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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.234 by root, Thu Apr 5 13:44:31 2007 UTC vs.
Revision 1.463 by root, Sun Dec 28 06:59:27 2008 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 "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
9	use Event;	31	use EV;
10	use Opcode;	32	use Opcode;
11	use Safe;	33	use Safe;
12	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
13		36
		37	use Guard ();
14	use Coro 3.52 ();	38	use Coro ();
15	use Coro::State;	39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
16	use Coro::Event;	42	use Coro::AnyEvent;
17	use Coro::Timer;	43	use Coro::Timer;
18	use Coro::Signal;	44	use Coro::Signal;
19	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
20	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
21		52
		53	use JSON::XS 2.01 ();
22	use BDB ();	54	use BDB ();
23	use Data::Dumper;	55	use Data::Dumper;
24	use Digest::MD5;	56	use Digest::MD5;
25	use Fcntl;	57	use Fcntl;
26	use YAML::Syck ();	58	use YAML ();
27	use IO::AIO 2.32 ();	59	use IO::AIO ();
28	use Time::HiRes;	60	use Time::HiRes;
29	use Compress::LZF;	61	use Compress::LZF;
		62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
30		65
31	# configure various modules to our taste	66	# configure various modules to our taste
32	#	67	#
		68	$Storable::canonical = 1; # reduce rsync transfers
33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
35
36	$Event::Eval = 1; # no idea why this is required, but it is
37
38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
39	$YAML::Syck::ImplicitUnicode = 1;
40
41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
42		76
43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
44		78
45	our %COMMAND = ();	79	our %COMMAND = ();
46	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
47		81
48	our @EXTS = (); # list of extension package names	82	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	83	our %EXTCMD = ();
		84	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	85	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	86	our %EXT_MAP = (); # pluggable maps
52		87
53	our $RELOAD; # number of reloads so far	88	our $RELOAD; # number of reloads so far, non-zero while in reload
54	our @EVENT;	89	our @EVENT;
55	our $LIBDIR = datadir . "/ext";
56		90
57	our $TICK = MAX_TIME * 1e-6;	91	our $CONFDIR = confdir;
58	our $TICK_WATCHER;	92	our $DATADIR = datadir;
59	our $AIO_POLL_WATCHER;	93	our $LIBDIR = "$DATADIR/ext";
		94	our $PODDIR = "$DATADIR/pod";
		95	our $MAPDIR = "$DATADIR/" . mapdir;
		96	our $LOCALDIR = localdir;
		97	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		98	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		99	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		100	our $RANDOMDIR = "$LOCALDIR/random";
		101	our $BDBDIR = "$LOCALDIR/db";
		102	our $PIDFILE = "$LOCALDIR/pid";
		103	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		104
		105	our %RESOURCE;
		106
		107	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	108	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	109	our $NEXT_TICK;
62	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off	110	our $USE_FSYNC = 1; # use fsync to write maps - default off
64		111
		112	our $BDB_DEADLOCK_WATCHER;
		113	our $BDB_CHECKPOINT_WATCHER;
65	our $BDB_POLL_WATCHER;	114	our $BDB_TRICKLE_WATCHER;
66	our $DB_ENV;	115	our $DB_ENV;
67		116
68	our %CFG;	117	our %CFG;
69		118
70	our $UPTIME; $UPTIME ||= time;	119	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;	120	our $RUNTIME;
		121	our $NOW;
72		122
73	our %PLAYER; # all users	123	our (%PLAYER, %PLAYER_LOADING); # all users
74	our %MAP; # all maps	124	our (%MAP, %MAP_LOADING ); # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	125	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		126
82	# used to convert map paths into valid unix filenames by replacing / by ∕	127	# used to convert map paths into valid unix filenames by replacing / by ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	128	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		129
		130	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		131	our $LOADAVG; # same thing, but with alpha-smoothing
		132	our $JITTER; # average jitter
		133	our $TICK_START; # for load detecting purposes
		134
		135	our @POST_INIT;
		136
		137	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
		138
85	binmode STDOUT;	139	binmode STDOUT;
86	binmode STDERR;	140	binmode STDERR;
87		141
88	# read virtual server time, if available	142	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	143	unless ($RUNTIME || !-e $RUNTIMEFILE) {
90	open my $fh, "<", cf::localdir . "/runtime"	144	open my $fh, "<", $RUNTIMEFILE
91	or die "unable to read runtime file: $!";	145	or die "unable to read $RUNTIMEFILE file: $!";
92	$RUNTIME = <$fh> + 0.;	146	$RUNTIME = <$fh> + 0.;
93	}	147	}
94		148
95	mkdir cf::localdir;	149	mkdir $_
96	mkdir cf::localdir . "/" . cf::playerdir;	150	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
97	mkdir cf::localdir . "/" . cf::tmpdir;
98	mkdir cf::localdir . "/" . cf::uniquedir;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		151
102	our $EMERGENCY_POSITION;	152	our $EMERGENCY_POSITION;
103		153
104	sub cf::map::normalise;	154	sub cf::map::normalise;
105		155
…		…
116	=item $cf::RUNTIME	166	=item $cf::RUNTIME
117		167
118	The time this server has run, starts at 0 and is increased by $cf::TICK on	168	The time this server has run, starts at 0 and is increased by $cf::TICK on
119	every server tick.	169	every server tick.
120		170
121	=item $cf::LIBDIR	171	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		172	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		173	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
122		174
123	The perl library directory, where extensions and cf-specific modules can	175	Various directories - "/etc", read-only install directory, perl-library
124	be found. It will be added to C<@INC> automatically.	176	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		177	unique-items directory, player file directory, random maps directory and
		178	database environment.
125		179
126	=item $cf::NOW	180	=item $cf::NOW
127		181
128	The time of the last (current) server tick.	182	The time of the last (current) server tick.
129		183
130	=item $cf::TICK	184	=item $cf::TICK
131		185
132	The interval between server ticks, in seconds.	186	The interval between server ticks, in seconds.
133		187
		188	=item $cf::LOADAVG
		189
		190	The current CPU load on the server (alpha-smoothed), as a value between 0
		191	(none) and 1 (overloaded), indicating how much time is spent on processing
		192	objects per tick. Healthy values are < 0.5.
		193
		194	=item $cf::LOAD
		195
		196	The raw value load value from the last tick.
		197
134	=item %cf::CFG	198	=item %cf::CFG
135		199
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	200	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
137	from wherever your confdir points to.	201	from wherever your confdir points to.
138		202
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	203	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		204
141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	205	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	206	returns directly I<after> the tick processing (and consequently, can only wake one process
143	processing has been done. Call C<< ->wait >> on them to maximise the	207	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
144	window of cpu time available, or simply to synchronise to the server tick.	208
		209	=item @cf::INVOKE_RESULTS
		210
		211	This array contains the results of the last C<invoke ()> call. When
		212	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		213	that call.
145		214
146	=back	215	=back
147		216
148	=cut	217	=cut
149		218
150	BEGIN {	219	BEGIN {
151	*CORE::GLOBAL::warn = sub {	220	*CORE::GLOBAL::warn = sub {
152	my $msg = join "", @_;	221	my $msg = join "", @_;
153	utf8::encode $msg;
154		222
155	$msg .= "\n"	223	$msg .= "\n"
156	unless $msg =~ /\n$/;	224	unless $msg =~ /\n$/;
157		225
		226	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		227
158	LOG llevError, $msg;	228	LOG llevError, $msg;
159	};	229	};
160	}	230	}
		231
		232	$Coro::State::DIEHOOK = sub {
		233	return unless $^S eq 0; # "eq", not "=="
		234
		235	if ($Coro::current == $Coro::main) {#d#
		236	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		237	return;#d#
		238	}#d#
		239
		240	# kill coroutine otherwise
		241	warn Carp::longmess $_[0];
		242	Coro::terminate
		243	};
		244
		245	$SIG{__DIE__} = sub { }; #d#?
161		246
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	247	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	248	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	249	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	250	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	251	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		252	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
167	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	253	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
168		254
169	# we bless all objects into (empty) derived classes to force a method lookup	255	# we bless all objects into (empty) derived classes to force a method lookup
170	# within the Safe compartment.	256	# within the Safe compartment.
171	for my $pkg (qw(	257	for my $pkg (qw(
172	cf::global cf::attachable	258	cf::global cf::attachable
173	cf::object cf::object::player	259	cf::object cf::object::player
174	cf::client cf::player	260	cf::client cf::player
175	cf::arch cf::living	261	cf::arch cf::living
		262	cf::map cf::mapspace
176	cf::map cf::party cf::region	263	cf::party cf::region
177	)) {	264	)) {
178	no strict 'refs';
179	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	265	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
180	}	266	}
181		267
182	$Event::DIED = sub {	268	$EV::DIED = sub {
183	warn "error in event callback: @_";	269	warn "error in event callback: @_";
184	};	270	};
		271
		272	#############################################################################
185		273
186	=head2 UTILITY FUNCTIONS	274	=head2 UTILITY FUNCTIONS
187		275
188	=over 4	276	=over 4
189		277
…		…
208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	296	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
209	$d	297	$d
210	} || "[unable to dump $_[0]: '$@']";	298	} || "[unable to dump $_[0]: '$@']";
211	}	299	}
212		300
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	301	=item $ref = cf::decode_json $json
216		302
217	Converts a JSON string into the corresponding perl data structure.	303	Converts a JSON string into the corresponding perl data structure.
218		304
219	=item $json = cf::to_json $ref	305	=item $json = cf::encode_json $ref
220		306
221	Converts a perl data structure into its JSON representation.	307	Converts a perl data structure into its JSON representation.
222		308
		309	=cut
		310
		311	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		312
		313	sub encode_json($) { $json_coder->encode ($_[0]) }
		314	sub decode_json($) { $json_coder->decode ($_[0]) }
		315
		316	=item cf::post_init { BLOCK }
		317
		318	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		319	but I<before> the server starts ticking again.
		320
		321	The cdoeblock will have a single boolean argument to indicate whether this
		322	is a reload or not.
		323
		324	=cut
		325
		326	sub post_init(&) {
		327	push @POST_INIT, shift;
		328	}
		329
223	=item cf::lock_wait $string	330	=item cf::lock_wait $string
224		331
225	Wait until the given lock is available. See cf::lock_acquire.	332	Wait until the given lock is available. See cf::lock_acquire.
226		333
227	=item my $lock = cf::lock_acquire $string	334	=item my $lock = cf::lock_acquire $string
228		335
229	Wait until the given lock is available and then acquires it and returns	336	Wait until the given lock is available and then acquires it and returns
230	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	337	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
231	for example when the coroutine gets canceled), the lock is automatically	338	for example when the coroutine gets canceled), the lock is automatically
232	returned.	339	returned.
233		340
		341	Locks are *not* recursive, locking from the same coro twice results in a
		342	deadlocked coro.
		343
234	Lock names should begin with a unique identifier (for example, cf::map::find	344	Lock names should begin with a unique identifier (for example, cf::map::find
235	uses map_find and cf::map::load uses map_load).	345	uses map_find and cf::map::load uses map_load).
236		346
237	=cut	347	=item $locked = cf::lock_active $string
238		348
239	our %LOCK;	349	Return true if the lock is currently active, i.e. somebody has locked it.
		350
		351	=cut
		352
		353	our $LOCKS = new Coro::SemaphoreSet;
240		354
241	sub lock_wait($) {	355	sub lock_wait($) {
242	my ($key) = @_;	356	$LOCKS->wait ($_[0]);
243
244	# wait for lock, if any
245	while ($LOCK{$key}) {
246	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;
248	}
249	}	357	}
250		358
251	sub lock_acquire($) {	359	sub lock_acquire($) {
252	my ($key) = @_;	360	$LOCKS->guard ($_[0])
		361	}
253		362
254	# wait, to be sure we are not locked	363	sub lock_active($) {
255	lock_wait $key;	364	$LOCKS->count ($_[0]) < 1
256
257	$LOCK{$key} = [];
258
259	Coro::guard {
260	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };
262	}
263	}	365	}
264		366
265	sub freeze_mainloop {	367	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
267		369
268	my $guard = Coro::guard {	370	&Guard::guard (\&tick_inhibit_dec);
269	$TICK_WATCHER->start;	371	}
		372
		373	=item cf::periodic $interval, $cb
		374
		375	Like EV::periodic, but randomly selects a starting point so that the actions
		376	get spread over timer.
		377
		378	=cut
		379
		380	sub periodic($$) {
		381	my ($interval, $cb) = @_;
		382
		383	my $start = rand List::Util::min 180, $interval;
		384
		385	EV::periodic $start, $interval, 0, $cb
		386	}
		387
		388	=item cf::get_slot $time[, $priority[, $name]]
		389
		390	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		391	This call blocks and returns only when you have at least C<$time> seconds
		392	of cpu time till the next tick. The slot is only valid till the next cede.
		393
		394	The optional C<$name> can be used to identify the job to run. It might be
		395	used for statistical purposes and should identify the same time-class.
		396
		397	Useful for short background jobs.
		398
		399	=cut
		400
		401	our @SLOT_QUEUE;
		402	our $SLOT_QUEUE;
		403
		404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		405	$SLOT_QUEUE = Coro::async {
		406	$Coro::current->desc ("timeslot manager");
		407
		408	my $signal = new Coro::Signal;
		409
		410	while () {
		411	next_job:
		412	my $avail = cf::till_tick;
		413	if ($avail > 0.01) {
		414	for (0 .. $#SLOT_QUEUE) {
		415	if ($SLOT_QUEUE[$_][0] < $avail) {
		416	my $job = splice @SLOT_QUEUE, $_, 1, ();
		417	$job->[2]->send;
		418	Coro::cede;
		419	goto next_job;
		420	}
		421	}
		422	}
		423
		424	if (@SLOT_QUEUE) {
		425	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		426	push @cf::WAIT_FOR_TICK, $signal;
		427	$signal->wait;
		428	} else {
		429	Coro::schedule;
		430	}
270	};	431	}
271	$TICK_WATCHER->stop;	432	};
272	$guard	433
		434	sub get_slot($;$$) {
		435	return if tick_inhibit || $Coro::current == $Coro::main;
		436
		437	my ($time, $pri, $name) = @_;
		438
		439	$time = $TICK * .6 if $time > $TICK * .6;
		440	my $sig = new Coro::Signal;
		441
		442	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		443	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		444	$SLOT_QUEUE->ready;
		445	$sig->wait;
273	}	446	}
274		447
275	=item cf::async { BLOCK }	448	=item cf::async { BLOCK }
276		449
277	Currently the same as Coro::async_pool, meaning you cannot use	450	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		455
283	BEGIN { *async = \&Coro::async_pool }	456	BEGIN { *async = \&Coro::async_pool }
284		457
285	=item cf::sync_job { BLOCK }	458	=item cf::sync_job { BLOCK }
286		459
287	The design of crossfire+ requires that the main coro ($Coro::main) is	460	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	461	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	462	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		463	acceptable.
290		464
291	If it must be done, put the blocking parts into C<sync_job>. This will run	465	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	466	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	467	server will be frozen during this time, so the block should either finish
294	fast or be very important.	468	fast or be very important.
…		…
297		471
298	sub sync_job(&) {	472	sub sync_job(&) {
299	my ($job) = @_;	473	my ($job) = @_;
300		474
301	if ($Coro::current == $Coro::main) {	475	if ($Coro::current == $Coro::main) {
		476	my $time = EV::time;
		477
302	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
304		480
305	# TODO: use suspend/resume instead	481	LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	482
307	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
308		484
309	my $busy = 1;	485	my $busy = 1;
310	my @res;	486	my @res;
311		487
312	(async {	488	(async {
		489	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	490	@res = eval { $job->() };
314	warn $@ if $@;	491	warn $@ if $@;
315	undef $busy;	492	undef $busy;
316	})->prio (Coro::PRIO_MAX);	493	})->prio (Coro::PRIO_MAX);
317		494
318	while ($busy) {	495	while ($busy) {
319	Coro::cede or Event::one_event;	496	if (Coro::nready) {
		497	Coro::cede_notself;
		498	} else {
		499	EV::loop EV::LOOP_ONESHOT;
320	}	500	}
		501	}
		502
		503	my $time = EV::time - $time;
		504
		505	$TICK_START += $time; # do not account sync jobs to server load
321		506
322	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
323	} else {	508	} else {
324	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
325		510
…		…
345	$EXT_CORO{$coro+0} = $coro;	530	$EXT_CORO{$coro+0} = $coro;
346		531
347	$coro	532	$coro
348	}	533	}
349		534
350	sub write_runtime {	535	=item fork_call { }, $args
351	my $guard = cf::lock_acquire "write_runtime";
352		536
353	my $runtime = cf::localdir . "/runtime";	537	Executes the given code block with the given arguments in a seperate
		538	process, returning the results. Everything must be serialisable with
		539	Coro::Storable. May, of course, block. Note that the executed sub may
		540	never block itself or use any form of event handling.
354		541
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	542	=cut
356	or return;
357		543
358	my $value = $cf::RUNTIME + 90 + 10;	544	sub fork_call(&@) {
359	# 10 is the runtime save interval, for a monotonic clock	545	my ($cb, @args) = @_;
360	# 60 allows for the watchdog to kill the server.
361		546
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	547	# we seemingly have to make a local copy of the whole thing,
363	and return;	548	# otherwise perl prematurely frees the stuff :/
		549	# TODO: investigate and fix (likely this will be rather laborious)
364		550
365	# always fsync - this file is important	551	my @res = Coro::Util::fork_eval {
366	aio_fsync $fh	552	reset_signals;
367	and return;	553	&$cb
		554	}, @args;
368		555
369	close $fh	556	wantarray ? @res : $res[-1]
370	or return;	557	}
371		558
372	aio_rename "$runtime~", $runtime	559	=item $coin = coin_from_name $name
373	and return;
374		560
		561	=cut
		562
		563	our %coin_alias = (
		564	"silver" => "silvercoin",
		565	"silvercoin" => "silvercoin",
		566	"silvercoins" => "silvercoin",
		567	"gold" => "goldcoin",
		568	"goldcoin" => "goldcoin",
		569	"goldcoins" => "goldcoin",
		570	"platinum" => "platinacoin",
		571	"platinumcoin" => "platinacoin",
		572	"platinumcoins" => "platinacoin",
		573	"platina" => "platinacoin",
		574	"platinacoin" => "platinacoin",
		575	"platinacoins" => "platinacoin",
		576	"royalty" => "royalty",
		577	"royalties" => "royalty",
		578	);
		579
		580	sub coin_from_name($) {
		581	$coin_alias{$_[0]}
		582	? cf::arch::find $coin_alias{$_[0]}
		583	: undef
		584	}
		585
		586	=item $value = cf::db_get $family => $key
		587
		588	Returns a single value from the environment database.
		589
		590	=item cf::db_put $family => $key => $value
		591
		592	Stores the given C<$value> in the family. It can currently store binary
		593	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		594
		595	=item $db = cf::db_table "name"
		596
		597	Create and/or open a new database table. The string must not be "db" and must be unique
		598	within each server.
		599
		600	=cut
		601
		602	sub db_table($) {
		603	my ($name) = @_;
		604	my $db = BDB::db_create $DB_ENV;
		605
		606	eval {
		607	$db->set_flags (BDB::CHKSUM);
		608
		609	utf8::encode $name;
		610	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		611	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		612	cf::cleanup "db_open(db): $!" if $!;
		613	};
		614	cf::cleanup "db_open(db): $@" if $@;
		615
		616	$db
		617	}
		618
		619	our $DB;
		620
		621	sub db_init {
		622	cf::sync_job {
		623	$DB ||= db_table "db";
		624	};
		625	}
		626
		627	sub db_get($$) {
		628	my $key = "$_[0]/$_[1]";
		629
		630	cf::sync_job {
		631	BDB::db_get $DB, undef, $key, my $data;
		632
		633	$! ? ()
		634	: $data
375	1	635	}
		636	}
		637
		638	sub db_put($$$) {
		639	BDB::dbreq_pri 4;
		640	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		641	}
		642
		643	=item cf::cache $id => [$paths...], $processversion => $process
		644
		645	Generic caching function that returns the value of the resource $id,
		646	caching and regenerating as required.
		647
		648	This function can block.
		649
		650	=cut
		651
		652	sub cache {
		653	my ($id, $src, $processversion, $process) = @_;
		654
		655	my $meta =
		656	join "\x00",
		657	$processversion,
		658	map {
		659	aio_stat $_
		660	and Carp::croak "$_: $!";
		661
		662	($_, (stat _)[7,9])
		663	} @$src;
		664
		665	my $dbmeta = db_get cache => "$id/meta";
		666	if ($dbmeta ne $meta) {
		667	# changed, we may need to process
		668
		669	my @data;
		670	my $md5;
		671
		672	for (0 .. $#$src) {
		673	0 <= aio_load $src->[$_], $data[$_]
		674	or Carp::croak "$src->[$_]: $!";
		675	}
		676
		677	# if processing is expensive, check
		678	# checksum first
		679	if (1) {
		680	$md5 =
		681	join "\x00",
		682	$processversion,
		683	map {
		684	cf::cede_to_tick;
		685	($src->[$_], Digest::MD5::md5_hex $data[$_])
		686	} 0.. $#$src;
		687
		688
		689	my $dbmd5 = db_get cache => "$id/md5";
		690	if ($dbmd5 eq $md5) {
		691	db_put cache => "$id/meta", $meta;
		692
		693	return db_get cache => "$id/data";
		694	}
		695	}
		696
		697	my $t1 = Time::HiRes::time;
		698	my $data = $process->(\@data);
		699	my $t2 = Time::HiRes::time;
		700
		701	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		702
		703	db_put cache => "$id/data", $data;
		704	db_put cache => "$id/md5" , $md5;
		705	db_put cache => "$id/meta", $meta;
		706
		707	return $data;
		708	}
		709
		710	db_get cache => "$id/data"
376	}	711	}
377		712
378	=item cf::datalog type => key => value, ...	713	=item cf::datalog type => key => value, ...
379		714
380	Log a datalog packet of the given type with the given key-value pairs.	715	Log a datalog packet of the given type with the given key-value pairs.
…		…
392		727
393	#############################################################################	728	#############################################################################
394		729
395	=head2 ATTACHABLE OBJECTS	730	=head2 ATTACHABLE OBJECTS
396		731
397	Many objects in crossfire are so-called attachable objects. That means you can	732	Many objects in deliantra are so-called attachable objects. That means you can
398	attach callbacks/event handlers (a collection of which is called an "attachment")	733	attach callbacks/event handlers (a collection of which is called an "attachment")
399	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
400		735
401	In the following description, CLASS can be any of C<global>, C<object>	736	In the following description, CLASS can be any of C<global>, C<object>
402	C<player>, C<client> or C<map> (i.e. the attachable objects in	737	C<player>, C<client> or C<map> (i.e. the attachable objects in
403	crossfire+).	738	Deliantra).
404		739
405	=over 4	740	=over 4
406		741
407	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
408		743
…		…
452	=item cf::CLASS::attachment $name, ...	787	=item cf::CLASS::attachment $name, ...
453		788
454	Register an attachment by C<$name> through which attachable objects of the	789	Register an attachment by C<$name> through which attachable objects of the
455	given CLASS can refer to this attachment.	790	given CLASS can refer to this attachment.
456		791
457	Some classes such as crossfire maps and objects can specify attachments	792	Some classes such as deliantra maps and objects can specify attachments
458	that are attached at load/instantiate time, thus the need for a name.	793	that are attached at load/instantiate time, thus the need for a name.
459		794
460	These calls expect any number of the following handler/hook descriptions:	795	These calls expect any number of the following handler/hook descriptions:
461		796
462	=over 4	797	=over 4
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	906	$registry = $CB_TYPE[$object_type] ||= [];
572		907
573	} elsif ($type eq "subtype") {	908	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	909	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	910	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	911	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		912
578	} elsif ($type eq "package") {	913	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	914	my $pkg = shift @arg;
580		915
581	while (my ($name, $id) = each %cb_id) {	916	while (my ($name, $id) = each %cb_id) {
…		…
610	_attach $registry, $klass, @attach;	945	_attach $registry, $klass, @attach;
611	}	946	}
612		947
613	$obj->{$name} = \%arg;	948	$obj->{$name} = \%arg;
614	} else {	949	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	950	warn "object uses attachment '$name' which is not available, postponing.\n";
616	}	951	}
617		952
618	$obj->{_attachment}{$name} = undef;	953	$obj->{_attachment}{$name} = undef;
619	}	954	}
620		955
…		…
622	if (ref $_[0]) {	957	if (ref $_[0]) {
623	_object_attach @_;	958	_object_attach @_;
624	} else {	959	} else {
625	_attach shift->_attach_registry, @_;	960	_attach shift->_attach_registry, @_;
626	}	961	}
		962	_recalc_want;
627	};	963	};
628		964
629	# all those should be optimised	965	# all those should be optimised
630	sub cf::attachable::detach {	966	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	967	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	970	delete $obj->{_attachment}{$name};
635	reattach ($obj);	971	reattach ($obj);
636	} else {	972	} else {
637	Carp::croak "cannot, currently, detach class attachments";	973	Carp::croak "cannot, currently, detach class attachments";
638	}	974	}
		975	_recalc_want;
639	};	976	};
640		977
641	sub cf::attachable::attached {	978	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	979	my ($obj, $name) = @_;
643		980
…		…
658	";	995	";
659	die if $@;	996	die if $@;
660	}	997	}
661		998
662	our $override;	999	our $override;
663	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1000	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
664		1001
665	sub override {	1002	sub override {
666	$override = 1;	1003	$override = 1;
667	@invoke_results = ();	1004	@INVOKE_RESULTS = (@_);
668	}	1005	}
669		1006
670	sub do_invoke {	1007	sub do_invoke {
671	my $event = shift;	1008	my $event = shift;
672	my $callbacks = shift;	1009	my $callbacks = shift;
673		1010
674	@invoke_results = ();	1011	@INVOKE_RESULTS = ();
675		1012
676	local $override;	1013	local $override;
677		1014
678	for (@$callbacks) {	1015	for (@$callbacks) {
679	eval { &{$_->[1]} };	1016	eval { &{$_->[1]} };
…		…
688	}	1025	}
689		1026
690	0	1027	0
691	}	1028	}
692		1029
693	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
694		1031
695	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
696		1033
697	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
698		1035
699	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1036	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
700	removed in future versions), and there is no public API to access override	1037	removed in future versions), and there is no public API to access override
701	results (if you must, access C<@cf::invoke_results> directly).	1038	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		1039
703	=back	1040	=back
704		1041
705	=cut	1042	=cut
706		1043
707	#############################################################################	1044	#############################################################################
708	# object support	1045	# object support
		1046
		1047	sub _object_equal($$);
		1048	sub _object_equal($$) {
		1049	my ($a, $b) = @_;
		1050
		1051	return 0 unless (ref $a) eq (ref $b);
		1052
		1053	if ("HASH" eq ref $a) {
		1054	my @ka = keys %$a;
		1055	my @kb = keys %$b;
		1056
		1057	return 0 if @ka != @kb;
		1058
		1059	for (0 .. $#ka) {
		1060	return 0 unless $ka[$_] eq $kb[$_];
		1061	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1062	}
		1063
		1064	} elsif ("ARRAY" eq ref $a) {
		1065
		1066	return 0 if @$a != @$b;
		1067
		1068	for (0 .. $#$a) {
		1069	return 0 unless _object_equal $a->[$_], $b->[$_];
		1070	}
		1071
		1072	} elsif ($a ne $b) {
		1073	return 0;
		1074	}
		1075
		1076	1
		1077	}
		1078
		1079	our $SLOW_MERGES;#d#
		1080	sub _can_merge {
		1081	my ($ob1, $ob2) = @_;
		1082
		1083	++$SLOW_MERGES;#d#
		1084
		1085	# we do the slow way here
		1086	return _object_equal $ob1, $ob2
		1087	}
709		1088
710	sub reattach {	1089	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	1091	my ($obj) = @_;
713		1092
		1093	# no longer needed after getting rid of delete_package?
714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1094	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
715		1095
716	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
717		1097
718	@$registry = ();	1098	@$registry = ();
719		1099
…		…
734	cf::attachable->attach (	1114	cf::attachable->attach (
735	prio => -1000000,	1115	prio => -1000000,
736	on_instantiate => sub {	1116	on_instantiate => sub {
737	my ($obj, $data) = @_;	1117	my ($obj, $data) = @_;
738		1118
739	$data = from_json $data;	1119	$data = decode_json $data;
740		1120
741	for (@$data) {	1121	for (@$data) {
742	my ($name, $args) = @$_;	1122	my ($name, $args) = @$_;
743		1123
744	$obj->attach ($name, %{$args || {} });	1124	$obj->attach ($name, %{$args || {} });
…		…
760	sub object_freezer_save {	1140	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1141	my ($filename, $rdata, $objs) = @_;
762		1142
763	sync_job {	1143	sync_job {
764	if (length $$rdata) {	1144	if (length $$rdata) {
		1145	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
767		1148
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	aio_fsync $fh if $cf::USE_FSYNC;	1152	aio_fsync $fh if $cf::USE_FSYNC;
772	close $fh;	1153	aio_close $fh;
773		1154
774	if (@$objs) {	1155	if (@$objs) {
775	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1156	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
776	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
777	my $data = Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
778	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
779	aio_fsync $fh if $cf::USE_FSYNC;	1160	aio_fsync $fh if $cf::USE_FSYNC;
780	close $fh;	1161	aio_close $fh;
781	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
782	}	1163	}
783	} else {	1164	} else {
784	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
785	}	1166	}
786		1167
787	aio_rename "$filename~", $filename;	1168	aio_rename "$filename~", $filename;
		1169
		1170	$filename =~ s%/[^/]+$%%;
		1171	aio_pathsync $filename if $cf::USE_FSYNC;
788	} else {	1172	} else {
789	warn "FATAL: $filename~: $!\n";	1173	warn "unable to save objects: $filename~: $!\n";
790	}	1174	}
791	} else {	1175	} else {
792	aio_unlink $filename;	1176	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1177	aio_unlink "$filename.pst";
794	}	1178	}
795	}	1179	};
796	}	1180	}
797		1181
798	sub object_freezer_as_string {	1182	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1183	my ($rdata, $objs) = @_;
800		1184
…		…
812	or return;	1196	or return;
813		1197
814	unless (aio_stat "$filename.pst") {	1198	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1199	(aio_load "$filename.pst", $av) >= 0
816	or return;	1200	or return;
		1201
817	$av = eval { (Storable::thaw $av)->{objs} };	1202	my $st = eval { Coro::Storable::thaw $av };
		1203	$av = $st->{objs};
818	}	1204	}
819		1205
		1206	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1207	warn sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1208	$decname, length $data, scalar @{$av || []};
		1209
822	return ($data, $av);	1210	($data, $av)
823	}	1211	}
		1212
		1213	=head2 COMMAND CALLBACKS
		1214
		1215	=over 4
		1216
		1217	=cut
824		1218
825	#############################################################################	1219	#############################################################################
826	# command handling &c	1220	# command handling &c
827		1221
828	=item cf::register_command $name => \&callback($ob,$args);	1222	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1235	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1236	}
843		1237
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1238	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1239
846	Register a callbackf ro execution when the client sends an extcmd packet.	1240	Register a callback for execution when the client sends an (synchronous)
		1241	extcmd packet. Ext commands will be processed in the order they are
		1242	received by the server, like other user commands. The first argument is
		1243	the logged-in player. Ext commands can only be processed after a player
		1244	has logged in successfully.
847		1245
848	If the callback returns something, it is sent back as if reply was being	1246	If the callback returns something, it is sent back as if reply was being
849	called.	1247	called.
850		1248
		1249	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1250
		1251	Register a callback for execution when the client sends an (asynchronous)
		1252	exticmd packet. Exti commands are processed by the server as soon as they
		1253	are received, i.e. out of order w.r.t. other commands. The first argument
		1254	is a client socket. Exti commands can be received anytime, even before
		1255	log-in.
		1256
		1257	If the callback returns something, it is sent back as if reply was being
		1258	called.
		1259
851	=cut	1260	=cut
852		1261
853	sub register_extcmd {	1262	sub register_extcmd {
854	my ($name, $cb) = @_;	1263	my ($name, $cb) = @_;
855		1264
856	$EXTCMD{$name} = $cb;	1265	$EXTCMD{$name} = $cb;
857	}	1266	}
		1267
		1268	sub register_exticmd {
		1269	my ($name, $cb) = @_;
		1270
		1271	$EXTICMD{$name} = $cb;
		1272	}
		1273
		1274	use File::Glob ();
858		1275
859	cf::player->attach (	1276	cf::player->attach (
860	on_command => sub {	1277	on_command => sub {
861	my ($pl, $name, $params) = @_;	1278	my ($pl, $name, $params) = @_;
862		1279
…		…
870	cf::override;	1287	cf::override;
871	},	1288	},
872	on_extcmd => sub {	1289	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1290	my ($pl, $buf) = @_;
874		1291
875	my $msg = eval { from_json $buf };	1292	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1293
877	if (ref $msg) {	1294	if (ref $msg) {
		1295	my ($type, $reply, @payload) =
		1296	"ARRAY" eq ref $msg
		1297	? @$msg
		1298	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1299
		1300	my @reply;
		1301
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1302	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1303	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1304	}
		1305
		1306	$pl->ext_reply ($reply, @reply)
		1307	if $reply;
		1308
883	} else {	1309	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1310	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1311	}
886		1312
887	cf::override;	1313	cf::override;
888	},	1314	},
889	);	1315	);
890		1316
		1317	# "readahead" all extensions
891	sub load_extension {	1318	sub cache_extensions {
892	my ($path) = @_;	1319	my $grp = IO::AIO::aio_group;
893		1320
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1321	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
895	my $base = $1;	1322	for (grep /\.ext$/, @{$_[0]}) {
896	my $pkg = $1;	1323	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}	1324	}
919	die $@;
920	}	1325	};
921		1326
922	push @EXTS, $pkg;	1327	$grp
923	}	1328	}
924		1329
925	sub load_extensions {	1330	sub load_extensions {
		1331	cf::sync_job {
		1332	my %todo;
		1333
926	for my $ext (<$LIBDIR/*.ext>) {	1334	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1335	next unless -r $path;
928	eval {	1336
929	load_extension $ext;	1337	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1338	my $base = $1;
		1339	my $pkg = $1;
		1340	$pkg =~ s/[^[:word:]]/_/g;
		1341	$pkg = "ext::$pkg";
		1342
		1343	open my $fh, "<:utf8", $path
		1344	or die "$path: $!";
		1345
		1346	my $source = do { local $/; <$fh> };
		1347
		1348	my %ext = (
		1349	path => $path,
		1350	base => $base,
		1351	pkg => $pkg,
		1352	);
		1353
		1354	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1355	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1356
		1357	$ext{source} =
		1358	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1359	. "#line 1 \"$path\"\n{\n"
		1360	. $source
		1361	. "\n};\n1";
		1362
		1363	$todo{$base} = \%ext;
		1364	}
		1365
		1366	my %done;
		1367	while (%todo) {
		1368	my $progress;
		1369
		1370	while (my ($k, $v) = each %todo) {
		1371	for (split /,\s*/, $v->{meta}{depends}) {
		1372	goto skip
		1373	unless exists $done{$_};
		1374	}
		1375
		1376	warn "... loading '$k' into '$v->{pkg}'\n";
		1377
		1378	unless (eval $v->{source}) {
		1379	my $msg = $@ ? "$v->{path}: $@\n"
		1380	: "$v->{base}: extension inactive.\n";
		1381
		1382	if (exists $v->{meta}{mandatory}) {
		1383	warn $msg;
		1384	cf::cleanup "mandatory extension failed to load, exiting.";
		1385	}
		1386
		1387	warn $msg;
		1388	}
		1389
		1390	$done{$k} = delete $todo{$k};
		1391	push @EXTS, $v->{pkg};
		1392	$progress = 1;
930	1	1393	}
931	} or warn "$ext not loaded: $@";	1394
		1395	skip:
		1396	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1397	unless $progress;
		1398	}
932	}	1399	};
933	}	1400	}
934		1401
935	#############################################################################	1402	#############################################################################
936		1403
		1404	=back
		1405
937	=head2 CORE EXTENSIONS	1406	=head2 CORE EXTENSIONS
938		1407
939	Functions and methods that extend core crossfire objects.	1408	Functions and methods that extend core deliantra objects.
940		1409
941	=cut	1410	=cut
942		1411
943	package cf::player;	1412	package cf::player;
944		1413
…		…
946		1415
947	=head3 cf::player	1416	=head3 cf::player
948		1417
949	=over 4	1418	=over 4
950		1419
		1420	=item cf::player::num_playing
		1421
		1422	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1423
		1424	=cut
		1425
		1426	sub num_playing {
		1427	scalar grep
		1428	$_->ob->map
		1429	&& !$_->hidden
		1430	&& !$_->ob->flag (cf::FLAG_WIZ),
		1431	cf::player::list
		1432	}
		1433
951	=item cf::player::find $login	1434	=item cf::player::find $login
952		1435
953	Returns the given player object, loading it if necessary (might block).	1436	Returns the given player object, loading it if necessary (might block).
954		1437
955	=cut	1438	=cut
956		1439
957	sub playerdir($) {	1440	sub playerdir($) {
958	cf::localdir	1441	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1442	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1443	}
964		1444
965	sub path($) {	1445	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1446	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
976		1456
977	sub exists($) {	1457	sub exists($) {
978	my ($login) = @_;	1458	my ($login) = @_;
979		1459
980	$cf::PLAYER{$login}	1460	$cf::PLAYER{$login}
981	or cf::sync_job { !aio_stat path $login }	1461	or !aio_stat path $login
982	}	1462	}
983		1463
984	sub find($) {	1464	sub find($) {
985	return $cf::PLAYER{$_[0]} || do {	1465	return $cf::PLAYER{$_[0]} || do {
986	my $login = $_[0];	1466	my $login = $_[0];
…		…
993	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1473	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
994	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1474	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
995	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1475	aio_unlink +(playerdir $login) . "/$login.pl.pst";
996	aio_unlink +(playerdir $login) . "/$login.pl";	1476	aio_unlink +(playerdir $login) . "/$login.pl";
997		1477
998	my $pl = load_pl path $login	1478	my $f = new_from_file cf::object::thawer path $login
999	or return;	1479	or return;
		1480
		1481	my $pl = cf::player::load_pl $f
		1482	or return;
		1483
		1484	local $cf::PLAYER_LOADING{$login} = $pl;
		1485	$f->resolve_delayed_derefs;
1000	$cf::PLAYER{$login} = $pl	1486	$cf::PLAYER{$login} = $pl
1001	}	1487	}
1002	}	1488	}
1003	}	1489	}
1004		1490
…		…
1013	return if $pl->{deny_save};	1499	return if $pl->{deny_save};
1014		1500
1015	aio_mkdir playerdir $pl, 0770;	1501	aio_mkdir playerdir $pl, 0770;
1016	$pl->{last_save} = $cf::RUNTIME;	1502	$pl->{last_save} = $cf::RUNTIME;
1017		1503
		1504	cf::get_slot 0.01;
		1505
1018	$pl->save_pl ($path);	1506	$pl->save_pl ($path);
1019	Coro::cede;	1507	cf::cede_to_tick;
1020	}	1508	}
1021		1509
1022	sub new($) {	1510	sub new($) {
1023	my ($login) = @_;	1511	my ($login) = @_;
1024		1512
…		…
1030	$cf::PLAYER{$login} = $self;	1518	$cf::PLAYER{$login} = $self;
1031		1519
1032	$self	1520	$self
1033	}	1521	}
1034		1522
		1523	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1524
		1525	=cut
		1526
		1527	sub send_msg {
		1528	my $ns = shift->ns
		1529	or return;
		1530	$ns->send_msg (@_);
		1531	}
		1532
1035	=item $pl->quit_character	1533	=item $pl->quit_character
1036		1534
1037	Nukes the player without looking back. If logged in, the connection will	1535	Nukes the player without looking back. If logged in, the connection will
1038	be destroyed. May block for a long time.	1536	be destroyed. May block for a long time.
1039		1537
…		…
1043	my ($pl) = @_;	1541	my ($pl) = @_;
1044		1542
1045	my $name = $pl->ob->name;	1543	my $name = $pl->ob->name;
1046		1544
1047	$pl->{deny_save} = 1;	1545	$pl->{deny_save} = 1;
1048	$pl->password ("*"); # this should lock out the player until we nuked the dir	1546	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1049		1547
1050	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1548	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1051	$pl->deactivate;	1549	$pl->deactivate;
		1550	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1551	$pl->ob->check_score;
1052	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1552	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1053	$pl->ns->destroy if $pl->ns;	1553	$pl->ns->destroy if $pl->ns;
1054		1554
1055	my $path = playerdir $pl;	1555	my $path = playerdir $pl;
1056	my $temp = "$path~$cf::RUNTIME~deleting~";	1556	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1086	while and may block, so not sync_job-capable, ever.	1586	while and may block, so not sync_job-capable, ever.
1087		1587
1088	=cut	1588	=cut
1089		1589
1090	sub list_logins {	1590	sub list_logins {
1091	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1591	my $dirs = aio_readdir $PLAYERDIR
1092	or return [];	1592	or return [];
1093		1593
1094	my @logins;	1594	my @logins;
1095		1595
1096	for my $login (@$dirs) {	1596	for my $login (@$dirs) {
		1597	my $path = path $login;
		1598
		1599	# a .pst is a dead give-away for a valid player
		1600	# if no pst file found, open and chekc for blocked users
		1601	if (aio_stat "$path.pst") {
1097	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1602	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1098	aio_read $fh, 0, 512, my $buf, 0 or next;	1603	aio_read $fh, 0, 512, my $buf, 0 or next;
1099	$buf !~ /^password -------------$/m or next; # official not-valid tag	1604	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1605	}
1100		1606
1101	utf8::decode $login;	1607	utf8::decode $login;
1102	push @logins, $login;	1608	push @logins, $login;
1103	}	1609	}
1104		1610
…		…
1131	}	1637	}
1132		1638
1133	\@paths	1639	\@paths
1134	}	1640	}
1135		1641
		1642	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1643
		1644	Expand deliantra pod fragments into protocol xml.
		1645
1136	=item $player->ext_reply ($msgid, %msg)	1646	=item $player->ext_reply ($msgid, @msg)
1137		1647
1138	Sends an ext reply to the player.	1648	Sends an ext reply to the player.
1139		1649
1140	=cut	1650	=cut
1141		1651
1142	sub ext_reply($$%) {	1652	sub ext_reply($$@) {
1143	my ($self, $id, %msg) = @_;	1653	my ($self, $id, @msg) = @_;
1144		1654
1145	$msg{msgid} = $id;	1655	$self->ns->ext_reply ($id, @msg)
1146
1147	$self->send ("ext " . cf::to_json \%msg);
1148	}	1656	}
1149		1657
1150	=item $player->ext_event ($type, %msg)	1658	=item $player->ext_msg ($type, @msg)
1151		1659
1152	Sends an ext event to the client.	1660	Sends an ext event to the client.
1153		1661
1154	=cut	1662	=cut
1155		1663
1156	sub ext_event($$%) {	1664	sub ext_msg($$@) {
1157	my ($self, $type, %msg) = @_;	1665	my ($self, $type, @msg) = @_;
1158		1666
1159	$self->ns->ext_event ($type, %msg);	1667	$self->ns->ext_msg ($type, @msg);
1160	}	1668	}
1161		1669
1162	package cf;	1670	=head3 cf::region
		1671
		1672	=over 4
		1673
		1674	=cut
		1675
		1676	package cf::region;
		1677
		1678	=item cf::region::find_by_path $path
		1679
		1680	Tries to decuce the likely region for a map knowing only its path.
		1681
		1682	=cut
		1683
		1684	sub find_by_path($) {
		1685	my ($path) = @_;
		1686
		1687	my ($match, $specificity);
		1688
		1689	for my $region (list) {
		1690	if ($region->{match} && $path =~ $region->{match}) {
		1691	($match, $specificity) = ($region, $region->specificity)
		1692	if $region->specificity > $specificity;
		1693	}
		1694	}
		1695
		1696	$match
		1697	}
1163		1698
1164	=back	1699	=back
1165
1166		1700
1167	=head3 cf::map	1701	=head3 cf::map
1168		1702
1169	=over 4	1703	=over 4
1170		1704
…		…
1182	our $MAX_RESET = 3600;	1716	our $MAX_RESET = 3600;
1183	our $DEFAULT_RESET = 3000;	1717	our $DEFAULT_RESET = 3000;
1184		1718
1185	sub generate_random_map {	1719	sub generate_random_map {
1186	my ($self, $rmp) = @_;	1720	my ($self, $rmp) = @_;
		1721
		1722	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1723
1187	# mit "rum" bekleckern, nicht	1724	# mit "rum" bekleckern, nicht
1188	$self->_create_random_map (	1725	$self->_create_random_map (
1189	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1726	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1190	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1727	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1191	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1728	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1225	my ($self, $merge) = @_;	1762	my ($self, $merge) = @_;
1226		1763
1227	# we have to keep some variables in memory intact	1764	# we have to keep some variables in memory intact
1228	local $self->{path};	1765	local $self->{path};
1229	local $self->{load_path};	1766	local $self->{load_path};
1230	local $self->{deny_save};
1231	local $self->{deny_reset};
1232		1767
1233	$self->SUPER::thawer_merge ($merge);	1768	$self->SUPER::thawer_merge ($merge);
1234	}	1769	}
1235		1770
1236	sub normalise {	1771	sub normalise {
…		…
1283	$self->init; # pass $1 etc.	1818	$self->init; # pass $1 etc.
1284	return $self;	1819	return $self;
1285	}	1820	}
1286	}	1821	}
1287		1822
1288	Carp::carp "unable to resolve path '$path' (base '$base').";	1823	Carp::cluck "unable to resolve path '$path' (base '$base').";
1289	()	1824	()
1290	}	1825	}
1291		1826
1292	sub init {	1827	sub init {
1293	my ($self) = @_;	1828	my ($self) = @_;
…		…
1308		1843
1309	# the original (read-only) location	1844	# the original (read-only) location
1310	sub load_path {	1845	sub load_path {
1311	my ($self) = @_;	1846	my ($self) = @_;
1312		1847
1313	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1848	"$MAPDIR/$self->{path}.map"
1314	}	1849	}
1315		1850
1316	# the temporary/swap location	1851	# the temporary/swap location
1317	sub save_path {	1852	sub save_path {
1318	my ($self) = @_;	1853	my ($self) = @_;
1319		1854
1320	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1855	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1321	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1856	"$TMPDIR/$path.map"
1322	}	1857	}
1323		1858
1324	# the unique path, undef == no special unique path	1859	# the unique path, undef == no special unique path
1325	sub uniq_path {	1860	sub uniq_path {
1326	my ($self) = @_;	1861	my ($self) = @_;
1327		1862
1328	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1329	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1864	"$UNIQUEDIR/$path"
1330	}	1865	}
1331		1866
1332	# and all this just because we cannot iterate over	1867	sub decay_objects {
1333	# all maps in C++...
1334	sub change_all_map_light {
1335	my ($change) = @_;	1868	my ($self) = @_;
1336		1869
1337	$_->change_map_light ($change)	1870	return if $self->{deny_reset};
1338	for grep $_->outdoor, values %cf::MAP;	1871
		1872	$self->do_decay_objects;
1339	}	1873	}
1340		1874
1341	sub unlink_save {	1875	sub unlink_save {
1342	my ($self) = @_;	1876	my ($self) = @_;
1343		1877
…		…
1348		1882
1349	sub load_header_from($) {	1883	sub load_header_from($) {
1350	my ($self, $path) = @_;	1884	my ($self, $path) = @_;
1351		1885
1352	utf8::encode $path;	1886	utf8::encode $path;
1353	#aio_open $path, O_RDONLY, 0	1887	my $f = new_from_file cf::object::thawer $path
1354	# or return;
1355
1356	$self->_load_header ($path)
1357	or return;	1888	or return;
		1889
		1890	$self->_load_header ($f)
		1891	or return;
		1892
		1893	local $MAP_LOADING{$self->{path}} = $self;
		1894	$f->resolve_delayed_derefs;
1358		1895
1359	$self->{load_path} = $path;	1896	$self->{load_path} = $path;
1360		1897
1361	1	1898	1
1362	}	1899	}
…		…
1401	$self->load_header_orig	1938	$self->load_header_orig
1402	or return;	1939	or return;
1403	$self->prepare_orig;	1940	$self->prepare_orig;
1404	}	1941	}
1405		1942
		1943	$self->{deny_reset} = 1
		1944	if $self->no_reset;
		1945
		1946	$self->default_region (cf::region::find_by_path $self->{path})
		1947	unless $self->default_region;
		1948
1406	1	1949	1
1407	}	1950	}
1408		1951
1409	sub find;	1952	sub find;
1410	sub find {	1953	sub find {
1411	my ($path, $origin) = @_;	1954	my ($path, $origin) = @_;
1412		1955
1413	$path = normalise $path, $origin && $origin->path;	1956	$path = normalise $path, $origin && $origin->path;
1414		1957
		1958	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1415	cf::lock_wait "map_find:$path";	1959	my $guard2 = cf::lock_acquire "map_find:$path";
1416		1960
1417	$cf::MAP{$path} || do {	1961	$cf::MAP{$path} || do {
1418	my $guard = cf::lock_acquire "map_find:$path";
1419	my $map = new_from_path cf::map $path	1962	my $map = new_from_path cf::map $path
1420	or return;	1963	or return;
1421		1964
1422	$map->{last_save} = $cf::RUNTIME;	1965	$map->{last_save} = $cf::RUNTIME;
1423		1966
1424	$map->load_header	1967	$map->load_header
1425	or return;	1968	or return;
1426		1969
1427	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1970	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1428	# doing this can freeze the server in a sync job, obviously	1971	# doing this can freeze the server in a sync job, obviously
1429	#$cf::WAIT_FOR_TICK->wait;	1972	#$cf::WAIT_FOR_TICK->wait;
		1973	undef $guard2;
		1974	undef $guard1;
1430	$map->reset;	1975	$map->reset;
1431	undef $guard;
1432	return find $path;	1976	return find $path;
1433	}	1977	}
1434		1978
1435	$cf::MAP{$path} = $map	1979	$cf::MAP{$path} = $map
1436	}	1980	}
…		…
1443	my ($self) = @_;	1987	my ($self) = @_;
1444		1988
1445	local $self->{deny_reset} = 1; # loading can take a long time	1989	local $self->{deny_reset} = 1; # loading can take a long time
1446		1990
1447	my $path = $self->{path};	1991	my $path = $self->{path};
		1992
		1993	{
1448	my $guard = cf::lock_acquire "map_load:$path";	1994	my $guard = cf::lock_acquire "map_data:$path";
1449		1995
		1996	return unless $self->valid;
1450	return if $self->in_memory != cf::MAP_SWAPPED;	1997	return unless $self->in_memory == cf::MAP_SWAPPED;
1451		1998
1452	$self->in_memory (cf::MAP_LOADING);	1999	$self->in_memory (cf::MAP_LOADING);
1453		2000
1454	$self->alloc;	2001	$self->alloc;
1455		2002
1456	$self->pre_load;	2003	$self->pre_load;
		2004	cf::cede_to_tick;
1457		2005
1458	$self->_load_objects ($self->{load_path}, 1)	2006	my $f = new_from_file cf::object::thawer $self->{load_path};
		2007	$f->skip_block;
		2008	$self->_load_objects ($f)
1459	or return;	2009	or return;
1460		2010
1461	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2011	$self->post_load_original
1462	if delete $self->{load_original};	2012	if delete $self->{load_original};
1463		2013
1464	if (my $uniq = $self->uniq_path) {	2014	if (my $uniq = $self->uniq_path) {
1465	utf8::encode $uniq;	2015	utf8::encode $uniq;
1466	if (aio_open $uniq, O_RDONLY, 0) {	2016	unless (aio_stat $uniq) {
		2017	if (my $f = new_from_file cf::object::thawer $uniq) {
1467	$self->clear_unique_items;	2018	$self->clear_unique_items;
1468	$self->_load_objects ($uniq, 0);	2019	$self->_load_objects ($f);
		2020	$f->resolve_delayed_derefs;
		2021	}
1469	}	2022	}
1470	}	2023	}
1471		2024
1472	Coro::cede;	2025	$f->resolve_delayed_derefs;
1473		2026
		2027	cf::cede_to_tick;
1474	# now do the right thing for maps	2028	# now do the right thing for maps
1475	$self->link_multipart_objects;	2029	$self->link_multipart_objects;
1476
1477	unless ($self->{deny_activate}) {
1478	$self->decay_objects;
1479	$self->fix_auto_apply;
1480	$self->update_buttons;
1481	Coro::cede;
1482	$self->set_darkness_map;
1483	$self->difficulty ($self->estimate_difficulty)	2030	$self->difficulty ($self->estimate_difficulty)
1484	unless $self->difficulty;	2031	unless $self->difficulty;
1485	Coro::cede;	2032	cf::cede_to_tick;
		2033
		2034	unless ($self->{deny_activate}) {
		2035	$self->decay_objects;
		2036	$self->fix_auto_apply;
		2037	$self->update_buttons;
		2038	cf::cede_to_tick;
1486	$self->activate;	2039	$self->activate;
		2040	}
		2041
		2042	$self->{last_save} = $cf::RUNTIME;
		2043	$self->last_access ($cf::RUNTIME);
		2044
		2045	$self->in_memory (cf::MAP_ACTIVE);
1487	}	2046	}
1488		2047
1489	$self->post_load;	2048	$self->post_load;
1490
1491	$self->in_memory (cf::MAP_IN_MEMORY);
1492	}	2049	}
1493		2050
1494	sub customise_for {	2051	sub customise_for {
1495	my ($self, $ob) = @_;	2052	my ($self, $ob) = @_;
1496		2053
1497	return find "~" . $ob->name . "/" . $self->{path}	2054	return find "~" . $ob->name . "/" . $self->{path}
1498	if $self->per_player;	2055	if $self->per_player;
1499		2056
		2057	# return find "?party/" . $ob->name . "/" . $self->{path}
		2058	# if $self->per_party;
		2059
1500	$self	2060	$self
1501	}	2061	}
1502		2062
1503	# find and load all maps in the 3x3 area around a map	2063	# find and load all maps in the 3x3 area around a map
1504	sub load_diag {	2064	sub load_neighbours {
1505	my ($map) = @_;	2065	my ($map) = @_;
1506		2066
1507	my @diag; # diagonal neighbours	2067	my @neigh; # diagonal neighbours
1508		2068
1509	for (0 .. 3) {	2069	for (0 .. 3) {
1510	my $neigh = $map->tile_path ($_)	2070	my $neigh = $map->tile_path ($_)
1511	or next;	2071	or next;
1512	$neigh = find $neigh, $map	2072	$neigh = find $neigh, $map
1513	or next;	2073	or next;
1514	$neigh->load;	2074	$neigh->load;
1515		2075
		2076	push @neigh,
1516	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2077	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1517	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2078	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1518	}	2079	}
1519		2080
1520	for (@diag) {	2081	for (grep defined $_->[0], @neigh) {
		2082	my ($path, $origin) = @$_;
1521	my $neigh = find @$_	2083	my $neigh = find $path, $origin
1522	or next;	2084	or next;
1523	$neigh->load;	2085	$neigh->load;
1524	}	2086	}
1525	}	2087	}
1526		2088
…		…
1531	}	2093	}
1532		2094
1533	sub do_load_sync {	2095	sub do_load_sync {
1534	my ($map) = @_;	2096	my ($map) = @_;
1535		2097
		2098	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2099	if $Coro::current == $Coro::main;
		2100
1536	cf::sync_job { $map->load };	2101	cf::sync_job { $map->load };
1537	}	2102	}
1538		2103
1539	our %MAP_PREFETCH;	2104	our %MAP_PREFETCH;
1540	our $MAP_PREFETCHER = undef;	2105	our $MAP_PREFETCHER = undef;
1541		2106
1542	sub find_async {	2107	sub find_async {
1543	my ($path, $origin) = @_;	2108	my ($path, $origin, $load) = @_;
1544		2109
1545	$path = normalise $path, $origin && $origin->{path};	2110	$path = normalise $path, $origin && $origin->{path};
1546		2111
1547	if (my $map = $cf::MAP{$path}) {	2112	if (my $map = $cf::MAP{$path}) {
1548	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2113	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1549	}	2114	}
1550		2115
1551	undef $MAP_PREFETCH{$path};	2116	$MAP_PREFETCH{$path} |= $load;
		2117
1552	$MAP_PREFETCHER ||= cf::async {	2118	$MAP_PREFETCHER ||= cf::async {
		2119	$Coro::current->{desc} = "map prefetcher";
		2120
1553	while (%MAP_PREFETCH) {	2121	while (%MAP_PREFETCH) {
1554	for my $path (keys %MAP_PREFETCH) {	2122	while (my ($k, $v) = each %MAP_PREFETCH) {
1555	my $map = find $path	2123	if (my $map = find $k) {
1556	or next;
1557	$map->load;	2124	$map->load if $v;
		2125	}
1558		2126
1559	delete $MAP_PREFETCH{$path};	2127	delete $MAP_PREFETCH{$k};
1560	}	2128	}
1561	}	2129	}
1562	undef $MAP_PREFETCHER;	2130	undef $MAP_PREFETCHER;
1563	};	2131	};
1564	$MAP_PREFETCHER->prio (6);	2132	$MAP_PREFETCHER->prio (6);
…		…
1567	}	2135	}
1568		2136
1569	sub save {	2137	sub save {
1570	my ($self) = @_;	2138	my ($self) = @_;
1571		2139
1572	my $lock = cf::lock_acquire "map_data:" . $self->path;	2140	my $lock = cf::lock_acquire "map_data:$self->{path}";
1573		2141
1574	$self->{last_save} = $cf::RUNTIME;	2142	$self->{last_save} = $cf::RUNTIME;
1575		2143
1576	return unless $self->dirty;	2144	return unless $self->dirty;
1577		2145
…		…
1583	return if $self->{deny_save};	2151	return if $self->{deny_save};
1584		2152
1585	local $self->{last_access} = $self->last_access;#d#	2153	local $self->{last_access} = $self->last_access;#d#
1586		2154
1587	cf::async {	2155	cf::async {
		2156	$Coro::current->{desc} = "map player save";
1588	$_->contr->save for $self->players;	2157	$_->contr->save for $self->players;
1589	};	2158	};
		2159
		2160	cf::get_slot 0.02;
1590		2161
1591	if ($uniq) {	2162	if ($uniq) {
1592	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2163	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1593	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2164	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1594	} else {	2165	} else {
…		…
1600	my ($self) = @_;	2171	my ($self) = @_;
1601		2172
1602	# save first because save cedes	2173	# save first because save cedes
1603	$self->save;	2174	$self->save;
1604		2175
1605	my $lock = cf::lock_acquire "map_data:" . $self->path;	2176	my $lock = cf::lock_acquire "map_data:$self->{path}";
1606		2177
1607	return if $self->players;	2178	return if $self->players;
1608	return if $self->in_memory != cf::MAP_IN_MEMORY;	2179	return if $self->in_memory != cf::MAP_ACTIVE;
1609	return if $self->{deny_save};	2180	return if $self->{deny_save};
1610		2181
		2182	$self->in_memory (cf::MAP_SWAPPED);
		2183
		2184	$self->deactivate;
		2185	$_->clear_links_to ($self) for values %cf::MAP;
1611	$self->clear;	2186	$self->clear;
1612	$self->in_memory (cf::MAP_SWAPPED);
1613	}	2187	}
1614		2188
1615	sub reset_at {	2189	sub reset_at {
1616	my ($self) = @_;	2190	my ($self) = @_;
1617		2191
1618	# TODO: safety, remove and allow resettable per-player maps	2192	# TODO: safety, remove and allow resettable per-player maps
1619	return 1e99 if $self->isa ("ext::map_per_player");#d#
1620	return 1e99 if $self->{deny_reset};	2193	return 1e99 if $self->{deny_reset};
1621		2194
1622	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2195	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1623	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2196	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1624		2197
…		…
1635	my ($self) = @_;	2208	my ($self) = @_;
1636		2209
1637	my $lock = cf::lock_acquire "map_data:$self->{path}";	2210	my $lock = cf::lock_acquire "map_data:$self->{path}";
1638		2211
1639	return if $self->players;	2212	return if $self->players;
1640	return if $self->isa ("ext::map_per_player");#d#
1641		2213
1642	warn "resetting map ", $self->path;#d#	2214	warn "resetting map ", $self->path;
1643		2215
1644	$self->in_memory (cf::MAP_SWAPPED);	2216	$self->in_memory (cf::MAP_SWAPPED);
1645		2217
1646	# need to save uniques path	2218	# need to save uniques path
1647	unless ($self->{deny_save}) {	2219	unless ($self->{deny_save}) {
…		…
1651	if $uniq;	2223	if $uniq;
1652	}	2224	}
1653		2225
1654	delete $cf::MAP{$self->path};	2226	delete $cf::MAP{$self->path};
1655		2227
		2228	$self->deactivate;
		2229	$_->clear_links_to ($self) for values %cf::MAP;
1656	$self->clear;	2230	$self->clear;
1657
1658	$_->clear_links_to ($self) for values %cf::MAP;
1659		2231
1660	$self->unlink_save;	2232	$self->unlink_save;
1661	$self->destroy;	2233	$self->destroy;
1662	}	2234	}
1663		2235
1664	my $nuke_counter = "aaaa";	2236	my $nuke_counter = "aaaa";
1665		2237
1666	sub nuke {	2238	sub nuke {
1667	my ($self) = @_;	2239	my ($self) = @_;
1668		2240
		2241	{
		2242	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2243
1669	delete $cf::MAP{$self->path};	2244	delete $cf::MAP{$self->path};
1670		2245
1671	$self->unlink_save;	2246	$self->unlink_save;
1672		2247
1673	bless $self, "cf::map";	2248	bless $self, "cf::map";
1674	delete $self->{deny_reset};	2249	delete $self->{deny_reset};
1675	$self->{deny_save} = 1;	2250	$self->{deny_save} = 1;
1676	$self->reset_timeout (1);	2251	$self->reset_timeout (1);
1677	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2252	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1678		2253
1679	$cf::MAP{$self->path} = $self;	2254	$cf::MAP{$self->path} = $self;
		2255	}
1680		2256
1681	$self->reset; # polite request, might not happen	2257	$self->reset; # polite request, might not happen
		2258	}
		2259
		2260	=item $maps = cf::map::tmp_maps
		2261
		2262	Returns an arrayref with all map paths of currently instantiated and saved
		2263	maps. May block.
		2264
		2265	=cut
		2266
		2267	sub tmp_maps() {
		2268	[
		2269	map {
		2270	utf8::decode $_;
		2271	/\.map$/
		2272	? normalise $_
		2273	: ()
		2274	} @{ aio_readdir $TMPDIR or [] }
		2275	]
		2276	}
		2277
		2278	=item $maps = cf::map::random_maps
		2279
		2280	Returns an arrayref with all map paths of currently instantiated and saved
		2281	random maps. May block.
		2282
		2283	=cut
		2284
		2285	sub random_maps() {
		2286	[
		2287	map {
		2288	utf8::decode $_;
		2289	/\.map$/
		2290	? normalise "?random/$_"
		2291	: ()
		2292	} @{ aio_readdir $RANDOMDIR or [] }
		2293	]
1682	}	2294	}
1683		2295
1684	=item cf::map::unique_maps	2296	=item cf::map::unique_maps
1685		2297
1686	Returns an arrayref of paths of all shared maps that have	2298	Returns an arrayref of paths of all shared maps that have
1687	instantiated unique items. May block.	2299	instantiated unique items. May block.
1688		2300
1689	=cut	2301	=cut
1690		2302
1691	sub unique_maps() {	2303	sub unique_maps() {
1692	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2304	[
1693	or return;	2305	map {
1694
1695	my @paths;
1696
1697	for (@$files) {
1698	utf8::decode $_;	2306	utf8::decode $_;
1699	next if /\.pst$/;	2307	s/\.map$//; # TODO future compatibility hack
1700	next unless /^$PATH_SEP/o;	2308	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1701		2309	? ()
1702	push @paths, cf::map::normalise $_;	2310	: normalise $_
		2311	} @{ aio_readdir $UNIQUEDIR or [] }
1703	}	2312	]
1704
1705	\@paths
1706	}	2313	}
1707
1708	package cf;
1709		2314
1710	=back	2315	=back
1711		2316
1712	=head3 cf::object	2317	=head3 cf::object
1713		2318
…		…
1717		2322
1718	=over 4	2323	=over 4
1719		2324
1720	=item $ob->inv_recursive	2325	=item $ob->inv_recursive
1721		2326
1722	Returns the inventory of the object _and_ their inventories, recursively.	2327	Returns the inventory of the object I<and> their inventories, recursively,
		2328	but I<not> the object itself.
1723		2329
1724	=cut	2330	=cut
1725		2331
1726	sub inv_recursive_;	2332	sub inv_recursive_;
1727	sub inv_recursive_ {	2333	sub inv_recursive_ {
…		…
1730		2336
1731	sub inv_recursive {	2337	sub inv_recursive {
1732	inv_recursive_ inv $_[0]	2338	inv_recursive_ inv $_[0]
1733	}	2339	}
1734		2340
		2341	=item $ref = $ob->ref
		2342
		2343	Creates and returns a persistent reference to an object that can be stored as a string.
		2344
		2345	=item $ob = cf::object::deref ($refstring)
		2346
		2347	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2348	even if the object actually exists. May block.
		2349
		2350	=cut
		2351
		2352	sub deref {
		2353	my ($ref) = @_;
		2354
		2355	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2356	my ($uuid, $name) = ($1, $2);
		2357	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2358	or return;
		2359	$pl->ob->uuid eq $uuid
		2360	or return;
		2361
		2362	$pl->ob
		2363	} else {
		2364	warn "$ref: cannot resolve object reference\n";
		2365	undef
		2366	}
		2367	}
		2368
1735	package cf;	2369	package cf;
1736		2370
1737	=back	2371	=back
1738		2372
1739	=head3 cf::object::player	2373	=head3 cf::object::player
…		…
1745	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2379	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1746	can be C<undef>. Does the right thing when the player is currently in a	2380	can be C<undef>. Does the right thing when the player is currently in a
1747	dialogue with the given NPC character.	2381	dialogue with the given NPC character.
1748		2382
1749	=cut	2383	=cut
		2384
		2385	our $SAY_CHANNEL = {
		2386	id => "say",
		2387	title => "Map",
		2388	reply => "say ",
		2389	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2390	};
		2391
		2392	our $CHAT_CHANNEL = {
		2393	id => "chat",
		2394	title => "Chat",
		2395	reply => "chat ",
		2396	tooltip => "Player chat and shouts, global to the server.",
		2397	};
1750		2398
1751	# rough implementation of a future "reply" method that works	2399	# rough implementation of a future "reply" method that works
1752	# with dialog boxes.	2400	# with dialog boxes.
1753	#TODO: the first argument must go, split into a $npc->reply_to ( method	2401	#TODO: the first argument must go, split into a $npc->reply_to ( method
1754	sub cf::object::player::reply($$$;$) {	2402	sub cf::object::player::reply($$$;$) {
…		…
1756		2404
1757	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2405	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1758		2406
1759	if ($self->{record_replies}) {	2407	if ($self->{record_replies}) {
1760	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2408	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2409
1761	} else {	2410	} else {
		2411	my $pl = $self->contr;
		2412
		2413	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2414	my $dialog = $pl->{npc_dialog};
		2415	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2416
		2417	} else {
1762	$msg = $npc->name . " says: $msg" if $npc;	2418	$msg = $npc->name . " says: $msg" if $npc;
1763	$self->message ($msg, $flags);	2419	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2420	}
1764	}	2421	}
		2422	}
		2423
		2424	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2425
		2426	=cut
		2427
		2428	sub cf::object::send_msg {
		2429	my $pl = shift->contr
		2430	or return;
		2431	$pl->send_msg (@_);
1765	}	2432	}
1766		2433
1767	=item $player_object->may ("access")	2434	=item $player_object->may ("access")
1768		2435
1769	Returns wether the given player is authorized to access resource "access"	2436	Returns wether the given player is authorized to access resource "access"
…		…
1782		2449
1783	=item $player_object->enter_link	2450	=item $player_object->enter_link
1784		2451
1785	Freezes the player and moves him/her to a special map (C<{link}>).	2452	Freezes the player and moves him/her to a special map (C<{link}>).
1786		2453
1787	The player should be reasonably safe there for short amounts of time. You	2454	The player should be reasonably safe there for short amounts of time (e.g.
1788	I<MUST> call C<leave_link> as soon as possible, though.	2455	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2456	though, as the palyer cannot control the character while it is on the link
		2457	map.
1789		2458
1790	Will never block.	2459	Will never block.
1791		2460
1792	=item $player_object->leave_link ($map, $x, $y)	2461	=item $player_object->leave_link ($map, $x, $y)
1793		2462
…		…
1816	$self->deactivate_recursive;	2485	$self->deactivate_recursive;
1817		2486
1818	return if UNIVERSAL::isa $self->map, "ext::map_link";	2487	return if UNIVERSAL::isa $self->map, "ext::map_link";
1819		2488
1820	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2489	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1821	if $self->map;	2490	if $self->map && $self->map->{path} ne "{link}";
1822		2491
1823	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2492	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1824	}	2493	}
1825		2494
1826	sub cf::object::player::leave_link {	2495	sub cf::object::player::leave_link {
1827	my ($self, $map, $x, $y) = @_;	2496	my ($self, $map, $x, $y) = @_;
		2497
		2498	return unless $self->contr->active;
1828		2499
1829	my $link_pos = delete $self->{_link_pos};	2500	my $link_pos = delete $self->{_link_pos};
1830		2501
1831	unless ($map) {	2502	unless ($map) {
1832	# restore original map position	2503	# restore original map position
…		…
1846	# use -1 or undef as default coordinates, not 0, 0	2517	# use -1 or undef as default coordinates, not 0, 0
1847	($x, $y) = ($map->enter_x, $map->enter_y)	2518	($x, $y) = ($map->enter_x, $map->enter_y)
1848	if $x <=0 && $y <= 0;	2519	if $x <=0 && $y <= 0;
1849		2520
1850	$map->load;	2521	$map->load;
1851	$map->load_diag;	2522	$map->load_neighbours;
1852		2523
1853	return unless $self->contr->active;	2524	return unless $self->contr->active;
		2525	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1854	$self->activate_recursive;	2526	$self->activate_recursive;
1855		2527
1856	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2528	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1857	$self->enter_map ($map, $x, $y);	2529	$self->enter_map ($map, $x, $y);
1858	}	2530	}
1859		2531
1860	cf::player->attach (	2532	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1861	on_logout => sub {
1862	my ($pl) = @_;
1863		2533
1864	# abort map switching before logout	2534	Moves the player to the given map-path and coordinates by first freezing
1865	if ($pl->ob->{_link_pos}) {	2535	her, loading and preparing them map, calling the provided $check callback
1866	cf::sync_job {	2536	that has to return the map if sucecssful, and then unfreezes the player on
1867	$pl->ob->leave_link	2537	the new (success) or old (failed) map position. In either case, $done will
1868	};	2538	be called at the end of this process.
1869	}
1870	},
1871	on_login => sub {
1872	my ($pl) = @_;
1873		2539
1874	# try to abort aborted map switching on player login :)	2540	Note that $check will be called with a potentially non-loaded map, so if
1875	# should happen only on crashes	2541	it needs a loaded map it has to call C<< ->load >>.
1876	if ($pl->ob->{_link_pos}) {
1877	$pl->ob->enter_link;
1878	(async {
1879	$pl->ob->reply (undef,
1880	"There was an internal problem at your last logout, "
1881	. "the server will try to bring you to your intended destination in a second.",
1882	cf::NDI_RED);
1883	# we need this sleep as the login has a concurrent enter_exit running
1884	# and this sleep increases chances of the player not ending up in scorn
1885	Coro::Timer::sleep 1;
1886	$pl->ob->leave_link;
1887	})->prio (2);
1888	}
1889	},
1890	);
1891		2542
1892	=item $player_object->goto ($path, $x, $y)
1893
1894	=cut	2543	=cut
		2544
		2545	our $GOTOGEN;
1895		2546
1896	sub cf::object::player::goto {	2547	sub cf::object::player::goto {
1897	my ($self, $path, $x, $y) = @_;	2548	my ($self, $path, $x, $y, $check, $done) = @_;
		2549
		2550	# do generation counting so two concurrent goto's will be executed in-order
		2551	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1898		2552
1899	$self->enter_link;	2553	$self->enter_link;
1900		2554
1901	(async {	2555	(async {
		2556	$Coro::current->{desc} = "player::goto $path $x $y";
		2557
		2558	# *tag paths override both path and x|y
		2559	if ($path =~ /^\*(.*)$/) {
		2560	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2561	my $ob = $obs[rand @obs];
		2562
		2563	# see if we actually can go there
		2564	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2565	$ob = $obs[rand @obs];
		2566	} else {
		2567	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2568	}
		2569	# else put us there anyways for now #d#
		2570
		2571	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2572	} else {
		2573	($path, $x, $y) = (undef, undef, undef);
		2574	}
		2575	}
		2576
1902	my $map = eval {	2577	my $map = eval {
1903	my $map = cf::map::find $path;	2578	my $map = defined $path ? cf::map::find $path : undef;
		2579
		2580	if ($map) {
1904	$map = $map->customise_for ($self) if $map;	2581	$map = $map->customise_for ($self);
		2582	$map = $check->($map) if $check && $map;
		2583	} else {
		2584	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2585	}
		2586
1905	$map	2587	$map
		2588	};
		2589
		2590	if ($@) {
		2591	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2592	LOG llevError | logBacktrace, Carp::longmess $@;
1906	} or	2593	}
1907	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1908		2594
		2595	if ($gen == $self->{_goto_generation}) {
		2596	delete $self->{_goto_generation};
1909	$self->leave_link ($map, $x, $y);	2597	$self->leave_link ($map, $x, $y);
		2598	}
		2599
		2600	$done->() if $done;
1910	})->prio (1);	2601	})->prio (1);
1911	}	2602	}
1912		2603
1913	=item $player_object->enter_exit ($exit_object)	2604	=item $player_object->enter_exit ($exit_object)
1914		2605
…		…
1934	}	2625	}
1935		2626
1936	sub prepare_random_map {	2627	sub prepare_random_map {
1937	my ($exit) = @_;	2628	my ($exit) = @_;
1938		2629
1939	my $guard = cf::lock_acquire "exit_prepare:$exit";
1940
1941	# all this does is basically replace the /! path by	2630	# all this does is basically replace the /! path by
1942	# a new random map path (?random/...) with a seed	2631	# a new random map path (?random/...) with a seed
1943	# that depends on the exit object	2632	# that depends on the exit object
1944		2633
1945	my $rmp = parse_random_map_params $exit->msg;	2634	my $rmp = parse_random_map_params $exit->msg;
…		…
1947	if ($exit->map) {	2636	if ($exit->map) {
1948	$rmp->{region} = $exit->region->name;	2637	$rmp->{region} = $exit->region->name;
1949	$rmp->{origin_map} = $exit->map->path;	2638	$rmp->{origin_map} = $exit->map->path;
1950	$rmp->{origin_x} = $exit->x;	2639	$rmp->{origin_x} = $exit->x;
1951	$rmp->{origin_y} = $exit->y;	2640	$rmp->{origin_y} = $exit->y;
		2641
		2642	$exit->map->touch;
1952	}	2643	}
1953		2644
1954	$rmp->{random_seed} ||= $exit->random_seed;	2645	$rmp->{random_seed} ||= $exit->random_seed;
1955		2646
1956	my $data = cf::to_json $rmp;	2647	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1957	my $md5 = Digest::MD5::md5_hex $data;	2648	my $md5 = Digest::MD5::md5_hex $data;
1958	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2649	my $meta = "$RANDOMDIR/$md5.meta";
1959		2650
1960	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2651	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1961	aio_write $fh, 0, (length $data), $data, 0;	2652	aio_write $fh, 0, (length $data), $data, 0;
1962	undef $fh;	2653	undef $fh;
1963	aio_rename "$meta~", $meta;	2654	aio_rename "$meta~", $meta;
1964		2655
		2656	my $slaying = "?random/$md5";
		2657
		2658	if ($exit->valid) {
1965	$exit->slaying ("?random/$md5");	2659	$exit->slaying ("?random/$md5");
1966	$exit->msg (undef);	2660	$exit->msg (undef);
		2661	}
1967	}	2662	}
1968	}	2663	}
1969		2664
1970	sub cf::object::player::enter_exit {	2665	sub cf::object::player::enter_exit {
1971	my ($self, $exit) = @_;	2666	my ($self, $exit) = @_;
1972		2667
1973	return unless $self->type == cf::PLAYER;	2668	return unless $self->type == cf::PLAYER;
1974		2669
1975	if ($exit->slaying eq "/!") {
1976	#TODO: this should de-fi-ni-te-ly not be a sync-job
1977	# the problem is that $exit might not survive long enough
1978	# so it needs to be done right now, right here
1979	cf::sync_job { prepare_random_map $exit };
1980	}
1981
1982	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1983	my $hp = $exit->stats->hp;
1984	my $sp = $exit->stats->sp;
1985
1986	$self->enter_link;	2670	$self->enter_link;
1987		2671
1988	(async {	2672	(async {
1989	$self->deactivate_recursive; # just to be sure	2673	$Coro::current->{desc} = "enter_exit";
		2674
1990	unless (eval {	2675	unless (eval {
		2676	$self->deactivate_recursive; # just to be sure
		2677
		2678	# random map handling
		2679	{
		2680	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2681
		2682	prepare_random_map $exit
		2683	if $exit->slaying eq "/!";
		2684	}
		2685
		2686	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2687	my $x = $exit->stats->hp;
		2688	my $y = $exit->stats->sp;
		2689
1991	$self->goto ($slaying, $hp, $sp);	2690	$self->goto ($map, $x, $y);
1992		2691
		2692	# if exit is damned, update players death & WoR home-position
		2693	$self->contr->savebed ($map, $x, $y)
		2694	if $exit->flag (cf::FLAG_DAMNED);
		2695
1993	1;	2696	1
1994	}) {	2697	}) {
1995	$self->message ("Something went wrong deep within the crossfire server. "	2698	$self->message ("Something went wrong deep within the deliantra server. "
1996	. "I'll try to bring you back to the map you were before. "	2699	. "I'll try to bring you back to the map you were before. "
1997	. "Please report this to the dungeon master!",	2700	. "Please report this to the dungeon master!",
1998	cf::NDI_UNIQUE | cf::NDI_RED);	2701	cf::NDI_UNIQUE | cf::NDI_RED);
1999		2702
2000	warn "ERROR in enter_exit: $@";	2703	warn "ERROR in enter_exit: $@";
…		…
2019		2722
2020	utf8::encode $text;	2723	utf8::encode $text;
2021	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2724	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2022	}	2725	}
2023		2726
		2727	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2728
		2729	Send a drawinfo or msg packet to the client, formatting the msg for the
		2730	client if neccessary. C<$type> should be a string identifying the type of
		2731	the message, with C<log> being the default. If C<$color> is negative, suppress
		2732	the message unless the client supports the msg packet.
		2733
		2734	=cut
		2735
		2736	# non-persistent channels (usually the info channel)
		2737	our %CHANNEL = (
		2738	"c/identify" => {
		2739	id => "infobox",
		2740	title => "Identify",
		2741	reply => undef,
		2742	tooltip => "Items recently identified",
		2743	},
		2744	"c/examine" => {
		2745	id => "infobox",
		2746	title => "Examine",
		2747	reply => undef,
		2748	tooltip => "Signs and other items you examined",
		2749	},
		2750	"c/book" => {
		2751	id => "infobox",
		2752	title => "Book",
		2753	reply => undef,
		2754	tooltip => "The contents of a note or book",
		2755	},
		2756	"c/lookat" => {
		2757	id => "infobox",
		2758	title => "Look",
		2759	reply => undef,
		2760	tooltip => "What you saw there",
		2761	},
		2762	"c/who" => {
		2763	id => "infobox",
		2764	title => "Players",
		2765	reply => undef,
		2766	tooltip => "Shows players who are currently online",
		2767	},
		2768	"c/body" => {
		2769	id => "infobox",
		2770	title => "Body Parts",
		2771	reply => undef,
		2772	tooltip => "Shows which body parts you posess and are available",
		2773	},
		2774	"c/skills" => {
		2775	id => "infobox",
		2776	title => "Skills",
		2777	reply => undef,
		2778	tooltip => "Shows your experience per skill and item power",
		2779	},
		2780	"c/uptime" => {
		2781	id => "infobox",
		2782	title => "Uptime",
		2783	reply => undef,
		2784	tooltip => "How long the server has been running since last restart",
		2785	},
		2786	"c/mapinfo" => {
		2787	id => "infobox",
		2788	title => "Map Info",
		2789	reply => undef,
		2790	tooltip => "Information related to the maps",
		2791	},
		2792	"c/party" => {
		2793	id => "party",
		2794	title => "Party",
		2795	reply => "gsay ",
		2796	tooltip => "Messages and chat related to your party",
		2797	},
		2798	"c/say" => $SAY_CHANNEL,
		2799	"c/chat" => $CHAT_CHANNEL,
		2800	);
		2801
		2802	sub cf::client::send_msg {
		2803	my ($self, $channel, $msg, $color, @extra) = @_;
		2804
		2805	$msg = $self->pl->expand_cfpod ($msg)
		2806	unless $color & cf::NDI_VERBATIM;
		2807
		2808	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2809
		2810	# check predefined channels, for the benefit of C
		2811	if ($CHANNEL{$channel}) {
		2812	$channel = $CHANNEL{$channel};
		2813
		2814	$self->ext_msg (channel_info => $channel);
		2815	$channel = $channel->{id};
		2816
		2817	} elsif (ref $channel) {
		2818	# send meta info to client, if not yet sent
		2819	unless (exists $self->{channel}{$channel->{id}}) {
		2820	$self->{channel}{$channel->{id}} = $channel;
		2821	$self->ext_msg (channel_info => $channel);
		2822	}
		2823
		2824	$channel = $channel->{id};
		2825	}
		2826
		2827	return unless @extra || length $msg;
		2828
		2829	# default colour, mask it out
		2830	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2831	if $color & cf::NDI_DEF;
		2832
		2833	my $pkt = "msg "
		2834	. $self->{json_coder}->encode (
		2835	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2836	);
		2837
		2838	# try lzf for large packets
		2839	$pkt = "lzf " . Compress::LZF::compress $pkt
		2840	if 1024 <= length $pkt and $self->{can_lzf};
		2841
		2842	# split very large packets
		2843	if (8192 < length $pkt and $self->{can_lzf}) {
		2844	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2845	$pkt = "frag";
		2846	}
		2847
		2848	$self->send_packet ($pkt);
		2849	}
		2850
2024	=item $client->ext_event ($type, %msg)	2851	=item $client->ext_msg ($type, @msg)
2025		2852
2026	Sends an exti event to the client.	2853	Sends an ext event to the client.
2027		2854
2028	=cut	2855	=cut
2029		2856
2030	sub cf::client::ext_event($$%) {	2857	sub cf::client::ext_msg($$@) {
2031	my ($self, $type, %msg) = @_;	2858	my ($self, $type, @msg) = @_;
2032		2859
		2860	if ($self->extcmd == 2) {
		2861	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2862	} elsif ($self->extcmd == 1) { # TODO: remove
2033	$msg{msgtype} = "event_$type";	2863	push @msg, msgtype => "event_$type";
2034	$self->send_packet ("ext " . cf::to_json \%msg);	2864	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2865	}
		2866	}
		2867
		2868	=item $client->ext_reply ($msgid, @msg)
		2869
		2870	Sends an ext reply to the client.
		2871
		2872	=cut
		2873
		2874	sub cf::client::ext_reply($$@) {
		2875	my ($self, $id, @msg) = @_;
		2876
		2877	if ($self->extcmd == 2) {
		2878	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2879	} elsif ($self->extcmd == 1) {
		2880	#TODO: version 1, remove
		2881	unshift @msg, msgtype => "reply", msgid => $id;
		2882	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2883	}
2035	}	2884	}
2036		2885
2037	=item $success = $client->query ($flags, "text", \&cb)	2886	=item $success = $client->query ($flags, "text", \&cb)
2038		2887
2039	Queues a query to the client, calling the given callback with	2888	Queues a query to the client, calling the given callback with
2040	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2889	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2041	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2890	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2042		2891
2043	Queries can fail, so check the return code. Or don't, as queries will become	2892	Queries can fail, so check the return code. Or don't, as queries will
2044	reliable at some point in the future.	2893	become reliable at some point in the future.
2045		2894
2046	=cut	2895	=cut
2047		2896
2048	sub cf::client::query {	2897	sub cf::client::query {
2049	my ($self, $flags, $text, $cb) = @_;	2898	my ($self, $flags, $text, $cb) = @_;
…		…
2057	utf8::encode $text;	2906	utf8::encode $text;
2058	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2907	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2059		2908
2060	$self->send_packet ($self->{query_queue}[0][0])	2909	$self->send_packet ($self->{query_queue}[0][0])
2061	if @{ $self->{query_queue} } == 1;	2910	if @{ $self->{query_queue} } == 1;
		2911
		2912	1
2062	}	2913	}
2063		2914
2064	cf::client->attach (	2915	cf::client->attach (
		2916	on_connect => sub {
		2917	my ($ns) = @_;
		2918
		2919	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2920	},
2065	on_reply => sub {	2921	on_reply => sub {
2066	my ($ns, $msg) = @_;	2922	my ($ns, $msg) = @_;
2067		2923
2068	# this weird shuffling is so that direct followup queries	2924	# this weird shuffling is so that direct followup queries
2069	# get handled first	2925	# get handled first
…		…
2081	} else {	2937	} else {
2082	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2938	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2083	}	2939	}
2084	}	2940	}
2085	},	2941	},
		2942	on_exticmd => sub {
		2943	my ($ns, $buf) = @_;
		2944
		2945	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2946
		2947	if (ref $msg) {
		2948	my ($type, $reply, @payload) =
		2949	"ARRAY" eq ref $msg
		2950	? @$msg
		2951	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2952
		2953	my @reply;
		2954
		2955	if (my $cb = $EXTICMD{$type}) {
		2956	@reply = $cb->($ns, @payload);
		2957	}
		2958
		2959	$ns->ext_reply ($reply, @reply)
		2960	if $reply;
		2961
		2962	} else {
		2963	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2964	}
		2965
		2966	cf::override;
		2967	},
2086	);	2968	);
2087		2969
2088	=item $client->async (\&cb)	2970	=item $client->async (\&cb)
2089		2971
2090	Create a new coroutine, running the specified callback. The coroutine will	2972	Create a new coroutine, running the specified callback. The coroutine will
…		…
2131	our $safe = new Safe "safe";	3013	our $safe = new Safe "safe";
2132	our $safe_hole = new Safe::Hole;	3014	our $safe_hole = new Safe::Hole;
2133		3015
2134	$SIG{FPE} = 'IGNORE';	3016	$SIG{FPE} = 'IGNORE';
2135		3017
2136	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3018	$safe->permit_only (Opcode::opset qw(
		3019	:base_core :base_mem :base_orig :base_math
		3020	grepstart grepwhile mapstart mapwhile
		3021	sort time
		3022	));
2137		3023
2138	# here we export the classes and methods available to script code	3024	# here we export the classes and methods available to script code
2139		3025
2140	=pod	3026	=pod
2141		3027
2142	The following functions and methods are available within a safe environment:	3028	The following functions and methods are available within a safe environment:
2143		3029
2144	cf::object contr pay_amount pay_player map	3030	cf::object
		3031	contr pay_amount pay_player map x y force_find force_add destroy
		3032	insert remove name archname title slaying race decrease split
		3033
2145	cf::object::player player	3034	cf::object::player
2146	cf::player peaceful	3035	player
2147	cf::map trigger	3036
		3037	cf::player
		3038	peaceful
		3039
		3040	cf::map
		3041	trigger
2148		3042
2149	=cut	3043	=cut
2150		3044
2151	for (	3045	for (
2152	["cf::object" => qw(contr pay_amount pay_player map)],	3046	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3047	insert remove inv nrof name archname title slaying race
		3048	decrease split destroy change_exp)],
2153	["cf::object::player" => qw(player)],	3049	["cf::object::player" => qw(player)],
2154	["cf::player" => qw(peaceful)],	3050	["cf::player" => qw(peaceful)],
2155	["cf::map" => qw(trigger)],	3051	["cf::map" => qw(trigger)],
2156	) {	3052	) {
2157	no strict 'refs';	3053	no strict 'refs';
…		…
2228	=back	3124	=back
2229		3125
2230	=cut	3126	=cut
2231		3127
2232	#############################################################################	3128	#############################################################################
2233
2234	=head2 EXTENSION DATABASE SUPPORT
2235
2236	Crossfire maintains a very simple database for extension use. It can
2237	currently store anything that can be serialised using Storable, which
2238	excludes objects.
2239
2240	The parameter C<$family> should best start with the name of the extension
2241	using it, it should be unique.
2242
2243	=over 4
2244
2245	=item $value = cf::db_get $family => $key
2246
2247	Returns a single value from the database.
2248
2249	=item cf::db_put $family => $key => $value
2250
2251	Stores the given C<$value> in the family.
2252
2253	=cut
2254
2255	our $DB;
2256
2257	sub db_init {
2258	unless ($DB) {
2259	$DB = BDB::db_create $DB_ENV;
2260
2261	cf::sync_job {
2262	eval {
2263	$DB->set_flags (BDB::CHKSUM);
2264
2265	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2266	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2267	cf::cleanup "db_open(db): $!" if $!;
2268	};
2269	cf::cleanup "db_open(db): $@" if $@;
2270	};
2271
2272	my $path = cf::localdir . "/database.pst";
2273	if (stat $path) {
2274	cf::sync_job {
2275	my $pst = Storable::retrieve $path;
2276
2277	cf::db_put (board => data => $pst->{board});
2278	cf::db_put (guildrules => data => $pst->{guildrules});
2279	cf::db_put (rent => balance => $pst->{rent}{balance});
2280	BDB::db_env_txn_checkpoint $DB_ENV;
2281
2282	unlink $path;
2283	};
2284	}
2285	}
2286	}
2287
2288	sub db_get($$) {
2289	my $key = "$_[0]/$_[1]";
2290
2291	cf::sync_job {
2292	BDB::db_get $DB, undef, $key, my $data;
2293
2294	$! ? ()
2295	: Compress::LZF::sthaw $data
2296	}
2297	}
2298
2299	sub db_put($$$) {
2300	BDB::dbreq_pri 4;
2301	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2302	}
2303
2304	#############################################################################
2305	# the server's init and main functions	3129	# the server's init and main functions
2306		3130
2307	sub load_facedata {	3131	sub load_facedata($) {
2308	my $path = sprintf "%s/facedata", cf::datadir;	3132	my ($path) = @_;
		3133
		3134	# HACK to clear player env face cache, we need some signal framework
		3135	# for this (global event?)
		3136	%ext::player_env::MUSIC_FACE_CACHE = ();
		3137
		3138	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2309		3139
2310	warn "loading facedata from $path\n";	3140	warn "loading facedata from $path\n";
2311		3141
2312	my $faces;	3142	my $facedata;
2313	0 < aio_load $path, $faces	3143	0 < aio_load $path, $facedata
2314	or die "$path: $!";	3144	or die "$path: $!";
2315		3145
2316	Coro::cede;
2317	$faces = Storable::thaw $faces;	3146	$facedata = Coro::Storable::thaw $facedata;
2318	Coro::cede;
2319		3147
2320	my $meta = delete $faces->{""};
2321	$meta->{version} == 1	3148	$facedata->{version} == 2
2322	or cf::cleanup "$path: version mismatch, cannot proceed.";	3149	or cf::cleanup "$path: version mismatch, cannot proceed.";
2323		3150
		3151	# patch in the exptable
		3152	$facedata->{resource}{"res/exp_table"} = {
		3153	type => FT_RSRC,
		3154	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3155	};
		3156	cf::cede_to_tick;
		3157
		3158	{
		3159	my $faces = $facedata->{faceinfo};
		3160
2324	while (my ($face, $info) = each %$faces) {	3161	while (my ($face, $info) = each %$faces) {
2325	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3162	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2326	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3163
		3164	cf::face::set_visibility $idx, $info->{visibility};
		3165	cf::face::set_magicmap $idx, $info->{magicmap};
2327	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3166	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2328	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3167	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2329	Coro::cede;
2330	}
2331		3168
		3169	cf::cede_to_tick;
		3170	}
		3171
2332	while (my ($face, $info) = each %$faces) {	3172	while (my ($face, $info) = each %$faces) {
2333	next unless $info->{smooth};	3173	next unless $info->{smooth};
		3174
2334	my $idx = cf::face::find $face	3175	my $idx = cf::face::find $face
2335	or next;	3176	or next;
		3177
2336	if (my $smooth = cf::face::find $info->{smooth}) {	3178	if (my $smooth = cf::face::find $info->{smooth}) {
2337	cf::face::set_smooth $idx, $smooth;	3179	cf::face::set_smooth $idx, $smooth;
		3180	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2338	} else {	3181	} else {
2339	warn "smooth face '$info->{smooth}' not found for face '$face'";	3182	warn "smooth face '$info->{smooth}' not found for face '$face'";
2340	}	3183	}
2341	Coro::cede;	3184
		3185	cf::cede_to_tick;
		3186	}
		3187	}
		3188
2342	}	3189	{
		3190	my $anims = $facedata->{animinfo};
		3191
		3192	while (my ($anim, $info) = each %$anims) {
		3193	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3194	cf::cede_to_tick;
		3195	}
		3196
		3197	cf::anim::invalidate_all; # d'oh
		3198	}
		3199
		3200	{
		3201	# TODO: for gcfclient pleasure, we should give resources
		3202	# that gcfclient doesn't grok a >10000 face index.
		3203	my $res = $facedata->{resource};
		3204
		3205	while (my ($name, $info) = each %$res) {
		3206	if (defined $info->{type}) {
		3207	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3208	my $data;
		3209
		3210	if ($info->{type} & 1) {
		3211	# prepend meta info
		3212
		3213	my $meta = $enc->encode ({
		3214	name => $name,
		3215	%{ $info->{meta} || {} },
		3216	});
		3217
		3218	$data = pack "(w/a*)*", $meta, $info->{data};
		3219	} else {
		3220	$data = $info->{data};
		3221	}
		3222
		3223	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3224	cf::face::set_type $idx, $info->{type};
		3225	} else {
		3226	$RESOURCE{$name} = $info;
		3227	}
		3228
		3229	cf::cede_to_tick;
		3230	}
		3231	}
		3232
		3233	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2343		3234
2344	1	3235	1
2345	}	3236	}
2346		3237
		3238	cf::global->attach (on_resource_update => sub {
		3239	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3240	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3241
		3242	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3243	my $sound = $soundconf->{compat}[$_]
		3244	or next;
		3245
		3246	my $face = cf::face::find "sound/$sound->[1]";
		3247	cf::sound::set $sound->[0] => $face;
		3248	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3249	}
		3250
		3251	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3252	my $face = cf::face::find "sound/$v";
		3253	cf::sound::set $k => $face;
		3254	}
		3255	}
		3256	});
		3257
		3258	register_exticmd fx_want => sub {
		3259	my ($ns, $want) = @_;
		3260
		3261	while (my ($k, $v) = each %$want) {
		3262	$ns->fx_want ($k, $v);
		3263	}
		3264	};
		3265
		3266	sub load_resource_file($) {
		3267	my $guard = lock_acquire "load_resource_file";
		3268
		3269	my $status = load_resource_file_ $_[0];
		3270	get_slot 0.1, 100;
		3271	cf::arch::commit_load;
		3272
		3273	$status
		3274	}
		3275
		3276	sub reload_regions {
		3277	# HACK to clear player env face cache, we need some signal framework
		3278	# for this (global event?)
		3279	%ext::player_env::MUSIC_FACE_CACHE = ();
		3280
		3281	load_resource_file "$MAPDIR/regions"
		3282	or die "unable to load regions file\n";
		3283
		3284	for (cf::region::list) {
		3285	$_->{match} = qr/$_->{match}/
		3286	if exists $_->{match};
		3287	}
		3288	}
		3289
		3290	sub reload_facedata {
		3291	load_facedata "$DATADIR/facedata"
		3292	or die "unable to load facedata\n";
		3293	}
		3294
		3295	sub reload_archetypes {
		3296	load_resource_file "$DATADIR/archetypes"
		3297	or die "unable to load archetypes\n";
		3298	}
		3299
		3300	sub reload_treasures {
		3301	load_resource_file "$DATADIR/treasures"
		3302	or die "unable to load treasurelists\n";
		3303	}
		3304
2347	sub reload_resources {	3305	sub reload_resources {
2348	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3306	warn "reloading resource files...\n";
2349	or die "unable to load regions file\n";#d#	3307
2350	load_facedata	3308	reload_facedata;
2351	or die "unable to load facedata\n";#d#	3309	reload_archetypes;
2352	}
2353
2354	sub init {
2355	reload_resources;	3310	reload_regions;
2356	}	3311	reload_treasures;
2357		3312
2358	sub cfg_load {	3313	warn "finished reloading resource files\n";
		3314	}
		3315
		3316	sub reload_config {
2359	open my $fh, "<:utf8", cf::confdir . "/config"	3317	open my $fh, "<:utf8", "$CONFDIR/config"
2360	or return;	3318	or return;
2361		3319
2362	local $/;	3320	local $/;
2363	*CFG = YAML::Syck::Load <$fh>;	3321	*CFG = YAML::Load <$fh>;
2364		3322
2365	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3323	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2366		3324
2367	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3325	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2368	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3326	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2374	};	3332	};
2375	warn $@ if $@;	3333	warn $@ if $@;
2376	}	3334	}
2377	}	3335	}
2378		3336
		3337	sub pidfile() {
		3338	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3339	or die "$PIDFILE: $!";
		3340	flock $fh, &Fcntl::LOCK_EX
		3341	or die "$PIDFILE: flock: $!";
		3342	$fh
		3343	}
		3344
		3345	# make sure only one server instance is running at any one time
		3346	sub atomic {
		3347	my $fh = pidfile;
		3348
		3349	my $pid = <$fh>;
		3350	kill 9, $pid if $pid > 0;
		3351
		3352	seek $fh, 0, 0;
		3353	print $fh $$;
		3354	}
		3355
2379	sub main {	3356	sub main {
		3357	cf::init_globals; # initialise logging
		3358
		3359	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3360	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3361	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3362	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3363
		3364	cf::init_experience;
		3365	cf::init_anim;
		3366	cf::init_attackmess;
		3367	cf::init_dynamic;
		3368
		3369	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3370
2380	# we must not ever block the main coroutine	3371	# we must not ever block the main coroutine
2381	local $Coro::idle = sub {	3372	local $Coro::idle = sub {
2382	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3373	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2383	(async {	3374	(async {
2384	Event::one_event;	3375	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3376	EV::loop EV::LOOP_ONESHOT;
2385	})->prio (Coro::PRIO_MAX);	3377	})->prio (Coro::PRIO_MAX);
2386	};	3378	};
2387		3379
2388	cfg_load;	3380	evthread_start IO::AIO::poll_fileno;
		3381
		3382	cf::sync_job {
		3383	reload_resources;
		3384	reload_config;
2389	db_init;	3385	db_init;
		3386
		3387	cf::load_settings;
		3388	cf::load_materials;
		3389	cf::init_uuid;
		3390	cf::init_signals;
		3391	cf::init_commands;
		3392	cf::init_skills;
		3393
		3394	cf::init_beforeplay;
		3395
		3396	atomic;
		3397
2390	load_extensions;	3398	load_extensions;
2391		3399
2392	$TICK_WATCHER->start;	3400	utime time, time, $RUNTIMEFILE;
		3401
		3402	# no (long-running) fork's whatsoever before this point(!)
		3403	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3404
		3405	(pop @POST_INIT)->(0) while @POST_INIT;
		3406	};
		3407
2393	Event::loop;	3408	EV::loop;
2394	}	3409	}
2395		3410
2396	#############################################################################	3411	#############################################################################
2397	# initialisation and cleanup	3412	# initialisation and cleanup
2398		3413
2399	# install some emergency cleanup handlers	3414	# install some emergency cleanup handlers
2400	BEGIN {	3415	BEGIN {
		3416	our %SIGWATCHER = ();
2401	for my $signal (qw(INT HUP TERM)) {	3417	for my $signal (qw(INT HUP TERM)) {
2402	Event->signal (	3418	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2403	reentrant => 0,
2404	data => WF_AUTOCANCEL,
2405	signal => $signal,
2406	prio => 0,
2407	cb => sub {
2408	cf::cleanup "SIG$signal";	3419	cf::cleanup "SIG$signal";
2409	},
2410	);	3420	};
		3421	}
		3422	}
		3423
		3424	sub write_runtime_sync {
		3425	# first touch the runtime file to show we are still running:
		3426	# the fsync below can take a very very long time.
		3427
		3428	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3429
		3430	my $guard = cf::lock_acquire "write_runtime";
		3431
		3432	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3433	or return;
		3434
		3435	my $value = $cf::RUNTIME + 90 + 10;
		3436	# 10 is the runtime save interval, for a monotonic clock
		3437	# 60 allows for the watchdog to kill the server.
		3438
		3439	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3440	and return;
		3441
		3442	# always fsync - this file is important
		3443	aio_fsync $fh
		3444	and return;
		3445
		3446	# touch it again to show we are up-to-date
		3447	aio_utime $fh, undef, undef;
		3448
		3449	close $fh
		3450	or return;
		3451
		3452	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3453	and return;
		3454
		3455	warn "runtime file written.\n";
		3456
2411	}	3457	1
		3458	}
		3459
		3460	our $uuid_lock;
		3461	our $uuid_skip;
		3462
		3463	sub write_uuid_sync($) {
		3464	$uuid_skip ||= $_[0];
		3465
		3466	return if $uuid_lock;
		3467	local $uuid_lock = 1;
		3468
		3469	my $uuid = "$LOCALDIR/uuid";
		3470
		3471	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3472	or return;
		3473
		3474	my $value = uuid_seq uuid_cur;
		3475
		3476	unless ($value) {
		3477	warn "cowardly refusing to write zero uuid value!\n";
		3478	return;
		3479	}
		3480
		3481	my $value = uuid_str $value + $uuid_skip;
		3482	$uuid_skip = 0;
		3483
		3484	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3485	and return;
		3486
		3487	# always fsync - this file is important
		3488	aio_fsync $fh
		3489	and return;
		3490
		3491	close $fh
		3492	or return;
		3493
		3494	aio_rename "$uuid~", $uuid
		3495	and return;
		3496
		3497	warn "uuid file written ($value).\n";
		3498
		3499	1
		3500
		3501	}
		3502
		3503	sub write_uuid($$) {
		3504	my ($skip, $sync) = @_;
		3505
		3506	$sync ? write_uuid_sync $skip
		3507	: async { write_uuid_sync $skip };
2412	}	3508	}
2413		3509
2414	sub emergency_save() {	3510	sub emergency_save() {
2415	my $freeze_guard = cf::freeze_mainloop;	3511	my $freeze_guard = cf::freeze_mainloop;
2416		3512
2417	warn "enter emergency perl save\n";	3513	warn "emergency_perl_save: enter\n";
2418		3514
2419	cf::sync_job {	3515	cf::sync_job {
		3516	# this is a trade-off: we want to be very quick here, so
		3517	# save all maps without fsync, and later call a global sync
		3518	# (which in turn might be very very slow)
		3519	local $USE_FSYNC = 0;
		3520
2420	# use a peculiar iteration method to avoid tripping on perl	3521	# use a peculiar iteration method to avoid tripping on perl
2421	# refcount bugs in for. also avoids problems with players	3522	# refcount bugs in for. also avoids problems with players
2422	# and maps saved/destroyed asynchronously.	3523	# and maps saved/destroyed asynchronously.
2423	warn "begin emergency player save\n";	3524	warn "emergency_perl_save: begin player save\n";
2424	for my $login (keys %cf::PLAYER) {	3525	for my $login (keys %cf::PLAYER) {
2425	my $pl = $cf::PLAYER{$login} or next;	3526	my $pl = $cf::PLAYER{$login} or next;
2426	$pl->valid or next;	3527	$pl->valid or next;
		3528	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2427	$pl->save;	3529	$pl->save;
2428	}	3530	}
2429	warn "end emergency player save\n";	3531	warn "emergency_perl_save: end player save\n";
2430		3532
2431	warn "begin emergency map save\n";	3533	warn "emergency_perl_save: begin map save\n";
2432	for my $path (keys %cf::MAP) {	3534	for my $path (keys %cf::MAP) {
2433	my $map = $cf::MAP{$path} or next;	3535	my $map = $cf::MAP{$path} or next;
2434	$map->valid or next;	3536	$map->valid or next;
2435	$map->save;	3537	$map->save;
2436	}	3538	}
2437	warn "end emergency map save\n";	3539	warn "emergency_perl_save: end map save\n";
2438		3540
2439	warn "begin emergency database checkpoint\n";	3541	warn "emergency_perl_save: begin database checkpoint\n";
2440	BDB::db_env_txn_checkpoint $DB_ENV;	3542	BDB::db_env_txn_checkpoint $DB_ENV;
2441	warn "end emergency database checkpoint\n";	3543	warn "emergency_perl_save: end database checkpoint\n";
		3544
		3545	warn "emergency_perl_save: begin write uuid\n";
		3546	write_uuid_sync 1;
		3547	warn "emergency_perl_save: end write uuid\n";
2442	};	3548	};
2443		3549
		3550	warn "emergency_perl_save: starting sync()\n";
		3551	IO::AIO::aio_sync sub {
		3552	warn "emergency_perl_save: finished sync()\n";
		3553	};
		3554
2444	warn "leave emergency perl save\n";	3555	warn "emergency_perl_save: leave\n";
2445	}	3556	}
2446		3557
2447	sub post_cleanup {	3558	sub post_cleanup {
2448	my ($make_core) = @_;	3559	my ($make_core) = @_;
2449		3560
2450	warn Carp::longmess "post_cleanup backtrace"	3561	warn Carp::longmess "post_cleanup backtrace"
2451	if $make_core;	3562	if $make_core;
2452	}
2453		3563
		3564	my $fh = pidfile;
		3565	unlink $PIDFILE if <$fh> == $$;
		3566	}
		3567
		3568	# a safer delete_package, copied from Symbol
		3569	sub clear_package($) {
		3570	my $pkg = shift;
		3571
		3572	# expand to full symbol table name if needed
		3573	unless ($pkg =~ /^main::.*::$/) {
		3574	$pkg = "main$pkg" if $pkg =~ /^::/;
		3575	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3576	$pkg .= '::' unless $pkg =~ /::$/;
		3577	}
		3578
		3579	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3580	my $stem_symtab = *{$stem}{HASH};
		3581
		3582	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3583	or return;
		3584
		3585	# clear all symbols
		3586	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3587	for my $name (keys %$leaf_symtab) {
		3588	_gv_clear *{"$pkg$name"};
		3589	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3590	}
		3591	warn "cleared package $pkg\n";#d#
		3592	}
		3593
2454	sub reload() {	3594	sub do_reload_perl() {
2455	# can/must only be called in main	3595	# can/must only be called in main
2456	if ($Coro::current != $Coro::main) {	3596	if ($Coro::current != $Coro::main) {
2457	warn "can only reload from main coroutine";	3597	warn "can only reload from main coroutine";
2458	return;	3598	return;
2459	}	3599	}
2460		3600
		3601	return if $RELOAD++;
		3602
		3603	my $t1 = EV::time;
		3604
		3605	while ($RELOAD) {
2461	warn "reloading...";	3606	warn "reloading...";
2462		3607
2463	warn "entering sync_job";	3608	warn "entering sync_job";
2464		3609
2465	cf::sync_job {	3610	cf::sync_job {
2466	cf::write_runtime; # external watchdog should not bark	3611	cf::write_runtime_sync; # external watchdog should not bark
2467	cf::emergency_save;	3612	cf::emergency_save;
2468	cf::write_runtime; # external watchdog should not bark	3613	cf::write_runtime_sync; # external watchdog should not bark
2469		3614
2470	warn "syncing database to disk";	3615	warn "syncing database to disk";
2471	BDB::db_env_txn_checkpoint $DB_ENV;	3616	BDB::db_env_txn_checkpoint $DB_ENV;
2472		3617
2473	# if anything goes wrong in here, we should simply crash as we already saved	3618	# if anything goes wrong in here, we should simply crash as we already saved
2474		3619
2475	warn "cancelling all WF_AUTOCANCEL watchers";
2476	for (Event::all_watchers) {
2477	$_->cancel if $_->data & WF_AUTOCANCEL;
2478	}
2479
2480	warn "flushing outstanding aio requests";	3620	warn "flushing outstanding aio requests";
2481	for (;;) {
2482	BDB::flush;
2483	IO::AIO::flush;
2484	Coro::cede;
2485	last unless IO::AIO::nreqs || BDB::nreqs;	3621	while (IO::AIO::nreqs || BDB::nreqs) {
2486	warn "iterate...";	3622	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2487	}
2488
2489	++$RELOAD;
2490
2491	warn "cancelling all extension coros";
2492	$_->cancel for values %EXT_CORO;
2493	%EXT_CORO = ();
2494
2495	warn "removing commands";
2496	%COMMAND = ();
2497
2498	warn "removing ext commands";
2499	%EXTCMD = ();
2500
2501	warn "unloading/nuking all extensions";
2502	for my $pkg (@EXTS) {
2503	warn "... unloading $pkg";
2504
2505	if (my $cb = $pkg->can ("unload")) {
2506	eval {
2507	$cb->($pkg);
2508	1
2509	} or warn "$pkg unloaded, but with errors: $@";
2510	}	3623	}
2511		3624
2512	warn "... nuking $pkg";	3625	warn "cancelling all extension coros";
2513	Symbol::delete_package $pkg;	3626	$_->cancel for values %EXT_CORO;
2514	}	3627	%EXT_CORO = ();
2515		3628
2516	warn "unloading all perl modules loaded from $LIBDIR";	3629	warn "removing commands";
2517	while (my ($k, $v) = each %INC) {	3630	%COMMAND = ();
2518	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2519		3631
		3632	warn "removing ext/exti commands";
		3633	%EXTCMD = ();
		3634	%EXTICMD = ();
		3635
		3636	warn "unloading/nuking all extensions";
		3637	for my $pkg (@EXTS) {
2520	warn "... unloading $k";	3638	warn "... unloading $pkg";
2521	delete $INC{$k};
2522		3639
2523	$k =~ s/\.pm$//;
2524	$k =~ s/\//::/g;
2525
2526	if (my $cb = $k->can ("unload_module")) {	3640	if (my $cb = $pkg->can ("unload")) {
		3641	eval {
2527	$cb->();	3642	$cb->($pkg);
		3643	1
		3644	} or warn "$pkg unloaded, but with errors: $@";
		3645	}
		3646
		3647	warn "... clearing $pkg";
		3648	clear_package $pkg;
2528	}	3649	}
2529		3650
2530	Symbol::delete_package $k;	3651	warn "unloading all perl modules loaded from $LIBDIR";
		3652	while (my ($k, $v) = each %INC) {
		3653	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3654
		3655	warn "... unloading $k";
		3656	delete $INC{$k};
		3657
		3658	$k =~ s/\.pm$//;
		3659	$k =~ s/\//::/g;
		3660
		3661	if (my $cb = $k->can ("unload_module")) {
		3662	$cb->();
		3663	}
		3664
		3665	clear_package $k;
2531	}	3666	}
2532		3667
2533	warn "getting rid of safe::, as good as possible";	3668	warn "getting rid of safe::, as good as possible";
2534	Symbol::delete_package "safe::$_"	3669	clear_package "safe::$_"
2535	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3670	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2536		3671
2537	warn "unloading cf.pm \"a bit\"";	3672	warn "unloading cf.pm \"a bit\"";
2538	delete $INC{"cf.pm"};	3673	delete $INC{"cf.pm"};
		3674	delete $INC{"cf/pod.pm"};
2539		3675
2540	# don't, removes xs symbols, too,	3676	# don't, removes xs symbols, too,
2541	# and global variables created in xs	3677	# and global variables created in xs
2542	#Symbol::delete_package __PACKAGE__;	3678	#clear_package __PACKAGE__;
2543		3679
2544	warn "unload completed, starting to reload now";	3680	warn "unload completed, starting to reload now";
2545		3681
2546	warn "reloading cf.pm";	3682	warn "reloading cf.pm";
2547	require cf;	3683	require cf;
2548	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3684	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2549		3685
2550	warn "loading config and database again";	3686	warn "loading config and database again";
2551	cf::cfg_load;	3687	cf::reload_config;
2552		3688
2553	warn "loading extensions";	3689	warn "loading extensions";
2554	cf::load_extensions;	3690	cf::load_extensions;
2555		3691
		3692	if ($REATTACH_ON_RELOAD) {
2556	warn "reattaching attachments to objects/players";	3693	warn "reattaching attachments to objects/players";
2557	_global_reattach; # objects, sockets	3694	_global_reattach; # objects, sockets
2558	warn "reattaching attachments to maps";	3695	warn "reattaching attachments to maps";
2559	reattach $_ for values %MAP;	3696	reattach $_ for values %MAP;
2560	warn "reattaching attachments to players";	3697	warn "reattaching attachments to players";
2561	reattach $_ for values %PLAYER;	3698	reattach $_ for values %PLAYER;
		3699	}
2562		3700
2563	warn "loading reloadable resources";	3701	warn "running post_init jobs";
2564	reload_resources;	3702	(pop @POST_INIT)->(1) while @POST_INIT;
2565		3703
2566	warn "leaving sync_job";	3704	warn "leaving sync_job";
2567		3705
2568	1	3706	1
2569	} or do {	3707	} or do {
2570	warn $@;	3708	warn $@;
2571	warn "error while reloading, exiting.";	3709	cf::cleanup "error while reloading, exiting.";
2572	exit 1;	3710	};
		3711
		3712	warn "reloaded";
		3713	--$RELOAD;
		3714	}
		3715
		3716	$t1 = EV::time - $t1;
		3717	warn "reload completed in ${t1}s\n";
		3718	};
		3719
		3720	our $RELOAD_WATCHER; # used only during reload
		3721
		3722	sub reload_perl() {
		3723	# doing reload synchronously and two reloads happen back-to-back,
		3724	# coro crashes during coro_state_free->destroy here.
		3725
		3726	$RELOAD_WATCHER ||= cf::async {
		3727	Coro::AIO::aio_wait cache_extensions;
		3728
		3729	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3730	do_reload_perl;
		3731	undef $RELOAD_WATCHER;
		3732	};
2573	};	3733	};
2574		3734	}
2575	warn "reloaded";
2576	};
2577
2578	our $RELOAD_WATCHER; # used only during reload
2579		3735
2580	register_command "reload" => sub {	3736	register_command "reload" => sub {
2581	my ($who, $arg) = @_;	3737	my ($who, $arg) = @_;
2582		3738
2583	if ($who->flag (FLAG_WIZ)) {	3739	if ($who->flag (FLAG_WIZ)) {
2584	$who->message ("reloading server.");	3740	$who->message ("reloading server.");
2585		3741	async {
2586	# doing reload synchronously and two reloads happen back-to-back,	3742	$Coro::current->{desc} = "perl_reload";
2587	# coro crashes during coro_state_free->destroy here.
2588
2589	$RELOAD_WATCHER ||= Event->timer (
2590	reentrant => 0,
2591	after => 0,
2592	data => WF_AUTOCANCEL,
2593	cb => sub {
2594	reload;	3743	reload_perl;
2595	undef $RELOAD_WATCHER;
2596	},
2597	);	3744	};
2598	}	3745	}
2599	};	3746	};
2600		3747
2601	unshift @INC, $LIBDIR;	3748	unshift @INC, $LIBDIR;
2602		3749
2603	my $bug_warning = 0;	3750	my $bug_warning = 0;
2604		3751
2605	$TICK_WATCHER = Event->timer (	3752	our @WAIT_FOR_TICK;
2606	reentrant => 0,	3753	our @WAIT_FOR_TICK_BEGIN;
2607	parked => 1,	3754
2608	prio => 0,	3755	sub wait_for_tick {
2609	at => $NEXT_TICK || $TICK,	3756	return if tick_inhibit || $Coro::current == $Coro::main;
2610	data => WF_AUTOCANCEL,	3757
2611	cb => sub {	3758	my $signal = new Coro::Signal;
		3759	push @WAIT_FOR_TICK, $signal;
		3760	$signal->wait;
		3761	}
		3762
		3763	sub wait_for_tick_begin {
		3764	return if tick_inhibit || $Coro::current == $Coro::main;
		3765
		3766	my $signal = new Coro::Signal;
		3767	push @WAIT_FOR_TICK_BEGIN, $signal;
		3768	$signal->wait;
		3769	}
		3770
		3771	sub tick {
2612	if ($Coro::current != $Coro::main) {	3772	if ($Coro::current != $Coro::main) {
2613	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3773	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2614	unless ++$bug_warning > 10;	3774	unless ++$bug_warning > 10;
2615	return;	3775	return;
2616	}	3776	}
2617		3777
2618	$NOW = Event::time;
2619
2620	cf::server_tick; # one server iteration	3778	cf::server_tick; # one server iteration
2621	$RUNTIME += $TICK;
2622	$NEXT_TICK += $TICK;
2623		3779
2624	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3780	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2625	$NEXT_RUNTIME_WRITE = $NOW + 10;	3781	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2626	Coro::async_pool {	3782	Coro::async_pool {
		3783	$Coro::current->{desc} = "runtime saver";
2627	write_runtime	3784	write_runtime_sync
2628	or warn "ERROR: unable to write runtime file: $!";	3785	or warn "ERROR: unable to write runtime file: $!";
2629	};
2630	}	3786	};
2631
2632	$WAIT_FOR_TICK->broadcast;
2633	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2634
2635	# my $AFTER = Event::time;
2636	# warn $AFTER - $NOW;#d#
2637
2638	# if we are delayed by four ticks or more, skip them all
2639	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2640
2641	$TICK_WATCHER->at ($NEXT_TICK);
2642	$TICK_WATCHER->start;
2643	},	3787	}
2644	);	3788
		3789	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3790	$sig->send;
		3791	}
		3792	while (my $sig = shift @WAIT_FOR_TICK) {
		3793	$sig->send;
		3794	}
		3795
		3796	$LOAD = ($NOW - $TICK_START) / $TICK;
		3797	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3798
		3799	if (0) {
		3800	if ($NEXT_TICK) {
		3801	my $jitter = $TICK_START - $NEXT_TICK;
		3802	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3803	warn "jitter $JITTER\n";#d#
		3804	}
		3805	}
		3806	}
2645		3807
2646	{	3808	{
2647	BDB::max_poll_time $TICK * 0.1;	3809	# configure BDB
2648	$BDB_POLL_WATCHER = Event->io (	3810
2649	reentrant => 0,
2650	fd => BDB::poll_fileno,
2651	poll => 'r',
2652	prio => 0,
2653	data => WF_AUTOCANCEL,
2654	cb => \&BDB::poll_cb,
2655	);
2656	BDB::min_parallel 8;	3811	BDB::min_parallel 8;
2657		3812	BDB::max_poll_reqs $TICK * 0.1;
2658	BDB::set_sync_prepare {	3813	$AnyEvent::BDB::WATCHER->priority (1);
2659	my $status;
2660	my $current = $Coro::current;
2661	(
2662	sub {
2663	$status = $!;
2664	$current->ready; undef $current;
2665	},
2666	sub {
2667	Coro::schedule while defined $current;
2668	$! = $status;
2669	},
2670	)
2671	};
2672		3814
2673	unless ($DB_ENV) {	3815	unless ($DB_ENV) {
2674	$DB_ENV = BDB::db_env_create;	3816	$DB_ENV = BDB::db_env_create;
		3817	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3818	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3819	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3820	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3821	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2675		3822
2676	cf::sync_job {	3823	cf::sync_job {
2677	eval {	3824	eval {
2678	BDB::db_env_open	3825	BDB::db_env_open
2679	$DB_ENV,	3826	$DB_ENV,
2680	$BDB_ENV_DIR,	3827	$BDBDIR,
2681	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3828	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2682	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3829	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2683	0666;	3830	0666;
2684		3831
2685	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3832	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2686
2687	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2688	$DB_ENV->set_lk_detect;
2689	};	3833	};
2690		3834
2691	cf::cleanup "db_env_open(db): $@" if $@;	3835	cf::cleanup "db_env_open(db): $@" if $@;
2692	};	3836	};
2693	}	3837	}
		3838
		3839	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3840	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3841	};
		3842	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3843	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3844	};
		3845	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3846	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3847	};
2694	}	3848	}
2695		3849
2696	{	3850	{
		3851	# configure IO::AIO
		3852
2697	IO::AIO::min_parallel 8;	3853	IO::AIO::min_parallel 8;
2698
2699	undef $Coro::AIO::WATCHER;
2700	IO::AIO::max_poll_time $TICK * 0.1;	3854	IO::AIO::max_poll_time $TICK * 0.1;
2701	$AIO_POLL_WATCHER = Event->io (	3855	undef $AnyEvent::AIO::WATCHER;
2702	reentrant => 0,
2703	data => WF_AUTOCANCEL,
2704	fd => IO::AIO::poll_fileno,
2705	poll => 'r',
2706	prio => 6,
2707	cb => \&IO::AIO::poll_cb,
2708	);
2709	}	3856	}
		3857
		3858	my $_log_backtrace;
		3859
		3860	sub _log_backtrace {
		3861	my ($msg, @addr) = @_;
		3862
		3863	$msg =~ s/\n//;
		3864
		3865	# limit the # of concurrent backtraces
		3866	if ($_log_backtrace < 2) {
		3867	++$_log_backtrace;
		3868	my $perl_bt = Carp::longmess $msg;
		3869	async {
		3870	$Coro::current->{desc} = "abt $msg";
		3871
		3872	my @bt = fork_call {
		3873	@addr = map { sprintf "%x", $_ } @addr;
		3874	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3875	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3876	or die "addr2line: $!";
		3877
		3878	my @funcs;
		3879	my @res = <$fh>;
		3880	chomp for @res;
		3881	while (@res) {
		3882	my ($func, $line) = splice @res, 0, 2, ();
		3883	push @funcs, "[$func] $line";
		3884	}
		3885
		3886	@funcs
		3887	};
		3888
		3889	LOG llevInfo, "[ABT] $perl_bt\n";
		3890	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3891	LOG llevInfo, "[ABT] $_\n" for @bt;
		3892	--$_log_backtrace;
		3893	};
		3894	} else {
		3895	LOG llevInfo, "[ABT] $msg\n";
		3896	LOG llevInfo, "[ABT] [suppressed]\n";
		3897	}
		3898	}
		3899
		3900	# load additional modules
		3901	use cf::pod;
2710		3902
2711	END { cf::emergency_save }	3903	END { cf::emergency_save }
2712		3904
2713	1	3905	1
2714		3906

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