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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.207 by root, Sun Feb 11 22:42:09 2007 UTC vs.
Revision 1.470 by root, Sun Apr 26 19:42:45 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict qw(vars subs);
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
		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 ();
20	use BDB ();	54	use BDB ();
21	use Data::Dumper;	55	use Data::Dumper;
22	use Digest::MD5;	56	use Digest::MD5;
23	use Fcntl;	57	use Fcntl;
		58	use YAML ();
24	use IO::AIO 2.32 ();	59	use IO::AIO ();
25	use YAML::Syck ();
26	use Time::HiRes;	60	use Time::HiRes;
		61	use Compress::LZF;
		62	use Digest::MD5 ();
27		63
28	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
29		76
30	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
31
32	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
33	$YAML::Syck::ImplicitUnicode = 1;
34
35	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
36		78
37	our %COMMAND = ();	79	our %COMMAND = ();
38	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
39		81
40	our @EXTS = (); # list of extension package names	82	our @EXTS = (); # list of extension package names
41	our %EXTCMD = ();	83	our %EXTCMD = ();
		84	our %EXTICMD = ();
42	our %EXT_CORO = (); # coroutines bound to extensions	85	our %EXT_CORO = (); # coroutines bound to extensions
43	our %EXT_MAP = (); # pluggable maps	86	our %EXT_MAP = (); # pluggable maps
44		87
		88	our $RELOAD; # number of reloads so far, non-zero while in reload
45	our @EVENT;	89	our @EVENT;
46	our $LIBDIR = datadir . "/ext";
47		90
48	our $TICK = MAX_TIME * 1e-6;	91	our $CONFDIR = confdir;
49	our $TICK_WATCHER;	92	our $DATADIR = datadir;
50	our $AIO_POLL_WATCHER;	93	our $LIBDIR = "$DATADIR/ext";
51	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
52	our $NEXT_TICK;	109	our $NEXT_TICK;
53	our $NOW;
54	our $USE_FSYNC = 1; # use fsync to write maps - default off	110	our $USE_FSYNC = 1; # use fsync to write maps - default on
55		111
		112	our $BDB_DEADLOCK_WATCHER;
		113	our $BDB_CHECKPOINT_WATCHER;
56	our $BDB_POLL_WATCHER;	114	our $BDB_TRICKLE_WATCHER;
57	our $DB_ENV;	115	our $DB_ENV;
		116
		117	our @EXTRA_MODULES = qw(pod mapscript);
58		118
59	our %CFG;	119	our %CFG;
60		120
61	our $UPTIME; $UPTIME ||= time;	121	our $UPTIME; $UPTIME ||= time;
62	our $RUNTIME;	122	our $RUNTIME;
		123	our $NOW;
63		124
64	our %PLAYER; # all users	125	our (%PLAYER, %PLAYER_LOADING); # all users
65	our %MAP; # all maps	126	our (%MAP, %MAP_LOADING ); # all maps
66	our $LINK_MAP; # the special {link} map, which is always available	127	our $LINK_MAP; # the special {link} map, which is always available
67	our $RANDOM_MAPS = cf::localdir . "/random";
68	our $BDB_ENV_DIR = cf::localdir . "/db";
69
70	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
71	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
72		128
73	# used to convert map paths into valid unix filenames by replacing / by ∕	129	# used to convert map paths into valid unix filenames by replacing / by ∕
74	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	130	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
75		131
		132	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		133	our $LOADAVG; # same thing, but with alpha-smoothing
		134	our $JITTER; # average jitter
		135	our $TICK_START; # for load detecting purposes
		136
		137	our @POST_INIT;
		138
		139	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
		140
76	binmode STDOUT;	141	binmode STDOUT;
77	binmode STDERR;	142	binmode STDERR;
78		143
79	# read virtual server time, if available	144	# read virtual server time, if available
80	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	145	unless ($RUNTIME || !-e $RUNTIMEFILE) {
81	open my $fh, "<", cf::localdir . "/runtime"	146	open my $fh, "<", $RUNTIMEFILE
82	or die "unable to read runtime file: $!";	147	or die "unable to read $RUNTIMEFILE file: $!";
83	$RUNTIME = <$fh> + 0.;	148	$RUNTIME = <$fh> + 0.;
84	}	149	}
85		150
86	mkdir cf::localdir;	151	eval "sub TICK() { $TICK } 1" or die;
87	mkdir cf::localdir . "/" . cf::playerdir;	152
88	mkdir cf::localdir . "/" . cf::tmpdir;	153	mkdir $_
89	mkdir cf::localdir . "/" . cf::uniquedir;	154	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
90	mkdir $RANDOM_MAPS;
91	mkdir $BDB_ENV_DIR;
92		155
93	our $EMERGENCY_POSITION;	156	our $EMERGENCY_POSITION;
94		157
95	sub cf::map::normalise;	158	sub cf::map::normalise;
96		159
…		…
107	=item $cf::RUNTIME	170	=item $cf::RUNTIME
108		171
109	The time this server has run, starts at 0 and is increased by $cf::TICK on	172	The time this server has run, starts at 0 and is increased by $cf::TICK on
110	every server tick.	173	every server tick.
111		174
112	=item $cf::LIBDIR	175	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		176	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		177	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
113		178
114	The perl library directory, where extensions and cf-specific modules can	179	Various directories - "/etc", read-only install directory, perl-library
115	be found. It will be added to C<@INC> automatically.	180	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		181	unique-items directory, player file directory, random maps directory and
		182	database environment.
116		183
117	=item $cf::NOW	184	=item $cf::NOW
118		185
119	The time of the last (current) server tick.	186	The time of the last (current) server tick.
120		187
121	=item $cf::TICK	188	=item $cf::TICK
122		189
123	The interval between server ticks, in seconds.	190	The interval between server ticks, in seconds.
124		191
		192	=item $cf::LOADAVG
		193
		194	The current CPU load on the server (alpha-smoothed), as a value between 0
		195	(none) and 1 (overloaded), indicating how much time is spent on processing
		196	objects per tick. Healthy values are < 0.5.
		197
		198	=item $cf::LOAD
		199
		200	The raw value load value from the last tick.
		201
125	=item %cf::CFG	202	=item %cf::CFG
126		203
127	Configuration for the server, loaded from C</etc/crossfire/config>, or	204	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
128	from wherever your confdir points to.	205	from wherever your confdir points to.
129		206
130	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	207	=item cf::wait_for_tick, cf::wait_for_tick_begin
131		208
132	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	209	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
133	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	210	returns directly I<after> the tick processing (and consequently, can only wake one process
134	processing has been done. Call C<< ->wait >> on them to maximise the	211	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
135	window of cpu time available, or simply to synchronise to the server tick.	212
		213	=item @cf::INVOKE_RESULTS
		214
		215	This array contains the results of the last C<invoke ()> call. When
		216	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		217	that call.
136		218
137	=back	219	=back
138		220
139	=cut	221	=cut
140		222
141	BEGIN {	223	BEGIN {
142	*CORE::GLOBAL::warn = sub {	224	*CORE::GLOBAL::warn = sub {
143	my $msg = join "", @_;	225	my $msg = join "", @_;
144	utf8::encode $msg;
145		226
146	$msg .= "\n"	227	$msg .= "\n"
147	unless $msg =~ /\n$/;	228	unless $msg =~ /\n$/;
148		229
		230	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		231
149	LOG llevError, $msg;	232	LOG llevError, $msg;
150	};	233	};
151	}	234	}
		235
		236	$Coro::State::DIEHOOK = sub {
		237	return unless $^S eq 0; # "eq", not "=="
		238
		239	if ($Coro::current == $Coro::main) {#d#
		240	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		241	return;#d#
		242	}#d#
		243
		244	# kill coroutine otherwise
		245	warn Carp::longmess $_[0];
		246	Coro::terminate
		247	};
		248
		249	$SIG{__DIE__} = sub { }; #d#?
152		250
153	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	251	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
154	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	252	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
155	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	253	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
156	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	254	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
157	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	255	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		256	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
158	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	257	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
159		258
160	# we bless all objects into (empty) derived classes to force a method lookup	259	# we bless all objects into (empty) derived classes to force a method lookup
161	# within the Safe compartment.	260	# within the Safe compartment.
162	for my $pkg (qw(	261	for my $pkg (qw(
163	cf::global cf::attachable	262	cf::global cf::attachable
164	cf::object cf::object::player	263	cf::object cf::object::player
165	cf::client cf::player	264	cf::client cf::player
166	cf::arch cf::living	265	cf::arch cf::living
		266	cf::map cf::mapspace
167	cf::map cf::party cf::region	267	cf::party cf::region
168	)) {	268	)) {
169	no strict 'refs';
170	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	269	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
171	}	270	}
172		271
173	$Event::DIED = sub {	272	$EV::DIED = sub {
174	warn "error in event callback: @_";	273	warn "error in event callback: @_";
175	};	274	};
		275
		276	#############################################################################
176		277
177	=head2 UTILITY FUNCTIONS	278	=head2 UTILITY FUNCTIONS
178		279
179	=over 4	280	=over 4
180		281
…		…
199	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	300	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
200	$d	301	$d
201	} || "[unable to dump $_[0]: '$@']";	302	} || "[unable to dump $_[0]: '$@']";
202	}	303	}
203		304
204	use JSON::Syck (); # TODO# replace by JSON::PC once working
205
206	=item $ref = cf::from_json $json	305	=item $ref = cf::decode_json $json
207		306
208	Converts a JSON string into the corresponding perl data structure.	307	Converts a JSON string into the corresponding perl data structure.
209		308
210	=cut
211
212	sub from_json($) {
213	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
214	JSON::Syck::Load $_[0]
215	}
216
217	=item $json = cf::to_json $ref	309	=item $json = cf::encode_json $ref
218		310
219	Converts a perl data structure into its JSON representation.	311	Converts a perl data structure into its JSON representation.
220		312
221	=cut	313	=cut
222		314
223	sub to_json($) {	315	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
224	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	316
225	JSON::Syck::Dump $_[0]	317	sub encode_json($) { $json_coder->encode ($_[0]) }
		318	sub decode_json($) { $json_coder->decode ($_[0]) }
		319
		320	=item cf::post_init { BLOCK }
		321
		322	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		323	but I<before> the server starts ticking again.
		324
		325	The cdoeblock will have a single boolean argument to indicate whether this
		326	is a reload or not.
		327
		328	=cut
		329
		330	sub post_init(&) {
		331	push @POST_INIT, shift;
226	}	332	}
227		333
228	=item cf::lock_wait $string	334	=item cf::lock_wait $string
229		335
230	Wait until the given lock is available. See cf::lock_acquire.	336	Wait until the given lock is available. See cf::lock_acquire.
231		337
232	=item my $lock = cf::lock_acquire $string	338	=item my $lock = cf::lock_acquire $string
233		339
234	Wait until the given lock is available and then acquires it and returns	340	Wait until the given lock is available and then acquires it and returns
235	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	341	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
236	for example when the coroutine gets canceled), the lock is automatically	342	for example when the coroutine gets canceled), the lock is automatically
237	returned.	343	returned.
238		344
		345	Locks are *not* recursive, locking from the same coro twice results in a
		346	deadlocked coro.
		347
239	Lock names should begin with a unique identifier (for example, cf::map::find	348	Lock names should begin with a unique identifier (for example, cf::map::find
240	uses map_find and cf::map::load uses map_load).	349	uses map_find and cf::map::load uses map_load).
241		350
242	=cut	351	=item $locked = cf::lock_active $string
243		352
244	our %LOCK;	353	Return true if the lock is currently active, i.e. somebody has locked it.
		354
		355	=cut
		356
		357	our $LOCKS = new Coro::SemaphoreSet;
245		358
246	sub lock_wait($) {	359	sub lock_wait($) {
247	my ($key) = @_;	360	$LOCKS->wait ($_[0]);
248
249	# wait for lock, if any
250	while ($LOCK{$key}) {
251	push @{ $LOCK{$key} }, $Coro::current;
252	Coro::schedule;
253	}
254	}	361	}
255		362
256	sub lock_acquire($) {	363	sub lock_acquire($) {
257	my ($key) = @_;	364	$LOCKS->guard ($_[0])
		365	}
258		366
259	# wait, to be sure we are not locked	367	sub lock_active($) {
260	lock_wait $key;	368	$LOCKS->count ($_[0]) < 1
261
262	$LOCK{$key} = [];
263
264	Coro::guard {
265	# wake up all waiters, to be on the safe side
266	$_->ready for @{ delete $LOCK{$key} };
267	}
268	}	369	}
269		370
270	sub freeze_mainloop {	371	sub freeze_mainloop {
271	return unless $TICK_WATCHER->is_active;	372	tick_inhibit_inc;
272		373
273	my $guard = Coro::guard {	374	&Guard::guard (\&tick_inhibit_dec);
274	$TICK_WATCHER->start;	375	}
275	$WRITE_RUNTIME_WATCHER->start;	376
		377	=item cf::periodic $interval, $cb
		378
		379	Like EV::periodic, but randomly selects a starting point so that the actions
		380	get spread over timer.
		381
		382	=cut
		383
		384	sub periodic($$) {
		385	my ($interval, $cb) = @_;
		386
		387	my $start = rand List::Util::min 180, $interval;
		388
		389	EV::periodic $start, $interval, 0, $cb
		390	}
		391
		392	=item cf::get_slot $time[, $priority[, $name]]
		393
		394	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		395	This call blocks and returns only when you have at least C<$time> seconds
		396	of cpu time till the next tick. The slot is only valid till the next cede.
		397
		398	The optional C<$name> can be used to identify the job to run. It might be
		399	used for statistical purposes and should identify the same time-class.
		400
		401	Useful for short background jobs.
		402
		403	=cut
		404
		405	our @SLOT_QUEUE;
		406	our $SLOT_QUEUE;
		407
		408	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		409	$SLOT_QUEUE = Coro::async {
		410	$Coro::current->desc ("timeslot manager");
		411
		412	my $signal = new Coro::Signal;
		413
		414	while () {
		415	next_job:
		416	my $avail = cf::till_tick;
		417	if ($avail > 0.01) {
		418	for (0 .. $#SLOT_QUEUE) {
		419	if ($SLOT_QUEUE[$_][0] < $avail) {
		420	my $job = splice @SLOT_QUEUE, $_, 1, ();
		421	$job->[2]->send;
		422	Coro::cede;
		423	goto next_job;
		424	}
		425	}
		426	}
		427
		428	if (@SLOT_QUEUE) {
		429	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		430	push @cf::WAIT_FOR_TICK, $signal;
		431	$signal->wait;
		432	} else {
		433	Coro::schedule;
		434	}
276	};	435	}
277	$WRITE_RUNTIME_WATCHER->stop;	436	};
278	$TICK_WATCHER->stop;	437
279	$guard	438	sub get_slot($;$$) {
		439	return if tick_inhibit || $Coro::current == $Coro::main;
		440
		441	my ($time, $pri, $name) = @_;
		442
		443	$time = $TICK * .6 if $time > $TICK * .6;
		444	my $sig = new Coro::Signal;
		445
		446	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		447	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		448	$SLOT_QUEUE->ready;
		449	$sig->wait;
280	}	450	}
281		451
282	=item cf::async { BLOCK }	452	=item cf::async { BLOCK }
283		453
284	Currently the same as Coro::async_pool, meaning you cannot use	454	Currently the same as Coro::async_pool, meaning you cannot use
…		…
289		459
290	BEGIN { *async = \&Coro::async_pool }	460	BEGIN { *async = \&Coro::async_pool }
291		461
292	=item cf::sync_job { BLOCK }	462	=item cf::sync_job { BLOCK }
293		463
294	The design of crossfire+ requires that the main coro ($Coro::main) is	464	The design of Deliantra requires that the main coroutine ($Coro::main)
295	always able to handle events or runnable, as crossfire+ is only partly	465	is always able to handle events or runnable, as Deliantra is only
296	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	466	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		467	acceptable.
297		468
298	If it must be done, put the blocking parts into C<sync_job>. This will run	469	If it must be done, put the blocking parts into C<sync_job>. This will run
299	the given BLOCK in another coroutine while waiting for the result. The	470	the given BLOCK in another coroutine while waiting for the result. The
300	server will be frozen during this time, so the block should either finish	471	server will be frozen during this time, so the block should either finish
301	fast or be very important.	472	fast or be very important.
…		…
304		475
305	sub sync_job(&) {	476	sub sync_job(&) {
306	my ($job) = @_;	477	my ($job) = @_;
307		478
308	if ($Coro::current == $Coro::main) {	479	if ($Coro::current == $Coro::main) {
		480	my $time = EV::time;
		481
309	# this is the main coro, too bad, we have to block	482	# this is the main coro, too bad, we have to block
310	# till the operation succeeds, freezing the server :/	483	# till the operation succeeds, freezing the server :/
311		484
312	# TODO: use suspend/resume instead	485	LOG llevError, Carp::longmess "sync job";#d#
313	# (but this is cancel-safe)	486
314	my $freeze_guard = freeze_mainloop;	487	my $freeze_guard = freeze_mainloop;
315		488
316	my $busy = 1;	489	my $busy = 1;
317	my @res;	490	my @res;
318		491
319	(async {	492	(async {
		493	$Coro::current->desc ("sync job coro");
320	@res = eval { $job->() };	494	@res = eval { $job->() };
321	warn $@ if $@;	495	warn $@ if $@;
322	undef $busy;	496	undef $busy;
323	})->prio (Coro::PRIO_MAX);	497	})->prio (Coro::PRIO_MAX);
324		498
325	while ($busy) {	499	while ($busy) {
326	Coro::cede or Event::one_event;	500	if (Coro::nready) {
		501	Coro::cede_notself;
		502	} else {
		503	EV::loop EV::LOOP_ONESHOT;
327	}	504	}
		505	}
		506
		507	my $time = EV::time - $time;
		508
		509	$TICK_START += $time; # do not account sync jobs to server load
328		510
329	wantarray ? @res : $res[0]	511	wantarray ? @res : $res[0]
330	} else {	512	} else {
331	# we are in another coroutine, how wonderful, everything just works	513	# we are in another coroutine, how wonderful, everything just works
332		514
…		…
352	$EXT_CORO{$coro+0} = $coro;	534	$EXT_CORO{$coro+0} = $coro;
353		535
354	$coro	536	$coro
355	}	537	}
356		538
357	sub write_runtime {	539	=item fork_call { }, $args
358	my $runtime = cf::localdir . "/runtime";
359		540
360	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	541	Executes the given code block with the given arguments in a seperate
361	or return;	542	process, returning the results. Everything must be serialisable with
		543	Coro::Storable. May, of course, block. Note that the executed sub may
		544	never block itself or use any form of event handling.
362		545
363	my $value = $cf::RUNTIME + 90 + 10;	546	=cut
364	# 10 is the runtime save interval, for a monotonic clock
365	# 60 allows for the watchdog to kill the server.
366		547
367	(aio_write $fh, 0, (length $value), $value, 0) <= 0	548	sub fork_call(&@) {
368	and return;	549	my ($cb, @args) = @_;
369		550
370	# always fsync - this file is important	551	# we seemingly have to make a local copy of the whole thing,
371	aio_fsync $fh	552	# otherwise perl prematurely frees the stuff :/
372	and return;	553	# TODO: investigate and fix (likely this will be rather laborious)
373		554
374	close $fh	555	my @res = Coro::Util::fork_eval {
375	or return;	556	reset_signals;
		557	&$cb
		558	}, @args;
376		559
377	aio_rename "$runtime~", $runtime	560	wantarray ? @res : $res[-1]
378	and return;	561	}
379		562
		563	=item $coin = coin_from_name $name
		564
		565	=cut
		566
		567	our %coin_alias = (
		568	"silver" => "silvercoin",
		569	"silvercoin" => "silvercoin",
		570	"silvercoins" => "silvercoin",
		571	"gold" => "goldcoin",
		572	"goldcoin" => "goldcoin",
		573	"goldcoins" => "goldcoin",
		574	"platinum" => "platinacoin",
		575	"platinumcoin" => "platinacoin",
		576	"platinumcoins" => "platinacoin",
		577	"platina" => "platinacoin",
		578	"platinacoin" => "platinacoin",
		579	"platinacoins" => "platinacoin",
		580	"royalty" => "royalty",
		581	"royalties" => "royalty",
		582	);
		583
		584	sub coin_from_name($) {
		585	$coin_alias{$_[0]}
		586	? cf::arch::find $coin_alias{$_[0]}
		587	: undef
		588	}
		589
		590	=item $value = cf::db_get $family => $key
		591
		592	Returns a single value from the environment database.
		593
		594	=item cf::db_put $family => $key => $value
		595
		596	Stores the given C<$value> in the family. It can currently store binary
		597	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		598
		599	=item $db = cf::db_table "name"
		600
		601	Create and/or open a new database table. The string must not be "db" and must be unique
		602	within each server.
		603
		604	=cut
		605
		606	sub db_table($) {
		607	my ($name) = @_;
		608	my $db = BDB::db_create $DB_ENV;
		609
		610	eval {
		611	$db->set_flags (BDB::CHKSUM);
		612
		613	utf8::encode $name;
		614	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		615	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		616	cf::cleanup "db_open(db): $!" if $!;
		617	};
		618	cf::cleanup "db_open(db): $@" if $@;
		619
		620	$db
		621	}
		622
		623	our $DB;
		624
		625	sub db_init {
		626	cf::sync_job {
		627	$DB ||= db_table "db";
		628	};
		629	}
		630
		631	sub db_get($$) {
		632	my $key = "$_[0]/$_[1]";
		633
		634	cf::sync_job {
		635	BDB::db_get $DB, undef, $key, my $data;
		636
		637	$! ? ()
		638	: $data
380	1	639	}
		640	}
		641
		642	sub db_put($$$) {
		643	BDB::dbreq_pri 4;
		644	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		645	}
		646
		647	=item cf::cache $id => [$paths...], $processversion => $process
		648
		649	Generic caching function that returns the value of the resource $id,
		650	caching and regenerating as required.
		651
		652	This function can block.
		653
		654	=cut
		655
		656	sub cache {
		657	my ($id, $src, $processversion, $process) = @_;
		658
		659	my $meta =
		660	join "\x00",
		661	$processversion,
		662	map {
		663	aio_stat $_
		664	and Carp::croak "$_: $!";
		665
		666	($_, (stat _)[7,9])
		667	} @$src;
		668
		669	my $dbmeta = db_get cache => "$id/meta";
		670	if ($dbmeta ne $meta) {
		671	# changed, we may need to process
		672
		673	my @data;
		674	my $md5;
		675
		676	for (0 .. $#$src) {
		677	0 <= aio_load $src->[$_], $data[$_]
		678	or Carp::croak "$src->[$_]: $!";
		679	}
		680
		681	# if processing is expensive, check
		682	# checksum first
		683	if (1) {
		684	$md5 =
		685	join "\x00",
		686	$processversion,
		687	map {
		688	cf::cede_to_tick;
		689	($src->[$_], Digest::MD5::md5_hex $data[$_])
		690	} 0.. $#$src;
		691
		692
		693	my $dbmd5 = db_get cache => "$id/md5";
		694	if ($dbmd5 eq $md5) {
		695	db_put cache => "$id/meta", $meta;
		696
		697	return db_get cache => "$id/data";
		698	}
		699	}
		700
		701	my $t1 = Time::HiRes::time;
		702	my $data = $process->(\@data);
		703	my $t2 = Time::HiRes::time;
		704
		705	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		706
		707	db_put cache => "$id/data", $data;
		708	db_put cache => "$id/md5" , $md5;
		709	db_put cache => "$id/meta", $meta;
		710
		711	return $data;
		712	}
		713
		714	db_get cache => "$id/data"
		715	}
		716
		717	=item cf::datalog type => key => value, ...
		718
		719	Log a datalog packet of the given type with the given key-value pairs.
		720
		721	=cut
		722
		723	sub datalog($@) {
		724	my ($type, %kv) = @_;
		725	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
381	}	726	}
382		727
383	=back	728	=back
384		729
385	=cut	730	=cut
386		731
387	#############################################################################	732	#############################################################################
388		733
389	=head2 ATTACHABLE OBJECTS	734	=head2 ATTACHABLE OBJECTS
390		735
391	Many objects in crossfire are so-called attachable objects. That means you can	736	Many objects in deliantra are so-called attachable objects. That means you can
392	attach callbacks/event handlers (a collection of which is called an "attachment")	737	attach callbacks/event handlers (a collection of which is called an "attachment")
393	to it. All such attachable objects support the following methods.	738	to it. All such attachable objects support the following methods.
394		739
395	In the following description, CLASS can be any of C<global>, C<object>	740	In the following description, CLASS can be any of C<global>, C<object>
396	C<player>, C<client> or C<map> (i.e. the attachable objects in	741	C<player>, C<client> or C<map> (i.e. the attachable objects in
397	crossfire+).	742	Deliantra).
398		743
399	=over 4	744	=over 4
400		745
401	=item $attachable->attach ($attachment, key => $value...)	746	=item $attachable->attach ($attachment, key => $value...)
402		747
…		…
446	=item cf::CLASS::attachment $name, ...	791	=item cf::CLASS::attachment $name, ...
447		792
448	Register an attachment by C<$name> through which attachable objects of the	793	Register an attachment by C<$name> through which attachable objects of the
449	given CLASS can refer to this attachment.	794	given CLASS can refer to this attachment.
450		795
451	Some classes such as crossfire maps and objects can specify attachments	796	Some classes such as deliantra maps and objects can specify attachments
452	that are attached at load/instantiate time, thus the need for a name.	797	that are attached at load/instantiate time, thus the need for a name.
453		798
454	These calls expect any number of the following handler/hook descriptions:	799	These calls expect any number of the following handler/hook descriptions:
455		800
456	=over 4	801	=over 4
…		…
565	$registry = $CB_TYPE[$object_type] ||= [];	910	$registry = $CB_TYPE[$object_type] ||= [];
566		911
567	} elsif ($type eq "subtype") {	912	} elsif ($type eq "subtype") {
568	defined $object_type or Carp::croak "subtype specified without type";	913	defined $object_type or Carp::croak "subtype specified without type";
569	my $object_subtype = shift @arg;	914	my $object_subtype = shift @arg;
570	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	915	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
571		916
572	} elsif ($type eq "package") {	917	} elsif ($type eq "package") {
573	my $pkg = shift @arg;	918	my $pkg = shift @arg;
574		919
575	while (my ($name, $id) = each %cb_id) {	920	while (my ($name, $id) = each %cb_id) {
…		…
604	_attach $registry, $klass, @attach;	949	_attach $registry, $klass, @attach;
605	}	950	}
606		951
607	$obj->{$name} = \%arg;	952	$obj->{$name} = \%arg;
608	} else {	953	} else {
609	warn "object uses attachment '$name' that is not available, postponing.\n";	954	warn "object uses attachment '$name' which is not available, postponing.\n";
610	}	955	}
611		956
612	$obj->{_attachment}{$name} = undef;	957	$obj->{_attachment}{$name} = undef;
613	}	958	}
614		959
…		…
616	if (ref $_[0]) {	961	if (ref $_[0]) {
617	_object_attach @_;	962	_object_attach @_;
618	} else {	963	} else {
619	_attach shift->_attach_registry, @_;	964	_attach shift->_attach_registry, @_;
620	}	965	}
		966	_recalc_want;
621	};	967	};
622		968
623	# all those should be optimised	969	# all those should be optimised
624	sub cf::attachable::detach {	970	sub cf::attachable::detach {
625	my ($obj, $name) = @_;	971	my ($obj, $name) = @_;
…		…
628	delete $obj->{_attachment}{$name};	974	delete $obj->{_attachment}{$name};
629	reattach ($obj);	975	reattach ($obj);
630	} else {	976	} else {
631	Carp::croak "cannot, currently, detach class attachments";	977	Carp::croak "cannot, currently, detach class attachments";
632	}	978	}
		979	_recalc_want;
633	};	980	};
634		981
635	sub cf::attachable::attached {	982	sub cf::attachable::attached {
636	my ($obj, $name) = @_;	983	my ($obj, $name) = @_;
637		984
…		…
652	";	999	";
653	die if $@;	1000	die if $@;
654	}	1001	}
655		1002
656	our $override;	1003	our $override;
657	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1004	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
658		1005
659	sub override {	1006	sub override {
660	$override = 1;	1007	$override = 1;
661	@invoke_results = ();	1008	@INVOKE_RESULTS = (@_);
662	}	1009	}
663		1010
664	sub do_invoke {	1011	sub do_invoke {
665	my $event = shift;	1012	my $event = shift;
666	my $callbacks = shift;	1013	my $callbacks = shift;
667		1014
668	@invoke_results = ();	1015	@INVOKE_RESULTS = ();
669		1016
670	local $override;	1017	local $override;
671		1018
672	for (@$callbacks) {	1019	for (@$callbacks) {
673	eval { &{$_->[1]} };	1020	eval { &{$_->[1]} };
…		…
682	}	1029	}
683		1030
684	0	1031	0
685	}	1032	}
686		1033
687	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1034	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
688		1035
689	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1036	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
690		1037
691	Generate an object-specific event with the given arguments.	1038	Generate an object-specific event with the given arguments.
692		1039
693	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1040	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
694	removed in future versions), and there is no public API to access override	1041	removed in future versions), and there is no public API to access override
695	results (if you must, access C<@cf::invoke_results> directly).	1042	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
696		1043
697	=back	1044	=back
698		1045
699	=cut	1046	=cut
700		1047
701	#############################################################################	1048	#############################################################################
702	# object support	1049	# object support
		1050
		1051	sub _object_equal($$);
		1052	sub _object_equal($$) {
		1053	my ($a, $b) = @_;
		1054
		1055	return 0 unless (ref $a) eq (ref $b);
		1056
		1057	if ("HASH" eq ref $a) {
		1058	my @ka = keys %$a;
		1059	my @kb = keys %$b;
		1060
		1061	return 0 if @ka != @kb;
		1062
		1063	for (0 .. $#ka) {
		1064	return 0 unless $ka[$_] eq $kb[$_];
		1065	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1066	}
		1067
		1068	} elsif ("ARRAY" eq ref $a) {
		1069
		1070	return 0 if @$a != @$b;
		1071
		1072	for (0 .. $#$a) {
		1073	return 0 unless _object_equal $a->[$_], $b->[$_];
		1074	}
		1075
		1076	} elsif ($a ne $b) {
		1077	return 0;
		1078	}
		1079
		1080	1
		1081	}
		1082
		1083	our $SLOW_MERGES;#d#
		1084	sub _can_merge {
		1085	my ($ob1, $ob2) = @_;
		1086
		1087	++$SLOW_MERGES;#d#
		1088
		1089	# we do the slow way here
		1090	return _object_equal $ob1, $ob2
		1091	}
703		1092
704	sub reattach {	1093	sub reattach {
705	# basically do the same as instantiate, without calling instantiate	1094	# basically do the same as instantiate, without calling instantiate
706	my ($obj) = @_;	1095	my ($obj) = @_;
707		1096
		1097	# no longer needed after getting rid of delete_package?
708	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1098	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
709		1099
710	my $registry = $obj->registry;	1100	my $registry = $obj->registry;
711		1101
712	@$registry = ();	1102	@$registry = ();
713		1103
…		…
728	cf::attachable->attach (	1118	cf::attachable->attach (
729	prio => -1000000,	1119	prio => -1000000,
730	on_instantiate => sub {	1120	on_instantiate => sub {
731	my ($obj, $data) = @_;	1121	my ($obj, $data) = @_;
732		1122
733	$data = from_json $data;	1123	$data = decode_json $data;
734		1124
735	for (@$data) {	1125	for (@$data) {
736	my ($name, $args) = @$_;	1126	my ($name, $args) = @$_;
737		1127
738	$obj->attach ($name, %{$args || {} });	1128	$obj->attach ($name, %{$args || {} });
…		…
754	sub object_freezer_save {	1144	sub object_freezer_save {
755	my ($filename, $rdata, $objs) = @_;	1145	my ($filename, $rdata, $objs) = @_;
756		1146
757	sync_job {	1147	sync_job {
758	if (length $$rdata) {	1148	if (length $$rdata) {
		1149	utf8::decode (my $decname = $filename);
759	warn sprintf "saving %s (%d,%d)\n",	1150	warn sprintf "saving %s (%d,%d)\n",
760	$filename, length $$rdata, scalar @$objs;	1151	$decname, length $$rdata, scalar @$objs;
761		1152
762	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1153	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
763	chmod SAVE_MODE, $fh;	1154	aio_chmod $fh, SAVE_MODE;
764	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1155	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
765	aio_fsync $fh if $cf::USE_FSYNC;	1156	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	1157	aio_close $fh;
767		1158
768	if (@$objs) {	1159	if (@$objs) {
769	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1160	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
770	chmod SAVE_MODE, $fh;	1161	aio_chmod $fh, SAVE_MODE;
771	my $data = Storable::nfreeze { version => 1, objs => $objs };	1162	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
772	aio_write $fh, 0, (length $data), $data, 0;	1163	aio_write $fh, 0, (length $data), $data, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1164	aio_fsync $fh if $cf::USE_FSYNC;
774	close $fh;	1165	aio_close $fh;
775	aio_rename "$filename.pst~", "$filename.pst";	1166	aio_rename "$filename.pst~", "$filename.pst";
776	}	1167	}
777	} else {	1168	} else {
778	aio_unlink "$filename.pst";	1169	aio_unlink "$filename.pst";
779	}	1170	}
780		1171
781	aio_rename "$filename~", $filename;	1172	aio_rename "$filename~", $filename;
		1173
		1174	$filename =~ s%/[^/]+$%%;
		1175	aio_pathsync $filename if $cf::USE_FSYNC;
782	} else {	1176	} else {
783	warn "FATAL: $filename~: $!\n";	1177	warn "unable to save objects: $filename~: $!\n";
784	}	1178	}
785	} else {	1179	} else {
786	aio_unlink $filename;	1180	aio_unlink $filename;
787	aio_unlink "$filename.pst";	1181	aio_unlink "$filename.pst";
788	}	1182	}
789
790	#d##TODO# nuke non .map-files if exist
791	if ($filename =~ s/\.map$//) {
792	aio_unlink $filename;
793	aio_unlink "$filename.pst";
794	}
795	}	1183	};
796	}	1184	}
797		1185
798	sub object_freezer_as_string {	1186	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1187	my ($rdata, $objs) = @_;
800		1188
…		…
805		1193
806	sub object_thawer_load {	1194	sub object_thawer_load {
807	my ($filename) = @_;	1195	my ($filename) = @_;
808		1196
809	my ($data, $av);	1197	my ($data, $av);
810
811	#d#TODO remove .map if file does not exist
812	aio_stat $filename and $filename =~ s/\.map$//;
813		1198
814	(aio_load $filename, $data) >= 0	1199	(aio_load $filename, $data) >= 0
815	or return;	1200	or return;
816		1201
817	unless (aio_stat "$filename.pst") {	1202	unless (aio_stat "$filename.pst") {
818	(aio_load "$filename.pst", $av) >= 0	1203	(aio_load "$filename.pst", $av) >= 0
819	or return;	1204	or return;
		1205
820	$av = eval { (Storable::thaw $av)->{objs} };	1206	my $st = eval { Coro::Storable::thaw $av };
		1207	$av = $st->{objs};
821	}	1208	}
822		1209
		1210	utf8::decode (my $decname = $filename);
823	warn sprintf "loading %s (%d)\n",	1211	warn sprintf "loading %s (%d,%d)\n",
824	$filename, length $data, scalar @{$av || []};#d#	1212	$decname, length $data, scalar @{$av || []};
		1213
825	return ($data, $av);	1214	($data, $av)
826	}	1215	}
		1216
		1217	=head2 COMMAND CALLBACKS
		1218
		1219	=over 4
		1220
		1221	=cut
827		1222
828	#############################################################################	1223	#############################################################################
829	# command handling &c	1224	# command handling &c
830		1225
831	=item cf::register_command $name => \&callback($ob,$args);	1226	=item cf::register_command $name => \&callback($ob,$args);
…		…
844	push @{ $COMMAND{$name} }, [$caller, $cb];	1239	push @{ $COMMAND{$name} }, [$caller, $cb];
845	}	1240	}
846		1241
847	=item cf::register_extcmd $name => \&callback($pl,$packet);	1242	=item cf::register_extcmd $name => \&callback($pl,$packet);
848		1243
849	Register a callbackf ro execution when the client sends an extcmd packet.	1244	Register a callback for execution when the client sends an (synchronous)
		1245	extcmd packet. Ext commands will be processed in the order they are
		1246	received by the server, like other user commands. The first argument is
		1247	the logged-in player. Ext commands can only be processed after a player
		1248	has logged in successfully.
850		1249
851	If the callback returns something, it is sent back as if reply was being	1250	If the callback returns something, it is sent back as if reply was being
852	called.	1251	called.
853		1252
		1253	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1254
		1255	Register a callback for execution when the client sends an (asynchronous)
		1256	exticmd packet. Exti commands are processed by the server as soon as they
		1257	are received, i.e. out of order w.r.t. other commands. The first argument
		1258	is a client socket. Exti commands can be received anytime, even before
		1259	log-in.
		1260
		1261	If the callback returns something, it is sent back as if reply was being
		1262	called.
		1263
854	=cut	1264	=cut
855		1265
856	sub register_extcmd {	1266	sub register_extcmd {
857	my ($name, $cb) = @_;	1267	my ($name, $cb) = @_;
858		1268
859	$EXTCMD{$name} = $cb;	1269	$EXTCMD{$name} = $cb;
860	}	1270	}
		1271
		1272	sub register_exticmd {
		1273	my ($name, $cb) = @_;
		1274
		1275	$EXTICMD{$name} = $cb;
		1276	}
		1277
		1278	use File::Glob ();
861		1279
862	cf::player->attach (	1280	cf::player->attach (
863	on_command => sub {	1281	on_command => sub {
864	my ($pl, $name, $params) = @_;	1282	my ($pl, $name, $params) = @_;
865		1283
…		…
873	cf::override;	1291	cf::override;
874	},	1292	},
875	on_extcmd => sub {	1293	on_extcmd => sub {
876	my ($pl, $buf) = @_;	1294	my ($pl, $buf) = @_;
877		1295
878	my $msg = eval { from_json $buf };	1296	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
879		1297
880	if (ref $msg) {	1298	if (ref $msg) {
		1299	my ($type, $reply, @payload) =
		1300	"ARRAY" eq ref $msg
		1301	? @$msg
		1302	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1303
		1304	my @reply;
		1305
881	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1306	if (my $cb = $EXTCMD{$type}) {
882	if (my %reply = $cb->($pl, $msg)) {	1307	@reply = $cb->($pl, @payload);
883	$pl->ext_reply ($msg->{msgid}, %reply);
884	}
885	}	1308	}
		1309
		1310	$pl->ext_reply ($reply, @reply)
		1311	if $reply;
		1312
886	} else {	1313	} else {
887	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1314	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
888	}	1315	}
889		1316
890	cf::override;	1317	cf::override;
891	},	1318	},
892	);	1319	);
893		1320
		1321	# "readahead" all extensions
894	sub load_extension {	1322	sub cache_extensions {
895	my ($path) = @_;	1323	my $grp = IO::AIO::aio_group;
896		1324
897	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1325	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
898	my $base = $1;	1326	for (grep /\.ext$/, @{$_[0]}) {
899	my $pkg = $1;	1327	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
900	$pkg =~ s/[^[:word:]]/_/g;
901	$pkg = "ext::$pkg";
902
903	warn "... loading '$path' into '$pkg'\n";
904
905	open my $fh, "<:utf8", $path
906	or die "$path: $!";
907
908	my $source =
909	"package $pkg; use strict; use utf8;\n"
910	. "#line 1 \"$path\"\n{\n"
911	. (do { local $/; <$fh> })
912	. "\n};\n1";
913
914	unless (eval $source) {
915	my $msg = $@ ? "$path: $@\n"
916	: "extension disabled.\n";
917	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
918	warn $@;
919	warn "mandatory extension failed to load, exiting.\n";
920	exit 1;
921	}	1328	}
922	die $@;
923	}	1329	};
924		1330
925	push @EXTS, $pkg;	1331	$grp
926	}	1332	}
927		1333
928	sub load_extensions {	1334	sub load_extensions {
		1335	cf::sync_job {
		1336	my %todo;
		1337
929	for my $ext (<$LIBDIR/*.ext>) {	1338	for my $path (<$LIBDIR/*.ext>) {
930	next unless -r $ext;	1339	next unless -r $path;
931	eval {	1340
932	load_extension $ext;	1341	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1342	my $base = $1;
		1343	my $pkg = $1;
		1344	$pkg =~ s/[^[:word:]]/_/g;
		1345	$pkg = "ext::$pkg";
		1346
		1347	open my $fh, "<:utf8", $path
		1348	or die "$path: $!";
		1349
		1350	my $source = do { local $/; <$fh> };
		1351
		1352	my %ext = (
		1353	path => $path,
		1354	base => $base,
		1355	pkg => $pkg,
		1356	);
		1357
		1358	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1359	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1360
		1361	$ext{source} =
		1362	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1363	. "#line 1 \"$path\"\n{\n"
		1364	. $source
		1365	. "\n};\n1";
		1366
		1367	$todo{$base} = \%ext;
		1368	}
		1369
		1370	my %done;
		1371	while (%todo) {
		1372	my $progress;
		1373
		1374	while (my ($k, $v) = each %todo) {
		1375	for (split /,\s*/, $v->{meta}{depends}) {
		1376	goto skip
		1377	unless exists $done{$_};
		1378	}
		1379
		1380	warn "... loading '$k' into '$v->{pkg}'\n";
		1381
		1382	unless (eval $v->{source}) {
		1383	my $msg = $@ ? "$v->{path}: $@\n"
		1384	: "$v->{base}: extension inactive.\n";
		1385
		1386	if (exists $v->{meta}{mandatory}) {
		1387	warn $msg;
		1388	cf::cleanup "mandatory extension failed to load, exiting.";
		1389	}
		1390
		1391	warn $msg;
		1392	}
		1393
		1394	$done{$k} = delete $todo{$k};
		1395	push @EXTS, $v->{pkg};
		1396	$progress = 1;
933	1	1397	}
934	} or warn "$ext not loaded: $@";	1398
		1399	skip:
		1400	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1401	unless $progress;
		1402	}
935	}	1403	};
936	}	1404	}
937		1405
938	#############################################################################	1406	#############################################################################
939		1407
		1408	=back
		1409
940	=head2 CORE EXTENSIONS	1410	=head2 CORE EXTENSIONS
941		1411
942	Functions and methods that extend core crossfire objects.	1412	Functions and methods that extend core deliantra objects.
943		1413
944	=cut	1414	=cut
945		1415
946	package cf::player;	1416	package cf::player;
947		1417
…		…
949		1419
950	=head3 cf::player	1420	=head3 cf::player
951		1421
952	=over 4	1422	=over 4
953		1423
		1424	=item cf::player::num_playing
		1425
		1426	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1427
		1428	=cut
		1429
		1430	sub num_playing {
		1431	scalar grep
		1432	$_->ob->map
		1433	&& !$_->hidden
		1434	&& !$_->ob->flag (cf::FLAG_WIZ),
		1435	cf::player::list
		1436	}
		1437
954	=item cf::player::find $login	1438	=item cf::player::find $login
955		1439
956	Returns the given player object, loading it if necessary (might block).	1440	Returns the given player object, loading it if necessary (might block).
957		1441
958	=cut	1442	=cut
959		1443
960	sub playerdir($) {	1444	sub playerdir($) {
961	cf::localdir	1445	"$PLAYERDIR/"
962	. "/"
963	. cf::playerdir
964	. "/"
965	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1446	. (ref $_[0] ? $_[0]->ob->name : $_[0])
966	}	1447	}
967		1448
968	sub path($) {	1449	sub path($) {
969	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1450	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
970		1451
971	(playerdir $login) . "/$login.pl"	1452	(playerdir $login) . "/playerdata"
972	}	1453	}
973		1454
974	sub find_active($) {	1455	sub find_active($) {
975	$cf::PLAYER{$_[0]}	1456	$cf::PLAYER{$_[0]}
976	and $cf::PLAYER{$_[0]}->active	1457	and $cf::PLAYER{$_[0]}->active
…		…
979		1460
980	sub exists($) {	1461	sub exists($) {
981	my ($login) = @_;	1462	my ($login) = @_;
982		1463
983	$cf::PLAYER{$login}	1464	$cf::PLAYER{$login}
984	or cf::sync_job { !aio_stat path $login }	1465	or !aio_stat path $login
985	}	1466	}
986		1467
987	sub find($) {	1468	sub find($) {
988	return $cf::PLAYER{$_[0]} || do {	1469	return $cf::PLAYER{$_[0]} || do {
989	my $login = $_[0];	1470	my $login = $_[0];
990		1471
991	my $guard = cf::lock_acquire "user_find:$login";	1472	my $guard = cf::lock_acquire "user_find:$login";
992		1473
993	$cf::PLAYER{$_[0]} || do {	1474	$cf::PLAYER{$_[0]} || do {
994	my $pl = load_pl path $login	1475	# rename old playerfiles to new ones
		1476	#TODO: remove when no longer required
		1477	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1478	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1479	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1480	aio_unlink +(playerdir $login) . "/$login.pl";
		1481
		1482	my $f = new_from_file cf::object::thawer path $login
995	or return;	1483	or return;
		1484
		1485	my $pl = cf::player::load_pl $f
		1486	or return;
		1487
		1488	local $cf::PLAYER_LOADING{$login} = $pl;
		1489	$f->resolve_delayed_derefs;
996	$cf::PLAYER{$login} = $pl	1490	$cf::PLAYER{$login} = $pl
997	}	1491	}
998	}	1492	}
999	}	1493	}
1000		1494
…		…
1009	return if $pl->{deny_save};	1503	return if $pl->{deny_save};
1010		1504
1011	aio_mkdir playerdir $pl, 0770;	1505	aio_mkdir playerdir $pl, 0770;
1012	$pl->{last_save} = $cf::RUNTIME;	1506	$pl->{last_save} = $cf::RUNTIME;
1013		1507
		1508	cf::get_slot 0.01;
		1509
1014	$pl->save_pl ($path);	1510	$pl->save_pl ($path);
1015	Coro::cede;	1511	cf::cede_to_tick;
1016	}	1512	}
1017		1513
1018	sub new($) {	1514	sub new($) {
1019	my ($login) = @_;	1515	my ($login) = @_;
1020		1516
…		…
1026	$cf::PLAYER{$login} = $self;	1522	$cf::PLAYER{$login} = $self;
1027		1523
1028	$self	1524	$self
1029	}	1525	}
1030		1526
		1527	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1528
		1529	=cut
		1530
		1531	sub send_msg {
		1532	my $ns = shift->ns
		1533	or return;
		1534	$ns->send_msg (@_);
		1535	}
		1536
1031	=item $pl->quit_character	1537	=item $pl->quit_character
1032		1538
1033	Nukes the player without looking back. If logged in, the connection will	1539	Nukes the player without looking back. If logged in, the connection will
1034	be destroyed. May block for a long time.	1540	be destroyed. May block for a long time.
1035		1541
1036	=cut	1542	=cut
1037		1543
1038	sub quit_character {	1544	sub quit_character {
1039	my ($pl) = @_;	1545	my ($pl) = @_;
1040		1546
		1547	my $name = $pl->ob->name;
		1548
1041	$pl->{deny_save} = 1;	1549	$pl->{deny_save} = 1;
1042	$pl->password ("*"); # this should lock out the player until we nuked the dir	1550	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1043		1551
1044	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1552	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1045	$pl->deactivate;	1553	$pl->deactivate;
		1554	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1555	$pl->ob->check_score;
1046	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1556	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1047	$pl->ns->destroy if $pl->ns;	1557	$pl->ns->destroy if $pl->ns;
1048		1558
1049	my $path = playerdir $pl;	1559	my $path = playerdir $pl;
1050	my $temp = "$path~$cf::RUNTIME~deleting~";	1560	my $temp = "$path~$cf::RUNTIME~deleting~";
1051	aio_rename $path, $temp;	1561	aio_rename $path, $temp;
1052	delete $cf::PLAYER{$pl->ob->name};	1562	delete $cf::PLAYER{$pl->ob->name};
1053	$pl->destroy;	1563	$pl->destroy;
		1564
		1565	my $prefix = qr<^~\Q$name\E/>;
		1566
		1567	# nuke player maps
		1568	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1569
1054	IO::AIO::aio_rmtree $temp;	1570	IO::AIO::aio_rmtree $temp;
		1571	}
		1572
		1573	=item $pl->kick
		1574
		1575	Kicks a player out of the game. This destroys the connection.
		1576
		1577	=cut
		1578
		1579	sub kick {
		1580	my ($pl, $kicker) = @_;
		1581
		1582	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1583	$pl->killer ("kicked");
		1584	$pl->ns->destroy;
1055	}	1585	}
1056		1586
1057	=item cf::player::list_logins	1587	=item cf::player::list_logins
1058		1588
1059	Returns am arrayref of all valid playernames in the system, can take a	1589	Returns am arrayref of all valid playernames in the system, can take a
1060	while and may block, so not sync_job-capable, ever.	1590	while and may block, so not sync_job-capable, ever.
1061		1591
1062	=cut	1592	=cut
1063		1593
1064	sub list_logins {	1594	sub list_logins {
1065	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1595	my $dirs = aio_readdir $PLAYERDIR
1066	or return [];	1596	or return [];
1067		1597
1068	my @logins;	1598	my @logins;
1069		1599
1070	for my $login (@$dirs) {	1600	for my $login (@$dirs) {
		1601	my $path = path $login;
		1602
		1603	# a .pst is a dead give-away for a valid player
		1604	# if no pst file found, open and chekc for blocked users
		1605	if (aio_stat "$path.pst") {
1071	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1606	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1072	aio_read $fh, 0, 512, my $buf, 0 or next;	1607	aio_read $fh, 0, 512, my $buf, 0 or next;
1073	$buf !~ /^password -------------$/m or next; # official not-valid tag	1608	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1609	}
1074		1610
1075	utf8::decode $login;	1611	utf8::decode $login;
1076	push @logins, $login;	1612	push @logins, $login;
1077	}	1613	}
1078		1614
…		…
1105	}	1641	}
1106		1642
1107	\@paths	1643	\@paths
1108	}	1644	}
1109		1645
		1646	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1647
		1648	Expand deliantra pod fragments into protocol xml.
		1649
1110	=item $player->ext_reply ($msgid, $msgtype, %msg)	1650	=item $player->ext_reply ($msgid, @msg)
1111		1651
1112	Sends an ext reply to the player.	1652	Sends an ext reply to the player.
1113		1653
1114	=cut	1654	=cut
1115		1655
1116	sub ext_reply($$$%) {	1656	sub ext_reply($$@) {
1117	my ($self, $id, %msg) = @_;	1657	my ($self, $id, @msg) = @_;
1118		1658
1119	$msg{msgid} = $id;	1659	$self->ns->ext_reply ($id, @msg)
1120
1121	$self->send ("ext " . cf::to_json \%msg);
1122	}	1660	}
1123		1661
1124	package cf;	1662	=item $player->ext_msg ($type, @msg)
		1663
		1664	Sends an ext event to the client.
		1665
		1666	=cut
		1667
		1668	sub ext_msg($$@) {
		1669	my ($self, $type, @msg) = @_;
		1670
		1671	$self->ns->ext_msg ($type, @msg);
		1672	}
		1673
		1674	=head3 cf::region
		1675
		1676	=over 4
		1677
		1678	=cut
		1679
		1680	package cf::region;
		1681
		1682	=item cf::region::find_by_path $path
		1683
		1684	Tries to decuce the likely region for a map knowing only its path.
		1685
		1686	=cut
		1687
		1688	sub find_by_path($) {
		1689	my ($path) = @_;
		1690
		1691	my ($match, $specificity);
		1692
		1693	for my $region (list) {
		1694	if ($region->{match} && $path =~ $region->{match}) {
		1695	($match, $specificity) = ($region, $region->specificity)
		1696	if $region->specificity > $specificity;
		1697	}
		1698	}
		1699
		1700	$match
		1701	}
1125		1702
1126	=back	1703	=back
1127
1128		1704
1129	=head3 cf::map	1705	=head3 cf::map
1130		1706
1131	=over 4	1707	=over 4
1132		1708
…		…
1144	our $MAX_RESET = 3600;	1720	our $MAX_RESET = 3600;
1145	our $DEFAULT_RESET = 3000;	1721	our $DEFAULT_RESET = 3000;
1146		1722
1147	sub generate_random_map {	1723	sub generate_random_map {
1148	my ($self, $rmp) = @_;	1724	my ($self, $rmp) = @_;
		1725
		1726	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1727
1149	# mit "rum" bekleckern, nicht	1728	# mit "rum" bekleckern, nicht
1150	$self->_create_random_map (	1729	$self->_create_random_map (
1151	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1730	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1152	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1731	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1153	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1732	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1187	my ($self, $merge) = @_;	1766	my ($self, $merge) = @_;
1188		1767
1189	# we have to keep some variables in memory intact	1768	# we have to keep some variables in memory intact
1190	local $self->{path};	1769	local $self->{path};
1191	local $self->{load_path};	1770	local $self->{load_path};
1192	local $self->{deny_save};
1193	local $self->{deny_reset};
1194		1771
1195	$self->SUPER::thawer_merge ($merge);	1772	$self->SUPER::thawer_merge ($merge);
1196	}	1773	}
1197		1774
1198	sub normalise {	1775	sub normalise {
…		…
1245	$self->init; # pass $1 etc.	1822	$self->init; # pass $1 etc.
1246	return $self;	1823	return $self;
1247	}	1824	}
1248	}	1825	}
1249		1826
1250	Carp::carp "unable to resolve path '$path' (base '$base').";	1827	Carp::cluck "unable to resolve path '$path' (base '$base').";
1251	()	1828	()
1252	}	1829	}
1253		1830
1254	sub init {	1831	sub init {
1255	my ($self) = @_;	1832	my ($self) = @_;
…		…
1270		1847
1271	# the original (read-only) location	1848	# the original (read-only) location
1272	sub load_path {	1849	sub load_path {
1273	my ($self) = @_;	1850	my ($self) = @_;
1274		1851
1275	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1852	"$MAPDIR/$self->{path}.map"
1276	}	1853	}
1277		1854
1278	# the temporary/swap location	1855	# the temporary/swap location
1279	sub save_path {	1856	sub save_path {
1280	my ($self) = @_;	1857	my ($self) = @_;
1281		1858
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1859	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1283	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1860	"$TMPDIR/$path.map"
1284	}	1861	}
1285		1862
1286	# the unique path, undef == no special unique path	1863	# the unique path, undef == no special unique path
1287	sub uniq_path {	1864	sub uniq_path {
1288	my ($self) = @_;	1865	my ($self) = @_;
1289		1866
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1867	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1291	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1868	"$UNIQUEDIR/$path"
1292	}	1869	}
1293		1870
1294	# and all this just because we cannot iterate over	1871	sub decay_objects {
1295	# all maps in C++...
1296	sub change_all_map_light {
1297	my ($change) = @_;	1872	my ($self) = @_;
1298		1873
1299	$_->change_map_light ($change)	1874	return if $self->{deny_reset};
1300	for grep $_->outdoor, values %cf::MAP;	1875
		1876	$self->do_decay_objects;
1301	}	1877	}
1302		1878
1303	sub unlink_save {	1879	sub unlink_save {
1304	my ($self) = @_;	1880	my ($self) = @_;
1305		1881
1306	utf8::encode (my $save = $self->save_path);	1882	utf8::encode (my $save = $self->save_path);
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1883	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1884	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1309
1310	#d#TODO remove .map and also nuke
1311	$save =~ s/\.map// or return;#d#
1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1314	}	1885	}
1315		1886
1316	sub load_header_from($) {	1887	sub load_header_from($) {
1317	my ($self, $path) = @_;	1888	my ($self, $path) = @_;
1318		1889
1319	utf8::encode $path;	1890	utf8::encode $path;
1320	#aio_open $path, O_RDONLY, 0	1891	my $f = new_from_file cf::object::thawer $path
1321	# or return;
1322
1323	$self->_load_header ($path)
1324	or return;	1892	or return;
		1893
		1894	$self->_load_header ($f)
		1895	or return;
		1896
		1897	local $MAP_LOADING{$self->{path}} = $self;
		1898	$f->resolve_delayed_derefs;
1325		1899
1326	$self->{load_path} = $path;	1900	$self->{load_path} = $path;
1327		1901
1328	1	1902	1
1329	}	1903	}
…		…
1368	$self->load_header_orig	1942	$self->load_header_orig
1369	or return;	1943	or return;
1370	$self->prepare_orig;	1944	$self->prepare_orig;
1371	}	1945	}
1372		1946
		1947	$self->{deny_reset} = 1
		1948	if $self->no_reset;
		1949
		1950	$self->default_region (cf::region::find_by_path $self->{path})
		1951	unless $self->default_region;
		1952
1373	1	1953	1
1374	}	1954	}
1375		1955
1376	sub find;	1956	sub find;
1377	sub find {	1957	sub find {
1378	my ($path, $origin) = @_;	1958	my ($path, $origin) = @_;
1379		1959
1380	$path = normalise $path, $origin && $origin->path;	1960	$path = normalise $path, $origin && $origin->path;
1381		1961
		1962	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1382	cf::lock_wait "map_find:$path";	1963	my $guard2 = cf::lock_acquire "map_find:$path";
1383		1964
1384	$cf::MAP{$path} || do {	1965	$cf::MAP{$path} || do {
1385	my $guard = cf::lock_acquire "map_find:$path";
1386	my $map = new_from_path cf::map $path	1966	my $map = new_from_path cf::map $path
1387	or return;	1967	or return;
1388		1968
1389	$map->{last_save} = $cf::RUNTIME;	1969	$map->{last_save} = $cf::RUNTIME;
1390		1970
1391	$map->load_header	1971	$map->load_header
1392	or return;	1972	or return;
1393		1973
1394	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1974	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1395	# doing this can freeze the server in a sync job, obviously	1975	# doing this can freeze the server in a sync job, obviously
1396	#$cf::WAIT_FOR_TICK->wait;	1976	#$cf::WAIT_FOR_TICK->wait;
		1977	undef $guard2;
		1978	undef $guard1;
1397	$map->reset;	1979	$map->reset;
1398	undef $guard;
1399	return find $path;	1980	return find $path;
1400	}	1981	}
1401		1982
1402	$cf::MAP{$path} = $map	1983	$cf::MAP{$path} = $map
1403	}	1984	}
…		…
1410	my ($self) = @_;	1991	my ($self) = @_;
1411		1992
1412	local $self->{deny_reset} = 1; # loading can take a long time	1993	local $self->{deny_reset} = 1; # loading can take a long time
1413		1994
1414	my $path = $self->{path};	1995	my $path = $self->{path};
		1996
		1997	{
1415	my $guard = cf::lock_acquire "map_load:$path";	1998	my $guard = cf::lock_acquire "map_data:$path";
1416		1999
		2000	return unless $self->valid;
1417	return if $self->in_memory != cf::MAP_SWAPPED;	2001	return unless $self->in_memory == cf::MAP_SWAPPED;
1418		2002
1419	$self->in_memory (cf::MAP_LOADING);	2003	$self->in_memory (cf::MAP_LOADING);
1420		2004
1421	$self->alloc;	2005	$self->alloc;
1422		2006
1423	$self->pre_load;	2007	$self->pre_load;
		2008	cf::cede_to_tick;
1424		2009
1425	$self->_load_objects ($self->{load_path}, 1)	2010	my $f = new_from_file cf::object::thawer $self->{load_path};
		2011	$f->skip_block;
		2012	$self->_load_objects ($f)
1426	or return;	2013	or return;
1427		2014
1428	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2015	$self->post_load_original
1429	if delete $self->{load_original};	2016	if delete $self->{load_original};
1430		2017
1431	if (my $uniq = $self->uniq_path) {	2018	if (my $uniq = $self->uniq_path) {
1432	utf8::encode $uniq;	2019	utf8::encode $uniq;
1433	if (aio_open $uniq, O_RDONLY, 0) {	2020	unless (aio_stat $uniq) {
		2021	if (my $f = new_from_file cf::object::thawer $uniq) {
1434	$self->clear_unique_items;	2022	$self->clear_unique_items;
1435	$self->_load_objects ($uniq, 0);	2023	$self->_load_objects ($f);
		2024	$f->resolve_delayed_derefs;
		2025	}
1436	}	2026	}
1437	}	2027	}
1438		2028
1439	Coro::cede;	2029	$f->resolve_delayed_derefs;
1440		2030
		2031	cf::cede_to_tick;
1441	# now do the right thing for maps	2032	# now do the right thing for maps
1442	$self->link_multipart_objects;	2033	$self->link_multipart_objects;
1443
1444	unless ($self->{deny_activate}) {
1445	$self->decay_objects;
1446	$self->fix_auto_apply;
1447	$self->update_buttons;
1448	Coro::cede;
1449	$self->set_darkness_map;
1450	$self->difficulty ($self->estimate_difficulty)	2034	$self->difficulty ($self->estimate_difficulty)
1451	unless $self->difficulty;	2035	unless $self->difficulty;
1452	Coro::cede;	2036	cf::cede_to_tick;
		2037
		2038	unless ($self->{deny_activate}) {
		2039	$self->decay_objects;
		2040	$self->fix_auto_apply;
		2041	$self->update_buttons;
		2042	cf::cede_to_tick;
1453	$self->activate;	2043	$self->activate;
		2044	}
		2045
		2046	$self->{last_save} = $cf::RUNTIME;
		2047	$self->last_access ($cf::RUNTIME);
		2048
		2049	$self->in_memory (cf::MAP_ACTIVE);
1454	}	2050	}
1455		2051
1456	$self->post_load;	2052	$self->post_load;
1457
1458	$self->in_memory (cf::MAP_IN_MEMORY);
1459	}	2053	}
1460		2054
1461	sub customise_for {	2055	sub customise_for {
1462	my ($self, $ob) = @_;	2056	my ($self, $ob) = @_;
1463		2057
1464	return find "~" . $ob->name . "/" . $self->{path}	2058	return find "~" . $ob->name . "/" . $self->{path}
1465	if $self->per_player;	2059	if $self->per_player;
1466		2060
		2061	# return find "?party/" . $ob->name . "/" . $self->{path}
		2062	# if $self->per_party;
		2063
1467	$self	2064	$self
1468	}	2065	}
1469		2066
1470	# find and load all maps in the 3x3 area around a map	2067	# find and load all maps in the 3x3 area around a map
1471	sub load_diag {	2068	sub load_neighbours {
1472	my ($map) = @_;	2069	my ($map) = @_;
1473		2070
1474	my @diag; # diagonal neighbours	2071	my @neigh; # diagonal neighbours
1475		2072
1476	for (0 .. 3) {	2073	for (0 .. 3) {
1477	my $neigh = $map->tile_path ($_)	2074	my $neigh = $map->tile_path ($_)
1478	or next;	2075	or next;
1479	$neigh = find $neigh, $map	2076	$neigh = find $neigh, $map
1480	or next;	2077	or next;
1481	$neigh->load;	2078	$neigh->load;
1482		2079
		2080	push @neigh,
1483	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2081	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1484	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2082	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1485	}	2083	}
1486		2084
1487	for (@diag) {	2085	for (grep defined $_->[0], @neigh) {
		2086	my ($path, $origin) = @$_;
1488	my $neigh = find @$_	2087	my $neigh = find $path, $origin
1489	or next;	2088	or next;
1490	$neigh->load;	2089	$neigh->load;
1491	}	2090	}
1492	}	2091	}
1493		2092
…		…
1498	}	2097	}
1499		2098
1500	sub do_load_sync {	2099	sub do_load_sync {
1501	my ($map) = @_;	2100	my ($map) = @_;
1502		2101
		2102	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2103	if $Coro::current == $Coro::main;
		2104
1503	cf::sync_job { $map->load };	2105	cf::sync_job { $map->load };
1504	}	2106	}
1505		2107
1506	our %MAP_PREFETCH;	2108	our %MAP_PREFETCH;
1507	our $MAP_PREFETCHER = undef;	2109	our $MAP_PREFETCHER = undef;
1508		2110
1509	sub find_async {	2111	sub find_async {
1510	my ($path, $origin) = @_;	2112	my ($path, $origin, $load) = @_;
1511		2113
1512	$path = normalise $path, $origin && $origin->{path};	2114	$path = normalise $path, $origin && $origin->{path};
1513		2115
1514	if (my $map = $cf::MAP{$path}) {	2116	if (my $map = $cf::MAP{$path}) {
1515	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2117	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1516	}	2118	}
1517		2119
1518	undef $MAP_PREFETCH{$path};	2120	$MAP_PREFETCH{$path} |= $load;
		2121
1519	$MAP_PREFETCHER ||= cf::async {	2122	$MAP_PREFETCHER ||= cf::async {
		2123	$Coro::current->{desc} = "map prefetcher";
		2124
1520	while (%MAP_PREFETCH) {	2125	while (%MAP_PREFETCH) {
1521	for my $path (keys %MAP_PREFETCH) {	2126	while (my ($k, $v) = each %MAP_PREFETCH) {
1522	my $map = find $path	2127	if (my $map = find $k) {
1523	or next;
1524	$map->load;	2128	$map->load if $v;
		2129	}
1525		2130
1526	delete $MAP_PREFETCH{$path};	2131	delete $MAP_PREFETCH{$k};
1527	}	2132	}
1528	}	2133	}
1529	undef $MAP_PREFETCHER;	2134	undef $MAP_PREFETCHER;
1530	};	2135	};
1531	$MAP_PREFETCHER->prio (6);	2136	$MAP_PREFETCHER->prio (6);
…		…
1534	}	2139	}
1535		2140
1536	sub save {	2141	sub save {
1537	my ($self) = @_;	2142	my ($self) = @_;
1538		2143
1539	my $lock = cf::lock_acquire "map_data:" . $self->path;	2144	my $lock = cf::lock_acquire "map_data:$self->{path}";
1540		2145
1541	$self->{last_save} = $cf::RUNTIME;	2146	$self->{last_save} = $cf::RUNTIME;
1542		2147
1543	return unless $self->dirty;	2148	return unless $self->dirty;
1544		2149
…		…
1550	return if $self->{deny_save};	2155	return if $self->{deny_save};
1551		2156
1552	local $self->{last_access} = $self->last_access;#d#	2157	local $self->{last_access} = $self->last_access;#d#
1553		2158
1554	cf::async {	2159	cf::async {
		2160	$Coro::current->{desc} = "map player save";
1555	$_->contr->save for $self->players;	2161	$_->contr->save for $self->players;
1556	};	2162	};
		2163
		2164	cf::get_slot 0.02;
1557		2165
1558	if ($uniq) {	2166	if ($uniq) {
1559	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2167	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1560	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2168	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1561	} else {	2169	} else {
…		…
1567	my ($self) = @_;	2175	my ($self) = @_;
1568		2176
1569	# save first because save cedes	2177	# save first because save cedes
1570	$self->save;	2178	$self->save;
1571		2179
1572	my $lock = cf::lock_acquire "map_data:" . $self->path;	2180	my $lock = cf::lock_acquire "map_data:$self->{path}";
1573		2181
1574	return if $self->players;	2182	return if $self->players;
1575	return if $self->in_memory != cf::MAP_IN_MEMORY;	2183	return if $self->in_memory != cf::MAP_ACTIVE;
1576	return if $self->{deny_save};	2184	return if $self->{deny_save};
1577		2185
		2186	$self->in_memory (cf::MAP_SWAPPED);
		2187
		2188	$self->deactivate;
		2189	$_->clear_links_to ($self) for values %cf::MAP;
1578	$self->clear;	2190	$self->clear;
1579	$self->in_memory (cf::MAP_SWAPPED);
1580	}	2191	}
1581		2192
1582	sub reset_at {	2193	sub reset_at {
1583	my ($self) = @_;	2194	my ($self) = @_;
1584		2195
1585	# TODO: safety, remove and allow resettable per-player maps	2196	# TODO: safety, remove and allow resettable per-player maps
1586	return 1e99 if $self->isa ("ext::map_per_player");#d#
1587	return 1e99 if $self->{deny_reset};	2197	return 1e99 if $self->{deny_reset};
1588		2198
1589	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2199	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1590	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2200	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1591		2201
…		…
1602	my ($self) = @_;	2212	my ($self) = @_;
1603		2213
1604	my $lock = cf::lock_acquire "map_data:$self->{path}";	2214	my $lock = cf::lock_acquire "map_data:$self->{path}";
1605		2215
1606	return if $self->players;	2216	return if $self->players;
1607	return if $self->isa ("ext::map_per_player");#d#
1608		2217
1609	warn "resetting map ", $self->path;#d#	2218	warn "resetting map ", $self->path;
		2219
		2220	$self->in_memory (cf::MAP_SWAPPED);
		2221
		2222	# need to save uniques path
		2223	unless ($self->{deny_save}) {
		2224	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2225
		2226	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2227	if $uniq;
		2228	}
1610		2229
1611	delete $cf::MAP{$self->path};	2230	delete $cf::MAP{$self->path};
1612		2231
1613	$self->in_memory (cf::MAP_SWAPPED);	2232	$self->deactivate;
		2233	$_->clear_links_to ($self) for values %cf::MAP;
1614	$self->clear;	2234	$self->clear;
1615
1616	$_->clear_links_to ($self) for values %cf::MAP;
1617		2235
1618	$self->unlink_save;	2236	$self->unlink_save;
1619	$self->destroy;	2237	$self->destroy;
1620	}	2238	}
1621		2239
1622	my $nuke_counter = "aaaa";	2240	my $nuke_counter = "aaaa";
1623		2241
1624	sub nuke {	2242	sub nuke {
1625	my ($self) = @_;	2243	my ($self) = @_;
1626		2244
		2245	{
		2246	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2247
1627	delete $cf::MAP{$self->path};	2248	delete $cf::MAP{$self->path};
1628		2249
1629	$self->unlink_save;	2250	$self->unlink_save;
1630		2251
1631	bless $self, "cf::map";	2252	bless $self, "cf::map";
1632	delete $self->{deny_reset};	2253	delete $self->{deny_reset};
1633	$self->{deny_save} = 1;	2254	$self->{deny_save} = 1;
1634	$self->reset_timeout (1);	2255	$self->reset_timeout (1);
1635	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2256	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1636		2257
1637	$cf::MAP{$self->path} = $self;	2258	$cf::MAP{$self->path} = $self;
		2259	}
1638		2260
1639	$self->reset; # polite request, might not happen	2261	$self->reset; # polite request, might not happen
		2262	}
		2263
		2264	=item $maps = cf::map::tmp_maps
		2265
		2266	Returns an arrayref with all map paths of currently instantiated and saved
		2267	maps. May block.
		2268
		2269	=cut
		2270
		2271	sub tmp_maps() {
		2272	[
		2273	map {
		2274	utf8::decode $_;
		2275	/\.map$/
		2276	? normalise $_
		2277	: ()
		2278	} @{ aio_readdir $TMPDIR or [] }
		2279	]
		2280	}
		2281
		2282	=item $maps = cf::map::random_maps
		2283
		2284	Returns an arrayref with all map paths of currently instantiated and saved
		2285	random maps. May block.
		2286
		2287	=cut
		2288
		2289	sub random_maps() {
		2290	[
		2291	map {
		2292	utf8::decode $_;
		2293	/\.map$/
		2294	? normalise "?random/$_"
		2295	: ()
		2296	} @{ aio_readdir $RANDOMDIR or [] }
		2297	]
1640	}	2298	}
1641		2299
1642	=item cf::map::unique_maps	2300	=item cf::map::unique_maps
1643		2301
1644	Returns an arrayref of paths of all shared maps that have	2302	Returns an arrayref of paths of all shared maps that have
1645	instantiated unique items. May block.	2303	instantiated unique items. May block.
1646		2304
1647	=cut	2305	=cut
1648		2306
1649	sub unique_maps() {	2307	sub unique_maps() {
1650	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2308	[
1651	or return;	2309	map {
1652
1653	my @paths;
1654
1655	for (@$files) {
1656	utf8::decode $_;	2310	utf8::decode $_;
1657	next if /\.pst$/;	2311	s/\.map$//; # TODO future compatibility hack
1658	next unless /^$PATH_SEP/o;	2312	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1659		2313	? ()
1660	push @paths, cf::map::normalise $_;	2314	: normalise $_
		2315	} @{ aio_readdir $UNIQUEDIR or [] }
1661	}	2316	]
1662
1663	\@paths
1664	}	2317	}
1665
1666	package cf;
1667		2318
1668	=back	2319	=back
1669		2320
1670	=head3 cf::object	2321	=head3 cf::object
1671		2322
…		…
1675		2326
1676	=over 4	2327	=over 4
1677		2328
1678	=item $ob->inv_recursive	2329	=item $ob->inv_recursive
1679		2330
1680	Returns the inventory of the object _and_ their inventories, recursively.	2331	Returns the inventory of the object I<and> their inventories, recursively,
		2332	but I<not> the object itself.
1681		2333
1682	=cut	2334	=cut
1683		2335
1684	sub inv_recursive_;	2336	sub inv_recursive_;
1685	sub inv_recursive_ {	2337	sub inv_recursive_ {
…		…
1688		2340
1689	sub inv_recursive {	2341	sub inv_recursive {
1690	inv_recursive_ inv $_[0]	2342	inv_recursive_ inv $_[0]
1691	}	2343	}
1692		2344
		2345	=item $ref = $ob->ref
		2346
		2347	Creates and returns a persistent reference to an object that can be stored as a string.
		2348
		2349	=item $ob = cf::object::deref ($refstring)
		2350
		2351	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2352	even if the object actually exists. May block.
		2353
		2354	=cut
		2355
		2356	sub deref {
		2357	my ($ref) = @_;
		2358
		2359	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2360	my ($uuid, $name) = ($1, $2);
		2361	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2362	or return;
		2363	$pl->ob->uuid eq $uuid
		2364	or return;
		2365
		2366	$pl->ob
		2367	} else {
		2368	warn "$ref: cannot resolve object reference\n";
		2369	undef
		2370	}
		2371	}
		2372
1693	package cf;	2373	package cf;
1694		2374
1695	=back	2375	=back
1696		2376
1697	=head3 cf::object::player	2377	=head3 cf::object::player
…		…
1703	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2383	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1704	can be C<undef>. Does the right thing when the player is currently in a	2384	can be C<undef>. Does the right thing when the player is currently in a
1705	dialogue with the given NPC character.	2385	dialogue with the given NPC character.
1706		2386
1707	=cut	2387	=cut
		2388
		2389	our $SAY_CHANNEL = {
		2390	id => "say",
		2391	title => "Map",
		2392	reply => "say ",
		2393	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2394	};
		2395
		2396	our $CHAT_CHANNEL = {
		2397	id => "chat",
		2398	title => "Chat",
		2399	reply => "chat ",
		2400	tooltip => "Player chat and shouts, global to the server.",
		2401	};
1708		2402
1709	# rough implementation of a future "reply" method that works	2403	# rough implementation of a future "reply" method that works
1710	# with dialog boxes.	2404	# with dialog boxes.
1711	#TODO: the first argument must go, split into a $npc->reply_to ( method	2405	#TODO: the first argument must go, split into a $npc->reply_to ( method
1712	sub cf::object::player::reply($$$;$) {	2406	sub cf::object::player::reply($$$;$) {
…		…
1714		2408
1715	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2409	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1716		2410
1717	if ($self->{record_replies}) {	2411	if ($self->{record_replies}) {
1718	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2412	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2413
1719	} else {	2414	} else {
		2415	my $pl = $self->contr;
		2416
		2417	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2418	my $dialog = $pl->{npc_dialog};
		2419	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2420
		2421	} else {
1720	$msg = $npc->name . " says: $msg" if $npc;	2422	$msg = $npc->name . " says: $msg" if $npc;
1721	$self->message ($msg, $flags);	2423	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2424	}
1722	}	2425	}
		2426	}
		2427
		2428	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2429
		2430	=cut
		2431
		2432	sub cf::object::send_msg {
		2433	my $pl = shift->contr
		2434	or return;
		2435	$pl->send_msg (@_);
1723	}	2436	}
1724		2437
1725	=item $player_object->may ("access")	2438	=item $player_object->may ("access")
1726		2439
1727	Returns wether the given player is authorized to access resource "access"	2440	Returns wether the given player is authorized to access resource "access"
…		…
1740		2453
1741	=item $player_object->enter_link	2454	=item $player_object->enter_link
1742		2455
1743	Freezes the player and moves him/her to a special map (C<{link}>).	2456	Freezes the player and moves him/her to a special map (C<{link}>).
1744		2457
1745	The player should be reasonably safe there for short amounts of time. You	2458	The player should be reasonably safe there for short amounts of time (e.g.
1746	I<MUST> call C<leave_link> as soon as possible, though.	2459	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2460	though, as the palyer cannot control the character while it is on the link
		2461	map.
1747		2462
1748	Will never block.	2463	Will never block.
1749		2464
1750	=item $player_object->leave_link ($map, $x, $y)	2465	=item $player_object->leave_link ($map, $x, $y)
1751		2466
…		…
1774	$self->deactivate_recursive;	2489	$self->deactivate_recursive;
1775		2490
1776	return if UNIVERSAL::isa $self->map, "ext::map_link";	2491	return if UNIVERSAL::isa $self->map, "ext::map_link";
1777		2492
1778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2493	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1779	if $self->map;	2494	if $self->map && $self->map->{path} ne "{link}";
1780		2495
1781	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2496	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1782	}	2497	}
1783		2498
1784	sub cf::object::player::leave_link {	2499	sub cf::object::player::leave_link {
1785	my ($self, $map, $x, $y) = @_;	2500	my ($self, $map, $x, $y) = @_;
		2501
		2502	return unless $self->contr->active;
1786		2503
1787	my $link_pos = delete $self->{_link_pos};	2504	my $link_pos = delete $self->{_link_pos};
1788		2505
1789	unless ($map) {	2506	unless ($map) {
1790	# restore original map position	2507	# restore original map position
…		…
1804	# use -1 or undef as default coordinates, not 0, 0	2521	# use -1 or undef as default coordinates, not 0, 0
1805	($x, $y) = ($map->enter_x, $map->enter_y)	2522	($x, $y) = ($map->enter_x, $map->enter_y)
1806	if $x <=0 && $y <= 0;	2523	if $x <=0 && $y <= 0;
1807		2524
1808	$map->load;	2525	$map->load;
1809	$map->load_diag;	2526	$map->load_neighbours;
1810		2527
1811	return unless $self->contr->active;	2528	return unless $self->contr->active;
		2529	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1812	$self->activate_recursive;	2530	$self->activate_recursive;
		2531
		2532	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1813	$self->enter_map ($map, $x, $y);	2533	$self->enter_map ($map, $x, $y);
1814	}	2534	}
1815		2535
1816	cf::player->attach (	2536	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1817	on_logout => sub {
1818	my ($pl) = @_;
1819		2537
1820	# abort map switching before logout	2538	Moves the player to the given map-path and coordinates by first freezing
1821	if ($pl->ob->{_link_pos}) {	2539	her, loading and preparing them map, calling the provided $check callback
1822	cf::sync_job {	2540	that has to return the map if sucecssful, and then unfreezes the player on
1823	$pl->ob->leave_link	2541	the new (success) or old (failed) map position. In either case, $done will
1824	};	2542	be called at the end of this process.
1825	}
1826	},
1827	on_login => sub {
1828	my ($pl) = @_;
1829		2543
1830	# try to abort aborted map switching on player login :)	2544	Note that $check will be called with a potentially non-loaded map, so if
1831	# should happen only on crashes	2545	it needs a loaded map it has to call C<< ->load >>.
1832	if ($pl->ob->{_link_pos}) {
1833	$pl->ob->enter_link;
1834	(async {
1835	# we need this sleep as the login has a concurrent enter_exit running
1836	# and this sleep increases chances of the player not ending up in scorn
1837	$pl->ob->reply (undef,
1838	"There was an internal problem at your last logout, "
1839	. "the server will try to bring you to your intended destination in a second.",
1840	cf::NDI_RED);
1841	Coro::Timer::sleep 1;
1842	$pl->ob->leave_link;
1843	})->prio (2);
1844	}
1845	},
1846	);
1847		2546
1848	=item $player_object->goto ($path, $x, $y)
1849
1850	=cut	2547	=cut
		2548
		2549	our $GOTOGEN;
1851		2550
1852	sub cf::object::player::goto {	2551	sub cf::object::player::goto {
1853	my ($self, $path, $x, $y) = @_;	2552	my ($self, $path, $x, $y, $check, $done) = @_;
		2553
		2554	# do generation counting so two concurrent goto's will be executed in-order
		2555	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1854		2556
1855	$self->enter_link;	2557	$self->enter_link;
1856		2558
1857	(async {	2559	(async {
		2560	$Coro::current->{desc} = "player::goto $path $x $y";
		2561
		2562	# *tag paths override both path and x|y
		2563	if ($path =~ /^\*(.*)$/) {
		2564	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2565	my $ob = $obs[rand @obs];
		2566
		2567	# see if we actually can go there
		2568	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2569	$ob = $obs[rand @obs];
		2570	} else {
		2571	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2572	}
		2573	# else put us there anyways for now #d#
		2574
		2575	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2576	} else {
		2577	($path, $x, $y) = (undef, undef, undef);
		2578	}
		2579	}
		2580
1858	my $map = eval {	2581	my $map = eval {
1859	my $map = cf::map::find $path;	2582	my $map = defined $path ? cf::map::find $path : undef;
		2583
		2584	if ($map) {
1860	$map = $map->customise_for ($self) if $map;	2585	$map = $map->customise_for ($self);
		2586	$map = $check->($map) if $check && $map;
		2587	} else {
		2588	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2589	}
		2590
1861	$map	2591	$map
		2592	};
		2593
		2594	if ($@) {
		2595	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2596	LOG llevError | logBacktrace, Carp::longmess $@;
1862	} or	2597	}
1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1864		2598
		2599	if ($gen == $self->{_goto_generation}) {
		2600	delete $self->{_goto_generation};
1865	$self->leave_link ($map, $x, $y);	2601	$self->leave_link ($map, $x, $y);
		2602	}
		2603
		2604	$done->() if $done;
1866	})->prio (1);	2605	})->prio (1);
1867	}	2606	}
1868		2607
1869	=item $player_object->enter_exit ($exit_object)	2608	=item $player_object->enter_exit ($exit_object)
1870		2609
…		…
1890	}	2629	}
1891		2630
1892	sub prepare_random_map {	2631	sub prepare_random_map {
1893	my ($exit) = @_;	2632	my ($exit) = @_;
1894		2633
1895	my $guard = cf::lock_acquire "exit_prepare:$exit";
1896
1897	# all this does is basically replace the /! path by	2634	# all this does is basically replace the /! path by
1898	# a new random map path (?random/...) with a seed	2635	# a new random map path (?random/...) with a seed
1899	# that depends on the exit object	2636	# that depends on the exit object
1900		2637
1901	my $rmp = parse_random_map_params $exit->msg;	2638	my $rmp = parse_random_map_params $exit->msg;
…		…
1903	if ($exit->map) {	2640	if ($exit->map) {
1904	$rmp->{region} = $exit->region->name;	2641	$rmp->{region} = $exit->region->name;
1905	$rmp->{origin_map} = $exit->map->path;	2642	$rmp->{origin_map} = $exit->map->path;
1906	$rmp->{origin_x} = $exit->x;	2643	$rmp->{origin_x} = $exit->x;
1907	$rmp->{origin_y} = $exit->y;	2644	$rmp->{origin_y} = $exit->y;
		2645
		2646	$exit->map->touch;
1908	}	2647	}
1909		2648
1910	$rmp->{random_seed} ||= $exit->random_seed;	2649	$rmp->{random_seed} ||= $exit->random_seed;
1911		2650
1912	my $data = cf::to_json $rmp;	2651	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1913	my $md5 = Digest::MD5::md5_hex $data;	2652	my $md5 = Digest::MD5::md5_hex $data;
1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2653	my $meta = "$RANDOMDIR/$md5.meta";
1915		2654
1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2655	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1917	aio_write $fh, 0, (length $data), $data, 0;	2656	aio_write $fh, 0, (length $data), $data, 0;
1918	undef $fh;	2657	undef $fh;
1919	aio_rename "$meta~", $meta;	2658	aio_rename "$meta~", $meta;
1920		2659
		2660	my $slaying = "?random/$md5";
		2661
		2662	if ($exit->valid) {
1921	$exit->slaying ("?random/$md5");	2663	$exit->slaying ("?random/$md5");
1922	$exit->msg (undef);	2664	$exit->msg (undef);
		2665	}
1923	}	2666	}
1924	}	2667	}
1925		2668
1926	sub cf::object::player::enter_exit {	2669	sub cf::object::player::enter_exit {
1927	my ($self, $exit) = @_;	2670	my ($self, $exit) = @_;
1928		2671
1929	return unless $self->type == cf::PLAYER;	2672	return unless $self->type == cf::PLAYER;
1930		2673
1931	if ($exit->slaying eq "/!") {
1932	#TODO: this should de-fi-ni-te-ly not be a sync-job
1933	cf::sync_job { prepare_random_map $exit };
1934	}
1935
1936	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1937	my $hp = $exit->stats->hp;
1938	my $sp = $exit->stats->sp;
1939
1940	$self->enter_link;	2674	$self->enter_link;
1941		2675
1942	(async {	2676	(async {
1943	$self->deactivate_recursive; # just to be sure	2677	$Coro::current->{desc} = "enter_exit";
		2678
1944	unless (eval {	2679	unless (eval {
		2680	$self->deactivate_recursive; # just to be sure
		2681
		2682	# random map handling
		2683	{
		2684	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2685
		2686	prepare_random_map $exit
		2687	if $exit->slaying eq "/!";
		2688	}
		2689
		2690	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2691	my $x = $exit->stats->hp;
		2692	my $y = $exit->stats->sp;
		2693
1945	$self->goto ($slaying, $hp, $sp);	2694	$self->goto ($map, $x, $y);
1946		2695
		2696	# if exit is damned, update players death & WoR home-position
		2697	$self->contr->savebed ($map, $x, $y)
		2698	if $exit->flag (cf::FLAG_DAMNED);
		2699
1947	1;	2700	1
1948	}) {	2701	}) {
1949	$self->message ("Something went wrong deep within the crossfire server. "	2702	$self->message ("Something went wrong deep within the deliantra server. "
1950	. "I'll try to bring you back to the map you were before. "	2703	. "I'll try to bring you back to the map you were before. "
1951	. "Please report this to the dungeon master!",	2704	. "Please report this to the dungeon master!",
1952	cf::NDI_UNIQUE | cf::NDI_RED);	2705	cf::NDI_UNIQUE | cf::NDI_RED);
1953		2706
1954	warn "ERROR in enter_exit: $@";	2707	warn "ERROR in enter_exit: $@";
1955	$self->leave_link;	2708	$self->leave_link;
1956	}	2709	}
1957	})->prio (1);	2710	})->prio (1);
…		…
1970		2723
1971	sub cf::client::send_drawinfo {	2724	sub cf::client::send_drawinfo {
1972	my ($self, $text, $flags) = @_;	2725	my ($self, $text, $flags) = @_;
1973		2726
1974	utf8::encode $text;	2727	utf8::encode $text;
1975	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2728	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1976	}	2729	}
1977		2730
		2731	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2732
		2733	Send a drawinfo or msg packet to the client, formatting the msg for the
		2734	client if neccessary. C<$type> should be a string identifying the type of
		2735	the message, with C<log> being the default. If C<$color> is negative, suppress
		2736	the message unless the client supports the msg packet.
		2737
		2738	=cut
		2739
		2740	# non-persistent channels (usually the info channel)
		2741	our %CHANNEL = (
		2742	"c/identify" => {
		2743	id => "infobox",
		2744	title => "Identify",
		2745	reply => undef,
		2746	tooltip => "Items recently identified",
		2747	},
		2748	"c/examine" => {
		2749	id => "infobox",
		2750	title => "Examine",
		2751	reply => undef,
		2752	tooltip => "Signs and other items you examined",
		2753	},
		2754	"c/book" => {
		2755	id => "infobox",
		2756	title => "Book",
		2757	reply => undef,
		2758	tooltip => "The contents of a note or book",
		2759	},
		2760	"c/lookat" => {
		2761	id => "infobox",
		2762	title => "Look",
		2763	reply => undef,
		2764	tooltip => "What you saw there",
		2765	},
		2766	"c/who" => {
		2767	id => "infobox",
		2768	title => "Players",
		2769	reply => undef,
		2770	tooltip => "Shows players who are currently online",
		2771	},
		2772	"c/body" => {
		2773	id => "infobox",
		2774	title => "Body Parts",
		2775	reply => undef,
		2776	tooltip => "Shows which body parts you posess and are available",
		2777	},
		2778	"c/statistics" => {
		2779	id => "infobox",
		2780	title => "Statistics",
		2781	reply => undef,
		2782	tooltip => "Shows your primary statistics",
		2783	},
		2784	"c/skills" => {
		2785	id => "infobox",
		2786	title => "Skills",
		2787	reply => undef,
		2788	tooltip => "Shows your experience per skill and item power",
		2789	},
		2790	"c/shopitems" => {
		2791	id => "infobox",
		2792	title => "Shop Items",
		2793	reply => undef,
		2794	tooltip => "Shows the items currently for sale in this shop",
		2795	},
		2796	"c/resistances" => {
		2797	id => "infobox",
		2798	title => "Resistances",
		2799	reply => undef,
		2800	tooltip => "Shows your resistances",
		2801	},
		2802	"c/pets" => {
		2803	id => "infobox",
		2804	title => "Pets",
		2805	reply => undef,
		2806	tooltip => "Shows information abotu your pets/a specific pet",
		2807	},
		2808	"c/uptime" => {
		2809	id => "infobox",
		2810	title => "Uptime",
		2811	reply => undef,
		2812	tooltip => "How long the server has been running since last restart",
		2813	},
		2814	"c/mapinfo" => {
		2815	id => "infobox",
		2816	title => "Map Info",
		2817	reply => undef,
		2818	tooltip => "Information related to the maps",
		2819	},
		2820	"c/party" => {
		2821	id => "party",
		2822	title => "Party",
		2823	reply => "gsay ",
		2824	tooltip => "Messages and chat related to your party",
		2825	},
		2826	"c/death" => {
		2827	id => "death",
		2828	title => "Death",
		2829	reply => undef,
		2830	tooltip => "Reason for and more info about your most recent death",
		2831	},
		2832	"c/say" => $SAY_CHANNEL,
		2833	"c/chat" => $CHAT_CHANNEL,
		2834	);
		2835
		2836	sub cf::client::send_msg {
		2837	my ($self, $channel, $msg, $color, @extra) = @_;
		2838
		2839	$msg = $self->pl->expand_cfpod ($msg)
		2840	unless $color & cf::NDI_VERBATIM;
		2841
		2842	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2843
		2844	# check predefined channels, for the benefit of C
		2845	if ($CHANNEL{$channel}) {
		2846	$channel = $CHANNEL{$channel};
		2847
		2848	$self->ext_msg (channel_info => $channel);
		2849	$channel = $channel->{id};
		2850
		2851	} elsif (ref $channel) {
		2852	# send meta info to client, if not yet sent
		2853	unless (exists $self->{channel}{$channel->{id}}) {
		2854	$self->{channel}{$channel->{id}} = $channel;
		2855	$self->ext_msg (channel_info => $channel);
		2856	}
		2857
		2858	$channel = $channel->{id};
		2859	}
		2860
		2861	return unless @extra || length $msg;
		2862
		2863	# default colour, mask it out
		2864	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2865	if $color & cf::NDI_DEF;
		2866
		2867	my $pkt = "msg "
		2868	. $self->{json_coder}->encode (
		2869	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2870	);
		2871
		2872	# try lzf for large packets
		2873	$pkt = "lzf " . Compress::LZF::compress $pkt
		2874	if 1024 <= length $pkt and $self->{can_lzf};
		2875
		2876	# split very large packets
		2877	if (8192 < length $pkt and $self->{can_lzf}) {
		2878	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2879	$pkt = "frag";
		2880	}
		2881
		2882	$self->send_packet ($pkt);
		2883	}
		2884
		2885	=item $client->ext_msg ($type, @msg)
		2886
		2887	Sends an ext event to the client.
		2888
		2889	=cut
		2890
		2891	sub cf::client::ext_msg($$@) {
		2892	my ($self, $type, @msg) = @_;
		2893
		2894	if ($self->extcmd == 2) {
		2895	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2896	} elsif ($self->extcmd == 1) { # TODO: remove
		2897	push @msg, msgtype => "event_$type";
		2898	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2899	}
		2900	}
		2901
		2902	=item $client->ext_reply ($msgid, @msg)
		2903
		2904	Sends an ext reply to the client.
		2905
		2906	=cut
		2907
		2908	sub cf::client::ext_reply($$@) {
		2909	my ($self, $id, @msg) = @_;
		2910
		2911	if ($self->extcmd == 2) {
		2912	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2913	} elsif ($self->extcmd == 1) {
		2914	#TODO: version 1, remove
		2915	unshift @msg, msgtype => "reply", msgid => $id;
		2916	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2917	}
		2918	}
1978		2919
1979	=item $success = $client->query ($flags, "text", \&cb)	2920	=item $success = $client->query ($flags, "text", \&cb)
1980		2921
1981	Queues a query to the client, calling the given callback with	2922	Queues a query to the client, calling the given callback with
1982	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2923	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1983	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2924	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1984		2925
1985	Queries can fail, so check the return code. Or don't, as queries will become	2926	Queries can fail, so check the return code. Or don't, as queries will
1986	reliable at some point in the future.	2927	become reliable at some point in the future.
1987		2928
1988	=cut	2929	=cut
1989		2930
1990	sub cf::client::query {	2931	sub cf::client::query {
1991	my ($self, $flags, $text, $cb) = @_;	2932	my ($self, $flags, $text, $cb) = @_;
…		…
1999	utf8::encode $text;	2940	utf8::encode $text;
2000	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2941	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2001		2942
2002	$self->send_packet ($self->{query_queue}[0][0])	2943	$self->send_packet ($self->{query_queue}[0][0])
2003	if @{ $self->{query_queue} } == 1;	2944	if @{ $self->{query_queue} } == 1;
		2945
		2946	1
2004	}	2947	}
2005		2948
2006	cf::client->attach (	2949	cf::client->attach (
		2950	on_connect => sub {
		2951	my ($ns) = @_;
		2952
		2953	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2954	},
2007	on_reply => sub {	2955	on_reply => sub {
2008	my ($ns, $msg) = @_;	2956	my ($ns, $msg) = @_;
2009		2957
2010	# this weird shuffling is so that direct followup queries	2958	# this weird shuffling is so that direct followup queries
2011	# get handled first	2959	# get handled first
…		…
2023	} else {	2971	} else {
2024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2972	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2025	}	2973	}
2026	}	2974	}
2027	},	2975	},
		2976	on_exticmd => sub {
		2977	my ($ns, $buf) = @_;
		2978
		2979	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2980
		2981	if (ref $msg) {
		2982	my ($type, $reply, @payload) =
		2983	"ARRAY" eq ref $msg
		2984	? @$msg
		2985	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2986
		2987	my @reply;
		2988
		2989	if (my $cb = $EXTICMD{$type}) {
		2990	@reply = $cb->($ns, @payload);
		2991	}
		2992
		2993	$ns->ext_reply ($reply, @reply)
		2994	if $reply;
		2995
		2996	} else {
		2997	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2998	}
		2999
		3000	cf::override;
		3001	},
2028	);	3002	);
2029		3003
2030	=item $client->async (\&cb)	3004	=item $client->async (\&cb)
2031		3005
2032	Create a new coroutine, running the specified callback. The coroutine will	3006	Create a new coroutine, running the specified callback. The coroutine will
…		…
2073	our $safe = new Safe "safe";	3047	our $safe = new Safe "safe";
2074	our $safe_hole = new Safe::Hole;	3048	our $safe_hole = new Safe::Hole;
2075		3049
2076	$SIG{FPE} = 'IGNORE';	3050	$SIG{FPE} = 'IGNORE';
2077		3051
2078	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3052	$safe->permit_only (Opcode::opset qw(
		3053	:base_core :base_mem :base_orig :base_math
		3054	grepstart grepwhile mapstart mapwhile
		3055	sort time
		3056	));
2079		3057
2080	# here we export the classes and methods available to script code	3058	# here we export the classes and methods available to script code
2081		3059
2082	=pod	3060	=pod
2083		3061
2084	The following fucntions and emthods are available within a safe environment:	3062	The following functions and methods are available within a safe environment:
2085		3063
2086	cf::object contr pay_amount pay_player map	3064	cf::object
		3065	contr pay_amount pay_player map x y force_find force_add destroy
		3066	insert remove name archname title slaying race decrease split
		3067	value
		3068
2087	cf::object::player player	3069	cf::object::player
2088	cf::player peaceful	3070	player
2089	cf::map trigger	3071
		3072	cf::player
		3073	peaceful
		3074
		3075	cf::map
		3076	trigger
2090		3077
2091	=cut	3078	=cut
2092		3079
2093	for (	3080	for (
2094	["cf::object" => qw(contr pay_amount pay_player map)],	3081	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3082	insert remove inv nrof name archname title slaying race
		3083	decrease split destroy change_exp value msg lore send_msg)],
2095	["cf::object::player" => qw(player)],	3084	["cf::object::player" => qw(player)],
2096	["cf::player" => qw(peaceful)],	3085	["cf::player" => qw(peaceful send_msg)],
2097	["cf::map" => qw(trigger)],	3086	["cf::map" => qw(trigger)],
2098	) {	3087	) {
2099	no strict 'refs';	3088	no strict 'refs';
2100	my ($pkg, @funs) = @$_;	3089	my ($pkg, @funs) = @$_;
2101	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3090	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2118	my ($code, %vars) = @_;	3107	my ($code, %vars) = @_;
2119		3108
2120	my $qcode = $code;	3109	my $qcode = $code;
2121	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3110	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2122	$qcode =~ s/\n/\\n/g;	3111	$qcode =~ s/\n/\\n/g;
		3112
		3113	%vars = (_dummy => 0) unless %vars;
2123		3114
2124	local $_;	3115	local $_;
2125	local @safe::cf::_safe_eval_args = values %vars;	3116	local @safe::cf::_safe_eval_args = values %vars;
2126		3117
2127	my $eval =	3118	my $eval =
…		…
2170	=back	3161	=back
2171		3162
2172	=cut	3163	=cut
2173		3164
2174	#############################################################################	3165	#############################################################################
2175
2176	=head2 EXTENSION DATABASE SUPPORT
2177
2178	Crossfire maintains a very simple database for extension use. It can
2179	currently store anything that can be serialised using Storable, which
2180	excludes objects.
2181
2182	The parameter C<$family> should best start with the name of the extension
2183	using it, it should be unique.
2184
2185	=over 4
2186
2187	=item $hashref = cf::db_get $family
2188
2189	Return a hashref for use by the extension C<$family>, which can be
2190	modified. After modifications, you have to call C<cf::db_dirty> or
2191	C<cf::db_sync>.
2192
2193	=item $value = cf::db_get $family => $key
2194
2195	Returns a single value from the database
2196
2197	=item cf::db_put $family => $hashref
2198
2199	Stores the given family hashref into the database. Updates are delayed, if
2200	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2201
2202	=item cf::db_put $family => $key => $value
2203
2204	Stores the given C<$value> in the family hash. Updates are delayed, if you
2205	want the data to be synced to disk immediately, use C<cf::db_sync>.
2206
2207	=item cf::db_dirty
2208
2209	Marks the database as dirty, to be updated at a later time.
2210
2211	=item cf::db_sync
2212
2213	Immediately write the database to disk I<if it is dirty>.
2214
2215	=cut
2216
2217	our $DB;
2218
2219	{
2220	my $path = cf::localdir . "/database.pst";
2221
2222	sub db_load() {
2223	$DB = stat $path ? Storable::retrieve $path : { };
2224	}
2225
2226	my $pid;
2227
2228	sub db_save() {
2229	waitpid $pid, 0 if $pid;
2230	if (0 == ($pid = fork)) {
2231	$DB->{_meta}{version} = 1;
2232	Storable::nstore $DB, "$path~";
2233	rename "$path~", $path;
2234	cf::_exit 0 if defined $pid;
2235	}
2236	}
2237
2238	my $dirty;
2239
2240	sub db_sync() {
2241	db_save if $dirty;
2242	undef $dirty;
2243	}
2244
2245	my $idle = Event->idle (
2246	reentrant => 0,
2247	min => 10,
2248	max => 20,
2249	repeat => 0,
2250	data => WF_AUTOCANCEL,
2251	cb => \&db_sync,
2252	);
2253
2254	sub db_dirty() {
2255	$dirty = 1;
2256	$idle->start;
2257	}
2258
2259	sub db_get($;$) {
2260	@_ >= 2
2261	? $DB->{$_[0]}{$_[1]}
2262	: ($DB->{$_[0]} ||= { })
2263	}
2264
2265	sub db_put($$;$) {
2266	if (@_ >= 3) {
2267	$DB->{$_[0]}{$_[1]} = $_[2];
2268	} else {
2269	$DB->{$_[0]} = $_[1];
2270	}
2271	db_dirty;
2272	}
2273
2274	cf::global->attach (
2275	prio => 10000,
2276	on_cleanup => sub {
2277	db_sync;
2278	},
2279	);
2280	}
2281
2282	#############################################################################
2283	# the server's init and main functions	3166	# the server's init and main functions
2284		3167
		3168	sub load_facedata($) {
		3169	my ($path) = @_;
		3170
		3171	# HACK to clear player env face cache, we need some signal framework
		3172	# for this (global event?)
		3173	%ext::player_env::MUSIC_FACE_CACHE = ();
		3174
		3175	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3176
		3177	warn "loading facedata from $path\n";
		3178
		3179	my $facedata;
		3180	0 < aio_load $path, $facedata
		3181	or die "$path: $!";
		3182
		3183	$facedata = Coro::Storable::thaw $facedata;
		3184
		3185	$facedata->{version} == 2
		3186	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3187
		3188	# patch in the exptable
		3189	$facedata->{resource}{"res/exp_table"} = {
		3190	type => FT_RSRC,
		3191	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3192	};
		3193	cf::cede_to_tick;
		3194
		3195	{
		3196	my $faces = $facedata->{faceinfo};
		3197
		3198	while (my ($face, $info) = each %$faces) {
		3199	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3200
		3201	cf::face::set_visibility $idx, $info->{visibility};
		3202	cf::face::set_magicmap $idx, $info->{magicmap};
		3203	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3204	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3205
		3206	cf::cede_to_tick;
		3207	}
		3208
		3209	while (my ($face, $info) = each %$faces) {
		3210	next unless $info->{smooth};
		3211
		3212	my $idx = cf::face::find $face
		3213	or next;
		3214
		3215	if (my $smooth = cf::face::find $info->{smooth}) {
		3216	cf::face::set_smooth $idx, $smooth;
		3217	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3218	} else {
		3219	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3220	}
		3221
		3222	cf::cede_to_tick;
		3223	}
		3224	}
		3225
		3226	{
		3227	my $anims = $facedata->{animinfo};
		3228
		3229	while (my ($anim, $info) = each %$anims) {
		3230	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3231	cf::cede_to_tick;
		3232	}
		3233
		3234	cf::anim::invalidate_all; # d'oh
		3235	}
		3236
		3237	{
		3238	# TODO: for gcfclient pleasure, we should give resources
		3239	# that gcfclient doesn't grok a >10000 face index.
		3240	my $res = $facedata->{resource};
		3241
		3242	while (my ($name, $info) = each %$res) {
		3243	if (defined $info->{type}) {
		3244	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3245	my $data;
		3246
		3247	if ($info->{type} & 1) {
		3248	# prepend meta info
		3249
		3250	my $meta = $enc->encode ({
		3251	name => $name,
		3252	%{ $info->{meta} || {} },
		3253	});
		3254
		3255	$data = pack "(w/a*)*", $meta, $info->{data};
		3256	} else {
		3257	$data = $info->{data};
		3258	}
		3259
		3260	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3261	cf::face::set_type $idx, $info->{type};
		3262	} else {
		3263	$RESOURCE{$name} = $info;
		3264	}
		3265
		3266	cf::cede_to_tick;
		3267	}
		3268	}
		3269
		3270	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3271
		3272	1
		3273	}
		3274
		3275	cf::global->attach (on_resource_update => sub {
		3276	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3277	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3278
		3279	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3280	my $sound = $soundconf->{compat}[$_]
		3281	or next;
		3282
		3283	my $face = cf::face::find "sound/$sound->[1]";
		3284	cf::sound::set $sound->[0] => $face;
		3285	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3286	}
		3287
		3288	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3289	my $face = cf::face::find "sound/$v";
		3290	cf::sound::set $k => $face;
		3291	}
		3292	}
		3293	});
		3294
		3295	register_exticmd fx_want => sub {
		3296	my ($ns, $want) = @_;
		3297
		3298	while (my ($k, $v) = each %$want) {
		3299	$ns->fx_want ($k, $v);
		3300	}
		3301	};
		3302
2285	sub load_resources {	3303	sub load_resource_file($) {
2286	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3304	my $guard = lock_acquire "load_resource_file";
		3305
		3306	my $status = load_resource_file_ $_[0];
		3307	get_slot 0.1, 100;
		3308	cf::arch::commit_load;
		3309
		3310	$status
		3311	}
		3312
		3313	sub reload_regions {
		3314	# HACK to clear player env face cache, we need some signal framework
		3315	# for this (global event?)
		3316	%ext::player_env::MUSIC_FACE_CACHE = ();
		3317
		3318	load_resource_file "$MAPDIR/regions"
2287	or die "unable to load regions file\n";#d#	3319	or die "unable to load regions file\n";
2288	}
2289		3320
2290	sub cfg_load {	3321	for (cf::region::list) {
		3322	$_->{match} = qr/$_->{match}/
		3323	if exists $_->{match};
		3324	}
		3325	}
		3326
		3327	sub reload_facedata {
		3328	load_facedata "$DATADIR/facedata"
		3329	or die "unable to load facedata\n";
		3330	}
		3331
		3332	sub reload_archetypes {
		3333	load_resource_file "$DATADIR/archetypes"
		3334	or die "unable to load archetypes\n";
		3335	}
		3336
		3337	sub reload_treasures {
		3338	load_resource_file "$DATADIR/treasures"
		3339	or die "unable to load treasurelists\n";
		3340	}
		3341
		3342	sub reload_resources {
		3343	warn "reloading resource files...\n";
		3344
		3345	reload_facedata;
		3346	reload_archetypes;
		3347	reload_regions;
		3348	reload_treasures;
		3349
		3350	warn "finished reloading resource files\n";
		3351	}
		3352
		3353	sub reload_config {
2291	open my $fh, "<:utf8", cf::confdir . "/config"	3354	open my $fh, "<:utf8", "$CONFDIR/config"
2292	or return;	3355	or return;
2293		3356
2294	local $/;	3357	local $/;
2295	*CFG = YAML::Syck::Load <$fh>;	3358	*CFG = YAML::Load <$fh>;
2296		3359
2297	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3360	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2298		3361
2299	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3362	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2300	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3363	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2306	};	3369	};
2307	warn $@ if $@;	3370	warn $@ if $@;
2308	}	3371	}
2309	}	3372	}
2310		3373
2311	sub init {	3374	sub pidfile() {
2312	load_resources;	3375	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3376	or die "$PIDFILE: $!";
		3377	flock $fh, &Fcntl::LOCK_EX
		3378	or die "$PIDFILE: flock: $!";
		3379	$fh
		3380	}
		3381
		3382	# make sure only one server instance is running at any one time
		3383	sub atomic {
		3384	my $fh = pidfile;
		3385
		3386	my $pid = <$fh>;
		3387	kill 9, $pid if $pid > 0;
		3388
		3389	seek $fh, 0, 0;
		3390	print $fh $$;
2313	}	3391	}
2314		3392
2315	sub main {	3393	sub main {
		3394	cf::init_globals; # initialise logging
		3395
		3396	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3397	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3398	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3399	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3400
		3401	cf::init_experience;
		3402	cf::init_anim;
		3403	cf::init_attackmess;
		3404	cf::init_dynamic;
		3405
		3406	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3407
2316	# we must not ever block the main coroutine	3408	# we must not ever block the main coroutine
2317	local $Coro::idle = sub {	3409	local $Coro::idle = sub {
2318	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3410	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2319	(async {	3411	(async {
2320	Event::one_event;	3412	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3413	EV::loop EV::LOOP_ONESHOT;
2321	})->prio (Coro::PRIO_MAX);	3414	})->prio (Coro::PRIO_MAX);
2322	};	3415	};
2323		3416
2324	cfg_load;	3417	evthread_start IO::AIO::poll_fileno;
2325	db_load;	3418
		3419	cf::sync_job {
		3420	reload_resources;
		3421	reload_config;
		3422	db_init;
		3423
		3424	cf::load_settings;
		3425	cf::load_materials;
		3426	cf::init_uuid;
		3427	cf::init_signals;
		3428	cf::init_commands;
		3429	cf::init_skills;
		3430
		3431	cf::init_beforeplay;
		3432
		3433	atomic;
		3434
2326	load_extensions;	3435	load_extensions;
2327		3436
2328	$TICK_WATCHER->start;	3437	utime time, time, $RUNTIMEFILE;
		3438
		3439	# no (long-running) fork's whatsoever before this point(!)
		3440	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3441
		3442	(pop @POST_INIT)->(0) while @POST_INIT;
		3443	};
		3444
2329	Event::loop;	3445	EV::loop;
2330	}	3446	}
2331		3447
2332	#############################################################################	3448	#############################################################################
2333	# initialisation and cleanup	3449	# initialisation and cleanup
2334		3450
2335	# install some emergency cleanup handlers	3451	# install some emergency cleanup handlers
2336	BEGIN {	3452	BEGIN {
		3453	our %SIGWATCHER = ();
2337	for my $signal (qw(INT HUP TERM)) {	3454	for my $signal (qw(INT HUP TERM)) {
2338	Event->signal (	3455	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2339	reentrant => 0,
2340	data => WF_AUTOCANCEL,
2341	signal => $signal,
2342	prio => 0,
2343	cb => sub {
2344	cf::cleanup "SIG$signal";	3456	cf::cleanup "SIG$signal";
2345	},
2346	);	3457	};
		3458	}
		3459	}
		3460
		3461	sub write_runtime_sync {
		3462	# first touch the runtime file to show we are still running:
		3463	# the fsync below can take a very very long time.
		3464
		3465	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3466
		3467	my $guard = cf::lock_acquire "write_runtime";
		3468
		3469	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3470	or return;
		3471
		3472	my $value = $cf::RUNTIME + 90 + 10;
		3473	# 10 is the runtime save interval, for a monotonic clock
		3474	# 60 allows for the watchdog to kill the server.
		3475
		3476	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3477	and return;
		3478
		3479	# always fsync - this file is important
		3480	aio_fsync $fh
		3481	and return;
		3482
		3483	# touch it again to show we are up-to-date
		3484	aio_utime $fh, undef, undef;
		3485
		3486	close $fh
		3487	or return;
		3488
		3489	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3490	and return;
		3491
		3492	warn "runtime file written.\n";
		3493
2347	}	3494	1
		3495	}
		3496
		3497	our $uuid_lock;
		3498	our $uuid_skip;
		3499
		3500	sub write_uuid_sync($) {
		3501	$uuid_skip ||= $_[0];
		3502
		3503	return if $uuid_lock;
		3504	local $uuid_lock = 1;
		3505
		3506	my $uuid = "$LOCALDIR/uuid";
		3507
		3508	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3509	or return;
		3510
		3511	my $value = uuid_seq uuid_cur;
		3512
		3513	unless ($value) {
		3514	warn "cowardly refusing to write zero uuid value!\n";
		3515	return;
		3516	}
		3517
		3518	my $value = uuid_str $value + $uuid_skip;
		3519	$uuid_skip = 0;
		3520
		3521	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3522	and return;
		3523
		3524	# always fsync - this file is important
		3525	aio_fsync $fh
		3526	and return;
		3527
		3528	close $fh
		3529	or return;
		3530
		3531	aio_rename "$uuid~", $uuid
		3532	and return;
		3533
		3534	warn "uuid file written ($value).\n";
		3535
		3536	1
		3537
		3538	}
		3539
		3540	sub write_uuid($$) {
		3541	my ($skip, $sync) = @_;
		3542
		3543	$sync ? write_uuid_sync $skip
		3544	: async { write_uuid_sync $skip };
2348	}	3545	}
2349		3546
2350	sub emergency_save() {	3547	sub emergency_save() {
2351	my $freeze_guard = cf::freeze_mainloop;	3548	my $freeze_guard = cf::freeze_mainloop;
2352		3549
2353	warn "enter emergency perl save\n";	3550	warn "emergency_perl_save: enter\n";
2354		3551
2355	cf::sync_job {	3552	cf::sync_job {
		3553	# this is a trade-off: we want to be very quick here, so
		3554	# save all maps without fsync, and later call a global sync
		3555	# (which in turn might be very very slow)
		3556	local $USE_FSYNC = 0;
		3557
2356	# use a peculiar iteration method to avoid tripping on perl	3558	# use a peculiar iteration method to avoid tripping on perl
2357	# refcount bugs in for. also avoids problems with players	3559	# refcount bugs in for. also avoids problems with players
2358	# and maps saved/destroyed asynchronously.	3560	# and maps saved/destroyed asynchronously.
2359	warn "begin emergency player save\n";	3561	warn "emergency_perl_save: begin player save\n";
2360	for my $login (keys %cf::PLAYER) {	3562	for my $login (keys %cf::PLAYER) {
2361	my $pl = $cf::PLAYER{$login} or next;	3563	my $pl = $cf::PLAYER{$login} or next;
2362	$pl->valid or next;	3564	$pl->valid or next;
		3565	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2363	$pl->save;	3566	$pl->save;
2364	}	3567	}
2365	warn "end emergency player save\n";	3568	warn "emergency_perl_save: end player save\n";
2366		3569
2367	warn "begin emergency map save\n";	3570	warn "emergency_perl_save: begin map save\n";
2368	for my $path (keys %cf::MAP) {	3571	for my $path (keys %cf::MAP) {
2369	my $map = $cf::MAP{$path} or next;	3572	my $map = $cf::MAP{$path} or next;
2370	$map->valid or next;	3573	$map->valid or next;
2371	$map->save;	3574	$map->save;
2372	}	3575	}
2373	warn "end emergency map save\n";	3576	warn "emergency_perl_save: end map save\n";
		3577
		3578	warn "emergency_perl_save: begin database checkpoint\n";
		3579	BDB::db_env_txn_checkpoint $DB_ENV;
		3580	warn "emergency_perl_save: end database checkpoint\n";
		3581
		3582	warn "emergency_perl_save: begin write uuid\n";
		3583	write_uuid_sync 1;
		3584	warn "emergency_perl_save: end write uuid\n";
2374	};	3585	};
2375		3586
		3587	warn "emergency_perl_save: starting sync()\n";
		3588	IO::AIO::aio_sync sub {
		3589	warn "emergency_perl_save: finished sync()\n";
		3590	};
		3591
2376	warn "leave emergency perl save\n";	3592	warn "emergency_perl_save: leave\n";
2377	}	3593	}
2378		3594
		3595	sub post_cleanup {
		3596	my ($make_core) = @_;
		3597
		3598	warn Carp::longmess "post_cleanup backtrace"
		3599	if $make_core;
		3600
		3601	my $fh = pidfile;
		3602	unlink $PIDFILE if <$fh> == $$;
		3603	}
		3604
		3605	# a safer delete_package, copied from Symbol
		3606	sub clear_package($) {
		3607	my $pkg = shift;
		3608
		3609	# expand to full symbol table name if needed
		3610	unless ($pkg =~ /^main::.*::$/) {
		3611	$pkg = "main$pkg" if $pkg =~ /^::/;
		3612	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3613	$pkg .= '::' unless $pkg =~ /::$/;
		3614	}
		3615
		3616	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3617	my $stem_symtab = *{$stem}{HASH};
		3618
		3619	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3620	or return;
		3621
		3622	# clear all symbols
		3623	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3624	for my $name (keys %$leaf_symtab) {
		3625	_gv_clear *{"$pkg$name"};
		3626	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3627	}
		3628	warn "cleared package $pkg\n";#d#
		3629	}
		3630
2379	sub reload() {	3631	sub do_reload_perl() {
2380	# can/must only be called in main	3632	# can/must only be called in main
2381	if ($Coro::current != $Coro::main) {	3633	if ($Coro::current != $Coro::main) {
2382	warn "can only reload from main coroutine";	3634	warn "can only reload from main coroutine";
2383	return;	3635	return;
2384	}	3636	}
2385		3637
		3638	return if $RELOAD++;
		3639
		3640	my $t1 = EV::time;
		3641
		3642	while ($RELOAD) {
2386	warn "reloading...";	3643	warn "reloading...";
2387		3644
2388	warn "cancelling server ticker";	3645	warn "entering sync_job";
2389	$TICK_WATCHER->cancel;
2390		3646
		3647	cf::sync_job {
		3648	cf::write_runtime_sync; # external watchdog should not bark
2391	cf::emergency_save;	3649	cf::emergency_save;
		3650	cf::write_runtime_sync; # external watchdog should not bark
2392		3651
2393	eval {	3652	warn "syncing database to disk";
		3653	BDB::db_env_txn_checkpoint $DB_ENV;
		3654
2394	# if anything goes wrong in here, we should simply crash as we already saved	3655	# if anything goes wrong in here, we should simply crash as we already saved
2395		3656
2396	warn "syncing database to disk";
2397	cf::db_sync;
2398
2399	warn "cancelling all WF_AUTOCANCEL watchers";
2400	for (Event::all_watchers) {
2401	$_->cancel if $_->data & WF_AUTOCANCEL;
2402	}
2403
2404	warn "flushing outstanding aio requests";	3657	warn "flushing outstanding aio requests";
2405	for (;;) {	3658	while (IO::AIO::nreqs || BDB::nreqs) {
2406	IO::AIO::flush;	3659	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2407	Coro::cede;
2408	last unless IO::AIO::nreqs;
2409	warn "iterate...";
2410	}
2411
2412	warn "cancelling all extension coros";
2413	$_->cancel for values %EXT_CORO;
2414	%EXT_CORO = ();
2415
2416	warn "removing commands";
2417	%COMMAND = ();
2418
2419	warn "removing ext commands";
2420	%EXTCMD = ();
2421
2422	warn "unloading/nuking all extensions";
2423	for my $pkg (@EXTS) {
2424	warn "... unloading $pkg";
2425
2426	if (my $cb = $pkg->can ("unload")) {
2427	eval {
2428	$cb->($pkg);
2429	1
2430	} or warn "$pkg unloaded, but with errors: $@";
2431	}	3660	}
2432		3661
2433	warn "... nuking $pkg";	3662	warn "cancelling all extension coros";
2434	Symbol::delete_package $pkg;	3663	$_->cancel for values %EXT_CORO;
2435	}	3664	%EXT_CORO = ();
2436		3665
2437	warn "unloading all perl modules loaded from $LIBDIR";	3666	warn "removing commands";
2438	while (my ($k, $v) = each %INC) {	3667	%COMMAND = ();
2439	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2440		3668
		3669	warn "removing ext/exti commands";
		3670	%EXTCMD = ();
		3671	%EXTICMD = ();
		3672
		3673	warn "unloading/nuking all extensions";
		3674	for my $pkg (@EXTS) {
2441	warn "... unloading $k";	3675	warn "... unloading $pkg";
2442	delete $INC{$k};
2443		3676
2444	$k =~ s/\.pm$//;
2445	$k =~ s/\//::/g;
2446
2447	if (my $cb = $k->can ("unload_module")) {	3677	if (my $cb = $pkg->can ("unload")) {
		3678	eval {
2448	$cb->();	3679	$cb->($pkg);
		3680	1
		3681	} or warn "$pkg unloaded, but with errors: $@";
		3682	}
		3683
		3684	warn "... clearing $pkg";
		3685	clear_package $pkg;
2449	}	3686	}
2450		3687
2451	Symbol::delete_package $k;	3688	warn "unloading all perl modules loaded from $LIBDIR";
		3689	while (my ($k, $v) = each %INC) {
		3690	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3691
		3692	warn "... unloading $k";
		3693	delete $INC{$k};
		3694
		3695	$k =~ s/\.pm$//;
		3696	$k =~ s/\//::/g;
		3697
		3698	if (my $cb = $k->can ("unload_module")) {
		3699	$cb->();
		3700	}
		3701
		3702	clear_package $k;
2452	}	3703	}
2453		3704
2454	warn "getting rid of safe::, as good as possible";	3705	warn "getting rid of safe::, as good as possible";
2455	Symbol::delete_package "safe::$_"	3706	clear_package "safe::$_"
2456	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3707	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2457		3708
2458	warn "unloading cf.pm \"a bit\"";	3709	warn "unloading cf.pm \"a bit\"";
2459	delete $INC{"cf.pm"};	3710	delete $INC{"cf.pm"};
		3711	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2460		3712
2461	# don't, removes xs symbols, too,	3713	# don't, removes xs symbols, too,
2462	# and global variables created in xs	3714	# and global variables created in xs
2463	#Symbol::delete_package __PACKAGE__;	3715	#clear_package __PACKAGE__;
2464		3716
2465	warn "unload completed, starting to reload now";	3717	warn "unload completed, starting to reload now";
2466		3718
2467	warn "reloading cf.pm";	3719	warn "reloading cf.pm";
2468	require cf;	3720	require cf;
2469	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3721	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2470		3722
2471	warn "loading config and database again";	3723	warn "loading config and database again";
2472	cf::cfg_load;	3724	cf::reload_config;
2473	cf::db_load;
2474		3725
2475	warn "loading extensions";	3726	warn "loading extensions";
2476	cf::load_extensions;	3727	cf::load_extensions;
2477		3728
		3729	if ($REATTACH_ON_RELOAD) {
2478	warn "reattaching attachments to objects/players";	3730	warn "reattaching attachments to objects/players";
2479	_global_reattach;	3731	_global_reattach; # objects, sockets
2480	warn "reattaching attachments to maps";	3732	warn "reattaching attachments to maps";
2481	reattach $_ for values %MAP;	3733	reattach $_ for values %MAP;
		3734	warn "reattaching attachments to players";
		3735	reattach $_ for values %PLAYER;
		3736	}
2482		3737
2483	warn "loading reloadable resources";	3738	warn "running post_init jobs";
2484	load_resources;	3739	(pop @POST_INIT)->(1) while @POST_INIT;
2485		3740
2486	warn "restarting server ticker";	3741	warn "leaving sync_job";
2487		3742
2488	$TICK_WATCHER->start;	3743	1
		3744	} or do {
		3745	warn $@;
		3746	cf::cleanup "error while reloading, exiting.";
		3747	};
		3748
		3749	warn "reloaded";
		3750	--$RELOAD;
		3751	}
		3752
		3753	$t1 = EV::time - $t1;
		3754	warn "reload completed in ${t1}s\n";
		3755	};
		3756
		3757	our $RELOAD_WATCHER; # used only during reload
		3758
		3759	sub reload_perl() {
		3760	# doing reload synchronously and two reloads happen back-to-back,
		3761	# coro crashes during coro_state_free->destroy here.
		3762
		3763	$RELOAD_WATCHER ||= cf::async {
		3764	Coro::AIO::aio_wait cache_extensions;
		3765
		3766	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3767	do_reload_perl;
		3768	undef $RELOAD_WATCHER;
		3769	};
2489	};	3770	};
2490		3771	}
2491	if ($@) {
2492	warn $@;
2493	warn "error while reloading, exiting.";
2494	exit 1;
2495	}
2496
2497	warn "reloaded";
2498	};
2499
2500	our $RELOAD_WATCHER; # used only during reload
2501		3772
2502	register_command "reload" => sub {	3773	register_command "reload" => sub {
2503	my ($who, $arg) = @_;	3774	my ($who, $arg) = @_;
2504		3775
2505	if ($who->flag (FLAG_WIZ)) {	3776	if ($who->flag (FLAG_WIZ)) {
2506	$who->message ("reloading server.");	3777	$who->message ("reloading server.");
2507		3778	async {
2508	# doing reload synchronously and two reloads happen back-to-back,	3779	$Coro::current->{desc} = "perl_reload";
2509	# coro crashes during coro_state_free->destroy here.
2510
2511	$RELOAD_WATCHER ||= Event->timer (
2512	reentrant => 0,
2513	after => 0,
2514	data => WF_AUTOCANCEL,
2515	cb => sub {
2516	reload;	3780	reload_perl;
2517	undef $RELOAD_WATCHER;
2518	},
2519	);	3781	};
2520	}	3782	}
2521	};	3783	};
2522		3784
2523	unshift @INC, $LIBDIR;	3785	unshift @INC, $LIBDIR;
2524		3786
2525	my $bug_warning = 0;	3787	my $bug_warning = 0;
2526		3788
2527	$TICK_WATCHER = Event->timer (	3789	our @WAIT_FOR_TICK;
2528	reentrant => 0,	3790	our @WAIT_FOR_TICK_BEGIN;
2529	parked => 1,	3791
2530	prio => 0,	3792	sub wait_for_tick {
2531	at => $NEXT_TICK || $TICK,	3793	return if tick_inhibit || $Coro::current == $Coro::main;
2532	data => WF_AUTOCANCEL,	3794
2533	cb => sub {	3795	my $signal = new Coro::Signal;
		3796	push @WAIT_FOR_TICK, $signal;
		3797	$signal->wait;
		3798	}
		3799
		3800	sub wait_for_tick_begin {
		3801	return if tick_inhibit || $Coro::current == $Coro::main;
		3802
		3803	my $signal = new Coro::Signal;
		3804	push @WAIT_FOR_TICK_BEGIN, $signal;
		3805	$signal->wait;
		3806	}
		3807
		3808	sub tick {
2534	if ($Coro::current != $Coro::main) {	3809	if ($Coro::current != $Coro::main) {
2535	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3810	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2536	unless ++$bug_warning > 10;	3811	unless ++$bug_warning > 10;
2537	return;	3812	return;
2538	}	3813	}
2539		3814
2540	$NOW = Event::time;
2541
2542	cf::server_tick; # one server iteration	3815	cf::server_tick; # one server iteration
2543	$RUNTIME += $TICK;
2544	$NEXT_TICK += $TICK;
2545		3816
2546	$WAIT_FOR_TICK->broadcast;	3817	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2547	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3818	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		3819	Coro::async_pool {
		3820	$Coro::current->{desc} = "runtime saver";
		3821	write_runtime_sync
		3822	or warn "ERROR: unable to write runtime file: $!";
		3823	};
		3824	}
2548		3825
2549	Event::sweep;	3826	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2550	Coro::cede_notself;	3827	$sig->send;
		3828	}
		3829	while (my $sig = shift @WAIT_FOR_TICK) {
		3830	$sig->send;
		3831	}
		3832
		3833	$LOAD = ($NOW - $TICK_START) / $TICK;
		3834	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3835
		3836	if (0) {
		3837	if ($NEXT_TICK) {
		3838	my $jitter = $TICK_START - $NEXT_TICK;
		3839	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3840	warn "jitter $JITTER\n";#d#
2551		3841	}
2552	# my $AFTER = Event::time;
2553	# warn $AFTER - $NOW;#d#
2554
2555	# if we are delayed by four ticks or more, skip them all
2556	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2557
2558	$TICK_WATCHER->at ($NEXT_TICK);
2559	$TICK_WATCHER->start;
2560	},	3842	}
2561	);	3843	}
2562		3844
2563	{	3845	{
2564	BDB::max_poll_time $TICK * 0.1;	3846	# configure BDB
2565	$BDB_POLL_WATCHER = Event->io (	3847
2566	reentrant => 0,
2567	fd => BDB::poll_fileno,
2568	poll => 'r',
2569	prio => 0,
2570	data => WF_AUTOCANCEL,
2571	cb => \&BDB::poll_cb,
2572	);
2573	BDB::min_parallel 8;	3848	BDB::min_parallel 8;
2574		3849	BDB::max_poll_reqs $TICK * 0.1;
2575	BDB::set_sync_prepare {	3850	$AnyEvent::BDB::WATCHER->priority (1);
2576	my $status;
2577	my $current = $Coro::current;
2578	(
2579	sub {
2580	$status = $!;
2581	$current->ready; undef $current;
2582	},
2583	sub {
2584	Coro::schedule while defined $current;
2585	$! = $status;
2586	},
2587	)
2588	};
2589		3851
2590	unless ($DB_ENV) {	3852	unless ($DB_ENV) {
2591	$DB_ENV = BDB::db_env_create;	3853	$DB_ENV = BDB::db_env_create;
		3854	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3855	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3856	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3857	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3858	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2592		3859
2593	cf::sync_job {	3860	cf::sync_job {
		3861	eval {
2594	BDB::db_env_open	3862	BDB::db_env_open
2595	$DB_ENV,	3863	$DB_ENV,
2596	$BDB_ENV_DIR,	3864	$BDBDIR,
2597	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3865	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2598	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3866	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2599	0666;	3867	0666;
2600		3868
2601	cf::cleanup "$!" if $!;	3869	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2602		3870	};
2603	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3871
2604	$DB_ENV->set_lk_detect;	3872	cf::cleanup "db_env_open(db): $@" if $@;
2605	};	3873	};
2606	}	3874	}
		3875
		3876	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3877	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3878	};
		3879	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3880	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3881	};
		3882	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3883	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3884	};
2607	}	3885	}
2608		3886
2609	{	3887	{
		3888	# configure IO::AIO
		3889
2610	IO::AIO::min_parallel 8;	3890	IO::AIO::min_parallel 8;
2611
2612	undef $Coro::AIO::WATCHER;
2613	IO::AIO::max_poll_time $TICK * 0.1;	3891	IO::AIO::max_poll_time $TICK * 0.1;
2614	$AIO_POLL_WATCHER = Event->io (	3892	undef $AnyEvent::AIO::WATCHER;
2615	reentrant => 0,
2616	fd => IO::AIO::poll_fileno,
2617	poll => 'r',
2618	prio => 6,
2619	data => WF_AUTOCANCEL,
2620	cb => \&IO::AIO::poll_cb,
2621	);
2622	}	3893	}
2623		3894
2624	$WRITE_RUNTIME_WATCHER = Event->timer (	3895	my $_log_backtrace;
2625	reentrant => 0,	3896
2626	data => WF_AUTOCANCEL,	3897	sub _log_backtrace {
2627	after => 1,	3898	my ($msg, @addr) = @_;
2628	interval => 10,	3899
2629	prio => 6, # keep it lowest so it acts like a watchdog	3900	$msg =~ s/\n//;
2630	cb => Coro::unblock_sub {	3901
2631	write_runtime	3902	# limit the # of concurrent backtraces
2632	or warn "ERROR: unable to write runtime file: $!";	3903	if ($_log_backtrace < 2) {
		3904	++$_log_backtrace;
		3905	my $perl_bt = Carp::longmess $msg;
		3906	async {
		3907	$Coro::current->{desc} = "abt $msg";
		3908
		3909	my @bt = fork_call {
		3910	@addr = map { sprintf "%x", $_ } @addr;
		3911	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3912	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3913	or die "addr2line: $!";
		3914
		3915	my @funcs;
		3916	my @res = <$fh>;
		3917	chomp for @res;
		3918	while (@res) {
		3919	my ($func, $line) = splice @res, 0, 2, ();
		3920	push @funcs, "[$func] $line";
		3921	}
		3922
		3923	@funcs
		3924	};
		3925
		3926	LOG llevInfo, "[ABT] $perl_bt\n";
		3927	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3928	LOG llevInfo, "[ABT] $_\n" for @bt;
		3929	--$_log_backtrace;
		3930	};
		3931	} else {
		3932	LOG llevInfo, "[ABT] $msg\n";
		3933	LOG llevInfo, "[ABT] [suppressed]\n";
2633	},	3934	}
2634	);	3935	}
		3936
		3937	# load additional modules
		3938	require "cf/$_.pm" for @EXTRA_MODULES;
2635		3939
2636	END { cf::emergency_save }	3940	END { cf::emergency_save }
2637		3941
2638	1	3942	1
2639		3943

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