ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.154 by root, Tue Jan 9 15:36:19 2007 UTC vs.
Revision 1.494 by root, Mon Oct 26 05:18:00 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify 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
		55	use JSON::XS 2.01 ();
		56	use BDB ();
20	use Data::Dumper;	57	use Data::Dumper;
21	use Digest::MD5;	58	use Digest::MD5;
22	use Fcntl;	59	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	60	use YAML::XS ();
		61	use IO::AIO ();
25	use Time::HiRes;	62	use Time::HiRes;
		63	use Compress::LZF;
		64	use Digest::MD5 ();
26		65
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	66	AnyEvent::detect;
28		67
29	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	68	# configure various modules to our taste
30	$YAML::Syck::ImplicitUnicode = 1;	69	#
		70	$Storable::canonical = 1; # reduce rsync transfers
		71	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
31		72
32	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	73	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		74
		75	# make sure c-lzf reinitialises itself
		76	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		77	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		78
		79	# strictly for debugging
		80	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
33		81
34	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	82	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
35		83
36	our %COMMAND = ();	84	our %COMMAND = ();
37	our %COMMAND_TIME = ();	85	our %COMMAND_TIME = ();
		86
		87	our @EXTS = (); # list of extension package names
38	our %EXTCMD = ();	88	our %EXTCMD = ();
		89	our %EXTICMD = ();
		90	our %EXT_CORO = (); # coroutines bound to extensions
		91	our %EXT_MAP = (); # pluggable maps
39		92
		93	our $RELOAD; # number of reloads so far, non-zero while in reload
40	our @EVENT;	94	our @EVENT;
41	our $LIBDIR = datadir . "/ext";	95	our @REFLECT; # set by XS
		96	our %REFLECT; # set by us
42		97
43	our $TICK = MAX_TIME * 1e-6;	98	our $CONFDIR = confdir;
44	our $TICK_WATCHER;	99	our $DATADIR = datadir;
		100	our $LIBDIR = "$DATADIR/ext";
		101	our $PODDIR = "$DATADIR/pod";
		102	our $MAPDIR = "$DATADIR/" . mapdir;
		103	our $LOCALDIR = localdir;
		104	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		105	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		106	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		107	our $RANDOMDIR = "$LOCALDIR/random";
		108	our $BDBDIR = "$LOCALDIR/db";
		109	our $PIDFILE = "$LOCALDIR/pid";
		110	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		111
		112	our %RESOURCE;
		113
		114	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		115	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45	our $NEXT_TICK;	116	our $NEXT_TICK;
46	our $NOW;	117	our $USE_FSYNC = 1; # use fsync to write maps - default on
		118
		119	our $BDB_DEADLOCK_WATCHER;
		120	our $BDB_CHECKPOINT_WATCHER;
		121	our $BDB_TRICKLE_WATCHER;
		122	our $DB_ENV;
		123
		124	our @EXTRA_MODULES = qw(pod match mapscript);
47		125
48	our %CFG;	126	our %CFG;
49		127
50	our $UPTIME; $UPTIME ||= time;	128	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	129	our $RUNTIME;
		130	our $NOW;
52		131
53	our %PLAYER; # all users	132	our (%PLAYER, %PLAYER_LOADING); # all users
54	our %MAP; # all maps	133	our (%MAP, %MAP_LOADING ); # all maps
55	our $LINK_MAP; # the special {link} map	134	our $LINK_MAP; # the special {link} map, which is always available
56	our $RANDOM_MAPS = cf::localdir . "/random";	135
57	our %EXT_CORO; # coroutines bound to extensions	136	# used to convert map paths into valid unix filenames by replacing / by ∕
		137	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		138
		139	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		140	our $LOADAVG; # same thing, but with alpha-smoothing
		141	our $JITTER; # average jitter
		142	our $TICK_START; # for load detecting purposes
		143
		144	our @POST_INIT;
		145
		146	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		147	our $REALLY_UNLOOP; # never set to true, please :)
58		148
59	binmode STDOUT;	149	binmode STDOUT;
60	binmode STDERR;	150	binmode STDERR;
61		151
62	# read virtual server time, if available	152	# read virtual server time, if available
63	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	153	unless ($RUNTIME || !-e $RUNTIMEFILE) {
64	open my $fh, "<", cf::localdir . "/runtime"	154	open my $fh, "<", $RUNTIMEFILE
65	or die "unable to read runtime file: $!";	155	or die "unable to read $RUNTIMEFILE file: $!";
66	$RUNTIME = <$fh> + 0.;	156	$RUNTIME = <$fh> + 0.;
67	}	157	}
68		158
69	mkdir cf::localdir;	159	eval "sub TICK() { $TICK } 1" or die;
70	mkdir cf::localdir . "/" . cf::playerdir;
71	mkdir cf::localdir . "/" . cf::tmpdir;
72	mkdir cf::localdir . "/" . cf::uniquedir;
73	mkdir $RANDOM_MAPS;
74		160
75	# a special map that is always available	161	mkdir $_
76	our $LINK_MAP;	162	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
		163
77	our $EMERGENCY_POSITION;	164	our $EMERGENCY_POSITION;
		165
		166	sub cf::map::normalise;
		167
		168	#############################################################################
		169
		170	%REFLECT = ();
		171	for (@REFLECT) {
		172	my $reflect = JSON::XS::decode_json $_;
		173	$REFLECT{$reflect->{class}} = $reflect;
		174	}
		175
		176	# this is decidedly evil
		177	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
78		178
79	#############################################################################	179	#############################################################################
80		180
81	=head2 GLOBAL VARIABLES	181	=head2 GLOBAL VARIABLES
82		182
…		…
89	=item $cf::RUNTIME	189	=item $cf::RUNTIME
90		190
91	The time this server has run, starts at 0 and is increased by $cf::TICK on	191	The time this server has run, starts at 0 and is increased by $cf::TICK on
92	every server tick.	192	every server tick.
93		193
94	=item $cf::LIBDIR	194	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		195	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		196	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
95		197
96	The perl library directory, where extensions and cf-specific modules can	198	Various directories - "/etc", read-only install directory, perl-library
97	be found. It will be added to C<@INC> automatically.	199	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		200	unique-items directory, player file directory, random maps directory and
		201	database environment.
98		202
99	=item $cf::NOW	203	=item $cf::NOW
100		204
101	The time of the last (current) server tick.	205	The time of the last (current) server tick.
102		206
103	=item $cf::TICK	207	=item $cf::TICK
104		208
105	The interval between server ticks, in seconds.	209	The interval between server ticks, in seconds.
106		210
		211	=item $cf::LOADAVG
		212
		213	The current CPU load on the server (alpha-smoothed), as a value between 0
		214	(none) and 1 (overloaded), indicating how much time is spent on processing
		215	objects per tick. Healthy values are < 0.5.
		216
		217	=item $cf::LOAD
		218
		219	The raw value load value from the last tick.
		220
107	=item %cf::CFG	221	=item %cf::CFG
108		222
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	223	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
110	from wherever your confdir points to.	224	from wherever your confdir points to.
111		225
		226	=item cf::wait_for_tick, cf::wait_for_tick_begin
		227
		228	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		229	returns directly I<after> the tick processing (and consequently, can only wake one process
		230	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
		231
		232	=item @cf::INVOKE_RESULTS
		233
		234	This array contains the results of the last C<invoke ()> call. When
		235	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		236	that call.
		237
		238	=item %cf::REFLECT
		239
		240	Contains, for each (C++) class name, a hash reference with information
		241	about object members (methods, scalars, arrays and flags) and other
		242	metadata, which is useful for introspection.
		243
112	=back	244	=back
113		245
114	=cut	246	=cut
115		247
116	BEGIN {	248	$Coro::State::WARNHOOK = sub {
117	*CORE::GLOBAL::warn = sub {
118	my $msg = join "", @_;	249	my $msg = join "", @_;
119	utf8::encode $msg;
120		250
121	$msg .= "\n"	251	$msg .= "\n"
122	unless $msg =~ /\n$/;	252	unless $msg =~ /\n$/;
123		253
		254	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		255
124	LOG llevError, $msg;	256	LOG llevError, $msg;
125	};	257	};
126	}	258
		259	$Coro::State::DIEHOOK = sub {
		260	return unless $^S eq 0; # "eq", not "=="
		261
		262	warn Carp::longmess $_[0];
		263
		264	if ($Coro::current == $Coro::main) {#d#
		265	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		266	return;#d#
		267	}#d#
		268
		269	# kill coroutine otherwise
		270	Coro::terminate
		271	};
127		272
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	273	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	274	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
130	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	275	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
131	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	276	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
132	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	277	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		278	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
133	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	279	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
134		280
135	# we bless all objects into (empty) derived classes to force a method lookup	281	# we bless all objects into (empty) derived classes to force a method lookup
136	# within the Safe compartment.	282	# within the Safe compartment.
137	for my $pkg (qw(	283	for my $pkg (qw(
138	cf::global cf::attachable	284	cf::global cf::attachable
139	cf::object cf::object::player	285	cf::object cf::object::player
140	cf::client cf::player	286	cf::client cf::player
141	cf::arch cf::living	287	cf::arch cf::living
		288	cf::map cf::mapspace
142	cf::map cf::party cf::region	289	cf::party cf::region
143	)) {	290	)) {
144	no strict 'refs';
145	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	291	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
146	}	292	}
147		293
148	$Event::DIED = sub {	294	$EV::DIED = sub {
149	warn "error in event callback: @_";	295	Carp::cluck "error in event callback: @_";
150	};	296	};
151		297
152	my %ext_pkg;	298	#############################################################################
153	my @exts;
154	my @hook;
155		299
156	=head2 UTILITY FUNCTIONS	300	=head2 UTILITY FUNCTIONS
157		301
158	=over 4	302	=over 4
159		303
…		…
178	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	322	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
179	$d	323	$d
180	} || "[unable to dump $_[0]: '$@']";	324	} || "[unable to dump $_[0]: '$@']";
181	}	325	}
182		326
183	use JSON::Syck (); # TODO# replace by JSON::PC once working
184
185	=item $ref = cf::from_json $json	327	=item $ref = cf::decode_json $json
186		328
187	Converts a JSON string into the corresponding perl data structure.	329	Converts a JSON string into the corresponding perl data structure.
188		330
189	=cut
190
191	sub from_json($) {
192	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
193	JSON::Syck::Load $_[0]
194	}
195
196	=item $json = cf::to_json $ref	331	=item $json = cf::encode_json $ref
197		332
198	Converts a perl data structure into its JSON representation.	333	Converts a perl data structure into its JSON representation.
199		334
200	=cut	335	=cut
201		336
202	sub to_json($) {	337	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
203	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	338
204	JSON::Syck::Dump $_[0]	339	sub encode_json($) { $json_coder->encode ($_[0]) }
		340	sub decode_json($) { $json_coder->decode ($_[0]) }
		341
		342	=item cf::post_init { BLOCK }
		343
		344	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		345	but I<before> the server starts ticking again.
		346
		347	The cdoeblock will have a single boolean argument to indicate whether this
		348	is a reload or not.
		349
		350	=cut
		351
		352	sub post_init(&) {
		353	push @POST_INIT, shift;
205	}	354	}
206		355
207	=item cf::lock_wait $string	356	=item cf::lock_wait $string
208		357
209	Wait until the given lock is available. See cf::lock_acquire.	358	Wait until the given lock is available. See cf::lock_acquire.
210		359
211	=item my $lock = cf::lock_acquire $string	360	=item my $lock = cf::lock_acquire $string
212		361
213	Wait until the given lock is available and then acquires it and returns	362	Wait until the given lock is available and then acquires it and returns
214	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	363	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
215	for example when the coroutine gets canceled), the lock is automatically	364	for example when the coroutine gets canceled), the lock is automatically
216	returned.	365	returned.
217		366
		367	Locks are *not* recursive, locking from the same coro twice results in a
		368	deadlocked coro.
		369
218	Lock names should begin with a unique identifier (for example, cf::map::find	370	Lock names should begin with a unique identifier (for example, cf::map::find
219	uses map_find and cf::map::load uses map_load).	371	uses map_find and cf::map::load uses map_load).
220		372
221	=cut	373	=item $locked = cf::lock_active $string
222		374
223	our %LOCK;	375	Return true if the lock is currently active, i.e. somebody has locked it.
		376
		377	=cut
		378
		379	our $LOCKS = new Coro::SemaphoreSet;
224		380
225	sub lock_wait($) {	381	sub lock_wait($) {
226	my ($key) = @_;	382	$LOCKS->wait ($_[0]);
227
228	# wait for lock, if any
229	while ($LOCK{$key}) {
230	push @{ $LOCK{$key} }, $Coro::current;
231	Coro::schedule;
232	}
233	}	383	}
234		384
235	sub lock_acquire($) {	385	sub lock_acquire($) {
236	my ($key) = @_;	386	$LOCKS->guard ($_[0])
		387	}
237		388
238	# wait, to be sure we are not locked	389	sub lock_active($) {
239	lock_wait $key;	390	$LOCKS->count ($_[0]) < 1
240
241	$LOCK{$key} = [];
242
243	Coro::guard {
244	# wake up all waiters, to be on the safe side
245	$_->ready for @{ delete $LOCK{$key} };
246	}
247	}	391	}
248		392
249	sub freeze_mainloop {	393	sub freeze_mainloop {
250	return unless $TICK_WATCHER->is_active;	394	tick_inhibit_inc;
251		395
252	my $guard = Coro::guard { $TICK_WATCHER->start };	396	&Guard::guard (\&tick_inhibit_dec);
253	$TICK_WATCHER->stop;	397	}
254	$guard	398
		399	=item cf::periodic $interval, $cb
		400
		401	Like EV::periodic, but randomly selects a starting point so that the actions
		402	get spread over timer.
		403
		404	=cut
		405
		406	sub periodic($$) {
		407	my ($interval, $cb) = @_;
		408
		409	my $start = rand List::Util::min 180, $interval;
		410
		411	EV::periodic $start, $interval, 0, $cb
		412	}
		413
		414	=item cf::get_slot $time[, $priority[, $name]]
		415
		416	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		417	This call blocks and returns only when you have at least C<$time> seconds
		418	of cpu time till the next tick. The slot is only valid till the next cede.
		419
		420	The optional C<$name> can be used to identify the job to run. It might be
		421	used for statistical purposes and should identify the same time-class.
		422
		423	Useful for short background jobs.
		424
		425	=cut
		426
		427	our @SLOT_QUEUE;
		428	our $SLOT_QUEUE;
		429
		430	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		431	$SLOT_QUEUE = Coro::async {
		432	$Coro::current->desc ("timeslot manager");
		433
		434	my $signal = new Coro::Signal;
		435
		436	while () {
		437	next_job:
		438	my $avail = cf::till_tick;
		439	if ($avail > 0.01) {
		440	for (0 .. $#SLOT_QUEUE) {
		441	if ($SLOT_QUEUE[$_][0] < $avail) {
		442	my $job = splice @SLOT_QUEUE, $_, 1, ();
		443	$job->[2]->send;
		444	Coro::cede;
		445	goto next_job;
		446	}
		447	}
		448	}
		449
		450	if (@SLOT_QUEUE) {
		451	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		452	push @cf::WAIT_FOR_TICK, $signal;
		453	$signal->wait;
		454	} else {
		455	Coro::schedule;
		456	}
		457	}
		458	};
		459
		460	sub get_slot($;$$) {
		461	return if tick_inhibit || $Coro::current == $Coro::main;
		462
		463	my ($time, $pri, $name) = @_;
		464
		465	$time = $TICK * .6 if $time > $TICK * .6;
		466	my $sig = new Coro::Signal;
		467
		468	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		469	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		470	$SLOT_QUEUE->ready;
		471	$sig->wait;
255	}	472	}
256		473
257	=item cf::async { BLOCK }	474	=item cf::async { BLOCK }
258		475
259	Currently the same as Coro::async_pool, meaning you cannot use	476	Currently the same as Coro::async_pool, meaning you cannot use
…		…
264		481
265	BEGIN { *async = \&Coro::async_pool }	482	BEGIN { *async = \&Coro::async_pool }
266		483
267	=item cf::sync_job { BLOCK }	484	=item cf::sync_job { BLOCK }
268		485
269	The design of crossfire+ requires that the main coro ($Coro::main) is	486	The design of Deliantra requires that the main coroutine ($Coro::main)
270	always able to handle events or runnable, as crossfire+ is only partly	487	is always able to handle events or runnable, as Deliantra is only
271	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	488	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		489	acceptable.
272		490
273	If it must be done, put the blocking parts into C<sync_job>. This will run	491	If it must be done, put the blocking parts into C<sync_job>. This will run
274	the given BLOCK in another coroutine while waiting for the result. The	492	the given BLOCK in another coroutine while waiting for the result. The
275	server will be frozen during this time, so the block should either finish	493	server will be frozen during this time, so the block should either finish
276	fast or be very important.	494	fast or be very important.
…		…
279		497
280	sub sync_job(&) {	498	sub sync_job(&) {
281	my ($job) = @_;	499	my ($job) = @_;
282		500
283	if ($Coro::current == $Coro::main) {	501	if ($Coro::current == $Coro::main) {
		502	my $time = EV::time;
		503
284	# this is the main coro, too bad, we have to block	504	# this is the main coro, too bad, we have to block
285	# till the operation succeeds, freezing the server :/	505	# till the operation succeeds, freezing the server :/
286		506
287	# TODO: use suspend/resume instead	507	LOG llevError, Carp::longmess "sync job";#d#
288	# (but this is cancel-safe)	508
289	my $freeze_guard = freeze_mainloop;	509	my $freeze_guard = freeze_mainloop;
290		510
291	my $busy = 1;	511	my $busy = 1;
292	my @res;	512	my @res;
293		513
294	(async {	514	(async {
		515	$Coro::current->desc ("sync job coro");
295	@res = eval { $job->() };	516	@res = eval { $job->() };
296	warn $@ if $@;	517	warn $@ if $@;
297	undef $busy;	518	undef $busy;
298	})->prio (Coro::PRIO_MAX);	519	})->prio (Coro::PRIO_MAX);
299		520
300	while ($busy) {	521	while ($busy) {
301	Coro::cede or Event::one_event;	522	if (Coro::nready) {
		523	Coro::cede_notself;
		524	} else {
		525	EV::loop EV::LOOP_ONESHOT;
302	}	526	}
		527	}
		528
		529	my $time = EV::time - $time;
		530
		531	$TICK_START += $time; # do not account sync jobs to server load
303		532
304	wantarray ? @res : $res[0]	533	wantarray ? @res : $res[0]
305	} else {	534	} else {
306	# we are in another coroutine, how wonderful, everything just works	535	# we are in another coroutine, how wonderful, everything just works
307		536
…		…
309	}	538	}
310	}	539	}
311		540
312	=item $coro = cf::async_ext { BLOCK }	541	=item $coro = cf::async_ext { BLOCK }
313		542
314	Like async, but this coro is automcatially being canceled when the	543	Like async, but this coro is automatically being canceled when the
315	extension calling this is being unloaded.	544	extension calling this is being unloaded.
316		545
317	=cut	546	=cut
318		547
319	sub async_ext(&) {	548	sub async_ext(&) {
…		…
327	$EXT_CORO{$coro+0} = $coro;	556	$EXT_CORO{$coro+0} = $coro;
328		557
329	$coro	558	$coro
330	}	559	}
331		560
332	sub write_runtime {	561	=item fork_call { }, $args
333	my $runtime = cf::localdir . "/runtime";
334		562
335	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	563	Executes the given code block with the given arguments in a seperate
336	or return;	564	process, returning the results. Everything must be serialisable with
		565	Coro::Storable. May, of course, block. Note that the executed sub may
		566	never block itself or use any form of event handling.
337		567
338	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	568	=cut
339	(aio_write $fh, 0, (length $value), $value, 0) <= 0
340	and return;
341		569
342	aio_fsync $fh	570	sub fork_call(&@) {
343	and return;	571	my ($cb, @args) = @_;
344		572
345	close $fh	573	# we seemingly have to make a local copy of the whole thing,
346	or return;	574	# otherwise perl prematurely frees the stuff :/
		575	# TODO: investigate and fix (likely this will be rather laborious)
347		576
348	aio_rename "$runtime~", $runtime	577	my @res = Coro::Util::fork_eval {
349	and return;	578	reset_signals;
		579	&$cb
		580	}, @args;
350		581
		582	wantarray ? @res : $res[-1]
		583	}
		584
		585	=item $coin = coin_from_name $name
		586
		587	=cut
		588
		589	our %coin_alias = (
		590	"silver" => "silvercoin",
		591	"silvercoin" => "silvercoin",
		592	"silvercoins" => "silvercoin",
		593	"gold" => "goldcoin",
		594	"goldcoin" => "goldcoin",
		595	"goldcoins" => "goldcoin",
		596	"platinum" => "platinacoin",
		597	"platinumcoin" => "platinacoin",
		598	"platinumcoins" => "platinacoin",
		599	"platina" => "platinacoin",
		600	"platinacoin" => "platinacoin",
		601	"platinacoins" => "platinacoin",
		602	"royalty" => "royalty",
		603	"royalties" => "royalty",
		604	);
		605
		606	sub coin_from_name($) {
		607	$coin_alias{$_[0]}
		608	? cf::arch::find $coin_alias{$_[0]}
		609	: undef
		610	}
		611
		612	=item $value = cf::db_get $family => $key
		613
		614	Returns a single value from the environment database.
		615
		616	=item cf::db_put $family => $key => $value
		617
		618	Stores the given C<$value> in the family. It can currently store binary
		619	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		620
		621	=item $db = cf::db_table "name"
		622
		623	Create and/or open a new database table. The string must not be "db" and must be unique
		624	within each server.
		625
		626	=cut
		627
		628	sub db_table($) {
		629	my ($name) = @_;
		630	my $db = BDB::db_create $DB_ENV;
		631
		632	eval {
		633	$db->set_flags (BDB::CHKSUM);
		634
		635	utf8::encode $name;
		636	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		637	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		638	cf::cleanup "db_open(db): $!" if $!;
		639	};
		640	cf::cleanup "db_open(db): $@" if $@;
		641
		642	$db
		643	}
		644
		645	our $DB;
		646
		647	sub db_init {
		648	cf::sync_job {
		649	$DB ||= db_table "db";
		650	};
		651	}
		652
		653	sub db_get($$) {
		654	my $key = "$_[0]/$_[1]";
		655
		656	cf::sync_job {
		657	BDB::db_get $DB, undef, $key, my $data;
		658
		659	$! ? ()
		660	: $data
351	1	661	}
		662	}
		663
		664	sub db_put($$$) {
		665	BDB::dbreq_pri 4;
		666	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		667	}
		668
		669	=item cf::cache $id => [$paths...], $processversion => $process
		670
		671	Generic caching function that returns the value of the resource $id,
		672	caching and regenerating as required.
		673
		674	This function can block.
		675
		676	=cut
		677
		678	sub cache {
		679	my ($id, $src, $processversion, $process) = @_;
		680
		681	my $meta =
		682	join "\x00",
		683	$processversion,
		684	map {
		685	aio_stat $_
		686	and Carp::croak "$_: $!";
		687
		688	($_, (stat _)[7,9])
		689	} @$src;
		690
		691	my $dbmeta = db_get cache => "$id/meta";
		692	if ($dbmeta ne $meta) {
		693	# changed, we may need to process
		694
		695	my @data;
		696	my $md5;
		697
		698	for (0 .. $#$src) {
		699	0 <= aio_load $src->[$_], $data[$_]
		700	or Carp::croak "$src->[$_]: $!";
		701	}
		702
		703	# if processing is expensive, check
		704	# checksum first
		705	if (1) {
		706	$md5 =
		707	join "\x00",
		708	$processversion,
		709	map {
		710	cf::cede_to_tick;
		711	($src->[$_], Digest::MD5::md5_hex $data[$_])
		712	} 0.. $#$src;
		713
		714
		715	my $dbmd5 = db_get cache => "$id/md5";
		716	if ($dbmd5 eq $md5) {
		717	db_put cache => "$id/meta", $meta;
		718
		719	return db_get cache => "$id/data";
		720	}
		721	}
		722
		723	my $t1 = Time::HiRes::time;
		724	my $data = $process->(\@data);
		725	my $t2 = Time::HiRes::time;
		726
		727	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		728
		729	db_put cache => "$id/data", $data;
		730	db_put cache => "$id/md5" , $md5;
		731	db_put cache => "$id/meta", $meta;
		732
		733	return $data;
		734	}
		735
		736	db_get cache => "$id/data"
		737	}
		738
		739	=item cf::datalog type => key => value, ...
		740
		741	Log a datalog packet of the given type with the given key-value pairs.
		742
		743	=cut
		744
		745	sub datalog($@) {
		746	my ($type, %kv) = @_;
		747	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
352	}	748	}
353		749
354	=back	750	=back
355		751
356	=cut	752	=cut
357		753
358	#############################################################################	754	#############################################################################
359		755
360	package cf::path;
361
362	# used to convert map paths into valid unix filenames by repalcing / by ∕
363	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
364
365	sub new {
366	my ($class, $path, $base) = @_;
367
368	$path = $path->as_string if ref $path;
369
370	my $self = bless { }, $class;
371
372	# {... are special paths that are not touched
373	# ?xxx/... are special absolute paths
374	# ?random/... random maps
375	# /! non-realised random map exit
376	# /... normal maps
377	# ~/... per-player maps without a specific player (DO NOT USE)
378	# ~user/... per-player map of a specific user
379
380	if ($path =~ /^{/) {
381	# fine as it is
382	} elsif ($path =~ s{^\?random/}{}) {
383	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
384	$self->{random} = cf::from_json $data;
385	} else {
386	if ($path =~ s{^~([^/]+)?}{}) {
387	$self->{user_rel} = 1;
388
389	if (defined $1) {
390	$self->{user} = $1;
391	} elsif ($base =~ m{^~([^/]+)/}) {
392	$self->{user} = $1;
393	} else {
394	warn "cannot resolve user-relative path without user <$path,$base>\n";
395	}
396	} elsif ($path =~ /^\//) {
397	# already absolute
398	} else {
399	$base =~ s{[^/]+/?$}{};
400	return $class->new ("$base/$path");
401	}
402
403	for ($path) {
404	redo if s{/\.?/}{/};
405	redo if s{/[^/]+/\.\./}{/};
406	}
407	}
408
409	$self->{path} = $path;
410
411	$self
412	}
413
414	# the name / primary key / in-game path
415	sub as_string {
416	my ($self) = @_;
417
418	$self->{user_rel} ? "~$self->{user}$self->{path}"
419	: $self->{random} ? "?random/$self->{path}"
420	: $self->{path}
421	}
422
423	# the displayed name, this is a one way mapping
424	sub visible_name {
425	my ($self) = @_;
426
427	# if (my $rmp = $self->{random}) {
428	# # todo: be more intelligent about this
429	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
430	# } else {
431	$self->as_string
432	# }
433	}
434
435	# escape the /'s in the path
436	sub _escaped_path {
437	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
438	$path
439	}
440
441	# the original (read-only) location
442	sub load_path {
443	my ($self) = @_;
444
445	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
446	}
447
448	# the temporary/swap location
449	sub save_path {
450	my ($self) = @_;
451
452	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
453	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
454	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
455	}
456
457	# the unique path, might be eq to save_path
458	sub uniq_path {
459	my ($self) = @_;
460
461	$self->{user_rel} || $self->{random}
462	? undef
463	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
464	}
465
466	# return random map parameters, or undef
467	sub random_map_params {
468	my ($self) = @_;
469
470	$self->{random}
471	}
472
473	# this is somewhat ugly, but style maps do need special treatment
474	sub is_style_map {
475	$_[0]{path} =~ m{^/styles/}
476	}
477
478	package cf;
479
480	#############################################################################
481
482	=head2 ATTACHABLE OBJECTS	756	=head2 ATTACHABLE OBJECTS
483		757
484	Many objects in crossfire are so-called attachable objects. That means you can	758	Many objects in deliantra are so-called attachable objects. That means you can
485	attach callbacks/event handlers (a collection of which is called an "attachment")	759	attach callbacks/event handlers (a collection of which is called an "attachment")
486	to it. All such attachable objects support the following methods.	760	to it. All such attachable objects support the following methods.
487		761
488	In the following description, CLASS can be any of C<global>, C<object>	762	In the following description, CLASS can be any of C<global>, C<object>
489	C<player>, C<client> or C<map> (i.e. the attachable objects in	763	C<player>, C<client> or C<map> (i.e. the attachable objects in
490	crossfire+).	764	Deliantra).
491		765
492	=over 4	766	=over 4
493		767
494	=item $attachable->attach ($attachment, key => $value...)	768	=item $attachable->attach ($attachment, key => $value...)
495		769
…		…
539	=item cf::CLASS::attachment $name, ...	813	=item cf::CLASS::attachment $name, ...
540		814
541	Register an attachment by C<$name> through which attachable objects of the	815	Register an attachment by C<$name> through which attachable objects of the
542	given CLASS can refer to this attachment.	816	given CLASS can refer to this attachment.
543		817
544	Some classes such as crossfire maps and objects can specify attachments	818	Some classes such as deliantra maps and objects can specify attachments
545	that are attached at load/instantiate time, thus the need for a name.	819	that are attached at load/instantiate time, thus the need for a name.
546		820
547	These calls expect any number of the following handler/hook descriptions:	821	These calls expect any number of the following handler/hook descriptions:
548		822
549	=over 4	823	=over 4
…		…
609	our @CB_TYPE = (); # registry for type (cf-object class) based events	883	our @CB_TYPE = (); # registry for type (cf-object class) based events
610	our @CB_MAP = ();	884	our @CB_MAP = ();
611		885
612	my %attachment;	886	my %attachment;
613		887
		888	sub cf::attachable::thawer_merge {
		889	# simply override everything except _meta
		890	local $_[0]{_meta};
		891	%{$_[0]} = %{$_[1]};
		892	}
		893
614	sub _attach_cb($$$$) {	894	sub _attach_cb($$$$) {
615	my ($registry, $event, $prio, $cb) = @_;	895	my ($registry, $event, $prio, $cb) = @_;
616		896
617	use sort 'stable';	897	use sort 'stable';
618		898
…		…
652	$registry = $CB_TYPE[$object_type] ||= [];	932	$registry = $CB_TYPE[$object_type] ||= [];
653		933
654	} elsif ($type eq "subtype") {	934	} elsif ($type eq "subtype") {
655	defined $object_type or Carp::croak "subtype specified without type";	935	defined $object_type or Carp::croak "subtype specified without type";
656	my $object_subtype = shift @arg;	936	my $object_subtype = shift @arg;
657	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	937	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
658		938
659	} elsif ($type eq "package") {	939	} elsif ($type eq "package") {
660	my $pkg = shift @arg;	940	my $pkg = shift @arg;
661		941
662	while (my ($name, $id) = each %cb_id) {	942	while (my ($name, $id) = each %cb_id) {
…		…
691	_attach $registry, $klass, @attach;	971	_attach $registry, $klass, @attach;
692	}	972	}
693		973
694	$obj->{$name} = \%arg;	974	$obj->{$name} = \%arg;
695	} else {	975	} else {
696	warn "object uses attachment '$name' that is not available, postponing.\n";	976	warn "object uses attachment '$name' which is not available, postponing.\n";
697	}	977	}
698		978
699	$obj->{_attachment}{$name} = undef;	979	$obj->{_attachment}{$name} = undef;
700	}	980	}
701		981
…		…
703	if (ref $_[0]) {	983	if (ref $_[0]) {
704	_object_attach @_;	984	_object_attach @_;
705	} else {	985	} else {
706	_attach shift->_attach_registry, @_;	986	_attach shift->_attach_registry, @_;
707	}	987	}
		988	_recalc_want;
708	};	989	};
709		990
710	# all those should be optimised	991	# all those should be optimised
711	sub cf::attachable::detach {	992	sub cf::attachable::detach {
712	my ($obj, $name) = @_;	993	my ($obj, $name) = @_;
…		…
715	delete $obj->{_attachment}{$name};	996	delete $obj->{_attachment}{$name};
716	reattach ($obj);	997	reattach ($obj);
717	} else {	998	} else {
718	Carp::croak "cannot, currently, detach class attachments";	999	Carp::croak "cannot, currently, detach class attachments";
719	}	1000	}
		1001	_recalc_want;
720	};	1002	};
721		1003
722	sub cf::attachable::attached {	1004	sub cf::attachable::attached {
723	my ($obj, $name) = @_;	1005	my ($obj, $name) = @_;
724		1006
…		…
739	";	1021	";
740	die if $@;	1022	die if $@;
741	}	1023	}
742		1024
743	our $override;	1025	our $override;
744	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1026	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
745		1027
746	sub override {	1028	sub override {
747	$override = 1;	1029	$override = 1;
748	@invoke_results = ();	1030	@INVOKE_RESULTS = (@_);
749	}	1031	}
750		1032
751	sub do_invoke {	1033	sub do_invoke {
752	my $event = shift;	1034	my $event = shift;
753	my $callbacks = shift;	1035	my $callbacks = shift;
754		1036
755	@invoke_results = ();	1037	@INVOKE_RESULTS = ();
756		1038
757	local $override;	1039	local $override;
758		1040
759	for (@$callbacks) {	1041	for (@$callbacks) {
760	eval { &{$_->[1]} };	1042	eval { &{$_->[1]} };
…		…
769	}	1051	}
770		1052
771	0	1053	0
772	}	1054	}
773		1055
774	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1056	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
775		1057
776	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1058	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
777		1059
778	Generate an object-specific event with the given arguments.	1060	Generate an object-specific event with the given arguments.
779		1061
780	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1062	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
781	removed in future versions), and there is no public API to access override	1063	removed in future versions), and there is no public API to access override
782	results (if you must, access C<@cf::invoke_results> directly).	1064	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
783		1065
784	=back	1066	=back
785		1067
786	=cut	1068	=cut
787		1069
788	#############################################################################	1070	#############################################################################
789	# object support	1071	# object support
		1072
		1073	sub _object_equal($$);
		1074	sub _object_equal($$) {
		1075	my ($a, $b) = @_;
		1076
		1077	return 0 unless (ref $a) eq (ref $b);
		1078
		1079	if ("HASH" eq ref $a) {
		1080	my @ka = keys %$a;
		1081	my @kb = keys %$b;
		1082
		1083	return 0 if @ka != @kb;
		1084
		1085	for (0 .. $#ka) {
		1086	return 0 unless $ka[$_] eq $kb[$_];
		1087	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1088	}
		1089
		1090	} elsif ("ARRAY" eq ref $a) {
		1091
		1092	return 0 if @$a != @$b;
		1093
		1094	for (0 .. $#$a) {
		1095	return 0 unless _object_equal $a->[$_], $b->[$_];
		1096	}
		1097
		1098	} elsif ($a ne $b) {
		1099	return 0;
		1100	}
		1101
		1102	1
		1103	}
		1104
		1105	our $SLOW_MERGES;#d#
		1106	sub _can_merge {
		1107	my ($ob1, $ob2) = @_;
		1108
		1109	++$SLOW_MERGES;#d#
		1110
		1111	# we do the slow way here
		1112	return _object_equal $ob1, $ob2
		1113	}
790		1114
791	sub reattach {	1115	sub reattach {
792	# basically do the same as instantiate, without calling instantiate	1116	# basically do the same as instantiate, without calling instantiate
793	my ($obj) = @_;	1117	my ($obj) = @_;
		1118
		1119	# no longer needed after getting rid of delete_package?
		1120	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
794		1121
795	my $registry = $obj->registry;	1122	my $registry = $obj->registry;
796		1123
797	@$registry = ();	1124	@$registry = ();
798		1125
…		…
813	cf::attachable->attach (	1140	cf::attachable->attach (
814	prio => -1000000,	1141	prio => -1000000,
815	on_instantiate => sub {	1142	on_instantiate => sub {
816	my ($obj, $data) = @_;	1143	my ($obj, $data) = @_;
817		1144
818	$data = from_json $data;	1145	$data = decode_json $data;
819		1146
820	for (@$data) {	1147	for (@$data) {
821	my ($name, $args) = @$_;	1148	my ($name, $args) = @$_;
822		1149
823	$obj->attach ($name, %{$args || {} });	1150	$obj->attach ($name, %{$args || {} });
…		…
839	sub object_freezer_save {	1166	sub object_freezer_save {
840	my ($filename, $rdata, $objs) = @_;	1167	my ($filename, $rdata, $objs) = @_;
841		1168
842	sync_job {	1169	sync_job {
843	if (length $$rdata) {	1170	if (length $$rdata) {
		1171	utf8::decode (my $decname = $filename);
844	warn sprintf "saving %s (%d,%d)\n",	1172	warn sprintf "saving %s (%d,%d)\n",
845	$filename, length $$rdata, scalar @$objs;	1173	$decname, length $$rdata, scalar @$objs;
846		1174
847	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1175	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
848	chmod SAVE_MODE, $fh;	1176	aio_chmod $fh, SAVE_MODE;
849	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1177	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1178	if ($cf::USE_FSYNC) {
		1179	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;
850	aio_fsync $fh;	1180	aio_fsync $fh;
		1181	}
851	close $fh;	1182	aio_close $fh;
852		1183
853	if (@$objs) {	1184	if (@$objs) {
854	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1185	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
855	chmod SAVE_MODE, $fh;	1186	aio_chmod $fh, SAVE_MODE;
856	my $data = Storable::nfreeze { version => 1, objs => $objs };	1187	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
857	aio_write $fh, 0, (length $data), $data, 0;	1188	aio_write $fh, 0, (length $data), $data, 0;
		1189	if ($cf::USE_FSYNC) {
		1190	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;
858	aio_fsync $fh;	1191	aio_fsync $fh;
		1192	}
859	close $fh;	1193	aio_close $fh;
860	aio_rename "$filename.pst~", "$filename.pst";	1194	aio_rename "$filename.pst~", "$filename.pst";
861	}	1195	}
862	} else {	1196	} else {
863	aio_unlink "$filename.pst";	1197	aio_unlink "$filename.pst";
864	}	1198	}
865		1199
866	aio_rename "$filename~", $filename;	1200	aio_rename "$filename~", $filename;
		1201
		1202	$filename =~ s%/[^/]+$%%;
		1203	aio_pathsync $filename if $cf::USE_FSYNC;
867	} else {	1204	} else {
868	warn "FATAL: $filename~: $!\n";	1205	warn "unable to save objects: $filename~: $!\n";
869	}	1206	}
870	} else {	1207	} else {
871	aio_unlink $filename;	1208	aio_unlink $filename;
872	aio_unlink "$filename.pst";	1209	aio_unlink "$filename.pst";
873	}	1210	}
874	}	1211	};
875	}	1212	}
876		1213
877	sub object_freezer_as_string {	1214	sub object_freezer_as_string {
878	my ($rdata, $objs) = @_;	1215	my ($rdata, $objs) = @_;
879		1216
…		…
891	or return;	1228	or return;
892		1229
893	unless (aio_stat "$filename.pst") {	1230	unless (aio_stat "$filename.pst") {
894	(aio_load "$filename.pst", $av) >= 0	1231	(aio_load "$filename.pst", $av) >= 0
895	or return;	1232	or return;
		1233
896	$av = eval { (Storable::thaw $av)->{objs} };	1234	my $st = eval { Coro::Storable::thaw $av };
		1235	$av = $st->{objs};
897	}	1236	}
898		1237
		1238	utf8::decode (my $decname = $filename);
899	warn sprintf "loading %s (%d)\n",	1239	warn sprintf "loading %s (%d,%d)\n",
900	$filename, length $data, scalar @{$av || []};#d#	1240	$decname, length $data, scalar @{$av || []};
		1241
901	return ($data, $av);	1242	($data, $av)
902	}	1243	}
		1244
		1245	=head2 COMMAND CALLBACKS
		1246
		1247	=over 4
		1248
		1249	=cut
903		1250
904	#############################################################################	1251	#############################################################################
905	# command handling &c	1252	# command handling &c
906		1253
907	=item cf::register_command $name => \&callback($ob,$args);	1254	=item cf::register_command $name => \&callback($ob,$args);
…		…
920	push @{ $COMMAND{$name} }, [$caller, $cb];	1267	push @{ $COMMAND{$name} }, [$caller, $cb];
921	}	1268	}
922		1269
923	=item cf::register_extcmd $name => \&callback($pl,$packet);	1270	=item cf::register_extcmd $name => \&callback($pl,$packet);
924		1271
925	Register a callbackf ro execution when the client sends an extcmd packet.	1272	Register a callback for execution when the client sends an (synchronous)
		1273	extcmd packet. Ext commands will be processed in the order they are
		1274	received by the server, like other user commands. The first argument is
		1275	the logged-in player. Ext commands can only be processed after a player
		1276	has logged in successfully.
926		1277
927	If the callback returns something, it is sent back as if reply was being	1278	If the callback returns something, it is sent back as if reply was being
928	called.	1279	called.
929		1280
		1281	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1282
		1283	Register a callback for execution when the client sends an (asynchronous)
		1284	exticmd packet. Exti commands are processed by the server as soon as they
		1285	are received, i.e. out of order w.r.t. other commands. The first argument
		1286	is a client socket. Exti commands can be received anytime, even before
		1287	log-in.
		1288
		1289	If the callback returns something, it is sent back as if reply was being
		1290	called.
		1291
930	=cut	1292	=cut
931		1293
932	sub register_extcmd {	1294	sub register_extcmd {
933	my ($name, $cb) = @_;	1295	my ($name, $cb) = @_;
934		1296
935	my $caller = caller;
936	#warn "registering extcmd '$name' to '$caller'";
937
938	$EXTCMD{$name} = [$cb, $caller];	1297	$EXTCMD{$name} = $cb;
939	}	1298	}
		1299
		1300	sub register_exticmd {
		1301	my ($name, $cb) = @_;
		1302
		1303	$EXTICMD{$name} = $cb;
		1304	}
		1305
		1306	use File::Glob ();
940		1307
941	cf::player->attach (	1308	cf::player->attach (
942	on_command => sub {	1309	on_command => sub {
943	my ($pl, $name, $params) = @_;	1310	my ($pl, $name, $params) = @_;
944		1311
…		…
952	cf::override;	1319	cf::override;
953	},	1320	},
954	on_extcmd => sub {	1321	on_extcmd => sub {
955	my ($pl, $buf) = @_;	1322	my ($pl, $buf) = @_;
956		1323
957	my $msg = eval { from_json $buf };	1324	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
958		1325
959	if (ref $msg) {	1326	if (ref $msg) {
		1327	my ($type, $reply, @payload) =
		1328	"ARRAY" eq ref $msg
		1329	? @$msg
		1330	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1331
		1332	my @reply;
		1333
960	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1334	if (my $cb = $EXTCMD{$type}) {
961	if (my %reply = $cb->[0]->($pl, $msg)) {	1335	@reply = $cb->($pl, @payload);
962	$pl->ext_reply ($msg->{msgid}, %reply);
963	}
964	}	1336	}
		1337
		1338	$pl->ext_reply ($reply, @reply)
		1339	if $reply;
		1340
965	} else {	1341	} else {
966	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1342	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
967	}	1343	}
968		1344
969	cf::override;	1345	cf::override;
970	},	1346	},
971	);	1347	);
972		1348
973	sub register {	1349	# "readahead" all extensions
974	my ($base, $pkg) = @_;
975
976	#TODO
977	}
978
979	sub load_extension {	1350	sub cache_extensions {
980	my ($path) = @_;	1351	my $grp = IO::AIO::aio_group;
981		1352
982	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1353	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
983	my $base = $1;	1354	for (grep /\.ext$/, @{$_[0]}) {
984	my $pkg = $1;	1355	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
985	$pkg =~ s/[^[:word:]]/_/g;
986	$pkg = "ext::$pkg";
987
988	warn "loading '$path' into '$pkg'\n";
989
990	open my $fh, "<:utf8", $path
991	or die "$path: $!";
992
993	my $source =
994	"package $pkg; use strict; use utf8;\n"
995	. "#line 1 \"$path\"\n{\n"
996	. (do { local $/; <$fh> })
997	. "\n};\n1";
998
999	eval $source
1000	or die $@ ? "$path: $@\n"
1001	: "extension disabled.\n";
1002
1003	push @exts, $pkg;
1004	$ext_pkg{$base} = $pkg;
1005
1006	# no strict 'refs';
1007	# @{"$pkg\::ISA"} = ext::;
1008
1009	register $base, $pkg;
1010	}
1011
1012	sub unload_extension {
1013	my ($pkg) = @_;
1014
1015	warn "removing extension $pkg\n";
1016
1017	# remove hooks
1018	#TODO
1019	# for my $idx (0 .. $#PLUGIN_EVENT) {
1020	# delete $hook[$idx]{$pkg};
1021	# }
1022
1023	# remove commands
1024	for my $name (keys %COMMAND) {
1025	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1026
1027	if (@cb) {
1028	$COMMAND{$name} = \@cb;
1029	} else {
1030	delete $COMMAND{$name};
1031	}	1356	}
1032	}	1357	};
1033		1358
1034	# remove extcmds	1359	$grp
1035	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1036	delete $EXTCMD{$name};
1037	}
1038
1039	if (my $cb = $pkg->can ("unload")) {
1040	eval {
1041	$cb->($pkg);
1042	1
1043	} or warn "$pkg unloaded, but with errors: $@";
1044	}
1045
1046	Symbol::delete_package $pkg;
1047	}	1360	}
1048		1361
1049	sub load_extensions {	1362	sub load_extensions {
		1363	cf::sync_job {
		1364	my %todo;
		1365
1050	for my $ext (<$LIBDIR/*.ext>) {	1366	for my $path (<$LIBDIR/*.ext>) {
1051	next unless -r $ext;	1367	next unless -r $path;
1052	eval {	1368
1053	load_extension $ext;	1369	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1370	my $base = $1;
		1371	my $pkg = $1;
		1372	$pkg =~ s/[^[:word:]]/_/g;
		1373	$pkg = "ext::$pkg";
		1374
		1375	open my $fh, "<:utf8", $path
		1376	or die "$path: $!";
		1377
		1378	my $source = do { local $/; <$fh> };
		1379
		1380	my %ext = (
		1381	path => $path,
		1382	base => $base,
		1383	pkg => $pkg,
		1384	);
		1385
		1386	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1387	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1388
		1389	$ext{source} =
		1390	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1391	. "#line 1 \"$path\"\n{\n"
		1392	. $source
		1393	. "\n};\n1";
		1394
		1395	$todo{$base} = \%ext;
		1396	}
		1397
		1398	my %done;
		1399	while (%todo) {
		1400	my $progress;
		1401
		1402	while (my ($k, $v) = each %todo) {
		1403	for (split /,\s*/, $v->{meta}{depends}) {
		1404	goto skip
		1405	unless exists $done{$_};
		1406	}
		1407
		1408	warn "... loading '$k' into '$v->{pkg}'\n";
		1409
		1410	unless (eval $v->{source}) {
		1411	my $msg = $@ ? "$v->{path}: $@\n"
		1412	: "$v->{base}: extension inactive.\n";
		1413
		1414	if (exists $v->{meta}{mandatory}) {
		1415	warn $msg;
		1416	cf::cleanup "mandatory extension failed to load, exiting.";
		1417	}
		1418
		1419	warn $msg;
		1420	}
		1421
		1422	$done{$k} = delete $todo{$k};
		1423	push @EXTS, $v->{pkg};
		1424	$progress = 1;
1054	1	1425	}
1055	} or warn "$ext not loaded: $@";	1426
		1427	skip:
		1428	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1429	unless $progress;
		1430	}
1056	}	1431	};
1057	}	1432	}
1058		1433
1059	#############################################################################	1434	#############################################################################
1060	# load/save/clean perl data associated with a map
1061		1435
1062	*cf::mapsupport::on_clean = sub {	1436	=back
1063	my ($map) = @_;
1064
1065	my $path = $map->tmpname;
1066	defined $path or return;
1067
1068	unlink "$path.pst";
1069	};
1070
1071	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1072
1073	#############################################################################
1074	# load/save perl data associated with player->ob objects
1075
1076	sub all_objects(@) {
1077	@_, map all_objects ($_->inv), @_
1078	}
1079
1080	# TODO: compatibility cruft, remove when no longer needed
1081	cf::player->attach (
1082	on_load => sub {
1083	my ($pl, $path) = @_;
1084
1085	for my $o (all_objects $pl->ob) {
1086	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1087	$o->set_ob_key_value ("_perl_data");
1088
1089	%$o = %{ Storable::thaw pack "H*", $value };
1090	}
1091	}
1092	},
1093	);
1094
1095	#############################################################################
1096		1437
1097	=head2 CORE EXTENSIONS	1438	=head2 CORE EXTENSIONS
1098		1439
1099	Functions and methods that extend core crossfire objects.	1440	Functions and methods that extend core deliantra objects.
1100		1441
1101	=cut	1442	=cut
1102		1443
1103	package cf::player;	1444	package cf::player;
1104		1445
…		…
1106		1447
1107	=head3 cf::player	1448	=head3 cf::player
1108		1449
1109	=over 4	1450	=over 4
1110		1451
		1452	=item cf::player::num_playing
		1453
		1454	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1455
		1456	=cut
		1457
		1458	sub num_playing {
		1459	scalar grep
		1460	$_->ob->map
		1461	&& !$_->hidden
		1462	&& !$_->ob->flag (cf::FLAG_WIZ),
		1463	cf::player::list
		1464	}
		1465
1111	=item cf::player::find $login	1466	=item cf::player::find $login
1112		1467
1113	Returns the given player object, loading it if necessary (might block).	1468	Returns the given player object, loading it if necessary (might block).
1114		1469
1115	=cut	1470	=cut
1116		1471
1117	sub playerdir($) {	1472	sub playerdir($) {
1118	cf::localdir	1473	"$PLAYERDIR/"
1119	. "/"
1120	. cf::playerdir
1121	. "/"
1122	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1474	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1123	}	1475	}
1124		1476
1125	sub path($) {	1477	sub path($) {
1126	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1478	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1127		1479
1128	(playerdir $login) . "/$login.pl"	1480	(playerdir $login) . "/playerdata"
1129	}	1481	}
1130		1482
1131	sub find_active($) {	1483	sub find_active($) {
1132	$cf::PLAYER{$_[0]}	1484	$cf::PLAYER{$_[0]}
1133	and $cf::PLAYER{$_[0]}->active	1485	and $cf::PLAYER{$_[0]}->active
…		…
1136		1488
1137	sub exists($) {	1489	sub exists($) {
1138	my ($login) = @_;	1490	my ($login) = @_;
1139		1491
1140	$cf::PLAYER{$login}	1492	$cf::PLAYER{$login}
1141	or cf::sync_job { !aio_stat $login }	1493	or !aio_stat path $login
1142	}	1494	}
1143		1495
1144	sub find($) {	1496	sub find($) {
1145	return $cf::PLAYER{$_[0]} || do {	1497	return $cf::PLAYER{$_[0]} || do {
1146	my $login = $_[0];	1498	my $login = $_[0];
1147		1499
1148	my $guard = cf::lock_acquire "user_find:$login";	1500	my $guard = cf::lock_acquire "user_find:$login";
1149		1501
1150	$cf::PLAYER{$_[0]} || do {	1502	$cf::PLAYER{$_[0]} || do {
1151	my $pl = load_pl path $login	1503	# rename old playerfiles to new ones
		1504	#TODO: remove when no longer required
		1505	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1506	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1507	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1508	aio_unlink +(playerdir $login) . "/$login.pl";
		1509
		1510	my $f = new_from_file cf::object::thawer path $login
1152	or return;	1511	or return;
		1512
		1513	my $pl = cf::player::load_pl $f
		1514	or return;
		1515
		1516	local $cf::PLAYER_LOADING{$login} = $pl;
		1517	$f->resolve_delayed_derefs;
1153	$cf::PLAYER{$login} = $pl	1518	$cf::PLAYER{$login} = $pl
1154	}	1519	}
1155	}	1520	}
1156	}	1521	}
1157		1522
…		…
1166	return if $pl->{deny_save};	1531	return if $pl->{deny_save};
1167		1532
1168	aio_mkdir playerdir $pl, 0770;	1533	aio_mkdir playerdir $pl, 0770;
1169	$pl->{last_save} = $cf::RUNTIME;	1534	$pl->{last_save} = $cf::RUNTIME;
1170		1535
		1536	cf::get_slot 0.01;
		1537
1171	$pl->save_pl ($path);	1538	$pl->save_pl ($path);
1172	Coro::cede;	1539	cf::cede_to_tick;
1173	}	1540	}
1174		1541
1175	sub new($) {	1542	sub new($) {
1176	my ($login) = @_;	1543	my ($login) = @_;
1177		1544
…		…
1183	$cf::PLAYER{$login} = $self;	1550	$cf::PLAYER{$login} = $self;
1184		1551
1185	$self	1552	$self
1186	}	1553	}
1187		1554
		1555	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1556
		1557	=cut
		1558
		1559	sub send_msg {
		1560	my $ns = shift->ns
		1561	or return;
		1562	$ns->send_msg (@_);
		1563	}
		1564
1188	=item $pl->quit_character	1565	=item $pl->quit_character
1189		1566
1190	Nukes the player without looking back. If logged in, the connection will	1567	Nukes the player without looking back. If logged in, the connection will
1191	be destroyed. May block for a long time.	1568	be destroyed. May block for a long time.
1192		1569
1193	=cut	1570	=cut
1194		1571
1195	sub quit_character {	1572	sub quit_character {
1196	my ($pl) = @_;	1573	my ($pl) = @_;
1197		1574
		1575	my $name = $pl->ob->name;
		1576
1198	$pl->{deny_save} = 1;	1577	$pl->{deny_save} = 1;
1199	$pl->password ("*"); # this should lock out the player until we nuked the dir	1578	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1200		1579
1201	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1580	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1202	$pl->deactivate;	1581	$pl->deactivate;
		1582	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1583	$pl->ob->check_score;
1203	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1584	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1204	$pl->ns->destroy if $pl->ns;	1585	$pl->ns->destroy if $pl->ns;
1205		1586
1206	my $path = playerdir $pl;	1587	my $path = playerdir $pl;
1207	my $temp = "$path~$cf::RUNTIME~deleting~";	1588	my $temp = "$path~$cf::RUNTIME~deleting~";
1208	aio_rename $path, $temp;	1589	aio_rename $path, $temp;
1209	delete $cf::PLAYER{$pl->ob->name};	1590	delete $cf::PLAYER{$pl->ob->name};
1210	$pl->destroy;	1591	$pl->destroy;
		1592
		1593	my $prefix = qr<^~\Q$name\E/>;
		1594
		1595	# nuke player maps
		1596	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1597
1211	IO::AIO::aio_rmtree $temp;	1598	IO::AIO::aio_rmtree $temp;
		1599	}
		1600
		1601	=item $pl->kick
		1602
		1603	Kicks a player out of the game. This destroys the connection.
		1604
		1605	=cut
		1606
		1607	sub kick {
		1608	my ($pl, $kicker) = @_;
		1609
		1610	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1611	$pl->killer ("kicked");
		1612	$pl->ns->destroy;
1212	}	1613	}
1213		1614
1214	=item cf::player::list_logins	1615	=item cf::player::list_logins
1215		1616
1216	Returns am arrayref of all valid playernames in the system, can take a	1617	Returns am arrayref of all valid playernames in the system, can take a
1217	while and may block, so not sync_job-capable, ever.	1618	while and may block, so not sync_job-capable, ever.
1218		1619
1219	=cut	1620	=cut
1220		1621
1221	sub list_logins {	1622	sub list_logins {
1222	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1623	my $dirs = aio_readdir $PLAYERDIR
1223	or return [];	1624	or return [];
1224		1625
1225	my @logins;	1626	my @logins;
1226		1627
1227	for my $login (@$dirs) {	1628	for my $login (@$dirs) {
		1629	my $path = path $login;
		1630
		1631	# a .pst is a dead give-away for a valid player
		1632	# if no pst file found, open and chekc for blocked users
		1633	if (aio_stat "$path.pst") {
1228	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1634	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1229	aio_read $fh, 0, 512, my $buf, 0 or next;	1635	aio_read $fh, 0, 512, my $buf, 0 or next;
1230	$buf !~ /^password -------------$/ or next; # official not-valid tag	1636	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1637	}
1231		1638
1232	utf8::decode $login;	1639	utf8::decode $login;
1233	push @logins, $login;	1640	push @logins, $login;
1234	}	1641	}
1235		1642
1236	\@logins	1643	\@logins
1237	}	1644	}
1238		1645
1239	=item $player->maps	1646	=item $player->maps
1240		1647
1241	Returns an arrayref of cf::path's of all maps that are private for this	1648	Returns an arrayref of map paths that are private for this
1242	player. May block.	1649	player. May block.
1243		1650
1244	=cut	1651	=cut
1245		1652
1246	sub maps($) {	1653	sub maps($) {
1247	my ($pl) = @_;	1654	my ($pl) = @_;
		1655
		1656	$pl = ref $pl ? $pl->ob->name : $pl;
1248		1657
1249	my $files = aio_readdir playerdir $pl	1658	my $files = aio_readdir playerdir $pl
1250	or return;	1659	or return;
1251		1660
1252	my @paths;	1661	my @paths;
1253		1662
1254	for (@$files) {	1663	for (@$files) {
1255	utf8::decode $_;	1664	utf8::decode $_;
1256	next if /\.(?:pl|pst)$/;	1665	next if /\.(?:pl|pst)$/;
1257	next unless /^$PATH_SEP/;	1666	next unless /^$PATH_SEP/o;
1258		1667
1259	s/$PATH_SEP/\//g;	1668	push @paths, cf::map::normalise "~$pl/$_";
1260	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1261	}	1669	}
1262		1670
1263	\@paths	1671	\@paths
1264	}	1672	}
1265		1673
		1674	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1675
		1676	Expand deliantra pod fragments into protocol xml.
		1677
1266	=item $player->ext_reply ($msgid, $msgtype, %msg)	1678	=item $player->ext_reply ($msgid, @msg)
1267		1679
1268	Sends an ext reply to the player.	1680	Sends an ext reply to the player.
1269		1681
1270	=cut	1682	=cut
1271		1683
1272	sub ext_reply($$$%) {	1684	sub ext_reply($$@) {
1273	my ($self, $id, %msg) = @_;	1685	my ($self, $id, @msg) = @_;
1274		1686
1275	$msg{msgid} = $id;	1687	$self->ns->ext_reply ($id, @msg)
1276
1277	$self->send ("ext " . cf::to_json \%msg);
1278	}	1688	}
1279		1689
1280	package cf;	1690	=item $player->ext_msg ($type, @msg)
		1691
		1692	Sends an ext event to the client.
		1693
		1694	=cut
		1695
		1696	sub ext_msg($$@) {
		1697	my ($self, $type, @msg) = @_;
		1698
		1699	$self->ns->ext_msg ($type, @msg);
		1700	}
		1701
		1702	=head3 cf::region
		1703
		1704	=over 4
		1705
		1706	=cut
		1707
		1708	package cf::region;
		1709
		1710	=item cf::region::find_by_path $path
		1711
		1712	Tries to decuce the likely region for a map knowing only its path.
		1713
		1714	=cut
		1715
		1716	sub find_by_path($) {
		1717	my ($path) = @_;
		1718
		1719	my ($match, $specificity);
		1720
		1721	for my $region (list) {
		1722	if ($region->{match} && $path =~ $region->{match}) {
		1723	($match, $specificity) = ($region, $region->specificity)
		1724	if $region->specificity > $specificity;
		1725	}
		1726	}
		1727
		1728	$match
		1729	}
1281		1730
1282	=back	1731	=back
1283
1284		1732
1285	=head3 cf::map	1733	=head3 cf::map
1286		1734
1287	=over 4	1735	=over 4
1288		1736
…		…
1291	package cf::map;	1739	package cf::map;
1292		1740
1293	use Fcntl;	1741	use Fcntl;
1294	use Coro::AIO;	1742	use Coro::AIO;
1295		1743
		1744	use overload
		1745	'""' => \&as_string,
		1746	fallback => 1;
		1747
1296	our $MAX_RESET = 3600;	1748	our $MAX_RESET = 3600;
1297	our $DEFAULT_RESET = 3000;	1749	our $DEFAULT_RESET = 3000;
1298		1750
1299	sub generate_random_map {	1751	sub generate_random_map {
1300	my ($path, $rmp) = @_;	1752	my ($self, $rmp) = @_;
		1753
		1754	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1301		1755
1302	# mit "rum" bekleckern, nicht	1756	# mit "rum" bekleckern, nicht
1303	cf::map::_create_random_map	1757	$self->_create_random_map (
1304	$path,
1305	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1758	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1306	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1759	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1307	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1760	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1308	$rmp->{exit_on_final_map},	1761	$rmp->{exit_on_final_map},
1309	$rmp->{xsize}, $rmp->{ysize},	1762	$rmp->{xsize}, $rmp->{ysize},
1310	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1763	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1311	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1764	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1312	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1765	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1313	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1766	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1314	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1767	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1315	(cf::region::find $rmp->{region})	1768	(cf::region::find $rmp->{region}), $rmp->{custom}
		1769	)
1316	}	1770	}
1317		1771
1318	# and all this just because we cannot iterate over	1772	=item cf::map->register ($regex, $prio)
1319	# all maps in C++...
1320	sub change_all_map_light {
1321	my ($change) = @_;
1322		1773
1323	$_->change_map_light ($change)	1774	Register a handler for the map path matching the given regex at the
1324	for grep $_->outdoor, values %cf::MAP;	1775	givne priority (higher is better, built-in handlers have priority 0, the
1325	}	1776	default).
1326		1777
1327	sub try_load_header($) {	1778	=cut
		1779
		1780	sub register {
		1781	my (undef, $regex, $prio) = @_;
		1782	my $pkg = caller;
		1783
		1784	no strict;
		1785	push @{"$pkg\::ISA"}, __PACKAGE__;
		1786
		1787	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1788	}
		1789
		1790	# also paths starting with '/'
		1791	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1792
		1793	sub thawer_merge {
		1794	my ($self, $merge) = @_;
		1795
		1796	# we have to keep some variables in memory intact
		1797	local $self->{path};
		1798	local $self->{load_path};
		1799
		1800	$self->SUPER::thawer_merge ($merge);
		1801	}
		1802
		1803	sub normalise {
1328	my ($path) = @_;	1804	my ($path, $base) = @_;
		1805
		1806	$path = "$path"; # make sure its a string
		1807
		1808	$path =~ s/\.map$//;
		1809
		1810	# map plan:
		1811	#
		1812	# /! non-realised random map exit (special hack!)
		1813	# {... are special paths that are not being touched
		1814	# ?xxx/... are special absolute paths
		1815	# ?random/... random maps
		1816	# /... normal maps
		1817	# ~user/... per-player map of a specific user
		1818
		1819	$path =~ s/$PATH_SEP/\//go;
		1820
		1821	# treat it as relative path if it starts with
		1822	# something that looks reasonable
		1823	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1824	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1825
		1826	$base =~ s{[^/]+/?$}{};
		1827	$path = "$base/$path";
		1828	}
		1829
		1830	for ($path) {
		1831	redo if s{//}{/};
		1832	redo if s{/\.?/}{/};
		1833	redo if s{/[^/]+/\.\./}{/};
		1834	}
		1835
		1836	$path
		1837	}
		1838
		1839	sub new_from_path {
		1840	my (undef, $path, $base) = @_;
		1841
		1842	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1843
		1844	$path = normalise $path, $base;
		1845
		1846	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1847	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1848	my $self = bless cf::map::new, $pkg;
		1849	$self->{path} = $path; $self->path ($path);
		1850	$self->init; # pass $1 etc.
		1851	return $self;
		1852	}
		1853	}
		1854
		1855	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1856	()
		1857	}
		1858
		1859	sub init {
		1860	my ($self) = @_;
		1861
		1862	$self
		1863	}
		1864
		1865	sub as_string {
		1866	my ($self) = @_;
		1867
		1868	"$self->{path}"
		1869	}
		1870
		1871	# the displayed name, this is a one way mapping
		1872	sub visible_name {
		1873	&as_string
		1874	}
		1875
		1876	# the original (read-only) location
		1877	sub load_path {
		1878	my ($self) = @_;
		1879
		1880	"$MAPDIR/$self->{path}.map"
		1881	}
		1882
		1883	# the temporary/swap location
		1884	sub save_path {
		1885	my ($self) = @_;
		1886
		1887	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1888	"$TMPDIR/$path.map"
		1889	}
		1890
		1891	# the unique path, undef == no special unique path
		1892	sub uniq_path {
		1893	my ($self) = @_;
		1894
		1895	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1896	"$UNIQUEDIR/$path"
		1897	}
		1898
		1899	sub decay_objects {
		1900	my ($self) = @_;
		1901
		1902	return if $self->{deny_reset};
		1903
		1904	$self->do_decay_objects;
		1905	}
		1906
		1907	sub unlink_save {
		1908	my ($self) = @_;
		1909
		1910	utf8::encode (my $save = $self->save_path);
		1911	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1912	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1913	}
		1914
		1915	sub load_header_from($) {
		1916	my ($self, $path) = @_;
1329		1917
1330	utf8::encode $path;	1918	utf8::encode $path;
1331	aio_open $path, O_RDONLY, 0	1919	my $f = new_from_file cf::object::thawer $path
1332	or return;	1920	or return;
1333		1921
1334	my $map = cf::map::new	1922	$self->_load_header ($f)
1335	or return;	1923	or return;
1336		1924
1337	# for better error messages only, will be overwritten	1925	local $MAP_LOADING{$self->{path}} = $self;
1338	$map->path ($path);	1926	$f->resolve_delayed_derefs;
1339		1927
1340	$map->load_header ($path)	1928	$self->{load_path} = $path;
		1929
		1930	1
		1931	}
		1932
		1933	sub load_header_orig {
		1934	my ($self) = @_;
		1935
		1936	$self->load_header_from ($self->load_path)
		1937	}
		1938
		1939	sub load_header_temp {
		1940	my ($self) = @_;
		1941
		1942	$self->load_header_from ($self->save_path)
		1943	}
		1944
		1945	sub prepare_temp {
		1946	my ($self) = @_;
		1947
		1948	$self->last_access ((delete $self->{last_access})
		1949	|| $cf::RUNTIME); #d#
		1950	# safety
		1951	$self->{instantiate_time} = $cf::RUNTIME
		1952	if $self->{instantiate_time} > $cf::RUNTIME;
		1953	}
		1954
		1955	sub prepare_orig {
		1956	my ($self) = @_;
		1957
		1958	$self->{load_original} = 1;
		1959	$self->{instantiate_time} = $cf::RUNTIME;
		1960	$self->last_access ($cf::RUNTIME);
		1961	$self->instantiate;
		1962	}
		1963
		1964	sub load_header {
		1965	my ($self) = @_;
		1966
		1967	if ($self->load_header_temp) {
		1968	$self->prepare_temp;
		1969	} else {
		1970	$self->load_header_orig
1341	or return;	1971	or return;
		1972	$self->prepare_orig;
		1973	}
1342		1974
1343	$map->{load_path} = $path;	1975	$self->{deny_reset} = 1
		1976	if $self->no_reset;
1344		1977
1345	$map	1978	$self->default_region (cf::region::find_by_path $self->{path})
		1979	unless $self->default_region;
		1980
		1981	1
1346	}	1982	}
1347		1983
1348	sub find;	1984	sub find;
1349	sub find {	1985	sub find {
1350	my ($path, $origin) = @_;	1986	my ($path, $origin) = @_;
1351		1987
1352	#warn "find<$path,$origin>\n";#d#
1353
1354	$path = new cf::path $path, $origin && $origin->path;	1988	$path = normalise $path, $origin && $origin->path;
1355	my $key = $path->as_string;
1356		1989
1357	cf::lock_wait "map_find:$key";	1990	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1358
1359	$cf::MAP{$key} || do {
1360	my $guard = cf::lock_acquire "map_find:$key";	1991	my $guard2 = cf::lock_acquire "map_find:$path";
1361		1992
1362	# do it the slow way	1993	$cf::MAP{$path} || do {
1363	my $map = try_load_header $path->save_path;	1994	my $map = new_from_path cf::map $path
1364
1365	Coro::cede;
1366
1367	if ($map) {
1368	$map->last_access ((delete $map->{last_access})
1369	|| $cf::RUNTIME); #d#
1370	# safety
1371	$map->{instantiate_time} = $cf::RUNTIME
1372	if $map->{instantiate_time} > $cf::RUNTIME;
1373	} else {
1374	if (my $rmp = $path->random_map_params) {
1375	$map = generate_random_map $key, $rmp;
1376	} else {
1377	$map = try_load_header $path->load_path;
1378	}
1379
1380	$map or return;	1995	or return;
1381		1996
1382	$map->{load_original} = 1;
1383	$map->{instantiate_time} = $cf::RUNTIME;
1384	$map->last_access ($cf::RUNTIME);
1385	$map->instantiate;
1386
1387	# per-player maps become, after loading, normal maps
1388	$map->per_player (0) if $path->{user_rel};
1389	}
1390
1391	$map->path ($key);
1392	$map->{path} = $path;
1393	$map->{last_save} = $cf::RUNTIME;	1997	$map->{last_save} = $cf::RUNTIME;
1394		1998
1395	Coro::cede;	1999	$map->load_header
		2000	or return;
1396		2001
1397	if ($map->should_reset) {	2002	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2003	# doing this can freeze the server in a sync job, obviously
		2004	#$cf::WAIT_FOR_TICK->wait;
		2005	undef $guard2;
		2006	undef $guard1;
1398	$map->reset;	2007	$map->reset;
1399	undef $guard;
1400	$map = find $path	2008	return find $path;
1401	or return;
1402	}	2009	}
1403		2010
1404	$cf::MAP{$key} = $map	2011	$cf::MAP{$path} = $map
1405	}	2012	}
1406	}	2013	}
		2014
		2015	sub pre_load { }
		2016	sub post_load { }
1407		2017
1408	sub load {	2018	sub load {
1409	my ($self) = @_;	2019	my ($self) = @_;
1410		2020
		2021	local $self->{deny_reset} = 1; # loading can take a long time
		2022
1411	my $path = $self->{path};	2023	my $path = $self->{path};
		2024
		2025	{
1412	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2026	my $guard = cf::lock_acquire "map_data:$path";
1413		2027
		2028	return unless $self->valid;
1414	return if $self->in_memory != cf::MAP_SWAPPED;	2029	return unless $self->in_memory == cf::MAP_SWAPPED;
1415		2030
1416	$self->in_memory (cf::MAP_LOADING);	2031	$self->in_memory (cf::MAP_LOADING);
1417		2032
1418	$self->alloc;	2033	$self->alloc;
1419	$self->load_objects ($self->{load_path}, 1)	2034
		2035	$self->pre_load;
		2036	cf::cede_to_tick;
		2037
		2038	my $f = new_from_file cf::object::thawer $self->{load_path};
		2039	$f->skip_block;
		2040	$self->_load_objects ($f)
1420	or return;	2041	or return;
1421		2042
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2043	$self->post_load_original
1423	if delete $self->{load_original};	2044	if delete $self->{load_original};
1424		2045
1425	if (my $uniq = $path->uniq_path) {	2046	if (my $uniq = $self->uniq_path) {
1426	utf8::encode $uniq;	2047	utf8::encode $uniq;
1427	if (aio_open $uniq, O_RDONLY, 0) {	2048	unless (aio_stat $uniq) {
		2049	if (my $f = new_from_file cf::object::thawer $uniq) {
1428	$self->clear_unique_items;	2050	$self->clear_unique_items;
1429	$self->load_objects ($uniq, 0);	2051	$self->_load_objects ($f);
		2052	$f->resolve_delayed_derefs;
		2053	}
1430	}	2054	}
1431	}	2055	}
1432		2056
1433	Coro::cede;	2057	$f->resolve_delayed_derefs;
1434		2058
		2059	cf::cede_to_tick;
1435	# now do the right thing for maps	2060	# now do the right thing for maps
1436	$self->link_multipart_objects;	2061	$self->link_multipart_objects;
1437
1438	if ($self->{path}->is_style_map) {
1439	$self->{deny_save} = 1;
1440	$self->{deny_reset} = 1;
1441	} else {
1442	$self->fix_auto_apply;
1443	$self->decay_objects;
1444	$self->update_buttons;
1445	$self->set_darkness_map;
1446	$self->difficulty ($self->estimate_difficulty)	2062	$self->difficulty ($self->estimate_difficulty)
1447	unless $self->difficulty;	2063	unless $self->difficulty;
		2064	cf::cede_to_tick;
		2065
		2066	unless ($self->{deny_activate}) {
		2067	$self->decay_objects;
		2068	$self->fix_auto_apply;
		2069	$self->update_buttons;
		2070	cf::cede_to_tick;
1448	$self->activate;	2071	$self->activate;
1449	}	2072	}
1450		2073
1451	Coro::cede;	2074	$self->{last_save} = $cf::RUNTIME;
		2075	$self->last_access ($cf::RUNTIME);
1452		2076
1453	$self->in_memory (cf::MAP_IN_MEMORY);	2077	$self->in_memory (cf::MAP_ACTIVE);
		2078	}
		2079
		2080	$self->post_load;
		2081	}
		2082
		2083	sub customise_for {
		2084	my ($self, $ob) = @_;
		2085
		2086	return find "~" . $ob->name . "/" . $self->{path}
		2087	if $self->per_player;
		2088
		2089	# return find "?party/" . $ob->name . "/" . $self->{path}
		2090	# if $self->per_party;
		2091
		2092	$self
		2093	}
		2094
		2095	# find and load all maps in the 3x3 area around a map
		2096	sub load_neighbours {
		2097	my ($map) = @_;
		2098
		2099	my @neigh; # diagonal neighbours
		2100
		2101	for (0 .. 3) {
		2102	my $neigh = $map->tile_path ($_)
		2103	or next;
		2104	$neigh = find $neigh, $map
		2105	or next;
		2106	$neigh->load;
		2107
		2108	push @neigh,
		2109	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		2110	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		2111	}
		2112
		2113	for (grep defined $_->[0], @neigh) {
		2114	my ($path, $origin) = @$_;
		2115	my $neigh = find $path, $origin
		2116	or next;
		2117	$neigh->load;
		2118	}
1454	}	2119	}
1455		2120
1456	sub find_sync {	2121	sub find_sync {
1457	my ($path, $origin) = @_;	2122	my ($path, $origin) = @_;
1458		2123
1459	cf::sync_job { cf::map::find $path, $origin }	2124	cf::sync_job { find $path, $origin }
1460	}	2125	}
1461		2126
1462	sub do_load_sync {	2127	sub do_load_sync {
1463	my ($map) = @_;	2128	my ($map) = @_;
1464		2129
		2130	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2131	if $Coro::current == $Coro::main;
		2132
1465	cf::sync_job { $map->load };	2133	cf::sync_job { $map->load };
		2134	}
		2135
		2136	our %MAP_PREFETCH;
		2137	our $MAP_PREFETCHER = undef;
		2138
		2139	sub find_async {
		2140	my ($path, $origin, $load) = @_;
		2141
		2142	$path = normalise $path, $origin && $origin->{path};
		2143
		2144	if (my $map = $cf::MAP{$path}) {
		2145	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2146	}
		2147
		2148	$MAP_PREFETCH{$path} |= $load;
		2149
		2150	$MAP_PREFETCHER ||= cf::async {
		2151	$Coro::current->{desc} = "map prefetcher";
		2152
		2153	while (%MAP_PREFETCH) {
		2154	while (my ($k, $v) = each %MAP_PREFETCH) {
		2155	if (my $map = find $k) {
		2156	$map->load if $v;
		2157	}
		2158
		2159	delete $MAP_PREFETCH{$k};
		2160	}
		2161	}
		2162	undef $MAP_PREFETCHER;
		2163	};
		2164	$MAP_PREFETCHER->prio (6);
		2165
		2166	()
1466	}	2167	}
1467		2168
1468	sub save {	2169	sub save {
1469	my ($self) = @_;	2170	my ($self) = @_;
1470		2171
1471	my $lock = cf::lock_acquire "map_data:" . $self->path;	2172	my $lock = cf::lock_acquire "map_data:$self->{path}";
1472		2173
1473	$self->{last_save} = $cf::RUNTIME;	2174	$self->{last_save} = $cf::RUNTIME;
1474		2175
1475	return unless $self->dirty;	2176	return unless $self->dirty;
1476		2177
1477	my $save = $self->{path}->save_path; utf8::encode $save;	2178	my $save = $self->save_path; utf8::encode $save;
1478	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2179	my $uniq = $self->uniq_path; utf8::encode $uniq;
1479		2180
1480	$self->{load_path} = $save;	2181	$self->{load_path} = $save;
1481		2182
1482	return if $self->{deny_save};	2183	return if $self->{deny_save};
1483		2184
1484	local $self->{last_access} = $self->last_access;#d#	2185	local $self->{last_access} = $self->last_access;#d#
1485		2186
1486	cf::async {	2187	cf::async {
		2188	$Coro::current->{desc} = "map player save";
1487	$_->contr->save for $self->players;	2189	$_->contr->save for $self->players;
1488	};	2190	};
1489		2191
		2192	cf::get_slot 0.02;
		2193
1490	if ($uniq) {	2194	if ($uniq) {
1491	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2195	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1492	$self->save_objects ($uniq, cf::IO_UNIQUES);	2196	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1493	} else {	2197	} else {
1494	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2198	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1495	}	2199	}
1496	}	2200	}
1497		2201
1498	sub swap_out {	2202	sub swap_out {
1499	my ($self) = @_;	2203	my ($self) = @_;
1500		2204
1501	# save first because save cedes	2205	# save first because save cedes
1502	$self->save;	2206	$self->save;
1503		2207
1504	my $lock = cf::lock_acquire "map_data:" . $self->path;	2208	my $lock = cf::lock_acquire "map_data:$self->{path}";
1505		2209
1506	return if $self->players;	2210	return if $self->players;
1507	return if $self->in_memory != cf::MAP_IN_MEMORY;	2211	return if $self->in_memory != cf::MAP_ACTIVE;
1508	return if $self->{deny_save};	2212	return if $self->{deny_save};
1509		2213
		2214	$self->in_memory (cf::MAP_SWAPPED);
		2215
		2216	$self->deactivate;
		2217	$_->clear_links_to ($self) for values %cf::MAP;
1510	$self->clear;	2218	$self->clear;
1511	$self->in_memory (cf::MAP_SWAPPED);
1512	}	2219	}
1513		2220
1514	sub reset_at {	2221	sub reset_at {
1515	my ($self) = @_;	2222	my ($self) = @_;
1516		2223
1517	# TODO: safety, remove and allow resettable per-player maps	2224	# TODO: safety, remove and allow resettable per-player maps
1518	return 1e99 if $self->{path}{user_rel};
1519	return 1e99 if $self->{deny_reset};	2225	return 1e99 if $self->{deny_reset};
1520		2226
1521	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2227	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1522	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2228	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1523		2229
…		…
1528	my ($self) = @_;	2234	my ($self) = @_;
1529		2235
1530	$self->reset_at <= $cf::RUNTIME	2236	$self->reset_at <= $cf::RUNTIME
1531	}	2237	}
1532		2238
1533	sub unlink_save {
1534	my ($self) = @_;
1535
1536	utf8::encode (my $save = $self->{path}->save_path);
1537	aioreq_pri 3; IO::AIO::aio_unlink $save;
1538	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1539	}
1540
1541	sub rename {
1542	my ($self, $new_path) = @_;
1543
1544	$self->unlink_save;
1545
1546	delete $cf::MAP{$self->path};
1547	$self->{path} = new cf::path $new_path;
1548	$self->path ($self->{path}->as_string);
1549	$cf::MAP{$self->path} = $self;
1550
1551	$self->save;
1552	}
1553
1554	sub reset {	2239	sub reset {
1555	my ($self) = @_;	2240	my ($self) = @_;
1556		2241
1557	my $lock = cf::lock_acquire "map_data:" . $self->path;	2242	my $lock = cf::lock_acquire "map_data:$self->{path}";
1558		2243
1559	return if $self->players;	2244	return if $self->players;
1560	return if $self->{path}{user_rel};#d#
1561		2245
1562	warn "resetting map ", $self->path;#d#	2246	warn "resetting map ", $self->path, "\n";
		2247
		2248	$self->in_memory (cf::MAP_SWAPPED);
		2249
		2250	# need to save uniques path
		2251	unless ($self->{deny_save}) {
		2252	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2253
		2254	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2255	if $uniq;
		2256	}
1563		2257
1564	delete $cf::MAP{$self->path};	2258	delete $cf::MAP{$self->path};
1565		2259
		2260	$self->deactivate;
1566	$_->clear_links_to ($self) for values %cf::MAP;	2261	$_->clear_links_to ($self) for values %cf::MAP;
		2262	$self->clear;
1567		2263
1568	$self->unlink_save;	2264	$self->unlink_save;
1569	$self->destroy;	2265	$self->destroy;
1570	}	2266	}
1571		2267
1572	my $nuke_counter = "aaaa";	2268	my $nuke_counter = "aaaa";
1573		2269
1574	sub nuke {	2270	sub nuke {
1575	my ($self) = @_;	2271	my ($self) = @_;
1576		2272
		2273	{
		2274	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2275
		2276	delete $cf::MAP{$self->path};
		2277
		2278	$self->unlink_save;
		2279
		2280	bless $self, "cf::map";
		2281	delete $self->{deny_reset};
1577	$self->{deny_save} = 1;	2282	$self->{deny_save} = 1;
1578	$self->reset_timeout (1);	2283	$self->reset_timeout (1);
1579	$self->rename ("{nuke}/" . ($nuke_counter++));	2284	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2285
		2286	$cf::MAP{$self->path} = $self;
		2287	}
		2288
1580	$self->reset; # polite request, might not happen	2289	$self->reset; # polite request, might not happen
1581	}	2290	}
1582		2291
1583	sub customise_for {	2292	=item $maps = cf::map::tmp_maps
1584	my ($map, $ob) = @_;
1585		2293
1586	if ($map->per_player) {	2294	Returns an arrayref with all map paths of currently instantiated and saved
1587	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2295	maps. May block.
		2296
		2297	=cut
		2298
		2299	sub tmp_maps() {
1588	}	2300	[
1589		2301	map {
1590	$map	2302	utf8::decode $_;
		2303	/\.map$/
		2304	? normalise $_
		2305	: ()
		2306	} @{ aio_readdir $TMPDIR or [] }
		2307	]
1591	}	2308	}
1592		2309
1593	sub emergency_save {	2310	=item $maps = cf::map::random_maps
1594	my $freeze_guard = cf::freeze_mainloop;
1595		2311
1596	warn "enter emergency perl save\n";	2312	Returns an arrayref with all map paths of currently instantiated and saved
		2313	random maps. May block.
1597		2314
1598	cf::sync_job {	2315	=cut
1599	warn "begin emergency player save\n";
1600	$_->save for values %cf::PLAYER;
1601	warn "end emergency player save\n";
1602		2316
1603	warn "begin emergency map save\n";	2317	sub random_maps() {
1604	$_->save for values %cf::MAP;	2318	[
1605	warn "end emergency map save\n";	2319	map {
		2320	utf8::decode $_;
		2321	/\.map$/
		2322	? normalise "?random/$_"
		2323	: ()
		2324	} @{ aio_readdir $RANDOMDIR or [] }
		2325	]
		2326	}
		2327
		2328	=item cf::map::unique_maps
		2329
		2330	Returns an arrayref of paths of all shared maps that have
		2331	instantiated unique items. May block.
		2332
		2333	=cut
		2334
		2335	sub unique_maps() {
		2336	[
		2337	map {
		2338	utf8::decode $_;
		2339	s/\.map$//; # TODO future compatibility hack
		2340	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2341	? ()
		2342	: normalise $_
		2343	} @{ aio_readdir $UNIQUEDIR or [] }
		2344	]
		2345	}
		2346
		2347	=item cf::map::static_maps
		2348
		2349	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2350	file in the shared directory excluding F</styles> and F</editor>). May
		2351	block.
		2352
		2353	=cut
		2354
		2355	sub static_maps() {
		2356	my @dirs = "";
		2357	my @maps;
		2358
		2359	while (@dirs) {
		2360	my $dir = shift @dirs;
		2361
		2362	next if $dir eq "/styles" || $dir eq "/editor";
		2363
		2364	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2365	or return;
		2366
		2367	for (@$files) {
		2368	s/\.map$// or next;
		2369	utf8::decode $_;
		2370	push @maps, "$dir/$_";
		2371	}
		2372
		2373	push @dirs, map "$dir/$_", @$dirs;
1606	};	2374	}
1607		2375
1608	warn "leave emergency perl save\n";	2376	\@maps
		2377	}
		2378
		2379	=back
		2380
		2381	=head3 cf::object
		2382
		2383	=cut
		2384
		2385	package cf::object;
		2386
		2387	=over 4
		2388
		2389	=item $ob->inv_recursive
		2390
		2391	Returns the inventory of the object I<and> their inventories, recursively,
		2392	but I<not> the object itself.
		2393
		2394	=cut
		2395
		2396	sub inv_recursive_;
		2397	sub inv_recursive_ {
		2398	map { $_, inv_recursive_ $_->inv } @_
		2399	}
		2400
		2401	sub inv_recursive {
		2402	inv_recursive_ inv $_[0]
		2403	}
		2404
		2405	=item $ref = $ob->ref
		2406
		2407	Creates and returns a persistent reference to an object that can be stored as a string.
		2408
		2409	=item $ob = cf::object::deref ($refstring)
		2410
		2411	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2412	even if the object actually exists. May block.
		2413
		2414	=cut
		2415
		2416	sub deref {
		2417	my ($ref) = @_;
		2418
		2419	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2420	my ($uuid, $name) = ($1, $2);
		2421	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2422	or return;
		2423	$pl->ob->uuid eq $uuid
		2424	or return;
		2425
		2426	$pl->ob
		2427	} else {
		2428	warn "$ref: cannot resolve object reference\n";
		2429	undef
		2430	}
1609	}	2431	}
1610		2432
1611	package cf;	2433	package cf;
1612		2434
1613	=back	2435	=back
1614
1615		2436
1616	=head3 cf::object::player	2437	=head3 cf::object::player
1617		2438
1618	=over 4	2439	=over 4
1619		2440
…		…
1622	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2443	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1623	can be C<undef>. Does the right thing when the player is currently in a	2444	can be C<undef>. Does the right thing when the player is currently in a
1624	dialogue with the given NPC character.	2445	dialogue with the given NPC character.
1625		2446
1626	=cut	2447	=cut
		2448
		2449	our $SAY_CHANNEL = {
		2450	id => "say",
		2451	title => "Map",
		2452	reply => "say ",
		2453	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2454	};
		2455
		2456	our $CHAT_CHANNEL = {
		2457	id => "chat",
		2458	title => "Chat",
		2459	reply => "chat ",
		2460	tooltip => "Player chat and shouts, global to the server.",
		2461	};
1627		2462
1628	# rough implementation of a future "reply" method that works	2463	# rough implementation of a future "reply" method that works
1629	# with dialog boxes.	2464	# with dialog boxes.
1630	#TODO: the first argument must go, split into a $npc->reply_to ( method	2465	#TODO: the first argument must go, split into a $npc->reply_to ( method
1631	sub cf::object::player::reply($$$;$) {	2466	sub cf::object::player::reply($$$;$) {
…		…
1633		2468
1634	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2469	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1635		2470
1636	if ($self->{record_replies}) {	2471	if ($self->{record_replies}) {
1637	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2472	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2473
1638	} else {	2474	} else {
		2475	my $pl = $self->contr;
		2476
		2477	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2478	my $dialog = $pl->{npc_dialog};
		2479	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2480
		2481	} else {
1639	$msg = $npc->name . " says: $msg" if $npc;	2482	$msg = $npc->name . " says: $msg" if $npc;
1640	$self->message ($msg, $flags);	2483	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2484	}
1641	}	2485	}
		2486	}
		2487
		2488	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2489
		2490	=cut
		2491
		2492	sub cf::object::send_msg {
		2493	my $pl = shift->contr
		2494	or return;
		2495	$pl->send_msg (@_);
1642	}	2496	}
1643		2497
1644	=item $player_object->may ("access")	2498	=item $player_object->may ("access")
1645		2499
1646	Returns wether the given player is authorized to access resource "access"	2500	Returns wether the given player is authorized to access resource "access"
…		…
1659		2513
1660	=item $player_object->enter_link	2514	=item $player_object->enter_link
1661		2515
1662	Freezes the player and moves him/her to a special map (C<{link}>).	2516	Freezes the player and moves him/her to a special map (C<{link}>).
1663		2517
1664	The player should be reaosnably safe there for short amounts of time. You	2518	The player should be reasonably safe there for short amounts of time (e.g.
1665	I<MUST> call C<leave_link> as soon as possible, though.	2519	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2520	though, as the palyer cannot control the character while it is on the link
		2521	map.
		2522
		2523	Will never block.
1666		2524
1667	=item $player_object->leave_link ($map, $x, $y)	2525	=item $player_object->leave_link ($map, $x, $y)
1668		2526
1669	Moves the player out of the specila link map onto the given map. If the	2527	Moves the player out of the special C<{link}> map onto the specified
1670	map is not valid (or omitted), the player will be moved back to the	2528	map. If the map is not valid (or omitted), the player will be moved back
1671	location he/she was before the call to C<enter_link>, or, if that fails,	2529	to the location he/she was before the call to C<enter_link>, or, if that
1672	to the emergency map position.	2530	fails, to the emergency map position.
1673		2531
1674	Might block.	2532	Might block.
1675		2533
1676	=cut	2534	=cut
		2535
		2536	sub link_map {
		2537	unless ($LINK_MAP) {
		2538	$LINK_MAP = cf::map::find "{link}"
		2539	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2540	$LINK_MAP->load;
		2541	}
		2542
		2543	$LINK_MAP
		2544	}
1677		2545
1678	sub cf::object::player::enter_link {	2546	sub cf::object::player::enter_link {
1679	my ($self) = @_;	2547	my ($self) = @_;
1680		2548
1681	$self->deactivate_recursive;	2549	$self->deactivate_recursive;
1682		2550
1683	return if $self->map == $LINK_MAP;	2551	return if UNIVERSAL::isa $self->map, "ext::map_link";
1684		2552
1685	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2553	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1686	if $self->map;	2554	if $self->map && $self->map->{path} ne "{link}";
1687		2555
1688	$self->enter_map ($LINK_MAP, 20, 20);	2556	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1689	}	2557	}
1690		2558
1691	sub cf::object::player::leave_link {	2559	sub cf::object::player::leave_link {
1692	my ($self, $map, $x, $y) = @_;	2560	my ($self, $map, $x, $y) = @_;
		2561
		2562	return unless $self->contr->active;
1693		2563
1694	my $link_pos = delete $self->{_link_pos};	2564	my $link_pos = delete $self->{_link_pos};
1695		2565
1696	unless ($map) {	2566	unless ($map) {
1697	# restore original map position	2567	# restore original map position
…		…
1708	($x, $y) = (-1, -1)	2578	($x, $y) = (-1, -1)
1709	unless (defined $x) && (defined $y);	2579	unless (defined $x) && (defined $y);
1710		2580
1711	# use -1 or undef as default coordinates, not 0, 0	2581	# use -1 or undef as default coordinates, not 0, 0
1712	($x, $y) = ($map->enter_x, $map->enter_y)	2582	($x, $y) = ($map->enter_x, $map->enter_y)
1713	if $x <=0 && $y <= 0;	2583	if $x <= 0 && $y <= 0;
1714		2584
1715	$map->load;	2585	$map->load;
		2586	$map->load_neighbours;
1716		2587
1717	return unless $self->contr->active;	2588	return unless $self->contr->active;
		2589
		2590	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2591	$self->enter_map ($map, $x, $y);
		2592
		2593	# only activate afterwards, to support waiting in hooks
1718	$self->activate_recursive;	2594	$self->activate_recursive;
1719	$self->enter_map ($map, $x, $y);
1720	}	2595	}
1721		2596
1722	cf::player->attach (	2597	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1723	on_logout => sub {
1724	my ($pl) = @_;
1725		2598
1726	# abort map switching before logout	2599	Moves the player to the given map-path and coordinates by first freezing
1727	if ($pl->ob->{_link_pos}) {	2600	her, loading and preparing them map, calling the provided $check callback
1728	cf::sync_job {	2601	that has to return the map if sucecssful, and then unfreezes the player on
1729	$pl->ob->leave_link	2602	the new (success) or old (failed) map position. In either case, $done will
1730	};	2603	be called at the end of this process.
1731	}
1732	},
1733	on_login => sub {
1734	my ($pl) = @_;
1735		2604
1736	# try to abort aborted map switching on player login :)	2605	Note that $check will be called with a potentially non-loaded map, so if
1737	# should happen only on crashes	2606	it needs a loaded map it has to call C<< ->load >>.
1738	if ($pl->ob->{_link_pos}) {
1739	$pl->ob->enter_link;
1740	(async {
1741	# we need this sleep as the login has a concurrent enter_exit running
1742	# and this sleep increases chances of the player not ending up in scorn
1743	$pl->ob->reply (undef,
1744	"There was an internal problem at your last logout, "
1745	. "the server will try to bring you to your intended destination in a second.",
1746	cf::NDI_RED);
1747	Coro::Timer::sleep 1;
1748	$pl->ob->leave_link;
1749	})->prio (2);
1750	}
1751	},
1752	);
1753		2607
1754	=item $player_object->goto ($path, $x, $y)
1755
1756	=cut	2608	=cut
		2609
		2610	our $GOTOGEN;
1757		2611
1758	sub cf::object::player::goto {	2612	sub cf::object::player::goto {
1759	my ($self, $path, $x, $y) = @_;	2613	my ($self, $path, $x, $y, $check, $done) = @_;
1760		2614
1761	$path = new cf::path $path;	2615	# do generation counting so two concurrent goto's will be executed in-order
1762	$path ne "/" or Carp::cluck ("oy");#d#	2616	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1763		2617
1764	$self->enter_link;	2618	$self->enter_link;
1765		2619
1766	(async {	2620	(async {
1767	my $map = cf::map::find $path->as_string;	2621	$Coro::current->{desc} = "player::goto $path $x $y";
		2622
		2623	# *tag paths override both path and x|y
		2624	if ($path =~ /^\*(.*)$/) {
		2625	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2626	my $ob = $obs[rand @obs];
		2627
		2628	# see if we actually can go there
		2629	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2630	$ob = $obs[rand @obs];
		2631	} else {
		2632	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2633	}
		2634	# else put us there anyways for now #d#
		2635
		2636	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2637	} else {
		2638	($path, $x, $y) = (undef, undef, undef);
		2639	}
		2640	}
		2641
		2642	my $map = eval {
		2643	my $map = defined $path ? cf::map::find $path : undef;
		2644
		2645	if ($map) {
1768	$map = $map->customise_for ($self) if $map;	2646	$map = $map->customise_for ($self);
1769		2647	$map = $check->($map) if $check && $map;
1770	# warn "entering ", $map->path, " at ($x, $y)\n"	2648	} else {
1771	# if $map;
1772
1773	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2649	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2650	}
1774		2651
		2652	$map
		2653	};
		2654
		2655	if ($@) {
		2656	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2657	LOG llevError | logBacktrace, Carp::longmess $@;
		2658	}
		2659
		2660	if ($gen == $self->{_goto_generation}) {
		2661	delete $self->{_goto_generation};
1775	$self->leave_link ($map, $x, $y);	2662	$self->leave_link ($map, $x, $y);
		2663	}
		2664
		2665	$done->() if $done;
1776	})->prio (1);	2666	})->prio (1);
1777	}	2667	}
1778		2668
1779	=item $player_object->enter_exit ($exit_object)	2669	=item $player_object->enter_exit ($exit_object)
1780		2670
…		…
1782		2672
1783	sub parse_random_map_params {	2673	sub parse_random_map_params {
1784	my ($spec) = @_;	2674	my ($spec) = @_;
1785		2675
1786	my $rmp = { # defaults	2676	my $rmp = { # defaults
1787	xsize => 10,	2677	xsize => (cf::rndm 15, 40),
1788	ysize => 10,	2678	ysize => (cf::rndm 15, 40),
		2679	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2680	#layout => string,
1789	};	2681	};
1790		2682
1791	for (split /\n/, $spec) {	2683	for (split /\n/, $spec) {
1792	my ($k, $v) = split /\s+/, $_, 2;	2684	my ($k, $v) = split /\s+/, $_, 2;
1793		2685
…		…
1805	# that depends on the exit object	2697	# that depends on the exit object
1806		2698
1807	my $rmp = parse_random_map_params $exit->msg;	2699	my $rmp = parse_random_map_params $exit->msg;
1808		2700
1809	if ($exit->map) {	2701	if ($exit->map) {
1810	$rmp->{region} = $exit->map->region_name;	2702	$rmp->{region} = $exit->region->name;
1811	$rmp->{origin_map} = $exit->map->path;	2703	$rmp->{origin_map} = $exit->map->path;
1812	$rmp->{origin_x} = $exit->x;	2704	$rmp->{origin_x} = $exit->x;
1813	$rmp->{origin_y} = $exit->y;	2705	$rmp->{origin_y} = $exit->y;
		2706
		2707	$exit->map->touch;
1814	}	2708	}
1815		2709
1816	$rmp->{random_seed} ||= $exit->random_seed;	2710	$rmp->{random_seed} ||= $exit->random_seed;
1817		2711
1818	my $data = cf::to_json $rmp;	2712	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1819	my $md5 = Digest::MD5::md5_hex $data;	2713	my $md5 = Digest::MD5::md5_hex $data;
		2714	my $meta = "$RANDOMDIR/$md5.meta";
1820		2715
1821	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2716	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1822	aio_write $fh, 0, (length $data), $data, 0;	2717	aio_write $fh, 0, (length $data), $data, 0;
		2718	undef $fh;
		2719	aio_rename "$meta~", $meta;
1823		2720
		2721	my $slaying = "?random/$md5";
		2722
		2723	if ($exit->valid) {
1824	$exit->slaying ("?random/$md5");	2724	$exit->slaying ("?random/$md5");
1825	$exit->msg (undef);	2725	$exit->msg (undef);
		2726	}
1826	}	2727	}
1827	}	2728	}
1828		2729
1829	sub cf::object::player::enter_exit {	2730	sub cf::object::player::enter_exit {
1830	my ($self, $exit) = @_;	2731	my ($self, $exit) = @_;
…		…
1832	return unless $self->type == cf::PLAYER;	2733	return unless $self->type == cf::PLAYER;
1833		2734
1834	$self->enter_link;	2735	$self->enter_link;
1835		2736
1836	(async {	2737	(async {
1837	$self->deactivate_recursive; # just to be sure	2738	$Coro::current->{desc} = "enter_exit";
		2739
1838	unless (eval {	2740	unless (eval {
		2741	$self->deactivate_recursive; # just to be sure
		2742
		2743	# random map handling
		2744	{
		2745	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2746
1839	prepare_random_map $exit	2747	prepare_random_map $exit
1840	if $exit->slaying eq "/!";	2748	if $exit->slaying eq "/!";
		2749	}
1841		2750
1842	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2751	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1843	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2752	my $x = $exit->stats->hp;
		2753	my $y = $exit->stats->sp;
1844		2754
		2755	$self->goto ($map, $x, $y);
		2756
		2757	# if exit is damned, update players death & WoR home-position
		2758	$self->contr->savebed ($map, $x, $y)
		2759	if $exit->flag (cf::FLAG_DAMNED);
		2760
1845	1;	2761	1
1846	}) {	2762	}) {
1847	$self->message ("Something went wrong deep within the crossfire server. "	2763	$self->message ("Something went wrong deep within the deliantra server. "
1848	. "I'll try to bring you back to the map you were before. "	2764	. "I'll try to bring you back to the map you were before. "
1849	. "Please report this to the dungeon master",	2765	. "Please report this to the dungeon master!",
1850	cf::NDI_UNIQUE | cf::NDI_RED);	2766	cf::NDI_UNIQUE | cf::NDI_RED);
1851		2767
1852	warn "ERROR in enter_exit: $@";	2768	warn "ERROR in enter_exit: $@";
1853	$self->leave_link;	2769	$self->leave_link;
1854	}	2770	}
1855	})->prio (1);	2771	})->prio (1);
…		…
1868		2784
1869	sub cf::client::send_drawinfo {	2785	sub cf::client::send_drawinfo {
1870	my ($self, $text, $flags) = @_;	2786	my ($self, $text, $flags) = @_;
1871		2787
1872	utf8::encode $text;	2788	utf8::encode $text;
1873	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2789	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1874	}	2790	}
1875		2791
		2792	=item $client->send_big_packet ($pkt)
		2793
		2794	Like C<send_packet>, but tries to compress large packets, and fragments
		2795	them as required.
		2796
		2797	=cut
		2798
		2799	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2800
		2801	sub cf::client::send_big_packet {
		2802	my ($self, $pkt) = @_;
		2803
		2804	# try lzf for large packets
		2805	$pkt = "lzf " . Compress::LZF::compress $pkt
		2806	if 1024 <= length $pkt and $self->{can_lzf};
		2807
		2808	# split very large packets
		2809	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2810	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2811	$pkt = "frag";
		2812	}
		2813
		2814	$self->send_packet ($pkt);
		2815	}
		2816
		2817	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2818
		2819	Send a drawinfo or msg packet to the client, formatting the msg for the
		2820	client if neccessary. C<$type> should be a string identifying the type of
		2821	the message, with C<log> being the default. If C<$color> is negative, suppress
		2822	the message unless the client supports the msg packet.
		2823
		2824	=cut
		2825
		2826	# non-persistent channels (usually the info channel)
		2827	our %CHANNEL = (
		2828	"c/motd" => {
		2829	id => "infobox",
		2830	title => "MOTD",
		2831	reply => undef,
		2832	tooltip => "The message of the day",
		2833	},
		2834	"c/identify" => {
		2835	id => "infobox",
		2836	title => "Identify",
		2837	reply => undef,
		2838	tooltip => "Items recently identified",
		2839	},
		2840	"c/examine" => {
		2841	id => "infobox",
		2842	title => "Examine",
		2843	reply => undef,
		2844	tooltip => "Signs and other items you examined",
		2845	},
		2846	"c/shopinfo" => {
		2847	id => "infobox",
		2848	title => "Shop Info",
		2849	reply => undef,
		2850	tooltip => "What your bargaining skill tells you about the shop",
		2851	},
		2852	"c/book" => {
		2853	id => "infobox",
		2854	title => "Book",
		2855	reply => undef,
		2856	tooltip => "The contents of a note or book",
		2857	},
		2858	"c/lookat" => {
		2859	id => "infobox",
		2860	title => "Look",
		2861	reply => undef,
		2862	tooltip => "What you saw there",
		2863	},
		2864	"c/who" => {
		2865	id => "infobox",
		2866	title => "Players",
		2867	reply => undef,
		2868	tooltip => "Shows players who are currently online",
		2869	},
		2870	"c/body" => {
		2871	id => "infobox",
		2872	title => "Body Parts",
		2873	reply => undef,
		2874	tooltip => "Shows which body parts you posess and are available",
		2875	},
		2876	"c/statistics" => {
		2877	id => "infobox",
		2878	title => "Statistics",
		2879	reply => undef,
		2880	tooltip => "Shows your primary statistics",
		2881	},
		2882	"c/skills" => {
		2883	id => "infobox",
		2884	title => "Skills",
		2885	reply => undef,
		2886	tooltip => "Shows your experience per skill and item power",
		2887	},
		2888	"c/shopitems" => {
		2889	id => "infobox",
		2890	title => "Shop Items",
		2891	reply => undef,
		2892	tooltip => "Shows the items currently for sale in this shop",
		2893	},
		2894	"c/resistances" => {
		2895	id => "infobox",
		2896	title => "Resistances",
		2897	reply => undef,
		2898	tooltip => "Shows your resistances",
		2899	},
		2900	"c/pets" => {
		2901	id => "infobox",
		2902	title => "Pets",
		2903	reply => undef,
		2904	tooltip => "Shows information abotu your pets/a specific pet",
		2905	},
		2906	"c/perceiveself" => {
		2907	id => "infobox",
		2908	title => "Perceive Self",
		2909	reply => undef,
		2910	tooltip => "You gained detailed knowledge about yourself",
		2911	},
		2912	"c/uptime" => {
		2913	id => "infobox",
		2914	title => "Uptime",
		2915	reply => undef,
		2916	tooltip => "How long the server has been running since last restart",
		2917	},
		2918	"c/mapinfo" => {
		2919	id => "infobox",
		2920	title => "Map Info",
		2921	reply => undef,
		2922	tooltip => "Information related to the maps",
		2923	},
		2924	"c/party" => {
		2925	id => "party",
		2926	title => "Party",
		2927	reply => "gsay ",
		2928	tooltip => "Messages and chat related to your party",
		2929	},
		2930	"c/death" => {
		2931	id => "death",
		2932	title => "Death",
		2933	reply => undef,
		2934	tooltip => "Reason for and more info about your most recent death",
		2935	},
		2936	"c/say" => $SAY_CHANNEL,
		2937	"c/chat" => $CHAT_CHANNEL,
		2938	);
		2939
		2940	sub cf::client::send_msg {
		2941	my ($self, $channel, $msg, $color, @extra) = @_;
		2942
		2943	$msg = $self->pl->expand_cfpod ($msg)
		2944	unless $color & cf::NDI_VERBATIM;
		2945
		2946	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2947
		2948	# check predefined channels, for the benefit of C
		2949	if ($CHANNEL{$channel}) {
		2950	$channel = $CHANNEL{$channel};
		2951
		2952	$self->ext_msg (channel_info => $channel);
		2953	$channel = $channel->{id};
		2954
		2955	} elsif (ref $channel) {
		2956	# send meta info to client, if not yet sent
		2957	unless (exists $self->{channel}{$channel->{id}}) {
		2958	$self->{channel}{$channel->{id}} = $channel;
		2959	$self->ext_msg (channel_info => $channel);
		2960	}
		2961
		2962	$channel = $channel->{id};
		2963	}
		2964
		2965	return unless @extra || length $msg;
		2966
		2967	# default colour, mask it out
		2968	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2969	if $color & cf::NDI_DEF;
		2970
		2971	my $pkt = "msg "
		2972	. $self->{json_coder}->encode (
		2973	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2974	);
		2975
		2976	$self->send_big_packet ($pkt);
		2977	}
		2978
		2979	=item $client->ext_msg ($type, @msg)
		2980
		2981	Sends an ext event to the client.
		2982
		2983	=cut
		2984
		2985	sub cf::client::ext_msg($$@) {
		2986	my ($self, $type, @msg) = @_;
		2987
		2988	if ($self->extcmd == 2) {
		2989	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2990	} elsif ($self->extcmd == 1) { # TODO: remove
		2991	push @msg, msgtype => "event_$type";
		2992	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2993	}
		2994	}
		2995
		2996	=item $client->ext_reply ($msgid, @msg)
		2997
		2998	Sends an ext reply to the client.
		2999
		3000	=cut
		3001
		3002	sub cf::client::ext_reply($$@) {
		3003	my ($self, $id, @msg) = @_;
		3004
		3005	if ($self->extcmd == 2) {
		3006	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3007	} elsif ($self->extcmd == 1) {
		3008	#TODO: version 1, remove
		3009	unshift @msg, msgtype => "reply", msgid => $id;
		3010	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3011	}
		3012	}
1876		3013
1877	=item $success = $client->query ($flags, "text", \&cb)	3014	=item $success = $client->query ($flags, "text", \&cb)
1878		3015
1879	Queues a query to the client, calling the given callback with	3016	Queues a query to the client, calling the given callback with
1880	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3017	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1881	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3018	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1882		3019
1883	Queries can fail, so check the return code. Or don't, as queries will become	3020	Queries can fail, so check the return code. Or don't, as queries will
1884	reliable at some point in the future.	3021	become reliable at some point in the future.
1885		3022
1886	=cut	3023	=cut
1887		3024
1888	sub cf::client::query {	3025	sub cf::client::query {
1889	my ($self, $flags, $text, $cb) = @_;	3026	my ($self, $flags, $text, $cb) = @_;
…		…
1897	utf8::encode $text;	3034	utf8::encode $text;
1898	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3035	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1899		3036
1900	$self->send_packet ($self->{query_queue}[0][0])	3037	$self->send_packet ($self->{query_queue}[0][0])
1901	if @{ $self->{query_queue} } == 1;	3038	if @{ $self->{query_queue} } == 1;
		3039
		3040	1
1902	}	3041	}
1903		3042
1904	cf::client->attach (	3043	cf::client->attach (
		3044	on_connect => sub {
		3045	my ($ns) = @_;
		3046
		3047	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3048	},
1905	on_reply => sub {	3049	on_reply => sub {
1906	my ($ns, $msg) = @_;	3050	my ($ns, $msg) = @_;
1907		3051
1908	# this weird shuffling is so that direct followup queries	3052	# this weird shuffling is so that direct followup queries
1909	# get handled first	3053	# get handled first
1910	my $queue = delete $ns->{query_queue}	3054	my $queue = delete $ns->{query_queue}
1911	or return; # be conservative, not sure how that can happen, but we saw a crash here	3055	or return; # be conservative, not sure how that can happen, but we saw a crash here
1912		3056
1913	(shift @$queue)->[1]->($msg);	3057	(shift @$queue)->[1]->($msg);
		3058	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1914		3059
1915	push @{ $ns->{query_queue} }, @$queue;	3060	push @{ $ns->{query_queue} }, @$queue;
1916		3061
1917	if (@{ $ns->{query_queue} } == @$queue) {	3062	if (@{ $ns->{query_queue} } == @$queue) {
1918	if (@$queue) {	3063	if (@$queue) {
…		…
1920	} else {	3065	} else {
1921	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3066	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1922	}	3067	}
1923	}	3068	}
1924	},	3069	},
		3070	on_exticmd => sub {
		3071	my ($ns, $buf) = @_;
		3072
		3073	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3074
		3075	if (ref $msg) {
		3076	my ($type, $reply, @payload) =
		3077	"ARRAY" eq ref $msg
		3078	? @$msg
		3079	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3080
		3081	my @reply;
		3082
		3083	if (my $cb = $EXTICMD{$type}) {
		3084	@reply = $cb->($ns, @payload);
		3085	}
		3086
		3087	$ns->ext_reply ($reply, @reply)
		3088	if $reply;
		3089
		3090	} else {
		3091	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3092	}
		3093
		3094	cf::override;
		3095	},
1925	);	3096	);
1926		3097
1927	=item $client->async (\&cb)	3098	=item $client->async (\&cb)
1928		3099
1929	Create a new coroutine, running the specified callback. The coroutine will	3100	Create a new coroutine, running the specified callback. The coroutine will
…		…
1970	our $safe = new Safe "safe";	3141	our $safe = new Safe "safe";
1971	our $safe_hole = new Safe::Hole;	3142	our $safe_hole = new Safe::Hole;
1972		3143
1973	$SIG{FPE} = 'IGNORE';	3144	$SIG{FPE} = 'IGNORE';
1974		3145
1975	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3146	$safe->permit_only (Opcode::opset qw(
		3147	:base_core :base_mem :base_orig :base_math
		3148	grepstart grepwhile mapstart mapwhile
		3149	sort time
		3150	));
1976		3151
1977	# here we export the classes and methods available to script code	3152	# here we export the classes and methods available to script code
1978		3153
1979	=pod	3154	=pod
1980		3155
1981	The following fucntions and emthods are available within a safe environment:	3156	The following functions and methods are available within a safe environment:
1982		3157
1983	cf::object contr pay_amount pay_player map	3158	cf::object
		3159	contr pay_amount pay_player map x y force_find force_add destroy
		3160	insert remove name archname title slaying race decrease split
		3161	value
		3162
1984	cf::object::player player	3163	cf::object::player
1985	cf::player peaceful	3164	player
1986	cf::map trigger	3165
		3166	cf::player
		3167	peaceful
		3168
		3169	cf::map
		3170	trigger
1987		3171
1988	=cut	3172	=cut
1989		3173
1990	for (	3174	for (
1991	["cf::object" => qw(contr pay_amount pay_player map)],	3175	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3176	insert remove inv nrof name archname title slaying race
		3177	decrease split destroy change_exp value msg lore send_msg)],
1992	["cf::object::player" => qw(player)],	3178	["cf::object::player" => qw(player)],
1993	["cf::player" => qw(peaceful)],	3179	["cf::player" => qw(peaceful send_msg)],
1994	["cf::map" => qw(trigger)],	3180	["cf::map" => qw(trigger)],
1995	) {	3181	) {
1996	no strict 'refs';	3182	no strict 'refs';
1997	my ($pkg, @funs) = @$_;	3183	my ($pkg, @funs) = @$_;
1998	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3184	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2015	my ($code, %vars) = @_;	3201	my ($code, %vars) = @_;
2016		3202
2017	my $qcode = $code;	3203	my $qcode = $code;
2018	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3204	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2019	$qcode =~ s/\n/\\n/g;	3205	$qcode =~ s/\n/\\n/g;
		3206
		3207	%vars = (_dummy => 0) unless %vars;
2020		3208
2021	local $_;	3209	local $_;
2022	local @safe::cf::_safe_eval_args = values %vars;	3210	local @safe::cf::_safe_eval_args = values %vars;
2023		3211
2024	my $eval =	3212	my $eval =
…		…
2067	=back	3255	=back
2068		3256
2069	=cut	3257	=cut
2070		3258
2071	#############################################################################	3259	#############################################################################
		3260	# the server's init and main functions
2072		3261
2073	=head2 EXTENSION DATABASE SUPPORT	3262	sub load_facedata($) {
		3263	my ($path) = @_;
2074		3264
2075	Crossfire maintains a very simple database for extension use. It can	3265	# HACK to clear player env face cache, we need some signal framework
2076	currently store anything that can be serialised using Storable, which	3266	# for this (global event?)
2077	excludes objects.	3267	%ext::player_env::MUSIC_FACE_CACHE = ();
2078		3268
2079	The parameter C<$family> should best start with the name of the extension	3269	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2080	using it, it should be unique.
2081		3270
2082	=over 4	3271	warn "loading facedata from $path\n";
2083		3272
2084	=item $hashref = cf::db_get $family	3273	my $facedata;
		3274	0 < aio_load $path, $facedata
		3275	or die "$path: $!";
2085		3276
2086	Return a hashref for use by the extension C<$family>, which can be	3277	$facedata = Coro::Storable::thaw $facedata;
2087	modified. After modifications, you have to call C<cf::db_dirty> or
2088	C<cf::db_sync>.
2089		3278
2090	=item $value = cf::db_get $family => $key	3279	$facedata->{version} == 2
		3280	or cf::cleanup "$path: version mismatch, cannot proceed.";
2091		3281
2092	Returns a single value from the database	3282	# patch in the exptable
2093		3283	$facedata->{resource}{"res/exp_table"} = {
2094	=item cf::db_put $family => $hashref	3284	type => FT_RSRC,
2095		3285	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2096	Stores the given family hashref into the database. Updates are delayed, if
2097	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2098
2099	=item cf::db_put $family => $key => $value
2100
2101	Stores the given C<$value> in the family hash. Updates are delayed, if you
2102	want the data to be synced to disk immediately, use C<cf::db_sync>.
2103
2104	=item cf::db_dirty
2105
2106	Marks the database as dirty, to be updated at a later time.
2107
2108	=item cf::db_sync
2109
2110	Immediately write the database to disk I<if it is dirty>.
2111
2112	=cut
2113
2114	our $DB;
2115
2116	{
2117	my $path = cf::localdir . "/database.pst";
2118
2119	sub db_load() {
2120	$DB = stat $path ? Storable::retrieve $path : { };
2121	}
2122
2123	my $pid;
2124
2125	sub db_save() {
2126	waitpid $pid, 0 if $pid;
2127	if (0 == ($pid = fork)) {
2128	$DB->{_meta}{version} = 1;
2129	Storable::nstore $DB, "$path~";
2130	rename "$path~", $path;
2131	cf::_exit 0 if defined $pid;
2132	}
2133	}
2134
2135	my $dirty;
2136
2137	sub db_sync() {
2138	db_save if $dirty;
2139	undef $dirty;
2140	}
2141
2142	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2143	db_sync;
2144	});	3286	};
		3287	cf::cede_to_tick;
2145		3288
2146	sub db_dirty() {
2147	$dirty = 1;
2148	$idle->start;
2149	}	3289	{
		3290	my $faces = $facedata->{faceinfo};
2150		3291
2151	sub db_get($;$) {	3292	while (my ($face, $info) = each %$faces) {
2152	@_ >= 2	3293	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2153	? $DB->{$_[0]}{$_[1]}
2154	: ($DB->{$_[0]} ||= { })
2155	}
2156		3294
2157	sub db_put($$;$) {	3295	cf::face::set_visibility $idx, $info->{visibility};
2158	if (@_ >= 3) {	3296	cf::face::set_magicmap $idx, $info->{magicmap};
2159	$DB->{$_[0]}{$_[1]} = $_[2];	3297	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2160	} else {	3298	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2161	$DB->{$_[0]} = $_[1];
2162	}
2163	db_dirty;
2164	}
2165		3299
2166	cf::global->attach (	3300	cf::cede_to_tick;
2167	prio => 10000,
2168	on_cleanup => sub {
2169	db_sync;
2170	},	3301	}
2171	);
2172	}
2173		3302
2174	#############################################################################	3303	while (my ($face, $info) = each %$faces) {
2175	# the server's main()	3304	next unless $info->{smooth};
2176		3305
2177	sub cfg_load {	3306	my $idx = cf::face::find $face
		3307	or next;
		3308
		3309	if (my $smooth = cf::face::find $info->{smooth}) {
		3310	cf::face::set_smooth $idx, $smooth;
		3311	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3312	} else {
		3313	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3314	}
		3315
		3316	cf::cede_to_tick;
		3317	}
		3318	}
		3319
		3320	{
		3321	my $anims = $facedata->{animinfo};
		3322
		3323	while (my ($anim, $info) = each %$anims) {
		3324	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3325	cf::cede_to_tick;
		3326	}
		3327
		3328	cf::anim::invalidate_all; # d'oh
		3329	}
		3330
		3331	{
		3332	# TODO: for gcfclient pleasure, we should give resources
		3333	# that gcfclient doesn't grok a >10000 face index.
		3334	my $res = $facedata->{resource};
		3335
		3336	while (my ($name, $info) = each %$res) {
		3337	if (defined $info->{type}) {
		3338	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3339	my $data;
		3340
		3341	if ($info->{type} & 1) {
		3342	# prepend meta info
		3343
		3344	my $meta = $enc->encode ({
		3345	name => $name,
		3346	%{ $info->{meta} || {} },
		3347	});
		3348
		3349	$data = pack "(w/a*)*", $meta, $info->{data};
		3350	} else {
		3351	$data = $info->{data};
		3352	}
		3353
		3354	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3355	cf::face::set_type $idx, $info->{type};
		3356	} else {
		3357	$RESOURCE{$name} = $info;
		3358	}
		3359
		3360	cf::cede_to_tick;
		3361	}
		3362	}
		3363
		3364	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3365
		3366	1
		3367	}
		3368
		3369	cf::global->attach (on_resource_update => sub {
		3370	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3371	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3372
		3373	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3374	my $sound = $soundconf->{compat}[$_]
		3375	or next;
		3376
		3377	my $face = cf::face::find "sound/$sound->[1]";
		3378	cf::sound::set $sound->[0] => $face;
		3379	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3380	}
		3381
		3382	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3383	my $face = cf::face::find "sound/$v";
		3384	cf::sound::set $k => $face;
		3385	}
		3386	}
		3387	});
		3388
		3389	register_exticmd fx_want => sub {
		3390	my ($ns, $want) = @_;
		3391
		3392	while (my ($k, $v) = each %$want) {
		3393	$ns->fx_want ($k, $v);
		3394	}
		3395	};
		3396
		3397	sub load_resource_file($) {
		3398	my $guard = lock_acquire "load_resource_file";
		3399
		3400	my $status = load_resource_file_ $_[0];
		3401	get_slot 0.1, 100;
		3402	cf::arch::commit_load;
		3403
		3404	$status
		3405	}
		3406
		3407	sub reload_regions {
		3408	# HACK to clear player env face cache, we need some signal framework
		3409	# for this (global event?)
		3410	%ext::player_env::MUSIC_FACE_CACHE = ();
		3411
		3412	load_resource_file "$MAPDIR/regions"
		3413	or die "unable to load regions file\n";
		3414
		3415	for (cf::region::list) {
		3416	$_->{match} = qr/$_->{match}/
		3417	if exists $_->{match};
		3418	}
		3419	}
		3420
		3421	sub reload_facedata {
		3422	load_facedata "$DATADIR/facedata"
		3423	or die "unable to load facedata\n";
		3424	}
		3425
		3426	sub reload_archetypes {
		3427	load_resource_file "$DATADIR/archetypes"
		3428	or die "unable to load archetypes\n";
		3429	}
		3430
		3431	sub reload_treasures {
		3432	load_resource_file "$DATADIR/treasures"
		3433	or die "unable to load treasurelists\n";
		3434	}
		3435
		3436	sub reload_resources {
		3437	warn "reloading resource files...\n";
		3438
		3439	reload_facedata;
		3440	reload_archetypes;
		3441	reload_regions;
		3442	reload_treasures;
		3443
		3444	warn "finished reloading resource files\n";
		3445	}
		3446
		3447	sub reload_config {
		3448	warn "reloading config file...\n";
		3449
2178	open my $fh, "<:utf8", cf::confdir . "/config"	3450	open my $fh, "<:utf8", "$CONFDIR/config"
2179	or return;	3451	or return;
2180		3452
2181	local $/;	3453	local $/;
2182	*CFG = YAML::Syck::Load <$fh>;	3454	*CFG = YAML::XS::Load scalar <$fh>;
2183		3455
2184	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3456	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2185		3457
2186	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3458	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2187	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3459	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2191	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3463	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2192	and die "WARNING: m(un)lockall failed: $!\n";	3464	and die "WARNING: m(un)lockall failed: $!\n";
2193	};	3465	};
2194	warn $@ if $@;	3466	warn $@ if $@;
2195	}	3467	}
		3468
		3469	warn "finished reloading resource files\n";
		3470	}
		3471
		3472	sub pidfile() {
		3473	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3474	or die "$PIDFILE: $!";
		3475	flock $fh, &Fcntl::LOCK_EX
		3476	or die "$PIDFILE: flock: $!";
		3477	$fh
		3478	}
		3479
		3480	# make sure only one server instance is running at any one time
		3481	sub atomic {
		3482	my $fh = pidfile;
		3483
		3484	my $pid = <$fh>;
		3485	kill 9, $pid if $pid > 0;
		3486
		3487	seek $fh, 0, 0;
		3488	print $fh $$;
		3489	}
		3490
		3491	sub main_loop {
		3492	warn "EV::loop starting\n";
		3493	if (1) {
		3494	EV::loop;
		3495	}
		3496	warn "EV::loop returned\n";
		3497	goto &main_loop unless $REALLY_UNLOOP;
2196	}	3498	}
2197		3499
2198	sub main {	3500	sub main {
		3501	cf::init_globals; # initialise logging
		3502
		3503	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3504	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3505	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3506	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3507
		3508	cf::init_experience;
		3509	cf::init_anim;
		3510	cf::init_attackmess;
		3511	cf::init_dynamic;
		3512
		3513	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3514
2199	# we must not ever block the main coroutine	3515	# we must not ever block the main coroutine
2200	local $Coro::idle = sub {	3516	local $Coro::idle = sub {
2201	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3517	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2202	async { Event::one_event };	3518	(async {
		3519	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3520	EV::loop EV::LOOP_ONESHOT;
		3521	})->prio (Coro::PRIO_MAX);
2203	};	3522	};
2204		3523
2205	cfg_load;	3524	evthread_start IO::AIO::poll_fileno;
2206	db_load;	3525
		3526	cf::sync_job {
		3527	reload_resources;
		3528	reload_config;
		3529	db_init;
		3530
		3531	cf::load_settings;
		3532	cf::load_materials;
		3533	cf::init_uuid;
		3534	cf::init_signals;
		3535	cf::init_commands;
		3536	cf::init_skills;
		3537
		3538	cf::init_beforeplay;
		3539
		3540	atomic;
		3541
2207	load_extensions;	3542	load_extensions;
2208	Event::loop;	3543
		3544	utime time, time, $RUNTIMEFILE;
		3545
		3546	# no (long-running) fork's whatsoever before this point(!)
		3547	use POSIX ();
		3548	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3549
		3550	(pop @POST_INIT)->(0) while @POST_INIT;
		3551	};
		3552
		3553	main_loop;
2209	}	3554	}
2210		3555
2211	#############################################################################	3556	#############################################################################
2212	# initialisation	3557	# initialisation and cleanup
2213		3558
		3559	# install some emergency cleanup handlers
		3560	BEGIN {
		3561	our %SIGWATCHER = ();
		3562	for my $signal (qw(INT HUP TERM)) {
		3563	$SIGWATCHER{$signal} = EV::signal $signal, sub {
		3564	cf::cleanup "SIG$signal";
		3565	};
		3566	}
		3567	}
		3568
		3569	sub write_runtime_sync {
		3570	# first touch the runtime file to show we are still running:
		3571	# the fsync below can take a very very long time.
		3572
		3573	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3574
		3575	my $guard = cf::lock_acquire "write_runtime";
		3576
		3577	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3578	or return;
		3579
		3580	my $value = $cf::RUNTIME + 90 + 10;
		3581	# 10 is the runtime save interval, for a monotonic clock
		3582	# 60 allows for the watchdog to kill the server.
		3583
		3584	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3585	and return;
		3586
		3587	# always fsync - this file is important
		3588	aio_fsync $fh
		3589	and return;
		3590
		3591	# touch it again to show we are up-to-date
		3592	aio_utime $fh, undef, undef;
		3593
		3594	close $fh
		3595	or return;
		3596
		3597	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3598	and return;
		3599
		3600	warn "runtime file written.\n";
		3601
		3602	1
		3603	}
		3604
		3605	our $uuid_lock;
		3606	our $uuid_skip;
		3607
		3608	sub write_uuid_sync($) {
		3609	$uuid_skip ||= $_[0];
		3610
		3611	return if $uuid_lock;
		3612	local $uuid_lock = 1;
		3613
		3614	my $uuid = "$LOCALDIR/uuid";
		3615
		3616	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3617	or return;
		3618
		3619	my $value = uuid_seq uuid_cur;
		3620
		3621	unless ($value) {
		3622	warn "cowardly refusing to write zero uuid value!\n";
		3623	return;
		3624	}
		3625
		3626	my $value = uuid_str $value + $uuid_skip;
		3627	$uuid_skip = 0;
		3628
		3629	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3630	and return;
		3631
		3632	# always fsync - this file is important
		3633	aio_fsync $fh
		3634	and return;
		3635
		3636	close $fh
		3637	or return;
		3638
		3639	aio_rename "$uuid~", $uuid
		3640	and return;
		3641
		3642	warn "uuid file written ($value).\n";
		3643
		3644	1
		3645
		3646	}
		3647
		3648	sub write_uuid($$) {
		3649	my ($skip, $sync) = @_;
		3650
		3651	$sync ? write_uuid_sync $skip
		3652	: async { write_uuid_sync $skip };
		3653	}
		3654
		3655	sub emergency_save() {
		3656	my $freeze_guard = cf::freeze_mainloop;
		3657
		3658	warn "emergency_perl_save: enter\n";
		3659
		3660	cf::sync_job {
		3661	# this is a trade-off: we want to be very quick here, so
		3662	# save all maps without fsync, and later call a global sync
		3663	# (which in turn might be very very slow)
		3664	local $USE_FSYNC = 0;
		3665
		3666	# use a peculiar iteration method to avoid tripping on perl
		3667	# refcount bugs in for. also avoids problems with players
		3668	# and maps saved/destroyed asynchronously.
		3669	warn "emergency_perl_save: begin player save\n";
		3670	for my $login (keys %cf::PLAYER) {
		3671	my $pl = $cf::PLAYER{$login} or next;
		3672	$pl->valid or next;
		3673	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
		3674	$pl->save;
		3675	}
		3676	warn "emergency_perl_save: end player save\n";
		3677
		3678	warn "emergency_perl_save: begin map save\n";
		3679	for my $path (keys %cf::MAP) {
		3680	my $map = $cf::MAP{$path} or next;
		3681	$map->valid or next;
		3682	$map->save;
		3683	}
		3684	warn "emergency_perl_save: end map save\n";
		3685
		3686	warn "emergency_perl_save: begin database checkpoint\n";
		3687	BDB::db_env_txn_checkpoint $DB_ENV;
		3688	warn "emergency_perl_save: end database checkpoint\n";
		3689
		3690	warn "emergency_perl_save: begin write uuid\n";
		3691	write_uuid_sync 1;
		3692	warn "emergency_perl_save: end write uuid\n";
		3693	};
		3694
		3695	warn "emergency_perl_save: starting sync()\n";
		3696	IO::AIO::aio_sync sub {
		3697	warn "emergency_perl_save: finished sync()\n";
		3698	};
		3699
		3700	warn "emergency_perl_save: leave\n";
		3701	}
		3702
		3703	sub post_cleanup {
		3704	my ($make_core) = @_;
		3705
		3706	warn Carp::longmess "post_cleanup backtrace"
		3707	if $make_core;
		3708
		3709	my $fh = pidfile;
		3710	unlink $PIDFILE if <$fh> == $$;
		3711	}
		3712
		3713	# a safer delete_package, copied from Symbol
		3714	sub clear_package($) {
		3715	my $pkg = shift;
		3716
		3717	# expand to full symbol table name if needed
		3718	unless ($pkg =~ /^main::.*::$/) {
		3719	$pkg = "main$pkg" if $pkg =~ /^::/;
		3720	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3721	$pkg .= '::' unless $pkg =~ /::$/;
		3722	}
		3723
		3724	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3725	my $stem_symtab = *{$stem}{HASH};
		3726
		3727	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3728	or return;
		3729
		3730	# clear all symbols
		3731	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3732	for my $name (keys %$leaf_symtab) {
		3733	_gv_clear *{"$pkg$name"};
		3734	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3735	}
		3736	warn "cleared package $pkg\n";#d#
		3737	}
		3738
2214	sub reload() {	3739	sub do_reload_perl() {
2215	# can/must only be called in main	3740	# can/must only be called in main
2216	if ($Coro::current != $Coro::main) {	3741	if ($Coro::current != $Coro::main) {
2217	warn "can only reload from main coroutine\n";	3742	warn "can only reload from main coroutine";
2218	return;	3743	return;
2219	}	3744	}
2220		3745
		3746	return if $RELOAD++;
		3747
		3748	my $t1 = EV::time;
		3749
		3750	while ($RELOAD) {
2221	warn "reloading...";	3751	warn "reloading...";
2222		3752
2223	my $guard = freeze_mainloop;	3753	warn "entering sync_job";
		3754
		3755	cf::sync_job {
		3756	cf::write_runtime_sync; # external watchdog should not bark
2224	cf::emergency_save;	3757	cf::emergency_save;
		3758	cf::write_runtime_sync; # external watchdog should not bark
2225		3759
2226	eval {	3760	warn "syncing database to disk";
		3761	BDB::db_env_txn_checkpoint $DB_ENV;
		3762
2227	# if anything goes wrong in here, we should simply crash as we already saved	3763	# if anything goes wrong in here, we should simply crash as we already saved
2228		3764
2229	# cancel all watchers	3765	warn "flushing outstanding aio requests";
2230	for (Event::all_watchers) {	3766	while (IO::AIO::nreqs || BDB::nreqs) {
2231	$_->cancel if $_->data & WF_AUTOCANCEL;	3767	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2232	}
2233
2234	# cancel all extension coros
2235	$_->cancel for values %EXT_CORO;
2236	%EXT_CORO = ();
2237
2238	# unload all extensions
2239	for (@exts) {
2240	warn "unloading <$_>";
2241	unload_extension $_;
2242	}
2243
2244	# unload all modules loaded from $LIBDIR
2245	while (my ($k, $v) = each %INC) {
2246	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2247
2248	warn "removing <$k>";
2249	delete $INC{$k};
2250
2251	$k =~ s/\.pm$//;
2252	$k =~ s/\//::/g;
2253
2254	if (my $cb = $k->can ("unload_module")) {
2255	$cb->();
2256	}	3768	}
2257		3769
2258	Symbol::delete_package $k;	3770	warn "cancelling all extension coros";
		3771	$_->cancel for values %EXT_CORO;
		3772	%EXT_CORO = ();
		3773
		3774	warn "removing commands";
		3775	%COMMAND = ();
		3776
		3777	warn "removing ext/exti commands";
		3778	%EXTCMD = ();
		3779	%EXTICMD = ();
		3780
		3781	warn "unloading/nuking all extensions";
		3782	for my $pkg (@EXTS) {
		3783	warn "... unloading $pkg";
		3784
		3785	if (my $cb = $pkg->can ("unload")) {
		3786	eval {
		3787	$cb->($pkg);
		3788	1
		3789	} or warn "$pkg unloaded, but with errors: $@";
		3790	}
		3791
		3792	warn "... clearing $pkg";
		3793	clear_package $pkg;
2259	}	3794	}
2260		3795
2261	# sync database to disk	3796	warn "unloading all perl modules loaded from $LIBDIR";
2262	cf::db_sync;	3797	while (my ($k, $v) = each %INC) {
2263	IO::AIO::flush;	3798	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2264		3799
		3800	warn "... unloading $k";
		3801	delete $INC{$k};
		3802
		3803	$k =~ s/\.pm$//;
		3804	$k =~ s/\//::/g;
		3805
		3806	if (my $cb = $k->can ("unload_module")) {
		3807	$cb->();
		3808	}
		3809
		3810	clear_package $k;
		3811	}
		3812
2265	# get rid of safe::, as good as possible	3813	warn "getting rid of safe::, as good as possible";
2266	Symbol::delete_package "safe::$_"	3814	clear_package "safe::$_"
2267	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3815	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2268		3816
2269	# remove register_script_function callbacks	3817	warn "unloading cf.pm \"a bit\"";
2270	# TODO
2271
2272	# unload cf.pm "a bit"
2273	delete $INC{"cf.pm"};	3818	delete $INC{"cf.pm"};
		3819	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2274		3820
2275	# don't, removes xs symbols, too,	3821	# don't, removes xs symbols, too,
2276	# and global variables created in xs	3822	# and global variables created in xs
2277	#Symbol::delete_package __PACKAGE__;	3823	#clear_package __PACKAGE__;
2278		3824
2279	# reload cf.pm	3825	warn "unload completed, starting to reload now";
		3826
2280	warn "reloading cf.pm";	3827	warn "reloading cf.pm";
2281	require cf;	3828	require cf;
2282	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3829	cf::_connect_to_perl_1;
2283		3830
2284	# load config and database again	3831	warn "loading config and database again";
2285	cf::cfg_load;	3832	cf::reload_config;
2286	cf::db_load;
2287		3833
2288	# load extensions
2289	warn "load extensions";	3834	warn "loading extensions";
2290	cf::load_extensions;	3835	cf::load_extensions;
2291		3836
2292	# reattach attachments to objects	3837	if ($REATTACH_ON_RELOAD) {
2293	warn "reattach";	3838	warn "reattaching attachments to objects/players";
2294	_global_reattach;	3839	_global_reattach; # objects, sockets
		3840	warn "reattaching attachments to maps";
2295	reattach $_ for values %MAP;	3841	reattach $_ for values %MAP;
		3842	warn "reattaching attachments to players";
		3843	reattach $_ for values %PLAYER;
		3844	}
		3845
		3846	warn "running post_init jobs";
		3847	(pop @POST_INIT)->(1) while @POST_INIT;
		3848
		3849	warn "leaving sync_job";
		3850
		3851	1
		3852	} or do {
		3853	warn $@;
		3854	cf::cleanup "error while reloading, exiting.";
		3855	};
		3856
		3857	warn "reloaded";
		3858	--$RELOAD;
		3859	}
		3860
		3861	$t1 = EV::time - $t1;
		3862	warn "reload completed in ${t1}s\n";
		3863	};
		3864
		3865	our $RELOAD_WATCHER; # used only during reload
		3866
		3867	sub reload_perl() {
		3868	# doing reload synchronously and two reloads happen back-to-back,
		3869	# coro crashes during coro_state_free->destroy here.
		3870
		3871	$RELOAD_WATCHER ||= cf::async {
		3872	Coro::AIO::aio_wait cache_extensions;
		3873
		3874	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3875	do_reload_perl;
		3876	undef $RELOAD_WATCHER;
		3877	};
2296	};	3878	};
2297
2298	if ($@) {
2299	warn $@;
2300	warn "error while reloading, exiting.";
2301	exit 1;
2302	}
2303
2304	warn "reloaded successfully";
2305	};
2306
2307	#############################################################################
2308
2309	unless ($LINK_MAP) {
2310	$LINK_MAP = cf::map::new;
2311
2312	$LINK_MAP->width (41);
2313	$LINK_MAP->height (41);
2314	$LINK_MAP->alloc;
2315	$LINK_MAP->path ("{link}");
2316	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2317	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2318
2319	# dirty hack because... archetypes are not yet loaded
2320	Event->timer (
2321	after => 10,
2322	cb => sub {
2323	$_[0]->w->cancel;
2324
2325	# provide some exits "home"
2326	my $exit = cf::object::new "exit";
2327
2328	$exit->slaying ($EMERGENCY_POSITION->[0]);
2329	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2330	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2331
2332	$LINK_MAP->insert ($exit->clone, 19, 19);
2333	$LINK_MAP->insert ($exit->clone, 19, 20);
2334	$LINK_MAP->insert ($exit->clone, 19, 21);
2335	$LINK_MAP->insert ($exit->clone, 20, 19);
2336	$LINK_MAP->insert ($exit->clone, 20, 21);
2337	$LINK_MAP->insert ($exit->clone, 21, 19);
2338	$LINK_MAP->insert ($exit->clone, 21, 20);
2339	$LINK_MAP->insert ($exit->clone, 21, 21);
2340
2341	$exit->destroy;
2342	});
2343
2344	$LINK_MAP->{deny_save} = 1;
2345	$LINK_MAP->{deny_reset} = 1;
2346
2347	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2348	}	3879	}
2349
2350	register "<global>", __PACKAGE__;
2351		3880
2352	register_command "reload" => sub {	3881	register_command "reload" => sub {
2353	my ($who, $arg) = @_;	3882	my ($who, $arg) = @_;
2354		3883
2355	if ($who->flag (FLAG_WIZ)) {	3884	if ($who->flag (FLAG_WIZ)) {
2356	$who->message ("start of reload.");
2357	reload;
2358	$who->message ("end of reload.");	3885	$who->message ("reloading server.");
		3886	async {
		3887	$Coro::current->{desc} = "perl_reload";
		3888	reload_perl;
		3889	};
2359	}	3890	}
2360	};	3891	};
2361		3892
2362	unshift @INC, $LIBDIR;	3893	unshift @INC, $LIBDIR;
2363		3894
2364	$TICK_WATCHER = Event->timer (	3895	my $bug_warning = 0;
2365	reentrant => 0,	3896
2366	prio => 0,	3897	our @WAIT_FOR_TICK;
2367	at => $NEXT_TICK || $TICK,	3898	our @WAIT_FOR_TICK_BEGIN;
2368	data => WF_AUTOCANCEL,	3899
2369	cb => sub {	3900	sub wait_for_tick {
		3901	return if tick_inhibit || $Coro::current == $Coro::main;
		3902
		3903	my $signal = new Coro::Signal;
		3904	push @WAIT_FOR_TICK, $signal;
		3905	$signal->wait;
		3906	}
		3907
		3908	sub wait_for_tick_begin {
		3909	return if tick_inhibit || $Coro::current == $Coro::main;
		3910
		3911	my $signal = new Coro::Signal;
		3912	push @WAIT_FOR_TICK_BEGIN, $signal;
		3913	$signal->wait;
		3914	}
		3915
		3916	sub tick {
		3917	if ($Coro::current != $Coro::main) {
		3918	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3919	unless ++$bug_warning > 10;
		3920	return;
		3921	}
		3922
2370	cf::server_tick; # one server iteration	3923	cf::server_tick; # one server iteration
2371	$RUNTIME += $TICK;
2372	$NEXT_TICK += $TICK;
2373		3924
2374	# if we are delayed by four ticks or more, skip them all	3925	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2375	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3926	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2376		3927	Coro::async_pool {
2377	$TICK_WATCHER->at ($NEXT_TICK);	3928	$Coro::current->{desc} = "runtime saver";
2378	$TICK_WATCHER->start;
2379	},
2380	);
2381
2382	IO::AIO::max_poll_time $TICK * 0.2;
2383
2384	Event->io (
2385	fd => IO::AIO::poll_fileno,
2386	poll => 'r',
2387	prio => 5,
2388	data => WF_AUTOCANCEL,
2389	cb => \&IO::AIO::poll_cb,
2390	);
2391
2392	Event->timer (
2393	data => WF_AUTOCANCEL,
2394	after => 0,
2395	interval => 10,
2396	cb => sub {
2397	(Coro::unblock_sub {
2398	write_runtime	3929	write_runtime_sync
2399	or warn "ERROR: unable to write runtime file: $!";	3930	or warn "ERROR: unable to write runtime file: $!";
2400	})->();	3931	};
2401	},	3932	}
2402	);	3933
		3934	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3935	$sig->send;
		3936	}
		3937	while (my $sig = shift @WAIT_FOR_TICK) {
		3938	$sig->send;
		3939	}
		3940
		3941	$LOAD = ($NOW - $TICK_START) / $TICK;
		3942	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3943
		3944	if (0) {
		3945	if ($NEXT_TICK) {
		3946	my $jitter = $TICK_START - $NEXT_TICK;
		3947	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3948	warn "jitter $JITTER\n";#d#
		3949	}
		3950	}
		3951	}
		3952
		3953	{
		3954	# configure BDB
		3955
		3956	BDB::min_parallel 8;
		3957	BDB::max_poll_reqs $TICK * 0.1;
		3958	$AnyEvent::BDB::WATCHER->priority (1);
		3959
		3960	unless ($DB_ENV) {
		3961	$DB_ENV = BDB::db_env_create;
		3962	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3963	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3964	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3965	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3966	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3967
		3968	cf::sync_job {
		3969	eval {
		3970	BDB::db_env_open
		3971	$DB_ENV,
		3972	$BDBDIR,
		3973	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3974	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3975	0666;
		3976
		3977	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3978	};
		3979
		3980	cf::cleanup "db_env_open(db): $@" if $@;
		3981	};
		3982	}
		3983
		3984	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3985	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3986	};
		3987	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3988	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3989	};
		3990	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3991	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3992	};
		3993	}
		3994
		3995	{
		3996	# configure IO::AIO
		3997
		3998	IO::AIO::min_parallel 8;
		3999	IO::AIO::max_poll_time $TICK * 0.1;
		4000	undef $AnyEvent::AIO::WATCHER;
		4001	}
		4002
		4003	my $_log_backtrace;
		4004
		4005	sub _log_backtrace {
		4006	my ($msg, @addr) = @_;
		4007
		4008	$msg =~ s/\n//;
		4009
		4010	# limit the # of concurrent backtraces
		4011	if ($_log_backtrace < 2) {
		4012	++$_log_backtrace;
		4013	my $perl_bt = Carp::longmess $msg;
		4014	async {
		4015	$Coro::current->{desc} = "abt $msg";
		4016
		4017	my @bt = fork_call {
		4018	@addr = map { sprintf "%x", $_ } @addr;
		4019	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4020	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4021	or die "addr2line: $!";
		4022
		4023	my @funcs;
		4024	my @res = <$fh>;
		4025	chomp for @res;
		4026	while (@res) {
		4027	my ($func, $line) = splice @res, 0, 2, ();
		4028	push @funcs, "[$func] $line";
		4029	}
		4030
		4031	@funcs
		4032	};
		4033
		4034	LOG llevInfo, "[ABT] $perl_bt\n";
		4035	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4036	LOG llevInfo, "[ABT] $_\n" for @bt;
		4037	--$_log_backtrace;
		4038	};
		4039	} else {
		4040	LOG llevInfo, "[ABT] $msg\n";
		4041	LOG llevInfo, "[ABT] [suppressed]\n";
		4042	}
		4043	}
		4044
		4045	# load additional modules
		4046	require "cf/$_.pm" for @EXTRA_MODULES;
		4047	cf::_connect_to_perl_2;
2403		4048
2404	END { cf::emergency_save }	4049	END { cf::emergency_save }
2405		4050
2406	1	4051	1
2407		4052

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines