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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.130 by root, Thu Jan 4 00:08:08 2007 UTC vs.
Revision 1.513 by root, Mon Apr 12 05:22:38 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Storable;	31	use Socket;
		32	use EV;
9	use Opcode;	33	use Opcode;
10	use Safe;	34	use Safe;
11	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
12		38
		39	use Guard ();
13	use Coro 3.3 ();	40	use Coro ();
		41	use Coro::State;
		42	use Coro::Handle;
		43	use Coro::EV;
14	use Coro::Event;	44	use Coro::AnyEvent;
15	use Coro::Timer;	45	use Coro::Timer;
16	use Coro::Signal;	46	use Coro::Signal;
17	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
18	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
		52	use Coro::Storable;
		53	use Coro::Util ();
19		54
20	use Digest::MD5;	55	use JSON::XS 2.01 ();
		56	use BDB ();
		57	use Data::Dumper;
21	use Fcntl;	58	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	59	use YAML::XS ();
		60	use IO::AIO ();
24	use Time::HiRes;	61	use Time::HiRes;
		62	use Compress::LZF;
		63	use Digest::MD5 ();
25		64
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	65	AnyEvent::detect;
27		66
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	67	# configure various modules to our taste
29	$YAML::Syck::ImplicitUnicode = 1;	68	#
		69	$Storable::canonical = 1; # reduce rsync transfers
		70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
30		71
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		77
		78	# strictly for debugging
		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
32		80
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		82
35	our %COMMAND = ();	83	our %COMMAND = ();
36	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
		85
		86	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
		89	our %EXT_CORO = (); # coroutines bound to extensions
		90	our %EXT_MAP = (); # pluggable maps
38		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
39	our @EVENT;	93	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
41		96
42	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
43	our $TICK_WATCHER;	98	our $DATADIR = datadir;
		99	our $LIBDIR = "$DATADIR/ext";
		100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
		112
		113	our $OUTPUT_RATE_MIN = 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 %MAP; # all maps	134	our (%PLAYER, %PLAYER_LOADING); # all users
53	our $LINK_MAP; # the special {link} map	135	our (%MAP, %MAP_LOADING ); # all maps
54	our $FREEZE;	136	our $LINK_MAP; # the special {link} map, which is always available
55	our $RANDOM_MAPS = cf::localdir . "/random";	137
56	our %EXT_CORO;	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;
76		165
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	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::"} };
78		180
79	#############################################################################	181	#############################################################################
80		182
81	=head2 GLOBAL VARIABLES	183	=head2 GLOBAL VARIABLES
82		184
…		…
89	=item $cf::RUNTIME	191	=item $cf::RUNTIME
90		192
91	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
92	every server tick.	194	every server tick.
93		195
94	=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
95		199
96	The perl library directory, where extensions and cf-specific modules can	200	Various directories - "/etc", read-only install directory, perl-library
97	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.
98		204
99	=item $cf::NOW	205	=item $cf::NOW
100		206
101	The time of the last (current) server tick.	207	The time of the last (current) server tick.
102		208
103	=item $cf::TICK	209	=item $cf::TICK
104		210
105	The interval between server ticks, in seconds.	211	The interval between server ticks, in seconds.
106		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
107	=item %cf::CFG	223	=item %cf::CFG
108		224
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	225	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
110	from wherever your confdir points to.	226	from wherever your confdir points to.
111		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
112	=back	246	=back
113		247
114	=cut	248	=cut
115		249
116	BEGIN {	250	$Coro::State::WARNHOOK = sub {
117	*CORE::GLOBAL::warn = sub {
118	my $msg = join "", @_;	251	my $msg = join "", @_;
119	utf8::encode $msg;
120		252
121	$msg .= "\n"	253	$msg .= "\n"
122	unless $msg =~ /\n$/;	254	unless $msg =~ /\n$/;
123		255
		256	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		257
124	LOG llevError, "cfperl: $msg";	258	LOG llevError, $msg;
125	};	259	};
126	}	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	};
127		274
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	275	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	276	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
130	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	277	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
131	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	278	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
132	@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';
133	@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)
134		282
135	# 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
136	# within the Safe compartment.	284	# within the Safe compartment.
137	for my $pkg (qw(	285	for my $pkg (qw(
138	cf::global cf::attachable	286	cf::global cf::attachable
139	cf::object cf::object::player	287	cf::object cf::object::player
140	cf::client cf::player	288	cf::client cf::player
141	cf::arch cf::living	289	cf::arch cf::living
		290	cf::map cf::mapspace
142	cf::map cf::party cf::region	291	cf::party cf::region
143	)) {	292	)) {
144	no strict 'refs';
145	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	293	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
146	}	294	}
147		295
148	$Event::DIED = sub {	296	$EV::DIED = sub {
149	warn "error in event callback: @_";	297	Carp::cluck "error in event callback: @_";
150	};	298	};
151		299
152	my %ext_pkg;	300	#############################################################################
153	my @exts;
154	my @hook;
155		301
156	=head2 UTILITY FUNCTIONS	302	=head2 UTILITY FUNCTIONS
157		303
158	=over 4	304	=over 4
159		305
160	=cut	306	=item dumpval $ref
161		307
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	308	=cut
163		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
164	=item $ref = cf::from_json $json	329	=item $ref = cf::decode_json $json
165		330
166	Converts a JSON string into the corresponding perl data structure.	331	Converts a JSON string into the corresponding perl data structure.
167		332
168	=cut
169
170	sub from_json($) {
171	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
172	JSON::Syck::Load $_[0]
173	}
174
175	=item $json = cf::to_json $ref	333	=item $json = cf::encode_json $ref
176		334
177	Converts a perl data structure into its JSON representation.	335	Converts a perl data structure into its JSON representation.
178		336
179	=cut	337	=cut
180		338
181	sub to_json($) {	339	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183	JSON::Syck::Dump $_[0]
184	}
185		340
186	=item my $guard = cf::guard { BLOCK }	341	sub encode_json($) { $json_coder->encode ($_[0]) }
		342	sub decode_json($) { $json_coder->decode ($_[0]) }
187		343
188	Run the given callback when the guard object gets destroyed (useful for	344	=item cf::post_init { BLOCK }
189	coroutine cancellations).
190		345
191	You can call C<< ->cancel >> on the guard object to stop the block from	346	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
192	being executed.	347	but I<before> the server starts ticking again.
193		348
194	=cut	349	The cdoeblock will have a single boolean argument to indicate whether this
		350	is a reload or not.
195		351
196	sub guard(&) {	352	=cut
197	bless \(my $cb = $_[0]), cf::guard::;
198	}
199		353
200	sub cf::guard::cancel {	354	sub post_init(&) {
201	${$_[0]} = sub { };	355	push @POST_INIT, shift;
202	}
203
204	sub cf::guard::DESTROY {
205	${$_[0]}->();
206	}	356	}
207		357
208	=item cf::lock_wait $string	358	=item cf::lock_wait $string
209		359
210	Wait until the given lock is available. See cf::lock_acquire.	360	Wait until the given lock is available. See cf::lock_acquire.
211		361
212	=item my $lock = cf::lock_acquire $string	362	=item my $lock = cf::lock_acquire $string
213		363
214	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
215	a 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,
216	for example when the coroutine gets canceled), the lock is automatically	366	for example when the coroutine gets canceled), the lock is automatically
217	returned.	367	returned.
218		368
		369	Locks are *not* recursive, locking from the same coro twice results in a
		370	deadlocked coro.
		371
219	Lock names should begin with a unique identifier (for example, find_map	372	Lock names should begin with a unique identifier (for example, cf::map::find
220	uses map_find and load_map uses map_load).	373	uses map_find and cf::map::load uses map_load).
221		374
222	=cut	375	=item $locked = cf::lock_active $string
223		376
224	our %LOCK;	377	Return true if the lock is currently active, i.e. somebody has locked it.
		378
		379	=cut
		380
		381	our $LOCKS = new Coro::SemaphoreSet;
225		382
226	sub lock_wait($) {	383	sub lock_wait($) {
227	my ($key) = @_;	384	$LOCKS->wait ($_[0]);
228
229	# wait for lock, if any
230	while ($LOCK{$key}) {
231	push @{ $LOCK{$key} }, $Coro::current;
232	Coro::schedule;
233	}
234	}	385	}
235		386
236	sub lock_acquire($) {	387	sub lock_acquire($) {
237	my ($key) = @_;	388	$LOCKS->guard ($_[0])
		389	}
238		390
239	# wait, to be sure we are not locked	391	sub lock_active($) {
240	lock_wait $key;	392	$LOCKS->count ($_[0]) < 1
		393	}
241		394
242	$LOCK{$key} = [];	395	sub freeze_mainloop {
		396	tick_inhibit_inc;
243		397
244	cf::guard {	398	&Guard::guard (\&tick_inhibit_dec);
245	# wake up all waiters, to be on the safe side	399	}
246	$_->ready for @{ delete $LOCK{$key} };	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 timer.
		405
		406	=cut
		407
		408	sub periodic($$) {
		409	my ($interval, $cb) = @_;
		410
		411	my $start = rand List::Util::min 180, $interval;
		412
		413	EV::periodic $start, $interval, 0, $cb
		414	}
		415
		416	=item cf::get_slot $time[, $priority[, $name]]
		417
		418	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		419	This call blocks and returns only when you have at least C<$time> seconds
		420	of cpu time till the next tick. The slot is only valid till the next cede.
		421
		422	The optional C<$name> can be used to identify the job to run. It might be
		423	used for statistical purposes and should identify the same time-class.
		424
		425	Useful for short background jobs.
		426
		427	=cut
		428
		429	our @SLOT_QUEUE;
		430	our $SLOT_QUEUE;
		431	our $SLOT_DECAY = 0.9;
		432
		433	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		434	$SLOT_QUEUE = Coro::async {
		435	$Coro::current->desc ("timeslot manager");
		436
		437	my $signal = new Coro::Signal;
		438	my $busy;
		439
		440	while () {
		441	next_job:
		442
		443	my $avail = cf::till_tick;
		444
		445	for (0 .. $#SLOT_QUEUE) {
		446	if ($SLOT_QUEUE[$_][0] <= $avail) {
		447	$busy = 0;
		448	my $job = splice @SLOT_QUEUE, $_, 1, ();
		449	$job->[2]->send;
		450	Coro::cede;
		451	goto next_job;
		452	} else {
		453	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		454	}
		455	}
		456
		457	if (@SLOT_QUEUE) {
		458	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		459	push @cf::WAIT_FOR_TICK, $signal;
		460	$signal->wait;
		461	} else {
		462	$busy = 0;
		463	Coro::schedule;
		464	}
247	}	465	}
		466	};
		467
		468	sub get_slot($;$$) {
		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	$sig->wait;
248	}	481	}
249		482
250	=item cf::async { BLOCK }	483	=item cf::async { BLOCK }
251		484
252	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the	485	Currently the same as Coro::async_pool, meaning you cannot use
253	error instead of exiting the server in case of a problem.	486	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		487	thing you are allowed to do is call C<prio> on it.
254		488
255	=cut	489	=cut
256		490
257	sub async(&) {	491	BEGIN { *async = \&Coro::async_pool }
258	my ($cb) = @_;
259
260	Coro::async {
261	eval { $cb->() };
262	warn $@ if $@;
263	}
264	}
265		492
266	=item cf::sync_job { BLOCK }	493	=item cf::sync_job { BLOCK }
267		494
268	The design of crossfire+ requires that the main coro ($Coro::main) is	495	The design of Deliantra requires that the main coroutine ($Coro::main)
269	always able to handle events or runnable, as crossfire+ is only partly	496	is always able to handle events or runnable, as Deliantra is only
270	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	497	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		498	acceptable.
271		499
272	If it must be done, put the blocking parts into C<sync_job>. This will run	500	If it must be done, put the blocking parts into C<sync_job>. This will run
273	the given BLOCK in another coroutine while waiting for the result. The	501	the given BLOCK in another coroutine while waiting for the result. The
274	server will be frozen during this time, so the block should either finish	502	server will be frozen during this time, so the block should either finish
275	fast or be very important.	503	fast or be very important.
…		…
278		506
279	sub sync_job(&) {	507	sub sync_job(&) {
280	my ($job) = @_;	508	my ($job) = @_;
281		509
282	if ($Coro::current == $Coro::main) {	510	if ($Coro::current == $Coro::main) {
		511	my $time = AE::time;
		512
283	# this is the main coro, too bad, we have to block	513	# this is the main coro, too bad, we have to block
284	# till the operation succeeds, freezing the server :/	514	# till the operation succeeds, freezing the server :/
285		515
286	# TODO: use suspend/resume instead	516	LOG llevError, Carp::longmess "sync job";#d#
287	# (but this is cancel-safe)	517
288	local $FREEZE = 1;	518	my $freeze_guard = freeze_mainloop;
289		519
290	my $busy = 1;	520	my $busy = 1;
291	my @res;	521	my @res;
292		522
293	(Coro::async {	523	(async {
		524	$Coro::current->desc ("sync job coro");
294	@res = eval { $job->() };	525	@res = eval { $job->() };
295	warn $@ if $@;	526	warn $@ if $@;
296	undef $busy;	527	undef $busy;
297	})->prio (Coro::PRIO_MAX);	528	})->prio (Coro::PRIO_MAX);
298		529
299	while ($busy) {	530	while ($busy) {
		531	if (Coro::nready) {
300	Coro::cede_notself;	532	Coro::cede_notself;
301	Event::one_event unless Coro::nready;	533	} else {
		534	EV::loop EV::LOOP_ONESHOT;
302	}	535	}
		536	}
		537
		538	my $time = AE::time - $time;
		539
		540	$TICK_START += $time; # do not account sync jobs to server load
303		541
304	wantarray ? @res : $res[0]	542	wantarray ? @res : $res[0]
305	} else {	543	} else {
306	# we are in another coroutine, how wonderful, everything just works	544	# we are in another coroutine, how wonderful, everything just works
307		545
308	$job->()	546	$job->()
309	}	547	}
310	}	548	}
311		549
312	=item $coro = cf::coro { BLOCK }	550	=item $coro = cf::async_ext { BLOCK }
313		551
314	Creates and returns a new coro. This coro is automcatially being canceled	552	Like async, but this coro is automatically being canceled when the
315	when the extension calling this is being unloaded.	553	extension calling this is being unloaded.
316		554
317	=cut	555	=cut
318		556
319	sub coro(&) {	557	sub async_ext(&) {
320	my $cb = shift;	558	my $cb = shift;
321		559
322	my $coro = &cf::async ($cb);	560	my $coro = &Coro::async ($cb);
323		561
324	$coro->on_destroy (sub {	562	$coro->on_destroy (sub {
325	delete $EXT_CORO{$coro+0};	563	delete $EXT_CORO{$coro+0};
326	});	564	});
327	$EXT_CORO{$coro+0} = $coro;	565	$EXT_CORO{$coro+0} = $coro;
328		566
329	$coro	567	$coro
330	}	568	}
331		569
332	sub write_runtime {	570	=item fork_call { }, $args
333	my $runtime = cf::localdir . "/runtime";
334		571
335	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	572	Executes the given code block with the given arguments in a seperate
336	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.
337		576
338	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	577	=cut
339	(aio_write $fh, 0, (length $value), $value, 0) <= 0
340	and return;
341		578
342	aio_fsync $fh	579	sub fork_call(&@) {
343	and return;	580	my ($cb, @args) = @_;
344		581
345	close $fh	582	# we seemingly have to make a local copy of the whole thing,
346	or return;	583	# otherwise perl prematurely frees the stuff :/
		584	# TODO: investigate and fix (likely this will be rather laborious)
347		585
348	aio_rename "$runtime~", $runtime	586	my @res = Coro::Util::fork_eval {
349	and return;	587	reset_signals;
		588	&$cb
		589	}, @args;
350		590
		591	wantarray ? @res : $res[-1]
		592	}
		593
		594	=item $coin = coin_from_name $name
		595
		596	=cut
		597
		598	our %coin_alias = (
		599	"silver" => "silvercoin",
		600	"silvercoin" => "silvercoin",
		601	"silvercoins" => "silvercoin",
		602	"gold" => "goldcoin",
		603	"goldcoin" => "goldcoin",
		604	"goldcoins" => "goldcoin",
		605	"platinum" => "platinacoin",
		606	"platinumcoin" => "platinacoin",
		607	"platinumcoins" => "platinacoin",
		608	"platina" => "platinacoin",
		609	"platinacoin" => "platinacoin",
		610	"platinacoins" => "platinacoin",
		611	"royalty" => "royalty",
		612	"royalties" => "royalty",
		613	);
		614
		615	sub coin_from_name($) {
		616	$coin_alias{$_[0]}
		617	? cf::arch::find $coin_alias{$_[0]}
		618	: undef
		619	}
		620
		621	=item $value = cf::db_get $family => $key
		622
		623	Returns a single value from the environment database.
		624
		625	=item cf::db_put $family => $key => $value
		626
		627	Stores the given C<$value> in the family. It can currently store binary
		628	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		629
		630	=item $db = cf::db_table "name"
		631
		632	Create and/or open a new database table. The string must not be "db" and must be unique
		633	within each server.
		634
		635	=cut
		636
		637	sub db_table($) {
		638	my ($name) = @_;
		639	my $db = BDB::db_create $DB_ENV;
		640
		641	eval {
		642	$db->set_flags (BDB::CHKSUM);
		643
		644	utf8::encode $name;
		645	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		646	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		647	cf::cleanup "db_open(db): $!" if $!;
		648	};
		649	cf::cleanup "db_open(db): $@" if $@;
		650
		651	$db
		652	}
		653
		654	our $DB;
		655
		656	sub db_init {
		657	cf::sync_job {
		658	$DB ||= db_table "db";
		659	};
		660	}
		661
		662	sub db_get($$) {
		663	my $key = "$_[0]/$_[1]";
		664
		665	cf::sync_job {
		666	BDB::db_get $DB, undef, $key, my $data;
		667
		668	$! ? ()
		669	: $data
351	1	670	}
		671	}
		672
		673	sub db_put($$$) {
		674	BDB::dbreq_pri 4;
		675	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		676	}
		677
		678	=item cf::cache $id => [$paths...], $processversion => $process
		679
		680	Generic caching function that returns the value of the resource $id,
		681	caching and regenerating as required.
		682
		683	This function can block.
		684
		685	=cut
		686
		687	sub cache {
		688	my ($id, $src, $processversion, $process) = @_;
		689
		690	my $meta =
		691	join "\x00",
		692	$processversion,
		693	map {
		694	aio_stat $_
		695	and Carp::croak "$_: $!";
		696
		697	($_, (stat _)[7,9])
		698	} @$src;
		699
		700	my $dbmeta = db_get cache => "$id/meta";
		701	if ($dbmeta ne $meta) {
		702	# changed, we may need to process
		703
		704	my @data;
		705	my $md5;
		706
		707	for (0 .. $#$src) {
		708	0 <= aio_load $src->[$_], $data[$_]
		709	or Carp::croak "$src->[$_]: $!";
		710	}
		711
		712	# if processing is expensive, check
		713	# checksum first
		714	if (1) {
		715	$md5 =
		716	join "\x00",
		717	$processversion,
		718	map {
		719	cf::cede_to_tick;
		720	($src->[$_], Digest::MD5::md5_hex $data[$_])
		721	} 0.. $#$src;
		722
		723
		724	my $dbmd5 = db_get cache => "$id/md5";
		725	if ($dbmd5 eq $md5) {
		726	db_put cache => "$id/meta", $meta;
		727
		728	return db_get cache => "$id/data";
		729	}
		730	}
		731
		732	my $t1 = Time::HiRes::time;
		733	my $data = $process->(\@data);
		734	my $t2 = Time::HiRes::time;
		735
		736	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		737
		738	db_put cache => "$id/data", $data;
		739	db_put cache => "$id/md5" , $md5;
		740	db_put cache => "$id/meta", $meta;
		741
		742	return $data;
		743	}
		744
		745	db_get cache => "$id/data"
		746	}
		747
		748	=item cf::datalog type => key => value, ...
		749
		750	Log a datalog packet of the given type with the given key-value pairs.
		751
		752	=cut
		753
		754	sub datalog($@) {
		755	my ($type, %kv) = @_;
		756	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
352	}	757	}
353		758
354	=back	759	=back
355		760
356	=cut	761	=cut
357		762
358	#############################################################################	763	#############################################################################
359		764
360	package cf::path;
361
362	sub new {
363	my ($class, $path, $base) = @_;
364
365	$path = $path->as_string if ref $path;
366
367	my $self = bless { }, $class;
368
369	# {... are special paths that are not touched
370	# ?xxx/... are special absolute paths
371	# ?random/... random maps
372	# /! non-realised random map exit
373	# /... normal maps
374	# ~/... per-player maps without a specific player (DO NOT USE)
375	# ~user/... per-player map of a specific user
376
377	if ($path =~ /^{/) {
378	# fine as it is
379	} elsif ($path =~ s{^\?random/}{}) {
380	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
381	$self->{random} = cf::from_json $data;
382	} else {
383	if ($path =~ s{^~([^/]+)?}{}) {
384	$self->{user_rel} = 1;
385
386	if (defined $1) {
387	$self->{user} = $1;
388	} elsif ($base =~ m{^~([^/]+)/}) {
389	$self->{user} = $1;
390	} else {
391	warn "cannot resolve user-relative path without user <$path,$base>\n";
392	}
393	} elsif ($path =~ /^\//) {
394	# already absolute
395	} else {
396	$base =~ s{[^/]+/?$}{};
397	return $class->new ("$base/$path");
398	}
399
400	for ($path) {
401	redo if s{/\.?/}{/};
402	redo if s{/[^/]+/\.\./}{/};
403	}
404	}
405
406	$self->{path} = $path;
407
408	$self
409	}
410
411	# the name / primary key / in-game path
412	sub as_string {
413	my ($self) = @_;
414
415	$self->{user_rel} ? "~$self->{user}$self->{path}"
416	: $self->{random} ? "?random/$self->{path}"
417	: $self->{path}
418	}
419
420	# the displayed name, this is a one way mapping
421	sub visible_name {
422	my ($self) = @_;
423
424	# if (my $rmp = $self->{random}) {
425	# # todo: be more intelligent about this
426	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
427	# } else {
428	$self->as_string
429	# }
430	}
431
432	# escape the /'s in the path
433	sub _escaped_path {
434	# ∕ is U+2215
435	(my $path = $_[0]{path}) =~ s/\//∕/g;
436	$path
437	}
438
439	# the original (read-only) location
440	sub load_path {
441	my ($self) = @_;
442
443	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
444	}
445
446	# the temporary/swap location
447	sub save_path {
448	my ($self) = @_;
449
450	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
451	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
452	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
453	}
454
455	# the unique path, might be eq to save_path
456	sub uniq_path {
457	my ($self) = @_;
458
459	$self->{user_rel} || $self->{random}
460	? undef
461	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
462	}
463
464	# return random map parameters, or undef
465	sub random_map_params {
466	my ($self) = @_;
467
468	$self->{random}
469	}
470
471	# this is somewhat ugly, but style maps do need special treatment
472	sub is_style_map {
473	$_[0]{path} =~ m{^/styles/}
474	}
475
476	package cf;
477
478	#############################################################################
479
480	=head2 ATTACHABLE OBJECTS	765	=head2 ATTACHABLE OBJECTS
481		766
482	Many objects in crossfire are so-called attachable objects. That means you can	767	Many objects in deliantra are so-called attachable objects. That means you can
483	attach callbacks/event handlers (a collection of which is called an "attachment")	768	attach callbacks/event handlers (a collection of which is called an "attachment")
484	to it. All such attachable objects support the following methods.	769	to it. All such attachable objects support the following methods.
485		770
486	In the following description, CLASS can be any of C<global>, C<object>	771	In the following description, CLASS can be any of C<global>, C<object>
487	C<player>, C<client> or C<map> (i.e. the attachable objects in	772	C<player>, C<client> or C<map> (i.e. the attachable objects in
488	crossfire+).	773	Deliantra).
489		774
490	=over 4	775	=over 4
491		776
492	=item $attachable->attach ($attachment, key => $value...)	777	=item $attachable->attach ($attachment, key => $value...)
493		778
…		…
537	=item cf::CLASS::attachment $name, ...	822	=item cf::CLASS::attachment $name, ...
538		823
539	Register an attachment by C<$name> through which attachable objects of the	824	Register an attachment by C<$name> through which attachable objects of the
540	given CLASS can refer to this attachment.	825	given CLASS can refer to this attachment.
541		826
542	Some classes such as crossfire maps and objects can specify attachments	827	Some classes such as deliantra maps and objects can specify attachments
543	that are attached at load/instantiate time, thus the need for a name.	828	that are attached at load/instantiate time, thus the need for a name.
544		829
545	These calls expect any number of the following handler/hook descriptions:	830	These calls expect any number of the following handler/hook descriptions:
546		831
547	=over 4	832	=over 4
…		…
607	our @CB_TYPE = (); # registry for type (cf-object class) based events	892	our @CB_TYPE = (); # registry for type (cf-object class) based events
608	our @CB_MAP = ();	893	our @CB_MAP = ();
609		894
610	my %attachment;	895	my %attachment;
611		896
		897	sub cf::attachable::thawer_merge {
		898	# simply override everything except _meta
		899	local $_[0]{_meta};
		900	%{$_[0]} = %{$_[1]};
		901	}
		902
612	sub _attach_cb($$$$) {	903	sub _attach_cb($$$$) {
613	my ($registry, $event, $prio, $cb) = @_;	904	my ($registry, $event, $prio, $cb) = @_;
614		905
615	use sort 'stable';	906	use sort 'stable';
616		907
…		…
650	$registry = $CB_TYPE[$object_type] ||= [];	941	$registry = $CB_TYPE[$object_type] ||= [];
651		942
652	} elsif ($type eq "subtype") {	943	} elsif ($type eq "subtype") {
653	defined $object_type or Carp::croak "subtype specified without type";	944	defined $object_type or Carp::croak "subtype specified without type";
654	my $object_subtype = shift @arg;	945	my $object_subtype = shift @arg;
655	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	946	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
656		947
657	} elsif ($type eq "package") {	948	} elsif ($type eq "package") {
658	my $pkg = shift @arg;	949	my $pkg = shift @arg;
659		950
660	while (my ($name, $id) = each %cb_id) {	951	while (my ($name, $id) = each %cb_id) {
…		…
689	_attach $registry, $klass, @attach;	980	_attach $registry, $klass, @attach;
690	}	981	}
691		982
692	$obj->{$name} = \%arg;	983	$obj->{$name} = \%arg;
693	} else {	984	} else {
694	warn "object uses attachment '$name' that is not available, postponing.\n";	985	warn "object uses attachment '$name' which is not available, postponing.\n";
695	}	986	}
696		987
697	$obj->{_attachment}{$name} = undef;	988	$obj->{_attachment}{$name} = undef;
698	}	989	}
699		990
…		…
701	if (ref $_[0]) {	992	if (ref $_[0]) {
702	_object_attach @_;	993	_object_attach @_;
703	} else {	994	} else {
704	_attach shift->_attach_registry, @_;	995	_attach shift->_attach_registry, @_;
705	}	996	}
		997	_recalc_want;
706	};	998	};
707		999
708	# all those should be optimised	1000	# all those should be optimised
709	sub cf::attachable::detach {	1001	sub cf::attachable::detach {
710	my ($obj, $name) = @_;	1002	my ($obj, $name) = @_;
…		…
713	delete $obj->{_attachment}{$name};	1005	delete $obj->{_attachment}{$name};
714	reattach ($obj);	1006	reattach ($obj);
715	} else {	1007	} else {
716	Carp::croak "cannot, currently, detach class attachments";	1008	Carp::croak "cannot, currently, detach class attachments";
717	}	1009	}
		1010	_recalc_want;
718	};	1011	};
719		1012
720	sub cf::attachable::attached {	1013	sub cf::attachable::attached {
721	my ($obj, $name) = @_;	1014	my ($obj, $name) = @_;
722		1015
…		…
737	";	1030	";
738	die if $@;	1031	die if $@;
739	}	1032	}
740		1033
741	our $override;	1034	our $override;
742	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1035	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
743		1036
744	sub override {	1037	sub override {
745	$override = 1;	1038	$override = 1;
746	@invoke_results = ();	1039	@INVOKE_RESULTS = (@_);
747	}	1040	}
748		1041
749	sub do_invoke {	1042	sub do_invoke {
750	my $event = shift;	1043	my $event = shift;
751	my $callbacks = shift;	1044	my $callbacks = shift;
752		1045
753	@invoke_results = ();	1046	@INVOKE_RESULTS = ();
754		1047
755	local $override;	1048	local $override;
756		1049
757	for (@$callbacks) {	1050	for (@$callbacks) {
758	eval { &{$_->[1]} };	1051	eval { &{$_->[1]} };
…		…
767	}	1060	}
768		1061
769	0	1062	0
770	}	1063	}
771		1064
772	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1065	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
773		1066
774	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1067	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
775		1068
776	Generate an object-specific event with the given arguments.	1069	Generate an object-specific event with the given arguments.
777		1070
778	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1071	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
779	removed in future versions), and there is no public API to access override	1072	removed in future versions), and there is no public API to access override
780	results (if you must, access C<@cf::invoke_results> directly).	1073	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
781		1074
782	=back	1075	=back
783		1076
784	=cut	1077	=cut
785		1078
786	#############################################################################	1079	#############################################################################
787	# object support	1080	# object support
		1081
		1082	sub _object_equal($$);
		1083	sub _object_equal($$) {
		1084	my ($a, $b) = @_;
		1085
		1086	return 0 unless (ref $a) eq (ref $b);
		1087
		1088	if ("HASH" eq ref $a) {
		1089	my @ka = keys %$a;
		1090	my @kb = keys %$b;
		1091
		1092	return 0 if @ka != @kb;
		1093
		1094	for (0 .. $#ka) {
		1095	return 0 unless $ka[$_] eq $kb[$_];
		1096	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1097	}
		1098
		1099	} elsif ("ARRAY" eq ref $a) {
		1100
		1101	return 0 if @$a != @$b;
		1102
		1103	for (0 .. $#$a) {
		1104	return 0 unless _object_equal $a->[$_], $b->[$_];
		1105	}
		1106
		1107	} elsif ($a ne $b) {
		1108	return 0;
		1109	}
		1110
		1111	1
		1112	}
		1113
		1114	our $SLOW_MERGES;#d#
		1115	sub _can_merge {
		1116	my ($ob1, $ob2) = @_;
		1117
		1118	++$SLOW_MERGES;#d#
		1119
		1120	# we do the slow way here
		1121	return _object_equal $ob1, $ob2
		1122	}
788		1123
789	sub reattach {	1124	sub reattach {
790	# basically do the same as instantiate, without calling instantiate	1125	# basically do the same as instantiate, without calling instantiate
791	my ($obj) = @_;	1126	my ($obj) = @_;
		1127
		1128	# no longer needed after getting rid of delete_package?
		1129	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
792		1130
793	my $registry = $obj->registry;	1131	my $registry = $obj->registry;
794		1132
795	@$registry = ();	1133	@$registry = ();
796		1134
…		…
811	cf::attachable->attach (	1149	cf::attachable->attach (
812	prio => -1000000,	1150	prio => -1000000,
813	on_instantiate => sub {	1151	on_instantiate => sub {
814	my ($obj, $data) = @_;	1152	my ($obj, $data) = @_;
815		1153
816	$data = from_json $data;	1154	$data = decode_json $data;
817		1155
818	for (@$data) {	1156	for (@$data) {
819	my ($name, $args) = @$_;	1157	my ($name, $args) = @$_;
820		1158
821	$obj->attach ($name, %{$args || {} });	1159	$obj->attach ($name, %{$args || {} });
…		…
837	sub object_freezer_save {	1175	sub object_freezer_save {
838	my ($filename, $rdata, $objs) = @_;	1176	my ($filename, $rdata, $objs) = @_;
839		1177
840	sync_job {	1178	sync_job {
841	if (length $$rdata) {	1179	if (length $$rdata) {
		1180	utf8::decode (my $decname = $filename);
842	warn sprintf "saving %s (%d,%d)\n",	1181	warn sprintf "saving %s (%d,%d)\n",
843	$filename, length $$rdata, scalar @$objs;	1182	$decname, length $$rdata, scalar @$objs;
844		1183
845	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1184	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
846	chmod SAVE_MODE, $fh;	1185	aio_chmod $fh, SAVE_MODE;
847	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1186	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1187	if ($cf::USE_FSYNC) {
		1188	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;
848	aio_fsync $fh;	1189	aio_fsync $fh;
		1190	}
849	close $fh;	1191	aio_close $fh;
850		1192
851	if (@$objs) {	1193	if (@$objs) {
852	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1194	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
853	chmod SAVE_MODE, $fh;	1195	aio_chmod $fh, SAVE_MODE;
854	my $data = Storable::nfreeze { version => 1, objs => $objs };	1196	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
855	aio_write $fh, 0, (length $data), $data, 0;	1197	aio_write $fh, 0, (length $data), $data, 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;
856	aio_fsync $fh;	1200	aio_fsync $fh;
		1201	}
857	close $fh;	1202	aio_close $fh;
858	aio_rename "$filename.pst~", "$filename.pst";	1203	aio_rename "$filename.pst~", "$filename.pst";
859	}	1204	}
860	} else {	1205	} else {
861	aio_unlink "$filename.pst";	1206	aio_unlink "$filename.pst";
862	}	1207	}
863		1208
864	aio_rename "$filename~", $filename;	1209	aio_rename "$filename~", $filename;
		1210
		1211	$filename =~ s%/[^/]+$%%;
		1212	aio_pathsync $filename if $cf::USE_FSYNC;
865	} else {	1213	} else {
866	warn "FATAL: $filename~: $!\n";	1214	warn "unable to save objects: $filename~: $!\n";
867	}	1215	}
868	} else {	1216	} else {
869	aio_unlink $filename;	1217	aio_unlink $filename;
870	aio_unlink "$filename.pst";	1218	aio_unlink "$filename.pst";
871	}	1219	}
872	}	1220	};
873	}	1221	}
874		1222
875	sub object_freezer_as_string {	1223	sub object_freezer_as_string {
876	my ($rdata, $objs) = @_;	1224	my ($rdata, $objs) = @_;
877		1225
…		…
889	or return;	1237	or return;
890		1238
891	unless (aio_stat "$filename.pst") {	1239	unless (aio_stat "$filename.pst") {
892	(aio_load "$filename.pst", $av) >= 0	1240	(aio_load "$filename.pst", $av) >= 0
893	or return;	1241	or return;
		1242
894	$av = eval { (Storable::thaw $av)->{objs} };	1243	my $st = eval { Coro::Storable::thaw $av };
		1244	$av = $st->{objs};
895	}	1245	}
896		1246
		1247	utf8::decode (my $decname = $filename);
897	warn sprintf "loading %s (%d)\n",	1248	warn sprintf "loading %s (%d,%d)\n",
898	$filename, length $data, scalar @{$av || []};#d#	1249	$decname, length $data, scalar @{$av || []};
		1250
899	return ($data, $av);	1251	($data, $av)
900	}	1252	}
		1253
		1254	=head2 COMMAND CALLBACKS
		1255
		1256	=over 4
		1257
		1258	=cut
901		1259
902	#############################################################################	1260	#############################################################################
903	# command handling &c	1261	# command handling &c
904		1262
905	=item cf::register_command $name => \&callback($ob,$args);	1263	=item cf::register_command $name => \&callback($ob,$args);
…		…
918	push @{ $COMMAND{$name} }, [$caller, $cb];	1276	push @{ $COMMAND{$name} }, [$caller, $cb];
919	}	1277	}
920		1278
921	=item cf::register_extcmd $name => \&callback($pl,$packet);	1279	=item cf::register_extcmd $name => \&callback($pl,$packet);
922		1280
923	Register a callbackf ro execution when the client sends an extcmd packet.	1281	Register a callback for execution when the client sends an (synchronous)
		1282	extcmd packet. Ext commands will be processed in the order they are
		1283	received by the server, like other user commands. The first argument is
		1284	the logged-in player. Ext commands can only be processed after a player
		1285	has logged in successfully.
924		1286
925	If the callback returns something, it is sent back as if reply was being	1287	If the callback returns something, it is sent back as if reply was being
926	called.	1288	called.
927		1289
		1290	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1291
		1292	Register a callback for execution when the client sends an (asynchronous)
		1293	exticmd packet. Exti commands are processed by the server as soon as they
		1294	are received, i.e. out of order w.r.t. other commands. The first argument
		1295	is a client socket. Exti commands can be received anytime, even before
		1296	log-in.
		1297
		1298	If the callback returns something, it is sent back as if reply was being
		1299	called.
		1300
928	=cut	1301	=cut
929		1302
930	sub register_extcmd {	1303	sub register_extcmd {
931	my ($name, $cb) = @_;	1304	my ($name, $cb) = @_;
932		1305
933	my $caller = caller;
934	#warn "registering extcmd '$name' to '$caller'";
935
936	$EXTCMD{$name} = [$cb, $caller];	1306	$EXTCMD{$name} = $cb;
937	}	1307	}
		1308
		1309	sub register_exticmd {
		1310	my ($name, $cb) = @_;
		1311
		1312	$EXTICMD{$name} = $cb;
		1313	}
		1314
		1315	use File::Glob ();
938		1316
939	cf::player->attach (	1317	cf::player->attach (
940	on_command => sub {	1318	on_unknown_command => sub {
941	my ($pl, $name, $params) = @_;	1319	my ($pl, $name, $params) = @_;
942		1320
943	my $cb = $COMMAND{$name}	1321	my $cb = $COMMAND{$name}
944	or return;	1322	or return;
945		1323
…		…
950	cf::override;	1328	cf::override;
951	},	1329	},
952	on_extcmd => sub {	1330	on_extcmd => sub {
953	my ($pl, $buf) = @_;	1331	my ($pl, $buf) = @_;
954		1332
955	my $msg = eval { from_json $buf };	1333	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
956		1334
957	if (ref $msg) {	1335	if (ref $msg) {
		1336	my ($type, $reply, @payload) =
		1337	"ARRAY" eq ref $msg
		1338	? @$msg
		1339	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1340
		1341	my @reply;
		1342
958	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1343	if (my $cb = $EXTCMD{$type}) {
959	if (my %reply = $cb->[0]->($pl, $msg)) {	1344	@reply = $cb->($pl, @payload);
960	$pl->ext_reply ($msg->{msgid}, %reply);
961	}
962	}	1345	}
		1346
		1347	$pl->ext_reply ($reply, @reply)
		1348	if $reply;
		1349
963	} else {	1350	} else {
964	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1351	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
965	}	1352	}
966		1353
967	cf::override;	1354	cf::override;
968	},	1355	},
969	);	1356	);
970		1357
971	sub register {	1358	# "readahead" all extensions
972	my ($base, $pkg) = @_;
973
974	#TODO
975	}
976
977	sub load_extension {	1359	sub cache_extensions {
978	my ($path) = @_;	1360	my $grp = IO::AIO::aio_group;
979		1361
980	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1362	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
981	my $base = $1;	1363	for (grep /\.ext$/, @{$_[0]}) {
982	my $pkg = $1;	1364	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
983	$pkg =~ s/[^[:word:]]/_/g;
984	$pkg = "ext::$pkg";
985
986	warn "loading '$path' into '$pkg'\n";
987
988	open my $fh, "<:utf8", $path
989	or die "$path: $!";
990
991	my $source =
992	"package $pkg; use strict; use utf8;\n"
993	. "#line 1 \"$path\"\n{\n"
994	. (do { local $/; <$fh> })
995	. "\n};\n1";
996
997	eval $source
998	or die $@ ? "$path: $@\n"
999	: "extension disabled.\n";
1000
1001	push @exts, $pkg;
1002	$ext_pkg{$base} = $pkg;
1003
1004	# no strict 'refs';
1005	# @{"$pkg\::ISA"} = ext::;
1006
1007	register $base, $pkg;
1008	}
1009
1010	sub unload_extension {
1011	my ($pkg) = @_;
1012
1013	warn "removing extension $pkg\n";
1014
1015	# remove hooks
1016	#TODO
1017	# for my $idx (0 .. $#PLUGIN_EVENT) {
1018	# delete $hook[$idx]{$pkg};
1019	# }
1020
1021	# remove commands
1022	for my $name (keys %COMMAND) {
1023	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1024
1025	if (@cb) {
1026	$COMMAND{$name} = \@cb;
1027	} else {
1028	delete $COMMAND{$name};
1029	}	1365	}
1030	}	1366	};
1031		1367
1032	# remove extcmds	1368	$grp
1033	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1034	delete $EXTCMD{$name};
1035	}
1036
1037	if (my $cb = $pkg->can ("unload")) {
1038	eval {
1039	$cb->($pkg);
1040	1
1041	} or warn "$pkg unloaded, but with errors: $@";
1042	}
1043
1044	Symbol::delete_package $pkg;
1045	}	1369	}
1046		1370
1047	sub load_extensions {	1371	sub load_extensions {
		1372	cf::sync_job {
		1373	my %todo;
		1374
1048	for my $ext (<$LIBDIR/*.ext>) {	1375	for my $path (<$LIBDIR/*.ext>) {
1049	next unless -r $ext;	1376	next unless -r $path;
1050	eval {	1377
1051	load_extension $ext;	1378	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1379	my $base = $1;
		1380	my $pkg = $1;
		1381	$pkg =~ s/[^[:word:]]/_/g;
		1382	$pkg = "ext::$pkg";
		1383
		1384	open my $fh, "<:utf8", $path
		1385	or die "$path: $!";
		1386
		1387	my $source = do { local $/; <$fh> };
		1388
		1389	my %ext = (
		1390	path => $path,
		1391	base => $base,
		1392	pkg => $pkg,
		1393	);
		1394
		1395	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1396	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1397
		1398	$ext{source} =
		1399	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1400	. "#line 1 \"$path\"\n{\n"
		1401	. $source
		1402	. "\n};\n1";
		1403
		1404	$todo{$base} = \%ext;
		1405	}
		1406
		1407	my $pass = 0;
		1408	my %done;
		1409	while (%todo) {
		1410	my $progress;
		1411
		1412	++$pass;
		1413
		1414	ext:
		1415	while (my ($k, $v) = each %todo) {
		1416	for (split /,\s*/, $v->{meta}{depends}) {
		1417	next ext
		1418	unless exists $done{$_};
		1419	}
		1420
		1421	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1422
		1423	my $active = eval $v->{source};
		1424
		1425	if (length $@) {
		1426	warn "$v->{path}: $@\n";
		1427
		1428	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1429	if exists $v->{meta}{mandatory};
		1430	} else {
		1431	$done{$k} = delete $todo{$k};
		1432	push @EXTS, $v->{pkg};
		1433	$progress = 1;
		1434
		1435	warn "$v->{base}: extension inactive.\n"
		1436	unless $active;
		1437	}
1052	1	1438	}
1053	} or warn "$ext not loaded: $@";	1439
		1440	unless ($progress) {
		1441	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1442
		1443	while (my ($k, $v) = each %todo) {
		1444	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1445	if exists $v->{meta}{mandatory};
		1446	}
		1447	}
		1448	}
1054	}	1449	};
1055	}	1450	}
1056		1451
1057	#############################################################################	1452	#############################################################################
1058	# load/save/clean perl data associated with a map
1059		1453
1060	*cf::mapsupport::on_clean = sub {	1454	=back
		1455
		1456	=head2 CORE EXTENSIONS
		1457
		1458	Functions and methods that extend core deliantra objects.
		1459
		1460	=cut
		1461
		1462	package cf::player;
		1463
		1464	use Coro::AIO;
		1465
		1466	=head3 cf::player
		1467
		1468	=over 4
		1469
		1470	=item cf::player::num_playing
		1471
		1472	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1473
		1474	=cut
		1475
		1476	sub num_playing {
		1477	scalar grep
		1478	$_->ob->map
		1479	&& !$_->hidden
		1480	&& !$_->ob->flag (cf::FLAG_WIZ),
		1481	cf::player::list
		1482	}
		1483
		1484	=item cf::player::find $login
		1485
		1486	Returns the given player object, loading it if necessary (might block).
		1487
		1488	=cut
		1489
		1490	sub playerdir($) {
		1491	"$PLAYERDIR/"
		1492	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		1493	}
		1494
		1495	sub path($) {
		1496	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		1497
		1498	(playerdir $login) . "/playerdata"
		1499	}
		1500
		1501	sub find_active($) {
		1502	$cf::PLAYER{$_[0]}
		1503	and $cf::PLAYER{$_[0]}->active
		1504	and $cf::PLAYER{$_[0]}
		1505	}
		1506
		1507	sub exists($) {
1061	my ($map) = @_;	1508	my ($login) = @_;
1062		1509
1063	my $path = $map->tmpname;	1510	$cf::PLAYER{$login}
1064	defined $path or return;	1511	or !aio_stat path $login
1065
1066	unlink "$path.pst";
1067	};
1068
1069	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1070
1071	#############################################################################
1072	# load/save perl data associated with player->ob objects
1073
1074	sub all_objects(@) {
1075	@_, map all_objects ($_->inv), @_
1076	}	1512	}
1077		1513
1078	# TODO: compatibility cruft, remove when no longer needed	1514	sub find($) {
		1515	return $cf::PLAYER{$_[0]} || do {
		1516	my $login = $_[0];
		1517
		1518	my $guard = cf::lock_acquire "user_find:$login";
		1519
		1520	$cf::PLAYER{$_[0]} || do {
		1521	# rename old playerfiles to new ones
		1522	#TODO: remove when no longer required
		1523	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1524	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1525	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1526	aio_unlink +(playerdir $login) . "/$login.pl";
		1527
		1528	my $f = new_from_file cf::object::thawer path $login
		1529	or return;
		1530
		1531	my $pl = cf::player::load_pl $f
		1532	or return;
		1533
		1534	local $cf::PLAYER_LOADING{$login} = $pl;
		1535	$f->resolve_delayed_derefs;
		1536	$cf::PLAYER{$login} = $pl
		1537	}
		1538	}
		1539	}
		1540
1079	cf::player->attach (	1541	cf::player->attach (
1080	on_load => sub {	1542	on_load => sub {
1081	my ($pl, $path) = @_;	1543	my ($pl, $path) = @_;
1082		1544
1083	for my $o (all_objects $pl->ob) {	1545	# restore slots saved in save, below
1084	if (my $value = $o->get_ob_key_value ("_perl_data")) {	1546	my $slots = delete $pl->{_slots};
1085	$o->set_ob_key_value ("_perl_data");
1086		1547
1087	%$o = %{ Storable::thaw pack "H*", $value };	1548	$pl->ob->current_weapon ($slots->[0]);
1088	}	1549	$pl->combat_ob ($slots->[1]);
1089	}	1550	$pl->ranged_ob ($slots->[2]);
1090	},	1551	},
1091	);	1552	);
1092		1553
1093	#############################################################################	1554	sub save($) {
		1555	my ($pl) = @_;
1094		1556
1095	=head2 CORE EXTENSIONS	1557	return if $pl->{deny_save};
1096		1558
1097	Functions and methods that extend core crossfire objects.	1559	my $path = path $pl;
		1560	my $guard = cf::lock_acquire "user_save:$path";
1098		1561
1099	=head3 cf::player	1562	return if $pl->{deny_save};
		1563
		1564	aio_mkdir playerdir $pl, 0770;
		1565	$pl->{last_save} = $cf::RUNTIME;
		1566
		1567	cf::get_slot 0.01;
		1568
		1569	# save slots, to be restored later
		1570	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1571
		1572	$pl->save_pl ($path);
		1573	cf::cede_to_tick;
		1574	}
		1575
		1576	sub new($) {
		1577	my ($login) = @_;
		1578
		1579	my $self = create;
		1580
		1581	$self->ob->name ($login);
		1582	$self->{deny_save} = 1;
		1583
		1584	$cf::PLAYER{$login} = $self;
		1585
		1586	$self
		1587	}
		1588
		1589	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1590
		1591	=cut
		1592
		1593	sub send_msg {
		1594	my $ns = shift->ns
		1595	or return;
		1596	$ns->send_msg (@_);
		1597	}
		1598
		1599	=item $pl->quit_character
		1600
		1601	Nukes the player without looking back. If logged in, the connection will
		1602	be destroyed. May block for a long time.
		1603
		1604	=cut
		1605
		1606	sub quit_character {
		1607	my ($pl) = @_;
		1608
		1609	my $name = $pl->ob->name;
		1610
		1611	$pl->{deny_save} = 1;
		1612	$pl->password ("*"); # this should lock out the player until we have nuked the dir
		1613
		1614	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1615	$pl->deactivate;
		1616	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1617	$pl->ob->check_score;
		1618	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1619	$pl->ns->destroy if $pl->ns;
		1620
		1621	my $path = playerdir $pl;
		1622	my $temp = "$path~$cf::RUNTIME~deleting~";
		1623	aio_rename $path, $temp;
		1624	delete $cf::PLAYER{$pl->ob->name};
		1625	$pl->destroy;
		1626
		1627	my $prefix = qr<^~\Q$name\E/>;
		1628
		1629	# nuke player maps
		1630	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1631
		1632	IO::AIO::aio_rmtree $temp;
		1633	}
		1634
		1635	=item $pl->kick
		1636
		1637	Kicks a player out of the game. This destroys the connection.
		1638
		1639	=cut
		1640
		1641	sub kick {
		1642	my ($pl, $kicker) = @_;
		1643
		1644	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1645	$pl->killer ("kicked");
		1646	$pl->ns->destroy;
		1647	}
		1648
		1649	=item cf::player::list_logins
		1650
		1651	Returns am arrayref of all valid playernames in the system, can take a
		1652	while and may block, so not sync_job-capable, ever.
		1653
		1654	=cut
		1655
		1656	sub list_logins {
		1657	my $dirs = aio_readdir $PLAYERDIR
		1658	or return [];
		1659
		1660	my @logins;
		1661
		1662	for my $login (@$dirs) {
		1663	my $path = path $login;
		1664
		1665	# a .pst is a dead give-away for a valid player
		1666	# if no pst file found, open and chekc for blocked users
		1667	if (aio_stat "$path.pst") {
		1668	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
		1669	aio_read $fh, 0, 512, my $buf, 0 or next;
		1670	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1671	}
		1672
		1673	utf8::decode $login;
		1674	push @logins, $login;
		1675	}
		1676
		1677	\@logins
		1678	}
		1679
		1680	=item $player->maps
		1681
		1682	Returns an arrayref of map paths that are private for this
		1683	player. May block.
		1684
		1685	=cut
		1686
		1687	sub maps($) {
		1688	my ($pl) = @_;
		1689
		1690	$pl = ref $pl ? $pl->ob->name : $pl;
		1691
		1692	my $files = aio_readdir playerdir $pl
		1693	or return;
		1694
		1695	my @paths;
		1696
		1697	for (@$files) {
		1698	utf8::decode $_;
		1699	next if /\.(?:pl|pst)$/;
		1700	next unless /^$PATH_SEP/o;
		1701
		1702	push @paths, cf::map::normalise "~$pl/$_";
		1703	}
		1704
		1705	\@paths
		1706	}
		1707
		1708	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1709
		1710	Expand deliantra pod fragments into protocol xml.
		1711
		1712	=item $player->ext_reply ($msgid, @msg)
		1713
		1714	Sends an ext reply to the player.
		1715
		1716	=cut
		1717
		1718	sub ext_reply($$@) {
		1719	my ($self, $id, @msg) = @_;
		1720
		1721	$self->ns->ext_reply ($id, @msg)
		1722	}
		1723
		1724	=item $player->ext_msg ($type, @msg)
		1725
		1726	Sends an ext event to the client.
		1727
		1728	=cut
		1729
		1730	sub ext_msg($$@) {
		1731	my ($self, $type, @msg) = @_;
		1732
		1733	$self->ns->ext_msg ($type, @msg);
		1734	}
		1735
		1736	=head3 cf::region
1100		1737
1101	=over 4	1738	=over 4
1102		1739
1103	=item cf::player::exists $login
1104
1105	Returns true when the given account exists.
1106
1107	=cut	1740	=cut
1108		1741
1109	sub cf::player::exists($) {	1742	package cf::region;
1110	cf::player::find $_[0]
1111	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
1112	}
1113		1743
1114	=item $player->ext_reply ($msgid, $msgtype, %msg)	1744	=item cf::region::find_by_path $path
1115		1745
1116	Sends an ext reply to the player.	1746	Tries to decuce the likely region for a map knowing only its path.
1117		1747
1118	=cut	1748	=cut
1119		1749
1120	sub cf::player::ext_reply($$$%) {	1750	sub find_by_path($) {
1121	my ($self, $id, %msg) = @_;	1751	my ($path) = @_;
1122		1752
1123	$msg{msgid} = $id;	1753	my ($match, $specificity);
1124		1754
1125	$self->send ("ext " . to_json \%msg);	1755	for my $region (list) {
		1756	if ($region->{match} && $path =~ $region->{match}) {
		1757	($match, $specificity) = ($region, $region->specificity)
		1758	if $region->specificity > $specificity;
		1759	}
		1760	}
		1761
		1762	$match
1126	}	1763	}
1127		1764
1128	=back	1765	=back
1129
1130		1766
1131	=head3 cf::map	1767	=head3 cf::map
1132		1768
1133	=over 4	1769	=over 4
1134		1770
…		…
1137	package cf::map;	1773	package cf::map;
1138		1774
1139	use Fcntl;	1775	use Fcntl;
1140	use Coro::AIO;	1776	use Coro::AIO;
1141		1777
		1778	use overload
		1779	'""' => \&as_string,
		1780	fallback => 1;
		1781
1142	our $MAX_RESET = 7200;	1782	our $MAX_RESET = 3600;
1143	our $DEFAULT_RESET = 3600;	1783	our $DEFAULT_RESET = 3000;
1144		1784
1145	sub generate_random_map {	1785	sub generate_random_map {
1146	my ($path, $rmp) = @_;	1786	my ($self, $rmp) = @_;
		1787
		1788	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1147		1789
1148	# mit "rum" bekleckern, nicht	1790	# mit "rum" bekleckern, nicht
1149	cf::map::_create_random_map	1791	$self->_create_random_map (
1150	$path,
1151	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1792	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1152	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1793	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1153	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1794	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1154	$rmp->{exit_on_final_map},	1795	$rmp->{exit_on_final_map},
1155	$rmp->{xsize}, $rmp->{ysize},	1796	$rmp->{xsize}, $rmp->{ysize},
1156	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1797	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1157	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1798	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1158	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1799	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1159	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1800	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1160	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1801	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1161	(cf::region::find $rmp->{region})	1802	(cf::region::find $rmp->{region}), $rmp->{custom}
		1803	)
1162	}	1804	}
1163		1805
1164	# and all this just because we cannot iterate over	1806	=item cf::map->register ($regex, $prio)
1165	# all maps in C++...
1166	sub change_all_map_light {
1167	my ($change) = @_;
1168		1807
1169	$_->change_map_light ($change)	1808	Register a handler for the map path matching the given regex at the
1170	for grep $_->outdoor, values %cf::MAP;	1809	givne priority (higher is better, built-in handlers have priority 0, the
1171	}	1810	default).
1172		1811
1173	sub try_load_header($) {	1812	=cut
		1813
		1814	sub register {
		1815	my (undef, $regex, $prio) = @_;
		1816	my $pkg = caller;
		1817
		1818	no strict;
		1819	push @{"$pkg\::ISA"}, __PACKAGE__;
		1820
		1821	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1822	}
		1823
		1824	# also paths starting with '/'
		1825	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1826
		1827	sub thawer_merge {
		1828	my ($self, $merge) = @_;
		1829
		1830	# we have to keep some variables in memory intact
		1831	local $self->{path};
		1832	local $self->{load_path};
		1833
		1834	$self->SUPER::thawer_merge ($merge);
		1835	}
		1836
		1837	sub normalise {
1174	my ($path) = @_;	1838	my ($path, $base) = @_;
		1839
		1840	$path = "$path"; # make sure its a string
		1841
		1842	$path =~ s/\.map$//;
		1843
		1844	# map plan:
		1845	#
		1846	# /! non-realised random map exit (special hack!)
		1847	# {... are special paths that are not being touched
		1848	# ?xxx/... are special absolute paths
		1849	# ?random/... random maps
		1850	# /... normal maps
		1851	# ~user/... per-player map of a specific user
		1852
		1853	$path =~ s/$PATH_SEP/\//go;
		1854
		1855	# treat it as relative path if it starts with
		1856	# something that looks reasonable
		1857	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1858	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1859
		1860	$base =~ s{[^/]+/?$}{};
		1861	$path = "$base/$path";
		1862	}
		1863
		1864	for ($path) {
		1865	redo if s{//}{/};
		1866	redo if s{/\.?/}{/};
		1867	redo if s{/[^/]+/\.\./}{/};
		1868	}
		1869
		1870	$path
		1871	}
		1872
		1873	sub new_from_path {
		1874	my (undef, $path, $base) = @_;
		1875
		1876	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1877
		1878	$path = normalise $path, $base;
		1879
		1880	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1881	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1882	my $self = bless cf::map::new, $pkg;
		1883	$self->{path} = $path; $self->path ($path);
		1884	$self->init; # pass $1 etc.
		1885	return $self;
		1886	}
		1887	}
		1888
		1889	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1890	()
		1891	}
		1892
		1893	sub init {
		1894	my ($self) = @_;
		1895
		1896	$self
		1897	}
		1898
		1899	sub as_string {
		1900	my ($self) = @_;
		1901
		1902	"$self->{path}"
		1903	}
		1904
		1905	# the displayed name, this is a one way mapping
		1906	sub visible_name {
		1907	&as_string
		1908	}
		1909
		1910	# the original (read-only) location
		1911	sub load_path {
		1912	my ($self) = @_;
		1913
		1914	"$MAPDIR/$self->{path}.map"
		1915	}
		1916
		1917	# the temporary/swap location
		1918	sub save_path {
		1919	my ($self) = @_;
		1920
		1921	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1922	"$TMPDIR/$path.map"
		1923	}
		1924
		1925	# the unique path, undef == no special unique path
		1926	sub uniq_path {
		1927	my ($self) = @_;
		1928
		1929	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1930	"$UNIQUEDIR/$path"
		1931	}
		1932
		1933	sub decay_objects {
		1934	my ($self) = @_;
		1935
		1936	return if $self->{deny_reset};
		1937
		1938	$self->do_decay_objects;
		1939	}
		1940
		1941	sub unlink_save {
		1942	my ($self) = @_;
		1943
		1944	utf8::encode (my $save = $self->save_path);
		1945	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1946	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1947	}
		1948
		1949	sub load_header_from($) {
		1950	my ($self, $path) = @_;
1175		1951
1176	utf8::encode $path;	1952	utf8::encode $path;
1177	aio_open $path, O_RDONLY, 0	1953	my $f = new_from_file cf::object::thawer $path
1178	or return;	1954	or return;
1179		1955
1180	my $map = cf::map::new	1956	$self->_load_header ($f)
1181	or return;	1957	or return;
1182		1958
1183	$map->load_header ($path)	1959	local $MAP_LOADING{$self->{path}} = $self;
		1960	$f->resolve_delayed_derefs;
		1961
		1962	$self->{load_path} = $path;
		1963
		1964	1
		1965	}
		1966
		1967	sub load_header_orig {
		1968	my ($self) = @_;
		1969
		1970	$self->load_header_from ($self->load_path)
		1971	}
		1972
		1973	sub load_header_temp {
		1974	my ($self) = @_;
		1975
		1976	$self->load_header_from ($self->save_path)
		1977	}
		1978
		1979	sub prepare_temp {
		1980	my ($self) = @_;
		1981
		1982	$self->last_access ((delete $self->{last_access})
		1983	|| $cf::RUNTIME); #d#
		1984	# safety
		1985	$self->{instantiate_time} = $cf::RUNTIME
		1986	if $self->{instantiate_time} > $cf::RUNTIME;
		1987	}
		1988
		1989	sub prepare_orig {
		1990	my ($self) = @_;
		1991
		1992	$self->{load_original} = 1;
		1993	$self->{instantiate_time} = $cf::RUNTIME;
		1994	$self->last_access ($cf::RUNTIME);
		1995	$self->instantiate;
		1996	}
		1997
		1998	sub load_header {
		1999	my ($self) = @_;
		2000
		2001	if ($self->load_header_temp) {
		2002	$self->prepare_temp;
		2003	} else {
		2004	$self->load_header_orig
1184	or return;	2005	or return;
		2006	$self->prepare_orig;
		2007	}
1185		2008
1186	$map->{load_path} = $path;	2009	$self->{deny_reset} = 1
		2010	if $self->no_reset;
1187		2011
1188	$map	2012	$self->default_region (cf::region::find_by_path $self->{path})
1189	}	2013	unless $self->default_region;
1190		2014
		2015	1
		2016	}
		2017
1191	sub find_map;	2018	sub find;
1192	sub find_map {	2019	sub find {
1193	my ($path, $origin) = @_;	2020	my ($path, $origin) = @_;
1194		2021
1195	#warn "find_map<$path,$origin>\n";#d#
1196
1197	$path = new cf::path $path, $origin && $origin->path;	2022	$path = normalise $path, $origin && $origin->path;
1198	my $key = $path->as_string;
1199		2023
1200	cf::lock_wait "map_find:$key";	2024	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1201
1202	$cf::MAP{$key} || do {
1203	my $guard = cf::lock_acquire "map_find:$key";	2025	my $guard2 = cf::lock_acquire "map_find:$path";
1204		2026
1205	# do it the slow way	2027	$cf::MAP{$path} || do {
1206	my $map = try_load_header $path->save_path;	2028	my $map = new_from_path cf::map $path
1207
1208	if ($map) {
1209	# safety
1210	$map->{instantiate_time} = $cf::RUNTIME
1211	if $map->{instantiate_time} > $cf::RUNTIME;
1212	} else {
1213	if (my $rmp = $path->random_map_params) {
1214	$map = generate_random_map $key, $rmp;
1215	} else {
1216	$map = try_load_header $path->load_path;
1217	}
1218
1219	$map or return;	2029	or return;
1220		2030
1221	$map->{load_original} = 1;
1222	$map->{instantiate_time} = $cf::RUNTIME;
1223	$map->instantiate;
1224
1225	# per-player maps become, after loading, normal maps
1226	$map->per_player (0) if $path->{user_rel};
1227	}
1228
1229	$map->path ($key);
1230	$map->{path} = $path;
1231	$map->{last_save} = $cf::RUNTIME;	2031	$map->{last_save} = $cf::RUNTIME;
1232	$map->last_access ($cf::RUNTIME);
1233		2032
1234	if ($map->should_reset) {	2033	$map->load_header
		2034	or return;
		2035
		2036	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2037	# doing this can freeze the server in a sync job, obviously
		2038	#$cf::WAIT_FOR_TICK->wait;
		2039	undef $guard2;
		2040	undef $guard1;
1235	$map->reset;	2041	$map->reset;
1236	undef $guard;	2042	return find $path;
1237	$map = find_map $path
1238	or return;
1239	}	2043	}
1240		2044
1241	$cf::MAP{$key} = $map	2045	$cf::MAP{$path} = $map
1242	}	2046	}
1243	}	2047	}
		2048
		2049	sub pre_load { }
		2050	#sub post_load { } # XS
1244		2051
1245	sub load {	2052	sub load {
1246	my ($self) = @_;	2053	my ($self) = @_;
1247		2054
		2055	local $self->{deny_reset} = 1; # loading can take a long time
		2056
1248	my $path = $self->{path};	2057	my $path = $self->{path};
		2058
		2059	{
1249	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2060	my $guard = cf::lock_acquire "map_data:$path";
1250		2061
		2062	return unless $self->valid;
1251	return if $self->in_memory != cf::MAP_SWAPPED;	2063	return unless $self->in_memory == cf::MAP_SWAPPED;
1252		2064
1253	$self->in_memory (cf::MAP_LOADING);	2065	$self->in_memory (cf::MAP_LOADING);
1254		2066
1255	$self->alloc;	2067	$self->alloc;
1256	$self->load_objects ($self->{load_path}, 1)	2068
		2069	$self->pre_load;
		2070	cf::cede_to_tick;
		2071
		2072	my $f = new_from_file cf::object::thawer $self->{load_path};
		2073	$f->skip_block;
		2074	$self->_load_objects ($f)
1257	or return;	2075	or return;
1258		2076
1259	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2077	$self->post_load_original
1260	if delete $self->{load_original};	2078	if delete $self->{load_original};
1261		2079
1262	if (my $uniq = $path->uniq_path) {	2080	if (my $uniq = $self->uniq_path) {
1263	utf8::encode $uniq;	2081	utf8::encode $uniq;
1264	if (aio_open $uniq, O_RDONLY, 0) {	2082	unless (aio_stat $uniq) {
		2083	if (my $f = new_from_file cf::object::thawer $uniq) {
1265	$self->clear_unique_items;	2084	$self->clear_unique_items;
1266	$self->load_objects ($uniq, 0);	2085	$self->_load_objects ($f);
		2086	$f->resolve_delayed_derefs;
		2087	}
1267	}	2088	}
1268	}	2089	}
1269		2090
		2091	$f->resolve_delayed_derefs;
		2092
		2093	cf::cede_to_tick;
1270	# now do the right thing for maps	2094	# now do the right thing for maps
1271	$self->link_multipart_objects;	2095	$self->link_multipart_objects;
1272
1273	if ($self->{path}->is_style_map) {
1274	$self->{deny_save} = 1;
1275	$self->{deny_reset} = 1;
1276	} else {
1277	$self->fix_auto_apply;
1278	$self->decay_objects;
1279	$self->update_buttons;
1280	$self->set_darkness_map;
1281	$self->difficulty ($self->estimate_difficulty)	2096	$self->difficulty ($self->estimate_difficulty)
1282	unless $self->difficulty;	2097	unless $self->difficulty;
		2098	cf::cede_to_tick;
		2099
		2100	unless ($self->{deny_activate}) {
		2101	$self->decay_objects;
		2102	$self->fix_auto_apply;
		2103	$self->update_buttons;
		2104	cf::cede_to_tick;
1283	$self->activate;	2105	$self->activate;
1284	}	2106	}
1285		2107
		2108	$self->{last_save} = $cf::RUNTIME;
		2109	$self->last_access ($cf::RUNTIME);
		2110
1286	$self->in_memory (cf::MAP_IN_MEMORY);	2111	$self->in_memory (cf::MAP_ACTIVE);
1287	}	2112	}
1288		2113
1289	sub load_map_sync {	2114	$self->post_load;
		2115	}
		2116
		2117	# customize the map for a given player, i.e.
		2118	# return the _real_ map. used by e.g. per-player
		2119	# maps to change the path to ~playername/mappath
		2120	sub customise_for {
		2121	my ($self, $ob) = @_;
		2122
		2123	return find "~" . $ob->name . "/" . $self->{path}
		2124	if $self->per_player;
		2125
		2126	# return find "?party/" . $ob->name . "/" . $self->{path}
		2127	# if $self->per_party;
		2128
		2129	$self
		2130	}
		2131
		2132	# find and load all maps in the 3x3 area around a map
		2133	sub load_neighbours {
		2134	my ($map) = @_;
		2135
		2136	my @neigh; # diagonal neighbours
		2137
		2138	for (0 .. 3) {
		2139	my $neigh = $map->tile_path ($_)
		2140	or next;
		2141	$neigh = find $neigh, $map
		2142	or next;
		2143	$neigh->load;
		2144
		2145	push @neigh,
		2146	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		2147	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		2148	}
		2149
		2150	for (grep defined $_->[0], @neigh) {
		2151	my ($path, $origin) = @$_;
		2152	my $neigh = find $path, $origin
		2153	or next;
		2154	$neigh->load;
		2155	}
		2156	}
		2157
		2158	sub find_sync {
1290	my ($path, $origin) = @_;	2159	my ($path, $origin) = @_;
1291		2160
1292	#warn "load_map_sync<$path, $origin>\n";#d#	2161	cf::sync_job { find $path, $origin }
		2162	}
1293		2163
1294	cf::sync_job {	2164	sub do_load_sync {
1295	my $map = cf::map::find_map $path, $origin	2165	my ($map) = @_;
1296	or return;	2166
1297	$map->load;	2167	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
1298	$map	2168	if $Coro::current == $Coro::main;
		2169
		2170	cf::sync_job { $map->load };
		2171	}
		2172
		2173	our %MAP_PREFETCH;
		2174	our $MAP_PREFETCHER = undef;
		2175
		2176	sub find_async {
		2177	my ($path, $origin, $load) = @_;
		2178
		2179	$path = normalise $path, $origin && $origin->{path};
		2180
		2181	if (my $map = $cf::MAP{$path}) {
		2182	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2183	}
		2184
		2185	$MAP_PREFETCH{$path} |= $load;
		2186
		2187	$MAP_PREFETCHER ||= cf::async {
		2188	$Coro::current->{desc} = "map prefetcher";
		2189
		2190	while (%MAP_PREFETCH) {
		2191	while (my ($k, $v) = each %MAP_PREFETCH) {
		2192	if (my $map = find $k) {
		2193	$map->load if $v;
		2194	}
		2195
		2196	delete $MAP_PREFETCH{$k};
		2197	}
		2198	}
		2199	undef $MAP_PREFETCHER;
1299	}	2200	};
		2201	$MAP_PREFETCHER->prio (6);
		2202
		2203	()
1300	}	2204	}
1301		2205
1302	sub save {	2206	sub save {
1303	my ($self) = @_;	2207	my ($self) = @_;
1304		2208
		2209	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2210
1305	$self->{last_save} = $cf::RUNTIME;	2211	$self->{last_save} = $cf::RUNTIME;
1306		2212
1307	return unless $self->dirty;	2213	return unless $self->dirty;
1308		2214
1309	my $save = $self->{path}->save_path; utf8::encode $save;	2215	my $save = $self->save_path; utf8::encode $save;
1310	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2216	my $uniq = $self->uniq_path; utf8::encode $uniq;
1311		2217
1312	$self->{load_path} = $save;	2218	$self->{load_path} = $save;
1313		2219
1314	return if $self->{deny_save};	2220	return if $self->{deny_save};
1315		2221
		2222	local $self->{last_access} = $self->last_access;#d#
		2223
		2224	cf::async {
		2225	$Coro::current->{desc} = "map player save";
		2226	$_->contr->save for $self->players;
		2227	};
		2228
		2229	cf::get_slot 0.02;
		2230
1316	if ($uniq) {	2231	if ($uniq) {
1317	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2232	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1318	$self->save_objects ($uniq, cf::IO_UNIQUES);	2233	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1319	} else {	2234	} else {
1320	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2235	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1321	}	2236	}
1322	}	2237	}
1323		2238
1324	sub swap_out {	2239	sub swap_out {
1325	my ($self) = @_;	2240	my ($self) = @_;
1326		2241
1327	# save first because save cedes	2242	# save first because save cedes
1328	$self->save;	2243	$self->save;
1329		2244
		2245	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2246
1330	return if $self->players;	2247	return if $self->players;
1331	return if $self->in_memory != cf::MAP_IN_MEMORY;	2248	return if $self->in_memory != cf::MAP_ACTIVE;
1332	return if $self->{deny_save};	2249	return if $self->{deny_save};
1333		2250
		2251	$self->in_memory (cf::MAP_SWAPPED);
		2252
		2253	$self->deactivate;
		2254	$_->clear_links_to ($self) for values %cf::MAP;
1334	$self->clear;	2255	$self->clear;
1335	$self->in_memory (cf::MAP_SWAPPED);
1336	}	2256	}
1337		2257
1338	sub reset_at {	2258	sub reset_at {
1339	my ($self) = @_;	2259	my ($self) = @_;
1340		2260
1341	# TODO: safety, remove and allow resettable per-player maps	2261	# TODO: safety, remove and allow resettable per-player maps
1342	return 1e99 if $self->{path}{user_rel};
1343	return 1e99 if $self->{deny_reset};	2262	return 1e99 if $self->{deny_reset};
1344		2263
1345	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2264	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1346	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2265	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1347		2266
…		…
1352	my ($self) = @_;	2271	my ($self) = @_;
1353		2272
1354	$self->reset_at <= $cf::RUNTIME	2273	$self->reset_at <= $cf::RUNTIME
1355	}	2274	}
1356		2275
1357	sub unlink_save {
1358	my ($self) = @_;
1359
1360	utf8::encode (my $save = $self->{path}->save_path);
1361	aioreq_pri 3; IO::AIO::aio_unlink $save;
1362	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1363	}
1364
1365	sub rename {
1366	my ($self, $new_path) = @_;
1367
1368	$self->unlink_save;
1369
1370	delete $cf::MAP{$self->path};
1371	$self->{path} = new cf::path $new_path;
1372	$self->path ($self->{path}->as_string);
1373	$cf::MAP{$self->path} = $self;
1374
1375	$self->save;
1376	}
1377
1378	sub reset {	2276	sub reset {
1379	my ($self) = @_;	2277	my ($self) = @_;
1380		2278
		2279	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2280
1381	return if $self->players;	2281	return if $self->players;
1382	return if $self->{path}{user_rel};#d#
1383		2282
1384	warn "resetting map ", $self->path;#d#	2283	warn "resetting map ", $self->path, "\n";
		2284
		2285	$self->in_memory (cf::MAP_SWAPPED);
		2286
		2287	# need to save uniques path
		2288	unless ($self->{deny_save}) {
		2289	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2290
		2291	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2292	if $uniq;
		2293	}
1385		2294
1386	delete $cf::MAP{$self->path};	2295	delete $cf::MAP{$self->path};
1387		2296
		2297	$self->deactivate;
1388	$_->clear_links_to ($self) for values %cf::MAP;	2298	$_->clear_links_to ($self) for values %cf::MAP;
		2299	$self->clear;
1389		2300
1390	$self->unlink_save;	2301	$self->unlink_save;
1391	$self->destroy;	2302	$self->destroy;
1392	}	2303	}
1393		2304
1394	my $nuke_counter = "aaaa";	2305	my $nuke_counter = "aaaa";
1395		2306
1396	sub nuke {	2307	sub nuke {
1397	my ($self) = @_;	2308	my ($self) = @_;
1398		2309
		2310	{
		2311	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2312
		2313	delete $cf::MAP{$self->path};
		2314
		2315	$self->unlink_save;
		2316
		2317	bless $self, "cf::map";
		2318	delete $self->{deny_reset};
1399	$self->{deny_save} = 1;	2319	$self->{deny_save} = 1;
1400	$self->reset_timeout (1);	2320	$self->reset_timeout (1);
1401	$self->rename ("{nuke}/" . ($nuke_counter++));	2321	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2322
		2323	$cf::MAP{$self->path} = $self;
		2324	}
		2325
1402	$self->reset; # polite request, might not happen	2326	$self->reset; # polite request, might not happen
1403	}	2327	}
1404		2328
1405	sub customise_for {	2329	=item $maps = cf::map::tmp_maps
1406	my ($map, $ob) = @_;
1407		2330
1408	if ($map->per_player) {	2331	Returns an arrayref with all map paths of currently instantiated and saved
1409	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	2332	maps. May block.
		2333
		2334	=cut
		2335
		2336	sub tmp_maps() {
1410	}	2337	[
1411		2338	map {
1412	$map	2339	utf8::decode $_;
		2340	/\.map$/
		2341	? normalise $_
		2342	: ()
		2343	} @{ aio_readdir $TMPDIR or [] }
		2344	]
1413	}	2345	}
1414		2346
1415	sub emergency_save {	2347	=item $maps = cf::map::random_maps
1416	local $cf::FREEZE = 1;
1417		2348
1418	warn "enter emergency map save\n";	2349	Returns an arrayref with all map paths of currently instantiated and saved
		2350	random maps. May block.
1419		2351
1420	cf::sync_job {	2352	=cut
1421	warn "begin emergency map save\n";	2353
1422	$_->save for values %cf::MAP;	2354	sub random_maps() {
		2355	[
		2356	map {
		2357	utf8::decode $_;
		2358	/\.map$/
		2359	? normalise "?random/$_"
		2360	: ()
		2361	} @{ aio_readdir $RANDOMDIR or [] }
		2362	]
		2363	}
		2364
		2365	=item cf::map::unique_maps
		2366
		2367	Returns an arrayref of paths of all shared maps that have
		2368	instantiated unique items. May block.
		2369
		2370	=cut
		2371
		2372	sub unique_maps() {
		2373	[
		2374	map {
		2375	utf8::decode $_;
		2376	s/\.map$//; # TODO future compatibility hack
		2377	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2378	? ()
		2379	: normalise $_
		2380	} @{ aio_readdir $UNIQUEDIR or [] }
		2381	]
		2382	}
		2383
		2384	=item cf::map::static_maps
		2385
		2386	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2387	file in the shared directory excluding F</styles> and F</editor>). May
		2388	block.
		2389
		2390	=cut
		2391
		2392	sub static_maps() {
		2393	my @dirs = "";
		2394	my @maps;
		2395
		2396	while (@dirs) {
		2397	my $dir = shift @dirs;
		2398
		2399	next if $dir eq "/styles" || $dir eq "/editor";
		2400
		2401	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2402	or return;
		2403
		2404	for (@$files) {
		2405	s/\.map$// or next;
		2406	utf8::decode $_;
		2407	push @maps, "$dir/$_";
		2408	}
		2409
		2410	push @dirs, map "$dir/$_", @$dirs;
1423	};	2411	}
1424		2412
1425	warn "end emergency map save\n";	2413	\@maps
		2414	}
		2415
		2416	=back
		2417
		2418	=head3 cf::object
		2419
		2420	=cut
		2421
		2422	package cf::object;
		2423
		2424	=over 4
		2425
		2426	=item $ob->inv_recursive
		2427
		2428	Returns the inventory of the object I<and> their inventories, recursively,
		2429	but I<not> the object itself.
		2430
		2431	=cut
		2432
		2433	sub inv_recursive_;
		2434	sub inv_recursive_ {
		2435	map { $_, inv_recursive_ $_->inv } @_
		2436	}
		2437
		2438	sub inv_recursive {
		2439	inv_recursive_ inv $_[0]
		2440	}
		2441
		2442	=item $ref = $ob->ref
		2443
		2444	Creates and returns a persistent reference to an object that can be stored as a string.
		2445
		2446	=item $ob = cf::object::deref ($refstring)
		2447
		2448	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2449	even if the object actually exists. May block.
		2450
		2451	=cut
		2452
		2453	sub deref {
		2454	my ($ref) = @_;
		2455
		2456	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2457	my ($uuid, $name) = ($1, $2);
		2458	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2459	or return;
		2460	$pl->ob->uuid eq $uuid
		2461	or return;
		2462
		2463	$pl->ob
		2464	} else {
		2465	warn "$ref: cannot resolve object reference\n";
		2466	undef
		2467	}
1426	}	2468	}
1427		2469
1428	package cf;	2470	package cf;
1429		2471
1430	=back	2472	=back
1431
1432		2473
1433	=head3 cf::object::player	2474	=head3 cf::object::player
1434		2475
1435	=over 4	2476	=over 4
1436		2477
…		…
1439	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2480	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1440	can be C<undef>. Does the right thing when the player is currently in a	2481	can be C<undef>. Does the right thing when the player is currently in a
1441	dialogue with the given NPC character.	2482	dialogue with the given NPC character.
1442		2483
1443	=cut	2484	=cut
		2485
		2486	our $SAY_CHANNEL = {
		2487	id => "say",
		2488	title => "Map",
		2489	reply => "say ",
		2490	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2491	};
		2492
		2493	our $CHAT_CHANNEL = {
		2494	id => "chat",
		2495	title => "Chat",
		2496	reply => "chat ",
		2497	tooltip => "Player chat and shouts, global to the server.",
		2498	};
1444		2499
1445	# rough implementation of a future "reply" method that works	2500	# rough implementation of a future "reply" method that works
1446	# with dialog boxes.	2501	# with dialog boxes.
1447	#TODO: the first argument must go, split into a $npc->reply_to ( method	2502	#TODO: the first argument must go, split into a $npc->reply_to ( method
1448	sub cf::object::player::reply($$$;$) {	2503	sub cf::object::player::reply($$$;$) {
…		…
1450		2505
1451	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2506	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1452		2507
1453	if ($self->{record_replies}) {	2508	if ($self->{record_replies}) {
1454	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2509	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2510
1455	} else {	2511	} else {
		2512	my $pl = $self->contr;
		2513
		2514	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2515	my $dialog = $pl->{npc_dialog};
		2516	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2517
		2518	} else {
1456	$msg = $npc->name . " says: $msg" if $npc;	2519	$msg = $npc->name . " says: $msg" if $npc;
1457	$self->message ($msg, $flags);	2520	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2521	}
1458	}	2522	}
		2523	}
		2524
		2525	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2526
		2527	=cut
		2528
		2529	sub cf::object::send_msg {
		2530	my $pl = shift->contr
		2531	or return;
		2532	$pl->send_msg (@_);
1459	}	2533	}
1460		2534
1461	=item $player_object->may ("access")	2535	=item $player_object->may ("access")
1462		2536
1463	Returns wether the given player is authorized to access resource "access"	2537	Returns wether the given player is authorized to access resource "access"
…		…
1476		2550
1477	=item $player_object->enter_link	2551	=item $player_object->enter_link
1478		2552
1479	Freezes the player and moves him/her to a special map (C<{link}>).	2553	Freezes the player and moves him/her to a special map (C<{link}>).
1480		2554
1481	The player should be reaosnably safe there for short amounts of time. You	2555	The player should be reasonably safe there for short amounts of time (e.g.
1482	I<MUST> call C<leave_link> as soon as possible, though.	2556	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2557	though, as the palyer cannot control the character while it is on the link
		2558	map.
		2559
		2560	Will never block.
1483		2561
1484	=item $player_object->leave_link ($map, $x, $y)	2562	=item $player_object->leave_link ($map, $x, $y)
1485		2563
1486	Moves the player out of the specila link map onto the given map. If the	2564	Moves the player out of the special C<{link}> map onto the specified
1487	map is not valid (or omitted), the player will be moved back to the	2565	map. If the map is not valid (or omitted), the player will be moved back
1488	location he/she was before the call to C<enter_link>, or, if that fails,	2566	to the location he/she was before the call to C<enter_link>, or, if that
1489	to the emergency map position.	2567	fails, to the emergency map position.
1490		2568
1491	Might block.	2569	Might block.
1492		2570
1493	=cut	2571	=cut
		2572
		2573	sub link_map {
		2574	unless ($LINK_MAP) {
		2575	$LINK_MAP = cf::map::find "{link}"
		2576	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2577	$LINK_MAP->load;
		2578	}
		2579
		2580	$LINK_MAP
		2581	}
1494		2582
1495	sub cf::object::player::enter_link {	2583	sub cf::object::player::enter_link {
1496	my ($self) = @_;	2584	my ($self) = @_;
1497		2585
1498	$self->deactivate_recursive;	2586	$self->deactivate_recursive;
1499		2587
1500	return if $self->map == $LINK_MAP;	2588	return if UNIVERSAL::isa $self->map, "ext::map_link";
1501		2589
1502	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2590	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1503	if $self->map;	2591	if $self->map && $self->map->{path} ne "{link}";
1504		2592
1505	$self->enter_map ($LINK_MAP, 20, 20);	2593	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1506	}	2594	}
1507		2595
1508	sub cf::object::player::leave_link {	2596	sub cf::object::player::leave_link {
1509	my ($self, $map, $x, $y) = @_;	2597	my ($self, $map, $x, $y) = @_;
		2598
		2599	return unless $self->contr->active;
1510		2600
1511	my $link_pos = delete $self->{_link_pos};	2601	my $link_pos = delete $self->{_link_pos};
1512		2602
1513	unless ($map) {	2603	unless ($map) {
1514	# restore original map position	2604	# restore original map position
1515	($map, $x, $y) = @{ $link_pos || [] };	2605	($map, $x, $y) = @{ $link_pos || [] };
1516	$map = cf::map::find_map $map;	2606	$map = cf::map::find $map;
1517		2607
1518	unless ($map) {	2608	unless ($map) {
1519	($map, $x, $y) = @$EMERGENCY_POSITION;	2609	($map, $x, $y) = @$EMERGENCY_POSITION;
1520	$map = cf::map::find_map $map	2610	$map = cf::map::find $map
1521	or die "FATAL: cannot load emergency map\n";	2611	or die "FATAL: cannot load emergency map\n";
1522	}	2612	}
1523	}	2613	}
1524		2614
1525	($x, $y) = (-1, -1)	2615	($x, $y) = (-1, -1)
1526	unless (defined $x) && (defined $y);	2616	unless (defined $x) && (defined $y);
1527		2617
1528	# use -1 or undef as default coordinates, not 0, 0	2618	# use -1 or undef as default coordinates, not 0, 0
1529	($x, $y) = ($map->enter_x, $map->enter_y)	2619	($x, $y) = ($map->enter_x, $map->enter_y)
1530	if $x <=0 && $y <= 0;	2620	if $x <= 0 && $y <= 0;
1531		2621
1532	$map->load;	2622	$map->load;
		2623	$map->load_neighbours;
1533		2624
		2625	return unless $self->contr->active;
		2626
		2627	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2628	$self->enter_map ($map, $x, $y);
		2629
		2630	# only activate afterwards, to support waiting in hooks
1534	$self->activate_recursive;	2631	$self->activate_recursive;
1535	$self->enter_map ($map, $x, $y);
1536	}	2632	}
1537		2633
1538	cf::player->attach (	2634	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1539	on_logout => sub {
1540	my ($pl) = @_;
1541		2635
1542	# abort map switching before logout	2636	Moves the player to the given map-path and coordinates by first freezing
1543	if ($pl->ob->{_link_pos}) {	2637	her, loading and preparing them map, calling the provided $check callback
1544	cf::sync_job {	2638	that has to return the map if sucecssful, and then unfreezes the player on
1545	$pl->ob->leave_link	2639	the new (success) or old (failed) map position. In either case, $done will
1546	};	2640	be called at the end of this process.
1547	}
1548	},
1549	on_login => sub {
1550	my ($pl) = @_;
1551		2641
1552	# try to abort aborted map switching on player login :)	2642	Note that $check will be called with a potentially non-loaded map, so if
1553	# should happen only on crashes	2643	it needs a loaded map it has to call C<< ->load >>.
1554	if ($pl->ob->{_link_pos}) {
1555	$pl->ob->enter_link;
1556	cf::async {
1557	# we need this sleep as the login has a concurrent enter_exit running
1558	# and this sleep increases chances of the player not ending up in scorn
1559	Coro::Timer::sleep 1;
1560	$pl->ob->leave_link;
1561	};
1562	}
1563	},
1564	);
1565		2644
1566	=item $player_object->goto_map ($path, $x, $y)
1567
1568	=cut	2645	=cut
1569		2646
		2647	our $GOTOGEN;
		2648
1570	sub cf::object::player::goto_map {	2649	sub cf::object::player::goto {
1571	my ($self, $path, $x, $y) = @_;	2650	my ($self, $path, $x, $y, $check, $done) = @_;
		2651
		2652	# do generation counting so two concurrent goto's will be executed in-order
		2653	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1572		2654
1573	$self->enter_link;	2655	$self->enter_link;
1574		2656
1575	(cf::async {	2657	(async {
1576	$path = new cf::path $path;	2658	$Coro::current->{desc} = "player::goto $path $x $y";
1577		2659
1578	my $map = cf::map::find_map $path->as_string;	2660	# *tag paths override both path and x|y
		2661	if ($path =~ /^\*(.*)$/) {
		2662	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2663	my $ob = $obs[rand @obs];
		2664
		2665	# see if we actually can go there
		2666	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2667	$ob = $obs[rand @obs];
		2668	} else {
		2669	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2670	}
		2671	# else put us there anyways for now #d#
		2672
		2673	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2674	} else {
		2675	($path, $x, $y) = (undef, undef, undef);
		2676	}
		2677	}
		2678
		2679	my $map = eval {
		2680	my $map = defined $path ? cf::map::find $path : undef;
		2681
		2682	if ($map) {
1579	$map = $map->customise_for ($self) if $map;	2683	$map = $map->customise_for ($self);
1580		2684	$map = $check->($map) if $check && $map;
1581	# warn "entering ", $map->path, " at ($x, $y)\n"	2685	} else {
1582	# if $map;
1583
1584	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2686	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2687	}
1585		2688
		2689	$map
		2690	};
		2691
		2692	if ($@) {
		2693	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2694	LOG llevError | logBacktrace, Carp::longmess $@;
		2695	}
		2696
		2697	if ($gen == $self->{_goto_generation}) {
		2698	delete $self->{_goto_generation};
1586	$self->leave_link ($map, $x, $y);	2699	$self->leave_link ($map, $x, $y);
		2700	}
		2701
		2702	$done->() if $done;
1587	})->prio (1);	2703	})->prio (1);
1588	}	2704	}
1589		2705
1590	=item $player_object->enter_exit ($exit_object)	2706	=item $player_object->enter_exit ($exit_object)
1591		2707
…		…
1593		2709
1594	sub parse_random_map_params {	2710	sub parse_random_map_params {
1595	my ($spec) = @_;	2711	my ($spec) = @_;
1596		2712
1597	my $rmp = { # defaults	2713	my $rmp = { # defaults
1598	xsize => 10,	2714	xsize => (cf::rndm 15, 40),
1599	ysize => 10,	2715	ysize => (cf::rndm 15, 40),
		2716	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2717	#layout => string,
1600	};	2718	};
1601		2719
1602	for (split /\n/, $spec) {	2720	for (split /\n/, $spec) {
1603	my ($k, $v) = split /\s+/, $_, 2;	2721	my ($k, $v) = split /\s+/, $_, 2;
1604		2722
…		…
1616	# that depends on the exit object	2734	# that depends on the exit object
1617		2735
1618	my $rmp = parse_random_map_params $exit->msg;	2736	my $rmp = parse_random_map_params $exit->msg;
1619		2737
1620	if ($exit->map) {	2738	if ($exit->map) {
1621	$rmp->{region} = $exit->map->region_name;	2739	$rmp->{region} = $exit->region->name;
1622	$rmp->{origin_map} = $exit->map->path;	2740	$rmp->{origin_map} = $exit->map->path;
1623	$rmp->{origin_x} = $exit->x;	2741	$rmp->{origin_x} = $exit->x;
1624	$rmp->{origin_y} = $exit->y;	2742	$rmp->{origin_y} = $exit->y;
		2743
		2744	$exit->map->touch;
1625	}	2745	}
1626		2746
1627	$rmp->{random_seed} ||= $exit->random_seed;	2747	$rmp->{random_seed} ||= $exit->random_seed;
1628		2748
1629	my $data = cf::to_json $rmp;	2749	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1630	my $md5 = Digest::MD5::md5_hex $data;	2750	my $md5 = Digest::MD5::md5_hex $data;
		2751	my $meta = "$RANDOMDIR/$md5.meta";
1631		2752
1632	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2753	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1633	aio_write $fh, 0, (length $data), $data, 0;	2754	aio_write $fh, 0, (length $data), $data, 0;
		2755	undef $fh;
		2756	aio_rename "$meta~", $meta;
1634		2757
		2758	my $slaying = "?random/$md5";
		2759
		2760	if ($exit->valid) {
1635	$exit->slaying ("?random/$md5");	2761	$exit->slaying ("?random/$md5");
1636	$exit->msg (undef);	2762	$exit->msg (undef);
		2763	}
1637	}	2764	}
1638	}	2765	}
1639		2766
1640	sub cf::object::player::enter_exit {	2767	sub cf::object::player::enter_exit {
1641	my ($self, $exit) = @_;	2768	my ($self, $exit) = @_;
1642		2769
1643	return unless $self->type == cf::PLAYER;	2770	return unless $self->type == cf::PLAYER;
1644		2771
1645	$self->enter_link;	2772	$self->enter_link;
1646		2773
1647	(cf::async {	2774	(async {
		2775	$Coro::current->{desc} = "enter_exit";
		2776
1648	unless (eval {	2777	unless (eval {
		2778	$self->deactivate_recursive; # just to be sure
		2779
		2780	# random map handling
		2781	{
		2782	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2783
1649	prepare_random_map $exit	2784	prepare_random_map $exit
1650	if $exit->slaying eq "/!";	2785	if $exit->slaying eq "/!";
		2786	}
1651		2787
1652	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2788	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1653	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	2789	my $x = $exit->stats->hp;
		2790	my $y = $exit->stats->sp;
1654		2791
		2792	$self->goto ($map, $x, $y);
		2793
		2794	# if exit is damned, update players death & WoR home-position
		2795	$self->contr->savebed ($map, $x, $y)
		2796	if $exit->flag (cf::FLAG_DAMNED);
		2797
1655	1;	2798	1
1656	}) {	2799	}) {
1657	$self->message ("Something went wrong deep within the crossfire server. "	2800	$self->message ("Something went wrong deep within the deliantra server. "
1658	. "I'll try to bring you back to the map you were before. "	2801	. "I'll try to bring you back to the map you were before. "
1659	. "Please report this to the dungeon master",	2802	. "Please report this to the dungeon master!",
1660	cf::NDI_UNIQUE | cf::NDI_RED);	2803	cf::NDI_UNIQUE | cf::NDI_RED);
1661		2804
1662	warn "ERROR in enter_exit: $@";	2805	warn "ERROR in enter_exit: $@";
1663	$self->leave_link;	2806	$self->leave_link;
1664	}	2807	}
1665	})->prio (1);	2808	})->prio (1);
…		…
1678		2821
1679	sub cf::client::send_drawinfo {	2822	sub cf::client::send_drawinfo {
1680	my ($self, $text, $flags) = @_;	2823	my ($self, $text, $flags) = @_;
1681		2824
1682	utf8::encode $text;	2825	utf8::encode $text;
1683	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2826	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1684	}	2827	}
1685		2828
		2829	=item $client->send_big_packet ($pkt)
		2830
		2831	Like C<send_packet>, but tries to compress large packets, and fragments
		2832	them as required.
		2833
		2834	=cut
		2835
		2836	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2837
		2838	sub cf::client::send_big_packet {
		2839	my ($self, $pkt) = @_;
		2840
		2841	# try lzf for large packets
		2842	$pkt = "lzf " . Compress::LZF::compress $pkt
		2843	if 1024 <= length $pkt and $self->{can_lzf};
		2844
		2845	# split very large packets
		2846	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2847	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2848	$pkt = "frag";
		2849	}
		2850
		2851	$self->send_packet ($pkt);
		2852	}
		2853
		2854	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2855
		2856	Send a drawinfo or msg packet to the client, formatting the msg for the
		2857	client if neccessary. C<$type> should be a string identifying the type of
		2858	the message, with C<log> being the default. If C<$color> is negative, suppress
		2859	the message unless the client supports the msg packet.
		2860
		2861	=cut
		2862
		2863	# non-persistent channels (usually the info channel)
		2864	our %CHANNEL = (
		2865	"c/motd" => {
		2866	id => "infobox",
		2867	title => "MOTD",
		2868	reply => undef,
		2869	tooltip => "The message of the day",
		2870	},
		2871	"c/identify" => {
		2872	id => "infobox",
		2873	title => "Identify",
		2874	reply => undef,
		2875	tooltip => "Items recently identified",
		2876	},
		2877	"c/examine" => {
		2878	id => "infobox",
		2879	title => "Examine",
		2880	reply => undef,
		2881	tooltip => "Signs and other items you examined",
		2882	},
		2883	"c/shopinfo" => {
		2884	id => "infobox",
		2885	title => "Shop Info",
		2886	reply => undef,
		2887	tooltip => "What your bargaining skill tells you about the shop",
		2888	},
		2889	"c/book" => {
		2890	id => "infobox",
		2891	title => "Book",
		2892	reply => undef,
		2893	tooltip => "The contents of a note or book",
		2894	},
		2895	"c/lookat" => {
		2896	id => "infobox",
		2897	title => "Look",
		2898	reply => undef,
		2899	tooltip => "What you saw there",
		2900	},
		2901	"c/who" => {
		2902	id => "infobox",
		2903	title => "Players",
		2904	reply => undef,
		2905	tooltip => "Shows players who are currently online",
		2906	},
		2907	"c/body" => {
		2908	id => "infobox",
		2909	title => "Body Parts",
		2910	reply => undef,
		2911	tooltip => "Shows which body parts you posess and are available",
		2912	},
		2913	"c/statistics" => {
		2914	id => "infobox",
		2915	title => "Statistics",
		2916	reply => undef,
		2917	tooltip => "Shows your primary statistics",
		2918	},
		2919	"c/skills" => {
		2920	id => "infobox",
		2921	title => "Skills",
		2922	reply => undef,
		2923	tooltip => "Shows your experience per skill and item power",
		2924	},
		2925	"c/shopitems" => {
		2926	id => "infobox",
		2927	title => "Shop Items",
		2928	reply => undef,
		2929	tooltip => "Shows the items currently for sale in this shop",
		2930	},
		2931	"c/resistances" => {
		2932	id => "infobox",
		2933	title => "Resistances",
		2934	reply => undef,
		2935	tooltip => "Shows your resistances",
		2936	},
		2937	"c/pets" => {
		2938	id => "infobox",
		2939	title => "Pets",
		2940	reply => undef,
		2941	tooltip => "Shows information abotu your pets/a specific pet",
		2942	},
		2943	"c/perceiveself" => {
		2944	id => "infobox",
		2945	title => "Perceive Self",
		2946	reply => undef,
		2947	tooltip => "You gained detailed knowledge about yourself",
		2948	},
		2949	"c/uptime" => {
		2950	id => "infobox",
		2951	title => "Uptime",
		2952	reply => undef,
		2953	tooltip => "How long the server has been running since last restart",
		2954	},
		2955	"c/mapinfo" => {
		2956	id => "infobox",
		2957	title => "Map Info",
		2958	reply => undef,
		2959	tooltip => "Information related to the maps",
		2960	},
		2961	"c/party" => {
		2962	id => "party",
		2963	title => "Party",
		2964	reply => "gsay ",
		2965	tooltip => "Messages and chat related to your party",
		2966	},
		2967	"c/death" => {
		2968	id => "death",
		2969	title => "Death",
		2970	reply => undef,
		2971	tooltip => "Reason for and more info about your most recent death",
		2972	},
		2973	"c/say" => $SAY_CHANNEL,
		2974	"c/chat" => $CHAT_CHANNEL,
		2975	);
		2976
		2977	sub cf::client::send_msg {
		2978	my ($self, $channel, $msg, $color, @extra) = @_;
		2979
		2980	$msg = $self->pl->expand_cfpod ($msg)
		2981	unless $color & cf::NDI_VERBATIM;
		2982
		2983	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2984
		2985	# check predefined channels, for the benefit of C
		2986	if ($CHANNEL{$channel}) {
		2987	$channel = $CHANNEL{$channel};
		2988
		2989	$self->ext_msg (channel_info => $channel);
		2990	$channel = $channel->{id};
		2991
		2992	} elsif (ref $channel) {
		2993	# send meta info to client, if not yet sent
		2994	unless (exists $self->{channel}{$channel->{id}}) {
		2995	$self->{channel}{$channel->{id}} = $channel;
		2996	$self->ext_msg (channel_info => $channel);
		2997	}
		2998
		2999	$channel = $channel->{id};
		3000	}
		3001
		3002	return unless @extra || length $msg;
		3003
		3004	# default colour, mask it out
		3005	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3006	if $color & cf::NDI_DEF;
		3007
		3008	my $pkt = "msg "
		3009	. $self->{json_coder}->encode (
		3010	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3011	);
		3012
		3013	$self->send_big_packet ($pkt);
		3014	}
		3015
		3016	=item $client->ext_msg ($type, @msg)
		3017
		3018	Sends an ext event to the client.
		3019
		3020	=cut
		3021
		3022	sub cf::client::ext_msg($$@) {
		3023	my ($self, $type, @msg) = @_;
		3024
		3025	if ($self->extcmd == 2) {
		3026	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3027	} elsif ($self->extcmd == 1) { # TODO: remove
		3028	push @msg, msgtype => "event_$type";
		3029	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3030	}
		3031	}
		3032
		3033	=item $client->ext_reply ($msgid, @msg)
		3034
		3035	Sends an ext reply to the client.
		3036
		3037	=cut
		3038
		3039	sub cf::client::ext_reply($$@) {
		3040	my ($self, $id, @msg) = @_;
		3041
		3042	if ($self->extcmd == 2) {
		3043	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3044	} elsif ($self->extcmd == 1) {
		3045	#TODO: version 1, remove
		3046	unshift @msg, msgtype => "reply", msgid => $id;
		3047	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3048	}
		3049	}
1686		3050
1687	=item $success = $client->query ($flags, "text", \&cb)	3051	=item $success = $client->query ($flags, "text", \&cb)
1688		3052
1689	Queues a query to the client, calling the given callback with	3053	Queues a query to the client, calling the given callback with
1690	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3054	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1691	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3055	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1692		3056
1693	Queries can fail, so check the return code. Or don't, as queries will become	3057	Queries can fail, so check the return code. Or don't, as queries will
1694	reliable at some point in the future.	3058	become reliable at some point in the future.
1695		3059
1696	=cut	3060	=cut
1697		3061
1698	sub cf::client::query {	3062	sub cf::client::query {
1699	my ($self, $flags, $text, $cb) = @_;	3063	my ($self, $flags, $text, $cb) = @_;
…		…
1707	utf8::encode $text;	3071	utf8::encode $text;
1708	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3072	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1709		3073
1710	$self->send_packet ($self->{query_queue}[0][0])	3074	$self->send_packet ($self->{query_queue}[0][0])
1711	if @{ $self->{query_queue} } == 1;	3075	if @{ $self->{query_queue} } == 1;
		3076
		3077	1
1712	}	3078	}
1713		3079
1714	cf::client->attach (	3080	cf::client->attach (
		3081	on_connect => sub {
		3082	my ($ns) = @_;
		3083
		3084	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3085	},
1715	on_reply => sub {	3086	on_reply => sub {
1716	my ($ns, $msg) = @_;	3087	my ($ns, $msg) = @_;
1717		3088
1718	# this weird shuffling is so that direct followup queries	3089	# this weird shuffling is so that direct followup queries
1719	# get handled first	3090	# get handled first
1720	my $queue = delete $ns->{query_queue}	3091	my $queue = delete $ns->{query_queue}
1721	or return; # be conservative, not sure how that can happen, but we saw a crash here	3092	or return; # be conservative, not sure how that can happen, but we saw a crash here
1722		3093
1723	(shift @$queue)->[1]->($msg);	3094	(shift @$queue)->[1]->($msg);
		3095	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1724		3096
1725	push @{ $ns->{query_queue} }, @$queue;	3097	push @{ $ns->{query_queue} }, @$queue;
1726		3098
1727	if (@{ $ns->{query_queue} } == @$queue) {	3099	if (@{ $ns->{query_queue} } == @$queue) {
1728	if (@$queue) {	3100	if (@$queue) {
…		…
1730	} else {	3102	} else {
1731	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3103	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1732	}	3104	}
1733	}	3105	}
1734	},	3106	},
		3107	on_exticmd => sub {
		3108	my ($ns, $buf) = @_;
		3109
		3110	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3111
		3112	if (ref $msg) {
		3113	my ($type, $reply, @payload) =
		3114	"ARRAY" eq ref $msg
		3115	? @$msg
		3116	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3117
		3118	my @reply;
		3119
		3120	if (my $cb = $EXTICMD{$type}) {
		3121	@reply = $cb->($ns, @payload);
		3122	}
		3123
		3124	$ns->ext_reply ($reply, @reply)
		3125	if $reply;
		3126
		3127	} else {
		3128	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3129	}
		3130
		3131	cf::override;
		3132	},
1735	);	3133	);
1736		3134
1737	=item $client->coro (\&cb)	3135	=item $client->async (\&cb)
1738		3136
1739	Create a new coroutine, running the specified callback. The coroutine will	3137	Create a new coroutine, running the specified callback. The coroutine will
1740	be automatically cancelled when the client gets destroyed (e.g. on logout,	3138	be automatically cancelled when the client gets destroyed (e.g. on logout,
1741	or loss of connection).	3139	or loss of connection).
1742		3140
1743	=cut	3141	=cut
1744		3142
1745	sub cf::client::coro {	3143	sub cf::client::async {
1746	my ($self, $cb) = @_;	3144	my ($self, $cb) = @_;
1747		3145
1748	my $coro = &cf::async ($cb);	3146	my $coro = &Coro::async ($cb);
1749		3147
1750	$coro->on_destroy (sub {	3148	$coro->on_destroy (sub {
1751	delete $self->{_coro}{$coro+0};	3149	delete $self->{_coro}{$coro+0};
1752	});	3150	});
1753		3151
…		…
1755		3153
1756	$coro	3154	$coro
1757	}	3155	}
1758		3156
1759	cf::client->attach (	3157	cf::client->attach (
1760	on_destroy => sub {	3158	on_client_destroy => sub {
1761	my ($ns) = @_;	3159	my ($ns) = @_;
1762		3160
1763	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3161	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
1764	},	3162	},
1765	);	3163	);
…		…
1780	our $safe = new Safe "safe";	3178	our $safe = new Safe "safe";
1781	our $safe_hole = new Safe::Hole;	3179	our $safe_hole = new Safe::Hole;
1782		3180
1783	$SIG{FPE} = 'IGNORE';	3181	$SIG{FPE} = 'IGNORE';
1784		3182
1785	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3183	$safe->permit_only (Opcode::opset qw(
		3184	:base_core :base_mem :base_orig :base_math :base_loop
		3185	grepstart grepwhile mapstart mapwhile
		3186	sort time
		3187	));
1786		3188
1787	# here we export the classes and methods available to script code	3189	# here we export the classes and methods available to script code
1788		3190
1789	=pod	3191	=pod
1790		3192
1791	The following fucntions and emthods are available within a safe environment:	3193	The following functions and methods are available within a safe environment:
1792		3194
1793	cf::object contr pay_amount pay_player map	3195	cf::object
		3196	contr pay_amount pay_player map x y force_find force_add destroy
		3197	insert remove name archname title slaying race decrease split
		3198	value
		3199
1794	cf::object::player player	3200	cf::object::player
1795	cf::player peaceful	3201	player
1796	cf::map trigger	3202
		3203	cf::player
		3204	peaceful
		3205
		3206	cf::map
		3207	trigger
1797		3208
1798	=cut	3209	=cut
1799		3210
1800	for (	3211	for (
1801	["cf::object" => qw(contr pay_amount pay_player map)],	3212	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3213	insert remove inv nrof name archname title slaying race
		3214	decrease split destroy change_exp value msg lore send_msg)],
1802	["cf::object::player" => qw(player)],	3215	["cf::object::player" => qw(player)],
1803	["cf::player" => qw(peaceful)],	3216	["cf::player" => qw(peaceful send_msg)],
1804	["cf::map" => qw(trigger)],	3217	["cf::map" => qw(trigger)],
1805	) {	3218	) {
1806	no strict 'refs';	3219	no strict 'refs';
1807	my ($pkg, @funs) = @$_;	3220	my ($pkg, @funs) = @$_;
1808	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3221	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
1826		3239
1827	my $qcode = $code;	3240	my $qcode = $code;
1828	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3241	$qcode =~ s/"/‟/g; # not allowed in #line filenames
1829	$qcode =~ s/\n/\\n/g;	3242	$qcode =~ s/\n/\\n/g;
1830		3243
		3244	%vars = (_dummy => 0) unless %vars;
		3245
		3246	my @res;
1831	local $_;	3247	local $_;
1832	local @safe::cf::_safe_eval_args = values %vars;
1833		3248
1834	my $eval =	3249	my $eval =
1835	"do {\n"	3250	"do {\n"
1836	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3251	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
1837	. "#line 0 \"{$qcode}\"\n"	3252	. "#line 0 \"{$qcode}\"\n"
1838	. $code	3253	. $code
1839	. "\n}"	3254	. "\n}"
1840	;	3255	;
1841		3256
		3257	if ($CFG{safe_eval}) {
1842	sub_generation_inc;	3258	sub_generation_inc;
		3259	local @safe::cf::_safe_eval_args = values %vars;
1843	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3260	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
1844	sub_generation_inc;	3261	sub_generation_inc;
		3262	} else {
		3263	local @cf::_safe_eval_args = values %vars;
		3264	@res = wantarray ? eval eval : scalar eval $eval;
		3265	}
1845		3266
1846	if ($@) {	3267	if ($@) {
1847	warn "$@";	3268	warn "$@";
1848	warn "while executing safe code '$code'\n";	3269	warn "while executing safe code '$code'\n";
1849	warn "with arguments " . (join " ", %vars) . "\n";	3270	warn "with arguments " . (join " ", %vars) . "\n";
…		…
1868	=cut	3289	=cut
1869		3290
1870	sub register_script_function {	3291	sub register_script_function {
1871	my ($fun, $cb) = @_;	3292	my ($fun, $cb) = @_;
1872		3293
1873	no strict 'refs';	3294	$fun = "safe::$fun" if $CFG{safe_eval};
1874	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3295	*$fun = $safe_hole->wrap ($cb);
1875	}	3296	}
1876		3297
1877	=back	3298	=back
1878		3299
1879	=cut	3300	=cut
1880		3301
1881	#############################################################################	3302	#############################################################################
		3303	# the server's init and main functions
1882		3304
1883	=head2 EXTENSION DATABASE SUPPORT	3305	sub load_facedata($) {
		3306	my ($path) = @_;
1884		3307
1885	Crossfire maintains a very simple database for extension use. It can	3308	# HACK to clear player env face cache, we need some signal framework
1886	currently store anything that can be serialised using Storable, which	3309	# for this (global event?)
1887	excludes objects.	3310	%ext::player_env::MUSIC_FACE_CACHE = ();
1888		3311
1889	The parameter C<$family> should best start with the name of the extension	3312	my $enc = JSON::XS->new->utf8->canonical->relaxed;
1890	using it, it should be unique.
1891		3313
1892	=over 4	3314	warn "loading facedata from $path\n";
1893		3315
1894	=item $hashref = cf::db_get $family	3316	my $facedata;
		3317	0 < aio_load $path, $facedata
		3318	or die "$path: $!";
1895		3319
1896	Return a hashref for use by the extension C<$family>, which can be	3320	$facedata = Coro::Storable::thaw $facedata;
1897	modified. After modifications, you have to call C<cf::db_dirty> or
1898	C<cf::db_sync>.
1899		3321
1900	=item $value = cf::db_get $family => $key	3322	$facedata->{version} == 2
		3323	or cf::cleanup "$path: version mismatch, cannot proceed.";
1901		3324
1902	Returns a single value from the database	3325	# patch in the exptable
1903		3326	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
1904	=item cf::db_put $family => $hashref	3327	$facedata->{resource}{"res/exp_table"} = {
1905		3328	type => FT_RSRC,
1906	Stores the given family hashref into the database. Updates are delayed, if	3329	data => $exp_table,
1907	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3330	hash => (Digest::MD5::md5 $exp_table),
1908
1909	=item cf::db_put $family => $key => $value
1910
1911	Stores the given C<$value> in the family hash. Updates are delayed, if you
1912	want the data to be synced to disk immediately, use C<cf::db_sync>.
1913
1914	=item cf::db_dirty
1915
1916	Marks the database as dirty, to be updated at a later time.
1917
1918	=item cf::db_sync
1919
1920	Immediately write the database to disk I<if it is dirty>.
1921
1922	=cut
1923
1924	our $DB;
1925
1926	{
1927	my $path = cf::localdir . "/database.pst";
1928
1929	sub db_load() {
1930	$DB = stat $path ? Storable::retrieve $path : { };
1931	}
1932
1933	my $pid;
1934
1935	sub db_save() {
1936	waitpid $pid, 0 if $pid;
1937	if (0 == ($pid = fork)) {
1938	$DB->{_meta}{version} = 1;
1939	Storable::nstore $DB, "$path~";
1940	rename "$path~", $path;
1941	cf::_exit 0 if defined $pid;
1942	}
1943	}
1944
1945	my $dirty;
1946
1947	sub db_sync() {
1948	db_save if $dirty;
1949	undef $dirty;
1950	}
1951
1952	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1953	db_sync;
1954	});	3331	};
		3332	cf::cede_to_tick;
1955		3333
1956	sub db_dirty() {
1957	$dirty = 1;
1958	$idle->start;
1959	}	3334	{
		3335	my $faces = $facedata->{faceinfo};
1960		3336
1961	sub db_get($;$) {	3337	while (my ($face, $info) = each %$faces) {
1962	@_ >= 2	3338	my $idx = (cf::face::find $face) || cf::face::alloc $face;
1963	? $DB->{$_[0]}{$_[1]}
1964	: ($DB->{$_[0]} ||= { })
1965	}
1966		3339
1967	sub db_put($$;$) {	3340	cf::face::set_visibility $idx, $info->{visibility};
1968	if (@_ >= 3) {	3341	cf::face::set_magicmap $idx, $info->{magicmap};
1969	$DB->{$_[0]}{$_[1]} = $_[2];	3342	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
1970	} else {	3343	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
1971	$DB->{$_[0]} = $_[1];
1972	}
1973	db_dirty;
1974	}
1975		3344
1976	cf::global->attach (	3345	cf::cede_to_tick;
1977	prio => 10000,
1978	on_cleanup => sub {
1979	db_sync;
1980	},	3346	}
1981	);
1982	}
1983		3347
1984	#############################################################################	3348	while (my ($face, $info) = each %$faces) {
1985	# the server's main()	3349	next unless $info->{smooth};
1986		3350
1987	sub cfg_load {	3351	my $idx = cf::face::find $face
		3352	or next;
		3353
		3354	if (my $smooth = cf::face::find $info->{smooth}) {
		3355	cf::face::set_smooth $idx, $smooth;
		3356	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3357	} else {
		3358	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3359	}
		3360
		3361	cf::cede_to_tick;
		3362	}
		3363	}
		3364
		3365	{
		3366	my $anims = $facedata->{animinfo};
		3367
		3368	while (my ($anim, $info) = each %$anims) {
		3369	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3370	cf::cede_to_tick;
		3371	}
		3372
		3373	cf::anim::invalidate_all; # d'oh
		3374	}
		3375
		3376	{
		3377	my $res = $facedata->{resource};
		3378
		3379	while (my ($name, $info) = each %$res) {
		3380	if (defined $info->{type}) {
		3381	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3382
		3383	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3384	cf::face::set_type $idx, $info->{type};
		3385	} else {
		3386	$RESOURCE{$name} = $info;
		3387	}
		3388
		3389	cf::cede_to_tick;
		3390	}
		3391	}
		3392
		3393	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3394
		3395	1
		3396	}
		3397
		3398	cf::global->attach (on_resource_update => sub {
		3399	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3400	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3401
		3402	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3403	my $sound = $soundconf->{compat}[$_]
		3404	or next;
		3405
		3406	my $face = cf::face::find "sound/$sound->[1]";
		3407	cf::sound::set $sound->[0] => $face;
		3408	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3409	}
		3410
		3411	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3412	my $face = cf::face::find "sound/$v";
		3413	cf::sound::set $k => $face;
		3414	}
		3415	}
		3416	});
		3417
		3418	register_exticmd fx_want => sub {
		3419	my ($ns, $want) = @_;
		3420
		3421	while (my ($k, $v) = each %$want) {
		3422	$ns->fx_want ($k, $v);
		3423	}
		3424	};
		3425
		3426	sub load_resource_file($) {
		3427	my $guard = lock_acquire "load_resource_file";
		3428
		3429	my $status = load_resource_file_ $_[0];
		3430	get_slot 0.1, 100;
		3431	cf::arch::commit_load;
		3432
		3433	$status
		3434	}
		3435
		3436	sub reload_regions {
		3437	# HACK to clear player env face cache, we need some signal framework
		3438	# for this (global event?)
		3439	%ext::player_env::MUSIC_FACE_CACHE = ();
		3440
		3441	load_resource_file "$MAPDIR/regions"
		3442	or die "unable to load regions file\n";
		3443
		3444	for (cf::region::list) {
		3445	$_->{match} = qr/$_->{match}/
		3446	if exists $_->{match};
		3447	}
		3448	}
		3449
		3450	sub reload_facedata {
		3451	load_facedata "$DATADIR/facedata"
		3452	or die "unable to load facedata\n";
		3453	}
		3454
		3455	sub reload_archetypes {
		3456	load_resource_file "$DATADIR/archetypes"
		3457	or die "unable to load archetypes\n";
		3458	}
		3459
		3460	sub reload_treasures {
		3461	load_resource_file "$DATADIR/treasures"
		3462	or die "unable to load treasurelists\n";
		3463	}
		3464
		3465	sub reload_resources {
		3466	warn "reloading resource files...\n";
		3467
		3468	reload_facedata;
		3469	reload_archetypes;
		3470	reload_regions;
		3471	reload_treasures;
		3472
		3473	warn "finished reloading resource files\n";
		3474	}
		3475
		3476	sub reload_config {
		3477	warn "reloading config file...\n";
		3478
1988	open my $fh, "<:utf8", cf::confdir . "/config"	3479	open my $fh, "<:utf8", "$CONFDIR/config"
1989	or return;	3480	or return;
1990		3481
1991	local $/;	3482	local $/;
1992	*CFG = YAML::Syck::Load <$fh>;	3483	*CFG = YAML::XS::Load scalar <$fh>;
		3484
		3485	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		3486
		3487	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		3488	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		3489
		3490	if (exists $CFG{mlockall}) {
		3491	eval {
		3492	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		3493	and die "WARNING: m(un)lockall failed: $!\n";
		3494	};
		3495	warn $@ if $@;
		3496	}
		3497
		3498	warn "finished reloading resource files\n";
		3499	}
		3500
		3501	sub pidfile() {
		3502	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3503	or die "$PIDFILE: $!";
		3504	flock $fh, &Fcntl::LOCK_EX
		3505	or die "$PIDFILE: flock: $!";
		3506	$fh
		3507	}
		3508
		3509	# make sure only one server instance is running at any one time
		3510	sub atomic {
		3511	my $fh = pidfile;
		3512
		3513	my $pid = <$fh>;
		3514	kill 9, $pid if $pid > 0;
		3515
		3516	seek $fh, 0, 0;
		3517	print $fh $$;
		3518	}
		3519
		3520	sub main_loop {
		3521	warn "EV::loop starting\n";
		3522	if (1) {
		3523	EV::loop;
		3524	}
		3525	warn "EV::loop returned\n";
		3526	goto &main_loop unless $REALLY_UNLOOP;
1993	}	3527	}
1994		3528
1995	sub main {	3529	sub main {
		3530	cf::init_globals; # initialise logging
		3531
		3532	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3533	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3534	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3535	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3536
		3537	cf::init_experience;
		3538	cf::init_anim;
		3539	cf::init_attackmess;
		3540	cf::init_dynamic;
		3541
		3542	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3543
1996	# we must not ever block the main coroutine	3544	# we must not ever block the main coroutine
1997	local $Coro::idle = sub {	3545	local $Coro::idle = sub {
1998	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3546	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1999	(Coro::unblock_sub {	3547	(async {
2000	Event::one_event;	3548	$Coro::current->{desc} = "IDLE BUG HANDLER";
2001	})->();	3549	EV::loop EV::LOOP_ONESHOT;
		3550	})->prio (Coro::PRIO_MAX);
2002	};	3551	};
2003		3552
2004	cfg_load;	3553	evthread_start IO::AIO::poll_fileno;
2005	db_load;	3554
		3555	cf::sync_job {
		3556	cf::load_settings;
		3557	cf::load_materials;
		3558
		3559	reload_resources;
		3560	reload_config;
		3561	db_init;
		3562
		3563	cf::init_uuid;
		3564	cf::init_signals;
		3565	cf::init_skills;
		3566
		3567	cf::init_beforeplay;
		3568
		3569	atomic;
		3570
2006	load_extensions;	3571	load_extensions;
2007	Event::loop;	3572
		3573	utime time, time, $RUNTIMEFILE;
		3574
		3575	# no (long-running) fork's whatsoever before this point(!)
		3576	use POSIX ();
		3577	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3578
		3579	(pop @POST_INIT)->(0) while @POST_INIT;
		3580	};
		3581
		3582	main_loop;
2008	}	3583	}
2009		3584
2010	#############################################################################	3585	#############################################################################
2011	# initialisation	3586	# initialisation and cleanup
2012		3587
		3588	# install some emergency cleanup handlers
		3589	BEGIN {
		3590	our %SIGWATCHER = ();
		3591	for my $signal (qw(INT HUP TERM)) {
		3592	$SIGWATCHER{$signal} = AE::signal $signal, sub {
		3593	cf::cleanup "SIG$signal";
		3594	};
		3595	}
		3596	}
		3597
		3598	sub write_runtime_sync {
		3599	my $t0 = AE::time;
		3600
		3601	# first touch the runtime file to show we are still running:
		3602	# the fsync below can take a very very long time.
		3603
		3604	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3605
		3606	my $guard = cf::lock_acquire "write_runtime";
		3607
		3608	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3609	or return;
		3610
		3611	my $value = $cf::RUNTIME + 90 + 10;
		3612	# 10 is the runtime save interval, for a monotonic clock
		3613	# 60 allows for the watchdog to kill the server.
		3614
		3615	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3616	and return;
		3617
		3618	# always fsync - this file is important
		3619	aio_fsync $fh
		3620	and return;
		3621
		3622	# touch it again to show we are up-to-date
		3623	aio_utime $fh, undef, undef;
		3624
		3625	close $fh
		3626	or return;
		3627
		3628	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3629	and return;
		3630
		3631	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3632
		3633	1
		3634	}
		3635
		3636	our $uuid_lock;
		3637	our $uuid_skip;
		3638
		3639	sub write_uuid_sync($) {
		3640	$uuid_skip ||= $_[0];
		3641
		3642	return if $uuid_lock;
		3643	local $uuid_lock = 1;
		3644
		3645	my $uuid = "$LOCALDIR/uuid";
		3646
		3647	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3648	or return;
		3649
		3650	my $value = uuid_seq uuid_cur;
		3651
		3652	unless ($value) {
		3653	warn "cowardly refusing to write zero uuid value!\n";
		3654	return;
		3655	}
		3656
		3657	my $value = uuid_str $value + $uuid_skip;
		3658	$uuid_skip = 0;
		3659
		3660	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3661	and return;
		3662
		3663	# always fsync - this file is important
		3664	aio_fsync $fh
		3665	and return;
		3666
		3667	close $fh
		3668	or return;
		3669
		3670	aio_rename "$uuid~", $uuid
		3671	and return;
		3672
		3673	warn "uuid file written ($value).\n";
		3674
		3675	1
		3676
		3677	}
		3678
		3679	sub write_uuid($$) {
		3680	my ($skip, $sync) = @_;
		3681
		3682	$sync ? write_uuid_sync $skip
		3683	: async { write_uuid_sync $skip };
		3684	}
		3685
		3686	sub emergency_save() {
		3687	my $freeze_guard = cf::freeze_mainloop;
		3688
		3689	warn "emergency_perl_save: enter\n";
		3690
		3691	cf::sync_job {
		3692	# this is a trade-off: we want to be very quick here, so
		3693	# save all maps without fsync, and later call a global sync
		3694	# (which in turn might be very very slow)
		3695	local $USE_FSYNC = 0;
		3696
		3697	# use a peculiar iteration method to avoid tripping on perl
		3698	# refcount bugs in for. also avoids problems with players
		3699	# and maps saved/destroyed asynchronously.
		3700	warn "emergency_perl_save: begin player save\n";
		3701	for my $login (keys %cf::PLAYER) {
		3702	my $pl = $cf::PLAYER{$login} or next;
		3703	$pl->valid or next;
		3704	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
		3705	$pl->save;
		3706	}
		3707	warn "emergency_perl_save: end player save\n";
		3708
		3709	warn "emergency_perl_save: begin map save\n";
		3710	for my $path (keys %cf::MAP) {
		3711	my $map = $cf::MAP{$path} or next;
		3712	$map->valid or next;
		3713	$map->save;
		3714	}
		3715	warn "emergency_perl_save: end map save\n";
		3716
		3717	warn "emergency_perl_save: begin database checkpoint\n";
		3718	BDB::db_env_txn_checkpoint $DB_ENV;
		3719	warn "emergency_perl_save: end database checkpoint\n";
		3720
		3721	warn "emergency_perl_save: begin write uuid\n";
		3722	write_uuid_sync 1;
		3723	warn "emergency_perl_save: end write uuid\n";
		3724	};
		3725
		3726	warn "emergency_perl_save: starting sync()\n";
		3727	IO::AIO::aio_sync sub {
		3728	warn "emergency_perl_save: finished sync()\n";
		3729	};
		3730
		3731	warn "emergency_perl_save: leave\n";
		3732	}
		3733
		3734	sub post_cleanup {
		3735	my ($make_core) = @_;
		3736
		3737	warn Carp::longmess "post_cleanup backtrace"
		3738	if $make_core;
		3739
		3740	my $fh = pidfile;
		3741	unlink $PIDFILE if <$fh> == $$;
		3742	}
		3743
		3744	# a safer delete_package, copied from Symbol
		3745	sub clear_package($) {
		3746	my $pkg = shift;
		3747
		3748	# expand to full symbol table name if needed
		3749	unless ($pkg =~ /^main::.*::$/) {
		3750	$pkg = "main$pkg" if $pkg =~ /^::/;
		3751	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3752	$pkg .= '::' unless $pkg =~ /::$/;
		3753	}
		3754
		3755	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3756	my $stem_symtab = *{$stem}{HASH};
		3757
		3758	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3759	or return;
		3760
		3761	# clear all symbols
		3762	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3763	for my $name (keys %$leaf_symtab) {
		3764	_gv_clear *{"$pkg$name"};
		3765	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3766	}
		3767	warn "cleared package $pkg\n";#d#
		3768	}
		3769
2013	sub reload() {	3770	sub do_reload_perl() {
2014	# can/must only be called in main	3771	# can/must only be called in main
2015	if ($Coro::current != $Coro::main) {	3772	if ($Coro::current != $Coro::main) {
2016	warn "can only reload from main coroutine\n";	3773	warn "can only reload from main coroutine";
2017	return;	3774	return;
2018	}	3775	}
2019		3776
		3777	return if $RELOAD++;
		3778
		3779	my $t1 = AE::time;
		3780
		3781	while ($RELOAD) {
2020	warn "reloading...";	3782	warn "reloading...";
2021		3783
2022	local $FREEZE = 1;	3784	warn "entering sync_job";
		3785
		3786	cf::sync_job {
		3787	cf::write_runtime_sync; # external watchdog should not bark
2023	cf::emergency_save;	3788	cf::emergency_save;
		3789	cf::write_runtime_sync; # external watchdog should not bark
2024		3790
2025	eval {	3791	warn "syncing database to disk";
		3792	BDB::db_env_txn_checkpoint $DB_ENV;
		3793
2026	# if anything goes wrong in here, we should simply crash as we already saved	3794	# if anything goes wrong in here, we should simply crash as we already saved
2027		3795
2028	# cancel all watchers	3796	warn "flushing outstanding aio requests";
2029	for (Event::all_watchers) {	3797	while (IO::AIO::nreqs || BDB::nreqs) {
2030	$_->cancel if $_->data & WF_AUTOCANCEL;	3798	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2031	}
2032
2033	# cancel all extension coros
2034	$_->cancel for values %EXT_CORO;
2035	%EXT_CORO = ();
2036
2037	# unload all extensions
2038	for (@exts) {
2039	warn "unloading <$_>";
2040	unload_extension $_;
2041	}
2042
2043	# unload all modules loaded from $LIBDIR
2044	while (my ($k, $v) = each %INC) {
2045	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2046
2047	warn "removing <$k>";
2048	delete $INC{$k};
2049
2050	$k =~ s/\.pm$//;
2051	$k =~ s/\//::/g;
2052
2053	if (my $cb = $k->can ("unload_module")) {
2054	$cb->();
2055	}	3799	}
2056		3800
2057	Symbol::delete_package $k;	3801	warn "cancelling all extension coros";
		3802	$_->cancel for values %EXT_CORO;
		3803	%EXT_CORO = ();
		3804
		3805	warn "removing commands";
		3806	%COMMAND = ();
		3807
		3808	warn "removing ext/exti commands";
		3809	%EXTCMD = ();
		3810	%EXTICMD = ();
		3811
		3812	warn "unloading/nuking all extensions";
		3813	for my $pkg (@EXTS) {
		3814	warn "... unloading $pkg";
		3815
		3816	if (my $cb = $pkg->can ("unload")) {
		3817	eval {
		3818	$cb->($pkg);
		3819	1
		3820	} or warn "$pkg unloaded, but with errors: $@";
		3821	}
		3822
		3823	warn "... clearing $pkg";
		3824	clear_package $pkg;
2058	}	3825	}
2059		3826
2060	# sync database to disk	3827	warn "unloading all perl modules loaded from $LIBDIR";
2061	cf::db_sync;	3828	while (my ($k, $v) = each %INC) {
2062	IO::AIO::flush;	3829	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2063		3830
		3831	warn "... unloading $k";
		3832	delete $INC{$k};
		3833
		3834	$k =~ s/\.pm$//;
		3835	$k =~ s/\//::/g;
		3836
		3837	if (my $cb = $k->can ("unload_module")) {
		3838	$cb->();
		3839	}
		3840
		3841	clear_package $k;
		3842	}
		3843
2064	# get rid of safe::, as good as possible	3844	warn "getting rid of safe::, as good as possible";
2065	Symbol::delete_package "safe::$_"	3845	clear_package "safe::$_"
2066	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3846	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2067		3847
2068	# remove register_script_function callbacks	3848	warn "unloading cf.pm \"a bit\"";
2069	# TODO
2070
2071	# unload cf.pm "a bit"
2072	delete $INC{"cf.pm"};	3849	delete $INC{"cf.pm"};
		3850	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2073		3851
2074	# don't, removes xs symbols, too,	3852	# don't, removes xs symbols, too,
2075	# and global variables created in xs	3853	# and global variables created in xs
2076	#Symbol::delete_package __PACKAGE__;	3854	#clear_package __PACKAGE__;
2077		3855
2078	# reload cf.pm	3856	warn "unload completed, starting to reload now";
		3857
2079	warn "reloading cf.pm";	3858	warn "reloading cf.pm";
2080	require cf;	3859	require cf;
2081	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3860	cf::_connect_to_perl_1;
2082		3861
2083	# load config and database again	3862	warn "loading config and database again";
2084	cf::cfg_load;	3863	cf::reload_config;
2085	cf::db_load;
2086		3864
2087	# load extensions
2088	warn "load extensions";	3865	warn "loading extensions";
2089	cf::load_extensions;	3866	cf::load_extensions;
2090		3867
2091	# reattach attachments to objects	3868	if ($REATTACH_ON_RELOAD) {
		3869	warn "reattaching attachments to objects/players";
		3870	_global_reattach; # objects, sockets
		3871	warn "reattaching attachments to maps";
		3872	reattach $_ for values %MAP;
		3873	warn "reattaching attachments to players";
		3874	reattach $_ for values %PLAYER;
		3875	}
		3876
		3877	warn "running post_init jobs";
		3878	(pop @POST_INIT)->(1) while @POST_INIT;
		3879
		3880	warn "leaving sync_job";
		3881
		3882	1
		3883	} or do {
		3884	warn $@;
		3885	cf::cleanup "error while reloading, exiting.";
		3886	};
		3887
2092	warn "reattach";	3888	warn "reloaded";
2093	_global_reattach;	3889	--$RELOAD;
		3890	}
		3891
		3892	$t1 = AE::time - $t1;
		3893	warn "reload completed in ${t1}s\n";
		3894	};
		3895
		3896	our $RELOAD_WATCHER; # used only during reload
		3897
		3898	sub reload_perl() {
		3899	# doing reload synchronously and two reloads happen back-to-back,
		3900	# coro crashes during coro_state_free->destroy here.
		3901
		3902	$RELOAD_WATCHER ||= cf::async {
		3903	Coro::AIO::aio_wait cache_extensions;
		3904
		3905	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3906	do_reload_perl;
		3907	undef $RELOAD_WATCHER;
		3908	};
2094	};	3909	};
2095
2096	if ($@) {
2097	warn $@;
2098	warn "error while reloading, exiting.";
2099	exit 1;
2100	}
2101
2102	warn "reloaded successfully";
2103	};
2104
2105	#############################################################################
2106
2107	unless ($LINK_MAP) {
2108	$LINK_MAP = cf::map::new;
2109
2110	$LINK_MAP->width (41);
2111	$LINK_MAP->height (41);
2112	$LINK_MAP->alloc;
2113	$LINK_MAP->path ("{link}");
2114	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2115	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2116
2117	# dirty hack because... archetypes are not yet loaded
2118	Event->timer (
2119	after => 2,
2120	cb => sub {
2121	$_[0]->w->cancel;
2122
2123	# provide some exits "home"
2124	my $exit = cf::object::new "exit";
2125
2126	$exit->slaying ($EMERGENCY_POSITION->[0]);
2127	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2128	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2129
2130	$LINK_MAP->insert ($exit->clone, 19, 19);
2131	$LINK_MAP->insert ($exit->clone, 19, 20);
2132	$LINK_MAP->insert ($exit->clone, 19, 21);
2133	$LINK_MAP->insert ($exit->clone, 20, 19);
2134	$LINK_MAP->insert ($exit->clone, 20, 21);
2135	$LINK_MAP->insert ($exit->clone, 21, 19);
2136	$LINK_MAP->insert ($exit->clone, 21, 20);
2137	$LINK_MAP->insert ($exit->clone, 21, 21);
2138
2139	$exit->destroy;
2140	});
2141
2142	$LINK_MAP->{deny_save} = 1;
2143	$LINK_MAP->{deny_reset} = 1;
2144
2145	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2146	}	3910	}
2147
2148	register "<global>", __PACKAGE__;
2149		3911
2150	register_command "reload" => sub {	3912	register_command "reload" => sub {
2151	my ($who, $arg) = @_;	3913	my ($who, $arg) = @_;
2152		3914
2153	if ($who->flag (FLAG_WIZ)) {	3915	if ($who->flag (FLAG_WIZ)) {
2154	$who->message ("start of reload.");
2155	reload;
2156	$who->message ("end of reload.");	3916	$who->message ("reloading server.");
		3917	async {
		3918	$Coro::current->{desc} = "perl_reload";
		3919	reload_perl;
		3920	};
2157	}	3921	}
2158	};	3922	};
2159		3923
2160	unshift @INC, $LIBDIR;	3924	unshift @INC, $LIBDIR;
2161		3925
2162	$TICK_WATCHER = Event->timer (	3926	my $bug_warning = 0;
2163	reentrant => 0,	3927
2164	prio => 0,	3928	our @WAIT_FOR_TICK;
2165	at => $NEXT_TICK || $TICK,	3929	our @WAIT_FOR_TICK_BEGIN;
2166	data => WF_AUTOCANCEL,	3930
2167	cb => sub {	3931	sub wait_for_tick {
2168	unless ($FREEZE) {	3932	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3933
		3934	my $signal = new Coro::Signal;
		3935	push @WAIT_FOR_TICK, $signal;
		3936	$signal->wait;
		3937	}
		3938
		3939	sub wait_for_tick_begin {
		3940	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3941
		3942	my $signal = new Coro::Signal;
		3943	push @WAIT_FOR_TICK_BEGIN, $signal;
		3944	$signal->wait;
		3945	}
		3946
		3947	sub tick {
		3948	if ($Coro::current != $Coro::main) {
		3949	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3950	unless ++$bug_warning > 10;
		3951	return;
		3952	}
		3953
2169	cf::server_tick; # one server iteration	3954	cf::server_tick; # one server iteration
2170	$RUNTIME += $TICK;
2171	}
2172		3955
2173	$NEXT_TICK += $TICK;	3956	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2174		3957
2175	# if we are delayed by four ticks or more, skip them all	3958	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2176	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3959	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2177		3960	Coro::async_pool {
2178	$TICK_WATCHER->at ($NEXT_TICK);	3961	$Coro::current->{desc} = "runtime saver";
2179	$TICK_WATCHER->start;
2180	},
2181	);
2182
2183	IO::AIO::max_poll_time $TICK * 0.2;
2184
2185	Event->io (
2186	fd => IO::AIO::poll_fileno,
2187	poll => 'r',
2188	prio => 5,
2189	data => WF_AUTOCANCEL,
2190	cb => \&IO::AIO::poll_cb,
2191	);
2192
2193	Event->timer (
2194	data => WF_AUTOCANCEL,
2195	after => 0,
2196	interval => 10,
2197	cb => sub {
2198	(Coro::unblock_sub {
2199	write_runtime	3962	write_runtime_sync
2200	or warn "ERROR: unable to write runtime file: $!";	3963	or warn "ERROR: unable to write runtime file: $!";
2201	})->();	3964	};
2202	},	3965	}
2203	);	3966
		3967	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3968	$sig->send;
		3969	}
		3970	while (my $sig = shift @WAIT_FOR_TICK) {
		3971	$sig->send;
		3972	}
		3973
		3974	$LOAD = ($NOW - $TICK_START) / $TICK;
		3975	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3976
		3977	if (0) {
		3978	if ($NEXT_TICK) {
		3979	my $jitter = $TICK_START - $NEXT_TICK;
		3980	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3981	warn "jitter $JITTER\n";#d#
		3982	}
		3983	}
		3984	}
		3985
		3986	{
		3987	# configure BDB
		3988
		3989	BDB::min_parallel 16;
		3990	BDB::max_poll_reqs $TICK * 0.1;
		3991	$AnyEvent::BDB::WATCHER->priority (1);
		3992
		3993	unless ($DB_ENV) {
		3994	$DB_ENV = BDB::db_env_create;
		3995	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3996	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3997	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3998	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3999	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4000
		4001	cf::sync_job {
		4002	eval {
		4003	BDB::db_env_open
		4004	$DB_ENV,
		4005	$BDBDIR,
		4006	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4007	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4008	0666;
		4009
		4010	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4011	};
		4012
		4013	cf::cleanup "db_env_open(db): $@" if $@;
		4014	};
		4015	}
		4016
		4017	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4018	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4019	};
		4020	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4021	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4022	};
		4023	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4024	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4025	};
		4026	}
		4027
		4028	{
		4029	# configure IO::AIO
		4030
		4031	IO::AIO::min_parallel 8;
		4032	IO::AIO::max_poll_time $TICK * 0.1;
		4033	undef $AnyEvent::AIO::WATCHER;
		4034	}
		4035
		4036	my $_log_backtrace;
		4037
		4038	sub _log_backtrace {
		4039	my ($msg, @addr) = @_;
		4040
		4041	$msg =~ s/\n//;
		4042
		4043	# limit the # of concurrent backtraces
		4044	if ($_log_backtrace < 2) {
		4045	++$_log_backtrace;
		4046	my $perl_bt = Carp::longmess $msg;
		4047	async {
		4048	$Coro::current->{desc} = "abt $msg";
		4049
		4050	my @bt = fork_call {
		4051	@addr = map { sprintf "%x", $_ } @addr;
		4052	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4053	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4054	or die "addr2line: $!";
		4055
		4056	my @funcs;
		4057	my @res = <$fh>;
		4058	chomp for @res;
		4059	while (@res) {
		4060	my ($func, $line) = splice @res, 0, 2, ();
		4061	push @funcs, "[$func] $line";
		4062	}
		4063
		4064	@funcs
		4065	};
		4066
		4067	LOG llevInfo, "[ABT] $perl_bt\n";
		4068	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4069	LOG llevInfo, "[ABT] $_\n" for @bt;
		4070	--$_log_backtrace;
		4071	};
		4072	} else {
		4073	LOG llevInfo, "[ABT] $msg\n";
		4074	LOG llevInfo, "[ABT] [suppressed]\n";
		4075	}
		4076	}
		4077
		4078	# load additional modules
		4079	require "cf/$_.pm" for @EXTRA_MODULES;
		4080	cf::_connect_to_perl_2;
2204		4081
2205	END { cf::emergency_save }	4082	END { cf::emergency_save }
2206		4083
2207	1	4084	1
2208		4085

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