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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.225 by root, Wed Mar 14 00:04:58 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;
		58	use YAML ();
26	use IO::AIO 2.32 ();	59	use IO::AIO ();
27	use YAML::Syck ();
28	use Time::HiRes;	60	use Time::HiRes;
29	use Compress::LZF;	61	use Compress::LZF;
		62	use Digest::MD5 ();
30		63
		64	AnyEvent::detect;
		65
		66	# configure various modules to our taste
		67	#
		68	$Storable::canonical = 1; # reduce rsync transfers
31	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";
32	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
33	$Event::Eval = 1; # no idea why this is required, but it is
34		76
35	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
36
37	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
38	$YAML::Syck::ImplicitUnicode = 1;
39
40	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
41		78
42	our %COMMAND = ();	79	our %COMMAND = ();
43	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
44		81
45	our @EXTS = (); # list of extension package names	82	our @EXTS = (); # list of extension package names
46	our %EXTCMD = ();	83	our %EXTCMD = ();
		84	our %EXTICMD = ();
47	our %EXT_CORO = (); # coroutines bound to extensions	85	our %EXT_CORO = (); # coroutines bound to extensions
48	our %EXT_MAP = (); # pluggable maps	86	our %EXT_MAP = (); # pluggable maps
49		87
50	our $RELOAD; # number of reloads so far	88	our $RELOAD; # number of reloads so far, non-zero while in reload
51	our @EVENT;	89	our @EVENT;
52	our $LIBDIR = datadir . "/ext";
53		90
54	our $TICK = MAX_TIME * 1e-6;	91	our $CONFDIR = confdir;
55	our $TICK_WATCHER;	92	our $DATADIR = datadir;
56	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(!)
57	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	108	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
58	our $NEXT_TICK;	109	our $NEXT_TICK;
59	our $NOW;
60	our $USE_FSYNC = 1; # use fsync to write maps - default off	110	our $USE_FSYNC = 1; # use fsync to write maps - default off
61		111
		112	our $BDB_DEADLOCK_WATCHER;
		113	our $BDB_CHECKPOINT_WATCHER;
62	our $BDB_POLL_WATCHER;	114	our $BDB_TRICKLE_WATCHER;
63	our $DB_ENV;	115	our $DB_ENV;
		116
		117	our @EXTRA_MODULES = qw(pod mapscript);
64		118
65	our %CFG;	119	our %CFG;
66		120
67	our $UPTIME; $UPTIME ||= time;	121	our $UPTIME; $UPTIME ||= time;
68	our $RUNTIME;	122	our $RUNTIME;
		123	our $NOW;
69		124
70	our %PLAYER; # all users	125	our (%PLAYER, %PLAYER_LOADING); # all users
71	our %MAP; # all maps	126	our (%MAP, %MAP_LOADING ); # all maps
72	our $LINK_MAP; # the special {link} map, which is always available	127	our $LINK_MAP; # the special {link} map, which is always available
73	our $RANDOM_MAPS = cf::localdir . "/random";
74	our $BDB_ENV_DIR = cf::localdir . "/db";
75
76	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
77	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
78		128
79	# 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 ∕
80	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	130	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
81		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 $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
		140
82	binmode STDOUT;	141	binmode STDOUT;
83	binmode STDERR;	142	binmode STDERR;
84		143
85	# read virtual server time, if available	144	# read virtual server time, if available
86	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	145	unless ($RUNTIME || !-e $RUNTIMEFILE) {
87	open my $fh, "<", cf::localdir . "/runtime"	146	open my $fh, "<", $RUNTIMEFILE
88	or die "unable to read runtime file: $!";	147	or die "unable to read $RUNTIMEFILE file: $!";
89	$RUNTIME = <$fh> + 0.;	148	$RUNTIME = <$fh> + 0.;
90	}	149	}
91		150
92	mkdir cf::localdir;	151	mkdir $_
93	mkdir cf::localdir . "/" . cf::playerdir;	152	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
94	mkdir cf::localdir . "/" . cf::tmpdir;
95	mkdir cf::localdir . "/" . cf::uniquedir;
96	mkdir $RANDOM_MAPS;
97	mkdir $BDB_ENV_DIR;
98		153
99	our $EMERGENCY_POSITION;	154	our $EMERGENCY_POSITION;
100		155
101	sub cf::map::normalise;	156	sub cf::map::normalise;
102		157
…		…
113	=item $cf::RUNTIME	168	=item $cf::RUNTIME
114		169
115	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
116	every server tick.	171	every server tick.
117		172
118	=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
119		176
120	The perl library directory, where extensions and cf-specific modules can	177	Various directories - "/etc", read-only install directory, perl-library
121	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.
122		181
123	=item $cf::NOW	182	=item $cf::NOW
124		183
125	The time of the last (current) server tick.	184	The time of the last (current) server tick.
126		185
127	=item $cf::TICK	186	=item $cf::TICK
128		187
129	The interval between server ticks, in seconds.	188	The interval between server ticks, in seconds.
130		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
131	=item %cf::CFG	200	=item %cf::CFG
132		201
133	Configuration for the server, loaded from C</etc/crossfire/config>, or	202	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
134	from wherever your confdir points to.	203	from wherever your confdir points to.
135		204
136	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	205	=item cf::wait_for_tick, cf::wait_for_tick_begin
137		206
138	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
139	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
140	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.
141	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.
142		216
143	=back	217	=back
144		218
145	=cut	219	=cut
146		220
147	BEGIN {	221	BEGIN {
148	*CORE::GLOBAL::warn = sub {	222	*CORE::GLOBAL::warn = sub {
149	my $msg = join "", @_;	223	my $msg = join "", @_;
150	utf8::encode $msg;
151		224
152	$msg .= "\n"	225	$msg .= "\n"
153	unless $msg =~ /\n$/;	226	unless $msg =~ /\n$/;
154		227
		228	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		229
155	LOG llevError, $msg;	230	LOG llevError, $msg;
156	};	231	};
157	}	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#?
158		248
159	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	249	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
160	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	250	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
161	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	251	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
162	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	252	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
163	@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';
164	@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)
165		256
166	# 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
167	# within the Safe compartment.	258	# within the Safe compartment.
168	for my $pkg (qw(	259	for my $pkg (qw(
169	cf::global cf::attachable	260	cf::global cf::attachable
170	cf::object cf::object::player	261	cf::object cf::object::player
171	cf::client cf::player	262	cf::client cf::player
172	cf::arch cf::living	263	cf::arch cf::living
		264	cf::map cf::mapspace
173	cf::map cf::party cf::region	265	cf::party cf::region
174	)) {	266	)) {
175	no strict 'refs';
176	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	267	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
177	}	268	}
178		269
179	$Event::DIED = sub {	270	$EV::DIED = sub {
180	warn "error in event callback: @_";	271	warn "error in event callback: @_";
181	};	272	};
		273
		274	#############################################################################
182		275
183	=head2 UTILITY FUNCTIONS	276	=head2 UTILITY FUNCTIONS
184		277
185	=over 4	278	=over 4
186		279
…		…
205	$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;
206	$d	299	$d
207	} || "[unable to dump $_[0]: '$@']";	300	} || "[unable to dump $_[0]: '$@']";
208	}	301	}
209		302
210	use JSON::Syck (); # TODO# replace by JSON::PC once working
211
212	=item $ref = cf::from_json $json	303	=item $ref = cf::decode_json $json
213		304
214	Converts a JSON string into the corresponding perl data structure.	305	Converts a JSON string into the corresponding perl data structure.
215		306
216	=cut
217
218	sub from_json($) {
219	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
220	JSON::Syck::Load $_[0]
221	}
222
223	=item $json = cf::to_json $ref	307	=item $json = cf::encode_json $ref
224		308
225	Converts a perl data structure into its JSON representation.	309	Converts a perl data structure into its JSON representation.
226		310
227	=cut	311	=cut
228		312
229	sub to_json($) {	313	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
230	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	314
231	JSON::Syck::Dump $_[0]	315	sub encode_json($) { $json_coder->encode ($_[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;
232	}	330	}
233		331
234	=item cf::lock_wait $string	332	=item cf::lock_wait $string
235		333
236	Wait until the given lock is available. See cf::lock_acquire.	334	Wait until the given lock is available. See cf::lock_acquire.
237		335
238	=item my $lock = cf::lock_acquire $string	336	=item my $lock = cf::lock_acquire $string
239		337
240	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
241	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,
242	for example when the coroutine gets canceled), the lock is automatically	340	for example when the coroutine gets canceled), the lock is automatically
243	returned.	341	returned.
244		342
		343	Locks are *not* recursive, locking from the same coro twice results in a
		344	deadlocked coro.
		345
245	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
246	uses map_find and cf::map::load uses map_load).	347	uses map_find and cf::map::load uses map_load).
247		348
248	=cut	349	=item $locked = cf::lock_active $string
249		350
250	our %LOCK;	351	Return true if the lock is currently active, i.e. somebody has locked it.
		352
		353	=cut
		354
		355	our $LOCKS = new Coro::SemaphoreSet;
251		356
252	sub lock_wait($) {	357	sub lock_wait($) {
253	my ($key) = @_;	358	$LOCKS->wait ($_[0]);
254
255	# wait for lock, if any
256	while ($LOCK{$key}) {
257	push @{ $LOCK{$key} }, $Coro::current;
258	Coro::schedule;
259	}
260	}	359	}
261		360
262	sub lock_acquire($) {	361	sub lock_acquire($) {
263	my ($key) = @_;	362	$LOCKS->guard ($_[0])
		363	}
264		364
265	# wait, to be sure we are not locked	365	sub lock_active($) {
266	lock_wait $key;	366	$LOCKS->count ($_[0]) < 1
267
268	$LOCK{$key} = [];
269
270	Coro::guard {
271	# wake up all waiters, to be on the safe side
272	$_->ready for @{ delete $LOCK{$key} };
273	}
274	}	367	}
275		368
276	sub freeze_mainloop {	369	sub freeze_mainloop {
277	return unless $TICK_WATCHER->is_active;	370	tick_inhibit_inc;
278		371
279	my $guard = Coro::guard {	372	&Guard::guard (\&tick_inhibit_dec);
280	$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($$) {
		383	my ($interval, $cb) = @_;
		384
		385	my $start = rand List::Util::min 180, $interval;
		386
		387	EV::periodic $start, $interval, 0, $cb
		388	}
		389
		390	=item cf::get_slot $time[, $priority[, $name]]
		391
		392	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		393	This call blocks and returns only when you have at least C<$time> seconds
		394	of cpu time till the next tick. The slot is only valid till the next cede.
		395
		396	The optional C<$name> can be used to identify the job to run. It might be
		397	used for statistical purposes and should identify the same time-class.
		398
		399	Useful for short background jobs.
		400
		401	=cut
		402
		403	our @SLOT_QUEUE;
		404	our $SLOT_QUEUE;
		405
		406	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		407	$SLOT_QUEUE = Coro::async {
		408	$Coro::current->desc ("timeslot manager");
		409
		410	my $signal = new Coro::Signal;
		411
		412	while () {
		413	next_job:
		414	my $avail = cf::till_tick;
		415	if ($avail > 0.01) {
		416	for (0 .. $#SLOT_QUEUE) {
		417	if ($SLOT_QUEUE[$_][0] < $avail) {
		418	my $job = splice @SLOT_QUEUE, $_, 1, ();
		419	$job->[2]->send;
		420	Coro::cede;
		421	goto next_job;
		422	}
		423	}
		424	}
		425
		426	if (@SLOT_QUEUE) {
		427	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		428	push @cf::WAIT_FOR_TICK, $signal;
		429	$signal->wait;
		430	} else {
		431	Coro::schedule;
		432	}
281	};	433	}
282	$TICK_WATCHER->stop;	434	};
283	$guard	435
		436	sub get_slot($;$$) {
		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	$sig->wait;
284	}	448	}
285		449
286	=item cf::async { BLOCK }	450	=item cf::async { BLOCK }
287		451
288	Currently the same as Coro::async_pool, meaning you cannot use	452	Currently the same as Coro::async_pool, meaning you cannot use
…		…
293		457
294	BEGIN { *async = \&Coro::async_pool }	458	BEGIN { *async = \&Coro::async_pool }
295		459
296	=item cf::sync_job { BLOCK }	460	=item cf::sync_job { BLOCK }
297		461
298	The design of crossfire+ requires that the main coro ($Coro::main) is	462	The design of Deliantra requires that the main coroutine ($Coro::main)
299	always able to handle events or runnable, as crossfire+ is only partly	463	is always able to handle events or runnable, as Deliantra is only
300	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	464	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		465	acceptable.
301		466
302	If it must be done, put the blocking parts into C<sync_job>. This will run	467	If it must be done, put the blocking parts into C<sync_job>. This will run
303	the given BLOCK in another coroutine while waiting for the result. The	468	the given BLOCK in another coroutine while waiting for the result. The
304	server will be frozen during this time, so the block should either finish	469	server will be frozen during this time, so the block should either finish
305	fast or be very important.	470	fast or be very important.
…		…
308		473
309	sub sync_job(&) {	474	sub sync_job(&) {
310	my ($job) = @_;	475	my ($job) = @_;
311		476
312	if ($Coro::current == $Coro::main) {	477	if ($Coro::current == $Coro::main) {
		478	my $time = EV::time;
		479
313	# this is the main coro, too bad, we have to block	480	# this is the main coro, too bad, we have to block
314	# till the operation succeeds, freezing the server :/	481	# till the operation succeeds, freezing the server :/
315		482
316	# TODO: use suspend/resume instead	483	LOG llevError, Carp::longmess "sync job";#d#
317	# (but this is cancel-safe)	484
318	my $freeze_guard = freeze_mainloop;	485	my $freeze_guard = freeze_mainloop;
319		486
320	my $busy = 1;	487	my $busy = 1;
321	my @res;	488	my @res;
322		489
323	(async {	490	(async {
		491	$Coro::current->desc ("sync job coro");
324	@res = eval { $job->() };	492	@res = eval { $job->() };
325	warn $@ if $@;	493	warn $@ if $@;
326	undef $busy;	494	undef $busy;
327	})->prio (Coro::PRIO_MAX);	495	})->prio (Coro::PRIO_MAX);
328		496
329	while ($busy) {	497	while ($busy) {
330	Coro::cede or Event::one_event;	498	if (Coro::nready) {
		499	Coro::cede_notself;
		500	} else {
		501	EV::loop EV::LOOP_ONESHOT;
331	}	502	}
		503	}
		504
		505	my $time = EV::time - $time;
		506
		507	$TICK_START += $time; # do not account sync jobs to server load
332		508
333	wantarray ? @res : $res[0]	509	wantarray ? @res : $res[0]
334	} else {	510	} else {
335	# we are in another coroutine, how wonderful, everything just works	511	# we are in another coroutine, how wonderful, everything just works
336		512
…		…
356	$EXT_CORO{$coro+0} = $coro;	532	$EXT_CORO{$coro+0} = $coro;
357		533
358	$coro	534	$coro
359	}	535	}
360		536
361	sub write_runtime {	537	=item fork_call { }, $args
362	my $guard = cf::lock_acquire "write_runtime";
363		538
364	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.
365		543
366	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	544	=cut
367	or return;
368		545
369	my $value = $cf::RUNTIME + 90 + 10;	546	sub fork_call(&@) {
370	# 10 is the runtime save interval, for a monotonic clock	547	my ($cb, @args) = @_;
371	# 60 allows for the watchdog to kill the server.
372		548
373	(aio_write $fh, 0, (length $value), $value, 0) <= 0	549	# we seemingly have to make a local copy of the whole thing,
374	and return;	550	# otherwise perl prematurely frees the stuff :/
		551	# TODO: investigate and fix (likely this will be rather laborious)
375		552
376	# always fsync - this file is important	553	my @res = Coro::Util::fork_eval {
377	aio_fsync $fh	554	reset_signals;
378	and return;	555	&$cb
		556	}, @args;
379		557
380	close $fh	558	wantarray ? @res : $res[-1]
381	or return;	559	}
382		560
383	aio_rename "$runtime~", $runtime	561	=item $coin = coin_from_name $name
384	and return;
385		562
		563	=cut
		564
		565	our %coin_alias = (
		566	"silver" => "silvercoin",
		567	"silvercoin" => "silvercoin",
		568	"silvercoins" => "silvercoin",
		569	"gold" => "goldcoin",
		570	"goldcoin" => "goldcoin",
		571	"goldcoins" => "goldcoin",
		572	"platinum" => "platinacoin",
		573	"platinumcoin" => "platinacoin",
		574	"platinumcoins" => "platinacoin",
		575	"platina" => "platinacoin",
		576	"platinacoin" => "platinacoin",
		577	"platinacoins" => "platinacoin",
		578	"royalty" => "royalty",
		579	"royalties" => "royalty",
		580	);
		581
		582	sub coin_from_name($) {
		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($$) {
		630	my $key = "$_[0]/$_[1]";
		631
		632	cf::sync_job {
		633	BDB::db_get $DB, undef, $key, my $data;
		634
		635	$! ? ()
		636	: $data
386	1	637	}
		638	}
		639
		640	sub db_put($$$) {
		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"
		713	}
		714
		715	=item cf::datalog type => key => value, ...
		716
		717	Log a datalog packet of the given type with the given key-value pairs.
		718
		719	=cut
		720
		721	sub datalog($@) {
		722	my ($type, %kv) = @_;
		723	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
387	}	724	}
388		725
389	=back	726	=back
390		727
391	=cut	728	=cut
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, $msgtype, %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	package cf;	1660	=item $player->ext_msg ($type, @msg)
		1661
		1662	Sends an ext event to the client.
		1663
		1664	=cut
		1665
		1666	sub ext_msg($$@) {
		1667	my ($self, $type, @msg) = @_;
		1668
		1669	$self->ns->ext_msg ($type, @msg);
		1670	}
		1671
		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	}
1144		1700
1145	=back	1701	=back
1146
1147		1702
1148	=head3 cf::map	1703	=head3 cf::map
1149		1704
1150	=over 4	1705	=over 4
1151		1706
…		…
1163	our $MAX_RESET = 3600;	1718	our $MAX_RESET = 3600;
1164	our $DEFAULT_RESET = 3000;	1719	our $DEFAULT_RESET = 3000;
1165		1720
1166	sub generate_random_map {	1721	sub generate_random_map {
1167	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
1168	# mit "rum" bekleckern, nicht	1726	# mit "rum" bekleckern, nicht
1169	$self->_create_random_map (	1727	$self->_create_random_map (
1170	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1728	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1171	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1729	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1172	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1730	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1206	my ($self, $merge) = @_;	1764	my ($self, $merge) = @_;
1207		1765
1208	# we have to keep some variables in memory intact	1766	# we have to keep some variables in memory intact
1209	local $self->{path};	1767	local $self->{path};
1210	local $self->{load_path};	1768	local $self->{load_path};
1211	local $self->{deny_save};
1212	local $self->{deny_reset};
1213		1769
1214	$self->SUPER::thawer_merge ($merge);	1770	$self->SUPER::thawer_merge ($merge);
1215	}	1771	}
1216		1772
1217	sub normalise {	1773	sub normalise {
…		…
1264	$self->init; # pass $1 etc.	1820	$self->init; # pass $1 etc.
1265	return $self;	1821	return $self;
1266	}	1822	}
1267	}	1823	}
1268		1824
1269	Carp::carp "unable to resolve path '$path' (base '$base').";	1825	Carp::cluck "unable to resolve path '$path' (base '$base').";
1270	()	1826	()
1271	}	1827	}
1272		1828
1273	sub init {	1829	sub init {
1274	my ($self) = @_;	1830	my ($self) = @_;
…		…
1289		1845
1290	# the original (read-only) location	1846	# the original (read-only) location
1291	sub load_path {	1847	sub load_path {
1292	my ($self) = @_;	1848	my ($self) = @_;
1293		1849
1294	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1850	"$MAPDIR/$self->{path}.map"
1295	}	1851	}
1296		1852
1297	# the temporary/swap location	1853	# the temporary/swap location
1298	sub save_path {	1854	sub save_path {
1299	my ($self) = @_;	1855	my ($self) = @_;
1300		1856
1301	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1857	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1302	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1858	"$TMPDIR/$path.map"
1303	}	1859	}
1304		1860
1305	# the unique path, undef == no special unique path	1861	# the unique path, undef == no special unique path
1306	sub uniq_path {	1862	sub uniq_path {
1307	my ($self) = @_;	1863	my ($self) = @_;
1308		1864
1309	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1865	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1310	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1866	"$UNIQUEDIR/$path"
1311	}	1867	}
1312		1868
1313	# and all this just because we cannot iterate over	1869	sub decay_objects {
1314	# all maps in C++...
1315	sub change_all_map_light {
1316	my ($change) = @_;	1870	my ($self) = @_;
1317		1871
1318	$_->change_map_light ($change)	1872	return if $self->{deny_reset};
1319	for grep $_->outdoor, values %cf::MAP;	1873
		1874	$self->do_decay_objects;
1320	}	1875	}
1321		1876
1322	sub unlink_save {	1877	sub unlink_save {
1323	my ($self) = @_;	1878	my ($self) = @_;
1324		1879
…		…
1329		1884
1330	sub load_header_from($) {	1885	sub load_header_from($) {
1331	my ($self, $path) = @_;	1886	my ($self, $path) = @_;
1332		1887
1333	utf8::encode $path;	1888	utf8::encode $path;
1334	#aio_open $path, O_RDONLY, 0	1889	my $f = new_from_file cf::object::thawer $path
1335	# or return;
1336
1337	$self->_load_header ($path)
1338	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;
1339		1897
1340	$self->{load_path} = $path;	1898	$self->{load_path} = $path;
1341		1899
1342	1	1900	1
1343	}	1901	}
…		…
1382	$self->load_header_orig	1940	$self->load_header_orig
1383	or return;	1941	or return;
1384	$self->prepare_orig;	1942	$self->prepare_orig;
1385	}	1943	}
1386		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
1387	1	1951	1
1388	}	1952	}
1389		1953
1390	sub find;	1954	sub find;
1391	sub find {	1955	sub find {
1392	my ($path, $origin) = @_;	1956	my ($path, $origin) = @_;
1393		1957
1394	$path = normalise $path, $origin && $origin->path;	1958	$path = normalise $path, $origin && $origin->path;
1395		1959
		1960	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1396	cf::lock_wait "map_find:$path";	1961	my $guard2 = cf::lock_acquire "map_find:$path";
1397		1962
1398	$cf::MAP{$path} || do {	1963	$cf::MAP{$path} || do {
1399	my $guard = cf::lock_acquire "map_find:$path";
1400	my $map = new_from_path cf::map $path	1964	my $map = new_from_path cf::map $path
1401	or return;	1965	or return;
1402		1966
1403	$map->{last_save} = $cf::RUNTIME;	1967	$map->{last_save} = $cf::RUNTIME;
1404		1968
1405	$map->load_header	1969	$map->load_header
1406	or return;	1970	or return;
1407		1971
1408	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1972	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1409	# doing this can freeze the server in a sync job, obviously	1973	# doing this can freeze the server in a sync job, obviously
1410	#$cf::WAIT_FOR_TICK->wait;	1974	#$cf::WAIT_FOR_TICK->wait;
		1975	undef $guard2;
		1976	undef $guard1;
1411	$map->reset;	1977	$map->reset;
1412	undef $guard;
1413	return find $path;	1978	return find $path;
1414	}	1979	}
1415		1980
1416	$cf::MAP{$path} = $map	1981	$cf::MAP{$path} = $map
1417	}	1982	}
…		…
1424	my ($self) = @_;	1989	my ($self) = @_;
1425		1990
1426	local $self->{deny_reset} = 1; # loading can take a long time	1991	local $self->{deny_reset} = 1; # loading can take a long time
1427		1992
1428	my $path = $self->{path};	1993	my $path = $self->{path};
		1994
		1995	{
1429	my $guard = cf::lock_acquire "map_load:$path";	1996	my $guard = cf::lock_acquire "map_data:$path";
1430		1997
		1998	return unless $self->valid;
1431	return if $self->in_memory != cf::MAP_SWAPPED;	1999	return unless $self->in_memory == cf::MAP_SWAPPED;
1432		2000
1433	$self->in_memory (cf::MAP_LOADING);	2001	$self->in_memory (cf::MAP_LOADING);
1434		2002
1435	$self->alloc;	2003	$self->alloc;
1436		2004
1437	$self->pre_load;	2005	$self->pre_load;
		2006	cf::cede_to_tick;
1438		2007
1439	$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)
1440	or return;	2011	or return;
1441		2012
1442	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2013	$self->post_load_original
1443	if delete $self->{load_original};	2014	if delete $self->{load_original};
1444		2015
1445	if (my $uniq = $self->uniq_path) {	2016	if (my $uniq = $self->uniq_path) {
1446	utf8::encode $uniq;	2017	utf8::encode $uniq;
1447	if (aio_open $uniq, O_RDONLY, 0) {	2018	unless (aio_stat $uniq) {
		2019	if (my $f = new_from_file cf::object::thawer $uniq) {
1448	$self->clear_unique_items;	2020	$self->clear_unique_items;
1449	$self->_load_objects ($uniq, 0);	2021	$self->_load_objects ($f);
		2022	$f->resolve_delayed_derefs;
		2023	}
1450	}	2024	}
1451	}	2025	}
1452		2026
1453	Coro::cede;	2027	$f->resolve_delayed_derefs;
1454		2028
		2029	cf::cede_to_tick;
1455	# now do the right thing for maps	2030	# now do the right thing for maps
1456	$self->link_multipart_objects;	2031	$self->link_multipart_objects;
1457
1458	unless ($self->{deny_activate}) {
1459	$self->decay_objects;
1460	$self->fix_auto_apply;
1461	$self->update_buttons;
1462	Coro::cede;
1463	$self->set_darkness_map;
1464	$self->difficulty ($self->estimate_difficulty)	2032	$self->difficulty ($self->estimate_difficulty)
1465	unless $self->difficulty;	2033	unless $self->difficulty;
1466	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;
1467	$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);
1468	}	2048	}
1469		2049
1470	$self->post_load;	2050	$self->post_load;
1471
1472	$self->in_memory (cf::MAP_IN_MEMORY);
1473	}	2051	}
1474		2052
1475	sub customise_for {	2053	sub customise_for {
1476	my ($self, $ob) = @_;	2054	my ($self, $ob) = @_;
1477		2055
1478	return find "~" . $ob->name . "/" . $self->{path}	2056	return find "~" . $ob->name . "/" . $self->{path}
1479	if $self->per_player;	2057	if $self->per_player;
1480		2058
		2059	# return find "?party/" . $ob->name . "/" . $self->{path}
		2060	# if $self->per_party;
		2061
1481	$self	2062	$self
1482	}	2063	}
1483		2064
1484	# 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
1485	sub load_diag {	2066	sub load_neighbours {
1486	my ($map) = @_;	2067	my ($map) = @_;
1487		2068
1488	my @diag; # diagonal neighbours	2069	my @neigh; # diagonal neighbours
1489		2070
1490	for (0 .. 3) {	2071	for (0 .. 3) {
1491	my $neigh = $map->tile_path ($_)	2072	my $neigh = $map->tile_path ($_)
1492	or next;	2073	or next;
1493	$neigh = find $neigh, $map	2074	$neigh = find $neigh, $map
1494	or next;	2075	or next;
1495	$neigh->load;	2076	$neigh->load;
1496		2077
		2078	push @neigh,
1497	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2079	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1498	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2080	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1499	}	2081	}
1500		2082
1501	for (@diag) {	2083	for (grep defined $_->[0], @neigh) {
		2084	my ($path, $origin) = @$_;
1502	my $neigh = find @$_	2085	my $neigh = find $path, $origin
1503	or next;	2086	or next;
1504	$neigh->load;	2087	$neigh->load;
1505	}	2088	}
1506	}	2089	}
1507		2090
…		…
1512	}	2095	}
1513		2096
1514	sub do_load_sync {	2097	sub do_load_sync {
1515	my ($map) = @_;	2098	my ($map) = @_;
1516		2099
		2100	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2101	if $Coro::current == $Coro::main;
		2102
1517	cf::sync_job { $map->load };	2103	cf::sync_job { $map->load };
1518	}	2104	}
1519		2105
1520	our %MAP_PREFETCH;	2106	our %MAP_PREFETCH;
1521	our $MAP_PREFETCHER = undef;	2107	our $MAP_PREFETCHER = undef;
1522		2108
1523	sub find_async {	2109	sub find_async {
1524	my ($path, $origin) = @_;	2110	my ($path, $origin, $load) = @_;
1525		2111
1526	$path = normalise $path, $origin && $origin->{path};	2112	$path = normalise $path, $origin && $origin->{path};
1527		2113
1528	if (my $map = $cf::MAP{$path}) {	2114	if (my $map = $cf::MAP{$path}) {
1529	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2115	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1530	}	2116	}
1531		2117
1532	undef $MAP_PREFETCH{$path};	2118	$MAP_PREFETCH{$path} |= $load;
		2119
1533	$MAP_PREFETCHER ||= cf::async {	2120	$MAP_PREFETCHER ||= cf::async {
		2121	$Coro::current->{desc} = "map prefetcher";
		2122
1534	while (%MAP_PREFETCH) {	2123	while (%MAP_PREFETCH) {
1535	for my $path (keys %MAP_PREFETCH) {	2124	while (my ($k, $v) = each %MAP_PREFETCH) {
1536	my $map = find $path	2125	if (my $map = find $k) {
1537	or next;
1538	$map->load;	2126	$map->load if $v;
		2127	}
1539		2128
1540	delete $MAP_PREFETCH{$path};	2129	delete $MAP_PREFETCH{$k};
1541	}	2130	}
1542	}	2131	}
1543	undef $MAP_PREFETCHER;	2132	undef $MAP_PREFETCHER;
1544	};	2133	};
1545	$MAP_PREFETCHER->prio (6);	2134	$MAP_PREFETCHER->prio (6);
…		…
1548	}	2137	}
1549		2138
1550	sub save {	2139	sub save {
1551	my ($self) = @_;	2140	my ($self) = @_;
1552		2141
1553	my $lock = cf::lock_acquire "map_data:" . $self->path;	2142	my $lock = cf::lock_acquire "map_data:$self->{path}";
1554		2143
1555	$self->{last_save} = $cf::RUNTIME;	2144	$self->{last_save} = $cf::RUNTIME;
1556		2145
1557	return unless $self->dirty;	2146	return unless $self->dirty;
1558		2147
…		…
1564	return if $self->{deny_save};	2153	return if $self->{deny_save};
1565		2154
1566	local $self->{last_access} = $self->last_access;#d#	2155	local $self->{last_access} = $self->last_access;#d#
1567		2156
1568	cf::async {	2157	cf::async {
		2158	$Coro::current->{desc} = "map player save";
1569	$_->contr->save for $self->players;	2159	$_->contr->save for $self->players;
1570	};	2160	};
		2161
		2162	cf::get_slot 0.02;
1571		2163
1572	if ($uniq) {	2164	if ($uniq) {
1573	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2165	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1574	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2166	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1575	} else {	2167	} else {
…		…
1581	my ($self) = @_;	2173	my ($self) = @_;
1582		2174
1583	# save first because save cedes	2175	# save first because save cedes
1584	$self->save;	2176	$self->save;
1585		2177
1586	my $lock = cf::lock_acquire "map_data:" . $self->path;	2178	my $lock = cf::lock_acquire "map_data:$self->{path}";
1587		2179
1588	return if $self->players;	2180	return if $self->players;
1589	return if $self->in_memory != cf::MAP_IN_MEMORY;	2181	return if $self->in_memory != cf::MAP_ACTIVE;
1590	return if $self->{deny_save};	2182	return if $self->{deny_save};
1591		2183
		2184	$self->in_memory (cf::MAP_SWAPPED);
		2185
		2186	$self->deactivate;
		2187	$_->clear_links_to ($self) for values %cf::MAP;
1592	$self->clear;	2188	$self->clear;
1593	$self->in_memory (cf::MAP_SWAPPED);
1594	}	2189	}
1595		2190
1596	sub reset_at {	2191	sub reset_at {
1597	my ($self) = @_;	2192	my ($self) = @_;
1598		2193
1599	# TODO: safety, remove and allow resettable per-player maps	2194	# TODO: safety, remove and allow resettable per-player maps
1600	return 1e99 if $self->isa ("ext::map_per_player");#d#
1601	return 1e99 if $self->{deny_reset};	2195	return 1e99 if $self->{deny_reset};
1602		2196
1603	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2197	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1604	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;
1605		2199
…		…
1616	my ($self) = @_;	2210	my ($self) = @_;
1617		2211
1618	my $lock = cf::lock_acquire "map_data:$self->{path}";	2212	my $lock = cf::lock_acquire "map_data:$self->{path}";
1619		2213
1620	return if $self->players;	2214	return if $self->players;
1621	return if $self->isa ("ext::map_per_player");#d#
1622		2215
1623	warn "resetting map ", $self->path;#d#	2216	warn "resetting map ", $self->path;
1624		2217
1625	$self->in_memory (cf::MAP_SWAPPED);	2218	$self->in_memory (cf::MAP_SWAPPED);
1626		2219
1627	# need to save uniques path	2220	# need to save uniques path
1628	unless ($self->{deny_save}) {	2221	unless ($self->{deny_save}) {
…		…
1632	if $uniq;	2225	if $uniq;
1633	}	2226	}
1634		2227
1635	delete $cf::MAP{$self->path};	2228	delete $cf::MAP{$self->path};
1636		2229
		2230	$self->deactivate;
		2231	$_->clear_links_to ($self) for values %cf::MAP;
1637	$self->clear;	2232	$self->clear;
1638
1639	$_->clear_links_to ($self) for values %cf::MAP;
1640		2233
1641	$self->unlink_save;	2234	$self->unlink_save;
1642	$self->destroy;	2235	$self->destroy;
1643	}	2236	}
1644		2237
1645	my $nuke_counter = "aaaa";	2238	my $nuke_counter = "aaaa";
1646		2239
1647	sub nuke {	2240	sub nuke {
1648	my ($self) = @_;	2241	my ($self) = @_;
1649		2242
		2243	{
		2244	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2245
1650	delete $cf::MAP{$self->path};	2246	delete $cf::MAP{$self->path};
1651		2247
1652	$self->unlink_save;	2248	$self->unlink_save;
1653		2249
1654	bless $self, "cf::map";	2250	bless $self, "cf::map";
1655	delete $self->{deny_reset};	2251	delete $self->{deny_reset};
1656	$self->{deny_save} = 1;	2252	$self->{deny_save} = 1;
1657	$self->reset_timeout (1);	2253	$self->reset_timeout (1);
1658	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2254	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1659		2255
1660	$cf::MAP{$self->path} = $self;	2256	$cf::MAP{$self->path} = $self;
		2257	}
1661		2258
1662	$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	]
1663	}	2296	}
1664		2297
1665	=item cf::map::unique_maps	2298	=item cf::map::unique_maps
1666		2299
1667	Returns an arrayref of paths of all shared maps that have	2300	Returns an arrayref of paths of all shared maps that have
1668	instantiated unique items. May block.	2301	instantiated unique items. May block.
1669		2302
1670	=cut	2303	=cut
1671		2304
1672	sub unique_maps() {	2305	sub unique_maps() {
1673	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2306	[
1674	or return;	2307	map {
1675
1676	my @paths;
1677
1678	for (@$files) {
1679	utf8::decode $_;	2308	utf8::decode $_;
1680	next if /\.pst$/;	2309	s/\.map$//; # TODO future compatibility hack
1681	next unless /^$PATH_SEP/o;	2310	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1682		2311	? ()
1683	push @paths, cf::map::normalise $_;	2312	: normalise $_
		2313	} @{ aio_readdir $UNIQUEDIR or [] }
1684	}	2314	]
1685
1686	\@paths
1687	}	2315	}
1688
1689	package cf;
1690		2316
1691	=back	2317	=back
1692		2318
1693	=head3 cf::object	2319	=head3 cf::object
1694		2320
…		…
1698		2324
1699	=over 4	2325	=over 4
1700		2326
1701	=item $ob->inv_recursive	2327	=item $ob->inv_recursive
1702		2328
1703	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.
1704		2331
1705	=cut	2332	=cut
1706		2333
1707	sub inv_recursive_;	2334	sub inv_recursive_;
1708	sub inv_recursive_ {	2335	sub inv_recursive_ {
…		…
1711		2338
1712	sub inv_recursive {	2339	sub inv_recursive {
1713	inv_recursive_ inv $_[0]	2340	inv_recursive_ inv $_[0]
1714	}	2341	}
1715		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
1716	package cf;	2371	package cf;
1717		2372
1718	=back	2373	=back
1719		2374
1720	=head3 cf::object::player	2375	=head3 cf::object::player
…		…
1726	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>
1727	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
1728	dialogue with the given NPC character.	2383	dialogue with the given NPC character.
1729		2384
1730	=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	};
1731		2400
1732	# rough implementation of a future "reply" method that works	2401	# rough implementation of a future "reply" method that works
1733	# with dialog boxes.	2402	# with dialog boxes.
1734	#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
1735	sub cf::object::player::reply($$$;$) {	2404	sub cf::object::player::reply($$$;$) {
…		…
1737		2406
1738	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2407	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1739		2408
1740	if ($self->{record_replies}) {	2409	if ($self->{record_replies}) {
1741	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2410	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2411
1742	} 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 {
1743	$msg = $npc->name . " says: $msg" if $npc;	2420	$msg = $npc->name . " says: $msg" if $npc;
1744	$self->message ($msg, $flags);	2421	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2422	}
1745	}	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 (@_);
1746	}	2434	}
1747		2435
1748	=item $player_object->may ("access")	2436	=item $player_object->may ("access")
1749		2437
1750	Returns wether the given player is authorized to access resource "access"	2438	Returns wether the given player is authorized to access resource "access"
…		…
1763		2451
1764	=item $player_object->enter_link	2452	=item $player_object->enter_link
1765		2453
1766	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}>).
1767		2455
1768	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.
1769	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.
1770		2460
1771	Will never block.	2461	Will never block.
1772		2462
1773	=item $player_object->leave_link ($map, $x, $y)	2463	=item $player_object->leave_link ($map, $x, $y)
1774		2464
…		…
1797	$self->deactivate_recursive;	2487	$self->deactivate_recursive;
1798		2488
1799	return if UNIVERSAL::isa $self->map, "ext::map_link";	2489	return if UNIVERSAL::isa $self->map, "ext::map_link";
1800		2490
1801	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2491	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1802	if $self->map;	2492	if $self->map && $self->map->{path} ne "{link}";
1803		2493
1804	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2494	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1805	}	2495	}
1806		2496
1807	sub cf::object::player::leave_link {	2497	sub cf::object::player::leave_link {
1808	my ($self, $map, $x, $y) = @_;	2498	my ($self, $map, $x, $y) = @_;
		2499
		2500	return unless $self->contr->active;
1809		2501
1810	my $link_pos = delete $self->{_link_pos};	2502	my $link_pos = delete $self->{_link_pos};
1811		2503
1812	unless ($map) {	2504	unless ($map) {
1813	# restore original map position	2505	# restore original map position
…		…
1827	# use -1 or undef as default coordinates, not 0, 0	2519	# use -1 or undef as default coordinates, not 0, 0
1828	($x, $y) = ($map->enter_x, $map->enter_y)	2520	($x, $y) = ($map->enter_x, $map->enter_y)
1829	if $x <=0 && $y <= 0;	2521	if $x <=0 && $y <= 0;
1830		2522
1831	$map->load;	2523	$map->load;
1832	$map->load_diag;	2524	$map->load_neighbours;
1833		2525
1834	return unless $self->contr->active;	2526	return unless $self->contr->active;
		2527	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1835	$self->activate_recursive;	2528	$self->activate_recursive;
1836		2529
1837	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2530	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1838	$self->enter_map ($map, $x, $y);	2531	$self->enter_map ($map, $x, $y);
1839	}	2532	}
1840		2533
1841	cf::player->attach (	2534	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1842	on_logout => sub {
1843	my ($pl) = @_;
1844		2535
1845	# abort map switching before logout	2536	Moves the player to the given map-path and coordinates by first freezing
1846	if ($pl->ob->{_link_pos}) {	2537	her, loading and preparing them map, calling the provided $check callback
1847	cf::sync_job {	2538	that has to return the map if sucecssful, and then unfreezes the player on
1848	$pl->ob->leave_link	2539	the new (success) or old (failed) map position. In either case, $done will
1849	};	2540	be called at the end of this process.
1850	}
1851	},
1852	on_login => sub {
1853	my ($pl) = @_;
1854		2541
1855	# try to abort aborted map switching on player login :)	2542	Note that $check will be called with a potentially non-loaded map, so if
1856	# should happen only on crashes	2543	it needs a loaded map it has to call C<< ->load >>.
1857	if ($pl->ob->{_link_pos}) {
1858	$pl->ob->enter_link;
1859	(async {
1860	$pl->ob->reply (undef,
1861	"There was an internal problem at your last logout, "
1862	. "the server will try to bring you to your intended destination in a second.",
1863	cf::NDI_RED);
1864	# we need this sleep as the login has a concurrent enter_exit running
1865	# and this sleep increases chances of the player not ending up in scorn
1866	Coro::Timer::sleep 1;
1867	$pl->ob->leave_link;
1868	})->prio (2);
1869	}
1870	},
1871	);
1872		2544
1873	=item $player_object->goto ($path, $x, $y)
1874
1875	=cut	2545	=cut
		2546
		2547	our $GOTOGEN;
1876		2548
1877	sub cf::object::player::goto {	2549	sub cf::object::player::goto {
1878	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;
1879		2554
1880	$self->enter_link;	2555	$self->enter_link;
1881		2556
1882	(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
1883	my $map = eval {	2579	my $map = eval {
1884	my $map = cf::map::find $path;	2580	my $map = defined $path ? cf::map::find $path : undef;
		2581
		2582	if ($map) {
1885	$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
1886	$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 $@;
1887	} or	2595	}
1888	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1889		2596
		2597	if ($gen == $self->{_goto_generation}) {
		2598	delete $self->{_goto_generation};
1890	$self->leave_link ($map, $x, $y);	2599	$self->leave_link ($map, $x, $y);
		2600	}
		2601
		2602	$done->() if $done;
1891	})->prio (1);	2603	})->prio (1);
1892	}	2604	}
1893		2605
1894	=item $player_object->enter_exit ($exit_object)	2606	=item $player_object->enter_exit ($exit_object)
1895		2607
…		…
1915	}	2627	}
1916		2628
1917	sub prepare_random_map {	2629	sub prepare_random_map {
1918	my ($exit) = @_;	2630	my ($exit) = @_;
1919		2631
1920	my $guard = cf::lock_acquire "exit_prepare:$exit";
1921
1922	# all this does is basically replace the /! path by	2632	# all this does is basically replace the /! path by
1923	# a new random map path (?random/...) with a seed	2633	# a new random map path (?random/...) with a seed
1924	# that depends on the exit object	2634	# that depends on the exit object
1925		2635
1926	my $rmp = parse_random_map_params $exit->msg;	2636	my $rmp = parse_random_map_params $exit->msg;
…		…
1928	if ($exit->map) {	2638	if ($exit->map) {
1929	$rmp->{region} = $exit->region->name;	2639	$rmp->{region} = $exit->region->name;
1930	$rmp->{origin_map} = $exit->map->path;	2640	$rmp->{origin_map} = $exit->map->path;
1931	$rmp->{origin_x} = $exit->x;	2641	$rmp->{origin_x} = $exit->x;
1932	$rmp->{origin_y} = $exit->y;	2642	$rmp->{origin_y} = $exit->y;
		2643
		2644	$exit->map->touch;
1933	}	2645	}
1934		2646
1935	$rmp->{random_seed} ||= $exit->random_seed;	2647	$rmp->{random_seed} ||= $exit->random_seed;
1936		2648
1937	my $data = cf::to_json $rmp;	2649	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1938	my $md5 = Digest::MD5::md5_hex $data;	2650	my $md5 = Digest::MD5::md5_hex $data;
1939	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2651	my $meta = "$RANDOMDIR/$md5.meta";
1940		2652
1941	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2653	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1942	aio_write $fh, 0, (length $data), $data, 0;	2654	aio_write $fh, 0, (length $data), $data, 0;
1943	undef $fh;	2655	undef $fh;
1944	aio_rename "$meta~", $meta;	2656	aio_rename "$meta~", $meta;
1945		2657
		2658	my $slaying = "?random/$md5";
		2659
		2660	if ($exit->valid) {
1946	$exit->slaying ("?random/$md5");	2661	$exit->slaying ("?random/$md5");
1947	$exit->msg (undef);	2662	$exit->msg (undef);
		2663	}
1948	}	2664	}
1949	}	2665	}
1950		2666
1951	sub cf::object::player::enter_exit {	2667	sub cf::object::player::enter_exit {
1952	my ($self, $exit) = @_;	2668	my ($self, $exit) = @_;
1953		2669
1954	return unless $self->type == cf::PLAYER;	2670	return unless $self->type == cf::PLAYER;
1955		2671
1956	if ($exit->slaying eq "/!") {
1957	#TODO: this should de-fi-ni-te-ly not be a sync-job
1958	cf::sync_job { prepare_random_map $exit };
1959	}
1960
1961	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1962	my $hp = $exit->stats->hp;
1963	my $sp = $exit->stats->sp;
1964
1965	$self->enter_link;	2672	$self->enter_link;
1966		2673
1967	(async {	2674	(async {
1968	$self->deactivate_recursive; # just to be sure	2675	$Coro::current->{desc} = "enter_exit";
		2676
1969	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
1970	$self->goto ($slaying, $hp, $sp);	2692	$self->goto ($map, $x, $y);
1971		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
1972	1;	2698	1
1973	}) {	2699	}) {
1974	$self->message ("Something went wrong deep within the crossfire server. "	2700	$self->message ("Something went wrong deep within the deliantra server. "
1975	. "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. "
1976	. "Please report this to the dungeon master!",	2702	. "Please report this to the dungeon master!",
1977	cf::NDI_UNIQUE | cf::NDI_RED);	2703	cf::NDI_UNIQUE | cf::NDI_RED);
1978		2704
1979	warn "ERROR in enter_exit: $@";	2705	warn "ERROR in enter_exit: $@";
1980	$self->leave_link;	2706	$self->leave_link;
1981	}	2707	}
1982	})->prio (1);	2708	})->prio (1);
…		…
1998		2724
1999	utf8::encode $text;	2725	utf8::encode $text;
2000	$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);
2001	}	2727	}
2002		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	}
2003		2911
2004	=item $success = $client->query ($flags, "text", \&cb)	2912	=item $success = $client->query ($flags, "text", \&cb)
2005		2913
2006	Queues a query to the client, calling the given callback with	2914	Queues a query to the client, calling the given callback with
2007	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>,
2008	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>.
2009		2917
2010	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
2011	reliable at some point in the future.	2919	become reliable at some point in the future.
2012		2920
2013	=cut	2921	=cut
2014		2922
2015	sub cf::client::query {	2923	sub cf::client::query {
2016	my ($self, $flags, $text, $cb) = @_;	2924	my ($self, $flags, $text, $cb) = @_;
…		…
2024	utf8::encode $text;	2932	utf8::encode $text;
2025	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2933	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2026		2934
2027	$self->send_packet ($self->{query_queue}[0][0])	2935	$self->send_packet ($self->{query_queue}[0][0])
2028	if @{ $self->{query_queue} } == 1;	2936	if @{ $self->{query_queue} } == 1;
		2937
		2938	1
2029	}	2939	}
2030		2940
2031	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	},
2032	on_reply => sub {	2947	on_reply => sub {
2033	my ($ns, $msg) = @_;	2948	my ($ns, $msg) = @_;
2034		2949
2035	# this weird shuffling is so that direct followup queries	2950	# this weird shuffling is so that direct followup queries
2036	# get handled first	2951	# get handled first
…		…
2048	} else {	2963	} else {
2049	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2964	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2050	}	2965	}
2051	}	2966	}
2052	},	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	},
2053	);	2994	);
2054		2995
2055	=item $client->async (\&cb)	2996	=item $client->async (\&cb)
2056		2997
2057	Create a new coroutine, running the specified callback. The coroutine will	2998	Create a new coroutine, running the specified callback. The coroutine will
…		…
2098	our $safe = new Safe "safe";	3039	our $safe = new Safe "safe";
2099	our $safe_hole = new Safe::Hole;	3040	our $safe_hole = new Safe::Hole;
2100		3041
2101	$SIG{FPE} = 'IGNORE';	3042	$SIG{FPE} = 'IGNORE';
2102		3043
2103	$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	));
2104		3049
2105	# here we export the classes and methods available to script code	3050	# here we export the classes and methods available to script code
2106		3051
2107	=pod	3052	=pod
2108		3053
2109	The following fucntions and emthods are available within a safe environment:	3054	The following functions and methods are available within a safe environment:
2110		3055
2111	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
2112	cf::object::player player	3061	cf::object::player
2113	cf::player peaceful	3062	player
2114	cf::map trigger	3063
		3064	cf::player
		3065	peaceful
		3066
		3067	cf::map
		3068	trigger
2115		3069
2116	=cut	3070	=cut
2117		3071
2118	for (	3072	for (
2119	["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)],
2120	["cf::object::player" => qw(player)],	3076	["cf::object::player" => qw(player)],
2121	["cf::player" => qw(peaceful)],	3077	["cf::player" => qw(peaceful send_msg)],
2122	["cf::map" => qw(trigger)],	3078	["cf::map" => qw(trigger)],
2123	) {	3079	) {
2124	no strict 'refs';	3080	no strict 'refs';
2125	my ($pkg, @funs) = @$_;	3081	my ($pkg, @funs) = @$_;
2126	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3082	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2143	my ($code, %vars) = @_;	3099	my ($code, %vars) = @_;
2144		3100
2145	my $qcode = $code;	3101	my $qcode = $code;
2146	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3102	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2147	$qcode =~ s/\n/\\n/g;	3103	$qcode =~ s/\n/\\n/g;
		3104
		3105	%vars = (_dummy => 0) unless %vars;
2148		3106
2149	local $_;	3107	local $_;
2150	local @safe::cf::_safe_eval_args = values %vars;	3108	local @safe::cf::_safe_eval_args = values %vars;
2151		3109
2152	my $eval =	3110	my $eval =
…		…
2195	=back	3153	=back
2196		3154
2197	=cut	3155	=cut
2198		3156
2199	#############################################################################	3157	#############################################################################
2200
2201	=head2 EXTENSION DATABASE SUPPORT
2202
2203	Crossfire maintains a very simple database for extension use. It can
2204	currently store anything that can be serialised using Storable, which
2205	excludes objects.
2206
2207	The parameter C<$family> should best start with the name of the extension
2208	using it, it should be unique.
2209
2210	=over 4
2211
2212	=item $value = cf::db_get $family => $key
2213
2214	Returns a single value from the database.
2215
2216	=item cf::db_put $family => $key => $value
2217
2218	Stores the given C<$value> in the family.
2219
2220	=cut
2221
2222	our $DB;
2223
2224	sub db_init {
2225	unless ($DB) {
2226	$DB = BDB::db_create $DB_ENV;
2227
2228	cf::sync_job {
2229	eval {
2230	$DB->set_flags (BDB::CHKSUM);
2231
2232	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2233	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2234	cf::cleanup "db_open(db): $!" if $!;
2235	};
2236	cf::cleanup "db_open(db): $@" if $@;
2237	};
2238
2239	my $path = cf::localdir . "/database.pst";
2240	if (stat $path) {
2241	cf::sync_job {
2242	my $pst = Storable::retrieve $path;
2243
2244	cf::db_put (board => data => $pst->{board});
2245	cf::db_put (guildrules => data => $pst->{guildrules});
2246	cf::db_put (rent => balance => $pst->{rent}{balance});
2247	BDB::db_env_txn_checkpoint $DB_ENV;
2248
2249	unlink $path;
2250	};
2251	}
2252	}
2253	}
2254
2255	sub db_get($$) {
2256	my $key = "$_[0]/$_[1]";
2257
2258	cf::sync_job {
2259	BDB::db_get $DB, undef, $key, my $data;
2260
2261	$! ? ()
2262	: Compress::LZF::sthaw $data
2263	}
2264	}
2265
2266	sub db_put($$$) {
2267	BDB::dbreq_pri 4;
2268	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2269	}
2270
2271	#############################################################################
2272	# the server's init and main functions	3158	# the server's init and main functions
2273		3159
2274	sub load_faces {	3160	sub load_facedata($) {
2275	my $path = sprintf "%s/faces", cf::datadir;	3161	my ($path) = @_;
2276		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;
		3168
2277	warn "loading faces from $path\n";	3169	warn "loading facedata from $path\n";
2278		3170
2279	my $faces;	3171	my $facedata;
2280	0 < aio_load $path, $faces	3172	0 < aio_load $path, $facedata
2281	or die "$path: $!";	3173	or die "$path: $!";
2282		3174
2283	Coro::cede;
2284	$faces = Storable::thaw $faces;	3175	$facedata = Coro::Storable::thaw $facedata;
2285	Coro::cede;
2286		3176
		3177	$facedata->{version} == 2
		3178	or cf::cleanup "$path: version mismatch, cannot proceed.";
		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
2287	while (my ($face, $info) = each %$faces) {	3190	while (my ($face, $info) = each %$faces) {
2288	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3191	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2289	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};
2290	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3195	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2291	Coro::cede;	3196	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2292	}
2293		3197
		3198	cf::cede_to_tick;
		3199	}
		3200
2294	while (my ($face, $info) = each %$faces) {	3201	while (my ($face, $info) = each %$faces) {
2295	next unless $info->{smooth};	3202	next unless $info->{smooth};
		3203
2296	my $idx = cf::face::find $face	3204	my $idx = cf::face::find $face
2297	or next;	3205	or next;
		3206
2298	if (my $smooth = cf::face::find $info->{smooth}) {	3207	if (my $smooth = cf::face::find $info->{smooth}) {
2299	cf::face::set_smooth $idx, $smooth;	3208	cf::face::set_smooth $idx, $smooth;
2300	warn "smooth $idx,$smooth ($face,$info->{smooth})\n";#d#	3209	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2301	} else {	3210	} else {
2302	warn "smooth face '$info->{smooth}' not found for face '$face'";	3211	warn "smooth face '$info->{smooth}' not found for face '$face'";
2303	}	3212	}
2304	Coro::cede;	3213
		3214	cf::cede_to_tick;
		3215	}
		3216	}
		3217
2305	}	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);
2306		3263
2307	1	3264	1
2308	}	3265	}
2309		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
2310	sub reload_resources {	3334	sub reload_resources {
2311	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3335	warn "reloading resource files...\n";
2312	or die "unable to load regions file\n";#d#	3336
2313	load_faces	3337	reload_facedata;
2314	or die "unable to load faces\n";#d#	3338	reload_archetypes;
2315	}
2316
2317	sub init {
2318	reload_resources;	3339	reload_regions;
2319	}	3340	reload_treasures;
2320		3341
2321	sub cfg_load {	3342	warn "finished reloading resource files\n";
		3343	}
		3344
		3345	sub reload_config {
2322	open my $fh, "<:utf8", cf::confdir . "/config"	3346	open my $fh, "<:utf8", "$CONFDIR/config"
2323	or return;	3347	or return;
2324		3348
2325	local $/;	3349	local $/;
2326	*CFG = YAML::Syck::Load <$fh>;	3350	*CFG = YAML::Load <$fh>;
2327		3351
2328	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3352	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2329		3353
2330	$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};
2331	$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};
…		…
2337	};	3361	};
2338	warn $@ if $@;	3362	warn $@ if $@;
2339	}	3363	}
2340	}	3364	}
2341		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
2342	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
2343	# we must not ever block the main coroutine	3400	# we must not ever block the main coroutine
2344	local $Coro::idle = sub {	3401	local $Coro::idle = sub {
2345	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#
2346	(async {	3403	(async {
2347	Event::one_event;	3404	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3405	EV::loop EV::LOOP_ONESHOT;
2348	})->prio (Coro::PRIO_MAX);	3406	})->prio (Coro::PRIO_MAX);
2349	};	3407	};
2350		3408
2351	cfg_load;	3409	evthread_start IO::AIO::poll_fileno;
		3410
		3411	cf::sync_job {
		3412	reload_resources;
		3413	reload_config;
2352	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
2353	load_extensions;	3427	load_extensions;
2354		3428
2355	$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
2356	Event::loop;	3437	EV::loop;
2357	}	3438	}
2358		3439
2359	#############################################################################	3440	#############################################################################
2360	# initialisation and cleanup	3441	# initialisation and cleanup
2361		3442
2362	# install some emergency cleanup handlers	3443	# install some emergency cleanup handlers
2363	BEGIN {	3444	BEGIN {
		3445	our %SIGWATCHER = ();
2364	for my $signal (qw(INT HUP TERM)) {	3446	for my $signal (qw(INT HUP TERM)) {
2365	Event->signal (	3447	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2366	reentrant => 0,
2367	data => WF_AUTOCANCEL,
2368	signal => $signal,
2369	prio => 0,
2370	cb => sub {
2371	cf::cleanup "SIG$signal";	3448	cf::cleanup "SIG$signal";
2372	},
2373	);	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
2374	}	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 };
2375	}	3537	}
2376		3538
2377	sub emergency_save() {	3539	sub emergency_save() {
2378	my $freeze_guard = cf::freeze_mainloop;	3540	my $freeze_guard = cf::freeze_mainloop;
2379		3541
2380	warn "enter emergency perl save\n";	3542	warn "emergency_perl_save: enter\n";
2381		3543
2382	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
2383	# use a peculiar iteration method to avoid tripping on perl	3550	# use a peculiar iteration method to avoid tripping on perl
2384	# refcount bugs in for. also avoids problems with players	3551	# refcount bugs in for. also avoids problems with players
2385	# and maps saved/destroyed asynchronously.	3552	# and maps saved/destroyed asynchronously.
2386	warn "begin emergency player save\n";	3553	warn "emergency_perl_save: begin player save\n";
2387	for my $login (keys %cf::PLAYER) {	3554	for my $login (keys %cf::PLAYER) {
2388	my $pl = $cf::PLAYER{$login} or next;	3555	my $pl = $cf::PLAYER{$login} or next;
2389	$pl->valid or next;	3556	$pl->valid or next;
		3557	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2390	$pl->save;	3558	$pl->save;
2391	}	3559	}
2392	warn "end emergency player save\n";	3560	warn "emergency_perl_save: end player save\n";
2393		3561
2394	warn "begin emergency map save\n";	3562	warn "emergency_perl_save: begin map save\n";
2395	for my $path (keys %cf::MAP) {	3563	for my $path (keys %cf::MAP) {
2396	my $map = $cf::MAP{$path} or next;	3564	my $map = $cf::MAP{$path} or next;
2397	$map->valid or next;	3565	$map->valid or next;
2398	$map->save;	3566	$map->save;
2399	}	3567	}
2400	warn "end emergency map save\n";	3568	warn "emergency_perl_save: end map save\n";
2401		3569
2402	warn "begin emergency database checkpoint\n";	3570	warn "emergency_perl_save: begin database checkpoint\n";
2403	BDB::db_env_txn_checkpoint $DB_ENV;	3571	BDB::db_env_txn_checkpoint $DB_ENV;
2404	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";
2405	};	3577	};
2406		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
2407	warn "leave emergency perl save\n";	3584	warn "emergency_perl_save: leave\n";
2408	}	3585	}
2409		3586
2410	sub post_cleanup {	3587	sub post_cleanup {
2411	my ($make_core) = @_;	3588	my ($make_core) = @_;
2412		3589
2413	warn Carp::longmess "post_cleanup backtrace"	3590	warn Carp::longmess "post_cleanup backtrace"
2414	if $make_core;	3591	if $make_core;
2415	}
2416		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 $pkg\n";#d#
		3621	}
		3622
2417	sub reload() {	3623	sub do_reload_perl() {
2418	# can/must only be called in main	3624	# can/must only be called in main
2419	if ($Coro::current != $Coro::main) {	3625	if ($Coro::current != $Coro::main) {
2420	warn "can only reload from main coroutine";	3626	warn "can only reload from main coroutine";
2421	return;	3627	return;
2422	}	3628	}
2423		3629
		3630	return if $RELOAD++;
		3631
		3632	my $t1 = EV::time;
		3633
		3634	while ($RELOAD) {
2424	warn "reloading...";	3635	warn "reloading...";
2425		3636
2426	warn "entering sync_job";	3637	warn "entering sync_job";
2427		3638
2428	cf::sync_job {	3639	cf::sync_job {
2429	cf::write_runtime; # external watchdog should not bark	3640	cf::write_runtime_sync; # external watchdog should not bark
2430	cf::emergency_save;	3641	cf::emergency_save;
2431	cf::write_runtime; # external watchdog should not bark	3642	cf::write_runtime_sync; # external watchdog should not bark
2432		3643
2433	warn "syncing database to disk";	3644	warn "syncing database to disk";
2434	BDB::db_env_txn_checkpoint $DB_ENV;	3645	BDB::db_env_txn_checkpoint $DB_ENV;
2435		3646
2436	# 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
2437		3648
2438	warn "cancelling all WF_AUTOCANCEL watchers";
2439	for (Event::all_watchers) {
2440	$_->cancel if $_->data & WF_AUTOCANCEL;
2441	}
2442
2443	warn "flushing outstanding aio requests";	3649	warn "flushing outstanding aio requests";
2444	for (;;) {
2445	BDB::flush;
2446	IO::AIO::flush;
2447	Coro::cede;
2448	last unless IO::AIO::nreqs || BDB::nreqs;	3650	while (IO::AIO::nreqs || BDB::nreqs) {
2449	warn "iterate...";	3651	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2450	}
2451
2452	++$RELOAD;
2453
2454	warn "cancelling all extension coros";
2455	$_->cancel for values %EXT_CORO;
2456	%EXT_CORO = ();
2457
2458	warn "removing commands";
2459	%COMMAND = ();
2460
2461	warn "removing ext commands";
2462	%EXTCMD = ();
2463
2464	warn "unloading/nuking all extensions";
2465	for my $pkg (@EXTS) {
2466	warn "... unloading $pkg";
2467
2468	if (my $cb = $pkg->can ("unload")) {
2469	eval {
2470	$cb->($pkg);
2471	1
2472	} or warn "$pkg unloaded, but with errors: $@";
2473	}	3652	}
2474		3653
2475	warn "... nuking $pkg";	3654	warn "cancelling all extension coros";
2476	Symbol::delete_package $pkg;	3655	$_->cancel for values %EXT_CORO;
2477	}	3656	%EXT_CORO = ();
2478		3657
2479	warn "unloading all perl modules loaded from $LIBDIR";	3658	warn "removing commands";
2480	while (my ($k, $v) = each %INC) {	3659	%COMMAND = ();
2481	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2482		3660
		3661	warn "removing ext/exti commands";
		3662	%EXTCMD = ();
		3663	%EXTICMD = ();
		3664
		3665	warn "unloading/nuking all extensions";
		3666	for my $pkg (@EXTS) {
2483	warn "... unloading $k";	3667	warn "... unloading $pkg";
2484	delete $INC{$k};
2485		3668
2486	$k =~ s/\.pm$//;
2487	$k =~ s/\//::/g;
2488
2489	if (my $cb = $k->can ("unload_module")) {	3669	if (my $cb = $pkg->can ("unload")) {
		3670	eval {
2490	$cb->();	3671	$cb->($pkg);
		3672	1
		3673	} or warn "$pkg unloaded, but with errors: $@";
		3674	}
		3675
		3676	warn "... clearing $pkg";
		3677	clear_package $pkg;
2491	}	3678	}
2492		3679
2493	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 $k;
2494	}	3695	}
2495		3696
2496	warn "getting rid of safe::, as good as possible";	3697	warn "getting rid of safe::, as good as possible";
2497	Symbol::delete_package "safe::$_"	3698	clear_package "safe::$_"
2498	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);
2499		3700
2500	warn "unloading cf.pm \"a bit\"";	3701	warn "unloading cf.pm \"a bit\"";
2501	delete $INC{"cf.pm"};	3702	delete $INC{"cf.pm"};
		3703	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2502		3704
2503	# don't, removes xs symbols, too,	3705	# don't, removes xs symbols, too,
2504	# and global variables created in xs	3706	# and global variables created in xs
2505	#Symbol::delete_package __PACKAGE__;	3707	#clear_package __PACKAGE__;
2506		3708
2507	warn "unload completed, starting to reload now";	3709	warn "unload completed, starting to reload now";
2508		3710
2509	warn "reloading cf.pm";	3711	warn "reloading cf.pm";
2510	require cf;	3712	require cf;
2511	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3713	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2512		3714
2513	warn "loading config and database again";	3715	warn "loading config and database again";
2514	cf::cfg_load;	3716	cf::reload_config;
2515		3717
2516	warn "loading extensions";	3718	warn "loading extensions";
2517	cf::load_extensions;	3719	cf::load_extensions;
2518		3720
		3721	if ($REATTACH_ON_RELOAD) {
2519	warn "reattaching attachments to objects/players";	3722	warn "reattaching attachments to objects/players";
2520	_global_reattach; # objects, sockets	3723	_global_reattach; # objects, sockets
2521	warn "reattaching attachments to maps";	3724	warn "reattaching attachments to maps";
2522	reattach $_ for values %MAP;	3725	reattach $_ for values %MAP;
2523	warn "reattaching attachments to players";	3726	warn "reattaching attachments to players";
2524	reattach $_ for values %PLAYER;	3727	reattach $_ for values %PLAYER;
		3728	}
2525		3729
2526	warn "loading reloadable resources";	3730	warn "running post_init jobs";
2527	reload_resources;	3731	(pop @POST_INIT)->(1) while @POST_INIT;
2528		3732
2529	warn "leaving sync_job";	3733	warn "leaving sync_job";
2530		3734
2531	1	3735	1
2532	} or do {	3736	} or do {
2533	warn $@;	3737	warn $@;
2534	warn "error while reloading, exiting.";	3738	cf::cleanup "error while reloading, exiting.";
2535	exit 1;	3739	};
		3740
		3741	warn "reloaded";
		3742	--$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	};
2536	};	3762	};
2537		3763	}
2538	warn "reloaded";
2539	};
2540
2541	our $RELOAD_WATCHER; # used only during reload
2542		3764
2543	register_command "reload" => sub {	3765	register_command "reload" => sub {
2544	my ($who, $arg) = @_;	3766	my ($who, $arg) = @_;
2545		3767
2546	if ($who->flag (FLAG_WIZ)) {	3768	if ($who->flag (FLAG_WIZ)) {
2547	$who->message ("reloading server.");	3769	$who->message ("reloading server.");
2548		3770	async {
2549	# doing reload synchronously and two reloads happen back-to-back,	3771	$Coro::current->{desc} = "perl_reload";
2550	# coro crashes during coro_state_free->destroy here.
2551
2552	$RELOAD_WATCHER ||= Event->timer (
2553	reentrant => 0,
2554	after => 0,
2555	data => WF_AUTOCANCEL,
2556	cb => sub {
2557	reload;	3772	reload_perl;
2558	undef $RELOAD_WATCHER;
2559	},
2560	);	3773	};
2561	}	3774	}
2562	};	3775	};
2563		3776
2564	unshift @INC, $LIBDIR;	3777	unshift @INC, $LIBDIR;
2565		3778
2566	my $bug_warning = 0;	3779	my $bug_warning = 0;
2567		3780
2568	$TICK_WATCHER = Event->timer (	3781	our @WAIT_FOR_TICK;
2569	reentrant => 0,	3782	our @WAIT_FOR_TICK_BEGIN;
2570	parked => 1,	3783
2571	prio => 0,	3784	sub wait_for_tick {
2572	at => $NEXT_TICK || $TICK,	3785	return if tick_inhibit || $Coro::current == $Coro::main;
2573	data => WF_AUTOCANCEL,	3786
2574	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	$signal->wait;
		3798	}
		3799
		3800	sub tick {
2575	if ($Coro::current != $Coro::main) {	3801	if ($Coro::current != $Coro::main) {
2576	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3802	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2577	unless ++$bug_warning > 10;	3803	unless ++$bug_warning > 10;
2578	return;	3804	return;
2579	}	3805	}
2580		3806
2581	$NOW = Event::time;
2582
2583	cf::server_tick; # one server iteration	3807	cf::server_tick; # one server iteration
2584	$RUNTIME += $TICK;
2585	$NEXT_TICK += $TICK;
2586		3808
2587	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3809	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2588	$NEXT_RUNTIME_WRITE = $NOW + 10;	3810	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2589	Coro::async_pool {	3811	Coro::async_pool {
		3812	$Coro::current->{desc} = "runtime saver";
2590	write_runtime	3813	write_runtime_sync
2591	or warn "ERROR: unable to write runtime file: $!";	3814	or warn "ERROR: unable to write runtime file: $!";
2592	};
2593	}	3815	};
2594
2595	$WAIT_FOR_TICK->broadcast;
2596	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2597
2598	# my $AFTER = Event::time;
2599	# warn $AFTER - $NOW;#d#
2600
2601	# if we are delayed by four ticks or more, skip them all
2602	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2603
2604	$TICK_WATCHER->at ($NEXT_TICK);
2605	$TICK_WATCHER->start;
2606	},	3816	}
2607	);	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	}
2608		3836
2609	{	3837	{
2610	BDB::max_poll_time $TICK * 0.1;	3838	# configure BDB
2611	$BDB_POLL_WATCHER = Event->io (	3839
2612	reentrant => 0,
2613	fd => BDB::poll_fileno,
2614	poll => 'r',
2615	prio => 0,
2616	data => WF_AUTOCANCEL,
2617	cb => \&BDB::poll_cb,
2618	);
2619	BDB::min_parallel 8;	3840	BDB::min_parallel 8;
2620		3841	BDB::max_poll_reqs $TICK * 0.1;
2621	BDB::set_sync_prepare {	3842	$AnyEvent::BDB::WATCHER->priority (1);
2622	my $status;
2623	my $current = $Coro::current;
2624	(
2625	sub {
2626	$status = $!;
2627	$current->ready; undef $current;
2628	},
2629	sub {
2630	Coro::schedule while defined $current;
2631	$! = $status;
2632	},
2633	)
2634	};
2635		3843
2636	unless ($DB_ENV) {	3844	unless ($DB_ENV) {
2637	$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);
2638		3851
2639	cf::sync_job {	3852	cf::sync_job {
2640	eval {	3853	eval {
2641	BDB::db_env_open	3854	BDB::db_env_open
2642	$DB_ENV,	3855	$DB_ENV,
2643	$BDB_ENV_DIR,	3856	$BDBDIR,
2644	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3857	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2645	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3858	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2646	0666;	3859	0666;
2647		3860
2648	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3861	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2649
2650	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2651	$DB_ENV->set_lk_detect;
2652	};	3862	};
2653		3863
2654	cf::cleanup "db_env_open(db): $@" if $@;	3864	cf::cleanup "db_env_open(db): $@" if $@;
2655	};	3865	};
2656	}	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	};
2657	}	3877	}
2658		3878
2659	{	3879	{
		3880	# configure IO::AIO
		3881
2660	IO::AIO::min_parallel 8;	3882	IO::AIO::min_parallel 8;
2661
2662	undef $Coro::AIO::WATCHER;
2663	IO::AIO::max_poll_time $TICK * 0.1;	3883	IO::AIO::max_poll_time $TICK * 0.1;
2664	$AIO_POLL_WATCHER = Event->io (	3884	undef $AnyEvent::AIO::WATCHER;
2665	reentrant => 0,
2666	data => WF_AUTOCANCEL,
2667	fd => IO::AIO::poll_fileno,
2668	poll => 'r',
2669	prio => 6,
2670	cb => \&IO::AIO::poll_cb,
2671	);
2672	}	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;
2673		3931
2674	END { cf::emergency_save }	3932	END { cf::emergency_save }
2675		3933
2676	1	3934	1
2677		3935

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