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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.250 by root, Wed Apr 18 14:24:10 2007 UTC vs.
Revision 1.466 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 Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;	56	use Digest::MD5;
28	use Fcntl;	57	use Fcntl;
29	use YAML::Syck ();	58	use YAML ();
30	use IO::AIO 2.32 ();	59	use IO::AIO ();
31	use Time::HiRes;	60	use Time::HiRes;
32	use Compress::LZF;	61	use Compress::LZF;
		62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
33		65
34	# configure various modules to our taste	66	# configure various modules to our taste
35	#	67	#
36	$Storable::canonical = 1; # reduce rsync transfers	68	$Storable::canonical = 1; # reduce rsync transfers
37	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";
38	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
39
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		76
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		78
49	our %COMMAND = ();	79	our %COMMAND = ();
50	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
51		81
52	our @EXTS = (); # list of extension package names	82	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	83	our %EXTCMD = ();
		84	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	85	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	86	our %EXT_MAP = (); # pluggable maps
56		87
57	our $RELOAD; # number of reloads so far	88	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	89	our @EVENT;
59	our $LIBDIR = datadir . "/ext";	90
		91	our $CONFDIR = confdir;
		92	our $DATADIR = datadir;
		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;
60		106
61	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	107	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
62	our $TICK_WATCHER;
63	our $AIO_POLL_WATCHER;
64	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	108	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
65	our $NEXT_TICK;	109	our $NEXT_TICK;
66	our $NOW;
67	our $USE_FSYNC = 1; # use fsync to write maps - default off	110	our $USE_FSYNC = 1; # use fsync to write maps - default off
68		111
		112	our $BDB_DEADLOCK_WATCHER;
		113	our $BDB_CHECKPOINT_WATCHER;
69	our $BDB_POLL_WATCHER;	114	our $BDB_TRICKLE_WATCHER;
70	our $DB_ENV;	115	our $DB_ENV;
		116
		117	our @EXTRA_MODULES = qw(pod mapscript);
71		118
72	our %CFG;	119	our %CFG;
73		120
74	our $UPTIME; $UPTIME ||= time;	121	our $UPTIME; $UPTIME ||= time;
75	our $RUNTIME;	122	our $RUNTIME;
		123	our $NOW;
76		124
77	our %PLAYER; # all users	125	our (%PLAYER, %PLAYER_LOADING); # all users
78	our %MAP; # all maps	126	our (%MAP, %MAP_LOADING ); # all maps
79	our $LINK_MAP; # the special {link} map, which is always available	127	our $LINK_MAP; # the special {link} map, which is always available
80	our $RANDOM_MAPS = cf::localdir . "/random";
81	our $BDB_ENV_DIR = cf::localdir . "/db";
82		128
83	# 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 ∕
84	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	130	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
85		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 $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
		140
86	binmode STDOUT;	141	binmode STDOUT;
87	binmode STDERR;	142	binmode STDERR;
88		143
89	# read virtual server time, if available	144	# read virtual server time, if available
90	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	145	unless ($RUNTIME || !-e $RUNTIMEFILE) {
91	open my $fh, "<", cf::localdir . "/runtime"	146	open my $fh, "<", $RUNTIMEFILE
92	or die "unable to read runtime file: $!";	147	or die "unable to read $RUNTIMEFILE file: $!";
93	$RUNTIME = <$fh> + 0.;	148	$RUNTIME = <$fh> + 0.;
94	}	149	}
95		150
96	mkdir cf::localdir;	151	mkdir $_
97	mkdir cf::localdir . "/" . cf::playerdir;	152	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
98	mkdir cf::localdir . "/" . cf::tmpdir;
99	mkdir cf::localdir . "/" . cf::uniquedir;
100	mkdir $RANDOM_MAPS;
101	mkdir $BDB_ENV_DIR;
102		153
103	our $EMERGENCY_POSITION;	154	our $EMERGENCY_POSITION;
104		155
105	sub cf::map::normalise;	156	sub cf::map::normalise;
106		157
…		…
117	=item $cf::RUNTIME	168	=item $cf::RUNTIME
118		169
119	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
120	every server tick.	171	every server tick.
121		172
122	=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
123		176
124	The perl library directory, where extensions and cf-specific modules can	177	Various directories - "/etc", read-only install directory, perl-library
125	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.
126		181
127	=item $cf::NOW	182	=item $cf::NOW
128		183
129	The time of the last (current) server tick.	184	The time of the last (current) server tick.
130		185
131	=item $cf::TICK	186	=item $cf::TICK
132		187
133	The interval between server ticks, in seconds.	188	The interval between server ticks, in seconds.
134		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
135	=item %cf::CFG	200	=item %cf::CFG
136		201
137	Configuration for the server, loaded from C</etc/crossfire/config>, or	202	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
138	from wherever your confdir points to.	203	from wherever your confdir points to.
139		204
140	=item cf::wait_for_tick, cf::wait_for_tick_begin	205	=item cf::wait_for_tick, cf::wait_for_tick_begin
141		206
142	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	207	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
143	returns directly I<after> the tick processing (and consequently, can only wake one process	208	returns directly I<after> the tick processing (and consequently, can only wake one process
144	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	209	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
145		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.
		216
146	=back	217	=back
147		218
148	=cut	219	=cut
149		220
150	BEGIN {	221	BEGIN {
…		…
152	my $msg = join "", @_;	223	my $msg = join "", @_;
153		224
154	$msg .= "\n"	225	$msg .= "\n"
155	unless $msg =~ /\n$/;	226	unless $msg =~ /\n$/;
156		227
157	$msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	228	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
158		229
159	utf8::encode $msg;
160	LOG llevError, $msg;	230	LOG llevError, $msg;
161	};	231	};
162	}	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#?
163		248
164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	249	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	250	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	251	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	252	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168	@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';
169	@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)
170		256
171	# 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
172	# within the Safe compartment.	258	# within the Safe compartment.
173	for my $pkg (qw(	259	for my $pkg (qw(
174	cf::global cf::attachable	260	cf::global cf::attachable
175	cf::object cf::object::player	261	cf::object cf::object::player
176	cf::client cf::player	262	cf::client cf::player
177	cf::arch cf::living	263	cf::arch cf::living
		264	cf::map cf::mapspace
178	cf::map cf::party cf::region	265	cf::party cf::region
179	)) {	266	)) {
180	no strict 'refs';
181	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	267	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
182	}	268	}
183		269
184	$Event::DIED = sub {	270	$EV::DIED = sub {
185	warn "error in event callback: @_";	271	warn "error in event callback: @_";
186	};	272	};
		273
		274	#############################################################################
187		275
188	=head2 UTILITY FUNCTIONS	276	=head2 UTILITY FUNCTIONS
189		277
190	=over 4	278	=over 4
191		279
…		…
210	$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;
211	$d	299	$d
212	} || "[unable to dump $_[0]: '$@']";	300	} || "[unable to dump $_[0]: '$@']";
213	}	301	}
214		302
215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
216
217	=item $ref = cf::from_json $json	303	=item $ref = cf::decode_json $json
218		304
219	Converts a JSON string into the corresponding perl data structure.	305	Converts a JSON string into the corresponding perl data structure.
220		306
221	=item $json = cf::to_json $ref	307	=item $json = cf::encode_json $ref
222		308
223	Converts a perl data structure into its JSON representation.	309	Converts a perl data structure into its JSON representation.
224		310
		311	=cut
		312
		313	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		314
		315	sub encode_json($) { $json_coder->encode ($_[0]) }
		316	sub decode_json($) { $json_coder->decode ($_[0]) }
		317
		318	=item cf::post_init { BLOCK }
		319
		320	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		321	but I<before> the server starts ticking again.
		322
		323	The cdoeblock will have a single boolean argument to indicate whether this
		324	is a reload or not.
		325
		326	=cut
		327
		328	sub post_init(&) {
		329	push @POST_INIT, shift;
		330	}
		331
225	=item cf::lock_wait $string	332	=item cf::lock_wait $string
226		333
227	Wait until the given lock is available. See cf::lock_acquire.	334	Wait until the given lock is available. See cf::lock_acquire.
228		335
229	=item my $lock = cf::lock_acquire $string	336	=item my $lock = cf::lock_acquire $string
230		337
231	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
232	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,
233	for example when the coroutine gets canceled), the lock is automatically	340	for example when the coroutine gets canceled), the lock is automatically
234	returned.	341	returned.
235		342
		343	Locks are *not* recursive, locking from the same coro twice results in a
		344	deadlocked coro.
		345
236	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
237	uses map_find and cf::map::load uses map_load).	347	uses map_find and cf::map::load uses map_load).
238		348
239	=cut	349	=item $locked = cf::lock_active $string
240		350
241	our %LOCK;	351	Return true if the lock is currently active, i.e. somebody has locked it.
		352
		353	=cut
		354
		355	our $LOCKS = new Coro::SemaphoreSet;
242		356
243	sub lock_wait($) {	357	sub lock_wait($) {
244	my ($key) = @_;	358	$LOCKS->wait ($_[0]);
245
246	# wait for lock, if any
247	while ($LOCK{$key}) {
248	push @{ $LOCK{$key} }, $Coro::current;
249	Coro::schedule;
250	}
251	}	359	}
252		360
253	sub lock_acquire($) {	361	sub lock_acquire($) {
254	my ($key) = @_;	362	$LOCKS->guard ($_[0])
		363	}
255		364
256	# wait, to be sure we are not locked	365	sub lock_active($) {
257	lock_wait $key;	366	$LOCKS->count ($_[0]) < 1
258
259	$LOCK{$key} = [];
260
261	Coro::guard {
262	# wake up all waiters, to be on the safe side
263	$_->ready for @{ delete $LOCK{$key} };
264	}
265	}	367	}
266		368
267	sub freeze_mainloop {	369	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	370	tick_inhibit_inc;
269		371
270	my $guard = Coro::guard {	372	&Guard::guard (\&tick_inhibit_dec);
271	$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($$) {
		383	my ($interval, $cb) = @_;
		384
		385	my $start = rand List::Util::min 180, $interval;
		386
		387	EV::periodic $start, $interval, 0, $cb
		388	}
		389
		390	=item cf::get_slot $time[, $priority[, $name]]
		391
		392	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		393	This call blocks and returns only when you have at least C<$time> seconds
		394	of cpu time till the next tick. The slot is only valid till the next cede.
		395
		396	The optional C<$name> can be used to identify the job to run. It might be
		397	used for statistical purposes and should identify the same time-class.
		398
		399	Useful for short background jobs.
		400
		401	=cut
		402
		403	our @SLOT_QUEUE;
		404	our $SLOT_QUEUE;
		405
		406	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		407	$SLOT_QUEUE = Coro::async {
		408	$Coro::current->desc ("timeslot manager");
		409
		410	my $signal = new Coro::Signal;
		411
		412	while () {
		413	next_job:
		414	my $avail = cf::till_tick;
		415	if ($avail > 0.01) {
		416	for (0 .. $#SLOT_QUEUE) {
		417	if ($SLOT_QUEUE[$_][0] < $avail) {
		418	my $job = splice @SLOT_QUEUE, $_, 1, ();
		419	$job->[2]->send;
		420	Coro::cede;
		421	goto next_job;
		422	}
		423	}
		424	}
		425
		426	if (@SLOT_QUEUE) {
		427	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		428	push @cf::WAIT_FOR_TICK, $signal;
		429	$signal->wait;
		430	} else {
		431	Coro::schedule;
		432	}
272	};	433	}
273	$TICK_WATCHER->stop;	434	};
274	$guard	435
		436	sub get_slot($;$$) {
		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	$sig->wait;
275	}	448	}
276		449
277	=item cf::async { BLOCK }	450	=item cf::async { BLOCK }
278		451
279	Currently the same as Coro::async_pool, meaning you cannot use	452	Currently the same as Coro::async_pool, meaning you cannot use
…		…
284		457
285	BEGIN { *async = \&Coro::async_pool }	458	BEGIN { *async = \&Coro::async_pool }
286		459
287	=item cf::sync_job { BLOCK }	460	=item cf::sync_job { BLOCK }
288		461
289	The design of crossfire+ requires that the main coro ($Coro::main) is	462	The design of Deliantra requires that the main coroutine ($Coro::main)
290	always able to handle events or runnable, as crossfire+ is only partly	463	is always able to handle events or runnable, as Deliantra is only
291	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	464	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		465	acceptable.
292		466
293	If it must be done, put the blocking parts into C<sync_job>. This will run	467	If it must be done, put the blocking parts into C<sync_job>. This will run
294	the given BLOCK in another coroutine while waiting for the result. The	468	the given BLOCK in another coroutine while waiting for the result. The
295	server will be frozen during this time, so the block should either finish	469	server will be frozen during this time, so the block should either finish
296	fast or be very important.	470	fast or be very important.
…		…
299		473
300	sub sync_job(&) {	474	sub sync_job(&) {
301	my ($job) = @_;	475	my ($job) = @_;
302		476
303	if ($Coro::current == $Coro::main) {	477	if ($Coro::current == $Coro::main) {
		478	my $time = EV::time;
		479
304	# this is the main coro, too bad, we have to block	480	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	481	# till the operation succeeds, freezing the server :/
306		482
307	# TODO: use suspend/resume instead	483	LOG llevError, Carp::longmess "sync job";#d#
308	# (but this is cancel-safe)	484
309	my $freeze_guard = freeze_mainloop;	485	my $freeze_guard = freeze_mainloop;
310		486
311	my $busy = 1;	487	my $busy = 1;
312	my @res;	488	my @res;
313		489
314	(async {	490	(async {
		491	$Coro::current->desc ("sync job coro");
315	@res = eval { $job->() };	492	@res = eval { $job->() };
316	warn $@ if $@;	493	warn $@ if $@;
317	undef $busy;	494	undef $busy;
318	})->prio (Coro::PRIO_MAX);	495	})->prio (Coro::PRIO_MAX);
319		496
320	while ($busy) {	497	while ($busy) {
321	Coro::cede or Event::one_event;	498	if (Coro::nready) {
		499	Coro::cede_notself;
		500	} else {
		501	EV::loop EV::LOOP_ONESHOT;
322	}	502	}
		503	}
		504
		505	my $time = EV::time - $time;
		506
		507	$TICK_START += $time; # do not account sync jobs to server load
323		508
324	wantarray ? @res : $res[0]	509	wantarray ? @res : $res[0]
325	} else {	510	} else {
326	# we are in another coroutine, how wonderful, everything just works	511	# we are in another coroutine, how wonderful, everything just works
327		512
…		…
347	$EXT_CORO{$coro+0} = $coro;	532	$EXT_CORO{$coro+0} = $coro;
348		533
349	$coro	534	$coro
350	}	535	}
351		536
352	sub write_runtime {	537	=item fork_call { }, $args
353	my $guard = cf::lock_acquire "write_runtime";
354		538
355	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.
356		543
357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	544	=cut
358	or return;
359		545
360	my $value = $cf::RUNTIME + 90 + 10;	546	sub fork_call(&@) {
361	# 10 is the runtime save interval, for a monotonic clock	547	my ($cb, @args) = @_;
362	# 60 allows for the watchdog to kill the server.
363		548
364	(aio_write $fh, 0, (length $value), $value, 0) <= 0	549	# we seemingly have to make a local copy of the whole thing,
365	and return;	550	# otherwise perl prematurely frees the stuff :/
		551	# TODO: investigate and fix (likely this will be rather laborious)
366		552
367	# always fsync - this file is important	553	my @res = Coro::Util::fork_eval {
368	aio_fsync $fh	554	reset_signals;
369	and return;	555	&$cb
		556	}, @args;
370		557
371	close $fh	558	wantarray ? @res : $res[-1]
372	or return;	559	}
373		560
374	aio_rename "$runtime~", $runtime	561	=item $coin = coin_from_name $name
375	and return;
376		562
		563	=cut
		564
		565	our %coin_alias = (
		566	"silver" => "silvercoin",
		567	"silvercoin" => "silvercoin",
		568	"silvercoins" => "silvercoin",
		569	"gold" => "goldcoin",
		570	"goldcoin" => "goldcoin",
		571	"goldcoins" => "goldcoin",
		572	"platinum" => "platinacoin",
		573	"platinumcoin" => "platinacoin",
		574	"platinumcoins" => "platinacoin",
		575	"platina" => "platinacoin",
		576	"platinacoin" => "platinacoin",
		577	"platinacoins" => "platinacoin",
		578	"royalty" => "royalty",
		579	"royalties" => "royalty",
		580	);
		581
		582	sub coin_from_name($) {
		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($$) {
		630	my $key = "$_[0]/$_[1]";
		631
		632	cf::sync_job {
		633	BDB::db_get $DB, undef, $key, my $data;
		634
		635	$! ? ()
		636	: $data
377	1	637	}
		638	}
		639
		640	sub db_put($$$) {
		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"
378	}	713	}
379		714
380	=item cf::datalog type => key => value, ...	715	=item cf::datalog type => key => value, ...
381		716
382	Log a datalog packet of the given type with the given key-value pairs.	717	Log a datalog packet of the given type with the given key-value pairs.
…		…
394		729
395	#############################################################################	730	#############################################################################
396		731
397	=head2 ATTACHABLE OBJECTS	732	=head2 ATTACHABLE OBJECTS
398		733
399	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
400	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")
401	to it. All such attachable objects support the following methods.	736	to it. All such attachable objects support the following methods.
402		737
403	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>
404	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
405	crossfire+).	740	Deliantra).
406		741
407	=over 4	742	=over 4
408		743
409	=item $attachable->attach ($attachment, key => $value...)	744	=item $attachable->attach ($attachment, key => $value...)
410		745
…		…
454	=item cf::CLASS::attachment $name, ...	789	=item cf::CLASS::attachment $name, ...
455		790
456	Register an attachment by C<$name> through which attachable objects of the	791	Register an attachment by C<$name> through which attachable objects of the
457	given CLASS can refer to this attachment.	792	given CLASS can refer to this attachment.
458		793
459	Some classes such as crossfire maps and objects can specify attachments	794	Some classes such as deliantra maps and objects can specify attachments
460	that are attached at load/instantiate time, thus the need for a name.	795	that are attached at load/instantiate time, thus the need for a name.
461		796
462	These calls expect any number of the following handler/hook descriptions:	797	These calls expect any number of the following handler/hook descriptions:
463		798
464	=over 4	799	=over 4
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	908	$registry = $CB_TYPE[$object_type] ||= [];
574		909
575	} elsif ($type eq "subtype") {	910	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	911	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	912	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	913	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		914
580	} elsif ($type eq "package") {	915	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	916	my $pkg = shift @arg;
582		917
583	while (my ($name, $id) = each %cb_id) {	918	while (my ($name, $id) = each %cb_id) {
…		…
612	_attach $registry, $klass, @attach;	947	_attach $registry, $klass, @attach;
613	}	948	}
614		949
615	$obj->{$name} = \%arg;	950	$obj->{$name} = \%arg;
616	} else {	951	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	952	warn "object uses attachment '$name' which is not available, postponing.\n";
618	}	953	}
619		954
620	$obj->{_attachment}{$name} = undef;	955	$obj->{_attachment}{$name} = undef;
621	}	956	}
622		957
…		…
624	if (ref $_[0]) {	959	if (ref $_[0]) {
625	_object_attach @_;	960	_object_attach @_;
626	} else {	961	} else {
627	_attach shift->_attach_registry, @_;	962	_attach shift->_attach_registry, @_;
628	}	963	}
		964	_recalc_want;
629	};	965	};
630		966
631	# all those should be optimised	967	# all those should be optimised
632	sub cf::attachable::detach {	968	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	969	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	972	delete $obj->{_attachment}{$name};
637	reattach ($obj);	973	reattach ($obj);
638	} else {	974	} else {
639	Carp::croak "cannot, currently, detach class attachments";	975	Carp::croak "cannot, currently, detach class attachments";
640	}	976	}
		977	_recalc_want;
641	};	978	};
642		979
643	sub cf::attachable::attached {	980	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	981	my ($obj, $name) = @_;
645		982
…		…
660	";	997	";
661	die if $@;	998	die if $@;
662	}	999	}
663		1000
664	our $override;	1001	our $override;
665	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?
666		1003
667	sub override {	1004	sub override {
668	$override = 1;	1005	$override = 1;
669	@invoke_results = ();	1006	@INVOKE_RESULTS = (@_);
670	}	1007	}
671		1008
672	sub do_invoke {	1009	sub do_invoke {
673	my $event = shift;	1010	my $event = shift;
674	my $callbacks = shift;	1011	my $callbacks = shift;
675		1012
676	@invoke_results = ();	1013	@INVOKE_RESULTS = ();
677		1014
678	local $override;	1015	local $override;
679		1016
680	for (@$callbacks) {	1017	for (@$callbacks) {
681	eval { &{$_->[1]} };	1018	eval { &{$_->[1]} };
…		…
690	}	1027	}
691		1028
692	0	1029	0
693	}	1030	}
694		1031
695	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
696		1033
697	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1034	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
698		1035
699	Generate an object-specific event with the given arguments.	1036	Generate an object-specific event with the given arguments.
700		1037
701	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
702	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
703	results (if you must, access C<@cf::invoke_results> directly).	1040	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704		1041
705	=back	1042	=back
706		1043
707	=cut	1044	=cut
708		1045
709	#############################################################################	1046	#############################################################################
710	# 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, $ob2
		1089	}
711		1090
712	sub reattach {	1091	sub reattach {
713	# basically do the same as instantiate, without calling instantiate	1092	# basically do the same as instantiate, without calling instantiate
714	my ($obj) = @_;	1093	my ($obj) = @_;
715		1094
		1095	# no longer needed after getting rid of delete_package?
716	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
717		1097
718	my $registry = $obj->registry;	1098	my $registry = $obj->registry;
719		1099
720	@$registry = ();	1100	@$registry = ();
721		1101
…		…
736	cf::attachable->attach (	1116	cf::attachable->attach (
737	prio => -1000000,	1117	prio => -1000000,
738	on_instantiate => sub {	1118	on_instantiate => sub {
739	my ($obj, $data) = @_;	1119	my ($obj, $data) = @_;
740		1120
741	$data = from_json $data;	1121	$data = decode_json $data;
742		1122
743	for (@$data) {	1123	for (@$data) {
744	my ($name, $args) = @$_;	1124	my ($name, $args) = @$_;
745		1125
746	$obj->attach ($name, %{$args || {} });	1126	$obj->attach ($name, %{$args || {} });
…		…
762	sub object_freezer_save {	1142	sub object_freezer_save {
763	my ($filename, $rdata, $objs) = @_;	1143	my ($filename, $rdata, $objs) = @_;
764		1144
765	sync_job {	1145	sync_job {
766	if (length $$rdata) {	1146	if (length $$rdata) {
		1147	utf8::decode (my $decname = $filename);
767	warn sprintf "saving %s (%d,%d)\n",	1148	warn sprintf "saving %s (%d,%d)\n",
768	$filename, length $$rdata, scalar @$objs;	1149	$decname, length $$rdata, scalar @$objs;
769		1150
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1151	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1152	aio_chmod $fh, SAVE_MODE;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1153	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1154	aio_fsync $fh if $cf::USE_FSYNC;
774	close $fh;	1155	aio_close $fh;
775		1156
776	if (@$objs) {	1157	if (@$objs) {
777	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) {
778	chmod SAVE_MODE, $fh;	1159	aio_chmod $fh, SAVE_MODE;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	1160	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	1161	aio_write $fh, 0, (length $data), $data, 0;
781	aio_fsync $fh if $cf::USE_FSYNC;	1162	aio_fsync $fh if $cf::USE_FSYNC;
782	close $fh;	1163	aio_close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	1164	aio_rename "$filename.pst~", "$filename.pst";
784	}	1165	}
785	} else {	1166	} else {
786	aio_unlink "$filename.pst";	1167	aio_unlink "$filename.pst";
787	}	1168	}
788		1169
789	aio_rename "$filename~", $filename;	1170	aio_rename "$filename~", $filename;
		1171
		1172	$filename =~ s%/[^/]+$%%;
		1173	aio_pathsync $filename if $cf::USE_FSYNC;
790	} else {	1174	} else {
791	warn "FATAL: $filename~: $!\n";	1175	warn "unable to save objects: $filename~: $!\n";
792	}	1176	}
793	} else {	1177	} else {
794	aio_unlink $filename;	1178	aio_unlink $filename;
795	aio_unlink "$filename.pst";	1179	aio_unlink "$filename.pst";
796	}	1180	}
797	}	1181	};
798	}	1182	}
799		1183
800	sub object_freezer_as_string {	1184	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	1185	my ($rdata, $objs) = @_;
802		1186
…		…
814	or return;	1198	or return;
815		1199
816	unless (aio_stat "$filename.pst") {	1200	unless (aio_stat "$filename.pst") {
817	(aio_load "$filename.pst", $av) >= 0	1201	(aio_load "$filename.pst", $av) >= 0
818	or return;	1202	or return;
		1203
819	$av = eval { (Storable::thaw $av)->{objs} };	1204	my $st = eval { Coro::Storable::thaw $av };
		1205	$av = $st->{objs};
820	}	1206	}
821		1207
		1208	utf8::decode (my $decname = $filename);
822	warn sprintf "loading %s (%d)\n",	1209	warn sprintf "loading %s (%d,%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1210	$decname, length $data, scalar @{$av || []};
		1211
824	return ($data, $av);	1212	($data, $av)
825	}	1213	}
		1214
		1215	=head2 COMMAND CALLBACKS
		1216
		1217	=over 4
		1218
		1219	=cut
826		1220
827	#############################################################################	1221	#############################################################################
828	# command handling &c	1222	# command handling &c
829		1223
830	=item cf::register_command $name => \&callback($ob,$args);	1224	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1237	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1238	}
845		1239
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1240	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1241
848	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.
849		1247
850	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
851	called.	1249	called.
852		1250
		1251	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1252
		1253	Register a callback for execution when the client sends an (asynchronous)
		1254	exticmd packet. Exti commands are processed by the server as soon as they
		1255	are received, i.e. out of order w.r.t. other commands. The first argument
		1256	is a client socket. Exti commands can be received anytime, even before
		1257	log-in.
		1258
		1259	If the callback returns something, it is sent back as if reply was being
		1260	called.
		1261
853	=cut	1262	=cut
854		1263
855	sub register_extcmd {	1264	sub register_extcmd {
856	my ($name, $cb) = @_;	1265	my ($name, $cb) = @_;
857		1266
858	$EXTCMD{$name} = $cb;	1267	$EXTCMD{$name} = $cb;
859	}	1268	}
		1269
		1270	sub register_exticmd {
		1271	my ($name, $cb) = @_;
		1272
		1273	$EXTICMD{$name} = $cb;
		1274	}
		1275
		1276	use File::Glob ();
860		1277
861	cf::player->attach (	1278	cf::player->attach (
862	on_command => sub {	1279	on_command => sub {
863	my ($pl, $name, $params) = @_;	1280	my ($pl, $name, $params) = @_;
864		1281
…		…
872	cf::override;	1289	cf::override;
873	},	1290	},
874	on_extcmd => sub {	1291	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1292	my ($pl, $buf) = @_;
876		1293
877	my $msg = eval { from_json $buf };	1294	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1295
879	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
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1304	if (my $cb = $EXTCMD{$type}) {
881	if (my %reply = $cb->($pl, $msg)) {	1305	@reply = $cb->($pl, @payload);
882	$pl->ext_reply ($msg->{msgid}, %reply);
883	}
884	}	1306	}
		1307
		1308	$pl->ext_reply ($reply, @reply)
		1309	if $reply;
		1310
885	} else {	1311	} else {
886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1312	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887	}	1313	}
888		1314
889	cf::override;	1315	cf::override;
890	},	1316	},
891	);	1317	);
892		1318
		1319	# "readahead" all extensions
893	sub load_extension {	1320	sub cache_extensions {
894	my ($path) = @_;	1321	my $grp = IO::AIO::aio_group;
895		1322
896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1323	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
897	my $base = $1;	1324	for (grep /\.ext$/, @{$_[0]}) {
898	my $pkg = $1;	1325	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
899	$pkg =~ s/[^[:word:]]/_/g;
900	$pkg = "ext::$pkg";
901
902	warn "... loading '$path' into '$pkg'\n";
903
904	open my $fh, "<:utf8", $path
905	or die "$path: $!";
906
907	my $source =
908	"package $pkg; use strict; use utf8;\n"
909	. "#line 1 \"$path\"\n{\n"
910	. (do { local $/; <$fh> })
911	. "\n};\n1";
912
913	unless (eval $source) {
914	my $msg = $@ ? "$path: $@\n"
915	: "extension disabled.\n";
916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
917	warn $@;
918	warn "mandatory extension failed to load, exiting.\n";
919	exit 1;
920	}	1326	}
921	die $@;
922	}	1327	};
923		1328
924	push @EXTS, $pkg;	1329	$grp
925	}	1330	}
926		1331
927	sub load_extensions {	1332	sub load_extensions {
		1333	cf::sync_job {
		1334	my %todo;
		1335
928	for my $ext (<$LIBDIR/*.ext>) {	1336	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1337	next unless -r $path;
930	eval {	1338
931	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	$progress = 1;
932	1	1395	}
933	} or warn "$ext not loaded: $@";	1396
		1397	skip:
		1398	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1399	unless $progress;
		1400	}
934	}	1401	};
935	}	1402	}
936		1403
937	#############################################################################	1404	#############################################################################
938		1405
		1406	=back
		1407
939	=head2 CORE EXTENSIONS	1408	=head2 CORE EXTENSIONS
940		1409
941	Functions and methods that extend core crossfire objects.	1410	Functions and methods that extend core deliantra objects.
942		1411
943	=cut	1412	=cut
944		1413
945	package cf::player;	1414	package cf::player;
946		1415
…		…
948		1417
949	=head3 cf::player	1418	=head3 cf::player
950		1419
951	=over 4	1420	=over 4
952		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
953	=item cf::player::find $login	1436	=item cf::player::find $login
954		1437
955	Returns the given player object, loading it if necessary (might block).	1438	Returns the given player object, loading it if necessary (might block).
956		1439
957	=cut	1440	=cut
958		1441
959	sub playerdir($) {	1442	sub playerdir($) {
960	cf::localdir	1443	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1444	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1445	}
966		1446
967	sub path($) {	1447	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1448	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
978		1458
979	sub exists($) {	1459	sub exists($) {
980	my ($login) = @_;	1460	my ($login) = @_;
981		1461
982	$cf::PLAYER{$login}	1462	$cf::PLAYER{$login}
983	or cf::sync_job { !aio_stat path $login }	1463	or !aio_stat path $login
984	}	1464	}
985		1465
986	sub find($) {	1466	sub find($) {
987	return $cf::PLAYER{$_[0]} || do {	1467	return $cf::PLAYER{$_[0]} || do {
988	my $login = $_[0];	1468	my $login = $_[0];
…		…
995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1475	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1476	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1477	aio_unlink +(playerdir $login) . "/$login.pl.pst";
998	aio_unlink +(playerdir $login) . "/$login.pl";	1478	aio_unlink +(playerdir $login) . "/$login.pl";
999		1479
1000	my $pl = load_pl path $login	1480	my $f = new_from_file cf::object::thawer path $login
1001	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;
1002	$cf::PLAYER{$login} = $pl	1488	$cf::PLAYER{$login} = $pl
1003	}	1489	}
1004	}	1490	}
1005	}	1491	}
1006		1492
…		…
1015	return if $pl->{deny_save};	1501	return if $pl->{deny_save};
1016		1502
1017	aio_mkdir playerdir $pl, 0770;	1503	aio_mkdir playerdir $pl, 0770;
1018	$pl->{last_save} = $cf::RUNTIME;	1504	$pl->{last_save} = $cf::RUNTIME;
1019		1505
		1506	cf::get_slot 0.01;
		1507
1020	$pl->save_pl ($path);	1508	$pl->save_pl ($path);
1021	Coro::cede;	1509	cf::cede_to_tick;
1022	}	1510	}
1023		1511
1024	sub new($) {	1512	sub new($) {
1025	my ($login) = @_;	1513	my ($login) = @_;
1026		1514
…		…
1032	$cf::PLAYER{$login} = $self;	1520	$cf::PLAYER{$login} = $self;
1033		1521
1034	$self	1522	$self
1035	}	1523	}
1036		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
1037	=item $pl->quit_character	1535	=item $pl->quit_character
1038		1536
1039	Nukes the player without looking back. If logged in, the connection will	1537	Nukes the player without looking back. If logged in, the connection will
1040	be destroyed. May block for a long time.	1538	be destroyed. May block for a long time.
1041		1539
…		…
1045	my ($pl) = @_;	1543	my ($pl) = @_;
1046		1544
1047	my $name = $pl->ob->name;	1545	my $name = $pl->ob->name;
1048		1546
1049	$pl->{deny_save} = 1;	1547	$pl->{deny_save} = 1;
1050	$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
1051		1549
1052	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1550	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1053	$pl->deactivate;	1551	$pl->deactivate;
		1552	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1553	$pl->ob->check_score;
1054	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1554	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1055	$pl->ns->destroy if $pl->ns;	1555	$pl->ns->destroy if $pl->ns;
1056		1556
1057	my $path = playerdir $pl;	1557	my $path = playerdir $pl;
1058	my $temp = "$path~$cf::RUNTIME~deleting~";	1558	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1088	while and may block, so not sync_job-capable, ever.	1588	while and may block, so not sync_job-capable, ever.
1089		1589
1090	=cut	1590	=cut
1091		1591
1092	sub list_logins {	1592	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1593	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1594	or return [];
1095		1595
1096	my @logins;	1596	my @logins;
1097		1597
1098	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") {
1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1604	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1100	aio_read $fh, 0, 512, my $buf, 0 or next;	1605	aio_read $fh, 0, 512, my $buf, 0 or next;
1101	$buf !~ /^password -------------$/m or next; # official not-valid tag	1606	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1607	}
1102		1608
1103	utf8::decode $login;	1609	utf8::decode $login;
1104	push @logins, $login;	1610	push @logins, $login;
1105	}	1611	}
1106		1612
…		…
1133	}	1639	}
1134		1640
1135	\@paths	1641	\@paths
1136	}	1642	}
1137		1643
		1644	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1645
		1646	Expand deliantra pod fragments into protocol xml.
		1647
1138	=item $player->ext_reply ($msgid, %msg)	1648	=item $player->ext_reply ($msgid, @msg)
1139		1649
1140	Sends an ext reply to the player.	1650	Sends an ext reply to the player.
1141		1651
1142	=cut	1652	=cut
1143		1653
1144	sub ext_reply($$%) {	1654	sub ext_reply($$@) {
1145	my ($self, $id, %msg) = @_;	1655	my ($self, $id, @msg) = @_;
1146		1656
1147	$msg{msgid} = $id;	1657	$self->ns->ext_reply ($id, @msg)
1148
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}	1658	}
1151		1659
1152	=item $player->ext_event ($type, %msg)	1660	=item $player->ext_msg ($type, @msg)
1153		1661
1154	Sends an ext event to the client.	1662	Sends an ext event to the client.
1155		1663
1156	=cut	1664	=cut
1157		1665
1158	sub ext_event($$%) {	1666	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1667	my ($self, $type, @msg) = @_;
1160		1668
1161	$self->ns->ext_event ($type, %msg);	1669	$self->ns->ext_msg ($type, @msg);
1162	}	1670	}
1163		1671
1164	=head3 cf::region	1672	=head3 cf::region
1165		1673
1166	=over 4	1674	=over 4
…		…
1169		1677
1170	package cf::region;	1678	package cf::region;
1171		1679
1172	=item cf::region::find_by_path $path	1680	=item cf::region::find_by_path $path
1173		1681
1174	Tries to decuce the probable region for a map knowing only its path.	1682	Tries to decuce the likely region for a map knowing only its path.
1175		1683
1176	=cut	1684	=cut
1177		1685
1178	sub find_by_path($) {	1686	sub find_by_path($) {
1179	my ($path) = @_;	1687	my ($path) = @_;
1180		1688
1181	my ($match, $specificity);	1689	my ($match, $specificity);
1182		1690
1183	for my $region (list) {	1691	for my $region (list) {
1184	if ($region->match && $path =~ $region->match) {	1692	if ($region->{match} && $path =~ $region->{match}) {
1185	($match, $specificity) = ($region, $region->specificity)	1693	($match, $specificity) = ($region, $region->specificity)
1186	if $region->specificity > $specificity;	1694	if $region->specificity > $specificity;
1187	}	1695	}
1188	}	1696	}
1189		1697
…		…
1210	our $MAX_RESET = 3600;	1718	our $MAX_RESET = 3600;
1211	our $DEFAULT_RESET = 3000;	1719	our $DEFAULT_RESET = 3000;
1212		1720
1213	sub generate_random_map {	1721	sub generate_random_map {
1214	my ($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
1215	# mit "rum" bekleckern, nicht	1726	# mit "rum" bekleckern, nicht
1216	$self->_create_random_map (	1727	$self->_create_random_map (
1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1728	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1729	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1730	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1253	my ($self, $merge) = @_;	1764	my ($self, $merge) = @_;
1254		1765
1255	# we have to keep some variables in memory intact	1766	# we have to keep some variables in memory intact
1256	local $self->{path};	1767	local $self->{path};
1257	local $self->{load_path};	1768	local $self->{load_path};
1258	local $self->{deny_save};
1259	local $self->{deny_reset};
1260		1769
1261	$self->SUPER::thawer_merge ($merge);	1770	$self->SUPER::thawer_merge ($merge);
1262	}	1771	}
1263		1772
1264	sub normalise {	1773	sub normalise {
…		…
1311	$self->init; # pass $1 etc.	1820	$self->init; # pass $1 etc.
1312	return $self;	1821	return $self;
1313	}	1822	}
1314	}	1823	}
1315		1824
1316	Carp::carp "unable to resolve path '$path' (base '$base').";	1825	Carp::cluck "unable to resolve path '$path' (base '$base').";
1317	()	1826	()
1318	}	1827	}
1319		1828
1320	sub init {	1829	sub init {
1321	my ($self) = @_;	1830	my ($self) = @_;
…		…
1336		1845
1337	# the original (read-only) location	1846	# the original (read-only) location
1338	sub load_path {	1847	sub load_path {
1339	my ($self) = @_;	1848	my ($self) = @_;
1340		1849
1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1850	"$MAPDIR/$self->{path}.map"
1342	}	1851	}
1343		1852
1344	# the temporary/swap location	1853	# the temporary/swap location
1345	sub save_path {	1854	sub save_path {
1346	my ($self) = @_;	1855	my ($self) = @_;
1347		1856
1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1857	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1858	"$TMPDIR/$path.map"
1350	}	1859	}
1351		1860
1352	# the unique path, undef == no special unique path	1861	# the unique path, undef == no special unique path
1353	sub uniq_path {	1862	sub uniq_path {
1354	my ($self) = @_;	1863	my ($self) = @_;
1355		1864
1356	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1865	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1357	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1866	"$UNIQUEDIR/$path"
1358	}	1867	}
1359		1868
1360	# and all this just because we cannot iterate over	1869	sub decay_objects {
1361	# all maps in C++...
1362	sub change_all_map_light {
1363	my ($change) = @_;	1870	my ($self) = @_;
1364		1871
1365	$_->change_map_light ($change)	1872	return if $self->{deny_reset};
1366	for grep $_->outdoor, values %cf::MAP;	1873
		1874	$self->do_decay_objects;
1367	}	1875	}
1368		1876
1369	sub unlink_save {	1877	sub unlink_save {
1370	my ($self) = @_;	1878	my ($self) = @_;
1371		1879
…		…
1376		1884
1377	sub load_header_from($) {	1885	sub load_header_from($) {
1378	my ($self, $path) = @_;	1886	my ($self, $path) = @_;
1379		1887
1380	utf8::encode $path;	1888	utf8::encode $path;
1381	#aio_open $path, O_RDONLY, 0	1889	my $f = new_from_file cf::object::thawer $path
1382	# or return;
1383
1384	$self->_load_header ($path)
1385	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;
1386		1897
1387	$self->{load_path} = $path;	1898	$self->{load_path} = $path;
1388		1899
1389	1	1900	1
1390	}	1901	}
…		…
1429	$self->load_header_orig	1940	$self->load_header_orig
1430	or return;	1941	or return;
1431	$self->prepare_orig;	1942	$self->prepare_orig;
1432	}	1943	}
1433		1944
		1945	$self->{deny_reset} = 1
		1946	if $self->no_reset;
		1947
1434	$self->default_region (cf::region::find_by_path $self->{path})	1948	$self->default_region (cf::region::find_by_path $self->{path})
1435	unless $self->default_region;	1949	unless $self->default_region;
1436		1950
1437	1	1951	1
1438	}	1952	}
…		…
1441	sub find {	1955	sub find {
1442	my ($path, $origin) = @_;	1956	my ($path, $origin) = @_;
1443		1957
1444	$path = normalise $path, $origin && $origin->path;	1958	$path = normalise $path, $origin && $origin->path;
1445		1959
		1960	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1446	cf::lock_wait "map_find:$path";	1961	my $guard2 = cf::lock_acquire "map_find:$path";
1447		1962
1448	$cf::MAP{$path} || do {	1963	$cf::MAP{$path} || do {
1449	my $guard = cf::lock_acquire "map_find:$path";
1450	my $map = new_from_path cf::map $path	1964	my $map = new_from_path cf::map $path
1451	or return;	1965	or return;
1452		1966
1453	$map->{last_save} = $cf::RUNTIME;	1967	$map->{last_save} = $cf::RUNTIME;
1454		1968
1455	$map->load_header	1969	$map->load_header
1456	or return;	1970	or return;
1457		1971
1458	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1972	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1459	# doing this can freeze the server in a sync job, obviously	1973	# doing this can freeze the server in a sync job, obviously
1460	#$cf::WAIT_FOR_TICK->wait;	1974	#$cf::WAIT_FOR_TICK->wait;
		1975	undef $guard2;
		1976	undef $guard1;
1461	$map->reset;	1977	$map->reset;
1462	undef $guard;
1463	return find $path;	1978	return find $path;
1464	}	1979	}
1465		1980
1466	$cf::MAP{$path} = $map	1981	$cf::MAP{$path} = $map
1467	}	1982	}
…		…
1474	my ($self) = @_;	1989	my ($self) = @_;
1475		1990
1476	local $self->{deny_reset} = 1; # loading can take a long time	1991	local $self->{deny_reset} = 1; # loading can take a long time
1477		1992
1478	my $path = $self->{path};	1993	my $path = $self->{path};
		1994
		1995	{
1479	my $guard = cf::lock_acquire "map_load:$path";	1996	my $guard = cf::lock_acquire "map_data:$path";
1480		1997
		1998	return unless $self->valid;
1481	return if $self->in_memory != cf::MAP_SWAPPED;	1999	return unless $self->in_memory == cf::MAP_SWAPPED;
1482		2000
1483	$self->in_memory (cf::MAP_LOADING);	2001	$self->in_memory (cf::MAP_LOADING);
1484		2002
1485	$self->alloc;	2003	$self->alloc;
1486		2004
1487	$self->pre_load;	2005	$self->pre_load;
1488	Coro::cede;	2006	cf::cede_to_tick;
1489		2007
1490	$self->_load_objects ($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)
1491	or return;	2011	or return;
1492		2012
1493	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2013	$self->post_load_original
1494	if delete $self->{load_original};	2014	if delete $self->{load_original};
1495		2015
1496	if (my $uniq = $self->uniq_path) {	2016	if (my $uniq = $self->uniq_path) {
1497	utf8::encode $uniq;	2017	utf8::encode $uniq;
1498	if (aio_open $uniq, O_RDONLY, 0) {	2018	unless (aio_stat $uniq) {
		2019	if (my $f = new_from_file cf::object::thawer $uniq) {
1499	$self->clear_unique_items;	2020	$self->clear_unique_items;
1500	$self->_load_objects ($uniq, 0);	2021	$self->_load_objects ($f);
		2022	$f->resolve_delayed_derefs;
		2023	}
1501	}	2024	}
1502	}	2025	}
1503		2026
1504	Coro::cede;	2027	$f->resolve_delayed_derefs;
		2028
		2029	cf::cede_to_tick;
1505	# now do the right thing for maps	2030	# now do the right thing for maps
1506	$self->link_multipart_objects;	2031	$self->link_multipart_objects;
1507	Coro::cede;
1508
1509	unless ($self->{deny_activate}) {
1510	$self->decay_objects;
1511	$self->fix_auto_apply;
1512	$self->update_buttons;
1513	Coro::cede;
1514	$self->set_darkness_map;
1515	$self->difficulty ($self->estimate_difficulty)	2032	$self->difficulty ($self->estimate_difficulty)
1516	unless $self->difficulty;	2033	unless $self->difficulty;
1517	Coro::cede;	2034	cf::cede_to_tick;
		2035
		2036	unless ($self->{deny_activate}) {
		2037	$self->decay_objects;
		2038	$self->fix_auto_apply;
		2039	$self->update_buttons;
		2040	cf::cede_to_tick;
1518	$self->activate;	2041	$self->activate;
1519	Coro::cede;	2042	}
		2043
		2044	$self->{last_save} = $cf::RUNTIME;
		2045	$self->last_access ($cf::RUNTIME);
		2046
		2047	$self->in_memory (cf::MAP_ACTIVE);
1520	}	2048	}
1521		2049
1522	$self->post_load;	2050	$self->post_load;
1523	Coro::cede;
1524
1525	$self->in_memory (cf::MAP_IN_MEMORY);
1526	}	2051	}
1527		2052
1528	sub customise_for {	2053	sub customise_for {
1529	my ($self, $ob) = @_;	2054	my ($self, $ob) = @_;
1530		2055
1531	return find "~" . $ob->name . "/" . $self->{path}	2056	return find "~" . $ob->name . "/" . $self->{path}
1532	if $self->per_player;	2057	if $self->per_player;
1533		2058
		2059	# return find "?party/" . $ob->name . "/" . $self->{path}
		2060	# if $self->per_party;
		2061
1534	$self	2062	$self
1535	}	2063	}
1536		2064
1537	# find and load all maps in the 3x3 area around a map	2065	# find and load all maps in the 3x3 area around a map
1538	sub load_diag {	2066	sub load_neighbours {
1539	my ($map) = @_;	2067	my ($map) = @_;
1540		2068
1541	my @diag; # diagonal neighbours	2069	my @neigh; # diagonal neighbours
1542		2070
1543	for (0 .. 3) {	2071	for (0 .. 3) {
1544	my $neigh = $map->tile_path ($_)	2072	my $neigh = $map->tile_path ($_)
1545	or next;	2073	or next;
1546	$neigh = find $neigh, $map	2074	$neigh = find $neigh, $map
1547	or next;	2075	or next;
1548	$neigh->load;	2076	$neigh->load;
1549		2077
		2078	push @neigh,
1550	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2079	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1551	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2080	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1552	}	2081	}
1553		2082
1554	for (@diag) {	2083	for (grep defined $_->[0], @neigh) {
		2084	my ($path, $origin) = @$_;
1555	my $neigh = find @$_	2085	my $neigh = find $path, $origin
1556	or next;	2086	or next;
1557	$neigh->load;	2087	$neigh->load;
1558	}	2088	}
1559	}	2089	}
1560		2090
…		…
1565	}	2095	}
1566		2096
1567	sub do_load_sync {	2097	sub do_load_sync {
1568	my ($map) = @_;	2098	my ($map) = @_;
1569		2099
		2100	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2101	if $Coro::current == $Coro::main;
		2102
1570	cf::sync_job { $map->load };	2103	cf::sync_job { $map->load };
1571	}	2104	}
1572		2105
1573	our %MAP_PREFETCH;	2106	our %MAP_PREFETCH;
1574	our $MAP_PREFETCHER = undef;	2107	our $MAP_PREFETCHER = undef;
1575		2108
1576	sub find_async {	2109	sub find_async {
1577	my ($path, $origin) = @_;	2110	my ($path, $origin, $load) = @_;
1578		2111
1579	$path = normalise $path, $origin && $origin->{path};	2112	$path = normalise $path, $origin && $origin->{path};
1580		2113
1581	if (my $map = $cf::MAP{$path}) {	2114	if (my $map = $cf::MAP{$path}) {
1582	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2115	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1583	}	2116	}
1584		2117
1585	undef $MAP_PREFETCH{$path};	2118	$MAP_PREFETCH{$path} |= $load;
		2119
1586	$MAP_PREFETCHER ||= cf::async {	2120	$MAP_PREFETCHER ||= cf::async {
		2121	$Coro::current->{desc} = "map prefetcher";
		2122
1587	while (%MAP_PREFETCH) {	2123	while (%MAP_PREFETCH) {
1588	for my $path (keys %MAP_PREFETCH) {	2124	while (my ($k, $v) = each %MAP_PREFETCH) {
1589	my $map = find $path	2125	if (my $map = find $k) {
1590	or next;
1591	$map->load;	2126	$map->load if $v;
		2127	}
1592		2128
1593	delete $MAP_PREFETCH{$path};	2129	delete $MAP_PREFETCH{$k};
1594	}	2130	}
1595	}	2131	}
1596	undef $MAP_PREFETCHER;	2132	undef $MAP_PREFETCHER;
1597	};	2133	};
1598	$MAP_PREFETCHER->prio (6);	2134	$MAP_PREFETCHER->prio (6);
…		…
1601	}	2137	}
1602		2138
1603	sub save {	2139	sub save {
1604	my ($self) = @_;	2140	my ($self) = @_;
1605		2141
1606	my $lock = cf::lock_acquire "map_data:" . $self->path;	2142	my $lock = cf::lock_acquire "map_data:$self->{path}";
1607		2143
1608	$self->{last_save} = $cf::RUNTIME;	2144	$self->{last_save} = $cf::RUNTIME;
1609		2145
1610	return unless $self->dirty;	2146	return unless $self->dirty;
1611		2147
…		…
1617	return if $self->{deny_save};	2153	return if $self->{deny_save};
1618		2154
1619	local $self->{last_access} = $self->last_access;#d#	2155	local $self->{last_access} = $self->last_access;#d#
1620		2156
1621	cf::async {	2157	cf::async {
		2158	$Coro::current->{desc} = "map player save";
1622	$_->contr->save for $self->players;	2159	$_->contr->save for $self->players;
1623	};	2160	};
		2161
		2162	cf::get_slot 0.02;
1624		2163
1625	if ($uniq) {	2164	if ($uniq) {
1626	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2165	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1627	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2166	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1628	} else {	2167	} else {
…		…
1634	my ($self) = @_;	2173	my ($self) = @_;
1635		2174
1636	# save first because save cedes	2175	# save first because save cedes
1637	$self->save;	2176	$self->save;
1638		2177
1639	my $lock = cf::lock_acquire "map_data:" . $self->path;	2178	my $lock = cf::lock_acquire "map_data:$self->{path}";
1640		2179
1641	return if $self->players;	2180	return if $self->players;
1642	return if $self->in_memory != cf::MAP_IN_MEMORY;	2181	return if $self->in_memory != cf::MAP_ACTIVE;
1643	return if $self->{deny_save};	2182	return if $self->{deny_save};
1644		2183
		2184	$self->in_memory (cf::MAP_SWAPPED);
		2185
		2186	$self->deactivate;
		2187	$_->clear_links_to ($self) for values %cf::MAP;
1645	$self->clear;	2188	$self->clear;
1646	$self->in_memory (cf::MAP_SWAPPED);
1647	}	2189	}
1648		2190
1649	sub reset_at {	2191	sub reset_at {
1650	my ($self) = @_;	2192	my ($self) = @_;
1651		2193
1652	# TODO: safety, remove and allow resettable per-player maps	2194	# TODO: safety, remove and allow resettable per-player maps
1653	return 1e99 if $self->isa ("ext::map_per_player");#d#
1654	return 1e99 if $self->{deny_reset};	2195	return 1e99 if $self->{deny_reset};
1655		2196
1656	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2197	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1657	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2198	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1658		2199
…		…
1669	my ($self) = @_;	2210	my ($self) = @_;
1670		2211
1671	my $lock = cf::lock_acquire "map_data:$self->{path}";	2212	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		2213
1673	return if $self->players;	2214	return if $self->players;
1674	return if $self->isa ("ext::map_per_player");#d#
1675		2215
1676	warn "resetting map ", $self->path;#d#	2216	warn "resetting map ", $self->path;
1677		2217
1678	$self->in_memory (cf::MAP_SWAPPED);	2218	$self->in_memory (cf::MAP_SWAPPED);
1679		2219
1680	# need to save uniques path	2220	# need to save uniques path
1681	unless ($self->{deny_save}) {	2221	unless ($self->{deny_save}) {
…		…
1685	if $uniq;	2225	if $uniq;
1686	}	2226	}
1687		2227
1688	delete $cf::MAP{$self->path};	2228	delete $cf::MAP{$self->path};
1689		2229
		2230	$self->deactivate;
		2231	$_->clear_links_to ($self) for values %cf::MAP;
1690	$self->clear;	2232	$self->clear;
1691
1692	$_->clear_links_to ($self) for values %cf::MAP;
1693		2233
1694	$self->unlink_save;	2234	$self->unlink_save;
1695	$self->destroy;	2235	$self->destroy;
1696	}	2236	}
1697		2237
1698	my $nuke_counter = "aaaa";	2238	my $nuke_counter = "aaaa";
1699		2239
1700	sub nuke {	2240	sub nuke {
1701	my ($self) = @_;	2241	my ($self) = @_;
1702		2242
		2243	{
		2244	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2245
1703	delete $cf::MAP{$self->path};	2246	delete $cf::MAP{$self->path};
1704		2247
1705	$self->unlink_save;	2248	$self->unlink_save;
1706		2249
1707	bless $self, "cf::map";	2250	bless $self, "cf::map";
1708	delete $self->{deny_reset};	2251	delete $self->{deny_reset};
1709	$self->{deny_save} = 1;	2252	$self->{deny_save} = 1;
1710	$self->reset_timeout (1);	2253	$self->reset_timeout (1);
1711	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2254	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1712		2255
1713	$cf::MAP{$self->path} = $self;	2256	$cf::MAP{$self->path} = $self;
		2257	}
1714		2258
1715	$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	]
1716	}	2296	}
1717		2297
1718	=item cf::map::unique_maps	2298	=item cf::map::unique_maps
1719		2299
1720	Returns an arrayref of paths of all shared maps that have	2300	Returns an arrayref of paths of all shared maps that have
1721	instantiated unique items. May block.	2301	instantiated unique items. May block.
1722		2302
1723	=cut	2303	=cut
1724		2304
1725	sub unique_maps() {	2305	sub unique_maps() {
1726	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2306	[
1727	or return;	2307	map {
1728
1729	my @paths;
1730
1731	for (@$files) {
1732	utf8::decode $_;	2308	utf8::decode $_;
1733	next if /\.pst$/;	2309	s/\.map$//; # TODO future compatibility hack
1734	next unless /^$PATH_SEP/o;	2310	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1735		2311	? ()
1736	push @paths, cf::map::normalise $_;	2312	: normalise $_
		2313	} @{ aio_readdir $UNIQUEDIR or [] }
1737	}	2314	]
1738
1739	\@paths
1740	}	2315	}
1741
1742	package cf;
1743		2316
1744	=back	2317	=back
1745		2318
1746	=head3 cf::object	2319	=head3 cf::object
1747		2320
…		…
1751		2324
1752	=over 4	2325	=over 4
1753		2326
1754	=item $ob->inv_recursive	2327	=item $ob->inv_recursive
1755		2328
1756	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.
1757		2331
1758	=cut	2332	=cut
1759		2333
1760	sub inv_recursive_;	2334	sub inv_recursive_;
1761	sub inv_recursive_ {	2335	sub inv_recursive_ {
…		…
1764		2338
1765	sub inv_recursive {	2339	sub inv_recursive {
1766	inv_recursive_ inv $_[0]	2340	inv_recursive_ inv $_[0]
1767	}	2341	}
1768		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
1769	package cf;	2371	package cf;
1770		2372
1771	=back	2373	=back
1772		2374
1773	=head3 cf::object::player	2375	=head3 cf::object::player
…		…
1779	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>
1780	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
1781	dialogue with the given NPC character.	2383	dialogue with the given NPC character.
1782		2384
1783	=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	};
1784		2400
1785	# rough implementation of a future "reply" method that works	2401	# rough implementation of a future "reply" method that works
1786	# with dialog boxes.	2402	# with dialog boxes.
1787	#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
1788	sub cf::object::player::reply($$$;$) {	2404	sub cf::object::player::reply($$$;$) {
…		…
1790		2406
1791	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2407	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1792		2408
1793	if ($self->{record_replies}) {	2409	if ($self->{record_replies}) {
1794	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2410	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2411
1795	} 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 {
1796	$msg = $npc->name . " says: $msg" if $npc;	2420	$msg = $npc->name . " says: $msg" if $npc;
1797	$self->message ($msg, $flags);	2421	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2422	}
1798	}	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 (@_);
1799	}	2434	}
1800		2435
1801	=item $player_object->may ("access")	2436	=item $player_object->may ("access")
1802		2437
1803	Returns wether the given player is authorized to access resource "access"	2438	Returns wether the given player is authorized to access resource "access"
…		…
1816		2451
1817	=item $player_object->enter_link	2452	=item $player_object->enter_link
1818		2453
1819	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}>).
1820		2455
1821	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.
1822	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.
1823		2460
1824	Will never block.	2461	Will never block.
1825		2462
1826	=item $player_object->leave_link ($map, $x, $y)	2463	=item $player_object->leave_link ($map, $x, $y)
1827		2464
…		…
1850	$self->deactivate_recursive;	2487	$self->deactivate_recursive;
1851		2488
1852	return if UNIVERSAL::isa $self->map, "ext::map_link";	2489	return if UNIVERSAL::isa $self->map, "ext::map_link";
1853		2490
1854	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2491	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1855	if $self->map;	2492	if $self->map && $self->map->{path} ne "{link}";
1856		2493
1857	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2494	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1858	}	2495	}
1859		2496
1860	sub cf::object::player::leave_link {	2497	sub cf::object::player::leave_link {
1861	my ($self, $map, $x, $y) = @_;	2498	my ($self, $map, $x, $y) = @_;
		2499
		2500	return unless $self->contr->active;
1862		2501
1863	my $link_pos = delete $self->{_link_pos};	2502	my $link_pos = delete $self->{_link_pos};
1864		2503
1865	unless ($map) {	2504	unless ($map) {
1866	# restore original map position	2505	# restore original map position
…		…
1880	# use -1 or undef as default coordinates, not 0, 0	2519	# use -1 or undef as default coordinates, not 0, 0
1881	($x, $y) = ($map->enter_x, $map->enter_y)	2520	($x, $y) = ($map->enter_x, $map->enter_y)
1882	if $x <=0 && $y <= 0;	2521	if $x <=0 && $y <= 0;
1883		2522
1884	$map->load;	2523	$map->load;
1885	$map->load_diag;	2524	$map->load_neighbours;
1886		2525
1887	return unless $self->contr->active;	2526	return unless $self->contr->active;
		2527	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1888	$self->activate_recursive;	2528	$self->activate_recursive;
1889		2529
1890	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2530	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1891	$self->enter_map ($map, $x, $y);	2531	$self->enter_map ($map, $x, $y);
1892	}	2532	}
1893		2533
1894	cf::player->attach (	2534	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1895	on_logout => sub {
1896	my ($pl) = @_;
1897		2535
1898	# abort map switching before logout	2536	Moves the player to the given map-path and coordinates by first freezing
1899	if ($pl->ob->{_link_pos}) {	2537	her, loading and preparing them map, calling the provided $check callback
1900	cf::sync_job {	2538	that has to return the map if sucecssful, and then unfreezes the player on
1901	$pl->ob->leave_link	2539	the new (success) or old (failed) map position. In either case, $done will
1902	};	2540	be called at the end of this process.
1903	}
1904	},
1905	on_login => sub {
1906	my ($pl) = @_;
1907		2541
1908	# try to abort aborted map switching on player login :)	2542	Note that $check will be called with a potentially non-loaded map, so if
1909	# should happen only on crashes	2543	it needs a loaded map it has to call C<< ->load >>.
1910	if ($pl->ob->{_link_pos}) {
1911	$pl->ob->enter_link;
1912	(async {
1913	$pl->ob->reply (undef,
1914	"There was an internal problem at your last logout, "
1915	. "the server will try to bring you to your intended destination in a second.",
1916	cf::NDI_RED);
1917	# we need this sleep as the login has a concurrent enter_exit running
1918	# and this sleep increases chances of the player not ending up in scorn
1919	Coro::Timer::sleep 1;
1920	$pl->ob->leave_link;
1921	})->prio (2);
1922	}
1923	},
1924	);
1925		2544
1926	=item $player_object->goto ($path, $x, $y)
1927
1928	=cut	2545	=cut
		2546
		2547	our $GOTOGEN;
1929		2548
1930	sub cf::object::player::goto {	2549	sub cf::object::player::goto {
1931	my ($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;
1932		2554
1933	$self->enter_link;	2555	$self->enter_link;
1934		2556
1935	(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
1936	my $map = eval {	2579	my $map = eval {
1937	my $map = cf::map::find $path;	2580	my $map = defined $path ? cf::map::find $path : undef;
		2581
		2582	if ($map) {
1938	$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
1939	$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 $@;
1940	} or	2595	}
1941	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1942		2596
		2597	if ($gen == $self->{_goto_generation}) {
		2598	delete $self->{_goto_generation};
1943	$self->leave_link ($map, $x, $y);	2599	$self->leave_link ($map, $x, $y);
		2600	}
		2601
		2602	$done->() if $done;
1944	})->prio (1);	2603	})->prio (1);
1945	}	2604	}
1946		2605
1947	=item $player_object->enter_exit ($exit_object)	2606	=item $player_object->enter_exit ($exit_object)
1948		2607
…		…
1968	}	2627	}
1969		2628
1970	sub prepare_random_map {	2629	sub prepare_random_map {
1971	my ($exit) = @_;	2630	my ($exit) = @_;
1972		2631
1973	my $guard = cf::lock_acquire "exit_prepare:$exit";
1974
1975	# all this does is basically replace the /! path by	2632	# all this does is basically replace the /! path by
1976	# a new random map path (?random/...) with a seed	2633	# a new random map path (?random/...) with a seed
1977	# that depends on the exit object	2634	# that depends on the exit object
1978		2635
1979	my $rmp = parse_random_map_params $exit->msg;	2636	my $rmp = parse_random_map_params $exit->msg;
…		…
1981	if ($exit->map) {	2638	if ($exit->map) {
1982	$rmp->{region} = $exit->region->name;	2639	$rmp->{region} = $exit->region->name;
1983	$rmp->{origin_map} = $exit->map->path;	2640	$rmp->{origin_map} = $exit->map->path;
1984	$rmp->{origin_x} = $exit->x;	2641	$rmp->{origin_x} = $exit->x;
1985	$rmp->{origin_y} = $exit->y;	2642	$rmp->{origin_y} = $exit->y;
		2643
		2644	$exit->map->touch;
1986	}	2645	}
1987		2646
1988	$rmp->{random_seed} ||= $exit->random_seed;	2647	$rmp->{random_seed} ||= $exit->random_seed;
1989		2648
1990	my $data = cf::to_json $rmp;	2649	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1991	my $md5 = Digest::MD5::md5_hex $data;	2650	my $md5 = Digest::MD5::md5_hex $data;
1992	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2651	my $meta = "$RANDOMDIR/$md5.meta";
1993		2652
1994	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2653	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1995	aio_write $fh, 0, (length $data), $data, 0;	2654	aio_write $fh, 0, (length $data), $data, 0;
1996	undef $fh;	2655	undef $fh;
1997	aio_rename "$meta~", $meta;	2656	aio_rename "$meta~", $meta;
1998		2657
		2658	my $slaying = "?random/$md5";
		2659
		2660	if ($exit->valid) {
1999	$exit->slaying ("?random/$md5");	2661	$exit->slaying ("?random/$md5");
2000	$exit->msg (undef);	2662	$exit->msg (undef);
		2663	}
2001	}	2664	}
2002	}	2665	}
2003		2666
2004	sub cf::object::player::enter_exit {	2667	sub cf::object::player::enter_exit {
2005	my ($self, $exit) = @_;	2668	my ($self, $exit) = @_;
2006		2669
2007	return unless $self->type == cf::PLAYER;	2670	return unless $self->type == cf::PLAYER;
2008		2671
2009	if ($exit->slaying eq "/!") {
2010	#TODO: this should de-fi-ni-te-ly not be a sync-job
2011	# the problem is that $exit might not survive long enough
2012	# so it needs to be done right now, right here
2013	cf::sync_job { prepare_random_map $exit };
2014	}
2015
2016	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2017	my $hp = $exit->stats->hp;
2018	my $sp = $exit->stats->sp;
2019
2020	$self->enter_link;	2672	$self->enter_link;
2021		2673
2022	(async {	2674	(async {
2023	$self->deactivate_recursive; # just to be sure	2675	$Coro::current->{desc} = "enter_exit";
		2676
2024	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
2025	$self->goto ($slaying, $hp, $sp);	2692	$self->goto ($map, $x, $y);
2026		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
2027	1;	2698	1
2028	}) {	2699	}) {
2029	$self->message ("Something went wrong deep within the crossfire server. "	2700	$self->message ("Something went wrong deep within the deliantra server. "
2030	. "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. "
2031	. "Please report this to the dungeon master!",	2702	. "Please report this to the dungeon master!",
2032	cf::NDI_UNIQUE | cf::NDI_RED);	2703	cf::NDI_UNIQUE | cf::NDI_RED);
2033		2704
2034	warn "ERROR in enter_exit: $@";	2705	warn "ERROR in enter_exit: $@";
…		…
2053		2724
2054	utf8::encode $text;	2725	utf8::encode $text;
2055	$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);
2056	}	2727	}
2057		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
2058	=item $client->ext_event ($type, %msg)	2877	=item $client->ext_msg ($type, @msg)
2059		2878
2060	Sends an exti event to the client.	2879	Sends an ext event to the client.
2061		2880
2062	=cut	2881	=cut
2063		2882
2064	sub cf::client::ext_event($$%) {	2883	sub cf::client::ext_msg($$@) {
2065	my ($self, $type, %msg) = @_;	2884	my ($self, $type, @msg) = @_;
2066		2885
		2886	if ($self->extcmd == 2) {
		2887	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2888	} elsif ($self->extcmd == 1) { # TODO: remove
2067	$msg{msgtype} = "event_$type";	2889	push @msg, msgtype => "event_$type";
2068	$self->send_packet ("ext " . cf::to_json \%msg);	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	}
2069	}	2910	}
2070		2911
2071	=item $success = $client->query ($flags, "text", \&cb)	2912	=item $success = $client->query ($flags, "text", \&cb)
2072		2913
2073	Queues a query to the client, calling the given callback with	2914	Queues a query to the client, calling the given callback with
2074	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2915	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2075	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2916	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2076		2917
2077	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
2078	reliable at some point in the future.	2919	become reliable at some point in the future.
2079		2920
2080	=cut	2921	=cut
2081		2922
2082	sub cf::client::query {	2923	sub cf::client::query {
2083	my ($self, $flags, $text, $cb) = @_;	2924	my ($self, $flags, $text, $cb) = @_;
…		…
2091	utf8::encode $text;	2932	utf8::encode $text;
2092	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2933	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2093		2934
2094	$self->send_packet ($self->{query_queue}[0][0])	2935	$self->send_packet ($self->{query_queue}[0][0])
2095	if @{ $self->{query_queue} } == 1;	2936	if @{ $self->{query_queue} } == 1;
		2937
		2938	1
2096	}	2939	}
2097		2940
2098	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	},
2099	on_reply => sub {	2947	on_reply => sub {
2100	my ($ns, $msg) = @_;	2948	my ($ns, $msg) = @_;
2101		2949
2102	# this weird shuffling is so that direct followup queries	2950	# this weird shuffling is so that direct followup queries
2103	# get handled first	2951	# get handled first
…		…
2115	} else {	2963	} else {
2116	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2964	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2117	}	2965	}
2118	}	2966	}
2119	},	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	},
2120	);	2994	);
2121		2995
2122	=item $client->async (\&cb)	2996	=item $client->async (\&cb)
2123		2997
2124	Create a new coroutine, running the specified callback. The coroutine will	2998	Create a new coroutine, running the specified callback. The coroutine will
…		…
2165	our $safe = new Safe "safe";	3039	our $safe = new Safe "safe";
2166	our $safe_hole = new Safe::Hole;	3040	our $safe_hole = new Safe::Hole;
2167		3041
2168	$SIG{FPE} = 'IGNORE';	3042	$SIG{FPE} = 'IGNORE';
2169		3043
2170	$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	));
2171		3049
2172	# here we export the classes and methods available to script code	3050	# here we export the classes and methods available to script code
2173		3051
2174	=pod	3052	=pod
2175		3053
2176	The following functions and methods are available within a safe environment:	3054	The following functions and methods are available within a safe environment:
2177		3055
2178	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
2179	cf::object::player player	3061	cf::object::player
2180	cf::player peaceful	3062	player
2181	cf::map trigger	3063
		3064	cf::player
		3065	peaceful
		3066
		3067	cf::map
		3068	trigger
2182		3069
2183	=cut	3070	=cut
2184		3071
2185	for (	3072	for (
2186	["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)],
2187	["cf::object::player" => qw(player)],	3076	["cf::object::player" => qw(player)],
2188	["cf::player" => qw(peaceful)],	3077	["cf::player" => qw(peaceful send_msg)],
2189	["cf::map" => qw(trigger)],	3078	["cf::map" => qw(trigger)],
2190	) {	3079	) {
2191	no strict 'refs';	3080	no strict 'refs';
2192	my ($pkg, @funs) = @$_;	3081	my ($pkg, @funs) = @$_;
2193	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3082	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2210	my ($code, %vars) = @_;	3099	my ($code, %vars) = @_;
2211		3100
2212	my $qcode = $code;	3101	my $qcode = $code;
2213	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3102	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2214	$qcode =~ s/\n/\\n/g;	3103	$qcode =~ s/\n/\\n/g;
		3104
		3105	%vars = (_dummy => 0) unless %vars;
2215		3106
2216	local $_;	3107	local $_;
2217	local @safe::cf::_safe_eval_args = values %vars;	3108	local @safe::cf::_safe_eval_args = values %vars;
2218		3109
2219	my $eval =	3110	my $eval =
…		…
2262	=back	3153	=back
2263		3154
2264	=cut	3155	=cut
2265		3156
2266	#############################################################################	3157	#############################################################################
2267
2268	=head2 EXTENSION DATABASE SUPPORT
2269
2270	Crossfire maintains a very simple database for extension use. It can
2271	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2272	convert to/from binary).
2273
2274	The parameter C<$family> should best start with the name of the extension
2275	using it, it should be unique.
2276
2277	=over 4
2278
2279	=item $value = cf::db_get $family => $key
2280
2281	Returns a single value from the database.
2282
2283	=item cf::db_put $family => $key => $value
2284
2285	Stores the given C<$value> in the family.
2286
2287	=cut
2288
2289	our $DB;
2290
2291	sub db_init {
2292	unless ($DB) {
2293	$DB = BDB::db_create $DB_ENV;
2294
2295	cf::sync_job {
2296	eval {
2297	$DB->set_flags (BDB::CHKSUM);
2298
2299	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2300	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2301	cf::cleanup "db_open(db): $!" if $!;
2302	};
2303	cf::cleanup "db_open(db): $@" if $@;
2304	};
2305	}
2306	}
2307
2308	sub db_get($$) {
2309	my $key = "$_[0]/$_[1]";
2310
2311	cf::sync_job {
2312	BDB::db_get $DB, undef, $key, my $data;
2313
2314	$! ? ()
2315	: $data
2316	}
2317	}
2318
2319	sub db_put($$$) {
2320	BDB::dbreq_pri 4;
2321	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2322	}
2323
2324	=item cf::cache $id => [$paths...], $processversion => $process
2325
2326	Generic caching function that returns the value of the resource $id,
2327	caching and regenerating as required.
2328
2329	This function can block.
2330
2331	=cut
2332
2333	sub cache {
2334	my ($id, $src, $processversion, $process) = @_;
2335
2336	my $meta =
2337	join "\x00",
2338	$processversion,
2339	map {
2340	aio_stat $_
2341	and Carp::croak "$_: $!";
2342
2343	($_, (stat _)[7,9])
2344	} @$src;
2345
2346	my $dbmeta = db_get cache => "$id/meta";
2347	if ($dbmeta ne $meta) {
2348	# changed, we may need to process
2349
2350	my @data;
2351	my $md5;
2352
2353	for (0 .. $#$src) {
2354	0 <= aio_load $src->[$_], $data[$_]
2355	or Carp::croak "$src->[$_]: $!";
2356	}
2357
2358	# if processing is expensive, check
2359	# checksum first
2360	if (1) {
2361	$md5 =
2362	join "\x00",
2363	$processversion,
2364	map {
2365	Coro::cede;
2366	($src->[$_], Digest::MD5::md5_hex $data[$_])
2367	} 0.. $#$src;
2368
2369
2370	my $dbmd5 = db_get cache => "$id/md5";
2371	if ($dbmd5 eq $md5) {
2372	db_put cache => "$id/meta", $meta;
2373
2374	return db_get cache => "$id/data";
2375	}
2376	}
2377
2378	my $data = $process->(\@data);
2379
2380	db_put cache => "$id/data", $data;
2381	db_put cache => "$id/md5" , $md5;
2382	db_put cache => "$id/meta", $meta;
2383
2384	return $data;
2385	}
2386
2387	db_get cache => "$id/data"
2388	}
2389
2390	=item fork_call { }, $args
2391
2392	Executes the given code block with the given arguments in a seperate
2393	process, returning the results. Everything must be serialisable with
2394	Coro::Storable. May, of course, block. Note that the executed sub may
2395	never block itself or use any form of Event handling.
2396
2397	=cut
2398
2399	sub fork_call(&@) {
2400	my ($cb, @args) = @_;
2401
2402	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2403	# or die "socketpair: $!";
2404	pipe my $fh1, my $fh2
2405	or die "pipe: $!";
2406
2407	if (my $pid = fork) {
2408	close $fh2;
2409
2410	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2411	$res = Coro::Storable::thaw $res;
2412
2413	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2414
2415	die $$res unless "ARRAY" eq ref $res;
2416
2417	return wantarray ? @$res : $res->[-1];
2418	} else {
2419	eval {
2420	local $SIG{__DIE__};
2421	local $SIG{__WARN__};
2422	close $fh1;
2423
2424	my @res = eval { $cb->(@args) };
2425	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2426	};
2427
2428	_exit 0;
2429	}
2430	}
2431
2432
2433
2434	#############################################################################
2435	# the server's init and main functions	3158	# the server's init and main functions
2436		3159
2437	sub load_facedata($) {	3160	sub load_facedata($) {
2438	my ($path) = @_;	3161	my ($path) = @_;
		3162
		3163	# HACK to clear player env face cache, we need some signal framework
		3164	# for this (global event?)
		3165	%ext::player_env::MUSIC_FACE_CACHE = ();
		3166
		3167	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2439		3168
2440	warn "loading facedata from $path\n";	3169	warn "loading facedata from $path\n";
2441		3170
2442	my $facedata;	3171	my $facedata;
2443	0 < aio_load $path, $facedata	3172	0 < aio_load $path, $facedata
…		…
2446	$facedata = Coro::Storable::thaw $facedata;	3175	$facedata = Coro::Storable::thaw $facedata;
2447		3176
2448	$facedata->{version} == 2	3177	$facedata->{version} == 2
2449	or cf::cleanup "$path: version mismatch, cannot proceed.";	3178	or cf::cleanup "$path: version mismatch, cannot proceed.";
2450		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
2451	{	3187	{
2452	my $faces = $facedata->{faceinfo};	3188	my $faces = $facedata->{faceinfo};
2453		3189
2454	while (my ($face, $info) = each %$faces) {	3190	while (my ($face, $info) = each %$faces) {
2455	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3191	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3192
2456	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3193	cf::face::set_visibility $idx, $info->{visibility};
		3194	cf::face::set_magicmap $idx, $info->{magicmap};
2457	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3195	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2458	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3196	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2459	Coro::cede;	3197
		3198	cf::cede_to_tick;
2460	}	3199	}
2461		3200
2462	while (my ($face, $info) = each %$faces) {	3201	while (my ($face, $info) = each %$faces) {
2463	next unless $info->{smooth};	3202	next unless $info->{smooth};
		3203
2464	my $idx = cf::face::find $face	3204	my $idx = cf::face::find $face
2465	or next;	3205	or next;
		3206
2466	if (my $smooth = cf::face::find $info->{smooth}) {	3207	if (my $smooth = cf::face::find $info->{smooth}) {
		3208	cf::face::set_smooth $idx, $smooth;
2467	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3209	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2468	} else {	3210	} else {
2469	warn "smooth face '$info->{smooth}' not found for face '$face'";	3211	warn "smooth face '$info->{smooth}' not found for face '$face'";
2470	}	3212	}
2471	Coro::cede;	3213
		3214	cf::cede_to_tick;
2472	}	3215	}
2473	}	3216	}
2474		3217
2475	{	3218	{
2476	my $anims = $facedata->{animinfo};	3219	my $anims = $facedata->{animinfo};
2477		3220
2478	while (my ($anim, $info) = each %$anims) {	3221	while (my ($anim, $info) = each %$anims) {
2479	cf::anim::set $anim, $info->{frames}, $info->{facings};	3222	cf::anim::set $anim, $info->{frames}, $info->{facings};
2480	Coro::cede;	3223	cf::cede_to_tick;
2481	}	3224	}
2482		3225
2483	cf::anim::invalidate_all; # d'oh	3226	cf::anim::invalidate_all; # d'oh
2484	}	3227	}
2485		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);
		3263
2486	1	3264	1
2487	}	3265	}
2488		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 $_->{match};
		3316	}
		3317	}
		3318
2489	sub reload_facedata {	3319	sub reload_facedata {
2490	load_facedata sprintf "%s/facedata", cf::datadir	3320	load_facedata "$DATADIR/facedata"
2491	or die "unable to load facedata\n";	3321	or die "unable to load facedata\n";
2492	}	3322	}
2493		3323
2494	sub reload_regions {
2495	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2496	or die "unable to load regions file\n";
2497	}
2498
2499	sub reload_archetypes {	3324	sub reload_archetypes {
2500	load_resource_file sprintf "%s/archetypes", cf::datadir	3325	load_resource_file "$DATADIR/archetypes"
2501	or die "unable to load archetypes\n";	3326	or die "unable to load archetypes\n";
2502	}	3327	}
2503		3328
2504	sub reload_treasures {	3329	sub reload_treasures {
2505	load_resource_file sprintf "%s/treasures", cf::datadir	3330	load_resource_file "$DATADIR/treasures"
2506	or die "unable to load treasurelists\n";	3331	or die "unable to load treasurelists\n";
2507	}	3332	}
2508		3333
2509	sub reload_resources {	3334	sub reload_resources {
2510	warn "reloading resource files...\n";	3335	warn "reloading resource files...\n";
2511		3336
2512	reload_regions;
2513	reload_facedata;	3337	reload_facedata;
2514	reload_archetypes;	3338	reload_archetypes;
		3339	reload_regions;
2515	reload_treasures;	3340	reload_treasures;
2516		3341
2517	warn "finished reloading resource files\n";	3342	warn "finished reloading resource files\n";
2518	}	3343	}
2519		3344
2520	sub init {	3345	sub reload_config {
2521	reload_resources;
2522	}
2523
2524	sub cfg_load {
2525	open my $fh, "<:utf8", cf::confdir . "/config"	3346	open my $fh, "<:utf8", "$CONFDIR/config"
2526	or return;	3347	or return;
2527		3348
2528	local $/;	3349	local $/;
2529	*CFG = YAML::Syck::Load <$fh>;	3350	*CFG = YAML::Load <$fh>;
2530		3351
2531	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3352	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2532		3353
2533	$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};
2534	$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};
…		…
2540	};	3361	};
2541	warn $@ if $@;	3362	warn $@ if $@;
2542	}	3363	}
2543	}	3364	}
2544		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
2545	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
2546	# we must not ever block the main coroutine	3400	# we must not ever block the main coroutine
2547	local $Coro::idle = sub {	3401	local $Coro::idle = sub {
2548	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#
2549	(async {	3403	(async {
2550	Event::one_event;	3404	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3405	EV::loop EV::LOOP_ONESHOT;
2551	})->prio (Coro::PRIO_MAX);	3406	})->prio (Coro::PRIO_MAX);
2552	};	3407	};
2553		3408
2554	cfg_load;	3409	evthread_start IO::AIO::poll_fileno;
		3410
		3411	cf::sync_job {
		3412	reload_resources;
		3413	reload_config;
2555	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
2556	load_extensions;	3427	load_extensions;
2557		3428
2558	$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
2559	Event::loop;	3437	EV::loop;
2560	}	3438	}
2561		3439
2562	#############################################################################	3440	#############################################################################
2563	# initialisation and cleanup	3441	# initialisation and cleanup
2564		3442
2565	# install some emergency cleanup handlers	3443	# install some emergency cleanup handlers
2566	BEGIN {	3444	BEGIN {
		3445	our %SIGWATCHER = ();
2567	for my $signal (qw(INT HUP TERM)) {	3446	for my $signal (qw(INT HUP TERM)) {
2568	Event->signal (	3447	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2569	reentrant => 0,
2570	data => WF_AUTOCANCEL,
2571	signal => $signal,
2572	prio => 0,
2573	cb => sub {
2574	cf::cleanup "SIG$signal";	3448	cf::cleanup "SIG$signal";
2575	},
2576	);	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
2577	}	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 };
2578	}	3537	}
2579		3538
2580	sub emergency_save() {	3539	sub emergency_save() {
2581	my $freeze_guard = cf::freeze_mainloop;	3540	my $freeze_guard = cf::freeze_mainloop;
2582		3541
2583	warn "enter emergency perl save\n";	3542	warn "emergency_perl_save: enter\n";
2584		3543
2585	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
2586	# use a peculiar iteration method to avoid tripping on perl	3550	# use a peculiar iteration method to avoid tripping on perl
2587	# refcount bugs in for. also avoids problems with players	3551	# refcount bugs in for. also avoids problems with players
2588	# and maps saved/destroyed asynchronously.	3552	# and maps saved/destroyed asynchronously.
2589	warn "begin emergency player save\n";	3553	warn "emergency_perl_save: begin player save\n";
2590	for my $login (keys %cf::PLAYER) {	3554	for my $login (keys %cf::PLAYER) {
2591	my $pl = $cf::PLAYER{$login} or next;	3555	my $pl = $cf::PLAYER{$login} or next;
2592	$pl->valid or next;	3556	$pl->valid or next;
		3557	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2593	$pl->save;	3558	$pl->save;
2594	}	3559	}
2595	warn "end emergency player save\n";	3560	warn "emergency_perl_save: end player save\n";
2596		3561
2597	warn "begin emergency map save\n";	3562	warn "emergency_perl_save: begin map save\n";
2598	for my $path (keys %cf::MAP) {	3563	for my $path (keys %cf::MAP) {
2599	my $map = $cf::MAP{$path} or next;	3564	my $map = $cf::MAP{$path} or next;
2600	$map->valid or next;	3565	$map->valid or next;
2601	$map->save;	3566	$map->save;
2602	}	3567	}
2603	warn "end emergency map save\n";	3568	warn "emergency_perl_save: end map save\n";
2604		3569
2605	warn "begin emergency database checkpoint\n";	3570	warn "emergency_perl_save: begin database checkpoint\n";
2606	BDB::db_env_txn_checkpoint $DB_ENV;	3571	BDB::db_env_txn_checkpoint $DB_ENV;
2607	warn "end emergency database checkpoint\n";	3572	warn "emergency_perl_save: end database checkpoint\n";
		3573
		3574	warn "emergency_perl_save: begin write uuid\n";
		3575	write_uuid_sync 1;
		3576	warn "emergency_perl_save: end write uuid\n";
2608	};	3577	};
2609		3578
		3579	warn "emergency_perl_save: starting sync()\n";
		3580	IO::AIO::aio_sync sub {
		3581	warn "emergency_perl_save: finished sync()\n";
		3582	};
		3583
2610	warn "leave emergency perl save\n";	3584	warn "emergency_perl_save: leave\n";
2611	}	3585	}
2612		3586
2613	sub post_cleanup {	3587	sub post_cleanup {
2614	my ($make_core) = @_;	3588	my ($make_core) = @_;
2615		3589
2616	warn Carp::longmess "post_cleanup backtrace"	3590	warn Carp::longmess "post_cleanup backtrace"
2617	if $make_core;	3591	if $make_core;
		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#
2618	}	3621	}
2619		3622
2620	sub do_reload_perl() {	3623	sub do_reload_perl() {
2621	# can/must only be called in main	3624	# can/must only be called in main
2622	if ($Coro::current != $Coro::main) {	3625	if ($Coro::current != $Coro::main) {
2623	warn "can only reload from main coroutine";	3626	warn "can only reload from main coroutine";
2624	return;	3627	return;
2625	}	3628	}
2626		3629
		3630	return if $RELOAD++;
		3631
		3632	my $t1 = EV::time;
		3633
		3634	while ($RELOAD) {
2627	warn "reloading...";	3635	warn "reloading...";
2628		3636
2629	warn "entering sync_job";	3637	warn "entering sync_job";
2630		3638
2631	cf::sync_job {	3639	cf::sync_job {
2632	cf::write_runtime; # external watchdog should not bark	3640	cf::write_runtime_sync; # external watchdog should not bark
2633	cf::emergency_save;	3641	cf::emergency_save;
2634	cf::write_runtime; # external watchdog should not bark	3642	cf::write_runtime_sync; # external watchdog should not bark
2635		3643
2636	warn "syncing database to disk";	3644	warn "syncing database to disk";
2637	BDB::db_env_txn_checkpoint $DB_ENV;	3645	BDB::db_env_txn_checkpoint $DB_ENV;
2638		3646
2639	# 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
2640		3648
2641	warn "cancelling all WF_AUTOCANCEL watchers";
2642	for (Event::all_watchers) {
2643	$_->cancel if $_->data & WF_AUTOCANCEL;
2644	}
2645
2646	warn "flushing outstanding aio requests";	3649	warn "flushing outstanding aio requests";
2647	for (;;) {
2648	BDB::flush;
2649	IO::AIO::flush;
2650	Coro::cede;
2651	last unless IO::AIO::nreqs || BDB::nreqs;	3650	while (IO::AIO::nreqs || BDB::nreqs) {
2652	warn "iterate...";	3651	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2653	}
2654
2655	++$RELOAD;
2656
2657	warn "cancelling all extension coros";
2658	$_->cancel for values %EXT_CORO;
2659	%EXT_CORO = ();
2660
2661	warn "removing commands";
2662	%COMMAND = ();
2663
2664	warn "removing ext commands";
2665	%EXTCMD = ();
2666
2667	warn "unloading/nuking all extensions";
2668	for my $pkg (@EXTS) {
2669	warn "... unloading $pkg";
2670
2671	if (my $cb = $pkg->can ("unload")) {
2672	eval {
2673	$cb->($pkg);
2674	1
2675	} or warn "$pkg unloaded, but with errors: $@";
2676	}	3652	}
2677		3653
2678	warn "... nuking $pkg";	3654	warn "cancelling all extension coros";
2679	Symbol::delete_package $pkg;	3655	$_->cancel for values %EXT_CORO;
2680	}	3656	%EXT_CORO = ();
2681		3657
2682	warn "unloading all perl modules loaded from $LIBDIR";	3658	warn "removing commands";
2683	while (my ($k, $v) = each %INC) {	3659	%COMMAND = ();
2684	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2685		3660
		3661	warn "removing ext/exti commands";
		3662	%EXTCMD = ();
		3663	%EXTICMD = ();
		3664
		3665	warn "unloading/nuking all extensions";
		3666	for my $pkg (@EXTS) {
2686	warn "... unloading $k";	3667	warn "... unloading $pkg";
2687	delete $INC{$k};
2688		3668
2689	$k =~ s/\.pm$//;
2690	$k =~ s/\//::/g;
2691
2692	if (my $cb = $k->can ("unload_module")) {	3669	if (my $cb = $pkg->can ("unload")) {
		3670	eval {
2693	$cb->();	3671	$cb->($pkg);
		3672	1
		3673	} or warn "$pkg unloaded, but with errors: $@";
		3674	}
		3675
		3676	warn "... clearing $pkg";
		3677	clear_package $pkg;
2694	}	3678	}
2695		3679
2696	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;
2697	}	3695	}
2698		3696
2699	warn "getting rid of safe::, as good as possible";	3697	warn "getting rid of safe::, as good as possible";
2700	Symbol::delete_package "safe::$_"	3698	clear_package "safe::$_"
2701	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);
2702		3700
2703	warn "unloading cf.pm \"a bit\"";	3701	warn "unloading cf.pm \"a bit\"";
2704	delete $INC{"cf.pm"};	3702	delete $INC{"cf.pm"};
		3703	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2705		3704
2706	# don't, removes xs symbols, too,	3705	# don't, removes xs symbols, too,
2707	# and global variables created in xs	3706	# and global variables created in xs
2708	#Symbol::delete_package __PACKAGE__;	3707	#clear_package __PACKAGE__;
2709		3708
2710	warn "unload completed, starting to reload now";	3709	warn "unload completed, starting to reload now";
2711		3710
2712	warn "reloading cf.pm";	3711	warn "reloading cf.pm";
2713	require cf;	3712	require cf;
2714	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3713	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2715		3714
2716	warn "loading config and database again";	3715	warn "loading config and database again";
2717	cf::cfg_load;	3716	cf::reload_config;
2718		3717
2719	warn "loading extensions";	3718	warn "loading extensions";
2720	cf::load_extensions;	3719	cf::load_extensions;
2721		3720
		3721	if ($REATTACH_ON_RELOAD) {
2722	warn "reattaching attachments to objects/players";	3722	warn "reattaching attachments to objects/players";
2723	_global_reattach; # objects, sockets	3723	_global_reattach; # objects, sockets
2724	warn "reattaching attachments to maps";	3724	warn "reattaching attachments to maps";
2725	reattach $_ for values %MAP;	3725	reattach $_ for values %MAP;
2726	warn "reattaching attachments to players";	3726	warn "reattaching attachments to players";
2727	reattach $_ for values %PLAYER;	3727	reattach $_ for values %PLAYER;
		3728	}
2728		3729
		3730	warn "running post_init jobs";
		3731	(pop @POST_INIT)->(1) while @POST_INIT;
		3732
2729	warn "leaving sync_job";	3733	warn "leaving sync_job";
2730		3734
2731	1	3735	1
2732	} or do {	3736	} or do {
2733	warn $@;	3737	warn $@;
2734	warn "error while reloading, exiting.";	3738	cf::cleanup "error while reloading, exiting.";
2735	exit 1;
2736	};	3739	};
2737		3740
2738	warn "reloaded";	3741	warn "reloaded";
		3742	--$RELOAD;
		3743	}
		3744
		3745	$t1 = EV::time - $t1;
		3746	warn "reload completed in ${t1}s\n";
2739	};	3747	};
2740		3748
2741	our $RELOAD_WATCHER; # used only during reload	3749	our $RELOAD_WATCHER; # used only during reload
2742		3750
2743	sub reload_perl() {	3751	sub reload_perl() {
2744	# doing reload synchronously and two reloads happen back-to-back,	3752	# doing reload synchronously and two reloads happen back-to-back,
2745	# coro crashes during coro_state_free->destroy here.	3753	# coro crashes during coro_state_free->destroy here.
2746		3754
2747	$RELOAD_WATCHER ||= Event->timer (	3755	$RELOAD_WATCHER ||= cf::async {
2748	reentrant => 0,	3756	Coro::AIO::aio_wait cache_extensions;
2749	after => 0,	3757
2750	data => WF_AUTOCANCEL,	3758	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2751	cb => sub {
2752	do_reload_perl;	3759	do_reload_perl;
2753	undef $RELOAD_WATCHER;	3760	undef $RELOAD_WATCHER;
2754	},	3761	};
2755	);	3762	};
2756	}	3763	}
2757		3764
2758	register_command "reload" => sub {	3765	register_command "reload" => sub {
2759	my ($who, $arg) = @_;	3766	my ($who, $arg) = @_;
2760		3767
2761	if ($who->flag (FLAG_WIZ)) {	3768	if ($who->flag (FLAG_WIZ)) {
2762	$who->message ("reloading server.");	3769	$who->message ("reloading server.");
		3770	async {
		3771	$Coro::current->{desc} = "perl_reload";
2763	async { reload_perl };	3772	reload_perl;
		3773	};
2764	}	3774	}
2765	};	3775	};
2766		3776
2767	unshift @INC, $LIBDIR;	3777	unshift @INC, $LIBDIR;
2768		3778
…		…
2770		3780
2771	our @WAIT_FOR_TICK;	3781	our @WAIT_FOR_TICK;
2772	our @WAIT_FOR_TICK_BEGIN;	3782	our @WAIT_FOR_TICK_BEGIN;
2773		3783
2774	sub wait_for_tick {	3784	sub wait_for_tick {
2775	return unless $TICK_WATCHER->is_active;
2776	return if $Coro::current == $Coro::main;	3785	return if tick_inhibit || $Coro::current == $Coro::main;
2777		3786
2778	my $signal = new Coro::Signal;	3787	my $signal = new Coro::Signal;
2779	push @WAIT_FOR_TICK, $signal;	3788	push @WAIT_FOR_TICK, $signal;
2780	$signal->wait;	3789	$signal->wait;
2781	}	3790	}
2782		3791
2783	sub wait_for_tick_begin {	3792	sub wait_for_tick_begin {
2784	return unless $TICK_WATCHER->is_active;
2785	return if $Coro::current == $Coro::main;	3793	return if tick_inhibit || $Coro::current == $Coro::main;
2786		3794
2787	my $signal = new Coro::Signal;	3795	my $signal = new Coro::Signal;
2788	push @WAIT_FOR_TICK_BEGIN, $signal;	3796	push @WAIT_FOR_TICK_BEGIN, $signal;
2789	$signal->wait;	3797	$signal->wait;
2790	}	3798	}
2791		3799
2792	$TICK_WATCHER = Event->timer (	3800	sub tick {
2793	reentrant => 0,
2794	parked => 1,
2795	prio => 0,
2796	at => $NEXT_TICK || $TICK,
2797	data => WF_AUTOCANCEL,
2798	cb => sub {
2799	if ($Coro::current != $Coro::main) {	3801	if ($Coro::current != $Coro::main) {
2800	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"
2801	unless ++$bug_warning > 10;	3803	unless ++$bug_warning > 10;
2802	return;	3804	return;
2803	}	3805	}
2804		3806
2805	$NOW = Event::time;
2806
2807	cf::server_tick; # one server iteration	3807	cf::server_tick; # one server iteration
2808		3808
2809	$RUNTIME += $TICK;
2810	$NEXT_TICK += $TICK;
2811
2812	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3809	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2813	$NEXT_RUNTIME_WRITE = $NOW + 10;	3810	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2814	Coro::async_pool {	3811	Coro::async_pool {
		3812	$Coro::current->{desc} = "runtime saver";
2815	write_runtime	3813	write_runtime_sync
2816	or warn "ERROR: unable to write runtime file: $!";	3814	or warn "ERROR: unable to write runtime file: $!";
2817	};
2818	}	3815	};
		3816	}
2819		3817
2820	# my $AFTER = Event::time;
2821	# warn $AFTER - $NOW;#d#
2822
2823	# if we are delayed by four ticks or more, skip them all
2824	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2825
2826	$TICK_WATCHER->at ($NEXT_TICK);
2827	$TICK_WATCHER->start;
2828
2829	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3818	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2830	$sig->send;	3819	$sig->send;
2831	}	3820	}
2832	while (my $sig = shift @WAIT_FOR_TICK) {	3821	while (my $sig = shift @WAIT_FOR_TICK) {
2833	$sig->send;	3822	$sig->send;
2834	}
2835
2836	_post_tick;
2837	},	3823	}
2838	);	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	}
2839		3836
2840	{	3837	{
2841	BDB::max_poll_time $TICK * 0.1;	3838	# configure BDB
2842	$BDB_POLL_WATCHER = Event->io (	3839
2843	reentrant => 0,
2844	fd => BDB::poll_fileno,
2845	poll => 'r',
2846	prio => 0,
2847	data => WF_AUTOCANCEL,
2848	cb => \&BDB::poll_cb,
2849	);
2850	BDB::min_parallel 8;	3840	BDB::min_parallel 8;
2851		3841	BDB::max_poll_reqs $TICK * 0.1;
2852	BDB::set_sync_prepare {	3842	$AnyEvent::BDB::WATCHER->priority (1);
2853	my $status;
2854	my $current = $Coro::current;
2855	(
2856	sub {
2857	$status = $!;
2858	$current->ready; undef $current;
2859	},
2860	sub {
2861	Coro::schedule while defined $current;
2862	$! = $status;
2863	},
2864	)
2865	};
2866		3843
2867	unless ($DB_ENV) {	3844	unless ($DB_ENV) {
2868	$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);
2869		3851
2870	cf::sync_job {	3852	cf::sync_job {
2871	eval {	3853	eval {
2872	BDB::db_env_open	3854	BDB::db_env_open
2873	$DB_ENV,	3855	$DB_ENV,
2874	$BDB_ENV_DIR,	3856	$BDBDIR,
2875	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
2876	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3858	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2877	0666;	3859	0666;
2878		3860
2879	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3861	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2880
2881	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2882	$DB_ENV->set_lk_detect;
2883	};	3862	};
2884		3863
2885	cf::cleanup "db_env_open(db): $@" if $@;	3864	cf::cleanup "db_env_open(db): $@" if $@;
2886	};	3865	};
2887	}	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	};
2888	}	3877	}
2889		3878
2890	{	3879	{
		3880	# configure IO::AIO
		3881
2891	IO::AIO::min_parallel 8;	3882	IO::AIO::min_parallel 8;
2892
2893	undef $Coro::AIO::WATCHER;
2894	IO::AIO::max_poll_time $TICK * 0.1;	3883	IO::AIO::max_poll_time $TICK * 0.1;
2895	$AIO_POLL_WATCHER = Event->io (	3884	undef $AnyEvent::AIO::WATCHER;
2896	reentrant => 0,	3885	}
2897	data => WF_AUTOCANCEL,	3886
2898	fd => IO::AIO::poll_fileno,	3887	my $_log_backtrace;
2899	poll => 'r',	3888
2900	prio => 6,	3889	sub _log_backtrace {
2901	cb => \&IO::AIO::poll_cb,	3890	my ($msg, @addr) = @_;
2902	);	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] $msg\n";
		3925	LOG llevInfo, "[ABT] [suppressed]\n";
		3926	}
2903	}	3927	}
2904		3928
2905	# load additional modules	3929	# load additional modules
2906	use cf::pod;	3930	eval "use cf::$_" for @EXTRA_MODULES;
2907		3931
2908	END { cf::emergency_save }	3932	END { cf::emergency_save }
2909		3933
2910	1	3934	1
2911		3935

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