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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.231 by root, Wed Apr 4 00:02:06 2007 UTC vs.
Revision 1.466 by root, Thu Jan 8 03:03:24 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your 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 GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict qw(vars subs);
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
9	use Event;	31	use EV;
10	use Opcode;	32	use Opcode;
11	use Safe;	33	use Safe;
12	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
13		36
		37	use Guard ();
14	use Coro 3.52 ();	38	use Coro ();
15	use Coro::State;	39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
16	use Coro::Event;	42	use Coro::AnyEvent;
17	use Coro::Timer;	43	use Coro::Timer;
18	use Coro::Signal;	44	use Coro::Signal;
19	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
20	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
21		52
		53	use JSON::XS 2.01 ();
22	use BDB ();	54	use BDB ();
23	use Data::Dumper;	55	use Data::Dumper;
24	use Digest::MD5;	56	use Digest::MD5;
25	use Fcntl;	57	use Fcntl;
26	use YAML::Syck ();	58	use YAML ();
27	use IO::AIO 2.32 ();	59	use IO::AIO ();
28	use Time::HiRes;	60	use Time::HiRes;
29	use Compress::LZF;	61	use Compress::LZF;
		62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
30		65
31	# configure various modules to our taste	66	# configure various modules to our taste
32	#	67	#
		68	$Storable::canonical = 1; # reduce rsync transfers
33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
35
36	$Event::Eval = 1; # no idea why this is required, but it is
37
38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
39	$YAML::Syck::ImplicitUnicode = 1;
40
41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
42		76
43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
44		78
45	our %COMMAND = ();	79	our %COMMAND = ();
46	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
47		81
48	our @EXTS = (); # list of extension package names	82	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	83	our %EXTCMD = ();
		84	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	85	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	86	our %EXT_MAP = (); # pluggable maps
52		87
53	our $RELOAD; # number of reloads so far	88	our $RELOAD; # number of reloads so far, non-zero while in reload
54	our @EVENT;	89	our @EVENT;
55	our $LIBDIR = datadir . "/ext";
56		90
57	our $TICK = MAX_TIME * 1e-6;	91	our $CONFDIR = confdir;
58	our $TICK_WATCHER;	92	our $DATADIR = datadir;
59	our $AIO_POLL_WATCHER;	93	our $LIBDIR = "$DATADIR/ext";
		94	our $PODDIR = "$DATADIR/pod";
		95	our $MAPDIR = "$DATADIR/" . mapdir;
		96	our $LOCALDIR = localdir;
		97	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		98	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		99	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		100	our $RANDOMDIR = "$LOCALDIR/random";
		101	our $BDBDIR = "$LOCALDIR/db";
		102	our $PIDFILE = "$LOCALDIR/pid";
		103	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		104
		105	our %RESOURCE;
		106
		107	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	108	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	109	our $NEXT_TICK;
62	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off	110	our $USE_FSYNC = 1; # use fsync to write maps - default off
64		111
		112	our $BDB_DEADLOCK_WATCHER;
		113	our $BDB_CHECKPOINT_WATCHER;
65	our $BDB_POLL_WATCHER;	114	our $BDB_TRICKLE_WATCHER;
66	our $DB_ENV;	115	our $DB_ENV;
		116
		117	our @EXTRA_MODULES = qw(pod mapscript);
67		118
68	our %CFG;	119	our %CFG;
69		120
70	our $UPTIME; $UPTIME ||= time;	121	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;	122	our $RUNTIME;
		123	our $NOW;
72		124
73	our %PLAYER; # all users	125	our (%PLAYER, %PLAYER_LOADING); # all users
74	our %MAP; # all maps	126	our (%MAP, %MAP_LOADING ); # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	127	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		128
82	# used to convert map paths into valid unix filenames by replacing / by ∕	129	# used to convert map paths into valid unix filenames by replacing / by ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	130	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		131
		132	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		133	our $LOADAVG; # same thing, but with alpha-smoothing
		134	our $JITTER; # average jitter
		135	our $TICK_START; # for load detecting purposes
		136
		137	our @POST_INIT;
		138
		139	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
		140
85	binmode STDOUT;	141	binmode STDOUT;
86	binmode STDERR;	142	binmode STDERR;
87		143
88	# read virtual server time, if available	144	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	145	unless ($RUNTIME || !-e $RUNTIMEFILE) {
90	open my $fh, "<", cf::localdir . "/runtime"	146	open my $fh, "<", $RUNTIMEFILE
91	or die "unable to read runtime file: $!";	147	or die "unable to read $RUNTIMEFILE file: $!";
92	$RUNTIME = <$fh> + 0.;	148	$RUNTIME = <$fh> + 0.;
93	}	149	}
94		150
95	mkdir cf::localdir;	151	mkdir $_
96	mkdir cf::localdir . "/" . cf::playerdir;	152	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
97	mkdir cf::localdir . "/" . cf::tmpdir;
98	mkdir cf::localdir . "/" . cf::uniquedir;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		153
102	our $EMERGENCY_POSITION;	154	our $EMERGENCY_POSITION;
103		155
104	sub cf::map::normalise;	156	sub cf::map::normalise;
105		157
…		…
116	=item $cf::RUNTIME	168	=item $cf::RUNTIME
117		169
118	The time this server has run, starts at 0 and is increased by $cf::TICK on	170	The time this server has run, starts at 0 and is increased by $cf::TICK on
119	every server tick.	171	every server tick.
120		172
121	=item $cf::LIBDIR	173	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		174	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		175	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
122		176
123	The perl library directory, where extensions and cf-specific modules can	177	Various directories - "/etc", read-only install directory, perl-library
124	be found. It will be added to C<@INC> automatically.	178	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		179	unique-items directory, player file directory, random maps directory and
		180	database environment.
125		181
126	=item $cf::NOW	182	=item $cf::NOW
127		183
128	The time of the last (current) server tick.	184	The time of the last (current) server tick.
129		185
130	=item $cf::TICK	186	=item $cf::TICK
131		187
132	The interval between server ticks, in seconds.	188	The interval between server ticks, in seconds.
133		189
		190	=item $cf::LOADAVG
		191
		192	The current CPU load on the server (alpha-smoothed), as a value between 0
		193	(none) and 1 (overloaded), indicating how much time is spent on processing
		194	objects per tick. Healthy values are < 0.5.
		195
		196	=item $cf::LOAD
		197
		198	The raw value load value from the last tick.
		199
134	=item %cf::CFG	200	=item %cf::CFG
135		201
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	202	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
137	from wherever your confdir points to.	203	from wherever your confdir points to.
138		204
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	205	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		206
141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	207	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	208	returns directly I<after> the tick processing (and consequently, can only wake one process
143	processing has been done. Call C<< ->wait >> on them to maximise the	209	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
144	window of cpu time available, or simply to synchronise to the server tick.	210
		211	=item @cf::INVOKE_RESULTS
		212
		213	This array contains the results of the last C<invoke ()> call. When
		214	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		215	that call.
145		216
146	=back	217	=back
147		218
148	=cut	219	=cut
149		220
150	BEGIN {	221	BEGIN {
151	*CORE::GLOBAL::warn = sub {	222	*CORE::GLOBAL::warn = sub {
152	my $msg = join "", @_;	223	my $msg = join "", @_;
153	utf8::encode $msg;
154		224
155	$msg .= "\n"	225	$msg .= "\n"
156	unless $msg =~ /\n$/;	226	unless $msg =~ /\n$/;
157		227
		228	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		229
158	LOG llevError, $msg;	230	LOG llevError, $msg;
159	};	231	};
160	}	232	}
		233
		234	$Coro::State::DIEHOOK = sub {
		235	return unless $^S eq 0; # "eq", not "=="
		236
		237	if ($Coro::current == $Coro::main) {#d#
		238	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		239	return;#d#
		240	}#d#
		241
		242	# kill coroutine otherwise
		243	warn Carp::longmess $_[0];
		244	Coro::terminate
		245	};
		246
		247	$SIG{__DIE__} = sub { }; #d#?
161		248
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	249	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	250	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	251	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	252	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	253	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		254	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
167	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	255	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
168		256
169	# we bless all objects into (empty) derived classes to force a method lookup	257	# we bless all objects into (empty) derived classes to force a method lookup
170	# within the Safe compartment.	258	# within the Safe compartment.
171	for my $pkg (qw(	259	for my $pkg (qw(
172	cf::global cf::attachable	260	cf::global cf::attachable
173	cf::object cf::object::player	261	cf::object cf::object::player
174	cf::client cf::player	262	cf::client cf::player
175	cf::arch cf::living	263	cf::arch cf::living
		264	cf::map cf::mapspace
176	cf::map cf::party cf::region	265	cf::party cf::region
177	)) {	266	)) {
178	no strict 'refs';
179	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	267	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
180	}	268	}
181		269
182	$Event::DIED = sub {	270	$EV::DIED = sub {
183	warn "error in event callback: @_";	271	warn "error in event callback: @_";
184	};	272	};
		273
		274	#############################################################################
185		275
186	=head2 UTILITY FUNCTIONS	276	=head2 UTILITY FUNCTIONS
187		277
188	=over 4	278	=over 4
189		279
…		…
208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	298	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
209	$d	299	$d
210	} || "[unable to dump $_[0]: '$@']";	300	} || "[unable to dump $_[0]: '$@']";
211	}	301	}
212		302
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	303	=item $ref = cf::decode_json $json
216		304
217	Converts a JSON string into the corresponding perl data structure.	305	Converts a JSON string into the corresponding perl data structure.
218		306
219	=item $json = cf::to_json $ref	307	=item $json = cf::encode_json $ref
220		308
221	Converts a perl data structure into its JSON representation.	309	Converts a perl data structure into its JSON representation.
222		310
		311	=cut
		312
		313	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		314
		315	sub encode_json($) { $json_coder->encode ($_[0]) }
		316	sub decode_json($) { $json_coder->decode ($_[0]) }
		317
		318	=item cf::post_init { BLOCK }
		319
		320	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		321	but I<before> the server starts ticking again.
		322
		323	The cdoeblock will have a single boolean argument to indicate whether this
		324	is a reload or not.
		325
		326	=cut
		327
		328	sub post_init(&) {
		329	push @POST_INIT, shift;
		330	}
		331
223	=item cf::lock_wait $string	332	=item cf::lock_wait $string
224		333
225	Wait until the given lock is available. See cf::lock_acquire.	334	Wait until the given lock is available. See cf::lock_acquire.
226		335
227	=item my $lock = cf::lock_acquire $string	336	=item my $lock = cf::lock_acquire $string
228		337
229	Wait until the given lock is available and then acquires it and returns	338	Wait until the given lock is available and then acquires it and returns
230	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	339	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
231	for example when the coroutine gets canceled), the lock is automatically	340	for example when the coroutine gets canceled), the lock is automatically
232	returned.	341	returned.
233		342
		343	Locks are *not* recursive, locking from the same coro twice results in a
		344	deadlocked coro.
		345
234	Lock names should begin with a unique identifier (for example, cf::map::find	346	Lock names should begin with a unique identifier (for example, cf::map::find
235	uses map_find and cf::map::load uses map_load).	347	uses map_find and cf::map::load uses map_load).
236		348
237	=cut	349	=item $locked = cf::lock_active $string
238		350
239	our %LOCK;	351	Return true if the lock is currently active, i.e. somebody has locked it.
		352
		353	=cut
		354
		355	our $LOCKS = new Coro::SemaphoreSet;
240		356
241	sub lock_wait($) {	357	sub lock_wait($) {
242	my ($key) = @_;	358	$LOCKS->wait ($_[0]);
243
244	# wait for lock, if any
245	while ($LOCK{$key}) {
246	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;
248	}
249	}	359	}
250		360
251	sub lock_acquire($) {	361	sub lock_acquire($) {
252	my ($key) = @_;	362	$LOCKS->guard ($_[0])
		363	}
253		364
254	# wait, to be sure we are not locked	365	sub lock_active($) {
255	lock_wait $key;	366	$LOCKS->count ($_[0]) < 1
256
257	$LOCK{$key} = [];
258
259	Coro::guard {
260	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };
262	}
263	}	367	}
264		368
265	sub freeze_mainloop {	369	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	370	tick_inhibit_inc;
267		371
268	my $guard = Coro::guard {	372	&Guard::guard (\&tick_inhibit_dec);
269	$TICK_WATCHER->start;	373	}
		374
		375	=item cf::periodic $interval, $cb
		376
		377	Like EV::periodic, but randomly selects a starting point so that the actions
		378	get spread over timer.
		379
		380	=cut
		381
		382	sub periodic($$) {
		383	my ($interval, $cb) = @_;
		384
		385	my $start = rand List::Util::min 180, $interval;
		386
		387	EV::periodic $start, $interval, 0, $cb
		388	}
		389
		390	=item cf::get_slot $time[, $priority[, $name]]
		391
		392	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		393	This call blocks and returns only when you have at least C<$time> seconds
		394	of cpu time till the next tick. The slot is only valid till the next cede.
		395
		396	The optional C<$name> can be used to identify the job to run. It might be
		397	used for statistical purposes and should identify the same time-class.
		398
		399	Useful for short background jobs.
		400
		401	=cut
		402
		403	our @SLOT_QUEUE;
		404	our $SLOT_QUEUE;
		405
		406	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		407	$SLOT_QUEUE = Coro::async {
		408	$Coro::current->desc ("timeslot manager");
		409
		410	my $signal = new Coro::Signal;
		411
		412	while () {
		413	next_job:
		414	my $avail = cf::till_tick;
		415	if ($avail > 0.01) {
		416	for (0 .. $#SLOT_QUEUE) {
		417	if ($SLOT_QUEUE[$_][0] < $avail) {
		418	my $job = splice @SLOT_QUEUE, $_, 1, ();
		419	$job->[2]->send;
		420	Coro::cede;
		421	goto next_job;
		422	}
		423	}
		424	}
		425
		426	if (@SLOT_QUEUE) {
		427	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		428	push @cf::WAIT_FOR_TICK, $signal;
		429	$signal->wait;
		430	} else {
		431	Coro::schedule;
		432	}
270	};	433	}
271	$TICK_WATCHER->stop;	434	};
272	$guard	435
		436	sub get_slot($;$$) {
		437	return if tick_inhibit || $Coro::current == $Coro::main;
		438
		439	my ($time, $pri, $name) = @_;
		440
		441	$time = $TICK * .6 if $time > $TICK * .6;
		442	my $sig = new Coro::Signal;
		443
		444	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		445	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		446	$SLOT_QUEUE->ready;
		447	$sig->wait;
273	}	448	}
274		449
275	=item cf::async { BLOCK }	450	=item cf::async { BLOCK }
276		451
277	Currently the same as Coro::async_pool, meaning you cannot use	452	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		457
283	BEGIN { *async = \&Coro::async_pool }	458	BEGIN { *async = \&Coro::async_pool }
284		459
285	=item cf::sync_job { BLOCK }	460	=item cf::sync_job { BLOCK }
286		461
287	The design of crossfire+ requires that the main coro ($Coro::main) is	462	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	463	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	464	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		465	acceptable.
290		466
291	If it must be done, put the blocking parts into C<sync_job>. This will run	467	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	468	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	469	server will be frozen during this time, so the block should either finish
294	fast or be very important.	470	fast or be very important.
…		…
297		473
298	sub sync_job(&) {	474	sub sync_job(&) {
299	my ($job) = @_;	475	my ($job) = @_;
300		476
301	if ($Coro::current == $Coro::main) {	477	if ($Coro::current == $Coro::main) {
		478	my $time = EV::time;
		479
302	# this is the main coro, too bad, we have to block	480	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	481	# till the operation succeeds, freezing the server :/
304		482
305	# TODO: use suspend/resume instead	483	LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	484
307	my $freeze_guard = freeze_mainloop;	485	my $freeze_guard = freeze_mainloop;
308		486
309	my $busy = 1;	487	my $busy = 1;
310	my @res;	488	my @res;
311		489
312	(async {	490	(async {
		491	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	492	@res = eval { $job->() };
314	warn $@ if $@;	493	warn $@ if $@;
315	undef $busy;	494	undef $busy;
316	})->prio (Coro::PRIO_MAX);	495	})->prio (Coro::PRIO_MAX);
317		496
318	while ($busy) {	497	while ($busy) {
319	Coro::cede or Event::one_event;	498	if (Coro::nready) {
		499	Coro::cede_notself;
		500	} else {
		501	EV::loop EV::LOOP_ONESHOT;
320	}	502	}
		503	}
		504
		505	my $time = EV::time - $time;
		506
		507	$TICK_START += $time; # do not account sync jobs to server load
321		508
322	wantarray ? @res : $res[0]	509	wantarray ? @res : $res[0]
323	} else {	510	} else {
324	# we are in another coroutine, how wonderful, everything just works	511	# we are in another coroutine, how wonderful, everything just works
325		512
…		…
345	$EXT_CORO{$coro+0} = $coro;	532	$EXT_CORO{$coro+0} = $coro;
346		533
347	$coro	534	$coro
348	}	535	}
349		536
350	sub write_runtime {	537	=item fork_call { }, $args
351	my $guard = cf::lock_acquire "write_runtime";
352		538
353	my $runtime = cf::localdir . "/runtime";	539	Executes the given code block with the given arguments in a seperate
		540	process, returning the results. Everything must be serialisable with
		541	Coro::Storable. May, of course, block. Note that the executed sub may
		542	never block itself or use any form of event handling.
354		543
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	544	=cut
356	or return;
357		545
358	my $value = $cf::RUNTIME + 90 + 10;	546	sub fork_call(&@) {
359	# 10 is the runtime save interval, for a monotonic clock	547	my ($cb, @args) = @_;
360	# 60 allows for the watchdog to kill the server.
361		548
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	549	# we seemingly have to make a local copy of the whole thing,
363	and return;	550	# otherwise perl prematurely frees the stuff :/
		551	# TODO: investigate and fix (likely this will be rather laborious)
364		552
365	# always fsync - this file is important	553	my @res = Coro::Util::fork_eval {
366	aio_fsync $fh	554	reset_signals;
367	and return;	555	&$cb
		556	}, @args;
368		557
369	close $fh	558	wantarray ? @res : $res[-1]
370	or return;	559	}
371		560
372	aio_rename "$runtime~", $runtime	561	=item $coin = coin_from_name $name
373	and return;
374		562
		563	=cut
		564
		565	our %coin_alias = (
		566	"silver" => "silvercoin",
		567	"silvercoin" => "silvercoin",
		568	"silvercoins" => "silvercoin",
		569	"gold" => "goldcoin",
		570	"goldcoin" => "goldcoin",
		571	"goldcoins" => "goldcoin",
		572	"platinum" => "platinacoin",
		573	"platinumcoin" => "platinacoin",
		574	"platinumcoins" => "platinacoin",
		575	"platina" => "platinacoin",
		576	"platinacoin" => "platinacoin",
		577	"platinacoins" => "platinacoin",
		578	"royalty" => "royalty",
		579	"royalties" => "royalty",
		580	);
		581
		582	sub coin_from_name($) {
		583	$coin_alias{$_[0]}
		584	? cf::arch::find $coin_alias{$_[0]}
		585	: undef
		586	}
		587
		588	=item $value = cf::db_get $family => $key
		589
		590	Returns a single value from the environment database.
		591
		592	=item cf::db_put $family => $key => $value
		593
		594	Stores the given C<$value> in the family. It can currently store binary
		595	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		596
		597	=item $db = cf::db_table "name"
		598
		599	Create and/or open a new database table. The string must not be "db" and must be unique
		600	within each server.
		601
		602	=cut
		603
		604	sub db_table($) {
		605	my ($name) = @_;
		606	my $db = BDB::db_create $DB_ENV;
		607
		608	eval {
		609	$db->set_flags (BDB::CHKSUM);
		610
		611	utf8::encode $name;
		612	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		613	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		614	cf::cleanup "db_open(db): $!" if $!;
		615	};
		616	cf::cleanup "db_open(db): $@" if $@;
		617
		618	$db
		619	}
		620
		621	our $DB;
		622
		623	sub db_init {
		624	cf::sync_job {
		625	$DB ||= db_table "db";
		626	};
		627	}
		628
		629	sub db_get($$) {
		630	my $key = "$_[0]/$_[1]";
		631
		632	cf::sync_job {
		633	BDB::db_get $DB, undef, $key, my $data;
		634
		635	$! ? ()
		636	: $data
375	1	637	}
		638	}
		639
		640	sub db_put($$$) {
		641	BDB::dbreq_pri 4;
		642	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		643	}
		644
		645	=item cf::cache $id => [$paths...], $processversion => $process
		646
		647	Generic caching function that returns the value of the resource $id,
		648	caching and regenerating as required.
		649
		650	This function can block.
		651
		652	=cut
		653
		654	sub cache {
		655	my ($id, $src, $processversion, $process) = @_;
		656
		657	my $meta =
		658	join "\x00",
		659	$processversion,
		660	map {
		661	aio_stat $_
		662	and Carp::croak "$_: $!";
		663
		664	($_, (stat _)[7,9])
		665	} @$src;
		666
		667	my $dbmeta = db_get cache => "$id/meta";
		668	if ($dbmeta ne $meta) {
		669	# changed, we may need to process
		670
		671	my @data;
		672	my $md5;
		673
		674	for (0 .. $#$src) {
		675	0 <= aio_load $src->[$_], $data[$_]
		676	or Carp::croak "$src->[$_]: $!";
		677	}
		678
		679	# if processing is expensive, check
		680	# checksum first
		681	if (1) {
		682	$md5 =
		683	join "\x00",
		684	$processversion,
		685	map {
		686	cf::cede_to_tick;
		687	($src->[$_], Digest::MD5::md5_hex $data[$_])
		688	} 0.. $#$src;
		689
		690
		691	my $dbmd5 = db_get cache => "$id/md5";
		692	if ($dbmd5 eq $md5) {
		693	db_put cache => "$id/meta", $meta;
		694
		695	return db_get cache => "$id/data";
		696	}
		697	}
		698
		699	my $t1 = Time::HiRes::time;
		700	my $data = $process->(\@data);
		701	my $t2 = Time::HiRes::time;
		702
		703	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		704
		705	db_put cache => "$id/data", $data;
		706	db_put cache => "$id/md5" , $md5;
		707	db_put cache => "$id/meta", $meta;
		708
		709	return $data;
		710	}
		711
		712	db_get cache => "$id/data"
376	}	713	}
377		714
378	=item cf::datalog type => key => value, ...	715	=item cf::datalog type => key => value, ...
379		716
380	Log a datalog packet of the given type with the given key-value pairs.	717	Log a datalog packet of the given type with the given key-value pairs.
…		…
392		729
393	#############################################################################	730	#############################################################################
394		731
395	=head2 ATTACHABLE OBJECTS	732	=head2 ATTACHABLE OBJECTS
396		733
397	Many objects in crossfire are so-called attachable objects. That means you can	734	Many objects in deliantra are so-called attachable objects. That means you can
398	attach callbacks/event handlers (a collection of which is called an "attachment")	735	attach callbacks/event handlers (a collection of which is called an "attachment")
399	to it. All such attachable objects support the following methods.	736	to it. All such attachable objects support the following methods.
400		737
401	In the following description, CLASS can be any of C<global>, C<object>	738	In the following description, CLASS can be any of C<global>, C<object>
402	C<player>, C<client> or C<map> (i.e. the attachable objects in	739	C<player>, C<client> or C<map> (i.e. the attachable objects in
403	crossfire+).	740	Deliantra).
404		741
405	=over 4	742	=over 4
406		743
407	=item $attachable->attach ($attachment, key => $value...)	744	=item $attachable->attach ($attachment, key => $value...)
408		745
…		…
452	=item cf::CLASS::attachment $name, ...	789	=item cf::CLASS::attachment $name, ...
453		790
454	Register an attachment by C<$name> through which attachable objects of the	791	Register an attachment by C<$name> through which attachable objects of the
455	given CLASS can refer to this attachment.	792	given CLASS can refer to this attachment.
456		793
457	Some classes such as crossfire maps and objects can specify attachments	794	Some classes such as deliantra maps and objects can specify attachments
458	that are attached at load/instantiate time, thus the need for a name.	795	that are attached at load/instantiate time, thus the need for a name.
459		796
460	These calls expect any number of the following handler/hook descriptions:	797	These calls expect any number of the following handler/hook descriptions:
461		798
462	=over 4	799	=over 4
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	908	$registry = $CB_TYPE[$object_type] ||= [];
572		909
573	} elsif ($type eq "subtype") {	910	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	911	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	912	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	913	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		914
578	} elsif ($type eq "package") {	915	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	916	my $pkg = shift @arg;
580		917
581	while (my ($name, $id) = each %cb_id) {	918	while (my ($name, $id) = each %cb_id) {
…		…
610	_attach $registry, $klass, @attach;	947	_attach $registry, $klass, @attach;
611	}	948	}
612		949
613	$obj->{$name} = \%arg;	950	$obj->{$name} = \%arg;
614	} else {	951	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	952	warn "object uses attachment '$name' which is not available, postponing.\n";
616	}	953	}
617		954
618	$obj->{_attachment}{$name} = undef;	955	$obj->{_attachment}{$name} = undef;
619	}	956	}
620		957
…		…
622	if (ref $_[0]) {	959	if (ref $_[0]) {
623	_object_attach @_;	960	_object_attach @_;
624	} else {	961	} else {
625	_attach shift->_attach_registry, @_;	962	_attach shift->_attach_registry, @_;
626	}	963	}
		964	_recalc_want;
627	};	965	};
628		966
629	# all those should be optimised	967	# all those should be optimised
630	sub cf::attachable::detach {	968	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	969	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	972	delete $obj->{_attachment}{$name};
635	reattach ($obj);	973	reattach ($obj);
636	} else {	974	} else {
637	Carp::croak "cannot, currently, detach class attachments";	975	Carp::croak "cannot, currently, detach class attachments";
638	}	976	}
		977	_recalc_want;
639	};	978	};
640		979
641	sub cf::attachable::attached {	980	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	981	my ($obj, $name) = @_;
643		982
…		…
658	";	997	";
659	die if $@;	998	die if $@;
660	}	999	}
661		1000
662	our $override;	1001	our $override;
663	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1002	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
664		1003
665	sub override {	1004	sub override {
666	$override = 1;	1005	$override = 1;
667	@invoke_results = ();	1006	@INVOKE_RESULTS = (@_);
668	}	1007	}
669		1008
670	sub do_invoke {	1009	sub do_invoke {
671	my $event = shift;	1010	my $event = shift;
672	my $callbacks = shift;	1011	my $callbacks = shift;
673		1012
674	@invoke_results = ();	1013	@INVOKE_RESULTS = ();
675		1014
676	local $override;	1015	local $override;
677		1016
678	for (@$callbacks) {	1017	for (@$callbacks) {
679	eval { &{$_->[1]} };	1018	eval { &{$_->[1]} };
…		…
688	}	1027	}
689		1028
690	0	1029	0
691	}	1030	}
692		1031
693	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
694		1033
695	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1034	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
696		1035
697	Generate an object-specific event with the given arguments.	1036	Generate an object-specific event with the given arguments.
698		1037
699	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1038	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
700	removed in future versions), and there is no public API to access override	1039	removed in future versions), and there is no public API to access override
701	results (if you must, access C<@cf::invoke_results> directly).	1040	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		1041
703	=back	1042	=back
704		1043
705	=cut	1044	=cut
706		1045
707	#############################################################################	1046	#############################################################################
708	# object support	1047	# object support
		1048
		1049	sub _object_equal($$);
		1050	sub _object_equal($$) {
		1051	my ($a, $b) = @_;
		1052
		1053	return 0 unless (ref $a) eq (ref $b);
		1054
		1055	if ("HASH" eq ref $a) {
		1056	my @ka = keys %$a;
		1057	my @kb = keys %$b;
		1058
		1059	return 0 if @ka != @kb;
		1060
		1061	for (0 .. $#ka) {
		1062	return 0 unless $ka[$_] eq $kb[$_];
		1063	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1064	}
		1065
		1066	} elsif ("ARRAY" eq ref $a) {
		1067
		1068	return 0 if @$a != @$b;
		1069
		1070	for (0 .. $#$a) {
		1071	return 0 unless _object_equal $a->[$_], $b->[$_];
		1072	}
		1073
		1074	} elsif ($a ne $b) {
		1075	return 0;
		1076	}
		1077
		1078	1
		1079	}
		1080
		1081	our $SLOW_MERGES;#d#
		1082	sub _can_merge {
		1083	my ($ob1, $ob2) = @_;
		1084
		1085	++$SLOW_MERGES;#d#
		1086
		1087	# we do the slow way here
		1088	return _object_equal $ob1, $ob2
		1089	}
709		1090
710	sub reattach {	1091	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	1092	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	1093	my ($obj) = @_;
713		1094
		1095	# no longer needed after getting rid of delete_package?
714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1096	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
715		1097
716	my $registry = $obj->registry;	1098	my $registry = $obj->registry;
717		1099
718	@$registry = ();	1100	@$registry = ();
719		1101
…		…
734	cf::attachable->attach (	1116	cf::attachable->attach (
735	prio => -1000000,	1117	prio => -1000000,
736	on_instantiate => sub {	1118	on_instantiate => sub {
737	my ($obj, $data) = @_;	1119	my ($obj, $data) = @_;
738		1120
739	$data = from_json $data;	1121	$data = decode_json $data;
740		1122
741	for (@$data) {	1123	for (@$data) {
742	my ($name, $args) = @$_;	1124	my ($name, $args) = @$_;
743		1125
744	$obj->attach ($name, %{$args || {} });	1126	$obj->attach ($name, %{$args || {} });
…		…
760	sub object_freezer_save {	1142	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1143	my ($filename, $rdata, $objs) = @_;
762		1144
763	sync_job {	1145	sync_job {
764	if (length $$rdata) {	1146	if (length $$rdata) {
		1147	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1148	warn sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1149	$decname, length $$rdata, scalar @$objs;
767		1150
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1151	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1152	aio_chmod $fh, SAVE_MODE;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1153	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	aio_fsync $fh if $cf::USE_FSYNC;	1154	aio_fsync $fh if $cf::USE_FSYNC;
772	close $fh;	1155	aio_close $fh;
773		1156
774	if (@$objs) {	1157	if (@$objs) {
775	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1158	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
776	chmod SAVE_MODE, $fh;	1159	aio_chmod $fh, SAVE_MODE;
777	my $data = Storable::nfreeze { version => 1, objs => $objs };	1160	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
778	aio_write $fh, 0, (length $data), $data, 0;	1161	aio_write $fh, 0, (length $data), $data, 0;
779	aio_fsync $fh if $cf::USE_FSYNC;	1162	aio_fsync $fh if $cf::USE_FSYNC;
780	close $fh;	1163	aio_close $fh;
781	aio_rename "$filename.pst~", "$filename.pst";	1164	aio_rename "$filename.pst~", "$filename.pst";
782	}	1165	}
783	} else {	1166	} else {
784	aio_unlink "$filename.pst";	1167	aio_unlink "$filename.pst";
785	}	1168	}
786		1169
787	aio_rename "$filename~", $filename;	1170	aio_rename "$filename~", $filename;
		1171
		1172	$filename =~ s%/[^/]+$%%;
		1173	aio_pathsync $filename if $cf::USE_FSYNC;
788	} else {	1174	} else {
789	warn "FATAL: $filename~: $!\n";	1175	warn "unable to save objects: $filename~: $!\n";
790	}	1176	}
791	} else {	1177	} else {
792	aio_unlink $filename;	1178	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1179	aio_unlink "$filename.pst";
794	}	1180	}
795	}	1181	};
796	}	1182	}
797		1183
798	sub object_freezer_as_string {	1184	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1185	my ($rdata, $objs) = @_;
800		1186
…		…
812	or return;	1198	or return;
813		1199
814	unless (aio_stat "$filename.pst") {	1200	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1201	(aio_load "$filename.pst", $av) >= 0
816	or return;	1202	or return;
		1203
817	$av = eval { (Storable::thaw $av)->{objs} };	1204	my $st = eval { Coro::Storable::thaw $av };
		1205	$av = $st->{objs};
818	}	1206	}
819		1207
		1208	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1209	warn sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1210	$decname, length $data, scalar @{$av || []};
		1211
822	return ($data, $av);	1212	($data, $av)
823	}	1213	}
		1214
		1215	=head2 COMMAND CALLBACKS
		1216
		1217	=over 4
		1218
		1219	=cut
824		1220
825	#############################################################################	1221	#############################################################################
826	# command handling &c	1222	# command handling &c
827		1223
828	=item cf::register_command $name => \&callback($ob,$args);	1224	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1237	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1238	}
843		1239
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1240	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1241
846	Register a callbackf ro execution when the client sends an extcmd packet.	1242	Register a callback for execution when the client sends an (synchronous)
		1243	extcmd packet. Ext commands will be processed in the order they are
		1244	received by the server, like other user commands. The first argument is
		1245	the logged-in player. Ext commands can only be processed after a player
		1246	has logged in successfully.
847		1247
848	If the callback returns something, it is sent back as if reply was being	1248	If the callback returns something, it is sent back as if reply was being
849	called.	1249	called.
850		1250
		1251	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1252
		1253	Register a callback for execution when the client sends an (asynchronous)
		1254	exticmd packet. Exti commands are processed by the server as soon as they
		1255	are received, i.e. out of order w.r.t. other commands. The first argument
		1256	is a client socket. Exti commands can be received anytime, even before
		1257	log-in.
		1258
		1259	If the callback returns something, it is sent back as if reply was being
		1260	called.
		1261
851	=cut	1262	=cut
852		1263
853	sub register_extcmd {	1264	sub register_extcmd {
854	my ($name, $cb) = @_;	1265	my ($name, $cb) = @_;
855		1266
856	$EXTCMD{$name} = $cb;	1267	$EXTCMD{$name} = $cb;
857	}	1268	}
		1269
		1270	sub register_exticmd {
		1271	my ($name, $cb) = @_;
		1272
		1273	$EXTICMD{$name} = $cb;
		1274	}
		1275
		1276	use File::Glob ();
858		1277
859	cf::player->attach (	1278	cf::player->attach (
860	on_command => sub {	1279	on_command => sub {
861	my ($pl, $name, $params) = @_;	1280	my ($pl, $name, $params) = @_;
862		1281
…		…
870	cf::override;	1289	cf::override;
871	},	1290	},
872	on_extcmd => sub {	1291	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1292	my ($pl, $buf) = @_;
874		1293
875	my $msg = eval { from_json $buf };	1294	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1295
877	if (ref $msg) {	1296	if (ref $msg) {
		1297	my ($type, $reply, @payload) =
		1298	"ARRAY" eq ref $msg
		1299	? @$msg
		1300	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1301
		1302	my @reply;
		1303
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1304	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1305	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1306	}
		1307
		1308	$pl->ext_reply ($reply, @reply)
		1309	if $reply;
		1310
883	} else {	1311	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1312	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1313	}
886		1314
887	cf::override;	1315	cf::override;
888	},	1316	},
889	);	1317	);
890		1318
		1319	# "readahead" all extensions
891	sub load_extension {	1320	sub cache_extensions {
892	my ($path) = @_;	1321	my $grp = IO::AIO::aio_group;
893		1322
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1323	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
895	my $base = $1;	1324	for (grep /\.ext$/, @{$_[0]}) {
896	my $pkg = $1;	1325	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}	1326	}
919	die $@;
920	}	1327	};
921		1328
922	push @EXTS, $pkg;	1329	$grp
923	}	1330	}
924		1331
925	sub load_extensions {	1332	sub load_extensions {
		1333	cf::sync_job {
		1334	my %todo;
		1335
926	for my $ext (<$LIBDIR/*.ext>) {	1336	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1337	next unless -r $path;
928	eval {	1338
929	load_extension $ext;	1339	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1340	my $base = $1;
		1341	my $pkg = $1;
		1342	$pkg =~ s/[^[:word:]]/_/g;
		1343	$pkg = "ext::$pkg";
		1344
		1345	open my $fh, "<:utf8", $path
		1346	or die "$path: $!";
		1347
		1348	my $source = do { local $/; <$fh> };
		1349
		1350	my %ext = (
		1351	path => $path,
		1352	base => $base,
		1353	pkg => $pkg,
		1354	);
		1355
		1356	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1357	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1358
		1359	$ext{source} =
		1360	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1361	. "#line 1 \"$path\"\n{\n"
		1362	. $source
		1363	. "\n};\n1";
		1364
		1365	$todo{$base} = \%ext;
		1366	}
		1367
		1368	my %done;
		1369	while (%todo) {
		1370	my $progress;
		1371
		1372	while (my ($k, $v) = each %todo) {
		1373	for (split /,\s*/, $v->{meta}{depends}) {
		1374	goto skip
		1375	unless exists $done{$_};
		1376	}
		1377
		1378	warn "... loading '$k' into '$v->{pkg}'\n";
		1379
		1380	unless (eval $v->{source}) {
		1381	my $msg = $@ ? "$v->{path}: $@\n"
		1382	: "$v->{base}: extension inactive.\n";
		1383
		1384	if (exists $v->{meta}{mandatory}) {
		1385	warn $msg;
		1386	cf::cleanup "mandatory extension failed to load, exiting.";
		1387	}
		1388
		1389	warn $msg;
		1390	}
		1391
		1392	$done{$k} = delete $todo{$k};
		1393	push @EXTS, $v->{pkg};
		1394	$progress = 1;
930	1	1395	}
931	} or warn "$ext not loaded: $@";	1396
		1397	skip:
		1398	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1399	unless $progress;
		1400	}
932	}	1401	};
933	}	1402	}
934		1403
935	#############################################################################	1404	#############################################################################
936		1405
		1406	=back
		1407
937	=head2 CORE EXTENSIONS	1408	=head2 CORE EXTENSIONS
938		1409
939	Functions and methods that extend core crossfire objects.	1410	Functions and methods that extend core deliantra objects.
940		1411
941	=cut	1412	=cut
942		1413
943	package cf::player;	1414	package cf::player;
944		1415
…		…
946		1417
947	=head3 cf::player	1418	=head3 cf::player
948		1419
949	=over 4	1420	=over 4
950		1421
		1422	=item cf::player::num_playing
		1423
		1424	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1425
		1426	=cut
		1427
		1428	sub num_playing {
		1429	scalar grep
		1430	$_->ob->map
		1431	&& !$_->hidden
		1432	&& !$_->ob->flag (cf::FLAG_WIZ),
		1433	cf::player::list
		1434	}
		1435
951	=item cf::player::find $login	1436	=item cf::player::find $login
952		1437
953	Returns the given player object, loading it if necessary (might block).	1438	Returns the given player object, loading it if necessary (might block).
954		1439
955	=cut	1440	=cut
956		1441
957	sub playerdir($) {	1442	sub playerdir($) {
958	cf::localdir	1443	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1444	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1445	}
964		1446
965	sub path($) {	1447	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1448	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1449
968	(playerdir $login) . "/$login.pl"	1450	(playerdir $login) . "/playerdata"
969	}	1451	}
970		1452
971	sub find_active($) {	1453	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1454	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1455	and $cf::PLAYER{$_[0]}->active
…		…
976		1458
977	sub exists($) {	1459	sub exists($) {
978	my ($login) = @_;	1460	my ($login) = @_;
979		1461
980	$cf::PLAYER{$login}	1462	$cf::PLAYER{$login}
981	or cf::sync_job { !aio_stat path $login }	1463	or !aio_stat path $login
982	}	1464	}
983		1465
984	sub find($) {	1466	sub find($) {
985	return $cf::PLAYER{$_[0]} || do {	1467	return $cf::PLAYER{$_[0]} || do {
986	my $login = $_[0];	1468	my $login = $_[0];
987		1469
988	my $guard = cf::lock_acquire "user_find:$login";	1470	my $guard = cf::lock_acquire "user_find:$login";
989		1471
990	$cf::PLAYER{$_[0]} || do {	1472	$cf::PLAYER{$_[0]} || do {
991	my $pl = load_pl path $login	1473	# rename old playerfiles to new ones
		1474	#TODO: remove when no longer required
		1475	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1476	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1477	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1478	aio_unlink +(playerdir $login) . "/$login.pl";
		1479
		1480	my $f = new_from_file cf::object::thawer path $login
992	or return;	1481	or return;
		1482
		1483	my $pl = cf::player::load_pl $f
		1484	or return;
		1485
		1486	local $cf::PLAYER_LOADING{$login} = $pl;
		1487	$f->resolve_delayed_derefs;
993	$cf::PLAYER{$login} = $pl	1488	$cf::PLAYER{$login} = $pl
994	}	1489	}
995	}	1490	}
996	}	1491	}
997		1492
…		…
1006	return if $pl->{deny_save};	1501	return if $pl->{deny_save};
1007		1502
1008	aio_mkdir playerdir $pl, 0770;	1503	aio_mkdir playerdir $pl, 0770;
1009	$pl->{last_save} = $cf::RUNTIME;	1504	$pl->{last_save} = $cf::RUNTIME;
1010		1505
		1506	cf::get_slot 0.01;
		1507
1011	$pl->save_pl ($path);	1508	$pl->save_pl ($path);
1012	Coro::cede;	1509	cf::cede_to_tick;
1013	}	1510	}
1014		1511
1015	sub new($) {	1512	sub new($) {
1016	my ($login) = @_;	1513	my ($login) = @_;
1017		1514
…		…
1023	$cf::PLAYER{$login} = $self;	1520	$cf::PLAYER{$login} = $self;
1024		1521
1025	$self	1522	$self
1026	}	1523	}
1027		1524
		1525	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1526
		1527	=cut
		1528
		1529	sub send_msg {
		1530	my $ns = shift->ns
		1531	or return;
		1532	$ns->send_msg (@_);
		1533	}
		1534
1028	=item $pl->quit_character	1535	=item $pl->quit_character
1029		1536
1030	Nukes the player without looking back. If logged in, the connection will	1537	Nukes the player without looking back. If logged in, the connection will
1031	be destroyed. May block for a long time.	1538	be destroyed. May block for a long time.
1032		1539
…		…
1036	my ($pl) = @_;	1543	my ($pl) = @_;
1037		1544
1038	my $name = $pl->ob->name;	1545	my $name = $pl->ob->name;
1039		1546
1040	$pl->{deny_save} = 1;	1547	$pl->{deny_save} = 1;
1041	$pl->password ("*"); # this should lock out the player until we nuked the dir	1548	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1042		1549
1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1550	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1044	$pl->deactivate;	1551	$pl->deactivate;
		1552	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1553	$pl->ob->check_score;
1045	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1554	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1046	$pl->ns->destroy if $pl->ns;	1555	$pl->ns->destroy if $pl->ns;
1047		1556
1048	my $path = playerdir $pl;	1557	my $path = playerdir $pl;
1049	my $temp = "$path~$cf::RUNTIME~deleting~";	1558	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1079	while and may block, so not sync_job-capable, ever.	1588	while and may block, so not sync_job-capable, ever.
1080		1589
1081	=cut	1590	=cut
1082		1591
1083	sub list_logins {	1592	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1593	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1594	or return [];
1086		1595
1087	my @logins;	1596	my @logins;
1088		1597
1089	for my $login (@$dirs) {	1598	for my $login (@$dirs) {
		1599	my $path = path $login;
		1600
		1601	# a .pst is a dead give-away for a valid player
		1602	# if no pst file found, open and chekc for blocked users
		1603	if (aio_stat "$path.pst") {
1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1604	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1091	aio_read $fh, 0, 512, my $buf, 0 or next;	1605	aio_read $fh, 0, 512, my $buf, 0 or next;
1092	$buf !~ /^password -------------$/m or next; # official not-valid tag	1606	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1607	}
1093		1608
1094	utf8::decode $login;	1609	utf8::decode $login;
1095	push @logins, $login;	1610	push @logins, $login;
1096	}	1611	}
1097		1612
…		…
1124	}	1639	}
1125		1640
1126	\@paths	1641	\@paths
1127	}	1642	}
1128		1643
		1644	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1645
		1646	Expand deliantra pod fragments into protocol xml.
		1647
1129	=item $player->ext_reply ($msgid, %msg)	1648	=item $player->ext_reply ($msgid, @msg)
1130		1649
1131	Sends an ext reply to the player.	1650	Sends an ext reply to the player.
1132		1651
1133	=cut	1652	=cut
1134		1653
1135	sub ext_reply($$%) {	1654	sub ext_reply($$@) {
1136	my ($self, $id, %msg) = @_;	1655	my ($self, $id, @msg) = @_;
1137		1656
1138	$msg{msgid} = $id;	1657	$self->ns->ext_reply ($id, @msg)
1139
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1658	}
1142		1659
1143	=item $player->ext_event ($type, %msg)	1660	=item $player->ext_msg ($type, @msg)
1144		1661
1145	Sends an ext event to the client.	1662	Sends an ext event to the client.
1146		1663
1147	=cut	1664	=cut
1148		1665
1149	sub ext_event($$%) {	1666	sub ext_msg($$@) {
1150	my ($self, $type, %msg) = @_;	1667	my ($self, $type, @msg) = @_;
1151		1668
1152	delete $msg{msgid};	1669	$self->ns->ext_msg ($type, @msg);
1153	$msg{msgtype} = "event";
1154	$msg{eventtype} = $type;
1155
1156	$self->send ("ext " . cf::to_json \%msg);
1157	}	1670	}
1158		1671
1159	package cf;	1672	=head3 cf::region
		1673
		1674	=over 4
		1675
		1676	=cut
		1677
		1678	package cf::region;
		1679
		1680	=item cf::region::find_by_path $path
		1681
		1682	Tries to decuce the likely region for a map knowing only its path.
		1683
		1684	=cut
		1685
		1686	sub find_by_path($) {
		1687	my ($path) = @_;
		1688
		1689	my ($match, $specificity);
		1690
		1691	for my $region (list) {
		1692	if ($region->{match} && $path =~ $region->{match}) {
		1693	($match, $specificity) = ($region, $region->specificity)
		1694	if $region->specificity > $specificity;
		1695	}
		1696	}
		1697
		1698	$match
		1699	}
1160		1700
1161	=back	1701	=back
1162
1163		1702
1164	=head3 cf::map	1703	=head3 cf::map
1165		1704
1166	=over 4	1705	=over 4
1167		1706
…		…
1179	our $MAX_RESET = 3600;	1718	our $MAX_RESET = 3600;
1180	our $DEFAULT_RESET = 3000;	1719	our $DEFAULT_RESET = 3000;
1181		1720
1182	sub generate_random_map {	1721	sub generate_random_map {
1183	my ($self, $rmp) = @_;	1722	my ($self, $rmp) = @_;
		1723
		1724	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1725
1184	# mit "rum" bekleckern, nicht	1726	# mit "rum" bekleckern, nicht
1185	$self->_create_random_map (	1727	$self->_create_random_map (
1186	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1728	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1187	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1729	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1188	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1730	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1222	my ($self, $merge) = @_;	1764	my ($self, $merge) = @_;
1223		1765
1224	# we have to keep some variables in memory intact	1766	# we have to keep some variables in memory intact
1225	local $self->{path};	1767	local $self->{path};
1226	local $self->{load_path};	1768	local $self->{load_path};
1227	local $self->{deny_save};
1228	local $self->{deny_reset};
1229		1769
1230	$self->SUPER::thawer_merge ($merge);	1770	$self->SUPER::thawer_merge ($merge);
1231	}	1771	}
1232		1772
1233	sub normalise {	1773	sub normalise {
…		…
1280	$self->init; # pass $1 etc.	1820	$self->init; # pass $1 etc.
1281	return $self;	1821	return $self;
1282	}	1822	}
1283	}	1823	}
1284		1824
1285	Carp::carp "unable to resolve path '$path' (base '$base').";	1825	Carp::cluck "unable to resolve path '$path' (base '$base').";
1286	()	1826	()
1287	}	1827	}
1288		1828
1289	sub init {	1829	sub init {
1290	my ($self) = @_;	1830	my ($self) = @_;
…		…
1305		1845
1306	# the original (read-only) location	1846	# the original (read-only) location
1307	sub load_path {	1847	sub load_path {
1308	my ($self) = @_;	1848	my ($self) = @_;
1309		1849
1310	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1850	"$MAPDIR/$self->{path}.map"
1311	}	1851	}
1312		1852
1313	# the temporary/swap location	1853	# the temporary/swap location
1314	sub save_path {	1854	sub save_path {
1315	my ($self) = @_;	1855	my ($self) = @_;
1316		1856
1317	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1857	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1318	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1858	"$TMPDIR/$path.map"
1319	}	1859	}
1320		1860
1321	# the unique path, undef == no special unique path	1861	# the unique path, undef == no special unique path
1322	sub uniq_path {	1862	sub uniq_path {
1323	my ($self) = @_;	1863	my ($self) = @_;
1324		1864
1325	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1865	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1326	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1866	"$UNIQUEDIR/$path"
1327	}	1867	}
1328		1868
1329	# and all this just because we cannot iterate over	1869	sub decay_objects {
1330	# all maps in C++...
1331	sub change_all_map_light {
1332	my ($change) = @_;	1870	my ($self) = @_;
1333		1871
1334	$_->change_map_light ($change)	1872	return if $self->{deny_reset};
1335	for grep $_->outdoor, values %cf::MAP;	1873
		1874	$self->do_decay_objects;
1336	}	1875	}
1337		1876
1338	sub unlink_save {	1877	sub unlink_save {
1339	my ($self) = @_;	1878	my ($self) = @_;
1340		1879
…		…
1345		1884
1346	sub load_header_from($) {	1885	sub load_header_from($) {
1347	my ($self, $path) = @_;	1886	my ($self, $path) = @_;
1348		1887
1349	utf8::encode $path;	1888	utf8::encode $path;
1350	#aio_open $path, O_RDONLY, 0	1889	my $f = new_from_file cf::object::thawer $path
1351	# or return;
1352
1353	$self->_load_header ($path)
1354	or return;	1890	or return;
		1891
		1892	$self->_load_header ($f)
		1893	or return;
		1894
		1895	local $MAP_LOADING{$self->{path}} = $self;
		1896	$f->resolve_delayed_derefs;
1355		1897
1356	$self->{load_path} = $path;	1898	$self->{load_path} = $path;
1357		1899
1358	1	1900	1
1359	}	1901	}
…		…
1398	$self->load_header_orig	1940	$self->load_header_orig
1399	or return;	1941	or return;
1400	$self->prepare_orig;	1942	$self->prepare_orig;
1401	}	1943	}
1402		1944
		1945	$self->{deny_reset} = 1
		1946	if $self->no_reset;
		1947
		1948	$self->default_region (cf::region::find_by_path $self->{path})
		1949	unless $self->default_region;
		1950
1403	1	1951	1
1404	}	1952	}
1405		1953
1406	sub find;	1954	sub find;
1407	sub find {	1955	sub find {
1408	my ($path, $origin) = @_;	1956	my ($path, $origin) = @_;
1409		1957
1410	$path = normalise $path, $origin && $origin->path;	1958	$path = normalise $path, $origin && $origin->path;
1411		1959
		1960	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1412	cf::lock_wait "map_find:$path";	1961	my $guard2 = cf::lock_acquire "map_find:$path";
1413		1962
1414	$cf::MAP{$path} || do {	1963	$cf::MAP{$path} || do {
1415	my $guard = cf::lock_acquire "map_find:$path";
1416	my $map = new_from_path cf::map $path	1964	my $map = new_from_path cf::map $path
1417	or return;	1965	or return;
1418		1966
1419	$map->{last_save} = $cf::RUNTIME;	1967	$map->{last_save} = $cf::RUNTIME;
1420		1968
1421	$map->load_header	1969	$map->load_header
1422	or return;	1970	or return;
1423		1971
1424	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1972	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1425	# doing this can freeze the server in a sync job, obviously	1973	# doing this can freeze the server in a sync job, obviously
1426	#$cf::WAIT_FOR_TICK->wait;	1974	#$cf::WAIT_FOR_TICK->wait;
		1975	undef $guard2;
		1976	undef $guard1;
1427	$map->reset;	1977	$map->reset;
1428	undef $guard;
1429	return find $path;	1978	return find $path;
1430	}	1979	}
1431		1980
1432	$cf::MAP{$path} = $map	1981	$cf::MAP{$path} = $map
1433	}	1982	}
…		…
1440	my ($self) = @_;	1989	my ($self) = @_;
1441		1990
1442	local $self->{deny_reset} = 1; # loading can take a long time	1991	local $self->{deny_reset} = 1; # loading can take a long time
1443		1992
1444	my $path = $self->{path};	1993	my $path = $self->{path};
		1994
		1995	{
1445	my $guard = cf::lock_acquire "map_load:$path";	1996	my $guard = cf::lock_acquire "map_data:$path";
1446		1997
		1998	return unless $self->valid;
1447	return if $self->in_memory != cf::MAP_SWAPPED;	1999	return unless $self->in_memory == cf::MAP_SWAPPED;
1448		2000
1449	$self->in_memory (cf::MAP_LOADING);	2001	$self->in_memory (cf::MAP_LOADING);
1450		2002
1451	$self->alloc;	2003	$self->alloc;
1452		2004
1453	$self->pre_load;	2005	$self->pre_load;
		2006	cf::cede_to_tick;
1454		2007
1455	$self->_load_objects ($self->{load_path}, 1)	2008	my $f = new_from_file cf::object::thawer $self->{load_path};
		2009	$f->skip_block;
		2010	$self->_load_objects ($f)
1456	or return;	2011	or return;
1457		2012
1458	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2013	$self->post_load_original
1459	if delete $self->{load_original};	2014	if delete $self->{load_original};
1460		2015
1461	if (my $uniq = $self->uniq_path) {	2016	if (my $uniq = $self->uniq_path) {
1462	utf8::encode $uniq;	2017	utf8::encode $uniq;
1463	if (aio_open $uniq, O_RDONLY, 0) {	2018	unless (aio_stat $uniq) {
		2019	if (my $f = new_from_file cf::object::thawer $uniq) {
1464	$self->clear_unique_items;	2020	$self->clear_unique_items;
1465	$self->_load_objects ($uniq, 0);	2021	$self->_load_objects ($f);
		2022	$f->resolve_delayed_derefs;
		2023	}
1466	}	2024	}
1467	}	2025	}
1468		2026
1469	Coro::cede;	2027	$f->resolve_delayed_derefs;
1470		2028
		2029	cf::cede_to_tick;
1471	# now do the right thing for maps	2030	# now do the right thing for maps
1472	$self->link_multipart_objects;	2031	$self->link_multipart_objects;
1473
1474	unless ($self->{deny_activate}) {
1475	$self->decay_objects;
1476	$self->fix_auto_apply;
1477	$self->update_buttons;
1478	Coro::cede;
1479	$self->set_darkness_map;
1480	$self->difficulty ($self->estimate_difficulty)	2032	$self->difficulty ($self->estimate_difficulty)
1481	unless $self->difficulty;	2033	unless $self->difficulty;
1482	Coro::cede;	2034	cf::cede_to_tick;
		2035
		2036	unless ($self->{deny_activate}) {
		2037	$self->decay_objects;
		2038	$self->fix_auto_apply;
		2039	$self->update_buttons;
		2040	cf::cede_to_tick;
1483	$self->activate;	2041	$self->activate;
		2042	}
		2043
		2044	$self->{last_save} = $cf::RUNTIME;
		2045	$self->last_access ($cf::RUNTIME);
		2046
		2047	$self->in_memory (cf::MAP_ACTIVE);
1484	}	2048	}
1485		2049
1486	$self->post_load;	2050	$self->post_load;
1487
1488	$self->in_memory (cf::MAP_IN_MEMORY);
1489	}	2051	}
1490		2052
1491	sub customise_for {	2053	sub customise_for {
1492	my ($self, $ob) = @_;	2054	my ($self, $ob) = @_;
1493		2055
1494	return find "~" . $ob->name . "/" . $self->{path}	2056	return find "~" . $ob->name . "/" . $self->{path}
1495	if $self->per_player;	2057	if $self->per_player;
1496		2058
		2059	# return find "?party/" . $ob->name . "/" . $self->{path}
		2060	# if $self->per_party;
		2061
1497	$self	2062	$self
1498	}	2063	}
1499		2064
1500	# find and load all maps in the 3x3 area around a map	2065	# find and load all maps in the 3x3 area around a map
1501	sub load_diag {	2066	sub load_neighbours {
1502	my ($map) = @_;	2067	my ($map) = @_;
1503		2068
1504	my @diag; # diagonal neighbours	2069	my @neigh; # diagonal neighbours
1505		2070
1506	for (0 .. 3) {	2071	for (0 .. 3) {
1507	my $neigh = $map->tile_path ($_)	2072	my $neigh = $map->tile_path ($_)
1508	or next;	2073	or next;
1509	$neigh = find $neigh, $map	2074	$neigh = find $neigh, $map
1510	or next;	2075	or next;
1511	$neigh->load;	2076	$neigh->load;
1512		2077
		2078	push @neigh,
1513	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2079	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1514	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2080	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1515	}	2081	}
1516		2082
1517	for (@diag) {	2083	for (grep defined $_->[0], @neigh) {
		2084	my ($path, $origin) = @$_;
1518	my $neigh = find @$_	2085	my $neigh = find $path, $origin
1519	or next;	2086	or next;
1520	$neigh->load;	2087	$neigh->load;
1521	}	2088	}
1522	}	2089	}
1523		2090
…		…
1528	}	2095	}
1529		2096
1530	sub do_load_sync {	2097	sub do_load_sync {
1531	my ($map) = @_;	2098	my ($map) = @_;
1532		2099
		2100	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2101	if $Coro::current == $Coro::main;
		2102
1533	cf::sync_job { $map->load };	2103	cf::sync_job { $map->load };
1534	}	2104	}
1535		2105
1536	our %MAP_PREFETCH;	2106	our %MAP_PREFETCH;
1537	our $MAP_PREFETCHER = undef;	2107	our $MAP_PREFETCHER = undef;
1538		2108
1539	sub find_async {	2109	sub find_async {
1540	my ($path, $origin) = @_;	2110	my ($path, $origin, $load) = @_;
1541		2111
1542	$path = normalise $path, $origin && $origin->{path};	2112	$path = normalise $path, $origin && $origin->{path};
1543		2113
1544	if (my $map = $cf::MAP{$path}) {	2114	if (my $map = $cf::MAP{$path}) {
1545	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2115	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1546	}	2116	}
1547		2117
1548	undef $MAP_PREFETCH{$path};	2118	$MAP_PREFETCH{$path} |= $load;
		2119
1549	$MAP_PREFETCHER ||= cf::async {	2120	$MAP_PREFETCHER ||= cf::async {
		2121	$Coro::current->{desc} = "map prefetcher";
		2122
1550	while (%MAP_PREFETCH) {	2123	while (%MAP_PREFETCH) {
1551	for my $path (keys %MAP_PREFETCH) {	2124	while (my ($k, $v) = each %MAP_PREFETCH) {
1552	my $map = find $path	2125	if (my $map = find $k) {
1553	or next;
1554	$map->load;	2126	$map->load if $v;
		2127	}
1555		2128
1556	delete $MAP_PREFETCH{$path};	2129	delete $MAP_PREFETCH{$k};
1557	}	2130	}
1558	}	2131	}
1559	undef $MAP_PREFETCHER;	2132	undef $MAP_PREFETCHER;
1560	};	2133	};
1561	$MAP_PREFETCHER->prio (6);	2134	$MAP_PREFETCHER->prio (6);
…		…
1564	}	2137	}
1565		2138
1566	sub save {	2139	sub save {
1567	my ($self) = @_;	2140	my ($self) = @_;
1568		2141
1569	my $lock = cf::lock_acquire "map_data:" . $self->path;	2142	my $lock = cf::lock_acquire "map_data:$self->{path}";
1570		2143
1571	$self->{last_save} = $cf::RUNTIME;	2144	$self->{last_save} = $cf::RUNTIME;
1572		2145
1573	return unless $self->dirty;	2146	return unless $self->dirty;
1574		2147
…		…
1580	return if $self->{deny_save};	2153	return if $self->{deny_save};
1581		2154
1582	local $self->{last_access} = $self->last_access;#d#	2155	local $self->{last_access} = $self->last_access;#d#
1583		2156
1584	cf::async {	2157	cf::async {
		2158	$Coro::current->{desc} = "map player save";
1585	$_->contr->save for $self->players;	2159	$_->contr->save for $self->players;
1586	};	2160	};
		2161
		2162	cf::get_slot 0.02;
1587		2163
1588	if ($uniq) {	2164	if ($uniq) {
1589	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2165	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1590	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2166	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1591	} else {	2167	} else {
…		…
1597	my ($self) = @_;	2173	my ($self) = @_;
1598		2174
1599	# save first because save cedes	2175	# save first because save cedes
1600	$self->save;	2176	$self->save;
1601		2177
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;	2178	my $lock = cf::lock_acquire "map_data:$self->{path}";
1603		2179
1604	return if $self->players;	2180	return if $self->players;
1605	return if $self->in_memory != cf::MAP_IN_MEMORY;	2181	return if $self->in_memory != cf::MAP_ACTIVE;
1606	return if $self->{deny_save};	2182	return if $self->{deny_save};
1607		2183
		2184	$self->in_memory (cf::MAP_SWAPPED);
		2185
		2186	$self->deactivate;
		2187	$_->clear_links_to ($self) for values %cf::MAP;
1608	$self->clear;	2188	$self->clear;
1609	$self->in_memory (cf::MAP_SWAPPED);
1610	}	2189	}
1611		2190
1612	sub reset_at {	2191	sub reset_at {
1613	my ($self) = @_;	2192	my ($self) = @_;
1614		2193
1615	# TODO: safety, remove and allow resettable per-player maps	2194	# TODO: safety, remove and allow resettable per-player maps
1616	return 1e99 if $self->isa ("ext::map_per_player");#d#
1617	return 1e99 if $self->{deny_reset};	2195	return 1e99 if $self->{deny_reset};
1618		2196
1619	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2197	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1620	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2198	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1621		2199
…		…
1632	my ($self) = @_;	2210	my ($self) = @_;
1633		2211
1634	my $lock = cf::lock_acquire "map_data:$self->{path}";	2212	my $lock = cf::lock_acquire "map_data:$self->{path}";
1635		2213
1636	return if $self->players;	2214	return if $self->players;
1637	return if $self->isa ("ext::map_per_player");#d#
1638		2215
1639	warn "resetting map ", $self->path;#d#	2216	warn "resetting map ", $self->path;
1640		2217
1641	$self->in_memory (cf::MAP_SWAPPED);	2218	$self->in_memory (cf::MAP_SWAPPED);
1642		2219
1643	# need to save uniques path	2220	# need to save uniques path
1644	unless ($self->{deny_save}) {	2221	unless ($self->{deny_save}) {
…		…
1648	if $uniq;	2225	if $uniq;
1649	}	2226	}
1650		2227
1651	delete $cf::MAP{$self->path};	2228	delete $cf::MAP{$self->path};
1652		2229
		2230	$self->deactivate;
		2231	$_->clear_links_to ($self) for values %cf::MAP;
1653	$self->clear;	2232	$self->clear;
1654
1655	$_->clear_links_to ($self) for values %cf::MAP;
1656		2233
1657	$self->unlink_save;	2234	$self->unlink_save;
1658	$self->destroy;	2235	$self->destroy;
1659	}	2236	}
1660		2237
1661	my $nuke_counter = "aaaa";	2238	my $nuke_counter = "aaaa";
1662		2239
1663	sub nuke {	2240	sub nuke {
1664	my ($self) = @_;	2241	my ($self) = @_;
1665		2242
		2243	{
		2244	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2245
1666	delete $cf::MAP{$self->path};	2246	delete $cf::MAP{$self->path};
1667		2247
1668	$self->unlink_save;	2248	$self->unlink_save;
1669		2249
1670	bless $self, "cf::map";	2250	bless $self, "cf::map";
1671	delete $self->{deny_reset};	2251	delete $self->{deny_reset};
1672	$self->{deny_save} = 1;	2252	$self->{deny_save} = 1;
1673	$self->reset_timeout (1);	2253	$self->reset_timeout (1);
1674	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2254	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1675		2255
1676	$cf::MAP{$self->path} = $self;	2256	$cf::MAP{$self->path} = $self;
		2257	}
1677		2258
1678	$self->reset; # polite request, might not happen	2259	$self->reset; # polite request, might not happen
		2260	}
		2261
		2262	=item $maps = cf::map::tmp_maps
		2263
		2264	Returns an arrayref with all map paths of currently instantiated and saved
		2265	maps. May block.
		2266
		2267	=cut
		2268
		2269	sub tmp_maps() {
		2270	[
		2271	map {
		2272	utf8::decode $_;
		2273	/\.map$/
		2274	? normalise $_
		2275	: ()
		2276	} @{ aio_readdir $TMPDIR or [] }
		2277	]
		2278	}
		2279
		2280	=item $maps = cf::map::random_maps
		2281
		2282	Returns an arrayref with all map paths of currently instantiated and saved
		2283	random maps. May block.
		2284
		2285	=cut
		2286
		2287	sub random_maps() {
		2288	[
		2289	map {
		2290	utf8::decode $_;
		2291	/\.map$/
		2292	? normalise "?random/$_"
		2293	: ()
		2294	} @{ aio_readdir $RANDOMDIR or [] }
		2295	]
1679	}	2296	}
1680		2297
1681	=item cf::map::unique_maps	2298	=item cf::map::unique_maps
1682		2299
1683	Returns an arrayref of paths of all shared maps that have	2300	Returns an arrayref of paths of all shared maps that have
1684	instantiated unique items. May block.	2301	instantiated unique items. May block.
1685		2302
1686	=cut	2303	=cut
1687		2304
1688	sub unique_maps() {	2305	sub unique_maps() {
1689	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2306	[
1690	or return;	2307	map {
1691
1692	my @paths;
1693
1694	for (@$files) {
1695	utf8::decode $_;	2308	utf8::decode $_;
1696	next if /\.pst$/;	2309	s/\.map$//; # TODO future compatibility hack
1697	next unless /^$PATH_SEP/o;	2310	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1698		2311	? ()
1699	push @paths, cf::map::normalise $_;	2312	: normalise $_
		2313	} @{ aio_readdir $UNIQUEDIR or [] }
1700	}	2314	]
1701
1702	\@paths
1703	}	2315	}
1704
1705	package cf;
1706		2316
1707	=back	2317	=back
1708		2318
1709	=head3 cf::object	2319	=head3 cf::object
1710		2320
…		…
1714		2324
1715	=over 4	2325	=over 4
1716		2326
1717	=item $ob->inv_recursive	2327	=item $ob->inv_recursive
1718		2328
1719	Returns the inventory of the object _and_ their inventories, recursively.	2329	Returns the inventory of the object I<and> their inventories, recursively,
		2330	but I<not> the object itself.
1720		2331
1721	=cut	2332	=cut
1722		2333
1723	sub inv_recursive_;	2334	sub inv_recursive_;
1724	sub inv_recursive_ {	2335	sub inv_recursive_ {
…		…
1727		2338
1728	sub inv_recursive {	2339	sub inv_recursive {
1729	inv_recursive_ inv $_[0]	2340	inv_recursive_ inv $_[0]
1730	}	2341	}
1731		2342
		2343	=item $ref = $ob->ref
		2344
		2345	Creates and returns a persistent reference to an object that can be stored as a string.
		2346
		2347	=item $ob = cf::object::deref ($refstring)
		2348
		2349	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2350	even if the object actually exists. May block.
		2351
		2352	=cut
		2353
		2354	sub deref {
		2355	my ($ref) = @_;
		2356
		2357	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2358	my ($uuid, $name) = ($1, $2);
		2359	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2360	or return;
		2361	$pl->ob->uuid eq $uuid
		2362	or return;
		2363
		2364	$pl->ob
		2365	} else {
		2366	warn "$ref: cannot resolve object reference\n";
		2367	undef
		2368	}
		2369	}
		2370
1732	package cf;	2371	package cf;
1733		2372
1734	=back	2373	=back
1735		2374
1736	=head3 cf::object::player	2375	=head3 cf::object::player
…		…
1742	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2381	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1743	can be C<undef>. Does the right thing when the player is currently in a	2382	can be C<undef>. Does the right thing when the player is currently in a
1744	dialogue with the given NPC character.	2383	dialogue with the given NPC character.
1745		2384
1746	=cut	2385	=cut
		2386
		2387	our $SAY_CHANNEL = {
		2388	id => "say",
		2389	title => "Map",
		2390	reply => "say ",
		2391	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2392	};
		2393
		2394	our $CHAT_CHANNEL = {
		2395	id => "chat",
		2396	title => "Chat",
		2397	reply => "chat ",
		2398	tooltip => "Player chat and shouts, global to the server.",
		2399	};
1747		2400
1748	# rough implementation of a future "reply" method that works	2401	# rough implementation of a future "reply" method that works
1749	# with dialog boxes.	2402	# with dialog boxes.
1750	#TODO: the first argument must go, split into a $npc->reply_to ( method	2403	#TODO: the first argument must go, split into a $npc->reply_to ( method
1751	sub cf::object::player::reply($$$;$) {	2404	sub cf::object::player::reply($$$;$) {
…		…
1753		2406
1754	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2407	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1755		2408
1756	if ($self->{record_replies}) {	2409	if ($self->{record_replies}) {
1757	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2410	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2411
1758	} else {	2412	} else {
		2413	my $pl = $self->contr;
		2414
		2415	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2416	my $dialog = $pl->{npc_dialog};
		2417	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2418
		2419	} else {
1759	$msg = $npc->name . " says: $msg" if $npc;	2420	$msg = $npc->name . " says: $msg" if $npc;
1760	$self->message ($msg, $flags);	2421	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2422	}
1761	}	2423	}
		2424	}
		2425
		2426	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2427
		2428	=cut
		2429
		2430	sub cf::object::send_msg {
		2431	my $pl = shift->contr
		2432	or return;
		2433	$pl->send_msg (@_);
1762	}	2434	}
1763		2435
1764	=item $player_object->may ("access")	2436	=item $player_object->may ("access")
1765		2437
1766	Returns wether the given player is authorized to access resource "access"	2438	Returns wether the given player is authorized to access resource "access"
…		…
1779		2451
1780	=item $player_object->enter_link	2452	=item $player_object->enter_link
1781		2453
1782	Freezes the player and moves him/her to a special map (C<{link}>).	2454	Freezes the player and moves him/her to a special map (C<{link}>).
1783		2455
1784	The player should be reasonably safe there for short amounts of time. You	2456	The player should be reasonably safe there for short amounts of time (e.g.
1785	I<MUST> call C<leave_link> as soon as possible, though.	2457	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2458	though, as the palyer cannot control the character while it is on the link
		2459	map.
1786		2460
1787	Will never block.	2461	Will never block.
1788		2462
1789	=item $player_object->leave_link ($map, $x, $y)	2463	=item $player_object->leave_link ($map, $x, $y)
1790		2464
…		…
1813	$self->deactivate_recursive;	2487	$self->deactivate_recursive;
1814		2488
1815	return if UNIVERSAL::isa $self->map, "ext::map_link";	2489	return if UNIVERSAL::isa $self->map, "ext::map_link";
1816		2490
1817	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2491	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1818	if $self->map;	2492	if $self->map && $self->map->{path} ne "{link}";
1819		2493
1820	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2494	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1821	}	2495	}
1822		2496
1823	sub cf::object::player::leave_link {	2497	sub cf::object::player::leave_link {
1824	my ($self, $map, $x, $y) = @_;	2498	my ($self, $map, $x, $y) = @_;
		2499
		2500	return unless $self->contr->active;
1825		2501
1826	my $link_pos = delete $self->{_link_pos};	2502	my $link_pos = delete $self->{_link_pos};
1827		2503
1828	unless ($map) {	2504	unless ($map) {
1829	# restore original map position	2505	# restore original map position
…		…
1843	# use -1 or undef as default coordinates, not 0, 0	2519	# use -1 or undef as default coordinates, not 0, 0
1844	($x, $y) = ($map->enter_x, $map->enter_y)	2520	($x, $y) = ($map->enter_x, $map->enter_y)
1845	if $x <=0 && $y <= 0;	2521	if $x <=0 && $y <= 0;
1846		2522
1847	$map->load;	2523	$map->load;
1848	$map->load_diag;	2524	$map->load_neighbours;
1849		2525
1850	return unless $self->contr->active;	2526	return unless $self->contr->active;
		2527	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1851	$self->activate_recursive;	2528	$self->activate_recursive;
1852		2529
1853	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2530	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1854	$self->enter_map ($map, $x, $y);	2531	$self->enter_map ($map, $x, $y);
1855	}	2532	}
1856		2533
1857	cf::player->attach (	2534	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1858	on_logout => sub {
1859	my ($pl) = @_;
1860		2535
1861	# abort map switching before logout	2536	Moves the player to the given map-path and coordinates by first freezing
1862	if ($pl->ob->{_link_pos}) {	2537	her, loading and preparing them map, calling the provided $check callback
1863	cf::sync_job {	2538	that has to return the map if sucecssful, and then unfreezes the player on
1864	$pl->ob->leave_link	2539	the new (success) or old (failed) map position. In either case, $done will
1865	};	2540	be called at the end of this process.
1866	}
1867	},
1868	on_login => sub {
1869	my ($pl) = @_;
1870		2541
1871	# try to abort aborted map switching on player login :)	2542	Note that $check will be called with a potentially non-loaded map, so if
1872	# should happen only on crashes	2543	it needs a loaded map it has to call C<< ->load >>.
1873	if ($pl->ob->{_link_pos}) {
1874	$pl->ob->enter_link;
1875	(async {
1876	$pl->ob->reply (undef,
1877	"There was an internal problem at your last logout, "
1878	. "the server will try to bring you to your intended destination in a second.",
1879	cf::NDI_RED);
1880	# we need this sleep as the login has a concurrent enter_exit running
1881	# and this sleep increases chances of the player not ending up in scorn
1882	Coro::Timer::sleep 1;
1883	$pl->ob->leave_link;
1884	})->prio (2);
1885	}
1886	},
1887	);
1888		2544
1889	=item $player_object->goto ($path, $x, $y)
1890
1891	=cut	2545	=cut
		2546
		2547	our $GOTOGEN;
1892		2548
1893	sub cf::object::player::goto {	2549	sub cf::object::player::goto {
1894	my ($self, $path, $x, $y) = @_;	2550	my ($self, $path, $x, $y, $check, $done) = @_;
		2551
		2552	# do generation counting so two concurrent goto's will be executed in-order
		2553	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1895		2554
1896	$self->enter_link;	2555	$self->enter_link;
1897		2556
1898	(async {	2557	(async {
		2558	$Coro::current->{desc} = "player::goto $path $x $y";
		2559
		2560	# *tag paths override both path and x|y
		2561	if ($path =~ /^\*(.*)$/) {
		2562	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2563	my $ob = $obs[rand @obs];
		2564
		2565	# see if we actually can go there
		2566	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2567	$ob = $obs[rand @obs];
		2568	} else {
		2569	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2570	}
		2571	# else put us there anyways for now #d#
		2572
		2573	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2574	} else {
		2575	($path, $x, $y) = (undef, undef, undef);
		2576	}
		2577	}
		2578
1899	my $map = eval {	2579	my $map = eval {
1900	my $map = cf::map::find $path;	2580	my $map = defined $path ? cf::map::find $path : undef;
		2581
		2582	if ($map) {
1901	$map = $map->customise_for ($self) if $map;	2583	$map = $map->customise_for ($self);
		2584	$map = $check->($map) if $check && $map;
		2585	} else {
		2586	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2587	}
		2588
1902	$map	2589	$map
		2590	};
		2591
		2592	if ($@) {
		2593	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2594	LOG llevError | logBacktrace, Carp::longmess $@;
1903	} or	2595	}
1904	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1905		2596
		2597	if ($gen == $self->{_goto_generation}) {
		2598	delete $self->{_goto_generation};
1906	$self->leave_link ($map, $x, $y);	2599	$self->leave_link ($map, $x, $y);
		2600	}
		2601
		2602	$done->() if $done;
1907	})->prio (1);	2603	})->prio (1);
1908	}	2604	}
1909		2605
1910	=item $player_object->enter_exit ($exit_object)	2606	=item $player_object->enter_exit ($exit_object)
1911		2607
…		…
1931	}	2627	}
1932		2628
1933	sub prepare_random_map {	2629	sub prepare_random_map {
1934	my ($exit) = @_;	2630	my ($exit) = @_;
1935		2631
1936	my $guard = cf::lock_acquire "exit_prepare:$exit";
1937
1938	# all this does is basically replace the /! path by	2632	# all this does is basically replace the /! path by
1939	# a new random map path (?random/...) with a seed	2633	# a new random map path (?random/...) with a seed
1940	# that depends on the exit object	2634	# that depends on the exit object
1941		2635
1942	my $rmp = parse_random_map_params $exit->msg;	2636	my $rmp = parse_random_map_params $exit->msg;
…		…
1944	if ($exit->map) {	2638	if ($exit->map) {
1945	$rmp->{region} = $exit->region->name;	2639	$rmp->{region} = $exit->region->name;
1946	$rmp->{origin_map} = $exit->map->path;	2640	$rmp->{origin_map} = $exit->map->path;
1947	$rmp->{origin_x} = $exit->x;	2641	$rmp->{origin_x} = $exit->x;
1948	$rmp->{origin_y} = $exit->y;	2642	$rmp->{origin_y} = $exit->y;
		2643
		2644	$exit->map->touch;
1949	}	2645	}
1950		2646
1951	$rmp->{random_seed} ||= $exit->random_seed;	2647	$rmp->{random_seed} ||= $exit->random_seed;
1952		2648
1953	my $data = cf::to_json $rmp;	2649	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1954	my $md5 = Digest::MD5::md5_hex $data;	2650	my $md5 = Digest::MD5::md5_hex $data;
1955	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2651	my $meta = "$RANDOMDIR/$md5.meta";
1956		2652
1957	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2653	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1958	aio_write $fh, 0, (length $data), $data, 0;	2654	aio_write $fh, 0, (length $data), $data, 0;
1959	undef $fh;	2655	undef $fh;
1960	aio_rename "$meta~", $meta;	2656	aio_rename "$meta~", $meta;
1961		2657
		2658	my $slaying = "?random/$md5";
		2659
		2660	if ($exit->valid) {
1962	$exit->slaying ("?random/$md5");	2661	$exit->slaying ("?random/$md5");
1963	$exit->msg (undef);	2662	$exit->msg (undef);
		2663	}
1964	}	2664	}
1965	}	2665	}
1966		2666
1967	sub cf::object::player::enter_exit {	2667	sub cf::object::player::enter_exit {
1968	my ($self, $exit) = @_;	2668	my ($self, $exit) = @_;
1969		2669
1970	return unless $self->type == cf::PLAYER;	2670	return unless $self->type == cf::PLAYER;
1971		2671
1972	if ($exit->slaying eq "/!") {
1973	#TODO: this should de-fi-ni-te-ly not be a sync-job
1974	cf::sync_job { prepare_random_map $exit };
1975	}
1976
1977	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1978	my $hp = $exit->stats->hp;
1979	my $sp = $exit->stats->sp;
1980
1981	$self->enter_link;	2672	$self->enter_link;
1982		2673
1983	(async {	2674	(async {
1984	$self->deactivate_recursive; # just to be sure	2675	$Coro::current->{desc} = "enter_exit";
		2676
1985	unless (eval {	2677	unless (eval {
		2678	$self->deactivate_recursive; # just to be sure
		2679
		2680	# random map handling
		2681	{
		2682	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2683
		2684	prepare_random_map $exit
		2685	if $exit->slaying eq "/!";
		2686	}
		2687
		2688	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2689	my $x = $exit->stats->hp;
		2690	my $y = $exit->stats->sp;
		2691
1986	$self->goto ($slaying, $hp, $sp);	2692	$self->goto ($map, $x, $y);
1987		2693
		2694	# if exit is damned, update players death & WoR home-position
		2695	$self->contr->savebed ($map, $x, $y)
		2696	if $exit->flag (cf::FLAG_DAMNED);
		2697
1988	1;	2698	1
1989	}) {	2699	}) {
1990	$self->message ("Something went wrong deep within the crossfire server. "	2700	$self->message ("Something went wrong deep within the deliantra server. "
1991	. "I'll try to bring you back to the map you were before. "	2701	. "I'll try to bring you back to the map you were before. "
1992	. "Please report this to the dungeon master!",	2702	. "Please report this to the dungeon master!",
1993	cf::NDI_UNIQUE | cf::NDI_RED);	2703	cf::NDI_UNIQUE | cf::NDI_RED);
1994		2704
1995	warn "ERROR in enter_exit: $@";	2705	warn "ERROR in enter_exit: $@";
1996	$self->leave_link;	2706	$self->leave_link;
1997	}	2707	}
1998	})->prio (1);	2708	})->prio (1);
…		…
2014		2724
2015	utf8::encode $text;	2725	utf8::encode $text;
2016	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2726	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2017	}	2727	}
2018		2728
		2729	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2730
		2731	Send a drawinfo or msg packet to the client, formatting the msg for the
		2732	client if neccessary. C<$type> should be a string identifying the type of
		2733	the message, with C<log> being the default. If C<$color> is negative, suppress
		2734	the message unless the client supports the msg packet.
		2735
		2736	=cut
		2737
		2738	# non-persistent channels (usually the info channel)
		2739	our %CHANNEL = (
		2740	"c/identify" => {
		2741	id => "infobox",
		2742	title => "Identify",
		2743	reply => undef,
		2744	tooltip => "Items recently identified",
		2745	},
		2746	"c/examine" => {
		2747	id => "infobox",
		2748	title => "Examine",
		2749	reply => undef,
		2750	tooltip => "Signs and other items you examined",
		2751	},
		2752	"c/book" => {
		2753	id => "infobox",
		2754	title => "Book",
		2755	reply => undef,
		2756	tooltip => "The contents of a note or book",
		2757	},
		2758	"c/lookat" => {
		2759	id => "infobox",
		2760	title => "Look",
		2761	reply => undef,
		2762	tooltip => "What you saw there",
		2763	},
		2764	"c/who" => {
		2765	id => "infobox",
		2766	title => "Players",
		2767	reply => undef,
		2768	tooltip => "Shows players who are currently online",
		2769	},
		2770	"c/body" => {
		2771	id => "infobox",
		2772	title => "Body Parts",
		2773	reply => undef,
		2774	tooltip => "Shows which body parts you posess and are available",
		2775	},
		2776	"c/statistics" => {
		2777	id => "infobox",
		2778	title => "Statistics",
		2779	reply => undef,
		2780	tooltip => "Shows your primary statistics",
		2781	},
		2782	"c/skills" => {
		2783	id => "infobox",
		2784	title => "Skills",
		2785	reply => undef,
		2786	tooltip => "Shows your experience per skill and item power",
		2787	},
		2788	"c/resistances" => {
		2789	id => "infobox",
		2790	title => "Resistances",
		2791	reply => undef,
		2792	tooltip => "Shows your resistances",
		2793	},
		2794	"c/pets" => {
		2795	id => "infobox",
		2796	title => "Pets",
		2797	reply => undef,
		2798	tooltip => "Shows information abotu your pets/a specific pet",
		2799	},
		2800	"c/uptime" => {
		2801	id => "infobox",
		2802	title => "Uptime",
		2803	reply => undef,
		2804	tooltip => "How long the server has been running since last restart",
		2805	},
		2806	"c/mapinfo" => {
		2807	id => "infobox",
		2808	title => "Map Info",
		2809	reply => undef,
		2810	tooltip => "Information related to the maps",
		2811	},
		2812	"c/party" => {
		2813	id => "party",
		2814	title => "Party",
		2815	reply => "gsay ",
		2816	tooltip => "Messages and chat related to your party",
		2817	},
		2818	"c/death" => {
		2819	id => "death",
		2820	title => "Death",
		2821	reply => undef,
		2822	tooltip => "Reason for and more info about your most recent death",
		2823	},
		2824	"c/say" => $SAY_CHANNEL,
		2825	"c/chat" => $CHAT_CHANNEL,
		2826	);
		2827
		2828	sub cf::client::send_msg {
		2829	my ($self, $channel, $msg, $color, @extra) = @_;
		2830
		2831	$msg = $self->pl->expand_cfpod ($msg)
		2832	unless $color & cf::NDI_VERBATIM;
		2833
		2834	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2835
		2836	# check predefined channels, for the benefit of C
		2837	if ($CHANNEL{$channel}) {
		2838	$channel = $CHANNEL{$channel};
		2839
		2840	$self->ext_msg (channel_info => $channel);
		2841	$channel = $channel->{id};
		2842
		2843	} elsif (ref $channel) {
		2844	# send meta info to client, if not yet sent
		2845	unless (exists $self->{channel}{$channel->{id}}) {
		2846	$self->{channel}{$channel->{id}} = $channel;
		2847	$self->ext_msg (channel_info => $channel);
		2848	}
		2849
		2850	$channel = $channel->{id};
		2851	}
		2852
		2853	return unless @extra || length $msg;
		2854
		2855	# default colour, mask it out
		2856	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2857	if $color & cf::NDI_DEF;
		2858
		2859	my $pkt = "msg "
		2860	. $self->{json_coder}->encode (
		2861	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2862	);
		2863
		2864	# try lzf for large packets
		2865	$pkt = "lzf " . Compress::LZF::compress $pkt
		2866	if 1024 <= length $pkt and $self->{can_lzf};
		2867
		2868	# split very large packets
		2869	if (8192 < length $pkt and $self->{can_lzf}) {
		2870	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2871	$pkt = "frag";
		2872	}
		2873
		2874	$self->send_packet ($pkt);
		2875	}
		2876
		2877	=item $client->ext_msg ($type, @msg)
		2878
		2879	Sends an ext event to the client.
		2880
		2881	=cut
		2882
		2883	sub cf::client::ext_msg($$@) {
		2884	my ($self, $type, @msg) = @_;
		2885
		2886	if ($self->extcmd == 2) {
		2887	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2888	} elsif ($self->extcmd == 1) { # TODO: remove
		2889	push @msg, msgtype => "event_$type";
		2890	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2891	}
		2892	}
		2893
		2894	=item $client->ext_reply ($msgid, @msg)
		2895
		2896	Sends an ext reply to the client.
		2897
		2898	=cut
		2899
		2900	sub cf::client::ext_reply($$@) {
		2901	my ($self, $id, @msg) = @_;
		2902
		2903	if ($self->extcmd == 2) {
		2904	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2905	} elsif ($self->extcmd == 1) {
		2906	#TODO: version 1, remove
		2907	unshift @msg, msgtype => "reply", msgid => $id;
		2908	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2909	}
		2910	}
2019		2911
2020	=item $success = $client->query ($flags, "text", \&cb)	2912	=item $success = $client->query ($flags, "text", \&cb)
2021		2913
2022	Queues a query to the client, calling the given callback with	2914	Queues a query to the client, calling the given callback with
2023	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2915	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2024	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2916	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2025		2917
2026	Queries can fail, so check the return code. Or don't, as queries will become	2918	Queries can fail, so check the return code. Or don't, as queries will
2027	reliable at some point in the future.	2919	become reliable at some point in the future.
2028		2920
2029	=cut	2921	=cut
2030		2922
2031	sub cf::client::query {	2923	sub cf::client::query {
2032	my ($self, $flags, $text, $cb) = @_;	2924	my ($self, $flags, $text, $cb) = @_;
…		…
2040	utf8::encode $text;	2932	utf8::encode $text;
2041	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2933	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2042		2934
2043	$self->send_packet ($self->{query_queue}[0][0])	2935	$self->send_packet ($self->{query_queue}[0][0])
2044	if @{ $self->{query_queue} } == 1;	2936	if @{ $self->{query_queue} } == 1;
		2937
		2938	1
2045	}	2939	}
2046		2940
2047	cf::client->attach (	2941	cf::client->attach (
		2942	on_connect => sub {
		2943	my ($ns) = @_;
		2944
		2945	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2946	},
2048	on_reply => sub {	2947	on_reply => sub {
2049	my ($ns, $msg) = @_;	2948	my ($ns, $msg) = @_;
2050		2949
2051	# this weird shuffling is so that direct followup queries	2950	# this weird shuffling is so that direct followup queries
2052	# get handled first	2951	# get handled first
…		…
2064	} else {	2963	} else {
2065	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2964	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2066	}	2965	}
2067	}	2966	}
2068	},	2967	},
		2968	on_exticmd => sub {
		2969	my ($ns, $buf) = @_;
		2970
		2971	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2972
		2973	if (ref $msg) {
		2974	my ($type, $reply, @payload) =
		2975	"ARRAY" eq ref $msg
		2976	? @$msg
		2977	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2978
		2979	my @reply;
		2980
		2981	if (my $cb = $EXTICMD{$type}) {
		2982	@reply = $cb->($ns, @payload);
		2983	}
		2984
		2985	$ns->ext_reply ($reply, @reply)
		2986	if $reply;
		2987
		2988	} else {
		2989	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2990	}
		2991
		2992	cf::override;
		2993	},
2069	);	2994	);
2070		2995
2071	=item $client->async (\&cb)	2996	=item $client->async (\&cb)
2072		2997
2073	Create a new coroutine, running the specified callback. The coroutine will	2998	Create a new coroutine, running the specified callback. The coroutine will
…		…
2114	our $safe = new Safe "safe";	3039	our $safe = new Safe "safe";
2115	our $safe_hole = new Safe::Hole;	3040	our $safe_hole = new Safe::Hole;
2116		3041
2117	$SIG{FPE} = 'IGNORE';	3042	$SIG{FPE} = 'IGNORE';
2118		3043
2119	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3044	$safe->permit_only (Opcode::opset qw(
		3045	:base_core :base_mem :base_orig :base_math
		3046	grepstart grepwhile mapstart mapwhile
		3047	sort time
		3048	));
2120		3049
2121	# here we export the classes and methods available to script code	3050	# here we export the classes and methods available to script code
2122		3051
2123	=pod	3052	=pod
2124		3053
2125	The following functions and methods are available within a safe environment:	3054	The following functions and methods are available within a safe environment:
2126		3055
2127	cf::object contr pay_amount pay_player map	3056	cf::object
		3057	contr pay_amount pay_player map x y force_find force_add destroy
		3058	insert remove name archname title slaying race decrease split
		3059	value
		3060
2128	cf::object::player player	3061	cf::object::player
2129	cf::player peaceful	3062	player
2130	cf::map trigger	3063
		3064	cf::player
		3065	peaceful
		3066
		3067	cf::map
		3068	trigger
2131		3069
2132	=cut	3070	=cut
2133		3071
2134	for (	3072	for (
2135	["cf::object" => qw(contr pay_amount pay_player map)],	3073	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3074	insert remove inv nrof name archname title slaying race
		3075	decrease split destroy change_exp value msg lore send_msg)],
2136	["cf::object::player" => qw(player)],	3076	["cf::object::player" => qw(player)],
2137	["cf::player" => qw(peaceful)],	3077	["cf::player" => qw(peaceful send_msg)],
2138	["cf::map" => qw(trigger)],	3078	["cf::map" => qw(trigger)],
2139	) {	3079	) {
2140	no strict 'refs';	3080	no strict 'refs';
2141	my ($pkg, @funs) = @$_;	3081	my ($pkg, @funs) = @$_;
2142	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3082	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2159	my ($code, %vars) = @_;	3099	my ($code, %vars) = @_;
2160		3100
2161	my $qcode = $code;	3101	my $qcode = $code;
2162	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3102	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2163	$qcode =~ s/\n/\\n/g;	3103	$qcode =~ s/\n/\\n/g;
		3104
		3105	%vars = (_dummy => 0) unless %vars;
2164		3106
2165	local $_;	3107	local $_;
2166	local @safe::cf::_safe_eval_args = values %vars;	3108	local @safe::cf::_safe_eval_args = values %vars;
2167		3109
2168	my $eval =	3110	my $eval =
…		…
2211	=back	3153	=back
2212		3154
2213	=cut	3155	=cut
2214		3156
2215	#############################################################################	3157	#############################################################################
2216
2217	=head2 EXTENSION DATABASE SUPPORT
2218
2219	Crossfire maintains a very simple database for extension use. It can
2220	currently store anything that can be serialised using Storable, which
2221	excludes objects.
2222
2223	The parameter C<$family> should best start with the name of the extension
2224	using it, it should be unique.
2225
2226	=over 4
2227
2228	=item $value = cf::db_get $family => $key
2229
2230	Returns a single value from the database.
2231
2232	=item cf::db_put $family => $key => $value
2233
2234	Stores the given C<$value> in the family.
2235
2236	=cut
2237
2238	our $DB;
2239
2240	sub db_init {
2241	unless ($DB) {
2242	$DB = BDB::db_create $DB_ENV;
2243
2244	cf::sync_job {
2245	eval {
2246	$DB->set_flags (BDB::CHKSUM);
2247
2248	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2249	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2250	cf::cleanup "db_open(db): $!" if $!;
2251	};
2252	cf::cleanup "db_open(db): $@" if $@;
2253	};
2254
2255	my $path = cf::localdir . "/database.pst";
2256	if (stat $path) {
2257	cf::sync_job {
2258	my $pst = Storable::retrieve $path;
2259
2260	cf::db_put (board => data => $pst->{board});
2261	cf::db_put (guildrules => data => $pst->{guildrules});
2262	cf::db_put (rent => balance => $pst->{rent}{balance});
2263	BDB::db_env_txn_checkpoint $DB_ENV;
2264
2265	unlink $path;
2266	};
2267	}
2268	}
2269	}
2270
2271	sub db_get($$) {
2272	my $key = "$_[0]/$_[1]";
2273
2274	cf::sync_job {
2275	BDB::db_get $DB, undef, $key, my $data;
2276
2277	$! ? ()
2278	: Compress::LZF::sthaw $data
2279	}
2280	}
2281
2282	sub db_put($$$) {
2283	BDB::dbreq_pri 4;
2284	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2285	}
2286
2287	#############################################################################
2288	# the server's init and main functions	3158	# the server's init and main functions
2289		3159
2290	sub load_facedata {	3160	sub load_facedata($) {
2291	my $path = sprintf "%s/facedata", cf::datadir;	3161	my ($path) = @_;
		3162
		3163	# HACK to clear player env face cache, we need some signal framework
		3164	# for this (global event?)
		3165	%ext::player_env::MUSIC_FACE_CACHE = ();
		3166
		3167	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2292		3168
2293	warn "loading facedata from $path\n";	3169	warn "loading facedata from $path\n";
2294		3170
2295	my $faces;	3171	my $facedata;
2296	0 < aio_load $path, $faces	3172	0 < aio_load $path, $facedata
2297	or die "$path: $!";	3173	or die "$path: $!";
2298		3174
2299	Coro::cede;
2300	$faces = Storable::thaw $faces;	3175	$facedata = Coro::Storable::thaw $facedata;
2301	Coro::cede;
2302		3176
2303	my $meta = delete $faces->{""};
2304	$meta->{version} == 1	3177	$facedata->{version} == 2
2305	or cf::cleanup "$path: version mismatch, cannot proceed.";	3178	or cf::cleanup "$path: version mismatch, cannot proceed.";
2306		3179
		3180	# patch in the exptable
		3181	$facedata->{resource}{"res/exp_table"} = {
		3182	type => FT_RSRC,
		3183	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3184	};
		3185	cf::cede_to_tick;
		3186
		3187	{
		3188	my $faces = $facedata->{faceinfo};
		3189
2307	while (my ($face, $info) = each %$faces) {	3190	while (my ($face, $info) = each %$faces) {
2308	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3191	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2309	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3192
		3193	cf::face::set_visibility $idx, $info->{visibility};
		3194	cf::face::set_magicmap $idx, $info->{magicmap};
2310	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3195	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2311	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3196	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2312	Coro::cede;
2313	}
2314		3197
		3198	cf::cede_to_tick;
		3199	}
		3200
2315	while (my ($face, $info) = each %$faces) {	3201	while (my ($face, $info) = each %$faces) {
2316	next unless $info->{smooth};	3202	next unless $info->{smooth};
		3203
2317	my $idx = cf::face::find $face	3204	my $idx = cf::face::find $face
2318	or next;	3205	or next;
		3206
2319	if (my $smooth = cf::face::find $info->{smooth}) {	3207	if (my $smooth = cf::face::find $info->{smooth}) {
2320	cf::face::set_smooth $idx, $smooth;	3208	cf::face::set_smooth $idx, $smooth;
		3209	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2321	} else {	3210	} else {
2322	warn "smooth face '$info->{smooth}' not found for face '$face'";	3211	warn "smooth face '$info->{smooth}' not found for face '$face'";
2323	}	3212	}
2324	Coro::cede;	3213
		3214	cf::cede_to_tick;
		3215	}
		3216	}
		3217
2325	}	3218	{
		3219	my $anims = $facedata->{animinfo};
		3220
		3221	while (my ($anim, $info) = each %$anims) {
		3222	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3223	cf::cede_to_tick;
		3224	}
		3225
		3226	cf::anim::invalidate_all; # d'oh
		3227	}
		3228
		3229	{
		3230	# TODO: for gcfclient pleasure, we should give resources
		3231	# that gcfclient doesn't grok a >10000 face index.
		3232	my $res = $facedata->{resource};
		3233
		3234	while (my ($name, $info) = each %$res) {
		3235	if (defined $info->{type}) {
		3236	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3237	my $data;
		3238
		3239	if ($info->{type} & 1) {
		3240	# prepend meta info
		3241
		3242	my $meta = $enc->encode ({
		3243	name => $name,
		3244	%{ $info->{meta} || {} },
		3245	});
		3246
		3247	$data = pack "(w/a*)*", $meta, $info->{data};
		3248	} else {
		3249	$data = $info->{data};
		3250	}
		3251
		3252	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3253	cf::face::set_type $idx, $info->{type};
		3254	} else {
		3255	$RESOURCE{$name} = $info;
		3256	}
		3257
		3258	cf::cede_to_tick;
		3259	}
		3260	}
		3261
		3262	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2326		3263
2327	1	3264	1
2328	}	3265	}
2329		3266
		3267	cf::global->attach (on_resource_update => sub {
		3268	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3269	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3270
		3271	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3272	my $sound = $soundconf->{compat}[$_]
		3273	or next;
		3274
		3275	my $face = cf::face::find "sound/$sound->[1]";
		3276	cf::sound::set $sound->[0] => $face;
		3277	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3278	}
		3279
		3280	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3281	my $face = cf::face::find "sound/$v";
		3282	cf::sound::set $k => $face;
		3283	}
		3284	}
		3285	});
		3286
		3287	register_exticmd fx_want => sub {
		3288	my ($ns, $want) = @_;
		3289
		3290	while (my ($k, $v) = each %$want) {
		3291	$ns->fx_want ($k, $v);
		3292	}
		3293	};
		3294
		3295	sub load_resource_file($) {
		3296	my $guard = lock_acquire "load_resource_file";
		3297
		3298	my $status = load_resource_file_ $_[0];
		3299	get_slot 0.1, 100;
		3300	cf::arch::commit_load;
		3301
		3302	$status
		3303	}
		3304
		3305	sub reload_regions {
		3306	# HACK to clear player env face cache, we need some signal framework
		3307	# for this (global event?)
		3308	%ext::player_env::MUSIC_FACE_CACHE = ();
		3309
		3310	load_resource_file "$MAPDIR/regions"
		3311	or die "unable to load regions file\n";
		3312
		3313	for (cf::region::list) {
		3314	$_->{match} = qr/$_->{match}/
		3315	if exists $_->{match};
		3316	}
		3317	}
		3318
		3319	sub reload_facedata {
		3320	load_facedata "$DATADIR/facedata"
		3321	or die "unable to load facedata\n";
		3322	}
		3323
		3324	sub reload_archetypes {
		3325	load_resource_file "$DATADIR/archetypes"
		3326	or die "unable to load archetypes\n";
		3327	}
		3328
		3329	sub reload_treasures {
		3330	load_resource_file "$DATADIR/treasures"
		3331	or die "unable to load treasurelists\n";
		3332	}
		3333
2330	sub reload_resources {	3334	sub reload_resources {
2331	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3335	warn "reloading resource files...\n";
2332	or die "unable to load regions file\n";#d#	3336
2333	load_facedata	3337	reload_facedata;
2334	or die "unable to load facedata\n";#d#	3338	reload_archetypes;
2335	}
2336
2337	sub init {
2338	reload_resources;	3339	reload_regions;
2339	}	3340	reload_treasures;
2340		3341
2341	sub cfg_load {	3342	warn "finished reloading resource files\n";
		3343	}
		3344
		3345	sub reload_config {
2342	open my $fh, "<:utf8", cf::confdir . "/config"	3346	open my $fh, "<:utf8", "$CONFDIR/config"
2343	or return;	3347	or return;
2344		3348
2345	local $/;	3349	local $/;
2346	*CFG = YAML::Syck::Load <$fh>;	3350	*CFG = YAML::Load <$fh>;
2347		3351
2348	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3352	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2349		3353
2350	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3354	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2351	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3355	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2357	};	3361	};
2358	warn $@ if $@;	3362	warn $@ if $@;
2359	}	3363	}
2360	}	3364	}
2361		3365
		3366	sub pidfile() {
		3367	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3368	or die "$PIDFILE: $!";
		3369	flock $fh, &Fcntl::LOCK_EX
		3370	or die "$PIDFILE: flock: $!";
		3371	$fh
		3372	}
		3373
		3374	# make sure only one server instance is running at any one time
		3375	sub atomic {
		3376	my $fh = pidfile;
		3377
		3378	my $pid = <$fh>;
		3379	kill 9, $pid if $pid > 0;
		3380
		3381	seek $fh, 0, 0;
		3382	print $fh $$;
		3383	}
		3384
2362	sub main {	3385	sub main {
		3386	cf::init_globals; # initialise logging
		3387
		3388	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3389	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3390	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3391	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3392
		3393	cf::init_experience;
		3394	cf::init_anim;
		3395	cf::init_attackmess;
		3396	cf::init_dynamic;
		3397
		3398	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3399
2363	# we must not ever block the main coroutine	3400	# we must not ever block the main coroutine
2364	local $Coro::idle = sub {	3401	local $Coro::idle = sub {
2365	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3402	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2366	(async {	3403	(async {
2367	Event::one_event;	3404	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3405	EV::loop EV::LOOP_ONESHOT;
2368	})->prio (Coro::PRIO_MAX);	3406	})->prio (Coro::PRIO_MAX);
2369	};	3407	};
2370		3408
2371	cfg_load;	3409	evthread_start IO::AIO::poll_fileno;
		3410
		3411	cf::sync_job {
		3412	reload_resources;
		3413	reload_config;
2372	db_init;	3414	db_init;
		3415
		3416	cf::load_settings;
		3417	cf::load_materials;
		3418	cf::init_uuid;
		3419	cf::init_signals;
		3420	cf::init_commands;
		3421	cf::init_skills;
		3422
		3423	cf::init_beforeplay;
		3424
		3425	atomic;
		3426
2373	load_extensions;	3427	load_extensions;
2374		3428
2375	$TICK_WATCHER->start;	3429	utime time, time, $RUNTIMEFILE;
		3430
		3431	# no (long-running) fork's whatsoever before this point(!)
		3432	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3433
		3434	(pop @POST_INIT)->(0) while @POST_INIT;
		3435	};
		3436
2376	Event::loop;	3437	EV::loop;
2377	}	3438	}
2378		3439
2379	#############################################################################	3440	#############################################################################
2380	# initialisation and cleanup	3441	# initialisation and cleanup
2381		3442
2382	# install some emergency cleanup handlers	3443	# install some emergency cleanup handlers
2383	BEGIN {	3444	BEGIN {
		3445	our %SIGWATCHER = ();
2384	for my $signal (qw(INT HUP TERM)) {	3446	for my $signal (qw(INT HUP TERM)) {
2385	Event->signal (	3447	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2386	reentrant => 0,
2387	data => WF_AUTOCANCEL,
2388	signal => $signal,
2389	prio => 0,
2390	cb => sub {
2391	cf::cleanup "SIG$signal";	3448	cf::cleanup "SIG$signal";
2392	},
2393	);	3449	};
		3450	}
		3451	}
		3452
		3453	sub write_runtime_sync {
		3454	# first touch the runtime file to show we are still running:
		3455	# the fsync below can take a very very long time.
		3456
		3457	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3458
		3459	my $guard = cf::lock_acquire "write_runtime";
		3460
		3461	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3462	or return;
		3463
		3464	my $value = $cf::RUNTIME + 90 + 10;
		3465	# 10 is the runtime save interval, for a monotonic clock
		3466	# 60 allows for the watchdog to kill the server.
		3467
		3468	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3469	and return;
		3470
		3471	# always fsync - this file is important
		3472	aio_fsync $fh
		3473	and return;
		3474
		3475	# touch it again to show we are up-to-date
		3476	aio_utime $fh, undef, undef;
		3477
		3478	close $fh
		3479	or return;
		3480
		3481	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3482	and return;
		3483
		3484	warn "runtime file written.\n";
		3485
2394	}	3486	1
		3487	}
		3488
		3489	our $uuid_lock;
		3490	our $uuid_skip;
		3491
		3492	sub write_uuid_sync($) {
		3493	$uuid_skip ||= $_[0];
		3494
		3495	return if $uuid_lock;
		3496	local $uuid_lock = 1;
		3497
		3498	my $uuid = "$LOCALDIR/uuid";
		3499
		3500	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3501	or return;
		3502
		3503	my $value = uuid_seq uuid_cur;
		3504
		3505	unless ($value) {
		3506	warn "cowardly refusing to write zero uuid value!\n";
		3507	return;
		3508	}
		3509
		3510	my $value = uuid_str $value + $uuid_skip;
		3511	$uuid_skip = 0;
		3512
		3513	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3514	and return;
		3515
		3516	# always fsync - this file is important
		3517	aio_fsync $fh
		3518	and return;
		3519
		3520	close $fh
		3521	or return;
		3522
		3523	aio_rename "$uuid~", $uuid
		3524	and return;
		3525
		3526	warn "uuid file written ($value).\n";
		3527
		3528	1
		3529
		3530	}
		3531
		3532	sub write_uuid($$) {
		3533	my ($skip, $sync) = @_;
		3534
		3535	$sync ? write_uuid_sync $skip
		3536	: async { write_uuid_sync $skip };
2395	}	3537	}
2396		3538
2397	sub emergency_save() {	3539	sub emergency_save() {
2398	my $freeze_guard = cf::freeze_mainloop;	3540	my $freeze_guard = cf::freeze_mainloop;
2399		3541
2400	warn "enter emergency perl save\n";	3542	warn "emergency_perl_save: enter\n";
2401		3543
2402	cf::sync_job {	3544	cf::sync_job {
		3545	# this is a trade-off: we want to be very quick here, so
		3546	# save all maps without fsync, and later call a global sync
		3547	# (which in turn might be very very slow)
		3548	local $USE_FSYNC = 0;
		3549
2403	# use a peculiar iteration method to avoid tripping on perl	3550	# use a peculiar iteration method to avoid tripping on perl
2404	# refcount bugs in for. also avoids problems with players	3551	# refcount bugs in for. also avoids problems with players
2405	# and maps saved/destroyed asynchronously.	3552	# and maps saved/destroyed asynchronously.
2406	warn "begin emergency player save\n";	3553	warn "emergency_perl_save: begin player save\n";
2407	for my $login (keys %cf::PLAYER) {	3554	for my $login (keys %cf::PLAYER) {
2408	my $pl = $cf::PLAYER{$login} or next;	3555	my $pl = $cf::PLAYER{$login} or next;
2409	$pl->valid or next;	3556	$pl->valid or next;
		3557	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2410	$pl->save;	3558	$pl->save;
2411	}	3559	}
2412	warn "end emergency player save\n";	3560	warn "emergency_perl_save: end player save\n";
2413		3561
2414	warn "begin emergency map save\n";	3562	warn "emergency_perl_save: begin map save\n";
2415	for my $path (keys %cf::MAP) {	3563	for my $path (keys %cf::MAP) {
2416	my $map = $cf::MAP{$path} or next;	3564	my $map = $cf::MAP{$path} or next;
2417	$map->valid or next;	3565	$map->valid or next;
2418	$map->save;	3566	$map->save;
2419	}	3567	}
2420	warn "end emergency map save\n";	3568	warn "emergency_perl_save: end map save\n";
2421		3569
2422	warn "begin emergency database checkpoint\n";	3570	warn "emergency_perl_save: begin database checkpoint\n";
2423	BDB::db_env_txn_checkpoint $DB_ENV;	3571	BDB::db_env_txn_checkpoint $DB_ENV;
2424	warn "end emergency database checkpoint\n";	3572	warn "emergency_perl_save: end database checkpoint\n";
		3573
		3574	warn "emergency_perl_save: begin write uuid\n";
		3575	write_uuid_sync 1;
		3576	warn "emergency_perl_save: end write uuid\n";
2425	};	3577	};
2426		3578
		3579	warn "emergency_perl_save: starting sync()\n";
		3580	IO::AIO::aio_sync sub {
		3581	warn "emergency_perl_save: finished sync()\n";
		3582	};
		3583
2427	warn "leave emergency perl save\n";	3584	warn "emergency_perl_save: leave\n";
2428	}	3585	}
2429		3586
2430	sub post_cleanup {	3587	sub post_cleanup {
2431	my ($make_core) = @_;	3588	my ($make_core) = @_;
2432		3589
2433	warn Carp::longmess "post_cleanup backtrace"	3590	warn Carp::longmess "post_cleanup backtrace"
2434	if $make_core;	3591	if $make_core;
2435	}
2436		3592
		3593	my $fh = pidfile;
		3594	unlink $PIDFILE if <$fh> == $$;
		3595	}
		3596
		3597	# a safer delete_package, copied from Symbol
		3598	sub clear_package($) {
		3599	my $pkg = shift;
		3600
		3601	# expand to full symbol table name if needed
		3602	unless ($pkg =~ /^main::.*::$/) {
		3603	$pkg = "main$pkg" if $pkg =~ /^::/;
		3604	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3605	$pkg .= '::' unless $pkg =~ /::$/;
		3606	}
		3607
		3608	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3609	my $stem_symtab = *{$stem}{HASH};
		3610
		3611	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3612	or return;
		3613
		3614	# clear all symbols
		3615	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3616	for my $name (keys %$leaf_symtab) {
		3617	_gv_clear *{"$pkg$name"};
		3618	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3619	}
		3620	warn "cleared package $pkg\n";#d#
		3621	}
		3622
2437	sub reload() {	3623	sub do_reload_perl() {
2438	# can/must only be called in main	3624	# can/must only be called in main
2439	if ($Coro::current != $Coro::main) {	3625	if ($Coro::current != $Coro::main) {
2440	warn "can only reload from main coroutine";	3626	warn "can only reload from main coroutine";
2441	return;	3627	return;
2442	}	3628	}
2443		3629
		3630	return if $RELOAD++;
		3631
		3632	my $t1 = EV::time;
		3633
		3634	while ($RELOAD) {
2444	warn "reloading...";	3635	warn "reloading...";
2445		3636
2446	warn "entering sync_job";	3637	warn "entering sync_job";
2447		3638
2448	cf::sync_job {	3639	cf::sync_job {
2449	cf::write_runtime; # external watchdog should not bark	3640	cf::write_runtime_sync; # external watchdog should not bark
2450	cf::emergency_save;	3641	cf::emergency_save;
2451	cf::write_runtime; # external watchdog should not bark	3642	cf::write_runtime_sync; # external watchdog should not bark
2452		3643
2453	warn "syncing database to disk";	3644	warn "syncing database to disk";
2454	BDB::db_env_txn_checkpoint $DB_ENV;	3645	BDB::db_env_txn_checkpoint $DB_ENV;
2455		3646
2456	# if anything goes wrong in here, we should simply crash as we already saved	3647	# if anything goes wrong in here, we should simply crash as we already saved
2457		3648
2458	warn "cancelling all WF_AUTOCANCEL watchers";
2459	for (Event::all_watchers) {
2460	$_->cancel if $_->data & WF_AUTOCANCEL;
2461	}
2462
2463	warn "flushing outstanding aio requests";	3649	warn "flushing outstanding aio requests";
2464	for (;;) {
2465	BDB::flush;
2466	IO::AIO::flush;
2467	Coro::cede;
2468	last unless IO::AIO::nreqs || BDB::nreqs;	3650	while (IO::AIO::nreqs || BDB::nreqs) {
2469	warn "iterate...";	3651	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2470	}
2471
2472	++$RELOAD;
2473
2474	warn "cancelling all extension coros";
2475	$_->cancel for values %EXT_CORO;
2476	%EXT_CORO = ();
2477
2478	warn "removing commands";
2479	%COMMAND = ();
2480
2481	warn "removing ext commands";
2482	%EXTCMD = ();
2483
2484	warn "unloading/nuking all extensions";
2485	for my $pkg (@EXTS) {
2486	warn "... unloading $pkg";
2487
2488	if (my $cb = $pkg->can ("unload")) {
2489	eval {
2490	$cb->($pkg);
2491	1
2492	} or warn "$pkg unloaded, but with errors: $@";
2493	}	3652	}
2494		3653
2495	warn "... nuking $pkg";	3654	warn "cancelling all extension coros";
2496	Symbol::delete_package $pkg;	3655	$_->cancel for values %EXT_CORO;
2497	}	3656	%EXT_CORO = ();
2498		3657
2499	warn "unloading all perl modules loaded from $LIBDIR";	3658	warn "removing commands";
2500	while (my ($k, $v) = each %INC) {	3659	%COMMAND = ();
2501	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2502		3660
		3661	warn "removing ext/exti commands";
		3662	%EXTCMD = ();
		3663	%EXTICMD = ();
		3664
		3665	warn "unloading/nuking all extensions";
		3666	for my $pkg (@EXTS) {
2503	warn "... unloading $k";	3667	warn "... unloading $pkg";
2504	delete $INC{$k};
2505		3668
2506	$k =~ s/\.pm$//;
2507	$k =~ s/\//::/g;
2508
2509	if (my $cb = $k->can ("unload_module")) {	3669	if (my $cb = $pkg->can ("unload")) {
		3670	eval {
2510	$cb->();	3671	$cb->($pkg);
		3672	1
		3673	} or warn "$pkg unloaded, but with errors: $@";
		3674	}
		3675
		3676	warn "... clearing $pkg";
		3677	clear_package $pkg;
2511	}	3678	}
2512		3679
2513	Symbol::delete_package $k;	3680	warn "unloading all perl modules loaded from $LIBDIR";
		3681	while (my ($k, $v) = each %INC) {
		3682	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3683
		3684	warn "... unloading $k";
		3685	delete $INC{$k};
		3686
		3687	$k =~ s/\.pm$//;
		3688	$k =~ s/\//::/g;
		3689
		3690	if (my $cb = $k->can ("unload_module")) {
		3691	$cb->();
		3692	}
		3693
		3694	clear_package $k;
2514	}	3695	}
2515		3696
2516	warn "getting rid of safe::, as good as possible";	3697	warn "getting rid of safe::, as good as possible";
2517	Symbol::delete_package "safe::$_"	3698	clear_package "safe::$_"
2518	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3699	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2519		3700
2520	warn "unloading cf.pm \"a bit\"";	3701	warn "unloading cf.pm \"a bit\"";
2521	delete $INC{"cf.pm"};	3702	delete $INC{"cf.pm"};
		3703	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2522		3704
2523	# don't, removes xs symbols, too,	3705	# don't, removes xs symbols, too,
2524	# and global variables created in xs	3706	# and global variables created in xs
2525	#Symbol::delete_package __PACKAGE__;	3707	#clear_package __PACKAGE__;
2526		3708
2527	warn "unload completed, starting to reload now";	3709	warn "unload completed, starting to reload now";
2528		3710
2529	warn "reloading cf.pm";	3711	warn "reloading cf.pm";
2530	require cf;	3712	require cf;
2531	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3713	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2532		3714
2533	warn "loading config and database again";	3715	warn "loading config and database again";
2534	cf::cfg_load;	3716	cf::reload_config;
2535		3717
2536	warn "loading extensions";	3718	warn "loading extensions";
2537	cf::load_extensions;	3719	cf::load_extensions;
2538		3720
		3721	if ($REATTACH_ON_RELOAD) {
2539	warn "reattaching attachments to objects/players";	3722	warn "reattaching attachments to objects/players";
2540	_global_reattach; # objects, sockets	3723	_global_reattach; # objects, sockets
2541	warn "reattaching attachments to maps";	3724	warn "reattaching attachments to maps";
2542	reattach $_ for values %MAP;	3725	reattach $_ for values %MAP;
2543	warn "reattaching attachments to players";	3726	warn "reattaching attachments to players";
2544	reattach $_ for values %PLAYER;	3727	reattach $_ for values %PLAYER;
		3728	}
2545		3729
2546	warn "loading reloadable resources";	3730	warn "running post_init jobs";
2547	reload_resources;	3731	(pop @POST_INIT)->(1) while @POST_INIT;
2548		3732
2549	warn "leaving sync_job";	3733	warn "leaving sync_job";
2550		3734
2551	1	3735	1
2552	} or do {	3736	} or do {
2553	warn $@;	3737	warn $@;
2554	warn "error while reloading, exiting.";	3738	cf::cleanup "error while reloading, exiting.";
2555	exit 1;	3739	};
		3740
		3741	warn "reloaded";
		3742	--$RELOAD;
		3743	}
		3744
		3745	$t1 = EV::time - $t1;
		3746	warn "reload completed in ${t1}s\n";
		3747	};
		3748
		3749	our $RELOAD_WATCHER; # used only during reload
		3750
		3751	sub reload_perl() {
		3752	# doing reload synchronously and two reloads happen back-to-back,
		3753	# coro crashes during coro_state_free->destroy here.
		3754
		3755	$RELOAD_WATCHER ||= cf::async {
		3756	Coro::AIO::aio_wait cache_extensions;
		3757
		3758	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3759	do_reload_perl;
		3760	undef $RELOAD_WATCHER;
		3761	};
2556	};	3762	};
2557		3763	}
2558	warn "reloaded";
2559	};
2560
2561	our $RELOAD_WATCHER; # used only during reload
2562		3764
2563	register_command "reload" => sub {	3765	register_command "reload" => sub {
2564	my ($who, $arg) = @_;	3766	my ($who, $arg) = @_;
2565		3767
2566	if ($who->flag (FLAG_WIZ)) {	3768	if ($who->flag (FLAG_WIZ)) {
2567	$who->message ("reloading server.");	3769	$who->message ("reloading server.");
2568		3770	async {
2569	# doing reload synchronously and two reloads happen back-to-back,	3771	$Coro::current->{desc} = "perl_reload";
2570	# coro crashes during coro_state_free->destroy here.
2571
2572	$RELOAD_WATCHER ||= Event->timer (
2573	reentrant => 0,
2574	after => 0,
2575	data => WF_AUTOCANCEL,
2576	cb => sub {
2577	reload;	3772	reload_perl;
2578	undef $RELOAD_WATCHER;
2579	},
2580	);	3773	};
2581	}	3774	}
2582	};	3775	};
2583		3776
2584	unshift @INC, $LIBDIR;	3777	unshift @INC, $LIBDIR;
2585		3778
2586	my $bug_warning = 0;	3779	my $bug_warning = 0;
2587		3780
2588	$TICK_WATCHER = Event->timer (	3781	our @WAIT_FOR_TICK;
2589	reentrant => 0,	3782	our @WAIT_FOR_TICK_BEGIN;
2590	parked => 1,	3783
2591	prio => 0,	3784	sub wait_for_tick {
2592	at => $NEXT_TICK || $TICK,	3785	return if tick_inhibit || $Coro::current == $Coro::main;
2593	data => WF_AUTOCANCEL,	3786
2594	cb => sub {	3787	my $signal = new Coro::Signal;
		3788	push @WAIT_FOR_TICK, $signal;
		3789	$signal->wait;
		3790	}
		3791
		3792	sub wait_for_tick_begin {
		3793	return if tick_inhibit || $Coro::current == $Coro::main;
		3794
		3795	my $signal = new Coro::Signal;
		3796	push @WAIT_FOR_TICK_BEGIN, $signal;
		3797	$signal->wait;
		3798	}
		3799
		3800	sub tick {
2595	if ($Coro::current != $Coro::main) {	3801	if ($Coro::current != $Coro::main) {
2596	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3802	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2597	unless ++$bug_warning > 10;	3803	unless ++$bug_warning > 10;
2598	return;	3804	return;
2599	}	3805	}
2600		3806
2601	$NOW = Event::time;
2602
2603	cf::server_tick; # one server iteration	3807	cf::server_tick; # one server iteration
2604	$RUNTIME += $TICK;
2605	$NEXT_TICK += $TICK;
2606		3808
2607	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3809	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2608	$NEXT_RUNTIME_WRITE = $NOW + 10;	3810	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2609	Coro::async_pool {	3811	Coro::async_pool {
		3812	$Coro::current->{desc} = "runtime saver";
2610	write_runtime	3813	write_runtime_sync
2611	or warn "ERROR: unable to write runtime file: $!";	3814	or warn "ERROR: unable to write runtime file: $!";
2612	};
2613	}	3815	};
2614
2615	$WAIT_FOR_TICK->broadcast;
2616	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2617
2618	# my $AFTER = Event::time;
2619	# warn $AFTER - $NOW;#d#
2620
2621	# if we are delayed by four ticks or more, skip them all
2622	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2623
2624	$TICK_WATCHER->at ($NEXT_TICK);
2625	$TICK_WATCHER->start;
2626	},	3816	}
2627	);	3817
		3818	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3819	$sig->send;
		3820	}
		3821	while (my $sig = shift @WAIT_FOR_TICK) {
		3822	$sig->send;
		3823	}
		3824
		3825	$LOAD = ($NOW - $TICK_START) / $TICK;
		3826	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3827
		3828	if (0) {
		3829	if ($NEXT_TICK) {
		3830	my $jitter = $TICK_START - $NEXT_TICK;
		3831	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3832	warn "jitter $JITTER\n";#d#
		3833	}
		3834	}
		3835	}
2628		3836
2629	{	3837	{
2630	BDB::max_poll_time $TICK * 0.1;	3838	# configure BDB
2631	$BDB_POLL_WATCHER = Event->io (	3839
2632	reentrant => 0,
2633	fd => BDB::poll_fileno,
2634	poll => 'r',
2635	prio => 0,
2636	data => WF_AUTOCANCEL,
2637	cb => \&BDB::poll_cb,
2638	);
2639	BDB::min_parallel 8;	3840	BDB::min_parallel 8;
2640		3841	BDB::max_poll_reqs $TICK * 0.1;
2641	BDB::set_sync_prepare {	3842	$AnyEvent::BDB::WATCHER->priority (1);
2642	my $status;
2643	my $current = $Coro::current;
2644	(
2645	sub {
2646	$status = $!;
2647	$current->ready; undef $current;
2648	},
2649	sub {
2650	Coro::schedule while defined $current;
2651	$! = $status;
2652	},
2653	)
2654	};
2655		3843
2656	unless ($DB_ENV) {	3844	unless ($DB_ENV) {
2657	$DB_ENV = BDB::db_env_create;	3845	$DB_ENV = BDB::db_env_create;
		3846	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3847	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3848	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3849	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3850	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2658		3851
2659	cf::sync_job {	3852	cf::sync_job {
2660	eval {	3853	eval {
2661	BDB::db_env_open	3854	BDB::db_env_open
2662	$DB_ENV,	3855	$DB_ENV,
2663	$BDB_ENV_DIR,	3856	$BDBDIR,
2664	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3857	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2665	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3858	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2666	0666;	3859	0666;
2667		3860
2668	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3861	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2669
2670	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2671	$DB_ENV->set_lk_detect;
2672	};	3862	};
2673		3863
2674	cf::cleanup "db_env_open(db): $@" if $@;	3864	cf::cleanup "db_env_open(db): $@" if $@;
2675	};	3865	};
2676	}	3866	}
		3867
		3868	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3869	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3870	};
		3871	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3872	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3873	};
		3874	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3875	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3876	};
2677	}	3877	}
2678		3878
2679	{	3879	{
		3880	# configure IO::AIO
		3881
2680	IO::AIO::min_parallel 8;	3882	IO::AIO::min_parallel 8;
2681
2682	undef $Coro::AIO::WATCHER;
2683	IO::AIO::max_poll_time $TICK * 0.1;	3883	IO::AIO::max_poll_time $TICK * 0.1;
2684	$AIO_POLL_WATCHER = Event->io (	3884	undef $AnyEvent::AIO::WATCHER;
2685	reentrant => 0,
2686	data => WF_AUTOCANCEL,
2687	fd => IO::AIO::poll_fileno,
2688	poll => 'r',
2689	prio => 6,
2690	cb => \&IO::AIO::poll_cb,
2691	);
2692	}	3885	}
		3886
		3887	my $_log_backtrace;
		3888
		3889	sub _log_backtrace {
		3890	my ($msg, @addr) = @_;
		3891
		3892	$msg =~ s/\n//;
		3893
		3894	# limit the # of concurrent backtraces
		3895	if ($_log_backtrace < 2) {
		3896	++$_log_backtrace;
		3897	my $perl_bt = Carp::longmess $msg;
		3898	async {
		3899	$Coro::current->{desc} = "abt $msg";
		3900
		3901	my @bt = fork_call {
		3902	@addr = map { sprintf "%x", $_ } @addr;
		3903	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3904	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3905	or die "addr2line: $!";
		3906
		3907	my @funcs;
		3908	my @res = <$fh>;
		3909	chomp for @res;
		3910	while (@res) {
		3911	my ($func, $line) = splice @res, 0, 2, ();
		3912	push @funcs, "[$func] $line";
		3913	}
		3914
		3915	@funcs
		3916	};
		3917
		3918	LOG llevInfo, "[ABT] $perl_bt\n";
		3919	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3920	LOG llevInfo, "[ABT] $_\n" for @bt;
		3921	--$_log_backtrace;
		3922	};
		3923	} else {
		3924	LOG llevInfo, "[ABT] $msg\n";
		3925	LOG llevInfo, "[ABT] [suppressed]\n";
		3926	}
		3927	}
		3928
		3929	# load additional modules
		3930	eval "use cf::$_" for @EXTRA_MODULES;
2693		3931
2694	END { cf::emergency_save }	3932	END { cf::emergency_save }
2695		3933
2696	1	3934	1
2697		3935

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