
		3237
		3238	cf::cede_to_tick;
		3239	}
		3240	}
		3241
2290	}	3242	{
		3243	my $anims = $facedata->{animinfo};
		3244
		3245	while (my ($anim, $info) = each %$anims) {
		3246	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3247	cf::cede_to_tick;
		3248	}
		3249
		3250	cf::anim::invalidate_all; # d'oh
		3251	}
		3252
		3253	{
		3254	# TODO: for gcfclient pleasure, we should give resources
		3255	# that gcfclient doesn't grok a >10000 face index.
		3256	my $res = $facedata->{resource};
		3257
		3258	while (my ($name, $info) = each %$res) {
		3259	if (defined $info->{type}) {
		3260	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3261	my $data;
		3262
		3263	if ($info->{type} & 1) {
		3264	# prepend meta info
		3265
		3266	my $meta = $enc->encode ({
		3267	name => $name,
		3268	%{ $info->{meta} || {} },
		3269	});
		3270
		3271	$data = pack "(w/a*)*", $meta, $info->{data};
		3272	} else {
		3273	$data = $info->{data};
		3274	}
		3275
		3276	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3277	cf::face::set_type $idx, $info->{type};
		3278	} else {
		3279	$RESOURCE{$name} = $info;
		3280	}
		3281
		3282	cf::cede_to_tick;
		3283	}
		3284	}
		3285
		3286	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2291		3287
2292	1	3288	1
2293	}	3289	}
2294		3290
		3291	cf::global->attach (on_resource_update => sub {
		3292	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3293	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3294
		3295	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3296	my $sound = $soundconf->{compat}[$_]
		3297	or next;
		3298
		3299	my $face = cf::face::find "sound/$sound->[1]";
		3300	cf::sound::set $sound->[0] => $face;
		3301	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3302	}
		3303
		3304	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3305	my $face = cf::face::find "sound/$v";
		3306	cf::sound::set $k => $face;
		3307	}
		3308	}
		3309	});
		3310
		3311	register_exticmd fx_want => sub {
		3312	my ($ns, $want) = @_;
		3313
		3314	while (my ($k, $v) = each %$want) {
		3315	$ns->fx_want ($k, $v);
		3316	}
		3317	};
		3318
		3319	sub load_resource_file($) {
		3320	my $guard = lock_acquire "load_resource_file";
		3321
		3322	my $status = load_resource_file_ $_[0];
		3323	get_slot 0.1, 100;
		3324	cf::arch::commit_load;
		3325
		3326	$status
		3327	}
		3328
		3329	sub reload_regions {
		3330	# HACK to clear player env face cache, we need some signal framework
		3331	# for this (global event?)
		3332	%ext::player_env::MUSIC_FACE_CACHE = ();
		3333
		3334	load_resource_file "$MAPDIR/regions"
		3335	or die "unable to load regions file\n";
		3336
		3337	for (cf::region::list) {
		3338	$_->{match} = qr/$_->{match}/
		3339	if exists $_->{match};
		3340	}
		3341	}
		3342
		3343	sub reload_facedata {
		3344	load_facedata "$DATADIR/facedata"
		3345	or die "unable to load facedata\n";
		3346	}
		3347
		3348	sub reload_archetypes {
		3349	load_resource_file "$DATADIR/archetypes"
		3350	or die "unable to load archetypes\n";
		3351	}
		3352
		3353	sub reload_treasures {
		3354	load_resource_file "$DATADIR/treasures"
		3355	or die "unable to load treasurelists\n";
		3356	}
		3357
2295	sub reload_resources {	3358	sub reload_resources {
2296	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3359	warn "reloading resource files...\n";
2297	or die "unable to load regions file\n";#d#	3360
2298	load_faces	3361	reload_facedata;
2299	or die "unable to load faces\n";#d#	3362	reload_archetypes;
2300	}
2301
2302	sub init {
2303	reload_resources;	3363	reload_regions;
2304	}	3364	reload_treasures;
2305		3365
2306	sub cfg_load {	3366	warn "finished reloading resource files\n";
		3367	}
		3368
		3369	sub reload_config {
2307	open my $fh, "<:utf8", cf::confdir . "/config"	3370	open my $fh, "<:utf8", "$CONFDIR/config"
2308	or return;	3371	or return;
2309		3372
2310	local $/;	3373	local $/;
2311	*CFG = YAML::Syck::Load <$fh>;	3374	*CFG = YAML::Load <$fh>;
2312		3375
2313	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3376	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2314		3377
2315	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3378	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2316	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3379	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2322	};	3385	};
2323	warn $@ if $@;	3386	warn $@ if $@;
2324	}	3387	}
2325	}	3388	}
2326		3389
		3390	sub pidfile() {
		3391	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3392	or die "$PIDFILE: $!";
		3393	flock $fh, &Fcntl::LOCK_EX
		3394	or die "$PIDFILE: flock: $!";
		3395	$fh
		3396	}
		3397
		3398	# make sure only one server instance is running at any one time
		3399	sub atomic {
		3400	my $fh = pidfile;
		3401
		3402	my $pid = <$fh>;
		3403	kill 9, $pid if $pid > 0;
		3404
		3405	seek $fh, 0, 0;
		3406	print $fh $$;
		3407	}
		3408
		3409	sub main_loop {
		3410	warn "EV::loop starting\n";
		3411	if (1) {
		3412	EV::loop;
		3413	}
		3414	warn "EV::loop returned\n";
		3415	goto &main_loop unless $REALLY_UNLOOP;
		3416	}
		3417
2327	sub main {	3418	sub main {
		3419	cf::init_globals; # initialise logging
		3420
		3421	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3422	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3423	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3424	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3425
		3426	cf::init_experience;
		3427	cf::init_anim;
		3428	cf::init_attackmess;
		3429	cf::init_dynamic;
		3430
		3431	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3432
2328	# we must not ever block the main coroutine	3433	# we must not ever block the main coroutine
2329	local $Coro::idle = sub {	3434	local $Coro::idle = sub {
2330	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3435	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2331	(async {	3436	(async {
2332	Event::one_event;	3437	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3438	EV::loop EV::LOOP_ONESHOT;
2333	})->prio (Coro::PRIO_MAX);	3439	})->prio (Coro::PRIO_MAX);
2334	};	3440	};
2335		3441
2336	cfg_load;	3442	evthread_start IO::AIO::poll_fileno;
		3443
		3444	cf::sync_job {
		3445	reload_resources;
		3446	reload_config;
2337	db_init;	3447	db_init;
		3448
		3449	cf::load_settings;
		3450	cf::load_materials;
		3451	cf::init_uuid;
		3452	cf::init_signals;
		3453	cf::init_commands;
		3454	cf::init_skills;
		3455
		3456	cf::init_beforeplay;
		3457
		3458	atomic;
		3459
2338	load_extensions;	3460	load_extensions;
2339		3461
2340	$TICK_WATCHER->start;	3462	utime time, time, $RUNTIMEFILE;
2341	Event::loop;	3463
		3464	# no (long-running) fork's whatsoever before this point(!)
		3465	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3466
		3467	(pop @POST_INIT)->(0) while @POST_INIT;
		3468	};
		3469
		3470	main_loop;
2342	}	3471	}
2343		3472
2344	#############################################################################	3473	#############################################################################
2345	# initialisation and cleanup	3474	# initialisation and cleanup
2346		3475
2347	# install some emergency cleanup handlers	3476	# install some emergency cleanup handlers
2348	BEGIN {	3477	BEGIN {
		3478	our %SIGWATCHER = ();
2349	for my $signal (qw(INT HUP TERM)) {	3479	for my $signal (qw(INT HUP TERM)) {
2350	Event->signal (	3480	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2351	reentrant => 0,
2352	data => WF_AUTOCANCEL,
2353	signal => $signal,
2354	prio => 0,
2355	cb => sub {
2356	cf::cleanup "SIG$signal";	3481	cf::cleanup "SIG$signal";
2357	},
2358	);	3482	};
		3483	}
		3484	}
		3485
		3486	sub write_runtime_sync {
		3487	# first touch the runtime file to show we are still running:
		3488	# the fsync below can take a very very long time.
		3489
		3490	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3491
		3492	my $guard = cf::lock_acquire "write_runtime";
		3493
		3494	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3495	or return;
		3496
		3497	my $value = $cf::RUNTIME + 90 + 10;
		3498	# 10 is the runtime save interval, for a monotonic clock
		3499	# 60 allows for the watchdog to kill the server.
		3500
		3501	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3502	and return;
		3503
		3504	# always fsync - this file is important
		3505	aio_fsync $fh
		3506	and return;
		3507
		3508	# touch it again to show we are up-to-date
		3509	aio_utime $fh, undef, undef;
		3510
		3511	close $fh
		3512	or return;
		3513
		3514	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3515	and return;
		3516
		3517	warn "runtime file written.\n";
		3518
2359	}	3519	1
		3520	}
		3521
		3522	our $uuid_lock;
		3523	our $uuid_skip;
		3524
		3525	sub write_uuid_sync($) {
		3526	$uuid_skip ||= $_[0];
		3527
		3528	return if $uuid_lock;
		3529	local $uuid_lock = 1;
		3530
		3531	my $uuid = "$LOCALDIR/uuid";
		3532
		3533	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3534	or return;
		3535
		3536	my $value = uuid_seq uuid_cur;
		3537
		3538	unless ($value) {
		3539	warn "cowardly refusing to write zero uuid value!\n";
		3540	return;
		3541	}
		3542
		3543	my $value = uuid_str $value + $uuid_skip;
		3544	$uuid_skip = 0;
		3545
		3546	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3547	and return;
		3548
		3549	# always fsync - this file is important
		3550	aio_fsync $fh
		3551	and return;
		3552
		3553	close $fh
		3554	or return;
		3555
		3556	aio_rename "$uuid~", $uuid
		3557	and return;
		3558
		3559	warn "uuid file written ($value).\n";
		3560
		3561	1
		3562
		3563	}
		3564
		3565	sub write_uuid($$) {
		3566	my ($skip, $sync) = @_;
		3567
		3568	$sync ? write_uuid_sync $skip
		3569	: async { write_uuid_sync $skip };
2360	}	3570	}
2361		3571
2362	sub emergency_save() {	3572	sub emergency_save() {
2363	my $freeze_guard = cf::freeze_mainloop;	3573	my $freeze_guard = cf::freeze_mainloop;
2364		3574
2365	warn "enter emergency perl save\n";	3575	warn "emergency_perl_save: enter\n";
2366		3576
2367	cf::sync_job {	3577	cf::sync_job {
		3578	# this is a trade-off: we want to be very quick here, so
		3579	# save all maps without fsync, and later call a global sync
		3580	# (which in turn might be very very slow)
		3581	local $USE_FSYNC = 0;
		3582
2368	# use a peculiar iteration method to avoid tripping on perl	3583	# use a peculiar iteration method to avoid tripping on perl
2369	# refcount bugs in for. also avoids problems with players	3584	# refcount bugs in for. also avoids problems with players
2370	# and maps saved/destroyed asynchronously.	3585	# and maps saved/destroyed asynchronously.
2371	warn "begin emergency player save\n";	3586	warn "emergency_perl_save: begin player save\n";
2372	for my $login (keys %cf::PLAYER) {	3587	for my $login (keys %cf::PLAYER) {
2373	my $pl = $cf::PLAYER{$login} or next;	3588	my $pl = $cf::PLAYER{$login} or next;
2374	$pl->valid or next;	3589	$pl->valid or next;
		3590	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2375	$pl->save;	3591	$pl->save;
2376	}	3592	}
2377	warn "end emergency player save\n";	3593	warn "emergency_perl_save: end player save\n";
2378		3594
2379	warn "begin emergency map save\n";	3595	warn "emergency_perl_save: begin map save\n";
2380	for my $path (keys %cf::MAP) {	3596	for my $path (keys %cf::MAP) {
2381	my $map = $cf::MAP{$path} or next;	3597	my $map = $cf::MAP{$path} or next;
2382	$map->valid or next;	3598	$map->valid or next;
2383	$map->save;	3599	$map->save;
2384	}	3600	}
2385	warn "end emergency map save\n";	3601	warn "emergency_perl_save: end map save\n";
2386		3602
2387	warn "begin emergency database checkpoint\n";	3603	warn "emergency_perl_save: begin database checkpoint\n";
2388	BDB::db_env_txn_checkpoint $DB_ENV;	3604	BDB::db_env_txn_checkpoint $DB_ENV;
2389	warn "end emergency database checkpoint\n";	3605	warn "emergency_perl_save: end database checkpoint\n";
		3606
		3607	warn "emergency_perl_save: begin write uuid\n";
		3608	write_uuid_sync 1;
		3609	warn "emergency_perl_save: end write uuid\n";
2390	};	3610	};
2391		3611
		3612	warn "emergency_perl_save: starting sync()\n";
		3613	IO::AIO::aio_sync sub {
		3614	warn "emergency_perl_save: finished sync()\n";
		3615	};
		3616
2392	warn "leave emergency perl save\n";	3617	warn "emergency_perl_save: leave\n";
2393	}	3618	}
2394		3619
2395	sub post_cleanup {	3620	sub post_cleanup {
2396	my ($make_core) = @_;	3621	my ($make_core) = @_;
2397		3622
2398	warn Carp::longmess "post_cleanup backtrace"	3623	warn Carp::longmess "post_cleanup backtrace"
2399	if $make_core;	3624	if $make_core;
2400	}
2401		3625
		3626	my $fh = pidfile;
		3627	unlink $PIDFILE if <$fh> == $$;
		3628	}
		3629
		3630	# a safer delete_package, copied from Symbol
		3631	sub clear_package($) {
		3632	my $pkg = shift;
		3633
		3634	# expand to full symbol table name if needed
		3635	unless ($pkg =~ /^main::.*::$/) {
		3636	$pkg = "main$pkg" if $pkg =~ /^::/;
		3637	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3638	$pkg .= '::' unless $pkg =~ /::$/;
		3639	}
		3640
		3641	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3642	my $stem_symtab = *{$stem}{HASH};
		3643
		3644	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3645	or return;
		3646
		3647	# clear all symbols
		3648	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3649	for my $name (keys %$leaf_symtab) {
		3650	_gv_clear *{"$pkg$name"};
		3651	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3652	}
		3653	warn "cleared package $pkg\n";#d#
		3654	}
		3655
2402	sub reload() {	3656	sub do_reload_perl() {
2403	# can/must only be called in main	3657	# can/must only be called in main
2404	if ($Coro::current != $Coro::main) {	3658	if ($Coro::current != $Coro::main) {
2405	warn "can only reload from main coroutine";	3659	warn "can only reload from main coroutine";
2406	return;	3660	return;
2407	}	3661	}
2408		3662
		3663	return if $RELOAD++;
		3664
		3665	my $t1 = EV::time;
		3666
		3667	while ($RELOAD) {
2409	warn "reloading...";	3668	warn "reloading...";
2410		3669
2411	warn "entering sync_job";	3670	warn "entering sync_job";
2412		3671
2413	cf::sync_job {	3672	cf::sync_job {
2414	cf::write_runtime; # external watchdog should not bark	3673	cf::write_runtime_sync; # external watchdog should not bark
2415	cf::emergency_save;	3674	cf::emergency_save;
2416	cf::write_runtime; # external watchdog should not bark	3675	cf::write_runtime_sync; # external watchdog should not bark
2417		3676
2418	warn "syncing database to disk";	3677	warn "syncing database to disk";
2419	BDB::db_env_txn_checkpoint $DB_ENV;	3678	BDB::db_env_txn_checkpoint $DB_ENV;
2420		3679
2421	# if anything goes wrong in here, we should simply crash as we already saved	3680	# if anything goes wrong in here, we should simply crash as we already saved
2422		3681
2423	warn "cancelling all WF_AUTOCANCEL watchers";
2424	for (Event::all_watchers) {
2425	$_->cancel if $_->data & WF_AUTOCANCEL;
2426	}
2427
2428	warn "flushing outstanding aio requests";	3682	warn "flushing outstanding aio requests";
2429	for (;;) {
2430	BDB::flush;
2431	IO::AIO::flush;
2432	Coro::cede;
2433	last unless IO::AIO::nreqs || BDB::nreqs;	3683	while (IO::AIO::nreqs || BDB::nreqs) {
2434	warn "iterate...";	3684	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2435	}
2436
2437	++$RELOAD;
2438
2439	warn "cancelling all extension coros";
2440	$_->cancel for values %EXT_CORO;
2441	%EXT_CORO = ();
2442
2443	warn "removing commands";
2444	%COMMAND = ();
2445
2446	warn "removing ext commands";
2447	%EXTCMD = ();
2448
2449	warn "unloading/nuking all extensions";
2450	for my $pkg (@EXTS) {
2451	warn "... unloading $pkg";
2452
2453	if (my $cb = $pkg->can ("unload")) {
2454	eval {
2455	$cb->($pkg);
2456	1
2457	} or warn "$pkg unloaded, but with errors: $@";
2458	}	3685	}
2459		3686
2460	warn "... nuking $pkg";	3687	warn "cancelling all extension coros";
2461	Symbol::delete_package $pkg;	3688	$_->cancel for values %EXT_CORO;
2462	}	3689	%EXT_CORO = ();
2463		3690
2464	warn "unloading all perl modules loaded from $LIBDIR";	3691	warn "removing commands";
2465	while (my ($k, $v) = each %INC) {	3692	%COMMAND = ();
2466	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2467		3693
		3694	warn "removing ext/exti commands";
		3695	%EXTCMD = ();
		3696	%EXTICMD = ();
		3697
		3698	warn "unloading/nuking all extensions";
		3699	for my $pkg (@EXTS) {
2468	warn "... unloading $k";	3700	warn "... unloading $pkg";
2469	delete $INC{$k};
2470		3701
2471	$k =~ s/\.pm$//;
2472	$k =~ s/\//::/g;
2473
2474	if (my $cb = $k->can ("unload_module")) {	3702	if (my $cb = $pkg->can ("unload")) {
		3703	eval {
2475	$cb->();	3704	$cb->($pkg);
		3705	1
		3706	} or warn "$pkg unloaded, but with errors: $@";
		3707	}
		3708
		3709	warn "... clearing $pkg";
		3710	clear_package $pkg;
2476	}	3711	}
2477		3712
2478	Symbol::delete_package $k;	3713	warn "unloading all perl modules loaded from $LIBDIR";
		3714	while (my ($k, $v) = each %INC) {
		3715	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3716
		3717	warn "... unloading $k";
		3718	delete $INC{$k};
		3719
		3720	$k =~ s/\.pm$//;
		3721	$k =~ s/\//::/g;
		3722
		3723	if (my $cb = $k->can ("unload_module")) {
		3724	$cb->();
		3725	}
		3726
		3727	clear_package $k;
2479	}	3728	}
2480		3729
2481	warn "getting rid of safe::, as good as possible";	3730	warn "getting rid of safe::, as good as possible";
2482	Symbol::delete_package "safe::$_"	3731	clear_package "safe::$_"
2483	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3732	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2484		3733
2485	warn "unloading cf.pm \"a bit\"";	3734	warn "unloading cf.pm \"a bit\"";
2486	delete $INC{"cf.pm"};	3735	delete $INC{"cf.pm"};
		3736	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2487		3737
2488	# don't, removes xs symbols, too,	3738	# don't, removes xs symbols, too,
2489	# and global variables created in xs	3739	# and global variables created in xs
2490	#Symbol::delete_package __PACKAGE__;	3740	#clear_package __PACKAGE__;
2491		3741
2492	warn "unload completed, starting to reload now";	3742	warn "unload completed, starting to reload now";
2493		3743
2494	warn "reloading cf.pm";	3744	warn "reloading cf.pm";
2495	require cf;	3745	require cf;
2496	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3746	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2497		3747
2498	warn "loading config and database again";	3748	warn "loading config and database again";
2499	cf::cfg_load;	3749	cf::reload_config;
2500		3750
2501	warn "loading extensions";	3751	warn "loading extensions";
2502	cf::load_extensions;	3752	cf::load_extensions;
2503		3753
		3754	if ($REATTACH_ON_RELOAD) {
2504	warn "reattaching attachments to objects/players";	3755	warn "reattaching attachments to objects/players";
2505	_global_reattach; # objects, sockets	3756	_global_reattach; # objects, sockets
2506	warn "reattaching attachments to maps";	3757	warn "reattaching attachments to maps";
2507	reattach $_ for values %MAP;	3758	reattach $_ for values %MAP;
2508	warn "reattaching attachments to players";	3759	warn "reattaching attachments to players";
2509	reattach $_ for values %PLAYER;	3760	reattach $_ for values %PLAYER;
		3761	}
2510		3762
2511	warn "loading reloadable resources";	3763	warn "running post_init jobs";
2512	reload_resources;	3764	(pop @POST_INIT)->(1) while @POST_INIT;
2513		3765
2514	warn "leaving sync_job";	3766	warn "leaving sync_job";
2515		3767
2516	1	3768	1
2517	} or do {	3769	} or do {
2518	warn $@;	3770	warn $@;
2519	warn "error while reloading, exiting.";	3771	cf::cleanup "error while reloading, exiting.";
2520	exit 1;	3772	};
		3773
		3774	warn "reloaded";
		3775	--$RELOAD;
		3776	}
		3777
		3778	$t1 = EV::time - $t1;
		3779	warn "reload completed in ${t1}s\n";
		3780	};
		3781
		3782	our $RELOAD_WATCHER; # used only during reload
		3783
		3784	sub reload_perl() {
		3785	# doing reload synchronously and two reloads happen back-to-back,
		3786	# coro crashes during coro_state_free->destroy here.
		3787
		3788	$RELOAD_WATCHER ||= cf::async {
		3789	Coro::AIO::aio_wait cache_extensions;
		3790
		3791	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3792	do_reload_perl;
		3793	undef $RELOAD_WATCHER;
		3794	};
2521	};	3795	};
2522		3796	}
2523	warn "reloaded";
2524	};
2525
2526	our $RELOAD_WATCHER; # used only during reload
2527		3797
2528	register_command "reload" => sub {	3798	register_command "reload" => sub {
2529	my ($who, $arg) = @_;	3799	my ($who, $arg) = @_;
2530		3800
2531	if ($who->flag (FLAG_WIZ)) {	3801	if ($who->flag (FLAG_WIZ)) {
2532	$who->message ("reloading server.");	3802	$who->message ("reloading server.");
2533		3803	async {
2534	# doing reload synchronously and two reloads happen back-to-back,	3804	$Coro::current->{desc} = "perl_reload";
2535	# coro crashes during coro_state_free->destroy here.
2536
2537	$RELOAD_WATCHER ||= Event->timer (
2538	reentrant => 0,
2539	after => 0,
2540	data => WF_AUTOCANCEL,
2541	cb => sub {
2542	reload;	3805	reload_perl;
2543	undef $RELOAD_WATCHER;
2544	},
2545	);	3806	};
2546	}	3807	}
2547	};	3808	};
2548		3809
2549	unshift @INC, $LIBDIR;	3810	unshift @INC, $LIBDIR;
2550		3811
2551	my $bug_warning = 0;	3812	my $bug_warning = 0;
2552		3813
2553	$TICK_WATCHER = Event->timer (	3814	our @WAIT_FOR_TICK;
2554	reentrant => 0,	3815	our @WAIT_FOR_TICK_BEGIN;
2555	parked => 1,	3816
2556	prio => 0,	3817	sub wait_for_tick {
2557	at => $NEXT_TICK || $TICK,	3818	return if tick_inhibit || $Coro::current == $Coro::main;
2558	data => WF_AUTOCANCEL,	3819
2559	cb => sub {	3820	my $signal = new Coro::Signal;
		3821	push @WAIT_FOR_TICK, $signal;
		3822	$signal->wait;
		3823	}
		3824
		3825	sub wait_for_tick_begin {
		3826	return if tick_inhibit || $Coro::current == $Coro::main;
		3827
		3828	my $signal = new Coro::Signal;
		3829	push @WAIT_FOR_TICK_BEGIN, $signal;
		3830	$signal->wait;
		3831	}
		3832
		3833	sub tick {
2560	if ($Coro::current != $Coro::main) {	3834	if ($Coro::current != $Coro::main) {
2561	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3835	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2562	unless ++$bug_warning > 10;	3836	unless ++$bug_warning > 10;
2563	return;	3837	return;
2564	}	3838	}
2565		3839
2566	$NOW = Event::time;
2567
2568	cf::server_tick; # one server iteration	3840	cf::server_tick; # one server iteration
2569	$RUNTIME += $TICK;
2570	$NEXT_TICK += $TICK;
2571		3841
2572	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3842	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2573	$NEXT_RUNTIME_WRITE = $NOW + 10;	3843	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2574	Coro::async_pool {	3844	Coro::async_pool {
		3845	$Coro::current->{desc} = "runtime saver";
2575	write_runtime	3846	write_runtime_sync
2576	or warn "ERROR: unable to write runtime file: $!";	3847	or warn "ERROR: unable to write runtime file: $!";
2577	};
2578	}	3848	};
2579
2580	$WAIT_FOR_TICK->broadcast;
2581	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2582
2583	# my $AFTER = Event::time;
2584	# warn $AFTER - $NOW;#d#
2585
2586	# if we are delayed by four ticks or more, skip them all
2587	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2588
2589	$TICK_WATCHER->at ($NEXT_TICK);
2590	$TICK_WATCHER->start;
2591	},	3849	}
2592	);	3850
		3851	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3852	$sig->send;
		3853	}
		3854	while (my $sig = shift @WAIT_FOR_TICK) {
		3855	$sig->send;
		3856	}
		3857
		3858	$LOAD = ($NOW - $TICK_START) / $TICK;
		3859	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3860
		3861	if (0) {
		3862	if ($NEXT_TICK) {
		3863	my $jitter = $TICK_START - $NEXT_TICK;
		3864	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3865	warn "jitter $JITTER\n";#d#
		3866	}
		3867	}
		3868	}
2593		3869
2594	{	3870	{
2595	BDB::max_poll_time $TICK * 0.1;	3871	# configure BDB
2596	$BDB_POLL_WATCHER = Event->io (	3872
2597	reentrant => 0,
2598	fd => BDB::poll_fileno,
2599	poll => 'r',
2600	prio => 0,
2601	data => WF_AUTOCANCEL,
2602	cb => \&BDB::poll_cb,
2603	);
2604	BDB::min_parallel 8;	3873	BDB::min_parallel 8;
2605		3874	BDB::max_poll_reqs $TICK * 0.1;
2606	BDB::set_sync_prepare {	3875	$AnyEvent::BDB::WATCHER->priority (1);
2607	my $status;
2608	my $current = $Coro::current;
2609	(
2610	sub {
2611	$status = $!;
2612	$current->ready; undef $current;
2613	},
2614	sub {
2615	Coro::schedule while defined $current;
2616	$! = $status;
2617	},
2618	)
2619	};
2620		3876
2621	unless ($DB_ENV) {	3877	unless ($DB_ENV) {
2622	$DB_ENV = BDB::db_env_create;	3878	$DB_ENV = BDB::db_env_create;
		3879	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3880	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3881	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3882	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3883	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2623		3884
2624	cf::sync_job {	3885	cf::sync_job {
2625	eval {	3886	eval {
2626	BDB::db_env_open	3887	BDB::db_env_open
2627	$DB_ENV,	3888	$DB_ENV,
2628	$BDB_ENV_DIR,	3889	$BDBDIR,
2629	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3890	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2630	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3891	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2631	0666;	3892	0666;
2632		3893
2633	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3894	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2634
2635	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2636	$DB_ENV->set_lk_detect;
2637	};	3895	};
2638		3896
2639	cf::cleanup "db_env_open(db): $@" if $@;	3897	cf::cleanup "db_env_open(db): $@" if $@;
2640	};	3898	};
2641	}	3899	}
		3900
		3901	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3902	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3903	};
		3904	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3905	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3906	};
		3907	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3908	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3909	};
2642	}	3910	}
2643		3911
2644	{	3912	{
		3913	# configure IO::AIO
		3914
2645	IO::AIO::min_parallel 8;	3915	IO::AIO::min_parallel 8;
2646
2647	undef $Coro::AIO::WATCHER;
2648	IO::AIO::max_poll_time $TICK * 0.1;	3916	IO::AIO::max_poll_time $TICK * 0.1;
2649	$AIO_POLL_WATCHER = Event->io (	3917	undef $AnyEvent::AIO::WATCHER;
2650	reentrant => 0,
2651	data => WF_AUTOCANCEL,
2652	fd => IO::AIO::poll_fileno,
2653	poll => 'r',
2654	prio => 6,
2655	cb => \&IO::AIO::poll_cb,
2656	);
2657	}	3918	}
		3919
		3920	my $_log_backtrace;
		3921
		3922	sub _log_backtrace {
		3923	my ($msg, @addr) = @_;
		3924
		3925	$msg =~ s/\n//;
		3926
		3927	# limit the # of concurrent backtraces
		3928	if ($_log_backtrace < 2) {
		3929	++$_log_backtrace;
		3930	my $perl_bt = Carp::longmess $msg;
		3931	async {
		3932	$Coro::current->{desc} = "abt $msg";
		3933
		3934	my @bt = fork_call {
		3935	@addr = map { sprintf "%x", $_ } @addr;
		3936	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3937	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3938	or die "addr2line: $!";
		3939
		3940	my @funcs;
		3941	my @res = <$fh>;
		3942	chomp for @res;
		3943	while (@res) {
		3944	my ($func, $line) = splice @res, 0, 2, ();
		3945	push @funcs, "[$func] $line";
		3946	}
		3947
		3948	@funcs
		3949	};
		3950
		3951	LOG llevInfo, "[ABT] $perl_bt\n";
		3952	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3953	LOG llevInfo, "[ABT] $_\n" for @bt;
		3954	--$_log_backtrace;
		3955	};
		3956	} else {
		3957	LOG llevInfo, "[ABT] $msg\n";
		3958	LOG llevInfo, "[ABT] [suppressed]\n";
		3959	}
		3960	}
		3961
		3962	# load additional modules
		3963	require "cf/$_.pm" for @EXTRA_MODULES;
2658		3964
2659	END { cf::emergency_save }	3965	END { cf::emergency_save }
2660		3966
2661	1	3967	1
2662		3968

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