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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.133 by root, Thu Jan 4 16:19:32 2007 UTC vs.
Revision 1.529 by root, Wed Apr 28 11:28:22 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# 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 Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Storable;	31	use Socket;
		32	use EV;
9	use Opcode;	33	use Opcode;
10	use Safe;	34	use Safe;
11	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
12		38
		39	use Guard ();
13	use Coro 3.3 ();	40	use Coro ();
		41	use Coro::State;
		42	use Coro::Handle;
		43	use Coro::EV;
14	use Coro::Event;	44	use Coro::AnyEvent;
15	use Coro::Timer;	45	use Coro::Timer;
16	use Coro::Signal;	46	use Coro::Signal;
17	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
18	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
		52	use Coro::Storable;
		53	use Coro::Util ();
19		54
20	use Digest::MD5;	55	use JSON::XS 2.01 ();
		56	use BDB ();
		57	use Data::Dumper;
21	use Fcntl;	58	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	59	use YAML::XS ();
		60	use IO::AIO ();
24	use Time::HiRes;	61	use Time::HiRes;
		62	use Compress::LZF;
		63	use Digest::MD5 ();
25		64
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	65	AnyEvent::detect;
27		66
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	67	# configure various modules to our taste
29	$YAML::Syck::ImplicitUnicode = 1;	68	#
		69	$Storable::canonical = 1; # reduce rsync transfers
		70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
30		71
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		77
		78	# strictly for debugging
		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
32		80
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		82
35	our %COMMAND = ();	83	our %COMMAND = ();
36	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
		85
		86	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
		89	our %EXT_CORO = (); # coroutines bound to extensions
		90	our %EXT_MAP = (); # pluggable maps
38		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
39	our @EVENT;	93	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
41		96
42	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
43	our $TICK_WATCHER;	98	our $DATADIR = datadir;
		99	our $LIBDIR = "$DATADIR/ext";
		100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
		118
		119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	121	our $NEXT_TICK;
45	our $NOW;	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
		126	our $BDB_TRICKLE_WATCHER;
		127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript);
46		130
47	our %CFG;	131	our %CFG;
48		132
49	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
51		136
52	our %MAP; # all maps	137	our (%PLAYER, %PLAYER_LOADING); # all users
53	our $LINK_MAP; # the special {link} map	138	our (%MAP, %MAP_LOADING ); # all maps
54	our $RANDOM_MAPS = cf::localdir . "/random";	139	our $LINK_MAP; # the special {link} map, which is always available
55	our %EXT_CORO;	140
		141	# used to convert map paths into valid unix filenames by replacing / by ∕
		142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		143
		144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
		147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
56		153
57	binmode STDOUT;	154	binmode STDOUT;
58	binmode STDERR;	155	binmode STDERR;
59		156
60	# read virtual server time, if available	157	# read virtual server time, if available
61	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
62	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
63	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
64	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
65	}	162	}
66		163
67	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
68	mkdir cf::localdir . "/" . cf::playerdir;
69	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;
72		165
73	# a special map that is always available	166	mkdir $_
74	our $LINK_MAP;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
		168
75	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
		170
		171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
76		187
77	#############################################################################	188	#############################################################################
78		189
79	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
80		191
…		…
87	=item $cf::RUNTIME	198	=item $cf::RUNTIME
88		199
89	The time this server has run, starts at 0 and is increased by $cf::TICK on	200	The time this server has run, starts at 0 and is increased by $cf::TICK on
90	every server tick.	201	every server tick.
91		202
92	=item $cf::LIBDIR	203	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		204	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		205	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
93		206
94	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
95	be found. It will be added to C<@INC> automatically.	208	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		209	unique-items directory, player file directory, random maps directory and
		210	database environment.
96		211
97	=item $cf::NOW	212	=item $cf::NOW
98		213
99	The time of the last (current) server tick.	214	The time of the last (current) server tick.
100		215
101	=item $cf::TICK	216	=item $cf::TICK
102		217
103	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
104		219
		220	=item $cf::LOADAVG
		221
		222	The current CPU load on the server (alpha-smoothed), as a value between 0
		223	(none) and 1 (overloaded), indicating how much time is spent on processing
		224	objects per tick. Healthy values are < 0.5.
		225
		226	=item $cf::LOAD
		227
		228	The raw value load value from the last tick.
		229
105	=item %cf::CFG	230	=item %cf::CFG
106		231
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
108	from wherever your confdir points to.	233	from wherever your confdir points to.
109		234
		235	=item cf::wait_for_tick, cf::wait_for_tick_begin
		236
		237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		238	returns directly I<after> the tick processing (and consequently, can only wake one process
		239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
		240
		241	=item @cf::INVOKE_RESULTS
		242
		243	This array contains the results of the last C<invoke ()> call. When
		244	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		245	that call.
		246
		247	=item %cf::REFLECT
		248
		249	Contains, for each (C++) class name, a hash reference with information
		250	about object members (methods, scalars, arrays and flags) and other
		251	metadata, which is useful for introspection.
		252
110	=back	253	=back
111		254
112	=cut	255	=cut
113		256
114	BEGIN {	257	$Coro::State::WARNHOOK = sub {
115	*CORE::GLOBAL::warn = sub {
116	my $msg = join "", @_;	258	my $msg = join "", @_;
117	utf8::encode $msg;
118		259
119	$msg .= "\n"	260	$msg .= "\n"
120	unless $msg =~ /\n$/;	261	unless $msg =~ /\n$/;
121		262
		263	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		264
122	LOG llevError, "cfperl: $msg";	265	LOG llevError, $msg;
123	};	266	};
124	}	267
		268	$Coro::State::DIEHOOK = sub {
		269	return unless $^S eq 0; # "eq", not "=="
		270
		271	warn Carp::longmess $_[0];
		272
		273	if (in_main) {#d#
		274	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		275	return;#d#
		276	}#d#
		277
		278	# kill coroutine otherwise
		279	Coro::terminate
		280	};
125		281
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	282	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	283	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
128	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	284	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
129	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	285	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
130	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	286	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		287	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
131	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	288	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
132		289
133	# we bless all objects into (empty) derived classes to force a method lookup	290	# we bless all objects into (empty) derived classes to force a method lookup
134	# within the Safe compartment.	291	# within the Safe compartment.
135	for my $pkg (qw(	292	for my $pkg (qw(
136	cf::global cf::attachable	293	cf::global cf::attachable
137	cf::object cf::object::player	294	cf::object cf::object::player
138	cf::client cf::player	295	cf::client cf::player
139	cf::arch cf::living	296	cf::arch cf::living
		297	cf::map cf::mapspace
140	cf::map cf::party cf::region	298	cf::party cf::region
141	)) {	299	)) {
142	no strict 'refs';
143	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	300	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
144	}	301	}
145		302
146	$Event::DIED = sub {	303	$EV::DIED = sub {
147	warn "error in event callback: @_";	304	Carp::cluck "error in event callback: @_";
148	};	305	};
149		306
150	my %ext_pkg;	307	#############################################################################
151	my @exts;
152	my @hook;
153		308
154	=head2 UTILITY FUNCTIONS	309	=head2 UTILITY FUNCTIONS
155		310
156	=over 4	311	=over 4
157		312
158	=cut	313	=item dumpval $ref
159		314
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	315	=cut
161		316
		317	sub dumpval {
		318	eval {
		319	local $SIG{__DIE__};
		320	my $d;
		321	if (1) {
		322	$d = new Data::Dumper([$_[0]], ["*var"]);
		323	$d->Terse(1);
		324	$d->Indent(2);
		325	$d->Quotekeys(0);
		326	$d->Useqq(1);
		327	#$d->Bless(...);
		328	$d->Seen($_[1]) if @_ > 1;
		329	$d = $d->Dump();
		330	}
		331	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		332	$d
		333	} || "[unable to dump $_[0]: '$@']";
		334	}
		335
162	=item $ref = cf::from_json $json	336	=item $ref = cf::decode_json $json
163		337
164	Converts a JSON string into the corresponding perl data structure.	338	Converts a JSON string into the corresponding perl data structure.
165		339
166	=cut
167
168	sub from_json($) {
169	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
170	JSON::Syck::Load $_[0]
171	}
172
173	=item $json = cf::to_json $ref	340	=item $json = cf::encode_json $ref
174		341
175	Converts a perl data structure into its JSON representation.	342	Converts a perl data structure into its JSON representation.
176		343
177	=cut	344	=cut
178		345
179	sub to_json($) {	346	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
180	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
181	JSON::Syck::Dump $_[0]
182	}
183		347
184	=item my $guard = cf::guard { BLOCK }	348	sub encode_json($) { $json_coder->encode ($_[0]) }
		349	sub decode_json($) { $json_coder->decode ($_[0]) }
185		350
186	Run the given callback when the guard object gets destroyed (useful for	351	=item cf::post_init { BLOCK }
187	coroutine cancellations).
188		352
189	You can call C<< ->cancel >> on the guard object to stop the block from	353	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
190	being executed.	354	but I<before> the server starts ticking again.
191		355
192	=cut	356	The cdoeblock will have a single boolean argument to indicate whether this
		357	is a reload or not.
193		358
194	sub guard(&) {	359	=cut
195	bless \(my $cb = $_[0]), cf::guard::;
196	}
197		360
198	sub cf::guard::cancel {	361	sub post_init(&) {
199	${$_[0]} = sub { };	362	push @POST_INIT, shift;
200	}
201
202	sub cf::guard::DESTROY {
203	${$_[0]}->();
204	}	363	}
205		364
206	=item cf::lock_wait $string	365	=item cf::lock_wait $string
207		366
208	Wait until the given lock is available. See cf::lock_acquire.	367	Wait until the given lock is available. See cf::lock_acquire.
209		368
210	=item my $lock = cf::lock_acquire $string	369	=item my $lock = cf::lock_acquire $string
211		370
212	Wait until the given lock is available and then acquires it and returns	371	Wait until the given lock is available and then acquires it and returns
213	a guard object. If the guard object gets destroyed (goes out of scope,	372	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
214	for example when the coroutine gets canceled), the lock is automatically	373	for example when the coroutine gets canceled), the lock is automatically
215	returned.	374	returned.
216		375
		376	Locks are *not* recursive, locking from the same coro twice results in a
		377	deadlocked coro.
		378
217	Lock names should begin with a unique identifier (for example, cf::map::find	379	Lock names should begin with a unique identifier (for example, cf::map::find
218	uses map_find and cf::map::load uses map_load).	380	uses map_find and cf::map::load uses map_load).
219		381
220	=cut	382	=item $locked = cf::lock_active $string
221		383
222	our %LOCK;	384	Return true if the lock is currently active, i.e. somebody has locked it.
		385
		386	=cut
		387
		388	our $LOCKS = new Coro::SemaphoreSet;
223		389
224	sub lock_wait($) {	390	sub lock_wait($) {
225	my ($key) = @_;	391	$LOCKS->wait ($_[0]);
226
227	# wait for lock, if any
228	while ($LOCK{$key}) {
229	push @{ $LOCK{$key} }, $Coro::current;
230	Coro::schedule;
231	}
232	}	392	}
233		393
234	sub lock_acquire($) {	394	sub lock_acquire($) {
235	my ($key) = @_;	395	$LOCKS->guard ($_[0])
		396	}
236		397
237	# wait, to be sure we are not locked	398	sub lock_active($) {
238	lock_wait $key;	399	$LOCKS->count ($_[0]) < 1
		400	}
239		401
240	$LOCK{$key} = [];	402	sub freeze_mainloop {
		403	tick_inhibit_inc;
241		404
242	cf::guard {	405	&Guard::guard (\&tick_inhibit_dec);
243	# wake up all waiters, to be on the safe side	406	}
244	$_->ready for @{ delete $LOCK{$key} };	407
		408	=item cf::periodic $interval, $cb
		409
		410	Like EV::periodic, but randomly selects a starting point so that the actions
		411	get spread over time.
		412
		413	=cut
		414
		415	sub periodic($$) {
		416	my ($interval, $cb) = @_;
		417
		418	my $start = rand List::Util::min 180, $interval;
		419
		420	EV::periodic $start, $interval, 0, $cb
		421	}
		422
		423	=item cf::get_slot $time[, $priority[, $name]]
		424
		425	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		426	This call blocks and returns only when you have at least C<$time> seconds
		427	of cpu time till the next tick. The slot is only valid till the next cede.
		428
		429	The optional C<$name> can be used to identify the job to run. It might be
		430	used for statistical purposes and should identify the same time-class.
		431
		432	Useful for short background jobs.
		433
		434	=cut
		435
		436	our @SLOT_QUEUE;
		437	our $SLOT_QUEUE;
		438	our $SLOT_DECAY = 0.9;
		439
		440	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		441	$SLOT_QUEUE = Coro::async {
		442	$Coro::current->desc ("timeslot manager");
		443
		444	my $signal = new Coro::Signal;
		445	my $busy;
		446
		447	while () {
		448	next_job:
		449
		450	my $avail = cf::till_tick;
		451
		452	for (0 .. $#SLOT_QUEUE) {
		453	if ($SLOT_QUEUE[$_][0] <= $avail) {
		454	$busy = 0;
		455	my $job = splice @SLOT_QUEUE, $_, 1, ();
		456	$job->[2]->send;
		457	Coro::cede;
		458	goto next_job;
		459	} else {
		460	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		461	}
		462	}
		463
		464	if (@SLOT_QUEUE) {
		465	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		466	push @cf::WAIT_FOR_TICK, $signal;
		467	$signal->wait;
		468	} else {
		469	$busy = 0;
		470	Coro::schedule;
		471	}
245	}	472	}
		473	};
		474
		475	sub get_slot($;$$) {
		476	return if tick_inhibit || $Coro::current == $Coro::main;
		477
		478	my ($time, $pri, $name) = @_;
		479
		480	$time = clamp $time, 0.01, $TICK * .6;
		481
		482	my $sig = new Coro::Signal;
		483
		484	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		485	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		486	$SLOT_QUEUE->ready;
		487	$sig->wait;
246	}	488	}
247		489
248	=item cf::async { BLOCK }	490	=item cf::async { BLOCK }
249		491
250	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the	492	Currently the same as Coro::async_pool, meaning you cannot use
251	error instead of exiting the server in case of a problem.	493	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		494	thing you are allowed to do is call C<prio> on it.
252		495
253	=cut	496	=cut
254		497
255	sub async(&) {	498	BEGIN { *async = \&Coro::async_pool }
256	my ($cb) = @_;
257
258	Coro::async {
259	eval { $cb->() };
260	warn $@ if $@;
261	}
262	}
263
264	sub freeze_mainloop {
265	return unless $TICK_WATCHER->is_active;
266
267	my $guard = guard { $TICK_WATCHER->start };
268	$TICK_WATCHER->stop;
269	$guard
270	}
271		499
272	=item cf::sync_job { BLOCK }	500	=item cf::sync_job { BLOCK }
273		501
274	The design of crossfire+ requires that the main coro ($Coro::main) is	502	The design of Deliantra requires that the main coroutine ($Coro::main)
275	always able to handle events or runnable, as crossfire+ is only partly	503	is always able to handle events or runnable, as Deliantra is only
276	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	504	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		505	acceptable.
277		506
278	If it must be done, put the blocking parts into C<sync_job>. This will run	507	If it must be done, put the blocking parts into C<sync_job>. This will run
279	the given BLOCK in another coroutine while waiting for the result. The	508	the given BLOCK in another coroutine while waiting for the result. The
280	server will be frozen during this time, so the block should either finish	509	server will be frozen during this time, so the block should either finish
281	fast or be very important.	510	fast or be very important.
…		…
284		513
285	sub sync_job(&) {	514	sub sync_job(&) {
286	my ($job) = @_;	515	my ($job) = @_;
287		516
288	if ($Coro::current == $Coro::main) {	517	if ($Coro::current == $Coro::main) {
		518	my $time = AE::time;
		519
289	# this is the main coro, too bad, we have to block	520	# this is the main coro, too bad, we have to block
290	# till the operation succeeds, freezing the server :/	521	# till the operation succeeds, freezing the server :/
291		522
292	# TODO: use suspend/resume instead	523	LOG llevError, Carp::longmess "sync job";#d#
293	# (but this is cancel-safe)	524
294	my $freeze_guard = freeze_mainloop;	525	my $freeze_guard = freeze_mainloop;
295		526
296	my $busy = 1;	527	my $busy = 1;
297	my @res;	528	my @res;
298		529
299	(Coro::async {	530	(async {
		531	$Coro::current->desc ("sync job coro");
300	@res = eval { $job->() };	532	@res = eval { $job->() };
301	warn $@ if $@;	533	warn $@ if $@;
302	undef $busy;	534	undef $busy;
303	})->prio (Coro::PRIO_MAX);	535	})->prio (Coro::PRIO_MAX);
304		536
305	while ($busy) {	537	while ($busy) {
		538	if (Coro::nready) {
306	Coro::cede_notself;	539	Coro::cede_notself;
307	Event::one_event unless Coro::nready;	540	} else {
		541	EV::loop EV::LOOP_ONESHOT;
308	}	542	}
		543	}
		544
		545	my $time = AE::time - $time;
		546
		547	$TICK_START += $time; # do not account sync jobs to server load
309		548
310	wantarray ? @res : $res[0]	549	wantarray ? @res : $res[0]
311	} else {	550	} else {
312	# we are in another coroutine, how wonderful, everything just works	551	# we are in another coroutine, how wonderful, everything just works
313		552
314	$job->()	553	$job->()
315	}	554	}
316	}	555	}
317		556
318	=item $coro = cf::coro { BLOCK }	557	=item $coro = cf::async_ext { BLOCK }
319		558
320	Creates and returns a new coro. This coro is automcatially being canceled	559	Like async, but this coro is automatically being canceled when the
321	when the extension calling this is being unloaded.	560	extension calling this is being unloaded.
322		561
323	=cut	562	=cut
324		563
325	sub coro(&) {	564	sub async_ext(&) {
326	my $cb = shift;	565	my $cb = shift;
327		566
328	my $coro = &cf::async ($cb);	567	my $coro = &Coro::async ($cb);
329		568
330	$coro->on_destroy (sub {	569	$coro->on_destroy (sub {
331	delete $EXT_CORO{$coro+0};	570	delete $EXT_CORO{$coro+0};
332	});	571	});
333	$EXT_CORO{$coro+0} = $coro;	572	$EXT_CORO{$coro+0} = $coro;
334		573
335	$coro	574	$coro
336	}	575	}
337		576
338	sub write_runtime {	577	=item fork_call { }, $args
339	my $runtime = cf::localdir . "/runtime";
340		578
341	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	579	Executes the given code block with the given arguments in a seperate
342	or return;	580	process, returning the results. Everything must be serialisable with
		581	Coro::Storable. May, of course, block. Note that the executed sub may
		582	never block itself or use any form of event handling.
343		583
344	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	584	=cut
345	(aio_write $fh, 0, (length $value), $value, 0) <= 0
346	and return;
347		585
348	aio_fsync $fh	586	sub fork_call(&@) {
349	and return;	587	my ($cb, @args) = @_;
350		588
351	close $fh	589	# we seemingly have to make a local copy of the whole thing,
352	or return;	590	# otherwise perl prematurely frees the stuff :/
		591	# TODO: investigate and fix (likely this will be rather laborious)
353		592
354	aio_rename "$runtime~", $runtime	593	my @res = Coro::Util::fork_eval {
355	and return;	594	reset_signals;
		595	&$cb
		596	}, @args;
356		597
		598	wantarray ? @res : $res[-1]
		599	}
		600
		601	sub objinfo {
357	1	602	(
		603	"counter value" => cf::object::object_count,
		604	"objects created" => cf::object::create_count,
		605	"objects destroyed" => cf::object::destroy_count,
		606	"freelist size" => cf::object::free_count,
		607	"allocated objects" => cf::object::objects_size,
		608	"active objects" => cf::object::actives_size,
		609	)
		610	}
		611
		612	=item $coin = coin_from_name $name
		613
		614	=cut
		615
		616	our %coin_alias = (
		617	"silver" => "silvercoin",
		618	"silvercoin" => "silvercoin",
		619	"silvercoins" => "silvercoin",
		620	"gold" => "goldcoin",
		621	"goldcoin" => "goldcoin",
		622	"goldcoins" => "goldcoin",
		623	"platinum" => "platinacoin",
		624	"platinumcoin" => "platinacoin",
		625	"platinumcoins" => "platinacoin",
		626	"platina" => "platinacoin",
		627	"platinacoin" => "platinacoin",
		628	"platinacoins" => "platinacoin",
		629	"royalty" => "royalty",
		630	"royalties" => "royalty",
		631	);
		632
		633	sub coin_from_name($) {
		634	$coin_alias{$_[0]}
		635	? cf::arch::find $coin_alias{$_[0]}
		636	: undef
		637	}
		638
		639	=item $value = cf::db_get $family => $key
		640
		641	Returns a single value from the environment database.
		642
		643	=item cf::db_put $family => $key => $value
		644
		645	Stores the given C<$value> in the family. It can currently store binary
		646	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		647
		648	=item $db = cf::db_table "name"
		649
		650	Create and/or open a new database table. The string must not be "db" and must be unique
		651	within each server.
		652
		653	=cut
		654
		655	sub db_table($) {
		656	my ($name) = @_;
		657	my $db = BDB::db_create $DB_ENV;
		658
		659	eval {
		660	$db->set_flags (BDB::CHKSUM);
		661
		662	utf8::encode $name;
		663	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		664	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		665	cf::cleanup "db_open(db): $!" if $!;
		666	};
		667	cf::cleanup "db_open(db): $@" if $@;
		668
		669	$db
		670	}
		671
		672	our $DB;
		673
		674	sub db_init {
		675	cf::sync_job {
		676	$DB ||= db_table "db";
		677	};
		678	}
		679
		680	sub db_get($$) {
		681	my $key = "$_[0]/$_[1]";
		682
		683	cf::sync_job {
		684	BDB::db_get $DB, undef, $key, my $data;
		685
		686	$! ? ()
		687	: $data
		688	}
		689	}
		690
		691	sub db_put($$$) {
		692	BDB::dbreq_pri 4;
		693	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		694	}
		695
		696	=item cf::cache $id => [$paths...], $processversion => $process
		697
		698	Generic caching function that returns the value of the resource $id,
		699	caching and regenerating as required.
		700
		701	This function can block.
		702
		703	=cut
		704
		705	sub cache {
		706	my ($id, $src, $processversion, $process) = @_;
		707
		708	my $meta =
		709	join "\x00",
		710	$processversion,
		711	map {
		712	aio_stat $_
		713	and Carp::croak "$_: $!";
		714
		715	($_, (stat _)[7,9])
		716	} @$src;
		717
		718	my $dbmeta = db_get cache => "$id/meta";
		719	if ($dbmeta ne $meta) {
		720	# changed, we may need to process
		721
		722	my @data;
		723	my $md5;
		724
		725	for (0 .. $#$src) {
		726	0 <= aio_load $src->[$_], $data[$_]
		727	or Carp::croak "$src->[$_]: $!";
		728	}
		729
		730	# if processing is expensive, check
		731	# checksum first
		732	if (1) {
		733	$md5 =
		734	join "\x00",
		735	$processversion,
		736	map {
		737	cf::cede_to_tick;
		738	($src->[$_], Digest::MD5::md5_hex $data[$_])
		739	} 0.. $#$src;
		740
		741
		742	my $dbmd5 = db_get cache => "$id/md5";
		743	if ($dbmd5 eq $md5) {
		744	db_put cache => "$id/meta", $meta;
		745
		746	return db_get cache => "$id/data";
		747	}
		748	}
		749
		750	my $t1 = Time::HiRes::time;
		751	my $data = $process->(\@data);
		752	my $t2 = Time::HiRes::time;
		753
		754	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		755
		756	db_put cache => "$id/data", $data;
		757	db_put cache => "$id/md5" , $md5;
		758	db_put cache => "$id/meta", $meta;
		759
		760	return $data;
		761	}
		762
		763	db_get cache => "$id/data"
		764	}
		765
		766	=item cf::datalog type => key => value, ...
		767
		768	Log a datalog packet of the given type with the given key-value pairs.
		769
		770	=cut
		771
		772	sub datalog($@) {
		773	my ($type, %kv) = @_;
		774	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
358	}	775	}
359		776
360	=back	777	=back
361		778
362	=cut	779	=cut
363		780
364	#############################################################################	781	#############################################################################
365		782
366	package cf::path;
367
368	sub new {
369	my ($class, $path, $base) = @_;
370
371	$path = $path->as_string if ref $path;
372
373	my $self = bless { }, $class;
374
375	# {... are special paths that are not touched
376	# ?xxx/... are special absolute paths
377	# ?random/... random maps
378	# /! non-realised random map exit
379	# /... normal maps
380	# ~/... per-player maps without a specific player (DO NOT USE)
381	# ~user/... per-player map of a specific user
382
383	if ($path =~ /^{/) {
384	# fine as it is
385	} elsif ($path =~ s{^\?random/}{}) {
386	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
387	$self->{random} = cf::from_json $data;
388	} else {
389	if ($path =~ s{^~([^/]+)?}{}) {
390	$self->{user_rel} = 1;
391
392	if (defined $1) {
393	$self->{user} = $1;
394	} elsif ($base =~ m{^~([^/]+)/}) {
395	$self->{user} = $1;
396	} else {
397	warn "cannot resolve user-relative path without user <$path,$base>\n";
398	}
399	} elsif ($path =~ /^\//) {
400	# already absolute
401	} else {
402	$base =~ s{[^/]+/?$}{};
403	return $class->new ("$base/$path");
404	}
405
406	for ($path) {
407	redo if s{/\.?/}{/};
408	redo if s{/[^/]+/\.\./}{/};
409	}
410	}
411
412	$self->{path} = $path;
413
414	$self
415	}
416
417	# the name / primary key / in-game path
418	sub as_string {
419	my ($self) = @_;
420
421	$self->{user_rel} ? "~$self->{user}$self->{path}"
422	: $self->{random} ? "?random/$self->{path}"
423	: $self->{path}
424	}
425
426	# the displayed name, this is a one way mapping
427	sub visible_name {
428	my ($self) = @_;
429
430	# if (my $rmp = $self->{random}) {
431	# # todo: be more intelligent about this
432	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
433	# } else {
434	$self->as_string
435	# }
436	}
437
438	# escape the /'s in the path
439	sub _escaped_path {
440	# ∕ is U+2215
441	(my $path = $_[0]{path}) =~ s/\//∕/g;
442	$path
443	}
444
445	# the original (read-only) location
446	sub load_path {
447	my ($self) = @_;
448
449	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
450	}
451
452	# the temporary/swap location
453	sub save_path {
454	my ($self) = @_;
455
456	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
457	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
458	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
459	}
460
461	# the unique path, might be eq to save_path
462	sub uniq_path {
463	my ($self) = @_;
464
465	$self->{user_rel} || $self->{random}
466	? undef
467	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
468	}
469
470	# return random map parameters, or undef
471	sub random_map_params {
472	my ($self) = @_;
473
474	$self->{random}
475	}
476
477	# this is somewhat ugly, but style maps do need special treatment
478	sub is_style_map {
479	$_[0]{path} =~ m{^/styles/}
480	}
481
482	package cf;
483
484	#############################################################################
485
486	=head2 ATTACHABLE OBJECTS	783	=head2 ATTACHABLE OBJECTS
487		784
488	Many objects in crossfire are so-called attachable objects. That means you can	785	Many objects in deliantra are so-called attachable objects. That means you can
489	attach callbacks/event handlers (a collection of which is called an "attachment")	786	attach callbacks/event handlers (a collection of which is called an "attachment")
490	to it. All such attachable objects support the following methods.	787	to it. All such attachable objects support the following methods.
491		788
492	In the following description, CLASS can be any of C<global>, C<object>	789	In the following description, CLASS can be any of C<global>, C<object>
493	C<player>, C<client> or C<map> (i.e. the attachable objects in	790	C<player>, C<client> or C<map> (i.e. the attachable objects in
494	crossfire+).	791	Deliantra).
495		792
496	=over 4	793	=over 4
497		794
498	=item $attachable->attach ($attachment, key => $value...)	795	=item $attachable->attach ($attachment, key => $value...)
499		796
…		…
543	=item cf::CLASS::attachment $name, ...	840	=item cf::CLASS::attachment $name, ...
544		841
545	Register an attachment by C<$name> through which attachable objects of the	842	Register an attachment by C<$name> through which attachable objects of the
546	given CLASS can refer to this attachment.	843	given CLASS can refer to this attachment.
547		844
548	Some classes such as crossfire maps and objects can specify attachments	845	Some classes such as deliantra maps and objects can specify attachments
549	that are attached at load/instantiate time, thus the need for a name.	846	that are attached at load/instantiate time, thus the need for a name.
550		847
551	These calls expect any number of the following handler/hook descriptions:	848	These calls expect any number of the following handler/hook descriptions:
552		849
553	=over 4	850	=over 4
…		…
613	our @CB_TYPE = (); # registry for type (cf-object class) based events	910	our @CB_TYPE = (); # registry for type (cf-object class) based events
614	our @CB_MAP = ();	911	our @CB_MAP = ();
615		912
616	my %attachment;	913	my %attachment;
617		914
		915	sub cf::attachable::thawer_merge {
		916	# simply override everything except _meta
		917	local $_[0]{_meta};
		918	%{$_[0]} = %{$_[1]};
		919	}
		920
618	sub _attach_cb($$$$) {	921	sub _attach_cb($$$$) {
619	my ($registry, $event, $prio, $cb) = @_;	922	my ($registry, $event, $prio, $cb) = @_;
620		923
621	use sort 'stable';	924	use sort 'stable';
622		925
…		…
656	$registry = $CB_TYPE[$object_type] ||= [];	959	$registry = $CB_TYPE[$object_type] ||= [];
657		960
658	} elsif ($type eq "subtype") {	961	} elsif ($type eq "subtype") {
659	defined $object_type or Carp::croak "subtype specified without type";	962	defined $object_type or Carp::croak "subtype specified without type";
660	my $object_subtype = shift @arg;	963	my $object_subtype = shift @arg;
661	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	964	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
662		965
663	} elsif ($type eq "package") {	966	} elsif ($type eq "package") {
664	my $pkg = shift @arg;	967	my $pkg = shift @arg;
665		968
666	while (my ($name, $id) = each %cb_id) {	969	while (my ($name, $id) = each %cb_id) {
…		…
695	_attach $registry, $klass, @attach;	998	_attach $registry, $klass, @attach;
696	}	999	}
697		1000
698	$obj->{$name} = \%arg;	1001	$obj->{$name} = \%arg;
699	} else {	1002	} else {
700	warn "object uses attachment '$name' that is not available, postponing.\n";	1003	warn "object uses attachment '$name' which is not available, postponing.\n";
701	}	1004	}
702		1005
703	$obj->{_attachment}{$name} = undef;	1006	$obj->{_attachment}{$name} = undef;
704	}	1007	}
705		1008
…		…
707	if (ref $_[0]) {	1010	if (ref $_[0]) {
708	_object_attach @_;	1011	_object_attach @_;
709	} else {	1012	} else {
710	_attach shift->_attach_registry, @_;	1013	_attach shift->_attach_registry, @_;
711	}	1014	}
		1015	_recalc_want;
712	};	1016	};
713		1017
714	# all those should be optimised	1018	# all those should be optimised
715	sub cf::attachable::detach {	1019	sub cf::attachable::detach {
716	my ($obj, $name) = @_;	1020	my ($obj, $name) = @_;
…		…
719	delete $obj->{_attachment}{$name};	1023	delete $obj->{_attachment}{$name};
720	reattach ($obj);	1024	reattach ($obj);
721	} else {	1025	} else {
722	Carp::croak "cannot, currently, detach class attachments";	1026	Carp::croak "cannot, currently, detach class attachments";
723	}	1027	}
		1028	_recalc_want;
724	};	1029	};
725		1030
726	sub cf::attachable::attached {	1031	sub cf::attachable::attached {
727	my ($obj, $name) = @_;	1032	my ($obj, $name) = @_;
728		1033
…		…
743	";	1048	";
744	die if $@;	1049	die if $@;
745	}	1050	}
746		1051
747	our $override;	1052	our $override;
748	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1053	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
749		1054
750	sub override {	1055	sub override {
751	$override = 1;	1056	$override = 1;
752	@invoke_results = ();	1057	@INVOKE_RESULTS = (@_);
753	}	1058	}
754		1059
755	sub do_invoke {	1060	sub do_invoke {
756	my $event = shift;	1061	my $event = shift;
757	my $callbacks = shift;	1062	my $callbacks = shift;
758		1063
759	@invoke_results = ();	1064	@INVOKE_RESULTS = ();
760		1065
761	local $override;	1066	local $override;
762		1067
763	for (@$callbacks) {	1068	for (@$callbacks) {
764	eval { &{$_->[1]} };	1069	eval { &{$_->[1]} };
…		…
773	}	1078	}
774		1079
775	0	1080	0
776	}	1081	}
777		1082
778	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1083	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
779		1084
780	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1085	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
781		1086
782	Generate an object-specific event with the given arguments.	1087	Generate an object-specific event with the given arguments.
783		1088
784	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1089	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
785	removed in future versions), and there is no public API to access override	1090	removed in future versions), and there is no public API to access override
786	results (if you must, access C<@cf::invoke_results> directly).	1091	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
787		1092
788	=back	1093	=back
789		1094
790	=cut	1095	=cut
791		1096
792	#############################################################################	1097	#############################################################################
793	# object support	1098	# object support
		1099
		1100	sub _object_equal($$);
		1101	sub _object_equal($$) {
		1102	my ($a, $b) = @_;
		1103
		1104	return 0 unless (ref $a) eq (ref $b);
		1105
		1106	if ("HASH" eq ref $a) {
		1107	my @ka = keys %$a;
		1108	my @kb = keys %$b;
		1109
		1110	return 0 if @ka != @kb;
		1111
		1112	for (0 .. $#ka) {
		1113	return 0 unless $ka[$_] eq $kb[$_];
		1114	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1115	}
		1116
		1117	} elsif ("ARRAY" eq ref $a) {
		1118
		1119	return 0 if @$a != @$b;
		1120
		1121	for (0 .. $#$a) {
		1122	return 0 unless _object_equal $a->[$_], $b->[$_];
		1123	}
		1124
		1125	} elsif ($a ne $b) {
		1126	return 0;
		1127	}
		1128
		1129	1
		1130	}
		1131
		1132	our $SLOW_MERGES;#d#
		1133	sub _can_merge {
		1134	my ($ob1, $ob2) = @_;
		1135
		1136	++$SLOW_MERGES;#d#
		1137
		1138	# we do the slow way here
		1139	return _object_equal $ob1, $ob2
		1140	}
794		1141
795	sub reattach {	1142	sub reattach {
796	# basically do the same as instantiate, without calling instantiate	1143	# basically do the same as instantiate, without calling instantiate
797	my ($obj) = @_;	1144	my ($obj) = @_;
		1145
		1146	# no longer needed after getting rid of delete_package?
		1147	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
798		1148
799	my $registry = $obj->registry;	1149	my $registry = $obj->registry;
800		1150
801	@$registry = ();	1151	@$registry = ();
802		1152
…		…
817	cf::attachable->attach (	1167	cf::attachable->attach (
818	prio => -1000000,	1168	prio => -1000000,
819	on_instantiate => sub {	1169	on_instantiate => sub {
820	my ($obj, $data) = @_;	1170	my ($obj, $data) = @_;
821		1171
822	$data = from_json $data;	1172	$data = decode_json $data;
823		1173
824	for (@$data) {	1174	for (@$data) {
825	my ($name, $args) = @$_;	1175	my ($name, $args) = @$_;
826		1176
827	$obj->attach ($name, %{$args || {} });	1177	$obj->attach ($name, %{$args || {} });
…		…
843	sub object_freezer_save {	1193	sub object_freezer_save {
844	my ($filename, $rdata, $objs) = @_;	1194	my ($filename, $rdata, $objs) = @_;
845		1195
846	sync_job {	1196	sync_job {
847	if (length $$rdata) {	1197	if (length $$rdata) {
		1198	utf8::decode (my $decname = $filename);
848	warn sprintf "saving %s (%d,%d)\n",	1199	warn sprintf "saving %s (%d,%d)\n",
849	$filename, length $$rdata, scalar @$objs;	1200	$decname, length $$rdata, scalar @$objs
		1201	if $VERBOSE_IO;
850		1202
851	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1203	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
852	chmod SAVE_MODE, $fh;	1204	aio_chmod $fh, SAVE_MODE;
853	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1205	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1206	if ($cf::USE_FSYNC) {
		1207	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;
854	aio_fsync $fh;	1208	aio_fsync $fh;
		1209	}
855	close $fh;	1210	aio_close $fh;
856		1211
857	if (@$objs) {	1212	if (@$objs) {
858	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1213	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
859	chmod SAVE_MODE, $fh;	1214	aio_chmod $fh, SAVE_MODE;
860	my $data = Storable::nfreeze { version => 1, objs => $objs };	1215	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
861	aio_write $fh, 0, (length $data), $data, 0;	1216	aio_write $fh, 0, (length $data), $data, 0;
		1217	if ($cf::USE_FSYNC) {
		1218	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;
862	aio_fsync $fh;	1219	aio_fsync $fh;
		1220	}
863	close $fh;	1221	aio_close $fh;
864	aio_rename "$filename.pst~", "$filename.pst";	1222	aio_rename "$filename.pst~", "$filename.pst";
865	}	1223	}
866	} else {	1224	} else {
867	aio_unlink "$filename.pst";	1225	aio_unlink "$filename.pst";
868	}	1226	}
869		1227
870	aio_rename "$filename~", $filename;	1228	aio_rename "$filename~", $filename;
		1229
		1230	$filename =~ s%/[^/]+$%%;
		1231	aio_pathsync $filename if $cf::USE_FSYNC;
871	} else {	1232	} else {
872	warn "FATAL: $filename~: $!\n";	1233	warn "unable to save objects: $filename~: $!\n";
873	}	1234	}
874	} else {	1235	} else {
875	aio_unlink $filename;	1236	aio_unlink $filename;
876	aio_unlink "$filename.pst";	1237	aio_unlink "$filename.pst";
877	}	1238	}
878	}	1239	};
879	}	1240	}
880		1241
881	sub object_freezer_as_string {	1242	sub object_freezer_as_string {
882	my ($rdata, $objs) = @_;	1243	my ($rdata, $objs) = @_;
883		1244
…		…
895	or return;	1256	or return;
896		1257
897	unless (aio_stat "$filename.pst") {	1258	unless (aio_stat "$filename.pst") {
898	(aio_load "$filename.pst", $av) >= 0	1259	(aio_load "$filename.pst", $av) >= 0
899	or return;	1260	or return;
		1261
900	$av = eval { (Storable::thaw $av)->{objs} };	1262	my $st = eval { Coro::Storable::thaw $av };
		1263	$av = $st->{objs};
901	}	1264	}
902		1265
		1266	utf8::decode (my $decname = $filename);
903	warn sprintf "loading %s (%d)\n",	1267	warn sprintf "loading %s (%d,%d)\n",
904	$filename, length $data, scalar @{$av || []};#d#	1268	$decname, length $data, scalar @{$av || []}
		1269	if $VERBOSE_IO;
		1270
905	return ($data, $av);	1271	($data, $av)
906	}	1272	}
		1273
		1274	=head2 COMMAND CALLBACKS
		1275
		1276	=over 4
		1277
		1278	=cut
907		1279
908	#############################################################################	1280	#############################################################################
909	# command handling &c	1281	# command handling &c
910		1282
911	=item cf::register_command $name => \&callback($ob,$args);	1283	=item cf::register_command $name => \&callback($ob,$args);
…		…
924	push @{ $COMMAND{$name} }, [$caller, $cb];	1296	push @{ $COMMAND{$name} }, [$caller, $cb];
925	}	1297	}
926		1298
927	=item cf::register_extcmd $name => \&callback($pl,$packet);	1299	=item cf::register_extcmd $name => \&callback($pl,$packet);
928		1300
929	Register a callbackf ro execution when the client sends an extcmd packet.	1301	Register a callback for execution when the client sends an (synchronous)
		1302	extcmd packet. Ext commands will be processed in the order they are
		1303	received by the server, like other user commands. The first argument is
		1304	the logged-in player. Ext commands can only be processed after a player
		1305	has logged in successfully.
930		1306
931	If the callback returns something, it is sent back as if reply was being	1307	If the callback returns something, it is sent back as if reply was being
932	called.	1308	called.
933		1309
		1310	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1311
		1312	Register a callback for execution when the client sends an (asynchronous)
		1313	exticmd packet. Exti commands are processed by the server as soon as they
		1314	are received, i.e. out of order w.r.t. other commands. The first argument
		1315	is a client socket. Exti commands can be received anytime, even before
		1316	log-in.
		1317
		1318	If the callback returns something, it is sent back as if reply was being
		1319	called.
		1320
934	=cut	1321	=cut
935		1322
936	sub register_extcmd {	1323	sub register_extcmd {
937	my ($name, $cb) = @_;	1324	my ($name, $cb) = @_;
938		1325
939	my $caller = caller;
940	#warn "registering extcmd '$name' to '$caller'";
941
942	$EXTCMD{$name} = [$cb, $caller];	1326	$EXTCMD{$name} = $cb;
943	}	1327	}
		1328
		1329	sub register_exticmd {
		1330	my ($name, $cb) = @_;
		1331
		1332	$EXTICMD{$name} = $cb;
		1333	}
		1334
		1335	use File::Glob ();
944		1336
945	cf::player->attach (	1337	cf::player->attach (
946	on_command => sub {	1338	on_unknown_command => sub {
947	my ($pl, $name, $params) = @_;	1339	my ($pl, $name, $params) = @_;
948		1340
949	my $cb = $COMMAND{$name}	1341	my $cb = $COMMAND{$name}
950	or return;	1342	or return;
951		1343
…		…
956	cf::override;	1348	cf::override;
957	},	1349	},
958	on_extcmd => sub {	1350	on_extcmd => sub {
959	my ($pl, $buf) = @_;	1351	my ($pl, $buf) = @_;
960		1352
961	my $msg = eval { from_json $buf };	1353	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
962		1354
963	if (ref $msg) {	1355	if (ref $msg) {
		1356	my ($type, $reply, @payload) =
		1357	"ARRAY" eq ref $msg
		1358	? @$msg
		1359	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1360
		1361	my @reply;
		1362
964	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1363	if (my $cb = $EXTCMD{$type}) {
965	if (my %reply = $cb->[0]->($pl, $msg)) {	1364	@reply = $cb->($pl, @payload);
966	$pl->ext_reply ($msg->{msgid}, %reply);
967	}
968	}	1365	}
		1366
		1367	$pl->ext_reply ($reply, @reply)
		1368	if $reply;
		1369
969	} else {	1370	} else {
970	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1371	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
971	}	1372	}
972		1373
973	cf::override;	1374	cf::override;
974	},	1375	},
975	);	1376	);
976		1377
977	sub register {	1378	# "readahead" all extensions
978	my ($base, $pkg) = @_;
979
980	#TODO
981	}
982
983	sub load_extension {	1379	sub cache_extensions {
984	my ($path) = @_;	1380	my $grp = IO::AIO::aio_group;
985		1381
986	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1382	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
987	my $base = $1;	1383	for (grep /\.ext$/, @{$_[0]}) {
988	my $pkg = $1;	1384	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
989	$pkg =~ s/[^[:word:]]/_/g;
990	$pkg = "ext::$pkg";
991
992	warn "loading '$path' into '$pkg'\n";
993
994	open my $fh, "<:utf8", $path
995	or die "$path: $!";
996
997	my $source =
998	"package $pkg; use strict; use utf8;\n"
999	. "#line 1 \"$path\"\n{\n"
1000	. (do { local $/; <$fh> })
1001	. "\n};\n1";
1002
1003	eval $source
1004	or die $@ ? "$path: $@\n"
1005	: "extension disabled.\n";
1006
1007	push @exts, $pkg;
1008	$ext_pkg{$base} = $pkg;
1009
1010	# no strict 'refs';
1011	# @{"$pkg\::ISA"} = ext::;
1012
1013	register $base, $pkg;
1014	}
1015
1016	sub unload_extension {
1017	my ($pkg) = @_;
1018
1019	warn "removing extension $pkg\n";
1020
1021	# remove hooks
1022	#TODO
1023	# for my $idx (0 .. $#PLUGIN_EVENT) {
1024	# delete $hook[$idx]{$pkg};
1025	# }
1026
1027	# remove commands
1028	for my $name (keys %COMMAND) {
1029	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1030
1031	if (@cb) {
1032	$COMMAND{$name} = \@cb;
1033	} else {
1034	delete $COMMAND{$name};
1035	}	1385	}
1036	}	1386	};
1037		1387
1038	# remove extcmds	1388	$grp
1039	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1040	delete $EXTCMD{$name};
1041	}
1042
1043	if (my $cb = $pkg->can ("unload")) {
1044	eval {
1045	$cb->($pkg);
1046	1
1047	} or warn "$pkg unloaded, but with errors: $@";
1048	}
1049
1050	Symbol::delete_package $pkg;
1051	}	1389	}
1052		1390
1053	sub load_extensions {	1391	sub load_extensions {
		1392	cf::sync_job {
		1393	my %todo;
		1394
1054	for my $ext (<$LIBDIR/*.ext>) {	1395	for my $path (<$LIBDIR/*.ext>) {
1055	next unless -r $ext;	1396	next unless -r $path;
1056	eval {	1397
1057	load_extension $ext;	1398	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1399	my $base = $1;
		1400	my $pkg = $1;
		1401	$pkg =~ s/[^[:word:]]/_/g;
		1402	$pkg = "ext::$pkg";
		1403
		1404	open my $fh, "<:utf8", $path
		1405	or die "$path: $!";
		1406
		1407	my $source = do { local $/; <$fh> };
		1408
		1409	my %ext = (
		1410	path => $path,
		1411	base => $base,
		1412	pkg => $pkg,
		1413	);
		1414
		1415	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1416	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1417
		1418	$ext{source} =
		1419	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1420	. "#line 1 \"$path\"\n{\n"
		1421	. $source
		1422	. "\n};\n1";
		1423
		1424	$todo{$base} = \%ext;
		1425	}
		1426
		1427	my $pass = 0;
		1428	my %done;
		1429	while (%todo) {
		1430	my $progress;
		1431
		1432	++$pass;
		1433
		1434	ext:
		1435	while (my ($k, $v) = each %todo) {
		1436	for (split /,\s*/, $v->{meta}{depends}) {
		1437	next ext
		1438	unless exists $done{$_};
		1439	}
		1440
		1441	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1442
		1443	my $active = eval $v->{source};
		1444
		1445	if (length $@) {
		1446	warn "$v->{path}: $@\n";
		1447
		1448	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1449	if exists $v->{meta}{mandatory};
		1450
		1451	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1452	delete $todo{$k};
		1453	} else {
		1454	$done{$k} = delete $todo{$k};
		1455	push @EXTS, $v->{pkg};
		1456	$progress = 1;
		1457
		1458	warn "$v->{base}: extension inactive.\n"
		1459	unless $active;
		1460	}
1058	1	1461	}
1059	} or warn "$ext not loaded: $@";	1462
		1463	unless ($progress) {
		1464	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1465
		1466	while (my ($k, $v) = each %todo) {
		1467	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1468	if exists $v->{meta}{mandatory};
		1469	}
		1470	}
		1471	}
1060	}	1472	};
1061	}	1473	}
1062		1474
1063	#############################################################################	1475	#############################################################################
1064	# load/save/clean perl data associated with a map
1065		1476
1066	*cf::mapsupport::on_clean = sub {	1477	=back
		1478
		1479	=head2 CORE EXTENSIONS
		1480
		1481	Functions and methods that extend core deliantra objects.
		1482
		1483	=cut
		1484
		1485	package cf::player;
		1486
		1487	use Coro::AIO;
		1488
		1489	=head3 cf::player
		1490
		1491	=over 4
		1492
		1493	=item cf::player::num_playing
		1494
		1495	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1496
		1497	=cut
		1498
		1499	sub num_playing {
		1500	scalar grep
		1501	$_->ob->map
		1502	&& !$_->hidden
		1503	&& !$_->ob->flag (cf::FLAG_WIZ),
		1504	cf::player::list
		1505	}
		1506
		1507	=item cf::player::find $login
		1508
		1509	Returns the given player object, loading it if necessary (might block).
		1510
		1511	=cut
		1512
		1513	sub playerdir($) {
		1514	"$PLAYERDIR/"
		1515	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		1516	}
		1517
		1518	sub path($) {
		1519	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		1520
		1521	(playerdir $login) . "/playerdata"
		1522	}
		1523
		1524	sub find_active($) {
		1525	$cf::PLAYER{$_[0]}
		1526	and $cf::PLAYER{$_[0]}->active
		1527	and $cf::PLAYER{$_[0]}
		1528	}
		1529
		1530	sub exists($) {
1067	my ($map) = @_;	1531	my ($login) = @_;
1068		1532
1069	my $path = $map->tmpname;	1533	$cf::PLAYER{$login}
1070	defined $path or return;	1534	or !aio_stat path $login
1071
1072	unlink "$path.pst";
1073	};
1074
1075	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1076
1077	#############################################################################
1078	# load/save perl data associated with player->ob objects
1079
1080	sub all_objects(@) {
1081	@_, map all_objects ($_->inv), @_
1082	}	1535	}
1083		1536
1084	# TODO: compatibility cruft, remove when no longer needed	1537	sub find($) {
		1538	return $cf::PLAYER{$_[0]} || do {
		1539	my $login = $_[0];
		1540
		1541	my $guard = cf::lock_acquire "user_find:$login";
		1542
		1543	$cf::PLAYER{$_[0]} || do {
		1544	# rename old playerfiles to new ones
		1545	#TODO: remove when no longer required
		1546	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1547	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1548	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1549	aio_unlink +(playerdir $login) . "/$login.pl";
		1550
		1551	my $f = new_from_file cf::object::thawer path $login
		1552	or return;
		1553
		1554	my $pl = cf::player::load_pl $f
		1555	or return;
		1556
		1557	local $cf::PLAYER_LOADING{$login} = $pl;
		1558	$f->resolve_delayed_derefs;
		1559	$cf::PLAYER{$login} = $pl
		1560	}
		1561	}
		1562	}
		1563
1085	cf::player->attach (	1564	cf::player->attach (
1086	on_load => sub {	1565	on_load => sub {
1087	my ($pl, $path) = @_;	1566	my ($pl, $path) = @_;
1088		1567
1089	for my $o (all_objects $pl->ob) {	1568	# restore slots saved in save, below
1090	if (my $value = $o->get_ob_key_value ("_perl_data")) {	1569	my $slots = delete $pl->{_slots};
1091	$o->set_ob_key_value ("_perl_data");
1092		1570
1093	%$o = %{ Storable::thaw pack "H*", $value };	1571	$pl->ob->current_weapon ($slots->[0]);
1094	}	1572	$pl->combat_ob ($slots->[1]);
1095	}	1573	$pl->ranged_ob ($slots->[2]);
1096	},	1574	},
1097	);	1575	);
1098		1576
1099	#############################################################################	1577	sub save($) {
		1578	my ($pl) = @_;
1100		1579
1101	=head2 CORE EXTENSIONS	1580	return if $pl->{deny_save};
1102		1581
1103	Functions and methods that extend core crossfire objects.	1582	my $path = path $pl;
		1583	my $guard = cf::lock_acquire "user_save:$path";
1104		1584
1105	=head3 cf::player	1585	return if $pl->{deny_save};
		1586
		1587	aio_mkdir playerdir $pl, 0770;
		1588	$pl->{last_save} = $cf::RUNTIME;
		1589
		1590	cf::get_slot 0.01;
		1591
		1592	# save slots, to be restored later
		1593	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1594
		1595	$pl->save_pl ($path);
		1596	cf::cede_to_tick;
		1597	}
		1598
		1599	sub new($) {
		1600	my ($login) = @_;
		1601
		1602	my $self = create;
		1603
		1604	$self->ob->name ($login);
		1605	$self->{deny_save} = 1;
		1606
		1607	$cf::PLAYER{$login} = $self;
		1608
		1609	$self
		1610	}
		1611
		1612	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1613
		1614	=cut
		1615
		1616	sub send_msg {
		1617	my $ns = shift->ns
		1618	or return;
		1619	$ns->send_msg (@_);
		1620	}
		1621
		1622	=item $pl->quit_character
		1623
		1624	Nukes the player without looking back. If logged in, the connection will
		1625	be destroyed. May block for a long time.
		1626
		1627	=cut
		1628
		1629	sub quit_character {
		1630	my ($pl) = @_;
		1631
		1632	my $name = $pl->ob->name;
		1633
		1634	$pl->{deny_save} = 1;
		1635	$pl->password ("*"); # this should lock out the player until we have nuked the dir
		1636
		1637	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1638	$pl->deactivate;
		1639	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1640	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1641	$pl->ns->destroy if $pl->ns;
		1642
		1643	my $path = playerdir $pl;
		1644	my $temp = "$path~$cf::RUNTIME~deleting~";
		1645	aio_rename $path, $temp;
		1646	delete $cf::PLAYER{$pl->ob->name};
		1647	$pl->destroy;
		1648
		1649	my $prefix = qr<^~\Q$name\E/>;
		1650
		1651	# nuke player maps
		1652	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1653
		1654	IO::AIO::aio_rmtree $temp;
		1655	}
		1656
		1657	=item $pl->kick
		1658
		1659	Kicks a player out of the game. This destroys the connection.
		1660
		1661	=cut
		1662
		1663	sub kick {
		1664	my ($pl, $kicker) = @_;
		1665
		1666	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1667	$pl->killer ("kicked");
		1668	$pl->ns->destroy;
		1669	}
		1670
		1671	=item cf::player::list_logins
		1672
		1673	Returns am arrayref of all valid playernames in the system, can take a
		1674	while and may block, so not sync_job-capable, ever.
		1675
		1676	=cut
		1677
		1678	sub list_logins {
		1679	my $dirs = aio_readdir $PLAYERDIR
		1680	or return [];
		1681
		1682	my @logins;
		1683
		1684	for my $login (@$dirs) {
		1685	my $path = path $login;
		1686
		1687	# a .pst is a dead give-away for a valid player
		1688	# if no pst file found, open and chekc for blocked users
		1689	if (aio_stat "$path.pst") {
		1690	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
		1691	aio_read $fh, 0, 512, my $buf, 0 or next;
		1692	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1693	}
		1694
		1695	utf8::decode $login;
		1696	push @logins, $login;
		1697	}
		1698
		1699	\@logins
		1700	}
		1701
		1702	=item $player->maps
		1703
		1704	=item cf::player::maps $login
		1705
		1706	Returns an arrayref of map paths that are private for this
		1707	player. May block.
		1708
		1709	=cut
		1710
		1711	sub maps($) {
		1712	my ($pl) = @_;
		1713
		1714	$pl = ref $pl ? $pl->ob->name : $pl;
		1715
		1716	my $files = aio_readdir playerdir $pl
		1717	or return;
		1718
		1719	my @paths;
		1720
		1721	for (@$files) {
		1722	utf8::decode $_;
		1723	next if /\.(?:pl|pst)$/;
		1724	next unless /^$PATH_SEP/o;
		1725
		1726	push @paths, cf::map::normalise "~$pl/$_";
		1727	}
		1728
		1729	\@paths
		1730	}
		1731
		1732	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1733
		1734	Expand deliantra pod fragments into protocol xml.
		1735
		1736	=item $player->ext_reply ($msgid, @msg)
		1737
		1738	Sends an ext reply to the player.
		1739
		1740	=cut
		1741
		1742	sub ext_reply($$@) {
		1743	my ($self, $id, @msg) = @_;
		1744
		1745	$self->ns->ext_reply ($id, @msg)
		1746	}
		1747
		1748	=item $player->ext_msg ($type, @msg)
		1749
		1750	Sends an ext event to the client.
		1751
		1752	=cut
		1753
		1754	sub ext_msg($$@) {
		1755	my ($self, $type, @msg) = @_;
		1756
		1757	$self->ns->ext_msg ($type, @msg);
		1758	}
		1759
		1760	=head3 cf::region
1106		1761
1107	=over 4	1762	=over 4
1108		1763
1109	=item cf::player::exists $login
1110
1111	Returns true when the given account exists.
1112
1113	=cut	1764	=cut
1114		1765
1115	sub cf::player::exists($) {	1766	package cf::region;
1116	cf::player::find $_[0]
1117	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
1118	}
1119		1767
1120	=item $player->ext_reply ($msgid, $msgtype, %msg)	1768	=item cf::region::find_by_path $path
1121		1769
1122	Sends an ext reply to the player.	1770	Tries to decuce the likely region for a map knowing only its path.
1123		1771
1124	=cut	1772	=cut
1125		1773
1126	sub cf::player::ext_reply($$$%) {	1774	sub find_by_path($) {
1127	my ($self, $id, %msg) = @_;	1775	my ($path) = @_;
1128		1776
1129	$msg{msgid} = $id;	1777	$path =~ s/^~[^\/]*//; # skip ~login
1130		1778
1131	$self->send ("ext " . to_json \%msg);	1779	my ($match, $specificity);
		1780
		1781	for my $region (list) {
		1782	if ($region->{match} && $path =~ $region->{match}) {
		1783	($match, $specificity) = ($region, $region->specificity)
		1784	if $region->specificity > $specificity;
		1785	}
		1786	}
		1787
		1788	$match
1132	}	1789	}
1133		1790
1134	=back	1791	=back
1135
1136		1792
1137	=head3 cf::map	1793	=head3 cf::map
1138		1794
1139	=over 4	1795	=over 4
1140		1796
…		…
1143	package cf::map;	1799	package cf::map;
1144		1800
1145	use Fcntl;	1801	use Fcntl;
1146	use Coro::AIO;	1802	use Coro::AIO;
1147		1803
		1804	use overload
		1805	'""' => \&as_string,
		1806	fallback => 1;
		1807
1148	our $MAX_RESET = 3600;	1808	our $MAX_RESET = 3600;
1149	our $DEFAULT_RESET = 3000;	1809	our $DEFAULT_RESET = 3000;
1150		1810
1151	sub generate_random_map {	1811	sub generate_random_map {
1152	my ($path, $rmp) = @_;	1812	my ($self, $rmp) = @_;
		1813
		1814	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1153		1815
1154	# mit "rum" bekleckern, nicht	1816	# mit "rum" bekleckern, nicht
1155	cf::map::_create_random_map	1817	$self->_create_random_map (
1156	$path,
1157	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1818	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1158	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1819	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1159	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1820	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1160	$rmp->{exit_on_final_map},	1821	$rmp->{exit_on_final_map},
1161	$rmp->{xsize}, $rmp->{ysize},	1822	$rmp->{xsize}, $rmp->{ysize},
1162	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1823	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1163	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1824	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1164	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1825	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1165	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1826	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1166	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1827	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1167	(cf::region::find $rmp->{region})	1828	(cf::region::find $rmp->{region}), $rmp->{custom}
		1829	)
1168	}	1830	}
1169		1831
1170	# and all this just because we cannot iterate over	1832	=item cf::map->register ($regex, $prio)
1171	# all maps in C++...
1172	sub change_all_map_light {
1173	my ($change) = @_;
1174		1833
1175	$_->change_map_light ($change)	1834	Register a handler for the map path matching the given regex at the
1176	for grep $_->outdoor, values %cf::MAP;	1835	givne priority (higher is better, built-in handlers have priority 0, the
1177	}	1836	default).
1178		1837
1179	sub try_load_header($) {	1838	=cut
		1839
		1840	sub register {
		1841	my (undef, $regex, $prio) = @_;
		1842	my $pkg = caller;
		1843
		1844	no strict;
		1845	push @{"$pkg\::ISA"}, __PACKAGE__;
		1846
		1847	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1848	}
		1849
		1850	# also paths starting with '/'
		1851	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
		1852
		1853	sub thawer_merge {
		1854	my ($self, $merge) = @_;
		1855
		1856	# we have to keep some variables in memory intact
		1857	local $self->{path};
		1858	local $self->{load_path};
		1859
		1860	$self->SUPER::thawer_merge ($merge);
		1861	}
		1862
		1863	sub normalise {
1180	my ($path) = @_;	1864	my ($path, $base) = @_;
		1865
		1866	$path = "$path"; # make sure its a string
		1867
		1868	$path =~ s/\.map$//;
		1869
		1870	# map plan:
		1871	#
		1872	# /! non-realised random map exit (special hack!)
		1873	# {... are special paths that are not being touched
		1874	# ?xxx/... are special absolute paths
		1875	# ?random/... random maps
		1876	# /... normal maps
		1877	# ~user/... per-player map of a specific user
		1878
		1879	$path =~ s/$PATH_SEP/\//go;
		1880
		1881	# treat it as relative path if it starts with
		1882	# something that looks reasonable
		1883	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1884	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1885
		1886	$base =~ s{[^/]+/?$}{};
		1887	$path = "$base/$path";
		1888	}
		1889
		1890	for ($path) {
		1891	redo if s{//}{/};
		1892	redo if s{/\.?/}{/};
		1893	redo if s{/[^/]+/\.\./}{/};
		1894	}
		1895
		1896	$path
		1897	}
		1898
		1899	sub new_from_path {
		1900	my (undef, $path, $base) = @_;
		1901
		1902	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1903
		1904	$path = normalise $path, $base;
		1905
		1906	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1907	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1908	my $self = bless cf::map::new, $pkg;
		1909	$self->{path} = $path; $self->path ($path);
		1910	$self->init; # pass $1 etc.
		1911	return $self;
		1912	}
		1913	}
		1914
		1915	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1916	()
		1917	}
		1918
		1919	sub init {
		1920	my ($self) = @_;
		1921
		1922	$self
		1923	}
		1924
		1925	sub as_string {
		1926	my ($self) = @_;
		1927
		1928	"$self->{path}"
		1929	}
		1930
		1931	# the displayed name, this is a one way mapping
		1932	sub visible_name {
		1933	&as_string
		1934	}
		1935
		1936	# the original (read-only) location
		1937	sub load_path {
		1938	my ($self) = @_;
		1939
		1940	"$MAPDIR/$self->{path}.map"
		1941	}
		1942
		1943	# the temporary/swap location
		1944	sub save_path {
		1945	my ($self) = @_;
		1946
		1947	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1948	"$TMPDIR/$path.map"
		1949	}
		1950
		1951	# the unique path, undef == no special unique path
		1952	sub uniq_path {
		1953	my ($self) = @_;
		1954
		1955	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1956	"$UNIQUEDIR/$path"
		1957	}
		1958
		1959	sub decay_objects {
		1960	my ($self) = @_;
		1961
		1962	return if $self->{deny_reset};
		1963
		1964	$self->do_decay_objects;
		1965	}
		1966
		1967	sub unlink_save {
		1968	my ($self) = @_;
		1969
		1970	utf8::encode (my $save = $self->save_path);
		1971	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1972	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1973	}
		1974
		1975	sub load_header_from($) {
		1976	my ($self, $path) = @_;
1181		1977
1182	utf8::encode $path;	1978	utf8::encode $path;
1183	aio_open $path, O_RDONLY, 0	1979	my $f = new_from_file cf::object::thawer $path
1184	or return;	1980	or return;
1185		1981
1186	my $map = cf::map::new	1982	$self->_load_header ($f)
1187	or return;	1983	or return;
1188		1984
1189	$map->load_header ($path)	1985	local $MAP_LOADING{$self->{path}} = $self;
		1986	$f->resolve_delayed_derefs;
		1987
		1988	$self->{load_path} = $path;
		1989
		1990	1
		1991	}
		1992
		1993	sub load_header_orig {
		1994	my ($self) = @_;
		1995
		1996	$self->load_header_from ($self->load_path)
		1997	}
		1998
		1999	sub load_header_temp {
		2000	my ($self) = @_;
		2001
		2002	$self->load_header_from ($self->save_path)
		2003	}
		2004
		2005	sub prepare_temp {
		2006	my ($self) = @_;
		2007
		2008	$self->last_access ((delete $self->{last_access})
		2009	|| $cf::RUNTIME); #d#
		2010	# safety
		2011	$self->{instantiate_time} = $cf::RUNTIME
		2012	if $self->{instantiate_time} > $cf::RUNTIME;
		2013	}
		2014
		2015	sub prepare_orig {
		2016	my ($self) = @_;
		2017
		2018	$self->{load_original} = 1;
		2019	$self->{instantiate_time} = $cf::RUNTIME;
		2020	$self->last_access ($cf::RUNTIME);
		2021	$self->instantiate;
		2022	}
		2023
		2024	sub load_header {
		2025	my ($self) = @_;
		2026
		2027	if ($self->load_header_temp) {
		2028	$self->prepare_temp;
		2029	} else {
		2030	$self->load_header_orig
1190	or return;	2031	or return;
		2032	$self->prepare_orig;
		2033	}
1191		2034
1192	$map->{load_path} = $path;	2035	$self->{deny_reset} = 1
		2036	if $self->no_reset;
1193		2037
1194	$map	2038	$self->default_region (cf::region::find_by_path $self->{path})
		2039	unless $self->default_region;
		2040
		2041	1
1195	}	2042	}
1196		2043
1197	sub find;	2044	sub find;
1198	sub find {	2045	sub find {
1199	my ($path, $origin) = @_;	2046	my ($path, $origin) = @_;
1200		2047
1201	#warn "find<$path,$origin>\n";#d#
1202
1203	$path = new cf::path $path, $origin && $origin->path;	2048	$path = normalise $path, $origin && $origin->path;
1204	my $key = $path->as_string;
1205		2049
1206	cf::lock_wait "map_find:$key";	2050	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1207
1208	$cf::MAP{$key} || do {
1209	my $guard = cf::lock_acquire "map_find:$key";	2051	my $guard2 = cf::lock_acquire "map_find:$path";
1210		2052
1211	# do it the slow way	2053	$cf::MAP{$path} || do {
1212	my $map = try_load_header $path->save_path;	2054	my $map = new_from_path cf::map $path
1213
1214	if ($map) {
1215	$map->last_access ((delete $map->{last_access})
1216	|| $cf::RUNTIME); #d#
1217	# safety
1218	$map->{instantiate_time} = $cf::RUNTIME
1219	if $map->{instantiate_time} > $cf::RUNTIME;
1220	} else {
1221	if (my $rmp = $path->random_map_params) {
1222	$map = generate_random_map $key, $rmp;
1223	} else {
1224	$map = try_load_header $path->load_path;
1225	}
1226
1227	$map or return;	2055	or return;
1228		2056
1229	$map->{load_original} = 1;
1230	$map->{instantiate_time} = $cf::RUNTIME;
1231	$map->last_access ($cf::RUNTIME);
1232	$map->instantiate;
1233
1234	# per-player maps become, after loading, normal maps
1235	$map->per_player (0) if $path->{user_rel};
1236	}
1237
1238	$map->path ($key);
1239	$map->{path} = $path;
1240	$map->{last_save} = $cf::RUNTIME;	2057	$map->{last_save} = $cf::RUNTIME;
1241		2058
1242	if ($map->should_reset) {	2059	$map->load_header
		2060	or return;
		2061
		2062	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2063	# doing this can freeze the server in a sync job, obviously
		2064	#$cf::WAIT_FOR_TICK->wait;
		2065	undef $guard2;
		2066	undef $guard1;
1243	$map->reset;	2067	$map->reset;
1244	undef $guard;
1245	$map = find $path	2068	return find $path;
1246	or return;
1247	}	2069	}
1248		2070
1249	$cf::MAP{$key} = $map	2071	$cf::MAP{$path} = $map
1250	}	2072	}
1251	}	2073	}
		2074
		2075	sub pre_load { }
		2076	#sub post_load { } # XS
1252		2077
1253	sub load {	2078	sub load {
1254	my ($self) = @_;	2079	my ($self) = @_;
1255		2080
		2081	local $self->{deny_reset} = 1; # loading can take a long time
		2082
1256	my $path = $self->{path};	2083	my $path = $self->{path};
		2084
		2085	{
1257	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2086	my $guard = cf::lock_acquire "map_data:$path";
1258		2087
		2088	return unless $self->valid;
1259	return if $self->in_memory != cf::MAP_SWAPPED;	2089	return unless $self->in_memory == cf::MAP_SWAPPED;
1260		2090
1261	$self->in_memory (cf::MAP_LOADING);	2091	$self->in_memory (cf::MAP_LOADING);
1262		2092
1263	$self->alloc;	2093	$self->alloc;
1264	$self->load_objects ($self->{load_path}, 1)	2094
		2095	$self->pre_load;
		2096	cf::cede_to_tick;
		2097
		2098	my $f = new_from_file cf::object::thawer $self->{load_path};
		2099	$f->skip_block;
		2100	$self->_load_objects ($f)
1265	or return;	2101	or return;
1266		2102
1267	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2103	$self->post_load_original
1268	if delete $self->{load_original};	2104	if delete $self->{load_original};
1269		2105
1270	if (my $uniq = $path->uniq_path) {	2106	if (my $uniq = $self->uniq_path) {
1271	utf8::encode $uniq;	2107	utf8::encode $uniq;
1272	if (aio_open $uniq, O_RDONLY, 0) {	2108	unless (aio_stat $uniq) {
		2109	if (my $f = new_from_file cf::object::thawer $uniq) {
1273	$self->clear_unique_items;	2110	$self->clear_unique_items;
1274	$self->load_objects ($uniq, 0);	2111	$self->_load_objects ($f);
		2112	$f->resolve_delayed_derefs;
		2113	}
1275	}	2114	}
1276	}	2115	}
1277		2116
		2117	$f->resolve_delayed_derefs;
		2118
		2119	cf::cede_to_tick;
1278	# now do the right thing for maps	2120	# now do the right thing for maps
1279	$self->link_multipart_objects;	2121	$self->link_multipart_objects;
1280
1281	if ($self->{path}->is_style_map) {
1282	$self->{deny_save} = 1;
1283	$self->{deny_reset} = 1;
1284	} else {
1285	$self->fix_auto_apply;
1286	$self->decay_objects;
1287	$self->update_buttons;
1288	$self->set_darkness_map;
1289	$self->difficulty ($self->estimate_difficulty)	2122	$self->difficulty ($self->estimate_difficulty)
1290	unless $self->difficulty;	2123	unless $self->difficulty;
		2124	cf::cede_to_tick;
		2125
		2126	unless ($self->{deny_activate}) {
		2127	$self->decay_objects;
		2128	$self->fix_auto_apply;
		2129	$self->update_buttons;
		2130	cf::cede_to_tick;
1291	$self->activate;	2131	$self->activate;
1292	}	2132	}
1293		2133
		2134	$self->{last_save} = $cf::RUNTIME;
		2135	$self->last_access ($cf::RUNTIME);
		2136
1294	$self->in_memory (cf::MAP_IN_MEMORY);	2137	$self->in_memory (cf::MAP_ACTIVE);
		2138	}
		2139
		2140	$self->post_load;
		2141	}
		2142
		2143	# customize the map for a given player, i.e.
		2144	# return the _real_ map. used by e.g. per-player
		2145	# maps to change the path to ~playername/mappath
		2146	sub customise_for {
		2147	my ($self, $ob) = @_;
		2148
		2149	return find "~" . $ob->name . "/" . $self->{path}
		2150	if $self->per_player;
		2151
		2152	# return find "?party/" . $ob->name . "/" . $self->{path}
		2153	# if $self->per_party;
		2154
		2155	$self
		2156	}
		2157
		2158	# find and load all maps in the 3x3 area around a map
		2159	sub load_neighbours {
		2160	my ($map) = @_;
		2161
		2162	my @neigh; # diagonal neighbours
		2163
		2164	for (0 .. 3) {
		2165	my $neigh = $map->tile_path ($_)
		2166	or next;
		2167	$neigh = find $neigh, $map
		2168	or next;
		2169	$neigh->load;
		2170
		2171	# now find the diagonal neighbours
		2172	push @neigh,
		2173	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		2174	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		2175	}
		2176
		2177	for (grep defined $_->[0], @neigh) {
		2178	my ($path, $origin) = @$_;
		2179	my $neigh = find $path, $origin
		2180	or next;
		2181	$neigh->load;
		2182	}
1295	}	2183	}
1296		2184
1297	sub find_sync {	2185	sub find_sync {
1298	my ($path, $origin) = @_;	2186	my ($path, $origin) = @_;
1299		2187
1300	cf::sync_job { cf::map::find $path, $origin }	2188	cf::sync_job { find $path, $origin }
1301	}	2189	}
1302		2190
1303	sub do_load_sync {	2191	sub do_load_sync {
1304	my ($map) = @_;	2192	my ($map) = @_;
1305		2193
		2194	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2195	if $Coro::current == $Coro::main;
		2196
1306	cf::sync_job { $map->load };	2197	cf::sync_job { $map->load };
		2198	}
		2199
		2200	our %MAP_PREFETCH;
		2201	our $MAP_PREFETCHER = undef;
		2202
		2203	sub find_async {
		2204	my ($path, $origin, $load) = @_;
		2205
		2206	$path = normalise $path, $origin && $origin->{path};
		2207
		2208	if (my $map = $cf::MAP{$path}) {
		2209	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2210	}
		2211
		2212	$MAP_PREFETCH{$path} |= $load;
		2213
		2214	$MAP_PREFETCHER ||= cf::async {
		2215	$Coro::current->{desc} = "map prefetcher";
		2216
		2217	while (%MAP_PREFETCH) {
		2218	while (my ($k, $v) = each %MAP_PREFETCH) {
		2219	if (my $map = find $k) {
		2220	$map->load if $v;
		2221	}
		2222
		2223	delete $MAP_PREFETCH{$k};
		2224	}
		2225	}
		2226	undef $MAP_PREFETCHER;
		2227	};
		2228	$MAP_PREFETCHER->prio (6);
		2229
		2230	()
		2231	}
		2232
		2233	# common code, used by both ->save and ->swapout
		2234	sub _save {
		2235	my ($self) = @_;
		2236
		2237	$self->{last_save} = $cf::RUNTIME;
		2238
		2239	return unless $self->dirty;
		2240
		2241	my $save = $self->save_path; utf8::encode $save;
		2242	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2243
		2244	$self->{load_path} = $save;
		2245
		2246	return if $self->{deny_save};
		2247
		2248	local $self->{last_access} = $self->last_access;#d#
		2249
		2250	cf::async {
		2251	$Coro::current->{desc} = "map player save";
		2252	$_->contr->save for $self->players;
		2253	};
		2254
		2255	cf::get_slot 0.02;
		2256
		2257	if ($uniq) {
		2258	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
		2259	$self->_save_objects ($uniq, cf::IO_UNIQUES);
		2260	} else {
		2261	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
		2262	}
1307	}	2263	}
1308		2264
1309	sub save {	2265	sub save {
1310	my ($self) = @_;	2266	my ($self) = @_;
1311		2267
1312	$self->{last_save} = $cf::RUNTIME;	2268	my $lock = cf::lock_acquire "map_data:$self->{path}";
1313		2269
1314	return unless $self->dirty;	2270	$self->_save;
1315
1316	my $save = $self->{path}->save_path; utf8::encode $save;
1317	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1318
1319	$self->{load_path} = $save;
1320
1321	return if $self->{deny_save};
1322
1323	local $self->{last_access} = $self->last_access;#d#
1324
1325	if ($uniq) {
1326	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1327	$self->save_objects ($uniq, cf::IO_UNIQUES);
1328	} else {
1329	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1330	}
1331	}	2271	}
1332		2272
1333	sub swap_out {	2273	sub swap_out {
1334	my ($self) = @_;	2274	my ($self) = @_;
1335		2275
1336	# save first because save cedes	2276	my $lock = cf::lock_acquire "map_data:$self->{path}";
1337	$self->save;
1338		2277
		2278	return if $self->in_memory != cf::MAP_ACTIVE;
		2279	return if $self->{deny_save};
1339	return if $self->players;	2280	return if $self->players;
1340	return if $self->in_memory != cf::MAP_IN_MEMORY;
1341	return if $self->{deny_save};
1342		2281
		2282	# first deactivate the map and "unlink" it from the core
		2283	$self->deactivate;
		2284	$_->clear_links_to ($self) for values %cf::MAP;
		2285	$self->in_memory (cf::MAP_SWAPPED);
		2286
		2287	# then atomically save
		2288	$self->_save;
		2289
		2290	# then free the map
1343	$self->clear;	2291	$self->clear;
1344	$self->in_memory (cf::MAP_SWAPPED);
1345	}	2292	}
1346		2293
1347	sub reset_at {	2294	sub reset_at {
1348	my ($self) = @_;	2295	my ($self) = @_;
1349		2296
1350	# TODO: safety, remove and allow resettable per-player maps	2297	# TODO: safety, remove and allow resettable per-player maps
1351	return 1e99 if $self->{path}{user_rel};
1352	return 1e99 if $self->{deny_reset};	2298	return 1e99 if $self->{deny_reset};
1353		2299
1354	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2300	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1355	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2301	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1356		2302
…		…
1361	my ($self) = @_;	2307	my ($self) = @_;
1362		2308
1363	$self->reset_at <= $cf::RUNTIME	2309	$self->reset_at <= $cf::RUNTIME
1364	}	2310	}
1365		2311
1366	sub unlink_save {
1367	my ($self) = @_;
1368
1369	utf8::encode (my $save = $self->{path}->save_path);
1370	aioreq_pri 3; IO::AIO::aio_unlink $save;
1371	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1372	}
1373
1374	sub rename {
1375	my ($self, $new_path) = @_;
1376
1377	$self->unlink_save;
1378
1379	delete $cf::MAP{$self->path};
1380	$self->{path} = new cf::path $new_path;
1381	$self->path ($self->{path}->as_string);
1382	$cf::MAP{$self->path} = $self;
1383
1384	$self->save;
1385	}
1386
1387	sub reset {	2312	sub reset {
1388	my ($self) = @_;	2313	my ($self) = @_;
1389		2314
		2315	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2316
1390	return if $self->players;	2317	return if $self->players;
1391	return if $self->{path}{user_rel};#d#
1392		2318
1393	warn "resetting map ", $self->path;#d#	2319	warn "resetting map ", $self->path, "\n";
		2320
		2321	$self->in_memory (cf::MAP_SWAPPED);
		2322
		2323	# need to save uniques path
		2324	unless ($self->{deny_save}) {
		2325	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2326
		2327	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2328	if $uniq;
		2329	}
1394		2330
1395	delete $cf::MAP{$self->path};	2331	delete $cf::MAP{$self->path};
1396		2332
		2333	$self->deactivate;
1397	$_->clear_links_to ($self) for values %cf::MAP;	2334	$_->clear_links_to ($self) for values %cf::MAP;
		2335	$self->clear;
1398		2336
1399	$self->unlink_save;	2337	$self->unlink_save;
1400	$self->destroy;	2338	$self->destroy;
1401	}	2339	}
1402		2340
1403	my $nuke_counter = "aaaa";	2341	my $nuke_counter = "aaaa";
1404		2342
1405	sub nuke {	2343	sub nuke {
1406	my ($self) = @_;	2344	my ($self) = @_;
1407		2345
		2346	{
		2347	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2348
		2349	delete $cf::MAP{$self->path};
		2350
		2351	$self->unlink_save;
		2352
		2353	bless $self, "cf::map::wrap";
		2354	delete $self->{deny_reset};
1408	$self->{deny_save} = 1;	2355	$self->{deny_save} = 1;
1409	$self->reset_timeout (1);	2356	$self->reset_timeout (1);
1410	$self->rename ("{nuke}/" . ($nuke_counter++));	2357	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2358
		2359	$cf::MAP{$self->path} = $self;
		2360	}
		2361
1411	$self->reset; # polite request, might not happen	2362	$self->reset; # polite request, might not happen
1412	}	2363	}
1413		2364
1414	sub customise_for {	2365	=item $maps = cf::map::tmp_maps
1415	my ($map, $ob) = @_;
1416		2366
1417	if ($map->per_player) {	2367	Returns an arrayref with all map paths of currently instantiated and saved
1418	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2368	maps. May block.
		2369
		2370	=cut
		2371
		2372	sub tmp_maps() {
1419	}	2373	[
1420		2374	map {
1421	$map	2375	utf8::decode $_;
		2376	/\.map$/
		2377	? normalise $_
		2378	: ()
		2379	} @{ aio_readdir $TMPDIR or [] }
		2380	]
1422	}	2381	}
1423		2382
1424	sub emergency_save {	2383	=item $maps = cf::map::random_maps
1425	my $freeze_guard = cf::freeze_mainloop;
1426		2384
1427	warn "enter emergency map save\n";	2385	Returns an arrayref with all map paths of currently instantiated and saved
		2386	random maps. May block.
1428		2387
1429	cf::sync_job {	2388	=cut
1430	warn "begin emergency map save\n";	2389
1431	$_->save for values %cf::MAP;	2390	sub random_maps() {
		2391	[
		2392	map {
		2393	utf8::decode $_;
		2394	/\.map$/
		2395	? normalise "?random/$_"
		2396	: ()
		2397	} @{ aio_readdir $RANDOMDIR or [] }
		2398	]
		2399	}
		2400
		2401	=item cf::map::unique_maps
		2402
		2403	Returns an arrayref of paths of all shared maps that have
		2404	instantiated unique items. May block.
		2405
		2406	=cut
		2407
		2408	sub unique_maps() {
		2409	[
		2410	map {
		2411	utf8::decode $_;
		2412	s/\.map$//; # TODO future compatibility hack
		2413	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2414	? ()
		2415	: normalise $_
		2416	} @{ aio_readdir $UNIQUEDIR or [] }
		2417	]
		2418	}
		2419
		2420	=item cf::map::static_maps
		2421
		2422	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2423	file in the shared directory excluding F</styles> and F</editor>). May
		2424	block.
		2425
		2426	=cut
		2427
		2428	sub static_maps() {
		2429	my @dirs = "";
		2430	my @maps;
		2431
		2432	while (@dirs) {
		2433	my $dir = shift @dirs;
		2434
		2435	next if $dir eq "/styles" || $dir eq "/editor";
		2436
		2437	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2438	or return;
		2439
		2440	for (@$files) {
		2441	s/\.map$// or next;
		2442	utf8::decode $_;
		2443	push @maps, "$dir/$_";
		2444	}
		2445
		2446	push @dirs, map "$dir/$_", @$dirs;
1432	};	2447	}
1433		2448
1434	warn "end emergency map save\n";	2449	\@maps
		2450	}
		2451
		2452	=back
		2453
		2454	=head3 cf::object
		2455
		2456	=cut
		2457
		2458	package cf::object;
		2459
		2460	=over 4
		2461
		2462	=item $ob->inv_recursive
		2463
		2464	Returns the inventory of the object I<and> their inventories, recursively,
		2465	but I<not> the object itself.
		2466
		2467	=cut
		2468
		2469	sub inv_recursive_;
		2470	sub inv_recursive_ {
		2471	map { $_, inv_recursive_ $_->inv } @_
		2472	}
		2473
		2474	sub inv_recursive {
		2475	inv_recursive_ inv $_[0]
		2476	}
		2477
		2478	=item $ref = $ob->ref
		2479
		2480	Creates and returns a persistent reference to an object that can be stored as a string.
		2481
		2482	=item $ob = cf::object::deref ($refstring)
		2483
		2484	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2485	even if the object actually exists. May block.
		2486
		2487	=cut
		2488
		2489	sub deref {
		2490	my ($ref) = @_;
		2491
		2492	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2493	my ($uuid, $name) = ($1, $2);
		2494	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2495	or return;
		2496	$pl->ob->uuid eq $uuid
		2497	or return;
		2498
		2499	$pl->ob
		2500	} else {
		2501	warn "$ref: cannot resolve object reference\n";
		2502	undef
		2503	}
1435	}	2504	}
1436		2505
1437	package cf;	2506	package cf;
1438		2507
1439	=back	2508	=back
1440
1441		2509
1442	=head3 cf::object::player	2510	=head3 cf::object::player
1443		2511
1444	=over 4	2512	=over 4
1445		2513
…		…
1448	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2516	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1449	can be C<undef>. Does the right thing when the player is currently in a	2517	can be C<undef>. Does the right thing when the player is currently in a
1450	dialogue with the given NPC character.	2518	dialogue with the given NPC character.
1451		2519
1452	=cut	2520	=cut
		2521
		2522	our $SAY_CHANNEL = {
		2523	id => "say",
		2524	title => "Map",
		2525	reply => "say ",
		2526	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2527	};
		2528
		2529	our $CHAT_CHANNEL = {
		2530	id => "chat",
		2531	title => "Chat",
		2532	reply => "chat ",
		2533	tooltip => "Player chat and shouts, global to the server.",
		2534	};
1453		2535
1454	# rough implementation of a future "reply" method that works	2536	# rough implementation of a future "reply" method that works
1455	# with dialog boxes.	2537	# with dialog boxes.
1456	#TODO: the first argument must go, split into a $npc->reply_to ( method	2538	#TODO: the first argument must go, split into a $npc->reply_to ( method
1457	sub cf::object::player::reply($$$;$) {	2539	sub cf::object::player::reply($$$;$) {
…		…
1459		2541
1460	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2542	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1461		2543
1462	if ($self->{record_replies}) {	2544	if ($self->{record_replies}) {
1463	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2545	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2546
1464	} else {	2547	} else {
		2548	my $pl = $self->contr;
		2549
		2550	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2551	my $dialog = $pl->{npc_dialog};
		2552	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2553
		2554	} else {
1465	$msg = $npc->name . " says: $msg" if $npc;	2555	$msg = $npc->name . " says: $msg" if $npc;
1466	$self->message ($msg, $flags);	2556	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2557	}
1467	}	2558	}
		2559	}
		2560
		2561	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2562
		2563	=cut
		2564
		2565	sub cf::object::send_msg {
		2566	my $pl = shift->contr
		2567	or return;
		2568	$pl->send_msg (@_);
1468	}	2569	}
1469		2570
1470	=item $player_object->may ("access")	2571	=item $player_object->may ("access")
1471		2572
1472	Returns wether the given player is authorized to access resource "access"	2573	Returns wether the given player is authorized to access resource "access"
…		…
1485		2586
1486	=item $player_object->enter_link	2587	=item $player_object->enter_link
1487		2588
1488	Freezes the player and moves him/her to a special map (C<{link}>).	2589	Freezes the player and moves him/her to a special map (C<{link}>).
1489		2590
1490	The player should be reaosnably safe there for short amounts of time. You	2591	The player should be reasonably safe there for short amounts of time (e.g.
1491	I<MUST> call C<leave_link> as soon as possible, though.	2592	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2593	though, as the player cannot control the character while it is on the link
		2594	map.
		2595
		2596	Will never block.
1492		2597
1493	=item $player_object->leave_link ($map, $x, $y)	2598	=item $player_object->leave_link ($map, $x, $y)
1494		2599
1495	Moves the player out of the specila link map onto the given map. If the	2600	Moves the player out of the special C<{link}> map onto the specified
1496	map is not valid (or omitted), the player will be moved back to the	2601	map. If the map is not valid (or omitted), the player will be moved back
1497	location he/she was before the call to C<enter_link>, or, if that fails,	2602	to the location he/she was before the call to C<enter_link>, or, if that
1498	to the emergency map position.	2603	fails, to the emergency map position.
1499		2604
1500	Might block.	2605	Might block.
1501		2606
1502	=cut	2607	=cut
		2608
		2609	sub link_map {
		2610	unless ($LINK_MAP) {
		2611	$LINK_MAP = cf::map::find "{link}"
		2612	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2613	$LINK_MAP->load;
		2614	}
		2615
		2616	$LINK_MAP
		2617	}
1503		2618
1504	sub cf::object::player::enter_link {	2619	sub cf::object::player::enter_link {
1505	my ($self) = @_;	2620	my ($self) = @_;
1506		2621
1507	$self->deactivate_recursive;	2622	$self->deactivate_recursive;
1508		2623
1509	return if $self->map == $LINK_MAP;	2624	++$self->{_link_recursion};
		2625
		2626	return if UNIVERSAL::isa $self->map, "ext::map_link";
1510		2627
1511	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2628	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1512	if $self->map;	2629	if $self->map && $self->map->{path} ne "{link}";
1513		2630
1514	$self->enter_map ($LINK_MAP, 20, 20);	2631	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1515	}	2632	}
1516		2633
1517	sub cf::object::player::leave_link {	2634	sub cf::object::player::leave_link {
1518	my ($self, $map, $x, $y) = @_;	2635	my ($self, $map, $x, $y) = @_;
		2636
		2637	return unless $self->contr->active;
1519		2638
1520	my $link_pos = delete $self->{_link_pos};	2639	my $link_pos = delete $self->{_link_pos};
1521		2640
1522	unless ($map) {	2641	unless ($map) {
1523	# restore original map position	2642	# restore original map position
…		…
1534	($x, $y) = (-1, -1)	2653	($x, $y) = (-1, -1)
1535	unless (defined $x) && (defined $y);	2654	unless (defined $x) && (defined $y);
1536		2655
1537	# use -1 or undef as default coordinates, not 0, 0	2656	# use -1 or undef as default coordinates, not 0, 0
1538	($x, $y) = ($map->enter_x, $map->enter_y)	2657	($x, $y) = ($map->enter_x, $map->enter_y)
1539	if $x <=0 && $y <= 0;	2658	if $x <= 0 && $y <= 0;
1540		2659
1541	$map->load;	2660	$map->load;
		2661	$map->load_neighbours;
1542		2662
		2663	return unless $self->contr->active;
		2664
		2665	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2666	if ($self->enter_map ($map, $x, $y)) {
		2667	# entering was successful
		2668	delete $self->{_link_recursion};
		2669	# only activate afterwards, to support waiting in hooks
1543	$self->activate_recursive;	2670	$self->activate_recursive;
1544	$self->enter_map ($map, $x, $y);
1545	}
1546
1547	cf::player->attach (
1548	on_logout => sub {
1549	my ($pl) = @_;
1550
1551	# abort map switching before logout
1552	if ($pl->ob->{_link_pos}) {
1553	cf::sync_job {
1554	$pl->ob->leave_link
1555	};
1556	}
1557	},	2671	}
1558	on_login => sub {
1559	my ($pl) = @_;
1560		2672
1561	# try to abort aborted map switching on player login :)	2673	}
1562	# should happen only on crashes
1563	if ($pl->ob->{_link_pos}) {
1564	$pl->ob->enter_link;
1565	cf::async {
1566	# we need this sleep as the login has a concurrent enter_exit running
1567	# and this sleep increases chances of the player not ending up in scorn
1568	Coro::Timer::sleep 1;
1569	$pl->ob->leave_link;
1570	};
1571	}
1572	},
1573	);
1574		2674
1575	=item $player_object->goto_map ($path, $x, $y)	2675	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1576		2676
1577	=cut	2677	Moves the player to the given map-path and coordinates by first freezing
		2678	her, loading and preparing them map, calling the provided $check callback
		2679	that has to return the map if sucecssful, and then unfreezes the player on
		2680	the new (success) or old (failed) map position. In either case, $done will
		2681	be called at the end of this process.
1578		2682
		2683	Note that $check will be called with a potentially non-loaded map, so if
		2684	it needs a loaded map it has to call C<< ->load >>.
		2685
		2686	=cut
		2687
		2688	our $GOTOGEN;
		2689
1579	sub cf::object::player::goto_map {	2690	sub cf::object::player::goto {
1580	my ($self, $path, $x, $y) = @_;	2691	my ($self, $path, $x, $y, $check, $done) = @_;
		2692
		2693	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2694	warn "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2695	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2696	($path, $x, $y) = @$EMERGENCY_POSITION;
		2697	}
		2698
		2699	# do generation counting so two concurrent goto's will be executed in-order
		2700	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1581		2701
1582	$self->enter_link;	2702	$self->enter_link;
1583		2703
1584	(cf::async {	2704	(async {
1585	$path = new cf::path $path;	2705	$Coro::current->{desc} = "player::goto $path $x $y";
1586		2706
1587	my $map = cf::map::find $path->as_string;	2707	# *tag paths override both path and x|y
		2708	if ($path =~ /^\*(.*)$/) {
		2709	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2710	my $ob = $obs[rand @obs];
		2711
		2712	# see if we actually can go there
		2713	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2714	$ob = $obs[rand @obs];
		2715	} else {
		2716	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2717	}
		2718	# else put us there anyways for now #d#
		2719
		2720	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2721	} else {
		2722	($path, $x, $y) = (undef, undef, undef);
		2723	}
		2724	}
		2725
		2726	my $map = eval {
		2727	my $map = defined $path ? cf::map::find $path : undef;
		2728
		2729	if ($map) {
1588	$map = $map->customise_for ($self) if $map;	2730	$map = $map->customise_for ($self);
1589		2731	$map = $check->($map, $x, $y, $self) if $check && $map;
1590	# warn "entering ", $map->path, " at ($x, $y)\n"	2732	} else {
1591	# if $map;
1592
1593	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2733	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2734	}
1594		2735
		2736	$map
		2737	};
		2738
		2739	if ($@) {
		2740	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2741	LOG llevError | logBacktrace, Carp::longmess $@;
		2742	}
		2743
		2744	if ($gen == $self->{_goto_generation}) {
		2745	delete $self->{_goto_generation};
1595	$self->leave_link ($map, $x, $y);	2746	$self->leave_link ($map, $x, $y);
		2747	}
		2748
		2749	$done->($self) if $done;
1596	})->prio (1);	2750	})->prio (1);
1597	}	2751	}
1598		2752
1599	=item $player_object->enter_exit ($exit_object)	2753	=item $player_object->enter_exit ($exit_object)
1600		2754
…		…
1602		2756
1603	sub parse_random_map_params {	2757	sub parse_random_map_params {
1604	my ($spec) = @_;	2758	my ($spec) = @_;
1605		2759
1606	my $rmp = { # defaults	2760	my $rmp = { # defaults
1607	xsize => 10,	2761	xsize => (cf::rndm 15, 40),
1608	ysize => 10,	2762	ysize => (cf::rndm 15, 40),
		2763	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2764	#layout => string,
1609	};	2765	};
1610		2766
1611	for (split /\n/, $spec) {	2767	for (split /\n/, $spec) {
1612	my ($k, $v) = split /\s+/, $_, 2;	2768	my ($k, $v) = split /\s+/, $_, 2;
1613		2769
…		…
1625	# that depends on the exit object	2781	# that depends on the exit object
1626		2782
1627	my $rmp = parse_random_map_params $exit->msg;	2783	my $rmp = parse_random_map_params $exit->msg;
1628		2784
1629	if ($exit->map) {	2785	if ($exit->map) {
1630	$rmp->{region} = $exit->map->region_name;	2786	$rmp->{region} = $exit->region->name;
1631	$rmp->{origin_map} = $exit->map->path;	2787	$rmp->{origin_map} = $exit->map->path;
1632	$rmp->{origin_x} = $exit->x;	2788	$rmp->{origin_x} = $exit->x;
1633	$rmp->{origin_y} = $exit->y;	2789	$rmp->{origin_y} = $exit->y;
		2790
		2791	$exit->map->touch;
1634	}	2792	}
1635		2793
1636	$rmp->{random_seed} ||= $exit->random_seed;	2794	$rmp->{random_seed} ||= $exit->random_seed;
1637		2795
1638	my $data = cf::to_json $rmp;	2796	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1639	my $md5 = Digest::MD5::md5_hex $data;	2797	my $md5 = Digest::MD5::md5_hex $data;
		2798	my $meta = "$RANDOMDIR/$md5.meta";
1640		2799
1641	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2800	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1642	aio_write $fh, 0, (length $data), $data, 0;	2801	aio_write $fh, 0, (length $data), $data, 0;
		2802	undef $fh;
		2803	aio_rename "$meta~", $meta;
1643		2804
		2805	my $slaying = "?random/$md5";
		2806
		2807	if ($exit->valid) {
1644	$exit->slaying ("?random/$md5");	2808	$exit->slaying ("?random/$md5");
1645	$exit->msg (undef);	2809	$exit->msg (undef);
		2810	}
1646	}	2811	}
1647	}	2812	}
1648		2813
1649	sub cf::object::player::enter_exit {	2814	sub cf::object::player::enter_exit {
1650	my ($self, $exit) = @_;	2815	my ($self, $exit) = @_;
1651		2816
1652	return unless $self->type == cf::PLAYER;	2817	return unless $self->type == cf::PLAYER;
1653		2818
1654	$self->enter_link;	2819	$self->enter_link;
1655		2820
1656	(cf::async {	2821	(async {
1657	$self->deactivate_recursive; # just to be sure	2822	$Coro::current->{desc} = "enter_exit";
		2823
1658	unless (eval {	2824	unless (eval {
		2825	$self->deactivate_recursive; # just to be sure
		2826
		2827	# random map handling
		2828	{
		2829	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2830
1659	prepare_random_map $exit	2831	prepare_random_map $exit
1660	if $exit->slaying eq "/!";	2832	if $exit->slaying eq "/!";
		2833	}
1661		2834
1662	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2835	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1663	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	2836	my $x = $exit->stats->hp;
		2837	my $y = $exit->stats->sp;
1664		2838
		2839	$self->goto ($map, $x, $y);
		2840
		2841	# if exit is damned, update players death & WoR home-position
		2842	$self->contr->savebed ($map, $x, $y)
		2843	if $exit->flag (cf::FLAG_DAMNED);
		2844
1665	1;	2845	1
1666	}) {	2846	}) {
1667	$self->message ("Something went wrong deep within the crossfire server. "	2847	$self->message ("Something went wrong deep within the deliantra server. "
1668	. "I'll try to bring you back to the map you were before. "	2848	. "I'll try to bring you back to the map you were before. "
1669	. "Please report this to the dungeon master",	2849	. "Please report this to the dungeon master!",
1670	cf::NDI_UNIQUE | cf::NDI_RED);	2850	cf::NDI_UNIQUE | cf::NDI_RED);
1671		2851
1672	warn "ERROR in enter_exit: $@";	2852	warn "ERROR in enter_exit: $@";
1673	$self->leave_link;	2853	$self->leave_link;
1674	}	2854	}
1675	})->prio (1);	2855	})->prio (1);
…		…
1688		2868
1689	sub cf::client::send_drawinfo {	2869	sub cf::client::send_drawinfo {
1690	my ($self, $text, $flags) = @_;	2870	my ($self, $text, $flags) = @_;
1691		2871
1692	utf8::encode $text;	2872	utf8::encode $text;
1693	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2873	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1694	}	2874	}
1695		2875
		2876	=item $client->send_big_packet ($pkt)
		2877
		2878	Like C<send_packet>, but tries to compress large packets, and fragments
		2879	them as required.
		2880
		2881	=cut
		2882
		2883	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2884
		2885	sub cf::client::send_big_packet {
		2886	my ($self, $pkt) = @_;
		2887
		2888	# try lzf for large packets
		2889	$pkt = "lzf " . Compress::LZF::compress $pkt
		2890	if 1024 <= length $pkt and $self->{can_lzf};
		2891
		2892	# split very large packets
		2893	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2894	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2895	$pkt = "frag";
		2896	}
		2897
		2898	$self->send_packet ($pkt);
		2899	}
		2900
		2901	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2902
		2903	Send a drawinfo or msg packet to the client, formatting the msg for the
		2904	client if neccessary. C<$type> should be a string identifying the type of
		2905	the message, with C<log> being the default. If C<$color> is negative, suppress
		2906	the message unless the client supports the msg packet.
		2907
		2908	=cut
		2909
		2910	# non-persistent channels (usually the info channel)
		2911	our %CHANNEL = (
		2912	"c/motd" => {
		2913	id => "infobox",
		2914	title => "MOTD",
		2915	reply => undef,
		2916	tooltip => "The message of the day",
		2917	},
		2918	"c/identify" => {
		2919	id => "infobox",
		2920	title => "Identify",
		2921	reply => undef,
		2922	tooltip => "Items recently identified",
		2923	},
		2924	"c/examine" => {
		2925	id => "infobox",
		2926	title => "Examine",
		2927	reply => undef,
		2928	tooltip => "Signs and other items you examined",
		2929	},
		2930	"c/shopinfo" => {
		2931	id => "infobox",
		2932	title => "Shop Info",
		2933	reply => undef,
		2934	tooltip => "What your bargaining skill tells you about the shop",
		2935	},
		2936	"c/book" => {
		2937	id => "infobox",
		2938	title => "Book",
		2939	reply => undef,
		2940	tooltip => "The contents of a note or book",
		2941	},
		2942	"c/lookat" => {
		2943	id => "infobox",
		2944	title => "Look",
		2945	reply => undef,
		2946	tooltip => "What you saw there",
		2947	},
		2948	"c/who" => {
		2949	id => "infobox",
		2950	title => "Players",
		2951	reply => undef,
		2952	tooltip => "Shows players who are currently online",
		2953	},
		2954	"c/body" => {
		2955	id => "infobox",
		2956	title => "Body Parts",
		2957	reply => undef,
		2958	tooltip => "Shows which body parts you posess and are available",
		2959	},
		2960	"c/statistics" => {
		2961	id => "infobox",
		2962	title => "Statistics",
		2963	reply => undef,
		2964	tooltip => "Shows your primary statistics",
		2965	},
		2966	"c/skills" => {
		2967	id => "infobox",
		2968	title => "Skills",
		2969	reply => undef,
		2970	tooltip => "Shows your experience per skill and item power",
		2971	},
		2972	"c/shopitems" => {
		2973	id => "infobox",
		2974	title => "Shop Items",
		2975	reply => undef,
		2976	tooltip => "Shows the items currently for sale in this shop",
		2977	},
		2978	"c/resistances" => {
		2979	id => "infobox",
		2980	title => "Resistances",
		2981	reply => undef,
		2982	tooltip => "Shows your resistances",
		2983	},
		2984	"c/pets" => {
		2985	id => "infobox",
		2986	title => "Pets",
		2987	reply => undef,
		2988	tooltip => "Shows information abotu your pets/a specific pet",
		2989	},
		2990	"c/perceiveself" => {
		2991	id => "infobox",
		2992	title => "Perceive Self",
		2993	reply => undef,
		2994	tooltip => "You gained detailed knowledge about yourself",
		2995	},
		2996	"c/uptime" => {
		2997	id => "infobox",
		2998	title => "Uptime",
		2999	reply => undef,
		3000	tooltip => "How long the server has been running since last restart",
		3001	},
		3002	"c/mapinfo" => {
		3003	id => "infobox",
		3004	title => "Map Info",
		3005	reply => undef,
		3006	tooltip => "Information related to the maps",
		3007	},
		3008	"c/party" => {
		3009	id => "party",
		3010	title => "Party",
		3011	reply => "gsay ",
		3012	tooltip => "Messages and chat related to your party",
		3013	},
		3014	"c/death" => {
		3015	id => "death",
		3016	title => "Death",
		3017	reply => undef,
		3018	tooltip => "Reason for and more info about your most recent death",
		3019	},
		3020	"c/say" => $SAY_CHANNEL,
		3021	"c/chat" => $CHAT_CHANNEL,
		3022	);
		3023
		3024	sub cf::client::send_msg {
		3025	my ($self, $channel, $msg, $color, @extra) = @_;
		3026
		3027	$msg = $self->pl->expand_cfpod ($msg)
		3028	unless $color & cf::NDI_VERBATIM;
		3029
		3030	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3031
		3032	# check predefined channels, for the benefit of C
		3033	if ($CHANNEL{$channel}) {
		3034	$channel = $CHANNEL{$channel};
		3035
		3036	$self->ext_msg (channel_info => $channel);
		3037	$channel = $channel->{id};
		3038
		3039	} elsif (ref $channel) {
		3040	# send meta info to client, if not yet sent
		3041	unless (exists $self->{channel}{$channel->{id}}) {
		3042	$self->{channel}{$channel->{id}} = $channel;
		3043	$self->ext_msg (channel_info => $channel);
		3044	}
		3045
		3046	$channel = $channel->{id};
		3047	}
		3048
		3049	return unless @extra || length $msg;
		3050
		3051	# default colour, mask it out
		3052	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3053	if $color & cf::NDI_DEF;
		3054
		3055	my $pkt = "msg "
		3056	. $self->{json_coder}->encode (
		3057	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3058	);
		3059
		3060	$self->send_big_packet ($pkt);
		3061	}
		3062
		3063	=item $client->ext_msg ($type, @msg)
		3064
		3065	Sends an ext event to the client.
		3066
		3067	=cut
		3068
		3069	sub cf::client::ext_msg($$@) {
		3070	my ($self, $type, @msg) = @_;
		3071
		3072	if ($self->extcmd == 2) {
		3073	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3074	} elsif ($self->extcmd == 1) { # TODO: remove
		3075	push @msg, msgtype => "event_$type";
		3076	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3077	}
		3078	}
		3079
		3080	=item $client->ext_reply ($msgid, @msg)
		3081
		3082	Sends an ext reply to the client.
		3083
		3084	=cut
		3085
		3086	sub cf::client::ext_reply($$@) {
		3087	my ($self, $id, @msg) = @_;
		3088
		3089	if ($self->extcmd == 2) {
		3090	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3091	} elsif ($self->extcmd == 1) {
		3092	#TODO: version 1, remove
		3093	unshift @msg, msgtype => "reply", msgid => $id;
		3094	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3095	}
		3096	}
1696		3097
1697	=item $success = $client->query ($flags, "text", \&cb)	3098	=item $success = $client->query ($flags, "text", \&cb)
1698		3099
1699	Queues a query to the client, calling the given callback with	3100	Queues a query to the client, calling the given callback with
1700	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3101	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1701	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3102	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1702		3103
1703	Queries can fail, so check the return code. Or don't, as queries will become	3104	Queries can fail, so check the return code. Or don't, as queries will
1704	reliable at some point in the future.	3105	become reliable at some point in the future.
1705		3106
1706	=cut	3107	=cut
1707		3108
1708	sub cf::client::query {	3109	sub cf::client::query {
1709	my ($self, $flags, $text, $cb) = @_;	3110	my ($self, $flags, $text, $cb) = @_;
…		…
1717	utf8::encode $text;	3118	utf8::encode $text;
1718	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3119	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1719		3120
1720	$self->send_packet ($self->{query_queue}[0][0])	3121	$self->send_packet ($self->{query_queue}[0][0])
1721	if @{ $self->{query_queue} } == 1;	3122	if @{ $self->{query_queue} } == 1;
		3123
		3124	1
1722	}	3125	}
1723		3126
1724	cf::client->attach (	3127	cf::client->attach (
		3128	on_connect => sub {
		3129	my ($ns) = @_;
		3130
		3131	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3132	},
1725	on_reply => sub {	3133	on_reply => sub {
1726	my ($ns, $msg) = @_;	3134	my ($ns, $msg) = @_;
1727		3135
1728	# this weird shuffling is so that direct followup queries	3136	# this weird shuffling is so that direct followup queries
1729	# get handled first	3137	# get handled first
1730	my $queue = delete $ns->{query_queue}	3138	my $queue = delete $ns->{query_queue}
1731	or return; # be conservative, not sure how that can happen, but we saw a crash here	3139	or return; # be conservative, not sure how that can happen, but we saw a crash here
1732		3140
1733	(shift @$queue)->[1]->($msg);	3141	(shift @$queue)->[1]->($msg);
		3142	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1734		3143
1735	push @{ $ns->{query_queue} }, @$queue;	3144	push @{ $ns->{query_queue} }, @$queue;
1736		3145
1737	if (@{ $ns->{query_queue} } == @$queue) {	3146	if (@{ $ns->{query_queue} } == @$queue) {
1738	if (@$queue) {	3147	if (@$queue) {
…		…
1740	} else {	3149	} else {
1741	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3150	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1742	}	3151	}
1743	}	3152	}
1744	},	3153	},
		3154	on_exticmd => sub {
		3155	my ($ns, $buf) = @_;
		3156
		3157	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3158
		3159	if (ref $msg) {
		3160	my ($type, $reply, @payload) =
		3161	"ARRAY" eq ref $msg
		3162	? @$msg
		3163	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3164
		3165	my @reply;
		3166
		3167	if (my $cb = $EXTICMD{$type}) {
		3168	@reply = $cb->($ns, @payload);
		3169	}
		3170
		3171	$ns->ext_reply ($reply, @reply)
		3172	if $reply;
		3173
		3174	} else {
		3175	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3176	}
		3177
		3178	cf::override;
		3179	},
1745	);	3180	);
1746		3181
1747	=item $client->coro (\&cb)	3182	=item $client->async (\&cb)
1748		3183
1749	Create a new coroutine, running the specified callback. The coroutine will	3184	Create a new coroutine, running the specified callback. The coroutine will
1750	be automatically cancelled when the client gets destroyed (e.g. on logout,	3185	be automatically cancelled when the client gets destroyed (e.g. on logout,
1751	or loss of connection).	3186	or loss of connection).
1752		3187
1753	=cut	3188	=cut
1754		3189
1755	sub cf::client::coro {	3190	sub cf::client::async {
1756	my ($self, $cb) = @_;	3191	my ($self, $cb) = @_;
1757		3192
1758	my $coro = &cf::async ($cb);	3193	my $coro = &Coro::async ($cb);
1759		3194
1760	$coro->on_destroy (sub {	3195	$coro->on_destroy (sub {
1761	delete $self->{_coro}{$coro+0};	3196	delete $self->{_coro}{$coro+0};
1762	});	3197	});
1763		3198
…		…
1765		3200
1766	$coro	3201	$coro
1767	}	3202	}
1768		3203
1769	cf::client->attach (	3204	cf::client->attach (
1770	on_destroy => sub {	3205	on_client_destroy => sub {
1771	my ($ns) = @_;	3206	my ($ns) = @_;
1772		3207
1773	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3208	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
1774	},	3209	},
1775	);	3210	);
…		…
1790	our $safe = new Safe "safe";	3225	our $safe = new Safe "safe";
1791	our $safe_hole = new Safe::Hole;	3226	our $safe_hole = new Safe::Hole;
1792		3227
1793	$SIG{FPE} = 'IGNORE';	3228	$SIG{FPE} = 'IGNORE';
1794		3229
1795	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3230	$safe->permit_only (Opcode::opset qw(
		3231	:base_core :base_mem :base_orig :base_math :base_loop
		3232	grepstart grepwhile mapstart mapwhile
		3233	sort time
		3234	));
1796		3235
1797	# here we export the classes and methods available to script code	3236	# here we export the classes and methods available to script code
1798		3237
1799	=pod	3238	=pod
1800		3239
1801	The following fucntions and emthods are available within a safe environment:	3240	The following functions and methods are available within a safe environment:
1802		3241
1803	cf::object contr pay_amount pay_player map	3242	cf::object
		3243	contr pay_amount pay_player map x y force_find force_add destroy
		3244	insert remove name archname title slaying race decrease split
		3245	value
		3246
1804	cf::object::player player	3247	cf::object::player
1805	cf::player peaceful	3248	player
1806	cf::map trigger	3249
		3250	cf::player
		3251	peaceful
		3252
		3253	cf::map
		3254	trigger
1807		3255
1808	=cut	3256	=cut
1809		3257
1810	for (	3258	for (
1811	["cf::object" => qw(contr pay_amount pay_player map)],	3259	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3260	insert remove inv nrof name archname title slaying race
		3261	decrease split destroy change_exp value msg lore send_msg)],
1812	["cf::object::player" => qw(player)],	3262	["cf::object::player" => qw(player)],
1813	["cf::player" => qw(peaceful)],	3263	["cf::player" => qw(peaceful send_msg)],
1814	["cf::map" => qw(trigger)],	3264	["cf::map" => qw(trigger)],
1815	) {	3265	) {
1816	no strict 'refs';	3266	no strict 'refs';
1817	my ($pkg, @funs) = @$_;	3267	my ($pkg, @funs) = @$_;
1818	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3268	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
1836		3286
1837	my $qcode = $code;	3287	my $qcode = $code;
1838	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3288	$qcode =~ s/"/‟/g; # not allowed in #line filenames
1839	$qcode =~ s/\n/\\n/g;	3289	$qcode =~ s/\n/\\n/g;
1840		3290
		3291	%vars = (_dummy => 0) unless %vars;
		3292
		3293	my @res;
1841	local $_;	3294	local $_;
1842	local @safe::cf::_safe_eval_args = values %vars;
1843		3295
1844	my $eval =	3296	my $eval =
1845	"do {\n"	3297	"do {\n"
1846	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3298	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
1847	. "#line 0 \"{$qcode}\"\n"	3299	. "#line 0 \"{$qcode}\"\n"
1848	. $code	3300	. $code
1849	. "\n}"	3301	. "\n}"
1850	;	3302	;
1851		3303
		3304	if ($CFG{safe_eval}) {
1852	sub_generation_inc;	3305	sub_generation_inc;
		3306	local @safe::cf::_safe_eval_args = values %vars;
1853	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3307	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
1854	sub_generation_inc;	3308	sub_generation_inc;
		3309	} else {
		3310	local @cf::_safe_eval_args = values %vars;
		3311	@res = wantarray ? eval eval : scalar eval $eval;
		3312	}
1855		3313
1856	if ($@) {	3314	if ($@) {
1857	warn "$@";	3315	warn "$@";
1858	warn "while executing safe code '$code'\n";	3316	warn "while executing safe code '$code'\n";
1859	warn "with arguments " . (join " ", %vars) . "\n";	3317	warn "with arguments " . (join " ", %vars) . "\n";
…		…
1878	=cut	3336	=cut
1879		3337
1880	sub register_script_function {	3338	sub register_script_function {
1881	my ($fun, $cb) = @_;	3339	my ($fun, $cb) = @_;
1882		3340
1883	no strict 'refs';	3341	$fun = "safe::$fun" if $CFG{safe_eval};
1884	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3342	*$fun = $safe_hole->wrap ($cb);
1885	}	3343	}
1886		3344
1887	=back	3345	=back
1888		3346
1889	=cut	3347	=cut
1890		3348
1891	#############################################################################	3349	#############################################################################
		3350	# the server's init and main functions
1892		3351
1893	=head2 EXTENSION DATABASE SUPPORT	3352	sub load_facedata($) {
		3353	my ($path) = @_;
1894		3354
1895	Crossfire maintains a very simple database for extension use. It can	3355	# HACK to clear player env face cache, we need some signal framework
1896	currently store anything that can be serialised using Storable, which	3356	# for this (global event?)
1897	excludes objects.	3357	%ext::player_env::MUSIC_FACE_CACHE = ();
1898		3358
1899	The parameter C<$family> should best start with the name of the extension	3359	my $enc = JSON::XS->new->utf8->canonical->relaxed;
1900	using it, it should be unique.
1901		3360
1902	=over 4	3361	warn "loading facedata from $path\n";
1903		3362
1904	=item $hashref = cf::db_get $family	3363	my $facedata;
		3364	0 < aio_load $path, $facedata
		3365	or die "$path: $!";
1905		3366
1906	Return a hashref for use by the extension C<$family>, which can be	3367	$facedata = Coro::Storable::thaw $facedata;
1907	modified. After modifications, you have to call C<cf::db_dirty> or
1908	C<cf::db_sync>.
1909		3368
1910	=item $value = cf::db_get $family => $key	3369	$facedata->{version} == 2
		3370	or cf::cleanup "$path: version mismatch, cannot proceed.";
1911		3371
1912	Returns a single value from the database	3372	# patch in the exptable
1913		3373	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
1914	=item cf::db_put $family => $hashref	3374	$facedata->{resource}{"res/exp_table"} = {
1915		3375	type => FT_RSRC,
1916	Stores the given family hashref into the database. Updates are delayed, if	3376	data => $exp_table,
1917	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3377	hash => (Digest::MD5::md5 $exp_table),
1918
1919	=item cf::db_put $family => $key => $value
1920
1921	Stores the given C<$value> in the family hash. Updates are delayed, if you
1922	want the data to be synced to disk immediately, use C<cf::db_sync>.
1923
1924	=item cf::db_dirty
1925
1926	Marks the database as dirty, to be updated at a later time.
1927
1928	=item cf::db_sync
1929
1930	Immediately write the database to disk I<if it is dirty>.
1931
1932	=cut
1933
1934	our $DB;
1935
1936	{
1937	my $path = cf::localdir . "/database.pst";
1938
1939	sub db_load() {
1940	$DB = stat $path ? Storable::retrieve $path : { };
1941	}
1942
1943	my $pid;
1944
1945	sub db_save() {
1946	waitpid $pid, 0 if $pid;
1947	if (0 == ($pid = fork)) {
1948	$DB->{_meta}{version} = 1;
1949	Storable::nstore $DB, "$path~";
1950	rename "$path~", $path;
1951	cf::_exit 0 if defined $pid;
1952	}
1953	}
1954
1955	my $dirty;
1956
1957	sub db_sync() {
1958	db_save if $dirty;
1959	undef $dirty;
1960	}
1961
1962	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1963	db_sync;
1964	});	3378	};
		3379	cf::cede_to_tick;
1965		3380
1966	sub db_dirty() {
1967	$dirty = 1;
1968	$idle->start;
1969	}	3381	{
		3382	my $faces = $facedata->{faceinfo};
1970		3383
1971	sub db_get($;$) {	3384	while (my ($face, $info) = each %$faces) {
1972	@_ >= 2	3385	my $idx = (cf::face::find $face) || cf::face::alloc $face;
1973	? $DB->{$_[0]}{$_[1]}
1974	: ($DB->{$_[0]} ||= { })
1975	}
1976		3386
1977	sub db_put($$;$) {	3387	cf::face::set_visibility $idx, $info->{visibility};
1978	if (@_ >= 3) {	3388	cf::face::set_magicmap $idx, $info->{magicmap};
1979	$DB->{$_[0]}{$_[1]} = $_[2];	3389	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
1980	} else {	3390	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
1981	$DB->{$_[0]} = $_[1];
1982	}
1983	db_dirty;
1984	}
1985		3391
1986	cf::global->attach (	3392	cf::cede_to_tick;
1987	prio => 10000,
1988	on_cleanup => sub {
1989	db_sync;
1990	},	3393	}
1991	);
1992	}
1993		3394
1994	#############################################################################	3395	while (my ($face, $info) = each %$faces) {
1995	# the server's main()	3396	next unless $info->{smooth};
1996		3397
1997	sub cfg_load {	3398	my $idx = cf::face::find $face
		3399	or next;
		3400
		3401	if (my $smooth = cf::face::find $info->{smooth}) {
		3402	cf::face::set_smooth $idx, $smooth;
		3403	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3404	} else {
		3405	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3406	}
		3407
		3408	cf::cede_to_tick;
		3409	}
		3410	}
		3411
		3412	{
		3413	my $anims = $facedata->{animinfo};
		3414
		3415	while (my ($anim, $info) = each %$anims) {
		3416	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3417	cf::cede_to_tick;
		3418	}
		3419
		3420	cf::anim::invalidate_all; # d'oh
		3421	}
		3422
		3423	{
		3424	my $res = $facedata->{resource};
		3425
		3426	while (my ($name, $info) = each %$res) {
		3427	if (defined $info->{type}) {
		3428	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3429
		3430	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3431	cf::face::set_type $idx, $info->{type};
		3432	} else {
		3433	$RESOURCE{$name} = $info;
		3434	}
		3435
		3436	cf::cede_to_tick;
		3437	}
		3438	}
		3439
		3440	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3441
		3442	1
		3443	}
		3444
		3445	cf::global->attach (on_resource_update => sub {
		3446	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3447	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3448
		3449	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3450	my $sound = $soundconf->{compat}[$_]
		3451	or next;
		3452
		3453	my $face = cf::face::find "sound/$sound->[1]";
		3454	cf::sound::set $sound->[0] => $face;
		3455	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3456	}
		3457
		3458	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3459	my $face = cf::face::find "sound/$v";
		3460	cf::sound::set $k => $face;
		3461	}
		3462	}
		3463	});
		3464
		3465	register_exticmd fx_want => sub {
		3466	my ($ns, $want) = @_;
		3467
		3468	while (my ($k, $v) = each %$want) {
		3469	$ns->fx_want ($k, $v);
		3470	}
		3471	};
		3472
		3473	sub load_resource_file($) {
		3474	my $guard = lock_acquire "load_resource_file";
		3475
		3476	my $status = load_resource_file_ $_[0];
		3477	get_slot 0.1, 100;
		3478	cf::arch::commit_load;
		3479
		3480	$status
		3481	}
		3482
		3483	sub reload_regions {
		3484	# HACK to clear player env face cache, we need some signal framework
		3485	# for this (global event?)
		3486	%ext::player_env::MUSIC_FACE_CACHE = ();
		3487
		3488	load_resource_file "$MAPDIR/regions"
		3489	or die "unable to load regions file\n";
		3490
		3491	for (cf::region::list) {
		3492	$_->{match} = qr/$_->{match}/
		3493	if exists $_->{match};
		3494	}
		3495	}
		3496
		3497	sub reload_facedata {
		3498	load_facedata "$DATADIR/facedata"
		3499	or die "unable to load facedata\n";
		3500	}
		3501
		3502	sub reload_archetypes {
		3503	load_resource_file "$DATADIR/archetypes"
		3504	or die "unable to load archetypes\n";
		3505	}
		3506
		3507	sub reload_treasures {
		3508	load_resource_file "$DATADIR/treasures"
		3509	or die "unable to load treasurelists\n";
		3510	}
		3511
		3512	sub reload_resources {
		3513	warn "reloading resource files...\n";
		3514
		3515	reload_facedata;
		3516	reload_archetypes;
		3517	reload_regions;
		3518	reload_treasures;
		3519
		3520	warn "finished reloading resource files\n";
		3521	}
		3522
		3523	sub reload_config {
		3524	warn "reloading config file...\n";
		3525
1998	open my $fh, "<:utf8", cf::confdir . "/config"	3526	open my $fh, "<:utf8", "$CONFDIR/config"
1999	or return;	3527	or return;
2000		3528
2001	local $/;	3529	local $/;
2002	*CFG = YAML::Syck::Load <$fh>;	3530	*CFG = YAML::XS::Load scalar <$fh>;
2003		3531
2004	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3532	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
		3533
		3534	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		3535	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2005		3536
2006	if (exists $CFG{mlockall}) {	3537	if (exists $CFG{mlockall}) {
2007	eval {	3538	eval {
2008	$CFG{mlockall} ? &mlockall : &munlockall	3539	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2009	and die "WARNING: m(un)lockall failed: $!\n";	3540	and die "WARNING: m(un)lockall failed: $!\n";
2010	};	3541	};
2011	warn $@ if $@;	3542	warn $@ if $@;
2012	}	3543	}
		3544
		3545	warn "finished reloading resource files\n";
		3546	}
		3547
		3548	sub pidfile() {
		3549	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3550	or die "$PIDFILE: $!";
		3551	flock $fh, &Fcntl::LOCK_EX
		3552	or die "$PIDFILE: flock: $!";
		3553	$fh
		3554	}
		3555
		3556	# make sure only one server instance is running at any one time
		3557	sub atomic {
		3558	my $fh = pidfile;
		3559
		3560	my $pid = <$fh>;
		3561	kill 9, $pid if $pid > 0;
		3562
		3563	seek $fh, 0, 0;
		3564	print $fh $$;
		3565	}
		3566
		3567	sub main_loop {
		3568	warn "EV::loop starting\n";
		3569	if (1) {
		3570	EV::loop;
		3571	}
		3572	warn "EV::loop returned\n";
		3573	goto &main_loop unless $REALLY_UNLOOP;
2013	}	3574	}
2014		3575
2015	sub main {	3576	sub main {
		3577	cf::init_globals; # initialise logging
		3578
		3579	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3580	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3581	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3582	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3583
		3584	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3585
2016	# we must not ever block the main coroutine	3586	# we must not ever block the main coroutine
2017	local $Coro::idle = sub {	3587	local $Coro::idle = sub {
2018	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3588	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2019	(Coro::unblock_sub {	3589	(async {
2020	Event::one_event;	3590	$Coro::current->{desc} = "IDLE BUG HANDLER";
2021	})->();	3591	EV::loop EV::LOOP_ONESHOT;
		3592	})->prio (Coro::PRIO_MAX);
2022	};	3593	};
2023		3594
2024	cfg_load;	3595	evthread_start IO::AIO::poll_fileno;
2025	db_load;	3596
		3597	cf::sync_job {
		3598	cf::init_experience;
		3599	cf::init_anim;
		3600	cf::init_attackmess;
		3601	cf::init_dynamic;
		3602
		3603	cf::load_settings;
		3604	cf::load_materials;
		3605
		3606	reload_resources;
		3607	reload_config;
		3608	db_init;
		3609
		3610	cf::init_uuid;
		3611	cf::init_signals;
		3612	cf::init_skills;
		3613
		3614	cf::init_beforeplay;
		3615
		3616	atomic;
		3617
2026	load_extensions;	3618	load_extensions;
2027	Event::loop;	3619
		3620	utime time, time, $RUNTIMEFILE;
		3621
		3622	# no (long-running) fork's whatsoever before this point(!)
		3623	use POSIX ();
		3624	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3625
		3626	(pop @POST_INIT)->(0) while @POST_INIT;
		3627	};
		3628
		3629	cf::object::thawer::errors_are_fatal 0;
		3630	warn "parse errors in files are no longer fatal from this point on.\n";
		3631
		3632	main_loop;
2028	}	3633	}
2029		3634
2030	#############################################################################	3635	#############################################################################
2031	# initialisation	3636	# initialisation and cleanup
2032		3637
		3638	# install some emergency cleanup handlers
		3639	BEGIN {
		3640	our %SIGWATCHER = ();
		3641	for my $signal (qw(INT HUP TERM)) {
		3642	$SIGWATCHER{$signal} = AE::signal $signal, sub {
		3643	cf::cleanup "SIG$signal";
		3644	};
		3645	}
		3646	}
		3647
		3648	sub write_runtime_sync {
		3649	my $t0 = AE::time;
		3650
		3651	# first touch the runtime file to show we are still running:
		3652	# the fsync below can take a very very long time.
		3653
		3654	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3655
		3656	my $guard = cf::lock_acquire "write_runtime";
		3657
		3658	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3659	or return;
		3660
		3661	my $value = $cf::RUNTIME + 90 + 10;
		3662	# 10 is the runtime save interval, for a monotonic clock
		3663	# 60 allows for the watchdog to kill the server.
		3664
		3665	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3666	and return;
		3667
		3668	# always fsync - this file is important
		3669	aio_fsync $fh
		3670	and return;
		3671
		3672	# touch it again to show we are up-to-date
		3673	aio_utime $fh, undef, undef;
		3674
		3675	close $fh
		3676	or return;
		3677
		3678	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3679	and return;
		3680
		3681	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3682
		3683	1
		3684	}
		3685
		3686	our $uuid_lock;
		3687	our $uuid_skip;
		3688
		3689	sub write_uuid_sync($) {
		3690	$uuid_skip ||= $_[0];
		3691
		3692	return if $uuid_lock;
		3693	local $uuid_lock = 1;
		3694
		3695	my $uuid = "$LOCALDIR/uuid";
		3696
		3697	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3698	or return;
		3699
		3700	my $value = uuid_seq uuid_cur;
		3701
		3702	unless ($value) {
		3703	warn "cowardly refusing to write zero uuid value!\n";
		3704	return;
		3705	}
		3706
		3707	my $value = uuid_str $value + $uuid_skip;
		3708	$uuid_skip = 0;
		3709
		3710	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3711	and return;
		3712
		3713	# always fsync - this file is important
		3714	aio_fsync $fh
		3715	and return;
		3716
		3717	close $fh
		3718	or return;
		3719
		3720	aio_rename "$uuid~", $uuid
		3721	and return;
		3722
		3723	warn "uuid file written ($value).\n";
		3724
		3725	1
		3726
		3727	}
		3728
		3729	sub write_uuid($$) {
		3730	my ($skip, $sync) = @_;
		3731
		3732	$sync ? write_uuid_sync $skip
		3733	: async { write_uuid_sync $skip };
		3734	}
		3735
		3736	sub emergency_save() {
		3737	my $freeze_guard = cf::freeze_mainloop;
		3738
		3739	warn "emergency_perl_save: enter\n";
		3740
		3741	cf::sync_job {
		3742	# this is a trade-off: we want to be very quick here, so
		3743	# save all maps without fsync, and later call a global sync
		3744	# (which in turn might be very very slow)
		3745	local $USE_FSYNC = 0;
		3746
		3747	# use a peculiar iteration method to avoid tripping on perl
		3748	# refcount bugs in for. also avoids problems with players
		3749	# and maps saved/destroyed asynchronously.
		3750	warn "emergency_perl_save: begin player save\n";
		3751	for my $login (keys %cf::PLAYER) {
		3752	my $pl = $cf::PLAYER{$login} or next;
		3753	$pl->valid or next;
		3754	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
		3755	$pl->save;
		3756	}
		3757	warn "emergency_perl_save: end player save\n";
		3758
		3759	warn "emergency_perl_save: begin map save\n";
		3760	for my $path (keys %cf::MAP) {
		3761	my $map = $cf::MAP{$path} or next;
		3762	$map->valid or next;
		3763	$map->save;
		3764	}
		3765	warn "emergency_perl_save: end map save\n";
		3766
		3767	warn "emergency_perl_save: begin database checkpoint\n";
		3768	BDB::db_env_txn_checkpoint $DB_ENV;
		3769	warn "emergency_perl_save: end database checkpoint\n";
		3770
		3771	warn "emergency_perl_save: begin write uuid\n";
		3772	write_uuid_sync 1;
		3773	warn "emergency_perl_save: end write uuid\n";
		3774	};
		3775
		3776	warn "emergency_perl_save: starting sync()\n";
		3777	IO::AIO::aio_sync sub {
		3778	warn "emergency_perl_save: finished sync()\n";
		3779	};
		3780
		3781	warn "emergency_perl_save: leave\n";
		3782	}
		3783
		3784	sub post_cleanup {
		3785	my ($make_core) = @_;
		3786
		3787	warn Carp::longmess "post_cleanup backtrace"
		3788	if $make_core;
		3789
		3790	my $fh = pidfile;
		3791	unlink $PIDFILE if <$fh> == $$;
		3792	}
		3793
		3794	# a safer delete_package, copied from Symbol
		3795	sub clear_package($) {
		3796	my $pkg = shift;
		3797
		3798	# expand to full symbol table name if needed
		3799	unless ($pkg =~ /^main::.*::$/) {
		3800	$pkg = "main$pkg" if $pkg =~ /^::/;
		3801	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3802	$pkg .= '::' unless $pkg =~ /::$/;
		3803	}
		3804
		3805	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3806	my $stem_symtab = *{$stem}{HASH};
		3807
		3808	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3809	or return;
		3810
		3811	# clear all symbols
		3812	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3813	for my $name (keys %$leaf_symtab) {
		3814	_gv_clear *{"$pkg$name"};
		3815	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3816	}
		3817	}
		3818
2033	sub reload() {	3819	sub do_reload_perl() {
2034	# can/must only be called in main	3820	# can/must only be called in main
2035	if ($Coro::current != $Coro::main) {	3821	if (in_main) {
2036	warn "can only reload from main coroutine\n";	3822	warn "can only reload from main coroutine";
2037	return;	3823	return;
2038	}	3824	}
2039		3825
		3826	return if $RELOAD++;
		3827
		3828	my $t1 = AE::time;
		3829
		3830	while ($RELOAD) {
2040	warn "reloading...";	3831	warn "reloading...";
2041		3832
2042	my $guard = freeze_mainloop;	3833	warn "entering sync_job";
		3834
		3835	cf::sync_job {
		3836	cf::write_runtime_sync; # external watchdog should not bark
2043	cf::emergency_save;	3837	cf::emergency_save;
		3838	cf::write_runtime_sync; # external watchdog should not bark
2044		3839
2045	eval {	3840	warn "syncing database to disk";
		3841	BDB::db_env_txn_checkpoint $DB_ENV;
		3842
2046	# if anything goes wrong in here, we should simply crash as we already saved	3843	# if anything goes wrong in here, we should simply crash as we already saved
2047		3844
2048	# cancel all watchers	3845	warn "flushing outstanding aio requests";
2049	for (Event::all_watchers) {	3846	while (IO::AIO::nreqs || BDB::nreqs) {
2050	$_->cancel if $_->data & WF_AUTOCANCEL;	3847	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2051	}
2052
2053	# cancel all extension coros
2054	$_->cancel for values %EXT_CORO;
2055	%EXT_CORO = ();
2056
2057	# unload all extensions
2058	for (@exts) {
2059	warn "unloading <$_>";
2060	unload_extension $_;
2061	}
2062
2063	# unload all modules loaded from $LIBDIR
2064	while (my ($k, $v) = each %INC) {
2065	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2066
2067	warn "removing <$k>";
2068	delete $INC{$k};
2069
2070	$k =~ s/\.pm$//;
2071	$k =~ s/\//::/g;
2072
2073	if (my $cb = $k->can ("unload_module")) {
2074	$cb->();
2075	}	3848	}
2076		3849
2077	Symbol::delete_package $k;	3850	warn "cancelling all extension coros";
		3851	$_->cancel for values %EXT_CORO;
		3852	%EXT_CORO = ();
		3853
		3854	warn "removing commands";
		3855	%COMMAND = ();
		3856
		3857	warn "removing ext/exti commands";
		3858	%EXTCMD = ();
		3859	%EXTICMD = ();
		3860
		3861	warn "unloading/nuking all extensions";
		3862	for my $pkg (@EXTS) {
		3863	warn "... unloading $pkg";
		3864
		3865	if (my $cb = $pkg->can ("unload")) {
		3866	eval {
		3867	$cb->($pkg);
		3868	1
		3869	} or warn "$pkg unloaded, but with errors: $@";
		3870	}
		3871
		3872	warn "... clearing $pkg";
		3873	clear_package $pkg;
2078	}	3874	}
2079		3875
2080	# sync database to disk	3876	warn "unloading all perl modules loaded from $LIBDIR";
2081	cf::db_sync;	3877	while (my ($k, $v) = each %INC) {
2082	IO::AIO::flush;	3878	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2083		3879
		3880	warn "... unloading $k";
		3881	delete $INC{$k};
		3882
		3883	$k =~ s/\.pm$//;
		3884	$k =~ s/\//::/g;
		3885
		3886	if (my $cb = $k->can ("unload_module")) {
		3887	$cb->();
		3888	}
		3889
		3890	clear_package $k;
		3891	}
		3892
2084	# get rid of safe::, as good as possible	3893	warn "getting rid of safe::, as good as possible";
2085	Symbol::delete_package "safe::$_"	3894	clear_package "safe::$_"
2086	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3895	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2087		3896
2088	# remove register_script_function callbacks	3897	warn "unloading cf.pm \"a bit\"";
2089	# TODO
2090
2091	# unload cf.pm "a bit"
2092	delete $INC{"cf.pm"};	3898	delete $INC{"cf.pm"};
		3899	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2093		3900
2094	# don't, removes xs symbols, too,	3901	# don't, removes xs symbols, too,
2095	# and global variables created in xs	3902	# and global variables created in xs
2096	#Symbol::delete_package __PACKAGE__;	3903	#clear_package __PACKAGE__;
2097		3904
2098	# reload cf.pm	3905	warn "unload completed, starting to reload now";
		3906
2099	warn "reloading cf.pm";	3907	warn "reloading cf.pm";
2100	require cf;	3908	require cf;
2101	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3909	cf::_connect_to_perl_1;
2102		3910
2103	# load config and database again	3911	warn "loading config and database again";
2104	cf::cfg_load;	3912	cf::reload_config;
2105	cf::db_load;
2106		3913
2107	# load extensions
2108	warn "load extensions";	3914	warn "loading extensions";
2109	cf::load_extensions;	3915	cf::load_extensions;
2110		3916
2111	# reattach attachments to objects	3917	if ($REATTACH_ON_RELOAD) {
		3918	warn "reattaching attachments to objects/players";
		3919	_global_reattach; # objects, sockets
		3920	warn "reattaching attachments to maps";
		3921	reattach $_ for values %MAP;
		3922	warn "reattaching attachments to players";
		3923	reattach $_ for values %PLAYER;
		3924	}
		3925
		3926	warn "running post_init jobs";
		3927	(pop @POST_INIT)->(1) while @POST_INIT;
		3928
		3929	warn "leaving sync_job";
		3930
		3931	1
		3932	} or do {
		3933	warn $@;
		3934	cf::cleanup "error while reloading, exiting.";
		3935	};
		3936
2112	warn "reattach";	3937	warn "reloaded";
2113	_global_reattach;	3938	--$RELOAD;
		3939	}
		3940
		3941	$t1 = AE::time - $t1;
		3942	warn "reload completed in ${t1}s\n";
		3943	};
		3944
		3945	our $RELOAD_WATCHER; # used only during reload
		3946
		3947	sub reload_perl() {
		3948	# doing reload synchronously and two reloads happen back-to-back,
		3949	# coro crashes during coro_state_free->destroy here.
		3950
		3951	$RELOAD_WATCHER ||= cf::async {
		3952	Coro::AIO::aio_wait cache_extensions;
		3953
		3954	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3955	do_reload_perl;
		3956	undef $RELOAD_WATCHER;
		3957	};
2114	};	3958	};
2115
2116	if ($@) {
2117	warn $@;
2118	warn "error while reloading, exiting.";
2119	exit 1;
2120	}
2121
2122	warn "reloaded successfully";
2123	};
2124
2125	#############################################################################
2126
2127	unless ($LINK_MAP) {
2128	$LINK_MAP = cf::map::new;
2129
2130	$LINK_MAP->width (41);
2131	$LINK_MAP->height (41);
2132	$LINK_MAP->alloc;
2133	$LINK_MAP->path ("{link}");
2134	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2135	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2136
2137	# dirty hack because... archetypes are not yet loaded
2138	Event->timer (
2139	after => 2,
2140	cb => sub {
2141	$_[0]->w->cancel;
2142
2143	# provide some exits "home"
2144	my $exit = cf::object::new "exit";
2145
2146	$exit->slaying ($EMERGENCY_POSITION->[0]);
2147	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2148	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2149
2150	$LINK_MAP->insert ($exit->clone, 19, 19);
2151	$LINK_MAP->insert ($exit->clone, 19, 20);
2152	$LINK_MAP->insert ($exit->clone, 19, 21);
2153	$LINK_MAP->insert ($exit->clone, 20, 19);
2154	$LINK_MAP->insert ($exit->clone, 20, 21);
2155	$LINK_MAP->insert ($exit->clone, 21, 19);
2156	$LINK_MAP->insert ($exit->clone, 21, 20);
2157	$LINK_MAP->insert ($exit->clone, 21, 21);
2158
2159	$exit->destroy;
2160	});
2161
2162	$LINK_MAP->{deny_save} = 1;
2163	$LINK_MAP->{deny_reset} = 1;
2164
2165	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2166	}	3959	}
2167
2168	register "<global>", __PACKAGE__;
2169		3960
2170	register_command "reload" => sub {	3961	register_command "reload" => sub {
2171	my ($who, $arg) = @_;	3962	my ($who, $arg) = @_;
2172		3963
2173	if ($who->flag (FLAG_WIZ)) {	3964	if ($who->flag (FLAG_WIZ)) {
2174	$who->message ("start of reload.");
2175	reload;
2176	$who->message ("end of reload.");	3965	$who->message ("reloading server.");
		3966	async {
		3967	$Coro::current->{desc} = "perl_reload";
		3968	reload_perl;
		3969	};
2177	}	3970	}
2178	};	3971	};
2179		3972
2180	unshift @INC, $LIBDIR;	3973	unshift @INC, $LIBDIR;
2181		3974
2182	$TICK_WATCHER = Event->timer (	3975	my $bug_warning = 0;
2183	reentrant => 0,	3976
2184	prio => 0,	3977	our @WAIT_FOR_TICK;
2185	at => $NEXT_TICK || $TICK,	3978	our @WAIT_FOR_TICK_BEGIN;
2186	data => WF_AUTOCANCEL,	3979
2187	cb => sub {	3980	sub wait_for_tick {
		3981	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3982
		3983	my $signal = new Coro::Signal;
		3984	push @WAIT_FOR_TICK, $signal;
		3985	$signal->wait;
		3986	}
		3987
		3988	sub wait_for_tick_begin {
		3989	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3990
		3991	my $signal = new Coro::Signal;
		3992	push @WAIT_FOR_TICK_BEGIN, $signal;
		3993	$signal->wait;
		3994	}
		3995
		3996	sub tick {
		3997	if ($Coro::current != $Coro::main) {
		3998	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3999	unless ++$bug_warning > 10;
		4000	return;
		4001	}
		4002
2188	cf::server_tick; # one server iteration	4003	cf::server_tick; # one server iteration
2189	$RUNTIME += $TICK;
2190	$NEXT_TICK += $TICK;
2191		4004
2192	# if we are delayed by four ticks or more, skip them all	4005	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2193	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2194		4006
2195	$TICK_WATCHER->at ($NEXT_TICK);	4007	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2196	$TICK_WATCHER->start;	4008	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2197	},	4009	Coro::async_pool {
2198	);	4010	$Coro::current->{desc} = "runtime saver";
2199
2200	IO::AIO::max_poll_time $TICK * 0.2;
2201
2202	Event->io (
2203	fd => IO::AIO::poll_fileno,
2204	poll => 'r',
2205	prio => 5,
2206	data => WF_AUTOCANCEL,
2207	cb => \&IO::AIO::poll_cb,
2208	);
2209
2210	Event->timer (
2211	data => WF_AUTOCANCEL,
2212	after => 0,
2213	interval => 10,
2214	cb => sub {
2215	(Coro::unblock_sub {
2216	write_runtime	4011	write_runtime_sync
2217	or warn "ERROR: unable to write runtime file: $!";	4012	or warn "ERROR: unable to write runtime file: $!";
2218	})->();	4013	};
2219	},	4014	}
2220	);	4015
		4016	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4017	$sig->send;
		4018	}
		4019	while (my $sig = shift @WAIT_FOR_TICK) {
		4020	$sig->send;
		4021	}
		4022
		4023	$LOAD = ($NOW - $TICK_START) / $TICK;
		4024	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4025
		4026	if (0) {
		4027	if ($NEXT_TICK) {
		4028	my $jitter = $TICK_START - $NEXT_TICK;
		4029	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4030	warn "jitter $JITTER\n";#d#
		4031	}
		4032	}
		4033	}
		4034
		4035	{
		4036	# configure BDB
		4037
		4038	BDB::min_parallel 16;
		4039	BDB::max_poll_reqs $TICK * 0.1;
		4040	$AnyEvent::BDB::WATCHER->priority (1);
		4041
		4042	unless ($DB_ENV) {
		4043	$DB_ENV = BDB::db_env_create;
		4044	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4045	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4046	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4047	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4048	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4049
		4050	cf::sync_job {
		4051	eval {
		4052	BDB::db_env_open
		4053	$DB_ENV,
		4054	$BDBDIR,
		4055	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4056	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4057	0666;
		4058
		4059	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4060	};
		4061
		4062	cf::cleanup "db_env_open(db): $@" if $@;
		4063	};
		4064	}
		4065
		4066	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4067	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4068	};
		4069	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4070	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4071	};
		4072	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4073	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4074	};
		4075	}
		4076
		4077	{
		4078	# configure IO::AIO
		4079
		4080	IO::AIO::min_parallel 8;
		4081	IO::AIO::max_poll_time $TICK * 0.1;
		4082	undef $AnyEvent::AIO::WATCHER;
		4083	}
		4084
		4085	my $_log_backtrace;
		4086
		4087	sub _log_backtrace {
		4088	my ($msg, @addr) = @_;
		4089
		4090	$msg =~ s/\n//;
		4091
		4092	# limit the # of concurrent backtraces
		4093	if ($_log_backtrace < 2) {
		4094	++$_log_backtrace;
		4095	my $perl_bt = Carp::longmess $msg;
		4096	async {
		4097	$Coro::current->{desc} = "abt $msg";
		4098
		4099	my @bt = fork_call {
		4100	@addr = map { sprintf "%x", $_ } @addr;
		4101	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4102	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4103	or die "addr2line: $!";
		4104
		4105	my @funcs;
		4106	my @res = <$fh>;
		4107	chomp for @res;
		4108	while (@res) {
		4109	my ($func, $line) = splice @res, 0, 2, ();
		4110	push @funcs, "[$func] $line";
		4111	}
		4112
		4113	@funcs
		4114	};
		4115
		4116	LOG llevInfo, "[ABT] $perl_bt\n";
		4117	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4118	LOG llevInfo, "[ABT] $_\n" for @bt;
		4119	--$_log_backtrace;
		4120	};
		4121	} else {
		4122	LOG llevInfo, "[ABT] $msg\n";
		4123	LOG llevInfo, "[ABT] [suppressed]\n";
		4124	}
		4125	}
		4126
		4127	# load additional modules
		4128	require "cf/$_.pm" for @EXTRA_MODULES;
		4129	cf::_connect_to_perl_2;
2221		4130
2222	END { cf::emergency_save }	4131	END { cf::emergency_save }
2223		4132
2224	1	4133	1
2225		4134

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