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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.245 by root, Tue Apr 17 10:06:33 2007 UTC vs.
Revision 1.556 by root, Sat Jul 3 01:49:18 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
9	use Event;	30	use EV;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
13		36
		37	use Guard ();
14	use Coro 3.61 ();	38	use Coro ();
15	use Coro::State;	39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
16	use Coro::Event;	42	use Coro::AnyEvent;
17	use Coro::Timer;	43	use Coro::Timer;
18	use Coro::Signal;	44	use Coro::Signal;
19	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
20	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
21	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
22		52
		53	use JSON::XS 2.01 ();
23	use BDB ();	54	use BDB ();
24	use Data::Dumper;	55	use Data::Dumper;
25	use Digest::MD5;
26	use Fcntl;	56	use Fcntl;
27	use YAML::Syck ();	57	use YAML::XS ();
28	use IO::AIO 2.32 ();	58	use IO::AIO ();
29	use Time::HiRes;	59	use Time::HiRes;
30	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
31		64
32	# configure various modules to our taste	65	# configure various modules to our taste
33	#	66	#
34	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
36	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
37		75
38	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
39		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
41	$YAML::Syck::ImplicitUnicode = 1;
42
43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
44		78
45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
46		82
47	our %COMMAND = ();	83	our %COMMAND = ();
48	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
49		85
50	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
54		91
55	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
56	our @EVENT;	93	our @EVENT;
57	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
		96
		97	our $CONFDIR = confdir;
		98	our $DATADIR = datadir;
		99	our $LIBDIR = "$DATADIR/ext";
		100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
58		118
59	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $TICK_WATCHER;
61	our $AIO_POLL_WATCHER;
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	121	our $NEXT_TICK;
64	our $NOW;
65	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
66		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
67	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
68	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
69		130
70	our %CFG;	131	our %CFG;
71		132
72	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
73	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
74		136
75	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
76	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80		140
81	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
83		143
		144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
		147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
		153
84	binmode STDOUT;	154	binmode STDOUT;
85	binmode STDERR;	155	binmode STDERR;
86		156
87	# read virtual server time, if available	157	# read virtual server time, if available
88	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
89	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
90	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
91	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
92	}	162	}
93		163
94	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
95	mkdir cf::localdir . "/" . cf::playerdir;	165
96	mkdir cf::localdir . "/" . cf::tmpdir;	166	mkdir $_
97	mkdir cf::localdir . "/" . cf::uniquedir;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
98	mkdir $RANDOM_MAPS;
99	mkdir $BDB_ENV_DIR;
100		168
101	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
102		170
103	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
104		187
105	#############################################################################	188	#############################################################################
106		189
107	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
108		191
…		…
115	=item $cf::RUNTIME	198	=item $cf::RUNTIME
116		199
117	The time this server has run, starts at 0 and is increased by $cf::TICK on	200	The time this server has run, starts at 0 and is increased by $cf::TICK on
118	every server tick.	201	every server tick.
119		202
120	=item $cf::LIBDIR	203	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		204	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		205	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
121		206
122	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
123	be found. It will be added to C<@INC> automatically.	208	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		209	unique-items directory, player file directory, random maps directory and
		210	database environment.
124		211
125	=item $cf::NOW	212	=item $cf::NOW
126		213
127	The time of the last (current) server tick.	214	The time of the last (current) server tick.
128		215
129	=item $cf::TICK	216	=item $cf::TICK
130		217
131	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
132		219
		220	=item $cf::LOADAVG
		221
		222	The current CPU load on the server (alpha-smoothed), as a value between 0
		223	(none) and 1 (overloaded), indicating how much time is spent on processing
		224	objects per tick. Healthy values are < 0.5.
		225
		226	=item $cf::LOAD
		227
		228	The raw value load value from the last tick.
		229
133	=item %cf::CFG	230	=item %cf::CFG
134		231
135	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
136	from wherever your confdir points to.	233	from wherever your confdir points to.
137		234
138	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
139		236
140	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
141	returns directly I<after> the tick processing (and consequently, can only wake one process	238	returns directly I<after> the tick processing (and consequently, can only wake one thread
142	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
143		240
		241	=cut
		242
		243	sub wait_for_tick();
		244	sub wait_for_tick_begin();
		245
		246	=item @cf::INVOKE_RESULTS
		247
		248	This array contains the results of the last C<invoke ()> call. When
		249	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		250	that call.
		251
		252	=item %cf::REFLECT
		253
		254	Contains, for each (C++) class name, a hash reference with information
		255	about object members (methods, scalars, arrays and flags) and other
		256	metadata, which is useful for introspection.
		257
144	=back	258	=back
145		259
146	=cut	260	=cut
147		261
148	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
149	*CORE::GLOBAL::warn = sub {	263	sub warn (@) { LOG llevWarn , join "", @_ }
		264	sub info (@) { LOG llevInfo , join "", @_ }
		265	sub debug(@) { LOG llevDebug, join "", @_ }
		266	sub trace(@) { LOG llevTrace, join "", @_ }
		267
		268	$Coro::State::WARNHOOK = sub {
150	my $msg = join "", @_;	269	my $msg = join "", @_;
151	utf8::encode $msg;
152		270
153	$msg .= "\n"	271	$msg .= "\n"
154	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
155		273
		274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		275
156	LOG llevError, $msg;	276	LOG llevWarn, $msg;
157	};	277	};
158	}	278
		279	$Coro::State::DIEHOOK = sub {
		280	return unless $^S eq 0; # "eq", not "=="
		281
		282	error Carp::longmess $_[0];
		283
		284	if (in_main) {#d#
		285	error "DIEHOOK called in main context, Coro bug?\n";#d#
		286	return;#d#
		287	}#d#
		288
		289	# kill coroutine otherwise
		290	Coro::terminate
		291	};
159		292
160	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
161	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
162	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
163	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
164	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	297	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		298	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
165	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	299	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
166		300
167	# we bless all objects into (empty) derived classes to force a method lookup	301	# we bless all objects into (empty) derived classes to force a method lookup
168	# within the Safe compartment.	302	# within the Safe compartment.
169	for my $pkg (qw(	303	for my $pkg (qw(
170	cf::global cf::attachable	304	cf::global cf::attachable
171	cf::object cf::object::player	305	cf::object cf::object::player
172	cf::client cf::player	306	cf::client cf::player
173	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
174	cf::map cf::party cf::region	309	cf::party cf::region
175	)) {	310	)) {
176	no strict 'refs';
177	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
178	}	312	}
179		313
180	$Event::DIED = sub {	314	$EV::DIED = sub {
181	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
182	};	316	};
		317
		318	#############################################################################
183		319
184	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
185		321
186	=over 4	322	=over 4
187		323
…		…
206	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	342	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
207	$d	343	$d
208	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
209	}	345	}
210		346
211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
212
213	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
214		348
215	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
216		350
217	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
218		352
219	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
220		354
		355	=cut
		356
		357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		358
		359	sub encode_json($) { $json_coder->encode ($_[0]) }
		360	sub decode_json($) { $json_coder->decode ($_[0]) }
		361
		362	=item $ref = cf::yaml_load $scalar
		363
		364	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		365
		366	=cut
		367
		368	sub fork_call(&@);
		369
		370	sub yaml_load($) {
		371	fork_call { YAML::XS::Load $_[0] } @_
		372	}
		373
		374	=item cf::post_init { BLOCK }
		375
		376	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		377	but I<before> the server starts ticking again.
		378
		379	The codeblock will have a single boolean argument to indicate whether this
		380	is a reload or not.
		381
		382	=cut
		383
		384	sub post_init(&) {
		385	push @POST_INIT, shift;
		386	}
		387
		388	sub _post_init {
		389	trace "running post_init jobs";
		390
		391	# run them in parallel...
		392
		393	my @join;
		394
		395	while () {
		396	push @join, map &Coro::async ($_, 0), @POST_INIT;
		397	@POST_INIT = ();
		398
		399	@join or last;
		400
		401	(pop @join)->join;
		402	}
		403	}
		404
221	=item cf::lock_wait $string	405	=item cf::lock_wait $string
222		406
223	Wait until the given lock is available. See cf::lock_acquire.	407	Wait until the given lock is available. See cf::lock_acquire.
224		408
225	=item my $lock = cf::lock_acquire $string	409	=item my $lock = cf::lock_acquire $string
226		410
227	Wait until the given lock is available and then acquires it and returns	411	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,	412	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
229	for example when the coroutine gets canceled), the lock is automatically	413	for example when the coroutine gets canceled), the lock is automatically
230	returned.	414	returned.
231		415
		416	Locks are *not* recursive, locking from the same coro twice results in a
		417	deadlocked coro.
		418
232	Lock names should begin with a unique identifier (for example, cf::map::find	419	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	420	uses map_find and cf::map::load uses map_load).
234		421
235	=cut	422	=item $locked = cf::lock_active $string
236		423
237	our %LOCK;	424	Return true if the lock is currently active, i.e. somebody has locked it.
		425
		426	=cut
		427
		428	our $LOCKS = new Coro::SemaphoreSet;
238		429
239	sub lock_wait($) {	430	sub lock_wait($) {
240	my ($key) = @_;	431	$LOCKS->wait ($_[0]);
241
242	# wait for lock, if any
243	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;
246	}
247	}	432	}
248		433
249	sub lock_acquire($) {	434	sub lock_acquire($) {
250	my ($key) = @_;	435	$LOCKS->guard ($_[0])
		436	}
251		437
252	# wait, to be sure we are not locked	438	sub lock_active($) {
253	lock_wait $key;	439	$LOCKS->count ($_[0]) < 1
254
255	$LOCK{$key} = [];
256
257	Coro::guard {
258	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };
260	}
261	}	440	}
262		441
263	sub freeze_mainloop {	442	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	443	tick_inhibit_inc;
265		444
266	my $guard = Coro::guard {	445	&Guard::guard (\&tick_inhibit_dec);
267	$TICK_WATCHER->start;	446	}
		447
		448	=item cf::periodic $interval, $cb
		449
		450	Like EV::periodic, but randomly selects a starting point so that the actions
		451	get spread over time.
		452
		453	=cut
		454
		455	sub periodic($$) {
		456	my ($interval, $cb) = @_;
		457
		458	my $start = rand List::Util::min 180, $interval;
		459
		460	EV::periodic $start, $interval, 0, $cb
		461	}
		462
		463	=item cf::get_slot $time[, $priority[, $name]]
		464
		465	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		466	This call blocks and returns only when you have at least C<$time> seconds
		467	of cpu time till the next tick. The slot is only valid till the next cede.
		468
		469	The optional C<$name> can be used to identify the job to run. It might be
		470	used for statistical purposes and should identify the same time-class.
		471
		472	Useful for short background jobs.
		473
		474	=cut
		475
		476	our @SLOT_QUEUE;
		477	our $SLOT_QUEUE;
		478	our $SLOT_DECAY = 0.9;
		479
		480	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		481	$SLOT_QUEUE = Coro::async {
		482	$Coro::current->desc ("timeslot manager");
		483
		484	my $signal = new Coro::Signal;
		485	my $busy;
		486
		487	while () {
		488	next_job:
		489
		490	my $avail = cf::till_tick;
		491
		492	for (0 .. $#SLOT_QUEUE) {
		493	if ($SLOT_QUEUE[$_][0] <= $avail) {
		494	$busy = 0;
		495	my $job = splice @SLOT_QUEUE, $_, 1, ();
		496	$job->[2]->send;
		497	Coro::cede;
		498	goto next_job;
		499	} else {
		500	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		501	}
		502	}
		503
		504	if (@SLOT_QUEUE) {
		505	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		506	push @cf::WAIT_FOR_TICK, $signal;
		507	$signal->wait;
		508	} else {
		509	$busy = 0;
		510	Coro::schedule;
		511	}
268	};	512	}
269	$TICK_WATCHER->stop;	513	};
270	$guard	514
		515	sub get_slot($;$$) {
		516	return if tick_inhibit || $Coro::current == $Coro::main;
		517
		518	my ($time, $pri, $name) = @_;
		519
		520	$time = clamp $time, 0.01, $TICK * .6;
		521
		522	my $sig = new Coro::Signal;
		523
		524	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		525	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		526	$SLOT_QUEUE->ready;
		527	$sig->wait;
271	}	528	}
272		529
273	=item cf::async { BLOCK }	530	=item cf::async { BLOCK }
274		531
275	Currently the same as Coro::async_pool, meaning you cannot use	532	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		537
281	BEGIN { *async = \&Coro::async_pool }	538	BEGIN { *async = \&Coro::async_pool }
282		539
283	=item cf::sync_job { BLOCK }	540	=item cf::sync_job { BLOCK }
284		541
285	The design of crossfire+ requires that the main coro ($Coro::main) is	542	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	543	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	544	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		545	acceptable.
288		546
289	If it must be done, put the blocking parts into C<sync_job>. This will run	547	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	548	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	549	server will be frozen during this time, so the block should either finish
292	fast or be very important.	550	fast or be very important.
…		…
294	=cut	552	=cut
295		553
296	sub sync_job(&) {	554	sub sync_job(&) {
297	my ($job) = @_;	555	my ($job) = @_;
298		556
299	if ($Coro::current == $Coro::main) {	557	if (in_main) {
		558	my $time = AE::time;
		559
300	# this is the main coro, too bad, we have to block	560	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	561	# till the operation succeeds, freezing the server :/
302		562
303	# TODO: use suspend/resume instead	563	#LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	564
305	my $freeze_guard = freeze_mainloop;	565	my $freeze_guard = freeze_mainloop;
306		566
307	my $busy = 1;	567	my $busy = 1;
308	my @res;	568	my @res;
309		569
310	(async {	570	(async {
		571	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	572	@res = eval { $job->() };
312	warn $@ if $@;	573	error $@ if $@;
313	undef $busy;	574	undef $busy;
314	})->prio (Coro::PRIO_MAX);	575	})->prio (Coro::PRIO_MAX);
315		576
316	while ($busy) {	577	while ($busy) {
317	Coro::cede or Event::one_event;	578	if (Coro::nready) {
		579	Coro::cede_notself;
		580	} else {
		581	EV::loop EV::LOOP_ONESHOT;
318	}	582	}
		583	}
		584
		585	my $time = AE::time - $time;
		586
		587	$TICK_START += $time; # do not account sync jobs to server load
319		588
320	wantarray ? @res : $res[0]	589	wantarray ? @res : $res[0]
321	} else {	590	} else {
322	# we are in another coroutine, how wonderful, everything just works	591	# we are in another coroutine, how wonderful, everything just works
323		592
…		…
343	$EXT_CORO{$coro+0} = $coro;	612	$EXT_CORO{$coro+0} = $coro;
344		613
345	$coro	614	$coro
346	}	615	}
347		616
348	sub write_runtime {	617	=item fork_call { }, @args
349	my $guard = cf::lock_acquire "write_runtime";
350		618
351	my $runtime = cf::localdir . "/runtime";	619	Executes the given code block with the given arguments in a seperate
		620	process, returning the results. Everything must be serialisable with
		621	Coro::Storable. May, of course, block. Note that the executed sub may
		622	never block itself or use any form of event handling.
352		623
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	624	=cut
354	or return;
355		625
356	my $value = $cf::RUNTIME + 90 + 10;	626	sub post_fork {
357	# 10 is the runtime save interval, for a monotonic clock	627	reset_signals;
358	# 60 allows for the watchdog to kill the server.	628	}
359		629
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	630	sub fork_call(&@) {
361	and return;	631	my ($cb, @args) = @_;
362		632
363	# always fsync - this file is important	633	# we seemingly have to make a local copy of the whole thing,
364	aio_fsync $fh	634	# otherwise perl prematurely frees the stuff :/
365	and return;	635	# TODO: investigate and fix (likely this will be rather laborious)
366		636
367	close $fh	637	my @res = Coro::Util::fork_eval {
368	or return;	638	cf::post_fork;
		639	&$cb
		640	} @args;
369		641
370	aio_rename "$runtime~", $runtime	642	wantarray ? @res : $res[-1]
371	and return;	643	}
372		644
		645	sub objinfo {
373	1	646	(
		647	"counter value" => cf::object::object_count,
		648	"objects created" => cf::object::create_count,
		649	"objects destroyed" => cf::object::destroy_count,
		650	"freelist size" => cf::object::free_count,
		651	"allocated objects" => cf::object::objects_size,
		652	"active objects" => cf::object::actives_size,
		653	)
		654	}
		655
		656	=item $coin = coin_from_name $name
		657
		658	=cut
		659
		660	our %coin_alias = (
		661	"silver" => "silvercoin",
		662	"silvercoin" => "silvercoin",
		663	"silvercoins" => "silvercoin",
		664	"gold" => "goldcoin",
		665	"goldcoin" => "goldcoin",
		666	"goldcoins" => "goldcoin",
		667	"platinum" => "platinacoin",
		668	"platinumcoin" => "platinacoin",
		669	"platinumcoins" => "platinacoin",
		670	"platina" => "platinacoin",
		671	"platinacoin" => "platinacoin",
		672	"platinacoins" => "platinacoin",
		673	"royalty" => "royalty",
		674	"royalties" => "royalty",
		675	);
		676
		677	sub coin_from_name($) {
		678	$coin_alias{$_[0]}
		679	? cf::arch::find $coin_alias{$_[0]}
		680	: undef
		681	}
		682
		683	=item $value = cf::db_get $family => $key
		684
		685	Returns a single value from the environment database.
		686
		687	=item cf::db_put $family => $key => $value
		688
		689	Stores the given C<$value> in the family. It can currently store binary
		690	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		691
		692	=item $db = cf::db_table "name"
		693
		694	Create and/or open a new database table. The string must not be "db" and must be unique
		695	within each server.
		696
		697	=cut
		698
		699	sub db_table($) {
		700	cf::error "db_get called from main context"
		701	if $Coro::current == $Coro::main;
		702
		703	my ($name) = @_;
		704	my $db = BDB::db_create $DB_ENV;
		705
		706	eval {
		707	$db->set_flags (BDB::CHKSUM);
		708
		709	utf8::encode $name;
		710	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		711	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		712	cf::cleanup "db_open(db): $!" if $!;
		713	};
		714	cf::cleanup "db_open(db): $@" if $@;
		715
		716	$db
		717	}
		718
		719	our $DB;
		720
		721	sub db_init {
		722	$DB ||= db_table "db";
		723	}
		724
		725	sub db_get($$) {
		726	my $key = "$_[0]/$_[1]";
		727
		728	cf::error "db_get called from main context"
		729	if $Coro::current == $Coro::main;
		730
		731	BDB::db_get $DB, undef, $key, my $data;
		732
		733	$! ? ()
		734	: $data
		735	}
		736
		737	sub db_put($$$) {
		738	BDB::dbreq_pri 4;
		739	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		740	}
		741
		742	=item cf::cache $id => [$paths...], $processversion => $process
		743
		744	Generic caching function that returns the value of the resource $id,
		745	caching and regenerating as required.
		746
		747	This function can block.
		748
		749	=cut
		750
		751	sub cache {
		752	my ($id, $src, $processversion, $process) = @_;
		753
		754	my $meta =
		755	join "\x00",
		756	$processversion,
		757	map {
		758	aio_stat $_
		759	and Carp::croak "$_: $!";
		760
		761	($_, (stat _)[7,9])
		762	} @$src;
		763
		764	my $dbmeta = db_get cache => "$id/meta";
		765	if ($dbmeta ne $meta) {
		766	# changed, we may need to process
		767
		768	my @data;
		769	my $md5;
		770
		771	for (0 .. $#$src) {
		772	0 <= aio_load $src->[$_], $data[$_]
		773	or Carp::croak "$src->[$_]: $!";
		774	}
		775
		776	# if processing is expensive, check
		777	# checksum first
		778	if (1) {
		779	$md5 =
		780	join "\x00",
		781	$processversion,
		782	map {
		783	cf::cede_to_tick;
		784	($src->[$_], Digest::MD5::md5_hex $data[$_])
		785	} 0.. $#$src;
		786
		787
		788	my $dbmd5 = db_get cache => "$id/md5";
		789	if ($dbmd5 eq $md5) {
		790	db_put cache => "$id/meta", $meta;
		791
		792	return db_get cache => "$id/data";
		793	}
		794	}
		795
		796	my $t1 = Time::HiRes::time;
		797	my $data = $process->(\@data);
		798	my $t2 = Time::HiRes::time;
		799
		800	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		801
		802	db_put cache => "$id/data", $data;
		803	db_put cache => "$id/md5" , $md5;
		804	db_put cache => "$id/meta", $meta;
		805
		806	return $data;
		807	}
		808
		809	db_get cache => "$id/data"
374	}	810	}
375		811
376	=item cf::datalog type => key => value, ...	812	=item cf::datalog type => key => value, ...
377		813
378	Log a datalog packet of the given type with the given key-value pairs.	814	Log a datalog packet of the given type with the given key-value pairs.
379		815
380	=cut	816	=cut
381		817
382	sub datalog($@) {	818	sub datalog($@) {
383	my ($type, %kv) = @_;	819	my ($type, %kv) = @_;
384	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	820	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
385	}	821	}
386		822
387	=back	823	=back
388		824
389	=cut	825	=cut
390		826
391	#############################################################################	827	#############################################################################
392		828
393	=head2 ATTACHABLE OBJECTS	829	=head2 ATTACHABLE OBJECTS
394		830
395	Many objects in crossfire are so-called attachable objects. That means you can	831	Many objects in deliantra are so-called attachable objects. That means you can
396	attach callbacks/event handlers (a collection of which is called an "attachment")	832	attach callbacks/event handlers (a collection of which is called an "attachment")
397	to it. All such attachable objects support the following methods.	833	to it. All such attachable objects support the following methods.
398		834
399	In the following description, CLASS can be any of C<global>, C<object>	835	In the following description, CLASS can be any of C<global>, C<object>
400	C<player>, C<client> or C<map> (i.e. the attachable objects in	836	C<player>, C<client> or C<map> (i.e. the attachable objects in
401	crossfire+).	837	Deliantra).
402		838
403	=over 4	839	=over 4
404		840
405	=item $attachable->attach ($attachment, key => $value...)	841	=item $attachable->attach ($attachment, key => $value...)
406		842
…		…
450	=item cf::CLASS::attachment $name, ...	886	=item cf::CLASS::attachment $name, ...
451		887
452	Register an attachment by C<$name> through which attachable objects of the	888	Register an attachment by C<$name> through which attachable objects of the
453	given CLASS can refer to this attachment.	889	given CLASS can refer to this attachment.
454		890
455	Some classes such as crossfire maps and objects can specify attachments	891	Some classes such as deliantra maps and objects can specify attachments
456	that are attached at load/instantiate time, thus the need for a name.	892	that are attached at load/instantiate time, thus the need for a name.
457		893
458	These calls expect any number of the following handler/hook descriptions:	894	These calls expect any number of the following handler/hook descriptions:
459		895
460	=over 4	896	=over 4
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	1005	$registry = $CB_TYPE[$object_type] ||= [];
570		1006
571	} elsif ($type eq "subtype") {	1007	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	1008	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	1009	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1010	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		1011
576	} elsif ($type eq "package") {	1012	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	1013	my $pkg = shift @arg;
578		1014
579	while (my ($name, $id) = each %cb_id) {	1015	while (my ($name, $id) = each %cb_id) {
…		…
584		1020
585	} elsif (exists $cb_id{$type}) {	1021	} elsif (exists $cb_id{$type}) {
586	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1022	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
587		1023
588	} elsif (ref $type) {	1024	} elsif (ref $type) {
589	warn "attaching objects not supported, ignoring.\n";	1025	error "attaching objects not supported, ignoring.\n";
590		1026
591	} else {	1027	} else {
592	shift @arg;	1028	shift @arg;
593	warn "attach argument '$type' not supported, ignoring.\n";	1029	error "attach argument '$type' not supported, ignoring.\n";
594	}	1030	}
595	}	1031	}
596	}	1032	}
597		1033
598	sub _object_attach {	1034	sub _object_attach {
…		…
608	_attach $registry, $klass, @attach;	1044	_attach $registry, $klass, @attach;
609	}	1045	}
610		1046
611	$obj->{$name} = \%arg;	1047	$obj->{$name} = \%arg;
612	} else {	1048	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	1049	info "object uses attachment '$name' which is not available, postponing.\n";
614	}	1050	}
615		1051
616	$obj->{_attachment}{$name} = undef;	1052	$obj->{_attachment}{$name} = undef;
617	}	1053	}
618		1054
…		…
620	if (ref $_[0]) {	1056	if (ref $_[0]) {
621	_object_attach @_;	1057	_object_attach @_;
622	} else {	1058	} else {
623	_attach shift->_attach_registry, @_;	1059	_attach shift->_attach_registry, @_;
624	}	1060	}
		1061	_recalc_want;
625	};	1062	};
626		1063
627	# all those should be optimised	1064	# all those should be optimised
628	sub cf::attachable::detach {	1065	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	1066	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	1069	delete $obj->{_attachment}{$name};
633	reattach ($obj);	1070	reattach ($obj);
634	} else {	1071	} else {
635	Carp::croak "cannot, currently, detach class attachments";	1072	Carp::croak "cannot, currently, detach class attachments";
636	}	1073	}
		1074	_recalc_want;
637	};	1075	};
638		1076
639	sub cf::attachable::attached {	1077	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	1078	my ($obj, $name) = @_;
641		1079
…		…
656	";	1094	";
657	die if $@;	1095	die if $@;
658	}	1096	}
659		1097
660	our $override;	1098	our $override;
661	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1099	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
662		1100
663	sub override {	1101	sub override {
664	$override = 1;	1102	$override = 1;
665	@invoke_results = ();	1103	@INVOKE_RESULTS = (@_);
666	}	1104	}
667		1105
668	sub do_invoke {	1106	sub do_invoke {
669	my $event = shift;	1107	my $event = shift;
670	my $callbacks = shift;	1108	my $callbacks = shift;
671		1109
672	@invoke_results = ();	1110	@INVOKE_RESULTS = ();
673		1111
674	local $override;	1112	local $override;
675		1113
676	for (@$callbacks) {	1114	for (@$callbacks) {
677	eval { &{$_->[1]} };	1115	eval { &{$_->[1]} };
678		1116
679	if ($@) {	1117	if ($@) {
680	warn "$@";
681	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1118	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
682	override;	1119	override;
683	}	1120	}
684		1121
685	return 1 if $override;	1122	return 1 if $override;
686	}	1123	}
687		1124
688	0	1125	0
689	}	1126	}
690		1127
691	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1128	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
692		1129
693	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
694		1131
695	Generate an object-specific event with the given arguments.	1132	Generate an object-specific event with the given arguments.
696		1133
697	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1134	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
698	removed in future versions), and there is no public API to access override	1135	removed in future versions), and there is no public API to access override
699	results (if you must, access C<@cf::invoke_results> directly).	1136	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		1137
701	=back	1138	=back
702		1139
703	=cut	1140	=cut
704		1141
705	#############################################################################	1142	#############################################################################
706	# object support	1143	# object support
		1144
		1145	sub _object_equal($$);
		1146	sub _object_equal($$) {
		1147	my ($a, $b) = @_;
		1148
		1149	return 0 unless (ref $a) eq (ref $b);
		1150
		1151	if ("HASH" eq ref $a) {
		1152	my @ka = keys %$a;
		1153	my @kb = keys %$b;
		1154
		1155	return 0 if @ka != @kb;
		1156
		1157	for (0 .. $#ka) {
		1158	return 0 unless $ka[$_] eq $kb[$_];
		1159	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1160	}
		1161
		1162	} elsif ("ARRAY" eq ref $a) {
		1163
		1164	return 0 if @$a != @$b;
		1165
		1166	for (0 .. $#$a) {
		1167	return 0 unless _object_equal $a->[$_], $b->[$_];
		1168	}
		1169
		1170	} elsif ($a ne $b) {
		1171	return 0;
		1172	}
		1173
		1174	1
		1175	}
		1176
		1177	our $SLOW_MERGES;#d#
		1178	sub _can_merge {
		1179	my ($ob1, $ob2) = @_;
		1180
		1181	++$SLOW_MERGES;#d#
		1182
		1183	# we do the slow way here
		1184	return _object_equal $ob1, $ob2
		1185	}
707		1186
708	sub reattach {	1187	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1188	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1189	my ($obj) = @_;
711		1190
		1191	# no longer needed after getting rid of delete_package?
712	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1192	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
713		1193
714	my $registry = $obj->registry;	1194	my $registry = $obj->registry;
715		1195
716	@$registry = ();	1196	@$registry = ();
717		1197
…		…
722	for (@$attach) {	1202	for (@$attach) {
723	my ($klass, @attach) = @$_;	1203	my ($klass, @attach) = @$_;
724	_attach $registry, $klass, @attach;	1204	_attach $registry, $klass, @attach;
725	}	1205	}
726	} else {	1206	} else {
727	warn "object uses attachment '$name' that is not available, postponing.\n";	1207	info "object uses attachment '$name' that is not available, postponing.\n";
728	}	1208	}
729	}	1209	}
730	}	1210	}
731		1211
732	cf::attachable->attach (	1212	cf::attachable->attach (
733	prio => -1000000,	1213	prio => -1000000,
734	on_instantiate => sub {	1214	on_instantiate => sub {
735	my ($obj, $data) = @_;	1215	my ($obj, $data) = @_;
736		1216
737	$data = from_json $data;	1217	$data = decode_json $data;
738		1218
739	for (@$data) {	1219	for (@$data) {
740	my ($name, $args) = @$_;	1220	my ($name, $args) = @$_;
741		1221
742	$obj->attach ($name, %{$args || {} });	1222	$obj->attach ($name, %{$args || {} });
…		…
758	sub object_freezer_save {	1238	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1239	my ($filename, $rdata, $objs) = @_;
760		1240
761	sync_job {	1241	sync_job {
762	if (length $$rdata) {	1242	if (length $$rdata) {
		1243	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1244	trace sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1245	$decname, length $$rdata, scalar @$objs
		1246	if $VERBOSE_IO;
765		1247
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1248	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1249	aio_chmod $fh, SAVE_MODE;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1250	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	aio_fsync $fh if $cf::USE_FSYNC;	1251	if ($cf::USE_FSYNC) {
		1252	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1253	aio_fsync $fh;
		1254	}
770	close $fh;	1255	aio_close $fh;
771		1256
772	if (@$objs) {	1257	if (@$objs) {
773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1258	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
774	chmod SAVE_MODE, $fh;	1259	aio_chmod $fh, SAVE_MODE;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1260	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1261	aio_write $fh, 0, (length $data), $data, 0;
777	aio_fsync $fh if $cf::USE_FSYNC;	1262	if ($cf::USE_FSYNC) {
		1263	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1264	aio_fsync $fh;
		1265	}
778	close $fh;	1266	aio_close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1267	aio_rename "$filename.pst~", "$filename.pst";
780	}	1268	}
781	} else {	1269	} else {
782	aio_unlink "$filename.pst";	1270	aio_unlink "$filename.pst";
783	}	1271	}
784		1272
785	aio_rename "$filename~", $filename;	1273	aio_rename "$filename~", $filename;
		1274
		1275	$filename =~ s%/[^/]+$%%;
		1276	aio_pathsync $filename if $cf::USE_FSYNC;
786	} else {	1277	} else {
787	warn "FATAL: $filename~: $!\n";	1278	error "unable to save objects: $filename~: $!\n";
788	}	1279	}
789	} else {	1280	} else {
790	aio_unlink $filename;	1281	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1282	aio_unlink "$filename.pst";
792	}	1283	}
793	}	1284	};
794	}	1285	}
795		1286
796	sub object_freezer_as_string {	1287	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1288	my ($rdata, $objs) = @_;
798		1289
…		…
810	or return;	1301	or return;
811		1302
812	unless (aio_stat "$filename.pst") {	1303	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1304	(aio_load "$filename.pst", $av) >= 0
814	or return;	1305	or return;
		1306
815	$av = eval { (Storable::thaw $av)->{objs} };	1307	my $st = eval { Coro::Storable::thaw $av };
		1308	$av = $st->{objs};
816	}	1309	}
817		1310
		1311	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1312	trace sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1313	$decname, length $data, scalar @{$av || []}
		1314	if $VERBOSE_IO;
		1315
820	return ($data, $av);	1316	($data, $av)
821	}	1317	}
		1318
		1319	=head2 COMMAND CALLBACKS
		1320
		1321	=over 4
		1322
		1323	=cut
822		1324
823	#############################################################################	1325	#############################################################################
824	# command handling &c	1326	# command handling &c
825		1327
826	=item cf::register_command $name => \&callback($ob,$args);	1328	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1341	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1342	}
841		1343
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1344	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1345
844	Register a callbackf ro execution when the client sends an extcmd packet.	1346	Register a callback for execution when the client sends an (synchronous)
		1347	extcmd packet. Ext commands will be processed in the order they are
		1348	received by the server, like other user commands. The first argument is
		1349	the logged-in player. Ext commands can only be processed after a player
		1350	has logged in successfully.
845		1351
846	If the callback returns something, it is sent back as if reply was being	1352	If the callback returns something, it is sent back as if reply was being
847	called.	1353	called.
848		1354
		1355	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1356
		1357	Register a callback for execution when the client sends an (asynchronous)
		1358	exticmd packet. Exti commands are processed by the server as soon as they
		1359	are received, i.e. out of order w.r.t. other commands. The first argument
		1360	is a client socket. Exti commands can be received anytime, even before
		1361	log-in.
		1362
		1363	If the callback returns something, it is sent back as if reply was being
		1364	called.
		1365
849	=cut	1366	=cut
850		1367
851	sub register_extcmd {	1368	sub register_extcmd {
852	my ($name, $cb) = @_;	1369	my ($name, $cb) = @_;
853		1370
854	$EXTCMD{$name} = $cb;	1371	$EXTCMD{$name} = $cb;
855	}	1372	}
856		1373
		1374	sub register_exticmd {
		1375	my ($name, $cb) = @_;
		1376
		1377	$EXTICMD{$name} = $cb;
		1378	}
		1379
		1380	use File::Glob ();
		1381
857	cf::player->attach (	1382	cf::player->attach (
858	on_command => sub {	1383	on_unknown_command => sub {
859	my ($pl, $name, $params) = @_;	1384	my ($pl, $name, $params) = @_;
860		1385
861	my $cb = $COMMAND{$name}	1386	my $cb = $COMMAND{$name}
862	or return;	1387	or return;
863		1388
…		…
868	cf::override;	1393	cf::override;
869	},	1394	},
870	on_extcmd => sub {	1395	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1396	my ($pl, $buf) = @_;
872		1397
873	my $msg = eval { from_json $buf };	1398	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1399
875	if (ref $msg) {	1400	if (ref $msg) {
		1401	my ($type, $reply, @payload) =
		1402	"ARRAY" eq ref $msg
		1403	? @$msg
		1404	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1405
		1406	my @reply;
		1407
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1408	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1409	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1410	}
		1411
		1412	$pl->ext_reply ($reply, @reply)
		1413	if $reply;
		1414
881	} else {	1415	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1416	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1417	}
884		1418
885	cf::override;	1419	cf::override;
886	},	1420	},
887	);	1421	);
888		1422
		1423	# "readahead" all extensions
889	sub load_extension {	1424	sub cache_extensions {
890	my ($path) = @_;	1425	my $grp = IO::AIO::aio_group;
891		1426
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1427	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
893	my $base = $1;	1428	for (grep /\.ext$/, @{$_[0]}) {
894	my $pkg = $1;	1429	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}	1430	}
917	die $@;
918	}	1431	};
919		1432
920	push @EXTS, $pkg;	1433	$grp
921	}	1434	}
922		1435
923	sub load_extensions {	1436	sub load_extensions {
		1437	info "loading extensions...";
		1438
		1439	cf::sync_job {
		1440	my %todo;
		1441
924	for my $ext (<$LIBDIR/*.ext>) {	1442	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1443	next unless -r $path;
926	eval {	1444
927	load_extension $ext;	1445	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1446	my $base = $1;
		1447	my $pkg = $1;
		1448	$pkg =~ s/[^[:word:]]/_/g;
		1449	$pkg = "ext::$pkg";
		1450
		1451	open my $fh, "<:utf8", $path
		1452	or die "$path: $!";
		1453
		1454	my $source = do { local $/; <$fh> };
		1455
		1456	my %ext = (
		1457	path => $path,
		1458	base => $base,
		1459	pkg => $pkg,
		1460	);
		1461
		1462	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1463	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1464
		1465	$ext{source} =
		1466	"package $pkg; use common::sense;\n"
		1467	. "#line 1 \"$path\"\n{\n"
		1468	. $source
		1469	. "\n};\n1";
		1470
		1471	$todo{$base} = \%ext;
		1472	}
		1473
		1474	my $pass = 0;
		1475	my %done;
		1476	while (%todo) {
		1477	my $progress;
		1478
		1479	++$pass;
		1480
		1481	ext:
		1482	while (my ($k, $v) = each %todo) {
		1483	for (split /,\s*/, $v->{meta}{depends}) {
		1484	next ext
		1485	unless exists $done{$_};
		1486	}
		1487
		1488	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1489
		1490	my $active = eval $v->{source};
		1491
		1492	if (length $@) {
		1493	error "$v->{path}: $@\n";
		1494
		1495	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1496	if exists $v->{meta}{mandatory};
		1497
		1498	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1499	delete $todo{$k};
		1500	} else {
		1501	$done{$k} = delete $todo{$k};
		1502	push @EXTS, $v->{pkg};
		1503	$progress = 1;
		1504
		1505	info "$v->{base}: extension inactive.\n"
		1506	unless $active;
		1507	}
928	1	1508	}
929	} or warn "$ext not loaded: $@";	1509
		1510	unless ($progress) {
		1511	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1512
		1513	while (my ($k, $v) = each %todo) {
		1514	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1515	if exists $v->{meta}{mandatory};
		1516	}
		1517	}
		1518	}
930	}	1519	};
931	}	1520	}
932		1521
933	#############################################################################	1522	#############################################################################
934		1523
		1524	=back
		1525
935	=head2 CORE EXTENSIONS	1526	=head2 CORE EXTENSIONS
936		1527
937	Functions and methods that extend core crossfire objects.	1528	Functions and methods that extend core deliantra objects.
938		1529
939	=cut	1530	=cut
940		1531
941	package cf::player;	1532	package cf::player;
942		1533
…		…
944		1535
945	=head3 cf::player	1536	=head3 cf::player
946		1537
947	=over 4	1538	=over 4
948		1539
		1540	=item cf::player::num_playing
		1541
		1542	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1543
		1544	=cut
		1545
		1546	sub num_playing {
		1547	scalar grep
		1548	$_->ob->map
		1549	&& !$_->hidden
		1550	&& !$_->ob->flag (cf::FLAG_WIZ),
		1551	cf::player::list
		1552	}
		1553
949	=item cf::player::find $login	1554	=item cf::player::find $login
950		1555
951	Returns the given player object, loading it if necessary (might block).	1556	Returns the given player object, loading it if necessary (might block).
952		1557
953	=cut	1558	=cut
954		1559
955	sub playerdir($) {	1560	sub playerdir($) {
956	cf::localdir	1561	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1562	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1563	}
962		1564
963	sub path($) {	1565	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1566	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
974		1576
975	sub exists($) {	1577	sub exists($) {
976	my ($login) = @_;	1578	my ($login) = @_;
977		1579
978	$cf::PLAYER{$login}	1580	$cf::PLAYER{$login}
979	or cf::sync_job { !aio_stat path $login }	1581	or !aio_stat path $login
980	}	1582	}
981		1583
982	sub find($) {	1584	sub find($) {
983	return $cf::PLAYER{$_[0]} || do {	1585	return $cf::PLAYER{$_[0]} || do {
984	my $login = $_[0];	1586	my $login = $_[0];
…		…
991	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1593	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
992	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1594	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
993	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1595	aio_unlink +(playerdir $login) . "/$login.pl.pst";
994	aio_unlink +(playerdir $login) . "/$login.pl";	1596	aio_unlink +(playerdir $login) . "/$login.pl";
995		1597
996	my $pl = load_pl path $login	1598	my $f = new_from_file cf::object::thawer path $login
997	or return;	1599	or return;
		1600
		1601	my $pl = cf::player::load_pl $f
		1602	or return;
		1603
		1604	local $cf::PLAYER_LOADING{$login} = $pl;
		1605	$f->resolve_delayed_derefs;
998	$cf::PLAYER{$login} = $pl	1606	$cf::PLAYER{$login} = $pl
999	}	1607	}
1000	}	1608	}
1001	}	1609	}
		1610
		1611	cf::player->attach (
		1612	on_load => sub {
		1613	my ($pl, $path) = @_;
		1614
		1615	# restore slots saved in save, below
		1616	my $slots = delete $pl->{_slots};
		1617
		1618	$pl->ob->current_weapon ($slots->[0]);
		1619	$pl->combat_ob ($slots->[1]);
		1620	$pl->ranged_ob ($slots->[2]);
		1621	},
		1622	);
1002		1623
1003	sub save($) {	1624	sub save($) {
1004	my ($pl) = @_;	1625	my ($pl) = @_;
1005		1626
1006	return if $pl->{deny_save};	1627	return if $pl->{deny_save};
…		…
1011	return if $pl->{deny_save};	1632	return if $pl->{deny_save};
1012		1633
1013	aio_mkdir playerdir $pl, 0770;	1634	aio_mkdir playerdir $pl, 0770;
1014	$pl->{last_save} = $cf::RUNTIME;	1635	$pl->{last_save} = $cf::RUNTIME;
1015		1636
		1637	cf::get_slot 0.01;
		1638
		1639	# save slots, to be restored later
		1640	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1641
1016	$pl->save_pl ($path);	1642	$pl->save_pl ($path);
1017	Coro::cede;	1643	cf::cede_to_tick;
1018	}	1644	}
1019		1645
1020	sub new($) {	1646	sub new($) {
1021	my ($login) = @_;	1647	my ($login) = @_;
1022		1648
…		…
1028	$cf::PLAYER{$login} = $self;	1654	$cf::PLAYER{$login} = $self;
1029		1655
1030	$self	1656	$self
1031	}	1657	}
1032		1658
		1659	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1660
		1661	=cut
		1662
		1663	sub send_msg {
		1664	my $ns = shift->ns
		1665	or return;
		1666	$ns->send_msg (@_);
		1667	}
		1668
1033	=item $pl->quit_character	1669	=item $pl->quit_character
1034		1670
1035	Nukes the player without looking back. If logged in, the connection will	1671	Nukes the player without looking back. If logged in, the connection will
1036	be destroyed. May block for a long time.	1672	be destroyed. May block for a long time.
1037		1673
…		…
1041	my ($pl) = @_;	1677	my ($pl) = @_;
1042		1678
1043	my $name = $pl->ob->name;	1679	my $name = $pl->ob->name;
1044		1680
1045	$pl->{deny_save} = 1;	1681	$pl->{deny_save} = 1;
1046	$pl->password ("*"); # this should lock out the player until we nuked the dir	1682	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1047		1683
1048	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1684	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1049	$pl->deactivate;	1685	$pl->deactivate;
		1686
		1687	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1050	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1688	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1689	ext::highscore::check ($pl->ob);
		1690
1051	$pl->ns->destroy if $pl->ns;	1691	$pl->ns->destroy if $pl->ns;
1052		1692
1053	my $path = playerdir $pl;	1693	my $path = playerdir $pl;
1054	my $temp = "$path~$cf::RUNTIME~deleting~";	1694	my $temp = "$path~$cf::RUNTIME~deleting~";
1055	aio_rename $path, $temp;	1695	aio_rename $path, $temp;
…		…
1084	while and may block, so not sync_job-capable, ever.	1724	while and may block, so not sync_job-capable, ever.
1085		1725
1086	=cut	1726	=cut
1087		1727
1088	sub list_logins {	1728	sub list_logins {
1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1729	my $dirs = aio_readdir $PLAYERDIR
1090	or return [];	1730	or return [];
1091		1731
1092	my @logins;	1732	my @logins;
1093		1733
1094	for my $login (@$dirs) {	1734	for my $login (@$dirs) {
		1735	my $path = path $login;
		1736
		1737	# a .pst is a dead give-away for a valid player
		1738	# if no pst file found, open and chekc for blocked users
		1739	if (aio_stat "$path.pst") {
1095	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1740	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1096	aio_read $fh, 0, 512, my $buf, 0 or next;	1741	aio_read $fh, 0, 512, my $buf, 0 or next;
1097	$buf !~ /^password -------------$/m or next; # official not-valid tag	1742	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1743	}
1098		1744
1099	utf8::decode $login;	1745	utf8::decode $login;
1100	push @logins, $login;	1746	push @logins, $login;
1101	}	1747	}
1102		1748
1103	\@logins	1749	\@logins
1104	}	1750	}
1105		1751
1106	=item $player->maps	1752	=item $player->maps
		1753
		1754	=item cf::player::maps $login
1107		1755
1108	Returns an arrayref of map paths that are private for this	1756	Returns an arrayref of map paths that are private for this
1109	player. May block.	1757	player. May block.
1110		1758
1111	=cut	1759	=cut
…		…
1129	}	1777	}
1130		1778
1131	\@paths	1779	\@paths
1132	}	1780	}
1133		1781
		1782	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1783
		1784	Expand deliantra pod fragments into protocol xml.
		1785
1134	=item $player->ext_reply ($msgid, %msg)	1786	=item $player->ext_reply ($msgid, @msg)
1135		1787
1136	Sends an ext reply to the player.	1788	Sends an ext reply to the player.
1137		1789
1138	=cut	1790	=cut
1139		1791
1140	sub ext_reply($$%) {	1792	sub ext_reply($$@) {
1141	my ($self, $id, %msg) = @_;	1793	my ($self, $id, @msg) = @_;
1142		1794
1143	$msg{msgid} = $id;	1795	$self->ns->ext_reply ($id, @msg)
1144
1145	$self->send ("ext " . cf::to_json \%msg);
1146	}	1796	}
1147		1797
1148	=item $player->ext_event ($type, %msg)	1798	=item $player->ext_msg ($type, @msg)
1149		1799
1150	Sends an ext event to the client.	1800	Sends an ext event to the client.
1151		1801
1152	=cut	1802	=cut
1153		1803
1154	sub ext_event($$%) {	1804	sub ext_msg($$@) {
1155	my ($self, $type, %msg) = @_;	1805	my ($self, $type, @msg) = @_;
1156		1806
1157	$self->ns->ext_event ($type, %msg);	1807	$self->ns->ext_msg ($type, @msg);
1158	}	1808	}
1159		1809
1160	=head3 cf::region	1810	=head3 cf::region
1161		1811
1162	=over 4	1812	=over 4
…		…
1165		1815
1166	package cf::region;	1816	package cf::region;
1167		1817
1168	=item cf::region::find_by_path $path	1818	=item cf::region::find_by_path $path
1169		1819
1170	Tries to decuce the probable region for a map knowing only its path.	1820	Tries to decuce the likely region for a map knowing only its path.
1171		1821
1172	=cut	1822	=cut
1173		1823
1174	sub find_by_path($) {	1824	sub find_by_path($) {
1175	my ($path) = @_;	1825	my ($path) = @_;
1176		1826
		1827	$path =~ s/^~[^\/]*//; # skip ~login
		1828
1177	my ($match, $specificity);	1829	my ($match, $specificity);
1178		1830
1179	for my $region (list) {	1831	for my $region (list) {
1180	if ($region->match && $path =~ $region->match) {	1832	if ($region->{match} && $path =~ $region->{match}) {
1181	($match, $specificity) = ($region, $region->specificity)	1833	($match, $specificity) = ($region, $region->specificity)
1182	if $region->specificity > $specificity;	1834	if $region->specificity > $specificity;
1183	}	1835	}
1184	}	1836	}
1185		1837
…		…
1206	our $MAX_RESET = 3600;	1858	our $MAX_RESET = 3600;
1207	our $DEFAULT_RESET = 3000;	1859	our $DEFAULT_RESET = 3000;
1208		1860
1209	sub generate_random_map {	1861	sub generate_random_map {
1210	my ($self, $rmp) = @_;	1862	my ($self, $rmp) = @_;
1211	# mit "rum" bekleckern, nicht	1863
		1864	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1865
1212	$self->_create_random_map (	1866	$self->_create_random_map ($rmp);
1213	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1214	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1215	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1216	$rmp->{exit_on_final_map},
1217	$rmp->{xsize}, $rmp->{ysize},
1218	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1219	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1220	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1221	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1222	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1223	(cf::region::find $rmp->{region}), $rmp->{custom}
1224	)
1225	}	1867	}
1226		1868
1227	=item cf::map->register ($regex, $prio)	1869	=item cf::map->register ($regex, $prio)
1228		1870
1229	Register a handler for the map path matching the given regex at the	1871	Register a handler for the map path matching the given regex at the
…		…
1234		1876
1235	sub register {	1877	sub register {
1236	my (undef, $regex, $prio) = @_;	1878	my (undef, $regex, $prio) = @_;
1237	my $pkg = caller;	1879	my $pkg = caller;
1238		1880
1239	no strict;
1240	push @{"$pkg\::ISA"}, __PACKAGE__;	1881	push @{"$pkg\::ISA"}, __PACKAGE__;
1241		1882
1242	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1883	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1243	}	1884	}
1244		1885
1245	# also paths starting with '/'	1886	# also paths starting with '/'
1246	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1887	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1247		1888
1248	sub thawer_merge {	1889	sub thawer_merge {
1249	my ($self, $merge) = @_;	1890	my ($self, $merge) = @_;
1250		1891
1251	# we have to keep some variables in memory intact	1892	# we have to keep some variables in memory intact
1252	local $self->{path};	1893	local $self->{path};
1253	local $self->{load_path};	1894	local $self->{load_path};
1254	local $self->{deny_save};
1255	local $self->{deny_reset};
1256		1895
1257	$self->SUPER::thawer_merge ($merge);	1896	$self->SUPER::thawer_merge ($merge);
1258	}	1897	}
1259		1898
1260	sub normalise {	1899	sub normalise {
1261	my ($path, $base) = @_;	1900	my ($path, $base) = @_;
1262		1901
1263	$path = "$path"; # make sure its a string	1902	$path = "$path"; # make sure it's a string
1264		1903
1265	$path =~ s/\.map$//;	1904	$path =~ s/\.map$//;
1266		1905
1267	# map plan:	1906	# map plan:
1268	#	1907	#
…		…
1283	$base =~ s{[^/]+/?$}{};	1922	$base =~ s{[^/]+/?$}{};
1284	$path = "$base/$path";	1923	$path = "$base/$path";
1285	}	1924	}
1286		1925
1287	for ($path) {	1926	for ($path) {
1288	redo if s{//}{/};
1289	redo if s{/\.?/}{/};	1927	redo if s{/\.?/}{/};
1290	redo if s{/[^/]+/\.\./}{/};	1928	redo if s{/[^/]+/\.\./}{/};
1291	}	1929	}
1292		1930
1293	$path	1931	$path
…		…
1307	$self->init; # pass $1 etc.	1945	$self->init; # pass $1 etc.
1308	return $self;	1946	return $self;
1309	}	1947	}
1310	}	1948	}
1311		1949
1312	Carp::carp "unable to resolve path '$path' (base '$base').";	1950	Carp::cluck "unable to resolve path '$path' (base '$base')";
1313	()	1951	()
1314	}	1952	}
1315		1953
1316	sub init {	1954	sub init {
1317	my ($self) = @_;	1955	my ($self) = @_;
…		…
1332		1970
1333	# the original (read-only) location	1971	# the original (read-only) location
1334	sub load_path {	1972	sub load_path {
1335	my ($self) = @_;	1973	my ($self) = @_;
1336		1974
1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1975	"$MAPDIR/$self->{path}.map"
1338	}	1976	}
1339		1977
1340	# the temporary/swap location	1978	# the temporary/swap location
1341	sub save_path {	1979	sub save_path {
1342	my ($self) = @_;	1980	my ($self) = @_;
1343		1981
1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1982	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1983	"$TMPDIR/$path.map"
1346	}	1984	}
1347		1985
1348	# the unique path, undef == no special unique path	1986	# the unique path, undef == no special unique path
1349	sub uniq_path {	1987	sub uniq_path {
1350	my ($self) = @_;	1988	my ($self) = @_;
1351		1989
1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1990	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1991	"$UNIQUEDIR/$path"
1354	}	1992	}
1355		1993
1356	# and all this just because we cannot iterate over	1994	sub decay_objects {
1357	# all maps in C++...
1358	sub change_all_map_light {
1359	my ($change) = @_;	1995	my ($self) = @_;
1360		1996
1361	$_->change_map_light ($change)	1997	return if $self->{deny_reset};
1362	for grep $_->outdoor, values %cf::MAP;	1998
		1999	$self->do_decay_objects;
1363	}	2000	}
1364		2001
1365	sub unlink_save {	2002	sub unlink_save {
1366	my ($self) = @_;	2003	my ($self) = @_;
1367		2004
…		…
1372		2009
1373	sub load_header_from($) {	2010	sub load_header_from($) {
1374	my ($self, $path) = @_;	2011	my ($self, $path) = @_;
1375		2012
1376	utf8::encode $path;	2013	utf8::encode $path;
1377	#aio_open $path, O_RDONLY, 0	2014	my $f = new_from_file cf::object::thawer $path
1378	# or return;
1379
1380	$self->_load_header ($path)
1381	or return;	2015	or return;
		2016
		2017	$self->_load_header ($f)
		2018	or return;
		2019
		2020	local $MAP_LOADING{$self->{path}} = $self;
		2021	$f->resolve_delayed_derefs;
1382		2022
1383	$self->{load_path} = $path;	2023	$self->{load_path} = $path;
1384		2024
1385	1	2025	1
1386	}	2026	}
…		…
1425	$self->load_header_orig	2065	$self->load_header_orig
1426	or return;	2066	or return;
1427	$self->prepare_orig;	2067	$self->prepare_orig;
1428	}	2068	}
1429		2069
		2070	$self->{deny_reset} = 1
		2071	if $self->no_reset;
		2072
1430	$self->default_region (cf::region::find_by_path $self->{path})	2073	$self->default_region (cf::region::find_by_path $self->{path})
1431	unless $self->default_region;	2074	unless $self->default_region;
1432		2075
1433	1	2076	1
1434	}	2077	}
1435		2078
1436	sub find;	2079	sub find;
1437	sub find {	2080	sub find {
1438	my ($path, $origin) = @_;	2081	my ($path, $origin) = @_;
1439		2082
		2083	cf::cede_to_tick;
		2084
1440	$path = normalise $path, $origin && $origin->path;	2085	$path = normalise $path, $origin && $origin->path;
1441		2086
		2087	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1442	cf::lock_wait "map_find:$path";	2088	my $guard2 = cf::lock_acquire "map_find:$path";
1443		2089
1444	$cf::MAP{$path} || do {	2090	$cf::MAP{$path} || do {
1445	my $guard = cf::lock_acquire "map_find:$path";
1446	my $map = new_from_path cf::map $path	2091	my $map = new_from_path cf::map $path
1447	or return;	2092	or return;
1448		2093
1449	$map->{last_save} = $cf::RUNTIME;	2094	$map->{last_save} = $cf::RUNTIME;
1450		2095
1451	$map->load_header	2096	$map->load_header
1452	or return;	2097	or return;
1453		2098
1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2099	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455	# doing this can freeze the server in a sync job, obviously	2100	# doing this can freeze the server in a sync job, obviously
1456	#$cf::WAIT_FOR_TICK->wait;	2101	#$cf::WAIT_FOR_TICK->wait;
		2102	undef $guard2;
		2103	undef $guard1;
1457	$map->reset;	2104	$map->reset;
1458	undef $guard;
1459	return find $path;	2105	return find $path;
1460	}	2106	}
1461		2107
1462	$cf::MAP{$path} = $map	2108	$cf::MAP{$path} = $map
1463	}	2109	}
1464	}	2110	}
1465		2111
1466	sub pre_load { }	2112	sub pre_load { }
1467	sub post_load { }	2113	#sub post_load { } # XS
1468		2114
1469	sub load {	2115	sub load {
1470	my ($self) = @_;	2116	my ($self) = @_;
1471		2117
1472	local $self->{deny_reset} = 1; # loading can take a long time	2118	local $self->{deny_reset} = 1; # loading can take a long time
1473		2119
1474	my $path = $self->{path};	2120	my $path = $self->{path};
		2121
		2122	{
1475	my $guard = cf::lock_acquire "map_load:$path";	2123	my $guard = cf::lock_acquire "map_data:$path";
1476		2124
		2125	return unless $self->valid;
1477	return if $self->in_memory != cf::MAP_SWAPPED;	2126	return unless $self->in_memory == cf::MAP_SWAPPED;
1478		2127
1479	$self->in_memory (cf::MAP_LOADING);	2128	$self->in_memory (cf::MAP_LOADING);
1480		2129
1481	$self->alloc;	2130	$self->alloc;
1482		2131
1483	$self->pre_load;	2132	$self->pre_load;
1484	Coro::cede;	2133	cf::cede_to_tick;
1485		2134
1486	$self->_load_objects ($self->{load_path}, 1)	2135	my $f = new_from_file cf::object::thawer $self->{load_path};
		2136	$f->skip_block;
		2137	$self->_load_objects ($f)
1487	or return;	2138	or return;
1488		2139
1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2140	$self->post_load_original
1490	if delete $self->{load_original};	2141	if delete $self->{load_original};
1491		2142
1492	if (my $uniq = $self->uniq_path) {	2143	if (my $uniq = $self->uniq_path) {
1493	utf8::encode $uniq;	2144	utf8::encode $uniq;
1494	if (aio_open $uniq, O_RDONLY, 0) {	2145	unless (aio_stat $uniq) {
		2146	if (my $f = new_from_file cf::object::thawer $uniq) {
1495	$self->clear_unique_items;	2147	$self->clear_unique_items;
1496	$self->_load_objects ($uniq, 0);	2148	$self->_load_objects ($f);
		2149	$f->resolve_delayed_derefs;
		2150	}
1497	}	2151	}
1498	}	2152	}
1499		2153
1500	Coro::cede;	2154	$f->resolve_delayed_derefs;
		2155
		2156	cf::cede_to_tick;
1501	# now do the right thing for maps	2157	# now do the right thing for maps
1502	$self->link_multipart_objects;	2158	$self->link_multipart_objects;
1503	Coro::cede;
1504
1505	unless ($self->{deny_activate}) {
1506	$self->decay_objects;
1507	$self->fix_auto_apply;
1508	$self->update_buttons;
1509	Coro::cede;
1510	$self->set_darkness_map;
1511	$self->difficulty ($self->estimate_difficulty)	2159	$self->difficulty ($self->estimate_difficulty)
1512	unless $self->difficulty;	2160	unless $self->difficulty;
1513	Coro::cede;	2161	cf::cede_to_tick;
		2162
		2163	unless ($self->{deny_activate}) {
		2164	$self->decay_objects;
		2165	$self->fix_auto_apply;
		2166	$self->update_buttons;
		2167	cf::cede_to_tick;
1514	$self->activate;	2168	$self->activate;
1515	Coro::cede;	2169	}
		2170
		2171	$self->{last_save} = $cf::RUNTIME;
		2172	$self->last_access ($cf::RUNTIME);
		2173
		2174	$self->in_memory (cf::MAP_ACTIVE);
1516	}	2175	}
1517		2176
1518	$self->post_load;	2177	$self->post_load;
1519	Coro::cede;
1520		2178
1521	$self->in_memory (cf::MAP_IN_MEMORY);	2179	1
1522	}	2180	}
1523		2181
		2182	# customize the map for a given player, i.e.
		2183	# return the _real_ map. used by e.g. per-player
		2184	# maps to change the path to ~playername/mappath
1524	sub customise_for {	2185	sub customise_for {
1525	my ($self, $ob) = @_;	2186	my ($self, $ob) = @_;
1526		2187
1527	return find "~" . $ob->name . "/" . $self->{path}	2188	return find "~" . $ob->name . "/" . $self->{path}
1528	if $self->per_player;	2189	if $self->per_player;
1529		2190
		2191	# return find "?party/" . $ob->name . "/" . $self->{path}
		2192	# if $self->per_party;
		2193
1530	$self	2194	$self
1531	}	2195	}
1532		2196
1533	# find and load all maps in the 3x3 area around a map	2197	# find and load all maps in the 3x3 area around a map
1534	sub load_diag {	2198	sub load_neighbours {
1535	my ($map) = @_;	2199	my ($map) = @_;
1536		2200
1537	my @diag; # diagonal neighbours	2201	my @neigh; # diagonal neighbours
1538		2202
1539	for (0 .. 3) {	2203	for (0 .. 3) {
1540	my $neigh = $map->tile_path ($_)	2204	my $neigh = $map->tile_path ($_)
1541	or next;	2205	or next;
1542	$neigh = find $neigh, $map	2206	$neigh = find $neigh, $map
1543	or next;	2207	or next;
1544	$neigh->load;	2208	$neigh->load;
1545		2209
		2210	# now find the diagonal neighbours
		2211	push @neigh,
1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2212	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2213	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1548	}	2214	}
1549		2215
1550	for (@diag) {	2216	for (grep defined $_->[0], @neigh) {
		2217	my ($path, $origin) = @$_;
1551	my $neigh = find @$_	2218	my $neigh = find $path, $origin
1552	or next;	2219	or next;
1553	$neigh->load;	2220	$neigh->load;
1554	}	2221	}
1555	}	2222	}
1556		2223
1557	sub find_sync {	2224	sub find_sync {
1558	my ($path, $origin) = @_;	2225	my ($path, $origin) = @_;
1559		2226
1560	cf::sync_job { find $path, $origin }	2227	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2228	if $Coro::current == $Coro::main;
		2229
		2230	find $path, $origin
1561	}	2231	}
1562		2232
1563	sub do_load_sync {	2233	sub do_load_sync {
1564	my ($map) = @_;	2234	my ($map) = @_;
1565		2235
1566	cf::sync_job { $map->load };	2236	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2237	if $Coro::current == $Coro::main;
		2238
		2239	$map->load;
1567	}	2240	}
1568		2241
1569	our %MAP_PREFETCH;	2242	our %MAP_PREFETCH;
1570	our $MAP_PREFETCHER = undef;	2243	our $MAP_PREFETCHER = undef;
1571		2244
1572	sub find_async {	2245	sub find_async {
1573	my ($path, $origin) = @_;	2246	my ($path, $origin, $load) = @_;
1574		2247
1575	$path = normalise $path, $origin && $origin->{path};	2248	$path = normalise $path, $origin && $origin->{path};
1576		2249
1577	if (my $map = $cf::MAP{$path}) {	2250	if (my $map = $cf::MAP{$path}) {
1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2251	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1579	}	2252	}
1580		2253
1581	undef $MAP_PREFETCH{$path};	2254	$MAP_PREFETCH{$path} |= $load;
		2255
1582	$MAP_PREFETCHER ||= cf::async {	2256	$MAP_PREFETCHER ||= cf::async {
		2257	$Coro::current->{desc} = "map prefetcher";
		2258
1583	while (%MAP_PREFETCH) {	2259	while (%MAP_PREFETCH) {
1584	for my $path (keys %MAP_PREFETCH) {	2260	while (my ($k, $v) = each %MAP_PREFETCH) {
1585	my $map = find $path	2261	if (my $map = find $k) {
1586	or next;
1587	$map->load;	2262	$map->load if $v;
		2263	}
1588		2264
1589	delete $MAP_PREFETCH{$path};	2265	delete $MAP_PREFETCH{$k};
1590	}	2266	}
1591	}	2267	}
1592	undef $MAP_PREFETCHER;	2268	undef $MAP_PREFETCHER;
1593	};	2269	};
1594	$MAP_PREFETCHER->prio (6);	2270	$MAP_PREFETCHER->prio (6);
1595		2271
1596	()	2272	()
1597	}	2273	}
1598		2274
		2275	# common code, used by both ->save and ->swapout
1599	sub save {	2276	sub _save {
1600	my ($self) = @_;	2277	my ($self) = @_;
1601
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;
1603		2278
1604	$self->{last_save} = $cf::RUNTIME;	2279	$self->{last_save} = $cf::RUNTIME;
1605		2280
1606	return unless $self->dirty;	2281	return unless $self->dirty;
1607		2282
…		…
1613	return if $self->{deny_save};	2288	return if $self->{deny_save};
1614		2289
1615	local $self->{last_access} = $self->last_access;#d#	2290	local $self->{last_access} = $self->last_access;#d#
1616		2291
1617	cf::async {	2292	cf::async {
		2293	$Coro::current->{desc} = "map player save";
1618	$_->contr->save for $self->players;	2294	$_->contr->save for $self->players;
1619	};	2295	};
		2296
		2297	cf::get_slot 0.02;
1620		2298
1621	if ($uniq) {	2299	if ($uniq) {
1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2300	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1623	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2301	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1624	} else {	2302	} else {
1625	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2303	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1626	}	2304	}
1627	}	2305	}
1628		2306
		2307	sub save {
		2308	my ($self) = @_;
		2309
		2310	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2311
		2312	$self->_save;
		2313	}
		2314
1629	sub swap_out {	2315	sub swap_out {
1630	my ($self) = @_;	2316	my ($self) = @_;
1631		2317
1632	# save first because save cedes
1633	$self->save;
1634
1635	my $lock = cf::lock_acquire "map_data:" . $self->path;	2318	my $lock = cf::lock_acquire "map_data:$self->{path}";
1636		2319
		2320	return if $self->in_memory != cf::MAP_ACTIVE;
		2321	return if $self->{deny_save};
1637	return if $self->players;	2322	return if $self->players;
1638	return if $self->in_memory != cf::MAP_IN_MEMORY;
1639	return if $self->{deny_save};
1640		2323
		2324	# first deactivate the map and "unlink" it from the core
		2325	$self->deactivate;
		2326	$_->clear_links_to ($self) for values %cf::MAP;
		2327	$self->in_memory (cf::MAP_SWAPPED);
		2328
		2329	# then atomically save
		2330	$self->_save;
		2331
		2332	# then free the map
1641	$self->clear;	2333	$self->clear;
1642	$self->in_memory (cf::MAP_SWAPPED);
1643	}	2334	}
1644		2335
1645	sub reset_at {	2336	sub reset_at {
1646	my ($self) = @_;	2337	my ($self) = @_;
1647		2338
1648	# TODO: safety, remove and allow resettable per-player maps	2339	# TODO: safety, remove and allow resettable per-player maps
1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
1650	return 1e99 if $self->{deny_reset};	2340	return 1e99 if $self->{deny_reset};
1651		2341
1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2342	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2343	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654		2344
…		…
1665	my ($self) = @_;	2355	my ($self) = @_;
1666		2356
1667	my $lock = cf::lock_acquire "map_data:$self->{path}";	2357	my $lock = cf::lock_acquire "map_data:$self->{path}";
1668		2358
1669	return if $self->players;	2359	return if $self->players;
1670	return if $self->isa ("ext::map_per_player");#d#
1671		2360
1672	warn "resetting map ", $self->path;#d#	2361	cf::trace "resetting map ", $self->path, "\n";
1673		2362
1674	$self->in_memory (cf::MAP_SWAPPED);	2363	$self->in_memory (cf::MAP_SWAPPED);
1675		2364
1676	# need to save uniques path	2365	# need to save uniques path
1677	unless ($self->{deny_save}) {	2366	unless ($self->{deny_save}) {
…		…
1681	if $uniq;	2370	if $uniq;
1682	}	2371	}
1683		2372
1684	delete $cf::MAP{$self->path};	2373	delete $cf::MAP{$self->path};
1685		2374
		2375	$self->deactivate;
		2376	$_->clear_links_to ($self) for values %cf::MAP;
1686	$self->clear;	2377	$self->clear;
1687
1688	$_->clear_links_to ($self) for values %cf::MAP;
1689		2378
1690	$self->unlink_save;	2379	$self->unlink_save;
1691	$self->destroy;	2380	$self->destroy;
1692	}	2381	}
1693		2382
1694	my $nuke_counter = "aaaa";	2383	my $nuke_counter = "aaaa";
1695		2384
1696	sub nuke {	2385	sub nuke {
1697	my ($self) = @_;	2386	my ($self) = @_;
1698		2387
		2388	{
		2389	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2390
1699	delete $cf::MAP{$self->path};	2391	delete $cf::MAP{$self->path};
1700		2392
1701	$self->unlink_save;	2393	$self->unlink_save;
1702		2394
1703	bless $self, "cf::map";	2395	bless $self, "cf::map::wrap";
1704	delete $self->{deny_reset};	2396	delete $self->{deny_reset};
1705	$self->{deny_save} = 1;	2397	$self->{deny_save} = 1;
1706	$self->reset_timeout (1);	2398	$self->reset_timeout (1);
1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2399	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708		2400
1709	$cf::MAP{$self->path} = $self;	2401	$cf::MAP{$self->path} = $self;
		2402	}
1710		2403
1711	$self->reset; # polite request, might not happen	2404	$self->reset; # polite request, might not happen
		2405	}
		2406
		2407	=item $maps = cf::map::tmp_maps
		2408
		2409	Returns an arrayref with all map paths of currently instantiated and saved
		2410	maps. May block.
		2411
		2412	=cut
		2413
		2414	sub tmp_maps() {
		2415	[
		2416	map {
		2417	utf8::decode $_;
		2418	/\.map$/
		2419	? normalise $_
		2420	: ()
		2421	} @{ aio_readdir $TMPDIR or [] }
		2422	]
		2423	}
		2424
		2425	=item $maps = cf::map::random_maps
		2426
		2427	Returns an arrayref with all map paths of currently instantiated and saved
		2428	random maps. May block.
		2429
		2430	=cut
		2431
		2432	sub random_maps() {
		2433	[
		2434	map {
		2435	utf8::decode $_;
		2436	/\.map$/
		2437	? normalise "?random/$_"
		2438	: ()
		2439	} @{ aio_readdir $RANDOMDIR or [] }
		2440	]
1712	}	2441	}
1713		2442
1714	=item cf::map::unique_maps	2443	=item cf::map::unique_maps
1715		2444
1716	Returns an arrayref of paths of all shared maps that have	2445	Returns an arrayref of paths of all shared maps that have
1717	instantiated unique items. May block.	2446	instantiated unique items. May block.
1718		2447
1719	=cut	2448	=cut
1720		2449
1721	sub unique_maps() {	2450	sub unique_maps() {
1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2451	[
1723	or return;	2452	map {
1724
1725	my @paths;
1726
1727	for (@$files) {
1728	utf8::decode $_;	2453	utf8::decode $_;
1729	next if /\.pst$/;	2454	s/\.map$//; # TODO future compatibility hack
1730	next unless /^$PATH_SEP/o;	2455	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1731		2456	? ()
1732	push @paths, cf::map::normalise $_;	2457	: normalise $_
		2458	} @{ aio_readdir $UNIQUEDIR or [] }
1733	}	2459	]
1734
1735	\@paths
1736	}	2460	}
1737		2461
1738	package cf;	2462	=item cf::map::static_maps
		2463
		2464	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2465	file in the shared directory excluding F</styles> and F</editor>). May
		2466	block.
		2467
		2468	=cut
		2469
		2470	sub static_maps() {
		2471	my @dirs = "";
		2472	my @maps;
		2473
		2474	while (@dirs) {
		2475	my $dir = shift @dirs;
		2476
		2477	next if $dir eq "/styles" || $dir eq "/editor";
		2478
		2479	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2480	or return;
		2481
		2482	for (@$files) {
		2483	s/\.map$// or next;
		2484	utf8::decode $_;
		2485	push @maps, "$dir/$_";
		2486	}
		2487
		2488	push @dirs, map "$dir/$_", @$dirs;
		2489	}
		2490
		2491	\@maps
		2492	}
1739		2493
1740	=back	2494	=back
1741		2495
1742	=head3 cf::object	2496	=head3 cf::object
1743		2497
…		…
1747		2501
1748	=over 4	2502	=over 4
1749		2503
1750	=item $ob->inv_recursive	2504	=item $ob->inv_recursive
1751		2505
1752	Returns the inventory of the object _and_ their inventories, recursively.	2506	Returns the inventory of the object I<and> their inventories, recursively,
		2507	but I<not> the object itself.
1753		2508
1754	=cut	2509	=cut
1755		2510
1756	sub inv_recursive_;	2511	sub inv_recursive_;
1757	sub inv_recursive_ {	2512	sub inv_recursive_ {
…		…
1760		2515
1761	sub inv_recursive {	2516	sub inv_recursive {
1762	inv_recursive_ inv $_[0]	2517	inv_recursive_ inv $_[0]
1763	}	2518	}
1764		2519
		2520	=item $ref = $ob->ref
		2521
		2522	Creates and returns a persistent reference to an object that can be stored as a string.
		2523
		2524	=item $ob = cf::object::deref ($refstring)
		2525
		2526	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2527	even if the object actually exists. May block.
		2528
		2529	=cut
		2530
		2531	sub deref {
		2532	my ($ref) = @_;
		2533
		2534	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2535	my ($uuid, $name) = ($1, $2);
		2536	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2537	or return;
		2538	$pl->ob->uuid eq $uuid
		2539	or return;
		2540
		2541	$pl->ob
		2542	} else {
		2543	warn "$ref: cannot resolve object reference\n";
		2544	undef
		2545	}
		2546	}
		2547
1765	package cf;	2548	package cf;
1766		2549
1767	=back	2550	=back
1768		2551
1769	=head3 cf::object::player	2552	=head3 cf::object::player
…		…
1775	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2558	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1776	can be C<undef>. Does the right thing when the player is currently in a	2559	can be C<undef>. Does the right thing when the player is currently in a
1777	dialogue with the given NPC character.	2560	dialogue with the given NPC character.
1778		2561
1779	=cut	2562	=cut
		2563
		2564	our $SAY_CHANNEL = {
		2565	id => "say",
		2566	title => "Map",
		2567	reply => "say ",
		2568	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2569	};
		2570
		2571	our $CHAT_CHANNEL = {
		2572	id => "chat",
		2573	title => "Chat",
		2574	reply => "chat ",
		2575	tooltip => "Player chat and shouts, global to the server.",
		2576	};
1780		2577
1781	# rough implementation of a future "reply" method that works	2578	# rough implementation of a future "reply" method that works
1782	# with dialog boxes.	2579	# with dialog boxes.
1783	#TODO: the first argument must go, split into a $npc->reply_to ( method	2580	#TODO: the first argument must go, split into a $npc->reply_to ( method
1784	sub cf::object::player::reply($$$;$) {	2581	sub cf::object::player::reply($$$;$) {
…		…
1786		2583
1787	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2584	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788		2585
1789	if ($self->{record_replies}) {	2586	if ($self->{record_replies}) {
1790	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2587	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2588
1791	} else {	2589	} else {
		2590	my $pl = $self->contr;
		2591
		2592	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2593	my $dialog = $pl->{npc_dialog};
		2594	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2595
		2596	} else {
1792	$msg = $npc->name . " says: $msg" if $npc;	2597	$msg = $npc->name . " says: $msg" if $npc;
1793	$self->message ($msg, $flags);	2598	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2599	}
1794	}	2600	}
		2601	}
		2602
		2603	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2604
		2605	=cut
		2606
		2607	sub cf::object::send_msg {
		2608	my $pl = shift->contr
		2609	or return;
		2610	$pl->send_msg (@_);
1795	}	2611	}
1796		2612
1797	=item $player_object->may ("access")	2613	=item $player_object->may ("access")
1798		2614
1799	Returns wether the given player is authorized to access resource "access"	2615	Returns wether the given player is authorized to access resource "access"
…		…
1812		2628
1813	=item $player_object->enter_link	2629	=item $player_object->enter_link
1814		2630
1815	Freezes the player and moves him/her to a special map (C<{link}>).	2631	Freezes the player and moves him/her to a special map (C<{link}>).
1816		2632
1817	The player should be reasonably safe there for short amounts of time. You	2633	The player should be reasonably safe there for short amounts of time (e.g.
1818	I<MUST> call C<leave_link> as soon as possible, though.	2634	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2635	though, as the player cannot control the character while it is on the link
		2636	map.
1819		2637
1820	Will never block.	2638	Will never block.
1821		2639
1822	=item $player_object->leave_link ($map, $x, $y)	2640	=item $player_object->leave_link ($map, $x, $y)
1823		2641
…		…
1843	sub cf::object::player::enter_link {	2661	sub cf::object::player::enter_link {
1844	my ($self) = @_;	2662	my ($self) = @_;
1845		2663
1846	$self->deactivate_recursive;	2664	$self->deactivate_recursive;
1847		2665
		2666	++$self->{_link_recursion};
		2667
1848	return if UNIVERSAL::isa $self->map, "ext::map_link";	2668	return if UNIVERSAL::isa $self->map, "ext::map_link";
1849		2669
1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2670	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851	if $self->map;	2671	if $self->map && $self->map->{path} ne "{link}";
1852		2672
1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2673	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1854	}	2674	}
1855		2675
1856	sub cf::object::player::leave_link {	2676	sub cf::object::player::leave_link {
1857	my ($self, $map, $x, $y) = @_;	2677	my ($self, $map, $x, $y) = @_;
		2678
		2679	return unless $self->contr->active;
1858		2680
1859	my $link_pos = delete $self->{_link_pos};	2681	my $link_pos = delete $self->{_link_pos};
1860		2682
1861	unless ($map) {	2683	unless ($map) {
1862	# restore original map position	2684	# restore original map position
…		…
1873	($x, $y) = (-1, -1)	2695	($x, $y) = (-1, -1)
1874	unless (defined $x) && (defined $y);	2696	unless (defined $x) && (defined $y);
1875		2697
1876	# use -1 or undef as default coordinates, not 0, 0	2698	# use -1 or undef as default coordinates, not 0, 0
1877	($x, $y) = ($map->enter_x, $map->enter_y)	2699	($x, $y) = ($map->enter_x, $map->enter_y)
1878	if $x <=0 && $y <= 0;	2700	if $x <= 0 && $y <= 0;
1879		2701
1880	$map->load;	2702	$map->load;
1881	$map->load_diag;	2703	$map->load_neighbours;
1882		2704
1883	return unless $self->contr->active;	2705	return unless $self->contr->active;
1884	$self->activate_recursive;
1885		2706
1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2707	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887	$self->enter_map ($map, $x, $y);	2708	if ($self->enter_map ($map, $x, $y)) {
1888	}	2709	# entering was successful
1889		2710	delete $self->{_link_recursion};
1890	cf::player->attach (	2711	# only activate afterwards, to support waiting in hooks
1891	on_logout => sub {	2712	$self->activate_recursive;
1892	my ($pl) = @_;
1893
1894	# abort map switching before logout
1895	if ($pl->ob->{_link_pos}) {
1896	cf::sync_job {
1897	$pl->ob->leave_link
1898	};
1899	}
1900	},	2713	}
1901	on_login => sub {
1902	my ($pl) = @_;
1903		2714
1904	# try to abort aborted map switching on player login :)	2715	}
1905	# should happen only on crashes
1906	if ($pl->ob->{_link_pos}) {
1907	$pl->ob->enter_link;
1908	(async {
1909	$pl->ob->reply (undef,
1910	"There was an internal problem at your last logout, "
1911	. "the server will try to bring you to your intended destination in a second.",
1912	cf::NDI_RED);
1913	# we need this sleep as the login has a concurrent enter_exit running
1914	# and this sleep increases chances of the player not ending up in scorn
1915	Coro::Timer::sleep 1;
1916	$pl->ob->leave_link;
1917	})->prio (2);
1918	}
1919	},
1920	);
1921		2716
1922	=item $player_object->goto ($path, $x, $y)	2717	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1923		2718
		2719	Moves the player to the given map-path and coordinates by first freezing
		2720	her, loading and preparing them map, calling the provided $check callback
		2721	that has to return the map if sucecssful, and then unfreezes the player on
		2722	the new (success) or old (failed) map position. In either case, $done will
		2723	be called at the end of this process.
		2724
		2725	Note that $check will be called with a potentially non-loaded map, so if
		2726	it needs a loaded map it has to call C<< ->load >>.
		2727
1924	=cut	2728	=cut
		2729
		2730	our $GOTOGEN;
1925		2731
1926	sub cf::object::player::goto {	2732	sub cf::object::player::goto {
1927	my ($self, $path, $x, $y) = @_;	2733	my ($self, $path, $x, $y, $check, $done) = @_;
		2734
		2735	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2736	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2737	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2738	($path, $x, $y) = @$EMERGENCY_POSITION;
		2739	}
		2740
		2741	# do generation counting so two concurrent goto's will be executed in-order
		2742	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1928		2743
1929	$self->enter_link;	2744	$self->enter_link;
1930		2745
1931	(async {	2746	(async {
		2747	$Coro::current->{desc} = "player::goto $path $x $y";
		2748
		2749	# *tag paths override both path and x|y
		2750	if ($path =~ /^\*(.*)$/) {
		2751	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2752	my $ob = $obs[rand @obs];
		2753
		2754	# see if we actually can go there
		2755	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2756	$ob = $obs[rand @obs];
		2757	} else {
		2758	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2759	}
		2760	# else put us there anyways for now #d#
		2761
		2762	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2763	} else {
		2764	($path, $x, $y) = (undef, undef, undef);
		2765	}
		2766	}
		2767
1932	my $map = eval {	2768	my $map = eval {
1933	my $map = cf::map::find $path;	2769	my $map = defined $path ? cf::map::find $path : undef;
		2770
		2771	if ($map) {
1934	$map = $map->customise_for ($self) if $map;	2772	$map = $map->customise_for ($self);
		2773	$map = $check->($map, $x, $y, $self) if $check && $map;
		2774	} else {
		2775	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2776	}
		2777
1935	$map	2778	$map
		2779	};
		2780
		2781	if ($@) {
		2782	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2783	LOG llevError | logBacktrace, Carp::longmess $@;
1936	} or	2784	}
1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938		2785
		2786	if ($gen == $self->{_goto_generation}) {
		2787	delete $self->{_goto_generation};
1939	$self->leave_link ($map, $x, $y);	2788	$self->leave_link ($map, $x, $y);
		2789	}
		2790
		2791	$done->($self) if $done;
1940	})->prio (1);	2792	})->prio (1);
1941	}	2793	}
1942		2794
1943	=item $player_object->enter_exit ($exit_object)	2795	=item $player_object->enter_exit ($exit_object)
1944		2796
…		…
1964	}	2816	}
1965		2817
1966	sub prepare_random_map {	2818	sub prepare_random_map {
1967	my ($exit) = @_;	2819	my ($exit) = @_;
1968		2820
1969	my $guard = cf::lock_acquire "exit_prepare:$exit";
1970
1971	# all this does is basically replace the /! path by	2821	# all this does is basically replace the /! path by
1972	# a new random map path (?random/...) with a seed	2822	# a new random map path (?random/...) with a seed
1973	# that depends on the exit object	2823	# that depends on the exit object
1974		2824
1975	my $rmp = parse_random_map_params $exit->msg;	2825	my $rmp = parse_random_map_params $exit->msg;
…		…
1977	if ($exit->map) {	2827	if ($exit->map) {
1978	$rmp->{region} = $exit->region->name;	2828	$rmp->{region} = $exit->region->name;
1979	$rmp->{origin_map} = $exit->map->path;	2829	$rmp->{origin_map} = $exit->map->path;
1980	$rmp->{origin_x} = $exit->x;	2830	$rmp->{origin_x} = $exit->x;
1981	$rmp->{origin_y} = $exit->y;	2831	$rmp->{origin_y} = $exit->y;
		2832
		2833	$exit->map->touch;
1982	}	2834	}
1983		2835
1984	$rmp->{random_seed} ||= $exit->random_seed;	2836	$rmp->{random_seed} ||= $exit->random_seed;
1985		2837
1986	my $data = cf::to_json $rmp;	2838	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1987	my $md5 = Digest::MD5::md5_hex $data;	2839	my $md5 = Digest::MD5::md5_hex $data;
1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2840	my $meta = "$RANDOMDIR/$md5.meta";
1989		2841
1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2842	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991	aio_write $fh, 0, (length $data), $data, 0;	2843	aio_write $fh, 0, (length $data), $data, 0;
1992	undef $fh;	2844	undef $fh;
1993	aio_rename "$meta~", $meta;	2845	aio_rename "$meta~", $meta;
1994		2846
		2847	my $slaying = "?random/$md5";
		2848
		2849	if ($exit->valid) {
1995	$exit->slaying ("?random/$md5");	2850	$exit->slaying ("?random/$md5");
1996	$exit->msg (undef);	2851	$exit->msg (undef);
		2852	}
1997	}	2853	}
1998	}	2854	}
1999		2855
2000	sub cf::object::player::enter_exit {	2856	sub cf::object::player::enter_exit {
2001	my ($self, $exit) = @_;	2857	my ($self, $exit) = @_;
2002		2858
2003	return unless $self->type == cf::PLAYER;	2859	return unless $self->type == cf::PLAYER;
2004		2860
2005	if ($exit->slaying eq "/!") {
2006	#TODO: this should de-fi-ni-te-ly not be a sync-job
2007	# the problem is that $exit might not survive long enough
2008	# so it needs to be done right now, right here
2009	cf::sync_job { prepare_random_map $exit };
2010	}
2011
2012	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2013	my $hp = $exit->stats->hp;
2014	my $sp = $exit->stats->sp;
2015
2016	$self->enter_link;	2861	$self->enter_link;
2017		2862
2018	(async {	2863	(async {
2019	$self->deactivate_recursive; # just to be sure	2864	$Coro::current->{desc} = "enter_exit";
		2865
2020	unless (eval {	2866	unless (eval {
		2867	$self->deactivate_recursive; # just to be sure
		2868
		2869	# random map handling
		2870	{
		2871	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2872
		2873	prepare_random_map $exit
		2874	if $exit->slaying eq "/!";
		2875	}
		2876
		2877	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2878	my $x = $exit->stats->hp;
		2879	my $y = $exit->stats->sp;
		2880
2021	$self->goto ($slaying, $hp, $sp);	2881	$self->goto ($map, $x, $y);
2022		2882
		2883	# if exit is damned, update players death & WoR home-position
		2884	$self->contr->savebed ($map, $x, $y)
		2885	if $exit->flag (cf::FLAG_DAMNED);
		2886
2023	1;	2887	1
2024	}) {	2888	}) {
2025	$self->message ("Something went wrong deep within the crossfire server. "	2889	$self->message ("Something went wrong deep within the deliantra server. "
2026	. "I'll try to bring you back to the map you were before. "	2890	. "I'll try to bring you back to the map you were before. "
2027	. "Please report this to the dungeon master!",	2891	. "Please report this to the dungeon master!",
2028	cf::NDI_UNIQUE | cf::NDI_RED);	2892	cf::NDI_UNIQUE | cf::NDI_RED);
2029		2893
2030	warn "ERROR in enter_exit: $@";	2894	error "ERROR in enter_exit: $@";
2031	$self->leave_link;	2895	$self->leave_link;
2032	}	2896	}
2033	})->prio (1);	2897	})->prio (1);
2034	}	2898	}
2035		2899
…		…
2049		2913
2050	utf8::encode $text;	2914	utf8::encode $text;
2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2915	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2052	}	2916	}
2053		2917
		2918	=item $client->send_big_packet ($pkt)
		2919
		2920	Like C<send_packet>, but tries to compress large packets, and fragments
		2921	them as required.
		2922
		2923	=cut
		2924
		2925	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2926
		2927	sub cf::client::send_big_packet {
		2928	my ($self, $pkt) = @_;
		2929
		2930	# try lzf for large packets
		2931	$pkt = "lzf " . Compress::LZF::compress $pkt
		2932	if 1024 <= length $pkt and $self->{can_lzf};
		2933
		2934	# split very large packets
		2935	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2936	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2937	$pkt = "frag";
		2938	}
		2939
		2940	$self->send_packet ($pkt);
		2941	}
		2942
		2943	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2944
		2945	Send a drawinfo or msg packet to the client, formatting the msg for the
		2946	client if neccessary. C<$type> should be a string identifying the type of
		2947	the message, with C<log> being the default. If C<$color> is negative, suppress
		2948	the message unless the client supports the msg packet.
		2949
		2950	=cut
		2951
		2952	# non-persistent channels (usually the info channel)
		2953	our %CHANNEL = (
		2954	"c/motd" => {
		2955	id => "infobox",
		2956	title => "MOTD",
		2957	reply => undef,
		2958	tooltip => "The message of the day",
		2959	},
		2960	"c/identify" => {
		2961	id => "infobox",
		2962	title => "Identify",
		2963	reply => undef,
		2964	tooltip => "Items recently identified",
		2965	},
		2966	"c/examine" => {
		2967	id => "infobox",
		2968	title => "Examine",
		2969	reply => undef,
		2970	tooltip => "Signs and other items you examined",
		2971	},
		2972	"c/shopinfo" => {
		2973	id => "infobox",
		2974	title => "Shop Info",
		2975	reply => undef,
		2976	tooltip => "What your bargaining skill tells you about the shop",
		2977	},
		2978	"c/book" => {
		2979	id => "infobox",
		2980	title => "Book",
		2981	reply => undef,
		2982	tooltip => "The contents of a note or book",
		2983	},
		2984	"c/lookat" => {
		2985	id => "infobox",
		2986	title => "Look",
		2987	reply => undef,
		2988	tooltip => "What you saw there",
		2989	},
		2990	"c/who" => {
		2991	id => "infobox",
		2992	title => "Players",
		2993	reply => undef,
		2994	tooltip => "Shows players who are currently online",
		2995	},
		2996	"c/body" => {
		2997	id => "infobox",
		2998	title => "Body Parts",
		2999	reply => undef,
		3000	tooltip => "Shows which body parts you posess and are available",
		3001	},
		3002	"c/statistics" => {
		3003	id => "infobox",
		3004	title => "Statistics",
		3005	reply => undef,
		3006	tooltip => "Shows your primary statistics",
		3007	},
		3008	"c/skills" => {
		3009	id => "infobox",
		3010	title => "Skills",
		3011	reply => undef,
		3012	tooltip => "Shows your experience per skill and item power",
		3013	},
		3014	"c/shopitems" => {
		3015	id => "infobox",
		3016	title => "Shop Items",
		3017	reply => undef,
		3018	tooltip => "Shows the items currently for sale in this shop",
		3019	},
		3020	"c/resistances" => {
		3021	id => "infobox",
		3022	title => "Resistances",
		3023	reply => undef,
		3024	tooltip => "Shows your resistances",
		3025	},
		3026	"c/pets" => {
		3027	id => "infobox",
		3028	title => "Pets",
		3029	reply => undef,
		3030	tooltip => "Shows information abotu your pets/a specific pet",
		3031	},
		3032	"c/perceiveself" => {
		3033	id => "infobox",
		3034	title => "Perceive Self",
		3035	reply => undef,
		3036	tooltip => "You gained detailed knowledge about yourself",
		3037	},
		3038	"c/uptime" => {
		3039	id => "infobox",
		3040	title => "Uptime",
		3041	reply => undef,
		3042	tooltip => "How long the server has been running since last restart",
		3043	},
		3044	"c/mapinfo" => {
		3045	id => "infobox",
		3046	title => "Map Info",
		3047	reply => undef,
		3048	tooltip => "Information related to the maps",
		3049	},
		3050	"c/party" => {
		3051	id => "party",
		3052	title => "Party",
		3053	reply => "gsay ",
		3054	tooltip => "Messages and chat related to your party",
		3055	},
		3056	"c/death" => {
		3057	id => "death",
		3058	title => "Death",
		3059	reply => undef,
		3060	tooltip => "Reason for and more info about your most recent death",
		3061	},
		3062	"c/say" => $SAY_CHANNEL,
		3063	"c/chat" => $CHAT_CHANNEL,
		3064	);
		3065
		3066	sub cf::client::send_msg {
		3067	my ($self, $channel, $msg, $color, @extra) = @_;
		3068
		3069	$msg = $self->pl->expand_cfpod ($msg)
		3070	unless $color & cf::NDI_VERBATIM;
		3071
		3072	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3073
		3074	# check predefined channels, for the benefit of C
		3075	if ($CHANNEL{$channel}) {
		3076	$channel = $CHANNEL{$channel};
		3077
		3078	$self->ext_msg (channel_info => $channel);
		3079	$channel = $channel->{id};
		3080
		3081	} elsif (ref $channel) {
		3082	# send meta info to client, if not yet sent
		3083	unless (exists $self->{channel}{$channel->{id}}) {
		3084	$self->{channel}{$channel->{id}} = $channel;
		3085	$self->ext_msg (channel_info => $channel);
		3086	}
		3087
		3088	$channel = $channel->{id};
		3089	}
		3090
		3091	return unless @extra || length $msg;
		3092
		3093	# default colour, mask it out
		3094	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3095	if $color & cf::NDI_DEF;
		3096
		3097	my $pkt = "msg "
		3098	. $self->{json_coder}->encode (
		3099	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3100	);
		3101
		3102	$self->send_big_packet ($pkt);
		3103	}
		3104
2054	=item $client->ext_event ($type, %msg)	3105	=item $client->ext_msg ($type, @msg)
2055		3106
2056	Sends an exti event to the client.	3107	Sends an ext event to the client.
2057		3108
2058	=cut	3109	=cut
2059		3110
2060	sub cf::client::ext_event($$%) {	3111	sub cf::client::ext_msg($$@) {
2061	my ($self, $type, %msg) = @_;	3112	my ($self, $type, @msg) = @_;
2062		3113
		3114	if ($self->extcmd == 2) {
		3115	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3116	} elsif ($self->extcmd == 1) { # TODO: remove
2063	$msg{msgtype} = "event_$type";	3117	push @msg, msgtype => "event_$type";
2064	$self->send_packet ("ext " . cf::to_json \%msg);	3118	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3119	}
		3120	}
		3121
		3122	=item $client->ext_reply ($msgid, @msg)
		3123
		3124	Sends an ext reply to the client.
		3125
		3126	=cut
		3127
		3128	sub cf::client::ext_reply($$@) {
		3129	my ($self, $id, @msg) = @_;
		3130
		3131	if ($self->extcmd == 2) {
		3132	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3133	} elsif ($self->extcmd == 1) {
		3134	#TODO: version 1, remove
		3135	unshift @msg, msgtype => "reply", msgid => $id;
		3136	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3137	}
2065	}	3138	}
2066		3139
2067	=item $success = $client->query ($flags, "text", \&cb)	3140	=item $success = $client->query ($flags, "text", \&cb)
2068		3141
2069	Queues a query to the client, calling the given callback with	3142	Queues a query to the client, calling the given callback with
2070	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3143	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2071	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3144	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2072		3145
2073	Queries can fail, so check the return code. Or don't, as queries will become	3146	Queries can fail, so check the return code. Or don't, as queries will
2074	reliable at some point in the future.	3147	become reliable at some point in the future.
2075		3148
2076	=cut	3149	=cut
2077		3150
2078	sub cf::client::query {	3151	sub cf::client::query {
2079	my ($self, $flags, $text, $cb) = @_;	3152	my ($self, $flags, $text, $cb) = @_;
…		…
2087	utf8::encode $text;	3160	utf8::encode $text;
2088	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3161	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089		3162
2090	$self->send_packet ($self->{query_queue}[0][0])	3163	$self->send_packet ($self->{query_queue}[0][0])
2091	if @{ $self->{query_queue} } == 1;	3164	if @{ $self->{query_queue} } == 1;
		3165
		3166	1
2092	}	3167	}
2093		3168
2094	cf::client->attach (	3169	cf::client->attach (
		3170	on_connect => sub {
		3171	my ($ns) = @_;
		3172
		3173	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3174	},
2095	on_reply => sub {	3175	on_reply => sub {
2096	my ($ns, $msg) = @_;	3176	my ($ns, $msg) = @_;
2097		3177
2098	# this weird shuffling is so that direct followup queries	3178	# this weird shuffling is so that direct followup queries
2099	# get handled first	3179	# get handled first
…		…
2111	} else {	3191	} else {
2112	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3192	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113	}	3193	}
2114	}	3194	}
2115	},	3195	},
		3196	on_exticmd => sub {
		3197	my ($ns, $buf) = @_;
		3198
		3199	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3200
		3201	if (ref $msg) {
		3202	my ($type, $reply, @payload) =
		3203	"ARRAY" eq ref $msg
		3204	? @$msg
		3205	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3206
		3207	my @reply;
		3208
		3209	if (my $cb = $EXTICMD{$type}) {
		3210	@reply = $cb->($ns, @payload);
		3211	}
		3212
		3213	$ns->ext_reply ($reply, @reply)
		3214	if $reply;
		3215
		3216	} else {
		3217	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3218	}
		3219
		3220	cf::override;
		3221	},
2116	);	3222	);
2117		3223
2118	=item $client->async (\&cb)	3224	=item $client->async (\&cb)
2119		3225
2120	Create a new coroutine, running the specified callback. The coroutine will	3226	Create a new coroutine, running the specified callback. The coroutine will
…		…
2136		3242
2137	$coro	3243	$coro
2138	}	3244	}
2139		3245
2140	cf::client->attach (	3246	cf::client->attach (
2141	on_destroy => sub {	3247	on_client_destroy => sub {
2142	my ($ns) = @_;	3248	my ($ns) = @_;
2143		3249
2144	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3250	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2145	},	3251	},
2146	);	3252	);
…		…
2161	our $safe = new Safe "safe";	3267	our $safe = new Safe "safe";
2162	our $safe_hole = new Safe::Hole;	3268	our $safe_hole = new Safe::Hole;
2163		3269
2164	$SIG{FPE} = 'IGNORE';	3270	$SIG{FPE} = 'IGNORE';
2165		3271
2166	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3272	$safe->permit_only (Opcode::opset qw(
		3273	:base_core :base_mem :base_orig :base_math :base_loop
		3274	grepstart grepwhile mapstart mapwhile
		3275	sort time
		3276	));
2167		3277
2168	# here we export the classes and methods available to script code	3278	# here we export the classes and methods available to script code
2169		3279
2170	=pod	3280	=pod
2171		3281
2172	The following functions and methods are available within a safe environment:	3282	The following functions and methods are available within a safe environment:
2173		3283
2174	cf::object contr pay_amount pay_player map	3284	cf::object
		3285	contr pay_amount pay_player map x y force_find force_add destroy
		3286	insert remove name archname title slaying race decrease split
		3287	value
		3288
2175	cf::object::player player	3289	cf::object::player
2176	cf::player peaceful	3290	player
2177	cf::map trigger	3291
		3292	cf::player
		3293	peaceful
		3294
		3295	cf::map
		3296	trigger
2178		3297
2179	=cut	3298	=cut
2180		3299
2181	for (	3300	for (
2182	["cf::object" => qw(contr pay_amount pay_player map)],	3301	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3302	insert remove inv nrof name archname title slaying race
		3303	decrease split destroy change_exp value msg lore send_msg)],
2183	["cf::object::player" => qw(player)],	3304	["cf::object::player" => qw(player)],
2184	["cf::player" => qw(peaceful)],	3305	["cf::player" => qw(peaceful send_msg)],
2185	["cf::map" => qw(trigger)],	3306	["cf::map" => qw(trigger)],
2186	) {	3307	) {
2187	no strict 'refs';
2188	my ($pkg, @funs) = @$_;	3308	my ($pkg, @funs) = @$_;
2189	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3309	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2190	for @funs;	3310	for @funs;
2191	}	3311	}
2192		3312
…		…
2207		3327
2208	my $qcode = $code;	3328	my $qcode = $code;
2209	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3329	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2210	$qcode =~ s/\n/\\n/g;	3330	$qcode =~ s/\n/\\n/g;
2211		3331
		3332	%vars = (_dummy => 0) unless %vars;
		3333
		3334	my @res;
2212	local $_;	3335	local $_;
2213	local @safe::cf::_safe_eval_args = values %vars;
2214		3336
2215	my $eval =	3337	my $eval =
2216	"do {\n"	3338	"do {\n"
2217	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3339	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2218	. "#line 0 \"{$qcode}\"\n"	3340	. "#line 0 \"{$qcode}\"\n"
2219	. $code	3341	. $code
2220	. "\n}"	3342	. "\n}"
2221	;	3343	;
2222		3344
		3345	if ($CFG{safe_eval}) {
2223	sub_generation_inc;	3346	sub_generation_inc;
		3347	local @safe::cf::_safe_eval_args = values %vars;
2224	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3348	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2225	sub_generation_inc;	3349	sub_generation_inc;
		3350	} else {
		3351	local @cf::_safe_eval_args = values %vars;
		3352	@res = wantarray ? eval eval : scalar eval $eval;
		3353	}
2226		3354
2227	if ($@) {	3355	if ($@) {
2228	warn "$@";	3356	warn "$@",
2229	warn "while executing safe code '$code'\n";	3357	"while executing safe code '$code'\n",
2230	warn "with arguments " . (join " ", %vars) . "\n";	3358	"with arguments " . (join " ", %vars) . "\n";
2231	}	3359	}
2232		3360
2233	wantarray ? @res : $res[0]	3361	wantarray ? @res : $res[0]
2234	}	3362	}
2235		3363
…		…
2249	=cut	3377	=cut
2250		3378
2251	sub register_script_function {	3379	sub register_script_function {
2252	my ($fun, $cb) = @_;	3380	my ($fun, $cb) = @_;
2253		3381
2254	no strict 'refs';	3382	$fun = "safe::$fun" if $CFG{safe_eval};
2255	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3383	*$fun = $safe_hole->wrap ($cb);
2256	}	3384	}
2257		3385
2258	=back	3386	=back
2259		3387
2260	=cut	3388	=cut
2261
2262	#############################################################################
2263
2264	=head2 EXTENSION DATABASE SUPPORT
2265
2266	Crossfire maintains a very simple database for extension use. It can
2267	currently store anything that can be serialised using Storable, which
2268	excludes objects.
2269
2270	The parameter C<$family> should best start with the name of the extension
2271	using it, it should be unique.
2272
2273	=over 4
2274
2275	=item $value = cf::db_get $family => $key
2276
2277	Returns a single value from the database.
2278
2279	=item cf::db_put $family => $key => $value
2280
2281	Stores the given C<$value> in the family.
2282
2283	=cut
2284
2285	our $DB;
2286
2287	sub db_init {
2288	unless ($DB) {
2289	$DB = BDB::db_create $DB_ENV;
2290
2291	cf::sync_job {
2292	eval {
2293	$DB->set_flags (BDB::CHKSUM);
2294
2295	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2296	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2297	cf::cleanup "db_open(db): $!" if $!;
2298	};
2299	cf::cleanup "db_open(db): $@" if $@;
2300	};
2301
2302	my $path = cf::localdir . "/database.pst";
2303	if (stat $path) {
2304	cf::sync_job {
2305	my $pst = Storable::retrieve $path;
2306
2307	cf::db_put (board => data => $pst->{board});
2308	cf::db_put (guildrules => data => $pst->{guildrules});
2309	cf::db_put (rent => balance => $pst->{rent}{balance});
2310	BDB::db_env_txn_checkpoint $DB_ENV;
2311
2312	unlink $path;
2313	};
2314	}
2315	}
2316	}
2317
2318	sub db_get($$) {
2319	my $key = "$_[0]/$_[1]";
2320
2321	cf::sync_job {
2322	BDB::db_get $DB, undef, $key, my $data;
2323
2324	$! ? ()
2325	: Compress::LZF::sthaw $data
2326	}
2327	}
2328
2329	sub db_put($$$) {
2330	BDB::dbreq_pri 4;
2331	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2332	}
2333		3389
2334	#############################################################################	3390	#############################################################################
2335	# the server's init and main functions	3391	# the server's init and main functions
2336		3392
2337	sub load_facedata {	3393	sub load_facedata($) {
2338	my $path = sprintf "%s/facedata", cf::datadir;	3394	my ($path) = @_;
2339		3395
		3396	# HACK to clear player env face cache, we need some signal framework
		3397	# for this (global event?)
		3398	%ext::player_env::MUSIC_FACE_CACHE = ();
		3399
		3400	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3401
2340	warn "loading facedata from $path\n";	3402	trace "loading facedata from $path\n";
2341		3403
2342	my $facedata;
2343	0 < aio_load $path, $facedata	3404	0 < aio_load $path, my $facedata
2344	or die "$path: $!";	3405	or die "$path: $!";
2345		3406
2346	$facedata = Coro::Storable::thaw $facedata;	3407	$facedata = Coro::Storable::thaw $facedata;
2347		3408
2348	$facedata->{version} == 2	3409	$facedata->{version} == 2
2349	or cf::cleanup "$path: version mismatch, cannot proceed.";	3410	or cf::cleanup "$path: version mismatch, cannot proceed.";
2350		3411
		3412	# patch in the exptable
		3413	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3414	$facedata->{resource}{"res/exp_table"} = {
		3415	type => FT_RSRC,
		3416	data => $exp_table,
		3417	hash => (Digest::MD5::md5 $exp_table),
		3418	};
		3419	cf::cede_to_tick;
		3420
2351	{	3421	{
2352	my $faces = $facedata->{faceinfo};	3422	my $faces = $facedata->{faceinfo};
2353		3423
2354	while (my ($face, $info) = each %$faces) {	3424	while (my ($face, $info) = each %$faces) {
2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3425	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3426
2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3427	cf::face::set_visibility $idx, $info->{visibility};
		3428	cf::face::set_magicmap $idx, $info->{magicmap};
2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3429	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3430	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2359	Coro::cede;	3431
		3432	cf::cede_to_tick;
2360	}	3433	}
2361		3434
2362	while (my ($face, $info) = each %$faces) {	3435	while (my ($face, $info) = each %$faces) {
2363	next unless $info->{smooth};	3436	next unless $info->{smooth};
		3437
2364	my $idx = cf::face::find $face	3438	my $idx = cf::face::find $face
2365	or next;	3439	or next;
		3440
2366	if (my $smooth = cf::face::find $info->{smooth}) {	3441	if (my $smooth = cf::face::find $info->{smooth}) {
		3442	cf::face::set_smooth $idx, $smooth;
2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3443	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2368	} else {	3444	} else {
2369	warn "smooth face '$info->{smooth}' not found for face '$face'";	3445	error "smooth face '$info->{smooth}' not found for face '$face'";
2370	}	3446	}
2371	Coro::cede;	3447
		3448	cf::cede_to_tick;
2372	}	3449	}
2373	}	3450	}
2374		3451
2375	{	3452	{
2376	my $anims = $facedata->{animinfo};	3453	my $anims = $facedata->{animinfo};
2377		3454
2378	while (my ($anim, $info) = each %$anims) {	3455	while (my ($anim, $info) = each %$anims) {
2379	cf::anim::set $anim, $info->{frames}, $info->{facings};	3456	cf::anim::set $anim, $info->{frames}, $info->{facings};
2380	Coro::cede;	3457	cf::cede_to_tick;
2381	}	3458	}
2382		3459
2383	cf::anim::invalidate_all; # d'oh	3460	cf::anim::invalidate_all; # d'oh
2384	}	3461	}
2385		3462
		3463	{
		3464	my $res = $facedata->{resource};
		3465
		3466	while (my ($name, $info) = each %$res) {
		3467	if (defined $info->{type}) {
		3468	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3469
		3470	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3471	cf::face::set_type $idx, $info->{type};
		3472	} else {
		3473	$RESOURCE{$name} = $info; # unused
		3474	}
		3475
		3476	cf::cede_to_tick;
		3477	}
		3478	}
		3479
		3480	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3481
2386	1	3482	1
2387	}	3483	}
2388		3484
		3485	register_exticmd fx_want => sub {
		3486	my ($ns, $want) = @_;
		3487
		3488	while (my ($k, $v) = each %$want) {
		3489	$ns->fx_want ($k, $v);
		3490	}
		3491	};
		3492
		3493	sub load_resource_file($) {
		3494	my $guard = lock_acquire "load_resource_file";
		3495
		3496	my $status = load_resource_file_ $_[0];
		3497	get_slot 0.1, 100;
		3498	cf::arch::commit_load;
		3499
		3500	$status
		3501	}
		3502
		3503	sub reload_regions {
		3504	# HACK to clear player env face cache, we need some signal framework
		3505	# for this (global event?)
		3506	%ext::player_env::MUSIC_FACE_CACHE = ();
		3507
		3508	load_resource_file "$MAPDIR/regions"
		3509	or die "unable to load regions file\n";
		3510
		3511	for (cf::region::list) {
		3512	$_->{match} = qr/$_->{match}/
		3513	if exists $_->{match};
		3514	}
		3515	}
		3516
		3517	sub reload_facedata {
		3518	load_facedata "$DATADIR/facedata"
		3519	or die "unable to load facedata\n";
		3520	}
		3521
2389	sub load_archetypes {	3522	sub reload_archetypes {
2390	load_archetype_file sprintf "%s/archetypes", cf::datadir; # remove when stable	3523	load_resource_file "$DATADIR/archetypes"
2391	load_archetype_file sprintf "%s/archetypes", cf::datadir	3524	or die "unable to load archetypes\n";
2392	}	3525	}
2393		3526
2394	sub load_treasures {	3527	sub reload_treasures {
2395	load_treasure_file sprintf "%s/treasures", cf::datadir	3528	load_resource_file "$DATADIR/treasures"
		3529	or die "unable to load treasurelists\n";
		3530	}
		3531
		3532	sub reload_sound {
		3533	trace "loading sound config from $DATADIR/sound\n";
		3534
		3535	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3536	or die "$DATADIR/sound $!";
		3537
		3538	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3539
		3540	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3541	my $sound = $soundconf->{compat}[$_]
		3542	or next;
		3543
		3544	my $face = cf::face::find "sound/$sound->[1]";
		3545	cf::sound::set $sound->[0] => $face;
		3546	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3547	}
		3548
		3549	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3550	my $face = cf::face::find "sound/$v";
		3551	cf::sound::set $k => $face;
		3552	}
2396	}	3553	}
2397		3554
2398	sub reload_resources {	3555	sub reload_resources {
2399	warn "reloading resource files...\n";	3556	trace "reloading resource files...\n";
2400		3557
2401	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3558	reload_exp_table;
2402	or die "unable to load regions file\n";	3559	reload_materials;
2403	load_facedata	3560	reload_facedata;
2404	or die "unable to load facedata\n";	3561	reload_sound;
2405	load_archetypes	3562	reload_archetypes;
2406	or die "unable to load archetypes\n";	3563	reload_regions;
2407	load_treasures	3564	reload_treasures;
2408	or die "unable to load treasurelists\n";
2409		3565
2410	warn "finished reloading resource files\n";	3566	trace "finished reloading resource files\n";
2411	}	3567	}
2412		3568
2413	sub init {	3569	sub reload_config {
2414	reload_resources;	3570	trace "reloading config file...\n";
2415	}
2416		3571
2417	sub cfg_load {	3572	0 < aio_load "$CONFDIR/config", my $config
2418	open my $fh, "<:utf8", cf::confdir . "/config"	3573	or die "$CONFDIR/config: $!";
2419	or return;
2420		3574
2421	local $/;	3575	utf8::decode $config;
2422	*CFG = YAML::Syck::Load <$fh>;	3576	*CFG = yaml_load $config;
2423		3577
2424	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3578	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2425		3579
2426	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3580	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2427	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3581	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2428		3582
2429	if (exists $CFG{mlockall}) {	3583	if (exists $CFG{mlockall}) {
…		…
2433	};	3587	};
2434	warn $@ if $@;	3588	warn $@ if $@;
2435	}	3589	}
2436	}	3590	}
2437		3591
		3592	sub pidfile() {
		3593	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3594	or die "$PIDFILE: $!";
		3595	flock $fh, &Fcntl::LOCK_EX
		3596	or die "$PIDFILE: flock: $!";
		3597	$fh
		3598	}
		3599
		3600	# make sure only one server instance is running at any one time
		3601	sub atomic {
		3602	my $fh = pidfile;
		3603
		3604	my $pid = <$fh>;
		3605	kill 9, $pid if $pid > 0;
		3606
		3607	seek $fh, 0, 0;
		3608	print $fh $$;
		3609	}
		3610
		3611	sub main_loop {
		3612	trace "EV::loop starting\n";
		3613	if (1) {
		3614	EV::loop;
		3615	}
		3616	trace "EV::loop returned\n";
		3617	goto &main_loop unless $REALLY_UNLOOP;
		3618	}
		3619
2438	sub main {	3620	sub main {
		3621	cf::init_globals; # initialise logging
		3622
		3623	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3624	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3625	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3626	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3627
		3628	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3629
2439	# we must not ever block the main coroutine	3630	# we must not ever block the main coroutine
2440	local $Coro::idle = sub {	3631	local $Coro::idle = sub {
2441	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3632	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2442	(async {	3633	(async {
2443	Event::one_event;	3634	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3635	EV::loop EV::LOOP_ONESHOT;
2444	})->prio (Coro::PRIO_MAX);	3636	})->prio (Coro::PRIO_MAX);
2445	};	3637	};
2446		3638
2447	cfg_load;	3639	evthread_start IO::AIO::poll_fileno;
		3640
		3641	cf::sync_job {
		3642	cf::incloader::init ();
		3643
		3644	cf::init_anim;
		3645	cf::init_attackmess;
		3646	cf::init_dynamic;
		3647
		3648	cf::load_settings;
		3649
		3650	reload_resources;
		3651	reload_config;
2448	db_init;	3652	db_init;
		3653
		3654	cf::init_uuid;
		3655	cf::init_signals;
		3656	cf::init_skills;
		3657
		3658	cf::init_beforeplay;
		3659
		3660	atomic;
		3661
2449	load_extensions;	3662	load_extensions;
2450		3663
2451	$TICK_WATCHER->start;	3664	utime time, time, $RUNTIMEFILE;
2452	Event::loop;	3665
		3666	# no (long-running) fork's whatsoever before this point(!)
		3667	use POSIX ();
		3668	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3669
		3670	cf::_post_init 0;
		3671	};
		3672
		3673	cf::object::thawer::errors_are_fatal 0;
		3674	info "parse errors in files are no longer fatal from this point on.\n";
		3675
		3676	my $free_main; $free_main = EV::idle sub {
		3677	undef $free_main;
		3678	undef &main; # free gobs of memory :)
		3679	};
		3680
		3681	goto &main_loop;
2453	}	3682	}
2454		3683
2455	#############################################################################	3684	#############################################################################
2456	# initialisation and cleanup	3685	# initialisation and cleanup
2457		3686
2458	# install some emergency cleanup handlers	3687	# install some emergency cleanup handlers
2459	BEGIN {	3688	BEGIN {
		3689	our %SIGWATCHER = ();
2460	for my $signal (qw(INT HUP TERM)) {	3690	for my $signal (qw(INT HUP TERM)) {
2461	Event->signal (	3691	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2462	reentrant => 0,
2463	data => WF_AUTOCANCEL,
2464	signal => $signal,
2465	prio => 0,
2466	cb => sub {
2467	cf::cleanup "SIG$signal";	3692	cf::cleanup "SIG$signal";
2468	},
2469	);	3693	};
		3694	}
		3695	}
		3696
		3697	sub write_runtime_sync {
		3698	my $t0 = AE::time;
		3699
		3700	# first touch the runtime file to show we are still running:
		3701	# the fsync below can take a very very long time.
		3702
		3703	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3704
		3705	my $guard = cf::lock_acquire "write_runtime";
		3706
		3707	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3708	or return;
		3709
		3710	my $value = $cf::RUNTIME + 90 + 10;
		3711	# 10 is the runtime save interval, for a monotonic clock
		3712	# 60 allows for the watchdog to kill the server.
		3713
		3714	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3715	and return;
		3716
		3717	# always fsync - this file is important
		3718	aio_fsync $fh
		3719	and return;
		3720
		3721	# touch it again to show we are up-to-date
		3722	aio_utime $fh, undef, undef;
		3723
		3724	close $fh
		3725	or return;
		3726
		3727	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3728	and return;
		3729
		3730	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3731
2470	}	3732	1
		3733	}
		3734
		3735	our $uuid_lock;
		3736	our $uuid_skip;
		3737
		3738	sub write_uuid_sync($) {
		3739	$uuid_skip ||= $_[0];
		3740
		3741	return if $uuid_lock;
		3742	local $uuid_lock = 1;
		3743
		3744	my $uuid = "$LOCALDIR/uuid";
		3745
		3746	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3747	or return;
		3748
		3749	my $value = uuid_seq uuid_cur;
		3750
		3751	unless ($value) {
		3752	info "cowardly refusing to write zero uuid value!\n";
		3753	return;
		3754	}
		3755
		3756	my $value = uuid_str $value + $uuid_skip;
		3757	$uuid_skip = 0;
		3758
		3759	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3760	and return;
		3761
		3762	# always fsync - this file is important
		3763	aio_fsync $fh
		3764	and return;
		3765
		3766	close $fh
		3767	or return;
		3768
		3769	aio_rename "$uuid~", $uuid
		3770	and return;
		3771
		3772	trace "uuid file written ($value).\n";
		3773
		3774	1
		3775
		3776	}
		3777
		3778	sub write_uuid($$) {
		3779	my ($skip, $sync) = @_;
		3780
		3781	$sync ? write_uuid_sync $skip
		3782	: async { write_uuid_sync $skip };
2471	}	3783	}
2472		3784
2473	sub emergency_save() {	3785	sub emergency_save() {
2474	my $freeze_guard = cf::freeze_mainloop;	3786	my $freeze_guard = cf::freeze_mainloop;
2475		3787
2476	warn "enter emergency perl save\n";	3788	info "emergency_perl_save: enter\n";
		3789
		3790	# this is a trade-off: we want to be very quick here, so
		3791	# save all maps without fsync, and later call a global sync
		3792	# (which in turn might be very very slow)
		3793	local $USE_FSYNC = 0;
2477		3794
2478	cf::sync_job {	3795	cf::sync_job {
		3796	cf::write_runtime_sync; # external watchdog should not bark
		3797
2479	# use a peculiar iteration method to avoid tripping on perl	3798	# use a peculiar iteration method to avoid tripping on perl
2480	# refcount bugs in for. also avoids problems with players	3799	# refcount bugs in for. also avoids problems with players
2481	# and maps saved/destroyed asynchronously.	3800	# and maps saved/destroyed asynchronously.
2482	warn "begin emergency player save\n";	3801	info "emergency_perl_save: begin player save\n";
2483	for my $login (keys %cf::PLAYER) {	3802	for my $login (keys %cf::PLAYER) {
2484	my $pl = $cf::PLAYER{$login} or next;	3803	my $pl = $cf::PLAYER{$login} or next;
2485	$pl->valid or next;	3804	$pl->valid or next;
		3805	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2486	$pl->save;	3806	$pl->save;
2487	}	3807	}
2488	warn "end emergency player save\n";	3808	info "emergency_perl_save: end player save\n";
2489		3809
2490	warn "begin emergency map save\n";	3810	cf::write_runtime_sync; # external watchdog should not bark
		3811
		3812	info "emergency_perl_save: begin map save\n";
2491	for my $path (keys %cf::MAP) {	3813	for my $path (keys %cf::MAP) {
2492	my $map = $cf::MAP{$path} or next;	3814	my $map = $cf::MAP{$path} or next;
2493	$map->valid or next;	3815	$map->valid or next;
2494	$map->save;	3816	$map->save;
2495	}	3817	}
2496	warn "end emergency map save\n";	3818	info "emergency_perl_save: end map save\n";
2497		3819
2498	warn "begin emergency database checkpoint\n";	3820	cf::write_runtime_sync; # external watchdog should not bark
		3821
		3822	info "emergency_perl_save: begin database checkpoint\n";
2499	BDB::db_env_txn_checkpoint $DB_ENV;	3823	BDB::db_env_txn_checkpoint $DB_ENV;
2500	warn "end emergency database checkpoint\n";	3824	info "emergency_perl_save: end database checkpoint\n";
		3825
		3826	info "emergency_perl_save: begin write uuid\n";
		3827	write_uuid_sync 1;
		3828	info "emergency_perl_save: end write uuid\n";
		3829
		3830	cf::write_runtime_sync; # external watchdog should not bark
		3831
		3832	trace "emergency_perl_save: syncing database to disk";
		3833	BDB::db_env_txn_checkpoint $DB_ENV;
		3834
		3835	info "emergency_perl_save: starting sync\n";
		3836	IO::AIO::aio_sync sub {
		3837	info "emergency_perl_save: finished sync\n";
		3838	};
		3839
		3840	cf::write_runtime_sync; # external watchdog should not bark
		3841
		3842	trace "emergency_perl_save: flushing outstanding aio requests";
		3843	while (IO::AIO::nreqs || BDB::nreqs) {
		3844	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3845	}
		3846
		3847	cf::write_runtime_sync; # external watchdog should not bark
2501	};	3848	};
2502		3849
2503	warn "leave emergency perl save\n";	3850	info "emergency_perl_save: leave\n";
2504	}	3851	}
2505		3852
2506	sub post_cleanup {	3853	sub post_cleanup {
2507	my ($make_core) = @_;	3854	my ($make_core) = @_;
2508		3855
		3856	IO::AIO::flush;
		3857
2509	warn Carp::longmess "post_cleanup backtrace"	3858	error Carp::longmess "post_cleanup backtrace"
2510	if $make_core;	3859	if $make_core;
2511	}
2512		3860
		3861	my $fh = pidfile;
		3862	unlink $PIDFILE if <$fh> == $$;
		3863	}
		3864
		3865	# a safer delete_package, copied from Symbol
		3866	sub clear_package($) {
		3867	my $pkg = shift;
		3868
		3869	# expand to full symbol table name if needed
		3870	unless ($pkg =~ /^main::.*::$/) {
		3871	$pkg = "main$pkg" if $pkg =~ /^::/;
		3872	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3873	$pkg .= '::' unless $pkg =~ /::$/;
		3874	}
		3875
		3876	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3877	my $stem_symtab = *{$stem}{HASH};
		3878
		3879	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3880	or return;
		3881
		3882	# clear all symbols
		3883	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3884	for my $name (keys %$leaf_symtab) {
		3885	_gv_clear *{"$pkg$name"};
		3886	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3887	}
		3888	}
		3889
2513	sub reload() {	3890	sub do_reload_perl() {
2514	# can/must only be called in main	3891	# can/must only be called in main
2515	if ($Coro::current != $Coro::main) {	3892	unless (in_main) {
2516	warn "can only reload from main coroutine";	3893	error "can only reload from main coroutine";
2517	return;	3894	return;
2518	}	3895	}
2519		3896
2520	warn "reloading...";	3897	return if $RELOAD++;
2521		3898
2522	warn "entering sync_job";	3899	my $t1 = AE::time;
2523		3900
		3901	while ($RELOAD) {
		3902	cf::get_slot 0.1, -1, "reload_perl";
		3903	info "perl_reload: reloading...";
		3904
		3905	trace "perl_reload: entering sync_job";
		3906
2524	cf::sync_job {	3907	cf::sync_job {
2525	cf::write_runtime; # external watchdog should not bark
2526	cf::emergency_save;	3908	#cf::emergency_save;
2527	cf::write_runtime; # external watchdog should not bark
2528		3909
2529	warn "syncing database to disk";
2530	BDB::db_env_txn_checkpoint $DB_ENV;
2531
2532	# if anything goes wrong in here, we should simply crash as we already saved
2533
2534	warn "cancelling all WF_AUTOCANCEL watchers";
2535	for (Event::all_watchers) {
2536	$_->cancel if $_->data & WF_AUTOCANCEL;
2537	}
2538
2539	warn "flushing outstanding aio requests";
2540	for (;;) {
2541	BDB::flush;
2542	IO::AIO::flush;
2543	Coro::cede;
2544	last unless IO::AIO::nreqs || BDB::nreqs;
2545	warn "iterate...";
2546	}
2547
2548	++$RELOAD;
2549
2550	warn "cancelling all extension coros";	3910	trace "perl_reload: cancelling all extension coros";
2551	$_->cancel for values %EXT_CORO;	3911	$_->cancel for values %EXT_CORO;
2552	%EXT_CORO = ();	3912	%EXT_CORO = ();
2553		3913
2554	warn "removing commands";	3914	trace "perl_reload: removing commands";
2555	%COMMAND = ();	3915	%COMMAND = ();
2556		3916
2557	warn "removing ext commands";	3917	trace "perl_reload: removing ext/exti commands";
2558	%EXTCMD = ();	3918	%EXTCMD = ();
		3919	%EXTICMD = ();
2559		3920
2560	warn "unloading/nuking all extensions";	3921	trace "perl_reload: unloading/nuking all extensions";
2561	for my $pkg (@EXTS) {	3922	for my $pkg (@EXTS) {
2562	warn "... unloading $pkg";	3923	trace "... unloading $pkg";
2563		3924
2564	if (my $cb = $pkg->can ("unload")) {	3925	if (my $cb = $pkg->can ("unload")) {
2565	eval {	3926	eval {
2566	$cb->($pkg);	3927	$cb->($pkg);
2567	1	3928	1
2568	} or warn "$pkg unloaded, but with errors: $@";	3929	} or error "$pkg unloaded, but with errors: $@";
		3930	}
		3931
		3932	trace "... clearing $pkg";
		3933	clear_package $pkg;
2569	}	3934	}
2570		3935
2571	warn "... nuking $pkg";
2572	Symbol::delete_package $pkg;
2573	}
2574
2575	warn "unloading all perl modules loaded from $LIBDIR";	3936	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2576	while (my ($k, $v) = each %INC) {	3937	while (my ($k, $v) = each %INC) {
2577	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3938	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2578		3939
2579	warn "... unloading $k";	3940	trace "... unloading $k";
2580	delete $INC{$k};	3941	delete $INC{$k};
2581		3942
2582	$k =~ s/\.pm$//;	3943	$k =~ s/\.pm$//;
2583	$k =~ s/\//::/g;	3944	$k =~ s/\//::/g;
2584		3945
2585	if (my $cb = $k->can ("unload_module")) {	3946	if (my $cb = $k->can ("unload_module")) {
2586	$cb->();	3947	$cb->();
		3948	}
		3949
		3950	clear_package $k;
2587	}	3951	}
2588		3952
2589	Symbol::delete_package $k;
2590	}
2591
2592	warn "getting rid of safe::, as good as possible";	3953	trace "perl_reload: getting rid of safe::, as good as possible";
2593	Symbol::delete_package "safe::$_"	3954	clear_package "safe::$_"
2594	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3955	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2595		3956
2596	warn "unloading cf.pm \"a bit\"";	3957	trace "perl_reload: unloading cf.pm \"a bit\"";
2597	delete $INC{"cf.pm"};	3958	delete $INC{"cf.pm"};
		3959	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2598		3960
2599	# don't, removes xs symbols, too,	3961	# don't, removes xs symbols, too,
2600	# and global variables created in xs	3962	# and global variables created in xs
2601	#Symbol::delete_package __PACKAGE__;	3963	#clear_package __PACKAGE__;
2602		3964
2603	warn "unload completed, starting to reload now";	3965	info "perl_reload: unload completed, starting to reload now";
2604		3966
2605	warn "reloading cf.pm";	3967	trace "perl_reload: reloading cf.pm";
2606	require cf;	3968	require cf;
2607	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3969	cf::_connect_to_perl_1;
2608		3970
2609	warn "loading config and database again";	3971	trace "perl_reload: loading config and database again";
2610	cf::cfg_load;	3972	cf::reload_config;
2611		3973
2612	warn "loading extensions";	3974	trace "perl_reload: loading extensions";
2613	cf::load_extensions;	3975	cf::load_extensions;
2614		3976
		3977	if ($REATTACH_ON_RELOAD) {
2615	warn "reattaching attachments to objects/players";	3978	trace "perl_reload: reattaching attachments to objects/players";
2616	_global_reattach; # objects, sockets	3979	_global_reattach; # objects, sockets
2617	warn "reattaching attachments to maps";	3980	trace "perl_reload: reattaching attachments to maps";
2618	reattach $_ for values %MAP;	3981	reattach $_ for values %MAP;
2619	warn "reattaching attachments to players";	3982	trace "perl_reload: reattaching attachments to players";
2620	reattach $_ for values %PLAYER;	3983	reattach $_ for values %PLAYER;
		3984	}
2621		3985
2622	warn "loading reloadable resources";	3986	cf::_post_init 1;
2623	reload_resources;
2624		3987
2625	warn "leaving sync_job";	3988	trace "perl_reload: leaving sync_job";
2626		3989
2627	1	3990	1
2628	} or do {	3991	} or do {
2629	warn $@;	3992	error $@;
2630	warn "error while reloading, exiting.";	3993	cf::cleanup "perl_reload: error, exiting.";
2631	exit 1;	3994	};
		3995
		3996	--$RELOAD;
		3997	}
		3998
		3999	$t1 = AE::time - $t1;
		4000	info "perl_reload: completed in ${t1}s\n";
		4001	};
		4002
		4003	our $RELOAD_WATCHER; # used only during reload
		4004
		4005	sub reload_perl() {
		4006	# doing reload synchronously and two reloads happen back-to-back,
		4007	# coro crashes during coro_state_free->destroy here.
		4008
		4009	$RELOAD_WATCHER ||= cf::async {
		4010	Coro::AIO::aio_wait cache_extensions;
		4011
		4012	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4013	do_reload_perl;
		4014	undef $RELOAD_WATCHER;
		4015	};
2632	};	4016	};
2633		4017	}
2634	warn "reloaded";
2635	};
2636
2637	our $RELOAD_WATCHER; # used only during reload
2638		4018
2639	register_command "reload" => sub {	4019	register_command "reload" => sub {
2640	my ($who, $arg) = @_;	4020	my ($who, $arg) = @_;
2641		4021
2642	if ($who->flag (FLAG_WIZ)) {	4022	if ($who->flag (FLAG_WIZ)) {
2643	$who->message ("reloading server.");	4023	$who->message ("reloading server.");
2644		4024	async {
2645	# doing reload synchronously and two reloads happen back-to-back,	4025	$Coro::current->{desc} = "perl_reload";
2646	# coro crashes during coro_state_free->destroy here.
2647
2648	$RELOAD_WATCHER ||= Event->timer (
2649	reentrant => 0,
2650	after => 0,
2651	data => WF_AUTOCANCEL,
2652	cb => sub {
2653	reload;	4026	reload_perl;
2654	undef $RELOAD_WATCHER;
2655	},
2656	);	4027	};
2657	}	4028	}
2658	};	4029	};
2659		4030
2660	unshift @INC, $LIBDIR;	4031	#############################################################################
2661		4032
2662	my $bug_warning = 0;	4033	my $bug_warning = 0;
2663		4034
2664	our @WAIT_FOR_TICK;	4035	our @WAIT_FOR_TICK;
2665	our @WAIT_FOR_TICK_BEGIN;	4036	our @WAIT_FOR_TICK_BEGIN;
2666		4037
2667	sub wait_for_tick {	4038	sub wait_for_tick() {
2668	return unless $TICK_WATCHER->is_active;
2669	return if $Coro::current == $Coro::main;	4039	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2670		4040
2671	my $signal = new Coro::Signal;	4041	my $signal = new Coro::Signal;
2672	push @WAIT_FOR_TICK, $signal;	4042	push @WAIT_FOR_TICK, $signal;
2673	$signal->wait;	4043	$signal->wait;
2674	}	4044	}
2675		4045
2676	sub wait_for_tick_begin {	4046	sub wait_for_tick_begin() {
2677	return unless $TICK_WATCHER->is_active;
2678	return if $Coro::current == $Coro::main;	4047	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2679		4048
2680	my $signal = new Coro::Signal;	4049	my $signal = new Coro::Signal;
2681	push @WAIT_FOR_TICK_BEGIN, $signal;	4050	push @WAIT_FOR_TICK_BEGIN, $signal;
2682	$signal->wait;	4051	$signal->wait;
2683	}	4052	}
2684		4053
2685	$TICK_WATCHER = Event->timer (	4054	sub tick {
2686	reentrant => 0,
2687	parked => 1,
2688	prio => 0,
2689	at => $NEXT_TICK || $TICK,
2690	data => WF_AUTOCANCEL,
2691	cb => sub {
2692	if ($Coro::current != $Coro::main) {	4055	if ($Coro::current != $Coro::main) {
2693	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4056	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2694	unless ++$bug_warning > 10;	4057	unless ++$bug_warning > 10;
2695	return;	4058	return;
2696	}	4059	}
2697		4060
2698	$NOW = Event::time;
2699
2700	cf::server_tick; # one server iteration	4061	cf::server_tick; # one server iteration
2701		4062
2702	$RUNTIME += $TICK;	4063	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2703	$NEXT_TICK += $TICK;
2704		4064
2705	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4065	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2706	$NEXT_RUNTIME_WRITE = $NOW + 10;	4066	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2707	Coro::async_pool {	4067	Coro::async_pool {
		4068	$Coro::current->{desc} = "runtime saver";
2708	write_runtime	4069	write_runtime_sync
2709	or warn "ERROR: unable to write runtime file: $!";	4070	or error "ERROR: unable to write runtime file: $!";
2710	};
2711	}	4071	};
		4072	}
2712		4073
2713	# my $AFTER = Event::time;
2714	# warn $AFTER - $NOW;#d#
2715
2716	# if we are delayed by four ticks or more, skip them all
2717	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2718
2719	$TICK_WATCHER->at ($NEXT_TICK);
2720	$TICK_WATCHER->start;
2721
2722	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4074	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2723	$sig->send;	4075	$sig->send;
2724	}	4076	}
2725	while (my $sig = shift @WAIT_FOR_TICK) {	4077	while (my $sig = shift @WAIT_FOR_TICK) {
2726	$sig->send;	4078	$sig->send;
2727	}
2728
2729	_post_tick;
2730	},	4079	}
2731	);	4080
		4081	$LOAD = ($NOW - $TICK_START) / $TICK;
		4082	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4083
		4084	if (0) {
		4085	if ($NEXT_TICK) {
		4086	my $jitter = $TICK_START - $NEXT_TICK;
		4087	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4088	debug "jitter $JITTER\n";#d#
		4089	}
		4090	}
		4091	}
2732		4092
2733	{	4093	{
2734	BDB::max_poll_time $TICK * 0.1;	4094	# configure BDB
2735	$BDB_POLL_WATCHER = Event->io (	4095
2736	reentrant => 0,
2737	fd => BDB::poll_fileno,
2738	poll => 'r',
2739	prio => 0,
2740	data => WF_AUTOCANCEL,
2741	cb => \&BDB::poll_cb,
2742	);
2743	BDB::min_parallel 8;	4096	BDB::min_parallel 16;
2744		4097	BDB::max_poll_reqs $TICK * 0.1;
2745	BDB::set_sync_prepare {	4098	$AnyEvent::BDB::WATCHER->priority (1);
2746	my $status;
2747	my $current = $Coro::current;
2748	(
2749	sub {
2750	$status = $!;
2751	$current->ready; undef $current;
2752	},
2753	sub {
2754	Coro::schedule while defined $current;
2755	$! = $status;
2756	},
2757	)
2758	};
2759		4099
2760	unless ($DB_ENV) {	4100	unless ($DB_ENV) {
2761	$DB_ENV = BDB::db_env_create;	4101	$DB_ENV = BDB::db_env_create;
		4102	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4103	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4104	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4105	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4106	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2762		4107
2763	cf::sync_job {	4108	cf::sync_job {
2764	eval {	4109	eval {
2765	BDB::db_env_open	4110	BDB::db_env_open
2766	$DB_ENV,	4111	$DB_ENV,
2767	$BDB_ENV_DIR,	4112	$BDBDIR,
2768	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4113	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2769	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4114	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2770	0666;	4115	0666;
2771		4116
2772	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4117	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2773
2774	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2775	$DB_ENV->set_lk_detect;
2776	};	4118	};
2777		4119
2778	cf::cleanup "db_env_open(db): $@" if $@;	4120	cf::cleanup "db_env_open(db): $@" if $@;
2779	};	4121	};
2780	}	4122	}
		4123
		4124	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4125	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4126	};
		4127	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4128	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4129	};
		4130	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4131	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4132	};
2781	}	4133	}
2782		4134
2783	{	4135	{
		4136	# configure IO::AIO
		4137
2784	IO::AIO::min_parallel 8;	4138	IO::AIO::min_parallel 8;
2785
2786	undef $Coro::AIO::WATCHER;
2787	IO::AIO::max_poll_time $TICK * 0.1;	4139	IO::AIO::max_poll_time $TICK * 0.1;
2788	$AIO_POLL_WATCHER = Event->io (	4140	undef $AnyEvent::AIO::WATCHER;
2789	reentrant => 0,
2790	data => WF_AUTOCANCEL,
2791	fd => IO::AIO::poll_fileno,
2792	poll => 'r',
2793	prio => 6,
2794	cb => \&IO::AIO::poll_cb,
2795	);
2796	}	4141	}
		4142
		4143	our $_log_backtrace;
		4144	our $_log_backtrace_last;
		4145
		4146	sub _log_backtrace {
		4147	my ($msg, @addr) = @_;
		4148
		4149	$msg =~ s/\n$//;
		4150
		4151	if ($_log_backtrace_last eq $msg) {
		4152	LOG llevInfo, "[ABT] $msg\n";
		4153	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4154	# limit the # of concurrent backtraces
		4155	} elsif ($_log_backtrace < 2) {
		4156	$_log_backtrace_last = $msg;
		4157	++$_log_backtrace;
		4158	my $perl_bt = Carp::longmess $msg;
		4159	async {
		4160	$Coro::current->{desc} = "abt $msg";
		4161
		4162	my @bt = fork_call {
		4163	@addr = map { sprintf "%x", $_ } @addr;
		4164	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4165	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4166	or die "addr2line: $!";
		4167
		4168	my @funcs;
		4169	my @res = <$fh>;
		4170	chomp for @res;
		4171	while (@res) {
		4172	my ($func, $line) = splice @res, 0, 2, ();
		4173	push @funcs, "[$func] $line";
		4174	}
		4175
		4176	@funcs
		4177	};
		4178
		4179	LOG llevInfo, "[ABT] $perl_bt\n";
		4180	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4181	LOG llevInfo, "[ABT] $_\n" for @bt;
		4182	--$_log_backtrace;
		4183	};
		4184	} else {
		4185	LOG llevInfo, "[ABT] $msg\n";
		4186	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4187	}
		4188	}
		4189
		4190	# load additional modules
		4191	require "cf/$_.pm" for @EXTRA_MODULES;
		4192	cf::_connect_to_perl_2;
2797		4193
2798	END { cf::emergency_save }	4194	END { cf::emergency_save }
2799		4195
2800	1	4196	1
2801		4197

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