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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.228 by root, Mon Mar 26 16:53:33 2007 UTC vs.
Revision 1.478 by root, Thu Sep 17 01:57:31 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict qw(vars subs);
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
9	use Event;	31	use EV;
10	use Opcode;	32	use Opcode;
11	use Safe;	33	use Safe;
12	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
13		36
		37	use Guard ();
14	use Coro 3.52 ();	38	use Coro ();
15	use Coro::State;	39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
16	use Coro::Event;	42	use Coro::AnyEvent;
17	use Coro::Timer;	43	use Coro::Timer;
18	use Coro::Signal;	44	use Coro::Signal;
19	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
20	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
21		52
		53	use JSON::XS 2.01 ();
22	use BDB ();	54	use BDB ();
23	use Data::Dumper;	55	use Data::Dumper;
24	use Digest::MD5;	56	use Digest::MD5;
25	use Fcntl;	57	use Fcntl;
26	use YAML::Syck ();	58	use YAML ();
27	use IO::AIO 2.32 ();	59	use IO::AIO ();
28	use Time::HiRes;	60	use Time::HiRes;
29	use Compress::LZF;	61	use Compress::LZF;
		62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
30		65
31	# configure various modules to our taste	66	# configure various modules to our taste
32	#	67	#
		68	$Storable::canonical = 1; # reduce rsync transfers
33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
34	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
35		76
36	$Event::Eval = 1; # no idea why this is required, but it is	77	# strictly for debugging
37		78	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
39	$YAML::Syck::ImplicitUnicode = 1;
40
41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
42		79
43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	80	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
44		81
45	our %COMMAND = ();	82	our %COMMAND = ();
46	our %COMMAND_TIME = ();	83	our %COMMAND_TIME = ();
47		84
48	our @EXTS = (); # list of extension package names	85	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	86	our %EXTCMD = ();
		87	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	88	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	89	our %EXT_MAP = (); # pluggable maps
52		90
53	our $RELOAD; # number of reloads so far	91	our $RELOAD; # number of reloads so far, non-zero while in reload
54	our @EVENT;	92	our @EVENT;
55	our $LIBDIR = datadir . "/ext";
56		93
57	our $TICK = MAX_TIME * 1e-6;	94	our $CONFDIR = confdir;
58	our $TICK_WATCHER;	95	our $DATADIR = datadir;
59	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(!)
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	111	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	112	our $NEXT_TICK;
62	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off	113	our $USE_FSYNC = 1; # use fsync to write maps - default on
64		114
		115	our $BDB_DEADLOCK_WATCHER;
		116	our $BDB_CHECKPOINT_WATCHER;
65	our $BDB_POLL_WATCHER;	117	our $BDB_TRICKLE_WATCHER;
66	our $DB_ENV;	118	our $DB_ENV;
		119
		120	our @EXTRA_MODULES = qw(pod mapscript);
67		121
68	our %CFG;	122	our %CFG;
69		123
70	our $UPTIME; $UPTIME ||= time;	124	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;	125	our $RUNTIME;
		126	our $NOW;
72		127
73	our %PLAYER; # all users	128	our (%PLAYER, %PLAYER_LOADING); # all users
74	our %MAP; # all maps	129	our (%MAP, %MAP_LOADING ); # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	130	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		131
82	# 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 ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	133	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		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 $REALLY_UNLOOP; # never set to true, please :)
		144
85	binmode STDOUT;	145	binmode STDOUT;
86	binmode STDERR;	146	binmode STDERR;
87		147
88	# read virtual server time, if available	148	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	149	unless ($RUNTIME || !-e $RUNTIMEFILE) {
90	open my $fh, "<", cf::localdir . "/runtime"	150	open my $fh, "<", $RUNTIMEFILE
91	or die "unable to read runtime file: $!";	151	or die "unable to read $RUNTIMEFILE file: $!";
92	$RUNTIME = <$fh> + 0.;	152	$RUNTIME = <$fh> + 0.;
93	}	153	}
94		154
95	mkdir cf::localdir;	155	eval "sub TICK() { $TICK } 1" or die;
96	mkdir cf::localdir . "/" . cf::playerdir;	156
97	mkdir cf::localdir . "/" . cf::tmpdir;	157	mkdir $_
98	mkdir cf::localdir . "/" . cf::uniquedir;	158	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		159
102	our $EMERGENCY_POSITION;	160	our $EMERGENCY_POSITION;
103		161
104	sub cf::map::normalise;	162	sub cf::map::normalise;
105		163
…		…
116	=item $cf::RUNTIME	174	=item $cf::RUNTIME
117		175
118	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
119	every server tick.	177	every server tick.
120		178
121	=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
122		182
123	The perl library directory, where extensions and cf-specific modules can	183	Various directories - "/etc", read-only install directory, perl-library
124	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.
125		187
126	=item $cf::NOW	188	=item $cf::NOW
127		189
128	The time of the last (current) server tick.	190	The time of the last (current) server tick.
129		191
130	=item $cf::TICK	192	=item $cf::TICK
131		193
132	The interval between server ticks, in seconds.	194	The interval between server ticks, in seconds.
133		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
134	=item %cf::CFG	206	=item %cf::CFG
135		207
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	208	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
137	from wherever your confdir points to.	209	from wherever your confdir points to.
138		210
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	211	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		212
141	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
142	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
143	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.
144	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.
145		222
146	=back	223	=back
147		224
148	=cut	225	=cut
149		226
150	BEGIN {	227	$Coro::State::WARNHOOK = sub {
151	*CORE::GLOBAL::warn = sub {
152	my $msg = join "", @_;	228	my $msg = join "", @_;
153	utf8::encode $msg;
154		229
155	$msg .= "\n"	230	$msg .= "\n"
156	unless $msg =~ /\n$/;	231	unless $msg =~ /\n$/;
157		232
		233	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		234
158	LOG llevError, $msg;	235	LOG llevError, $msg;
159	};	236	};
160	}	237
		238	$Coro::State::DIEHOOK = sub {
		239	return unless $^S eq 0; # "eq", not "=="
		240
		241	warn Carp::longmess $_[0];
		242
		243	if ($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	Coro::terminate
		250	};
161		251
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	252	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	253	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	254	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	255	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	256	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		257	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
167	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	258	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
168		259
169	# we bless all objects into (empty) derived classes to force a method lookup	260	# we bless all objects into (empty) derived classes to force a method lookup
170	# within the Safe compartment.	261	# within the Safe compartment.
171	for my $pkg (qw(	262	for my $pkg (qw(
172	cf::global cf::attachable	263	cf::global cf::attachable
173	cf::object cf::object::player	264	cf::object cf::object::player
174	cf::client cf::player	265	cf::client cf::player
175	cf::arch cf::living	266	cf::arch cf::living
		267	cf::map cf::mapspace
176	cf::map cf::party cf::region	268	cf::party cf::region
177	)) {	269	)) {
178	no strict 'refs';
179	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	270	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
180	}	271	}
181		272
182	$Event::DIED = sub {	273	$EV::DIED = sub {
183	warn "error in event callback: @_";	274	warn "error in event callback: @_";
184	};	275	};
		276
		277	#############################################################################
185		278
186	=head2 UTILITY FUNCTIONS	279	=head2 UTILITY FUNCTIONS
187		280
188	=over 4	281	=over 4
189		282
…		…
208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	301	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
209	$d	302	$d
210	} || "[unable to dump $_[0]: '$@']";	303	} || "[unable to dump $_[0]: '$@']";
211	}	304	}
212		305
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	306	=item $ref = cf::decode_json $json
216		307
217	Converts a JSON string into the corresponding perl data structure.	308	Converts a JSON string into the corresponding perl data structure.
218		309
219	=item $json = cf::to_json $ref	310	=item $json = cf::encode_json $ref
220		311
221	Converts a perl data structure into its JSON representation.	312	Converts a perl data structure into its JSON representation.
222		313
		314	=cut
		315
		316	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		317
		318	sub encode_json($) { $json_coder->encode ($_[0]) }
		319	sub decode_json($) { $json_coder->decode ($_[0]) }
		320
		321	=item cf::post_init { BLOCK }
		322
		323	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		324	but I<before> the server starts ticking again.
		325
		326	The cdoeblock will have a single boolean argument to indicate whether this
		327	is a reload or not.
		328
		329	=cut
		330
		331	sub post_init(&) {
		332	push @POST_INIT, shift;
		333	}
		334
223	=item cf::lock_wait $string	335	=item cf::lock_wait $string
224		336
225	Wait until the given lock is available. See cf::lock_acquire.	337	Wait until the given lock is available. See cf::lock_acquire.
226		338
227	=item my $lock = cf::lock_acquire $string	339	=item my $lock = cf::lock_acquire $string
228		340
229	Wait until the given lock is available and then acquires it and returns	341	Wait until the given lock is available and then acquires it and returns
230	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	342	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
231	for example when the coroutine gets canceled), the lock is automatically	343	for example when the coroutine gets canceled), the lock is automatically
232	returned.	344	returned.
233		345
		346	Locks are *not* recursive, locking from the same coro twice results in a
		347	deadlocked coro.
		348
234	Lock names should begin with a unique identifier (for example, cf::map::find	349	Lock names should begin with a unique identifier (for example, cf::map::find
235	uses map_find and cf::map::load uses map_load).	350	uses map_find and cf::map::load uses map_load).
236		351
237	=cut	352	=item $locked = cf::lock_active $string
238		353
239	our %LOCK;	354	Return true if the lock is currently active, i.e. somebody has locked it.
		355
		356	=cut
		357
		358	our $LOCKS = new Coro::SemaphoreSet;
240		359
241	sub lock_wait($) {	360	sub lock_wait($) {
242	my ($key) = @_;	361	$LOCKS->wait ($_[0]);
243
244	# wait for lock, if any
245	while ($LOCK{$key}) {
246	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;
248	}
249	}	362	}
250		363
251	sub lock_acquire($) {	364	sub lock_acquire($) {
252	my ($key) = @_;	365	$LOCKS->guard ($_[0])
		366	}
253		367
254	# wait, to be sure we are not locked	368	sub lock_active($) {
255	lock_wait $key;	369	$LOCKS->count ($_[0]) < 1
256
257	$LOCK{$key} = [];
258
259	Coro::guard {
260	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };
262	}
263	}	370	}
264		371
265	sub freeze_mainloop {	372	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	373	tick_inhibit_inc;
267		374
268	my $guard = Coro::guard {	375	&Guard::guard (\&tick_inhibit_dec);
269	$TICK_WATCHER->start;	376	}
		377
		378	=item cf::periodic $interval, $cb
		379
		380	Like EV::periodic, but randomly selects a starting point so that the actions
		381	get spread over timer.
		382
		383	=cut
		384
		385	sub periodic($$) {
		386	my ($interval, $cb) = @_;
		387
		388	my $start = rand List::Util::min 180, $interval;
		389
		390	EV::periodic $start, $interval, 0, $cb
		391	}
		392
		393	=item cf::get_slot $time[, $priority[, $name]]
		394
		395	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		396	This call blocks and returns only when you have at least C<$time> seconds
		397	of cpu time till the next tick. The slot is only valid till the next cede.
		398
		399	The optional C<$name> can be used to identify the job to run. It might be
		400	used for statistical purposes and should identify the same time-class.
		401
		402	Useful for short background jobs.
		403
		404	=cut
		405
		406	our @SLOT_QUEUE;
		407	our $SLOT_QUEUE;
		408
		409	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		410	$SLOT_QUEUE = Coro::async {
		411	$Coro::current->desc ("timeslot manager");
		412
		413	my $signal = new Coro::Signal;
		414
		415	while () {
		416	next_job:
		417	my $avail = cf::till_tick;
		418	if ($avail > 0.01) {
		419	for (0 .. $#SLOT_QUEUE) {
		420	if ($SLOT_QUEUE[$_][0] < $avail) {
		421	my $job = splice @SLOT_QUEUE, $_, 1, ();
		422	$job->[2]->send;
		423	Coro::cede;
		424	goto next_job;
		425	}
		426	}
		427	}
		428
		429	if (@SLOT_QUEUE) {
		430	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		431	push @cf::WAIT_FOR_TICK, $signal;
		432	$signal->wait;
		433	} else {
		434	Coro::schedule;
		435	}
270	};	436	}
271	$TICK_WATCHER->stop;	437	};
272	$guard	438
		439	sub get_slot($;$$) {
		440	return if tick_inhibit || $Coro::current == $Coro::main;
		441
		442	my ($time, $pri, $name) = @_;
		443
		444	$time = $TICK * .6 if $time > $TICK * .6;
		445	my $sig = new Coro::Signal;
		446
		447	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		448	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		449	$SLOT_QUEUE->ready;
		450	$sig->wait;
273	}	451	}
274		452
275	=item cf::async { BLOCK }	453	=item cf::async { BLOCK }
276		454
277	Currently the same as Coro::async_pool, meaning you cannot use	455	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		460
283	BEGIN { *async = \&Coro::async_pool }	461	BEGIN { *async = \&Coro::async_pool }
284		462
285	=item cf::sync_job { BLOCK }	463	=item cf::sync_job { BLOCK }
286		464
287	The design of crossfire+ requires that the main coro ($Coro::main) is	465	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	466	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	467	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		468	acceptable.
290		469
291	If it must be done, put the blocking parts into C<sync_job>. This will run	470	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	471	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	472	server will be frozen during this time, so the block should either finish
294	fast or be very important.	473	fast or be very important.
…		…
297		476
298	sub sync_job(&) {	477	sub sync_job(&) {
299	my ($job) = @_;	478	my ($job) = @_;
300		479
301	if ($Coro::current == $Coro::main) {	480	if ($Coro::current == $Coro::main) {
		481	my $time = EV::time;
		482
302	# this is the main coro, too bad, we have to block	483	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	484	# till the operation succeeds, freezing the server :/
304		485
305	# TODO: use suspend/resume instead	486	LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	487
307	my $freeze_guard = freeze_mainloop;	488	my $freeze_guard = freeze_mainloop;
308		489
309	my $busy = 1;	490	my $busy = 1;
310	my @res;	491	my @res;
311		492
312	(async {	493	(async {
		494	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	495	@res = eval { $job->() };
314	warn $@ if $@;	496	warn $@ if $@;
315	undef $busy;	497	undef $busy;
316	})->prio (Coro::PRIO_MAX);	498	})->prio (Coro::PRIO_MAX);
317		499
318	while ($busy) {	500	while ($busy) {
319	Coro::cede or Event::one_event;	501	if (Coro::nready) {
		502	Coro::cede_notself;
		503	} else {
		504	EV::loop EV::LOOP_ONESHOT;
320	}	505	}
		506	}
		507
		508	my $time = EV::time - $time;
		509
		510	$TICK_START += $time; # do not account sync jobs to server load
321		511
322	wantarray ? @res : $res[0]	512	wantarray ? @res : $res[0]
323	} else {	513	} else {
324	# we are in another coroutine, how wonderful, everything just works	514	# we are in another coroutine, how wonderful, everything just works
325		515
…		…
345	$EXT_CORO{$coro+0} = $coro;	535	$EXT_CORO{$coro+0} = $coro;
346		536
347	$coro	537	$coro
348	}	538	}
349		539
350	sub write_runtime {	540	=item fork_call { }, $args
351	my $guard = cf::lock_acquire "write_runtime";
352		541
353	my $runtime = cf::localdir . "/runtime";	542	Executes the given code block with the given arguments in a seperate
		543	process, returning the results. Everything must be serialisable with
		544	Coro::Storable. May, of course, block. Note that the executed sub may
		545	never block itself or use any form of event handling.
354		546
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	547	=cut
356	or return;
357		548
358	my $value = $cf::RUNTIME + 90 + 10;	549	sub fork_call(&@) {
359	# 10 is the runtime save interval, for a monotonic clock	550	my ($cb, @args) = @_;
360	# 60 allows for the watchdog to kill the server.
361		551
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	552	# we seemingly have to make a local copy of the whole thing,
363	and return;	553	# otherwise perl prematurely frees the stuff :/
		554	# TODO: investigate and fix (likely this will be rather laborious)
364		555
365	# always fsync - this file is important	556	my @res = Coro::Util::fork_eval {
366	aio_fsync $fh	557	reset_signals;
367	and return;	558	&$cb
		559	}, @args;
368		560
369	close $fh	561	wantarray ? @res : $res[-1]
370	or return;	562	}
371		563
372	aio_rename "$runtime~", $runtime	564	=item $coin = coin_from_name $name
373	and return;
374		565
		566	=cut
		567
		568	our %coin_alias = (
		569	"silver" => "silvercoin",
		570	"silvercoin" => "silvercoin",
		571	"silvercoins" => "silvercoin",
		572	"gold" => "goldcoin",
		573	"goldcoin" => "goldcoin",
		574	"goldcoins" => "goldcoin",
		575	"platinum" => "platinacoin",
		576	"platinumcoin" => "platinacoin",
		577	"platinumcoins" => "platinacoin",
		578	"platina" => "platinacoin",
		579	"platinacoin" => "platinacoin",
		580	"platinacoins" => "platinacoin",
		581	"royalty" => "royalty",
		582	"royalties" => "royalty",
		583	);
		584
		585	sub coin_from_name($) {
		586	$coin_alias{$_[0]}
		587	? cf::arch::find $coin_alias{$_[0]}
		588	: undef
		589	}
		590
		591	=item $value = cf::db_get $family => $key
		592
		593	Returns a single value from the environment database.
		594
		595	=item cf::db_put $family => $key => $value
		596
		597	Stores the given C<$value> in the family. It can currently store binary
		598	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		599
		600	=item $db = cf::db_table "name"
		601
		602	Create and/or open a new database table. The string must not be "db" and must be unique
		603	within each server.
		604
		605	=cut
		606
		607	sub db_table($) {
		608	my ($name) = @_;
		609	my $db = BDB::db_create $DB_ENV;
		610
		611	eval {
		612	$db->set_flags (BDB::CHKSUM);
		613
		614	utf8::encode $name;
		615	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		616	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		617	cf::cleanup "db_open(db): $!" if $!;
		618	};
		619	cf::cleanup "db_open(db): $@" if $@;
		620
		621	$db
		622	}
		623
		624	our $DB;
		625
		626	sub db_init {
		627	cf::sync_job {
		628	$DB ||= db_table "db";
		629	};
		630	}
		631
		632	sub db_get($$) {
		633	my $key = "$_[0]/$_[1]";
		634
		635	cf::sync_job {
		636	BDB::db_get $DB, undef, $key, my $data;
		637
		638	$! ? ()
		639	: $data
375	1	640	}
		641	}
		642
		643	sub db_put($$$) {
		644	BDB::dbreq_pri 4;
		645	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		646	}
		647
		648	=item cf::cache $id => [$paths...], $processversion => $process
		649
		650	Generic caching function that returns the value of the resource $id,
		651	caching and regenerating as required.
		652
		653	This function can block.
		654
		655	=cut
		656
		657	sub cache {
		658	my ($id, $src, $processversion, $process) = @_;
		659
		660	my $meta =
		661	join "\x00",
		662	$processversion,
		663	map {
		664	aio_stat $_
		665	and Carp::croak "$_: $!";
		666
		667	($_, (stat _)[7,9])
		668	} @$src;
		669
		670	my $dbmeta = db_get cache => "$id/meta";
		671	if ($dbmeta ne $meta) {
		672	# changed, we may need to process
		673
		674	my @data;
		675	my $md5;
		676
		677	for (0 .. $#$src) {
		678	0 <= aio_load $src->[$_], $data[$_]
		679	or Carp::croak "$src->[$_]: $!";
		680	}
		681
		682	# if processing is expensive, check
		683	# checksum first
		684	if (1) {
		685	$md5 =
		686	join "\x00",
		687	$processversion,
		688	map {
		689	cf::cede_to_tick;
		690	($src->[$_], Digest::MD5::md5_hex $data[$_])
		691	} 0.. $#$src;
		692
		693
		694	my $dbmd5 = db_get cache => "$id/md5";
		695	if ($dbmd5 eq $md5) {
		696	db_put cache => "$id/meta", $meta;
		697
		698	return db_get cache => "$id/data";
		699	}
		700	}
		701
		702	my $t1 = Time::HiRes::time;
		703	my $data = $process->(\@data);
		704	my $t2 = Time::HiRes::time;
		705
		706	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		707
		708	db_put cache => "$id/data", $data;
		709	db_put cache => "$id/md5" , $md5;
		710	db_put cache => "$id/meta", $meta;
		711
		712	return $data;
		713	}
		714
		715	db_get cache => "$id/data"
		716	}
		717
		718	=item cf::datalog type => key => value, ...
		719
		720	Log a datalog packet of the given type with the given key-value pairs.
		721
		722	=cut
		723
		724	sub datalog($@) {
		725	my ($type, %kv) = @_;
		726	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
376	}	727	}
377		728
378	=back	729	=back
379		730
380	=cut	731	=cut
381		732
382	#############################################################################	733	#############################################################################
383		734
384	=head2 ATTACHABLE OBJECTS	735	=head2 ATTACHABLE OBJECTS
385		736
386	Many objects in crossfire are so-called attachable objects. That means you can	737	Many objects in deliantra are so-called attachable objects. That means you can
387	attach callbacks/event handlers (a collection of which is called an "attachment")	738	attach callbacks/event handlers (a collection of which is called an "attachment")
388	to it. All such attachable objects support the following methods.	739	to it. All such attachable objects support the following methods.
389		740
390	In the following description, CLASS can be any of C<global>, C<object>	741	In the following description, CLASS can be any of C<global>, C<object>
391	C<player>, C<client> or C<map> (i.e. the attachable objects in	742	C<player>, C<client> or C<map> (i.e. the attachable objects in
392	crossfire+).	743	Deliantra).
393		744
394	=over 4	745	=over 4
395		746
396	=item $attachable->attach ($attachment, key => $value...)	747	=item $attachable->attach ($attachment, key => $value...)
397		748
…		…
441	=item cf::CLASS::attachment $name, ...	792	=item cf::CLASS::attachment $name, ...
442		793
443	Register an attachment by C<$name> through which attachable objects of the	794	Register an attachment by C<$name> through which attachable objects of the
444	given CLASS can refer to this attachment.	795	given CLASS can refer to this attachment.
445		796
446	Some classes such as crossfire maps and objects can specify attachments	797	Some classes such as deliantra maps and objects can specify attachments
447	that are attached at load/instantiate time, thus the need for a name.	798	that are attached at load/instantiate time, thus the need for a name.
448		799
449	These calls expect any number of the following handler/hook descriptions:	800	These calls expect any number of the following handler/hook descriptions:
450		801
451	=over 4	802	=over 4
…		…
560	$registry = $CB_TYPE[$object_type] ||= [];	911	$registry = $CB_TYPE[$object_type] ||= [];
561		912
562	} elsif ($type eq "subtype") {	913	} elsif ($type eq "subtype") {
563	defined $object_type or Carp::croak "subtype specified without type";	914	defined $object_type or Carp::croak "subtype specified without type";
564	my $object_subtype = shift @arg;	915	my $object_subtype = shift @arg;
565	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	916	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
566		917
567	} elsif ($type eq "package") {	918	} elsif ($type eq "package") {
568	my $pkg = shift @arg;	919	my $pkg = shift @arg;
569		920
570	while (my ($name, $id) = each %cb_id) {	921	while (my ($name, $id) = each %cb_id) {
…		…
599	_attach $registry, $klass, @attach;	950	_attach $registry, $klass, @attach;
600	}	951	}
601		952
602	$obj->{$name} = \%arg;	953	$obj->{$name} = \%arg;
603	} else {	954	} else {
604	warn "object uses attachment '$name' that is not available, postponing.\n";	955	warn "object uses attachment '$name' which is not available, postponing.\n";
605	}	956	}
606		957
607	$obj->{_attachment}{$name} = undef;	958	$obj->{_attachment}{$name} = undef;
608	}	959	}
609		960
…		…
611	if (ref $_[0]) {	962	if (ref $_[0]) {
612	_object_attach @_;	963	_object_attach @_;
613	} else {	964	} else {
614	_attach shift->_attach_registry, @_;	965	_attach shift->_attach_registry, @_;
615	}	966	}
		967	_recalc_want;
616	};	968	};
617		969
618	# all those should be optimised	970	# all those should be optimised
619	sub cf::attachable::detach {	971	sub cf::attachable::detach {
620	my ($obj, $name) = @_;	972	my ($obj, $name) = @_;
…		…
623	delete $obj->{_attachment}{$name};	975	delete $obj->{_attachment}{$name};
624	reattach ($obj);	976	reattach ($obj);
625	} else {	977	} else {
626	Carp::croak "cannot, currently, detach class attachments";	978	Carp::croak "cannot, currently, detach class attachments";
627	}	979	}
		980	_recalc_want;
628	};	981	};
629		982
630	sub cf::attachable::attached {	983	sub cf::attachable::attached {
631	my ($obj, $name) = @_;	984	my ($obj, $name) = @_;
632		985
…		…
647	";	1000	";
648	die if $@;	1001	die if $@;
649	}	1002	}
650		1003
651	our $override;	1004	our $override;
652	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1005	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
653		1006
654	sub override {	1007	sub override {
655	$override = 1;	1008	$override = 1;
656	@invoke_results = ();	1009	@INVOKE_RESULTS = (@_);
657	}	1010	}
658		1011
659	sub do_invoke {	1012	sub do_invoke {
660	my $event = shift;	1013	my $event = shift;
661	my $callbacks = shift;	1014	my $callbacks = shift;
662		1015
663	@invoke_results = ();	1016	@INVOKE_RESULTS = ();
664		1017
665	local $override;	1018	local $override;
666		1019
667	for (@$callbacks) {	1020	for (@$callbacks) {
668	eval { &{$_->[1]} };	1021	eval { &{$_->[1]} };
…		…
677	}	1030	}
678		1031
679	0	1032	0
680	}	1033	}
681		1034
682	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1035	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
683		1036
684	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1037	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
685		1038
686	Generate an object-specific event with the given arguments.	1039	Generate an object-specific event with the given arguments.
687		1040
688	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1041	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
689	removed in future versions), and there is no public API to access override	1042	removed in future versions), and there is no public API to access override
690	results (if you must, access C<@cf::invoke_results> directly).	1043	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
691		1044
692	=back	1045	=back
693		1046
694	=cut	1047	=cut
695		1048
696	#############################################################################	1049	#############################################################################
697	# object support	1050	# object support
		1051
		1052	sub _object_equal($$);
		1053	sub _object_equal($$) {
		1054	my ($a, $b) = @_;
		1055
		1056	return 0 unless (ref $a) eq (ref $b);
		1057
		1058	if ("HASH" eq ref $a) {
		1059	my @ka = keys %$a;
		1060	my @kb = keys %$b;
		1061
		1062	return 0 if @ka != @kb;
		1063
		1064	for (0 .. $#ka) {
		1065	return 0 unless $ka[$_] eq $kb[$_];
		1066	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1067	}
		1068
		1069	} elsif ("ARRAY" eq ref $a) {
		1070
		1071	return 0 if @$a != @$b;
		1072
		1073	for (0 .. $#$a) {
		1074	return 0 unless _object_equal $a->[$_], $b->[$_];
		1075	}
		1076
		1077	} elsif ($a ne $b) {
		1078	return 0;
		1079	}
		1080
		1081	1
		1082	}
		1083
		1084	our $SLOW_MERGES;#d#
		1085	sub _can_merge {
		1086	my ($ob1, $ob2) = @_;
		1087
		1088	++$SLOW_MERGES;#d#
		1089
		1090	# we do the slow way here
		1091	return _object_equal $ob1, $ob2
		1092	}
698		1093
699	sub reattach {	1094	sub reattach {
700	# basically do the same as instantiate, without calling instantiate	1095	# basically do the same as instantiate, without calling instantiate
701	my ($obj) = @_;	1096	my ($obj) = @_;
702		1097
		1098	# no longer needed after getting rid of delete_package?
703	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1099	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
704		1100
705	my $registry = $obj->registry;	1101	my $registry = $obj->registry;
706		1102
707	@$registry = ();	1103	@$registry = ();
708		1104
…		…
723	cf::attachable->attach (	1119	cf::attachable->attach (
724	prio => -1000000,	1120	prio => -1000000,
725	on_instantiate => sub {	1121	on_instantiate => sub {
726	my ($obj, $data) = @_;	1122	my ($obj, $data) = @_;
727		1123
728	$data = from_json $data;	1124	$data = decode_json $data;
729		1125
730	for (@$data) {	1126	for (@$data) {
731	my ($name, $args) = @$_;	1127	my ($name, $args) = @$_;
732		1128
733	$obj->attach ($name, %{$args || {} });	1129	$obj->attach ($name, %{$args || {} });
…		…
749	sub object_freezer_save {	1145	sub object_freezer_save {
750	my ($filename, $rdata, $objs) = @_;	1146	my ($filename, $rdata, $objs) = @_;
751		1147
752	sync_job {	1148	sync_job {
753	if (length $$rdata) {	1149	if (length $$rdata) {
		1150	utf8::decode (my $decname = $filename);
754	warn sprintf "saving %s (%d,%d)\n",	1151	warn sprintf "saving %s (%d,%d)\n",
755	$filename, length $$rdata, scalar @$objs;	1152	$decname, length $$rdata, scalar @$objs;
756		1153
757	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1154	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
758	chmod SAVE_MODE, $fh;	1155	aio_chmod $fh, SAVE_MODE;
759	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1156	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
760	aio_fsync $fh if $cf::USE_FSYNC;	1157	if ($cf::USE_FSYNC) {
		1158	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;
		1159	aio_fsync $fh;
		1160	}
761	close $fh;	1161	aio_close $fh;
762		1162
763	if (@$objs) {	1163	if (@$objs) {
764	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1164	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
765	chmod SAVE_MODE, $fh;	1165	aio_chmod $fh, SAVE_MODE;
766	my $data = Storable::nfreeze { version => 1, objs => $objs };	1166	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
767	aio_write $fh, 0, (length $data), $data, 0;	1167	aio_write $fh, 0, (length $data), $data, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1168	if ($cf::USE_FSYNC) {
		1169	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;
		1170	aio_fsync $fh;
		1171	}
769	close $fh;	1172	aio_close $fh;
770	aio_rename "$filename.pst~", "$filename.pst";	1173	aio_rename "$filename.pst~", "$filename.pst";
771	}	1174	}
772	} else {	1175	} else {
773	aio_unlink "$filename.pst";	1176	aio_unlink "$filename.pst";
774	}	1177	}
775		1178
776	aio_rename "$filename~", $filename;	1179	aio_rename "$filename~", $filename;
		1180
		1181	$filename =~ s%/[^/]+$%%;
		1182	aio_pathsync $filename if $cf::USE_FSYNC;
777	} else {	1183	} else {
778	warn "FATAL: $filename~: $!\n";	1184	warn "unable to save objects: $filename~: $!\n";
779	}	1185	}
780	} else {	1186	} else {
781	aio_unlink $filename;	1187	aio_unlink $filename;
782	aio_unlink "$filename.pst";	1188	aio_unlink "$filename.pst";
783	}	1189	}
784	}	1190	};
785	}	1191	}
786		1192
787	sub object_freezer_as_string {	1193	sub object_freezer_as_string {
788	my ($rdata, $objs) = @_;	1194	my ($rdata, $objs) = @_;
789		1195
…		…
801	or return;	1207	or return;
802		1208
803	unless (aio_stat "$filename.pst") {	1209	unless (aio_stat "$filename.pst") {
804	(aio_load "$filename.pst", $av) >= 0	1210	(aio_load "$filename.pst", $av) >= 0
805	or return;	1211	or return;
		1212
806	$av = eval { (Storable::thaw $av)->{objs} };	1213	my $st = eval { Coro::Storable::thaw $av };
		1214	$av = $st->{objs};
807	}	1215	}
808		1216
		1217	utf8::decode (my $decname = $filename);
809	warn sprintf "loading %s (%d)\n",	1218	warn sprintf "loading %s (%d,%d)\n",
810	$filename, length $data, scalar @{$av || []};#d#	1219	$decname, length $data, scalar @{$av || []};
		1220
811	return ($data, $av);	1221	($data, $av)
812	}	1222	}
		1223
		1224	=head2 COMMAND CALLBACKS
		1225
		1226	=over 4
		1227
		1228	=cut
813		1229
814	#############################################################################	1230	#############################################################################
815	# command handling &c	1231	# command handling &c
816		1232
817	=item cf::register_command $name => \&callback($ob,$args);	1233	=item cf::register_command $name => \&callback($ob,$args);
…		…
830	push @{ $COMMAND{$name} }, [$caller, $cb];	1246	push @{ $COMMAND{$name} }, [$caller, $cb];
831	}	1247	}
832		1248
833	=item cf::register_extcmd $name => \&callback($pl,$packet);	1249	=item cf::register_extcmd $name => \&callback($pl,$packet);
834		1250
835	Register a callbackf ro execution when the client sends an extcmd packet.	1251	Register a callback for execution when the client sends an (synchronous)
		1252	extcmd packet. Ext commands will be processed in the order they are
		1253	received by the server, like other user commands. The first argument is
		1254	the logged-in player. Ext commands can only be processed after a player
		1255	has logged in successfully.
836		1256
837	If the callback returns something, it is sent back as if reply was being	1257	If the callback returns something, it is sent back as if reply was being
838	called.	1258	called.
839		1259
		1260	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1261
		1262	Register a callback for execution when the client sends an (asynchronous)
		1263	exticmd packet. Exti commands are processed by the server as soon as they
		1264	are received, i.e. out of order w.r.t. other commands. The first argument
		1265	is a client socket. Exti commands can be received anytime, even before
		1266	log-in.
		1267
		1268	If the callback returns something, it is sent back as if reply was being
		1269	called.
		1270
840	=cut	1271	=cut
841		1272
842	sub register_extcmd {	1273	sub register_extcmd {
843	my ($name, $cb) = @_;	1274	my ($name, $cb) = @_;
844		1275
845	$EXTCMD{$name} = $cb;	1276	$EXTCMD{$name} = $cb;
846	}	1277	}
		1278
		1279	sub register_exticmd {
		1280	my ($name, $cb) = @_;
		1281
		1282	$EXTICMD{$name} = $cb;
		1283	}
		1284
		1285	use File::Glob ();
847		1286
848	cf::player->attach (	1287	cf::player->attach (
849	on_command => sub {	1288	on_command => sub {
850	my ($pl, $name, $params) = @_;	1289	my ($pl, $name, $params) = @_;
851		1290
…		…
859	cf::override;	1298	cf::override;
860	},	1299	},
861	on_extcmd => sub {	1300	on_extcmd => sub {
862	my ($pl, $buf) = @_;	1301	my ($pl, $buf) = @_;
863		1302
864	my $msg = eval { from_json $buf };	1303	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
865		1304
866	if (ref $msg) {	1305	if (ref $msg) {
		1306	my ($type, $reply, @payload) =
		1307	"ARRAY" eq ref $msg
		1308	? @$msg
		1309	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1310
		1311	my @reply;
		1312
867	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1313	if (my $cb = $EXTCMD{$type}) {
868	if (my %reply = $cb->($pl, $msg)) {	1314	@reply = $cb->($pl, @payload);
869	$pl->ext_reply ($msg->{msgid}, %reply);
870	}
871	}	1315	}
		1316
		1317	$pl->ext_reply ($reply, @reply)
		1318	if $reply;
		1319
872	} else {	1320	} else {
873	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1321	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
874	}	1322	}
875		1323
876	cf::override;	1324	cf::override;
877	},	1325	},
878	);	1326	);
879		1327
		1328	# "readahead" all extensions
880	sub load_extension {	1329	sub cache_extensions {
881	my ($path) = @_;	1330	my $grp = IO::AIO::aio_group;
882		1331
883	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1332	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
884	my $base = $1;	1333	for (grep /\.ext$/, @{$_[0]}) {
885	my $pkg = $1;	1334	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
886	$pkg =~ s/[^[:word:]]/_/g;
887	$pkg = "ext::$pkg";
888
889	warn "... loading '$path' into '$pkg'\n";
890
891	open my $fh, "<:utf8", $path
892	or die "$path: $!";
893
894	my $source =
895	"package $pkg; use strict; use utf8;\n"
896	. "#line 1 \"$path\"\n{\n"
897	. (do { local $/; <$fh> })
898	. "\n};\n1";
899
900	unless (eval $source) {
901	my $msg = $@ ? "$path: $@\n"
902	: "extension disabled.\n";
903	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
904	warn $@;
905	warn "mandatory extension failed to load, exiting.\n";
906	exit 1;
907	}	1335	}
908	die $@;
909	}	1336	};
910		1337
911	push @EXTS, $pkg;	1338	$grp
912	}	1339	}
913		1340
914	sub load_extensions {	1341	sub load_extensions {
		1342	cf::sync_job {
		1343	my %todo;
		1344
915	for my $ext (<$LIBDIR/*.ext>) {	1345	for my $path (<$LIBDIR/*.ext>) {
916	next unless -r $ext;	1346	next unless -r $path;
917	eval {	1347
918	load_extension $ext;	1348	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1349	my $base = $1;
		1350	my $pkg = $1;
		1351	$pkg =~ s/[^[:word:]]/_/g;
		1352	$pkg = "ext::$pkg";
		1353
		1354	open my $fh, "<:utf8", $path
		1355	or die "$path: $!";
		1356
		1357	my $source = do { local $/; <$fh> };
		1358
		1359	my %ext = (
		1360	path => $path,
		1361	base => $base,
		1362	pkg => $pkg,
		1363	);
		1364
		1365	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1366	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1367
		1368	$ext{source} =
		1369	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1370	. "#line 1 \"$path\"\n{\n"
		1371	. $source
		1372	. "\n};\n1";
		1373
		1374	$todo{$base} = \%ext;
		1375	}
		1376
		1377	my %done;
		1378	while (%todo) {
		1379	my $progress;
		1380
		1381	while (my ($k, $v) = each %todo) {
		1382	for (split /,\s*/, $v->{meta}{depends}) {
		1383	goto skip
		1384	unless exists $done{$_};
		1385	}
		1386
		1387	warn "... loading '$k' into '$v->{pkg}'\n";
		1388
		1389	unless (eval $v->{source}) {
		1390	my $msg = $@ ? "$v->{path}: $@\n"
		1391	: "$v->{base}: extension inactive.\n";
		1392
		1393	if (exists $v->{meta}{mandatory}) {
		1394	warn $msg;
		1395	cf::cleanup "mandatory extension failed to load, exiting.";
		1396	}
		1397
		1398	warn $msg;
		1399	}
		1400
		1401	$done{$k} = delete $todo{$k};
		1402	push @EXTS, $v->{pkg};
		1403	$progress = 1;
919	1	1404	}
920	} or warn "$ext not loaded: $@";	1405
		1406	skip:
		1407	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1408	unless $progress;
		1409	}
921	}	1410	};
922	}	1411	}
923		1412
924	#############################################################################	1413	#############################################################################
925		1414
		1415	=back
		1416
926	=head2 CORE EXTENSIONS	1417	=head2 CORE EXTENSIONS
927		1418
928	Functions and methods that extend core crossfire objects.	1419	Functions and methods that extend core deliantra objects.
929		1420
930	=cut	1421	=cut
931		1422
932	package cf::player;	1423	package cf::player;
933		1424
…		…
935		1426
936	=head3 cf::player	1427	=head3 cf::player
937		1428
938	=over 4	1429	=over 4
939		1430
		1431	=item cf::player::num_playing
		1432
		1433	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1434
		1435	=cut
		1436
		1437	sub num_playing {
		1438	scalar grep
		1439	$_->ob->map
		1440	&& !$_->hidden
		1441	&& !$_->ob->flag (cf::FLAG_WIZ),
		1442	cf::player::list
		1443	}
		1444
940	=item cf::player::find $login	1445	=item cf::player::find $login
941		1446
942	Returns the given player object, loading it if necessary (might block).	1447	Returns the given player object, loading it if necessary (might block).
943		1448
944	=cut	1449	=cut
945		1450
946	sub playerdir($) {	1451	sub playerdir($) {
947	cf::localdir	1452	"$PLAYERDIR/"
948	. "/"
949	. cf::playerdir
950	. "/"
951	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1453	. (ref $_[0] ? $_[0]->ob->name : $_[0])
952	}	1454	}
953		1455
954	sub path($) {	1456	sub path($) {
955	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1457	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
956		1458
957	(playerdir $login) . "/$login.pl"	1459	(playerdir $login) . "/playerdata"
958	}	1460	}
959		1461
960	sub find_active($) {	1462	sub find_active($) {
961	$cf::PLAYER{$_[0]}	1463	$cf::PLAYER{$_[0]}
962	and $cf::PLAYER{$_[0]}->active	1464	and $cf::PLAYER{$_[0]}->active
…		…
965		1467
966	sub exists($) {	1468	sub exists($) {
967	my ($login) = @_;	1469	my ($login) = @_;
968		1470
969	$cf::PLAYER{$login}	1471	$cf::PLAYER{$login}
970	or cf::sync_job { !aio_stat path $login }	1472	or !aio_stat path $login
971	}	1473	}
972		1474
973	sub find($) {	1475	sub find($) {
974	return $cf::PLAYER{$_[0]} || do {	1476	return $cf::PLAYER{$_[0]} || do {
975	my $login = $_[0];	1477	my $login = $_[0];
976		1478
977	my $guard = cf::lock_acquire "user_find:$login";	1479	my $guard = cf::lock_acquire "user_find:$login";
978		1480
979	$cf::PLAYER{$_[0]} || do {	1481	$cf::PLAYER{$_[0]} || do {
980	my $pl = load_pl path $login	1482	# rename old playerfiles to new ones
		1483	#TODO: remove when no longer required
		1484	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1485	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1486	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1487	aio_unlink +(playerdir $login) . "/$login.pl";
		1488
		1489	my $f = new_from_file cf::object::thawer path $login
981	or return;	1490	or return;
		1491
		1492	my $pl = cf::player::load_pl $f
		1493	or return;
		1494
		1495	local $cf::PLAYER_LOADING{$login} = $pl;
		1496	$f->resolve_delayed_derefs;
982	$cf::PLAYER{$login} = $pl	1497	$cf::PLAYER{$login} = $pl
983	}	1498	}
984	}	1499	}
985	}	1500	}
986		1501
…		…
995	return if $pl->{deny_save};	1510	return if $pl->{deny_save};
996		1511
997	aio_mkdir playerdir $pl, 0770;	1512	aio_mkdir playerdir $pl, 0770;
998	$pl->{last_save} = $cf::RUNTIME;	1513	$pl->{last_save} = $cf::RUNTIME;
999		1514
		1515	cf::get_slot 0.01;
		1516
1000	$pl->save_pl ($path);	1517	$pl->save_pl ($path);
1001	Coro::cede;	1518	cf::cede_to_tick;
1002	}	1519	}
1003		1520
1004	sub new($) {	1521	sub new($) {
1005	my ($login) = @_;	1522	my ($login) = @_;
1006		1523
…		…
1012	$cf::PLAYER{$login} = $self;	1529	$cf::PLAYER{$login} = $self;
1013		1530
1014	$self	1531	$self
1015	}	1532	}
1016		1533
		1534	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1535
		1536	=cut
		1537
		1538	sub send_msg {
		1539	my $ns = shift->ns
		1540	or return;
		1541	$ns->send_msg (@_);
		1542	}
		1543
1017	=item $pl->quit_character	1544	=item $pl->quit_character
1018		1545
1019	Nukes the player without looking back. If logged in, the connection will	1546	Nukes the player without looking back. If logged in, the connection will
1020	be destroyed. May block for a long time.	1547	be destroyed. May block for a long time.
1021		1548
…		…
1025	my ($pl) = @_;	1552	my ($pl) = @_;
1026		1553
1027	my $name = $pl->ob->name;	1554	my $name = $pl->ob->name;
1028		1555
1029	$pl->{deny_save} = 1;	1556	$pl->{deny_save} = 1;
1030	$pl->password ("*"); # this should lock out the player until we nuked the dir	1557	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1031		1558
1032	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1559	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1033	$pl->deactivate;	1560	$pl->deactivate;
		1561	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1562	$pl->ob->check_score;
1034	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1563	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1035	$pl->ns->destroy if $pl->ns;	1564	$pl->ns->destroy if $pl->ns;
1036		1565
1037	my $path = playerdir $pl;	1566	my $path = playerdir $pl;
1038	my $temp = "$path~$cf::RUNTIME~deleting~";	1567	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1068	while and may block, so not sync_job-capable, ever.	1597	while and may block, so not sync_job-capable, ever.
1069		1598
1070	=cut	1599	=cut
1071		1600
1072	sub list_logins {	1601	sub list_logins {
1073	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1602	my $dirs = aio_readdir $PLAYERDIR
1074	or return [];	1603	or return [];
1075		1604
1076	my @logins;	1605	my @logins;
1077		1606
1078	for my $login (@$dirs) {	1607	for my $login (@$dirs) {
		1608	my $path = path $login;
		1609
		1610	# a .pst is a dead give-away for a valid player
		1611	# if no pst file found, open and chekc for blocked users
		1612	if (aio_stat "$path.pst") {
1079	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1613	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1080	aio_read $fh, 0, 512, my $buf, 0 or next;	1614	aio_read $fh, 0, 512, my $buf, 0 or next;
1081	$buf !~ /^password -------------$/m or next; # official not-valid tag	1615	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1616	}
1082		1617
1083	utf8::decode $login;	1618	utf8::decode $login;
1084	push @logins, $login;	1619	push @logins, $login;
1085	}	1620	}
1086		1621
…		…
1113	}	1648	}
1114		1649
1115	\@paths	1650	\@paths
1116	}	1651	}
1117		1652
		1653	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1654
		1655	Expand deliantra pod fragments into protocol xml.
		1656
1118	=item $player->ext_reply ($msgid, $msgtype, %msg)	1657	=item $player->ext_reply ($msgid, @msg)
1119		1658
1120	Sends an ext reply to the player.	1659	Sends an ext reply to the player.
1121		1660
1122	=cut	1661	=cut
1123		1662
1124	sub ext_reply($$$%) {	1663	sub ext_reply($$@) {
1125	my ($self, $id, %msg) = @_;	1664	my ($self, $id, @msg) = @_;
1126		1665
1127	$msg{msgid} = $id;	1666	$self->ns->ext_reply ($id, @msg)
1128
1129	$self->send ("ext " . cf::to_json \%msg);
1130	}	1667	}
1131		1668
1132	package cf;	1669	=item $player->ext_msg ($type, @msg)
		1670
		1671	Sends an ext event to the client.
		1672
		1673	=cut
		1674
		1675	sub ext_msg($$@) {
		1676	my ($self, $type, @msg) = @_;
		1677
		1678	$self->ns->ext_msg ($type, @msg);
		1679	}
		1680
		1681	=head3 cf::region
		1682
		1683	=over 4
		1684
		1685	=cut
		1686
		1687	package cf::region;
		1688
		1689	=item cf::region::find_by_path $path
		1690
		1691	Tries to decuce the likely region for a map knowing only its path.
		1692
		1693	=cut
		1694
		1695	sub find_by_path($) {
		1696	my ($path) = @_;
		1697
		1698	my ($match, $specificity);
		1699
		1700	for my $region (list) {
		1701	if ($region->{match} && $path =~ $region->{match}) {
		1702	($match, $specificity) = ($region, $region->specificity)
		1703	if $region->specificity > $specificity;
		1704	}
		1705	}
		1706
		1707	$match
		1708	}
1133		1709
1134	=back	1710	=back
1135
1136		1711
1137	=head3 cf::map	1712	=head3 cf::map
1138		1713
1139	=over 4	1714	=over 4
1140		1715
…		…
1152	our $MAX_RESET = 3600;	1727	our $MAX_RESET = 3600;
1153	our $DEFAULT_RESET = 3000;	1728	our $DEFAULT_RESET = 3000;
1154		1729
1155	sub generate_random_map {	1730	sub generate_random_map {
1156	my ($self, $rmp) = @_;	1731	my ($self, $rmp) = @_;
		1732
		1733	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1734
1157	# mit "rum" bekleckern, nicht	1735	# mit "rum" bekleckern, nicht
1158	$self->_create_random_map (	1736	$self->_create_random_map (
1159	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1737	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1160	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1738	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1161	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1739	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1195	my ($self, $merge) = @_;	1773	my ($self, $merge) = @_;
1196		1774
1197	# we have to keep some variables in memory intact	1775	# we have to keep some variables in memory intact
1198	local $self->{path};	1776	local $self->{path};
1199	local $self->{load_path};	1777	local $self->{load_path};
1200	local $self->{deny_save};
1201	local $self->{deny_reset};
1202		1778
1203	$self->SUPER::thawer_merge ($merge);	1779	$self->SUPER::thawer_merge ($merge);
1204	}	1780	}
1205		1781
1206	sub normalise {	1782	sub normalise {
…		…
1253	$self->init; # pass $1 etc.	1829	$self->init; # pass $1 etc.
1254	return $self;	1830	return $self;
1255	}	1831	}
1256	}	1832	}
1257		1833
1258	Carp::carp "unable to resolve path '$path' (base '$base').";	1834	Carp::cluck "unable to resolve path '$path' (base '$base').";
1259	()	1835	()
1260	}	1836	}
1261		1837
1262	sub init {	1838	sub init {
1263	my ($self) = @_;	1839	my ($self) = @_;
…		…
1278		1854
1279	# the original (read-only) location	1855	# the original (read-only) location
1280	sub load_path {	1856	sub load_path {
1281	my ($self) = @_;	1857	my ($self) = @_;
1282		1858
1283	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1859	"$MAPDIR/$self->{path}.map"
1284	}	1860	}
1285		1861
1286	# the temporary/swap location	1862	# the temporary/swap location
1287	sub save_path {	1863	sub save_path {
1288	my ($self) = @_;	1864	my ($self) = @_;
1289		1865
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1866	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1291	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1867	"$TMPDIR/$path.map"
1292	}	1868	}
1293		1869
1294	# the unique path, undef == no special unique path	1870	# the unique path, undef == no special unique path
1295	sub uniq_path {	1871	sub uniq_path {
1296	my ($self) = @_;	1872	my ($self) = @_;
1297		1873
1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1874	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1299	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1875	"$UNIQUEDIR/$path"
1300	}	1876	}
1301		1877
1302	# and all this just because we cannot iterate over	1878	sub decay_objects {
1303	# all maps in C++...
1304	sub change_all_map_light {
1305	my ($change) = @_;	1879	my ($self) = @_;
1306		1880
1307	$_->change_map_light ($change)	1881	return if $self->{deny_reset};
1308	for grep $_->outdoor, values %cf::MAP;	1882
		1883	$self->do_decay_objects;
1309	}	1884	}
1310		1885
1311	sub unlink_save {	1886	sub unlink_save {
1312	my ($self) = @_;	1887	my ($self) = @_;
1313		1888
…		…
1318		1893
1319	sub load_header_from($) {	1894	sub load_header_from($) {
1320	my ($self, $path) = @_;	1895	my ($self, $path) = @_;
1321		1896
1322	utf8::encode $path;	1897	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	1898	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	or return;	1899	or return;
		1900
		1901	$self->_load_header ($f)
		1902	or return;
		1903
		1904	local $MAP_LOADING{$self->{path}} = $self;
		1905	$f->resolve_delayed_derefs;
1328		1906
1329	$self->{load_path} = $path;	1907	$self->{load_path} = $path;
1330		1908
1331	1	1909	1
1332	}	1910	}
…		…
1371	$self->load_header_orig	1949	$self->load_header_orig
1372	or return;	1950	or return;
1373	$self->prepare_orig;	1951	$self->prepare_orig;
1374	}	1952	}
1375		1953
		1954	$self->{deny_reset} = 1
		1955	if $self->no_reset;
		1956
		1957	$self->default_region (cf::region::find_by_path $self->{path})
		1958	unless $self->default_region;
		1959
1376	1	1960	1
1377	}	1961	}
1378		1962
1379	sub find;	1963	sub find;
1380	sub find {	1964	sub find {
1381	my ($path, $origin) = @_;	1965	my ($path, $origin) = @_;
1382		1966
1383	$path = normalise $path, $origin && $origin->path;	1967	$path = normalise $path, $origin && $origin->path;
1384		1968
		1969	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1385	cf::lock_wait "map_find:$path";	1970	my $guard2 = cf::lock_acquire "map_find:$path";
1386		1971
1387	$cf::MAP{$path} || do {	1972	$cf::MAP{$path} || do {
1388	my $guard = cf::lock_acquire "map_find:$path";
1389	my $map = new_from_path cf::map $path	1973	my $map = new_from_path cf::map $path
1390	or return;	1974	or return;
1391		1975
1392	$map->{last_save} = $cf::RUNTIME;	1976	$map->{last_save} = $cf::RUNTIME;
1393		1977
1394	$map->load_header	1978	$map->load_header
1395	or return;	1979	or return;
1396		1980
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1981	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	1982	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	1983	#$cf::WAIT_FOR_TICK->wait;
		1984	undef $guard2;
		1985	undef $guard1;
1400	$map->reset;	1986	$map->reset;
1401	undef $guard;
1402	return find $path;	1987	return find $path;
1403	}	1988	}
1404		1989
1405	$cf::MAP{$path} = $map	1990	$cf::MAP{$path} = $map
1406	}	1991	}
…		…
1413	my ($self) = @_;	1998	my ($self) = @_;
1414		1999
1415	local $self->{deny_reset} = 1; # loading can take a long time	2000	local $self->{deny_reset} = 1; # loading can take a long time
1416		2001
1417	my $path = $self->{path};	2002	my $path = $self->{path};
		2003
		2004	{
1418	my $guard = cf::lock_acquire "map_load:$path";	2005	my $guard = cf::lock_acquire "map_data:$path";
1419		2006
		2007	return unless $self->valid;
1420	return if $self->in_memory != cf::MAP_SWAPPED;	2008	return unless $self->in_memory == cf::MAP_SWAPPED;
1421		2009
1422	$self->in_memory (cf::MAP_LOADING);	2010	$self->in_memory (cf::MAP_LOADING);
1423		2011
1424	$self->alloc;	2012	$self->alloc;
1425		2013
1426	$self->pre_load;	2014	$self->pre_load;
		2015	cf::cede_to_tick;
1427		2016
1428	$self->_load_objects ($self->{load_path}, 1)	2017	my $f = new_from_file cf::object::thawer $self->{load_path};
		2018	$f->skip_block;
		2019	$self->_load_objects ($f)
1429	or return;	2020	or return;
1430		2021
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2022	$self->post_load_original
1432	if delete $self->{load_original};	2023	if delete $self->{load_original};
1433		2024
1434	if (my $uniq = $self->uniq_path) {	2025	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	2026	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	2027	unless (aio_stat $uniq) {
		2028	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	2029	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	2030	$self->_load_objects ($f);
		2031	$f->resolve_delayed_derefs;
		2032	}
1439	}	2033	}
1440	}	2034	}
1441		2035
1442	Coro::cede;	2036	$f->resolve_delayed_derefs;
1443		2037
		2038	cf::cede_to_tick;
1444	# now do the right thing for maps	2039	# now do the right thing for maps
1445	$self->link_multipart_objects;	2040	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;
1452	$self->set_darkness_map;
1453	$self->difficulty ($self->estimate_difficulty)	2041	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	2042	unless $self->difficulty;
1455	Coro::cede;	2043	cf::cede_to_tick;
		2044
		2045	unless ($self->{deny_activate}) {
		2046	$self->decay_objects;
		2047	$self->fix_auto_apply;
		2048	$self->update_buttons;
		2049	cf::cede_to_tick;
1456	$self->activate;	2050	$self->activate;
		2051	}
		2052
		2053	$self->{last_save} = $cf::RUNTIME;
		2054	$self->last_access ($cf::RUNTIME);
		2055
		2056	$self->in_memory (cf::MAP_ACTIVE);
1457	}	2057	}
1458		2058
1459	$self->post_load;	2059	$self->post_load;
1460
1461	$self->in_memory (cf::MAP_IN_MEMORY);
1462	}	2060	}
1463		2061
1464	sub customise_for {	2062	sub customise_for {
1465	my ($self, $ob) = @_;	2063	my ($self, $ob) = @_;
1466		2064
1467	return find "~" . $ob->name . "/" . $self->{path}	2065	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	2066	if $self->per_player;
1469		2067
		2068	# return find "?party/" . $ob->name . "/" . $self->{path}
		2069	# if $self->per_party;
		2070
1470	$self	2071	$self
1471	}	2072	}
1472		2073
1473	# find and load all maps in the 3x3 area around a map	2074	# find and load all maps in the 3x3 area around a map
1474	sub load_diag {	2075	sub load_neighbours {
1475	my ($map) = @_;	2076	my ($map) = @_;
1476		2077
1477	my @diag; # diagonal neighbours	2078	my @neigh; # diagonal neighbours
1478		2079
1479	for (0 .. 3) {	2080	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)	2081	my $neigh = $map->tile_path ($_)
1481	or next;	2082	or next;
1482	$neigh = find $neigh, $map	2083	$neigh = find $neigh, $map
1483	or next;	2084	or next;
1484	$neigh->load;	2085	$neigh->load;
1485		2086
		2087	push @neigh,
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2088	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2089	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}	2090	}
1489		2091
1490	for (@diag) {	2092	for (grep defined $_->[0], @neigh) {
		2093	my ($path, $origin) = @$_;
1491	my $neigh = find @$_	2094	my $neigh = find $path, $origin
1492	or next;	2095	or next;
1493	$neigh->load;	2096	$neigh->load;
1494	}	2097	}
1495	}	2098	}
1496		2099
…		…
1501	}	2104	}
1502		2105
1503	sub do_load_sync {	2106	sub do_load_sync {
1504	my ($map) = @_;	2107	my ($map) = @_;
1505		2108
		2109	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2110	if $Coro::current == $Coro::main;
		2111
1506	cf::sync_job { $map->load };	2112	cf::sync_job { $map->load };
1507	}	2113	}
1508		2114
1509	our %MAP_PREFETCH;	2115	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	2116	our $MAP_PREFETCHER = undef;
1511		2117
1512	sub find_async {	2118	sub find_async {
1513	my ($path, $origin) = @_;	2119	my ($path, $origin, $load) = @_;
1514		2120
1515	$path = normalise $path, $origin && $origin->{path};	2121	$path = normalise $path, $origin && $origin->{path};
1516		2122
1517	if (my $map = $cf::MAP{$path}) {	2123	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2124	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1519	}	2125	}
1520		2126
1521	undef $MAP_PREFETCH{$path};	2127	$MAP_PREFETCH{$path} |= $load;
		2128
1522	$MAP_PREFETCHER ||= cf::async {	2129	$MAP_PREFETCHER ||= cf::async {
		2130	$Coro::current->{desc} = "map prefetcher";
		2131
1523	while (%MAP_PREFETCH) {	2132	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2133	while (my ($k, $v) = each %MAP_PREFETCH) {
1525	my $map = find $path	2134	if (my $map = find $k) {
1526	or next;
1527	$map->load;	2135	$map->load if $v;
		2136	}
1528		2137
1529	delete $MAP_PREFETCH{$path};	2138	delete $MAP_PREFETCH{$k};
1530	}	2139	}
1531	}	2140	}
1532	undef $MAP_PREFETCHER;	2141	undef $MAP_PREFETCHER;
1533	};	2142	};
1534	$MAP_PREFETCHER->prio (6);	2143	$MAP_PREFETCHER->prio (6);
…		…
1537	}	2146	}
1538		2147
1539	sub save {	2148	sub save {
1540	my ($self) = @_;	2149	my ($self) = @_;
1541		2150
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;	2151	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2152
1544	$self->{last_save} = $cf::RUNTIME;	2153	$self->{last_save} = $cf::RUNTIME;
1545		2154
1546	return unless $self->dirty;	2155	return unless $self->dirty;
1547		2156
…		…
1553	return if $self->{deny_save};	2162	return if $self->{deny_save};
1554		2163
1555	local $self->{last_access} = $self->last_access;#d#	2164	local $self->{last_access} = $self->last_access;#d#
1556		2165
1557	cf::async {	2166	cf::async {
		2167	$Coro::current->{desc} = "map player save";
1558	$_->contr->save for $self->players;	2168	$_->contr->save for $self->players;
1559	};	2169	};
		2170
		2171	cf::get_slot 0.02;
1560		2172
1561	if ($uniq) {	2173	if ($uniq) {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2174	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2175	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1564	} else {	2176	} else {
…		…
1570	my ($self) = @_;	2182	my ($self) = @_;
1571		2183
1572	# save first because save cedes	2184	# save first because save cedes
1573	$self->save;	2185	$self->save;
1574		2186
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2187	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2188
1577	return if $self->players;	2189	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;	2190	return if $self->in_memory != cf::MAP_ACTIVE;
1579	return if $self->{deny_save};	2191	return if $self->{deny_save};
1580		2192
		2193	$self->in_memory (cf::MAP_SWAPPED);
		2194
		2195	$self->deactivate;
		2196	$_->clear_links_to ($self) for values %cf::MAP;
1581	$self->clear;	2197	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2198	}
1584		2199
1585	sub reset_at {	2200	sub reset_at {
1586	my ($self) = @_;	2201	my ($self) = @_;
1587		2202
1588	# TODO: safety, remove and allow resettable per-player maps	2203	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	2204	return 1e99 if $self->{deny_reset};
1591		2205
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2206	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2207	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		2208
…		…
1605	my ($self) = @_;	2219	my ($self) = @_;
1606		2220
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2221	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2222
1609	return if $self->players;	2223	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2224
1612	warn "resetting map ", $self->path;#d#	2225	warn "resetting map ", $self->path, "\n";
1613		2226
1614	$self->in_memory (cf::MAP_SWAPPED);	2227	$self->in_memory (cf::MAP_SWAPPED);
1615		2228
1616	# need to save uniques path	2229	# need to save uniques path
1617	unless ($self->{deny_save}) {	2230	unless ($self->{deny_save}) {
…		…
1621	if $uniq;	2234	if $uniq;
1622	}	2235	}
1623		2236
1624	delete $cf::MAP{$self->path};	2237	delete $cf::MAP{$self->path};
1625		2238
		2239	$self->deactivate;
		2240	$_->clear_links_to ($self) for values %cf::MAP;
1626	$self->clear;	2241	$self->clear;
1627
1628	$_->clear_links_to ($self) for values %cf::MAP;
1629		2242
1630	$self->unlink_save;	2243	$self->unlink_save;
1631	$self->destroy;	2244	$self->destroy;
1632	}	2245	}
1633		2246
1634	my $nuke_counter = "aaaa";	2247	my $nuke_counter = "aaaa";
1635		2248
1636	sub nuke {	2249	sub nuke {
1637	my ($self) = @_;	2250	my ($self) = @_;
1638		2251
		2252	{
		2253	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2254
1639	delete $cf::MAP{$self->path};	2255	delete $cf::MAP{$self->path};
1640		2256
1641	$self->unlink_save;	2257	$self->unlink_save;
1642		2258
1643	bless $self, "cf::map";	2259	bless $self, "cf::map";
1644	delete $self->{deny_reset};	2260	delete $self->{deny_reset};
1645	$self->{deny_save} = 1;	2261	$self->{deny_save} = 1;
1646	$self->reset_timeout (1);	2262	$self->reset_timeout (1);
1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2263	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1648		2264
1649	$cf::MAP{$self->path} = $self;	2265	$cf::MAP{$self->path} = $self;
		2266	}
1650		2267
1651	$self->reset; # polite request, might not happen	2268	$self->reset; # polite request, might not happen
		2269	}
		2270
		2271	=item $maps = cf::map::tmp_maps
		2272
		2273	Returns an arrayref with all map paths of currently instantiated and saved
		2274	maps. May block.
		2275
		2276	=cut
		2277
		2278	sub tmp_maps() {
		2279	[
		2280	map {
		2281	utf8::decode $_;
		2282	/\.map$/
		2283	? normalise $_
		2284	: ()
		2285	} @{ aio_readdir $TMPDIR or [] }
		2286	]
		2287	}
		2288
		2289	=item $maps = cf::map::random_maps
		2290
		2291	Returns an arrayref with all map paths of currently instantiated and saved
		2292	random maps. May block.
		2293
		2294	=cut
		2295
		2296	sub random_maps() {
		2297	[
		2298	map {
		2299	utf8::decode $_;
		2300	/\.map$/
		2301	? normalise "?random/$_"
		2302	: ()
		2303	} @{ aio_readdir $RANDOMDIR or [] }
		2304	]
1652	}	2305	}
1653		2306
1654	=item cf::map::unique_maps	2307	=item cf::map::unique_maps
1655		2308
1656	Returns an arrayref of paths of all shared maps that have	2309	Returns an arrayref of paths of all shared maps that have
1657	instantiated unique items. May block.	2310	instantiated unique items. May block.
1658		2311
1659	=cut	2312	=cut
1660		2313
1661	sub unique_maps() {	2314	sub unique_maps() {
1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2315	[
1663	or return;	2316	map {
1664
1665	my @paths;
1666
1667	for (@$files) {
1668	utf8::decode $_;	2317	utf8::decode $_;
1669	next if /\.pst$/;	2318	s/\.map$//; # TODO future compatibility hack
1670	next unless /^$PATH_SEP/o;	2319	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1671		2320	? ()
1672	push @paths, cf::map::normalise $_;	2321	: normalise $_
		2322	} @{ aio_readdir $UNIQUEDIR or [] }
1673	}	2323	]
1674
1675	\@paths
1676	}	2324	}
1677
1678	package cf;
1679		2325
1680	=back	2326	=back
1681		2327
1682	=head3 cf::object	2328	=head3 cf::object
1683		2329
…		…
1687		2333
1688	=over 4	2334	=over 4
1689		2335
1690	=item $ob->inv_recursive	2336	=item $ob->inv_recursive
1691		2337
1692	Returns the inventory of the object _and_ their inventories, recursively.	2338	Returns the inventory of the object I<and> their inventories, recursively,
		2339	but I<not> the object itself.
1693		2340
1694	=cut	2341	=cut
1695		2342
1696	sub inv_recursive_;	2343	sub inv_recursive_;
1697	sub inv_recursive_ {	2344	sub inv_recursive_ {
…		…
1700		2347
1701	sub inv_recursive {	2348	sub inv_recursive {
1702	inv_recursive_ inv $_[0]	2349	inv_recursive_ inv $_[0]
1703	}	2350	}
1704		2351
		2352	=item $ref = $ob->ref
		2353
		2354	Creates and returns a persistent reference to an object that can be stored as a string.
		2355
		2356	=item $ob = cf::object::deref ($refstring)
		2357
		2358	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2359	even if the object actually exists. May block.
		2360
		2361	=cut
		2362
		2363	sub deref {
		2364	my ($ref) = @_;
		2365
		2366	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2367	my ($uuid, $name) = ($1, $2);
		2368	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2369	or return;
		2370	$pl->ob->uuid eq $uuid
		2371	or return;
		2372
		2373	$pl->ob
		2374	} else {
		2375	warn "$ref: cannot resolve object reference\n";
		2376	undef
		2377	}
		2378	}
		2379
1705	package cf;	2380	package cf;
1706		2381
1707	=back	2382	=back
1708		2383
1709	=head3 cf::object::player	2384	=head3 cf::object::player
…		…
1715	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2390	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1716	can be C<undef>. Does the right thing when the player is currently in a	2391	can be C<undef>. Does the right thing when the player is currently in a
1717	dialogue with the given NPC character.	2392	dialogue with the given NPC character.
1718		2393
1719	=cut	2394	=cut
		2395
		2396	our $SAY_CHANNEL = {
		2397	id => "say",
		2398	title => "Map",
		2399	reply => "say ",
		2400	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2401	};
		2402
		2403	our $CHAT_CHANNEL = {
		2404	id => "chat",
		2405	title => "Chat",
		2406	reply => "chat ",
		2407	tooltip => "Player chat and shouts, global to the server.",
		2408	};
1720		2409
1721	# rough implementation of a future "reply" method that works	2410	# rough implementation of a future "reply" method that works
1722	# with dialog boxes.	2411	# with dialog boxes.
1723	#TODO: the first argument must go, split into a $npc->reply_to ( method	2412	#TODO: the first argument must go, split into a $npc->reply_to ( method
1724	sub cf::object::player::reply($$$;$) {	2413	sub cf::object::player::reply($$$;$) {
…		…
1726		2415
1727	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2416	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1728		2417
1729	if ($self->{record_replies}) {	2418	if ($self->{record_replies}) {
1730	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2419	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2420
1731	} else {	2421	} else {
		2422	my $pl = $self->contr;
		2423
		2424	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2425	my $dialog = $pl->{npc_dialog};
		2426	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2427
		2428	} else {
1732	$msg = $npc->name . " says: $msg" if $npc;	2429	$msg = $npc->name . " says: $msg" if $npc;
1733	$self->message ($msg, $flags);	2430	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2431	}
1734	}	2432	}
		2433	}
		2434
		2435	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2436
		2437	=cut
		2438
		2439	sub cf::object::send_msg {
		2440	my $pl = shift->contr
		2441	or return;
		2442	$pl->send_msg (@_);
1735	}	2443	}
1736		2444
1737	=item $player_object->may ("access")	2445	=item $player_object->may ("access")
1738		2446
1739	Returns wether the given player is authorized to access resource "access"	2447	Returns wether the given player is authorized to access resource "access"
…		…
1752		2460
1753	=item $player_object->enter_link	2461	=item $player_object->enter_link
1754		2462
1755	Freezes the player and moves him/her to a special map (C<{link}>).	2463	Freezes the player and moves him/her to a special map (C<{link}>).
1756		2464
1757	The player should be reasonably safe there for short amounts of time. You	2465	The player should be reasonably safe there for short amounts of time (e.g.
1758	I<MUST> call C<leave_link> as soon as possible, though.	2466	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2467	though, as the palyer cannot control the character while it is on the link
		2468	map.
1759		2469
1760	Will never block.	2470	Will never block.
1761		2471
1762	=item $player_object->leave_link ($map, $x, $y)	2472	=item $player_object->leave_link ($map, $x, $y)
1763		2473
…		…
1786	$self->deactivate_recursive;	2496	$self->deactivate_recursive;
1787		2497
1788	return if UNIVERSAL::isa $self->map, "ext::map_link";	2498	return if UNIVERSAL::isa $self->map, "ext::map_link";
1789		2499
1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2500	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791	if $self->map;	2501	if $self->map && $self->map->{path} ne "{link}";
1792		2502
1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2503	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1794	}	2504	}
1795		2505
1796	sub cf::object::player::leave_link {	2506	sub cf::object::player::leave_link {
1797	my ($self, $map, $x, $y) = @_;	2507	my ($self, $map, $x, $y) = @_;
		2508
		2509	return unless $self->contr->active;
1798		2510
1799	my $link_pos = delete $self->{_link_pos};	2511	my $link_pos = delete $self->{_link_pos};
1800		2512
1801	unless ($map) {	2513	unless ($map) {
1802	# restore original map position	2514	# restore original map position
…		…
1816	# use -1 or undef as default coordinates, not 0, 0	2528	# use -1 or undef as default coordinates, not 0, 0
1817	($x, $y) = ($map->enter_x, $map->enter_y)	2529	($x, $y) = ($map->enter_x, $map->enter_y)
1818	if $x <=0 && $y <= 0;	2530	if $x <=0 && $y <= 0;
1819		2531
1820	$map->load;	2532	$map->load;
1821	$map->load_diag;	2533	$map->load_neighbours;
1822		2534
1823	return unless $self->contr->active;	2535	return unless $self->contr->active;
1824	$self->activate_recursive;
1825		2536
1826	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2537	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1827	$self->enter_map ($map, $x, $y);	2538	$self->enter_map ($map, $x, $y);
1828	}
1829		2539
1830	cf::player->attach (	2540	# only activate afterwards, to support waiting in hooks
1831	on_logout => sub {	2541	$self->activate_recursive;
1832	my ($pl) = @_;	2542	}
1833		2543
1834	# abort map switching before logout	2544	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1835	if ($pl->ob->{_link_pos}) {
1836	cf::sync_job {
1837	$pl->ob->leave_link
1838	};
1839	}
1840	},
1841	on_login => sub {
1842	my ($pl) = @_;
1843		2545
1844	# try to abort aborted map switching on player login :)	2546	Moves the player to the given map-path and coordinates by first freezing
1845	# should happen only on crashes	2547	her, loading and preparing them map, calling the provided $check callback
1846	if ($pl->ob->{_link_pos}) {	2548	that has to return the map if sucecssful, and then unfreezes the player on
1847	$pl->ob->enter_link;	2549	the new (success) or old (failed) map position. In either case, $done will
1848	(async {	2550	be called at the end of this process.
1849	$pl->ob->reply (undef,
1850	"There was an internal problem at your last logout, "
1851	. "the server will try to bring you to your intended destination in a second.",
1852	cf::NDI_RED);
1853	# we need this sleep as the login has a concurrent enter_exit running
1854	# and this sleep increases chances of the player not ending up in scorn
1855	Coro::Timer::sleep 1;
1856	$pl->ob->leave_link;
1857	})->prio (2);
1858	}
1859	},
1860	);
1861		2551
1862	=item $player_object->goto ($path, $x, $y)	2552	Note that $check will be called with a potentially non-loaded map, so if
		2553	it needs a loaded map it has to call C<< ->load >>.
1863		2554
1864	=cut	2555	=cut
		2556
		2557	our $GOTOGEN;
1865		2558
1866	sub cf::object::player::goto {	2559	sub cf::object::player::goto {
1867	my ($self, $path, $x, $y) = @_;	2560	my ($self, $path, $x, $y, $check, $done) = @_;
		2561
		2562	# do generation counting so two concurrent goto's will be executed in-order
		2563	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1868		2564
1869	$self->enter_link;	2565	$self->enter_link;
1870		2566
1871	(async {	2567	(async {
		2568	$Coro::current->{desc} = "player::goto $path $x $y";
		2569
		2570	# *tag paths override both path and x|y
		2571	if ($path =~ /^\*(.*)$/) {
		2572	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2573	my $ob = $obs[rand @obs];
		2574
		2575	# see if we actually can go there
		2576	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2577	$ob = $obs[rand @obs];
		2578	} else {
		2579	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2580	}
		2581	# else put us there anyways for now #d#
		2582
		2583	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2584	} else {
		2585	($path, $x, $y) = (undef, undef, undef);
		2586	}
		2587	}
		2588
1872	my $map = eval {	2589	my $map = eval {
1873	my $map = cf::map::find $path;	2590	my $map = defined $path ? cf::map::find $path : undef;
		2591
		2592	if ($map) {
1874	$map = $map->customise_for ($self) if $map;	2593	$map = $map->customise_for ($self);
		2594	$map = $check->($map) if $check && $map;
		2595	} else {
		2596	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2597	}
		2598
1875	$map	2599	$map
		2600	};
		2601
		2602	if ($@) {
		2603	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2604	LOG llevError | logBacktrace, Carp::longmess $@;
1876	} or	2605	}
1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1878		2606
		2607	if ($gen == $self->{_goto_generation}) {
		2608	delete $self->{_goto_generation};
1879	$self->leave_link ($map, $x, $y);	2609	$self->leave_link ($map, $x, $y);
		2610	}
		2611
		2612	$done->() if $done;
1880	})->prio (1);	2613	})->prio (1);
1881	}	2614	}
1882		2615
1883	=item $player_object->enter_exit ($exit_object)	2616	=item $player_object->enter_exit ($exit_object)
1884		2617
…		…
1904	}	2637	}
1905		2638
1906	sub prepare_random_map {	2639	sub prepare_random_map {
1907	my ($exit) = @_;	2640	my ($exit) = @_;
1908		2641
1909	my $guard = cf::lock_acquire "exit_prepare:$exit";
1910
1911	# all this does is basically replace the /! path by	2642	# all this does is basically replace the /! path by
1912	# a new random map path (?random/...) with a seed	2643	# a new random map path (?random/...) with a seed
1913	# that depends on the exit object	2644	# that depends on the exit object
1914		2645
1915	my $rmp = parse_random_map_params $exit->msg;	2646	my $rmp = parse_random_map_params $exit->msg;
…		…
1917	if ($exit->map) {	2648	if ($exit->map) {
1918	$rmp->{region} = $exit->region->name;	2649	$rmp->{region} = $exit->region->name;
1919	$rmp->{origin_map} = $exit->map->path;	2650	$rmp->{origin_map} = $exit->map->path;
1920	$rmp->{origin_x} = $exit->x;	2651	$rmp->{origin_x} = $exit->x;
1921	$rmp->{origin_y} = $exit->y;	2652	$rmp->{origin_y} = $exit->y;
		2653
		2654	$exit->map->touch;
1922	}	2655	}
1923		2656
1924	$rmp->{random_seed} ||= $exit->random_seed;	2657	$rmp->{random_seed} ||= $exit->random_seed;
1925		2658
1926	my $data = cf::to_json $rmp;	2659	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1927	my $md5 = Digest::MD5::md5_hex $data;	2660	my $md5 = Digest::MD5::md5_hex $data;
1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2661	my $meta = "$RANDOMDIR/$md5.meta";
1929		2662
1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2663	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1931	aio_write $fh, 0, (length $data), $data, 0;	2664	aio_write $fh, 0, (length $data), $data, 0;
1932	undef $fh;	2665	undef $fh;
1933	aio_rename "$meta~", $meta;	2666	aio_rename "$meta~", $meta;
1934		2667
		2668	my $slaying = "?random/$md5";
		2669
		2670	if ($exit->valid) {
1935	$exit->slaying ("?random/$md5");	2671	$exit->slaying ("?random/$md5");
1936	$exit->msg (undef);	2672	$exit->msg (undef);
		2673	}
1937	}	2674	}
1938	}	2675	}
1939		2676
1940	sub cf::object::player::enter_exit {	2677	sub cf::object::player::enter_exit {
1941	my ($self, $exit) = @_;	2678	my ($self, $exit) = @_;
1942		2679
1943	return unless $self->type == cf::PLAYER;	2680	return unless $self->type == cf::PLAYER;
1944		2681
1945	if ($exit->slaying eq "/!") {
1946	#TODO: this should de-fi-ni-te-ly not be a sync-job
1947	cf::sync_job { prepare_random_map $exit };
1948	}
1949
1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1951	my $hp = $exit->stats->hp;
1952	my $sp = $exit->stats->sp;
1953
1954	$self->enter_link;	2682	$self->enter_link;
1955		2683
1956	(async {	2684	(async {
1957	$self->deactivate_recursive; # just to be sure	2685	$Coro::current->{desc} = "enter_exit";
		2686
1958	unless (eval {	2687	unless (eval {
		2688	$self->deactivate_recursive; # just to be sure
		2689
		2690	# random map handling
		2691	{
		2692	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2693
		2694	prepare_random_map $exit
		2695	if $exit->slaying eq "/!";
		2696	}
		2697
		2698	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2699	my $x = $exit->stats->hp;
		2700	my $y = $exit->stats->sp;
		2701
1959	$self->goto ($slaying, $hp, $sp);	2702	$self->goto ($map, $x, $y);
1960		2703
		2704	# if exit is damned, update players death & WoR home-position
		2705	$self->contr->savebed ($map, $x, $y)
		2706	if $exit->flag (cf::FLAG_DAMNED);
		2707
1961	1;	2708	1
1962	}) {	2709	}) {
1963	$self->message ("Something went wrong deep within the crossfire server. "	2710	$self->message ("Something went wrong deep within the deliantra server. "
1964	. "I'll try to bring you back to the map you were before. "	2711	. "I'll try to bring you back to the map you were before. "
1965	. "Please report this to the dungeon master!",	2712	. "Please report this to the dungeon master!",
1966	cf::NDI_UNIQUE | cf::NDI_RED);	2713	cf::NDI_UNIQUE | cf::NDI_RED);
1967		2714
1968	warn "ERROR in enter_exit: $@";	2715	warn "ERROR in enter_exit: $@";
1969	$self->leave_link;	2716	$self->leave_link;
1970	}	2717	}
1971	})->prio (1);	2718	})->prio (1);
…		…
1987		2734
1988	utf8::encode $text;	2735	utf8::encode $text;
1989	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2736	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1990	}	2737	}
1991		2738
		2739	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2740
		2741	Send a drawinfo or msg packet to the client, formatting the msg for the
		2742	client if neccessary. C<$type> should be a string identifying the type of
		2743	the message, with C<log> being the default. If C<$color> is negative, suppress
		2744	the message unless the client supports the msg packet.
		2745
		2746	=cut
		2747
		2748	# non-persistent channels (usually the info channel)
		2749	our %CHANNEL = (
		2750	"c/identify" => {
		2751	id => "infobox",
		2752	title => "Identify",
		2753	reply => undef,
		2754	tooltip => "Items recently identified",
		2755	},
		2756	"c/examine" => {
		2757	id => "infobox",
		2758	title => "Examine",
		2759	reply => undef,
		2760	tooltip => "Signs and other items you examined",
		2761	},
		2762	"c/book" => {
		2763	id => "infobox",
		2764	title => "Book",
		2765	reply => undef,
		2766	tooltip => "The contents of a note or book",
		2767	},
		2768	"c/lookat" => {
		2769	id => "infobox",
		2770	title => "Look",
		2771	reply => undef,
		2772	tooltip => "What you saw there",
		2773	},
		2774	"c/who" => {
		2775	id => "infobox",
		2776	title => "Players",
		2777	reply => undef,
		2778	tooltip => "Shows players who are currently online",
		2779	},
		2780	"c/body" => {
		2781	id => "infobox",
		2782	title => "Body Parts",
		2783	reply => undef,
		2784	tooltip => "Shows which body parts you posess and are available",
		2785	},
		2786	"c/statistics" => {
		2787	id => "infobox",
		2788	title => "Statistics",
		2789	reply => undef,
		2790	tooltip => "Shows your primary statistics",
		2791	},
		2792	"c/skills" => {
		2793	id => "infobox",
		2794	title => "Skills",
		2795	reply => undef,
		2796	tooltip => "Shows your experience per skill and item power",
		2797	},
		2798	"c/shopitems" => {
		2799	id => "infobox",
		2800	title => "Shop Items",
		2801	reply => undef,
		2802	tooltip => "Shows the items currently for sale in this shop",
		2803	},
		2804	"c/resistances" => {
		2805	id => "infobox",
		2806	title => "Resistances",
		2807	reply => undef,
		2808	tooltip => "Shows your resistances",
		2809	},
		2810	"c/pets" => {
		2811	id => "infobox",
		2812	title => "Pets",
		2813	reply => undef,
		2814	tooltip => "Shows information abotu your pets/a specific pet",
		2815	},
		2816	"c/perceiveself" => {
		2817	id => "infobox",
		2818	title => "Perceive Self",
		2819	reply => undef,
		2820	tooltip => "You gained detailed knowledge about yourself",
		2821	},
		2822	"c/uptime" => {
		2823	id => "infobox",
		2824	title => "Uptime",
		2825	reply => undef,
		2826	tooltip => "How long the server has been running since last restart",
		2827	},
		2828	"c/mapinfo" => {
		2829	id => "infobox",
		2830	title => "Map Info",
		2831	reply => undef,
		2832	tooltip => "Information related to the maps",
		2833	},
		2834	"c/party" => {
		2835	id => "party",
		2836	title => "Party",
		2837	reply => "gsay ",
		2838	tooltip => "Messages and chat related to your party",
		2839	},
		2840	"c/death" => {
		2841	id => "death",
		2842	title => "Death",
		2843	reply => undef,
		2844	tooltip => "Reason for and more info about your most recent death",
		2845	},
		2846	"c/say" => $SAY_CHANNEL,
		2847	"c/chat" => $CHAT_CHANNEL,
		2848	);
		2849
		2850	sub cf::client::send_msg {
		2851	my ($self, $channel, $msg, $color, @extra) = @_;
		2852
		2853	$msg = $self->pl->expand_cfpod ($msg)
		2854	unless $color & cf::NDI_VERBATIM;
		2855
		2856	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2857
		2858	# check predefined channels, for the benefit of C
		2859	if ($CHANNEL{$channel}) {
		2860	$channel = $CHANNEL{$channel};
		2861
		2862	$self->ext_msg (channel_info => $channel);
		2863	$channel = $channel->{id};
		2864
		2865	} elsif (ref $channel) {
		2866	# send meta info to client, if not yet sent
		2867	unless (exists $self->{channel}{$channel->{id}}) {
		2868	$self->{channel}{$channel->{id}} = $channel;
		2869	$self->ext_msg (channel_info => $channel);
		2870	}
		2871
		2872	$channel = $channel->{id};
		2873	}
		2874
		2875	return unless @extra || length $msg;
		2876
		2877	# default colour, mask it out
		2878	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2879	if $color & cf::NDI_DEF;
		2880
		2881	my $pkt = "msg "
		2882	. $self->{json_coder}->encode (
		2883	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2884	);
		2885
		2886	# try lzf for large packets
		2887	$pkt = "lzf " . Compress::LZF::compress $pkt
		2888	if 1024 <= length $pkt and $self->{can_lzf};
		2889
		2890	# split very large packets
		2891	if (8192 < length $pkt and $self->{can_lzf}) {
		2892	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2893	$pkt = "frag";
		2894	}
		2895
		2896	$self->send_packet ($pkt);
		2897	}
		2898
		2899	=item $client->ext_msg ($type, @msg)
		2900
		2901	Sends an ext event to the client.
		2902
		2903	=cut
		2904
		2905	sub cf::client::ext_msg($$@) {
		2906	my ($self, $type, @msg) = @_;
		2907
		2908	if ($self->extcmd == 2) {
		2909	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2910	} elsif ($self->extcmd == 1) { # TODO: remove
		2911	push @msg, msgtype => "event_$type";
		2912	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2913	}
		2914	}
		2915
		2916	=item $client->ext_reply ($msgid, @msg)
		2917
		2918	Sends an ext reply to the client.
		2919
		2920	=cut
		2921
		2922	sub cf::client::ext_reply($$@) {
		2923	my ($self, $id, @msg) = @_;
		2924
		2925	if ($self->extcmd == 2) {
		2926	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2927	} elsif ($self->extcmd == 1) {
		2928	#TODO: version 1, remove
		2929	unshift @msg, msgtype => "reply", msgid => $id;
		2930	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2931	}
		2932	}
1992		2933
1993	=item $success = $client->query ($flags, "text", \&cb)	2934	=item $success = $client->query ($flags, "text", \&cb)
1994		2935
1995	Queues a query to the client, calling the given callback with	2936	Queues a query to the client, calling the given callback with
1996	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2937	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1997	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2938	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1998		2939
1999	Queries can fail, so check the return code. Or don't, as queries will become	2940	Queries can fail, so check the return code. Or don't, as queries will
2000	reliable at some point in the future.	2941	become reliable at some point in the future.
2001		2942
2002	=cut	2943	=cut
2003		2944
2004	sub cf::client::query {	2945	sub cf::client::query {
2005	my ($self, $flags, $text, $cb) = @_;	2946	my ($self, $flags, $text, $cb) = @_;
…		…
2013	utf8::encode $text;	2954	utf8::encode $text;
2014	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2955	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2015		2956
2016	$self->send_packet ($self->{query_queue}[0][0])	2957	$self->send_packet ($self->{query_queue}[0][0])
2017	if @{ $self->{query_queue} } == 1;	2958	if @{ $self->{query_queue} } == 1;
		2959
		2960	1
2018	}	2961	}
2019		2962
2020	cf::client->attach (	2963	cf::client->attach (
		2964	on_connect => sub {
		2965	my ($ns) = @_;
		2966
		2967	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2968	},
2021	on_reply => sub {	2969	on_reply => sub {
2022	my ($ns, $msg) = @_;	2970	my ($ns, $msg) = @_;
2023		2971
2024	# this weird shuffling is so that direct followup queries	2972	# this weird shuffling is so that direct followup queries
2025	# get handled first	2973	# get handled first
…		…
2037	} else {	2985	} else {
2038	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2986	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2039	}	2987	}
2040	}	2988	}
2041	},	2989	},
		2990	on_exticmd => sub {
		2991	my ($ns, $buf) = @_;
		2992
		2993	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2994
		2995	if (ref $msg) {
		2996	my ($type, $reply, @payload) =
		2997	"ARRAY" eq ref $msg
		2998	? @$msg
		2999	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3000
		3001	my @reply;
		3002
		3003	if (my $cb = $EXTICMD{$type}) {
		3004	@reply = $cb->($ns, @payload);
		3005	}
		3006
		3007	$ns->ext_reply ($reply, @reply)
		3008	if $reply;
		3009
		3010	} else {
		3011	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3012	}
		3013
		3014	cf::override;
		3015	},
2042	);	3016	);
2043		3017
2044	=item $client->async (\&cb)	3018	=item $client->async (\&cb)
2045		3019
2046	Create a new coroutine, running the specified callback. The coroutine will	3020	Create a new coroutine, running the specified callback. The coroutine will
…		…
2087	our $safe = new Safe "safe";	3061	our $safe = new Safe "safe";
2088	our $safe_hole = new Safe::Hole;	3062	our $safe_hole = new Safe::Hole;
2089		3063
2090	$SIG{FPE} = 'IGNORE';	3064	$SIG{FPE} = 'IGNORE';
2091		3065
2092	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3066	$safe->permit_only (Opcode::opset qw(
		3067	:base_core :base_mem :base_orig :base_math
		3068	grepstart grepwhile mapstart mapwhile
		3069	sort time
		3070	));
2093		3071
2094	# here we export the classes and methods available to script code	3072	# here we export the classes and methods available to script code
2095		3073
2096	=pod	3074	=pod
2097		3075
2098	The following functions and methods are available within a safe environment:	3076	The following functions and methods are available within a safe environment:
2099		3077
2100	cf::object contr pay_amount pay_player map	3078	cf::object
		3079	contr pay_amount pay_player map x y force_find force_add destroy
		3080	insert remove name archname title slaying race decrease split
		3081	value
		3082
2101	cf::object::player player	3083	cf::object::player
2102	cf::player peaceful	3084	player
2103	cf::map trigger	3085
		3086	cf::player
		3087	peaceful
		3088
		3089	cf::map
		3090	trigger
2104		3091
2105	=cut	3092	=cut
2106		3093
2107	for (	3094	for (
2108	["cf::object" => qw(contr pay_amount pay_player map)],	3095	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3096	insert remove inv nrof name archname title slaying race
		3097	decrease split destroy change_exp value msg lore send_msg)],
2109	["cf::object::player" => qw(player)],	3098	["cf::object::player" => qw(player)],
2110	["cf::player" => qw(peaceful)],	3099	["cf::player" => qw(peaceful send_msg)],
2111	["cf::map" => qw(trigger)],	3100	["cf::map" => qw(trigger)],
2112	) {	3101	) {
2113	no strict 'refs';	3102	no strict 'refs';
2114	my ($pkg, @funs) = @$_;	3103	my ($pkg, @funs) = @$_;
2115	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3104	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2132	my ($code, %vars) = @_;	3121	my ($code, %vars) = @_;
2133		3122
2134	my $qcode = $code;	3123	my $qcode = $code;
2135	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3124	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2136	$qcode =~ s/\n/\\n/g;	3125	$qcode =~ s/\n/\\n/g;
		3126
		3127	%vars = (_dummy => 0) unless %vars;
2137		3128
2138	local $_;	3129	local $_;
2139	local @safe::cf::_safe_eval_args = values %vars;	3130	local @safe::cf::_safe_eval_args = values %vars;
2140		3131
2141	my $eval =	3132	my $eval =
…		…
2184	=back	3175	=back
2185		3176
2186	=cut	3177	=cut
2187		3178
2188	#############################################################################	3179	#############################################################################
2189
2190	=head2 EXTENSION DATABASE SUPPORT
2191
2192	Crossfire maintains a very simple database for extension use. It can
2193	currently store anything that can be serialised using Storable, which
2194	excludes objects.
2195
2196	The parameter C<$family> should best start with the name of the extension
2197	using it, it should be unique.
2198
2199	=over 4
2200
2201	=item $value = cf::db_get $family => $key
2202
2203	Returns a single value from the database.
2204
2205	=item cf::db_put $family => $key => $value
2206
2207	Stores the given C<$value> in the family.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	sub db_init {
2214	unless ($DB) {
2215	$DB = BDB::db_create $DB_ENV;
2216
2217	cf::sync_job {
2218	eval {
2219	$DB->set_flags (BDB::CHKSUM);
2220
2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2223	cf::cleanup "db_open(db): $!" if $!;
2224	};
2225	cf::cleanup "db_open(db): $@" if $@;
2226	};
2227
2228	my $path = cf::localdir . "/database.pst";
2229	if (stat $path) {
2230	cf::sync_job {
2231	my $pst = Storable::retrieve $path;
2232
2233	cf::db_put (board => data => $pst->{board});
2234	cf::db_put (guildrules => data => $pst->{guildrules});
2235	cf::db_put (rent => balance => $pst->{rent}{balance});
2236	BDB::db_env_txn_checkpoint $DB_ENV;
2237
2238	unlink $path;
2239	};
2240	}
2241	}
2242	}
2243
2244	sub db_get($$) {
2245	my $key = "$_[0]/$_[1]";
2246
2247	cf::sync_job {
2248	BDB::db_get $DB, undef, $key, my $data;
2249
2250	$! ? ()
2251	: Compress::LZF::sthaw $data
2252	}
2253	}
2254
2255	sub db_put($$$) {
2256	BDB::dbreq_pri 4;
2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2258	}
2259
2260	#############################################################################
2261	# the server's init and main functions	3180	# the server's init and main functions
2262		3181
2263	sub load_faces {	3182	sub load_facedata($) {
2264	my $path = sprintf "%s/faces", cf::datadir;	3183	my ($path) = @_;
2265		3184
		3185	# HACK to clear player env face cache, we need some signal framework
		3186	# for this (global event?)
		3187	%ext::player_env::MUSIC_FACE_CACHE = ();
		3188
		3189	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3190
2266	warn "loading faces from $path\n";	3191	warn "loading facedata from $path\n";
2267		3192
2268	my $faces;	3193	my $facedata;
2269	0 < aio_load $path, $faces	3194	0 < aio_load $path, $facedata
2270	or die "$path: $!";	3195	or die "$path: $!";
2271		3196
2272	Coro::cede;
2273	$faces = Storable::thaw $faces;	3197	$facedata = Coro::Storable::thaw $facedata;
2274	Coro::cede;
2275		3198
2276	my $meta = delete $faces->{""};
2277	$meta->{version} == 1	3199	$facedata->{version} == 2
2278	or cf::cleanup "$path: version mismatch, cannot proceed.";	3200	or cf::cleanup "$path: version mismatch, cannot proceed.";
2279		3201
		3202	# patch in the exptable
		3203	$facedata->{resource}{"res/exp_table"} = {
		3204	type => FT_RSRC,
		3205	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3206	};
		3207	cf::cede_to_tick;
		3208
		3209	{
		3210	my $faces = $facedata->{faceinfo};
		3211
2280	while (my ($face, $info) = each %$faces) {	3212	while (my ($face, $info) = each %$faces) {
2281	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3213	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2282	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3214
		3215	cf::face::set_visibility $idx, $info->{visibility};
		3216	cf::face::set_magicmap $idx, $info->{magicmap};
2283	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3217	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2284	Coro::cede;	3218	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2285	}
2286		3219
		3220	cf::cede_to_tick;
		3221	}
		3222
2287	while (my ($face, $info) = each %$faces) {	3223	while (my ($face, $info) = each %$faces) {
2288	next unless $info->{smooth};	3224	next unless $info->{smooth};
		3225
2289	my $idx = cf::face::find $face	3226	my $idx = cf::face::find $face
2290	or next;	3227	or next;
		3228
2291	if (my $smooth = cf::face::find $info->{smooth}) {	3229	if (my $smooth = cf::face::find $info->{smooth}) {
2292	cf::face::set_smooth $idx, $smooth;	3230	cf::face::set_smooth $idx, $smooth;
		3231	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2293	} else {	3232	} else {
2294	warn "smooth face '$info->{smooth}' not found for face '$face'";	3233	warn "smooth face '$info->{smooth}' not found for face '$face'";
2295	}	3234	}
2296	Coro::cede;	3235
		3236	cf::cede_to_tick;
		3237	}
		3238	}
		3239
2297	}	3240	{
		3241	my $anims = $facedata->{animinfo};
		3242
		3243	while (my ($anim, $info) = each %$anims) {
		3244	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3245	cf::cede_to_tick;
		3246	}
		3247
		3248	cf::anim::invalidate_all; # d'oh
		3249	}
		3250
		3251	{
		3252	# TODO: for gcfclient pleasure, we should give resources
		3253	# that gcfclient doesn't grok a >10000 face index.
		3254	my $res = $facedata->{resource};
		3255
		3256	while (my ($name, $info) = each %$res) {
		3257	if (defined $info->{type}) {
		3258	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3259	my $data;
		3260
		3261	if ($info->{type} & 1) {
		3262	# prepend meta info
		3263
		3264	my $meta = $enc->encode ({
		3265	name => $name,
		3266	%{ $info->{meta} || {} },
		3267	});
		3268
		3269	$data = pack "(w/a*)*", $meta, $info->{data};
		3270	} else {
		3271	$data = $info->{data};
		3272	}
		3273
		3274	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3275	cf::face::set_type $idx, $info->{type};
		3276	} else {
		3277	$RESOURCE{$name} = $info;
		3278	}
		3279
		3280	cf::cede_to_tick;
		3281	}
		3282	}
		3283
		3284	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2298		3285
2299	1	3286	1
2300	}	3287	}
2301		3288
		3289	cf::global->attach (on_resource_update => sub {
		3290	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3291	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3292
		3293	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3294	my $sound = $soundconf->{compat}[$_]
		3295	or next;
		3296
		3297	my $face = cf::face::find "sound/$sound->[1]";
		3298	cf::sound::set $sound->[0] => $face;
		3299	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3300	}
		3301
		3302	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3303	my $face = cf::face::find "sound/$v";
		3304	cf::sound::set $k => $face;
		3305	}
		3306	}
		3307	});
		3308
		3309	register_exticmd fx_want => sub {
		3310	my ($ns, $want) = @_;
		3311
		3312	while (my ($k, $v) = each %$want) {
		3313	$ns->fx_want ($k, $v);
		3314	}
		3315	};
		3316
		3317	sub load_resource_file($) {
		3318	my $guard = lock_acquire "load_resource_file";
		3319
		3320	my $status = load_resource_file_ $_[0];
		3321	get_slot 0.1, 100;
		3322	cf::arch::commit_load;
		3323
		3324	$status
		3325	}
		3326
		3327	sub reload_regions {
		3328	# HACK to clear player env face cache, we need some signal framework
		3329	# for this (global event?)
		3330	%ext::player_env::MUSIC_FACE_CACHE = ();
		3331
		3332	load_resource_file "$MAPDIR/regions"
		3333	or die "unable to load regions file\n";
		3334
		3335	for (cf::region::list) {
		3336	$_->{match} = qr/$_->{match}/
		3337	if exists $_->{match};
		3338	}
		3339	}
		3340
		3341	sub reload_facedata {
		3342	load_facedata "$DATADIR/facedata"
		3343	or die "unable to load facedata\n";
		3344	}
		3345
		3346	sub reload_archetypes {
		3347	load_resource_file "$DATADIR/archetypes"
		3348	or die "unable to load archetypes\n";
		3349	}
		3350
		3351	sub reload_treasures {
		3352	load_resource_file "$DATADIR/treasures"
		3353	or die "unable to load treasurelists\n";
		3354	}
		3355
2302	sub reload_resources {	3356	sub reload_resources {
2303	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3357	warn "reloading resource files...\n";
2304	or die "unable to load regions file\n";#d#	3358
2305	load_faces	3359	reload_facedata;
2306	or die "unable to load faces\n";#d#	3360	reload_archetypes;
2307	}
2308
2309	sub init {
2310	reload_resources;	3361	reload_regions;
2311	}	3362	reload_treasures;
2312		3363
2313	sub cfg_load {	3364	warn "finished reloading resource files\n";
		3365	}
		3366
		3367	sub reload_config {
2314	open my $fh, "<:utf8", cf::confdir . "/config"	3368	open my $fh, "<:utf8", "$CONFDIR/config"
2315	or return;	3369	or return;
2316		3370
2317	local $/;	3371	local $/;
2318	*CFG = YAML::Syck::Load <$fh>;	3372	*CFG = YAML::Load <$fh>;
2319		3373
2320	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3374	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2321		3375
2322	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3376	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2323	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3377	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2329	};	3383	};
2330	warn $@ if $@;	3384	warn $@ if $@;
2331	}	3385	}
2332	}	3386	}
2333		3387
		3388	sub pidfile() {
		3389	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3390	or die "$PIDFILE: $!";
		3391	flock $fh, &Fcntl::LOCK_EX
		3392	or die "$PIDFILE: flock: $!";
		3393	$fh
		3394	}
		3395
		3396	# make sure only one server instance is running at any one time
		3397	sub atomic {
		3398	my $fh = pidfile;
		3399
		3400	my $pid = <$fh>;
		3401	kill 9, $pid if $pid > 0;
		3402
		3403	seek $fh, 0, 0;
		3404	print $fh $$;
		3405	}
		3406
		3407	sub main_loop {
		3408	warn "EV::loop starting\n";
		3409	if (1) {
		3410	EV::loop;
		3411	}
		3412	warn "EV::loop returned\n";
		3413	goto &main_loop unless $REALLY_UNLOOP;
		3414	}
		3415
2334	sub main {	3416	sub main {
		3417	cf::init_globals; # initialise logging
		3418
		3419	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3420	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3421	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3422	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3423
		3424	cf::init_experience;
		3425	cf::init_anim;
		3426	cf::init_attackmess;
		3427	cf::init_dynamic;
		3428
		3429	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3430
2335	# we must not ever block the main coroutine	3431	# we must not ever block the main coroutine
2336	local $Coro::idle = sub {	3432	local $Coro::idle = sub {
2337	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3433	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2338	(async {	3434	(async {
2339	Event::one_event;	3435	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3436	EV::loop EV::LOOP_ONESHOT;
2340	})->prio (Coro::PRIO_MAX);	3437	})->prio (Coro::PRIO_MAX);
2341	};	3438	};
2342		3439
2343	cfg_load;	3440	evthread_start IO::AIO::poll_fileno;
		3441
		3442	cf::sync_job {
		3443	reload_resources;
		3444	reload_config;
2344	db_init;	3445	db_init;
		3446
		3447	cf::load_settings;
		3448	cf::load_materials;
		3449	cf::init_uuid;
		3450	cf::init_signals;
		3451	cf::init_commands;
		3452	cf::init_skills;
		3453
		3454	cf::init_beforeplay;
		3455
		3456	atomic;
		3457
2345	load_extensions;	3458	load_extensions;
2346		3459
2347	$TICK_WATCHER->start;	3460	utime time, time, $RUNTIMEFILE;
2348	Event::loop;	3461
		3462	# no (long-running) fork's whatsoever before this point(!)
		3463	use POSIX ();
		3464	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3465
		3466	(pop @POST_INIT)->(0) while @POST_INIT;
		3467	};
		3468
		3469	main_loop;
2349	}	3470	}
2350		3471
2351	#############################################################################	3472	#############################################################################
2352	# initialisation and cleanup	3473	# initialisation and cleanup
2353		3474
2354	# install some emergency cleanup handlers	3475	# install some emergency cleanup handlers
2355	BEGIN {	3476	BEGIN {
		3477	our %SIGWATCHER = ();
2356	for my $signal (qw(INT HUP TERM)) {	3478	for my $signal (qw(INT HUP TERM)) {
2357	Event->signal (	3479	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2358	reentrant => 0,
2359	data => WF_AUTOCANCEL,
2360	signal => $signal,
2361	prio => 0,
2362	cb => sub {
2363	cf::cleanup "SIG$signal";	3480	cf::cleanup "SIG$signal";
2364	},
2365	);	3481	};
		3482	}
		3483	}
		3484
		3485	sub write_runtime_sync {
		3486	# first touch the runtime file to show we are still running:
		3487	# the fsync below can take a very very long time.
		3488
		3489	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3490
		3491	my $guard = cf::lock_acquire "write_runtime";
		3492
		3493	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3494	or return;
		3495
		3496	my $value = $cf::RUNTIME + 90 + 10;
		3497	# 10 is the runtime save interval, for a monotonic clock
		3498	# 60 allows for the watchdog to kill the server.
		3499
		3500	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3501	and return;
		3502
		3503	# always fsync - this file is important
		3504	aio_fsync $fh
		3505	and return;
		3506
		3507	# touch it again to show we are up-to-date
		3508	aio_utime $fh, undef, undef;
		3509
		3510	close $fh
		3511	or return;
		3512
		3513	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3514	and return;
		3515
		3516	warn "runtime file written.\n";
		3517
2366	}	3518	1
		3519	}
		3520
		3521	our $uuid_lock;
		3522	our $uuid_skip;
		3523
		3524	sub write_uuid_sync($) {
		3525	$uuid_skip ||= $_[0];
		3526
		3527	return if $uuid_lock;
		3528	local $uuid_lock = 1;
		3529
		3530	my $uuid = "$LOCALDIR/uuid";
		3531
		3532	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3533	or return;
		3534
		3535	my $value = uuid_seq uuid_cur;
		3536
		3537	unless ($value) {
		3538	warn "cowardly refusing to write zero uuid value!\n";
		3539	return;
		3540	}
		3541
		3542	my $value = uuid_str $value + $uuid_skip;
		3543	$uuid_skip = 0;
		3544
		3545	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3546	and return;
		3547
		3548	# always fsync - this file is important
		3549	aio_fsync $fh
		3550	and return;
		3551
		3552	close $fh
		3553	or return;
		3554
		3555	aio_rename "$uuid~", $uuid
		3556	and return;
		3557
		3558	warn "uuid file written ($value).\n";
		3559
		3560	1
		3561
		3562	}
		3563
		3564	sub write_uuid($$) {
		3565	my ($skip, $sync) = @_;
		3566
		3567	$sync ? write_uuid_sync $skip
		3568	: async { write_uuid_sync $skip };
2367	}	3569	}
2368		3570
2369	sub emergency_save() {	3571	sub emergency_save() {
2370	my $freeze_guard = cf::freeze_mainloop;	3572	my $freeze_guard = cf::freeze_mainloop;
2371		3573
2372	warn "enter emergency perl save\n";	3574	warn "emergency_perl_save: enter\n";
2373		3575
2374	cf::sync_job {	3576	cf::sync_job {
		3577	# this is a trade-off: we want to be very quick here, so
		3578	# save all maps without fsync, and later call a global sync
		3579	# (which in turn might be very very slow)
		3580	local $USE_FSYNC = 0;
		3581
2375	# use a peculiar iteration method to avoid tripping on perl	3582	# use a peculiar iteration method to avoid tripping on perl
2376	# refcount bugs in for. also avoids problems with players	3583	# refcount bugs in for. also avoids problems with players
2377	# and maps saved/destroyed asynchronously.	3584	# and maps saved/destroyed asynchronously.
2378	warn "begin emergency player save\n";	3585	warn "emergency_perl_save: begin player save\n";
2379	for my $login (keys %cf::PLAYER) {	3586	for my $login (keys %cf::PLAYER) {
2380	my $pl = $cf::PLAYER{$login} or next;	3587	my $pl = $cf::PLAYER{$login} or next;
2381	$pl->valid or next;	3588	$pl->valid or next;
		3589	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2382	$pl->save;	3590	$pl->save;
2383	}	3591	}
2384	warn "end emergency player save\n";	3592	warn "emergency_perl_save: end player save\n";
2385		3593
2386	warn "begin emergency map save\n";	3594	warn "emergency_perl_save: begin map save\n";
2387	for my $path (keys %cf::MAP) {	3595	for my $path (keys %cf::MAP) {
2388	my $map = $cf::MAP{$path} or next;	3596	my $map = $cf::MAP{$path} or next;
2389	$map->valid or next;	3597	$map->valid or next;
2390	$map->save;	3598	$map->save;
2391	}	3599	}
2392	warn "end emergency map save\n";	3600	warn "emergency_perl_save: end map save\n";
2393		3601
2394	warn "begin emergency database checkpoint\n";	3602	warn "emergency_perl_save: begin database checkpoint\n";
2395	BDB::db_env_txn_checkpoint $DB_ENV;	3603	BDB::db_env_txn_checkpoint $DB_ENV;
2396	warn "end emergency database checkpoint\n";	3604	warn "emergency_perl_save: end database checkpoint\n";
		3605
		3606	warn "emergency_perl_save: begin write uuid\n";
		3607	write_uuid_sync 1;
		3608	warn "emergency_perl_save: end write uuid\n";
2397	};	3609	};
2398		3610
		3611	warn "emergency_perl_save: starting sync()\n";
		3612	IO::AIO::aio_sync sub {
		3613	warn "emergency_perl_save: finished sync()\n";
		3614	};
		3615
2399	warn "leave emergency perl save\n";	3616	warn "emergency_perl_save: leave\n";
2400	}	3617	}
2401		3618
2402	sub post_cleanup {	3619	sub post_cleanup {
2403	my ($make_core) = @_;	3620	my ($make_core) = @_;
2404		3621
2405	warn Carp::longmess "post_cleanup backtrace"	3622	warn Carp::longmess "post_cleanup backtrace"
2406	if $make_core;	3623	if $make_core;
2407	}
2408		3624
		3625	my $fh = pidfile;
		3626	unlink $PIDFILE if <$fh> == $$;
		3627	}
		3628
		3629	# a safer delete_package, copied from Symbol
		3630	sub clear_package($) {
		3631	my $pkg = shift;
		3632
		3633	# expand to full symbol table name if needed
		3634	unless ($pkg =~ /^main::.*::$/) {
		3635	$pkg = "main$pkg" if $pkg =~ /^::/;
		3636	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3637	$pkg .= '::' unless $pkg =~ /::$/;
		3638	}
		3639
		3640	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3641	my $stem_symtab = *{$stem}{HASH};
		3642
		3643	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3644	or return;
		3645
		3646	# clear all symbols
		3647	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3648	for my $name (keys %$leaf_symtab) {
		3649	_gv_clear *{"$pkg$name"};
		3650	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3651	}
		3652	warn "cleared package $pkg\n";#d#
		3653	}
		3654
2409	sub reload() {	3655	sub do_reload_perl() {
2410	# can/must only be called in main	3656	# can/must only be called in main
2411	if ($Coro::current != $Coro::main) {	3657	if ($Coro::current != $Coro::main) {
2412	warn "can only reload from main coroutine";	3658	warn "can only reload from main coroutine";
2413	return;	3659	return;
2414	}	3660	}
2415		3661
		3662	return if $RELOAD++;
		3663
		3664	my $t1 = EV::time;
		3665
		3666	while ($RELOAD) {
2416	warn "reloading...";	3667	warn "reloading...";
2417		3668
2418	warn "entering sync_job";	3669	warn "entering sync_job";
2419		3670
2420	cf::sync_job {	3671	cf::sync_job {
2421	cf::write_runtime; # external watchdog should not bark	3672	cf::write_runtime_sync; # external watchdog should not bark
2422	cf::emergency_save;	3673	cf::emergency_save;
2423	cf::write_runtime; # external watchdog should not bark	3674	cf::write_runtime_sync; # external watchdog should not bark
2424		3675
2425	warn "syncing database to disk";	3676	warn "syncing database to disk";
2426	BDB::db_env_txn_checkpoint $DB_ENV;	3677	BDB::db_env_txn_checkpoint $DB_ENV;
2427		3678
2428	# if anything goes wrong in here, we should simply crash as we already saved	3679	# if anything goes wrong in here, we should simply crash as we already saved
2429		3680
2430	warn "cancelling all WF_AUTOCANCEL watchers";
2431	for (Event::all_watchers) {
2432	$_->cancel if $_->data & WF_AUTOCANCEL;
2433	}
2434
2435	warn "flushing outstanding aio requests";	3681	warn "flushing outstanding aio requests";
2436	for (;;) {
2437	BDB::flush;
2438	IO::AIO::flush;
2439	Coro::cede;
2440	last unless IO::AIO::nreqs || BDB::nreqs;	3682	while (IO::AIO::nreqs || BDB::nreqs) {
2441	warn "iterate...";	3683	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2442	}
2443
2444	++$RELOAD;
2445
2446	warn "cancelling all extension coros";
2447	$_->cancel for values %EXT_CORO;
2448	%EXT_CORO = ();
2449
2450	warn "removing commands";
2451	%COMMAND = ();
2452
2453	warn "removing ext commands";
2454	%EXTCMD = ();
2455
2456	warn "unloading/nuking all extensions";
2457	for my $pkg (@EXTS) {
2458	warn "... unloading $pkg";
2459
2460	if (my $cb = $pkg->can ("unload")) {
2461	eval {
2462	$cb->($pkg);
2463	1
2464	} or warn "$pkg unloaded, but with errors: $@";
2465	}	3684	}
2466		3685
2467	warn "... nuking $pkg";	3686	warn "cancelling all extension coros";
2468	Symbol::delete_package $pkg;	3687	$_->cancel for values %EXT_CORO;
2469	}	3688	%EXT_CORO = ();
2470		3689
2471	warn "unloading all perl modules loaded from $LIBDIR";	3690	warn "removing commands";
2472	while (my ($k, $v) = each %INC) {	3691	%COMMAND = ();
2473	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2474		3692
		3693	warn "removing ext/exti commands";
		3694	%EXTCMD = ();
		3695	%EXTICMD = ();
		3696
		3697	warn "unloading/nuking all extensions";
		3698	for my $pkg (@EXTS) {
2475	warn "... unloading $k";	3699	warn "... unloading $pkg";
2476	delete $INC{$k};
2477		3700
2478	$k =~ s/\.pm$//;
2479	$k =~ s/\//::/g;
2480
2481	if (my $cb = $k->can ("unload_module")) {	3701	if (my $cb = $pkg->can ("unload")) {
		3702	eval {
2482	$cb->();	3703	$cb->($pkg);
		3704	1
		3705	} or warn "$pkg unloaded, but with errors: $@";
		3706	}
		3707
		3708	warn "... clearing $pkg";
		3709	clear_package $pkg;
2483	}	3710	}
2484		3711
2485	Symbol::delete_package $k;	3712	warn "unloading all perl modules loaded from $LIBDIR";
		3713	while (my ($k, $v) = each %INC) {
		3714	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3715
		3716	warn "... unloading $k";
		3717	delete $INC{$k};
		3718
		3719	$k =~ s/\.pm$//;
		3720	$k =~ s/\//::/g;
		3721
		3722	if (my $cb = $k->can ("unload_module")) {
		3723	$cb->();
		3724	}
		3725
		3726	clear_package $k;
2486	}	3727	}
2487		3728
2488	warn "getting rid of safe::, as good as possible";	3729	warn "getting rid of safe::, as good as possible";
2489	Symbol::delete_package "safe::$_"	3730	clear_package "safe::$_"
2490	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3731	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2491		3732
2492	warn "unloading cf.pm \"a bit\"";	3733	warn "unloading cf.pm \"a bit\"";
2493	delete $INC{"cf.pm"};	3734	delete $INC{"cf.pm"};
		3735	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2494		3736
2495	# don't, removes xs symbols, too,	3737	# don't, removes xs symbols, too,
2496	# and global variables created in xs	3738	# and global variables created in xs
2497	#Symbol::delete_package __PACKAGE__;	3739	#clear_package __PACKAGE__;
2498		3740
2499	warn "unload completed, starting to reload now";	3741	warn "unload completed, starting to reload now";
2500		3742
2501	warn "reloading cf.pm";	3743	warn "reloading cf.pm";
2502	require cf;	3744	require cf;
2503	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3745	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2504		3746
2505	warn "loading config and database again";	3747	warn "loading config and database again";
2506	cf::cfg_load;	3748	cf::reload_config;
2507		3749
2508	warn "loading extensions";	3750	warn "loading extensions";
2509	cf::load_extensions;	3751	cf::load_extensions;
2510		3752
		3753	if ($REATTACH_ON_RELOAD) {
2511	warn "reattaching attachments to objects/players";	3754	warn "reattaching attachments to objects/players";
2512	_global_reattach; # objects, sockets	3755	_global_reattach; # objects, sockets
2513	warn "reattaching attachments to maps";	3756	warn "reattaching attachments to maps";
2514	reattach $_ for values %MAP;	3757	reattach $_ for values %MAP;
2515	warn "reattaching attachments to players";	3758	warn "reattaching attachments to players";
2516	reattach $_ for values %PLAYER;	3759	reattach $_ for values %PLAYER;
		3760	}
2517		3761
2518	warn "loading reloadable resources";	3762	warn "running post_init jobs";
2519	reload_resources;	3763	(pop @POST_INIT)->(1) while @POST_INIT;
2520		3764
2521	warn "leaving sync_job";	3765	warn "leaving sync_job";
2522		3766
2523	1	3767	1
2524	} or do {	3768	} or do {
2525	warn $@;	3769	warn $@;
2526	warn "error while reloading, exiting.";	3770	cf::cleanup "error while reloading, exiting.";
2527	exit 1;	3771	};
		3772
		3773	warn "reloaded";
		3774	--$RELOAD;
		3775	}
		3776
		3777	$t1 = EV::time - $t1;
		3778	warn "reload completed in ${t1}s\n";
		3779	};
		3780
		3781	our $RELOAD_WATCHER; # used only during reload
		3782
		3783	sub reload_perl() {
		3784	# doing reload synchronously and two reloads happen back-to-back,
		3785	# coro crashes during coro_state_free->destroy here.
		3786
		3787	$RELOAD_WATCHER ||= cf::async {
		3788	Coro::AIO::aio_wait cache_extensions;
		3789
		3790	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3791	do_reload_perl;
		3792	undef $RELOAD_WATCHER;
		3793	};
2528	};	3794	};
2529		3795	}
2530	warn "reloaded";
2531	};
2532
2533	our $RELOAD_WATCHER; # used only during reload
2534		3796
2535	register_command "reload" => sub {	3797	register_command "reload" => sub {
2536	my ($who, $arg) = @_;	3798	my ($who, $arg) = @_;
2537		3799
2538	if ($who->flag (FLAG_WIZ)) {	3800	if ($who->flag (FLAG_WIZ)) {
2539	$who->message ("reloading server.");	3801	$who->message ("reloading server.");
2540		3802	async {
2541	# doing reload synchronously and two reloads happen back-to-back,	3803	$Coro::current->{desc} = "perl_reload";
2542	# coro crashes during coro_state_free->destroy here.
2543
2544	$RELOAD_WATCHER ||= Event->timer (
2545	reentrant => 0,
2546	after => 0,
2547	data => WF_AUTOCANCEL,
2548	cb => sub {
2549	reload;	3804	reload_perl;
2550	undef $RELOAD_WATCHER;
2551	},
2552	);	3805	};
2553	}	3806	}
2554	};	3807	};
2555		3808
2556	unshift @INC, $LIBDIR;	3809	unshift @INC, $LIBDIR;
2557		3810
2558	my $bug_warning = 0;	3811	my $bug_warning = 0;
2559		3812
2560	$TICK_WATCHER = Event->timer (	3813	our @WAIT_FOR_TICK;
2561	reentrant => 0,	3814	our @WAIT_FOR_TICK_BEGIN;
2562	parked => 1,	3815
2563	prio => 0,	3816	sub wait_for_tick {
2564	at => $NEXT_TICK || $TICK,	3817	return if tick_inhibit || $Coro::current == $Coro::main;
2565	data => WF_AUTOCANCEL,	3818
2566	cb => sub {	3819	my $signal = new Coro::Signal;
		3820	push @WAIT_FOR_TICK, $signal;
		3821	$signal->wait;
		3822	}
		3823
		3824	sub wait_for_tick_begin {
		3825	return if tick_inhibit || $Coro::current == $Coro::main;
		3826
		3827	my $signal = new Coro::Signal;
		3828	push @WAIT_FOR_TICK_BEGIN, $signal;
		3829	$signal->wait;
		3830	}
		3831
		3832	sub tick {
2567	if ($Coro::current != $Coro::main) {	3833	if ($Coro::current != $Coro::main) {
2568	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3834	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2569	unless ++$bug_warning > 10;	3835	unless ++$bug_warning > 10;
2570	return;	3836	return;
2571	}	3837	}
2572		3838
2573	$NOW = Event::time;
2574
2575	cf::server_tick; # one server iteration	3839	cf::server_tick; # one server iteration
2576	$RUNTIME += $TICK;
2577	$NEXT_TICK += $TICK;
2578		3840
2579	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3841	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2580	$NEXT_RUNTIME_WRITE = $NOW + 10;	3842	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2581	Coro::async_pool {	3843	Coro::async_pool {
		3844	$Coro::current->{desc} = "runtime saver";
2582	write_runtime	3845	write_runtime_sync
2583	or warn "ERROR: unable to write runtime file: $!";	3846	or warn "ERROR: unable to write runtime file: $!";
2584	};
2585	}	3847	};
2586
2587	$WAIT_FOR_TICK->broadcast;
2588	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2589
2590	# my $AFTER = Event::time;
2591	# warn $AFTER - $NOW;#d#
2592
2593	# if we are delayed by four ticks or more, skip them all
2594	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2595
2596	$TICK_WATCHER->at ($NEXT_TICK);
2597	$TICK_WATCHER->start;
2598	},	3848	}
2599	);	3849
		3850	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3851	$sig->send;
		3852	}
		3853	while (my $sig = shift @WAIT_FOR_TICK) {
		3854	$sig->send;
		3855	}
		3856
		3857	$LOAD = ($NOW - $TICK_START) / $TICK;
		3858	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3859
		3860	if (0) {
		3861	if ($NEXT_TICK) {
		3862	my $jitter = $TICK_START - $NEXT_TICK;
		3863	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3864	warn "jitter $JITTER\n";#d#
		3865	}
		3866	}
		3867	}
2600		3868
2601	{	3869	{
2602	BDB::max_poll_time $TICK * 0.1;	3870	# configure BDB
2603	$BDB_POLL_WATCHER = Event->io (	3871
2604	reentrant => 0,
2605	fd => BDB::poll_fileno,
2606	poll => 'r',
2607	prio => 0,
2608	data => WF_AUTOCANCEL,
2609	cb => \&BDB::poll_cb,
2610	);
2611	BDB::min_parallel 8;	3872	BDB::min_parallel 8;
2612		3873	BDB::max_poll_reqs $TICK * 0.1;
2613	BDB::set_sync_prepare {	3874	$AnyEvent::BDB::WATCHER->priority (1);
2614	my $status;
2615	my $current = $Coro::current;
2616	(
2617	sub {
2618	$status = $!;
2619	$current->ready; undef $current;
2620	},
2621	sub {
2622	Coro::schedule while defined $current;
2623	$! = $status;
2624	},
2625	)
2626	};
2627		3875
2628	unless ($DB_ENV) {	3876	unless ($DB_ENV) {
2629	$DB_ENV = BDB::db_env_create;	3877	$DB_ENV = BDB::db_env_create;
		3878	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3879	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3880	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3881	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3882	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2630		3883
2631	cf::sync_job {	3884	cf::sync_job {
2632	eval {	3885	eval {
2633	BDB::db_env_open	3886	BDB::db_env_open
2634	$DB_ENV,	3887	$DB_ENV,
2635	$BDB_ENV_DIR,	3888	$BDBDIR,
2636	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3889	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2637	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3890	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2638	0666;	3891	0666;
2639		3892
2640	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3893	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2641
2642	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2643	$DB_ENV->set_lk_detect;
2644	};	3894	};
2645		3895
2646	cf::cleanup "db_env_open(db): $@" if $@;	3896	cf::cleanup "db_env_open(db): $@" if $@;
2647	};	3897	};
2648	}	3898	}
		3899
		3900	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3901	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3902	};
		3903	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3904	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3905	};
		3906	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3907	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3908	};
2649	}	3909	}
2650		3910
2651	{	3911	{
		3912	# configure IO::AIO
		3913
2652	IO::AIO::min_parallel 8;	3914	IO::AIO::min_parallel 8;
2653
2654	undef $Coro::AIO::WATCHER;
2655	IO::AIO::max_poll_time $TICK * 0.1;	3915	IO::AIO::max_poll_time $TICK * 0.1;
2656	$AIO_POLL_WATCHER = Event->io (	3916	undef $AnyEvent::AIO::WATCHER;
2657	reentrant => 0,
2658	data => WF_AUTOCANCEL,
2659	fd => IO::AIO::poll_fileno,
2660	poll => 'r',
2661	prio => 6,
2662	cb => \&IO::AIO::poll_cb,
2663	);
2664	}	3917	}
		3918
		3919	my $_log_backtrace;
		3920
		3921	sub _log_backtrace {
		3922	my ($msg, @addr) = @_;
		3923
		3924	$msg =~ s/\n//;
		3925
		3926	# limit the # of concurrent backtraces
		3927	if ($_log_backtrace < 2) {
		3928	++$_log_backtrace;
		3929	my $perl_bt = Carp::longmess $msg;
		3930	async {
		3931	$Coro::current->{desc} = "abt $msg";
		3932
		3933	my @bt = fork_call {
		3934	@addr = map { sprintf "%x", $_ } @addr;
		3935	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3936	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3937	or die "addr2line: $!";
		3938
		3939	my @funcs;
		3940	my @res = <$fh>;
		3941	chomp for @res;
		3942	while (@res) {
		3943	my ($func, $line) = splice @res, 0, 2, ();
		3944	push @funcs, "[$func] $line";
		3945	}
		3946
		3947	@funcs
		3948	};
		3949
		3950	LOG llevInfo, "[ABT] $perl_bt\n";
		3951	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3952	LOG llevInfo, "[ABT] $_\n" for @bt;
		3953	--$_log_backtrace;
		3954	};
		3955	} else {
		3956	LOG llevInfo, "[ABT] $msg\n";
		3957	LOG llevInfo, "[ABT] [suppressed]\n";
		3958	}
		3959	}
		3960
		3961	# load additional modules
		3962	require "cf/$_.pm" for @EXTRA_MODULES;
2665		3963
2666	END { cf::emergency_save }	3964	END { cf::emergency_save }
2667		3965
2668	1	3966	1
2669		3967

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