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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.194 by root, Wed Jan 24 22:42:49 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;
		31	use EV;
9	use Opcode;	32	use Opcode;
10	use Safe;	33	use Safe;
11	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
12		36
		37	use Guard ();
13	use Coro 3.5 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
		54	use BDB ();
20	use Data::Dumper;	55	use Data::Dumper;
21	use Digest::MD5;	56	use Digest::MD5;
22	use Fcntl;	57	use Fcntl;
		58	use YAML ();
23	use IO::AIO 2.32 ();	59	use IO::AIO ();
24	use YAML::Syck ();
25	use Time::HiRes;	60	use Time::HiRes;
		61	use Compress::LZF;
		62	use Digest::MD5 ();
26		63
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	64	AnyEvent::detect;
		65
		66	# configure various modules to our taste
		67	#
		68	$Storable::canonical = 1; # reduce rsync transfers
		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";
		75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
28		76
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		78
36	our %COMMAND = ();	79	our %COMMAND = ();
37	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
38		81
39	our @EXTS = (); # list of extension package names	82	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	83	our %EXTCMD = ();
		84	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	85	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	86	our %EXT_MAP = (); # pluggable maps
43		87
		88	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	89	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		90
47	our $TICK = MAX_TIME * 1e-6;	91	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	92	our $DATADIR = datadir;
49	our $AIO_POLL_WATCHER;	93	our $LIBDIR = "$DATADIR/ext";
50	our $WRITE_RUNTIME_WATCHER;	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(!)
		108	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	109	our $NEXT_TICK;
52	our $NOW;	110	our $USE_FSYNC = 1; # use fsync to write maps - default off
		111
		112	our $BDB_DEADLOCK_WATCHER;
		113	our $BDB_CHECKPOINT_WATCHER;
		114	our $BDB_TRICKLE_WATCHER;
		115	our $DB_ENV;
53		116
54	our %CFG;	117	our %CFG;
55		118
56	our $UPTIME; $UPTIME ||= time;	119	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	120	our $RUNTIME;
		121	our $NOW;
58		122
59	our %PLAYER; # all users	123	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	124	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	125	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		126
67	# 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 ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	128	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		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 $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
		138
70	binmode STDOUT;	139	binmode STDOUT;
71	binmode STDERR;	140	binmode STDERR;
72		141
73	# read virtual server time, if available	142	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	143	unless ($RUNTIME || !-e $RUNTIMEFILE) {
75	open my $fh, "<", cf::localdir . "/runtime"	144	open my $fh, "<", $RUNTIMEFILE
76	or die "unable to read runtime file: $!";	145	or die "unable to read $RUNTIMEFILE file: $!";
77	$RUNTIME = <$fh> + 0.;	146	$RUNTIME = <$fh> + 0.;
78	}	147	}
79		148
80	mkdir cf::localdir;	149	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	150	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		151
86	our $EMERGENCY_POSITION;	152	our $EMERGENCY_POSITION;
		153
		154	sub cf::map::normalise;
87		155
88	#############################################################################	156	#############################################################################
89		157
90	=head2 GLOBAL VARIABLES	158	=head2 GLOBAL VARIABLES
91		159
…		…
98	=item $cf::RUNTIME	166	=item $cf::RUNTIME
99		167
100	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
101	every server tick.	169	every server tick.
102		170
103	=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
104		174
105	The perl library directory, where extensions and cf-specific modules can	175	Various directories - "/etc", read-only install directory, perl-library
106	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.
107		179
108	=item $cf::NOW	180	=item $cf::NOW
109		181
110	The time of the last (current) server tick.	182	The time of the last (current) server tick.
111		183
112	=item $cf::TICK	184	=item $cf::TICK
113		185
114	The interval between server ticks, in seconds.	186	The interval between server ticks, in seconds.
115		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
116	=item %cf::CFG	198	=item %cf::CFG
117		199
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	200	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119	from wherever your confdir points to.	201	from wherever your confdir points to.
120		202
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	203	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		204
123	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
124	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
125	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.
126	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.
127		214
128	=back	215	=back
129		216
130	=cut	217	=cut
131		218
132	BEGIN {	219	BEGIN {
133	*CORE::GLOBAL::warn = sub {	220	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	221	my $msg = join "", @_;
135	utf8::encode $msg;
136		222
137	$msg .= "\n"	223	$msg .= "\n"
138	unless $msg =~ /\n$/;	224	unless $msg =~ /\n$/;
139		225
		226	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		227
140	LOG llevError, $msg;	228	LOG llevError, $msg;
141	};	229	};
142	}	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#?
143		246
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	247	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	248	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	249	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	250	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@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';
149	@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)
150		254
151	# 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
152	# within the Safe compartment.	256	# within the Safe compartment.
153	for my $pkg (qw(	257	for my $pkg (qw(
154	cf::global cf::attachable	258	cf::global cf::attachable
155	cf::object cf::object::player	259	cf::object cf::object::player
156	cf::client cf::player	260	cf::client cf::player
157	cf::arch cf::living	261	cf::arch cf::living
		262	cf::map cf::mapspace
158	cf::map cf::party cf::region	263	cf::party cf::region
159	)) {	264	)) {
160	no strict 'refs';
161	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	265	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162	}	266	}
163		267
164	$Event::DIED = sub {	268	$EV::DIED = sub {
165	warn "error in event callback: @_";	269	warn "error in event callback: @_";
166	};	270	};
		271
		272	#############################################################################
167		273
168	=head2 UTILITY FUNCTIONS	274	=head2 UTILITY FUNCTIONS
169		275
170	=over 4	276	=over 4
171		277
…		…
190	$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;
191	$d	297	$d
192	} || "[unable to dump $_[0]: '$@']";	298	} || "[unable to dump $_[0]: '$@']";
193	}	299	}
194		300
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	301	=item $ref = cf::decode_json $json
198		302
199	Converts a JSON string into the corresponding perl data structure.	303	Converts a JSON string into the corresponding perl data structure.
200		304
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	305	=item $json = cf::encode_json $ref
209		306
210	Converts a perl data structure into its JSON representation.	307	Converts a perl data structure into its JSON representation.
211		308
212	=cut	309	=cut
213		310
214	sub to_json($) {	311	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	312
216	JSON::Syck::Dump $_[0]	313	sub encode_json($) { $json_coder->encode ($_[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;
217	}	328	}
218		329
219	=item cf::lock_wait $string	330	=item cf::lock_wait $string
220		331
221	Wait until the given lock is available. See cf::lock_acquire.	332	Wait until the given lock is available. See cf::lock_acquire.
222		333
223	=item my $lock = cf::lock_acquire $string	334	=item my $lock = cf::lock_acquire $string
224		335
225	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
226	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,
227	for example when the coroutine gets canceled), the lock is automatically	338	for example when the coroutine gets canceled), the lock is automatically
228	returned.	339	returned.
229		340
		341	Locks are *not* recursive, locking from the same coro twice results in a
		342	deadlocked coro.
		343
230	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
231	uses map_find and cf::map::load uses map_load).	345	uses map_find and cf::map::load uses map_load).
232		346
233	=cut	347	=item $locked = cf::lock_active $string
234		348
235	our %LOCK;	349	Return true if the lock is currently active, i.e. somebody has locked it.
		350
		351	=cut
		352
		353	our $LOCKS = new Coro::SemaphoreSet;
236		354
237	sub lock_wait($) {	355	sub lock_wait($) {
238	my ($key) = @_;	356	$LOCKS->wait ($_[0]);
239
240	# wait for lock, if any
241	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;
244	}
245	}	357	}
246		358
247	sub lock_acquire($) {	359	sub lock_acquire($) {
248	my ($key) = @_;	360	$LOCKS->guard ($_[0])
		361	}
249		362
250	# wait, to be sure we are not locked	363	sub lock_active($) {
251	lock_wait $key;	364	$LOCKS->count ($_[0]) < 1
252
253	$LOCK{$key} = [];
254
255	Coro::guard {
256	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };
258	}
259	}	365	}
260		366
261	sub freeze_mainloop {	367	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
263		369
264	my $guard = Coro::guard {	370	&Guard::guard (\&tick_inhibit_dec);
265	$TICK_WATCHER->start;	371	}
266	$WRITE_RUNTIME_WATCHER->start;	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($$) {
		381	my ($interval, $cb) = @_;
		382
		383	my $start = rand List::Util::min 180, $interval;
		384
		385	EV::periodic $start, $interval, 0, $cb
		386	}
		387
		388	=item cf::get_slot $time[, $priority[, $name]]
		389
		390	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		391	This call blocks and returns only when you have at least C<$time> seconds
		392	of cpu time till the next tick. The slot is only valid till the next cede.
		393
		394	The optional C<$name> can be used to identify the job to run. It might be
		395	used for statistical purposes and should identify the same time-class.
		396
		397	Useful for short background jobs.
		398
		399	=cut
		400
		401	our @SLOT_QUEUE;
		402	our $SLOT_QUEUE;
		403
		404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		405	$SLOT_QUEUE = Coro::async {
		406	$Coro::current->desc ("timeslot manager");
		407
		408	my $signal = new Coro::Signal;
		409
		410	while () {
		411	next_job:
		412	my $avail = cf::till_tick;
		413	if ($avail > 0.01) {
		414	for (0 .. $#SLOT_QUEUE) {
		415	if ($SLOT_QUEUE[$_][0] < $avail) {
		416	my $job = splice @SLOT_QUEUE, $_, 1, ();
		417	$job->[2]->send;
		418	Coro::cede;
		419	goto next_job;
		420	}
		421	}
		422	}
		423
		424	if (@SLOT_QUEUE) {
		425	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		426	push @cf::WAIT_FOR_TICK, $signal;
		427	$signal->wait;
		428	} else {
		429	Coro::schedule;
		430	}
267	};	431	}
268	$WRITE_RUNTIME_WATCHER->stop;	432	};
269	$TICK_WATCHER->stop;	433
270	$guard	434	sub get_slot($;$$) {
		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	$sig->wait;
271	}	446	}
272		447
273	=item cf::async { BLOCK }	448	=item cf::async { BLOCK }
274		449
275	Currently the same as Coro::async_pool, meaning you cannot use	450	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		455
281	BEGIN { *async = \&Coro::async_pool }	456	BEGIN { *async = \&Coro::async_pool }
282		457
283	=item cf::sync_job { BLOCK }	458	=item cf::sync_job { BLOCK }
284		459
285	The design of crossfire+ requires that the main coro ($Coro::main) is	460	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	461	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	462	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		463	acceptable.
288		464
289	If it must be done, put the blocking parts into C<sync_job>. This will run	465	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	466	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	467	server will be frozen during this time, so the block should either finish
292	fast or be very important.	468	fast or be very important.
…		…
295		471
296	sub sync_job(&) {	472	sub sync_job(&) {
297	my ($job) = @_;	473	my ($job) = @_;
298		474
299	if ($Coro::current == $Coro::main) {	475	if ($Coro::current == $Coro::main) {
		476	my $time = EV::time;
		477
300	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
302		480
303	# TODO: use suspend/resume instead	481	LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	482
305	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
306		484
307	my $busy = 1;	485	my $busy = 1;
308	my @res;	486	my @res;
309		487
310	(async {	488	(async {
		489	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	490	@res = eval { $job->() };
312	warn $@ if $@;	491	warn $@ if $@;
313	undef $busy;	492	undef $busy;
314	})->prio (Coro::PRIO_MAX);	493	})->prio (Coro::PRIO_MAX);
315		494
316	while ($busy) {	495	while ($busy) {
317	Coro::cede or Event::one_event;	496	if (Coro::nready) {
		497	Coro::cede_notself;
		498	} else {
		499	EV::loop EV::LOOP_ONESHOT;
318	}	500	}
		501	}
		502
		503	my $time = EV::time - $time;
		504
		505	$TICK_START += $time; # do not account sync jobs to server load
319		506
320	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
321	} else {	508	} else {
322	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
323		510
…		…
343	$EXT_CORO{$coro+0} = $coro;	530	$EXT_CORO{$coro+0} = $coro;
344		531
345	$coro	532	$coro
346	}	533	}
347		534
348	sub write_runtime {	535	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		536
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	537	Executes the given code block with the given arguments in a seperate
352	or return;	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.
353		541
354	my $value = $cf::RUNTIME + 90 + 10;	542	=cut
355	# 10 is the runtime save interval, for a monotonic clock
356	# 60 allows for the watchdog to kill the server.
357		543
358	(aio_write $fh, 0, (length $value), $value, 0) <= 0	544	sub fork_call(&@) {
359	and return;	545	my ($cb, @args) = @_;
360		546
361	aio_fsync $fh	547	# we seemingly have to make a local copy of the whole thing,
362	and return;	548	# otherwise perl prematurely frees the stuff :/
		549	# TODO: investigate and fix (likely this will be rather laborious)
363		550
364	close $fh	551	my @res = Coro::Util::fork_eval {
365	or return;	552	reset_signals;
		553	&$cb
		554	}, @args;
366		555
367	aio_rename "$runtime~", $runtime	556	wantarray ? @res : $res[-1]
368	and return;	557	}
369		558
		559	=item $coin = coin_from_name $name
		560
		561	=cut
		562
		563	our %coin_alias = (
		564	"silver" => "silvercoin",
		565	"silvercoin" => "silvercoin",
		566	"silvercoins" => "silvercoin",
		567	"gold" => "goldcoin",
		568	"goldcoin" => "goldcoin",
		569	"goldcoins" => "goldcoin",
		570	"platinum" => "platinacoin",
		571	"platinumcoin" => "platinacoin",
		572	"platinumcoins" => "platinacoin",
		573	"platina" => "platinacoin",
		574	"platinacoin" => "platinacoin",
		575	"platinacoins" => "platinacoin",
		576	"royalty" => "royalty",
		577	"royalties" => "royalty",
		578	);
		579
		580	sub coin_from_name($) {
		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($$) {
		628	my $key = "$_[0]/$_[1]";
		629
		630	cf::sync_job {
		631	BDB::db_get $DB, undef, $key, my $data;
		632
		633	$! ? ()
		634	: $data
370	1	635	}
		636	}
		637
		638	sub db_put($$$) {
		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"
		711	}
		712
		713	=item cf::datalog type => key => value, ...
		714
		715	Log a datalog packet of the given type with the given key-value pairs.
		716
		717	=cut
		718
		719	sub datalog($@) {
		720	my ($type, %kv) = @_;
		721	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
371	}	722	}
372		723
373	=back	724	=back
374		725
375	=cut	726	=cut
376		727
377	#############################################################################	728	#############################################################################
378		729
379	=head2 ATTACHABLE OBJECTS	730	=head2 ATTACHABLE OBJECTS
380		731
381	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
382	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")
383	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
384		735
385	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>
386	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
387	crossfire+).	738	Deliantra).
388		739
389	=over 4	740	=over 4
390		741
391	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
392		743
…		…
436	=item cf::CLASS::attachment $name, ...	787	=item cf::CLASS::attachment $name, ...
437		788
438	Register an attachment by C<$name> through which attachable objects of the	789	Register an attachment by C<$name> through which attachable objects of the
439	given CLASS can refer to this attachment.	790	given CLASS can refer to this attachment.
440		791
441	Some classes such as crossfire maps and objects can specify attachments	792	Some classes such as deliantra maps and objects can specify attachments
442	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.
443		794
444	These calls expect any number of the following handler/hook descriptions:	795	These calls expect any number of the following handler/hook descriptions:
445		796
446	=over 4	797	=over 4
…		…
555	$registry = $CB_TYPE[$object_type] ||= [];	906	$registry = $CB_TYPE[$object_type] ||= [];
556		907
557	} elsif ($type eq "subtype") {	908	} elsif ($type eq "subtype") {
558	defined $object_type or Carp::croak "subtype specified without type";	909	defined $object_type or Carp::croak "subtype specified without type";
559	my $object_subtype = shift @arg;	910	my $object_subtype = shift @arg;
560	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	911	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
561		912
562	} elsif ($type eq "package") {	913	} elsif ($type eq "package") {
563	my $pkg = shift @arg;	914	my $pkg = shift @arg;
564		915
565	while (my ($name, $id) = each %cb_id) {	916	while (my ($name, $id) = each %cb_id) {
…		…
594	_attach $registry, $klass, @attach;	945	_attach $registry, $klass, @attach;
595	}	946	}
596		947
597	$obj->{$name} = \%arg;	948	$obj->{$name} = \%arg;
598	} else {	949	} else {
599	warn "object uses attachment '$name' that is not available, postponing.\n";	950	warn "object uses attachment '$name' which is not available, postponing.\n";
600	}	951	}
601		952
602	$obj->{_attachment}{$name} = undef;	953	$obj->{_attachment}{$name} = undef;
603	}	954	}
604		955
…		…
606	if (ref $_[0]) {	957	if (ref $_[0]) {
607	_object_attach @_;	958	_object_attach @_;
608	} else {	959	} else {
609	_attach shift->_attach_registry, @_;	960	_attach shift->_attach_registry, @_;
610	}	961	}
		962	_recalc_want;
611	};	963	};
612		964
613	# all those should be optimised	965	# all those should be optimised
614	sub cf::attachable::detach {	966	sub cf::attachable::detach {
615	my ($obj, $name) = @_;	967	my ($obj, $name) = @_;
…		…
618	delete $obj->{_attachment}{$name};	970	delete $obj->{_attachment}{$name};
619	reattach ($obj);	971	reattach ($obj);
620	} else {	972	} else {
621	Carp::croak "cannot, currently, detach class attachments";	973	Carp::croak "cannot, currently, detach class attachments";
622	}	974	}
		975	_recalc_want;
623	};	976	};
624		977
625	sub cf::attachable::attached {	978	sub cf::attachable::attached {
626	my ($obj, $name) = @_;	979	my ($obj, $name) = @_;
627		980
…		…
642	";	995	";
643	die if $@;	996	die if $@;
644	}	997	}
645		998
646	our $override;	999	our $override;
647	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?
648		1001
649	sub override {	1002	sub override {
650	$override = 1;	1003	$override = 1;
651	@invoke_results = ();	1004	@INVOKE_RESULTS = (@_);
652	}	1005	}
653		1006
654	sub do_invoke {	1007	sub do_invoke {
655	my $event = shift;	1008	my $event = shift;
656	my $callbacks = shift;	1009	my $callbacks = shift;
657		1010
658	@invoke_results = ();	1011	@INVOKE_RESULTS = ();
659		1012
660	local $override;	1013	local $override;
661		1014
662	for (@$callbacks) {	1015	for (@$callbacks) {
663	eval { &{$_->[1]} };	1016	eval { &{$_->[1]} };
…		…
672	}	1025	}
673		1026
674	0	1027	0
675	}	1028	}
676		1029
677	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
678		1031
679	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
680		1033
681	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
682		1035
683	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
684	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
685	results (if you must, access C<@cf::invoke_results> directly).	1038	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
686		1039
687	=back	1040	=back
688		1041
689	=cut	1042	=cut
690		1043
691	#############################################################################	1044	#############################################################################
692	# 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, $ob2
		1087	}
693		1088
694	sub reattach {	1089	sub reattach {
695	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
696	my ($obj) = @_;	1091	my ($obj) = @_;
697		1092
		1093	# no longer needed after getting rid of delete_package?
698	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
699		1095
700	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
701		1097
702	@$registry = ();	1098	@$registry = ();
703		1099
…		…
718	cf::attachable->attach (	1114	cf::attachable->attach (
719	prio => -1000000,	1115	prio => -1000000,
720	on_instantiate => sub {	1116	on_instantiate => sub {
721	my ($obj, $data) = @_;	1117	my ($obj, $data) = @_;
722		1118
723	$data = from_json $data;	1119	$data = decode_json $data;
724		1120
725	for (@$data) {	1121	for (@$data) {
726	my ($name, $args) = @$_;	1122	my ($name, $args) = @$_;
727		1123
728	$obj->attach ($name, %{$args || {} });	1124	$obj->attach ($name, %{$args || {} });
…		…
744	sub object_freezer_save {	1140	sub object_freezer_save {
745	my ($filename, $rdata, $objs) = @_;	1141	my ($filename, $rdata, $objs) = @_;
746		1142
747	sync_job {	1143	sync_job {
748	if (length $$rdata) {	1144	if (length $$rdata) {
		1145	utf8::decode (my $decname = $filename);
749	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
750	$filename, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
751		1148
752	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
753	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
754	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
755	aio_fsync $fh;	1152	aio_fsync $fh if $cf::USE_FSYNC;
756	close $fh;	1153	aio_close $fh;
757		1154
758	if (@$objs) {	1155	if (@$objs) {
759	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) {
760	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
761	my $data = Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
762	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
763	aio_fsync $fh;	1160	aio_fsync $fh if $cf::USE_FSYNC;
764	close $fh;	1161	aio_close $fh;
765	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
766	}	1163	}
767	} else {	1164	} else {
768	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
769	}	1166	}
770		1167
771	aio_rename "$filename~", $filename;	1168	aio_rename "$filename~", $filename;
		1169
		1170	$filename =~ s%/[^/]+$%%;
		1171	aio_pathsync $filename if $cf::USE_FSYNC;
772	} else {	1172	} else {
773	warn "FATAL: $filename~: $!\n";	1173	warn "unable to save objects: $filename~: $!\n";
774	}	1174	}
775	} else {	1175	} else {
776	aio_unlink $filename;	1176	aio_unlink $filename;
777	aio_unlink "$filename.pst";	1177	aio_unlink "$filename.pst";
778	}	1178	}
779	}	1179	};
780	}	1180	}
781		1181
782	sub object_freezer_as_string {	1182	sub object_freezer_as_string {
783	my ($rdata, $objs) = @_;	1183	my ($rdata, $objs) = @_;
784		1184
…		…
796	or return;	1196	or return;
797		1197
798	unless (aio_stat "$filename.pst") {	1198	unless (aio_stat "$filename.pst") {
799	(aio_load "$filename.pst", $av) >= 0	1199	(aio_load "$filename.pst", $av) >= 0
800	or return;	1200	or return;
		1201
801	$av = eval { (Storable::thaw $av)->{objs} };	1202	my $st = eval { Coro::Storable::thaw $av };
		1203	$av = $st->{objs};
802	}	1204	}
803		1205
		1206	utf8::decode (my $decname = $filename);
804	warn sprintf "loading %s (%d)\n",	1207	warn sprintf "loading %s (%d,%d)\n",
805	$filename, length $data, scalar @{$av || []};#d#	1208	$decname, length $data, scalar @{$av || []};
		1209
806	return ($data, $av);	1210	($data, $av)
807	}	1211	}
		1212
		1213	=head2 COMMAND CALLBACKS
		1214
		1215	=over 4
		1216
		1217	=cut
808		1218
809	#############################################################################	1219	#############################################################################
810	# command handling &c	1220	# command handling &c
811		1221
812	=item cf::register_command $name => \&callback($ob,$args);	1222	=item cf::register_command $name => \&callback($ob,$args);
…		…
825	push @{ $COMMAND{$name} }, [$caller, $cb];	1235	push @{ $COMMAND{$name} }, [$caller, $cb];
826	}	1236	}
827		1237
828	=item cf::register_extcmd $name => \&callback($pl,$packet);	1238	=item cf::register_extcmd $name => \&callback($pl,$packet);
829		1239
830	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.
831		1245
832	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
833	called.	1247	called.
834		1248
		1249	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1250
		1251	Register a callback for execution when the client sends an (asynchronous)
		1252	exticmd packet. Exti commands are processed by the server as soon as they
		1253	are received, i.e. out of order w.r.t. other commands. The first argument
		1254	is a client socket. Exti commands can be received anytime, even before
		1255	log-in.
		1256
		1257	If the callback returns something, it is sent back as if reply was being
		1258	called.
		1259
835	=cut	1260	=cut
836		1261
837	sub register_extcmd {	1262	sub register_extcmd {
838	my ($name, $cb) = @_;	1263	my ($name, $cb) = @_;
839		1264
840	$EXTCMD{$name} = $cb;	1265	$EXTCMD{$name} = $cb;
841	}	1266	}
		1267
		1268	sub register_exticmd {
		1269	my ($name, $cb) = @_;
		1270
		1271	$EXTICMD{$name} = $cb;
		1272	}
		1273
		1274	use File::Glob ();
842		1275
843	cf::player->attach (	1276	cf::player->attach (
844	on_command => sub {	1277	on_command => sub {
845	my ($pl, $name, $params) = @_;	1278	my ($pl, $name, $params) = @_;
846		1279
…		…
854	cf::override;	1287	cf::override;
855	},	1288	},
856	on_extcmd => sub {	1289	on_extcmd => sub {
857	my ($pl, $buf) = @_;	1290	my ($pl, $buf) = @_;
858		1291
859	my $msg = eval { from_json $buf };	1292	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
860		1293
861	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
862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1302	if (my $cb = $EXTCMD{$type}) {
863	if (my %reply = $cb->($pl, $msg)) {	1303	@reply = $cb->($pl, @payload);
864	$pl->ext_reply ($msg->{msgid}, %reply);
865	}
866	}	1304	}
		1305
		1306	$pl->ext_reply ($reply, @reply)
		1307	if $reply;
		1308
867	} else {	1309	} else {
868	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1310	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
869	}	1311	}
870		1312
871	cf::override;	1313	cf::override;
872	},	1314	},
873	);	1315	);
874		1316
		1317	# "readahead" all extensions
875	sub load_extension {	1318	sub cache_extensions {
876	my ($path) = @_;	1319	my $grp = IO::AIO::aio_group;
877		1320
878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1321	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
879	my $base = $1;	1322	for (grep /\.ext$/, @{$_[0]}) {
880	my $pkg = $1;	1323	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
881	$pkg =~ s/[^[:word:]]/_/g;
882	$pkg = "ext::$pkg";
883
884	warn "... loading '$path' into '$pkg'\n";
885
886	open my $fh, "<:utf8", $path
887	or die "$path: $!";
888
889	my $source =
890	"package $pkg; use strict; use utf8;\n"
891	. "#line 1 \"$path\"\n{\n"
892	. (do { local $/; <$fh> })
893	. "\n};\n1";
894
895	unless (eval $source) {
896	my $msg = $@ ? "$path: $@\n"
897	: "extension disabled.\n";
898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
899	warn $@;
900	warn "mandatory extension failed to load, exiting.\n";
901	exit 1;
902	}	1324	}
903	die $@;
904	}	1325	};
905		1326
906	push @EXTS, $pkg;	1327	$grp
907	}	1328	}
908		1329
909	sub load_extensions {	1330	sub load_extensions {
		1331	cf::sync_job {
		1332	my %todo;
		1333
910	for my $ext (<$LIBDIR/*.ext>) {	1334	for my $path (<$LIBDIR/*.ext>) {
911	next unless -r $ext;	1335	next unless -r $path;
912	eval {	1336
913	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	$progress = 1;
914	1	1393	}
915	} or warn "$ext not loaded: $@";	1394
		1395	skip:
		1396	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1397	unless $progress;
		1398	}
916	}	1399	};
917	}	1400	}
918		1401
919	#############################################################################	1402	#############################################################################
920		1403
		1404	=back
		1405
921	=head2 CORE EXTENSIONS	1406	=head2 CORE EXTENSIONS
922		1407
923	Functions and methods that extend core crossfire objects.	1408	Functions and methods that extend core deliantra objects.
924		1409
925	=cut	1410	=cut
926		1411
927	package cf::player;	1412	package cf::player;
928		1413
…		…
930		1415
931	=head3 cf::player	1416	=head3 cf::player
932		1417
933	=over 4	1418	=over 4
934		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
935	=item cf::player::find $login	1434	=item cf::player::find $login
936		1435
937	Returns the given player object, loading it if necessary (might block).	1436	Returns the given player object, loading it if necessary (might block).
938		1437
939	=cut	1438	=cut
940		1439
941	sub playerdir($) {	1440	sub playerdir($) {
942	cf::localdir	1441	"$PLAYERDIR/"
943	. "/"
944	. cf::playerdir
945	. "/"
946	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1442	. (ref $_[0] ? $_[0]->ob->name : $_[0])
947	}	1443	}
948		1444
949	sub path($) {	1445	sub path($) {
950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1446	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
951		1447
952	(playerdir $login) . "/$login.pl"	1448	(playerdir $login) . "/playerdata"
953	}	1449	}
954		1450
955	sub find_active($) {	1451	sub find_active($) {
956	$cf::PLAYER{$_[0]}	1452	$cf::PLAYER{$_[0]}
957	and $cf::PLAYER{$_[0]}->active	1453	and $cf::PLAYER{$_[0]}->active
…		…
960		1456
961	sub exists($) {	1457	sub exists($) {
962	my ($login) = @_;	1458	my ($login) = @_;
963		1459
964	$cf::PLAYER{$login}	1460	$cf::PLAYER{$login}
965	or cf::sync_job { !aio_stat path $login }	1461	or !aio_stat path $login
966	}	1462	}
967		1463
968	sub find($) {	1464	sub find($) {
969	return $cf::PLAYER{$_[0]} || do {	1465	return $cf::PLAYER{$_[0]} || do {
970	my $login = $_[0];	1466	my $login = $_[0];
971		1467
972	my $guard = cf::lock_acquire "user_find:$login";	1468	my $guard = cf::lock_acquire "user_find:$login";
973		1469
974	$cf::PLAYER{$_[0]} || do {	1470	$cf::PLAYER{$_[0]} || do {
975	my $pl = load_pl path $login	1471	# rename old playerfiles to new ones
		1472	#TODO: remove when no longer required
		1473	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1474	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1475	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1476	aio_unlink +(playerdir $login) . "/$login.pl";
		1477
		1478	my $f = new_from_file cf::object::thawer path $login
976	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;
977	$cf::PLAYER{$login} = $pl	1486	$cf::PLAYER{$login} = $pl
978	}	1487	}
979	}	1488	}
980	}	1489	}
981		1490
…		…
990	return if $pl->{deny_save};	1499	return if $pl->{deny_save};
991		1500
992	aio_mkdir playerdir $pl, 0770;	1501	aio_mkdir playerdir $pl, 0770;
993	$pl->{last_save} = $cf::RUNTIME;	1502	$pl->{last_save} = $cf::RUNTIME;
994		1503
		1504	cf::get_slot 0.01;
		1505
995	$pl->save_pl ($path);	1506	$pl->save_pl ($path);
996	Coro::cede;	1507	cf::cede_to_tick;
997	}	1508	}
998		1509
999	sub new($) {	1510	sub new($) {
1000	my ($login) = @_;	1511	my ($login) = @_;
1001		1512
…		…
1007	$cf::PLAYER{$login} = $self;	1518	$cf::PLAYER{$login} = $self;
1008		1519
1009	$self	1520	$self
1010	}	1521	}
1011		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
1012	=item $pl->quit_character	1533	=item $pl->quit_character
1013		1534
1014	Nukes the player without looking back. If logged in, the connection will	1535	Nukes the player without looking back. If logged in, the connection will
1015	be destroyed. May block for a long time.	1536	be destroyed. May block for a long time.
1016		1537
1017	=cut	1538	=cut
1018		1539
1019	sub quit_character {	1540	sub quit_character {
1020	my ($pl) = @_;	1541	my ($pl) = @_;
1021		1542
		1543	my $name = $pl->ob->name;
		1544
1022	$pl->{deny_save} = 1;	1545	$pl->{deny_save} = 1;
1023	$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
1024		1547
1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1548	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1026	$pl->deactivate;	1549	$pl->deactivate;
		1550	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1551	$pl->ob->check_score;
1027	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1552	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1028	$pl->ns->destroy if $pl->ns;	1553	$pl->ns->destroy if $pl->ns;
1029		1554
1030	my $path = playerdir $pl;	1555	my $path = playerdir $pl;
1031	my $temp = "$path~$cf::RUNTIME~deleting~";	1556	my $temp = "$path~$cf::RUNTIME~deleting~";
1032	aio_rename $path, $temp;	1557	aio_rename $path, $temp;
1033	delete $cf::PLAYER{$pl->ob->name};	1558	delete $cf::PLAYER{$pl->ob->name};
1034	$pl->destroy;	1559	$pl->destroy;
		1560
		1561	my $prefix = qr<^~\Q$name\E/>;
		1562
		1563	# nuke player maps
		1564	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1565
1035	IO::AIO::aio_rmtree $temp;	1566	IO::AIO::aio_rmtree $temp;
		1567	}
		1568
		1569	=item $pl->kick
		1570
		1571	Kicks a player out of the game. This destroys the connection.
		1572
		1573	=cut
		1574
		1575	sub kick {
		1576	my ($pl, $kicker) = @_;
		1577
		1578	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1579	$pl->killer ("kicked");
		1580	$pl->ns->destroy;
1036	}	1581	}
1037		1582
1038	=item cf::player::list_logins	1583	=item cf::player::list_logins
1039		1584
1040	Returns am arrayref of all valid playernames in the system, can take a	1585	Returns am arrayref of all valid playernames in the system, can take a
1041	while and may block, so not sync_job-capable, ever.	1586	while and may block, so not sync_job-capable, ever.
1042		1587
1043	=cut	1588	=cut
1044		1589
1045	sub list_logins {	1590	sub list_logins {
1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1591	my $dirs = aio_readdir $PLAYERDIR
1047	or return [];	1592	or return [];
1048		1593
1049	my @logins;	1594	my @logins;
1050		1595
1051	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") {
1052	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1602	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1053	aio_read $fh, 0, 512, my $buf, 0 or next;	1603	aio_read $fh, 0, 512, my $buf, 0 or next;
1054	$buf !~ /^password -------------$/m or next; # official not-valid tag	1604	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1605	}
1055		1606
1056	utf8::decode $login;	1607	utf8::decode $login;
1057	push @logins, $login;	1608	push @logins, $login;
1058	}	1609	}
1059		1610
…		…
1067		1618
1068	=cut	1619	=cut
1069		1620
1070	sub maps($) {	1621	sub maps($) {
1071	my ($pl) = @_;	1622	my ($pl) = @_;
		1623
		1624	$pl = ref $pl ? $pl->ob->name : $pl;
1072		1625
1073	my $files = aio_readdir playerdir $pl	1626	my $files = aio_readdir playerdir $pl
1074	or return;	1627	or return;
1075		1628
1076	my @paths;	1629	my @paths;
…		…
1078	for (@$files) {	1631	for (@$files) {
1079	utf8::decode $_;	1632	utf8::decode $_;
1080	next if /\.(?:pl|pst)$/;	1633	next if /\.(?:pl|pst)$/;
1081	next unless /^$PATH_SEP/o;	1634	next unless /^$PATH_SEP/o;
1082		1635
1083	s/\.map$//;	1636	push @paths, cf::map::normalise "~$pl/$_";
1084	push @paths, "~" . $pl->ob->name . "/" . $_;
1085	}	1637	}
1086		1638
1087	\@paths	1639	\@paths
1088	}	1640	}
1089		1641
		1642	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1643
		1644	Expand deliantra pod fragments into protocol xml.
		1645
1090	=item $player->ext_reply ($msgid, $msgtype, %msg)	1646	=item $player->ext_reply ($msgid, @msg)
1091		1647
1092	Sends an ext reply to the player.	1648	Sends an ext reply to the player.
1093		1649
1094	=cut	1650	=cut
1095		1651
1096	sub ext_reply($$$%) {	1652	sub ext_reply($$@) {
1097	my ($self, $id, %msg) = @_;	1653	my ($self, $id, @msg) = @_;
1098		1654
1099	$msg{msgid} = $id;	1655	$self->ns->ext_reply ($id, @msg)
1100
1101	$self->send ("ext " . cf::to_json \%msg);
1102	}	1656	}
1103		1657
1104	package cf;	1658	=item $player->ext_msg ($type, @msg)
		1659
		1660	Sends an ext event to the client.
		1661
		1662	=cut
		1663
		1664	sub ext_msg($$@) {
		1665	my ($self, $type, @msg) = @_;
		1666
		1667	$self->ns->ext_msg ($type, @msg);
		1668	}
		1669
		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	}
1105		1698
1106	=back	1699	=back
1107
1108		1700
1109	=head3 cf::map	1701	=head3 cf::map
1110		1702
1111	=over 4	1703	=over 4
1112		1704
…		…
1124	our $MAX_RESET = 3600;	1716	our $MAX_RESET = 3600;
1125	our $DEFAULT_RESET = 3000;	1717	our $DEFAULT_RESET = 3000;
1126		1718
1127	sub generate_random_map {	1719	sub generate_random_map {
1128	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
1129	# mit "rum" bekleckern, nicht	1724	# mit "rum" bekleckern, nicht
1130	$self->_create_random_map (	1725	$self->_create_random_map (
1131	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1726	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1132	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1727	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1133	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1728	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1167	my ($self, $merge) = @_;	1762	my ($self, $merge) = @_;
1168		1763
1169	# we have to keep some variables in memory intact	1764	# we have to keep some variables in memory intact
1170	local $self->{path};	1765	local $self->{path};
1171	local $self->{load_path};	1766	local $self->{load_path};
1172	local $self->{deny_save};
1173	local $self->{deny_reset};
1174		1767
1175	$self->SUPER::thawer_merge ($merge);	1768	$self->SUPER::thawer_merge ($merge);
1176	}	1769	}
1177		1770
1178	sub normalise {	1771	sub normalise {
1179	my ($path, $base) = @_;	1772	my ($path, $base) = @_;
1180		1773
1181	$path = "$path"; # make sure its a string	1774	$path = "$path"; # make sure its a string
		1775
		1776	$path =~ s/\.map$//;
1182		1777
1183	# map plan:	1778	# map plan:
1184	#	1779	#
1185	# /! non-realised random map exit (special hack!)	1780	# /! non-realised random map exit (special hack!)
1186	# {... are special paths that are not being touched	1781	# {... are special paths that are not being touched
…		…
1223	$self->init; # pass $1 etc.	1818	$self->init; # pass $1 etc.
1224	return $self;	1819	return $self;
1225	}	1820	}
1226	}	1821	}
1227		1822
1228	Carp::carp "unable to resolve path '$path' (base '$base').";	1823	Carp::cluck "unable to resolve path '$path' (base '$base').";
1229	()	1824	()
1230	}	1825	}
1231		1826
1232	sub init {	1827	sub init {
1233	my ($self) = @_;	1828	my ($self) = @_;
…		…
1248		1843
1249	# the original (read-only) location	1844	# the original (read-only) location
1250	sub load_path {	1845	sub load_path {
1251	my ($self) = @_;	1846	my ($self) = @_;
1252		1847
1253	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1848	"$MAPDIR/$self->{path}.map"
1254	}	1849	}
1255		1850
1256	# the temporary/swap location	1851	# the temporary/swap location
1257	sub save_path {	1852	sub save_path {
1258	my ($self) = @_;	1853	my ($self) = @_;
1259		1854
1260	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1855	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1261	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1856	"$TMPDIR/$path.map"
1262	}	1857	}
1263		1858
1264	# the unique path, undef == no special unique path	1859	# the unique path, undef == no special unique path
1265	sub uniq_path {	1860	sub uniq_path {
1266	my ($self) = @_;	1861	my ($self) = @_;
1267		1862
1268	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1269	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1864	"$UNIQUEDIR/$path"
1270	}	1865	}
1271		1866
1272	# and all this just because we cannot iterate over	1867	sub decay_objects {
1273	# all maps in C++...
1274	sub change_all_map_light {
1275	my ($change) = @_;	1868	my ($self) = @_;
1276		1869
1277	$_->change_map_light ($change)	1870	return if $self->{deny_reset};
1278	for grep $_->outdoor, values %cf::MAP;	1871
		1872	$self->do_decay_objects;
1279	}	1873	}
1280		1874
1281	sub unlink_save {	1875	sub unlink_save {
1282	my ($self) = @_;	1876	my ($self) = @_;
1283		1877
…		…
1288		1882
1289	sub load_header_from($) {	1883	sub load_header_from($) {
1290	my ($self, $path) = @_;	1884	my ($self, $path) = @_;
1291		1885
1292	utf8::encode $path;	1886	utf8::encode $path;
1293	aio_open $path, O_RDONLY, 0	1887	my $f = new_from_file cf::object::thawer $path
1294	or return;	1888	or return;
1295		1889
1296	$self->_load_header ($path)	1890	$self->_load_header ($f)
1297	or return;	1891	or return;
		1892
		1893	local $MAP_LOADING{$self->{path}} = $self;
		1894	$f->resolve_delayed_derefs;
1298		1895
1299	$self->{load_path} = $path;	1896	$self->{load_path} = $path;
1300		1897
1301	1	1898	1
1302	}	1899	}
…		…
1341	$self->load_header_orig	1938	$self->load_header_orig
1342	or return;	1939	or return;
1343	$self->prepare_orig;	1940	$self->prepare_orig;
1344	}	1941	}
1345		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
1346	1	1949	1
1347	}	1950	}
1348		1951
1349	sub find;	1952	sub find;
1350	sub find {	1953	sub find {
1351	my ($path, $origin) = @_;	1954	my ($path, $origin) = @_;
1352		1955
1353	$path = normalise $path, $origin && $origin->path;	1956	$path = normalise $path, $origin && $origin->path;
1354		1957
		1958	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1355	cf::lock_wait "map_find:$path";	1959	my $guard2 = cf::lock_acquire "map_find:$path";
1356		1960
1357	$cf::MAP{$path} || do {	1961	$cf::MAP{$path} || do {
1358	my $guard = cf::lock_acquire "map_find:$path";
1359	my $map = new_from_path cf::map $path	1962	my $map = new_from_path cf::map $path
1360	or return;	1963	or return;
1361		1964
1362	$map->{last_save} = $cf::RUNTIME;	1965	$map->{last_save} = $cf::RUNTIME;
1363		1966
1364	$map->load_header	1967	$map->load_header
1365	or return;	1968	or return;
1366		1969
1367	if ($map->should_reset) {	1970	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1368	# doing this can freeze the server in a sync job, obviously	1971	# doing this can freeze the server in a sync job, obviously
1369	#$cf::WAIT_FOR_TICK->wait;	1972	#$cf::WAIT_FOR_TICK->wait;
		1973	undef $guard2;
		1974	undef $guard1;
1370	$map->reset;	1975	$map->reset;
1371	undef $guard;
1372	return find $path;	1976	return find $path;
1373	}	1977	}
1374		1978
1375	$cf::MAP{$path} = $map	1979	$cf::MAP{$path} = $map
1376	}	1980	}
…		…
1380	sub post_load { }	1984	sub post_load { }
1381		1985
1382	sub load {	1986	sub load {
1383	my ($self) = @_;	1987	my ($self) = @_;
1384		1988
		1989	local $self->{deny_reset} = 1; # loading can take a long time
		1990
1385	my $path = $self->{path};	1991	my $path = $self->{path};
		1992
		1993	{
1386	my $guard = cf::lock_acquire "map_load:$path";	1994	my $guard = cf::lock_acquire "map_data:$path";
1387		1995
		1996	return unless $self->valid;
1388	return if $self->in_memory != cf::MAP_SWAPPED;	1997	return unless $self->in_memory == cf::MAP_SWAPPED;
1389		1998
1390	$self->in_memory (cf::MAP_LOADING);	1999	$self->in_memory (cf::MAP_LOADING);
1391		2000
1392	$self->alloc;	2001	$self->alloc;
1393		2002
1394	$self->pre_load;	2003	$self->pre_load;
		2004	cf::cede_to_tick;
1395		2005
1396	$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)
1397	or return;	2009	or return;
1398		2010
1399	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2011	$self->post_load_original
1400	if delete $self->{load_original};	2012	if delete $self->{load_original};
1401		2013
1402	if (my $uniq = $self->uniq_path) {	2014	if (my $uniq = $self->uniq_path) {
1403	utf8::encode $uniq;	2015	utf8::encode $uniq;
1404	if (aio_open $uniq, O_RDONLY, 0) {	2016	unless (aio_stat $uniq) {
		2017	if (my $f = new_from_file cf::object::thawer $uniq) {
1405	$self->clear_unique_items;	2018	$self->clear_unique_items;
1406	$self->_load_objects ($uniq, 0);	2019	$self->_load_objects ($f);
		2020	$f->resolve_delayed_derefs;
		2021	}
1407	}	2022	}
1408	}	2023	}
1409		2024
1410	Coro::cede;	2025	$f->resolve_delayed_derefs;
1411		2026
		2027	cf::cede_to_tick;
1412	# now do the right thing for maps	2028	# now do the right thing for maps
1413	$self->link_multipart_objects;	2029	$self->link_multipart_objects;
1414
1415	unless ($self->{deny_activate}) {
1416	$self->decay_objects;
1417	$self->fix_auto_apply;
1418	$self->update_buttons;
1419	Coro::cede;
1420	$self->set_darkness_map;
1421	$self->difficulty ($self->estimate_difficulty)	2030	$self->difficulty ($self->estimate_difficulty)
1422	unless $self->difficulty;	2031	unless $self->difficulty;
1423	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;
1424	$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);
1425	}	2046	}
1426		2047
1427	$self->post_load;	2048	$self->post_load;
1428
1429	$self->in_memory (cf::MAP_IN_MEMORY);
1430	}	2049	}
1431		2050
1432	sub customise_for {	2051	sub customise_for {
1433	my ($self, $ob) = @_;	2052	my ($self, $ob) = @_;
1434		2053
1435	return find "~" . $ob->name . "/" . $self->{path}	2054	return find "~" . $ob->name . "/" . $self->{path}
1436	if $self->per_player;	2055	if $self->per_player;
1437		2056
		2057	# return find "?party/" . $ob->name . "/" . $self->{path}
		2058	# if $self->per_party;
		2059
1438	$self	2060	$self
1439	}	2061	}
1440		2062
1441	# 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
1442	sub load_diag {	2064	sub load_neighbours {
1443	my ($map) = @_;	2065	my ($map) = @_;
1444		2066
1445	my @diag; # diagonal neighbours	2067	my @neigh; # diagonal neighbours
1446		2068
1447	for (0 .. 3) {	2069	for (0 .. 3) {
1448	my $neigh = $map->tile_path ($_)	2070	my $neigh = $map->tile_path ($_)
1449	or next;	2071	or next;
1450	$neigh = find $neigh, $map	2072	$neigh = find $neigh, $map
1451	or next;	2073	or next;
1452	$neigh->load;	2074	$neigh->load;
1453		2075
		2076	push @neigh,
1454	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2077	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1455	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2078	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1456	}	2079	}
1457		2080
1458	for (@diag) {	2081	for (grep defined $_->[0], @neigh) {
		2082	my ($path, $origin) = @$_;
1459	my $neigh = find @$_	2083	my $neigh = find $path, $origin
1460	or next;	2084	or next;
1461	$neigh->load;	2085	$neigh->load;
1462	}	2086	}
1463	}	2087	}
1464		2088
…		…
1469	}	2093	}
1470		2094
1471	sub do_load_sync {	2095	sub do_load_sync {
1472	my ($map) = @_;	2096	my ($map) = @_;
1473		2097
		2098	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2099	if $Coro::current == $Coro::main;
		2100
1474	cf::sync_job { $map->load };	2101	cf::sync_job { $map->load };
1475	}	2102	}
1476		2103
1477	our %MAP_PREFETCH;	2104	our %MAP_PREFETCH;
1478	our $MAP_PREFETCHER = undef;	2105	our $MAP_PREFETCHER = undef;
1479		2106
1480	sub find_async {	2107	sub find_async {
1481	my ($path, $origin) = @_;	2108	my ($path, $origin, $load) = @_;
1482		2109
1483	$path = normalise $path, $origin && $origin->{path};	2110	$path = normalise $path, $origin && $origin->{path};
1484		2111
1485	if (my $map = $cf::MAP{$path}) {	2112	if (my $map = $cf::MAP{$path}) {
1486	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2113	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1487	}	2114	}
1488		2115
1489	undef $MAP_PREFETCH{$path};	2116	$MAP_PREFETCH{$path} |= $load;
		2117
1490	$MAP_PREFETCHER ||= cf::async {	2118	$MAP_PREFETCHER ||= cf::async {
		2119	$Coro::current->{desc} = "map prefetcher";
		2120
1491	while (%MAP_PREFETCH) {	2121	while (%MAP_PREFETCH) {
1492	for my $path (keys %MAP_PREFETCH) {	2122	while (my ($k, $v) = each %MAP_PREFETCH) {
1493	my $map = find $path	2123	if (my $map = find $k) {
1494	or next;
1495	$map->load;	2124	$map->load if $v;
		2125	}
1496		2126
1497	delete $MAP_PREFETCH{$path};	2127	delete $MAP_PREFETCH{$k};
1498	}	2128	}
1499	}	2129	}
1500	undef $MAP_PREFETCHER;	2130	undef $MAP_PREFETCHER;
1501	};	2131	};
1502	$MAP_PREFETCHER->prio (6);	2132	$MAP_PREFETCHER->prio (6);
…		…
1505	}	2135	}
1506		2136
1507	sub save {	2137	sub save {
1508	my ($self) = @_;	2138	my ($self) = @_;
1509		2139
1510	my $lock = cf::lock_acquire "map_data:" . $self->path;	2140	my $lock = cf::lock_acquire "map_data:$self->{path}";
1511		2141
1512	$self->{last_save} = $cf::RUNTIME;	2142	$self->{last_save} = $cf::RUNTIME;
1513		2143
1514	return unless $self->dirty;	2144	return unless $self->dirty;
1515		2145
…		…
1521	return if $self->{deny_save};	2151	return if $self->{deny_save};
1522		2152
1523	local $self->{last_access} = $self->last_access;#d#	2153	local $self->{last_access} = $self->last_access;#d#
1524		2154
1525	cf::async {	2155	cf::async {
		2156	$Coro::current->{desc} = "map player save";
1526	$_->contr->save for $self->players;	2157	$_->contr->save for $self->players;
1527	};	2158	};
		2159
		2160	cf::get_slot 0.02;
1528		2161
1529	if ($uniq) {	2162	if ($uniq) {
1530	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2163	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1531	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2164	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1532	} else {	2165	} else {
…		…
1538	my ($self) = @_;	2171	my ($self) = @_;
1539		2172
1540	# save first because save cedes	2173	# save first because save cedes
1541	$self->save;	2174	$self->save;
1542		2175
1543	my $lock = cf::lock_acquire "map_data:" . $self->path;	2176	my $lock = cf::lock_acquire "map_data:$self->{path}";
1544		2177
1545	return if $self->players;	2178	return if $self->players;
1546	return if $self->in_memory != cf::MAP_IN_MEMORY;	2179	return if $self->in_memory != cf::MAP_ACTIVE;
1547	return if $self->{deny_save};	2180	return if $self->{deny_save};
1548		2181
		2182	$self->in_memory (cf::MAP_SWAPPED);
		2183
		2184	$self->deactivate;
		2185	$_->clear_links_to ($self) for values %cf::MAP;
1549	$self->clear;	2186	$self->clear;
1550	$self->in_memory (cf::MAP_SWAPPED);
1551	}	2187	}
1552		2188
1553	sub reset_at {	2189	sub reset_at {
1554	my ($self) = @_;	2190	my ($self) = @_;
1555		2191
1556	# TODO: safety, remove and allow resettable per-player maps	2192	# TODO: safety, remove and allow resettable per-player maps
1557	return 1e99 if $self->isa ("ext::map_per_player");#d#
1558	return 1e99 if $self->{deny_reset};	2193	return 1e99 if $self->{deny_reset};
1559		2194
1560	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2195	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1561	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;
1562		2197
…		…
1573	my ($self) = @_;	2208	my ($self) = @_;
1574		2209
1575	my $lock = cf::lock_acquire "map_data:$self->{path}";	2210	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2211
1577	return if $self->players;	2212	return if $self->players;
1578	return if $self->isa ("ext::map_per_player");#d#
1579		2213
1580	warn "resetting map ", $self->path;#d#	2214	warn "resetting map ", $self->path;
		2215
		2216	$self->in_memory (cf::MAP_SWAPPED);
		2217
		2218	# need to save uniques path
		2219	unless ($self->{deny_save}) {
		2220	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2221
		2222	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2223	if $uniq;
		2224	}
1581		2225
1582	delete $cf::MAP{$self->path};	2226	delete $cf::MAP{$self->path};
1583		2227
1584	$self->in_memory (cf::MAP_SWAPPED);	2228	$self->deactivate;
		2229	$_->clear_links_to ($self) for values %cf::MAP;
1585	$self->clear;	2230	$self->clear;
1586
1587	$_->clear_links_to ($self) for values %cf::MAP;
1588		2231
1589	$self->unlink_save;	2232	$self->unlink_save;
1590	$self->destroy;	2233	$self->destroy;
1591	}	2234	}
1592		2235
1593	my $nuke_counter = "aaaa";	2236	my $nuke_counter = "aaaa";
1594		2237
1595	sub nuke {	2238	sub nuke {
1596	my ($self) = @_;	2239	my ($self) = @_;
1597		2240
		2241	{
		2242	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2243
1598	delete $cf::MAP{$self->path};	2244	delete $cf::MAP{$self->path};
1599		2245
1600	$self->unlink_save;	2246	$self->unlink_save;
1601		2247
1602	bless $self, "cf::map";	2248	bless $self, "cf::map";
1603	delete $self->{deny_reset};	2249	delete $self->{deny_reset};
1604	$self->{deny_save} = 1;	2250	$self->{deny_save} = 1;
1605	$self->reset_timeout (1);	2251	$self->reset_timeout (1);
1606	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2252	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1607		2253
1608	$cf::MAP{$self->path} = $self;	2254	$cf::MAP{$self->path} = $self;
		2255	}
1609		2256
1610	$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	]
1611	}	2294	}
1612		2295
1613	=item cf::map::unique_maps	2296	=item cf::map::unique_maps
1614		2297
1615	Returns an arrayref of paths of all shared maps that have	2298	Returns an arrayref of paths of all shared maps that have
1616	instantiated unique items. May block.	2299	instantiated unique items. May block.
1617		2300
1618	=cut	2301	=cut
1619		2302
1620	sub unique_maps() {	2303	sub unique_maps() {
1621	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2304	[
1622	or return;	2305	map {
1623
1624	my @paths;
1625
1626	for (@$files) {
1627	utf8::decode $_;	2306	utf8::decode $_;
1628	next if /\.pst$/;	2307	s/\.map$//; # TODO future compatibility hack
1629	next unless /^$PATH_SEP/o;	2308	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1630		2309	? ()
1631	s/\.map$//;	2310	: normalise $_
1632	push @paths, $_;	2311	} @{ aio_readdir $UNIQUEDIR or [] }
1633	}	2312	]
1634
1635	\@paths
1636	}	2313	}
1637
1638	package cf;
1639		2314
1640	=back	2315	=back
1641		2316
1642	=head3 cf::object	2317	=head3 cf::object
1643		2318
…		…
1647		2322
1648	=over 4	2323	=over 4
1649		2324
1650	=item $ob->inv_recursive	2325	=item $ob->inv_recursive
1651		2326
1652	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.
1653		2329
1654	=cut	2330	=cut
1655		2331
1656	sub inv_recursive_;	2332	sub inv_recursive_;
1657	sub inv_recursive_ {	2333	sub inv_recursive_ {
…		…
1660		2336
1661	sub inv_recursive {	2337	sub inv_recursive {
1662	inv_recursive_ inv $_[0]	2338	inv_recursive_ inv $_[0]
1663	}	2339	}
1664		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
1665	package cf;	2369	package cf;
1666		2370
1667	=back	2371	=back
1668		2372
1669	=head3 cf::object::player	2373	=head3 cf::object::player
…		…
1675	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>
1676	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
1677	dialogue with the given NPC character.	2381	dialogue with the given NPC character.
1678		2382
1679	=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	};
1680		2398
1681	# rough implementation of a future "reply" method that works	2399	# rough implementation of a future "reply" method that works
1682	# with dialog boxes.	2400	# with dialog boxes.
1683	#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
1684	sub cf::object::player::reply($$$;$) {	2402	sub cf::object::player::reply($$$;$) {
…		…
1686		2404
1687	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2405	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1688		2406
1689	if ($self->{record_replies}) {	2407	if ($self->{record_replies}) {
1690	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2408	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2409
1691	} 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 {
1692	$msg = $npc->name . " says: $msg" if $npc;	2418	$msg = $npc->name . " says: $msg" if $npc;
1693	$self->message ($msg, $flags);	2419	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2420	}
1694	}	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 (@_);
1695	}	2432	}
1696		2433
1697	=item $player_object->may ("access")	2434	=item $player_object->may ("access")
1698		2435
1699	Returns wether the given player is authorized to access resource "access"	2436	Returns wether the given player is authorized to access resource "access"
…		…
1712		2449
1713	=item $player_object->enter_link	2450	=item $player_object->enter_link
1714		2451
1715	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}>).
1716		2453
1717	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.
1718	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.
1719		2458
1720	Will never block.	2459	Will never block.
1721		2460
1722	=item $player_object->leave_link ($map, $x, $y)	2461	=item $player_object->leave_link ($map, $x, $y)
1723		2462
…		…
1731	=cut	2470	=cut
1732		2471
1733	sub link_map {	2472	sub link_map {
1734	unless ($LINK_MAP) {	2473	unless ($LINK_MAP) {
1735	$LINK_MAP = cf::map::find "{link}"	2474	$LINK_MAP = cf::map::find "{link}"
1736	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2475	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1737	$LINK_MAP->load;	2476	$LINK_MAP->load;
1738	}	2477	}
1739		2478
1740	$LINK_MAP	2479	$LINK_MAP
1741	}	2480	}
…		…
1746	$self->deactivate_recursive;	2485	$self->deactivate_recursive;
1747		2486
1748	return if UNIVERSAL::isa $self->map, "ext::map_link";	2487	return if UNIVERSAL::isa $self->map, "ext::map_link";
1749		2488
1750	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2489	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1751	if $self->map;	2490	if $self->map && $self->map->{path} ne "{link}";
1752		2491
1753	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2492	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1754	}	2493	}
1755		2494
1756	sub cf::object::player::leave_link {	2495	sub cf::object::player::leave_link {
1757	my ($self, $map, $x, $y) = @_;	2496	my ($self, $map, $x, $y) = @_;
		2497
		2498	return unless $self->contr->active;
1758		2499
1759	my $link_pos = delete $self->{_link_pos};	2500	my $link_pos = delete $self->{_link_pos};
1760		2501
1761	unless ($map) {	2502	unless ($map) {
1762	# restore original map position	2503	# restore original map position
…		…
1776	# use -1 or undef as default coordinates, not 0, 0	2517	# use -1 or undef as default coordinates, not 0, 0
1777	($x, $y) = ($map->enter_x, $map->enter_y)	2518	($x, $y) = ($map->enter_x, $map->enter_y)
1778	if $x <=0 && $y <= 0;	2519	if $x <=0 && $y <= 0;
1779		2520
1780	$map->load;	2521	$map->load;
1781	$map->load_diag;	2522	$map->load_neighbours;
1782		2523
1783	return unless $self->contr->active;	2524	return unless $self->contr->active;
		2525	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1784	$self->activate_recursive;	2526	$self->activate_recursive;
		2527
		2528	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1785	$self->enter_map ($map, $x, $y);	2529	$self->enter_map ($map, $x, $y);
1786	}	2530	}
1787		2531
1788	cf::player->attach (	2532	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1789	on_logout => sub {
1790	my ($pl) = @_;
1791		2533
1792	# abort map switching before logout	2534	Moves the player to the given map-path and coordinates by first freezing
1793	if ($pl->ob->{_link_pos}) {	2535	her, loading and preparing them map, calling the provided $check callback
1794	cf::sync_job {	2536	that has to return the map if sucecssful, and then unfreezes the player on
1795	$pl->ob->leave_link	2537	the new (success) or old (failed) map position. In either case, $done will
1796	};	2538	be called at the end of this process.
1797	}
1798	},
1799	on_login => sub {
1800	my ($pl) = @_;
1801		2539
1802	# try to abort aborted map switching on player login :)	2540	Note that $check will be called with a potentially non-loaded map, so if
1803	# should happen only on crashes	2541	it needs a loaded map it has to call C<< ->load >>.
1804	if ($pl->ob->{_link_pos}) {
1805	$pl->ob->enter_link;
1806	(async {
1807	# we need this sleep as the login has a concurrent enter_exit running
1808	# and this sleep increases chances of the player not ending up in scorn
1809	$pl->ob->reply (undef,
1810	"There was an internal problem at your last logout, "
1811	. "the server will try to bring you to your intended destination in a second.",
1812	cf::NDI_RED);
1813	Coro::Timer::sleep 1;
1814	$pl->ob->leave_link;
1815	})->prio (2);
1816	}
1817	},
1818	);
1819		2542
1820	=item $player_object->goto ($path, $x, $y)
1821
1822	=cut	2543	=cut
		2544
		2545	our $GOTOGEN;
1823		2546
1824	sub cf::object::player::goto {	2547	sub cf::object::player::goto {
1825	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;
1826		2552
1827	$self->enter_link;	2553	$self->enter_link;
1828		2554
1829	(async {	2555	(async {
1830	my $map = cf::map::find $path;	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
		2577	my $map = eval {
		2578	my $map = defined $path ? cf::map::find $path : undef;
		2579
		2580	if ($map) {
1831	$map = $map->customise_for ($self) if $map;	2581	$map = $map->customise_for ($self);
1832		2582	$map = $check->($map) if $check && $map;
1833	# warn "entering ", $map->path, " at ($x, $y)\n"	2583	} else {
1834	# if $map;
1835
1836	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2584	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2585	}
1837		2586
		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 $@;
		2593	}
		2594
		2595	if ($gen == $self->{_goto_generation}) {
		2596	delete $self->{_goto_generation};
1838	$self->leave_link ($map, $x, $y);	2597	$self->leave_link ($map, $x, $y);
		2598	}
		2599
		2600	$done->() if $done;
1839	})->prio (1);	2601	})->prio (1);
1840	}	2602	}
1841		2603
1842	=item $player_object->enter_exit ($exit_object)	2604	=item $player_object->enter_exit ($exit_object)
1843		2605
…		…
1863	}	2625	}
1864		2626
1865	sub prepare_random_map {	2627	sub prepare_random_map {
1866	my ($exit) = @_;	2628	my ($exit) = @_;
1867		2629
1868	my $guard = cf::lock_acquire "exit_prepare:$exit";
1869
1870	# all this does is basically replace the /! path by	2630	# all this does is basically replace the /! path by
1871	# a new random map path (?random/...) with a seed	2631	# a new random map path (?random/...) with a seed
1872	# that depends on the exit object	2632	# that depends on the exit object
1873		2633
1874	my $rmp = parse_random_map_params $exit->msg;	2634	my $rmp = parse_random_map_params $exit->msg;
1875		2635
1876	if ($exit->map) {	2636	if ($exit->map) {
1877	$rmp->{region} = $exit->map->region_name;	2637	$rmp->{region} = $exit->region->name;
1878	$rmp->{origin_map} = $exit->map->path;	2638	$rmp->{origin_map} = $exit->map->path;
1879	$rmp->{origin_x} = $exit->x;	2639	$rmp->{origin_x} = $exit->x;
1880	$rmp->{origin_y} = $exit->y;	2640	$rmp->{origin_y} = $exit->y;
		2641
		2642	$exit->map->touch;
1881	}	2643	}
1882		2644
1883	$rmp->{random_seed} ||= $exit->random_seed;	2645	$rmp->{random_seed} ||= $exit->random_seed;
1884		2646
1885	my $data = cf::to_json $rmp;	2647	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1886	my $md5 = Digest::MD5::md5_hex $data;	2648	my $md5 = Digest::MD5::md5_hex $data;
1887	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2649	my $meta = "$RANDOMDIR/$md5.meta";
1888		2650
1889	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2651	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1890	aio_write $fh, 0, (length $data), $data, 0;	2652	aio_write $fh, 0, (length $data), $data, 0;
1891	undef $fh;	2653	undef $fh;
1892	aio_rename "$meta~", $meta;	2654	aio_rename "$meta~", $meta;
1893		2655
		2656	my $slaying = "?random/$md5";
		2657
		2658	if ($exit->valid) {
1894	$exit->slaying ("?random/$md5");	2659	$exit->slaying ("?random/$md5");
1895	$exit->msg (undef);	2660	$exit->msg (undef);
		2661	}
1896	}	2662	}
1897	}	2663	}
1898		2664
1899	sub cf::object::player::enter_exit {	2665	sub cf::object::player::enter_exit {
1900	my ($self, $exit) = @_;	2666	my ($self, $exit) = @_;
…		…
1902	return unless $self->type == cf::PLAYER;	2668	return unless $self->type == cf::PLAYER;
1903		2669
1904	$self->enter_link;	2670	$self->enter_link;
1905		2671
1906	(async {	2672	(async {
1907	$self->deactivate_recursive; # just to be sure	2673	$Coro::current->{desc} = "enter_exit";
		2674
1908	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
1909	prepare_random_map $exit	2682	prepare_random_map $exit
1910	if $exit->slaying eq "/!";	2683	if $exit->slaying eq "/!";
		2684	}
1911		2685
1912	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;	2686	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1913	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2687	my $x = $exit->stats->hp;
		2688	my $y = $exit->stats->sp;
1914		2689
		2690	$self->goto ($map, $x, $y);
		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
1915	1;	2696	1
1916	}) {	2697	}) {
1917	$self->message ("Something went wrong deep within the crossfire server. "	2698	$self->message ("Something went wrong deep within the deliantra server. "
1918	. "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. "
1919	. "Please report this to the dungeon master!",	2700	. "Please report this to the dungeon master!",
1920	cf::NDI_UNIQUE | cf::NDI_RED);	2701	cf::NDI_UNIQUE | cf::NDI_RED);
1921		2702
1922	warn "ERROR in enter_exit: $@";	2703	warn "ERROR in enter_exit: $@";
1923	$self->leave_link;	2704	$self->leave_link;
1924	}	2705	}
1925	})->prio (1);	2706	})->prio (1);
…		…
1938		2719
1939	sub cf::client::send_drawinfo {	2720	sub cf::client::send_drawinfo {
1940	my ($self, $text, $flags) = @_;	2721	my ($self, $text, $flags) = @_;
1941		2722
1942	utf8::encode $text;	2723	utf8::encode $text;
1943	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2724	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1944	}	2725	}
1945		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
		2851	=item $client->ext_msg ($type, @msg)
		2852
		2853	Sends an ext event to the client.
		2854
		2855	=cut
		2856
		2857	sub cf::client::ext_msg($$@) {
		2858	my ($self, $type, @msg) = @_;
		2859
		2860	if ($self->extcmd == 2) {
		2861	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2862	} elsif ($self->extcmd == 1) { # TODO: remove
		2863	push @msg, msgtype => "event_$type";
		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	}
		2884	}
1946		2885
1947	=item $success = $client->query ($flags, "text", \&cb)	2886	=item $success = $client->query ($flags, "text", \&cb)
1948		2887
1949	Queues a query to the client, calling the given callback with	2888	Queues a query to the client, calling the given callback with
1950	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>,
1951	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>.
1952		2891
1953	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
1954	reliable at some point in the future.	2893	become reliable at some point in the future.
1955		2894
1956	=cut	2895	=cut
1957		2896
1958	sub cf::client::query {	2897	sub cf::client::query {
1959	my ($self, $flags, $text, $cb) = @_;	2898	my ($self, $flags, $text, $cb) = @_;
…		…
1967	utf8::encode $text;	2906	utf8::encode $text;
1968	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2907	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1969		2908
1970	$self->send_packet ($self->{query_queue}[0][0])	2909	$self->send_packet ($self->{query_queue}[0][0])
1971	if @{ $self->{query_queue} } == 1;	2910	if @{ $self->{query_queue} } == 1;
		2911
		2912	1
1972	}	2913	}
1973		2914
1974	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	},
1975	on_reply => sub {	2921	on_reply => sub {
1976	my ($ns, $msg) = @_;	2922	my ($ns, $msg) = @_;
1977		2923
1978	# this weird shuffling is so that direct followup queries	2924	# this weird shuffling is so that direct followup queries
1979	# get handled first	2925	# get handled first
1980	my $queue = delete $ns->{query_queue}	2926	my $queue = delete $ns->{query_queue}
1981	or return; # be conservative, not sure how that can happen, but we saw a crash here	2927	or return; # be conservative, not sure how that can happen, but we saw a crash here
1982		2928
1983	(shift @$queue)->[1]->($msg);	2929	(shift @$queue)->[1]->($msg);
		2930	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1984		2931
1985	push @{ $ns->{query_queue} }, @$queue;	2932	push @{ $ns->{query_queue} }, @$queue;
1986		2933
1987	if (@{ $ns->{query_queue} } == @$queue) {	2934	if (@{ $ns->{query_queue} } == @$queue) {
1988	if (@$queue) {	2935	if (@$queue) {
…		…
1990	} else {	2937	} else {
1991	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2938	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1992	}	2939	}
1993	}	2940	}
1994	},	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	},
1995	);	2968	);
1996		2969
1997	=item $client->async (\&cb)	2970	=item $client->async (\&cb)
1998		2971
1999	Create a new coroutine, running the specified callback. The coroutine will	2972	Create a new coroutine, running the specified callback. The coroutine will
…		…
2040	our $safe = new Safe "safe";	3013	our $safe = new Safe "safe";
2041	our $safe_hole = new Safe::Hole;	3014	our $safe_hole = new Safe::Hole;
2042		3015
2043	$SIG{FPE} = 'IGNORE';	3016	$SIG{FPE} = 'IGNORE';
2044		3017
2045	$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	));
2046		3023
2047	# here we export the classes and methods available to script code	3024	# here we export the classes and methods available to script code
2048		3025
2049	=pod	3026	=pod
2050		3027
2051	The following fucntions and emthods are available within a safe environment:	3028	The following functions and methods are available within a safe environment:
2052		3029
2053	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
2054	cf::object::player player	3034	cf::object::player
2055	cf::player peaceful	3035	player
2056	cf::map trigger	3036
		3037	cf::player
		3038	peaceful
		3039
		3040	cf::map
		3041	trigger
2057		3042
2058	=cut	3043	=cut
2059		3044
2060	for (	3045	for (
2061	["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)],
2062	["cf::object::player" => qw(player)],	3049	["cf::object::player" => qw(player)],
2063	["cf::player" => qw(peaceful)],	3050	["cf::player" => qw(peaceful)],
2064	["cf::map" => qw(trigger)],	3051	["cf::map" => qw(trigger)],
2065	) {	3052	) {
2066	no strict 'refs';	3053	no strict 'refs';
…		…
2137	=back	3124	=back
2138		3125
2139	=cut	3126	=cut
2140		3127
2141	#############################################################################	3128	#############################################################################
		3129	# the server's init and main functions
2142		3130
2143	=head2 EXTENSION DATABASE SUPPORT	3131	sub load_facedata($) {
		3132	my ($path) = @_;
2144		3133
2145	Crossfire maintains a very simple database for extension use. It can	3134	# HACK to clear player env face cache, we need some signal framework
2146	currently store anything that can be serialised using Storable, which	3135	# for this (global event?)
2147	excludes objects.	3136	%ext::player_env::MUSIC_FACE_CACHE = ();
2148		3137
2149	The parameter C<$family> should best start with the name of the extension	3138	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2150	using it, it should be unique.
2151		3139
2152	=over 4	3140	warn "loading facedata from $path\n";
2153		3141
2154	=item $hashref = cf::db_get $family	3142	my $facedata;
		3143	0 < aio_load $path, $facedata
		3144	or die "$path: $!";
2155		3145
2156	Return a hashref for use by the extension C<$family>, which can be	3146	$facedata = Coro::Storable::thaw $facedata;
2157	modified. After modifications, you have to call C<cf::db_dirty> or
2158	C<cf::db_sync>.
2159		3147
2160	=item $value = cf::db_get $family => $key	3148	$facedata->{version} == 2
		3149	or cf::cleanup "$path: version mismatch, cannot proceed.";
2161		3150
2162	Returns a single value from the database	3151	# patch in the exptable
2163		3152	$facedata->{resource}{"res/exp_table"} = {
2164	=item cf::db_put $family => $hashref	3153	type => FT_RSRC,
2165		3154	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2166	Stores the given family hashref into the database. Updates are delayed, if
2167	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2168
2169	=item cf::db_put $family => $key => $value
2170
2171	Stores the given C<$value> in the family hash. Updates are delayed, if you
2172	want the data to be synced to disk immediately, use C<cf::db_sync>.
2173
2174	=item cf::db_dirty
2175
2176	Marks the database as dirty, to be updated at a later time.
2177
2178	=item cf::db_sync
2179
2180	Immediately write the database to disk I<if it is dirty>.
2181
2182	=cut
2183
2184	our $DB;
2185
2186	{
2187	my $path = cf::localdir . "/database.pst";
2188
2189	sub db_load() {
2190	$DB = stat $path ? Storable::retrieve $path : { };
2191	}	3155	};
		3156	cf::cede_to_tick;
2192		3157
2193	my $pid;
2194
2195	sub db_save() {
2196	waitpid $pid, 0 if $pid;
2197	if (0 == ($pid = fork)) {
2198	$DB->{_meta}{version} = 1;
2199	Storable::nstore $DB, "$path~";
2200	rename "$path~", $path;
2201	cf::_exit 0 if defined $pid;
2202	}
2203	}	3158	{
		3159	my $faces = $facedata->{faceinfo};
2204		3160
2205	my $dirty;	3161	while (my ($face, $info) = each %$faces) {
		3162	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2206		3163
2207	sub db_sync() {	3164	cf::face::set_visibility $idx, $info->{visibility};
2208	db_save if $dirty;	3165	cf::face::set_magicmap $idx, $info->{magicmap};
2209	undef $dirty;	3166	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2210	}	3167	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2211		3168
2212	my $idle = Event->idle (	3169	cf::cede_to_tick;
2213	reentrant => 0,
2214	min => 10,
2215	max => 20,
2216	repeat => 0,
2217	data => WF_AUTOCANCEL,
2218	cb => \&db_sync,
2219	);
2220
2221	sub db_dirty() {
2222	$dirty = 1;
2223	$idle->start;
2224	}
2225
2226	sub db_get($;$) {
2227	@_ >= 2
2228	? $DB->{$_[0]}{$_[1]}
2229	: ($DB->{$_[0]} ||= { })
2230	}
2231
2232	sub db_put($$;$) {
2233	if (@_ >= 3) {
2234	$DB->{$_[0]}{$_[1]} = $_[2];
2235	} else {
2236	$DB->{$_[0]} = $_[1];
2237	}
2238	db_dirty;
2239	}
2240
2241	cf::global->attach (
2242	prio => 10000,
2243	on_cleanup => sub {
2244	db_sync;
2245	},	3170	}
2246	);
2247	}
2248		3171
2249	#############################################################################	3172	while (my ($face, $info) = each %$faces) {
2250	# the server's main()	3173	next unless $info->{smooth};
2251		3174
2252	sub cfg_load {	3175	my $idx = cf::face::find $face
		3176	or next;
		3177
		3178	if (my $smooth = cf::face::find $info->{smooth}) {
		3179	cf::face::set_smooth $idx, $smooth;
		3180	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3181	} else {
		3182	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3183	}
		3184
		3185	cf::cede_to_tick;
		3186	}
		3187	}
		3188
		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);
		3234
		3235	1
		3236	}
		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
		3305	sub reload_resources {
		3306	warn "reloading resource files...\n";
		3307
		3308	reload_facedata;
		3309	reload_archetypes;
		3310	reload_regions;
		3311	reload_treasures;
		3312
		3313	warn "finished reloading resource files\n";
		3314	}
		3315
		3316	sub reload_config {
2253	open my $fh, "<:utf8", cf::confdir . "/config"	3317	open my $fh, "<:utf8", "$CONFDIR/config"
2254	or return;	3318	or return;
2255		3319
2256	local $/;	3320	local $/;
2257	*CFG = YAML::Syck::Load <$fh>;	3321	*CFG = YAML::Load <$fh>;
2258		3322
2259	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3323	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2260		3324
2261	$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};
2262	$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};
…		…
2268	};	3332	};
2269	warn $@ if $@;	3333	warn $@ if $@;
2270	}	3334	}
2271	}	3335	}
2272		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
2273	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
2274	# we must not ever block the main coroutine	3371	# we must not ever block the main coroutine
2275	local $Coro::idle = sub {	3372	local $Coro::idle = sub {
2276	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#
2277	(async {	3374	(async {
2278	Event::one_event;	3375	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3376	EV::loop EV::LOOP_ONESHOT;
2279	})->prio (Coro::PRIO_MAX);	3377	})->prio (Coro::PRIO_MAX);
2280	};	3378	};
2281		3379
2282	cfg_load;	3380	evthread_start IO::AIO::poll_fileno;
2283	db_load;	3381
		3382	cf::sync_job {
		3383	reload_resources;
		3384	reload_config;
		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
2284	load_extensions;	3398	load_extensions;
2285		3399
2286	$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
2287	Event::loop;	3408	EV::loop;
2288	}	3409	}
2289		3410
2290	#############################################################################	3411	#############################################################################
2291	# initialisation and cleanup	3412	# initialisation and cleanup
2292		3413
2293	# install some emergency cleanup handlers	3414	# install some emergency cleanup handlers
2294	BEGIN {	3415	BEGIN {
		3416	our %SIGWATCHER = ();
2295	for my $signal (qw(INT HUP TERM)) {	3417	for my $signal (qw(INT HUP TERM)) {
2296	Event->signal (	3418	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2297	reentrant => 0,
2298	data => WF_AUTOCANCEL,
2299	signal => $signal,
2300	prio => 0,
2301	cb => sub {
2302	cf::cleanup "SIG$signal";	3419	cf::cleanup "SIG$signal";
2303	},
2304	);	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
2305	}	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 };
2306	}	3508	}
2307		3509
2308	sub emergency_save() {	3510	sub emergency_save() {
2309	my $freeze_guard = cf::freeze_mainloop;	3511	my $freeze_guard = cf::freeze_mainloop;
2310		3512
2311	warn "enter emergency perl save\n";	3513	warn "emergency_perl_save: enter\n";
2312		3514
2313	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
2314	# use a peculiar iteration method to avoid tripping on perl	3521	# use a peculiar iteration method to avoid tripping on perl
2315	# refcount bugs in for. also avoids problems with players	3522	# refcount bugs in for. also avoids problems with players
2316	# and maps saved/destroyed asynchronously.	3523	# and maps saved/destroyed asynchronously.
2317	warn "begin emergency player save\n";	3524	warn "emergency_perl_save: begin player save\n";
2318	for my $login (keys %cf::PLAYER) {	3525	for my $login (keys %cf::PLAYER) {
2319	my $pl = $cf::PLAYER{$login} or next;	3526	my $pl = $cf::PLAYER{$login} or next;
2320	$pl->valid or next;	3527	$pl->valid or next;
		3528	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2321	$pl->save;	3529	$pl->save;
2322	}	3530	}
2323	warn "end emergency player save\n";	3531	warn "emergency_perl_save: end player save\n";
2324		3532
2325	warn "begin emergency map save\n";	3533	warn "emergency_perl_save: begin map save\n";
2326	for my $path (keys %cf::MAP) {	3534	for my $path (keys %cf::MAP) {
2327	my $map = $cf::MAP{$path} or next;	3535	my $map = $cf::MAP{$path} or next;
2328	$map->valid or next;	3536	$map->valid or next;
2329	$map->save;	3537	$map->save;
2330	}	3538	}
2331	warn "end emergency map save\n";	3539	warn "emergency_perl_save: end map save\n";
		3540
		3541	warn "emergency_perl_save: begin database checkpoint\n";
		3542	BDB::db_env_txn_checkpoint $DB_ENV;
		3543	warn "emergency_perl_save: end database checkpoint\n";
		3544
		3545	warn "emergency_perl_save: begin write uuid\n";
		3546	write_uuid_sync 1;
		3547	warn "emergency_perl_save: end write uuid\n";
2332	};	3548	};
2333		3549
		3550	warn "emergency_perl_save: starting sync()\n";
		3551	IO::AIO::aio_sync sub {
		3552	warn "emergency_perl_save: finished sync()\n";
		3553	};
		3554
2334	warn "leave emergency perl save\n";	3555	warn "emergency_perl_save: leave\n";
2335	}	3556	}
2336		3557
		3558	sub post_cleanup {
		3559	my ($make_core) = @_;
		3560
		3561	warn Carp::longmess "post_cleanup backtrace"
		3562	if $make_core;
		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
2337	sub reload() {	3594	sub do_reload_perl() {
2338	# can/must only be called in main	3595	# can/must only be called in main
2339	if ($Coro::current != $Coro::main) {	3596	if ($Coro::current != $Coro::main) {
2340	warn "can only reload from main coroutine";	3597	warn "can only reload from main coroutine";
2341	return;	3598	return;
2342	}	3599	}
2343		3600
		3601	return if $RELOAD++;
		3602
		3603	my $t1 = EV::time;
		3604
		3605	while ($RELOAD) {
2344	warn "reloading...";	3606	warn "reloading...";
2345		3607
2346	warn "cancelling server ticker";	3608	warn "entering sync_job";
2347	$TICK_WATCHER->cancel;
2348		3609
		3610	cf::sync_job {
		3611	cf::write_runtime_sync; # external watchdog should not bark
2349	cf::emergency_save;	3612	cf::emergency_save;
		3613	cf::write_runtime_sync; # external watchdog should not bark
2350		3614
2351	eval {	3615	warn "syncing database to disk";
		3616	BDB::db_env_txn_checkpoint $DB_ENV;
		3617
2352	# 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
2353		3619
2354	warn "syncing database to disk";
2355	cf::db_sync;
2356
2357	warn "cancelling all WF_AUTOCANCEL watchers";
2358	for (Event::all_watchers) {
2359	$_->cancel if $_->data & WF_AUTOCANCEL;
2360	}
2361
2362	warn "flushing outstanding aio requests";	3620	warn "flushing outstanding aio requests";
2363	for (;;) {	3621	while (IO::AIO::nreqs || BDB::nreqs) {
2364	IO::AIO::flush;	3622	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2365	Coro::cede;
2366	last unless IO::AIO::nreqs;
2367	warn "iterate...";
2368	}
2369
2370	warn "cancelling all extension coros";
2371	$_->cancel for values %EXT_CORO;
2372	%EXT_CORO = ();
2373
2374	warn "removing commands";
2375	%COMMAND = ();
2376
2377	warn "removing ext commands";
2378	%EXTCMD = ();
2379
2380	warn "unloading/nuking all extensions";
2381	for my $pkg (@EXTS) {
2382	warn "... unloading $pkg";
2383
2384	if (my $cb = $pkg->can ("unload")) {
2385	eval {
2386	$cb->($pkg);
2387	1
2388	} or warn "$pkg unloaded, but with errors: $@";
2389	}	3623	}
2390		3624
2391	warn "... nuking $pkg";	3625	warn "cancelling all extension coros";
2392	Symbol::delete_package $pkg;	3626	$_->cancel for values %EXT_CORO;
2393	}	3627	%EXT_CORO = ();
2394		3628
2395	warn "unloading all perl modules loaded from $LIBDIR";	3629	warn "removing commands";
2396	while (my ($k, $v) = each %INC) {	3630	%COMMAND = ();
2397	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2398		3631
		3632	warn "removing ext/exti commands";
		3633	%EXTCMD = ();
		3634	%EXTICMD = ();
		3635
		3636	warn "unloading/nuking all extensions";
		3637	for my $pkg (@EXTS) {
2399	warn "... unloading $k";	3638	warn "... unloading $pkg";
2400	delete $INC{$k};
2401		3639
2402	$k =~ s/\.pm$//;
2403	$k =~ s/\//::/g;
2404
2405	if (my $cb = $k->can ("unload_module")) {	3640	if (my $cb = $pkg->can ("unload")) {
		3641	eval {
2406	$cb->();	3642	$cb->($pkg);
		3643	1
		3644	} or warn "$pkg unloaded, but with errors: $@";
		3645	}
		3646
		3647	warn "... clearing $pkg";
		3648	clear_package $pkg;
2407	}	3649	}
2408		3650
2409	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;
2410	}	3666	}
2411		3667
2412	warn "getting rid of safe::, as good as possible";	3668	warn "getting rid of safe::, as good as possible";
2413	Symbol::delete_package "safe::$_"	3669	clear_package "safe::$_"
2414	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);
2415		3671
2416	warn "unloading cf.pm \"a bit\"";	3672	warn "unloading cf.pm \"a bit\"";
2417	delete $INC{"cf.pm"};	3673	delete $INC{"cf.pm"};
		3674	delete $INC{"cf/pod.pm"};
2418		3675
2419	# don't, removes xs symbols, too,	3676	# don't, removes xs symbols, too,
2420	# and global variables created in xs	3677	# and global variables created in xs
2421	#Symbol::delete_package __PACKAGE__;	3678	#clear_package __PACKAGE__;
2422		3679
2423	warn "unload completed, starting to reload now";	3680	warn "unload completed, starting to reload now";
2424		3681
2425	warn "reloading cf.pm";	3682	warn "reloading cf.pm";
2426	require cf;	3683	require cf;
2427	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3684	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2428		3685
2429	warn "loading config and database again";	3686	warn "loading config and database again";
2430	cf::cfg_load;	3687	cf::reload_config;
2431	cf::db_load;
2432		3688
2433	warn "loading extensions";	3689	warn "loading extensions";
2434	cf::load_extensions;	3690	cf::load_extensions;
2435		3691
		3692	if ($REATTACH_ON_RELOAD) {
2436	warn "reattaching attachments to objects/players";	3693	warn "reattaching attachments to objects/players";
2437	_global_reattach;	3694	_global_reattach; # objects, sockets
2438	warn "reattaching attachments to maps";	3695	warn "reattaching attachments to maps";
2439	reattach $_ for values %MAP;	3696	reattach $_ for values %MAP;
		3697	warn "reattaching attachments to players";
		3698	reattach $_ for values %PLAYER;
		3699	}
2440		3700
2441	warn "restarting server ticker";	3701	warn "running post_init jobs";
		3702	(pop @POST_INIT)->(1) while @POST_INIT;
2442		3703
2443	$TICK_WATCHER->start;	3704	warn "leaving sync_job";
		3705
		3706	1
		3707	} or do {
		3708	warn $@;
		3709	cf::cleanup "error while reloading, exiting.";
		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	};
2444	};	3733	};
2445		3734	}
2446	if ($@) {
2447	warn $@;
2448	warn "error while reloading, exiting.";
2449	exit 1;
2450	}
2451
2452	warn "reloaded";
2453	};
2454
2455	our $RELOAD_WATCHER; # used only during reload
2456		3735
2457	register_command "reload" => sub {	3736	register_command "reload" => sub {
2458	my ($who, $arg) = @_;	3737	my ($who, $arg) = @_;
2459		3738
2460	if ($who->flag (FLAG_WIZ)) {	3739	if ($who->flag (FLAG_WIZ)) {
2461	$who->message ("reloading server.");	3740	$who->message ("reloading server.");
2462		3741	async {
2463	# doing reload synchronously and two reloads happen back-to-back,	3742	$Coro::current->{desc} = "perl_reload";
2464	# coro crashes during coro_state_free->destroy here.
2465
2466	$RELOAD_WATCHER ||= Event->timer (
2467	reentrant => 0,
2468	after => 0,
2469	data => WF_AUTOCANCEL,
2470	cb => sub {
2471	reload;	3743	reload_perl;
2472	undef $RELOAD_WATCHER;
2473	},
2474	);	3744	};
2475	}	3745	}
2476	};	3746	};
2477		3747
2478	unshift @INC, $LIBDIR;	3748	unshift @INC, $LIBDIR;
2479		3749
2480	my $bug_warning = 0;	3750	my $bug_warning = 0;
2481		3751
2482	$TICK_WATCHER = Event->timer (	3752	our @WAIT_FOR_TICK;
2483	reentrant => 0,	3753	our @WAIT_FOR_TICK_BEGIN;
2484	parked => 1,	3754
2485	prio => 0,	3755	sub wait_for_tick {
2486	at => $NEXT_TICK || $TICK,	3756	return if tick_inhibit || $Coro::current == $Coro::main;
2487	data => WF_AUTOCANCEL,	3757
2488	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 {
2489	if ($Coro::current != $Coro::main) {	3772	if ($Coro::current != $Coro::main) {
2490	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"
2491	unless ++$bug_warning > 10;	3774	unless ++$bug_warning > 10;
2492	return;	3775	return;
2493	}	3776	}
2494		3777
2495	$NOW = Event::time;
2496
2497	cf::server_tick; # one server iteration	3778	cf::server_tick; # one server iteration
2498	$RUNTIME += $TICK;
2499	$NEXT_TICK += $TICK;
2500		3779
2501	$WAIT_FOR_TICK->broadcast;	3780	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2502	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3781	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2503		3782	Coro::async_pool {
2504	Event::sweep;	3783	$Coro::current->{desc} = "runtime saver";
2505	Coro::cede_notself;
2506
2507	# my $AFTER = Event::time;
2508	# warn $AFTER - $NOW;#d#
2509
2510	# if we are delayed by four ticks or more, skip them all
2511	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2512
2513	$TICK_WATCHER->at ($NEXT_TICK);
2514	$TICK_WATCHER->start;
2515	},
2516	);
2517
2518	IO::AIO::max_poll_time $TICK * 0.1;
2519
2520	undef $Coro::AIO::WATCHER;
2521	$AIO_POLL_WATCHER = Event->io (
2522	reentrant => 0,
2523	fd => IO::AIO::poll_fileno,
2524	poll => 'r',
2525	prio => 6,
2526	data => WF_AUTOCANCEL,
2527	cb => \&IO::AIO::poll_cb,
2528	);
2529
2530	$WRITE_RUNTIME_WATCHER = Event->timer (
2531	reentrant => 0,
2532	data => WF_AUTOCANCEL,
2533	after => 1,
2534	interval => 10,
2535	prio => 6, # keep it lowest so it acts like a watchdog
2536	cb => Coro::unblock_sub {
2537	write_runtime	3784	write_runtime_sync
2538	or warn "ERROR: unable to write runtime file: $!";	3785	or warn "ERROR: unable to write runtime file: $!";
		3786	};
2539	},	3787	}
2540	);	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	}
		3807
		3808	{
		3809	# configure BDB
		3810
		3811	BDB::min_parallel 8;
		3812	BDB::max_poll_reqs $TICK * 0.1;
		3813	$AnyEvent::BDB::WATCHER->priority (1);
		3814
		3815	unless ($DB_ENV) {
		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);
		3822
		3823	cf::sync_job {
		3824	eval {
		3825	BDB::db_env_open
		3826	$DB_ENV,
		3827	$BDBDIR,
		3828	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3829	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3830	0666;
		3831
		3832	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3833	};
		3834
		3835	cf::cleanup "db_env_open(db): $@" if $@;
		3836	};
		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	};
		3848	}
		3849
		3850	{
		3851	# configure IO::AIO
		3852
		3853	IO::AIO::min_parallel 8;
		3854	IO::AIO::max_poll_time $TICK * 0.1;
		3855	undef $AnyEvent::AIO::WATCHER;
		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;
2541		3902
2542	END { cf::emergency_save }	3903	END { cf::emergency_save }
2543		3904
2544	1	3905	1
2545		3906

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