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Revision 1.240 by root, Mon Apr 16 10:14:25 2007 UTC vs.
Revision 1.559 by root, Sat Feb 26 12:50:27 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
9	use Event;	30	use EV;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
13		36
		37	use Guard ();
14	use Coro 3.52 ();	38	use Coro ();
15	use Coro::State;	39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
16	use Coro::Event;	42	use Coro::AnyEvent;
17	use Coro::Timer;	43	use Coro::Timer;
18	use Coro::Signal;	44	use Coro::Signal;
19	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
20	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
21	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
22		52
		53	use JSON::XS 2.01 ();
23	use BDB ();	54	use BDB ();
24	use Data::Dumper;	55	use Data::Dumper;
25	use Digest::MD5;
26	use Fcntl;	56	use Fcntl;
27	use YAML::Syck ();	57	use YAML::XS ();
28	use IO::AIO 2.32 ();	58	use IO::AIO ();
29	use Time::HiRes;	59	use Time::HiRes;
30	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
31		64
32	# configure various modules to our taste	65	# configure various modules to our taste
33	#	66	#
34	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
36	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
37		75
38	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
39		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
41	$YAML::Syck::ImplicitUnicode = 1;
42
43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
44		78
45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
46		82
47	our %COMMAND = ();	83	our %COMMAND = ();
48	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
49		85
50	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
54		91
55	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
56	our @EVENT;	93	our @EVENT;
57	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
58		96
59	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
60	our $TICK_WATCHER;	98
61	our $AIO_POLL_WATCHER;	99	our $DATADIR = datadir;
		100	our $LIBDIR = "$DATADIR/ext";
		101	our $PODDIR = "$DATADIR/pod";
		102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
		104	our $LOCALDIR = localdir;
		105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		108	our $RANDOMDIR = "$LOCALDIR/random";
		109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
		120
		121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	123	our $NEXT_TICK;
64	our $NOW;
65	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
66		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
67	our $BDB_POLL_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
68	our $DB_ENV;	129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
69		132
70	our %CFG;	133	our %CFG;
71		134
72	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
73	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
74		138
75	our %PLAYER; # all users	139	our (%PLAYER, %PLAYER_LOADING); # all users
76	our %MAP; # all maps	140	our (%MAP, %MAP_LOADING ); # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	141	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80		142
81	# used to convert map paths into valid unix filenames by replacing / by ∕	143	# used to convert map paths into valid unix filenames by replacing / by ∕
82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	144	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
83		145
		146	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		147	our $LOADAVG; # same thing, but with alpha-smoothing
		148	our $JITTER; # average jitter
		149	our $TICK_START; # for load detecting purposes
		150
		151	our @POST_INIT;
		152
		153	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		154	our $REALLY_UNLOOP; # never set to true, please :)
		155
84	binmode STDOUT;	156	binmode STDOUT;
85	binmode STDERR;	157	binmode STDERR;
86		158
87	# read virtual server time, if available	159	# read virtual server time, if available
88	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
89	open my $fh, "<", cf::localdir . "/runtime"	161	open my $fh, "<", $RUNTIMEFILE
90	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
91	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
92	}	164	}
93		165
94	mkdir cf::localdir;	166	eval "sub TICK() { $TICK } 1" or die;
95	mkdir cf::localdir . "/" . cf::playerdir;	167
96	mkdir cf::localdir . "/" . cf::tmpdir;	168	mkdir $_
97	mkdir cf::localdir . "/" . cf::uniquedir;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
98	mkdir $RANDOM_MAPS;
99	mkdir $BDB_ENV_DIR;
100		170
101	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
102		172
103	sub cf::map::normalise;	173	sub cf::map::normalise;
		174
		175	sub in_main() {
		176	$Coro::current == $Coro::main
		177	}
		178
		179	#############################################################################
		180
		181	%REFLECT = ();
		182	for (@REFLECT) {
		183	my $reflect = JSON::XS::decode_json $_;
		184	$REFLECT{$reflect->{class}} = $reflect;
		185	}
		186
		187	# this is decidedly evil
		188	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
104		189
105	#############################################################################	190	#############################################################################
106		191
107	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
108		193
…		…
115	=item $cf::RUNTIME	200	=item $cf::RUNTIME
116		201
117	The time this server has run, starts at 0 and is increased by $cf::TICK on	202	The time this server has run, starts at 0 and is increased by $cf::TICK on
118	every server tick.	203	every server tick.
119		204
120	=item $cf::LIBDIR	205	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		206	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		207	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
121		208
122	The perl library directory, where extensions and cf-specific modules can	209	Various directories - "/etc", read-only install directory, perl-library
123	be found. It will be added to C<@INC> automatically.	210	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		211	unique-items directory, player file directory, random maps directory and
		212	database environment.
124		213
125	=item $cf::NOW	214	=item $cf::NOW
126		215
127	The time of the last (current) server tick.	216	The time of the last (current) server tick.
128		217
129	=item $cf::TICK	218	=item $cf::TICK
130		219
131	The interval between server ticks, in seconds.	220	The interval between server ticks, in seconds.
132		221
		222	=item $cf::LOADAVG
		223
		224	The current CPU load on the server (alpha-smoothed), as a value between 0
		225	(none) and 1 (overloaded), indicating how much time is spent on processing
		226	objects per tick. Healthy values are < 0.5.
		227
		228	=item $cf::LOAD
		229
		230	The raw value load value from the last tick.
		231
133	=item %cf::CFG	232	=item %cf::CFG
134		233
135	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
136	from wherever your confdir points to.	235	from wherever your confdir points to.
137		236
138	=item cf::wait_for_tick, cf::wait_for_tick_begin	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
139		238
140	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	239	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
141	returns directly I<after> the tick processing (and consequently, can only wake one process	240	returns directly I<after> the tick processing (and consequently, can only wake one thread
142	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	241	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
143		242
		243	=cut
		244
		245	sub wait_for_tick();
		246	sub wait_for_tick_begin();
		247
		248	=item @cf::INVOKE_RESULTS
		249
		250	This array contains the results of the last C<invoke ()> call. When
		251	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		252	that call.
		253
		254	=item %cf::REFLECT
		255
		256	Contains, for each (C++) class name, a hash reference with information
		257	about object members (methods, scalars, arrays and flags) and other
		258	metadata, which is useful for introspection.
		259
144	=back	260	=back
145		261
146	=cut	262	=cut
147		263
148	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
149	*CORE::GLOBAL::warn = sub {	265	sub warn (@) { LOG llevWarn , join "", @_ }
		266	sub info (@) { LOG llevInfo , join "", @_ }
		267	sub debug(@) { LOG llevDebug, join "", @_ }
		268	sub trace(@) { LOG llevTrace, join "", @_ }
		269
		270	$Coro::State::WARNHOOK = sub {
150	my $msg = join "", @_;	271	my $msg = join "", @_;
151	utf8::encode $msg;
152		272
153	$msg .= "\n"	273	$msg .= "\n"
154	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
155		275
		276	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		277
156	LOG llevError, $msg;	278	LOG llevWarn, $msg;
157	};	279	};
158	}	280
		281	$Coro::State::DIEHOOK = sub {
		282	return unless $^S eq 0; # "eq", not "=="
		283
		284	error Carp::longmess $_[0];
		285
		286	if (in_main) {#d#
		287	error "DIEHOOK called in main context, Coro bug?\n";#d#
		288	return;#d#
		289	}#d#
		290
		291	# kill coroutine otherwise
		292	Coro::terminate
		293	};
159		294
160	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
161	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
162	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
163	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
164	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	299	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		300	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
165	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	301	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
166		302
167	# we bless all objects into (empty) derived classes to force a method lookup	303	# we bless all objects into (empty) derived classes to force a method lookup
168	# within the Safe compartment.	304	# within the Safe compartment.
169	for my $pkg (qw(	305	for my $pkg (qw(
170	cf::global cf::attachable	306	cf::global cf::attachable
171	cf::object cf::object::player	307	cf::object cf::object::player
172	cf::client cf::player	308	cf::client cf::player
173	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
174	cf::map cf::party cf::region	311	cf::party cf::region
175	)) {	312	)) {
176	no strict 'refs';
177	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
178	}	314	}
179		315
180	$Event::DIED = sub {	316	$EV::DIED = sub {
181	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
182	};	318	};
		319
		320	#############################################################################
183		321
184	=head2 UTILITY FUNCTIONS	322	=head2 UTILITY FUNCTIONS
185		323
186	=over 4	324	=over 4
187		325
…		…
206	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	344	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
207	$d	345	$d
208	} || "[unable to dump $_[0]: '$@']";	346	} || "[unable to dump $_[0]: '$@']";
209	}	347	}
210		348
211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
212
213	=item $ref = cf::from_json $json	349	=item $ref = cf::decode_json $json
214		350
215	Converts a JSON string into the corresponding perl data structure.	351	Converts a JSON string into the corresponding perl data structure.
216		352
217	=item $json = cf::to_json $ref	353	=item $json = cf::encode_json $ref
218		354
219	Converts a perl data structure into its JSON representation.	355	Converts a perl data structure into its JSON representation.
220		356
		357	=cut
		358
		359	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		360
		361	sub encode_json($) { $json_coder->encode ($_[0]) }
		362	sub decode_json($) { $json_coder->decode ($_[0]) }
		363
		364	=item $ref = cf::yaml_load $scalar
		365
		366	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		367
		368	=cut
		369
		370	sub fork_call(&@);
		371
		372	sub yaml_load($) {
		373	fork_call { YAML::XS::Load $_[0] } @_
		374	}
		375
		376	=item cf::post_init { BLOCK }
		377
		378	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		379	but I<before> the server starts ticking again.
		380
		381	The codeblock will have a single boolean argument to indicate whether this
		382	is a reload or not.
		383
		384	=cut
		385
		386	sub post_init(&) {
		387	push @POST_INIT, shift;
		388	}
		389
		390	sub _post_init {
		391	trace "running post_init jobs";
		392
		393	# run them in parallel...
		394
		395	my @join;
		396
		397	while () {
		398	push @join, map &Coro::async ($_, 0), @POST_INIT;
		399	@POST_INIT = ();
		400
		401	@join or last;
		402
		403	(pop @join)->join;
		404	}
		405	}
		406
221	=item cf::lock_wait $string	407	=item cf::lock_wait $string
222		408
223	Wait until the given lock is available. See cf::lock_acquire.	409	Wait until the given lock is available. See cf::lock_acquire.
224		410
225	=item my $lock = cf::lock_acquire $string	411	=item my $lock = cf::lock_acquire $string
226		412
227	Wait until the given lock is available and then acquires it and returns	413	Wait until the given lock is available and then acquires it and returns
228	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	414	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
229	for example when the coroutine gets canceled), the lock is automatically	415	for example when the coroutine gets canceled), the lock is automatically
230	returned.	416	returned.
231		417
		418	Locks are *not* recursive, locking from the same coro twice results in a
		419	deadlocked coro.
		420
232	Lock names should begin with a unique identifier (for example, cf::map::find	421	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	422	uses map_find and cf::map::load uses map_load).
234		423
235	=cut	424	=item $locked = cf::lock_active $string
236		425
237	our %LOCK;	426	Return true if the lock is currently active, i.e. somebody has locked it.
		427
		428	=cut
		429
		430	our $LOCKS = new Coro::SemaphoreSet;
238		431
239	sub lock_wait($) {	432	sub lock_wait($) {
240	my ($key) = @_;	433	$LOCKS->wait ($_[0]);
241
242	# wait for lock, if any
243	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;
246	}
247	}	434	}
248		435
249	sub lock_acquire($) {	436	sub lock_acquire($) {
250	my ($key) = @_;	437	$LOCKS->guard ($_[0])
		438	}
251		439
252	# wait, to be sure we are not locked	440	sub lock_active($) {
253	lock_wait $key;	441	$LOCKS->count ($_[0]) < 1
254
255	$LOCK{$key} = [];
256
257	Coro::guard {
258	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };
260	}
261	}	442	}
262		443
263	sub freeze_mainloop {	444	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	445	tick_inhibit_inc;
265		446
266	my $guard = Coro::guard {	447	&Guard::guard (\&tick_inhibit_dec);
267	$TICK_WATCHER->start;	448	}
		449
		450	=item cf::periodic $interval, $cb
		451
		452	Like EV::periodic, but randomly selects a starting point so that the actions
		453	get spread over time.
		454
		455	=cut
		456
		457	sub periodic($$) {
		458	my ($interval, $cb) = @_;
		459
		460	my $start = rand List::Util::min 180, $interval;
		461
		462	EV::periodic $start, $interval, 0, $cb
		463	}
		464
		465	=item cf::get_slot $time[, $priority[, $name]]
		466
		467	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		468	This call blocks and returns only when you have at least C<$time> seconds
		469	of cpu time till the next tick. The slot is only valid till the next cede.
		470
		471	The optional C<$name> can be used to identify the job to run. It might be
		472	used for statistical purposes and should identify the same time-class.
		473
		474	Useful for short background jobs.
		475
		476	=cut
		477
		478	our @SLOT_QUEUE;
		479	our $SLOT_QUEUE;
		480	our $SLOT_DECAY = 0.9;
		481
		482	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		483	$SLOT_QUEUE = Coro::async {
		484	$Coro::current->desc ("timeslot manager");
		485
		486	my $signal = new Coro::Signal;
		487	my $busy;
		488
		489	while () {
		490	next_job:
		491
		492	my $avail = cf::till_tick;
		493
		494	for (0 .. $#SLOT_QUEUE) {
		495	if ($SLOT_QUEUE[$_][0] <= $avail) {
		496	$busy = 0;
		497	my $job = splice @SLOT_QUEUE, $_, 1, ();
		498	$job->[2]->send;
		499	Coro::cede;
		500	goto next_job;
		501	} else {
		502	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		503	}
		504	}
		505
		506	if (@SLOT_QUEUE) {
		507	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		508	push @cf::WAIT_FOR_TICK, $signal;
		509	$signal->wait;
		510	} else {
		511	$busy = 0;
		512	Coro::schedule;
		513	}
268	};	514	}
269	$TICK_WATCHER->stop;	515	};
270	$guard	516
		517	sub get_slot($;$$) {
		518	return if tick_inhibit || $Coro::current == $Coro::main;
		519
		520	my ($time, $pri, $name) = @_;
		521
		522	$time = clamp $time, 0.01, $TICK * .6;
		523
		524	my $sig = new Coro::Signal;
		525
		526	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		527	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		528	$SLOT_QUEUE->ready;
		529	$sig->wait;
271	}	530	}
272		531
273	=item cf::async { BLOCK }	532	=item cf::async { BLOCK }
274		533
275	Currently the same as Coro::async_pool, meaning you cannot use	534	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		539
281	BEGIN { *async = \&Coro::async_pool }	540	BEGIN { *async = \&Coro::async_pool }
282		541
283	=item cf::sync_job { BLOCK }	542	=item cf::sync_job { BLOCK }
284		543
285	The design of crossfire+ requires that the main coro ($Coro::main) is	544	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	545	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	546	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		547	acceptable.
288		548
289	If it must be done, put the blocking parts into C<sync_job>. This will run	549	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	550	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	551	server will be frozen during this time, so the block should either finish
292	fast or be very important.	552	fast or be very important.
…		…
294	=cut	554	=cut
295		555
296	sub sync_job(&) {	556	sub sync_job(&) {
297	my ($job) = @_;	557	my ($job) = @_;
298		558
299	if ($Coro::current == $Coro::main) {	559	if (in_main) {
		560	my $time = AE::time;
		561
300	# this is the main coro, too bad, we have to block	562	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	563	# till the operation succeeds, freezing the server :/
302		564
303	# TODO: use suspend/resume instead	565	#LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	566
305	my $freeze_guard = freeze_mainloop;	567	my $freeze_guard = freeze_mainloop;
306		568
307	my $busy = 1;	569	my $busy = 1;
308	my @res;	570	my @res;
309		571
310	(async {	572	(async {
		573	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	574	@res = eval { $job->() };
312	warn $@ if $@;	575	error $@ if $@;
313	undef $busy;	576	undef $busy;
314	})->prio (Coro::PRIO_MAX);	577	})->prio (Coro::PRIO_MAX);
315		578
316	while ($busy) {	579	while ($busy) {
317	Coro::cede or Event::one_event;	580	if (Coro::nready) {
		581	Coro::cede_notself;
		582	} else {
		583	EV::loop EV::LOOP_ONESHOT;
318	}	584	}
		585	}
		586
		587	my $time = AE::time - $time;
		588
		589	$TICK_START += $time; # do not account sync jobs to server load
319		590
320	wantarray ? @res : $res[0]	591	wantarray ? @res : $res[0]
321	} else {	592	} else {
322	# we are in another coroutine, how wonderful, everything just works	593	# we are in another coroutine, how wonderful, everything just works
323		594
…		…
343	$EXT_CORO{$coro+0} = $coro;	614	$EXT_CORO{$coro+0} = $coro;
344		615
345	$coro	616	$coro
346	}	617	}
347		618
348	sub write_runtime {	619	=item fork_call { }, @args
349	my $guard = cf::lock_acquire "write_runtime";
350		620
351	my $runtime = cf::localdir . "/runtime";	621	Executes the given code block with the given arguments in a seperate
		622	process, returning the results. Everything must be serialisable with
		623	Coro::Storable. May, of course, block. Note that the executed sub may
		624	never block itself or use any form of event handling.
352		625
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	626	=cut
354	or return;
355		627
356	my $value = $cf::RUNTIME + 90 + 10;	628	sub post_fork {
357	# 10 is the runtime save interval, for a monotonic clock	629	reset_signals;
358	# 60 allows for the watchdog to kill the server.	630	}
359		631
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	632	sub fork_call(&@) {
361	and return;	633	my ($cb, @args) = @_;
362		634
363	# always fsync - this file is important	635	# we seemingly have to make a local copy of the whole thing,
364	aio_fsync $fh	636	# otherwise perl prematurely frees the stuff :/
365	and return;	637	# TODO: investigate and fix (likely this will be rather laborious)
366		638
367	close $fh	639	my @res = Coro::Util::fork_eval {
368	or return;	640	cf::post_fork;
		641	&$cb
		642	} @args;
369		643
370	aio_rename "$runtime~", $runtime	644	wantarray ? @res : $res[-1]
371	and return;	645	}
372		646
		647	sub objinfo {
373	1	648	(
		649	"counter value" => cf::object::object_count,
		650	"objects created" => cf::object::create_count,
		651	"objects destroyed" => cf::object::destroy_count,
		652	"freelist size" => cf::object::free_count,
		653	"allocated objects" => cf::object::objects_size,
		654	"active objects" => cf::object::actives_size,
		655	)
		656	}
		657
		658	=item $coin = coin_from_name $name
		659
		660	=cut
		661
		662	our %coin_alias = (
		663	"silver" => "silvercoin",
		664	"silvercoin" => "silvercoin",
		665	"silvercoins" => "silvercoin",
		666	"gold" => "goldcoin",
		667	"goldcoin" => "goldcoin",
		668	"goldcoins" => "goldcoin",
		669	"platinum" => "platinacoin",
		670	"platinumcoin" => "platinacoin",
		671	"platinumcoins" => "platinacoin",
		672	"platina" => "platinacoin",
		673	"platinacoin" => "platinacoin",
		674	"platinacoins" => "platinacoin",
		675	"royalty" => "royalty",
		676	"royalties" => "royalty",
		677	);
		678
		679	sub coin_from_name($) {
		680	$coin_alias{$_[0]}
		681	? cf::arch::find $coin_alias{$_[0]}
		682	: undef
		683	}
		684
		685	=item $value = cf::db_get $family => $key
		686
		687	Returns a single value from the environment database.
		688
		689	=item cf::db_put $family => $key => $value
		690
		691	Stores the given C<$value> in the family. It can currently store binary
		692	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		693
		694	=item $db = cf::db_table "name"
		695
		696	Create and/or open a new database table. The string must not be "db" and must be unique
		697	within each server.
		698
		699	=cut
		700
		701	sub db_table($) {
		702	cf::error "db_get called from main context"
		703	if $Coro::current == $Coro::main;
		704
		705	my ($name) = @_;
		706	my $db = BDB::db_create $DB_ENV;
		707
		708	eval {
		709	$db->set_flags (BDB::CHKSUM);
		710
		711	utf8::encode $name;
		712	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		713	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		714	cf::cleanup "db_open(db): $!" if $!;
		715	};
		716	cf::cleanup "db_open(db): $@" if $@;
		717
		718	$db
		719	}
		720
		721	our $DB;
		722
		723	sub db_init {
		724	$DB ||= db_table "db";
		725	}
		726
		727	sub db_get($$) {
		728	my $key = "$_[0]/$_[1]";
		729
		730	cf::error "db_get called from main context"
		731	if $Coro::current == $Coro::main;
		732
		733	BDB::db_get $DB, undef, $key, my $data;
		734
		735	$! ? ()
		736	: $data
		737	}
		738
		739	sub db_put($$$) {
		740	BDB::dbreq_pri 4;
		741	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		742	}
		743
		744	=item cf::cache $id => [$paths...], $processversion => $process
		745
		746	Generic caching function that returns the value of the resource $id,
		747	caching and regenerating as required.
		748
		749	This function can block.
		750
		751	=cut
		752
		753	sub cache {
		754	my ($id, $src, $processversion, $process) = @_;
		755
		756	my $meta =
		757	join "\x00",
		758	$processversion,
		759	map {
		760	aio_stat $_
		761	and Carp::croak "$_: $!";
		762
		763	($_, (stat _)[7,9])
		764	} @$src;
		765
		766	my $dbmeta = db_get cache => "$id/meta";
		767	if ($dbmeta ne $meta) {
		768	# changed, we may need to process
		769
		770	my @data;
		771	my $md5;
		772
		773	for (0 .. $#$src) {
		774	0 <= aio_load $src->[$_], $data[$_]
		775	or Carp::croak "$src->[$_]: $!";
		776	}
		777
		778	# if processing is expensive, check
		779	# checksum first
		780	if (1) {
		781	$md5 =
		782	join "\x00",
		783	$processversion,
		784	map {
		785	cf::cede_to_tick;
		786	($src->[$_], Digest::MD5::md5_hex $data[$_])
		787	} 0.. $#$src;
		788
		789
		790	my $dbmd5 = db_get cache => "$id/md5";
		791	if ($dbmd5 eq $md5) {
		792	db_put cache => "$id/meta", $meta;
		793
		794	return db_get cache => "$id/data";
		795	}
		796	}
		797
		798	my $t1 = Time::HiRes::time;
		799	my $data = $process->(\@data);
		800	my $t2 = Time::HiRes::time;
		801
		802	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		803
		804	db_put cache => "$id/data", $data;
		805	db_put cache => "$id/md5" , $md5;
		806	db_put cache => "$id/meta", $meta;
		807
		808	return $data;
		809	}
		810
		811	db_get cache => "$id/data"
374	}	812	}
375		813
376	=item cf::datalog type => key => value, ...	814	=item cf::datalog type => key => value, ...
377		815
378	Log a datalog packet of the given type with the given key-value pairs.	816	Log a datalog packet of the given type with the given key-value pairs.
379		817
380	=cut	818	=cut
381		819
382	sub datalog($@) {	820	sub datalog($@) {
383	my ($type, %kv) = @_;	821	my ($type, %kv) = @_;
384	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	822	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
385	}	823	}
386		824
387	=back	825	=back
388		826
389	=cut	827	=cut
390		828
391	#############################################################################	829	#############################################################################
392		830
393	=head2 ATTACHABLE OBJECTS	831	=head2 ATTACHABLE OBJECTS
394		832
395	Many objects in crossfire are so-called attachable objects. That means you can	833	Many objects in deliantra are so-called attachable objects. That means you can
396	attach callbacks/event handlers (a collection of which is called an "attachment")	834	attach callbacks/event handlers (a collection of which is called an "attachment")
397	to it. All such attachable objects support the following methods.	835	to it. All such attachable objects support the following methods.
398		836
399	In the following description, CLASS can be any of C<global>, C<object>	837	In the following description, CLASS can be any of C<global>, C<object>
400	C<player>, C<client> or C<map> (i.e. the attachable objects in	838	C<player>, C<client> or C<map> (i.e. the attachable objects in
401	crossfire+).	839	Deliantra).
402		840
403	=over 4	841	=over 4
404		842
405	=item $attachable->attach ($attachment, key => $value...)	843	=item $attachable->attach ($attachment, key => $value...)
406		844
…		…
450	=item cf::CLASS::attachment $name, ...	888	=item cf::CLASS::attachment $name, ...
451		889
452	Register an attachment by C<$name> through which attachable objects of the	890	Register an attachment by C<$name> through which attachable objects of the
453	given CLASS can refer to this attachment.	891	given CLASS can refer to this attachment.
454		892
455	Some classes such as crossfire maps and objects can specify attachments	893	Some classes such as deliantra maps and objects can specify attachments
456	that are attached at load/instantiate time, thus the need for a name.	894	that are attached at load/instantiate time, thus the need for a name.
457		895
458	These calls expect any number of the following handler/hook descriptions:	896	These calls expect any number of the following handler/hook descriptions:
459		897
460	=over 4	898	=over 4
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	1007	$registry = $CB_TYPE[$object_type] ||= [];
570		1008
571	} elsif ($type eq "subtype") {	1009	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	1010	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	1011	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1012	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		1013
576	} elsif ($type eq "package") {	1014	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	1015	my $pkg = shift @arg;
578		1016
579	while (my ($name, $id) = each %cb_id) {	1017	while (my ($name, $id) = each %cb_id) {
…		…
584		1022
585	} elsif (exists $cb_id{$type}) {	1023	} elsif (exists $cb_id{$type}) {
586	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1024	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
587		1025
588	} elsif (ref $type) {	1026	} elsif (ref $type) {
589	warn "attaching objects not supported, ignoring.\n";	1027	error "attaching objects not supported, ignoring.\n";
590		1028
591	} else {	1029	} else {
592	shift @arg;	1030	shift @arg;
593	warn "attach argument '$type' not supported, ignoring.\n";	1031	error "attach argument '$type' not supported, ignoring.\n";
594	}	1032	}
595	}	1033	}
596	}	1034	}
597		1035
598	sub _object_attach {	1036	sub _object_attach {
…		…
608	_attach $registry, $klass, @attach;	1046	_attach $registry, $klass, @attach;
609	}	1047	}
610		1048
611	$obj->{$name} = \%arg;	1049	$obj->{$name} = \%arg;
612	} else {	1050	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	1051	info "object uses attachment '$name' which is not available, postponing.\n";
614	}	1052	}
615		1053
616	$obj->{_attachment}{$name} = undef;	1054	$obj->{_attachment}{$name} = undef;
617	}	1055	}
618		1056
…		…
620	if (ref $_[0]) {	1058	if (ref $_[0]) {
621	_object_attach @_;	1059	_object_attach @_;
622	} else {	1060	} else {
623	_attach shift->_attach_registry, @_;	1061	_attach shift->_attach_registry, @_;
624	}	1062	}
		1063	_recalc_want;
625	};	1064	};
626		1065
627	# all those should be optimised	1066	# all those should be optimised
628	sub cf::attachable::detach {	1067	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	1068	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	1071	delete $obj->{_attachment}{$name};
633	reattach ($obj);	1072	reattach ($obj);
634	} else {	1073	} else {
635	Carp::croak "cannot, currently, detach class attachments";	1074	Carp::croak "cannot, currently, detach class attachments";
636	}	1075	}
		1076	_recalc_want;
637	};	1077	};
638		1078
639	sub cf::attachable::attached {	1079	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	1080	my ($obj, $name) = @_;
641		1081
…		…
656	";	1096	";
657	die if $@;	1097	die if $@;
658	}	1098	}
659		1099
660	our $override;	1100	our $override;
661	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1101	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
662		1102
663	sub override {	1103	sub override {
664	$override = 1;	1104	$override = 1;
665	@invoke_results = ();	1105	@INVOKE_RESULTS = (@_);
666	}	1106	}
667		1107
668	sub do_invoke {	1108	sub do_invoke {
669	my $event = shift;	1109	my $event = shift;
670	my $callbacks = shift;	1110	my $callbacks = shift;
671		1111
672	@invoke_results = ();	1112	@INVOKE_RESULTS = ();
673		1113
674	local $override;	1114	local $override;
675		1115
676	for (@$callbacks) {	1116	for (@$callbacks) {
677	eval { &{$_->[1]} };	1117	eval { &{$_->[1]} };
678		1118
679	if ($@) {	1119	if ($@) {
680	warn "$@";
681	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1120	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
682	override;	1121	override;
683	}	1122	}
684		1123
685	return 1 if $override;	1124	return 1 if $override;
686	}	1125	}
687		1126
688	0	1127	0
689	}	1128	}
690		1129
691	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
692		1131
693	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1132	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
694		1133
695	Generate an object-specific event with the given arguments.	1134	Generate an object-specific event with the given arguments.
696		1135
697	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1136	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
698	removed in future versions), and there is no public API to access override	1137	removed in future versions), and there is no public API to access override
699	results (if you must, access C<@cf::invoke_results> directly).	1138	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		1139
701	=back	1140	=back
702		1141
703	=cut	1142	=cut
704		1143
705	#############################################################################	1144	#############################################################################
706	# object support	1145	# object support
		1146
		1147	sub _object_equal($$);
		1148	sub _object_equal($$) {
		1149	my ($a, $b) = @_;
		1150
		1151	return 0 unless (ref $a) eq (ref $b);
		1152
		1153	if ("HASH" eq ref $a) {
		1154	my @ka = keys %$a;
		1155	my @kb = keys %$b;
		1156
		1157	return 0 if @ka != @kb;
		1158
		1159	for (0 .. $#ka) {
		1160	return 0 unless $ka[$_] eq $kb[$_];
		1161	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1162	}
		1163
		1164	} elsif ("ARRAY" eq ref $a) {
		1165
		1166	return 0 if @$a != @$b;
		1167
		1168	for (0 .. $#$a) {
		1169	return 0 unless _object_equal $a->[$_], $b->[$_];
		1170	}
		1171
		1172	} elsif ($a ne $b) {
		1173	return 0;
		1174	}
		1175
		1176	1
		1177	}
		1178
		1179	our $SLOW_MERGES;#d#
		1180	sub _can_merge {
		1181	my ($ob1, $ob2) = @_;
		1182
		1183	++$SLOW_MERGES;#d#
		1184
		1185	# we do the slow way here
		1186	return _object_equal $ob1, $ob2
		1187	}
707		1188
708	sub reattach {	1189	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1190	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1191	my ($obj) = @_;
711		1192
		1193	# no longer needed after getting rid of delete_package?
712	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1194	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
713		1195
714	my $registry = $obj->registry;	1196	my $registry = $obj->registry;
715		1197
716	@$registry = ();	1198	@$registry = ();
717		1199
…		…
722	for (@$attach) {	1204	for (@$attach) {
723	my ($klass, @attach) = @$_;	1205	my ($klass, @attach) = @$_;
724	_attach $registry, $klass, @attach;	1206	_attach $registry, $klass, @attach;
725	}	1207	}
726	} else {	1208	} else {
727	warn "object uses attachment '$name' that is not available, postponing.\n";	1209	info "object uses attachment '$name' that is not available, postponing.\n";
728	}	1210	}
729	}	1211	}
730	}	1212	}
731		1213
732	cf::attachable->attach (	1214	cf::attachable->attach (
733	prio => -1000000,	1215	prio => -1000000,
734	on_instantiate => sub {	1216	on_instantiate => sub {
735	my ($obj, $data) = @_;	1217	my ($obj, $data) = @_;
736		1218
737	$data = from_json $data;	1219	$data = decode_json $data;
738		1220
739	for (@$data) {	1221	for (@$data) {
740	my ($name, $args) = @$_;	1222	my ($name, $args) = @$_;
741		1223
742	$obj->attach ($name, %{$args || {} });	1224	$obj->attach ($name, %{$args || {} });
…		…
758	sub object_freezer_save {	1240	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1241	my ($filename, $rdata, $objs) = @_;
760		1242
761	sync_job {	1243	sync_job {
762	if (length $$rdata) {	1244	if (length $$rdata) {
		1245	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1246	trace sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1247	$decname, length $$rdata, scalar @$objs
		1248	if $VERBOSE_IO;
765		1249
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1250	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1251	aio_chmod $fh, SAVE_MODE;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1252	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	aio_fsync $fh if $cf::USE_FSYNC;	1253	if ($cf::USE_FSYNC) {
		1254	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;
		1255	aio_fsync $fh;
		1256	}
770	close $fh;	1257	aio_close $fh;
771		1258
772	if (@$objs) {	1259	if (@$objs) {
773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1260	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
774	chmod SAVE_MODE, $fh;	1261	aio_chmod $fh, SAVE_MODE;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1262	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1263	aio_write $fh, 0, (length $data), $data, 0;
777	aio_fsync $fh if $cf::USE_FSYNC;	1264	if ($cf::USE_FSYNC) {
		1265	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;
		1266	aio_fsync $fh;
		1267	}
778	close $fh;	1268	aio_close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1269	aio_rename "$filename.pst~", "$filename.pst";
780	}	1270	}
781	} else {	1271	} else {
782	aio_unlink "$filename.pst";	1272	aio_unlink "$filename.pst";
783	}	1273	}
784		1274
785	aio_rename "$filename~", $filename;	1275	aio_rename "$filename~", $filename;
		1276
		1277	$filename =~ s%/[^/]+$%%;
		1278	aio_pathsync $filename if $cf::USE_FSYNC;
786	} else {	1279	} else {
787	warn "FATAL: $filename~: $!\n";	1280	error "unable to save objects: $filename~: $!\n";
788	}	1281	}
789	} else {	1282	} else {
790	aio_unlink $filename;	1283	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1284	aio_unlink "$filename.pst";
792	}	1285	}
793	}	1286	};
794	}	1287	}
795		1288
796	sub object_freezer_as_string {	1289	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1290	my ($rdata, $objs) = @_;
798		1291
…		…
810	or return;	1303	or return;
811		1304
812	unless (aio_stat "$filename.pst") {	1305	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1306	(aio_load "$filename.pst", $av) >= 0
814	or return;	1307	or return;
		1308
815	$av = eval { (Storable::thaw $av)->{objs} };	1309	my $st = eval { Coro::Storable::thaw $av };
		1310	$av = $st->{objs};
816	}	1311	}
817		1312
		1313	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1314	trace sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1315	$decname, length $data, scalar @{$av || []}
		1316	if $VERBOSE_IO;
		1317
820	return ($data, $av);	1318	($data, $av)
821	}	1319	}
		1320
		1321	=head2 COMMAND CALLBACKS
		1322
		1323	=over 4
		1324
		1325	=cut
822		1326
823	#############################################################################	1327	#############################################################################
824	# command handling &c	1328	# command handling &c
825		1329
826	=item cf::register_command $name => \&callback($ob,$args);	1330	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1343	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1344	}
841		1345
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1346	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1347
844	Register a callbackf ro execution when the client sends an extcmd packet.	1348	Register a callback for execution when the client sends an (synchronous)
		1349	extcmd packet. Ext commands will be processed in the order they are
		1350	received by the server, like other user commands. The first argument is
		1351	the logged-in player. Ext commands can only be processed after a player
		1352	has logged in successfully.
845		1353
846	If the callback returns something, it is sent back as if reply was being	1354	If the callback returns something, it is sent back as if reply was being
847	called.	1355	called.
848		1356
		1357	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1358
		1359	Register a callback for execution when the client sends an (asynchronous)
		1360	exticmd packet. Exti commands are processed by the server as soon as they
		1361	are received, i.e. out of order w.r.t. other commands. The first argument
		1362	is a client socket. Exti commands can be received anytime, even before
		1363	log-in.
		1364
		1365	If the callback returns something, it is sent back as if reply was being
		1366	called.
		1367
849	=cut	1368	=cut
850		1369
851	sub register_extcmd {	1370	sub register_extcmd {
852	my ($name, $cb) = @_;	1371	my ($name, $cb) = @_;
853		1372
854	$EXTCMD{$name} = $cb;	1373	$EXTCMD{$name} = $cb;
855	}	1374	}
856		1375
		1376	sub register_exticmd {
		1377	my ($name, $cb) = @_;
		1378
		1379	$EXTICMD{$name} = $cb;
		1380	}
		1381
		1382	use File::Glob ();
		1383
857	cf::player->attach (	1384	cf::player->attach (
858	on_command => sub {	1385	on_unknown_command => sub {
859	my ($pl, $name, $params) = @_;	1386	my ($pl, $name, $params) = @_;
860		1387
861	my $cb = $COMMAND{$name}	1388	my $cb = $COMMAND{$name}
862	or return;	1389	or return;
863		1390
…		…
868	cf::override;	1395	cf::override;
869	},	1396	},
870	on_extcmd => sub {	1397	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1398	my ($pl, $buf) = @_;
872		1399
873	my $msg = eval { from_json $buf };	1400	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1401
875	if (ref $msg) {	1402	if (ref $msg) {
		1403	my ($type, $reply, @payload) =
		1404	"ARRAY" eq ref $msg
		1405	? @$msg
		1406	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1407
		1408	my @reply;
		1409
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1410	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1411	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1412	}
		1413
		1414	$pl->ext_reply ($reply, @reply)
		1415	if $reply;
		1416
881	} else {	1417	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1418	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1419	}
884		1420
885	cf::override;	1421	cf::override;
886	},	1422	},
887	);	1423	);
888		1424
		1425	# "readahead" all extensions
889	sub load_extension {	1426	sub cache_extensions {
890	my ($path) = @_;	1427	my $grp = IO::AIO::aio_group;
891		1428
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1429	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
893	my $base = $1;	1430	for (grep /\.ext$/, @{$_[0]}) {
894	my $pkg = $1;	1431	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}	1432	}
917	die $@;
918	}	1433	};
919		1434
920	push @EXTS, $pkg;	1435	$grp
921	}	1436	}
922		1437
923	sub load_extensions {	1438	sub load_extensions {
		1439	info "loading extensions...";
		1440
		1441	cf::sync_job {
		1442	my %todo;
		1443
924	for my $ext (<$LIBDIR/*.ext>) {	1444	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1445	next unless -r $path;
926	eval {	1446
927	load_extension $ext;	1447	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1448	my $base = $1;
		1449	my $pkg = $1;
		1450	$pkg =~ s/[^[:word:]]/_/g;
		1451	$pkg = "ext::$pkg";
		1452
		1453	open my $fh, "<:utf8", $path
		1454	or die "$path: $!";
		1455
		1456	my $source = do { local $/; <$fh> };
		1457
		1458	my %ext = (
		1459	path => $path,
		1460	base => $base,
		1461	pkg => $pkg,
		1462	);
		1463
		1464	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1465	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1466
		1467	$ext{source} =
		1468	"package $pkg; use common::sense;\n"
		1469	. "#line 1 \"$path\"\n{\n"
		1470	. $source
		1471	. "\n};\n1";
		1472
		1473	$todo{$base} = \%ext;
		1474	}
		1475
		1476	my $pass = 0;
		1477	my %done;
		1478	while (%todo) {
		1479	my $progress;
		1480
		1481	++$pass;
		1482
		1483	ext:
		1484	while (my ($k, $v) = each %todo) {
		1485	for (split /,\s*/, $v->{meta}{depends}) {
		1486	next ext
		1487	unless exists $done{$_};
		1488	}
		1489
		1490	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1491
		1492	my $active = eval $v->{source};
		1493
		1494	if (length $@) {
		1495	error "$v->{path}: $@\n";
		1496
		1497	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1498	if exists $v->{meta}{mandatory};
		1499
		1500	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1501	delete $todo{$k};
		1502	} else {
		1503	$done{$k} = delete $todo{$k};
		1504	push @EXTS, $v->{pkg};
		1505	$progress = 1;
		1506
		1507	info "$v->{base}: extension inactive.\n"
		1508	unless $active;
		1509	}
928	1	1510	}
929	} or warn "$ext not loaded: $@";	1511
		1512	unless ($progress) {
		1513	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1514
		1515	while (my ($k, $v) = each %todo) {
		1516	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1517	if exists $v->{meta}{mandatory};
		1518	}
		1519	}
		1520	}
930	}	1521	};
931	}	1522	}
932		1523
933	#############################################################################	1524	#############################################################################
934		1525
		1526	=back
		1527
935	=head2 CORE EXTENSIONS	1528	=head2 CORE EXTENSIONS
936		1529
937	Functions and methods that extend core crossfire objects.	1530	Functions and methods that extend core deliantra objects.
938		1531
939	=cut	1532	=cut
940		1533
941	package cf::player;	1534	package cf::player;
942		1535
…		…
944		1537
945	=head3 cf::player	1538	=head3 cf::player
946		1539
947	=over 4	1540	=over 4
948		1541
		1542	=item cf::player::num_playing
		1543
		1544	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1545
		1546	=cut
		1547
		1548	sub num_playing {
		1549	scalar grep
		1550	$_->ob->map
		1551	&& !$_->hidden
		1552	&& !$_->ob->flag (cf::FLAG_WIZ),
		1553	cf::player::list
		1554	}
		1555
949	=item cf::player::find $login	1556	=item cf::player::find $login
950		1557
951	Returns the given player object, loading it if necessary (might block).	1558	Returns the given player object, loading it if necessary (might block).
952		1559
953	=cut	1560	=cut
954		1561
955	sub playerdir($) {	1562	sub playerdir($) {
956	cf::localdir	1563	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1564	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1565	}
962		1566
963	sub path($) {	1567	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1568	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
974		1578
975	sub exists($) {	1579	sub exists($) {
976	my ($login) = @_;	1580	my ($login) = @_;
977		1581
978	$cf::PLAYER{$login}	1582	$cf::PLAYER{$login}
979	or cf::sync_job { !aio_stat path $login }	1583	or !aio_stat path $login
980	}	1584	}
981		1585
982	sub find($) {	1586	sub find($) {
983	return $cf::PLAYER{$_[0]} || do {	1587	return $cf::PLAYER{$_[0]} || do {
984	my $login = $_[0];	1588	my $login = $_[0];
…		…
991	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1595	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
992	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1596	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
993	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1597	aio_unlink +(playerdir $login) . "/$login.pl.pst";
994	aio_unlink +(playerdir $login) . "/$login.pl";	1598	aio_unlink +(playerdir $login) . "/$login.pl";
995		1599
996	my $pl = load_pl path $login	1600	my $f = new_from_file cf::object::thawer path $login
997	or return;	1601	or return;
		1602
		1603	my $pl = cf::player::load_pl $f
		1604	or return;
		1605
		1606	local $cf::PLAYER_LOADING{$login} = $pl;
		1607	$f->resolve_delayed_derefs;
998	$cf::PLAYER{$login} = $pl	1608	$cf::PLAYER{$login} = $pl
999	}	1609	}
1000	}	1610	}
1001	}	1611	}
		1612
		1613	cf::player->attach (
		1614	on_load => sub {
		1615	my ($pl, $path) = @_;
		1616
		1617	# restore slots saved in save, below
		1618	my $slots = delete $pl->{_slots};
		1619
		1620	$pl->ob->current_weapon ($slots->[0]);
		1621	$pl->combat_ob ($slots->[1]);
		1622	$pl->ranged_ob ($slots->[2]);
		1623	},
		1624	);
1002		1625
1003	sub save($) {	1626	sub save($) {
1004	my ($pl) = @_;	1627	my ($pl) = @_;
1005		1628
1006	return if $pl->{deny_save};	1629	return if $pl->{deny_save};
…		…
1011	return if $pl->{deny_save};	1634	return if $pl->{deny_save};
1012		1635
1013	aio_mkdir playerdir $pl, 0770;	1636	aio_mkdir playerdir $pl, 0770;
1014	$pl->{last_save} = $cf::RUNTIME;	1637	$pl->{last_save} = $cf::RUNTIME;
1015		1638
		1639	cf::get_slot 0.01;
		1640
		1641	# save slots, to be restored later
		1642	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1643
1016	$pl->save_pl ($path);	1644	$pl->save_pl ($path);
1017	Coro::cede;	1645	cf::cede_to_tick;
1018	}	1646	}
1019		1647
1020	sub new($) {	1648	sub new($) {
1021	my ($login) = @_;	1649	my ($login) = @_;
1022		1650
…		…
1028	$cf::PLAYER{$login} = $self;	1656	$cf::PLAYER{$login} = $self;
1029		1657
1030	$self	1658	$self
1031	}	1659	}
1032		1660
		1661	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1662
		1663	=cut
		1664
		1665	sub send_msg {
		1666	my $ns = shift->ns
		1667	or return;
		1668	$ns->send_msg (@_);
		1669	}
		1670
1033	=item $pl->quit_character	1671	=item $pl->quit_character
1034		1672
1035	Nukes the player without looking back. If logged in, the connection will	1673	Nukes the player without looking back. If logged in, the connection will
1036	be destroyed. May block for a long time.	1674	be destroyed. May block for a long time.
1037		1675
…		…
1041	my ($pl) = @_;	1679	my ($pl) = @_;
1042		1680
1043	my $name = $pl->ob->name;	1681	my $name = $pl->ob->name;
1044		1682
1045	$pl->{deny_save} = 1;	1683	$pl->{deny_save} = 1;
1046	$pl->password ("*"); # this should lock out the player until we nuked the dir	1684	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1047		1685
1048	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1686	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1049	$pl->deactivate;	1687	$pl->deactivate;
		1688
		1689	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1050	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1690	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1691	ext::highscore::check ($pl->ob);
		1692
1051	$pl->ns->destroy if $pl->ns;	1693	$pl->ns->destroy if $pl->ns;
1052		1694
1053	my $path = playerdir $pl;	1695	my $path = playerdir $pl;
1054	my $temp = "$path~$cf::RUNTIME~deleting~";	1696	my $temp = "$path~$cf::RUNTIME~deleting~";
1055	aio_rename $path, $temp;	1697	aio_rename $path, $temp;
…		…
1084	while and may block, so not sync_job-capable, ever.	1726	while and may block, so not sync_job-capable, ever.
1085		1727
1086	=cut	1728	=cut
1087		1729
1088	sub list_logins {	1730	sub list_logins {
1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1731	my $dirs = aio_readdir $PLAYERDIR
1090	or return [];	1732	or return [];
1091		1733
1092	my @logins;	1734	my @logins;
1093		1735
1094	for my $login (@$dirs) {	1736	for my $login (@$dirs) {
		1737	my $path = path $login;
		1738
		1739	# a .pst is a dead give-away for a valid player
		1740	# if no pst file found, open and chekc for blocked users
		1741	if (aio_stat "$path.pst") {
1095	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1742	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1096	aio_read $fh, 0, 512, my $buf, 0 or next;	1743	aio_read $fh, 0, 512, my $buf, 0 or next;
1097	$buf !~ /^password -------------$/m or next; # official not-valid tag	1744	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1745	}
1098		1746
1099	utf8::decode $login;	1747	utf8::decode $login;
1100	push @logins, $login;	1748	push @logins, $login;
1101	}	1749	}
1102		1750
1103	\@logins	1751	\@logins
1104	}	1752	}
1105		1753
1106	=item $player->maps	1754	=item $player->maps
		1755
		1756	=item cf::player::maps $login
1107		1757
1108	Returns an arrayref of map paths that are private for this	1758	Returns an arrayref of map paths that are private for this
1109	player. May block.	1759	player. May block.
1110		1760
1111	=cut	1761	=cut
…		…
1129	}	1779	}
1130		1780
1131	\@paths	1781	\@paths
1132	}	1782	}
1133		1783
		1784	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1785
		1786	Expand deliantra pod fragments into protocol xml.
		1787
1134	=item $player->ext_reply ($msgid, %msg)	1788	=item $player->ext_reply ($msgid, @msg)
1135		1789
1136	Sends an ext reply to the player.	1790	Sends an ext reply to the player.
1137		1791
1138	=cut	1792	=cut
1139		1793
1140	sub ext_reply($$%) {	1794	sub ext_reply($$@) {
1141	my ($self, $id, %msg) = @_;	1795	my ($self, $id, @msg) = @_;
1142		1796
1143	$msg{msgid} = $id;	1797	$self->ns->ext_reply ($id, @msg)
1144
1145	$self->send ("ext " . cf::to_json \%msg);
1146	}	1798	}
1147		1799
1148	=item $player->ext_event ($type, %msg)	1800	=item $player->ext_msg ($type, @msg)
1149		1801
1150	Sends an ext event to the client.	1802	Sends an ext event to the client.
1151		1803
1152	=cut	1804	=cut
1153		1805
1154	sub ext_event($$%) {	1806	sub ext_msg($$@) {
1155	my ($self, $type, %msg) = @_;	1807	my ($self, $type, @msg) = @_;
1156		1808
1157	$self->ns->ext_event ($type, %msg);	1809	$self->ns->ext_msg ($type, @msg);
1158	}	1810	}
1159		1811
1160	=head3 cf::region	1812	=head3 cf::region
1161		1813
1162	=over 4	1814	=over 4
…		…
1165		1817
1166	package cf::region;	1818	package cf::region;
1167		1819
1168	=item cf::region::find_by_path $path	1820	=item cf::region::find_by_path $path
1169		1821
1170	Tries to decuce the probable region for a map knowing only its path.	1822	Tries to decuce the likely region for a map knowing only its path.
1171		1823
1172	=cut	1824	=cut
1173		1825
1174	sub find_by_path($) {	1826	sub find_by_path($) {
1175	my ($path) = @_;	1827	my ($path) = @_;
1176		1828
		1829	$path =~ s/^~[^\/]*//; # skip ~login
		1830
1177	my ($match, $specificity);	1831	my ($match, $specificity);
1178		1832
1179	for my $region (list) {	1833	for my $region (list) {
1180	if ($region->match && $path =~ $region->match) {	1834	if ($region->{match} && $path =~ $region->{match}) {
1181	($match, $specificity) = ($region, $region->specificity)	1835	($match, $specificity) = ($region, $region->specificity)
1182	if $region->specificity > $specificity;	1836	if $region->specificity > $specificity;
1183	}	1837	}
1184	}	1838	}
1185		1839
…		…
1206	our $MAX_RESET = 3600;	1860	our $MAX_RESET = 3600;
1207	our $DEFAULT_RESET = 3000;	1861	our $DEFAULT_RESET = 3000;
1208		1862
1209	sub generate_random_map {	1863	sub generate_random_map {
1210	my ($self, $rmp) = @_;	1864	my ($self, $rmp) = @_;
1211	# mit "rum" bekleckern, nicht	1865
		1866	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1867
1212	$self->_create_random_map (	1868	$self->_create_random_map ($rmp);
1213	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1214	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1215	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1216	$rmp->{exit_on_final_map},
1217	$rmp->{xsize}, $rmp->{ysize},
1218	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1219	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1220	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1221	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1222	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1223	(cf::region::find $rmp->{region}), $rmp->{custom}
1224	)
1225	}	1869	}
1226		1870
1227	=item cf::map->register ($regex, $prio)	1871	=item cf::map->register ($regex, $prio)
1228		1872
1229	Register a handler for the map path matching the given regex at the	1873	Register a handler for the map path matching the given regex at the
…		…
1234		1878
1235	sub register {	1879	sub register {
1236	my (undef, $regex, $prio) = @_;	1880	my (undef, $regex, $prio) = @_;
1237	my $pkg = caller;	1881	my $pkg = caller;
1238		1882
1239	no strict;
1240	push @{"$pkg\::ISA"}, __PACKAGE__;	1883	push @{"$pkg\::ISA"}, __PACKAGE__;
1241		1884
1242	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1885	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1243	}	1886	}
1244		1887
1245	# also paths starting with '/'	1888	# also paths starting with '/'
1246	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1889	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1247		1890
1248	sub thawer_merge {	1891	sub thawer_merge {
1249	my ($self, $merge) = @_;	1892	my ($self, $merge) = @_;
1250		1893
1251	# we have to keep some variables in memory intact	1894	# we have to keep some variables in memory intact
1252	local $self->{path};	1895	local $self->{path};
1253	local $self->{load_path};	1896	local $self->{load_path};
1254	local $self->{deny_save};
1255	local $self->{deny_reset};
1256		1897
1257	$self->SUPER::thawer_merge ($merge);	1898	$self->SUPER::thawer_merge ($merge);
1258	}	1899	}
1259		1900
1260	sub normalise {	1901	sub normalise {
1261	my ($path, $base) = @_;	1902	my ($path, $base) = @_;
1262		1903
1263	$path = "$path"; # make sure its a string	1904	$path = "$path"; # make sure it's a string
1264		1905
1265	$path =~ s/\.map$//;	1906	$path =~ s/\.map$//;
1266		1907
1267	# map plan:	1908	# map plan:
1268	#	1909	#
…		…
1283	$base =~ s{[^/]+/?$}{};	1924	$base =~ s{[^/]+/?$}{};
1284	$path = "$base/$path";	1925	$path = "$base/$path";
1285	}	1926	}
1286		1927
1287	for ($path) {	1928	for ($path) {
1288	redo if s{//}{/};
1289	redo if s{/\.?/}{/};	1929	redo if s{/\.?/}{/};
1290	redo if s{/[^/]+/\.\./}{/};	1930	redo if s{/[^/]+/\.\./}{/};
1291	}	1931	}
1292		1932
1293	$path	1933	$path
…		…
1307	$self->init; # pass $1 etc.	1947	$self->init; # pass $1 etc.
1308	return $self;	1948	return $self;
1309	}	1949	}
1310	}	1950	}
1311		1951
1312	Carp::carp "unable to resolve path '$path' (base '$base').";	1952	Carp::cluck "unable to resolve path '$path' (base '$base')";
1313	()	1953	()
1314	}	1954	}
1315		1955
1316	sub init {	1956	sub init {
1317	my ($self) = @_;	1957	my ($self) = @_;
…		…
1332		1972
1333	# the original (read-only) location	1973	# the original (read-only) location
1334	sub load_path {	1974	sub load_path {
1335	my ($self) = @_;	1975	my ($self) = @_;
1336		1976
1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1977	"$MAPDIR/$self->{path}.map"
1338	}	1978	}
1339		1979
1340	# the temporary/swap location	1980	# the temporary/swap location
1341	sub save_path {	1981	sub save_path {
1342	my ($self) = @_;	1982	my ($self) = @_;
1343		1983
1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1984	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1985	"$TMPDIR/$path.map"
1346	}	1986	}
1347		1987
1348	# the unique path, undef == no special unique path	1988	# the unique path, undef == no special unique path
1349	sub uniq_path {	1989	sub uniq_path {
1350	my ($self) = @_;	1990	my ($self) = @_;
1351		1991
1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1992	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1993	"$UNIQUEDIR/$path"
1354	}	1994	}
1355		1995
1356	# and all this just because we cannot iterate over	1996	sub decay_objects {
1357	# all maps in C++...
1358	sub change_all_map_light {
1359	my ($change) = @_;	1997	my ($self) = @_;
1360		1998
1361	$_->change_map_light ($change)	1999	return if $self->{deny_reset};
1362	for grep $_->outdoor, values %cf::MAP;	2000
		2001	$self->do_decay_objects;
1363	}	2002	}
1364		2003
1365	sub unlink_save {	2004	sub unlink_save {
1366	my ($self) = @_;	2005	my ($self) = @_;
1367		2006
…		…
1372		2011
1373	sub load_header_from($) {	2012	sub load_header_from($) {
1374	my ($self, $path) = @_;	2013	my ($self, $path) = @_;
1375		2014
1376	utf8::encode $path;	2015	utf8::encode $path;
1377	#aio_open $path, O_RDONLY, 0	2016	my $f = new_from_file cf::object::thawer $path
1378	# or return;
1379
1380	$self->_load_header ($path)
1381	or return;	2017	or return;
		2018
		2019	$self->_load_header ($f)
		2020	or return;
		2021
		2022	local $MAP_LOADING{$self->{path}} = $self;
		2023	$f->resolve_delayed_derefs;
1382		2024
1383	$self->{load_path} = $path;	2025	$self->{load_path} = $path;
1384		2026
1385	1	2027	1
1386	}	2028	}
…		…
1425	$self->load_header_orig	2067	$self->load_header_orig
1426	or return;	2068	or return;
1427	$self->prepare_orig;	2069	$self->prepare_orig;
1428	}	2070	}
1429		2071
		2072	$self->{deny_reset} = 1
		2073	if $self->no_reset;
		2074
1430	$self->default_region (cf::region::find_by_path $self->{path})	2075	$self->default_region (cf::region::find_by_path $self->{path})
1431	unless $self->default_region;	2076	unless $self->default_region;
1432		2077
1433	1	2078	1
1434	}	2079	}
1435		2080
1436	sub find;	2081	sub find;
1437	sub find {	2082	sub find {
1438	my ($path, $origin) = @_;	2083	my ($path, $origin) = @_;
1439		2084
		2085	cf::cede_to_tick;
		2086
1440	$path = normalise $path, $origin && $origin->path;	2087	$path = normalise $path, $origin && $origin->path;
1441		2088
		2089	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1442	cf::lock_wait "map_find:$path";	2090	my $guard2 = cf::lock_acquire "map_find:$path";
1443		2091
1444	$cf::MAP{$path} || do {	2092	$cf::MAP{$path} || do {
1445	my $guard = cf::lock_acquire "map_find:$path";
1446	my $map = new_from_path cf::map $path	2093	my $map = new_from_path cf::map $path
1447	or return;	2094	or return;
1448		2095
1449	$map->{last_save} = $cf::RUNTIME;	2096	$map->{last_save} = $cf::RUNTIME;
1450		2097
1451	$map->load_header	2098	$map->load_header
1452	or return;	2099	or return;
1453		2100
1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2101	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455	# doing this can freeze the server in a sync job, obviously	2102	# doing this can freeze the server in a sync job, obviously
1456	#$cf::WAIT_FOR_TICK->wait;	2103	#$cf::WAIT_FOR_TICK->wait;
		2104	undef $guard2;
		2105	undef $guard1;
1457	$map->reset;	2106	$map->reset;
1458	undef $guard;
1459	return find $path;	2107	return find $path;
1460	}	2108	}
1461		2109
1462	$cf::MAP{$path} = $map	2110	$cf::MAP{$path} = $map
1463	}	2111	}
1464	}	2112	}
1465		2113
1466	sub pre_load { }	2114	sub pre_load { }
1467	sub post_load { }	2115	#sub post_load { } # XS
1468		2116
1469	sub load {	2117	sub load {
1470	my ($self) = @_;	2118	my ($self) = @_;
1471		2119
1472	local $self->{deny_reset} = 1; # loading can take a long time	2120	local $self->{deny_reset} = 1; # loading can take a long time
1473		2121
1474	my $path = $self->{path};	2122	my $path = $self->{path};
		2123
		2124	{
1475	my $guard = cf::lock_acquire "map_load:$path";	2125	my $guard = cf::lock_acquire "map_data:$path";
1476		2126
		2127	return unless $self->valid;
1477	return if $self->in_memory != cf::MAP_SWAPPED;	2128	return unless $self->in_memory == cf::MAP_SWAPPED;
1478		2129
1479	$self->in_memory (cf::MAP_LOADING);	2130	$self->in_memory (cf::MAP_LOADING);
1480		2131
1481	$self->alloc;	2132	$self->alloc;
1482		2133
1483	$self->pre_load;	2134	$self->pre_load;
1484	Coro::cede;	2135	cf::cede_to_tick;
1485		2136
1486	$self->_load_objects ($self->{load_path}, 1)	2137	my $f = new_from_file cf::object::thawer $self->{load_path};
		2138	$f->skip_block;
		2139	$self->_load_objects ($f)
1487	or return;	2140	or return;
1488		2141
1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2142	$self->post_load_original
1490	if delete $self->{load_original};	2143	if delete $self->{load_original};
1491		2144
1492	if (my $uniq = $self->uniq_path) {	2145	if (my $uniq = $self->uniq_path) {
1493	utf8::encode $uniq;	2146	utf8::encode $uniq;
1494	if (aio_open $uniq, O_RDONLY, 0) {	2147	unless (aio_stat $uniq) {
		2148	if (my $f = new_from_file cf::object::thawer $uniq) {
1495	$self->clear_unique_items;	2149	$self->clear_unique_items;
1496	$self->_load_objects ($uniq, 0);	2150	$self->_load_objects ($f);
		2151	$f->resolve_delayed_derefs;
		2152	}
1497	}	2153	}
1498	}	2154	}
1499		2155
1500	Coro::cede;	2156	$f->resolve_delayed_derefs;
		2157
		2158	cf::cede_to_tick;
1501	# now do the right thing for maps	2159	# now do the right thing for maps
1502	$self->link_multipart_objects;	2160	$self->link_multipart_objects;
1503	Coro::cede;
1504
1505	unless ($self->{deny_activate}) {
1506	$self->decay_objects;
1507	$self->fix_auto_apply;
1508	$self->update_buttons;
1509	Coro::cede;
1510	$self->set_darkness_map;
1511	$self->difficulty ($self->estimate_difficulty)	2161	$self->difficulty ($self->estimate_difficulty)
1512	unless $self->difficulty;	2162	unless $self->difficulty;
1513	Coro::cede;	2163	cf::cede_to_tick;
		2164
		2165	unless ($self->{deny_activate}) {
		2166	$self->decay_objects;
		2167	$self->fix_auto_apply;
		2168	$self->update_buttons;
		2169	cf::cede_to_tick;
1514	$self->activate;	2170	$self->activate;
1515	Coro::cede;	2171	}
		2172
		2173	$self->{last_save} = $cf::RUNTIME;
		2174	$self->last_access ($cf::RUNTIME);
		2175
		2176	$self->in_memory (cf::MAP_ACTIVE);
1516	}	2177	}
1517		2178
1518	$self->post_load;	2179	$self->post_load;
1519	Coro::cede;
1520		2180
1521	$self->in_memory (cf::MAP_IN_MEMORY);	2181	1
1522	}	2182	}
1523		2183
		2184	# customize the map for a given player, i.e.
		2185	# return the _real_ map. used by e.g. per-player
		2186	# maps to change the path to ~playername/mappath
1524	sub customise_for {	2187	sub customise_for {
1525	my ($self, $ob) = @_;	2188	my ($self, $ob) = @_;
1526		2189
1527	return find "~" . $ob->name . "/" . $self->{path}	2190	return find "~" . $ob->name . "/" . $self->{path}
1528	if $self->per_player;	2191	if $self->per_player;
1529		2192
		2193	# return find "?party/" . $ob->name . "/" . $self->{path}
		2194	# if $self->per_party;
		2195
1530	$self	2196	$self
1531	}	2197	}
1532		2198
1533	# find and load all maps in the 3x3 area around a map	2199	# find and load all maps in the 3x3 area around a map
1534	sub load_diag {	2200	sub load_neighbours {
1535	my ($map) = @_;	2201	my ($map) = @_;
1536		2202
1537	my @diag; # diagonal neighbours	2203	my @neigh; # diagonal neighbours
1538		2204
1539	for (0 .. 3) {	2205	for (0 .. 3) {
1540	my $neigh = $map->tile_path ($_)	2206	my $neigh = $map->tile_path ($_)
1541	or next;	2207	or next;
1542	$neigh = find $neigh, $map	2208	$neigh = find $neigh, $map
1543	or next;	2209	or next;
1544	$neigh->load;	2210	$neigh->load;
1545		2211
		2212	# now find the diagonal neighbours
		2213	push @neigh,
1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2214	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2215	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1548	}	2216	}
1549		2217
1550	for (@diag) {	2218	for (grep defined $_->[0], @neigh) {
		2219	my ($path, $origin) = @$_;
1551	my $neigh = find @$_	2220	my $neigh = find $path, $origin
1552	or next;	2221	or next;
1553	$neigh->load;	2222	$neigh->load;
1554	}	2223	}
1555	}	2224	}
1556		2225
1557	sub find_sync {	2226	sub find_sync {
1558	my ($path, $origin) = @_;	2227	my ($path, $origin) = @_;
1559		2228
1560	cf::sync_job { find $path, $origin }	2229	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2230	if $Coro::current == $Coro::main;
		2231
		2232	find $path, $origin
1561	}	2233	}
1562		2234
1563	sub do_load_sync {	2235	sub do_load_sync {
1564	my ($map) = @_;	2236	my ($map) = @_;
1565		2237
1566	cf::sync_job { $map->load };	2238	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2239	if $Coro::current == $Coro::main;
		2240
		2241	$map->load;
1567	}	2242	}
1568		2243
1569	our %MAP_PREFETCH;	2244	our %MAP_PREFETCH;
1570	our $MAP_PREFETCHER = undef;	2245	our $MAP_PREFETCHER = undef;
1571		2246
1572	sub find_async {	2247	sub find_async {
1573	my ($path, $origin) = @_;	2248	my ($path, $origin, $load) = @_;
1574		2249
1575	$path = normalise $path, $origin && $origin->{path};	2250	$path = normalise $path, $origin && $origin->{path};
1576		2251
1577	if (my $map = $cf::MAP{$path}) {	2252	if (my $map = $cf::MAP{$path}) {
1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2253	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1579	}	2254	}
1580		2255
1581	undef $MAP_PREFETCH{$path};	2256	$MAP_PREFETCH{$path} |= $load;
		2257
1582	$MAP_PREFETCHER ||= cf::async {	2258	$MAP_PREFETCHER ||= cf::async {
		2259	$Coro::current->{desc} = "map prefetcher";
		2260
1583	while (%MAP_PREFETCH) {	2261	while (%MAP_PREFETCH) {
1584	for my $path (keys %MAP_PREFETCH) {	2262	while (my ($k, $v) = each %MAP_PREFETCH) {
1585	my $map = find $path	2263	if (my $map = find $k) {
1586	or next;
1587	$map->load;	2264	$map->load if $v;
		2265	}
1588		2266
1589	delete $MAP_PREFETCH{$path};	2267	delete $MAP_PREFETCH{$k};
1590	}	2268	}
1591	}	2269	}
1592	undef $MAP_PREFETCHER;	2270	undef $MAP_PREFETCHER;
1593	};	2271	};
1594	$MAP_PREFETCHER->prio (6);	2272	$MAP_PREFETCHER->prio (6);
1595		2273
1596	()	2274	()
1597	}	2275	}
1598		2276
		2277	# common code, used by both ->save and ->swapout
1599	sub save {	2278	sub _save {
1600	my ($self) = @_;	2279	my ($self) = @_;
1601
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;
1603		2280
1604	$self->{last_save} = $cf::RUNTIME;	2281	$self->{last_save} = $cf::RUNTIME;
1605		2282
1606	return unless $self->dirty;	2283	return unless $self->dirty;
1607		2284
…		…
1613	return if $self->{deny_save};	2290	return if $self->{deny_save};
1614		2291
1615	local $self->{last_access} = $self->last_access;#d#	2292	local $self->{last_access} = $self->last_access;#d#
1616		2293
1617	cf::async {	2294	cf::async {
		2295	$Coro::current->{desc} = "map player save";
1618	$_->contr->save for $self->players;	2296	$_->contr->save for $self->players;
1619	};	2297	};
		2298
		2299	cf::get_slot 0.02;
1620		2300
1621	if ($uniq) {	2301	if ($uniq) {
1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2302	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1623	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2303	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1624	} else {	2304	} else {
1625	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2305	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1626	}	2306	}
1627	}	2307	}
1628		2308
		2309	sub save {
		2310	my ($self) = @_;
		2311
		2312	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2313
		2314	$self->_save;
		2315	}
		2316
1629	sub swap_out {	2317	sub swap_out {
1630	my ($self) = @_;	2318	my ($self) = @_;
1631		2319
1632	# save first because save cedes
1633	$self->save;
1634
1635	my $lock = cf::lock_acquire "map_data:" . $self->path;	2320	my $lock = cf::lock_acquire "map_data:$self->{path}";
1636		2321
		2322	return if $self->in_memory != cf::MAP_ACTIVE;
		2323	return if $self->{deny_save};
1637	return if $self->players;	2324	return if $self->players;
1638	return if $self->in_memory != cf::MAP_IN_MEMORY;
1639	return if $self->{deny_save};
1640		2325
		2326	# first deactivate the map and "unlink" it from the core
		2327	$self->deactivate;
		2328	$_->clear_links_to ($self) for values %cf::MAP;
		2329	$self->in_memory (cf::MAP_SWAPPED);
		2330
		2331	# then atomically save
		2332	$self->_save;
		2333
		2334	# then free the map
1641	$self->clear;	2335	$self->clear;
1642	$self->in_memory (cf::MAP_SWAPPED);
1643	}	2336	}
1644		2337
1645	sub reset_at {	2338	sub reset_at {
1646	my ($self) = @_;	2339	my ($self) = @_;
1647		2340
1648	# TODO: safety, remove and allow resettable per-player maps	2341	# TODO: safety, remove and allow resettable per-player maps
1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
1650	return 1e99 if $self->{deny_reset};	2342	return 1e99 if $self->{deny_reset};
1651		2343
1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2344	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2345	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654		2346
…		…
1665	my ($self) = @_;	2357	my ($self) = @_;
1666		2358
1667	my $lock = cf::lock_acquire "map_data:$self->{path}";	2359	my $lock = cf::lock_acquire "map_data:$self->{path}";
1668		2360
1669	return if $self->players;	2361	return if $self->players;
1670	return if $self->isa ("ext::map_per_player");#d#
1671		2362
1672	warn "resetting map ", $self->path;#d#	2363	cf::trace "resetting map ", $self->path, "\n";
1673		2364
1674	$self->in_memory (cf::MAP_SWAPPED);	2365	$self->in_memory (cf::MAP_SWAPPED);
1675		2366
1676	# need to save uniques path	2367	# need to save uniques path
1677	unless ($self->{deny_save}) {	2368	unless ($self->{deny_save}) {
…		…
1681	if $uniq;	2372	if $uniq;
1682	}	2373	}
1683		2374
1684	delete $cf::MAP{$self->path};	2375	delete $cf::MAP{$self->path};
1685		2376
		2377	$self->deactivate;
		2378	$_->clear_links_to ($self) for values %cf::MAP;
1686	$self->clear;	2379	$self->clear;
1687
1688	$_->clear_links_to ($self) for values %cf::MAP;
1689		2380
1690	$self->unlink_save;	2381	$self->unlink_save;
1691	$self->destroy;	2382	$self->destroy;
1692	}	2383	}
1693		2384
1694	my $nuke_counter = "aaaa";	2385	my $nuke_counter = "aaaa";
1695		2386
1696	sub nuke {	2387	sub nuke {
1697	my ($self) = @_;	2388	my ($self) = @_;
1698		2389
		2390	{
		2391	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2392
1699	delete $cf::MAP{$self->path};	2393	delete $cf::MAP{$self->path};
1700		2394
1701	$self->unlink_save;	2395	$self->unlink_save;
1702		2396
1703	bless $self, "cf::map";	2397	bless $self, "cf::map::wrap";
1704	delete $self->{deny_reset};	2398	delete $self->{deny_reset};
1705	$self->{deny_save} = 1;	2399	$self->{deny_save} = 1;
1706	$self->reset_timeout (1);	2400	$self->reset_timeout (1);
1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2401	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708		2402
1709	$cf::MAP{$self->path} = $self;	2403	$cf::MAP{$self->path} = $self;
		2404	}
1710		2405
1711	$self->reset; # polite request, might not happen	2406	$self->reset; # polite request, might not happen
		2407	}
		2408
		2409	=item $maps = cf::map::tmp_maps
		2410
		2411	Returns an arrayref with all map paths of currently instantiated and saved
		2412	maps. May block.
		2413
		2414	=cut
		2415
		2416	sub tmp_maps() {
		2417	[
		2418	map {
		2419	utf8::decode $_;
		2420	/\.map$/
		2421	? normalise $_
		2422	: ()
		2423	} @{ aio_readdir $TMPDIR or [] }
		2424	]
		2425	}
		2426
		2427	=item $maps = cf::map::random_maps
		2428
		2429	Returns an arrayref with all map paths of currently instantiated and saved
		2430	random maps. May block.
		2431
		2432	=cut
		2433
		2434	sub random_maps() {
		2435	[
		2436	map {
		2437	utf8::decode $_;
		2438	/\.map$/
		2439	? normalise "?random/$_"
		2440	: ()
		2441	} @{ aio_readdir $RANDOMDIR or [] }
		2442	]
1712	}	2443	}
1713		2444
1714	=item cf::map::unique_maps	2445	=item cf::map::unique_maps
1715		2446
1716	Returns an arrayref of paths of all shared maps that have	2447	Returns an arrayref of paths of all shared maps that have
1717	instantiated unique items. May block.	2448	instantiated unique items. May block.
1718		2449
1719	=cut	2450	=cut
1720		2451
1721	sub unique_maps() {	2452	sub unique_maps() {
1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2453	[
1723	or return;	2454	map {
1724
1725	my @paths;
1726
1727	for (@$files) {
1728	utf8::decode $_;	2455	utf8::decode $_;
1729	next if /\.pst$/;	2456	s/\.map$//; # TODO future compatibility hack
1730	next unless /^$PATH_SEP/o;	2457	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1731		2458	? ()
1732	push @paths, cf::map::normalise $_;	2459	: normalise $_
		2460	} @{ aio_readdir $UNIQUEDIR or [] }
1733	}	2461	]
1734
1735	\@paths
1736	}	2462	}
1737		2463
1738	package cf;	2464	=item cf::map::static_maps
		2465
		2466	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2467	file in the shared directory excluding F</styles> and F</editor>). May
		2468	block.
		2469
		2470	=cut
		2471
		2472	sub static_maps() {
		2473	my @dirs = "";
		2474	my @maps;
		2475
		2476	while (@dirs) {
		2477	my $dir = shift @dirs;
		2478
		2479	next if $dir eq "/styles" || $dir eq "/editor";
		2480
		2481	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2482	or return;
		2483
		2484	for (@$files) {
		2485	s/\.map$// or next;
		2486	utf8::decode $_;
		2487	push @maps, "$dir/$_";
		2488	}
		2489
		2490	push @dirs, map "$dir/$_", @$dirs;
		2491	}
		2492
		2493	\@maps
		2494	}
1739		2495
1740	=back	2496	=back
1741		2497
1742	=head3 cf::object	2498	=head3 cf::object
1743		2499
…		…
1747		2503
1748	=over 4	2504	=over 4
1749		2505
1750	=item $ob->inv_recursive	2506	=item $ob->inv_recursive
1751		2507
1752	Returns the inventory of the object _and_ their inventories, recursively.	2508	Returns the inventory of the object I<and> their inventories, recursively,
		2509	but I<not> the object itself.
1753		2510
1754	=cut	2511	=cut
1755		2512
1756	sub inv_recursive_;	2513	sub inv_recursive_;
1757	sub inv_recursive_ {	2514	sub inv_recursive_ {
…		…
1760		2517
1761	sub inv_recursive {	2518	sub inv_recursive {
1762	inv_recursive_ inv $_[0]	2519	inv_recursive_ inv $_[0]
1763	}	2520	}
1764		2521
		2522	=item $ref = $ob->ref
		2523
		2524	Creates and returns a persistent reference to an object that can be stored as a string.
		2525
		2526	=item $ob = cf::object::deref ($refstring)
		2527
		2528	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2529	even if the object actually exists. May block.
		2530
		2531	=cut
		2532
		2533	sub deref {
		2534	my ($ref) = @_;
		2535
		2536	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2537	my ($uuid, $name) = ($1, $2);
		2538	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2539	or return;
		2540	$pl->ob->uuid eq $uuid
		2541	or return;
		2542
		2543	$pl->ob
		2544	} else {
		2545	warn "$ref: cannot resolve object reference\n";
		2546	undef
		2547	}
		2548	}
		2549
1765	package cf;	2550	package cf;
1766		2551
1767	=back	2552	=back
1768		2553
1769	=head3 cf::object::player	2554	=head3 cf::object::player
…		…
1775	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2560	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1776	can be C<undef>. Does the right thing when the player is currently in a	2561	can be C<undef>. Does the right thing when the player is currently in a
1777	dialogue with the given NPC character.	2562	dialogue with the given NPC character.
1778		2563
1779	=cut	2564	=cut
		2565
		2566	our $SAY_CHANNEL = {
		2567	id => "say",
		2568	title => "Map",
		2569	reply => "say ",
		2570	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2571	};
		2572
		2573	our $CHAT_CHANNEL = {
		2574	id => "chat",
		2575	title => "Chat",
		2576	reply => "chat ",
		2577	tooltip => "Player chat and shouts, global to the server.",
		2578	};
1780		2579
1781	# rough implementation of a future "reply" method that works	2580	# rough implementation of a future "reply" method that works
1782	# with dialog boxes.	2581	# with dialog boxes.
1783	#TODO: the first argument must go, split into a $npc->reply_to ( method	2582	#TODO: the first argument must go, split into a $npc->reply_to ( method
1784	sub cf::object::player::reply($$$;$) {	2583	sub cf::object::player::reply($$$;$) {
…		…
1786		2585
1787	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2586	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788		2587
1789	if ($self->{record_replies}) {	2588	if ($self->{record_replies}) {
1790	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2589	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2590
1791	} else {	2591	} else {
		2592	my $pl = $self->contr;
		2593
		2594	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2595	my $dialog = $pl->{npc_dialog};
		2596	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2597
		2598	} else {
1792	$msg = $npc->name . " says: $msg" if $npc;	2599	$msg = $npc->name . " says: $msg" if $npc;
1793	$self->message ($msg, $flags);	2600	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2601	}
1794	}	2602	}
		2603	}
		2604
		2605	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2606
		2607	=cut
		2608
		2609	sub cf::object::send_msg {
		2610	my $pl = shift->contr
		2611	or return;
		2612	$pl->send_msg (@_);
1795	}	2613	}
1796		2614
1797	=item $player_object->may ("access")	2615	=item $player_object->may ("access")
1798		2616
1799	Returns wether the given player is authorized to access resource "access"	2617	Returns wether the given player is authorized to access resource "access"
…		…
1812		2630
1813	=item $player_object->enter_link	2631	=item $player_object->enter_link
1814		2632
1815	Freezes the player and moves him/her to a special map (C<{link}>).	2633	Freezes the player and moves him/her to a special map (C<{link}>).
1816		2634
1817	The player should be reasonably safe there for short amounts of time. You	2635	The player should be reasonably safe there for short amounts of time (e.g.
1818	I<MUST> call C<leave_link> as soon as possible, though.	2636	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2637	though, as the player cannot control the character while it is on the link
		2638	map.
1819		2639
1820	Will never block.	2640	Will never block.
1821		2641
1822	=item $player_object->leave_link ($map, $x, $y)	2642	=item $player_object->leave_link ($map, $x, $y)
1823		2643
…		…
1843	sub cf::object::player::enter_link {	2663	sub cf::object::player::enter_link {
1844	my ($self) = @_;	2664	my ($self) = @_;
1845		2665
1846	$self->deactivate_recursive;	2666	$self->deactivate_recursive;
1847		2667
		2668	++$self->{_link_recursion};
		2669
1848	return if UNIVERSAL::isa $self->map, "ext::map_link";	2670	return if UNIVERSAL::isa $self->map, "ext::map_link";
1849		2671
1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2672	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851	if $self->map;	2673	if $self->map && $self->map->{path} ne "{link}";
1852		2674
1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2675	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1854	}	2676	}
1855		2677
1856	sub cf::object::player::leave_link {	2678	sub cf::object::player::leave_link {
1857	my ($self, $map, $x, $y) = @_;	2679	my ($self, $map, $x, $y) = @_;
		2680
		2681	return unless $self->contr->active;
1858		2682
1859	my $link_pos = delete $self->{_link_pos};	2683	my $link_pos = delete $self->{_link_pos};
1860		2684
1861	unless ($map) {	2685	unless ($map) {
1862	# restore original map position	2686	# restore original map position
…		…
1873	($x, $y) = (-1, -1)	2697	($x, $y) = (-1, -1)
1874	unless (defined $x) && (defined $y);	2698	unless (defined $x) && (defined $y);
1875		2699
1876	# use -1 or undef as default coordinates, not 0, 0	2700	# use -1 or undef as default coordinates, not 0, 0
1877	($x, $y) = ($map->enter_x, $map->enter_y)	2701	($x, $y) = ($map->enter_x, $map->enter_y)
1878	if $x <=0 && $y <= 0;	2702	if $x <= 0 && $y <= 0;
1879		2703
1880	$map->load;	2704	$map->load;
1881	$map->load_diag;	2705	$map->load_neighbours;
1882		2706
1883	return unless $self->contr->active;	2707	return unless $self->contr->active;
1884	$self->activate_recursive;
1885		2708
1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2709	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887	$self->enter_map ($map, $x, $y);	2710	if ($self->enter_map ($map, $x, $y)) {
1888	}	2711	# entering was successful
1889		2712	delete $self->{_link_recursion};
1890	cf::player->attach (	2713	# only activate afterwards, to support waiting in hooks
1891	on_logout => sub {	2714	$self->activate_recursive;
1892	my ($pl) = @_;
1893
1894	# abort map switching before logout
1895	if ($pl->ob->{_link_pos}) {
1896	cf::sync_job {
1897	$pl->ob->leave_link
1898	};
1899	}
1900	},	2715	}
1901	on_login => sub {
1902	my ($pl) = @_;
1903		2716
1904	# try to abort aborted map switching on player login :)	2717	}
1905	# should happen only on crashes
1906	if ($pl->ob->{_link_pos}) {
1907	$pl->ob->enter_link;
1908	(async {
1909	$pl->ob->reply (undef,
1910	"There was an internal problem at your last logout, "
1911	. "the server will try to bring you to your intended destination in a second.",
1912	cf::NDI_RED);
1913	# we need this sleep as the login has a concurrent enter_exit running
1914	# and this sleep increases chances of the player not ending up in scorn
1915	Coro::Timer::sleep 1;
1916	$pl->ob->leave_link;
1917	})->prio (2);
1918	}
1919	},
1920	);
1921		2718
1922	=item $player_object->goto ($path, $x, $y)	2719	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1923		2720
		2721	Moves the player to the given map-path and coordinates by first freezing
		2722	her, loading and preparing them map, calling the provided $check callback
		2723	that has to return the map if sucecssful, and then unfreezes the player on
		2724	the new (success) or old (failed) map position. In either case, $done will
		2725	be called at the end of this process.
		2726
		2727	Note that $check will be called with a potentially non-loaded map, so if
		2728	it needs a loaded map it has to call C<< ->load >>.
		2729
1924	=cut	2730	=cut
		2731
		2732	our $GOTOGEN;
1925		2733
1926	sub cf::object::player::goto {	2734	sub cf::object::player::goto {
1927	my ($self, $path, $x, $y) = @_;	2735	my ($self, $path, $x, $y, $check, $done) = @_;
		2736
		2737	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2738	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2739	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2740	($path, $x, $y) = @$EMERGENCY_POSITION;
		2741	}
		2742
		2743	# do generation counting so two concurrent goto's will be executed in-order
		2744	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1928		2745
1929	$self->enter_link;	2746	$self->enter_link;
1930		2747
1931	(async {	2748	(async {
		2749	$Coro::current->{desc} = "player::goto $path $x $y";
		2750
		2751	# *tag paths override both path and x|y
		2752	if ($path =~ /^\*(.*)$/) {
		2753	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2754	my $ob = $obs[rand @obs];
		2755
		2756	# see if we actually can go there
		2757	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2758	$ob = $obs[rand @obs];
		2759	} else {
		2760	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2761	}
		2762	# else put us there anyways for now #d#
		2763
		2764	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2765	} else {
		2766	($path, $x, $y) = (undef, undef, undef);
		2767	}
		2768	}
		2769
1932	my $map = eval {	2770	my $map = eval {
1933	my $map = cf::map::find $path;	2771	my $map = defined $path ? cf::map::find $path : undef;
		2772
		2773	if ($map) {
1934	$map = $map->customise_for ($self) if $map;	2774	$map = $map->customise_for ($self);
		2775	$map = $check->($map, $x, $y, $self) if $check && $map;
		2776	} else {
		2777	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2778	}
		2779
1935	$map	2780	$map
		2781	};
		2782
		2783	if ($@) {
		2784	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2785	LOG llevError | logBacktrace, Carp::longmess $@;
1936	} or	2786	}
1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938		2787
		2788	if ($gen == $self->{_goto_generation}) {
		2789	delete $self->{_goto_generation};
1939	$self->leave_link ($map, $x, $y);	2790	$self->leave_link ($map, $x, $y);
		2791	}
		2792
		2793	$done->($self) if $done;
1940	})->prio (1);	2794	})->prio (1);
1941	}	2795	}
1942		2796
1943	=item $player_object->enter_exit ($exit_object)	2797	=item $player_object->enter_exit ($exit_object)
1944		2798
…		…
1964	}	2818	}
1965		2819
1966	sub prepare_random_map {	2820	sub prepare_random_map {
1967	my ($exit) = @_;	2821	my ($exit) = @_;
1968		2822
1969	my $guard = cf::lock_acquire "exit_prepare:$exit";
1970
1971	# all this does is basically replace the /! path by	2823	# all this does is basically replace the /! path by
1972	# a new random map path (?random/...) with a seed	2824	# a new random map path (?random/...) with a seed
1973	# that depends on the exit object	2825	# that depends on the exit object
1974		2826
1975	my $rmp = parse_random_map_params $exit->msg;	2827	my $rmp = parse_random_map_params $exit->msg;
…		…
1977	if ($exit->map) {	2829	if ($exit->map) {
1978	$rmp->{region} = $exit->region->name;	2830	$rmp->{region} = $exit->region->name;
1979	$rmp->{origin_map} = $exit->map->path;	2831	$rmp->{origin_map} = $exit->map->path;
1980	$rmp->{origin_x} = $exit->x;	2832	$rmp->{origin_x} = $exit->x;
1981	$rmp->{origin_y} = $exit->y;	2833	$rmp->{origin_y} = $exit->y;
		2834
		2835	$exit->map->touch;
1982	}	2836	}
1983		2837
1984	$rmp->{random_seed} ||= $exit->random_seed;	2838	$rmp->{random_seed} ||= $exit->random_seed;
1985		2839
1986	my $data = cf::to_json $rmp;	2840	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1987	my $md5 = Digest::MD5::md5_hex $data;	2841	my $md5 = Digest::MD5::md5_hex $data;
1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2842	my $meta = "$RANDOMDIR/$md5.meta";
1989		2843
1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2844	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991	aio_write $fh, 0, (length $data), $data, 0;	2845	aio_write $fh, 0, (length $data), $data, 0;
1992	undef $fh;	2846	undef $fh;
1993	aio_rename "$meta~", $meta;	2847	aio_rename "$meta~", $meta;
1994		2848
		2849	my $slaying = "?random/$md5";
		2850
		2851	if ($exit->valid) {
1995	$exit->slaying ("?random/$md5");	2852	$exit->slaying ("?random/$md5");
1996	$exit->msg (undef);	2853	$exit->msg (undef);
		2854	}
1997	}	2855	}
1998	}	2856	}
1999		2857
2000	sub cf::object::player::enter_exit {	2858	sub cf::object::player::enter_exit {
2001	my ($self, $exit) = @_;	2859	my ($self, $exit) = @_;
2002		2860
2003	return unless $self->type == cf::PLAYER;	2861	return unless $self->type == cf::PLAYER;
2004		2862
2005	if ($exit->slaying eq "/!") {
2006	#TODO: this should de-fi-ni-te-ly not be a sync-job
2007	# the problem is that $exit might not survive long enough
2008	# so it needs to be done right now, right here
2009	cf::sync_job { prepare_random_map $exit };
2010	}
2011
2012	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2013	my $hp = $exit->stats->hp;
2014	my $sp = $exit->stats->sp;
2015
2016	$self->enter_link;	2863	$self->enter_link;
2017		2864
2018	(async {	2865	(async {
2019	$self->deactivate_recursive; # just to be sure	2866	$Coro::current->{desc} = "enter_exit";
		2867
2020	unless (eval {	2868	unless (eval {
		2869	$self->deactivate_recursive; # just to be sure
		2870
		2871	# random map handling
		2872	{
		2873	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2874
		2875	prepare_random_map $exit
		2876	if $exit->slaying eq "/!";
		2877	}
		2878
		2879	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2880	my $x = $exit->stats->hp;
		2881	my $y = $exit->stats->sp;
		2882
2021	$self->goto ($slaying, $hp, $sp);	2883	$self->goto ($map, $x, $y);
2022		2884
		2885	# if exit is damned, update players death & WoR home-position
		2886	$self->contr->savebed ($map, $x, $y)
		2887	if $exit->flag (cf::FLAG_DAMNED);
		2888
2023	1;	2889	1
2024	}) {	2890	}) {
2025	$self->message ("Something went wrong deep within the crossfire server. "	2891	$self->message ("Something went wrong deep within the deliantra server. "
2026	. "I'll try to bring you back to the map you were before. "	2892	. "I'll try to bring you back to the map you were before. "
2027	. "Please report this to the dungeon master!",	2893	. "Please report this to the dungeon master!",
2028	cf::NDI_UNIQUE | cf::NDI_RED);	2894	cf::NDI_UNIQUE | cf::NDI_RED);
2029		2895
2030	warn "ERROR in enter_exit: $@";	2896	error "ERROR in enter_exit: $@";
2031	$self->leave_link;	2897	$self->leave_link;
2032	}	2898	}
2033	})->prio (1);	2899	})->prio (1);
2034	}	2900	}
2035		2901
…		…
2049		2915
2050	utf8::encode $text;	2916	utf8::encode $text;
2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2917	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2052	}	2918	}
2053		2919
		2920	=item $client->send_big_packet ($pkt)
		2921
		2922	Like C<send_packet>, but tries to compress large packets, and fragments
		2923	them as required.
		2924
		2925	=cut
		2926
		2927	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2928
		2929	sub cf::client::send_big_packet {
		2930	my ($self, $pkt) = @_;
		2931
		2932	# try lzf for large packets
		2933	$pkt = "lzf " . Compress::LZF::compress $pkt
		2934	if 1024 <= length $pkt and $self->{can_lzf};
		2935
		2936	# split very large packets
		2937	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2938	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2939	$pkt = "frag";
		2940	}
		2941
		2942	$self->send_packet ($pkt);
		2943	}
		2944
		2945	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2946
		2947	Send a drawinfo or msg packet to the client, formatting the msg for the
		2948	client if neccessary. C<$type> should be a string identifying the type of
		2949	the message, with C<log> being the default. If C<$color> is negative, suppress
		2950	the message unless the client supports the msg packet.
		2951
		2952	=cut
		2953
		2954	# non-persistent channels (usually the info channel)
		2955	our %CHANNEL = (
		2956	"c/motd" => {
		2957	id => "infobox",
		2958	title => "MOTD",
		2959	reply => undef,
		2960	tooltip => "The message of the day",
		2961	},
		2962	"c/identify" => {
		2963	id => "infobox",
		2964	title => "Identify",
		2965	reply => undef,
		2966	tooltip => "Items recently identified",
		2967	},
		2968	"c/examine" => {
		2969	id => "infobox",
		2970	title => "Examine",
		2971	reply => undef,
		2972	tooltip => "Signs and other items you examined",
		2973	},
		2974	"c/shopinfo" => {
		2975	id => "infobox",
		2976	title => "Shop Info",
		2977	reply => undef,
		2978	tooltip => "What your bargaining skill tells you about the shop",
		2979	},
		2980	"c/book" => {
		2981	id => "infobox",
		2982	title => "Book",
		2983	reply => undef,
		2984	tooltip => "The contents of a note or book",
		2985	},
		2986	"c/lookat" => {
		2987	id => "infobox",
		2988	title => "Look",
		2989	reply => undef,
		2990	tooltip => "What you saw there",
		2991	},
		2992	"c/who" => {
		2993	id => "infobox",
		2994	title => "Players",
		2995	reply => undef,
		2996	tooltip => "Shows players who are currently online",
		2997	},
		2998	"c/body" => {
		2999	id => "infobox",
		3000	title => "Body Parts",
		3001	reply => undef,
		3002	tooltip => "Shows which body parts you posess and are available",
		3003	},
		3004	"c/statistics" => {
		3005	id => "infobox",
		3006	title => "Statistics",
		3007	reply => undef,
		3008	tooltip => "Shows your primary statistics",
		3009	},
		3010	"c/skills" => {
		3011	id => "infobox",
		3012	title => "Skills",
		3013	reply => undef,
		3014	tooltip => "Shows your experience per skill and item power",
		3015	},
		3016	"c/shopitems" => {
		3017	id => "infobox",
		3018	title => "Shop Items",
		3019	reply => undef,
		3020	tooltip => "Shows the items currently for sale in this shop",
		3021	},
		3022	"c/resistances" => {
		3023	id => "infobox",
		3024	title => "Resistances",
		3025	reply => undef,
		3026	tooltip => "Shows your resistances",
		3027	},
		3028	"c/pets" => {
		3029	id => "infobox",
		3030	title => "Pets",
		3031	reply => undef,
		3032	tooltip => "Shows information abotu your pets/a specific pet",
		3033	},
		3034	"c/perceiveself" => {
		3035	id => "infobox",
		3036	title => "Perceive Self",
		3037	reply => undef,
		3038	tooltip => "You gained detailed knowledge about yourself",
		3039	},
		3040	"c/uptime" => {
		3041	id => "infobox",
		3042	title => "Uptime",
		3043	reply => undef,
		3044	tooltip => "How long the server has been running since last restart",
		3045	},
		3046	"c/mapinfo" => {
		3047	id => "infobox",
		3048	title => "Map Info",
		3049	reply => undef,
		3050	tooltip => "Information related to the maps",
		3051	},
		3052	"c/party" => {
		3053	id => "party",
		3054	title => "Party",
		3055	reply => "gsay ",
		3056	tooltip => "Messages and chat related to your party",
		3057	},
		3058	"c/death" => {
		3059	id => "death",
		3060	title => "Death",
		3061	reply => undef,
		3062	tooltip => "Reason for and more info about your most recent death",
		3063	},
		3064	"c/say" => $SAY_CHANNEL,
		3065	"c/chat" => $CHAT_CHANNEL,
		3066	);
		3067
		3068	sub cf::client::send_msg {
		3069	my ($self, $channel, $msg, $color, @extra) = @_;
		3070
		3071	$msg = $self->pl->expand_cfpod ($msg)
		3072	unless $color & cf::NDI_VERBATIM;
		3073
		3074	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3075
		3076	# check predefined channels, for the benefit of C
		3077	if ($CHANNEL{$channel}) {
		3078	$channel = $CHANNEL{$channel};
		3079
		3080	$self->ext_msg (channel_info => $channel);
		3081	$channel = $channel->{id};
		3082
		3083	} elsif (ref $channel) {
		3084	# send meta info to client, if not yet sent
		3085	unless (exists $self->{channel}{$channel->{id}}) {
		3086	$self->{channel}{$channel->{id}} = $channel;
		3087	$self->ext_msg (channel_info => $channel);
		3088	}
		3089
		3090	$channel = $channel->{id};
		3091	}
		3092
		3093	return unless @extra || length $msg;
		3094
		3095	# default colour, mask it out
		3096	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3097	if $color & cf::NDI_DEF;
		3098
		3099	my $pkt = "msg "
		3100	. $self->{json_coder}->encode (
		3101	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3102	);
		3103
		3104	$self->send_big_packet ($pkt);
		3105	}
		3106
2054	=item $client->ext_event ($type, %msg)	3107	=item $client->ext_msg ($type, @msg)
2055		3108
2056	Sends an exti event to the client.	3109	Sends an ext event to the client.
2057		3110
2058	=cut	3111	=cut
2059		3112
2060	sub cf::client::ext_event($$%) {	3113	sub cf::client::ext_msg($$@) {
2061	my ($self, $type, %msg) = @_;	3114	my ($self, $type, @msg) = @_;
2062		3115
		3116	if ($self->extcmd == 2) {
		3117	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3118	} elsif ($self->extcmd == 1) { # TODO: remove
2063	$msg{msgtype} = "event_$type";	3119	push @msg, msgtype => "event_$type";
2064	$self->send_packet ("ext " . cf::to_json \%msg);	3120	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3121	}
		3122	}
		3123
		3124	=item $client->ext_reply ($msgid, @msg)
		3125
		3126	Sends an ext reply to the client.
		3127
		3128	=cut
		3129
		3130	sub cf::client::ext_reply($$@) {
		3131	my ($self, $id, @msg) = @_;
		3132
		3133	if ($self->extcmd == 2) {
		3134	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3135	} elsif ($self->extcmd == 1) {
		3136	#TODO: version 1, remove
		3137	unshift @msg, msgtype => "reply", msgid => $id;
		3138	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3139	}
2065	}	3140	}
2066		3141
2067	=item $success = $client->query ($flags, "text", \&cb)	3142	=item $success = $client->query ($flags, "text", \&cb)
2068		3143
2069	Queues a query to the client, calling the given callback with	3144	Queues a query to the client, calling the given callback with
2070	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3145	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2071	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3146	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2072		3147
2073	Queries can fail, so check the return code. Or don't, as queries will become	3148	Queries can fail, so check the return code. Or don't, as queries will
2074	reliable at some point in the future.	3149	become reliable at some point in the future.
2075		3150
2076	=cut	3151	=cut
2077		3152
2078	sub cf::client::query {	3153	sub cf::client::query {
2079	my ($self, $flags, $text, $cb) = @_;	3154	my ($self, $flags, $text, $cb) = @_;
…		…
2087	utf8::encode $text;	3162	utf8::encode $text;
2088	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3163	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089		3164
2090	$self->send_packet ($self->{query_queue}[0][0])	3165	$self->send_packet ($self->{query_queue}[0][0])
2091	if @{ $self->{query_queue} } == 1;	3166	if @{ $self->{query_queue} } == 1;
		3167
		3168	1
2092	}	3169	}
2093		3170
2094	cf::client->attach (	3171	cf::client->attach (
		3172	on_connect => sub {
		3173	my ($ns) = @_;
		3174
		3175	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3176	},
2095	on_reply => sub {	3177	on_reply => sub {
2096	my ($ns, $msg) = @_;	3178	my ($ns, $msg) = @_;
2097		3179
2098	# this weird shuffling is so that direct followup queries	3180	# this weird shuffling is so that direct followup queries
2099	# get handled first	3181	# get handled first
…		…
2111	} else {	3193	} else {
2112	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3194	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113	}	3195	}
2114	}	3196	}
2115	},	3197	},
		3198	on_exticmd => sub {
		3199	my ($ns, $buf) = @_;
		3200
		3201	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3202
		3203	if (ref $msg) {
		3204	my ($type, $reply, @payload) =
		3205	"ARRAY" eq ref $msg
		3206	? @$msg
		3207	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3208
		3209	my @reply;
		3210
		3211	if (my $cb = $EXTICMD{$type}) {
		3212	@reply = $cb->($ns, @payload);
		3213	}
		3214
		3215	$ns->ext_reply ($reply, @reply)
		3216	if $reply;
		3217
		3218	} else {
		3219	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3220	}
		3221
		3222	cf::override;
		3223	},
2116	);	3224	);
2117		3225
2118	=item $client->async (\&cb)	3226	=item $client->async (\&cb)
2119		3227
2120	Create a new coroutine, running the specified callback. The coroutine will	3228	Create a new coroutine, running the specified callback. The coroutine will
…		…
2136		3244
2137	$coro	3245	$coro
2138	}	3246	}
2139		3247
2140	cf::client->attach (	3248	cf::client->attach (
2141	on_destroy => sub {	3249	on_client_destroy => sub {
2142	my ($ns) = @_;	3250	my ($ns) = @_;
2143		3251
2144	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3252	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2145	},	3253	},
2146	);	3254	);
…		…
2161	our $safe = new Safe "safe";	3269	our $safe = new Safe "safe";
2162	our $safe_hole = new Safe::Hole;	3270	our $safe_hole = new Safe::Hole;
2163		3271
2164	$SIG{FPE} = 'IGNORE';	3272	$SIG{FPE} = 'IGNORE';
2165		3273
2166	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3274	$safe->permit_only (Opcode::opset qw(
		3275	:base_core :base_mem :base_orig :base_math :base_loop
		3276	grepstart grepwhile mapstart mapwhile
		3277	sort time
		3278	));
2167		3279
2168	# here we export the classes and methods available to script code	3280	# here we export the classes and methods available to script code
2169		3281
2170	=pod	3282	=pod
2171		3283
2172	The following functions and methods are available within a safe environment:	3284	The following functions and methods are available within a safe environment:
2173		3285
2174	cf::object contr pay_amount pay_player map	3286	cf::object
		3287	contr pay_amount pay_player map x y force_find force_add destroy
		3288	insert remove name archname title slaying race decrease split
		3289	value
		3290
2175	cf::object::player player	3291	cf::object::player
2176	cf::player peaceful	3292	player
2177	cf::map trigger	3293
		3294	cf::player
		3295	peaceful
		3296
		3297	cf::map
		3298	trigger
2178		3299
2179	=cut	3300	=cut
2180		3301
2181	for (	3302	for (
2182	["cf::object" => qw(contr pay_amount pay_player map)],	3303	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3304	insert remove inv nrof name archname title slaying race
		3305	decrease split destroy change_exp value msg lore send_msg)],
2183	["cf::object::player" => qw(player)],	3306	["cf::object::player" => qw(player)],
2184	["cf::player" => qw(peaceful)],	3307	["cf::player" => qw(peaceful send_msg)],
2185	["cf::map" => qw(trigger)],	3308	["cf::map" => qw(trigger)],
2186	) {	3309	) {
2187	no strict 'refs';
2188	my ($pkg, @funs) = @$_;	3310	my ($pkg, @funs) = @$_;
2189	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3311	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2190	for @funs;	3312	for @funs;
2191	}	3313	}
2192		3314
…		…
2207		3329
2208	my $qcode = $code;	3330	my $qcode = $code;
2209	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3331	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2210	$qcode =~ s/\n/\\n/g;	3332	$qcode =~ s/\n/\\n/g;
2211		3333
		3334	%vars = (_dummy => 0) unless %vars;
		3335
		3336	my @res;
2212	local $_;	3337	local $_;
2213	local @safe::cf::_safe_eval_args = values %vars;
2214		3338
2215	my $eval =	3339	my $eval =
2216	"do {\n"	3340	"do {\n"
2217	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3341	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2218	. "#line 0 \"{$qcode}\"\n"	3342	. "#line 0 \"{$qcode}\"\n"
2219	. $code	3343	. $code
2220	. "\n}"	3344	. "\n}"
2221	;	3345	;
2222		3346
		3347	if ($CFG{safe_eval}) {
2223	sub_generation_inc;	3348	sub_generation_inc;
		3349	local @safe::cf::_safe_eval_args = values %vars;
2224	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3350	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2225	sub_generation_inc;	3351	sub_generation_inc;
		3352	} else {
		3353	local @cf::_safe_eval_args = values %vars;
		3354	@res = wantarray ? eval eval : scalar eval $eval;
		3355	}
2226		3356
2227	if ($@) {	3357	if ($@) {
2228	warn "$@";	3358	warn "$@",
2229	warn "while executing safe code '$code'\n";	3359	"while executing safe code '$code'\n",
2230	warn "with arguments " . (join " ", %vars) . "\n";	3360	"with arguments " . (join " ", %vars) . "\n";
2231	}	3361	}
2232		3362
2233	wantarray ? @res : $res[0]	3363	wantarray ? @res : $res[0]
2234	}	3364	}
2235		3365
…		…
2249	=cut	3379	=cut
2250		3380
2251	sub register_script_function {	3381	sub register_script_function {
2252	my ($fun, $cb) = @_;	3382	my ($fun, $cb) = @_;
2253		3383
2254	no strict 'refs';	3384	$fun = "safe::$fun" if $CFG{safe_eval};
2255	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3385	*$fun = $safe_hole->wrap ($cb);
2256	}	3386	}
2257		3387
2258	=back	3388	=back
2259		3389
2260	=cut	3390	=cut
2261
2262	#############################################################################
2263
2264	=head2 EXTENSION DATABASE SUPPORT
2265
2266	Crossfire maintains a very simple database for extension use. It can
2267	currently store anything that can be serialised using Storable, which
2268	excludes objects.
2269
2270	The parameter C<$family> should best start with the name of the extension
2271	using it, it should be unique.
2272
2273	=over 4
2274
2275	=item $value = cf::db_get $family => $key
2276
2277	Returns a single value from the database.
2278
2279	=item cf::db_put $family => $key => $value
2280
2281	Stores the given C<$value> in the family.
2282
2283	=cut
2284
2285	our $DB;
2286
2287	sub db_init {
2288	unless ($DB) {
2289	$DB = BDB::db_create $DB_ENV;
2290
2291	cf::sync_job {
2292	eval {
2293	$DB->set_flags (BDB::CHKSUM);
2294
2295	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2296	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2297	cf::cleanup "db_open(db): $!" if $!;
2298	};
2299	cf::cleanup "db_open(db): $@" if $@;
2300	};
2301
2302	my $path = cf::localdir . "/database.pst";
2303	if (stat $path) {
2304	cf::sync_job {
2305	my $pst = Storable::retrieve $path;
2306
2307	cf::db_put (board => data => $pst->{board});
2308	cf::db_put (guildrules => data => $pst->{guildrules});
2309	cf::db_put (rent => balance => $pst->{rent}{balance});
2310	BDB::db_env_txn_checkpoint $DB_ENV;
2311
2312	unlink $path;
2313	};
2314	}
2315	}
2316	}
2317
2318	sub db_get($$) {
2319	my $key = "$_[0]/$_[1]";
2320
2321	cf::sync_job {
2322	BDB::db_get $DB, undef, $key, my $data;
2323
2324	$! ? ()
2325	: Compress::LZF::sthaw $data
2326	}
2327	}
2328
2329	sub db_put($$$) {
2330	BDB::dbreq_pri 4;
2331	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2332	}
2333		3391
2334	#############################################################################	3392	#############################################################################
2335	# the server's init and main functions	3393	# the server's init and main functions
2336		3394
2337	sub load_facedata {	3395	sub load_facedata($) {
2338	my $path = sprintf "%s/facedata", cf::datadir;	3396	my ($path) = @_;
2339		3397
		3398	# HACK to clear player env face cache, we need some signal framework
		3399	# for this (global event?)
		3400	%ext::player_env::MUSIC_FACE_CACHE = ();
		3401
		3402	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3403
2340	warn "loading facedata from $path\n";	3404	trace "loading facedata from $path\n";
2341		3405
2342	my $facedata;
2343	0 < aio_load $path, $facedata	3406	0 < aio_load $path, my $facedata
2344	or die "$path: $!";	3407	or die "$path: $!";
2345		3408
2346	$facedata = Coro::Storable::thaw $facedata;	3409	$facedata = Coro::Storable::thaw $facedata;
2347		3410
2348	$facedata->{version} == 2	3411	$facedata->{version} == 2
2349	or cf::cleanup "$path: version mismatch, cannot proceed.";	3412	or cf::cleanup "$path: version mismatch, cannot proceed.";
2350		3413
		3414	# patch in the exptable
		3415	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3416	$facedata->{resource}{"res/exp_table"} = {
		3417	type => FT_RSRC,
		3418	data => $exp_table,
		3419	hash => (Digest::MD5::md5 $exp_table),
		3420	};
		3421	cf::cede_to_tick;
		3422
2351	{	3423	{
2352	my $faces = $facedata->{faceinfo};	3424	my $faces = $facedata->{faceinfo};
2353		3425
2354	while (my ($face, $info) = each %$faces) {	3426	while (my ($face, $info) = each %$faces) {
2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3427	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3428
2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3429	cf::face::set_visibility $idx, $info->{visibility};
		3430	cf::face::set_magicmap $idx, $info->{magicmap};
2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3431	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3432	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2359	Coro::cede;	3433	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3434
		3435	cf::cede_to_tick;
2360	}	3436	}
2361		3437
2362	while (my ($face, $info) = each %$faces) {	3438	while (my ($face, $info) = each %$faces) {
2363	next unless $info->{smooth};	3439	next unless $info->{smooth};
		3440
2364	my $idx = cf::face::find $face	3441	my $idx = cf::face::find $face
2365	or next;	3442	or next;
		3443
2366	if (my $smooth = cf::face::find $info->{smooth}) {	3444	if (my $smooth = cf::face::find $info->{smooth}) {
		3445	cf::face::set_smooth $idx, $smooth;
2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3446	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2368	} else {	3447	} else {
2369	warn "smooth face '$info->{smooth}' not found for face '$face'";	3448	error "smooth face '$info->{smooth}' not found for face '$face'";
2370	}	3449	}
2371	Coro::cede;	3450
		3451	cf::cede_to_tick;
2372	}	3452	}
2373	}	3453	}
2374		3454
2375	{	3455	{
2376	my $anims = $facedata->{animinfo};	3456	my $anims = $facedata->{animinfo};
2377		3457
2378	while (my ($anim, $info) = each %$anims) {	3458	while (my ($anim, $info) = each %$anims) {
2379	cf::anim::set $anim, $info->{frames}, $info->{facings};	3459	cf::anim::set $anim, $info->{frames}, $info->{facings};
2380	Coro::cede;	3460	cf::cede_to_tick;
2381	}	3461	}
2382		3462
2383	cf::anim::invalidate_all; # d'oh	3463	cf::anim::invalidate_all; # d'oh
2384	}	3464	}
2385		3465
		3466	{
		3467	my $res = $facedata->{resource};
		3468
		3469	while (my ($name, $info) = each %$res) {
		3470	if (defined $info->{type}) {
		3471	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3472
		3473	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3474	cf::face::set_type $idx, $info->{type};
		3475	} else {
		3476	$RESOURCE{$name} = $info; # unused
		3477	}
		3478
		3479	cf::cede_to_tick;
		3480	}
		3481	}
		3482
		3483	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3484
2386	1	3485	1
2387	}	3486	}
2388		3487
		3488	register_exticmd fx_want => sub {
		3489	my ($ns, $want) = @_;
		3490
		3491	while (my ($k, $v) = each %$want) {
		3492	$ns->fx_want ($k, $v);
		3493	}
		3494	};
		3495
		3496	sub load_resource_file($) {
		3497	my $guard = lock_acquire "load_resource_file";
		3498
		3499	my $status = load_resource_file_ $_[0];
		3500	get_slot 0.1, 100;
		3501	cf::arch::commit_load;
		3502
		3503	$status
		3504	}
		3505
		3506	sub reload_regions {
		3507	# HACK to clear player env face cache, we need some signal framework
		3508	# for this (global event?)
		3509	%ext::player_env::MUSIC_FACE_CACHE = ();
		3510
		3511	load_resource_file "$MAPDIR/regions"
		3512	or die "unable to load regions file\n";
		3513
		3514	for (cf::region::list) {
		3515	$_->{match} = qr/$_->{match}/
		3516	if exists $_->{match};
		3517	}
		3518	}
		3519
		3520	sub reload_facedata {
		3521	load_facedata "$DATADIR/facedata"
		3522	or die "unable to load facedata\n";
		3523	}
		3524
		3525	sub reload_archetypes {
		3526	load_resource_file "$DATADIR/archetypes"
		3527	or die "unable to load archetypes\n";
		3528	}
		3529
		3530	sub reload_treasures {
		3531	load_resource_file "$DATADIR/treasures"
		3532	or die "unable to load treasurelists\n";
		3533	}
		3534
		3535	sub reload_sound {
		3536	trace "loading sound config from $DATADIR/sound\n";
		3537
		3538	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3539	or die "$DATADIR/sound $!";
		3540
		3541	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3542
		3543	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3544	my $sound = $soundconf->{compat}[$_]
		3545	or next;
		3546
		3547	my $face = cf::face::find "sound/$sound->[1]";
		3548	cf::sound::set $sound->[0] => $face;
		3549	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3550	}
		3551
		3552	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3553	my $face = cf::face::find "sound/$v";
		3554	cf::sound::set $k => $face;
		3555	}
		3556	}
		3557
2389	sub reload_resources {	3558	sub reload_resources {
2390	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3559	trace "reloading resource files...\n";
2391	or die "unable to load regions file\n";#d#	3560
		3561	reload_exp_table;
		3562	reload_materials;
2392	load_facedata	3563	reload_facedata;
2393	or die "unable to load facedata\n";#d#	3564	reload_sound;
2394	}	3565	reload_archetypes;
2395
2396	sub init {
2397	reload_resources;	3566	reload_regions;
2398	}	3567	reload_treasures;
2399		3568
2400	sub cfg_load {	3569	trace "finished reloading resource files\n";
2401	open my $fh, "<:utf8", cf::confdir . "/config"	3570	}
2402	or return;
2403		3571
2404	local $/;	3572	sub reload_config {
2405	*CFG = YAML::Syck::Load <$fh>;	3573	trace "reloading config file...\n";
2406		3574
		3575	0 < aio_load "$CONFDIR/config", my $config
		3576	or die "$CONFDIR/config: $!";
		3577
		3578	utf8::decode $config;
		3579	*CFG = yaml_load $config;
		3580
2407	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3581	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2408		3582
2409	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3583	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2410	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3584	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2411		3585
2412	if (exists $CFG{mlockall}) {	3586	if (exists $CFG{mlockall}) {
…		…
2416	};	3590	};
2417	warn $@ if $@;	3591	warn $@ if $@;
2418	}	3592	}
2419	}	3593	}
2420		3594
		3595	sub pidfile() {
		3596	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3597	or die "$PIDFILE: $!";
		3598	flock $fh, &Fcntl::LOCK_EX
		3599	or die "$PIDFILE: flock: $!";
		3600	$fh
		3601	}
		3602
		3603	# make sure only one server instance is running at any one time
		3604	sub atomic {
		3605	my $fh = pidfile;
		3606
		3607	my $pid = <$fh>;
		3608	kill 9, $pid if $pid > 0;
		3609
		3610	seek $fh, 0, 0;
		3611	print $fh $$;
		3612	}
		3613
		3614	sub main_loop {
		3615	trace "EV::loop starting\n";
		3616	if (1) {
		3617	EV::loop;
		3618	}
		3619	trace "EV::loop returned\n";
		3620	goto &main_loop unless $REALLY_UNLOOP;
		3621	}
		3622
2421	sub main {	3623	sub main {
		3624	cf::init_globals; # initialise logging
		3625
		3626	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3627	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3628	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3629	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3630
		3631	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3632
2422	# we must not ever block the main coroutine	3633	# we must not ever block the main coroutine
2423	local $Coro::idle = sub {	3634	local $Coro::idle = sub {
2424	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3635	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2425	(async {	3636	(async {
2426	Event::one_event;	3637	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3638	EV::loop EV::LOOP_ONESHOT;
2427	})->prio (Coro::PRIO_MAX);	3639	})->prio (Coro::PRIO_MAX);
2428	};	3640	};
2429		3641
2430	cfg_load;	3642	evthread_start IO::AIO::poll_fileno;
		3643
		3644	cf::sync_job {
		3645	cf::incloader::init ();
		3646
		3647	cf::init_anim;
		3648	cf::init_attackmess;
		3649	cf::init_dynamic;
		3650
		3651	cf::load_settings;
		3652
		3653	reload_resources;
		3654	reload_config;
2431	db_init;	3655	db_init;
		3656
		3657	cf::init_uuid;
		3658	cf::init_signals;
		3659	cf::init_skills;
		3660
		3661	cf::init_beforeplay;
		3662
		3663	atomic;
		3664
2432	load_extensions;	3665	load_extensions;
2433		3666
2434	$TICK_WATCHER->start;	3667	utime time, time, $RUNTIMEFILE;
2435	Event::loop;	3668
		3669	# no (long-running) fork's whatsoever before this point(!)
		3670	use POSIX ();
		3671	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3672
		3673	cf::_post_init 0;
		3674	};
		3675
		3676	cf::object::thawer::errors_are_fatal 0;
		3677	info "parse errors in files are no longer fatal from this point on.\n";
		3678
		3679	my $free_main; $free_main = EV::idle sub {
		3680	undef $free_main;
		3681	undef &main; # free gobs of memory :)
		3682	};
		3683
		3684	goto &main_loop;
2436	}	3685	}
2437		3686
2438	#############################################################################	3687	#############################################################################
2439	# initialisation and cleanup	3688	# initialisation and cleanup
2440		3689
2441	# install some emergency cleanup handlers	3690	# install some emergency cleanup handlers
2442	BEGIN {	3691	BEGIN {
		3692	our %SIGWATCHER = ();
2443	for my $signal (qw(INT HUP TERM)) {	3693	for my $signal (qw(INT HUP TERM)) {
2444	Event->signal (	3694	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2445	reentrant => 0,
2446	data => WF_AUTOCANCEL,
2447	signal => $signal,
2448	prio => 0,
2449	cb => sub {
2450	cf::cleanup "SIG$signal";	3695	cf::cleanup "SIG$signal";
2451	},
2452	);	3696	};
		3697	}
		3698	}
		3699
		3700	sub write_runtime_sync {
		3701	my $t0 = AE::time;
		3702
		3703	# first touch the runtime file to show we are still running:
		3704	# the fsync below can take a very very long time.
		3705
		3706	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3707
		3708	my $guard = cf::lock_acquire "write_runtime";
		3709
		3710	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3711	or return;
		3712
		3713	my $value = $cf::RUNTIME + 90 + 10;
		3714	# 10 is the runtime save interval, for a monotonic clock
		3715	# 60 allows for the watchdog to kill the server.
		3716
		3717	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3718	and return;
		3719
		3720	# always fsync - this file is important
		3721	aio_fsync $fh
		3722	and return;
		3723
		3724	# touch it again to show we are up-to-date
		3725	aio_utime $fh, undef, undef;
		3726
		3727	close $fh
		3728	or return;
		3729
		3730	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3731	and return;
		3732
		3733	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3734
2453	}	3735	1
		3736	}
		3737
		3738	our $uuid_lock;
		3739	our $uuid_skip;
		3740
		3741	sub write_uuid_sync($) {
		3742	$uuid_skip ||= $_[0];
		3743
		3744	return if $uuid_lock;
		3745	local $uuid_lock = 1;
		3746
		3747	my $uuid = "$LOCALDIR/uuid";
		3748
		3749	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3750	or return;
		3751
		3752	my $value = uuid_seq uuid_cur;
		3753
		3754	unless ($value) {
		3755	info "cowardly refusing to write zero uuid value!\n";
		3756	return;
		3757	}
		3758
		3759	my $value = uuid_str $value + $uuid_skip;
		3760	$uuid_skip = 0;
		3761
		3762	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3763	and return;
		3764
		3765	# always fsync - this file is important
		3766	aio_fsync $fh
		3767	and return;
		3768
		3769	close $fh
		3770	or return;
		3771
		3772	aio_rename "$uuid~", $uuid
		3773	and return;
		3774
		3775	trace "uuid file written ($value).\n";
		3776
		3777	1
		3778
		3779	}
		3780
		3781	sub write_uuid($$) {
		3782	my ($skip, $sync) = @_;
		3783
		3784	$sync ? write_uuid_sync $skip
		3785	: async { write_uuid_sync $skip };
2454	}	3786	}
2455		3787
2456	sub emergency_save() {	3788	sub emergency_save() {
2457	my $freeze_guard = cf::freeze_mainloop;	3789	my $freeze_guard = cf::freeze_mainloop;
2458		3790
2459	warn "enter emergency perl save\n";	3791	info "emergency_perl_save: enter\n";
		3792
		3793	# this is a trade-off: we want to be very quick here, so
		3794	# save all maps without fsync, and later call a global sync
		3795	# (which in turn might be very very slow)
		3796	local $USE_FSYNC = 0;
2460		3797
2461	cf::sync_job {	3798	cf::sync_job {
		3799	cf::write_runtime_sync; # external watchdog should not bark
		3800
2462	# use a peculiar iteration method to avoid tripping on perl	3801	# use a peculiar iteration method to avoid tripping on perl
2463	# refcount bugs in for. also avoids problems with players	3802	# refcount bugs in for. also avoids problems with players
2464	# and maps saved/destroyed asynchronously.	3803	# and maps saved/destroyed asynchronously.
2465	warn "begin emergency player save\n";	3804	info "emergency_perl_save: begin player save\n";
2466	for my $login (keys %cf::PLAYER) {	3805	for my $login (keys %cf::PLAYER) {
2467	my $pl = $cf::PLAYER{$login} or next;	3806	my $pl = $cf::PLAYER{$login} or next;
2468	$pl->valid or next;	3807	$pl->valid or next;
		3808	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2469	$pl->save;	3809	$pl->save;
2470	}	3810	}
2471	warn "end emergency player save\n";	3811	info "emergency_perl_save: end player save\n";
2472		3812
2473	warn "begin emergency map save\n";	3813	cf::write_runtime_sync; # external watchdog should not bark
		3814
		3815	info "emergency_perl_save: begin map save\n";
2474	for my $path (keys %cf::MAP) {	3816	for my $path (keys %cf::MAP) {
2475	my $map = $cf::MAP{$path} or next;	3817	my $map = $cf::MAP{$path} or next;
2476	$map->valid or next;	3818	$map->valid or next;
2477	$map->save;	3819	$map->save;
2478	}	3820	}
2479	warn "end emergency map save\n";	3821	info "emergency_perl_save: end map save\n";
2480		3822
2481	warn "begin emergency database checkpoint\n";	3823	cf::write_runtime_sync; # external watchdog should not bark
		3824
		3825	info "emergency_perl_save: begin database checkpoint\n";
2482	BDB::db_env_txn_checkpoint $DB_ENV;	3826	BDB::db_env_txn_checkpoint $DB_ENV;
2483	warn "end emergency database checkpoint\n";	3827	info "emergency_perl_save: end database checkpoint\n";
		3828
		3829	info "emergency_perl_save: begin write uuid\n";
		3830	write_uuid_sync 1;
		3831	info "emergency_perl_save: end write uuid\n";
		3832
		3833	cf::write_runtime_sync; # external watchdog should not bark
		3834
		3835	trace "emergency_perl_save: syncing database to disk";
		3836	BDB::db_env_txn_checkpoint $DB_ENV;
		3837
		3838	info "emergency_perl_save: starting sync\n";
		3839	IO::AIO::aio_sync sub {
		3840	info "emergency_perl_save: finished sync\n";
		3841	};
		3842
		3843	cf::write_runtime_sync; # external watchdog should not bark
		3844
		3845	trace "emergency_perl_save: flushing outstanding aio requests";
		3846	while (IO::AIO::nreqs || BDB::nreqs) {
		3847	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3848	}
		3849
		3850	cf::write_runtime_sync; # external watchdog should not bark
2484	};	3851	};
2485		3852
2486	warn "leave emergency perl save\n";	3853	info "emergency_perl_save: leave\n";
2487	}	3854	}
2488		3855
2489	sub post_cleanup {	3856	sub post_cleanup {
2490	my ($make_core) = @_;	3857	my ($make_core) = @_;
2491		3858
		3859	IO::AIO::flush;
		3860
2492	warn Carp::longmess "post_cleanup backtrace"	3861	error Carp::longmess "post_cleanup backtrace"
2493	if $make_core;	3862	if $make_core;
2494	}
2495		3863
		3864	my $fh = pidfile;
		3865	unlink $PIDFILE if <$fh> == $$;
		3866	}
		3867
		3868	# a safer delete_package, copied from Symbol
		3869	sub clear_package($) {
		3870	my $pkg = shift;
		3871
		3872	# expand to full symbol table name if needed
		3873	unless ($pkg =~ /^main::.*::$/) {
		3874	$pkg = "main$pkg" if $pkg =~ /^::/;
		3875	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3876	$pkg .= '::' unless $pkg =~ /::$/;
		3877	}
		3878
		3879	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3880	my $stem_symtab = *{$stem}{HASH};
		3881
		3882	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3883	or return;
		3884
		3885	# clear all symbols
		3886	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3887	for my $name (keys %$leaf_symtab) {
		3888	_gv_clear *{"$pkg$name"};
		3889	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3890	}
		3891	}
		3892
2496	sub reload() {	3893	sub do_reload_perl() {
2497	# can/must only be called in main	3894	# can/must only be called in main
2498	if ($Coro::current != $Coro::main) {	3895	unless (in_main) {
2499	warn "can only reload from main coroutine";	3896	error "can only reload from main coroutine";
2500	return;	3897	return;
2501	}	3898	}
2502		3899
2503	warn "reloading...";	3900	return if $RELOAD++;
2504		3901
2505	warn "entering sync_job";	3902	my $t1 = AE::time;
2506		3903
		3904	while ($RELOAD) {
		3905	cf::get_slot 0.1, -1, "reload_perl";
		3906	info "perl_reload: reloading...";
		3907
		3908	trace "perl_reload: entering sync_job";
		3909
2507	cf::sync_job {	3910	cf::sync_job {
2508	cf::write_runtime; # external watchdog should not bark
2509	cf::emergency_save;	3911	#cf::emergency_save;
2510	cf::write_runtime; # external watchdog should not bark
2511		3912
2512	warn "syncing database to disk";
2513	BDB::db_env_txn_checkpoint $DB_ENV;
2514
2515	# if anything goes wrong in here, we should simply crash as we already saved
2516
2517	warn "cancelling all WF_AUTOCANCEL watchers";
2518	for (Event::all_watchers) {
2519	$_->cancel if $_->data & WF_AUTOCANCEL;
2520	}
2521
2522	warn "flushing outstanding aio requests";
2523	for (;;) {
2524	BDB::flush;
2525	IO::AIO::flush;
2526	Coro::cede;
2527	last unless IO::AIO::nreqs || BDB::nreqs;
2528	warn "iterate...";
2529	}
2530
2531	++$RELOAD;
2532
2533	warn "cancelling all extension coros";	3913	trace "perl_reload: cancelling all extension coros";
2534	$_->cancel for values %EXT_CORO;	3914	$_->cancel for values %EXT_CORO;
2535	%EXT_CORO = ();	3915	%EXT_CORO = ();
2536		3916
2537	warn "removing commands";	3917	trace "perl_reload: removing commands";
2538	%COMMAND = ();	3918	%COMMAND = ();
2539		3919
2540	warn "removing ext commands";	3920	trace "perl_reload: removing ext/exti commands";
2541	%EXTCMD = ();	3921	%EXTCMD = ();
		3922	%EXTICMD = ();
2542		3923
2543	warn "unloading/nuking all extensions";	3924	trace "perl_reload: unloading/nuking all extensions";
2544	for my $pkg (@EXTS) {	3925	for my $pkg (@EXTS) {
2545	warn "... unloading $pkg";	3926	trace "... unloading $pkg";
2546		3927
2547	if (my $cb = $pkg->can ("unload")) {	3928	if (my $cb = $pkg->can ("unload")) {
2548	eval {	3929	eval {
2549	$cb->($pkg);	3930	$cb->($pkg);
2550	1	3931	1
2551	} or warn "$pkg unloaded, but with errors: $@";	3932	} or error "$pkg unloaded, but with errors: $@";
		3933	}
		3934
		3935	trace "... clearing $pkg";
		3936	clear_package $pkg;
2552	}	3937	}
2553		3938
2554	warn "... nuking $pkg";
2555	Symbol::delete_package $pkg;
2556	}
2557
2558	warn "unloading all perl modules loaded from $LIBDIR";	3939	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2559	while (my ($k, $v) = each %INC) {	3940	while (my ($k, $v) = each %INC) {
2560	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3941	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2561		3942
2562	warn "... unloading $k";	3943	trace "... unloading $k";
2563	delete $INC{$k};	3944	delete $INC{$k};
2564		3945
2565	$k =~ s/\.pm$//;	3946	$k =~ s/\.pm$//;
2566	$k =~ s/\//::/g;	3947	$k =~ s/\//::/g;
2567		3948
2568	if (my $cb = $k->can ("unload_module")) {	3949	if (my $cb = $k->can ("unload_module")) {
2569	$cb->();	3950	$cb->();
		3951	}
		3952
		3953	clear_package $k;
2570	}	3954	}
2571		3955
2572	Symbol::delete_package $k;
2573	}
2574
2575	warn "getting rid of safe::, as good as possible";	3956	trace "perl_reload: getting rid of safe::, as good as possible";
2576	Symbol::delete_package "safe::$_"	3957	clear_package "safe::$_"
2577	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3958	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2578		3959
2579	warn "unloading cf.pm \"a bit\"";	3960	trace "perl_reload: unloading cf.pm \"a bit\"";
2580	delete $INC{"cf.pm"};	3961	delete $INC{"cf.pm"};
		3962	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2581		3963
2582	# don't, removes xs symbols, too,	3964	# don't, removes xs symbols, too,
2583	# and global variables created in xs	3965	# and global variables created in xs
2584	#Symbol::delete_package __PACKAGE__;	3966	#clear_package __PACKAGE__;
2585		3967
2586	warn "unload completed, starting to reload now";	3968	info "perl_reload: unload completed, starting to reload now";
2587		3969
2588	warn "reloading cf.pm";	3970	trace "perl_reload: reloading cf.pm";
2589	require cf;	3971	require cf;
2590	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3972	cf::_connect_to_perl_1;
2591		3973
2592	warn "loading config and database again";	3974	trace "perl_reload: loading config and database again";
2593	cf::cfg_load;	3975	cf::reload_config;
2594		3976
2595	warn "loading extensions";	3977	trace "perl_reload: loading extensions";
2596	cf::load_extensions;	3978	cf::load_extensions;
2597		3979
		3980	if ($REATTACH_ON_RELOAD) {
2598	warn "reattaching attachments to objects/players";	3981	trace "perl_reload: reattaching attachments to objects/players";
2599	_global_reattach; # objects, sockets	3982	_global_reattach; # objects, sockets
2600	warn "reattaching attachments to maps";	3983	trace "perl_reload: reattaching attachments to maps";
2601	reattach $_ for values %MAP;	3984	reattach $_ for values %MAP;
2602	warn "reattaching attachments to players";	3985	trace "perl_reload: reattaching attachments to players";
2603	reattach $_ for values %PLAYER;	3986	reattach $_ for values %PLAYER;
		3987	}
2604		3988
2605	warn "loading reloadable resources";	3989	cf::_post_init 1;
2606	reload_resources;
2607		3990
2608	warn "leaving sync_job";	3991	trace "perl_reload: leaving sync_job";
2609		3992
2610	1	3993	1
2611	} or do {	3994	} or do {
2612	warn $@;	3995	error $@;
2613	warn "error while reloading, exiting.";	3996	cf::cleanup "perl_reload: error, exiting.";
2614	exit 1;	3997	};
		3998
		3999	--$RELOAD;
		4000	}
		4001
		4002	$t1 = AE::time - $t1;
		4003	info "perl_reload: completed in ${t1}s\n";
		4004	};
		4005
		4006	our $RELOAD_WATCHER; # used only during reload
		4007
		4008	sub reload_perl() {
		4009	# doing reload synchronously and two reloads happen back-to-back,
		4010	# coro crashes during coro_state_free->destroy here.
		4011
		4012	$RELOAD_WATCHER ||= cf::async {
		4013	Coro::AIO::aio_wait cache_extensions;
		4014
		4015	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4016	do_reload_perl;
		4017	undef $RELOAD_WATCHER;
		4018	};
2615	};	4019	};
2616		4020	}
2617	warn "reloaded";
2618	};
2619
2620	our $RELOAD_WATCHER; # used only during reload
2621		4021
2622	register_command "reload" => sub {	4022	register_command "reload" => sub {
2623	my ($who, $arg) = @_;	4023	my ($who, $arg) = @_;
2624		4024
2625	if ($who->flag (FLAG_WIZ)) {	4025	if ($who->flag (FLAG_WIZ)) {
2626	$who->message ("reloading server.");	4026	$who->message ("reloading server.");
2627		4027	async {
2628	# doing reload synchronously and two reloads happen back-to-back,	4028	$Coro::current->{desc} = "perl_reload";
2629	# coro crashes during coro_state_free->destroy here.
2630
2631	$RELOAD_WATCHER ||= Event->timer (
2632	reentrant => 0,
2633	after => 0,
2634	data => WF_AUTOCANCEL,
2635	cb => sub {
2636	reload;	4029	reload_perl;
2637	undef $RELOAD_WATCHER;
2638	},
2639	);	4030	};
2640	}	4031	}
2641	};	4032	};
2642		4033
2643	unshift @INC, $LIBDIR;	4034	#############################################################################
2644		4035
2645	my $bug_warning = 0;	4036	my $bug_warning = 0;
2646		4037
2647	our @WAIT_FOR_TICK;	4038	our @WAIT_FOR_TICK;
2648	our @WAIT_FOR_TICK_BEGIN;	4039	our @WAIT_FOR_TICK_BEGIN;
2649		4040
2650	sub wait_for_tick {	4041	sub wait_for_tick() {
2651	return unless $TICK_WATCHER->is_active;	4042	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4043
2652	my $signal = new Coro::Signal;	4044	my $signal = new Coro::Signal;
2653	push @WAIT_FOR_TICK, $signal;	4045	push @WAIT_FOR_TICK, $signal;
2654	$signal->wait;	4046	$signal->wait;
2655	}	4047	}
2656		4048
2657	sub wait_for_tick_begin {	4049	sub wait_for_tick_begin() {
2658	return unless $TICK_WATCHER->is_active;	4050	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4051
2659	my $signal = new Coro::Signal;	4052	my $signal = new Coro::Signal;
2660	push @WAIT_FOR_TICK_BEGIN, $signal;	4053	push @WAIT_FOR_TICK_BEGIN, $signal;
2661	$signal->wait;	4054	$signal->wait;
2662	}	4055	}
2663		4056
2664	$TICK_WATCHER = Event->timer (	4057	sub tick {
2665	reentrant => 0,
2666	parked => 1,
2667	prio => 0,
2668	at => $NEXT_TICK || $TICK,
2669	data => WF_AUTOCANCEL,
2670	cb => sub {
2671	if ($Coro::current != $Coro::main) {	4058	if ($Coro::current != $Coro::main) {
2672	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4059	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2673	unless ++$bug_warning > 10;	4060	unless ++$bug_warning > 10;
2674	return;	4061	return;
2675	}	4062	}
2676		4063
2677	$NOW = Event::time;
2678
2679	cf::server_tick; # one server iteration	4064	cf::server_tick; # one server iteration
2680	$RUNTIME += $TICK;
2681	$NEXT_TICK += $TICK;
2682		4065
		4066	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4067
2683	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4068	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2684	$NEXT_RUNTIME_WRITE = $NOW + 10;	4069	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2685	Coro::async_pool {	4070	Coro::async_pool {
		4071	$Coro::current->{desc} = "runtime saver";
2686	write_runtime	4072	write_runtime_sync
2687	or warn "ERROR: unable to write runtime file: $!";	4073	or error "ERROR: unable to write runtime file: $!";
2688	};
2689	}	4074	};
		4075	}
2690		4076
2691	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4077	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2692	$sig->send;	4078	$sig->send;
2693	}	4079	}
2694	while (my $sig = shift @WAIT_FOR_TICK) {	4080	while (my $sig = shift @WAIT_FOR_TICK) {
2695	$sig->send;	4081	$sig->send;
2696	}
2697
2698	# my $AFTER = Event::time;
2699	# warn $AFTER - $NOW;#d#
2700
2701	# if we are delayed by four ticks or more, skip them all
2702	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2703
2704	$TICK_WATCHER->at ($NEXT_TICK);
2705	$TICK_WATCHER->start;
2706	},	4082	}
2707	);	4083
		4084	$LOAD = ($NOW - $TICK_START) / $TICK;
		4085	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4086
		4087	if (0) {
		4088	if ($NEXT_TICK) {
		4089	my $jitter = $TICK_START - $NEXT_TICK;
		4090	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4091	debug "jitter $JITTER\n";#d#
		4092	}
		4093	}
		4094	}
2708		4095
2709	{	4096	{
2710	BDB::max_poll_time $TICK * 0.1;	4097	# configure BDB
2711	$BDB_POLL_WATCHER = Event->io (	4098
2712	reentrant => 0,
2713	fd => BDB::poll_fileno,
2714	poll => 'r',
2715	prio => 0,
2716	data => WF_AUTOCANCEL,
2717	cb => \&BDB::poll_cb,
2718	);
2719	BDB::min_parallel 8;	4099	BDB::min_parallel 16;
2720		4100	BDB::max_poll_reqs $TICK * 0.1;
2721	BDB::set_sync_prepare {	4101	$AnyEvent::BDB::WATCHER->priority (1);
2722	my $status;
2723	my $current = $Coro::current;
2724	(
2725	sub {
2726	$status = $!;
2727	$current->ready; undef $current;
2728	},
2729	sub {
2730	Coro::schedule while defined $current;
2731	$! = $status;
2732	},
2733	)
2734	};
2735		4102
2736	unless ($DB_ENV) {	4103	unless ($DB_ENV) {
2737	$DB_ENV = BDB::db_env_create;	4104	$DB_ENV = BDB::db_env_create;
		4105	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4106	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4107	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4108	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4109	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2738		4110
2739	cf::sync_job {	4111	cf::sync_job {
2740	eval {	4112	eval {
2741	BDB::db_env_open	4113	BDB::db_env_open
2742	$DB_ENV,	4114	$DB_ENV,
2743	$BDB_ENV_DIR,	4115	$BDBDIR,
2744	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4116	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2745	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4117	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2746	0666;	4118	0666;
2747		4119
2748	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4120	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2749
2750	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2751	$DB_ENV->set_lk_detect;
2752	};	4121	};
2753		4122
2754	cf::cleanup "db_env_open(db): $@" if $@;	4123	cf::cleanup "db_env_open(db): $@" if $@;
2755	};	4124	};
2756	}	4125	}
		4126
		4127	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4128	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4129	};
		4130	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4131	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4132	};
		4133	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4134	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4135	};
2757	}	4136	}
2758		4137
2759	{	4138	{
		4139	# configure IO::AIO
		4140
2760	IO::AIO::min_parallel 8;	4141	IO::AIO::min_parallel 8;
2761
2762	undef $Coro::AIO::WATCHER;
2763	IO::AIO::max_poll_time $TICK * 0.1;	4142	IO::AIO::max_poll_time $TICK * 0.1;
2764	$AIO_POLL_WATCHER = Event->io (	4143	undef $AnyEvent::AIO::WATCHER;
2765	reentrant => 0,
2766	data => WF_AUTOCANCEL,
2767	fd => IO::AIO::poll_fileno,
2768	poll => 'r',
2769	prio => 6,
2770	cb => \&IO::AIO::poll_cb,
2771	);
2772	}	4144	}
		4145
		4146	our $_log_backtrace;
		4147	our $_log_backtrace_last;
		4148
		4149	sub _log_backtrace {
		4150	my ($msg, @addr) = @_;
		4151
		4152	$msg =~ s/\n$//;
		4153
		4154	if ($_log_backtrace_last eq $msg) {
		4155	LOG llevInfo, "[ABT] $msg\n";
		4156	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4157	# limit the # of concurrent backtraces
		4158	} elsif ($_log_backtrace < 2) {
		4159	$_log_backtrace_last = $msg;
		4160	++$_log_backtrace;
		4161	my $perl_bt = Carp::longmess $msg;
		4162	async {
		4163	$Coro::current->{desc} = "abt $msg";
		4164
		4165	my @bt = fork_call {
		4166	@addr = map { sprintf "%x", $_ } @addr;
		4167	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4168	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4169	or die "addr2line: $!";
		4170
		4171	my @funcs;
		4172	my @res = <$fh>;
		4173	chomp for @res;
		4174	while (@res) {
		4175	my ($func, $line) = splice @res, 0, 2, ();
		4176	push @funcs, "[$func] $line";
		4177	}
		4178
		4179	@funcs
		4180	};
		4181
		4182	LOG llevInfo, "[ABT] $perl_bt\n";
		4183	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4184	LOG llevInfo, "[ABT] $_\n" for @bt;
		4185	--$_log_backtrace;
		4186	};
		4187	} else {
		4188	LOG llevInfo, "[ABT] $msg\n";
		4189	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4190	}
		4191	}
		4192
		4193	# load additional modules
		4194	require "cf/$_.pm" for @EXTRA_MODULES;
		4195	cf::_connect_to_perl_2;
2773		4196
2774	END { cf::emergency_save }	4197	END { cf::emergency_save }
2775		4198
2776	1	4199	1
2777		4200

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