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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.225 by root, Wed Mar 14 00:04:58 2007 UTC vs.
Revision 1.476 by root, Wed Sep 2 16:54:20 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;
9	use Event;	31	use EV;
10	use Opcode;	32	use Opcode;
11	use Safe;	33	use Safe;
12	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
13		36
		37	use Guard ();
14	use Coro 3.52 ();	38	use Coro ();
15	use Coro::State;	39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
16	use Coro::Event;	42	use Coro::AnyEvent;
17	use Coro::Timer;	43	use Coro::Timer;
18	use Coro::Signal;	44	use Coro::Signal;
19	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
20	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
21		52
		53	use JSON::XS 2.01 ();
22	use BDB ();	54	use BDB ();
23	use Data::Dumper;	55	use Data::Dumper;
24	use Digest::MD5;	56	use Digest::MD5;
25	use Fcntl;	57	use Fcntl;
		58	use YAML ();
26	use IO::AIO 2.32 ();	59	use IO::AIO ();
27	use YAML::Syck ();
28	use Time::HiRes;	60	use Time::HiRes;
29	use Compress::LZF;	61	use Compress::LZF;
		62	use Digest::MD5 ();
30		63
		64	AnyEvent::detect;
		65
		66	# configure various modules to our taste
		67	#
		68	$Storable::canonical = 1; # reduce rsync transfers
31	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	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";
32	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
33	$Event::Eval = 1; # no idea why this is required, but it is	76
		77	# strictly for debugging
		78	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
34		79
35	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	80	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
36
37	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
38	$YAML::Syck::ImplicitUnicode = 1;
39
40	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
41		81
42	our %COMMAND = ();	82	our %COMMAND = ();
43	our %COMMAND_TIME = ();	83	our %COMMAND_TIME = ();
44		84
45	our @EXTS = (); # list of extension package names	85	our @EXTS = (); # list of extension package names
46	our %EXTCMD = ();	86	our %EXTCMD = ();
		87	our %EXTICMD = ();
47	our %EXT_CORO = (); # coroutines bound to extensions	88	our %EXT_CORO = (); # coroutines bound to extensions
48	our %EXT_MAP = (); # pluggable maps	89	our %EXT_MAP = (); # pluggable maps
49		90
50	our $RELOAD; # number of reloads so far	91	our $RELOAD; # number of reloads so far, non-zero while in reload
51	our @EVENT;	92	our @EVENT;
52	our $LIBDIR = datadir . "/ext";
53		93
54	our $TICK = MAX_TIME * 1e-6;	94	our $CONFDIR = confdir;
55	our $TICK_WATCHER;	95	our $DATADIR = datadir;
56	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(!)
57	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	111	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
58	our $NEXT_TICK;	112	our $NEXT_TICK;
59	our $NOW;
60	our $USE_FSYNC = 1; # use fsync to write maps - default off	113	our $USE_FSYNC = 1; # use fsync to write maps - default on
61		114
		115	our $BDB_DEADLOCK_WATCHER;
		116	our $BDB_CHECKPOINT_WATCHER;
62	our $BDB_POLL_WATCHER;	117	our $BDB_TRICKLE_WATCHER;
63	our $DB_ENV;	118	our $DB_ENV;
		119
		120	our @EXTRA_MODULES = qw(pod mapscript);
64		121
65	our %CFG;	122	our %CFG;
66		123
67	our $UPTIME; $UPTIME ||= time;	124	our $UPTIME; $UPTIME ||= time;
68	our $RUNTIME;	125	our $RUNTIME;
		126	our $NOW;
69		127
70	our %PLAYER; # all users	128	our (%PLAYER, %PLAYER_LOADING); # all users
71	our %MAP; # all maps	129	our (%MAP, %MAP_LOADING ); # all maps
72	our $LINK_MAP; # the special {link} map, which is always available	130	our $LINK_MAP; # the special {link} map, which is always available
73	our $RANDOM_MAPS = cf::localdir . "/random";
74	our $BDB_ENV_DIR = cf::localdir . "/db";
75
76	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
77	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
78		131
79	# 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 ∕
80	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	133	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
81		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 $REALLY_UNLOOP; # never set to true, please :)
		144
82	binmode STDOUT;	145	binmode STDOUT;
83	binmode STDERR;	146	binmode STDERR;
84		147
85	# read virtual server time, if available	148	# read virtual server time, if available
86	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	149	unless ($RUNTIME || !-e $RUNTIMEFILE) {
87	open my $fh, "<", cf::localdir . "/runtime"	150	open my $fh, "<", $RUNTIMEFILE
88	or die "unable to read runtime file: $!";	151	or die "unable to read $RUNTIMEFILE file: $!";
89	$RUNTIME = <$fh> + 0.;	152	$RUNTIME = <$fh> + 0.;
90	}	153	}
91		154
92	mkdir cf::localdir;	155	eval "sub TICK() { $TICK } 1" or die;
93	mkdir cf::localdir . "/" . cf::playerdir;	156
94	mkdir cf::localdir . "/" . cf::tmpdir;	157	mkdir $_
95	mkdir cf::localdir . "/" . cf::uniquedir;	158	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
96	mkdir $RANDOM_MAPS;
97	mkdir $BDB_ENV_DIR;
98		159
99	our $EMERGENCY_POSITION;	160	our $EMERGENCY_POSITION;
100		161
101	sub cf::map::normalise;	162	sub cf::map::normalise;
102		163
…		…
113	=item $cf::RUNTIME	174	=item $cf::RUNTIME
114		175
115	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
116	every server tick.	177	every server tick.
117		178
118	=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
119		182
120	The perl library directory, where extensions and cf-specific modules can	183	Various directories - "/etc", read-only install directory, perl-library
121	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.
122		187
123	=item $cf::NOW	188	=item $cf::NOW
124		189
125	The time of the last (current) server tick.	190	The time of the last (current) server tick.
126		191
127	=item $cf::TICK	192	=item $cf::TICK
128		193
129	The interval between server ticks, in seconds.	194	The interval between server ticks, in seconds.
130		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
131	=item %cf::CFG	206	=item %cf::CFG
132		207
133	Configuration for the server, loaded from C</etc/crossfire/config>, or	208	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
134	from wherever your confdir points to.	209	from wherever your confdir points to.
135		210
136	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	211	=item cf::wait_for_tick, cf::wait_for_tick_begin
137		212
138	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
139	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
140	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.
141	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.
142		222
143	=back	223	=back
144		224
145	=cut	225	=cut
146		226
147	BEGIN {	227	BEGIN {
148	*CORE::GLOBAL::warn = sub {	228	*CORE::GLOBAL::warn = sub {
149	my $msg = join "", @_;	229	my $msg = join "", @_;
150	utf8::encode $msg;
151		230
152	$msg .= "\n"	231	$msg .= "\n"
153	unless $msg =~ /\n$/;	232	unless $msg =~ /\n$/;
154		233
		234	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		235
155	LOG llevError, $msg;	236	LOG llevError, $msg;
156	};	237	};
157	}	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#?
158		254
159	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	255	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
160	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	256	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
161	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	257	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
162	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	258	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
163	@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';
164	@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)
165		262
166	# 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
167	# within the Safe compartment.	264	# within the Safe compartment.
168	for my $pkg (qw(	265	for my $pkg (qw(
169	cf::global cf::attachable	266	cf::global cf::attachable
170	cf::object cf::object::player	267	cf::object cf::object::player
171	cf::client cf::player	268	cf::client cf::player
172	cf::arch cf::living	269	cf::arch cf::living
		270	cf::map cf::mapspace
173	cf::map cf::party cf::region	271	cf::party cf::region
174	)) {	272	)) {
175	no strict 'refs';
176	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	273	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
177	}	274	}
178		275
179	$Event::DIED = sub {	276	$EV::DIED = sub {
180	warn "error in event callback: @_";	277	warn "error in event callback: @_";
181	};	278	};
		279
		280	#############################################################################
182		281
183	=head2 UTILITY FUNCTIONS	282	=head2 UTILITY FUNCTIONS
184		283
185	=over 4	284	=over 4
186		285
…		…
205	$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;
206	$d	305	$d
207	} || "[unable to dump $_[0]: '$@']";	306	} || "[unable to dump $_[0]: '$@']";
208	}	307	}
209		308
210	use JSON::Syck (); # TODO# replace by JSON::PC once working
211
212	=item $ref = cf::from_json $json	309	=item $ref = cf::decode_json $json
213		310
214	Converts a JSON string into the corresponding perl data structure.	311	Converts a JSON string into the corresponding perl data structure.
215		312
216	=cut
217
218	sub from_json($) {
219	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
220	JSON::Syck::Load $_[0]
221	}
222
223	=item $json = cf::to_json $ref	313	=item $json = cf::encode_json $ref
224		314
225	Converts a perl data structure into its JSON representation.	315	Converts a perl data structure into its JSON representation.
226		316
227	=cut	317	=cut
228		318
229	sub to_json($) {	319	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
230	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	320
231	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;
232	}	336	}
233		337
234	=item cf::lock_wait $string	338	=item cf::lock_wait $string
235		339
236	Wait until the given lock is available. See cf::lock_acquire.	340	Wait until the given lock is available. See cf::lock_acquire.
237		341
238	=item my $lock = cf::lock_acquire $string	342	=item my $lock = cf::lock_acquire $string
239		343
240	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
241	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,
242	for example when the coroutine gets canceled), the lock is automatically	346	for example when the coroutine gets canceled), the lock is automatically
243	returned.	347	returned.
244		348
		349	Locks are *not* recursive, locking from the same coro twice results in a
		350	deadlocked coro.
		351
245	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
246	uses map_find and cf::map::load uses map_load).	353	uses map_find and cf::map::load uses map_load).
247		354
248	=cut	355	=item $locked = cf::lock_active $string
249		356
250	our %LOCK;	357	Return true if the lock is currently active, i.e. somebody has locked it.
		358
		359	=cut
		360
		361	our $LOCKS = new Coro::SemaphoreSet;
251		362
252	sub lock_wait($) {	363	sub lock_wait($) {
253	my ($key) = @_;	364	$LOCKS->wait ($_[0]);
254
255	# wait for lock, if any
256	while ($LOCK{$key}) {
257	push @{ $LOCK{$key} }, $Coro::current;
258	Coro::schedule;
259	}
260	}	365	}
261		366
262	sub lock_acquire($) {	367	sub lock_acquire($) {
263	my ($key) = @_;	368	$LOCKS->guard ($_[0])
		369	}
264		370
265	# wait, to be sure we are not locked	371	sub lock_active($) {
266	lock_wait $key;	372	$LOCKS->count ($_[0]) < 1
267
268	$LOCK{$key} = [];
269
270	Coro::guard {
271	# wake up all waiters, to be on the safe side
272	$_->ready for @{ delete $LOCK{$key} };
273	}
274	}	373	}
275		374
276	sub freeze_mainloop {	375	sub freeze_mainloop {
277	return unless $TICK_WATCHER->is_active;	376	tick_inhibit_inc;
278		377
279	my $guard = Coro::guard {	378	&Guard::guard (\&tick_inhibit_dec);
280	$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($$) {
		389	my ($interval, $cb) = @_;
		390
		391	my $start = rand List::Util::min 180, $interval;
		392
		393	EV::periodic $start, $interval, 0, $cb
		394	}
		395
		396	=item cf::get_slot $time[, $priority[, $name]]
		397
		398	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		399	This call blocks and returns only when you have at least C<$time> seconds
		400	of cpu time till the next tick. The slot is only valid till the next cede.
		401
		402	The optional C<$name> can be used to identify the job to run. It might be
		403	used for statistical purposes and should identify the same time-class.
		404
		405	Useful for short background jobs.
		406
		407	=cut
		408
		409	our @SLOT_QUEUE;
		410	our $SLOT_QUEUE;
		411
		412	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		413	$SLOT_QUEUE = Coro::async {
		414	$Coro::current->desc ("timeslot manager");
		415
		416	my $signal = new Coro::Signal;
		417
		418	while () {
		419	next_job:
		420	my $avail = cf::till_tick;
		421	if ($avail > 0.01) {
		422	for (0 .. $#SLOT_QUEUE) {
		423	if ($SLOT_QUEUE[$_][0] < $avail) {
		424	my $job = splice @SLOT_QUEUE, $_, 1, ();
		425	$job->[2]->send;
		426	Coro::cede;
		427	goto next_job;
		428	}
		429	}
		430	}
		431
		432	if (@SLOT_QUEUE) {
		433	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		434	push @cf::WAIT_FOR_TICK, $signal;
		435	$signal->wait;
		436	} else {
		437	Coro::schedule;
		438	}
281	};	439	}
282	$TICK_WATCHER->stop;	440	};
283	$guard	441
		442	sub get_slot($;$$) {
		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	$sig->wait;
284	}	454	}
285		455
286	=item cf::async { BLOCK }	456	=item cf::async { BLOCK }
287		457
288	Currently the same as Coro::async_pool, meaning you cannot use	458	Currently the same as Coro::async_pool, meaning you cannot use
…		…
293		463
294	BEGIN { *async = \&Coro::async_pool }	464	BEGIN { *async = \&Coro::async_pool }
295		465
296	=item cf::sync_job { BLOCK }	466	=item cf::sync_job { BLOCK }
297		467
298	The design of crossfire+ requires that the main coro ($Coro::main) is	468	The design of Deliantra requires that the main coroutine ($Coro::main)
299	always able to handle events or runnable, as crossfire+ is only partly	469	is always able to handle events or runnable, as Deliantra is only
300	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	470	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		471	acceptable.
301		472
302	If it must be done, put the blocking parts into C<sync_job>. This will run	473	If it must be done, put the blocking parts into C<sync_job>. This will run
303	the given BLOCK in another coroutine while waiting for the result. The	474	the given BLOCK in another coroutine while waiting for the result. The
304	server will be frozen during this time, so the block should either finish	475	server will be frozen during this time, so the block should either finish
305	fast or be very important.	476	fast or be very important.
…		…
308		479
309	sub sync_job(&) {	480	sub sync_job(&) {
310	my ($job) = @_;	481	my ($job) = @_;
311		482
312	if ($Coro::current == $Coro::main) {	483	if ($Coro::current == $Coro::main) {
		484	my $time = EV::time;
		485
313	# this is the main coro, too bad, we have to block	486	# this is the main coro, too bad, we have to block
314	# till the operation succeeds, freezing the server :/	487	# till the operation succeeds, freezing the server :/
315		488
316	# TODO: use suspend/resume instead	489	LOG llevError, Carp::longmess "sync job";#d#
317	# (but this is cancel-safe)	490
318	my $freeze_guard = freeze_mainloop;	491	my $freeze_guard = freeze_mainloop;
319		492
320	my $busy = 1;	493	my $busy = 1;
321	my @res;	494	my @res;
322		495
323	(async {	496	(async {
		497	$Coro::current->desc ("sync job coro");
324	@res = eval { $job->() };	498	@res = eval { $job->() };
325	warn $@ if $@;	499	warn $@ if $@;
326	undef $busy;	500	undef $busy;
327	})->prio (Coro::PRIO_MAX);	501	})->prio (Coro::PRIO_MAX);
328		502
329	while ($busy) {	503	while ($busy) {
330	Coro::cede or Event::one_event;	504	if (Coro::nready) {
		505	Coro::cede_notself;
		506	} else {
		507	EV::loop EV::LOOP_ONESHOT;
331	}	508	}
		509	}
		510
		511	my $time = EV::time - $time;
		512
		513	$TICK_START += $time; # do not account sync jobs to server load
332		514
333	wantarray ? @res : $res[0]	515	wantarray ? @res : $res[0]
334	} else {	516	} else {
335	# we are in another coroutine, how wonderful, everything just works	517	# we are in another coroutine, how wonderful, everything just works
336		518
…		…
356	$EXT_CORO{$coro+0} = $coro;	538	$EXT_CORO{$coro+0} = $coro;
357		539
358	$coro	540	$coro
359	}	541	}
360		542
361	sub write_runtime {	543	=item fork_call { }, $args
362	my $guard = cf::lock_acquire "write_runtime";
363		544
364	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.
365		549
366	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	550	=cut
367	or return;
368		551
369	my $value = $cf::RUNTIME + 90 + 10;	552	sub fork_call(&@) {
370	# 10 is the runtime save interval, for a monotonic clock	553	my ($cb, @args) = @_;
371	# 60 allows for the watchdog to kill the server.
372		554
373	(aio_write $fh, 0, (length $value), $value, 0) <= 0	555	# we seemingly have to make a local copy of the whole thing,
374	and return;	556	# otherwise perl prematurely frees the stuff :/
		557	# TODO: investigate and fix (likely this will be rather laborious)
375		558
376	# always fsync - this file is important	559	my @res = Coro::Util::fork_eval {
377	aio_fsync $fh	560	reset_signals;
378	and return;	561	&$cb
		562	}, @args;
379		563
380	close $fh	564	wantarray ? @res : $res[-1]
381	or return;	565	}
382		566
383	aio_rename "$runtime~", $runtime	567	=item $coin = coin_from_name $name
384	and return;
385		568
		569	=cut
		570
		571	our %coin_alias = (
		572	"silver" => "silvercoin",
		573	"silvercoin" => "silvercoin",
		574	"silvercoins" => "silvercoin",
		575	"gold" => "goldcoin",
		576	"goldcoin" => "goldcoin",
		577	"goldcoins" => "goldcoin",
		578	"platinum" => "platinacoin",
		579	"platinumcoin" => "platinacoin",
		580	"platinumcoins" => "platinacoin",
		581	"platina" => "platinacoin",
		582	"platinacoin" => "platinacoin",
		583	"platinacoins" => "platinacoin",
		584	"royalty" => "royalty",
		585	"royalties" => "royalty",
		586	);
		587
		588	sub coin_from_name($) {
		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($$) {
		636	my $key = "$_[0]/$_[1]";
		637
		638	cf::sync_job {
		639	BDB::db_get $DB, undef, $key, my $data;
		640
		641	$! ? ()
		642	: $data
386	1	643	}
		644	}
		645
		646	sub db_put($$$) {
		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 });
387	}	730	}
388		731
389	=back	732	=back
390		733
391	=cut	734	=cut
392		735
393	#############################################################################	736	#############################################################################
394		737
395	=head2 ATTACHABLE OBJECTS	738	=head2 ATTACHABLE OBJECTS
396		739
397	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
398	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")
399	to it. All such attachable objects support the following methods.	742	to it. All such attachable objects support the following methods.
400		743
401	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>
402	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
403	crossfire+).	746	Deliantra).
404		747
405	=over 4	748	=over 4
406		749
407	=item $attachable->attach ($attachment, key => $value...)	750	=item $attachable->attach ($attachment, key => $value...)
408		751
…		…
452	=item cf::CLASS::attachment $name, ...	795	=item cf::CLASS::attachment $name, ...
453		796
454	Register an attachment by C<$name> through which attachable objects of the	797	Register an attachment by C<$name> through which attachable objects of the
455	given CLASS can refer to this attachment.	798	given CLASS can refer to this attachment.
456		799
457	Some classes such as crossfire maps and objects can specify attachments	800	Some classes such as deliantra maps and objects can specify attachments
458	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.
459		802
460	These calls expect any number of the following handler/hook descriptions:	803	These calls expect any number of the following handler/hook descriptions:
461		804
462	=over 4	805	=over 4
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	914	$registry = $CB_TYPE[$object_type] ||= [];
572		915
573	} elsif ($type eq "subtype") {	916	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	917	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	918	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	919	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		920
578	} elsif ($type eq "package") {	921	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	922	my $pkg = shift @arg;
580		923
581	while (my ($name, $id) = each %cb_id) {	924	while (my ($name, $id) = each %cb_id) {
…		…
610	_attach $registry, $klass, @attach;	953	_attach $registry, $klass, @attach;
611	}	954	}
612		955
613	$obj->{$name} = \%arg;	956	$obj->{$name} = \%arg;
614	} else {	957	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	958	warn "object uses attachment '$name' which is not available, postponing.\n";
616	}	959	}
617		960
618	$obj->{_attachment}{$name} = undef;	961	$obj->{_attachment}{$name} = undef;
619	}	962	}
620		963
…		…
622	if (ref $_[0]) {	965	if (ref $_[0]) {
623	_object_attach @_;	966	_object_attach @_;
624	} else {	967	} else {
625	_attach shift->_attach_registry, @_;	968	_attach shift->_attach_registry, @_;
626	}	969	}
		970	_recalc_want;
627	};	971	};
628		972
629	# all those should be optimised	973	# all those should be optimised
630	sub cf::attachable::detach {	974	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	975	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	978	delete $obj->{_attachment}{$name};
635	reattach ($obj);	979	reattach ($obj);
636	} else {	980	} else {
637	Carp::croak "cannot, currently, detach class attachments";	981	Carp::croak "cannot, currently, detach class attachments";
638	}	982	}
		983	_recalc_want;
639	};	984	};
640		985
641	sub cf::attachable::attached {	986	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	987	my ($obj, $name) = @_;
643		988
…		…
658	";	1003	";
659	die if $@;	1004	die if $@;
660	}	1005	}
661		1006
662	our $override;	1007	our $override;
663	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?
664		1009
665	sub override {	1010	sub override {
666	$override = 1;	1011	$override = 1;
667	@invoke_results = ();	1012	@INVOKE_RESULTS = (@_);
668	}	1013	}
669		1014
670	sub do_invoke {	1015	sub do_invoke {
671	my $event = shift;	1016	my $event = shift;
672	my $callbacks = shift;	1017	my $callbacks = shift;
673		1018
674	@invoke_results = ();	1019	@INVOKE_RESULTS = ();
675		1020
676	local $override;	1021	local $override;
677		1022
678	for (@$callbacks) {	1023	for (@$callbacks) {
679	eval { &{$_->[1]} };	1024	eval { &{$_->[1]} };
…		…
688	}	1033	}
689		1034
690	0	1035	0
691	}	1036	}
692		1037
693	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1038	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
694		1039
695	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1040	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
696		1041
697	Generate an object-specific event with the given arguments.	1042	Generate an object-specific event with the given arguments.
698		1043
699	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
700	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
701	results (if you must, access C<@cf::invoke_results> directly).	1046	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		1047
703	=back	1048	=back
704		1049
705	=cut	1050	=cut
706		1051
707	#############################################################################	1052	#############################################################################
708	# 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, $ob2
		1095	}
709		1096
710	sub reattach {	1097	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	1098	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	1099	my ($obj) = @_;
713		1100
		1101	# no longer needed after getting rid of delete_package?
714	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
715		1103
716	my $registry = $obj->registry;	1104	my $registry = $obj->registry;
717		1105
718	@$registry = ();	1106	@$registry = ();
719		1107
…		…
734	cf::attachable->attach (	1122	cf::attachable->attach (
735	prio => -1000000,	1123	prio => -1000000,
736	on_instantiate => sub {	1124	on_instantiate => sub {
737	my ($obj, $data) = @_;	1125	my ($obj, $data) = @_;
738		1126
739	$data = from_json $data;	1127	$data = decode_json $data;
740		1128
741	for (@$data) {	1129	for (@$data) {
742	my ($name, $args) = @$_;	1130	my ($name, $args) = @$_;
743		1131
744	$obj->attach ($name, %{$args || {} });	1132	$obj->attach ($name, %{$args || {} });
…		…
760	sub object_freezer_save {	1148	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1149	my ($filename, $rdata, $objs) = @_;
762		1150
763	sync_job {	1151	sync_job {
764	if (length $$rdata) {	1152	if (length $$rdata) {
		1153	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1154	warn sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1155	$decname, length $$rdata, scalar @$objs;
767		1156
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1157	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1158	aio_chmod $fh, SAVE_MODE;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1159	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	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	}
772	close $fh;	1164	aio_close $fh;
773		1165
774	if (@$objs) {	1166	if (@$objs) {
775	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) {
776	chmod SAVE_MODE, $fh;	1168	aio_chmod $fh, SAVE_MODE;
777	my $data = Storable::nfreeze { version => 1, objs => $objs };	1169	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
778	aio_write $fh, 0, (length $data), $data, 0;	1170	aio_write $fh, 0, (length $data), $data, 0;
779	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	}
780	close $fh;	1175	aio_close $fh;
781	aio_rename "$filename.pst~", "$filename.pst";	1176	aio_rename "$filename.pst~", "$filename.pst";
782	}	1177	}
783	} else {	1178	} else {
784	aio_unlink "$filename.pst";	1179	aio_unlink "$filename.pst";
785	}	1180	}
786		1181
787	aio_rename "$filename~", $filename;	1182	aio_rename "$filename~", $filename;
		1183
		1184	$filename =~ s%/[^/]+$%%;
		1185	aio_pathsync $filename if $cf::USE_FSYNC;
788	} else {	1186	} else {
789	warn "FATAL: $filename~: $!\n";	1187	warn "unable to save objects: $filename~: $!\n";
790	}	1188	}
791	} else {	1189	} else {
792	aio_unlink $filename;	1190	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1191	aio_unlink "$filename.pst";
794	}	1192	}
795	}	1193	};
796	}	1194	}
797		1195
798	sub object_freezer_as_string {	1196	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1197	my ($rdata, $objs) = @_;
800		1198
…		…
812	or return;	1210	or return;
813		1211
814	unless (aio_stat "$filename.pst") {	1212	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1213	(aio_load "$filename.pst", $av) >= 0
816	or return;	1214	or return;
		1215
817	$av = eval { (Storable::thaw $av)->{objs} };	1216	my $st = eval { Coro::Storable::thaw $av };
		1217	$av = $st->{objs};
818	}	1218	}
819		1219
		1220	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1221	warn sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1222	$decname, length $data, scalar @{$av || []};
		1223
822	return ($data, $av);	1224	($data, $av)
823	}	1225	}
		1226
		1227	=head2 COMMAND CALLBACKS
		1228
		1229	=over 4
		1230
		1231	=cut
824		1232
825	#############################################################################	1233	#############################################################################
826	# command handling &c	1234	# command handling &c
827		1235
828	=item cf::register_command $name => \&callback($ob,$args);	1236	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1249	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1250	}
843		1251
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1252	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1253
846	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.
847		1259
848	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
849	called.	1261	called.
850		1262
		1263	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1264
		1265	Register a callback for execution when the client sends an (asynchronous)
		1266	exticmd packet. Exti commands are processed by the server as soon as they
		1267	are received, i.e. out of order w.r.t. other commands. The first argument
		1268	is a client socket. Exti commands can be received anytime, even before
		1269	log-in.
		1270
		1271	If the callback returns something, it is sent back as if reply was being
		1272	called.
		1273
851	=cut	1274	=cut
852		1275
853	sub register_extcmd {	1276	sub register_extcmd {
854	my ($name, $cb) = @_;	1277	my ($name, $cb) = @_;
855		1278
856	$EXTCMD{$name} = $cb;	1279	$EXTCMD{$name} = $cb;
857	}	1280	}
		1281
		1282	sub register_exticmd {
		1283	my ($name, $cb) = @_;
		1284
		1285	$EXTICMD{$name} = $cb;
		1286	}
		1287
		1288	use File::Glob ();
858		1289
859	cf::player->attach (	1290	cf::player->attach (
860	on_command => sub {	1291	on_command => sub {
861	my ($pl, $name, $params) = @_;	1292	my ($pl, $name, $params) = @_;
862		1293
…		…
870	cf::override;	1301	cf::override;
871	},	1302	},
872	on_extcmd => sub {	1303	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1304	my ($pl, $buf) = @_;
874		1305
875	my $msg = eval { from_json $buf };	1306	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1307
877	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
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1316	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1317	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1318	}
		1319
		1320	$pl->ext_reply ($reply, @reply)
		1321	if $reply;
		1322
883	} else {	1323	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1324	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1325	}
886		1326
887	cf::override;	1327	cf::override;
888	},	1328	},
889	);	1329	);
890		1330
		1331	# "readahead" all extensions
891	sub load_extension {	1332	sub cache_extensions {
892	my ($path) = @_;	1333	my $grp = IO::AIO::aio_group;
893		1334
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1335	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
895	my $base = $1;	1336	for (grep /\.ext$/, @{$_[0]}) {
896	my $pkg = $1;	1337	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}	1338	}
919	die $@;
920	}	1339	};
921		1340
922	push @EXTS, $pkg;	1341	$grp
923	}	1342	}
924		1343
925	sub load_extensions {	1344	sub load_extensions {
		1345	cf::sync_job {
		1346	my %todo;
		1347
926	for my $ext (<$LIBDIR/*.ext>) {	1348	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1349	next unless -r $path;
928	eval {	1350
929	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	$progress = 1;
930	1	1407	}
931	} or warn "$ext not loaded: $@";	1408
		1409	skip:
		1410	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1411	unless $progress;
		1412	}
932	}	1413	};
933	}	1414	}
934		1415
935	#############################################################################	1416	#############################################################################
936		1417
		1418	=back
		1419
937	=head2 CORE EXTENSIONS	1420	=head2 CORE EXTENSIONS
938		1421
939	Functions and methods that extend core crossfire objects.	1422	Functions and methods that extend core deliantra objects.
940		1423
941	=cut	1424	=cut
942		1425
943	package cf::player;	1426	package cf::player;
944		1427
…		…
946		1429
947	=head3 cf::player	1430	=head3 cf::player
948		1431
949	=over 4	1432	=over 4
950		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
951	=item cf::player::find $login	1448	=item cf::player::find $login
952		1449
953	Returns the given player object, loading it if necessary (might block).	1450	Returns the given player object, loading it if necessary (might block).
954		1451
955	=cut	1452	=cut
956		1453
957	sub playerdir($) {	1454	sub playerdir($) {
958	cf::localdir	1455	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1456	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1457	}
964		1458
965	sub path($) {	1459	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1460	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1461
968	(playerdir $login) . "/$login.pl"	1462	(playerdir $login) . "/playerdata"
969	}	1463	}
970		1464
971	sub find_active($) {	1465	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1466	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1467	and $cf::PLAYER{$_[0]}->active
…		…
976		1470
977	sub exists($) {	1471	sub exists($) {
978	my ($login) = @_;	1472	my ($login) = @_;
979		1473
980	$cf::PLAYER{$login}	1474	$cf::PLAYER{$login}
981	or cf::sync_job { !aio_stat path $login }	1475	or !aio_stat path $login
982	}	1476	}
983		1477
984	sub find($) {	1478	sub find($) {
985	return $cf::PLAYER{$_[0]} || do {	1479	return $cf::PLAYER{$_[0]} || do {
986	my $login = $_[0];	1480	my $login = $_[0];
987		1481
988	my $guard = cf::lock_acquire "user_find:$login";	1482	my $guard = cf::lock_acquire "user_find:$login";
989		1483
990	$cf::PLAYER{$_[0]} || do {	1484	$cf::PLAYER{$_[0]} || do {
991	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
992	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;
993	$cf::PLAYER{$login} = $pl	1500	$cf::PLAYER{$login} = $pl
994	}	1501	}
995	}	1502	}
996	}	1503	}
997		1504
…		…
1006	return if $pl->{deny_save};	1513	return if $pl->{deny_save};
1007		1514
1008	aio_mkdir playerdir $pl, 0770;	1515	aio_mkdir playerdir $pl, 0770;
1009	$pl->{last_save} = $cf::RUNTIME;	1516	$pl->{last_save} = $cf::RUNTIME;
1010		1517
		1518	cf::get_slot 0.01;
		1519
1011	$pl->save_pl ($path);	1520	$pl->save_pl ($path);
1012	Coro::cede;	1521	cf::cede_to_tick;
1013	}	1522	}
1014		1523
1015	sub new($) {	1524	sub new($) {
1016	my ($login) = @_;	1525	my ($login) = @_;
1017		1526
…		…
1023	$cf::PLAYER{$login} = $self;	1532	$cf::PLAYER{$login} = $self;
1024		1533
1025	$self	1534	$self
1026	}	1535	}
1027		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
1028	=item $pl->quit_character	1547	=item $pl->quit_character
1029		1548
1030	Nukes the player without looking back. If logged in, the connection will	1549	Nukes the player without looking back. If logged in, the connection will
1031	be destroyed. May block for a long time.	1550	be destroyed. May block for a long time.
1032		1551
…		…
1036	my ($pl) = @_;	1555	my ($pl) = @_;
1037		1556
1038	my $name = $pl->ob->name;	1557	my $name = $pl->ob->name;
1039		1558
1040	$pl->{deny_save} = 1;	1559	$pl->{deny_save} = 1;
1041	$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
1042		1561
1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1562	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1044	$pl->deactivate;	1563	$pl->deactivate;
		1564	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1565	$pl->ob->check_score;
1045	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1566	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1046	$pl->ns->destroy if $pl->ns;	1567	$pl->ns->destroy if $pl->ns;
1047		1568
1048	my $path = playerdir $pl;	1569	my $path = playerdir $pl;
1049	my $temp = "$path~$cf::RUNTIME~deleting~";	1570	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1079	while and may block, so not sync_job-capable, ever.	1600	while and may block, so not sync_job-capable, ever.
1080		1601
1081	=cut	1602	=cut
1082		1603
1083	sub list_logins {	1604	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1605	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1606	or return [];
1086		1607
1087	my @logins;	1608	my @logins;
1088		1609
1089	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") {
1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1616	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1091	aio_read $fh, 0, 512, my $buf, 0 or next;	1617	aio_read $fh, 0, 512, my $buf, 0 or next;
1092	$buf !~ /^password -------------$/m or next; # official not-valid tag	1618	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1619	}
1093		1620
1094	utf8::decode $login;	1621	utf8::decode $login;
1095	push @logins, $login;	1622	push @logins, $login;
1096	}	1623	}
1097		1624
…		…
1124	}	1651	}
1125		1652
1126	\@paths	1653	\@paths
1127	}	1654	}
1128		1655
		1656	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1657
		1658	Expand deliantra pod fragments into protocol xml.
		1659
1129	=item $player->ext_reply ($msgid, $msgtype, %msg)	1660	=item $player->ext_reply ($msgid, @msg)
1130		1661
1131	Sends an ext reply to the player.	1662	Sends an ext reply to the player.
1132		1663
1133	=cut	1664	=cut
1134		1665
1135	sub ext_reply($$$%) {	1666	sub ext_reply($$@) {
1136	my ($self, $id, %msg) = @_;	1667	my ($self, $id, @msg) = @_;
1137		1668
1138	$msg{msgid} = $id;	1669	$self->ns->ext_reply ($id, @msg)
1139
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1670	}
1142		1671
1143	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	}
1144		1712
1145	=back	1713	=back
1146
1147		1714
1148	=head3 cf::map	1715	=head3 cf::map
1149		1716
1150	=over 4	1717	=over 4
1151		1718
…		…
1163	our $MAX_RESET = 3600;	1730	our $MAX_RESET = 3600;
1164	our $DEFAULT_RESET = 3000;	1731	our $DEFAULT_RESET = 3000;
1165		1732
1166	sub generate_random_map {	1733	sub generate_random_map {
1167	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
1168	# mit "rum" bekleckern, nicht	1738	# mit "rum" bekleckern, nicht
1169	$self->_create_random_map (	1739	$self->_create_random_map (
1170	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1740	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1171	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1741	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1172	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1742	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1206	my ($self, $merge) = @_;	1776	my ($self, $merge) = @_;
1207		1777
1208	# we have to keep some variables in memory intact	1778	# we have to keep some variables in memory intact
1209	local $self->{path};	1779	local $self->{path};
1210	local $self->{load_path};	1780	local $self->{load_path};
1211	local $self->{deny_save};
1212	local $self->{deny_reset};
1213		1781
1214	$self->SUPER::thawer_merge ($merge);	1782	$self->SUPER::thawer_merge ($merge);
1215	}	1783	}
1216		1784
1217	sub normalise {	1785	sub normalise {
…		…
1264	$self->init; # pass $1 etc.	1832	$self->init; # pass $1 etc.
1265	return $self;	1833	return $self;
1266	}	1834	}
1267	}	1835	}
1268		1836
1269	Carp::carp "unable to resolve path '$path' (base '$base').";	1837	Carp::cluck "unable to resolve path '$path' (base '$base').";
1270	()	1838	()
1271	}	1839	}
1272		1840
1273	sub init {	1841	sub init {
1274	my ($self) = @_;	1842	my ($self) = @_;
…		…
1289		1857
1290	# the original (read-only) location	1858	# the original (read-only) location
1291	sub load_path {	1859	sub load_path {
1292	my ($self) = @_;	1860	my ($self) = @_;
1293		1861
1294	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1862	"$MAPDIR/$self->{path}.map"
1295	}	1863	}
1296		1864
1297	# the temporary/swap location	1865	# the temporary/swap location
1298	sub save_path {	1866	sub save_path {
1299	my ($self) = @_;	1867	my ($self) = @_;
1300		1868
1301	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1869	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1302	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1870	"$TMPDIR/$path.map"
1303	}	1871	}
1304		1872
1305	# the unique path, undef == no special unique path	1873	# the unique path, undef == no special unique path
1306	sub uniq_path {	1874	sub uniq_path {
1307	my ($self) = @_;	1875	my ($self) = @_;
1308		1876
1309	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1877	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1310	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1878	"$UNIQUEDIR/$path"
1311	}	1879	}
1312		1880
1313	# and all this just because we cannot iterate over	1881	sub decay_objects {
1314	# all maps in C++...
1315	sub change_all_map_light {
1316	my ($change) = @_;	1882	my ($self) = @_;
1317		1883
1318	$_->change_map_light ($change)	1884	return if $self->{deny_reset};
1319	for grep $_->outdoor, values %cf::MAP;	1885
		1886	$self->do_decay_objects;
1320	}	1887	}
1321		1888
1322	sub unlink_save {	1889	sub unlink_save {
1323	my ($self) = @_;	1890	my ($self) = @_;
1324		1891
…		…
1329		1896
1330	sub load_header_from($) {	1897	sub load_header_from($) {
1331	my ($self, $path) = @_;	1898	my ($self, $path) = @_;
1332		1899
1333	utf8::encode $path;	1900	utf8::encode $path;
1334	#aio_open $path, O_RDONLY, 0	1901	my $f = new_from_file cf::object::thawer $path
1335	# or return;
1336
1337	$self->_load_header ($path)
1338	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;
1339		1909
1340	$self->{load_path} = $path;	1910	$self->{load_path} = $path;
1341		1911
1342	1	1912	1
1343	}	1913	}
…		…
1382	$self->load_header_orig	1952	$self->load_header_orig
1383	or return;	1953	or return;
1384	$self->prepare_orig;	1954	$self->prepare_orig;
1385	}	1955	}
1386		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
1387	1	1963	1
1388	}	1964	}
1389		1965
1390	sub find;	1966	sub find;
1391	sub find {	1967	sub find {
1392	my ($path, $origin) = @_;	1968	my ($path, $origin) = @_;
1393		1969
1394	$path = normalise $path, $origin && $origin->path;	1970	$path = normalise $path, $origin && $origin->path;
1395		1971
		1972	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1396	cf::lock_wait "map_find:$path";	1973	my $guard2 = cf::lock_acquire "map_find:$path";
1397		1974
1398	$cf::MAP{$path} || do {	1975	$cf::MAP{$path} || do {
1399	my $guard = cf::lock_acquire "map_find:$path";
1400	my $map = new_from_path cf::map $path	1976	my $map = new_from_path cf::map $path
1401	or return;	1977	or return;
1402		1978
1403	$map->{last_save} = $cf::RUNTIME;	1979	$map->{last_save} = $cf::RUNTIME;
1404		1980
1405	$map->load_header	1981	$map->load_header
1406	or return;	1982	or return;
1407		1983
1408	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1984	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1409	# doing this can freeze the server in a sync job, obviously	1985	# doing this can freeze the server in a sync job, obviously
1410	#$cf::WAIT_FOR_TICK->wait;	1986	#$cf::WAIT_FOR_TICK->wait;
		1987	undef $guard2;
		1988	undef $guard1;
1411	$map->reset;	1989	$map->reset;
1412	undef $guard;
1413	return find $path;	1990	return find $path;
1414	}	1991	}
1415		1992
1416	$cf::MAP{$path} = $map	1993	$cf::MAP{$path} = $map
1417	}	1994	}
…		…
1424	my ($self) = @_;	2001	my ($self) = @_;
1425		2002
1426	local $self->{deny_reset} = 1; # loading can take a long time	2003	local $self->{deny_reset} = 1; # loading can take a long time
1427		2004
1428	my $path = $self->{path};	2005	my $path = $self->{path};
		2006
		2007	{
1429	my $guard = cf::lock_acquire "map_load:$path";	2008	my $guard = cf::lock_acquire "map_data:$path";
1430		2009
		2010	return unless $self->valid;
1431	return if $self->in_memory != cf::MAP_SWAPPED;	2011	return unless $self->in_memory == cf::MAP_SWAPPED;
1432		2012
1433	$self->in_memory (cf::MAP_LOADING);	2013	$self->in_memory (cf::MAP_LOADING);
1434		2014
1435	$self->alloc;	2015	$self->alloc;
1436		2016
1437	$self->pre_load;	2017	$self->pre_load;
		2018	cf::cede_to_tick;
1438		2019
1439	$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)
1440	or return;	2023	or return;
1441		2024
1442	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2025	$self->post_load_original
1443	if delete $self->{load_original};	2026	if delete $self->{load_original};
1444		2027
1445	if (my $uniq = $self->uniq_path) {	2028	if (my $uniq = $self->uniq_path) {
1446	utf8::encode $uniq;	2029	utf8::encode $uniq;
1447	if (aio_open $uniq, O_RDONLY, 0) {	2030	unless (aio_stat $uniq) {
		2031	if (my $f = new_from_file cf::object::thawer $uniq) {
1448	$self->clear_unique_items;	2032	$self->clear_unique_items;
1449	$self->_load_objects ($uniq, 0);	2033	$self->_load_objects ($f);
		2034	$f->resolve_delayed_derefs;
		2035	}
1450	}	2036	}
1451	}	2037	}
1452		2038
1453	Coro::cede;	2039	$f->resolve_delayed_derefs;
1454		2040
		2041	cf::cede_to_tick;
1455	# now do the right thing for maps	2042	# now do the right thing for maps
1456	$self->link_multipart_objects;	2043	$self->link_multipart_objects;
1457
1458	unless ($self->{deny_activate}) {
1459	$self->decay_objects;
1460	$self->fix_auto_apply;
1461	$self->update_buttons;
1462	Coro::cede;
1463	$self->set_darkness_map;
1464	$self->difficulty ($self->estimate_difficulty)	2044	$self->difficulty ($self->estimate_difficulty)
1465	unless $self->difficulty;	2045	unless $self->difficulty;
1466	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;
1467	$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);
1468	}	2060	}
1469		2061
1470	$self->post_load;	2062	$self->post_load;
1471
1472	$self->in_memory (cf::MAP_IN_MEMORY);
1473	}	2063	}
1474		2064
1475	sub customise_for {	2065	sub customise_for {
1476	my ($self, $ob) = @_;	2066	my ($self, $ob) = @_;
1477		2067
1478	return find "~" . $ob->name . "/" . $self->{path}	2068	return find "~" . $ob->name . "/" . $self->{path}
1479	if $self->per_player;	2069	if $self->per_player;
1480		2070
		2071	# return find "?party/" . $ob->name . "/" . $self->{path}
		2072	# if $self->per_party;
		2073
1481	$self	2074	$self
1482	}	2075	}
1483		2076
1484	# 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
1485	sub load_diag {	2078	sub load_neighbours {
1486	my ($map) = @_;	2079	my ($map) = @_;
1487		2080
1488	my @diag; # diagonal neighbours	2081	my @neigh; # diagonal neighbours
1489		2082
1490	for (0 .. 3) {	2083	for (0 .. 3) {
1491	my $neigh = $map->tile_path ($_)	2084	my $neigh = $map->tile_path ($_)
1492	or next;	2085	or next;
1493	$neigh = find $neigh, $map	2086	$neigh = find $neigh, $map
1494	or next;	2087	or next;
1495	$neigh->load;	2088	$neigh->load;
1496		2089
		2090	push @neigh,
1497	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2091	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1498	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2092	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1499	}	2093	}
1500		2094
1501	for (@diag) {	2095	for (grep defined $_->[0], @neigh) {
		2096	my ($path, $origin) = @$_;
1502	my $neigh = find @$_	2097	my $neigh = find $path, $origin
1503	or next;	2098	or next;
1504	$neigh->load;	2099	$neigh->load;
1505	}	2100	}
1506	}	2101	}
1507		2102
…		…
1512	}	2107	}
1513		2108
1514	sub do_load_sync {	2109	sub do_load_sync {
1515	my ($map) = @_;	2110	my ($map) = @_;
1516		2111
		2112	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2113	if $Coro::current == $Coro::main;
		2114
1517	cf::sync_job { $map->load };	2115	cf::sync_job { $map->load };
1518	}	2116	}
1519		2117
1520	our %MAP_PREFETCH;	2118	our %MAP_PREFETCH;
1521	our $MAP_PREFETCHER = undef;	2119	our $MAP_PREFETCHER = undef;
1522		2120
1523	sub find_async {	2121	sub find_async {
1524	my ($path, $origin) = @_;	2122	my ($path, $origin, $load) = @_;
1525		2123
1526	$path = normalise $path, $origin && $origin->{path};	2124	$path = normalise $path, $origin && $origin->{path};
1527		2125
1528	if (my $map = $cf::MAP{$path}) {	2126	if (my $map = $cf::MAP{$path}) {
1529	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2127	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1530	}	2128	}
1531		2129
1532	undef $MAP_PREFETCH{$path};	2130	$MAP_PREFETCH{$path} |= $load;
		2131
1533	$MAP_PREFETCHER ||= cf::async {	2132	$MAP_PREFETCHER ||= cf::async {
		2133	$Coro::current->{desc} = "map prefetcher";
		2134
1534	while (%MAP_PREFETCH) {	2135	while (%MAP_PREFETCH) {
1535	for my $path (keys %MAP_PREFETCH) {	2136	while (my ($k, $v) = each %MAP_PREFETCH) {
1536	my $map = find $path	2137	if (my $map = find $k) {
1537	or next;
1538	$map->load;	2138	$map->load if $v;
		2139	}
1539		2140
1540	delete $MAP_PREFETCH{$path};	2141	delete $MAP_PREFETCH{$k};
1541	}	2142	}
1542	}	2143	}
1543	undef $MAP_PREFETCHER;	2144	undef $MAP_PREFETCHER;
1544	};	2145	};
1545	$MAP_PREFETCHER->prio (6);	2146	$MAP_PREFETCHER->prio (6);
…		…
1548	}	2149	}
1549		2150
1550	sub save {	2151	sub save {
1551	my ($self) = @_;	2152	my ($self) = @_;
1552		2153
1553	my $lock = cf::lock_acquire "map_data:" . $self->path;	2154	my $lock = cf::lock_acquire "map_data:$self->{path}";
1554		2155
1555	$self->{last_save} = $cf::RUNTIME;	2156	$self->{last_save} = $cf::RUNTIME;
1556		2157
1557	return unless $self->dirty;	2158	return unless $self->dirty;
1558		2159
…		…
1564	return if $self->{deny_save};	2165	return if $self->{deny_save};
1565		2166
1566	local $self->{last_access} = $self->last_access;#d#	2167	local $self->{last_access} = $self->last_access;#d#
1567		2168
1568	cf::async {	2169	cf::async {
		2170	$Coro::current->{desc} = "map player save";
1569	$_->contr->save for $self->players;	2171	$_->contr->save for $self->players;
1570	};	2172	};
		2173
		2174	cf::get_slot 0.02;
1571		2175
1572	if ($uniq) {	2176	if ($uniq) {
1573	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2177	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1574	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2178	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1575	} else {	2179	} else {
…		…
1581	my ($self) = @_;	2185	my ($self) = @_;
1582		2186
1583	# save first because save cedes	2187	# save first because save cedes
1584	$self->save;	2188	$self->save;
1585		2189
1586	my $lock = cf::lock_acquire "map_data:" . $self->path;	2190	my $lock = cf::lock_acquire "map_data:$self->{path}";
1587		2191
1588	return if $self->players;	2192	return if $self->players;
1589	return if $self->in_memory != cf::MAP_IN_MEMORY;	2193	return if $self->in_memory != cf::MAP_ACTIVE;
1590	return if $self->{deny_save};	2194	return if $self->{deny_save};
1591		2195
		2196	$self->in_memory (cf::MAP_SWAPPED);
		2197
		2198	$self->deactivate;
		2199	$_->clear_links_to ($self) for values %cf::MAP;
1592	$self->clear;	2200	$self->clear;
1593	$self->in_memory (cf::MAP_SWAPPED);
1594	}	2201	}
1595		2202
1596	sub reset_at {	2203	sub reset_at {
1597	my ($self) = @_;	2204	my ($self) = @_;
1598		2205
1599	# TODO: safety, remove and allow resettable per-player maps	2206	# TODO: safety, remove and allow resettable per-player maps
1600	return 1e99 if $self->isa ("ext::map_per_player");#d#
1601	return 1e99 if $self->{deny_reset};	2207	return 1e99 if $self->{deny_reset};
1602		2208
1603	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2209	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1604	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;
1605		2211
…		…
1616	my ($self) = @_;	2222	my ($self) = @_;
1617		2223
1618	my $lock = cf::lock_acquire "map_data:$self->{path}";	2224	my $lock = cf::lock_acquire "map_data:$self->{path}";
1619		2225
1620	return if $self->players;	2226	return if $self->players;
1621	return if $self->isa ("ext::map_per_player");#d#
1622		2227
1623	warn "resetting map ", $self->path;#d#	2228	warn "resetting map ", $self->path;
1624		2229
1625	$self->in_memory (cf::MAP_SWAPPED);	2230	$self->in_memory (cf::MAP_SWAPPED);
1626		2231
1627	# need to save uniques path	2232	# need to save uniques path
1628	unless ($self->{deny_save}) {	2233	unless ($self->{deny_save}) {
…		…
1632	if $uniq;	2237	if $uniq;
1633	}	2238	}
1634		2239
1635	delete $cf::MAP{$self->path};	2240	delete $cf::MAP{$self->path};
1636		2241
		2242	$self->deactivate;
		2243	$_->clear_links_to ($self) for values %cf::MAP;
1637	$self->clear;	2244	$self->clear;
1638
1639	$_->clear_links_to ($self) for values %cf::MAP;
1640		2245
1641	$self->unlink_save;	2246	$self->unlink_save;
1642	$self->destroy;	2247	$self->destroy;
1643	}	2248	}
1644		2249
1645	my $nuke_counter = "aaaa";	2250	my $nuke_counter = "aaaa";
1646		2251
1647	sub nuke {	2252	sub nuke {
1648	my ($self) = @_;	2253	my ($self) = @_;
1649		2254
		2255	{
		2256	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2257
1650	delete $cf::MAP{$self->path};	2258	delete $cf::MAP{$self->path};
1651		2259
1652	$self->unlink_save;	2260	$self->unlink_save;
1653		2261
1654	bless $self, "cf::map";	2262	bless $self, "cf::map";
1655	delete $self->{deny_reset};	2263	delete $self->{deny_reset};
1656	$self->{deny_save} = 1;	2264	$self->{deny_save} = 1;
1657	$self->reset_timeout (1);	2265	$self->reset_timeout (1);
1658	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2266	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1659		2267
1660	$cf::MAP{$self->path} = $self;	2268	$cf::MAP{$self->path} = $self;
		2269	}
1661		2270
1662	$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	]
1663	}	2308	}
1664		2309
1665	=item cf::map::unique_maps	2310	=item cf::map::unique_maps
1666		2311
1667	Returns an arrayref of paths of all shared maps that have	2312	Returns an arrayref of paths of all shared maps that have
1668	instantiated unique items. May block.	2313	instantiated unique items. May block.
1669		2314
1670	=cut	2315	=cut
1671		2316
1672	sub unique_maps() {	2317	sub unique_maps() {
1673	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2318	[
1674	or return;	2319	map {
1675
1676	my @paths;
1677
1678	for (@$files) {
1679	utf8::decode $_;	2320	utf8::decode $_;
1680	next if /\.pst$/;	2321	s/\.map$//; # TODO future compatibility hack
1681	next unless /^$PATH_SEP/o;	2322	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1682		2323	? ()
1683	push @paths, cf::map::normalise $_;	2324	: normalise $_
		2325	} @{ aio_readdir $UNIQUEDIR or [] }
1684	}	2326	]
1685
1686	\@paths
1687	}	2327	}
1688
1689	package cf;
1690		2328
1691	=back	2329	=back
1692		2330
1693	=head3 cf::object	2331	=head3 cf::object
1694		2332
…		…
1698		2336
1699	=over 4	2337	=over 4
1700		2338
1701	=item $ob->inv_recursive	2339	=item $ob->inv_recursive
1702		2340
1703	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.
1704		2343
1705	=cut	2344	=cut
1706		2345
1707	sub inv_recursive_;	2346	sub inv_recursive_;
1708	sub inv_recursive_ {	2347	sub inv_recursive_ {
…		…
1711		2350
1712	sub inv_recursive {	2351	sub inv_recursive {
1713	inv_recursive_ inv $_[0]	2352	inv_recursive_ inv $_[0]
1714	}	2353	}
1715		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
1716	package cf;	2383	package cf;
1717		2384
1718	=back	2385	=back
1719		2386
1720	=head3 cf::object::player	2387	=head3 cf::object::player
…		…
1726	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>
1727	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
1728	dialogue with the given NPC character.	2395	dialogue with the given NPC character.
1729		2396
1730	=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	};
1731		2412
1732	# rough implementation of a future "reply" method that works	2413	# rough implementation of a future "reply" method that works
1733	# with dialog boxes.	2414	# with dialog boxes.
1734	#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
1735	sub cf::object::player::reply($$$;$) {	2416	sub cf::object::player::reply($$$;$) {
…		…
1737		2418
1738	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2419	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1739		2420
1740	if ($self->{record_replies}) {	2421	if ($self->{record_replies}) {
1741	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2422	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2423
1742	} 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 {
1743	$msg = $npc->name . " says: $msg" if $npc;	2432	$msg = $npc->name . " says: $msg" if $npc;
1744	$self->message ($msg, $flags);	2433	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2434	}
1745	}	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 (@_);
1746	}	2446	}
1747		2447
1748	=item $player_object->may ("access")	2448	=item $player_object->may ("access")
1749		2449
1750	Returns wether the given player is authorized to access resource "access"	2450	Returns wether the given player is authorized to access resource "access"
…		…
1763		2463
1764	=item $player_object->enter_link	2464	=item $player_object->enter_link
1765		2465
1766	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}>).
1767		2467
1768	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.
1769	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.
1770		2472
1771	Will never block.	2473	Will never block.
1772		2474
1773	=item $player_object->leave_link ($map, $x, $y)	2475	=item $player_object->leave_link ($map, $x, $y)
1774		2476
…		…
1797	$self->deactivate_recursive;	2499	$self->deactivate_recursive;
1798		2500
1799	return if UNIVERSAL::isa $self->map, "ext::map_link";	2501	return if UNIVERSAL::isa $self->map, "ext::map_link";
1800		2502
1801	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2503	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1802	if $self->map;	2504	if $self->map && $self->map->{path} ne "{link}";
1803		2505
1804	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2506	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1805	}	2507	}
1806		2508
1807	sub cf::object::player::leave_link {	2509	sub cf::object::player::leave_link {
1808	my ($self, $map, $x, $y) = @_;	2510	my ($self, $map, $x, $y) = @_;
		2511
		2512	return unless $self->contr->active;
1809		2513
1810	my $link_pos = delete $self->{_link_pos};	2514	my $link_pos = delete $self->{_link_pos};
1811		2515
1812	unless ($map) {	2516	unless ($map) {
1813	# restore original map position	2517	# restore original map position
…		…
1827	# use -1 or undef as default coordinates, not 0, 0	2531	# use -1 or undef as default coordinates, not 0, 0
1828	($x, $y) = ($map->enter_x, $map->enter_y)	2532	($x, $y) = ($map->enter_x, $map->enter_y)
1829	if $x <=0 && $y <= 0;	2533	if $x <=0 && $y <= 0;
1830		2534
1831	$map->load;	2535	$map->load;
1832	$map->load_diag;	2536	$map->load_neighbours;
1833		2537
1834	return unless $self->contr->active;	2538	return unless $self->contr->active;
1835	$self->activate_recursive;
1836		2539
1837	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2540	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1838	$self->enter_map ($map, $x, $y);	2541	$self->enter_map ($map, $x, $y);
1839	}
1840		2542
1841	cf::player->attach (	2543	# only activate afterwards, to support waiting in hooks
1842	on_logout => sub {	2544	$self->activate_recursive;
1843	my ($pl) = @_;	2545	}
1844		2546
1845	# abort map switching before logout	2547	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1846	if ($pl->ob->{_link_pos}) {
1847	cf::sync_job {
1848	$pl->ob->leave_link
1849	};
1850	}
1851	},
1852	on_login => sub {
1853	my ($pl) = @_;
1854		2548
1855	# try to abort aborted map switching on player login :)	2549	Moves the player to the given map-path and coordinates by first freezing
1856	# should happen only on crashes	2550	her, loading and preparing them map, calling the provided $check callback
1857	if ($pl->ob->{_link_pos}) {	2551	that has to return the map if sucecssful, and then unfreezes the player on
1858	$pl->ob->enter_link;	2552	the new (success) or old (failed) map position. In either case, $done will
1859	(async {	2553	be called at the end of this process.
1860	$pl->ob->reply (undef,
1861	"There was an internal problem at your last logout, "
1862	. "the server will try to bring you to your intended destination in a second.",
1863	cf::NDI_RED);
1864	# we need this sleep as the login has a concurrent enter_exit running
1865	# and this sleep increases chances of the player not ending up in scorn
1866	Coro::Timer::sleep 1;
1867	$pl->ob->leave_link;
1868	})->prio (2);
1869	}
1870	},
1871	);
1872		2554
1873	=item $player_object->goto ($path, $x, $y)	2555	Note that $check will be called with a potentially non-loaded map, so if
		2556	it needs a loaded map it has to call C<< ->load >>.
1874		2557
1875	=cut	2558	=cut
		2559
		2560	our $GOTOGEN;
1876		2561
1877	sub cf::object::player::goto {	2562	sub cf::object::player::goto {
1878	my ($self, $path, $x, $y) = @_;	2563	my ($self, $path, $x, $y, $check, $done) = @_;
		2564
		2565	# do generation counting so two concurrent goto's will be executed in-order
		2566	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1879		2567
1880	$self->enter_link;	2568	$self->enter_link;
1881		2569
1882	(async {	2570	(async {
		2571	$Coro::current->{desc} = "player::goto $path $x $y";
		2572
		2573	# *tag paths override both path and x|y
		2574	if ($path =~ /^\*(.*)$/) {
		2575	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2576	my $ob = $obs[rand @obs];
		2577
		2578	# see if we actually can go there
		2579	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2580	$ob = $obs[rand @obs];
		2581	} else {
		2582	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2583	}
		2584	# else put us there anyways for now #d#
		2585
		2586	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2587	} else {
		2588	($path, $x, $y) = (undef, undef, undef);
		2589	}
		2590	}
		2591
1883	my $map = eval {	2592	my $map = eval {
1884	my $map = cf::map::find $path;	2593	my $map = defined $path ? cf::map::find $path : undef;
		2594
		2595	if ($map) {
1885	$map = $map->customise_for ($self) if $map;	2596	$map = $map->customise_for ($self);
		2597	$map = $check->($map) if $check && $map;
		2598	} else {
		2599	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2600	}
		2601
1886	$map	2602	$map
		2603	};
		2604
		2605	if ($@) {
		2606	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2607	LOG llevError | logBacktrace, Carp::longmess $@;
1887	} or	2608	}
1888	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1889		2609
		2610	if ($gen == $self->{_goto_generation}) {
		2611	delete $self->{_goto_generation};
1890	$self->leave_link ($map, $x, $y);	2612	$self->leave_link ($map, $x, $y);
		2613	}
		2614
		2615	$done->() if $done;
1891	})->prio (1);	2616	})->prio (1);
1892	}	2617	}
1893		2618
1894	=item $player_object->enter_exit ($exit_object)	2619	=item $player_object->enter_exit ($exit_object)
1895		2620
…		…
1915	}	2640	}
1916		2641
1917	sub prepare_random_map {	2642	sub prepare_random_map {
1918	my ($exit) = @_;	2643	my ($exit) = @_;
1919		2644
1920	my $guard = cf::lock_acquire "exit_prepare:$exit";
1921
1922	# all this does is basically replace the /! path by	2645	# all this does is basically replace the /! path by
1923	# a new random map path (?random/...) with a seed	2646	# a new random map path (?random/...) with a seed
1924	# that depends on the exit object	2647	# that depends on the exit object
1925		2648
1926	my $rmp = parse_random_map_params $exit->msg;	2649	my $rmp = parse_random_map_params $exit->msg;
…		…
1928	if ($exit->map) {	2651	if ($exit->map) {
1929	$rmp->{region} = $exit->region->name;	2652	$rmp->{region} = $exit->region->name;
1930	$rmp->{origin_map} = $exit->map->path;	2653	$rmp->{origin_map} = $exit->map->path;
1931	$rmp->{origin_x} = $exit->x;	2654	$rmp->{origin_x} = $exit->x;
1932	$rmp->{origin_y} = $exit->y;	2655	$rmp->{origin_y} = $exit->y;
		2656
		2657	$exit->map->touch;
1933	}	2658	}
1934		2659
1935	$rmp->{random_seed} ||= $exit->random_seed;	2660	$rmp->{random_seed} ||= $exit->random_seed;
1936		2661
1937	my $data = cf::to_json $rmp;	2662	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1938	my $md5 = Digest::MD5::md5_hex $data;	2663	my $md5 = Digest::MD5::md5_hex $data;
1939	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2664	my $meta = "$RANDOMDIR/$md5.meta";
1940		2665
1941	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2666	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1942	aio_write $fh, 0, (length $data), $data, 0;	2667	aio_write $fh, 0, (length $data), $data, 0;
1943	undef $fh;	2668	undef $fh;
1944	aio_rename "$meta~", $meta;	2669	aio_rename "$meta~", $meta;
1945		2670
		2671	my $slaying = "?random/$md5";
		2672
		2673	if ($exit->valid) {
1946	$exit->slaying ("?random/$md5");	2674	$exit->slaying ("?random/$md5");
1947	$exit->msg (undef);	2675	$exit->msg (undef);
		2676	}
1948	}	2677	}
1949	}	2678	}
1950		2679
1951	sub cf::object::player::enter_exit {	2680	sub cf::object::player::enter_exit {
1952	my ($self, $exit) = @_;	2681	my ($self, $exit) = @_;
1953		2682
1954	return unless $self->type == cf::PLAYER;	2683	return unless $self->type == cf::PLAYER;
1955		2684
1956	if ($exit->slaying eq "/!") {
1957	#TODO: this should de-fi-ni-te-ly not be a sync-job
1958	cf::sync_job { prepare_random_map $exit };
1959	}
1960
1961	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1962	my $hp = $exit->stats->hp;
1963	my $sp = $exit->stats->sp;
1964
1965	$self->enter_link;	2685	$self->enter_link;
1966		2686
1967	(async {	2687	(async {
1968	$self->deactivate_recursive; # just to be sure	2688	$Coro::current->{desc} = "enter_exit";
		2689
1969	unless (eval {	2690	unless (eval {
		2691	$self->deactivate_recursive; # just to be sure
		2692
		2693	# random map handling
		2694	{
		2695	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2696
		2697	prepare_random_map $exit
		2698	if $exit->slaying eq "/!";
		2699	}
		2700
		2701	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2702	my $x = $exit->stats->hp;
		2703	my $y = $exit->stats->sp;
		2704
1970	$self->goto ($slaying, $hp, $sp);	2705	$self->goto ($map, $x, $y);
1971		2706
		2707	# if exit is damned, update players death & WoR home-position
		2708	$self->contr->savebed ($map, $x, $y)
		2709	if $exit->flag (cf::FLAG_DAMNED);
		2710
1972	1;	2711	1
1973	}) {	2712	}) {
1974	$self->message ("Something went wrong deep within the crossfire server. "	2713	$self->message ("Something went wrong deep within the deliantra server. "
1975	. "I'll try to bring you back to the map you were before. "	2714	. "I'll try to bring you back to the map you were before. "
1976	. "Please report this to the dungeon master!",	2715	. "Please report this to the dungeon master!",
1977	cf::NDI_UNIQUE | cf::NDI_RED);	2716	cf::NDI_UNIQUE | cf::NDI_RED);
1978		2717
1979	warn "ERROR in enter_exit: $@";	2718	warn "ERROR in enter_exit: $@";
1980	$self->leave_link;	2719	$self->leave_link;
1981	}	2720	}
1982	})->prio (1);	2721	})->prio (1);
…		…
1998		2737
1999	utf8::encode $text;	2738	utf8::encode $text;
2000	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2739	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2001	}	2740	}
2002		2741
		2742	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2743
		2744	Send a drawinfo or msg packet to the client, formatting the msg for the
		2745	client if neccessary. C<$type> should be a string identifying the type of
		2746	the message, with C<log> being the default. If C<$color> is negative, suppress
		2747	the message unless the client supports the msg packet.
		2748
		2749	=cut
		2750
		2751	# non-persistent channels (usually the info channel)
		2752	our %CHANNEL = (
		2753	"c/identify" => {
		2754	id => "infobox",
		2755	title => "Identify",
		2756	reply => undef,
		2757	tooltip => "Items recently identified",
		2758	},
		2759	"c/examine" => {
		2760	id => "infobox",
		2761	title => "Examine",
		2762	reply => undef,
		2763	tooltip => "Signs and other items you examined",
		2764	},
		2765	"c/book" => {
		2766	id => "infobox",
		2767	title => "Book",
		2768	reply => undef,
		2769	tooltip => "The contents of a note or book",
		2770	},
		2771	"c/lookat" => {
		2772	id => "infobox",
		2773	title => "Look",
		2774	reply => undef,
		2775	tooltip => "What you saw there",
		2776	},
		2777	"c/who" => {
		2778	id => "infobox",
		2779	title => "Players",
		2780	reply => undef,
		2781	tooltip => "Shows players who are currently online",
		2782	},
		2783	"c/body" => {
		2784	id => "infobox",
		2785	title => "Body Parts",
		2786	reply => undef,
		2787	tooltip => "Shows which body parts you posess and are available",
		2788	},
		2789	"c/statistics" => {
		2790	id => "infobox",
		2791	title => "Statistics",
		2792	reply => undef,
		2793	tooltip => "Shows your primary statistics",
		2794	},
		2795	"c/skills" => {
		2796	id => "infobox",
		2797	title => "Skills",
		2798	reply => undef,
		2799	tooltip => "Shows your experience per skill and item power",
		2800	},
		2801	"c/shopitems" => {
		2802	id => "infobox",
		2803	title => "Shop Items",
		2804	reply => undef,
		2805	tooltip => "Shows the items currently for sale in this shop",
		2806	},
		2807	"c/resistances" => {
		2808	id => "infobox",
		2809	title => "Resistances",
		2810	reply => undef,
		2811	tooltip => "Shows your resistances",
		2812	},
		2813	"c/pets" => {
		2814	id => "infobox",
		2815	title => "Pets",
		2816	reply => undef,
		2817	tooltip => "Shows information abotu your pets/a specific pet",
		2818	},
		2819	"c/perceiveself" => {
		2820	id => "infobox",
		2821	title => "Perceive Self",
		2822	reply => undef,
		2823	tooltip => "You gained detailed knowledge about yourself",
		2824	},
		2825	"c/uptime" => {
		2826	id => "infobox",
		2827	title => "Uptime",
		2828	reply => undef,
		2829	tooltip => "How long the server has been running since last restart",
		2830	},
		2831	"c/mapinfo" => {
		2832	id => "infobox",
		2833	title => "Map Info",
		2834	reply => undef,
		2835	tooltip => "Information related to the maps",
		2836	},
		2837	"c/party" => {
		2838	id => "party",
		2839	title => "Party",
		2840	reply => "gsay ",
		2841	tooltip => "Messages and chat related to your party",
		2842	},
		2843	"c/death" => {
		2844	id => "death",
		2845	title => "Death",
		2846	reply => undef,
		2847	tooltip => "Reason for and more info about your most recent death",
		2848	},
		2849	"c/say" => $SAY_CHANNEL,
		2850	"c/chat" => $CHAT_CHANNEL,
		2851	);
		2852
		2853	sub cf::client::send_msg {
		2854	my ($self, $channel, $msg, $color, @extra) = @_;
		2855
		2856	$msg = $self->pl->expand_cfpod ($msg)
		2857	unless $color & cf::NDI_VERBATIM;
		2858
		2859	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2860
		2861	# check predefined channels, for the benefit of C
		2862	if ($CHANNEL{$channel}) {
		2863	$channel = $CHANNEL{$channel};
		2864
		2865	$self->ext_msg (channel_info => $channel);
		2866	$channel = $channel->{id};
		2867
		2868	} elsif (ref $channel) {
		2869	# send meta info to client, if not yet sent
		2870	unless (exists $self->{channel}{$channel->{id}}) {
		2871	$self->{channel}{$channel->{id}} = $channel;
		2872	$self->ext_msg (channel_info => $channel);
		2873	}
		2874
		2875	$channel = $channel->{id};
		2876	}
		2877
		2878	return unless @extra || length $msg;
		2879
		2880	# default colour, mask it out
		2881	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2882	if $color & cf::NDI_DEF;
		2883
		2884	my $pkt = "msg "
		2885	. $self->{json_coder}->encode (
		2886	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2887	);
		2888
		2889	# try lzf for large packets
		2890	$pkt = "lzf " . Compress::LZF::compress $pkt
		2891	if 1024 <= length $pkt and $self->{can_lzf};
		2892
		2893	# split very large packets
		2894	if (8192 < length $pkt and $self->{can_lzf}) {
		2895	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2896	$pkt = "frag";
		2897	}
		2898
		2899	$self->send_packet ($pkt);
		2900	}
		2901
		2902	=item $client->ext_msg ($type, @msg)
		2903
		2904	Sends an ext event to the client.
		2905
		2906	=cut
		2907
		2908	sub cf::client::ext_msg($$@) {
		2909	my ($self, $type, @msg) = @_;
		2910
		2911	if ($self->extcmd == 2) {
		2912	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2913	} elsif ($self->extcmd == 1) { # TODO: remove
		2914	push @msg, msgtype => "event_$type";
		2915	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2916	}
		2917	}
		2918
		2919	=item $client->ext_reply ($msgid, @msg)
		2920
		2921	Sends an ext reply to the client.
		2922
		2923	=cut
		2924
		2925	sub cf::client::ext_reply($$@) {
		2926	my ($self, $id, @msg) = @_;
		2927
		2928	if ($self->extcmd == 2) {
		2929	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2930	} elsif ($self->extcmd == 1) {
		2931	#TODO: version 1, remove
		2932	unshift @msg, msgtype => "reply", msgid => $id;
		2933	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2934	}
		2935	}
2003		2936
2004	=item $success = $client->query ($flags, "text", \&cb)	2937	=item $success = $client->query ($flags, "text", \&cb)
2005		2938
2006	Queues a query to the client, calling the given callback with	2939	Queues a query to the client, calling the given callback with
2007	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2940	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2008	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2941	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2009		2942
2010	Queries can fail, so check the return code. Or don't, as queries will become	2943	Queries can fail, so check the return code. Or don't, as queries will
2011	reliable at some point in the future.	2944	become reliable at some point in the future.
2012		2945
2013	=cut	2946	=cut
2014		2947
2015	sub cf::client::query {	2948	sub cf::client::query {
2016	my ($self, $flags, $text, $cb) = @_;	2949	my ($self, $flags, $text, $cb) = @_;
…		…
2024	utf8::encode $text;	2957	utf8::encode $text;
2025	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2958	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2026		2959
2027	$self->send_packet ($self->{query_queue}[0][0])	2960	$self->send_packet ($self->{query_queue}[0][0])
2028	if @{ $self->{query_queue} } == 1;	2961	if @{ $self->{query_queue} } == 1;
		2962
		2963	1
2029	}	2964	}
2030		2965
2031	cf::client->attach (	2966	cf::client->attach (
		2967	on_connect => sub {
		2968	my ($ns) = @_;
		2969
		2970	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2971	},
2032	on_reply => sub {	2972	on_reply => sub {
2033	my ($ns, $msg) = @_;	2973	my ($ns, $msg) = @_;
2034		2974
2035	# this weird shuffling is so that direct followup queries	2975	# this weird shuffling is so that direct followup queries
2036	# get handled first	2976	# get handled first
…		…
2048	} else {	2988	} else {
2049	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2989	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2050	}	2990	}
2051	}	2991	}
2052	},	2992	},
		2993	on_exticmd => sub {
		2994	my ($ns, $buf) = @_;
		2995
		2996	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2997
		2998	if (ref $msg) {
		2999	my ($type, $reply, @payload) =
		3000	"ARRAY" eq ref $msg
		3001	? @$msg
		3002	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3003
		3004	my @reply;
		3005
		3006	if (my $cb = $EXTICMD{$type}) {
		3007	@reply = $cb->($ns, @payload);
		3008	}
		3009
		3010	$ns->ext_reply ($reply, @reply)
		3011	if $reply;
		3012
		3013	} else {
		3014	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3015	}
		3016
		3017	cf::override;
		3018	},
2053	);	3019	);
2054		3020
2055	=item $client->async (\&cb)	3021	=item $client->async (\&cb)
2056		3022
2057	Create a new coroutine, running the specified callback. The coroutine will	3023	Create a new coroutine, running the specified callback. The coroutine will
…		…
2098	our $safe = new Safe "safe";	3064	our $safe = new Safe "safe";
2099	our $safe_hole = new Safe::Hole;	3065	our $safe_hole = new Safe::Hole;
2100		3066
2101	$SIG{FPE} = 'IGNORE';	3067	$SIG{FPE} = 'IGNORE';
2102		3068
2103	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3069	$safe->permit_only (Opcode::opset qw(
		3070	:base_core :base_mem :base_orig :base_math
		3071	grepstart grepwhile mapstart mapwhile
		3072	sort time
		3073	));
2104		3074
2105	# here we export the classes and methods available to script code	3075	# here we export the classes and methods available to script code
2106		3076
2107	=pod	3077	=pod
2108		3078
2109	The following fucntions and emthods are available within a safe environment:	3079	The following functions and methods are available within a safe environment:
2110		3080
2111	cf::object contr pay_amount pay_player map	3081	cf::object
		3082	contr pay_amount pay_player map x y force_find force_add destroy
		3083	insert remove name archname title slaying race decrease split
		3084	value
		3085
2112	cf::object::player player	3086	cf::object::player
2113	cf::player peaceful	3087	player
2114	cf::map trigger	3088
		3089	cf::player
		3090	peaceful
		3091
		3092	cf::map
		3093	trigger
2115		3094
2116	=cut	3095	=cut
2117		3096
2118	for (	3097	for (
2119	["cf::object" => qw(contr pay_amount pay_player map)],	3098	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3099	insert remove inv nrof name archname title slaying race
		3100	decrease split destroy change_exp value msg lore send_msg)],
2120	["cf::object::player" => qw(player)],	3101	["cf::object::player" => qw(player)],
2121	["cf::player" => qw(peaceful)],	3102	["cf::player" => qw(peaceful send_msg)],
2122	["cf::map" => qw(trigger)],	3103	["cf::map" => qw(trigger)],
2123	) {	3104	) {
2124	no strict 'refs';	3105	no strict 'refs';
2125	my ($pkg, @funs) = @$_;	3106	my ($pkg, @funs) = @$_;
2126	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3107	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2143	my ($code, %vars) = @_;	3124	my ($code, %vars) = @_;
2144		3125
2145	my $qcode = $code;	3126	my $qcode = $code;
2146	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3127	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2147	$qcode =~ s/\n/\\n/g;	3128	$qcode =~ s/\n/\\n/g;
		3129
		3130	%vars = (_dummy => 0) unless %vars;
2148		3131
2149	local $_;	3132	local $_;
2150	local @safe::cf::_safe_eval_args = values %vars;	3133	local @safe::cf::_safe_eval_args = values %vars;
2151		3134
2152	my $eval =	3135	my $eval =
…		…
2195	=back	3178	=back
2196		3179
2197	=cut	3180	=cut
2198		3181
2199	#############################################################################	3182	#############################################################################
2200
2201	=head2 EXTENSION DATABASE SUPPORT
2202
2203	Crossfire maintains a very simple database for extension use. It can
2204	currently store anything that can be serialised using Storable, which
2205	excludes objects.
2206
2207	The parameter C<$family> should best start with the name of the extension
2208	using it, it should be unique.
2209
2210	=over 4
2211
2212	=item $value = cf::db_get $family => $key
2213
2214	Returns a single value from the database.
2215
2216	=item cf::db_put $family => $key => $value
2217
2218	Stores the given C<$value> in the family.
2219
2220	=cut
2221
2222	our $DB;
2223
2224	sub db_init {
2225	unless ($DB) {
2226	$DB = BDB::db_create $DB_ENV;
2227
2228	cf::sync_job {
2229	eval {
2230	$DB->set_flags (BDB::CHKSUM);
2231
2232	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2233	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2234	cf::cleanup "db_open(db): $!" if $!;
2235	};
2236	cf::cleanup "db_open(db): $@" if $@;
2237	};
2238
2239	my $path = cf::localdir . "/database.pst";
2240	if (stat $path) {
2241	cf::sync_job {
2242	my $pst = Storable::retrieve $path;
2243
2244	cf::db_put (board => data => $pst->{board});
2245	cf::db_put (guildrules => data => $pst->{guildrules});
2246	cf::db_put (rent => balance => $pst->{rent}{balance});
2247	BDB::db_env_txn_checkpoint $DB_ENV;
2248
2249	unlink $path;
2250	};
2251	}
2252	}
2253	}
2254
2255	sub db_get($$) {
2256	my $key = "$_[0]/$_[1]";
2257
2258	cf::sync_job {
2259	BDB::db_get $DB, undef, $key, my $data;
2260
2261	$! ? ()
2262	: Compress::LZF::sthaw $data
2263	}
2264	}
2265
2266	sub db_put($$$) {
2267	BDB::dbreq_pri 4;
2268	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2269	}
2270
2271	#############################################################################
2272	# the server's init and main functions	3183	# the server's init and main functions
2273		3184
2274	sub load_faces {	3185	sub load_facedata($) {
2275	my $path = sprintf "%s/faces", cf::datadir;	3186	my ($path) = @_;
2276		3187
		3188	# HACK to clear player env face cache, we need some signal framework
		3189	# for this (global event?)
		3190	%ext::player_env::MUSIC_FACE_CACHE = ();
		3191
		3192	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3193
2277	warn "loading faces from $path\n";	3194	warn "loading facedata from $path\n";
2278		3195
2279	my $faces;	3196	my $facedata;
2280	0 < aio_load $path, $faces	3197	0 < aio_load $path, $facedata
2281	or die "$path: $!";	3198	or die "$path: $!";
2282		3199
2283	Coro::cede;
2284	$faces = Storable::thaw $faces;	3200	$facedata = Coro::Storable::thaw $facedata;
2285	Coro::cede;
2286		3201
		3202	$facedata->{version} == 2
		3203	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3204
		3205	# patch in the exptable
		3206	$facedata->{resource}{"res/exp_table"} = {
		3207	type => FT_RSRC,
		3208	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3209	};
		3210	cf::cede_to_tick;
		3211
		3212	{
		3213	my $faces = $facedata->{faceinfo};
		3214
2287	while (my ($face, $info) = each %$faces) {	3215	while (my ($face, $info) = each %$faces) {
2288	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3216	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2289	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3217
		3218	cf::face::set_visibility $idx, $info->{visibility};
		3219	cf::face::set_magicmap $idx, $info->{magicmap};
2290	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3220	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2291	Coro::cede;	3221	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2292	}
2293		3222
		3223	cf::cede_to_tick;
		3224	}
		3225
2294	while (my ($face, $info) = each %$faces) {	3226	while (my ($face, $info) = each %$faces) {
2295	next unless $info->{smooth};	3227	next unless $info->{smooth};
		3228
2296	my $idx = cf::face::find $face	3229	my $idx = cf::face::find $face
2297	or next;	3230	or next;
		3231
2298	if (my $smooth = cf::face::find $info->{smooth}) {	3232	if (my $smooth = cf::face::find $info->{smooth}) {
2299	cf::face::set_smooth $idx, $smooth;	3233	cf::face::set_smooth $idx, $smooth;
2300	warn "smooth $idx,$smooth ($face,$info->{smooth})\n";#d#	3234	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2301	} else {	3235	} else {
2302	warn "smooth face '$info->{smooth}' not found for face '$face'";	3236	warn "smooth face '$info->{smooth}' not found for face '$face'";
2303	}	3237	}
2304	Coro::cede;	3238
		3239	cf::cede_to_tick;
		3240	}
		3241	}
		3242
2305	}	3243	{
		3244	my $anims = $facedata->{animinfo};
		3245
		3246	while (my ($anim, $info) = each %$anims) {
		3247	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3248	cf::cede_to_tick;
		3249	}
		3250
		3251	cf::anim::invalidate_all; # d'oh
		3252	}
		3253
		3254	{
		3255	# TODO: for gcfclient pleasure, we should give resources
		3256	# that gcfclient doesn't grok a >10000 face index.
		3257	my $res = $facedata->{resource};
		3258
		3259	while (my ($name, $info) = each %$res) {
		3260	if (defined $info->{type}) {
		3261	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3262	my $data;
		3263
		3264	if ($info->{type} & 1) {
		3265	# prepend meta info
		3266
		3267	my $meta = $enc->encode ({
		3268	name => $name,
		3269	%{ $info->{meta} || {} },
		3270	});
		3271
		3272	$data = pack "(w/a*)*", $meta, $info->{data};
		3273	} else {
		3274	$data = $info->{data};
		3275	}
		3276
		3277	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3278	cf::face::set_type $idx, $info->{type};
		3279	} else {
		3280	$RESOURCE{$name} = $info;
		3281	}
		3282
		3283	cf::cede_to_tick;
		3284	}
		3285	}
		3286
		3287	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2306		3288
2307	1	3289	1
2308	}	3290	}
2309		3291
		3292	cf::global->attach (on_resource_update => sub {
		3293	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3294	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3295
		3296	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3297	my $sound = $soundconf->{compat}[$_]
		3298	or next;
		3299
		3300	my $face = cf::face::find "sound/$sound->[1]";
		3301	cf::sound::set $sound->[0] => $face;
		3302	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3303	}
		3304
		3305	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3306	my $face = cf::face::find "sound/$v";
		3307	cf::sound::set $k => $face;
		3308	}
		3309	}
		3310	});
		3311
		3312	register_exticmd fx_want => sub {
		3313	my ($ns, $want) = @_;
		3314
		3315	while (my ($k, $v) = each %$want) {
		3316	$ns->fx_want ($k, $v);
		3317	}
		3318	};
		3319
		3320	sub load_resource_file($) {
		3321	my $guard = lock_acquire "load_resource_file";
		3322
		3323	my $status = load_resource_file_ $_[0];
		3324	get_slot 0.1, 100;
		3325	cf::arch::commit_load;
		3326
		3327	$status
		3328	}
		3329
		3330	sub reload_regions {
		3331	# HACK to clear player env face cache, we need some signal framework
		3332	# for this (global event?)
		3333	%ext::player_env::MUSIC_FACE_CACHE = ();
		3334
		3335	load_resource_file "$MAPDIR/regions"
		3336	or die "unable to load regions file\n";
		3337
		3338	for (cf::region::list) {
		3339	$_->{match} = qr/$_->{match}/
		3340	if exists $_->{match};
		3341	}
		3342	}
		3343
		3344	sub reload_facedata {
		3345	load_facedata "$DATADIR/facedata"
		3346	or die "unable to load facedata\n";
		3347	}
		3348
		3349	sub reload_archetypes {
		3350	load_resource_file "$DATADIR/archetypes"
		3351	or die "unable to load archetypes\n";
		3352	}
		3353
		3354	sub reload_treasures {
		3355	load_resource_file "$DATADIR/treasures"
		3356	or die "unable to load treasurelists\n";
		3357	}
		3358
2310	sub reload_resources {	3359	sub reload_resources {
2311	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3360	warn "reloading resource files...\n";
2312	or die "unable to load regions file\n";#d#	3361
2313	load_faces	3362	reload_facedata;
2314	or die "unable to load faces\n";#d#	3363	reload_archetypes;
2315	}
2316
2317	sub init {
2318	reload_resources;	3364	reload_regions;
2319	}	3365	reload_treasures;
2320		3366
2321	sub cfg_load {	3367	warn "finished reloading resource files\n";
		3368	}
		3369
		3370	sub reload_config {
2322	open my $fh, "<:utf8", cf::confdir . "/config"	3371	open my $fh, "<:utf8", "$CONFDIR/config"
2323	or return;	3372	or return;
2324		3373
2325	local $/;	3374	local $/;
2326	*CFG = YAML::Syck::Load <$fh>;	3375	*CFG = YAML::Load <$fh>;
2327		3376
2328	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3377	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2329		3378
2330	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3379	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2331	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3380	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2337	};	3386	};
2338	warn $@ if $@;	3387	warn $@ if $@;
2339	}	3388	}
2340	}	3389	}
2341		3390
		3391	sub pidfile() {
		3392	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3393	or die "$PIDFILE: $!";
		3394	flock $fh, &Fcntl::LOCK_EX
		3395	or die "$PIDFILE: flock: $!";
		3396	$fh
		3397	}
		3398
		3399	# make sure only one server instance is running at any one time
		3400	sub atomic {
		3401	my $fh = pidfile;
		3402
		3403	my $pid = <$fh>;
		3404	kill 9, $pid if $pid > 0;
		3405
		3406	seek $fh, 0, 0;
		3407	print $fh $$;
		3408	}
		3409
		3410	sub main_loop {
		3411	warn "EV::loop starting\n";
		3412	if (1) {
		3413	EV::loop;
		3414	}
		3415	warn "EV::loop returned\n";
		3416	goto &main_loop unless $REALLY_UNLOOP;
		3417	}
		3418
2342	sub main {	3419	sub main {
		3420	cf::init_globals; # initialise logging
		3421
		3422	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3423	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3424	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3425	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3426
		3427	cf::init_experience;
		3428	cf::init_anim;
		3429	cf::init_attackmess;
		3430	cf::init_dynamic;
		3431
		3432	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3433
2343	# we must not ever block the main coroutine	3434	# we must not ever block the main coroutine
2344	local $Coro::idle = sub {	3435	local $Coro::idle = sub {
2345	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3436	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2346	(async {	3437	(async {
2347	Event::one_event;	3438	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3439	EV::loop EV::LOOP_ONESHOT;
2348	})->prio (Coro::PRIO_MAX);	3440	})->prio (Coro::PRIO_MAX);
2349	};	3441	};
2350		3442
2351	cfg_load;	3443	evthread_start IO::AIO::poll_fileno;
		3444
		3445	cf::sync_job {
		3446	reload_resources;
		3447	reload_config;
2352	db_init;	3448	db_init;
		3449
		3450	cf::load_settings;
		3451	cf::load_materials;
		3452	cf::init_uuid;
		3453	cf::init_signals;
		3454	cf::init_commands;
		3455	cf::init_skills;
		3456
		3457	cf::init_beforeplay;
		3458
		3459	atomic;
		3460
2353	load_extensions;	3461	load_extensions;
2354		3462
2355	$TICK_WATCHER->start;	3463	utime time, time, $RUNTIMEFILE;
2356	Event::loop;	3464
		3465	# no (long-running) fork's whatsoever before this point(!)
		3466	use POSIX ();
		3467	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3468
		3469	(pop @POST_INIT)->(0) while @POST_INIT;
		3470	};
		3471
		3472	main_loop;
2357	}	3473	}
2358		3474
2359	#############################################################################	3475	#############################################################################
2360	# initialisation and cleanup	3476	# initialisation and cleanup
2361		3477
2362	# install some emergency cleanup handlers	3478	# install some emergency cleanup handlers
2363	BEGIN {	3479	BEGIN {
		3480	our %SIGWATCHER = ();
2364	for my $signal (qw(INT HUP TERM)) {	3481	for my $signal (qw(INT HUP TERM)) {
2365	Event->signal (	3482	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2366	reentrant => 0,
2367	data => WF_AUTOCANCEL,
2368	signal => $signal,
2369	prio => 0,
2370	cb => sub {
2371	cf::cleanup "SIG$signal";	3483	cf::cleanup "SIG$signal";
2372	},
2373	);	3484	};
		3485	}
		3486	}
		3487
		3488	sub write_runtime_sync {
		3489	# first touch the runtime file to show we are still running:
		3490	# the fsync below can take a very very long time.
		3491
		3492	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3493
		3494	my $guard = cf::lock_acquire "write_runtime";
		3495
		3496	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3497	or return;
		3498
		3499	my $value = $cf::RUNTIME + 90 + 10;
		3500	# 10 is the runtime save interval, for a monotonic clock
		3501	# 60 allows for the watchdog to kill the server.
		3502
		3503	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3504	and return;
		3505
		3506	# always fsync - this file is important
		3507	aio_fsync $fh
		3508	and return;
		3509
		3510	# touch it again to show we are up-to-date
		3511	aio_utime $fh, undef, undef;
		3512
		3513	close $fh
		3514	or return;
		3515
		3516	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3517	and return;
		3518
		3519	warn "runtime file written.\n";
		3520
2374	}	3521	1
		3522	}
		3523
		3524	our $uuid_lock;
		3525	our $uuid_skip;
		3526
		3527	sub write_uuid_sync($) {
		3528	$uuid_skip ||= $_[0];
		3529
		3530	return if $uuid_lock;
		3531	local $uuid_lock = 1;
		3532
		3533	my $uuid = "$LOCALDIR/uuid";
		3534
		3535	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3536	or return;
		3537
		3538	my $value = uuid_seq uuid_cur;
		3539
		3540	unless ($value) {
		3541	warn "cowardly refusing to write zero uuid value!\n";
		3542	return;
		3543	}
		3544
		3545	my $value = uuid_str $value + $uuid_skip;
		3546	$uuid_skip = 0;
		3547
		3548	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3549	and return;
		3550
		3551	# always fsync - this file is important
		3552	aio_fsync $fh
		3553	and return;
		3554
		3555	close $fh
		3556	or return;
		3557
		3558	aio_rename "$uuid~", $uuid
		3559	and return;
		3560
		3561	warn "uuid file written ($value).\n";
		3562
		3563	1
		3564
		3565	}
		3566
		3567	sub write_uuid($$) {
		3568	my ($skip, $sync) = @_;
		3569
		3570	$sync ? write_uuid_sync $skip
		3571	: async { write_uuid_sync $skip };
2375	}	3572	}
2376		3573
2377	sub emergency_save() {	3574	sub emergency_save() {
2378	my $freeze_guard = cf::freeze_mainloop;	3575	my $freeze_guard = cf::freeze_mainloop;
2379		3576
2380	warn "enter emergency perl save\n";	3577	warn "emergency_perl_save: enter\n";
2381		3578
2382	cf::sync_job {	3579	cf::sync_job {
		3580	# this is a trade-off: we want to be very quick here, so
		3581	# save all maps without fsync, and later call a global sync
		3582	# (which in turn might be very very slow)
		3583	local $USE_FSYNC = 0;
		3584
2383	# use a peculiar iteration method to avoid tripping on perl	3585	# use a peculiar iteration method to avoid tripping on perl
2384	# refcount bugs in for. also avoids problems with players	3586	# refcount bugs in for. also avoids problems with players
2385	# and maps saved/destroyed asynchronously.	3587	# and maps saved/destroyed asynchronously.
2386	warn "begin emergency player save\n";	3588	warn "emergency_perl_save: begin player save\n";
2387	for my $login (keys %cf::PLAYER) {	3589	for my $login (keys %cf::PLAYER) {
2388	my $pl = $cf::PLAYER{$login} or next;	3590	my $pl = $cf::PLAYER{$login} or next;
2389	$pl->valid or next;	3591	$pl->valid or next;
		3592	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2390	$pl->save;	3593	$pl->save;
2391	}	3594	}
2392	warn "end emergency player save\n";	3595	warn "emergency_perl_save: end player save\n";
2393		3596
2394	warn "begin emergency map save\n";	3597	warn "emergency_perl_save: begin map save\n";
2395	for my $path (keys %cf::MAP) {	3598	for my $path (keys %cf::MAP) {
2396	my $map = $cf::MAP{$path} or next;	3599	my $map = $cf::MAP{$path} or next;
2397	$map->valid or next;	3600	$map->valid or next;
2398	$map->save;	3601	$map->save;
2399	}	3602	}
2400	warn "end emergency map save\n";	3603	warn "emergency_perl_save: end map save\n";
2401		3604
2402	warn "begin emergency database checkpoint\n";	3605	warn "emergency_perl_save: begin database checkpoint\n";
2403	BDB::db_env_txn_checkpoint $DB_ENV;	3606	BDB::db_env_txn_checkpoint $DB_ENV;
2404	warn "end emergency database checkpoint\n";	3607	warn "emergency_perl_save: end database checkpoint\n";
		3608
		3609	warn "emergency_perl_save: begin write uuid\n";
		3610	write_uuid_sync 1;
		3611	warn "emergency_perl_save: end write uuid\n";
2405	};	3612	};
2406		3613
		3614	warn "emergency_perl_save: starting sync()\n";
		3615	IO::AIO::aio_sync sub {
		3616	warn "emergency_perl_save: finished sync()\n";
		3617	};
		3618
2407	warn "leave emergency perl save\n";	3619	warn "emergency_perl_save: leave\n";
2408	}	3620	}
2409		3621
2410	sub post_cleanup {	3622	sub post_cleanup {
2411	my ($make_core) = @_;	3623	my ($make_core) = @_;
2412		3624
2413	warn Carp::longmess "post_cleanup backtrace"	3625	warn Carp::longmess "post_cleanup backtrace"
2414	if $make_core;	3626	if $make_core;
2415	}
2416		3627
		3628	my $fh = pidfile;
		3629	unlink $PIDFILE if <$fh> == $$;
		3630	}
		3631
		3632	# a safer delete_package, copied from Symbol
		3633	sub clear_package($) {
		3634	my $pkg = shift;
		3635
		3636	# expand to full symbol table name if needed
		3637	unless ($pkg =~ /^main::.*::$/) {
		3638	$pkg = "main$pkg" if $pkg =~ /^::/;
		3639	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3640	$pkg .= '::' unless $pkg =~ /::$/;
		3641	}
		3642
		3643	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3644	my $stem_symtab = *{$stem}{HASH};
		3645
		3646	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3647	or return;
		3648
		3649	# clear all symbols
		3650	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3651	for my $name (keys %$leaf_symtab) {
		3652	_gv_clear *{"$pkg$name"};
		3653	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3654	}
		3655	warn "cleared package $pkg\n";#d#
		3656	}
		3657
2417	sub reload() {	3658	sub do_reload_perl() {
2418	# can/must only be called in main	3659	# can/must only be called in main
2419	if ($Coro::current != $Coro::main) {	3660	if ($Coro::current != $Coro::main) {
2420	warn "can only reload from main coroutine";	3661	warn "can only reload from main coroutine";
2421	return;	3662	return;
2422	}	3663	}
2423		3664
		3665	return if $RELOAD++;
		3666
		3667	my $t1 = EV::time;
		3668
		3669	while ($RELOAD) {
2424	warn "reloading...";	3670	warn "reloading...";
2425		3671
2426	warn "entering sync_job";	3672	warn "entering sync_job";
2427		3673
2428	cf::sync_job {	3674	cf::sync_job {
2429	cf::write_runtime; # external watchdog should not bark	3675	cf::write_runtime_sync; # external watchdog should not bark
2430	cf::emergency_save;	3676	cf::emergency_save;
2431	cf::write_runtime; # external watchdog should not bark	3677	cf::write_runtime_sync; # external watchdog should not bark
2432		3678
2433	warn "syncing database to disk";	3679	warn "syncing database to disk";
2434	BDB::db_env_txn_checkpoint $DB_ENV;	3680	BDB::db_env_txn_checkpoint $DB_ENV;
2435		3681
2436	# if anything goes wrong in here, we should simply crash as we already saved	3682	# if anything goes wrong in here, we should simply crash as we already saved
2437		3683
2438	warn "cancelling all WF_AUTOCANCEL watchers";
2439	for (Event::all_watchers) {
2440	$_->cancel if $_->data & WF_AUTOCANCEL;
2441	}
2442
2443	warn "flushing outstanding aio requests";	3684	warn "flushing outstanding aio requests";
2444	for (;;) {
2445	BDB::flush;
2446	IO::AIO::flush;
2447	Coro::cede;
2448	last unless IO::AIO::nreqs || BDB::nreqs;	3685	while (IO::AIO::nreqs || BDB::nreqs) {
2449	warn "iterate...";	3686	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2450	}
2451
2452	++$RELOAD;
2453
2454	warn "cancelling all extension coros";
2455	$_->cancel for values %EXT_CORO;
2456	%EXT_CORO = ();
2457
2458	warn "removing commands";
2459	%COMMAND = ();
2460
2461	warn "removing ext commands";
2462	%EXTCMD = ();
2463
2464	warn "unloading/nuking all extensions";
2465	for my $pkg (@EXTS) {
2466	warn "... unloading $pkg";
2467
2468	if (my $cb = $pkg->can ("unload")) {
2469	eval {
2470	$cb->($pkg);
2471	1
2472	} or warn "$pkg unloaded, but with errors: $@";
2473	}	3687	}
2474		3688
2475	warn "... nuking $pkg";	3689	warn "cancelling all extension coros";
2476	Symbol::delete_package $pkg;	3690	$_->cancel for values %EXT_CORO;
2477	}	3691	%EXT_CORO = ();
2478		3692
2479	warn "unloading all perl modules loaded from $LIBDIR";	3693	warn "removing commands";
2480	while (my ($k, $v) = each %INC) {	3694	%COMMAND = ();
2481	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2482		3695
		3696	warn "removing ext/exti commands";
		3697	%EXTCMD = ();
		3698	%EXTICMD = ();
		3699
		3700	warn "unloading/nuking all extensions";
		3701	for my $pkg (@EXTS) {
2483	warn "... unloading $k";	3702	warn "... unloading $pkg";
2484	delete $INC{$k};
2485		3703
2486	$k =~ s/\.pm$//;
2487	$k =~ s/\//::/g;
2488
2489	if (my $cb = $k->can ("unload_module")) {	3704	if (my $cb = $pkg->can ("unload")) {
		3705	eval {
2490	$cb->();	3706	$cb->($pkg);
		3707	1
		3708	} or warn "$pkg unloaded, but with errors: $@";
		3709	}
		3710
		3711	warn "... clearing $pkg";
		3712	clear_package $pkg;
2491	}	3713	}
2492		3714
2493	Symbol::delete_package $k;	3715	warn "unloading all perl modules loaded from $LIBDIR";
		3716	while (my ($k, $v) = each %INC) {
		3717	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3718
		3719	warn "... unloading $k";
		3720	delete $INC{$k};
		3721
		3722	$k =~ s/\.pm$//;
		3723	$k =~ s/\//::/g;
		3724
		3725	if (my $cb = $k->can ("unload_module")) {
		3726	$cb->();
		3727	}
		3728
		3729	clear_package $k;
2494	}	3730	}
2495		3731
2496	warn "getting rid of safe::, as good as possible";	3732	warn "getting rid of safe::, as good as possible";
2497	Symbol::delete_package "safe::$_"	3733	clear_package "safe::$_"
2498	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3734	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2499		3735
2500	warn "unloading cf.pm \"a bit\"";	3736	warn "unloading cf.pm \"a bit\"";
2501	delete $INC{"cf.pm"};	3737	delete $INC{"cf.pm"};
		3738	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2502		3739
2503	# don't, removes xs symbols, too,	3740	# don't, removes xs symbols, too,
2504	# and global variables created in xs	3741	# and global variables created in xs
2505	#Symbol::delete_package __PACKAGE__;	3742	#clear_package __PACKAGE__;
2506		3743
2507	warn "unload completed, starting to reload now";	3744	warn "unload completed, starting to reload now";
2508		3745
2509	warn "reloading cf.pm";	3746	warn "reloading cf.pm";
2510	require cf;	3747	require cf;
2511	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3748	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2512		3749
2513	warn "loading config and database again";	3750	warn "loading config and database again";
2514	cf::cfg_load;	3751	cf::reload_config;
2515		3752
2516	warn "loading extensions";	3753	warn "loading extensions";
2517	cf::load_extensions;	3754	cf::load_extensions;
2518		3755
		3756	if ($REATTACH_ON_RELOAD) {
2519	warn "reattaching attachments to objects/players";	3757	warn "reattaching attachments to objects/players";
2520	_global_reattach; # objects, sockets	3758	_global_reattach; # objects, sockets
2521	warn "reattaching attachments to maps";	3759	warn "reattaching attachments to maps";
2522	reattach $_ for values %MAP;	3760	reattach $_ for values %MAP;
2523	warn "reattaching attachments to players";	3761	warn "reattaching attachments to players";
2524	reattach $_ for values %PLAYER;	3762	reattach $_ for values %PLAYER;
		3763	}
2525		3764
2526	warn "loading reloadable resources";	3765	warn "running post_init jobs";
2527	reload_resources;	3766	(pop @POST_INIT)->(1) while @POST_INIT;
2528		3767
2529	warn "leaving sync_job";	3768	warn "leaving sync_job";
2530		3769
2531	1	3770	1
2532	} or do {	3771	} or do {
2533	warn $@;	3772	warn $@;
2534	warn "error while reloading, exiting.";	3773	cf::cleanup "error while reloading, exiting.";
2535	exit 1;	3774	};
		3775
		3776	warn "reloaded";
		3777	--$RELOAD;
		3778	}
		3779
		3780	$t1 = EV::time - $t1;
		3781	warn "reload completed in ${t1}s\n";
		3782	};
		3783
		3784	our $RELOAD_WATCHER; # used only during reload
		3785
		3786	sub reload_perl() {
		3787	# doing reload synchronously and two reloads happen back-to-back,
		3788	# coro crashes during coro_state_free->destroy here.
		3789
		3790	$RELOAD_WATCHER ||= cf::async {
		3791	Coro::AIO::aio_wait cache_extensions;
		3792
		3793	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3794	do_reload_perl;
		3795	undef $RELOAD_WATCHER;
		3796	};
2536	};	3797	};
2537		3798	}
2538	warn "reloaded";
2539	};
2540
2541	our $RELOAD_WATCHER; # used only during reload
2542		3799
2543	register_command "reload" => sub {	3800	register_command "reload" => sub {
2544	my ($who, $arg) = @_;	3801	my ($who, $arg) = @_;
2545		3802
2546	if ($who->flag (FLAG_WIZ)) {	3803	if ($who->flag (FLAG_WIZ)) {
2547	$who->message ("reloading server.");	3804	$who->message ("reloading server.");
2548		3805	async {
2549	# doing reload synchronously and two reloads happen back-to-back,	3806	$Coro::current->{desc} = "perl_reload";
2550	# coro crashes during coro_state_free->destroy here.
2551
2552	$RELOAD_WATCHER ||= Event->timer (
2553	reentrant => 0,
2554	after => 0,
2555	data => WF_AUTOCANCEL,
2556	cb => sub {
2557	reload;	3807	reload_perl;
2558	undef $RELOAD_WATCHER;
2559	},
2560	);	3808	};
2561	}	3809	}
2562	};	3810	};
2563		3811
2564	unshift @INC, $LIBDIR;	3812	unshift @INC, $LIBDIR;
2565		3813
2566	my $bug_warning = 0;	3814	my $bug_warning = 0;
2567		3815
2568	$TICK_WATCHER = Event->timer (	3816	our @WAIT_FOR_TICK;
2569	reentrant => 0,	3817	our @WAIT_FOR_TICK_BEGIN;
2570	parked => 1,	3818
2571	prio => 0,	3819	sub wait_for_tick {
2572	at => $NEXT_TICK || $TICK,	3820	return if tick_inhibit || $Coro::current == $Coro::main;
2573	data => WF_AUTOCANCEL,	3821
2574	cb => sub {	3822	my $signal = new Coro::Signal;
		3823	push @WAIT_FOR_TICK, $signal;
		3824	$signal->wait;
		3825	}
		3826
		3827	sub wait_for_tick_begin {
		3828	return if tick_inhibit || $Coro::current == $Coro::main;
		3829
		3830	my $signal = new Coro::Signal;
		3831	push @WAIT_FOR_TICK_BEGIN, $signal;
		3832	$signal->wait;
		3833	}
		3834
		3835	sub tick {
2575	if ($Coro::current != $Coro::main) {	3836	if ($Coro::current != $Coro::main) {
2576	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3837	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2577	unless ++$bug_warning > 10;	3838	unless ++$bug_warning > 10;
2578	return;	3839	return;
2579	}	3840	}
2580		3841
2581	$NOW = Event::time;
2582
2583	cf::server_tick; # one server iteration	3842	cf::server_tick; # one server iteration
2584	$RUNTIME += $TICK;
2585	$NEXT_TICK += $TICK;
2586		3843
2587	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3844	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2588	$NEXT_RUNTIME_WRITE = $NOW + 10;	3845	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2589	Coro::async_pool {	3846	Coro::async_pool {
		3847	$Coro::current->{desc} = "runtime saver";
2590	write_runtime	3848	write_runtime_sync
2591	or warn "ERROR: unable to write runtime file: $!";	3849	or warn "ERROR: unable to write runtime file: $!";
2592	};
2593	}	3850	};
2594
2595	$WAIT_FOR_TICK->broadcast;
2596	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2597
2598	# my $AFTER = Event::time;
2599	# warn $AFTER - $NOW;#d#
2600
2601	# if we are delayed by four ticks or more, skip them all
2602	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2603
2604	$TICK_WATCHER->at ($NEXT_TICK);
2605	$TICK_WATCHER->start;
2606	},	3851	}
2607	);	3852
		3853	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3854	$sig->send;
		3855	}
		3856	while (my $sig = shift @WAIT_FOR_TICK) {
		3857	$sig->send;
		3858	}
		3859
		3860	$LOAD = ($NOW - $TICK_START) / $TICK;
		3861	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3862
		3863	if (0) {
		3864	if ($NEXT_TICK) {
		3865	my $jitter = $TICK_START - $NEXT_TICK;
		3866	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3867	warn "jitter $JITTER\n";#d#
		3868	}
		3869	}
		3870	}
2608		3871
2609	{	3872	{
2610	BDB::max_poll_time $TICK * 0.1;	3873	# configure BDB
2611	$BDB_POLL_WATCHER = Event->io (	3874
2612	reentrant => 0,
2613	fd => BDB::poll_fileno,
2614	poll => 'r',
2615	prio => 0,
2616	data => WF_AUTOCANCEL,
2617	cb => \&BDB::poll_cb,
2618	);
2619	BDB::min_parallel 8;	3875	BDB::min_parallel 8;
2620		3876	BDB::max_poll_reqs $TICK * 0.1;
2621	BDB::set_sync_prepare {	3877	$AnyEvent::BDB::WATCHER->priority (1);
2622	my $status;
2623	my $current = $Coro::current;
2624	(
2625	sub {
2626	$status = $!;
2627	$current->ready; undef $current;
2628	},
2629	sub {
2630	Coro::schedule while defined $current;
2631	$! = $status;
2632	},
2633	)
2634	};
2635		3878
2636	unless ($DB_ENV) {	3879	unless ($DB_ENV) {
2637	$DB_ENV = BDB::db_env_create;	3880	$DB_ENV = BDB::db_env_create;
		3881	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3882	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3883	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3884	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3885	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2638		3886
2639	cf::sync_job {	3887	cf::sync_job {
2640	eval {	3888	eval {
2641	BDB::db_env_open	3889	BDB::db_env_open
2642	$DB_ENV,	3890	$DB_ENV,
2643	$BDB_ENV_DIR,	3891	$BDBDIR,
2644	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3892	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2645	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3893	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2646	0666;	3894	0666;
2647		3895
2648	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3896	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2649
2650	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2651	$DB_ENV->set_lk_detect;
2652	};	3897	};
2653		3898
2654	cf::cleanup "db_env_open(db): $@" if $@;	3899	cf::cleanup "db_env_open(db): $@" if $@;
2655	};	3900	};
2656	}	3901	}
		3902
		3903	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3904	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3905	};
		3906	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3907	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3908	};
		3909	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3910	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3911	};
2657	}	3912	}
2658		3913
2659	{	3914	{
		3915	# configure IO::AIO
		3916
2660	IO::AIO::min_parallel 8;	3917	IO::AIO::min_parallel 8;
2661
2662	undef $Coro::AIO::WATCHER;
2663	IO::AIO::max_poll_time $TICK * 0.1;	3918	IO::AIO::max_poll_time $TICK * 0.1;
2664	$AIO_POLL_WATCHER = Event->io (	3919	undef $AnyEvent::AIO::WATCHER;
2665	reentrant => 0,
2666	data => WF_AUTOCANCEL,
2667	fd => IO::AIO::poll_fileno,
2668	poll => 'r',
2669	prio => 6,
2670	cb => \&IO::AIO::poll_cb,
2671	);
2672	}	3920	}
		3921
		3922	my $_log_backtrace;
		3923
		3924	sub _log_backtrace {
		3925	my ($msg, @addr) = @_;
		3926
		3927	$msg =~ s/\n//;
		3928
		3929	# limit the # of concurrent backtraces
		3930	if ($_log_backtrace < 2) {
		3931	++$_log_backtrace;
		3932	my $perl_bt = Carp::longmess $msg;
		3933	async {
		3934	$Coro::current->{desc} = "abt $msg";
		3935
		3936	my @bt = fork_call {
		3937	@addr = map { sprintf "%x", $_ } @addr;
		3938	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3939	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3940	or die "addr2line: $!";
		3941
		3942	my @funcs;
		3943	my @res = <$fh>;
		3944	chomp for @res;
		3945	while (@res) {
		3946	my ($func, $line) = splice @res, 0, 2, ();
		3947	push @funcs, "[$func] $line";
		3948	}
		3949
		3950	@funcs
		3951	};
		3952
		3953	LOG llevInfo, "[ABT] $perl_bt\n";
		3954	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3955	LOG llevInfo, "[ABT] $_\n" for @bt;
		3956	--$_log_backtrace;
		3957	};
		3958	} else {
		3959	LOG llevInfo, "[ABT] $msg\n";
		3960	LOG llevInfo, "[ABT] [suppressed]\n";
		3961	}
		3962	}
		3963
		3964	# load additional modules
		3965	require "cf/$_.pm" for @EXTRA_MODULES;
2673		3966
2674	END { cf::emergency_save }	3967	END { cf::emergency_save }
2675		3968
2676	1	3969	1
2677		3970

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