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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.200 by root, Mon Jan 29 17:57:22 2007 UTC vs.
Revision 1.456 by root, Tue Sep 30 04:00:35 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 "$filename.pst";
771	}	1189	}
772		1190
773	aio_rename "$filename~", $filename;	1191	aio_rename "$filename~", $filename;
		1192
		1193	$filename =~ s%/[^/]+$%%;
		1194	aio_pathsync $filename;
774	} else {	1195	} else {
775	warn "FATAL: $filename~: $!\n";	1196	warn "FATAL: $filename~: $!\n";
776	}	1197	}
777	} else {	1198	} else {
778	aio_unlink $filename;	1199	aio_unlink $filename;
779	aio_unlink "$filename.pst";	1200	aio_unlink "$filename.pst";
780	}	1201	}
781
782	#d##TODO# nuke non .map-files if exist
783	if ($filename =~ s/\.map$//) {
784	aio_unlink $filename;
785	aio_unlink "$filename.pst";
786	}
787	}	1202	};
788	}	1203	}
789		1204
790	sub object_freezer_as_string {	1205	sub object_freezer_as_string {
791	my ($rdata, $objs) = @_;	1206	my ($rdata, $objs) = @_;
792		1207
…		…
797		1212
798	sub object_thawer_load {	1213	sub object_thawer_load {
799	my ($filename) = @_;	1214	my ($filename) = @_;
800		1215
801	my ($data, $av);	1216	my ($data, $av);
802
803	#d#TODO remove .map if file does not exist
804	aio_stat $filename and $filename =~ s/\.map$//;
805		1217
806	(aio_load $filename, $data) >= 0	1218	(aio_load $filename, $data) >= 0
807	or return;	1219	or return;
808		1220
809	unless (aio_stat "$filename.pst") {	1221	unless (aio_stat "$filename.pst") {
810	(aio_load "$filename.pst", $av) >= 0	1222	(aio_load "$filename.pst", $av) >= 0
811	or return;	1223	or return;
		1224
812	$av = eval { (Storable::thaw $av)->{objs} };	1225	my $st = eval { Coro::Storable::thaw $av };
		1226	$av = $st->{objs};
813	}	1227	}
814		1228
		1229	utf8::decode (my $decname = $filename);
815	warn sprintf "loading %s (%d)\n",	1230	warn sprintf "loading %s (%d,%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	1231	$decname, length $data, scalar @{$av || []};
		1232
817	return ($data, $av);	1233	($data, $av)
818	}	1234	}
		1235
		1236	=head2 COMMAND CALLBACKS
		1237
		1238	=over 4
		1239
		1240	=cut
819		1241
820	#############################################################################	1242	#############################################################################
821	# command handling &c	1243	# command handling &c
822		1244
823	=item cf::register_command $name => \&callback($ob,$args);	1245	=item cf::register_command $name => \&callback($ob,$args);
…		…
836	push @{ $COMMAND{$name} }, [$caller, $cb];	1258	push @{ $COMMAND{$name} }, [$caller, $cb];
837	}	1259	}
838		1260
839	=item cf::register_extcmd $name => \&callback($pl,$packet);	1261	=item cf::register_extcmd $name => \&callback($pl,$packet);
840		1262
841	Register a callbackf ro execution when the client sends an extcmd packet.	1263	Register a callback for execution when the client sends an (synchronous)
		1264	extcmd packet. Ext commands will be processed in the order they are
		1265	received by the server, like other user commands. The first argument is
		1266	the logged-in player. Ext commands can only be processed after a player
		1267	has logged in successfully.
842		1268
843	If the callback returns something, it is sent back as if reply was being	1269	If the callback returns something, it is sent back as if reply was being
844	called.	1270	called.
845		1271
		1272	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1273
		1274	Register a callback for execution when the client sends an (asynchronous)
		1275	exticmd packet. Exti commands are processed by the server as soon as they
		1276	are received, i.e. out of order w.r.t. other commands. The first argument
		1277	is a client socket. Exti commands can be received anytime, even before
		1278	log-in.
		1279
		1280	If the callback returns something, it is sent back as if reply was being
		1281	called.
		1282
846	=cut	1283	=cut
847		1284
848	sub register_extcmd {	1285	sub register_extcmd {
849	my ($name, $cb) = @_;	1286	my ($name, $cb) = @_;
850		1287
851	$EXTCMD{$name} = $cb;	1288	$EXTCMD{$name} = $cb;
		1289	}
		1290
		1291	sub register_exticmd {
		1292	my ($name, $cb) = @_;
		1293
		1294	$EXTICMD{$name} = $cb;
852	}	1295	}
853		1296
854	cf::player->attach (	1297	cf::player->attach (
855	on_command => sub {	1298	on_command => sub {
856	my ($pl, $name, $params) = @_;	1299	my ($pl, $name, $params) = @_;
…		…
865	cf::override;	1308	cf::override;
866	},	1309	},
867	on_extcmd => sub {	1310	on_extcmd => sub {
868	my ($pl, $buf) = @_;	1311	my ($pl, $buf) = @_;
869		1312
870	my $msg = eval { from_json $buf };	1313	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871		1314
872	if (ref $msg) {	1315	if (ref $msg) {
		1316	my ($type, $reply, @payload) =
		1317	"ARRAY" eq ref $msg
		1318	? @$msg
		1319	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1320
		1321	my @reply;
		1322
873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1323	if (my $cb = $EXTCMD{$type}) {
874	if (my %reply = $cb->($pl, $msg)) {	1324	@reply = $cb->($pl, @payload);
875	$pl->ext_reply ($msg->{msgid}, %reply);
876	}
877	}	1325	}
		1326
		1327	$pl->ext_reply ($reply, @reply)
		1328	if $reply;
		1329
878	} else {	1330	} else {
879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1331	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
880	}	1332	}
881		1333
882	cf::override;	1334	cf::override;
883	},	1335	},
884	);	1336	);
885		1337
886	sub load_extension {
887	my ($path) = @_;
888
889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
890	my $base = $1;
891	my $pkg = $1;
892	$pkg =~ s/[^[:word:]]/_/g;
893	$pkg = "ext::$pkg";
894
895	warn "... loading '$path' into '$pkg'\n";
896
897	open my $fh, "<:utf8", $path
898	or die "$path: $!";
899
900	my $source =
901	"package $pkg; use strict; use utf8;\n"
902	. "#line 1 \"$path\"\n{\n"
903	. (do { local $/; <$fh> })
904	. "\n};\n1";
905
906	unless (eval $source) {
907	my $msg = $@ ? "$path: $@\n"
908	: "extension disabled.\n";
909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
910	warn $@;
911	warn "mandatory extension failed to load, exiting.\n";
912	exit 1;
913	}
914	die $@;
915	}
916
917	push @EXTS, $pkg;
918	}
919
920	sub load_extensions {	1338	sub load_extensions {
		1339	cf::sync_job {
		1340	my %todo;
		1341
921	for my $ext (<$LIBDIR/*.ext>) {	1342	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1343	next unless -r $path;
923	eval {	1344
924	load_extension $ext;	1345	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1346	my $base = $1;
		1347	my $pkg = $1;
		1348	$pkg =~ s/[^[:word:]]/_/g;
		1349	$pkg = "ext::$pkg";
		1350
		1351	open my $fh, "<:utf8", $path
		1352	or die "$path: $!";
		1353
		1354	my $source = do { local $/; <$fh> };
		1355
		1356	my %ext = (
		1357	path => $path,
		1358	base => $base,
		1359	pkg => $pkg,
		1360	);
		1361
		1362	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1363	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1364
		1365	$ext{source} =
		1366	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1367	. "#line 1 \"$path\"\n{\n"
		1368	. $source
		1369	. "\n};\n1";
		1370
		1371	$todo{$base} = \%ext;
		1372	}
		1373
		1374	my %done;
		1375	while (%todo) {
		1376	my $progress;
		1377
		1378	while (my ($k, $v) = each %todo) {
		1379	for (split /,\s*/, $v->{meta}{depends}) {
		1380	goto skip
		1381	unless exists $done{$_};
		1382	}
		1383
		1384	warn "... loading '$k' into '$v->{pkg}'\n";
		1385
		1386	unless (eval $v->{source}) {
		1387	my $msg = $@ ? "$v->{path}: $@\n"
		1388	: "$v->{base}: extension inactive.\n";
		1389
		1390	if (exists $v->{meta}{mandatory}) {
		1391	warn $msg;
		1392	cf::cleanup "mandatory extension failed to load, exiting.";
		1393	}
		1394
		1395	warn $msg;
		1396	}
		1397
		1398	$done{$k} = delete $todo{$k};
		1399	push @EXTS, $v->{pkg};
		1400	$progress = 1;
925	1	1401	}
926	} or warn "$ext not loaded: $@";	1402
		1403	skip:
		1404	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1405	unless $progress;
		1406	}
927	}	1407	};
928	}	1408	}
929		1409
930	#############################################################################	1410	#############################################################################
931		1411
		1412	=back
		1413
932	=head2 CORE EXTENSIONS	1414	=head2 CORE EXTENSIONS
933		1415
934	Functions and methods that extend core crossfire objects.	1416	Functions and methods that extend core deliantra objects.
935		1417
936	=cut	1418	=cut
937		1419
938	package cf::player;	1420	package cf::player;
939		1421
…		…
941		1423
942	=head3 cf::player	1424	=head3 cf::player
943		1425
944	=over 4	1426	=over 4
945		1427
		1428	=item cf::player::num_playing
		1429
		1430	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1431
		1432	=cut
		1433
		1434	sub num_playing {
		1435	scalar grep
		1436	$_->ob->map
		1437	&& !$_->hidden
		1438	&& !$_->ob->flag (cf::FLAG_WIZ),
		1439	cf::player::list
		1440	}
		1441
946	=item cf::player::find $login	1442	=item cf::player::find $login
947		1443
948	Returns the given player object, loading it if necessary (might block).	1444	Returns the given player object, loading it if necessary (might block).
949		1445
950	=cut	1446	=cut
951		1447
952	sub playerdir($) {	1448	sub playerdir($) {
953	cf::localdir	1449	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1450	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1451	}
959		1452
960	sub path($) {	1453	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1454	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1455
963	(playerdir $login) . "/$login.pl"	1456	(playerdir $login) . "/playerdata"
964	}	1457	}
965		1458
966	sub find_active($) {	1459	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1460	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1461	and $cf::PLAYER{$_[0]}->active
…		…
971		1464
972	sub exists($) {	1465	sub exists($) {
973	my ($login) = @_;	1466	my ($login) = @_;
974		1467
975	$cf::PLAYER{$login}	1468	$cf::PLAYER{$login}
976	or cf::sync_job { !aio_stat path $login }	1469	or !aio_stat path $login
977	}	1470	}
978		1471
979	sub find($) {	1472	sub find($) {
980	return $cf::PLAYER{$_[0]} || do {	1473	return $cf::PLAYER{$_[0]} || do {
981	my $login = $_[0];	1474	my $login = $_[0];
982		1475
983	my $guard = cf::lock_acquire "user_find:$login";	1476	my $guard = cf::lock_acquire "user_find:$login";
984		1477
985	$cf::PLAYER{$_[0]} || do {	1478	$cf::PLAYER{$_[0]} || do {
986	my $pl = load_pl path $login	1479	# rename old playerfiles to new ones
		1480	#TODO: remove when no longer required
		1481	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1482	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1483	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1484	aio_unlink +(playerdir $login) . "/$login.pl";
		1485
		1486	my $f = new_from_file cf::object::thawer path $login
987	or return;	1487	or return;
		1488
		1489	my $pl = cf::player::load_pl $f
		1490	or return;
		1491
		1492	local $cf::PLAYER_LOADING{$login} = $pl;
		1493	$f->resolve_delayed_derefs;
988	$cf::PLAYER{$login} = $pl	1494	$cf::PLAYER{$login} = $pl
989	}	1495	}
990	}	1496	}
991	}	1497	}
992		1498
…		…
1001	return if $pl->{deny_save};	1507	return if $pl->{deny_save};
1002		1508
1003	aio_mkdir playerdir $pl, 0770;	1509	aio_mkdir playerdir $pl, 0770;
1004	$pl->{last_save} = $cf::RUNTIME;	1510	$pl->{last_save} = $cf::RUNTIME;
1005		1511
		1512	cf::get_slot 0.01;
		1513
1006	$pl->save_pl ($path);	1514	$pl->save_pl ($path);
1007	Coro::cede;	1515	cf::cede_to_tick;
1008	}	1516	}
1009		1517
1010	sub new($) {	1518	sub new($) {
1011	my ($login) = @_;	1519	my ($login) = @_;
1012		1520
…		…
1018	$cf::PLAYER{$login} = $self;	1526	$cf::PLAYER{$login} = $self;
1019		1527
1020	$self	1528	$self
1021	}	1529	}
1022		1530
		1531	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1532
		1533	=cut
		1534
		1535	sub send_msg {
		1536	my $ns = shift->ns
		1537	or return;
		1538	$ns->send_msg (@_);
		1539	}
		1540
1023	=item $pl->quit_character	1541	=item $pl->quit_character
1024		1542
1025	Nukes the player without looking back. If logged in, the connection will	1543	Nukes the player without looking back. If logged in, the connection will
1026	be destroyed. May block for a long time.	1544	be destroyed. May block for a long time.
1027		1545
1028	=cut	1546	=cut
1029		1547
1030	sub quit_character {	1548	sub quit_character {
1031	my ($pl) = @_;	1549	my ($pl) = @_;
1032		1550
		1551	my $name = $pl->ob->name;
		1552
1033	$pl->{deny_save} = 1;	1553	$pl->{deny_save} = 1;
1034	$pl->password ("*"); # this should lock out the player until we nuked the dir	1554	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1035		1555
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1556	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1037	$pl->deactivate;	1557	$pl->deactivate;
		1558	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1559	$pl->ob->check_score;
1038	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1560	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1039	$pl->ns->destroy if $pl->ns;	1561	$pl->ns->destroy if $pl->ns;
1040		1562
1041	my $path = playerdir $pl;	1563	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1564	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1565	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1566	delete $cf::PLAYER{$pl->ob->name};
1045	$pl->destroy;	1567	$pl->destroy;
		1568
		1569	my $prefix = qr<^~\Q$name\E/>;
		1570
		1571	# nuke player maps
		1572	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1573
1046	IO::AIO::aio_rmtree $temp;	1574	IO::AIO::aio_rmtree $temp;
		1575	}
		1576
		1577	=item $pl->kick
		1578
		1579	Kicks a player out of the game. This destroys the connection.
		1580
		1581	=cut
		1582
		1583	sub kick {
		1584	my ($pl, $kicker) = @_;
		1585
		1586	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1587	$pl->killer ("kicked");
		1588	$pl->ns->destroy;
1047	}	1589	}
1048		1590
1049	=item cf::player::list_logins	1591	=item cf::player::list_logins
1050		1592
1051	Returns am arrayref of all valid playernames in the system, can take a	1593	Returns am arrayref of all valid playernames in the system, can take a
1052	while and may block, so not sync_job-capable, ever.	1594	while and may block, so not sync_job-capable, ever.
1053		1595
1054	=cut	1596	=cut
1055		1597
1056	sub list_logins {	1598	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1599	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1600	or return [];
1059		1601
1060	my @logins;	1602	my @logins;
1061		1603
1062	for my $login (@$dirs) {	1604	for my $login (@$dirs) {
		1605	my $path = path $login;
		1606
		1607	# a .pst is a dead give-away for a valid player
		1608	# if no pst file found, open and chekc for blocked users
		1609	if (aio_stat "$path.pst") {
1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1610	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1064	aio_read $fh, 0, 512, my $buf, 0 or next;	1611	aio_read $fh, 0, 512, my $buf, 0 or next;
1065	$buf !~ /^password -------------$/m or next; # official not-valid tag	1612	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1613	}
1066		1614
1067	utf8::decode $login;	1615	utf8::decode $login;
1068	push @logins, $login;	1616	push @logins, $login;
1069	}	1617	}
1070		1618
…		…
1078		1626
1079	=cut	1627	=cut
1080		1628
1081	sub maps($) {	1629	sub maps($) {
1082	my ($pl) = @_;	1630	my ($pl) = @_;
		1631
		1632	$pl = ref $pl ? $pl->ob->name : $pl;
1083		1633
1084	my $files = aio_readdir playerdir $pl	1634	my $files = aio_readdir playerdir $pl
1085	or return;	1635	or return;
1086		1636
1087	my @paths;	1637	my @paths;
…		…
1089	for (@$files) {	1639	for (@$files) {
1090	utf8::decode $_;	1640	utf8::decode $_;
1091	next if /\.(?:pl|pst)$/;	1641	next if /\.(?:pl|pst)$/;
1092	next unless /^$PATH_SEP/o;	1642	next unless /^$PATH_SEP/o;
1093		1643
1094	push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_;	1644	push @paths, cf::map::normalise "~$pl/$_";
1095	}	1645	}
1096		1646
1097	\@paths	1647	\@paths
1098	}	1648	}
1099		1649
		1650	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1651
		1652	Expand deliantra pod fragments into protocol xml.
		1653
1100	=item $player->ext_reply ($msgid, $msgtype, %msg)	1654	=item $player->ext_reply ($msgid, @msg)
1101		1655
1102	Sends an ext reply to the player.	1656	Sends an ext reply to the player.
1103		1657
1104	=cut	1658	=cut
1105		1659
1106	sub ext_reply($$$%) {	1660	sub ext_reply($$@) {
1107	my ($self, $id, %msg) = @_;	1661	my ($self, $id, @msg) = @_;
1108		1662
1109	$msg{msgid} = $id;	1663	$self->ns->ext_reply ($id, @msg)
1110
1111	$self->send ("ext " . cf::to_json \%msg);
1112	}	1664	}
1113		1665
1114	package cf;	1666	=item $player->ext_msg ($type, @msg)
		1667
		1668	Sends an ext event to the client.
		1669
		1670	=cut
		1671
		1672	sub ext_msg($$@) {
		1673	my ($self, $type, @msg) = @_;
		1674
		1675	$self->ns->ext_msg ($type, @msg);
		1676	}
		1677
		1678	=head3 cf::region
		1679
		1680	=over 4
		1681
		1682	=cut
		1683
		1684	package cf::region;
		1685
		1686	=item cf::region::find_by_path $path
		1687
		1688	Tries to decuce the likely region for a map knowing only its path.
		1689
		1690	=cut
		1691
		1692	sub find_by_path($) {
		1693	my ($path) = @_;
		1694
		1695	my ($match, $specificity);
		1696
		1697	for my $region (list) {
		1698	if ($region->{match} && $path =~ $region->{match}) {
		1699	($match, $specificity) = ($region, $region->specificity)
		1700	if $region->specificity > $specificity;
		1701	}
		1702	}
		1703
		1704	$match
		1705	}
1115		1706
1116	=back	1707	=back
1117
1118		1708
1119	=head3 cf::map	1709	=head3 cf::map
1120		1710
1121	=over 4	1711	=over 4
1122		1712
…		…
1134	our $MAX_RESET = 3600;	1724	our $MAX_RESET = 3600;
1135	our $DEFAULT_RESET = 3000;	1725	our $DEFAULT_RESET = 3000;
1136		1726
1137	sub generate_random_map {	1727	sub generate_random_map {
1138	my ($self, $rmp) = @_;	1728	my ($self, $rmp) = @_;
		1729
		1730	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1731
1139	# mit "rum" bekleckern, nicht	1732	# mit "rum" bekleckern, nicht
1140	$self->_create_random_map (	1733	$self->_create_random_map (
1141	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1734	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1142	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1735	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1143	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1736	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1177	my ($self, $merge) = @_;	1770	my ($self, $merge) = @_;
1178		1771
1179	# we have to keep some variables in memory intact	1772	# we have to keep some variables in memory intact
1180	local $self->{path};	1773	local $self->{path};
1181	local $self->{load_path};	1774	local $self->{load_path};
1182	local $self->{deny_save};
1183	local $self->{deny_reset};
1184		1775
1185	$self->SUPER::thawer_merge ($merge);	1776	$self->SUPER::thawer_merge ($merge);
1186	}	1777	}
1187		1778
1188	sub normalise {	1779	sub normalise {
…		…
1235	$self->init; # pass $1 etc.	1826	$self->init; # pass $1 etc.
1236	return $self;	1827	return $self;
1237	}	1828	}
1238	}	1829	}
1239		1830
1240	Carp::carp "unable to resolve path '$path' (base '$base').";	1831	Carp::cluck "unable to resolve path '$path' (base '$base').";
1241	()	1832	()
1242	}	1833	}
1243		1834
1244	sub init {	1835	sub init {
1245	my ($self) = @_;	1836	my ($self) = @_;
…		…
1260		1851
1261	# the original (read-only) location	1852	# the original (read-only) location
1262	sub load_path {	1853	sub load_path {
1263	my ($self) = @_;	1854	my ($self) = @_;
1264		1855
1265	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1856	"$MAPDIR/$self->{path}.map"
1266	}	1857	}
1267		1858
1268	# the temporary/swap location	1859	# the temporary/swap location
1269	sub save_path {	1860	sub save_path {
1270	my ($self) = @_;	1861	my ($self) = @_;
1271		1862
1272	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1273	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1864	"$TMPDIR/$path.map"
1274	}	1865	}
1275		1866
1276	# the unique path, undef == no special unique path	1867	# the unique path, undef == no special unique path
1277	sub uniq_path {	1868	sub uniq_path {
1278	my ($self) = @_;	1869	my ($self) = @_;
1279		1870
1280	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1871	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1281	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1872	"$UNIQUEDIR/$path"
1282	}	1873	}
1283		1874
1284	# and all this just because we cannot iterate over	1875	# and all this just because we cannot iterate over
1285	# all maps in C++...	1876	# all maps in C++...
1286	sub change_all_map_light {	1877	sub change_all_map_light {
…		…
1288		1879
1289	$_->change_map_light ($change)	1880	$_->change_map_light ($change)
1290	for grep $_->outdoor, values %cf::MAP;	1881	for grep $_->outdoor, values %cf::MAP;
1291	}	1882	}
1292		1883
		1884	sub decay_objects {
		1885	my ($self) = @_;
		1886
		1887	return if $self->{deny_reset};
		1888
		1889	$self->do_decay_objects;
		1890	}
		1891
1293	sub unlink_save {	1892	sub unlink_save {
1294	my ($self) = @_;	1893	my ($self) = @_;
1295		1894
1296	utf8::encode (my $save = $self->save_path);	1895	utf8::encode (my $save = $self->save_path);
1297	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1896	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1298	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1897	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1299
1300	#d#TODO remove .map and also nuke
1301	$save =~ s/\.map// or return;#d#
1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1303	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1304	}	1898	}
1305		1899
1306	sub load_header_from($) {	1900	sub load_header_from($) {
1307	my ($self, $path) = @_;	1901	my ($self, $path) = @_;
1308		1902
1309	utf8::encode $path;	1903	utf8::encode $path;
1310	#aio_open $path, O_RDONLY, 0	1904	my $f = new_from_file cf::object::thawer $path
1311	# or return;
1312
1313	$self->_load_header ($path)
1314	or return;	1905	or return;
		1906
		1907	$self->_load_header ($f)
		1908	or return;
		1909
		1910	local $MAP_LOADING{$self->{path}} = $self;
		1911	$f->resolve_delayed_derefs;
1315		1912
1316	$self->{load_path} = $path;	1913	$self->{load_path} = $path;
1317		1914
1318	1	1915	1
1319	}	1916	}
…		…
1358	$self->load_header_orig	1955	$self->load_header_orig
1359	or return;	1956	or return;
1360	$self->prepare_orig;	1957	$self->prepare_orig;
1361	}	1958	}
1362		1959
		1960	$self->{deny_reset} = 1
		1961	if $self->no_reset;
		1962
		1963	$self->default_region (cf::region::find_by_path $self->{path})
		1964	unless $self->default_region;
		1965
1363	1	1966	1
1364	}	1967	}
1365		1968
1366	sub find;	1969	sub find;
1367	sub find {	1970	sub find {
1368	my ($path, $origin) = @_;	1971	my ($path, $origin) = @_;
1369		1972
1370	$path = normalise $path, $origin && $origin->path;	1973	$path = normalise $path, $origin && $origin->path;
1371		1974
		1975	cf::lock_wait "map_data:$path";#d#remove
1372	cf::lock_wait "map_find:$path";	1976	cf::lock_wait "map_find:$path";
1373		1977
1374	$cf::MAP{$path} || do {	1978	$cf::MAP{$path} || do {
		1979	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1375	my $guard = cf::lock_acquire "map_find:$path";	1980	my $guard2 = cf::lock_acquire "map_find:$path";
		1981
1376	my $map = new_from_path cf::map $path	1982	my $map = new_from_path cf::map $path
1377	or return;	1983	or return;
1378		1984
1379	$map->{last_save} = $cf::RUNTIME;	1985	$map->{last_save} = $cf::RUNTIME;
1380		1986
1381	$map->load_header	1987	$map->load_header
1382	or return;	1988	or return;
1383		1989
1384	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1990	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1385	# doing this can freeze the server in a sync job, obviously	1991	# doing this can freeze the server in a sync job, obviously
1386	#$cf::WAIT_FOR_TICK->wait;	1992	#$cf::WAIT_FOR_TICK->wait;
		1993	undef $guard2;
		1994	undef $guard1;
1387	$map->reset;	1995	$map->reset;
1388	undef $guard;
1389	return find $path;	1996	return find $path;
1390	}	1997	}
1391		1998
1392	$cf::MAP{$path} = $map	1999	$cf::MAP{$path} = $map
1393	}	2000	}
…		…
1400	my ($self) = @_;	2007	my ($self) = @_;
1401		2008
1402	local $self->{deny_reset} = 1; # loading can take a long time	2009	local $self->{deny_reset} = 1; # loading can take a long time
1403		2010
1404	my $path = $self->{path};	2011	my $path = $self->{path};
		2012
		2013	{
1405	my $guard = cf::lock_acquire "map_load:$path";	2014	my $guard = cf::lock_acquire "map_data:$path";
1406		2015
		2016	return unless $self->valid;
1407	return if $self->in_memory != cf::MAP_SWAPPED;	2017	return unless $self->in_memory == cf::MAP_SWAPPED;
1408		2018
1409	$self->in_memory (cf::MAP_LOADING);	2019	$self->in_memory (cf::MAP_LOADING);
1410		2020
1411	$self->alloc;	2021	$self->alloc;
1412		2022
1413	$self->pre_load;	2023	$self->pre_load;
		2024	cf::cede_to_tick;
1414		2025
1415	$self->_load_objects ($self->{load_path}, 1)	2026	my $f = new_from_file cf::object::thawer $self->{load_path};
		2027	$f->skip_block;
		2028	$self->_load_objects ($f)
1416	or return;	2029	or return;
1417		2030
1418	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2031	$self->post_load_original
1419	if delete $self->{load_original};	2032	if delete $self->{load_original};
1420		2033
1421	if (my $uniq = $self->uniq_path) {	2034	if (my $uniq = $self->uniq_path) {
1422	utf8::encode $uniq;	2035	utf8::encode $uniq;
1423	if (aio_open $uniq, O_RDONLY, 0) {	2036	unless (aio_stat $uniq) {
		2037	if (my $f = new_from_file cf::object::thawer $uniq) {
1424	$self->clear_unique_items;	2038	$self->clear_unique_items;
1425	$self->_load_objects ($uniq, 0);	2039	$self->_load_objects ($f);
		2040	$f->resolve_delayed_derefs;
		2041	}
1426	}	2042	}
1427	}	2043	}
1428		2044
1429	Coro::cede;	2045	$f->resolve_delayed_derefs;
1430		2046
		2047	cf::cede_to_tick;
1431	# now do the right thing for maps	2048	# now do the right thing for maps
1432	$self->link_multipart_objects;	2049	$self->link_multipart_objects;
1433
1434	unless ($self->{deny_activate}) {
1435	$self->decay_objects;
1436	$self->fix_auto_apply;
1437	$self->update_buttons;
1438	Coro::cede;
1439	$self->set_darkness_map;
1440	$self->difficulty ($self->estimate_difficulty)	2050	$self->difficulty ($self->estimate_difficulty)
1441	unless $self->difficulty;	2051	unless $self->difficulty;
1442	Coro::cede;	2052	cf::cede_to_tick;
		2053
		2054	unless ($self->{deny_activate}) {
		2055	$self->decay_objects;
		2056	$self->fix_auto_apply;
		2057	$self->update_buttons;
		2058	cf::cede_to_tick;
		2059	$self->set_darkness_map;
		2060	cf::cede_to_tick;
1443	$self->activate;	2061	$self->activate;
		2062	}
		2063
		2064	$self->{last_save} = $cf::RUNTIME;
		2065	$self->last_access ($cf::RUNTIME);
		2066
		2067	$self->in_memory (cf::MAP_ACTIVE);
1444	}	2068	}
1445		2069
1446	$self->post_load;	2070	$self->post_load;
1447
1448	$self->in_memory (cf::MAP_IN_MEMORY);
1449	}	2071	}
1450		2072
1451	sub customise_for {	2073	sub customise_for {
1452	my ($self, $ob) = @_;	2074	my ($self, $ob) = @_;
1453		2075
1454	return find "~" . $ob->name . "/" . $self->{path}	2076	return find "~" . $ob->name . "/" . $self->{path}
1455	if $self->per_player;	2077	if $self->per_player;
1456		2078
		2079	# return find "?party/" . $ob->name . "/" . $self->{path}
		2080	# if $self->per_party;
		2081
1457	$self	2082	$self
1458	}	2083	}
1459		2084
1460	# find and load all maps in the 3x3 area around a map	2085	# find and load all maps in the 3x3 area around a map
1461	sub load_diag {	2086	sub load_neighbours {
1462	my ($map) = @_;	2087	my ($map) = @_;
1463		2088
1464	my @diag; # diagonal neighbours	2089	my @neigh; # diagonal neighbours
1465		2090
1466	for (0 .. 3) {	2091	for (0 .. 3) {
1467	my $neigh = $map->tile_path ($_)	2092	my $neigh = $map->tile_path ($_)
1468	or next;	2093	or next;
1469	$neigh = find $neigh, $map	2094	$neigh = find $neigh, $map
1470	or next;	2095	or next;
1471	$neigh->load;	2096	$neigh->load;
1472		2097
		2098	push @neigh,
1473	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2099	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1474	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2100	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1475	}	2101	}
1476		2102
1477	for (@diag) {	2103	for (grep defined $_->[0], @neigh) {
		2104	my ($path, $origin) = @$_;
1478	my $neigh = find @$_	2105	my $neigh = find $path, $origin
1479	or next;	2106	or next;
1480	$neigh->load;	2107	$neigh->load;
1481	}	2108	}
1482	}	2109	}
1483		2110
…		…
1488	}	2115	}
1489		2116
1490	sub do_load_sync {	2117	sub do_load_sync {
1491	my ($map) = @_;	2118	my ($map) = @_;
1492		2119
		2120	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2121	if $Coro::current == $Coro::main;
		2122
1493	cf::sync_job { $map->load };	2123	cf::sync_job { $map->load };
1494	}	2124	}
1495		2125
1496	our %MAP_PREFETCH;	2126	our %MAP_PREFETCH;
1497	our $MAP_PREFETCHER = undef;	2127	our $MAP_PREFETCHER = undef;
1498		2128
1499	sub find_async {	2129	sub find_async {
1500	my ($path, $origin) = @_;	2130	my ($path, $origin, $load) = @_;
1501		2131
1502	$path = normalise $path, $origin && $origin->{path};	2132	$path = normalise $path, $origin && $origin->{path};
1503		2133
1504	if (my $map = $cf::MAP{$path}) {	2134	if (my $map = $cf::MAP{$path}) {
1505	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2135	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1506	}	2136	}
1507		2137
1508	undef $MAP_PREFETCH{$path};	2138	$MAP_PREFETCH{$path} |= $load;
		2139
1509	$MAP_PREFETCHER ||= cf::async {	2140	$MAP_PREFETCHER ||= cf::async {
		2141	$Coro::current->{desc} = "map prefetcher";
		2142
1510	while (%MAP_PREFETCH) {	2143	while (%MAP_PREFETCH) {
1511	for my $path (keys %MAP_PREFETCH) {	2144	while (my ($k, $v) = each %MAP_PREFETCH) {
1512	my $map = find $path	2145	if (my $map = find $k) {
1513	or next;
1514	$map->load;	2146	$map->load if $v;
		2147	}
1515		2148
1516	delete $MAP_PREFETCH{$path};	2149	delete $MAP_PREFETCH{$k};
1517	}	2150	}
1518	}	2151	}
1519	undef $MAP_PREFETCHER;	2152	undef $MAP_PREFETCHER;
1520	};	2153	};
1521	$MAP_PREFETCHER->prio (6);	2154	$MAP_PREFETCHER->prio (6);
…		…
1524	}	2157	}
1525		2158
1526	sub save {	2159	sub save {
1527	my ($self) = @_;	2160	my ($self) = @_;
1528		2161
1529	my $lock = cf::lock_acquire "map_data:" . $self->path;	2162	my $lock = cf::lock_acquire "map_data:$self->{path}";
1530		2163
1531	$self->{last_save} = $cf::RUNTIME;	2164	$self->{last_save} = $cf::RUNTIME;
1532		2165
1533	return unless $self->dirty;	2166	return unless $self->dirty;
1534		2167
…		…
1540	return if $self->{deny_save};	2173	return if $self->{deny_save};
1541		2174
1542	local $self->{last_access} = $self->last_access;#d#	2175	local $self->{last_access} = $self->last_access;#d#
1543		2176
1544	cf::async {	2177	cf::async {
		2178	$Coro::current->{desc} = "map player save";
1545	$_->contr->save for $self->players;	2179	$_->contr->save for $self->players;
1546	};	2180	};
		2181
		2182	cf::get_slot 0.02;
1547		2183
1548	if ($uniq) {	2184	if ($uniq) {
1549	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2185	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1550	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2186	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1551	} else {	2187	} else {
…		…
1557	my ($self) = @_;	2193	my ($self) = @_;
1558		2194
1559	# save first because save cedes	2195	# save first because save cedes
1560	$self->save;	2196	$self->save;
1561		2197
1562	my $lock = cf::lock_acquire "map_data:" . $self->path;	2198	my $lock = cf::lock_acquire "map_data:$self->{path}";
1563		2199
1564	return if $self->players;	2200	return if $self->players;
1565	return if $self->in_memory != cf::MAP_IN_MEMORY;	2201	return if $self->in_memory != cf::MAP_ACTIVE;
1566	return if $self->{deny_save};	2202	return if $self->{deny_save};
1567		2203
		2204	$self->in_memory (cf::MAP_SWAPPED);
		2205
		2206	$self->deactivate;
		2207	$_->clear_links_to ($self) for values %cf::MAP;
1568	$self->clear;	2208	$self->clear;
1569	$self->in_memory (cf::MAP_SWAPPED);
1570	}	2209	}
1571		2210
1572	sub reset_at {	2211	sub reset_at {
1573	my ($self) = @_;	2212	my ($self) = @_;
1574		2213
1575	# TODO: safety, remove and allow resettable per-player maps	2214	# TODO: safety, remove and allow resettable per-player maps
1576	return 1e99 if $self->isa ("ext::map_per_player");#d#
1577	return 1e99 if $self->{deny_reset};	2215	return 1e99 if $self->{deny_reset};
1578		2216
1579	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2217	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1580	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2218	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1581		2219
…		…
1592	my ($self) = @_;	2230	my ($self) = @_;
1593		2231
1594	my $lock = cf::lock_acquire "map_data:$self->{path}";	2232	my $lock = cf::lock_acquire "map_data:$self->{path}";
1595		2233
1596	return if $self->players;	2234	return if $self->players;
1597	return if $self->isa ("ext::map_per_player");#d#
1598		2235
1599	warn "resetting map ", $self->path;#d#	2236	warn "resetting map ", $self->path;
		2237
		2238	$self->in_memory (cf::MAP_SWAPPED);
		2239
		2240	# need to save uniques path
		2241	unless ($self->{deny_save}) {
		2242	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2243
		2244	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2245	if $uniq;
		2246	}
1600		2247
1601	delete $cf::MAP{$self->path};	2248	delete $cf::MAP{$self->path};
1602		2249
1603	$self->in_memory (cf::MAP_SWAPPED);	2250	$self->deactivate;
		2251	$_->clear_links_to ($self) for values %cf::MAP;
1604	$self->clear;	2252	$self->clear;
1605
1606	$_->clear_links_to ($self) for values %cf::MAP;
1607		2253
1608	$self->unlink_save;	2254	$self->unlink_save;
1609	$self->destroy;	2255	$self->destroy;
1610	}	2256	}
1611		2257
1612	my $nuke_counter = "aaaa";	2258	my $nuke_counter = "aaaa";
1613		2259
1614	sub nuke {	2260	sub nuke {
1615	my ($self) = @_;	2261	my ($self) = @_;
1616		2262
		2263	{
		2264	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2265
1617	delete $cf::MAP{$self->path};	2266	delete $cf::MAP{$self->path};
1618		2267
1619	$self->unlink_save;	2268	$self->unlink_save;
1620		2269
1621	bless $self, "cf::map";	2270	bless $self, "cf::map";
1622	delete $self->{deny_reset};	2271	delete $self->{deny_reset};
1623	$self->{deny_save} = 1;	2272	$self->{deny_save} = 1;
1624	$self->reset_timeout (1);	2273	$self->reset_timeout (1);
1625	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2274	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1626		2275
1627	$cf::MAP{$self->path} = $self;	2276	$cf::MAP{$self->path} = $self;
		2277	}
1628		2278
1629	$self->reset; # polite request, might not happen	2279	$self->reset; # polite request, might not happen
		2280	}
		2281
		2282	=item $maps = cf::map::tmp_maps
		2283
		2284	Returns an arrayref with all map paths of currently instantiated and saved
		2285	maps. May block.
		2286
		2287	=cut
		2288
		2289	sub tmp_maps() {
		2290	[
		2291	map {
		2292	utf8::decode $_;
		2293	/\.map$/
		2294	? normalise $_
		2295	: ()
		2296	} @{ aio_readdir $TMPDIR or [] }
		2297	]
		2298	}
		2299
		2300	=item $maps = cf::map::random_maps
		2301
		2302	Returns an arrayref with all map paths of currently instantiated and saved
		2303	random maps. May block.
		2304
		2305	=cut
		2306
		2307	sub random_maps() {
		2308	[
		2309	map {
		2310	utf8::decode $_;
		2311	/\.map$/
		2312	? normalise "?random/$_"
		2313	: ()
		2314	} @{ aio_readdir $RANDOMDIR or [] }
		2315	]
1630	}	2316	}
1631		2317
1632	=item cf::map::unique_maps	2318	=item cf::map::unique_maps
1633		2319
1634	Returns an arrayref of paths of all shared maps that have	2320	Returns an arrayref of paths of all shared maps that have
1635	instantiated unique items. May block.	2321	instantiated unique items. May block.
1636		2322
1637	=cut	2323	=cut
1638		2324
1639	sub unique_maps() {	2325	sub unique_maps() {
1640	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2326	[
1641	or return;	2327	map {
1642
1643	my @paths;
1644
1645	for (@$files) {
1646	utf8::decode $_;	2328	utf8::decode $_;
1647	next if /\.pst$/;	2329	s/\.map$//; # TODO future compatibility hack
1648	next unless /^$PATH_SEP/o;	2330	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1649		2331	? ()
1650	push @paths, cf::map::normalise $_;	2332	: normalise $_
		2333	} @{ aio_readdir $UNIQUEDIR or [] }
1651	}	2334	]
1652
1653	\@paths
1654	}	2335	}
1655
1656	package cf;
1657		2336
1658	=back	2337	=back
1659		2338
1660	=head3 cf::object	2339	=head3 cf::object
1661		2340
…		…
1665		2344
1666	=over 4	2345	=over 4
1667		2346
1668	=item $ob->inv_recursive	2347	=item $ob->inv_recursive
1669		2348
1670	Returns the inventory of the object _and_ their inventories, recursively.	2349	Returns the inventory of the object I<and> their inventories, recursively,
		2350	but I<not> the object itself.
1671		2351
1672	=cut	2352	=cut
1673		2353
1674	sub inv_recursive_;	2354	sub inv_recursive_;
1675	sub inv_recursive_ {	2355	sub inv_recursive_ {
…		…
1678		2358
1679	sub inv_recursive {	2359	sub inv_recursive {
1680	inv_recursive_ inv $_[0]	2360	inv_recursive_ inv $_[0]
1681	}	2361	}
1682		2362
		2363	=item $ref = $ob->ref
		2364
		2365	Creates and returns a persistent reference to an object that can be stored as a string.
		2366
		2367	=item $ob = cf::object::deref ($refstring)
		2368
		2369	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2370	even if the object actually exists. May block.
		2371
		2372	=cut
		2373
		2374	sub deref {
		2375	my ($ref) = @_;
		2376
		2377	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2378	my ($uuid, $name) = ($1, $2);
		2379	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2380	or return;
		2381	$pl->ob->uuid eq $uuid
		2382	or return;
		2383
		2384	$pl->ob
		2385	} else {
		2386	warn "$ref: cannot resolve object reference\n";
		2387	undef
		2388	}
		2389	}
		2390
1683	package cf;	2391	package cf;
1684		2392
1685	=back	2393	=back
1686		2394
1687	=head3 cf::object::player	2395	=head3 cf::object::player
…		…
1693	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2401	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1694	can be C<undef>. Does the right thing when the player is currently in a	2402	can be C<undef>. Does the right thing when the player is currently in a
1695	dialogue with the given NPC character.	2403	dialogue with the given NPC character.
1696		2404
1697	=cut	2405	=cut
		2406
		2407	our $SAY_CHANNEL = {
		2408	id => "say",
		2409	title => "Map",
		2410	reply => "say ",
		2411	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2412	};
		2413
		2414	our $CHAT_CHANNEL = {
		2415	id => "chat",
		2416	title => "Chat",
		2417	reply => "chat ",
		2418	tooltip => "Player chat and shouts, global to the server.",
		2419	};
1698		2420
1699	# rough implementation of a future "reply" method that works	2421	# rough implementation of a future "reply" method that works
1700	# with dialog boxes.	2422	# with dialog boxes.
1701	#TODO: the first argument must go, split into a $npc->reply_to ( method	2423	#TODO: the first argument must go, split into a $npc->reply_to ( method
1702	sub cf::object::player::reply($$$;$) {	2424	sub cf::object::player::reply($$$;$) {
…		…
1704		2426
1705	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2427	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1706		2428
1707	if ($self->{record_replies}) {	2429	if ($self->{record_replies}) {
1708	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2430	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2431
1709	} else {	2432	} else {
		2433	my $pl = $self->contr;
		2434
		2435	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2436	my $dialog = $pl->{npc_dialog};
		2437	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2438
		2439	} else {
1710	$msg = $npc->name . " says: $msg" if $npc;	2440	$msg = $npc->name . " says: $msg" if $npc;
1711	$self->message ($msg, $flags);	2441	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2442	}
1712	}	2443	}
		2444	}
		2445
		2446	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2447
		2448	=cut
		2449
		2450	sub cf::object::send_msg {
		2451	my $pl = shift->contr
		2452	or return;
		2453	$pl->send_msg (@_);
1713	}	2454	}
1714		2455
1715	=item $player_object->may ("access")	2456	=item $player_object->may ("access")
1716		2457
1717	Returns wether the given player is authorized to access resource "access"	2458	Returns wether the given player is authorized to access resource "access"
…		…
1730		2471
1731	=item $player_object->enter_link	2472	=item $player_object->enter_link
1732		2473
1733	Freezes the player and moves him/her to a special map (C<{link}>).	2474	Freezes the player and moves him/her to a special map (C<{link}>).
1734		2475
1735	The player should be reasonably safe there for short amounts of time. You	2476	The player should be reasonably safe there for short amounts of time (e.g.
1736	I<MUST> call C<leave_link> as soon as possible, though.	2477	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2478	though, as the palyer cannot control the character while it is on the link
		2479	map.
1737		2480
1738	Will never block.	2481	Will never block.
1739		2482
1740	=item $player_object->leave_link ($map, $x, $y)	2483	=item $player_object->leave_link ($map, $x, $y)
1741		2484
…		…
1764	$self->deactivate_recursive;	2507	$self->deactivate_recursive;
1765		2508
1766	return if UNIVERSAL::isa $self->map, "ext::map_link";	2509	return if UNIVERSAL::isa $self->map, "ext::map_link";
1767		2510
1768	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2511	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1769	if $self->map;	2512	if $self->map && $self->map->{path} ne "{link}";
1770		2513
1771	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2514	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1772	}	2515	}
1773		2516
1774	sub cf::object::player::leave_link {	2517	sub cf::object::player::leave_link {
1775	my ($self, $map, $x, $y) = @_;	2518	my ($self, $map, $x, $y) = @_;
		2519
		2520	return unless $self->contr->active;
1776		2521
1777	my $link_pos = delete $self->{_link_pos};	2522	my $link_pos = delete $self->{_link_pos};
1778		2523
1779	unless ($map) {	2524	unless ($map) {
1780	# restore original map position	2525	# restore original map position
…		…
1794	# use -1 or undef as default coordinates, not 0, 0	2539	# use -1 or undef as default coordinates, not 0, 0
1795	($x, $y) = ($map->enter_x, $map->enter_y)	2540	($x, $y) = ($map->enter_x, $map->enter_y)
1796	if $x <=0 && $y <= 0;	2541	if $x <=0 && $y <= 0;
1797		2542
1798	$map->load;	2543	$map->load;
1799	$map->load_diag;	2544	$map->load_neighbours;
1800		2545
1801	return unless $self->contr->active;	2546	return unless $self->contr->active;
		2547	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1802	$self->activate_recursive;	2548	$self->activate_recursive;
		2549
		2550	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1803	$self->enter_map ($map, $x, $y);	2551	$self->enter_map ($map, $x, $y);
1804	}	2552	}
1805		2553
1806	cf::player->attach (	2554	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1807	on_logout => sub {
1808	my ($pl) = @_;
1809		2555
1810	# abort map switching before logout	2556	Moves the player to the given map-path and coordinates by first freezing
1811	if ($pl->ob->{_link_pos}) {	2557	her, loading and preparing them map, calling the provided $check callback
1812	cf::sync_job {	2558	that has to return the map if sucecssful, and then unfreezes the player on
1813	$pl->ob->leave_link	2559	the new (success) or old (failed) map position. In either case, $done will
1814	};	2560	be called at the end of this process.
1815	}
1816	},
1817	on_login => sub {
1818	my ($pl) = @_;
1819		2561
1820	# try to abort aborted map switching on player login :)	2562	Note that $check will be called with a potentially non-loaded map, so if
1821	# should happen only on crashes	2563	it needs a loaded map it has to call C<< ->load >>.
1822	if ($pl->ob->{_link_pos}) {
1823	$pl->ob->enter_link;
1824	(async {
1825	# we need this sleep as the login has a concurrent enter_exit running
1826	# and this sleep increases chances of the player not ending up in scorn
1827	$pl->ob->reply (undef,
1828	"There was an internal problem at your last logout, "
1829	. "the server will try to bring you to your intended destination in a second.",
1830	cf::NDI_RED);
1831	Coro::Timer::sleep 1;
1832	$pl->ob->leave_link;
1833	})->prio (2);
1834	}
1835	},
1836	);
1837		2564
1838	=item $player_object->goto ($path, $x, $y)
1839
1840	=cut	2565	=cut
		2566
		2567	our $GOTOGEN;
1841		2568
1842	sub cf::object::player::goto {	2569	sub cf::object::player::goto {
1843	my ($self, $path, $x, $y) = @_;	2570	my ($self, $path, $x, $y, $check, $done) = @_;
		2571
		2572	# do generation counting so two concurrent goto's will be executed in-order
		2573	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1844		2574
1845	$self->enter_link;	2575	$self->enter_link;
1846		2576
1847	(async {	2577	(async {
		2578	$Coro::current->{desc} = "player::goto $path $x $y";
		2579
		2580	# *tag paths override both path and x|y
		2581	if ($path =~ /^\*(.*)$/) {
		2582	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2583	my $ob = $obs[rand @obs];
		2584
		2585	# see if we actually can go there
		2586	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2587	$ob = $obs[rand @obs];
		2588	} else {
		2589	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2590	}
		2591	# else put us there anyways for now #d#
		2592
		2593	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2594	} else {
		2595	($path, $x, $y) = (undef, undef, undef);
		2596	}
		2597	}
		2598
1848	my $map = eval {	2599	my $map = eval {
1849	my $map = cf::map::find $path;	2600	my $map = defined $path ? cf::map::find $path : undef;
		2601
		2602	if ($map) {
1850	$map = $map->customise_for ($self) if $map;	2603	$map = $map->customise_for ($self);
		2604	$map = $check->($map) if $check && $map;
		2605	} else {
		2606	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2607	}
		2608
1851	$map	2609	$map
		2610	};
		2611
		2612	if ($@) {
		2613	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2614	LOG llevError | logBacktrace, Carp::longmess $@;
1852	} or	2615	}
1853	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1854		2616
		2617	if ($gen == $self->{_goto_generation}) {
		2618	delete $self->{_goto_generation};
1855	$self->leave_link ($map, $x, $y);	2619	$self->leave_link ($map, $x, $y);
		2620	}
		2621
		2622	$done->() if $done;
1856	})->prio (1);	2623	})->prio (1);
1857	}	2624	}
1858		2625
1859	=item $player_object->enter_exit ($exit_object)	2626	=item $player_object->enter_exit ($exit_object)
1860		2627
…		…
1880	}	2647	}
1881		2648
1882	sub prepare_random_map {	2649	sub prepare_random_map {
1883	my ($exit) = @_;	2650	my ($exit) = @_;
1884		2651
1885	my $guard = cf::lock_acquire "exit_prepare:$exit";
1886
1887	# all this does is basically replace the /! path by	2652	# all this does is basically replace the /! path by
1888	# a new random map path (?random/...) with a seed	2653	# a new random map path (?random/...) with a seed
1889	# that depends on the exit object	2654	# that depends on the exit object
1890		2655
1891	my $rmp = parse_random_map_params $exit->msg;	2656	my $rmp = parse_random_map_params $exit->msg;
…		…
1893	if ($exit->map) {	2658	if ($exit->map) {
1894	$rmp->{region} = $exit->region->name;	2659	$rmp->{region} = $exit->region->name;
1895	$rmp->{origin_map} = $exit->map->path;	2660	$rmp->{origin_map} = $exit->map->path;
1896	$rmp->{origin_x} = $exit->x;	2661	$rmp->{origin_x} = $exit->x;
1897	$rmp->{origin_y} = $exit->y;	2662	$rmp->{origin_y} = $exit->y;
		2663
		2664	$exit->map->touch;
1898	}	2665	}
1899		2666
1900	$rmp->{random_seed} ||= $exit->random_seed;	2667	$rmp->{random_seed} ||= $exit->random_seed;
1901		2668
1902	my $data = cf::to_json $rmp;	2669	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1903	my $md5 = Digest::MD5::md5_hex $data;	2670	my $md5 = Digest::MD5::md5_hex $data;
1904	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2671	my $meta = "$RANDOMDIR/$md5.meta";
1905		2672
1906	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2673	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1907	aio_write $fh, 0, (length $data), $data, 0;	2674	aio_write $fh, 0, (length $data), $data, 0;
1908	undef $fh;	2675	undef $fh;
1909	aio_rename "$meta~", $meta;	2676	aio_rename "$meta~", $meta;
1910		2677
		2678	my $slaying = "?random/$md5";
		2679
		2680	if ($exit->valid) {
1911	$exit->slaying ("?random/$md5");	2681	$exit->slaying ("?random/$md5");
1912	$exit->msg (undef);	2682	$exit->msg (undef);
		2683	}
1913	}	2684	}
1914	}	2685	}
1915		2686
1916	sub cf::object::player::enter_exit {	2687	sub cf::object::player::enter_exit {
1917	my ($self, $exit) = @_;	2688	my ($self, $exit) = @_;
1918		2689
1919	return unless $self->type == cf::PLAYER;	2690	return unless $self->type == cf::PLAYER;
1920		2691
1921	if ($exit->slaying eq "/!") {
1922	#TODO: this should de-fi-ni-te-ly not be a sync-job
1923	cf::sync_job { prepare_random_map $exit };
1924	}
1925
1926	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1927	my $hp = $exit->stats->hp;
1928	my $sp = $exit->stats->sp;
1929
1930	$self->enter_link;	2692	$self->enter_link;
1931		2693
1932	(async {	2694	(async {
1933	$self->deactivate_recursive; # just to be sure	2695	$Coro::current->{desc} = "enter_exit";
		2696
1934	unless (eval {	2697	unless (eval {
		2698	$self->deactivate_recursive; # just to be sure
		2699
		2700	# random map handling
		2701	{
		2702	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2703
		2704	prepare_random_map $exit
		2705	if $exit->slaying eq "/!";
		2706	}
		2707
		2708	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2709	my $x = $exit->stats->hp;
		2710	my $y = $exit->stats->sp;
		2711
1935	$self->goto ($slaying, $hp, $sp);	2712	$self->goto ($map, $x, $y);
1936		2713
		2714	# if exit is damned, update players death & WoR home-position
		2715	$self->contr->savebed ($map, $x, $y)
		2716	if $exit->flag (cf::FLAG_DAMNED);
		2717
1937	1;	2718	1
1938	}) {	2719	}) {
1939	$self->message ("Something went wrong deep within the crossfire server. "	2720	$self->message ("Something went wrong deep within the deliantra server. "
1940	. "I'll try to bring you back to the map you were before. "	2721	. "I'll try to bring you back to the map you were before. "
1941	. "Please report this to the dungeon master!",	2722	. "Please report this to the dungeon master!",
1942	cf::NDI_UNIQUE | cf::NDI_RED);	2723	cf::NDI_UNIQUE | cf::NDI_RED);
1943		2724
1944	warn "ERROR in enter_exit: $@";	2725	warn "ERROR in enter_exit: $@";
1945	$self->leave_link;	2726	$self->leave_link;
1946	}	2727	}
1947	})->prio (1);	2728	})->prio (1);
…		…
1960		2741
1961	sub cf::client::send_drawinfo {	2742	sub cf::client::send_drawinfo {
1962	my ($self, $text, $flags) = @_;	2743	my ($self, $text, $flags) = @_;
1963		2744
1964	utf8::encode $text;	2745	utf8::encode $text;
1965	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2746	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1966	}	2747	}
1967		2748
		2749	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2750
		2751	Send a drawinfo or msg packet to the client, formatting the msg for the
		2752	client if neccessary. C<$type> should be a string identifying the type of
		2753	the message, with C<log> being the default. If C<$color> is negative, suppress
		2754	the message unless the client supports the msg packet.
		2755
		2756	=cut
		2757
		2758	# non-persistent channels (usually the info channel)
		2759	our %CHANNEL = (
		2760	"c/identify" => {
		2761	id => "infobox",
		2762	title => "Identify",
		2763	reply => undef,
		2764	tooltip => "Items recently identified",
		2765	},
		2766	"c/examine" => {
		2767	id => "infobox",
		2768	title => "Examine",
		2769	reply => undef,
		2770	tooltip => "Signs and other items you examined",
		2771	},
		2772	"c/book" => {
		2773	id => "infobox",
		2774	title => "Book",
		2775	reply => undef,
		2776	tooltip => "The contents of a note or book",
		2777	},
		2778	"c/lookat" => {
		2779	id => "infobox",
		2780	title => "Look",
		2781	reply => undef,
		2782	tooltip => "What you saw there",
		2783	},
		2784	"c/who" => {
		2785	id => "infobox",
		2786	title => "Players",
		2787	reply => undef,
		2788	tooltip => "Shows players who are currently online",
		2789	},
		2790	"c/body" => {
		2791	id => "infobox",
		2792	title => "Body Parts",
		2793	reply => undef,
		2794	tooltip => "Shows which body parts you posess and are available",
		2795	},
		2796	"c/skills" => {
		2797	id => "infobox",
		2798	title => "Skills",
		2799	reply => undef,
		2800	tooltip => "Shows your experience per skill and item power",
		2801	},
		2802	"c/uptime" => {
		2803	id => "infobox",
		2804	title => "Uptime",
		2805	reply => undef,
		2806	tooltip => "How long the server has been running since last restart",
		2807	},
		2808	"c/mapinfo" => {
		2809	id => "infobox",
		2810	title => "Map Info",
		2811	reply => undef,
		2812	tooltip => "Information related to the maps",
		2813	},
		2814	"c/party" => {
		2815	id => "party",
		2816	title => "Party",
		2817	reply => "gsay ",
		2818	tooltip => "Messages and chat related to your party",
		2819	},
		2820	);
		2821
		2822	sub cf::client::send_msg {
		2823	my ($self, $channel, $msg, $color, @extra) = @_;
		2824
		2825	$msg = $self->pl->expand_cfpod ($msg)
		2826	unless $color & cf::NDI_VERBATIM;
		2827
		2828	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2829
		2830	# check predefined channels, for the benefit of C
		2831	if ($CHANNEL{$channel}) {
		2832	$channel = $CHANNEL{$channel};
		2833
		2834	$self->ext_msg (channel_info => $channel)
		2835	if $self->can_msg;
		2836
		2837	$channel = $channel->{id};
		2838
		2839	} elsif (ref $channel) {
		2840	# send meta info to client, if not yet sent
		2841	unless (exists $self->{channel}{$channel->{id}}) {
		2842	$self->{channel}{$channel->{id}} = $channel;
		2843	$self->ext_msg (channel_info => $channel)
		2844	if $self->can_msg;
		2845	}
		2846
		2847	$channel = $channel->{id};
		2848	}
		2849
		2850	return unless @extra || length $msg;
		2851
		2852	if ($self->can_msg) {
		2853	# default colour, mask it out
		2854	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2855	if $color & cf::NDI_DEF;
		2856
		2857	my $pkt = "msg "
		2858	. $self->{json_coder}->encode (
		2859	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2860	);
		2861
		2862	# try lzf for large packets
		2863	$pkt = "lzf " . Compress::LZF::compress $pkt
		2864	if 1024 <= length $pkt and $self->{can_lzf};
		2865
		2866	# split very large packets
		2867	if (8192 < length $pkt and $self->{can_lzf}) {
		2868	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2869	$pkt = "frag";
		2870	}
		2871
		2872	$self->send_packet ($pkt);
		2873	} else {
		2874	if ($color >= 0) {
		2875	# replace some tags by gcfclient-compatible ones
		2876	for ($msg) {
		2877	1 while
		2878	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2879	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2880	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2881	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2882	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2883	}
		2884
		2885	$color &= cf::NDI_COLOR_MASK;
		2886
		2887	utf8::encode $msg;
		2888
		2889	if (0 && $msg =~ /\[/) {
		2890	# COMMAND/INFO
		2891	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2892	} else {
		2893	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2894	$self->send_packet ("drawinfo $color $msg")
		2895	}
		2896	}
		2897	}
		2898	}
		2899
		2900	=item $client->ext_msg ($type, @msg)
		2901
		2902	Sends an ext event to the client.
		2903
		2904	=cut
		2905
		2906	sub cf::client::ext_msg($$@) {
		2907	my ($self, $type, @msg) = @_;
		2908
		2909	if ($self->extcmd == 2) {
		2910	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2911	} elsif ($self->extcmd == 1) { # TODO: remove
		2912	push @msg, msgtype => "event_$type";
		2913	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2914	}
		2915	}
		2916
		2917	=item $client->ext_reply ($msgid, @msg)
		2918
		2919	Sends an ext reply to the client.
		2920
		2921	=cut
		2922
		2923	sub cf::client::ext_reply($$@) {
		2924	my ($self, $id, @msg) = @_;
		2925
		2926	if ($self->extcmd == 2) {
		2927	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2928	} elsif ($self->extcmd == 1) {
		2929	#TODO: version 1, remove
		2930	unshift @msg, msgtype => "reply", msgid => $id;
		2931	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2932	}
		2933	}
1968		2934
1969	=item $success = $client->query ($flags, "text", \&cb)	2935	=item $success = $client->query ($flags, "text", \&cb)
1970		2936
1971	Queues a query to the client, calling the given callback with	2937	Queues a query to the client, calling the given callback with
1972	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2938	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1973	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2939	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1974		2940
1975	Queries can fail, so check the return code. Or don't, as queries will become	2941	Queries can fail, so check the return code. Or don't, as queries will
1976	reliable at some point in the future.	2942	become reliable at some point in the future.
1977		2943
1978	=cut	2944	=cut
1979		2945
1980	sub cf::client::query {	2946	sub cf::client::query {
1981	my ($self, $flags, $text, $cb) = @_;	2947	my ($self, $flags, $text, $cb) = @_;
…		…
1989	utf8::encode $text;	2955	utf8::encode $text;
1990	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2956	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1991		2957
1992	$self->send_packet ($self->{query_queue}[0][0])	2958	$self->send_packet ($self->{query_queue}[0][0])
1993	if @{ $self->{query_queue} } == 1;	2959	if @{ $self->{query_queue} } == 1;
		2960
		2961	1
1994	}	2962	}
1995		2963
1996	cf::client->attach (	2964	cf::client->attach (
		2965	on_connect => sub {
		2966	my ($ns) = @_;
		2967
		2968	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2969	},
1997	on_reply => sub {	2970	on_reply => sub {
1998	my ($ns, $msg) = @_;	2971	my ($ns, $msg) = @_;
1999		2972
2000	# this weird shuffling is so that direct followup queries	2973	# this weird shuffling is so that direct followup queries
2001	# get handled first	2974	# get handled first
2002	my $queue = delete $ns->{query_queue}	2975	my $queue = delete $ns->{query_queue}
2003	or return; # be conservative, not sure how that can happen, but we saw a crash here	2976	or return; # be conservative, not sure how that can happen, but we saw a crash here
2004		2977
2005	(shift @$queue)->[1]->($msg);	2978	(shift @$queue)->[1]->($msg);
		2979	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
2006		2980
2007	push @{ $ns->{query_queue} }, @$queue;	2981	push @{ $ns->{query_queue} }, @$queue;
2008		2982
2009	if (@{ $ns->{query_queue} } == @$queue) {	2983	if (@{ $ns->{query_queue} } == @$queue) {
2010	if (@$queue) {	2984	if (@$queue) {
…		…
2012	} else {	2986	} else {
2013	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2987	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2014	}	2988	}
2015	}	2989	}
2016	},	2990	},
		2991	on_exticmd => sub {
		2992	my ($ns, $buf) = @_;
		2993
		2994	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2995
		2996	if (ref $msg) {
		2997	my ($type, $reply, @payload) =
		2998	"ARRAY" eq ref $msg
		2999	? @$msg
		3000	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3001
		3002	my @reply;
		3003
		3004	if (my $cb = $EXTICMD{$type}) {
		3005	@reply = $cb->($ns, @payload);
		3006	}
		3007
		3008	$ns->ext_reply ($reply, @reply)
		3009	if $reply;
		3010
		3011	} else {
		3012	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3013	}
		3014
		3015	cf::override;
		3016	},
2017	);	3017	);
2018		3018
2019	=item $client->async (\&cb)	3019	=item $client->async (\&cb)
2020		3020
2021	Create a new coroutine, running the specified callback. The coroutine will	3021	Create a new coroutine, running the specified callback. The coroutine will
…		…
2062	our $safe = new Safe "safe";	3062	our $safe = new Safe "safe";
2063	our $safe_hole = new Safe::Hole;	3063	our $safe_hole = new Safe::Hole;
2064		3064
2065	$SIG{FPE} = 'IGNORE';	3065	$SIG{FPE} = 'IGNORE';
2066		3066
2067	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3067	$safe->permit_only (Opcode::opset qw(
		3068	:base_core :base_mem :base_orig :base_math
		3069	grepstart grepwhile mapstart mapwhile
		3070	sort time
		3071	));
2068		3072
2069	# here we export the classes and methods available to script code	3073	# here we export the classes and methods available to script code
2070		3074
2071	=pod	3075	=pod
2072		3076
2073	The following fucntions and emthods are available within a safe environment:	3077	The following functions and methods are available within a safe environment:
2074		3078
2075	cf::object contr pay_amount pay_player map	3079	cf::object
		3080	contr pay_amount pay_player map x y force_find force_add destroy
		3081	insert remove name archname title slaying race decrease split
		3082
2076	cf::object::player player	3083	cf::object::player
2077	cf::player peaceful	3084	player
2078	cf::map trigger	3085
		3086	cf::player
		3087	peaceful
		3088
		3089	cf::map
		3090	trigger
2079		3091
2080	=cut	3092	=cut
2081		3093
2082	for (	3094	for (
2083	["cf::object" => qw(contr pay_amount pay_player map)],	3095	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3096	insert remove inv nrof name archname title slaying race
		3097	decrease split destroy change_exp)],
2084	["cf::object::player" => qw(player)],	3098	["cf::object::player" => qw(player)],
2085	["cf::player" => qw(peaceful)],	3099	["cf::player" => qw(peaceful)],
2086	["cf::map" => qw(trigger)],	3100	["cf::map" => qw(trigger)],
2087	) {	3101	) {
2088	no strict 'refs';	3102	no strict 'refs';
…		…
2159	=back	3173	=back
2160		3174
2161	=cut	3175	=cut
2162		3176
2163	#############################################################################	3177	#############################################################################
		3178	# the server's init and main functions
2164		3179
2165	=head2 EXTENSION DATABASE SUPPORT	3180	sub load_facedata($) {
		3181	my ($path) = @_;
2166		3182
2167	Crossfire maintains a very simple database for extension use. It can	3183	# HACK to clear player env face cache, we need some signal framework
2168	currently store anything that can be serialised using Storable, which	3184	# for this (global event?)
2169	excludes objects.	3185	%ext::player_env::MUSIC_FACE_CACHE = ();
2170		3186
2171	The parameter C<$family> should best start with the name of the extension	3187	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2172	using it, it should be unique.
2173		3188
2174	=over 4	3189	warn "loading facedata from $path\n";
2175		3190
2176	=item $hashref = cf::db_get $family	3191	my $facedata;
		3192	0 < aio_load $path, $facedata
		3193	or die "$path: $!";
2177		3194
2178	Return a hashref for use by the extension C<$family>, which can be	3195	$facedata = Coro::Storable::thaw $facedata;
2179	modified. After modifications, you have to call C<cf::db_dirty> or
2180	C<cf::db_sync>.
2181		3196
2182	=item $value = cf::db_get $family => $key	3197	$facedata->{version} == 2
		3198	or cf::cleanup "$path: version mismatch, cannot proceed.";
2183		3199
2184	Returns a single value from the database	3200	# patch in the exptable
2185		3201	$facedata->{resource}{"res/exp_table"} = {
2186	=item cf::db_put $family => $hashref	3202	type => FT_RSRC,
2187		3203	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2188	Stores the given family hashref into the database. Updates are delayed, if
2189	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2190
2191	=item cf::db_put $family => $key => $value
2192
2193	Stores the given C<$value> in the family hash. Updates are delayed, if you
2194	want the data to be synced to disk immediately, use C<cf::db_sync>.
2195
2196	=item cf::db_dirty
2197
2198	Marks the database as dirty, to be updated at a later time.
2199
2200	=item cf::db_sync
2201
2202	Immediately write the database to disk I<if it is dirty>.
2203
2204	=cut
2205
2206	our $DB;
2207
2208	{
2209	my $path = cf::localdir . "/database.pst";
2210
2211	sub db_load() {
2212	$DB = stat $path ? Storable::retrieve $path : { };
2213	}	3204	};
		3205	cf::cede_to_tick;
2214		3206
2215	my $pid;
2216
2217	sub db_save() {
2218	waitpid $pid, 0 if $pid;
2219	if (0 == ($pid = fork)) {
2220	$DB->{_meta}{version} = 1;
2221	Storable::nstore $DB, "$path~";
2222	rename "$path~", $path;
2223	cf::_exit 0 if defined $pid;
2224	}
2225	}	3207	{
		3208	my $faces = $facedata->{faceinfo};
2226		3209
2227	my $dirty;	3210	while (my ($face, $info) = each %$faces) {
		3211	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2228		3212
2229	sub db_sync() {	3213	cf::face::set_visibility $idx, $info->{visibility};
2230	db_save if $dirty;	3214	cf::face::set_magicmap $idx, $info->{magicmap};
2231	undef $dirty;	3215	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2232	}	3216	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2233		3217
2234	my $idle = Event->idle (	3218	cf::cede_to_tick;
2235	reentrant => 0,
2236	min => 10,
2237	max => 20,
2238	repeat => 0,
2239	data => WF_AUTOCANCEL,
2240	cb => \&db_sync,
2241	);
2242
2243	sub db_dirty() {
2244	$dirty = 1;
2245	$idle->start;
2246	}
2247
2248	sub db_get($;$) {
2249	@_ >= 2
2250	? $DB->{$_[0]}{$_[1]}
2251	: ($DB->{$_[0]} ||= { })
2252	}
2253
2254	sub db_put($$;$) {
2255	if (@_ >= 3) {
2256	$DB->{$_[0]}{$_[1]} = $_[2];
2257	} else {
2258	$DB->{$_[0]} = $_[1];
2259	}
2260	db_dirty;
2261	}
2262
2263	cf::global->attach (
2264	prio => 10000,
2265	on_cleanup => sub {
2266	db_sync;
2267	},	3219	}
2268	);
2269	}
2270		3220
2271	#############################################################################	3221	while (my ($face, $info) = each %$faces) {
2272	# the server's main()	3222	next unless $info->{smooth};
2273		3223
2274	sub cfg_load {	3224	my $idx = cf::face::find $face
		3225	or next;
		3226
		3227	if (my $smooth = cf::face::find $info->{smooth}) {
		3228	cf::face::set_smooth $idx, $smooth;
		3229	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3230	} else {
		3231	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3232	}
		3233
		3234	cf::cede_to_tick;
		3235	}
		3236	}
		3237
		3238	{
		3239	my $anims = $facedata->{animinfo};
		3240
		3241	while (my ($anim, $info) = each %$anims) {
		3242	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3243	cf::cede_to_tick;
		3244	}
		3245
		3246	cf::anim::invalidate_all; # d'oh
		3247	}
		3248
		3249	{
		3250	# TODO: for gcfclient pleasure, we should give resources
		3251	# that gcfclient doesn't grok a >10000 face index.
		3252	my $res = $facedata->{resource};
		3253
		3254	while (my ($name, $info) = each %$res) {
		3255	if (defined $info->{type}) {
		3256	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3257	my $data;
		3258
		3259	if ($info->{type} & 1) {
		3260	# prepend meta info
		3261
		3262	my $meta = $enc->encode ({
		3263	name => $name,
		3264	%{ $info->{meta} || {} },
		3265	});
		3266
		3267	$data = pack "(w/a*)*", $meta, $info->{data};
		3268	} else {
		3269	$data = $info->{data};
		3270	}
		3271
		3272	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3273	cf::face::set_type $idx, $info->{type};
		3274	} else {
		3275	$RESOURCE{$name} = $info;
		3276	}
		3277
		3278	cf::cede_to_tick;
		3279	}
		3280	}
		3281
		3282	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3283
		3284	1
		3285	}
		3286
		3287	cf::global->attach (on_resource_update => sub {
		3288	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3289	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3290
		3291	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3292	my $sound = $soundconf->{compat}[$_]
		3293	or next;
		3294
		3295	my $face = cf::face::find "sound/$sound->[1]";
		3296	cf::sound::set $sound->[0] => $face;
		3297	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3298	}
		3299
		3300	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3301	my $face = cf::face::find "sound/$v";
		3302	cf::sound::set $k => $face;
		3303	}
		3304	}
		3305	});
		3306
		3307	register_exticmd fx_want => sub {
		3308	my ($ns, $want) = @_;
		3309
		3310	while (my ($k, $v) = each %$want) {
		3311	$ns->fx_want ($k, $v);
		3312	}
		3313	};
		3314
		3315	sub load_resource_file($) {
		3316	my $guard = lock_acquire "load_resource_file";
		3317
		3318	my $status = load_resource_file_ $_[0];
		3319	get_slot 0.1, 100;
		3320	cf::arch::commit_load;
		3321
		3322	$status
		3323	}
		3324
		3325	sub reload_regions {
		3326	# HACK to clear player env face cache, we need some signal framework
		3327	# for this (global event?)
		3328	%ext::player_env::MUSIC_FACE_CACHE = ();
		3329
		3330	load_resource_file "$MAPDIR/regions"
		3331	or die "unable to load regions file\n";
		3332
		3333	for (cf::region::list) {
		3334	$_->{match} = qr/$_->{match}/
		3335	if exists $_->{match};
		3336	}
		3337	}
		3338
		3339	sub reload_facedata {
		3340	load_facedata "$DATADIR/facedata"
		3341	or die "unable to load facedata\n";
		3342	}
		3343
		3344	sub reload_archetypes {
		3345	load_resource_file "$DATADIR/archetypes"
		3346	or die "unable to load archetypes\n";
		3347	}
		3348
		3349	sub reload_treasures {
		3350	load_resource_file "$DATADIR/treasures"
		3351	or die "unable to load treasurelists\n";
		3352	}
		3353
		3354	sub reload_resources {
		3355	warn "reloading resource files...\n";
		3356
		3357	reload_facedata;
		3358	reload_archetypes;
		3359	reload_regions;
		3360	reload_treasures;
		3361
		3362	warn "finished reloading resource files\n";
		3363	}
		3364
		3365	sub reload_config {
2275	open my $fh, "<:utf8", cf::confdir . "/config"	3366	open my $fh, "<:utf8", "$CONFDIR/config"
2276	or return;	3367	or return;
2277		3368
2278	local $/;	3369	local $/;
2279	*CFG = YAML::Syck::Load <$fh>;	3370	*CFG = YAML::Load <$fh>;
2280		3371
2281	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3372	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2282		3373
2283	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3374	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2284	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3375	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2290	};	3381	};
2291	warn $@ if $@;	3382	warn $@ if $@;
2292	}	3383	}
2293	}	3384	}
2294		3385
		3386	sub pidfile() {
		3387	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3388	or die "$PIDFILE: $!";
		3389	flock $fh, &Fcntl::LOCK_EX
		3390	or die "$PIDFILE: flock: $!";
		3391	$fh
		3392	}
		3393
		3394	# make sure only one server instance is running at any one time
		3395	sub atomic {
		3396	my $fh = pidfile;
		3397
		3398	my $pid = <$fh>;
		3399	kill 9, $pid if $pid > 0;
		3400
		3401	seek $fh, 0, 0;
		3402	print $fh $$;
		3403	}
		3404
2295	sub main {	3405	sub main {
		3406	cf::init_globals; # initialise logging
		3407
		3408	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3409	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3410	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3411	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3412
		3413	cf::init_experience;
		3414	cf::init_anim;
		3415	cf::init_attackmess;
		3416	cf::init_dynamic;
		3417	cf::init_block;
		3418
		3419	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3420
2296	# we must not ever block the main coroutine	3421	# we must not ever block the main coroutine
2297	local $Coro::idle = sub {	3422	local $Coro::idle = sub {
2298	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3423	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2299	(async {	3424	(async {
2300	Event::one_event;	3425	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3426	EV::loop EV::LOOP_ONESHOT;
2301	})->prio (Coro::PRIO_MAX);	3427	})->prio (Coro::PRIO_MAX);
2302	};	3428	};
2303		3429
2304	cfg_load;	3430	evthread_start IO::AIO::poll_fileno;
2305	db_load;	3431
		3432	cf::sync_job {
		3433	reload_resources;
		3434	reload_config;
		3435	db_init;
		3436
		3437	cf::load_settings;
		3438	cf::load_materials;
		3439	cf::init_uuid;
		3440	cf::init_signals;
		3441	cf::init_commands;
		3442	cf::init_skills;
		3443
		3444	cf::init_beforeplay;
		3445
		3446	atomic;
		3447
2306	load_extensions;	3448	load_extensions;
2307		3449
2308	$TICK_WATCHER->start;	3450	utime time, time, $RUNTIMEFILE;
		3451
		3452	# no (long-running) fork's whatsoever before this point(!)
		3453	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3454
		3455	(pop @POST_INIT)->(0) while @POST_INIT;
		3456	};
		3457
2309	Event::loop;	3458	EV::loop;
2310	}	3459	}
2311		3460
2312	#############################################################################	3461	#############################################################################
2313	# initialisation and cleanup	3462	# initialisation and cleanup
2314		3463
2315	# install some emergency cleanup handlers	3464	# install some emergency cleanup handlers
2316	BEGIN {	3465	BEGIN {
		3466	our %SIGWATCHER = ();
2317	for my $signal (qw(INT HUP TERM)) {	3467	for my $signal (qw(INT HUP TERM)) {
2318	Event->signal (	3468	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2319	reentrant => 0,
2320	data => WF_AUTOCANCEL,
2321	signal => $signal,
2322	prio => 0,
2323	cb => sub {
2324	cf::cleanup "SIG$signal";	3469	cf::cleanup "SIG$signal";
2325	},
2326	);	3470	};
		3471	}
		3472	}
		3473
		3474	sub write_runtime_sync {
		3475	# first touch the runtime file to show we are still running:
		3476	# the fsync below can take a very very long time.
		3477
		3478	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3479
		3480	my $guard = cf::lock_acquire "write_runtime";
		3481
		3482	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3483	or return;
		3484
		3485	my $value = $cf::RUNTIME + 90 + 10;
		3486	# 10 is the runtime save interval, for a monotonic clock
		3487	# 60 allows for the watchdog to kill the server.
		3488
		3489	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3490	and return;
		3491
		3492	# always fsync - this file is important
		3493	aio_fsync $fh
		3494	and return;
		3495
		3496	# touch it again to show we are up-to-date
		3497	aio_utime $fh, undef, undef;
		3498
		3499	close $fh
		3500	or return;
		3501
		3502	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3503	and return;
		3504
		3505	warn "runtime file written.\n";
		3506
2327	}	3507	1
		3508	}
		3509
		3510	our $uuid_lock;
		3511	our $uuid_skip;
		3512
		3513	sub write_uuid_sync($) {
		3514	$uuid_skip ||= $_[0];
		3515
		3516	return if $uuid_lock;
		3517	local $uuid_lock = 1;
		3518
		3519	my $uuid = "$LOCALDIR/uuid";
		3520
		3521	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3522	or return;
		3523
		3524	my $value = uuid_seq uuid_cur;
		3525
		3526	unless ($value) {
		3527	warn "cowardly refusing to write zero uuid value!\n";
		3528	return;
		3529	}
		3530
		3531	my $value = uuid_str $value + $uuid_skip;
		3532	$uuid_skip = 0;
		3533
		3534	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3535	and return;
		3536
		3537	# always fsync - this file is important
		3538	aio_fsync $fh
		3539	and return;
		3540
		3541	close $fh
		3542	or return;
		3543
		3544	aio_rename "$uuid~", $uuid
		3545	and return;
		3546
		3547	warn "uuid file written ($value).\n";
		3548
		3549	1
		3550
		3551	}
		3552
		3553	sub write_uuid($$) {
		3554	my ($skip, $sync) = @_;
		3555
		3556	$sync ? write_uuid_sync $skip
		3557	: async { write_uuid_sync $skip };
2328	}	3558	}
2329		3559
2330	sub emergency_save() {	3560	sub emergency_save() {
2331	my $freeze_guard = cf::freeze_mainloop;	3561	my $freeze_guard = cf::freeze_mainloop;
2332		3562
…		…
2338	# and maps saved/destroyed asynchronously.	3568	# and maps saved/destroyed asynchronously.
2339	warn "begin emergency player save\n";	3569	warn "begin emergency player save\n";
2340	for my $login (keys %cf::PLAYER) {	3570	for my $login (keys %cf::PLAYER) {
2341	my $pl = $cf::PLAYER{$login} or next;	3571	my $pl = $cf::PLAYER{$login} or next;
2342	$pl->valid or next;	3572	$pl->valid or next;
		3573	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2343	$pl->save;	3574	$pl->save;
2344	}	3575	}
2345	warn "end emergency player save\n";	3576	warn "end emergency player save\n";
2346		3577
2347	warn "begin emergency map save\n";	3578	warn "begin emergency map save\n";
…		…
2349	my $map = $cf::MAP{$path} or next;	3580	my $map = $cf::MAP{$path} or next;
2350	$map->valid or next;	3581	$map->valid or next;
2351	$map->save;	3582	$map->save;
2352	}	3583	}
2353	warn "end emergency map save\n";	3584	warn "end emergency map save\n";
		3585
		3586	warn "begin emergency database checkpoint\n";
		3587	BDB::db_env_txn_checkpoint $DB_ENV;
		3588	warn "end emergency database checkpoint\n";
		3589
		3590	warn "begin write uuid\n";
		3591	write_uuid_sync 1;
		3592	warn "end write uuid\n";
2354	};	3593	};
2355		3594
2356	warn "leave emergency perl save\n";	3595	warn "leave emergency perl save\n";
2357	}	3596	}
2358		3597
		3598	sub post_cleanup {
		3599	my ($make_core) = @_;
		3600
		3601	warn Carp::longmess "post_cleanup backtrace"
		3602	if $make_core;
		3603
		3604	my $fh = pidfile;
		3605	unlink $PIDFILE if <$fh> == $$;
		3606	}
		3607
		3608	# a safer delete_package, copied from Symbol
		3609	sub clear_package($) {
		3610	my $pkg = shift;
		3611
		3612	# expand to full symbol table name if needed
		3613	unless ($pkg =~ /^main::.*::$/) {
		3614	$pkg = "main$pkg" if $pkg =~ /^::/;
		3615	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3616	$pkg .= '::' unless $pkg =~ /::$/;
		3617	}
		3618
		3619	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3620	my $stem_symtab = *{$stem}{HASH};
		3621
		3622	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3623	or return;
		3624
		3625	# clear all symbols
		3626	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3627	for my $name (keys %$leaf_symtab) {
		3628	_gv_clear *{"$pkg$name"};
		3629	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3630	}
		3631	warn "cleared package $pkg\n";#d#
		3632	}
		3633
2359	sub reload() {	3634	sub do_reload_perl() {
2360	# can/must only be called in main	3635	# can/must only be called in main
2361	if ($Coro::current != $Coro::main) {	3636	if ($Coro::current != $Coro::main) {
2362	warn "can only reload from main coroutine";	3637	warn "can only reload from main coroutine";
2363	return;	3638	return;
2364	}	3639	}
2365		3640
		3641	return if $RELOAD++;
		3642
		3643	while ($RELOAD) {
2366	warn "reloading...";	3644	warn "reloading...";
2367		3645
2368	warn "cancelling server ticker";	3646	warn "entering sync_job";
2369	$TICK_WATCHER->cancel;
2370		3647
		3648	cf::sync_job {
		3649	cf::write_runtime_sync; # external watchdog should not bark
2371	cf::emergency_save;	3650	cf::emergency_save;
		3651	cf::write_runtime_sync; # external watchdog should not bark
2372		3652
2373	eval {	3653	warn "syncing database to disk";
		3654	BDB::db_env_txn_checkpoint $DB_ENV;
		3655
2374	# if anything goes wrong in here, we should simply crash as we already saved	3656	# if anything goes wrong in here, we should simply crash as we already saved
2375		3657
2376	warn "syncing database to disk";
2377	cf::db_sync;
2378
2379	warn "cancelling all WF_AUTOCANCEL watchers";
2380	for (Event::all_watchers) {
2381	$_->cancel if $_->data & WF_AUTOCANCEL;
2382	}
2383
2384	warn "flushing outstanding aio requests";	3658	warn "flushing outstanding aio requests";
2385	for (;;) {	3659	while (IO::AIO::nreqs || BDB::nreqs) {
2386	IO::AIO::flush;	3660	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2387	Coro::cede;
2388	last unless IO::AIO::nreqs;
2389	warn "iterate...";
2390	}
2391
2392	warn "cancelling all extension coros";
2393	$_->cancel for values %EXT_CORO;
2394	%EXT_CORO = ();
2395
2396	warn "removing commands";
2397	%COMMAND = ();
2398
2399	warn "removing ext commands";
2400	%EXTCMD = ();
2401
2402	warn "unloading/nuking all extensions";
2403	for my $pkg (@EXTS) {
2404	warn "... unloading $pkg";
2405
2406	if (my $cb = $pkg->can ("unload")) {
2407	eval {
2408	$cb->($pkg);
2409	1
2410	} or warn "$pkg unloaded, but with errors: $@";
2411	}	3661	}
2412		3662
2413	warn "... nuking $pkg";	3663	warn "cancelling all extension coros";
2414	Symbol::delete_package $pkg;	3664	$_->cancel for values %EXT_CORO;
2415	}	3665	%EXT_CORO = ();
2416		3666
2417	warn "unloading all perl modules loaded from $LIBDIR";	3667	warn "removing commands";
2418	while (my ($k, $v) = each %INC) {	3668	%COMMAND = ();
2419	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2420		3669
		3670	warn "removing ext/exti commands";
		3671	%EXTCMD = ();
		3672	%EXTICMD = ();
		3673
		3674	warn "unloading/nuking all extensions";
		3675	for my $pkg (@EXTS) {
2421	warn "... unloading $k";	3676	warn "... unloading $pkg";
2422	delete $INC{$k};
2423		3677
2424	$k =~ s/\.pm$//;
2425	$k =~ s/\//::/g;
2426
2427	if (my $cb = $k->can ("unload_module")) {	3678	if (my $cb = $pkg->can ("unload")) {
		3679	eval {
2428	$cb->();	3680	$cb->($pkg);
		3681	1
		3682	} or warn "$pkg unloaded, but with errors: $@";
		3683	}
		3684
		3685	warn "... clearing $pkg";
		3686	clear_package $pkg;
2429	}	3687	}
2430		3688
2431	Symbol::delete_package $k;	3689	warn "unloading all perl modules loaded from $LIBDIR";
		3690	while (my ($k, $v) = each %INC) {
		3691	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3692
		3693	warn "... unloading $k";
		3694	delete $INC{$k};
		3695
		3696	$k =~ s/\.pm$//;
		3697	$k =~ s/\//::/g;
		3698
		3699	if (my $cb = $k->can ("unload_module")) {
		3700	$cb->();
		3701	}
		3702
		3703	clear_package $k;
2432	}	3704	}
2433		3705
2434	warn "getting rid of safe::, as good as possible";	3706	warn "getting rid of safe::, as good as possible";
2435	Symbol::delete_package "safe::$_"	3707	clear_package "safe::$_"
2436	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3708	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2437		3709
2438	warn "unloading cf.pm \"a bit\"";	3710	warn "unloading cf.pm \"a bit\"";
2439	delete $INC{"cf.pm"};	3711	delete $INC{"cf.pm"};
		3712	delete $INC{"cf/pod.pm"};
2440		3713
2441	# don't, removes xs symbols, too,	3714	# don't, removes xs symbols, too,
2442	# and global variables created in xs	3715	# and global variables created in xs
2443	#Symbol::delete_package __PACKAGE__;	3716	#clear_package __PACKAGE__;
2444		3717
2445	warn "unload completed, starting to reload now";	3718	warn "unload completed, starting to reload now";
2446		3719
2447	warn "reloading cf.pm";	3720	warn "reloading cf.pm";
2448	require cf;	3721	require cf;
2449	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3722	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2450		3723
2451	warn "loading config and database again";	3724	warn "loading config and database again";
2452	cf::cfg_load;	3725	cf::reload_config;
2453	cf::db_load;
2454		3726
2455	warn "loading extensions";	3727	warn "loading extensions";
2456	cf::load_extensions;	3728	cf::load_extensions;
2457		3729
2458	warn "reattaching attachments to objects/players";	3730	warn "reattaching attachments to objects/players";
2459	_global_reattach;	3731	_global_reattach; # objects, sockets
2460	warn "reattaching attachments to maps";	3732	warn "reattaching attachments to maps";
2461	reattach $_ for values %MAP;	3733	reattach $_ for values %MAP;
		3734	warn "reattaching attachments to players";
		3735	reattach $_ for values %PLAYER;
2462		3736
2463	warn "restarting server ticker";	3737	warn "running post_load";
		3738	(pop @POST_INIT)->(1) while @POST_INIT;
2464		3739
2465	$TICK_WATCHER->start;	3740	warn "leaving sync_job";
		3741
		3742	1
		3743	} or do {
		3744	warn $@;
		3745	cf::cleanup "error while reloading, exiting.";
		3746	};
		3747
		3748	warn "reloaded";
		3749	--$RELOAD;
		3750	}
		3751	};
		3752
		3753	our $RELOAD_WATCHER; # used only during reload
		3754
		3755	sub reload_perl() {
		3756	# doing reload synchronously and two reloads happen back-to-back,
		3757	# coro crashes during coro_state_free->destroy here.
		3758
		3759	$RELOAD_WATCHER ||= EV::timer $TICK * 1.5, 0, sub {
		3760	do_reload_perl;
		3761	undef $RELOAD_WATCHER;
2466	};	3762	};
2467		3763	}
2468	if ($@) {
2469	warn $@;
2470	warn "error while reloading, exiting.";
2471	exit 1;
2472	}
2473
2474	warn "reloaded";
2475	};
2476
2477	our $RELOAD_WATCHER; # used only during reload
2478		3764
2479	register_command "reload" => sub {	3765	register_command "reload" => sub {
2480	my ($who, $arg) = @_;	3766	my ($who, $arg) = @_;
2481		3767
2482	if ($who->flag (FLAG_WIZ)) {	3768	if ($who->flag (FLAG_WIZ)) {
2483	$who->message ("reloading server.");	3769	$who->message ("reloading server.");
2484		3770	async {
2485	# doing reload synchronously and two reloads happen back-to-back,	3771	$Coro::current->{desc} = "perl_reload";
2486	# coro crashes during coro_state_free->destroy here.
2487
2488	$RELOAD_WATCHER ||= Event->timer (
2489	reentrant => 0,
2490	after => 0,
2491	data => WF_AUTOCANCEL,
2492	cb => sub {
2493	reload;	3772	reload_perl;
2494	undef $RELOAD_WATCHER;
2495	},
2496	);	3773	};
2497	}	3774	}
2498	};	3775	};
2499		3776
2500	unshift @INC, $LIBDIR;	3777	unshift @INC, $LIBDIR;
2501		3778
2502	my $bug_warning = 0;	3779	my $bug_warning = 0;
2503		3780
2504	$TICK_WATCHER = Event->timer (	3781	our @WAIT_FOR_TICK;
2505	reentrant => 0,	3782	our @WAIT_FOR_TICK_BEGIN;
2506	parked => 1,	3783
2507	prio => 0,	3784	sub wait_for_tick {
2508	at => $NEXT_TICK || $TICK,	3785	return if tick_inhibit || $Coro::current == $Coro::main;
2509	data => WF_AUTOCANCEL,	3786
2510	cb => sub {	3787	my $signal = new Coro::Signal;
		3788	push @WAIT_FOR_TICK, $signal;
		3789	$signal->wait;
		3790	}
		3791
		3792	sub wait_for_tick_begin {
		3793	return if tick_inhibit || $Coro::current == $Coro::main;
		3794
		3795	my $signal = new Coro::Signal;
		3796	push @WAIT_FOR_TICK_BEGIN, $signal;
		3797	$signal->wait;
		3798	}
		3799
		3800	sub tick {
2511	if ($Coro::current != $Coro::main) {	3801	if ($Coro::current != $Coro::main) {
2512	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3802	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2513	unless ++$bug_warning > 10;	3803	unless ++$bug_warning > 10;
2514	return;	3804	return;
2515	}	3805	}
2516		3806
2517	$NOW = Event::time;
2518
2519	cf::server_tick; # one server iteration	3807	cf::server_tick; # one server iteration
2520	$RUNTIME += $TICK;
2521	$NEXT_TICK += $TICK;
2522		3808
2523	$WAIT_FOR_TICK->broadcast;	3809	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2524	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3810	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2525		3811	Coro::async_pool {
2526	Event::sweep;	3812	$Coro::current->{desc} = "runtime saver";
2527	Coro::cede_notself;
2528
2529	# my $AFTER = Event::time;
2530	# warn $AFTER - $NOW;#d#
2531
2532	# if we are delayed by four ticks or more, skip them all
2533	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2534
2535	$TICK_WATCHER->at ($NEXT_TICK);
2536	$TICK_WATCHER->start;
2537	},
2538	);
2539
2540	IO::AIO::max_poll_time $TICK * 0.1;
2541
2542	undef $Coro::AIO::WATCHER;
2543	$AIO_POLL_WATCHER = Event->io (
2544	reentrant => 0,
2545	fd => IO::AIO::poll_fileno,
2546	poll => 'r',
2547	prio => 6,
2548	data => WF_AUTOCANCEL,
2549	cb => \&IO::AIO::poll_cb,
2550	);
2551
2552	$WRITE_RUNTIME_WATCHER = Event->timer (
2553	reentrant => 0,
2554	data => WF_AUTOCANCEL,
2555	after => 1,
2556	interval => 10,
2557	prio => 6, # keep it lowest so it acts like a watchdog
2558	cb => Coro::unblock_sub {
2559	write_runtime	3813	write_runtime_sync
2560	or warn "ERROR: unable to write runtime file: $!";	3814	or warn "ERROR: unable to write runtime file: $!";
		3815	};
2561	},	3816	}
2562	);	3817
		3818	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3819	$sig->send;
		3820	}
		3821	while (my $sig = shift @WAIT_FOR_TICK) {
		3822	$sig->send;
		3823	}
		3824
		3825	$LOAD = ($NOW - $TICK_START) / $TICK;
		3826	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3827
		3828	if (0) {
		3829	if ($NEXT_TICK) {
		3830	my $jitter = $TICK_START - $NEXT_TICK;
		3831	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3832	warn "jitter $JITTER\n";#d#
		3833	}
		3834	}
		3835	}
		3836
		3837	{
		3838	# configure BDB
		3839
		3840	BDB::min_parallel 8;
		3841	BDB::max_poll_reqs $TICK * 0.1;
		3842	$AnyEvent::BDB::WATCHER->priority (1);
		3843
		3844	unless ($DB_ENV) {
		3845	$DB_ENV = BDB::db_env_create;
		3846	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3847	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3848	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3849	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3850	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3851
		3852	cf::sync_job {
		3853	eval {
		3854	BDB::db_env_open
		3855	$DB_ENV,
		3856	$BDBDIR,
		3857	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3858	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3859	0666;
		3860
		3861	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3862	};
		3863
		3864	cf::cleanup "db_env_open(db): $@" if $@;
		3865	};
		3866	}
		3867
		3868	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3869	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3870	};
		3871	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3872	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3873	};
		3874	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3875	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3876	};
		3877	}
		3878
		3879	{
		3880	# configure IO::AIO
		3881
		3882	IO::AIO::min_parallel 8;
		3883	IO::AIO::max_poll_time $TICK * 0.1;
		3884	undef $AnyEvent::AIO::WATCHER;
		3885	}
		3886
		3887	my $_log_backtrace;
		3888
		3889	sub _log_backtrace {
		3890	my ($msg, @addr) = @_;
		3891
		3892	$msg =~ s/\n//;
		3893
		3894	# limit the # of concurrent backtraces
		3895	if ($_log_backtrace < 2) {
		3896	++$_log_backtrace;
		3897	my $perl_bt = Carp::longmess $msg;
		3898	async {
		3899	$Coro::current->{desc} = "abt $msg";
		3900
		3901	my @bt = fork_call {
		3902	@addr = map { sprintf "%x", $_ } @addr;
		3903	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3904	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3905	or die "addr2line: $!";
		3906
		3907	my @funcs;
		3908	my @res = <$fh>;
		3909	chomp for @res;
		3910	while (@res) {
		3911	my ($func, $line) = splice @res, 0, 2, ();
		3912	push @funcs, "[$func] $line";
		3913	}
		3914
		3915	@funcs
		3916	};
		3917
		3918	LOG llevInfo, "[ABT] $perl_bt\n";
		3919	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3920	LOG llevInfo, "[ABT] $_\n" for @bt;
		3921	--$_log_backtrace;
		3922	};
		3923	} else {
		3924	LOG llevInfo, "[ABT] $msg\n";
		3925	LOG llevInfo, "[ABT] [suppressed]\n";
		3926	}
		3927	}
		3928
		3929	# load additional modules
		3930	use cf::pod;
2563		3931
2564	END { cf::emergency_save }	3932	END { cf::emergency_save }
2565		3933
2566	1	3934	1
2567		3935

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