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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.251 by root, Wed Apr 18 14:45:13 2007 UTC vs.
Revision 1.548 by root, Mon May 10 21:40:22 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 Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	56	use Fcntl;
29	use YAML::Syck ();	57	use YAML::XS ();
30	use IO::AIO 2.32 ();	58	use IO::AIO ();
31	use Time::HiRes;	59	use Time::HiRes;
32	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
33		64
34	# configure various modules to our taste	65	# configure various modules to our taste
35	#	66	#
36	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
37	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";
38	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
39		75
40	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
41		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		78
47	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;
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
59	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;
60		118
61	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
62	our $TICK_WATCHER;
63	our $AIO_POLL_WATCHER;
64	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
65	our $NEXT_TICK;	121	our $NEXT_TICK;
66	our $NOW;
67	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
68		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
69	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
70	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
71		130
72	our %CFG;	131	our %CFG;
73		132
74	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
75	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
76		136
77	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
78	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
79	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
80	our $RANDOM_MAPS = cf::localdir . "/random";
81	our $BDB_ENV_DIR = cf::localdir . "/db";
82		140
83	# 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 ∕
84	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
85		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 $REALLY_UNLOOP; # never set to true, please :)
		153
86	binmode STDOUT;	154	binmode STDOUT;
87	binmode STDERR;	155	binmode STDERR;
88		156
89	# read virtual server time, if available	157	# read virtual server time, if available
90	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
91	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
92	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
93	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
94	}	162	}
95		163
96	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
97	mkdir cf::localdir . "/" . cf::playerdir;	165
98	mkdir cf::localdir . "/" . cf::tmpdir;	166	mkdir $_
99	mkdir cf::localdir . "/" . cf::uniquedir;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
100	mkdir $RANDOM_MAPS;
101	mkdir $BDB_ENV_DIR;
102		168
103	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
104		170
105	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::"} };
106		187
107	#############################################################################	188	#############################################################################
108		189
109	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
110		191
…		…
117	=item $cf::RUNTIME	198	=item $cf::RUNTIME
118		199
119	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
120	every server tick.	201	every server tick.
121		202
122	=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
123		206
124	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
125	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.
126		211
127	=item $cf::NOW	212	=item $cf::NOW
128		213
129	The time of the last (current) server tick.	214	The time of the last (current) server tick.
130		215
131	=item $cf::TICK	216	=item $cf::TICK
132		217
133	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
134		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
135	=item %cf::CFG	230	=item %cf::CFG
136		231
137	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
138	from wherever your confdir points to.	233	from wherever your confdir points to.
139		234
140	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
141		236
142	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
143	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
144	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.
145		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
146	=back	258	=back
147		259
148	=cut	260	=cut
149		261
150	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
151	*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 {
152	my $msg = join "", @_;	269	my $msg = join "", @_;
153		270
154	$msg .= "\n"	271	$msg .= "\n"
155	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
156		273
157	$msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
158		275
159	utf8::encode $msg;
160	LOG llevError, $msg;	276	LOG llevWarn, $msg;
161	};	277	};
162	}	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	};
163		292
164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168	@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';
169	@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)
170		300
171	# 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
172	# within the Safe compartment.	302	# within the Safe compartment.
173	for my $pkg (qw(	303	for my $pkg (qw(
174	cf::global cf::attachable	304	cf::global cf::attachable
175	cf::object cf::object::player	305	cf::object cf::object::player
176	cf::client cf::player	306	cf::client cf::player
177	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
178	cf::map cf::party cf::region	309	cf::party cf::region
179	)) {	310	)) {
180	no strict 'refs';
181	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
182	}	312	}
183		313
184	$Event::DIED = sub {	314	$EV::DIED = sub {
185	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
186	};	316	};
		317
		318	#############################################################################
187		319
188	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
189		321
190	=over 4	322	=over 4
191		323
…		…
210	$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;
211	$d	343	$d
212	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
213	}	345	}
214		346
215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
216
217	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
218		348
219	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
220		350
221	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
222		352
223	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
224		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
225	=item cf::lock_wait $string	388	=item cf::lock_wait $string
226		389
227	Wait until the given lock is available. See cf::lock_acquire.	390	Wait until the given lock is available. See cf::lock_acquire.
228		391
229	=item my $lock = cf::lock_acquire $string	392	=item my $lock = cf::lock_acquire $string
230		393
231	Wait until the given lock is available and then acquires it and returns	394	Wait until the given lock is available and then acquires it and returns
232	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	395	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
233	for example when the coroutine gets canceled), the lock is automatically	396	for example when the coroutine gets canceled), the lock is automatically
234	returned.	397	returned.
235		398
		399	Locks are *not* recursive, locking from the same coro twice results in a
		400	deadlocked coro.
		401
236	Lock names should begin with a unique identifier (for example, cf::map::find	402	Lock names should begin with a unique identifier (for example, cf::map::find
237	uses map_find and cf::map::load uses map_load).	403	uses map_find and cf::map::load uses map_load).
238		404
239	=cut	405	=item $locked = cf::lock_active $string
240		406
241	our %LOCK;	407	Return true if the lock is currently active, i.e. somebody has locked it.
		408
		409	=cut
		410
		411	our $LOCKS = new Coro::SemaphoreSet;
242		412
243	sub lock_wait($) {	413	sub lock_wait($) {
244	my ($key) = @_;	414	$LOCKS->wait ($_[0]);
245
246	# wait for lock, if any
247	while ($LOCK{$key}) {
248	push @{ $LOCK{$key} }, $Coro::current;
249	Coro::schedule;
250	}
251	}	415	}
252		416
253	sub lock_acquire($) {	417	sub lock_acquire($) {
254	my ($key) = @_;	418	$LOCKS->guard ($_[0])
		419	}
255		420
256	# wait, to be sure we are not locked	421	sub lock_active($) {
257	lock_wait $key;	422	$LOCKS->count ($_[0]) < 1
258
259	$LOCK{$key} = [];
260
261	Coro::guard {
262	# wake up all waiters, to be on the safe side
263	$_->ready for @{ delete $LOCK{$key} };
264	}
265	}	423	}
266		424
267	sub freeze_mainloop {	425	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	426	tick_inhibit_inc;
269		427
270	my $guard = Coro::guard {	428	&Guard::guard (\&tick_inhibit_dec);
271	$TICK_WATCHER->start;	429	}
		430
		431	=item cf::periodic $interval, $cb
		432
		433	Like EV::periodic, but randomly selects a starting point so that the actions
		434	get spread over time.
		435
		436	=cut
		437
		438	sub periodic($$) {
		439	my ($interval, $cb) = @_;
		440
		441	my $start = rand List::Util::min 180, $interval;
		442
		443	EV::periodic $start, $interval, 0, $cb
		444	}
		445
		446	=item cf::get_slot $time[, $priority[, $name]]
		447
		448	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		449	This call blocks and returns only when you have at least C<$time> seconds
		450	of cpu time till the next tick. The slot is only valid till the next cede.
		451
		452	The optional C<$name> can be used to identify the job to run. It might be
		453	used for statistical purposes and should identify the same time-class.
		454
		455	Useful for short background jobs.
		456
		457	=cut
		458
		459	our @SLOT_QUEUE;
		460	our $SLOT_QUEUE;
		461	our $SLOT_DECAY = 0.9;
		462
		463	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		464	$SLOT_QUEUE = Coro::async {
		465	$Coro::current->desc ("timeslot manager");
		466
		467	my $signal = new Coro::Signal;
		468	my $busy;
		469
		470	while () {
		471	next_job:
		472
		473	my $avail = cf::till_tick;
		474
		475	for (0 .. $#SLOT_QUEUE) {
		476	if ($SLOT_QUEUE[$_][0] <= $avail) {
		477	$busy = 0;
		478	my $job = splice @SLOT_QUEUE, $_, 1, ();
		479	$job->[2]->send;
		480	Coro::cede;
		481	goto next_job;
		482	} else {
		483	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		484	}
		485	}
		486
		487	if (@SLOT_QUEUE) {
		488	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		489	push @cf::WAIT_FOR_TICK, $signal;
		490	$signal->wait;
		491	} else {
		492	$busy = 0;
		493	Coro::schedule;
		494	}
272	};	495	}
273	$TICK_WATCHER->stop;	496	};
274	$guard	497
		498	sub get_slot($;$$) {
		499	return if tick_inhibit || $Coro::current == $Coro::main;
		500
		501	my ($time, $pri, $name) = @_;
		502
		503	$time = clamp $time, 0.01, $TICK * .6;
		504
		505	my $sig = new Coro::Signal;
		506
		507	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		508	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		509	$SLOT_QUEUE->ready;
		510	$sig->wait;
275	}	511	}
276		512
277	=item cf::async { BLOCK }	513	=item cf::async { BLOCK }
278		514
279	Currently the same as Coro::async_pool, meaning you cannot use	515	Currently the same as Coro::async_pool, meaning you cannot use
…		…
284		520
285	BEGIN { *async = \&Coro::async_pool }	521	BEGIN { *async = \&Coro::async_pool }
286		522
287	=item cf::sync_job { BLOCK }	523	=item cf::sync_job { BLOCK }
288		524
289	The design of crossfire+ requires that the main coro ($Coro::main) is	525	The design of Deliantra requires that the main coroutine ($Coro::main)
290	always able to handle events or runnable, as crossfire+ is only partly	526	is always able to handle events or runnable, as Deliantra is only
291	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	527	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		528	acceptable.
292		529
293	If it must be done, put the blocking parts into C<sync_job>. This will run	530	If it must be done, put the blocking parts into C<sync_job>. This will run
294	the given BLOCK in another coroutine while waiting for the result. The	531	the given BLOCK in another coroutine while waiting for the result. The
295	server will be frozen during this time, so the block should either finish	532	server will be frozen during this time, so the block should either finish
296	fast or be very important.	533	fast or be very important.
…		…
298	=cut	535	=cut
299		536
300	sub sync_job(&) {	537	sub sync_job(&) {
301	my ($job) = @_;	538	my ($job) = @_;
302		539
303	if ($Coro::current == $Coro::main) {	540	if (in_main) {
		541	my $time = AE::time;
		542
304	# this is the main coro, too bad, we have to block	543	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	544	# till the operation succeeds, freezing the server :/
306		545
307	# TODO: use suspend/resume instead	546	#LOG llevError, Carp::longmess "sync job";#d#
308	# (but this is cancel-safe)	547
309	my $freeze_guard = freeze_mainloop;	548	my $freeze_guard = freeze_mainloop;
310		549
311	my $busy = 1;	550	my $busy = 1;
312	my @res;	551	my @res;
313		552
314	(async {	553	(async {
		554	$Coro::current->desc ("sync job coro");
315	@res = eval { $job->() };	555	@res = eval { $job->() };
316	warn $@ if $@;	556	error $@ if $@;
317	undef $busy;	557	undef $busy;
318	})->prio (Coro::PRIO_MAX);	558	})->prio (Coro::PRIO_MAX);
319		559
320	while ($busy) {	560	while ($busy) {
321	Coro::cede or Event::one_event;	561	if (Coro::nready) {
		562	Coro::cede_notself;
		563	} else {
		564	EV::loop EV::LOOP_ONESHOT;
322	}	565	}
		566	}
		567
		568	my $time = AE::time - $time;
		569
		570	$TICK_START += $time; # do not account sync jobs to server load
323		571
324	wantarray ? @res : $res[0]	572	wantarray ? @res : $res[0]
325	} else {	573	} else {
326	# we are in another coroutine, how wonderful, everything just works	574	# we are in another coroutine, how wonderful, everything just works
327		575
…		…
347	$EXT_CORO{$coro+0} = $coro;	595	$EXT_CORO{$coro+0} = $coro;
348		596
349	$coro	597	$coro
350	}	598	}
351		599
352	sub write_runtime {	600	=item fork_call { }, @args
353	my $guard = cf::lock_acquire "write_runtime";
354		601
355	my $runtime = cf::localdir . "/runtime";	602	Executes the given code block with the given arguments in a seperate
		603	process, returning the results. Everything must be serialisable with
		604	Coro::Storable. May, of course, block. Note that the executed sub may
		605	never block itself or use any form of event handling.
356		606
357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	607	=cut
358	or return;
359		608
360	my $value = $cf::RUNTIME + 90 + 10;	609	sub post_fork {
361	# 10 is the runtime save interval, for a monotonic clock	610	reset_signals;
362	# 60 allows for the watchdog to kill the server.	611	}
363		612
364	(aio_write $fh, 0, (length $value), $value, 0) <= 0	613	sub fork_call(&@) {
365	and return;	614	my ($cb, @args) = @_;
366		615
367	# always fsync - this file is important	616	# we seemingly have to make a local copy of the whole thing,
368	aio_fsync $fh	617	# otherwise perl prematurely frees the stuff :/
369	and return;	618	# TODO: investigate and fix (likely this will be rather laborious)
370		619
371	close $fh	620	my @res = Coro::Util::fork_eval {
372	or return;	621	cf::post_fork;
		622	&$cb
		623	} @args;
373		624
374	aio_rename "$runtime~", $runtime	625	wantarray ? @res : $res[-1]
375	and return;	626	}
376		627
		628	sub objinfo {
377	1	629	(
		630	"counter value" => cf::object::object_count,
		631	"objects created" => cf::object::create_count,
		632	"objects destroyed" => cf::object::destroy_count,
		633	"freelist size" => cf::object::free_count,
		634	"allocated objects" => cf::object::objects_size,
		635	"active objects" => cf::object::actives_size,
		636	)
		637	}
		638
		639	=item $coin = coin_from_name $name
		640
		641	=cut
		642
		643	our %coin_alias = (
		644	"silver" => "silvercoin",
		645	"silvercoin" => "silvercoin",
		646	"silvercoins" => "silvercoin",
		647	"gold" => "goldcoin",
		648	"goldcoin" => "goldcoin",
		649	"goldcoins" => "goldcoin",
		650	"platinum" => "platinacoin",
		651	"platinumcoin" => "platinacoin",
		652	"platinumcoins" => "platinacoin",
		653	"platina" => "platinacoin",
		654	"platinacoin" => "platinacoin",
		655	"platinacoins" => "platinacoin",
		656	"royalty" => "royalty",
		657	"royalties" => "royalty",
		658	);
		659
		660	sub coin_from_name($) {
		661	$coin_alias{$_[0]}
		662	? cf::arch::find $coin_alias{$_[0]}
		663	: undef
		664	}
		665
		666	=item $value = cf::db_get $family => $key
		667
		668	Returns a single value from the environment database.
		669
		670	=item cf::db_put $family => $key => $value
		671
		672	Stores the given C<$value> in the family. It can currently store binary
		673	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		674
		675	=item $db = cf::db_table "name"
		676
		677	Create and/or open a new database table. The string must not be "db" and must be unique
		678	within each server.
		679
		680	=cut
		681
		682	sub db_table($) {
		683	cf::error "db_get called from main context"
		684	if $Coro::current == $Coro::main;
		685
		686	my ($name) = @_;
		687	my $db = BDB::db_create $DB_ENV;
		688
		689	eval {
		690	$db->set_flags (BDB::CHKSUM);
		691
		692	utf8::encode $name;
		693	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		694	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		695	cf::cleanup "db_open(db): $!" if $!;
		696	};
		697	cf::cleanup "db_open(db): $@" if $@;
		698
		699	$db
		700	}
		701
		702	our $DB;
		703
		704	sub db_init {
		705	$DB ||= db_table "db";
		706	}
		707
		708	sub db_get($$) {
		709	my $key = "$_[0]/$_[1]";
		710
		711	cf::error "db_get called from main context"
		712	if $Coro::current == $Coro::main;
		713
		714	BDB::db_get $DB, undef, $key, my $data;
		715
		716	$! ? ()
		717	: $data
		718	}
		719
		720	sub db_put($$$) {
		721	BDB::dbreq_pri 4;
		722	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		723	}
		724
		725	=item cf::cache $id => [$paths...], $processversion => $process
		726
		727	Generic caching function that returns the value of the resource $id,
		728	caching and regenerating as required.
		729
		730	This function can block.
		731
		732	=cut
		733
		734	sub cache {
		735	my ($id, $src, $processversion, $process) = @_;
		736
		737	my $meta =
		738	join "\x00",
		739	$processversion,
		740	map {
		741	aio_stat $_
		742	and Carp::croak "$_: $!";
		743
		744	($_, (stat _)[7,9])
		745	} @$src;
		746
		747	my $dbmeta = db_get cache => "$id/meta";
		748	if ($dbmeta ne $meta) {
		749	# changed, we may need to process
		750
		751	my @data;
		752	my $md5;
		753
		754	for (0 .. $#$src) {
		755	0 <= aio_load $src->[$_], $data[$_]
		756	or Carp::croak "$src->[$_]: $!";
		757	}
		758
		759	# if processing is expensive, check
		760	# checksum first
		761	if (1) {
		762	$md5 =
		763	join "\x00",
		764	$processversion,
		765	map {
		766	cf::cede_to_tick;
		767	($src->[$_], Digest::MD5::md5_hex $data[$_])
		768	} 0.. $#$src;
		769
		770
		771	my $dbmd5 = db_get cache => "$id/md5";
		772	if ($dbmd5 eq $md5) {
		773	db_put cache => "$id/meta", $meta;
		774
		775	return db_get cache => "$id/data";
		776	}
		777	}
		778
		779	my $t1 = Time::HiRes::time;
		780	my $data = $process->(\@data);
		781	my $t2 = Time::HiRes::time;
		782
		783	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		784
		785	db_put cache => "$id/data", $data;
		786	db_put cache => "$id/md5" , $md5;
		787	db_put cache => "$id/meta", $meta;
		788
		789	return $data;
		790	}
		791
		792	db_get cache => "$id/data"
378	}	793	}
379		794
380	=item cf::datalog type => key => value, ...	795	=item cf::datalog type => key => value, ...
381		796
382	Log a datalog packet of the given type with the given key-value pairs.	797	Log a datalog packet of the given type with the given key-value pairs.
383		798
384	=cut	799	=cut
385		800
386	sub datalog($@) {	801	sub datalog($@) {
387	my ($type, %kv) = @_;	802	my ($type, %kv) = @_;
388	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	803	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
389	}	804	}
390		805
391	=back	806	=back
392		807
393	=cut	808	=cut
394		809
395	#############################################################################	810	#############################################################################
396		811
397	=head2 ATTACHABLE OBJECTS	812	=head2 ATTACHABLE OBJECTS
398		813
399	Many objects in crossfire are so-called attachable objects. That means you can	814	Many objects in deliantra are so-called attachable objects. That means you can
400	attach callbacks/event handlers (a collection of which is called an "attachment")	815	attach callbacks/event handlers (a collection of which is called an "attachment")
401	to it. All such attachable objects support the following methods.	816	to it. All such attachable objects support the following methods.
402		817
403	In the following description, CLASS can be any of C<global>, C<object>	818	In the following description, CLASS can be any of C<global>, C<object>
404	C<player>, C<client> or C<map> (i.e. the attachable objects in	819	C<player>, C<client> or C<map> (i.e. the attachable objects in
405	crossfire+).	820	Deliantra).
406		821
407	=over 4	822	=over 4
408		823
409	=item $attachable->attach ($attachment, key => $value...)	824	=item $attachable->attach ($attachment, key => $value...)
410		825
…		…
454	=item cf::CLASS::attachment $name, ...	869	=item cf::CLASS::attachment $name, ...
455		870
456	Register an attachment by C<$name> through which attachable objects of the	871	Register an attachment by C<$name> through which attachable objects of the
457	given CLASS can refer to this attachment.	872	given CLASS can refer to this attachment.
458		873
459	Some classes such as crossfire maps and objects can specify attachments	874	Some classes such as deliantra maps and objects can specify attachments
460	that are attached at load/instantiate time, thus the need for a name.	875	that are attached at load/instantiate time, thus the need for a name.
461		876
462	These calls expect any number of the following handler/hook descriptions:	877	These calls expect any number of the following handler/hook descriptions:
463		878
464	=over 4	879	=over 4
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	988	$registry = $CB_TYPE[$object_type] ||= [];
574		989
575	} elsif ($type eq "subtype") {	990	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	991	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	992	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	993	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		994
580	} elsif ($type eq "package") {	995	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	996	my $pkg = shift @arg;
582		997
583	while (my ($name, $id) = each %cb_id) {	998	while (my ($name, $id) = each %cb_id) {
…		…
588		1003
589	} elsif (exists $cb_id{$type}) {	1004	} elsif (exists $cb_id{$type}) {
590	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1005	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
591		1006
592	} elsif (ref $type) {	1007	} elsif (ref $type) {
593	warn "attaching objects not supported, ignoring.\n";	1008	error "attaching objects not supported, ignoring.\n";
594		1009
595	} else {	1010	} else {
596	shift @arg;	1011	shift @arg;
597	warn "attach argument '$type' not supported, ignoring.\n";	1012	error "attach argument '$type' not supported, ignoring.\n";
598	}	1013	}
599	}	1014	}
600	}	1015	}
601		1016
602	sub _object_attach {	1017	sub _object_attach {
…		…
612	_attach $registry, $klass, @attach;	1027	_attach $registry, $klass, @attach;
613	}	1028	}
614		1029
615	$obj->{$name} = \%arg;	1030	$obj->{$name} = \%arg;
616	} else {	1031	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	1032	info "object uses attachment '$name' which is not available, postponing.\n";
618	}	1033	}
619		1034
620	$obj->{_attachment}{$name} = undef;	1035	$obj->{_attachment}{$name} = undef;
621	}	1036	}
622		1037
…		…
624	if (ref $_[0]) {	1039	if (ref $_[0]) {
625	_object_attach @_;	1040	_object_attach @_;
626	} else {	1041	} else {
627	_attach shift->_attach_registry, @_;	1042	_attach shift->_attach_registry, @_;
628	}	1043	}
		1044	_recalc_want;
629	};	1045	};
630		1046
631	# all those should be optimised	1047	# all those should be optimised
632	sub cf::attachable::detach {	1048	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	1049	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	1052	delete $obj->{_attachment}{$name};
637	reattach ($obj);	1053	reattach ($obj);
638	} else {	1054	} else {
639	Carp::croak "cannot, currently, detach class attachments";	1055	Carp::croak "cannot, currently, detach class attachments";
640	}	1056	}
		1057	_recalc_want;
641	};	1058	};
642		1059
643	sub cf::attachable::attached {	1060	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	1061	my ($obj, $name) = @_;
645		1062
…		…
660	";	1077	";
661	die if $@;	1078	die if $@;
662	}	1079	}
663		1080
664	our $override;	1081	our $override;
665	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1082	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
666		1083
667	sub override {	1084	sub override {
668	$override = 1;	1085	$override = 1;
669	@invoke_results = ();	1086	@INVOKE_RESULTS = (@_);
670	}	1087	}
671		1088
672	sub do_invoke {	1089	sub do_invoke {
673	my $event = shift;	1090	my $event = shift;
674	my $callbacks = shift;	1091	my $callbacks = shift;
675		1092
676	@invoke_results = ();	1093	@INVOKE_RESULTS = ();
677		1094
678	local $override;	1095	local $override;
679		1096
680	for (@$callbacks) {	1097	for (@$callbacks) {
681	eval { &{$_->[1]} };	1098	eval { &{$_->[1]} };
682		1099
683	if ($@) {	1100	if ($@) {
684	warn "$@";
685	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1101	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
686	override;	1102	override;
687	}	1103	}
688		1104
689	return 1 if $override;	1105	return 1 if $override;
690	}	1106	}
691		1107
692	0	1108	0
693	}	1109	}
694		1110
695	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1111	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
696		1112
697	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1113	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
698		1114
699	Generate an object-specific event with the given arguments.	1115	Generate an object-specific event with the given arguments.
700		1116
701	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1117	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
702	removed in future versions), and there is no public API to access override	1118	removed in future versions), and there is no public API to access override
703	results (if you must, access C<@cf::invoke_results> directly).	1119	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704		1120
705	=back	1121	=back
706		1122
707	=cut	1123	=cut
708		1124
709	#############################################################################	1125	#############################################################################
710	# object support	1126	# object support
		1127
		1128	sub _object_equal($$);
		1129	sub _object_equal($$) {
		1130	my ($a, $b) = @_;
		1131
		1132	return 0 unless (ref $a) eq (ref $b);
		1133
		1134	if ("HASH" eq ref $a) {
		1135	my @ka = keys %$a;
		1136	my @kb = keys %$b;
		1137
		1138	return 0 if @ka != @kb;
		1139
		1140	for (0 .. $#ka) {
		1141	return 0 unless $ka[$_] eq $kb[$_];
		1142	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1143	}
		1144
		1145	} elsif ("ARRAY" eq ref $a) {
		1146
		1147	return 0 if @$a != @$b;
		1148
		1149	for (0 .. $#$a) {
		1150	return 0 unless _object_equal $a->[$_], $b->[$_];
		1151	}
		1152
		1153	} elsif ($a ne $b) {
		1154	return 0;
		1155	}
		1156
		1157	1
		1158	}
		1159
		1160	our $SLOW_MERGES;#d#
		1161	sub _can_merge {
		1162	my ($ob1, $ob2) = @_;
		1163
		1164	++$SLOW_MERGES;#d#
		1165
		1166	# we do the slow way here
		1167	return _object_equal $ob1, $ob2
		1168	}
711		1169
712	sub reattach {	1170	sub reattach {
713	# basically do the same as instantiate, without calling instantiate	1171	# basically do the same as instantiate, without calling instantiate
714	my ($obj) = @_;	1172	my ($obj) = @_;
715		1173
		1174	# no longer needed after getting rid of delete_package?
716	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1175	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
717		1176
718	my $registry = $obj->registry;	1177	my $registry = $obj->registry;
719		1178
720	@$registry = ();	1179	@$registry = ();
721		1180
…		…
726	for (@$attach) {	1185	for (@$attach) {
727	my ($klass, @attach) = @$_;	1186	my ($klass, @attach) = @$_;
728	_attach $registry, $klass, @attach;	1187	_attach $registry, $klass, @attach;
729	}	1188	}
730	} else {	1189	} else {
731	warn "object uses attachment '$name' that is not available, postponing.\n";	1190	info "object uses attachment '$name' that is not available, postponing.\n";
732	}	1191	}
733	}	1192	}
734	}	1193	}
735		1194
736	cf::attachable->attach (	1195	cf::attachable->attach (
737	prio => -1000000,	1196	prio => -1000000,
738	on_instantiate => sub {	1197	on_instantiate => sub {
739	my ($obj, $data) = @_;	1198	my ($obj, $data) = @_;
740		1199
741	$data = from_json $data;	1200	$data = decode_json $data;
742		1201
743	for (@$data) {	1202	for (@$data) {
744	my ($name, $args) = @$_;	1203	my ($name, $args) = @$_;
745		1204
746	$obj->attach ($name, %{$args || {} });	1205	$obj->attach ($name, %{$args || {} });
…		…
762	sub object_freezer_save {	1221	sub object_freezer_save {
763	my ($filename, $rdata, $objs) = @_;	1222	my ($filename, $rdata, $objs) = @_;
764		1223
765	sync_job {	1224	sync_job {
766	if (length $$rdata) {	1225	if (length $$rdata) {
		1226	utf8::decode (my $decname = $filename);
767	warn sprintf "saving %s (%d,%d)\n",	1227	trace sprintf "saving %s (%d,%d)\n",
768	$filename, length $$rdata, scalar @$objs;	1228	$decname, length $$rdata, scalar @$objs
		1229	if $VERBOSE_IO;
769		1230
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1231	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1232	aio_chmod $fh, SAVE_MODE;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1233	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1234	if ($cf::USE_FSYNC) {
		1235	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;
		1236	aio_fsync $fh;
		1237	}
774	close $fh;	1238	aio_close $fh;
775		1239
776	if (@$objs) {	1240	if (@$objs) {
777	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1241	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
778	chmod SAVE_MODE, $fh;	1242	aio_chmod $fh, SAVE_MODE;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	1243	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	1244	aio_write $fh, 0, (length $data), $data, 0;
781	aio_fsync $fh if $cf::USE_FSYNC;	1245	if ($cf::USE_FSYNC) {
		1246	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;
		1247	aio_fsync $fh;
		1248	}
782	close $fh;	1249	aio_close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	1250	aio_rename "$filename.pst~", "$filename.pst";
784	}	1251	}
785	} else {	1252	} else {
786	aio_unlink "$filename.pst";	1253	aio_unlink "$filename.pst";
787	}	1254	}
788		1255
789	aio_rename "$filename~", $filename;	1256	aio_rename "$filename~", $filename;
		1257
		1258	$filename =~ s%/[^/]+$%%;
		1259	aio_pathsync $filename if $cf::USE_FSYNC;
790	} else {	1260	} else {
791	warn "FATAL: $filename~: $!\n";	1261	error "unable to save objects: $filename~: $!\n";
792	}	1262	}
793	} else {	1263	} else {
794	aio_unlink $filename;	1264	aio_unlink $filename;
795	aio_unlink "$filename.pst";	1265	aio_unlink "$filename.pst";
796	}	1266	}
797	}	1267	};
798	}	1268	}
799		1269
800	sub object_freezer_as_string {	1270	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	1271	my ($rdata, $objs) = @_;
802		1272
…		…
814	or return;	1284	or return;
815		1285
816	unless (aio_stat "$filename.pst") {	1286	unless (aio_stat "$filename.pst") {
817	(aio_load "$filename.pst", $av) >= 0	1287	(aio_load "$filename.pst", $av) >= 0
818	or return;	1288	or return;
		1289
819	$av = eval { (Storable::thaw $av)->{objs} };	1290	my $st = eval { Coro::Storable::thaw $av };
		1291	$av = $st->{objs};
820	}	1292	}
821		1293
		1294	utf8::decode (my $decname = $filename);
822	warn sprintf "loading %s (%d)\n",	1295	trace sprintf "loading %s (%d,%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1296	$decname, length $data, scalar @{$av || []}
		1297	if $VERBOSE_IO;
		1298
824	return ($data, $av);	1299	($data, $av)
825	}	1300	}
		1301
		1302	=head2 COMMAND CALLBACKS
		1303
		1304	=over 4
		1305
		1306	=cut
826		1307
827	#############################################################################	1308	#############################################################################
828	# command handling &c	1309	# command handling &c
829		1310
830	=item cf::register_command $name => \&callback($ob,$args);	1311	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1324	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1325	}
845		1326
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1327	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1328
848	Register a callbackf ro execution when the client sends an extcmd packet.	1329	Register a callback for execution when the client sends an (synchronous)
		1330	extcmd packet. Ext commands will be processed in the order they are
		1331	received by the server, like other user commands. The first argument is
		1332	the logged-in player. Ext commands can only be processed after a player
		1333	has logged in successfully.
849		1334
850	If the callback returns something, it is sent back as if reply was being	1335	If the callback returns something, it is sent back as if reply was being
851	called.	1336	called.
852		1337
		1338	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1339
		1340	Register a callback for execution when the client sends an (asynchronous)
		1341	exticmd packet. Exti commands are processed by the server as soon as they
		1342	are received, i.e. out of order w.r.t. other commands. The first argument
		1343	is a client socket. Exti commands can be received anytime, even before
		1344	log-in.
		1345
		1346	If the callback returns something, it is sent back as if reply was being
		1347	called.
		1348
853	=cut	1349	=cut
854		1350
855	sub register_extcmd {	1351	sub register_extcmd {
856	my ($name, $cb) = @_;	1352	my ($name, $cb) = @_;
857		1353
858	$EXTCMD{$name} = $cb;	1354	$EXTCMD{$name} = $cb;
859	}	1355	}
860		1356
		1357	sub register_exticmd {
		1358	my ($name, $cb) = @_;
		1359
		1360	$EXTICMD{$name} = $cb;
		1361	}
		1362
		1363	use File::Glob ();
		1364
861	cf::player->attach (	1365	cf::player->attach (
862	on_command => sub {	1366	on_unknown_command => sub {
863	my ($pl, $name, $params) = @_;	1367	my ($pl, $name, $params) = @_;
864		1368
865	my $cb = $COMMAND{$name}	1369	my $cb = $COMMAND{$name}
866	or return;	1370	or return;
867		1371
…		…
872	cf::override;	1376	cf::override;
873	},	1377	},
874	on_extcmd => sub {	1378	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1379	my ($pl, $buf) = @_;
876		1380
877	my $msg = eval { from_json $buf };	1381	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1382
879	if (ref $msg) {	1383	if (ref $msg) {
		1384	my ($type, $reply, @payload) =
		1385	"ARRAY" eq ref $msg
		1386	? @$msg
		1387	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1388
		1389	my @reply;
		1390
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1391	if (my $cb = $EXTCMD{$type}) {
881	if (my %reply = $cb->($pl, $msg)) {	1392	@reply = $cb->($pl, @payload);
882	$pl->ext_reply ($msg->{msgid}, %reply);
883	}
884	}	1393	}
		1394
		1395	$pl->ext_reply ($reply, @reply)
		1396	if $reply;
		1397
885	} else {	1398	} else {
886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1399	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887	}	1400	}
888		1401
889	cf::override;	1402	cf::override;
890	},	1403	},
891	);	1404	);
892		1405
		1406	# "readahead" all extensions
893	sub load_extension {	1407	sub cache_extensions {
894	my ($path) = @_;	1408	my $grp = IO::AIO::aio_group;
895		1409
896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1410	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
897	my $base = $1;	1411	for (grep /\.ext$/, @{$_[0]}) {
898	my $pkg = $1;	1412	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
899	$pkg =~ s/[^[:word:]]/_/g;
900	$pkg = "ext::$pkg";
901
902	warn "... loading '$path' into '$pkg'\n";
903
904	open my $fh, "<:utf8", $path
905	or die "$path: $!";
906
907	my $source =
908	"package $pkg; use strict; use utf8;\n"
909	. "#line 1 \"$path\"\n{\n"
910	. (do { local $/; <$fh> })
911	. "\n};\n1";
912
913	unless (eval $source) {
914	my $msg = $@ ? "$path: $@\n"
915	: "extension disabled.\n";
916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
917	warn $@;
918	warn "mandatory extension failed to load, exiting.\n";
919	exit 1;
920	}	1413	}
921	die $@;
922	}	1414	};
923		1415
924	push @EXTS, $pkg;	1416	$grp
925	}	1417	}
926		1418
927	sub load_extensions {	1419	sub load_extensions {
		1420	info "loading extensions...";
		1421
		1422	cf::sync_job {
		1423	my %todo;
		1424
928	for my $ext (<$LIBDIR/*.ext>) {	1425	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1426	next unless -r $path;
930	eval {	1427
931	load_extension $ext;	1428	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1429	my $base = $1;
		1430	my $pkg = $1;
		1431	$pkg =~ s/[^[:word:]]/_/g;
		1432	$pkg = "ext::$pkg";
		1433
		1434	open my $fh, "<:utf8", $path
		1435	or die "$path: $!";
		1436
		1437	my $source = do { local $/; <$fh> };
		1438
		1439	my %ext = (
		1440	path => $path,
		1441	base => $base,
		1442	pkg => $pkg,
		1443	);
		1444
		1445	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1446	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1447
		1448	$ext{source} =
		1449	"package $pkg; use common::sense;\n"
		1450	. "#line 1 \"$path\"\n{\n"
		1451	. $source
		1452	. "\n};\n1";
		1453
		1454	$todo{$base} = \%ext;
		1455	}
		1456
		1457	my $pass = 0;
		1458	my %done;
		1459	while (%todo) {
		1460	my $progress;
		1461
		1462	++$pass;
		1463
		1464	ext:
		1465	while (my ($k, $v) = each %todo) {
		1466	for (split /,\s*/, $v->{meta}{depends}) {
		1467	next ext
		1468	unless exists $done{$_};
		1469	}
		1470
		1471	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1472
		1473	my $active = eval $v->{source};
		1474
		1475	if (length $@) {
		1476	error "$v->{path}: $@\n";
		1477
		1478	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1479	if exists $v->{meta}{mandatory};
		1480
		1481	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1482	delete $todo{$k};
		1483	} else {
		1484	$done{$k} = delete $todo{$k};
		1485	push @EXTS, $v->{pkg};
		1486	$progress = 1;
		1487
		1488	info "$v->{base}: extension inactive.\n"
		1489	unless $active;
		1490	}
932	1	1491	}
933	} or warn "$ext not loaded: $@";	1492
		1493	unless ($progress) {
		1494	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1495
		1496	while (my ($k, $v) = each %todo) {
		1497	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1498	if exists $v->{meta}{mandatory};
		1499	}
		1500	}
		1501	}
934	}	1502	};
935	}	1503	}
936		1504
937	#############################################################################	1505	#############################################################################
938		1506
		1507	=back
		1508
939	=head2 CORE EXTENSIONS	1509	=head2 CORE EXTENSIONS
940		1510
941	Functions and methods that extend core crossfire objects.	1511	Functions and methods that extend core deliantra objects.
942		1512
943	=cut	1513	=cut
944		1514
945	package cf::player;	1515	package cf::player;
946		1516
…		…
948		1518
949	=head3 cf::player	1519	=head3 cf::player
950		1520
951	=over 4	1521	=over 4
952		1522
		1523	=item cf::player::num_playing
		1524
		1525	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1526
		1527	=cut
		1528
		1529	sub num_playing {
		1530	scalar grep
		1531	$_->ob->map
		1532	&& !$_->hidden
		1533	&& !$_->ob->flag (cf::FLAG_WIZ),
		1534	cf::player::list
		1535	}
		1536
953	=item cf::player::find $login	1537	=item cf::player::find $login
954		1538
955	Returns the given player object, loading it if necessary (might block).	1539	Returns the given player object, loading it if necessary (might block).
956		1540
957	=cut	1541	=cut
958		1542
959	sub playerdir($) {	1543	sub playerdir($) {
960	cf::localdir	1544	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1545	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1546	}
966		1547
967	sub path($) {	1548	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1549	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
978		1559
979	sub exists($) {	1560	sub exists($) {
980	my ($login) = @_;	1561	my ($login) = @_;
981		1562
982	$cf::PLAYER{$login}	1563	$cf::PLAYER{$login}
983	or cf::sync_job { !aio_stat path $login }	1564	or !aio_stat path $login
984	}	1565	}
985		1566
986	sub find($) {	1567	sub find($) {
987	return $cf::PLAYER{$_[0]} || do {	1568	return $cf::PLAYER{$_[0]} || do {
988	my $login = $_[0];	1569	my $login = $_[0];
…		…
995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1576	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1577	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1578	aio_unlink +(playerdir $login) . "/$login.pl.pst";
998	aio_unlink +(playerdir $login) . "/$login.pl";	1579	aio_unlink +(playerdir $login) . "/$login.pl";
999		1580
1000	my $pl = load_pl path $login	1581	my $f = new_from_file cf::object::thawer path $login
1001	or return;	1582	or return;
		1583
		1584	my $pl = cf::player::load_pl $f
		1585	or return;
		1586
		1587	local $cf::PLAYER_LOADING{$login} = $pl;
		1588	$f->resolve_delayed_derefs;
1002	$cf::PLAYER{$login} = $pl	1589	$cf::PLAYER{$login} = $pl
1003	}	1590	}
1004	}	1591	}
1005	}	1592	}
		1593
		1594	cf::player->attach (
		1595	on_load => sub {
		1596	my ($pl, $path) = @_;
		1597
		1598	# restore slots saved in save, below
		1599	my $slots = delete $pl->{_slots};
		1600
		1601	$pl->ob->current_weapon ($slots->[0]);
		1602	$pl->combat_ob ($slots->[1]);
		1603	$pl->ranged_ob ($slots->[2]);
		1604	},
		1605	);
1006		1606
1007	sub save($) {	1607	sub save($) {
1008	my ($pl) = @_;	1608	my ($pl) = @_;
1009		1609
1010	return if $pl->{deny_save};	1610	return if $pl->{deny_save};
…		…
1015	return if $pl->{deny_save};	1615	return if $pl->{deny_save};
1016		1616
1017	aio_mkdir playerdir $pl, 0770;	1617	aio_mkdir playerdir $pl, 0770;
1018	$pl->{last_save} = $cf::RUNTIME;	1618	$pl->{last_save} = $cf::RUNTIME;
1019		1619
		1620	cf::get_slot 0.01;
		1621
		1622	# save slots, to be restored later
		1623	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1624
1020	$pl->save_pl ($path);	1625	$pl->save_pl ($path);
1021	Coro::cede;	1626	cf::cede_to_tick;
1022	}	1627	}
1023		1628
1024	sub new($) {	1629	sub new($) {
1025	my ($login) = @_;	1630	my ($login) = @_;
1026		1631
…		…
1032	$cf::PLAYER{$login} = $self;	1637	$cf::PLAYER{$login} = $self;
1033		1638
1034	$self	1639	$self
1035	}	1640	}
1036		1641
		1642	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1643
		1644	=cut
		1645
		1646	sub send_msg {
		1647	my $ns = shift->ns
		1648	or return;
		1649	$ns->send_msg (@_);
		1650	}
		1651
1037	=item $pl->quit_character	1652	=item $pl->quit_character
1038		1653
1039	Nukes the player without looking back. If logged in, the connection will	1654	Nukes the player without looking back. If logged in, the connection will
1040	be destroyed. May block for a long time.	1655	be destroyed. May block for a long time.
1041		1656
…		…
1045	my ($pl) = @_;	1660	my ($pl) = @_;
1046		1661
1047	my $name = $pl->ob->name;	1662	my $name = $pl->ob->name;
1048		1663
1049	$pl->{deny_save} = 1;	1664	$pl->{deny_save} = 1;
1050	$pl->password ("*"); # this should lock out the player until we nuked the dir	1665	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1051		1666
1052	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1667	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1053	$pl->deactivate;	1668	$pl->deactivate;
		1669
		1670	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1671	ext::highscore::check ($pl->ob);
		1672
1054	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1673	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1055	$pl->ns->destroy if $pl->ns;	1674	$pl->ns->destroy if $pl->ns;
1056		1675
1057	my $path = playerdir $pl;	1676	my $path = playerdir $pl;
1058	my $temp = "$path~$cf::RUNTIME~deleting~";	1677	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1088	while and may block, so not sync_job-capable, ever.	1707	while and may block, so not sync_job-capable, ever.
1089		1708
1090	=cut	1709	=cut
1091		1710
1092	sub list_logins {	1711	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1712	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1713	or return [];
1095		1714
1096	my @logins;	1715	my @logins;
1097		1716
1098	for my $login (@$dirs) {	1717	for my $login (@$dirs) {
		1718	my $path = path $login;
		1719
		1720	# a .pst is a dead give-away for a valid player
		1721	# if no pst file found, open and chekc for blocked users
		1722	if (aio_stat "$path.pst") {
1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1723	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1100	aio_read $fh, 0, 512, my $buf, 0 or next;	1724	aio_read $fh, 0, 512, my $buf, 0 or next;
1101	$buf !~ /^password -------------$/m or next; # official not-valid tag	1725	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1726	}
1102		1727
1103	utf8::decode $login;	1728	utf8::decode $login;
1104	push @logins, $login;	1729	push @logins, $login;
1105	}	1730	}
1106		1731
1107	\@logins	1732	\@logins
1108	}	1733	}
1109		1734
1110	=item $player->maps	1735	=item $player->maps
		1736
		1737	=item cf::player::maps $login
1111		1738
1112	Returns an arrayref of map paths that are private for this	1739	Returns an arrayref of map paths that are private for this
1113	player. May block.	1740	player. May block.
1114		1741
1115	=cut	1742	=cut
…		…
1133	}	1760	}
1134		1761
1135	\@paths	1762	\@paths
1136	}	1763	}
1137		1764
		1765	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1766
		1767	Expand deliantra pod fragments into protocol xml.
		1768
1138	=item $player->ext_reply ($msgid, %msg)	1769	=item $player->ext_reply ($msgid, @msg)
1139		1770
1140	Sends an ext reply to the player.	1771	Sends an ext reply to the player.
1141		1772
1142	=cut	1773	=cut
1143		1774
1144	sub ext_reply($$%) {	1775	sub ext_reply($$@) {
1145	my ($self, $id, %msg) = @_;	1776	my ($self, $id, @msg) = @_;
1146		1777
1147	$msg{msgid} = $id;	1778	$self->ns->ext_reply ($id, @msg)
1148
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}	1779	}
1151		1780
1152	=item $player->ext_event ($type, %msg)	1781	=item $player->ext_msg ($type, @msg)
1153		1782
1154	Sends an ext event to the client.	1783	Sends an ext event to the client.
1155		1784
1156	=cut	1785	=cut
1157		1786
1158	sub ext_event($$%) {	1787	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1788	my ($self, $type, @msg) = @_;
1160		1789
1161	$self->ns->ext_event ($type, %msg);	1790	$self->ns->ext_msg ($type, @msg);
1162	}	1791	}
1163		1792
1164	=head3 cf::region	1793	=head3 cf::region
1165		1794
1166	=over 4	1795	=over 4
…		…
1169		1798
1170	package cf::region;	1799	package cf::region;
1171		1800
1172	=item cf::region::find_by_path $path	1801	=item cf::region::find_by_path $path
1173		1802
1174	Tries to decuce the probable region for a map knowing only its path.	1803	Tries to decuce the likely region for a map knowing only its path.
1175		1804
1176	=cut	1805	=cut
1177		1806
1178	sub find_by_path($) {	1807	sub find_by_path($) {
1179	my ($path) = @_;	1808	my ($path) = @_;
1180		1809
		1810	$path =~ s/^~[^\/]*//; # skip ~login
		1811
1181	my ($match, $specificity);	1812	my ($match, $specificity);
1182		1813
1183	for my $region (list) {	1814	for my $region (list) {
1184	if ($region->match && $path =~ $region->match) {	1815	if ($region->{match} && $path =~ $region->{match}) {
1185	($match, $specificity) = ($region, $region->specificity)	1816	($match, $specificity) = ($region, $region->specificity)
1186	if $region->specificity > $specificity;	1817	if $region->specificity > $specificity;
1187	}	1818	}
1188	}	1819	}
1189		1820
…		…
1210	our $MAX_RESET = 3600;	1841	our $MAX_RESET = 3600;
1211	our $DEFAULT_RESET = 3000;	1842	our $DEFAULT_RESET = 3000;
1212		1843
1213	sub generate_random_map {	1844	sub generate_random_map {
1214	my ($self, $rmp) = @_;	1845	my ($self, $rmp) = @_;
		1846
		1847	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1848
1215	# mit "rum" bekleckern, nicht	1849	# mit "rum" bekleckern, nicht
1216	$self->_create_random_map (	1850	$self->_create_random_map (
1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1851	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1852	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1853	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1220	$rmp->{exit_on_final_map},	1854	$rmp->{exit_on_final_map},
1221	$rmp->{xsize}, $rmp->{ysize},	1855	$rmp->{xsize}, $rmp->{ysize},
1222	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1856	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1223	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1857	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1238		1872
1239	sub register {	1873	sub register {
1240	my (undef, $regex, $prio) = @_;	1874	my (undef, $regex, $prio) = @_;
1241	my $pkg = caller;	1875	my $pkg = caller;
1242		1876
1243	no strict;
1244	push @{"$pkg\::ISA"}, __PACKAGE__;	1877	push @{"$pkg\::ISA"}, __PACKAGE__;
1245		1878
1246	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1879	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1247	}	1880	}
1248		1881
1249	# also paths starting with '/'	1882	# also paths starting with '/'
1250	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1883	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1251		1884
1252	sub thawer_merge {	1885	sub thawer_merge {
1253	my ($self, $merge) = @_;	1886	my ($self, $merge) = @_;
1254		1887
1255	# we have to keep some variables in memory intact	1888	# we have to keep some variables in memory intact
1256	local $self->{path};	1889	local $self->{path};
1257	local $self->{load_path};	1890	local $self->{load_path};
1258	local $self->{deny_save};
1259	local $self->{deny_reset};
1260		1891
1261	$self->SUPER::thawer_merge ($merge);	1892	$self->SUPER::thawer_merge ($merge);
1262	}	1893	}
1263		1894
1264	sub normalise {	1895	sub normalise {
1265	my ($path, $base) = @_;	1896	my ($path, $base) = @_;
1266		1897
1267	$path = "$path"; # make sure its a string	1898	$path = "$path"; # make sure it's a string
1268		1899
1269	$path =~ s/\.map$//;	1900	$path =~ s/\.map$//;
1270		1901
1271	# map plan:	1902	# map plan:
1272	#	1903	#
…		…
1311	$self->init; # pass $1 etc.	1942	$self->init; # pass $1 etc.
1312	return $self;	1943	return $self;
1313	}	1944	}
1314	}	1945	}
1315		1946
1316	Carp::carp "unable to resolve path '$path' (base '$base').";	1947	Carp::cluck "unable to resolve path '$path' (base '$base')";
1317	()	1948	()
1318	}	1949	}
1319		1950
1320	sub init {	1951	sub init {
1321	my ($self) = @_;	1952	my ($self) = @_;
…		…
1336		1967
1337	# the original (read-only) location	1968	# the original (read-only) location
1338	sub load_path {	1969	sub load_path {
1339	my ($self) = @_;	1970	my ($self) = @_;
1340		1971
1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1972	"$MAPDIR/$self->{path}.map"
1342	}	1973	}
1343		1974
1344	# the temporary/swap location	1975	# the temporary/swap location
1345	sub save_path {	1976	sub save_path {
1346	my ($self) = @_;	1977	my ($self) = @_;
1347		1978
1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1979	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1980	"$TMPDIR/$path.map"
1350	}	1981	}
1351		1982
1352	# the unique path, undef == no special unique path	1983	# the unique path, undef == no special unique path
1353	sub uniq_path {	1984	sub uniq_path {
1354	my ($self) = @_;	1985	my ($self) = @_;
1355		1986
1356	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1987	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1357	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1988	"$UNIQUEDIR/$path"
1358	}	1989	}
1359		1990
1360	# and all this just because we cannot iterate over	1991	sub decay_objects {
1361	# all maps in C++...
1362	sub change_all_map_light {
1363	my ($change) = @_;	1992	my ($self) = @_;
1364		1993
1365	$_->change_map_light ($change)	1994	return if $self->{deny_reset};
1366	for grep $_->outdoor, values %cf::MAP;	1995
		1996	$self->do_decay_objects;
1367	}	1997	}
1368		1998
1369	sub unlink_save {	1999	sub unlink_save {
1370	my ($self) = @_;	2000	my ($self) = @_;
1371		2001
…		…
1376		2006
1377	sub load_header_from($) {	2007	sub load_header_from($) {
1378	my ($self, $path) = @_;	2008	my ($self, $path) = @_;
1379		2009
1380	utf8::encode $path;	2010	utf8::encode $path;
1381	#aio_open $path, O_RDONLY, 0	2011	my $f = new_from_file cf::object::thawer $path
1382	# or return;
1383
1384	$self->_load_header ($path)
1385	or return;	2012	or return;
		2013
		2014	$self->_load_header ($f)
		2015	or return;
		2016
		2017	local $MAP_LOADING{$self->{path}} = $self;
		2018	$f->resolve_delayed_derefs;
1386		2019
1387	$self->{load_path} = $path;	2020	$self->{load_path} = $path;
1388		2021
1389	1	2022	1
1390	}	2023	}
…		…
1429	$self->load_header_orig	2062	$self->load_header_orig
1430	or return;	2063	or return;
1431	$self->prepare_orig;	2064	$self->prepare_orig;
1432	}	2065	}
1433		2066
		2067	$self->{deny_reset} = 1
		2068	if $self->no_reset;
		2069
1434	$self->default_region (cf::region::find_by_path $self->{path})	2070	$self->default_region (cf::region::find_by_path $self->{path})
1435	unless $self->default_region;	2071	unless $self->default_region;
1436		2072
1437	1	2073	1
1438	}	2074	}
1439		2075
1440	sub find;	2076	sub find;
1441	sub find {	2077	sub find {
1442	my ($path, $origin) = @_;	2078	my ($path, $origin) = @_;
1443		2079
		2080	cf::cede_to_tick;
		2081
1444	$path = normalise $path, $origin && $origin->path;	2082	$path = normalise $path, $origin && $origin->path;
1445		2083
		2084	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1446	cf::lock_wait "map_find:$path";	2085	my $guard2 = cf::lock_acquire "map_find:$path";
1447		2086
1448	$cf::MAP{$path} || do {	2087	$cf::MAP{$path} || do {
1449	my $guard = cf::lock_acquire "map_find:$path";
1450	my $map = new_from_path cf::map $path	2088	my $map = new_from_path cf::map $path
1451	or return;	2089	or return;
1452		2090
1453	$map->{last_save} = $cf::RUNTIME;	2091	$map->{last_save} = $cf::RUNTIME;
1454		2092
1455	$map->load_header	2093	$map->load_header
1456	or return;	2094	or return;
1457		2095
1458	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2096	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1459	# doing this can freeze the server in a sync job, obviously	2097	# doing this can freeze the server in a sync job, obviously
1460	#$cf::WAIT_FOR_TICK->wait;	2098	#$cf::WAIT_FOR_TICK->wait;
		2099	undef $guard2;
		2100	undef $guard1;
1461	$map->reset;	2101	$map->reset;
1462	undef $guard;
1463	return find $path;	2102	return find $path;
1464	}	2103	}
1465		2104
1466	$cf::MAP{$path} = $map	2105	$cf::MAP{$path} = $map
1467	}	2106	}
1468	}	2107	}
1469		2108
1470	sub pre_load { }	2109	sub pre_load { }
1471	sub post_load { }	2110	#sub post_load { } # XS
1472		2111
1473	sub load {	2112	sub load {
1474	my ($self) = @_;	2113	my ($self) = @_;
1475		2114
1476	local $self->{deny_reset} = 1; # loading can take a long time	2115	local $self->{deny_reset} = 1; # loading can take a long time
1477		2116
1478	my $path = $self->{path};	2117	my $path = $self->{path};
		2118
		2119	{
1479	my $guard = cf::lock_acquire "map_load:$path";	2120	my $guard = cf::lock_acquire "map_data:$path";
1480		2121
		2122	return unless $self->valid;
1481	return if $self->in_memory != cf::MAP_SWAPPED;	2123	return unless $self->in_memory == cf::MAP_SWAPPED;
1482		2124
1483	$self->in_memory (cf::MAP_LOADING);	2125	$self->in_memory (cf::MAP_LOADING);
1484		2126
1485	$self->alloc;	2127	$self->alloc;
1486		2128
1487	$self->pre_load;	2129	$self->pre_load;
1488	Coro::cede;	2130	cf::cede_to_tick;
1489		2131
1490	$self->_load_objects ($self->{load_path}, 1)	2132	my $f = new_from_file cf::object::thawer $self->{load_path};
		2133	$f->skip_block;
		2134	$self->_load_objects ($f)
1491	or return;	2135	or return;
1492		2136
1493	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2137	$self->post_load_original
1494	if delete $self->{load_original};	2138	if delete $self->{load_original};
1495		2139
1496	if (my $uniq = $self->uniq_path) {	2140	if (my $uniq = $self->uniq_path) {
1497	utf8::encode $uniq;	2141	utf8::encode $uniq;
1498	if (aio_open $uniq, O_RDONLY, 0) {	2142	unless (aio_stat $uniq) {
		2143	if (my $f = new_from_file cf::object::thawer $uniq) {
1499	$self->clear_unique_items;	2144	$self->clear_unique_items;
1500	$self->_load_objects ($uniq, 0);	2145	$self->_load_objects ($f);
		2146	$f->resolve_delayed_derefs;
		2147	}
1501	}	2148	}
1502	}	2149	}
1503		2150
1504	Coro::cede;	2151	$f->resolve_delayed_derefs;
		2152
		2153	cf::cede_to_tick;
1505	# now do the right thing for maps	2154	# now do the right thing for maps
1506	$self->link_multipart_objects;	2155	$self->link_multipart_objects;
1507	Coro::cede;
1508
1509	unless ($self->{deny_activate}) {
1510	$self->decay_objects;
1511	$self->fix_auto_apply;
1512	$self->update_buttons;
1513	Coro::cede;
1514	$self->set_darkness_map;
1515	$self->difficulty ($self->estimate_difficulty)	2156	$self->difficulty ($self->estimate_difficulty)
1516	unless $self->difficulty;	2157	unless $self->difficulty;
1517	Coro::cede;	2158	cf::cede_to_tick;
		2159
		2160	unless ($self->{deny_activate}) {
		2161	$self->decay_objects;
		2162	$self->fix_auto_apply;
		2163	$self->update_buttons;
		2164	cf::cede_to_tick;
1518	$self->activate;	2165	$self->activate;
1519	Coro::cede;	2166	}
		2167
		2168	$self->{last_save} = $cf::RUNTIME;
		2169	$self->last_access ($cf::RUNTIME);
		2170
		2171	$self->in_memory (cf::MAP_ACTIVE);
1520	}	2172	}
1521		2173
1522	$self->post_load;	2174	$self->post_load;
1523	Coro::cede;
1524
1525	$self->in_memory (cf::MAP_IN_MEMORY);
1526	}	2175	}
1527		2176
		2177	# customize the map for a given player, i.e.
		2178	# return the _real_ map. used by e.g. per-player
		2179	# maps to change the path to ~playername/mappath
1528	sub customise_for {	2180	sub customise_for {
1529	my ($self, $ob) = @_;	2181	my ($self, $ob) = @_;
1530		2182
1531	return find "~" . $ob->name . "/" . $self->{path}	2183	return find "~" . $ob->name . "/" . $self->{path}
1532	if $self->per_player;	2184	if $self->per_player;
1533		2185
		2186	# return find "?party/" . $ob->name . "/" . $self->{path}
		2187	# if $self->per_party;
		2188
1534	$self	2189	$self
1535	}	2190	}
1536		2191
1537	# find and load all maps in the 3x3 area around a map	2192	# find and load all maps in the 3x3 area around a map
1538	sub load_diag {	2193	sub load_neighbours {
1539	my ($map) = @_;	2194	my ($map) = @_;
1540		2195
1541	my @diag; # diagonal neighbours	2196	my @neigh; # diagonal neighbours
1542		2197
1543	for (0 .. 3) {	2198	for (0 .. 3) {
1544	my $neigh = $map->tile_path ($_)	2199	my $neigh = $map->tile_path ($_)
1545	or next;	2200	or next;
1546	$neigh = find $neigh, $map	2201	$neigh = find $neigh, $map
1547	or next;	2202	or next;
1548	$neigh->load;	2203	$neigh->load;
1549		2204
		2205	# now find the diagonal neighbours
		2206	push @neigh,
1550	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2207	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1551	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2208	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1552	}	2209	}
1553		2210
1554	for (@diag) {	2211	for (grep defined $_->[0], @neigh) {
		2212	my ($path, $origin) = @$_;
1555	my $neigh = find @$_	2213	my $neigh = find $path, $origin
1556	or next;	2214	or next;
1557	$neigh->load;	2215	$neigh->load;
1558	}	2216	}
1559	}	2217	}
1560		2218
1561	sub find_sync {	2219	sub find_sync {
1562	my ($path, $origin) = @_;	2220	my ($path, $origin) = @_;
1563		2221
1564	cf::sync_job { find $path, $origin }	2222	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2223	if $Coro::current == $Coro::main;
		2224
		2225	find $path, $origin
1565	}	2226	}
1566		2227
1567	sub do_load_sync {	2228	sub do_load_sync {
1568	my ($map) = @_;	2229	my ($map) = @_;
1569		2230
1570	cf::sync_job { $map->load };	2231	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2232	if $Coro::current == $Coro::main;
		2233
		2234	$map->load;
1571	}	2235	}
1572		2236
1573	our %MAP_PREFETCH;	2237	our %MAP_PREFETCH;
1574	our $MAP_PREFETCHER = undef;	2238	our $MAP_PREFETCHER = undef;
1575		2239
1576	sub find_async {	2240	sub find_async {
1577	my ($path, $origin) = @_;	2241	my ($path, $origin, $load) = @_;
1578		2242
1579	$path = normalise $path, $origin && $origin->{path};	2243	$path = normalise $path, $origin && $origin->{path};
1580		2244
1581	if (my $map = $cf::MAP{$path}) {	2245	if (my $map = $cf::MAP{$path}) {
1582	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2246	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1583	}	2247	}
1584		2248
1585	undef $MAP_PREFETCH{$path};	2249	$MAP_PREFETCH{$path} |= $load;
		2250
1586	$MAP_PREFETCHER ||= cf::async {	2251	$MAP_PREFETCHER ||= cf::async {
		2252	$Coro::current->{desc} = "map prefetcher";
		2253
1587	while (%MAP_PREFETCH) {	2254	while (%MAP_PREFETCH) {
1588	for my $path (keys %MAP_PREFETCH) {	2255	while (my ($k, $v) = each %MAP_PREFETCH) {
1589	my $map = find $path	2256	if (my $map = find $k) {
1590	or next;
1591	$map->load;	2257	$map->load if $v;
		2258	}
1592		2259
1593	delete $MAP_PREFETCH{$path};	2260	delete $MAP_PREFETCH{$k};
1594	}	2261	}
1595	}	2262	}
1596	undef $MAP_PREFETCHER;	2263	undef $MAP_PREFETCHER;
1597	};	2264	};
1598	$MAP_PREFETCHER->prio (6);	2265	$MAP_PREFETCHER->prio (6);
1599		2266
1600	()	2267	()
1601	}	2268	}
1602		2269
		2270	# common code, used by both ->save and ->swapout
1603	sub save {	2271	sub _save {
1604	my ($self) = @_;	2272	my ($self) = @_;
1605
1606	my $lock = cf::lock_acquire "map_data:" . $self->path;
1607		2273
1608	$self->{last_save} = $cf::RUNTIME;	2274	$self->{last_save} = $cf::RUNTIME;
1609		2275
1610	return unless $self->dirty;	2276	return unless $self->dirty;
1611		2277
…		…
1617	return if $self->{deny_save};	2283	return if $self->{deny_save};
1618		2284
1619	local $self->{last_access} = $self->last_access;#d#	2285	local $self->{last_access} = $self->last_access;#d#
1620		2286
1621	cf::async {	2287	cf::async {
		2288	$Coro::current->{desc} = "map player save";
1622	$_->contr->save for $self->players;	2289	$_->contr->save for $self->players;
1623	};	2290	};
		2291
		2292	cf::get_slot 0.02;
1624		2293
1625	if ($uniq) {	2294	if ($uniq) {
1626	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2295	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1627	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2296	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1628	} else {	2297	} else {
1629	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2298	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1630	}	2299	}
1631	}	2300	}
1632		2301
		2302	sub save {
		2303	my ($self) = @_;
		2304
		2305	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2306
		2307	$self->_save;
		2308	}
		2309
1633	sub swap_out {	2310	sub swap_out {
1634	my ($self) = @_;	2311	my ($self) = @_;
1635		2312
1636	# save first because save cedes
1637	$self->save;
1638
1639	my $lock = cf::lock_acquire "map_data:" . $self->path;	2313	my $lock = cf::lock_acquire "map_data:$self->{path}";
1640		2314
		2315	return if $self->in_memory != cf::MAP_ACTIVE;
		2316	return if $self->{deny_save};
1641	return if $self->players;	2317	return if $self->players;
1642	return if $self->in_memory != cf::MAP_IN_MEMORY;
1643	return if $self->{deny_save};
1644		2318
		2319	# first deactivate the map and "unlink" it from the core
		2320	$self->deactivate;
		2321	$_->clear_links_to ($self) for values %cf::MAP;
		2322	$self->in_memory (cf::MAP_SWAPPED);
		2323
		2324	# then atomically save
		2325	$self->_save;
		2326
		2327	# then free the map
1645	$self->clear;	2328	$self->clear;
1646	$self->in_memory (cf::MAP_SWAPPED);
1647	}	2329	}
1648		2330
1649	sub reset_at {	2331	sub reset_at {
1650	my ($self) = @_;	2332	my ($self) = @_;
1651		2333
1652	# TODO: safety, remove and allow resettable per-player maps	2334	# TODO: safety, remove and allow resettable per-player maps
1653	return 1e99 if $self->isa ("ext::map_per_player");#d#
1654	return 1e99 if $self->{deny_reset};	2335	return 1e99 if $self->{deny_reset};
1655		2336
1656	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2337	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1657	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2338	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1658		2339
…		…
1669	my ($self) = @_;	2350	my ($self) = @_;
1670		2351
1671	my $lock = cf::lock_acquire "map_data:$self->{path}";	2352	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		2353
1673	return if $self->players;	2354	return if $self->players;
1674	return if $self->isa ("ext::map_per_player");#d#
1675		2355
1676	warn "resetting map ", $self->path;#d#	2356	cf::trace "resetting map ", $self->path, "\n";
1677		2357
1678	$self->in_memory (cf::MAP_SWAPPED);	2358	$self->in_memory (cf::MAP_SWAPPED);
1679		2359
1680	# need to save uniques path	2360	# need to save uniques path
1681	unless ($self->{deny_save}) {	2361	unless ($self->{deny_save}) {
…		…
1685	if $uniq;	2365	if $uniq;
1686	}	2366	}
1687		2367
1688	delete $cf::MAP{$self->path};	2368	delete $cf::MAP{$self->path};
1689		2369
		2370	$self->deactivate;
		2371	$_->clear_links_to ($self) for values %cf::MAP;
1690	$self->clear;	2372	$self->clear;
1691
1692	$_->clear_links_to ($self) for values %cf::MAP;
1693		2373
1694	$self->unlink_save;	2374	$self->unlink_save;
1695	$self->destroy;	2375	$self->destroy;
1696	}	2376	}
1697		2377
1698	my $nuke_counter = "aaaa";	2378	my $nuke_counter = "aaaa";
1699		2379
1700	sub nuke {	2380	sub nuke {
1701	my ($self) = @_;	2381	my ($self) = @_;
1702		2382
		2383	{
		2384	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2385
1703	delete $cf::MAP{$self->path};	2386	delete $cf::MAP{$self->path};
1704		2387
1705	$self->unlink_save;	2388	$self->unlink_save;
1706		2389
1707	bless $self, "cf::map";	2390	bless $self, "cf::map::wrap";
1708	delete $self->{deny_reset};	2391	delete $self->{deny_reset};
1709	$self->{deny_save} = 1;	2392	$self->{deny_save} = 1;
1710	$self->reset_timeout (1);	2393	$self->reset_timeout (1);
1711	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2394	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1712		2395
1713	$cf::MAP{$self->path} = $self;	2396	$cf::MAP{$self->path} = $self;
		2397	}
1714		2398
1715	$self->reset; # polite request, might not happen	2399	$self->reset; # polite request, might not happen
		2400	}
		2401
		2402	=item $maps = cf::map::tmp_maps
		2403
		2404	Returns an arrayref with all map paths of currently instantiated and saved
		2405	maps. May block.
		2406
		2407	=cut
		2408
		2409	sub tmp_maps() {
		2410	[
		2411	map {
		2412	utf8::decode $_;
		2413	/\.map$/
		2414	? normalise $_
		2415	: ()
		2416	} @{ aio_readdir $TMPDIR or [] }
		2417	]
		2418	}
		2419
		2420	=item $maps = cf::map::random_maps
		2421
		2422	Returns an arrayref with all map paths of currently instantiated and saved
		2423	random maps. May block.
		2424
		2425	=cut
		2426
		2427	sub random_maps() {
		2428	[
		2429	map {
		2430	utf8::decode $_;
		2431	/\.map$/
		2432	? normalise "?random/$_"
		2433	: ()
		2434	} @{ aio_readdir $RANDOMDIR or [] }
		2435	]
1716	}	2436	}
1717		2437
1718	=item cf::map::unique_maps	2438	=item cf::map::unique_maps
1719		2439
1720	Returns an arrayref of paths of all shared maps that have	2440	Returns an arrayref of paths of all shared maps that have
1721	instantiated unique items. May block.	2441	instantiated unique items. May block.
1722		2442
1723	=cut	2443	=cut
1724		2444
1725	sub unique_maps() {	2445	sub unique_maps() {
1726	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2446	[
1727	or return;	2447	map {
1728
1729	my @paths;
1730
1731	for (@$files) {
1732	utf8::decode $_;	2448	utf8::decode $_;
1733	next if /\.pst$/;	2449	s/\.map$//; # TODO future compatibility hack
1734	next unless /^$PATH_SEP/o;	2450	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1735		2451	? ()
1736	push @paths, cf::map::normalise $_;	2452	: normalise $_
		2453	} @{ aio_readdir $UNIQUEDIR or [] }
1737	}	2454	]
1738
1739	\@paths
1740	}	2455	}
1741		2456
1742	package cf;	2457	=item cf::map::static_maps
		2458
		2459	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2460	file in the shared directory excluding F</styles> and F</editor>). May
		2461	block.
		2462
		2463	=cut
		2464
		2465	sub static_maps() {
		2466	my @dirs = "";
		2467	my @maps;
		2468
		2469	while (@dirs) {
		2470	my $dir = shift @dirs;
		2471
		2472	next if $dir eq "/styles" || $dir eq "/editor";
		2473
		2474	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2475	or return;
		2476
		2477	for (@$files) {
		2478	s/\.map$// or next;
		2479	utf8::decode $_;
		2480	push @maps, "$dir/$_";
		2481	}
		2482
		2483	push @dirs, map "$dir/$_", @$dirs;
		2484	}
		2485
		2486	\@maps
		2487	}
1743		2488
1744	=back	2489	=back
1745		2490
1746	=head3 cf::object	2491	=head3 cf::object
1747		2492
…		…
1751		2496
1752	=over 4	2497	=over 4
1753		2498
1754	=item $ob->inv_recursive	2499	=item $ob->inv_recursive
1755		2500
1756	Returns the inventory of the object _and_ their inventories, recursively.	2501	Returns the inventory of the object I<and> their inventories, recursively,
		2502	but I<not> the object itself.
1757		2503
1758	=cut	2504	=cut
1759		2505
1760	sub inv_recursive_;	2506	sub inv_recursive_;
1761	sub inv_recursive_ {	2507	sub inv_recursive_ {
…		…
1764		2510
1765	sub inv_recursive {	2511	sub inv_recursive {
1766	inv_recursive_ inv $_[0]	2512	inv_recursive_ inv $_[0]
1767	}	2513	}
1768		2514
		2515	=item $ref = $ob->ref
		2516
		2517	Creates and returns a persistent reference to an object that can be stored as a string.
		2518
		2519	=item $ob = cf::object::deref ($refstring)
		2520
		2521	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2522	even if the object actually exists. May block.
		2523
		2524	=cut
		2525
		2526	sub deref {
		2527	my ($ref) = @_;
		2528
		2529	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2530	my ($uuid, $name) = ($1, $2);
		2531	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2532	or return;
		2533	$pl->ob->uuid eq $uuid
		2534	or return;
		2535
		2536	$pl->ob
		2537	} else {
		2538	warn "$ref: cannot resolve object reference\n";
		2539	undef
		2540	}
		2541	}
		2542
1769	package cf;	2543	package cf;
1770		2544
1771	=back	2545	=back
1772		2546
1773	=head3 cf::object::player	2547	=head3 cf::object::player
…		…
1779	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2553	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1780	can be C<undef>. Does the right thing when the player is currently in a	2554	can be C<undef>. Does the right thing when the player is currently in a
1781	dialogue with the given NPC character.	2555	dialogue with the given NPC character.
1782		2556
1783	=cut	2557	=cut
		2558
		2559	our $SAY_CHANNEL = {
		2560	id => "say",
		2561	title => "Map",
		2562	reply => "say ",
		2563	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2564	};
		2565
		2566	our $CHAT_CHANNEL = {
		2567	id => "chat",
		2568	title => "Chat",
		2569	reply => "chat ",
		2570	tooltip => "Player chat and shouts, global to the server.",
		2571	};
1784		2572
1785	# rough implementation of a future "reply" method that works	2573	# rough implementation of a future "reply" method that works
1786	# with dialog boxes.	2574	# with dialog boxes.
1787	#TODO: the first argument must go, split into a $npc->reply_to ( method	2575	#TODO: the first argument must go, split into a $npc->reply_to ( method
1788	sub cf::object::player::reply($$$;$) {	2576	sub cf::object::player::reply($$$;$) {
…		…
1790		2578
1791	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2579	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1792		2580
1793	if ($self->{record_replies}) {	2581	if ($self->{record_replies}) {
1794	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2582	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2583
1795	} else {	2584	} else {
		2585	my $pl = $self->contr;
		2586
		2587	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2588	my $dialog = $pl->{npc_dialog};
		2589	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2590
		2591	} else {
1796	$msg = $npc->name . " says: $msg" if $npc;	2592	$msg = $npc->name . " says: $msg" if $npc;
1797	$self->message ($msg, $flags);	2593	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2594	}
1798	}	2595	}
		2596	}
		2597
		2598	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2599
		2600	=cut
		2601
		2602	sub cf::object::send_msg {
		2603	my $pl = shift->contr
		2604	or return;
		2605	$pl->send_msg (@_);
1799	}	2606	}
1800		2607
1801	=item $player_object->may ("access")	2608	=item $player_object->may ("access")
1802		2609
1803	Returns wether the given player is authorized to access resource "access"	2610	Returns wether the given player is authorized to access resource "access"
…		…
1816		2623
1817	=item $player_object->enter_link	2624	=item $player_object->enter_link
1818		2625
1819	Freezes the player and moves him/her to a special map (C<{link}>).	2626	Freezes the player and moves him/her to a special map (C<{link}>).
1820		2627
1821	The player should be reasonably safe there for short amounts of time. You	2628	The player should be reasonably safe there for short amounts of time (e.g.
1822	I<MUST> call C<leave_link> as soon as possible, though.	2629	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2630	though, as the player cannot control the character while it is on the link
		2631	map.
1823		2632
1824	Will never block.	2633	Will never block.
1825		2634
1826	=item $player_object->leave_link ($map, $x, $y)	2635	=item $player_object->leave_link ($map, $x, $y)
1827		2636
…		…
1847	sub cf::object::player::enter_link {	2656	sub cf::object::player::enter_link {
1848	my ($self) = @_;	2657	my ($self) = @_;
1849		2658
1850	$self->deactivate_recursive;	2659	$self->deactivate_recursive;
1851		2660
		2661	++$self->{_link_recursion};
		2662
1852	return if UNIVERSAL::isa $self->map, "ext::map_link";	2663	return if UNIVERSAL::isa $self->map, "ext::map_link";
1853		2664
1854	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2665	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1855	if $self->map;	2666	if $self->map && $self->map->{path} ne "{link}";
1856		2667
1857	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2668	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1858	}	2669	}
1859		2670
1860	sub cf::object::player::leave_link {	2671	sub cf::object::player::leave_link {
1861	my ($self, $map, $x, $y) = @_;	2672	my ($self, $map, $x, $y) = @_;
		2673
		2674	return unless $self->contr->active;
1862		2675
1863	my $link_pos = delete $self->{_link_pos};	2676	my $link_pos = delete $self->{_link_pos};
1864		2677
1865	unless ($map) {	2678	unless ($map) {
1866	# restore original map position	2679	# restore original map position
…		…
1877	($x, $y) = (-1, -1)	2690	($x, $y) = (-1, -1)
1878	unless (defined $x) && (defined $y);	2691	unless (defined $x) && (defined $y);
1879		2692
1880	# use -1 or undef as default coordinates, not 0, 0	2693	# use -1 or undef as default coordinates, not 0, 0
1881	($x, $y) = ($map->enter_x, $map->enter_y)	2694	($x, $y) = ($map->enter_x, $map->enter_y)
1882	if $x <=0 && $y <= 0;	2695	if $x <= 0 && $y <= 0;
1883		2696
1884	$map->load;	2697	$map->load;
1885	$map->load_diag;	2698	$map->load_neighbours;
1886		2699
1887	return unless $self->contr->active;	2700	return unless $self->contr->active;
1888	$self->activate_recursive;
1889		2701
1890	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2702	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1891	$self->enter_map ($map, $x, $y);	2703	if ($self->enter_map ($map, $x, $y)) {
1892	}	2704	# entering was successful
1893		2705	delete $self->{_link_recursion};
1894	cf::player->attach (	2706	# only activate afterwards, to support waiting in hooks
1895	on_logout => sub {	2707	$self->activate_recursive;
1896	my ($pl) = @_;
1897
1898	# abort map switching before logout
1899	if ($pl->ob->{_link_pos}) {
1900	cf::sync_job {
1901	$pl->ob->leave_link
1902	};
1903	}
1904	},	2708	}
1905	on_login => sub {
1906	my ($pl) = @_;
1907		2709
1908	# try to abort aborted map switching on player login :)	2710	}
1909	# should happen only on crashes
1910	if ($pl->ob->{_link_pos}) {
1911	$pl->ob->enter_link;
1912	(async {
1913	$pl->ob->reply (undef,
1914	"There was an internal problem at your last logout, "
1915	. "the server will try to bring you to your intended destination in a second.",
1916	cf::NDI_RED);
1917	# we need this sleep as the login has a concurrent enter_exit running
1918	# and this sleep increases chances of the player not ending up in scorn
1919	Coro::Timer::sleep 1;
1920	$pl->ob->leave_link;
1921	})->prio (2);
1922	}
1923	},
1924	);
1925		2711
1926	=item $player_object->goto ($path, $x, $y)	2712	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1927		2713
		2714	Moves the player to the given map-path and coordinates by first freezing
		2715	her, loading and preparing them map, calling the provided $check callback
		2716	that has to return the map if sucecssful, and then unfreezes the player on
		2717	the new (success) or old (failed) map position. In either case, $done will
		2718	be called at the end of this process.
		2719
		2720	Note that $check will be called with a potentially non-loaded map, so if
		2721	it needs a loaded map it has to call C<< ->load >>.
		2722
1928	=cut	2723	=cut
		2724
		2725	our $GOTOGEN;
1929		2726
1930	sub cf::object::player::goto {	2727	sub cf::object::player::goto {
1931	my ($self, $path, $x, $y) = @_;	2728	my ($self, $path, $x, $y, $check, $done) = @_;
		2729
		2730	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2731	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2732	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2733	($path, $x, $y) = @$EMERGENCY_POSITION;
		2734	}
		2735
		2736	# do generation counting so two concurrent goto's will be executed in-order
		2737	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1932		2738
1933	$self->enter_link;	2739	$self->enter_link;
1934		2740
1935	(async {	2741	(async {
		2742	$Coro::current->{desc} = "player::goto $path $x $y";
		2743
		2744	# *tag paths override both path and x|y
		2745	if ($path =~ /^\*(.*)$/) {
		2746	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2747	my $ob = $obs[rand @obs];
		2748
		2749	# see if we actually can go there
		2750	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2751	$ob = $obs[rand @obs];
		2752	} else {
		2753	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2754	}
		2755	# else put us there anyways for now #d#
		2756
		2757	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2758	} else {
		2759	($path, $x, $y) = (undef, undef, undef);
		2760	}
		2761	}
		2762
1936	my $map = eval {	2763	my $map = eval {
1937	my $map = cf::map::find $path;	2764	my $map = defined $path ? cf::map::find $path : undef;
		2765
		2766	if ($map) {
1938	$map = $map->customise_for ($self) if $map;	2767	$map = $map->customise_for ($self);
		2768	$map = $check->($map, $x, $y, $self) if $check && $map;
		2769	} else {
		2770	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2771	}
		2772
1939	$map	2773	$map
		2774	};
		2775
		2776	if ($@) {
		2777	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2778	LOG llevError | logBacktrace, Carp::longmess $@;
1940	} or	2779	}
1941	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1942		2780
		2781	if ($gen == $self->{_goto_generation}) {
		2782	delete $self->{_goto_generation};
1943	$self->leave_link ($map, $x, $y);	2783	$self->leave_link ($map, $x, $y);
		2784	}
		2785
		2786	$done->($self) if $done;
1944	})->prio (1);	2787	})->prio (1);
1945	}	2788	}
1946		2789
1947	=item $player_object->enter_exit ($exit_object)	2790	=item $player_object->enter_exit ($exit_object)
1948		2791
…		…
1968	}	2811	}
1969		2812
1970	sub prepare_random_map {	2813	sub prepare_random_map {
1971	my ($exit) = @_;	2814	my ($exit) = @_;
1972		2815
1973	my $guard = cf::lock_acquire "exit_prepare:$exit";
1974
1975	# all this does is basically replace the /! path by	2816	# all this does is basically replace the /! path by
1976	# a new random map path (?random/...) with a seed	2817	# a new random map path (?random/...) with a seed
1977	# that depends on the exit object	2818	# that depends on the exit object
1978		2819
1979	my $rmp = parse_random_map_params $exit->msg;	2820	my $rmp = parse_random_map_params $exit->msg;
…		…
1981	if ($exit->map) {	2822	if ($exit->map) {
1982	$rmp->{region} = $exit->region->name;	2823	$rmp->{region} = $exit->region->name;
1983	$rmp->{origin_map} = $exit->map->path;	2824	$rmp->{origin_map} = $exit->map->path;
1984	$rmp->{origin_x} = $exit->x;	2825	$rmp->{origin_x} = $exit->x;
1985	$rmp->{origin_y} = $exit->y;	2826	$rmp->{origin_y} = $exit->y;
		2827
		2828	$exit->map->touch;
1986	}	2829	}
1987		2830
1988	$rmp->{random_seed} ||= $exit->random_seed;	2831	$rmp->{random_seed} ||= $exit->random_seed;
1989		2832
1990	my $data = cf::to_json $rmp;	2833	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1991	my $md5 = Digest::MD5::md5_hex $data;	2834	my $md5 = Digest::MD5::md5_hex $data;
1992	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2835	my $meta = "$RANDOMDIR/$md5.meta";
1993		2836
1994	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2837	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1995	aio_write $fh, 0, (length $data), $data, 0;	2838	aio_write $fh, 0, (length $data), $data, 0;
1996	undef $fh;	2839	undef $fh;
1997	aio_rename "$meta~", $meta;	2840	aio_rename "$meta~", $meta;
1998		2841
		2842	my $slaying = "?random/$md5";
		2843
		2844	if ($exit->valid) {
1999	$exit->slaying ("?random/$md5");	2845	$exit->slaying ("?random/$md5");
2000	$exit->msg (undef);	2846	$exit->msg (undef);
		2847	}
2001	}	2848	}
2002	}	2849	}
2003		2850
2004	sub cf::object::player::enter_exit {	2851	sub cf::object::player::enter_exit {
2005	my ($self, $exit) = @_;	2852	my ($self, $exit) = @_;
2006		2853
2007	return unless $self->type == cf::PLAYER;	2854	return unless $self->type == cf::PLAYER;
2008		2855
2009	if ($exit->slaying eq "/!") {
2010	#TODO: this should de-fi-ni-te-ly not be a sync-job
2011	# the problem is that $exit might not survive long enough
2012	# so it needs to be done right now, right here
2013	cf::sync_job { prepare_random_map $exit };
2014	}
2015
2016	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2017	my $hp = $exit->stats->hp;
2018	my $sp = $exit->stats->sp;
2019
2020	$self->enter_link;	2856	$self->enter_link;
2021		2857
2022	(async {	2858	(async {
2023	$self->deactivate_recursive; # just to be sure	2859	$Coro::current->{desc} = "enter_exit";
		2860
2024	unless (eval {	2861	unless (eval {
		2862	$self->deactivate_recursive; # just to be sure
		2863
		2864	# random map handling
		2865	{
		2866	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2867
		2868	prepare_random_map $exit
		2869	if $exit->slaying eq "/!";
		2870	}
		2871
		2872	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2873	my $x = $exit->stats->hp;
		2874	my $y = $exit->stats->sp;
		2875
2025	$self->goto ($slaying, $hp, $sp);	2876	$self->goto ($map, $x, $y);
2026		2877
		2878	# if exit is damned, update players death & WoR home-position
		2879	$self->contr->savebed ($map, $x, $y)
		2880	if $exit->flag (cf::FLAG_DAMNED);
		2881
2027	1;	2882	1
2028	}) {	2883	}) {
2029	$self->message ("Something went wrong deep within the crossfire server. "	2884	$self->message ("Something went wrong deep within the deliantra server. "
2030	. "I'll try to bring you back to the map you were before. "	2885	. "I'll try to bring you back to the map you were before. "
2031	. "Please report this to the dungeon master!",	2886	. "Please report this to the dungeon master!",
2032	cf::NDI_UNIQUE | cf::NDI_RED);	2887	cf::NDI_UNIQUE | cf::NDI_RED);
2033		2888
2034	warn "ERROR in enter_exit: $@";	2889	error "ERROR in enter_exit: $@";
2035	$self->leave_link;	2890	$self->leave_link;
2036	}	2891	}
2037	})->prio (1);	2892	})->prio (1);
2038	}	2893	}
2039		2894
…		…
2053		2908
2054	utf8::encode $text;	2909	utf8::encode $text;
2055	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2910	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2056	}	2911	}
2057		2912
		2913	=item $client->send_big_packet ($pkt)
		2914
		2915	Like C<send_packet>, but tries to compress large packets, and fragments
		2916	them as required.
		2917
		2918	=cut
		2919
		2920	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2921
		2922	sub cf::client::send_big_packet {
		2923	my ($self, $pkt) = @_;
		2924
		2925	# try lzf for large packets
		2926	$pkt = "lzf " . Compress::LZF::compress $pkt
		2927	if 1024 <= length $pkt and $self->{can_lzf};
		2928
		2929	# split very large packets
		2930	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2931	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2932	$pkt = "frag";
		2933	}
		2934
		2935	$self->send_packet ($pkt);
		2936	}
		2937
		2938	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2939
		2940	Send a drawinfo or msg packet to the client, formatting the msg for the
		2941	client if neccessary. C<$type> should be a string identifying the type of
		2942	the message, with C<log> being the default. If C<$color> is negative, suppress
		2943	the message unless the client supports the msg packet.
		2944
		2945	=cut
		2946
		2947	# non-persistent channels (usually the info channel)
		2948	our %CHANNEL = (
		2949	"c/motd" => {
		2950	id => "infobox",
		2951	title => "MOTD",
		2952	reply => undef,
		2953	tooltip => "The message of the day",
		2954	},
		2955	"c/identify" => {
		2956	id => "infobox",
		2957	title => "Identify",
		2958	reply => undef,
		2959	tooltip => "Items recently identified",
		2960	},
		2961	"c/examine" => {
		2962	id => "infobox",
		2963	title => "Examine",
		2964	reply => undef,
		2965	tooltip => "Signs and other items you examined",
		2966	},
		2967	"c/shopinfo" => {
		2968	id => "infobox",
		2969	title => "Shop Info",
		2970	reply => undef,
		2971	tooltip => "What your bargaining skill tells you about the shop",
		2972	},
		2973	"c/book" => {
		2974	id => "infobox",
		2975	title => "Book",
		2976	reply => undef,
		2977	tooltip => "The contents of a note or book",
		2978	},
		2979	"c/lookat" => {
		2980	id => "infobox",
		2981	title => "Look",
		2982	reply => undef,
		2983	tooltip => "What you saw there",
		2984	},
		2985	"c/who" => {
		2986	id => "infobox",
		2987	title => "Players",
		2988	reply => undef,
		2989	tooltip => "Shows players who are currently online",
		2990	},
		2991	"c/body" => {
		2992	id => "infobox",
		2993	title => "Body Parts",
		2994	reply => undef,
		2995	tooltip => "Shows which body parts you posess and are available",
		2996	},
		2997	"c/statistics" => {
		2998	id => "infobox",
		2999	title => "Statistics",
		3000	reply => undef,
		3001	tooltip => "Shows your primary statistics",
		3002	},
		3003	"c/skills" => {
		3004	id => "infobox",
		3005	title => "Skills",
		3006	reply => undef,
		3007	tooltip => "Shows your experience per skill and item power",
		3008	},
		3009	"c/shopitems" => {
		3010	id => "infobox",
		3011	title => "Shop Items",
		3012	reply => undef,
		3013	tooltip => "Shows the items currently for sale in this shop",
		3014	},
		3015	"c/resistances" => {
		3016	id => "infobox",
		3017	title => "Resistances",
		3018	reply => undef,
		3019	tooltip => "Shows your resistances",
		3020	},
		3021	"c/pets" => {
		3022	id => "infobox",
		3023	title => "Pets",
		3024	reply => undef,
		3025	tooltip => "Shows information abotu your pets/a specific pet",
		3026	},
		3027	"c/perceiveself" => {
		3028	id => "infobox",
		3029	title => "Perceive Self",
		3030	reply => undef,
		3031	tooltip => "You gained detailed knowledge about yourself",
		3032	},
		3033	"c/uptime" => {
		3034	id => "infobox",
		3035	title => "Uptime",
		3036	reply => undef,
		3037	tooltip => "How long the server has been running since last restart",
		3038	},
		3039	"c/mapinfo" => {
		3040	id => "infobox",
		3041	title => "Map Info",
		3042	reply => undef,
		3043	tooltip => "Information related to the maps",
		3044	},
		3045	"c/party" => {
		3046	id => "party",
		3047	title => "Party",
		3048	reply => "gsay ",
		3049	tooltip => "Messages and chat related to your party",
		3050	},
		3051	"c/death" => {
		3052	id => "death",
		3053	title => "Death",
		3054	reply => undef,
		3055	tooltip => "Reason for and more info about your most recent death",
		3056	},
		3057	"c/say" => $SAY_CHANNEL,
		3058	"c/chat" => $CHAT_CHANNEL,
		3059	);
		3060
		3061	sub cf::client::send_msg {
		3062	my ($self, $channel, $msg, $color, @extra) = @_;
		3063
		3064	$msg = $self->pl->expand_cfpod ($msg)
		3065	unless $color & cf::NDI_VERBATIM;
		3066
		3067	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3068
		3069	# check predefined channels, for the benefit of C
		3070	if ($CHANNEL{$channel}) {
		3071	$channel = $CHANNEL{$channel};
		3072
		3073	$self->ext_msg (channel_info => $channel);
		3074	$channel = $channel->{id};
		3075
		3076	} elsif (ref $channel) {
		3077	# send meta info to client, if not yet sent
		3078	unless (exists $self->{channel}{$channel->{id}}) {
		3079	$self->{channel}{$channel->{id}} = $channel;
		3080	$self->ext_msg (channel_info => $channel);
		3081	}
		3082
		3083	$channel = $channel->{id};
		3084	}
		3085
		3086	return unless @extra || length $msg;
		3087
		3088	# default colour, mask it out
		3089	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3090	if $color & cf::NDI_DEF;
		3091
		3092	my $pkt = "msg "
		3093	. $self->{json_coder}->encode (
		3094	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3095	);
		3096
		3097	$self->send_big_packet ($pkt);
		3098	}
		3099
2058	=item $client->ext_event ($type, %msg)	3100	=item $client->ext_msg ($type, @msg)
2059		3101
2060	Sends an exti event to the client.	3102	Sends an ext event to the client.
2061		3103
2062	=cut	3104	=cut
2063		3105
2064	sub cf::client::ext_event($$%) {	3106	sub cf::client::ext_msg($$@) {
2065	my ($self, $type, %msg) = @_;	3107	my ($self, $type, @msg) = @_;
2066		3108
		3109	if ($self->extcmd == 2) {
		3110	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3111	} elsif ($self->extcmd == 1) { # TODO: remove
2067	$msg{msgtype} = "event_$type";	3112	push @msg, msgtype => "event_$type";
2068	$self->send_packet ("ext " . cf::to_json \%msg);	3113	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3114	}
		3115	}
		3116
		3117	=item $client->ext_reply ($msgid, @msg)
		3118
		3119	Sends an ext reply to the client.
		3120
		3121	=cut
		3122
		3123	sub cf::client::ext_reply($$@) {
		3124	my ($self, $id, @msg) = @_;
		3125
		3126	if ($self->extcmd == 2) {
		3127	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3128	} elsif ($self->extcmd == 1) {
		3129	#TODO: version 1, remove
		3130	unshift @msg, msgtype => "reply", msgid => $id;
		3131	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3132	}
2069	}	3133	}
2070		3134
2071	=item $success = $client->query ($flags, "text", \&cb)	3135	=item $success = $client->query ($flags, "text", \&cb)
2072		3136
2073	Queues a query to the client, calling the given callback with	3137	Queues a query to the client, calling the given callback with
2074	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3138	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2075	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3139	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2076		3140
2077	Queries can fail, so check the return code. Or don't, as queries will become	3141	Queries can fail, so check the return code. Or don't, as queries will
2078	reliable at some point in the future.	3142	become reliable at some point in the future.
2079		3143
2080	=cut	3144	=cut
2081		3145
2082	sub cf::client::query {	3146	sub cf::client::query {
2083	my ($self, $flags, $text, $cb) = @_;	3147	my ($self, $flags, $text, $cb) = @_;
…		…
2091	utf8::encode $text;	3155	utf8::encode $text;
2092	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3156	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2093		3157
2094	$self->send_packet ($self->{query_queue}[0][0])	3158	$self->send_packet ($self->{query_queue}[0][0])
2095	if @{ $self->{query_queue} } == 1;	3159	if @{ $self->{query_queue} } == 1;
		3160
		3161	1
2096	}	3162	}
2097		3163
2098	cf::client->attach (	3164	cf::client->attach (
		3165	on_connect => sub {
		3166	my ($ns) = @_;
		3167
		3168	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3169	},
2099	on_reply => sub {	3170	on_reply => sub {
2100	my ($ns, $msg) = @_;	3171	my ($ns, $msg) = @_;
2101		3172
2102	# this weird shuffling is so that direct followup queries	3173	# this weird shuffling is so that direct followup queries
2103	# get handled first	3174	# get handled first
…		…
2115	} else {	3186	} else {
2116	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3187	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2117	}	3188	}
2118	}	3189	}
2119	},	3190	},
		3191	on_exticmd => sub {
		3192	my ($ns, $buf) = @_;
		3193
		3194	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3195
		3196	if (ref $msg) {
		3197	my ($type, $reply, @payload) =
		3198	"ARRAY" eq ref $msg
		3199	? @$msg
		3200	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3201
		3202	my @reply;
		3203
		3204	if (my $cb = $EXTICMD{$type}) {
		3205	@reply = $cb->($ns, @payload);
		3206	}
		3207
		3208	$ns->ext_reply ($reply, @reply)
		3209	if $reply;
		3210
		3211	} else {
		3212	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3213	}
		3214
		3215	cf::override;
		3216	},
2120	);	3217	);
2121		3218
2122	=item $client->async (\&cb)	3219	=item $client->async (\&cb)
2123		3220
2124	Create a new coroutine, running the specified callback. The coroutine will	3221	Create a new coroutine, running the specified callback. The coroutine will
…		…
2140		3237
2141	$coro	3238	$coro
2142	}	3239	}
2143		3240
2144	cf::client->attach (	3241	cf::client->attach (
2145	on_destroy => sub {	3242	on_client_destroy => sub {
2146	my ($ns) = @_;	3243	my ($ns) = @_;
2147		3244
2148	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3245	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2149	},	3246	},
2150	);	3247	);
…		…
2165	our $safe = new Safe "safe";	3262	our $safe = new Safe "safe";
2166	our $safe_hole = new Safe::Hole;	3263	our $safe_hole = new Safe::Hole;
2167		3264
2168	$SIG{FPE} = 'IGNORE';	3265	$SIG{FPE} = 'IGNORE';
2169		3266
2170	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3267	$safe->permit_only (Opcode::opset qw(
		3268	:base_core :base_mem :base_orig :base_math :base_loop
		3269	grepstart grepwhile mapstart mapwhile
		3270	sort time
		3271	));
2171		3272
2172	# here we export the classes and methods available to script code	3273	# here we export the classes and methods available to script code
2173		3274
2174	=pod	3275	=pod
2175		3276
2176	The following functions and methods are available within a safe environment:	3277	The following functions and methods are available within a safe environment:
2177		3278
2178	cf::object contr pay_amount pay_player map	3279	cf::object
		3280	contr pay_amount pay_player map x y force_find force_add destroy
		3281	insert remove name archname title slaying race decrease split
		3282	value
		3283
2179	cf::object::player player	3284	cf::object::player
2180	cf::player peaceful	3285	player
2181	cf::map trigger	3286
		3287	cf::player
		3288	peaceful
		3289
		3290	cf::map
		3291	trigger
2182		3292
2183	=cut	3293	=cut
2184		3294
2185	for (	3295	for (
2186	["cf::object" => qw(contr pay_amount pay_player map)],	3296	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3297	insert remove inv nrof name archname title slaying race
		3298	decrease split destroy change_exp value msg lore send_msg)],
2187	["cf::object::player" => qw(player)],	3299	["cf::object::player" => qw(player)],
2188	["cf::player" => qw(peaceful)],	3300	["cf::player" => qw(peaceful send_msg)],
2189	["cf::map" => qw(trigger)],	3301	["cf::map" => qw(trigger)],
2190	) {	3302	) {
2191	no strict 'refs';
2192	my ($pkg, @funs) = @$_;	3303	my ($pkg, @funs) = @$_;
2193	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3304	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2194	for @funs;	3305	for @funs;
2195	}	3306	}
2196		3307
…		…
2211		3322
2212	my $qcode = $code;	3323	my $qcode = $code;
2213	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3324	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2214	$qcode =~ s/\n/\\n/g;	3325	$qcode =~ s/\n/\\n/g;
2215		3326
		3327	%vars = (_dummy => 0) unless %vars;
		3328
		3329	my @res;
2216	local $_;	3330	local $_;
2217	local @safe::cf::_safe_eval_args = values %vars;
2218		3331
2219	my $eval =	3332	my $eval =
2220	"do {\n"	3333	"do {\n"
2221	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3334	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2222	. "#line 0 \"{$qcode}\"\n"	3335	. "#line 0 \"{$qcode}\"\n"
2223	. $code	3336	. $code
2224	. "\n}"	3337	. "\n}"
2225	;	3338	;
2226		3339
		3340	if ($CFG{safe_eval}) {
2227	sub_generation_inc;	3341	sub_generation_inc;
		3342	local @safe::cf::_safe_eval_args = values %vars;
2228	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3343	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2229	sub_generation_inc;	3344	sub_generation_inc;
		3345	} else {
		3346	local @cf::_safe_eval_args = values %vars;
		3347	@res = wantarray ? eval eval : scalar eval $eval;
		3348	}
2230		3349
2231	if ($@) {	3350	if ($@) {
2232	warn "$@";	3351	warn "$@",
2233	warn "while executing safe code '$code'\n";	3352	"while executing safe code '$code'\n",
2234	warn "with arguments " . (join " ", %vars) . "\n";	3353	"with arguments " . (join " ", %vars) . "\n";
2235	}	3354	}
2236		3355
2237	wantarray ? @res : $res[0]	3356	wantarray ? @res : $res[0]
2238	}	3357	}
2239		3358
…		…
2253	=cut	3372	=cut
2254		3373
2255	sub register_script_function {	3374	sub register_script_function {
2256	my ($fun, $cb) = @_;	3375	my ($fun, $cb) = @_;
2257		3376
2258	no strict 'refs';	3377	$fun = "safe::$fun" if $CFG{safe_eval};
2259	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3378	*$fun = $safe_hole->wrap ($cb);
2260	}	3379	}
2261		3380
2262	=back	3381	=back
2263		3382
2264	=cut	3383	=cut
2265
2266	#############################################################################
2267
2268	=head2 EXTENSION DATABASE SUPPORT
2269
2270	Crossfire maintains a very simple database for extension use. It can
2271	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2272	convert to/from binary).
2273
2274	The parameter C<$family> should best start with the name of the extension
2275	using it, it should be unique.
2276
2277	=over 4
2278
2279	=item $value = cf::db_get $family => $key
2280
2281	Returns a single value from the database.
2282
2283	=item cf::db_put $family => $key => $value
2284
2285	Stores the given C<$value> in the family.
2286
2287	=cut
2288
2289	our $DB;
2290
2291	sub db_init {
2292	unless ($DB) {
2293	$DB = BDB::db_create $DB_ENV;
2294
2295	cf::sync_job {
2296	eval {
2297	$DB->set_flags (BDB::CHKSUM);
2298
2299	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2300	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2301	cf::cleanup "db_open(db): $!" if $!;
2302	};
2303	cf::cleanup "db_open(db): $@" if $@;
2304	};
2305	}
2306	}
2307
2308	sub db_get($$) {
2309	my $key = "$_[0]/$_[1]";
2310
2311	cf::sync_job {
2312	BDB::db_get $DB, undef, $key, my $data;
2313
2314	$! ? ()
2315	: $data
2316	}
2317	}
2318
2319	sub db_put($$$) {
2320	BDB::dbreq_pri 4;
2321	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2322	}
2323
2324	=item cf::cache $id => [$paths...], $processversion => $process
2325
2326	Generic caching function that returns the value of the resource $id,
2327	caching and regenerating as required.
2328
2329	This function can block.
2330
2331	=cut
2332
2333	sub cache {
2334	my ($id, $src, $processversion, $process) = @_;
2335
2336	my $meta =
2337	join "\x00",
2338	$processversion,
2339	map {
2340	aio_stat $_
2341	and Carp::croak "$_: $!";
2342
2343	($_, (stat _)[7,9])
2344	} @$src;
2345
2346	my $dbmeta = db_get cache => "$id/meta";
2347	if ($dbmeta ne $meta) {
2348	# changed, we may need to process
2349
2350	my @data;
2351	my $md5;
2352
2353	for (0 .. $#$src) {
2354	0 <= aio_load $src->[$_], $data[$_]
2355	or Carp::croak "$src->[$_]: $!";
2356	}
2357
2358	# if processing is expensive, check
2359	# checksum first
2360	if (1) {
2361	$md5 =
2362	join "\x00",
2363	$processversion,
2364	map {
2365	Coro::cede;
2366	($src->[$_], Digest::MD5::md5_hex $data[$_])
2367	} 0.. $#$src;
2368
2369
2370	my $dbmd5 = db_get cache => "$id/md5";
2371	if ($dbmd5 eq $md5) {
2372	db_put cache => "$id/meta", $meta;
2373
2374	return db_get cache => "$id/data";
2375	}
2376	}
2377
2378	my $data = $process->(\@data);
2379
2380	db_put cache => "$id/data", $data;
2381	db_put cache => "$id/md5" , $md5;
2382	db_put cache => "$id/meta", $meta;
2383
2384	return $data;
2385	}
2386
2387	db_get cache => "$id/data"
2388	}
2389
2390	=item fork_call { }, $args
2391
2392	Executes the given code block with the given arguments in a seperate
2393	process, returning the results. Everything must be serialisable with
2394	Coro::Storable. May, of course, block. Note that the executed sub may
2395	never block itself or use any form of Event handling.
2396
2397	=cut
2398
2399	sub fork_call(&@) {
2400	my ($cb, @args) = @_;
2401
2402	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2403	# or die "socketpair: $!";
2404	pipe my $fh1, my $fh2
2405	or die "pipe: $!";
2406
2407	if (my $pid = fork) {
2408	close $fh2;
2409
2410	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2411	$res = Coro::Storable::thaw $res;
2412
2413	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2414
2415	die $$res unless "ARRAY" eq ref $res;
2416
2417	return wantarray ? @$res : $res->[-1];
2418	} else {
2419	local $SIG{__WARN__};
2420	eval {
2421	local $SIG{__DIE__};
2422	close $fh1;
2423
2424	my @res = eval { $cb->(@args) };
2425	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2426	};
2427
2428	warn $@ if $@;
2429	_exit 0;
2430	}
2431	}
2432
2433
2434		3384
2435	#############################################################################	3385	#############################################################################
2436	# the server's init and main functions	3386	# the server's init and main functions
2437		3387
2438	sub load_facedata($) {	3388	sub load_facedata($) {
2439	my ($path) = @_;	3389	my ($path) = @_;
2440		3390
		3391	# HACK to clear player env face cache, we need some signal framework
		3392	# for this (global event?)
		3393	%ext::player_env::MUSIC_FACE_CACHE = ();
		3394
		3395	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3396
2441	warn "loading facedata from $path\n";	3397	trace "loading facedata from $path\n";
2442		3398
2443	my $facedata;
2444	0 < aio_load $path, $facedata	3399	0 < aio_load $path, my $facedata
2445	or die "$path: $!";	3400	or die "$path: $!";
2446		3401
2447	$facedata = Coro::Storable::thaw $facedata;	3402	$facedata = Coro::Storable::thaw $facedata;
2448		3403
2449	$facedata->{version} == 2	3404	$facedata->{version} == 2
2450	or cf::cleanup "$path: version mismatch, cannot proceed.";	3405	or cf::cleanup "$path: version mismatch, cannot proceed.";
2451		3406
		3407	# patch in the exptable
		3408	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3409	$facedata->{resource}{"res/exp_table"} = {
		3410	type => FT_RSRC,
		3411	data => $exp_table,
		3412	hash => (Digest::MD5::md5 $exp_table),
		3413	};
		3414	cf::cede_to_tick;
		3415
2452	{	3416	{
2453	my $faces = $facedata->{faceinfo};	3417	my $faces = $facedata->{faceinfo};
2454		3418
2455	while (my ($face, $info) = each %$faces) {	3419	while (my ($face, $info) = each %$faces) {
2456	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3420	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3421
2457	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3422	cf::face::set_visibility $idx, $info->{visibility};
		3423	cf::face::set_magicmap $idx, $info->{magicmap};
2458	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3424	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2459	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3425	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2460	Coro::cede;	3426
		3427	cf::cede_to_tick;
2461	}	3428	}
2462		3429
2463	while (my ($face, $info) = each %$faces) {	3430	while (my ($face, $info) = each %$faces) {
2464	next unless $info->{smooth};	3431	next unless $info->{smooth};
		3432
2465	my $idx = cf::face::find $face	3433	my $idx = cf::face::find $face
2466	or next;	3434	or next;
		3435
2467	if (my $smooth = cf::face::find $info->{smooth}) {	3436	if (my $smooth = cf::face::find $info->{smooth}) {
		3437	cf::face::set_smooth $idx, $smooth;
2468	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3438	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2469	} else {	3439	} else {
2470	warn "smooth face '$info->{smooth}' not found for face '$face'";	3440	error "smooth face '$info->{smooth}' not found for face '$face'";
2471	}	3441	}
2472	Coro::cede;	3442
		3443	cf::cede_to_tick;
2473	}	3444	}
2474	}	3445	}
2475		3446
2476	{	3447	{
2477	my $anims = $facedata->{animinfo};	3448	my $anims = $facedata->{animinfo};
2478		3449
2479	while (my ($anim, $info) = each %$anims) {	3450	while (my ($anim, $info) = each %$anims) {
2480	cf::anim::set $anim, $info->{frames}, $info->{facings};	3451	cf::anim::set $anim, $info->{frames}, $info->{facings};
2481	Coro::cede;	3452	cf::cede_to_tick;
2482	}	3453	}
2483		3454
2484	cf::anim::invalidate_all; # d'oh	3455	cf::anim::invalidate_all; # d'oh
2485	}	3456	}
2486		3457
		3458	{
		3459	my $res = $facedata->{resource};
		3460
		3461	while (my ($name, $info) = each %$res) {
		3462	if (defined $info->{type}) {
		3463	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3464
		3465	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3466	cf::face::set_type $idx, $info->{type};
		3467	} else {
		3468	$RESOURCE{$name} = $info; # unused
		3469	}
		3470
		3471	cf::cede_to_tick;
		3472	}
		3473	}
		3474
		3475	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3476
2487	1	3477	1
2488	}	3478	}
2489		3479
		3480	register_exticmd fx_want => sub {
		3481	my ($ns, $want) = @_;
		3482
		3483	while (my ($k, $v) = each %$want) {
		3484	$ns->fx_want ($k, $v);
		3485	}
		3486	};
		3487
		3488	sub load_resource_file($) {
		3489	my $guard = lock_acquire "load_resource_file";
		3490
		3491	my $status = load_resource_file_ $_[0];
		3492	get_slot 0.1, 100;
		3493	cf::arch::commit_load;
		3494
		3495	$status
		3496	}
		3497
		3498	sub reload_regions {
		3499	# HACK to clear player env face cache, we need some signal framework
		3500	# for this (global event?)
		3501	%ext::player_env::MUSIC_FACE_CACHE = ();
		3502
		3503	load_resource_file "$MAPDIR/regions"
		3504	or die "unable to load regions file\n";
		3505
		3506	for (cf::region::list) {
		3507	$_->{match} = qr/$_->{match}/
		3508	if exists $_->{match};
		3509	}
		3510	}
		3511
2490	sub reload_facedata {	3512	sub reload_facedata {
2491	load_facedata sprintf "%s/facedata", cf::datadir	3513	load_facedata "$DATADIR/facedata"
2492	or die "unable to load facedata\n";	3514	or die "unable to load facedata\n";
2493	}	3515	}
2494		3516
2495	sub reload_regions {
2496	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2497	or die "unable to load regions file\n";
2498	}
2499
2500	sub reload_archetypes {	3517	sub reload_archetypes {
2501	load_resource_file sprintf "%s/archetypes", cf::datadir	3518	load_resource_file "$DATADIR/archetypes"
2502	or die "unable to load archetypes\n";	3519	or die "unable to load archetypes\n";
2503	}	3520	}
2504		3521
2505	sub reload_treasures {	3522	sub reload_treasures {
2506	load_resource_file sprintf "%s/treasures", cf::datadir	3523	load_resource_file "$DATADIR/treasures"
2507	or die "unable to load treasurelists\n";	3524	or die "unable to load treasurelists\n";
2508	}	3525	}
2509		3526
		3527	sub reload_sound {
		3528	trace "loading sound config from $DATADIR/sound\n";
		3529
		3530	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3531	or die "$DATADIR/sound $!";
		3532
		3533	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3534
		3535	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3536	my $sound = $soundconf->{compat}[$_]
		3537	or next;
		3538
		3539	my $face = cf::face::find "sound/$sound->[1]";
		3540	cf::sound::set $sound->[0] => $face;
		3541	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3542	}
		3543
		3544	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3545	my $face = cf::face::find "sound/$v";
		3546	cf::sound::set $k => $face;
		3547	}
		3548	}
		3549
2510	sub reload_resources {	3550	sub reload_resources {
2511	warn "reloading resource files...\n";	3551	trace "reloading resource files...\n";
2512		3552
		3553	reload_exp_table;
		3554	reload_materials;
		3555	reload_facedata;
		3556	reload_sound;
		3557	reload_archetypes;
2513	reload_regions;	3558	reload_regions;
2514	reload_facedata;
2515	reload_archetypes;
2516	reload_treasures;	3559	reload_treasures;
2517		3560
2518	warn "finished reloading resource files\n";	3561	trace "finished reloading resource files\n";
2519	}	3562	}
2520		3563
2521	sub init {	3564	sub reload_config {
2522	reload_resources;	3565	trace "reloading config file...\n";
2523	}
2524		3566
2525	sub cfg_load {	3567	0 < aio_load "$CONFDIR/config", my $config
2526	open my $fh, "<:utf8", cf::confdir . "/config"	3568	or die "$CONFDIR/config: $!";
2527	or return;
2528		3569
2529	local $/;	3570	utf8::decode $config;
2530	*CFG = YAML::Syck::Load <$fh>;	3571	*CFG = yaml_load $config;
2531		3572
2532	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3573	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2533		3574
2534	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3575	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2535	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3576	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2536		3577
2537	if (exists $CFG{mlockall}) {	3578	if (exists $CFG{mlockall}) {
…		…
2541	};	3582	};
2542	warn $@ if $@;	3583	warn $@ if $@;
2543	}	3584	}
2544	}	3585	}
2545		3586
		3587	sub pidfile() {
		3588	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3589	or die "$PIDFILE: $!";
		3590	flock $fh, &Fcntl::LOCK_EX
		3591	or die "$PIDFILE: flock: $!";
		3592	$fh
		3593	}
		3594
		3595	# make sure only one server instance is running at any one time
		3596	sub atomic {
		3597	my $fh = pidfile;
		3598
		3599	my $pid = <$fh>;
		3600	kill 9, $pid if $pid > 0;
		3601
		3602	seek $fh, 0, 0;
		3603	print $fh $$;
		3604	}
		3605
		3606	sub main_loop {
		3607	trace "EV::loop starting\n";
		3608	if (1) {
		3609	EV::loop;
		3610	}
		3611	trace "EV::loop returned\n";
		3612	goto &main_loop unless $REALLY_UNLOOP;
		3613	}
		3614
2546	sub main {	3615	sub main {
		3616	cf::init_globals; # initialise logging
		3617
		3618	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3619	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3620	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3621	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3622
		3623	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3624
2547	# we must not ever block the main coroutine	3625	# we must not ever block the main coroutine
2548	local $Coro::idle = sub {	3626	local $Coro::idle = sub {
2549	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3627	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2550	(async {	3628	(async {
2551	Event::one_event;	3629	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3630	EV::loop EV::LOOP_ONESHOT;
2552	})->prio (Coro::PRIO_MAX);	3631	})->prio (Coro::PRIO_MAX);
2553	};	3632	};
2554		3633
2555	cfg_load;	3634	evthread_start IO::AIO::poll_fileno;
		3635
		3636	cf::sync_job {
		3637	cf::incloader::init ();
		3638
		3639	cf::init_anim;
		3640	cf::init_attackmess;
		3641	cf::init_dynamic;
		3642
		3643	cf::load_settings;
		3644
		3645	reload_resources;
		3646	reload_config;
2556	db_init;	3647	db_init;
		3648
		3649	cf::init_uuid;
		3650	cf::init_signals;
		3651	cf::init_skills;
		3652
		3653	cf::init_beforeplay;
		3654
		3655	atomic;
		3656
2557	load_extensions;	3657	load_extensions;
2558		3658
2559	$TICK_WATCHER->start;	3659	utime time, time, $RUNTIMEFILE;
2560	Event::loop;	3660
		3661	# no (long-running) fork's whatsoever before this point(!)
		3662	use POSIX ();
		3663	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3664
		3665	(pop @POST_INIT)->(0) while @POST_INIT;
		3666	};
		3667
		3668	cf::object::thawer::errors_are_fatal 0;
		3669	info "parse errors in files are no longer fatal from this point on.\n";
		3670
		3671	my $free_main; $free_main = EV::idle sub {
		3672	undef $free_main;
		3673	undef &main; # free gobs of memory :)
		3674	};
		3675
		3676	goto &main_loop;
2561	}	3677	}
2562		3678
2563	#############################################################################	3679	#############################################################################
2564	# initialisation and cleanup	3680	# initialisation and cleanup
2565		3681
2566	# install some emergency cleanup handlers	3682	# install some emergency cleanup handlers
2567	BEGIN {	3683	BEGIN {
		3684	our %SIGWATCHER = ();
2568	for my $signal (qw(INT HUP TERM)) {	3685	for my $signal (qw(INT HUP TERM)) {
2569	Event->signal (	3686	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2570	reentrant => 0,
2571	data => WF_AUTOCANCEL,
2572	signal => $signal,
2573	prio => 0,
2574	cb => sub {
2575	cf::cleanup "SIG$signal";	3687	cf::cleanup "SIG$signal";
2576	},
2577	);	3688	};
		3689	}
		3690	}
		3691
		3692	sub write_runtime_sync {
		3693	my $t0 = AE::time;
		3694
		3695	# first touch the runtime file to show we are still running:
		3696	# the fsync below can take a very very long time.
		3697
		3698	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3699
		3700	my $guard = cf::lock_acquire "write_runtime";
		3701
		3702	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3703	or return;
		3704
		3705	my $value = $cf::RUNTIME + 90 + 10;
		3706	# 10 is the runtime save interval, for a monotonic clock
		3707	# 60 allows for the watchdog to kill the server.
		3708
		3709	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3710	and return;
		3711
		3712	# always fsync - this file is important
		3713	aio_fsync $fh
		3714	and return;
		3715
		3716	# touch it again to show we are up-to-date
		3717	aio_utime $fh, undef, undef;
		3718
		3719	close $fh
		3720	or return;
		3721
		3722	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3723	and return;
		3724
		3725	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3726
2578	}	3727	1
		3728	}
		3729
		3730	our $uuid_lock;
		3731	our $uuid_skip;
		3732
		3733	sub write_uuid_sync($) {
		3734	$uuid_skip ||= $_[0];
		3735
		3736	return if $uuid_lock;
		3737	local $uuid_lock = 1;
		3738
		3739	my $uuid = "$LOCALDIR/uuid";
		3740
		3741	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3742	or return;
		3743
		3744	my $value = uuid_seq uuid_cur;
		3745
		3746	unless ($value) {
		3747	info "cowardly refusing to write zero uuid value!\n";
		3748	return;
		3749	}
		3750
		3751	my $value = uuid_str $value + $uuid_skip;
		3752	$uuid_skip = 0;
		3753
		3754	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3755	and return;
		3756
		3757	# always fsync - this file is important
		3758	aio_fsync $fh
		3759	and return;
		3760
		3761	close $fh
		3762	or return;
		3763
		3764	aio_rename "$uuid~", $uuid
		3765	and return;
		3766
		3767	trace "uuid file written ($value).\n";
		3768
		3769	1
		3770
		3771	}
		3772
		3773	sub write_uuid($$) {
		3774	my ($skip, $sync) = @_;
		3775
		3776	$sync ? write_uuid_sync $skip
		3777	: async { write_uuid_sync $skip };
2579	}	3778	}
2580		3779
2581	sub emergency_save() {	3780	sub emergency_save() {
2582	my $freeze_guard = cf::freeze_mainloop;	3781	my $freeze_guard = cf::freeze_mainloop;
2583		3782
2584	warn "enter emergency perl save\n";	3783	info "emergency_perl_save: enter\n";
		3784
		3785	# this is a trade-off: we want to be very quick here, so
		3786	# save all maps without fsync, and later call a global sync
		3787	# (which in turn might be very very slow)
		3788	local $USE_FSYNC = 0;
2585		3789
2586	cf::sync_job {	3790	cf::sync_job {
		3791	cf::write_runtime_sync; # external watchdog should not bark
		3792
2587	# use a peculiar iteration method to avoid tripping on perl	3793	# use a peculiar iteration method to avoid tripping on perl
2588	# refcount bugs in for. also avoids problems with players	3794	# refcount bugs in for. also avoids problems with players
2589	# and maps saved/destroyed asynchronously.	3795	# and maps saved/destroyed asynchronously.
2590	warn "begin emergency player save\n";	3796	info "emergency_perl_save: begin player save\n";
2591	for my $login (keys %cf::PLAYER) {	3797	for my $login (keys %cf::PLAYER) {
2592	my $pl = $cf::PLAYER{$login} or next;	3798	my $pl = $cf::PLAYER{$login} or next;
2593	$pl->valid or next;	3799	$pl->valid or next;
		3800	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2594	$pl->save;	3801	$pl->save;
2595	}	3802	}
2596	warn "end emergency player save\n";	3803	info "emergency_perl_save: end player save\n";
2597		3804
2598	warn "begin emergency map save\n";	3805	cf::write_runtime_sync; # external watchdog should not bark
		3806
		3807	info "emergency_perl_save: begin map save\n";
2599	for my $path (keys %cf::MAP) {	3808	for my $path (keys %cf::MAP) {
2600	my $map = $cf::MAP{$path} or next;	3809	my $map = $cf::MAP{$path} or next;
2601	$map->valid or next;	3810	$map->valid or next;
2602	$map->save;	3811	$map->save;
2603	}	3812	}
2604	warn "end emergency map save\n";	3813	info "emergency_perl_save: end map save\n";
2605		3814
2606	warn "begin emergency database checkpoint\n";	3815	cf::write_runtime_sync; # external watchdog should not bark
		3816
		3817	info "emergency_perl_save: begin database checkpoint\n";
2607	BDB::db_env_txn_checkpoint $DB_ENV;	3818	BDB::db_env_txn_checkpoint $DB_ENV;
2608	warn "end emergency database checkpoint\n";	3819	info "emergency_perl_save: end database checkpoint\n";
		3820
		3821	info "emergency_perl_save: begin write uuid\n";
		3822	write_uuid_sync 1;
		3823	info "emergency_perl_save: end write uuid\n";
		3824
		3825	cf::write_runtime_sync; # external watchdog should not bark
		3826
		3827	trace "emergency_perl_save: syncing database to disk";
		3828	BDB::db_env_txn_checkpoint $DB_ENV;
		3829
		3830	info "emergency_perl_save: starting sync\n";
		3831	IO::AIO::aio_sync sub {
		3832	info "emergency_perl_save: finished sync\n";
		3833	};
		3834
		3835	cf::write_runtime_sync; # external watchdog should not bark
		3836
		3837	trace "emergency_perl_save: flushing outstanding aio requests";
		3838	while (IO::AIO::nreqs || BDB::nreqs) {
		3839	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3840	}
		3841
		3842	cf::write_runtime_sync; # external watchdog should not bark
2609	};	3843	};
2610		3844
2611	warn "leave emergency perl save\n";	3845	info "emergency_perl_save: leave\n";
2612	}	3846	}
2613		3847
2614	sub post_cleanup {	3848	sub post_cleanup {
2615	my ($make_core) = @_;	3849	my ($make_core) = @_;
2616		3850
		3851	IO::AIO::flush;
		3852
2617	warn Carp::longmess "post_cleanup backtrace"	3853	error Carp::longmess "post_cleanup backtrace"
2618	if $make_core;	3854	if $make_core;
		3855
		3856	my $fh = pidfile;
		3857	unlink $PIDFILE if <$fh> == $$;
		3858	}
		3859
		3860	# a safer delete_package, copied from Symbol
		3861	sub clear_package($) {
		3862	my $pkg = shift;
		3863
		3864	# expand to full symbol table name if needed
		3865	unless ($pkg =~ /^main::.*::$/) {
		3866	$pkg = "main$pkg" if $pkg =~ /^::/;
		3867	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3868	$pkg .= '::' unless $pkg =~ /::$/;
		3869	}
		3870
		3871	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3872	my $stem_symtab = *{$stem}{HASH};
		3873
		3874	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3875	or return;
		3876
		3877	# clear all symbols
		3878	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3879	for my $name (keys %$leaf_symtab) {
		3880	_gv_clear *{"$pkg$name"};
		3881	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3882	}
2619	}	3883	}
2620		3884
2621	sub do_reload_perl() {	3885	sub do_reload_perl() {
2622	# can/must only be called in main	3886	# can/must only be called in main
2623	if ($Coro::current != $Coro::main) {	3887	unless (in_main) {
2624	warn "can only reload from main coroutine";	3888	error "can only reload from main coroutine";
2625	return;	3889	return;
2626	}	3890	}
2627		3891
		3892	return if $RELOAD++;
		3893
		3894	my $t1 = AE::time;
		3895
		3896	while ($RELOAD) {
		3897	cf::get_slot 0.1, -1, "reload_perl";
2628	warn "reloading...";	3898	info "reloading...";
2629		3899
2630	warn "entering sync_job";	3900	trace "entering sync_job";
2631		3901
2632	cf::sync_job {	3902	cf::sync_job {
2633	cf::write_runtime; # external watchdog should not bark
2634	cf::emergency_save;	3903	#cf::emergency_save;
2635	cf::write_runtime; # external watchdog should not bark
2636		3904
2637	warn "syncing database to disk";
2638	BDB::db_env_txn_checkpoint $DB_ENV;
2639
2640	# if anything goes wrong in here, we should simply crash as we already saved
2641
2642	warn "cancelling all WF_AUTOCANCEL watchers";
2643	for (Event::all_watchers) {
2644	$_->cancel if $_->data & WF_AUTOCANCEL;
2645	}
2646
2647	warn "flushing outstanding aio requests";
2648	for (;;) {
2649	BDB::flush;
2650	IO::AIO::flush;
2651	Coro::cede;
2652	last unless IO::AIO::nreqs || BDB::nreqs;
2653	warn "iterate...";
2654	}
2655
2656	++$RELOAD;
2657
2658	warn "cancelling all extension coros";	3905	trace "cancelling all extension coros";
2659	$_->cancel for values %EXT_CORO;	3906	$_->cancel for values %EXT_CORO;
2660	%EXT_CORO = ();	3907	%EXT_CORO = ();
2661		3908
2662	warn "removing commands";	3909	trace "removing commands";
2663	%COMMAND = ();	3910	%COMMAND = ();
2664		3911
2665	warn "removing ext commands";	3912	trace "removing ext/exti commands";
2666	%EXTCMD = ();	3913	%EXTCMD = ();
		3914	%EXTICMD = ();
2667		3915
2668	warn "unloading/nuking all extensions";	3916	trace "unloading/nuking all extensions";
2669	for my $pkg (@EXTS) {	3917	for my $pkg (@EXTS) {
2670	warn "... unloading $pkg";	3918	trace "... unloading $pkg";
2671		3919
2672	if (my $cb = $pkg->can ("unload")) {	3920	if (my $cb = $pkg->can ("unload")) {
2673	eval {	3921	eval {
2674	$cb->($pkg);	3922	$cb->($pkg);
2675	1	3923	1
2676	} or warn "$pkg unloaded, but with errors: $@";	3924	} or error "$pkg unloaded, but with errors: $@";
		3925	}
		3926
		3927	trace "... clearing $pkg";
		3928	clear_package $pkg;
2677	}	3929	}
2678		3930
2679	warn "... nuking $pkg";
2680	Symbol::delete_package $pkg;
2681	}
2682
2683	warn "unloading all perl modules loaded from $LIBDIR";	3931	trace "unloading all perl modules loaded from $LIBDIR";
2684	while (my ($k, $v) = each %INC) {	3932	while (my ($k, $v) = each %INC) {
2685	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3933	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2686		3934
2687	warn "... unloading $k";	3935	trace "... unloading $k";
2688	delete $INC{$k};	3936	delete $INC{$k};
2689		3937
2690	$k =~ s/\.pm$//;	3938	$k =~ s/\.pm$//;
2691	$k =~ s/\//::/g;	3939	$k =~ s/\//::/g;
2692		3940
2693	if (my $cb = $k->can ("unload_module")) {	3941	if (my $cb = $k->can ("unload_module")) {
2694	$cb->();	3942	$cb->();
		3943	}
		3944
		3945	clear_package $k;
2695	}	3946	}
2696		3947
2697	Symbol::delete_package $k;
2698	}
2699
2700	warn "getting rid of safe::, as good as possible";	3948	trace "getting rid of safe::, as good as possible";
2701	Symbol::delete_package "safe::$_"	3949	clear_package "safe::$_"
2702	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3950	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2703		3951
2704	warn "unloading cf.pm \"a bit\"";	3952	trace "unloading cf.pm \"a bit\"";
2705	delete $INC{"cf.pm"};	3953	delete $INC{"cf.pm"};
		3954	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2706		3955
2707	# don't, removes xs symbols, too,	3956	# don't, removes xs symbols, too,
2708	# and global variables created in xs	3957	# and global variables created in xs
2709	#Symbol::delete_package __PACKAGE__;	3958	#clear_package __PACKAGE__;
2710		3959
2711	warn "unload completed, starting to reload now";	3960	info "unload completed, starting to reload now";
2712		3961
2713	warn "reloading cf.pm";	3962	trace "reloading cf.pm";
2714	require cf;	3963	require cf;
2715	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3964	cf::_connect_to_perl_1;
2716		3965
2717	warn "loading config and database again";	3966	trace "loading config and database again";
2718	cf::cfg_load;	3967	cf::reload_config;
2719		3968
2720	warn "loading extensions";	3969	trace "loading extensions";
2721	cf::load_extensions;	3970	cf::load_extensions;
2722		3971
		3972	if ($REATTACH_ON_RELOAD) {
2723	warn "reattaching attachments to objects/players";	3973	trace "reattaching attachments to objects/players";
2724	_global_reattach; # objects, sockets	3974	_global_reattach; # objects, sockets
2725	warn "reattaching attachments to maps";	3975	trace "reattaching attachments to maps";
2726	reattach $_ for values %MAP;	3976	reattach $_ for values %MAP;
2727	warn "reattaching attachments to players";	3977	trace "reattaching attachments to players";
2728	reattach $_ for values %PLAYER;	3978	reattach $_ for values %PLAYER;
		3979	}
2729		3980
		3981	trace "running post_init jobs";
		3982	(pop @POST_INIT)->(1) while @POST_INIT;
		3983
2730	warn "leaving sync_job";	3984	trace "leaving sync_job";
2731		3985
2732	1	3986	1
2733	} or do {	3987	} or do {
2734	warn $@;	3988	error $@;
2735	warn "error while reloading, exiting.";	3989	cf::cleanup "error while reloading, exiting.";
2736	exit 1;	3990	};
		3991
		3992	info "reloaded";
		3993	--$RELOAD;
2737	};	3994	}
2738		3995
2739	warn "reloaded";	3996	$t1 = AE::time - $t1;
		3997	info "reload completed in ${t1}s\n";
2740	};	3998	};
2741		3999
2742	our $RELOAD_WATCHER; # used only during reload	4000	our $RELOAD_WATCHER; # used only during reload
2743		4001
2744	sub reload_perl() {	4002	sub reload_perl() {
2745	# doing reload synchronously and two reloads happen back-to-back,	4003	# doing reload synchronously and two reloads happen back-to-back,
2746	# coro crashes during coro_state_free->destroy here.	4004	# coro crashes during coro_state_free->destroy here.
2747		4005
2748	$RELOAD_WATCHER ||= Event->timer (	4006	$RELOAD_WATCHER ||= cf::async {
2749	reentrant => 0,	4007	Coro::AIO::aio_wait cache_extensions;
2750	after => 0,	4008
2751	data => WF_AUTOCANCEL,	4009	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2752	cb => sub {
2753	do_reload_perl;	4010	do_reload_perl;
2754	undef $RELOAD_WATCHER;	4011	undef $RELOAD_WATCHER;
2755	},	4012	};
2756	);	4013	};
2757	}	4014	}
2758		4015
2759	register_command "reload" => sub {	4016	register_command "reload" => sub {
2760	my ($who, $arg) = @_;	4017	my ($who, $arg) = @_;
2761		4018
2762	if ($who->flag (FLAG_WIZ)) {	4019	if ($who->flag (FLAG_WIZ)) {
2763	$who->message ("reloading server.");	4020	$who->message ("reloading server.");
		4021	async {
		4022	$Coro::current->{desc} = "perl_reload";
2764	async { reload_perl };	4023	reload_perl;
		4024	};
2765	}	4025	}
2766	};	4026	};
2767		4027
2768	unshift @INC, $LIBDIR;	4028	#############################################################################
2769		4029
2770	my $bug_warning = 0;	4030	my $bug_warning = 0;
2771		4031
2772	our @WAIT_FOR_TICK;	4032	our @WAIT_FOR_TICK;
2773	our @WAIT_FOR_TICK_BEGIN;	4033	our @WAIT_FOR_TICK_BEGIN;
2774		4034
2775	sub wait_for_tick {	4035	sub wait_for_tick() {
2776	return unless $TICK_WATCHER->is_active;
2777	return if $Coro::current == $Coro::main;	4036	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2778		4037
2779	my $signal = new Coro::Signal;	4038	my $signal = new Coro::Signal;
2780	push @WAIT_FOR_TICK, $signal;	4039	push @WAIT_FOR_TICK, $signal;
2781	$signal->wait;	4040	$signal->wait;
2782	}	4041	}
2783		4042
2784	sub wait_for_tick_begin {	4043	sub wait_for_tick_begin() {
2785	return unless $TICK_WATCHER->is_active;
2786	return if $Coro::current == $Coro::main;	4044	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2787		4045
2788	my $signal = new Coro::Signal;	4046	my $signal = new Coro::Signal;
2789	push @WAIT_FOR_TICK_BEGIN, $signal;	4047	push @WAIT_FOR_TICK_BEGIN, $signal;
2790	$signal->wait;	4048	$signal->wait;
2791	}	4049	}
2792		4050
2793	$TICK_WATCHER = Event->timer (	4051	sub tick {
2794	reentrant => 0,
2795	parked => 1,
2796	prio => 0,
2797	at => $NEXT_TICK || $TICK,
2798	data => WF_AUTOCANCEL,
2799	cb => sub {
2800	if ($Coro::current != $Coro::main) {	4052	if ($Coro::current != $Coro::main) {
2801	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4053	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2802	unless ++$bug_warning > 10;	4054	unless ++$bug_warning > 10;
2803	return;	4055	return;
2804	}	4056	}
2805		4057
2806	$NOW = Event::time;
2807
2808	cf::server_tick; # one server iteration	4058	cf::server_tick; # one server iteration
2809		4059
2810	$RUNTIME += $TICK;	4060	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2811	$NEXT_TICK += $TICK;
2812		4061
2813	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4062	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2814	$NEXT_RUNTIME_WRITE = $NOW + 10;	4063	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2815	Coro::async_pool {	4064	Coro::async_pool {
		4065	$Coro::current->{desc} = "runtime saver";
2816	write_runtime	4066	write_runtime_sync
2817	or warn "ERROR: unable to write runtime file: $!";	4067	or error "ERROR: unable to write runtime file: $!";
2818	};
2819	}	4068	};
		4069	}
2820		4070
2821	# my $AFTER = Event::time;
2822	# warn $AFTER - $NOW;#d#
2823
2824	# if we are delayed by four ticks or more, skip them all
2825	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2826
2827	$TICK_WATCHER->at ($NEXT_TICK);
2828	$TICK_WATCHER->start;
2829
2830	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4071	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2831	$sig->send;	4072	$sig->send;
2832	}	4073	}
2833	while (my $sig = shift @WAIT_FOR_TICK) {	4074	while (my $sig = shift @WAIT_FOR_TICK) {
2834	$sig->send;	4075	$sig->send;
2835	}
2836
2837	_post_tick;
2838	},	4076	}
2839	);	4077
		4078	$LOAD = ($NOW - $TICK_START) / $TICK;
		4079	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4080
		4081	if (0) {
		4082	if ($NEXT_TICK) {
		4083	my $jitter = $TICK_START - $NEXT_TICK;
		4084	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4085	debug "jitter $JITTER\n";#d#
		4086	}
		4087	}
		4088	}
2840		4089
2841	{	4090	{
2842	BDB::max_poll_time $TICK * 0.1;	4091	# configure BDB
2843	$BDB_POLL_WATCHER = Event->io (	4092
2844	reentrant => 0,
2845	fd => BDB::poll_fileno,
2846	poll => 'r',
2847	prio => 0,
2848	data => WF_AUTOCANCEL,
2849	cb => \&BDB::poll_cb,
2850	);
2851	BDB::min_parallel 8;	4093	BDB::min_parallel 16;
2852		4094	BDB::max_poll_reqs $TICK * 0.1;
2853	BDB::set_sync_prepare {	4095	$AnyEvent::BDB::WATCHER->priority (1);
2854	my $status;
2855	my $current = $Coro::current;
2856	(
2857	sub {
2858	$status = $!;
2859	$current->ready; undef $current;
2860	},
2861	sub {
2862	Coro::schedule while defined $current;
2863	$! = $status;
2864	},
2865	)
2866	};
2867		4096
2868	unless ($DB_ENV) {	4097	unless ($DB_ENV) {
2869	$DB_ENV = BDB::db_env_create;	4098	$DB_ENV = BDB::db_env_create;
		4099	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4100	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4101	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4102	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4103	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2870		4104
2871	cf::sync_job {	4105	cf::sync_job {
2872	eval {	4106	eval {
2873	BDB::db_env_open	4107	BDB::db_env_open
2874	$DB_ENV,	4108	$DB_ENV,
2875	$BDB_ENV_DIR,	4109	$BDBDIR,
2876	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4110	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2877	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4111	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2878	0666;	4112	0666;
2879		4113
2880	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4114	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2881
2882	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2883	$DB_ENV->set_lk_detect;
2884	};	4115	};
2885		4116
2886	cf::cleanup "db_env_open(db): $@" if $@;	4117	cf::cleanup "db_env_open(db): $@" if $@;
2887	};	4118	};
2888	}	4119	}
		4120
		4121	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4122	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4123	};
		4124	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4125	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4126	};
		4127	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4128	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4129	};
2889	}	4130	}
2890		4131
2891	{	4132	{
		4133	# configure IO::AIO
		4134
2892	IO::AIO::min_parallel 8;	4135	IO::AIO::min_parallel 8;
2893
2894	undef $Coro::AIO::WATCHER;
2895	IO::AIO::max_poll_time $TICK * 0.1;	4136	IO::AIO::max_poll_time $TICK * 0.1;
2896	$AIO_POLL_WATCHER = Event->io (	4137	undef $AnyEvent::AIO::WATCHER;
2897	reentrant => 0,	4138	}
2898	data => WF_AUTOCANCEL,	4139
2899	fd => IO::AIO::poll_fileno,	4140	my $_log_backtrace;
2900	poll => 'r',	4141
2901	prio => 6,	4142	sub _log_backtrace {
2902	cb => \&IO::AIO::poll_cb,	4143	my ($msg, @addr) = @_;
2903	);	4144
		4145	$msg =~ s/\n//;
		4146
		4147	# limit the # of concurrent backtraces
		4148	if ($_log_backtrace < 2) {
		4149	++$_log_backtrace;
		4150	my $perl_bt = Carp::longmess $msg;
		4151	async {
		4152	$Coro::current->{desc} = "abt $msg";
		4153
		4154	my @bt = fork_call {
		4155	@addr = map { sprintf "%x", $_ } @addr;
		4156	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4157	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4158	or die "addr2line: $!";
		4159
		4160	my @funcs;
		4161	my @res = <$fh>;
		4162	chomp for @res;
		4163	while (@res) {
		4164	my ($func, $line) = splice @res, 0, 2, ();
		4165	push @funcs, "[$func] $line";
		4166	}
		4167
		4168	@funcs
		4169	};
		4170
		4171	LOG llevInfo, "[ABT] $perl_bt\n";
		4172	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4173	LOG llevInfo, "[ABT] $_\n" for @bt;
		4174	--$_log_backtrace;
		4175	};
		4176	} else {
		4177	LOG llevInfo, "[ABT] $msg\n";
		4178	LOG llevInfo, "[ABT] [suppressed]\n";
		4179	}
2904	}	4180	}
2905		4181
2906	# load additional modules	4182	# load additional modules
2907	use cf::pod;	4183	require "cf/$_.pm" for @EXTRA_MODULES;
		4184	cf::_connect_to_perl_2;
2908		4185
2909	END { cf::emergency_save }	4186	END { cf::emergency_save }
2910		4187
2911	1	4188	1
2912		4189

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