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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.199 by root, Mon Jan 29 14:46:01 2007 UTC vs.
Revision 1.453 by root, Tue Sep 23 04:29:11 2008 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 "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
		31	use EV;
9	use Opcode;	32	use Opcode;
10	use Safe;	33	use Safe;
11	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
12		36
13	use Coro 3.5 ();	37	use Coro ();
		38	use Coro::State;
		39	use Coro::Handle;
		40	use Coro::EV;
14	use Coro::Event;	41	use Coro::AnyEvent;
15	use Coro::Timer;	42	use Coro::Timer;
16	use Coro::Signal;	43	use Coro::Signal;
17	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
18	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
		48	use Coro::Storable;
		49	use Coro::Util ();
19		50
		51	use JSON::XS 2.01 ();
		52	use BDB ();
20	use Data::Dumper;	53	use Data::Dumper;
21	use Digest::MD5;	54	use Digest::MD5;
22	use Fcntl;	55	use Fcntl;
		56	use YAML ();
23	use IO::AIO 2.32 ();	57	use IO::AIO ();
24	use YAML::Syck ();
25	use Time::HiRes;	58	use Time::HiRes;
		59	use Compress::LZF;
		60	use Digest::MD5 ();
26		61
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	62	AnyEvent::detect;
		63
		64	# configure various modules to our taste
		65	#
		66	$Storable::canonical = 1; # reduce rsync transfers
		67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		68
		69	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		70
		71	# make sure c-lzf reinitialises itself
		72	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		73	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
28		74
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		76
36	our %COMMAND = ();	77	our %COMMAND = ();
37	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
38		79
39	our @EXTS = (); # list of extension package names	80	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	81	our %EXTCMD = ();
		82	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	83	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	84	our %EXT_MAP = (); # pluggable maps
43		85
		86	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	87	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		88
47	our $TICK = MAX_TIME * 1e-6;	89	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	90	our $DATADIR = datadir;
49	our $AIO_POLL_WATCHER;	91	our $LIBDIR = "$DATADIR/ext";
50	our $WRITE_RUNTIME_WATCHER;	92	our $PODDIR = "$DATADIR/pod";
		93	our $MAPDIR = "$DATADIR/" . mapdir;
		94	our $LOCALDIR = localdir;
		95	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		96	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		97	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		98	our $RANDOMDIR = "$LOCALDIR/random";
		99	our $BDBDIR = "$LOCALDIR/db";
		100	our $PIDFILE = "$LOCALDIR/pid";
		101	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		102
		103	our %RESOURCE;
		104
		105	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	107	our $NEXT_TICK;
52	our $NOW;	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
		109
		110	our $BDB_DEADLOCK_WATCHER;
		111	our $BDB_CHECKPOINT_WATCHER;
		112	our $BDB_TRICKLE_WATCHER;
		113	our $DB_ENV;
53		114
54	our %CFG;	115	our %CFG;
55		116
56	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
58		120
59	our %PLAYER; # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	123	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		124
67	# used to convert map paths into valid unix filenames by replacing / by ∕	125	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		127
		128	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		129	our $LOADAVG; # same thing, but with alpha-smoothing
		130	our $JITTER; # average jitter
		131	our $TICK_START; # for load detecting purposes
		132
		133	our @POST_INIT;
		134
70	binmode STDOUT;	135	binmode STDOUT;
71	binmode STDERR;	136	binmode STDERR;
72		137
73	# read virtual server time, if available	138	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	139	unless ($RUNTIME || !-e $RUNTIMEFILE) {
75	open my $fh, "<", cf::localdir . "/runtime"	140	open my $fh, "<", $RUNTIMEFILE
76	or die "unable to read runtime file: $!";	141	or die "unable to read $RUNTIMEFILE file: $!";
77	$RUNTIME = <$fh> + 0.;	142	$RUNTIME = <$fh> + 0.;
78	}	143	}
79		144
80	mkdir cf::localdir;	145	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	146	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		147
86	our $EMERGENCY_POSITION;	148	our $EMERGENCY_POSITION;
87		149
88	sub cf::map::normalise;	150	sub cf::map::normalise;
89		151
…		…
100	=item $cf::RUNTIME	162	=item $cf::RUNTIME
101		163
102	The time this server has run, starts at 0 and is increased by $cf::TICK on	164	The time this server has run, starts at 0 and is increased by $cf::TICK on
103	every server tick.	165	every server tick.
104		166
105	=item $cf::LIBDIR	167	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		168	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		169	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
106		170
107	The perl library directory, where extensions and cf-specific modules can	171	Various directories - "/etc", read-only install directory, perl-library
108	be found. It will be added to C<@INC> automatically.	172	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		173	unique-items directory, player file directory, random maps directory and
		174	database environment.
109		175
110	=item $cf::NOW	176	=item $cf::NOW
111		177
112	The time of the last (current) server tick.	178	The time of the last (current) server tick.
113		179
114	=item $cf::TICK	180	=item $cf::TICK
115		181
116	The interval between server ticks, in seconds.	182	The interval between server ticks, in seconds.
117		183
		184	=item $cf::LOADAVG
		185
		186	The current CPU load on the server (alpha-smoothed), as a value between 0
		187	(none) and 1 (overloaded), indicating how much time is spent on processing
		188	objects per tick. Healthy values are < 0.5.
		189
		190	=item $cf::LOAD
		191
		192	The raw value load value from the last tick.
		193
118	=item %cf::CFG	194	=item %cf::CFG
119		195
120	Configuration for the server, loaded from C</etc/crossfire/config>, or	196	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
121	from wherever your confdir points to.	197	from wherever your confdir points to.
122		198
123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	199	=item cf::wait_for_tick, cf::wait_for_tick_begin
124		200
125	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	201	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
126	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	202	returns directly I<after> the tick processing (and consequently, can only wake one process
127	processing has been done. Call C<< ->wait >> on them to maximise the	203	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
128	window of cpu time available, or simply to synchronise to the server tick.	204
		205	=item @cf::INVOKE_RESULTS
		206
		207	This array contains the results of the last C<invoke ()> call. When
		208	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		209	that call.
129		210
130	=back	211	=back
131		212
132	=cut	213	=cut
133		214
134	BEGIN {	215	BEGIN {
135	*CORE::GLOBAL::warn = sub {	216	*CORE::GLOBAL::warn = sub {
136	my $msg = join "", @_;	217	my $msg = join "", @_;
137	utf8::encode $msg;
138		218
139	$msg .= "\n"	219	$msg .= "\n"
140	unless $msg =~ /\n$/;	220	unless $msg =~ /\n$/;
141		221
		222	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		223
142	LOG llevError, $msg;	224	LOG llevError, $msg;
143	};	225	};
144	}	226	}
		227
		228	$Coro::State::DIEHOOK = sub {
		229	return unless $^S eq 0; # "eq", not "=="
		230
		231	if ($Coro::current == $Coro::main) {#d#
		232	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		233	return;#d#
		234	}#d#
		235
		236	# kill coroutine otherwise
		237	warn Carp::longmess $_[0];
		238	Coro::terminate
		239	};
		240
		241	$SIG{__DIE__} = sub { }; #d#?
145		242
146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	243	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	244	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	245	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	246	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	247	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		248	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
151	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	249	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
152		250
153	# we bless all objects into (empty) derived classes to force a method lookup	251	# we bless all objects into (empty) derived classes to force a method lookup
154	# within the Safe compartment.	252	# within the Safe compartment.
155	for my $pkg (qw(	253	for my $pkg (qw(
156	cf::global cf::attachable	254	cf::global cf::attachable
157	cf::object cf::object::player	255	cf::object cf::object::player
158	cf::client cf::player	256	cf::client cf::player
159	cf::arch cf::living	257	cf::arch cf::living
		258	cf::map cf::mapspace
160	cf::map cf::party cf::region	259	cf::party cf::region
161	)) {	260	)) {
162	no strict 'refs';
163	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	261	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
164	}	262	}
165		263
166	$Event::DIED = sub {	264	$EV::DIED = sub {
167	warn "error in event callback: @_";	265	warn "error in event callback: @_";
168	};	266	};
		267
		268	#############################################################################
169		269
170	=head2 UTILITY FUNCTIONS	270	=head2 UTILITY FUNCTIONS
171		271
172	=over 4	272	=over 4
173		273
…		…
192	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	292	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
193	$d	293	$d
194	} || "[unable to dump $_[0]: '$@']";	294	} || "[unable to dump $_[0]: '$@']";
195	}	295	}
196		296
197	use JSON::Syck (); # TODO# replace by JSON::PC once working
198
199	=item $ref = cf::from_json $json	297	=item $ref = cf::decode_json $json
200		298
201	Converts a JSON string into the corresponding perl data structure.	299	Converts a JSON string into the corresponding perl data structure.
202		300
203	=cut
204
205	sub from_json($) {
206	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207	JSON::Syck::Load $_[0]
208	}
209
210	=item $json = cf::to_json $ref	301	=item $json = cf::encode_json $ref
211		302
212	Converts a perl data structure into its JSON representation.	303	Converts a perl data structure into its JSON representation.
213		304
214	=cut	305	=cut
215		306
216	sub to_json($) {	307	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	308
218	JSON::Syck::Dump $_[0]	309	sub encode_json($) { $json_coder->encode ($_[0]) }
		310	sub decode_json($) { $json_coder->decode ($_[0]) }
		311
		312	=item cf::post_init { BLOCK }
		313
		314	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		315	but I<before> the server starts ticking again.
		316
		317	The cdoeblock will have a single boolean argument to indicate whether this
		318	is a reload or not.
		319
		320	=cut
		321
		322	sub post_init(&) {
		323	push @POST_INIT, shift;
219	}	324	}
220		325
221	=item cf::lock_wait $string	326	=item cf::lock_wait $string
222		327
223	Wait until the given lock is available. See cf::lock_acquire.	328	Wait until the given lock is available. See cf::lock_acquire.
…		…
227	Wait until the given lock is available and then acquires it and returns	332	Wait until the given lock is available and then acquires it and returns
228	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	333	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
229	for example when the coroutine gets canceled), the lock is automatically	334	for example when the coroutine gets canceled), the lock is automatically
230	returned.	335	returned.
231		336
		337	Locks are *not* recursive, locking from the same coro twice results in a
		338	deadlocked coro.
		339
232	Lock names should begin with a unique identifier (for example, cf::map::find	340	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	341	uses map_find and cf::map::load uses map_load).
234		342
		343	=item $locked = cf::lock_active $string
		344
		345	Return true if the lock is currently active, i.e. somebody has locked it.
		346
235	=cut	347	=cut
236		348
237	our %LOCK;	349	our %LOCK;
		350	our %LOCKER;#d#
238		351
239	sub lock_wait($) {	352	sub lock_wait($) {
240	my ($key) = @_;	353	my ($key) = @_;
241		354
		355	if ($LOCKER{$key} == $Coro::current) {#d#
		356	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		357	return;#d#
		358	}#d#
		359
242	# wait for lock, if any	360	# wait for lock, if any
243	while ($LOCK{$key}) {	361	while ($LOCK{$key}) {
		362	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
244	push @{ $LOCK{$key} }, $Coro::current;	363	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;	364	Coro::schedule;
246	}	365	}
247	}	366	}
248		367
…		…
251		370
252	# wait, to be sure we are not locked	371	# wait, to be sure we are not locked
253	lock_wait $key;	372	lock_wait $key;
254		373
255	$LOCK{$key} = [];	374	$LOCK{$key} = [];
		375	$LOCKER{$key} = $Coro::current;#d#
256		376
257	Coro::guard {	377	Coro::guard {
		378	delete $LOCKER{$key};#d#
258	# wake up all waiters, to be on the safe side	379	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	380	$_->ready for @{ delete $LOCK{$key} };
260	}	381	}
261	}	382	}
262		383
		384	sub lock_active($) {
		385	my ($key) = @_;
		386
		387	! ! $LOCK{$key}
		388	}
		389
263	sub freeze_mainloop {	390	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	391	tick_inhibit_inc;
265		392
266	my $guard = Coro::guard {	393	Coro::guard \&tick_inhibit_dec;
267	$TICK_WATCHER->start;	394	}
268	$WRITE_RUNTIME_WATCHER->start;	395
		396	=item cf::periodic $interval, $cb
		397
		398	Like EV::periodic, but randomly selects a starting point so that the actions
		399	get spread over timer.
		400
		401	=cut
		402
		403	sub periodic($$) {
		404	my ($interval, $cb) = @_;
		405
		406	my $start = rand List::Util::min 180, $interval;
		407
		408	EV::periodic $start, $interval, 0, $cb
		409	}
		410
		411	=item cf::get_slot $time[, $priority[, $name]]
		412
		413	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		414	This call blocks and returns only when you have at least C<$time> seconds
		415	of cpu time till the next tick. The slot is only valid till the next cede.
		416
		417	The optional C<$name> can be used to identify the job to run. It might be
		418	used for statistical purposes and should identify the same time-class.
		419
		420	Useful for short background jobs.
		421
		422	=cut
		423
		424	our @SLOT_QUEUE;
		425	our $SLOT_QUEUE;
		426
		427	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		428	$SLOT_QUEUE = Coro::async {
		429	$Coro::current->desc ("timeslot manager");
		430
		431	my $signal = new Coro::Signal;
		432
		433	while () {
		434	next_job:
		435	my $avail = cf::till_tick;
		436	if ($avail > 0.01) {
		437	for (0 .. $#SLOT_QUEUE) {
		438	if ($SLOT_QUEUE[$_][0] < $avail) {
		439	my $job = splice @SLOT_QUEUE, $_, 1, ();
		440	$job->[2]->send;
		441	Coro::cede;
		442	goto next_job;
		443	}
		444	}
		445	}
		446
		447	if (@SLOT_QUEUE) {
		448	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		449	push @cf::WAIT_FOR_TICK, $signal;
		450	$signal->wait;
		451	} else {
		452	Coro::schedule;
		453	}
269	};	454	}
270	$WRITE_RUNTIME_WATCHER->stop;	455	};
271	$TICK_WATCHER->stop;	456
272	$guard	457	sub get_slot($;$$) {
		458	return if tick_inhibit || $Coro::current == $Coro::main;
		459
		460	my ($time, $pri, $name) = @_;
		461
		462	$time = $TICK * .6 if $time > $TICK * .6;
		463	my $sig = new Coro::Signal;
		464
		465	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		466	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		467	$SLOT_QUEUE->ready;
		468	$sig->wait;
273	}	469	}
274		470
275	=item cf::async { BLOCK }	471	=item cf::async { BLOCK }
276		472
277	Currently the same as Coro::async_pool, meaning you cannot use	473	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		478
283	BEGIN { *async = \&Coro::async_pool }	479	BEGIN { *async = \&Coro::async_pool }
284		480
285	=item cf::sync_job { BLOCK }	481	=item cf::sync_job { BLOCK }
286		482
287	The design of crossfire+ requires that the main coro ($Coro::main) is	483	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	484	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	485	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		486	acceptable.
290		487
291	If it must be done, put the blocking parts into C<sync_job>. This will run	488	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	489	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	490	server will be frozen during this time, so the block should either finish
294	fast or be very important.	491	fast or be very important.
…		…
297		494
298	sub sync_job(&) {	495	sub sync_job(&) {
299	my ($job) = @_;	496	my ($job) = @_;
300		497
301	if ($Coro::current == $Coro::main) {	498	if ($Coro::current == $Coro::main) {
		499	my $time = EV::time;
		500
302	# this is the main coro, too bad, we have to block	501	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	502	# till the operation succeeds, freezing the server :/
304		503
305	# TODO: use suspend/resume instead	504	LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	505
307	my $freeze_guard = freeze_mainloop;	506	my $freeze_guard = freeze_mainloop;
308		507
309	my $busy = 1;	508	my $busy = 1;
310	my @res;	509	my @res;
311		510
312	(async {	511	(async {
		512	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	513	@res = eval { $job->() };
314	warn $@ if $@;	514	warn $@ if $@;
315	undef $busy;	515	undef $busy;
316	})->prio (Coro::PRIO_MAX);	516	})->prio (Coro::PRIO_MAX);
317		517
318	while ($busy) {	518	while ($busy) {
319	Coro::cede or Event::one_event;	519	if (Coro::nready) {
		520	Coro::cede_notself;
		521	} else {
		522	EV::loop EV::LOOP_ONESHOT;
320	}	523	}
		524	}
		525
		526	my $time = EV::time - $time;
		527
		528	$TICK_START += $time; # do not account sync jobs to server load
321		529
322	wantarray ? @res : $res[0]	530	wantarray ? @res : $res[0]
323	} else {	531	} else {
324	# we are in another coroutine, how wonderful, everything just works	532	# we are in another coroutine, how wonderful, everything just works
325		533
…		…
345	$EXT_CORO{$coro+0} = $coro;	553	$EXT_CORO{$coro+0} = $coro;
346		554
347	$coro	555	$coro
348	}	556	}
349		557
350	sub write_runtime {	558	=item fork_call { }, $args
351	my $runtime = cf::localdir . "/runtime";
352		559
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	560	Executes the given code block with the given arguments in a seperate
354	or return;	561	process, returning the results. Everything must be serialisable with
		562	Coro::Storable. May, of course, block. Note that the executed sub may
		563	never block itself or use any form of event handling.
355		564
356	my $value = $cf::RUNTIME + 90 + 10;	565	=cut
357	# 10 is the runtime save interval, for a monotonic clock
358	# 60 allows for the watchdog to kill the server.
359		566
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	567	sub fork_call(&@) {
361	and return;	568	my ($cb, @args) = @_;
362		569
363	aio_fsync $fh	570	# we seemingly have to make a local copy of the whole thing,
364	and return;	571	# otherwise perl prematurely frees the stuff :/
		572	# TODO: investigate and fix (likely this will be rather laborious)
365		573
366	close $fh	574	my @res = Coro::Util::fork_eval {
367	or return;	575	reset_signals;
		576	&$cb
		577	}, @args;
368		578
369	aio_rename "$runtime~", $runtime	579	wantarray ? @res : $res[-1]
370	and return;	580	}
371		581
		582	=item $coin = coin_from_name $name
		583
		584	=cut
		585
		586	our %coin_alias = (
		587	"silver" => "silvercoin",
		588	"silvercoin" => "silvercoin",
		589	"silvercoins" => "silvercoin",
		590	"gold" => "goldcoin",
		591	"goldcoin" => "goldcoin",
		592	"goldcoins" => "goldcoin",
		593	"platinum" => "platinacoin",
		594	"platinumcoin" => "platinacoin",
		595	"platinumcoins" => "platinacoin",
		596	"platina" => "platinacoin",
		597	"platinacoin" => "platinacoin",
		598	"platinacoins" => "platinacoin",
		599	"royalty" => "royalty",
		600	"royalties" => "royalty",
		601	);
		602
		603	sub coin_from_name($) {
		604	$coin_alias{$_[0]}
		605	? cf::arch::find $coin_alias{$_[0]}
		606	: undef
		607	}
		608
		609	=item $value = cf::db_get $family => $key
		610
		611	Returns a single value from the environment database.
		612
		613	=item cf::db_put $family => $key => $value
		614
		615	Stores the given C<$value> in the family. It can currently store binary
		616	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		617
		618	=item $db = cf::db_table "name"
		619
		620	Create and/or open a new database table. The string must not be "db" and must be unique
		621	within each server.
		622
		623	=cut
		624
		625	sub db_table($) {
		626	my ($name) = @_;
		627	my $db = BDB::db_create $DB_ENV;
		628
		629	eval {
		630	$db->set_flags (BDB::CHKSUM);
		631
		632	utf8::encode $name;
		633	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		634	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		635	cf::cleanup "db_open(db): $!" if $!;
		636	};
		637	cf::cleanup "db_open(db): $@" if $@;
		638
		639	$db
		640	}
		641
		642	our $DB;
		643
		644	sub db_init {
		645	cf::sync_job {
		646	$DB ||= db_table "db";
		647	};
		648	}
		649
		650	sub db_get($$) {
		651	my $key = "$_[0]/$_[1]";
		652
		653	cf::sync_job {
		654	BDB::db_get $DB, undef, $key, my $data;
		655
		656	$! ? ()
		657	: $data
372	1	658	}
		659	}
		660
		661	sub db_put($$$) {
		662	BDB::dbreq_pri 4;
		663	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		664	}
		665
		666	=item cf::cache $id => [$paths...], $processversion => $process
		667
		668	Generic caching function that returns the value of the resource $id,
		669	caching and regenerating as required.
		670
		671	This function can block.
		672
		673	=cut
		674
		675	sub cache {
		676	my ($id, $src, $processversion, $process) = @_;
		677
		678	my $meta =
		679	join "\x00",
		680	$processversion,
		681	map {
		682	aio_stat $_
		683	and Carp::croak "$_: $!";
		684
		685	($_, (stat _)[7,9])
		686	} @$src;
		687
		688	my $dbmeta = db_get cache => "$id/meta";
		689	if ($dbmeta ne $meta) {
		690	# changed, we may need to process
		691
		692	my @data;
		693	my $md5;
		694
		695	for (0 .. $#$src) {
		696	0 <= aio_load $src->[$_], $data[$_]
		697	or Carp::croak "$src->[$_]: $!";
		698	}
		699
		700	# if processing is expensive, check
		701	# checksum first
		702	if (1) {
		703	$md5 =
		704	join "\x00",
		705	$processversion,
		706	map {
		707	cf::cede_to_tick;
		708	($src->[$_], Digest::MD5::md5_hex $data[$_])
		709	} 0.. $#$src;
		710
		711
		712	my $dbmd5 = db_get cache => "$id/md5";
		713	if ($dbmd5 eq $md5) {
		714	db_put cache => "$id/meta", $meta;
		715
		716	return db_get cache => "$id/data";
		717	}
		718	}
		719
		720	my $t1 = Time::HiRes::time;
		721	my $data = $process->(\@data);
		722	my $t2 = Time::HiRes::time;
		723
		724	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		725
		726	db_put cache => "$id/data", $data;
		727	db_put cache => "$id/md5" , $md5;
		728	db_put cache => "$id/meta", $meta;
		729
		730	return $data;
		731	}
		732
		733	db_get cache => "$id/data"
		734	}
		735
		736	=item cf::datalog type => key => value, ...
		737
		738	Log a datalog packet of the given type with the given key-value pairs.
		739
		740	=cut
		741
		742	sub datalog($@) {
		743	my ($type, %kv) = @_;
		744	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
373	}	745	}
374		746
375	=back	747	=back
376		748
377	=cut	749	=cut
378		750
379	#############################################################################	751	#############################################################################
380		752
381	=head2 ATTACHABLE OBJECTS	753	=head2 ATTACHABLE OBJECTS
382		754
383	Many objects in crossfire are so-called attachable objects. That means you can	755	Many objects in deliantra are so-called attachable objects. That means you can
384	attach callbacks/event handlers (a collection of which is called an "attachment")	756	attach callbacks/event handlers (a collection of which is called an "attachment")
385	to it. All such attachable objects support the following methods.	757	to it. All such attachable objects support the following methods.
386		758
387	In the following description, CLASS can be any of C<global>, C<object>	759	In the following description, CLASS can be any of C<global>, C<object>
388	C<player>, C<client> or C<map> (i.e. the attachable objects in	760	C<player>, C<client> or C<map> (i.e. the attachable objects in
389	crossfire+).	761	Deliantra).
390		762
391	=over 4	763	=over 4
392		764
393	=item $attachable->attach ($attachment, key => $value...)	765	=item $attachable->attach ($attachment, key => $value...)
394		766
…		…
438	=item cf::CLASS::attachment $name, ...	810	=item cf::CLASS::attachment $name, ...
439		811
440	Register an attachment by C<$name> through which attachable objects of the	812	Register an attachment by C<$name> through which attachable objects of the
441	given CLASS can refer to this attachment.	813	given CLASS can refer to this attachment.
442		814
443	Some classes such as crossfire maps and objects can specify attachments	815	Some classes such as deliantra maps and objects can specify attachments
444	that are attached at load/instantiate time, thus the need for a name.	816	that are attached at load/instantiate time, thus the need for a name.
445		817
446	These calls expect any number of the following handler/hook descriptions:	818	These calls expect any number of the following handler/hook descriptions:
447		819
448	=over 4	820	=over 4
…		…
557	$registry = $CB_TYPE[$object_type] ||= [];	929	$registry = $CB_TYPE[$object_type] ||= [];
558		930
559	} elsif ($type eq "subtype") {	931	} elsif ($type eq "subtype") {
560	defined $object_type or Carp::croak "subtype specified without type";	932	defined $object_type or Carp::croak "subtype specified without type";
561	my $object_subtype = shift @arg;	933	my $object_subtype = shift @arg;
562	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	934	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563		935
564	} elsif ($type eq "package") {	936	} elsif ($type eq "package") {
565	my $pkg = shift @arg;	937	my $pkg = shift @arg;
566		938
567	while (my ($name, $id) = each %cb_id) {	939	while (my ($name, $id) = each %cb_id) {
…		…
596	_attach $registry, $klass, @attach;	968	_attach $registry, $klass, @attach;
597	}	969	}
598		970
599	$obj->{$name} = \%arg;	971	$obj->{$name} = \%arg;
600	} else {	972	} else {
601	warn "object uses attachment '$name' that is not available, postponing.\n";	973	warn "object uses attachment '$name' which is not available, postponing.\n";
602	}	974	}
603		975
604	$obj->{_attachment}{$name} = undef;	976	$obj->{_attachment}{$name} = undef;
605	}	977	}
606		978
…		…
608	if (ref $_[0]) {	980	if (ref $_[0]) {
609	_object_attach @_;	981	_object_attach @_;
610	} else {	982	} else {
611	_attach shift->_attach_registry, @_;	983	_attach shift->_attach_registry, @_;
612	}	984	}
		985	_recalc_want;
613	};	986	};
614		987
615	# all those should be optimised	988	# all those should be optimised
616	sub cf::attachable::detach {	989	sub cf::attachable::detach {
617	my ($obj, $name) = @_;	990	my ($obj, $name) = @_;
…		…
620	delete $obj->{_attachment}{$name};	993	delete $obj->{_attachment}{$name};
621	reattach ($obj);	994	reattach ($obj);
622	} else {	995	} else {
623	Carp::croak "cannot, currently, detach class attachments";	996	Carp::croak "cannot, currently, detach class attachments";
624	}	997	}
		998	_recalc_want;
625	};	999	};
626		1000
627	sub cf::attachable::attached {	1001	sub cf::attachable::attached {
628	my ($obj, $name) = @_;	1002	my ($obj, $name) = @_;
629		1003
…		…
644	";	1018	";
645	die if $@;	1019	die if $@;
646	}	1020	}
647		1021
648	our $override;	1022	our $override;
649	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1023	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
650		1024
651	sub override {	1025	sub override {
652	$override = 1;	1026	$override = 1;
653	@invoke_results = ();	1027	@INVOKE_RESULTS = (@_);
654	}	1028	}
655		1029
656	sub do_invoke {	1030	sub do_invoke {
657	my $event = shift;	1031	my $event = shift;
658	my $callbacks = shift;	1032	my $callbacks = shift;
659		1033
660	@invoke_results = ();	1034	@INVOKE_RESULTS = ();
661		1035
662	local $override;	1036	local $override;
663		1037
664	for (@$callbacks) {	1038	for (@$callbacks) {
665	eval { &{$_->[1]} };	1039	eval { &{$_->[1]} };
…		…
674	}	1048	}
675		1049
676	0	1050	0
677	}	1051	}
678		1052
679	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1053	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
680		1054
681	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
682		1056
683	Generate an object-specific event with the given arguments.	1057	Generate an object-specific event with the given arguments.
684		1058
685	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1059	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
686	removed in future versions), and there is no public API to access override	1060	removed in future versions), and there is no public API to access override
687	results (if you must, access C<@cf::invoke_results> directly).	1061	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
688		1062
689	=back	1063	=back
690		1064
691	=cut	1065	=cut
692		1066
693	#############################################################################	1067	#############################################################################
694	# object support	1068	# object support
		1069
		1070	sub _object_equal($$);
		1071	sub _object_equal($$) {
		1072	my ($a, $b) = @_;
		1073
		1074	return 0 unless (ref $a) eq (ref $b);
		1075
		1076	if ("HASH" eq ref $a) {
		1077	my @ka = keys %$a;
		1078	my @kb = keys %$b;
		1079
		1080	return 0 if @ka != @kb;
		1081
		1082	for (0 .. $#ka) {
		1083	return 0 unless $ka[$_] eq $kb[$_];
		1084	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1085	}
		1086
		1087	} elsif ("ARRAY" eq ref $a) {
		1088
		1089	return 0 if @$a != @$b;
		1090
		1091	for (0 .. $#$a) {
		1092	return 0 unless _object_equal $a->[$_], $b->[$_];
		1093	}
		1094
		1095	} elsif ($a ne $b) {
		1096	return 0;
		1097	}
		1098
		1099	1
		1100	}
		1101
		1102	our $SLOW_MERGES;#d#
		1103	sub _can_merge {
		1104	my ($ob1, $ob2) = @_;
		1105
		1106	++$SLOW_MERGES;#d#
		1107
		1108	# we do the slow way here
		1109	return _object_equal $ob1, $ob2
		1110	}
695		1111
696	sub reattach {	1112	sub reattach {
697	# basically do the same as instantiate, without calling instantiate	1113	# basically do the same as instantiate, without calling instantiate
698	my ($obj) = @_;	1114	my ($obj) = @_;
699		1115
		1116	# no longer needed after getting rid of delete_package?
700	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1117	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
701		1118
702	my $registry = $obj->registry;	1119	my $registry = $obj->registry;
703		1120
704	@$registry = ();	1121	@$registry = ();
705		1122
…		…
720	cf::attachable->attach (	1137	cf::attachable->attach (
721	prio => -1000000,	1138	prio => -1000000,
722	on_instantiate => sub {	1139	on_instantiate => sub {
723	my ($obj, $data) = @_;	1140	my ($obj, $data) = @_;
724		1141
725	$data = from_json $data;	1142	$data = decode_json $data;
726		1143
727	for (@$data) {	1144	for (@$data) {
728	my ($name, $args) = @$_;	1145	my ($name, $args) = @$_;
729		1146
730	$obj->attach ($name, %{$args || {} });	1147	$obj->attach ($name, %{$args || {} });
…		…
746	sub object_freezer_save {	1163	sub object_freezer_save {
747	my ($filename, $rdata, $objs) = @_;	1164	my ($filename, $rdata, $objs) = @_;
748		1165
749	sync_job {	1166	sync_job {
750	if (length $$rdata) {	1167	if (length $$rdata) {
		1168	utf8::decode (my $decname = $filename);
751	warn sprintf "saving %s (%d,%d)\n",	1169	warn sprintf "saving %s (%d,%d)\n",
752	$filename, length $$rdata, scalar @$objs;	1170	$decname, length $$rdata, scalar @$objs;
753		1171
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1172	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	1173	aio_chmod $fh, SAVE_MODE;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1174	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
757	aio_fsync $fh;	1175	aio_fsync $fh if $cf::USE_FSYNC;
758	close $fh;	1176	aio_close $fh;
759		1177
760	if (@$objs) {	1178	if (@$objs) {
761	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1179	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
762	chmod SAVE_MODE, $fh;	1180	aio_chmod $fh, SAVE_MODE;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	1181	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	1182	aio_write $fh, 0, (length $data), $data, 0;
765	aio_fsync $fh;	1183	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	1184	aio_close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	1185	aio_rename "$filename.pst~", "$filename.pst";
768	}	1186	}
769	} else {	1187	} else {
770	aio_unlink "$filename.pst";	1188	aio_unlink "$filename.pst";
771	}	1189	}
…		…
776	}	1194	}
777	} else {	1195	} else {
778	aio_unlink $filename;	1196	aio_unlink $filename;
779	aio_unlink "$filename.pst";	1197	aio_unlink "$filename.pst";
780	}	1198	}
781	}	1199	};
782	}	1200	}
783		1201
784	sub object_freezer_as_string {	1202	sub object_freezer_as_string {
785	my ($rdata, $objs) = @_;	1203	my ($rdata, $objs) = @_;
786		1204
…		…
798	or return;	1216	or return;
799		1217
800	unless (aio_stat "$filename.pst") {	1218	unless (aio_stat "$filename.pst") {
801	(aio_load "$filename.pst", $av) >= 0	1219	(aio_load "$filename.pst", $av) >= 0
802	or return;	1220	or return;
		1221
803	$av = eval { (Storable::thaw $av)->{objs} };	1222	my $st = eval { Coro::Storable::thaw $av };
		1223	$av = $st->{objs};
804	}	1224	}
805		1225
		1226	utf8::decode (my $decname = $filename);
806	warn sprintf "loading %s (%d)\n",	1227	warn sprintf "loading %s (%d,%d)\n",
807	$filename, length $data, scalar @{$av || []};#d#	1228	$decname, length $data, scalar @{$av || []};
		1229
808	return ($data, $av);	1230	($data, $av)
809	}	1231	}
		1232
		1233	=head2 COMMAND CALLBACKS
		1234
		1235	=over 4
		1236
		1237	=cut
810		1238
811	#############################################################################	1239	#############################################################################
812	# command handling &c	1240	# command handling &c
813		1241
814	=item cf::register_command $name => \&callback($ob,$args);	1242	=item cf::register_command $name => \&callback($ob,$args);
…		…
827	push @{ $COMMAND{$name} }, [$caller, $cb];	1255	push @{ $COMMAND{$name} }, [$caller, $cb];
828	}	1256	}
829		1257
830	=item cf::register_extcmd $name => \&callback($pl,$packet);	1258	=item cf::register_extcmd $name => \&callback($pl,$packet);
831		1259
832	Register a callbackf ro execution when the client sends an extcmd packet.	1260	Register a callback for execution when the client sends an (synchronous)
		1261	extcmd packet. Ext commands will be processed in the order they are
		1262	received by the server, like other user commands. The first argument is
		1263	the logged-in player. Ext commands can only be processed after a player
		1264	has logged in successfully.
833		1265
834	If the callback returns something, it is sent back as if reply was being	1266	If the callback returns something, it is sent back as if reply was being
835	called.	1267	called.
836		1268
		1269	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1270
		1271	Register a callback for execution when the client sends an (asynchronous)
		1272	exticmd packet. Exti commands are processed by the server as soon as they
		1273	are received, i.e. out of order w.r.t. other commands. The first argument
		1274	is a client socket. Exti commands can be received anytime, even before
		1275	log-in.
		1276
		1277	If the callback returns something, it is sent back as if reply was being
		1278	called.
		1279
837	=cut	1280	=cut
838		1281
839	sub register_extcmd {	1282	sub register_extcmd {
840	my ($name, $cb) = @_;	1283	my ($name, $cb) = @_;
841		1284
842	$EXTCMD{$name} = $cb;	1285	$EXTCMD{$name} = $cb;
		1286	}
		1287
		1288	sub register_exticmd {
		1289	my ($name, $cb) = @_;
		1290
		1291	$EXTICMD{$name} = $cb;
843	}	1292	}
844		1293
845	cf::player->attach (	1294	cf::player->attach (
846	on_command => sub {	1295	on_command => sub {
847	my ($pl, $name, $params) = @_;	1296	my ($pl, $name, $params) = @_;
…		…
856	cf::override;	1305	cf::override;
857	},	1306	},
858	on_extcmd => sub {	1307	on_extcmd => sub {
859	my ($pl, $buf) = @_;	1308	my ($pl, $buf) = @_;
860		1309
861	my $msg = eval { from_json $buf };	1310	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
862		1311
863	if (ref $msg) {	1312	if (ref $msg) {
		1313	my ($type, $reply, @payload) =
		1314	"ARRAY" eq ref $msg
		1315	? @$msg
		1316	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1317
		1318	my @reply;
		1319
864	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1320	if (my $cb = $EXTCMD{$type}) {
865	if (my %reply = $cb->($pl, $msg)) {	1321	@reply = $cb->($pl, @payload);
866	$pl->ext_reply ($msg->{msgid}, %reply);
867	}
868	}	1322	}
		1323
		1324	$pl->ext_reply ($reply, @reply)
		1325	if $reply;
		1326
869	} else {	1327	} else {
870	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1328	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
871	}	1329	}
872		1330
873	cf::override;	1331	cf::override;
874	},	1332	},
875	);	1333	);
876		1334
877	sub load_extension {
878	my ($path) = @_;
879
880	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
881	my $base = $1;
882	my $pkg = $1;
883	$pkg =~ s/[^[:word:]]/_/g;
884	$pkg = "ext::$pkg";
885
886	warn "... loading '$path' into '$pkg'\n";
887
888	open my $fh, "<:utf8", $path
889	or die "$path: $!";
890
891	my $source =
892	"package $pkg; use strict; use utf8;\n"
893	. "#line 1 \"$path\"\n{\n"
894	. (do { local $/; <$fh> })
895	. "\n};\n1";
896
897	unless (eval $source) {
898	my $msg = $@ ? "$path: $@\n"
899	: "extension disabled.\n";
900	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
901	warn $@;
902	warn "mandatory extension failed to load, exiting.\n";
903	exit 1;
904	}
905	die $@;
906	}
907
908	push @EXTS, $pkg;
909	}
910
911	sub load_extensions {	1335	sub load_extensions {
		1336	cf::sync_job {
		1337	my %todo;
		1338
912	for my $ext (<$LIBDIR/*.ext>) {	1339	for my $path (<$LIBDIR/*.ext>) {
913	next unless -r $ext;	1340	next unless -r $path;
914	eval {	1341
915	load_extension $ext;	1342	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1343	my $base = $1;
		1344	my $pkg = $1;
		1345	$pkg =~ s/[^[:word:]]/_/g;
		1346	$pkg = "ext::$pkg";
		1347
		1348	open my $fh, "<:utf8", $path
		1349	or die "$path: $!";
		1350
		1351	my $source = do { local $/; <$fh> };
		1352
		1353	my %ext = (
		1354	path => $path,
		1355	base => $base,
		1356	pkg => $pkg,
		1357	);
		1358
		1359	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1360	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1361
		1362	$ext{source} =
		1363	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1364	. "#line 1 \"$path\"\n{\n"
		1365	. $source
		1366	. "\n};\n1";
		1367
		1368	$todo{$base} = \%ext;
		1369	}
		1370
		1371	my %done;
		1372	while (%todo) {
		1373	my $progress;
		1374
		1375	while (my ($k, $v) = each %todo) {
		1376	for (split /,\s*/, $v->{meta}{depends}) {
		1377	goto skip
		1378	unless exists $done{$_};
		1379	}
		1380
		1381	warn "... loading '$k' into '$v->{pkg}'\n";
		1382
		1383	unless (eval $v->{source}) {
		1384	my $msg = $@ ? "$v->{path}: $@\n"
		1385	: "$v->{base}: extension inactive.\n";
		1386
		1387	if (exists $v->{meta}{mandatory}) {
		1388	warn $msg;
		1389	cf::cleanup "mandatory extension failed to load, exiting.";
		1390	}
		1391
		1392	warn $msg;
		1393	}
		1394
		1395	$done{$k} = delete $todo{$k};
		1396	push @EXTS, $v->{pkg};
		1397	$progress = 1;
916	1	1398	}
917	} or warn "$ext not loaded: $@";	1399
		1400	skip:
		1401	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1402	unless $progress;
		1403	}
918	}	1404	};
919	}	1405	}
920		1406
921	#############################################################################	1407	#############################################################################
922		1408
		1409	=back
		1410
923	=head2 CORE EXTENSIONS	1411	=head2 CORE EXTENSIONS
924		1412
925	Functions and methods that extend core crossfire objects.	1413	Functions and methods that extend core deliantra objects.
926		1414
927	=cut	1415	=cut
928		1416
929	package cf::player;	1417	package cf::player;
930		1418
…		…
932		1420
933	=head3 cf::player	1421	=head3 cf::player
934		1422
935	=over 4	1423	=over 4
936		1424
		1425	=item cf::player::num_playing
		1426
		1427	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1428
		1429	=cut
		1430
		1431	sub num_playing {
		1432	scalar grep
		1433	$_->ob->map
		1434	&& !$_->hidden
		1435	&& !$_->ob->flag (cf::FLAG_WIZ),
		1436	cf::player::list
		1437	}
		1438
937	=item cf::player::find $login	1439	=item cf::player::find $login
938		1440
939	Returns the given player object, loading it if necessary (might block).	1441	Returns the given player object, loading it if necessary (might block).
940		1442
941	=cut	1443	=cut
942		1444
943	sub playerdir($) {	1445	sub playerdir($) {
944	cf::localdir	1446	"$PLAYERDIR/"
945	. "/"
946	. cf::playerdir
947	. "/"
948	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1447	. (ref $_[0] ? $_[0]->ob->name : $_[0])
949	}	1448	}
950		1449
951	sub path($) {	1450	sub path($) {
952	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1451	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
953		1452
954	(playerdir $login) . "/$login.pl"	1453	(playerdir $login) . "/playerdata"
955	}	1454	}
956		1455
957	sub find_active($) {	1456	sub find_active($) {
958	$cf::PLAYER{$_[0]}	1457	$cf::PLAYER{$_[0]}
959	and $cf::PLAYER{$_[0]}->active	1458	and $cf::PLAYER{$_[0]}->active
…		…
962		1461
963	sub exists($) {	1462	sub exists($) {
964	my ($login) = @_;	1463	my ($login) = @_;
965		1464
966	$cf::PLAYER{$login}	1465	$cf::PLAYER{$login}
967	or cf::sync_job { !aio_stat path $login }	1466	or !aio_stat path $login
968	}	1467	}
969		1468
970	sub find($) {	1469	sub find($) {
971	return $cf::PLAYER{$_[0]} || do {	1470	return $cf::PLAYER{$_[0]} || do {
972	my $login = $_[0];	1471	my $login = $_[0];
973		1472
974	my $guard = cf::lock_acquire "user_find:$login";	1473	my $guard = cf::lock_acquire "user_find:$login";
975		1474
976	$cf::PLAYER{$_[0]} || do {	1475	$cf::PLAYER{$_[0]} || do {
977	my $pl = load_pl path $login	1476	# rename old playerfiles to new ones
		1477	#TODO: remove when no longer required
		1478	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1479	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1480	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1481	aio_unlink +(playerdir $login) . "/$login.pl";
		1482
		1483	my $f = new_from_file cf::object::thawer path $login
978	or return;	1484	or return;
		1485
		1486	my $pl = cf::player::load_pl $f
		1487	or return;
		1488
		1489	local $cf::PLAYER_LOADING{$login} = $pl;
		1490	$f->resolve_delayed_derefs;
979	$cf::PLAYER{$login} = $pl	1491	$cf::PLAYER{$login} = $pl
980	}	1492	}
981	}	1493	}
982	}	1494	}
983		1495
…		…
992	return if $pl->{deny_save};	1504	return if $pl->{deny_save};
993		1505
994	aio_mkdir playerdir $pl, 0770;	1506	aio_mkdir playerdir $pl, 0770;
995	$pl->{last_save} = $cf::RUNTIME;	1507	$pl->{last_save} = $cf::RUNTIME;
996		1508
		1509	cf::get_slot 0.01;
		1510
997	$pl->save_pl ($path);	1511	$pl->save_pl ($path);
998	Coro::cede;	1512	cf::cede_to_tick;
999	}	1513	}
1000		1514
1001	sub new($) {	1515	sub new($) {
1002	my ($login) = @_;	1516	my ($login) = @_;
1003		1517
…		…
1009	$cf::PLAYER{$login} = $self;	1523	$cf::PLAYER{$login} = $self;
1010		1524
1011	$self	1525	$self
1012	}	1526	}
1013		1527
		1528	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1529
		1530	=cut
		1531
		1532	sub send_msg {
		1533	my $ns = shift->ns
		1534	or return;
		1535	$ns->send_msg (@_);
		1536	}
		1537
1014	=item $pl->quit_character	1538	=item $pl->quit_character
1015		1539
1016	Nukes the player without looking back. If logged in, the connection will	1540	Nukes the player without looking back. If logged in, the connection will
1017	be destroyed. May block for a long time.	1541	be destroyed. May block for a long time.
1018		1542
1019	=cut	1543	=cut
1020		1544
1021	sub quit_character {	1545	sub quit_character {
1022	my ($pl) = @_;	1546	my ($pl) = @_;
1023		1547
		1548	my $name = $pl->ob->name;
		1549
1024	$pl->{deny_save} = 1;	1550	$pl->{deny_save} = 1;
1025	$pl->password ("*"); # this should lock out the player until we nuked the dir	1551	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1026		1552
1027	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1553	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1028	$pl->deactivate;	1554	$pl->deactivate;
		1555	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1556	$pl->ob->check_score;
1029	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1557	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1030	$pl->ns->destroy if $pl->ns;	1558	$pl->ns->destroy if $pl->ns;
1031		1559
1032	my $path = playerdir $pl;	1560	my $path = playerdir $pl;
1033	my $temp = "$path~$cf::RUNTIME~deleting~";	1561	my $temp = "$path~$cf::RUNTIME~deleting~";
1034	aio_rename $path, $temp;	1562	aio_rename $path, $temp;
1035	delete $cf::PLAYER{$pl->ob->name};	1563	delete $cf::PLAYER{$pl->ob->name};
1036	$pl->destroy;	1564	$pl->destroy;
		1565
		1566	my $prefix = qr<^~\Q$name\E/>;
		1567
		1568	# nuke player maps
		1569	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1570
1037	IO::AIO::aio_rmtree $temp;	1571	IO::AIO::aio_rmtree $temp;
		1572	}
		1573
		1574	=item $pl->kick
		1575
		1576	Kicks a player out of the game. This destroys the connection.
		1577
		1578	=cut
		1579
		1580	sub kick {
		1581	my ($pl, $kicker) = @_;
		1582
		1583	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1584	$pl->killer ("kicked");
		1585	$pl->ns->destroy;
1038	}	1586	}
1039		1587
1040	=item cf::player::list_logins	1588	=item cf::player::list_logins
1041		1589
1042	Returns am arrayref of all valid playernames in the system, can take a	1590	Returns am arrayref of all valid playernames in the system, can take a
1043	while and may block, so not sync_job-capable, ever.	1591	while and may block, so not sync_job-capable, ever.
1044		1592
1045	=cut	1593	=cut
1046		1594
1047	sub list_logins {	1595	sub list_logins {
1048	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1596	my $dirs = aio_readdir $PLAYERDIR
1049	or return [];	1597	or return [];
1050		1598
1051	my @logins;	1599	my @logins;
1052		1600
1053	for my $login (@$dirs) {	1601	for my $login (@$dirs) {
		1602	my $path = path $login;
		1603
		1604	# a .pst is a dead give-away for a valid player
		1605	# if no pst file found, open and chekc for blocked users
		1606	if (aio_stat "$path.pst") {
1054	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1607	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1055	aio_read $fh, 0, 512, my $buf, 0 or next;	1608	aio_read $fh, 0, 512, my $buf, 0 or next;
1056	$buf !~ /^password -------------$/m or next; # official not-valid tag	1609	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1610	}
1057		1611
1058	utf8::decode $login;	1612	utf8::decode $login;
1059	push @logins, $login;	1613	push @logins, $login;
1060	}	1614	}
1061		1615
…		…
1069		1623
1070	=cut	1624	=cut
1071		1625
1072	sub maps($) {	1626	sub maps($) {
1073	my ($pl) = @_;	1627	my ($pl) = @_;
		1628
		1629	$pl = ref $pl ? $pl->ob->name : $pl;
1074		1630
1075	my $files = aio_readdir playerdir $pl	1631	my $files = aio_readdir playerdir $pl
1076	or return;	1632	or return;
1077		1633
1078	my @paths;	1634	my @paths;
…		…
1080	for (@$files) {	1636	for (@$files) {
1081	utf8::decode $_;	1637	utf8::decode $_;
1082	next if /\.(?:pl|pst)$/;	1638	next if /\.(?:pl|pst)$/;
1083	next unless /^$PATH_SEP/o;	1639	next unless /^$PATH_SEP/o;
1084		1640
1085	push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_;	1641	push @paths, cf::map::normalise "~$pl/$_";
1086	}	1642	}
1087		1643
1088	\@paths	1644	\@paths
1089	}	1645	}
1090		1646
		1647	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1648
		1649	Expand deliantra pod fragments into protocol xml.
		1650
1091	=item $player->ext_reply ($msgid, $msgtype, %msg)	1651	=item $player->ext_reply ($msgid, @msg)
1092		1652
1093	Sends an ext reply to the player.	1653	Sends an ext reply to the player.
1094		1654
1095	=cut	1655	=cut
1096		1656
1097	sub ext_reply($$$%) {	1657	sub ext_reply($$@) {
1098	my ($self, $id, %msg) = @_;	1658	my ($self, $id, @msg) = @_;
1099		1659
1100	$msg{msgid} = $id;	1660	$self->ns->ext_reply ($id, @msg)
1101
1102	$self->send ("ext " . cf::to_json \%msg);
1103	}	1661	}
1104		1662
1105	package cf;	1663	=item $player->ext_msg ($type, @msg)
		1664
		1665	Sends an ext event to the client.
		1666
		1667	=cut
		1668
		1669	sub ext_msg($$@) {
		1670	my ($self, $type, @msg) = @_;
		1671
		1672	$self->ns->ext_msg ($type, @msg);
		1673	}
		1674
		1675	=head3 cf::region
		1676
		1677	=over 4
		1678
		1679	=cut
		1680
		1681	package cf::region;
		1682
		1683	=item cf::region::find_by_path $path
		1684
		1685	Tries to decuce the likely region for a map knowing only its path.
		1686
		1687	=cut
		1688
		1689	sub find_by_path($) {
		1690	my ($path) = @_;
		1691
		1692	my ($match, $specificity);
		1693
		1694	for my $region (list) {
		1695	if ($region->{match} && $path =~ $region->{match}) {
		1696	($match, $specificity) = ($region, $region->specificity)
		1697	if $region->specificity > $specificity;
		1698	}
		1699	}
		1700
		1701	$match
		1702	}
1106		1703
1107	=back	1704	=back
1108
1109		1705
1110	=head3 cf::map	1706	=head3 cf::map
1111		1707
1112	=over 4	1708	=over 4
1113		1709
…		…
1125	our $MAX_RESET = 3600;	1721	our $MAX_RESET = 3600;
1126	our $DEFAULT_RESET = 3000;	1722	our $DEFAULT_RESET = 3000;
1127		1723
1128	sub generate_random_map {	1724	sub generate_random_map {
1129	my ($self, $rmp) = @_;	1725	my ($self, $rmp) = @_;
		1726
		1727	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1728
1130	# mit "rum" bekleckern, nicht	1729	# mit "rum" bekleckern, nicht
1131	$self->_create_random_map (	1730	$self->_create_random_map (
1132	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1731	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1133	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1732	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1134	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1733	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1168	my ($self, $merge) = @_;	1767	my ($self, $merge) = @_;
1169		1768
1170	# we have to keep some variables in memory intact	1769	# we have to keep some variables in memory intact
1171	local $self->{path};	1770	local $self->{path};
1172	local $self->{load_path};	1771	local $self->{load_path};
1173	local $self->{deny_save};
1174	local $self->{deny_reset};
1175		1772
1176	$self->SUPER::thawer_merge ($merge);	1773	$self->SUPER::thawer_merge ($merge);
1177	}	1774	}
1178		1775
1179	sub normalise {	1776	sub normalise {
…		…
1226	$self->init; # pass $1 etc.	1823	$self->init; # pass $1 etc.
1227	return $self;	1824	return $self;
1228	}	1825	}
1229	}	1826	}
1230		1827
1231	Carp::carp "unable to resolve path '$path' (base '$base').";	1828	Carp::cluck "unable to resolve path '$path' (base '$base').";
1232	()	1829	()
1233	}	1830	}
1234		1831
1235	sub init {	1832	sub init {
1236	my ($self) = @_;	1833	my ($self) = @_;
…		…
1251		1848
1252	# the original (read-only) location	1849	# the original (read-only) location
1253	sub load_path {	1850	sub load_path {
1254	my ($self) = @_;	1851	my ($self) = @_;
1255		1852
1256	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1853	"$MAPDIR/$self->{path}.map"
1257	}	1854	}
1258		1855
1259	# the temporary/swap location	1856	# the temporary/swap location
1260	sub save_path {	1857	sub save_path {
1261	my ($self) = @_;	1858	my ($self) = @_;
1262		1859
1263	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1860	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1264	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1861	"$TMPDIR/$path.map"
1265	}	1862	}
1266		1863
1267	# the unique path, undef == no special unique path	1864	# the unique path, undef == no special unique path
1268	sub uniq_path {	1865	sub uniq_path {
1269	my ($self) = @_;	1866	my ($self) = @_;
1270		1867
1271	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1868	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1272	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1869	"$UNIQUEDIR/$path"
1273	}	1870	}
1274		1871
1275	# and all this just because we cannot iterate over	1872	# and all this just because we cannot iterate over
1276	# all maps in C++...	1873	# all maps in C++...
1277	sub change_all_map_light {	1874	sub change_all_map_light {
…		…
1279		1876
1280	$_->change_map_light ($change)	1877	$_->change_map_light ($change)
1281	for grep $_->outdoor, values %cf::MAP;	1878	for grep $_->outdoor, values %cf::MAP;
1282	}	1879	}
1283		1880
		1881	sub decay_objects {
		1882	my ($self) = @_;
		1883
		1884	return if $self->{deny_reset};
		1885
		1886	$self->do_decay_objects;
		1887	}
		1888
1284	sub unlink_save {	1889	sub unlink_save {
1285	my ($self) = @_;	1890	my ($self) = @_;
1286		1891
1287	utf8::encode (my $save = $self->save_path);	1892	utf8::encode (my $save = $self->save_path);
1288	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1893	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1291		1896
1292	sub load_header_from($) {	1897	sub load_header_from($) {
1293	my ($self, $path) = @_;	1898	my ($self, $path) = @_;
1294		1899
1295	utf8::encode $path;	1900	utf8::encode $path;
1296	aio_open $path, O_RDONLY, 0	1901	my $f = new_from_file cf::object::thawer $path
1297	or return;	1902	or return;
1298		1903
1299	$self->_load_header ($path)	1904	$self->_load_header ($f)
1300	or return;	1905	or return;
		1906
		1907	local $MAP_LOADING{$self->{path}} = $self;
		1908	$f->resolve_delayed_derefs;
1301		1909
1302	$self->{load_path} = $path;	1910	$self->{load_path} = $path;
1303		1911
1304	1	1912	1
1305	}	1913	}
…		…
1344	$self->load_header_orig	1952	$self->load_header_orig
1345	or return;	1953	or return;
1346	$self->prepare_orig;	1954	$self->prepare_orig;
1347	}	1955	}
1348		1956
		1957	$self->{deny_reset} = 1
		1958	if $self->no_reset;
		1959
		1960	$self->default_region (cf::region::find_by_path $self->{path})
		1961	unless $self->default_region;
		1962
1349	1	1963	1
1350	}	1964	}
1351		1965
1352	sub find;	1966	sub find;
1353	sub find {	1967	sub find {
1354	my ($path, $origin) = @_;	1968	my ($path, $origin) = @_;
1355		1969
1356	$path = normalise $path, $origin && $origin->path;	1970	$path = normalise $path, $origin && $origin->path;
1357		1971
		1972	cf::lock_wait "map_data:$path";#d#remove
1358	cf::lock_wait "map_find:$path";	1973	cf::lock_wait "map_find:$path";
1359		1974
1360	$cf::MAP{$path} || do {	1975	$cf::MAP{$path} || do {
		1976	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1361	my $guard = cf::lock_acquire "map_find:$path";	1977	my $guard2 = cf::lock_acquire "map_find:$path";
		1978
1362	my $map = new_from_path cf::map $path	1979	my $map = new_from_path cf::map $path
1363	or return;	1980	or return;
1364		1981
1365	$map->{last_save} = $cf::RUNTIME;	1982	$map->{last_save} = $cf::RUNTIME;
1366		1983
1367	$map->load_header	1984	$map->load_header
1368	or return;	1985	or return;
1369		1986
1370	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1987	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1371	# doing this can freeze the server in a sync job, obviously	1988	# doing this can freeze the server in a sync job, obviously
1372	#$cf::WAIT_FOR_TICK->wait;	1989	#$cf::WAIT_FOR_TICK->wait;
		1990	undef $guard2;
		1991	undef $guard1;
1373	$map->reset;	1992	$map->reset;
1374	undef $guard;
1375	return find $path;	1993	return find $path;
1376	}	1994	}
1377		1995
1378	$cf::MAP{$path} = $map	1996	$cf::MAP{$path} = $map
1379	}	1997	}
…		…
1386	my ($self) = @_;	2004	my ($self) = @_;
1387		2005
1388	local $self->{deny_reset} = 1; # loading can take a long time	2006	local $self->{deny_reset} = 1; # loading can take a long time
1389		2007
1390	my $path = $self->{path};	2008	my $path = $self->{path};
		2009
		2010	{
1391	my $guard = cf::lock_acquire "map_load:$path";	2011	my $guard = cf::lock_acquire "map_data:$path";
1392		2012
		2013	return unless $self->valid;
1393	return if $self->in_memory != cf::MAP_SWAPPED;	2014	return unless $self->in_memory == cf::MAP_SWAPPED;
1394		2015
1395	$self->in_memory (cf::MAP_LOADING);	2016	$self->in_memory (cf::MAP_LOADING);
1396		2017
1397	$self->alloc;	2018	$self->alloc;
1398		2019
1399	$self->pre_load;	2020	$self->pre_load;
		2021	cf::cede_to_tick;
1400		2022
1401	$self->_load_objects ($self->{load_path}, 1)	2023	my $f = new_from_file cf::object::thawer $self->{load_path};
		2024	$f->skip_block;
		2025	$self->_load_objects ($f)
1402	or return;	2026	or return;
1403		2027
1404	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2028	$self->post_load_original
1405	if delete $self->{load_original};	2029	if delete $self->{load_original};
1406		2030
1407	if (my $uniq = $self->uniq_path) {	2031	if (my $uniq = $self->uniq_path) {
1408	utf8::encode $uniq;	2032	utf8::encode $uniq;
1409	if (aio_open $uniq, O_RDONLY, 0) {	2033	unless (aio_stat $uniq) {
		2034	if (my $f = new_from_file cf::object::thawer $uniq) {
1410	$self->clear_unique_items;	2035	$self->clear_unique_items;
1411	$self->_load_objects ($uniq, 0);	2036	$self->_load_objects ($f);
		2037	$f->resolve_delayed_derefs;
		2038	}
1412	}	2039	}
1413	}	2040	}
1414		2041
1415	Coro::cede;	2042	$f->resolve_delayed_derefs;
1416		2043
		2044	cf::cede_to_tick;
1417	# now do the right thing for maps	2045	# now do the right thing for maps
1418	$self->link_multipart_objects;	2046	$self->link_multipart_objects;
1419
1420	unless ($self->{deny_activate}) {
1421	$self->decay_objects;
1422	$self->fix_auto_apply;
1423	$self->update_buttons;
1424	Coro::cede;
1425	$self->set_darkness_map;
1426	$self->difficulty ($self->estimate_difficulty)	2047	$self->difficulty ($self->estimate_difficulty)
1427	unless $self->difficulty;	2048	unless $self->difficulty;
1428	Coro::cede;	2049	cf::cede_to_tick;
		2050
		2051	unless ($self->{deny_activate}) {
		2052	$self->decay_objects;
		2053	$self->fix_auto_apply;
		2054	$self->update_buttons;
		2055	cf::cede_to_tick;
		2056	$self->set_darkness_map;
		2057	cf::cede_to_tick;
1429	$self->activate;	2058	$self->activate;
		2059	}
		2060
		2061	$self->{last_save} = $cf::RUNTIME;
		2062	$self->last_access ($cf::RUNTIME);
		2063
		2064	$self->in_memory (cf::MAP_ACTIVE);
1430	}	2065	}
1431		2066
1432	$self->post_load;	2067	$self->post_load;
1433
1434	$self->in_memory (cf::MAP_IN_MEMORY);
1435	}	2068	}
1436		2069
1437	sub customise_for {	2070	sub customise_for {
1438	my ($self, $ob) = @_;	2071	my ($self, $ob) = @_;
1439		2072
1440	return find "~" . $ob->name . "/" . $self->{path}	2073	return find "~" . $ob->name . "/" . $self->{path}
1441	if $self->per_player;	2074	if $self->per_player;
1442		2075
		2076	# return find "?party/" . $ob->name . "/" . $self->{path}
		2077	# if $self->per_party;
		2078
1443	$self	2079	$self
1444	}	2080	}
1445		2081
1446	# find and load all maps in the 3x3 area around a map	2082	# find and load all maps in the 3x3 area around a map
1447	sub load_diag {	2083	sub load_neighbours {
1448	my ($map) = @_;	2084	my ($map) = @_;
1449		2085
1450	my @diag; # diagonal neighbours	2086	my @neigh; # diagonal neighbours
1451		2087
1452	for (0 .. 3) {	2088	for (0 .. 3) {
1453	my $neigh = $map->tile_path ($_)	2089	my $neigh = $map->tile_path ($_)
1454	or next;	2090	or next;
1455	$neigh = find $neigh, $map	2091	$neigh = find $neigh, $map
1456	or next;	2092	or next;
1457	$neigh->load;	2093	$neigh->load;
1458		2094
		2095	push @neigh,
1459	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2096	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1460	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2097	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1461	}	2098	}
1462		2099
1463	for (@diag) {	2100	for (grep defined $_->[0], @neigh) {
		2101	my ($path, $origin) = @$_;
1464	my $neigh = find @$_	2102	my $neigh = find $path, $origin
1465	or next;	2103	or next;
1466	$neigh->load;	2104	$neigh->load;
1467	}	2105	}
1468	}	2106	}
1469		2107
…		…
1474	}	2112	}
1475		2113
1476	sub do_load_sync {	2114	sub do_load_sync {
1477	my ($map) = @_;	2115	my ($map) = @_;
1478		2116
		2117	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2118	if $Coro::current == $Coro::main;
		2119
1479	cf::sync_job { $map->load };	2120	cf::sync_job { $map->load };
1480	}	2121	}
1481		2122
1482	our %MAP_PREFETCH;	2123	our %MAP_PREFETCH;
1483	our $MAP_PREFETCHER = undef;	2124	our $MAP_PREFETCHER = undef;
1484		2125
1485	sub find_async {	2126	sub find_async {
1486	my ($path, $origin) = @_;	2127	my ($path, $origin, $load) = @_;
1487		2128
1488	$path = normalise $path, $origin && $origin->{path};	2129	$path = normalise $path, $origin && $origin->{path};
1489		2130
1490	if (my $map = $cf::MAP{$path}) {	2131	if (my $map = $cf::MAP{$path}) {
1491	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2132	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1492	}	2133	}
1493		2134
1494	undef $MAP_PREFETCH{$path};	2135	$MAP_PREFETCH{$path} |= $load;
		2136
1495	$MAP_PREFETCHER ||= cf::async {	2137	$MAP_PREFETCHER ||= cf::async {
		2138	$Coro::current->{desc} = "map prefetcher";
		2139
1496	while (%MAP_PREFETCH) {	2140	while (%MAP_PREFETCH) {
1497	for my $path (keys %MAP_PREFETCH) {	2141	while (my ($k, $v) = each %MAP_PREFETCH) {
1498	my $map = find $path	2142	if (my $map = find $k) {
1499	or next;
1500	$map->load;	2143	$map->load if $v;
		2144	}
1501		2145
1502	delete $MAP_PREFETCH{$path};	2146	delete $MAP_PREFETCH{$k};
1503	}	2147	}
1504	}	2148	}
1505	undef $MAP_PREFETCHER;	2149	undef $MAP_PREFETCHER;
1506	};	2150	};
1507	$MAP_PREFETCHER->prio (6);	2151	$MAP_PREFETCHER->prio (6);
…		…
1510	}	2154	}
1511		2155
1512	sub save {	2156	sub save {
1513	my ($self) = @_;	2157	my ($self) = @_;
1514		2158
1515	my $lock = cf::lock_acquire "map_data:" . $self->path;	2159	my $lock = cf::lock_acquire "map_data:$self->{path}";
1516		2160
1517	$self->{last_save} = $cf::RUNTIME;	2161	$self->{last_save} = $cf::RUNTIME;
1518		2162
1519	return unless $self->dirty;	2163	return unless $self->dirty;
1520		2164
…		…
1526	return if $self->{deny_save};	2170	return if $self->{deny_save};
1527		2171
1528	local $self->{last_access} = $self->last_access;#d#	2172	local $self->{last_access} = $self->last_access;#d#
1529		2173
1530	cf::async {	2174	cf::async {
		2175	$Coro::current->{desc} = "map player save";
1531	$_->contr->save for $self->players;	2176	$_->contr->save for $self->players;
1532	};	2177	};
		2178
		2179	cf::get_slot 0.02;
1533		2180
1534	if ($uniq) {	2181	if ($uniq) {
1535	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2182	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1536	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2183	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1537	} else {	2184	} else {
…		…
1543	my ($self) = @_;	2190	my ($self) = @_;
1544		2191
1545	# save first because save cedes	2192	# save first because save cedes
1546	$self->save;	2193	$self->save;
1547		2194
1548	my $lock = cf::lock_acquire "map_data:" . $self->path;	2195	my $lock = cf::lock_acquire "map_data:$self->{path}";
1549		2196
1550	return if $self->players;	2197	return if $self->players;
1551	return if $self->in_memory != cf::MAP_IN_MEMORY;	2198	return if $self->in_memory != cf::MAP_ACTIVE;
1552	return if $self->{deny_save};	2199	return if $self->{deny_save};
1553		2200
		2201	$self->in_memory (cf::MAP_SWAPPED);
		2202
		2203	$self->deactivate;
		2204	$_->clear_links_to ($self) for values %cf::MAP;
1554	$self->clear;	2205	$self->clear;
1555	$self->in_memory (cf::MAP_SWAPPED);
1556	}	2206	}
1557		2207
1558	sub reset_at {	2208	sub reset_at {
1559	my ($self) = @_;	2209	my ($self) = @_;
1560		2210
1561	# TODO: safety, remove and allow resettable per-player maps	2211	# TODO: safety, remove and allow resettable per-player maps
1562	return 1e99 if $self->isa ("ext::map_per_player");#d#
1563	return 1e99 if $self->{deny_reset};	2212	return 1e99 if $self->{deny_reset};
1564		2213
1565	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2214	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1566	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2215	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1567		2216
…		…
1578	my ($self) = @_;	2227	my ($self) = @_;
1579		2228
1580	my $lock = cf::lock_acquire "map_data:$self->{path}";	2229	my $lock = cf::lock_acquire "map_data:$self->{path}";
1581		2230
1582	return if $self->players;	2231	return if $self->players;
1583	return if $self->isa ("ext::map_per_player");#d#
1584		2232
1585	warn "resetting map ", $self->path;#d#	2233	warn "resetting map ", $self->path;
		2234
		2235	$self->in_memory (cf::MAP_SWAPPED);
		2236
		2237	# need to save uniques path
		2238	unless ($self->{deny_save}) {
		2239	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2240
		2241	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2242	if $uniq;
		2243	}
1586		2244
1587	delete $cf::MAP{$self->path};	2245	delete $cf::MAP{$self->path};
1588		2246
1589	$self->in_memory (cf::MAP_SWAPPED);	2247	$self->deactivate;
		2248	$_->clear_links_to ($self) for values %cf::MAP;
1590	$self->clear;	2249	$self->clear;
1591
1592	$_->clear_links_to ($self) for values %cf::MAP;
1593		2250
1594	$self->unlink_save;	2251	$self->unlink_save;
1595	$self->destroy;	2252	$self->destroy;
1596	}	2253	}
1597		2254
1598	my $nuke_counter = "aaaa";	2255	my $nuke_counter = "aaaa";
1599		2256
1600	sub nuke {	2257	sub nuke {
1601	my ($self) = @_;	2258	my ($self) = @_;
1602		2259
		2260	{
		2261	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2262
1603	delete $cf::MAP{$self->path};	2263	delete $cf::MAP{$self->path};
1604		2264
1605	$self->unlink_save;	2265	$self->unlink_save;
1606		2266
1607	bless $self, "cf::map";	2267	bless $self, "cf::map";
1608	delete $self->{deny_reset};	2268	delete $self->{deny_reset};
1609	$self->{deny_save} = 1;	2269	$self->{deny_save} = 1;
1610	$self->reset_timeout (1);	2270	$self->reset_timeout (1);
1611	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2271	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1612		2272
1613	$cf::MAP{$self->path} = $self;	2273	$cf::MAP{$self->path} = $self;
		2274	}
1614		2275
1615	$self->reset; # polite request, might not happen	2276	$self->reset; # polite request, might not happen
		2277	}
		2278
		2279	=item $maps = cf::map::tmp_maps
		2280
		2281	Returns an arrayref with all map paths of currently instantiated and saved
		2282	maps. May block.
		2283
		2284	=cut
		2285
		2286	sub tmp_maps() {
		2287	[
		2288	map {
		2289	utf8::decode $_;
		2290	/\.map$/
		2291	? normalise $_
		2292	: ()
		2293	} @{ aio_readdir $TMPDIR or [] }
		2294	]
		2295	}
		2296
		2297	=item $maps = cf::map::random_maps
		2298
		2299	Returns an arrayref with all map paths of currently instantiated and saved
		2300	random maps. May block.
		2301
		2302	=cut
		2303
		2304	sub random_maps() {
		2305	[
		2306	map {
		2307	utf8::decode $_;
		2308	/\.map$/
		2309	? normalise "?random/$_"
		2310	: ()
		2311	} @{ aio_readdir $RANDOMDIR or [] }
		2312	]
1616	}	2313	}
1617		2314
1618	=item cf::map::unique_maps	2315	=item cf::map::unique_maps
1619		2316
1620	Returns an arrayref of paths of all shared maps that have	2317	Returns an arrayref of paths of all shared maps that have
1621	instantiated unique items. May block.	2318	instantiated unique items. May block.
1622		2319
1623	=cut	2320	=cut
1624		2321
1625	sub unique_maps() {	2322	sub unique_maps() {
1626	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2323	[
1627	or return;	2324	map {
1628
1629	my @paths;
1630
1631	for (@$files) {
1632	utf8::decode $_;	2325	utf8::decode $_;
1633	next if /\.pst$/;	2326	s/\.map$//; # TODO future compatibility hack
1634	next unless /^$PATH_SEP/o;	2327	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1635		2328	? ()
1636	push @paths, cf::map::normalise $_;	2329	: normalise $_
		2330	} @{ aio_readdir $UNIQUEDIR or [] }
1637	}	2331	]
1638
1639	\@paths
1640	}	2332	}
1641
1642	package cf;
1643		2333
1644	=back	2334	=back
1645		2335
1646	=head3 cf::object	2336	=head3 cf::object
1647		2337
…		…
1651		2341
1652	=over 4	2342	=over 4
1653		2343
1654	=item $ob->inv_recursive	2344	=item $ob->inv_recursive
1655		2345
1656	Returns the inventory of the object _and_ their inventories, recursively.	2346	Returns the inventory of the object I<and> their inventories, recursively,
		2347	but I<not> the object itself.
1657		2348
1658	=cut	2349	=cut
1659		2350
1660	sub inv_recursive_;	2351	sub inv_recursive_;
1661	sub inv_recursive_ {	2352	sub inv_recursive_ {
…		…
1664		2355
1665	sub inv_recursive {	2356	sub inv_recursive {
1666	inv_recursive_ inv $_[0]	2357	inv_recursive_ inv $_[0]
1667	}	2358	}
1668		2359
		2360	=item $ref = $ob->ref
		2361
		2362	Creates and returns a persistent reference to an object that can be stored as a string.
		2363
		2364	=item $ob = cf::object::deref ($refstring)
		2365
		2366	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2367	even if the object actually exists. May block.
		2368
		2369	=cut
		2370
		2371	sub deref {
		2372	my ($ref) = @_;
		2373
		2374	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2375	my ($uuid, $name) = ($1, $2);
		2376	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2377	or return;
		2378	$pl->ob->uuid eq $uuid
		2379	or return;
		2380
		2381	$pl->ob
		2382	} else {
		2383	warn "$ref: cannot resolve object reference\n";
		2384	undef
		2385	}
		2386	}
		2387
1669	package cf;	2388	package cf;
1670		2389
1671	=back	2390	=back
1672		2391
1673	=head3 cf::object::player	2392	=head3 cf::object::player
…		…
1679	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2398	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1680	can be C<undef>. Does the right thing when the player is currently in a	2399	can be C<undef>. Does the right thing when the player is currently in a
1681	dialogue with the given NPC character.	2400	dialogue with the given NPC character.
1682		2401
1683	=cut	2402	=cut
		2403
		2404	our $SAY_CHANNEL = {
		2405	id => "say",
		2406	title => "Map",
		2407	reply => "say ",
		2408	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2409	};
		2410
		2411	our $CHAT_CHANNEL = {
		2412	id => "chat",
		2413	title => "Chat",
		2414	reply => "chat ",
		2415	tooltip => "Player chat and shouts, global to the server.",
		2416	};
1684		2417
1685	# rough implementation of a future "reply" method that works	2418	# rough implementation of a future "reply" method that works
1686	# with dialog boxes.	2419	# with dialog boxes.
1687	#TODO: the first argument must go, split into a $npc->reply_to ( method	2420	#TODO: the first argument must go, split into a $npc->reply_to ( method
1688	sub cf::object::player::reply($$$;$) {	2421	sub cf::object::player::reply($$$;$) {
…		…
1690		2423
1691	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2424	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1692		2425
1693	if ($self->{record_replies}) {	2426	if ($self->{record_replies}) {
1694	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2427	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2428
1695	} else {	2429	} else {
		2430	my $pl = $self->contr;
		2431
		2432	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2433	my $dialog = $pl->{npc_dialog};
		2434	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2435
		2436	} else {
1696	$msg = $npc->name . " says: $msg" if $npc;	2437	$msg = $npc->name . " says: $msg" if $npc;
1697	$self->message ($msg, $flags);	2438	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2439	}
1698	}	2440	}
		2441	}
		2442
		2443	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2444
		2445	=cut
		2446
		2447	sub cf::object::send_msg {
		2448	my $pl = shift->contr
		2449	or return;
		2450	$pl->send_msg (@_);
1699	}	2451	}
1700		2452
1701	=item $player_object->may ("access")	2453	=item $player_object->may ("access")
1702		2454
1703	Returns wether the given player is authorized to access resource "access"	2455	Returns wether the given player is authorized to access resource "access"
…		…
1716		2468
1717	=item $player_object->enter_link	2469	=item $player_object->enter_link
1718		2470
1719	Freezes the player and moves him/her to a special map (C<{link}>).	2471	Freezes the player and moves him/her to a special map (C<{link}>).
1720		2472
1721	The player should be reasonably safe there for short amounts of time. You	2473	The player should be reasonably safe there for short amounts of time (e.g.
1722	I<MUST> call C<leave_link> as soon as possible, though.	2474	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2475	though, as the palyer cannot control the character while it is on the link
		2476	map.
1723		2477
1724	Will never block.	2478	Will never block.
1725		2479
1726	=item $player_object->leave_link ($map, $x, $y)	2480	=item $player_object->leave_link ($map, $x, $y)
1727		2481
…		…
1750	$self->deactivate_recursive;	2504	$self->deactivate_recursive;
1751		2505
1752	return if UNIVERSAL::isa $self->map, "ext::map_link";	2506	return if UNIVERSAL::isa $self->map, "ext::map_link";
1753		2507
1754	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2508	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1755	if $self->map;	2509	if $self->map && $self->map->{path} ne "{link}";
1756		2510
1757	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2511	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1758	}	2512	}
1759		2513
1760	sub cf::object::player::leave_link {	2514	sub cf::object::player::leave_link {
1761	my ($self, $map, $x, $y) = @_;	2515	my ($self, $map, $x, $y) = @_;
		2516
		2517	return unless $self->contr->active;
1762		2518
1763	my $link_pos = delete $self->{_link_pos};	2519	my $link_pos = delete $self->{_link_pos};
1764		2520
1765	unless ($map) {	2521	unless ($map) {
1766	# restore original map position	2522	# restore original map position
…		…
1780	# use -1 or undef as default coordinates, not 0, 0	2536	# use -1 or undef as default coordinates, not 0, 0
1781	($x, $y) = ($map->enter_x, $map->enter_y)	2537	($x, $y) = ($map->enter_x, $map->enter_y)
1782	if $x <=0 && $y <= 0;	2538	if $x <=0 && $y <= 0;
1783		2539
1784	$map->load;	2540	$map->load;
1785	$map->load_diag;	2541	$map->load_neighbours;
1786		2542
1787	return unless $self->contr->active;	2543	return unless $self->contr->active;
		2544	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1788	$self->activate_recursive;	2545	$self->activate_recursive;
		2546
		2547	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1789	$self->enter_map ($map, $x, $y);	2548	$self->enter_map ($map, $x, $y);
1790	}	2549	}
1791		2550
1792	cf::player->attach (	2551	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1793	on_logout => sub {
1794	my ($pl) = @_;
1795		2552
1796	# abort map switching before logout	2553	Moves the player to the given map-path and coordinates by first freezing
1797	if ($pl->ob->{_link_pos}) {	2554	her, loading and preparing them map, calling the provided $check callback
1798	cf::sync_job {	2555	that has to return the map if sucecssful, and then unfreezes the player on
1799	$pl->ob->leave_link	2556	the new (success) or old (failed) map position. In either case, $done will
1800	};	2557	be called at the end of this process.
1801	}
1802	},
1803	on_login => sub {
1804	my ($pl) = @_;
1805		2558
1806	# try to abort aborted map switching on player login :)	2559	Note that $check will be called with a potentially non-loaded map, so if
1807	# should happen only on crashes	2560	it needs a loaded map it has to call C<< ->load >>.
1808	if ($pl->ob->{_link_pos}) {
1809	$pl->ob->enter_link;
1810	(async {
1811	# we need this sleep as the login has a concurrent enter_exit running
1812	# and this sleep increases chances of the player not ending up in scorn
1813	$pl->ob->reply (undef,
1814	"There was an internal problem at your last logout, "
1815	. "the server will try to bring you to your intended destination in a second.",
1816	cf::NDI_RED);
1817	Coro::Timer::sleep 1;
1818	$pl->ob->leave_link;
1819	})->prio (2);
1820	}
1821	},
1822	);
1823		2561
1824	=item $player_object->goto ($path, $x, $y)
1825
1826	=cut	2562	=cut
		2563
		2564	our $GOTOGEN;
1827		2565
1828	sub cf::object::player::goto {	2566	sub cf::object::player::goto {
1829	my ($self, $path, $x, $y) = @_;	2567	my ($self, $path, $x, $y, $check, $done) = @_;
		2568
		2569	# do generation counting so two concurrent goto's will be executed in-order
		2570	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1830		2571
1831	$self->enter_link;	2572	$self->enter_link;
1832		2573
1833	(async {	2574	(async {
		2575	$Coro::current->{desc} = "player::goto $path $x $y";
		2576
		2577	# *tag paths override both path and x|y
		2578	if ($path =~ /^\*(.*)$/) {
		2579	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2580	my $ob = $obs[rand @obs];
		2581
		2582	# see if we actually can go there
		2583	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2584	$ob = $obs[rand @obs];
		2585	} else {
		2586	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2587	}
		2588	# else put us there anyways for now #d#
		2589
		2590	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2591	} else {
		2592	($path, $x, $y) = (undef, undef, undef);
		2593	}
		2594	}
		2595
1834	my $map = eval {	2596	my $map = eval {
1835	my $map = cf::map::find $path;	2597	my $map = defined $path ? cf::map::find $path : undef;
		2598
		2599	if ($map) {
1836	$map = $map->customise_for ($self) if $map;	2600	$map = $map->customise_for ($self);
		2601	$map = $check->($map) if $check && $map;
		2602	} else {
		2603	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2604	}
		2605
1837	$map	2606	$map
		2607	};
		2608
		2609	if ($@) {
		2610	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2611	LOG llevError | logBacktrace, Carp::longmess $@;
1838	} or	2612	}
1839	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1840		2613
		2614	if ($gen == $self->{_goto_generation}) {
		2615	delete $self->{_goto_generation};
1841	$self->leave_link ($map, $x, $y);	2616	$self->leave_link ($map, $x, $y);
		2617	}
		2618
		2619	$done->() if $done;
1842	})->prio (1);	2620	})->prio (1);
1843	}	2621	}
1844		2622
1845	=item $player_object->enter_exit ($exit_object)	2623	=item $player_object->enter_exit ($exit_object)
1846		2624
…		…
1866	}	2644	}
1867		2645
1868	sub prepare_random_map {	2646	sub prepare_random_map {
1869	my ($exit) = @_;	2647	my ($exit) = @_;
1870		2648
1871	my $guard = cf::lock_acquire "exit_prepare:$exit";
1872
1873	# all this does is basically replace the /! path by	2649	# all this does is basically replace the /! path by
1874	# a new random map path (?random/...) with a seed	2650	# a new random map path (?random/...) with a seed
1875	# that depends on the exit object	2651	# that depends on the exit object
1876		2652
1877	my $rmp = parse_random_map_params $exit->msg;	2653	my $rmp = parse_random_map_params $exit->msg;
…		…
1879	if ($exit->map) {	2655	if ($exit->map) {
1880	$rmp->{region} = $exit->region->name;	2656	$rmp->{region} = $exit->region->name;
1881	$rmp->{origin_map} = $exit->map->path;	2657	$rmp->{origin_map} = $exit->map->path;
1882	$rmp->{origin_x} = $exit->x;	2658	$rmp->{origin_x} = $exit->x;
1883	$rmp->{origin_y} = $exit->y;	2659	$rmp->{origin_y} = $exit->y;
		2660
		2661	$exit->map->touch;
1884	}	2662	}
1885		2663
1886	$rmp->{random_seed} ||= $exit->random_seed;	2664	$rmp->{random_seed} ||= $exit->random_seed;
1887		2665
1888	my $data = cf::to_json $rmp;	2666	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1889	my $md5 = Digest::MD5::md5_hex $data;	2667	my $md5 = Digest::MD5::md5_hex $data;
1890	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2668	my $meta = "$RANDOMDIR/$md5.meta";
1891		2669
1892	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2670	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1893	aio_write $fh, 0, (length $data), $data, 0;	2671	aio_write $fh, 0, (length $data), $data, 0;
1894	undef $fh;	2672	undef $fh;
1895	aio_rename "$meta~", $meta;	2673	aio_rename "$meta~", $meta;
1896		2674
		2675	my $slaying = "?random/$md5";
		2676
		2677	if ($exit->valid) {
1897	$exit->slaying ("?random/$md5");	2678	$exit->slaying ("?random/$md5");
1898	$exit->msg (undef);	2679	$exit->msg (undef);
		2680	}
1899	}	2681	}
1900	}	2682	}
1901		2683
1902	sub cf::object::player::enter_exit {	2684	sub cf::object::player::enter_exit {
1903	my ($self, $exit) = @_;	2685	my ($self, $exit) = @_;
1904		2686
1905	return unless $self->type == cf::PLAYER;	2687	return unless $self->type == cf::PLAYER;
1906		2688
1907	if ($exit->slaying eq "/!") {
1908	#TODO: this should de-fi-ni-te-ly not be a sync-job
1909	cf::sync_job { prepare_random_map $exit };
1910	}
1911
1912	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1913	my $hp = $exit->stats->hp;
1914	my $sp = $exit->stats->sp;
1915
1916	$self->enter_link;	2689	$self->enter_link;
1917		2690
1918	(async {	2691	(async {
1919	$self->deactivate_recursive; # just to be sure	2692	$Coro::current->{desc} = "enter_exit";
		2693
1920	unless (eval {	2694	unless (eval {
		2695	$self->deactivate_recursive; # just to be sure
		2696
		2697	# random map handling
		2698	{
		2699	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2700
		2701	prepare_random_map $exit
		2702	if $exit->slaying eq "/!";
		2703	}
		2704
		2705	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2706	my $x = $exit->stats->hp;
		2707	my $y = $exit->stats->sp;
		2708
1921	$self->goto ($slaying, $hp, $sp);	2709	$self->goto ($map, $x, $y);
1922		2710
		2711	# if exit is damned, update players death & WoR home-position
		2712	$self->contr->savebed ($map, $x, $y)
		2713	if $exit->flag (cf::FLAG_DAMNED);
		2714
1923	1;	2715	1
1924	}) {	2716	}) {
1925	$self->message ("Something went wrong deep within the crossfire server. "	2717	$self->message ("Something went wrong deep within the deliantra server. "
1926	. "I'll try to bring you back to the map you were before. "	2718	. "I'll try to bring you back to the map you were before. "
1927	. "Please report this to the dungeon master!",	2719	. "Please report this to the dungeon master!",
1928	cf::NDI_UNIQUE | cf::NDI_RED);	2720	cf::NDI_UNIQUE | cf::NDI_RED);
1929		2721
1930	warn "ERROR in enter_exit: $@";	2722	warn "ERROR in enter_exit: $@";
1931	$self->leave_link;	2723	$self->leave_link;
1932	}	2724	}
1933	})->prio (1);	2725	})->prio (1);
…		…
1946		2738
1947	sub cf::client::send_drawinfo {	2739	sub cf::client::send_drawinfo {
1948	my ($self, $text, $flags) = @_;	2740	my ($self, $text, $flags) = @_;
1949		2741
1950	utf8::encode $text;	2742	utf8::encode $text;
1951	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2743	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1952	}	2744	}
1953		2745
		2746	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2747
		2748	Send a drawinfo or msg packet to the client, formatting the msg for the
		2749	client if neccessary. C<$type> should be a string identifying the type of
		2750	the message, with C<log> being the default. If C<$color> is negative, suppress
		2751	the message unless the client supports the msg packet.
		2752
		2753	=cut
		2754
		2755	# non-persistent channels (usually the info channel)
		2756	our %CHANNEL = (
		2757	"c/identify" => {
		2758	id => "infobox",
		2759	title => "Identify",
		2760	reply => undef,
		2761	tooltip => "Items recently identified",
		2762	},
		2763	"c/examine" => {
		2764	id => "infobox",
		2765	title => "Examine",
		2766	reply => undef,
		2767	tooltip => "Signs and other items you examined",
		2768	},
		2769	"c/book" => {
		2770	id => "infobox",
		2771	title => "Book",
		2772	reply => undef,
		2773	tooltip => "The contents of a note or book",
		2774	},
		2775	"c/lookat" => {
		2776	id => "infobox",
		2777	title => "Look",
		2778	reply => undef,
		2779	tooltip => "What you saw there",
		2780	},
		2781	"c/who" => {
		2782	id => "infobox",
		2783	title => "Players",
		2784	reply => undef,
		2785	tooltip => "Shows players who are currently online",
		2786	},
		2787	"c/body" => {
		2788	id => "infobox",
		2789	title => "Body Parts",
		2790	reply => undef,
		2791	tooltip => "Shows which body parts you posess and are available",
		2792	},
		2793	"c/skills" => {
		2794	id => "infobox",
		2795	title => "Skills",
		2796	reply => undef,
		2797	tooltip => "Shows your experience per skill and item power",
		2798	},
		2799	"c/uptime" => {
		2800	id => "infobox",
		2801	title => "Uptime",
		2802	reply => undef,
		2803	tooltip => "How long the server has been running since last restart",
		2804	},
		2805	"c/mapinfo" => {
		2806	id => "infobox",
		2807	title => "Map Info",
		2808	reply => undef,
		2809	tooltip => "Information related to the maps",
		2810	},
		2811	"c/party" => {
		2812	id => "party",
		2813	title => "Party",
		2814	reply => "gsay ",
		2815	tooltip => "Messages and chat related to your party",
		2816	},
		2817	);
		2818
		2819	sub cf::client::send_msg {
		2820	my ($self, $channel, $msg, $color, @extra) = @_;
		2821
		2822	$msg = $self->pl->expand_cfpod ($msg)
		2823	unless $color & cf::NDI_VERBATIM;
		2824
		2825	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2826
		2827	# check predefined channels, for the benefit of C
		2828	if ($CHANNEL{$channel}) {
		2829	$channel = $CHANNEL{$channel};
		2830
		2831	$self->ext_msg (channel_info => $channel)
		2832	if $self->can_msg;
		2833
		2834	$channel = $channel->{id};
		2835
		2836	} elsif (ref $channel) {
		2837	# send meta info to client, if not yet sent
		2838	unless (exists $self->{channel}{$channel->{id}}) {
		2839	$self->{channel}{$channel->{id}} = $channel;
		2840	$self->ext_msg (channel_info => $channel)
		2841	if $self->can_msg;
		2842	}
		2843
		2844	$channel = $channel->{id};
		2845	}
		2846
		2847	return unless @extra || length $msg;
		2848
		2849	if ($self->can_msg) {
		2850	# default colour, mask it out
		2851	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2852	if $color & cf::NDI_DEF;
		2853
		2854	my $pkt = "msg "
		2855	. $self->{json_coder}->encode (
		2856	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2857	);
		2858
		2859	# try lzf for large packets
		2860	$pkt = "lzf " . Compress::LZF::compress $pkt
		2861	if 1024 <= length $pkt and $self->{can_lzf};
		2862
		2863	# split very large packets
		2864	if (8192 < length $pkt and $self->{can_lzf}) {
		2865	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2866	$pkt = "frag";
		2867	}
		2868
		2869	$self->send_packet ($pkt);
		2870	} else {
		2871	if ($color >= 0) {
		2872	# replace some tags by gcfclient-compatible ones
		2873	for ($msg) {
		2874	1 while
		2875	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2876	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2877	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2878	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2879	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2880	}
		2881
		2882	$color &= cf::NDI_COLOR_MASK;
		2883
		2884	utf8::encode $msg;
		2885
		2886	if (0 && $msg =~ /\[/) {
		2887	# COMMAND/INFO
		2888	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2889	} else {
		2890	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2891	$self->send_packet ("drawinfo $color $msg")
		2892	}
		2893	}
		2894	}
		2895	}
		2896
		2897	=item $client->ext_msg ($type, @msg)
		2898
		2899	Sends an ext event to the client.
		2900
		2901	=cut
		2902
		2903	sub cf::client::ext_msg($$@) {
		2904	my ($self, $type, @msg) = @_;
		2905
		2906	if ($self->extcmd == 2) {
		2907	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2908	} elsif ($self->extcmd == 1) { # TODO: remove
		2909	push @msg, msgtype => "event_$type";
		2910	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2911	}
		2912	}
		2913
		2914	=item $client->ext_reply ($msgid, @msg)
		2915
		2916	Sends an ext reply to the client.
		2917
		2918	=cut
		2919
		2920	sub cf::client::ext_reply($$@) {
		2921	my ($self, $id, @msg) = @_;
		2922
		2923	if ($self->extcmd == 2) {
		2924	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2925	} elsif ($self->extcmd == 1) {
		2926	#TODO: version 1, remove
		2927	unshift @msg, msgtype => "reply", msgid => $id;
		2928	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2929	}
		2930	}
1954		2931
1955	=item $success = $client->query ($flags, "text", \&cb)	2932	=item $success = $client->query ($flags, "text", \&cb)
1956		2933
1957	Queues a query to the client, calling the given callback with	2934	Queues a query to the client, calling the given callback with
1958	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2935	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1959	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2936	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1960		2937
1961	Queries can fail, so check the return code. Or don't, as queries will become	2938	Queries can fail, so check the return code. Or don't, as queries will
1962	reliable at some point in the future.	2939	become reliable at some point in the future.
1963		2940
1964	=cut	2941	=cut
1965		2942
1966	sub cf::client::query {	2943	sub cf::client::query {
1967	my ($self, $flags, $text, $cb) = @_;	2944	my ($self, $flags, $text, $cb) = @_;
…		…
1975	utf8::encode $text;	2952	utf8::encode $text;
1976	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2953	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1977		2954
1978	$self->send_packet ($self->{query_queue}[0][0])	2955	$self->send_packet ($self->{query_queue}[0][0])
1979	if @{ $self->{query_queue} } == 1;	2956	if @{ $self->{query_queue} } == 1;
		2957
		2958	1
1980	}	2959	}
1981		2960
1982	cf::client->attach (	2961	cf::client->attach (
		2962	on_connect => sub {
		2963	my ($ns) = @_;
		2964
		2965	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2966	},
1983	on_reply => sub {	2967	on_reply => sub {
1984	my ($ns, $msg) = @_;	2968	my ($ns, $msg) = @_;
1985		2969
1986	# this weird shuffling is so that direct followup queries	2970	# this weird shuffling is so that direct followup queries
1987	# get handled first	2971	# get handled first
1988	my $queue = delete $ns->{query_queue}	2972	my $queue = delete $ns->{query_queue}
1989	or return; # be conservative, not sure how that can happen, but we saw a crash here	2973	or return; # be conservative, not sure how that can happen, but we saw a crash here
1990		2974
1991	(shift @$queue)->[1]->($msg);	2975	(shift @$queue)->[1]->($msg);
		2976	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1992		2977
1993	push @{ $ns->{query_queue} }, @$queue;	2978	push @{ $ns->{query_queue} }, @$queue;
1994		2979
1995	if (@{ $ns->{query_queue} } == @$queue) {	2980	if (@{ $ns->{query_queue} } == @$queue) {
1996	if (@$queue) {	2981	if (@$queue) {
…		…
1998	} else {	2983	} else {
1999	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2984	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2000	}	2985	}
2001	}	2986	}
2002	},	2987	},
		2988	on_exticmd => sub {
		2989	my ($ns, $buf) = @_;
		2990
		2991	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2992
		2993	if (ref $msg) {
		2994	my ($type, $reply, @payload) =
		2995	"ARRAY" eq ref $msg
		2996	? @$msg
		2997	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2998
		2999	my @reply;
		3000
		3001	if (my $cb = $EXTICMD{$type}) {
		3002	@reply = $cb->($ns, @payload);
		3003	}
		3004
		3005	$ns->ext_reply ($reply, @reply)
		3006	if $reply;
		3007
		3008	} else {
		3009	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3010	}
		3011
		3012	cf::override;
		3013	},
2003	);	3014	);
2004		3015
2005	=item $client->async (\&cb)	3016	=item $client->async (\&cb)
2006		3017
2007	Create a new coroutine, running the specified callback. The coroutine will	3018	Create a new coroutine, running the specified callback. The coroutine will
…		…
2048	our $safe = new Safe "safe";	3059	our $safe = new Safe "safe";
2049	our $safe_hole = new Safe::Hole;	3060	our $safe_hole = new Safe::Hole;
2050		3061
2051	$SIG{FPE} = 'IGNORE';	3062	$SIG{FPE} = 'IGNORE';
2052		3063
2053	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3064	$safe->permit_only (Opcode::opset qw(
		3065	:base_core :base_mem :base_orig :base_math
		3066	grepstart grepwhile mapstart mapwhile
		3067	sort time
		3068	));
2054		3069
2055	# here we export the classes and methods available to script code	3070	# here we export the classes and methods available to script code
2056		3071
2057	=pod	3072	=pod
2058		3073
2059	The following fucntions and emthods are available within a safe environment:	3074	The following functions and methods are available within a safe environment:
2060		3075
2061	cf::object contr pay_amount pay_player map	3076	cf::object
		3077	contr pay_amount pay_player map x y force_find force_add destroy
		3078	insert remove name archname title slaying race decrease split
		3079
2062	cf::object::player player	3080	cf::object::player
2063	cf::player peaceful	3081	player
2064	cf::map trigger	3082
		3083	cf::player
		3084	peaceful
		3085
		3086	cf::map
		3087	trigger
2065		3088
2066	=cut	3089	=cut
2067		3090
2068	for (	3091	for (
2069	["cf::object" => qw(contr pay_amount pay_player map)],	3092	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3093	insert remove inv nrof name archname title slaying race
		3094	decrease split destroy change_exp)],
2070	["cf::object::player" => qw(player)],	3095	["cf::object::player" => qw(player)],
2071	["cf::player" => qw(peaceful)],	3096	["cf::player" => qw(peaceful)],
2072	["cf::map" => qw(trigger)],	3097	["cf::map" => qw(trigger)],
2073	) {	3098	) {
2074	no strict 'refs';	3099	no strict 'refs';
…		…
2145	=back	3170	=back
2146		3171
2147	=cut	3172	=cut
2148		3173
2149	#############################################################################	3174	#############################################################################
		3175	# the server's init and main functions
2150		3176
2151	=head2 EXTENSION DATABASE SUPPORT	3177	sub load_facedata($) {
		3178	my ($path) = @_;
2152		3179
2153	Crossfire maintains a very simple database for extension use. It can	3180	# HACK to clear player env face cache, we need some signal framework
2154	currently store anything that can be serialised using Storable, which	3181	# for this (global event?)
2155	excludes objects.	3182	%ext::player_env::MUSIC_FACE_CACHE = ();
2156		3183
2157	The parameter C<$family> should best start with the name of the extension	3184	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2158	using it, it should be unique.
2159		3185
2160	=over 4	3186	warn "loading facedata from $path\n";
2161		3187
2162	=item $hashref = cf::db_get $family	3188	my $facedata;
		3189	0 < aio_load $path, $facedata
		3190	or die "$path: $!";
2163		3191
2164	Return a hashref for use by the extension C<$family>, which can be	3192	$facedata = Coro::Storable::thaw $facedata;
2165	modified. After modifications, you have to call C<cf::db_dirty> or
2166	C<cf::db_sync>.
2167		3193
2168	=item $value = cf::db_get $family => $key	3194	$facedata->{version} == 2
		3195	or cf::cleanup "$path: version mismatch, cannot proceed.";
2169		3196
2170	Returns a single value from the database	3197	# patch in the exptable
2171		3198	$facedata->{resource}{"res/exp_table"} = {
2172	=item cf::db_put $family => $hashref	3199	type => FT_RSRC,
2173		3200	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2174	Stores the given family hashref into the database. Updates are delayed, if
2175	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2176
2177	=item cf::db_put $family => $key => $value
2178
2179	Stores the given C<$value> in the family hash. Updates are delayed, if you
2180	want the data to be synced to disk immediately, use C<cf::db_sync>.
2181
2182	=item cf::db_dirty
2183
2184	Marks the database as dirty, to be updated at a later time.
2185
2186	=item cf::db_sync
2187
2188	Immediately write the database to disk I<if it is dirty>.
2189
2190	=cut
2191
2192	our $DB;
2193
2194	{
2195	my $path = cf::localdir . "/database.pst";
2196
2197	sub db_load() {
2198	$DB = stat $path ? Storable::retrieve $path : { };
2199	}	3201	};
		3202	cf::cede_to_tick;
2200		3203
2201	my $pid;
2202
2203	sub db_save() {
2204	waitpid $pid, 0 if $pid;
2205	if (0 == ($pid = fork)) {
2206	$DB->{_meta}{version} = 1;
2207	Storable::nstore $DB, "$path~";
2208	rename "$path~", $path;
2209	cf::_exit 0 if defined $pid;
2210	}
2211	}	3204	{
		3205	my $faces = $facedata->{faceinfo};
2212		3206
2213	my $dirty;	3207	while (my ($face, $info) = each %$faces) {
		3208	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2214		3209
2215	sub db_sync() {	3210	cf::face::set_visibility $idx, $info->{visibility};
2216	db_save if $dirty;	3211	cf::face::set_magicmap $idx, $info->{magicmap};
2217	undef $dirty;	3212	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2218	}	3213	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2219		3214
2220	my $idle = Event->idle (	3215	cf::cede_to_tick;
2221	reentrant => 0,
2222	min => 10,
2223	max => 20,
2224	repeat => 0,
2225	data => WF_AUTOCANCEL,
2226	cb => \&db_sync,
2227	);
2228
2229	sub db_dirty() {
2230	$dirty = 1;
2231	$idle->start;
2232	}
2233
2234	sub db_get($;$) {
2235	@_ >= 2
2236	? $DB->{$_[0]}{$_[1]}
2237	: ($DB->{$_[0]} ||= { })
2238	}
2239
2240	sub db_put($$;$) {
2241	if (@_ >= 3) {
2242	$DB->{$_[0]}{$_[1]} = $_[2];
2243	} else {
2244	$DB->{$_[0]} = $_[1];
2245	}
2246	db_dirty;
2247	}
2248
2249	cf::global->attach (
2250	prio => 10000,
2251	on_cleanup => sub {
2252	db_sync;
2253	},	3216	}
2254	);
2255	}
2256		3217
2257	#############################################################################	3218	while (my ($face, $info) = each %$faces) {
2258	# the server's main()	3219	next unless $info->{smooth};
2259		3220
2260	sub cfg_load {	3221	my $idx = cf::face::find $face
		3222	or next;
		3223
		3224	if (my $smooth = cf::face::find $info->{smooth}) {
		3225	cf::face::set_smooth $idx, $smooth;
		3226	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3227	} else {
		3228	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3229	}
		3230
		3231	cf::cede_to_tick;
		3232	}
		3233	}
		3234
		3235	{
		3236	my $anims = $facedata->{animinfo};
		3237
		3238	while (my ($anim, $info) = each %$anims) {
		3239	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3240	cf::cede_to_tick;
		3241	}
		3242
		3243	cf::anim::invalidate_all; # d'oh
		3244	}
		3245
		3246	{
		3247	# TODO: for gcfclient pleasure, we should give resources
		3248	# that gcfclient doesn't grok a >10000 face index.
		3249	my $res = $facedata->{resource};
		3250
		3251	while (my ($name, $info) = each %$res) {
		3252	if (defined $info->{type}) {
		3253	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3254	my $data;
		3255
		3256	if ($info->{type} & 1) {
		3257	# prepend meta info
		3258
		3259	my $meta = $enc->encode ({
		3260	name => $name,
		3261	%{ $info->{meta} || {} },
		3262	});
		3263
		3264	$data = pack "(w/a*)*", $meta, $info->{data};
		3265	} else {
		3266	$data = $info->{data};
		3267	}
		3268
		3269	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3270	cf::face::set_type $idx, $info->{type};
		3271	} else {
		3272	$RESOURCE{$name} = $info;
		3273	}
		3274
		3275	cf::cede_to_tick;
		3276	}
		3277	}
		3278
		3279	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3280
		3281	1
		3282	}
		3283
		3284	cf::global->attach (on_resource_update => sub {
		3285	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3286	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3287
		3288	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3289	my $sound = $soundconf->{compat}[$_]
		3290	or next;
		3291
		3292	my $face = cf::face::find "sound/$sound->[1]";
		3293	cf::sound::set $sound->[0] => $face;
		3294	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3295	}
		3296
		3297	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3298	my $face = cf::face::find "sound/$v";
		3299	cf::sound::set $k => $face;
		3300	}
		3301	}
		3302	});
		3303
		3304	register_exticmd fx_want => sub {
		3305	my ($ns, $want) = @_;
		3306
		3307	while (my ($k, $v) = each %$want) {
		3308	$ns->fx_want ($k, $v);
		3309	}
		3310	};
		3311
		3312	sub load_resource_file($) {
		3313	my $guard = lock_acquire "load_resource_file";
		3314
		3315	my $status = load_resource_file_ $_[0];
		3316	get_slot 0.1, 100;
		3317	cf::arch::commit_load;
		3318
		3319	$status
		3320	}
		3321
		3322	sub reload_regions {
		3323	# HACK to clear player env face cache, we need some signal framework
		3324	# for this (global event?)
		3325	%ext::player_env::MUSIC_FACE_CACHE = ();
		3326
		3327	load_resource_file "$MAPDIR/regions"
		3328	or die "unable to load regions file\n";
		3329
		3330	for (cf::region::list) {
		3331	$_->{match} = qr/$_->{match}/
		3332	if exists $_->{match};
		3333	}
		3334	}
		3335
		3336	sub reload_facedata {
		3337	load_facedata "$DATADIR/facedata"
		3338	or die "unable to load facedata\n";
		3339	}
		3340
		3341	sub reload_archetypes {
		3342	load_resource_file "$DATADIR/archetypes"
		3343	or die "unable to load archetypes\n";
		3344	}
		3345
		3346	sub reload_treasures {
		3347	load_resource_file "$DATADIR/treasures"
		3348	or die "unable to load treasurelists\n";
		3349	}
		3350
		3351	sub reload_resources {
		3352	warn "reloading resource files...\n";
		3353
		3354	reload_facedata;
		3355	reload_archetypes;
		3356	reload_regions;
		3357	reload_treasures;
		3358
		3359	warn "finished reloading resource files\n";
		3360	}
		3361
		3362	sub reload_config {
2261	open my $fh, "<:utf8", cf::confdir . "/config"	3363	open my $fh, "<:utf8", "$CONFDIR/config"
2262	or return;	3364	or return;
2263		3365
2264	local $/;	3366	local $/;
2265	*CFG = YAML::Syck::Load <$fh>;	3367	*CFG = YAML::Load <$fh>;
2266		3368
2267	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3369	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2268		3370
2269	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3371	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2270	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3372	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2276	};	3378	};
2277	warn $@ if $@;	3379	warn $@ if $@;
2278	}	3380	}
2279	}	3381	}
2280		3382
		3383	sub pidfile() {
		3384	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3385	or die "$PIDFILE: $!";
		3386	flock $fh, &Fcntl::LOCK_EX
		3387	or die "$PIDFILE: flock: $!";
		3388	$fh
		3389	}
		3390
		3391	# make sure only one server instance is running at any one time
		3392	sub atomic {
		3393	my $fh = pidfile;
		3394
		3395	my $pid = <$fh>;
		3396	kill 9, $pid if $pid > 0;
		3397
		3398	seek $fh, 0, 0;
		3399	print $fh $$;
		3400	}
		3401
2281	sub main {	3402	sub main {
		3403	cf::init_globals; # initialise logging
		3404
		3405	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3406	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3407	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3408	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3409
		3410	cf::init_experience;
		3411	cf::init_anim;
		3412	cf::init_attackmess;
		3413	cf::init_dynamic;
		3414	cf::init_block;
		3415
		3416	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3417
2282	# we must not ever block the main coroutine	3418	# we must not ever block the main coroutine
2283	local $Coro::idle = sub {	3419	local $Coro::idle = sub {
2284	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3420	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2285	(async {	3421	(async {
2286	Event::one_event;	3422	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3423	EV::loop EV::LOOP_ONESHOT;
2287	})->prio (Coro::PRIO_MAX);	3424	})->prio (Coro::PRIO_MAX);
2288	};	3425	};
2289		3426
2290	cfg_load;	3427	evthread_start IO::AIO::poll_fileno;
2291	db_load;	3428
		3429	cf::sync_job {
		3430	reload_resources;
		3431	reload_config;
		3432	db_init;
		3433
		3434	cf::load_settings;
		3435	cf::load_materials;
		3436	cf::init_uuid;
		3437	cf::init_signals;
		3438	cf::init_commands;
		3439	cf::init_skills;
		3440
		3441	cf::init_beforeplay;
		3442
		3443	atomic;
		3444
2292	load_extensions;	3445	load_extensions;
2293		3446
2294	$TICK_WATCHER->start;	3447	utime time, time, $RUNTIMEFILE;
		3448
		3449	# no (long-running) fork's whatsoever before this point(!)
		3450	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3451
		3452	(pop @POST_INIT)->(0) while @POST_INIT;
		3453	};
		3454
2295	Event::loop;	3455	EV::loop;
2296	}	3456	}
2297		3457
2298	#############################################################################	3458	#############################################################################
2299	# initialisation and cleanup	3459	# initialisation and cleanup
2300		3460
2301	# install some emergency cleanup handlers	3461	# install some emergency cleanup handlers
2302	BEGIN {	3462	BEGIN {
		3463	our %SIGWATCHER = ();
2303	for my $signal (qw(INT HUP TERM)) {	3464	for my $signal (qw(INT HUP TERM)) {
2304	Event->signal (	3465	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2305	reentrant => 0,
2306	data => WF_AUTOCANCEL,
2307	signal => $signal,
2308	prio => 0,
2309	cb => sub {
2310	cf::cleanup "SIG$signal";	3466	cf::cleanup "SIG$signal";
2311	},
2312	);	3467	};
		3468	}
		3469	}
		3470
		3471	sub write_runtime_sync {
		3472	# first touch the runtime file to show we are still running:
		3473	# the fsync below can take a very very long time.
		3474
		3475	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3476
		3477	my $guard = cf::lock_acquire "write_runtime";
		3478
		3479	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3480	or return;
		3481
		3482	my $value = $cf::RUNTIME + 90 + 10;
		3483	# 10 is the runtime save interval, for a monotonic clock
		3484	# 60 allows for the watchdog to kill the server.
		3485
		3486	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3487	and return;
		3488
		3489	# always fsync - this file is important
		3490	aio_fsync $fh
		3491	and return;
		3492
		3493	# touch it again to show we are up-to-date
		3494	aio_utime $fh, undef, undef;
		3495
		3496	close $fh
		3497	or return;
		3498
		3499	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3500	and return;
		3501
		3502	warn "runtime file written.\n";
		3503
2313	}	3504	1
		3505	}
		3506
		3507	our $uuid_lock;
		3508	our $uuid_skip;
		3509
		3510	sub write_uuid_sync($) {
		3511	$uuid_skip ||= $_[0];
		3512
		3513	return if $uuid_lock;
		3514	local $uuid_lock = 1;
		3515
		3516	my $uuid = "$LOCALDIR/uuid";
		3517
		3518	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3519	or return;
		3520
		3521	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3522	$uuid_skip = 0;
		3523
		3524	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3525	and return;
		3526
		3527	# always fsync - this file is important
		3528	aio_fsync $fh
		3529	and return;
		3530
		3531	close $fh
		3532	or return;
		3533
		3534	aio_rename "$uuid~", $uuid
		3535	and return;
		3536
		3537	warn "uuid file written ($value).\n";
		3538
		3539	1
		3540
		3541	}
		3542
		3543	sub write_uuid($$) {
		3544	my ($skip, $sync) = @_;
		3545
		3546	$sync ? write_uuid_sync $skip
		3547	: async { write_uuid_sync $skip };
2314	}	3548	}
2315		3549
2316	sub emergency_save() {	3550	sub emergency_save() {
2317	my $freeze_guard = cf::freeze_mainloop;	3551	my $freeze_guard = cf::freeze_mainloop;
2318		3552
…		…
2324	# and maps saved/destroyed asynchronously.	3558	# and maps saved/destroyed asynchronously.
2325	warn "begin emergency player save\n";	3559	warn "begin emergency player save\n";
2326	for my $login (keys %cf::PLAYER) {	3560	for my $login (keys %cf::PLAYER) {
2327	my $pl = $cf::PLAYER{$login} or next;	3561	my $pl = $cf::PLAYER{$login} or next;
2328	$pl->valid or next;	3562	$pl->valid or next;
		3563	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2329	$pl->save;	3564	$pl->save;
2330	}	3565	}
2331	warn "end emergency player save\n";	3566	warn "end emergency player save\n";
2332		3567
2333	warn "begin emergency map save\n";	3568	warn "begin emergency map save\n";
…		…
2335	my $map = $cf::MAP{$path} or next;	3570	my $map = $cf::MAP{$path} or next;
2336	$map->valid or next;	3571	$map->valid or next;
2337	$map->save;	3572	$map->save;
2338	}	3573	}
2339	warn "end emergency map save\n";	3574	warn "end emergency map save\n";
		3575
		3576	warn "begin emergency database checkpoint\n";
		3577	BDB::db_env_txn_checkpoint $DB_ENV;
		3578	warn "end emergency database checkpoint\n";
		3579
		3580	warn "begin write uuid\n";
		3581	write_uuid_sync 1;
		3582	warn "end write uuid\n";
2340	};	3583	};
2341		3584
2342	warn "leave emergency perl save\n";	3585	warn "leave emergency perl save\n";
2343	}	3586	}
2344		3587
		3588	sub post_cleanup {
		3589	my ($make_core) = @_;
		3590
		3591	warn Carp::longmess "post_cleanup backtrace"
		3592	if $make_core;
		3593
		3594	my $fh = pidfile;
		3595	unlink $PIDFILE if <$fh> == $$;
		3596	}
		3597
		3598	# a safer delete_package, copied from Symbol
		3599	sub clear_package($) {
		3600	my $pkg = shift;
		3601
		3602	# expand to full symbol table name if needed
		3603	unless ($pkg =~ /^main::.*::$/) {
		3604	$pkg = "main$pkg" if $pkg =~ /^::/;
		3605	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3606	$pkg .= '::' unless $pkg =~ /::$/;
		3607	}
		3608
		3609	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3610	my $stem_symtab = *{$stem}{HASH};
		3611
		3612	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3613	or return;
		3614
		3615	# clear all symbols
		3616	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3617	for my $name (keys %$leaf_symtab) {
		3618	_gv_clear *{"$pkg$name"};
		3619	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3620	}
		3621	warn "cleared package $pkg\n";#d#
		3622	}
		3623
2345	sub reload() {	3624	sub do_reload_perl() {
2346	# can/must only be called in main	3625	# can/must only be called in main
2347	if ($Coro::current != $Coro::main) {	3626	if ($Coro::current != $Coro::main) {
2348	warn "can only reload from main coroutine";	3627	warn "can only reload from main coroutine";
2349	return;	3628	return;
2350	}	3629	}
2351		3630
		3631	return if $RELOAD++;
		3632
		3633	while ($RELOAD) {
2352	warn "reloading...";	3634	warn "reloading...";
2353		3635
2354	warn "cancelling server ticker";	3636	warn "entering sync_job";
2355	$TICK_WATCHER->cancel;
2356		3637
		3638	cf::sync_job {
		3639	cf::write_runtime_sync; # external watchdog should not bark
2357	cf::emergency_save;	3640	cf::emergency_save;
		3641	cf::write_runtime_sync; # external watchdog should not bark
2358		3642
2359	eval {	3643	warn "syncing database to disk";
		3644	BDB::db_env_txn_checkpoint $DB_ENV;
		3645
2360	# if anything goes wrong in here, we should simply crash as we already saved	3646	# if anything goes wrong in here, we should simply crash as we already saved
2361		3647
2362	warn "syncing database to disk";
2363	cf::db_sync;
2364
2365	warn "cancelling all WF_AUTOCANCEL watchers";
2366	for (Event::all_watchers) {
2367	$_->cancel if $_->data & WF_AUTOCANCEL;
2368	}
2369
2370	warn "flushing outstanding aio requests";	3648	warn "flushing outstanding aio requests";
2371	for (;;) {	3649	while (IO::AIO::nreqs || BDB::nreqs) {
2372	IO::AIO::flush;	3650	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2373	Coro::cede;
2374	last unless IO::AIO::nreqs;
2375	warn "iterate...";
2376	}
2377
2378	warn "cancelling all extension coros";
2379	$_->cancel for values %EXT_CORO;
2380	%EXT_CORO = ();
2381
2382	warn "removing commands";
2383	%COMMAND = ();
2384
2385	warn "removing ext commands";
2386	%EXTCMD = ();
2387
2388	warn "unloading/nuking all extensions";
2389	for my $pkg (@EXTS) {
2390	warn "... unloading $pkg";
2391
2392	if (my $cb = $pkg->can ("unload")) {
2393	eval {
2394	$cb->($pkg);
2395	1
2396	} or warn "$pkg unloaded, but with errors: $@";
2397	}	3651	}
2398		3652
2399	warn "... nuking $pkg";	3653	warn "cancelling all extension coros";
2400	Symbol::delete_package $pkg;	3654	$_->cancel for values %EXT_CORO;
2401	}	3655	%EXT_CORO = ();
2402		3656
2403	warn "unloading all perl modules loaded from $LIBDIR";	3657	warn "removing commands";
2404	while (my ($k, $v) = each %INC) {	3658	%COMMAND = ();
2405	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2406		3659
		3660	warn "removing ext/exti commands";
		3661	%EXTCMD = ();
		3662	%EXTICMD = ();
		3663
		3664	warn "unloading/nuking all extensions";
		3665	for my $pkg (@EXTS) {
2407	warn "... unloading $k";	3666	warn "... unloading $pkg";
2408	delete $INC{$k};
2409		3667
2410	$k =~ s/\.pm$//;
2411	$k =~ s/\//::/g;
2412
2413	if (my $cb = $k->can ("unload_module")) {	3668	if (my $cb = $pkg->can ("unload")) {
		3669	eval {
2414	$cb->();	3670	$cb->($pkg);
		3671	1
		3672	} or warn "$pkg unloaded, but with errors: $@";
		3673	}
		3674
		3675	warn "... clearing $pkg";
		3676	clear_package $pkg;
2415	}	3677	}
2416		3678
2417	Symbol::delete_package $k;	3679	warn "unloading all perl modules loaded from $LIBDIR";
		3680	while (my ($k, $v) = each %INC) {
		3681	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3682
		3683	warn "... unloading $k";
		3684	delete $INC{$k};
		3685
		3686	$k =~ s/\.pm$//;
		3687	$k =~ s/\//::/g;
		3688
		3689	if (my $cb = $k->can ("unload_module")) {
		3690	$cb->();
		3691	}
		3692
		3693	clear_package $k;
2418	}	3694	}
2419		3695
2420	warn "getting rid of safe::, as good as possible";	3696	warn "getting rid of safe::, as good as possible";
2421	Symbol::delete_package "safe::$_"	3697	clear_package "safe::$_"
2422	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3698	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2423		3699
2424	warn "unloading cf.pm \"a bit\"";	3700	warn "unloading cf.pm \"a bit\"";
2425	delete $INC{"cf.pm"};	3701	delete $INC{"cf.pm"};
		3702	delete $INC{"cf/pod.pm"};
2426		3703
2427	# don't, removes xs symbols, too,	3704	# don't, removes xs symbols, too,
2428	# and global variables created in xs	3705	# and global variables created in xs
2429	#Symbol::delete_package __PACKAGE__;	3706	#clear_package __PACKAGE__;
2430		3707
2431	warn "unload completed, starting to reload now";	3708	warn "unload completed, starting to reload now";
2432		3709
2433	warn "reloading cf.pm";	3710	warn "reloading cf.pm";
2434	require cf;	3711	require cf;
2435	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3712	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2436		3713
2437	warn "loading config and database again";	3714	warn "loading config and database again";
2438	cf::cfg_load;	3715	cf::reload_config;
2439	cf::db_load;
2440		3716
2441	warn "loading extensions";	3717	warn "loading extensions";
2442	cf::load_extensions;	3718	cf::load_extensions;
2443		3719
2444	warn "reattaching attachments to objects/players";	3720	warn "reattaching attachments to objects/players";
2445	_global_reattach;	3721	_global_reattach; # objects, sockets
2446	warn "reattaching attachments to maps";	3722	warn "reattaching attachments to maps";
2447	reattach $_ for values %MAP;	3723	reattach $_ for values %MAP;
		3724	warn "reattaching attachments to players";
		3725	reattach $_ for values %PLAYER;
2448		3726
2449	warn "restarting server ticker";	3727	warn "running post_load";
		3728	(pop @POST_INIT)->(1) while @POST_INIT;
2450		3729
2451	$TICK_WATCHER->start;	3730	warn "leaving sync_job";
		3731
		3732	1
		3733	} or do {
		3734	warn $@;
		3735	cf::cleanup "error while reloading, exiting.";
		3736	};
		3737
		3738	warn "reloaded";
		3739	--$RELOAD;
		3740	}
		3741	};
		3742
		3743	our $RELOAD_WATCHER; # used only during reload
		3744
		3745	sub reload_perl() {
		3746	# doing reload synchronously and two reloads happen back-to-back,
		3747	# coro crashes during coro_state_free->destroy here.
		3748
		3749	$RELOAD_WATCHER ||= EV::timer $TICK * 1.5, 0, sub {
		3750	do_reload_perl;
		3751	undef $RELOAD_WATCHER;
2452	};	3752	};
2453		3753	}
2454	if ($@) {
2455	warn $@;
2456	warn "error while reloading, exiting.";
2457	exit 1;
2458	}
2459
2460	warn "reloaded";
2461	};
2462
2463	our $RELOAD_WATCHER; # used only during reload
2464		3754
2465	register_command "reload" => sub {	3755	register_command "reload" => sub {
2466	my ($who, $arg) = @_;	3756	my ($who, $arg) = @_;
2467		3757
2468	if ($who->flag (FLAG_WIZ)) {	3758	if ($who->flag (FLAG_WIZ)) {
2469	$who->message ("reloading server.");	3759	$who->message ("reloading server.");
2470		3760	async {
2471	# doing reload synchronously and two reloads happen back-to-back,	3761	$Coro::current->{desc} = "perl_reload";
2472	# coro crashes during coro_state_free->destroy here.
2473
2474	$RELOAD_WATCHER ||= Event->timer (
2475	reentrant => 0,
2476	after => 0,
2477	data => WF_AUTOCANCEL,
2478	cb => sub {
2479	reload;	3762	reload_perl;
2480	undef $RELOAD_WATCHER;
2481	},
2482	);	3763	};
2483	}	3764	}
2484	};	3765	};
2485		3766
2486	unshift @INC, $LIBDIR;	3767	unshift @INC, $LIBDIR;
2487		3768
2488	my $bug_warning = 0;	3769	my $bug_warning = 0;
2489		3770
2490	$TICK_WATCHER = Event->timer (	3771	our @WAIT_FOR_TICK;
2491	reentrant => 0,	3772	our @WAIT_FOR_TICK_BEGIN;
2492	parked => 1,	3773
2493	prio => 0,	3774	sub wait_for_tick {
2494	at => $NEXT_TICK || $TICK,	3775	return if tick_inhibit || $Coro::current == $Coro::main;
2495	data => WF_AUTOCANCEL,	3776
2496	cb => sub {	3777	my $signal = new Coro::Signal;
		3778	push @WAIT_FOR_TICK, $signal;
		3779	$signal->wait;
		3780	}
		3781
		3782	sub wait_for_tick_begin {
		3783	return if tick_inhibit || $Coro::current == $Coro::main;
		3784
		3785	my $signal = new Coro::Signal;
		3786	push @WAIT_FOR_TICK_BEGIN, $signal;
		3787	$signal->wait;
		3788	}
		3789
		3790	sub tick {
2497	if ($Coro::current != $Coro::main) {	3791	if ($Coro::current != $Coro::main) {
2498	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3792	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2499	unless ++$bug_warning > 10;	3793	unless ++$bug_warning > 10;
2500	return;	3794	return;
2501	}	3795	}
2502		3796
2503	$NOW = Event::time;
2504
2505	cf::server_tick; # one server iteration	3797	cf::server_tick; # one server iteration
2506	$RUNTIME += $TICK;
2507	$NEXT_TICK += $TICK;
2508		3798
2509	$WAIT_FOR_TICK->broadcast;	3799	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2510	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3800	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2511		3801	Coro::async_pool {
2512	Event::sweep;	3802	$Coro::current->{desc} = "runtime saver";
2513	Coro::cede_notself;
2514
2515	# my $AFTER = Event::time;
2516	# warn $AFTER - $NOW;#d#
2517
2518	# if we are delayed by four ticks or more, skip them all
2519	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2520
2521	$TICK_WATCHER->at ($NEXT_TICK);
2522	$TICK_WATCHER->start;
2523	},
2524	);
2525
2526	IO::AIO::max_poll_time $TICK * 0.1;
2527
2528	undef $Coro::AIO::WATCHER;
2529	$AIO_POLL_WATCHER = Event->io (
2530	reentrant => 0,
2531	fd => IO::AIO::poll_fileno,
2532	poll => 'r',
2533	prio => 6,
2534	data => WF_AUTOCANCEL,
2535	cb => \&IO::AIO::poll_cb,
2536	);
2537
2538	$WRITE_RUNTIME_WATCHER = Event->timer (
2539	reentrant => 0,
2540	data => WF_AUTOCANCEL,
2541	after => 1,
2542	interval => 10,
2543	prio => 6, # keep it lowest so it acts like a watchdog
2544	cb => Coro::unblock_sub {
2545	write_runtime	3803	write_runtime_sync
2546	or warn "ERROR: unable to write runtime file: $!";	3804	or warn "ERROR: unable to write runtime file: $!";
		3805	};
2547	},	3806	}
2548	);	3807
		3808	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3809	$sig->send;
		3810	}
		3811	while (my $sig = shift @WAIT_FOR_TICK) {
		3812	$sig->send;
		3813	}
		3814
		3815	$LOAD = ($NOW - $TICK_START) / $TICK;
		3816	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3817
		3818	if (0) {
		3819	if ($NEXT_TICK) {
		3820	my $jitter = $TICK_START - $NEXT_TICK;
		3821	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3822	warn "jitter $JITTER\n";#d#
		3823	}
		3824	}
		3825	}
		3826
		3827	{
		3828	# configure BDB
		3829
		3830	BDB::min_parallel 8;
		3831	BDB::max_poll_reqs $TICK * 0.1;
		3832	$AnyEvent::BDB::WATCHER->priority (1);
		3833
		3834	unless ($DB_ENV) {
		3835	$DB_ENV = BDB::db_env_create;
		3836	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3837	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3838	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3839	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3840	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3841
		3842	cf::sync_job {
		3843	eval {
		3844	BDB::db_env_open
		3845	$DB_ENV,
		3846	$BDBDIR,
		3847	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3848	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3849	0666;
		3850
		3851	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3852	};
		3853
		3854	cf::cleanup "db_env_open(db): $@" if $@;
		3855	};
		3856	}
		3857
		3858	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3859	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3860	};
		3861	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3862	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3863	};
		3864	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3865	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3866	};
		3867	}
		3868
		3869	{
		3870	# configure IO::AIO
		3871
		3872	IO::AIO::min_parallel 8;
		3873	IO::AIO::max_poll_time $TICK * 0.1;
		3874	undef $AnyEvent::AIO::WATCHER;
		3875	}
		3876
		3877	my $_log_backtrace;
		3878
		3879	sub _log_backtrace {
		3880	my ($msg, @addr) = @_;
		3881
		3882	$msg =~ s/\n//;
		3883
		3884	# limit the # of concurrent backtraces
		3885	if ($_log_backtrace < 2) {
		3886	++$_log_backtrace;
		3887	my $perl_bt = Carp::longmess $msg;
		3888	async {
		3889	$Coro::current->{desc} = "abt $msg";
		3890
		3891	my @bt = fork_call {
		3892	@addr = map { sprintf "%x", $_ } @addr;
		3893	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3894	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3895	or die "addr2line: $!";
		3896
		3897	my @funcs;
		3898	my @res = <$fh>;
		3899	chomp for @res;
		3900	while (@res) {
		3901	my ($func, $line) = splice @res, 0, 2, ();
		3902	push @funcs, "[$func] $line";
		3903	}
		3904
		3905	@funcs
		3906	};
		3907
		3908	LOG llevInfo, "[ABT] $perl_bt\n";
		3909	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3910	LOG llevInfo, "[ABT] $_\n" for @bt;
		3911	--$_log_backtrace;
		3912	};
		3913	} else {
		3914	LOG llevInfo, "[ABT] $msg\n";
		3915	LOG llevInfo, "[ABT] [suppressed]\n";
		3916	}
		3917	}
		3918
		3919	# load additional modules
		3920	use cf::pod;
2549		3921
2550	END { cf::emergency_save }	3922	END { cf::emergency_save }
2551		3923
2552	1	3924	1
2553		3925

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