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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.250 by root, Wed Apr 18 14:24:10 2007 UTC vs.
Revision 1.552 by root, Mon May 17 21:12:59 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	56	use Fcntl;
29	use YAML::Syck ();	57	use YAML::XS ();
30	use IO::AIO 2.32 ();	58	use IO::AIO ();
31	use Time::HiRes;	59	use Time::HiRes;
32	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
33		64
34	# configure various modules to our taste	65	# configure various modules to our taste
35	#	66	#
36	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		75
40	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
41		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		78
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
59	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
		96
		97	our $CONFDIR = confdir;
		98	our $DATADIR = datadir;
		99	our $LIBDIR = "$DATADIR/ext";
		100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
60		118
61	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
62	our $TICK_WATCHER;
63	our $AIO_POLL_WATCHER;
64	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
65	our $NEXT_TICK;	121	our $NEXT_TICK;
66	our $NOW;
67	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
68		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
69	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
70	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
71		130
72	our %CFG;	131	our %CFG;
73		132
74	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
75	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
76		136
77	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
78	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
79	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
80	our $RANDOM_MAPS = cf::localdir . "/random";
81	our $BDB_ENV_DIR = cf::localdir . "/db";
82		140
83	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
84	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
85		143
		144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
		147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
		153
86	binmode STDOUT;	154	binmode STDOUT;
87	binmode STDERR;	155	binmode STDERR;
88		156
89	# read virtual server time, if available	157	# read virtual server time, if available
90	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
91	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
92	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
93	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
94	}	162	}
95		163
96	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
97	mkdir cf::localdir . "/" . cf::playerdir;	165
98	mkdir cf::localdir . "/" . cf::tmpdir;	166	mkdir $_
99	mkdir cf::localdir . "/" . cf::uniquedir;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
100	mkdir $RANDOM_MAPS;
101	mkdir $BDB_ENV_DIR;
102		168
103	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
104		170
105	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
106		187
107	#############################################################################	188	#############################################################################
108		189
109	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
110		191
…		…
117	=item $cf::RUNTIME	198	=item $cf::RUNTIME
118		199
119	The time this server has run, starts at 0 and is increased by $cf::TICK on	200	The time this server has run, starts at 0 and is increased by $cf::TICK on
120	every server tick.	201	every server tick.
121		202
122	=item $cf::LIBDIR	203	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		204	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		205	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
123		206
124	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
125	be found. It will be added to C<@INC> automatically.	208	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		209	unique-items directory, player file directory, random maps directory and
		210	database environment.
126		211
127	=item $cf::NOW	212	=item $cf::NOW
128		213
129	The time of the last (current) server tick.	214	The time of the last (current) server tick.
130		215
131	=item $cf::TICK	216	=item $cf::TICK
132		217
133	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
134		219
		220	=item $cf::LOADAVG
		221
		222	The current CPU load on the server (alpha-smoothed), as a value between 0
		223	(none) and 1 (overloaded), indicating how much time is spent on processing
		224	objects per tick. Healthy values are < 0.5.
		225
		226	=item $cf::LOAD
		227
		228	The raw value load value from the last tick.
		229
135	=item %cf::CFG	230	=item %cf::CFG
136		231
137	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
138	from wherever your confdir points to.	233	from wherever your confdir points to.
139		234
140	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
141		236
142	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
143	returns directly I<after> the tick processing (and consequently, can only wake one process	238	returns directly I<after> the tick processing (and consequently, can only wake one thread
144	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
145		240
		241	=cut
		242
		243	sub wait_for_tick();
		244	sub wait_for_tick_begin();
		245
		246	=item @cf::INVOKE_RESULTS
		247
		248	This array contains the results of the last C<invoke ()> call. When
		249	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		250	that call.
		251
		252	=item %cf::REFLECT
		253
		254	Contains, for each (C++) class name, a hash reference with information
		255	about object members (methods, scalars, arrays and flags) and other
		256	metadata, which is useful for introspection.
		257
146	=back	258	=back
147		259
148	=cut	260	=cut
149		261
150	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
151	*CORE::GLOBAL::warn = sub {	263	sub warn (@) { LOG llevWarn , join "", @_ }
		264	sub info (@) { LOG llevInfo , join "", @_ }
		265	sub debug(@) { LOG llevDebug, join "", @_ }
		266	sub trace(@) { LOG llevTrace, join "", @_ }
		267
		268	$Coro::State::WARNHOOK = sub {
152	my $msg = join "", @_;	269	my $msg = join "", @_;
153		270
154	$msg .= "\n"	271	$msg .= "\n"
155	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
156		273
157	$msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
158		275
159	utf8::encode $msg;
160	LOG llevError, $msg;	276	LOG llevWarn, $msg;
161	};	277	};
162	}	278
		279	$Coro::State::DIEHOOK = sub {
		280	return unless $^S eq 0; # "eq", not "=="
		281
		282	error Carp::longmess $_[0];
		283
		284	if (in_main) {#d#
		285	error "DIEHOOK called in main context, Coro bug?\n";#d#
		286	return;#d#
		287	}#d#
		288
		289	# kill coroutine otherwise
		290	Coro::terminate
		291	};
163		292
164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	297	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		298	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
169	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	299	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
170		300
171	# we bless all objects into (empty) derived classes to force a method lookup	301	# we bless all objects into (empty) derived classes to force a method lookup
172	# within the Safe compartment.	302	# within the Safe compartment.
173	for my $pkg (qw(	303	for my $pkg (qw(
174	cf::global cf::attachable	304	cf::global cf::attachable
175	cf::object cf::object::player	305	cf::object cf::object::player
176	cf::client cf::player	306	cf::client cf::player
177	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
178	cf::map cf::party cf::region	309	cf::party cf::region
179	)) {	310	)) {
180	no strict 'refs';
181	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
182	}	312	}
183		313
184	$Event::DIED = sub {	314	$EV::DIED = sub {
185	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
186	};	316	};
		317
		318	#############################################################################
187		319
188	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
189		321
190	=over 4	322	=over 4
191		323
…		…
210	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	342	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
211	$d	343	$d
212	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
213	}	345	}
214		346
215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
216
217	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
218		348
219	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
220		350
221	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
222		352
223	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
224		354
		355	=cut
		356
		357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		358
		359	sub encode_json($) { $json_coder->encode ($_[0]) }
		360	sub decode_json($) { $json_coder->decode ($_[0]) }
		361
		362	=item $ref = cf::yaml_load $scalar
		363
		364	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		365
		366	=cut
		367
		368	sub fork_call(&@);
		369
		370	sub yaml_load($) {
		371	fork_call { YAML::XS::Load $_[0] } @_
		372	}
		373
		374	=item cf::post_init { BLOCK }
		375
		376	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		377	but I<before> the server starts ticking again.
		378
		379	The codeblock will have a single boolean argument to indicate whether this
		380	is a reload or not.
		381
		382	=cut
		383
		384	sub post_init(&) {
		385	push @POST_INIT, shift;
		386	}
		387
		388	sub _post_init {
		389	trace "running post_init jobs";
		390
		391	# run them in parallel...
		392
		393	my @join;
		394
		395	while () {
		396	push @join, map &Coro::async ($_, 0), @POST_INIT;
		397	@POST_INIT = ();
		398
		399	@join or last;
		400
		401	(pop @join)->join;
		402	}
		403	}
		404
225	=item cf::lock_wait $string	405	=item cf::lock_wait $string
226		406
227	Wait until the given lock is available. See cf::lock_acquire.	407	Wait until the given lock is available. See cf::lock_acquire.
228		408
229	=item my $lock = cf::lock_acquire $string	409	=item my $lock = cf::lock_acquire $string
230		410
231	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
232	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,
233	for example when the coroutine gets canceled), the lock is automatically	413	for example when the coroutine gets canceled), the lock is automatically
234	returned.	414	returned.
235		415
		416	Locks are *not* recursive, locking from the same coro twice results in a
		417	deadlocked coro.
		418
236	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
237	uses map_find and cf::map::load uses map_load).	420	uses map_find and cf::map::load uses map_load).
238		421
239	=cut	422	=item $locked = cf::lock_active $string
240		423
241	our %LOCK;	424	Return true if the lock is currently active, i.e. somebody has locked it.
		425
		426	=cut
		427
		428	our $LOCKS = new Coro::SemaphoreSet;
242		429
243	sub lock_wait($) {	430	sub lock_wait($) {
244	my ($key) = @_;	431	$LOCKS->wait ($_[0]);
245
246	# wait for lock, if any
247	while ($LOCK{$key}) {
248	push @{ $LOCK{$key} }, $Coro::current;
249	Coro::schedule;
250	}
251	}	432	}
252		433
253	sub lock_acquire($) {	434	sub lock_acquire($) {
254	my ($key) = @_;	435	$LOCKS->guard ($_[0])
		436	}
255		437
256	# wait, to be sure we are not locked	438	sub lock_active($) {
257	lock_wait $key;	439	$LOCKS->count ($_[0]) < 1
258
259	$LOCK{$key} = [];
260
261	Coro::guard {
262	# wake up all waiters, to be on the safe side
263	$_->ready for @{ delete $LOCK{$key} };
264	}
265	}	440	}
266		441
267	sub freeze_mainloop {	442	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	443	tick_inhibit_inc;
269		444
270	my $guard = Coro::guard {	445	&Guard::guard (\&tick_inhibit_dec);
271	$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($$) {
		456	my ($interval, $cb) = @_;
		457
		458	my $start = rand List::Util::min 180, $interval;
		459
		460	EV::periodic $start, $interval, 0, $cb
		461	}
		462
		463	=item cf::get_slot $time[, $priority[, $name]]
		464
		465	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		466	This call blocks and returns only when you have at least C<$time> seconds
		467	of cpu time till the next tick. The slot is only valid till the next cede.
		468
		469	The optional C<$name> can be used to identify the job to run. It might be
		470	used for statistical purposes and should identify the same time-class.
		471
		472	Useful for short background jobs.
		473
		474	=cut
		475
		476	our @SLOT_QUEUE;
		477	our $SLOT_QUEUE;
		478	our $SLOT_DECAY = 0.9;
		479
		480	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		481	$SLOT_QUEUE = Coro::async {
		482	$Coro::current->desc ("timeslot manager");
		483
		484	my $signal = new Coro::Signal;
		485	my $busy;
		486
		487	while () {
		488	next_job:
		489
		490	my $avail = cf::till_tick;
		491
		492	for (0 .. $#SLOT_QUEUE) {
		493	if ($SLOT_QUEUE[$_][0] <= $avail) {
		494	$busy = 0;
		495	my $job = splice @SLOT_QUEUE, $_, 1, ();
		496	$job->[2]->send;
		497	Coro::cede;
		498	goto next_job;
		499	} else {
		500	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		501	}
		502	}
		503
		504	if (@SLOT_QUEUE) {
		505	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		506	push @cf::WAIT_FOR_TICK, $signal;
		507	$signal->wait;
		508	} else {
		509	$busy = 0;
		510	Coro::schedule;
		511	}
272	};	512	}
273	$TICK_WATCHER->stop;	513	};
274	$guard	514
		515	sub get_slot($;$$) {
		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	$sig->wait;
275	}	528	}
276		529
277	=item cf::async { BLOCK }	530	=item cf::async { BLOCK }
278		531
279	Currently the same as Coro::async_pool, meaning you cannot use	532	Currently the same as Coro::async_pool, meaning you cannot use
…		…
284		537
285	BEGIN { *async = \&Coro::async_pool }	538	BEGIN { *async = \&Coro::async_pool }
286		539
287	=item cf::sync_job { BLOCK }	540	=item cf::sync_job { BLOCK }
288		541
289	The design of crossfire+ requires that the main coro ($Coro::main) is	542	The design of Deliantra requires that the main coroutine ($Coro::main)
290	always able to handle events or runnable, as crossfire+ is only partly	543	is always able to handle events or runnable, as Deliantra is only
291	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	544	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		545	acceptable.
292		546
293	If it must be done, put the blocking parts into C<sync_job>. This will run	547	If it must be done, put the blocking parts into C<sync_job>. This will run
294	the given BLOCK in another coroutine while waiting for the result. The	548	the given BLOCK in another coroutine while waiting for the result. The
295	server will be frozen during this time, so the block should either finish	549	server will be frozen during this time, so the block should either finish
296	fast or be very important.	550	fast or be very important.
…		…
298	=cut	552	=cut
299		553
300	sub sync_job(&) {	554	sub sync_job(&) {
301	my ($job) = @_;	555	my ($job) = @_;
302		556
303	if ($Coro::current == $Coro::main) {	557	if (in_main) {
		558	my $time = AE::time;
		559
304	# this is the main coro, too bad, we have to block	560	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	561	# till the operation succeeds, freezing the server :/
306		562
307	# TODO: use suspend/resume instead	563	#LOG llevError, Carp::longmess "sync job";#d#
308	# (but this is cancel-safe)	564
309	my $freeze_guard = freeze_mainloop;	565	my $freeze_guard = freeze_mainloop;
310		566
311	my $busy = 1;	567	my $busy = 1;
312	my @res;	568	my @res;
313		569
314	(async {	570	(async {
		571	$Coro::current->desc ("sync job coro");
315	@res = eval { $job->() };	572	@res = eval { $job->() };
316	warn $@ if $@;	573	error $@ if $@;
317	undef $busy;	574	undef $busy;
318	})->prio (Coro::PRIO_MAX);	575	})->prio (Coro::PRIO_MAX);
319		576
320	while ($busy) {	577	while ($busy) {
321	Coro::cede or Event::one_event;	578	if (Coro::nready) {
		579	Coro::cede_notself;
		580	} else {
		581	EV::loop EV::LOOP_ONESHOT;
322	}	582	}
		583	}
		584
		585	my $time = AE::time - $time;
		586
		587	$TICK_START += $time; # do not account sync jobs to server load
323		588
324	wantarray ? @res : $res[0]	589	wantarray ? @res : $res[0]
325	} else {	590	} else {
326	# we are in another coroutine, how wonderful, everything just works	591	# we are in another coroutine, how wonderful, everything just works
327		592
…		…
347	$EXT_CORO{$coro+0} = $coro;	612	$EXT_CORO{$coro+0} = $coro;
348		613
349	$coro	614	$coro
350	}	615	}
351		616
352	sub write_runtime {	617	=item fork_call { }, @args
353	my $guard = cf::lock_acquire "write_runtime";
354		618
355	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.
356		623
357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	624	=cut
358	or return;
359		625
360	my $value = $cf::RUNTIME + 90 + 10;	626	sub post_fork {
361	# 10 is the runtime save interval, for a monotonic clock	627	reset_signals;
362	# 60 allows for the watchdog to kill the server.	628	}
363		629
364	(aio_write $fh, 0, (length $value), $value, 0) <= 0	630	sub fork_call(&@) {
365	and return;	631	my ($cb, @args) = @_;
366		632
367	# always fsync - this file is important	633	# we seemingly have to make a local copy of the whole thing,
368	aio_fsync $fh	634	# otherwise perl prematurely frees the stuff :/
369	and return;	635	# TODO: investigate and fix (likely this will be rather laborious)
370		636
371	close $fh	637	my @res = Coro::Util::fork_eval {
372	or return;	638	cf::post_fork;
		639	&$cb
		640	} @args;
373		641
374	aio_rename "$runtime~", $runtime	642	wantarray ? @res : $res[-1]
375	and return;	643	}
376		644
		645	sub objinfo {
377	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"
378	}	810	}
379		811
380	=item cf::datalog type => key => value, ...	812	=item cf::datalog type => key => value, ...
381		813
382	Log a datalog packet of the given type with the given key-value pairs.	814	Log a datalog packet of the given type with the given key-value pairs.
383		815
384	=cut	816	=cut
385		817
386	sub datalog($@) {	818	sub datalog($@) {
387	my ($type, %kv) = @_;	819	my ($type, %kv) = @_;
388	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	820	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
389	}	821	}
390		822
391	=back	823	=back
392		824
393	=cut	825	=cut
394		826
395	#############################################################################	827	#############################################################################
396		828
397	=head2 ATTACHABLE OBJECTS	829	=head2 ATTACHABLE OBJECTS
398		830
399	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
400	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")
401	to it. All such attachable objects support the following methods.	833	to it. All such attachable objects support the following methods.
402		834
403	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>
404	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
405	crossfire+).	837	Deliantra).
406		838
407	=over 4	839	=over 4
408		840
409	=item $attachable->attach ($attachment, key => $value...)	841	=item $attachable->attach ($attachment, key => $value...)
410		842
…		…
454	=item cf::CLASS::attachment $name, ...	886	=item cf::CLASS::attachment $name, ...
455		887
456	Register an attachment by C<$name> through which attachable objects of the	888	Register an attachment by C<$name> through which attachable objects of the
457	given CLASS can refer to this attachment.	889	given CLASS can refer to this attachment.
458		890
459	Some classes such as crossfire maps and objects can specify attachments	891	Some classes such as deliantra maps and objects can specify attachments
460	that are attached at load/instantiate time, thus the need for a name.	892	that are attached at load/instantiate time, thus the need for a name.
461		893
462	These calls expect any number of the following handler/hook descriptions:	894	These calls expect any number of the following handler/hook descriptions:
463		895
464	=over 4	896	=over 4
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	1005	$registry = $CB_TYPE[$object_type] ||= [];
574		1006
575	} elsif ($type eq "subtype") {	1007	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	1008	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	1009	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1010	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		1011
580	} elsif ($type eq "package") {	1012	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	1013	my $pkg = shift @arg;
582		1014
583	while (my ($name, $id) = each %cb_id) {	1015	while (my ($name, $id) = each %cb_id) {
…		…
588		1020
589	} elsif (exists $cb_id{$type}) {	1021	} elsif (exists $cb_id{$type}) {
590	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1022	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
591		1023
592	} elsif (ref $type) {	1024	} elsif (ref $type) {
593	warn "attaching objects not supported, ignoring.\n";	1025	error "attaching objects not supported, ignoring.\n";
594		1026
595	} else {	1027	} else {
596	shift @arg;	1028	shift @arg;
597	warn "attach argument '$type' not supported, ignoring.\n";	1029	error "attach argument '$type' not supported, ignoring.\n";
598	}	1030	}
599	}	1031	}
600	}	1032	}
601		1033
602	sub _object_attach {	1034	sub _object_attach {
…		…
612	_attach $registry, $klass, @attach;	1044	_attach $registry, $klass, @attach;
613	}	1045	}
614		1046
615	$obj->{$name} = \%arg;	1047	$obj->{$name} = \%arg;
616	} else {	1048	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	1049	info "object uses attachment '$name' which is not available, postponing.\n";
618	}	1050	}
619		1051
620	$obj->{_attachment}{$name} = undef;	1052	$obj->{_attachment}{$name} = undef;
621	}	1053	}
622		1054
…		…
624	if (ref $_[0]) {	1056	if (ref $_[0]) {
625	_object_attach @_;	1057	_object_attach @_;
626	} else {	1058	} else {
627	_attach shift->_attach_registry, @_;	1059	_attach shift->_attach_registry, @_;
628	}	1060	}
		1061	_recalc_want;
629	};	1062	};
630		1063
631	# all those should be optimised	1064	# all those should be optimised
632	sub cf::attachable::detach {	1065	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	1066	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	1069	delete $obj->{_attachment}{$name};
637	reattach ($obj);	1070	reattach ($obj);
638	} else {	1071	} else {
639	Carp::croak "cannot, currently, detach class attachments";	1072	Carp::croak "cannot, currently, detach class attachments";
640	}	1073	}
		1074	_recalc_want;
641	};	1075	};
642		1076
643	sub cf::attachable::attached {	1077	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	1078	my ($obj, $name) = @_;
645		1079
…		…
660	";	1094	";
661	die if $@;	1095	die if $@;
662	}	1096	}
663		1097
664	our $override;	1098	our $override;
665	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?
666		1100
667	sub override {	1101	sub override {
668	$override = 1;	1102	$override = 1;
669	@invoke_results = ();	1103	@INVOKE_RESULTS = (@_);
670	}	1104	}
671		1105
672	sub do_invoke {	1106	sub do_invoke {
673	my $event = shift;	1107	my $event = shift;
674	my $callbacks = shift;	1108	my $callbacks = shift;
675		1109
676	@invoke_results = ();	1110	@INVOKE_RESULTS = ();
677		1111
678	local $override;	1112	local $override;
679		1113
680	for (@$callbacks) {	1114	for (@$callbacks) {
681	eval { &{$_->[1]} };	1115	eval { &{$_->[1]} };
682		1116
683	if ($@) {	1117	if ($@) {
684	warn "$@";
685	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1118	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
686	override;	1119	override;
687	}	1120	}
688		1121
689	return 1 if $override;	1122	return 1 if $override;
690	}	1123	}
691		1124
692	0	1125	0
693	}	1126	}
694		1127
695	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1128	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
696		1129
697	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
698		1131
699	Generate an object-specific event with the given arguments.	1132	Generate an object-specific event with the given arguments.
700		1133
701	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
702	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
703	results (if you must, access C<@cf::invoke_results> directly).	1136	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704		1137
705	=back	1138	=back
706		1139
707	=cut	1140	=cut
708		1141
709	#############################################################################	1142	#############################################################################
710	# 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, $ob2
		1185	}
711		1186
712	sub reattach {	1187	sub reattach {
713	# basically do the same as instantiate, without calling instantiate	1188	# basically do the same as instantiate, without calling instantiate
714	my ($obj) = @_;	1189	my ($obj) = @_;
715		1190
		1191	# no longer needed after getting rid of delete_package?
716	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
717		1193
718	my $registry = $obj->registry;	1194	my $registry = $obj->registry;
719		1195
720	@$registry = ();	1196	@$registry = ();
721		1197
…		…
726	for (@$attach) {	1202	for (@$attach) {
727	my ($klass, @attach) = @$_;	1203	my ($klass, @attach) = @$_;
728	_attach $registry, $klass, @attach;	1204	_attach $registry, $klass, @attach;
729	}	1205	}
730	} else {	1206	} else {
731	warn "object uses attachment '$name' that is not available, postponing.\n";	1207	info "object uses attachment '$name' that is not available, postponing.\n";
732	}	1208	}
733	}	1209	}
734	}	1210	}
735		1211
736	cf::attachable->attach (	1212	cf::attachable->attach (
737	prio => -1000000,	1213	prio => -1000000,
738	on_instantiate => sub {	1214	on_instantiate => sub {
739	my ($obj, $data) = @_;	1215	my ($obj, $data) = @_;
740		1216
741	$data = from_json $data;	1217	$data = decode_json $data;
742		1218
743	for (@$data) {	1219	for (@$data) {
744	my ($name, $args) = @$_;	1220	my ($name, $args) = @$_;
745		1221
746	$obj->attach ($name, %{$args || {} });	1222	$obj->attach ($name, %{$args || {} });
…		…
762	sub object_freezer_save {	1238	sub object_freezer_save {
763	my ($filename, $rdata, $objs) = @_;	1239	my ($filename, $rdata, $objs) = @_;
764		1240
765	sync_job {	1241	sync_job {
766	if (length $$rdata) {	1242	if (length $$rdata) {
		1243	utf8::decode (my $decname = $filename);
767	warn sprintf "saving %s (%d,%d)\n",	1244	trace sprintf "saving %s (%d,%d)\n",
768	$filename, length $$rdata, scalar @$objs;	1245	$decname, length $$rdata, scalar @$objs
		1246	if $VERBOSE_IO;
769		1247
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1248	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1249	aio_chmod $fh, SAVE_MODE;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1250	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	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	}
774	close $fh;	1255	aio_close $fh;
775		1256
776	if (@$objs) {	1257	if (@$objs) {
777	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) {
778	chmod SAVE_MODE, $fh;	1259	aio_chmod $fh, SAVE_MODE;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	1260	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	1261	aio_write $fh, 0, (length $data), $data, 0;
781	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	}
782	close $fh;	1266	aio_close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	1267	aio_rename "$filename.pst~", "$filename.pst";
784	}	1268	}
785	} else {	1269	} else {
786	aio_unlink "$filename.pst";	1270	aio_unlink "$filename.pst";
787	}	1271	}
788		1272
789	aio_rename "$filename~", $filename;	1273	aio_rename "$filename~", $filename;
		1274
		1275	$filename =~ s%/[^/]+$%%;
		1276	aio_pathsync $filename if $cf::USE_FSYNC;
790	} else {	1277	} else {
791	warn "FATAL: $filename~: $!\n";	1278	error "unable to save objects: $filename~: $!\n";
792	}	1279	}
793	} else {	1280	} else {
794	aio_unlink $filename;	1281	aio_unlink $filename;
795	aio_unlink "$filename.pst";	1282	aio_unlink "$filename.pst";
796	}	1283	}
797	}	1284	};
798	}	1285	}
799		1286
800	sub object_freezer_as_string {	1287	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	1288	my ($rdata, $objs) = @_;
802		1289
…		…
814	or return;	1301	or return;
815		1302
816	unless (aio_stat "$filename.pst") {	1303	unless (aio_stat "$filename.pst") {
817	(aio_load "$filename.pst", $av) >= 0	1304	(aio_load "$filename.pst", $av) >= 0
818	or return;	1305	or return;
		1306
819	$av = eval { (Storable::thaw $av)->{objs} };	1307	my $st = eval { Coro::Storable::thaw $av };
		1308	$av = $st->{objs};
820	}	1309	}
821		1310
		1311	utf8::decode (my $decname = $filename);
822	warn sprintf "loading %s (%d)\n",	1312	trace sprintf "loading %s (%d,%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1313	$decname, length $data, scalar @{$av || []}
		1314	if $VERBOSE_IO;
		1315
824	return ($data, $av);	1316	($data, $av)
825	}	1317	}
		1318
		1319	=head2 COMMAND CALLBACKS
		1320
		1321	=over 4
		1322
		1323	=cut
826		1324
827	#############################################################################	1325	#############################################################################
828	# command handling &c	1326	# command handling &c
829		1327
830	=item cf::register_command $name => \&callback($ob,$args);	1328	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1341	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1342	}
845		1343
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1344	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1345
848	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.
849		1351
850	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
851	called.	1353	called.
852		1354
		1355	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1356
		1357	Register a callback for execution when the client sends an (asynchronous)
		1358	exticmd packet. Exti commands are processed by the server as soon as they
		1359	are received, i.e. out of order w.r.t. other commands. The first argument
		1360	is a client socket. Exti commands can be received anytime, even before
		1361	log-in.
		1362
		1363	If the callback returns something, it is sent back as if reply was being
		1364	called.
		1365
853	=cut	1366	=cut
854		1367
855	sub register_extcmd {	1368	sub register_extcmd {
856	my ($name, $cb) = @_;	1369	my ($name, $cb) = @_;
857		1370
858	$EXTCMD{$name} = $cb;	1371	$EXTCMD{$name} = $cb;
859	}	1372	}
860		1373
		1374	sub register_exticmd {
		1375	my ($name, $cb) = @_;
		1376
		1377	$EXTICMD{$name} = $cb;
		1378	}
		1379
		1380	use File::Glob ();
		1381
861	cf::player->attach (	1382	cf::player->attach (
862	on_command => sub {	1383	on_unknown_command => sub {
863	my ($pl, $name, $params) = @_;	1384	my ($pl, $name, $params) = @_;
864		1385
865	my $cb = $COMMAND{$name}	1386	my $cb = $COMMAND{$name}
866	or return;	1387	or return;
867		1388
…		…
872	cf::override;	1393	cf::override;
873	},	1394	},
874	on_extcmd => sub {	1395	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1396	my ($pl, $buf) = @_;
876		1397
877	my $msg = eval { from_json $buf };	1398	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1399
879	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
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1408	if (my $cb = $EXTCMD{$type}) {
881	if (my %reply = $cb->($pl, $msg)) {	1409	@reply = $cb->($pl, @payload);
882	$pl->ext_reply ($msg->{msgid}, %reply);
883	}
884	}	1410	}
		1411
		1412	$pl->ext_reply ($reply, @reply)
		1413	if $reply;
		1414
885	} else {	1415	} else {
886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1416	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887	}	1417	}
888		1418
889	cf::override;	1419	cf::override;
890	},	1420	},
891	);	1421	);
892		1422
		1423	# "readahead" all extensions
893	sub load_extension {	1424	sub cache_extensions {
894	my ($path) = @_;	1425	my $grp = IO::AIO::aio_group;
895		1426
896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1427	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
897	my $base = $1;	1428	for (grep /\.ext$/, @{$_[0]}) {
898	my $pkg = $1;	1429	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
899	$pkg =~ s/[^[:word:]]/_/g;
900	$pkg = "ext::$pkg";
901
902	warn "... loading '$path' into '$pkg'\n";
903
904	open my $fh, "<:utf8", $path
905	or die "$path: $!";
906
907	my $source =
908	"package $pkg; use strict; use utf8;\n"
909	. "#line 1 \"$path\"\n{\n"
910	. (do { local $/; <$fh> })
911	. "\n};\n1";
912
913	unless (eval $source) {
914	my $msg = $@ ? "$path: $@\n"
915	: "extension disabled.\n";
916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
917	warn $@;
918	warn "mandatory extension failed to load, exiting.\n";
919	exit 1;
920	}	1430	}
921	die $@;
922	}	1431	};
923		1432
924	push @EXTS, $pkg;	1433	$grp
925	}	1434	}
926		1435
927	sub load_extensions {	1436	sub load_extensions {
		1437	info "loading extensions...";
		1438
		1439	cf::sync_job {
		1440	my %todo;
		1441
928	for my $ext (<$LIBDIR/*.ext>) {	1442	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1443	next unless -r $path;
930	eval {	1444
931	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 $active;
		1507	}
932	1	1508	}
933	} or warn "$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	}
934	}	1519	};
935	}	1520	}
936		1521
937	#############################################################################	1522	#############################################################################
938		1523
		1524	=back
		1525
939	=head2 CORE EXTENSIONS	1526	=head2 CORE EXTENSIONS
940		1527
941	Functions and methods that extend core crossfire objects.	1528	Functions and methods that extend core deliantra objects.
942		1529
943	=cut	1530	=cut
944		1531
945	package cf::player;	1532	package cf::player;
946		1533
…		…
948		1535
949	=head3 cf::player	1536	=head3 cf::player
950		1537
951	=over 4	1538	=over 4
952		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
953	=item cf::player::find $login	1554	=item cf::player::find $login
954		1555
955	Returns the given player object, loading it if necessary (might block).	1556	Returns the given player object, loading it if necessary (might block).
956		1557
957	=cut	1558	=cut
958		1559
959	sub playerdir($) {	1560	sub playerdir($) {
960	cf::localdir	1561	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1562	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1563	}
966		1564
967	sub path($) {	1565	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1566	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
978		1576
979	sub exists($) {	1577	sub exists($) {
980	my ($login) = @_;	1578	my ($login) = @_;
981		1579
982	$cf::PLAYER{$login}	1580	$cf::PLAYER{$login}
983	or cf::sync_job { !aio_stat path $login }	1581	or !aio_stat path $login
984	}	1582	}
985		1583
986	sub find($) {	1584	sub find($) {
987	return $cf::PLAYER{$_[0]} || do {	1585	return $cf::PLAYER{$_[0]} || do {
988	my $login = $_[0];	1586	my $login = $_[0];
…		…
995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1593	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1594	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1595	aio_unlink +(playerdir $login) . "/$login.pl.pst";
998	aio_unlink +(playerdir $login) . "/$login.pl";	1596	aio_unlink +(playerdir $login) . "/$login.pl";
999		1597
1000	my $pl = load_pl path $login	1598	my $f = new_from_file cf::object::thawer path $login
1001	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;
1002	$cf::PLAYER{$login} = $pl	1606	$cf::PLAYER{$login} = $pl
1003	}	1607	}
1004	}	1608	}
1005	}	1609	}
		1610
		1611	cf::player->attach (
		1612	on_load => sub {
		1613	my ($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	);
1006		1623
1007	sub save($) {	1624	sub save($) {
1008	my ($pl) = @_;	1625	my ($pl) = @_;
1009		1626
1010	return if $pl->{deny_save};	1627	return if $pl->{deny_save};
…		…
1015	return if $pl->{deny_save};	1632	return if $pl->{deny_save};
1016		1633
1017	aio_mkdir playerdir $pl, 0770;	1634	aio_mkdir playerdir $pl, 0770;
1018	$pl->{last_save} = $cf::RUNTIME;	1635	$pl->{last_save} = $cf::RUNTIME;
1019		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
1020	$pl->save_pl ($path);	1642	$pl->save_pl ($path);
1021	Coro::cede;	1643	cf::cede_to_tick;
1022	}	1644	}
1023		1645
1024	sub new($) {	1646	sub new($) {
1025	my ($login) = @_;	1647	my ($login) = @_;
1026		1648
…		…
1032	$cf::PLAYER{$login} = $self;	1654	$cf::PLAYER{$login} = $self;
1033		1655
1034	$self	1656	$self
1035	}	1657	}
1036		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
1037	=item $pl->quit_character	1669	=item $pl->quit_character
1038		1670
1039	Nukes the player without looking back. If logged in, the connection will	1671	Nukes the player without looking back. If logged in, the connection will
1040	be destroyed. May block for a long time.	1672	be destroyed. May block for a long time.
1041		1673
…		…
1045	my ($pl) = @_;	1677	my ($pl) = @_;
1046		1678
1047	my $name = $pl->ob->name;	1679	my $name = $pl->ob->name;
1048		1680
1049	$pl->{deny_save} = 1;	1681	$pl->{deny_save} = 1;
1050	$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
1051		1683
1052	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1684	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1053	$pl->deactivate;	1685	$pl->deactivate;
		1686
		1687	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1054	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1688	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1689	ext::highscore::check ($pl->ob);
		1690
1055	$pl->ns->destroy if $pl->ns;	1691	$pl->ns->destroy if $pl->ns;
1056		1692
1057	my $path = playerdir $pl;	1693	my $path = playerdir $pl;
1058	my $temp = "$path~$cf::RUNTIME~deleting~";	1694	my $temp = "$path~$cf::RUNTIME~deleting~";
1059	aio_rename $path, $temp;	1695	aio_rename $path, $temp;
…		…
1088	while and may block, so not sync_job-capable, ever.	1724	while and may block, so not sync_job-capable, ever.
1089		1725
1090	=cut	1726	=cut
1091		1727
1092	sub list_logins {	1728	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1729	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1730	or return [];
1095		1731
1096	my @logins;	1732	my @logins;
1097		1733
1098	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") {
1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1740	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1100	aio_read $fh, 0, 512, my $buf, 0 or next;	1741	aio_read $fh, 0, 512, my $buf, 0 or next;
1101	$buf !~ /^password -------------$/m or next; # official not-valid tag	1742	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1743	}
1102		1744
1103	utf8::decode $login;	1745	utf8::decode $login;
1104	push @logins, $login;	1746	push @logins, $login;
1105	}	1747	}
1106		1748
1107	\@logins	1749	\@logins
1108	}	1750	}
1109		1751
1110	=item $player->maps	1752	=item $player->maps
		1753
		1754	=item cf::player::maps $login
1111		1755
1112	Returns an arrayref of map paths that are private for this	1756	Returns an arrayref of map paths that are private for this
1113	player. May block.	1757	player. May block.
1114		1758
1115	=cut	1759	=cut
…		…
1133	}	1777	}
1134		1778
1135	\@paths	1779	\@paths
1136	}	1780	}
1137		1781
		1782	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1783
		1784	Expand deliantra pod fragments into protocol xml.
		1785
1138	=item $player->ext_reply ($msgid, %msg)	1786	=item $player->ext_reply ($msgid, @msg)
1139		1787
1140	Sends an ext reply to the player.	1788	Sends an ext reply to the player.
1141		1789
1142	=cut	1790	=cut
1143		1791
1144	sub ext_reply($$%) {	1792	sub ext_reply($$@) {
1145	my ($self, $id, %msg) = @_;	1793	my ($self, $id, @msg) = @_;
1146		1794
1147	$msg{msgid} = $id;	1795	$self->ns->ext_reply ($id, @msg)
1148
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}	1796	}
1151		1797
1152	=item $player->ext_event ($type, %msg)	1798	=item $player->ext_msg ($type, @msg)
1153		1799
1154	Sends an ext event to the client.	1800	Sends an ext event to the client.
1155		1801
1156	=cut	1802	=cut
1157		1803
1158	sub ext_event($$%) {	1804	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1805	my ($self, $type, @msg) = @_;
1160		1806
1161	$self->ns->ext_event ($type, %msg);	1807	$self->ns->ext_msg ($type, @msg);
1162	}	1808	}
1163		1809
1164	=head3 cf::region	1810	=head3 cf::region
1165		1811
1166	=over 4	1812	=over 4
…		…
1169		1815
1170	package cf::region;	1816	package cf::region;
1171		1817
1172	=item cf::region::find_by_path $path	1818	=item cf::region::find_by_path $path
1173		1819
1174	Tries to decuce the probable region for a map knowing only its path.	1820	Tries to decuce the likely region for a map knowing only its path.
1175		1821
1176	=cut	1822	=cut
1177		1823
1178	sub find_by_path($) {	1824	sub find_by_path($) {
1179	my ($path) = @_;	1825	my ($path) = @_;
1180		1826
		1827	$path =~ s/^~[^\/]*//; # skip ~login
		1828
1181	my ($match, $specificity);	1829	my ($match, $specificity);
1182		1830
1183	for my $region (list) {	1831	for my $region (list) {
1184	if ($region->match && $path =~ $region->match) {	1832	if ($region->{match} && $path =~ $region->{match}) {
1185	($match, $specificity) = ($region, $region->specificity)	1833	($match, $specificity) = ($region, $region->specificity)
1186	if $region->specificity > $specificity;	1834	if $region->specificity > $specificity;
1187	}	1835	}
1188	}	1836	}
1189		1837
…		…
1210	our $MAX_RESET = 3600;	1858	our $MAX_RESET = 3600;
1211	our $DEFAULT_RESET = 3000;	1859	our $DEFAULT_RESET = 3000;
1212		1860
1213	sub generate_random_map {	1861	sub generate_random_map {
1214	my ($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
1215	# mit "rum" bekleckern, nicht	1866	# mit "rum" bekleckern, nicht
1216	$self->_create_random_map (	1867	$self->_create_random_map (
1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1868	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1869	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1870	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1220	$rmp->{exit_on_final_map},	1871	$rmp->{exit_on_final_map},
1221	$rmp->{xsize}, $rmp->{ysize},	1872	$rmp->{xsize}, $rmp->{ysize},
1222	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1873	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1223	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1874	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1238		1889
1239	sub register {	1890	sub register {
1240	my (undef, $regex, $prio) = @_;	1891	my (undef, $regex, $prio) = @_;
1241	my $pkg = caller;	1892	my $pkg = caller;
1242		1893
1243	no strict;
1244	push @{"$pkg\::ISA"}, __PACKAGE__;	1894	push @{"$pkg\::ISA"}, __PACKAGE__;
1245		1895
1246	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1896	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1247	}	1897	}
1248		1898
1249	# also paths starting with '/'	1899	# also paths starting with '/'
1250	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1900	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1251		1901
1252	sub thawer_merge {	1902	sub thawer_merge {
1253	my ($self, $merge) = @_;	1903	my ($self, $merge) = @_;
1254		1904
1255	# we have to keep some variables in memory intact	1905	# we have to keep some variables in memory intact
1256	local $self->{path};	1906	local $self->{path};
1257	local $self->{load_path};	1907	local $self->{load_path};
1258	local $self->{deny_save};
1259	local $self->{deny_reset};
1260		1908
1261	$self->SUPER::thawer_merge ($merge);	1909	$self->SUPER::thawer_merge ($merge);
1262	}	1910	}
1263		1911
1264	sub normalise {	1912	sub normalise {
1265	my ($path, $base) = @_;	1913	my ($path, $base) = @_;
1266		1914
1267	$path = "$path"; # make sure its a string	1915	$path = "$path"; # make sure it's a string
1268		1916
1269	$path =~ s/\.map$//;	1917	$path =~ s/\.map$//;
1270		1918
1271	# map plan:	1919	# map plan:
1272	#	1920	#
…		…
1287	$base =~ s{[^/]+/?$}{};	1935	$base =~ s{[^/]+/?$}{};
1288	$path = "$base/$path";	1936	$path = "$base/$path";
1289	}	1937	}
1290		1938
1291	for ($path) {	1939	for ($path) {
1292	redo if s{//}{/};
1293	redo if s{/\.?/}{/};	1940	redo if s{/\.?/}{/};
1294	redo if s{/[^/]+/\.\./}{/};	1941	redo if s{/[^/]+/\.\./}{/};
1295	}	1942	}
1296		1943
1297	$path	1944	$path
…		…
1311	$self->init; # pass $1 etc.	1958	$self->init; # pass $1 etc.
1312	return $self;	1959	return $self;
1313	}	1960	}
1314	}	1961	}
1315		1962
1316	Carp::carp "unable to resolve path '$path' (base '$base').";	1963	Carp::cluck "unable to resolve path '$path' (base '$base')";
1317	()	1964	()
1318	}	1965	}
1319		1966
1320	sub init {	1967	sub init {
1321	my ($self) = @_;	1968	my ($self) = @_;
…		…
1336		1983
1337	# the original (read-only) location	1984	# the original (read-only) location
1338	sub load_path {	1985	sub load_path {
1339	my ($self) = @_;	1986	my ($self) = @_;
1340		1987
1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1988	"$MAPDIR/$self->{path}.map"
1342	}	1989	}
1343		1990
1344	# the temporary/swap location	1991	# the temporary/swap location
1345	sub save_path {	1992	sub save_path {
1346	my ($self) = @_;	1993	my ($self) = @_;
1347		1994
1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1995	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1996	"$TMPDIR/$path.map"
1350	}	1997	}
1351		1998
1352	# the unique path, undef == no special unique path	1999	# the unique path, undef == no special unique path
1353	sub uniq_path {	2000	sub uniq_path {
1354	my ($self) = @_;	2001	my ($self) = @_;
1355		2002
1356	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2003	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1357	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2004	"$UNIQUEDIR/$path"
1358	}	2005	}
1359		2006
1360	# and all this just because we cannot iterate over	2007	sub decay_objects {
1361	# all maps in C++...
1362	sub change_all_map_light {
1363	my ($change) = @_;	2008	my ($self) = @_;
1364		2009
1365	$_->change_map_light ($change)	2010	return if $self->{deny_reset};
1366	for grep $_->outdoor, values %cf::MAP;	2011
		2012	$self->do_decay_objects;
1367	}	2013	}
1368		2014
1369	sub unlink_save {	2015	sub unlink_save {
1370	my ($self) = @_;	2016	my ($self) = @_;
1371		2017
…		…
1376		2022
1377	sub load_header_from($) {	2023	sub load_header_from($) {
1378	my ($self, $path) = @_;	2024	my ($self, $path) = @_;
1379		2025
1380	utf8::encode $path;	2026	utf8::encode $path;
1381	#aio_open $path, O_RDONLY, 0	2027	my $f = new_from_file cf::object::thawer $path
1382	# or return;
1383
1384	$self->_load_header ($path)
1385	or return;	2028	or return;
		2029
		2030	$self->_load_header ($f)
		2031	or return;
		2032
		2033	local $MAP_LOADING{$self->{path}} = $self;
		2034	$f->resolve_delayed_derefs;
1386		2035
1387	$self->{load_path} = $path;	2036	$self->{load_path} = $path;
1388		2037
1389	1	2038	1
1390	}	2039	}
…		…
1429	$self->load_header_orig	2078	$self->load_header_orig
1430	or return;	2079	or return;
1431	$self->prepare_orig;	2080	$self->prepare_orig;
1432	}	2081	}
1433		2082
		2083	$self->{deny_reset} = 1
		2084	if $self->no_reset;
		2085
1434	$self->default_region (cf::region::find_by_path $self->{path})	2086	$self->default_region (cf::region::find_by_path $self->{path})
1435	unless $self->default_region;	2087	unless $self->default_region;
1436		2088
1437	1	2089	1
1438	}	2090	}
1439		2091
1440	sub find;	2092	sub find;
1441	sub find {	2093	sub find {
1442	my ($path, $origin) = @_;	2094	my ($path, $origin) = @_;
1443		2095
		2096	cf::cede_to_tick;
		2097
1444	$path = normalise $path, $origin && $origin->path;	2098	$path = normalise $path, $origin && $origin->path;
1445		2099
		2100	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1446	cf::lock_wait "map_find:$path";	2101	my $guard2 = cf::lock_acquire "map_find:$path";
1447		2102
1448	$cf::MAP{$path} || do {	2103	$cf::MAP{$path} || do {
1449	my $guard = cf::lock_acquire "map_find:$path";
1450	my $map = new_from_path cf::map $path	2104	my $map = new_from_path cf::map $path
1451	or return;	2105	or return;
1452		2106
1453	$map->{last_save} = $cf::RUNTIME;	2107	$map->{last_save} = $cf::RUNTIME;
1454		2108
1455	$map->load_header	2109	$map->load_header
1456	or return;	2110	or return;
1457		2111
1458	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2112	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1459	# doing this can freeze the server in a sync job, obviously	2113	# doing this can freeze the server in a sync job, obviously
1460	#$cf::WAIT_FOR_TICK->wait;	2114	#$cf::WAIT_FOR_TICK->wait;
		2115	undef $guard2;
		2116	undef $guard1;
1461	$map->reset;	2117	$map->reset;
1462	undef $guard;
1463	return find $path;	2118	return find $path;
1464	}	2119	}
1465		2120
1466	$cf::MAP{$path} = $map	2121	$cf::MAP{$path} = $map
1467	}	2122	}
1468	}	2123	}
1469		2124
1470	sub pre_load { }	2125	sub pre_load { }
1471	sub post_load { }	2126	#sub post_load { } # XS
1472		2127
1473	sub load {	2128	sub load {
1474	my ($self) = @_;	2129	my ($self) = @_;
1475		2130
1476	local $self->{deny_reset} = 1; # loading can take a long time	2131	local $self->{deny_reset} = 1; # loading can take a long time
1477		2132
1478	my $path = $self->{path};	2133	my $path = $self->{path};
		2134
		2135	{
1479	my $guard = cf::lock_acquire "map_load:$path";	2136	my $guard = cf::lock_acquire "map_data:$path";
1480		2137
		2138	return unless $self->valid;
1481	return if $self->in_memory != cf::MAP_SWAPPED;	2139	return unless $self->in_memory == cf::MAP_SWAPPED;
1482		2140
1483	$self->in_memory (cf::MAP_LOADING);	2141	$self->in_memory (cf::MAP_LOADING);
1484		2142
1485	$self->alloc;	2143	$self->alloc;
1486		2144
1487	$self->pre_load;	2145	$self->pre_load;
1488	Coro::cede;	2146	cf::cede_to_tick;
1489		2147
1490	$self->_load_objects ($self->{load_path}, 1)	2148	my $f = new_from_file cf::object::thawer $self->{load_path};
		2149	$f->skip_block;
		2150	$self->_load_objects ($f)
1491	or return;	2151	or return;
1492		2152
1493	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2153	$self->post_load_original
1494	if delete $self->{load_original};	2154	if delete $self->{load_original};
1495		2155
1496	if (my $uniq = $self->uniq_path) {	2156	if (my $uniq = $self->uniq_path) {
1497	utf8::encode $uniq;	2157	utf8::encode $uniq;
1498	if (aio_open $uniq, O_RDONLY, 0) {	2158	unless (aio_stat $uniq) {
		2159	if (my $f = new_from_file cf::object::thawer $uniq) {
1499	$self->clear_unique_items;	2160	$self->clear_unique_items;
1500	$self->_load_objects ($uniq, 0);	2161	$self->_load_objects ($f);
		2162	$f->resolve_delayed_derefs;
		2163	}
1501	}	2164	}
1502	}	2165	}
1503		2166
1504	Coro::cede;	2167	$f->resolve_delayed_derefs;
		2168
		2169	cf::cede_to_tick;
1505	# now do the right thing for maps	2170	# now do the right thing for maps
1506	$self->link_multipart_objects;	2171	$self->link_multipart_objects;
1507	Coro::cede;
1508
1509	unless ($self->{deny_activate}) {
1510	$self->decay_objects;
1511	$self->fix_auto_apply;
1512	$self->update_buttons;
1513	Coro::cede;
1514	$self->set_darkness_map;
1515	$self->difficulty ($self->estimate_difficulty)	2172	$self->difficulty ($self->estimate_difficulty)
1516	unless $self->difficulty;	2173	unless $self->difficulty;
1517	Coro::cede;	2174	cf::cede_to_tick;
		2175
		2176	unless ($self->{deny_activate}) {
		2177	$self->decay_objects;
		2178	$self->fix_auto_apply;
		2179	$self->update_buttons;
		2180	cf::cede_to_tick;
1518	$self->activate;	2181	$self->activate;
1519	Coro::cede;	2182	}
		2183
		2184	$self->{last_save} = $cf::RUNTIME;
		2185	$self->last_access ($cf::RUNTIME);
		2186
		2187	$self->in_memory (cf::MAP_ACTIVE);
1520	}	2188	}
1521		2189
1522	$self->post_load;	2190	$self->post_load;
1523	Coro::cede;
1524
1525	$self->in_memory (cf::MAP_IN_MEMORY);
1526	}	2191	}
1527		2192
		2193	# customize the map for a given player, i.e.
		2194	# return the _real_ map. used by e.g. per-player
		2195	# maps to change the path to ~playername/mappath
1528	sub customise_for {	2196	sub customise_for {
1529	my ($self, $ob) = @_;	2197	my ($self, $ob) = @_;
1530		2198
1531	return find "~" . $ob->name . "/" . $self->{path}	2199	return find "~" . $ob->name . "/" . $self->{path}
1532	if $self->per_player;	2200	if $self->per_player;
1533		2201
		2202	# return find "?party/" . $ob->name . "/" . $self->{path}
		2203	# if $self->per_party;
		2204
1534	$self	2205	$self
1535	}	2206	}
1536		2207
1537	# find and load all maps in the 3x3 area around a map	2208	# find and load all maps in the 3x3 area around a map
1538	sub load_diag {	2209	sub load_neighbours {
1539	my ($map) = @_;	2210	my ($map) = @_;
1540		2211
1541	my @diag; # diagonal neighbours	2212	my @neigh; # diagonal neighbours
1542		2213
1543	for (0 .. 3) {	2214	for (0 .. 3) {
1544	my $neigh = $map->tile_path ($_)	2215	my $neigh = $map->tile_path ($_)
1545	or next;	2216	or next;
1546	$neigh = find $neigh, $map	2217	$neigh = find $neigh, $map
1547	or next;	2218	or next;
1548	$neigh->load;	2219	$neigh->load;
1549		2220
		2221	# now find the diagonal neighbours
		2222	push @neigh,
1550	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2223	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1551	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2224	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1552	}	2225	}
1553		2226
1554	for (@diag) {	2227	for (grep defined $_->[0], @neigh) {
		2228	my ($path, $origin) = @$_;
1555	my $neigh = find @$_	2229	my $neigh = find $path, $origin
1556	or next;	2230	or next;
1557	$neigh->load;	2231	$neigh->load;
1558	}	2232	}
1559	}	2233	}
1560		2234
1561	sub find_sync {	2235	sub find_sync {
1562	my ($path, $origin) = @_;	2236	my ($path, $origin) = @_;
1563		2237
1564	cf::sync_job { find $path, $origin }	2238	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2239	if $Coro::current == $Coro::main;
		2240
		2241	find $path, $origin
1565	}	2242	}
1566		2243
1567	sub do_load_sync {	2244	sub do_load_sync {
1568	my ($map) = @_;	2245	my ($map) = @_;
1569		2246
1570	cf::sync_job { $map->load };	2247	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2248	if $Coro::current == $Coro::main;
		2249
		2250	$map->load;
1571	}	2251	}
1572		2252
1573	our %MAP_PREFETCH;	2253	our %MAP_PREFETCH;
1574	our $MAP_PREFETCHER = undef;	2254	our $MAP_PREFETCHER = undef;
1575		2255
1576	sub find_async {	2256	sub find_async {
1577	my ($path, $origin) = @_;	2257	my ($path, $origin, $load) = @_;
1578		2258
1579	$path = normalise $path, $origin && $origin->{path};	2259	$path = normalise $path, $origin && $origin->{path};
1580		2260
1581	if (my $map = $cf::MAP{$path}) {	2261	if (my $map = $cf::MAP{$path}) {
1582	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2262	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1583	}	2263	}
1584		2264
1585	undef $MAP_PREFETCH{$path};	2265	$MAP_PREFETCH{$path} |= $load;
		2266
1586	$MAP_PREFETCHER ||= cf::async {	2267	$MAP_PREFETCHER ||= cf::async {
		2268	$Coro::current->{desc} = "map prefetcher";
		2269
1587	while (%MAP_PREFETCH) {	2270	while (%MAP_PREFETCH) {
1588	for my $path (keys %MAP_PREFETCH) {	2271	while (my ($k, $v) = each %MAP_PREFETCH) {
1589	my $map = find $path	2272	if (my $map = find $k) {
1590	or next;
1591	$map->load;	2273	$map->load if $v;
		2274	}
1592		2275
1593	delete $MAP_PREFETCH{$path};	2276	delete $MAP_PREFETCH{$k};
1594	}	2277	}
1595	}	2278	}
1596	undef $MAP_PREFETCHER;	2279	undef $MAP_PREFETCHER;
1597	};	2280	};
1598	$MAP_PREFETCHER->prio (6);	2281	$MAP_PREFETCHER->prio (6);
1599		2282
1600	()	2283	()
1601	}	2284	}
1602		2285
		2286	# common code, used by both ->save and ->swapout
1603	sub save {	2287	sub _save {
1604	my ($self) = @_;	2288	my ($self) = @_;
1605
1606	my $lock = cf::lock_acquire "map_data:" . $self->path;
1607		2289
1608	$self->{last_save} = $cf::RUNTIME;	2290	$self->{last_save} = $cf::RUNTIME;
1609		2291
1610	return unless $self->dirty;	2292	return unless $self->dirty;
1611		2293
…		…
1617	return if $self->{deny_save};	2299	return if $self->{deny_save};
1618		2300
1619	local $self->{last_access} = $self->last_access;#d#	2301	local $self->{last_access} = $self->last_access;#d#
1620		2302
1621	cf::async {	2303	cf::async {
		2304	$Coro::current->{desc} = "map player save";
1622	$_->contr->save for $self->players;	2305	$_->contr->save for $self->players;
1623	};	2306	};
		2307
		2308	cf::get_slot 0.02;
1624		2309
1625	if ($uniq) {	2310	if ($uniq) {
1626	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2311	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1627	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2312	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1628	} else {	2313	} else {
1629	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2314	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1630	}	2315	}
1631	}	2316	}
1632		2317
		2318	sub save {
		2319	my ($self) = @_;
		2320
		2321	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2322
		2323	$self->_save;
		2324	}
		2325
1633	sub swap_out {	2326	sub swap_out {
1634	my ($self) = @_;	2327	my ($self) = @_;
1635		2328
1636	# save first because save cedes
1637	$self->save;
1638
1639	my $lock = cf::lock_acquire "map_data:" . $self->path;	2329	my $lock = cf::lock_acquire "map_data:$self->{path}";
1640		2330
		2331	return if $self->in_memory != cf::MAP_ACTIVE;
		2332	return if $self->{deny_save};
1641	return if $self->players;	2333	return if $self->players;
1642	return if $self->in_memory != cf::MAP_IN_MEMORY;
1643	return if $self->{deny_save};
1644		2334
		2335	# first deactivate the map and "unlink" it from the core
		2336	$self->deactivate;
		2337	$_->clear_links_to ($self) for values %cf::MAP;
		2338	$self->in_memory (cf::MAP_SWAPPED);
		2339
		2340	# then atomically save
		2341	$self->_save;
		2342
		2343	# then free the map
1645	$self->clear;	2344	$self->clear;
1646	$self->in_memory (cf::MAP_SWAPPED);
1647	}	2345	}
1648		2346
1649	sub reset_at {	2347	sub reset_at {
1650	my ($self) = @_;	2348	my ($self) = @_;
1651		2349
1652	# TODO: safety, remove and allow resettable per-player maps	2350	# TODO: safety, remove and allow resettable per-player maps
1653	return 1e99 if $self->isa ("ext::map_per_player");#d#
1654	return 1e99 if $self->{deny_reset};	2351	return 1e99 if $self->{deny_reset};
1655		2352
1656	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2353	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1657	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2354	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1658		2355
…		…
1669	my ($self) = @_;	2366	my ($self) = @_;
1670		2367
1671	my $lock = cf::lock_acquire "map_data:$self->{path}";	2368	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		2369
1673	return if $self->players;	2370	return if $self->players;
1674	return if $self->isa ("ext::map_per_player");#d#
1675		2371
1676	warn "resetting map ", $self->path;#d#	2372	cf::trace "resetting map ", $self->path, "\n";
1677		2373
1678	$self->in_memory (cf::MAP_SWAPPED);	2374	$self->in_memory (cf::MAP_SWAPPED);
1679		2375
1680	# need to save uniques path	2376	# need to save uniques path
1681	unless ($self->{deny_save}) {	2377	unless ($self->{deny_save}) {
…		…
1685	if $uniq;	2381	if $uniq;
1686	}	2382	}
1687		2383
1688	delete $cf::MAP{$self->path};	2384	delete $cf::MAP{$self->path};
1689		2385
		2386	$self->deactivate;
		2387	$_->clear_links_to ($self) for values %cf::MAP;
1690	$self->clear;	2388	$self->clear;
1691
1692	$_->clear_links_to ($self) for values %cf::MAP;
1693		2389
1694	$self->unlink_save;	2390	$self->unlink_save;
1695	$self->destroy;	2391	$self->destroy;
1696	}	2392	}
1697		2393
1698	my $nuke_counter = "aaaa";	2394	my $nuke_counter = "aaaa";
1699		2395
1700	sub nuke {	2396	sub nuke {
1701	my ($self) = @_;	2397	my ($self) = @_;
1702		2398
		2399	{
		2400	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2401
1703	delete $cf::MAP{$self->path};	2402	delete $cf::MAP{$self->path};
1704		2403
1705	$self->unlink_save;	2404	$self->unlink_save;
1706		2405
1707	bless $self, "cf::map";	2406	bless $self, "cf::map::wrap";
1708	delete $self->{deny_reset};	2407	delete $self->{deny_reset};
1709	$self->{deny_save} = 1;	2408	$self->{deny_save} = 1;
1710	$self->reset_timeout (1);	2409	$self->reset_timeout (1);
1711	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2410	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1712		2411
1713	$cf::MAP{$self->path} = $self;	2412	$cf::MAP{$self->path} = $self;
		2413	}
1714		2414
1715	$self->reset; # polite request, might not happen	2415	$self->reset; # polite request, might not happen
		2416	}
		2417
		2418	=item $maps = cf::map::tmp_maps
		2419
		2420	Returns an arrayref with all map paths of currently instantiated and saved
		2421	maps. May block.
		2422
		2423	=cut
		2424
		2425	sub tmp_maps() {
		2426	[
		2427	map {
		2428	utf8::decode $_;
		2429	/\.map$/
		2430	? normalise $_
		2431	: ()
		2432	} @{ aio_readdir $TMPDIR or [] }
		2433	]
		2434	}
		2435
		2436	=item $maps = cf::map::random_maps
		2437
		2438	Returns an arrayref with all map paths of currently instantiated and saved
		2439	random maps. May block.
		2440
		2441	=cut
		2442
		2443	sub random_maps() {
		2444	[
		2445	map {
		2446	utf8::decode $_;
		2447	/\.map$/
		2448	? normalise "?random/$_"
		2449	: ()
		2450	} @{ aio_readdir $RANDOMDIR or [] }
		2451	]
1716	}	2452	}
1717		2453
1718	=item cf::map::unique_maps	2454	=item cf::map::unique_maps
1719		2455
1720	Returns an arrayref of paths of all shared maps that have	2456	Returns an arrayref of paths of all shared maps that have
1721	instantiated unique items. May block.	2457	instantiated unique items. May block.
1722		2458
1723	=cut	2459	=cut
1724		2460
1725	sub unique_maps() {	2461	sub unique_maps() {
1726	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2462	[
1727	or return;	2463	map {
1728
1729	my @paths;
1730
1731	for (@$files) {
1732	utf8::decode $_;	2464	utf8::decode $_;
1733	next if /\.pst$/;	2465	s/\.map$//; # TODO future compatibility hack
1734	next unless /^$PATH_SEP/o;	2466	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1735		2467	? ()
1736	push @paths, cf::map::normalise $_;	2468	: normalise $_
		2469	} @{ aio_readdir $UNIQUEDIR or [] }
1737	}	2470	]
1738
1739	\@paths
1740	}	2471	}
1741		2472
1742	package cf;	2473	=item cf::map::static_maps
		2474
		2475	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2476	file in the shared directory excluding F</styles> and F</editor>). May
		2477	block.
		2478
		2479	=cut
		2480
		2481	sub static_maps() {
		2482	my @dirs = "";
		2483	my @maps;
		2484
		2485	while (@dirs) {
		2486	my $dir = shift @dirs;
		2487
		2488	next if $dir eq "/styles" || $dir eq "/editor";
		2489
		2490	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2491	or return;
		2492
		2493	for (@$files) {
		2494	s/\.map$// or next;
		2495	utf8::decode $_;
		2496	push @maps, "$dir/$_";
		2497	}
		2498
		2499	push @dirs, map "$dir/$_", @$dirs;
		2500	}
		2501
		2502	\@maps
		2503	}
1743		2504
1744	=back	2505	=back
1745		2506
1746	=head3 cf::object	2507	=head3 cf::object
1747		2508
…		…
1751		2512
1752	=over 4	2513	=over 4
1753		2514
1754	=item $ob->inv_recursive	2515	=item $ob->inv_recursive
1755		2516
1756	Returns the inventory of the object _and_ their inventories, recursively.	2517	Returns the inventory of the object I<and> their inventories, recursively,
		2518	but I<not> the object itself.
1757		2519
1758	=cut	2520	=cut
1759		2521
1760	sub inv_recursive_;	2522	sub inv_recursive_;
1761	sub inv_recursive_ {	2523	sub inv_recursive_ {
…		…
1764		2526
1765	sub inv_recursive {	2527	sub inv_recursive {
1766	inv_recursive_ inv $_[0]	2528	inv_recursive_ inv $_[0]
1767	}	2529	}
1768		2530
		2531	=item $ref = $ob->ref
		2532
		2533	Creates and returns a persistent reference to an object that can be stored as a string.
		2534
		2535	=item $ob = cf::object::deref ($refstring)
		2536
		2537	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2538	even if the object actually exists. May block.
		2539
		2540	=cut
		2541
		2542	sub deref {
		2543	my ($ref) = @_;
		2544
		2545	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2546	my ($uuid, $name) = ($1, $2);
		2547	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2548	or return;
		2549	$pl->ob->uuid eq $uuid
		2550	or return;
		2551
		2552	$pl->ob
		2553	} else {
		2554	warn "$ref: cannot resolve object reference\n";
		2555	undef
		2556	}
		2557	}
		2558
1769	package cf;	2559	package cf;
1770		2560
1771	=back	2561	=back
1772		2562
1773	=head3 cf::object::player	2563	=head3 cf::object::player
…		…
1779	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2569	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1780	can be C<undef>. Does the right thing when the player is currently in a	2570	can be C<undef>. Does the right thing when the player is currently in a
1781	dialogue with the given NPC character.	2571	dialogue with the given NPC character.
1782		2572
1783	=cut	2573	=cut
		2574
		2575	our $SAY_CHANNEL = {
		2576	id => "say",
		2577	title => "Map",
		2578	reply => "say ",
		2579	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2580	};
		2581
		2582	our $CHAT_CHANNEL = {
		2583	id => "chat",
		2584	title => "Chat",
		2585	reply => "chat ",
		2586	tooltip => "Player chat and shouts, global to the server.",
		2587	};
1784		2588
1785	# rough implementation of a future "reply" method that works	2589	# rough implementation of a future "reply" method that works
1786	# with dialog boxes.	2590	# with dialog boxes.
1787	#TODO: the first argument must go, split into a $npc->reply_to ( method	2591	#TODO: the first argument must go, split into a $npc->reply_to ( method
1788	sub cf::object::player::reply($$$;$) {	2592	sub cf::object::player::reply($$$;$) {
…		…
1790		2594
1791	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2595	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1792		2596
1793	if ($self->{record_replies}) {	2597	if ($self->{record_replies}) {
1794	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2598	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2599
1795	} else {	2600	} else {
		2601	my $pl = $self->contr;
		2602
		2603	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2604	my $dialog = $pl->{npc_dialog};
		2605	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2606
		2607	} else {
1796	$msg = $npc->name . " says: $msg" if $npc;	2608	$msg = $npc->name . " says: $msg" if $npc;
1797	$self->message ($msg, $flags);	2609	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2610	}
1798	}	2611	}
		2612	}
		2613
		2614	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2615
		2616	=cut
		2617
		2618	sub cf::object::send_msg {
		2619	my $pl = shift->contr
		2620	or return;
		2621	$pl->send_msg (@_);
1799	}	2622	}
1800		2623
1801	=item $player_object->may ("access")	2624	=item $player_object->may ("access")
1802		2625
1803	Returns wether the given player is authorized to access resource "access"	2626	Returns wether the given player is authorized to access resource "access"
…		…
1816		2639
1817	=item $player_object->enter_link	2640	=item $player_object->enter_link
1818		2641
1819	Freezes the player and moves him/her to a special map (C<{link}>).	2642	Freezes the player and moves him/her to a special map (C<{link}>).
1820		2643
1821	The player should be reasonably safe there for short amounts of time. You	2644	The player should be reasonably safe there for short amounts of time (e.g.
1822	I<MUST> call C<leave_link> as soon as possible, though.	2645	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2646	though, as the player cannot control the character while it is on the link
		2647	map.
1823		2648
1824	Will never block.	2649	Will never block.
1825		2650
1826	=item $player_object->leave_link ($map, $x, $y)	2651	=item $player_object->leave_link ($map, $x, $y)
1827		2652
…		…
1847	sub cf::object::player::enter_link {	2672	sub cf::object::player::enter_link {
1848	my ($self) = @_;	2673	my ($self) = @_;
1849		2674
1850	$self->deactivate_recursive;	2675	$self->deactivate_recursive;
1851		2676
		2677	++$self->{_link_recursion};
		2678
1852	return if UNIVERSAL::isa $self->map, "ext::map_link";	2679	return if UNIVERSAL::isa $self->map, "ext::map_link";
1853		2680
1854	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2681	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1855	if $self->map;	2682	if $self->map && $self->map->{path} ne "{link}";
1856		2683
1857	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2684	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1858	}	2685	}
1859		2686
1860	sub cf::object::player::leave_link {	2687	sub cf::object::player::leave_link {
1861	my ($self, $map, $x, $y) = @_;	2688	my ($self, $map, $x, $y) = @_;
		2689
		2690	return unless $self->contr->active;
1862		2691
1863	my $link_pos = delete $self->{_link_pos};	2692	my $link_pos = delete $self->{_link_pos};
1864		2693
1865	unless ($map) {	2694	unless ($map) {
1866	# restore original map position	2695	# restore original map position
…		…
1877	($x, $y) = (-1, -1)	2706	($x, $y) = (-1, -1)
1878	unless (defined $x) && (defined $y);	2707	unless (defined $x) && (defined $y);
1879		2708
1880	# use -1 or undef as default coordinates, not 0, 0	2709	# use -1 or undef as default coordinates, not 0, 0
1881	($x, $y) = ($map->enter_x, $map->enter_y)	2710	($x, $y) = ($map->enter_x, $map->enter_y)
1882	if $x <=0 && $y <= 0;	2711	if $x <= 0 && $y <= 0;
1883		2712
1884	$map->load;	2713	$map->load;
1885	$map->load_diag;	2714	$map->load_neighbours;
1886		2715
1887	return unless $self->contr->active;	2716	return unless $self->contr->active;
1888	$self->activate_recursive;
1889		2717
1890	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2718	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1891	$self->enter_map ($map, $x, $y);	2719	if ($self->enter_map ($map, $x, $y)) {
1892	}	2720	# entering was successful
1893		2721	delete $self->{_link_recursion};
1894	cf::player->attach (	2722	# only activate afterwards, to support waiting in hooks
1895	on_logout => sub {	2723	$self->activate_recursive;
1896	my ($pl) = @_;
1897
1898	# abort map switching before logout
1899	if ($pl->ob->{_link_pos}) {
1900	cf::sync_job {
1901	$pl->ob->leave_link
1902	};
1903	}
1904	},	2724	}
1905	on_login => sub {
1906	my ($pl) = @_;
1907		2725
1908	# try to abort aborted map switching on player login :)	2726	}
1909	# should happen only on crashes
1910	if ($pl->ob->{_link_pos}) {
1911	$pl->ob->enter_link;
1912	(async {
1913	$pl->ob->reply (undef,
1914	"There was an internal problem at your last logout, "
1915	. "the server will try to bring you to your intended destination in a second.",
1916	cf::NDI_RED);
1917	# we need this sleep as the login has a concurrent enter_exit running
1918	# and this sleep increases chances of the player not ending up in scorn
1919	Coro::Timer::sleep 1;
1920	$pl->ob->leave_link;
1921	})->prio (2);
1922	}
1923	},
1924	);
1925		2727
1926	=item $player_object->goto ($path, $x, $y)	2728	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1927		2729
		2730	Moves the player to the given map-path and coordinates by first freezing
		2731	her, loading and preparing them map, calling the provided $check callback
		2732	that has to return the map if sucecssful, and then unfreezes the player on
		2733	the new (success) or old (failed) map position. In either case, $done will
		2734	be called at the end of this process.
		2735
		2736	Note that $check will be called with a potentially non-loaded map, so if
		2737	it needs a loaded map it has to call C<< ->load >>.
		2738
1928	=cut	2739	=cut
		2740
		2741	our $GOTOGEN;
1929		2742
1930	sub cf::object::player::goto {	2743	sub cf::object::player::goto {
1931	my ($self, $path, $x, $y) = @_;	2744	my ($self, $path, $x, $y, $check, $done) = @_;
		2745
		2746	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2747	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2748	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2749	($path, $x, $y) = @$EMERGENCY_POSITION;
		2750	}
		2751
		2752	# do generation counting so two concurrent goto's will be executed in-order
		2753	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1932		2754
1933	$self->enter_link;	2755	$self->enter_link;
1934		2756
1935	(async {	2757	(async {
		2758	$Coro::current->{desc} = "player::goto $path $x $y";
		2759
		2760	# *tag paths override both path and x|y
		2761	if ($path =~ /^\*(.*)$/) {
		2762	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2763	my $ob = $obs[rand @obs];
		2764
		2765	# see if we actually can go there
		2766	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2767	$ob = $obs[rand @obs];
		2768	} else {
		2769	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2770	}
		2771	# else put us there anyways for now #d#
		2772
		2773	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2774	} else {
		2775	($path, $x, $y) = (undef, undef, undef);
		2776	}
		2777	}
		2778
1936	my $map = eval {	2779	my $map = eval {
1937	my $map = cf::map::find $path;	2780	my $map = defined $path ? cf::map::find $path : undef;
		2781
		2782	if ($map) {
1938	$map = $map->customise_for ($self) if $map;	2783	$map = $map->customise_for ($self);
		2784	$map = $check->($map, $x, $y, $self) if $check && $map;
		2785	} else {
		2786	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2787	}
		2788
1939	$map	2789	$map
		2790	};
		2791
		2792	if ($@) {
		2793	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2794	LOG llevError | logBacktrace, Carp::longmess $@;
1940	} or	2795	}
1941	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1942		2796
		2797	if ($gen == $self->{_goto_generation}) {
		2798	delete $self->{_goto_generation};
1943	$self->leave_link ($map, $x, $y);	2799	$self->leave_link ($map, $x, $y);
		2800	}
		2801
		2802	$done->($self) if $done;
1944	})->prio (1);	2803	})->prio (1);
1945	}	2804	}
1946		2805
1947	=item $player_object->enter_exit ($exit_object)	2806	=item $player_object->enter_exit ($exit_object)
1948		2807
…		…
1968	}	2827	}
1969		2828
1970	sub prepare_random_map {	2829	sub prepare_random_map {
1971	my ($exit) = @_;	2830	my ($exit) = @_;
1972		2831
1973	my $guard = cf::lock_acquire "exit_prepare:$exit";
1974
1975	# all this does is basically replace the /! path by	2832	# all this does is basically replace the /! path by
1976	# a new random map path (?random/...) with a seed	2833	# a new random map path (?random/...) with a seed
1977	# that depends on the exit object	2834	# that depends on the exit object
1978		2835
1979	my $rmp = parse_random_map_params $exit->msg;	2836	my $rmp = parse_random_map_params $exit->msg;
…		…
1981	if ($exit->map) {	2838	if ($exit->map) {
1982	$rmp->{region} = $exit->region->name;	2839	$rmp->{region} = $exit->region->name;
1983	$rmp->{origin_map} = $exit->map->path;	2840	$rmp->{origin_map} = $exit->map->path;
1984	$rmp->{origin_x} = $exit->x;	2841	$rmp->{origin_x} = $exit->x;
1985	$rmp->{origin_y} = $exit->y;	2842	$rmp->{origin_y} = $exit->y;
		2843
		2844	$exit->map->touch;
1986	}	2845	}
1987		2846
1988	$rmp->{random_seed} ||= $exit->random_seed;	2847	$rmp->{random_seed} ||= $exit->random_seed;
1989		2848
1990	my $data = cf::to_json $rmp;	2849	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1991	my $md5 = Digest::MD5::md5_hex $data;	2850	my $md5 = Digest::MD5::md5_hex $data;
1992	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2851	my $meta = "$RANDOMDIR/$md5.meta";
1993		2852
1994	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2853	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1995	aio_write $fh, 0, (length $data), $data, 0;	2854	aio_write $fh, 0, (length $data), $data, 0;
1996	undef $fh;	2855	undef $fh;
1997	aio_rename "$meta~", $meta;	2856	aio_rename "$meta~", $meta;
1998		2857
		2858	my $slaying = "?random/$md5";
		2859
		2860	if ($exit->valid) {
1999	$exit->slaying ("?random/$md5");	2861	$exit->slaying ("?random/$md5");
2000	$exit->msg (undef);	2862	$exit->msg (undef);
		2863	}
2001	}	2864	}
2002	}	2865	}
2003		2866
2004	sub cf::object::player::enter_exit {	2867	sub cf::object::player::enter_exit {
2005	my ($self, $exit) = @_;	2868	my ($self, $exit) = @_;
2006		2869
2007	return unless $self->type == cf::PLAYER;	2870	return unless $self->type == cf::PLAYER;
2008		2871
2009	if ($exit->slaying eq "/!") {
2010	#TODO: this should de-fi-ni-te-ly not be a sync-job
2011	# the problem is that $exit might not survive long enough
2012	# so it needs to be done right now, right here
2013	cf::sync_job { prepare_random_map $exit };
2014	}
2015
2016	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2017	my $hp = $exit->stats->hp;
2018	my $sp = $exit->stats->sp;
2019
2020	$self->enter_link;	2872	$self->enter_link;
2021		2873
2022	(async {	2874	(async {
2023	$self->deactivate_recursive; # just to be sure	2875	$Coro::current->{desc} = "enter_exit";
		2876
2024	unless (eval {	2877	unless (eval {
		2878	$self->deactivate_recursive; # just to be sure
		2879
		2880	# random map handling
		2881	{
		2882	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2883
		2884	prepare_random_map $exit
		2885	if $exit->slaying eq "/!";
		2886	}
		2887
		2888	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2889	my $x = $exit->stats->hp;
		2890	my $y = $exit->stats->sp;
		2891
2025	$self->goto ($slaying, $hp, $sp);	2892	$self->goto ($map, $x, $y);
2026		2893
		2894	# if exit is damned, update players death & WoR home-position
		2895	$self->contr->savebed ($map, $x, $y)
		2896	if $exit->flag (cf::FLAG_DAMNED);
		2897
2027	1;	2898	1
2028	}) {	2899	}) {
2029	$self->message ("Something went wrong deep within the crossfire server. "	2900	$self->message ("Something went wrong deep within the deliantra server. "
2030	. "I'll try to bring you back to the map you were before. "	2901	. "I'll try to bring you back to the map you were before. "
2031	. "Please report this to the dungeon master!",	2902	. "Please report this to the dungeon master!",
2032	cf::NDI_UNIQUE | cf::NDI_RED);	2903	cf::NDI_UNIQUE | cf::NDI_RED);
2033		2904
2034	warn "ERROR in enter_exit: $@";	2905	error "ERROR in enter_exit: $@";
2035	$self->leave_link;	2906	$self->leave_link;
2036	}	2907	}
2037	})->prio (1);	2908	})->prio (1);
2038	}	2909	}
2039		2910
…		…
2053		2924
2054	utf8::encode $text;	2925	utf8::encode $text;
2055	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2926	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2056	}	2927	}
2057		2928
		2929	=item $client->send_big_packet ($pkt)
		2930
		2931	Like C<send_packet>, but tries to compress large packets, and fragments
		2932	them as required.
		2933
		2934	=cut
		2935
		2936	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2937
		2938	sub cf::client::send_big_packet {
		2939	my ($self, $pkt) = @_;
		2940
		2941	# try lzf for large packets
		2942	$pkt = "lzf " . Compress::LZF::compress $pkt
		2943	if 1024 <= length $pkt and $self->{can_lzf};
		2944
		2945	# split very large packets
		2946	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2947	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2948	$pkt = "frag";
		2949	}
		2950
		2951	$self->send_packet ($pkt);
		2952	}
		2953
		2954	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2955
		2956	Send a drawinfo or msg packet to the client, formatting the msg for the
		2957	client if neccessary. C<$type> should be a string identifying the type of
		2958	the message, with C<log> being the default. If C<$color> is negative, suppress
		2959	the message unless the client supports the msg packet.
		2960
		2961	=cut
		2962
		2963	# non-persistent channels (usually the info channel)
		2964	our %CHANNEL = (
		2965	"c/motd" => {
		2966	id => "infobox",
		2967	title => "MOTD",
		2968	reply => undef,
		2969	tooltip => "The message of the day",
		2970	},
		2971	"c/identify" => {
		2972	id => "infobox",
		2973	title => "Identify",
		2974	reply => undef,
		2975	tooltip => "Items recently identified",
		2976	},
		2977	"c/examine" => {
		2978	id => "infobox",
		2979	title => "Examine",
		2980	reply => undef,
		2981	tooltip => "Signs and other items you examined",
		2982	},
		2983	"c/shopinfo" => {
		2984	id => "infobox",
		2985	title => "Shop Info",
		2986	reply => undef,
		2987	tooltip => "What your bargaining skill tells you about the shop",
		2988	},
		2989	"c/book" => {
		2990	id => "infobox",
		2991	title => "Book",
		2992	reply => undef,
		2993	tooltip => "The contents of a note or book",
		2994	},
		2995	"c/lookat" => {
		2996	id => "infobox",
		2997	title => "Look",
		2998	reply => undef,
		2999	tooltip => "What you saw there",
		3000	},
		3001	"c/who" => {
		3002	id => "infobox",
		3003	title => "Players",
		3004	reply => undef,
		3005	tooltip => "Shows players who are currently online",
		3006	},
		3007	"c/body" => {
		3008	id => "infobox",
		3009	title => "Body Parts",
		3010	reply => undef,
		3011	tooltip => "Shows which body parts you posess and are available",
		3012	},
		3013	"c/statistics" => {
		3014	id => "infobox",
		3015	title => "Statistics",
		3016	reply => undef,
		3017	tooltip => "Shows your primary statistics",
		3018	},
		3019	"c/skills" => {
		3020	id => "infobox",
		3021	title => "Skills",
		3022	reply => undef,
		3023	tooltip => "Shows your experience per skill and item power",
		3024	},
		3025	"c/shopitems" => {
		3026	id => "infobox",
		3027	title => "Shop Items",
		3028	reply => undef,
		3029	tooltip => "Shows the items currently for sale in this shop",
		3030	},
		3031	"c/resistances" => {
		3032	id => "infobox",
		3033	title => "Resistances",
		3034	reply => undef,
		3035	tooltip => "Shows your resistances",
		3036	},
		3037	"c/pets" => {
		3038	id => "infobox",
		3039	title => "Pets",
		3040	reply => undef,
		3041	tooltip => "Shows information abotu your pets/a specific pet",
		3042	},
		3043	"c/perceiveself" => {
		3044	id => "infobox",
		3045	title => "Perceive Self",
		3046	reply => undef,
		3047	tooltip => "You gained detailed knowledge about yourself",
		3048	},
		3049	"c/uptime" => {
		3050	id => "infobox",
		3051	title => "Uptime",
		3052	reply => undef,
		3053	tooltip => "How long the server has been running since last restart",
		3054	},
		3055	"c/mapinfo" => {
		3056	id => "infobox",
		3057	title => "Map Info",
		3058	reply => undef,
		3059	tooltip => "Information related to the maps",
		3060	},
		3061	"c/party" => {
		3062	id => "party",
		3063	title => "Party",
		3064	reply => "gsay ",
		3065	tooltip => "Messages and chat related to your party",
		3066	},
		3067	"c/death" => {
		3068	id => "death",
		3069	title => "Death",
		3070	reply => undef,
		3071	tooltip => "Reason for and more info about your most recent death",
		3072	},
		3073	"c/say" => $SAY_CHANNEL,
		3074	"c/chat" => $CHAT_CHANNEL,
		3075	);
		3076
		3077	sub cf::client::send_msg {
		3078	my ($self, $channel, $msg, $color, @extra) = @_;
		3079
		3080	$msg = $self->pl->expand_cfpod ($msg)
		3081	unless $color & cf::NDI_VERBATIM;
		3082
		3083	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3084
		3085	# check predefined channels, for the benefit of C
		3086	if ($CHANNEL{$channel}) {
		3087	$channel = $CHANNEL{$channel};
		3088
		3089	$self->ext_msg (channel_info => $channel);
		3090	$channel = $channel->{id};
		3091
		3092	} elsif (ref $channel) {
		3093	# send meta info to client, if not yet sent
		3094	unless (exists $self->{channel}{$channel->{id}}) {
		3095	$self->{channel}{$channel->{id}} = $channel;
		3096	$self->ext_msg (channel_info => $channel);
		3097	}
		3098
		3099	$channel = $channel->{id};
		3100	}
		3101
		3102	return unless @extra || length $msg;
		3103
		3104	# default colour, mask it out
		3105	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3106	if $color & cf::NDI_DEF;
		3107
		3108	my $pkt = "msg "
		3109	. $self->{json_coder}->encode (
		3110	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3111	);
		3112
		3113	$self->send_big_packet ($pkt);
		3114	}
		3115
2058	=item $client->ext_event ($type, %msg)	3116	=item $client->ext_msg ($type, @msg)
2059		3117
2060	Sends an exti event to the client.	3118	Sends an ext event to the client.
2061		3119
2062	=cut	3120	=cut
2063		3121
2064	sub cf::client::ext_event($$%) {	3122	sub cf::client::ext_msg($$@) {
2065	my ($self, $type, %msg) = @_;	3123	my ($self, $type, @msg) = @_;
2066		3124
		3125	if ($self->extcmd == 2) {
		3126	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3127	} elsif ($self->extcmd == 1) { # TODO: remove
2067	$msg{msgtype} = "event_$type";	3128	push @msg, msgtype => "event_$type";
2068	$self->send_packet ("ext " . cf::to_json \%msg);	3129	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3130	}
		3131	}
		3132
		3133	=item $client->ext_reply ($msgid, @msg)
		3134
		3135	Sends an ext reply to the client.
		3136
		3137	=cut
		3138
		3139	sub cf::client::ext_reply($$@) {
		3140	my ($self, $id, @msg) = @_;
		3141
		3142	if ($self->extcmd == 2) {
		3143	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3144	} elsif ($self->extcmd == 1) {
		3145	#TODO: version 1, remove
		3146	unshift @msg, msgtype => "reply", msgid => $id;
		3147	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3148	}
2069	}	3149	}
2070		3150
2071	=item $success = $client->query ($flags, "text", \&cb)	3151	=item $success = $client->query ($flags, "text", \&cb)
2072		3152
2073	Queues a query to the client, calling the given callback with	3153	Queues a query to the client, calling the given callback with
2074	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3154	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2075	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3155	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2076		3156
2077	Queries can fail, so check the return code. Or don't, as queries will become	3157	Queries can fail, so check the return code. Or don't, as queries will
2078	reliable at some point in the future.	3158	become reliable at some point in the future.
2079		3159
2080	=cut	3160	=cut
2081		3161
2082	sub cf::client::query {	3162	sub cf::client::query {
2083	my ($self, $flags, $text, $cb) = @_;	3163	my ($self, $flags, $text, $cb) = @_;
…		…
2091	utf8::encode $text;	3171	utf8::encode $text;
2092	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3172	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2093		3173
2094	$self->send_packet ($self->{query_queue}[0][0])	3174	$self->send_packet ($self->{query_queue}[0][0])
2095	if @{ $self->{query_queue} } == 1;	3175	if @{ $self->{query_queue} } == 1;
		3176
		3177	1
2096	}	3178	}
2097		3179
2098	cf::client->attach (	3180	cf::client->attach (
		3181	on_connect => sub {
		3182	my ($ns) = @_;
		3183
		3184	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3185	},
2099	on_reply => sub {	3186	on_reply => sub {
2100	my ($ns, $msg) = @_;	3187	my ($ns, $msg) = @_;
2101		3188
2102	# this weird shuffling is so that direct followup queries	3189	# this weird shuffling is so that direct followup queries
2103	# get handled first	3190	# get handled first
…		…
2115	} else {	3202	} else {
2116	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3203	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2117	}	3204	}
2118	}	3205	}
2119	},	3206	},
		3207	on_exticmd => sub {
		3208	my ($ns, $buf) = @_;
		3209
		3210	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3211
		3212	if (ref $msg) {
		3213	my ($type, $reply, @payload) =
		3214	"ARRAY" eq ref $msg
		3215	? @$msg
		3216	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3217
		3218	my @reply;
		3219
		3220	if (my $cb = $EXTICMD{$type}) {
		3221	@reply = $cb->($ns, @payload);
		3222	}
		3223
		3224	$ns->ext_reply ($reply, @reply)
		3225	if $reply;
		3226
		3227	} else {
		3228	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3229	}
		3230
		3231	cf::override;
		3232	},
2120	);	3233	);
2121		3234
2122	=item $client->async (\&cb)	3235	=item $client->async (\&cb)
2123		3236
2124	Create a new coroutine, running the specified callback. The coroutine will	3237	Create a new coroutine, running the specified callback. The coroutine will
…		…
2140		3253
2141	$coro	3254	$coro
2142	}	3255	}
2143		3256
2144	cf::client->attach (	3257	cf::client->attach (
2145	on_destroy => sub {	3258	on_client_destroy => sub {
2146	my ($ns) = @_;	3259	my ($ns) = @_;
2147		3260
2148	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3261	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2149	},	3262	},
2150	);	3263	);
…		…
2165	our $safe = new Safe "safe";	3278	our $safe = new Safe "safe";
2166	our $safe_hole = new Safe::Hole;	3279	our $safe_hole = new Safe::Hole;
2167		3280
2168	$SIG{FPE} = 'IGNORE';	3281	$SIG{FPE} = 'IGNORE';
2169		3282
2170	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3283	$safe->permit_only (Opcode::opset qw(
		3284	:base_core :base_mem :base_orig :base_math :base_loop
		3285	grepstart grepwhile mapstart mapwhile
		3286	sort time
		3287	));
2171		3288
2172	# here we export the classes and methods available to script code	3289	# here we export the classes and methods available to script code
2173		3290
2174	=pod	3291	=pod
2175		3292
2176	The following functions and methods are available within a safe environment:	3293	The following functions and methods are available within a safe environment:
2177		3294
2178	cf::object contr pay_amount pay_player map	3295	cf::object
		3296	contr pay_amount pay_player map x y force_find force_add destroy
		3297	insert remove name archname title slaying race decrease split
		3298	value
		3299
2179	cf::object::player player	3300	cf::object::player
2180	cf::player peaceful	3301	player
2181	cf::map trigger	3302
		3303	cf::player
		3304	peaceful
		3305
		3306	cf::map
		3307	trigger
2182		3308
2183	=cut	3309	=cut
2184		3310
2185	for (	3311	for (
2186	["cf::object" => qw(contr pay_amount pay_player map)],	3312	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3313	insert remove inv nrof name archname title slaying race
		3314	decrease split destroy change_exp value msg lore send_msg)],
2187	["cf::object::player" => qw(player)],	3315	["cf::object::player" => qw(player)],
2188	["cf::player" => qw(peaceful)],	3316	["cf::player" => qw(peaceful send_msg)],
2189	["cf::map" => qw(trigger)],	3317	["cf::map" => qw(trigger)],
2190	) {	3318	) {
2191	no strict 'refs';
2192	my ($pkg, @funs) = @$_;	3319	my ($pkg, @funs) = @$_;
2193	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3320	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2194	for @funs;	3321	for @funs;
2195	}	3322	}
2196		3323
…		…
2211		3338
2212	my $qcode = $code;	3339	my $qcode = $code;
2213	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3340	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2214	$qcode =~ s/\n/\\n/g;	3341	$qcode =~ s/\n/\\n/g;
2215		3342
		3343	%vars = (_dummy => 0) unless %vars;
		3344
		3345	my @res;
2216	local $_;	3346	local $_;
2217	local @safe::cf::_safe_eval_args = values %vars;
2218		3347
2219	my $eval =	3348	my $eval =
2220	"do {\n"	3349	"do {\n"
2221	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3350	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2222	. "#line 0 \"{$qcode}\"\n"	3351	. "#line 0 \"{$qcode}\"\n"
2223	. $code	3352	. $code
2224	. "\n}"	3353	. "\n}"
2225	;	3354	;
2226		3355
		3356	if ($CFG{safe_eval}) {
2227	sub_generation_inc;	3357	sub_generation_inc;
		3358	local @safe::cf::_safe_eval_args = values %vars;
2228	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3359	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2229	sub_generation_inc;	3360	sub_generation_inc;
		3361	} else {
		3362	local @cf::_safe_eval_args = values %vars;
		3363	@res = wantarray ? eval eval : scalar eval $eval;
		3364	}
2230		3365
2231	if ($@) {	3366	if ($@) {
2232	warn "$@";	3367	warn "$@",
2233	warn "while executing safe code '$code'\n";	3368	"while executing safe code '$code'\n",
2234	warn "with arguments " . (join " ", %vars) . "\n";	3369	"with arguments " . (join " ", %vars) . "\n";
2235	}	3370	}
2236		3371
2237	wantarray ? @res : $res[0]	3372	wantarray ? @res : $res[0]
2238	}	3373	}
2239		3374
…		…
2253	=cut	3388	=cut
2254		3389
2255	sub register_script_function {	3390	sub register_script_function {
2256	my ($fun, $cb) = @_;	3391	my ($fun, $cb) = @_;
2257		3392
2258	no strict 'refs';	3393	$fun = "safe::$fun" if $CFG{safe_eval};
2259	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3394	*$fun = $safe_hole->wrap ($cb);
2260	}	3395	}
2261		3396
2262	=back	3397	=back
2263		3398
2264	=cut	3399	=cut
2265
2266	#############################################################################
2267
2268	=head2 EXTENSION DATABASE SUPPORT
2269
2270	Crossfire maintains a very simple database for extension use. It can
2271	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2272	convert to/from binary).
2273
2274	The parameter C<$family> should best start with the name of the extension
2275	using it, it should be unique.
2276
2277	=over 4
2278
2279	=item $value = cf::db_get $family => $key
2280
2281	Returns a single value from the database.
2282
2283	=item cf::db_put $family => $key => $value
2284
2285	Stores the given C<$value> in the family.
2286
2287	=cut
2288
2289	our $DB;
2290
2291	sub db_init {
2292	unless ($DB) {
2293	$DB = BDB::db_create $DB_ENV;
2294
2295	cf::sync_job {
2296	eval {
2297	$DB->set_flags (BDB::CHKSUM);
2298
2299	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2300	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2301	cf::cleanup "db_open(db): $!" if $!;
2302	};
2303	cf::cleanup "db_open(db): $@" if $@;
2304	};
2305	}
2306	}
2307
2308	sub db_get($$) {
2309	my $key = "$_[0]/$_[1]";
2310
2311	cf::sync_job {
2312	BDB::db_get $DB, undef, $key, my $data;
2313
2314	$! ? ()
2315	: $data
2316	}
2317	}
2318
2319	sub db_put($$$) {
2320	BDB::dbreq_pri 4;
2321	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2322	}
2323
2324	=item cf::cache $id => [$paths...], $processversion => $process
2325
2326	Generic caching function that returns the value of the resource $id,
2327	caching and regenerating as required.
2328
2329	This function can block.
2330
2331	=cut
2332
2333	sub cache {
2334	my ($id, $src, $processversion, $process) = @_;
2335
2336	my $meta =
2337	join "\x00",
2338	$processversion,
2339	map {
2340	aio_stat $_
2341	and Carp::croak "$_: $!";
2342
2343	($_, (stat _)[7,9])
2344	} @$src;
2345
2346	my $dbmeta = db_get cache => "$id/meta";
2347	if ($dbmeta ne $meta) {
2348	# changed, we may need to process
2349
2350	my @data;
2351	my $md5;
2352
2353	for (0 .. $#$src) {
2354	0 <= aio_load $src->[$_], $data[$_]
2355	or Carp::croak "$src->[$_]: $!";
2356	}
2357
2358	# if processing is expensive, check
2359	# checksum first
2360	if (1) {
2361	$md5 =
2362	join "\x00",
2363	$processversion,
2364	map {
2365	Coro::cede;
2366	($src->[$_], Digest::MD5::md5_hex $data[$_])
2367	} 0.. $#$src;
2368
2369
2370	my $dbmd5 = db_get cache => "$id/md5";
2371	if ($dbmd5 eq $md5) {
2372	db_put cache => "$id/meta", $meta;
2373
2374	return db_get cache => "$id/data";
2375	}
2376	}
2377
2378	my $data = $process->(\@data);
2379
2380	db_put cache => "$id/data", $data;
2381	db_put cache => "$id/md5" , $md5;
2382	db_put cache => "$id/meta", $meta;
2383
2384	return $data;
2385	}
2386
2387	db_get cache => "$id/data"
2388	}
2389
2390	=item fork_call { }, $args
2391
2392	Executes the given code block with the given arguments in a seperate
2393	process, returning the results. Everything must be serialisable with
2394	Coro::Storable. May, of course, block. Note that the executed sub may
2395	never block itself or use any form of Event handling.
2396
2397	=cut
2398
2399	sub fork_call(&@) {
2400	my ($cb, @args) = @_;
2401
2402	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2403	# or die "socketpair: $!";
2404	pipe my $fh1, my $fh2
2405	or die "pipe: $!";
2406
2407	if (my $pid = fork) {
2408	close $fh2;
2409
2410	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2411	$res = Coro::Storable::thaw $res;
2412
2413	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2414
2415	die $$res unless "ARRAY" eq ref $res;
2416
2417	return wantarray ? @$res : $res->[-1];
2418	} else {
2419	eval {
2420	local $SIG{__DIE__};
2421	local $SIG{__WARN__};
2422	close $fh1;
2423
2424	my @res = eval { $cb->(@args) };
2425	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2426	};
2427
2428	_exit 0;
2429	}
2430	}
2431
2432
2433		3400
2434	#############################################################################	3401	#############################################################################
2435	# the server's init and main functions	3402	# the server's init and main functions
2436		3403
2437	sub load_facedata($) {	3404	sub load_facedata($) {
2438	my ($path) = @_;	3405	my ($path) = @_;
2439		3406
		3407	# HACK to clear player env face cache, we need some signal framework
		3408	# for this (global event?)
		3409	%ext::player_env::MUSIC_FACE_CACHE = ();
		3410
		3411	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3412
2440	warn "loading facedata from $path\n";	3413	trace "loading facedata from $path\n";
2441		3414
2442	my $facedata;
2443	0 < aio_load $path, $facedata	3415	0 < aio_load $path, my $facedata
2444	or die "$path: $!";	3416	or die "$path: $!";
2445		3417
2446	$facedata = Coro::Storable::thaw $facedata;	3418	$facedata = Coro::Storable::thaw $facedata;
2447		3419
2448	$facedata->{version} == 2	3420	$facedata->{version} == 2
2449	or cf::cleanup "$path: version mismatch, cannot proceed.";	3421	or cf::cleanup "$path: version mismatch, cannot proceed.";
2450		3422
		3423	# patch in the exptable
		3424	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3425	$facedata->{resource}{"res/exp_table"} = {
		3426	type => FT_RSRC,
		3427	data => $exp_table,
		3428	hash => (Digest::MD5::md5 $exp_table),
		3429	};
		3430	cf::cede_to_tick;
		3431
2451	{	3432	{
2452	my $faces = $facedata->{faceinfo};	3433	my $faces = $facedata->{faceinfo};
2453		3434
2454	while (my ($face, $info) = each %$faces) {	3435	while (my ($face, $info) = each %$faces) {
2455	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3436	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3437
2456	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3438	cf::face::set_visibility $idx, $info->{visibility};
		3439	cf::face::set_magicmap $idx, $info->{magicmap};
2457	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3440	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2458	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3441	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2459	Coro::cede;	3442
		3443	cf::cede_to_tick;
2460	}	3444	}
2461		3445
2462	while (my ($face, $info) = each %$faces) {	3446	while (my ($face, $info) = each %$faces) {
2463	next unless $info->{smooth};	3447	next unless $info->{smooth};
		3448
2464	my $idx = cf::face::find $face	3449	my $idx = cf::face::find $face
2465	or next;	3450	or next;
		3451
2466	if (my $smooth = cf::face::find $info->{smooth}) {	3452	if (my $smooth = cf::face::find $info->{smooth}) {
		3453	cf::face::set_smooth $idx, $smooth;
2467	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3454	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2468	} else {	3455	} else {
2469	warn "smooth face '$info->{smooth}' not found for face '$face'";	3456	error "smooth face '$info->{smooth}' not found for face '$face'";
2470	}	3457	}
2471	Coro::cede;	3458
		3459	cf::cede_to_tick;
2472	}	3460	}
2473	}	3461	}
2474		3462
2475	{	3463	{
2476	my $anims = $facedata->{animinfo};	3464	my $anims = $facedata->{animinfo};
2477		3465
2478	while (my ($anim, $info) = each %$anims) {	3466	while (my ($anim, $info) = each %$anims) {
2479	cf::anim::set $anim, $info->{frames}, $info->{facings};	3467	cf::anim::set $anim, $info->{frames}, $info->{facings};
2480	Coro::cede;	3468	cf::cede_to_tick;
2481	}	3469	}
2482		3470
2483	cf::anim::invalidate_all; # d'oh	3471	cf::anim::invalidate_all; # d'oh
2484	}	3472	}
2485		3473
		3474	{
		3475	my $res = $facedata->{resource};
		3476
		3477	while (my ($name, $info) = each %$res) {
		3478	if (defined $info->{type}) {
		3479	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3480
		3481	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3482	cf::face::set_type $idx, $info->{type};
		3483	} else {
		3484	$RESOURCE{$name} = $info; # unused
		3485	}
		3486
		3487	cf::cede_to_tick;
		3488	}
		3489	}
		3490
		3491	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3492
2486	1	3493	1
2487	}	3494	}
2488		3495
		3496	register_exticmd fx_want => sub {
		3497	my ($ns, $want) = @_;
		3498
		3499	while (my ($k, $v) = each %$want) {
		3500	$ns->fx_want ($k, $v);
		3501	}
		3502	};
		3503
		3504	sub load_resource_file($) {
		3505	my $guard = lock_acquire "load_resource_file";
		3506
		3507	my $status = load_resource_file_ $_[0];
		3508	get_slot 0.1, 100;
		3509	cf::arch::commit_load;
		3510
		3511	$status
		3512	}
		3513
		3514	sub reload_regions {
		3515	# HACK to clear player env face cache, we need some signal framework
		3516	# for this (global event?)
		3517	%ext::player_env::MUSIC_FACE_CACHE = ();
		3518
		3519	load_resource_file "$MAPDIR/regions"
		3520	or die "unable to load regions file\n";
		3521
		3522	for (cf::region::list) {
		3523	$_->{match} = qr/$_->{match}/
		3524	if exists $_->{match};
		3525	}
		3526	}
		3527
2489	sub reload_facedata {	3528	sub reload_facedata {
2490	load_facedata sprintf "%s/facedata", cf::datadir	3529	load_facedata "$DATADIR/facedata"
2491	or die "unable to load facedata\n";	3530	or die "unable to load facedata\n";
2492	}	3531	}
2493		3532
2494	sub reload_regions {
2495	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2496	or die "unable to load regions file\n";
2497	}
2498
2499	sub reload_archetypes {	3533	sub reload_archetypes {
2500	load_resource_file sprintf "%s/archetypes", cf::datadir	3534	load_resource_file "$DATADIR/archetypes"
2501	or die "unable to load archetypes\n";	3535	or die "unable to load archetypes\n";
2502	}	3536	}
2503		3537
2504	sub reload_treasures {	3538	sub reload_treasures {
2505	load_resource_file sprintf "%s/treasures", cf::datadir	3539	load_resource_file "$DATADIR/treasures"
2506	or die "unable to load treasurelists\n";	3540	or die "unable to load treasurelists\n";
2507	}	3541	}
2508		3542
		3543	sub reload_sound {
		3544	trace "loading sound config from $DATADIR/sound\n";
		3545
		3546	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3547	or die "$DATADIR/sound $!";
		3548
		3549	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3550
		3551	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3552	my $sound = $soundconf->{compat}[$_]
		3553	or next;
		3554
		3555	my $face = cf::face::find "sound/$sound->[1]";
		3556	cf::sound::set $sound->[0] => $face;
		3557	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3558	}
		3559
		3560	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3561	my $face = cf::face::find "sound/$v";
		3562	cf::sound::set $k => $face;
		3563	}
		3564	}
		3565
2509	sub reload_resources {	3566	sub reload_resources {
2510	warn "reloading resource files...\n";	3567	trace "reloading resource files...\n";
2511		3568
		3569	reload_exp_table;
		3570	reload_materials;
		3571	reload_facedata;
		3572	reload_sound;
		3573	reload_archetypes;
2512	reload_regions;	3574	reload_regions;
2513	reload_facedata;
2514	reload_archetypes;
2515	reload_treasures;	3575	reload_treasures;
2516		3576
2517	warn "finished reloading resource files\n";	3577	trace "finished reloading resource files\n";
2518	}	3578	}
2519		3579
2520	sub init {	3580	sub reload_config {
2521	reload_resources;	3581	trace "reloading config file...\n";
2522	}
2523		3582
2524	sub cfg_load {	3583	0 < aio_load "$CONFDIR/config", my $config
2525	open my $fh, "<:utf8", cf::confdir . "/config"	3584	or die "$CONFDIR/config: $!";
2526	or return;
2527		3585
2528	local $/;	3586	utf8::decode $config;
2529	*CFG = YAML::Syck::Load <$fh>;	3587	*CFG = yaml_load $config;
2530		3588
2531	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3589	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2532		3590
2533	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3591	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2534	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3592	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2535		3593
2536	if (exists $CFG{mlockall}) {	3594	if (exists $CFG{mlockall}) {
…		…
2540	};	3598	};
2541	warn $@ if $@;	3599	warn $@ if $@;
2542	}	3600	}
2543	}	3601	}
2544		3602
		3603	sub pidfile() {
		3604	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3605	or die "$PIDFILE: $!";
		3606	flock $fh, &Fcntl::LOCK_EX
		3607	or die "$PIDFILE: flock: $!";
		3608	$fh
		3609	}
		3610
		3611	# make sure only one server instance is running at any one time
		3612	sub atomic {
		3613	my $fh = pidfile;
		3614
		3615	my $pid = <$fh>;
		3616	kill 9, $pid if $pid > 0;
		3617
		3618	seek $fh, 0, 0;
		3619	print $fh $$;
		3620	}
		3621
		3622	sub main_loop {
		3623	trace "EV::loop starting\n";
		3624	if (1) {
		3625	EV::loop;
		3626	}
		3627	trace "EV::loop returned\n";
		3628	goto &main_loop unless $REALLY_UNLOOP;
		3629	}
		3630
2545	sub main {	3631	sub main {
		3632	cf::init_globals; # initialise logging
		3633
		3634	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3635	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3636	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3637	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3638
		3639	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3640
2546	# we must not ever block the main coroutine	3641	# we must not ever block the main coroutine
2547	local $Coro::idle = sub {	3642	local $Coro::idle = sub {
2548	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3643	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2549	(async {	3644	(async {
2550	Event::one_event;	3645	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3646	EV::loop EV::LOOP_ONESHOT;
2551	})->prio (Coro::PRIO_MAX);	3647	})->prio (Coro::PRIO_MAX);
2552	};	3648	};
2553		3649
2554	cfg_load;	3650	evthread_start IO::AIO::poll_fileno;
		3651
		3652	cf::sync_job {
		3653	cf::incloader::init ();
		3654
		3655	cf::init_anim;
		3656	cf::init_attackmess;
		3657	cf::init_dynamic;
		3658
		3659	cf::load_settings;
		3660
		3661	reload_resources;
		3662	reload_config;
2555	db_init;	3663	db_init;
		3664
		3665	cf::init_uuid;
		3666	cf::init_signals;
		3667	cf::init_skills;
		3668
		3669	cf::init_beforeplay;
		3670
		3671	atomic;
		3672
2556	load_extensions;	3673	load_extensions;
2557		3674
2558	$TICK_WATCHER->start;	3675	utime time, time, $RUNTIMEFILE;
2559	Event::loop;	3676
		3677	# no (long-running) fork's whatsoever before this point(!)
		3678	use POSIX ();
		3679	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3680
		3681	cf::_post_init 0;
		3682	};
		3683
		3684	cf::object::thawer::errors_are_fatal 0;
		3685	info "parse errors in files are no longer fatal from this point on.\n";
		3686
		3687	my $free_main; $free_main = EV::idle sub {
		3688	undef $free_main;
		3689	undef &main; # free gobs of memory :)
		3690	};
		3691
		3692	goto &main_loop;
2560	}	3693	}
2561		3694
2562	#############################################################################	3695	#############################################################################
2563	# initialisation and cleanup	3696	# initialisation and cleanup
2564		3697
2565	# install some emergency cleanup handlers	3698	# install some emergency cleanup handlers
2566	BEGIN {	3699	BEGIN {
		3700	our %SIGWATCHER = ();
2567	for my $signal (qw(INT HUP TERM)) {	3701	for my $signal (qw(INT HUP TERM)) {
2568	Event->signal (	3702	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2569	reentrant => 0,
2570	data => WF_AUTOCANCEL,
2571	signal => $signal,
2572	prio => 0,
2573	cb => sub {
2574	cf::cleanup "SIG$signal";	3703	cf::cleanup "SIG$signal";
2575	},
2576	);	3704	};
		3705	}
		3706	}
		3707
		3708	sub write_runtime_sync {
		3709	my $t0 = AE::time;
		3710
		3711	# first touch the runtime file to show we are still running:
		3712	# the fsync below can take a very very long time.
		3713
		3714	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3715
		3716	my $guard = cf::lock_acquire "write_runtime";
		3717
		3718	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3719	or return;
		3720
		3721	my $value = $cf::RUNTIME + 90 + 10;
		3722	# 10 is the runtime save interval, for a monotonic clock
		3723	# 60 allows for the watchdog to kill the server.
		3724
		3725	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3726	and return;
		3727
		3728	# always fsync - this file is important
		3729	aio_fsync $fh
		3730	and return;
		3731
		3732	# touch it again to show we are up-to-date
		3733	aio_utime $fh, undef, undef;
		3734
		3735	close $fh
		3736	or return;
		3737
		3738	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3739	and return;
		3740
		3741	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3742
2577	}	3743	1
		3744	}
		3745
		3746	our $uuid_lock;
		3747	our $uuid_skip;
		3748
		3749	sub write_uuid_sync($) {
		3750	$uuid_skip ||= $_[0];
		3751
		3752	return if $uuid_lock;
		3753	local $uuid_lock = 1;
		3754
		3755	my $uuid = "$LOCALDIR/uuid";
		3756
		3757	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3758	or return;
		3759
		3760	my $value = uuid_seq uuid_cur;
		3761
		3762	unless ($value) {
		3763	info "cowardly refusing to write zero uuid value!\n";
		3764	return;
		3765	}
		3766
		3767	my $value = uuid_str $value + $uuid_skip;
		3768	$uuid_skip = 0;
		3769
		3770	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3771	and return;
		3772
		3773	# always fsync - this file is important
		3774	aio_fsync $fh
		3775	and return;
		3776
		3777	close $fh
		3778	or return;
		3779
		3780	aio_rename "$uuid~", $uuid
		3781	and return;
		3782
		3783	trace "uuid file written ($value).\n";
		3784
		3785	1
		3786
		3787	}
		3788
		3789	sub write_uuid($$) {
		3790	my ($skip, $sync) = @_;
		3791
		3792	$sync ? write_uuid_sync $skip
		3793	: async { write_uuid_sync $skip };
2578	}	3794	}
2579		3795
2580	sub emergency_save() {	3796	sub emergency_save() {
2581	my $freeze_guard = cf::freeze_mainloop;	3797	my $freeze_guard = cf::freeze_mainloop;
2582		3798
2583	warn "enter emergency perl save\n";	3799	info "emergency_perl_save: enter\n";
		3800
		3801	# this is a trade-off: we want to be very quick here, so
		3802	# save all maps without fsync, and later call a global sync
		3803	# (which in turn might be very very slow)
		3804	local $USE_FSYNC = 0;
2584		3805
2585	cf::sync_job {	3806	cf::sync_job {
		3807	cf::write_runtime_sync; # external watchdog should not bark
		3808
2586	# use a peculiar iteration method to avoid tripping on perl	3809	# use a peculiar iteration method to avoid tripping on perl
2587	# refcount bugs in for. also avoids problems with players	3810	# refcount bugs in for. also avoids problems with players
2588	# and maps saved/destroyed asynchronously.	3811	# and maps saved/destroyed asynchronously.
2589	warn "begin emergency player save\n";	3812	info "emergency_perl_save: begin player save\n";
2590	for my $login (keys %cf::PLAYER) {	3813	for my $login (keys %cf::PLAYER) {
2591	my $pl = $cf::PLAYER{$login} or next;	3814	my $pl = $cf::PLAYER{$login} or next;
2592	$pl->valid or next;	3815	$pl->valid or next;
		3816	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2593	$pl->save;	3817	$pl->save;
2594	}	3818	}
2595	warn "end emergency player save\n";	3819	info "emergency_perl_save: end player save\n";
2596		3820
2597	warn "begin emergency map save\n";	3821	cf::write_runtime_sync; # external watchdog should not bark
		3822
		3823	info "emergency_perl_save: begin map save\n";
2598	for my $path (keys %cf::MAP) {	3824	for my $path (keys %cf::MAP) {
2599	my $map = $cf::MAP{$path} or next;	3825	my $map = $cf::MAP{$path} or next;
2600	$map->valid or next;	3826	$map->valid or next;
2601	$map->save;	3827	$map->save;
2602	}	3828	}
2603	warn "end emergency map save\n";	3829	info "emergency_perl_save: end map save\n";
2604		3830
2605	warn "begin emergency database checkpoint\n";	3831	cf::write_runtime_sync; # external watchdog should not bark
		3832
		3833	info "emergency_perl_save: begin database checkpoint\n";
2606	BDB::db_env_txn_checkpoint $DB_ENV;	3834	BDB::db_env_txn_checkpoint $DB_ENV;
2607	warn "end emergency database checkpoint\n";	3835	info "emergency_perl_save: end database checkpoint\n";
		3836
		3837	info "emergency_perl_save: begin write uuid\n";
		3838	write_uuid_sync 1;
		3839	info "emergency_perl_save: end write uuid\n";
		3840
		3841	cf::write_runtime_sync; # external watchdog should not bark
		3842
		3843	trace "emergency_perl_save: syncing database to disk";
		3844	BDB::db_env_txn_checkpoint $DB_ENV;
		3845
		3846	info "emergency_perl_save: starting sync\n";
		3847	IO::AIO::aio_sync sub {
		3848	info "emergency_perl_save: finished sync\n";
		3849	};
		3850
		3851	cf::write_runtime_sync; # external watchdog should not bark
		3852
		3853	trace "emergency_perl_save: flushing outstanding aio requests";
		3854	while (IO::AIO::nreqs || BDB::nreqs) {
		3855	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3856	}
		3857
		3858	cf::write_runtime_sync; # external watchdog should not bark
2608	};	3859	};
2609		3860
2610	warn "leave emergency perl save\n";	3861	info "emergency_perl_save: leave\n";
2611	}	3862	}
2612		3863
2613	sub post_cleanup {	3864	sub post_cleanup {
2614	my ($make_core) = @_;	3865	my ($make_core) = @_;
2615		3866
		3867	IO::AIO::flush;
		3868
2616	warn Carp::longmess "post_cleanup backtrace"	3869	error Carp::longmess "post_cleanup backtrace"
2617	if $make_core;	3870	if $make_core;
		3871
		3872	my $fh = pidfile;
		3873	unlink $PIDFILE if <$fh> == $$;
		3874	}
		3875
		3876	# a safer delete_package, copied from Symbol
		3877	sub clear_package($) {
		3878	my $pkg = shift;
		3879
		3880	# expand to full symbol table name if needed
		3881	unless ($pkg =~ /^main::.*::$/) {
		3882	$pkg = "main$pkg" if $pkg =~ /^::/;
		3883	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3884	$pkg .= '::' unless $pkg =~ /::$/;
		3885	}
		3886
		3887	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3888	my $stem_symtab = *{$stem}{HASH};
		3889
		3890	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3891	or return;
		3892
		3893	# clear all symbols
		3894	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3895	for my $name (keys %$leaf_symtab) {
		3896	_gv_clear *{"$pkg$name"};
		3897	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3898	}
2618	}	3899	}
2619		3900
2620	sub do_reload_perl() {	3901	sub do_reload_perl() {
2621	# can/must only be called in main	3902	# can/must only be called in main
2622	if ($Coro::current != $Coro::main) {	3903	unless (in_main) {
2623	warn "can only reload from main coroutine";	3904	error "can only reload from main coroutine";
2624	return;	3905	return;
2625	}	3906	}
2626		3907
2627	warn "reloading...";	3908	return if $RELOAD++;
2628		3909
2629	warn "entering sync_job";	3910	my $t1 = AE::time;
2630		3911
		3912	while ($RELOAD) {
		3913	cf::get_slot 0.1, -1, "reload_perl";
		3914	info "perl_reload: reloading...";
		3915
		3916	trace "perl_reload: entering sync_job";
		3917
2631	cf::sync_job {	3918	cf::sync_job {
2632	cf::write_runtime; # external watchdog should not bark
2633	cf::emergency_save;	3919	#cf::emergency_save;
2634	cf::write_runtime; # external watchdog should not bark
2635		3920
2636	warn "syncing database to disk";
2637	BDB::db_env_txn_checkpoint $DB_ENV;
2638
2639	# if anything goes wrong in here, we should simply crash as we already saved
2640
2641	warn "cancelling all WF_AUTOCANCEL watchers";
2642	for (Event::all_watchers) {
2643	$_->cancel if $_->data & WF_AUTOCANCEL;
2644	}
2645
2646	warn "flushing outstanding aio requests";
2647	for (;;) {
2648	BDB::flush;
2649	IO::AIO::flush;
2650	Coro::cede;
2651	last unless IO::AIO::nreqs || BDB::nreqs;
2652	warn "iterate...";
2653	}
2654
2655	++$RELOAD;
2656
2657	warn "cancelling all extension coros";	3921	trace "perl_reload: cancelling all extension coros";
2658	$_->cancel for values %EXT_CORO;	3922	$_->cancel for values %EXT_CORO;
2659	%EXT_CORO = ();	3923	%EXT_CORO = ();
2660		3924
2661	warn "removing commands";	3925	trace "perl_reload: removing commands";
2662	%COMMAND = ();	3926	%COMMAND = ();
2663		3927
2664	warn "removing ext commands";	3928	trace "perl_reload: removing ext/exti commands";
2665	%EXTCMD = ();	3929	%EXTCMD = ();
		3930	%EXTICMD = ();
2666		3931
2667	warn "unloading/nuking all extensions";	3932	trace "perl_reload: unloading/nuking all extensions";
2668	for my $pkg (@EXTS) {	3933	for my $pkg (@EXTS) {
2669	warn "... unloading $pkg";	3934	trace "... unloading $pkg";
2670		3935
2671	if (my $cb = $pkg->can ("unload")) {	3936	if (my $cb = $pkg->can ("unload")) {
2672	eval {	3937	eval {
2673	$cb->($pkg);	3938	$cb->($pkg);
2674	1	3939	1
2675	} or warn "$pkg unloaded, but with errors: $@";	3940	} or error "$pkg unloaded, but with errors: $@";
		3941	}
		3942
		3943	trace "... clearing $pkg";
		3944	clear_package $pkg;
2676	}	3945	}
2677		3946
2678	warn "... nuking $pkg";
2679	Symbol::delete_package $pkg;
2680	}
2681
2682	warn "unloading all perl modules loaded from $LIBDIR";	3947	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2683	while (my ($k, $v) = each %INC) {	3948	while (my ($k, $v) = each %INC) {
2684	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3949	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2685		3950
2686	warn "... unloading $k";	3951	trace "... unloading $k";
2687	delete $INC{$k};	3952	delete $INC{$k};
2688		3953
2689	$k =~ s/\.pm$//;	3954	$k =~ s/\.pm$//;
2690	$k =~ s/\//::/g;	3955	$k =~ s/\//::/g;
2691		3956
2692	if (my $cb = $k->can ("unload_module")) {	3957	if (my $cb = $k->can ("unload_module")) {
2693	$cb->();	3958	$cb->();
		3959	}
		3960
		3961	clear_package $k;
2694	}	3962	}
2695		3963
2696	Symbol::delete_package $k;
2697	}
2698
2699	warn "getting rid of safe::, as good as possible";	3964	trace "perl_reload: getting rid of safe::, as good as possible";
2700	Symbol::delete_package "safe::$_"	3965	clear_package "safe::$_"
2701	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3966	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2702		3967
2703	warn "unloading cf.pm \"a bit\"";	3968	trace "perl_reload: unloading cf.pm \"a bit\"";
2704	delete $INC{"cf.pm"};	3969	delete $INC{"cf.pm"};
		3970	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2705		3971
2706	# don't, removes xs symbols, too,	3972	# don't, removes xs symbols, too,
2707	# and global variables created in xs	3973	# and global variables created in xs
2708	#Symbol::delete_package __PACKAGE__;	3974	#clear_package __PACKAGE__;
2709		3975
2710	warn "unload completed, starting to reload now";	3976	info "perl_reload: unload completed, starting to reload now";
2711		3977
2712	warn "reloading cf.pm";	3978	trace "perl_reload: reloading cf.pm";
2713	require cf;	3979	require cf;
2714	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3980	cf::_connect_to_perl_1;
2715		3981
2716	warn "loading config and database again";	3982	trace "perl_reload: loading config and database again";
2717	cf::cfg_load;	3983	cf::reload_config;
2718		3984
2719	warn "loading extensions";	3985	trace "perl_reload: loading extensions";
2720	cf::load_extensions;	3986	cf::load_extensions;
2721		3987
		3988	if ($REATTACH_ON_RELOAD) {
2722	warn "reattaching attachments to objects/players";	3989	trace "perl_reload: reattaching attachments to objects/players";
2723	_global_reattach; # objects, sockets	3990	_global_reattach; # objects, sockets
2724	warn "reattaching attachments to maps";	3991	trace "perl_reload: reattaching attachments to maps";
2725	reattach $_ for values %MAP;	3992	reattach $_ for values %MAP;
2726	warn "reattaching attachments to players";	3993	trace "perl_reload: reattaching attachments to players";
2727	reattach $_ for values %PLAYER;	3994	reattach $_ for values %PLAYER;
		3995	}
2728		3996
2729	warn "leaving sync_job";	3997	cf::_post_init 1;
2730		3998
		3999	trace "perl_reload: leaving sync_job";
		4000
2731	1	4001	1
2732	} or do {	4002	} or do {
2733	warn $@;	4003	error $@;
2734	warn "error while reloading, exiting.";	4004	cf::cleanup "perl_reload: error, exiting.";
2735	exit 1;	4005	};
		4006
		4007	--$RELOAD;
2736	};	4008	}
2737		4009
2738	warn "reloaded";	4010	$t1 = AE::time - $t1;
		4011	info "perl_reload: completed in ${t1}s\n";
2739	};	4012	};
2740		4013
2741	our $RELOAD_WATCHER; # used only during reload	4014	our $RELOAD_WATCHER; # used only during reload
2742		4015
2743	sub reload_perl() {	4016	sub reload_perl() {
2744	# doing reload synchronously and two reloads happen back-to-back,	4017	# doing reload synchronously and two reloads happen back-to-back,
2745	# coro crashes during coro_state_free->destroy here.	4018	# coro crashes during coro_state_free->destroy here.
2746		4019
2747	$RELOAD_WATCHER ||= Event->timer (	4020	$RELOAD_WATCHER ||= cf::async {
2748	reentrant => 0,	4021	Coro::AIO::aio_wait cache_extensions;
2749	after => 0,	4022
2750	data => WF_AUTOCANCEL,	4023	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2751	cb => sub {
2752	do_reload_perl;	4024	do_reload_perl;
2753	undef $RELOAD_WATCHER;	4025	undef $RELOAD_WATCHER;
2754	},	4026	};
2755	);	4027	};
2756	}	4028	}
2757		4029
2758	register_command "reload" => sub {	4030	register_command "reload" => sub {
2759	my ($who, $arg) = @_;	4031	my ($who, $arg) = @_;
2760		4032
2761	if ($who->flag (FLAG_WIZ)) {	4033	if ($who->flag (FLAG_WIZ)) {
2762	$who->message ("reloading server.");	4034	$who->message ("reloading server.");
		4035	async {
		4036	$Coro::current->{desc} = "perl_reload";
2763	async { reload_perl };	4037	reload_perl;
		4038	};
2764	}	4039	}
2765	};	4040	};
2766		4041
2767	unshift @INC, $LIBDIR;	4042	#############################################################################
2768		4043
2769	my $bug_warning = 0;	4044	my $bug_warning = 0;
2770		4045
2771	our @WAIT_FOR_TICK;	4046	our @WAIT_FOR_TICK;
2772	our @WAIT_FOR_TICK_BEGIN;	4047	our @WAIT_FOR_TICK_BEGIN;
2773		4048
2774	sub wait_for_tick {	4049	sub wait_for_tick() {
2775	return unless $TICK_WATCHER->is_active;
2776	return if $Coro::current == $Coro::main;	4050	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2777		4051
2778	my $signal = new Coro::Signal;	4052	my $signal = new Coro::Signal;
2779	push @WAIT_FOR_TICK, $signal;	4053	push @WAIT_FOR_TICK, $signal;
2780	$signal->wait;	4054	$signal->wait;
2781	}	4055	}
2782		4056
2783	sub wait_for_tick_begin {	4057	sub wait_for_tick_begin() {
2784	return unless $TICK_WATCHER->is_active;
2785	return if $Coro::current == $Coro::main;	4058	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2786		4059
2787	my $signal = new Coro::Signal;	4060	my $signal = new Coro::Signal;
2788	push @WAIT_FOR_TICK_BEGIN, $signal;	4061	push @WAIT_FOR_TICK_BEGIN, $signal;
2789	$signal->wait;	4062	$signal->wait;
2790	}	4063	}
2791		4064
2792	$TICK_WATCHER = Event->timer (	4065	sub tick {
2793	reentrant => 0,
2794	parked => 1,
2795	prio => 0,
2796	at => $NEXT_TICK || $TICK,
2797	data => WF_AUTOCANCEL,
2798	cb => sub {
2799	if ($Coro::current != $Coro::main) {	4066	if ($Coro::current != $Coro::main) {
2800	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4067	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2801	unless ++$bug_warning > 10;	4068	unless ++$bug_warning > 10;
2802	return;	4069	return;
2803	}	4070	}
2804		4071
2805	$NOW = Event::time;
2806
2807	cf::server_tick; # one server iteration	4072	cf::server_tick; # one server iteration
2808		4073
2809	$RUNTIME += $TICK;	4074	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2810	$NEXT_TICK += $TICK;
2811		4075
2812	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4076	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2813	$NEXT_RUNTIME_WRITE = $NOW + 10;	4077	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2814	Coro::async_pool {	4078	Coro::async_pool {
		4079	$Coro::current->{desc} = "runtime saver";
2815	write_runtime	4080	write_runtime_sync
2816	or warn "ERROR: unable to write runtime file: $!";	4081	or error "ERROR: unable to write runtime file: $!";
2817	};
2818	}	4082	};
		4083	}
2819		4084
2820	# my $AFTER = Event::time;
2821	# warn $AFTER - $NOW;#d#
2822
2823	# if we are delayed by four ticks or more, skip them all
2824	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2825
2826	$TICK_WATCHER->at ($NEXT_TICK);
2827	$TICK_WATCHER->start;
2828
2829	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4085	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2830	$sig->send;	4086	$sig->send;
2831	}	4087	}
2832	while (my $sig = shift @WAIT_FOR_TICK) {	4088	while (my $sig = shift @WAIT_FOR_TICK) {
2833	$sig->send;	4089	$sig->send;
2834	}
2835
2836	_post_tick;
2837	},	4090	}
2838	);	4091
		4092	$LOAD = ($NOW - $TICK_START) / $TICK;
		4093	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4094
		4095	if (0) {
		4096	if ($NEXT_TICK) {
		4097	my $jitter = $TICK_START - $NEXT_TICK;
		4098	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4099	debug "jitter $JITTER\n";#d#
		4100	}
		4101	}
		4102	}
2839		4103
2840	{	4104	{
2841	BDB::max_poll_time $TICK * 0.1;	4105	# configure BDB
2842	$BDB_POLL_WATCHER = Event->io (	4106
2843	reentrant => 0,
2844	fd => BDB::poll_fileno,
2845	poll => 'r',
2846	prio => 0,
2847	data => WF_AUTOCANCEL,
2848	cb => \&BDB::poll_cb,
2849	);
2850	BDB::min_parallel 8;	4107	BDB::min_parallel 16;
2851		4108	BDB::max_poll_reqs $TICK * 0.1;
2852	BDB::set_sync_prepare {	4109	$AnyEvent::BDB::WATCHER->priority (1);
2853	my $status;
2854	my $current = $Coro::current;
2855	(
2856	sub {
2857	$status = $!;
2858	$current->ready; undef $current;
2859	},
2860	sub {
2861	Coro::schedule while defined $current;
2862	$! = $status;
2863	},
2864	)
2865	};
2866		4110
2867	unless ($DB_ENV) {	4111	unless ($DB_ENV) {
2868	$DB_ENV = BDB::db_env_create;	4112	$DB_ENV = BDB::db_env_create;
		4113	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4114	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4115	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4116	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4117	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2869		4118
2870	cf::sync_job {	4119	cf::sync_job {
2871	eval {	4120	eval {
2872	BDB::db_env_open	4121	BDB::db_env_open
2873	$DB_ENV,	4122	$DB_ENV,
2874	$BDB_ENV_DIR,	4123	$BDBDIR,
2875	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4124	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2876	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4125	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2877	0666;	4126	0666;
2878		4127
2879	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4128	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2880
2881	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2882	$DB_ENV->set_lk_detect;
2883	};	4129	};
2884		4130
2885	cf::cleanup "db_env_open(db): $@" if $@;	4131	cf::cleanup "db_env_open(db): $@" if $@;
2886	};	4132	};
2887	}	4133	}
		4134
		4135	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4136	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4137	};
		4138	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4139	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4140	};
		4141	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4142	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4143	};
2888	}	4144	}
2889		4145
2890	{	4146	{
		4147	# configure IO::AIO
		4148
2891	IO::AIO::min_parallel 8;	4149	IO::AIO::min_parallel 8;
2892
2893	undef $Coro::AIO::WATCHER;
2894	IO::AIO::max_poll_time $TICK * 0.1;	4150	IO::AIO::max_poll_time $TICK * 0.1;
2895	$AIO_POLL_WATCHER = Event->io (	4151	undef $AnyEvent::AIO::WATCHER;
2896	reentrant => 0,	4152	}
2897	data => WF_AUTOCANCEL,	4153
2898	fd => IO::AIO::poll_fileno,	4154	our $_log_backtrace;
2899	poll => 'r',	4155	our $_log_backtrace_last;
2900	prio => 6,	4156
2901	cb => \&IO::AIO::poll_cb,	4157	sub _log_backtrace {
2902	);	4158	my ($msg, @addr) = @_;
		4159
		4160	$msg =~ s/\n$//;
		4161
		4162	if ($_log_backtrace_last eq $msg) {
		4163	LOG llevInfo, "[ABT] $msg\n";
		4164	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4165	# limit the # of concurrent backtraces
		4166	} elsif ($_log_backtrace < 2) {
		4167	$_log_backtrace_last = $msg;
		4168	++$_log_backtrace;
		4169	my $perl_bt = Carp::longmess $msg;
		4170	async {
		4171	$Coro::current->{desc} = "abt $msg";
		4172
		4173	my @bt = fork_call {
		4174	@addr = map { sprintf "%x", $_ } @addr;
		4175	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4176	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4177	or die "addr2line: $!";
		4178
		4179	my @funcs;
		4180	my @res = <$fh>;
		4181	chomp for @res;
		4182	while (@res) {
		4183	my ($func, $line) = splice @res, 0, 2, ();
		4184	push @funcs, "[$func] $line";
		4185	}
		4186
		4187	@funcs
		4188	};
		4189
		4190	LOG llevInfo, "[ABT] $perl_bt\n";
		4191	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4192	LOG llevInfo, "[ABT] $_\n" for @bt;
		4193	--$_log_backtrace;
		4194	};
		4195	} else {
		4196	LOG llevInfo, "[ABT] $msg\n";
		4197	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4198	}
2903	}	4199	}
2904		4200
2905	# load additional modules	4201	# load additional modules
2906	use cf::pod;	4202	require "cf/$_.pm" for @EXTRA_MODULES;
		4203	cf::_connect_to_perl_2;
2907		4204
2908	END { cf::emergency_save }	4205	END { cf::emergency_save }
2909		4206
2910	1	4207	1
2911		4208

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