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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 1.558 by root, Tue Oct 5 22:35:30 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) = @_;
1215	# mit "rum" bekleckern, nicht	1863
		1864	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1865
1216	$self->_create_random_map (	1866	$self->_create_random_map ($rmp);
1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1220	$rmp->{exit_on_final_map},
1221	$rmp->{xsize}, $rmp->{ysize},
1222	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1223	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1224	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1225	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1226	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1227	(cf::region::find $rmp->{region}), $rmp->{custom}
1228	)
1229	}	1867	}
1230		1868
1231	=item cf::map->register ($regex, $prio)	1869	=item cf::map->register ($regex, $prio)
1232		1870
1233	Register a handler for the map path matching the given regex at the	1871	Register a handler for the map path matching the given regex at the
…		…
1238		1876
1239	sub register {	1877	sub register {
1240	my (undef, $regex, $prio) = @_;	1878	my (undef, $regex, $prio) = @_;
1241	my $pkg = caller;	1879	my $pkg = caller;
1242		1880
1243	no strict;
1244	push @{"$pkg\::ISA"}, __PACKAGE__;	1881	push @{"$pkg\::ISA"}, __PACKAGE__;
1245		1882
1246	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1883	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1247	}	1884	}
1248		1885
1249	# also paths starting with '/'	1886	# also paths starting with '/'
1250	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1887	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1251		1888
1252	sub thawer_merge {	1889	sub thawer_merge {
1253	my ($self, $merge) = @_;	1890	my ($self, $merge) = @_;
1254		1891
1255	# we have to keep some variables in memory intact	1892	# we have to keep some variables in memory intact
1256	local $self->{path};	1893	local $self->{path};
1257	local $self->{load_path};	1894	local $self->{load_path};
1258	local $self->{deny_save};
1259	local $self->{deny_reset};
1260		1895
1261	$self->SUPER::thawer_merge ($merge);	1896	$self->SUPER::thawer_merge ($merge);
1262	}	1897	}
1263		1898
1264	sub normalise {	1899	sub normalise {
1265	my ($path, $base) = @_;	1900	my ($path, $base) = @_;
1266		1901
1267	$path = "$path"; # make sure its a string	1902	$path = "$path"; # make sure it's a string
1268		1903
1269	$path =~ s/\.map$//;	1904	$path =~ s/\.map$//;
1270		1905
1271	# map plan:	1906	# map plan:
1272	#	1907	#
…		…
1287	$base =~ s{[^/]+/?$}{};	1922	$base =~ s{[^/]+/?$}{};
1288	$path = "$base/$path";	1923	$path = "$base/$path";
1289	}	1924	}
1290		1925
1291	for ($path) {	1926	for ($path) {
1292	redo if s{//}{/};
1293	redo if s{/\.?/}{/};	1927	redo if s{/\.?/}{/};
1294	redo if s{/[^/]+/\.\./}{/};	1928	redo if s{/[^/]+/\.\./}{/};
1295	}	1929	}
1296		1930
1297	$path	1931	$path
…		…
1311	$self->init; # pass $1 etc.	1945	$self->init; # pass $1 etc.
1312	return $self;	1946	return $self;
1313	}	1947	}
1314	}	1948	}
1315		1949
1316	Carp::carp "unable to resolve path '$path' (base '$base').";	1950	Carp::cluck "unable to resolve path '$path' (base '$base')";
1317	()	1951	()
1318	}	1952	}
1319		1953
1320	sub init {	1954	sub init {
1321	my ($self) = @_;	1955	my ($self) = @_;
…		…
1336		1970
1337	# the original (read-only) location	1971	# the original (read-only) location
1338	sub load_path {	1972	sub load_path {
1339	my ($self) = @_;	1973	my ($self) = @_;
1340		1974
1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1975	"$MAPDIR/$self->{path}.map"
1342	}	1976	}
1343		1977
1344	# the temporary/swap location	1978	# the temporary/swap location
1345	sub save_path {	1979	sub save_path {
1346	my ($self) = @_;	1980	my ($self) = @_;
1347		1981
1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1982	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1983	"$TMPDIR/$path.map"
1350	}	1984	}
1351		1985
1352	# the unique path, undef == no special unique path	1986	# the unique path, undef == no special unique path
1353	sub uniq_path {	1987	sub uniq_path {
1354	my ($self) = @_;	1988	my ($self) = @_;
1355		1989
1356	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1990	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1357	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1991	"$UNIQUEDIR/$path"
1358	}	1992	}
1359		1993
1360	# and all this just because we cannot iterate over	1994	sub decay_objects {
1361	# all maps in C++...
1362	sub change_all_map_light {
1363	my ($change) = @_;	1995	my ($self) = @_;
1364		1996
1365	$_->change_map_light ($change)	1997	return if $self->{deny_reset};
1366	for grep $_->outdoor, values %cf::MAP;	1998
		1999	$self->do_decay_objects;
1367	}	2000	}
1368		2001
1369	sub unlink_save {	2002	sub unlink_save {
1370	my ($self) = @_;	2003	my ($self) = @_;
1371		2004
…		…
1376		2009
1377	sub load_header_from($) {	2010	sub load_header_from($) {
1378	my ($self, $path) = @_;	2011	my ($self, $path) = @_;
1379		2012
1380	utf8::encode $path;	2013	utf8::encode $path;
1381	#aio_open $path, O_RDONLY, 0	2014	my $f = new_from_file cf::object::thawer $path
1382	# or return;
1383
1384	$self->_load_header ($path)
1385	or return;	2015	or return;
		2016
		2017	$self->_load_header ($f)
		2018	or return;
		2019
		2020	local $MAP_LOADING{$self->{path}} = $self;
		2021	$f->resolve_delayed_derefs;
1386		2022
1387	$self->{load_path} = $path;	2023	$self->{load_path} = $path;
1388		2024
1389	1	2025	1
1390	}	2026	}
…		…
1429	$self->load_header_orig	2065	$self->load_header_orig
1430	or return;	2066	or return;
1431	$self->prepare_orig;	2067	$self->prepare_orig;
1432	}	2068	}
1433		2069
		2070	$self->{deny_reset} = 1
		2071	if $self->no_reset;
		2072
1434	$self->default_region (cf::region::find_by_path $self->{path})	2073	$self->default_region (cf::region::find_by_path $self->{path})
1435	unless $self->default_region;	2074	unless $self->default_region;
1436		2075
1437	1	2076	1
1438	}	2077	}
1439		2078
1440	sub find;	2079	sub find;
1441	sub find {	2080	sub find {
1442	my ($path, $origin) = @_;	2081	my ($path, $origin) = @_;
1443		2082
		2083	cf::cede_to_tick;
		2084
1444	$path = normalise $path, $origin && $origin->path;	2085	$path = normalise $path, $origin && $origin->path;
1445		2086
		2087	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1446	cf::lock_wait "map_find:$path";	2088	my $guard2 = cf::lock_acquire "map_find:$path";
1447		2089
1448	$cf::MAP{$path} || do {	2090	$cf::MAP{$path} || do {
1449	my $guard = cf::lock_acquire "map_find:$path";
1450	my $map = new_from_path cf::map $path	2091	my $map = new_from_path cf::map $path
1451	or return;	2092	or return;
1452		2093
1453	$map->{last_save} = $cf::RUNTIME;	2094	$map->{last_save} = $cf::RUNTIME;
1454		2095
1455	$map->load_header	2096	$map->load_header
1456	or return;	2097	or return;
1457		2098
1458	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2099	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1459	# doing this can freeze the server in a sync job, obviously	2100	# doing this can freeze the server in a sync job, obviously
1460	#$cf::WAIT_FOR_TICK->wait;	2101	#$cf::WAIT_FOR_TICK->wait;
		2102	undef $guard2;
		2103	undef $guard1;
1461	$map->reset;	2104	$map->reset;
1462	undef $guard;
1463	return find $path;	2105	return find $path;
1464	}	2106	}
1465		2107
1466	$cf::MAP{$path} = $map	2108	$cf::MAP{$path} = $map
1467	}	2109	}
1468	}	2110	}
1469		2111
1470	sub pre_load { }	2112	sub pre_load { }
1471	sub post_load { }	2113	#sub post_load { } # XS
1472		2114
1473	sub load {	2115	sub load {
1474	my ($self) = @_;	2116	my ($self) = @_;
1475		2117
1476	local $self->{deny_reset} = 1; # loading can take a long time	2118	local $self->{deny_reset} = 1; # loading can take a long time
1477		2119
1478	my $path = $self->{path};	2120	my $path = $self->{path};
		2121
		2122	{
1479	my $guard = cf::lock_acquire "map_load:$path";	2123	my $guard = cf::lock_acquire "map_data:$path";
1480		2124
		2125	return unless $self->valid;
1481	return if $self->in_memory != cf::MAP_SWAPPED;	2126	return unless $self->in_memory == cf::MAP_SWAPPED;
1482		2127
1483	$self->in_memory (cf::MAP_LOADING);	2128	$self->in_memory (cf::MAP_LOADING);
1484		2129
1485	$self->alloc;	2130	$self->alloc;
1486		2131
1487	$self->pre_load;	2132	$self->pre_load;
1488	Coro::cede;	2133	cf::cede_to_tick;
1489		2134
1490	$self->_load_objects ($self->{load_path}, 1)	2135	my $f = new_from_file cf::object::thawer $self->{load_path};
		2136	$f->skip_block;
		2137	$self->_load_objects ($f)
1491	or return;	2138	or return;
1492		2139
1493	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2140	$self->post_load_original
1494	if delete $self->{load_original};	2141	if delete $self->{load_original};
1495		2142
1496	if (my $uniq = $self->uniq_path) {	2143	if (my $uniq = $self->uniq_path) {
1497	utf8::encode $uniq;	2144	utf8::encode $uniq;
1498	if (aio_open $uniq, O_RDONLY, 0) {	2145	unless (aio_stat $uniq) {
		2146	if (my $f = new_from_file cf::object::thawer $uniq) {
1499	$self->clear_unique_items;	2147	$self->clear_unique_items;
1500	$self->_load_objects ($uniq, 0);	2148	$self->_load_objects ($f);
		2149	$f->resolve_delayed_derefs;
		2150	}
1501	}	2151	}
1502	}	2152	}
1503		2153
1504	Coro::cede;	2154	$f->resolve_delayed_derefs;
		2155
		2156	cf::cede_to_tick;
1505	# now do the right thing for maps	2157	# now do the right thing for maps
1506	$self->link_multipart_objects;	2158	$self->link_multipart_objects;
1507	Coro::cede;
1508
1509	unless ($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)	2159	$self->difficulty ($self->estimate_difficulty)
1516	unless $self->difficulty;	2160	unless $self->difficulty;
1517	Coro::cede;	2161	cf::cede_to_tick;
		2162
		2163	unless ($self->{deny_activate}) {
		2164	$self->decay_objects;
		2165	$self->fix_auto_apply;
		2166	$self->update_buttons;
		2167	cf::cede_to_tick;
1518	$self->activate;	2168	$self->activate;
1519	Coro::cede;	2169	}
		2170
		2171	$self->{last_save} = $cf::RUNTIME;
		2172	$self->last_access ($cf::RUNTIME);
		2173
		2174	$self->in_memory (cf::MAP_ACTIVE);
1520	}	2175	}
1521		2176
1522	$self->post_load;	2177	$self->post_load;
1523	Coro::cede;
1524		2178
1525	$self->in_memory (cf::MAP_IN_MEMORY);	2179	1
1526	}	2180	}
1527		2181
		2182	# customize the map for a given player, i.e.
		2183	# return the _real_ map. used by e.g. per-player
		2184	# maps to change the path to ~playername/mappath
1528	sub customise_for {	2185	sub customise_for {
1529	my ($self, $ob) = @_;	2186	my ($self, $ob) = @_;
1530		2187
1531	return find "~" . $ob->name . "/" . $self->{path}	2188	return find "~" . $ob->name . "/" . $self->{path}
1532	if $self->per_player;	2189	if $self->per_player;
1533		2190
		2191	# return find "?party/" . $ob->name . "/" . $self->{path}
		2192	# if $self->per_party;
		2193
1534	$self	2194	$self
1535	}	2195	}
1536		2196
1537	# find and load all maps in the 3x3 area around a map	2197	# find and load all maps in the 3x3 area around a map
1538	sub load_diag {	2198	sub load_neighbours {
1539	my ($map) = @_;	2199	my ($map) = @_;
1540		2200
1541	my @diag; # diagonal neighbours	2201	my @neigh; # diagonal neighbours
1542		2202
1543	for (0 .. 3) {	2203	for (0 .. 3) {
1544	my $neigh = $map->tile_path ($_)	2204	my $neigh = $map->tile_path ($_)
1545	or next;	2205	or next;
1546	$neigh = find $neigh, $map	2206	$neigh = find $neigh, $map
1547	or next;	2207	or next;
1548	$neigh->load;	2208	$neigh->load;
1549		2209
		2210	# now find the diagonal neighbours
		2211	push @neigh,
1550	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2212	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1551	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2213	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1552	}	2214	}
1553		2215
1554	for (@diag) {	2216	for (grep defined $_->[0], @neigh) {
		2217	my ($path, $origin) = @$_;
1555	my $neigh = find @$_	2218	my $neigh = find $path, $origin
1556	or next;	2219	or next;
1557	$neigh->load;	2220	$neigh->load;
1558	}	2221	}
1559	}	2222	}
1560		2223
1561	sub find_sync {	2224	sub find_sync {
1562	my ($path, $origin) = @_;	2225	my ($path, $origin) = @_;
1563		2226
1564	cf::sync_job { find $path, $origin }	2227	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2228	if $Coro::current == $Coro::main;
		2229
		2230	find $path, $origin
1565	}	2231	}
1566		2232
1567	sub do_load_sync {	2233	sub do_load_sync {
1568	my ($map) = @_;	2234	my ($map) = @_;
1569		2235
1570	cf::sync_job { $map->load };	2236	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2237	if $Coro::current == $Coro::main;
		2238
		2239	$map->load;
1571	}	2240	}
1572		2241
1573	our %MAP_PREFETCH;	2242	our %MAP_PREFETCH;
1574	our $MAP_PREFETCHER = undef;	2243	our $MAP_PREFETCHER = undef;
1575		2244
1576	sub find_async {	2245	sub find_async {
1577	my ($path, $origin) = @_;	2246	my ($path, $origin, $load) = @_;
1578		2247
1579	$path = normalise $path, $origin && $origin->{path};	2248	$path = normalise $path, $origin && $origin->{path};
1580		2249
1581	if (my $map = $cf::MAP{$path}) {	2250	if (my $map = $cf::MAP{$path}) {
1582	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2251	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1583	}	2252	}
1584		2253
1585	undef $MAP_PREFETCH{$path};	2254	$MAP_PREFETCH{$path} |= $load;
		2255
1586	$MAP_PREFETCHER ||= cf::async {	2256	$MAP_PREFETCHER ||= cf::async {
		2257	$Coro::current->{desc} = "map prefetcher";
		2258
1587	while (%MAP_PREFETCH) {	2259	while (%MAP_PREFETCH) {
1588	for my $path (keys %MAP_PREFETCH) {	2260	while (my ($k, $v) = each %MAP_PREFETCH) {
1589	my $map = find $path	2261	if (my $map = find $k) {
1590	or next;
1591	$map->load;	2262	$map->load if $v;
		2263	}
1592		2264
1593	delete $MAP_PREFETCH{$path};	2265	delete $MAP_PREFETCH{$k};
1594	}	2266	}
1595	}	2267	}
1596	undef $MAP_PREFETCHER;	2268	undef $MAP_PREFETCHER;
1597	};	2269	};
1598	$MAP_PREFETCHER->prio (6);	2270	$MAP_PREFETCHER->prio (6);
1599		2271
1600	()	2272	()
1601	}	2273	}
1602		2274
		2275	# common code, used by both ->save and ->swapout
1603	sub save {	2276	sub _save {
1604	my ($self) = @_;	2277	my ($self) = @_;
1605
1606	my $lock = cf::lock_acquire "map_data:" . $self->path;
1607		2278
1608	$self->{last_save} = $cf::RUNTIME;	2279	$self->{last_save} = $cf::RUNTIME;
1609		2280
1610	return unless $self->dirty;	2281	return unless $self->dirty;
1611		2282
…		…
1617	return if $self->{deny_save};	2288	return if $self->{deny_save};
1618		2289
1619	local $self->{last_access} = $self->last_access;#d#	2290	local $self->{last_access} = $self->last_access;#d#
1620		2291
1621	cf::async {	2292	cf::async {
		2293	$Coro::current->{desc} = "map player save";
1622	$_->contr->save for $self->players;	2294	$_->contr->save for $self->players;
1623	};	2295	};
		2296
		2297	cf::get_slot 0.02;
1624		2298
1625	if ($uniq) {	2299	if ($uniq) {
1626	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2300	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1627	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2301	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1628	} else {	2302	} else {
1629	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2303	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1630	}	2304	}
1631	}	2305	}
1632		2306
		2307	sub save {
		2308	my ($self) = @_;
		2309
		2310	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2311
		2312	$self->_save;
		2313	}
		2314
1633	sub swap_out {	2315	sub swap_out {
1634	my ($self) = @_;	2316	my ($self) = @_;
1635		2317
1636	# save first because save cedes
1637	$self->save;
1638
1639	my $lock = cf::lock_acquire "map_data:" . $self->path;	2318	my $lock = cf::lock_acquire "map_data:$self->{path}";
1640		2319
		2320	return if $self->in_memory != cf::MAP_ACTIVE;
		2321	return if $self->{deny_save};
1641	return if $self->players;	2322	return if $self->players;
1642	return if $self->in_memory != cf::MAP_IN_MEMORY;
1643	return if $self->{deny_save};
1644		2323
		2324	# first deactivate the map and "unlink" it from the core
		2325	$self->deactivate;
		2326	$_->clear_links_to ($self) for values %cf::MAP;
		2327	$self->in_memory (cf::MAP_SWAPPED);
		2328
		2329	# then atomically save
		2330	$self->_save;
		2331
		2332	# then free the map
1645	$self->clear;	2333	$self->clear;
1646	$self->in_memory (cf::MAP_SWAPPED);
1647	}	2334	}
1648		2335
1649	sub reset_at {	2336	sub reset_at {
1650	my ($self) = @_;	2337	my ($self) = @_;
1651		2338
1652	# TODO: safety, remove and allow resettable per-player maps	2339	# 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};	2340	return 1e99 if $self->{deny_reset};
1655		2341
1656	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2342	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1657	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2343	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1658		2344
…		…
1669	my ($self) = @_;	2355	my ($self) = @_;
1670		2356
1671	my $lock = cf::lock_acquire "map_data:$self->{path}";	2357	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		2358
1673	return if $self->players;	2359	return if $self->players;
1674	return if $self->isa ("ext::map_per_player");#d#
1675		2360
1676	warn "resetting map ", $self->path;#d#	2361	cf::trace "resetting map ", $self->path, "\n";
1677		2362
1678	$self->in_memory (cf::MAP_SWAPPED);	2363	$self->in_memory (cf::MAP_SWAPPED);
1679		2364
1680	# need to save uniques path	2365	# need to save uniques path
1681	unless ($self->{deny_save}) {	2366	unless ($self->{deny_save}) {
…		…
1685	if $uniq;	2370	if $uniq;
1686	}	2371	}
1687		2372
1688	delete $cf::MAP{$self->path};	2373	delete $cf::MAP{$self->path};
1689		2374
		2375	$self->deactivate;
		2376	$_->clear_links_to ($self) for values %cf::MAP;
1690	$self->clear;	2377	$self->clear;
1691
1692	$_->clear_links_to ($self) for values %cf::MAP;
1693		2378
1694	$self->unlink_save;	2379	$self->unlink_save;
1695	$self->destroy;	2380	$self->destroy;
1696	}	2381	}
1697		2382
1698	my $nuke_counter = "aaaa";	2383	my $nuke_counter = "aaaa";
1699		2384
1700	sub nuke {	2385	sub nuke {
1701	my ($self) = @_;	2386	my ($self) = @_;
1702		2387
		2388	{
		2389	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2390
1703	delete $cf::MAP{$self->path};	2391	delete $cf::MAP{$self->path};
1704		2392
1705	$self->unlink_save;	2393	$self->unlink_save;
1706		2394
1707	bless $self, "cf::map";	2395	bless $self, "cf::map::wrap";
1708	delete $self->{deny_reset};	2396	delete $self->{deny_reset};
1709	$self->{deny_save} = 1;	2397	$self->{deny_save} = 1;
1710	$self->reset_timeout (1);	2398	$self->reset_timeout (1);
1711	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2399	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1712		2400
1713	$cf::MAP{$self->path} = $self;	2401	$cf::MAP{$self->path} = $self;
		2402	}
1714		2403
1715	$self->reset; # polite request, might not happen	2404	$self->reset; # polite request, might not happen
		2405	}
		2406
		2407	=item $maps = cf::map::tmp_maps
		2408
		2409	Returns an arrayref with all map paths of currently instantiated and saved
		2410	maps. May block.
		2411
		2412	=cut
		2413
		2414	sub tmp_maps() {
		2415	[
		2416	map {
		2417	utf8::decode $_;
		2418	/\.map$/
		2419	? normalise $_
		2420	: ()
		2421	} @{ aio_readdir $TMPDIR or [] }
		2422	]
		2423	}
		2424
		2425	=item $maps = cf::map::random_maps
		2426
		2427	Returns an arrayref with all map paths of currently instantiated and saved
		2428	random maps. May block.
		2429
		2430	=cut
		2431
		2432	sub random_maps() {
		2433	[
		2434	map {
		2435	utf8::decode $_;
		2436	/\.map$/
		2437	? normalise "?random/$_"
		2438	: ()
		2439	} @{ aio_readdir $RANDOMDIR or [] }
		2440	]
1716	}	2441	}
1717		2442
1718	=item cf::map::unique_maps	2443	=item cf::map::unique_maps
1719		2444
1720	Returns an arrayref of paths of all shared maps that have	2445	Returns an arrayref of paths of all shared maps that have
1721	instantiated unique items. May block.	2446	instantiated unique items. May block.
1722		2447
1723	=cut	2448	=cut
1724		2449
1725	sub unique_maps() {	2450	sub unique_maps() {
1726	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2451	[
1727	or return;	2452	map {
1728
1729	my @paths;
1730
1731	for (@$files) {
1732	utf8::decode $_;	2453	utf8::decode $_;
1733	next if /\.pst$/;	2454	s/\.map$//; # TODO future compatibility hack
1734	next unless /^$PATH_SEP/o;	2455	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1735		2456	? ()
1736	push @paths, cf::map::normalise $_;	2457	: normalise $_
		2458	} @{ aio_readdir $UNIQUEDIR or [] }
1737	}	2459	]
1738
1739	\@paths
1740	}	2460	}
1741		2461
1742	package cf;	2462	=item cf::map::static_maps
		2463
		2464	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2465	file in the shared directory excluding F</styles> and F</editor>). May
		2466	block.
		2467
		2468	=cut
		2469
		2470	sub static_maps() {
		2471	my @dirs = "";
		2472	my @maps;
		2473
		2474	while (@dirs) {
		2475	my $dir = shift @dirs;
		2476
		2477	next if $dir eq "/styles" || $dir eq "/editor";
		2478
		2479	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2480	or return;
		2481
		2482	for (@$files) {
		2483	s/\.map$// or next;
		2484	utf8::decode $_;
		2485	push @maps, "$dir/$_";
		2486	}
		2487
		2488	push @dirs, map "$dir/$_", @$dirs;
		2489	}
		2490
		2491	\@maps
		2492	}
1743		2493
1744	=back	2494	=back
1745		2495
1746	=head3 cf::object	2496	=head3 cf::object
1747		2497
…		…
1751		2501
1752	=over 4	2502	=over 4
1753		2503
1754	=item $ob->inv_recursive	2504	=item $ob->inv_recursive
1755		2505
1756	Returns the inventory of the object _and_ their inventories, recursively.	2506	Returns the inventory of the object I<and> their inventories, recursively,
		2507	but I<not> the object itself.
1757		2508
1758	=cut	2509	=cut
1759		2510
1760	sub inv_recursive_;	2511	sub inv_recursive_;
1761	sub inv_recursive_ {	2512	sub inv_recursive_ {
…		…
1764		2515
1765	sub inv_recursive {	2516	sub inv_recursive {
1766	inv_recursive_ inv $_[0]	2517	inv_recursive_ inv $_[0]
1767	}	2518	}
1768		2519
		2520	=item $ref = $ob->ref
		2521
		2522	Creates and returns a persistent reference to an object that can be stored as a string.
		2523
		2524	=item $ob = cf::object::deref ($refstring)
		2525
		2526	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2527	even if the object actually exists. May block.
		2528
		2529	=cut
		2530
		2531	sub deref {
		2532	my ($ref) = @_;
		2533
		2534	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2535	my ($uuid, $name) = ($1, $2);
		2536	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2537	or return;
		2538	$pl->ob->uuid eq $uuid
		2539	or return;
		2540
		2541	$pl->ob
		2542	} else {
		2543	warn "$ref: cannot resolve object reference\n";
		2544	undef
		2545	}
		2546	}
		2547
1769	package cf;	2548	package cf;
1770		2549
1771	=back	2550	=back
1772		2551
1773	=head3 cf::object::player	2552	=head3 cf::object::player
…		…
1779	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2558	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	2559	can be C<undef>. Does the right thing when the player is currently in a
1781	dialogue with the given NPC character.	2560	dialogue with the given NPC character.
1782		2561
1783	=cut	2562	=cut
		2563
		2564	our $SAY_CHANNEL = {
		2565	id => "say",
		2566	title => "Map",
		2567	reply => "say ",
		2568	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2569	};
		2570
		2571	our $CHAT_CHANNEL = {
		2572	id => "chat",
		2573	title => "Chat",
		2574	reply => "chat ",
		2575	tooltip => "Player chat and shouts, global to the server.",
		2576	};
1784		2577
1785	# rough implementation of a future "reply" method that works	2578	# rough implementation of a future "reply" method that works
1786	# with dialog boxes.	2579	# with dialog boxes.
1787	#TODO: the first argument must go, split into a $npc->reply_to ( method	2580	#TODO: the first argument must go, split into a $npc->reply_to ( method
1788	sub cf::object::player::reply($$$;$) {	2581	sub cf::object::player::reply($$$;$) {
…		…
1790		2583
1791	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2584	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1792		2585
1793	if ($self->{record_replies}) {	2586	if ($self->{record_replies}) {
1794	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2587	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2588
1795	} else {	2589	} else {
		2590	my $pl = $self->contr;
		2591
		2592	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2593	my $dialog = $pl->{npc_dialog};
		2594	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2595
		2596	} else {
1796	$msg = $npc->name . " says: $msg" if $npc;	2597	$msg = $npc->name . " says: $msg" if $npc;
1797	$self->message ($msg, $flags);	2598	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2599	}
1798	}	2600	}
		2601	}
		2602
		2603	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2604
		2605	=cut
		2606
		2607	sub cf::object::send_msg {
		2608	my $pl = shift->contr
		2609	or return;
		2610	$pl->send_msg (@_);
1799	}	2611	}
1800		2612
1801	=item $player_object->may ("access")	2613	=item $player_object->may ("access")
1802		2614
1803	Returns wether the given player is authorized to access resource "access"	2615	Returns wether the given player is authorized to access resource "access"
…		…
1816		2628
1817	=item $player_object->enter_link	2629	=item $player_object->enter_link
1818		2630
1819	Freezes the player and moves him/her to a special map (C<{link}>).	2631	Freezes the player and moves him/her to a special map (C<{link}>).
1820		2632
1821	The player should be reasonably safe there for short amounts of time. You	2633	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.	2634	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2635	though, as the player cannot control the character while it is on the link
		2636	map.
1823		2637
1824	Will never block.	2638	Will never block.
1825		2639
1826	=item $player_object->leave_link ($map, $x, $y)	2640	=item $player_object->leave_link ($map, $x, $y)
1827		2641
…		…
1847	sub cf::object::player::enter_link {	2661	sub cf::object::player::enter_link {
1848	my ($self) = @_;	2662	my ($self) = @_;
1849		2663
1850	$self->deactivate_recursive;	2664	$self->deactivate_recursive;
1851		2665
		2666	++$self->{_link_recursion};
		2667
1852	return if UNIVERSAL::isa $self->map, "ext::map_link";	2668	return if UNIVERSAL::isa $self->map, "ext::map_link";
1853		2669
1854	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2670	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1855	if $self->map;	2671	if $self->map && $self->map->{path} ne "{link}";
1856		2672
1857	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2673	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1858	}	2674	}
1859		2675
1860	sub cf::object::player::leave_link {	2676	sub cf::object::player::leave_link {
1861	my ($self, $map, $x, $y) = @_;	2677	my ($self, $map, $x, $y) = @_;
		2678
		2679	return unless $self->contr->active;
1862		2680
1863	my $link_pos = delete $self->{_link_pos};	2681	my $link_pos = delete $self->{_link_pos};
1864		2682
1865	unless ($map) {	2683	unless ($map) {
1866	# restore original map position	2684	# restore original map position
…		…
1877	($x, $y) = (-1, -1)	2695	($x, $y) = (-1, -1)
1878	unless (defined $x) && (defined $y);	2696	unless (defined $x) && (defined $y);
1879		2697
1880	# use -1 or undef as default coordinates, not 0, 0	2698	# use -1 or undef as default coordinates, not 0, 0
1881	($x, $y) = ($map->enter_x, $map->enter_y)	2699	($x, $y) = ($map->enter_x, $map->enter_y)
1882	if $x <=0 && $y <= 0;	2700	if $x <= 0 && $y <= 0;
1883		2701
1884	$map->load;	2702	$map->load;
1885	$map->load_diag;	2703	$map->load_neighbours;
1886		2704
1887	return unless $self->contr->active;	2705	return unless $self->contr->active;
1888	$self->activate_recursive;
1889		2706
1890	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2707	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1891	$self->enter_map ($map, $x, $y);	2708	if ($self->enter_map ($map, $x, $y)) {
1892	}	2709	# entering was successful
1893		2710	delete $self->{_link_recursion};
1894	cf::player->attach (	2711	# only activate afterwards, to support waiting in hooks
1895	on_logout => sub {	2712	$self->activate_recursive;
1896	my ($pl) = @_;
1897
1898	# abort map switching before logout
1899	if ($pl->ob->{_link_pos}) {
1900	cf::sync_job {
1901	$pl->ob->leave_link
1902	};
1903	}
1904	},	2713	}
1905	on_login => sub {
1906	my ($pl) = @_;
1907		2714
1908	# try to abort aborted map switching on player login :)	2715	}
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		2716
1926	=item $player_object->goto ($path, $x, $y)	2717	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1927		2718
		2719	Moves the player to the given map-path and coordinates by first freezing
		2720	her, loading and preparing them map, calling the provided $check callback
		2721	that has to return the map if sucecssful, and then unfreezes the player on
		2722	the new (success) or old (failed) map position. In either case, $done will
		2723	be called at the end of this process.
		2724
		2725	Note that $check will be called with a potentially non-loaded map, so if
		2726	it needs a loaded map it has to call C<< ->load >>.
		2727
1928	=cut	2728	=cut
		2729
		2730	our $GOTOGEN;
1929		2731
1930	sub cf::object::player::goto {	2732	sub cf::object::player::goto {
1931	my ($self, $path, $x, $y) = @_;	2733	my ($self, $path, $x, $y, $check, $done) = @_;
		2734
		2735	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2736	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2737	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2738	($path, $x, $y) = @$EMERGENCY_POSITION;
		2739	}
		2740
		2741	# do generation counting so two concurrent goto's will be executed in-order
		2742	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1932		2743
1933	$self->enter_link;	2744	$self->enter_link;
1934		2745
1935	(async {	2746	(async {
		2747	$Coro::current->{desc} = "player::goto $path $x $y";
		2748
		2749	# *tag paths override both path and x|y
		2750	if ($path =~ /^\*(.*)$/) {
		2751	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2752	my $ob = $obs[rand @obs];
		2753
		2754	# see if we actually can go there
		2755	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2756	$ob = $obs[rand @obs];
		2757	} else {
		2758	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2759	}
		2760	# else put us there anyways for now #d#
		2761
		2762	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2763	} else {
		2764	($path, $x, $y) = (undef, undef, undef);
		2765	}
		2766	}
		2767
1936	my $map = eval {	2768	my $map = eval {
1937	my $map = cf::map::find $path;	2769	my $map = defined $path ? cf::map::find $path : undef;
		2770
		2771	if ($map) {
1938	$map = $map->customise_for ($self) if $map;	2772	$map = $map->customise_for ($self);
		2773	$map = $check->($map, $x, $y, $self) if $check && $map;
		2774	} else {
		2775	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2776	}
		2777
1939	$map	2778	$map
		2779	};
		2780
		2781	if ($@) {
		2782	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2783	LOG llevError | logBacktrace, Carp::longmess $@;
1940	} or	2784	}
1941	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1942		2785
		2786	if ($gen == $self->{_goto_generation}) {
		2787	delete $self->{_goto_generation};
1943	$self->leave_link ($map, $x, $y);	2788	$self->leave_link ($map, $x, $y);
		2789	}
		2790
		2791	$done->($self) if $done;
1944	})->prio (1);	2792	})->prio (1);
1945	}	2793	}
1946		2794
1947	=item $player_object->enter_exit ($exit_object)	2795	=item $player_object->enter_exit ($exit_object)
1948		2796
…		…
1968	}	2816	}
1969		2817
1970	sub prepare_random_map {	2818	sub prepare_random_map {
1971	my ($exit) = @_;	2819	my ($exit) = @_;
1972		2820
1973	my $guard = cf::lock_acquire "exit_prepare:$exit";
1974
1975	# all this does is basically replace the /! path by	2821	# all this does is basically replace the /! path by
1976	# a new random map path (?random/...) with a seed	2822	# a new random map path (?random/...) with a seed
1977	# that depends on the exit object	2823	# that depends on the exit object
1978		2824
1979	my $rmp = parse_random_map_params $exit->msg;	2825	my $rmp = parse_random_map_params $exit->msg;
…		…
1981	if ($exit->map) {	2827	if ($exit->map) {
1982	$rmp->{region} = $exit->region->name;	2828	$rmp->{region} = $exit->region->name;
1983	$rmp->{origin_map} = $exit->map->path;	2829	$rmp->{origin_map} = $exit->map->path;
1984	$rmp->{origin_x} = $exit->x;	2830	$rmp->{origin_x} = $exit->x;
1985	$rmp->{origin_y} = $exit->y;	2831	$rmp->{origin_y} = $exit->y;
		2832
		2833	$exit->map->touch;
1986	}	2834	}
1987		2835
1988	$rmp->{random_seed} ||= $exit->random_seed;	2836	$rmp->{random_seed} ||= $exit->random_seed;
1989		2837
1990	my $data = cf::to_json $rmp;	2838	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1991	my $md5 = Digest::MD5::md5_hex $data;	2839	my $md5 = Digest::MD5::md5_hex $data;
1992	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2840	my $meta = "$RANDOMDIR/$md5.meta";
1993		2841
1994	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2842	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1995	aio_write $fh, 0, (length $data), $data, 0;	2843	aio_write $fh, 0, (length $data), $data, 0;
1996	undef $fh;	2844	undef $fh;
1997	aio_rename "$meta~", $meta;	2845	aio_rename "$meta~", $meta;
1998		2846
		2847	my $slaying = "?random/$md5";
		2848
		2849	if ($exit->valid) {
1999	$exit->slaying ("?random/$md5");	2850	$exit->slaying ("?random/$md5");
2000	$exit->msg (undef);	2851	$exit->msg (undef);
		2852	}
2001	}	2853	}
2002	}	2854	}
2003		2855
2004	sub cf::object::player::enter_exit {	2856	sub cf::object::player::enter_exit {
2005	my ($self, $exit) = @_;	2857	my ($self, $exit) = @_;
2006		2858
2007	return unless $self->type == cf::PLAYER;	2859	return unless $self->type == cf::PLAYER;
2008		2860
2009	if ($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;	2861	$self->enter_link;
2021		2862
2022	(async {	2863	(async {
2023	$self->deactivate_recursive; # just to be sure	2864	$Coro::current->{desc} = "enter_exit";
		2865
2024	unless (eval {	2866	unless (eval {
		2867	$self->deactivate_recursive; # just to be sure
		2868
		2869	# random map handling
		2870	{
		2871	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2872
		2873	prepare_random_map $exit
		2874	if $exit->slaying eq "/!";
		2875	}
		2876
		2877	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2878	my $x = $exit->stats->hp;
		2879	my $y = $exit->stats->sp;
		2880
2025	$self->goto ($slaying, $hp, $sp);	2881	$self->goto ($map, $x, $y);
2026		2882
		2883	# if exit is damned, update players death & WoR home-position
		2884	$self->contr->savebed ($map, $x, $y)
		2885	if $exit->flag (cf::FLAG_DAMNED);
		2886
2027	1;	2887	1
2028	}) {	2888	}) {
2029	$self->message ("Something went wrong deep within the crossfire server. "	2889	$self->message ("Something went wrong deep within the deliantra server. "
2030	. "I'll try to bring you back to the map you were before. "	2890	. "I'll try to bring you back to the map you were before. "
2031	. "Please report this to the dungeon master!",	2891	. "Please report this to the dungeon master!",
2032	cf::NDI_UNIQUE | cf::NDI_RED);	2892	cf::NDI_UNIQUE | cf::NDI_RED);
2033		2893
2034	warn "ERROR in enter_exit: $@";	2894	error "ERROR in enter_exit: $@";
2035	$self->leave_link;	2895	$self->leave_link;
2036	}	2896	}
2037	})->prio (1);	2897	})->prio (1);
2038	}	2898	}
2039		2899
…		…
2053		2913
2054	utf8::encode $text;	2914	utf8::encode $text;
2055	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2915	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2056	}	2916	}
2057		2917
		2918	=item $client->send_big_packet ($pkt)
		2919
		2920	Like C<send_packet>, but tries to compress large packets, and fragments
		2921	them as required.
		2922
		2923	=cut
		2924
		2925	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2926
		2927	sub cf::client::send_big_packet {
		2928	my ($self, $pkt) = @_;
		2929
		2930	# try lzf for large packets
		2931	$pkt = "lzf " . Compress::LZF::compress $pkt
		2932	if 1024 <= length $pkt and $self->{can_lzf};
		2933
		2934	# split very large packets
		2935	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2936	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2937	$pkt = "frag";
		2938	}
		2939
		2940	$self->send_packet ($pkt);
		2941	}
		2942
		2943	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2944
		2945	Send a drawinfo or msg packet to the client, formatting the msg for the
		2946	client if neccessary. C<$type> should be a string identifying the type of
		2947	the message, with C<log> being the default. If C<$color> is negative, suppress
		2948	the message unless the client supports the msg packet.
		2949
		2950	=cut
		2951
		2952	# non-persistent channels (usually the info channel)
		2953	our %CHANNEL = (
		2954	"c/motd" => {
		2955	id => "infobox",
		2956	title => "MOTD",
		2957	reply => undef,
		2958	tooltip => "The message of the day",
		2959	},
		2960	"c/identify" => {
		2961	id => "infobox",
		2962	title => "Identify",
		2963	reply => undef,
		2964	tooltip => "Items recently identified",
		2965	},
		2966	"c/examine" => {
		2967	id => "infobox",
		2968	title => "Examine",
		2969	reply => undef,
		2970	tooltip => "Signs and other items you examined",
		2971	},
		2972	"c/shopinfo" => {
		2973	id => "infobox",
		2974	title => "Shop Info",
		2975	reply => undef,
		2976	tooltip => "What your bargaining skill tells you about the shop",
		2977	},
		2978	"c/book" => {
		2979	id => "infobox",
		2980	title => "Book",
		2981	reply => undef,
		2982	tooltip => "The contents of a note or book",
		2983	},
		2984	"c/lookat" => {
		2985	id => "infobox",
		2986	title => "Look",
		2987	reply => undef,
		2988	tooltip => "What you saw there",
		2989	},
		2990	"c/who" => {
		2991	id => "infobox",
		2992	title => "Players",
		2993	reply => undef,
		2994	tooltip => "Shows players who are currently online",
		2995	},
		2996	"c/body" => {
		2997	id => "infobox",
		2998	title => "Body Parts",
		2999	reply => undef,
		3000	tooltip => "Shows which body parts you posess and are available",
		3001	},
		3002	"c/statistics" => {
		3003	id => "infobox",
		3004	title => "Statistics",
		3005	reply => undef,
		3006	tooltip => "Shows your primary statistics",
		3007	},
		3008	"c/skills" => {
		3009	id => "infobox",
		3010	title => "Skills",
		3011	reply => undef,
		3012	tooltip => "Shows your experience per skill and item power",
		3013	},
		3014	"c/shopitems" => {
		3015	id => "infobox",
		3016	title => "Shop Items",
		3017	reply => undef,
		3018	tooltip => "Shows the items currently for sale in this shop",
		3019	},
		3020	"c/resistances" => {
		3021	id => "infobox",
		3022	title => "Resistances",
		3023	reply => undef,
		3024	tooltip => "Shows your resistances",
		3025	},
		3026	"c/pets" => {
		3027	id => "infobox",
		3028	title => "Pets",
		3029	reply => undef,
		3030	tooltip => "Shows information abotu your pets/a specific pet",
		3031	},
		3032	"c/perceiveself" => {
		3033	id => "infobox",
		3034	title => "Perceive Self",
		3035	reply => undef,
		3036	tooltip => "You gained detailed knowledge about yourself",
		3037	},
		3038	"c/uptime" => {
		3039	id => "infobox",
		3040	title => "Uptime",
		3041	reply => undef,
		3042	tooltip => "How long the server has been running since last restart",
		3043	},
		3044	"c/mapinfo" => {
		3045	id => "infobox",
		3046	title => "Map Info",
		3047	reply => undef,
		3048	tooltip => "Information related to the maps",
		3049	},
		3050	"c/party" => {
		3051	id => "party",
		3052	title => "Party",
		3053	reply => "gsay ",
		3054	tooltip => "Messages and chat related to your party",
		3055	},
		3056	"c/death" => {
		3057	id => "death",
		3058	title => "Death",
		3059	reply => undef,
		3060	tooltip => "Reason for and more info about your most recent death",
		3061	},
		3062	"c/say" => $SAY_CHANNEL,
		3063	"c/chat" => $CHAT_CHANNEL,
		3064	);
		3065
		3066	sub cf::client::send_msg {
		3067	my ($self, $channel, $msg, $color, @extra) = @_;
		3068
		3069	$msg = $self->pl->expand_cfpod ($msg)
		3070	unless $color & cf::NDI_VERBATIM;
		3071
		3072	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3073
		3074	# check predefined channels, for the benefit of C
		3075	if ($CHANNEL{$channel}) {
		3076	$channel = $CHANNEL{$channel};
		3077
		3078	$self->ext_msg (channel_info => $channel);
		3079	$channel = $channel->{id};
		3080
		3081	} elsif (ref $channel) {
		3082	# send meta info to client, if not yet sent
		3083	unless (exists $self->{channel}{$channel->{id}}) {
		3084	$self->{channel}{$channel->{id}} = $channel;
		3085	$self->ext_msg (channel_info => $channel);
		3086	}
		3087
		3088	$channel = $channel->{id};
		3089	}
		3090
		3091	return unless @extra || length $msg;
		3092
		3093	# default colour, mask it out
		3094	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3095	if $color & cf::NDI_DEF;
		3096
		3097	my $pkt = "msg "
		3098	. $self->{json_coder}->encode (
		3099	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3100	);
		3101
		3102	$self->send_big_packet ($pkt);
		3103	}
		3104
2058	=item $client->ext_event ($type, %msg)	3105	=item $client->ext_msg ($type, @msg)
2059		3106
2060	Sends an exti event to the client.	3107	Sends an ext event to the client.
2061		3108
2062	=cut	3109	=cut
2063		3110
2064	sub cf::client::ext_event($$%) {	3111	sub cf::client::ext_msg($$@) {
2065	my ($self, $type, %msg) = @_;	3112	my ($self, $type, @msg) = @_;
2066		3113
		3114	if ($self->extcmd == 2) {
		3115	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3116	} elsif ($self->extcmd == 1) { # TODO: remove
2067	$msg{msgtype} = "event_$type";	3117	push @msg, msgtype => "event_$type";
2068	$self->send_packet ("ext " . cf::to_json \%msg);	3118	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3119	}
		3120	}
		3121
		3122	=item $client->ext_reply ($msgid, @msg)
		3123
		3124	Sends an ext reply to the client.
		3125
		3126	=cut
		3127
		3128	sub cf::client::ext_reply($$@) {
		3129	my ($self, $id, @msg) = @_;
		3130
		3131	if ($self->extcmd == 2) {
		3132	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3133	} elsif ($self->extcmd == 1) {
		3134	#TODO: version 1, remove
		3135	unshift @msg, msgtype => "reply", msgid => $id;
		3136	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3137	}
2069	}	3138	}
2070		3139
2071	=item $success = $client->query ($flags, "text", \&cb)	3140	=item $success = $client->query ($flags, "text", \&cb)
2072		3141
2073	Queues a query to the client, calling the given callback with	3142	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>,	3143	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>.	3144	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2076		3145
2077	Queries can fail, so check the return code. Or don't, as queries will become	3146	Queries can fail, so check the return code. Or don't, as queries will
2078	reliable at some point in the future.	3147	become reliable at some point in the future.
2079		3148
2080	=cut	3149	=cut
2081		3150
2082	sub cf::client::query {	3151	sub cf::client::query {
2083	my ($self, $flags, $text, $cb) = @_;	3152	my ($self, $flags, $text, $cb) = @_;
…		…
2091	utf8::encode $text;	3160	utf8::encode $text;
2092	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3161	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2093		3162
2094	$self->send_packet ($self->{query_queue}[0][0])	3163	$self->send_packet ($self->{query_queue}[0][0])
2095	if @{ $self->{query_queue} } == 1;	3164	if @{ $self->{query_queue} } == 1;
		3165
		3166	1
2096	}	3167	}
2097		3168
2098	cf::client->attach (	3169	cf::client->attach (
		3170	on_connect => sub {
		3171	my ($ns) = @_;
		3172
		3173	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3174	},
2099	on_reply => sub {	3175	on_reply => sub {
2100	my ($ns, $msg) = @_;	3176	my ($ns, $msg) = @_;
2101		3177
2102	# this weird shuffling is so that direct followup queries	3178	# this weird shuffling is so that direct followup queries
2103	# get handled first	3179	# get handled first
…		…
2115	} else {	3191	} else {
2116	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3192	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2117	}	3193	}
2118	}	3194	}
2119	},	3195	},
		3196	on_exticmd => sub {
		3197	my ($ns, $buf) = @_;
		3198
		3199	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3200
		3201	if (ref $msg) {
		3202	my ($type, $reply, @payload) =
		3203	"ARRAY" eq ref $msg
		3204	? @$msg
		3205	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3206
		3207	my @reply;
		3208
		3209	if (my $cb = $EXTICMD{$type}) {
		3210	@reply = $cb->($ns, @payload);
		3211	}
		3212
		3213	$ns->ext_reply ($reply, @reply)
		3214	if $reply;
		3215
		3216	} else {
		3217	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3218	}
		3219
		3220	cf::override;
		3221	},
2120	);	3222	);
2121		3223
2122	=item $client->async (\&cb)	3224	=item $client->async (\&cb)
2123		3225
2124	Create a new coroutine, running the specified callback. The coroutine will	3226	Create a new coroutine, running the specified callback. The coroutine will
…		…
2140		3242
2141	$coro	3243	$coro
2142	}	3244	}
2143		3245
2144	cf::client->attach (	3246	cf::client->attach (
2145	on_destroy => sub {	3247	on_client_destroy => sub {
2146	my ($ns) = @_;	3248	my ($ns) = @_;
2147		3249
2148	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3250	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2149	},	3251	},
2150	);	3252	);
…		…
2165	our $safe = new Safe "safe";	3267	our $safe = new Safe "safe";
2166	our $safe_hole = new Safe::Hole;	3268	our $safe_hole = new Safe::Hole;
2167		3269
2168	$SIG{FPE} = 'IGNORE';	3270	$SIG{FPE} = 'IGNORE';
2169		3271
2170	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3272	$safe->permit_only (Opcode::opset qw(
		3273	:base_core :base_mem :base_orig :base_math :base_loop
		3274	grepstart grepwhile mapstart mapwhile
		3275	sort time
		3276	));
2171		3277
2172	# here we export the classes and methods available to script code	3278	# here we export the classes and methods available to script code
2173		3279
2174	=pod	3280	=pod
2175		3281
2176	The following functions and methods are available within a safe environment:	3282	The following functions and methods are available within a safe environment:
2177		3283
2178	cf::object contr pay_amount pay_player map	3284	cf::object
		3285	contr pay_amount pay_player map x y force_find force_add destroy
		3286	insert remove name archname title slaying race decrease split
		3287	value
		3288
2179	cf::object::player player	3289	cf::object::player
2180	cf::player peaceful	3290	player
2181	cf::map trigger	3291
		3292	cf::player
		3293	peaceful
		3294
		3295	cf::map
		3296	trigger
2182		3297
2183	=cut	3298	=cut
2184		3299
2185	for (	3300	for (
2186	["cf::object" => qw(contr pay_amount pay_player map)],	3301	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3302	insert remove inv nrof name archname title slaying race
		3303	decrease split destroy change_exp value msg lore send_msg)],
2187	["cf::object::player" => qw(player)],	3304	["cf::object::player" => qw(player)],
2188	["cf::player" => qw(peaceful)],	3305	["cf::player" => qw(peaceful send_msg)],
2189	["cf::map" => qw(trigger)],	3306	["cf::map" => qw(trigger)],
2190	) {	3307	) {
2191	no strict 'refs';
2192	my ($pkg, @funs) = @$_;	3308	my ($pkg, @funs) = @$_;
2193	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3309	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2194	for @funs;	3310	for @funs;
2195	}	3311	}
2196		3312
…		…
2211		3327
2212	my $qcode = $code;	3328	my $qcode = $code;
2213	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3329	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2214	$qcode =~ s/\n/\\n/g;	3330	$qcode =~ s/\n/\\n/g;
2215		3331
		3332	%vars = (_dummy => 0) unless %vars;
		3333
		3334	my @res;
2216	local $_;	3335	local $_;
2217	local @safe::cf::_safe_eval_args = values %vars;
2218		3336
2219	my $eval =	3337	my $eval =
2220	"do {\n"	3338	"do {\n"
2221	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3339	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2222	. "#line 0 \"{$qcode}\"\n"	3340	. "#line 0 \"{$qcode}\"\n"
2223	. $code	3341	. $code
2224	. "\n}"	3342	. "\n}"
2225	;	3343	;
2226		3344
		3345	if ($CFG{safe_eval}) {
2227	sub_generation_inc;	3346	sub_generation_inc;
		3347	local @safe::cf::_safe_eval_args = values %vars;
2228	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3348	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2229	sub_generation_inc;	3349	sub_generation_inc;
		3350	} else {
		3351	local @cf::_safe_eval_args = values %vars;
		3352	@res = wantarray ? eval eval : scalar eval $eval;
		3353	}
2230		3354
2231	if ($@) {	3355	if ($@) {
2232	warn "$@";	3356	warn "$@",
2233	warn "while executing safe code '$code'\n";	3357	"while executing safe code '$code'\n",
2234	warn "with arguments " . (join " ", %vars) . "\n";	3358	"with arguments " . (join " ", %vars) . "\n";
2235	}	3359	}
2236		3360
2237	wantarray ? @res : $res[0]	3361	wantarray ? @res : $res[0]
2238	}	3362	}
2239		3363
…		…
2253	=cut	3377	=cut
2254		3378
2255	sub register_script_function {	3379	sub register_script_function {
2256	my ($fun, $cb) = @_;	3380	my ($fun, $cb) = @_;
2257		3381
2258	no strict 'refs';	3382	$fun = "safe::$fun" if $CFG{safe_eval};
2259	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3383	*$fun = $safe_hole->wrap ($cb);
2260	}	3384	}
2261		3385
2262	=back	3386	=back
2263		3387
2264	=cut	3388	=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 $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2426	};
2427
2428	_exit 0;
2429	}
2430	}
2431
2432
2433		3389
2434	#############################################################################	3390	#############################################################################
2435	# the server's init and main functions	3391	# the server's init and main functions
2436		3392
2437	sub load_facedata($) {	3393	sub load_facedata($) {
2438	my ($path) = @_;	3394	my ($path) = @_;
2439		3395
		3396	# HACK to clear player env face cache, we need some signal framework
		3397	# for this (global event?)
		3398	%ext::player_env::MUSIC_FACE_CACHE = ();
		3399
		3400	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3401
2440	warn "loading facedata from $path\n";	3402	trace "loading facedata from $path\n";
2441		3403
2442	my $facedata;
2443	0 < aio_load $path, $facedata	3404	0 < aio_load $path, my $facedata
2444	or die "$path: $!";	3405	or die "$path: $!";
2445		3406
2446	$facedata = Coro::Storable::thaw $facedata;	3407	$facedata = Coro::Storable::thaw $facedata;
2447		3408
2448	$facedata->{version} == 2	3409	$facedata->{version} == 2
2449	or cf::cleanup "$path: version mismatch, cannot proceed.";	3410	or cf::cleanup "$path: version mismatch, cannot proceed.";
2450		3411
		3412	# patch in the exptable
		3413	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3414	$facedata->{resource}{"res/exp_table"} = {
		3415	type => FT_RSRC,
		3416	data => $exp_table,
		3417	hash => (Digest::MD5::md5 $exp_table),
		3418	};
		3419	cf::cede_to_tick;
		3420
2451	{	3421	{
2452	my $faces = $facedata->{faceinfo};	3422	my $faces = $facedata->{faceinfo};
2453		3423
2454	while (my ($face, $info) = each %$faces) {	3424	while (my ($face, $info) = each %$faces) {
2455	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3425	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3426
2456	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3427	cf::face::set_visibility $idx, $info->{visibility};
		3428	cf::face::set_magicmap $idx, $info->{magicmap};
2457	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3429	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2458	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3430	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2459	Coro::cede;	3431	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3432
		3433	cf::cede_to_tick;
2460	}	3434	}
2461		3435
2462	while (my ($face, $info) = each %$faces) {	3436	while (my ($face, $info) = each %$faces) {
2463	next unless $info->{smooth};	3437	next unless $info->{smooth};
		3438
2464	my $idx = cf::face::find $face	3439	my $idx = cf::face::find $face
2465	or next;	3440	or next;
		3441
2466	if (my $smooth = cf::face::find $info->{smooth}) {	3442	if (my $smooth = cf::face::find $info->{smooth}) {
		3443	cf::face::set_smooth $idx, $smooth;
2467	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3444	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2468	} else {	3445	} else {
2469	warn "smooth face '$info->{smooth}' not found for face '$face'";	3446	error "smooth face '$info->{smooth}' not found for face '$face'";
2470	}	3447	}
2471	Coro::cede;	3448
		3449	cf::cede_to_tick;
2472	}	3450	}
2473	}	3451	}
2474		3452
2475	{	3453	{
2476	my $anims = $facedata->{animinfo};	3454	my $anims = $facedata->{animinfo};
2477		3455
2478	while (my ($anim, $info) = each %$anims) {	3456	while (my ($anim, $info) = each %$anims) {
2479	cf::anim::set $anim, $info->{frames}, $info->{facings};	3457	cf::anim::set $anim, $info->{frames}, $info->{facings};
2480	Coro::cede;	3458	cf::cede_to_tick;
2481	}	3459	}
2482		3460
2483	cf::anim::invalidate_all; # d'oh	3461	cf::anim::invalidate_all; # d'oh
2484	}	3462	}
2485		3463
		3464	{
		3465	my $res = $facedata->{resource};
		3466
		3467	while (my ($name, $info) = each %$res) {
		3468	if (defined $info->{type}) {
		3469	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3470
		3471	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3472	cf::face::set_type $idx, $info->{type};
		3473	} else {
		3474	$RESOURCE{$name} = $info; # unused
		3475	}
		3476
		3477	cf::cede_to_tick;
		3478	}
		3479	}
		3480
		3481	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3482
2486	1	3483	1
2487	}	3484	}
2488		3485
		3486	register_exticmd fx_want => sub {
		3487	my ($ns, $want) = @_;
		3488
		3489	while (my ($k, $v) = each %$want) {
		3490	$ns->fx_want ($k, $v);
		3491	}
		3492	};
		3493
		3494	sub load_resource_file($) {
		3495	my $guard = lock_acquire "load_resource_file";
		3496
		3497	my $status = load_resource_file_ $_[0];
		3498	get_slot 0.1, 100;
		3499	cf::arch::commit_load;
		3500
		3501	$status
		3502	}
		3503
		3504	sub reload_regions {
		3505	# HACK to clear player env face cache, we need some signal framework
		3506	# for this (global event?)
		3507	%ext::player_env::MUSIC_FACE_CACHE = ();
		3508
		3509	load_resource_file "$MAPDIR/regions"
		3510	or die "unable to load regions file\n";
		3511
		3512	for (cf::region::list) {
		3513	$_->{match} = qr/$_->{match}/
		3514	if exists $_->{match};
		3515	}
		3516	}
		3517
2489	sub reload_facedata {	3518	sub reload_facedata {
2490	load_facedata sprintf "%s/facedata", cf::datadir	3519	load_facedata "$DATADIR/facedata"
2491	or die "unable to load facedata\n";	3520	or die "unable to load facedata\n";
2492	}	3521	}
2493		3522
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 {	3523	sub reload_archetypes {
2500	load_resource_file sprintf "%s/archetypes", cf::datadir	3524	load_resource_file "$DATADIR/archetypes"
2501	or die "unable to load archetypes\n";	3525	or die "unable to load archetypes\n";
2502	}	3526	}
2503		3527
2504	sub reload_treasures {	3528	sub reload_treasures {
2505	load_resource_file sprintf "%s/treasures", cf::datadir	3529	load_resource_file "$DATADIR/treasures"
2506	or die "unable to load treasurelists\n";	3530	or die "unable to load treasurelists\n";
2507	}	3531	}
2508		3532
		3533	sub reload_sound {
		3534	trace "loading sound config from $DATADIR/sound\n";
		3535
		3536	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3537	or die "$DATADIR/sound $!";
		3538
		3539	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3540
		3541	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3542	my $sound = $soundconf->{compat}[$_]
		3543	or next;
		3544
		3545	my $face = cf::face::find "sound/$sound->[1]";
		3546	cf::sound::set $sound->[0] => $face;
		3547	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3548	}
		3549
		3550	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3551	my $face = cf::face::find "sound/$v";
		3552	cf::sound::set $k => $face;
		3553	}
		3554	}
		3555
2509	sub reload_resources {	3556	sub reload_resources {
2510	warn "reloading resource files...\n";	3557	trace "reloading resource files...\n";
2511		3558
		3559	reload_exp_table;
		3560	reload_materials;
		3561	reload_facedata;
		3562	reload_sound;
		3563	reload_archetypes;
2512	reload_regions;	3564	reload_regions;
2513	reload_facedata;
2514	reload_archetypes;
2515	reload_treasures;	3565	reload_treasures;
2516		3566
2517	warn "finished reloading resource files\n";	3567	trace "finished reloading resource files\n";
2518	}	3568	}
2519		3569
2520	sub init {	3570	sub reload_config {
2521	reload_resources;	3571	trace "reloading config file...\n";
2522	}
2523		3572
2524	sub cfg_load {	3573	0 < aio_load "$CONFDIR/config", my $config
2525	open my $fh, "<:utf8", cf::confdir . "/config"	3574	or die "$CONFDIR/config: $!";
2526	or return;
2527		3575
2528	local $/;	3576	utf8::decode $config;
2529	*CFG = YAML::Syck::Load <$fh>;	3577	*CFG = yaml_load $config;
2530		3578
2531	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3579	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2532		3580
2533	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3581	$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};	3582	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2535		3583
2536	if (exists $CFG{mlockall}) {	3584	if (exists $CFG{mlockall}) {
…		…
2540	};	3588	};
2541	warn $@ if $@;	3589	warn $@ if $@;
2542	}	3590	}
2543	}	3591	}
2544		3592
		3593	sub pidfile() {
		3594	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3595	or die "$PIDFILE: $!";
		3596	flock $fh, &Fcntl::LOCK_EX
		3597	or die "$PIDFILE: flock: $!";
		3598	$fh
		3599	}
		3600
		3601	# make sure only one server instance is running at any one time
		3602	sub atomic {
		3603	my $fh = pidfile;
		3604
		3605	my $pid = <$fh>;
		3606	kill 9, $pid if $pid > 0;
		3607
		3608	seek $fh, 0, 0;
		3609	print $fh $$;
		3610	}
		3611
		3612	sub main_loop {
		3613	trace "EV::loop starting\n";
		3614	if (1) {
		3615	EV::loop;
		3616	}
		3617	trace "EV::loop returned\n";
		3618	goto &main_loop unless $REALLY_UNLOOP;
		3619	}
		3620
2545	sub main {	3621	sub main {
		3622	cf::init_globals; # initialise logging
		3623
		3624	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3625	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3626	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3627	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3628
		3629	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3630
2546	# we must not ever block the main coroutine	3631	# we must not ever block the main coroutine
2547	local $Coro::idle = sub {	3632	local $Coro::idle = sub {
2548	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3633	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2549	(async {	3634	(async {
2550	Event::one_event;	3635	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3636	EV::loop EV::LOOP_ONESHOT;
2551	})->prio (Coro::PRIO_MAX);	3637	})->prio (Coro::PRIO_MAX);
2552	};	3638	};
2553		3639
2554	cfg_load;	3640	evthread_start IO::AIO::poll_fileno;
		3641
		3642	cf::sync_job {
		3643	cf::incloader::init ();
		3644
		3645	cf::init_anim;
		3646	cf::init_attackmess;
		3647	cf::init_dynamic;
		3648
		3649	cf::load_settings;
		3650
		3651	reload_resources;
		3652	reload_config;
2555	db_init;	3653	db_init;
		3654
		3655	cf::init_uuid;
		3656	cf::init_signals;
		3657	cf::init_skills;
		3658
		3659	cf::init_beforeplay;
		3660
		3661	atomic;
		3662
2556	load_extensions;	3663	load_extensions;
2557		3664
2558	$TICK_WATCHER->start;	3665	utime time, time, $RUNTIMEFILE;
2559	Event::loop;	3666
		3667	# no (long-running) fork's whatsoever before this point(!)
		3668	use POSIX ();
		3669	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3670
		3671	cf::_post_init 0;
		3672	};
		3673
		3674	cf::object::thawer::errors_are_fatal 0;
		3675	info "parse errors in files are no longer fatal from this point on.\n";
		3676
		3677	my $free_main; $free_main = EV::idle sub {
		3678	undef $free_main;
		3679	undef &main; # free gobs of memory :)
		3680	};
		3681
		3682	goto &main_loop;
2560	}	3683	}
2561		3684
2562	#############################################################################	3685	#############################################################################
2563	# initialisation and cleanup	3686	# initialisation and cleanup
2564		3687
2565	# install some emergency cleanup handlers	3688	# install some emergency cleanup handlers
2566	BEGIN {	3689	BEGIN {
		3690	our %SIGWATCHER = ();
2567	for my $signal (qw(INT HUP TERM)) {	3691	for my $signal (qw(INT HUP TERM)) {
2568	Event->signal (	3692	$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";	3693	cf::cleanup "SIG$signal";
2575	},
2576	);	3694	};
		3695	}
		3696	}
		3697
		3698	sub write_runtime_sync {
		3699	my $t0 = AE::time;
		3700
		3701	# first touch the runtime file to show we are still running:
		3702	# the fsync below can take a very very long time.
		3703
		3704	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3705
		3706	my $guard = cf::lock_acquire "write_runtime";
		3707
		3708	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3709	or return;
		3710
		3711	my $value = $cf::RUNTIME + 90 + 10;
		3712	# 10 is the runtime save interval, for a monotonic clock
		3713	# 60 allows for the watchdog to kill the server.
		3714
		3715	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3716	and return;
		3717
		3718	# always fsync - this file is important
		3719	aio_fsync $fh
		3720	and return;
		3721
		3722	# touch it again to show we are up-to-date
		3723	aio_utime $fh, undef, undef;
		3724
		3725	close $fh
		3726	or return;
		3727
		3728	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3729	and return;
		3730
		3731	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3732
2577	}	3733	1
		3734	}
		3735
		3736	our $uuid_lock;
		3737	our $uuid_skip;
		3738
		3739	sub write_uuid_sync($) {
		3740	$uuid_skip ||= $_[0];
		3741
		3742	return if $uuid_lock;
		3743	local $uuid_lock = 1;
		3744
		3745	my $uuid = "$LOCALDIR/uuid";
		3746
		3747	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3748	or return;
		3749
		3750	my $value = uuid_seq uuid_cur;
		3751
		3752	unless ($value) {
		3753	info "cowardly refusing to write zero uuid value!\n";
		3754	return;
		3755	}
		3756
		3757	my $value = uuid_str $value + $uuid_skip;
		3758	$uuid_skip = 0;
		3759
		3760	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3761	and return;
		3762
		3763	# always fsync - this file is important
		3764	aio_fsync $fh
		3765	and return;
		3766
		3767	close $fh
		3768	or return;
		3769
		3770	aio_rename "$uuid~", $uuid
		3771	and return;
		3772
		3773	trace "uuid file written ($value).\n";
		3774
		3775	1
		3776
		3777	}
		3778
		3779	sub write_uuid($$) {
		3780	my ($skip, $sync) = @_;
		3781
		3782	$sync ? write_uuid_sync $skip
		3783	: async { write_uuid_sync $skip };
2578	}	3784	}
2579		3785
2580	sub emergency_save() {	3786	sub emergency_save() {
2581	my $freeze_guard = cf::freeze_mainloop;	3787	my $freeze_guard = cf::freeze_mainloop;
2582		3788
2583	warn "enter emergency perl save\n";	3789	info "emergency_perl_save: enter\n";
		3790
		3791	# this is a trade-off: we want to be very quick here, so
		3792	# save all maps without fsync, and later call a global sync
		3793	# (which in turn might be very very slow)
		3794	local $USE_FSYNC = 0;
2584		3795
2585	cf::sync_job {	3796	cf::sync_job {
		3797	cf::write_runtime_sync; # external watchdog should not bark
		3798
2586	# use a peculiar iteration method to avoid tripping on perl	3799	# use a peculiar iteration method to avoid tripping on perl
2587	# refcount bugs in for. also avoids problems with players	3800	# refcount bugs in for. also avoids problems with players
2588	# and maps saved/destroyed asynchronously.	3801	# and maps saved/destroyed asynchronously.
2589	warn "begin emergency player save\n";	3802	info "emergency_perl_save: begin player save\n";
2590	for my $login (keys %cf::PLAYER) {	3803	for my $login (keys %cf::PLAYER) {
2591	my $pl = $cf::PLAYER{$login} or next;	3804	my $pl = $cf::PLAYER{$login} or next;
2592	$pl->valid or next;	3805	$pl->valid or next;
		3806	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2593	$pl->save;	3807	$pl->save;
2594	}	3808	}
2595	warn "end emergency player save\n";	3809	info "emergency_perl_save: end player save\n";
2596		3810
2597	warn "begin emergency map save\n";	3811	cf::write_runtime_sync; # external watchdog should not bark
		3812
		3813	info "emergency_perl_save: begin map save\n";
2598	for my $path (keys %cf::MAP) {	3814	for my $path (keys %cf::MAP) {
2599	my $map = $cf::MAP{$path} or next;	3815	my $map = $cf::MAP{$path} or next;
2600	$map->valid or next;	3816	$map->valid or next;
2601	$map->save;	3817	$map->save;
2602	}	3818	}
2603	warn "end emergency map save\n";	3819	info "emergency_perl_save: end map save\n";
2604		3820
2605	warn "begin emergency database checkpoint\n";	3821	cf::write_runtime_sync; # external watchdog should not bark
		3822
		3823	info "emergency_perl_save: begin database checkpoint\n";
2606	BDB::db_env_txn_checkpoint $DB_ENV;	3824	BDB::db_env_txn_checkpoint $DB_ENV;
2607	warn "end emergency database checkpoint\n";	3825	info "emergency_perl_save: end database checkpoint\n";
		3826
		3827	info "emergency_perl_save: begin write uuid\n";
		3828	write_uuid_sync 1;
		3829	info "emergency_perl_save: end write uuid\n";
		3830
		3831	cf::write_runtime_sync; # external watchdog should not bark
		3832
		3833	trace "emergency_perl_save: syncing database to disk";
		3834	BDB::db_env_txn_checkpoint $DB_ENV;
		3835
		3836	info "emergency_perl_save: starting sync\n";
		3837	IO::AIO::aio_sync sub {
		3838	info "emergency_perl_save: finished sync\n";
		3839	};
		3840
		3841	cf::write_runtime_sync; # external watchdog should not bark
		3842
		3843	trace "emergency_perl_save: flushing outstanding aio requests";
		3844	while (IO::AIO::nreqs || BDB::nreqs) {
		3845	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3846	}
		3847
		3848	cf::write_runtime_sync; # external watchdog should not bark
2608	};	3849	};
2609		3850
2610	warn "leave emergency perl save\n";	3851	info "emergency_perl_save: leave\n";
2611	}	3852	}
2612		3853
2613	sub post_cleanup {	3854	sub post_cleanup {
2614	my ($make_core) = @_;	3855	my ($make_core) = @_;
2615		3856
		3857	IO::AIO::flush;
		3858
2616	warn Carp::longmess "post_cleanup backtrace"	3859	error Carp::longmess "post_cleanup backtrace"
2617	if $make_core;	3860	if $make_core;
		3861
		3862	my $fh = pidfile;
		3863	unlink $PIDFILE if <$fh> == $$;
		3864	}
		3865
		3866	# a safer delete_package, copied from Symbol
		3867	sub clear_package($) {
		3868	my $pkg = shift;
		3869
		3870	# expand to full symbol table name if needed
		3871	unless ($pkg =~ /^main::.*::$/) {
		3872	$pkg = "main$pkg" if $pkg =~ /^::/;
		3873	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3874	$pkg .= '::' unless $pkg =~ /::$/;
		3875	}
		3876
		3877	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3878	my $stem_symtab = *{$stem}{HASH};
		3879
		3880	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3881	or return;
		3882
		3883	# clear all symbols
		3884	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3885	for my $name (keys %$leaf_symtab) {
		3886	_gv_clear *{"$pkg$name"};
		3887	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3888	}
2618	}	3889	}
2619		3890
2620	sub do_reload_perl() {	3891	sub do_reload_perl() {
2621	# can/must only be called in main	3892	# can/must only be called in main
2622	if ($Coro::current != $Coro::main) {	3893	unless (in_main) {
2623	warn "can only reload from main coroutine";	3894	error "can only reload from main coroutine";
2624	return;	3895	return;
2625	}	3896	}
2626		3897
2627	warn "reloading...";	3898	return if $RELOAD++;
2628		3899
2629	warn "entering sync_job";	3900	my $t1 = AE::time;
2630		3901
		3902	while ($RELOAD) {
		3903	cf::get_slot 0.1, -1, "reload_perl";
		3904	info "perl_reload: reloading...";
		3905
		3906	trace "perl_reload: entering sync_job";
		3907
2631	cf::sync_job {	3908	cf::sync_job {
2632	cf::write_runtime; # external watchdog should not bark
2633	cf::emergency_save;	3909	#cf::emergency_save;
2634	cf::write_runtime; # external watchdog should not bark
2635		3910
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";	3911	trace "perl_reload: cancelling all extension coros";
2658	$_->cancel for values %EXT_CORO;	3912	$_->cancel for values %EXT_CORO;
2659	%EXT_CORO = ();	3913	%EXT_CORO = ();
2660		3914
2661	warn "removing commands";	3915	trace "perl_reload: removing commands";
2662	%COMMAND = ();	3916	%COMMAND = ();
2663		3917
2664	warn "removing ext commands";	3918	trace "perl_reload: removing ext/exti commands";
2665	%EXTCMD = ();	3919	%EXTCMD = ();
		3920	%EXTICMD = ();
2666		3921
2667	warn "unloading/nuking all extensions";	3922	trace "perl_reload: unloading/nuking all extensions";
2668	for my $pkg (@EXTS) {	3923	for my $pkg (@EXTS) {
2669	warn "... unloading $pkg";	3924	trace "... unloading $pkg";
2670		3925
2671	if (my $cb = $pkg->can ("unload")) {	3926	if (my $cb = $pkg->can ("unload")) {
2672	eval {	3927	eval {
2673	$cb->($pkg);	3928	$cb->($pkg);
2674	1	3929	1
2675	} or warn "$pkg unloaded, but with errors: $@";	3930	} or error "$pkg unloaded, but with errors: $@";
		3931	}
		3932
		3933	trace "... clearing $pkg";
		3934	clear_package $pkg;
2676	}	3935	}
2677		3936
2678	warn "... nuking $pkg";
2679	Symbol::delete_package $pkg;
2680	}
2681
2682	warn "unloading all perl modules loaded from $LIBDIR";	3937	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2683	while (my ($k, $v) = each %INC) {	3938	while (my ($k, $v) = each %INC) {
2684	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3939	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2685		3940
2686	warn "... unloading $k";	3941	trace "... unloading $k";
2687	delete $INC{$k};	3942	delete $INC{$k};
2688		3943
2689	$k =~ s/\.pm$//;	3944	$k =~ s/\.pm$//;
2690	$k =~ s/\//::/g;	3945	$k =~ s/\//::/g;
2691		3946
2692	if (my $cb = $k->can ("unload_module")) {	3947	if (my $cb = $k->can ("unload_module")) {
2693	$cb->();	3948	$cb->();
		3949	}
		3950
		3951	clear_package $k;
2694	}	3952	}
2695		3953
2696	Symbol::delete_package $k;
2697	}
2698
2699	warn "getting rid of safe::, as good as possible";	3954	trace "perl_reload: getting rid of safe::, as good as possible";
2700	Symbol::delete_package "safe::$_"	3955	clear_package "safe::$_"
2701	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3956	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2702		3957
2703	warn "unloading cf.pm \"a bit\"";	3958	trace "perl_reload: unloading cf.pm \"a bit\"";
2704	delete $INC{"cf.pm"};	3959	delete $INC{"cf.pm"};
		3960	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2705		3961
2706	# don't, removes xs symbols, too,	3962	# don't, removes xs symbols, too,
2707	# and global variables created in xs	3963	# and global variables created in xs
2708	#Symbol::delete_package __PACKAGE__;	3964	#clear_package __PACKAGE__;
2709		3965
2710	warn "unload completed, starting to reload now";	3966	info "perl_reload: unload completed, starting to reload now";
2711		3967
2712	warn "reloading cf.pm";	3968	trace "perl_reload: reloading cf.pm";
2713	require cf;	3969	require cf;
2714	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3970	cf::_connect_to_perl_1;
2715		3971
2716	warn "loading config and database again";	3972	trace "perl_reload: loading config and database again";
2717	cf::cfg_load;	3973	cf::reload_config;
2718		3974
2719	warn "loading extensions";	3975	trace "perl_reload: loading extensions";
2720	cf::load_extensions;	3976	cf::load_extensions;
2721		3977
		3978	if ($REATTACH_ON_RELOAD) {
2722	warn "reattaching attachments to objects/players";	3979	trace "perl_reload: reattaching attachments to objects/players";
2723	_global_reattach; # objects, sockets	3980	_global_reattach; # objects, sockets
2724	warn "reattaching attachments to maps";	3981	trace "perl_reload: reattaching attachments to maps";
2725	reattach $_ for values %MAP;	3982	reattach $_ for values %MAP;
2726	warn "reattaching attachments to players";	3983	trace "perl_reload: reattaching attachments to players";
2727	reattach $_ for values %PLAYER;	3984	reattach $_ for values %PLAYER;
		3985	}
2728		3986
2729	warn "leaving sync_job";	3987	cf::_post_init 1;
2730		3988
		3989	trace "perl_reload: leaving sync_job";
		3990
2731	1	3991	1
2732	} or do {	3992	} or do {
2733	warn $@;	3993	error $@;
2734	warn "error while reloading, exiting.";	3994	cf::cleanup "perl_reload: error, exiting.";
2735	exit 1;	3995	};
		3996
		3997	--$RELOAD;
2736	};	3998	}
2737		3999
2738	warn "reloaded";	4000	$t1 = AE::time - $t1;
		4001	info "perl_reload: completed in ${t1}s\n";
2739	};	4002	};
2740		4003
2741	our $RELOAD_WATCHER; # used only during reload	4004	our $RELOAD_WATCHER; # used only during reload
2742		4005
2743	sub reload_perl() {	4006	sub reload_perl() {
2744	# doing reload synchronously and two reloads happen back-to-back,	4007	# doing reload synchronously and two reloads happen back-to-back,
2745	# coro crashes during coro_state_free->destroy here.	4008	# coro crashes during coro_state_free->destroy here.
2746		4009
2747	$RELOAD_WATCHER ||= Event->timer (	4010	$RELOAD_WATCHER ||= cf::async {
2748	reentrant => 0,	4011	Coro::AIO::aio_wait cache_extensions;
2749	after => 0,	4012
2750	data => WF_AUTOCANCEL,	4013	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2751	cb => sub {
2752	do_reload_perl;	4014	do_reload_perl;
2753	undef $RELOAD_WATCHER;	4015	undef $RELOAD_WATCHER;
2754	},	4016	};
2755	);	4017	};
2756	}	4018	}
2757		4019
2758	register_command "reload" => sub {	4020	register_command "reload" => sub {
2759	my ($who, $arg) = @_;	4021	my ($who, $arg) = @_;
2760		4022
2761	if ($who->flag (FLAG_WIZ)) {	4023	if ($who->flag (FLAG_WIZ)) {
2762	$who->message ("reloading server.");	4024	$who->message ("reloading server.");
		4025	async {
		4026	$Coro::current->{desc} = "perl_reload";
2763	async { reload_perl };	4027	reload_perl;
		4028	};
2764	}	4029	}
2765	};	4030	};
2766		4031
2767	unshift @INC, $LIBDIR;	4032	#############################################################################
2768		4033
2769	my $bug_warning = 0;	4034	my $bug_warning = 0;
2770		4035
2771	our @WAIT_FOR_TICK;	4036	our @WAIT_FOR_TICK;
2772	our @WAIT_FOR_TICK_BEGIN;	4037	our @WAIT_FOR_TICK_BEGIN;
2773		4038
2774	sub wait_for_tick {	4039	sub wait_for_tick() {
2775	return unless $TICK_WATCHER->is_active;
2776	return if $Coro::current == $Coro::main;	4040	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2777		4041
2778	my $signal = new Coro::Signal;	4042	my $signal = new Coro::Signal;
2779	push @WAIT_FOR_TICK, $signal;	4043	push @WAIT_FOR_TICK, $signal;
2780	$signal->wait;	4044	$signal->wait;
2781	}	4045	}
2782		4046
2783	sub wait_for_tick_begin {	4047	sub wait_for_tick_begin() {
2784	return unless $TICK_WATCHER->is_active;
2785	return if $Coro::current == $Coro::main;	4048	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2786		4049
2787	my $signal = new Coro::Signal;	4050	my $signal = new Coro::Signal;
2788	push @WAIT_FOR_TICK_BEGIN, $signal;	4051	push @WAIT_FOR_TICK_BEGIN, $signal;
2789	$signal->wait;	4052	$signal->wait;
2790	}	4053	}
2791		4054
2792	$TICK_WATCHER = Event->timer (	4055	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) {	4056	if ($Coro::current != $Coro::main) {
2800	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4057	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2801	unless ++$bug_warning > 10;	4058	unless ++$bug_warning > 10;
2802	return;	4059	return;
2803	}	4060	}
2804		4061
2805	$NOW = Event::time;
2806
2807	cf::server_tick; # one server iteration	4062	cf::server_tick; # one server iteration
2808		4063
2809	$RUNTIME += $TICK;	4064	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2810	$NEXT_TICK += $TICK;
2811		4065
2812	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4066	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2813	$NEXT_RUNTIME_WRITE = $NOW + 10;	4067	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2814	Coro::async_pool {	4068	Coro::async_pool {
		4069	$Coro::current->{desc} = "runtime saver";
2815	write_runtime	4070	write_runtime_sync
2816	or warn "ERROR: unable to write runtime file: $!";	4071	or error "ERROR: unable to write runtime file: $!";
2817	};
2818	}	4072	};
		4073	}
2819		4074
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) {	4075	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2830	$sig->send;	4076	$sig->send;
2831	}	4077	}
2832	while (my $sig = shift @WAIT_FOR_TICK) {	4078	while (my $sig = shift @WAIT_FOR_TICK) {
2833	$sig->send;	4079	$sig->send;
2834	}
2835
2836	_post_tick;
2837	},	4080	}
2838	);	4081
		4082	$LOAD = ($NOW - $TICK_START) / $TICK;
		4083	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4084
		4085	if (0) {
		4086	if ($NEXT_TICK) {
		4087	my $jitter = $TICK_START - $NEXT_TICK;
		4088	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4089	debug "jitter $JITTER\n";#d#
		4090	}
		4091	}
		4092	}
2839		4093
2840	{	4094	{
2841	BDB::max_poll_time $TICK * 0.1;	4095	# configure BDB
2842	$BDB_POLL_WATCHER = Event->io (	4096
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;	4097	BDB::min_parallel 16;
2851		4098	BDB::max_poll_reqs $TICK * 0.1;
2852	BDB::set_sync_prepare {	4099	$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		4100
2867	unless ($DB_ENV) {	4101	unless ($DB_ENV) {
2868	$DB_ENV = BDB::db_env_create;	4102	$DB_ENV = BDB::db_env_create;
		4103	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4104	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4105	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4106	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4107	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2869		4108
2870	cf::sync_job {	4109	cf::sync_job {
2871	eval {	4110	eval {
2872	BDB::db_env_open	4111	BDB::db_env_open
2873	$DB_ENV,	4112	$DB_ENV,
2874	$BDB_ENV_DIR,	4113	$BDBDIR,
2875	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4114	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2876	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4115	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2877	0666;	4116	0666;
2878		4117
2879	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4118	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	};	4119	};
2884		4120
2885	cf::cleanup "db_env_open(db): $@" if $@;	4121	cf::cleanup "db_env_open(db): $@" if $@;
2886	};	4122	};
2887	}	4123	}
		4124
		4125	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4126	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4127	};
		4128	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4129	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4130	};
		4131	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4132	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4133	};
2888	}	4134	}
2889		4135
2890	{	4136	{
		4137	# configure IO::AIO
		4138
2891	IO::AIO::min_parallel 8;	4139	IO::AIO::min_parallel 8;
2892
2893	undef $Coro::AIO::WATCHER;
2894	IO::AIO::max_poll_time $TICK * 0.1;	4140	IO::AIO::max_poll_time $TICK * 0.1;
2895	$AIO_POLL_WATCHER = Event->io (	4141	undef $AnyEvent::AIO::WATCHER;
2896	reentrant => 0,	4142	}
2897	data => WF_AUTOCANCEL,	4143
2898	fd => IO::AIO::poll_fileno,	4144	our $_log_backtrace;
2899	poll => 'r',	4145	our $_log_backtrace_last;
2900	prio => 6,	4146
2901	cb => \&IO::AIO::poll_cb,	4147	sub _log_backtrace {
2902	);	4148	my ($msg, @addr) = @_;
		4149
		4150	$msg =~ s/\n$//;
		4151
		4152	if ($_log_backtrace_last eq $msg) {
		4153	LOG llevInfo, "[ABT] $msg\n";
		4154	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4155	# limit the # of concurrent backtraces
		4156	} elsif ($_log_backtrace < 2) {
		4157	$_log_backtrace_last = $msg;
		4158	++$_log_backtrace;
		4159	my $perl_bt = Carp::longmess $msg;
		4160	async {
		4161	$Coro::current->{desc} = "abt $msg";
		4162
		4163	my @bt = fork_call {
		4164	@addr = map { sprintf "%x", $_ } @addr;
		4165	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4166	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4167	or die "addr2line: $!";
		4168
		4169	my @funcs;
		4170	my @res = <$fh>;
		4171	chomp for @res;
		4172	while (@res) {
		4173	my ($func, $line) = splice @res, 0, 2, ();
		4174	push @funcs, "[$func] $line";
		4175	}
		4176
		4177	@funcs
		4178	};
		4179
		4180	LOG llevInfo, "[ABT] $perl_bt\n";
		4181	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4182	LOG llevInfo, "[ABT] $_\n" for @bt;
		4183	--$_log_backtrace;
		4184	};
		4185	} else {
		4186	LOG llevInfo, "[ABT] $msg\n";
		4187	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4188	}
2903	}	4189	}
2904		4190
2905	# load additional modules	4191	# load additional modules
2906	use cf::pod;	4192	require "cf/$_.pm" for @EXTRA_MODULES;
		4193	cf::_connect_to_perl_2;
2907		4194
2908	END { cf::emergency_save }	4195	END { cf::emergency_save }
2909		4196
2910	1	4197	1
2911		4198

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