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Revision 1.223 by root, Sun Mar 11 02:12:44 2007 UTC vs.
Revision 1.550 by root, Fri May 14 22:56:47 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use Guard ();
13	use Coro 3.5 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
20	use BDB ();	54	use BDB ();
21	use Data::Dumper;	55	use Data::Dumper;
22	use Digest::MD5;
23	use Fcntl;	56	use Fcntl;
24	use IO::AIO 2.32 ();
25	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
26	use Time::HiRes;	59	use Time::HiRes;
27	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
28		62
		63	AnyEvent::detect;
		64
		65	# configure various modules to our taste
		66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
		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";
29	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
30		75
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
32		78
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		80
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	81	our @ORIG_INC;
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		82
40	our %COMMAND = ();	83	our %COMMAND = ();
41	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
42		85
43	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
47		91
48	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
49	our @EVENT;	93	our @EVENT;
50	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
51		96
52	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
53	our $TICK_WATCHER;	98	our $DATADIR = datadir;
54	our $AIO_POLL_WATCHER;	99	our $LIBDIR = "$DATADIR/ext";
		100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
		118
		119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
55	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
56	our $NEXT_TICK;	121	our $NEXT_TICK;
57	our $NOW;
58	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
59		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
60	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
61	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
62		130
63	our %CFG;	131	our %CFG;
64		132
65	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
66	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
67		136
68	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
69	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
70	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
71	our $RANDOM_MAPS = cf::localdir . "/random";
72	our $BDB_ENV_DIR = cf::localdir . "/db";
73
74	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
75	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
76		140
77	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
78	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
79		143
		144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
		147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
		153
80	binmode STDOUT;	154	binmode STDOUT;
81	binmode STDERR;	155	binmode STDERR;
82		156
83	# read virtual server time, if available	157	# read virtual server time, if available
84	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
85	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
86	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
87	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
88	}	162	}
89		163
90	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
91	mkdir cf::localdir . "/" . cf::playerdir;	165
92	mkdir cf::localdir . "/" . cf::tmpdir;	166	mkdir $_
93	mkdir cf::localdir . "/" . cf::uniquedir;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
94	mkdir $RANDOM_MAPS;
95	mkdir $BDB_ENV_DIR;
96		168
97	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
98		170
99	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
100		187
101	#############################################################################	188	#############################################################################
102		189
103	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
104		191
…		…
111	=item $cf::RUNTIME	198	=item $cf::RUNTIME
112		199
113	The time this server has run, starts at 0 and is increased by $cf::TICK on	200	The time this server has run, starts at 0 and is increased by $cf::TICK on
114	every server tick.	201	every server tick.
115		202
116	=item $cf::LIBDIR	203	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		204	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		205	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
117		206
118	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
119	be found. It will be added to C<@INC> automatically.	208	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		209	unique-items directory, player file directory, random maps directory and
		210	database environment.
120		211
121	=item $cf::NOW	212	=item $cf::NOW
122		213
123	The time of the last (current) server tick.	214	The time of the last (current) server tick.
124		215
125	=item $cf::TICK	216	=item $cf::TICK
126		217
127	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
128		219
		220	=item $cf::LOADAVG
		221
		222	The current CPU load on the server (alpha-smoothed), as a value between 0
		223	(none) and 1 (overloaded), indicating how much time is spent on processing
		224	objects per tick. Healthy values are < 0.5.
		225
		226	=item $cf::LOAD
		227
		228	The raw value load value from the last tick.
		229
129	=item %cf::CFG	230	=item %cf::CFG
130		231
131	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
132	from wherever your confdir points to.	233	from wherever your confdir points to.
133		234
134	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
135		236
136	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
137	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	238	returns directly I<after> the tick processing (and consequently, can only wake one thread
138	processing has been done. Call C<< ->wait >> on them to maximise the	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
139	window of cpu time available, or simply to synchronise to the server tick.	240
		241	=cut
		242
		243	sub wait_for_tick();
		244	sub wait_for_tick_begin();
		245
		246	=item @cf::INVOKE_RESULTS
		247
		248	This array contains the results of the last C<invoke ()> call. When
		249	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		250	that call.
		251
		252	=item %cf::REFLECT
		253
		254	Contains, for each (C++) class name, a hash reference with information
		255	about object members (methods, scalars, arrays and flags) and other
		256	metadata, which is useful for introspection.
140		257
141	=back	258	=back
142		259
143	=cut	260	=cut
144		261
145	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
146	*CORE::GLOBAL::warn = sub {	263	sub warn (@) { LOG llevWarn , join "", @_ }
		264	sub info (@) { LOG llevInfo , join "", @_ }
		265	sub debug(@) { LOG llevDebug, join "", @_ }
		266	sub trace(@) { LOG llevTrace, join "", @_ }
		267
		268	$Coro::State::WARNHOOK = sub {
147	my $msg = join "", @_;	269	my $msg = join "", @_;
148	utf8::encode $msg;
149		270
150	$msg .= "\n"	271	$msg .= "\n"
151	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
152		273
		274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		275
153	LOG llevError, $msg;	276	LOG llevWarn, $msg;
154	};	277	};
155	}	278
		279	$Coro::State::DIEHOOK = sub {
		280	return unless $^S eq 0; # "eq", not "=="
		281
		282	error Carp::longmess $_[0];
		283
		284	if (in_main) {#d#
		285	error "DIEHOOK called in main context, Coro bug?\n";#d#
		286	return;#d#
		287	}#d#
		288
		289	# kill coroutine otherwise
		290	Coro::terminate
		291	};
156		292
157	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
158	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
159	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
160	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
161	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	297	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		298	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
162	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	299	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
163		300
164	# we bless all objects into (empty) derived classes to force a method lookup	301	# we bless all objects into (empty) derived classes to force a method lookup
165	# within the Safe compartment.	302	# within the Safe compartment.
166	for my $pkg (qw(	303	for my $pkg (qw(
167	cf::global cf::attachable	304	cf::global cf::attachable
168	cf::object cf::object::player	305	cf::object cf::object::player
169	cf::client cf::player	306	cf::client cf::player
170	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
171	cf::map cf::party cf::region	309	cf::party cf::region
172	)) {	310	)) {
173	no strict 'refs';
174	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
175	}	312	}
176		313
177	$Event::DIED = sub {	314	$EV::DIED = sub {
178	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
179	};	316	};
		317
		318	#############################################################################
180		319
181	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
182		321
183	=over 4	322	=over 4
184		323
…		…
203	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	342	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
204	$d	343	$d
205	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
206	}	345	}
207		346
208	use JSON::Syck (); # TODO# replace by JSON::PC once working
209
210	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
211		348
212	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
213		350
214	=cut
215
216	sub from_json($) {
217	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
218	JSON::Syck::Load $_[0]
219	}
220
221	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
222		352
223	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
224		354
225	=cut	355	=cut
226		356
227	sub to_json($) {	357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
228	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	358
229	JSON::Syck::Dump $_[0]	359	sub encode_json($) { $json_coder->encode ($_[0]) }
		360	sub decode_json($) { $json_coder->decode ($_[0]) }
		361
		362	=item $ref = cf::yaml_load $scalar
		363
		364	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		365
		366	=cut
		367
		368	sub fork_call(&@);
		369
		370	sub yaml_load($) {
		371	fork_call { YAML::XS::Load $_[0] } @_
		372	}
		373
		374	=item cf::post_init { BLOCK }
		375
		376	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		377	but I<before> the server starts ticking again.
		378
		379	The codeblock will have a single boolean argument to indicate whether this
		380	is a reload or not.
		381
		382	=cut
		383
		384	sub post_init(&) {
		385	push @POST_INIT, shift;
		386	}
		387
		388	sub _post_init {
		389	trace "running post_init jobs";
		390
		391	# run them in parallel...
		392
		393	my @join;
		394
		395	while () {
		396	push @join, map &Coro::async ($_, 0), @POST_INIT;
		397	@POST_INIT = ();
		398
		399	@join or last;
		400
		401	(pop @join)->join;
		402	}
230	}	403	}
231		404
232	=item cf::lock_wait $string	405	=item cf::lock_wait $string
233		406
234	Wait until the given lock is available. See cf::lock_acquire.	407	Wait until the given lock is available. See cf::lock_acquire.
235		408
236	=item my $lock = cf::lock_acquire $string	409	=item my $lock = cf::lock_acquire $string
237		410
238	Wait until the given lock is available and then acquires it and returns	411	Wait until the given lock is available and then acquires it and returns
239	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	412	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
240	for example when the coroutine gets canceled), the lock is automatically	413	for example when the coroutine gets canceled), the lock is automatically
241	returned.	414	returned.
242		415
		416	Locks are *not* recursive, locking from the same coro twice results in a
		417	deadlocked coro.
		418
243	Lock names should begin with a unique identifier (for example, cf::map::find	419	Lock names should begin with a unique identifier (for example, cf::map::find
244	uses map_find and cf::map::load uses map_load).	420	uses map_find and cf::map::load uses map_load).
245		421
246	=cut	422	=item $locked = cf::lock_active $string
247		423
248	our %LOCK;	424	Return true if the lock is currently active, i.e. somebody has locked it.
		425
		426	=cut
		427
		428	our $LOCKS = new Coro::SemaphoreSet;
249		429
250	sub lock_wait($) {	430	sub lock_wait($) {
251	my ($key) = @_;	431	$LOCKS->wait ($_[0]);
252
253	# wait for lock, if any
254	while ($LOCK{$key}) {
255	push @{ $LOCK{$key} }, $Coro::current;
256	Coro::schedule;
257	}
258	}	432	}
259		433
260	sub lock_acquire($) {	434	sub lock_acquire($) {
261	my ($key) = @_;	435	$LOCKS->guard ($_[0])
		436	}
262		437
263	# wait, to be sure we are not locked	438	sub lock_active($) {
264	lock_wait $key;	439	$LOCKS->count ($_[0]) < 1
265
266	$LOCK{$key} = [];
267
268	Coro::guard {
269	# wake up all waiters, to be on the safe side
270	$_->ready for @{ delete $LOCK{$key} };
271	}
272	}	440	}
273		441
274	sub freeze_mainloop {	442	sub freeze_mainloop {
275	return unless $TICK_WATCHER->is_active;	443	tick_inhibit_inc;
276		444
277	my $guard = Coro::guard {	445	&Guard::guard (\&tick_inhibit_dec);
278	$TICK_WATCHER->start;	446	}
		447
		448	=item cf::periodic $interval, $cb
		449
		450	Like EV::periodic, but randomly selects a starting point so that the actions
		451	get spread over time.
		452
		453	=cut
		454
		455	sub periodic($$) {
		456	my ($interval, $cb) = @_;
		457
		458	my $start = rand List::Util::min 180, $interval;
		459
		460	EV::periodic $start, $interval, 0, $cb
		461	}
		462
		463	=item cf::get_slot $time[, $priority[, $name]]
		464
		465	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		466	This call blocks and returns only when you have at least C<$time> seconds
		467	of cpu time till the next tick. The slot is only valid till the next cede.
		468
		469	The optional C<$name> can be used to identify the job to run. It might be
		470	used for statistical purposes and should identify the same time-class.
		471
		472	Useful for short background jobs.
		473
		474	=cut
		475
		476	our @SLOT_QUEUE;
		477	our $SLOT_QUEUE;
		478	our $SLOT_DECAY = 0.9;
		479
		480	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		481	$SLOT_QUEUE = Coro::async {
		482	$Coro::current->desc ("timeslot manager");
		483
		484	my $signal = new Coro::Signal;
		485	my $busy;
		486
		487	while () {
		488	next_job:
		489
		490	my $avail = cf::till_tick;
		491
		492	for (0 .. $#SLOT_QUEUE) {
		493	if ($SLOT_QUEUE[$_][0] <= $avail) {
		494	$busy = 0;
		495	my $job = splice @SLOT_QUEUE, $_, 1, ();
		496	$job->[2]->send;
		497	Coro::cede;
		498	goto next_job;
		499	} else {
		500	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		501	}
		502	}
		503
		504	if (@SLOT_QUEUE) {
		505	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		506	push @cf::WAIT_FOR_TICK, $signal;
		507	$signal->wait;
		508	} else {
		509	$busy = 0;
		510	Coro::schedule;
		511	}
279	};	512	}
280	$TICK_WATCHER->stop;	513	};
281	$guard	514
		515	sub get_slot($;$$) {
		516	return if tick_inhibit || $Coro::current == $Coro::main;
		517
		518	my ($time, $pri, $name) = @_;
		519
		520	$time = clamp $time, 0.01, $TICK * .6;
		521
		522	my $sig = new Coro::Signal;
		523
		524	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		525	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		526	$SLOT_QUEUE->ready;
		527	$sig->wait;
282	}	528	}
283		529
284	=item cf::async { BLOCK }	530	=item cf::async { BLOCK }
285		531
286	Currently the same as Coro::async_pool, meaning you cannot use	532	Currently the same as Coro::async_pool, meaning you cannot use
…		…
291		537
292	BEGIN { *async = \&Coro::async_pool }	538	BEGIN { *async = \&Coro::async_pool }
293		539
294	=item cf::sync_job { BLOCK }	540	=item cf::sync_job { BLOCK }
295		541
296	The design of crossfire+ requires that the main coro ($Coro::main) is	542	The design of Deliantra requires that the main coroutine ($Coro::main)
297	always able to handle events or runnable, as crossfire+ is only partly	543	is always able to handle events or runnable, as Deliantra is only
298	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	544	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		545	acceptable.
299		546
300	If it must be done, put the blocking parts into C<sync_job>. This will run	547	If it must be done, put the blocking parts into C<sync_job>. This will run
301	the given BLOCK in another coroutine while waiting for the result. The	548	the given BLOCK in another coroutine while waiting for the result. The
302	server will be frozen during this time, so the block should either finish	549	server will be frozen during this time, so the block should either finish
303	fast or be very important.	550	fast or be very important.
…		…
305	=cut	552	=cut
306		553
307	sub sync_job(&) {	554	sub sync_job(&) {
308	my ($job) = @_;	555	my ($job) = @_;
309		556
310	if ($Coro::current == $Coro::main) {	557	if (in_main) {
		558	my $time = AE::time;
		559
311	# this is the main coro, too bad, we have to block	560	# this is the main coro, too bad, we have to block
312	# till the operation succeeds, freezing the server :/	561	# till the operation succeeds, freezing the server :/
313		562
314	# TODO: use suspend/resume instead	563	#LOG llevError, Carp::longmess "sync job";#d#
315	# (but this is cancel-safe)	564
316	my $freeze_guard = freeze_mainloop;	565	my $freeze_guard = freeze_mainloop;
317		566
318	my $busy = 1;	567	my $busy = 1;
319	my @res;	568	my @res;
320		569
321	(async {	570	(async {
		571	$Coro::current->desc ("sync job coro");
322	@res = eval { $job->() };	572	@res = eval { $job->() };
323	warn $@ if $@;	573	error $@ if $@;
324	undef $busy;	574	undef $busy;
325	})->prio (Coro::PRIO_MAX);	575	})->prio (Coro::PRIO_MAX);
326		576
327	while ($busy) {	577	while ($busy) {
328	Coro::cede or Event::one_event;	578	if (Coro::nready) {
		579	Coro::cede_notself;
		580	} else {
		581	EV::loop EV::LOOP_ONESHOT;
329	}	582	}
		583	}
		584
		585	my $time = AE::time - $time;
		586
		587	$TICK_START += $time; # do not account sync jobs to server load
330		588
331	wantarray ? @res : $res[0]	589	wantarray ? @res : $res[0]
332	} else {	590	} else {
333	# we are in another coroutine, how wonderful, everything just works	591	# we are in another coroutine, how wonderful, everything just works
334		592
…		…
354	$EXT_CORO{$coro+0} = $coro;	612	$EXT_CORO{$coro+0} = $coro;
355		613
356	$coro	614	$coro
357	}	615	}
358		616
359	sub write_runtime {	617	=item fork_call { }, @args
360	my $guard = cf::lock_acquire "write_runtime";
361		618
362	my $runtime = cf::localdir . "/runtime";	619	Executes the given code block with the given arguments in a seperate
		620	process, returning the results. Everything must be serialisable with
		621	Coro::Storable. May, of course, block. Note that the executed sub may
		622	never block itself or use any form of event handling.
363		623
364	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	624	=cut
365	or return;
366		625
367	my $value = $cf::RUNTIME + 90 + 10;	626	sub post_fork {
368	# 10 is the runtime save interval, for a monotonic clock	627	reset_signals;
369	# 60 allows for the watchdog to kill the server.	628	}
370		629
371	(aio_write $fh, 0, (length $value), $value, 0) <= 0	630	sub fork_call(&@) {
372	and return;	631	my ($cb, @args) = @_;
373		632
374	# always fsync - this file is important	633	# we seemingly have to make a local copy of the whole thing,
375	aio_fsync $fh	634	# otherwise perl prematurely frees the stuff :/
376	and return;	635	# TODO: investigate and fix (likely this will be rather laborious)
377		636
378	close $fh	637	my @res = Coro::Util::fork_eval {
379	or return;	638	cf::post_fork;
		639	&$cb
		640	} @args;
380		641
381	aio_rename "$runtime~", $runtime	642	wantarray ? @res : $res[-1]
382	and return;	643	}
383		644
		645	sub objinfo {
384	1	646	(
		647	"counter value" => cf::object::object_count,
		648	"objects created" => cf::object::create_count,
		649	"objects destroyed" => cf::object::destroy_count,
		650	"freelist size" => cf::object::free_count,
		651	"allocated objects" => cf::object::objects_size,
		652	"active objects" => cf::object::actives_size,
		653	)
		654	}
		655
		656	=item $coin = coin_from_name $name
		657
		658	=cut
		659
		660	our %coin_alias = (
		661	"silver" => "silvercoin",
		662	"silvercoin" => "silvercoin",
		663	"silvercoins" => "silvercoin",
		664	"gold" => "goldcoin",
		665	"goldcoin" => "goldcoin",
		666	"goldcoins" => "goldcoin",
		667	"platinum" => "platinacoin",
		668	"platinumcoin" => "platinacoin",
		669	"platinumcoins" => "platinacoin",
		670	"platina" => "platinacoin",
		671	"platinacoin" => "platinacoin",
		672	"platinacoins" => "platinacoin",
		673	"royalty" => "royalty",
		674	"royalties" => "royalty",
		675	);
		676
		677	sub coin_from_name($) {
		678	$coin_alias{$_[0]}
		679	? cf::arch::find $coin_alias{$_[0]}
		680	: undef
		681	}
		682
		683	=item $value = cf::db_get $family => $key
		684
		685	Returns a single value from the environment database.
		686
		687	=item cf::db_put $family => $key => $value
		688
		689	Stores the given C<$value> in the family. It can currently store binary
		690	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		691
		692	=item $db = cf::db_table "name"
		693
		694	Create and/or open a new database table. The string must not be "db" and must be unique
		695	within each server.
		696
		697	=cut
		698
		699	sub db_table($) {
		700	cf::error "db_get called from main context"
		701	if $Coro::current == $Coro::main;
		702
		703	my ($name) = @_;
		704	my $db = BDB::db_create $DB_ENV;
		705
		706	eval {
		707	$db->set_flags (BDB::CHKSUM);
		708
		709	utf8::encode $name;
		710	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		711	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		712	cf::cleanup "db_open(db): $!" if $!;
		713	};
		714	cf::cleanup "db_open(db): $@" if $@;
		715
		716	$db
		717	}
		718
		719	our $DB;
		720
		721	sub db_init {
		722	$DB ||= db_table "db";
		723	}
		724
		725	sub db_get($$) {
		726	my $key = "$_[0]/$_[1]";
		727
		728	cf::error "db_get called from main context"
		729	if $Coro::current == $Coro::main;
		730
		731	BDB::db_get $DB, undef, $key, my $data;
		732
		733	$! ? ()
		734	: $data
		735	}
		736
		737	sub db_put($$$) {
		738	BDB::dbreq_pri 4;
		739	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		740	}
		741
		742	=item cf::cache $id => [$paths...], $processversion => $process
		743
		744	Generic caching function that returns the value of the resource $id,
		745	caching and regenerating as required.
		746
		747	This function can block.
		748
		749	=cut
		750
		751	sub cache {
		752	my ($id, $src, $processversion, $process) = @_;
		753
		754	my $meta =
		755	join "\x00",
		756	$processversion,
		757	map {
		758	aio_stat $_
		759	and Carp::croak "$_: $!";
		760
		761	($_, (stat _)[7,9])
		762	} @$src;
		763
		764	my $dbmeta = db_get cache => "$id/meta";
		765	if ($dbmeta ne $meta) {
		766	# changed, we may need to process
		767
		768	my @data;
		769	my $md5;
		770
		771	for (0 .. $#$src) {
		772	0 <= aio_load $src->[$_], $data[$_]
		773	or Carp::croak "$src->[$_]: $!";
		774	}
		775
		776	# if processing is expensive, check
		777	# checksum first
		778	if (1) {
		779	$md5 =
		780	join "\x00",
		781	$processversion,
		782	map {
		783	cf::cede_to_tick;
		784	($src->[$_], Digest::MD5::md5_hex $data[$_])
		785	} 0.. $#$src;
		786
		787
		788	my $dbmd5 = db_get cache => "$id/md5";
		789	if ($dbmd5 eq $md5) {
		790	db_put cache => "$id/meta", $meta;
		791
		792	return db_get cache => "$id/data";
		793	}
		794	}
		795
		796	my $t1 = Time::HiRes::time;
		797	my $data = $process->(\@data);
		798	my $t2 = Time::HiRes::time;
		799
		800	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		801
		802	db_put cache => "$id/data", $data;
		803	db_put cache => "$id/md5" , $md5;
		804	db_put cache => "$id/meta", $meta;
		805
		806	return $data;
		807	}
		808
		809	db_get cache => "$id/data"
		810	}
		811
		812	=item cf::datalog type => key => value, ...
		813
		814	Log a datalog packet of the given type with the given key-value pairs.
		815
		816	=cut
		817
		818	sub datalog($@) {
		819	my ($type, %kv) = @_;
		820	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
385	}	821	}
386		822
387	=back	823	=back
388		824
389	=cut	825	=cut
390		826
391	#############################################################################	827	#############################################################################
392		828
393	=head2 ATTACHABLE OBJECTS	829	=head2 ATTACHABLE OBJECTS
394		830
395	Many objects in crossfire are so-called attachable objects. That means you can	831	Many objects in deliantra are so-called attachable objects. That means you can
396	attach callbacks/event handlers (a collection of which is called an "attachment")	832	attach callbacks/event handlers (a collection of which is called an "attachment")
397	to it. All such attachable objects support the following methods.	833	to it. All such attachable objects support the following methods.
398		834
399	In the following description, CLASS can be any of C<global>, C<object>	835	In the following description, CLASS can be any of C<global>, C<object>
400	C<player>, C<client> or C<map> (i.e. the attachable objects in	836	C<player>, C<client> or C<map> (i.e. the attachable objects in
401	crossfire+).	837	Deliantra).
402		838
403	=over 4	839	=over 4
404		840
405	=item $attachable->attach ($attachment, key => $value...)	841	=item $attachable->attach ($attachment, key => $value...)
406		842
…		…
450	=item cf::CLASS::attachment $name, ...	886	=item cf::CLASS::attachment $name, ...
451		887
452	Register an attachment by C<$name> through which attachable objects of the	888	Register an attachment by C<$name> through which attachable objects of the
453	given CLASS can refer to this attachment.	889	given CLASS can refer to this attachment.
454		890
455	Some classes such as crossfire maps and objects can specify attachments	891	Some classes such as deliantra maps and objects can specify attachments
456	that are attached at load/instantiate time, thus the need for a name.	892	that are attached at load/instantiate time, thus the need for a name.
457		893
458	These calls expect any number of the following handler/hook descriptions:	894	These calls expect any number of the following handler/hook descriptions:
459		895
460	=over 4	896	=over 4
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	1005	$registry = $CB_TYPE[$object_type] ||= [];
570		1006
571	} elsif ($type eq "subtype") {	1007	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	1008	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	1009	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1010	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		1011
576	} elsif ($type eq "package") {	1012	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	1013	my $pkg = shift @arg;
578		1014
579	while (my ($name, $id) = each %cb_id) {	1015	while (my ($name, $id) = each %cb_id) {
…		…
584		1020
585	} elsif (exists $cb_id{$type}) {	1021	} elsif (exists $cb_id{$type}) {
586	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1022	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
587		1023
588	} elsif (ref $type) {	1024	} elsif (ref $type) {
589	warn "attaching objects not supported, ignoring.\n";	1025	error "attaching objects not supported, ignoring.\n";
590		1026
591	} else {	1027	} else {
592	shift @arg;	1028	shift @arg;
593	warn "attach argument '$type' not supported, ignoring.\n";	1029	error "attach argument '$type' not supported, ignoring.\n";
594	}	1030	}
595	}	1031	}
596	}	1032	}
597		1033
598	sub _object_attach {	1034	sub _object_attach {
…		…
608	_attach $registry, $klass, @attach;	1044	_attach $registry, $klass, @attach;
609	}	1045	}
610		1046
611	$obj->{$name} = \%arg;	1047	$obj->{$name} = \%arg;
612	} else {	1048	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	1049	info "object uses attachment '$name' which is not available, postponing.\n";
614	}	1050	}
615		1051
616	$obj->{_attachment}{$name} = undef;	1052	$obj->{_attachment}{$name} = undef;
617	}	1053	}
618		1054
…		…
620	if (ref $_[0]) {	1056	if (ref $_[0]) {
621	_object_attach @_;	1057	_object_attach @_;
622	} else {	1058	} else {
623	_attach shift->_attach_registry, @_;	1059	_attach shift->_attach_registry, @_;
624	}	1060	}
		1061	_recalc_want;
625	};	1062	};
626		1063
627	# all those should be optimised	1064	# all those should be optimised
628	sub cf::attachable::detach {	1065	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	1066	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	1069	delete $obj->{_attachment}{$name};
633	reattach ($obj);	1070	reattach ($obj);
634	} else {	1071	} else {
635	Carp::croak "cannot, currently, detach class attachments";	1072	Carp::croak "cannot, currently, detach class attachments";
636	}	1073	}
		1074	_recalc_want;
637	};	1075	};
638		1076
639	sub cf::attachable::attached {	1077	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	1078	my ($obj, $name) = @_;
641		1079
…		…
656	";	1094	";
657	die if $@;	1095	die if $@;
658	}	1096	}
659		1097
660	our $override;	1098	our $override;
661	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1099	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
662		1100
663	sub override {	1101	sub override {
664	$override = 1;	1102	$override = 1;
665	@invoke_results = ();	1103	@INVOKE_RESULTS = (@_);
666	}	1104	}
667		1105
668	sub do_invoke {	1106	sub do_invoke {
669	my $event = shift;	1107	my $event = shift;
670	my $callbacks = shift;	1108	my $callbacks = shift;
671		1109
672	@invoke_results = ();	1110	@INVOKE_RESULTS = ();
673		1111
674	local $override;	1112	local $override;
675		1113
676	for (@$callbacks) {	1114	for (@$callbacks) {
677	eval { &{$_->[1]} };	1115	eval { &{$_->[1]} };
678		1116
679	if ($@) {	1117	if ($@) {
680	warn "$@";
681	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1118	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
682	override;	1119	override;
683	}	1120	}
684		1121
685	return 1 if $override;	1122	return 1 if $override;
686	}	1123	}
687		1124
688	0	1125	0
689	}	1126	}
690		1127
691	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1128	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
692		1129
693	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
694		1131
695	Generate an object-specific event with the given arguments.	1132	Generate an object-specific event with the given arguments.
696		1133
697	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1134	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
698	removed in future versions), and there is no public API to access override	1135	removed in future versions), and there is no public API to access override
699	results (if you must, access C<@cf::invoke_results> directly).	1136	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		1137
701	=back	1138	=back
702		1139
703	=cut	1140	=cut
704		1141
705	#############################################################################	1142	#############################################################################
706	# object support	1143	# object support
		1144
		1145	sub _object_equal($$);
		1146	sub _object_equal($$) {
		1147	my ($a, $b) = @_;
		1148
		1149	return 0 unless (ref $a) eq (ref $b);
		1150
		1151	if ("HASH" eq ref $a) {
		1152	my @ka = keys %$a;
		1153	my @kb = keys %$b;
		1154
		1155	return 0 if @ka != @kb;
		1156
		1157	for (0 .. $#ka) {
		1158	return 0 unless $ka[$_] eq $kb[$_];
		1159	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1160	}
		1161
		1162	} elsif ("ARRAY" eq ref $a) {
		1163
		1164	return 0 if @$a != @$b;
		1165
		1166	for (0 .. $#$a) {
		1167	return 0 unless _object_equal $a->[$_], $b->[$_];
		1168	}
		1169
		1170	} elsif ($a ne $b) {
		1171	return 0;
		1172	}
		1173
		1174	1
		1175	}
		1176
		1177	our $SLOW_MERGES;#d#
		1178	sub _can_merge {
		1179	my ($ob1, $ob2) = @_;
		1180
		1181	++$SLOW_MERGES;#d#
		1182
		1183	# we do the slow way here
		1184	return _object_equal $ob1, $ob2
		1185	}
707		1186
708	sub reattach {	1187	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1188	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1189	my ($obj) = @_;
711		1190
		1191	# no longer needed after getting rid of delete_package?
712	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1192	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
713		1193
714	my $registry = $obj->registry;	1194	my $registry = $obj->registry;
715		1195
716	@$registry = ();	1196	@$registry = ();
717		1197
…		…
722	for (@$attach) {	1202	for (@$attach) {
723	my ($klass, @attach) = @$_;	1203	my ($klass, @attach) = @$_;
724	_attach $registry, $klass, @attach;	1204	_attach $registry, $klass, @attach;
725	}	1205	}
726	} else {	1206	} else {
727	warn "object uses attachment '$name' that is not available, postponing.\n";	1207	info "object uses attachment '$name' that is not available, postponing.\n";
728	}	1208	}
729	}	1209	}
730	}	1210	}
731		1211
732	cf::attachable->attach (	1212	cf::attachable->attach (
733	prio => -1000000,	1213	prio => -1000000,
734	on_instantiate => sub {	1214	on_instantiate => sub {
735	my ($obj, $data) = @_;	1215	my ($obj, $data) = @_;
736		1216
737	$data = from_json $data;	1217	$data = decode_json $data;
738		1218
739	for (@$data) {	1219	for (@$data) {
740	my ($name, $args) = @$_;	1220	my ($name, $args) = @$_;
741		1221
742	$obj->attach ($name, %{$args || {} });	1222	$obj->attach ($name, %{$args || {} });
…		…
758	sub object_freezer_save {	1238	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1239	my ($filename, $rdata, $objs) = @_;
760		1240
761	sync_job {	1241	sync_job {
762	if (length $$rdata) {	1242	if (length $$rdata) {
		1243	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1244	trace sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1245	$decname, length $$rdata, scalar @$objs
		1246	if $VERBOSE_IO;
765		1247
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1248	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1249	aio_chmod $fh, SAVE_MODE;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1250	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	aio_fsync $fh if $cf::USE_FSYNC;	1251	if ($cf::USE_FSYNC) {
		1252	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1253	aio_fsync $fh;
		1254	}
770	close $fh;	1255	aio_close $fh;
771		1256
772	if (@$objs) {	1257	if (@$objs) {
773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1258	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
774	chmod SAVE_MODE, $fh;	1259	aio_chmod $fh, SAVE_MODE;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1260	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1261	aio_write $fh, 0, (length $data), $data, 0;
777	aio_fsync $fh if $cf::USE_FSYNC;	1262	if ($cf::USE_FSYNC) {
		1263	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1264	aio_fsync $fh;
		1265	}
778	close $fh;	1266	aio_close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1267	aio_rename "$filename.pst~", "$filename.pst";
780	}	1268	}
781	} else {	1269	} else {
782	aio_unlink "$filename.pst";	1270	aio_unlink "$filename.pst";
783	}	1271	}
784		1272
785	aio_rename "$filename~", $filename;	1273	aio_rename "$filename~", $filename;
		1274
		1275	$filename =~ s%/[^/]+$%%;
		1276	aio_pathsync $filename if $cf::USE_FSYNC;
786	} else {	1277	} else {
787	warn "FATAL: $filename~: $!\n";	1278	error "unable to save objects: $filename~: $!\n";
788	}	1279	}
789	} else {	1280	} else {
790	aio_unlink $filename;	1281	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1282	aio_unlink "$filename.pst";
792	}	1283	}
793	}	1284	};
794	}	1285	}
795		1286
796	sub object_freezer_as_string {	1287	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1288	my ($rdata, $objs) = @_;
798		1289
…		…
810	or return;	1301	or return;
811		1302
812	unless (aio_stat "$filename.pst") {	1303	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1304	(aio_load "$filename.pst", $av) >= 0
814	or return;	1305	or return;
		1306
815	$av = eval { (Storable::thaw $av)->{objs} };	1307	my $st = eval { Coro::Storable::thaw $av };
		1308	$av = $st->{objs};
816	}	1309	}
817		1310
		1311	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1312	trace sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1313	$decname, length $data, scalar @{$av || []}
		1314	if $VERBOSE_IO;
		1315
820	return ($data, $av);	1316	($data, $av)
821	}	1317	}
		1318
		1319	=head2 COMMAND CALLBACKS
		1320
		1321	=over 4
		1322
		1323	=cut
822		1324
823	#############################################################################	1325	#############################################################################
824	# command handling &c	1326	# command handling &c
825		1327
826	=item cf::register_command $name => \&callback($ob,$args);	1328	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1341	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1342	}
841		1343
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1344	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1345
844	Register a callbackf ro execution when the client sends an extcmd packet.	1346	Register a callback for execution when the client sends an (synchronous)
		1347	extcmd packet. Ext commands will be processed in the order they are
		1348	received by the server, like other user commands. The first argument is
		1349	the logged-in player. Ext commands can only be processed after a player
		1350	has logged in successfully.
845		1351
846	If the callback returns something, it is sent back as if reply was being	1352	If the callback returns something, it is sent back as if reply was being
847	called.	1353	called.
848		1354
		1355	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1356
		1357	Register a callback for execution when the client sends an (asynchronous)
		1358	exticmd packet. Exti commands are processed by the server as soon as they
		1359	are received, i.e. out of order w.r.t. other commands. The first argument
		1360	is a client socket. Exti commands can be received anytime, even before
		1361	log-in.
		1362
		1363	If the callback returns something, it is sent back as if reply was being
		1364	called.
		1365
849	=cut	1366	=cut
850		1367
851	sub register_extcmd {	1368	sub register_extcmd {
852	my ($name, $cb) = @_;	1369	my ($name, $cb) = @_;
853		1370
854	$EXTCMD{$name} = $cb;	1371	$EXTCMD{$name} = $cb;
855	}	1372	}
856		1373
		1374	sub register_exticmd {
		1375	my ($name, $cb) = @_;
		1376
		1377	$EXTICMD{$name} = $cb;
		1378	}
		1379
		1380	use File::Glob ();
		1381
857	cf::player->attach (	1382	cf::player->attach (
858	on_command => sub {	1383	on_unknown_command => sub {
859	my ($pl, $name, $params) = @_;	1384	my ($pl, $name, $params) = @_;
860		1385
861	my $cb = $COMMAND{$name}	1386	my $cb = $COMMAND{$name}
862	or return;	1387	or return;
863		1388
…		…
868	cf::override;	1393	cf::override;
869	},	1394	},
870	on_extcmd => sub {	1395	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1396	my ($pl, $buf) = @_;
872		1397
873	my $msg = eval { from_json $buf };	1398	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1399
875	if (ref $msg) {	1400	if (ref $msg) {
		1401	my ($type, $reply, @payload) =
		1402	"ARRAY" eq ref $msg
		1403	? @$msg
		1404	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1405
		1406	my @reply;
		1407
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1408	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1409	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1410	}
		1411
		1412	$pl->ext_reply ($reply, @reply)
		1413	if $reply;
		1414
881	} else {	1415	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1416	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1417	}
884		1418
885	cf::override;	1419	cf::override;
886	},	1420	},
887	);	1421	);
888		1422
		1423	# "readahead" all extensions
889	sub load_extension {	1424	sub cache_extensions {
890	my ($path) = @_;	1425	my $grp = IO::AIO::aio_group;
891		1426
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1427	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
893	my $base = $1;	1428	for (grep /\.ext$/, @{$_[0]}) {
894	my $pkg = $1;	1429	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}	1430	}
917	die $@;
918	}	1431	};
919		1432
920	push @EXTS, $pkg;	1433	$grp
921	}	1434	}
922		1435
923	sub load_extensions {	1436	sub load_extensions {
		1437	info "loading extensions...";
		1438
		1439	cf::sync_job {
		1440	my %todo;
		1441
924	for my $ext (<$LIBDIR/*.ext>) {	1442	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1443	next unless -r $path;
926	eval {	1444
927	load_extension $ext;	1445	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1446	my $base = $1;
		1447	my $pkg = $1;
		1448	$pkg =~ s/[^[:word:]]/_/g;
		1449	$pkg = "ext::$pkg";
		1450
		1451	open my $fh, "<:utf8", $path
		1452	or die "$path: $!";
		1453
		1454	my $source = do { local $/; <$fh> };
		1455
		1456	my %ext = (
		1457	path => $path,
		1458	base => $base,
		1459	pkg => $pkg,
		1460	);
		1461
		1462	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1463	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1464
		1465	$ext{source} =
		1466	"package $pkg; use common::sense;\n"
		1467	. "#line 1 \"$path\"\n{\n"
		1468	. $source
		1469	. "\n};\n1";
		1470
		1471	$todo{$base} = \%ext;
		1472	}
		1473
		1474	my $pass = 0;
		1475	my %done;
		1476	while (%todo) {
		1477	my $progress;
		1478
		1479	++$pass;
		1480
		1481	ext:
		1482	while (my ($k, $v) = each %todo) {
		1483	for (split /,\s*/, $v->{meta}{depends}) {
		1484	next ext
		1485	unless exists $done{$_};
		1486	}
		1487
		1488	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1489
		1490	my $active = eval $v->{source};
		1491
		1492	if (length $@) {
		1493	error "$v->{path}: $@\n";
		1494
		1495	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1496	if exists $v->{meta}{mandatory};
		1497
		1498	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1499	delete $todo{$k};
		1500	} else {
		1501	$done{$k} = delete $todo{$k};
		1502	push @EXTS, $v->{pkg};
		1503	$progress = 1;
		1504
		1505	info "$v->{base}: extension inactive.\n"
		1506	unless $active;
		1507	}
928	1	1508	}
929	} or warn "$ext not loaded: $@";	1509
		1510	unless ($progress) {
		1511	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1512
		1513	while (my ($k, $v) = each %todo) {
		1514	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1515	if exists $v->{meta}{mandatory};
		1516	}
		1517	}
		1518	}
930	}	1519	};
931	}	1520	}
932		1521
933	#############################################################################	1522	#############################################################################
934		1523
		1524	=back
		1525
935	=head2 CORE EXTENSIONS	1526	=head2 CORE EXTENSIONS
936		1527
937	Functions and methods that extend core crossfire objects.	1528	Functions and methods that extend core deliantra objects.
938		1529
939	=cut	1530	=cut
940		1531
941	package cf::player;	1532	package cf::player;
942		1533
…		…
944		1535
945	=head3 cf::player	1536	=head3 cf::player
946		1537
947	=over 4	1538	=over 4
948		1539
		1540	=item cf::player::num_playing
		1541
		1542	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1543
		1544	=cut
		1545
		1546	sub num_playing {
		1547	scalar grep
		1548	$_->ob->map
		1549	&& !$_->hidden
		1550	&& !$_->ob->flag (cf::FLAG_WIZ),
		1551	cf::player::list
		1552	}
		1553
949	=item cf::player::find $login	1554	=item cf::player::find $login
950		1555
951	Returns the given player object, loading it if necessary (might block).	1556	Returns the given player object, loading it if necessary (might block).
952		1557
953	=cut	1558	=cut
954		1559
955	sub playerdir($) {	1560	sub playerdir($) {
956	cf::localdir	1561	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1562	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1563	}
962		1564
963	sub path($) {	1565	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1566	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
965		1567
966	(playerdir $login) . "/$login.pl"	1568	(playerdir $login) . "/playerdata"
967	}	1569	}
968		1570
969	sub find_active($) {	1571	sub find_active($) {
970	$cf::PLAYER{$_[0]}	1572	$cf::PLAYER{$_[0]}
971	and $cf::PLAYER{$_[0]}->active	1573	and $cf::PLAYER{$_[0]}->active
…		…
974		1576
975	sub exists($) {	1577	sub exists($) {
976	my ($login) = @_;	1578	my ($login) = @_;
977		1579
978	$cf::PLAYER{$login}	1580	$cf::PLAYER{$login}
979	or cf::sync_job { !aio_stat path $login }	1581	or !aio_stat path $login
980	}	1582	}
981		1583
982	sub find($) {	1584	sub find($) {
983	return $cf::PLAYER{$_[0]} || do {	1585	return $cf::PLAYER{$_[0]} || do {
984	my $login = $_[0];	1586	my $login = $_[0];
985		1587
986	my $guard = cf::lock_acquire "user_find:$login";	1588	my $guard = cf::lock_acquire "user_find:$login";
987		1589
988	$cf::PLAYER{$_[0]} || do {	1590	$cf::PLAYER{$_[0]} || do {
989	my $pl = load_pl path $login	1591	# rename old playerfiles to new ones
		1592	#TODO: remove when no longer required
		1593	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1594	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1595	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1596	aio_unlink +(playerdir $login) . "/$login.pl";
		1597
		1598	my $f = new_from_file cf::object::thawer path $login
990	or return;	1599	or return;
		1600
		1601	my $pl = cf::player::load_pl $f
		1602	or return;
		1603
		1604	local $cf::PLAYER_LOADING{$login} = $pl;
		1605	$f->resolve_delayed_derefs;
991	$cf::PLAYER{$login} = $pl	1606	$cf::PLAYER{$login} = $pl
992	}	1607	}
993	}	1608	}
994	}	1609	}
		1610
		1611	cf::player->attach (
		1612	on_load => sub {
		1613	my ($pl, $path) = @_;
		1614
		1615	# restore slots saved in save, below
		1616	my $slots = delete $pl->{_slots};
		1617
		1618	$pl->ob->current_weapon ($slots->[0]);
		1619	$pl->combat_ob ($slots->[1]);
		1620	$pl->ranged_ob ($slots->[2]);
		1621	},
		1622	);
995		1623
996	sub save($) {	1624	sub save($) {
997	my ($pl) = @_;	1625	my ($pl) = @_;
998		1626
999	return if $pl->{deny_save};	1627	return if $pl->{deny_save};
…		…
1004	return if $pl->{deny_save};	1632	return if $pl->{deny_save};
1005		1633
1006	aio_mkdir playerdir $pl, 0770;	1634	aio_mkdir playerdir $pl, 0770;
1007	$pl->{last_save} = $cf::RUNTIME;	1635	$pl->{last_save} = $cf::RUNTIME;
1008		1636
		1637	cf::get_slot 0.01;
		1638
		1639	# save slots, to be restored later
		1640	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1641
1009	$pl->save_pl ($path);	1642	$pl->save_pl ($path);
1010	Coro::cede;	1643	cf::cede_to_tick;
1011	}	1644	}
1012		1645
1013	sub new($) {	1646	sub new($) {
1014	my ($login) = @_;	1647	my ($login) = @_;
1015		1648
…		…
1021	$cf::PLAYER{$login} = $self;	1654	$cf::PLAYER{$login} = $self;
1022		1655
1023	$self	1656	$self
1024	}	1657	}
1025		1658
		1659	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1660
		1661	=cut
		1662
		1663	sub send_msg {
		1664	my $ns = shift->ns
		1665	or return;
		1666	$ns->send_msg (@_);
		1667	}
		1668
1026	=item $pl->quit_character	1669	=item $pl->quit_character
1027		1670
1028	Nukes the player without looking back. If logged in, the connection will	1671	Nukes the player without looking back. If logged in, the connection will
1029	be destroyed. May block for a long time.	1672	be destroyed. May block for a long time.
1030		1673
…		…
1034	my ($pl) = @_;	1677	my ($pl) = @_;
1035		1678
1036	my $name = $pl->ob->name;	1679	my $name = $pl->ob->name;
1037		1680
1038	$pl->{deny_save} = 1;	1681	$pl->{deny_save} = 1;
1039	$pl->password ("*"); # this should lock out the player until we nuked the dir	1682	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1040		1683
1041	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1684	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1042	$pl->deactivate;	1685	$pl->deactivate;
		1686
		1687	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1043	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1688	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1689	ext::highscore::check ($pl->ob);
		1690
1044	$pl->ns->destroy if $pl->ns;	1691	$pl->ns->destroy if $pl->ns;
1045		1692
1046	my $path = playerdir $pl;	1693	my $path = playerdir $pl;
1047	my $temp = "$path~$cf::RUNTIME~deleting~";	1694	my $temp = "$path~$cf::RUNTIME~deleting~";
1048	aio_rename $path, $temp;	1695	aio_rename $path, $temp;
…		…
1077	while and may block, so not sync_job-capable, ever.	1724	while and may block, so not sync_job-capable, ever.
1078		1725
1079	=cut	1726	=cut
1080		1727
1081	sub list_logins {	1728	sub list_logins {
1082	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1729	my $dirs = aio_readdir $PLAYERDIR
1083	or return [];	1730	or return [];
1084		1731
1085	my @logins;	1732	my @logins;
1086		1733
1087	for my $login (@$dirs) {	1734	for my $login (@$dirs) {
		1735	my $path = path $login;
		1736
		1737	# a .pst is a dead give-away for a valid player
		1738	# if no pst file found, open and chekc for blocked users
		1739	if (aio_stat "$path.pst") {
1088	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1740	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1089	aio_read $fh, 0, 512, my $buf, 0 or next;	1741	aio_read $fh, 0, 512, my $buf, 0 or next;
1090	$buf !~ /^password -------------$/m or next; # official not-valid tag	1742	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1743	}
1091		1744
1092	utf8::decode $login;	1745	utf8::decode $login;
1093	push @logins, $login;	1746	push @logins, $login;
1094	}	1747	}
1095		1748
1096	\@logins	1749	\@logins
1097	}	1750	}
1098		1751
1099	=item $player->maps	1752	=item $player->maps
		1753
		1754	=item cf::player::maps $login
1100		1755
1101	Returns an arrayref of map paths that are private for this	1756	Returns an arrayref of map paths that are private for this
1102	player. May block.	1757	player. May block.
1103		1758
1104	=cut	1759	=cut
…		…
1122	}	1777	}
1123		1778
1124	\@paths	1779	\@paths
1125	}	1780	}
1126		1781
		1782	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1783
		1784	Expand deliantra pod fragments into protocol xml.
		1785
1127	=item $player->ext_reply ($msgid, $msgtype, %msg)	1786	=item $player->ext_reply ($msgid, @msg)
1128		1787
1129	Sends an ext reply to the player.	1788	Sends an ext reply to the player.
1130		1789
1131	=cut	1790	=cut
1132		1791
1133	sub ext_reply($$$%) {	1792	sub ext_reply($$@) {
1134	my ($self, $id, %msg) = @_;	1793	my ($self, $id, @msg) = @_;
1135		1794
1136	$msg{msgid} = $id;	1795	$self->ns->ext_reply ($id, @msg)
1137
1138	$self->send ("ext " . cf::to_json \%msg);
1139	}	1796	}
1140		1797
1141	package cf;	1798	=item $player->ext_msg ($type, @msg)
		1799
		1800	Sends an ext event to the client.
		1801
		1802	=cut
		1803
		1804	sub ext_msg($$@) {
		1805	my ($self, $type, @msg) = @_;
		1806
		1807	$self->ns->ext_msg ($type, @msg);
		1808	}
		1809
		1810	=head3 cf::region
		1811
		1812	=over 4
		1813
		1814	=cut
		1815
		1816	package cf::region;
		1817
		1818	=item cf::region::find_by_path $path
		1819
		1820	Tries to decuce the likely region for a map knowing only its path.
		1821
		1822	=cut
		1823
		1824	sub find_by_path($) {
		1825	my ($path) = @_;
		1826
		1827	$path =~ s/^~[^\/]*//; # skip ~login
		1828
		1829	my ($match, $specificity);
		1830
		1831	for my $region (list) {
		1832	if ($region->{match} && $path =~ $region->{match}) {
		1833	($match, $specificity) = ($region, $region->specificity)
		1834	if $region->specificity > $specificity;
		1835	}
		1836	}
		1837
		1838	$match
		1839	}
1142		1840
1143	=back	1841	=back
1144
1145		1842
1146	=head3 cf::map	1843	=head3 cf::map
1147		1844
1148	=over 4	1845	=over 4
1149		1846
…		…
1161	our $MAX_RESET = 3600;	1858	our $MAX_RESET = 3600;
1162	our $DEFAULT_RESET = 3000;	1859	our $DEFAULT_RESET = 3000;
1163		1860
1164	sub generate_random_map {	1861	sub generate_random_map {
1165	my ($self, $rmp) = @_;	1862	my ($self, $rmp) = @_;
		1863
		1864	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1865
1166	# mit "rum" bekleckern, nicht	1866	# mit "rum" bekleckern, nicht
1167	$self->_create_random_map (	1867	$self->_create_random_map (
1168	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1868	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1169	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1869	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1170	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1870	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1171	$rmp->{exit_on_final_map},	1871	$rmp->{exit_on_final_map},
1172	$rmp->{xsize}, $rmp->{ysize},	1872	$rmp->{xsize}, $rmp->{ysize},
1173	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1873	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1174	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1874	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1189		1889
1190	sub register {	1890	sub register {
1191	my (undef, $regex, $prio) = @_;	1891	my (undef, $regex, $prio) = @_;
1192	my $pkg = caller;	1892	my $pkg = caller;
1193		1893
1194	no strict;
1195	push @{"$pkg\::ISA"}, __PACKAGE__;	1894	push @{"$pkg\::ISA"}, __PACKAGE__;
1196		1895
1197	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1896	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1198	}	1897	}
1199		1898
1200	# also paths starting with '/'	1899	# also paths starting with '/'
1201	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1900	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1202		1901
1203	sub thawer_merge {	1902	sub thawer_merge {
1204	my ($self, $merge) = @_;	1903	my ($self, $merge) = @_;
1205		1904
1206	# we have to keep some variables in memory intact	1905	# we have to keep some variables in memory intact
1207	local $self->{path};	1906	local $self->{path};
1208	local $self->{load_path};	1907	local $self->{load_path};
1209	local $self->{deny_save};
1210	local $self->{deny_reset};
1211		1908
1212	$self->SUPER::thawer_merge ($merge);	1909	$self->SUPER::thawer_merge ($merge);
1213	}	1910	}
1214		1911
1215	sub normalise {	1912	sub normalise {
1216	my ($path, $base) = @_;	1913	my ($path, $base) = @_;
1217		1914
1218	$path = "$path"; # make sure its a string	1915	$path = "$path"; # make sure it's a string
1219		1916
1220	$path =~ s/\.map$//;	1917	$path =~ s/\.map$//;
1221		1918
1222	# map plan:	1919	# map plan:
1223	#	1920	#
…		…
1262	$self->init; # pass $1 etc.	1959	$self->init; # pass $1 etc.
1263	return $self;	1960	return $self;
1264	}	1961	}
1265	}	1962	}
1266		1963
1267	Carp::carp "unable to resolve path '$path' (base '$base').";	1964	Carp::cluck "unable to resolve path '$path' (base '$base')";
1268	()	1965	()
1269	}	1966	}
1270		1967
1271	sub init {	1968	sub init {
1272	my ($self) = @_;	1969	my ($self) = @_;
…		…
1287		1984
1288	# the original (read-only) location	1985	# the original (read-only) location
1289	sub load_path {	1986	sub load_path {
1290	my ($self) = @_;	1987	my ($self) = @_;
1291		1988
1292	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1989	"$MAPDIR/$self->{path}.map"
1293	}	1990	}
1294		1991
1295	# the temporary/swap location	1992	# the temporary/swap location
1296	sub save_path {	1993	sub save_path {
1297	my ($self) = @_;	1994	my ($self) = @_;
1298		1995
1299	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1996	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1300	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1997	"$TMPDIR/$path.map"
1301	}	1998	}
1302		1999
1303	# the unique path, undef == no special unique path	2000	# the unique path, undef == no special unique path
1304	sub uniq_path {	2001	sub uniq_path {
1305	my ($self) = @_;	2002	my ($self) = @_;
1306		2003
1307	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2004	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1308	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2005	"$UNIQUEDIR/$path"
1309	}	2006	}
1310		2007
1311	# and all this just because we cannot iterate over	2008	sub decay_objects {
1312	# all maps in C++...
1313	sub change_all_map_light {
1314	my ($change) = @_;	2009	my ($self) = @_;
1315		2010
1316	$_->change_map_light ($change)	2011	return if $self->{deny_reset};
1317	for grep $_->outdoor, values %cf::MAP;	2012
		2013	$self->do_decay_objects;
1318	}	2014	}
1319		2015
1320	sub unlink_save {	2016	sub unlink_save {
1321	my ($self) = @_;	2017	my ($self) = @_;
1322		2018
…		…
1327		2023
1328	sub load_header_from($) {	2024	sub load_header_from($) {
1329	my ($self, $path) = @_;	2025	my ($self, $path) = @_;
1330		2026
1331	utf8::encode $path;	2027	utf8::encode $path;
1332	#aio_open $path, O_RDONLY, 0	2028	my $f = new_from_file cf::object::thawer $path
1333	# or return;
1334
1335	$self->_load_header ($path)
1336	or return;	2029	or return;
		2030
		2031	$self->_load_header ($f)
		2032	or return;
		2033
		2034	local $MAP_LOADING{$self->{path}} = $self;
		2035	$f->resolve_delayed_derefs;
1337		2036
1338	$self->{load_path} = $path;	2037	$self->{load_path} = $path;
1339		2038
1340	1	2039	1
1341	}	2040	}
…		…
1380	$self->load_header_orig	2079	$self->load_header_orig
1381	or return;	2080	or return;
1382	$self->prepare_orig;	2081	$self->prepare_orig;
1383	}	2082	}
1384		2083
		2084	$self->{deny_reset} = 1
		2085	if $self->no_reset;
		2086
		2087	$self->default_region (cf::region::find_by_path $self->{path})
		2088	unless $self->default_region;
		2089
1385	1	2090	1
1386	}	2091	}
1387		2092
1388	sub find;	2093	sub find;
1389	sub find {	2094	sub find {
1390	my ($path, $origin) = @_;	2095	my ($path, $origin) = @_;
1391		2096
		2097	cf::cede_to_tick;
		2098
1392	$path = normalise $path, $origin && $origin->path;	2099	$path = normalise $path, $origin && $origin->path;
1393		2100
		2101	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1394	cf::lock_wait "map_find:$path";	2102	my $guard2 = cf::lock_acquire "map_find:$path";
1395		2103
1396	$cf::MAP{$path} || do {	2104	$cf::MAP{$path} || do {
1397	my $guard = cf::lock_acquire "map_find:$path";
1398	my $map = new_from_path cf::map $path	2105	my $map = new_from_path cf::map $path
1399	or return;	2106	or return;
1400		2107
1401	$map->{last_save} = $cf::RUNTIME;	2108	$map->{last_save} = $cf::RUNTIME;
1402		2109
1403	$map->load_header	2110	$map->load_header
1404	or return;	2111	or return;
1405		2112
1406	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2113	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1407	# doing this can freeze the server in a sync job, obviously	2114	# doing this can freeze the server in a sync job, obviously
1408	#$cf::WAIT_FOR_TICK->wait;	2115	#$cf::WAIT_FOR_TICK->wait;
		2116	undef $guard2;
		2117	undef $guard1;
1409	$map->reset;	2118	$map->reset;
1410	undef $guard;
1411	return find $path;	2119	return find $path;
1412	}	2120	}
1413		2121
1414	$cf::MAP{$path} = $map	2122	$cf::MAP{$path} = $map
1415	}	2123	}
1416	}	2124	}
1417		2125
1418	sub pre_load { }	2126	sub pre_load { }
1419	sub post_load { }	2127	#sub post_load { } # XS
1420		2128
1421	sub load {	2129	sub load {
1422	my ($self) = @_;	2130	my ($self) = @_;
1423		2131
1424	local $self->{deny_reset} = 1; # loading can take a long time	2132	local $self->{deny_reset} = 1; # loading can take a long time
1425		2133
1426	my $path = $self->{path};	2134	my $path = $self->{path};
		2135
		2136	{
1427	my $guard = cf::lock_acquire "map_load:$path";	2137	my $guard = cf::lock_acquire "map_data:$path";
1428		2138
		2139	return unless $self->valid;
1429	return if $self->in_memory != cf::MAP_SWAPPED;	2140	return unless $self->in_memory == cf::MAP_SWAPPED;
1430		2141
1431	$self->in_memory (cf::MAP_LOADING);	2142	$self->in_memory (cf::MAP_LOADING);
1432		2143
1433	$self->alloc;	2144	$self->alloc;
1434		2145
1435	$self->pre_load;	2146	$self->pre_load;
		2147	cf::cede_to_tick;
1436		2148
1437	$self->_load_objects ($self->{load_path}, 1)	2149	my $f = new_from_file cf::object::thawer $self->{load_path};
		2150	$f->skip_block;
		2151	$self->_load_objects ($f)
1438	or return;	2152	or return;
1439		2153
1440	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2154	$self->post_load_original
1441	if delete $self->{load_original};	2155	if delete $self->{load_original};
1442		2156
1443	if (my $uniq = $self->uniq_path) {	2157	if (my $uniq = $self->uniq_path) {
1444	utf8::encode $uniq;	2158	utf8::encode $uniq;
1445	if (aio_open $uniq, O_RDONLY, 0) {	2159	unless (aio_stat $uniq) {
		2160	if (my $f = new_from_file cf::object::thawer $uniq) {
1446	$self->clear_unique_items;	2161	$self->clear_unique_items;
1447	$self->_load_objects ($uniq, 0);	2162	$self->_load_objects ($f);
		2163	$f->resolve_delayed_derefs;
		2164	}
1448	}	2165	}
1449	}	2166	}
1450		2167
1451	Coro::cede;	2168	$f->resolve_delayed_derefs;
1452		2169
		2170	cf::cede_to_tick;
1453	# now do the right thing for maps	2171	# now do the right thing for maps
1454	$self->link_multipart_objects;	2172	$self->link_multipart_objects;
1455
1456	unless ($self->{deny_activate}) {
1457	$self->decay_objects;
1458	$self->fix_auto_apply;
1459	$self->update_buttons;
1460	Coro::cede;
1461	$self->set_darkness_map;
1462	$self->difficulty ($self->estimate_difficulty)	2173	$self->difficulty ($self->estimate_difficulty)
1463	unless $self->difficulty;	2174	unless $self->difficulty;
1464	Coro::cede;	2175	cf::cede_to_tick;
		2176
		2177	unless ($self->{deny_activate}) {
		2178	$self->decay_objects;
		2179	$self->fix_auto_apply;
		2180	$self->update_buttons;
		2181	cf::cede_to_tick;
1465	$self->activate;	2182	$self->activate;
		2183	}
		2184
		2185	$self->{last_save} = $cf::RUNTIME;
		2186	$self->last_access ($cf::RUNTIME);
		2187
		2188	$self->in_memory (cf::MAP_ACTIVE);
1466	}	2189	}
1467		2190
1468	$self->post_load;	2191	$self->post_load;
1469
1470	$self->in_memory (cf::MAP_IN_MEMORY);
1471	}	2192	}
1472		2193
		2194	# customize the map for a given player, i.e.
		2195	# return the _real_ map. used by e.g. per-player
		2196	# maps to change the path to ~playername/mappath
1473	sub customise_for {	2197	sub customise_for {
1474	my ($self, $ob) = @_;	2198	my ($self, $ob) = @_;
1475		2199
1476	return find "~" . $ob->name . "/" . $self->{path}	2200	return find "~" . $ob->name . "/" . $self->{path}
1477	if $self->per_player;	2201	if $self->per_player;
1478		2202
		2203	# return find "?party/" . $ob->name . "/" . $self->{path}
		2204	# if $self->per_party;
		2205
1479	$self	2206	$self
1480	}	2207	}
1481		2208
1482	# find and load all maps in the 3x3 area around a map	2209	# find and load all maps in the 3x3 area around a map
1483	sub load_diag {	2210	sub load_neighbours {
1484	my ($map) = @_;	2211	my ($map) = @_;
1485		2212
1486	my @diag; # diagonal neighbours	2213	my @neigh; # diagonal neighbours
1487		2214
1488	for (0 .. 3) {	2215	for (0 .. 3) {
1489	my $neigh = $map->tile_path ($_)	2216	my $neigh = $map->tile_path ($_)
1490	or next;	2217	or next;
1491	$neigh = find $neigh, $map	2218	$neigh = find $neigh, $map
1492	or next;	2219	or next;
1493	$neigh->load;	2220	$neigh->load;
1494		2221
		2222	# now find the diagonal neighbours
		2223	push @neigh,
1495	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2224	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1496	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2225	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1497	}	2226	}
1498		2227
1499	for (@diag) {	2228	for (grep defined $_->[0], @neigh) {
		2229	my ($path, $origin) = @$_;
1500	my $neigh = find @$_	2230	my $neigh = find $path, $origin
1501	or next;	2231	or next;
1502	$neigh->load;	2232	$neigh->load;
1503	}	2233	}
1504	}	2234	}
1505		2235
1506	sub find_sync {	2236	sub find_sync {
1507	my ($path, $origin) = @_;	2237	my ($path, $origin) = @_;
1508		2238
1509	cf::sync_job { find $path, $origin }	2239	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2240	if $Coro::current == $Coro::main;
		2241
		2242	find $path, $origin
1510	}	2243	}
1511		2244
1512	sub do_load_sync {	2245	sub do_load_sync {
1513	my ($map) = @_;	2246	my ($map) = @_;
1514		2247
1515	cf::sync_job { $map->load };	2248	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2249	if $Coro::current == $Coro::main;
		2250
		2251	$map->load;
1516	}	2252	}
1517		2253
1518	our %MAP_PREFETCH;	2254	our %MAP_PREFETCH;
1519	our $MAP_PREFETCHER = undef;	2255	our $MAP_PREFETCHER = undef;
1520		2256
1521	sub find_async {	2257	sub find_async {
1522	my ($path, $origin) = @_;	2258	my ($path, $origin, $load) = @_;
1523		2259
1524	$path = normalise $path, $origin && $origin->{path};	2260	$path = normalise $path, $origin && $origin->{path};
1525		2261
1526	if (my $map = $cf::MAP{$path}) {	2262	if (my $map = $cf::MAP{$path}) {
1527	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2263	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1528	}	2264	}
1529		2265
1530	undef $MAP_PREFETCH{$path};	2266	$MAP_PREFETCH{$path} |= $load;
		2267
1531	$MAP_PREFETCHER ||= cf::async {	2268	$MAP_PREFETCHER ||= cf::async {
		2269	$Coro::current->{desc} = "map prefetcher";
		2270
1532	while (%MAP_PREFETCH) {	2271	while (%MAP_PREFETCH) {
1533	for my $path (keys %MAP_PREFETCH) {	2272	while (my ($k, $v) = each %MAP_PREFETCH) {
1534	my $map = find $path	2273	if (my $map = find $k) {
1535	or next;
1536	$map->load;	2274	$map->load if $v;
		2275	}
1537		2276
1538	delete $MAP_PREFETCH{$path};	2277	delete $MAP_PREFETCH{$k};
1539	}	2278	}
1540	}	2279	}
1541	undef $MAP_PREFETCHER;	2280	undef $MAP_PREFETCHER;
1542	};	2281	};
1543	$MAP_PREFETCHER->prio (6);	2282	$MAP_PREFETCHER->prio (6);
1544		2283
1545	()	2284	()
1546	}	2285	}
1547		2286
		2287	# common code, used by both ->save and ->swapout
1548	sub save {	2288	sub _save {
1549	my ($self) = @_;	2289	my ($self) = @_;
1550
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;
1552		2290
1553	$self->{last_save} = $cf::RUNTIME;	2291	$self->{last_save} = $cf::RUNTIME;
1554		2292
1555	return unless $self->dirty;	2293	return unless $self->dirty;
1556		2294
…		…
1562	return if $self->{deny_save};	2300	return if $self->{deny_save};
1563		2301
1564	local $self->{last_access} = $self->last_access;#d#	2302	local $self->{last_access} = $self->last_access;#d#
1565		2303
1566	cf::async {	2304	cf::async {
		2305	$Coro::current->{desc} = "map player save";
1567	$_->contr->save for $self->players;	2306	$_->contr->save for $self->players;
1568	};	2307	};
		2308
		2309	cf::get_slot 0.02;
1569		2310
1570	if ($uniq) {	2311	if ($uniq) {
1571	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2312	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1572	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2313	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1573	} else {	2314	} else {
1574	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2315	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1575	}	2316	}
1576	}	2317	}
1577		2318
		2319	sub save {
		2320	my ($self) = @_;
		2321
		2322	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2323
		2324	$self->_save;
		2325	}
		2326
1578	sub swap_out {	2327	sub swap_out {
1579	my ($self) = @_;	2328	my ($self) = @_;
1580		2329
1581	# save first because save cedes
1582	$self->save;
1583
1584	my $lock = cf::lock_acquire "map_data:" . $self->path;	2330	my $lock = cf::lock_acquire "map_data:$self->{path}";
1585		2331
		2332	return if $self->in_memory != cf::MAP_ACTIVE;
		2333	return if $self->{deny_save};
1586	return if $self->players;	2334	return if $self->players;
1587	return if $self->in_memory != cf::MAP_IN_MEMORY;
1588	return if $self->{deny_save};
1589		2335
		2336	# first deactivate the map and "unlink" it from the core
		2337	$self->deactivate;
		2338	$_->clear_links_to ($self) for values %cf::MAP;
		2339	$self->in_memory (cf::MAP_SWAPPED);
		2340
		2341	# then atomically save
		2342	$self->_save;
		2343
		2344	# then free the map
1590	$self->clear;	2345	$self->clear;
1591	$self->in_memory (cf::MAP_SWAPPED);
1592	}	2346	}
1593		2347
1594	sub reset_at {	2348	sub reset_at {
1595	my ($self) = @_;	2349	my ($self) = @_;
1596		2350
1597	# TODO: safety, remove and allow resettable per-player maps	2351	# TODO: safety, remove and allow resettable per-player maps
1598	return 1e99 if $self->isa ("ext::map_per_player");#d#
1599	return 1e99 if $self->{deny_reset};	2352	return 1e99 if $self->{deny_reset};
1600		2353
1601	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2354	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1602	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2355	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1603		2356
…		…
1614	my ($self) = @_;	2367	my ($self) = @_;
1615		2368
1616	my $lock = cf::lock_acquire "map_data:$self->{path}";	2369	my $lock = cf::lock_acquire "map_data:$self->{path}";
1617		2370
1618	return if $self->players;	2371	return if $self->players;
1619	return if $self->isa ("ext::map_per_player");#d#
1620		2372
1621	warn "resetting map ", $self->path;#d#	2373	cf::trace "resetting map ", $self->path, "\n";
1622		2374
1623	$self->in_memory (cf::MAP_SWAPPED);	2375	$self->in_memory (cf::MAP_SWAPPED);
1624		2376
1625	# need to save uniques path	2377	# need to save uniques path
1626	unless ($self->{deny_save}) {	2378	unless ($self->{deny_save}) {
…		…
1630	if $uniq;	2382	if $uniq;
1631	}	2383	}
1632		2384
1633	delete $cf::MAP{$self->path};	2385	delete $cf::MAP{$self->path};
1634		2386
		2387	$self->deactivate;
		2388	$_->clear_links_to ($self) for values %cf::MAP;
1635	$self->clear;	2389	$self->clear;
1636
1637	$_->clear_links_to ($self) for values %cf::MAP;
1638		2390
1639	$self->unlink_save;	2391	$self->unlink_save;
1640	$self->destroy;	2392	$self->destroy;
1641	}	2393	}
1642		2394
1643	my $nuke_counter = "aaaa";	2395	my $nuke_counter = "aaaa";
1644		2396
1645	sub nuke {	2397	sub nuke {
1646	my ($self) = @_;	2398	my ($self) = @_;
1647		2399
		2400	{
		2401	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2402
1648	delete $cf::MAP{$self->path};	2403	delete $cf::MAP{$self->path};
1649		2404
1650	$self->unlink_save;	2405	$self->unlink_save;
1651		2406
1652	bless $self, "cf::map";	2407	bless $self, "cf::map::wrap";
1653	delete $self->{deny_reset};	2408	delete $self->{deny_reset};
1654	$self->{deny_save} = 1;	2409	$self->{deny_save} = 1;
1655	$self->reset_timeout (1);	2410	$self->reset_timeout (1);
1656	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2411	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1657		2412
1658	$cf::MAP{$self->path} = $self;	2413	$cf::MAP{$self->path} = $self;
		2414	}
1659		2415
1660	$self->reset; # polite request, might not happen	2416	$self->reset; # polite request, might not happen
		2417	}
		2418
		2419	=item $maps = cf::map::tmp_maps
		2420
		2421	Returns an arrayref with all map paths of currently instantiated and saved
		2422	maps. May block.
		2423
		2424	=cut
		2425
		2426	sub tmp_maps() {
		2427	[
		2428	map {
		2429	utf8::decode $_;
		2430	/\.map$/
		2431	? normalise $_
		2432	: ()
		2433	} @{ aio_readdir $TMPDIR or [] }
		2434	]
		2435	}
		2436
		2437	=item $maps = cf::map::random_maps
		2438
		2439	Returns an arrayref with all map paths of currently instantiated and saved
		2440	random maps. May block.
		2441
		2442	=cut
		2443
		2444	sub random_maps() {
		2445	[
		2446	map {
		2447	utf8::decode $_;
		2448	/\.map$/
		2449	? normalise "?random/$_"
		2450	: ()
		2451	} @{ aio_readdir $RANDOMDIR or [] }
		2452	]
1661	}	2453	}
1662		2454
1663	=item cf::map::unique_maps	2455	=item cf::map::unique_maps
1664		2456
1665	Returns an arrayref of paths of all shared maps that have	2457	Returns an arrayref of paths of all shared maps that have
1666	instantiated unique items. May block.	2458	instantiated unique items. May block.
1667		2459
1668	=cut	2460	=cut
1669		2461
1670	sub unique_maps() {	2462	sub unique_maps() {
1671	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2463	[
1672	or return;	2464	map {
1673
1674	my @paths;
1675
1676	for (@$files) {
1677	utf8::decode $_;	2465	utf8::decode $_;
1678	next if /\.pst$/;	2466	s/\.map$//; # TODO future compatibility hack
1679	next unless /^$PATH_SEP/o;	2467	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1680		2468	? ()
1681	push @paths, cf::map::normalise $_;	2469	: normalise $_
		2470	} @{ aio_readdir $UNIQUEDIR or [] }
1682	}	2471	]
1683
1684	\@paths
1685	}	2472	}
1686		2473
1687	package cf;	2474	=item cf::map::static_maps
		2475
		2476	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2477	file in the shared directory excluding F</styles> and F</editor>). May
		2478	block.
		2479
		2480	=cut
		2481
		2482	sub static_maps() {
		2483	my @dirs = "";
		2484	my @maps;
		2485
		2486	while (@dirs) {
		2487	my $dir = shift @dirs;
		2488
		2489	next if $dir eq "/styles" || $dir eq "/editor";
		2490
		2491	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2492	or return;
		2493
		2494	for (@$files) {
		2495	s/\.map$// or next;
		2496	utf8::decode $_;
		2497	push @maps, "$dir/$_";
		2498	}
		2499
		2500	push @dirs, map "$dir/$_", @$dirs;
		2501	}
		2502
		2503	\@maps
		2504	}
1688		2505
1689	=back	2506	=back
1690		2507
1691	=head3 cf::object	2508	=head3 cf::object
1692		2509
…		…
1696		2513
1697	=over 4	2514	=over 4
1698		2515
1699	=item $ob->inv_recursive	2516	=item $ob->inv_recursive
1700		2517
1701	Returns the inventory of the object _and_ their inventories, recursively.	2518	Returns the inventory of the object I<and> their inventories, recursively,
		2519	but I<not> the object itself.
1702		2520
1703	=cut	2521	=cut
1704		2522
1705	sub inv_recursive_;	2523	sub inv_recursive_;
1706	sub inv_recursive_ {	2524	sub inv_recursive_ {
…		…
1709		2527
1710	sub inv_recursive {	2528	sub inv_recursive {
1711	inv_recursive_ inv $_[0]	2529	inv_recursive_ inv $_[0]
1712	}	2530	}
1713		2531
		2532	=item $ref = $ob->ref
		2533
		2534	Creates and returns a persistent reference to an object that can be stored as a string.
		2535
		2536	=item $ob = cf::object::deref ($refstring)
		2537
		2538	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2539	even if the object actually exists. May block.
		2540
		2541	=cut
		2542
		2543	sub deref {
		2544	my ($ref) = @_;
		2545
		2546	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2547	my ($uuid, $name) = ($1, $2);
		2548	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2549	or return;
		2550	$pl->ob->uuid eq $uuid
		2551	or return;
		2552
		2553	$pl->ob
		2554	} else {
		2555	warn "$ref: cannot resolve object reference\n";
		2556	undef
		2557	}
		2558	}
		2559
1714	package cf;	2560	package cf;
1715		2561
1716	=back	2562	=back
1717		2563
1718	=head3 cf::object::player	2564	=head3 cf::object::player
…		…
1724	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2570	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1725	can be C<undef>. Does the right thing when the player is currently in a	2571	can be C<undef>. Does the right thing when the player is currently in a
1726	dialogue with the given NPC character.	2572	dialogue with the given NPC character.
1727		2573
1728	=cut	2574	=cut
		2575
		2576	our $SAY_CHANNEL = {
		2577	id => "say",
		2578	title => "Map",
		2579	reply => "say ",
		2580	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2581	};
		2582
		2583	our $CHAT_CHANNEL = {
		2584	id => "chat",
		2585	title => "Chat",
		2586	reply => "chat ",
		2587	tooltip => "Player chat and shouts, global to the server.",
		2588	};
1729		2589
1730	# rough implementation of a future "reply" method that works	2590	# rough implementation of a future "reply" method that works
1731	# with dialog boxes.	2591	# with dialog boxes.
1732	#TODO: the first argument must go, split into a $npc->reply_to ( method	2592	#TODO: the first argument must go, split into a $npc->reply_to ( method
1733	sub cf::object::player::reply($$$;$) {	2593	sub cf::object::player::reply($$$;$) {
…		…
1735		2595
1736	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2596	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1737		2597
1738	if ($self->{record_replies}) {	2598	if ($self->{record_replies}) {
1739	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2599	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2600
1740	} else {	2601	} else {
		2602	my $pl = $self->contr;
		2603
		2604	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2605	my $dialog = $pl->{npc_dialog};
		2606	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2607
		2608	} else {
1741	$msg = $npc->name . " says: $msg" if $npc;	2609	$msg = $npc->name . " says: $msg" if $npc;
1742	$self->message ($msg, $flags);	2610	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2611	}
1743	}	2612	}
		2613	}
		2614
		2615	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2616
		2617	=cut
		2618
		2619	sub cf::object::send_msg {
		2620	my $pl = shift->contr
		2621	or return;
		2622	$pl->send_msg (@_);
1744	}	2623	}
1745		2624
1746	=item $player_object->may ("access")	2625	=item $player_object->may ("access")
1747		2626
1748	Returns wether the given player is authorized to access resource "access"	2627	Returns wether the given player is authorized to access resource "access"
…		…
1761		2640
1762	=item $player_object->enter_link	2641	=item $player_object->enter_link
1763		2642
1764	Freezes the player and moves him/her to a special map (C<{link}>).	2643	Freezes the player and moves him/her to a special map (C<{link}>).
1765		2644
1766	The player should be reasonably safe there for short amounts of time. You	2645	The player should be reasonably safe there for short amounts of time (e.g.
1767	I<MUST> call C<leave_link> as soon as possible, though.	2646	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2647	though, as the player cannot control the character while it is on the link
		2648	map.
1768		2649
1769	Will never block.	2650	Will never block.
1770		2651
1771	=item $player_object->leave_link ($map, $x, $y)	2652	=item $player_object->leave_link ($map, $x, $y)
1772		2653
…		…
1792	sub cf::object::player::enter_link {	2673	sub cf::object::player::enter_link {
1793	my ($self) = @_;	2674	my ($self) = @_;
1794		2675
1795	$self->deactivate_recursive;	2676	$self->deactivate_recursive;
1796		2677
		2678	++$self->{_link_recursion};
		2679
1797	return if UNIVERSAL::isa $self->map, "ext::map_link";	2680	return if UNIVERSAL::isa $self->map, "ext::map_link";
1798		2681
1799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2682	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1800	if $self->map;	2683	if $self->map && $self->map->{path} ne "{link}";
1801		2684
1802	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2685	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1803	}	2686	}
1804		2687
1805	sub cf::object::player::leave_link {	2688	sub cf::object::player::leave_link {
1806	my ($self, $map, $x, $y) = @_;	2689	my ($self, $map, $x, $y) = @_;
		2690
		2691	return unless $self->contr->active;
1807		2692
1808	my $link_pos = delete $self->{_link_pos};	2693	my $link_pos = delete $self->{_link_pos};
1809		2694
1810	unless ($map) {	2695	unless ($map) {
1811	# restore original map position	2696	# restore original map position
…		…
1822	($x, $y) = (-1, -1)	2707	($x, $y) = (-1, -1)
1823	unless (defined $x) && (defined $y);	2708	unless (defined $x) && (defined $y);
1824		2709
1825	# use -1 or undef as default coordinates, not 0, 0	2710	# use -1 or undef as default coordinates, not 0, 0
1826	($x, $y) = ($map->enter_x, $map->enter_y)	2711	($x, $y) = ($map->enter_x, $map->enter_y)
1827	if $x <=0 && $y <= 0;	2712	if $x <= 0 && $y <= 0;
1828		2713
1829	$map->load;	2714	$map->load;
1830	$map->load_diag;	2715	$map->load_neighbours;
1831		2716
1832	return unless $self->contr->active;	2717	return unless $self->contr->active;
1833	$self->activate_recursive;
1834		2718
1835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2719	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1836	$self->enter_map ($map, $x, $y);	2720	if ($self->enter_map ($map, $x, $y)) {
1837	}	2721	# entering was successful
1838		2722	delete $self->{_link_recursion};
1839	cf::player->attach (	2723	# only activate afterwards, to support waiting in hooks
1840	on_logout => sub {	2724	$self->activate_recursive;
1841	my ($pl) = @_;
1842
1843	# abort map switching before logout
1844	if ($pl->ob->{_link_pos}) {
1845	cf::sync_job {
1846	$pl->ob->leave_link
1847	};
1848	}
1849	},	2725	}
1850	on_login => sub {
1851	my ($pl) = @_;
1852		2726
1853	# try to abort aborted map switching on player login :)	2727	}
1854	# should happen only on crashes
1855	if ($pl->ob->{_link_pos}) {
1856	$pl->ob->enter_link;
1857	(async {
1858	$pl->ob->reply (undef,
1859	"There was an internal problem at your last logout, "
1860	. "the server will try to bring you to your intended destination in a second.",
1861	cf::NDI_RED);
1862	# we need this sleep as the login has a concurrent enter_exit running
1863	# and this sleep increases chances of the player not ending up in scorn
1864	Coro::Timer::sleep 1;
1865	$pl->ob->leave_link;
1866	})->prio (2);
1867	}
1868	},
1869	);
1870		2728
1871	=item $player_object->goto ($path, $x, $y)	2729	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1872		2730
		2731	Moves the player to the given map-path and coordinates by first freezing
		2732	her, loading and preparing them map, calling the provided $check callback
		2733	that has to return the map if sucecssful, and then unfreezes the player on
		2734	the new (success) or old (failed) map position. In either case, $done will
		2735	be called at the end of this process.
		2736
		2737	Note that $check will be called with a potentially non-loaded map, so if
		2738	it needs a loaded map it has to call C<< ->load >>.
		2739
1873	=cut	2740	=cut
		2741
		2742	our $GOTOGEN;
1874		2743
1875	sub cf::object::player::goto {	2744	sub cf::object::player::goto {
1876	my ($self, $path, $x, $y) = @_;	2745	my ($self, $path, $x, $y, $check, $done) = @_;
		2746
		2747	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2748	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2749	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2750	($path, $x, $y) = @$EMERGENCY_POSITION;
		2751	}
		2752
		2753	# do generation counting so two concurrent goto's will be executed in-order
		2754	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1877		2755
1878	$self->enter_link;	2756	$self->enter_link;
1879		2757
1880	(async {	2758	(async {
		2759	$Coro::current->{desc} = "player::goto $path $x $y";
		2760
		2761	# *tag paths override both path and x|y
		2762	if ($path =~ /^\*(.*)$/) {
		2763	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2764	my $ob = $obs[rand @obs];
		2765
		2766	# see if we actually can go there
		2767	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2768	$ob = $obs[rand @obs];
		2769	} else {
		2770	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2771	}
		2772	# else put us there anyways for now #d#
		2773
		2774	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2775	} else {
		2776	($path, $x, $y) = (undef, undef, undef);
		2777	}
		2778	}
		2779
1881	my $map = eval {	2780	my $map = eval {
1882	my $map = cf::map::find $path;	2781	my $map = defined $path ? cf::map::find $path : undef;
		2782
		2783	if ($map) {
1883	$map = $map->customise_for ($self) if $map;	2784	$map = $map->customise_for ($self);
		2785	$map = $check->($map, $x, $y, $self) if $check && $map;
		2786	} else {
		2787	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2788	}
		2789
1884	$map	2790	$map
		2791	};
		2792
		2793	if ($@) {
		2794	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2795	LOG llevError | logBacktrace, Carp::longmess $@;
1885	} or	2796	}
1886	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1887		2797
		2798	if ($gen == $self->{_goto_generation}) {
		2799	delete $self->{_goto_generation};
1888	$self->leave_link ($map, $x, $y);	2800	$self->leave_link ($map, $x, $y);
		2801	}
		2802
		2803	$done->($self) if $done;
1889	})->prio (1);	2804	})->prio (1);
1890	}	2805	}
1891		2806
1892	=item $player_object->enter_exit ($exit_object)	2807	=item $player_object->enter_exit ($exit_object)
1893		2808
…		…
1913	}	2828	}
1914		2829
1915	sub prepare_random_map {	2830	sub prepare_random_map {
1916	my ($exit) = @_;	2831	my ($exit) = @_;
1917		2832
1918	my $guard = cf::lock_acquire "exit_prepare:$exit";
1919
1920	# all this does is basically replace the /! path by	2833	# all this does is basically replace the /! path by
1921	# a new random map path (?random/...) with a seed	2834	# a new random map path (?random/...) with a seed
1922	# that depends on the exit object	2835	# that depends on the exit object
1923		2836
1924	my $rmp = parse_random_map_params $exit->msg;	2837	my $rmp = parse_random_map_params $exit->msg;
…		…
1926	if ($exit->map) {	2839	if ($exit->map) {
1927	$rmp->{region} = $exit->region->name;	2840	$rmp->{region} = $exit->region->name;
1928	$rmp->{origin_map} = $exit->map->path;	2841	$rmp->{origin_map} = $exit->map->path;
1929	$rmp->{origin_x} = $exit->x;	2842	$rmp->{origin_x} = $exit->x;
1930	$rmp->{origin_y} = $exit->y;	2843	$rmp->{origin_y} = $exit->y;
		2844
		2845	$exit->map->touch;
1931	}	2846	}
1932		2847
1933	$rmp->{random_seed} ||= $exit->random_seed;	2848	$rmp->{random_seed} ||= $exit->random_seed;
1934		2849
1935	my $data = cf::to_json $rmp;	2850	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1936	my $md5 = Digest::MD5::md5_hex $data;	2851	my $md5 = Digest::MD5::md5_hex $data;
1937	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2852	my $meta = "$RANDOMDIR/$md5.meta";
1938		2853
1939	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2854	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1940	aio_write $fh, 0, (length $data), $data, 0;	2855	aio_write $fh, 0, (length $data), $data, 0;
1941	undef $fh;	2856	undef $fh;
1942	aio_rename "$meta~", $meta;	2857	aio_rename "$meta~", $meta;
1943		2858
		2859	my $slaying = "?random/$md5";
		2860
		2861	if ($exit->valid) {
1944	$exit->slaying ("?random/$md5");	2862	$exit->slaying ("?random/$md5");
1945	$exit->msg (undef);	2863	$exit->msg (undef);
		2864	}
1946	}	2865	}
1947	}	2866	}
1948		2867
1949	sub cf::object::player::enter_exit {	2868	sub cf::object::player::enter_exit {
1950	my ($self, $exit) = @_;	2869	my ($self, $exit) = @_;
1951		2870
1952	return unless $self->type == cf::PLAYER;	2871	return unless $self->type == cf::PLAYER;
1953		2872
1954	if ($exit->slaying eq "/!") {
1955	#TODO: this should de-fi-ni-te-ly not be a sync-job
1956	cf::sync_job { prepare_random_map $exit };
1957	}
1958
1959	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1960	my $hp = $exit->stats->hp;
1961	my $sp = $exit->stats->sp;
1962
1963	$self->enter_link;	2873	$self->enter_link;
1964		2874
1965	(async {	2875	(async {
1966	$self->deactivate_recursive; # just to be sure	2876	$Coro::current->{desc} = "enter_exit";
		2877
1967	unless (eval {	2878	unless (eval {
		2879	$self->deactivate_recursive; # just to be sure
		2880
		2881	# random map handling
		2882	{
		2883	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2884
		2885	prepare_random_map $exit
		2886	if $exit->slaying eq "/!";
		2887	}
		2888
		2889	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2890	my $x = $exit->stats->hp;
		2891	my $y = $exit->stats->sp;
		2892
1968	$self->goto ($slaying, $hp, $sp);	2893	$self->goto ($map, $x, $y);
1969		2894
		2895	# if exit is damned, update players death & WoR home-position
		2896	$self->contr->savebed ($map, $x, $y)
		2897	if $exit->flag (cf::FLAG_DAMNED);
		2898
1970	1;	2899	1
1971	}) {	2900	}) {
1972	$self->message ("Something went wrong deep within the crossfire server. "	2901	$self->message ("Something went wrong deep within the deliantra server. "
1973	. "I'll try to bring you back to the map you were before. "	2902	. "I'll try to bring you back to the map you were before. "
1974	. "Please report this to the dungeon master!",	2903	. "Please report this to the dungeon master!",
1975	cf::NDI_UNIQUE | cf::NDI_RED);	2904	cf::NDI_UNIQUE | cf::NDI_RED);
1976		2905
1977	warn "ERROR in enter_exit: $@";	2906	error "ERROR in enter_exit: $@";
1978	$self->leave_link;	2907	$self->leave_link;
1979	}	2908	}
1980	})->prio (1);	2909	})->prio (1);
1981	}	2910	}
1982		2911
…		…
1993		2922
1994	sub cf::client::send_drawinfo {	2923	sub cf::client::send_drawinfo {
1995	my ($self, $text, $flags) = @_;	2924	my ($self, $text, $flags) = @_;
1996		2925
1997	utf8::encode $text;	2926	utf8::encode $text;
1998	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2927	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1999	}	2928	}
2000		2929
		2930	=item $client->send_big_packet ($pkt)
		2931
		2932	Like C<send_packet>, but tries to compress large packets, and fragments
		2933	them as required.
		2934
		2935	=cut
		2936
		2937	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2938
		2939	sub cf::client::send_big_packet {
		2940	my ($self, $pkt) = @_;
		2941
		2942	# try lzf for large packets
		2943	$pkt = "lzf " . Compress::LZF::compress $pkt
		2944	if 1024 <= length $pkt and $self->{can_lzf};
		2945
		2946	# split very large packets
		2947	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2948	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2949	$pkt = "frag";
		2950	}
		2951
		2952	$self->send_packet ($pkt);
		2953	}
		2954
		2955	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2956
		2957	Send a drawinfo or msg packet to the client, formatting the msg for the
		2958	client if neccessary. C<$type> should be a string identifying the type of
		2959	the message, with C<log> being the default. If C<$color> is negative, suppress
		2960	the message unless the client supports the msg packet.
		2961
		2962	=cut
		2963
		2964	# non-persistent channels (usually the info channel)
		2965	our %CHANNEL = (
		2966	"c/motd" => {
		2967	id => "infobox",
		2968	title => "MOTD",
		2969	reply => undef,
		2970	tooltip => "The message of the day",
		2971	},
		2972	"c/identify" => {
		2973	id => "infobox",
		2974	title => "Identify",
		2975	reply => undef,
		2976	tooltip => "Items recently identified",
		2977	},
		2978	"c/examine" => {
		2979	id => "infobox",
		2980	title => "Examine",
		2981	reply => undef,
		2982	tooltip => "Signs and other items you examined",
		2983	},
		2984	"c/shopinfo" => {
		2985	id => "infobox",
		2986	title => "Shop Info",
		2987	reply => undef,
		2988	tooltip => "What your bargaining skill tells you about the shop",
		2989	},
		2990	"c/book" => {
		2991	id => "infobox",
		2992	title => "Book",
		2993	reply => undef,
		2994	tooltip => "The contents of a note or book",
		2995	},
		2996	"c/lookat" => {
		2997	id => "infobox",
		2998	title => "Look",
		2999	reply => undef,
		3000	tooltip => "What you saw there",
		3001	},
		3002	"c/who" => {
		3003	id => "infobox",
		3004	title => "Players",
		3005	reply => undef,
		3006	tooltip => "Shows players who are currently online",
		3007	},
		3008	"c/body" => {
		3009	id => "infobox",
		3010	title => "Body Parts",
		3011	reply => undef,
		3012	tooltip => "Shows which body parts you posess and are available",
		3013	},
		3014	"c/statistics" => {
		3015	id => "infobox",
		3016	title => "Statistics",
		3017	reply => undef,
		3018	tooltip => "Shows your primary statistics",
		3019	},
		3020	"c/skills" => {
		3021	id => "infobox",
		3022	title => "Skills",
		3023	reply => undef,
		3024	tooltip => "Shows your experience per skill and item power",
		3025	},
		3026	"c/shopitems" => {
		3027	id => "infobox",
		3028	title => "Shop Items",
		3029	reply => undef,
		3030	tooltip => "Shows the items currently for sale in this shop",
		3031	},
		3032	"c/resistances" => {
		3033	id => "infobox",
		3034	title => "Resistances",
		3035	reply => undef,
		3036	tooltip => "Shows your resistances",
		3037	},
		3038	"c/pets" => {
		3039	id => "infobox",
		3040	title => "Pets",
		3041	reply => undef,
		3042	tooltip => "Shows information abotu your pets/a specific pet",
		3043	},
		3044	"c/perceiveself" => {
		3045	id => "infobox",
		3046	title => "Perceive Self",
		3047	reply => undef,
		3048	tooltip => "You gained detailed knowledge about yourself",
		3049	},
		3050	"c/uptime" => {
		3051	id => "infobox",
		3052	title => "Uptime",
		3053	reply => undef,
		3054	tooltip => "How long the server has been running since last restart",
		3055	},
		3056	"c/mapinfo" => {
		3057	id => "infobox",
		3058	title => "Map Info",
		3059	reply => undef,
		3060	tooltip => "Information related to the maps",
		3061	},
		3062	"c/party" => {
		3063	id => "party",
		3064	title => "Party",
		3065	reply => "gsay ",
		3066	tooltip => "Messages and chat related to your party",
		3067	},
		3068	"c/death" => {
		3069	id => "death",
		3070	title => "Death",
		3071	reply => undef,
		3072	tooltip => "Reason for and more info about your most recent death",
		3073	},
		3074	"c/say" => $SAY_CHANNEL,
		3075	"c/chat" => $CHAT_CHANNEL,
		3076	);
		3077
		3078	sub cf::client::send_msg {
		3079	my ($self, $channel, $msg, $color, @extra) = @_;
		3080
		3081	$msg = $self->pl->expand_cfpod ($msg)
		3082	unless $color & cf::NDI_VERBATIM;
		3083
		3084	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3085
		3086	# check predefined channels, for the benefit of C
		3087	if ($CHANNEL{$channel}) {
		3088	$channel = $CHANNEL{$channel};
		3089
		3090	$self->ext_msg (channel_info => $channel);
		3091	$channel = $channel->{id};
		3092
		3093	} elsif (ref $channel) {
		3094	# send meta info to client, if not yet sent
		3095	unless (exists $self->{channel}{$channel->{id}}) {
		3096	$self->{channel}{$channel->{id}} = $channel;
		3097	$self->ext_msg (channel_info => $channel);
		3098	}
		3099
		3100	$channel = $channel->{id};
		3101	}
		3102
		3103	return unless @extra || length $msg;
		3104
		3105	# default colour, mask it out
		3106	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3107	if $color & cf::NDI_DEF;
		3108
		3109	my $pkt = "msg "
		3110	. $self->{json_coder}->encode (
		3111	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3112	);
		3113
		3114	$self->send_big_packet ($pkt);
		3115	}
		3116
		3117	=item $client->ext_msg ($type, @msg)
		3118
		3119	Sends an ext event to the client.
		3120
		3121	=cut
		3122
		3123	sub cf::client::ext_msg($$@) {
		3124	my ($self, $type, @msg) = @_;
		3125
		3126	if ($self->extcmd == 2) {
		3127	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3128	} elsif ($self->extcmd == 1) { # TODO: remove
		3129	push @msg, msgtype => "event_$type";
		3130	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3131	}
		3132	}
		3133
		3134	=item $client->ext_reply ($msgid, @msg)
		3135
		3136	Sends an ext reply to the client.
		3137
		3138	=cut
		3139
		3140	sub cf::client::ext_reply($$@) {
		3141	my ($self, $id, @msg) = @_;
		3142
		3143	if ($self->extcmd == 2) {
		3144	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3145	} elsif ($self->extcmd == 1) {
		3146	#TODO: version 1, remove
		3147	unshift @msg, msgtype => "reply", msgid => $id;
		3148	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3149	}
		3150	}
2001		3151
2002	=item $success = $client->query ($flags, "text", \&cb)	3152	=item $success = $client->query ($flags, "text", \&cb)
2003		3153
2004	Queues a query to the client, calling the given callback with	3154	Queues a query to the client, calling the given callback with
2005	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3155	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2006	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3156	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2007		3157
2008	Queries can fail, so check the return code. Or don't, as queries will become	3158	Queries can fail, so check the return code. Or don't, as queries will
2009	reliable at some point in the future.	3159	become reliable at some point in the future.
2010		3160
2011	=cut	3161	=cut
2012		3162
2013	sub cf::client::query {	3163	sub cf::client::query {
2014	my ($self, $flags, $text, $cb) = @_;	3164	my ($self, $flags, $text, $cb) = @_;
…		…
2022	utf8::encode $text;	3172	utf8::encode $text;
2023	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3173	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2024		3174
2025	$self->send_packet ($self->{query_queue}[0][0])	3175	$self->send_packet ($self->{query_queue}[0][0])
2026	if @{ $self->{query_queue} } == 1;	3176	if @{ $self->{query_queue} } == 1;
		3177
		3178	1
2027	}	3179	}
2028		3180
2029	cf::client->attach (	3181	cf::client->attach (
		3182	on_connect => sub {
		3183	my ($ns) = @_;
		3184
		3185	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3186	},
2030	on_reply => sub {	3187	on_reply => sub {
2031	my ($ns, $msg) = @_;	3188	my ($ns, $msg) = @_;
2032		3189
2033	# this weird shuffling is so that direct followup queries	3190	# this weird shuffling is so that direct followup queries
2034	# get handled first	3191	# get handled first
…		…
2046	} else {	3203	} else {
2047	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3204	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2048	}	3205	}
2049	}	3206	}
2050	},	3207	},
		3208	on_exticmd => sub {
		3209	my ($ns, $buf) = @_;
		3210
		3211	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3212
		3213	if (ref $msg) {
		3214	my ($type, $reply, @payload) =
		3215	"ARRAY" eq ref $msg
		3216	? @$msg
		3217	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3218
		3219	my @reply;
		3220
		3221	if (my $cb = $EXTICMD{$type}) {
		3222	@reply = $cb->($ns, @payload);
		3223	}
		3224
		3225	$ns->ext_reply ($reply, @reply)
		3226	if $reply;
		3227
		3228	} else {
		3229	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3230	}
		3231
		3232	cf::override;
		3233	},
2051	);	3234	);
2052		3235
2053	=item $client->async (\&cb)	3236	=item $client->async (\&cb)
2054		3237
2055	Create a new coroutine, running the specified callback. The coroutine will	3238	Create a new coroutine, running the specified callback. The coroutine will
…		…
2071		3254
2072	$coro	3255	$coro
2073	}	3256	}
2074		3257
2075	cf::client->attach (	3258	cf::client->attach (
2076	on_destroy => sub {	3259	on_client_destroy => sub {
2077	my ($ns) = @_;	3260	my ($ns) = @_;
2078		3261
2079	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3262	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2080	},	3263	},
2081	);	3264	);
…		…
2096	our $safe = new Safe "safe";	3279	our $safe = new Safe "safe";
2097	our $safe_hole = new Safe::Hole;	3280	our $safe_hole = new Safe::Hole;
2098		3281
2099	$SIG{FPE} = 'IGNORE';	3282	$SIG{FPE} = 'IGNORE';
2100		3283
2101	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3284	$safe->permit_only (Opcode::opset qw(
		3285	:base_core :base_mem :base_orig :base_math :base_loop
		3286	grepstart grepwhile mapstart mapwhile
		3287	sort time
		3288	));
2102		3289
2103	# here we export the classes and methods available to script code	3290	# here we export the classes and methods available to script code
2104		3291
2105	=pod	3292	=pod
2106		3293
2107	The following fucntions and emthods are available within a safe environment:	3294	The following functions and methods are available within a safe environment:
2108		3295
2109	cf::object contr pay_amount pay_player map	3296	cf::object
		3297	contr pay_amount pay_player map x y force_find force_add destroy
		3298	insert remove name archname title slaying race decrease split
		3299	value
		3300
2110	cf::object::player player	3301	cf::object::player
2111	cf::player peaceful	3302	player
2112	cf::map trigger	3303
		3304	cf::player
		3305	peaceful
		3306
		3307	cf::map
		3308	trigger
2113		3309
2114	=cut	3310	=cut
2115		3311
2116	for (	3312	for (
2117	["cf::object" => qw(contr pay_amount pay_player map)],	3313	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3314	insert remove inv nrof name archname title slaying race
		3315	decrease split destroy change_exp value msg lore send_msg)],
2118	["cf::object::player" => qw(player)],	3316	["cf::object::player" => qw(player)],
2119	["cf::player" => qw(peaceful)],	3317	["cf::player" => qw(peaceful send_msg)],
2120	["cf::map" => qw(trigger)],	3318	["cf::map" => qw(trigger)],
2121	) {	3319	) {
2122	no strict 'refs';
2123	my ($pkg, @funs) = @$_;	3320	my ($pkg, @funs) = @$_;
2124	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3321	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2125	for @funs;	3322	for @funs;
2126	}	3323	}
2127		3324
…		…
2142		3339
2143	my $qcode = $code;	3340	my $qcode = $code;
2144	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3341	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2145	$qcode =~ s/\n/\\n/g;	3342	$qcode =~ s/\n/\\n/g;
2146		3343
		3344	%vars = (_dummy => 0) unless %vars;
		3345
		3346	my @res;
2147	local $_;	3347	local $_;
2148	local @safe::cf::_safe_eval_args = values %vars;
2149		3348
2150	my $eval =	3349	my $eval =
2151	"do {\n"	3350	"do {\n"
2152	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3351	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2153	. "#line 0 \"{$qcode}\"\n"	3352	. "#line 0 \"{$qcode}\"\n"
2154	. $code	3353	. $code
2155	. "\n}"	3354	. "\n}"
2156	;	3355	;
2157		3356
		3357	if ($CFG{safe_eval}) {
2158	sub_generation_inc;	3358	sub_generation_inc;
		3359	local @safe::cf::_safe_eval_args = values %vars;
2159	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3360	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2160	sub_generation_inc;	3361	sub_generation_inc;
		3362	} else {
		3363	local @cf::_safe_eval_args = values %vars;
		3364	@res = wantarray ? eval eval : scalar eval $eval;
		3365	}
2161		3366
2162	if ($@) {	3367	if ($@) {
2163	warn "$@";	3368	warn "$@",
2164	warn "while executing safe code '$code'\n";	3369	"while executing safe code '$code'\n",
2165	warn "with arguments " . (join " ", %vars) . "\n";	3370	"with arguments " . (join " ", %vars) . "\n";
2166	}	3371	}
2167		3372
2168	wantarray ? @res : $res[0]	3373	wantarray ? @res : $res[0]
2169	}	3374	}
2170		3375
…		…
2184	=cut	3389	=cut
2185		3390
2186	sub register_script_function {	3391	sub register_script_function {
2187	my ($fun, $cb) = @_;	3392	my ($fun, $cb) = @_;
2188		3393
2189	no strict 'refs';	3394	$fun = "safe::$fun" if $CFG{safe_eval};
2190	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3395	*$fun = $safe_hole->wrap ($cb);
2191	}	3396	}
2192		3397
2193	=back	3398	=back
2194		3399
2195	=cut	3400	=cut
2196
2197	#############################################################################
2198
2199	=head2 EXTENSION DATABASE SUPPORT
2200
2201	Crossfire maintains a very simple database for extension use. It can
2202	currently store anything that can be serialised using Storable, which
2203	excludes objects.
2204
2205	The parameter C<$family> should best start with the name of the extension
2206	using it, it should be unique.
2207
2208	=over 4
2209
2210	=item $value = cf::db_get $family => $key
2211
2212	Returns a single value from the database.
2213
2214	=item cf::db_put $family => $key => $value
2215
2216	Stores the given C<$value> in the family.
2217
2218	=cut
2219
2220	our $DB;
2221
2222	sub db_init {
2223	unless ($DB) {
2224	$DB = BDB::db_create $DB_ENV;
2225
2226	cf::sync_job {
2227	eval {
2228	$DB->set_flags (BDB::CHKSUM);
2229
2230	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2231	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2232	cf::cleanup "db_open(db): $!" if $!;
2233	};
2234	cf::cleanup "db_open(db): $@" if $@;
2235	};
2236
2237	my $path = cf::localdir . "/database.pst";
2238	if (stat $path) {
2239	cf::sync_job {
2240	my $pst = Storable::retrieve $path;
2241
2242	cf::db_put (board => data => $pst->{board});
2243	cf::db_put (guildrules => data => $pst->{guildrules});
2244	cf::db_put (rent => balance => $pst->{rent}{balance});
2245	BDB::db_env_txn_checkpoint $DB_ENV;
2246
2247	unlink $path;
2248	};
2249	}
2250	}
2251	}
2252
2253	sub db_get($$) {
2254	my $key = "$_[0]/$_[1]";
2255
2256	cf::sync_job {
2257	BDB::db_get $DB, undef, $key, my $data;
2258
2259	$! ? ()
2260	: Compress::LZF::sthaw $data
2261	}
2262	}
2263
2264	sub db_put($$$) {
2265	BDB::dbreq_pri 4;
2266	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2267	}
2268		3401
2269	#############################################################################	3402	#############################################################################
2270	# the server's init and main functions	3403	# the server's init and main functions
2271		3404
2272	sub load_faces {	3405	sub load_facedata($) {
2273	my $path = sprintf "%s/faces", cf::datadir;	3406	my ($path) = @_;
2274		3407
		3408	# HACK to clear player env face cache, we need some signal framework
		3409	# for this (global event?)
		3410	%ext::player_env::MUSIC_FACE_CACHE = ();
		3411
		3412	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3413
2275	warn "loading faces from $path\n";	3414	trace "loading facedata from $path\n";
2276		3415
2277	my $faces;
2278	0 < aio_load $path, $faces	3416	0 < aio_load $path, my $facedata
2279	or die "$path: $!";	3417	or die "$path: $!";
2280		3418
2281	Coro::cede;
2282	$faces = Storable::thaw $faces;	3419	$facedata = Coro::Storable::thaw $facedata;
2283	Coro::cede;
2284		3420
		3421	$facedata->{version} == 2
		3422	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3423
		3424	# patch in the exptable
		3425	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3426	$facedata->{resource}{"res/exp_table"} = {
		3427	type => FT_RSRC,
		3428	data => $exp_table,
		3429	hash => (Digest::MD5::md5 $exp_table),
		3430	};
		3431	cf::cede_to_tick;
		3432
		3433	{
		3434	my $faces = $facedata->{faceinfo};
		3435
2285	while (my ($face, $info) = each %$faces) {	3436	while (my ($face, $info) = each %$faces) {
2286	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3437	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2287	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3438
		3439	cf::face::set_visibility $idx, $info->{visibility};
		3440	cf::face::set_magicmap $idx, $info->{magicmap};
2288	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3441	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2289	Coro::cede;	3442	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3443
		3444	cf::cede_to_tick;
		3445	}
		3446
		3447	while (my ($face, $info) = each %$faces) {
		3448	next unless $info->{smooth};
		3449
		3450	my $idx = cf::face::find $face
		3451	or next;
		3452
		3453	if (my $smooth = cf::face::find $info->{smooth}) {
		3454	cf::face::set_smooth $idx, $smooth;
		3455	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3456	} else {
		3457	error "smooth face '$info->{smooth}' not found for face '$face'";
		3458	}
		3459
		3460	cf::cede_to_tick;
		3461	}
		3462	}
		3463
2290	}	3464	{
		3465	my $anims = $facedata->{animinfo};
		3466
		3467	while (my ($anim, $info) = each %$anims) {
		3468	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3469	cf::cede_to_tick;
		3470	}
		3471
		3472	cf::anim::invalidate_all; # d'oh
		3473	}
		3474
		3475	{
		3476	my $res = $facedata->{resource};
		3477
		3478	while (my ($name, $info) = each %$res) {
		3479	if (defined $info->{type}) {
		3480	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3481
		3482	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3483	cf::face::set_type $idx, $info->{type};
		3484	} else {
		3485	$RESOURCE{$name} = $info; # unused
		3486	}
		3487
		3488	cf::cede_to_tick;
		3489	}
		3490	}
		3491
		3492	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2291		3493
2292	1	3494	1
2293	}	3495	}
2294		3496
		3497	register_exticmd fx_want => sub {
		3498	my ($ns, $want) = @_;
		3499
		3500	while (my ($k, $v) = each %$want) {
		3501	$ns->fx_want ($k, $v);
		3502	}
		3503	};
		3504
		3505	sub load_resource_file($) {
		3506	my $guard = lock_acquire "load_resource_file";
		3507
		3508	my $status = load_resource_file_ $_[0];
		3509	get_slot 0.1, 100;
		3510	cf::arch::commit_load;
		3511
		3512	$status
		3513	}
		3514
		3515	sub reload_regions {
		3516	# HACK to clear player env face cache, we need some signal framework
		3517	# for this (global event?)
		3518	%ext::player_env::MUSIC_FACE_CACHE = ();
		3519
		3520	load_resource_file "$MAPDIR/regions"
		3521	or die "unable to load regions file\n";
		3522
		3523	for (cf::region::list) {
		3524	$_->{match} = qr/$_->{match}/
		3525	if exists $_->{match};
		3526	}
		3527	}
		3528
		3529	sub reload_facedata {
		3530	load_facedata "$DATADIR/facedata"
		3531	or die "unable to load facedata\n";
		3532	}
		3533
		3534	sub reload_archetypes {
		3535	load_resource_file "$DATADIR/archetypes"
		3536	or die "unable to load archetypes\n";
		3537	}
		3538
		3539	sub reload_treasures {
		3540	load_resource_file "$DATADIR/treasures"
		3541	or die "unable to load treasurelists\n";
		3542	}
		3543
		3544	sub reload_sound {
		3545	trace "loading sound config from $DATADIR/sound\n";
		3546
		3547	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3548	or die "$DATADIR/sound $!";
		3549
		3550	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3551
		3552	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3553	my $sound = $soundconf->{compat}[$_]
		3554	or next;
		3555
		3556	my $face = cf::face::find "sound/$sound->[1]";
		3557	cf::sound::set $sound->[0] => $face;
		3558	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3559	}
		3560
		3561	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3562	my $face = cf::face::find "sound/$v";
		3563	cf::sound::set $k => $face;
		3564	}
		3565	}
		3566
2295	sub reload_resources {	3567	sub reload_resources {
2296	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3568	trace "reloading resource files...\n";
2297	or die "unable to load regions file\n";#d#	3569
		3570	reload_exp_table;
		3571	reload_materials;
2298	load_faces	3572	reload_facedata;
2299	or die "unable to load faces\n";#d#	3573	reload_sound;
2300	}	3574	reload_archetypes;
2301
2302	sub init {
2303	reload_resources;	3575	reload_regions;
2304	}	3576	reload_treasures;
2305		3577
2306	sub cfg_load {	3578	trace "finished reloading resource files\n";
2307	open my $fh, "<:utf8", cf::confdir . "/config"	3579	}
2308	or return;
2309		3580
2310	local $/;	3581	sub reload_config {
2311	*CFG = YAML::Syck::Load <$fh>;	3582	trace "reloading config file...\n";
2312		3583
		3584	0 < aio_load "$CONFDIR/config", my $config
		3585	or die "$CONFDIR/config: $!";
		3586
		3587	utf8::decode $config;
		3588	*CFG = yaml_load $config;
		3589
2313	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3590	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2314		3591
2315	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3592	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2316	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3593	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2317		3594
2318	if (exists $CFG{mlockall}) {	3595	if (exists $CFG{mlockall}) {
…		…
2322	};	3599	};
2323	warn $@ if $@;	3600	warn $@ if $@;
2324	}	3601	}
2325	}	3602	}
2326		3603
		3604	sub pidfile() {
		3605	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3606	or die "$PIDFILE: $!";
		3607	flock $fh, &Fcntl::LOCK_EX
		3608	or die "$PIDFILE: flock: $!";
		3609	$fh
		3610	}
		3611
		3612	# make sure only one server instance is running at any one time
		3613	sub atomic {
		3614	my $fh = pidfile;
		3615
		3616	my $pid = <$fh>;
		3617	kill 9, $pid if $pid > 0;
		3618
		3619	seek $fh, 0, 0;
		3620	print $fh $$;
		3621	}
		3622
		3623	sub main_loop {
		3624	trace "EV::loop starting\n";
		3625	if (1) {
		3626	EV::loop;
		3627	}
		3628	trace "EV::loop returned\n";
		3629	goto &main_loop unless $REALLY_UNLOOP;
		3630	}
		3631
2327	sub main {	3632	sub main {
		3633	cf::init_globals; # initialise logging
		3634
		3635	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3636	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3637	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3638	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3639
		3640	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3641
2328	# we must not ever block the main coroutine	3642	# we must not ever block the main coroutine
2329	local $Coro::idle = sub {	3643	local $Coro::idle = sub {
2330	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3644	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2331	(async {	3645	(async {
2332	Event::one_event;	3646	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3647	EV::loop EV::LOOP_ONESHOT;
2333	})->prio (Coro::PRIO_MAX);	3648	})->prio (Coro::PRIO_MAX);
2334	};	3649	};
2335		3650
2336	cfg_load;	3651	evthread_start IO::AIO::poll_fileno;
		3652
		3653	cf::sync_job {
		3654	cf::incloader::init ();
		3655
		3656	cf::init_anim;
		3657	cf::init_attackmess;
		3658	cf::init_dynamic;
		3659
		3660	cf::load_settings;
		3661
		3662	reload_resources;
		3663	reload_config;
2337	db_init;	3664	db_init;
		3665
		3666	cf::init_uuid;
		3667	cf::init_signals;
		3668	cf::init_skills;
		3669
		3670	cf::init_beforeplay;
		3671
		3672	atomic;
		3673
2338	load_extensions;	3674	load_extensions;
2339		3675
2340	$TICK_WATCHER->start;	3676	utime time, time, $RUNTIMEFILE;
2341	Event::loop;	3677
		3678	# no (long-running) fork's whatsoever before this point(!)
		3679	use POSIX ();
		3680	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3681
		3682	cf::_post_init 0;
		3683	};
		3684
		3685	cf::object::thawer::errors_are_fatal 0;
		3686	info "parse errors in files are no longer fatal from this point on.\n";
		3687
		3688	my $free_main; $free_main = EV::idle sub {
		3689	undef $free_main;
		3690	undef &main; # free gobs of memory :)
		3691	};
		3692
		3693	goto &main_loop;
2342	}	3694	}
2343		3695
2344	#############################################################################	3696	#############################################################################
2345	# initialisation and cleanup	3697	# initialisation and cleanup
2346		3698
2347	# install some emergency cleanup handlers	3699	# install some emergency cleanup handlers
2348	BEGIN {	3700	BEGIN {
		3701	our %SIGWATCHER = ();
2349	for my $signal (qw(INT HUP TERM)) {	3702	for my $signal (qw(INT HUP TERM)) {
2350	Event->signal (	3703	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2351	reentrant => 0,
2352	data => WF_AUTOCANCEL,
2353	signal => $signal,
2354	prio => 0,
2355	cb => sub {
2356	cf::cleanup "SIG$signal";	3704	cf::cleanup "SIG$signal";
2357	},
2358	);	3705	};
		3706	}
		3707	}
		3708
		3709	sub write_runtime_sync {
		3710	my $t0 = AE::time;
		3711
		3712	# first touch the runtime file to show we are still running:
		3713	# the fsync below can take a very very long time.
		3714
		3715	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3716
		3717	my $guard = cf::lock_acquire "write_runtime";
		3718
		3719	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3720	or return;
		3721
		3722	my $value = $cf::RUNTIME + 90 + 10;
		3723	# 10 is the runtime save interval, for a monotonic clock
		3724	# 60 allows for the watchdog to kill the server.
		3725
		3726	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3727	and return;
		3728
		3729	# always fsync - this file is important
		3730	aio_fsync $fh
		3731	and return;
		3732
		3733	# touch it again to show we are up-to-date
		3734	aio_utime $fh, undef, undef;
		3735
		3736	close $fh
		3737	or return;
		3738
		3739	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3740	and return;
		3741
		3742	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3743
2359	}	3744	1
		3745	}
		3746
		3747	our $uuid_lock;
		3748	our $uuid_skip;
		3749
		3750	sub write_uuid_sync($) {
		3751	$uuid_skip ||= $_[0];
		3752
		3753	return if $uuid_lock;
		3754	local $uuid_lock = 1;
		3755
		3756	my $uuid = "$LOCALDIR/uuid";
		3757
		3758	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3759	or return;
		3760
		3761	my $value = uuid_seq uuid_cur;
		3762
		3763	unless ($value) {
		3764	info "cowardly refusing to write zero uuid value!\n";
		3765	return;
		3766	}
		3767
		3768	my $value = uuid_str $value + $uuid_skip;
		3769	$uuid_skip = 0;
		3770
		3771	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3772	and return;
		3773
		3774	# always fsync - this file is important
		3775	aio_fsync $fh
		3776	and return;
		3777
		3778	close $fh
		3779	or return;
		3780
		3781	aio_rename "$uuid~", $uuid
		3782	and return;
		3783
		3784	trace "uuid file written ($value).\n";
		3785
		3786	1
		3787
		3788	}
		3789
		3790	sub write_uuid($$) {
		3791	my ($skip, $sync) = @_;
		3792
		3793	$sync ? write_uuid_sync $skip
		3794	: async { write_uuid_sync $skip };
2360	}	3795	}
2361		3796
2362	sub emergency_save() {	3797	sub emergency_save() {
2363	my $freeze_guard = cf::freeze_mainloop;	3798	my $freeze_guard = cf::freeze_mainloop;
2364		3799
2365	warn "enter emergency perl save\n";	3800	info "emergency_perl_save: enter\n";
		3801
		3802	# this is a trade-off: we want to be very quick here, so
		3803	# save all maps without fsync, and later call a global sync
		3804	# (which in turn might be very very slow)
		3805	local $USE_FSYNC = 0;
2366		3806
2367	cf::sync_job {	3807	cf::sync_job {
		3808	cf::write_runtime_sync; # external watchdog should not bark
		3809
2368	# use a peculiar iteration method to avoid tripping on perl	3810	# use a peculiar iteration method to avoid tripping on perl
2369	# refcount bugs in for. also avoids problems with players	3811	# refcount bugs in for. also avoids problems with players
2370	# and maps saved/destroyed asynchronously.	3812	# and maps saved/destroyed asynchronously.
2371	warn "begin emergency player save\n";	3813	info "emergency_perl_save: begin player save\n";
2372	for my $login (keys %cf::PLAYER) {	3814	for my $login (keys %cf::PLAYER) {
2373	my $pl = $cf::PLAYER{$login} or next;	3815	my $pl = $cf::PLAYER{$login} or next;
2374	$pl->valid or next;	3816	$pl->valid or next;
		3817	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2375	$pl->save;	3818	$pl->save;
2376	}	3819	}
2377	warn "end emergency player save\n";	3820	info "emergency_perl_save: end player save\n";
2378		3821
2379	warn "begin emergency map save\n";	3822	cf::write_runtime_sync; # external watchdog should not bark
		3823
		3824	info "emergency_perl_save: begin map save\n";
2380	for my $path (keys %cf::MAP) {	3825	for my $path (keys %cf::MAP) {
2381	my $map = $cf::MAP{$path} or next;	3826	my $map = $cf::MAP{$path} or next;
2382	$map->valid or next;	3827	$map->valid or next;
2383	$map->save;	3828	$map->save;
2384	}	3829	}
2385	warn "end emergency map save\n";	3830	info "emergency_perl_save: end map save\n";
2386		3831
2387	warn "begin emergency database checkpoint\n";	3832	cf::write_runtime_sync; # external watchdog should not bark
		3833
		3834	info "emergency_perl_save: begin database checkpoint\n";
2388	BDB::db_env_txn_checkpoint $DB_ENV;	3835	BDB::db_env_txn_checkpoint $DB_ENV;
2389	warn "end emergency database checkpoint\n";	3836	info "emergency_perl_save: end database checkpoint\n";
		3837
		3838	info "emergency_perl_save: begin write uuid\n";
		3839	write_uuid_sync 1;
		3840	info "emergency_perl_save: end write uuid\n";
		3841
		3842	cf::write_runtime_sync; # external watchdog should not bark
		3843
		3844	trace "emergency_perl_save: syncing database to disk";
		3845	BDB::db_env_txn_checkpoint $DB_ENV;
		3846
		3847	info "emergency_perl_save: starting sync\n";
		3848	IO::AIO::aio_sync sub {
		3849	info "emergency_perl_save: finished sync\n";
		3850	};
		3851
		3852	cf::write_runtime_sync; # external watchdog should not bark
		3853
		3854	trace "emergency_perl_save: flushing outstanding aio requests";
		3855	while (IO::AIO::nreqs || BDB::nreqs) {
		3856	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3857	}
		3858
		3859	cf::write_runtime_sync; # external watchdog should not bark
2390	};	3860	};
2391		3861
2392	warn "leave emergency perl save\n";	3862	info "emergency_perl_save: leave\n";
2393	}	3863	}
2394		3864
2395	sub post_cleanup {	3865	sub post_cleanup {
2396	my ($make_core) = @_;	3866	my ($make_core) = @_;
2397		3867
		3868	IO::AIO::flush;
		3869
2398	warn Carp::longmess "post_cleanup backtrace"	3870	error Carp::longmess "post_cleanup backtrace"
2399	if $make_core;	3871	if $make_core;
2400	}
2401		3872
		3873	my $fh = pidfile;
		3874	unlink $PIDFILE if <$fh> == $$;
		3875	}
		3876
		3877	# a safer delete_package, copied from Symbol
		3878	sub clear_package($) {
		3879	my $pkg = shift;
		3880
		3881	# expand to full symbol table name if needed
		3882	unless ($pkg =~ /^main::.*::$/) {
		3883	$pkg = "main$pkg" if $pkg =~ /^::/;
		3884	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3885	$pkg .= '::' unless $pkg =~ /::$/;
		3886	}
		3887
		3888	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3889	my $stem_symtab = *{$stem}{HASH};
		3890
		3891	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3892	or return;
		3893
		3894	# clear all symbols
		3895	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3896	for my $name (keys %$leaf_symtab) {
		3897	_gv_clear *{"$pkg$name"};
		3898	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3899	}
		3900	}
		3901
2402	sub reload() {	3902	sub do_reload_perl() {
2403	# can/must only be called in main	3903	# can/must only be called in main
2404	if ($Coro::current != $Coro::main) {	3904	unless (in_main) {
2405	warn "can only reload from main coroutine";	3905	error "can only reload from main coroutine";
2406	return;	3906	return;
2407	}	3907	}
2408		3908
2409	warn "reloading...";	3909	return if $RELOAD++;
2410		3910
2411	warn "entering sync_job";	3911	my $t1 = AE::time;
2412		3912
		3913	while ($RELOAD) {
		3914	cf::get_slot 0.1, -1, "reload_perl";
		3915	info "perl_reload: reloading...";
		3916
		3917	trace "perl_reload: entering sync_job";
		3918
2413	cf::sync_job {	3919	cf::sync_job {
2414	cf::write_runtime; # external watchdog should not bark
2415	cf::emergency_save;	3920	#cf::emergency_save;
2416	cf::write_runtime; # external watchdog should not bark
2417		3921
2418	warn "syncing database to disk";
2419	BDB::db_env_txn_checkpoint $DB_ENV;
2420
2421	# if anything goes wrong in here, we should simply crash as we already saved
2422
2423	warn "cancelling all WF_AUTOCANCEL watchers";
2424	for (Event::all_watchers) {
2425	$_->cancel if $_->data & WF_AUTOCANCEL;
2426	}
2427
2428	warn "flushing outstanding aio requests";
2429	for (;;) {
2430	BDB::flush;
2431	IO::AIO::flush;
2432	Coro::cede;
2433	last unless IO::AIO::nreqs || BDB::nreqs;
2434	warn "iterate...";
2435	}
2436
2437	++$RELOAD;
2438
2439	warn "cancelling all extension coros";	3922	trace "perl_reload: cancelling all extension coros";
2440	$_->cancel for values %EXT_CORO;	3923	$_->cancel for values %EXT_CORO;
2441	%EXT_CORO = ();	3924	%EXT_CORO = ();
2442		3925
2443	warn "removing commands";	3926	trace "perl_reload: removing commands";
2444	%COMMAND = ();	3927	%COMMAND = ();
2445		3928
2446	warn "removing ext commands";	3929	trace "perl_reload: removing ext/exti commands";
2447	%EXTCMD = ();	3930	%EXTCMD = ();
		3931	%EXTICMD = ();
2448		3932
2449	warn "unloading/nuking all extensions";	3933	trace "perl_reload: unloading/nuking all extensions";
2450	for my $pkg (@EXTS) {	3934	for my $pkg (@EXTS) {
2451	warn "... unloading $pkg";	3935	trace "... unloading $pkg";
2452		3936
2453	if (my $cb = $pkg->can ("unload")) {	3937	if (my $cb = $pkg->can ("unload")) {
2454	eval {	3938	eval {
2455	$cb->($pkg);	3939	$cb->($pkg);
2456	1	3940	1
2457	} or warn "$pkg unloaded, but with errors: $@";	3941	} or error "$pkg unloaded, but with errors: $@";
		3942	}
		3943
		3944	trace "... clearing $pkg";
		3945	clear_package $pkg;
2458	}	3946	}
2459		3947
2460	warn "... nuking $pkg";
2461	Symbol::delete_package $pkg;
2462	}
2463
2464	warn "unloading all perl modules loaded from $LIBDIR";	3948	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2465	while (my ($k, $v) = each %INC) {	3949	while (my ($k, $v) = each %INC) {
2466	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3950	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2467		3951
2468	warn "... unloading $k";	3952	trace "... unloading $k";
2469	delete $INC{$k};	3953	delete $INC{$k};
2470		3954
2471	$k =~ s/\.pm$//;	3955	$k =~ s/\.pm$//;
2472	$k =~ s/\//::/g;	3956	$k =~ s/\//::/g;
2473		3957
2474	if (my $cb = $k->can ("unload_module")) {	3958	if (my $cb = $k->can ("unload_module")) {
2475	$cb->();	3959	$cb->();
		3960	}
		3961
		3962	clear_package $k;
2476	}	3963	}
2477		3964
2478	Symbol::delete_package $k;
2479	}
2480
2481	warn "getting rid of safe::, as good as possible";	3965	trace "perl_reload: getting rid of safe::, as good as possible";
2482	Symbol::delete_package "safe::$_"	3966	clear_package "safe::$_"
2483	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3967	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2484		3968
2485	warn "unloading cf.pm \"a bit\"";	3969	trace "perl_reload: unloading cf.pm \"a bit\"";
2486	delete $INC{"cf.pm"};	3970	delete $INC{"cf.pm"};
		3971	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2487		3972
2488	# don't, removes xs symbols, too,	3973	# don't, removes xs symbols, too,
2489	# and global variables created in xs	3974	# and global variables created in xs
2490	#Symbol::delete_package __PACKAGE__;	3975	#clear_package __PACKAGE__;
2491		3976
2492	warn "unload completed, starting to reload now";	3977	info "perl_reload: unload completed, starting to reload now";
2493		3978
2494	warn "reloading cf.pm";	3979	trace "perl_reload: reloading cf.pm";
2495	require cf;	3980	require cf;
2496	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3981	cf::_connect_to_perl_1;
2497		3982
2498	warn "loading config and database again";	3983	trace "perl_reload: loading config and database again";
2499	cf::cfg_load;	3984	cf::reload_config;
2500		3985
2501	warn "loading extensions";	3986	trace "perl_reload: loading extensions";
2502	cf::load_extensions;	3987	cf::load_extensions;
2503		3988
		3989	if ($REATTACH_ON_RELOAD) {
2504	warn "reattaching attachments to objects/players";	3990	trace "perl_reload: reattaching attachments to objects/players";
2505	_global_reattach; # objects, sockets	3991	_global_reattach; # objects, sockets
2506	warn "reattaching attachments to maps";	3992	trace "perl_reload: reattaching attachments to maps";
2507	reattach $_ for values %MAP;	3993	reattach $_ for values %MAP;
2508	warn "reattaching attachments to players";	3994	trace "perl_reload: reattaching attachments to players";
2509	reattach $_ for values %PLAYER;	3995	reattach $_ for values %PLAYER;
		3996	}
2510		3997
2511	warn "loading reloadable resources";	3998	cf::_post_init 1;
2512	reload_resources;
2513		3999
2514	warn "leaving sync_job";	4000	trace "perl_reload: leaving sync_job";
2515		4001
2516	1	4002	1
2517	} or do {	4003	} or do {
2518	warn $@;	4004	error $@;
2519	warn "error while reloading, exiting.";	4005	cf::cleanup "perl_reload: error, exiting.";
2520	exit 1;	4006	};
		4007
		4008	--$RELOAD;
		4009	}
		4010
		4011	$t1 = AE::time - $t1;
		4012	info "perl_reload: completed in ${t1}s\n";
		4013	};
		4014
		4015	our $RELOAD_WATCHER; # used only during reload
		4016
		4017	sub reload_perl() {
		4018	# doing reload synchronously and two reloads happen back-to-back,
		4019	# coro crashes during coro_state_free->destroy here.
		4020
		4021	$RELOAD_WATCHER ||= cf::async {
		4022	Coro::AIO::aio_wait cache_extensions;
		4023
		4024	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4025	do_reload_perl;
		4026	undef $RELOAD_WATCHER;
		4027	};
2521	};	4028	};
2522		4029	}
2523	warn "reloaded";
2524	};
2525
2526	our $RELOAD_WATCHER; # used only during reload
2527		4030
2528	register_command "reload" => sub {	4031	register_command "reload" => sub {
2529	my ($who, $arg) = @_;	4032	my ($who, $arg) = @_;
2530		4033
2531	if ($who->flag (FLAG_WIZ)) {	4034	if ($who->flag (FLAG_WIZ)) {
2532	$who->message ("reloading server.");	4035	$who->message ("reloading server.");
2533		4036	async {
2534	# doing reload synchronously and two reloads happen back-to-back,	4037	$Coro::current->{desc} = "perl_reload";
2535	# coro crashes during coro_state_free->destroy here.
2536
2537	$RELOAD_WATCHER ||= Event->timer (
2538	reentrant => 0,
2539	after => 0,
2540	data => WF_AUTOCANCEL,
2541	cb => sub {
2542	reload;	4038	reload_perl;
2543	undef $RELOAD_WATCHER;
2544	},
2545	);	4039	};
2546	}	4040	}
2547	};	4041	};
2548		4042
2549	unshift @INC, $LIBDIR;	4043	#############################################################################
2550		4044
2551	my $bug_warning = 0;	4045	my $bug_warning = 0;
2552		4046
2553	$TICK_WATCHER = Event->timer (	4047	our @WAIT_FOR_TICK;
2554	reentrant => 0,	4048	our @WAIT_FOR_TICK_BEGIN;
2555	parked => 1,	4049
2556	prio => 0,	4050	sub wait_for_tick() {
2557	at => $NEXT_TICK || $TICK,	4051	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2558	data => WF_AUTOCANCEL,	4052
2559	cb => sub {	4053	my $signal = new Coro::Signal;
		4054	push @WAIT_FOR_TICK, $signal;
		4055	$signal->wait;
		4056	}
		4057
		4058	sub wait_for_tick_begin() {
		4059	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4060
		4061	my $signal = new Coro::Signal;
		4062	push @WAIT_FOR_TICK_BEGIN, $signal;
		4063	$signal->wait;
		4064	}
		4065
		4066	sub tick {
2560	if ($Coro::current != $Coro::main) {	4067	if ($Coro::current != $Coro::main) {
2561	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4068	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2562	unless ++$bug_warning > 10;	4069	unless ++$bug_warning > 10;
2563	return;	4070	return;
2564	}	4071	}
2565		4072
2566	$NOW = Event::time;
2567
2568	cf::server_tick; # one server iteration	4073	cf::server_tick; # one server iteration
2569	$RUNTIME += $TICK;
2570	$NEXT_TICK += $TICK;
2571		4074
		4075	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4076
2572	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4077	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2573	$NEXT_RUNTIME_WRITE = $NOW + 10;	4078	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2574	Coro::async_pool {	4079	Coro::async_pool {
		4080	$Coro::current->{desc} = "runtime saver";
2575	write_runtime	4081	write_runtime_sync
2576	or warn "ERROR: unable to write runtime file: $!";	4082	or error "ERROR: unable to write runtime file: $!";
2577	};
2578	}	4083	};
2579
2580	$WAIT_FOR_TICK->broadcast;
2581	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2582
2583	# my $AFTER = Event::time;
2584	# warn $AFTER - $NOW;#d#
2585
2586	# if we are delayed by four ticks or more, skip them all
2587	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2588
2589	$TICK_WATCHER->at ($NEXT_TICK);
2590	$TICK_WATCHER->start;
2591	},	4084	}
2592	);	4085
		4086	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4087	$sig->send;
		4088	}
		4089	while (my $sig = shift @WAIT_FOR_TICK) {
		4090	$sig->send;
		4091	}
		4092
		4093	$LOAD = ($NOW - $TICK_START) / $TICK;
		4094	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4095
		4096	if (0) {
		4097	if ($NEXT_TICK) {
		4098	my $jitter = $TICK_START - $NEXT_TICK;
		4099	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4100	debug "jitter $JITTER\n";#d#
		4101	}
		4102	}
		4103	}
2593		4104
2594	{	4105	{
2595	BDB::max_poll_time $TICK * 0.1;	4106	# configure BDB
2596	$BDB_POLL_WATCHER = Event->io (	4107
2597	reentrant => 0,
2598	fd => BDB::poll_fileno,
2599	poll => 'r',
2600	prio => 0,
2601	data => WF_AUTOCANCEL,
2602	cb => \&BDB::poll_cb,
2603	);
2604	BDB::min_parallel 8;	4108	BDB::min_parallel 16;
2605		4109	BDB::max_poll_reqs $TICK * 0.1;
2606	BDB::set_sync_prepare {	4110	$AnyEvent::BDB::WATCHER->priority (1);
2607	my $status;
2608	my $current = $Coro::current;
2609	(
2610	sub {
2611	$status = $!;
2612	$current->ready; undef $current;
2613	},
2614	sub {
2615	Coro::schedule while defined $current;
2616	$! = $status;
2617	},
2618	)
2619	};
2620		4111
2621	unless ($DB_ENV) {	4112	unless ($DB_ENV) {
2622	$DB_ENV = BDB::db_env_create;	4113	$DB_ENV = BDB::db_env_create;
		4114	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4115	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4116	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4117	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4118	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2623		4119
2624	cf::sync_job {	4120	cf::sync_job {
2625	eval {	4121	eval {
2626	BDB::db_env_open	4122	BDB::db_env_open
2627	$DB_ENV,	4123	$DB_ENV,
2628	$BDB_ENV_DIR,	4124	$BDBDIR,
2629	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4125	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2630	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4126	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2631	0666;	4127	0666;
2632		4128
2633	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4129	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2634
2635	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2636	$DB_ENV->set_lk_detect;
2637	};	4130	};
2638		4131
2639	cf::cleanup "db_env_open(db): $@" if $@;	4132	cf::cleanup "db_env_open(db): $@" if $@;
2640	};	4133	};
2641	}	4134	}
		4135
		4136	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4137	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4138	};
		4139	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4140	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4141	};
		4142	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4143	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4144	};
2642	}	4145	}
2643		4146
2644	{	4147	{
		4148	# configure IO::AIO
		4149
2645	IO::AIO::min_parallel 8;	4150	IO::AIO::min_parallel 8;
2646
2647	undef $Coro::AIO::WATCHER;
2648	IO::AIO::max_poll_time $TICK * 0.1;	4151	IO::AIO::max_poll_time $TICK * 0.1;
2649	$AIO_POLL_WATCHER = Event->io (	4152	undef $AnyEvent::AIO::WATCHER;
2650	reentrant => 0,
2651	data => WF_AUTOCANCEL,
2652	fd => IO::AIO::poll_fileno,
2653	poll => 'r',
2654	prio => 6,
2655	cb => \&IO::AIO::poll_cb,
2656	);
2657	}	4153	}
		4154
		4155	my $_log_backtrace;
		4156
		4157	sub _log_backtrace {
		4158	my ($msg, @addr) = @_;
		4159
		4160	$msg =~ s/\n//;
		4161
		4162	# limit the # of concurrent backtraces
		4163	if ($_log_backtrace < 2) {
		4164	++$_log_backtrace;
		4165	my $perl_bt = Carp::longmess $msg;
		4166	async {
		4167	$Coro::current->{desc} = "abt $msg";
		4168
		4169	my @bt = fork_call {
		4170	@addr = map { sprintf "%x", $_ } @addr;
		4171	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4172	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4173	or die "addr2line: $!";
		4174
		4175	my @funcs;
		4176	my @res = <$fh>;
		4177	chomp for @res;
		4178	while (@res) {
		4179	my ($func, $line) = splice @res, 0, 2, ();
		4180	push @funcs, "[$func] $line";
		4181	}
		4182
		4183	@funcs
		4184	};
		4185
		4186	LOG llevInfo, "[ABT] $perl_bt\n";
		4187	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4188	LOG llevInfo, "[ABT] $_\n" for @bt;
		4189	--$_log_backtrace;
		4190	};
		4191	} else {
		4192	LOG llevInfo, "[ABT] $msg\n";
		4193	LOG llevInfo, "[ABT] [suppressed]\n";
		4194	}
		4195	}
		4196
		4197	# load additional modules
		4198	require "cf/$_.pm" for @EXTRA_MODULES;
		4199	cf::_connect_to_perl_2;
2658		4200
2659	END { cf::emergency_save }	4201	END { cf::emergency_save }
2660		4202
2661	1	4203	1
2662		4204

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