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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.249 by root, Wed Apr 18 12:43:54 2007 UTC vs.
Revision 1.555 by root, Wed Jun 30 01:32:56 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) = @_;
		1863
		1864	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1865
1211	# mit "rum" bekleckern, nicht	1866	# mit "rum" bekleckern, nicht
1212	$self->_create_random_map (	1867	$self->_create_random_map (
1213	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1868	$rmp, $rmp->{total_map_hp},
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}	1869	(cf::region::find $rmp->{region})
1224	)	1870	)
1225	}	1871	}
1226		1872
1227	=item cf::map->register ($regex, $prio)	1873	=item cf::map->register ($regex, $prio)
1228		1874
…		…
1234		1880
1235	sub register {	1881	sub register {
1236	my (undef, $regex, $prio) = @_;	1882	my (undef, $regex, $prio) = @_;
1237	my $pkg = caller;	1883	my $pkg = caller;
1238		1884
1239	no strict;
1240	push @{"$pkg\::ISA"}, __PACKAGE__;	1885	push @{"$pkg\::ISA"}, __PACKAGE__;
1241		1886
1242	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1887	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1243	}	1888	}
1244		1889
1245	# also paths starting with '/'	1890	# also paths starting with '/'
1246	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1891	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1247		1892
1248	sub thawer_merge {	1893	sub thawer_merge {
1249	my ($self, $merge) = @_;	1894	my ($self, $merge) = @_;
1250		1895
1251	# we have to keep some variables in memory intact	1896	# we have to keep some variables in memory intact
1252	local $self->{path};	1897	local $self->{path};
1253	local $self->{load_path};	1898	local $self->{load_path};
1254	local $self->{deny_save};
1255	local $self->{deny_reset};
1256		1899
1257	$self->SUPER::thawer_merge ($merge);	1900	$self->SUPER::thawer_merge ($merge);
1258	}	1901	}
1259		1902
1260	sub normalise {	1903	sub normalise {
1261	my ($path, $base) = @_;	1904	my ($path, $base) = @_;
1262		1905
1263	$path = "$path"; # make sure its a string	1906	$path = "$path"; # make sure it's a string
1264		1907
1265	$path =~ s/\.map$//;	1908	$path =~ s/\.map$//;
1266		1909
1267	# map plan:	1910	# map plan:
1268	#	1911	#
…		…
1283	$base =~ s{[^/]+/?$}{};	1926	$base =~ s{[^/]+/?$}{};
1284	$path = "$base/$path";	1927	$path = "$base/$path";
1285	}	1928	}
1286		1929
1287	for ($path) {	1930	for ($path) {
1288	redo if s{//}{/};
1289	redo if s{/\.?/}{/};	1931	redo if s{/\.?/}{/};
1290	redo if s{/[^/]+/\.\./}{/};	1932	redo if s{/[^/]+/\.\./}{/};
1291	}	1933	}
1292		1934
1293	$path	1935	$path
…		…
1307	$self->init; # pass $1 etc.	1949	$self->init; # pass $1 etc.
1308	return $self;	1950	return $self;
1309	}	1951	}
1310	}	1952	}
1311		1953
1312	Carp::carp "unable to resolve path '$path' (base '$base').";	1954	Carp::cluck "unable to resolve path '$path' (base '$base')";
1313	()	1955	()
1314	}	1956	}
1315		1957
1316	sub init {	1958	sub init {
1317	my ($self) = @_;	1959	my ($self) = @_;
…		…
1332		1974
1333	# the original (read-only) location	1975	# the original (read-only) location
1334	sub load_path {	1976	sub load_path {
1335	my ($self) = @_;	1977	my ($self) = @_;
1336		1978
1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1979	"$MAPDIR/$self->{path}.map"
1338	}	1980	}
1339		1981
1340	# the temporary/swap location	1982	# the temporary/swap location
1341	sub save_path {	1983	sub save_path {
1342	my ($self) = @_;	1984	my ($self) = @_;
1343		1985
1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1986	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1987	"$TMPDIR/$path.map"
1346	}	1988	}
1347		1989
1348	# the unique path, undef == no special unique path	1990	# the unique path, undef == no special unique path
1349	sub uniq_path {	1991	sub uniq_path {
1350	my ($self) = @_;	1992	my ($self) = @_;
1351		1993
1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1994	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1995	"$UNIQUEDIR/$path"
1354	}	1996	}
1355		1997
1356	# and all this just because we cannot iterate over	1998	sub decay_objects {
1357	# all maps in C++...
1358	sub change_all_map_light {
1359	my ($change) = @_;	1999	my ($self) = @_;
1360		2000
1361	$_->change_map_light ($change)	2001	return if $self->{deny_reset};
1362	for grep $_->outdoor, values %cf::MAP;	2002
		2003	$self->do_decay_objects;
1363	}	2004	}
1364		2005
1365	sub unlink_save {	2006	sub unlink_save {
1366	my ($self) = @_;	2007	my ($self) = @_;
1367		2008
…		…
1372		2013
1373	sub load_header_from($) {	2014	sub load_header_from($) {
1374	my ($self, $path) = @_;	2015	my ($self, $path) = @_;
1375		2016
1376	utf8::encode $path;	2017	utf8::encode $path;
1377	#aio_open $path, O_RDONLY, 0	2018	my $f = new_from_file cf::object::thawer $path
1378	# or return;
1379
1380	$self->_load_header ($path)
1381	or return;	2019	or return;
		2020
		2021	$self->_load_header ($f)
		2022	or return;
		2023
		2024	local $MAP_LOADING{$self->{path}} = $self;
		2025	$f->resolve_delayed_derefs;
1382		2026
1383	$self->{load_path} = $path;	2027	$self->{load_path} = $path;
1384		2028
1385	1	2029	1
1386	}	2030	}
…		…
1425	$self->load_header_orig	2069	$self->load_header_orig
1426	or return;	2070	or return;
1427	$self->prepare_orig;	2071	$self->prepare_orig;
1428	}	2072	}
1429		2073
		2074	$self->{deny_reset} = 1
		2075	if $self->no_reset;
		2076
1430	$self->default_region (cf::region::find_by_path $self->{path})	2077	$self->default_region (cf::region::find_by_path $self->{path})
1431	unless $self->default_region;	2078	unless $self->default_region;
1432		2079
1433	1	2080	1
1434	}	2081	}
1435		2082
1436	sub find;	2083	sub find;
1437	sub find {	2084	sub find {
1438	my ($path, $origin) = @_;	2085	my ($path, $origin) = @_;
1439		2086
		2087	cf::cede_to_tick;
		2088
1440	$path = normalise $path, $origin && $origin->path;	2089	$path = normalise $path, $origin && $origin->path;
1441		2090
		2091	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1442	cf::lock_wait "map_find:$path";	2092	my $guard2 = cf::lock_acquire "map_find:$path";
1443		2093
1444	$cf::MAP{$path} || do {	2094	$cf::MAP{$path} || do {
1445	my $guard = cf::lock_acquire "map_find:$path";
1446	my $map = new_from_path cf::map $path	2095	my $map = new_from_path cf::map $path
1447	or return;	2096	or return;
1448		2097
1449	$map->{last_save} = $cf::RUNTIME;	2098	$map->{last_save} = $cf::RUNTIME;
1450		2099
1451	$map->load_header	2100	$map->load_header
1452	or return;	2101	or return;
1453		2102
1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2103	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455	# doing this can freeze the server in a sync job, obviously	2104	# doing this can freeze the server in a sync job, obviously
1456	#$cf::WAIT_FOR_TICK->wait;	2105	#$cf::WAIT_FOR_TICK->wait;
		2106	undef $guard2;
		2107	undef $guard1;
1457	$map->reset;	2108	$map->reset;
1458	undef $guard;
1459	return find $path;	2109	return find $path;
1460	}	2110	}
1461		2111
1462	$cf::MAP{$path} = $map	2112	$cf::MAP{$path} = $map
1463	}	2113	}
1464	}	2114	}
1465		2115
1466	sub pre_load { }	2116	sub pre_load { }
1467	sub post_load { }	2117	#sub post_load { } # XS
1468		2118
1469	sub load {	2119	sub load {
1470	my ($self) = @_;	2120	my ($self) = @_;
1471		2121
1472	local $self->{deny_reset} = 1; # loading can take a long time	2122	local $self->{deny_reset} = 1; # loading can take a long time
1473		2123
1474	my $path = $self->{path};	2124	my $path = $self->{path};
		2125
		2126	{
1475	my $guard = cf::lock_acquire "map_load:$path";	2127	my $guard = cf::lock_acquire "map_data:$path";
1476		2128
		2129	return unless $self->valid;
1477	return if $self->in_memory != cf::MAP_SWAPPED;	2130	return unless $self->in_memory == cf::MAP_SWAPPED;
1478		2131
1479	$self->in_memory (cf::MAP_LOADING);	2132	$self->in_memory (cf::MAP_LOADING);
1480		2133
1481	$self->alloc;	2134	$self->alloc;
1482		2135
1483	$self->pre_load;	2136	$self->pre_load;
1484	Coro::cede;	2137	cf::cede_to_tick;
1485		2138
1486	$self->_load_objects ($self->{load_path}, 1)	2139	my $f = new_from_file cf::object::thawer $self->{load_path};
		2140	$f->skip_block;
		2141	$self->_load_objects ($f)
1487	or return;	2142	or return;
1488		2143
1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2144	$self->post_load_original
1490	if delete $self->{load_original};	2145	if delete $self->{load_original};
1491		2146
1492	if (my $uniq = $self->uniq_path) {	2147	if (my $uniq = $self->uniq_path) {
1493	utf8::encode $uniq;	2148	utf8::encode $uniq;
1494	if (aio_open $uniq, O_RDONLY, 0) {	2149	unless (aio_stat $uniq) {
		2150	if (my $f = new_from_file cf::object::thawer $uniq) {
1495	$self->clear_unique_items;	2151	$self->clear_unique_items;
1496	$self->_load_objects ($uniq, 0);	2152	$self->_load_objects ($f);
		2153	$f->resolve_delayed_derefs;
		2154	}
1497	}	2155	}
1498	}	2156	}
1499		2157
1500	Coro::cede;	2158	$f->resolve_delayed_derefs;
		2159
		2160	cf::cede_to_tick;
1501	# now do the right thing for maps	2161	# now do the right thing for maps
1502	$self->link_multipart_objects;	2162	$self->link_multipart_objects;
1503	Coro::cede;
1504
1505	unless ($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)	2163	$self->difficulty ($self->estimate_difficulty)
1512	unless $self->difficulty;	2164	unless $self->difficulty;
1513	Coro::cede;	2165	cf::cede_to_tick;
		2166
		2167	unless ($self->{deny_activate}) {
		2168	$self->decay_objects;
		2169	$self->fix_auto_apply;
		2170	$self->update_buttons;
		2171	cf::cede_to_tick;
1514	$self->activate;	2172	$self->activate;
1515	Coro::cede;	2173	}
		2174
		2175	$self->{last_save} = $cf::RUNTIME;
		2176	$self->last_access ($cf::RUNTIME);
		2177
		2178	$self->in_memory (cf::MAP_ACTIVE);
1516	}	2179	}
1517		2180
1518	$self->post_load;	2181	$self->post_load;
1519	Coro::cede;
1520		2182
1521	$self->in_memory (cf::MAP_IN_MEMORY);	2183	1
1522	}	2184	}
1523		2185
		2186	# customize the map for a given player, i.e.
		2187	# return the _real_ map. used by e.g. per-player
		2188	# maps to change the path to ~playername/mappath
1524	sub customise_for {	2189	sub customise_for {
1525	my ($self, $ob) = @_;	2190	my ($self, $ob) = @_;
1526		2191
1527	return find "~" . $ob->name . "/" . $self->{path}	2192	return find "~" . $ob->name . "/" . $self->{path}
1528	if $self->per_player;	2193	if $self->per_player;
1529		2194
		2195	# return find "?party/" . $ob->name . "/" . $self->{path}
		2196	# if $self->per_party;
		2197
1530	$self	2198	$self
1531	}	2199	}
1532		2200
1533	# find and load all maps in the 3x3 area around a map	2201	# find and load all maps in the 3x3 area around a map
1534	sub load_diag {	2202	sub load_neighbours {
1535	my ($map) = @_;	2203	my ($map) = @_;
1536		2204
1537	my @diag; # diagonal neighbours	2205	my @neigh; # diagonal neighbours
1538		2206
1539	for (0 .. 3) {	2207	for (0 .. 3) {
1540	my $neigh = $map->tile_path ($_)	2208	my $neigh = $map->tile_path ($_)
1541	or next;	2209	or next;
1542	$neigh = find $neigh, $map	2210	$neigh = find $neigh, $map
1543	or next;	2211	or next;
1544	$neigh->load;	2212	$neigh->load;
1545		2213
		2214	# now find the diagonal neighbours
		2215	push @neigh,
1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2216	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2217	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1548	}	2218	}
1549		2219
1550	for (@diag) {	2220	for (grep defined $_->[0], @neigh) {
		2221	my ($path, $origin) = @$_;
1551	my $neigh = find @$_	2222	my $neigh = find $path, $origin
1552	or next;	2223	or next;
1553	$neigh->load;	2224	$neigh->load;
1554	}	2225	}
1555	}	2226	}
1556		2227
1557	sub find_sync {	2228	sub find_sync {
1558	my ($path, $origin) = @_;	2229	my ($path, $origin) = @_;
1559		2230
1560	cf::sync_job { find $path, $origin }	2231	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2232	if $Coro::current == $Coro::main;
		2233
		2234	find $path, $origin
1561	}	2235	}
1562		2236
1563	sub do_load_sync {	2237	sub do_load_sync {
1564	my ($map) = @_;	2238	my ($map) = @_;
1565		2239
1566	cf::sync_job { $map->load };	2240	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2241	if $Coro::current == $Coro::main;
		2242
		2243	$map->load;
1567	}	2244	}
1568		2245
1569	our %MAP_PREFETCH;	2246	our %MAP_PREFETCH;
1570	our $MAP_PREFETCHER = undef;	2247	our $MAP_PREFETCHER = undef;
1571		2248
1572	sub find_async {	2249	sub find_async {
1573	my ($path, $origin) = @_;	2250	my ($path, $origin, $load) = @_;
1574		2251
1575	$path = normalise $path, $origin && $origin->{path};	2252	$path = normalise $path, $origin && $origin->{path};
1576		2253
1577	if (my $map = $cf::MAP{$path}) {	2254	if (my $map = $cf::MAP{$path}) {
1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2255	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1579	}	2256	}
1580		2257
1581	undef $MAP_PREFETCH{$path};	2258	$MAP_PREFETCH{$path} |= $load;
		2259
1582	$MAP_PREFETCHER ||= cf::async {	2260	$MAP_PREFETCHER ||= cf::async {
		2261	$Coro::current->{desc} = "map prefetcher";
		2262
1583	while (%MAP_PREFETCH) {	2263	while (%MAP_PREFETCH) {
1584	for my $path (keys %MAP_PREFETCH) {	2264	while (my ($k, $v) = each %MAP_PREFETCH) {
1585	my $map = find $path	2265	if (my $map = find $k) {
1586	or next;
1587	$map->load;	2266	$map->load if $v;
		2267	}
1588		2268
1589	delete $MAP_PREFETCH{$path};	2269	delete $MAP_PREFETCH{$k};
1590	}	2270	}
1591	}	2271	}
1592	undef $MAP_PREFETCHER;	2272	undef $MAP_PREFETCHER;
1593	};	2273	};
1594	$MAP_PREFETCHER->prio (6);	2274	$MAP_PREFETCHER->prio (6);
1595		2275
1596	()	2276	()
1597	}	2277	}
1598		2278
		2279	# common code, used by both ->save and ->swapout
1599	sub save {	2280	sub _save {
1600	my ($self) = @_;	2281	my ($self) = @_;
1601
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;
1603		2282
1604	$self->{last_save} = $cf::RUNTIME;	2283	$self->{last_save} = $cf::RUNTIME;
1605		2284
1606	return unless $self->dirty;	2285	return unless $self->dirty;
1607		2286
…		…
1613	return if $self->{deny_save};	2292	return if $self->{deny_save};
1614		2293
1615	local $self->{last_access} = $self->last_access;#d#	2294	local $self->{last_access} = $self->last_access;#d#
1616		2295
1617	cf::async {	2296	cf::async {
		2297	$Coro::current->{desc} = "map player save";
1618	$_->contr->save for $self->players;	2298	$_->contr->save for $self->players;
1619	};	2299	};
		2300
		2301	cf::get_slot 0.02;
1620		2302
1621	if ($uniq) {	2303	if ($uniq) {
1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2304	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1623	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2305	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1624	} else {	2306	} else {
1625	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2307	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1626	}	2308	}
1627	}	2309	}
1628		2310
		2311	sub save {
		2312	my ($self) = @_;
		2313
		2314	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2315
		2316	$self->_save;
		2317	}
		2318
1629	sub swap_out {	2319	sub swap_out {
1630	my ($self) = @_;	2320	my ($self) = @_;
1631		2321
1632	# save first because save cedes
1633	$self->save;
1634
1635	my $lock = cf::lock_acquire "map_data:" . $self->path;	2322	my $lock = cf::lock_acquire "map_data:$self->{path}";
1636		2323
		2324	return if $self->in_memory != cf::MAP_ACTIVE;
		2325	return if $self->{deny_save};
1637	return if $self->players;	2326	return if $self->players;
1638	return if $self->in_memory != cf::MAP_IN_MEMORY;
1639	return if $self->{deny_save};
1640		2327
		2328	# first deactivate the map and "unlink" it from the core
		2329	$self->deactivate;
		2330	$_->clear_links_to ($self) for values %cf::MAP;
		2331	$self->in_memory (cf::MAP_SWAPPED);
		2332
		2333	# then atomically save
		2334	$self->_save;
		2335
		2336	# then free the map
1641	$self->clear;	2337	$self->clear;
1642	$self->in_memory (cf::MAP_SWAPPED);
1643	}	2338	}
1644		2339
1645	sub reset_at {	2340	sub reset_at {
1646	my ($self) = @_;	2341	my ($self) = @_;
1647		2342
1648	# TODO: safety, remove and allow resettable per-player maps	2343	# 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};	2344	return 1e99 if $self->{deny_reset};
1651		2345
1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2346	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2347	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654		2348
…		…
1665	my ($self) = @_;	2359	my ($self) = @_;
1666		2360
1667	my $lock = cf::lock_acquire "map_data:$self->{path}";	2361	my $lock = cf::lock_acquire "map_data:$self->{path}";
1668		2362
1669	return if $self->players;	2363	return if $self->players;
1670	return if $self->isa ("ext::map_per_player");#d#
1671		2364
1672	warn "resetting map ", $self->path;#d#	2365	cf::trace "resetting map ", $self->path, "\n";
1673		2366
1674	$self->in_memory (cf::MAP_SWAPPED);	2367	$self->in_memory (cf::MAP_SWAPPED);
1675		2368
1676	# need to save uniques path	2369	# need to save uniques path
1677	unless ($self->{deny_save}) {	2370	unless ($self->{deny_save}) {
…		…
1681	if $uniq;	2374	if $uniq;
1682	}	2375	}
1683		2376
1684	delete $cf::MAP{$self->path};	2377	delete $cf::MAP{$self->path};
1685		2378
		2379	$self->deactivate;
		2380	$_->clear_links_to ($self) for values %cf::MAP;
1686	$self->clear;	2381	$self->clear;
1687
1688	$_->clear_links_to ($self) for values %cf::MAP;
1689		2382
1690	$self->unlink_save;	2383	$self->unlink_save;
1691	$self->destroy;	2384	$self->destroy;
1692	}	2385	}
1693		2386
1694	my $nuke_counter = "aaaa";	2387	my $nuke_counter = "aaaa";
1695		2388
1696	sub nuke {	2389	sub nuke {
1697	my ($self) = @_;	2390	my ($self) = @_;
1698		2391
		2392	{
		2393	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2394
1699	delete $cf::MAP{$self->path};	2395	delete $cf::MAP{$self->path};
1700		2396
1701	$self->unlink_save;	2397	$self->unlink_save;
1702		2398
1703	bless $self, "cf::map";	2399	bless $self, "cf::map::wrap";
1704	delete $self->{deny_reset};	2400	delete $self->{deny_reset};
1705	$self->{deny_save} = 1;	2401	$self->{deny_save} = 1;
1706	$self->reset_timeout (1);	2402	$self->reset_timeout (1);
1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2403	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708		2404
1709	$cf::MAP{$self->path} = $self;	2405	$cf::MAP{$self->path} = $self;
		2406	}
1710		2407
1711	$self->reset; # polite request, might not happen	2408	$self->reset; # polite request, might not happen
		2409	}
		2410
		2411	=item $maps = cf::map::tmp_maps
		2412
		2413	Returns an arrayref with all map paths of currently instantiated and saved
		2414	maps. May block.
		2415
		2416	=cut
		2417
		2418	sub tmp_maps() {
		2419	[
		2420	map {
		2421	utf8::decode $_;
		2422	/\.map$/
		2423	? normalise $_
		2424	: ()
		2425	} @{ aio_readdir $TMPDIR or [] }
		2426	]
		2427	}
		2428
		2429	=item $maps = cf::map::random_maps
		2430
		2431	Returns an arrayref with all map paths of currently instantiated and saved
		2432	random maps. May block.
		2433
		2434	=cut
		2435
		2436	sub random_maps() {
		2437	[
		2438	map {
		2439	utf8::decode $_;
		2440	/\.map$/
		2441	? normalise "?random/$_"
		2442	: ()
		2443	} @{ aio_readdir $RANDOMDIR or [] }
		2444	]
1712	}	2445	}
1713		2446
1714	=item cf::map::unique_maps	2447	=item cf::map::unique_maps
1715		2448
1716	Returns an arrayref of paths of all shared maps that have	2449	Returns an arrayref of paths of all shared maps that have
1717	instantiated unique items. May block.	2450	instantiated unique items. May block.
1718		2451
1719	=cut	2452	=cut
1720		2453
1721	sub unique_maps() {	2454	sub unique_maps() {
1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2455	[
1723	or return;	2456	map {
1724
1725	my @paths;
1726
1727	for (@$files) {
1728	utf8::decode $_;	2457	utf8::decode $_;
1729	next if /\.pst$/;	2458	s/\.map$//; # TODO future compatibility hack
1730	next unless /^$PATH_SEP/o;	2459	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1731		2460	? ()
1732	push @paths, cf::map::normalise $_;	2461	: normalise $_
		2462	} @{ aio_readdir $UNIQUEDIR or [] }
1733	}	2463	]
1734
1735	\@paths
1736	}	2464	}
1737		2465
1738	package cf;	2466	=item cf::map::static_maps
		2467
		2468	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2469	file in the shared directory excluding F</styles> and F</editor>). May
		2470	block.
		2471
		2472	=cut
		2473
		2474	sub static_maps() {
		2475	my @dirs = "";
		2476	my @maps;
		2477
		2478	while (@dirs) {
		2479	my $dir = shift @dirs;
		2480
		2481	next if $dir eq "/styles" || $dir eq "/editor";
		2482
		2483	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2484	or return;
		2485
		2486	for (@$files) {
		2487	s/\.map$// or next;
		2488	utf8::decode $_;
		2489	push @maps, "$dir/$_";
		2490	}
		2491
		2492	push @dirs, map "$dir/$_", @$dirs;
		2493	}
		2494
		2495	\@maps
		2496	}
1739		2497
1740	=back	2498	=back
1741		2499
1742	=head3 cf::object	2500	=head3 cf::object
1743		2501
…		…
1747		2505
1748	=over 4	2506	=over 4
1749		2507
1750	=item $ob->inv_recursive	2508	=item $ob->inv_recursive
1751		2509
1752	Returns the inventory of the object _and_ their inventories, recursively.	2510	Returns the inventory of the object I<and> their inventories, recursively,
		2511	but I<not> the object itself.
1753		2512
1754	=cut	2513	=cut
1755		2514
1756	sub inv_recursive_;	2515	sub inv_recursive_;
1757	sub inv_recursive_ {	2516	sub inv_recursive_ {
…		…
1760		2519
1761	sub inv_recursive {	2520	sub inv_recursive {
1762	inv_recursive_ inv $_[0]	2521	inv_recursive_ inv $_[0]
1763	}	2522	}
1764		2523
		2524	=item $ref = $ob->ref
		2525
		2526	Creates and returns a persistent reference to an object that can be stored as a string.
		2527
		2528	=item $ob = cf::object::deref ($refstring)
		2529
		2530	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2531	even if the object actually exists. May block.
		2532
		2533	=cut
		2534
		2535	sub deref {
		2536	my ($ref) = @_;
		2537
		2538	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2539	my ($uuid, $name) = ($1, $2);
		2540	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2541	or return;
		2542	$pl->ob->uuid eq $uuid
		2543	or return;
		2544
		2545	$pl->ob
		2546	} else {
		2547	warn "$ref: cannot resolve object reference\n";
		2548	undef
		2549	}
		2550	}
		2551
1765	package cf;	2552	package cf;
1766		2553
1767	=back	2554	=back
1768		2555
1769	=head3 cf::object::player	2556	=head3 cf::object::player
…		…
1775	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2562	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	2563	can be C<undef>. Does the right thing when the player is currently in a
1777	dialogue with the given NPC character.	2564	dialogue with the given NPC character.
1778		2565
1779	=cut	2566	=cut
		2567
		2568	our $SAY_CHANNEL = {
		2569	id => "say",
		2570	title => "Map",
		2571	reply => "say ",
		2572	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2573	};
		2574
		2575	our $CHAT_CHANNEL = {
		2576	id => "chat",
		2577	title => "Chat",
		2578	reply => "chat ",
		2579	tooltip => "Player chat and shouts, global to the server.",
		2580	};
1780		2581
1781	# rough implementation of a future "reply" method that works	2582	# rough implementation of a future "reply" method that works
1782	# with dialog boxes.	2583	# with dialog boxes.
1783	#TODO: the first argument must go, split into a $npc->reply_to ( method	2584	#TODO: the first argument must go, split into a $npc->reply_to ( method
1784	sub cf::object::player::reply($$$;$) {	2585	sub cf::object::player::reply($$$;$) {
…		…
1786		2587
1787	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2588	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788		2589
1789	if ($self->{record_replies}) {	2590	if ($self->{record_replies}) {
1790	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2591	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2592
1791	} else {	2593	} else {
		2594	my $pl = $self->contr;
		2595
		2596	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2597	my $dialog = $pl->{npc_dialog};
		2598	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2599
		2600	} else {
1792	$msg = $npc->name . " says: $msg" if $npc;	2601	$msg = $npc->name . " says: $msg" if $npc;
1793	$self->message ($msg, $flags);	2602	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2603	}
1794	}	2604	}
		2605	}
		2606
		2607	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2608
		2609	=cut
		2610
		2611	sub cf::object::send_msg {
		2612	my $pl = shift->contr
		2613	or return;
		2614	$pl->send_msg (@_);
1795	}	2615	}
1796		2616
1797	=item $player_object->may ("access")	2617	=item $player_object->may ("access")
1798		2618
1799	Returns wether the given player is authorized to access resource "access"	2619	Returns wether the given player is authorized to access resource "access"
…		…
1812		2632
1813	=item $player_object->enter_link	2633	=item $player_object->enter_link
1814		2634
1815	Freezes the player and moves him/her to a special map (C<{link}>).	2635	Freezes the player and moves him/her to a special map (C<{link}>).
1816		2636
1817	The player should be reasonably safe there for short amounts of time. You	2637	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.	2638	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2639	though, as the player cannot control the character while it is on the link
		2640	map.
1819		2641
1820	Will never block.	2642	Will never block.
1821		2643
1822	=item $player_object->leave_link ($map, $x, $y)	2644	=item $player_object->leave_link ($map, $x, $y)
1823		2645
…		…
1843	sub cf::object::player::enter_link {	2665	sub cf::object::player::enter_link {
1844	my ($self) = @_;	2666	my ($self) = @_;
1845		2667
1846	$self->deactivate_recursive;	2668	$self->deactivate_recursive;
1847		2669
		2670	++$self->{_link_recursion};
		2671
1848	return if UNIVERSAL::isa $self->map, "ext::map_link";	2672	return if UNIVERSAL::isa $self->map, "ext::map_link";
1849		2673
1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2674	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851	if $self->map;	2675	if $self->map && $self->map->{path} ne "{link}";
1852		2676
1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2677	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1854	}	2678	}
1855		2679
1856	sub cf::object::player::leave_link {	2680	sub cf::object::player::leave_link {
1857	my ($self, $map, $x, $y) = @_;	2681	my ($self, $map, $x, $y) = @_;
		2682
		2683	return unless $self->contr->active;
1858		2684
1859	my $link_pos = delete $self->{_link_pos};	2685	my $link_pos = delete $self->{_link_pos};
1860		2686
1861	unless ($map) {	2687	unless ($map) {
1862	# restore original map position	2688	# restore original map position
…		…
1873	($x, $y) = (-1, -1)	2699	($x, $y) = (-1, -1)
1874	unless (defined $x) && (defined $y);	2700	unless (defined $x) && (defined $y);
1875		2701
1876	# use -1 or undef as default coordinates, not 0, 0	2702	# use -1 or undef as default coordinates, not 0, 0
1877	($x, $y) = ($map->enter_x, $map->enter_y)	2703	($x, $y) = ($map->enter_x, $map->enter_y)
1878	if $x <=0 && $y <= 0;	2704	if $x <= 0 && $y <= 0;
1879		2705
1880	$map->load;	2706	$map->load;
1881	$map->load_diag;	2707	$map->load_neighbours;
1882		2708
1883	return unless $self->contr->active;	2709	return unless $self->contr->active;
1884	$self->activate_recursive;
1885		2710
1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2711	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887	$self->enter_map ($map, $x, $y);	2712	if ($self->enter_map ($map, $x, $y)) {
1888	}	2713	# entering was successful
1889		2714	delete $self->{_link_recursion};
1890	cf::player->attach (	2715	# only activate afterwards, to support waiting in hooks
1891	on_logout => sub {	2716	$self->activate_recursive;
1892	my ($pl) = @_;
1893
1894	# abort map switching before logout
1895	if ($pl->ob->{_link_pos}) {
1896	cf::sync_job {
1897	$pl->ob->leave_link
1898	};
1899	}
1900	},	2717	}
1901	on_login => sub {
1902	my ($pl) = @_;
1903		2718
1904	# try to abort aborted map switching on player login :)	2719	}
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		2720
1922	=item $player_object->goto ($path, $x, $y)	2721	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1923		2722
		2723	Moves the player to the given map-path and coordinates by first freezing
		2724	her, loading and preparing them map, calling the provided $check callback
		2725	that has to return the map if sucecssful, and then unfreezes the player on
		2726	the new (success) or old (failed) map position. In either case, $done will
		2727	be called at the end of this process.
		2728
		2729	Note that $check will be called with a potentially non-loaded map, so if
		2730	it needs a loaded map it has to call C<< ->load >>.
		2731
1924	=cut	2732	=cut
		2733
		2734	our $GOTOGEN;
1925		2735
1926	sub cf::object::player::goto {	2736	sub cf::object::player::goto {
1927	my ($self, $path, $x, $y) = @_;	2737	my ($self, $path, $x, $y, $check, $done) = @_;
		2738
		2739	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2740	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2741	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2742	($path, $x, $y) = @$EMERGENCY_POSITION;
		2743	}
		2744
		2745	# do generation counting so two concurrent goto's will be executed in-order
		2746	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1928		2747
1929	$self->enter_link;	2748	$self->enter_link;
1930		2749
1931	(async {	2750	(async {
		2751	$Coro::current->{desc} = "player::goto $path $x $y";
		2752
		2753	# *tag paths override both path and x|y
		2754	if ($path =~ /^\*(.*)$/) {
		2755	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2756	my $ob = $obs[rand @obs];
		2757
		2758	# see if we actually can go there
		2759	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2760	$ob = $obs[rand @obs];
		2761	} else {
		2762	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2763	}
		2764	# else put us there anyways for now #d#
		2765
		2766	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2767	} else {
		2768	($path, $x, $y) = (undef, undef, undef);
		2769	}
		2770	}
		2771
1932	my $map = eval {	2772	my $map = eval {
1933	my $map = cf::map::find $path;	2773	my $map = defined $path ? cf::map::find $path : undef;
		2774
		2775	if ($map) {
1934	$map = $map->customise_for ($self) if $map;	2776	$map = $map->customise_for ($self);
		2777	$map = $check->($map, $x, $y, $self) if $check && $map;
		2778	} else {
		2779	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2780	}
		2781
1935	$map	2782	$map
		2783	};
		2784
		2785	if ($@) {
		2786	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2787	LOG llevError | logBacktrace, Carp::longmess $@;
1936	} or	2788	}
1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938		2789
		2790	if ($gen == $self->{_goto_generation}) {
		2791	delete $self->{_goto_generation};
1939	$self->leave_link ($map, $x, $y);	2792	$self->leave_link ($map, $x, $y);
		2793	}
		2794
		2795	$done->($self) if $done;
1940	})->prio (1);	2796	})->prio (1);
1941	}	2797	}
1942		2798
1943	=item $player_object->enter_exit ($exit_object)	2799	=item $player_object->enter_exit ($exit_object)
1944		2800
…		…
1964	}	2820	}
1965		2821
1966	sub prepare_random_map {	2822	sub prepare_random_map {
1967	my ($exit) = @_;	2823	my ($exit) = @_;
1968		2824
1969	my $guard = cf::lock_acquire "exit_prepare:$exit";
1970
1971	# all this does is basically replace the /! path by	2825	# all this does is basically replace the /! path by
1972	# a new random map path (?random/...) with a seed	2826	# a new random map path (?random/...) with a seed
1973	# that depends on the exit object	2827	# that depends on the exit object
1974		2828
1975	my $rmp = parse_random_map_params $exit->msg;	2829	my $rmp = parse_random_map_params $exit->msg;
…		…
1977	if ($exit->map) {	2831	if ($exit->map) {
1978	$rmp->{region} = $exit->region->name;	2832	$rmp->{region} = $exit->region->name;
1979	$rmp->{origin_map} = $exit->map->path;	2833	$rmp->{origin_map} = $exit->map->path;
1980	$rmp->{origin_x} = $exit->x;	2834	$rmp->{origin_x} = $exit->x;
1981	$rmp->{origin_y} = $exit->y;	2835	$rmp->{origin_y} = $exit->y;
		2836
		2837	$exit->map->touch;
1982	}	2838	}
1983		2839
1984	$rmp->{random_seed} ||= $exit->random_seed;	2840	$rmp->{random_seed} ||= $exit->random_seed;
1985		2841
1986	my $data = cf::to_json $rmp;	2842	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1987	my $md5 = Digest::MD5::md5_hex $data;	2843	my $md5 = Digest::MD5::md5_hex $data;
1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2844	my $meta = "$RANDOMDIR/$md5.meta";
1989		2845
1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2846	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991	aio_write $fh, 0, (length $data), $data, 0;	2847	aio_write $fh, 0, (length $data), $data, 0;
1992	undef $fh;	2848	undef $fh;
1993	aio_rename "$meta~", $meta;	2849	aio_rename "$meta~", $meta;
1994		2850
		2851	my $slaying = "?random/$md5";
		2852
		2853	if ($exit->valid) {
1995	$exit->slaying ("?random/$md5");	2854	$exit->slaying ("?random/$md5");
1996	$exit->msg (undef);	2855	$exit->msg (undef);
		2856	}
1997	}	2857	}
1998	}	2858	}
1999		2859
2000	sub cf::object::player::enter_exit {	2860	sub cf::object::player::enter_exit {
2001	my ($self, $exit) = @_;	2861	my ($self, $exit) = @_;
2002		2862
2003	return unless $self->type == cf::PLAYER;	2863	return unless $self->type == cf::PLAYER;
2004		2864
2005	if ($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;	2865	$self->enter_link;
2017		2866
2018	(async {	2867	(async {
2019	$self->deactivate_recursive; # just to be sure	2868	$Coro::current->{desc} = "enter_exit";
		2869
2020	unless (eval {	2870	unless (eval {
		2871	$self->deactivate_recursive; # just to be sure
		2872
		2873	# random map handling
		2874	{
		2875	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2876
		2877	prepare_random_map $exit
		2878	if $exit->slaying eq "/!";
		2879	}
		2880
		2881	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2882	my $x = $exit->stats->hp;
		2883	my $y = $exit->stats->sp;
		2884
2021	$self->goto ($slaying, $hp, $sp);	2885	$self->goto ($map, $x, $y);
2022		2886
		2887	# if exit is damned, update players death & WoR home-position
		2888	$self->contr->savebed ($map, $x, $y)
		2889	if $exit->flag (cf::FLAG_DAMNED);
		2890
2023	1;	2891	1
2024	}) {	2892	}) {
2025	$self->message ("Something went wrong deep within the crossfire server. "	2893	$self->message ("Something went wrong deep within the deliantra server. "
2026	. "I'll try to bring you back to the map you were before. "	2894	. "I'll try to bring you back to the map you were before. "
2027	. "Please report this to the dungeon master!",	2895	. "Please report this to the dungeon master!",
2028	cf::NDI_UNIQUE | cf::NDI_RED);	2896	cf::NDI_UNIQUE | cf::NDI_RED);
2029		2897
2030	warn "ERROR in enter_exit: $@";	2898	error "ERROR in enter_exit: $@";
2031	$self->leave_link;	2899	$self->leave_link;
2032	}	2900	}
2033	})->prio (1);	2901	})->prio (1);
2034	}	2902	}
2035		2903
…		…
2049		2917
2050	utf8::encode $text;	2918	utf8::encode $text;
2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2919	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2052	}	2920	}
2053		2921
		2922	=item $client->send_big_packet ($pkt)
		2923
		2924	Like C<send_packet>, but tries to compress large packets, and fragments
		2925	them as required.
		2926
		2927	=cut
		2928
		2929	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2930
		2931	sub cf::client::send_big_packet {
		2932	my ($self, $pkt) = @_;
		2933
		2934	# try lzf for large packets
		2935	$pkt = "lzf " . Compress::LZF::compress $pkt
		2936	if 1024 <= length $pkt and $self->{can_lzf};
		2937
		2938	# split very large packets
		2939	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2940	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2941	$pkt = "frag";
		2942	}
		2943
		2944	$self->send_packet ($pkt);
		2945	}
		2946
		2947	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2948
		2949	Send a drawinfo or msg packet to the client, formatting the msg for the
		2950	client if neccessary. C<$type> should be a string identifying the type of
		2951	the message, with C<log> being the default. If C<$color> is negative, suppress
		2952	the message unless the client supports the msg packet.
		2953
		2954	=cut
		2955
		2956	# non-persistent channels (usually the info channel)
		2957	our %CHANNEL = (
		2958	"c/motd" => {
		2959	id => "infobox",
		2960	title => "MOTD",
		2961	reply => undef,
		2962	tooltip => "The message of the day",
		2963	},
		2964	"c/identify" => {
		2965	id => "infobox",
		2966	title => "Identify",
		2967	reply => undef,
		2968	tooltip => "Items recently identified",
		2969	},
		2970	"c/examine" => {
		2971	id => "infobox",
		2972	title => "Examine",
		2973	reply => undef,
		2974	tooltip => "Signs and other items you examined",
		2975	},
		2976	"c/shopinfo" => {
		2977	id => "infobox",
		2978	title => "Shop Info",
		2979	reply => undef,
		2980	tooltip => "What your bargaining skill tells you about the shop",
		2981	},
		2982	"c/book" => {
		2983	id => "infobox",
		2984	title => "Book",
		2985	reply => undef,
		2986	tooltip => "The contents of a note or book",
		2987	},
		2988	"c/lookat" => {
		2989	id => "infobox",
		2990	title => "Look",
		2991	reply => undef,
		2992	tooltip => "What you saw there",
		2993	},
		2994	"c/who" => {
		2995	id => "infobox",
		2996	title => "Players",
		2997	reply => undef,
		2998	tooltip => "Shows players who are currently online",
		2999	},
		3000	"c/body" => {
		3001	id => "infobox",
		3002	title => "Body Parts",
		3003	reply => undef,
		3004	tooltip => "Shows which body parts you posess and are available",
		3005	},
		3006	"c/statistics" => {
		3007	id => "infobox",
		3008	title => "Statistics",
		3009	reply => undef,
		3010	tooltip => "Shows your primary statistics",
		3011	},
		3012	"c/skills" => {
		3013	id => "infobox",
		3014	title => "Skills",
		3015	reply => undef,
		3016	tooltip => "Shows your experience per skill and item power",
		3017	},
		3018	"c/shopitems" => {
		3019	id => "infobox",
		3020	title => "Shop Items",
		3021	reply => undef,
		3022	tooltip => "Shows the items currently for sale in this shop",
		3023	},
		3024	"c/resistances" => {
		3025	id => "infobox",
		3026	title => "Resistances",
		3027	reply => undef,
		3028	tooltip => "Shows your resistances",
		3029	},
		3030	"c/pets" => {
		3031	id => "infobox",
		3032	title => "Pets",
		3033	reply => undef,
		3034	tooltip => "Shows information abotu your pets/a specific pet",
		3035	},
		3036	"c/perceiveself" => {
		3037	id => "infobox",
		3038	title => "Perceive Self",
		3039	reply => undef,
		3040	tooltip => "You gained detailed knowledge about yourself",
		3041	},
		3042	"c/uptime" => {
		3043	id => "infobox",
		3044	title => "Uptime",
		3045	reply => undef,
		3046	tooltip => "How long the server has been running since last restart",
		3047	},
		3048	"c/mapinfo" => {
		3049	id => "infobox",
		3050	title => "Map Info",
		3051	reply => undef,
		3052	tooltip => "Information related to the maps",
		3053	},
		3054	"c/party" => {
		3055	id => "party",
		3056	title => "Party",
		3057	reply => "gsay ",
		3058	tooltip => "Messages and chat related to your party",
		3059	},
		3060	"c/death" => {
		3061	id => "death",
		3062	title => "Death",
		3063	reply => undef,
		3064	tooltip => "Reason for and more info about your most recent death",
		3065	},
		3066	"c/say" => $SAY_CHANNEL,
		3067	"c/chat" => $CHAT_CHANNEL,
		3068	);
		3069
		3070	sub cf::client::send_msg {
		3071	my ($self, $channel, $msg, $color, @extra) = @_;
		3072
		3073	$msg = $self->pl->expand_cfpod ($msg)
		3074	unless $color & cf::NDI_VERBATIM;
		3075
		3076	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3077
		3078	# check predefined channels, for the benefit of C
		3079	if ($CHANNEL{$channel}) {
		3080	$channel = $CHANNEL{$channel};
		3081
		3082	$self->ext_msg (channel_info => $channel);
		3083	$channel = $channel->{id};
		3084
		3085	} elsif (ref $channel) {
		3086	# send meta info to client, if not yet sent
		3087	unless (exists $self->{channel}{$channel->{id}}) {
		3088	$self->{channel}{$channel->{id}} = $channel;
		3089	$self->ext_msg (channel_info => $channel);
		3090	}
		3091
		3092	$channel = $channel->{id};
		3093	}
		3094
		3095	return unless @extra || length $msg;
		3096
		3097	# default colour, mask it out
		3098	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3099	if $color & cf::NDI_DEF;
		3100
		3101	my $pkt = "msg "
		3102	. $self->{json_coder}->encode (
		3103	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3104	);
		3105
		3106	$self->send_big_packet ($pkt);
		3107	}
		3108
2054	=item $client->ext_event ($type, %msg)	3109	=item $client->ext_msg ($type, @msg)
2055		3110
2056	Sends an exti event to the client.	3111	Sends an ext event to the client.
2057		3112
2058	=cut	3113	=cut
2059		3114
2060	sub cf::client::ext_event($$%) {	3115	sub cf::client::ext_msg($$@) {
2061	my ($self, $type, %msg) = @_;	3116	my ($self, $type, @msg) = @_;
2062		3117
		3118	if ($self->extcmd == 2) {
		3119	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3120	} elsif ($self->extcmd == 1) { # TODO: remove
2063	$msg{msgtype} = "event_$type";	3121	push @msg, msgtype => "event_$type";
2064	$self->send_packet ("ext " . cf::to_json \%msg);	3122	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3123	}
		3124	}
		3125
		3126	=item $client->ext_reply ($msgid, @msg)
		3127
		3128	Sends an ext reply to the client.
		3129
		3130	=cut
		3131
		3132	sub cf::client::ext_reply($$@) {
		3133	my ($self, $id, @msg) = @_;
		3134
		3135	if ($self->extcmd == 2) {
		3136	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3137	} elsif ($self->extcmd == 1) {
		3138	#TODO: version 1, remove
		3139	unshift @msg, msgtype => "reply", msgid => $id;
		3140	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3141	}
2065	}	3142	}
2066		3143
2067	=item $success = $client->query ($flags, "text", \&cb)	3144	=item $success = $client->query ($flags, "text", \&cb)
2068		3145
2069	Queues a query to the client, calling the given callback with	3146	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>,	3147	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>.	3148	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2072		3149
2073	Queries can fail, so check the return code. Or don't, as queries will become	3150	Queries can fail, so check the return code. Or don't, as queries will
2074	reliable at some point in the future.	3151	become reliable at some point in the future.
2075		3152
2076	=cut	3153	=cut
2077		3154
2078	sub cf::client::query {	3155	sub cf::client::query {
2079	my ($self, $flags, $text, $cb) = @_;	3156	my ($self, $flags, $text, $cb) = @_;
…		…
2087	utf8::encode $text;	3164	utf8::encode $text;
2088	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3165	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089		3166
2090	$self->send_packet ($self->{query_queue}[0][0])	3167	$self->send_packet ($self->{query_queue}[0][0])
2091	if @{ $self->{query_queue} } == 1;	3168	if @{ $self->{query_queue} } == 1;
		3169
		3170	1
2092	}	3171	}
2093		3172
2094	cf::client->attach (	3173	cf::client->attach (
		3174	on_connect => sub {
		3175	my ($ns) = @_;
		3176
		3177	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3178	},
2095	on_reply => sub {	3179	on_reply => sub {
2096	my ($ns, $msg) = @_;	3180	my ($ns, $msg) = @_;
2097		3181
2098	# this weird shuffling is so that direct followup queries	3182	# this weird shuffling is so that direct followup queries
2099	# get handled first	3183	# get handled first
…		…
2111	} else {	3195	} else {
2112	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3196	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113	}	3197	}
2114	}	3198	}
2115	},	3199	},
		3200	on_exticmd => sub {
		3201	my ($ns, $buf) = @_;
		3202
		3203	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3204
		3205	if (ref $msg) {
		3206	my ($type, $reply, @payload) =
		3207	"ARRAY" eq ref $msg
		3208	? @$msg
		3209	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3210
		3211	my @reply;
		3212
		3213	if (my $cb = $EXTICMD{$type}) {
		3214	@reply = $cb->($ns, @payload);
		3215	}
		3216
		3217	$ns->ext_reply ($reply, @reply)
		3218	if $reply;
		3219
		3220	} else {
		3221	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3222	}
		3223
		3224	cf::override;
		3225	},
2116	);	3226	);
2117		3227
2118	=item $client->async (\&cb)	3228	=item $client->async (\&cb)
2119		3229
2120	Create a new coroutine, running the specified callback. The coroutine will	3230	Create a new coroutine, running the specified callback. The coroutine will
…		…
2136		3246
2137	$coro	3247	$coro
2138	}	3248	}
2139		3249
2140	cf::client->attach (	3250	cf::client->attach (
2141	on_destroy => sub {	3251	on_client_destroy => sub {
2142	my ($ns) = @_;	3252	my ($ns) = @_;
2143		3253
2144	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3254	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2145	},	3255	},
2146	);	3256	);
…		…
2161	our $safe = new Safe "safe";	3271	our $safe = new Safe "safe";
2162	our $safe_hole = new Safe::Hole;	3272	our $safe_hole = new Safe::Hole;
2163		3273
2164	$SIG{FPE} = 'IGNORE';	3274	$SIG{FPE} = 'IGNORE';
2165		3275
2166	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3276	$safe->permit_only (Opcode::opset qw(
		3277	:base_core :base_mem :base_orig :base_math :base_loop
		3278	grepstart grepwhile mapstart mapwhile
		3279	sort time
		3280	));
2167		3281
2168	# here we export the classes and methods available to script code	3282	# here we export the classes and methods available to script code
2169		3283
2170	=pod	3284	=pod
2171		3285
2172	The following functions and methods are available within a safe environment:	3286	The following functions and methods are available within a safe environment:
2173		3287
2174	cf::object contr pay_amount pay_player map	3288	cf::object
		3289	contr pay_amount pay_player map x y force_find force_add destroy
		3290	insert remove name archname title slaying race decrease split
		3291	value
		3292
2175	cf::object::player player	3293	cf::object::player
2176	cf::player peaceful	3294	player
2177	cf::map trigger	3295
		3296	cf::player
		3297	peaceful
		3298
		3299	cf::map
		3300	trigger
2178		3301
2179	=cut	3302	=cut
2180		3303
2181	for (	3304	for (
2182	["cf::object" => qw(contr pay_amount pay_player map)],	3305	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3306	insert remove inv nrof name archname title slaying race
		3307	decrease split destroy change_exp value msg lore send_msg)],
2183	["cf::object::player" => qw(player)],	3308	["cf::object::player" => qw(player)],
2184	["cf::player" => qw(peaceful)],	3309	["cf::player" => qw(peaceful send_msg)],
2185	["cf::map" => qw(trigger)],	3310	["cf::map" => qw(trigger)],
2186	) {	3311	) {
2187	no strict 'refs';
2188	my ($pkg, @funs) = @$_;	3312	my ($pkg, @funs) = @$_;
2189	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3313	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2190	for @funs;	3314	for @funs;
2191	}	3315	}
2192		3316
…		…
2207		3331
2208	my $qcode = $code;	3332	my $qcode = $code;
2209	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3333	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2210	$qcode =~ s/\n/\\n/g;	3334	$qcode =~ s/\n/\\n/g;
2211		3335
		3336	%vars = (_dummy => 0) unless %vars;
		3337
		3338	my @res;
2212	local $_;	3339	local $_;
2213	local @safe::cf::_safe_eval_args = values %vars;
2214		3340
2215	my $eval =	3341	my $eval =
2216	"do {\n"	3342	"do {\n"
2217	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3343	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2218	. "#line 0 \"{$qcode}\"\n"	3344	. "#line 0 \"{$qcode}\"\n"
2219	. $code	3345	. $code
2220	. "\n}"	3346	. "\n}"
2221	;	3347	;
2222		3348
		3349	if ($CFG{safe_eval}) {
2223	sub_generation_inc;	3350	sub_generation_inc;
		3351	local @safe::cf::_safe_eval_args = values %vars;
2224	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3352	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2225	sub_generation_inc;	3353	sub_generation_inc;
		3354	} else {
		3355	local @cf::_safe_eval_args = values %vars;
		3356	@res = wantarray ? eval eval : scalar eval $eval;
		3357	}
2226		3358
2227	if ($@) {	3359	if ($@) {
2228	warn "$@";	3360	warn "$@",
2229	warn "while executing safe code '$code'\n";	3361	"while executing safe code '$code'\n",
2230	warn "with arguments " . (join " ", %vars) . "\n";	3362	"with arguments " . (join " ", %vars) . "\n";
2231	}	3363	}
2232		3364
2233	wantarray ? @res : $res[0]	3365	wantarray ? @res : $res[0]
2234	}	3366	}
2235		3367
…		…
2249	=cut	3381	=cut
2250		3382
2251	sub register_script_function {	3383	sub register_script_function {
2252	my ($fun, $cb) = @_;	3384	my ($fun, $cb) = @_;
2253		3385
2254	no strict 'refs';	3386	$fun = "safe::$fun" if $CFG{safe_eval};
2255	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3387	*$fun = $safe_hole->wrap ($cb);
2256	}	3388	}
2257		3389
2258	=back	3390	=back
2259		3391
2260	=cut	3392	=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
2334	=item cf::cache $id => ...
2335
2336	Generic caching function that returns the value of the resource $id,
2337	caching and regenerating as required.
2338
2339	This function can block.
2340
2341	source => filename returning the data (must be a scalar)
2342	expensive => true == try to cache harder
2343	filter => sub that processes the data into a scalar
2344
2345	=cut
2346
2347	sub cache {
2348	my ($id, %arg) = @_;
2349
2350	aio_stat $arg{source}
2351	and Carp::croak "$arg{source}: $!";
2352
2353	my $meta = join ":", (stat _)[7,9];
2354	my $md5;
2355
2356	if ($arg{expensive}) {
2357	0 <= aio_load $arg{source}, my $buf
2358	or Carp::croak "$arg{source}: $!";
2359
2360	$md5 = Digest::MD5::md5_hex $buf;
2361	}
2362
2363	my $dbmeta = db_get "$id/meta";
2364	if ($dbmeta ne $meta) {
2365	# changed, we need to process
2366	} else {
2367	# just fetch
2368	}
2369
2370
2371	}
2372		3393
2373	#############################################################################	3394	#############################################################################
2374	# the server's init and main functions	3395	# the server's init and main functions
2375		3396
2376	sub load_facedata($) {	3397	sub load_facedata($) {
2377	my ($path) = @_;	3398	my ($path) = @_;
2378		3399
		3400	# HACK to clear player env face cache, we need some signal framework
		3401	# for this (global event?)
		3402	%ext::player_env::MUSIC_FACE_CACHE = ();
		3403
		3404	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3405
2379	warn "loading facedata from $path\n";	3406	trace "loading facedata from $path\n";
2380		3407
2381	my $facedata;
2382	0 < aio_load $path, $facedata	3408	0 < aio_load $path, my $facedata
2383	or die "$path: $!";	3409	or die "$path: $!";
2384		3410
2385	$facedata = Coro::Storable::thaw $facedata;	3411	$facedata = Coro::Storable::thaw $facedata;
2386		3412
2387	$facedata->{version} == 2	3413	$facedata->{version} == 2
2388	or cf::cleanup "$path: version mismatch, cannot proceed.";	3414	or cf::cleanup "$path: version mismatch, cannot proceed.";
2389		3415
		3416	# patch in the exptable
		3417	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3418	$facedata->{resource}{"res/exp_table"} = {
		3419	type => FT_RSRC,
		3420	data => $exp_table,
		3421	hash => (Digest::MD5::md5 $exp_table),
		3422	};
		3423	cf::cede_to_tick;
		3424
2390	{	3425	{
2391	my $faces = $facedata->{faceinfo};	3426	my $faces = $facedata->{faceinfo};
2392		3427
2393	while (my ($face, $info) = each %$faces) {	3428	while (my ($face, $info) = each %$faces) {
2394	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3429	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3430
2395	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3431	cf::face::set_visibility $idx, $info->{visibility};
		3432	cf::face::set_magicmap $idx, $info->{magicmap};
2396	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3433	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2397	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3434	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2398	Coro::cede;	3435
		3436	cf::cede_to_tick;
2399	}	3437	}
2400		3438
2401	while (my ($face, $info) = each %$faces) {	3439	while (my ($face, $info) = each %$faces) {
2402	next unless $info->{smooth};	3440	next unless $info->{smooth};
		3441
2403	my $idx = cf::face::find $face	3442	my $idx = cf::face::find $face
2404	or next;	3443	or next;
		3444
2405	if (my $smooth = cf::face::find $info->{smooth}) {	3445	if (my $smooth = cf::face::find $info->{smooth}) {
		3446	cf::face::set_smooth $idx, $smooth;
2406	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3447	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2407	} else {	3448	} else {
2408	warn "smooth face '$info->{smooth}' not found for face '$face'";	3449	error "smooth face '$info->{smooth}' not found for face '$face'";
2409	}	3450	}
2410	Coro::cede;	3451
		3452	cf::cede_to_tick;
2411	}	3453	}
2412	}	3454	}
2413		3455
2414	{	3456	{
2415	my $anims = $facedata->{animinfo};	3457	my $anims = $facedata->{animinfo};
2416		3458
2417	while (my ($anim, $info) = each %$anims) {	3459	while (my ($anim, $info) = each %$anims) {
2418	cf::anim::set $anim, $info->{frames}, $info->{facings};	3460	cf::anim::set $anim, $info->{frames}, $info->{facings};
2419	Coro::cede;	3461	cf::cede_to_tick;
2420	}	3462	}
2421		3463
2422	cf::anim::invalidate_all; # d'oh	3464	cf::anim::invalidate_all; # d'oh
2423	}	3465	}
2424		3466
		3467	{
		3468	my $res = $facedata->{resource};
		3469
		3470	while (my ($name, $info) = each %$res) {
		3471	if (defined $info->{type}) {
		3472	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3473
		3474	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3475	cf::face::set_type $idx, $info->{type};
		3476	} else {
		3477	$RESOURCE{$name} = $info; # unused
		3478	}
		3479
		3480	cf::cede_to_tick;
		3481	}
		3482	}
		3483
		3484	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3485
2425	1	3486	1
2426	}	3487	}
2427		3488
		3489	register_exticmd fx_want => sub {
		3490	my ($ns, $want) = @_;
		3491
		3492	while (my ($k, $v) = each %$want) {
		3493	$ns->fx_want ($k, $v);
		3494	}
		3495	};
		3496
		3497	sub load_resource_file($) {
		3498	my $guard = lock_acquire "load_resource_file";
		3499
		3500	my $status = load_resource_file_ $_[0];
		3501	get_slot 0.1, 100;
		3502	cf::arch::commit_load;
		3503
		3504	$status
		3505	}
		3506
		3507	sub reload_regions {
		3508	# HACK to clear player env face cache, we need some signal framework
		3509	# for this (global event?)
		3510	%ext::player_env::MUSIC_FACE_CACHE = ();
		3511
		3512	load_resource_file "$MAPDIR/regions"
		3513	or die "unable to load regions file\n";
		3514
		3515	for (cf::region::list) {
		3516	$_->{match} = qr/$_->{match}/
		3517	if exists $_->{match};
		3518	}
		3519	}
		3520
2428	sub reload_facedata {	3521	sub reload_facedata {
2429	load_facedata sprintf "%s/facedata", cf::datadir	3522	load_facedata "$DATADIR/facedata"
2430	or die "unable to load facedata\n";	3523	or die "unable to load facedata\n";
2431	}	3524	}
2432		3525
2433	sub reload_regions {
2434	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2435	or die "unable to load regions file\n";
2436	}
2437
2438	sub reload_archetypes {	3526	sub reload_archetypes {
2439	load_resource_file sprintf "%s/archetypes", cf::datadir	3527	load_resource_file "$DATADIR/archetypes"
2440	or die "unable to load archetypes\n";	3528	or die "unable to load archetypes\n";
2441	}	3529	}
2442		3530
2443	sub reload_treasures {	3531	sub reload_treasures {
2444	load_resource_file sprintf "%s/treasures", cf::datadir	3532	load_resource_file "$DATADIR/treasures"
2445	or die "unable to load treasurelists\n";	3533	or die "unable to load treasurelists\n";
2446	}	3534	}
2447		3535
		3536	sub reload_sound {
		3537	trace "loading sound config from $DATADIR/sound\n";
		3538
		3539	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3540	or die "$DATADIR/sound $!";
		3541
		3542	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3543
		3544	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3545	my $sound = $soundconf->{compat}[$_]
		3546	or next;
		3547
		3548	my $face = cf::face::find "sound/$sound->[1]";
		3549	cf::sound::set $sound->[0] => $face;
		3550	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3551	}
		3552
		3553	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3554	my $face = cf::face::find "sound/$v";
		3555	cf::sound::set $k => $face;
		3556	}
		3557	}
		3558
2448	sub reload_resources {	3559	sub reload_resources {
2449	warn "reloading resource files...\n";	3560	trace "reloading resource files...\n";
2450		3561
		3562	reload_exp_table;
		3563	reload_materials;
		3564	reload_facedata;
		3565	reload_sound;
		3566	reload_archetypes;
2451	reload_regions;	3567	reload_regions;
2452	reload_facedata;
2453	reload_archetypes;
2454	reload_treasures;	3568	reload_treasures;
2455		3569
2456	warn "finished reloading resource files\n";	3570	trace "finished reloading resource files\n";
2457	}	3571	}
2458		3572
2459	sub init {	3573	sub reload_config {
2460	reload_resources;	3574	trace "reloading config file...\n";
2461	}
2462		3575
2463	sub cfg_load {	3576	0 < aio_load "$CONFDIR/config", my $config
2464	open my $fh, "<:utf8", cf::confdir . "/config"	3577	or die "$CONFDIR/config: $!";
2465	or return;
2466		3578
2467	local $/;	3579	utf8::decode $config;
2468	*CFG = YAML::Syck::Load <$fh>;	3580	*CFG = yaml_load $config;
2469		3581
2470	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3582	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2471		3583
2472	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3584	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2473	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3585	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2474		3586
2475	if (exists $CFG{mlockall}) {	3587	if (exists $CFG{mlockall}) {
…		…
2479	};	3591	};
2480	warn $@ if $@;	3592	warn $@ if $@;
2481	}	3593	}
2482	}	3594	}
2483		3595
		3596	sub pidfile() {
		3597	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3598	or die "$PIDFILE: $!";
		3599	flock $fh, &Fcntl::LOCK_EX
		3600	or die "$PIDFILE: flock: $!";
		3601	$fh
		3602	}
		3603
		3604	# make sure only one server instance is running at any one time
		3605	sub atomic {
		3606	my $fh = pidfile;
		3607
		3608	my $pid = <$fh>;
		3609	kill 9, $pid if $pid > 0;
		3610
		3611	seek $fh, 0, 0;
		3612	print $fh $$;
		3613	}
		3614
		3615	sub main_loop {
		3616	trace "EV::loop starting\n";
		3617	if (1) {
		3618	EV::loop;
		3619	}
		3620	trace "EV::loop returned\n";
		3621	goto &main_loop unless $REALLY_UNLOOP;
		3622	}
		3623
2484	sub main {	3624	sub main {
		3625	cf::init_globals; # initialise logging
		3626
		3627	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3628	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3629	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3630	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3631
		3632	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3633
2485	# we must not ever block the main coroutine	3634	# we must not ever block the main coroutine
2486	local $Coro::idle = sub {	3635	local $Coro::idle = sub {
2487	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3636	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2488	(async {	3637	(async {
2489	Event::one_event;	3638	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3639	EV::loop EV::LOOP_ONESHOT;
2490	})->prio (Coro::PRIO_MAX);	3640	})->prio (Coro::PRIO_MAX);
2491	};	3641	};
2492		3642
2493	cfg_load;	3643	evthread_start IO::AIO::poll_fileno;
		3644
		3645	cf::sync_job {
		3646	cf::incloader::init ();
		3647
		3648	cf::init_anim;
		3649	cf::init_attackmess;
		3650	cf::init_dynamic;
		3651
		3652	cf::load_settings;
		3653
		3654	reload_resources;
		3655	reload_config;
2494	db_init;	3656	db_init;
		3657
		3658	cf::init_uuid;
		3659	cf::init_signals;
		3660	cf::init_skills;
		3661
		3662	cf::init_beforeplay;
		3663
		3664	atomic;
		3665
2495	load_extensions;	3666	load_extensions;
2496		3667
2497	$TICK_WATCHER->start;	3668	utime time, time, $RUNTIMEFILE;
2498	Event::loop;	3669
		3670	# no (long-running) fork's whatsoever before this point(!)
		3671	use POSIX ();
		3672	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3673
		3674	cf::_post_init 0;
		3675	};
		3676
		3677	cf::object::thawer::errors_are_fatal 0;
		3678	info "parse errors in files are no longer fatal from this point on.\n";
		3679
		3680	my $free_main; $free_main = EV::idle sub {
		3681	undef $free_main;
		3682	undef &main; # free gobs of memory :)
		3683	};
		3684
		3685	goto &main_loop;
2499	}	3686	}
2500		3687
2501	#############################################################################	3688	#############################################################################
2502	# initialisation and cleanup	3689	# initialisation and cleanup
2503		3690
2504	# install some emergency cleanup handlers	3691	# install some emergency cleanup handlers
2505	BEGIN {	3692	BEGIN {
		3693	our %SIGWATCHER = ();
2506	for my $signal (qw(INT HUP TERM)) {	3694	for my $signal (qw(INT HUP TERM)) {
2507	Event->signal (	3695	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2508	reentrant => 0,
2509	data => WF_AUTOCANCEL,
2510	signal => $signal,
2511	prio => 0,
2512	cb => sub {
2513	cf::cleanup "SIG$signal";	3696	cf::cleanup "SIG$signal";
2514	},
2515	);	3697	};
		3698	}
		3699	}
		3700
		3701	sub write_runtime_sync {
		3702	my $t0 = AE::time;
		3703
		3704	# first touch the runtime file to show we are still running:
		3705	# the fsync below can take a very very long time.
		3706
		3707	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3708
		3709	my $guard = cf::lock_acquire "write_runtime";
		3710
		3711	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3712	or return;
		3713
		3714	my $value = $cf::RUNTIME + 90 + 10;
		3715	# 10 is the runtime save interval, for a monotonic clock
		3716	# 60 allows for the watchdog to kill the server.
		3717
		3718	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3719	and return;
		3720
		3721	# always fsync - this file is important
		3722	aio_fsync $fh
		3723	and return;
		3724
		3725	# touch it again to show we are up-to-date
		3726	aio_utime $fh, undef, undef;
		3727
		3728	close $fh
		3729	or return;
		3730
		3731	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3732	and return;
		3733
		3734	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3735
2516	}	3736	1
		3737	}
		3738
		3739	our $uuid_lock;
		3740	our $uuid_skip;
		3741
		3742	sub write_uuid_sync($) {
		3743	$uuid_skip ||= $_[0];
		3744
		3745	return if $uuid_lock;
		3746	local $uuid_lock = 1;
		3747
		3748	my $uuid = "$LOCALDIR/uuid";
		3749
		3750	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3751	or return;
		3752
		3753	my $value = uuid_seq uuid_cur;
		3754
		3755	unless ($value) {
		3756	info "cowardly refusing to write zero uuid value!\n";
		3757	return;
		3758	}
		3759
		3760	my $value = uuid_str $value + $uuid_skip;
		3761	$uuid_skip = 0;
		3762
		3763	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3764	and return;
		3765
		3766	# always fsync - this file is important
		3767	aio_fsync $fh
		3768	and return;
		3769
		3770	close $fh
		3771	or return;
		3772
		3773	aio_rename "$uuid~", $uuid
		3774	and return;
		3775
		3776	trace "uuid file written ($value).\n";
		3777
		3778	1
		3779
		3780	}
		3781
		3782	sub write_uuid($$) {
		3783	my ($skip, $sync) = @_;
		3784
		3785	$sync ? write_uuid_sync $skip
		3786	: async { write_uuid_sync $skip };
2517	}	3787	}
2518		3788
2519	sub emergency_save() {	3789	sub emergency_save() {
2520	my $freeze_guard = cf::freeze_mainloop;	3790	my $freeze_guard = cf::freeze_mainloop;
2521		3791
2522	warn "enter emergency perl save\n";	3792	info "emergency_perl_save: enter\n";
		3793
		3794	# this is a trade-off: we want to be very quick here, so
		3795	# save all maps without fsync, and later call a global sync
		3796	# (which in turn might be very very slow)
		3797	local $USE_FSYNC = 0;
2523		3798
2524	cf::sync_job {	3799	cf::sync_job {
		3800	cf::write_runtime_sync; # external watchdog should not bark
		3801
2525	# use a peculiar iteration method to avoid tripping on perl	3802	# use a peculiar iteration method to avoid tripping on perl
2526	# refcount bugs in for. also avoids problems with players	3803	# refcount bugs in for. also avoids problems with players
2527	# and maps saved/destroyed asynchronously.	3804	# and maps saved/destroyed asynchronously.
2528	warn "begin emergency player save\n";	3805	info "emergency_perl_save: begin player save\n";
2529	for my $login (keys %cf::PLAYER) {	3806	for my $login (keys %cf::PLAYER) {
2530	my $pl = $cf::PLAYER{$login} or next;	3807	my $pl = $cf::PLAYER{$login} or next;
2531	$pl->valid or next;	3808	$pl->valid or next;
		3809	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2532	$pl->save;	3810	$pl->save;
2533	}	3811	}
2534	warn "end emergency player save\n";	3812	info "emergency_perl_save: end player save\n";
2535		3813
2536	warn "begin emergency map save\n";	3814	cf::write_runtime_sync; # external watchdog should not bark
		3815
		3816	info "emergency_perl_save: begin map save\n";
2537	for my $path (keys %cf::MAP) {	3817	for my $path (keys %cf::MAP) {
2538	my $map = $cf::MAP{$path} or next;	3818	my $map = $cf::MAP{$path} or next;
2539	$map->valid or next;	3819	$map->valid or next;
2540	$map->save;	3820	$map->save;
2541	}	3821	}
2542	warn "end emergency map save\n";	3822	info "emergency_perl_save: end map save\n";
2543		3823
2544	warn "begin emergency database checkpoint\n";	3824	cf::write_runtime_sync; # external watchdog should not bark
		3825
		3826	info "emergency_perl_save: begin database checkpoint\n";
2545	BDB::db_env_txn_checkpoint $DB_ENV;	3827	BDB::db_env_txn_checkpoint $DB_ENV;
2546	warn "end emergency database checkpoint\n";	3828	info "emergency_perl_save: end database checkpoint\n";
		3829
		3830	info "emergency_perl_save: begin write uuid\n";
		3831	write_uuid_sync 1;
		3832	info "emergency_perl_save: end write uuid\n";
		3833
		3834	cf::write_runtime_sync; # external watchdog should not bark
		3835
		3836	trace "emergency_perl_save: syncing database to disk";
		3837	BDB::db_env_txn_checkpoint $DB_ENV;
		3838
		3839	info "emergency_perl_save: starting sync\n";
		3840	IO::AIO::aio_sync sub {
		3841	info "emergency_perl_save: finished sync\n";
		3842	};
		3843
		3844	cf::write_runtime_sync; # external watchdog should not bark
		3845
		3846	trace "emergency_perl_save: flushing outstanding aio requests";
		3847	while (IO::AIO::nreqs || BDB::nreqs) {
		3848	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3849	}
		3850
		3851	cf::write_runtime_sync; # external watchdog should not bark
2547	};	3852	};
2548		3853
2549	warn "leave emergency perl save\n";	3854	info "emergency_perl_save: leave\n";
2550	}	3855	}
2551		3856
2552	sub post_cleanup {	3857	sub post_cleanup {
2553	my ($make_core) = @_;	3858	my ($make_core) = @_;
2554		3859
		3860	IO::AIO::flush;
		3861
2555	warn Carp::longmess "post_cleanup backtrace"	3862	error Carp::longmess "post_cleanup backtrace"
2556	if $make_core;	3863	if $make_core;
		3864
		3865	my $fh = pidfile;
		3866	unlink $PIDFILE if <$fh> == $$;
		3867	}
		3868
		3869	# a safer delete_package, copied from Symbol
		3870	sub clear_package($) {
		3871	my $pkg = shift;
		3872
		3873	# expand to full symbol table name if needed
		3874	unless ($pkg =~ /^main::.*::$/) {
		3875	$pkg = "main$pkg" if $pkg =~ /^::/;
		3876	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3877	$pkg .= '::' unless $pkg =~ /::$/;
		3878	}
		3879
		3880	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3881	my $stem_symtab = *{$stem}{HASH};
		3882
		3883	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3884	or return;
		3885
		3886	# clear all symbols
		3887	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3888	for my $name (keys %$leaf_symtab) {
		3889	_gv_clear *{"$pkg$name"};
		3890	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3891	}
2557	}	3892	}
2558		3893
2559	sub do_reload_perl() {	3894	sub do_reload_perl() {
2560	# can/must only be called in main	3895	# can/must only be called in main
2561	if ($Coro::current != $Coro::main) {	3896	unless (in_main) {
2562	warn "can only reload from main coroutine";	3897	error "can only reload from main coroutine";
2563	return;	3898	return;
2564	}	3899	}
2565		3900
2566	warn "reloading...";	3901	return if $RELOAD++;
2567		3902
2568	warn "entering sync_job";	3903	my $t1 = AE::time;
2569		3904
		3905	while ($RELOAD) {
		3906	cf::get_slot 0.1, -1, "reload_perl";
		3907	info "perl_reload: reloading...";
		3908
		3909	trace "perl_reload: entering sync_job";
		3910
2570	cf::sync_job {	3911	cf::sync_job {
2571	cf::write_runtime; # external watchdog should not bark
2572	cf::emergency_save;	3912	#cf::emergency_save;
2573	cf::write_runtime; # external watchdog should not bark
2574		3913
2575	warn "syncing database to disk";
2576	BDB::db_env_txn_checkpoint $DB_ENV;
2577
2578	# if anything goes wrong in here, we should simply crash as we already saved
2579
2580	warn "cancelling all WF_AUTOCANCEL watchers";
2581	for (Event::all_watchers) {
2582	$_->cancel if $_->data & WF_AUTOCANCEL;
2583	}
2584
2585	warn "flushing outstanding aio requests";
2586	for (;;) {
2587	BDB::flush;
2588	IO::AIO::flush;
2589	Coro::cede;
2590	last unless IO::AIO::nreqs || BDB::nreqs;
2591	warn "iterate...";
2592	}
2593
2594	++$RELOAD;
2595
2596	warn "cancelling all extension coros";	3914	trace "perl_reload: cancelling all extension coros";
2597	$_->cancel for values %EXT_CORO;	3915	$_->cancel for values %EXT_CORO;
2598	%EXT_CORO = ();	3916	%EXT_CORO = ();
2599		3917
2600	warn "removing commands";	3918	trace "perl_reload: removing commands";
2601	%COMMAND = ();	3919	%COMMAND = ();
2602		3920
2603	warn "removing ext commands";	3921	trace "perl_reload: removing ext/exti commands";
2604	%EXTCMD = ();	3922	%EXTCMD = ();
		3923	%EXTICMD = ();
2605		3924
2606	warn "unloading/nuking all extensions";	3925	trace "perl_reload: unloading/nuking all extensions";
2607	for my $pkg (@EXTS) {	3926	for my $pkg (@EXTS) {
2608	warn "... unloading $pkg";	3927	trace "... unloading $pkg";
2609		3928
2610	if (my $cb = $pkg->can ("unload")) {	3929	if (my $cb = $pkg->can ("unload")) {
2611	eval {	3930	eval {
2612	$cb->($pkg);	3931	$cb->($pkg);
2613	1	3932	1
2614	} or warn "$pkg unloaded, but with errors: $@";	3933	} or error "$pkg unloaded, but with errors: $@";
		3934	}
		3935
		3936	trace "... clearing $pkg";
		3937	clear_package $pkg;
2615	}	3938	}
2616		3939
2617	warn "... nuking $pkg";
2618	Symbol::delete_package $pkg;
2619	}
2620
2621	warn "unloading all perl modules loaded from $LIBDIR";	3940	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2622	while (my ($k, $v) = each %INC) {	3941	while (my ($k, $v) = each %INC) {
2623	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3942	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2624		3943
2625	warn "... unloading $k";	3944	trace "... unloading $k";
2626	delete $INC{$k};	3945	delete $INC{$k};
2627		3946
2628	$k =~ s/\.pm$//;	3947	$k =~ s/\.pm$//;
2629	$k =~ s/\//::/g;	3948	$k =~ s/\//::/g;
2630		3949
2631	if (my $cb = $k->can ("unload_module")) {	3950	if (my $cb = $k->can ("unload_module")) {
2632	$cb->();	3951	$cb->();
		3952	}
		3953
		3954	clear_package $k;
2633	}	3955	}
2634		3956
2635	Symbol::delete_package $k;
2636	}
2637
2638	warn "getting rid of safe::, as good as possible";	3957	trace "perl_reload: getting rid of safe::, as good as possible";
2639	Symbol::delete_package "safe::$_"	3958	clear_package "safe::$_"
2640	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3959	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2641		3960
2642	warn "unloading cf.pm \"a bit\"";	3961	trace "perl_reload: unloading cf.pm \"a bit\"";
2643	delete $INC{"cf.pm"};	3962	delete $INC{"cf.pm"};
		3963	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2644		3964
2645	# don't, removes xs symbols, too,	3965	# don't, removes xs symbols, too,
2646	# and global variables created in xs	3966	# and global variables created in xs
2647	#Symbol::delete_package __PACKAGE__;	3967	#clear_package __PACKAGE__;
2648		3968
2649	warn "unload completed, starting to reload now";	3969	info "perl_reload: unload completed, starting to reload now";
2650		3970
2651	warn "reloading cf.pm";	3971	trace "perl_reload: reloading cf.pm";
2652	require cf;	3972	require cf;
2653	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3973	cf::_connect_to_perl_1;
2654		3974
2655	warn "loading config and database again";	3975	trace "perl_reload: loading config and database again";
2656	cf::cfg_load;	3976	cf::reload_config;
2657		3977
2658	warn "loading extensions";	3978	trace "perl_reload: loading extensions";
2659	cf::load_extensions;	3979	cf::load_extensions;
2660		3980
		3981	if ($REATTACH_ON_RELOAD) {
2661	warn "reattaching attachments to objects/players";	3982	trace "perl_reload: reattaching attachments to objects/players";
2662	_global_reattach; # objects, sockets	3983	_global_reattach; # objects, sockets
2663	warn "reattaching attachments to maps";	3984	trace "perl_reload: reattaching attachments to maps";
2664	reattach $_ for values %MAP;	3985	reattach $_ for values %MAP;
2665	warn "reattaching attachments to players";	3986	trace "perl_reload: reattaching attachments to players";
2666	reattach $_ for values %PLAYER;	3987	reattach $_ for values %PLAYER;
		3988	}
2667		3989
2668	warn "leaving sync_job";	3990	cf::_post_init 1;
2669		3991
		3992	trace "perl_reload: leaving sync_job";
		3993
2670	1	3994	1
2671	} or do {	3995	} or do {
2672	warn $@;	3996	error $@;
2673	warn "error while reloading, exiting.";	3997	cf::cleanup "perl_reload: error, exiting.";
2674	exit 1;	3998	};
		3999
		4000	--$RELOAD;
2675	};	4001	}
2676		4002
2677	warn "reloaded";	4003	$t1 = AE::time - $t1;
		4004	info "perl_reload: completed in ${t1}s\n";
2678	};	4005	};
2679		4006
2680	our $RELOAD_WATCHER; # used only during reload	4007	our $RELOAD_WATCHER; # used only during reload
2681		4008
2682	sub reload_perl() {	4009	sub reload_perl() {
2683	# doing reload synchronously and two reloads happen back-to-back,	4010	# doing reload synchronously and two reloads happen back-to-back,
2684	# coro crashes during coro_state_free->destroy here.	4011	# coro crashes during coro_state_free->destroy here.
2685		4012
2686	$RELOAD_WATCHER ||= Event->timer (	4013	$RELOAD_WATCHER ||= cf::async {
2687	reentrant => 0,	4014	Coro::AIO::aio_wait cache_extensions;
2688	after => 0,	4015
2689	data => WF_AUTOCANCEL,	4016	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2690	cb => sub {
2691	do_reload_perl;	4017	do_reload_perl;
2692	undef $RELOAD_WATCHER;	4018	undef $RELOAD_WATCHER;
2693	},	4019	};
2694	);	4020	};
2695	}	4021	}
2696		4022
2697	register_command "reload" => sub {	4023	register_command "reload" => sub {
2698	my ($who, $arg) = @_;	4024	my ($who, $arg) = @_;
2699		4025
2700	if ($who->flag (FLAG_WIZ)) {	4026	if ($who->flag (FLAG_WIZ)) {
2701	$who->message ("reloading server.");	4027	$who->message ("reloading server.");
		4028	async {
		4029	$Coro::current->{desc} = "perl_reload";
2702	async { reload_perl };	4030	reload_perl;
		4031	};
2703	}	4032	}
2704	};	4033	};
2705		4034
2706	unshift @INC, $LIBDIR;	4035	#############################################################################
2707		4036
2708	my $bug_warning = 0;	4037	my $bug_warning = 0;
2709		4038
2710	our @WAIT_FOR_TICK;	4039	our @WAIT_FOR_TICK;
2711	our @WAIT_FOR_TICK_BEGIN;	4040	our @WAIT_FOR_TICK_BEGIN;
2712		4041
2713	sub wait_for_tick {	4042	sub wait_for_tick() {
2714	return unless $TICK_WATCHER->is_active;
2715	return if $Coro::current == $Coro::main;	4043	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2716		4044
2717	my $signal = new Coro::Signal;	4045	my $signal = new Coro::Signal;
2718	push @WAIT_FOR_TICK, $signal;	4046	push @WAIT_FOR_TICK, $signal;
2719	$signal->wait;	4047	$signal->wait;
2720	}	4048	}
2721		4049
2722	sub wait_for_tick_begin {	4050	sub wait_for_tick_begin() {
2723	return unless $TICK_WATCHER->is_active;
2724	return if $Coro::current == $Coro::main;	4051	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2725		4052
2726	my $signal = new Coro::Signal;	4053	my $signal = new Coro::Signal;
2727	push @WAIT_FOR_TICK_BEGIN, $signal;	4054	push @WAIT_FOR_TICK_BEGIN, $signal;
2728	$signal->wait;	4055	$signal->wait;
2729	}	4056	}
2730		4057
2731	$TICK_WATCHER = Event->timer (	4058	sub tick {
2732	reentrant => 0,
2733	parked => 1,
2734	prio => 0,
2735	at => $NEXT_TICK || $TICK,
2736	data => WF_AUTOCANCEL,
2737	cb => sub {
2738	if ($Coro::current != $Coro::main) {	4059	if ($Coro::current != $Coro::main) {
2739	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4060	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2740	unless ++$bug_warning > 10;	4061	unless ++$bug_warning > 10;
2741	return;	4062	return;
2742	}	4063	}
2743		4064
2744	$NOW = Event::time;
2745
2746	cf::server_tick; # one server iteration	4065	cf::server_tick; # one server iteration
2747		4066
2748	$RUNTIME += $TICK;	4067	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2749	$NEXT_TICK += $TICK;
2750		4068
2751	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4069	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2752	$NEXT_RUNTIME_WRITE = $NOW + 10;	4070	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2753	Coro::async_pool {	4071	Coro::async_pool {
		4072	$Coro::current->{desc} = "runtime saver";
2754	write_runtime	4073	write_runtime_sync
2755	or warn "ERROR: unable to write runtime file: $!";	4074	or error "ERROR: unable to write runtime file: $!";
2756	};
2757	}	4075	};
		4076	}
2758		4077
2759	# my $AFTER = Event::time;
2760	# warn $AFTER - $NOW;#d#
2761
2762	# if we are delayed by four ticks or more, skip them all
2763	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2764
2765	$TICK_WATCHER->at ($NEXT_TICK);
2766	$TICK_WATCHER->start;
2767
2768	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4078	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2769	$sig->send;	4079	$sig->send;
2770	}	4080	}
2771	while (my $sig = shift @WAIT_FOR_TICK) {	4081	while (my $sig = shift @WAIT_FOR_TICK) {
2772	$sig->send;	4082	$sig->send;
2773	}
2774
2775	_post_tick;
2776	},	4083	}
2777	);	4084
		4085	$LOAD = ($NOW - $TICK_START) / $TICK;
		4086	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4087
		4088	if (0) {
		4089	if ($NEXT_TICK) {
		4090	my $jitter = $TICK_START - $NEXT_TICK;
		4091	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4092	debug "jitter $JITTER\n";#d#
		4093	}
		4094	}
		4095	}
2778		4096
2779	{	4097	{
2780	BDB::max_poll_time $TICK * 0.1;	4098	# configure BDB
2781	$BDB_POLL_WATCHER = Event->io (	4099
2782	reentrant => 0,
2783	fd => BDB::poll_fileno,
2784	poll => 'r',
2785	prio => 0,
2786	data => WF_AUTOCANCEL,
2787	cb => \&BDB::poll_cb,
2788	);
2789	BDB::min_parallel 8;	4100	BDB::min_parallel 16;
2790		4101	BDB::max_poll_reqs $TICK * 0.1;
2791	BDB::set_sync_prepare {	4102	$AnyEvent::BDB::WATCHER->priority (1);
2792	my $status;
2793	my $current = $Coro::current;
2794	(
2795	sub {
2796	$status = $!;
2797	$current->ready; undef $current;
2798	},
2799	sub {
2800	Coro::schedule while defined $current;
2801	$! = $status;
2802	},
2803	)
2804	};
2805		4103
2806	unless ($DB_ENV) {	4104	unless ($DB_ENV) {
2807	$DB_ENV = BDB::db_env_create;	4105	$DB_ENV = BDB::db_env_create;
		4106	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4107	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4108	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4109	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4110	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2808		4111
2809	cf::sync_job {	4112	cf::sync_job {
2810	eval {	4113	eval {
2811	BDB::db_env_open	4114	BDB::db_env_open
2812	$DB_ENV,	4115	$DB_ENV,
2813	$BDB_ENV_DIR,	4116	$BDBDIR,
2814	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4117	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2815	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4118	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2816	0666;	4119	0666;
2817		4120
2818	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4121	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2819
2820	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2821	$DB_ENV->set_lk_detect;
2822	};	4122	};
2823		4123
2824	cf::cleanup "db_env_open(db): $@" if $@;	4124	cf::cleanup "db_env_open(db): $@" if $@;
2825	};	4125	};
2826	}	4126	}
		4127
		4128	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4129	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4130	};
		4131	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4132	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4133	};
		4134	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4135	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4136	};
2827	}	4137	}
2828		4138
2829	{	4139	{
		4140	# configure IO::AIO
		4141
2830	IO::AIO::min_parallel 8;	4142	IO::AIO::min_parallel 8;
2831
2832	undef $Coro::AIO::WATCHER;
2833	IO::AIO::max_poll_time $TICK * 0.1;	4143	IO::AIO::max_poll_time $TICK * 0.1;
2834	$AIO_POLL_WATCHER = Event->io (	4144	undef $AnyEvent::AIO::WATCHER;
2835	reentrant => 0,	4145	}
2836	data => WF_AUTOCANCEL,	4146
2837	fd => IO::AIO::poll_fileno,	4147	our $_log_backtrace;
2838	poll => 'r',	4148	our $_log_backtrace_last;
2839	prio => 6,	4149
2840	cb => \&IO::AIO::poll_cb,	4150	sub _log_backtrace {
2841	);	4151	my ($msg, @addr) = @_;
		4152
		4153	$msg =~ s/\n$//;
		4154
		4155	if ($_log_backtrace_last eq $msg) {
		4156	LOG llevInfo, "[ABT] $msg\n";
		4157	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4158	# limit the # of concurrent backtraces
		4159	} elsif ($_log_backtrace < 2) {
		4160	$_log_backtrace_last = $msg;
		4161	++$_log_backtrace;
		4162	my $perl_bt = Carp::longmess $msg;
		4163	async {
		4164	$Coro::current->{desc} = "abt $msg";
		4165
		4166	my @bt = fork_call {
		4167	@addr = map { sprintf "%x", $_ } @addr;
		4168	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4169	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4170	or die "addr2line: $!";
		4171
		4172	my @funcs;
		4173	my @res = <$fh>;
		4174	chomp for @res;
		4175	while (@res) {
		4176	my ($func, $line) = splice @res, 0, 2, ();
		4177	push @funcs, "[$func] $line";
		4178	}
		4179
		4180	@funcs
		4181	};
		4182
		4183	LOG llevInfo, "[ABT] $perl_bt\n";
		4184	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4185	LOG llevInfo, "[ABT] $_\n" for @bt;
		4186	--$_log_backtrace;
		4187	};
		4188	} else {
		4189	LOG llevInfo, "[ABT] $msg\n";
		4190	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4191	}
2842	}	4192	}
2843		4193
2844	# load additional modules	4194	# load additional modules
2845	use cf::pod;	4195	require "cf/$_.pm" for @EXTRA_MODULES;
		4196	cf::_connect_to_perl_2;
2846		4197
2847	END { cf::emergency_save }	4198	END { cf::emergency_save }
2848		4199
2849	1	4200	1
2850		4201

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