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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.143 by root, Sun Jan 7 02:39:14 2007 UTC vs.
Revision 1.519 by root, Fri Apr 16 02:32:25 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 (Coro::PRIO_MAX); # 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 = 4000;
		114	our $OUTPUT_RATE_MAX = 100000;
		115
		116	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		117	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	118	our $NEXT_TICK;
45	our $NOW;	119	our $USE_FSYNC = 1; # use fsync to write maps - default on
		120
		121	our $BDB_DEADLOCK_WATCHER;
		122	our $BDB_CHECKPOINT_WATCHER;
		123	our $BDB_TRICKLE_WATCHER;
		124	our $DB_ENV;
		125
		126	our @EXTRA_MODULES = qw(pod match mapscript);
46		127
47	our %CFG;	128	our %CFG;
48		129
49	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	131	our $RUNTIME;
		132	our $NOW;
51		133
52	our %PLAYER; # all users	134	our (%PLAYER, %PLAYER_LOADING); # all users
53	our %MAP; # all maps	135	our (%MAP, %MAP_LOADING ); # all maps
54	our $LINK_MAP; # the special {link} map	136	our $LINK_MAP; # the special {link} map, which is always available
55	our $RANDOM_MAPS = cf::localdir . "/random";	137
56	our %EXT_CORO; # coroutines bound to extensions	138	# used to convert map paths into valid unix filenames by replacing / by ∕
		139	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		140
		141	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		142	our $LOADAVG; # same thing, but with alpha-smoothing
		143	our $JITTER; # average jitter
		144	our $TICK_START; # for load detecting purposes
		145
		146	our @POST_INIT;
		147
		148	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		149	our $REALLY_UNLOOP; # never set to true, please :)
57		150
58	binmode STDOUT;	151	binmode STDOUT;
59	binmode STDERR;	152	binmode STDERR;
60		153
61	# read virtual server time, if available	154	# read virtual server time, if available
62	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	155	unless ($RUNTIME || !-e $RUNTIMEFILE) {
63	open my $fh, "<", cf::localdir . "/runtime"	156	open my $fh, "<", $RUNTIMEFILE
64	or die "unable to read runtime file: $!";	157	or die "unable to read $RUNTIMEFILE file: $!";
65	$RUNTIME = <$fh> + 0.;	158	$RUNTIME = <$fh> + 0.;
66	}	159	}
67		160
68	mkdir cf::localdir;	161	eval "sub TICK() { $TICK } 1" or die;
69	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;
73		162
74	# a special map that is always available	163	mkdir $_
75	our $LINK_MAP;	164	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
		165
76	our $EMERGENCY_POSITION;	166	our $EMERGENCY_POSITION;
		167
		168	sub cf::map::normalise;
		169
		170	#############################################################################
		171
		172	%REFLECT = ();
		173	for (@REFLECT) {
		174	my $reflect = JSON::XS::decode_json $_;
		175	$REFLECT{$reflect->{class}} = $reflect;
		176	}
		177
		178	# this is decidedly evil
		179	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
77		180
78	#############################################################################	181	#############################################################################
79		182
80	=head2 GLOBAL VARIABLES	183	=head2 GLOBAL VARIABLES
81		184
…		…
88	=item $cf::RUNTIME	191	=item $cf::RUNTIME
89		192
90	The time this server has run, starts at 0 and is increased by $cf::TICK on	193	The time this server has run, starts at 0 and is increased by $cf::TICK on
91	every server tick.	194	every server tick.
92		195
93	=item $cf::LIBDIR	196	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		197	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		198	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
94		199
95	The perl library directory, where extensions and cf-specific modules can	200	Various directories - "/etc", read-only install directory, perl-library
96	be found. It will be added to C<@INC> automatically.	201	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		202	unique-items directory, player file directory, random maps directory and
		203	database environment.
97		204
98	=item $cf::NOW	205	=item $cf::NOW
99		206
100	The time of the last (current) server tick.	207	The time of the last (current) server tick.
101		208
102	=item $cf::TICK	209	=item $cf::TICK
103		210
104	The interval between server ticks, in seconds.	211	The interval between server ticks, in seconds.
105		212
		213	=item $cf::LOADAVG
		214
		215	The current CPU load on the server (alpha-smoothed), as a value between 0
		216	(none) and 1 (overloaded), indicating how much time is spent on processing
		217	objects per tick. Healthy values are < 0.5.
		218
		219	=item $cf::LOAD
		220
		221	The raw value load value from the last tick.
		222
106	=item %cf::CFG	223	=item %cf::CFG
107		224
108	Configuration for the server, loaded from C</etc/crossfire/config>, or	225	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
109	from wherever your confdir points to.	226	from wherever your confdir points to.
110		227
		228	=item cf::wait_for_tick, cf::wait_for_tick_begin
		229
		230	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		231	returns directly I<after> the tick processing (and consequently, can only wake one process
		232	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
		233
		234	=item @cf::INVOKE_RESULTS
		235
		236	This array contains the results of the last C<invoke ()> call. When
		237	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		238	that call.
		239
		240	=item %cf::REFLECT
		241
		242	Contains, for each (C++) class name, a hash reference with information
		243	about object members (methods, scalars, arrays and flags) and other
		244	metadata, which is useful for introspection.
		245
111	=back	246	=back
112		247
113	=cut	248	=cut
114		249
115	BEGIN {	250	$Coro::State::WARNHOOK = sub {
116	*CORE::GLOBAL::warn = sub {
117	my $msg = join "", @_;	251	my $msg = join "", @_;
118	utf8::encode $msg;
119		252
120	$msg .= "\n"	253	$msg .= "\n"
121	unless $msg =~ /\n$/;	254	unless $msg =~ /\n$/;
122		255
		256	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		257
123	LOG llevError, "cfperl: $msg";	258	LOG llevError, $msg;
124	};	259	};
125	}	260
		261	$Coro::State::DIEHOOK = sub {
		262	return unless $^S eq 0; # "eq", not "=="
		263
		264	warn Carp::longmess $_[0];
		265
		266	if ($Coro::current == $Coro::main) {#d#
		267	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		268	return;#d#
		269	}#d#
		270
		271	# kill coroutine otherwise
		272	Coro::terminate
		273	};
126		274
127	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	275	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
128	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	276	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
129	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	277	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
130	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	278	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
131	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	279	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		280	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
132	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	281	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
133		282
134	# we bless all objects into (empty) derived classes to force a method lookup	283	# we bless all objects into (empty) derived classes to force a method lookup
135	# within the Safe compartment.	284	# within the Safe compartment.
136	for my $pkg (qw(	285	for my $pkg (qw(
137	cf::global cf::attachable	286	cf::global cf::attachable
138	cf::object cf::object::player	287	cf::object cf::object::player
139	cf::client cf::player	288	cf::client cf::player
140	cf::arch cf::living	289	cf::arch cf::living
		290	cf::map cf::mapspace
141	cf::map cf::party cf::region	291	cf::party cf::region
142	)) {	292	)) {
143	no strict 'refs';
144	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	293	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
145	}	294	}
146		295
147	$Event::DIED = sub {	296	$EV::DIED = sub {
148	warn "error in event callback: @_";	297	Carp::cluck "error in event callback: @_";
149	};	298	};
150		299
151	my %ext_pkg;	300	#############################################################################
152	my @exts;
153	my @hook;
154		301
155	=head2 UTILITY FUNCTIONS	302	=head2 UTILITY FUNCTIONS
156		303
157	=over 4	304	=over 4
158		305
159	=cut	306	=item dumpval $ref
160		307
161	use JSON::Syck (); # TODO# replace by JSON::PC once working	308	=cut
162		309
		310	sub dumpval {
		311	eval {
		312	local $SIG{__DIE__};
		313	my $d;
		314	if (1) {
		315	$d = new Data::Dumper([$_[0]], ["*var"]);
		316	$d->Terse(1);
		317	$d->Indent(2);
		318	$d->Quotekeys(0);
		319	$d->Useqq(1);
		320	#$d->Bless(...);
		321	$d->Seen($_[1]) if @_ > 1;
		322	$d = $d->Dump();
		323	}
		324	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		325	$d
		326	} || "[unable to dump $_[0]: '$@']";
		327	}
		328
163	=item $ref = cf::from_json $json	329	=item $ref = cf::decode_json $json
164		330
165	Converts a JSON string into the corresponding perl data structure.	331	Converts a JSON string into the corresponding perl data structure.
166		332
167	=cut
168
169	sub from_json($) {
170	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
171	JSON::Syck::Load $_[0]
172	}
173
174	=item $json = cf::to_json $ref	333	=item $json = cf::encode_json $ref
175		334
176	Converts a perl data structure into its JSON representation.	335	Converts a perl data structure into its JSON representation.
177		336
178	=cut	337	=cut
179		338
180	sub to_json($) {	339	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
181	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	340
182	JSON::Syck::Dump $_[0]	341	sub encode_json($) { $json_coder->encode ($_[0]) }
		342	sub decode_json($) { $json_coder->decode ($_[0]) }
		343
		344	=item cf::post_init { BLOCK }
		345
		346	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		347	but I<before> the server starts ticking again.
		348
		349	The cdoeblock will have a single boolean argument to indicate whether this
		350	is a reload or not.
		351
		352	=cut
		353
		354	sub post_init(&) {
		355	push @POST_INIT, shift;
183	}	356	}
184		357
185	=item cf::lock_wait $string	358	=item cf::lock_wait $string
186		359
187	Wait until the given lock is available. See cf::lock_acquire.	360	Wait until the given lock is available. See cf::lock_acquire.
188		361
189	=item my $lock = cf::lock_acquire $string	362	=item my $lock = cf::lock_acquire $string
190		363
191	Wait until the given lock is available and then acquires it and returns	364	Wait until the given lock is available and then acquires it and returns
192	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	365	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
193	for example when the coroutine gets canceled), the lock is automatically	366	for example when the coroutine gets canceled), the lock is automatically
194	returned.	367	returned.
195		368
		369	Locks are *not* recursive, locking from the same coro twice results in a
		370	deadlocked coro.
		371
196	Lock names should begin with a unique identifier (for example, cf::map::find	372	Lock names should begin with a unique identifier (for example, cf::map::find
197	uses map_find and cf::map::load uses map_load).	373	uses map_find and cf::map::load uses map_load).
198		374
199	=cut	375	=item $locked = cf::lock_active $string
200		376
201	our %LOCK;	377	Return true if the lock is currently active, i.e. somebody has locked it.
		378
		379	=cut
		380
		381	our $LOCKS = new Coro::SemaphoreSet;
202		382
203	sub lock_wait($) {	383	sub lock_wait($) {
204	my ($key) = @_;	384	$LOCKS->wait ($_[0]);
205
206	# wait for lock, if any
207	while ($LOCK{$key}) {
208	push @{ $LOCK{$key} }, $Coro::current;
209	Coro::schedule;
210	}
211	}	385	}
212		386
213	sub lock_acquire($) {	387	sub lock_acquire($) {
214	my ($key) = @_;	388	$LOCKS->guard ($_[0])
		389	}
215		390
216	# wait, to be sure we are not locked	391	sub lock_active($) {
217	lock_wait $key;	392	$LOCKS->count ($_[0]) < 1
218
219	$LOCK{$key} = [];
220
221	Coro::guard {
222	# wake up all waiters, to be on the safe side
223	$_->ready for @{ delete $LOCK{$key} };
224	}
225	}	393	}
226		394
227	sub freeze_mainloop {	395	sub freeze_mainloop {
228	return unless $TICK_WATCHER->is_active;	396	tick_inhibit_inc;
229		397
230	my $guard = Coro::guard { $TICK_WATCHER->start };	398	&Guard::guard (\&tick_inhibit_dec);
231	$TICK_WATCHER->stop;	399	}
232	$guard	400
		401	=item cf::periodic $interval, $cb
		402
		403	Like EV::periodic, but randomly selects a starting point so that the actions
		404	get spread over time.
		405
		406	=cut
		407
		408	sub periodic($$) {
		409	my ($interval, $cb) = @_;
		410
		411	my $start = rand List::Util::min 180, $interval;
		412
		413	EV::periodic $start, $interval, 0, $cb
		414	}
		415
		416	=item cf::get_slot $time[, $priority[, $name]]
		417
		418	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		419	This call blocks and returns only when you have at least C<$time> seconds
		420	of cpu time till the next tick. The slot is only valid till the next cede.
		421
		422	The optional C<$name> can be used to identify the job to run. It might be
		423	used for statistical purposes and should identify the same time-class.
		424
		425	Useful for short background jobs.
		426
		427	=cut
		428
		429	our @SLOT_QUEUE;
		430	our $SLOT_QUEUE;
		431	our $SLOT_DECAY = 0.9;
		432
		433	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		434	$SLOT_QUEUE = Coro::async {
		435	$Coro::current->desc ("timeslot manager");
		436
		437	my $signal = new Coro::Signal;
		438	my $busy;
		439
		440	while () {
		441	next_job:
		442
		443	my $avail = cf::till_tick;
		444
		445	for (0 .. $#SLOT_QUEUE) {
		446	if ($SLOT_QUEUE[$_][0] <= $avail) {
		447	$busy = 0;
		448	my $job = splice @SLOT_QUEUE, $_, 1, ();
		449	$job->[2]->send;
		450	Coro::cede;
		451	goto next_job;
		452	} else {
		453	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		454	}
		455	}
		456
		457	if (@SLOT_QUEUE) {
		458	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		459	push @cf::WAIT_FOR_TICK, $signal;
		460	$signal->wait;
		461	} else {
		462	$busy = 0;
		463	Coro::schedule;
		464	}
		465	}
		466	};
		467
		468	sub get_slot($;$$) {
		469	return if tick_inhibit || $Coro::current == $Coro::main;
		470
		471	my ($time, $pri, $name) = @_;
		472
		473	$time = clamp $time, 0.01, $TICK * .6;
		474
		475	my $sig = new Coro::Signal;
		476
		477	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		478	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		479	$SLOT_QUEUE->ready;
		480	$sig->wait;
233	}	481	}
234		482
235	=item cf::async { BLOCK }	483	=item cf::async { BLOCK }
236		484
237	Currently the same as Coro::async_pool, meaning you cannot use	485	Currently the same as Coro::async_pool, meaning you cannot use
…		…
242		490
243	BEGIN { *async = \&Coro::async_pool }	491	BEGIN { *async = \&Coro::async_pool }
244		492
245	=item cf::sync_job { BLOCK }	493	=item cf::sync_job { BLOCK }
246		494
247	The design of crossfire+ requires that the main coro ($Coro::main) is	495	The design of Deliantra requires that the main coroutine ($Coro::main)
248	always able to handle events or runnable, as crossfire+ is only partly	496	is always able to handle events or runnable, as Deliantra is only
249	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	497	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		498	acceptable.
250		499
251	If it must be done, put the blocking parts into C<sync_job>. This will run	500	If it must be done, put the blocking parts into C<sync_job>. This will run
252	the given BLOCK in another coroutine while waiting for the result. The	501	the given BLOCK in another coroutine while waiting for the result. The
253	server will be frozen during this time, so the block should either finish	502	server will be frozen during this time, so the block should either finish
254	fast or be very important.	503	fast or be very important.
…		…
257		506
258	sub sync_job(&) {	507	sub sync_job(&) {
259	my ($job) = @_;	508	my ($job) = @_;
260		509
261	if ($Coro::current == $Coro::main) {	510	if ($Coro::current == $Coro::main) {
		511	my $time = AE::time;
		512
262	# this is the main coro, too bad, we have to block	513	# this is the main coro, too bad, we have to block
263	# till the operation succeeds, freezing the server :/	514	# till the operation succeeds, freezing the server :/
264		515
265	# TODO: use suspend/resume instead	516	LOG llevError, Carp::longmess "sync job";#d#
266	# (but this is cancel-safe)	517
267	my $freeze_guard = freeze_mainloop;	518	my $freeze_guard = freeze_mainloop;
268		519
269	my $busy = 1;	520	my $busy = 1;
270	my @res;	521	my @res;
271		522
272	(async {	523	(async {
		524	$Coro::current->desc ("sync job coro");
273	@res = eval { $job->() };	525	@res = eval { $job->() };
274	warn $@ if $@;	526	warn $@ if $@;
275	undef $busy;	527	undef $busy;
276	})->prio (Coro::PRIO_MAX);	528	})->prio (Coro::PRIO_MAX);
277		529
278	while ($busy) {	530	while ($busy) {
279	Coro::cede or Event::one_event;	531	if (Coro::nready) {
		532	Coro::cede_notself;
		533	} else {
		534	EV::loop EV::LOOP_ONESHOT;
280	}	535	}
		536	}
		537
		538	my $time = AE::time - $time;
		539
		540	$TICK_START += $time; # do not account sync jobs to server load
281		541
282	wantarray ? @res : $res[0]	542	wantarray ? @res : $res[0]
283	} else {	543	} else {
284	# we are in another coroutine, how wonderful, everything just works	544	# we are in another coroutine, how wonderful, everything just works
285		545
…		…
287	}	547	}
288	}	548	}
289		549
290	=item $coro = cf::async_ext { BLOCK }	550	=item $coro = cf::async_ext { BLOCK }
291		551
292	Like async, but this coro is automcatially being canceled when the	552	Like async, but this coro is automatically being canceled when the
293	extension calling this is being unloaded.	553	extension calling this is being unloaded.
294		554
295	=cut	555	=cut
296		556
297	sub async_ext(&) {	557	sub async_ext(&) {
…		…
305	$EXT_CORO{$coro+0} = $coro;	565	$EXT_CORO{$coro+0} = $coro;
306		566
307	$coro	567	$coro
308	}	568	}
309		569
310	sub write_runtime {	570	=item fork_call { }, $args
311	my $runtime = cf::localdir . "/runtime";
312		571
313	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	572	Executes the given code block with the given arguments in a seperate
314	or return;	573	process, returning the results. Everything must be serialisable with
		574	Coro::Storable. May, of course, block. Note that the executed sub may
		575	never block itself or use any form of event handling.
315		576
316	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	577	=cut
317	(aio_write $fh, 0, (length $value), $value, 0) <= 0
318	and return;
319		578
320	aio_fsync $fh	579	sub fork_call(&@) {
321	and return;	580	my ($cb, @args) = @_;
322		581
323	close $fh	582	# we seemingly have to make a local copy of the whole thing,
324	or return;	583	# otherwise perl prematurely frees the stuff :/
		584	# TODO: investigate and fix (likely this will be rather laborious)
325		585
326	aio_rename "$runtime~", $runtime	586	my @res = Coro::Util::fork_eval {
327	and return;	587	reset_signals;
		588	&$cb
		589	}, @args;
328		590
		591	wantarray ? @res : $res[-1]
		592	}
		593
		594	sub objinfo {
329	1	595	(
		596	"counter value" => cf::object::object_count,
		597	"objects created" => cf::object::create_count,
		598	"objects destroyed" => cf::object::destroy_count,
		599	"freelist size" => cf::object::free_count,
		600	"allocated objects" => cf::object::objects_size,
		601	"active objects" => cf::object::actives_size,
		602	)
		603	}
		604
		605	=item $coin = coin_from_name $name
		606
		607	=cut
		608
		609	our %coin_alias = (
		610	"silver" => "silvercoin",
		611	"silvercoin" => "silvercoin",
		612	"silvercoins" => "silvercoin",
		613	"gold" => "goldcoin",
		614	"goldcoin" => "goldcoin",
		615	"goldcoins" => "goldcoin",
		616	"platinum" => "platinacoin",
		617	"platinumcoin" => "platinacoin",
		618	"platinumcoins" => "platinacoin",
		619	"platina" => "platinacoin",
		620	"platinacoin" => "platinacoin",
		621	"platinacoins" => "platinacoin",
		622	"royalty" => "royalty",
		623	"royalties" => "royalty",
		624	);
		625
		626	sub coin_from_name($) {
		627	$coin_alias{$_[0]}
		628	? cf::arch::find $coin_alias{$_[0]}
		629	: undef
		630	}
		631
		632	=item $value = cf::db_get $family => $key
		633
		634	Returns a single value from the environment database.
		635
		636	=item cf::db_put $family => $key => $value
		637
		638	Stores the given C<$value> in the family. It can currently store binary
		639	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		640
		641	=item $db = cf::db_table "name"
		642
		643	Create and/or open a new database table. The string must not be "db" and must be unique
		644	within each server.
		645
		646	=cut
		647
		648	sub db_table($) {
		649	my ($name) = @_;
		650	my $db = BDB::db_create $DB_ENV;
		651
		652	eval {
		653	$db->set_flags (BDB::CHKSUM);
		654
		655	utf8::encode $name;
		656	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		657	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		658	cf::cleanup "db_open(db): $!" if $!;
		659	};
		660	cf::cleanup "db_open(db): $@" if $@;
		661
		662	$db
		663	}
		664
		665	our $DB;
		666
		667	sub db_init {
		668	cf::sync_job {
		669	$DB ||= db_table "db";
		670	};
		671	}
		672
		673	sub db_get($$) {
		674	my $key = "$_[0]/$_[1]";
		675
		676	cf::sync_job {
		677	BDB::db_get $DB, undef, $key, my $data;
		678
		679	$! ? ()
		680	: $data
		681	}
		682	}
		683
		684	sub db_put($$$) {
		685	BDB::dbreq_pri 4;
		686	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		687	}
		688
		689	=item cf::cache $id => [$paths...], $processversion => $process
		690
		691	Generic caching function that returns the value of the resource $id,
		692	caching and regenerating as required.
		693
		694	This function can block.
		695
		696	=cut
		697
		698	sub cache {
		699	my ($id, $src, $processversion, $process) = @_;
		700
		701	my $meta =
		702	join "\x00",
		703	$processversion,
		704	map {
		705	aio_stat $_
		706	and Carp::croak "$_: $!";
		707
		708	($_, (stat _)[7,9])
		709	} @$src;
		710
		711	my $dbmeta = db_get cache => "$id/meta";
		712	if ($dbmeta ne $meta) {
		713	# changed, we may need to process
		714
		715	my @data;
		716	my $md5;
		717
		718	for (0 .. $#$src) {
		719	0 <= aio_load $src->[$_], $data[$_]
		720	or Carp::croak "$src->[$_]: $!";
		721	}
		722
		723	# if processing is expensive, check
		724	# checksum first
		725	if (1) {
		726	$md5 =
		727	join "\x00",
		728	$processversion,
		729	map {
		730	cf::cede_to_tick;
		731	($src->[$_], Digest::MD5::md5_hex $data[$_])
		732	} 0.. $#$src;
		733
		734
		735	my $dbmd5 = db_get cache => "$id/md5";
		736	if ($dbmd5 eq $md5) {
		737	db_put cache => "$id/meta", $meta;
		738
		739	return db_get cache => "$id/data";
		740	}
		741	}
		742
		743	my $t1 = Time::HiRes::time;
		744	my $data = $process->(\@data);
		745	my $t2 = Time::HiRes::time;
		746
		747	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		748
		749	db_put cache => "$id/data", $data;
		750	db_put cache => "$id/md5" , $md5;
		751	db_put cache => "$id/meta", $meta;
		752
		753	return $data;
		754	}
		755
		756	db_get cache => "$id/data"
		757	}
		758
		759	=item cf::datalog type => key => value, ...
		760
		761	Log a datalog packet of the given type with the given key-value pairs.
		762
		763	=cut
		764
		765	sub datalog($@) {
		766	my ($type, %kv) = @_;
		767	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
330	}	768	}
331		769
332	=back	770	=back
333		771
334	=cut	772	=cut
335		773
336	#############################################################################	774	#############################################################################
337		775
338	package cf::path;
339
340	sub new {
341	my ($class, $path, $base) = @_;
342
343	$path = $path->as_string if ref $path;
344
345	my $self = bless { }, $class;
346
347	# {... are special paths that are not touched
348	# ?xxx/... are special absolute paths
349	# ?random/... random maps
350	# /! non-realised random map exit
351	# /... normal maps
352	# ~/... per-player maps without a specific player (DO NOT USE)
353	# ~user/... per-player map of a specific user
354
355	if ($path =~ /^{/) {
356	# fine as it is
357	} elsif ($path =~ s{^\?random/}{}) {
358	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
359	$self->{random} = cf::from_json $data;
360	} else {
361	if ($path =~ s{^~([^/]+)?}{}) {
362	$self->{user_rel} = 1;
363
364	if (defined $1) {
365	$self->{user} = $1;
366	} elsif ($base =~ m{^~([^/]+)/}) {
367	$self->{user} = $1;
368	} else {
369	warn "cannot resolve user-relative path without user <$path,$base>\n";
370	}
371	} elsif ($path =~ /^\//) {
372	# already absolute
373	} else {
374	$base =~ s{[^/]+/?$}{};
375	return $class->new ("$base/$path");
376	}
377
378	for ($path) {
379	redo if s{/\.?/}{/};
380	redo if s{/[^/]+/\.\./}{/};
381	}
382	}
383
384	$self->{path} = $path;
385
386	$self
387	}
388
389	# the name / primary key / in-game path
390	sub as_string {
391	my ($self) = @_;
392
393	$self->{user_rel} ? "~$self->{user}$self->{path}"
394	: $self->{random} ? "?random/$self->{path}"
395	: $self->{path}
396	}
397
398	# the displayed name, this is a one way mapping
399	sub visible_name {
400	my ($self) = @_;
401
402	# if (my $rmp = $self->{random}) {
403	# # todo: be more intelligent about this
404	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
405	# } else {
406	$self->as_string
407	# }
408	}
409
410	# escape the /'s in the path
411	sub _escaped_path {
412	# ∕ is U+2215
413	(my $path = $_[0]{path}) =~ s/\//∕/g;
414	$path
415	}
416
417	# the original (read-only) location
418	sub load_path {
419	my ($self) = @_;
420
421	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
422	}
423
424	# the temporary/swap location
425	sub save_path {
426	my ($self) = @_;
427
428	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
429	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
430	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
431	}
432
433	# the unique path, might be eq to save_path
434	sub uniq_path {
435	my ($self) = @_;
436
437	$self->{user_rel} || $self->{random}
438	? undef
439	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
440	}
441
442	# return random map parameters, or undef
443	sub random_map_params {
444	my ($self) = @_;
445
446	$self->{random}
447	}
448
449	# this is somewhat ugly, but style maps do need special treatment
450	sub is_style_map {
451	$_[0]{path} =~ m{^/styles/}
452	}
453
454	package cf;
455
456	#############################################################################
457
458	=head2 ATTACHABLE OBJECTS	776	=head2 ATTACHABLE OBJECTS
459		777
460	Many objects in crossfire are so-called attachable objects. That means you can	778	Many objects in deliantra are so-called attachable objects. That means you can
461	attach callbacks/event handlers (a collection of which is called an "attachment")	779	attach callbacks/event handlers (a collection of which is called an "attachment")
462	to it. All such attachable objects support the following methods.	780	to it. All such attachable objects support the following methods.
463		781
464	In the following description, CLASS can be any of C<global>, C<object>	782	In the following description, CLASS can be any of C<global>, C<object>
465	C<player>, C<client> or C<map> (i.e. the attachable objects in	783	C<player>, C<client> or C<map> (i.e. the attachable objects in
466	crossfire+).	784	Deliantra).
467		785
468	=over 4	786	=over 4
469		787
470	=item $attachable->attach ($attachment, key => $value...)	788	=item $attachable->attach ($attachment, key => $value...)
471		789
…		…
515	=item cf::CLASS::attachment $name, ...	833	=item cf::CLASS::attachment $name, ...
516		834
517	Register an attachment by C<$name> through which attachable objects of the	835	Register an attachment by C<$name> through which attachable objects of the
518	given CLASS can refer to this attachment.	836	given CLASS can refer to this attachment.
519		837
520	Some classes such as crossfire maps and objects can specify attachments	838	Some classes such as deliantra maps and objects can specify attachments
521	that are attached at load/instantiate time, thus the need for a name.	839	that are attached at load/instantiate time, thus the need for a name.
522		840
523	These calls expect any number of the following handler/hook descriptions:	841	These calls expect any number of the following handler/hook descriptions:
524		842
525	=over 4	843	=over 4
…		…
585	our @CB_TYPE = (); # registry for type (cf-object class) based events	903	our @CB_TYPE = (); # registry for type (cf-object class) based events
586	our @CB_MAP = ();	904	our @CB_MAP = ();
587		905
588	my %attachment;	906	my %attachment;
589		907
		908	sub cf::attachable::thawer_merge {
		909	# simply override everything except _meta
		910	local $_[0]{_meta};
		911	%{$_[0]} = %{$_[1]};
		912	}
		913
590	sub _attach_cb($$$$) {	914	sub _attach_cb($$$$) {
591	my ($registry, $event, $prio, $cb) = @_;	915	my ($registry, $event, $prio, $cb) = @_;
592		916
593	use sort 'stable';	917	use sort 'stable';
594		918
…		…
628	$registry = $CB_TYPE[$object_type] ||= [];	952	$registry = $CB_TYPE[$object_type] ||= [];
629		953
630	} elsif ($type eq "subtype") {	954	} elsif ($type eq "subtype") {
631	defined $object_type or Carp::croak "subtype specified without type";	955	defined $object_type or Carp::croak "subtype specified without type";
632	my $object_subtype = shift @arg;	956	my $object_subtype = shift @arg;
633	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	957	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
634		958
635	} elsif ($type eq "package") {	959	} elsif ($type eq "package") {
636	my $pkg = shift @arg;	960	my $pkg = shift @arg;
637		961
638	while (my ($name, $id) = each %cb_id) {	962	while (my ($name, $id) = each %cb_id) {
…		…
667	_attach $registry, $klass, @attach;	991	_attach $registry, $klass, @attach;
668	}	992	}
669		993
670	$obj->{$name} = \%arg;	994	$obj->{$name} = \%arg;
671	} else {	995	} else {
672	warn "object uses attachment '$name' that is not available, postponing.\n";	996	warn "object uses attachment '$name' which is not available, postponing.\n";
673	}	997	}
674		998
675	$obj->{_attachment}{$name} = undef;	999	$obj->{_attachment}{$name} = undef;
676	}	1000	}
677		1001
…		…
679	if (ref $_[0]) {	1003	if (ref $_[0]) {
680	_object_attach @_;	1004	_object_attach @_;
681	} else {	1005	} else {
682	_attach shift->_attach_registry, @_;	1006	_attach shift->_attach_registry, @_;
683	}	1007	}
		1008	_recalc_want;
684	};	1009	};
685		1010
686	# all those should be optimised	1011	# all those should be optimised
687	sub cf::attachable::detach {	1012	sub cf::attachable::detach {
688	my ($obj, $name) = @_;	1013	my ($obj, $name) = @_;
…		…
691	delete $obj->{_attachment}{$name};	1016	delete $obj->{_attachment}{$name};
692	reattach ($obj);	1017	reattach ($obj);
693	} else {	1018	} else {
694	Carp::croak "cannot, currently, detach class attachments";	1019	Carp::croak "cannot, currently, detach class attachments";
695	}	1020	}
		1021	_recalc_want;
696	};	1022	};
697		1023
698	sub cf::attachable::attached {	1024	sub cf::attachable::attached {
699	my ($obj, $name) = @_;	1025	my ($obj, $name) = @_;
700		1026
…		…
715	";	1041	";
716	die if $@;	1042	die if $@;
717	}	1043	}
718		1044
719	our $override;	1045	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1046	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		1047
722	sub override {	1048	sub override {
723	$override = 1;	1049	$override = 1;
724	@invoke_results = ();	1050	@INVOKE_RESULTS = (@_);
725	}	1051	}
726		1052
727	sub do_invoke {	1053	sub do_invoke {
728	my $event = shift;	1054	my $event = shift;
729	my $callbacks = shift;	1055	my $callbacks = shift;
730		1056
731	@invoke_results = ();	1057	@INVOKE_RESULTS = ();
732		1058
733	local $override;	1059	local $override;
734		1060
735	for (@$callbacks) {	1061	for (@$callbacks) {
736	eval { &{$_->[1]} };	1062	eval { &{$_->[1]} };
…		…
745	}	1071	}
746		1072
747	0	1073	0
748	}	1074	}
749		1075
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1076	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1077
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1078	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1079
754	Generate an object-specific event with the given arguments.	1080	Generate an object-specific event with the given arguments.
755		1081
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1082	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757	removed in future versions), and there is no public API to access override	1083	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1084	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1085
760	=back	1086	=back
761		1087
762	=cut	1088	=cut
763		1089
764	#############################################################################	1090	#############################################################################
765	# object support	1091	# object support
		1092
		1093	sub _object_equal($$);
		1094	sub _object_equal($$) {
		1095	my ($a, $b) = @_;
		1096
		1097	return 0 unless (ref $a) eq (ref $b);
		1098
		1099	if ("HASH" eq ref $a) {
		1100	my @ka = keys %$a;
		1101	my @kb = keys %$b;
		1102
		1103	return 0 if @ka != @kb;
		1104
		1105	for (0 .. $#ka) {
		1106	return 0 unless $ka[$_] eq $kb[$_];
		1107	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1108	}
		1109
		1110	} elsif ("ARRAY" eq ref $a) {
		1111
		1112	return 0 if @$a != @$b;
		1113
		1114	for (0 .. $#$a) {
		1115	return 0 unless _object_equal $a->[$_], $b->[$_];
		1116	}
		1117
		1118	} elsif ($a ne $b) {
		1119	return 0;
		1120	}
		1121
		1122	1
		1123	}
		1124
		1125	our $SLOW_MERGES;#d#
		1126	sub _can_merge {
		1127	my ($ob1, $ob2) = @_;
		1128
		1129	++$SLOW_MERGES;#d#
		1130
		1131	# we do the slow way here
		1132	return _object_equal $ob1, $ob2
		1133	}
766		1134
767	sub reattach {	1135	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1136	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1137	my ($obj) = @_;
		1138
		1139	# no longer needed after getting rid of delete_package?
		1140	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
770		1141
771	my $registry = $obj->registry;	1142	my $registry = $obj->registry;
772		1143
773	@$registry = ();	1144	@$registry = ();
774		1145
…		…
789	cf::attachable->attach (	1160	cf::attachable->attach (
790	prio => -1000000,	1161	prio => -1000000,
791	on_instantiate => sub {	1162	on_instantiate => sub {
792	my ($obj, $data) = @_;	1163	my ($obj, $data) = @_;
793		1164
794	$data = from_json $data;	1165	$data = decode_json $data;
795		1166
796	for (@$data) {	1167	for (@$data) {
797	my ($name, $args) = @$_;	1168	my ($name, $args) = @$_;
798		1169
799	$obj->attach ($name, %{$args || {} });	1170	$obj->attach ($name, %{$args || {} });
…		…
815	sub object_freezer_save {	1186	sub object_freezer_save {
816	my ($filename, $rdata, $objs) = @_;	1187	my ($filename, $rdata, $objs) = @_;
817		1188
818	sync_job {	1189	sync_job {
819	if (length $$rdata) {	1190	if (length $$rdata) {
		1191	utf8::decode (my $decname = $filename);
820	warn sprintf "saving %s (%d,%d)\n",	1192	warn sprintf "saving %s (%d,%d)\n",
821	$filename, length $$rdata, scalar @$objs;	1193	$decname, length $$rdata, scalar @$objs;
822		1194
823	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1195	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
824	chmod SAVE_MODE, $fh;	1196	aio_chmod $fh, SAVE_MODE;
825	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1197	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1198	if ($cf::USE_FSYNC) {
		1199	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;
826	aio_fsync $fh;	1200	aio_fsync $fh;
		1201	}
827	close $fh;	1202	aio_close $fh;
828		1203
829	if (@$objs) {	1204	if (@$objs) {
830	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1205	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
831	chmod SAVE_MODE, $fh;	1206	aio_chmod $fh, SAVE_MODE;
832	my $data = Storable::nfreeze { version => 1, objs => $objs };	1207	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
833	aio_write $fh, 0, (length $data), $data, 0;	1208	aio_write $fh, 0, (length $data), $data, 0;
		1209	if ($cf::USE_FSYNC) {
		1210	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;
834	aio_fsync $fh;	1211	aio_fsync $fh;
		1212	}
835	close $fh;	1213	aio_close $fh;
836	aio_rename "$filename.pst~", "$filename.pst";	1214	aio_rename "$filename.pst~", "$filename.pst";
837	}	1215	}
838	} else {	1216	} else {
839	aio_unlink "$filename.pst";	1217	aio_unlink "$filename.pst";
840	}	1218	}
841		1219
842	aio_rename "$filename~", $filename;	1220	aio_rename "$filename~", $filename;
		1221
		1222	$filename =~ s%/[^/]+$%%;
		1223	aio_pathsync $filename if $cf::USE_FSYNC;
843	} else {	1224	} else {
844	warn "FATAL: $filename~: $!\n";	1225	warn "unable to save objects: $filename~: $!\n";
845	}	1226	}
846	} else {	1227	} else {
847	aio_unlink $filename;	1228	aio_unlink $filename;
848	aio_unlink "$filename.pst";	1229	aio_unlink "$filename.pst";
849	}	1230	}
850	}	1231	};
851	}	1232	}
852		1233
853	sub object_freezer_as_string {	1234	sub object_freezer_as_string {
854	my ($rdata, $objs) = @_;	1235	my ($rdata, $objs) = @_;
855		1236
…		…
867	or return;	1248	or return;
868		1249
869	unless (aio_stat "$filename.pst") {	1250	unless (aio_stat "$filename.pst") {
870	(aio_load "$filename.pst", $av) >= 0	1251	(aio_load "$filename.pst", $av) >= 0
871	or return;	1252	or return;
		1253
872	$av = eval { (Storable::thaw $av)->{objs} };	1254	my $st = eval { Coro::Storable::thaw $av };
		1255	$av = $st->{objs};
873	}	1256	}
874		1257
		1258	utf8::decode (my $decname = $filename);
875	warn sprintf "loading %s (%d)\n",	1259	warn sprintf "loading %s (%d,%d)\n",
876	$filename, length $data, scalar @{$av || []};#d#	1260	$decname, length $data, scalar @{$av || []};
		1261
877	return ($data, $av);	1262	($data, $av)
878	}	1263	}
		1264
		1265	=head2 COMMAND CALLBACKS
		1266
		1267	=over 4
		1268
		1269	=cut
879		1270
880	#############################################################################	1271	#############################################################################
881	# command handling &c	1272	# command handling &c
882		1273
883	=item cf::register_command $name => \&callback($ob,$args);	1274	=item cf::register_command $name => \&callback($ob,$args);
…		…
896	push @{ $COMMAND{$name} }, [$caller, $cb];	1287	push @{ $COMMAND{$name} }, [$caller, $cb];
897	}	1288	}
898		1289
899	=item cf::register_extcmd $name => \&callback($pl,$packet);	1290	=item cf::register_extcmd $name => \&callback($pl,$packet);
900		1291
901	Register a callbackf ro execution when the client sends an extcmd packet.	1292	Register a callback for execution when the client sends an (synchronous)
		1293	extcmd packet. Ext commands will be processed in the order they are
		1294	received by the server, like other user commands. The first argument is
		1295	the logged-in player. Ext commands can only be processed after a player
		1296	has logged in successfully.
902		1297
903	If the callback returns something, it is sent back as if reply was being	1298	If the callback returns something, it is sent back as if reply was being
904	called.	1299	called.
905		1300
		1301	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1302
		1303	Register a callback for execution when the client sends an (asynchronous)
		1304	exticmd packet. Exti commands are processed by the server as soon as they
		1305	are received, i.e. out of order w.r.t. other commands. The first argument
		1306	is a client socket. Exti commands can be received anytime, even before
		1307	log-in.
		1308
		1309	If the callback returns something, it is sent back as if reply was being
		1310	called.
		1311
906	=cut	1312	=cut
907		1313
908	sub register_extcmd {	1314	sub register_extcmd {
909	my ($name, $cb) = @_;	1315	my ($name, $cb) = @_;
910		1316
911	my $caller = caller;
912	#warn "registering extcmd '$name' to '$caller'";
913
914	$EXTCMD{$name} = [$cb, $caller];	1317	$EXTCMD{$name} = $cb;
915	}	1318	}
		1319
		1320	sub register_exticmd {
		1321	my ($name, $cb) = @_;
		1322
		1323	$EXTICMD{$name} = $cb;
		1324	}
		1325
		1326	use File::Glob ();
916		1327
917	cf::player->attach (	1328	cf::player->attach (
918	on_command => sub {	1329	on_unknown_command => sub {
919	my ($pl, $name, $params) = @_;	1330	my ($pl, $name, $params) = @_;
920		1331
921	my $cb = $COMMAND{$name}	1332	my $cb = $COMMAND{$name}
922	or return;	1333	or return;
923		1334
…		…
928	cf::override;	1339	cf::override;
929	},	1340	},
930	on_extcmd => sub {	1341	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1342	my ($pl, $buf) = @_;
932		1343
933	my $msg = eval { from_json $buf };	1344	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1345
935	if (ref $msg) {	1346	if (ref $msg) {
		1347	my ($type, $reply, @payload) =
		1348	"ARRAY" eq ref $msg
		1349	? @$msg
		1350	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1351
		1352	my @reply;
		1353
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1354	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->[0]->($pl, $msg)) {	1355	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1356	}
		1357
		1358	$pl->ext_reply ($reply, @reply)
		1359	if $reply;
		1360
941	} else {	1361	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1362	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1363	}
944		1364
945	cf::override;	1365	cf::override;
946	},	1366	},
947	);	1367	);
948		1368
949	sub register {	1369	# "readahead" all extensions
950	my ($base, $pkg) = @_;
951
952	#TODO
953	}
954
955	sub load_extension {	1370	sub cache_extensions {
956	my ($path) = @_;	1371	my $grp = IO::AIO::aio_group;
957		1372
958	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1373	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
959	my $base = $1;	1374	for (grep /\.ext$/, @{$_[0]}) {
960	my $pkg = $1;	1375	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
961	$pkg =~ s/[^[:word:]]/_/g;
962	$pkg = "ext::$pkg";
963
964	warn "loading '$path' into '$pkg'\n";
965
966	open my $fh, "<:utf8", $path
967	or die "$path: $!";
968
969	my $source =
970	"package $pkg; use strict; use utf8;\n"
971	. "#line 1 \"$path\"\n{\n"
972	. (do { local $/; <$fh> })
973	. "\n};\n1";
974
975	eval $source
976	or die $@ ? "$path: $@\n"
977	: "extension disabled.\n";
978
979	push @exts, $pkg;
980	$ext_pkg{$base} = $pkg;
981
982	# no strict 'refs';
983	# @{"$pkg\::ISA"} = ext::;
984
985	register $base, $pkg;
986	}
987
988	sub unload_extension {
989	my ($pkg) = @_;
990
991	warn "removing extension $pkg\n";
992
993	# remove hooks
994	#TODO
995	# for my $idx (0 .. $#PLUGIN_EVENT) {
996	# delete $hook[$idx]{$pkg};
997	# }
998
999	# remove commands
1000	for my $name (keys %COMMAND) {
1001	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1002
1003	if (@cb) {
1004	$COMMAND{$name} = \@cb;
1005	} else {
1006	delete $COMMAND{$name};
1007	}	1376	}
1008	}	1377	};
1009		1378
1010	# remove extcmds	1379	$grp
1011	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1012	delete $EXTCMD{$name};
1013	}
1014
1015	if (my $cb = $pkg->can ("unload")) {
1016	eval {
1017	$cb->($pkg);
1018	1
1019	} or warn "$pkg unloaded, but with errors: $@";
1020	}
1021
1022	Symbol::delete_package $pkg;
1023	}	1380	}
1024		1381
1025	sub load_extensions {	1382	sub load_extensions {
		1383	cf::sync_job {
		1384	my %todo;
		1385
1026	for my $ext (<$LIBDIR/*.ext>) {	1386	for my $path (<$LIBDIR/*.ext>) {
1027	next unless -r $ext;	1387	next unless -r $path;
1028	eval {	1388
1029	load_extension $ext;	1389	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1390	my $base = $1;
		1391	my $pkg = $1;
		1392	$pkg =~ s/[^[:word:]]/_/g;
		1393	$pkg = "ext::$pkg";
		1394
		1395	open my $fh, "<:utf8", $path
		1396	or die "$path: $!";
		1397
		1398	my $source = do { local $/; <$fh> };
		1399
		1400	my %ext = (
		1401	path => $path,
		1402	base => $base,
		1403	pkg => $pkg,
		1404	);
		1405
		1406	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1407	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1408
		1409	$ext{source} =
		1410	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1411	. "#line 1 \"$path\"\n{\n"
		1412	. $source
		1413	. "\n};\n1";
		1414
		1415	$todo{$base} = \%ext;
		1416	}
		1417
		1418	my $pass = 0;
		1419	my %done;
		1420	while (%todo) {
		1421	my $progress;
		1422
		1423	++$pass;
		1424
		1425	ext:
		1426	while (my ($k, $v) = each %todo) {
		1427	for (split /,\s*/, $v->{meta}{depends}) {
		1428	next ext
		1429	unless exists $done{$_};
		1430	}
		1431
		1432	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1433
		1434	my $active = eval $v->{source};
		1435
		1436	if (length $@) {
		1437	warn "$v->{path}: $@\n";
		1438
		1439	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1440	if exists $v->{meta}{mandatory};
		1441	} else {
		1442	$done{$k} = delete $todo{$k};
		1443	push @EXTS, $v->{pkg};
		1444	$progress = 1;
		1445
		1446	warn "$v->{base}: extension inactive.\n"
		1447	unless $active;
		1448	}
1030	1	1449	}
1031	} or warn "$ext not loaded: $@";	1450
		1451	unless ($progress) {
		1452	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1453
		1454	while (my ($k, $v) = each %todo) {
		1455	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1456	if exists $v->{meta}{mandatory};
		1457	}
		1458	}
		1459	}
1032	}	1460	};
1033	}	1461	}
1034		1462
1035	#############################################################################	1463	#############################################################################
1036	# load/save/clean perl data associated with a map
1037		1464
1038	*cf::mapsupport::on_clean = sub {	1465	=back
1039	my ($map) = @_;
1040
1041	my $path = $map->tmpname;
1042	defined $path or return;
1043
1044	unlink "$path.pst";
1045	};
1046
1047	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1048
1049	#############################################################################
1050	# load/save perl data associated with player->ob objects
1051
1052	sub all_objects(@) {
1053	@_, map all_objects ($_->inv), @_
1054	}
1055
1056	# TODO: compatibility cruft, remove when no longer needed
1057	cf::player->attach (
1058	on_load => sub {
1059	my ($pl, $path) = @_;
1060
1061	for my $o (all_objects $pl->ob) {
1062	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1063	$o->set_ob_key_value ("_perl_data");
1064
1065	%$o = %{ Storable::thaw pack "H*", $value };
1066	}
1067	}
1068	},
1069	);
1070
1071	#############################################################################
1072		1466
1073	=head2 CORE EXTENSIONS	1467	=head2 CORE EXTENSIONS
1074		1468
1075	Functions and methods that extend core crossfire objects.	1469	Functions and methods that extend core deliantra objects.
1076		1470
1077	=cut	1471	=cut
1078		1472
1079	package cf::player;	1473	package cf::player;
1080		1474
		1475	use Coro::AIO;
		1476
1081	=head3 cf::player	1477	=head3 cf::player
1082		1478
1083	=over 4	1479	=over 4
1084		1480
		1481	=item cf::player::num_playing
		1482
		1483	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1484
		1485	=cut
		1486
		1487	sub num_playing {
		1488	scalar grep
		1489	$_->ob->map
		1490	&& !$_->hidden
		1491	&& !$_->ob->flag (cf::FLAG_WIZ),
		1492	cf::player::list
		1493	}
		1494
1085	=item cf::player::find $login	1495	=item cf::player::find $login
1086		1496
1087	Returns the given player object, loading it if necessary (might block).	1497	Returns the given player object, loading it if necessary (might block).
1088		1498
1089	=cut	1499	=cut
1090		1500
		1501	sub playerdir($) {
		1502	"$PLAYERDIR/"
		1503	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		1504	}
		1505
1091	sub path($) {	1506	sub path($) {
1092	sprintf "%s/%s/%s/%s.pl",	1507	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1093	cf::localdir, cf::playerdir,	1508
1094	(ref $_[0] ? $_[0]->ob->name : $_[0]) x 2	1509	(playerdir $login) . "/playerdata"
1095	}	1510	}
1096		1511
1097	sub find_active($) {	1512	sub find_active($) {
1098	$cf::PLAYER{$_[0]}	1513	$cf::PLAYER{$_[0]}
1099	and $cf::PLAYER{$_[0]}->active	1514	and $cf::PLAYER{$_[0]}->active
…		…
1102		1517
1103	sub exists($) {	1518	sub exists($) {
1104	my ($login) = @_;	1519	my ($login) = @_;
1105		1520
1106	$cf::PLAYER{$login}	1521	$cf::PLAYER{$login}
1107	or cf::sync_job { !aio_stat $login }	1522	or !aio_stat path $login
1108	}	1523	}
1109		1524
1110	sub find($) {	1525	sub find($) {
1111	return $cf::PLAYER{$_[0]} || do {	1526	return $cf::PLAYER{$_[0]} || do {
1112	my $login = $_[0];	1527	my $login = $_[0];
1113		1528
1114	my $guard = cf::lock_acquire "user_find:$login";	1529	my $guard = cf::lock_acquire "user_find:$login";
1115		1530
1116	$cf::PLAYER{$login} ||= (load_pl path $login or return);	1531	$cf::PLAYER{$_[0]} || do {
		1532	# rename old playerfiles to new ones
		1533	#TODO: remove when no longer required
		1534	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1535	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1536	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1537	aio_unlink +(playerdir $login) . "/$login.pl";
		1538
		1539	my $f = new_from_file cf::object::thawer path $login
		1540	or return;
		1541
		1542	my $pl = cf::player::load_pl $f
		1543	or return;
		1544
		1545	local $cf::PLAYER_LOADING{$login} = $pl;
		1546	$f->resolve_delayed_derefs;
		1547	$cf::PLAYER{$login} = $pl
		1548	}
1117	};	1549	}
1118	}	1550	}
		1551
		1552	cf::player->attach (
		1553	on_load => sub {
		1554	my ($pl, $path) = @_;
		1555
		1556	# restore slots saved in save, below
		1557	my $slots = delete $pl->{_slots};
		1558
		1559	$pl->ob->current_weapon ($slots->[0]);
		1560	$pl->combat_ob ($slots->[1]);
		1561	$pl->ranged_ob ($slots->[2]);
		1562	},
		1563	);
1119		1564
1120	sub save($) {	1565	sub save($) {
1121	my ($pl) = @_;	1566	my ($pl) = @_;
1122		1567
1123	return if $pl->{deny_save};	1568	return if $pl->{deny_save};
1124		1569
1125	my $path = path $pl;	1570	my $path = path $pl;
1126	my $guard = cf::lock_acquire "user_save:$path";	1571	my $guard = cf::lock_acquire "user_save:$path";
1127		1572
1128	return if $pl->{deny_save};	1573	return if $pl->{deny_save};
		1574
		1575	aio_mkdir playerdir $pl, 0770;
1129	$pl->{last_save} = $cf::RUNTIME;	1576	$pl->{last_save} = $cf::RUNTIME;
1130		1577
1131	Coro::cede;	1578	cf::get_slot 0.01;
		1579
		1580	# save slots, to be restored later
		1581	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1582
1132	$pl->save_pl ($path);	1583	$pl->save_pl ($path);
1133	Coro::cede;	1584	cf::cede_to_tick;
1134	}	1585	}
1135		1586
1136	sub new($) {	1587	sub new($) {
1137	my ($login) = @_;	1588	my ($login) = @_;
1138		1589
…		…
1144	$cf::PLAYER{$login} = $self;	1595	$cf::PLAYER{$login} = $self;
1145		1596
1146	$self	1597	$self
1147	}	1598	}
1148		1599
		1600	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1601
		1602	=cut
		1603
		1604	sub send_msg {
		1605	my $ns = shift->ns
		1606	or return;
		1607	$ns->send_msg (@_);
		1608	}
		1609
		1610	=item $pl->quit_character
		1611
		1612	Nukes the player without looking back. If logged in, the connection will
		1613	be destroyed. May block for a long time.
		1614
		1615	=cut
		1616
		1617	sub quit_character {
		1618	my ($pl) = @_;
		1619
		1620	my $name = $pl->ob->name;
		1621
		1622	$pl->{deny_save} = 1;
		1623	$pl->password ("*"); # this should lock out the player until we have nuked the dir
		1624
		1625	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1626	$pl->deactivate;
		1627	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1628	$pl->ob->check_score;
		1629	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1630	$pl->ns->destroy if $pl->ns;
		1631
		1632	my $path = playerdir $pl;
		1633	my $temp = "$path~$cf::RUNTIME~deleting~";
		1634	aio_rename $path, $temp;
		1635	delete $cf::PLAYER{$pl->ob->name};
		1636	$pl->destroy;
		1637
		1638	my $prefix = qr<^~\Q$name\E/>;
		1639
		1640	# nuke player maps
		1641	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1642
		1643	IO::AIO::aio_rmtree $temp;
		1644	}
		1645
		1646	=item $pl->kick
		1647
		1648	Kicks a player out of the game. This destroys the connection.
		1649
		1650	=cut
		1651
		1652	sub kick {
		1653	my ($pl, $kicker) = @_;
		1654
		1655	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1656	$pl->killer ("kicked");
		1657	$pl->ns->destroy;
		1658	}
		1659
		1660	=item cf::player::list_logins
		1661
		1662	Returns am arrayref of all valid playernames in the system, can take a
		1663	while and may block, so not sync_job-capable, ever.
		1664
		1665	=cut
		1666
		1667	sub list_logins {
		1668	my $dirs = aio_readdir $PLAYERDIR
		1669	or return [];
		1670
		1671	my @logins;
		1672
		1673	for my $login (@$dirs) {
		1674	my $path = path $login;
		1675
		1676	# a .pst is a dead give-away for a valid player
		1677	# if no pst file found, open and chekc for blocked users
		1678	if (aio_stat "$path.pst") {
		1679	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
		1680	aio_read $fh, 0, 512, my $buf, 0 or next;
		1681	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1682	}
		1683
		1684	utf8::decode $login;
		1685	push @logins, $login;
		1686	}
		1687
		1688	\@logins
		1689	}
		1690
		1691	=item $player->maps
		1692
		1693	Returns an arrayref of map paths that are private for this
		1694	player. May block.
		1695
		1696	=cut
		1697
		1698	sub maps($) {
		1699	my ($pl) = @_;
		1700
		1701	$pl = ref $pl ? $pl->ob->name : $pl;
		1702
		1703	my $files = aio_readdir playerdir $pl
		1704	or return;
		1705
		1706	my @paths;
		1707
		1708	for (@$files) {
		1709	utf8::decode $_;
		1710	next if /\.(?:pl|pst)$/;
		1711	next unless /^$PATH_SEP/o;
		1712
		1713	push @paths, cf::map::normalise "~$pl/$_";
		1714	}
		1715
		1716	\@paths
		1717	}
		1718
		1719	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1720
		1721	Expand deliantra pod fragments into protocol xml.
		1722
1149	=item $player->ext_reply ($msgid, $msgtype, %msg)	1723	=item $player->ext_reply ($msgid, @msg)
1150		1724
1151	Sends an ext reply to the player.	1725	Sends an ext reply to the player.
1152		1726
1153	=cut	1727	=cut
1154		1728
1155	sub ext_reply($$$%) {	1729	sub ext_reply($$@) {
1156	my ($self, $id, %msg) = @_;	1730	my ($self, $id, @msg) = @_;
1157		1731
1158	$msg{msgid} = $id;	1732	$self->ns->ext_reply ($id, @msg)
1159
1160	$self->send ("ext " . cf::to_json \%msg);
1161	}	1733	}
1162		1734
1163	package cf;	1735	=item $player->ext_msg ($type, @msg)
		1736
		1737	Sends an ext event to the client.
		1738
		1739	=cut
		1740
		1741	sub ext_msg($$@) {
		1742	my ($self, $type, @msg) = @_;
		1743
		1744	$self->ns->ext_msg ($type, @msg);
		1745	}
		1746
		1747	=head3 cf::region
		1748
		1749	=over 4
		1750
		1751	=cut
		1752
		1753	package cf::region;
		1754
		1755	=item cf::region::find_by_path $path
		1756
		1757	Tries to decuce the likely region for a map knowing only its path.
		1758
		1759	=cut
		1760
		1761	sub find_by_path($) {
		1762	my ($path) = @_;
		1763
		1764	my ($match, $specificity);
		1765
		1766	for my $region (list) {
		1767	if ($region->{match} && $path =~ $region->{match}) {
		1768	($match, $specificity) = ($region, $region->specificity)
		1769	if $region->specificity > $specificity;
		1770	}
		1771	}
		1772
		1773	$match
		1774	}
1164		1775
1165	=back	1776	=back
1166
1167		1777
1168	=head3 cf::map	1778	=head3 cf::map
1169		1779
1170	=over 4	1780	=over 4
1171		1781
…		…
1174	package cf::map;	1784	package cf::map;
1175		1785
1176	use Fcntl;	1786	use Fcntl;
1177	use Coro::AIO;	1787	use Coro::AIO;
1178		1788
		1789	use overload
		1790	'""' => \&as_string,
		1791	fallback => 1;
		1792
1179	our $MAX_RESET = 3600;	1793	our $MAX_RESET = 3600;
1180	our $DEFAULT_RESET = 3000;	1794	our $DEFAULT_RESET = 3000;
1181		1795
1182	sub generate_random_map {	1796	sub generate_random_map {
1183	my ($path, $rmp) = @_;	1797	my ($self, $rmp) = @_;
		1798
		1799	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1184		1800
1185	# mit "rum" bekleckern, nicht	1801	# mit "rum" bekleckern, nicht
1186	cf::map::_create_random_map	1802	$self->_create_random_map (
1187	$path,
1188	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1803	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1189	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1804	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1190	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1805	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1191	$rmp->{exit_on_final_map},	1806	$rmp->{exit_on_final_map},
1192	$rmp->{xsize}, $rmp->{ysize},	1807	$rmp->{xsize}, $rmp->{ysize},
1193	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1808	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1194	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1809	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1195	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1810	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1196	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1811	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1197	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1812	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1198	(cf::region::find $rmp->{region})	1813	(cf::region::find $rmp->{region}), $rmp->{custom}
		1814	)
1199	}	1815	}
1200		1816
1201	# and all this just because we cannot iterate over	1817	=item cf::map->register ($regex, $prio)
1202	# all maps in C++...
1203	sub change_all_map_light {
1204	my ($change) = @_;
1205		1818
1206	$_->change_map_light ($change)	1819	Register a handler for the map path matching the given regex at the
1207	for grep $_->outdoor, values %cf::MAP;	1820	givne priority (higher is better, built-in handlers have priority 0, the
1208	}	1821	default).
1209		1822
1210	sub try_load_header($) {	1823	=cut
		1824
		1825	sub register {
		1826	my (undef, $regex, $prio) = @_;
		1827	my $pkg = caller;
		1828
		1829	no strict;
		1830	push @{"$pkg\::ISA"}, __PACKAGE__;
		1831
		1832	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1833	}
		1834
		1835	# also paths starting with '/'
		1836	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1837
		1838	sub thawer_merge {
		1839	my ($self, $merge) = @_;
		1840
		1841	# we have to keep some variables in memory intact
		1842	local $self->{path};
		1843	local $self->{load_path};
		1844
		1845	$self->SUPER::thawer_merge ($merge);
		1846	}
		1847
		1848	sub normalise {
1211	my ($path) = @_;	1849	my ($path, $base) = @_;
		1850
		1851	$path = "$path"; # make sure its a string
		1852
		1853	$path =~ s/\.map$//;
		1854
		1855	# map plan:
		1856	#
		1857	# /! non-realised random map exit (special hack!)
		1858	# {... are special paths that are not being touched
		1859	# ?xxx/... are special absolute paths
		1860	# ?random/... random maps
		1861	# /... normal maps
		1862	# ~user/... per-player map of a specific user
		1863
		1864	$path =~ s/$PATH_SEP/\//go;
		1865
		1866	# treat it as relative path if it starts with
		1867	# something that looks reasonable
		1868	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1869	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1870
		1871	$base =~ s{[^/]+/?$}{};
		1872	$path = "$base/$path";
		1873	}
		1874
		1875	for ($path) {
		1876	redo if s{//}{/};
		1877	redo if s{/\.?/}{/};
		1878	redo if s{/[^/]+/\.\./}{/};
		1879	}
		1880
		1881	$path
		1882	}
		1883
		1884	sub new_from_path {
		1885	my (undef, $path, $base) = @_;
		1886
		1887	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1888
		1889	$path = normalise $path, $base;
		1890
		1891	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1892	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1893	my $self = bless cf::map::new, $pkg;
		1894	$self->{path} = $path; $self->path ($path);
		1895	$self->init; # pass $1 etc.
		1896	return $self;
		1897	}
		1898	}
		1899
		1900	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1901	()
		1902	}
		1903
		1904	sub init {
		1905	my ($self) = @_;
		1906
		1907	$self
		1908	}
		1909
		1910	sub as_string {
		1911	my ($self) = @_;
		1912
		1913	"$self->{path}"
		1914	}
		1915
		1916	# the displayed name, this is a one way mapping
		1917	sub visible_name {
		1918	&as_string
		1919	}
		1920
		1921	# the original (read-only) location
		1922	sub load_path {
		1923	my ($self) = @_;
		1924
		1925	"$MAPDIR/$self->{path}.map"
		1926	}
		1927
		1928	# the temporary/swap location
		1929	sub save_path {
		1930	my ($self) = @_;
		1931
		1932	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1933	"$TMPDIR/$path.map"
		1934	}
		1935
		1936	# the unique path, undef == no special unique path
		1937	sub uniq_path {
		1938	my ($self) = @_;
		1939
		1940	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1941	"$UNIQUEDIR/$path"
		1942	}
		1943
		1944	sub decay_objects {
		1945	my ($self) = @_;
		1946
		1947	return if $self->{deny_reset};
		1948
		1949	$self->do_decay_objects;
		1950	}
		1951
		1952	sub unlink_save {
		1953	my ($self) = @_;
		1954
		1955	utf8::encode (my $save = $self->save_path);
		1956	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1957	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1958	}
		1959
		1960	sub load_header_from($) {
		1961	my ($self, $path) = @_;
1212		1962
1213	utf8::encode $path;	1963	utf8::encode $path;
1214	aio_open $path, O_RDONLY, 0	1964	my $f = new_from_file cf::object::thawer $path
1215	or return;	1965	or return;
1216		1966
1217	my $map = cf::map::new	1967	$self->_load_header ($f)
1218	or return;	1968	or return;
1219		1969
1220	# for better error messages only, will be overwritten	1970	local $MAP_LOADING{$self->{path}} = $self;
1221	$map->path ($path);	1971	$f->resolve_delayed_derefs;
1222		1972
1223	$map->load_header ($path)	1973	$self->{load_path} = $path;
		1974
		1975	1
		1976	}
		1977
		1978	sub load_header_orig {
		1979	my ($self) = @_;
		1980
		1981	$self->load_header_from ($self->load_path)
		1982	}
		1983
		1984	sub load_header_temp {
		1985	my ($self) = @_;
		1986
		1987	$self->load_header_from ($self->save_path)
		1988	}
		1989
		1990	sub prepare_temp {
		1991	my ($self) = @_;
		1992
		1993	$self->last_access ((delete $self->{last_access})
		1994	|| $cf::RUNTIME); #d#
		1995	# safety
		1996	$self->{instantiate_time} = $cf::RUNTIME
		1997	if $self->{instantiate_time} > $cf::RUNTIME;
		1998	}
		1999
		2000	sub prepare_orig {
		2001	my ($self) = @_;
		2002
		2003	$self->{load_original} = 1;
		2004	$self->{instantiate_time} = $cf::RUNTIME;
		2005	$self->last_access ($cf::RUNTIME);
		2006	$self->instantiate;
		2007	}
		2008
		2009	sub load_header {
		2010	my ($self) = @_;
		2011
		2012	if ($self->load_header_temp) {
		2013	$self->prepare_temp;
		2014	} else {
		2015	$self->load_header_orig
1224	or return;	2016	or return;
		2017	$self->prepare_orig;
		2018	}
1225		2019
1226	$map->{load_path} = $path;	2020	$self->{deny_reset} = 1
		2021	if $self->no_reset;
1227		2022
1228	$map	2023	$self->default_region (cf::region::find_by_path $self->{path})
		2024	unless $self->default_region;
		2025
		2026	1
1229	}	2027	}
1230		2028
1231	sub find;	2029	sub find;
1232	sub find {	2030	sub find {
1233	my ($path, $origin) = @_;	2031	my ($path, $origin) = @_;
1234		2032
1235	#warn "find<$path,$origin>\n";#d#
1236
1237	$path = new cf::path $path, $origin && $origin->path;	2033	$path = normalise $path, $origin && $origin->path;
1238	my $key = $path->as_string;
1239		2034
1240	cf::lock_wait "map_find:$key";	2035	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1241
1242	$cf::MAP{$key} || do {
1243	my $guard = cf::lock_acquire "map_find:$key";	2036	my $guard2 = cf::lock_acquire "map_find:$path";
1244		2037
1245	# do it the slow way	2038	$cf::MAP{$path} || do {
1246	my $map = try_load_header $path->save_path;	2039	my $map = new_from_path cf::map $path
1247
1248	Coro::cede;
1249
1250	if ($map) {
1251	$map->last_access ((delete $map->{last_access})
1252	|| $cf::RUNTIME); #d#
1253	# safety
1254	$map->{instantiate_time} = $cf::RUNTIME
1255	if $map->{instantiate_time} > $cf::RUNTIME;
1256	} else {
1257	if (my $rmp = $path->random_map_params) {
1258	$map = generate_random_map $key, $rmp;
1259	} else {
1260	$map = try_load_header $path->load_path;
1261	}
1262
1263	$map or return;	2040	or return;
1264		2041
1265	$map->{load_original} = 1;
1266	$map->{instantiate_time} = $cf::RUNTIME;
1267	$map->last_access ($cf::RUNTIME);
1268	$map->instantiate;
1269
1270	# per-player maps become, after loading, normal maps
1271	$map->per_player (0) if $path->{user_rel};
1272	}
1273
1274	$map->path ($key);
1275	$map->{path} = $path;
1276	$map->{last_save} = $cf::RUNTIME;	2042	$map->{last_save} = $cf::RUNTIME;
1277		2043
1278	Coro::cede;	2044	$map->load_header
		2045	or return;
1279		2046
1280	if ($map->should_reset) {	2047	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2048	# doing this can freeze the server in a sync job, obviously
		2049	#$cf::WAIT_FOR_TICK->wait;
		2050	undef $guard2;
		2051	undef $guard1;
1281	$map->reset;	2052	$map->reset;
1282	undef $guard;
1283	$map = find $path	2053	return find $path;
1284	or return;
1285	}	2054	}
1286		2055
1287	$cf::MAP{$key} = $map	2056	$cf::MAP{$path} = $map
1288	}	2057	}
1289	}	2058	}
		2059
		2060	sub pre_load { }
		2061	#sub post_load { } # XS
1290		2062
1291	sub load {	2063	sub load {
1292	my ($self) = @_;	2064	my ($self) = @_;
1293		2065
		2066	local $self->{deny_reset} = 1; # loading can take a long time
		2067
1294	my $path = $self->{path};	2068	my $path = $self->{path};
		2069
		2070	{
1295	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2071	my $guard = cf::lock_acquire "map_data:$path";
1296		2072
		2073	return unless $self->valid;
1297	return if $self->in_memory != cf::MAP_SWAPPED;	2074	return unless $self->in_memory == cf::MAP_SWAPPED;
1298		2075
1299	$self->in_memory (cf::MAP_LOADING);	2076	$self->in_memory (cf::MAP_LOADING);
1300		2077
1301	$self->alloc;	2078	$self->alloc;
1302	$self->load_objects ($self->{load_path}, 1)	2079
		2080	$self->pre_load;
		2081	cf::cede_to_tick;
		2082
		2083	my $f = new_from_file cf::object::thawer $self->{load_path};
		2084	$f->skip_block;
		2085	$self->_load_objects ($f)
1303	or return;	2086	or return;
1304		2087
1305	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2088	$self->post_load_original
1306	if delete $self->{load_original};	2089	if delete $self->{load_original};
1307		2090
1308	if (my $uniq = $path->uniq_path) {	2091	if (my $uniq = $self->uniq_path) {
1309	utf8::encode $uniq;	2092	utf8::encode $uniq;
1310	if (aio_open $uniq, O_RDONLY, 0) {	2093	unless (aio_stat $uniq) {
		2094	if (my $f = new_from_file cf::object::thawer $uniq) {
1311	$self->clear_unique_items;	2095	$self->clear_unique_items;
1312	$self->load_objects ($uniq, 0);	2096	$self->_load_objects ($f);
		2097	$f->resolve_delayed_derefs;
		2098	}
1313	}	2099	}
1314	}	2100	}
1315		2101
1316	Coro::cede;	2102	$f->resolve_delayed_derefs;
1317		2103
		2104	cf::cede_to_tick;
1318	# now do the right thing for maps	2105	# now do the right thing for maps
1319	$self->link_multipart_objects;	2106	$self->link_multipart_objects;
1320
1321	if ($self->{path}->is_style_map) {
1322	$self->{deny_save} = 1;
1323	$self->{deny_reset} = 1;
1324	} else {
1325	$self->fix_auto_apply;
1326	$self->decay_objects;
1327	$self->update_buttons;
1328	$self->set_darkness_map;
1329	$self->difficulty ($self->estimate_difficulty)	2107	$self->difficulty ($self->estimate_difficulty)
1330	unless $self->difficulty;	2108	unless $self->difficulty;
		2109	cf::cede_to_tick;
		2110
		2111	unless ($self->{deny_activate}) {
		2112	$self->decay_objects;
		2113	$self->fix_auto_apply;
		2114	$self->update_buttons;
		2115	cf::cede_to_tick;
1331	$self->activate;	2116	$self->activate;
1332	}	2117	}
1333		2118
1334	Coro::cede;	2119	$self->{last_save} = $cf::RUNTIME;
		2120	$self->last_access ($cf::RUNTIME);
1335		2121
1336	$self->in_memory (cf::MAP_IN_MEMORY);	2122	$self->in_memory (cf::MAP_ACTIVE);
		2123	}
		2124
		2125	$self->post_load;
		2126	}
		2127
		2128	# customize the map for a given player, i.e.
		2129	# return the _real_ map. used by e.g. per-player
		2130	# maps to change the path to ~playername/mappath
		2131	sub customise_for {
		2132	my ($self, $ob) = @_;
		2133
		2134	return find "~" . $ob->name . "/" . $self->{path}
		2135	if $self->per_player;
		2136
		2137	# return find "?party/" . $ob->name . "/" . $self->{path}
		2138	# if $self->per_party;
		2139
		2140	$self
		2141	}
		2142
		2143	# find and load all maps in the 3x3 area around a map
		2144	sub load_neighbours {
		2145	my ($map) = @_;
		2146
		2147	my @neigh; # diagonal neighbours
		2148
		2149	for (0 .. 3) {
		2150	my $neigh = $map->tile_path ($_)
		2151	or next;
		2152	$neigh = find $neigh, $map
		2153	or next;
		2154	$neigh->load;
		2155
		2156	push @neigh,
		2157	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		2158	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		2159	}
		2160
		2161	for (grep defined $_->[0], @neigh) {
		2162	my ($path, $origin) = @$_;
		2163	my $neigh = find $path, $origin
		2164	or next;
		2165	$neigh->load;
		2166	}
1337	}	2167	}
1338		2168
1339	sub find_sync {	2169	sub find_sync {
1340	my ($path, $origin) = @_;	2170	my ($path, $origin) = @_;
1341		2171
1342	cf::sync_job { cf::map::find $path, $origin }	2172	cf::sync_job { find $path, $origin }
1343	}	2173	}
1344		2174
1345	sub do_load_sync {	2175	sub do_load_sync {
1346	my ($map) = @_;	2176	my ($map) = @_;
1347		2177
		2178	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2179	if $Coro::current == $Coro::main;
		2180
1348	cf::sync_job { $map->load };	2181	cf::sync_job { $map->load };
		2182	}
		2183
		2184	our %MAP_PREFETCH;
		2185	our $MAP_PREFETCHER = undef;
		2186
		2187	sub find_async {
		2188	my ($path, $origin, $load) = @_;
		2189
		2190	$path = normalise $path, $origin && $origin->{path};
		2191
		2192	if (my $map = $cf::MAP{$path}) {
		2193	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2194	}
		2195
		2196	$MAP_PREFETCH{$path} |= $load;
		2197
		2198	$MAP_PREFETCHER ||= cf::async {
		2199	$Coro::current->{desc} = "map prefetcher";
		2200
		2201	while (%MAP_PREFETCH) {
		2202	while (my ($k, $v) = each %MAP_PREFETCH) {
		2203	if (my $map = find $k) {
		2204	$map->load if $v;
		2205	}
		2206
		2207	delete $MAP_PREFETCH{$k};
		2208	}
		2209	}
		2210	undef $MAP_PREFETCHER;
		2211	};
		2212	$MAP_PREFETCHER->prio (6);
		2213
		2214	()
		2215	}
		2216
		2217	# common code, used by both ->save and ->swapout
		2218	sub _save {
		2219	my ($self) = @_;
		2220
		2221	$self->{last_save} = $cf::RUNTIME;
		2222
		2223	return unless $self->dirty;
		2224
		2225	my $save = $self->save_path; utf8::encode $save;
		2226	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2227
		2228	$self->{load_path} = $save;
		2229
		2230	return if $self->{deny_save};
		2231
		2232	local $self->{last_access} = $self->last_access;#d#
		2233
		2234	cf::async {
		2235	$Coro::current->{desc} = "map player save";
		2236	$_->contr->save for $self->players;
		2237	};
		2238
		2239	cf::get_slot 0.02;
		2240
		2241	if ($uniq) {
		2242	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
		2243	$self->_save_objects ($uniq, cf::IO_UNIQUES);
		2244	} else {
		2245	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
		2246	}
1349	}	2247	}
1350		2248
1351	sub save {	2249	sub save {
1352	my ($self) = @_;	2250	my ($self) = @_;
1353		2251
1354	my $lock = cf::lock_acquire "map_data:" . $self->path;	2252	my $lock = cf::lock_acquire "map_data:$self->{path}";
1355		2253
1356	$self->{last_save} = $cf::RUNTIME;	2254	$self->_save;
1357
1358	return unless $self->dirty;
1359
1360	my $save = $self->{path}->save_path; utf8::encode $save;
1361	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1362
1363	$self->{load_path} = $save;
1364
1365	return if $self->{deny_save};
1366
1367	local $self->{last_access} = $self->last_access;#d#
1368
1369	cf::async {
1370	$_->contr->save for $self->players;
1371	};
1372
1373	if ($uniq) {
1374	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1375	$self->save_objects ($uniq, cf::IO_UNIQUES);
1376	} else {
1377	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1378	}
1379	}	2255	}
1380		2256
1381	sub swap_out {	2257	sub swap_out {
1382	my ($self) = @_;	2258	my ($self) = @_;
1383		2259
1384	# save first because save cedes
1385	$self->save;
1386
1387	my $lock = cf::lock_acquire "map_data:" . $self->path;	2260	my $lock = cf::lock_acquire "map_data:$self->{path}";
1388		2261
		2262	return if $self->in_memory != cf::MAP_ACTIVE;
		2263	return if $self->{deny_save};
1389	return if $self->players;	2264	return if $self->players;
1390	return if $self->in_memory != cf::MAP_IN_MEMORY;
1391	return if $self->{deny_save};
1392		2265
		2266	# first deactivate the map and "unlink" it from the core
		2267	$self->deactivate;
		2268	$_->clear_links_to ($self) for values %cf::MAP;
		2269	$self->in_memory (cf::MAP_SWAPPED);
		2270
		2271	# then atomically save
		2272	$self->_save;
		2273
		2274	# then free the map
1393	$self->clear;	2275	$self->clear;
1394	$self->in_memory (cf::MAP_SWAPPED);
1395	}	2276	}
1396		2277
1397	sub reset_at {	2278	sub reset_at {
1398	my ($self) = @_;	2279	my ($self) = @_;
1399		2280
1400	# TODO: safety, remove and allow resettable per-player maps	2281	# TODO: safety, remove and allow resettable per-player maps
1401	return 1e99 if $self->{path}{user_rel};
1402	return 1e99 if $self->{deny_reset};	2282	return 1e99 if $self->{deny_reset};
1403		2283
1404	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2284	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1405	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2285	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1406		2286
…		…
1411	my ($self) = @_;	2291	my ($self) = @_;
1412		2292
1413	$self->reset_at <= $cf::RUNTIME	2293	$self->reset_at <= $cf::RUNTIME
1414	}	2294	}
1415		2295
1416	sub unlink_save {
1417	my ($self) = @_;
1418
1419	utf8::encode (my $save = $self->{path}->save_path);
1420	aioreq_pri 3; IO::AIO::aio_unlink $save;
1421	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1422	}
1423
1424	sub rename {
1425	my ($self, $new_path) = @_;
1426
1427	$self->unlink_save;
1428
1429	delete $cf::MAP{$self->path};
1430	$self->{path} = new cf::path $new_path;
1431	$self->path ($self->{path}->as_string);
1432	$cf::MAP{$self->path} = $self;
1433
1434	$self->save;
1435	}
1436
1437	sub reset {	2296	sub reset {
1438	my ($self) = @_;	2297	my ($self) = @_;
1439		2298
1440	my $lock = cf::lock_acquire "map_data:" . $self->path;	2299	my $lock = cf::lock_acquire "map_data:$self->{path}";
1441		2300
1442	return if $self->players;	2301	return if $self->players;
1443	return if $self->{path}{user_rel};#d#
1444		2302
1445	warn "resetting map ", $self->path;#d#	2303	warn "resetting map ", $self->path, "\n";
		2304
		2305	$self->in_memory (cf::MAP_SWAPPED);
		2306
		2307	# need to save uniques path
		2308	unless ($self->{deny_save}) {
		2309	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2310
		2311	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2312	if $uniq;
		2313	}
1446		2314
1447	delete $cf::MAP{$self->path};	2315	delete $cf::MAP{$self->path};
1448		2316
		2317	$self->deactivate;
1449	$_->clear_links_to ($self) for values %cf::MAP;	2318	$_->clear_links_to ($self) for values %cf::MAP;
		2319	$self->clear;
1450		2320
1451	$self->unlink_save;	2321	$self->unlink_save;
1452	$self->destroy;	2322	$self->destroy;
1453	}	2323	}
1454		2324
1455	my $nuke_counter = "aaaa";	2325	my $nuke_counter = "aaaa";
1456		2326
1457	sub nuke {	2327	sub nuke {
1458	my ($self) = @_;	2328	my ($self) = @_;
1459		2329
		2330	{
		2331	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2332
		2333	delete $cf::MAP{$self->path};
		2334
		2335	$self->unlink_save;
		2336
		2337	bless $self, "cf::map";
		2338	delete $self->{deny_reset};
1460	$self->{deny_save} = 1;	2339	$self->{deny_save} = 1;
1461	$self->reset_timeout (1);	2340	$self->reset_timeout (1);
1462	$self->rename ("{nuke}/" . ($nuke_counter++));	2341	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2342
		2343	$cf::MAP{$self->path} = $self;
		2344	}
		2345
1463	$self->reset; # polite request, might not happen	2346	$self->reset; # polite request, might not happen
1464	}	2347	}
1465		2348
1466	sub customise_for {	2349	=item $maps = cf::map::tmp_maps
1467	my ($map, $ob) = @_;
1468		2350
1469	if ($map->per_player) {	2351	Returns an arrayref with all map paths of currently instantiated and saved
1470	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2352	maps. May block.
		2353
		2354	=cut
		2355
		2356	sub tmp_maps() {
1471	}	2357	[
1472		2358	map {
1473	$map	2359	utf8::decode $_;
		2360	/\.map$/
		2361	? normalise $_
		2362	: ()
		2363	} @{ aio_readdir $TMPDIR or [] }
		2364	]
1474	}	2365	}
1475		2366
1476	sub emergency_save {	2367	=item $maps = cf::map::random_maps
1477	my $freeze_guard = cf::freeze_mainloop;
1478		2368
1479	warn "enter emergency map save\n";	2369	Returns an arrayref with all map paths of currently instantiated and saved
		2370	random maps. May block.
1480		2371
1481	cf::sync_job {	2372	=cut
1482	warn "begin emergency map save\n";	2373
1483	$_->save for values %cf::MAP;	2374	sub random_maps() {
		2375	[
		2376	map {
		2377	utf8::decode $_;
		2378	/\.map$/
		2379	? normalise "?random/$_"
		2380	: ()
		2381	} @{ aio_readdir $RANDOMDIR or [] }
		2382	]
		2383	}
		2384
		2385	=item cf::map::unique_maps
		2386
		2387	Returns an arrayref of paths of all shared maps that have
		2388	instantiated unique items. May block.
		2389
		2390	=cut
		2391
		2392	sub unique_maps() {
		2393	[
		2394	map {
		2395	utf8::decode $_;
		2396	s/\.map$//; # TODO future compatibility hack
		2397	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2398	? ()
		2399	: normalise $_
		2400	} @{ aio_readdir $UNIQUEDIR or [] }
		2401	]
		2402	}
		2403
		2404	=item cf::map::static_maps
		2405
		2406	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2407	file in the shared directory excluding F</styles> and F</editor>). May
		2408	block.
		2409
		2410	=cut
		2411
		2412	sub static_maps() {
		2413	my @dirs = "";
		2414	my @maps;
		2415
		2416	while (@dirs) {
		2417	my $dir = shift @dirs;
		2418
		2419	next if $dir eq "/styles" || $dir eq "/editor";
		2420
		2421	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2422	or return;
		2423
		2424	for (@$files) {
		2425	s/\.map$// or next;
		2426	utf8::decode $_;
		2427	push @maps, "$dir/$_";
		2428	}
		2429
		2430	push @dirs, map "$dir/$_", @$dirs;
1484	};	2431	}
1485		2432
1486	warn "end emergency map save\n";	2433	\@maps
		2434	}
		2435
		2436	=back
		2437
		2438	=head3 cf::object
		2439
		2440	=cut
		2441
		2442	package cf::object;
		2443
		2444	=over 4
		2445
		2446	=item $ob->inv_recursive
		2447
		2448	Returns the inventory of the object I<and> their inventories, recursively,
		2449	but I<not> the object itself.
		2450
		2451	=cut
		2452
		2453	sub inv_recursive_;
		2454	sub inv_recursive_ {
		2455	map { $_, inv_recursive_ $_->inv } @_
		2456	}
		2457
		2458	sub inv_recursive {
		2459	inv_recursive_ inv $_[0]
		2460	}
		2461
		2462	=item $ref = $ob->ref
		2463
		2464	Creates and returns a persistent reference to an object that can be stored as a string.
		2465
		2466	=item $ob = cf::object::deref ($refstring)
		2467
		2468	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2469	even if the object actually exists. May block.
		2470
		2471	=cut
		2472
		2473	sub deref {
		2474	my ($ref) = @_;
		2475
		2476	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2477	my ($uuid, $name) = ($1, $2);
		2478	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2479	or return;
		2480	$pl->ob->uuid eq $uuid
		2481	or return;
		2482
		2483	$pl->ob
		2484	} else {
		2485	warn "$ref: cannot resolve object reference\n";
		2486	undef
		2487	}
1487	}	2488	}
1488		2489
1489	package cf;	2490	package cf;
1490		2491
1491	=back	2492	=back
1492
1493		2493
1494	=head3 cf::object::player	2494	=head3 cf::object::player
1495		2495
1496	=over 4	2496	=over 4
1497		2497
…		…
1500	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2500	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1501	can be C<undef>. Does the right thing when the player is currently in a	2501	can be C<undef>. Does the right thing when the player is currently in a
1502	dialogue with the given NPC character.	2502	dialogue with the given NPC character.
1503		2503
1504	=cut	2504	=cut
		2505
		2506	our $SAY_CHANNEL = {
		2507	id => "say",
		2508	title => "Map",
		2509	reply => "say ",
		2510	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2511	};
		2512
		2513	our $CHAT_CHANNEL = {
		2514	id => "chat",
		2515	title => "Chat",
		2516	reply => "chat ",
		2517	tooltip => "Player chat and shouts, global to the server.",
		2518	};
1505		2519
1506	# rough implementation of a future "reply" method that works	2520	# rough implementation of a future "reply" method that works
1507	# with dialog boxes.	2521	# with dialog boxes.
1508	#TODO: the first argument must go, split into a $npc->reply_to ( method	2522	#TODO: the first argument must go, split into a $npc->reply_to ( method
1509	sub cf::object::player::reply($$$;$) {	2523	sub cf::object::player::reply($$$;$) {
…		…
1511		2525
1512	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2526	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1513		2527
1514	if ($self->{record_replies}) {	2528	if ($self->{record_replies}) {
1515	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2529	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2530
1516	} else {	2531	} else {
		2532	my $pl = $self->contr;
		2533
		2534	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2535	my $dialog = $pl->{npc_dialog};
		2536	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2537
		2538	} else {
1517	$msg = $npc->name . " says: $msg" if $npc;	2539	$msg = $npc->name . " says: $msg" if $npc;
1518	$self->message ($msg, $flags);	2540	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2541	}
1519	}	2542	}
		2543	}
		2544
		2545	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2546
		2547	=cut
		2548
		2549	sub cf::object::send_msg {
		2550	my $pl = shift->contr
		2551	or return;
		2552	$pl->send_msg (@_);
1520	}	2553	}
1521		2554
1522	=item $player_object->may ("access")	2555	=item $player_object->may ("access")
1523		2556
1524	Returns wether the given player is authorized to access resource "access"	2557	Returns wether the given player is authorized to access resource "access"
…		…
1537		2570
1538	=item $player_object->enter_link	2571	=item $player_object->enter_link
1539		2572
1540	Freezes the player and moves him/her to a special map (C<{link}>).	2573	Freezes the player and moves him/her to a special map (C<{link}>).
1541		2574
1542	The player should be reaosnably safe there for short amounts of time. You	2575	The player should be reasonably safe there for short amounts of time (e.g.
1543	I<MUST> call C<leave_link> as soon as possible, though.	2576	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2577	though, as the palyer cannot control the character while it is on the link
		2578	map.
		2579
		2580	Will never block.
1544		2581
1545	=item $player_object->leave_link ($map, $x, $y)	2582	=item $player_object->leave_link ($map, $x, $y)
1546		2583
1547	Moves the player out of the specila link map onto the given map. If the	2584	Moves the player out of the special C<{link}> map onto the specified
1548	map is not valid (or omitted), the player will be moved back to the	2585	map. If the map is not valid (or omitted), the player will be moved back
1549	location he/she was before the call to C<enter_link>, or, if that fails,	2586	to the location he/she was before the call to C<enter_link>, or, if that
1550	to the emergency map position.	2587	fails, to the emergency map position.
1551		2588
1552	Might block.	2589	Might block.
1553		2590
1554	=cut	2591	=cut
		2592
		2593	sub link_map {
		2594	unless ($LINK_MAP) {
		2595	$LINK_MAP = cf::map::find "{link}"
		2596	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2597	$LINK_MAP->load;
		2598	}
		2599
		2600	$LINK_MAP
		2601	}
1555		2602
1556	sub cf::object::player::enter_link {	2603	sub cf::object::player::enter_link {
1557	my ($self) = @_;	2604	my ($self) = @_;
1558		2605
1559	$self->deactivate_recursive;	2606	$self->deactivate_recursive;
1560		2607
1561	return if $self->map == $LINK_MAP;	2608	return if UNIVERSAL::isa $self->map, "ext::map_link";
1562		2609
1563	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2610	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1564	if $self->map;	2611	if $self->map && $self->map->{path} ne "{link}";
1565		2612
1566	$self->enter_map ($LINK_MAP, 20, 20);	2613	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1567	}	2614	}
1568		2615
1569	sub cf::object::player::leave_link {	2616	sub cf::object::player::leave_link {
1570	my ($self, $map, $x, $y) = @_;	2617	my ($self, $map, $x, $y) = @_;
		2618
		2619	return unless $self->contr->active;
1571		2620
1572	my $link_pos = delete $self->{_link_pos};	2621	my $link_pos = delete $self->{_link_pos};
1573		2622
1574	unless ($map) {	2623	unless ($map) {
1575	# restore original map position	2624	# restore original map position
…		…
1586	($x, $y) = (-1, -1)	2635	($x, $y) = (-1, -1)
1587	unless (defined $x) && (defined $y);	2636	unless (defined $x) && (defined $y);
1588		2637
1589	# use -1 or undef as default coordinates, not 0, 0	2638	# use -1 or undef as default coordinates, not 0, 0
1590	($x, $y) = ($map->enter_x, $map->enter_y)	2639	($x, $y) = ($map->enter_x, $map->enter_y)
1591	if $x <=0 && $y <= 0;	2640	if $x <= 0 && $y <= 0;
1592		2641
1593	$map->load;	2642	$map->load;
		2643	$map->load_neighbours;
1594		2644
1595	return unless $self->contr->active;	2645	return unless $self->contr->active;
		2646
		2647	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2648	$self->enter_map ($map, $x, $y);
		2649
		2650	# only activate afterwards, to support waiting in hooks
1596	$self->activate_recursive;	2651	$self->activate_recursive;
1597	$self->enter_map ($map, $x, $y);
1598	}	2652	}
1599		2653
1600	cf::player->attach (	2654	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1601	on_logout => sub {
1602	my ($pl) = @_;
1603		2655
1604	# abort map switching before logout	2656	Moves the player to the given map-path and coordinates by first freezing
1605	if ($pl->ob->{_link_pos}) {	2657	her, loading and preparing them map, calling the provided $check callback
1606	cf::sync_job {	2658	that has to return the map if sucecssful, and then unfreezes the player on
1607	$pl->ob->leave_link	2659	the new (success) or old (failed) map position. In either case, $done will
1608	};	2660	be called at the end of this process.
1609	}
1610	},
1611	on_login => sub {
1612	my ($pl) = @_;
1613		2661
1614	# try to abort aborted map switching on player login :)	2662	Note that $check will be called with a potentially non-loaded map, so if
1615	# should happen only on crashes	2663	it needs a loaded map it has to call C<< ->load >>.
1616	if ($pl->ob->{_link_pos}) {
1617	$pl->ob->enter_link;
1618	(async {
1619	# we need this sleep as the login has a concurrent enter_exit running
1620	# and this sleep increases chances of the player not ending up in scorn
1621	$pl->ob->reply (undef,
1622	"There was an internal problem at your last logout, "
1623	. "the server will try to bring you to your intended destination in a second.",
1624	cf::NDI_RED);
1625	Coro::Timer::sleep 1;
1626	$pl->ob->leave_link;
1627	})->prio (2);
1628	}
1629	},
1630	);
1631		2664
1632	=item $player_object->goto ($path, $x, $y)
1633
1634	=cut	2665	=cut
		2666
		2667	our $GOTOGEN;
1635		2668
1636	sub cf::object::player::goto {	2669	sub cf::object::player::goto {
1637	my ($self, $path, $x, $y) = @_;	2670	my ($self, $path, $x, $y, $check, $done) = @_;
		2671
		2672	# do generation counting so two concurrent goto's will be executed in-order
		2673	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1638		2674
1639	$self->enter_link;	2675	$self->enter_link;
1640		2676
1641	(async {	2677	(async {
1642	$path = new cf::path $path;	2678	$Coro::current->{desc} = "player::goto $path $x $y";
1643		2679
1644	my $map = cf::map::find $path->as_string;	2680	# *tag paths override both path and x|y
		2681	if ($path =~ /^\*(.*)$/) {
		2682	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2683	my $ob = $obs[rand @obs];
		2684
		2685	# see if we actually can go there
		2686	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2687	$ob = $obs[rand @obs];
		2688	} else {
		2689	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2690	}
		2691	# else put us there anyways for now #d#
		2692
		2693	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2694	} else {
		2695	($path, $x, $y) = (undef, undef, undef);
		2696	}
		2697	}
		2698
		2699	my $map = eval {
		2700	my $map = defined $path ? cf::map::find $path : undef;
		2701
		2702	if ($map) {
1645	$map = $map->customise_for ($self) if $map;	2703	$map = $map->customise_for ($self);
1646		2704	$map = $check->($map) if $check && $map;
1647	# warn "entering ", $map->path, " at ($x, $y)\n"	2705	} else {
1648	# if $map;
1649
1650	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2706	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2707	}
1651		2708
		2709	$map
		2710	};
		2711
		2712	if ($@) {
		2713	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2714	LOG llevError | logBacktrace, Carp::longmess $@;
		2715	}
		2716
		2717	if ($gen == $self->{_goto_generation}) {
		2718	delete $self->{_goto_generation};
1652	$self->leave_link ($map, $x, $y);	2719	$self->leave_link ($map, $x, $y);
		2720	}
		2721
		2722	$done->() if $done;
1653	})->prio (1);	2723	})->prio (1);
1654	}	2724	}
1655		2725
1656	=item $player_object->enter_exit ($exit_object)	2726	=item $player_object->enter_exit ($exit_object)
1657		2727
…		…
1659		2729
1660	sub parse_random_map_params {	2730	sub parse_random_map_params {
1661	my ($spec) = @_;	2731	my ($spec) = @_;
1662		2732
1663	my $rmp = { # defaults	2733	my $rmp = { # defaults
1664	xsize => 10,	2734	xsize => (cf::rndm 15, 40),
1665	ysize => 10,	2735	ysize => (cf::rndm 15, 40),
		2736	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2737	#layout => string,
1666	};	2738	};
1667		2739
1668	for (split /\n/, $spec) {	2740	for (split /\n/, $spec) {
1669	my ($k, $v) = split /\s+/, $_, 2;	2741	my ($k, $v) = split /\s+/, $_, 2;
1670		2742
…		…
1682	# that depends on the exit object	2754	# that depends on the exit object
1683		2755
1684	my $rmp = parse_random_map_params $exit->msg;	2756	my $rmp = parse_random_map_params $exit->msg;
1685		2757
1686	if ($exit->map) {	2758	if ($exit->map) {
1687	$rmp->{region} = $exit->map->region_name;	2759	$rmp->{region} = $exit->region->name;
1688	$rmp->{origin_map} = $exit->map->path;	2760	$rmp->{origin_map} = $exit->map->path;
1689	$rmp->{origin_x} = $exit->x;	2761	$rmp->{origin_x} = $exit->x;
1690	$rmp->{origin_y} = $exit->y;	2762	$rmp->{origin_y} = $exit->y;
		2763
		2764	$exit->map->touch;
1691	}	2765	}
1692		2766
1693	$rmp->{random_seed} ||= $exit->random_seed;	2767	$rmp->{random_seed} ||= $exit->random_seed;
1694		2768
1695	my $data = cf::to_json $rmp;	2769	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1696	my $md5 = Digest::MD5::md5_hex $data;	2770	my $md5 = Digest::MD5::md5_hex $data;
		2771	my $meta = "$RANDOMDIR/$md5.meta";
1697		2772
1698	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2773	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1699	aio_write $fh, 0, (length $data), $data, 0;	2774	aio_write $fh, 0, (length $data), $data, 0;
		2775	undef $fh;
		2776	aio_rename "$meta~", $meta;
1700		2777
		2778	my $slaying = "?random/$md5";
		2779
		2780	if ($exit->valid) {
1701	$exit->slaying ("?random/$md5");	2781	$exit->slaying ("?random/$md5");
1702	$exit->msg (undef);	2782	$exit->msg (undef);
		2783	}
1703	}	2784	}
1704	}	2785	}
1705		2786
1706	sub cf::object::player::enter_exit {	2787	sub cf::object::player::enter_exit {
1707	my ($self, $exit) = @_;	2788	my ($self, $exit) = @_;
…		…
1709	return unless $self->type == cf::PLAYER;	2790	return unless $self->type == cf::PLAYER;
1710		2791
1711	$self->enter_link;	2792	$self->enter_link;
1712		2793
1713	(async {	2794	(async {
1714	$self->deactivate_recursive; # just to be sure	2795	$Coro::current->{desc} = "enter_exit";
		2796
1715	unless (eval {	2797	unless (eval {
		2798	$self->deactivate_recursive; # just to be sure
		2799
		2800	# random map handling
		2801	{
		2802	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2803
1716	prepare_random_map $exit	2804	prepare_random_map $exit
1717	if $exit->slaying eq "/!";	2805	if $exit->slaying eq "/!";
		2806	}
1718		2807
1719	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2808	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1720	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2809	my $x = $exit->stats->hp;
		2810	my $y = $exit->stats->sp;
1721		2811
		2812	$self->goto ($map, $x, $y);
		2813
		2814	# if exit is damned, update players death & WoR home-position
		2815	$self->contr->savebed ($map, $x, $y)
		2816	if $exit->flag (cf::FLAG_DAMNED);
		2817
1722	1;	2818	1
1723	}) {	2819	}) {
1724	$self->message ("Something went wrong deep within the crossfire server. "	2820	$self->message ("Something went wrong deep within the deliantra server. "
1725	. "I'll try to bring you back to the map you were before. "	2821	. "I'll try to bring you back to the map you were before. "
1726	. "Please report this to the dungeon master",	2822	. "Please report this to the dungeon master!",
1727	cf::NDI_UNIQUE | cf::NDI_RED);	2823	cf::NDI_UNIQUE | cf::NDI_RED);
1728		2824
1729	warn "ERROR in enter_exit: $@";	2825	warn "ERROR in enter_exit: $@";
1730	$self->leave_link;	2826	$self->leave_link;
1731	}	2827	}
1732	})->prio (1);	2828	})->prio (1);
…		…
1745		2841
1746	sub cf::client::send_drawinfo {	2842	sub cf::client::send_drawinfo {
1747	my ($self, $text, $flags) = @_;	2843	my ($self, $text, $flags) = @_;
1748		2844
1749	utf8::encode $text;	2845	utf8::encode $text;
1750	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2846	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1751	}	2847	}
1752		2848
		2849	=item $client->send_big_packet ($pkt)
		2850
		2851	Like C<send_packet>, but tries to compress large packets, and fragments
		2852	them as required.
		2853
		2854	=cut
		2855
		2856	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2857
		2858	sub cf::client::send_big_packet {
		2859	my ($self, $pkt) = @_;
		2860
		2861	# try lzf for large packets
		2862	$pkt = "lzf " . Compress::LZF::compress $pkt
		2863	if 1024 <= length $pkt and $self->{can_lzf};
		2864
		2865	# split very large packets
		2866	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2867	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2868	$pkt = "frag";
		2869	}
		2870
		2871	$self->send_packet ($pkt);
		2872	}
		2873
		2874	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2875
		2876	Send a drawinfo or msg packet to the client, formatting the msg for the
		2877	client if neccessary. C<$type> should be a string identifying the type of
		2878	the message, with C<log> being the default. If C<$color> is negative, suppress
		2879	the message unless the client supports the msg packet.
		2880
		2881	=cut
		2882
		2883	# non-persistent channels (usually the info channel)
		2884	our %CHANNEL = (
		2885	"c/motd" => {
		2886	id => "infobox",
		2887	title => "MOTD",
		2888	reply => undef,
		2889	tooltip => "The message of the day",
		2890	},
		2891	"c/identify" => {
		2892	id => "infobox",
		2893	title => "Identify",
		2894	reply => undef,
		2895	tooltip => "Items recently identified",
		2896	},
		2897	"c/examine" => {
		2898	id => "infobox",
		2899	title => "Examine",
		2900	reply => undef,
		2901	tooltip => "Signs and other items you examined",
		2902	},
		2903	"c/shopinfo" => {
		2904	id => "infobox",
		2905	title => "Shop Info",
		2906	reply => undef,
		2907	tooltip => "What your bargaining skill tells you about the shop",
		2908	},
		2909	"c/book" => {
		2910	id => "infobox",
		2911	title => "Book",
		2912	reply => undef,
		2913	tooltip => "The contents of a note or book",
		2914	},
		2915	"c/lookat" => {
		2916	id => "infobox",
		2917	title => "Look",
		2918	reply => undef,
		2919	tooltip => "What you saw there",
		2920	},
		2921	"c/who" => {
		2922	id => "infobox",
		2923	title => "Players",
		2924	reply => undef,
		2925	tooltip => "Shows players who are currently online",
		2926	},
		2927	"c/body" => {
		2928	id => "infobox",
		2929	title => "Body Parts",
		2930	reply => undef,
		2931	tooltip => "Shows which body parts you posess and are available",
		2932	},
		2933	"c/statistics" => {
		2934	id => "infobox",
		2935	title => "Statistics",
		2936	reply => undef,
		2937	tooltip => "Shows your primary statistics",
		2938	},
		2939	"c/skills" => {
		2940	id => "infobox",
		2941	title => "Skills",
		2942	reply => undef,
		2943	tooltip => "Shows your experience per skill and item power",
		2944	},
		2945	"c/shopitems" => {
		2946	id => "infobox",
		2947	title => "Shop Items",
		2948	reply => undef,
		2949	tooltip => "Shows the items currently for sale in this shop",
		2950	},
		2951	"c/resistances" => {
		2952	id => "infobox",
		2953	title => "Resistances",
		2954	reply => undef,
		2955	tooltip => "Shows your resistances",
		2956	},
		2957	"c/pets" => {
		2958	id => "infobox",
		2959	title => "Pets",
		2960	reply => undef,
		2961	tooltip => "Shows information abotu your pets/a specific pet",
		2962	},
		2963	"c/perceiveself" => {
		2964	id => "infobox",
		2965	title => "Perceive Self",
		2966	reply => undef,
		2967	tooltip => "You gained detailed knowledge about yourself",
		2968	},
		2969	"c/uptime" => {
		2970	id => "infobox",
		2971	title => "Uptime",
		2972	reply => undef,
		2973	tooltip => "How long the server has been running since last restart",
		2974	},
		2975	"c/mapinfo" => {
		2976	id => "infobox",
		2977	title => "Map Info",
		2978	reply => undef,
		2979	tooltip => "Information related to the maps",
		2980	},
		2981	"c/party" => {
		2982	id => "party",
		2983	title => "Party",
		2984	reply => "gsay ",
		2985	tooltip => "Messages and chat related to your party",
		2986	},
		2987	"c/death" => {
		2988	id => "death",
		2989	title => "Death",
		2990	reply => undef,
		2991	tooltip => "Reason for and more info about your most recent death",
		2992	},
		2993	"c/say" => $SAY_CHANNEL,
		2994	"c/chat" => $CHAT_CHANNEL,
		2995	);
		2996
		2997	sub cf::client::send_msg {
		2998	my ($self, $channel, $msg, $color, @extra) = @_;
		2999
		3000	$msg = $self->pl->expand_cfpod ($msg)
		3001	unless $color & cf::NDI_VERBATIM;
		3002
		3003	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3004
		3005	# check predefined channels, for the benefit of C
		3006	if ($CHANNEL{$channel}) {
		3007	$channel = $CHANNEL{$channel};
		3008
		3009	$self->ext_msg (channel_info => $channel);
		3010	$channel = $channel->{id};
		3011
		3012	} elsif (ref $channel) {
		3013	# send meta info to client, if not yet sent
		3014	unless (exists $self->{channel}{$channel->{id}}) {
		3015	$self->{channel}{$channel->{id}} = $channel;
		3016	$self->ext_msg (channel_info => $channel);
		3017	}
		3018
		3019	$channel = $channel->{id};
		3020	}
		3021
		3022	return unless @extra || length $msg;
		3023
		3024	# default colour, mask it out
		3025	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3026	if $color & cf::NDI_DEF;
		3027
		3028	my $pkt = "msg "
		3029	. $self->{json_coder}->encode (
		3030	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3031	);
		3032
		3033	$self->send_big_packet ($pkt);
		3034	}
		3035
		3036	=item $client->ext_msg ($type, @msg)
		3037
		3038	Sends an ext event to the client.
		3039
		3040	=cut
		3041
		3042	sub cf::client::ext_msg($$@) {
		3043	my ($self, $type, @msg) = @_;
		3044
		3045	if ($self->extcmd == 2) {
		3046	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3047	} elsif ($self->extcmd == 1) { # TODO: remove
		3048	push @msg, msgtype => "event_$type";
		3049	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3050	}
		3051	}
		3052
		3053	=item $client->ext_reply ($msgid, @msg)
		3054
		3055	Sends an ext reply to the client.
		3056
		3057	=cut
		3058
		3059	sub cf::client::ext_reply($$@) {
		3060	my ($self, $id, @msg) = @_;
		3061
		3062	if ($self->extcmd == 2) {
		3063	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3064	} elsif ($self->extcmd == 1) {
		3065	#TODO: version 1, remove
		3066	unshift @msg, msgtype => "reply", msgid => $id;
		3067	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3068	}
		3069	}
1753		3070
1754	=item $success = $client->query ($flags, "text", \&cb)	3071	=item $success = $client->query ($flags, "text", \&cb)
1755		3072
1756	Queues a query to the client, calling the given callback with	3073	Queues a query to the client, calling the given callback with
1757	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3074	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1758	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3075	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1759		3076
1760	Queries can fail, so check the return code. Or don't, as queries will become	3077	Queries can fail, so check the return code. Or don't, as queries will
1761	reliable at some point in the future.	3078	become reliable at some point in the future.
1762		3079
1763	=cut	3080	=cut
1764		3081
1765	sub cf::client::query {	3082	sub cf::client::query {
1766	my ($self, $flags, $text, $cb) = @_;	3083	my ($self, $flags, $text, $cb) = @_;
…		…
1774	utf8::encode $text;	3091	utf8::encode $text;
1775	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3092	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1776		3093
1777	$self->send_packet ($self->{query_queue}[0][0])	3094	$self->send_packet ($self->{query_queue}[0][0])
1778	if @{ $self->{query_queue} } == 1;	3095	if @{ $self->{query_queue} } == 1;
		3096
		3097	1
1779	}	3098	}
1780		3099
1781	cf::client->attach (	3100	cf::client->attach (
		3101	on_connect => sub {
		3102	my ($ns) = @_;
		3103
		3104	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3105	},
1782	on_reply => sub {	3106	on_reply => sub {
1783	my ($ns, $msg) = @_;	3107	my ($ns, $msg) = @_;
1784		3108
1785	# this weird shuffling is so that direct followup queries	3109	# this weird shuffling is so that direct followup queries
1786	# get handled first	3110	# get handled first
1787	my $queue = delete $ns->{query_queue}	3111	my $queue = delete $ns->{query_queue}
1788	or return; # be conservative, not sure how that can happen, but we saw a crash here	3112	or return; # be conservative, not sure how that can happen, but we saw a crash here
1789		3113
1790	(shift @$queue)->[1]->($msg);	3114	(shift @$queue)->[1]->($msg);
		3115	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1791		3116
1792	push @{ $ns->{query_queue} }, @$queue;	3117	push @{ $ns->{query_queue} }, @$queue;
1793		3118
1794	if (@{ $ns->{query_queue} } == @$queue) {	3119	if (@{ $ns->{query_queue} } == @$queue) {
1795	if (@$queue) {	3120	if (@$queue) {
…		…
1797	} else {	3122	} else {
1798	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3123	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1799	}	3124	}
1800	}	3125	}
1801	},	3126	},
		3127	on_exticmd => sub {
		3128	my ($ns, $buf) = @_;
		3129
		3130	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3131
		3132	if (ref $msg) {
		3133	my ($type, $reply, @payload) =
		3134	"ARRAY" eq ref $msg
		3135	? @$msg
		3136	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3137
		3138	my @reply;
		3139
		3140	if (my $cb = $EXTICMD{$type}) {
		3141	@reply = $cb->($ns, @payload);
		3142	}
		3143
		3144	$ns->ext_reply ($reply, @reply)
		3145	if $reply;
		3146
		3147	} else {
		3148	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3149	}
		3150
		3151	cf::override;
		3152	},
1802	);	3153	);
1803		3154
1804	=item $client->async (\&cb)	3155	=item $client->async (\&cb)
1805		3156
1806	Create a new coroutine, running the specified callback. The coroutine will	3157	Create a new coroutine, running the specified callback. The coroutine will
…		…
1822		3173
1823	$coro	3174	$coro
1824	}	3175	}
1825		3176
1826	cf::client->attach (	3177	cf::client->attach (
1827	on_destroy => sub {	3178	on_client_destroy => sub {
1828	my ($ns) = @_;	3179	my ($ns) = @_;
1829		3180
1830	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3181	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
1831	},	3182	},
1832	);	3183	);
…		…
1847	our $safe = new Safe "safe";	3198	our $safe = new Safe "safe";
1848	our $safe_hole = new Safe::Hole;	3199	our $safe_hole = new Safe::Hole;
1849		3200
1850	$SIG{FPE} = 'IGNORE';	3201	$SIG{FPE} = 'IGNORE';
1851		3202
1852	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3203	$safe->permit_only (Opcode::opset qw(
		3204	:base_core :base_mem :base_orig :base_math :base_loop
		3205	grepstart grepwhile mapstart mapwhile
		3206	sort time
		3207	));
1853		3208
1854	# here we export the classes and methods available to script code	3209	# here we export the classes and methods available to script code
1855		3210
1856	=pod	3211	=pod
1857		3212
1858	The following fucntions and emthods are available within a safe environment:	3213	The following functions and methods are available within a safe environment:
1859		3214
1860	cf::object contr pay_amount pay_player map	3215	cf::object
		3216	contr pay_amount pay_player map x y force_find force_add destroy
		3217	insert remove name archname title slaying race decrease split
		3218	value
		3219
1861	cf::object::player player	3220	cf::object::player
1862	cf::player peaceful	3221	player
1863	cf::map trigger	3222
		3223	cf::player
		3224	peaceful
		3225
		3226	cf::map
		3227	trigger
1864		3228
1865	=cut	3229	=cut
1866		3230
1867	for (	3231	for (
1868	["cf::object" => qw(contr pay_amount pay_player map)],	3232	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3233	insert remove inv nrof name archname title slaying race
		3234	decrease split destroy change_exp value msg lore send_msg)],
1869	["cf::object::player" => qw(player)],	3235	["cf::object::player" => qw(player)],
1870	["cf::player" => qw(peaceful)],	3236	["cf::player" => qw(peaceful send_msg)],
1871	["cf::map" => qw(trigger)],	3237	["cf::map" => qw(trigger)],
1872	) {	3238	) {
1873	no strict 'refs';	3239	no strict 'refs';
1874	my ($pkg, @funs) = @$_;	3240	my ($pkg, @funs) = @$_;
1875	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3241	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
1893		3259
1894	my $qcode = $code;	3260	my $qcode = $code;
1895	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3261	$qcode =~ s/"/‟/g; # not allowed in #line filenames
1896	$qcode =~ s/\n/\\n/g;	3262	$qcode =~ s/\n/\\n/g;
1897		3263
		3264	%vars = (_dummy => 0) unless %vars;
		3265
		3266	my @res;
1898	local $_;	3267	local $_;
1899	local @safe::cf::_safe_eval_args = values %vars;
1900		3268
1901	my $eval =	3269	my $eval =
1902	"do {\n"	3270	"do {\n"
1903	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3271	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
1904	. "#line 0 \"{$qcode}\"\n"	3272	. "#line 0 \"{$qcode}\"\n"
1905	. $code	3273	. $code
1906	. "\n}"	3274	. "\n}"
1907	;	3275	;
1908		3276
		3277	if ($CFG{safe_eval}) {
1909	sub_generation_inc;	3278	sub_generation_inc;
		3279	local @safe::cf::_safe_eval_args = values %vars;
1910	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3280	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
1911	sub_generation_inc;	3281	sub_generation_inc;
		3282	} else {
		3283	local @cf::_safe_eval_args = values %vars;
		3284	@res = wantarray ? eval eval : scalar eval $eval;
		3285	}
1912		3286
1913	if ($@) {	3287	if ($@) {
1914	warn "$@";	3288	warn "$@";
1915	warn "while executing safe code '$code'\n";	3289	warn "while executing safe code '$code'\n";
1916	warn "with arguments " . (join " ", %vars) . "\n";	3290	warn "with arguments " . (join " ", %vars) . "\n";
…		…
1935	=cut	3309	=cut
1936		3310
1937	sub register_script_function {	3311	sub register_script_function {
1938	my ($fun, $cb) = @_;	3312	my ($fun, $cb) = @_;
1939		3313
1940	no strict 'refs';	3314	$fun = "safe::$fun" if $CFG{safe_eval};
1941	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3315	*$fun = $safe_hole->wrap ($cb);
1942	}	3316	}
1943		3317
1944	=back	3318	=back
1945		3319
1946	=cut	3320	=cut
1947		3321
1948	#############################################################################	3322	#############################################################################
		3323	# the server's init and main functions
1949		3324
1950	=head2 EXTENSION DATABASE SUPPORT	3325	sub load_facedata($) {
		3326	my ($path) = @_;
1951		3327
1952	Crossfire maintains a very simple database for extension use. It can	3328	# HACK to clear player env face cache, we need some signal framework
1953	currently store anything that can be serialised using Storable, which	3329	# for this (global event?)
1954	excludes objects.	3330	%ext::player_env::MUSIC_FACE_CACHE = ();
1955		3331
1956	The parameter C<$family> should best start with the name of the extension	3332	my $enc = JSON::XS->new->utf8->canonical->relaxed;
1957	using it, it should be unique.
1958		3333
1959	=over 4	3334	warn "loading facedata from $path\n";
1960		3335
1961	=item $hashref = cf::db_get $family	3336	my $facedata;
		3337	0 < aio_load $path, $facedata
		3338	or die "$path: $!";
1962		3339
1963	Return a hashref for use by the extension C<$family>, which can be	3340	$facedata = Coro::Storable::thaw $facedata;
1964	modified. After modifications, you have to call C<cf::db_dirty> or
1965	C<cf::db_sync>.
1966		3341
1967	=item $value = cf::db_get $family => $key	3342	$facedata->{version} == 2
		3343	or cf::cleanup "$path: version mismatch, cannot proceed.";
1968		3344
1969	Returns a single value from the database	3345	# patch in the exptable
1970		3346	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
1971	=item cf::db_put $family => $hashref	3347	$facedata->{resource}{"res/exp_table"} = {
1972		3348	type => FT_RSRC,
1973	Stores the given family hashref into the database. Updates are delayed, if	3349	data => $exp_table,
1974	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3350	hash => (Digest::MD5::md5 $exp_table),
1975
1976	=item cf::db_put $family => $key => $value
1977
1978	Stores the given C<$value> in the family hash. Updates are delayed, if you
1979	want the data to be synced to disk immediately, use C<cf::db_sync>.
1980
1981	=item cf::db_dirty
1982
1983	Marks the database as dirty, to be updated at a later time.
1984
1985	=item cf::db_sync
1986
1987	Immediately write the database to disk I<if it is dirty>.
1988
1989	=cut
1990
1991	our $DB;
1992
1993	{
1994	my $path = cf::localdir . "/database.pst";
1995
1996	sub db_load() {
1997	$DB = stat $path ? Storable::retrieve $path : { };
1998	}
1999
2000	my $pid;
2001
2002	sub db_save() {
2003	waitpid $pid, 0 if $pid;
2004	if (0 == ($pid = fork)) {
2005	$DB->{_meta}{version} = 1;
2006	Storable::nstore $DB, "$path~";
2007	rename "$path~", $path;
2008	cf::_exit 0 if defined $pid;
2009	}
2010	}
2011
2012	my $dirty;
2013
2014	sub db_sync() {
2015	db_save if $dirty;
2016	undef $dirty;
2017	}
2018
2019	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2020	db_sync;
2021	});	3351	};
		3352	cf::cede_to_tick;
2022		3353
2023	sub db_dirty() {
2024	$dirty = 1;
2025	$idle->start;
2026	}	3354	{
		3355	my $faces = $facedata->{faceinfo};
2027		3356
2028	sub db_get($;$) {	3357	while (my ($face, $info) = each %$faces) {
2029	@_ >= 2	3358	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2030	? $DB->{$_[0]}{$_[1]}
2031	: ($DB->{$_[0]} ||= { })
2032	}
2033		3359
2034	sub db_put($$;$) {	3360	cf::face::set_visibility $idx, $info->{visibility};
2035	if (@_ >= 3) {	3361	cf::face::set_magicmap $idx, $info->{magicmap};
2036	$DB->{$_[0]}{$_[1]} = $_[2];	3362	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2037	} else {	3363	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2038	$DB->{$_[0]} = $_[1];
2039	}
2040	db_dirty;
2041	}
2042		3364
2043	cf::global->attach (	3365	cf::cede_to_tick;
2044	prio => 10000,
2045	on_cleanup => sub {
2046	db_sync;
2047	},	3366	}
2048	);
2049	}
2050		3367
2051	#############################################################################	3368	while (my ($face, $info) = each %$faces) {
2052	# the server's main()	3369	next unless $info->{smooth};
2053		3370
2054	sub cfg_load {	3371	my $idx = cf::face::find $face
		3372	or next;
		3373
		3374	if (my $smooth = cf::face::find $info->{smooth}) {
		3375	cf::face::set_smooth $idx, $smooth;
		3376	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3377	} else {
		3378	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3379	}
		3380
		3381	cf::cede_to_tick;
		3382	}
		3383	}
		3384
		3385	{
		3386	my $anims = $facedata->{animinfo};
		3387
		3388	while (my ($anim, $info) = each %$anims) {
		3389	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3390	cf::cede_to_tick;
		3391	}
		3392
		3393	cf::anim::invalidate_all; # d'oh
		3394	}
		3395
		3396	{
		3397	my $res = $facedata->{resource};
		3398
		3399	while (my ($name, $info) = each %$res) {
		3400	if (defined $info->{type}) {
		3401	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3402
		3403	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3404	cf::face::set_type $idx, $info->{type};
		3405	} else {
		3406	$RESOURCE{$name} = $info;
		3407	}
		3408
		3409	cf::cede_to_tick;
		3410	}
		3411	}
		3412
		3413	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3414
		3415	1
		3416	}
		3417
		3418	cf::global->attach (on_resource_update => sub {
		3419	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3420	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3421
		3422	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3423	my $sound = $soundconf->{compat}[$_]
		3424	or next;
		3425
		3426	my $face = cf::face::find "sound/$sound->[1]";
		3427	cf::sound::set $sound->[0] => $face;
		3428	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3429	}
		3430
		3431	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3432	my $face = cf::face::find "sound/$v";
		3433	cf::sound::set $k => $face;
		3434	}
		3435	}
		3436	});
		3437
		3438	register_exticmd fx_want => sub {
		3439	my ($ns, $want) = @_;
		3440
		3441	while (my ($k, $v) = each %$want) {
		3442	$ns->fx_want ($k, $v);
		3443	}
		3444	};
		3445
		3446	sub load_resource_file($) {
		3447	my $guard = lock_acquire "load_resource_file";
		3448
		3449	my $status = load_resource_file_ $_[0];
		3450	get_slot 0.1, 100;
		3451	cf::arch::commit_load;
		3452
		3453	$status
		3454	}
		3455
		3456	sub reload_regions {
		3457	# HACK to clear player env face cache, we need some signal framework
		3458	# for this (global event?)
		3459	%ext::player_env::MUSIC_FACE_CACHE = ();
		3460
		3461	load_resource_file "$MAPDIR/regions"
		3462	or die "unable to load regions file\n";
		3463
		3464	for (cf::region::list) {
		3465	$_->{match} = qr/$_->{match}/
		3466	if exists $_->{match};
		3467	}
		3468	}
		3469
		3470	sub reload_facedata {
		3471	load_facedata "$DATADIR/facedata"
		3472	or die "unable to load facedata\n";
		3473	}
		3474
		3475	sub reload_archetypes {
		3476	load_resource_file "$DATADIR/archetypes"
		3477	or die "unable to load archetypes\n";
		3478	}
		3479
		3480	sub reload_treasures {
		3481	load_resource_file "$DATADIR/treasures"
		3482	or die "unable to load treasurelists\n";
		3483	}
		3484
		3485	sub reload_resources {
		3486	warn "reloading resource files...\n";
		3487
		3488	reload_facedata;
		3489	reload_archetypes;
		3490	reload_regions;
		3491	reload_treasures;
		3492
		3493	warn "finished reloading resource files\n";
		3494	}
		3495
		3496	sub reload_config {
		3497	warn "reloading config file...\n";
		3498
2055	open my $fh, "<:utf8", cf::confdir . "/config"	3499	open my $fh, "<:utf8", "$CONFDIR/config"
2056	or return;	3500	or return;
2057		3501
2058	local $/;	3502	local $/;
2059	*CFG = YAML::Syck::Load <$fh>;	3503	*CFG = YAML::XS::Load scalar <$fh>;
2060		3504
2061	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3505	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2062		3506
2063	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3507	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2064	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3508	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2065		3509
2066	if (exists $CFG{mlockall}) {	3510	if (exists $CFG{mlockall}) {
2067	eval {	3511	eval {
2068	$CFG{mlockall} ? &mlockall : &munlockall	3512	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2069	and die "WARNING: m(un)lockall failed: $!\n";	3513	and die "WARNING: m(un)lockall failed: $!\n";
2070	};	3514	};
2071	warn $@ if $@;	3515	warn $@ if $@;
2072	}	3516	}
		3517
		3518	warn "finished reloading resource files\n";
		3519	}
		3520
		3521	sub pidfile() {
		3522	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3523	or die "$PIDFILE: $!";
		3524	flock $fh, &Fcntl::LOCK_EX
		3525	or die "$PIDFILE: flock: $!";
		3526	$fh
		3527	}
		3528
		3529	# make sure only one server instance is running at any one time
		3530	sub atomic {
		3531	my $fh = pidfile;
		3532
		3533	my $pid = <$fh>;
		3534	kill 9, $pid if $pid > 0;
		3535
		3536	seek $fh, 0, 0;
		3537	print $fh $$;
		3538	}
		3539
		3540	sub main_loop {
		3541	warn "EV::loop starting\n";
		3542	if (1) {
		3543	EV::loop;
		3544	}
		3545	warn "EV::loop returned\n";
		3546	goto &main_loop unless $REALLY_UNLOOP;
2073	}	3547	}
2074		3548
2075	sub main {	3549	sub main {
		3550	cf::init_globals; # initialise logging
		3551
		3552	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3553	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3554	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3555	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3556
		3557	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3558
2076	# we must not ever block the main coroutine	3559	# we must not ever block the main coroutine
2077	local $Coro::idle = sub {	3560	local $Coro::idle = sub {
2078	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3561	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2079	async { Event::one_event };	3562	(async {
		3563	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3564	EV::loop EV::LOOP_ONESHOT;
		3565	})->prio (Coro::PRIO_MAX);
2080	};	3566	};
2081		3567
2082	cfg_load;	3568	evthread_start IO::AIO::poll_fileno;
2083	db_load;	3569
		3570	cf::sync_job {
		3571	cf::init_experience;
		3572	cf::init_anim;
		3573	cf::init_attackmess;
		3574	cf::init_dynamic;
		3575
		3576	cf::load_settings;
		3577	cf::load_materials;
		3578
		3579	reload_resources;
		3580	reload_config;
		3581	db_init;
		3582
		3583	cf::init_uuid;
		3584	cf::init_signals;
		3585	cf::init_skills;
		3586
		3587	cf::init_beforeplay;
		3588
		3589	atomic;
		3590
2084	load_extensions;	3591	load_extensions;
2085	Event::loop;	3592
		3593	utime time, time, $RUNTIMEFILE;
		3594
		3595	# no (long-running) fork's whatsoever before this point(!)
		3596	use POSIX ();
		3597	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3598
		3599	(pop @POST_INIT)->(0) while @POST_INIT;
		3600	};
		3601
		3602	cf::object::thawer::errors_are_fatal 0;
		3603	warn "parse errors in files are no longer fatal from this point on.\n";
		3604
		3605	main_loop;
2086	}	3606	}
2087		3607
2088	#############################################################################	3608	#############################################################################
2089	# initialisation	3609	# initialisation and cleanup
2090		3610
		3611	# install some emergency cleanup handlers
		3612	BEGIN {
		3613	our %SIGWATCHER = ();
		3614	for my $signal (qw(INT HUP TERM)) {
		3615	$SIGWATCHER{$signal} = AE::signal $signal, sub {
		3616	cf::cleanup "SIG$signal";
		3617	};
		3618	}
		3619	}
		3620
		3621	sub write_runtime_sync {
		3622	my $t0 = AE::time;
		3623
		3624	# first touch the runtime file to show we are still running:
		3625	# the fsync below can take a very very long time.
		3626
		3627	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3628
		3629	my $guard = cf::lock_acquire "write_runtime";
		3630
		3631	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3632	or return;
		3633
		3634	my $value = $cf::RUNTIME + 90 + 10;
		3635	# 10 is the runtime save interval, for a monotonic clock
		3636	# 60 allows for the watchdog to kill the server.
		3637
		3638	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3639	and return;
		3640
		3641	# always fsync - this file is important
		3642	aio_fsync $fh
		3643	and return;
		3644
		3645	# touch it again to show we are up-to-date
		3646	aio_utime $fh, undef, undef;
		3647
		3648	close $fh
		3649	or return;
		3650
		3651	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3652	and return;
		3653
		3654	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3655
		3656	1
		3657	}
		3658
		3659	our $uuid_lock;
		3660	our $uuid_skip;
		3661
		3662	sub write_uuid_sync($) {
		3663	$uuid_skip ||= $_[0];
		3664
		3665	return if $uuid_lock;
		3666	local $uuid_lock = 1;
		3667
		3668	my $uuid = "$LOCALDIR/uuid";
		3669
		3670	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3671	or return;
		3672
		3673	my $value = uuid_seq uuid_cur;
		3674
		3675	unless ($value) {
		3676	warn "cowardly refusing to write zero uuid value!\n";
		3677	return;
		3678	}
		3679
		3680	my $value = uuid_str $value + $uuid_skip;
		3681	$uuid_skip = 0;
		3682
		3683	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3684	and return;
		3685
		3686	# always fsync - this file is important
		3687	aio_fsync $fh
		3688	and return;
		3689
		3690	close $fh
		3691	or return;
		3692
		3693	aio_rename "$uuid~", $uuid
		3694	and return;
		3695
		3696	warn "uuid file written ($value).\n";
		3697
		3698	1
		3699
		3700	}
		3701
		3702	sub write_uuid($$) {
		3703	my ($skip, $sync) = @_;
		3704
		3705	$sync ? write_uuid_sync $skip
		3706	: async { write_uuid_sync $skip };
		3707	}
		3708
		3709	sub emergency_save() {
		3710	my $freeze_guard = cf::freeze_mainloop;
		3711
		3712	warn "emergency_perl_save: enter\n";
		3713
		3714	cf::sync_job {
		3715	# this is a trade-off: we want to be very quick here, so
		3716	# save all maps without fsync, and later call a global sync
		3717	# (which in turn might be very very slow)
		3718	local $USE_FSYNC = 0;
		3719
		3720	# use a peculiar iteration method to avoid tripping on perl
		3721	# refcount bugs in for. also avoids problems with players
		3722	# and maps saved/destroyed asynchronously.
		3723	warn "emergency_perl_save: begin player save\n";
		3724	for my $login (keys %cf::PLAYER) {
		3725	my $pl = $cf::PLAYER{$login} or next;
		3726	$pl->valid or next;
		3727	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
		3728	$pl->save;
		3729	}
		3730	warn "emergency_perl_save: end player save\n";
		3731
		3732	warn "emergency_perl_save: begin map save\n";
		3733	for my $path (keys %cf::MAP) {
		3734	my $map = $cf::MAP{$path} or next;
		3735	$map->valid or next;
		3736	$map->save;
		3737	}
		3738	warn "emergency_perl_save: end map save\n";
		3739
		3740	warn "emergency_perl_save: begin database checkpoint\n";
		3741	BDB::db_env_txn_checkpoint $DB_ENV;
		3742	warn "emergency_perl_save: end database checkpoint\n";
		3743
		3744	warn "emergency_perl_save: begin write uuid\n";
		3745	write_uuid_sync 1;
		3746	warn "emergency_perl_save: end write uuid\n";
		3747	};
		3748
		3749	warn "emergency_perl_save: starting sync()\n";
		3750	IO::AIO::aio_sync sub {
		3751	warn "emergency_perl_save: finished sync()\n";
		3752	};
		3753
		3754	warn "emergency_perl_save: leave\n";
		3755	}
		3756
		3757	sub post_cleanup {
		3758	my ($make_core) = @_;
		3759
		3760	warn Carp::longmess "post_cleanup backtrace"
		3761	if $make_core;
		3762
		3763	my $fh = pidfile;
		3764	unlink $PIDFILE if <$fh> == $$;
		3765	}
		3766
		3767	# a safer delete_package, copied from Symbol
		3768	sub clear_package($) {
		3769	my $pkg = shift;
		3770
		3771	# expand to full symbol table name if needed
		3772	unless ($pkg =~ /^main::.*::$/) {
		3773	$pkg = "main$pkg" if $pkg =~ /^::/;
		3774	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3775	$pkg .= '::' unless $pkg =~ /::$/;
		3776	}
		3777
		3778	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3779	my $stem_symtab = *{$stem}{HASH};
		3780
		3781	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3782	or return;
		3783
		3784	# clear all symbols
		3785	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3786	for my $name (keys %$leaf_symtab) {
		3787	_gv_clear *{"$pkg$name"};
		3788	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3789	}
		3790	warn "cleared package $pkg\n";#d#
		3791	}
		3792
2091	sub reload() {	3793	sub do_reload_perl() {
2092	# can/must only be called in main	3794	# can/must only be called in main
2093	if ($Coro::current != $Coro::main) {	3795	if ($Coro::current != $Coro::main) {
2094	warn "can only reload from main coroutine\n";	3796	warn "can only reload from main coroutine";
2095	return;	3797	return;
2096	}	3798	}
2097		3799
		3800	return if $RELOAD++;
		3801
		3802	my $t1 = AE::time;
		3803
		3804	while ($RELOAD) {
2098	warn "reloading...";	3805	warn "reloading...";
2099		3806
2100	my $guard = freeze_mainloop;	3807	warn "entering sync_job";
		3808
		3809	cf::sync_job {
		3810	cf::write_runtime_sync; # external watchdog should not bark
2101	cf::emergency_save;	3811	cf::emergency_save;
		3812	cf::write_runtime_sync; # external watchdog should not bark
2102		3813
2103	eval {	3814	warn "syncing database to disk";
		3815	BDB::db_env_txn_checkpoint $DB_ENV;
		3816
2104	# if anything goes wrong in here, we should simply crash as we already saved	3817	# if anything goes wrong in here, we should simply crash as we already saved
2105		3818
2106	# cancel all watchers	3819	warn "flushing outstanding aio requests";
2107	for (Event::all_watchers) {	3820	while (IO::AIO::nreqs || BDB::nreqs) {
2108	$_->cancel if $_->data & WF_AUTOCANCEL;	3821	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2109	}
2110
2111	# cancel all extension coros
2112	$_->cancel for values %EXT_CORO;
2113	%EXT_CORO = ();
2114
2115	# unload all extensions
2116	for (@exts) {
2117	warn "unloading <$_>";
2118	unload_extension $_;
2119	}
2120
2121	# unload all modules loaded from $LIBDIR
2122	while (my ($k, $v) = each %INC) {
2123	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2124
2125	warn "removing <$k>";
2126	delete $INC{$k};
2127
2128	$k =~ s/\.pm$//;
2129	$k =~ s/\//::/g;
2130
2131	if (my $cb = $k->can ("unload_module")) {
2132	$cb->();
2133	}	3822	}
2134		3823
2135	Symbol::delete_package $k;	3824	warn "cancelling all extension coros";
		3825	$_->cancel for values %EXT_CORO;
		3826	%EXT_CORO = ();
		3827
		3828	warn "removing commands";
		3829	%COMMAND = ();
		3830
		3831	warn "removing ext/exti commands";
		3832	%EXTCMD = ();
		3833	%EXTICMD = ();
		3834
		3835	warn "unloading/nuking all extensions";
		3836	for my $pkg (@EXTS) {
		3837	warn "... unloading $pkg";
		3838
		3839	if (my $cb = $pkg->can ("unload")) {
		3840	eval {
		3841	$cb->($pkg);
		3842	1
		3843	} or warn "$pkg unloaded, but with errors: $@";
		3844	}
		3845
		3846	warn "... clearing $pkg";
		3847	clear_package $pkg;
2136	}	3848	}
2137		3849
2138	# sync database to disk	3850	warn "unloading all perl modules loaded from $LIBDIR";
2139	cf::db_sync;	3851	while (my ($k, $v) = each %INC) {
2140	IO::AIO::flush;	3852	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2141		3853
		3854	warn "... unloading $k";
		3855	delete $INC{$k};
		3856
		3857	$k =~ s/\.pm$//;
		3858	$k =~ s/\//::/g;
		3859
		3860	if (my $cb = $k->can ("unload_module")) {
		3861	$cb->();
		3862	}
		3863
		3864	clear_package $k;
		3865	}
		3866
2142	# get rid of safe::, as good as possible	3867	warn "getting rid of safe::, as good as possible";
2143	Symbol::delete_package "safe::$_"	3868	clear_package "safe::$_"
2144	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3869	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2145		3870
2146	# remove register_script_function callbacks	3871	warn "unloading cf.pm \"a bit\"";
2147	# TODO
2148
2149	# unload cf.pm "a bit"
2150	delete $INC{"cf.pm"};	3872	delete $INC{"cf.pm"};
		3873	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2151		3874
2152	# don't, removes xs symbols, too,	3875	# don't, removes xs symbols, too,
2153	# and global variables created in xs	3876	# and global variables created in xs
2154	#Symbol::delete_package __PACKAGE__;	3877	#clear_package __PACKAGE__;
2155		3878
2156	# reload cf.pm	3879	warn "unload completed, starting to reload now";
		3880
2157	warn "reloading cf.pm";	3881	warn "reloading cf.pm";
2158	require cf;	3882	require cf;
2159	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3883	cf::_connect_to_perl_1;
2160		3884
2161	# load config and database again	3885	warn "loading config and database again";
2162	cf::cfg_load;	3886	cf::reload_config;
2163	cf::db_load;
2164		3887
2165	# load extensions
2166	warn "load extensions";	3888	warn "loading extensions";
2167	cf::load_extensions;	3889	cf::load_extensions;
2168		3890
2169	# reattach attachments to objects	3891	if ($REATTACH_ON_RELOAD) {
		3892	warn "reattaching attachments to objects/players";
		3893	_global_reattach; # objects, sockets
		3894	warn "reattaching attachments to maps";
		3895	reattach $_ for values %MAP;
		3896	warn "reattaching attachments to players";
		3897	reattach $_ for values %PLAYER;
		3898	}
		3899
		3900	warn "running post_init jobs";
		3901	(pop @POST_INIT)->(1) while @POST_INIT;
		3902
		3903	warn "leaving sync_job";
		3904
		3905	1
		3906	} or do {
		3907	warn $@;
		3908	cf::cleanup "error while reloading, exiting.";
		3909	};
		3910
2170	warn "reattach";	3911	warn "reloaded";
2171	_global_reattach;	3912	--$RELOAD;
		3913	}
		3914
		3915	$t1 = AE::time - $t1;
		3916	warn "reload completed in ${t1}s\n";
		3917	};
		3918
		3919	our $RELOAD_WATCHER; # used only during reload
		3920
		3921	sub reload_perl() {
		3922	# doing reload synchronously and two reloads happen back-to-back,
		3923	# coro crashes during coro_state_free->destroy here.
		3924
		3925	$RELOAD_WATCHER ||= cf::async {
		3926	Coro::AIO::aio_wait cache_extensions;
		3927
		3928	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3929	do_reload_perl;
		3930	undef $RELOAD_WATCHER;
		3931	};
2172	};	3932	};
2173
2174	if ($@) {
2175	warn $@;
2176	warn "error while reloading, exiting.";
2177	exit 1;
2178	}
2179
2180	warn "reloaded successfully";
2181	};
2182
2183	#############################################################################
2184
2185	unless ($LINK_MAP) {
2186	$LINK_MAP = cf::map::new;
2187
2188	$LINK_MAP->width (41);
2189	$LINK_MAP->height (41);
2190	$LINK_MAP->alloc;
2191	$LINK_MAP->path ("{link}");
2192	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2193	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2194
2195	# dirty hack because... archetypes are not yet loaded
2196	Event->timer (
2197	after => 10,
2198	cb => sub {
2199	$_[0]->w->cancel;
2200
2201	# provide some exits "home"
2202	my $exit = cf::object::new "exit";
2203
2204	$exit->slaying ($EMERGENCY_POSITION->[0]);
2205	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2206	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2207
2208	$LINK_MAP->insert ($exit->clone, 19, 19);
2209	$LINK_MAP->insert ($exit->clone, 19, 20);
2210	$LINK_MAP->insert ($exit->clone, 19, 21);
2211	$LINK_MAP->insert ($exit->clone, 20, 19);
2212	$LINK_MAP->insert ($exit->clone, 20, 21);
2213	$LINK_MAP->insert ($exit->clone, 21, 19);
2214	$LINK_MAP->insert ($exit->clone, 21, 20);
2215	$LINK_MAP->insert ($exit->clone, 21, 21);
2216
2217	$exit->destroy;
2218	});
2219
2220	$LINK_MAP->{deny_save} = 1;
2221	$LINK_MAP->{deny_reset} = 1;
2222
2223	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2224	}	3933	}
2225
2226	register "<global>", __PACKAGE__;
2227		3934
2228	register_command "reload" => sub {	3935	register_command "reload" => sub {
2229	my ($who, $arg) = @_;	3936	my ($who, $arg) = @_;
2230		3937
2231	if ($who->flag (FLAG_WIZ)) {	3938	if ($who->flag (FLAG_WIZ)) {
2232	$who->message ("start of reload.");
2233	reload;
2234	$who->message ("end of reload.");	3939	$who->message ("reloading server.");
		3940	async {
		3941	$Coro::current->{desc} = "perl_reload";
		3942	reload_perl;
		3943	};
2235	}	3944	}
2236	};	3945	};
2237		3946
2238	unshift @INC, $LIBDIR;	3947	unshift @INC, $LIBDIR;
2239		3948
2240	$TICK_WATCHER = Event->timer (	3949	my $bug_warning = 0;
2241	reentrant => 0,	3950
2242	prio => 0,	3951	our @WAIT_FOR_TICK;
2243	at => $NEXT_TICK || $TICK,	3952	our @WAIT_FOR_TICK_BEGIN;
2244	data => WF_AUTOCANCEL,	3953
2245	cb => sub {	3954	sub wait_for_tick {
		3955	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3956
		3957	my $signal = new Coro::Signal;
		3958	push @WAIT_FOR_TICK, $signal;
		3959	$signal->wait;
		3960	}
		3961
		3962	sub wait_for_tick_begin {
		3963	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3964
		3965	my $signal = new Coro::Signal;
		3966	push @WAIT_FOR_TICK_BEGIN, $signal;
		3967	$signal->wait;
		3968	}
		3969
		3970	sub tick {
		3971	if ($Coro::current != $Coro::main) {
		3972	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3973	unless ++$bug_warning > 10;
		3974	return;
		3975	}
		3976
2246	cf::server_tick; # one server iteration	3977	cf::server_tick; # one server iteration
2247	$RUNTIME += $TICK;
2248	$NEXT_TICK += $TICK;
2249		3978
2250	# if we are delayed by four ticks or more, skip them all	3979	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2251	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2252		3980
2253	$TICK_WATCHER->at ($NEXT_TICK);	3981	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2254	$TICK_WATCHER->start;	3982	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2255	},	3983	Coro::async_pool {
2256	);	3984	$Coro::current->{desc} = "runtime saver";
2257
2258	IO::AIO::max_poll_time $TICK * 0.2;
2259
2260	Event->io (
2261	fd => IO::AIO::poll_fileno,
2262	poll => 'r',
2263	prio => 5,
2264	data => WF_AUTOCANCEL,
2265	cb => \&IO::AIO::poll_cb,
2266	);
2267
2268	Event->timer (
2269	data => WF_AUTOCANCEL,
2270	after => 0,
2271	interval => 10,
2272	cb => sub {
2273	(Coro::unblock_sub {
2274	write_runtime	3985	write_runtime_sync
2275	or warn "ERROR: unable to write runtime file: $!";	3986	or warn "ERROR: unable to write runtime file: $!";
2276	})->();	3987	};
2277	},	3988	}
2278	);	3989
		3990	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3991	$sig->send;
		3992	}
		3993	while (my $sig = shift @WAIT_FOR_TICK) {
		3994	$sig->send;
		3995	}
		3996
		3997	$LOAD = ($NOW - $TICK_START) / $TICK;
		3998	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3999
		4000	if (0) {
		4001	if ($NEXT_TICK) {
		4002	my $jitter = $TICK_START - $NEXT_TICK;
		4003	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4004	warn "jitter $JITTER\n";#d#
		4005	}
		4006	}
		4007	}
		4008
		4009	{
		4010	# configure BDB
		4011
		4012	BDB::min_parallel 16;
		4013	BDB::max_poll_reqs $TICK * 0.1;
		4014	$AnyEvent::BDB::WATCHER->priority (1);
		4015
		4016	unless ($DB_ENV) {
		4017	$DB_ENV = BDB::db_env_create;
		4018	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4019	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4020	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4021	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4022	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4023
		4024	cf::sync_job {
		4025	eval {
		4026	BDB::db_env_open
		4027	$DB_ENV,
		4028	$BDBDIR,
		4029	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4030	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4031	0666;
		4032
		4033	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4034	};
		4035
		4036	cf::cleanup "db_env_open(db): $@" if $@;
		4037	};
		4038	}
		4039
		4040	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4041	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4042	};
		4043	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4044	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4045	};
		4046	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4047	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4048	};
		4049	}
		4050
		4051	{
		4052	# configure IO::AIO
		4053
		4054	IO::AIO::min_parallel 8;
		4055	IO::AIO::max_poll_time $TICK * 0.1;
		4056	undef $AnyEvent::AIO::WATCHER;
		4057	}
		4058
		4059	my $_log_backtrace;
		4060
		4061	sub _log_backtrace {
		4062	my ($msg, @addr) = @_;
		4063
		4064	$msg =~ s/\n//;
		4065
		4066	# limit the # of concurrent backtraces
		4067	if ($_log_backtrace < 2) {
		4068	++$_log_backtrace;
		4069	my $perl_bt = Carp::longmess $msg;
		4070	async {
		4071	$Coro::current->{desc} = "abt $msg";
		4072
		4073	my @bt = fork_call {
		4074	@addr = map { sprintf "%x", $_ } @addr;
		4075	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4076	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4077	or die "addr2line: $!";
		4078
		4079	my @funcs;
		4080	my @res = <$fh>;
		4081	chomp for @res;
		4082	while (@res) {
		4083	my ($func, $line) = splice @res, 0, 2, ();
		4084	push @funcs, "[$func] $line";
		4085	}
		4086
		4087	@funcs
		4088	};
		4089
		4090	LOG llevInfo, "[ABT] $perl_bt\n";
		4091	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4092	LOG llevInfo, "[ABT] $_\n" for @bt;
		4093	--$_log_backtrace;
		4094	};
		4095	} else {
		4096	LOG llevInfo, "[ABT] $msg\n";
		4097	LOG llevInfo, "[ABT] [suppressed]\n";
		4098	}
		4099	}
		4100
		4101	# load additional modules
		4102	require "cf/$_.pm" for @EXTRA_MODULES;
		4103	cf::_connect_to_perl_2;
2279		4104
2280	END { cf::emergency_save }	4105	END { cf::emergency_save }
2281		4106
2282	1	4107	1
2283		4108

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