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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.243 by root, Mon Apr 16 13:02:29 2007 UTC vs.
Revision 1.466 by root, Thu Jan 8 03:03:24 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict qw(vars subs);
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
9	use Event;	31	use EV;
10	use Opcode;	32	use Opcode;
11	use Safe;	33	use Safe;
12	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
13		36
		37	use Guard ();
14	use Coro 3.52 ();	38	use Coro ();
15	use Coro::State;	39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
16	use Coro::Event;	42	use Coro::AnyEvent;
17	use Coro::Timer;	43	use Coro::Timer;
18	use Coro::Signal;	44	use Coro::Signal;
19	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
20	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
21	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
22		52
		53	use JSON::XS 2.01 ();
23	use BDB ();	54	use BDB ();
24	use Data::Dumper;	55	use Data::Dumper;
25	use Digest::MD5;	56	use Digest::MD5;
26	use Fcntl;	57	use Fcntl;
27	use YAML::Syck ();	58	use YAML ();
28	use IO::AIO 2.32 ();	59	use IO::AIO ();
29	use Time::HiRes;	60	use Time::HiRes;
30	use Compress::LZF;	61	use Compress::LZF;
		62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
31		65
32	# configure various modules to our taste	66	# configure various modules to our taste
33	#	67	#
34	$Storable::canonical = 1; # reduce rsync transfers	68	$Storable::canonical = 1; # reduce rsync transfers
35	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";
36	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
37
38	$Event::Eval = 1; # no idea why this is required, but it is
39
40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
41	$YAML::Syck::ImplicitUnicode = 1;
42
43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
44		76
45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
46		78
47	our %COMMAND = ();	79	our %COMMAND = ();
48	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
49		81
50	our @EXTS = (); # list of extension package names	82	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	83	our %EXTCMD = ();
		84	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	85	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	86	our %EXT_MAP = (); # pluggable maps
54		87
55	our $RELOAD; # number of reloads so far	88	our $RELOAD; # number of reloads so far, non-zero while in reload
56	our @EVENT;	89	our @EVENT;
57	our $LIBDIR = datadir . "/ext";
58		90
59	our $TICK = MAX_TIME * 1e-6;	91	our $CONFDIR = confdir;
60	our $TICK_WATCHER;	92	our $DATADIR = datadir;
61	our $AIO_POLL_WATCHER;	93	our $LIBDIR = "$DATADIR/ext";
		94	our $PODDIR = "$DATADIR/pod";
		95	our $MAPDIR = "$DATADIR/" . mapdir;
		96	our $LOCALDIR = localdir;
		97	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		98	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		99	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		100	our $RANDOMDIR = "$LOCALDIR/random";
		101	our $BDBDIR = "$LOCALDIR/db";
		102	our $PIDFILE = "$LOCALDIR/pid";
		103	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		104
		105	our %RESOURCE;
		106
		107	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	108	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	109	our $NEXT_TICK;
64	our $NOW;
65	our $USE_FSYNC = 1; # use fsync to write maps - default off	110	our $USE_FSYNC = 1; # use fsync to write maps - default off
66		111
		112	our $BDB_DEADLOCK_WATCHER;
		113	our $BDB_CHECKPOINT_WATCHER;
67	our $BDB_POLL_WATCHER;	114	our $BDB_TRICKLE_WATCHER;
68	our $DB_ENV;	115	our $DB_ENV;
		116
		117	our @EXTRA_MODULES = qw(pod mapscript);
69		118
70	our %CFG;	119	our %CFG;
71		120
72	our $UPTIME; $UPTIME ||= time;	121	our $UPTIME; $UPTIME ||= time;
73	our $RUNTIME;	122	our $RUNTIME;
		123	our $NOW;
74		124
75	our %PLAYER; # all users	125	our (%PLAYER, %PLAYER_LOADING); # all users
76	our %MAP; # all maps	126	our (%MAP, %MAP_LOADING ); # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	127	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80		128
81	# 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 ∕
82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	130	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
83		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 $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
		140
84	binmode STDOUT;	141	binmode STDOUT;
85	binmode STDERR;	142	binmode STDERR;
86		143
87	# read virtual server time, if available	144	# read virtual server time, if available
88	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	145	unless ($RUNTIME || !-e $RUNTIMEFILE) {
89	open my $fh, "<", cf::localdir . "/runtime"	146	open my $fh, "<", $RUNTIMEFILE
90	or die "unable to read runtime file: $!";	147	or die "unable to read $RUNTIMEFILE file: $!";
91	$RUNTIME = <$fh> + 0.;	148	$RUNTIME = <$fh> + 0.;
92	}	149	}
93		150
94	mkdir cf::localdir;	151	mkdir $_
95	mkdir cf::localdir . "/" . cf::playerdir;	152	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
96	mkdir cf::localdir . "/" . cf::tmpdir;
97	mkdir cf::localdir . "/" . cf::uniquedir;
98	mkdir $RANDOM_MAPS;
99	mkdir $BDB_ENV_DIR;
100		153
101	our $EMERGENCY_POSITION;	154	our $EMERGENCY_POSITION;
102		155
103	sub cf::map::normalise;	156	sub cf::map::normalise;
104		157
…		…
115	=item $cf::RUNTIME	168	=item $cf::RUNTIME
116		169
117	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
118	every server tick.	171	every server tick.
119		172
120	=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
121		176
122	The perl library directory, where extensions and cf-specific modules can	177	Various directories - "/etc", read-only install directory, perl-library
123	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.
124		181
125	=item $cf::NOW	182	=item $cf::NOW
126		183
127	The time of the last (current) server tick.	184	The time of the last (current) server tick.
128		185
129	=item $cf::TICK	186	=item $cf::TICK
130		187
131	The interval between server ticks, in seconds.	188	The interval between server ticks, in seconds.
132		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
133	=item %cf::CFG	200	=item %cf::CFG
134		201
135	Configuration for the server, loaded from C</etc/crossfire/config>, or	202	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
136	from wherever your confdir points to.	203	from wherever your confdir points to.
137		204
138	=item cf::wait_for_tick, cf::wait_for_tick_begin	205	=item cf::wait_for_tick, cf::wait_for_tick_begin
139		206
140	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
141	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
142	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.
143		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
144	=back	217	=back
145		218
146	=cut	219	=cut
147		220
148	BEGIN {	221	BEGIN {
149	*CORE::GLOBAL::warn = sub {	222	*CORE::GLOBAL::warn = sub {
150	my $msg = join "", @_;	223	my $msg = join "", @_;
151	utf8::encode $msg;
152		224
153	$msg .= "\n"	225	$msg .= "\n"
154	unless $msg =~ /\n$/;	226	unless $msg =~ /\n$/;
155		227
		228	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		229
156	LOG llevError, $msg;	230	LOG llevError, $msg;
157	};	231	};
158	}	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#?
159		248
160	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	249	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
161	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	250	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
162	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	251	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
163	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	252	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
164	@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';
165	@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)
166		256
167	# 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
168	# within the Safe compartment.	258	# within the Safe compartment.
169	for my $pkg (qw(	259	for my $pkg (qw(
170	cf::global cf::attachable	260	cf::global cf::attachable
171	cf::object cf::object::player	261	cf::object cf::object::player
172	cf::client cf::player	262	cf::client cf::player
173	cf::arch cf::living	263	cf::arch cf::living
		264	cf::map cf::mapspace
174	cf::map cf::party cf::region	265	cf::party cf::region
175	)) {	266	)) {
176	no strict 'refs';
177	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	267	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
178	}	268	}
179		269
180	$Event::DIED = sub {	270	$EV::DIED = sub {
181	warn "error in event callback: @_";	271	warn "error in event callback: @_";
182	};	272	};
		273
		274	#############################################################################
183		275
184	=head2 UTILITY FUNCTIONS	276	=head2 UTILITY FUNCTIONS
185		277
186	=over 4	278	=over 4
187		279
…		…
206	$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;
207	$d	299	$d
208	} || "[unable to dump $_[0]: '$@']";	300	} || "[unable to dump $_[0]: '$@']";
209	}	301	}
210		302
211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
212
213	=item $ref = cf::from_json $json	303	=item $ref = cf::decode_json $json
214		304
215	Converts a JSON string into the corresponding perl data structure.	305	Converts a JSON string into the corresponding perl data structure.
216		306
217	=item $json = cf::to_json $ref	307	=item $json = cf::encode_json $ref
218		308
219	Converts a perl data structure into its JSON representation.	309	Converts a perl data structure into its JSON representation.
220		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
221	=item cf::lock_wait $string	332	=item cf::lock_wait $string
222		333
223	Wait until the given lock is available. See cf::lock_acquire.	334	Wait until the given lock is available. See cf::lock_acquire.
224		335
225	=item my $lock = cf::lock_acquire $string	336	=item my $lock = cf::lock_acquire $string
226		337
227	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
228	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,
229	for example when the coroutine gets canceled), the lock is automatically	340	for example when the coroutine gets canceled), the lock is automatically
230	returned.	341	returned.
231		342
		343	Locks are *not* recursive, locking from the same coro twice results in a
		344	deadlocked coro.
		345
232	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
233	uses map_find and cf::map::load uses map_load).	347	uses map_find and cf::map::load uses map_load).
234		348
235	=cut	349	=item $locked = cf::lock_active $string
236		350
237	our %LOCK;	351	Return true if the lock is currently active, i.e. somebody has locked it.
		352
		353	=cut
		354
		355	our $LOCKS = new Coro::SemaphoreSet;
238		356
239	sub lock_wait($) {	357	sub lock_wait($) {
240	my ($key) = @_;	358	$LOCKS->wait ($_[0]);
241
242	# wait for lock, if any
243	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;
246	}
247	}	359	}
248		360
249	sub lock_acquire($) {	361	sub lock_acquire($) {
250	my ($key) = @_;	362	$LOCKS->guard ($_[0])
		363	}
251		364
252	# wait, to be sure we are not locked	365	sub lock_active($) {
253	lock_wait $key;	366	$LOCKS->count ($_[0]) < 1
254
255	$LOCK{$key} = [];
256
257	Coro::guard {
258	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };
260	}
261	}	367	}
262		368
263	sub freeze_mainloop {	369	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	370	tick_inhibit_inc;
265		371
266	my $guard = Coro::guard {	372	&Guard::guard (\&tick_inhibit_dec);
267	$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($$) {
		383	my ($interval, $cb) = @_;
		384
		385	my $start = rand List::Util::min 180, $interval;
		386
		387	EV::periodic $start, $interval, 0, $cb
		388	}
		389
		390	=item cf::get_slot $time[, $priority[, $name]]
		391
		392	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		393	This call blocks and returns only when you have at least C<$time> seconds
		394	of cpu time till the next tick. The slot is only valid till the next cede.
		395
		396	The optional C<$name> can be used to identify the job to run. It might be
		397	used for statistical purposes and should identify the same time-class.
		398
		399	Useful for short background jobs.
		400
		401	=cut
		402
		403	our @SLOT_QUEUE;
		404	our $SLOT_QUEUE;
		405
		406	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		407	$SLOT_QUEUE = Coro::async {
		408	$Coro::current->desc ("timeslot manager");
		409
		410	my $signal = new Coro::Signal;
		411
		412	while () {
		413	next_job:
		414	my $avail = cf::till_tick;
		415	if ($avail > 0.01) {
		416	for (0 .. $#SLOT_QUEUE) {
		417	if ($SLOT_QUEUE[$_][0] < $avail) {
		418	my $job = splice @SLOT_QUEUE, $_, 1, ();
		419	$job->[2]->send;
		420	Coro::cede;
		421	goto next_job;
		422	}
		423	}
		424	}
		425
		426	if (@SLOT_QUEUE) {
		427	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		428	push @cf::WAIT_FOR_TICK, $signal;
		429	$signal->wait;
		430	} else {
		431	Coro::schedule;
		432	}
268	};	433	}
269	$TICK_WATCHER->stop;	434	};
270	$guard	435
		436	sub get_slot($;$$) {
		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	$sig->wait;
271	}	448	}
272		449
273	=item cf::async { BLOCK }	450	=item cf::async { BLOCK }
274		451
275	Currently the same as Coro::async_pool, meaning you cannot use	452	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		457
281	BEGIN { *async = \&Coro::async_pool }	458	BEGIN { *async = \&Coro::async_pool }
282		459
283	=item cf::sync_job { BLOCK }	460	=item cf::sync_job { BLOCK }
284		461
285	The design of crossfire+ requires that the main coro ($Coro::main) is	462	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	463	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	464	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		465	acceptable.
288		466
289	If it must be done, put the blocking parts into C<sync_job>. This will run	467	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	468	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	469	server will be frozen during this time, so the block should either finish
292	fast or be very important.	470	fast or be very important.
…		…
295		473
296	sub sync_job(&) {	474	sub sync_job(&) {
297	my ($job) = @_;	475	my ($job) = @_;
298		476
299	if ($Coro::current == $Coro::main) {	477	if ($Coro::current == $Coro::main) {
		478	my $time = EV::time;
		479
300	# this is the main coro, too bad, we have to block	480	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	481	# till the operation succeeds, freezing the server :/
302		482
303	# TODO: use suspend/resume instead	483	LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	484
305	my $freeze_guard = freeze_mainloop;	485	my $freeze_guard = freeze_mainloop;
306		486
307	my $busy = 1;	487	my $busy = 1;
308	my @res;	488	my @res;
309		489
310	(async {	490	(async {
		491	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	492	@res = eval { $job->() };
312	warn $@ if $@;	493	warn $@ if $@;
313	undef $busy;	494	undef $busy;
314	})->prio (Coro::PRIO_MAX);	495	})->prio (Coro::PRIO_MAX);
315		496
316	while ($busy) {	497	while ($busy) {
317	Coro::cede or Event::one_event;	498	if (Coro::nready) {
		499	Coro::cede_notself;
		500	} else {
		501	EV::loop EV::LOOP_ONESHOT;
318	}	502	}
		503	}
		504
		505	my $time = EV::time - $time;
		506
		507	$TICK_START += $time; # do not account sync jobs to server load
319		508
320	wantarray ? @res : $res[0]	509	wantarray ? @res : $res[0]
321	} else {	510	} else {
322	# we are in another coroutine, how wonderful, everything just works	511	# we are in another coroutine, how wonderful, everything just works
323		512
…		…
343	$EXT_CORO{$coro+0} = $coro;	532	$EXT_CORO{$coro+0} = $coro;
344		533
345	$coro	534	$coro
346	}	535	}
347		536
348	sub write_runtime {	537	=item fork_call { }, $args
349	my $guard = cf::lock_acquire "write_runtime";
350		538
351	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.
352		543
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	544	=cut
354	or return;
355		545
356	my $value = $cf::RUNTIME + 90 + 10;	546	sub fork_call(&@) {
357	# 10 is the runtime save interval, for a monotonic clock	547	my ($cb, @args) = @_;
358	# 60 allows for the watchdog to kill the server.
359		548
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	549	# we seemingly have to make a local copy of the whole thing,
361	and return;	550	# otherwise perl prematurely frees the stuff :/
		551	# TODO: investigate and fix (likely this will be rather laborious)
362		552
363	# always fsync - this file is important	553	my @res = Coro::Util::fork_eval {
364	aio_fsync $fh	554	reset_signals;
365	and return;	555	&$cb
		556	}, @args;
366		557
367	close $fh	558	wantarray ? @res : $res[-1]
368	or return;	559	}
369		560
370	aio_rename "$runtime~", $runtime	561	=item $coin = coin_from_name $name
371	and return;
372		562
		563	=cut
		564
		565	our %coin_alias = (
		566	"silver" => "silvercoin",
		567	"silvercoin" => "silvercoin",
		568	"silvercoins" => "silvercoin",
		569	"gold" => "goldcoin",
		570	"goldcoin" => "goldcoin",
		571	"goldcoins" => "goldcoin",
		572	"platinum" => "platinacoin",
		573	"platinumcoin" => "platinacoin",
		574	"platinumcoins" => "platinacoin",
		575	"platina" => "platinacoin",
		576	"platinacoin" => "platinacoin",
		577	"platinacoins" => "platinacoin",
		578	"royalty" => "royalty",
		579	"royalties" => "royalty",
		580	);
		581
		582	sub coin_from_name($) {
		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($$) {
		630	my $key = "$_[0]/$_[1]";
		631
		632	cf::sync_job {
		633	BDB::db_get $DB, undef, $key, my $data;
		634
		635	$! ? ()
		636	: $data
373	1	637	}
		638	}
		639
		640	sub db_put($$$) {
		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"
374	}	713	}
375		714
376	=item cf::datalog type => key => value, ...	715	=item cf::datalog type => key => value, ...
377		716
378	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.
…		…
390		729
391	#############################################################################	730	#############################################################################
392		731
393	=head2 ATTACHABLE OBJECTS	732	=head2 ATTACHABLE OBJECTS
394		733
395	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
396	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")
397	to it. All such attachable objects support the following methods.	736	to it. All such attachable objects support the following methods.
398		737
399	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>
400	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
401	crossfire+).	740	Deliantra).
402		741
403	=over 4	742	=over 4
404		743
405	=item $attachable->attach ($attachment, key => $value...)	744	=item $attachable->attach ($attachment, key => $value...)
406		745
…		…
450	=item cf::CLASS::attachment $name, ...	789	=item cf::CLASS::attachment $name, ...
451		790
452	Register an attachment by C<$name> through which attachable objects of the	791	Register an attachment by C<$name> through which attachable objects of the
453	given CLASS can refer to this attachment.	792	given CLASS can refer to this attachment.
454		793
455	Some classes such as crossfire maps and objects can specify attachments	794	Some classes such as deliantra maps and objects can specify attachments
456	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.
457		796
458	These calls expect any number of the following handler/hook descriptions:	797	These calls expect any number of the following handler/hook descriptions:
459		798
460	=over 4	799	=over 4
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	908	$registry = $CB_TYPE[$object_type] ||= [];
570		909
571	} elsif ($type eq "subtype") {	910	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	911	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	912	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	913	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		914
576	} elsif ($type eq "package") {	915	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	916	my $pkg = shift @arg;
578		917
579	while (my ($name, $id) = each %cb_id) {	918	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	947	_attach $registry, $klass, @attach;
609	}	948	}
610		949
611	$obj->{$name} = \%arg;	950	$obj->{$name} = \%arg;
612	} else {	951	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	952	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	953	}
615		954
616	$obj->{_attachment}{$name} = undef;	955	$obj->{_attachment}{$name} = undef;
617	}	956	}
618		957
…		…
620	if (ref $_[0]) {	959	if (ref $_[0]) {
621	_object_attach @_;	960	_object_attach @_;
622	} else {	961	} else {
623	_attach shift->_attach_registry, @_;	962	_attach shift->_attach_registry, @_;
624	}	963	}
		964	_recalc_want;
625	};	965	};
626		966
627	# all those should be optimised	967	# all those should be optimised
628	sub cf::attachable::detach {	968	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	969	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	972	delete $obj->{_attachment}{$name};
633	reattach ($obj);	973	reattach ($obj);
634	} else {	974	} else {
635	Carp::croak "cannot, currently, detach class attachments";	975	Carp::croak "cannot, currently, detach class attachments";
636	}	976	}
		977	_recalc_want;
637	};	978	};
638		979
639	sub cf::attachable::attached {	980	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	981	my ($obj, $name) = @_;
641		982
…		…
656	";	997	";
657	die if $@;	998	die if $@;
658	}	999	}
659		1000
660	our $override;	1001	our $override;
661	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?
662		1003
663	sub override {	1004	sub override {
664	$override = 1;	1005	$override = 1;
665	@invoke_results = ();	1006	@INVOKE_RESULTS = (@_);
666	}	1007	}
667		1008
668	sub do_invoke {	1009	sub do_invoke {
669	my $event = shift;	1010	my $event = shift;
670	my $callbacks = shift;	1011	my $callbacks = shift;
671		1012
672	@invoke_results = ();	1013	@INVOKE_RESULTS = ();
673		1014
674	local $override;	1015	local $override;
675		1016
676	for (@$callbacks) {	1017	for (@$callbacks) {
677	eval { &{$_->[1]} };	1018	eval { &{$_->[1]} };
…		…
686	}	1027	}
687		1028
688	0	1029	0
689	}	1030	}
690		1031
691	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
692		1033
693	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1034	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
694		1035
695	Generate an object-specific event with the given arguments.	1036	Generate an object-specific event with the given arguments.
696		1037
697	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
698	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
699	results (if you must, access C<@cf::invoke_results> directly).	1040	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		1041
701	=back	1042	=back
702		1043
703	=cut	1044	=cut
704		1045
705	#############################################################################	1046	#############################################################################
706	# 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, $ob2
		1089	}
707		1090
708	sub reattach {	1091	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1092	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1093	my ($obj) = @_;
711		1094
		1095	# no longer needed after getting rid of delete_package?
712	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
713		1097
714	my $registry = $obj->registry;	1098	my $registry = $obj->registry;
715		1099
716	@$registry = ();	1100	@$registry = ();
717		1101
…		…
732	cf::attachable->attach (	1116	cf::attachable->attach (
733	prio => -1000000,	1117	prio => -1000000,
734	on_instantiate => sub {	1118	on_instantiate => sub {
735	my ($obj, $data) = @_;	1119	my ($obj, $data) = @_;
736		1120
737	$data = from_json $data;	1121	$data = decode_json $data;
738		1122
739	for (@$data) {	1123	for (@$data) {
740	my ($name, $args) = @$_;	1124	my ($name, $args) = @$_;
741		1125
742	$obj->attach ($name, %{$args || {} });	1126	$obj->attach ($name, %{$args || {} });
…		…
758	sub object_freezer_save {	1142	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1143	my ($filename, $rdata, $objs) = @_;
760		1144
761	sync_job {	1145	sync_job {
762	if (length $$rdata) {	1146	if (length $$rdata) {
		1147	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1148	warn sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1149	$decname, length $$rdata, scalar @$objs;
765		1150
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1151	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1152	aio_chmod $fh, SAVE_MODE;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1153	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	aio_fsync $fh if $cf::USE_FSYNC;	1154	aio_fsync $fh if $cf::USE_FSYNC;
770	close $fh;	1155	aio_close $fh;
771		1156
772	if (@$objs) {	1157	if (@$objs) {
773	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) {
774	chmod SAVE_MODE, $fh;	1159	aio_chmod $fh, SAVE_MODE;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1160	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1161	aio_write $fh, 0, (length $data), $data, 0;
777	aio_fsync $fh if $cf::USE_FSYNC;	1162	aio_fsync $fh if $cf::USE_FSYNC;
778	close $fh;	1163	aio_close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1164	aio_rename "$filename.pst~", "$filename.pst";
780	}	1165	}
781	} else {	1166	} else {
782	aio_unlink "$filename.pst";	1167	aio_unlink "$filename.pst";
783	}	1168	}
784		1169
785	aio_rename "$filename~", $filename;	1170	aio_rename "$filename~", $filename;
		1171
		1172	$filename =~ s%/[^/]+$%%;
		1173	aio_pathsync $filename if $cf::USE_FSYNC;
786	} else {	1174	} else {
787	warn "FATAL: $filename~: $!\n";	1175	warn "unable to save objects: $filename~: $!\n";
788	}	1176	}
789	} else {	1177	} else {
790	aio_unlink $filename;	1178	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1179	aio_unlink "$filename.pst";
792	}	1180	}
793	}	1181	};
794	}	1182	}
795		1183
796	sub object_freezer_as_string {	1184	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1185	my ($rdata, $objs) = @_;
798		1186
…		…
810	or return;	1198	or return;
811		1199
812	unless (aio_stat "$filename.pst") {	1200	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1201	(aio_load "$filename.pst", $av) >= 0
814	or return;	1202	or return;
		1203
815	$av = eval { (Storable::thaw $av)->{objs} };	1204	my $st = eval { Coro::Storable::thaw $av };
		1205	$av = $st->{objs};
816	}	1206	}
817		1207
		1208	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1209	warn sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1210	$decname, length $data, scalar @{$av || []};
		1211
820	return ($data, $av);	1212	($data, $av)
821	}	1213	}
		1214
		1215	=head2 COMMAND CALLBACKS
		1216
		1217	=over 4
		1218
		1219	=cut
822		1220
823	#############################################################################	1221	#############################################################################
824	# command handling &c	1222	# command handling &c
825		1223
826	=item cf::register_command $name => \&callback($ob,$args);	1224	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1237	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1238	}
841		1239
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1240	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1241
844	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.
845		1247
846	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
847	called.	1249	called.
848		1250
		1251	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1252
		1253	Register a callback for execution when the client sends an (asynchronous)
		1254	exticmd packet. Exti commands are processed by the server as soon as they
		1255	are received, i.e. out of order w.r.t. other commands. The first argument
		1256	is a client socket. Exti commands can be received anytime, even before
		1257	log-in.
		1258
		1259	If the callback returns something, it is sent back as if reply was being
		1260	called.
		1261
849	=cut	1262	=cut
850		1263
851	sub register_extcmd {	1264	sub register_extcmd {
852	my ($name, $cb) = @_;	1265	my ($name, $cb) = @_;
853		1266
854	$EXTCMD{$name} = $cb;	1267	$EXTCMD{$name} = $cb;
855	}	1268	}
		1269
		1270	sub register_exticmd {
		1271	my ($name, $cb) = @_;
		1272
		1273	$EXTICMD{$name} = $cb;
		1274	}
		1275
		1276	use File::Glob ();
856		1277
857	cf::player->attach (	1278	cf::player->attach (
858	on_command => sub {	1279	on_command => sub {
859	my ($pl, $name, $params) = @_;	1280	my ($pl, $name, $params) = @_;
860		1281
…		…
868	cf::override;	1289	cf::override;
869	},	1290	},
870	on_extcmd => sub {	1291	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1292	my ($pl, $buf) = @_;
872		1293
873	my $msg = eval { from_json $buf };	1294	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1295
875	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
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1304	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1305	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1306	}
		1307
		1308	$pl->ext_reply ($reply, @reply)
		1309	if $reply;
		1310
881	} else {	1311	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1312	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1313	}
884		1314
885	cf::override;	1315	cf::override;
886	},	1316	},
887	);	1317	);
888		1318
		1319	# "readahead" all extensions
889	sub load_extension {	1320	sub cache_extensions {
890	my ($path) = @_;	1321	my $grp = IO::AIO::aio_group;
891		1322
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1323	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
893	my $base = $1;	1324	for (grep /\.ext$/, @{$_[0]}) {
894	my $pkg = $1;	1325	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}	1326	}
917	die $@;
918	}	1327	};
919		1328
920	push @EXTS, $pkg;	1329	$grp
921	}	1330	}
922		1331
923	sub load_extensions {	1332	sub load_extensions {
		1333	cf::sync_job {
		1334	my %todo;
		1335
924	for my $ext (<$LIBDIR/*.ext>) {	1336	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1337	next unless -r $path;
926	eval {	1338
927	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	$progress = 1;
928	1	1395	}
929	} or warn "$ext not loaded: $@";	1396
		1397	skip:
		1398	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1399	unless $progress;
		1400	}
930	}	1401	};
931	}	1402	}
932		1403
933	#############################################################################	1404	#############################################################################
934		1405
		1406	=back
		1407
935	=head2 CORE EXTENSIONS	1408	=head2 CORE EXTENSIONS
936		1409
937	Functions and methods that extend core crossfire objects.	1410	Functions and methods that extend core deliantra objects.
938		1411
939	=cut	1412	=cut
940		1413
941	package cf::player;	1414	package cf::player;
942		1415
…		…
944		1417
945	=head3 cf::player	1418	=head3 cf::player
946		1419
947	=over 4	1420	=over 4
948		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
949	=item cf::player::find $login	1436	=item cf::player::find $login
950		1437
951	Returns the given player object, loading it if necessary (might block).	1438	Returns the given player object, loading it if necessary (might block).
952		1439
953	=cut	1440	=cut
954		1441
955	sub playerdir($) {	1442	sub playerdir($) {
956	cf::localdir	1443	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1444	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1445	}
962		1446
963	sub path($) {	1447	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1448	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
974		1458
975	sub exists($) {	1459	sub exists($) {
976	my ($login) = @_;	1460	my ($login) = @_;
977		1461
978	$cf::PLAYER{$login}	1462	$cf::PLAYER{$login}
979	or cf::sync_job { !aio_stat path $login }	1463	or !aio_stat path $login
980	}	1464	}
981		1465
982	sub find($) {	1466	sub find($) {
983	return $cf::PLAYER{$_[0]} || do {	1467	return $cf::PLAYER{$_[0]} || do {
984	my $login = $_[0];	1468	my $login = $_[0];
…		…
991	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1475	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
992	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1476	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
993	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1477	aio_unlink +(playerdir $login) . "/$login.pl.pst";
994	aio_unlink +(playerdir $login) . "/$login.pl";	1478	aio_unlink +(playerdir $login) . "/$login.pl";
995		1479
996	my $pl = load_pl path $login	1480	my $f = new_from_file cf::object::thawer path $login
997	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;
998	$cf::PLAYER{$login} = $pl	1488	$cf::PLAYER{$login} = $pl
999	}	1489	}
1000	}	1490	}
1001	}	1491	}
1002		1492
…		…
1011	return if $pl->{deny_save};	1501	return if $pl->{deny_save};
1012		1502
1013	aio_mkdir playerdir $pl, 0770;	1503	aio_mkdir playerdir $pl, 0770;
1014	$pl->{last_save} = $cf::RUNTIME;	1504	$pl->{last_save} = $cf::RUNTIME;
1015		1505
		1506	cf::get_slot 0.01;
		1507
1016	$pl->save_pl ($path);	1508	$pl->save_pl ($path);
1017	Coro::cede;	1509	cf::cede_to_tick;
1018	}	1510	}
1019		1511
1020	sub new($) {	1512	sub new($) {
1021	my ($login) = @_;	1513	my ($login) = @_;
1022		1514
…		…
1028	$cf::PLAYER{$login} = $self;	1520	$cf::PLAYER{$login} = $self;
1029		1521
1030	$self	1522	$self
1031	}	1523	}
1032		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
1033	=item $pl->quit_character	1535	=item $pl->quit_character
1034		1536
1035	Nukes the player without looking back. If logged in, the connection will	1537	Nukes the player without looking back. If logged in, the connection will
1036	be destroyed. May block for a long time.	1538	be destroyed. May block for a long time.
1037		1539
…		…
1041	my ($pl) = @_;	1543	my ($pl) = @_;
1042		1544
1043	my $name = $pl->ob->name;	1545	my $name = $pl->ob->name;
1044		1546
1045	$pl->{deny_save} = 1;	1547	$pl->{deny_save} = 1;
1046	$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
1047		1549
1048	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1550	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1049	$pl->deactivate;	1551	$pl->deactivate;
		1552	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1553	$pl->ob->check_score;
1050	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1554	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1051	$pl->ns->destroy if $pl->ns;	1555	$pl->ns->destroy if $pl->ns;
1052		1556
1053	my $path = playerdir $pl;	1557	my $path = playerdir $pl;
1054	my $temp = "$path~$cf::RUNTIME~deleting~";	1558	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1084	while and may block, so not sync_job-capable, ever.	1588	while and may block, so not sync_job-capable, ever.
1085		1589
1086	=cut	1590	=cut
1087		1591
1088	sub list_logins {	1592	sub list_logins {
1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1593	my $dirs = aio_readdir $PLAYERDIR
1090	or return [];	1594	or return [];
1091		1595
1092	my @logins;	1596	my @logins;
1093		1597
1094	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") {
1095	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1604	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1096	aio_read $fh, 0, 512, my $buf, 0 or next;	1605	aio_read $fh, 0, 512, my $buf, 0 or next;
1097	$buf !~ /^password -------------$/m or next; # official not-valid tag	1606	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1607	}
1098		1608
1099	utf8::decode $login;	1609	utf8::decode $login;
1100	push @logins, $login;	1610	push @logins, $login;
1101	}	1611	}
1102		1612
…		…
1129	}	1639	}
1130		1640
1131	\@paths	1641	\@paths
1132	}	1642	}
1133		1643
		1644	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1645
		1646	Expand deliantra pod fragments into protocol xml.
		1647
1134	=item $player->ext_reply ($msgid, %msg)	1648	=item $player->ext_reply ($msgid, @msg)
1135		1649
1136	Sends an ext reply to the player.	1650	Sends an ext reply to the player.
1137		1651
1138	=cut	1652	=cut
1139		1653
1140	sub ext_reply($$%) {	1654	sub ext_reply($$@) {
1141	my ($self, $id, %msg) = @_;	1655	my ($self, $id, @msg) = @_;
1142		1656
1143	$msg{msgid} = $id;	1657	$self->ns->ext_reply ($id, @msg)
1144
1145	$self->send ("ext " . cf::to_json \%msg);
1146	}	1658	}
1147		1659
1148	=item $player->ext_event ($type, %msg)	1660	=item $player->ext_msg ($type, @msg)
1149		1661
1150	Sends an ext event to the client.	1662	Sends an ext event to the client.
1151		1663
1152	=cut	1664	=cut
1153		1665
1154	sub ext_event($$%) {	1666	sub ext_msg($$@) {
1155	my ($self, $type, %msg) = @_;	1667	my ($self, $type, @msg) = @_;
1156		1668
1157	$self->ns->ext_event ($type, %msg);	1669	$self->ns->ext_msg ($type, @msg);
1158	}	1670	}
1159		1671
1160	=head3 cf::region	1672	=head3 cf::region
1161		1673
1162	=over 4	1674	=over 4
…		…
1165		1677
1166	package cf::region;	1678	package cf::region;
1167		1679
1168	=item cf::region::find_by_path $path	1680	=item cf::region::find_by_path $path
1169		1681
1170	Tries to decuce the probable region for a map knowing only its path.	1682	Tries to decuce the likely region for a map knowing only its path.
1171		1683
1172	=cut	1684	=cut
1173		1685
1174	sub find_by_path($) {	1686	sub find_by_path($) {
1175	my ($path) = @_;	1687	my ($path) = @_;
1176		1688
1177	my ($match, $specificity);	1689	my ($match, $specificity);
1178		1690
1179	for my $region (list) {	1691	for my $region (list) {
1180	if ($region->match && $path =~ $region->match) {	1692	if ($region->{match} && $path =~ $region->{match}) {
1181	($match, $specificity) = ($region, $region->specificity)	1693	($match, $specificity) = ($region, $region->specificity)
1182	if $region->specificity > $specificity;	1694	if $region->specificity > $specificity;
1183	}	1695	}
1184	}	1696	}
1185		1697
…		…
1206	our $MAX_RESET = 3600;	1718	our $MAX_RESET = 3600;
1207	our $DEFAULT_RESET = 3000;	1719	our $DEFAULT_RESET = 3000;
1208		1720
1209	sub generate_random_map {	1721	sub generate_random_map {
1210	my ($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
1211	# mit "rum" bekleckern, nicht	1726	# mit "rum" bekleckern, nicht
1212	$self->_create_random_map (	1727	$self->_create_random_map (
1213	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1728	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1214	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1729	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1215	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1730	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1249	my ($self, $merge) = @_;	1764	my ($self, $merge) = @_;
1250		1765
1251	# we have to keep some variables in memory intact	1766	# we have to keep some variables in memory intact
1252	local $self->{path};	1767	local $self->{path};
1253	local $self->{load_path};	1768	local $self->{load_path};
1254	local $self->{deny_save};
1255	local $self->{deny_reset};
1256		1769
1257	$self->SUPER::thawer_merge ($merge);	1770	$self->SUPER::thawer_merge ($merge);
1258	}	1771	}
1259		1772
1260	sub normalise {	1773	sub normalise {
…		…
1307	$self->init; # pass $1 etc.	1820	$self->init; # pass $1 etc.
1308	return $self;	1821	return $self;
1309	}	1822	}
1310	}	1823	}
1311		1824
1312	Carp::carp "unable to resolve path '$path' (base '$base').";	1825	Carp::cluck "unable to resolve path '$path' (base '$base').";
1313	()	1826	()
1314	}	1827	}
1315		1828
1316	sub init {	1829	sub init {
1317	my ($self) = @_;	1830	my ($self) = @_;
…		…
1332		1845
1333	# the original (read-only) location	1846	# the original (read-only) location
1334	sub load_path {	1847	sub load_path {
1335	my ($self) = @_;	1848	my ($self) = @_;
1336		1849
1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1850	"$MAPDIR/$self->{path}.map"
1338	}	1851	}
1339		1852
1340	# the temporary/swap location	1853	# the temporary/swap location
1341	sub save_path {	1854	sub save_path {
1342	my ($self) = @_;	1855	my ($self) = @_;
1343		1856
1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1857	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1858	"$TMPDIR/$path.map"
1346	}	1859	}
1347		1860
1348	# the unique path, undef == no special unique path	1861	# the unique path, undef == no special unique path
1349	sub uniq_path {	1862	sub uniq_path {
1350	my ($self) = @_;	1863	my ($self) = @_;
1351		1864
1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1865	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1866	"$UNIQUEDIR/$path"
1354	}	1867	}
1355		1868
1356	# and all this just because we cannot iterate over	1869	sub decay_objects {
1357	# all maps in C++...
1358	sub change_all_map_light {
1359	my ($change) = @_;	1870	my ($self) = @_;
1360		1871
1361	$_->change_map_light ($change)	1872	return if $self->{deny_reset};
1362	for grep $_->outdoor, values %cf::MAP;	1873
		1874	$self->do_decay_objects;
1363	}	1875	}
1364		1876
1365	sub unlink_save {	1877	sub unlink_save {
1366	my ($self) = @_;	1878	my ($self) = @_;
1367		1879
…		…
1372		1884
1373	sub load_header_from($) {	1885	sub load_header_from($) {
1374	my ($self, $path) = @_;	1886	my ($self, $path) = @_;
1375		1887
1376	utf8::encode $path;	1888	utf8::encode $path;
1377	#aio_open $path, O_RDONLY, 0	1889	my $f = new_from_file cf::object::thawer $path
1378	# or return;
1379
1380	$self->_load_header ($path)
1381	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;
1382		1897
1383	$self->{load_path} = $path;	1898	$self->{load_path} = $path;
1384		1899
1385	1	1900	1
1386	}	1901	}
…		…
1425	$self->load_header_orig	1940	$self->load_header_orig
1426	or return;	1941	or return;
1427	$self->prepare_orig;	1942	$self->prepare_orig;
1428	}	1943	}
1429		1944
		1945	$self->{deny_reset} = 1
		1946	if $self->no_reset;
		1947
1430	$self->default_region (cf::region::find_by_path $self->{path})	1948	$self->default_region (cf::region::find_by_path $self->{path})
1431	unless $self->default_region;	1949	unless $self->default_region;
1432		1950
1433	1	1951	1
1434	}	1952	}
…		…
1437	sub find {	1955	sub find {
1438	my ($path, $origin) = @_;	1956	my ($path, $origin) = @_;
1439		1957
1440	$path = normalise $path, $origin && $origin->path;	1958	$path = normalise $path, $origin && $origin->path;
1441		1959
		1960	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1442	cf::lock_wait "map_find:$path";	1961	my $guard2 = cf::lock_acquire "map_find:$path";
1443		1962
1444	$cf::MAP{$path} || do {	1963	$cf::MAP{$path} || do {
1445	my $guard = cf::lock_acquire "map_find:$path";
1446	my $map = new_from_path cf::map $path	1964	my $map = new_from_path cf::map $path
1447	or return;	1965	or return;
1448		1966
1449	$map->{last_save} = $cf::RUNTIME;	1967	$map->{last_save} = $cf::RUNTIME;
1450		1968
1451	$map->load_header	1969	$map->load_header
1452	or return;	1970	or return;
1453		1971
1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1972	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455	# doing this can freeze the server in a sync job, obviously	1973	# doing this can freeze the server in a sync job, obviously
1456	#$cf::WAIT_FOR_TICK->wait;	1974	#$cf::WAIT_FOR_TICK->wait;
		1975	undef $guard2;
		1976	undef $guard1;
1457	$map->reset;	1977	$map->reset;
1458	undef $guard;
1459	return find $path;	1978	return find $path;
1460	}	1979	}
1461		1980
1462	$cf::MAP{$path} = $map	1981	$cf::MAP{$path} = $map
1463	}	1982	}
…		…
1470	my ($self) = @_;	1989	my ($self) = @_;
1471		1990
1472	local $self->{deny_reset} = 1; # loading can take a long time	1991	local $self->{deny_reset} = 1; # loading can take a long time
1473		1992
1474	my $path = $self->{path};	1993	my $path = $self->{path};
		1994
		1995	{
1475	my $guard = cf::lock_acquire "map_load:$path";	1996	my $guard = cf::lock_acquire "map_data:$path";
1476		1997
		1998	return unless $self->valid;
1477	return if $self->in_memory != cf::MAP_SWAPPED;	1999	return unless $self->in_memory == cf::MAP_SWAPPED;
1478		2000
1479	$self->in_memory (cf::MAP_LOADING);	2001	$self->in_memory (cf::MAP_LOADING);
1480		2002
1481	$self->alloc;	2003	$self->alloc;
1482		2004
1483	$self->pre_load;	2005	$self->pre_load;
1484	Coro::cede;	2006	cf::cede_to_tick;
1485		2007
1486	$self->_load_objects ($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)
1487	or return;	2011	or return;
1488		2012
1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2013	$self->post_load_original
1490	if delete $self->{load_original};	2014	if delete $self->{load_original};
1491		2015
1492	if (my $uniq = $self->uniq_path) {	2016	if (my $uniq = $self->uniq_path) {
1493	utf8::encode $uniq;	2017	utf8::encode $uniq;
1494	if (aio_open $uniq, O_RDONLY, 0) {	2018	unless (aio_stat $uniq) {
		2019	if (my $f = new_from_file cf::object::thawer $uniq) {
1495	$self->clear_unique_items;	2020	$self->clear_unique_items;
1496	$self->_load_objects ($uniq, 0);	2021	$self->_load_objects ($f);
		2022	$f->resolve_delayed_derefs;
		2023	}
1497	}	2024	}
1498	}	2025	}
1499		2026
1500	Coro::cede;	2027	$f->resolve_delayed_derefs;
		2028
		2029	cf::cede_to_tick;
1501	# now do the right thing for maps	2030	# now do the right thing for maps
1502	$self->link_multipart_objects;	2031	$self->link_multipart_objects;
1503	Coro::cede;
1504
1505	unless ($self->{deny_activate}) {
1506	$self->decay_objects;
1507	$self->fix_auto_apply;
1508	$self->update_buttons;
1509	Coro::cede;
1510	$self->set_darkness_map;
1511	$self->difficulty ($self->estimate_difficulty)	2032	$self->difficulty ($self->estimate_difficulty)
1512	unless $self->difficulty;	2033	unless $self->difficulty;
1513	Coro::cede;	2034	cf::cede_to_tick;
		2035
		2036	unless ($self->{deny_activate}) {
		2037	$self->decay_objects;
		2038	$self->fix_auto_apply;
		2039	$self->update_buttons;
		2040	cf::cede_to_tick;
1514	$self->activate;	2041	$self->activate;
1515	Coro::cede;	2042	}
		2043
		2044	$self->{last_save} = $cf::RUNTIME;
		2045	$self->last_access ($cf::RUNTIME);
		2046
		2047	$self->in_memory (cf::MAP_ACTIVE);
1516	}	2048	}
1517		2049
1518	$self->post_load;	2050	$self->post_load;
1519	Coro::cede;
1520
1521	$self->in_memory (cf::MAP_IN_MEMORY);
1522	}	2051	}
1523		2052
1524	sub customise_for {	2053	sub customise_for {
1525	my ($self, $ob) = @_;	2054	my ($self, $ob) = @_;
1526		2055
1527	return find "~" . $ob->name . "/" . $self->{path}	2056	return find "~" . $ob->name . "/" . $self->{path}
1528	if $self->per_player;	2057	if $self->per_player;
1529		2058
		2059	# return find "?party/" . $ob->name . "/" . $self->{path}
		2060	# if $self->per_party;
		2061
1530	$self	2062	$self
1531	}	2063	}
1532		2064
1533	# find and load all maps in the 3x3 area around a map	2065	# find and load all maps in the 3x3 area around a map
1534	sub load_diag {	2066	sub load_neighbours {
1535	my ($map) = @_;	2067	my ($map) = @_;
1536		2068
1537	my @diag; # diagonal neighbours	2069	my @neigh; # diagonal neighbours
1538		2070
1539	for (0 .. 3) {	2071	for (0 .. 3) {
1540	my $neigh = $map->tile_path ($_)	2072	my $neigh = $map->tile_path ($_)
1541	or next;	2073	or next;
1542	$neigh = find $neigh, $map	2074	$neigh = find $neigh, $map
1543	or next;	2075	or next;
1544	$neigh->load;	2076	$neigh->load;
1545		2077
		2078	push @neigh,
1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2079	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2080	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1548	}	2081	}
1549		2082
1550	for (@diag) {	2083	for (grep defined $_->[0], @neigh) {
		2084	my ($path, $origin) = @$_;
1551	my $neigh = find @$_	2085	my $neigh = find $path, $origin
1552	or next;	2086	or next;
1553	$neigh->load;	2087	$neigh->load;
1554	}	2088	}
1555	}	2089	}
1556		2090
…		…
1561	}	2095	}
1562		2096
1563	sub do_load_sync {	2097	sub do_load_sync {
1564	my ($map) = @_;	2098	my ($map) = @_;
1565		2099
		2100	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2101	if $Coro::current == $Coro::main;
		2102
1566	cf::sync_job { $map->load };	2103	cf::sync_job { $map->load };
1567	}	2104	}
1568		2105
1569	our %MAP_PREFETCH;	2106	our %MAP_PREFETCH;
1570	our $MAP_PREFETCHER = undef;	2107	our $MAP_PREFETCHER = undef;
1571		2108
1572	sub find_async {	2109	sub find_async {
1573	my ($path, $origin) = @_;	2110	my ($path, $origin, $load) = @_;
1574		2111
1575	$path = normalise $path, $origin && $origin->{path};	2112	$path = normalise $path, $origin && $origin->{path};
1576		2113
1577	if (my $map = $cf::MAP{$path}) {	2114	if (my $map = $cf::MAP{$path}) {
1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2115	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1579	}	2116	}
1580		2117
1581	undef $MAP_PREFETCH{$path};	2118	$MAP_PREFETCH{$path} |= $load;
		2119
1582	$MAP_PREFETCHER ||= cf::async {	2120	$MAP_PREFETCHER ||= cf::async {
		2121	$Coro::current->{desc} = "map prefetcher";
		2122
1583	while (%MAP_PREFETCH) {	2123	while (%MAP_PREFETCH) {
1584	for my $path (keys %MAP_PREFETCH) {	2124	while (my ($k, $v) = each %MAP_PREFETCH) {
1585	my $map = find $path	2125	if (my $map = find $k) {
1586	or next;
1587	$map->load;	2126	$map->load if $v;
		2127	}
1588		2128
1589	delete $MAP_PREFETCH{$path};	2129	delete $MAP_PREFETCH{$k};
1590	}	2130	}
1591	}	2131	}
1592	undef $MAP_PREFETCHER;	2132	undef $MAP_PREFETCHER;
1593	};	2133	};
1594	$MAP_PREFETCHER->prio (6);	2134	$MAP_PREFETCHER->prio (6);
…		…
1597	}	2137	}
1598		2138
1599	sub save {	2139	sub save {
1600	my ($self) = @_;	2140	my ($self) = @_;
1601		2141
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;	2142	my $lock = cf::lock_acquire "map_data:$self->{path}";
1603		2143
1604	$self->{last_save} = $cf::RUNTIME;	2144	$self->{last_save} = $cf::RUNTIME;
1605		2145
1606	return unless $self->dirty;	2146	return unless $self->dirty;
1607		2147
…		…
1613	return if $self->{deny_save};	2153	return if $self->{deny_save};
1614		2154
1615	local $self->{last_access} = $self->last_access;#d#	2155	local $self->{last_access} = $self->last_access;#d#
1616		2156
1617	cf::async {	2157	cf::async {
		2158	$Coro::current->{desc} = "map player save";
1618	$_->contr->save for $self->players;	2159	$_->contr->save for $self->players;
1619	};	2160	};
		2161
		2162	cf::get_slot 0.02;
1620		2163
1621	if ($uniq) {	2164	if ($uniq) {
1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2165	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1623	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2166	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1624	} else {	2167	} else {
…		…
1630	my ($self) = @_;	2173	my ($self) = @_;
1631		2174
1632	# save first because save cedes	2175	# save first because save cedes
1633	$self->save;	2176	$self->save;
1634		2177
1635	my $lock = cf::lock_acquire "map_data:" . $self->path;	2178	my $lock = cf::lock_acquire "map_data:$self->{path}";
1636		2179
1637	return if $self->players;	2180	return if $self->players;
1638	return if $self->in_memory != cf::MAP_IN_MEMORY;	2181	return if $self->in_memory != cf::MAP_ACTIVE;
1639	return if $self->{deny_save};	2182	return if $self->{deny_save};
1640		2183
		2184	$self->in_memory (cf::MAP_SWAPPED);
		2185
		2186	$self->deactivate;
		2187	$_->clear_links_to ($self) for values %cf::MAP;
1641	$self->clear;	2188	$self->clear;
1642	$self->in_memory (cf::MAP_SWAPPED);
1643	}	2189	}
1644		2190
1645	sub reset_at {	2191	sub reset_at {
1646	my ($self) = @_;	2192	my ($self) = @_;
1647		2193
1648	# TODO: safety, remove and allow resettable per-player maps	2194	# TODO: safety, remove and allow resettable per-player maps
1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
1650	return 1e99 if $self->{deny_reset};	2195	return 1e99 if $self->{deny_reset};
1651		2196
1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2197	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2198	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654		2199
…		…
1665	my ($self) = @_;	2210	my ($self) = @_;
1666		2211
1667	my $lock = cf::lock_acquire "map_data:$self->{path}";	2212	my $lock = cf::lock_acquire "map_data:$self->{path}";
1668		2213
1669	return if $self->players;	2214	return if $self->players;
1670	return if $self->isa ("ext::map_per_player");#d#
1671		2215
1672	warn "resetting map ", $self->path;#d#	2216	warn "resetting map ", $self->path;
1673		2217
1674	$self->in_memory (cf::MAP_SWAPPED);	2218	$self->in_memory (cf::MAP_SWAPPED);
1675		2219
1676	# need to save uniques path	2220	# need to save uniques path
1677	unless ($self->{deny_save}) {	2221	unless ($self->{deny_save}) {
…		…
1681	if $uniq;	2225	if $uniq;
1682	}	2226	}
1683		2227
1684	delete $cf::MAP{$self->path};	2228	delete $cf::MAP{$self->path};
1685		2229
		2230	$self->deactivate;
		2231	$_->clear_links_to ($self) for values %cf::MAP;
1686	$self->clear;	2232	$self->clear;
1687
1688	$_->clear_links_to ($self) for values %cf::MAP;
1689		2233
1690	$self->unlink_save;	2234	$self->unlink_save;
1691	$self->destroy;	2235	$self->destroy;
1692	}	2236	}
1693		2237
1694	my $nuke_counter = "aaaa";	2238	my $nuke_counter = "aaaa";
1695		2239
1696	sub nuke {	2240	sub nuke {
1697	my ($self) = @_;	2241	my ($self) = @_;
1698		2242
		2243	{
		2244	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2245
1699	delete $cf::MAP{$self->path};	2246	delete $cf::MAP{$self->path};
1700		2247
1701	$self->unlink_save;	2248	$self->unlink_save;
1702		2249
1703	bless $self, "cf::map";	2250	bless $self, "cf::map";
1704	delete $self->{deny_reset};	2251	delete $self->{deny_reset};
1705	$self->{deny_save} = 1;	2252	$self->{deny_save} = 1;
1706	$self->reset_timeout (1);	2253	$self->reset_timeout (1);
1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2254	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708		2255
1709	$cf::MAP{$self->path} = $self;	2256	$cf::MAP{$self->path} = $self;
		2257	}
1710		2258
1711	$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	]
1712	}	2296	}
1713		2297
1714	=item cf::map::unique_maps	2298	=item cf::map::unique_maps
1715		2299
1716	Returns an arrayref of paths of all shared maps that have	2300	Returns an arrayref of paths of all shared maps that have
1717	instantiated unique items. May block.	2301	instantiated unique items. May block.
1718		2302
1719	=cut	2303	=cut
1720		2304
1721	sub unique_maps() {	2305	sub unique_maps() {
1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2306	[
1723	or return;	2307	map {
1724
1725	my @paths;
1726
1727	for (@$files) {
1728	utf8::decode $_;	2308	utf8::decode $_;
1729	next if /\.pst$/;	2309	s/\.map$//; # TODO future compatibility hack
1730	next unless /^$PATH_SEP/o;	2310	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1731		2311	? ()
1732	push @paths, cf::map::normalise $_;	2312	: normalise $_
		2313	} @{ aio_readdir $UNIQUEDIR or [] }
1733	}	2314	]
1734
1735	\@paths
1736	}	2315	}
1737
1738	package cf;
1739		2316
1740	=back	2317	=back
1741		2318
1742	=head3 cf::object	2319	=head3 cf::object
1743		2320
…		…
1747		2324
1748	=over 4	2325	=over 4
1749		2326
1750	=item $ob->inv_recursive	2327	=item $ob->inv_recursive
1751		2328
1752	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.
1753		2331
1754	=cut	2332	=cut
1755		2333
1756	sub inv_recursive_;	2334	sub inv_recursive_;
1757	sub inv_recursive_ {	2335	sub inv_recursive_ {
…		…
1760		2338
1761	sub inv_recursive {	2339	sub inv_recursive {
1762	inv_recursive_ inv $_[0]	2340	inv_recursive_ inv $_[0]
1763	}	2341	}
1764		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
1765	package cf;	2371	package cf;
1766		2372
1767	=back	2373	=back
1768		2374
1769	=head3 cf::object::player	2375	=head3 cf::object::player
…		…
1775	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>
1776	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
1777	dialogue with the given NPC character.	2383	dialogue with the given NPC character.
1778		2384
1779	=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	};
1780		2400
1781	# rough implementation of a future "reply" method that works	2401	# rough implementation of a future "reply" method that works
1782	# with dialog boxes.	2402	# with dialog boxes.
1783	#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
1784	sub cf::object::player::reply($$$;$) {	2404	sub cf::object::player::reply($$$;$) {
…		…
1786		2406
1787	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2407	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788		2408
1789	if ($self->{record_replies}) {	2409	if ($self->{record_replies}) {
1790	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2410	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2411
1791	} 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 {
1792	$msg = $npc->name . " says: $msg" if $npc;	2420	$msg = $npc->name . " says: $msg" if $npc;
1793	$self->message ($msg, $flags);	2421	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2422	}
1794	}	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 (@_);
1795	}	2434	}
1796		2435
1797	=item $player_object->may ("access")	2436	=item $player_object->may ("access")
1798		2437
1799	Returns wether the given player is authorized to access resource "access"	2438	Returns wether the given player is authorized to access resource "access"
…		…
1812		2451
1813	=item $player_object->enter_link	2452	=item $player_object->enter_link
1814		2453
1815	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}>).
1816		2455
1817	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.
1818	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.
1819		2460
1820	Will never block.	2461	Will never block.
1821		2462
1822	=item $player_object->leave_link ($map, $x, $y)	2463	=item $player_object->leave_link ($map, $x, $y)
1823		2464
…		…
1846	$self->deactivate_recursive;	2487	$self->deactivate_recursive;
1847		2488
1848	return if UNIVERSAL::isa $self->map, "ext::map_link";	2489	return if UNIVERSAL::isa $self->map, "ext::map_link";
1849		2490
1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2491	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851	if $self->map;	2492	if $self->map && $self->map->{path} ne "{link}";
1852		2493
1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2494	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1854	}	2495	}
1855		2496
1856	sub cf::object::player::leave_link {	2497	sub cf::object::player::leave_link {
1857	my ($self, $map, $x, $y) = @_;	2498	my ($self, $map, $x, $y) = @_;
		2499
		2500	return unless $self->contr->active;
1858		2501
1859	my $link_pos = delete $self->{_link_pos};	2502	my $link_pos = delete $self->{_link_pos};
1860		2503
1861	unless ($map) {	2504	unless ($map) {
1862	# restore original map position	2505	# restore original map position
…		…
1876	# use -1 or undef as default coordinates, not 0, 0	2519	# use -1 or undef as default coordinates, not 0, 0
1877	($x, $y) = ($map->enter_x, $map->enter_y)	2520	($x, $y) = ($map->enter_x, $map->enter_y)
1878	if $x <=0 && $y <= 0;	2521	if $x <=0 && $y <= 0;
1879		2522
1880	$map->load;	2523	$map->load;
1881	$map->load_diag;	2524	$map->load_neighbours;
1882		2525
1883	return unless $self->contr->active;	2526	return unless $self->contr->active;
		2527	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1884	$self->activate_recursive;	2528	$self->activate_recursive;
1885		2529
1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2530	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887	$self->enter_map ($map, $x, $y);	2531	$self->enter_map ($map, $x, $y);
1888	}	2532	}
1889		2533
1890	cf::player->attach (	2534	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1891	on_logout => sub {
1892	my ($pl) = @_;
1893		2535
1894	# abort map switching before logout	2536	Moves the player to the given map-path and coordinates by first freezing
1895	if ($pl->ob->{_link_pos}) {	2537	her, loading and preparing them map, calling the provided $check callback
1896	cf::sync_job {	2538	that has to return the map if sucecssful, and then unfreezes the player on
1897	$pl->ob->leave_link	2539	the new (success) or old (failed) map position. In either case, $done will
1898	};	2540	be called at the end of this process.
1899	}
1900	},
1901	on_login => sub {
1902	my ($pl) = @_;
1903		2541
1904	# try to abort aborted map switching on player login :)	2542	Note that $check will be called with a potentially non-loaded map, so if
1905	# should happen only on crashes	2543	it needs a loaded map it has to call C<< ->load >>.
1906	if ($pl->ob->{_link_pos}) {
1907	$pl->ob->enter_link;
1908	(async {
1909	$pl->ob->reply (undef,
1910	"There was an internal problem at your last logout, "
1911	. "the server will try to bring you to your intended destination in a second.",
1912	cf::NDI_RED);
1913	# we need this sleep as the login has a concurrent enter_exit running
1914	# and this sleep increases chances of the player not ending up in scorn
1915	Coro::Timer::sleep 1;
1916	$pl->ob->leave_link;
1917	})->prio (2);
1918	}
1919	},
1920	);
1921		2544
1922	=item $player_object->goto ($path, $x, $y)
1923
1924	=cut	2545	=cut
		2546
		2547	our $GOTOGEN;
1925		2548
1926	sub cf::object::player::goto {	2549	sub cf::object::player::goto {
1927	my ($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;
1928		2554
1929	$self->enter_link;	2555	$self->enter_link;
1930		2556
1931	(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
1932	my $map = eval {	2579	my $map = eval {
1933	my $map = cf::map::find $path;	2580	my $map = defined $path ? cf::map::find $path : undef;
		2581
		2582	if ($map) {
1934	$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
1935	$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 $@;
1936	} or	2595	}
1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938		2596
		2597	if ($gen == $self->{_goto_generation}) {
		2598	delete $self->{_goto_generation};
1939	$self->leave_link ($map, $x, $y);	2599	$self->leave_link ($map, $x, $y);
		2600	}
		2601
		2602	$done->() if $done;
1940	})->prio (1);	2603	})->prio (1);
1941	}	2604	}
1942		2605
1943	=item $player_object->enter_exit ($exit_object)	2606	=item $player_object->enter_exit ($exit_object)
1944		2607
…		…
1964	}	2627	}
1965		2628
1966	sub prepare_random_map {	2629	sub prepare_random_map {
1967	my ($exit) = @_;	2630	my ($exit) = @_;
1968		2631
1969	my $guard = cf::lock_acquire "exit_prepare:$exit";
1970
1971	# all this does is basically replace the /! path by	2632	# all this does is basically replace the /! path by
1972	# a new random map path (?random/...) with a seed	2633	# a new random map path (?random/...) with a seed
1973	# that depends on the exit object	2634	# that depends on the exit object
1974		2635
1975	my $rmp = parse_random_map_params $exit->msg;	2636	my $rmp = parse_random_map_params $exit->msg;
…		…
1977	if ($exit->map) {	2638	if ($exit->map) {
1978	$rmp->{region} = $exit->region->name;	2639	$rmp->{region} = $exit->region->name;
1979	$rmp->{origin_map} = $exit->map->path;	2640	$rmp->{origin_map} = $exit->map->path;
1980	$rmp->{origin_x} = $exit->x;	2641	$rmp->{origin_x} = $exit->x;
1981	$rmp->{origin_y} = $exit->y;	2642	$rmp->{origin_y} = $exit->y;
		2643
		2644	$exit->map->touch;
1982	}	2645	}
1983		2646
1984	$rmp->{random_seed} ||= $exit->random_seed;	2647	$rmp->{random_seed} ||= $exit->random_seed;
1985		2648
1986	my $data = cf::to_json $rmp;	2649	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1987	my $md5 = Digest::MD5::md5_hex $data;	2650	my $md5 = Digest::MD5::md5_hex $data;
1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2651	my $meta = "$RANDOMDIR/$md5.meta";
1989		2652
1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2653	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991	aio_write $fh, 0, (length $data), $data, 0;	2654	aio_write $fh, 0, (length $data), $data, 0;
1992	undef $fh;	2655	undef $fh;
1993	aio_rename "$meta~", $meta;	2656	aio_rename "$meta~", $meta;
1994		2657
		2658	my $slaying = "?random/$md5";
		2659
		2660	if ($exit->valid) {
1995	$exit->slaying ("?random/$md5");	2661	$exit->slaying ("?random/$md5");
1996	$exit->msg (undef);	2662	$exit->msg (undef);
		2663	}
1997	}	2664	}
1998	}	2665	}
1999		2666
2000	sub cf::object::player::enter_exit {	2667	sub cf::object::player::enter_exit {
2001	my ($self, $exit) = @_;	2668	my ($self, $exit) = @_;
2002		2669
2003	return unless $self->type == cf::PLAYER;	2670	return unless $self->type == cf::PLAYER;
2004		2671
2005	if ($exit->slaying eq "/!") {
2006	#TODO: this should de-fi-ni-te-ly not be a sync-job
2007	# the problem is that $exit might not survive long enough
2008	# so it needs to be done right now, right here
2009	cf::sync_job { prepare_random_map $exit };
2010	}
2011
2012	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2013	my $hp = $exit->stats->hp;
2014	my $sp = $exit->stats->sp;
2015
2016	$self->enter_link;	2672	$self->enter_link;
2017		2673
2018	(async {	2674	(async {
2019	$self->deactivate_recursive; # just to be sure	2675	$Coro::current->{desc} = "enter_exit";
		2676
2020	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
2021	$self->goto ($slaying, $hp, $sp);	2692	$self->goto ($map, $x, $y);
2022		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
2023	1;	2698	1
2024	}) {	2699	}) {
2025	$self->message ("Something went wrong deep within the crossfire server. "	2700	$self->message ("Something went wrong deep within the deliantra server. "
2026	. "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. "
2027	. "Please report this to the dungeon master!",	2702	. "Please report this to the dungeon master!",
2028	cf::NDI_UNIQUE | cf::NDI_RED);	2703	cf::NDI_UNIQUE | cf::NDI_RED);
2029		2704
2030	warn "ERROR in enter_exit: $@";	2705	warn "ERROR in enter_exit: $@";
…		…
2049		2724
2050	utf8::encode $text;	2725	utf8::encode $text;
2051	$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);
2052	}	2727	}
2053		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
2054	=item $client->ext_event ($type, %msg)	2877	=item $client->ext_msg ($type, @msg)
2055		2878
2056	Sends an exti event to the client.	2879	Sends an ext event to the client.
2057		2880
2058	=cut	2881	=cut
2059		2882
2060	sub cf::client::ext_event($$%) {	2883	sub cf::client::ext_msg($$@) {
2061	my ($self, $type, %msg) = @_;	2884	my ($self, $type, @msg) = @_;
2062		2885
		2886	if ($self->extcmd == 2) {
		2887	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2888	} elsif ($self->extcmd == 1) { # TODO: remove
2063	$msg{msgtype} = "event_$type";	2889	push @msg, msgtype => "event_$type";
2064	$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	}
2065	}	2910	}
2066		2911
2067	=item $success = $client->query ($flags, "text", \&cb)	2912	=item $success = $client->query ($flags, "text", \&cb)
2068		2913
2069	Queues a query to the client, calling the given callback with	2914	Queues a query to the client, calling the given callback with
2070	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>,
2071	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>.
2072		2917
2073	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
2074	reliable at some point in the future.	2919	become reliable at some point in the future.
2075		2920
2076	=cut	2921	=cut
2077		2922
2078	sub cf::client::query {	2923	sub cf::client::query {
2079	my ($self, $flags, $text, $cb) = @_;	2924	my ($self, $flags, $text, $cb) = @_;
…		…
2087	utf8::encode $text;	2932	utf8::encode $text;
2088	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2933	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089		2934
2090	$self->send_packet ($self->{query_queue}[0][0])	2935	$self->send_packet ($self->{query_queue}[0][0])
2091	if @{ $self->{query_queue} } == 1;	2936	if @{ $self->{query_queue} } == 1;
		2937
		2938	1
2092	}	2939	}
2093		2940
2094	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	},
2095	on_reply => sub {	2947	on_reply => sub {
2096	my ($ns, $msg) = @_;	2948	my ($ns, $msg) = @_;
2097		2949
2098	# this weird shuffling is so that direct followup queries	2950	# this weird shuffling is so that direct followup queries
2099	# get handled first	2951	# get handled first
…		…
2111	} else {	2963	} else {
2112	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2964	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113	}	2965	}
2114	}	2966	}
2115	},	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	},
2116	);	2994	);
2117		2995
2118	=item $client->async (\&cb)	2996	=item $client->async (\&cb)
2119		2997
2120	Create a new coroutine, running the specified callback. The coroutine will	2998	Create a new coroutine, running the specified callback. The coroutine will
…		…
2161	our $safe = new Safe "safe";	3039	our $safe = new Safe "safe";
2162	our $safe_hole = new Safe::Hole;	3040	our $safe_hole = new Safe::Hole;
2163		3041
2164	$SIG{FPE} = 'IGNORE';	3042	$SIG{FPE} = 'IGNORE';
2165		3043
2166	$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	));
2167		3049
2168	# here we export the classes and methods available to script code	3050	# here we export the classes and methods available to script code
2169		3051
2170	=pod	3052	=pod
2171		3053
2172	The following functions and methods are available within a safe environment:	3054	The following functions and methods are available within a safe environment:
2173		3055
2174	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
2175	cf::object::player player	3061	cf::object::player
2176	cf::player peaceful	3062	player
2177	cf::map trigger	3063
		3064	cf::player
		3065	peaceful
		3066
		3067	cf::map
		3068	trigger
2178		3069
2179	=cut	3070	=cut
2180		3071
2181	for (	3072	for (
2182	["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)],
2183	["cf::object::player" => qw(player)],	3076	["cf::object::player" => qw(player)],
2184	["cf::player" => qw(peaceful)],	3077	["cf::player" => qw(peaceful send_msg)],
2185	["cf::map" => qw(trigger)],	3078	["cf::map" => qw(trigger)],
2186	) {	3079	) {
2187	no strict 'refs';	3080	no strict 'refs';
2188	my ($pkg, @funs) = @$_;	3081	my ($pkg, @funs) = @$_;
2189	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3082	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2206	my ($code, %vars) = @_;	3099	my ($code, %vars) = @_;
2207		3100
2208	my $qcode = $code;	3101	my $qcode = $code;
2209	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3102	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2210	$qcode =~ s/\n/\\n/g;	3103	$qcode =~ s/\n/\\n/g;
		3104
		3105	%vars = (_dummy => 0) unless %vars;
2211		3106
2212	local $_;	3107	local $_;
2213	local @safe::cf::_safe_eval_args = values %vars;	3108	local @safe::cf::_safe_eval_args = values %vars;
2214		3109
2215	my $eval =	3110	my $eval =
…		…
2258	=back	3153	=back
2259		3154
2260	=cut	3155	=cut
2261		3156
2262	#############################################################################	3157	#############################################################################
2263
2264	=head2 EXTENSION DATABASE SUPPORT
2265
2266	Crossfire maintains a very simple database for extension use. It can
2267	currently store anything that can be serialised using Storable, which
2268	excludes objects.
2269
2270	The parameter C<$family> should best start with the name of the extension
2271	using it, it should be unique.
2272
2273	=over 4
2274
2275	=item $value = cf::db_get $family => $key
2276
2277	Returns a single value from the database.
2278
2279	=item cf::db_put $family => $key => $value
2280
2281	Stores the given C<$value> in the family.
2282
2283	=cut
2284
2285	our $DB;
2286
2287	sub db_init {
2288	unless ($DB) {
2289	$DB = BDB::db_create $DB_ENV;
2290
2291	cf::sync_job {
2292	eval {
2293	$DB->set_flags (BDB::CHKSUM);
2294
2295	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2296	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2297	cf::cleanup "db_open(db): $!" if $!;
2298	};
2299	cf::cleanup "db_open(db): $@" if $@;
2300	};
2301
2302	my $path = cf::localdir . "/database.pst";
2303	if (stat $path) {
2304	cf::sync_job {
2305	my $pst = Storable::retrieve $path;
2306
2307	cf::db_put (board => data => $pst->{board});
2308	cf::db_put (guildrules => data => $pst->{guildrules});
2309	cf::db_put (rent => balance => $pst->{rent}{balance});
2310	BDB::db_env_txn_checkpoint $DB_ENV;
2311
2312	unlink $path;
2313	};
2314	}
2315	}
2316	}
2317
2318	sub db_get($$) {
2319	my $key = "$_[0]/$_[1]";
2320
2321	cf::sync_job {
2322	BDB::db_get $DB, undef, $key, my $data;
2323
2324	$! ? ()
2325	: Compress::LZF::sthaw $data
2326	}
2327	}
2328
2329	sub db_put($$$) {
2330	BDB::dbreq_pri 4;
2331	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2332	}
2333
2334	#############################################################################
2335	# the server's init and main functions	3158	# the server's init and main functions
2336		3159
2337	sub load_facedata {	3160	sub load_facedata($) {
2338	my $path = sprintf "%s/facedata", cf::datadir;	3161	my ($path) = @_;
		3162
		3163	# HACK to clear player env face cache, we need some signal framework
		3164	# for this (global event?)
		3165	%ext::player_env::MUSIC_FACE_CACHE = ();
		3166
		3167	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2339		3168
2340	warn "loading facedata from $path\n";	3169	warn "loading facedata from $path\n";
2341		3170
2342	my $facedata;	3171	my $facedata;
2343	0 < aio_load $path, $facedata	3172	0 < aio_load $path, $facedata
…		…
2346	$facedata = Coro::Storable::thaw $facedata;	3175	$facedata = Coro::Storable::thaw $facedata;
2347		3176
2348	$facedata->{version} == 2	3177	$facedata->{version} == 2
2349	or cf::cleanup "$path: version mismatch, cannot proceed.";	3178	or cf::cleanup "$path: version mismatch, cannot proceed.";
2350		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
2351	{	3187	{
2352	my $faces = $facedata->{faceinfo};	3188	my $faces = $facedata->{faceinfo};
2353		3189
2354	while (my ($face, $info) = each %$faces) {	3190	while (my ($face, $info) = each %$faces) {
2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3191	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3192
2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3193	cf::face::set_visibility $idx, $info->{visibility};
		3194	cf::face::set_magicmap $idx, $info->{magicmap};
2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3195	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3196	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2359	Coro::cede;	3197
		3198	cf::cede_to_tick;
2360	}	3199	}
2361		3200
2362	while (my ($face, $info) = each %$faces) {	3201	while (my ($face, $info) = each %$faces) {
2363	next unless $info->{smooth};	3202	next unless $info->{smooth};
		3203
2364	my $idx = cf::face::find $face	3204	my $idx = cf::face::find $face
2365	or next;	3205	or next;
		3206
2366	if (my $smooth = cf::face::find $info->{smooth}) {	3207	if (my $smooth = cf::face::find $info->{smooth}) {
		3208	cf::face::set_smooth $idx, $smooth;
2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3209	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2368	} else {	3210	} else {
2369	warn "smooth face '$info->{smooth}' not found for face '$face'";	3211	warn "smooth face '$info->{smooth}' not found for face '$face'";
2370	}	3212	}
2371	Coro::cede;	3213
		3214	cf::cede_to_tick;
2372	}	3215	}
2373	}	3216	}
2374		3217
2375	{	3218	{
2376	my $anims = $facedata->{animinfo};	3219	my $anims = $facedata->{animinfo};
2377		3220
2378	while (my ($anim, $info) = each %$anims) {	3221	while (my ($anim, $info) = each %$anims) {
2379	cf::anim::set $anim, $info->{frames}, $info->{facings};	3222	cf::anim::set $anim, $info->{frames}, $info->{facings};
2380	Coro::cede;	3223	cf::cede_to_tick;
2381	}	3224	}
2382		3225
2383	cf::anim::invalidate_all; # d'oh	3226	cf::anim::invalidate_all; # d'oh
2384	}	3227	}
2385		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
2386	1	3264	1
2387	}	3265	}
2388		3266
2389	our $archetypes_loaded;	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});
2390		3270
		3271	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3272	my $sound = $soundconf->{compat}[$_]
		3273	or next;
		3274
		3275	my $face = cf::face::find "sound/$sound->[1]";
		3276	cf::sound::set $sound->[0] => $face;
		3277	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3278	}
		3279
		3280	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3281	my $face = cf::face::find "sound/$v";
		3282	cf::sound::set $k => $face;
		3283	}
		3284	}
		3285	});
		3286
		3287	register_exticmd fx_want => sub {
		3288	my ($ns, $want) = @_;
		3289
		3290	while (my ($k, $v) = each %$want) {
		3291	$ns->fx_want ($k, $v);
		3292	}
		3293	};
		3294
		3295	sub load_resource_file($) {
		3296	my $guard = lock_acquire "load_resource_file";
		3297
		3298	my $status = load_resource_file_ $_[0];
		3299	get_slot 0.1, 100;
		3300	cf::arch::commit_load;
		3301
		3302	$status
		3303	}
		3304
		3305	sub reload_regions {
		3306	# HACK to clear player env face cache, we need some signal framework
		3307	# for this (global event?)
		3308	%ext::player_env::MUSIC_FACE_CACHE = ();
		3309
		3310	load_resource_file "$MAPDIR/regions"
		3311	or die "unable to load regions file\n";
		3312
		3313	for (cf::region::list) {
		3314	$_->{match} = qr/$_->{match}/
		3315	if exists $_->{match};
		3316	}
		3317	}
		3318
		3319	sub reload_facedata {
		3320	load_facedata "$DATADIR/facedata"
		3321	or die "unable to load facedata\n";
		3322	}
		3323
2391	sub load_archetypes {	3324	sub reload_archetypes {
2392	return 1 if $archetypes_loaded++; # current can only load them once	3325	load_resource_file "$DATADIR/archetypes"
2393	load_archetype_file sprintf "%s/archetypes", cf::datadir; # remove when stable	3326	or die "unable to load archetypes\n";
2394	load_archetype_file sprintf "%s/archetypes", cf::datadir
2395	}	3327	}
2396		3328
2397	sub load_treasures {	3329	sub reload_treasures {
2398	load_treasure_file sprintf "%s/treasures", cf::datadir	3330	load_resource_file "$DATADIR/treasures"
		3331	or die "unable to load treasurelists\n";
2399	}	3332	}
2400		3333
2401	sub reload_resources {	3334	sub reload_resources {
2402	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3335	warn "reloading resource files...\n";
2403	or die "unable to load regions file\n";	3336
2404	load_facedata	3337	reload_facedata;
2405	or die "unable to load facedata\n";
2406	load_archetypes	3338	reload_archetypes;
2407	or die "unable to load archetypes\n";	3339	reload_regions;
2408	load_treasures	3340	reload_treasures;
2409	or die "unable to load treasurelists\n";
2410	}
2411		3341
2412	sub init {	3342	warn "finished reloading resource files\n";
2413	reload_resources;
2414	}	3343	}
2415		3344
2416	sub cfg_load {	3345	sub reload_config {
2417	open my $fh, "<:utf8", cf::confdir . "/config"	3346	open my $fh, "<:utf8", "$CONFDIR/config"
2418	or return;	3347	or return;
2419		3348
2420	local $/;	3349	local $/;
2421	*CFG = YAML::Syck::Load <$fh>;	3350	*CFG = YAML::Load <$fh>;
2422		3351
2423	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3352	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2424		3353
2425	$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};
2426	$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};
…		…
2432	};	3361	};
2433	warn $@ if $@;	3362	warn $@ if $@;
2434	}	3363	}
2435	}	3364	}
2436		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
2437	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
2438	# we must not ever block the main coroutine	3400	# we must not ever block the main coroutine
2439	local $Coro::idle = sub {	3401	local $Coro::idle = sub {
2440	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#
2441	(async {	3403	(async {
2442	Event::one_event;	3404	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3405	EV::loop EV::LOOP_ONESHOT;
2443	})->prio (Coro::PRIO_MAX);	3406	})->prio (Coro::PRIO_MAX);
2444	};	3407	};
2445		3408
2446	cfg_load;	3409	evthread_start IO::AIO::poll_fileno;
		3410
		3411	cf::sync_job {
		3412	reload_resources;
		3413	reload_config;
2447	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
2448	load_extensions;	3427	load_extensions;
2449		3428
2450	$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
2451	Event::loop;	3437	EV::loop;
2452	}	3438	}
2453		3439
2454	#############################################################################	3440	#############################################################################
2455	# initialisation and cleanup	3441	# initialisation and cleanup
2456		3442
2457	# install some emergency cleanup handlers	3443	# install some emergency cleanup handlers
2458	BEGIN {	3444	BEGIN {
		3445	our %SIGWATCHER = ();
2459	for my $signal (qw(INT HUP TERM)) {	3446	for my $signal (qw(INT HUP TERM)) {
2460	Event->signal (	3447	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2461	reentrant => 0,
2462	data => WF_AUTOCANCEL,
2463	signal => $signal,
2464	prio => 0,
2465	cb => sub {
2466	cf::cleanup "SIG$signal";	3448	cf::cleanup "SIG$signal";
2467	},
2468	);	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
2469	}	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 };
2470	}	3537	}
2471		3538
2472	sub emergency_save() {	3539	sub emergency_save() {
2473	my $freeze_guard = cf::freeze_mainloop;	3540	my $freeze_guard = cf::freeze_mainloop;
2474		3541
2475	warn "enter emergency perl save\n";	3542	warn "emergency_perl_save: enter\n";
2476		3543
2477	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
2478	# use a peculiar iteration method to avoid tripping on perl	3550	# use a peculiar iteration method to avoid tripping on perl
2479	# refcount bugs in for. also avoids problems with players	3551	# refcount bugs in for. also avoids problems with players
2480	# and maps saved/destroyed asynchronously.	3552	# and maps saved/destroyed asynchronously.
2481	warn "begin emergency player save\n";	3553	warn "emergency_perl_save: begin player save\n";
2482	for my $login (keys %cf::PLAYER) {	3554	for my $login (keys %cf::PLAYER) {
2483	my $pl = $cf::PLAYER{$login} or next;	3555	my $pl = $cf::PLAYER{$login} or next;
2484	$pl->valid or next;	3556	$pl->valid or next;
		3557	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2485	$pl->save;	3558	$pl->save;
2486	}	3559	}
2487	warn "end emergency player save\n";	3560	warn "emergency_perl_save: end player save\n";
2488		3561
2489	warn "begin emergency map save\n";	3562	warn "emergency_perl_save: begin map save\n";
2490	for my $path (keys %cf::MAP) {	3563	for my $path (keys %cf::MAP) {
2491	my $map = $cf::MAP{$path} or next;	3564	my $map = $cf::MAP{$path} or next;
2492	$map->valid or next;	3565	$map->valid or next;
2493	$map->save;	3566	$map->save;
2494	}	3567	}
2495	warn "end emergency map save\n";	3568	warn "emergency_perl_save: end map save\n";
2496		3569
2497	warn "begin emergency database checkpoint\n";	3570	warn "emergency_perl_save: begin database checkpoint\n";
2498	BDB::db_env_txn_checkpoint $DB_ENV;	3571	BDB::db_env_txn_checkpoint $DB_ENV;
2499	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";
2500	};	3577	};
2501		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
2502	warn "leave emergency perl save\n";	3584	warn "emergency_perl_save: leave\n";
2503	}	3585	}
2504		3586
2505	sub post_cleanup {	3587	sub post_cleanup {
2506	my ($make_core) = @_;	3588	my ($make_core) = @_;
2507		3589
2508	warn Carp::longmess "post_cleanup backtrace"	3590	warn Carp::longmess "post_cleanup backtrace"
2509	if $make_core;	3591	if $make_core;
2510	}
2511		3592
		3593	my $fh = pidfile;
		3594	unlink $PIDFILE if <$fh> == $$;
		3595	}
		3596
		3597	# a safer delete_package, copied from Symbol
		3598	sub clear_package($) {
		3599	my $pkg = shift;
		3600
		3601	# expand to full symbol table name if needed
		3602	unless ($pkg =~ /^main::.*::$/) {
		3603	$pkg = "main$pkg" if $pkg =~ /^::/;
		3604	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3605	$pkg .= '::' unless $pkg =~ /::$/;
		3606	}
		3607
		3608	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3609	my $stem_symtab = *{$stem}{HASH};
		3610
		3611	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3612	or return;
		3613
		3614	# clear all symbols
		3615	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3616	for my $name (keys %$leaf_symtab) {
		3617	_gv_clear *{"$pkg$name"};
		3618	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3619	}
		3620	warn "cleared package $pkg\n";#d#
		3621	}
		3622
2512	sub reload() {	3623	sub do_reload_perl() {
2513	# can/must only be called in main	3624	# can/must only be called in main
2514	if ($Coro::current != $Coro::main) {	3625	if ($Coro::current != $Coro::main) {
2515	warn "can only reload from main coroutine";	3626	warn "can only reload from main coroutine";
2516	return;	3627	return;
2517	}	3628	}
2518		3629
		3630	return if $RELOAD++;
		3631
		3632	my $t1 = EV::time;
		3633
		3634	while ($RELOAD) {
2519	warn "reloading...";	3635	warn "reloading...";
2520		3636
2521	warn "entering sync_job";	3637	warn "entering sync_job";
2522		3638
2523	cf::sync_job {	3639	cf::sync_job {
2524	cf::write_runtime; # external watchdog should not bark	3640	cf::write_runtime_sync; # external watchdog should not bark
2525	cf::emergency_save;	3641	cf::emergency_save;
2526	cf::write_runtime; # external watchdog should not bark	3642	cf::write_runtime_sync; # external watchdog should not bark
2527		3643
2528	warn "syncing database to disk";	3644	warn "syncing database to disk";
2529	BDB::db_env_txn_checkpoint $DB_ENV;	3645	BDB::db_env_txn_checkpoint $DB_ENV;
2530		3646
2531	# 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
2532		3648
2533	warn "cancelling all WF_AUTOCANCEL watchers";
2534	for (Event::all_watchers) {
2535	$_->cancel if $_->data & WF_AUTOCANCEL;
2536	}
2537
2538	warn "flushing outstanding aio requests";	3649	warn "flushing outstanding aio requests";
2539	for (;;) {
2540	BDB::flush;
2541	IO::AIO::flush;
2542	Coro::cede;
2543	last unless IO::AIO::nreqs || BDB::nreqs;	3650	while (IO::AIO::nreqs || BDB::nreqs) {
2544	warn "iterate...";	3651	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2545	}
2546
2547	++$RELOAD;
2548
2549	warn "cancelling all extension coros";
2550	$_->cancel for values %EXT_CORO;
2551	%EXT_CORO = ();
2552
2553	warn "removing commands";
2554	%COMMAND = ();
2555
2556	warn "removing ext commands";
2557	%EXTCMD = ();
2558
2559	warn "unloading/nuking all extensions";
2560	for my $pkg (@EXTS) {
2561	warn "... unloading $pkg";
2562
2563	if (my $cb = $pkg->can ("unload")) {
2564	eval {
2565	$cb->($pkg);
2566	1
2567	} or warn "$pkg unloaded, but with errors: $@";
2568	}	3652	}
2569		3653
2570	warn "... nuking $pkg";	3654	warn "cancelling all extension coros";
2571	Symbol::delete_package $pkg;	3655	$_->cancel for values %EXT_CORO;
2572	}	3656	%EXT_CORO = ();
2573		3657
2574	warn "unloading all perl modules loaded from $LIBDIR";	3658	warn "removing commands";
2575	while (my ($k, $v) = each %INC) {	3659	%COMMAND = ();
2576	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2577		3660
		3661	warn "removing ext/exti commands";
		3662	%EXTCMD = ();
		3663	%EXTICMD = ();
		3664
		3665	warn "unloading/nuking all extensions";
		3666	for my $pkg (@EXTS) {
2578	warn "... unloading $k";	3667	warn "... unloading $pkg";
2579	delete $INC{$k};
2580		3668
2581	$k =~ s/\.pm$//;
2582	$k =~ s/\//::/g;
2583
2584	if (my $cb = $k->can ("unload_module")) {	3669	if (my $cb = $pkg->can ("unload")) {
		3670	eval {
2585	$cb->();	3671	$cb->($pkg);
		3672	1
		3673	} or warn "$pkg unloaded, but with errors: $@";
		3674	}
		3675
		3676	warn "... clearing $pkg";
		3677	clear_package $pkg;
2586	}	3678	}
2587		3679
2588	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 $k;
2589	}	3695	}
2590		3696
2591	warn "getting rid of safe::, as good as possible";	3697	warn "getting rid of safe::, as good as possible";
2592	Symbol::delete_package "safe::$_"	3698	clear_package "safe::$_"
2593	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);
2594		3700
2595	warn "unloading cf.pm \"a bit\"";	3701	warn "unloading cf.pm \"a bit\"";
2596	delete $INC{"cf.pm"};	3702	delete $INC{"cf.pm"};
		3703	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2597		3704
2598	# don't, removes xs symbols, too,	3705	# don't, removes xs symbols, too,
2599	# and global variables created in xs	3706	# and global variables created in xs
2600	#Symbol::delete_package __PACKAGE__;	3707	#clear_package __PACKAGE__;
2601		3708
2602	warn "unload completed, starting to reload now";	3709	warn "unload completed, starting to reload now";
2603		3710
2604	warn "reloading cf.pm";	3711	warn "reloading cf.pm";
2605	require cf;	3712	require cf;
2606	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3713	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2607		3714
2608	warn "loading config and database again";	3715	warn "loading config and database again";
2609	cf::cfg_load;	3716	cf::reload_config;
2610		3717
2611	warn "loading extensions";	3718	warn "loading extensions";
2612	cf::load_extensions;	3719	cf::load_extensions;
2613		3720
		3721	if ($REATTACH_ON_RELOAD) {
2614	warn "reattaching attachments to objects/players";	3722	warn "reattaching attachments to objects/players";
2615	_global_reattach; # objects, sockets	3723	_global_reattach; # objects, sockets
2616	warn "reattaching attachments to maps";	3724	warn "reattaching attachments to maps";
2617	reattach $_ for values %MAP;	3725	reattach $_ for values %MAP;
2618	warn "reattaching attachments to players";	3726	warn "reattaching attachments to players";
2619	reattach $_ for values %PLAYER;	3727	reattach $_ for values %PLAYER;
		3728	}
2620		3729
2621	warn "loading reloadable resources";	3730	warn "running post_init jobs";
2622	reload_resources;	3731	(pop @POST_INIT)->(1) while @POST_INIT;
2623		3732
2624	warn "leaving sync_job";	3733	warn "leaving sync_job";
2625		3734
2626	1	3735	1
2627	} or do {	3736	} or do {
2628	warn $@;	3737	warn $@;
2629	warn "error while reloading, exiting.";	3738	cf::cleanup "error while reloading, exiting.";
2630	exit 1;	3739	};
		3740
		3741	warn "reloaded";
		3742	--$RELOAD;
		3743	}
		3744
		3745	$t1 = EV::time - $t1;
		3746	warn "reload completed in ${t1}s\n";
		3747	};
		3748
		3749	our $RELOAD_WATCHER; # used only during reload
		3750
		3751	sub reload_perl() {
		3752	# doing reload synchronously and two reloads happen back-to-back,
		3753	# coro crashes during coro_state_free->destroy here.
		3754
		3755	$RELOAD_WATCHER ||= cf::async {
		3756	Coro::AIO::aio_wait cache_extensions;
		3757
		3758	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3759	do_reload_perl;
		3760	undef $RELOAD_WATCHER;
		3761	};
2631	};	3762	};
2632		3763	}
2633	warn "reloaded";
2634	};
2635
2636	our $RELOAD_WATCHER; # used only during reload
2637		3764
2638	register_command "reload" => sub {	3765	register_command "reload" => sub {
2639	my ($who, $arg) = @_;	3766	my ($who, $arg) = @_;
2640		3767
2641	if ($who->flag (FLAG_WIZ)) {	3768	if ($who->flag (FLAG_WIZ)) {
2642	$who->message ("reloading server.");	3769	$who->message ("reloading server.");
2643		3770	async {
2644	# doing reload synchronously and two reloads happen back-to-back,	3771	$Coro::current->{desc} = "perl_reload";
2645	# coro crashes during coro_state_free->destroy here.
2646
2647	$RELOAD_WATCHER ||= Event->timer (
2648	reentrant => 0,
2649	after => 0,
2650	data => WF_AUTOCANCEL,
2651	cb => sub {
2652	reload;	3772	reload_perl;
2653	undef $RELOAD_WATCHER;
2654	},
2655	);	3773	};
2656	}	3774	}
2657	};	3775	};
2658		3776
2659	unshift @INC, $LIBDIR;	3777	unshift @INC, $LIBDIR;
2660		3778
…		…
2662		3780
2663	our @WAIT_FOR_TICK;	3781	our @WAIT_FOR_TICK;
2664	our @WAIT_FOR_TICK_BEGIN;	3782	our @WAIT_FOR_TICK_BEGIN;
2665		3783
2666	sub wait_for_tick {	3784	sub wait_for_tick {
2667	return unless $TICK_WATCHER->is_active;
2668	return if $Coro::current == $Coro::main;	3785	return if tick_inhibit || $Coro::current == $Coro::main;
2669		3786
2670	my $signal = new Coro::Signal;	3787	my $signal = new Coro::Signal;
2671	push @WAIT_FOR_TICK, $signal;	3788	push @WAIT_FOR_TICK, $signal;
2672	$signal->wait;	3789	$signal->wait;
2673	}	3790	}
2674		3791
2675	sub wait_for_tick_begin {	3792	sub wait_for_tick_begin {
2676	return unless $TICK_WATCHER->is_active;
2677	return if $Coro::current == $Coro::main;	3793	return if tick_inhibit || $Coro::current == $Coro::main;
2678		3794
2679	my $signal = new Coro::Signal;	3795	my $signal = new Coro::Signal;
2680	push @WAIT_FOR_TICK_BEGIN, $signal;	3796	push @WAIT_FOR_TICK_BEGIN, $signal;
2681	$signal->wait;	3797	$signal->wait;
2682	}	3798	}
2683		3799
2684	$TICK_WATCHER = Event->timer (	3800	sub tick {
2685	reentrant => 0,
2686	parked => 1,
2687	prio => 0,
2688	at => $NEXT_TICK || $TICK,
2689	data => WF_AUTOCANCEL,
2690	cb => sub {
2691	if ($Coro::current != $Coro::main) {	3801	if ($Coro::current != $Coro::main) {
2692	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3802	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2693	unless ++$bug_warning > 10;	3803	unless ++$bug_warning > 10;
2694	return;	3804	return;
2695	}	3805	}
2696		3806
2697	$NOW = Event::time;
2698
2699	cf::server_tick; # one server iteration	3807	cf::server_tick; # one server iteration
2700	$RUNTIME += $TICK;
2701	$NEXT_TICK += $TICK;
2702		3808
2703	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3809	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2704	$NEXT_RUNTIME_WRITE = $NOW + 10;	3810	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2705	Coro::async_pool {	3811	Coro::async_pool {
		3812	$Coro::current->{desc} = "runtime saver";
2706	write_runtime	3813	write_runtime_sync
2707	or warn "ERROR: unable to write runtime file: $!";	3814	or warn "ERROR: unable to write runtime file: $!";
2708	};
2709	}	3815	};
		3816	}
2710		3817
2711	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3818	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2712	$sig->send;	3819	$sig->send;
2713	}	3820	}
2714	while (my $sig = shift @WAIT_FOR_TICK) {	3821	while (my $sig = shift @WAIT_FOR_TICK) {
2715	$sig->send;	3822	$sig->send;
2716	}
2717
2718	# my $AFTER = Event::time;
2719	# warn $AFTER - $NOW;#d#
2720
2721	# if we are delayed by four ticks or more, skip them all
2722	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2723
2724	$TICK_WATCHER->at ($NEXT_TICK);
2725	$TICK_WATCHER->start;
2726	},	3823	}
2727	);	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	}
2728		3836
2729	{	3837	{
2730	BDB::max_poll_time $TICK * 0.1;	3838	# configure BDB
2731	$BDB_POLL_WATCHER = Event->io (	3839
2732	reentrant => 0,
2733	fd => BDB::poll_fileno,
2734	poll => 'r',
2735	prio => 0,
2736	data => WF_AUTOCANCEL,
2737	cb => \&BDB::poll_cb,
2738	);
2739	BDB::min_parallel 8;	3840	BDB::min_parallel 8;
2740		3841	BDB::max_poll_reqs $TICK * 0.1;
2741	BDB::set_sync_prepare {	3842	$AnyEvent::BDB::WATCHER->priority (1);
2742	my $status;
2743	my $current = $Coro::current;
2744	(
2745	sub {
2746	$status = $!;
2747	$current->ready; undef $current;
2748	},
2749	sub {
2750	Coro::schedule while defined $current;
2751	$! = $status;
2752	},
2753	)
2754	};
2755		3843
2756	unless ($DB_ENV) {	3844	unless ($DB_ENV) {
2757	$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);
2758		3851
2759	cf::sync_job {	3852	cf::sync_job {
2760	eval {	3853	eval {
2761	BDB::db_env_open	3854	BDB::db_env_open
2762	$DB_ENV,	3855	$DB_ENV,
2763	$BDB_ENV_DIR,	3856	$BDBDIR,
2764	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3857	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2765	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3858	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2766	0666;	3859	0666;
2767		3860
2768	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3861	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2769
2770	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2771	$DB_ENV->set_lk_detect;
2772	};	3862	};
2773		3863
2774	cf::cleanup "db_env_open(db): $@" if $@;	3864	cf::cleanup "db_env_open(db): $@" if $@;
2775	};	3865	};
2776	}	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	};
2777	}	3877	}
2778		3878
2779	{	3879	{
		3880	# configure IO::AIO
		3881
2780	IO::AIO::min_parallel 8;	3882	IO::AIO::min_parallel 8;
2781
2782	undef $Coro::AIO::WATCHER;
2783	IO::AIO::max_poll_time $TICK * 0.1;	3883	IO::AIO::max_poll_time $TICK * 0.1;
2784	$AIO_POLL_WATCHER = Event->io (	3884	undef $AnyEvent::AIO::WATCHER;
2785	reentrant => 0,
2786	data => WF_AUTOCANCEL,
2787	fd => IO::AIO::poll_fileno,
2788	poll => 'r',
2789	prio => 6,
2790	cb => \&IO::AIO::poll_cb,
2791	);
2792	}	3885	}
		3886
		3887	my $_log_backtrace;
		3888
		3889	sub _log_backtrace {
		3890	my ($msg, @addr) = @_;
		3891
		3892	$msg =~ s/\n//;
		3893
		3894	# limit the # of concurrent backtraces
		3895	if ($_log_backtrace < 2) {
		3896	++$_log_backtrace;
		3897	my $perl_bt = Carp::longmess $msg;
		3898	async {
		3899	$Coro::current->{desc} = "abt $msg";
		3900
		3901	my @bt = fork_call {
		3902	@addr = map { sprintf "%x", $_ } @addr;
		3903	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3904	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3905	or die "addr2line: $!";
		3906
		3907	my @funcs;
		3908	my @res = <$fh>;
		3909	chomp for @res;
		3910	while (@res) {
		3911	my ($func, $line) = splice @res, 0, 2, ();
		3912	push @funcs, "[$func] $line";
		3913	}
		3914
		3915	@funcs
		3916	};
		3917
		3918	LOG llevInfo, "[ABT] $perl_bt\n";
		3919	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3920	LOG llevInfo, "[ABT] $_\n" for @bt;
		3921	--$_log_backtrace;
		3922	};
		3923	} else {
		3924	LOG llevInfo, "[ABT] $msg\n";
		3925	LOG llevInfo, "[ABT] [suppressed]\n";
		3926	}
		3927	}
		3928
		3929	# load additional modules
		3930	eval "use cf::$_" for @EXTRA_MODULES;
2793		3931
2794	END { cf::emergency_save }	3932	END { cf::emergency_save }
2795		3933
2796	1	3934	1
2797		3935

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