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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.218 by root, Sat Feb 17 01:58:55 2007 UTC vs.
Revision 1.474 by root, Thu Jul 16 21:42:56 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict qw(vars subs);
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
		31	use EV;
9	use Opcode;	32	use Opcode;
10	use Safe;	33	use Safe;
11	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
12		36
		37	use Guard ();
13	use Coro 3.5 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
20	use BDB ();	54	use BDB ();
21	use Data::Dumper;	55	use Data::Dumper;
22	use Digest::MD5;	56	use Digest::MD5;
23	use Fcntl;	57	use Fcntl;
		58	use YAML ();
24	use IO::AIO 2.32 ();	59	use IO::AIO ();
25	use YAML::Syck ();
26	use Time::HiRes;	60	use Time::HiRes;
27	use Compress::LZF;	61	use Compress::LZF;
		62	use Digest::MD5 ();
28		63
		64	AnyEvent::detect;
		65
		66	# configure various modules to our taste
		67	#
		68	$Storable::canonical = 1; # reduce rsync transfers
		69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		76
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	77	# strictly for debugging
		78	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
32		79
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	80	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		81
40	our %COMMAND = ();	82	our %COMMAND = ();
41	our %COMMAND_TIME = ();	83	our %COMMAND_TIME = ();
42		84
43	our @EXTS = (); # list of extension package names	85	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	86	our %EXTCMD = ();
		87	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	88	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	89	our %EXT_MAP = (); # pluggable maps
47		90
		91	our $RELOAD; # number of reloads so far, non-zero while in reload
48	our @EVENT;	92	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		93
51	our $TICK = MAX_TIME * 1e-6;	94	our $CONFDIR = confdir;
52	our $TICK_WATCHER;	95	our $DATADIR = datadir;
53	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(!)
54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	111	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	112	our $NEXT_TICK;
56	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	113	our $USE_FSYNC = 1; # use fsync to write maps - default on
58		114
		115	our $BDB_DEADLOCK_WATCHER;
		116	our $BDB_CHECKPOINT_WATCHER;
59	our $BDB_POLL_WATCHER;	117	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	118	our $DB_ENV;
		119
		120	our @EXTRA_MODULES = qw(pod mapscript);
61		121
62	our %CFG;	122	our %CFG;
63		123
64	our $UPTIME; $UPTIME ||= time;	124	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	125	our $RUNTIME;
		126	our $NOW;
66		127
67	our %PLAYER; # all users	128	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	129	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	130	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		131
76	# 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 ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	133	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		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 $REALLY_UNLOOP; # never set to true, please :)
		144
79	binmode STDOUT;	145	binmode STDOUT;
80	binmode STDERR;	146	binmode STDERR;
81		147
82	# read virtual server time, if available	148	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	149	unless ($RUNTIME || !-e $RUNTIMEFILE) {
84	open my $fh, "<", cf::localdir . "/runtime"	150	open my $fh, "<", $RUNTIMEFILE
85	or die "unable to read runtime file: $!";	151	or die "unable to read $RUNTIMEFILE file: $!";
86	$RUNTIME = <$fh> + 0.;	152	$RUNTIME = <$fh> + 0.;
87	}	153	}
88		154
89	mkdir cf::localdir;	155	eval "sub TICK() { $TICK } 1" or die;
90	mkdir cf::localdir . "/" . cf::playerdir;	156
91	mkdir cf::localdir . "/" . cf::tmpdir;	157	mkdir $_
92	mkdir cf::localdir . "/" . cf::uniquedir;	158	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		159
96	our $EMERGENCY_POSITION;	160	our $EMERGENCY_POSITION;
97		161
98	sub cf::map::normalise;	162	sub cf::map::normalise;
99		163
…		…
110	=item $cf::RUNTIME	174	=item $cf::RUNTIME
111		175
112	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
113	every server tick.	177	every server tick.
114		178
115	=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
116		182
117	The perl library directory, where extensions and cf-specific modules can	183	Various directories - "/etc", read-only install directory, perl-library
118	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.
119		187
120	=item $cf::NOW	188	=item $cf::NOW
121		189
122	The time of the last (current) server tick.	190	The time of the last (current) server tick.
123		191
124	=item $cf::TICK	192	=item $cf::TICK
125		193
126	The interval between server ticks, in seconds.	194	The interval between server ticks, in seconds.
127		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
128	=item %cf::CFG	206	=item %cf::CFG
129		207
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	208	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	209	from wherever your confdir points to.
132		210
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	211	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		212
135	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
136	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
137	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.
138	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.
139		222
140	=back	223	=back
141		224
142	=cut	225	=cut
143		226
144	BEGIN {	227	BEGIN {
145	*CORE::GLOBAL::warn = sub {	228	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	229	my $msg = join "", @_;
147	utf8::encode $msg;
148		230
149	$msg .= "\n"	231	$msg .= "\n"
150	unless $msg =~ /\n$/;	232	unless $msg =~ /\n$/;
151		233
		234	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		235
152	LOG llevError, $msg;	236	LOG llevError, $msg;
153	};	237	};
154	}	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#?
155		254
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	255	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	256	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	257	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	258	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@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';
161	@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)
162		262
163	# 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
164	# within the Safe compartment.	264	# within the Safe compartment.
165	for my $pkg (qw(	265	for my $pkg (qw(
166	cf::global cf::attachable	266	cf::global cf::attachable
167	cf::object cf::object::player	267	cf::object cf::object::player
168	cf::client cf::player	268	cf::client cf::player
169	cf::arch cf::living	269	cf::arch cf::living
		270	cf::map cf::mapspace
170	cf::map cf::party cf::region	271	cf::party cf::region
171	)) {	272	)) {
172	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	273	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	274	}
175		275
176	$Event::DIED = sub {	276	$EV::DIED = sub {
177	warn "error in event callback: @_";	277	warn "error in event callback: @_";
178	};	278	};
		279
		280	#############################################################################
179		281
180	=head2 UTILITY FUNCTIONS	282	=head2 UTILITY FUNCTIONS
181		283
182	=over 4	284	=over 4
183		285
…		…
202	$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;
203	$d	305	$d
204	} || "[unable to dump $_[0]: '$@']";	306	} || "[unable to dump $_[0]: '$@']";
205	}	307	}
206		308
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	309	=item $ref = cf::decode_json $json
210		310
211	Converts a JSON string into the corresponding perl data structure.	311	Converts a JSON string into the corresponding perl data structure.
212		312
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	313	=item $json = cf::encode_json $ref
221		314
222	Converts a perl data structure into its JSON representation.	315	Converts a perl data structure into its JSON representation.
223		316
224	=cut	317	=cut
225		318
226	sub to_json($) {	319	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	320
228	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;
229	}	336	}
230		337
231	=item cf::lock_wait $string	338	=item cf::lock_wait $string
232		339
233	Wait until the given lock is available. See cf::lock_acquire.	340	Wait until the given lock is available. See cf::lock_acquire.
234		341
235	=item my $lock = cf::lock_acquire $string	342	=item my $lock = cf::lock_acquire $string
236		343
237	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
238	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,
239	for example when the coroutine gets canceled), the lock is automatically	346	for example when the coroutine gets canceled), the lock is automatically
240	returned.	347	returned.
241		348
		349	Locks are *not* recursive, locking from the same coro twice results in a
		350	deadlocked coro.
		351
242	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
243	uses map_find and cf::map::load uses map_load).	353	uses map_find and cf::map::load uses map_load).
244		354
245	=cut	355	=item $locked = cf::lock_active $string
246		356
247	our %LOCK;	357	Return true if the lock is currently active, i.e. somebody has locked it.
		358
		359	=cut
		360
		361	our $LOCKS = new Coro::SemaphoreSet;
248		362
249	sub lock_wait($) {	363	sub lock_wait($) {
250	my ($key) = @_;	364	$LOCKS->wait ($_[0]);
251
252	# wait for lock, if any
253	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;
256	}
257	}	365	}
258		366
259	sub lock_acquire($) {	367	sub lock_acquire($) {
260	my ($key) = @_;	368	$LOCKS->guard ($_[0])
		369	}
261		370
262	# wait, to be sure we are not locked	371	sub lock_active($) {
263	lock_wait $key;	372	$LOCKS->count ($_[0]) < 1
264
265	$LOCK{$key} = [];
266
267	Coro::guard {
268	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };
270	}
271	}	373	}
272		374
273	sub freeze_mainloop {	375	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	376	tick_inhibit_inc;
275		377
276	my $guard = Coro::guard {	378	&Guard::guard (\&tick_inhibit_dec);
277	$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($$) {
		389	my ($interval, $cb) = @_;
		390
		391	my $start = rand List::Util::min 180, $interval;
		392
		393	EV::periodic $start, $interval, 0, $cb
		394	}
		395
		396	=item cf::get_slot $time[, $priority[, $name]]
		397
		398	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		399	This call blocks and returns only when you have at least C<$time> seconds
		400	of cpu time till the next tick. The slot is only valid till the next cede.
		401
		402	The optional C<$name> can be used to identify the job to run. It might be
		403	used for statistical purposes and should identify the same time-class.
		404
		405	Useful for short background jobs.
		406
		407	=cut
		408
		409	our @SLOT_QUEUE;
		410	our $SLOT_QUEUE;
		411
		412	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		413	$SLOT_QUEUE = Coro::async {
		414	$Coro::current->desc ("timeslot manager");
		415
		416	my $signal = new Coro::Signal;
		417
		418	while () {
		419	next_job:
		420	my $avail = cf::till_tick;
		421	if ($avail > 0.01) {
		422	for (0 .. $#SLOT_QUEUE) {
		423	if ($SLOT_QUEUE[$_][0] < $avail) {
		424	my $job = splice @SLOT_QUEUE, $_, 1, ();
		425	$job->[2]->send;
		426	Coro::cede;
		427	goto next_job;
		428	}
		429	}
		430	}
		431
		432	if (@SLOT_QUEUE) {
		433	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		434	push @cf::WAIT_FOR_TICK, $signal;
		435	$signal->wait;
		436	} else {
		437	Coro::schedule;
		438	}
278	};	439	}
279	$TICK_WATCHER->stop;	440	};
280	$guard	441
		442	sub get_slot($;$$) {
		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	$sig->wait;
281	}	454	}
282		455
283	=item cf::async { BLOCK }	456	=item cf::async { BLOCK }
284		457
285	Currently the same as Coro::async_pool, meaning you cannot use	458	Currently the same as Coro::async_pool, meaning you cannot use
…		…
290		463
291	BEGIN { *async = \&Coro::async_pool }	464	BEGIN { *async = \&Coro::async_pool }
292		465
293	=item cf::sync_job { BLOCK }	466	=item cf::sync_job { BLOCK }
294		467
295	The design of crossfire+ requires that the main coro ($Coro::main) is	468	The design of Deliantra requires that the main coroutine ($Coro::main)
296	always able to handle events or runnable, as crossfire+ is only partly	469	is always able to handle events or runnable, as Deliantra is only
297	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	470	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		471	acceptable.
298		472
299	If it must be done, put the blocking parts into C<sync_job>. This will run	473	If it must be done, put the blocking parts into C<sync_job>. This will run
300	the given BLOCK in another coroutine while waiting for the result. The	474	the given BLOCK in another coroutine while waiting for the result. The
301	server will be frozen during this time, so the block should either finish	475	server will be frozen during this time, so the block should either finish
302	fast or be very important.	476	fast or be very important.
…		…
305		479
306	sub sync_job(&) {	480	sub sync_job(&) {
307	my ($job) = @_;	481	my ($job) = @_;
308		482
309	if ($Coro::current == $Coro::main) {	483	if ($Coro::current == $Coro::main) {
		484	my $time = EV::time;
		485
310	# this is the main coro, too bad, we have to block	486	# this is the main coro, too bad, we have to block
311	# till the operation succeeds, freezing the server :/	487	# till the operation succeeds, freezing the server :/
312		488
313	# TODO: use suspend/resume instead	489	LOG llevError, Carp::longmess "sync job";#d#
314	# (but this is cancel-safe)	490
315	my $freeze_guard = freeze_mainloop;	491	my $freeze_guard = freeze_mainloop;
316		492
317	my $busy = 1;	493	my $busy = 1;
318	my @res;	494	my @res;
319		495
320	(async {	496	(async {
		497	$Coro::current->desc ("sync job coro");
321	@res = eval { $job->() };	498	@res = eval { $job->() };
322	warn $@ if $@;	499	warn $@ if $@;
323	undef $busy;	500	undef $busy;
324	})->prio (Coro::PRIO_MAX);	501	})->prio (Coro::PRIO_MAX);
325		502
326	while ($busy) {	503	while ($busy) {
327	Coro::cede or Event::one_event;	504	if (Coro::nready) {
		505	Coro::cede_notself;
		506	} else {
		507	EV::loop EV::LOOP_ONESHOT;
328	}	508	}
		509	}
		510
		511	my $time = EV::time - $time;
		512
		513	$TICK_START += $time; # do not account sync jobs to server load
329		514
330	wantarray ? @res : $res[0]	515	wantarray ? @res : $res[0]
331	} else {	516	} else {
332	# we are in another coroutine, how wonderful, everything just works	517	# we are in another coroutine, how wonderful, everything just works
333		518
…		…
353	$EXT_CORO{$coro+0} = $coro;	538	$EXT_CORO{$coro+0} = $coro;
354		539
355	$coro	540	$coro
356	}	541	}
357		542
358	sub write_runtime {	543	=item fork_call { }, $args
359	my $runtime = cf::localdir . "/runtime";
360		544
361	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	545	Executes the given code block with the given arguments in a seperate
362	or return;	546	process, returning the results. Everything must be serialisable with
		547	Coro::Storable. May, of course, block. Note that the executed sub may
		548	never block itself or use any form of event handling.
363		549
364	my $value = $cf::RUNTIME + 90 + 10;	550	=cut
365	# 10 is the runtime save interval, for a monotonic clock
366	# 60 allows for the watchdog to kill the server.
367		551
368	(aio_write $fh, 0, (length $value), $value, 0) <= 0	552	sub fork_call(&@) {
369	and return;	553	my ($cb, @args) = @_;
370		554
371	# always fsync - this file is important	555	# we seemingly have to make a local copy of the whole thing,
372	aio_fsync $fh	556	# otherwise perl prematurely frees the stuff :/
373	and return;	557	# TODO: investigate and fix (likely this will be rather laborious)
374		558
375	close $fh	559	my @res = Coro::Util::fork_eval {
376	or return;	560	reset_signals;
		561	&$cb
		562	}, @args;
377		563
378	aio_rename "$runtime~", $runtime	564	wantarray ? @res : $res[-1]
379	and return;	565	}
380		566
		567	=item $coin = coin_from_name $name
		568
		569	=cut
		570
		571	our %coin_alias = (
		572	"silver" => "silvercoin",
		573	"silvercoin" => "silvercoin",
		574	"silvercoins" => "silvercoin",
		575	"gold" => "goldcoin",
		576	"goldcoin" => "goldcoin",
		577	"goldcoins" => "goldcoin",
		578	"platinum" => "platinacoin",
		579	"platinumcoin" => "platinacoin",
		580	"platinumcoins" => "platinacoin",
		581	"platina" => "platinacoin",
		582	"platinacoin" => "platinacoin",
		583	"platinacoins" => "platinacoin",
		584	"royalty" => "royalty",
		585	"royalties" => "royalty",
		586	);
		587
		588	sub coin_from_name($) {
		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($$) {
		636	my $key = "$_[0]/$_[1]";
		637
		638	cf::sync_job {
		639	BDB::db_get $DB, undef, $key, my $data;
		640
		641	$! ? ()
		642	: $data
381	1	643	}
		644	}
		645
		646	sub db_put($$$) {
		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 });
382	}	730	}
383		731
384	=back	732	=back
385		733
386	=cut	734	=cut
387		735
388	#############################################################################	736	#############################################################################
389		737
390	=head2 ATTACHABLE OBJECTS	738	=head2 ATTACHABLE OBJECTS
391		739
392	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
393	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")
394	to it. All such attachable objects support the following methods.	742	to it. All such attachable objects support the following methods.
395		743
396	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>
397	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
398	crossfire+).	746	Deliantra).
399		747
400	=over 4	748	=over 4
401		749
402	=item $attachable->attach ($attachment, key => $value...)	750	=item $attachable->attach ($attachment, key => $value...)
403		751
…		…
447	=item cf::CLASS::attachment $name, ...	795	=item cf::CLASS::attachment $name, ...
448		796
449	Register an attachment by C<$name> through which attachable objects of the	797	Register an attachment by C<$name> through which attachable objects of the
450	given CLASS can refer to this attachment.	798	given CLASS can refer to this attachment.
451		799
452	Some classes such as crossfire maps and objects can specify attachments	800	Some classes such as deliantra maps and objects can specify attachments
453	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.
454		802
455	These calls expect any number of the following handler/hook descriptions:	803	These calls expect any number of the following handler/hook descriptions:
456		804
457	=over 4	805	=over 4
…		…
566	$registry = $CB_TYPE[$object_type] ||= [];	914	$registry = $CB_TYPE[$object_type] ||= [];
567		915
568	} elsif ($type eq "subtype") {	916	} elsif ($type eq "subtype") {
569	defined $object_type or Carp::croak "subtype specified without type";	917	defined $object_type or Carp::croak "subtype specified without type";
570	my $object_subtype = shift @arg;	918	my $object_subtype = shift @arg;
571	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	919	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
572		920
573	} elsif ($type eq "package") {	921	} elsif ($type eq "package") {
574	my $pkg = shift @arg;	922	my $pkg = shift @arg;
575		923
576	while (my ($name, $id) = each %cb_id) {	924	while (my ($name, $id) = each %cb_id) {
…		…
605	_attach $registry, $klass, @attach;	953	_attach $registry, $klass, @attach;
606	}	954	}
607		955
608	$obj->{$name} = \%arg;	956	$obj->{$name} = \%arg;
609	} else {	957	} else {
610	warn "object uses attachment '$name' that is not available, postponing.\n";	958	warn "object uses attachment '$name' which is not available, postponing.\n";
611	}	959	}
612		960
613	$obj->{_attachment}{$name} = undef;	961	$obj->{_attachment}{$name} = undef;
614	}	962	}
615		963
…		…
617	if (ref $_[0]) {	965	if (ref $_[0]) {
618	_object_attach @_;	966	_object_attach @_;
619	} else {	967	} else {
620	_attach shift->_attach_registry, @_;	968	_attach shift->_attach_registry, @_;
621	}	969	}
		970	_recalc_want;
622	};	971	};
623		972
624	# all those should be optimised	973	# all those should be optimised
625	sub cf::attachable::detach {	974	sub cf::attachable::detach {
626	my ($obj, $name) = @_;	975	my ($obj, $name) = @_;
…		…
629	delete $obj->{_attachment}{$name};	978	delete $obj->{_attachment}{$name};
630	reattach ($obj);	979	reattach ($obj);
631	} else {	980	} else {
632	Carp::croak "cannot, currently, detach class attachments";	981	Carp::croak "cannot, currently, detach class attachments";
633	}	982	}
		983	_recalc_want;
634	};	984	};
635		985
636	sub cf::attachable::attached {	986	sub cf::attachable::attached {
637	my ($obj, $name) = @_;	987	my ($obj, $name) = @_;
638		988
…		…
653	";	1003	";
654	die if $@;	1004	die if $@;
655	}	1005	}
656		1006
657	our $override;	1007	our $override;
658	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?
659		1009
660	sub override {	1010	sub override {
661	$override = 1;	1011	$override = 1;
662	@invoke_results = ();	1012	@INVOKE_RESULTS = (@_);
663	}	1013	}
664		1014
665	sub do_invoke {	1015	sub do_invoke {
666	my $event = shift;	1016	my $event = shift;
667	my $callbacks = shift;	1017	my $callbacks = shift;
668		1018
669	@invoke_results = ();	1019	@INVOKE_RESULTS = ();
670		1020
671	local $override;	1021	local $override;
672		1022
673	for (@$callbacks) {	1023	for (@$callbacks) {
674	eval { &{$_->[1]} };	1024	eval { &{$_->[1]} };
…		…
683	}	1033	}
684		1034
685	0	1035	0
686	}	1036	}
687		1037
688	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1038	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
689		1039
690	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1040	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
691		1041
692	Generate an object-specific event with the given arguments.	1042	Generate an object-specific event with the given arguments.
693		1043
694	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
695	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
696	results (if you must, access C<@cf::invoke_results> directly).	1046	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
697		1047
698	=back	1048	=back
699		1049
700	=cut	1050	=cut
701		1051
702	#############################################################################	1052	#############################################################################
703	# 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, $ob2
		1095	}
704		1096
705	sub reattach {	1097	sub reattach {
706	# basically do the same as instantiate, without calling instantiate	1098	# basically do the same as instantiate, without calling instantiate
707	my ($obj) = @_;	1099	my ($obj) = @_;
708		1100
		1101	# no longer needed after getting rid of delete_package?
709	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
710		1103
711	my $registry = $obj->registry;	1104	my $registry = $obj->registry;
712		1105
713	@$registry = ();	1106	@$registry = ();
714		1107
…		…
729	cf::attachable->attach (	1122	cf::attachable->attach (
730	prio => -1000000,	1123	prio => -1000000,
731	on_instantiate => sub {	1124	on_instantiate => sub {
732	my ($obj, $data) = @_;	1125	my ($obj, $data) = @_;
733		1126
734	$data = from_json $data;	1127	$data = decode_json $data;
735		1128
736	for (@$data) {	1129	for (@$data) {
737	my ($name, $args) = @$_;	1130	my ($name, $args) = @$_;
738		1131
739	$obj->attach ($name, %{$args || {} });	1132	$obj->attach ($name, %{$args || {} });
…		…
755	sub object_freezer_save {	1148	sub object_freezer_save {
756	my ($filename, $rdata, $objs) = @_;	1149	my ($filename, $rdata, $objs) = @_;
757		1150
758	sync_job {	1151	sync_job {
759	if (length $$rdata) {	1152	if (length $$rdata) {
		1153	utf8::decode (my $decname = $filename);
760	warn sprintf "saving %s (%d,%d)\n",	1154	warn sprintf "saving %s (%d,%d)\n",
761	$filename, length $$rdata, scalar @$objs;	1155	$decname, length $$rdata, scalar @$objs;
762		1156
763	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1157	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
764	chmod SAVE_MODE, $fh;	1158	aio_chmod $fh, SAVE_MODE;
765	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1159	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
766	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	}
767	close $fh;	1164	aio_close $fh;
768		1165
769	if (@$objs) {	1166	if (@$objs) {
770	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) {
771	chmod SAVE_MODE, $fh;	1168	aio_chmod $fh, SAVE_MODE;
772	my $data = Storable::nfreeze { version => 1, objs => $objs };	1169	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
773	aio_write $fh, 0, (length $data), $data, 0;	1170	aio_write $fh, 0, (length $data), $data, 0;
774	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	}
775	close $fh;	1175	aio_close $fh;
776	aio_rename "$filename.pst~", "$filename.pst";	1176	aio_rename "$filename.pst~", "$filename.pst";
777	}	1177	}
778	} else {	1178	} else {
779	aio_unlink "$filename.pst";	1179	aio_unlink "$filename.pst";
780	}	1180	}
781		1181
782	aio_rename "$filename~", $filename;	1182	aio_rename "$filename~", $filename;
		1183
		1184	$filename =~ s%/[^/]+$%%;
		1185	aio_pathsync $filename if $cf::USE_FSYNC;
783	} else {	1186	} else {
784	warn "FATAL: $filename~: $!\n";	1187	warn "unable to save objects: $filename~: $!\n";
785	}	1188	}
786	} else {	1189	} else {
787	aio_unlink $filename;	1190	aio_unlink $filename;
788	aio_unlink "$filename.pst";	1191	aio_unlink "$filename.pst";
789	}	1192	}
790	}	1193	};
791	}	1194	}
792		1195
793	sub object_freezer_as_string {	1196	sub object_freezer_as_string {
794	my ($rdata, $objs) = @_;	1197	my ($rdata, $objs) = @_;
795		1198
…		…
807	or return;	1210	or return;
808		1211
809	unless (aio_stat "$filename.pst") {	1212	unless (aio_stat "$filename.pst") {
810	(aio_load "$filename.pst", $av) >= 0	1213	(aio_load "$filename.pst", $av) >= 0
811	or return;	1214	or return;
		1215
812	$av = eval { (Storable::thaw $av)->{objs} };	1216	my $st = eval { Coro::Storable::thaw $av };
		1217	$av = $st->{objs};
813	}	1218	}
814		1219
		1220	utf8::decode (my $decname = $filename);
815	warn sprintf "loading %s (%d)\n",	1221	warn sprintf "loading %s (%d,%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	1222	$decname, length $data, scalar @{$av || []};
		1223
817	return ($data, $av);	1224	($data, $av)
818	}	1225	}
		1226
		1227	=head2 COMMAND CALLBACKS
		1228
		1229	=over 4
		1230
		1231	=cut
819		1232
820	#############################################################################	1233	#############################################################################
821	# command handling &c	1234	# command handling &c
822		1235
823	=item cf::register_command $name => \&callback($ob,$args);	1236	=item cf::register_command $name => \&callback($ob,$args);
…		…
836	push @{ $COMMAND{$name} }, [$caller, $cb];	1249	push @{ $COMMAND{$name} }, [$caller, $cb];
837	}	1250	}
838		1251
839	=item cf::register_extcmd $name => \&callback($pl,$packet);	1252	=item cf::register_extcmd $name => \&callback($pl,$packet);
840		1253
841	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.
842		1259
843	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
844	called.	1261	called.
845		1262
		1263	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1264
		1265	Register a callback for execution when the client sends an (asynchronous)
		1266	exticmd packet. Exti commands are processed by the server as soon as they
		1267	are received, i.e. out of order w.r.t. other commands. The first argument
		1268	is a client socket. Exti commands can be received anytime, even before
		1269	log-in.
		1270
		1271	If the callback returns something, it is sent back as if reply was being
		1272	called.
		1273
846	=cut	1274	=cut
847		1275
848	sub register_extcmd {	1276	sub register_extcmd {
849	my ($name, $cb) = @_;	1277	my ($name, $cb) = @_;
850		1278
851	$EXTCMD{$name} = $cb;	1279	$EXTCMD{$name} = $cb;
852	}	1280	}
		1281
		1282	sub register_exticmd {
		1283	my ($name, $cb) = @_;
		1284
		1285	$EXTICMD{$name} = $cb;
		1286	}
		1287
		1288	use File::Glob ();
853		1289
854	cf::player->attach (	1290	cf::player->attach (
855	on_command => sub {	1291	on_command => sub {
856	my ($pl, $name, $params) = @_;	1292	my ($pl, $name, $params) = @_;
857		1293
…		…
865	cf::override;	1301	cf::override;
866	},	1302	},
867	on_extcmd => sub {	1303	on_extcmd => sub {
868	my ($pl, $buf) = @_;	1304	my ($pl, $buf) = @_;
869		1305
870	my $msg = eval { from_json $buf };	1306	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871		1307
872	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
873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1316	if (my $cb = $EXTCMD{$type}) {
874	if (my %reply = $cb->($pl, $msg)) {	1317	@reply = $cb->($pl, @payload);
875	$pl->ext_reply ($msg->{msgid}, %reply);
876	}
877	}	1318	}
		1319
		1320	$pl->ext_reply ($reply, @reply)
		1321	if $reply;
		1322
878	} else {	1323	} else {
879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1324	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
880	}	1325	}
881		1326
882	cf::override;	1327	cf::override;
883	},	1328	},
884	);	1329	);
885		1330
		1331	# "readahead" all extensions
886	sub load_extension {	1332	sub cache_extensions {
887	my ($path) = @_;	1333	my $grp = IO::AIO::aio_group;
888		1334
889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1335	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
890	my $base = $1;	1336	for (grep /\.ext$/, @{$_[0]}) {
891	my $pkg = $1;	1337	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
892	$pkg =~ s/[^[:word:]]/_/g;
893	$pkg = "ext::$pkg";
894
895	warn "... loading '$path' into '$pkg'\n";
896
897	open my $fh, "<:utf8", $path
898	or die "$path: $!";
899
900	my $source =
901	"package $pkg; use strict; use utf8;\n"
902	. "#line 1 \"$path\"\n{\n"
903	. (do { local $/; <$fh> })
904	. "\n};\n1";
905
906	unless (eval $source) {
907	my $msg = $@ ? "$path: $@\n"
908	: "extension disabled.\n";
909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
910	warn $@;
911	warn "mandatory extension failed to load, exiting.\n";
912	exit 1;
913	}	1338	}
914	die $@;
915	}	1339	};
916		1340
917	push @EXTS, $pkg;	1341	$grp
918	}	1342	}
919		1343
920	sub load_extensions {	1344	sub load_extensions {
		1345	cf::sync_job {
		1346	my %todo;
		1347
921	for my $ext (<$LIBDIR/*.ext>) {	1348	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1349	next unless -r $path;
923	eval {	1350
924	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	$progress = 1;
925	1	1407	}
926	} or warn "$ext not loaded: $@";	1408
		1409	skip:
		1410	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1411	unless $progress;
		1412	}
927	}	1413	};
928	}	1414	}
929		1415
930	#############################################################################	1416	#############################################################################
931		1417
		1418	=back
		1419
932	=head2 CORE EXTENSIONS	1420	=head2 CORE EXTENSIONS
933		1421
934	Functions and methods that extend core crossfire objects.	1422	Functions and methods that extend core deliantra objects.
935		1423
936	=cut	1424	=cut
937		1425
938	package cf::player;	1426	package cf::player;
939		1427
…		…
941		1429
942	=head3 cf::player	1430	=head3 cf::player
943		1431
944	=over 4	1432	=over 4
945		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
946	=item cf::player::find $login	1448	=item cf::player::find $login
947		1449
948	Returns the given player object, loading it if necessary (might block).	1450	Returns the given player object, loading it if necessary (might block).
949		1451
950	=cut	1452	=cut
951		1453
952	sub playerdir($) {	1454	sub playerdir($) {
953	cf::localdir	1455	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1456	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1457	}
959		1458
960	sub path($) {	1459	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1460	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1461
963	(playerdir $login) . "/$login.pl"	1462	(playerdir $login) . "/playerdata"
964	}	1463	}
965		1464
966	sub find_active($) {	1465	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1466	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1467	and $cf::PLAYER{$_[0]}->active
…		…
971		1470
972	sub exists($) {	1471	sub exists($) {
973	my ($login) = @_;	1472	my ($login) = @_;
974		1473
975	$cf::PLAYER{$login}	1474	$cf::PLAYER{$login}
976	or cf::sync_job { !aio_stat path $login }	1475	or !aio_stat path $login
977	}	1476	}
978		1477
979	sub find($) {	1478	sub find($) {
980	return $cf::PLAYER{$_[0]} || do {	1479	return $cf::PLAYER{$_[0]} || do {
981	my $login = $_[0];	1480	my $login = $_[0];
982		1481
983	my $guard = cf::lock_acquire "user_find:$login";	1482	my $guard = cf::lock_acquire "user_find:$login";
984		1483
985	$cf::PLAYER{$_[0]} || do {	1484	$cf::PLAYER{$_[0]} || do {
986	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
987	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;
988	$cf::PLAYER{$login} = $pl	1500	$cf::PLAYER{$login} = $pl
989	}	1501	}
990	}	1502	}
991	}	1503	}
992		1504
…		…
1001	return if $pl->{deny_save};	1513	return if $pl->{deny_save};
1002		1514
1003	aio_mkdir playerdir $pl, 0770;	1515	aio_mkdir playerdir $pl, 0770;
1004	$pl->{last_save} = $cf::RUNTIME;	1516	$pl->{last_save} = $cf::RUNTIME;
1005		1517
		1518	cf::get_slot 0.01;
		1519
1006	$pl->save_pl ($path);	1520	$pl->save_pl ($path);
1007	Coro::cede;	1521	cf::cede_to_tick;
1008	}	1522	}
1009		1523
1010	sub new($) {	1524	sub new($) {
1011	my ($login) = @_;	1525	my ($login) = @_;
1012		1526
…		…
1018	$cf::PLAYER{$login} = $self;	1532	$cf::PLAYER{$login} = $self;
1019		1533
1020	$self	1534	$self
1021	}	1535	}
1022		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
1023	=item $pl->quit_character	1547	=item $pl->quit_character
1024		1548
1025	Nukes the player without looking back. If logged in, the connection will	1549	Nukes the player without looking back. If logged in, the connection will
1026	be destroyed. May block for a long time.	1550	be destroyed. May block for a long time.
1027		1551
1028	=cut	1552	=cut
1029		1553
1030	sub quit_character {	1554	sub quit_character {
1031	my ($pl) = @_;	1555	my ($pl) = @_;
1032		1556
		1557	my $name = $pl->ob->name;
		1558
1033	$pl->{deny_save} = 1;	1559	$pl->{deny_save} = 1;
1034	$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
1035		1561
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1562	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1037	$pl->deactivate;	1563	$pl->deactivate;
		1564	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1565	$pl->ob->check_score;
1038	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1566	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1039	$pl->ns->destroy if $pl->ns;	1567	$pl->ns->destroy if $pl->ns;
1040		1568
1041	my $path = playerdir $pl;	1569	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1570	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1571	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1572	delete $cf::PLAYER{$pl->ob->name};
1045	$pl->destroy;	1573	$pl->destroy;
		1574
		1575	my $prefix = qr<^~\Q$name\E/>;
		1576
		1577	# nuke player maps
		1578	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1579
1046	IO::AIO::aio_rmtree $temp;	1580	IO::AIO::aio_rmtree $temp;
		1581	}
		1582
		1583	=item $pl->kick
		1584
		1585	Kicks a player out of the game. This destroys the connection.
		1586
		1587	=cut
		1588
		1589	sub kick {
		1590	my ($pl, $kicker) = @_;
		1591
		1592	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1593	$pl->killer ("kicked");
		1594	$pl->ns->destroy;
1047	}	1595	}
1048		1596
1049	=item cf::player::list_logins	1597	=item cf::player::list_logins
1050		1598
1051	Returns am arrayref of all valid playernames in the system, can take a	1599	Returns am arrayref of all valid playernames in the system, can take a
1052	while and may block, so not sync_job-capable, ever.	1600	while and may block, so not sync_job-capable, ever.
1053		1601
1054	=cut	1602	=cut
1055		1603
1056	sub list_logins {	1604	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1605	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1606	or return [];
1059		1607
1060	my @logins;	1608	my @logins;
1061		1609
1062	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") {
1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1616	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1064	aio_read $fh, 0, 512, my $buf, 0 or next;	1617	aio_read $fh, 0, 512, my $buf, 0 or next;
1065	$buf !~ /^password -------------$/m or next; # official not-valid tag	1618	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1619	}
1066		1620
1067	utf8::decode $login;	1621	utf8::decode $login;
1068	push @logins, $login;	1622	push @logins, $login;
1069	}	1623	}
1070		1624
…		…
1097	}	1651	}
1098		1652
1099	\@paths	1653	\@paths
1100	}	1654	}
1101		1655
		1656	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1657
		1658	Expand deliantra pod fragments into protocol xml.
		1659
1102	=item $player->ext_reply ($msgid, $msgtype, %msg)	1660	=item $player->ext_reply ($msgid, @msg)
1103		1661
1104	Sends an ext reply to the player.	1662	Sends an ext reply to the player.
1105		1663
1106	=cut	1664	=cut
1107		1665
1108	sub ext_reply($$$%) {	1666	sub ext_reply($$@) {
1109	my ($self, $id, %msg) = @_;	1667	my ($self, $id, @msg) = @_;
1110		1668
1111	$msg{msgid} = $id;	1669	$self->ns->ext_reply ($id, @msg)
1112
1113	$self->send ("ext " . cf::to_json \%msg);
1114	}	1670	}
1115		1671
1116	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	}
1117		1712
1118	=back	1713	=back
1119
1120		1714
1121	=head3 cf::map	1715	=head3 cf::map
1122		1716
1123	=over 4	1717	=over 4
1124		1718
…		…
1136	our $MAX_RESET = 3600;	1730	our $MAX_RESET = 3600;
1137	our $DEFAULT_RESET = 3000;	1731	our $DEFAULT_RESET = 3000;
1138		1732
1139	sub generate_random_map {	1733	sub generate_random_map {
1140	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
1141	# mit "rum" bekleckern, nicht	1738	# mit "rum" bekleckern, nicht
1142	$self->_create_random_map (	1739	$self->_create_random_map (
1143	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1740	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1144	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1741	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1145	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1742	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1179	my ($self, $merge) = @_;	1776	my ($self, $merge) = @_;
1180		1777
1181	# we have to keep some variables in memory intact	1778	# we have to keep some variables in memory intact
1182	local $self->{path};	1779	local $self->{path};
1183	local $self->{load_path};	1780	local $self->{load_path};
1184	local $self->{deny_save};
1185	local $self->{deny_reset};
1186		1781
1187	$self->SUPER::thawer_merge ($merge);	1782	$self->SUPER::thawer_merge ($merge);
1188	}	1783	}
1189		1784
1190	sub normalise {	1785	sub normalise {
…		…
1237	$self->init; # pass $1 etc.	1832	$self->init; # pass $1 etc.
1238	return $self;	1833	return $self;
1239	}	1834	}
1240	}	1835	}
1241		1836
1242	Carp::carp "unable to resolve path '$path' (base '$base').";	1837	Carp::cluck "unable to resolve path '$path' (base '$base').";
1243	()	1838	()
1244	}	1839	}
1245		1840
1246	sub init {	1841	sub init {
1247	my ($self) = @_;	1842	my ($self) = @_;
…		…
1262		1857
1263	# the original (read-only) location	1858	# the original (read-only) location
1264	sub load_path {	1859	sub load_path {
1265	my ($self) = @_;	1860	my ($self) = @_;
1266		1861
1267	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1862	"$MAPDIR/$self->{path}.map"
1268	}	1863	}
1269		1864
1270	# the temporary/swap location	1865	# the temporary/swap location
1271	sub save_path {	1866	sub save_path {
1272	my ($self) = @_;	1867	my ($self) = @_;
1273		1868
1274	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1869	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1275	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1870	"$TMPDIR/$path.map"
1276	}	1871	}
1277		1872
1278	# the unique path, undef == no special unique path	1873	# the unique path, undef == no special unique path
1279	sub uniq_path {	1874	sub uniq_path {
1280	my ($self) = @_;	1875	my ($self) = @_;
1281		1876
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1877	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1283	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1878	"$UNIQUEDIR/$path"
1284	}	1879	}
1285		1880
1286	# and all this just because we cannot iterate over	1881	sub decay_objects {
1287	# all maps in C++...
1288	sub change_all_map_light {
1289	my ($change) = @_;	1882	my ($self) = @_;
1290		1883
1291	$_->change_map_light ($change)	1884	return if $self->{deny_reset};
1292	for grep $_->outdoor, values %cf::MAP;	1885
		1886	$self->do_decay_objects;
1293	}	1887	}
1294		1888
1295	sub unlink_save {	1889	sub unlink_save {
1296	my ($self) = @_;	1890	my ($self) = @_;
1297		1891
…		…
1302		1896
1303	sub load_header_from($) {	1897	sub load_header_from($) {
1304	my ($self, $path) = @_;	1898	my ($self, $path) = @_;
1305		1899
1306	utf8::encode $path;	1900	utf8::encode $path;
1307	#aio_open $path, O_RDONLY, 0	1901	my $f = new_from_file cf::object::thawer $path
1308	# or return;
1309
1310	$self->_load_header ($path)
1311	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;
1312		1909
1313	$self->{load_path} = $path;	1910	$self->{load_path} = $path;
1314		1911
1315	1	1912	1
1316	}	1913	}
…		…
1355	$self->load_header_orig	1952	$self->load_header_orig
1356	or return;	1953	or return;
1357	$self->prepare_orig;	1954	$self->prepare_orig;
1358	}	1955	}
1359		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
1360	1	1963	1
1361	}	1964	}
1362		1965
1363	sub find;	1966	sub find;
1364	sub find {	1967	sub find {
1365	my ($path, $origin) = @_;	1968	my ($path, $origin) = @_;
1366		1969
1367	$path = normalise $path, $origin && $origin->path;	1970	$path = normalise $path, $origin && $origin->path;
1368		1971
		1972	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1369	cf::lock_wait "map_find:$path";	1973	my $guard2 = cf::lock_acquire "map_find:$path";
1370		1974
1371	$cf::MAP{$path} || do {	1975	$cf::MAP{$path} || do {
1372	my $guard = cf::lock_acquire "map_find:$path";
1373	my $map = new_from_path cf::map $path	1976	my $map = new_from_path cf::map $path
1374	or return;	1977	or return;
1375		1978
1376	$map->{last_save} = $cf::RUNTIME;	1979	$map->{last_save} = $cf::RUNTIME;
1377		1980
1378	$map->load_header	1981	$map->load_header
1379	or return;	1982	or return;
1380		1983
1381	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1984	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1382	# doing this can freeze the server in a sync job, obviously	1985	# doing this can freeze the server in a sync job, obviously
1383	#$cf::WAIT_FOR_TICK->wait;	1986	#$cf::WAIT_FOR_TICK->wait;
		1987	undef $guard2;
		1988	undef $guard1;
1384	$map->reset;	1989	$map->reset;
1385	undef $guard;
1386	return find $path;	1990	return find $path;
1387	}	1991	}
1388		1992
1389	$cf::MAP{$path} = $map	1993	$cf::MAP{$path} = $map
1390	}	1994	}
…		…
1397	my ($self) = @_;	2001	my ($self) = @_;
1398		2002
1399	local $self->{deny_reset} = 1; # loading can take a long time	2003	local $self->{deny_reset} = 1; # loading can take a long time
1400		2004
1401	my $path = $self->{path};	2005	my $path = $self->{path};
		2006
		2007	{
1402	my $guard = cf::lock_acquire "map_load:$path";	2008	my $guard = cf::lock_acquire "map_data:$path";
1403		2009
		2010	return unless $self->valid;
1404	return if $self->in_memory != cf::MAP_SWAPPED;	2011	return unless $self->in_memory == cf::MAP_SWAPPED;
1405		2012
1406	$self->in_memory (cf::MAP_LOADING);	2013	$self->in_memory (cf::MAP_LOADING);
1407		2014
1408	$self->alloc;	2015	$self->alloc;
1409		2016
1410	$self->pre_load;	2017	$self->pre_load;
		2018	cf::cede_to_tick;
1411		2019
1412	$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)
1413	or return;	2023	or return;
1414		2024
1415	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2025	$self->post_load_original
1416	if delete $self->{load_original};	2026	if delete $self->{load_original};
1417		2027
1418	if (my $uniq = $self->uniq_path) {	2028	if (my $uniq = $self->uniq_path) {
1419	utf8::encode $uniq;	2029	utf8::encode $uniq;
1420	if (aio_open $uniq, O_RDONLY, 0) {	2030	unless (aio_stat $uniq) {
		2031	if (my $f = new_from_file cf::object::thawer $uniq) {
1421	$self->clear_unique_items;	2032	$self->clear_unique_items;
1422	$self->_load_objects ($uniq, 0);	2033	$self->_load_objects ($f);
		2034	$f->resolve_delayed_derefs;
		2035	}
1423	}	2036	}
1424	}	2037	}
1425		2038
1426	Coro::cede;	2039	$f->resolve_delayed_derefs;
1427		2040
		2041	cf::cede_to_tick;
1428	# now do the right thing for maps	2042	# now do the right thing for maps
1429	$self->link_multipart_objects;	2043	$self->link_multipart_objects;
1430
1431	unless ($self->{deny_activate}) {
1432	$self->decay_objects;
1433	$self->fix_auto_apply;
1434	$self->update_buttons;
1435	Coro::cede;
1436	$self->set_darkness_map;
1437	$self->difficulty ($self->estimate_difficulty)	2044	$self->difficulty ($self->estimate_difficulty)
1438	unless $self->difficulty;	2045	unless $self->difficulty;
1439	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;
1440	$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);
1441	}	2060	}
1442		2061
1443	$self->post_load;	2062	$self->post_load;
1444
1445	$self->in_memory (cf::MAP_IN_MEMORY);
1446	}	2063	}
1447		2064
1448	sub customise_for {	2065	sub customise_for {
1449	my ($self, $ob) = @_;	2066	my ($self, $ob) = @_;
1450		2067
1451	return find "~" . $ob->name . "/" . $self->{path}	2068	return find "~" . $ob->name . "/" . $self->{path}
1452	if $self->per_player;	2069	if $self->per_player;
1453		2070
		2071	# return find "?party/" . $ob->name . "/" . $self->{path}
		2072	# if $self->per_party;
		2073
1454	$self	2074	$self
1455	}	2075	}
1456		2076
1457	# 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
1458	sub load_diag {	2078	sub load_neighbours {
1459	my ($map) = @_;	2079	my ($map) = @_;
1460		2080
1461	my @diag; # diagonal neighbours	2081	my @neigh; # diagonal neighbours
1462		2082
1463	for (0 .. 3) {	2083	for (0 .. 3) {
1464	my $neigh = $map->tile_path ($_)	2084	my $neigh = $map->tile_path ($_)
1465	or next;	2085	or next;
1466	$neigh = find $neigh, $map	2086	$neigh = find $neigh, $map
1467	or next;	2087	or next;
1468	$neigh->load;	2088	$neigh->load;
1469		2089
		2090	push @neigh,
1470	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2091	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1471	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2092	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1472	}	2093	}
1473		2094
1474	for (@diag) {	2095	for (grep defined $_->[0], @neigh) {
		2096	my ($path, $origin) = @$_;
1475	my $neigh = find @$_	2097	my $neigh = find $path, $origin
1476	or next;	2098	or next;
1477	$neigh->load;	2099	$neigh->load;
1478	}	2100	}
1479	}	2101	}
1480		2102
…		…
1485	}	2107	}
1486		2108
1487	sub do_load_sync {	2109	sub do_load_sync {
1488	my ($map) = @_;	2110	my ($map) = @_;
1489		2111
		2112	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2113	if $Coro::current == $Coro::main;
		2114
1490	cf::sync_job { $map->load };	2115	cf::sync_job { $map->load };
1491	}	2116	}
1492		2117
1493	our %MAP_PREFETCH;	2118	our %MAP_PREFETCH;
1494	our $MAP_PREFETCHER = undef;	2119	our $MAP_PREFETCHER = undef;
1495		2120
1496	sub find_async {	2121	sub find_async {
1497	my ($path, $origin) = @_;	2122	my ($path, $origin, $load) = @_;
1498		2123
1499	$path = normalise $path, $origin && $origin->{path};	2124	$path = normalise $path, $origin && $origin->{path};
1500		2125
1501	if (my $map = $cf::MAP{$path}) {	2126	if (my $map = $cf::MAP{$path}) {
1502	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2127	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1503	}	2128	}
1504		2129
1505	undef $MAP_PREFETCH{$path};	2130	$MAP_PREFETCH{$path} |= $load;
		2131
1506	$MAP_PREFETCHER ||= cf::async {	2132	$MAP_PREFETCHER ||= cf::async {
		2133	$Coro::current->{desc} = "map prefetcher";
		2134
1507	while (%MAP_PREFETCH) {	2135	while (%MAP_PREFETCH) {
1508	for my $path (keys %MAP_PREFETCH) {	2136	while (my ($k, $v) = each %MAP_PREFETCH) {
1509	my $map = find $path	2137	if (my $map = find $k) {
1510	or next;
1511	$map->load;	2138	$map->load if $v;
		2139	}
1512		2140
1513	delete $MAP_PREFETCH{$path};	2141	delete $MAP_PREFETCH{$k};
1514	}	2142	}
1515	}	2143	}
1516	undef $MAP_PREFETCHER;	2144	undef $MAP_PREFETCHER;
1517	};	2145	};
1518	$MAP_PREFETCHER->prio (6);	2146	$MAP_PREFETCHER->prio (6);
…		…
1521	}	2149	}
1522		2150
1523	sub save {	2151	sub save {
1524	my ($self) = @_;	2152	my ($self) = @_;
1525		2153
1526	my $lock = cf::lock_acquire "map_data:" . $self->path;	2154	my $lock = cf::lock_acquire "map_data:$self->{path}";
1527		2155
1528	$self->{last_save} = $cf::RUNTIME;	2156	$self->{last_save} = $cf::RUNTIME;
1529		2157
1530	return unless $self->dirty;	2158	return unless $self->dirty;
1531		2159
…		…
1537	return if $self->{deny_save};	2165	return if $self->{deny_save};
1538		2166
1539	local $self->{last_access} = $self->last_access;#d#	2167	local $self->{last_access} = $self->last_access;#d#
1540		2168
1541	cf::async {	2169	cf::async {
		2170	$Coro::current->{desc} = "map player save";
1542	$_->contr->save for $self->players;	2171	$_->contr->save for $self->players;
1543	};	2172	};
		2173
		2174	cf::get_slot 0.02;
1544		2175
1545	if ($uniq) {	2176	if ($uniq) {
1546	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2177	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1547	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2178	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1548	} else {	2179	} else {
…		…
1554	my ($self) = @_;	2185	my ($self) = @_;
1555		2186
1556	# save first because save cedes	2187	# save first because save cedes
1557	$self->save;	2188	$self->save;
1558		2189
1559	my $lock = cf::lock_acquire "map_data:" . $self->path;	2190	my $lock = cf::lock_acquire "map_data:$self->{path}";
1560		2191
1561	return if $self->players;	2192	return if $self->players;
1562	return if $self->in_memory != cf::MAP_IN_MEMORY;	2193	return if $self->in_memory != cf::MAP_ACTIVE;
1563	return if $self->{deny_save};	2194	return if $self->{deny_save};
1564		2195
		2196	$self->in_memory (cf::MAP_SWAPPED);
		2197
		2198	$self->deactivate;
		2199	$_->clear_links_to ($self) for values %cf::MAP;
1565	$self->clear;	2200	$self->clear;
1566	$self->in_memory (cf::MAP_SWAPPED);
1567	}	2201	}
1568		2202
1569	sub reset_at {	2203	sub reset_at {
1570	my ($self) = @_;	2204	my ($self) = @_;
1571		2205
1572	# TODO: safety, remove and allow resettable per-player maps	2206	# TODO: safety, remove and allow resettable per-player maps
1573	return 1e99 if $self->isa ("ext::map_per_player");#d#
1574	return 1e99 if $self->{deny_reset};	2207	return 1e99 if $self->{deny_reset};
1575		2208
1576	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2209	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1577	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;
1578		2211
…		…
1589	my ($self) = @_;	2222	my ($self) = @_;
1590		2223
1591	my $lock = cf::lock_acquire "map_data:$self->{path}";	2224	my $lock = cf::lock_acquire "map_data:$self->{path}";
1592		2225
1593	return if $self->players;	2226	return if $self->players;
1594	return if $self->isa ("ext::map_per_player");#d#
1595		2227
1596	warn "resetting map ", $self->path;#d#	2228	warn "resetting map ", $self->path;
1597		2229
1598	$self->in_memory (cf::MAP_SWAPPED);	2230	$self->in_memory (cf::MAP_SWAPPED);
1599		2231
1600	# need to save uniques path	2232	# need to save uniques path
1601	unless ($self->{deny_save}) {	2233	unless ($self->{deny_save}) {
…		…
1605	if $uniq;	2237	if $uniq;
1606	}	2238	}
1607		2239
1608	delete $cf::MAP{$self->path};	2240	delete $cf::MAP{$self->path};
1609		2241
		2242	$self->deactivate;
		2243	$_->clear_links_to ($self) for values %cf::MAP;
1610	$self->clear;	2244	$self->clear;
1611
1612	$_->clear_links_to ($self) for values %cf::MAP;
1613		2245
1614	$self->unlink_save;	2246	$self->unlink_save;
1615	$self->destroy;	2247	$self->destroy;
1616	}	2248	}
1617		2249
1618	my $nuke_counter = "aaaa";	2250	my $nuke_counter = "aaaa";
1619		2251
1620	sub nuke {	2252	sub nuke {
1621	my ($self) = @_;	2253	my ($self) = @_;
1622		2254
		2255	{
		2256	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2257
1623	delete $cf::MAP{$self->path};	2258	delete $cf::MAP{$self->path};
1624		2259
1625	$self->unlink_save;	2260	$self->unlink_save;
1626		2261
1627	bless $self, "cf::map";	2262	bless $self, "cf::map";
1628	delete $self->{deny_reset};	2263	delete $self->{deny_reset};
1629	$self->{deny_save} = 1;	2264	$self->{deny_save} = 1;
1630	$self->reset_timeout (1);	2265	$self->reset_timeout (1);
1631	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2266	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1632		2267
1633	$cf::MAP{$self->path} = $self;	2268	$cf::MAP{$self->path} = $self;
		2269	}
1634		2270
1635	$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	]
1636	}	2308	}
1637		2309
1638	=item cf::map::unique_maps	2310	=item cf::map::unique_maps
1639		2311
1640	Returns an arrayref of paths of all shared maps that have	2312	Returns an arrayref of paths of all shared maps that have
1641	instantiated unique items. May block.	2313	instantiated unique items. May block.
1642		2314
1643	=cut	2315	=cut
1644		2316
1645	sub unique_maps() {	2317	sub unique_maps() {
1646	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2318	[
1647	or return;	2319	map {
1648
1649	my @paths;
1650
1651	for (@$files) {
1652	utf8::decode $_;	2320	utf8::decode $_;
1653	next if /\.pst$/;	2321	s/\.map$//; # TODO future compatibility hack
1654	next unless /^$PATH_SEP/o;	2322	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1655		2323	? ()
1656	push @paths, cf::map::normalise $_;	2324	: normalise $_
		2325	} @{ aio_readdir $UNIQUEDIR or [] }
1657	}	2326	]
1658
1659	\@paths
1660	}	2327	}
1661
1662	package cf;
1663		2328
1664	=back	2329	=back
1665		2330
1666	=head3 cf::object	2331	=head3 cf::object
1667		2332
…		…
1671		2336
1672	=over 4	2337	=over 4
1673		2338
1674	=item $ob->inv_recursive	2339	=item $ob->inv_recursive
1675		2340
1676	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.
1677		2343
1678	=cut	2344	=cut
1679		2345
1680	sub inv_recursive_;	2346	sub inv_recursive_;
1681	sub inv_recursive_ {	2347	sub inv_recursive_ {
…		…
1684		2350
1685	sub inv_recursive {	2351	sub inv_recursive {
1686	inv_recursive_ inv $_[0]	2352	inv_recursive_ inv $_[0]
1687	}	2353	}
1688		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
1689	package cf;	2383	package cf;
1690		2384
1691	=back	2385	=back
1692		2386
1693	=head3 cf::object::player	2387	=head3 cf::object::player
…		…
1699	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>
1700	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
1701	dialogue with the given NPC character.	2395	dialogue with the given NPC character.
1702		2396
1703	=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	};
1704		2412
1705	# rough implementation of a future "reply" method that works	2413	# rough implementation of a future "reply" method that works
1706	# with dialog boxes.	2414	# with dialog boxes.
1707	#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
1708	sub cf::object::player::reply($$$;$) {	2416	sub cf::object::player::reply($$$;$) {
…		…
1710		2418
1711	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2419	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1712		2420
1713	if ($self->{record_replies}) {	2421	if ($self->{record_replies}) {
1714	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2422	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2423
1715	} 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 {
1716	$msg = $npc->name . " says: $msg" if $npc;	2432	$msg = $npc->name . " says: $msg" if $npc;
1717	$self->message ($msg, $flags);	2433	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2434	}
1718	}	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 (@_);
1719	}	2446	}
1720		2447
1721	=item $player_object->may ("access")	2448	=item $player_object->may ("access")
1722		2449
1723	Returns wether the given player is authorized to access resource "access"	2450	Returns wether the given player is authorized to access resource "access"
…		…
1736		2463
1737	=item $player_object->enter_link	2464	=item $player_object->enter_link
1738		2465
1739	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}>).
1740		2467
1741	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.
1742	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.
1743		2472
1744	Will never block.	2473	Will never block.
1745		2474
1746	=item $player_object->leave_link ($map, $x, $y)	2475	=item $player_object->leave_link ($map, $x, $y)
1747		2476
…		…
1770	$self->deactivate_recursive;	2499	$self->deactivate_recursive;
1771		2500
1772	return if UNIVERSAL::isa $self->map, "ext::map_link";	2501	return if UNIVERSAL::isa $self->map, "ext::map_link";
1773		2502
1774	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2503	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1775	if $self->map;	2504	if $self->map && $self->map->{path} ne "{link}";
1776		2505
1777	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2506	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1778	}	2507	}
1779		2508
1780	sub cf::object::player::leave_link {	2509	sub cf::object::player::leave_link {
1781	my ($self, $map, $x, $y) = @_;	2510	my ($self, $map, $x, $y) = @_;
		2511
		2512	return unless $self->contr->active;
1782		2513
1783	my $link_pos = delete $self->{_link_pos};	2514	my $link_pos = delete $self->{_link_pos};
1784		2515
1785	unless ($map) {	2516	unless ($map) {
1786	# restore original map position	2517	# restore original map position
…		…
1800	# use -1 or undef as default coordinates, not 0, 0	2531	# use -1 or undef as default coordinates, not 0, 0
1801	($x, $y) = ($map->enter_x, $map->enter_y)	2532	($x, $y) = ($map->enter_x, $map->enter_y)
1802	if $x <=0 && $y <= 0;	2533	if $x <=0 && $y <= 0;
1803		2534
1804	$map->load;	2535	$map->load;
1805	$map->load_diag;	2536	$map->load_neighbours;
1806		2537
1807	return unless $self->contr->active;	2538	return unless $self->contr->active;
		2539	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1808	$self->activate_recursive;	2540	$self->activate_recursive;
1809		2541
1810	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2542	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1811	$self->enter_map ($map, $x, $y);	2543	$self->enter_map ($map, $x, $y);
1812	}	2544	}
1813		2545
1814	cf::player->attach (	2546	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1815	on_logout => sub {
1816	my ($pl) = @_;
1817		2547
1818	# abort map switching before logout	2548	Moves the player to the given map-path and coordinates by first freezing
1819	if ($pl->ob->{_link_pos}) {	2549	her, loading and preparing them map, calling the provided $check callback
1820	cf::sync_job {	2550	that has to return the map if sucecssful, and then unfreezes the player on
1821	$pl->ob->leave_link	2551	the new (success) or old (failed) map position. In either case, $done will
1822	};	2552	be called at the end of this process.
1823	}
1824	},
1825	on_login => sub {
1826	my ($pl) = @_;
1827		2553
1828	# try to abort aborted map switching on player login :)	2554	Note that $check will be called with a potentially non-loaded map, so if
1829	# should happen only on crashes	2555	it needs a loaded map it has to call C<< ->load >>.
1830	if ($pl->ob->{_link_pos}) {
1831	$pl->ob->enter_link;
1832	(async {
1833	$pl->ob->reply (undef,
1834	"There was an internal problem at your last logout, "
1835	. "the server will try to bring you to your intended destination in a second.",
1836	cf::NDI_RED);
1837	# we need this sleep as the login has a concurrent enter_exit running
1838	# and this sleep increases chances of the player not ending up in scorn
1839	Coro::Timer::sleep 1;
1840	$pl->ob->leave_link;
1841	})->prio (2);
1842	}
1843	},
1844	);
1845		2556
1846	=item $player_object->goto ($path, $x, $y)
1847
1848	=cut	2557	=cut
		2558
		2559	our $GOTOGEN;
1849		2560
1850	sub cf::object::player::goto {	2561	sub cf::object::player::goto {
1851	my ($self, $path, $x, $y) = @_;	2562	my ($self, $path, $x, $y, $check, $done) = @_;
		2563
		2564	# do generation counting so two concurrent goto's will be executed in-order
		2565	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1852		2566
1853	$self->enter_link;	2567	$self->enter_link;
1854		2568
1855	(async {	2569	(async {
		2570	$Coro::current->{desc} = "player::goto $path $x $y";
		2571
		2572	# *tag paths override both path and x|y
		2573	if ($path =~ /^\*(.*)$/) {
		2574	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2575	my $ob = $obs[rand @obs];
		2576
		2577	# see if we actually can go there
		2578	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2579	$ob = $obs[rand @obs];
		2580	} else {
		2581	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2582	}
		2583	# else put us there anyways for now #d#
		2584
		2585	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2586	} else {
		2587	($path, $x, $y) = (undef, undef, undef);
		2588	}
		2589	}
		2590
1856	my $map = eval {	2591	my $map = eval {
1857	my $map = cf::map::find $path;	2592	my $map = defined $path ? cf::map::find $path : undef;
		2593
		2594	if ($map) {
1858	$map = $map->customise_for ($self) if $map;	2595	$map = $map->customise_for ($self);
		2596	$map = $check->($map) if $check && $map;
		2597	} else {
		2598	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2599	}
		2600
1859	$map	2601	$map
		2602	};
		2603
		2604	if ($@) {
		2605	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2606	LOG llevError | logBacktrace, Carp::longmess $@;
1860	} or	2607	}
1861	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1862		2608
		2609	if ($gen == $self->{_goto_generation}) {
		2610	delete $self->{_goto_generation};
1863	$self->leave_link ($map, $x, $y);	2611	$self->leave_link ($map, $x, $y);
		2612	}
		2613
		2614	$done->() if $done;
1864	})->prio (1);	2615	})->prio (1);
1865	}	2616	}
1866		2617
1867	=item $player_object->enter_exit ($exit_object)	2618	=item $player_object->enter_exit ($exit_object)
1868		2619
…		…
1888	}	2639	}
1889		2640
1890	sub prepare_random_map {	2641	sub prepare_random_map {
1891	my ($exit) = @_;	2642	my ($exit) = @_;
1892		2643
1893	my $guard = cf::lock_acquire "exit_prepare:$exit";
1894
1895	# all this does is basically replace the /! path by	2644	# all this does is basically replace the /! path by
1896	# a new random map path (?random/...) with a seed	2645	# a new random map path (?random/...) with a seed
1897	# that depends on the exit object	2646	# that depends on the exit object
1898		2647
1899	my $rmp = parse_random_map_params $exit->msg;	2648	my $rmp = parse_random_map_params $exit->msg;
…		…
1901	if ($exit->map) {	2650	if ($exit->map) {
1902	$rmp->{region} = $exit->region->name;	2651	$rmp->{region} = $exit->region->name;
1903	$rmp->{origin_map} = $exit->map->path;	2652	$rmp->{origin_map} = $exit->map->path;
1904	$rmp->{origin_x} = $exit->x;	2653	$rmp->{origin_x} = $exit->x;
1905	$rmp->{origin_y} = $exit->y;	2654	$rmp->{origin_y} = $exit->y;
		2655
		2656	$exit->map->touch;
1906	}	2657	}
1907		2658
1908	$rmp->{random_seed} ||= $exit->random_seed;	2659	$rmp->{random_seed} ||= $exit->random_seed;
1909		2660
1910	my $data = cf::to_json $rmp;	2661	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1911	my $md5 = Digest::MD5::md5_hex $data;	2662	my $md5 = Digest::MD5::md5_hex $data;
1912	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2663	my $meta = "$RANDOMDIR/$md5.meta";
1913		2664
1914	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2665	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1915	aio_write $fh, 0, (length $data), $data, 0;	2666	aio_write $fh, 0, (length $data), $data, 0;
1916	undef $fh;	2667	undef $fh;
1917	aio_rename "$meta~", $meta;	2668	aio_rename "$meta~", $meta;
1918		2669
		2670	my $slaying = "?random/$md5";
		2671
		2672	if ($exit->valid) {
1919	$exit->slaying ("?random/$md5");	2673	$exit->slaying ("?random/$md5");
1920	$exit->msg (undef);	2674	$exit->msg (undef);
		2675	}
1921	}	2676	}
1922	}	2677	}
1923		2678
1924	sub cf::object::player::enter_exit {	2679	sub cf::object::player::enter_exit {
1925	my ($self, $exit) = @_;	2680	my ($self, $exit) = @_;
1926		2681
1927	return unless $self->type == cf::PLAYER;	2682	return unless $self->type == cf::PLAYER;
1928		2683
1929	if ($exit->slaying eq "/!") {
1930	#TODO: this should de-fi-ni-te-ly not be a sync-job
1931	cf::sync_job { prepare_random_map $exit };
1932	}
1933
1934	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1935	my $hp = $exit->stats->hp;
1936	my $sp = $exit->stats->sp;
1937
1938	$self->enter_link;	2684	$self->enter_link;
1939		2685
1940	(async {	2686	(async {
1941	$self->deactivate_recursive; # just to be sure	2687	$Coro::current->{desc} = "enter_exit";
		2688
1942	unless (eval {	2689	unless (eval {
		2690	$self->deactivate_recursive; # just to be sure
		2691
		2692	# random map handling
		2693	{
		2694	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2695
		2696	prepare_random_map $exit
		2697	if $exit->slaying eq "/!";
		2698	}
		2699
		2700	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2701	my $x = $exit->stats->hp;
		2702	my $y = $exit->stats->sp;
		2703
1943	$self->goto ($slaying, $hp, $sp);	2704	$self->goto ($map, $x, $y);
1944		2705
		2706	# if exit is damned, update players death & WoR home-position
		2707	$self->contr->savebed ($map, $x, $y)
		2708	if $exit->flag (cf::FLAG_DAMNED);
		2709
1945	1;	2710	1
1946	}) {	2711	}) {
1947	$self->message ("Something went wrong deep within the crossfire server. "	2712	$self->message ("Something went wrong deep within the deliantra server. "
1948	. "I'll try to bring you back to the map you were before. "	2713	. "I'll try to bring you back to the map you were before. "
1949	. "Please report this to the dungeon master!",	2714	. "Please report this to the dungeon master!",
1950	cf::NDI_UNIQUE | cf::NDI_RED);	2715	cf::NDI_UNIQUE | cf::NDI_RED);
1951		2716
1952	warn "ERROR in enter_exit: $@";	2717	warn "ERROR in enter_exit: $@";
1953	$self->leave_link;	2718	$self->leave_link;
1954	}	2719	}
1955	})->prio (1);	2720	})->prio (1);
…		…
1968		2733
1969	sub cf::client::send_drawinfo {	2734	sub cf::client::send_drawinfo {
1970	my ($self, $text, $flags) = @_;	2735	my ($self, $text, $flags) = @_;
1971		2736
1972	utf8::encode $text;	2737	utf8::encode $text;
1973	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2738	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1974	}	2739	}
1975		2740
		2741	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2742
		2743	Send a drawinfo or msg packet to the client, formatting the msg for the
		2744	client if neccessary. C<$type> should be a string identifying the type of
		2745	the message, with C<log> being the default. If C<$color> is negative, suppress
		2746	the message unless the client supports the msg packet.
		2747
		2748	=cut
		2749
		2750	# non-persistent channels (usually the info channel)
		2751	our %CHANNEL = (
		2752	"c/identify" => {
		2753	id => "infobox",
		2754	title => "Identify",
		2755	reply => undef,
		2756	tooltip => "Items recently identified",
		2757	},
		2758	"c/examine" => {
		2759	id => "infobox",
		2760	title => "Examine",
		2761	reply => undef,
		2762	tooltip => "Signs and other items you examined",
		2763	},
		2764	"c/book" => {
		2765	id => "infobox",
		2766	title => "Book",
		2767	reply => undef,
		2768	tooltip => "The contents of a note or book",
		2769	},
		2770	"c/lookat" => {
		2771	id => "infobox",
		2772	title => "Look",
		2773	reply => undef,
		2774	tooltip => "What you saw there",
		2775	},
		2776	"c/who" => {
		2777	id => "infobox",
		2778	title => "Players",
		2779	reply => undef,
		2780	tooltip => "Shows players who are currently online",
		2781	},
		2782	"c/body" => {
		2783	id => "infobox",
		2784	title => "Body Parts",
		2785	reply => undef,
		2786	tooltip => "Shows which body parts you posess and are available",
		2787	},
		2788	"c/statistics" => {
		2789	id => "infobox",
		2790	title => "Statistics",
		2791	reply => undef,
		2792	tooltip => "Shows your primary statistics",
		2793	},
		2794	"c/skills" => {
		2795	id => "infobox",
		2796	title => "Skills",
		2797	reply => undef,
		2798	tooltip => "Shows your experience per skill and item power",
		2799	},
		2800	"c/shopitems" => {
		2801	id => "infobox",
		2802	title => "Shop Items",
		2803	reply => undef,
		2804	tooltip => "Shows the items currently for sale in this shop",
		2805	},
		2806	"c/resistances" => {
		2807	id => "infobox",
		2808	title => "Resistances",
		2809	reply => undef,
		2810	tooltip => "Shows your resistances",
		2811	},
		2812	"c/pets" => {
		2813	id => "infobox",
		2814	title => "Pets",
		2815	reply => undef,
		2816	tooltip => "Shows information abotu your pets/a specific pet",
		2817	},
		2818	"c/perceiveself" => {
		2819	id => "infobox",
		2820	title => "Perceive Self",
		2821	reply => undef,
		2822	tooltip => "You gained detailed knowledge about yourself",
		2823	},
		2824	"c/uptime" => {
		2825	id => "infobox",
		2826	title => "Uptime",
		2827	reply => undef,
		2828	tooltip => "How long the server has been running since last restart",
		2829	},
		2830	"c/mapinfo" => {
		2831	id => "infobox",
		2832	title => "Map Info",
		2833	reply => undef,
		2834	tooltip => "Information related to the maps",
		2835	},
		2836	"c/party" => {
		2837	id => "party",
		2838	title => "Party",
		2839	reply => "gsay ",
		2840	tooltip => "Messages and chat related to your party",
		2841	},
		2842	"c/death" => {
		2843	id => "death",
		2844	title => "Death",
		2845	reply => undef,
		2846	tooltip => "Reason for and more info about your most recent death",
		2847	},
		2848	"c/say" => $SAY_CHANNEL,
		2849	"c/chat" => $CHAT_CHANNEL,
		2850	);
		2851
		2852	sub cf::client::send_msg {
		2853	my ($self, $channel, $msg, $color, @extra) = @_;
		2854
		2855	$msg = $self->pl->expand_cfpod ($msg)
		2856	unless $color & cf::NDI_VERBATIM;
		2857
		2858	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2859
		2860	# check predefined channels, for the benefit of C
		2861	if ($CHANNEL{$channel}) {
		2862	$channel = $CHANNEL{$channel};
		2863
		2864	$self->ext_msg (channel_info => $channel);
		2865	$channel = $channel->{id};
		2866
		2867	} elsif (ref $channel) {
		2868	# send meta info to client, if not yet sent
		2869	unless (exists $self->{channel}{$channel->{id}}) {
		2870	$self->{channel}{$channel->{id}} = $channel;
		2871	$self->ext_msg (channel_info => $channel);
		2872	}
		2873
		2874	$channel = $channel->{id};
		2875	}
		2876
		2877	return unless @extra || length $msg;
		2878
		2879	# default colour, mask it out
		2880	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2881	if $color & cf::NDI_DEF;
		2882
		2883	my $pkt = "msg "
		2884	. $self->{json_coder}->encode (
		2885	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2886	);
		2887
		2888	# try lzf for large packets
		2889	$pkt = "lzf " . Compress::LZF::compress $pkt
		2890	if 1024 <= length $pkt and $self->{can_lzf};
		2891
		2892	# split very large packets
		2893	if (8192 < length $pkt and $self->{can_lzf}) {
		2894	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2895	$pkt = "frag";
		2896	}
		2897
		2898	$self->send_packet ($pkt);
		2899	}
		2900
		2901	=item $client->ext_msg ($type, @msg)
		2902
		2903	Sends an ext event to the client.
		2904
		2905	=cut
		2906
		2907	sub cf::client::ext_msg($$@) {
		2908	my ($self, $type, @msg) = @_;
		2909
		2910	if ($self->extcmd == 2) {
		2911	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2912	} elsif ($self->extcmd == 1) { # TODO: remove
		2913	push @msg, msgtype => "event_$type";
		2914	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2915	}
		2916	}
		2917
		2918	=item $client->ext_reply ($msgid, @msg)
		2919
		2920	Sends an ext reply to the client.
		2921
		2922	=cut
		2923
		2924	sub cf::client::ext_reply($$@) {
		2925	my ($self, $id, @msg) = @_;
		2926
		2927	if ($self->extcmd == 2) {
		2928	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2929	} elsif ($self->extcmd == 1) {
		2930	#TODO: version 1, remove
		2931	unshift @msg, msgtype => "reply", msgid => $id;
		2932	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2933	}
		2934	}
1976		2935
1977	=item $success = $client->query ($flags, "text", \&cb)	2936	=item $success = $client->query ($flags, "text", \&cb)
1978		2937
1979	Queues a query to the client, calling the given callback with	2938	Queues a query to the client, calling the given callback with
1980	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2939	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1981	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2940	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1982		2941
1983	Queries can fail, so check the return code. Or don't, as queries will become	2942	Queries can fail, so check the return code. Or don't, as queries will
1984	reliable at some point in the future.	2943	become reliable at some point in the future.
1985		2944
1986	=cut	2945	=cut
1987		2946
1988	sub cf::client::query {	2947	sub cf::client::query {
1989	my ($self, $flags, $text, $cb) = @_;	2948	my ($self, $flags, $text, $cb) = @_;
…		…
1997	utf8::encode $text;	2956	utf8::encode $text;
1998	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2957	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1999		2958
2000	$self->send_packet ($self->{query_queue}[0][0])	2959	$self->send_packet ($self->{query_queue}[0][0])
2001	if @{ $self->{query_queue} } == 1;	2960	if @{ $self->{query_queue} } == 1;
		2961
		2962	1
2002	}	2963	}
2003		2964
2004	cf::client->attach (	2965	cf::client->attach (
		2966	on_connect => sub {
		2967	my ($ns) = @_;
		2968
		2969	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2970	},
2005	on_reply => sub {	2971	on_reply => sub {
2006	my ($ns, $msg) = @_;	2972	my ($ns, $msg) = @_;
2007		2973
2008	# this weird shuffling is so that direct followup queries	2974	# this weird shuffling is so that direct followup queries
2009	# get handled first	2975	# get handled first
…		…
2021	} else {	2987	} else {
2022	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2988	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2023	}	2989	}
2024	}	2990	}
2025	},	2991	},
		2992	on_exticmd => sub {
		2993	my ($ns, $buf) = @_;
		2994
		2995	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2996
		2997	if (ref $msg) {
		2998	my ($type, $reply, @payload) =
		2999	"ARRAY" eq ref $msg
		3000	? @$msg
		3001	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3002
		3003	my @reply;
		3004
		3005	if (my $cb = $EXTICMD{$type}) {
		3006	@reply = $cb->($ns, @payload);
		3007	}
		3008
		3009	$ns->ext_reply ($reply, @reply)
		3010	if $reply;
		3011
		3012	} else {
		3013	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3014	}
		3015
		3016	cf::override;
		3017	},
2026	);	3018	);
2027		3019
2028	=item $client->async (\&cb)	3020	=item $client->async (\&cb)
2029		3021
2030	Create a new coroutine, running the specified callback. The coroutine will	3022	Create a new coroutine, running the specified callback. The coroutine will
…		…
2071	our $safe = new Safe "safe";	3063	our $safe = new Safe "safe";
2072	our $safe_hole = new Safe::Hole;	3064	our $safe_hole = new Safe::Hole;
2073		3065
2074	$SIG{FPE} = 'IGNORE';	3066	$SIG{FPE} = 'IGNORE';
2075		3067
2076	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3068	$safe->permit_only (Opcode::opset qw(
		3069	:base_core :base_mem :base_orig :base_math
		3070	grepstart grepwhile mapstart mapwhile
		3071	sort time
		3072	));
2077		3073
2078	# here we export the classes and methods available to script code	3074	# here we export the classes and methods available to script code
2079		3075
2080	=pod	3076	=pod
2081		3077
2082	The following fucntions and emthods are available within a safe environment:	3078	The following functions and methods are available within a safe environment:
2083		3079
2084	cf::object contr pay_amount pay_player map	3080	cf::object
		3081	contr pay_amount pay_player map x y force_find force_add destroy
		3082	insert remove name archname title slaying race decrease split
		3083	value
		3084
2085	cf::object::player player	3085	cf::object::player
2086	cf::player peaceful	3086	player
2087	cf::map trigger	3087
		3088	cf::player
		3089	peaceful
		3090
		3091	cf::map
		3092	trigger
2088		3093
2089	=cut	3094	=cut
2090		3095
2091	for (	3096	for (
2092	["cf::object" => qw(contr pay_amount pay_player map)],	3097	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3098	insert remove inv nrof name archname title slaying race
		3099	decrease split destroy change_exp value msg lore send_msg)],
2093	["cf::object::player" => qw(player)],	3100	["cf::object::player" => qw(player)],
2094	["cf::player" => qw(peaceful)],	3101	["cf::player" => qw(peaceful send_msg)],
2095	["cf::map" => qw(trigger)],	3102	["cf::map" => qw(trigger)],
2096	) {	3103	) {
2097	no strict 'refs';	3104	no strict 'refs';
2098	my ($pkg, @funs) = @$_;	3105	my ($pkg, @funs) = @$_;
2099	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3106	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2116	my ($code, %vars) = @_;	3123	my ($code, %vars) = @_;
2117		3124
2118	my $qcode = $code;	3125	my $qcode = $code;
2119	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3126	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2120	$qcode =~ s/\n/\\n/g;	3127	$qcode =~ s/\n/\\n/g;
		3128
		3129	%vars = (_dummy => 0) unless %vars;
2121		3130
2122	local $_;	3131	local $_;
2123	local @safe::cf::_safe_eval_args = values %vars;	3132	local @safe::cf::_safe_eval_args = values %vars;
2124		3133
2125	my $eval =	3134	my $eval =
…		…
2168	=back	3177	=back
2169		3178
2170	=cut	3179	=cut
2171		3180
2172	#############################################################################	3181	#############################################################################
2173
2174	=head2 EXTENSION DATABASE SUPPORT
2175
2176	Crossfire maintains a very simple database for extension use. It can
2177	currently store anything that can be serialised using Storable, which
2178	excludes objects.
2179
2180	The parameter C<$family> should best start with the name of the extension
2181	using it, it should be unique.
2182
2183	=over 4
2184
2185	=item $value = cf::db_get $family => $key
2186
2187	Returns a single value from the database.
2188
2189	=item cf::db_put $family => $key => $value
2190
2191	Stores the given C<$value> in the family.
2192
2193	=cut
2194
2195	our $DB;
2196
2197	sub db_init {
2198	unless ($DB) {
2199	$DB = BDB::db_create $DB_ENV;
2200
2201	cf::sync_job {
2202	eval {
2203	$DB->set_flags (BDB::CHKSUM);
2204
2205	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2206	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2207	cf::cleanup "db_open(db): $!" if $!;
2208	};
2209	cf::cleanup "db_open(db): $@" if $@;
2210	};
2211
2212	my $path = cf::localdir . "/database.pst";
2213	if (stat $path) {
2214	cf::sync_job {
2215	my $pst = Storable::retrieve $path;
2216
2217	cf::db_put (board => data => $pst->{board});
2218	cf::db_put (guildrules => data => $pst->{guildrules});
2219	cf::db_put (rent => balance => $pst->{rent}{balance});
2220	BDB::db_env_txn_checkpoint $DB_ENV;
2221
2222	unlink $path;
2223	};
2224	}
2225	}
2226	}
2227
2228	sub db_get($$) {
2229	my $key = "$_[0]/$_[1]";
2230
2231	cf::sync_job {
2232	BDB::db_get $DB, undef, $key, my $data;
2233
2234	$! ? ()
2235	: Compress::LZF::sthaw $data
2236	}
2237	}
2238
2239	sub db_put($$$) {
2240	BDB::dbreq_pri 4;
2241	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2242	}
2243
2244	#############################################################################
2245	# the server's init and main functions	3182	# the server's init and main functions
2246		3183
2247	sub init_resources {	3184	sub load_facedata($) {
2248	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3185	my ($path) = @_;
		3186
		3187	# HACK to clear player env face cache, we need some signal framework
		3188	# for this (global event?)
		3189	%ext::player_env::MUSIC_FACE_CACHE = ();
		3190
		3191	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3192
		3193	warn "loading facedata from $path\n";
		3194
		3195	my $facedata;
		3196	0 < aio_load $path, $facedata
		3197	or die "$path: $!";
		3198
		3199	$facedata = Coro::Storable::thaw $facedata;
		3200
		3201	$facedata->{version} == 2
		3202	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3203
		3204	# patch in the exptable
		3205	$facedata->{resource}{"res/exp_table"} = {
		3206	type => FT_RSRC,
		3207	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3208	};
		3209	cf::cede_to_tick;
		3210
		3211	{
		3212	my $faces = $facedata->{faceinfo};
		3213
		3214	while (my ($face, $info) = each %$faces) {
		3215	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3216
		3217	cf::face::set_visibility $idx, $info->{visibility};
		3218	cf::face::set_magicmap $idx, $info->{magicmap};
		3219	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3220	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3221
		3222	cf::cede_to_tick;
		3223	}
		3224
		3225	while (my ($face, $info) = each %$faces) {
		3226	next unless $info->{smooth};
		3227
		3228	my $idx = cf::face::find $face
		3229	or next;
		3230
		3231	if (my $smooth = cf::face::find $info->{smooth}) {
		3232	cf::face::set_smooth $idx, $smooth;
		3233	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3234	} else {
		3235	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3236	}
		3237
		3238	cf::cede_to_tick;
		3239	}
		3240	}
		3241
		3242	{
		3243	my $anims = $facedata->{animinfo};
		3244
		3245	while (my ($anim, $info) = each %$anims) {
		3246	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3247	cf::cede_to_tick;
		3248	}
		3249
		3250	cf::anim::invalidate_all; # d'oh
		3251	}
		3252
		3253	{
		3254	# TODO: for gcfclient pleasure, we should give resources
		3255	# that gcfclient doesn't grok a >10000 face index.
		3256	my $res = $facedata->{resource};
		3257
		3258	while (my ($name, $info) = each %$res) {
		3259	if (defined $info->{type}) {
		3260	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3261	my $data;
		3262
		3263	if ($info->{type} & 1) {
		3264	# prepend meta info
		3265
		3266	my $meta = $enc->encode ({
		3267	name => $name,
		3268	%{ $info->{meta} || {} },
		3269	});
		3270
		3271	$data = pack "(w/a*)*", $meta, $info->{data};
		3272	} else {
		3273	$data = $info->{data};
		3274	}
		3275
		3276	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3277	cf::face::set_type $idx, $info->{type};
		3278	} else {
		3279	$RESOURCE{$name} = $info;
		3280	}
		3281
		3282	cf::cede_to_tick;
		3283	}
		3284	}
		3285
		3286	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3287
		3288	1
		3289	}
		3290
		3291	cf::global->attach (on_resource_update => sub {
		3292	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3293	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3294
		3295	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3296	my $sound = $soundconf->{compat}[$_]
		3297	or next;
		3298
		3299	my $face = cf::face::find "sound/$sound->[1]";
		3300	cf::sound::set $sound->[0] => $face;
		3301	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3302	}
		3303
		3304	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3305	my $face = cf::face::find "sound/$v";
		3306	cf::sound::set $k => $face;
		3307	}
		3308	}
		3309	});
		3310
		3311	register_exticmd fx_want => sub {
		3312	my ($ns, $want) = @_;
		3313
		3314	while (my ($k, $v) = each %$want) {
		3315	$ns->fx_want ($k, $v);
		3316	}
		3317	};
		3318
		3319	sub load_resource_file($) {
		3320	my $guard = lock_acquire "load_resource_file";
		3321
		3322	my $status = load_resource_file_ $_[0];
		3323	get_slot 0.1, 100;
		3324	cf::arch::commit_load;
		3325
		3326	$status
		3327	}
		3328
		3329	sub reload_regions {
		3330	# HACK to clear player env face cache, we need some signal framework
		3331	# for this (global event?)
		3332	%ext::player_env::MUSIC_FACE_CACHE = ();
		3333
		3334	load_resource_file "$MAPDIR/regions"
2249	or die "unable to load regions file\n";#d#	3335	or die "unable to load regions file\n";
2250	}
2251		3336
2252	sub cfg_load {	3337	for (cf::region::list) {
		3338	$_->{match} = qr/$_->{match}/
		3339	if exists $_->{match};
		3340	}
		3341	}
		3342
		3343	sub reload_facedata {
		3344	load_facedata "$DATADIR/facedata"
		3345	or die "unable to load facedata\n";
		3346	}
		3347
		3348	sub reload_archetypes {
		3349	load_resource_file "$DATADIR/archetypes"
		3350	or die "unable to load archetypes\n";
		3351	}
		3352
		3353	sub reload_treasures {
		3354	load_resource_file "$DATADIR/treasures"
		3355	or die "unable to load treasurelists\n";
		3356	}
		3357
		3358	sub reload_resources {
		3359	warn "reloading resource files...\n";
		3360
		3361	reload_facedata;
		3362	reload_archetypes;
		3363	reload_regions;
		3364	reload_treasures;
		3365
		3366	warn "finished reloading resource files\n";
		3367	}
		3368
		3369	sub reload_config {
2253	open my $fh, "<:utf8", cf::confdir . "/config"	3370	open my $fh, "<:utf8", "$CONFDIR/config"
2254	or return;	3371	or return;
2255		3372
2256	local $/;	3373	local $/;
2257	*CFG = YAML::Syck::Load <$fh>;	3374	*CFG = YAML::Load <$fh>;
2258		3375
2259	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3376	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2260		3377
2261	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3378	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2262	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3379	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2268	};	3385	};
2269	warn $@ if $@;	3386	warn $@ if $@;
2270	}	3387	}
2271	}	3388	}
2272		3389
2273	sub init {	3390	sub pidfile() {
2274	init_resources;	3391	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3392	or die "$PIDFILE: $!";
		3393	flock $fh, &Fcntl::LOCK_EX
		3394	or die "$PIDFILE: flock: $!";
		3395	$fh
		3396	}
		3397
		3398	# make sure only one server instance is running at any one time
		3399	sub atomic {
		3400	my $fh = pidfile;
		3401
		3402	my $pid = <$fh>;
		3403	kill 9, $pid if $pid > 0;
		3404
		3405	seek $fh, 0, 0;
		3406	print $fh $$;
		3407	}
		3408
		3409	sub main_loop {
		3410	warn "EV::loop starting\n";
		3411	if (1) {
		3412	EV::loop;
		3413	}
		3414	warn "EV::loop returned\n";
		3415	goto &main_loop unless $REALLY_UNLOOP;
2275	}	3416	}
2276		3417
2277	sub main {	3418	sub main {
		3419	cf::init_globals; # initialise logging
		3420
		3421	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3422	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3423	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3424	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3425
		3426	cf::init_experience;
		3427	cf::init_anim;
		3428	cf::init_attackmess;
		3429	cf::init_dynamic;
		3430
		3431	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3432
2278	# we must not ever block the main coroutine	3433	# we must not ever block the main coroutine
2279	local $Coro::idle = sub {	3434	local $Coro::idle = sub {
2280	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3435	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2281	(async {	3436	(async {
2282	Event::one_event;	3437	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3438	EV::loop EV::LOOP_ONESHOT;
2283	})->prio (Coro::PRIO_MAX);	3439	})->prio (Coro::PRIO_MAX);
2284	};	3440	};
2285		3441
2286	cfg_load;	3442	evthread_start IO::AIO::poll_fileno;
		3443
		3444	cf::sync_job {
		3445	reload_resources;
		3446	reload_config;
2287	db_init;	3447	db_init;
		3448
		3449	cf::load_settings;
		3450	cf::load_materials;
		3451	cf::init_uuid;
		3452	cf::init_signals;
		3453	cf::init_commands;
		3454	cf::init_skills;
		3455
		3456	cf::init_beforeplay;
		3457
		3458	atomic;
		3459
2288	load_extensions;	3460	load_extensions;
2289		3461
2290	$TICK_WATCHER->start;	3462	utime time, time, $RUNTIMEFILE;
2291	Event::loop;	3463
		3464	# no (long-running) fork's whatsoever before this point(!)
		3465	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3466
		3467	(pop @POST_INIT)->(0) while @POST_INIT;
		3468	};
		3469
		3470	main_loop;
2292	}	3471	}
2293		3472
2294	#############################################################################	3473	#############################################################################
2295	# initialisation and cleanup	3474	# initialisation and cleanup
2296		3475
2297	# install some emergency cleanup handlers	3476	# install some emergency cleanup handlers
2298	BEGIN {	3477	BEGIN {
		3478	our %SIGWATCHER = ();
2299	for my $signal (qw(INT HUP TERM)) {	3479	for my $signal (qw(INT HUP TERM)) {
2300	Event->signal (	3480	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2301	reentrant => 0,
2302	data => WF_AUTOCANCEL,
2303	signal => $signal,
2304	prio => 0,
2305	cb => sub {
2306	cf::cleanup "SIG$signal";	3481	cf::cleanup "SIG$signal";
2307	},
2308	);	3482	};
		3483	}
		3484	}
		3485
		3486	sub write_runtime_sync {
		3487	# first touch the runtime file to show we are still running:
		3488	# the fsync below can take a very very long time.
		3489
		3490	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3491
		3492	my $guard = cf::lock_acquire "write_runtime";
		3493
		3494	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3495	or return;
		3496
		3497	my $value = $cf::RUNTIME + 90 + 10;
		3498	# 10 is the runtime save interval, for a monotonic clock
		3499	# 60 allows for the watchdog to kill the server.
		3500
		3501	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3502	and return;
		3503
		3504	# always fsync - this file is important
		3505	aio_fsync $fh
		3506	and return;
		3507
		3508	# touch it again to show we are up-to-date
		3509	aio_utime $fh, undef, undef;
		3510
		3511	close $fh
		3512	or return;
		3513
		3514	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3515	and return;
		3516
		3517	warn "runtime file written.\n";
		3518
2309	}	3519	1
		3520	}
		3521
		3522	our $uuid_lock;
		3523	our $uuid_skip;
		3524
		3525	sub write_uuid_sync($) {
		3526	$uuid_skip ||= $_[0];
		3527
		3528	return if $uuid_lock;
		3529	local $uuid_lock = 1;
		3530
		3531	my $uuid = "$LOCALDIR/uuid";
		3532
		3533	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3534	or return;
		3535
		3536	my $value = uuid_seq uuid_cur;
		3537
		3538	unless ($value) {
		3539	warn "cowardly refusing to write zero uuid value!\n";
		3540	return;
		3541	}
		3542
		3543	my $value = uuid_str $value + $uuid_skip;
		3544	$uuid_skip = 0;
		3545
		3546	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3547	and return;
		3548
		3549	# always fsync - this file is important
		3550	aio_fsync $fh
		3551	and return;
		3552
		3553	close $fh
		3554	or return;
		3555
		3556	aio_rename "$uuid~", $uuid
		3557	and return;
		3558
		3559	warn "uuid file written ($value).\n";
		3560
		3561	1
		3562
		3563	}
		3564
		3565	sub write_uuid($$) {
		3566	my ($skip, $sync) = @_;
		3567
		3568	$sync ? write_uuid_sync $skip
		3569	: async { write_uuid_sync $skip };
2310	}	3570	}
2311		3571
2312	sub emergency_save() {	3572	sub emergency_save() {
2313	my $freeze_guard = cf::freeze_mainloop;	3573	my $freeze_guard = cf::freeze_mainloop;
2314		3574
2315	warn "enter emergency perl save\n";	3575	warn "emergency_perl_save: enter\n";
2316		3576
2317	cf::sync_job {	3577	cf::sync_job {
		3578	# this is a trade-off: we want to be very quick here, so
		3579	# save all maps without fsync, and later call a global sync
		3580	# (which in turn might be very very slow)
		3581	local $USE_FSYNC = 0;
		3582
2318	# use a peculiar iteration method to avoid tripping on perl	3583	# use a peculiar iteration method to avoid tripping on perl
2319	# refcount bugs in for. also avoids problems with players	3584	# refcount bugs in for. also avoids problems with players
2320	# and maps saved/destroyed asynchronously.	3585	# and maps saved/destroyed asynchronously.
2321	warn "begin emergency player save\n";	3586	warn "emergency_perl_save: begin player save\n";
2322	for my $login (keys %cf::PLAYER) {	3587	for my $login (keys %cf::PLAYER) {
2323	my $pl = $cf::PLAYER{$login} or next;	3588	my $pl = $cf::PLAYER{$login} or next;
2324	$pl->valid or next;	3589	$pl->valid or next;
		3590	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2325	$pl->save;	3591	$pl->save;
2326	}	3592	}
2327	warn "end emergency player save\n";	3593	warn "emergency_perl_save: end player save\n";
2328		3594
2329	warn "begin emergency map save\n";	3595	warn "emergency_perl_save: begin map save\n";
2330	for my $path (keys %cf::MAP) {	3596	for my $path (keys %cf::MAP) {
2331	my $map = $cf::MAP{$path} or next;	3597	my $map = $cf::MAP{$path} or next;
2332	$map->valid or next;	3598	$map->valid or next;
2333	$map->save;	3599	$map->save;
2334	}	3600	}
2335	warn "end emergency map save\n";	3601	warn "emergency_perl_save: end map save\n";
2336		3602
2337	warn "begin emergency database checkpoint\n";	3603	warn "emergency_perl_save: begin database checkpoint\n";
2338	BDB::db_env_txn_checkpoint $DB_ENV;	3604	BDB::db_env_txn_checkpoint $DB_ENV;
2339	warn "end emergency database checkpoint\n";	3605	warn "emergency_perl_save: end database checkpoint\n";
		3606
		3607	warn "emergency_perl_save: begin write uuid\n";
		3608	write_uuid_sync 1;
		3609	warn "emergency_perl_save: end write uuid\n";
2340	};	3610	};
2341		3611
		3612	warn "emergency_perl_save: starting sync()\n";
		3613	IO::AIO::aio_sync sub {
		3614	warn "emergency_perl_save: finished sync()\n";
		3615	};
		3616
2342	warn "leave emergency perl save\n";	3617	warn "emergency_perl_save: leave\n";
2343	}	3618	}
2344		3619
2345	sub post_cleanup {	3620	sub post_cleanup {
2346	my ($make_core) = @_;	3621	my ($make_core) = @_;
2347		3622
2348	warn Carp::longmess "post_cleanup backtrace"	3623	warn Carp::longmess "post_cleanup backtrace"
2349	if $make_core;	3624	if $make_core;
2350	}
2351		3625
		3626	my $fh = pidfile;
		3627	unlink $PIDFILE if <$fh> == $$;
		3628	}
		3629
		3630	# a safer delete_package, copied from Symbol
		3631	sub clear_package($) {
		3632	my $pkg = shift;
		3633
		3634	# expand to full symbol table name if needed
		3635	unless ($pkg =~ /^main::.*::$/) {
		3636	$pkg = "main$pkg" if $pkg =~ /^::/;
		3637	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3638	$pkg .= '::' unless $pkg =~ /::$/;
		3639	}
		3640
		3641	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3642	my $stem_symtab = *{$stem}{HASH};
		3643
		3644	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3645	or return;
		3646
		3647	# clear all symbols
		3648	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3649	for my $name (keys %$leaf_symtab) {
		3650	_gv_clear *{"$pkg$name"};
		3651	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3652	}
		3653	warn "cleared package $pkg\n";#d#
		3654	}
		3655
2352	sub reload() {	3656	sub do_reload_perl() {
2353	# can/must only be called in main	3657	# can/must only be called in main
2354	if ($Coro::current != $Coro::main) {	3658	if ($Coro::current != $Coro::main) {
2355	warn "can only reload from main coroutine";	3659	warn "can only reload from main coroutine";
2356	return;	3660	return;
2357	}	3661	}
2358		3662
		3663	return if $RELOAD++;
		3664
		3665	my $t1 = EV::time;
		3666
		3667	while ($RELOAD) {
2359	warn "reloading...";	3668	warn "reloading...";
2360		3669
2361	warn "entering sync_job";	3670	warn "entering sync_job";
2362		3671
2363	cf::sync_job {	3672	cf::sync_job {
2364	cf::write_runtime; # external watchdog should not bark	3673	cf::write_runtime_sync; # external watchdog should not bark
2365	cf::emergency_save;	3674	cf::emergency_save;
2366	cf::write_runtime; # external watchdog should not bark	3675	cf::write_runtime_sync; # external watchdog should not bark
2367		3676
2368	warn "syncing database to disk";	3677	warn "syncing database to disk";
2369	BDB::db_env_txn_checkpoint $DB_ENV;	3678	BDB::db_env_txn_checkpoint $DB_ENV;
2370		3679
2371	# if anything goes wrong in here, we should simply crash as we already saved	3680	# if anything goes wrong in here, we should simply crash as we already saved
2372		3681
2373	warn "cancelling all WF_AUTOCANCEL watchers";
2374	for (Event::all_watchers) {
2375	$_->cancel if $_->data & WF_AUTOCANCEL;
2376	}
2377
2378	warn "flushing outstanding aio requests";	3682	warn "flushing outstanding aio requests";
2379	for (;;) {
2380	BDB::flush;
2381	IO::AIO::flush;
2382	Coro::cede;
2383	last unless IO::AIO::nreqs || BDB::nreqs;	3683	while (IO::AIO::nreqs || BDB::nreqs) {
2384	warn "iterate...";	3684	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2385	}
2386
2387	warn "cancelling all extension coros";
2388	$_->cancel for values %EXT_CORO;
2389	%EXT_CORO = ();
2390
2391	warn "removing commands";
2392	%COMMAND = ();
2393
2394	warn "removing ext commands";
2395	%EXTCMD = ();
2396
2397	warn "unloading/nuking all extensions";
2398	for my $pkg (@EXTS) {
2399	warn "... unloading $pkg";
2400
2401	if (my $cb = $pkg->can ("unload")) {
2402	eval {
2403	$cb->($pkg);
2404	1
2405	} or warn "$pkg unloaded, but with errors: $@";
2406	}	3685	}
2407		3686
2408	warn "... nuking $pkg";	3687	warn "cancelling all extension coros";
2409	Symbol::delete_package $pkg;	3688	$_->cancel for values %EXT_CORO;
2410	}	3689	%EXT_CORO = ();
2411		3690
2412	warn "unloading all perl modules loaded from $LIBDIR";	3691	warn "removing commands";
2413	while (my ($k, $v) = each %INC) {	3692	%COMMAND = ();
2414	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2415		3693
		3694	warn "removing ext/exti commands";
		3695	%EXTCMD = ();
		3696	%EXTICMD = ();
		3697
		3698	warn "unloading/nuking all extensions";
		3699	for my $pkg (@EXTS) {
2416	warn "... unloading $k";	3700	warn "... unloading $pkg";
2417	delete $INC{$k};
2418		3701
2419	$k =~ s/\.pm$//;
2420	$k =~ s/\//::/g;
2421
2422	if (my $cb = $k->can ("unload_module")) {	3702	if (my $cb = $pkg->can ("unload")) {
		3703	eval {
2423	$cb->();	3704	$cb->($pkg);
		3705	1
		3706	} or warn "$pkg unloaded, but with errors: $@";
		3707	}
		3708
		3709	warn "... clearing $pkg";
		3710	clear_package $pkg;
2424	}	3711	}
2425		3712
2426	Symbol::delete_package $k;	3713	warn "unloading all perl modules loaded from $LIBDIR";
		3714	while (my ($k, $v) = each %INC) {
		3715	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3716
		3717	warn "... unloading $k";
		3718	delete $INC{$k};
		3719
		3720	$k =~ s/\.pm$//;
		3721	$k =~ s/\//::/g;
		3722
		3723	if (my $cb = $k->can ("unload_module")) {
		3724	$cb->();
		3725	}
		3726
		3727	clear_package $k;
2427	}	3728	}
2428		3729
2429	warn "getting rid of safe::, as good as possible";	3730	warn "getting rid of safe::, as good as possible";
2430	Symbol::delete_package "safe::$_"	3731	clear_package "safe::$_"
2431	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3732	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2432		3733
2433	warn "unloading cf.pm \"a bit\"";	3734	warn "unloading cf.pm \"a bit\"";
2434	delete $INC{"cf.pm"};	3735	delete $INC{"cf.pm"};
		3736	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2435		3737
2436	# don't, removes xs symbols, too,	3738	# don't, removes xs symbols, too,
2437	# and global variables created in xs	3739	# and global variables created in xs
2438	#Symbol::delete_package __PACKAGE__;	3740	#clear_package __PACKAGE__;
2439		3741
2440	warn "unload completed, starting to reload now";	3742	warn "unload completed, starting to reload now";
2441		3743
2442	warn "reloading cf.pm";	3744	warn "reloading cf.pm";
2443	require cf;	3745	require cf;
2444	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3746	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2445		3747
2446	warn "loading config and database again";	3748	warn "loading config and database again";
2447	cf::cfg_load;	3749	cf::reload_config;
2448		3750
2449	warn "loading extensions";	3751	warn "loading extensions";
2450	cf::load_extensions;	3752	cf::load_extensions;
2451		3753
		3754	if ($REATTACH_ON_RELOAD) {
2452	warn "reattaching attachments to objects/players";	3755	warn "reattaching attachments to objects/players";
2453	_global_reattach;	3756	_global_reattach; # objects, sockets
2454	warn "reattaching attachments to maps";	3757	warn "reattaching attachments to maps";
2455	reattach $_ for values %MAP;	3758	reattach $_ for values %MAP;
		3759	warn "reattaching attachments to players";
		3760	reattach $_ for values %PLAYER;
		3761	}
2456		3762
2457	warn "loading reloadable resources";	3763	warn "running post_init jobs";
2458	init_resources;	3764	(pop @POST_INIT)->(1) while @POST_INIT;
2459		3765
2460	warn "leaving sync_job";	3766	warn "leaving sync_job";
2461		3767
2462	1	3768	1
2463	} or do {	3769	} or do {
2464	warn $@;	3770	warn $@;
2465	warn "error while reloading, exiting.";	3771	cf::cleanup "error while reloading, exiting.";
2466	exit 1;	3772	};
		3773
		3774	warn "reloaded";
		3775	--$RELOAD;
		3776	}
		3777
		3778	$t1 = EV::time - $t1;
		3779	warn "reload completed in ${t1}s\n";
		3780	};
		3781
		3782	our $RELOAD_WATCHER; # used only during reload
		3783
		3784	sub reload_perl() {
		3785	# doing reload synchronously and two reloads happen back-to-back,
		3786	# coro crashes during coro_state_free->destroy here.
		3787
		3788	$RELOAD_WATCHER ||= cf::async {
		3789	Coro::AIO::aio_wait cache_extensions;
		3790
		3791	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3792	do_reload_perl;
		3793	undef $RELOAD_WATCHER;
		3794	};
2467	};	3795	};
2468		3796	}
2469	warn "reloaded";
2470	};
2471
2472	our $RELOAD_WATCHER; # used only during reload
2473		3797
2474	register_command "reload" => sub {	3798	register_command "reload" => sub {
2475	my ($who, $arg) = @_;	3799	my ($who, $arg) = @_;
2476		3800
2477	if ($who->flag (FLAG_WIZ)) {	3801	if ($who->flag (FLAG_WIZ)) {
2478	$who->message ("reloading server.");	3802	$who->message ("reloading server.");
2479		3803	async {
2480	# doing reload synchronously and two reloads happen back-to-back,	3804	$Coro::current->{desc} = "perl_reload";
2481	# coro crashes during coro_state_free->destroy here.
2482
2483	$RELOAD_WATCHER ||= Event->timer (
2484	reentrant => 0,
2485	after => 0,
2486	data => WF_AUTOCANCEL,
2487	cb => sub {
2488	reload;	3805	reload_perl;
2489	undef $RELOAD_WATCHER;
2490	},
2491	);	3806	};
2492	}	3807	}
2493	};	3808	};
2494		3809
2495	unshift @INC, $LIBDIR;	3810	unshift @INC, $LIBDIR;
2496		3811
2497	my $bug_warning = 0;	3812	my $bug_warning = 0;
2498		3813
2499	$TICK_WATCHER = Event->timer (	3814	our @WAIT_FOR_TICK;
2500	reentrant => 0,	3815	our @WAIT_FOR_TICK_BEGIN;
2501	parked => 1,	3816
2502	prio => 0,	3817	sub wait_for_tick {
2503	at => $NEXT_TICK || $TICK,	3818	return if tick_inhibit || $Coro::current == $Coro::main;
2504	data => WF_AUTOCANCEL,	3819
2505	cb => sub {	3820	my $signal = new Coro::Signal;
		3821	push @WAIT_FOR_TICK, $signal;
		3822	$signal->wait;
		3823	}
		3824
		3825	sub wait_for_tick_begin {
		3826	return if tick_inhibit || $Coro::current == $Coro::main;
		3827
		3828	my $signal = new Coro::Signal;
		3829	push @WAIT_FOR_TICK_BEGIN, $signal;
		3830	$signal->wait;
		3831	}
		3832
		3833	sub tick {
2506	if ($Coro::current != $Coro::main) {	3834	if ($Coro::current != $Coro::main) {
2507	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3835	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2508	unless ++$bug_warning > 10;	3836	unless ++$bug_warning > 10;
2509	return;	3837	return;
2510	}	3838	}
2511		3839
2512	$NOW = Event::time;
2513
2514	cf::server_tick; # one server iteration	3840	cf::server_tick; # one server iteration
2515	$RUNTIME += $TICK;
2516	$NEXT_TICK += $TICK;
2517		3841
2518	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3842	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2519	$NEXT_RUNTIME_WRITE = $NOW + 10;	3843	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2520	Coro::async_pool {	3844	Coro::async_pool {
		3845	$Coro::current->{desc} = "runtime saver";
2521	write_runtime	3846	write_runtime_sync
2522	or warn "ERROR: unable to write runtime file: $!";	3847	or warn "ERROR: unable to write runtime file: $!";
2523	};
2524	}	3848	};
2525
2526	$WAIT_FOR_TICK->broadcast;
2527	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2528
2529	# my $AFTER = Event::time;
2530	# warn $AFTER - $NOW;#d#
2531
2532	# if we are delayed by four ticks or more, skip them all
2533	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2534
2535	$TICK_WATCHER->at ($NEXT_TICK);
2536	$TICK_WATCHER->start;
2537	},	3849	}
2538	);	3850
		3851	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3852	$sig->send;
		3853	}
		3854	while (my $sig = shift @WAIT_FOR_TICK) {
		3855	$sig->send;
		3856	}
		3857
		3858	$LOAD = ($NOW - $TICK_START) / $TICK;
		3859	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3860
		3861	if (0) {
		3862	if ($NEXT_TICK) {
		3863	my $jitter = $TICK_START - $NEXT_TICK;
		3864	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3865	warn "jitter $JITTER\n";#d#
		3866	}
		3867	}
		3868	}
2539		3869
2540	{	3870	{
2541	BDB::max_poll_time $TICK * 0.1;	3871	# configure BDB
2542	$BDB_POLL_WATCHER = Event->io (	3872
2543	reentrant => 0,
2544	fd => BDB::poll_fileno,
2545	poll => 'r',
2546	prio => 0,
2547	data => WF_AUTOCANCEL,
2548	cb => \&BDB::poll_cb,
2549	);
2550	BDB::min_parallel 8;	3873	BDB::min_parallel 8;
2551		3874	BDB::max_poll_reqs $TICK * 0.1;
2552	BDB::set_sync_prepare {	3875	$AnyEvent::BDB::WATCHER->priority (1);
2553	my $status;
2554	my $current = $Coro::current;
2555	(
2556	sub {
2557	$status = $!;
2558	$current->ready; undef $current;
2559	},
2560	sub {
2561	Coro::schedule while defined $current;
2562	$! = $status;
2563	},
2564	)
2565	};
2566		3876
2567	unless ($DB_ENV) {	3877	unless ($DB_ENV) {
2568	$DB_ENV = BDB::db_env_create;	3878	$DB_ENV = BDB::db_env_create;
		3879	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3880	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3881	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3882	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3883	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2569		3884
2570	cf::sync_job {	3885	cf::sync_job {
2571	eval {	3886	eval {
2572	BDB::db_env_open	3887	BDB::db_env_open
2573	$DB_ENV,	3888	$DB_ENV,
2574	$BDB_ENV_DIR,	3889	$BDBDIR,
2575	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3890	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2576	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3891	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2577	0666;	3892	0666;
2578		3893
2579	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3894	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2580
2581	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2582	$DB_ENV->set_lk_detect;
2583	};	3895	};
2584		3896
2585	cf::cleanup "db_env_open(db): $@" if $@;	3897	cf::cleanup "db_env_open(db): $@" if $@;
2586	};	3898	};
2587	}	3899	}
		3900
		3901	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3902	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3903	};
		3904	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3905	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3906	};
		3907	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3908	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3909	};
2588	}	3910	}
2589		3911
2590	{	3912	{
		3913	# configure IO::AIO
		3914
2591	IO::AIO::min_parallel 8;	3915	IO::AIO::min_parallel 8;
2592
2593	undef $Coro::AIO::WATCHER;
2594	IO::AIO::max_poll_time $TICK * 0.1;	3916	IO::AIO::max_poll_time $TICK * 0.1;
2595	$AIO_POLL_WATCHER = Event->io (	3917	undef $AnyEvent::AIO::WATCHER;
2596	reentrant => 0,
2597	data => WF_AUTOCANCEL,
2598	fd => IO::AIO::poll_fileno,
2599	poll => 'r',
2600	prio => 6,
2601	cb => \&IO::AIO::poll_cb,
2602	);
2603	}	3918	}
		3919
		3920	my $_log_backtrace;
		3921
		3922	sub _log_backtrace {
		3923	my ($msg, @addr) = @_;
		3924
		3925	$msg =~ s/\n//;
		3926
		3927	# limit the # of concurrent backtraces
		3928	if ($_log_backtrace < 2) {
		3929	++$_log_backtrace;
		3930	my $perl_bt = Carp::longmess $msg;
		3931	async {
		3932	$Coro::current->{desc} = "abt $msg";
		3933
		3934	my @bt = fork_call {
		3935	@addr = map { sprintf "%x", $_ } @addr;
		3936	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3937	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3938	or die "addr2line: $!";
		3939
		3940	my @funcs;
		3941	my @res = <$fh>;
		3942	chomp for @res;
		3943	while (@res) {
		3944	my ($func, $line) = splice @res, 0, 2, ();
		3945	push @funcs, "[$func] $line";
		3946	}
		3947
		3948	@funcs
		3949	};
		3950
		3951	LOG llevInfo, "[ABT] $perl_bt\n";
		3952	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3953	LOG llevInfo, "[ABT] $_\n" for @bt;
		3954	--$_log_backtrace;
		3955	};
		3956	} else {
		3957	LOG llevInfo, "[ABT] $msg\n";
		3958	LOG llevInfo, "[ABT] [suppressed]\n";
		3959	}
		3960	}
		3961
		3962	# load additional modules
		3963	require "cf/$_.pm" for @EXTRA_MODULES;
2604		3964
2605	END { cf::emergency_save }	3965	END { cf::emergency_save }
2606		3966
2607	1	3967	1
2608		3968

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