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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.236 by root, Thu Apr 12 14:18:05 2007 UTC vs.
Revision 1.483 by root, Mon Oct 12 04:02:17 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict qw(vars subs);
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
9	use Event;	31	use EV;
10	use Opcode;	32	use Opcode;
11	use Safe;	33	use Safe;
12	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
13		36
		37	use Guard ();
14	use Coro 3.52 ();	38	use Coro ();
15	use Coro::State;	39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
16	use Coro::Event;	42	use Coro::AnyEvent;
17	use Coro::Timer;	43	use Coro::Timer;
18	use Coro::Signal;	44	use Coro::Signal;
19	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
20	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
21		52
		53	use JSON::XS 2.01 ();
22	use BDB ();	54	use BDB ();
23	use Data::Dumper;	55	use Data::Dumper;
24	use Digest::MD5;	56	use Digest::MD5;
25	use Fcntl;	57	use Fcntl;
26	use YAML::Syck ();	58	use YAML ();
27	use IO::AIO 2.32 ();	59	use IO::AIO ();
28	use Time::HiRes;	60	use Time::HiRes;
29	use Compress::LZF;	61	use Compress::LZF;
		62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
30		65
31	# configure various modules to our taste	66	# configure various modules to our taste
32	#	67	#
		68	$Storable::canonical = 1; # reduce rsync transfers
33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
35		76
36	$Event::Eval = 1; # no idea why this is required, but it is	77	# strictly for debugging
37		78	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
39	$YAML::Syck::ImplicitUnicode = 1;
40
41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
42		79
43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	80	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
44		81
45	our %COMMAND = ();	82	our %COMMAND = ();
46	our %COMMAND_TIME = ();	83	our %COMMAND_TIME = ();
47		84
48	our @EXTS = (); # list of extension package names	85	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	86	our %EXTCMD = ();
		87	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	88	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	89	our %EXT_MAP = (); # pluggable maps
52		90
53	our $RELOAD; # number of reloads so far	91	our $RELOAD; # number of reloads so far, non-zero while in reload
54	our @EVENT;	92	our @EVENT;
55	our $LIBDIR = datadir . "/ext";	93	our @REFLECT; # set by XS
		94	our %REFLECT; # set by us
56		95
57	our $TICK = MAX_TIME * 1e-6;	96	our $CONFDIR = confdir;
58	our $TICK_WATCHER;	97	our $DATADIR = datadir;
59	our $AIO_POLL_WATCHER;	98	our $LIBDIR = "$DATADIR/ext";
		99	our $PODDIR = "$DATADIR/pod";
		100	our $MAPDIR = "$DATADIR/" . mapdir;
		101	our $LOCALDIR = localdir;
		102	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		103	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		104	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		105	our $RANDOMDIR = "$LOCALDIR/random";
		106	our $BDBDIR = "$LOCALDIR/db";
		107	our $PIDFILE = "$LOCALDIR/pid";
		108	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		109
		110	our %RESOURCE;
		111
		112	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	113	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	114	our $NEXT_TICK;
62	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off	115	our $USE_FSYNC = 1; # use fsync to write maps - default on
64		116
		117	our $BDB_DEADLOCK_WATCHER;
		118	our $BDB_CHECKPOINT_WATCHER;
65	our $BDB_POLL_WATCHER;	119	our $BDB_TRICKLE_WATCHER;
66	our $DB_ENV;	120	our $DB_ENV;
		121
		122	our @EXTRA_MODULES = qw(pod match mapscript);
67		123
68	our %CFG;	124	our %CFG;
69		125
70	our $UPTIME; $UPTIME ||= time;	126	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;	127	our $RUNTIME;
		128	our $NOW;
72		129
73	our %PLAYER; # all users	130	our (%PLAYER, %PLAYER_LOADING); # all users
74	our %MAP; # all maps	131	our (%MAP, %MAP_LOADING ); # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	132	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		133
82	# used to convert map paths into valid unix filenames by replacing / by ∕	134	# used to convert map paths into valid unix filenames by replacing / by ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	135	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		136
		137	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		138	our $LOADAVG; # same thing, but with alpha-smoothing
		139	our $JITTER; # average jitter
		140	our $TICK_START; # for load detecting purposes
		141
		142	our @POST_INIT;
		143
		144	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		145	our $REALLY_UNLOOP; # never set to true, please :)
		146
85	binmode STDOUT;	147	binmode STDOUT;
86	binmode STDERR;	148	binmode STDERR;
87		149
88	# read virtual server time, if available	150	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	151	unless ($RUNTIME || !-e $RUNTIMEFILE) {
90	open my $fh, "<", cf::localdir . "/runtime"	152	open my $fh, "<", $RUNTIMEFILE
91	or die "unable to read runtime file: $!";	153	or die "unable to read $RUNTIMEFILE file: $!";
92	$RUNTIME = <$fh> + 0.;	154	$RUNTIME = <$fh> + 0.;
93	}	155	}
94		156
95	mkdir cf::localdir;	157	eval "sub TICK() { $TICK } 1" or die;
96	mkdir cf::localdir . "/" . cf::playerdir;	158
97	mkdir cf::localdir . "/" . cf::tmpdir;	159	mkdir $_
98	mkdir cf::localdir . "/" . cf::uniquedir;	160	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		161
102	our $EMERGENCY_POSITION;	162	our $EMERGENCY_POSITION;
103		163
104	sub cf::map::normalise;	164	sub cf::map::normalise;
		165
		166	#############################################################################
		167
		168	%REFLECT = ();
		169	for (@REFLECT) {
		170	my $reflect = JSON::XS::decode_json $_;
		171	$REFLECT{$reflect->{class}} = $reflect;
		172	}
		173
		174	# this is decidedly evil
		175	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
105		176
106	#############################################################################	177	#############################################################################
107		178
108	=head2 GLOBAL VARIABLES	179	=head2 GLOBAL VARIABLES
109		180
…		…
116	=item $cf::RUNTIME	187	=item $cf::RUNTIME
117		188
118	The time this server has run, starts at 0 and is increased by $cf::TICK on	189	The time this server has run, starts at 0 and is increased by $cf::TICK on
119	every server tick.	190	every server tick.
120		191
121	=item $cf::LIBDIR	192	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		193	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		194	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
122		195
123	The perl library directory, where extensions and cf-specific modules can	196	Various directories - "/etc", read-only install directory, perl-library
124	be found. It will be added to C<@INC> automatically.	197	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		198	unique-items directory, player file directory, random maps directory and
		199	database environment.
125		200
126	=item $cf::NOW	201	=item $cf::NOW
127		202
128	The time of the last (current) server tick.	203	The time of the last (current) server tick.
129		204
130	=item $cf::TICK	205	=item $cf::TICK
131		206
132	The interval between server ticks, in seconds.	207	The interval between server ticks, in seconds.
133		208
		209	=item $cf::LOADAVG
		210
		211	The current CPU load on the server (alpha-smoothed), as a value between 0
		212	(none) and 1 (overloaded), indicating how much time is spent on processing
		213	objects per tick. Healthy values are < 0.5.
		214
		215	=item $cf::LOAD
		216
		217	The raw value load value from the last tick.
		218
134	=item %cf::CFG	219	=item %cf::CFG
135		220
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	221	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
137	from wherever your confdir points to.	222	from wherever your confdir points to.
138		223
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	224	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		225
141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	226	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	227	returns directly I<after> the tick processing (and consequently, can only wake one process
143	processing has been done. Call C<< ->wait >> on them to maximise the	228	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
144	window of cpu time available, or simply to synchronise to the server tick.	229
		230	=item @cf::INVOKE_RESULTS
		231
		232	This array contains the results of the last C<invoke ()> call. When
		233	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		234	that call.
		235
		236	=item %cf::REFLECT
		237
		238	Contains, for each (C++) class name, a hash reference with information
		239	about object members (methods, scalars, arrays and flags) and other
		240	metadata, which is useful for introspection.
145		241
146	=back	242	=back
147		243
148	=cut	244	=cut
149		245
150	BEGIN {	246	$Coro::State::WARNHOOK = sub {
151	*CORE::GLOBAL::warn = sub {
152	my $msg = join "", @_;	247	my $msg = join "", @_;
153	utf8::encode $msg;
154		248
155	$msg .= "\n"	249	$msg .= "\n"
156	unless $msg =~ /\n$/;	250	unless $msg =~ /\n$/;
157		251
		252	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		253
158	LOG llevError, $msg;	254	LOG llevError, $msg;
159	};	255	};
160	}	256
		257	$Coro::State::DIEHOOK = sub {
		258	return unless $^S eq 0; # "eq", not "=="
		259
		260	warn Carp::longmess $_[0];
		261
		262	if ($Coro::current == $Coro::main) {#d#
		263	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		264	return;#d#
		265	}#d#
		266
		267	# kill coroutine otherwise
		268	Coro::terminate
		269	};
161		270
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	271	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	272	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	273	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	274	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	275	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		276	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
167	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	277	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
168		278
169	# we bless all objects into (empty) derived classes to force a method lookup	279	# we bless all objects into (empty) derived classes to force a method lookup
170	# within the Safe compartment.	280	# within the Safe compartment.
171	for my $pkg (qw(	281	for my $pkg (qw(
172	cf::global cf::attachable	282	cf::global cf::attachable
173	cf::object cf::object::player	283	cf::object cf::object::player
174	cf::client cf::player	284	cf::client cf::player
175	cf::arch cf::living	285	cf::arch cf::living
		286	cf::map cf::mapspace
176	cf::map cf::party cf::region	287	cf::party cf::region
177	)) {	288	)) {
178	no strict 'refs';
179	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	289	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
180	}	290	}
181		291
182	$Event::DIED = sub {	292	$EV::DIED = sub {
183	warn "error in event callback: @_";	293	warn "error in event callback: @_";
184	};	294	};
		295
		296	#############################################################################
185		297
186	=head2 UTILITY FUNCTIONS	298	=head2 UTILITY FUNCTIONS
187		299
188	=over 4	300	=over 4
189		301
…		…
208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	320	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
209	$d	321	$d
210	} || "[unable to dump $_[0]: '$@']";	322	} || "[unable to dump $_[0]: '$@']";
211	}	323	}
212		324
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	325	=item $ref = cf::decode_json $json
216		326
217	Converts a JSON string into the corresponding perl data structure.	327	Converts a JSON string into the corresponding perl data structure.
218		328
219	=item $json = cf::to_json $ref	329	=item $json = cf::encode_json $ref
220		330
221	Converts a perl data structure into its JSON representation.	331	Converts a perl data structure into its JSON representation.
222		332
		333	=cut
		334
		335	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		336
		337	sub encode_json($) { $json_coder->encode ($_[0]) }
		338	sub decode_json($) { $json_coder->decode ($_[0]) }
		339
		340	=item cf::post_init { BLOCK }
		341
		342	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		343	but I<before> the server starts ticking again.
		344
		345	The cdoeblock will have a single boolean argument to indicate whether this
		346	is a reload or not.
		347
		348	=cut
		349
		350	sub post_init(&) {
		351	push @POST_INIT, shift;
		352	}
		353
223	=item cf::lock_wait $string	354	=item cf::lock_wait $string
224		355
225	Wait until the given lock is available. See cf::lock_acquire.	356	Wait until the given lock is available. See cf::lock_acquire.
226		357
227	=item my $lock = cf::lock_acquire $string	358	=item my $lock = cf::lock_acquire $string
228		359
229	Wait until the given lock is available and then acquires it and returns	360	Wait until the given lock is available and then acquires it and returns
230	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	361	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
231	for example when the coroutine gets canceled), the lock is automatically	362	for example when the coroutine gets canceled), the lock is automatically
232	returned.	363	returned.
233		364
		365	Locks are *not* recursive, locking from the same coro twice results in a
		366	deadlocked coro.
		367
234	Lock names should begin with a unique identifier (for example, cf::map::find	368	Lock names should begin with a unique identifier (for example, cf::map::find
235	uses map_find and cf::map::load uses map_load).	369	uses map_find and cf::map::load uses map_load).
236		370
237	=cut	371	=item $locked = cf::lock_active $string
238		372
239	our %LOCK;	373	Return true if the lock is currently active, i.e. somebody has locked it.
		374
		375	=cut
		376
		377	our $LOCKS = new Coro::SemaphoreSet;
240		378
241	sub lock_wait($) {	379	sub lock_wait($) {
242	my ($key) = @_;	380	$LOCKS->wait ($_[0]);
243
244	# wait for lock, if any
245	while ($LOCK{$key}) {
246	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;
248	}
249	}	381	}
250		382
251	sub lock_acquire($) {	383	sub lock_acquire($) {
252	my ($key) = @_;	384	$LOCKS->guard ($_[0])
		385	}
253		386
254	# wait, to be sure we are not locked	387	sub lock_active($) {
255	lock_wait $key;	388	$LOCKS->count ($_[0]) < 1
256
257	$LOCK{$key} = [];
258
259	Coro::guard {
260	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };
262	}
263	}	389	}
264		390
265	sub freeze_mainloop {	391	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	392	tick_inhibit_inc;
267		393
268	my $guard = Coro::guard {	394	&Guard::guard (\&tick_inhibit_dec);
269	$TICK_WATCHER->start;	395	}
		396
		397	=item cf::periodic $interval, $cb
		398
		399	Like EV::periodic, but randomly selects a starting point so that the actions
		400	get spread over timer.
		401
		402	=cut
		403
		404	sub periodic($$) {
		405	my ($interval, $cb) = @_;
		406
		407	my $start = rand List::Util::min 180, $interval;
		408
		409	EV::periodic $start, $interval, 0, $cb
		410	}
		411
		412	=item cf::get_slot $time[, $priority[, $name]]
		413
		414	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		415	This call blocks and returns only when you have at least C<$time> seconds
		416	of cpu time till the next tick. The slot is only valid till the next cede.
		417
		418	The optional C<$name> can be used to identify the job to run. It might be
		419	used for statistical purposes and should identify the same time-class.
		420
		421	Useful for short background jobs.
		422
		423	=cut
		424
		425	our @SLOT_QUEUE;
		426	our $SLOT_QUEUE;
		427
		428	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		429	$SLOT_QUEUE = Coro::async {
		430	$Coro::current->desc ("timeslot manager");
		431
		432	my $signal = new Coro::Signal;
		433
		434	while () {
		435	next_job:
		436	my $avail = cf::till_tick;
		437	if ($avail > 0.01) {
		438	for (0 .. $#SLOT_QUEUE) {
		439	if ($SLOT_QUEUE[$_][0] < $avail) {
		440	my $job = splice @SLOT_QUEUE, $_, 1, ();
		441	$job->[2]->send;
		442	Coro::cede;
		443	goto next_job;
		444	}
		445	}
		446	}
		447
		448	if (@SLOT_QUEUE) {
		449	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		450	push @cf::WAIT_FOR_TICK, $signal;
		451	$signal->wait;
		452	} else {
		453	Coro::schedule;
		454	}
270	};	455	}
271	$TICK_WATCHER->stop;	456	};
272	$guard	457
		458	sub get_slot($;$$) {
		459	return if tick_inhibit || $Coro::current == $Coro::main;
		460
		461	my ($time, $pri, $name) = @_;
		462
		463	$time = $TICK * .6 if $time > $TICK * .6;
		464	my $sig = new Coro::Signal;
		465
		466	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		467	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		468	$SLOT_QUEUE->ready;
		469	$sig->wait;
273	}	470	}
274		471
275	=item cf::async { BLOCK }	472	=item cf::async { BLOCK }
276		473
277	Currently the same as Coro::async_pool, meaning you cannot use	474	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		479
283	BEGIN { *async = \&Coro::async_pool }	480	BEGIN { *async = \&Coro::async_pool }
284		481
285	=item cf::sync_job { BLOCK }	482	=item cf::sync_job { BLOCK }
286		483
287	The design of crossfire+ requires that the main coro ($Coro::main) is	484	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	485	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	486	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		487	acceptable.
290		488
291	If it must be done, put the blocking parts into C<sync_job>. This will run	489	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	490	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	491	server will be frozen during this time, so the block should either finish
294	fast or be very important.	492	fast or be very important.
…		…
297		495
298	sub sync_job(&) {	496	sub sync_job(&) {
299	my ($job) = @_;	497	my ($job) = @_;
300		498
301	if ($Coro::current == $Coro::main) {	499	if ($Coro::current == $Coro::main) {
		500	my $time = EV::time;
		501
302	# this is the main coro, too bad, we have to block	502	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	503	# till the operation succeeds, freezing the server :/
304		504
305	# TODO: use suspend/resume instead	505	LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	506
307	my $freeze_guard = freeze_mainloop;	507	my $freeze_guard = freeze_mainloop;
308		508
309	my $busy = 1;	509	my $busy = 1;
310	my @res;	510	my @res;
311		511
312	(async {	512	(async {
		513	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	514	@res = eval { $job->() };
314	warn $@ if $@;	515	warn $@ if $@;
315	undef $busy;	516	undef $busy;
316	})->prio (Coro::PRIO_MAX);	517	})->prio (Coro::PRIO_MAX);
317		518
318	while ($busy) {	519	while ($busy) {
319	Coro::cede or Event::one_event;	520	if (Coro::nready) {
		521	Coro::cede_notself;
		522	} else {
		523	EV::loop EV::LOOP_ONESHOT;
320	}	524	}
		525	}
		526
		527	my $time = EV::time - $time;
		528
		529	$TICK_START += $time; # do not account sync jobs to server load
321		530
322	wantarray ? @res : $res[0]	531	wantarray ? @res : $res[0]
323	} else {	532	} else {
324	# we are in another coroutine, how wonderful, everything just works	533	# we are in another coroutine, how wonderful, everything just works
325		534
…		…
345	$EXT_CORO{$coro+0} = $coro;	554	$EXT_CORO{$coro+0} = $coro;
346		555
347	$coro	556	$coro
348	}	557	}
349		558
350	sub write_runtime {	559	=item fork_call { }, $args
351	my $guard = cf::lock_acquire "write_runtime";
352		560
353	my $runtime = cf::localdir . "/runtime";	561	Executes the given code block with the given arguments in a seperate
		562	process, returning the results. Everything must be serialisable with
		563	Coro::Storable. May, of course, block. Note that the executed sub may
		564	never block itself or use any form of event handling.
354		565
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	566	=cut
356	or return;
357		567
358	my $value = $cf::RUNTIME + 90 + 10;	568	sub fork_call(&@) {
359	# 10 is the runtime save interval, for a monotonic clock	569	my ($cb, @args) = @_;
360	# 60 allows for the watchdog to kill the server.
361		570
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	571	# we seemingly have to make a local copy of the whole thing,
363	and return;	572	# otherwise perl prematurely frees the stuff :/
		573	# TODO: investigate and fix (likely this will be rather laborious)
364		574
365	# always fsync - this file is important	575	my @res = Coro::Util::fork_eval {
366	aio_fsync $fh	576	reset_signals;
367	and return;	577	&$cb
		578	}, @args;
368		579
369	close $fh	580	wantarray ? @res : $res[-1]
370	or return;	581	}
371		582
372	aio_rename "$runtime~", $runtime	583	=item $coin = coin_from_name $name
373	and return;
374		584
		585	=cut
		586
		587	our %coin_alias = (
		588	"silver" => "silvercoin",
		589	"silvercoin" => "silvercoin",
		590	"silvercoins" => "silvercoin",
		591	"gold" => "goldcoin",
		592	"goldcoin" => "goldcoin",
		593	"goldcoins" => "goldcoin",
		594	"platinum" => "platinacoin",
		595	"platinumcoin" => "platinacoin",
		596	"platinumcoins" => "platinacoin",
		597	"platina" => "platinacoin",
		598	"platinacoin" => "platinacoin",
		599	"platinacoins" => "platinacoin",
		600	"royalty" => "royalty",
		601	"royalties" => "royalty",
		602	);
		603
		604	sub coin_from_name($) {
		605	$coin_alias{$_[0]}
		606	? cf::arch::find $coin_alias{$_[0]}
		607	: undef
		608	}
		609
		610	=item $value = cf::db_get $family => $key
		611
		612	Returns a single value from the environment database.
		613
		614	=item cf::db_put $family => $key => $value
		615
		616	Stores the given C<$value> in the family. It can currently store binary
		617	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		618
		619	=item $db = cf::db_table "name"
		620
		621	Create and/or open a new database table. The string must not be "db" and must be unique
		622	within each server.
		623
		624	=cut
		625
		626	sub db_table($) {
		627	my ($name) = @_;
		628	my $db = BDB::db_create $DB_ENV;
		629
		630	eval {
		631	$db->set_flags (BDB::CHKSUM);
		632
		633	utf8::encode $name;
		634	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		635	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		636	cf::cleanup "db_open(db): $!" if $!;
		637	};
		638	cf::cleanup "db_open(db): $@" if $@;
		639
		640	$db
		641	}
		642
		643	our $DB;
		644
		645	sub db_init {
		646	cf::sync_job {
		647	$DB ||= db_table "db";
		648	};
		649	}
		650
		651	sub db_get($$) {
		652	my $key = "$_[0]/$_[1]";
		653
		654	cf::sync_job {
		655	BDB::db_get $DB, undef, $key, my $data;
		656
		657	$! ? ()
		658	: $data
375	1	659	}
		660	}
		661
		662	sub db_put($$$) {
		663	BDB::dbreq_pri 4;
		664	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		665	}
		666
		667	=item cf::cache $id => [$paths...], $processversion => $process
		668
		669	Generic caching function that returns the value of the resource $id,
		670	caching and regenerating as required.
		671
		672	This function can block.
		673
		674	=cut
		675
		676	sub cache {
		677	my ($id, $src, $processversion, $process) = @_;
		678
		679	my $meta =
		680	join "\x00",
		681	$processversion,
		682	map {
		683	aio_stat $_
		684	and Carp::croak "$_: $!";
		685
		686	($_, (stat _)[7,9])
		687	} @$src;
		688
		689	my $dbmeta = db_get cache => "$id/meta";
		690	if ($dbmeta ne $meta) {
		691	# changed, we may need to process
		692
		693	my @data;
		694	my $md5;
		695
		696	for (0 .. $#$src) {
		697	0 <= aio_load $src->[$_], $data[$_]
		698	or Carp::croak "$src->[$_]: $!";
		699	}
		700
		701	# if processing is expensive, check
		702	# checksum first
		703	if (1) {
		704	$md5 =
		705	join "\x00",
		706	$processversion,
		707	map {
		708	cf::cede_to_tick;
		709	($src->[$_], Digest::MD5::md5_hex $data[$_])
		710	} 0.. $#$src;
		711
		712
		713	my $dbmd5 = db_get cache => "$id/md5";
		714	if ($dbmd5 eq $md5) {
		715	db_put cache => "$id/meta", $meta;
		716
		717	return db_get cache => "$id/data";
		718	}
		719	}
		720
		721	my $t1 = Time::HiRes::time;
		722	my $data = $process->(\@data);
		723	my $t2 = Time::HiRes::time;
		724
		725	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		726
		727	db_put cache => "$id/data", $data;
		728	db_put cache => "$id/md5" , $md5;
		729	db_put cache => "$id/meta", $meta;
		730
		731	return $data;
		732	}
		733
		734	db_get cache => "$id/data"
376	}	735	}
377		736
378	=item cf::datalog type => key => value, ...	737	=item cf::datalog type => key => value, ...
379		738
380	Log a datalog packet of the given type with the given key-value pairs.	739	Log a datalog packet of the given type with the given key-value pairs.
…		…
392		751
393	#############################################################################	752	#############################################################################
394		753
395	=head2 ATTACHABLE OBJECTS	754	=head2 ATTACHABLE OBJECTS
396		755
397	Many objects in crossfire are so-called attachable objects. That means you can	756	Many objects in deliantra are so-called attachable objects. That means you can
398	attach callbacks/event handlers (a collection of which is called an "attachment")	757	attach callbacks/event handlers (a collection of which is called an "attachment")
399	to it. All such attachable objects support the following methods.	758	to it. All such attachable objects support the following methods.
400		759
401	In the following description, CLASS can be any of C<global>, C<object>	760	In the following description, CLASS can be any of C<global>, C<object>
402	C<player>, C<client> or C<map> (i.e. the attachable objects in	761	C<player>, C<client> or C<map> (i.e. the attachable objects in
403	crossfire+).	762	Deliantra).
404		763
405	=over 4	764	=over 4
406		765
407	=item $attachable->attach ($attachment, key => $value...)	766	=item $attachable->attach ($attachment, key => $value...)
408		767
…		…
452	=item cf::CLASS::attachment $name, ...	811	=item cf::CLASS::attachment $name, ...
453		812
454	Register an attachment by C<$name> through which attachable objects of the	813	Register an attachment by C<$name> through which attachable objects of the
455	given CLASS can refer to this attachment.	814	given CLASS can refer to this attachment.
456		815
457	Some classes such as crossfire maps and objects can specify attachments	816	Some classes such as deliantra maps and objects can specify attachments
458	that are attached at load/instantiate time, thus the need for a name.	817	that are attached at load/instantiate time, thus the need for a name.
459		818
460	These calls expect any number of the following handler/hook descriptions:	819	These calls expect any number of the following handler/hook descriptions:
461		820
462	=over 4	821	=over 4
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	930	$registry = $CB_TYPE[$object_type] ||= [];
572		931
573	} elsif ($type eq "subtype") {	932	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	933	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	934	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	935	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		936
578	} elsif ($type eq "package") {	937	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	938	my $pkg = shift @arg;
580		939
581	while (my ($name, $id) = each %cb_id) {	940	while (my ($name, $id) = each %cb_id) {
…		…
610	_attach $registry, $klass, @attach;	969	_attach $registry, $klass, @attach;
611	}	970	}
612		971
613	$obj->{$name} = \%arg;	972	$obj->{$name} = \%arg;
614	} else {	973	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	974	warn "object uses attachment '$name' which is not available, postponing.\n";
616	}	975	}
617		976
618	$obj->{_attachment}{$name} = undef;	977	$obj->{_attachment}{$name} = undef;
619	}	978	}
620		979
…		…
622	if (ref $_[0]) {	981	if (ref $_[0]) {
623	_object_attach @_;	982	_object_attach @_;
624	} else {	983	} else {
625	_attach shift->_attach_registry, @_;	984	_attach shift->_attach_registry, @_;
626	}	985	}
		986	_recalc_want;
627	};	987	};
628		988
629	# all those should be optimised	989	# all those should be optimised
630	sub cf::attachable::detach {	990	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	991	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	994	delete $obj->{_attachment}{$name};
635	reattach ($obj);	995	reattach ($obj);
636	} else {	996	} else {
637	Carp::croak "cannot, currently, detach class attachments";	997	Carp::croak "cannot, currently, detach class attachments";
638	}	998	}
		999	_recalc_want;
639	};	1000	};
640		1001
641	sub cf::attachable::attached {	1002	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	1003	my ($obj, $name) = @_;
643		1004
…		…
658	";	1019	";
659	die if $@;	1020	die if $@;
660	}	1021	}
661		1022
662	our $override;	1023	our $override;
663	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1024	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
664		1025
665	sub override {	1026	sub override {
666	$override = 1;	1027	$override = 1;
667	@invoke_results = ();	1028	@INVOKE_RESULTS = (@_);
668	}	1029	}
669		1030
670	sub do_invoke {	1031	sub do_invoke {
671	my $event = shift;	1032	my $event = shift;
672	my $callbacks = shift;	1033	my $callbacks = shift;
673		1034
674	@invoke_results = ();	1035	@INVOKE_RESULTS = ();
675		1036
676	local $override;	1037	local $override;
677		1038
678	for (@$callbacks) {	1039	for (@$callbacks) {
679	eval { &{$_->[1]} };	1040	eval { &{$_->[1]} };
…		…
688	}	1049	}
689		1050
690	0	1051	0
691	}	1052	}
692		1053
693	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1054	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
694		1055
695	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1056	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
696		1057
697	Generate an object-specific event with the given arguments.	1058	Generate an object-specific event with the given arguments.
698		1059
699	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1060	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
700	removed in future versions), and there is no public API to access override	1061	removed in future versions), and there is no public API to access override
701	results (if you must, access C<@cf::invoke_results> directly).	1062	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		1063
703	=back	1064	=back
704		1065
705	=cut	1066	=cut
706		1067
707	#############################################################################	1068	#############################################################################
708	# object support	1069	# object support
		1070
		1071	sub _object_equal($$);
		1072	sub _object_equal($$) {
		1073	my ($a, $b) = @_;
		1074
		1075	return 0 unless (ref $a) eq (ref $b);
		1076
		1077	if ("HASH" eq ref $a) {
		1078	my @ka = keys %$a;
		1079	my @kb = keys %$b;
		1080
		1081	return 0 if @ka != @kb;
		1082
		1083	for (0 .. $#ka) {
		1084	return 0 unless $ka[$_] eq $kb[$_];
		1085	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1086	}
		1087
		1088	} elsif ("ARRAY" eq ref $a) {
		1089
		1090	return 0 if @$a != @$b;
		1091
		1092	for (0 .. $#$a) {
		1093	return 0 unless _object_equal $a->[$_], $b->[$_];
		1094	}
		1095
		1096	} elsif ($a ne $b) {
		1097	return 0;
		1098	}
		1099
		1100	1
		1101	}
		1102
		1103	our $SLOW_MERGES;#d#
		1104	sub _can_merge {
		1105	my ($ob1, $ob2) = @_;
		1106
		1107	++$SLOW_MERGES;#d#
		1108
		1109	# we do the slow way here
		1110	return _object_equal $ob1, $ob2
		1111	}
709		1112
710	sub reattach {	1113	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	1114	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	1115	my ($obj) = @_;
713		1116
		1117	# no longer needed after getting rid of delete_package?
714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1118	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
715		1119
716	my $registry = $obj->registry;	1120	my $registry = $obj->registry;
717		1121
718	@$registry = ();	1122	@$registry = ();
719		1123
…		…
734	cf::attachable->attach (	1138	cf::attachable->attach (
735	prio => -1000000,	1139	prio => -1000000,
736	on_instantiate => sub {	1140	on_instantiate => sub {
737	my ($obj, $data) = @_;	1141	my ($obj, $data) = @_;
738		1142
739	$data = from_json $data;	1143	$data = decode_json $data;
740		1144
741	for (@$data) {	1145	for (@$data) {
742	my ($name, $args) = @$_;	1146	my ($name, $args) = @$_;
743		1147
744	$obj->attach ($name, %{$args || {} });	1148	$obj->attach ($name, %{$args || {} });
…		…
760	sub object_freezer_save {	1164	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1165	my ($filename, $rdata, $objs) = @_;
762		1166
763	sync_job {	1167	sync_job {
764	if (length $$rdata) {	1168	if (length $$rdata) {
		1169	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1170	warn sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1171	$decname, length $$rdata, scalar @$objs;
767		1172
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1173	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1174	aio_chmod $fh, SAVE_MODE;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1175	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	aio_fsync $fh if $cf::USE_FSYNC;	1176	if ($cf::USE_FSYNC) {
		1177	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;
		1178	aio_fsync $fh;
		1179	}
772	close $fh;	1180	aio_close $fh;
773		1181
774	if (@$objs) {	1182	if (@$objs) {
775	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1183	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
776	chmod SAVE_MODE, $fh;	1184	aio_chmod $fh, SAVE_MODE;
777	my $data = Storable::nfreeze { version => 1, objs => $objs };	1185	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
778	aio_write $fh, 0, (length $data), $data, 0;	1186	aio_write $fh, 0, (length $data), $data, 0;
779	aio_fsync $fh if $cf::USE_FSYNC;	1187	if ($cf::USE_FSYNC) {
		1188	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1189	aio_fsync $fh;
		1190	}
780	close $fh;	1191	aio_close $fh;
781	aio_rename "$filename.pst~", "$filename.pst";	1192	aio_rename "$filename.pst~", "$filename.pst";
782	}	1193	}
783	} else {	1194	} else {
784	aio_unlink "$filename.pst";	1195	aio_unlink "$filename.pst";
785	}	1196	}
786		1197
787	aio_rename "$filename~", $filename;	1198	aio_rename "$filename~", $filename;
		1199
		1200	$filename =~ s%/[^/]+$%%;
		1201	aio_pathsync $filename if $cf::USE_FSYNC;
788	} else {	1202	} else {
789	warn "FATAL: $filename~: $!\n";	1203	warn "unable to save objects: $filename~: $!\n";
790	}	1204	}
791	} else {	1205	} else {
792	aio_unlink $filename;	1206	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1207	aio_unlink "$filename.pst";
794	}	1208	}
795	}	1209	};
796	}	1210	}
797		1211
798	sub object_freezer_as_string {	1212	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1213	my ($rdata, $objs) = @_;
800		1214
…		…
812	or return;	1226	or return;
813		1227
814	unless (aio_stat "$filename.pst") {	1228	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1229	(aio_load "$filename.pst", $av) >= 0
816	or return;	1230	or return;
		1231
817	$av = eval { (Storable::thaw $av)->{objs} };	1232	my $st = eval { Coro::Storable::thaw $av };
		1233	$av = $st->{objs};
818	}	1234	}
819		1235
		1236	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1237	warn sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1238	$decname, length $data, scalar @{$av || []};
		1239
822	return ($data, $av);	1240	($data, $av)
823	}	1241	}
		1242
		1243	=head2 COMMAND CALLBACKS
		1244
		1245	=over 4
		1246
		1247	=cut
824		1248
825	#############################################################################	1249	#############################################################################
826	# command handling &c	1250	# command handling &c
827		1251
828	=item cf::register_command $name => \&callback($ob,$args);	1252	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1265	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1266	}
843		1267
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1268	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1269
846	Register a callbackf ro execution when the client sends an extcmd packet.	1270	Register a callback for execution when the client sends an (synchronous)
		1271	extcmd packet. Ext commands will be processed in the order they are
		1272	received by the server, like other user commands. The first argument is
		1273	the logged-in player. Ext commands can only be processed after a player
		1274	has logged in successfully.
847		1275
848	If the callback returns something, it is sent back as if reply was being	1276	If the callback returns something, it is sent back as if reply was being
849	called.	1277	called.
850		1278
		1279	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1280
		1281	Register a callback for execution when the client sends an (asynchronous)
		1282	exticmd packet. Exti commands are processed by the server as soon as they
		1283	are received, i.e. out of order w.r.t. other commands. The first argument
		1284	is a client socket. Exti commands can be received anytime, even before
		1285	log-in.
		1286
		1287	If the callback returns something, it is sent back as if reply was being
		1288	called.
		1289
851	=cut	1290	=cut
852		1291
853	sub register_extcmd {	1292	sub register_extcmd {
854	my ($name, $cb) = @_;	1293	my ($name, $cb) = @_;
855		1294
856	$EXTCMD{$name} = $cb;	1295	$EXTCMD{$name} = $cb;
857	}	1296	}
		1297
		1298	sub register_exticmd {
		1299	my ($name, $cb) = @_;
		1300
		1301	$EXTICMD{$name} = $cb;
		1302	}
		1303
		1304	use File::Glob ();
858		1305
859	cf::player->attach (	1306	cf::player->attach (
860	on_command => sub {	1307	on_command => sub {
861	my ($pl, $name, $params) = @_;	1308	my ($pl, $name, $params) = @_;
862		1309
…		…
870	cf::override;	1317	cf::override;
871	},	1318	},
872	on_extcmd => sub {	1319	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1320	my ($pl, $buf) = @_;
874		1321
875	my $msg = eval { from_json $buf };	1322	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1323
877	if (ref $msg) {	1324	if (ref $msg) {
		1325	my ($type, $reply, @payload) =
		1326	"ARRAY" eq ref $msg
		1327	? @$msg
		1328	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1329
		1330	my @reply;
		1331
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1332	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1333	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1334	}
		1335
		1336	$pl->ext_reply ($reply, @reply)
		1337	if $reply;
		1338
883	} else {	1339	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1340	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1341	}
886		1342
887	cf::override;	1343	cf::override;
888	},	1344	},
889	);	1345	);
890		1346
		1347	# "readahead" all extensions
891	sub load_extension {	1348	sub cache_extensions {
892	my ($path) = @_;	1349	my $grp = IO::AIO::aio_group;
893		1350
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1351	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
895	my $base = $1;	1352	for (grep /\.ext$/, @{$_[0]}) {
896	my $pkg = $1;	1353	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}	1354	}
919	die $@;
920	}	1355	};
921		1356
922	push @EXTS, $pkg;	1357	$grp
923	}	1358	}
924		1359
925	sub load_extensions {	1360	sub load_extensions {
		1361	cf::sync_job {
		1362	my %todo;
		1363
926	for my $ext (<$LIBDIR/*.ext>) {	1364	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1365	next unless -r $path;
928	eval {	1366
929	load_extension $ext;	1367	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1368	my $base = $1;
		1369	my $pkg = $1;
		1370	$pkg =~ s/[^[:word:]]/_/g;
		1371	$pkg = "ext::$pkg";
		1372
		1373	open my $fh, "<:utf8", $path
		1374	or die "$path: $!";
		1375
		1376	my $source = do { local $/; <$fh> };
		1377
		1378	my %ext = (
		1379	path => $path,
		1380	base => $base,
		1381	pkg => $pkg,
		1382	);
		1383
		1384	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1385	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1386
		1387	$ext{source} =
		1388	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1389	. "#line 1 \"$path\"\n{\n"
		1390	. $source
		1391	. "\n};\n1";
		1392
		1393	$todo{$base} = \%ext;
		1394	}
		1395
		1396	my %done;
		1397	while (%todo) {
		1398	my $progress;
		1399
		1400	while (my ($k, $v) = each %todo) {
		1401	for (split /,\s*/, $v->{meta}{depends}) {
		1402	goto skip
		1403	unless exists $done{$_};
		1404	}
		1405
		1406	warn "... loading '$k' into '$v->{pkg}'\n";
		1407
		1408	unless (eval $v->{source}) {
		1409	my $msg = $@ ? "$v->{path}: $@\n"
		1410	: "$v->{base}: extension inactive.\n";
		1411
		1412	if (exists $v->{meta}{mandatory}) {
		1413	warn $msg;
		1414	cf::cleanup "mandatory extension failed to load, exiting.";
		1415	}
		1416
		1417	warn $msg;
		1418	}
		1419
		1420	$done{$k} = delete $todo{$k};
		1421	push @EXTS, $v->{pkg};
		1422	$progress = 1;
930	1	1423	}
931	} or warn "$ext not loaded: $@";	1424
		1425	skip:
		1426	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1427	unless $progress;
		1428	}
932	}	1429	};
933	}	1430	}
934		1431
935	#############################################################################	1432	#############################################################################
936		1433
		1434	=back
		1435
937	=head2 CORE EXTENSIONS	1436	=head2 CORE EXTENSIONS
938		1437
939	Functions and methods that extend core crossfire objects.	1438	Functions and methods that extend core deliantra objects.
940		1439
941	=cut	1440	=cut
942		1441
943	package cf::player;	1442	package cf::player;
944		1443
…		…
946		1445
947	=head3 cf::player	1446	=head3 cf::player
948		1447
949	=over 4	1448	=over 4
950		1449
		1450	=item cf::player::num_playing
		1451
		1452	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1453
		1454	=cut
		1455
		1456	sub num_playing {
		1457	scalar grep
		1458	$_->ob->map
		1459	&& !$_->hidden
		1460	&& !$_->ob->flag (cf::FLAG_WIZ),
		1461	cf::player::list
		1462	}
		1463
951	=item cf::player::find $login	1464	=item cf::player::find $login
952		1465
953	Returns the given player object, loading it if necessary (might block).	1466	Returns the given player object, loading it if necessary (might block).
954		1467
955	=cut	1468	=cut
956		1469
957	sub playerdir($) {	1470	sub playerdir($) {
958	cf::localdir	1471	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1472	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1473	}
964		1474
965	sub path($) {	1475	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1476	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
976		1486
977	sub exists($) {	1487	sub exists($) {
978	my ($login) = @_;	1488	my ($login) = @_;
979		1489
980	$cf::PLAYER{$login}	1490	$cf::PLAYER{$login}
981	or cf::sync_job { !aio_stat path $login }	1491	or !aio_stat path $login
982	}	1492	}
983		1493
984	sub find($) {	1494	sub find($) {
985	return $cf::PLAYER{$_[0]} || do {	1495	return $cf::PLAYER{$_[0]} || do {
986	my $login = $_[0];	1496	my $login = $_[0];
…		…
993	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1503	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
994	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1504	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
995	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1505	aio_unlink +(playerdir $login) . "/$login.pl.pst";
996	aio_unlink +(playerdir $login) . "/$login.pl";	1506	aio_unlink +(playerdir $login) . "/$login.pl";
997		1507
998	my $pl = load_pl path $login	1508	my $f = new_from_file cf::object::thawer path $login
999	or return;	1509	or return;
		1510
		1511	my $pl = cf::player::load_pl $f
		1512	or return;
		1513
		1514	local $cf::PLAYER_LOADING{$login} = $pl;
		1515	$f->resolve_delayed_derefs;
1000	$cf::PLAYER{$login} = $pl	1516	$cf::PLAYER{$login} = $pl
1001	}	1517	}
1002	}	1518	}
1003	}	1519	}
1004		1520
…		…
1013	return if $pl->{deny_save};	1529	return if $pl->{deny_save};
1014		1530
1015	aio_mkdir playerdir $pl, 0770;	1531	aio_mkdir playerdir $pl, 0770;
1016	$pl->{last_save} = $cf::RUNTIME;	1532	$pl->{last_save} = $cf::RUNTIME;
1017		1533
		1534	cf::get_slot 0.01;
		1535
1018	$pl->save_pl ($path);	1536	$pl->save_pl ($path);
1019	Coro::cede;	1537	cf::cede_to_tick;
1020	}	1538	}
1021		1539
1022	sub new($) {	1540	sub new($) {
1023	my ($login) = @_;	1541	my ($login) = @_;
1024		1542
…		…
1030	$cf::PLAYER{$login} = $self;	1548	$cf::PLAYER{$login} = $self;
1031		1549
1032	$self	1550	$self
1033	}	1551	}
1034		1552
		1553	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1554
		1555	=cut
		1556
		1557	sub send_msg {
		1558	my $ns = shift->ns
		1559	or return;
		1560	$ns->send_msg (@_);
		1561	}
		1562
1035	=item $pl->quit_character	1563	=item $pl->quit_character
1036		1564
1037	Nukes the player without looking back. If logged in, the connection will	1565	Nukes the player without looking back. If logged in, the connection will
1038	be destroyed. May block for a long time.	1566	be destroyed. May block for a long time.
1039		1567
…		…
1043	my ($pl) = @_;	1571	my ($pl) = @_;
1044		1572
1045	my $name = $pl->ob->name;	1573	my $name = $pl->ob->name;
1046		1574
1047	$pl->{deny_save} = 1;	1575	$pl->{deny_save} = 1;
1048	$pl->password ("*"); # this should lock out the player until we nuked the dir	1576	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1049		1577
1050	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1578	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1051	$pl->deactivate;	1579	$pl->deactivate;
		1580	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1581	$pl->ob->check_score;
1052	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1582	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1053	$pl->ns->destroy if $pl->ns;	1583	$pl->ns->destroy if $pl->ns;
1054		1584
1055	my $path = playerdir $pl;	1585	my $path = playerdir $pl;
1056	my $temp = "$path~$cf::RUNTIME~deleting~";	1586	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1086	while and may block, so not sync_job-capable, ever.	1616	while and may block, so not sync_job-capable, ever.
1087		1617
1088	=cut	1618	=cut
1089		1619
1090	sub list_logins {	1620	sub list_logins {
1091	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1621	my $dirs = aio_readdir $PLAYERDIR
1092	or return [];	1622	or return [];
1093		1623
1094	my @logins;	1624	my @logins;
1095		1625
1096	for my $login (@$dirs) {	1626	for my $login (@$dirs) {
		1627	my $path = path $login;
		1628
		1629	# a .pst is a dead give-away for a valid player
		1630	# if no pst file found, open and chekc for blocked users
		1631	if (aio_stat "$path.pst") {
1097	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1632	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1098	aio_read $fh, 0, 512, my $buf, 0 or next;	1633	aio_read $fh, 0, 512, my $buf, 0 or next;
1099	$buf !~ /^password -------------$/m or next; # official not-valid tag	1634	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1635	}
1100		1636
1101	utf8::decode $login;	1637	utf8::decode $login;
1102	push @logins, $login;	1638	push @logins, $login;
1103	}	1639	}
1104		1640
…		…
1131	}	1667	}
1132		1668
1133	\@paths	1669	\@paths
1134	}	1670	}
1135		1671
		1672	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1673
		1674	Expand deliantra pod fragments into protocol xml.
		1675
1136	=item $player->ext_reply ($msgid, %msg)	1676	=item $player->ext_reply ($msgid, @msg)
1137		1677
1138	Sends an ext reply to the player.	1678	Sends an ext reply to the player.
1139		1679
1140	=cut	1680	=cut
1141		1681
1142	sub ext_reply($$%) {	1682	sub ext_reply($$@) {
1143	my ($self, $id, %msg) = @_;	1683	my ($self, $id, @msg) = @_;
1144		1684
1145	$msg{msgid} = $id;	1685	$self->ns->ext_reply ($id, @msg)
1146
1147	$self->send ("ext " . cf::to_json \%msg);
1148	}	1686	}
1149		1687
1150	=item $player->ext_event ($type, %msg)	1688	=item $player->ext_msg ($type, @msg)
1151		1689
1152	Sends an ext event to the client.	1690	Sends an ext event to the client.
1153		1691
1154	=cut	1692	=cut
1155		1693
1156	sub ext_event($$%) {	1694	sub ext_msg($$@) {
1157	my ($self, $type, %msg) = @_;	1695	my ($self, $type, @msg) = @_;
1158		1696
1159	$self->ns->ext_event ($type, %msg);	1697	$self->ns->ext_msg ($type, @msg);
1160	}	1698	}
1161		1699
1162	package cf;	1700	=head3 cf::region
		1701
		1702	=over 4
		1703
		1704	=cut
		1705
		1706	package cf::region;
		1707
		1708	=item cf::region::find_by_path $path
		1709
		1710	Tries to decuce the likely region for a map knowing only its path.
		1711
		1712	=cut
		1713
		1714	sub find_by_path($) {
		1715	my ($path) = @_;
		1716
		1717	my ($match, $specificity);
		1718
		1719	for my $region (list) {
		1720	if ($region->{match} && $path =~ $region->{match}) {
		1721	($match, $specificity) = ($region, $region->specificity)
		1722	if $region->specificity > $specificity;
		1723	}
		1724	}
		1725
		1726	$match
		1727	}
1163		1728
1164	=back	1729	=back
1165
1166		1730
1167	=head3 cf::map	1731	=head3 cf::map
1168		1732
1169	=over 4	1733	=over 4
1170		1734
…		…
1182	our $MAX_RESET = 3600;	1746	our $MAX_RESET = 3600;
1183	our $DEFAULT_RESET = 3000;	1747	our $DEFAULT_RESET = 3000;
1184		1748
1185	sub generate_random_map {	1749	sub generate_random_map {
1186	my ($self, $rmp) = @_;	1750	my ($self, $rmp) = @_;
		1751
		1752	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1753
1187	# mit "rum" bekleckern, nicht	1754	# mit "rum" bekleckern, nicht
1188	$self->_create_random_map (	1755	$self->_create_random_map (
1189	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1756	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1190	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1757	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1191	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1758	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1225	my ($self, $merge) = @_;	1792	my ($self, $merge) = @_;
1226		1793
1227	# we have to keep some variables in memory intact	1794	# we have to keep some variables in memory intact
1228	local $self->{path};	1795	local $self->{path};
1229	local $self->{load_path};	1796	local $self->{load_path};
1230	local $self->{deny_save};
1231	local $self->{deny_reset};
1232		1797
1233	$self->SUPER::thawer_merge ($merge);	1798	$self->SUPER::thawer_merge ($merge);
1234	}	1799	}
1235		1800
1236	sub normalise {	1801	sub normalise {
…		…
1283	$self->init; # pass $1 etc.	1848	$self->init; # pass $1 etc.
1284	return $self;	1849	return $self;
1285	}	1850	}
1286	}	1851	}
1287		1852
1288	Carp::carp "unable to resolve path '$path' (base '$base').";	1853	Carp::cluck "unable to resolve path '$path' (base '$base').";
1289	()	1854	()
1290	}	1855	}
1291		1856
1292	sub init {	1857	sub init {
1293	my ($self) = @_;	1858	my ($self) = @_;
…		…
1308		1873
1309	# the original (read-only) location	1874	# the original (read-only) location
1310	sub load_path {	1875	sub load_path {
1311	my ($self) = @_;	1876	my ($self) = @_;
1312		1877
1313	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1878	"$MAPDIR/$self->{path}.map"
1314	}	1879	}
1315		1880
1316	# the temporary/swap location	1881	# the temporary/swap location
1317	sub save_path {	1882	sub save_path {
1318	my ($self) = @_;	1883	my ($self) = @_;
1319		1884
1320	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1885	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1321	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1886	"$TMPDIR/$path.map"
1322	}	1887	}
1323		1888
1324	# the unique path, undef == no special unique path	1889	# the unique path, undef == no special unique path
1325	sub uniq_path {	1890	sub uniq_path {
1326	my ($self) = @_;	1891	my ($self) = @_;
1327		1892
1328	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1893	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1329	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1894	"$UNIQUEDIR/$path"
1330	}	1895	}
1331		1896
1332	# and all this just because we cannot iterate over	1897	sub decay_objects {
1333	# all maps in C++...
1334	sub change_all_map_light {
1335	my ($change) = @_;	1898	my ($self) = @_;
1336		1899
1337	$_->change_map_light ($change)	1900	return if $self->{deny_reset};
1338	for grep $_->outdoor, values %cf::MAP;	1901
		1902	$self->do_decay_objects;
1339	}	1903	}
1340		1904
1341	sub unlink_save {	1905	sub unlink_save {
1342	my ($self) = @_;	1906	my ($self) = @_;
1343		1907
…		…
1348		1912
1349	sub load_header_from($) {	1913	sub load_header_from($) {
1350	my ($self, $path) = @_;	1914	my ($self, $path) = @_;
1351		1915
1352	utf8::encode $path;	1916	utf8::encode $path;
1353	#aio_open $path, O_RDONLY, 0	1917	my $f = new_from_file cf::object::thawer $path
1354	# or return;
1355
1356	$self->_load_header ($path)
1357	or return;	1918	or return;
		1919
		1920	$self->_load_header ($f)
		1921	or return;
		1922
		1923	local $MAP_LOADING{$self->{path}} = $self;
		1924	$f->resolve_delayed_derefs;
1358		1925
1359	$self->{load_path} = $path;	1926	$self->{load_path} = $path;
1360		1927
1361	1	1928	1
1362	}	1929	}
…		…
1401	$self->load_header_orig	1968	$self->load_header_orig
1402	or return;	1969	or return;
1403	$self->prepare_orig;	1970	$self->prepare_orig;
1404	}	1971	}
1405		1972
		1973	$self->{deny_reset} = 1
		1974	if $self->no_reset;
		1975
		1976	$self->default_region (cf::region::find_by_path $self->{path})
		1977	unless $self->default_region;
		1978
1406	1	1979	1
1407	}	1980	}
1408		1981
1409	sub find;	1982	sub find;
1410	sub find {	1983	sub find {
1411	my ($path, $origin) = @_;	1984	my ($path, $origin) = @_;
1412		1985
1413	$path = normalise $path, $origin && $origin->path;	1986	$path = normalise $path, $origin && $origin->path;
1414		1987
		1988	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1415	cf::lock_wait "map_find:$path";	1989	my $guard2 = cf::lock_acquire "map_find:$path";
1416		1990
1417	$cf::MAP{$path} || do {	1991	$cf::MAP{$path} || do {
1418	my $guard = cf::lock_acquire "map_find:$path";
1419	my $map = new_from_path cf::map $path	1992	my $map = new_from_path cf::map $path
1420	or return;	1993	or return;
1421		1994
1422	$map->{last_save} = $cf::RUNTIME;	1995	$map->{last_save} = $cf::RUNTIME;
1423		1996
1424	$map->load_header	1997	$map->load_header
1425	or return;	1998	or return;
1426		1999
1427	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2000	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1428	# doing this can freeze the server in a sync job, obviously	2001	# doing this can freeze the server in a sync job, obviously
1429	#$cf::WAIT_FOR_TICK->wait;	2002	#$cf::WAIT_FOR_TICK->wait;
		2003	undef $guard2;
		2004	undef $guard1;
1430	$map->reset;	2005	$map->reset;
1431	undef $guard;
1432	return find $path;	2006	return find $path;
1433	}	2007	}
1434		2008
1435	$cf::MAP{$path} = $map	2009	$cf::MAP{$path} = $map
1436	}	2010	}
…		…
1443	my ($self) = @_;	2017	my ($self) = @_;
1444		2018
1445	local $self->{deny_reset} = 1; # loading can take a long time	2019	local $self->{deny_reset} = 1; # loading can take a long time
1446		2020
1447	my $path = $self->{path};	2021	my $path = $self->{path};
		2022
		2023	{
1448	my $guard = cf::lock_acquire "map_load:$path";	2024	my $guard = cf::lock_acquire "map_data:$path";
1449		2025
		2026	return unless $self->valid;
1450	return if $self->in_memory != cf::MAP_SWAPPED;	2027	return unless $self->in_memory == cf::MAP_SWAPPED;
1451		2028
1452	$self->in_memory (cf::MAP_LOADING);	2029	$self->in_memory (cf::MAP_LOADING);
1453		2030
1454	$self->alloc;	2031	$self->alloc;
1455		2032
1456	$self->pre_load;	2033	$self->pre_load;
		2034	cf::cede_to_tick;
1457		2035
1458	$self->_load_objects ($self->{load_path}, 1)	2036	my $f = new_from_file cf::object::thawer $self->{load_path};
		2037	$f->skip_block;
		2038	$self->_load_objects ($f)
1459	or return;	2039	or return;
1460		2040
1461	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2041	$self->post_load_original
1462	if delete $self->{load_original};	2042	if delete $self->{load_original};
1463		2043
1464	if (my $uniq = $self->uniq_path) {	2044	if (my $uniq = $self->uniq_path) {
1465	utf8::encode $uniq;	2045	utf8::encode $uniq;
1466	if (aio_open $uniq, O_RDONLY, 0) {	2046	unless (aio_stat $uniq) {
		2047	if (my $f = new_from_file cf::object::thawer $uniq) {
1467	$self->clear_unique_items;	2048	$self->clear_unique_items;
1468	$self->_load_objects ($uniq, 0);	2049	$self->_load_objects ($f);
		2050	$f->resolve_delayed_derefs;
		2051	}
1469	}	2052	}
1470	}	2053	}
1471		2054
1472	Coro::cede;	2055	$f->resolve_delayed_derefs;
1473		2056
		2057	cf::cede_to_tick;
1474	# now do the right thing for maps	2058	# now do the right thing for maps
1475	$self->link_multipart_objects;	2059	$self->link_multipart_objects;
1476
1477	unless ($self->{deny_activate}) {
1478	$self->decay_objects;
1479	$self->fix_auto_apply;
1480	$self->update_buttons;
1481	Coro::cede;
1482	$self->set_darkness_map;
1483	$self->difficulty ($self->estimate_difficulty)	2060	$self->difficulty ($self->estimate_difficulty)
1484	unless $self->difficulty;	2061	unless $self->difficulty;
1485	Coro::cede;	2062	cf::cede_to_tick;
		2063
		2064	unless ($self->{deny_activate}) {
		2065	$self->decay_objects;
		2066	$self->fix_auto_apply;
		2067	$self->update_buttons;
		2068	cf::cede_to_tick;
1486	$self->activate;	2069	$self->activate;
		2070	}
		2071
		2072	$self->{last_save} = $cf::RUNTIME;
		2073	$self->last_access ($cf::RUNTIME);
		2074
		2075	$self->in_memory (cf::MAP_ACTIVE);
1487	}	2076	}
1488		2077
1489	$self->post_load;	2078	$self->post_load;
1490
1491	$self->in_memory (cf::MAP_IN_MEMORY);
1492	}	2079	}
1493		2080
1494	sub customise_for {	2081	sub customise_for {
1495	my ($self, $ob) = @_;	2082	my ($self, $ob) = @_;
1496		2083
1497	return find "~" . $ob->name . "/" . $self->{path}	2084	return find "~" . $ob->name . "/" . $self->{path}
1498	if $self->per_player;	2085	if $self->per_player;
1499		2086
		2087	# return find "?party/" . $ob->name . "/" . $self->{path}
		2088	# if $self->per_party;
		2089
1500	$self	2090	$self
1501	}	2091	}
1502		2092
1503	# find and load all maps in the 3x3 area around a map	2093	# find and load all maps in the 3x3 area around a map
1504	sub load_diag {	2094	sub load_neighbours {
1505	my ($map) = @_;	2095	my ($map) = @_;
1506		2096
1507	my @diag; # diagonal neighbours	2097	my @neigh; # diagonal neighbours
1508		2098
1509	for (0 .. 3) {	2099	for (0 .. 3) {
1510	my $neigh = $map->tile_path ($_)	2100	my $neigh = $map->tile_path ($_)
1511	or next;	2101	or next;
1512	$neigh = find $neigh, $map	2102	$neigh = find $neigh, $map
1513	or next;	2103	or next;
1514	$neigh->load;	2104	$neigh->load;
1515		2105
		2106	push @neigh,
1516	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2107	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1517	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2108	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1518	}	2109	}
1519		2110
1520	for (@diag) {	2111	for (grep defined $_->[0], @neigh) {
		2112	my ($path, $origin) = @$_;
1521	my $neigh = find @$_	2113	my $neigh = find $path, $origin
1522	or next;	2114	or next;
1523	$neigh->load;	2115	$neigh->load;
1524	}	2116	}
1525	}	2117	}
1526		2118
…		…
1531	}	2123	}
1532		2124
1533	sub do_load_sync {	2125	sub do_load_sync {
1534	my ($map) = @_;	2126	my ($map) = @_;
1535		2127
		2128	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2129	if $Coro::current == $Coro::main;
		2130
1536	cf::sync_job { $map->load };	2131	cf::sync_job { $map->load };
1537	}	2132	}
1538		2133
1539	our %MAP_PREFETCH;	2134	our %MAP_PREFETCH;
1540	our $MAP_PREFETCHER = undef;	2135	our $MAP_PREFETCHER = undef;
1541		2136
1542	sub find_async {	2137	sub find_async {
1543	my ($path, $origin) = @_;	2138	my ($path, $origin, $load) = @_;
1544		2139
1545	$path = normalise $path, $origin && $origin->{path};	2140	$path = normalise $path, $origin && $origin->{path};
1546		2141
1547	if (my $map = $cf::MAP{$path}) {	2142	if (my $map = $cf::MAP{$path}) {
1548	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2143	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1549	}	2144	}
1550		2145
1551	undef $MAP_PREFETCH{$path};	2146	$MAP_PREFETCH{$path} |= $load;
		2147
1552	$MAP_PREFETCHER ||= cf::async {	2148	$MAP_PREFETCHER ||= cf::async {
		2149	$Coro::current->{desc} = "map prefetcher";
		2150
1553	while (%MAP_PREFETCH) {	2151	while (%MAP_PREFETCH) {
1554	for my $path (keys %MAP_PREFETCH) {	2152	while (my ($k, $v) = each %MAP_PREFETCH) {
1555	my $map = find $path	2153	if (my $map = find $k) {
1556	or next;
1557	$map->load;	2154	$map->load if $v;
		2155	}
1558		2156
1559	delete $MAP_PREFETCH{$path};	2157	delete $MAP_PREFETCH{$k};
1560	}	2158	}
1561	}	2159	}
1562	undef $MAP_PREFETCHER;	2160	undef $MAP_PREFETCHER;
1563	};	2161	};
1564	$MAP_PREFETCHER->prio (6);	2162	$MAP_PREFETCHER->prio (6);
…		…
1567	}	2165	}
1568		2166
1569	sub save {	2167	sub save {
1570	my ($self) = @_;	2168	my ($self) = @_;
1571		2169
1572	my $lock = cf::lock_acquire "map_data:" . $self->path;	2170	my $lock = cf::lock_acquire "map_data:$self->{path}";
1573		2171
1574	$self->{last_save} = $cf::RUNTIME;	2172	$self->{last_save} = $cf::RUNTIME;
1575		2173
1576	return unless $self->dirty;	2174	return unless $self->dirty;
1577		2175
…		…
1583	return if $self->{deny_save};	2181	return if $self->{deny_save};
1584		2182
1585	local $self->{last_access} = $self->last_access;#d#	2183	local $self->{last_access} = $self->last_access;#d#
1586		2184
1587	cf::async {	2185	cf::async {
		2186	$Coro::current->{desc} = "map player save";
1588	$_->contr->save for $self->players;	2187	$_->contr->save for $self->players;
1589	};	2188	};
		2189
		2190	cf::get_slot 0.02;
1590		2191
1591	if ($uniq) {	2192	if ($uniq) {
1592	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2193	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1593	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2194	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1594	} else {	2195	} else {
…		…
1600	my ($self) = @_;	2201	my ($self) = @_;
1601		2202
1602	# save first because save cedes	2203	# save first because save cedes
1603	$self->save;	2204	$self->save;
1604		2205
1605	my $lock = cf::lock_acquire "map_data:" . $self->path;	2206	my $lock = cf::lock_acquire "map_data:$self->{path}";
1606		2207
1607	return if $self->players;	2208	return if $self->players;
1608	return if $self->in_memory != cf::MAP_IN_MEMORY;	2209	return if $self->in_memory != cf::MAP_ACTIVE;
1609	return if $self->{deny_save};	2210	return if $self->{deny_save};
1610		2211
		2212	$self->in_memory (cf::MAP_SWAPPED);
		2213
		2214	$self->deactivate;
		2215	$_->clear_links_to ($self) for values %cf::MAP;
1611	$self->clear;	2216	$self->clear;
1612	$self->in_memory (cf::MAP_SWAPPED);
1613	}	2217	}
1614		2218
1615	sub reset_at {	2219	sub reset_at {
1616	my ($self) = @_;	2220	my ($self) = @_;
1617		2221
1618	# TODO: safety, remove and allow resettable per-player maps	2222	# TODO: safety, remove and allow resettable per-player maps
1619	return 1e99 if $self->isa ("ext::map_per_player");#d#
1620	return 1e99 if $self->{deny_reset};	2223	return 1e99 if $self->{deny_reset};
1621		2224
1622	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2225	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1623	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2226	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1624		2227
…		…
1635	my ($self) = @_;	2238	my ($self) = @_;
1636		2239
1637	my $lock = cf::lock_acquire "map_data:$self->{path}";	2240	my $lock = cf::lock_acquire "map_data:$self->{path}";
1638		2241
1639	return if $self->players;	2242	return if $self->players;
1640	return if $self->isa ("ext::map_per_player");#d#
1641		2243
1642	warn "resetting map ", $self->path;#d#	2244	warn "resetting map ", $self->path, "\n";
1643		2245
1644	$self->in_memory (cf::MAP_SWAPPED);	2246	$self->in_memory (cf::MAP_SWAPPED);
1645		2247
1646	# need to save uniques path	2248	# need to save uniques path
1647	unless ($self->{deny_save}) {	2249	unless ($self->{deny_save}) {
…		…
1651	if $uniq;	2253	if $uniq;
1652	}	2254	}
1653		2255
1654	delete $cf::MAP{$self->path};	2256	delete $cf::MAP{$self->path};
1655		2257
		2258	$self->deactivate;
		2259	$_->clear_links_to ($self) for values %cf::MAP;
1656	$self->clear;	2260	$self->clear;
1657
1658	$_->clear_links_to ($self) for values %cf::MAP;
1659		2261
1660	$self->unlink_save;	2262	$self->unlink_save;
1661	$self->destroy;	2263	$self->destroy;
1662	}	2264	}
1663		2265
1664	my $nuke_counter = "aaaa";	2266	my $nuke_counter = "aaaa";
1665		2267
1666	sub nuke {	2268	sub nuke {
1667	my ($self) = @_;	2269	my ($self) = @_;
1668		2270
		2271	{
		2272	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2273
1669	delete $cf::MAP{$self->path};	2274	delete $cf::MAP{$self->path};
1670		2275
1671	$self->unlink_save;	2276	$self->unlink_save;
1672		2277
1673	bless $self, "cf::map";	2278	bless $self, "cf::map";
1674	delete $self->{deny_reset};	2279	delete $self->{deny_reset};
1675	$self->{deny_save} = 1;	2280	$self->{deny_save} = 1;
1676	$self->reset_timeout (1);	2281	$self->reset_timeout (1);
1677	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2282	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1678		2283
1679	$cf::MAP{$self->path} = $self;	2284	$cf::MAP{$self->path} = $self;
		2285	}
1680		2286
1681	$self->reset; # polite request, might not happen	2287	$self->reset; # polite request, might not happen
		2288	}
		2289
		2290	=item $maps = cf::map::tmp_maps
		2291
		2292	Returns an arrayref with all map paths of currently instantiated and saved
		2293	maps. May block.
		2294
		2295	=cut
		2296
		2297	sub tmp_maps() {
		2298	[
		2299	map {
		2300	utf8::decode $_;
		2301	/\.map$/
		2302	? normalise $_
		2303	: ()
		2304	} @{ aio_readdir $TMPDIR or [] }
		2305	]
		2306	}
		2307
		2308	=item $maps = cf::map::random_maps
		2309
		2310	Returns an arrayref with all map paths of currently instantiated and saved
		2311	random maps. May block.
		2312
		2313	=cut
		2314
		2315	sub random_maps() {
		2316	[
		2317	map {
		2318	utf8::decode $_;
		2319	/\.map$/
		2320	? normalise "?random/$_"
		2321	: ()
		2322	} @{ aio_readdir $RANDOMDIR or [] }
		2323	]
1682	}	2324	}
1683		2325
1684	=item cf::map::unique_maps	2326	=item cf::map::unique_maps
1685		2327
1686	Returns an arrayref of paths of all shared maps that have	2328	Returns an arrayref of paths of all shared maps that have
1687	instantiated unique items. May block.	2329	instantiated unique items. May block.
1688		2330
1689	=cut	2331	=cut
1690		2332
1691	sub unique_maps() {	2333	sub unique_maps() {
1692	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2334	[
1693	or return;	2335	map {
1694
1695	my @paths;
1696
1697	for (@$files) {
1698	utf8::decode $_;	2336	utf8::decode $_;
1699	next if /\.pst$/;	2337	s/\.map$//; # TODO future compatibility hack
1700	next unless /^$PATH_SEP/o;	2338	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1701		2339	? ()
1702	push @paths, cf::map::normalise $_;	2340	: normalise $_
		2341	} @{ aio_readdir $UNIQUEDIR or [] }
1703	}	2342	]
1704
1705	\@paths
1706	}	2343	}
1707
1708	package cf;
1709		2344
1710	=back	2345	=back
1711		2346
1712	=head3 cf::object	2347	=head3 cf::object
1713		2348
…		…
1717		2352
1718	=over 4	2353	=over 4
1719		2354
1720	=item $ob->inv_recursive	2355	=item $ob->inv_recursive
1721		2356
1722	Returns the inventory of the object _and_ their inventories, recursively.	2357	Returns the inventory of the object I<and> their inventories, recursively,
		2358	but I<not> the object itself.
1723		2359
1724	=cut	2360	=cut
1725		2361
1726	sub inv_recursive_;	2362	sub inv_recursive_;
1727	sub inv_recursive_ {	2363	sub inv_recursive_ {
…		…
1730		2366
1731	sub inv_recursive {	2367	sub inv_recursive {
1732	inv_recursive_ inv $_[0]	2368	inv_recursive_ inv $_[0]
1733	}	2369	}
1734		2370
		2371	=item $ref = $ob->ref
		2372
		2373	Creates and returns a persistent reference to an object that can be stored as a string.
		2374
		2375	=item $ob = cf::object::deref ($refstring)
		2376
		2377	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2378	even if the object actually exists. May block.
		2379
		2380	=cut
		2381
		2382	sub deref {
		2383	my ($ref) = @_;
		2384
		2385	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2386	my ($uuid, $name) = ($1, $2);
		2387	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2388	or return;
		2389	$pl->ob->uuid eq $uuid
		2390	or return;
		2391
		2392	$pl->ob
		2393	} else {
		2394	warn "$ref: cannot resolve object reference\n";
		2395	undef
		2396	}
		2397	}
		2398
1735	package cf;	2399	package cf;
1736		2400
1737	=back	2401	=back
1738		2402
1739	=head3 cf::object::player	2403	=head3 cf::object::player
…		…
1745	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2409	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1746	can be C<undef>. Does the right thing when the player is currently in a	2410	can be C<undef>. Does the right thing when the player is currently in a
1747	dialogue with the given NPC character.	2411	dialogue with the given NPC character.
1748		2412
1749	=cut	2413	=cut
		2414
		2415	our $SAY_CHANNEL = {
		2416	id => "say",
		2417	title => "Map",
		2418	reply => "say ",
		2419	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2420	};
		2421
		2422	our $CHAT_CHANNEL = {
		2423	id => "chat",
		2424	title => "Chat",
		2425	reply => "chat ",
		2426	tooltip => "Player chat and shouts, global to the server.",
		2427	};
1750		2428
1751	# rough implementation of a future "reply" method that works	2429	# rough implementation of a future "reply" method that works
1752	# with dialog boxes.	2430	# with dialog boxes.
1753	#TODO: the first argument must go, split into a $npc->reply_to ( method	2431	#TODO: the first argument must go, split into a $npc->reply_to ( method
1754	sub cf::object::player::reply($$$;$) {	2432	sub cf::object::player::reply($$$;$) {
…		…
1756		2434
1757	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2435	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1758		2436
1759	if ($self->{record_replies}) {	2437	if ($self->{record_replies}) {
1760	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2438	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2439
1761	} else {	2440	} else {
		2441	my $pl = $self->contr;
		2442
		2443	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2444	my $dialog = $pl->{npc_dialog};
		2445	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2446
		2447	} else {
1762	$msg = $npc->name . " says: $msg" if $npc;	2448	$msg = $npc->name . " says: $msg" if $npc;
1763	$self->message ($msg, $flags);	2449	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2450	}
1764	}	2451	}
		2452	}
		2453
		2454	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2455
		2456	=cut
		2457
		2458	sub cf::object::send_msg {
		2459	my $pl = shift->contr
		2460	or return;
		2461	$pl->send_msg (@_);
1765	}	2462	}
1766		2463
1767	=item $player_object->may ("access")	2464	=item $player_object->may ("access")
1768		2465
1769	Returns wether the given player is authorized to access resource "access"	2466	Returns wether the given player is authorized to access resource "access"
…		…
1782		2479
1783	=item $player_object->enter_link	2480	=item $player_object->enter_link
1784		2481
1785	Freezes the player and moves him/her to a special map (C<{link}>).	2482	Freezes the player and moves him/her to a special map (C<{link}>).
1786		2483
1787	The player should be reasonably safe there for short amounts of time. You	2484	The player should be reasonably safe there for short amounts of time (e.g.
1788	I<MUST> call C<leave_link> as soon as possible, though.	2485	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2486	though, as the palyer cannot control the character while it is on the link
		2487	map.
1789		2488
1790	Will never block.	2489	Will never block.
1791		2490
1792	=item $player_object->leave_link ($map, $x, $y)	2491	=item $player_object->leave_link ($map, $x, $y)
1793		2492
…		…
1816	$self->deactivate_recursive;	2515	$self->deactivate_recursive;
1817		2516
1818	return if UNIVERSAL::isa $self->map, "ext::map_link";	2517	return if UNIVERSAL::isa $self->map, "ext::map_link";
1819		2518
1820	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2519	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1821	if $self->map;	2520	if $self->map && $self->map->{path} ne "{link}";
1822		2521
1823	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2522	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1824	}	2523	}
1825		2524
1826	sub cf::object::player::leave_link {	2525	sub cf::object::player::leave_link {
1827	my ($self, $map, $x, $y) = @_;	2526	my ($self, $map, $x, $y) = @_;
		2527
		2528	return unless $self->contr->active;
1828		2529
1829	my $link_pos = delete $self->{_link_pos};	2530	my $link_pos = delete $self->{_link_pos};
1830		2531
1831	unless ($map) {	2532	unless ($map) {
1832	# restore original map position	2533	# restore original map position
…		…
1846	# use -1 or undef as default coordinates, not 0, 0	2547	# use -1 or undef as default coordinates, not 0, 0
1847	($x, $y) = ($map->enter_x, $map->enter_y)	2548	($x, $y) = ($map->enter_x, $map->enter_y)
1848	if $x <=0 && $y <= 0;	2549	if $x <=0 && $y <= 0;
1849		2550
1850	$map->load;	2551	$map->load;
1851	$map->load_diag;	2552	$map->load_neighbours;
1852		2553
1853	return unless $self->contr->active;	2554	return unless $self->contr->active;
1854	$self->activate_recursive;
1855		2555
1856	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2556	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1857	$self->enter_map ($map, $x, $y);	2557	$self->enter_map ($map, $x, $y);
1858	}
1859		2558
1860	cf::player->attach (	2559	# only activate afterwards, to support waiting in hooks
1861	on_logout => sub {	2560	$self->activate_recursive;
1862	my ($pl) = @_;	2561	}
1863		2562
1864	# abort map switching before logout	2563	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1865	if ($pl->ob->{_link_pos}) {
1866	cf::sync_job {
1867	$pl->ob->leave_link
1868	};
1869	}
1870	},
1871	on_login => sub {
1872	my ($pl) = @_;
1873		2564
1874	# try to abort aborted map switching on player login :)	2565	Moves the player to the given map-path and coordinates by first freezing
1875	# should happen only on crashes	2566	her, loading and preparing them map, calling the provided $check callback
1876	if ($pl->ob->{_link_pos}) {	2567	that has to return the map if sucecssful, and then unfreezes the player on
1877	$pl->ob->enter_link;	2568	the new (success) or old (failed) map position. In either case, $done will
1878	(async {	2569	be called at the end of this process.
1879	$pl->ob->reply (undef,
1880	"There was an internal problem at your last logout, "
1881	. "the server will try to bring you to your intended destination in a second.",
1882	cf::NDI_RED);
1883	# we need this sleep as the login has a concurrent enter_exit running
1884	# and this sleep increases chances of the player not ending up in scorn
1885	Coro::Timer::sleep 1;
1886	$pl->ob->leave_link;
1887	})->prio (2);
1888	}
1889	},
1890	);
1891		2570
1892	=item $player_object->goto ($path, $x, $y)	2571	Note that $check will be called with a potentially non-loaded map, so if
		2572	it needs a loaded map it has to call C<< ->load >>.
1893		2573
1894	=cut	2574	=cut
		2575
		2576	our $GOTOGEN;
1895		2577
1896	sub cf::object::player::goto {	2578	sub cf::object::player::goto {
1897	my ($self, $path, $x, $y) = @_;	2579	my ($self, $path, $x, $y, $check, $done) = @_;
		2580
		2581	# do generation counting so two concurrent goto's will be executed in-order
		2582	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1898		2583
1899	$self->enter_link;	2584	$self->enter_link;
1900		2585
1901	(async {	2586	(async {
		2587	$Coro::current->{desc} = "player::goto $path $x $y";
		2588
		2589	# *tag paths override both path and x|y
		2590	if ($path =~ /^\*(.*)$/) {
		2591	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2592	my $ob = $obs[rand @obs];
		2593
		2594	# see if we actually can go there
		2595	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2596	$ob = $obs[rand @obs];
		2597	} else {
		2598	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2599	}
		2600	# else put us there anyways for now #d#
		2601
		2602	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2603	} else {
		2604	($path, $x, $y) = (undef, undef, undef);
		2605	}
		2606	}
		2607
1902	my $map = eval {	2608	my $map = eval {
1903	my $map = cf::map::find $path;	2609	my $map = defined $path ? cf::map::find $path : undef;
		2610
		2611	if ($map) {
1904	$map = $map->customise_for ($self) if $map;	2612	$map = $map->customise_for ($self);
		2613	$map = $check->($map) if $check && $map;
		2614	} else {
		2615	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2616	}
		2617
1905	$map	2618	$map
		2619	};
		2620
		2621	if ($@) {
		2622	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2623	LOG llevError | logBacktrace, Carp::longmess $@;
1906	} or	2624	}
1907	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1908		2625
		2626	if ($gen == $self->{_goto_generation}) {
		2627	delete $self->{_goto_generation};
1909	$self->leave_link ($map, $x, $y);	2628	$self->leave_link ($map, $x, $y);
		2629	}
		2630
		2631	$done->() if $done;
1910	})->prio (1);	2632	})->prio (1);
1911	}	2633	}
1912		2634
1913	=item $player_object->enter_exit ($exit_object)	2635	=item $player_object->enter_exit ($exit_object)
1914		2636
…		…
1934	}	2656	}
1935		2657
1936	sub prepare_random_map {	2658	sub prepare_random_map {
1937	my ($exit) = @_;	2659	my ($exit) = @_;
1938		2660
1939	my $guard = cf::lock_acquire "exit_prepare:$exit";
1940
1941	# all this does is basically replace the /! path by	2661	# all this does is basically replace the /! path by
1942	# a new random map path (?random/...) with a seed	2662	# a new random map path (?random/...) with a seed
1943	# that depends on the exit object	2663	# that depends on the exit object
1944		2664
1945	my $rmp = parse_random_map_params $exit->msg;	2665	my $rmp = parse_random_map_params $exit->msg;
…		…
1947	if ($exit->map) {	2667	if ($exit->map) {
1948	$rmp->{region} = $exit->region->name;	2668	$rmp->{region} = $exit->region->name;
1949	$rmp->{origin_map} = $exit->map->path;	2669	$rmp->{origin_map} = $exit->map->path;
1950	$rmp->{origin_x} = $exit->x;	2670	$rmp->{origin_x} = $exit->x;
1951	$rmp->{origin_y} = $exit->y;	2671	$rmp->{origin_y} = $exit->y;
		2672
		2673	$exit->map->touch;
1952	}	2674	}
1953		2675
1954	$rmp->{random_seed} ||= $exit->random_seed;	2676	$rmp->{random_seed} ||= $exit->random_seed;
1955		2677
1956	my $data = cf::to_json $rmp;	2678	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1957	my $md5 = Digest::MD5::md5_hex $data;	2679	my $md5 = Digest::MD5::md5_hex $data;
1958	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2680	my $meta = "$RANDOMDIR/$md5.meta";
1959		2681
1960	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2682	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1961	aio_write $fh, 0, (length $data), $data, 0;	2683	aio_write $fh, 0, (length $data), $data, 0;
1962	undef $fh;	2684	undef $fh;
1963	aio_rename "$meta~", $meta;	2685	aio_rename "$meta~", $meta;
1964		2686
		2687	my $slaying = "?random/$md5";
		2688
		2689	if ($exit->valid) {
1965	$exit->slaying ("?random/$md5");	2690	$exit->slaying ("?random/$md5");
1966	$exit->msg (undef);	2691	$exit->msg (undef);
		2692	}
1967	}	2693	}
1968	}	2694	}
1969		2695
1970	sub cf::object::player::enter_exit {	2696	sub cf::object::player::enter_exit {
1971	my ($self, $exit) = @_;	2697	my ($self, $exit) = @_;
1972		2698
1973	return unless $self->type == cf::PLAYER;	2699	return unless $self->type == cf::PLAYER;
1974		2700
1975	if ($exit->slaying eq "/!") {
1976	#TODO: this should de-fi-ni-te-ly not be a sync-job
1977	# the problem is that $exit might not survive long enough
1978	# so it needs to be done right now, right here
1979	cf::sync_job { prepare_random_map $exit };
1980	}
1981
1982	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1983	my $hp = $exit->stats->hp;
1984	my $sp = $exit->stats->sp;
1985
1986	$self->enter_link;	2701	$self->enter_link;
1987		2702
1988	(async {	2703	(async {
1989	$self->deactivate_recursive; # just to be sure	2704	$Coro::current->{desc} = "enter_exit";
		2705
1990	unless (eval {	2706	unless (eval {
		2707	$self->deactivate_recursive; # just to be sure
		2708
		2709	# random map handling
		2710	{
		2711	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2712
		2713	prepare_random_map $exit
		2714	if $exit->slaying eq "/!";
		2715	}
		2716
		2717	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2718	my $x = $exit->stats->hp;
		2719	my $y = $exit->stats->sp;
		2720
1991	$self->goto ($slaying, $hp, $sp);	2721	$self->goto ($map, $x, $y);
1992		2722
		2723	# if exit is damned, update players death & WoR home-position
		2724	$self->contr->savebed ($map, $x, $y)
		2725	if $exit->flag (cf::FLAG_DAMNED);
		2726
1993	1;	2727	1
1994	}) {	2728	}) {
1995	$self->message ("Something went wrong deep within the crossfire server. "	2729	$self->message ("Something went wrong deep within the deliantra server. "
1996	. "I'll try to bring you back to the map you were before. "	2730	. "I'll try to bring you back to the map you were before. "
1997	. "Please report this to the dungeon master!",	2731	. "Please report this to the dungeon master!",
1998	cf::NDI_UNIQUE | cf::NDI_RED);	2732	cf::NDI_UNIQUE | cf::NDI_RED);
1999		2733
2000	warn "ERROR in enter_exit: $@";	2734	warn "ERROR in enter_exit: $@";
…		…
2019		2753
2020	utf8::encode $text;	2754	utf8::encode $text;
2021	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2755	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2022	}	2756	}
2023		2757
		2758	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2759
		2760	Send a drawinfo or msg packet to the client, formatting the msg for the
		2761	client if neccessary. C<$type> should be a string identifying the type of
		2762	the message, with C<log> being the default. If C<$color> is negative, suppress
		2763	the message unless the client supports the msg packet.
		2764
		2765	=cut
		2766
		2767	# non-persistent channels (usually the info channel)
		2768	our %CHANNEL = (
		2769	"c/identify" => {
		2770	id => "infobox",
		2771	title => "Identify",
		2772	reply => undef,
		2773	tooltip => "Items recently identified",
		2774	},
		2775	"c/examine" => {
		2776	id => "infobox",
		2777	title => "Examine",
		2778	reply => undef,
		2779	tooltip => "Signs and other items you examined",
		2780	},
		2781	"c/book" => {
		2782	id => "infobox",
		2783	title => "Book",
		2784	reply => undef,
		2785	tooltip => "The contents of a note or book",
		2786	},
		2787	"c/lookat" => {
		2788	id => "infobox",
		2789	title => "Look",
		2790	reply => undef,
		2791	tooltip => "What you saw there",
		2792	},
		2793	"c/who" => {
		2794	id => "infobox",
		2795	title => "Players",
		2796	reply => undef,
		2797	tooltip => "Shows players who are currently online",
		2798	},
		2799	"c/body" => {
		2800	id => "infobox",
		2801	title => "Body Parts",
		2802	reply => undef,
		2803	tooltip => "Shows which body parts you posess and are available",
		2804	},
		2805	"c/statistics" => {
		2806	id => "infobox",
		2807	title => "Statistics",
		2808	reply => undef,
		2809	tooltip => "Shows your primary statistics",
		2810	},
		2811	"c/skills" => {
		2812	id => "infobox",
		2813	title => "Skills",
		2814	reply => undef,
		2815	tooltip => "Shows your experience per skill and item power",
		2816	},
		2817	"c/shopitems" => {
		2818	id => "infobox",
		2819	title => "Shop Items",
		2820	reply => undef,
		2821	tooltip => "Shows the items currently for sale in this shop",
		2822	},
		2823	"c/resistances" => {
		2824	id => "infobox",
		2825	title => "Resistances",
		2826	reply => undef,
		2827	tooltip => "Shows your resistances",
		2828	},
		2829	"c/pets" => {
		2830	id => "infobox",
		2831	title => "Pets",
		2832	reply => undef,
		2833	tooltip => "Shows information abotu your pets/a specific pet",
		2834	},
		2835	"c/perceiveself" => {
		2836	id => "infobox",
		2837	title => "Perceive Self",
		2838	reply => undef,
		2839	tooltip => "You gained detailed knowledge about yourself",
		2840	},
		2841	"c/uptime" => {
		2842	id => "infobox",
		2843	title => "Uptime",
		2844	reply => undef,
		2845	tooltip => "How long the server has been running since last restart",
		2846	},
		2847	"c/mapinfo" => {
		2848	id => "infobox",
		2849	title => "Map Info",
		2850	reply => undef,
		2851	tooltip => "Information related to the maps",
		2852	},
		2853	"c/party" => {
		2854	id => "party",
		2855	title => "Party",
		2856	reply => "gsay ",
		2857	tooltip => "Messages and chat related to your party",
		2858	},
		2859	"c/death" => {
		2860	id => "death",
		2861	title => "Death",
		2862	reply => undef,
		2863	tooltip => "Reason for and more info about your most recent death",
		2864	},
		2865	"c/say" => $SAY_CHANNEL,
		2866	"c/chat" => $CHAT_CHANNEL,
		2867	);
		2868
		2869	sub cf::client::send_msg {
		2870	my ($self, $channel, $msg, $color, @extra) = @_;
		2871
		2872	$msg = $self->pl->expand_cfpod ($msg)
		2873	unless $color & cf::NDI_VERBATIM;
		2874
		2875	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2876
		2877	# check predefined channels, for the benefit of C
		2878	if ($CHANNEL{$channel}) {
		2879	$channel = $CHANNEL{$channel};
		2880
		2881	$self->ext_msg (channel_info => $channel);
		2882	$channel = $channel->{id};
		2883
		2884	} elsif (ref $channel) {
		2885	# send meta info to client, if not yet sent
		2886	unless (exists $self->{channel}{$channel->{id}}) {
		2887	$self->{channel}{$channel->{id}} = $channel;
		2888	$self->ext_msg (channel_info => $channel);
		2889	}
		2890
		2891	$channel = $channel->{id};
		2892	}
		2893
		2894	return unless @extra || length $msg;
		2895
		2896	# default colour, mask it out
		2897	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2898	if $color & cf::NDI_DEF;
		2899
		2900	my $pkt = "msg "
		2901	. $self->{json_coder}->encode (
		2902	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2903	);
		2904
		2905	# try lzf for large packets
		2906	$pkt = "lzf " . Compress::LZF::compress $pkt
		2907	if 1024 <= length $pkt and $self->{can_lzf};
		2908
		2909	# split very large packets
		2910	if (8192 < length $pkt and $self->{can_lzf}) {
		2911	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2912	$pkt = "frag";
		2913	}
		2914
		2915	$self->send_packet ($pkt);
		2916	}
		2917
2024	=item $client->ext_event ($type, %msg)	2918	=item $client->ext_msg ($type, @msg)
2025		2919
2026	Sends an exti event to the client.	2920	Sends an ext event to the client.
2027		2921
2028	=cut	2922	=cut
2029		2923
2030	sub cf::client::ext_event($$%) {	2924	sub cf::client::ext_msg($$@) {
2031	my ($self, $type, %msg) = @_;	2925	my ($self, $type, @msg) = @_;
2032		2926
		2927	if ($self->extcmd == 2) {
		2928	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2929	} elsif ($self->extcmd == 1) { # TODO: remove
2033	$msg{msgtype} = "event_$type";	2930	push @msg, msgtype => "event_$type";
2034	$self->send_packet ("ext " . cf::to_json \%msg);	2931	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2932	}
		2933	}
		2934
		2935	=item $client->ext_reply ($msgid, @msg)
		2936
		2937	Sends an ext reply to the client.
		2938
		2939	=cut
		2940
		2941	sub cf::client::ext_reply($$@) {
		2942	my ($self, $id, @msg) = @_;
		2943
		2944	if ($self->extcmd == 2) {
		2945	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2946	} elsif ($self->extcmd == 1) {
		2947	#TODO: version 1, remove
		2948	unshift @msg, msgtype => "reply", msgid => $id;
		2949	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2950	}
2035	}	2951	}
2036		2952
2037	=item $success = $client->query ($flags, "text", \&cb)	2953	=item $success = $client->query ($flags, "text", \&cb)
2038		2954
2039	Queues a query to the client, calling the given callback with	2955	Queues a query to the client, calling the given callback with
2040	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2956	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2041	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2957	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2042		2958
2043	Queries can fail, so check the return code. Or don't, as queries will become	2959	Queries can fail, so check the return code. Or don't, as queries will
2044	reliable at some point in the future.	2960	become reliable at some point in the future.
2045		2961
2046	=cut	2962	=cut
2047		2963
2048	sub cf::client::query {	2964	sub cf::client::query {
2049	my ($self, $flags, $text, $cb) = @_;	2965	my ($self, $flags, $text, $cb) = @_;
…		…
2057	utf8::encode $text;	2973	utf8::encode $text;
2058	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2974	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2059		2975
2060	$self->send_packet ($self->{query_queue}[0][0])	2976	$self->send_packet ($self->{query_queue}[0][0])
2061	if @{ $self->{query_queue} } == 1;	2977	if @{ $self->{query_queue} } == 1;
		2978
		2979	1
2062	}	2980	}
2063		2981
2064	cf::client->attach (	2982	cf::client->attach (
		2983	on_connect => sub {
		2984	my ($ns) = @_;
		2985
		2986	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2987	},
2065	on_reply => sub {	2988	on_reply => sub {
2066	my ($ns, $msg) = @_;	2989	my ($ns, $msg) = @_;
2067		2990
2068	# this weird shuffling is so that direct followup queries	2991	# this weird shuffling is so that direct followup queries
2069	# get handled first	2992	# get handled first
…		…
2081	} else {	3004	} else {
2082	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3005	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2083	}	3006	}
2084	}	3007	}
2085	},	3008	},
		3009	on_exticmd => sub {
		3010	my ($ns, $buf) = @_;
		3011
		3012	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3013
		3014	if (ref $msg) {
		3015	my ($type, $reply, @payload) =
		3016	"ARRAY" eq ref $msg
		3017	? @$msg
		3018	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3019
		3020	my @reply;
		3021
		3022	if (my $cb = $EXTICMD{$type}) {
		3023	@reply = $cb->($ns, @payload);
		3024	}
		3025
		3026	$ns->ext_reply ($reply, @reply)
		3027	if $reply;
		3028
		3029	} else {
		3030	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3031	}
		3032
		3033	cf::override;
		3034	},
2086	);	3035	);
2087		3036
2088	=item $client->async (\&cb)	3037	=item $client->async (\&cb)
2089		3038
2090	Create a new coroutine, running the specified callback. The coroutine will	3039	Create a new coroutine, running the specified callback. The coroutine will
…		…
2131	our $safe = new Safe "safe";	3080	our $safe = new Safe "safe";
2132	our $safe_hole = new Safe::Hole;	3081	our $safe_hole = new Safe::Hole;
2133		3082
2134	$SIG{FPE} = 'IGNORE';	3083	$SIG{FPE} = 'IGNORE';
2135		3084
2136	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3085	$safe->permit_only (Opcode::opset qw(
		3086	:base_core :base_mem :base_orig :base_math
		3087	grepstart grepwhile mapstart mapwhile
		3088	sort time
		3089	));
2137		3090
2138	# here we export the classes and methods available to script code	3091	# here we export the classes and methods available to script code
2139		3092
2140	=pod	3093	=pod
2141		3094
2142	The following functions and methods are available within a safe environment:	3095	The following functions and methods are available within a safe environment:
2143		3096
2144	cf::object contr pay_amount pay_player map	3097	cf::object
		3098	contr pay_amount pay_player map x y force_find force_add destroy
		3099	insert remove name archname title slaying race decrease split
		3100	value
		3101
2145	cf::object::player player	3102	cf::object::player
2146	cf::player peaceful	3103	player
2147	cf::map trigger	3104
		3105	cf::player
		3106	peaceful
		3107
		3108	cf::map
		3109	trigger
2148		3110
2149	=cut	3111	=cut
2150		3112
2151	for (	3113	for (
2152	["cf::object" => qw(contr pay_amount pay_player map)],	3114	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3115	insert remove inv nrof name archname title slaying race
		3116	decrease split destroy change_exp value msg lore send_msg)],
2153	["cf::object::player" => qw(player)],	3117	["cf::object::player" => qw(player)],
2154	["cf::player" => qw(peaceful)],	3118	["cf::player" => qw(peaceful send_msg)],
2155	["cf::map" => qw(trigger)],	3119	["cf::map" => qw(trigger)],
2156	) {	3120	) {
2157	no strict 'refs';	3121	no strict 'refs';
2158	my ($pkg, @funs) = @$_;	3122	my ($pkg, @funs) = @$_;
2159	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3123	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2176	my ($code, %vars) = @_;	3140	my ($code, %vars) = @_;
2177		3141
2178	my $qcode = $code;	3142	my $qcode = $code;
2179	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3143	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2180	$qcode =~ s/\n/\\n/g;	3144	$qcode =~ s/\n/\\n/g;
		3145
		3146	%vars = (_dummy => 0) unless %vars;
2181		3147
2182	local $_;	3148	local $_;
2183	local @safe::cf::_safe_eval_args = values %vars;	3149	local @safe::cf::_safe_eval_args = values %vars;
2184		3150
2185	my $eval =	3151	my $eval =
…		…
2228	=back	3194	=back
2229		3195
2230	=cut	3196	=cut
2231		3197
2232	#############################################################################	3198	#############################################################################
2233
2234	=head2 EXTENSION DATABASE SUPPORT
2235
2236	Crossfire maintains a very simple database for extension use. It can
2237	currently store anything that can be serialised using Storable, which
2238	excludes objects.
2239
2240	The parameter C<$family> should best start with the name of the extension
2241	using it, it should be unique.
2242
2243	=over 4
2244
2245	=item $value = cf::db_get $family => $key
2246
2247	Returns a single value from the database.
2248
2249	=item cf::db_put $family => $key => $value
2250
2251	Stores the given C<$value> in the family.
2252
2253	=cut
2254
2255	our $DB;
2256
2257	sub db_init {
2258	unless ($DB) {
2259	$DB = BDB::db_create $DB_ENV;
2260
2261	cf::sync_job {
2262	eval {
2263	$DB->set_flags (BDB::CHKSUM);
2264
2265	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2266	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2267	cf::cleanup "db_open(db): $!" if $!;
2268	};
2269	cf::cleanup "db_open(db): $@" if $@;
2270	};
2271
2272	my $path = cf::localdir . "/database.pst";
2273	if (stat $path) {
2274	cf::sync_job {
2275	my $pst = Storable::retrieve $path;
2276
2277	cf::db_put (board => data => $pst->{board});
2278	cf::db_put (guildrules => data => $pst->{guildrules});
2279	cf::db_put (rent => balance => $pst->{rent}{balance});
2280	BDB::db_env_txn_checkpoint $DB_ENV;
2281
2282	unlink $path;
2283	};
2284	}
2285	}
2286	}
2287
2288	sub db_get($$) {
2289	my $key = "$_[0]/$_[1]";
2290
2291	cf::sync_job {
2292	BDB::db_get $DB, undef, $key, my $data;
2293
2294	$! ? ()
2295	: Compress::LZF::sthaw $data
2296	}
2297	}
2298
2299	sub db_put($$$) {
2300	BDB::dbreq_pri 4;
2301	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2302	}
2303
2304	#############################################################################
2305	# the server's init and main functions	3199	# the server's init and main functions
2306		3200
2307	sub load_facedata {	3201	sub load_facedata($) {
2308	my $path = sprintf "%s/facedata", cf::datadir;	3202	my ($path) = @_;
		3203
		3204	# HACK to clear player env face cache, we need some signal framework
		3205	# for this (global event?)
		3206	%ext::player_env::MUSIC_FACE_CACHE = ();
		3207
		3208	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2309		3209
2310	warn "loading facedata from $path\n";	3210	warn "loading facedata from $path\n";
2311		3211
2312	my $facedata;	3212	my $facedata;
2313	0 < aio_load $path, $facedata	3213	0 < aio_load $path, $facedata
2314	or die "$path: $!";	3214	or die "$path: $!";
2315		3215
2316	Coro::cede;
2317	$facedata = Storable::thaw $facedata;	3216	$facedata = Coro::Storable::thaw $facedata;
2318	Coro::cede;
2319		3217
2320	$facedata->{version} == 2	3218	$facedata->{version} == 2
2321	or cf::cleanup "$path: version mismatch, cannot proceed.";	3219	or cf::cleanup "$path: version mismatch, cannot proceed.";
2322		3220
		3221	# patch in the exptable
		3222	$facedata->{resource}{"res/exp_table"} = {
		3223	type => FT_RSRC,
		3224	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3225	};
		3226	cf::cede_to_tick;
		3227
2323	{	3228	{
2324	my $faces = $facedata->{faceinfo};	3229	my $faces = $facedata->{faceinfo};
2325		3230
2326	while (my ($face, $info) = each %$faces) {	3231	while (my ($face, $info) = each %$faces) {
2327	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3232	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3233
2328	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3234	cf::face::set_visibility $idx, $info->{visibility};
		3235	cf::face::set_magicmap $idx, $info->{magicmap};
2329	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3236	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2330	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3237	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2331	Coro::cede;	3238
		3239	cf::cede_to_tick;
2332	}	3240	}
2333		3241
2334	while (my ($face, $info) = each %$faces) {	3242	while (my ($face, $info) = each %$faces) {
2335	next unless $info->{smooth};	3243	next unless $info->{smooth};
		3244
2336	my $idx = cf::face::find $face	3245	my $idx = cf::face::find $face
2337	or next;	3246	or next;
		3247
2338	if (my $smooth = cf::face::find $info->{smooth}) {	3248	if (my $smooth = cf::face::find $info->{smooth}) {
		3249	cf::face::set_smooth $idx, $smooth;
2339	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3250	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2340	} else {	3251	} else {
2341	warn "smooth face '$info->{smooth}' not found for face '$face'";	3252	warn "smooth face '$info->{smooth}' not found for face '$face'";
2342	}	3253	}
2343	Coro::cede;	3254
		3255	cf::cede_to_tick;
2344	}	3256	}
2345	}	3257	}
2346		3258
2347	{	3259	{
2348	my $anims = $facedata->{animinfo};	3260	my $anims = $facedata->{animinfo};
2349		3261
2350	while (my ($anim, $info) = each %$anims) {	3262	while (my ($anim, $info) = each %$anims) {
2351	cf::anim::set $anim, $info->{frames}, $info->{facings};	3263	cf::anim::set $anim, $info->{frames}, $info->{facings};
2352	Coro::cede;	3264	cf::cede_to_tick;
2353	}	3265	}
2354		3266
2355	cf::anim::invalidate_all; # d'oh	3267	cf::anim::invalidate_all; # d'oh
2356	}	3268	}
2357		3269
		3270	{
		3271	# TODO: for gcfclient pleasure, we should give resources
		3272	# that gcfclient doesn't grok a >10000 face index.
		3273	my $res = $facedata->{resource};
		3274
		3275	while (my ($name, $info) = each %$res) {
		3276	if (defined $info->{type}) {
		3277	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3278	my $data;
		3279
		3280	if ($info->{type} & 1) {
		3281	# prepend meta info
		3282
		3283	my $meta = $enc->encode ({
		3284	name => $name,
		3285	%{ $info->{meta} || {} },
		3286	});
		3287
		3288	$data = pack "(w/a*)*", $meta, $info->{data};
		3289	} else {
		3290	$data = $info->{data};
		3291	}
		3292
		3293	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3294	cf::face::set_type $idx, $info->{type};
		3295	} else {
		3296	$RESOURCE{$name} = $info;
		3297	}
		3298
		3299	cf::cede_to_tick;
		3300	}
		3301	}
		3302
		3303	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3304
2358	1	3305	1
2359	}	3306	}
2360		3307
		3308	cf::global->attach (on_resource_update => sub {
		3309	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3310	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3311
		3312	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3313	my $sound = $soundconf->{compat}[$_]
		3314	or next;
		3315
		3316	my $face = cf::face::find "sound/$sound->[1]";
		3317	cf::sound::set $sound->[0] => $face;
		3318	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3319	}
		3320
		3321	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3322	my $face = cf::face::find "sound/$v";
		3323	cf::sound::set $k => $face;
		3324	}
		3325	}
		3326	});
		3327
		3328	register_exticmd fx_want => sub {
		3329	my ($ns, $want) = @_;
		3330
		3331	while (my ($k, $v) = each %$want) {
		3332	$ns->fx_want ($k, $v);
		3333	}
		3334	};
		3335
		3336	sub load_resource_file($) {
		3337	my $guard = lock_acquire "load_resource_file";
		3338
		3339	my $status = load_resource_file_ $_[0];
		3340	get_slot 0.1, 100;
		3341	cf::arch::commit_load;
		3342
		3343	$status
		3344	}
		3345
		3346	sub reload_regions {
		3347	# HACK to clear player env face cache, we need some signal framework
		3348	# for this (global event?)
		3349	%ext::player_env::MUSIC_FACE_CACHE = ();
		3350
		3351	load_resource_file "$MAPDIR/regions"
		3352	or die "unable to load regions file\n";
		3353
		3354	for (cf::region::list) {
		3355	$_->{match} = qr/$_->{match}/
		3356	if exists $_->{match};
		3357	}
		3358	}
		3359
		3360	sub reload_facedata {
		3361	load_facedata "$DATADIR/facedata"
		3362	or die "unable to load facedata\n";
		3363	}
		3364
		3365	sub reload_archetypes {
		3366	load_resource_file "$DATADIR/archetypes"
		3367	or die "unable to load archetypes\n";
		3368	}
		3369
		3370	sub reload_treasures {
		3371	load_resource_file "$DATADIR/treasures"
		3372	or die "unable to load treasurelists\n";
		3373	}
		3374
2361	sub reload_resources {	3375	sub reload_resources {
2362	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3376	warn "reloading resource files...\n";
2363	or die "unable to load regions file\n";#d#	3377
2364	load_facedata	3378	reload_facedata;
2365	or die "unable to load facedata\n";#d#	3379	reload_archetypes;
2366	}
2367
2368	sub init {
2369	reload_resources;	3380	reload_regions;
2370	}	3381	reload_treasures;
2371		3382
2372	sub cfg_load {	3383	warn "finished reloading resource files\n";
		3384	}
		3385
		3386	sub reload_config {
2373	open my $fh, "<:utf8", cf::confdir . "/config"	3387	open my $fh, "<:utf8", "$CONFDIR/config"
2374	or return;	3388	or return;
2375		3389
2376	local $/;	3390	local $/;
2377	*CFG = YAML::Syck::Load <$fh>;	3391	*CFG = YAML::Load <$fh>;
2378		3392
2379	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3393	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2380		3394
2381	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3395	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2382	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3396	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2388	};	3402	};
2389	warn $@ if $@;	3403	warn $@ if $@;
2390	}	3404	}
2391	}	3405	}
2392		3406
		3407	sub pidfile() {
		3408	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3409	or die "$PIDFILE: $!";
		3410	flock $fh, &Fcntl::LOCK_EX
		3411	or die "$PIDFILE: flock: $!";
		3412	$fh
		3413	}
		3414
		3415	# make sure only one server instance is running at any one time
		3416	sub atomic {
		3417	my $fh = pidfile;
		3418
		3419	my $pid = <$fh>;
		3420	kill 9, $pid if $pid > 0;
		3421
		3422	seek $fh, 0, 0;
		3423	print $fh $$;
		3424	}
		3425
		3426	sub main_loop {
		3427	warn "EV::loop starting\n";
		3428	if (1) {
		3429	EV::loop;
		3430	}
		3431	warn "EV::loop returned\n";
		3432	goto &main_loop unless $REALLY_UNLOOP;
		3433	}
		3434
2393	sub main {	3435	sub main {
		3436	cf::init_globals; # initialise logging
		3437
		3438	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3439	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3440	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3441	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3442
		3443	cf::init_experience;
		3444	cf::init_anim;
		3445	cf::init_attackmess;
		3446	cf::init_dynamic;
		3447
		3448	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3449
2394	# we must not ever block the main coroutine	3450	# we must not ever block the main coroutine
2395	local $Coro::idle = sub {	3451	local $Coro::idle = sub {
2396	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3452	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2397	(async {	3453	(async {
2398	Event::one_event;	3454	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3455	EV::loop EV::LOOP_ONESHOT;
2399	})->prio (Coro::PRIO_MAX);	3456	})->prio (Coro::PRIO_MAX);
2400	};	3457	};
2401		3458
2402	cfg_load;	3459	evthread_start IO::AIO::poll_fileno;
		3460
		3461	cf::sync_job {
		3462	reload_resources;
		3463	reload_config;
2403	db_init;	3464	db_init;
		3465
		3466	cf::load_settings;
		3467	cf::load_materials;
		3468	cf::init_uuid;
		3469	cf::init_signals;
		3470	cf::init_commands;
		3471	cf::init_skills;
		3472
		3473	cf::init_beforeplay;
		3474
		3475	atomic;
		3476
2404	load_extensions;	3477	load_extensions;
2405		3478
2406	$TICK_WATCHER->start;	3479	utime time, time, $RUNTIMEFILE;
2407	Event::loop;	3480
		3481	# no (long-running) fork's whatsoever before this point(!)
		3482	use POSIX ();
		3483	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3484
		3485	(pop @POST_INIT)->(0) while @POST_INIT;
		3486	};
		3487
		3488	main_loop;
2408	}	3489	}
2409		3490
2410	#############################################################################	3491	#############################################################################
2411	# initialisation and cleanup	3492	# initialisation and cleanup
2412		3493
2413	# install some emergency cleanup handlers	3494	# install some emergency cleanup handlers
2414	BEGIN {	3495	BEGIN {
		3496	our %SIGWATCHER = ();
2415	for my $signal (qw(INT HUP TERM)) {	3497	for my $signal (qw(INT HUP TERM)) {
2416	Event->signal (	3498	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2417	reentrant => 0,
2418	data => WF_AUTOCANCEL,
2419	signal => $signal,
2420	prio => 0,
2421	cb => sub {
2422	cf::cleanup "SIG$signal";	3499	cf::cleanup "SIG$signal";
2423	},
2424	);	3500	};
		3501	}
		3502	}
		3503
		3504	sub write_runtime_sync {
		3505	# first touch the runtime file to show we are still running:
		3506	# the fsync below can take a very very long time.
		3507
		3508	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3509
		3510	my $guard = cf::lock_acquire "write_runtime";
		3511
		3512	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3513	or return;
		3514
		3515	my $value = $cf::RUNTIME + 90 + 10;
		3516	# 10 is the runtime save interval, for a monotonic clock
		3517	# 60 allows for the watchdog to kill the server.
		3518
		3519	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3520	and return;
		3521
		3522	# always fsync - this file is important
		3523	aio_fsync $fh
		3524	and return;
		3525
		3526	# touch it again to show we are up-to-date
		3527	aio_utime $fh, undef, undef;
		3528
		3529	close $fh
		3530	or return;
		3531
		3532	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3533	and return;
		3534
		3535	warn "runtime file written.\n";
		3536
2425	}	3537	1
		3538	}
		3539
		3540	our $uuid_lock;
		3541	our $uuid_skip;
		3542
		3543	sub write_uuid_sync($) {
		3544	$uuid_skip ||= $_[0];
		3545
		3546	return if $uuid_lock;
		3547	local $uuid_lock = 1;
		3548
		3549	my $uuid = "$LOCALDIR/uuid";
		3550
		3551	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3552	or return;
		3553
		3554	my $value = uuid_seq uuid_cur;
		3555
		3556	unless ($value) {
		3557	warn "cowardly refusing to write zero uuid value!\n";
		3558	return;
		3559	}
		3560
		3561	my $value = uuid_str $value + $uuid_skip;
		3562	$uuid_skip = 0;
		3563
		3564	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3565	and return;
		3566
		3567	# always fsync - this file is important
		3568	aio_fsync $fh
		3569	and return;
		3570
		3571	close $fh
		3572	or return;
		3573
		3574	aio_rename "$uuid~", $uuid
		3575	and return;
		3576
		3577	warn "uuid file written ($value).\n";
		3578
		3579	1
		3580
		3581	}
		3582
		3583	sub write_uuid($$) {
		3584	my ($skip, $sync) = @_;
		3585
		3586	$sync ? write_uuid_sync $skip
		3587	: async { write_uuid_sync $skip };
2426	}	3588	}
2427		3589
2428	sub emergency_save() {	3590	sub emergency_save() {
2429	my $freeze_guard = cf::freeze_mainloop;	3591	my $freeze_guard = cf::freeze_mainloop;
2430		3592
2431	warn "enter emergency perl save\n";	3593	warn "emergency_perl_save: enter\n";
2432		3594
2433	cf::sync_job {	3595	cf::sync_job {
		3596	# this is a trade-off: we want to be very quick here, so
		3597	# save all maps without fsync, and later call a global sync
		3598	# (which in turn might be very very slow)
		3599	local $USE_FSYNC = 0;
		3600
2434	# use a peculiar iteration method to avoid tripping on perl	3601	# use a peculiar iteration method to avoid tripping on perl
2435	# refcount bugs in for. also avoids problems with players	3602	# refcount bugs in for. also avoids problems with players
2436	# and maps saved/destroyed asynchronously.	3603	# and maps saved/destroyed asynchronously.
2437	warn "begin emergency player save\n";	3604	warn "emergency_perl_save: begin player save\n";
2438	for my $login (keys %cf::PLAYER) {	3605	for my $login (keys %cf::PLAYER) {
2439	my $pl = $cf::PLAYER{$login} or next;	3606	my $pl = $cf::PLAYER{$login} or next;
2440	$pl->valid or next;	3607	$pl->valid or next;
		3608	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2441	$pl->save;	3609	$pl->save;
2442	}	3610	}
2443	warn "end emergency player save\n";	3611	warn "emergency_perl_save: end player save\n";
2444		3612
2445	warn "begin emergency map save\n";	3613	warn "emergency_perl_save: begin map save\n";
2446	for my $path (keys %cf::MAP) {	3614	for my $path (keys %cf::MAP) {
2447	my $map = $cf::MAP{$path} or next;	3615	my $map = $cf::MAP{$path} or next;
2448	$map->valid or next;	3616	$map->valid or next;
2449	$map->save;	3617	$map->save;
2450	}	3618	}
2451	warn "end emergency map save\n";	3619	warn "emergency_perl_save: end map save\n";
2452		3620
2453	warn "begin emergency database checkpoint\n";	3621	warn "emergency_perl_save: begin database checkpoint\n";
2454	BDB::db_env_txn_checkpoint $DB_ENV;	3622	BDB::db_env_txn_checkpoint $DB_ENV;
2455	warn "end emergency database checkpoint\n";	3623	warn "emergency_perl_save: end database checkpoint\n";
		3624
		3625	warn "emergency_perl_save: begin write uuid\n";
		3626	write_uuid_sync 1;
		3627	warn "emergency_perl_save: end write uuid\n";
2456	};	3628	};
2457		3629
		3630	warn "emergency_perl_save: starting sync()\n";
		3631	IO::AIO::aio_sync sub {
		3632	warn "emergency_perl_save: finished sync()\n";
		3633	};
		3634
2458	warn "leave emergency perl save\n";	3635	warn "emergency_perl_save: leave\n";
2459	}	3636	}
2460		3637
2461	sub post_cleanup {	3638	sub post_cleanup {
2462	my ($make_core) = @_;	3639	my ($make_core) = @_;
2463		3640
2464	warn Carp::longmess "post_cleanup backtrace"	3641	warn Carp::longmess "post_cleanup backtrace"
2465	if $make_core;	3642	if $make_core;
2466	}
2467		3643
		3644	my $fh = pidfile;
		3645	unlink $PIDFILE if <$fh> == $$;
		3646	}
		3647
		3648	# a safer delete_package, copied from Symbol
		3649	sub clear_package($) {
		3650	my $pkg = shift;
		3651
		3652	# expand to full symbol table name if needed
		3653	unless ($pkg =~ /^main::.*::$/) {
		3654	$pkg = "main$pkg" if $pkg =~ /^::/;
		3655	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3656	$pkg .= '::' unless $pkg =~ /::$/;
		3657	}
		3658
		3659	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3660	my $stem_symtab = *{$stem}{HASH};
		3661
		3662	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3663	or return;
		3664
		3665	# clear all symbols
		3666	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3667	for my $name (keys %$leaf_symtab) {
		3668	_gv_clear *{"$pkg$name"};
		3669	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3670	}
		3671	warn "cleared package $pkg\n";#d#
		3672	}
		3673
2468	sub reload() {	3674	sub do_reload_perl() {
2469	# can/must only be called in main	3675	# can/must only be called in main
2470	if ($Coro::current != $Coro::main) {	3676	if ($Coro::current != $Coro::main) {
2471	warn "can only reload from main coroutine";	3677	warn "can only reload from main coroutine";
2472	return;	3678	return;
2473	}	3679	}
2474		3680
		3681	return if $RELOAD++;
		3682
		3683	my $t1 = EV::time;
		3684
		3685	while ($RELOAD) {
2475	warn "reloading...";	3686	warn "reloading...";
2476		3687
2477	warn "entering sync_job";	3688	warn "entering sync_job";
2478		3689
2479	cf::sync_job {	3690	cf::sync_job {
2480	cf::write_runtime; # external watchdog should not bark	3691	cf::write_runtime_sync; # external watchdog should not bark
2481	cf::emergency_save;	3692	cf::emergency_save;
2482	cf::write_runtime; # external watchdog should not bark	3693	cf::write_runtime_sync; # external watchdog should not bark
2483		3694
2484	warn "syncing database to disk";	3695	warn "syncing database to disk";
2485	BDB::db_env_txn_checkpoint $DB_ENV;	3696	BDB::db_env_txn_checkpoint $DB_ENV;
2486		3697
2487	# if anything goes wrong in here, we should simply crash as we already saved	3698	# if anything goes wrong in here, we should simply crash as we already saved
2488		3699
2489	warn "cancelling all WF_AUTOCANCEL watchers";
2490	for (Event::all_watchers) {
2491	$_->cancel if $_->data & WF_AUTOCANCEL;
2492	}
2493
2494	warn "flushing outstanding aio requests";	3700	warn "flushing outstanding aio requests";
2495	for (;;) {
2496	BDB::flush;
2497	IO::AIO::flush;
2498	Coro::cede;
2499	last unless IO::AIO::nreqs || BDB::nreqs;	3701	while (IO::AIO::nreqs || BDB::nreqs) {
2500	warn "iterate...";	3702	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2501	}
2502
2503	++$RELOAD;
2504
2505	warn "cancelling all extension coros";
2506	$_->cancel for values %EXT_CORO;
2507	%EXT_CORO = ();
2508
2509	warn "removing commands";
2510	%COMMAND = ();
2511
2512	warn "removing ext commands";
2513	%EXTCMD = ();
2514
2515	warn "unloading/nuking all extensions";
2516	for my $pkg (@EXTS) {
2517	warn "... unloading $pkg";
2518
2519	if (my $cb = $pkg->can ("unload")) {
2520	eval {
2521	$cb->($pkg);
2522	1
2523	} or warn "$pkg unloaded, but with errors: $@";
2524	}	3703	}
2525		3704
2526	warn "... nuking $pkg";	3705	warn "cancelling all extension coros";
2527	Symbol::delete_package $pkg;	3706	$_->cancel for values %EXT_CORO;
2528	}	3707	%EXT_CORO = ();
2529		3708
2530	warn "unloading all perl modules loaded from $LIBDIR";	3709	warn "removing commands";
2531	while (my ($k, $v) = each %INC) {	3710	%COMMAND = ();
2532	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2533		3711
		3712	warn "removing ext/exti commands";
		3713	%EXTCMD = ();
		3714	%EXTICMD = ();
		3715
		3716	warn "unloading/nuking all extensions";
		3717	for my $pkg (@EXTS) {
2534	warn "... unloading $k";	3718	warn "... unloading $pkg";
2535	delete $INC{$k};
2536		3719
2537	$k =~ s/\.pm$//;
2538	$k =~ s/\//::/g;
2539
2540	if (my $cb = $k->can ("unload_module")) {	3720	if (my $cb = $pkg->can ("unload")) {
		3721	eval {
2541	$cb->();	3722	$cb->($pkg);
		3723	1
		3724	} or warn "$pkg unloaded, but with errors: $@";
		3725	}
		3726
		3727	warn "... clearing $pkg";
		3728	clear_package $pkg;
2542	}	3729	}
2543		3730
2544	Symbol::delete_package $k;	3731	warn "unloading all perl modules loaded from $LIBDIR";
		3732	while (my ($k, $v) = each %INC) {
		3733	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3734
		3735	warn "... unloading $k";
		3736	delete $INC{$k};
		3737
		3738	$k =~ s/\.pm$//;
		3739	$k =~ s/\//::/g;
		3740
		3741	if (my $cb = $k->can ("unload_module")) {
		3742	$cb->();
		3743	}
		3744
		3745	clear_package $k;
2545	}	3746	}
2546		3747
2547	warn "getting rid of safe::, as good as possible";	3748	warn "getting rid of safe::, as good as possible";
2548	Symbol::delete_package "safe::$_"	3749	clear_package "safe::$_"
2549	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3750	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2550		3751
2551	warn "unloading cf.pm \"a bit\"";	3752	warn "unloading cf.pm \"a bit\"";
2552	delete $INC{"cf.pm"};	3753	delete $INC{"cf.pm"};
		3754	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2553		3755
2554	# don't, removes xs symbols, too,	3756	# don't, removes xs symbols, too,
2555	# and global variables created in xs	3757	# and global variables created in xs
2556	#Symbol::delete_package __PACKAGE__;	3758	#clear_package __PACKAGE__;
2557		3759
2558	warn "unload completed, starting to reload now";	3760	warn "unload completed, starting to reload now";
2559		3761
2560	warn "reloading cf.pm";	3762	warn "reloading cf.pm";
2561	require cf;	3763	require cf;
2562	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3764	cf::_connect_to_perl_1;
2563		3765
2564	warn "loading config and database again";	3766	warn "loading config and database again";
2565	cf::cfg_load;	3767	cf::reload_config;
2566		3768
2567	warn "loading extensions";	3769	warn "loading extensions";
2568	cf::load_extensions;	3770	cf::load_extensions;
2569		3771
		3772	if ($REATTACH_ON_RELOAD) {
2570	warn "reattaching attachments to objects/players";	3773	warn "reattaching attachments to objects/players";
2571	_global_reattach; # objects, sockets	3774	_global_reattach; # objects, sockets
2572	warn "reattaching attachments to maps";	3775	warn "reattaching attachments to maps";
2573	reattach $_ for values %MAP;	3776	reattach $_ for values %MAP;
2574	warn "reattaching attachments to players";	3777	warn "reattaching attachments to players";
2575	reattach $_ for values %PLAYER;	3778	reattach $_ for values %PLAYER;
		3779	}
2576		3780
2577	warn "loading reloadable resources";	3781	warn "running post_init jobs";
2578	reload_resources;	3782	(pop @POST_INIT)->(1) while @POST_INIT;
2579		3783
2580	warn "leaving sync_job";	3784	warn "leaving sync_job";
2581		3785
2582	1	3786	1
2583	} or do {	3787	} or do {
2584	warn $@;	3788	warn $@;
2585	warn "error while reloading, exiting.";	3789	cf::cleanup "error while reloading, exiting.";
2586	exit 1;	3790	};
		3791
		3792	warn "reloaded";
		3793	--$RELOAD;
		3794	}
		3795
		3796	$t1 = EV::time - $t1;
		3797	warn "reload completed in ${t1}s\n";
		3798	};
		3799
		3800	our $RELOAD_WATCHER; # used only during reload
		3801
		3802	sub reload_perl() {
		3803	# doing reload synchronously and two reloads happen back-to-back,
		3804	# coro crashes during coro_state_free->destroy here.
		3805
		3806	$RELOAD_WATCHER ||= cf::async {
		3807	Coro::AIO::aio_wait cache_extensions;
		3808
		3809	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3810	do_reload_perl;
		3811	undef $RELOAD_WATCHER;
		3812	};
2587	};	3813	};
2588		3814	}
2589	warn "reloaded";
2590	};
2591
2592	our $RELOAD_WATCHER; # used only during reload
2593		3815
2594	register_command "reload" => sub {	3816	register_command "reload" => sub {
2595	my ($who, $arg) = @_;	3817	my ($who, $arg) = @_;
2596		3818
2597	if ($who->flag (FLAG_WIZ)) {	3819	if ($who->flag (FLAG_WIZ)) {
2598	$who->message ("reloading server.");	3820	$who->message ("reloading server.");
2599		3821	async {
2600	# doing reload synchronously and two reloads happen back-to-back,	3822	$Coro::current->{desc} = "perl_reload";
2601	# coro crashes during coro_state_free->destroy here.
2602
2603	$RELOAD_WATCHER ||= Event->timer (
2604	reentrant => 0,
2605	after => 0,
2606	data => WF_AUTOCANCEL,
2607	cb => sub {
2608	reload;	3823	reload_perl;
2609	undef $RELOAD_WATCHER;
2610	},
2611	);	3824	};
2612	}	3825	}
2613	};	3826	};
2614		3827
2615	unshift @INC, $LIBDIR;	3828	unshift @INC, $LIBDIR;
2616		3829
2617	my $bug_warning = 0;	3830	my $bug_warning = 0;
2618		3831
2619	$TICK_WATCHER = Event->timer (	3832	our @WAIT_FOR_TICK;
2620	reentrant => 0,	3833	our @WAIT_FOR_TICK_BEGIN;
2621	parked => 1,	3834
2622	prio => 0,	3835	sub wait_for_tick {
2623	at => $NEXT_TICK || $TICK,	3836	return if tick_inhibit || $Coro::current == $Coro::main;
2624	data => WF_AUTOCANCEL,	3837
2625	cb => sub {	3838	my $signal = new Coro::Signal;
		3839	push @WAIT_FOR_TICK, $signal;
		3840	$signal->wait;
		3841	}
		3842
		3843	sub wait_for_tick_begin {
		3844	return if tick_inhibit || $Coro::current == $Coro::main;
		3845
		3846	my $signal = new Coro::Signal;
		3847	push @WAIT_FOR_TICK_BEGIN, $signal;
		3848	$signal->wait;
		3849	}
		3850
		3851	sub tick {
2626	if ($Coro::current != $Coro::main) {	3852	if ($Coro::current != $Coro::main) {
2627	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3853	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2628	unless ++$bug_warning > 10;	3854	unless ++$bug_warning > 10;
2629	return;	3855	return;
2630	}	3856	}
2631		3857
2632	$NOW = Event::time;
2633
2634	cf::server_tick; # one server iteration	3858	cf::server_tick; # one server iteration
2635	$RUNTIME += $TICK;
2636	$NEXT_TICK += $TICK;
2637		3859
2638	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3860	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2639	$NEXT_RUNTIME_WRITE = $NOW + 10;	3861	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2640	Coro::async_pool {	3862	Coro::async_pool {
		3863	$Coro::current->{desc} = "runtime saver";
2641	write_runtime	3864	write_runtime_sync
2642	or warn "ERROR: unable to write runtime file: $!";	3865	or warn "ERROR: unable to write runtime file: $!";
2643	};
2644	}	3866	};
2645
2646	$WAIT_FOR_TICK->broadcast;
2647	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2648
2649	# my $AFTER = Event::time;
2650	# warn $AFTER - $NOW;#d#
2651
2652	# if we are delayed by four ticks or more, skip them all
2653	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2654
2655	$TICK_WATCHER->at ($NEXT_TICK);
2656	$TICK_WATCHER->start;
2657	},	3867	}
2658	);	3868
		3869	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3870	$sig->send;
		3871	}
		3872	while (my $sig = shift @WAIT_FOR_TICK) {
		3873	$sig->send;
		3874	}
		3875
		3876	$LOAD = ($NOW - $TICK_START) / $TICK;
		3877	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3878
		3879	if (0) {
		3880	if ($NEXT_TICK) {
		3881	my $jitter = $TICK_START - $NEXT_TICK;
		3882	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3883	warn "jitter $JITTER\n";#d#
		3884	}
		3885	}
		3886	}
2659		3887
2660	{	3888	{
2661	BDB::max_poll_time $TICK * 0.1;	3889	# configure BDB
2662	$BDB_POLL_WATCHER = Event->io (	3890
2663	reentrant => 0,
2664	fd => BDB::poll_fileno,
2665	poll => 'r',
2666	prio => 0,
2667	data => WF_AUTOCANCEL,
2668	cb => \&BDB::poll_cb,
2669	);
2670	BDB::min_parallel 8;	3891	BDB::min_parallel 8;
2671		3892	BDB::max_poll_reqs $TICK * 0.1;
2672	BDB::set_sync_prepare {	3893	$AnyEvent::BDB::WATCHER->priority (1);
2673	my $status;
2674	my $current = $Coro::current;
2675	(
2676	sub {
2677	$status = $!;
2678	$current->ready; undef $current;
2679	},
2680	sub {
2681	Coro::schedule while defined $current;
2682	$! = $status;
2683	},
2684	)
2685	};
2686		3894
2687	unless ($DB_ENV) {	3895	unless ($DB_ENV) {
2688	$DB_ENV = BDB::db_env_create;	3896	$DB_ENV = BDB::db_env_create;
		3897	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3898	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3899	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3900	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3901	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2689		3902
2690	cf::sync_job {	3903	cf::sync_job {
2691	eval {	3904	eval {
2692	BDB::db_env_open	3905	BDB::db_env_open
2693	$DB_ENV,	3906	$DB_ENV,
2694	$BDB_ENV_DIR,	3907	$BDBDIR,
2695	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3908	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2696	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3909	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2697	0666;	3910	0666;
2698		3911
2699	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3912	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2700
2701	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2702	$DB_ENV->set_lk_detect;
2703	};	3913	};
2704		3914
2705	cf::cleanup "db_env_open(db): $@" if $@;	3915	cf::cleanup "db_env_open(db): $@" if $@;
2706	};	3916	};
2707	}	3917	}
		3918
		3919	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3920	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3921	};
		3922	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3923	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3924	};
		3925	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3926	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3927	};
2708	}	3928	}
2709		3929
2710	{	3930	{
		3931	# configure IO::AIO
		3932
2711	IO::AIO::min_parallel 8;	3933	IO::AIO::min_parallel 8;
2712
2713	undef $Coro::AIO::WATCHER;
2714	IO::AIO::max_poll_time $TICK * 0.1;	3934	IO::AIO::max_poll_time $TICK * 0.1;
2715	$AIO_POLL_WATCHER = Event->io (	3935	undef $AnyEvent::AIO::WATCHER;
2716	reentrant => 0,
2717	data => WF_AUTOCANCEL,
2718	fd => IO::AIO::poll_fileno,
2719	poll => 'r',
2720	prio => 6,
2721	cb => \&IO::AIO::poll_cb,
2722	);
2723	}	3936	}
		3937
		3938	my $_log_backtrace;
		3939
		3940	sub _log_backtrace {
		3941	my ($msg, @addr) = @_;
		3942
		3943	$msg =~ s/\n//;
		3944
		3945	# limit the # of concurrent backtraces
		3946	if ($_log_backtrace < 2) {
		3947	++$_log_backtrace;
		3948	my $perl_bt = Carp::longmess $msg;
		3949	async {
		3950	$Coro::current->{desc} = "abt $msg";
		3951
		3952	my @bt = fork_call {
		3953	@addr = map { sprintf "%x", $_ } @addr;
		3954	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3955	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3956	or die "addr2line: $!";
		3957
		3958	my @funcs;
		3959	my @res = <$fh>;
		3960	chomp for @res;
		3961	while (@res) {
		3962	my ($func, $line) = splice @res, 0, 2, ();
		3963	push @funcs, "[$func] $line";
		3964	}
		3965
		3966	@funcs
		3967	};
		3968
		3969	LOG llevInfo, "[ABT] $perl_bt\n";
		3970	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3971	LOG llevInfo, "[ABT] $_\n" for @bt;
		3972	--$_log_backtrace;
		3973	};
		3974	} else {
		3975	LOG llevInfo, "[ABT] $msg\n";
		3976	LOG llevInfo, "[ABT] [suppressed]\n";
		3977	}
		3978	}
		3979
		3980	# load additional modules
		3981	require "cf/$_.pm" for @EXTRA_MODULES;
		3982	cf::_connect_to_perl_2;
2724		3983
2725	END { cf::emergency_save }	3984	END { cf::emergency_save }
2726		3985
2727	1	3986	1
2728		3987

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