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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.215 by root, Thu Feb 15 03:19:02 2007 UTC vs.
Revision 1.478 by root, Thu Sep 17 01:57:31 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;
27	use Compress::LZF;	61	use Compress::LZF;
		62	use Digest::MD5 ();
28		63
		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";
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		76
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	77	# strictly for debugging
		78	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
32		79
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	80	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		81
40	our %COMMAND = ();	82	our %COMMAND = ();
41	our %COMMAND_TIME = ();	83	our %COMMAND_TIME = ();
42		84
43	our @EXTS = (); # list of extension package names	85	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	86	our %EXTCMD = ();
		87	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	88	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	89	our %EXT_MAP = (); # pluggable maps
47		90
		91	our $RELOAD; # number of reloads so far, non-zero while in reload
48	our @EVENT;	92	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		93
51	our $TICK = MAX_TIME * 1e-6;	94	our $CONFDIR = confdir;
52	our $TICK_WATCHER;	95	our $DATADIR = datadir;
53	our $AIO_POLL_WATCHER;	96	our $LIBDIR = "$DATADIR/ext";
		97	our $PODDIR = "$DATADIR/pod";
		98	our $MAPDIR = "$DATADIR/" . mapdir;
		99	our $LOCALDIR = localdir;
		100	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		101	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		102	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		103	our $RANDOMDIR = "$LOCALDIR/random";
		104	our $BDBDIR = "$LOCALDIR/db";
		105	our $PIDFILE = "$LOCALDIR/pid";
		106	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		107
		108	our %RESOURCE;
		109
		110	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	111	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	112	our $NEXT_TICK;
56	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	113	our $USE_FSYNC = 1; # use fsync to write maps - default on
58		114
		115	our $BDB_DEADLOCK_WATCHER;
		116	our $BDB_CHECKPOINT_WATCHER;
59	our $BDB_POLL_WATCHER;	117	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	118	our $DB_ENV;
		119
		120	our @EXTRA_MODULES = qw(pod mapscript);
61		121
62	our %CFG;	122	our %CFG;
63		123
64	our $UPTIME; $UPTIME ||= time;	124	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	125	our $RUNTIME;
		126	our $NOW;
66		127
67	our %PLAYER; # all users	128	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	129	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	130	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		131
76	# used to convert map paths into valid unix filenames by replacing / by ∕	132	# used to convert map paths into valid unix filenames by replacing / by ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	133	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		134
		135	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		136	our $LOADAVG; # same thing, but with alpha-smoothing
		137	our $JITTER; # average jitter
		138	our $TICK_START; # for load detecting purposes
		139
		140	our @POST_INIT;
		141
		142	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		143	our $REALLY_UNLOOP; # never set to true, please :)
		144
79	binmode STDOUT;	145	binmode STDOUT;
80	binmode STDERR;	146	binmode STDERR;
81		147
82	# read virtual server time, if available	148	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	149	unless ($RUNTIME || !-e $RUNTIMEFILE) {
84	open my $fh, "<", cf::localdir . "/runtime"	150	open my $fh, "<", $RUNTIMEFILE
85	or die "unable to read runtime file: $!";	151	or die "unable to read $RUNTIMEFILE file: $!";
86	$RUNTIME = <$fh> + 0.;	152	$RUNTIME = <$fh> + 0.;
87	}	153	}
88		154
89	mkdir cf::localdir;	155	eval "sub TICK() { $TICK } 1" or die;
90	mkdir cf::localdir . "/" . cf::playerdir;	156
91	mkdir cf::localdir . "/" . cf::tmpdir;	157	mkdir $_
92	mkdir cf::localdir . "/" . cf::uniquedir;	158	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		159
96	our $EMERGENCY_POSITION;	160	our $EMERGENCY_POSITION;
97		161
98	sub cf::map::normalise;	162	sub cf::map::normalise;
99		163
…		…
110	=item $cf::RUNTIME	174	=item $cf::RUNTIME
111		175
112	The time this server has run, starts at 0 and is increased by $cf::TICK on	176	The time this server has run, starts at 0 and is increased by $cf::TICK on
113	every server tick.	177	every server tick.
114		178
115	=item $cf::LIBDIR	179	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		180	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		181	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116		182
117	The perl library directory, where extensions and cf-specific modules can	183	Various directories - "/etc", read-only install directory, perl-library
118	be found. It will be added to C<@INC> automatically.	184	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		185	unique-items directory, player file directory, random maps directory and
		186	database environment.
119		187
120	=item $cf::NOW	188	=item $cf::NOW
121		189
122	The time of the last (current) server tick.	190	The time of the last (current) server tick.
123		191
124	=item $cf::TICK	192	=item $cf::TICK
125		193
126	The interval between server ticks, in seconds.	194	The interval between server ticks, in seconds.
127		195
		196	=item $cf::LOADAVG
		197
		198	The current CPU load on the server (alpha-smoothed), as a value between 0
		199	(none) and 1 (overloaded), indicating how much time is spent on processing
		200	objects per tick. Healthy values are < 0.5.
		201
		202	=item $cf::LOAD
		203
		204	The raw value load value from the last tick.
		205
128	=item %cf::CFG	206	=item %cf::CFG
129		207
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	208	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	209	from wherever your confdir points to.
132		210
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	211	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		212
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	213	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	214	returns directly I<after> the tick processing (and consequently, can only wake one process
137	processing has been done. Call C<< ->wait >> on them to maximise the	215	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138	window of cpu time available, or simply to synchronise to the server tick.	216
		217	=item @cf::INVOKE_RESULTS
		218
		219	This array contains the results of the last C<invoke ()> call. When
		220	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		221	that call.
139		222
140	=back	223	=back
141		224
142	=cut	225	=cut
143		226
144	BEGIN {	227	$Coro::State::WARNHOOK = sub {
145	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	228	my $msg = join "", @_;
147	utf8::encode $msg;
148		229
149	$msg .= "\n"	230	$msg .= "\n"
150	unless $msg =~ /\n$/;	231	unless $msg =~ /\n$/;
151		232
		233	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		234
152	LOG llevError, $msg;	235	LOG llevError, $msg;
153	};	236	};
154	}	237
		238	$Coro::State::DIEHOOK = sub {
		239	return unless $^S eq 0; # "eq", not "=="
		240
		241	warn Carp::longmess $_[0];
		242
		243	if ($Coro::current == $Coro::main) {#d#
		244	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		245	return;#d#
		246	}#d#
		247
		248	# kill coroutine otherwise
		249	Coro::terminate
		250	};
155		251
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	252	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	253	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	254	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	255	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	256	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		257	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	258	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162		259
163	# we bless all objects into (empty) derived classes to force a method lookup	260	# we bless all objects into (empty) derived classes to force a method lookup
164	# within the Safe compartment.	261	# within the Safe compartment.
165	for my $pkg (qw(	262	for my $pkg (qw(
166	cf::global cf::attachable	263	cf::global cf::attachable
167	cf::object cf::object::player	264	cf::object cf::object::player
168	cf::client cf::player	265	cf::client cf::player
169	cf::arch cf::living	266	cf::arch cf::living
		267	cf::map cf::mapspace
170	cf::map cf::party cf::region	268	cf::party cf::region
171	)) {	269	)) {
172	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	270	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	271	}
175		272
176	$Event::DIED = sub {	273	$EV::DIED = sub {
177	warn "error in event callback: @_";	274	warn "error in event callback: @_";
178	};	275	};
		276
		277	#############################################################################
179		278
180	=head2 UTILITY FUNCTIONS	279	=head2 UTILITY FUNCTIONS
181		280
182	=over 4	281	=over 4
183		282
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	301	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	302	$d
204	} || "[unable to dump $_[0]: '$@']";	303	} || "[unable to dump $_[0]: '$@']";
205	}	304	}
206		305
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	306	=item $ref = cf::decode_json $json
210		307
211	Converts a JSON string into the corresponding perl data structure.	308	Converts a JSON string into the corresponding perl data structure.
212		309
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	310	=item $json = cf::encode_json $ref
221		311
222	Converts a perl data structure into its JSON representation.	312	Converts a perl data structure into its JSON representation.
223		313
224	=cut	314	=cut
225		315
226	sub to_json($) {	316	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	317
228	JSON::Syck::Dump $_[0]	318	sub encode_json($) { $json_coder->encode ($_[0]) }
		319	sub decode_json($) { $json_coder->decode ($_[0]) }
		320
		321	=item cf::post_init { BLOCK }
		322
		323	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		324	but I<before> the server starts ticking again.
		325
		326	The cdoeblock will have a single boolean argument to indicate whether this
		327	is a reload or not.
		328
		329	=cut
		330
		331	sub post_init(&) {
		332	push @POST_INIT, shift;
229	}	333	}
230		334
231	=item cf::lock_wait $string	335	=item cf::lock_wait $string
232		336
233	Wait until the given lock is available. See cf::lock_acquire.	337	Wait until the given lock is available. See cf::lock_acquire.
234		338
235	=item my $lock = cf::lock_acquire $string	339	=item my $lock = cf::lock_acquire $string
236		340
237	Wait until the given lock is available and then acquires it and returns	341	Wait until the given lock is available and then acquires it and returns
238	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	342	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
239	for example when the coroutine gets canceled), the lock is automatically	343	for example when the coroutine gets canceled), the lock is automatically
240	returned.	344	returned.
241		345
		346	Locks are *not* recursive, locking from the same coro twice results in a
		347	deadlocked coro.
		348
242	Lock names should begin with a unique identifier (for example, cf::map::find	349	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	350	uses map_find and cf::map::load uses map_load).
244		351
245	=cut	352	=item $locked = cf::lock_active $string
246		353
247	our %LOCK;	354	Return true if the lock is currently active, i.e. somebody has locked it.
		355
		356	=cut
		357
		358	our $LOCKS = new Coro::SemaphoreSet;
248		359
249	sub lock_wait($) {	360	sub lock_wait($) {
250	my ($key) = @_;	361	$LOCKS->wait ($_[0]);
251
252	# wait for lock, if any
253	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;
256	}
257	}	362	}
258		363
259	sub lock_acquire($) {	364	sub lock_acquire($) {
260	my ($key) = @_;	365	$LOCKS->guard ($_[0])
		366	}
261		367
262	# wait, to be sure we are not locked	368	sub lock_active($) {
263	lock_wait $key;	369	$LOCKS->count ($_[0]) < 1
264
265	$LOCK{$key} = [];
266
267	Coro::guard {
268	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };
270	}
271	}	370	}
272		371
273	sub freeze_mainloop {	372	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	373	tick_inhibit_inc;
275		374
276	my $guard = Coro::guard {	375	&Guard::guard (\&tick_inhibit_dec);
277	$TICK_WATCHER->start;	376	}
		377
		378	=item cf::periodic $interval, $cb
		379
		380	Like EV::periodic, but randomly selects a starting point so that the actions
		381	get spread over timer.
		382
		383	=cut
		384
		385	sub periodic($$) {
		386	my ($interval, $cb) = @_;
		387
		388	my $start = rand List::Util::min 180, $interval;
		389
		390	EV::periodic $start, $interval, 0, $cb
		391	}
		392
		393	=item cf::get_slot $time[, $priority[, $name]]
		394
		395	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		396	This call blocks and returns only when you have at least C<$time> seconds
		397	of cpu time till the next tick. The slot is only valid till the next cede.
		398
		399	The optional C<$name> can be used to identify the job to run. It might be
		400	used for statistical purposes and should identify the same time-class.
		401
		402	Useful for short background jobs.
		403
		404	=cut
		405
		406	our @SLOT_QUEUE;
		407	our $SLOT_QUEUE;
		408
		409	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		410	$SLOT_QUEUE = Coro::async {
		411	$Coro::current->desc ("timeslot manager");
		412
		413	my $signal = new Coro::Signal;
		414
		415	while () {
		416	next_job:
		417	my $avail = cf::till_tick;
		418	if ($avail > 0.01) {
		419	for (0 .. $#SLOT_QUEUE) {
		420	if ($SLOT_QUEUE[$_][0] < $avail) {
		421	my $job = splice @SLOT_QUEUE, $_, 1, ();
		422	$job->[2]->send;
		423	Coro::cede;
		424	goto next_job;
		425	}
		426	}
		427	}
		428
		429	if (@SLOT_QUEUE) {
		430	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		431	push @cf::WAIT_FOR_TICK, $signal;
		432	$signal->wait;
		433	} else {
		434	Coro::schedule;
		435	}
278	};	436	}
279	$TICK_WATCHER->stop;	437	};
280	$guard	438
		439	sub get_slot($;$$) {
		440	return if tick_inhibit || $Coro::current == $Coro::main;
		441
		442	my ($time, $pri, $name) = @_;
		443
		444	$time = $TICK * .6 if $time > $TICK * .6;
		445	my $sig = new Coro::Signal;
		446
		447	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		448	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		449	$SLOT_QUEUE->ready;
		450	$sig->wait;
281	}	451	}
282		452
283	=item cf::async { BLOCK }	453	=item cf::async { BLOCK }
284		454
285	Currently the same as Coro::async_pool, meaning you cannot use	455	Currently the same as Coro::async_pool, meaning you cannot use
…		…
290		460
291	BEGIN { *async = \&Coro::async_pool }	461	BEGIN { *async = \&Coro::async_pool }
292		462
293	=item cf::sync_job { BLOCK }	463	=item cf::sync_job { BLOCK }
294		464
295	The design of crossfire+ requires that the main coro ($Coro::main) is	465	The design of Deliantra requires that the main coroutine ($Coro::main)
296	always able to handle events or runnable, as crossfire+ is only partly	466	is always able to handle events or runnable, as Deliantra is only
297	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	467	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		468	acceptable.
298		469
299	If it must be done, put the blocking parts into C<sync_job>. This will run	470	If it must be done, put the blocking parts into C<sync_job>. This will run
300	the given BLOCK in another coroutine while waiting for the result. The	471	the given BLOCK in another coroutine while waiting for the result. The
301	server will be frozen during this time, so the block should either finish	472	server will be frozen during this time, so the block should either finish
302	fast or be very important.	473	fast or be very important.
…		…
305		476
306	sub sync_job(&) {	477	sub sync_job(&) {
307	my ($job) = @_;	478	my ($job) = @_;
308		479
309	if ($Coro::current == $Coro::main) {	480	if ($Coro::current == $Coro::main) {
		481	my $time = EV::time;
		482
310	# this is the main coro, too bad, we have to block	483	# this is the main coro, too bad, we have to block
311	# till the operation succeeds, freezing the server :/	484	# till the operation succeeds, freezing the server :/
312		485
313	# TODO: use suspend/resume instead	486	LOG llevError, Carp::longmess "sync job";#d#
314	# (but this is cancel-safe)	487
315	my $freeze_guard = freeze_mainloop;	488	my $freeze_guard = freeze_mainloop;
316		489
317	my $busy = 1;	490	my $busy = 1;
318	my @res;	491	my @res;
319		492
320	(async {	493	(async {
		494	$Coro::current->desc ("sync job coro");
321	@res = eval { $job->() };	495	@res = eval { $job->() };
322	warn $@ if $@;	496	warn $@ if $@;
323	undef $busy;	497	undef $busy;
324	})->prio (Coro::PRIO_MAX);	498	})->prio (Coro::PRIO_MAX);
325		499
326	while ($busy) {	500	while ($busy) {
327	Coro::cede or Event::one_event;	501	if (Coro::nready) {
		502	Coro::cede_notself;
		503	} else {
		504	EV::loop EV::LOOP_ONESHOT;
328	}	505	}
		506	}
		507
		508	my $time = EV::time - $time;
		509
		510	$TICK_START += $time; # do not account sync jobs to server load
329		511
330	wantarray ? @res : $res[0]	512	wantarray ? @res : $res[0]
331	} else {	513	} else {
332	# we are in another coroutine, how wonderful, everything just works	514	# we are in another coroutine, how wonderful, everything just works
333		515
…		…
353	$EXT_CORO{$coro+0} = $coro;	535	$EXT_CORO{$coro+0} = $coro;
354		536
355	$coro	537	$coro
356	}	538	}
357		539
358	sub write_runtime {	540	=item fork_call { }, $args
359	my $runtime = cf::localdir . "/runtime";
360		541
361	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	542	Executes the given code block with the given arguments in a seperate
362	or return;	543	process, returning the results. Everything must be serialisable with
		544	Coro::Storable. May, of course, block. Note that the executed sub may
		545	never block itself or use any form of event handling.
363		546
364	my $value = $cf::RUNTIME + 90 + 10;	547	=cut
365	# 10 is the runtime save interval, for a monotonic clock
366	# 60 allows for the watchdog to kill the server.
367		548
368	(aio_write $fh, 0, (length $value), $value, 0) <= 0	549	sub fork_call(&@) {
369	and return;	550	my ($cb, @args) = @_;
370		551
371	# always fsync - this file is important	552	# we seemingly have to make a local copy of the whole thing,
372	aio_fsync $fh	553	# otherwise perl prematurely frees the stuff :/
373	and return;	554	# TODO: investigate and fix (likely this will be rather laborious)
374		555
375	close $fh	556	my @res = Coro::Util::fork_eval {
376	or return;	557	reset_signals;
		558	&$cb
		559	}, @args;
377		560
378	aio_rename "$runtime~", $runtime	561	wantarray ? @res : $res[-1]
379	and return;	562	}
380		563
		564	=item $coin = coin_from_name $name
		565
		566	=cut
		567
		568	our %coin_alias = (
		569	"silver" => "silvercoin",
		570	"silvercoin" => "silvercoin",
		571	"silvercoins" => "silvercoin",
		572	"gold" => "goldcoin",
		573	"goldcoin" => "goldcoin",
		574	"goldcoins" => "goldcoin",
		575	"platinum" => "platinacoin",
		576	"platinumcoin" => "platinacoin",
		577	"platinumcoins" => "platinacoin",
		578	"platina" => "platinacoin",
		579	"platinacoin" => "platinacoin",
		580	"platinacoins" => "platinacoin",
		581	"royalty" => "royalty",
		582	"royalties" => "royalty",
		583	);
		584
		585	sub coin_from_name($) {
		586	$coin_alias{$_[0]}
		587	? cf::arch::find $coin_alias{$_[0]}
		588	: undef
		589	}
		590
		591	=item $value = cf::db_get $family => $key
		592
		593	Returns a single value from the environment database.
		594
		595	=item cf::db_put $family => $key => $value
		596
		597	Stores the given C<$value> in the family. It can currently store binary
		598	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		599
		600	=item $db = cf::db_table "name"
		601
		602	Create and/or open a new database table. The string must not be "db" and must be unique
		603	within each server.
		604
		605	=cut
		606
		607	sub db_table($) {
		608	my ($name) = @_;
		609	my $db = BDB::db_create $DB_ENV;
		610
		611	eval {
		612	$db->set_flags (BDB::CHKSUM);
		613
		614	utf8::encode $name;
		615	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		616	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		617	cf::cleanup "db_open(db): $!" if $!;
		618	};
		619	cf::cleanup "db_open(db): $@" if $@;
		620
		621	$db
		622	}
		623
		624	our $DB;
		625
		626	sub db_init {
		627	cf::sync_job {
		628	$DB ||= db_table "db";
		629	};
		630	}
		631
		632	sub db_get($$) {
		633	my $key = "$_[0]/$_[1]";
		634
		635	cf::sync_job {
		636	BDB::db_get $DB, undef, $key, my $data;
		637
		638	$! ? ()
		639	: $data
381	1	640	}
		641	}
		642
		643	sub db_put($$$) {
		644	BDB::dbreq_pri 4;
		645	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		646	}
		647
		648	=item cf::cache $id => [$paths...], $processversion => $process
		649
		650	Generic caching function that returns the value of the resource $id,
		651	caching and regenerating as required.
		652
		653	This function can block.
		654
		655	=cut
		656
		657	sub cache {
		658	my ($id, $src, $processversion, $process) = @_;
		659
		660	my $meta =
		661	join "\x00",
		662	$processversion,
		663	map {
		664	aio_stat $_
		665	and Carp::croak "$_: $!";
		666
		667	($_, (stat _)[7,9])
		668	} @$src;
		669
		670	my $dbmeta = db_get cache => "$id/meta";
		671	if ($dbmeta ne $meta) {
		672	# changed, we may need to process
		673
		674	my @data;
		675	my $md5;
		676
		677	for (0 .. $#$src) {
		678	0 <= aio_load $src->[$_], $data[$_]
		679	or Carp::croak "$src->[$_]: $!";
		680	}
		681
		682	# if processing is expensive, check
		683	# checksum first
		684	if (1) {
		685	$md5 =
		686	join "\x00",
		687	$processversion,
		688	map {
		689	cf::cede_to_tick;
		690	($src->[$_], Digest::MD5::md5_hex $data[$_])
		691	} 0.. $#$src;
		692
		693
		694	my $dbmd5 = db_get cache => "$id/md5";
		695	if ($dbmd5 eq $md5) {
		696	db_put cache => "$id/meta", $meta;
		697
		698	return db_get cache => "$id/data";
		699	}
		700	}
		701
		702	my $t1 = Time::HiRes::time;
		703	my $data = $process->(\@data);
		704	my $t2 = Time::HiRes::time;
		705
		706	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		707
		708	db_put cache => "$id/data", $data;
		709	db_put cache => "$id/md5" , $md5;
		710	db_put cache => "$id/meta", $meta;
		711
		712	return $data;
		713	}
		714
		715	db_get cache => "$id/data"
		716	}
		717
		718	=item cf::datalog type => key => value, ...
		719
		720	Log a datalog packet of the given type with the given key-value pairs.
		721
		722	=cut
		723
		724	sub datalog($@) {
		725	my ($type, %kv) = @_;
		726	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
382	}	727	}
383		728
384	=back	729	=back
385		730
386	=cut	731	=cut
387		732
388	#############################################################################	733	#############################################################################
389		734
390	=head2 ATTACHABLE OBJECTS	735	=head2 ATTACHABLE OBJECTS
391		736
392	Many objects in crossfire are so-called attachable objects. That means you can	737	Many objects in deliantra are so-called attachable objects. That means you can
393	attach callbacks/event handlers (a collection of which is called an "attachment")	738	attach callbacks/event handlers (a collection of which is called an "attachment")
394	to it. All such attachable objects support the following methods.	739	to it. All such attachable objects support the following methods.
395		740
396	In the following description, CLASS can be any of C<global>, C<object>	741	In the following description, CLASS can be any of C<global>, C<object>
397	C<player>, C<client> or C<map> (i.e. the attachable objects in	742	C<player>, C<client> or C<map> (i.e. the attachable objects in
398	crossfire+).	743	Deliantra).
399		744
400	=over 4	745	=over 4
401		746
402	=item $attachable->attach ($attachment, key => $value...)	747	=item $attachable->attach ($attachment, key => $value...)
403		748
…		…
447	=item cf::CLASS::attachment $name, ...	792	=item cf::CLASS::attachment $name, ...
448		793
449	Register an attachment by C<$name> through which attachable objects of the	794	Register an attachment by C<$name> through which attachable objects of the
450	given CLASS can refer to this attachment.	795	given CLASS can refer to this attachment.
451		796
452	Some classes such as crossfire maps and objects can specify attachments	797	Some classes such as deliantra maps and objects can specify attachments
453	that are attached at load/instantiate time, thus the need for a name.	798	that are attached at load/instantiate time, thus the need for a name.
454		799
455	These calls expect any number of the following handler/hook descriptions:	800	These calls expect any number of the following handler/hook descriptions:
456		801
457	=over 4	802	=over 4
…		…
566	$registry = $CB_TYPE[$object_type] ||= [];	911	$registry = $CB_TYPE[$object_type] ||= [];
567		912
568	} elsif ($type eq "subtype") {	913	} elsif ($type eq "subtype") {
569	defined $object_type or Carp::croak "subtype specified without type";	914	defined $object_type or Carp::croak "subtype specified without type";
570	my $object_subtype = shift @arg;	915	my $object_subtype = shift @arg;
571	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	916	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
572		917
573	} elsif ($type eq "package") {	918	} elsif ($type eq "package") {
574	my $pkg = shift @arg;	919	my $pkg = shift @arg;
575		920
576	while (my ($name, $id) = each %cb_id) {	921	while (my ($name, $id) = each %cb_id) {
…		…
605	_attach $registry, $klass, @attach;	950	_attach $registry, $klass, @attach;
606	}	951	}
607		952
608	$obj->{$name} = \%arg;	953	$obj->{$name} = \%arg;
609	} else {	954	} else {
610	warn "object uses attachment '$name' that is not available, postponing.\n";	955	warn "object uses attachment '$name' which is not available, postponing.\n";
611	}	956	}
612		957
613	$obj->{_attachment}{$name} = undef;	958	$obj->{_attachment}{$name} = undef;
614	}	959	}
615		960
…		…
617	if (ref $_[0]) {	962	if (ref $_[0]) {
618	_object_attach @_;	963	_object_attach @_;
619	} else {	964	} else {
620	_attach shift->_attach_registry, @_;	965	_attach shift->_attach_registry, @_;
621	}	966	}
		967	_recalc_want;
622	};	968	};
623		969
624	# all those should be optimised	970	# all those should be optimised
625	sub cf::attachable::detach {	971	sub cf::attachable::detach {
626	my ($obj, $name) = @_;	972	my ($obj, $name) = @_;
…		…
629	delete $obj->{_attachment}{$name};	975	delete $obj->{_attachment}{$name};
630	reattach ($obj);	976	reattach ($obj);
631	} else {	977	} else {
632	Carp::croak "cannot, currently, detach class attachments";	978	Carp::croak "cannot, currently, detach class attachments";
633	}	979	}
		980	_recalc_want;
634	};	981	};
635		982
636	sub cf::attachable::attached {	983	sub cf::attachable::attached {
637	my ($obj, $name) = @_;	984	my ($obj, $name) = @_;
638		985
…		…
653	";	1000	";
654	die if $@;	1001	die if $@;
655	}	1002	}
656		1003
657	our $override;	1004	our $override;
658	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1005	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
659		1006
660	sub override {	1007	sub override {
661	$override = 1;	1008	$override = 1;
662	@invoke_results = ();	1009	@INVOKE_RESULTS = (@_);
663	}	1010	}
664		1011
665	sub do_invoke {	1012	sub do_invoke {
666	my $event = shift;	1013	my $event = shift;
667	my $callbacks = shift;	1014	my $callbacks = shift;
668		1015
669	@invoke_results = ();	1016	@INVOKE_RESULTS = ();
670		1017
671	local $override;	1018	local $override;
672		1019
673	for (@$callbacks) {	1020	for (@$callbacks) {
674	eval { &{$_->[1]} };	1021	eval { &{$_->[1]} };
…		…
683	}	1030	}
684		1031
685	0	1032	0
686	}	1033	}
687		1034
688	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1035	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
689		1036
690	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1037	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
691		1038
692	Generate an object-specific event with the given arguments.	1039	Generate an object-specific event with the given arguments.
693		1040
694	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1041	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
695	removed in future versions), and there is no public API to access override	1042	removed in future versions), and there is no public API to access override
696	results (if you must, access C<@cf::invoke_results> directly).	1043	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
697		1044
698	=back	1045	=back
699		1046
700	=cut	1047	=cut
701		1048
702	#############################################################################	1049	#############################################################################
703	# object support	1050	# object support
		1051
		1052	sub _object_equal($$);
		1053	sub _object_equal($$) {
		1054	my ($a, $b) = @_;
		1055
		1056	return 0 unless (ref $a) eq (ref $b);
		1057
		1058	if ("HASH" eq ref $a) {
		1059	my @ka = keys %$a;
		1060	my @kb = keys %$b;
		1061
		1062	return 0 if @ka != @kb;
		1063
		1064	for (0 .. $#ka) {
		1065	return 0 unless $ka[$_] eq $kb[$_];
		1066	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1067	}
		1068
		1069	} elsif ("ARRAY" eq ref $a) {
		1070
		1071	return 0 if @$a != @$b;
		1072
		1073	for (0 .. $#$a) {
		1074	return 0 unless _object_equal $a->[$_], $b->[$_];
		1075	}
		1076
		1077	} elsif ($a ne $b) {
		1078	return 0;
		1079	}
		1080
		1081	1
		1082	}
		1083
		1084	our $SLOW_MERGES;#d#
		1085	sub _can_merge {
		1086	my ($ob1, $ob2) = @_;
		1087
		1088	++$SLOW_MERGES;#d#
		1089
		1090	# we do the slow way here
		1091	return _object_equal $ob1, $ob2
		1092	}
704		1093
705	sub reattach {	1094	sub reattach {
706	# basically do the same as instantiate, without calling instantiate	1095	# basically do the same as instantiate, without calling instantiate
707	my ($obj) = @_;	1096	my ($obj) = @_;
708		1097
		1098	# no longer needed after getting rid of delete_package?
709	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1099	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
710		1100
711	my $registry = $obj->registry;	1101	my $registry = $obj->registry;
712		1102
713	@$registry = ();	1103	@$registry = ();
714		1104
…		…
729	cf::attachable->attach (	1119	cf::attachable->attach (
730	prio => -1000000,	1120	prio => -1000000,
731	on_instantiate => sub {	1121	on_instantiate => sub {
732	my ($obj, $data) = @_;	1122	my ($obj, $data) = @_;
733		1123
734	$data = from_json $data;	1124	$data = decode_json $data;
735		1125
736	for (@$data) {	1126	for (@$data) {
737	my ($name, $args) = @$_;	1127	my ($name, $args) = @$_;
738		1128
739	$obj->attach ($name, %{$args || {} });	1129	$obj->attach ($name, %{$args || {} });
…		…
755	sub object_freezer_save {	1145	sub object_freezer_save {
756	my ($filename, $rdata, $objs) = @_;	1146	my ($filename, $rdata, $objs) = @_;
757		1147
758	sync_job {	1148	sync_job {
759	if (length $$rdata) {	1149	if (length $$rdata) {
		1150	utf8::decode (my $decname = $filename);
760	warn sprintf "saving %s (%d,%d)\n",	1151	warn sprintf "saving %s (%d,%d)\n",
761	$filename, length $$rdata, scalar @$objs;	1152	$decname, length $$rdata, scalar @$objs;
762		1153
763	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1154	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
764	chmod SAVE_MODE, $fh;	1155	aio_chmod $fh, SAVE_MODE;
765	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1156	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
766	aio_fsync $fh if $cf::USE_FSYNC;	1157	if ($cf::USE_FSYNC) {
		1158	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1159	aio_fsync $fh;
		1160	}
767	close $fh;	1161	aio_close $fh;
768		1162
769	if (@$objs) {	1163	if (@$objs) {
770	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1164	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1165	aio_chmod $fh, SAVE_MODE;
772	my $data = Storable::nfreeze { version => 1, objs => $objs };	1166	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
773	aio_write $fh, 0, (length $data), $data, 0;	1167	aio_write $fh, 0, (length $data), $data, 0;
774	aio_fsync $fh if $cf::USE_FSYNC;	1168	if ($cf::USE_FSYNC) {
		1169	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1170	aio_fsync $fh;
		1171	}
775	close $fh;	1172	aio_close $fh;
776	aio_rename "$filename.pst~", "$filename.pst";	1173	aio_rename "$filename.pst~", "$filename.pst";
777	}	1174	}
778	} else {	1175	} else {
779	aio_unlink "$filename.pst";	1176	aio_unlink "$filename.pst";
780	}	1177	}
781		1178
782	aio_rename "$filename~", $filename;	1179	aio_rename "$filename~", $filename;
		1180
		1181	$filename =~ s%/[^/]+$%%;
		1182	aio_pathsync $filename if $cf::USE_FSYNC;
783	} else {	1183	} else {
784	warn "FATAL: $filename~: $!\n";	1184	warn "unable to save objects: $filename~: $!\n";
785	}	1185	}
786	} else {	1186	} else {
787	aio_unlink $filename;	1187	aio_unlink $filename;
788	aio_unlink "$filename.pst";	1188	aio_unlink "$filename.pst";
789	}	1189	}
790
791	#d##TODO# nuke non .map-files if exist
792	if ($filename =~ s/\.map$//) {
793	aio_unlink $filename;
794	aio_unlink "$filename.pst";
795	}
796	}	1190	};
797	}	1191	}
798		1192
799	sub object_freezer_as_string {	1193	sub object_freezer_as_string {
800	my ($rdata, $objs) = @_;	1194	my ($rdata, $objs) = @_;
801		1195
…		…
806		1200
807	sub object_thawer_load {	1201	sub object_thawer_load {
808	my ($filename) = @_;	1202	my ($filename) = @_;
809		1203
810	my ($data, $av);	1204	my ($data, $av);
811
812	#d#TODO remove .map if file does not exist
813	aio_stat $filename and $filename =~ s/\.map$//;
814		1205
815	(aio_load $filename, $data) >= 0	1206	(aio_load $filename, $data) >= 0
816	or return;	1207	or return;
817		1208
818	unless (aio_stat "$filename.pst") {	1209	unless (aio_stat "$filename.pst") {
819	(aio_load "$filename.pst", $av) >= 0	1210	(aio_load "$filename.pst", $av) >= 0
820	or return;	1211	or return;
		1212
821	$av = eval { (Storable::thaw $av)->{objs} };	1213	my $st = eval { Coro::Storable::thaw $av };
		1214	$av = $st->{objs};
822	}	1215	}
823		1216
		1217	utf8::decode (my $decname = $filename);
824	warn sprintf "loading %s (%d)\n",	1218	warn sprintf "loading %s (%d,%d)\n",
825	$filename, length $data, scalar @{$av || []};#d#	1219	$decname, length $data, scalar @{$av || []};
		1220
826	return ($data, $av);	1221	($data, $av)
827	}	1222	}
		1223
		1224	=head2 COMMAND CALLBACKS
		1225
		1226	=over 4
		1227
		1228	=cut
828		1229
829	#############################################################################	1230	#############################################################################
830	# command handling &c	1231	# command handling &c
831		1232
832	=item cf::register_command $name => \&callback($ob,$args);	1233	=item cf::register_command $name => \&callback($ob,$args);
…		…
845	push @{ $COMMAND{$name} }, [$caller, $cb];	1246	push @{ $COMMAND{$name} }, [$caller, $cb];
846	}	1247	}
847		1248
848	=item cf::register_extcmd $name => \&callback($pl,$packet);	1249	=item cf::register_extcmd $name => \&callback($pl,$packet);
849		1250
850	Register a callbackf ro execution when the client sends an extcmd packet.	1251	Register a callback for execution when the client sends an (synchronous)
		1252	extcmd packet. Ext commands will be processed in the order they are
		1253	received by the server, like other user commands. The first argument is
		1254	the logged-in player. Ext commands can only be processed after a player
		1255	has logged in successfully.
851		1256
852	If the callback returns something, it is sent back as if reply was being	1257	If the callback returns something, it is sent back as if reply was being
853	called.	1258	called.
854		1259
		1260	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1261
		1262	Register a callback for execution when the client sends an (asynchronous)
		1263	exticmd packet. Exti commands are processed by the server as soon as they
		1264	are received, i.e. out of order w.r.t. other commands. The first argument
		1265	is a client socket. Exti commands can be received anytime, even before
		1266	log-in.
		1267
		1268	If the callback returns something, it is sent back as if reply was being
		1269	called.
		1270
855	=cut	1271	=cut
856		1272
857	sub register_extcmd {	1273	sub register_extcmd {
858	my ($name, $cb) = @_;	1274	my ($name, $cb) = @_;
859		1275
860	$EXTCMD{$name} = $cb;	1276	$EXTCMD{$name} = $cb;
861	}	1277	}
		1278
		1279	sub register_exticmd {
		1280	my ($name, $cb) = @_;
		1281
		1282	$EXTICMD{$name} = $cb;
		1283	}
		1284
		1285	use File::Glob ();
862		1286
863	cf::player->attach (	1287	cf::player->attach (
864	on_command => sub {	1288	on_command => sub {
865	my ($pl, $name, $params) = @_;	1289	my ($pl, $name, $params) = @_;
866		1290
…		…
874	cf::override;	1298	cf::override;
875	},	1299	},
876	on_extcmd => sub {	1300	on_extcmd => sub {
877	my ($pl, $buf) = @_;	1301	my ($pl, $buf) = @_;
878		1302
879	my $msg = eval { from_json $buf };	1303	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
880		1304
881	if (ref $msg) {	1305	if (ref $msg) {
		1306	my ($type, $reply, @payload) =
		1307	"ARRAY" eq ref $msg
		1308	? @$msg
		1309	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1310
		1311	my @reply;
		1312
882	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1313	if (my $cb = $EXTCMD{$type}) {
883	if (my %reply = $cb->($pl, $msg)) {	1314	@reply = $cb->($pl, @payload);
884	$pl->ext_reply ($msg->{msgid}, %reply);
885	}
886	}	1315	}
		1316
		1317	$pl->ext_reply ($reply, @reply)
		1318	if $reply;
		1319
887	} else {	1320	} else {
888	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1321	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
889	}	1322	}
890		1323
891	cf::override;	1324	cf::override;
892	},	1325	},
893	);	1326	);
894		1327
		1328	# "readahead" all extensions
895	sub load_extension {	1329	sub cache_extensions {
896	my ($path) = @_;	1330	my $grp = IO::AIO::aio_group;
897		1331
898	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1332	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
899	my $base = $1;	1333	for (grep /\.ext$/, @{$_[0]}) {
900	my $pkg = $1;	1334	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
901	$pkg =~ s/[^[:word:]]/_/g;
902	$pkg = "ext::$pkg";
903
904	warn "... loading '$path' into '$pkg'\n";
905
906	open my $fh, "<:utf8", $path
907	or die "$path: $!";
908
909	my $source =
910	"package $pkg; use strict; use utf8;\n"
911	. "#line 1 \"$path\"\n{\n"
912	. (do { local $/; <$fh> })
913	. "\n};\n1";
914
915	unless (eval $source) {
916	my $msg = $@ ? "$path: $@\n"
917	: "extension disabled.\n";
918	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
919	warn $@;
920	warn "mandatory extension failed to load, exiting.\n";
921	exit 1;
922	}	1335	}
923	die $@;
924	}	1336	};
925		1337
926	push @EXTS, $pkg;	1338	$grp
927	}	1339	}
928		1340
929	sub load_extensions {	1341	sub load_extensions {
		1342	cf::sync_job {
		1343	my %todo;
		1344
930	for my $ext (<$LIBDIR/*.ext>) {	1345	for my $path (<$LIBDIR/*.ext>) {
931	next unless -r $ext;	1346	next unless -r $path;
932	eval {	1347
933	load_extension $ext;	1348	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1349	my $base = $1;
		1350	my $pkg = $1;
		1351	$pkg =~ s/[^[:word:]]/_/g;
		1352	$pkg = "ext::$pkg";
		1353
		1354	open my $fh, "<:utf8", $path
		1355	or die "$path: $!";
		1356
		1357	my $source = do { local $/; <$fh> };
		1358
		1359	my %ext = (
		1360	path => $path,
		1361	base => $base,
		1362	pkg => $pkg,
		1363	);
		1364
		1365	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1366	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1367
		1368	$ext{source} =
		1369	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1370	. "#line 1 \"$path\"\n{\n"
		1371	. $source
		1372	. "\n};\n1";
		1373
		1374	$todo{$base} = \%ext;
		1375	}
		1376
		1377	my %done;
		1378	while (%todo) {
		1379	my $progress;
		1380
		1381	while (my ($k, $v) = each %todo) {
		1382	for (split /,\s*/, $v->{meta}{depends}) {
		1383	goto skip
		1384	unless exists $done{$_};
		1385	}
		1386
		1387	warn "... loading '$k' into '$v->{pkg}'\n";
		1388
		1389	unless (eval $v->{source}) {
		1390	my $msg = $@ ? "$v->{path}: $@\n"
		1391	: "$v->{base}: extension inactive.\n";
		1392
		1393	if (exists $v->{meta}{mandatory}) {
		1394	warn $msg;
		1395	cf::cleanup "mandatory extension failed to load, exiting.";
		1396	}
		1397
		1398	warn $msg;
		1399	}
		1400
		1401	$done{$k} = delete $todo{$k};
		1402	push @EXTS, $v->{pkg};
		1403	$progress = 1;
934	1	1404	}
935	} or warn "$ext not loaded: $@";	1405
		1406	skip:
		1407	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1408	unless $progress;
		1409	}
936	}	1410	};
937	}	1411	}
938		1412
939	#############################################################################	1413	#############################################################################
940		1414
		1415	=back
		1416
941	=head2 CORE EXTENSIONS	1417	=head2 CORE EXTENSIONS
942		1418
943	Functions and methods that extend core crossfire objects.	1419	Functions and methods that extend core deliantra objects.
944		1420
945	=cut	1421	=cut
946		1422
947	package cf::player;	1423	package cf::player;
948		1424
…		…
950		1426
951	=head3 cf::player	1427	=head3 cf::player
952		1428
953	=over 4	1429	=over 4
954		1430
		1431	=item cf::player::num_playing
		1432
		1433	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1434
		1435	=cut
		1436
		1437	sub num_playing {
		1438	scalar grep
		1439	$_->ob->map
		1440	&& !$_->hidden
		1441	&& !$_->ob->flag (cf::FLAG_WIZ),
		1442	cf::player::list
		1443	}
		1444
955	=item cf::player::find $login	1445	=item cf::player::find $login
956		1446
957	Returns the given player object, loading it if necessary (might block).	1447	Returns the given player object, loading it if necessary (might block).
958		1448
959	=cut	1449	=cut
960		1450
961	sub playerdir($) {	1451	sub playerdir($) {
962	cf::localdir	1452	"$PLAYERDIR/"
963	. "/"
964	. cf::playerdir
965	. "/"
966	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1453	. (ref $_[0] ? $_[0]->ob->name : $_[0])
967	}	1454	}
968		1455
969	sub path($) {	1456	sub path($) {
970	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1457	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
971		1458
972	(playerdir $login) . "/$login.pl"	1459	(playerdir $login) . "/playerdata"
973	}	1460	}
974		1461
975	sub find_active($) {	1462	sub find_active($) {
976	$cf::PLAYER{$_[0]}	1463	$cf::PLAYER{$_[0]}
977	and $cf::PLAYER{$_[0]}->active	1464	and $cf::PLAYER{$_[0]}->active
…		…
980		1467
981	sub exists($) {	1468	sub exists($) {
982	my ($login) = @_;	1469	my ($login) = @_;
983		1470
984	$cf::PLAYER{$login}	1471	$cf::PLAYER{$login}
985	or cf::sync_job { !aio_stat path $login }	1472	or !aio_stat path $login
986	}	1473	}
987		1474
988	sub find($) {	1475	sub find($) {
989	return $cf::PLAYER{$_[0]} || do {	1476	return $cf::PLAYER{$_[0]} || do {
990	my $login = $_[0];	1477	my $login = $_[0];
991		1478
992	my $guard = cf::lock_acquire "user_find:$login";	1479	my $guard = cf::lock_acquire "user_find:$login";
993		1480
994	$cf::PLAYER{$_[0]} || do {	1481	$cf::PLAYER{$_[0]} || do {
995	my $pl = load_pl path $login	1482	# rename old playerfiles to new ones
		1483	#TODO: remove when no longer required
		1484	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1485	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1486	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1487	aio_unlink +(playerdir $login) . "/$login.pl";
		1488
		1489	my $f = new_from_file cf::object::thawer path $login
996	or return;	1490	or return;
		1491
		1492	my $pl = cf::player::load_pl $f
		1493	or return;
		1494
		1495	local $cf::PLAYER_LOADING{$login} = $pl;
		1496	$f->resolve_delayed_derefs;
997	$cf::PLAYER{$login} = $pl	1497	$cf::PLAYER{$login} = $pl
998	}	1498	}
999	}	1499	}
1000	}	1500	}
1001		1501
…		…
1010	return if $pl->{deny_save};	1510	return if $pl->{deny_save};
1011		1511
1012	aio_mkdir playerdir $pl, 0770;	1512	aio_mkdir playerdir $pl, 0770;
1013	$pl->{last_save} = $cf::RUNTIME;	1513	$pl->{last_save} = $cf::RUNTIME;
1014		1514
		1515	cf::get_slot 0.01;
		1516
1015	$pl->save_pl ($path);	1517	$pl->save_pl ($path);
1016	Coro::cede;	1518	cf::cede_to_tick;
1017	}	1519	}
1018		1520
1019	sub new($) {	1521	sub new($) {
1020	my ($login) = @_;	1522	my ($login) = @_;
1021		1523
…		…
1027	$cf::PLAYER{$login} = $self;	1529	$cf::PLAYER{$login} = $self;
1028		1530
1029	$self	1531	$self
1030	}	1532	}
1031		1533
		1534	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1535
		1536	=cut
		1537
		1538	sub send_msg {
		1539	my $ns = shift->ns
		1540	or return;
		1541	$ns->send_msg (@_);
		1542	}
		1543
1032	=item $pl->quit_character	1544	=item $pl->quit_character
1033		1545
1034	Nukes the player without looking back. If logged in, the connection will	1546	Nukes the player without looking back. If logged in, the connection will
1035	be destroyed. May block for a long time.	1547	be destroyed. May block for a long time.
1036		1548
1037	=cut	1549	=cut
1038		1550
1039	sub quit_character {	1551	sub quit_character {
1040	my ($pl) = @_;	1552	my ($pl) = @_;
1041		1553
		1554	my $name = $pl->ob->name;
		1555
1042	$pl->{deny_save} = 1;	1556	$pl->{deny_save} = 1;
1043	$pl->password ("*"); # this should lock out the player until we nuked the dir	1557	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1044		1558
1045	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1559	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1046	$pl->deactivate;	1560	$pl->deactivate;
		1561	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1562	$pl->ob->check_score;
1047	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1563	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1048	$pl->ns->destroy if $pl->ns;	1564	$pl->ns->destroy if $pl->ns;
1049		1565
1050	my $path = playerdir $pl;	1566	my $path = playerdir $pl;
1051	my $temp = "$path~$cf::RUNTIME~deleting~";	1567	my $temp = "$path~$cf::RUNTIME~deleting~";
1052	aio_rename $path, $temp;	1568	aio_rename $path, $temp;
1053	delete $cf::PLAYER{$pl->ob->name};	1569	delete $cf::PLAYER{$pl->ob->name};
1054	$pl->destroy;	1570	$pl->destroy;
		1571
		1572	my $prefix = qr<^~\Q$name\E/>;
		1573
		1574	# nuke player maps
		1575	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1576
1055	IO::AIO::aio_rmtree $temp;	1577	IO::AIO::aio_rmtree $temp;
		1578	}
		1579
		1580	=item $pl->kick
		1581
		1582	Kicks a player out of the game. This destroys the connection.
		1583
		1584	=cut
		1585
		1586	sub kick {
		1587	my ($pl, $kicker) = @_;
		1588
		1589	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1590	$pl->killer ("kicked");
		1591	$pl->ns->destroy;
1056	}	1592	}
1057		1593
1058	=item cf::player::list_logins	1594	=item cf::player::list_logins
1059		1595
1060	Returns am arrayref of all valid playernames in the system, can take a	1596	Returns am arrayref of all valid playernames in the system, can take a
1061	while and may block, so not sync_job-capable, ever.	1597	while and may block, so not sync_job-capable, ever.
1062		1598
1063	=cut	1599	=cut
1064		1600
1065	sub list_logins {	1601	sub list_logins {
1066	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1602	my $dirs = aio_readdir $PLAYERDIR
1067	or return [];	1603	or return [];
1068		1604
1069	my @logins;	1605	my @logins;
1070		1606
1071	for my $login (@$dirs) {	1607	for my $login (@$dirs) {
		1608	my $path = path $login;
		1609
		1610	# a .pst is a dead give-away for a valid player
		1611	# if no pst file found, open and chekc for blocked users
		1612	if (aio_stat "$path.pst") {
1072	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1613	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1073	aio_read $fh, 0, 512, my $buf, 0 or next;	1614	aio_read $fh, 0, 512, my $buf, 0 or next;
1074	$buf !~ /^password -------------$/m or next; # official not-valid tag	1615	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1616	}
1075		1617
1076	utf8::decode $login;	1618	utf8::decode $login;
1077	push @logins, $login;	1619	push @logins, $login;
1078	}	1620	}
1079		1621
…		…
1106	}	1648	}
1107		1649
1108	\@paths	1650	\@paths
1109	}	1651	}
1110		1652
		1653	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1654
		1655	Expand deliantra pod fragments into protocol xml.
		1656
1111	=item $player->ext_reply ($msgid, $msgtype, %msg)	1657	=item $player->ext_reply ($msgid, @msg)
1112		1658
1113	Sends an ext reply to the player.	1659	Sends an ext reply to the player.
1114		1660
1115	=cut	1661	=cut
1116		1662
1117	sub ext_reply($$$%) {	1663	sub ext_reply($$@) {
1118	my ($self, $id, %msg) = @_;	1664	my ($self, $id, @msg) = @_;
1119		1665
1120	$msg{msgid} = $id;	1666	$self->ns->ext_reply ($id, @msg)
1121
1122	$self->send ("ext " . cf::to_json \%msg);
1123	}	1667	}
1124		1668
1125	package cf;	1669	=item $player->ext_msg ($type, @msg)
		1670
		1671	Sends an ext event to the client.
		1672
		1673	=cut
		1674
		1675	sub ext_msg($$@) {
		1676	my ($self, $type, @msg) = @_;
		1677
		1678	$self->ns->ext_msg ($type, @msg);
		1679	}
		1680
		1681	=head3 cf::region
		1682
		1683	=over 4
		1684
		1685	=cut
		1686
		1687	package cf::region;
		1688
		1689	=item cf::region::find_by_path $path
		1690
		1691	Tries to decuce the likely region for a map knowing only its path.
		1692
		1693	=cut
		1694
		1695	sub find_by_path($) {
		1696	my ($path) = @_;
		1697
		1698	my ($match, $specificity);
		1699
		1700	for my $region (list) {
		1701	if ($region->{match} && $path =~ $region->{match}) {
		1702	($match, $specificity) = ($region, $region->specificity)
		1703	if $region->specificity > $specificity;
		1704	}
		1705	}
		1706
		1707	$match
		1708	}
1126		1709
1127	=back	1710	=back
1128
1129		1711
1130	=head3 cf::map	1712	=head3 cf::map
1131		1713
1132	=over 4	1714	=over 4
1133		1715
…		…
1145	our $MAX_RESET = 3600;	1727	our $MAX_RESET = 3600;
1146	our $DEFAULT_RESET = 3000;	1728	our $DEFAULT_RESET = 3000;
1147		1729
1148	sub generate_random_map {	1730	sub generate_random_map {
1149	my ($self, $rmp) = @_;	1731	my ($self, $rmp) = @_;
		1732
		1733	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1734
1150	# mit "rum" bekleckern, nicht	1735	# mit "rum" bekleckern, nicht
1151	$self->_create_random_map (	1736	$self->_create_random_map (
1152	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1737	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1153	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1738	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1154	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1739	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1188	my ($self, $merge) = @_;	1773	my ($self, $merge) = @_;
1189		1774
1190	# we have to keep some variables in memory intact	1775	# we have to keep some variables in memory intact
1191	local $self->{path};	1776	local $self->{path};
1192	local $self->{load_path};	1777	local $self->{load_path};
1193	local $self->{deny_save};
1194	local $self->{deny_reset};
1195		1778
1196	$self->SUPER::thawer_merge ($merge);	1779	$self->SUPER::thawer_merge ($merge);
1197	}	1780	}
1198		1781
1199	sub normalise {	1782	sub normalise {
…		…
1246	$self->init; # pass $1 etc.	1829	$self->init; # pass $1 etc.
1247	return $self;	1830	return $self;
1248	}	1831	}
1249	}	1832	}
1250		1833
1251	Carp::carp "unable to resolve path '$path' (base '$base').";	1834	Carp::cluck "unable to resolve path '$path' (base '$base').";
1252	()	1835	()
1253	}	1836	}
1254		1837
1255	sub init {	1838	sub init {
1256	my ($self) = @_;	1839	my ($self) = @_;
…		…
1271		1854
1272	# the original (read-only) location	1855	# the original (read-only) location
1273	sub load_path {	1856	sub load_path {
1274	my ($self) = @_;	1857	my ($self) = @_;
1275		1858
1276	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1859	"$MAPDIR/$self->{path}.map"
1277	}	1860	}
1278		1861
1279	# the temporary/swap location	1862	# the temporary/swap location
1280	sub save_path {	1863	sub save_path {
1281	my ($self) = @_;	1864	my ($self) = @_;
1282		1865
1283	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1866	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1284	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1867	"$TMPDIR/$path.map"
1285	}	1868	}
1286		1869
1287	# the unique path, undef == no special unique path	1870	# the unique path, undef == no special unique path
1288	sub uniq_path {	1871	sub uniq_path {
1289	my ($self) = @_;	1872	my ($self) = @_;
1290		1873
1291	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1874	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1292	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1875	"$UNIQUEDIR/$path"
1293	}	1876	}
1294		1877
1295	# and all this just because we cannot iterate over	1878	sub decay_objects {
1296	# all maps in C++...
1297	sub change_all_map_light {
1298	my ($change) = @_;	1879	my ($self) = @_;
1299		1880
1300	$_->change_map_light ($change)	1881	return if $self->{deny_reset};
1301	for grep $_->outdoor, values %cf::MAP;	1882
		1883	$self->do_decay_objects;
1302	}	1884	}
1303		1885
1304	sub unlink_save {	1886	sub unlink_save {
1305	my ($self) = @_;	1887	my ($self) = @_;
1306		1888
1307	utf8::encode (my $save = $self->save_path);	1889	utf8::encode (my $save = $self->save_path);
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1890	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1309	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1891	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1310
1311	#d#TODO remove .map and also nuke
1312	$save =~ s/\.map// or return;#d#
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1314	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1315	}	1892	}
1316		1893
1317	sub load_header_from($) {	1894	sub load_header_from($) {
1318	my ($self, $path) = @_;	1895	my ($self, $path) = @_;
1319		1896
1320	utf8::encode $path;	1897	utf8::encode $path;
1321	#aio_open $path, O_RDONLY, 0	1898	my $f = new_from_file cf::object::thawer $path
1322	# or return;
1323
1324	$self->_load_header ($path)
1325	or return;	1899	or return;
		1900
		1901	$self->_load_header ($f)
		1902	or return;
		1903
		1904	local $MAP_LOADING{$self->{path}} = $self;
		1905	$f->resolve_delayed_derefs;
1326		1906
1327	$self->{load_path} = $path;	1907	$self->{load_path} = $path;
1328		1908
1329	1	1909	1
1330	}	1910	}
…		…
1369	$self->load_header_orig	1949	$self->load_header_orig
1370	or return;	1950	or return;
1371	$self->prepare_orig;	1951	$self->prepare_orig;
1372	}	1952	}
1373		1953
		1954	$self->{deny_reset} = 1
		1955	if $self->no_reset;
		1956
		1957	$self->default_region (cf::region::find_by_path $self->{path})
		1958	unless $self->default_region;
		1959
1374	1	1960	1
1375	}	1961	}
1376		1962
1377	sub find;	1963	sub find;
1378	sub find {	1964	sub find {
1379	my ($path, $origin) = @_;	1965	my ($path, $origin) = @_;
1380		1966
1381	$path = normalise $path, $origin && $origin->path;	1967	$path = normalise $path, $origin && $origin->path;
1382		1968
		1969	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1383	cf::lock_wait "map_find:$path";	1970	my $guard2 = cf::lock_acquire "map_find:$path";
1384		1971
1385	$cf::MAP{$path} || do {	1972	$cf::MAP{$path} || do {
1386	my $guard = cf::lock_acquire "map_find:$path";
1387	my $map = new_from_path cf::map $path	1973	my $map = new_from_path cf::map $path
1388	or return;	1974	or return;
1389		1975
1390	$map->{last_save} = $cf::RUNTIME;	1976	$map->{last_save} = $cf::RUNTIME;
1391		1977
1392	$map->load_header	1978	$map->load_header
1393	or return;	1979	or return;
1394		1980
1395	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1981	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1396	# doing this can freeze the server in a sync job, obviously	1982	# doing this can freeze the server in a sync job, obviously
1397	#$cf::WAIT_FOR_TICK->wait;	1983	#$cf::WAIT_FOR_TICK->wait;
		1984	undef $guard2;
		1985	undef $guard1;
1398	$map->reset;	1986	$map->reset;
1399	undef $guard;
1400	return find $path;	1987	return find $path;
1401	}	1988	}
1402		1989
1403	$cf::MAP{$path} = $map	1990	$cf::MAP{$path} = $map
1404	}	1991	}
…		…
1411	my ($self) = @_;	1998	my ($self) = @_;
1412		1999
1413	local $self->{deny_reset} = 1; # loading can take a long time	2000	local $self->{deny_reset} = 1; # loading can take a long time
1414		2001
1415	my $path = $self->{path};	2002	my $path = $self->{path};
		2003
		2004	{
1416	my $guard = cf::lock_acquire "map_load:$path";	2005	my $guard = cf::lock_acquire "map_data:$path";
1417		2006
		2007	return unless $self->valid;
1418	return if $self->in_memory != cf::MAP_SWAPPED;	2008	return unless $self->in_memory == cf::MAP_SWAPPED;
1419		2009
1420	$self->in_memory (cf::MAP_LOADING);	2010	$self->in_memory (cf::MAP_LOADING);
1421		2011
1422	$self->alloc;	2012	$self->alloc;
1423		2013
1424	$self->pre_load;	2014	$self->pre_load;
		2015	cf::cede_to_tick;
1425		2016
1426	$self->_load_objects ($self->{load_path}, 1)	2017	my $f = new_from_file cf::object::thawer $self->{load_path};
		2018	$f->skip_block;
		2019	$self->_load_objects ($f)
1427	or return;	2020	or return;
1428		2021
1429	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2022	$self->post_load_original
1430	if delete $self->{load_original};	2023	if delete $self->{load_original};
1431		2024
1432	if (my $uniq = $self->uniq_path) {	2025	if (my $uniq = $self->uniq_path) {
1433	utf8::encode $uniq;	2026	utf8::encode $uniq;
1434	if (aio_open $uniq, O_RDONLY, 0) {	2027	unless (aio_stat $uniq) {
		2028	if (my $f = new_from_file cf::object::thawer $uniq) {
1435	$self->clear_unique_items;	2029	$self->clear_unique_items;
1436	$self->_load_objects ($uniq, 0);	2030	$self->_load_objects ($f);
		2031	$f->resolve_delayed_derefs;
		2032	}
1437	}	2033	}
1438	}	2034	}
1439		2035
1440	Coro::cede;	2036	$f->resolve_delayed_derefs;
1441		2037
		2038	cf::cede_to_tick;
1442	# now do the right thing for maps	2039	# now do the right thing for maps
1443	$self->link_multipart_objects;	2040	$self->link_multipart_objects;
1444
1445	unless ($self->{deny_activate}) {
1446	$self->decay_objects;
1447	$self->fix_auto_apply;
1448	$self->update_buttons;
1449	Coro::cede;
1450	$self->set_darkness_map;
1451	$self->difficulty ($self->estimate_difficulty)	2041	$self->difficulty ($self->estimate_difficulty)
1452	unless $self->difficulty;	2042	unless $self->difficulty;
1453	Coro::cede;	2043	cf::cede_to_tick;
		2044
		2045	unless ($self->{deny_activate}) {
		2046	$self->decay_objects;
		2047	$self->fix_auto_apply;
		2048	$self->update_buttons;
		2049	cf::cede_to_tick;
1454	$self->activate;	2050	$self->activate;
		2051	}
		2052
		2053	$self->{last_save} = $cf::RUNTIME;
		2054	$self->last_access ($cf::RUNTIME);
		2055
		2056	$self->in_memory (cf::MAP_ACTIVE);
1455	}	2057	}
1456		2058
1457	$self->post_load;	2059	$self->post_load;
1458
1459	$self->in_memory (cf::MAP_IN_MEMORY);
1460	}	2060	}
1461		2061
1462	sub customise_for {	2062	sub customise_for {
1463	my ($self, $ob) = @_;	2063	my ($self, $ob) = @_;
1464		2064
1465	return find "~" . $ob->name . "/" . $self->{path}	2065	return find "~" . $ob->name . "/" . $self->{path}
1466	if $self->per_player;	2066	if $self->per_player;
1467		2067
		2068	# return find "?party/" . $ob->name . "/" . $self->{path}
		2069	# if $self->per_party;
		2070
1468	$self	2071	$self
1469	}	2072	}
1470		2073
1471	# find and load all maps in the 3x3 area around a map	2074	# find and load all maps in the 3x3 area around a map
1472	sub load_diag {	2075	sub load_neighbours {
1473	my ($map) = @_;	2076	my ($map) = @_;
1474		2077
1475	my @diag; # diagonal neighbours	2078	my @neigh; # diagonal neighbours
1476		2079
1477	for (0 .. 3) {	2080	for (0 .. 3) {
1478	my $neigh = $map->tile_path ($_)	2081	my $neigh = $map->tile_path ($_)
1479	or next;	2082	or next;
1480	$neigh = find $neigh, $map	2083	$neigh = find $neigh, $map
1481	or next;	2084	or next;
1482	$neigh->load;	2085	$neigh->load;
1483		2086
		2087	push @neigh,
1484	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2088	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1485	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2089	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1486	}	2090	}
1487		2091
1488	for (@diag) {	2092	for (grep defined $_->[0], @neigh) {
		2093	my ($path, $origin) = @$_;
1489	my $neigh = find @$_	2094	my $neigh = find $path, $origin
1490	or next;	2095	or next;
1491	$neigh->load;	2096	$neigh->load;
1492	}	2097	}
1493	}	2098	}
1494		2099
…		…
1499	}	2104	}
1500		2105
1501	sub do_load_sync {	2106	sub do_load_sync {
1502	my ($map) = @_;	2107	my ($map) = @_;
1503		2108
		2109	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2110	if $Coro::current == $Coro::main;
		2111
1504	cf::sync_job { $map->load };	2112	cf::sync_job { $map->load };
1505	}	2113	}
1506		2114
1507	our %MAP_PREFETCH;	2115	our %MAP_PREFETCH;
1508	our $MAP_PREFETCHER = undef;	2116	our $MAP_PREFETCHER = undef;
1509		2117
1510	sub find_async {	2118	sub find_async {
1511	my ($path, $origin) = @_;	2119	my ($path, $origin, $load) = @_;
1512		2120
1513	$path = normalise $path, $origin && $origin->{path};	2121	$path = normalise $path, $origin && $origin->{path};
1514		2122
1515	if (my $map = $cf::MAP{$path}) {	2123	if (my $map = $cf::MAP{$path}) {
1516	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2124	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1517	}	2125	}
1518		2126
1519	undef $MAP_PREFETCH{$path};	2127	$MAP_PREFETCH{$path} |= $load;
		2128
1520	$MAP_PREFETCHER ||= cf::async {	2129	$MAP_PREFETCHER ||= cf::async {
		2130	$Coro::current->{desc} = "map prefetcher";
		2131
1521	while (%MAP_PREFETCH) {	2132	while (%MAP_PREFETCH) {
1522	for my $path (keys %MAP_PREFETCH) {	2133	while (my ($k, $v) = each %MAP_PREFETCH) {
1523	my $map = find $path	2134	if (my $map = find $k) {
1524	or next;
1525	$map->load;	2135	$map->load if $v;
		2136	}
1526		2137
1527	delete $MAP_PREFETCH{$path};	2138	delete $MAP_PREFETCH{$k};
1528	}	2139	}
1529	}	2140	}
1530	undef $MAP_PREFETCHER;	2141	undef $MAP_PREFETCHER;
1531	};	2142	};
1532	$MAP_PREFETCHER->prio (6);	2143	$MAP_PREFETCHER->prio (6);
…		…
1535	}	2146	}
1536		2147
1537	sub save {	2148	sub save {
1538	my ($self) = @_;	2149	my ($self) = @_;
1539		2150
1540	my $lock = cf::lock_acquire "map_data:" . $self->path;	2151	my $lock = cf::lock_acquire "map_data:$self->{path}";
1541		2152
1542	$self->{last_save} = $cf::RUNTIME;	2153	$self->{last_save} = $cf::RUNTIME;
1543		2154
1544	return unless $self->dirty;	2155	return unless $self->dirty;
1545		2156
…		…
1551	return if $self->{deny_save};	2162	return if $self->{deny_save};
1552		2163
1553	local $self->{last_access} = $self->last_access;#d#	2164	local $self->{last_access} = $self->last_access;#d#
1554		2165
1555	cf::async {	2166	cf::async {
		2167	$Coro::current->{desc} = "map player save";
1556	$_->contr->save for $self->players;	2168	$_->contr->save for $self->players;
1557	};	2169	};
		2170
		2171	cf::get_slot 0.02;
1558		2172
1559	if ($uniq) {	2173	if ($uniq) {
1560	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2174	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1561	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2175	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1562	} else {	2176	} else {
…		…
1568	my ($self) = @_;	2182	my ($self) = @_;
1569		2183
1570	# save first because save cedes	2184	# save first because save cedes
1571	$self->save;	2185	$self->save;
1572		2186
1573	my $lock = cf::lock_acquire "map_data:" . $self->path;	2187	my $lock = cf::lock_acquire "map_data:$self->{path}";
1574		2188
1575	return if $self->players;	2189	return if $self->players;
1576	return if $self->in_memory != cf::MAP_IN_MEMORY;	2190	return if $self->in_memory != cf::MAP_ACTIVE;
1577	return if $self->{deny_save};	2191	return if $self->{deny_save};
1578		2192
		2193	$self->in_memory (cf::MAP_SWAPPED);
		2194
		2195	$self->deactivate;
		2196	$_->clear_links_to ($self) for values %cf::MAP;
1579	$self->clear;	2197	$self->clear;
1580	$self->in_memory (cf::MAP_SWAPPED);
1581	}	2198	}
1582		2199
1583	sub reset_at {	2200	sub reset_at {
1584	my ($self) = @_;	2201	my ($self) = @_;
1585		2202
1586	# TODO: safety, remove and allow resettable per-player maps	2203	# TODO: safety, remove and allow resettable per-player maps
1587	return 1e99 if $self->isa ("ext::map_per_player");#d#
1588	return 1e99 if $self->{deny_reset};	2204	return 1e99 if $self->{deny_reset};
1589		2205
1590	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2206	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1591	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2207	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1592		2208
…		…
1603	my ($self) = @_;	2219	my ($self) = @_;
1604		2220
1605	my $lock = cf::lock_acquire "map_data:$self->{path}";	2221	my $lock = cf::lock_acquire "map_data:$self->{path}";
1606		2222
1607	return if $self->players;	2223	return if $self->players;
1608	return if $self->isa ("ext::map_per_player");#d#
1609		2224
1610	warn "resetting map ", $self->path;#d#	2225	warn "resetting map ", $self->path, "\n";
1611		2226
1612	$self->in_memory (cf::MAP_SWAPPED);	2227	$self->in_memory (cf::MAP_SWAPPED);
1613		2228
1614	# need to save uniques path	2229	# need to save uniques path
1615	unless ($self->{deny_save}) {	2230	unless ($self->{deny_save}) {
…		…
1619	if $uniq;	2234	if $uniq;
1620	}	2235	}
1621		2236
1622	delete $cf::MAP{$self->path};	2237	delete $cf::MAP{$self->path};
1623		2238
		2239	$self->deactivate;
		2240	$_->clear_links_to ($self) for values %cf::MAP;
1624	$self->clear;	2241	$self->clear;
1625
1626	$_->clear_links_to ($self) for values %cf::MAP;
1627		2242
1628	$self->unlink_save;	2243	$self->unlink_save;
1629	$self->destroy;	2244	$self->destroy;
1630	}	2245	}
1631		2246
1632	my $nuke_counter = "aaaa";	2247	my $nuke_counter = "aaaa";
1633		2248
1634	sub nuke {	2249	sub nuke {
1635	my ($self) = @_;	2250	my ($self) = @_;
1636		2251
		2252	{
		2253	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2254
1637	delete $cf::MAP{$self->path};	2255	delete $cf::MAP{$self->path};
1638		2256
1639	$self->unlink_save;	2257	$self->unlink_save;
1640		2258
1641	bless $self, "cf::map";	2259	bless $self, "cf::map";
1642	delete $self->{deny_reset};	2260	delete $self->{deny_reset};
1643	$self->{deny_save} = 1;	2261	$self->{deny_save} = 1;
1644	$self->reset_timeout (1);	2262	$self->reset_timeout (1);
1645	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2263	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1646		2264
1647	$cf::MAP{$self->path} = $self;	2265	$cf::MAP{$self->path} = $self;
		2266	}
1648		2267
1649	$self->reset; # polite request, might not happen	2268	$self->reset; # polite request, might not happen
		2269	}
		2270
		2271	=item $maps = cf::map::tmp_maps
		2272
		2273	Returns an arrayref with all map paths of currently instantiated and saved
		2274	maps. May block.
		2275
		2276	=cut
		2277
		2278	sub tmp_maps() {
		2279	[
		2280	map {
		2281	utf8::decode $_;
		2282	/\.map$/
		2283	? normalise $_
		2284	: ()
		2285	} @{ aio_readdir $TMPDIR or [] }
		2286	]
		2287	}
		2288
		2289	=item $maps = cf::map::random_maps
		2290
		2291	Returns an arrayref with all map paths of currently instantiated and saved
		2292	random maps. May block.
		2293
		2294	=cut
		2295
		2296	sub random_maps() {
		2297	[
		2298	map {
		2299	utf8::decode $_;
		2300	/\.map$/
		2301	? normalise "?random/$_"
		2302	: ()
		2303	} @{ aio_readdir $RANDOMDIR or [] }
		2304	]
1650	}	2305	}
1651		2306
1652	=item cf::map::unique_maps	2307	=item cf::map::unique_maps
1653		2308
1654	Returns an arrayref of paths of all shared maps that have	2309	Returns an arrayref of paths of all shared maps that have
1655	instantiated unique items. May block.	2310	instantiated unique items. May block.
1656		2311
1657	=cut	2312	=cut
1658		2313
1659	sub unique_maps() {	2314	sub unique_maps() {
1660	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2315	[
1661	or return;	2316	map {
1662
1663	my @paths;
1664
1665	for (@$files) {
1666	utf8::decode $_;	2317	utf8::decode $_;
1667	next if /\.pst$/;	2318	s/\.map$//; # TODO future compatibility hack
1668	next unless /^$PATH_SEP/o;	2319	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1669		2320	? ()
1670	push @paths, cf::map::normalise $_;	2321	: normalise $_
		2322	} @{ aio_readdir $UNIQUEDIR or [] }
1671	}	2323	]
1672
1673	\@paths
1674	}	2324	}
1675
1676	package cf;
1677		2325
1678	=back	2326	=back
1679		2327
1680	=head3 cf::object	2328	=head3 cf::object
1681		2329
…		…
1685		2333
1686	=over 4	2334	=over 4
1687		2335
1688	=item $ob->inv_recursive	2336	=item $ob->inv_recursive
1689		2337
1690	Returns the inventory of the object _and_ their inventories, recursively.	2338	Returns the inventory of the object I<and> their inventories, recursively,
		2339	but I<not> the object itself.
1691		2340
1692	=cut	2341	=cut
1693		2342
1694	sub inv_recursive_;	2343	sub inv_recursive_;
1695	sub inv_recursive_ {	2344	sub inv_recursive_ {
…		…
1698		2347
1699	sub inv_recursive {	2348	sub inv_recursive {
1700	inv_recursive_ inv $_[0]	2349	inv_recursive_ inv $_[0]
1701	}	2350	}
1702		2351
		2352	=item $ref = $ob->ref
		2353
		2354	Creates and returns a persistent reference to an object that can be stored as a string.
		2355
		2356	=item $ob = cf::object::deref ($refstring)
		2357
		2358	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2359	even if the object actually exists. May block.
		2360
		2361	=cut
		2362
		2363	sub deref {
		2364	my ($ref) = @_;
		2365
		2366	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2367	my ($uuid, $name) = ($1, $2);
		2368	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2369	or return;
		2370	$pl->ob->uuid eq $uuid
		2371	or return;
		2372
		2373	$pl->ob
		2374	} else {
		2375	warn "$ref: cannot resolve object reference\n";
		2376	undef
		2377	}
		2378	}
		2379
1703	package cf;	2380	package cf;
1704		2381
1705	=back	2382	=back
1706		2383
1707	=head3 cf::object::player	2384	=head3 cf::object::player
…		…
1713	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2390	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1714	can be C<undef>. Does the right thing when the player is currently in a	2391	can be C<undef>. Does the right thing when the player is currently in a
1715	dialogue with the given NPC character.	2392	dialogue with the given NPC character.
1716		2393
1717	=cut	2394	=cut
		2395
		2396	our $SAY_CHANNEL = {
		2397	id => "say",
		2398	title => "Map",
		2399	reply => "say ",
		2400	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2401	};
		2402
		2403	our $CHAT_CHANNEL = {
		2404	id => "chat",
		2405	title => "Chat",
		2406	reply => "chat ",
		2407	tooltip => "Player chat and shouts, global to the server.",
		2408	};
1718		2409
1719	# rough implementation of a future "reply" method that works	2410	# rough implementation of a future "reply" method that works
1720	# with dialog boxes.	2411	# with dialog boxes.
1721	#TODO: the first argument must go, split into a $npc->reply_to ( method	2412	#TODO: the first argument must go, split into a $npc->reply_to ( method
1722	sub cf::object::player::reply($$$;$) {	2413	sub cf::object::player::reply($$$;$) {
…		…
1724		2415
1725	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2416	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1726		2417
1727	if ($self->{record_replies}) {	2418	if ($self->{record_replies}) {
1728	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2419	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2420
1729	} else {	2421	} else {
		2422	my $pl = $self->contr;
		2423
		2424	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2425	my $dialog = $pl->{npc_dialog};
		2426	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2427
		2428	} else {
1730	$msg = $npc->name . " says: $msg" if $npc;	2429	$msg = $npc->name . " says: $msg" if $npc;
1731	$self->message ($msg, $flags);	2430	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2431	}
1732	}	2432	}
		2433	}
		2434
		2435	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2436
		2437	=cut
		2438
		2439	sub cf::object::send_msg {
		2440	my $pl = shift->contr
		2441	or return;
		2442	$pl->send_msg (@_);
1733	}	2443	}
1734		2444
1735	=item $player_object->may ("access")	2445	=item $player_object->may ("access")
1736		2446
1737	Returns wether the given player is authorized to access resource "access"	2447	Returns wether the given player is authorized to access resource "access"
…		…
1750		2460
1751	=item $player_object->enter_link	2461	=item $player_object->enter_link
1752		2462
1753	Freezes the player and moves him/her to a special map (C<{link}>).	2463	Freezes the player and moves him/her to a special map (C<{link}>).
1754		2464
1755	The player should be reasonably safe there for short amounts of time. You	2465	The player should be reasonably safe there for short amounts of time (e.g.
1756	I<MUST> call C<leave_link> as soon as possible, though.	2466	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2467	though, as the palyer cannot control the character while it is on the link
		2468	map.
1757		2469
1758	Will never block.	2470	Will never block.
1759		2471
1760	=item $player_object->leave_link ($map, $x, $y)	2472	=item $player_object->leave_link ($map, $x, $y)
1761		2473
…		…
1784	$self->deactivate_recursive;	2496	$self->deactivate_recursive;
1785		2497
1786	return if UNIVERSAL::isa $self->map, "ext::map_link";	2498	return if UNIVERSAL::isa $self->map, "ext::map_link";
1787		2499
1788	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2500	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1789	if $self->map;	2501	if $self->map && $self->map->{path} ne "{link}";
1790		2502
1791	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2503	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1792	}	2504	}
1793		2505
1794	sub cf::object::player::leave_link {	2506	sub cf::object::player::leave_link {
1795	my ($self, $map, $x, $y) = @_;	2507	my ($self, $map, $x, $y) = @_;
		2508
		2509	return unless $self->contr->active;
1796		2510
1797	my $link_pos = delete $self->{_link_pos};	2511	my $link_pos = delete $self->{_link_pos};
1798		2512
1799	unless ($map) {	2513	unless ($map) {
1800	# restore original map position	2514	# restore original map position
…		…
1814	# use -1 or undef as default coordinates, not 0, 0	2528	# use -1 or undef as default coordinates, not 0, 0
1815	($x, $y) = ($map->enter_x, $map->enter_y)	2529	($x, $y) = ($map->enter_x, $map->enter_y)
1816	if $x <=0 && $y <= 0;	2530	if $x <=0 && $y <= 0;
1817		2531
1818	$map->load;	2532	$map->load;
1819	$map->load_diag;	2533	$map->load_neighbours;
1820		2534
1821	return unless $self->contr->active;	2535	return unless $self->contr->active;
1822	$self->activate_recursive;
1823		2536
1824	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2537	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1825	$self->enter_map ($map, $x, $y);	2538	$self->enter_map ($map, $x, $y);
1826	}
1827		2539
1828	cf::player->attach (	2540	# only activate afterwards, to support waiting in hooks
1829	on_logout => sub {	2541	$self->activate_recursive;
1830	my ($pl) = @_;	2542	}
1831		2543
1832	# abort map switching before logout	2544	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1833	if ($pl->ob->{_link_pos}) {
1834	cf::sync_job {
1835	$pl->ob->leave_link
1836	};
1837	}
1838	},
1839	on_login => sub {
1840	my ($pl) = @_;
1841		2545
1842	# try to abort aborted map switching on player login :)	2546	Moves the player to the given map-path and coordinates by first freezing
1843	# should happen only on crashes	2547	her, loading and preparing them map, calling the provided $check callback
1844	if ($pl->ob->{_link_pos}) {	2548	that has to return the map if sucecssful, and then unfreezes the player on
1845	$pl->ob->enter_link;	2549	the new (success) or old (failed) map position. In either case, $done will
1846	(async {	2550	be called at the end of this process.
1847	$pl->ob->reply (undef,
1848	"There was an internal problem at your last logout, "
1849	. "the server will try to bring you to your intended destination in a second.",
1850	cf::NDI_RED);
1851	# we need this sleep as the login has a concurrent enter_exit running
1852	# and this sleep increases chances of the player not ending up in scorn
1853	Coro::Timer::sleep 1;
1854	$pl->ob->leave_link;
1855	})->prio (2);
1856	}
1857	},
1858	);
1859		2551
1860	=item $player_object->goto ($path, $x, $y)	2552	Note that $check will be called with a potentially non-loaded map, so if
		2553	it needs a loaded map it has to call C<< ->load >>.
1861		2554
1862	=cut	2555	=cut
		2556
		2557	our $GOTOGEN;
1863		2558
1864	sub cf::object::player::goto {	2559	sub cf::object::player::goto {
1865	my ($self, $path, $x, $y) = @_;	2560	my ($self, $path, $x, $y, $check, $done) = @_;
		2561
		2562	# do generation counting so two concurrent goto's will be executed in-order
		2563	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1866		2564
1867	$self->enter_link;	2565	$self->enter_link;
1868		2566
1869	(async {	2567	(async {
		2568	$Coro::current->{desc} = "player::goto $path $x $y";
		2569
		2570	# *tag paths override both path and x|y
		2571	if ($path =~ /^\*(.*)$/) {
		2572	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2573	my $ob = $obs[rand @obs];
		2574
		2575	# see if we actually can go there
		2576	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2577	$ob = $obs[rand @obs];
		2578	} else {
		2579	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2580	}
		2581	# else put us there anyways for now #d#
		2582
		2583	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2584	} else {
		2585	($path, $x, $y) = (undef, undef, undef);
		2586	}
		2587	}
		2588
1870	my $map = eval {	2589	my $map = eval {
1871	my $map = cf::map::find $path;	2590	my $map = defined $path ? cf::map::find $path : undef;
		2591
		2592	if ($map) {
1872	$map = $map->customise_for ($self) if $map;	2593	$map = $map->customise_for ($self);
		2594	$map = $check->($map) if $check && $map;
		2595	} else {
		2596	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2597	}
		2598
1873	$map	2599	$map
		2600	};
		2601
		2602	if ($@) {
		2603	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2604	LOG llevError | logBacktrace, Carp::longmess $@;
1874	} or	2605	}
1875	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1876		2606
		2607	if ($gen == $self->{_goto_generation}) {
		2608	delete $self->{_goto_generation};
1877	$self->leave_link ($map, $x, $y);	2609	$self->leave_link ($map, $x, $y);
		2610	}
		2611
		2612	$done->() if $done;
1878	})->prio (1);	2613	})->prio (1);
1879	}	2614	}
1880		2615
1881	=item $player_object->enter_exit ($exit_object)	2616	=item $player_object->enter_exit ($exit_object)
1882		2617
…		…
1902	}	2637	}
1903		2638
1904	sub prepare_random_map {	2639	sub prepare_random_map {
1905	my ($exit) = @_;	2640	my ($exit) = @_;
1906		2641
1907	my $guard = cf::lock_acquire "exit_prepare:$exit";
1908
1909	# all this does is basically replace the /! path by	2642	# all this does is basically replace the /! path by
1910	# a new random map path (?random/...) with a seed	2643	# a new random map path (?random/...) with a seed
1911	# that depends on the exit object	2644	# that depends on the exit object
1912		2645
1913	my $rmp = parse_random_map_params $exit->msg;	2646	my $rmp = parse_random_map_params $exit->msg;
…		…
1915	if ($exit->map) {	2648	if ($exit->map) {
1916	$rmp->{region} = $exit->region->name;	2649	$rmp->{region} = $exit->region->name;
1917	$rmp->{origin_map} = $exit->map->path;	2650	$rmp->{origin_map} = $exit->map->path;
1918	$rmp->{origin_x} = $exit->x;	2651	$rmp->{origin_x} = $exit->x;
1919	$rmp->{origin_y} = $exit->y;	2652	$rmp->{origin_y} = $exit->y;
		2653
		2654	$exit->map->touch;
1920	}	2655	}
1921		2656
1922	$rmp->{random_seed} ||= $exit->random_seed;	2657	$rmp->{random_seed} ||= $exit->random_seed;
1923		2658
1924	my $data = cf::to_json $rmp;	2659	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1925	my $md5 = Digest::MD5::md5_hex $data;	2660	my $md5 = Digest::MD5::md5_hex $data;
1926	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2661	my $meta = "$RANDOMDIR/$md5.meta";
1927		2662
1928	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2663	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1929	aio_write $fh, 0, (length $data), $data, 0;	2664	aio_write $fh, 0, (length $data), $data, 0;
1930	undef $fh;	2665	undef $fh;
1931	aio_rename "$meta~", $meta;	2666	aio_rename "$meta~", $meta;
1932		2667
		2668	my $slaying = "?random/$md5";
		2669
		2670	if ($exit->valid) {
1933	$exit->slaying ("?random/$md5");	2671	$exit->slaying ("?random/$md5");
1934	$exit->msg (undef);	2672	$exit->msg (undef);
		2673	}
1935	}	2674	}
1936	}	2675	}
1937		2676
1938	sub cf::object::player::enter_exit {	2677	sub cf::object::player::enter_exit {
1939	my ($self, $exit) = @_;	2678	my ($self, $exit) = @_;
1940		2679
1941	return unless $self->type == cf::PLAYER;	2680	return unless $self->type == cf::PLAYER;
1942		2681
1943	if ($exit->slaying eq "/!") {
1944	#TODO: this should de-fi-ni-te-ly not be a sync-job
1945	cf::sync_job { prepare_random_map $exit };
1946	}
1947
1948	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1949	my $hp = $exit->stats->hp;
1950	my $sp = $exit->stats->sp;
1951
1952	$self->enter_link;	2682	$self->enter_link;
1953		2683
1954	(async {	2684	(async {
1955	$self->deactivate_recursive; # just to be sure	2685	$Coro::current->{desc} = "enter_exit";
		2686
1956	unless (eval {	2687	unless (eval {
		2688	$self->deactivate_recursive; # just to be sure
		2689
		2690	# random map handling
		2691	{
		2692	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2693
		2694	prepare_random_map $exit
		2695	if $exit->slaying eq "/!";
		2696	}
		2697
		2698	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2699	my $x = $exit->stats->hp;
		2700	my $y = $exit->stats->sp;
		2701
1957	$self->goto ($slaying, $hp, $sp);	2702	$self->goto ($map, $x, $y);
1958		2703
		2704	# if exit is damned, update players death & WoR home-position
		2705	$self->contr->savebed ($map, $x, $y)
		2706	if $exit->flag (cf::FLAG_DAMNED);
		2707
1959	1;	2708	1
1960	}) {	2709	}) {
1961	$self->message ("Something went wrong deep within the crossfire server. "	2710	$self->message ("Something went wrong deep within the deliantra server. "
1962	. "I'll try to bring you back to the map you were before. "	2711	. "I'll try to bring you back to the map you were before. "
1963	. "Please report this to the dungeon master!",	2712	. "Please report this to the dungeon master!",
1964	cf::NDI_UNIQUE | cf::NDI_RED);	2713	cf::NDI_UNIQUE | cf::NDI_RED);
1965		2714
1966	warn "ERROR in enter_exit: $@";	2715	warn "ERROR in enter_exit: $@";
1967	$self->leave_link;	2716	$self->leave_link;
1968	}	2717	}
1969	})->prio (1);	2718	})->prio (1);
…		…
1982		2731
1983	sub cf::client::send_drawinfo {	2732	sub cf::client::send_drawinfo {
1984	my ($self, $text, $flags) = @_;	2733	my ($self, $text, $flags) = @_;
1985		2734
1986	utf8::encode $text;	2735	utf8::encode $text;
1987	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2736	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1988	}	2737	}
1989		2738
		2739	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2740
		2741	Send a drawinfo or msg packet to the client, formatting the msg for the
		2742	client if neccessary. C<$type> should be a string identifying the type of
		2743	the message, with C<log> being the default. If C<$color> is negative, suppress
		2744	the message unless the client supports the msg packet.
		2745
		2746	=cut
		2747
		2748	# non-persistent channels (usually the info channel)
		2749	our %CHANNEL = (
		2750	"c/identify" => {
		2751	id => "infobox",
		2752	title => "Identify",
		2753	reply => undef,
		2754	tooltip => "Items recently identified",
		2755	},
		2756	"c/examine" => {
		2757	id => "infobox",
		2758	title => "Examine",
		2759	reply => undef,
		2760	tooltip => "Signs and other items you examined",
		2761	},
		2762	"c/book" => {
		2763	id => "infobox",
		2764	title => "Book",
		2765	reply => undef,
		2766	tooltip => "The contents of a note or book",
		2767	},
		2768	"c/lookat" => {
		2769	id => "infobox",
		2770	title => "Look",
		2771	reply => undef,
		2772	tooltip => "What you saw there",
		2773	},
		2774	"c/who" => {
		2775	id => "infobox",
		2776	title => "Players",
		2777	reply => undef,
		2778	tooltip => "Shows players who are currently online",
		2779	},
		2780	"c/body" => {
		2781	id => "infobox",
		2782	title => "Body Parts",
		2783	reply => undef,
		2784	tooltip => "Shows which body parts you posess and are available",
		2785	},
		2786	"c/statistics" => {
		2787	id => "infobox",
		2788	title => "Statistics",
		2789	reply => undef,
		2790	tooltip => "Shows your primary statistics",
		2791	},
		2792	"c/skills" => {
		2793	id => "infobox",
		2794	title => "Skills",
		2795	reply => undef,
		2796	tooltip => "Shows your experience per skill and item power",
		2797	},
		2798	"c/shopitems" => {
		2799	id => "infobox",
		2800	title => "Shop Items",
		2801	reply => undef,
		2802	tooltip => "Shows the items currently for sale in this shop",
		2803	},
		2804	"c/resistances" => {
		2805	id => "infobox",
		2806	title => "Resistances",
		2807	reply => undef,
		2808	tooltip => "Shows your resistances",
		2809	},
		2810	"c/pets" => {
		2811	id => "infobox",
		2812	title => "Pets",
		2813	reply => undef,
		2814	tooltip => "Shows information abotu your pets/a specific pet",
		2815	},
		2816	"c/perceiveself" => {
		2817	id => "infobox",
		2818	title => "Perceive Self",
		2819	reply => undef,
		2820	tooltip => "You gained detailed knowledge about yourself",
		2821	},
		2822	"c/uptime" => {
		2823	id => "infobox",
		2824	title => "Uptime",
		2825	reply => undef,
		2826	tooltip => "How long the server has been running since last restart",
		2827	},
		2828	"c/mapinfo" => {
		2829	id => "infobox",
		2830	title => "Map Info",
		2831	reply => undef,
		2832	tooltip => "Information related to the maps",
		2833	},
		2834	"c/party" => {
		2835	id => "party",
		2836	title => "Party",
		2837	reply => "gsay ",
		2838	tooltip => "Messages and chat related to your party",
		2839	},
		2840	"c/death" => {
		2841	id => "death",
		2842	title => "Death",
		2843	reply => undef,
		2844	tooltip => "Reason for and more info about your most recent death",
		2845	},
		2846	"c/say" => $SAY_CHANNEL,
		2847	"c/chat" => $CHAT_CHANNEL,
		2848	);
		2849
		2850	sub cf::client::send_msg {
		2851	my ($self, $channel, $msg, $color, @extra) = @_;
		2852
		2853	$msg = $self->pl->expand_cfpod ($msg)
		2854	unless $color & cf::NDI_VERBATIM;
		2855
		2856	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2857
		2858	# check predefined channels, for the benefit of C
		2859	if ($CHANNEL{$channel}) {
		2860	$channel = $CHANNEL{$channel};
		2861
		2862	$self->ext_msg (channel_info => $channel);
		2863	$channel = $channel->{id};
		2864
		2865	} elsif (ref $channel) {
		2866	# send meta info to client, if not yet sent
		2867	unless (exists $self->{channel}{$channel->{id}}) {
		2868	$self->{channel}{$channel->{id}} = $channel;
		2869	$self->ext_msg (channel_info => $channel);
		2870	}
		2871
		2872	$channel = $channel->{id};
		2873	}
		2874
		2875	return unless @extra || length $msg;
		2876
		2877	# default colour, mask it out
		2878	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2879	if $color & cf::NDI_DEF;
		2880
		2881	my $pkt = "msg "
		2882	. $self->{json_coder}->encode (
		2883	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2884	);
		2885
		2886	# try lzf for large packets
		2887	$pkt = "lzf " . Compress::LZF::compress $pkt
		2888	if 1024 <= length $pkt and $self->{can_lzf};
		2889
		2890	# split very large packets
		2891	if (8192 < length $pkt and $self->{can_lzf}) {
		2892	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2893	$pkt = "frag";
		2894	}
		2895
		2896	$self->send_packet ($pkt);
		2897	}
		2898
		2899	=item $client->ext_msg ($type, @msg)
		2900
		2901	Sends an ext event to the client.
		2902
		2903	=cut
		2904
		2905	sub cf::client::ext_msg($$@) {
		2906	my ($self, $type, @msg) = @_;
		2907
		2908	if ($self->extcmd == 2) {
		2909	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2910	} elsif ($self->extcmd == 1) { # TODO: remove
		2911	push @msg, msgtype => "event_$type";
		2912	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2913	}
		2914	}
		2915
		2916	=item $client->ext_reply ($msgid, @msg)
		2917
		2918	Sends an ext reply to the client.
		2919
		2920	=cut
		2921
		2922	sub cf::client::ext_reply($$@) {
		2923	my ($self, $id, @msg) = @_;
		2924
		2925	if ($self->extcmd == 2) {
		2926	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2927	} elsif ($self->extcmd == 1) {
		2928	#TODO: version 1, remove
		2929	unshift @msg, msgtype => "reply", msgid => $id;
		2930	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2931	}
		2932	}
1990		2933
1991	=item $success = $client->query ($flags, "text", \&cb)	2934	=item $success = $client->query ($flags, "text", \&cb)
1992		2935
1993	Queues a query to the client, calling the given callback with	2936	Queues a query to the client, calling the given callback with
1994	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2937	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1995	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2938	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1996		2939
1997	Queries can fail, so check the return code. Or don't, as queries will become	2940	Queries can fail, so check the return code. Or don't, as queries will
1998	reliable at some point in the future.	2941	become reliable at some point in the future.
1999		2942
2000	=cut	2943	=cut
2001		2944
2002	sub cf::client::query {	2945	sub cf::client::query {
2003	my ($self, $flags, $text, $cb) = @_;	2946	my ($self, $flags, $text, $cb) = @_;
…		…
2011	utf8::encode $text;	2954	utf8::encode $text;
2012	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2955	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2013		2956
2014	$self->send_packet ($self->{query_queue}[0][0])	2957	$self->send_packet ($self->{query_queue}[0][0])
2015	if @{ $self->{query_queue} } == 1;	2958	if @{ $self->{query_queue} } == 1;
		2959
		2960	1
2016	}	2961	}
2017		2962
2018	cf::client->attach (	2963	cf::client->attach (
		2964	on_connect => sub {
		2965	my ($ns) = @_;
		2966
		2967	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2968	},
2019	on_reply => sub {	2969	on_reply => sub {
2020	my ($ns, $msg) = @_;	2970	my ($ns, $msg) = @_;
2021		2971
2022	# this weird shuffling is so that direct followup queries	2972	# this weird shuffling is so that direct followup queries
2023	# get handled first	2973	# get handled first
…		…
2035	} else {	2985	} else {
2036	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2986	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2037	}	2987	}
2038	}	2988	}
2039	},	2989	},
		2990	on_exticmd => sub {
		2991	my ($ns, $buf) = @_;
		2992
		2993	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2994
		2995	if (ref $msg) {
		2996	my ($type, $reply, @payload) =
		2997	"ARRAY" eq ref $msg
		2998	? @$msg
		2999	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3000
		3001	my @reply;
		3002
		3003	if (my $cb = $EXTICMD{$type}) {
		3004	@reply = $cb->($ns, @payload);
		3005	}
		3006
		3007	$ns->ext_reply ($reply, @reply)
		3008	if $reply;
		3009
		3010	} else {
		3011	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3012	}
		3013
		3014	cf::override;
		3015	},
2040	);	3016	);
2041		3017
2042	=item $client->async (\&cb)	3018	=item $client->async (\&cb)
2043		3019
2044	Create a new coroutine, running the specified callback. The coroutine will	3020	Create a new coroutine, running the specified callback. The coroutine will
…		…
2085	our $safe = new Safe "safe";	3061	our $safe = new Safe "safe";
2086	our $safe_hole = new Safe::Hole;	3062	our $safe_hole = new Safe::Hole;
2087		3063
2088	$SIG{FPE} = 'IGNORE';	3064	$SIG{FPE} = 'IGNORE';
2089		3065
2090	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3066	$safe->permit_only (Opcode::opset qw(
		3067	:base_core :base_mem :base_orig :base_math
		3068	grepstart grepwhile mapstart mapwhile
		3069	sort time
		3070	));
2091		3071
2092	# here we export the classes and methods available to script code	3072	# here we export the classes and methods available to script code
2093		3073
2094	=pod	3074	=pod
2095		3075
2096	The following fucntions and emthods are available within a safe environment:	3076	The following functions and methods are available within a safe environment:
2097		3077
2098	cf::object contr pay_amount pay_player map	3078	cf::object
		3079	contr pay_amount pay_player map x y force_find force_add destroy
		3080	insert remove name archname title slaying race decrease split
		3081	value
		3082
2099	cf::object::player player	3083	cf::object::player
2100	cf::player peaceful	3084	player
2101	cf::map trigger	3085
		3086	cf::player
		3087	peaceful
		3088
		3089	cf::map
		3090	trigger
2102		3091
2103	=cut	3092	=cut
2104		3093
2105	for (	3094	for (
2106	["cf::object" => qw(contr pay_amount pay_player map)],	3095	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3096	insert remove inv nrof name archname title slaying race
		3097	decrease split destroy change_exp value msg lore send_msg)],
2107	["cf::object::player" => qw(player)],	3098	["cf::object::player" => qw(player)],
2108	["cf::player" => qw(peaceful)],	3099	["cf::player" => qw(peaceful send_msg)],
2109	["cf::map" => qw(trigger)],	3100	["cf::map" => qw(trigger)],
2110	) {	3101	) {
2111	no strict 'refs';	3102	no strict 'refs';
2112	my ($pkg, @funs) = @$_;	3103	my ($pkg, @funs) = @$_;
2113	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3104	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2130	my ($code, %vars) = @_;	3121	my ($code, %vars) = @_;
2131		3122
2132	my $qcode = $code;	3123	my $qcode = $code;
2133	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3124	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2134	$qcode =~ s/\n/\\n/g;	3125	$qcode =~ s/\n/\\n/g;
		3126
		3127	%vars = (_dummy => 0) unless %vars;
2135		3128
2136	local $_;	3129	local $_;
2137	local @safe::cf::_safe_eval_args = values %vars;	3130	local @safe::cf::_safe_eval_args = values %vars;
2138		3131
2139	my $eval =	3132	my $eval =
…		…
2182	=back	3175	=back
2183		3176
2184	=cut	3177	=cut
2185		3178
2186	#############################################################################	3179	#############################################################################
2187
2188	=head2 EXTENSION DATABASE SUPPORT
2189
2190	Crossfire maintains a very simple database for extension use. It can
2191	currently store anything that can be serialised using Storable, which
2192	excludes objects.
2193
2194	The parameter C<$family> should best start with the name of the extension
2195	using it, it should be unique.
2196
2197	=over 4
2198
2199	=item $value = cf::db_get $family => $key
2200
2201	Returns a single value from the database.
2202
2203	=item cf::db_put $family => $key => $value
2204
2205	Stores the given C<$value> in the family.
2206
2207	=cut
2208
2209	our $DB;
2210
2211	sub db_init {
2212	unless ($DB) {
2213	$DB = BDB::db_create $DB_ENV;
2214
2215	cf::sync_job {
2216	eval {
2217	$DB->set_flags (BDB::CHKSUM);
2218
2219	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2220	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2221	cf::cleanup "db_open(db): $!" if $!;
2222	};
2223	cf::cleanup "db_open(db): $@" if $@;
2224	};
2225
2226	my $path = cf::localdir . "/database.pst";
2227	if (stat $path) {
2228	cf::sync_job {
2229	my $pst = Storable::retrieve $path;
2230
2231	cf::db_put (board => data => $pst->{board});
2232	cf::db_put (guildrules => data => $pst->{guildrules});
2233	cf::db_put (rent => balance => $pst->{rent}{balance});
2234	BDB::db_env_txn_checkpoint $DB_ENV;
2235
2236	unlink $path;
2237	};
2238	}
2239	}
2240	}
2241
2242	sub db_get($$) {
2243	my $key = "$_[0]/$_[1]";
2244
2245	cf::sync_job {
2246	BDB::db_get $DB, undef, $key, my $data;
2247
2248	$! ? ()
2249	: Compress::LZF::sthaw $data
2250	}
2251	}
2252
2253	sub db_put($$$) {
2254	BDB::dbreq_pri 4;
2255	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2256	}
2257
2258	#############################################################################
2259	# the server's init and main functions	3180	# the server's init and main functions
2260		3181
		3182	sub load_facedata($) {
		3183	my ($path) = @_;
		3184
		3185	# HACK to clear player env face cache, we need some signal framework
		3186	# for this (global event?)
		3187	%ext::player_env::MUSIC_FACE_CACHE = ();
		3188
		3189	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3190
		3191	warn "loading facedata from $path\n";
		3192
		3193	my $facedata;
		3194	0 < aio_load $path, $facedata
		3195	or die "$path: $!";
		3196
		3197	$facedata = Coro::Storable::thaw $facedata;
		3198
		3199	$facedata->{version} == 2
		3200	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3201
		3202	# patch in the exptable
		3203	$facedata->{resource}{"res/exp_table"} = {
		3204	type => FT_RSRC,
		3205	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3206	};
		3207	cf::cede_to_tick;
		3208
		3209	{
		3210	my $faces = $facedata->{faceinfo};
		3211
		3212	while (my ($face, $info) = each %$faces) {
		3213	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3214
		3215	cf::face::set_visibility $idx, $info->{visibility};
		3216	cf::face::set_magicmap $idx, $info->{magicmap};
		3217	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3218	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3219
		3220	cf::cede_to_tick;
		3221	}
		3222
		3223	while (my ($face, $info) = each %$faces) {
		3224	next unless $info->{smooth};
		3225
		3226	my $idx = cf::face::find $face
		3227	or next;
		3228
		3229	if (my $smooth = cf::face::find $info->{smooth}) {
		3230	cf::face::set_smooth $idx, $smooth;
		3231	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3232	} else {
		3233	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3234	}
		3235
		3236	cf::cede_to_tick;
		3237	}
		3238	}
		3239
		3240	{
		3241	my $anims = $facedata->{animinfo};
		3242
		3243	while (my ($anim, $info) = each %$anims) {
		3244	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3245	cf::cede_to_tick;
		3246	}
		3247
		3248	cf::anim::invalidate_all; # d'oh
		3249	}
		3250
		3251	{
		3252	# TODO: for gcfclient pleasure, we should give resources
		3253	# that gcfclient doesn't grok a >10000 face index.
		3254	my $res = $facedata->{resource};
		3255
		3256	while (my ($name, $info) = each %$res) {
		3257	if (defined $info->{type}) {
		3258	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3259	my $data;
		3260
		3261	if ($info->{type} & 1) {
		3262	# prepend meta info
		3263
		3264	my $meta = $enc->encode ({
		3265	name => $name,
		3266	%{ $info->{meta} || {} },
		3267	});
		3268
		3269	$data = pack "(w/a*)*", $meta, $info->{data};
		3270	} else {
		3271	$data = $info->{data};
		3272	}
		3273
		3274	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3275	cf::face::set_type $idx, $info->{type};
		3276	} else {
		3277	$RESOURCE{$name} = $info;
		3278	}
		3279
		3280	cf::cede_to_tick;
		3281	}
		3282	}
		3283
		3284	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3285
		3286	1
		3287	}
		3288
		3289	cf::global->attach (on_resource_update => sub {
		3290	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3291	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3292
		3293	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3294	my $sound = $soundconf->{compat}[$_]
		3295	or next;
		3296
		3297	my $face = cf::face::find "sound/$sound->[1]";
		3298	cf::sound::set $sound->[0] => $face;
		3299	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3300	}
		3301
		3302	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3303	my $face = cf::face::find "sound/$v";
		3304	cf::sound::set $k => $face;
		3305	}
		3306	}
		3307	});
		3308
		3309	register_exticmd fx_want => sub {
		3310	my ($ns, $want) = @_;
		3311
		3312	while (my ($k, $v) = each %$want) {
		3313	$ns->fx_want ($k, $v);
		3314	}
		3315	};
		3316
2261	sub load_resources {	3317	sub load_resource_file($) {
2262	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3318	my $guard = lock_acquire "load_resource_file";
		3319
		3320	my $status = load_resource_file_ $_[0];
		3321	get_slot 0.1, 100;
		3322	cf::arch::commit_load;
		3323
		3324	$status
		3325	}
		3326
		3327	sub reload_regions {
		3328	# HACK to clear player env face cache, we need some signal framework
		3329	# for this (global event?)
		3330	%ext::player_env::MUSIC_FACE_CACHE = ();
		3331
		3332	load_resource_file "$MAPDIR/regions"
2263	or die "unable to load regions file\n";#d#	3333	or die "unable to load regions file\n";
2264	}
2265		3334
2266	sub cfg_load {	3335	for (cf::region::list) {
		3336	$_->{match} = qr/$_->{match}/
		3337	if exists $_->{match};
		3338	}
		3339	}
		3340
		3341	sub reload_facedata {
		3342	load_facedata "$DATADIR/facedata"
		3343	or die "unable to load facedata\n";
		3344	}
		3345
		3346	sub reload_archetypes {
		3347	load_resource_file "$DATADIR/archetypes"
		3348	or die "unable to load archetypes\n";
		3349	}
		3350
		3351	sub reload_treasures {
		3352	load_resource_file "$DATADIR/treasures"
		3353	or die "unable to load treasurelists\n";
		3354	}
		3355
		3356	sub reload_resources {
		3357	warn "reloading resource files...\n";
		3358
		3359	reload_facedata;
		3360	reload_archetypes;
		3361	reload_regions;
		3362	reload_treasures;
		3363
		3364	warn "finished reloading resource files\n";
		3365	}
		3366
		3367	sub reload_config {
2267	open my $fh, "<:utf8", cf::confdir . "/config"	3368	open my $fh, "<:utf8", "$CONFDIR/config"
2268	or return;	3369	or return;
2269		3370
2270	local $/;	3371	local $/;
2271	*CFG = YAML::Syck::Load <$fh>;	3372	*CFG = YAML::Load <$fh>;
2272		3373
2273	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3374	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2274		3375
2275	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3376	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2276	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3377	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2282	};	3383	};
2283	warn $@ if $@;	3384	warn $@ if $@;
2284	}	3385	}
2285	}	3386	}
2286		3387
2287	sub init {	3388	sub pidfile() {
2288	load_resources;	3389	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3390	or die "$PIDFILE: $!";
		3391	flock $fh, &Fcntl::LOCK_EX
		3392	or die "$PIDFILE: flock: $!";
		3393	$fh
		3394	}
		3395
		3396	# make sure only one server instance is running at any one time
		3397	sub atomic {
		3398	my $fh = pidfile;
		3399
		3400	my $pid = <$fh>;
		3401	kill 9, $pid if $pid > 0;
		3402
		3403	seek $fh, 0, 0;
		3404	print $fh $$;
		3405	}
		3406
		3407	sub main_loop {
		3408	warn "EV::loop starting\n";
		3409	if (1) {
		3410	EV::loop;
		3411	}
		3412	warn "EV::loop returned\n";
		3413	goto &main_loop unless $REALLY_UNLOOP;
2289	}	3414	}
2290		3415
2291	sub main {	3416	sub main {
		3417	cf::init_globals; # initialise logging
		3418
		3419	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3420	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3421	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3422	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3423
		3424	cf::init_experience;
		3425	cf::init_anim;
		3426	cf::init_attackmess;
		3427	cf::init_dynamic;
		3428
		3429	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3430
2292	# we must not ever block the main coroutine	3431	# we must not ever block the main coroutine
2293	local $Coro::idle = sub {	3432	local $Coro::idle = sub {
2294	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3433	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2295	(async {	3434	(async {
2296	Event::one_event;	3435	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3436	EV::loop EV::LOOP_ONESHOT;
2297	})->prio (Coro::PRIO_MAX);	3437	})->prio (Coro::PRIO_MAX);
2298	};	3438	};
2299		3439
2300	cfg_load;	3440	evthread_start IO::AIO::poll_fileno;
		3441
		3442	cf::sync_job {
		3443	reload_resources;
		3444	reload_config;
2301	db_init;	3445	db_init;
		3446
		3447	cf::load_settings;
		3448	cf::load_materials;
		3449	cf::init_uuid;
		3450	cf::init_signals;
		3451	cf::init_commands;
		3452	cf::init_skills;
		3453
		3454	cf::init_beforeplay;
		3455
		3456	atomic;
		3457
2302	load_extensions;	3458	load_extensions;
2303		3459
2304	$TICK_WATCHER->start;	3460	utime time, time, $RUNTIMEFILE;
2305	Event::loop;	3461
		3462	# no (long-running) fork's whatsoever before this point(!)
		3463	use POSIX ();
		3464	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3465
		3466	(pop @POST_INIT)->(0) while @POST_INIT;
		3467	};
		3468
		3469	main_loop;
2306	}	3470	}
2307		3471
2308	#############################################################################	3472	#############################################################################
2309	# initialisation and cleanup	3473	# initialisation and cleanup
2310		3474
2311	# install some emergency cleanup handlers	3475	# install some emergency cleanup handlers
2312	BEGIN {	3476	BEGIN {
		3477	our %SIGWATCHER = ();
2313	for my $signal (qw(INT HUP TERM)) {	3478	for my $signal (qw(INT HUP TERM)) {
2314	Event->signal (	3479	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2315	reentrant => 0,
2316	data => WF_AUTOCANCEL,
2317	signal => $signal,
2318	prio => 0,
2319	cb => sub {
2320	cf::cleanup "SIG$signal";	3480	cf::cleanup "SIG$signal";
2321	},
2322	);	3481	};
		3482	}
		3483	}
		3484
		3485	sub write_runtime_sync {
		3486	# first touch the runtime file to show we are still running:
		3487	# the fsync below can take a very very long time.
		3488
		3489	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3490
		3491	my $guard = cf::lock_acquire "write_runtime";
		3492
		3493	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3494	or return;
		3495
		3496	my $value = $cf::RUNTIME + 90 + 10;
		3497	# 10 is the runtime save interval, for a monotonic clock
		3498	# 60 allows for the watchdog to kill the server.
		3499
		3500	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3501	and return;
		3502
		3503	# always fsync - this file is important
		3504	aio_fsync $fh
		3505	and return;
		3506
		3507	# touch it again to show we are up-to-date
		3508	aio_utime $fh, undef, undef;
		3509
		3510	close $fh
		3511	or return;
		3512
		3513	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3514	and return;
		3515
		3516	warn "runtime file written.\n";
		3517
2323	}	3518	1
		3519	}
		3520
		3521	our $uuid_lock;
		3522	our $uuid_skip;
		3523
		3524	sub write_uuid_sync($) {
		3525	$uuid_skip ||= $_[0];
		3526
		3527	return if $uuid_lock;
		3528	local $uuid_lock = 1;
		3529
		3530	my $uuid = "$LOCALDIR/uuid";
		3531
		3532	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3533	or return;
		3534
		3535	my $value = uuid_seq uuid_cur;
		3536
		3537	unless ($value) {
		3538	warn "cowardly refusing to write zero uuid value!\n";
		3539	return;
		3540	}
		3541
		3542	my $value = uuid_str $value + $uuid_skip;
		3543	$uuid_skip = 0;
		3544
		3545	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3546	and return;
		3547
		3548	# always fsync - this file is important
		3549	aio_fsync $fh
		3550	and return;
		3551
		3552	close $fh
		3553	or return;
		3554
		3555	aio_rename "$uuid~", $uuid
		3556	and return;
		3557
		3558	warn "uuid file written ($value).\n";
		3559
		3560	1
		3561
		3562	}
		3563
		3564	sub write_uuid($$) {
		3565	my ($skip, $sync) = @_;
		3566
		3567	$sync ? write_uuid_sync $skip
		3568	: async { write_uuid_sync $skip };
2324	}	3569	}
2325		3570
2326	sub emergency_save() {	3571	sub emergency_save() {
2327	my $freeze_guard = cf::freeze_mainloop;	3572	my $freeze_guard = cf::freeze_mainloop;
2328		3573
2329	warn "enter emergency perl save\n";	3574	warn "emergency_perl_save: enter\n";
2330		3575
2331	cf::sync_job {	3576	cf::sync_job {
		3577	# this is a trade-off: we want to be very quick here, so
		3578	# save all maps without fsync, and later call a global sync
		3579	# (which in turn might be very very slow)
		3580	local $USE_FSYNC = 0;
		3581
2332	# use a peculiar iteration method to avoid tripping on perl	3582	# use a peculiar iteration method to avoid tripping on perl
2333	# refcount bugs in for. also avoids problems with players	3583	# refcount bugs in for. also avoids problems with players
2334	# and maps saved/destroyed asynchronously.	3584	# and maps saved/destroyed asynchronously.
2335	warn "begin emergency player save\n";	3585	warn "emergency_perl_save: begin player save\n";
2336	for my $login (keys %cf::PLAYER) {	3586	for my $login (keys %cf::PLAYER) {
2337	my $pl = $cf::PLAYER{$login} or next;	3587	my $pl = $cf::PLAYER{$login} or next;
2338	$pl->valid or next;	3588	$pl->valid or next;
		3589	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2339	$pl->save;	3590	$pl->save;
2340	}	3591	}
2341	warn "end emergency player save\n";	3592	warn "emergency_perl_save: end player save\n";
2342		3593
2343	warn "begin emergency map save\n";	3594	warn "emergency_perl_save: begin map save\n";
2344	for my $path (keys %cf::MAP) {	3595	for my $path (keys %cf::MAP) {
2345	my $map = $cf::MAP{$path} or next;	3596	my $map = $cf::MAP{$path} or next;
2346	$map->valid or next;	3597	$map->valid or next;
2347	$map->save;	3598	$map->save;
2348	}	3599	}
2349	warn "end emergency map save\n";	3600	warn "emergency_perl_save: end map save\n";
2350		3601
2351	warn "begin emergency database checkpoint\n";	3602	warn "emergency_perl_save: begin database checkpoint\n";
2352	BDB::db_env_txn_checkpoint $DB_ENV;	3603	BDB::db_env_txn_checkpoint $DB_ENV;
2353	warn "end emergency database checkpoint\n";	3604	warn "emergency_perl_save: end database checkpoint\n";
		3605
		3606	warn "emergency_perl_save: begin write uuid\n";
		3607	write_uuid_sync 1;
		3608	warn "emergency_perl_save: end write uuid\n";
2354	};	3609	};
2355		3610
		3611	warn "emergency_perl_save: starting sync()\n";
		3612	IO::AIO::aio_sync sub {
		3613	warn "emergency_perl_save: finished sync()\n";
		3614	};
		3615
2356	warn "leave emergency perl save\n";	3616	warn "emergency_perl_save: leave\n";
2357	}	3617	}
2358		3618
2359	sub post_cleanup {	3619	sub post_cleanup {
2360	my ($make_core) = @_;	3620	my ($make_core) = @_;
2361		3621
2362	warn Carp::longmess "post_cleanup backtrace"	3622	warn Carp::longmess "post_cleanup backtrace"
2363	if $make_core;	3623	if $make_core;
2364	}
2365		3624
		3625	my $fh = pidfile;
		3626	unlink $PIDFILE if <$fh> == $$;
		3627	}
		3628
		3629	# a safer delete_package, copied from Symbol
		3630	sub clear_package($) {
		3631	my $pkg = shift;
		3632
		3633	# expand to full symbol table name if needed
		3634	unless ($pkg =~ /^main::.*::$/) {
		3635	$pkg = "main$pkg" if $pkg =~ /^::/;
		3636	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3637	$pkg .= '::' unless $pkg =~ /::$/;
		3638	}
		3639
		3640	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3641	my $stem_symtab = *{$stem}{HASH};
		3642
		3643	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3644	or return;
		3645
		3646	# clear all symbols
		3647	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3648	for my $name (keys %$leaf_symtab) {
		3649	_gv_clear *{"$pkg$name"};
		3650	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3651	}
		3652	warn "cleared package $pkg\n";#d#
		3653	}
		3654
2366	sub reload() {	3655	sub do_reload_perl() {
2367	# can/must only be called in main	3656	# can/must only be called in main
2368	if ($Coro::current != $Coro::main) {	3657	if ($Coro::current != $Coro::main) {
2369	warn "can only reload from main coroutine";	3658	warn "can only reload from main coroutine";
2370	return;	3659	return;
2371	}	3660	}
2372		3661
		3662	return if $RELOAD++;
		3663
		3664	my $t1 = EV::time;
		3665
		3666	while ($RELOAD) {
2373	warn "reloading...";	3667	warn "reloading...";
2374		3668
2375	warn "entering sync_job";	3669	warn "entering sync_job";
2376		3670
2377	cf::sync_job {	3671	cf::sync_job {
2378	cf::write_runtime; # external watchdog should not bark	3672	cf::write_runtime_sync; # external watchdog should not bark
2379	cf::emergency_save;	3673	cf::emergency_save;
2380	cf::write_runtime; # external watchdog should not bark	3674	cf::write_runtime_sync; # external watchdog should not bark
2381		3675
2382	warn "syncing database to disk";	3676	warn "syncing database to disk";
2383	BDB::db_env_txn_checkpoint $DB_ENV;	3677	BDB::db_env_txn_checkpoint $DB_ENV;
2384		3678
2385	# if anything goes wrong in here, we should simply crash as we already saved	3679	# if anything goes wrong in here, we should simply crash as we already saved
2386		3680
2387	warn "cancelling all WF_AUTOCANCEL watchers";
2388	for (Event::all_watchers) {
2389	$_->cancel if $_->data & WF_AUTOCANCEL;
2390	}
2391
2392	warn "flushing outstanding aio requests";	3681	warn "flushing outstanding aio requests";
2393	for (;;) {
2394	BDB::flush;
2395	IO::AIO::flush;
2396	Coro::cede;
2397	last unless IO::AIO::nreqs || BDB::nreqs;	3682	while (IO::AIO::nreqs || BDB::nreqs) {
2398	warn "iterate...";	3683	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2399	}
2400
2401	warn "cancelling all extension coros";
2402	$_->cancel for values %EXT_CORO;
2403	%EXT_CORO = ();
2404
2405	warn "removing commands";
2406	%COMMAND = ();
2407
2408	warn "removing ext commands";
2409	%EXTCMD = ();
2410
2411	warn "unloading/nuking all extensions";
2412	for my $pkg (@EXTS) {
2413	warn "... unloading $pkg";
2414
2415	if (my $cb = $pkg->can ("unload")) {
2416	eval {
2417	$cb->($pkg);
2418	1
2419	} or warn "$pkg unloaded, but with errors: $@";
2420	}	3684	}
2421		3685
2422	warn "... nuking $pkg";	3686	warn "cancelling all extension coros";
2423	Symbol::delete_package $pkg;	3687	$_->cancel for values %EXT_CORO;
2424	}	3688	%EXT_CORO = ();
2425		3689
2426	warn "unloading all perl modules loaded from $LIBDIR";	3690	warn "removing commands";
2427	while (my ($k, $v) = each %INC) {	3691	%COMMAND = ();
2428	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2429		3692
		3693	warn "removing ext/exti commands";
		3694	%EXTCMD = ();
		3695	%EXTICMD = ();
		3696
		3697	warn "unloading/nuking all extensions";
		3698	for my $pkg (@EXTS) {
2430	warn "... unloading $k";	3699	warn "... unloading $pkg";
2431	delete $INC{$k};
2432		3700
2433	$k =~ s/\.pm$//;
2434	$k =~ s/\//::/g;
2435
2436	if (my $cb = $k->can ("unload_module")) {	3701	if (my $cb = $pkg->can ("unload")) {
		3702	eval {
2437	$cb->();	3703	$cb->($pkg);
		3704	1
		3705	} or warn "$pkg unloaded, but with errors: $@";
		3706	}
		3707
		3708	warn "... clearing $pkg";
		3709	clear_package $pkg;
2438	}	3710	}
2439		3711
2440	Symbol::delete_package $k;	3712	warn "unloading all perl modules loaded from $LIBDIR";
		3713	while (my ($k, $v) = each %INC) {
		3714	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3715
		3716	warn "... unloading $k";
		3717	delete $INC{$k};
		3718
		3719	$k =~ s/\.pm$//;
		3720	$k =~ s/\//::/g;
		3721
		3722	if (my $cb = $k->can ("unload_module")) {
		3723	$cb->();
		3724	}
		3725
		3726	clear_package $k;
2441	}	3727	}
2442		3728
2443	warn "getting rid of safe::, as good as possible";	3729	warn "getting rid of safe::, as good as possible";
2444	Symbol::delete_package "safe::$_"	3730	clear_package "safe::$_"
2445	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3731	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2446		3732
2447	warn "unloading cf.pm \"a bit\"";	3733	warn "unloading cf.pm \"a bit\"";
2448	delete $INC{"cf.pm"};	3734	delete $INC{"cf.pm"};
		3735	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2449		3736
2450	# don't, removes xs symbols, too,	3737	# don't, removes xs symbols, too,
2451	# and global variables created in xs	3738	# and global variables created in xs
2452	#Symbol::delete_package __PACKAGE__;	3739	#clear_package __PACKAGE__;
2453		3740
2454	warn "unload completed, starting to reload now";	3741	warn "unload completed, starting to reload now";
2455		3742
2456	warn "reloading cf.pm";	3743	warn "reloading cf.pm";
2457	require cf;	3744	require cf;
2458	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3745	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2459		3746
2460	warn "loading config and database again";	3747	warn "loading config and database again";
2461	cf::cfg_load;	3748	cf::reload_config;
2462		3749
2463	warn "loading extensions";	3750	warn "loading extensions";
2464	cf::load_extensions;	3751	cf::load_extensions;
2465		3752
		3753	if ($REATTACH_ON_RELOAD) {
2466	warn "reattaching attachments to objects/players";	3754	warn "reattaching attachments to objects/players";
2467	_global_reattach;	3755	_global_reattach; # objects, sockets
2468	warn "reattaching attachments to maps";	3756	warn "reattaching attachments to maps";
2469	reattach $_ for values %MAP;	3757	reattach $_ for values %MAP;
		3758	warn "reattaching attachments to players";
		3759	reattach $_ for values %PLAYER;
		3760	}
2470		3761
2471	warn "loading reloadable resources";	3762	warn "running post_init jobs";
2472	load_resources;	3763	(pop @POST_INIT)->(1) while @POST_INIT;
2473		3764
2474	warn "leaving sync_job";	3765	warn "leaving sync_job";
2475		3766
2476	1	3767	1
2477	} or do {	3768	} or do {
2478	warn $@;	3769	warn $@;
2479	warn "error while reloading, exiting.";	3770	cf::cleanup "error while reloading, exiting.";
2480	exit 1;	3771	};
		3772
		3773	warn "reloaded";
		3774	--$RELOAD;
		3775	}
		3776
		3777	$t1 = EV::time - $t1;
		3778	warn "reload completed in ${t1}s\n";
		3779	};
		3780
		3781	our $RELOAD_WATCHER; # used only during reload
		3782
		3783	sub reload_perl() {
		3784	# doing reload synchronously and two reloads happen back-to-back,
		3785	# coro crashes during coro_state_free->destroy here.
		3786
		3787	$RELOAD_WATCHER ||= cf::async {
		3788	Coro::AIO::aio_wait cache_extensions;
		3789
		3790	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3791	do_reload_perl;
		3792	undef $RELOAD_WATCHER;
		3793	};
2481	};	3794	};
2482		3795	}
2483	warn "reloaded";
2484	};
2485
2486	our $RELOAD_WATCHER; # used only during reload
2487		3796
2488	register_command "reload" => sub {	3797	register_command "reload" => sub {
2489	my ($who, $arg) = @_;	3798	my ($who, $arg) = @_;
2490		3799
2491	if ($who->flag (FLAG_WIZ)) {	3800	if ($who->flag (FLAG_WIZ)) {
2492	$who->message ("reloading server.");	3801	$who->message ("reloading server.");
2493		3802	async {
2494	# doing reload synchronously and two reloads happen back-to-back,	3803	$Coro::current->{desc} = "perl_reload";
2495	# coro crashes during coro_state_free->destroy here.
2496
2497	$RELOAD_WATCHER ||= Event->timer (
2498	reentrant => 0,
2499	after => 0,
2500	data => WF_AUTOCANCEL,
2501	cb => sub {
2502	reload;	3804	reload_perl;
2503	undef $RELOAD_WATCHER;
2504	},
2505	);	3805	};
2506	}	3806	}
2507	};	3807	};
2508		3808
2509	unshift @INC, $LIBDIR;	3809	unshift @INC, $LIBDIR;
2510		3810
2511	my $bug_warning = 0;	3811	my $bug_warning = 0;
2512		3812
2513	$TICK_WATCHER = Event->timer (	3813	our @WAIT_FOR_TICK;
2514	reentrant => 0,	3814	our @WAIT_FOR_TICK_BEGIN;
2515	parked => 1,	3815
2516	prio => 0,	3816	sub wait_for_tick {
2517	at => $NEXT_TICK || $TICK,	3817	return if tick_inhibit || $Coro::current == $Coro::main;
2518	data => WF_AUTOCANCEL,	3818
2519	cb => sub {	3819	my $signal = new Coro::Signal;
		3820	push @WAIT_FOR_TICK, $signal;
		3821	$signal->wait;
		3822	}
		3823
		3824	sub wait_for_tick_begin {
		3825	return if tick_inhibit || $Coro::current == $Coro::main;
		3826
		3827	my $signal = new Coro::Signal;
		3828	push @WAIT_FOR_TICK_BEGIN, $signal;
		3829	$signal->wait;
		3830	}
		3831
		3832	sub tick {
2520	if ($Coro::current != $Coro::main) {	3833	if ($Coro::current != $Coro::main) {
2521	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3834	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2522	unless ++$bug_warning > 10;	3835	unless ++$bug_warning > 10;
2523	return;	3836	return;
2524	}	3837	}
2525		3838
2526	$NOW = Event::time;
2527
2528	cf::server_tick; # one server iteration	3839	cf::server_tick; # one server iteration
2529	$RUNTIME += $TICK;
2530	$NEXT_TICK += $TICK;
2531		3840
2532	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3841	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2533	$NEXT_RUNTIME_WRITE = $NOW + 10;	3842	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2534	Coro::async_pool {	3843	Coro::async_pool {
		3844	$Coro::current->{desc} = "runtime saver";
2535	write_runtime	3845	write_runtime_sync
2536	or warn "ERROR: unable to write runtime file: $!";	3846	or warn "ERROR: unable to write runtime file: $!";
2537	};
2538	}	3847	};
2539
2540
2541	$WAIT_FOR_TICK->broadcast;
2542	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2543
2544	# my $AFTER = Event::time;
2545	# warn $AFTER - $NOW;#d#
2546
2547	# if we are delayed by four ticks or more, skip them all
2548	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2549
2550	$TICK_WATCHER->at ($NEXT_TICK);
2551	$TICK_WATCHER->start;
2552	},	3848	}
2553	);	3849
		3850	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3851	$sig->send;
		3852	}
		3853	while (my $sig = shift @WAIT_FOR_TICK) {
		3854	$sig->send;
		3855	}
		3856
		3857	$LOAD = ($NOW - $TICK_START) / $TICK;
		3858	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3859
		3860	if (0) {
		3861	if ($NEXT_TICK) {
		3862	my $jitter = $TICK_START - $NEXT_TICK;
		3863	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3864	warn "jitter $JITTER\n";#d#
		3865	}
		3866	}
		3867	}
2554		3868
2555	{	3869	{
2556	BDB::max_poll_time $TICK * 0.1;	3870	# configure BDB
2557	$BDB_POLL_WATCHER = Event->io (	3871
2558	reentrant => 0,
2559	fd => BDB::poll_fileno,
2560	poll => 'r',
2561	prio => 0,
2562	data => WF_AUTOCANCEL,
2563	cb => \&BDB::poll_cb,
2564	);
2565	BDB::min_parallel 8;	3872	BDB::min_parallel 8;
2566		3873	BDB::max_poll_reqs $TICK * 0.1;
2567	BDB::set_sync_prepare {	3874	$AnyEvent::BDB::WATCHER->priority (1);
2568	my $status;
2569	my $current = $Coro::current;
2570	(
2571	sub {
2572	$status = $!;
2573	$current->ready; undef $current;
2574	},
2575	sub {
2576	Coro::schedule while defined $current;
2577	$! = $status;
2578	},
2579	)
2580	};
2581		3875
2582	unless ($DB_ENV) {	3876	unless ($DB_ENV) {
2583	$DB_ENV = BDB::db_env_create;	3877	$DB_ENV = BDB::db_env_create;
		3878	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3879	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3880	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3881	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3882	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2584		3883
2585	cf::sync_job {	3884	cf::sync_job {
2586	eval {	3885	eval {
2587	BDB::db_env_open	3886	BDB::db_env_open
2588	$DB_ENV,	3887	$DB_ENV,
2589	$BDB_ENV_DIR,	3888	$BDBDIR,
2590	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3889	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2591	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3890	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2592	0666;	3891	0666;
2593		3892
2594	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3893	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2595
2596	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2597	$DB_ENV->set_lk_detect;
2598	};	3894	};
2599		3895
2600	cf::cleanup "db_env_open(db): $@" if $@;	3896	cf::cleanup "db_env_open(db): $@" if $@;
2601	};	3897	};
2602	}	3898	}
		3899
		3900	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3901	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3902	};
		3903	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3904	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3905	};
		3906	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3907	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3908	};
2603	}	3909	}
2604		3910
2605	{	3911	{
		3912	# configure IO::AIO
		3913
2606	IO::AIO::min_parallel 8;	3914	IO::AIO::min_parallel 8;
2607
2608	undef $Coro::AIO::WATCHER;
2609	IO::AIO::max_poll_time $TICK * 0.1;	3915	IO::AIO::max_poll_time $TICK * 0.1;
2610	$AIO_POLL_WATCHER = Event->io (	3916	undef $AnyEvent::AIO::WATCHER;
2611	reentrant => 0,
2612	data => WF_AUTOCANCEL,
2613	fd => IO::AIO::poll_fileno,
2614	poll => 'r',
2615	prio => 6,
2616	cb => \&IO::AIO::poll_cb,
2617	);
2618	}	3917	}
		3918
		3919	my $_log_backtrace;
		3920
		3921	sub _log_backtrace {
		3922	my ($msg, @addr) = @_;
		3923
		3924	$msg =~ s/\n//;
		3925
		3926	# limit the # of concurrent backtraces
		3927	if ($_log_backtrace < 2) {
		3928	++$_log_backtrace;
		3929	my $perl_bt = Carp::longmess $msg;
		3930	async {
		3931	$Coro::current->{desc} = "abt $msg";
		3932
		3933	my @bt = fork_call {
		3934	@addr = map { sprintf "%x", $_ } @addr;
		3935	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3936	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3937	or die "addr2line: $!";
		3938
		3939	my @funcs;
		3940	my @res = <$fh>;
		3941	chomp for @res;
		3942	while (@res) {
		3943	my ($func, $line) = splice @res, 0, 2, ();
		3944	push @funcs, "[$func] $line";
		3945	}
		3946
		3947	@funcs
		3948	};
		3949
		3950	LOG llevInfo, "[ABT] $perl_bt\n";
		3951	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3952	LOG llevInfo, "[ABT] $_\n" for @bt;
		3953	--$_log_backtrace;
		3954	};
		3955	} else {
		3956	LOG llevInfo, "[ABT] $msg\n";
		3957	LOG llevInfo, "[ABT] [suppressed]\n";
		3958	}
		3959	}
		3960
		3961	# load additional modules
		3962	require "cf/$_.pm" for @EXTRA_MODULES;
2619		3963
2620	END { cf::emergency_save }	3964	END { cf::emergency_save }
2621		3965
2622	1	3966	1
2623		3967

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