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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.209 by root, Mon Feb 12 01:25:55 2007 UTC vs.
Revision 1.477 by root, Wed Sep 2 22:52:36 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";
54	our $WRITE_RUNTIME_WATCHER;	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(!)
		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	}
278	$WRITE_RUNTIME_WATCHER->start;	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($$) {
		386	my ($interval, $cb) = @_;
		387
		388	my $start = rand List::Util::min 180, $interval;
		389
		390	EV::periodic $start, $interval, 0, $cb
		391	}
		392
		393	=item cf::get_slot $time[, $priority[, $name]]
		394
		395	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		396	This call blocks and returns only when you have at least C<$time> seconds
		397	of cpu time till the next tick. The slot is only valid till the next cede.
		398
		399	The optional C<$name> can be used to identify the job to run. It might be
		400	used for statistical purposes and should identify the same time-class.
		401
		402	Useful for short background jobs.
		403
		404	=cut
		405
		406	our @SLOT_QUEUE;
		407	our $SLOT_QUEUE;
		408
		409	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		410	$SLOT_QUEUE = Coro::async {
		411	$Coro::current->desc ("timeslot manager");
		412
		413	my $signal = new Coro::Signal;
		414
		415	while () {
		416	next_job:
		417	my $avail = cf::till_tick;
		418	if ($avail > 0.01) {
		419	for (0 .. $#SLOT_QUEUE) {
		420	if ($SLOT_QUEUE[$_][0] < $avail) {
		421	my $job = splice @SLOT_QUEUE, $_, 1, ();
		422	$job->[2]->send;
		423	Coro::cede;
		424	goto next_job;
		425	}
		426	}
		427	}
		428
		429	if (@SLOT_QUEUE) {
		430	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		431	push @cf::WAIT_FOR_TICK, $signal;
		432	$signal->wait;
		433	} else {
		434	Coro::schedule;
		435	}
279	};	436	}
280	$WRITE_RUNTIME_WATCHER->stop;	437	};
281	$TICK_WATCHER->stop;	438
282	$guard	439	sub get_slot($;$$) {
		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	$sig->wait;
283	}	451	}
284		452
285	=item cf::async { BLOCK }	453	=item cf::async { BLOCK }
286		454
287	Currently the same as Coro::async_pool, meaning you cannot use	455	Currently the same as Coro::async_pool, meaning you cannot use
…		…
292		460
293	BEGIN { *async = \&Coro::async_pool }	461	BEGIN { *async = \&Coro::async_pool }
294		462
295	=item cf::sync_job { BLOCK }	463	=item cf::sync_job { BLOCK }
296		464
297	The design of crossfire+ requires that the main coro ($Coro::main) is	465	The design of Deliantra requires that the main coroutine ($Coro::main)
298	always able to handle events or runnable, as crossfire+ is only partly	466	is always able to handle events or runnable, as Deliantra is only
299	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	467	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		468	acceptable.
300		469
301	If it must be done, put the blocking parts into C<sync_job>. This will run	470	If it must be done, put the blocking parts into C<sync_job>. This will run
302	the given BLOCK in another coroutine while waiting for the result. The	471	the given BLOCK in another coroutine while waiting for the result. The
303	server will be frozen during this time, so the block should either finish	472	server will be frozen during this time, so the block should either finish
304	fast or be very important.	473	fast or be very important.
…		…
307		476
308	sub sync_job(&) {	477	sub sync_job(&) {
309	my ($job) = @_;	478	my ($job) = @_;
310		479
311	if ($Coro::current == $Coro::main) {	480	if ($Coro::current == $Coro::main) {
		481	my $time = EV::time;
		482
312	# this is the main coro, too bad, we have to block	483	# this is the main coro, too bad, we have to block
313	# till the operation succeeds, freezing the server :/	484	# till the operation succeeds, freezing the server :/
314		485
315	# TODO: use suspend/resume instead	486	LOG llevError, Carp::longmess "sync job";#d#
316	# (but this is cancel-safe)	487
317	my $freeze_guard = freeze_mainloop;	488	my $freeze_guard = freeze_mainloop;
318		489
319	my $busy = 1;	490	my $busy = 1;
320	my @res;	491	my @res;
321		492
322	(async {	493	(async {
		494	$Coro::current->desc ("sync job coro");
323	@res = eval { $job->() };	495	@res = eval { $job->() };
324	warn $@ if $@;	496	warn $@ if $@;
325	undef $busy;	497	undef $busy;
326	})->prio (Coro::PRIO_MAX);	498	})->prio (Coro::PRIO_MAX);
327		499
328	while ($busy) {	500	while ($busy) {
329	Coro::cede or Event::one_event;	501	if (Coro::nready) {
		502	Coro::cede_notself;
		503	} else {
		504	EV::loop EV::LOOP_ONESHOT;
330	}	505	}
		506	}
		507
		508	my $time = EV::time - $time;
		509
		510	$TICK_START += $time; # do not account sync jobs to server load
331		511
332	wantarray ? @res : $res[0]	512	wantarray ? @res : $res[0]
333	} else {	513	} else {
334	# we are in another coroutine, how wonderful, everything just works	514	# we are in another coroutine, how wonderful, everything just works
335		515
…		…
355	$EXT_CORO{$coro+0} = $coro;	535	$EXT_CORO{$coro+0} = $coro;
356		536
357	$coro	537	$coro
358	}	538	}
359		539
360	sub write_runtime {	540	=item fork_call { }, $args
361	my $runtime = cf::localdir . "/runtime";
362		541
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	542	Executes the given code block with the given arguments in a seperate
364	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.
365		546
366	my $value = $cf::RUNTIME + 90 + 10;	547	=cut
367	# 10 is the runtime save interval, for a monotonic clock
368	# 60 allows for the watchdog to kill the server.
369		548
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	549	sub fork_call(&@) {
371	and return;	550	my ($cb, @args) = @_;
372		551
373	# always fsync - this file is important	552	# we seemingly have to make a local copy of the whole thing,
374	aio_fsync $fh	553	# otherwise perl prematurely frees the stuff :/
375	and return;	554	# TODO: investigate and fix (likely this will be rather laborious)
376		555
377	close $fh	556	my @res = Coro::Util::fork_eval {
378	or return;	557	reset_signals;
		558	&$cb
		559	}, @args;
379		560
380	aio_rename "$runtime~", $runtime	561	wantarray ? @res : $res[-1]
381	and return;	562	}
382		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($$) {
		633	my $key = "$_[0]/$_[1]";
		634
		635	cf::sync_job {
		636	BDB::db_get $DB, undef, $key, my $data;
		637
		638	$! ? ()
		639	: $data
383	1	640	}
		641	}
		642
		643	sub db_put($$$) {
		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 });
384	}	727	}
385		728
386	=back	729	=back
387		730
388	=cut	731	=cut
389		732
390	#############################################################################	733	#############################################################################
391		734
392	=head2 ATTACHABLE OBJECTS	735	=head2 ATTACHABLE OBJECTS
393		736
394	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
395	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")
396	to it. All such attachable objects support the following methods.	739	to it. All such attachable objects support the following methods.
397		740
398	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>
399	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
400	crossfire+).	743	Deliantra).
401		744
402	=over 4	745	=over 4
403		746
404	=item $attachable->attach ($attachment, key => $value...)	747	=item $attachable->attach ($attachment, key => $value...)
405		748
…		…
449	=item cf::CLASS::attachment $name, ...	792	=item cf::CLASS::attachment $name, ...
450		793
451	Register an attachment by C<$name> through which attachable objects of the	794	Register an attachment by C<$name> through which attachable objects of the
452	given CLASS can refer to this attachment.	795	given CLASS can refer to this attachment.
453		796
454	Some classes such as crossfire maps and objects can specify attachments	797	Some classes such as deliantra maps and objects can specify attachments
455	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.
456		799
457	These calls expect any number of the following handler/hook descriptions:	800	These calls expect any number of the following handler/hook descriptions:
458		801
459	=over 4	802	=over 4
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	911	$registry = $CB_TYPE[$object_type] ||= [];
569		912
570	} elsif ($type eq "subtype") {	913	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	914	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	915	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	916	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		917
575	} elsif ($type eq "package") {	918	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	919	my $pkg = shift @arg;
577		920
578	while (my ($name, $id) = each %cb_id) {	921	while (my ($name, $id) = each %cb_id) {
…		…
607	_attach $registry, $klass, @attach;	950	_attach $registry, $klass, @attach;
608	}	951	}
609		952
610	$obj->{$name} = \%arg;	953	$obj->{$name} = \%arg;
611	} else {	954	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	955	warn "object uses attachment '$name' which is not available, postponing.\n";
613	}	956	}
614		957
615	$obj->{_attachment}{$name} = undef;	958	$obj->{_attachment}{$name} = undef;
616	}	959	}
617		960
…		…
619	if (ref $_[0]) {	962	if (ref $_[0]) {
620	_object_attach @_;	963	_object_attach @_;
621	} else {	964	} else {
622	_attach shift->_attach_registry, @_;	965	_attach shift->_attach_registry, @_;
623	}	966	}
		967	_recalc_want;
624	};	968	};
625		969
626	# all those should be optimised	970	# all those should be optimised
627	sub cf::attachable::detach {	971	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	972	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	975	delete $obj->{_attachment}{$name};
632	reattach ($obj);	976	reattach ($obj);
633	} else {	977	} else {
634	Carp::croak "cannot, currently, detach class attachments";	978	Carp::croak "cannot, currently, detach class attachments";
635	}	979	}
		980	_recalc_want;
636	};	981	};
637		982
638	sub cf::attachable::attached {	983	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	984	my ($obj, $name) = @_;
640		985
…		…
655	";	1000	";
656	die if $@;	1001	die if $@;
657	}	1002	}
658		1003
659	our $override;	1004	our $override;
660	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?
661		1006
662	sub override {	1007	sub override {
663	$override = 1;	1008	$override = 1;
664	@invoke_results = ();	1009	@INVOKE_RESULTS = (@_);
665	}	1010	}
666		1011
667	sub do_invoke {	1012	sub do_invoke {
668	my $event = shift;	1013	my $event = shift;
669	my $callbacks = shift;	1014	my $callbacks = shift;
670		1015
671	@invoke_results = ();	1016	@INVOKE_RESULTS = ();
672		1017
673	local $override;	1018	local $override;
674		1019
675	for (@$callbacks) {	1020	for (@$callbacks) {
676	eval { &{$_->[1]} };	1021	eval { &{$_->[1]} };
…		…
685	}	1030	}
686		1031
687	0	1032	0
688	}	1033	}
689		1034
690	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1035	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
691		1036
692	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1037	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
693		1038
694	Generate an object-specific event with the given arguments.	1039	Generate an object-specific event with the given arguments.
695		1040
696	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
697	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
698	results (if you must, access C<@cf::invoke_results> directly).	1043	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		1044
700	=back	1045	=back
701		1046
702	=cut	1047	=cut
703		1048
704	#############################################################################	1049	#############################################################################
705	# 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, $ob2
		1092	}
706		1093
707	sub reattach {	1094	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	1095	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	1096	my ($obj) = @_;
710		1097
		1098	# no longer needed after getting rid of delete_package?
711	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
712		1100
713	my $registry = $obj->registry;	1101	my $registry = $obj->registry;
714		1102
715	@$registry = ();	1103	@$registry = ();
716		1104
…		…
731	cf::attachable->attach (	1119	cf::attachable->attach (
732	prio => -1000000,	1120	prio => -1000000,
733	on_instantiate => sub {	1121	on_instantiate => sub {
734	my ($obj, $data) = @_;	1122	my ($obj, $data) = @_;
735		1123
736	$data = from_json $data;	1124	$data = decode_json $data;
737		1125
738	for (@$data) {	1126	for (@$data) {
739	my ($name, $args) = @$_;	1127	my ($name, $args) = @$_;
740		1128
741	$obj->attach ($name, %{$args || {} });	1129	$obj->attach ($name, %{$args || {} });
…		…
757	sub object_freezer_save {	1145	sub object_freezer_save {
758	my ($filename, $rdata, $objs) = @_;	1146	my ($filename, $rdata, $objs) = @_;
759		1147
760	sync_job {	1148	sync_job {
761	if (length $$rdata) {	1149	if (length $$rdata) {
		1150	utf8::decode (my $decname = $filename);
762	warn sprintf "saving %s (%d,%d)\n",	1151	warn sprintf "saving %s (%d,%d)\n",
763	$filename, length $$rdata, scalar @$objs;	1152	$decname, length $$rdata, scalar @$objs;
764		1153
765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1154	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
766	chmod SAVE_MODE, $fh;	1155	aio_chmod $fh, SAVE_MODE;
767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1156	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
768	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	}
769	close $fh;	1161	aio_close $fh;
770		1162
771	if (@$objs) {	1163	if (@$objs) {
772	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) {
773	chmod SAVE_MODE, $fh;	1165	aio_chmod $fh, SAVE_MODE;
774	my $data = Storable::nfreeze { version => 1, objs => $objs };	1166	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
775	aio_write $fh, 0, (length $data), $data, 0;	1167	aio_write $fh, 0, (length $data), $data, 0;
776	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	}
777	close $fh;	1172	aio_close $fh;
778	aio_rename "$filename.pst~", "$filename.pst";	1173	aio_rename "$filename.pst~", "$filename.pst";
779	}	1174	}
780	} else {	1175	} else {
781	aio_unlink "$filename.pst";	1176	aio_unlink "$filename.pst";
782	}	1177	}
783		1178
784	aio_rename "$filename~", $filename;	1179	aio_rename "$filename~", $filename;
		1180
		1181	$filename =~ s%/[^/]+$%%;
		1182	aio_pathsync $filename if $cf::USE_FSYNC;
785	} else {	1183	} else {
786	warn "FATAL: $filename~: $!\n";	1184	warn "unable to save objects: $filename~: $!\n";
787	}	1185	}
788	} else {	1186	} else {
789	aio_unlink $filename;	1187	aio_unlink $filename;
790	aio_unlink "$filename.pst";	1188	aio_unlink "$filename.pst";
791	}	1189	}
792
793	#d##TODO# nuke non .map-files if exist
794	if ($filename =~ s/\.map$//) {
795	aio_unlink $filename;
796	aio_unlink "$filename.pst";
797	}
798	}	1190	};
799	}	1191	}
800		1192
801	sub object_freezer_as_string {	1193	sub object_freezer_as_string {
802	my ($rdata, $objs) = @_;	1194	my ($rdata, $objs) = @_;
803		1195
…		…
808		1200
809	sub object_thawer_load {	1201	sub object_thawer_load {
810	my ($filename) = @_;	1202	my ($filename) = @_;
811		1203
812	my ($data, $av);	1204	my ($data, $av);
813
814	#d#TODO remove .map if file does not exist
815	aio_stat $filename and $filename =~ s/\.map$//;
816		1205
817	(aio_load $filename, $data) >= 0	1206	(aio_load $filename, $data) >= 0
818	or return;	1207	or return;
819		1208
820	unless (aio_stat "$filename.pst") {	1209	unless (aio_stat "$filename.pst") {
821	(aio_load "$filename.pst", $av) >= 0	1210	(aio_load "$filename.pst", $av) >= 0
822	or return;	1211	or return;
		1212
823	$av = eval { (Storable::thaw $av)->{objs} };	1213	my $st = eval { Coro::Storable::thaw $av };
		1214	$av = $st->{objs};
824	}	1215	}
825		1216
		1217	utf8::decode (my $decname = $filename);
826	warn sprintf "loading %s (%d)\n",	1218	warn sprintf "loading %s (%d,%d)\n",
827	$filename, length $data, scalar @{$av || []};#d#	1219	$decname, length $data, scalar @{$av || []};
		1220
828	return ($data, $av);	1221	($data, $av)
829	}	1222	}
		1223
		1224	=head2 COMMAND CALLBACKS
		1225
		1226	=over 4
		1227
		1228	=cut
830		1229
831	#############################################################################	1230	#############################################################################
832	# command handling &c	1231	# command handling &c
833		1232
834	=item cf::register_command $name => \&callback($ob,$args);	1233	=item cf::register_command $name => \&callback($ob,$args);
…		…
847	push @{ $COMMAND{$name} }, [$caller, $cb];	1246	push @{ $COMMAND{$name} }, [$caller, $cb];
848	}	1247	}
849		1248
850	=item cf::register_extcmd $name => \&callback($pl,$packet);	1249	=item cf::register_extcmd $name => \&callback($pl,$packet);
851		1250
852	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.
853		1256
854	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
855	called.	1258	called.
856		1259
		1260	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1261
		1262	Register a callback for execution when the client sends an (asynchronous)
		1263	exticmd packet. Exti commands are processed by the server as soon as they
		1264	are received, i.e. out of order w.r.t. other commands. The first argument
		1265	is a client socket. Exti commands can be received anytime, even before
		1266	log-in.
		1267
		1268	If the callback returns something, it is sent back as if reply was being
		1269	called.
		1270
857	=cut	1271	=cut
858		1272
859	sub register_extcmd {	1273	sub register_extcmd {
860	my ($name, $cb) = @_;	1274	my ($name, $cb) = @_;
861		1275
862	$EXTCMD{$name} = $cb;	1276	$EXTCMD{$name} = $cb;
863	}	1277	}
		1278
		1279	sub register_exticmd {
		1280	my ($name, $cb) = @_;
		1281
		1282	$EXTICMD{$name} = $cb;
		1283	}
		1284
		1285	use File::Glob ();
864		1286
865	cf::player->attach (	1287	cf::player->attach (
866	on_command => sub {	1288	on_command => sub {
867	my ($pl, $name, $params) = @_;	1289	my ($pl, $name, $params) = @_;
868		1290
…		…
876	cf::override;	1298	cf::override;
877	},	1299	},
878	on_extcmd => sub {	1300	on_extcmd => sub {
879	my ($pl, $buf) = @_;	1301	my ($pl, $buf) = @_;
880		1302
881	my $msg = eval { from_json $buf };	1303	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
882		1304
883	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
884	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1313	if (my $cb = $EXTCMD{$type}) {
885	if (my %reply = $cb->($pl, $msg)) {	1314	@reply = $cb->($pl, @payload);
886	$pl->ext_reply ($msg->{msgid}, %reply);
887	}
888	}	1315	}
		1316
		1317	$pl->ext_reply ($reply, @reply)
		1318	if $reply;
		1319
889	} else {	1320	} else {
890	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1321	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
891	}	1322	}
892		1323
893	cf::override;	1324	cf::override;
894	},	1325	},
895	);	1326	);
896		1327
		1328	# "readahead" all extensions
897	sub load_extension {	1329	sub cache_extensions {
898	my ($path) = @_;	1330	my $grp = IO::AIO::aio_group;
899		1331
900	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1332	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
901	my $base = $1;	1333	for (grep /\.ext$/, @{$_[0]}) {
902	my $pkg = $1;	1334	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
903	$pkg =~ s/[^[:word:]]/_/g;
904	$pkg = "ext::$pkg";
905
906	warn "... loading '$path' into '$pkg'\n";
907
908	open my $fh, "<:utf8", $path
909	or die "$path: $!";
910
911	my $source =
912	"package $pkg; use strict; use utf8;\n"
913	. "#line 1 \"$path\"\n{\n"
914	. (do { local $/; <$fh> })
915	. "\n};\n1";
916
917	unless (eval $source) {
918	my $msg = $@ ? "$path: $@\n"
919	: "extension disabled.\n";
920	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
921	warn $@;
922	warn "mandatory extension failed to load, exiting.\n";
923	exit 1;
924	}	1335	}
925	die $@;
926	}	1336	};
927		1337
928	push @EXTS, $pkg;	1338	$grp
929	}	1339	}
930		1340
931	sub load_extensions {	1341	sub load_extensions {
		1342	cf::sync_job {
		1343	my %todo;
		1344
932	for my $ext (<$LIBDIR/*.ext>) {	1345	for my $path (<$LIBDIR/*.ext>) {
933	next unless -r $ext;	1346	next unless -r $path;
934	eval {	1347
935	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	$progress = 1;
936	1	1404	}
937	} or warn "$ext not loaded: $@";	1405
		1406	skip:
		1407	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1408	unless $progress;
		1409	}
938	}	1410	};
939	}	1411	}
940		1412
941	#############################################################################	1413	#############################################################################
942		1414
		1415	=back
		1416
943	=head2 CORE EXTENSIONS	1417	=head2 CORE EXTENSIONS
944		1418
945	Functions and methods that extend core crossfire objects.	1419	Functions and methods that extend core deliantra objects.
946		1420
947	=cut	1421	=cut
948		1422
949	package cf::player;	1423	package cf::player;
950		1424
…		…
952		1426
953	=head3 cf::player	1427	=head3 cf::player
954		1428
955	=over 4	1429	=over 4
956		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
957	=item cf::player::find $login	1445	=item cf::player::find $login
958		1446
959	Returns the given player object, loading it if necessary (might block).	1447	Returns the given player object, loading it if necessary (might block).
960		1448
961	=cut	1449	=cut
962		1450
963	sub playerdir($) {	1451	sub playerdir($) {
964	cf::localdir	1452	"$PLAYERDIR/"
965	. "/"
966	. cf::playerdir
967	. "/"
968	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1453	. (ref $_[0] ? $_[0]->ob->name : $_[0])
969	}	1454	}
970		1455
971	sub path($) {	1456	sub path($) {
972	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1457	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
973		1458
974	(playerdir $login) . "/$login.pl"	1459	(playerdir $login) . "/playerdata"
975	}	1460	}
976		1461
977	sub find_active($) {	1462	sub find_active($) {
978	$cf::PLAYER{$_[0]}	1463	$cf::PLAYER{$_[0]}
979	and $cf::PLAYER{$_[0]}->active	1464	and $cf::PLAYER{$_[0]}->active
…		…
982		1467
983	sub exists($) {	1468	sub exists($) {
984	my ($login) = @_;	1469	my ($login) = @_;
985		1470
986	$cf::PLAYER{$login}	1471	$cf::PLAYER{$login}
987	or cf::sync_job { !aio_stat path $login }	1472	or !aio_stat path $login
988	}	1473	}
989		1474
990	sub find($) {	1475	sub find($) {
991	return $cf::PLAYER{$_[0]} || do {	1476	return $cf::PLAYER{$_[0]} || do {
992	my $login = $_[0];	1477	my $login = $_[0];
993		1478
994	my $guard = cf::lock_acquire "user_find:$login";	1479	my $guard = cf::lock_acquire "user_find:$login";
995		1480
996	$cf::PLAYER{$_[0]} || do {	1481	$cf::PLAYER{$_[0]} || do {
997	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
998	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;
999	$cf::PLAYER{$login} = $pl	1497	$cf::PLAYER{$login} = $pl
1000	}	1498	}
1001	}	1499	}
1002	}	1500	}
1003		1501
…		…
1012	return if $pl->{deny_save};	1510	return if $pl->{deny_save};
1013		1511
1014	aio_mkdir playerdir $pl, 0770;	1512	aio_mkdir playerdir $pl, 0770;
1015	$pl->{last_save} = $cf::RUNTIME;	1513	$pl->{last_save} = $cf::RUNTIME;
1016		1514
		1515	cf::get_slot 0.01;
		1516
1017	$pl->save_pl ($path);	1517	$pl->save_pl ($path);
1018	Coro::cede;	1518	cf::cede_to_tick;
1019	}	1519	}
1020		1520
1021	sub new($) {	1521	sub new($) {
1022	my ($login) = @_;	1522	my ($login) = @_;
1023		1523
…		…
1029	$cf::PLAYER{$login} = $self;	1529	$cf::PLAYER{$login} = $self;
1030		1530
1031	$self	1531	$self
1032	}	1532	}
1033		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
1034	=item $pl->quit_character	1544	=item $pl->quit_character
1035		1545
1036	Nukes the player without looking back. If logged in, the connection will	1546	Nukes the player without looking back. If logged in, the connection will
1037	be destroyed. May block for a long time.	1547	be destroyed. May block for a long time.
1038		1548
1039	=cut	1549	=cut
1040		1550
1041	sub quit_character {	1551	sub quit_character {
1042	my ($pl) = @_;	1552	my ($pl) = @_;
1043		1553
		1554	my $name = $pl->ob->name;
		1555
1044	$pl->{deny_save} = 1;	1556	$pl->{deny_save} = 1;
1045	$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
1046		1558
1047	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1559	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1048	$pl->deactivate;	1560	$pl->deactivate;
		1561	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1562	$pl->ob->check_score;
1049	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1563	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1050	$pl->ns->destroy if $pl->ns;	1564	$pl->ns->destroy if $pl->ns;
1051		1565
1052	my $path = playerdir $pl;	1566	my $path = playerdir $pl;
1053	my $temp = "$path~$cf::RUNTIME~deleting~";	1567	my $temp = "$path~$cf::RUNTIME~deleting~";
1054	aio_rename $path, $temp;	1568	aio_rename $path, $temp;
1055	delete $cf::PLAYER{$pl->ob->name};	1569	delete $cf::PLAYER{$pl->ob->name};
1056	$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
1057	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;
1058	}	1592	}
1059		1593
1060	=item cf::player::list_logins	1594	=item cf::player::list_logins
1061		1595
1062	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
1063	while and may block, so not sync_job-capable, ever.	1597	while and may block, so not sync_job-capable, ever.
1064		1598
1065	=cut	1599	=cut
1066		1600
1067	sub list_logins {	1601	sub list_logins {
1068	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1602	my $dirs = aio_readdir $PLAYERDIR
1069	or return [];	1603	or return [];
1070		1604
1071	my @logins;	1605	my @logins;
1072		1606
1073	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") {
1074	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1613	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1075	aio_read $fh, 0, 512, my $buf, 0 or next;	1614	aio_read $fh, 0, 512, my $buf, 0 or next;
1076	$buf !~ /^password -------------$/m or next; # official not-valid tag	1615	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1616	}
1077		1617
1078	utf8::decode $login;	1618	utf8::decode $login;
1079	push @logins, $login;	1619	push @logins, $login;
1080	}	1620	}
1081		1621
…		…
1108	}	1648	}
1109		1649
1110	\@paths	1650	\@paths
1111	}	1651	}
1112		1652
		1653	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1654
		1655	Expand deliantra pod fragments into protocol xml.
		1656
1113	=item $player->ext_reply ($msgid, $msgtype, %msg)	1657	=item $player->ext_reply ($msgid, @msg)
1114		1658
1115	Sends an ext reply to the player.	1659	Sends an ext reply to the player.
1116		1660
1117	=cut	1661	=cut
1118		1662
1119	sub ext_reply($$$%) {	1663	sub ext_reply($$@) {
1120	my ($self, $id, %msg) = @_;	1664	my ($self, $id, @msg) = @_;
1121		1665
1122	$msg{msgid} = $id;	1666	$self->ns->ext_reply ($id, @msg)
1123
1124	$self->send ("ext " . cf::to_json \%msg);
1125	}	1667	}
1126		1668
1127	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	}
1128		1709
1129	=back	1710	=back
1130
1131		1711
1132	=head3 cf::map	1712	=head3 cf::map
1133		1713
1134	=over 4	1714	=over 4
1135		1715
…		…
1147	our $MAX_RESET = 3600;	1727	our $MAX_RESET = 3600;
1148	our $DEFAULT_RESET = 3000;	1728	our $DEFAULT_RESET = 3000;
1149		1729
1150	sub generate_random_map {	1730	sub generate_random_map {
1151	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
1152	# mit "rum" bekleckern, nicht	1735	# mit "rum" bekleckern, nicht
1153	$self->_create_random_map (	1736	$self->_create_random_map (
1154	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1737	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1155	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1738	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1156	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1739	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1190	my ($self, $merge) = @_;	1773	my ($self, $merge) = @_;
1191		1774
1192	# we have to keep some variables in memory intact	1775	# we have to keep some variables in memory intact
1193	local $self->{path};	1776	local $self->{path};
1194	local $self->{load_path};	1777	local $self->{load_path};
1195	local $self->{deny_save};
1196	local $self->{deny_reset};
1197		1778
1198	$self->SUPER::thawer_merge ($merge);	1779	$self->SUPER::thawer_merge ($merge);
1199	}	1780	}
1200		1781
1201	sub normalise {	1782	sub normalise {
…		…
1248	$self->init; # pass $1 etc.	1829	$self->init; # pass $1 etc.
1249	return $self;	1830	return $self;
1250	}	1831	}
1251	}	1832	}
1252		1833
1253	Carp::carp "unable to resolve path '$path' (base '$base').";	1834	Carp::cluck "unable to resolve path '$path' (base '$base').";
1254	()	1835	()
1255	}	1836	}
1256		1837
1257	sub init {	1838	sub init {
1258	my ($self) = @_;	1839	my ($self) = @_;
…		…
1273		1854
1274	# the original (read-only) location	1855	# the original (read-only) location
1275	sub load_path {	1856	sub load_path {
1276	my ($self) = @_;	1857	my ($self) = @_;
1277		1858
1278	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1859	"$MAPDIR/$self->{path}.map"
1279	}	1860	}
1280		1861
1281	# the temporary/swap location	1862	# the temporary/swap location
1282	sub save_path {	1863	sub save_path {
1283	my ($self) = @_;	1864	my ($self) = @_;
1284		1865
1285	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1866	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1286	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1867	"$TMPDIR/$path.map"
1287	}	1868	}
1288		1869
1289	# the unique path, undef == no special unique path	1870	# the unique path, undef == no special unique path
1290	sub uniq_path {	1871	sub uniq_path {
1291	my ($self) = @_;	1872	my ($self) = @_;
1292		1873
1293	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1874	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1294	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1875	"$UNIQUEDIR/$path"
1295	}	1876	}
1296		1877
1297	# and all this just because we cannot iterate over	1878	sub decay_objects {
1298	# all maps in C++...
1299	sub change_all_map_light {
1300	my ($change) = @_;	1879	my ($self) = @_;
1301		1880
1302	$_->change_map_light ($change)	1881	return if $self->{deny_reset};
1303	for grep $_->outdoor, values %cf::MAP;	1882
		1883	$self->do_decay_objects;
1304	}	1884	}
1305		1885
1306	sub unlink_save {	1886	sub unlink_save {
1307	my ($self) = @_;	1887	my ($self) = @_;
1308		1888
1309	utf8::encode (my $save = $self->save_path);	1889	utf8::encode (my $save = $self->save_path);
1310	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1890	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1311	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1891	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1312
1313	#d#TODO remove .map and also nuke
1314	$save =~ s/\.map// or return;#d#
1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1316	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1317	}	1892	}
1318		1893
1319	sub load_header_from($) {	1894	sub load_header_from($) {
1320	my ($self, $path) = @_;	1895	my ($self, $path) = @_;
1321		1896
1322	utf8::encode $path;	1897	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	1898	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	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;
1328		1906
1329	$self->{load_path} = $path;	1907	$self->{load_path} = $path;
1330		1908
1331	1	1909	1
1332	}	1910	}
…		…
1371	$self->load_header_orig	1949	$self->load_header_orig
1372	or return;	1950	or return;
1373	$self->prepare_orig;	1951	$self->prepare_orig;
1374	}	1952	}
1375		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
1376	1	1960	1
1377	}	1961	}
1378		1962
1379	sub find;	1963	sub find;
1380	sub find {	1964	sub find {
1381	my ($path, $origin) = @_;	1965	my ($path, $origin) = @_;
1382		1966
1383	$path = normalise $path, $origin && $origin->path;	1967	$path = normalise $path, $origin && $origin->path;
1384		1968
		1969	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1385	cf::lock_wait "map_find:$path";	1970	my $guard2 = cf::lock_acquire "map_find:$path";
1386		1971
1387	$cf::MAP{$path} || do {	1972	$cf::MAP{$path} || do {
1388	my $guard = cf::lock_acquire "map_find:$path";
1389	my $map = new_from_path cf::map $path	1973	my $map = new_from_path cf::map $path
1390	or return;	1974	or return;
1391		1975
1392	$map->{last_save} = $cf::RUNTIME;	1976	$map->{last_save} = $cf::RUNTIME;
1393		1977
1394	$map->load_header	1978	$map->load_header
1395	or return;	1979	or return;
1396		1980
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1981	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	1982	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	1983	#$cf::WAIT_FOR_TICK->wait;
		1984	undef $guard2;
		1985	undef $guard1;
1400	$map->reset;	1986	$map->reset;
1401	undef $guard;
1402	return find $path;	1987	return find $path;
1403	}	1988	}
1404		1989
1405	$cf::MAP{$path} = $map	1990	$cf::MAP{$path} = $map
1406	}	1991	}
…		…
1413	my ($self) = @_;	1998	my ($self) = @_;
1414		1999
1415	local $self->{deny_reset} = 1; # loading can take a long time	2000	local $self->{deny_reset} = 1; # loading can take a long time
1416		2001
1417	my $path = $self->{path};	2002	my $path = $self->{path};
		2003
		2004	{
1418	my $guard = cf::lock_acquire "map_load:$path";	2005	my $guard = cf::lock_acquire "map_data:$path";
1419		2006
		2007	return unless $self->valid;
1420	return if $self->in_memory != cf::MAP_SWAPPED;	2008	return unless $self->in_memory == cf::MAP_SWAPPED;
1421		2009
1422	$self->in_memory (cf::MAP_LOADING);	2010	$self->in_memory (cf::MAP_LOADING);
1423		2011
1424	$self->alloc;	2012	$self->alloc;
1425		2013
1426	$self->pre_load;	2014	$self->pre_load;
		2015	cf::cede_to_tick;
1427		2016
1428	$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)
1429	or return;	2020	or return;
1430		2021
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2022	$self->post_load_original
1432	if delete $self->{load_original};	2023	if delete $self->{load_original};
1433		2024
1434	if (my $uniq = $self->uniq_path) {	2025	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	2026	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	2027	unless (aio_stat $uniq) {
		2028	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	2029	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	2030	$self->_load_objects ($f);
		2031	$f->resolve_delayed_derefs;
		2032	}
1439	}	2033	}
1440	}	2034	}
1441		2035
1442	Coro::cede;	2036	$f->resolve_delayed_derefs;
1443		2037
		2038	cf::cede_to_tick;
1444	# now do the right thing for maps	2039	# now do the right thing for maps
1445	$self->link_multipart_objects;	2040	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;
1452	$self->set_darkness_map;
1453	$self->difficulty ($self->estimate_difficulty)	2041	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	2042	unless $self->difficulty;
1455	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;
1456	$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);
1457	}	2057	}
1458		2058
1459	$self->post_load;	2059	$self->post_load;
1460
1461	$self->in_memory (cf::MAP_IN_MEMORY);
1462	}	2060	}
1463		2061
1464	sub customise_for {	2062	sub customise_for {
1465	my ($self, $ob) = @_;	2063	my ($self, $ob) = @_;
1466		2064
1467	return find "~" . $ob->name . "/" . $self->{path}	2065	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	2066	if $self->per_player;
1469		2067
		2068	# return find "?party/" . $ob->name . "/" . $self->{path}
		2069	# if $self->per_party;
		2070
1470	$self	2071	$self
1471	}	2072	}
1472		2073
1473	# 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
1474	sub load_diag {	2075	sub load_neighbours {
1475	my ($map) = @_;	2076	my ($map) = @_;
1476		2077
1477	my @diag; # diagonal neighbours	2078	my @neigh; # diagonal neighbours
1478		2079
1479	for (0 .. 3) {	2080	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)	2081	my $neigh = $map->tile_path ($_)
1481	or next;	2082	or next;
1482	$neigh = find $neigh, $map	2083	$neigh = find $neigh, $map
1483	or next;	2084	or next;
1484	$neigh->load;	2085	$neigh->load;
1485		2086
		2087	push @neigh,
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2088	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2089	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}	2090	}
1489		2091
1490	for (@diag) {	2092	for (grep defined $_->[0], @neigh) {
		2093	my ($path, $origin) = @$_;
1491	my $neigh = find @$_	2094	my $neigh = find $path, $origin
1492	or next;	2095	or next;
1493	$neigh->load;	2096	$neigh->load;
1494	}	2097	}
1495	}	2098	}
1496		2099
…		…
1501	}	2104	}
1502		2105
1503	sub do_load_sync {	2106	sub do_load_sync {
1504	my ($map) = @_;	2107	my ($map) = @_;
1505		2108
		2109	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2110	if $Coro::current == $Coro::main;
		2111
1506	cf::sync_job { $map->load };	2112	cf::sync_job { $map->load };
1507	}	2113	}
1508		2114
1509	our %MAP_PREFETCH;	2115	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	2116	our $MAP_PREFETCHER = undef;
1511		2117
1512	sub find_async {	2118	sub find_async {
1513	my ($path, $origin) = @_;	2119	my ($path, $origin, $load) = @_;
1514		2120
1515	$path = normalise $path, $origin && $origin->{path};	2121	$path = normalise $path, $origin && $origin->{path};
1516		2122
1517	if (my $map = $cf::MAP{$path}) {	2123	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2124	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1519	}	2125	}
1520		2126
1521	undef $MAP_PREFETCH{$path};	2127	$MAP_PREFETCH{$path} |= $load;
		2128
1522	$MAP_PREFETCHER ||= cf::async {	2129	$MAP_PREFETCHER ||= cf::async {
		2130	$Coro::current->{desc} = "map prefetcher";
		2131
1523	while (%MAP_PREFETCH) {	2132	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2133	while (my ($k, $v) = each %MAP_PREFETCH) {
1525	my $map = find $path	2134	if (my $map = find $k) {
1526	or next;
1527	$map->load;	2135	$map->load if $v;
		2136	}
1528		2137
1529	delete $MAP_PREFETCH{$path};	2138	delete $MAP_PREFETCH{$k};
1530	}	2139	}
1531	}	2140	}
1532	undef $MAP_PREFETCHER;	2141	undef $MAP_PREFETCHER;
1533	};	2142	};
1534	$MAP_PREFETCHER->prio (6);	2143	$MAP_PREFETCHER->prio (6);
…		…
1537	}	2146	}
1538		2147
1539	sub save {	2148	sub save {
1540	my ($self) = @_;	2149	my ($self) = @_;
1541		2150
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;	2151	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2152
1544	$self->{last_save} = $cf::RUNTIME;	2153	$self->{last_save} = $cf::RUNTIME;
1545		2154
1546	return unless $self->dirty;	2155	return unless $self->dirty;
1547		2156
…		…
1553	return if $self->{deny_save};	2162	return if $self->{deny_save};
1554		2163
1555	local $self->{last_access} = $self->last_access;#d#	2164	local $self->{last_access} = $self->last_access;#d#
1556		2165
1557	cf::async {	2166	cf::async {
		2167	$Coro::current->{desc} = "map player save";
1558	$_->contr->save for $self->players;	2168	$_->contr->save for $self->players;
1559	};	2169	};
		2170
		2171	cf::get_slot 0.02;
1560		2172
1561	if ($uniq) {	2173	if ($uniq) {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2174	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2175	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1564	} else {	2176	} else {
…		…
1570	my ($self) = @_;	2182	my ($self) = @_;
1571		2183
1572	# save first because save cedes	2184	# save first because save cedes
1573	$self->save;	2185	$self->save;
1574		2186
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2187	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2188
1577	return if $self->players;	2189	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;	2190	return if $self->in_memory != cf::MAP_ACTIVE;
1579	return if $self->{deny_save};	2191	return if $self->{deny_save};
1580		2192
		2193	$self->in_memory (cf::MAP_SWAPPED);
		2194
		2195	$self->deactivate;
		2196	$_->clear_links_to ($self) for values %cf::MAP;
1581	$self->clear;	2197	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2198	}
1584		2199
1585	sub reset_at {	2200	sub reset_at {
1586	my ($self) = @_;	2201	my ($self) = @_;
1587		2202
1588	# TODO: safety, remove and allow resettable per-player maps	2203	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	2204	return 1e99 if $self->{deny_reset};
1591		2205
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2206	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	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;
1594		2208
…		…
1605	my ($self) = @_;	2219	my ($self) = @_;
1606		2220
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2221	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2222
1609	return if $self->players;	2223	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2224
1612	warn "resetting map ", $self->path;#d#	2225	warn "resetting map ", $self->path;
		2226
		2227	$self->in_memory (cf::MAP_SWAPPED);
		2228
		2229	# need to save uniques path
		2230	unless ($self->{deny_save}) {
		2231	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2232
		2233	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2234	if $uniq;
		2235	}
1613		2236
1614	delete $cf::MAP{$self->path};	2237	delete $cf::MAP{$self->path};
1615		2238
1616	$self->in_memory (cf::MAP_SWAPPED);	2239	$self->deactivate;
		2240	$_->clear_links_to ($self) for values %cf::MAP;
1617	$self->clear;	2241	$self->clear;
1618
1619	$_->clear_links_to ($self) for values %cf::MAP;
1620		2242
1621	$self->unlink_save;	2243	$self->unlink_save;
1622	$self->destroy;	2244	$self->destroy;
1623	}	2245	}
1624		2246
1625	my $nuke_counter = "aaaa";	2247	my $nuke_counter = "aaaa";
1626		2248
1627	sub nuke {	2249	sub nuke {
1628	my ($self) = @_;	2250	my ($self) = @_;
1629		2251
		2252	{
		2253	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2254
1630	delete $cf::MAP{$self->path};	2255	delete $cf::MAP{$self->path};
1631		2256
1632	$self->unlink_save;	2257	$self->unlink_save;
1633		2258
1634	bless $self, "cf::map";	2259	bless $self, "cf::map";
1635	delete $self->{deny_reset};	2260	delete $self->{deny_reset};
1636	$self->{deny_save} = 1;	2261	$self->{deny_save} = 1;
1637	$self->reset_timeout (1);	2262	$self->reset_timeout (1);
1638	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2263	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1639		2264
1640	$cf::MAP{$self->path} = $self;	2265	$cf::MAP{$self->path} = $self;
		2266	}
1641		2267
1642	$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	]
1643	}	2305	}
1644		2306
1645	=item cf::map::unique_maps	2307	=item cf::map::unique_maps
1646		2308
1647	Returns an arrayref of paths of all shared maps that have	2309	Returns an arrayref of paths of all shared maps that have
1648	instantiated unique items. May block.	2310	instantiated unique items. May block.
1649		2311
1650	=cut	2312	=cut
1651		2313
1652	sub unique_maps() {	2314	sub unique_maps() {
1653	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2315	[
1654	or return;	2316	map {
1655
1656	my @paths;
1657
1658	for (@$files) {
1659	utf8::decode $_;	2317	utf8::decode $_;
1660	next if /\.pst$/;	2318	s/\.map$//; # TODO future compatibility hack
1661	next unless /^$PATH_SEP/o;	2319	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1662		2320	? ()
1663	push @paths, cf::map::normalise $_;	2321	: normalise $_
		2322	} @{ aio_readdir $UNIQUEDIR or [] }
1664	}	2323	]
1665
1666	\@paths
1667	}	2324	}
1668
1669	package cf;
1670		2325
1671	=back	2326	=back
1672		2327
1673	=head3 cf::object	2328	=head3 cf::object
1674		2329
…		…
1678		2333
1679	=over 4	2334	=over 4
1680		2335
1681	=item $ob->inv_recursive	2336	=item $ob->inv_recursive
1682		2337
1683	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.
1684		2340
1685	=cut	2341	=cut
1686		2342
1687	sub inv_recursive_;	2343	sub inv_recursive_;
1688	sub inv_recursive_ {	2344	sub inv_recursive_ {
…		…
1691		2347
1692	sub inv_recursive {	2348	sub inv_recursive {
1693	inv_recursive_ inv $_[0]	2349	inv_recursive_ inv $_[0]
1694	}	2350	}
1695		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
1696	package cf;	2380	package cf;
1697		2381
1698	=back	2382	=back
1699		2383
1700	=head3 cf::object::player	2384	=head3 cf::object::player
…		…
1706	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>
1707	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
1708	dialogue with the given NPC character.	2392	dialogue with the given NPC character.
1709		2393
1710	=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	};
1711		2409
1712	# rough implementation of a future "reply" method that works	2410	# rough implementation of a future "reply" method that works
1713	# with dialog boxes.	2411	# with dialog boxes.
1714	#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
1715	sub cf::object::player::reply($$$;$) {	2413	sub cf::object::player::reply($$$;$) {
…		…
1717		2415
1718	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2416	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1719		2417
1720	if ($self->{record_replies}) {	2418	if ($self->{record_replies}) {
1721	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2419	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2420
1722	} 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 {
1723	$msg = $npc->name . " says: $msg" if $npc;	2429	$msg = $npc->name . " says: $msg" if $npc;
1724	$self->message ($msg, $flags);	2430	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2431	}
1725	}	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 (@_);
1726	}	2443	}
1727		2444
1728	=item $player_object->may ("access")	2445	=item $player_object->may ("access")
1729		2446
1730	Returns wether the given player is authorized to access resource "access"	2447	Returns wether the given player is authorized to access resource "access"
…		…
1743		2460
1744	=item $player_object->enter_link	2461	=item $player_object->enter_link
1745		2462
1746	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}>).
1747		2464
1748	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.
1749	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.
1750		2469
1751	Will never block.	2470	Will never block.
1752		2471
1753	=item $player_object->leave_link ($map, $x, $y)	2472	=item $player_object->leave_link ($map, $x, $y)
1754		2473
…		…
1777	$self->deactivate_recursive;	2496	$self->deactivate_recursive;
1778		2497
1779	return if UNIVERSAL::isa $self->map, "ext::map_link";	2498	return if UNIVERSAL::isa $self->map, "ext::map_link";
1780		2499
1781	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2500	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1782	if $self->map;	2501	if $self->map && $self->map->{path} ne "{link}";
1783		2502
1784	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2503	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1785	}	2504	}
1786		2505
1787	sub cf::object::player::leave_link {	2506	sub cf::object::player::leave_link {
1788	my ($self, $map, $x, $y) = @_;	2507	my ($self, $map, $x, $y) = @_;
		2508
		2509	return unless $self->contr->active;
1789		2510
1790	my $link_pos = delete $self->{_link_pos};	2511	my $link_pos = delete $self->{_link_pos};
1791		2512
1792	unless ($map) {	2513	unless ($map) {
1793	# restore original map position	2514	# restore original map position
…		…
1807	# use -1 or undef as default coordinates, not 0, 0	2528	# use -1 or undef as default coordinates, not 0, 0
1808	($x, $y) = ($map->enter_x, $map->enter_y)	2529	($x, $y) = ($map->enter_x, $map->enter_y)
1809	if $x <=0 && $y <= 0;	2530	if $x <=0 && $y <= 0;
1810		2531
1811	$map->load;	2532	$map->load;
1812	$map->load_diag;	2533	$map->load_neighbours;
1813		2534
1814	return unless $self->contr->active;	2535	return unless $self->contr->active;
		2536
		2537	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2538	$self->enter_map ($map, $x, $y);
		2539
		2540	# only activate afterwards, to support waiting in hooks
1815	$self->activate_recursive;	2541	$self->activate_recursive;
1816	$self->enter_map ($map, $x, $y);
1817	}	2542	}
1818		2543
1819	cf::player->attach (	2544	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1820	on_logout => sub {
1821	my ($pl) = @_;
1822		2545
1823	# abort map switching before logout	2546	Moves the player to the given map-path and coordinates by first freezing
1824	if ($pl->ob->{_link_pos}) {	2547	her, loading and preparing them map, calling the provided $check callback
1825	cf::sync_job {	2548	that has to return the map if sucecssful, and then unfreezes the player on
1826	$pl->ob->leave_link	2549	the new (success) or old (failed) map position. In either case, $done will
1827	};	2550	be called at the end of this process.
1828	}
1829	},
1830	on_login => sub {
1831	my ($pl) = @_;
1832		2551
1833	# try to abort aborted map switching on player login :)	2552	Note that $check will be called with a potentially non-loaded map, so if
1834	# should happen only on crashes	2553	it needs a loaded map it has to call C<< ->load >>.
1835	if ($pl->ob->{_link_pos}) {
1836	$pl->ob->enter_link;
1837	(async {
1838	# we need this sleep as the login has a concurrent enter_exit running
1839	# and this sleep increases chances of the player not ending up in scorn
1840	$pl->ob->reply (undef,
1841	"There was an internal problem at your last logout, "
1842	. "the server will try to bring you to your intended destination in a second.",
1843	cf::NDI_RED);
1844	Coro::Timer::sleep 1;
1845	$pl->ob->leave_link;
1846	})->prio (2);
1847	}
1848	},
1849	);
1850		2554
1851	=item $player_object->goto ($path, $x, $y)
1852
1853	=cut	2555	=cut
		2556
		2557	our $GOTOGEN;
1854		2558
1855	sub cf::object::player::goto {	2559	sub cf::object::player::goto {
1856	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;
1857		2564
1858	$self->enter_link;	2565	$self->enter_link;
1859		2566
1860	(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
1861	my $map = eval {	2589	my $map = eval {
1862	my $map = cf::map::find $path;	2590	my $map = defined $path ? cf::map::find $path : undef;
		2591
		2592	if ($map) {
1863	$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
1864	$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 $@;
1865	} or	2605	}
1866	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1867		2606
		2607	if ($gen == $self->{_goto_generation}) {
		2608	delete $self->{_goto_generation};
1868	$self->leave_link ($map, $x, $y);	2609	$self->leave_link ($map, $x, $y);
		2610	}
		2611
		2612	$done->() if $done;
1869	})->prio (1);	2613	})->prio (1);
1870	}	2614	}
1871		2615
1872	=item $player_object->enter_exit ($exit_object)	2616	=item $player_object->enter_exit ($exit_object)
1873		2617
…		…
1893	}	2637	}
1894		2638
1895	sub prepare_random_map {	2639	sub prepare_random_map {
1896	my ($exit) = @_;	2640	my ($exit) = @_;
1897		2641
1898	my $guard = cf::lock_acquire "exit_prepare:$exit";
1899
1900	# all this does is basically replace the /! path by	2642	# all this does is basically replace the /! path by
1901	# a new random map path (?random/...) with a seed	2643	# a new random map path (?random/...) with a seed
1902	# that depends on the exit object	2644	# that depends on the exit object
1903		2645
1904	my $rmp = parse_random_map_params $exit->msg;	2646	my $rmp = parse_random_map_params $exit->msg;
…		…
1906	if ($exit->map) {	2648	if ($exit->map) {
1907	$rmp->{region} = $exit->region->name;	2649	$rmp->{region} = $exit->region->name;
1908	$rmp->{origin_map} = $exit->map->path;	2650	$rmp->{origin_map} = $exit->map->path;
1909	$rmp->{origin_x} = $exit->x;	2651	$rmp->{origin_x} = $exit->x;
1910	$rmp->{origin_y} = $exit->y;	2652	$rmp->{origin_y} = $exit->y;
		2653
		2654	$exit->map->touch;
1911	}	2655	}
1912		2656
1913	$rmp->{random_seed} ||= $exit->random_seed;	2657	$rmp->{random_seed} ||= $exit->random_seed;
1914		2658
1915	my $data = cf::to_json $rmp;	2659	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1916	my $md5 = Digest::MD5::md5_hex $data;	2660	my $md5 = Digest::MD5::md5_hex $data;
1917	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2661	my $meta = "$RANDOMDIR/$md5.meta";
1918		2662
1919	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2663	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1920	aio_write $fh, 0, (length $data), $data, 0;	2664	aio_write $fh, 0, (length $data), $data, 0;
1921	undef $fh;	2665	undef $fh;
1922	aio_rename "$meta~", $meta;	2666	aio_rename "$meta~", $meta;
1923		2667
		2668	my $slaying = "?random/$md5";
		2669
		2670	if ($exit->valid) {
1924	$exit->slaying ("?random/$md5");	2671	$exit->slaying ("?random/$md5");
1925	$exit->msg (undef);	2672	$exit->msg (undef);
		2673	}
1926	}	2674	}
1927	}	2675	}
1928		2676
1929	sub cf::object::player::enter_exit {	2677	sub cf::object::player::enter_exit {
1930	my ($self, $exit) = @_;	2678	my ($self, $exit) = @_;
1931		2679
1932	return unless $self->type == cf::PLAYER;	2680	return unless $self->type == cf::PLAYER;
1933		2681
1934	if ($exit->slaying eq "/!") {
1935	#TODO: this should de-fi-ni-te-ly not be a sync-job
1936	cf::sync_job { prepare_random_map $exit };
1937	}
1938
1939	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1940	my $hp = $exit->stats->hp;
1941	my $sp = $exit->stats->sp;
1942
1943	$self->enter_link;	2682	$self->enter_link;
1944		2683
1945	(async {	2684	(async {
1946	$self->deactivate_recursive; # just to be sure	2685	$Coro::current->{desc} = "enter_exit";
		2686
1947	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
1948	$self->goto ($slaying, $hp, $sp);	2702	$self->goto ($map, $x, $y);
1949		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
1950	1;	2708	1
1951	}) {	2709	}) {
1952	$self->message ("Something went wrong deep within the crossfire server. "	2710	$self->message ("Something went wrong deep within the deliantra server. "
1953	. "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. "
1954	. "Please report this to the dungeon master!",	2712	. "Please report this to the dungeon master!",
1955	cf::NDI_UNIQUE | cf::NDI_RED);	2713	cf::NDI_UNIQUE | cf::NDI_RED);
1956		2714
1957	warn "ERROR in enter_exit: $@";	2715	warn "ERROR in enter_exit: $@";
1958	$self->leave_link;	2716	$self->leave_link;
1959	}	2717	}
1960	})->prio (1);	2718	})->prio (1);
…		…
1973		2731
1974	sub cf::client::send_drawinfo {	2732	sub cf::client::send_drawinfo {
1975	my ($self, $text, $flags) = @_;	2733	my ($self, $text, $flags) = @_;
1976		2734
1977	utf8::encode $text;	2735	utf8::encode $text;
1978	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2736	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1979	}	2737	}
1980		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	}
1981		2933
1982	=item $success = $client->query ($flags, "text", \&cb)	2934	=item $success = $client->query ($flags, "text", \&cb)
1983		2935
1984	Queues a query to the client, calling the given callback with	2936	Queues a query to the client, calling the given callback with
1985	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>,
1986	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>.
1987		2939
1988	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
1989	reliable at some point in the future.	2941	become reliable at some point in the future.
1990		2942
1991	=cut	2943	=cut
1992		2944
1993	sub cf::client::query {	2945	sub cf::client::query {
1994	my ($self, $flags, $text, $cb) = @_;	2946	my ($self, $flags, $text, $cb) = @_;
…		…
2002	utf8::encode $text;	2954	utf8::encode $text;
2003	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2955	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2004		2956
2005	$self->send_packet ($self->{query_queue}[0][0])	2957	$self->send_packet ($self->{query_queue}[0][0])
2006	if @{ $self->{query_queue} } == 1;	2958	if @{ $self->{query_queue} } == 1;
		2959
		2960	1
2007	}	2961	}
2008		2962
2009	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	},
2010	on_reply => sub {	2969	on_reply => sub {
2011	my ($ns, $msg) = @_;	2970	my ($ns, $msg) = @_;
2012		2971
2013	# this weird shuffling is so that direct followup queries	2972	# this weird shuffling is so that direct followup queries
2014	# get handled first	2973	# get handled first
…		…
2026	} else {	2985	} else {
2027	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2986	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2028	}	2987	}
2029	}	2988	}
2030	},	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	},
2031	);	3016	);
2032		3017
2033	=item $client->async (\&cb)	3018	=item $client->async (\&cb)
2034		3019
2035	Create a new coroutine, running the specified callback. The coroutine will	3020	Create a new coroutine, running the specified callback. The coroutine will
…		…
2076	our $safe = new Safe "safe";	3061	our $safe = new Safe "safe";
2077	our $safe_hole = new Safe::Hole;	3062	our $safe_hole = new Safe::Hole;
2078		3063
2079	$SIG{FPE} = 'IGNORE';	3064	$SIG{FPE} = 'IGNORE';
2080		3065
2081	$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	));
2082		3071
2083	# here we export the classes and methods available to script code	3072	# here we export the classes and methods available to script code
2084		3073
2085	=pod	3074	=pod
2086		3075
2087	The following fucntions and emthods are available within a safe environment:	3076	The following functions and methods are available within a safe environment:
2088		3077
2089	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
2090	cf::object::player player	3083	cf::object::player
2091	cf::player peaceful	3084	player
2092	cf::map trigger	3085
		3086	cf::player
		3087	peaceful
		3088
		3089	cf::map
		3090	trigger
2093		3091
2094	=cut	3092	=cut
2095		3093
2096	for (	3094	for (
2097	["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)],
2098	["cf::object::player" => qw(player)],	3098	["cf::object::player" => qw(player)],
2099	["cf::player" => qw(peaceful)],	3099	["cf::player" => qw(peaceful send_msg)],
2100	["cf::map" => qw(trigger)],	3100	["cf::map" => qw(trigger)],
2101	) {	3101	) {
2102	no strict 'refs';	3102	no strict 'refs';
2103	my ($pkg, @funs) = @$_;	3103	my ($pkg, @funs) = @$_;
2104	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3104	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2121	my ($code, %vars) = @_;	3121	my ($code, %vars) = @_;
2122		3122
2123	my $qcode = $code;	3123	my $qcode = $code;
2124	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3124	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2125	$qcode =~ s/\n/\\n/g;	3125	$qcode =~ s/\n/\\n/g;
		3126
		3127	%vars = (_dummy => 0) unless %vars;
2126		3128
2127	local $_;	3129	local $_;
2128	local @safe::cf::_safe_eval_args = values %vars;	3130	local @safe::cf::_safe_eval_args = values %vars;
2129		3131
2130	my $eval =	3132	my $eval =
…		…
2173	=back	3175	=back
2174		3176
2175	=cut	3177	=cut
2176		3178
2177	#############################################################################	3179	#############################################################################
		3180	# the server's init and main functions
2178		3181
2179	=head2 EXTENSION DATABASE SUPPORT	3182	sub load_facedata($) {
		3183	my ($path) = @_;
2180		3184
2181	Crossfire maintains a very simple database for extension use. It can	3185	# HACK to clear player env face cache, we need some signal framework
2182	currently store anything that can be serialised using Storable, which	3186	# for this (global event?)
2183	excludes objects.	3187	%ext::player_env::MUSIC_FACE_CACHE = ();
2184		3188
2185	The parameter C<$family> should best start with the name of the extension	3189	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2186	using it, it should be unique.
2187		3190
2188	=over 4	3191	warn "loading facedata from $path\n";
2189		3192
2190	=item $value = cf::db_get $family => $key	3193	my $facedata;
		3194	0 < aio_load $path, $facedata
		3195	or die "$path: $!";
2191		3196
2192	Returns a single value from the database.	3197	$facedata = Coro::Storable::thaw $facedata;
2193		3198
2194	=item cf::db_put $family => $key => $value	3199	$facedata->{version} == 2
		3200	or cf::cleanup "$path: version mismatch, cannot proceed.";
2195		3201
2196	Stores the given C<$value> in the family.	3202	# patch in the exptable
2197		3203	$facedata->{resource}{"res/exp_table"} = {
2198	=cut	3204	type => FT_RSRC,
2199		3205	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2200	our $DB;
2201
2202	unless ($DB) {
2203	$DB = BDB::db_create $DB_ENV;
2204
2205	cf::sync_job {
2206	eval {
2207	$DB->set_flags (BDB::CHKSUM);
2208
2209	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2210	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2211	cf::cleanup "db_open(db): $!" if $!;
2212	};
2213	cf::cleanup "db_open(db): $@" if $@;
2214	};	3206	};
		3207	cf::cede_to_tick;
2215		3208
2216	my $path = cf::localdir . "/database.pst";	3209	{
2217	if (stat $path) {	3210	my $faces = $facedata->{faceinfo};
2218	cf::sync_job {
2219	my $pst = Storable::retrieve $path;
2220		3211
2221	cf::db_put (board => data => $pst->{board});	3212	while (my ($face, $info) = each %$faces) {
2222	cf::db_put (guildrules => data => $pst->{guildrules});	3213	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2223	cf::db_put (rent => balance => $pst->{rent}{balance});
2224	BDB::db_env_txn_checkpoint $DB_ENV;
2225		3214
2226	unlink $path;	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;
2227	};	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
2228	}	3240	{
2229	}	3241	my $anims = $facedata->{animinfo};
2230		3242
2231	sub db_get($$) {	3243	while (my ($anim, $info) = each %$anims) {
2232	my $key = "$_[0]/$_[1]";	3244	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3245	cf::cede_to_tick;
		3246	}
2233		3247
2234	cf::sync_job {	3248	cf::anim::invalidate_all; # d'oh
2235	BDB::db_get $DB, undef, $key, my $data;	3249	}
2236		3250
2237	$! ? ()
2238	: Compress::LZF::sthaw $data
2239	}	3251	{
2240	}	3252	# TODO: for gcfclient pleasure, we should give resources
		3253	# that gcfclient doesn't grok a >10000 face index.
		3254	my $res = $facedata->{resource};
2241		3255
2242	sub db_put($$$) {	3256	while (my ($name, $info) = each %$res) {
2243	BDB::dbreq_pri 4;	3257	if (defined $info->{type}) {
2244	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };	3258	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2245	}	3259	my $data;
2246		3260
2247	#############################################################################	3261	if ($info->{type} & 1) {
2248	# the server's init and main functions	3262	# prepend meta info
2249		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
2250	sub load_resources {	3317	sub load_resource_file($) {
2251	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"
2252	or die "unable to load regions file\n";#d#	3333	or die "unable to load regions file\n";
2253	}
2254		3334
2255	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 {
2256	open my $fh, "<:utf8", cf::confdir . "/config"	3368	open my $fh, "<:utf8", "$CONFDIR/config"
2257	or return;	3369	or return;
2258		3370
2259	local $/;	3371	local $/;
2260	*CFG = YAML::Syck::Load <$fh>;	3372	*CFG = YAML::Load <$fh>;
2261		3373
2262	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3374	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2263		3375
2264	$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};
2265	$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};
…		…
2271	};	3383	};
2272	warn $@ if $@;	3384	warn $@ if $@;
2273	}	3385	}
2274	}	3386	}
2275		3387
2276	sub init {	3388	sub pidfile() {
2277	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;
2278	}	3414	}
2279		3415
2280	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
2281	# we must not ever block the main coroutine	3431	# we must not ever block the main coroutine
2282	local $Coro::idle = sub {	3432	local $Coro::idle = sub {
2283	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#
2284	(async {	3434	(async {
2285	Event::one_event;	3435	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3436	EV::loop EV::LOOP_ONESHOT;
2286	})->prio (Coro::PRIO_MAX);	3437	})->prio (Coro::PRIO_MAX);
2287	};	3438	};
2288		3439
2289	cfg_load;	3440	evthread_start IO::AIO::poll_fileno;
		3441
		3442	cf::sync_job {
		3443	reload_resources;
		3444	reload_config;
		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
2290	load_extensions;	3458	load_extensions;
2291		3459
2292	$TICK_WATCHER->start;	3460	utime time, time, $RUNTIMEFILE;
2293	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;
2294	}	3470	}
2295		3471
2296	#############################################################################	3472	#############################################################################
2297	# initialisation and cleanup	3473	# initialisation and cleanup
2298		3474
2299	# install some emergency cleanup handlers	3475	# install some emergency cleanup handlers
2300	BEGIN {	3476	BEGIN {
		3477	our %SIGWATCHER = ();
2301	for my $signal (qw(INT HUP TERM)) {	3478	for my $signal (qw(INT HUP TERM)) {
2302	Event->signal (	3479	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2303	reentrant => 0,
2304	data => WF_AUTOCANCEL,
2305	signal => $signal,
2306	prio => 0,
2307	cb => sub {
2308	cf::cleanup "SIG$signal";	3480	cf::cleanup "SIG$signal";
2309	},
2310	);	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
2311	}	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 };
2312	}	3569	}
2313		3570
2314	sub emergency_save() {	3571	sub emergency_save() {
2315	my $freeze_guard = cf::freeze_mainloop;	3572	my $freeze_guard = cf::freeze_mainloop;
2316		3573
2317	warn "enter emergency perl save\n";	3574	warn "emergency_perl_save: enter\n";
2318		3575
2319	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
2320	# use a peculiar iteration method to avoid tripping on perl	3582	# use a peculiar iteration method to avoid tripping on perl
2321	# refcount bugs in for. also avoids problems with players	3583	# refcount bugs in for. also avoids problems with players
2322	# and maps saved/destroyed asynchronously.	3584	# and maps saved/destroyed asynchronously.
2323	warn "begin emergency player save\n";	3585	warn "emergency_perl_save: begin player save\n";
2324	for my $login (keys %cf::PLAYER) {	3586	for my $login (keys %cf::PLAYER) {
2325	my $pl = $cf::PLAYER{$login} or next;	3587	my $pl = $cf::PLAYER{$login} or next;
2326	$pl->valid or next;	3588	$pl->valid or next;
		3589	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2327	$pl->save;	3590	$pl->save;
2328	}	3591	}
2329	warn "end emergency player save\n";	3592	warn "emergency_perl_save: end player save\n";
2330		3593
2331	warn "begin emergency map save\n";	3594	warn "emergency_perl_save: begin map save\n";
2332	for my $path (keys %cf::MAP) {	3595	for my $path (keys %cf::MAP) {
2333	my $map = $cf::MAP{$path} or next;	3596	my $map = $cf::MAP{$path} or next;
2334	$map->valid or next;	3597	$map->valid or next;
2335	$map->save;	3598	$map->save;
2336	}	3599	}
2337	warn "end emergency map save\n";	3600	warn "emergency_perl_save: end map save\n";
2338		3601
2339	warn "begin emergency database checkpoint\n";	3602	warn "emergency_perl_save: begin database checkpoint\n";
2340	BDB::db_env_txn_checkpoint $DB_ENV;	3603	BDB::db_env_txn_checkpoint $DB_ENV;
2341	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";
2342	};	3609	};
2343		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
2344	warn "leave emergency perl save\n";	3616	warn "emergency_perl_save: leave\n";
2345	}	3617	}
2346		3618
		3619	sub post_cleanup {
		3620	my ($make_core) = @_;
		3621
		3622	warn Carp::longmess "post_cleanup backtrace"
		3623	if $make_core;
		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 $pkg\n";#d#
		3653	}
		3654
2347	sub reload() {	3655	sub do_reload_perl() {
2348	# can/must only be called in main	3656	# can/must only be called in main
2349	if ($Coro::current != $Coro::main) {	3657	if ($Coro::current != $Coro::main) {
2350	warn "can only reload from main coroutine";	3658	warn "can only reload from main coroutine";
2351	return;	3659	return;
2352	}	3660	}
2353		3661
		3662	return if $RELOAD++;
		3663
		3664	my $t1 = EV::time;
		3665
		3666	while ($RELOAD) {
2354	warn "reloading...";	3667	warn "reloading...";
2355		3668
2356	warn "cancelling server ticker";	3669	warn "entering sync_job";
2357	$TICK_WATCHER->cancel;
2358		3670
		3671	cf::sync_job {
		3672	cf::write_runtime_sync; # external watchdog should not bark
2359	cf::emergency_save;	3673	cf::emergency_save;
		3674	cf::write_runtime_sync; # external watchdog should not bark
2360		3675
2361	eval {	3676	warn "syncing database to disk";
		3677	BDB::db_env_txn_checkpoint $DB_ENV;
		3678
2362	# 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
2363		3680
2364	warn "cancelling all WF_AUTOCANCEL watchers";
2365	for (Event::all_watchers) {
2366	$_->cancel if $_->data & WF_AUTOCANCEL;
2367	}
2368
2369	warn "syncing database to disk";
2370	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2371
2372	warn "flushing outstanding aio requests";	3681	warn "flushing outstanding aio requests";
2373	for (;;) {
2374	BDB::flush;
2375	IO::AIO::flush;
2376	Coro::cede;
2377	last unless IO::AIO::nreqs || BDB::nreqs;	3682	while (IO::AIO::nreqs || BDB::nreqs) {
2378	warn "iterate...";	3683	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2379	}
2380
2381	warn "cancelling all extension coros";
2382	$_->cancel for values %EXT_CORO;
2383	%EXT_CORO = ();
2384
2385	warn "removing commands";
2386	%COMMAND = ();
2387
2388	warn "removing ext commands";
2389	%EXTCMD = ();
2390
2391	warn "unloading/nuking all extensions";
2392	for my $pkg (@EXTS) {
2393	warn "... unloading $pkg";
2394
2395	if (my $cb = $pkg->can ("unload")) {
2396	eval {
2397	$cb->($pkg);
2398	1
2399	} or warn "$pkg unloaded, but with errors: $@";
2400	}	3684	}
2401		3685
2402	warn "... nuking $pkg";	3686	warn "cancelling all extension coros";
2403	Symbol::delete_package $pkg;	3687	$_->cancel for values %EXT_CORO;
2404	}	3688	%EXT_CORO = ();
2405		3689
2406	warn "unloading all perl modules loaded from $LIBDIR";	3690	warn "removing commands";
2407	while (my ($k, $v) = each %INC) {	3691	%COMMAND = ();
2408	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2409		3692
		3693	warn "removing ext/exti commands";
		3694	%EXTCMD = ();
		3695	%EXTICMD = ();
		3696
		3697	warn "unloading/nuking all extensions";
		3698	for my $pkg (@EXTS) {
2410	warn "... unloading $k";	3699	warn "... unloading $pkg";
2411	delete $INC{$k};
2412		3700
2413	$k =~ s/\.pm$//;
2414	$k =~ s/\//::/g;
2415
2416	if (my $cb = $k->can ("unload_module")) {	3701	if (my $cb = $pkg->can ("unload")) {
		3702	eval {
2417	$cb->();	3703	$cb->($pkg);
		3704	1
		3705	} or warn "$pkg unloaded, but with errors: $@";
		3706	}
		3707
		3708	warn "... clearing $pkg";
		3709	clear_package $pkg;
2418	}	3710	}
2419		3711
2420	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 $k;
2421	}	3727	}
2422		3728
2423	warn "getting rid of safe::, as good as possible";	3729	warn "getting rid of safe::, as good as possible";
2424	Symbol::delete_package "safe::$_"	3730	clear_package "safe::$_"
2425	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);
2426		3732
2427	warn "unloading cf.pm \"a bit\"";	3733	warn "unloading cf.pm \"a bit\"";
2428	delete $INC{"cf.pm"};	3734	delete $INC{"cf.pm"};
		3735	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2429		3736
2430	# don't, removes xs symbols, too,	3737	# don't, removes xs symbols, too,
2431	# and global variables created in xs	3738	# and global variables created in xs
2432	#Symbol::delete_package __PACKAGE__;	3739	#clear_package __PACKAGE__;
2433		3740
2434	warn "unload completed, starting to reload now";	3741	warn "unload completed, starting to reload now";
2435		3742
2436	warn "reloading cf.pm";	3743	warn "reloading cf.pm";
2437	require cf;	3744	require cf;
2438	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3745	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2439		3746
2440	warn "loading config and database again";	3747	warn "loading config and database again";
2441	cf::cfg_load;	3748	cf::reload_config;
2442		3749
2443	warn "loading extensions";	3750	warn "loading extensions";
2444	cf::load_extensions;	3751	cf::load_extensions;
2445		3752
		3753	if ($REATTACH_ON_RELOAD) {
2446	warn "reattaching attachments to objects/players";	3754	warn "reattaching attachments to objects/players";
2447	_global_reattach;	3755	_global_reattach; # objects, sockets
2448	warn "reattaching attachments to maps";	3756	warn "reattaching attachments to maps";
2449	reattach $_ for values %MAP;	3757	reattach $_ for values %MAP;
		3758	warn "reattaching attachments to players";
		3759	reattach $_ for values %PLAYER;
		3760	}
2450		3761
2451	warn "loading reloadable resources";	3762	warn "running post_init jobs";
2452	load_resources;	3763	(pop @POST_INIT)->(1) while @POST_INIT;
2453		3764
2454	warn "restarting server ticker";	3765	warn "leaving sync_job";
2455		3766
2456	$TICK_WATCHER->start;	3767	1
		3768	} or do {
		3769	warn $@;
		3770	cf::cleanup "error while reloading, exiting.";
		3771	};
		3772
		3773	warn "reloaded";
		3774	--$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 $RELOAD_WATCHER;
		3793	};
2457	};	3794	};
2458		3795	}
2459	if ($@) {
2460	warn $@;
2461	warn "error while reloading, exiting.";
2462	exit 1;
2463	}
2464
2465	warn "reloaded";
2466	};
2467
2468	our $RELOAD_WATCHER; # used only during reload
2469		3796
2470	register_command "reload" => sub {	3797	register_command "reload" => sub {
2471	my ($who, $arg) = @_;	3798	my ($who, $arg) = @_;
2472		3799
2473	if ($who->flag (FLAG_WIZ)) {	3800	if ($who->flag (FLAG_WIZ)) {
2474	$who->message ("reloading server.");	3801	$who->message ("reloading server.");
2475		3802	async {
2476	# doing reload synchronously and two reloads happen back-to-back,	3803	$Coro::current->{desc} = "perl_reload";
2477	# coro crashes during coro_state_free->destroy here.
2478
2479	$RELOAD_WATCHER ||= Event->timer (
2480	reentrant => 0,
2481	after => 0,
2482	data => WF_AUTOCANCEL,
2483	cb => sub {
2484	reload;	3804	reload_perl;
2485	undef $RELOAD_WATCHER;
2486	},
2487	);	3805	};
2488	}	3806	}
2489	};	3807	};
2490		3808
2491	unshift @INC, $LIBDIR;	3809	unshift @INC, $LIBDIR;
2492		3810
2493	my $bug_warning = 0;	3811	my $bug_warning = 0;
2494		3812
2495	$TICK_WATCHER = Event->timer (	3813	our @WAIT_FOR_TICK;
2496	reentrant => 0,	3814	our @WAIT_FOR_TICK_BEGIN;
2497	parked => 1,	3815
2498	prio => 0,	3816	sub wait_for_tick {
2499	at => $NEXT_TICK || $TICK,	3817	return if tick_inhibit || $Coro::current == $Coro::main;
2500	data => WF_AUTOCANCEL,	3818
2501	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	$signal->wait;
		3830	}
		3831
		3832	sub tick {
2502	if ($Coro::current != $Coro::main) {	3833	if ($Coro::current != $Coro::main) {
2503	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3834	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2504	unless ++$bug_warning > 10;	3835	unless ++$bug_warning > 10;
2505	return;	3836	return;
2506	}	3837	}
2507		3838
2508	$NOW = Event::time;
2509
2510	cf::server_tick; # one server iteration	3839	cf::server_tick; # one server iteration
2511	$RUNTIME += $TICK;
2512	$NEXT_TICK += $TICK;
2513		3840
2514	$WAIT_FOR_TICK->broadcast;	3841	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2515	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3842	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		3843	Coro::async_pool {
		3844	$Coro::current->{desc} = "runtime saver";
		3845	write_runtime_sync
		3846	or warn "ERROR: unable to write runtime file: $!";
		3847	};
		3848	}
2516		3849
2517	Event::sweep;	3850	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2518	Coro::cede_notself;	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#
2519		3865	}
2520	# my $AFTER = Event::time;
2521	# warn $AFTER - $NOW;#d#
2522
2523	# if we are delayed by four ticks or more, skip them all
2524	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2525
2526	$TICK_WATCHER->at ($NEXT_TICK);
2527	$TICK_WATCHER->start;
2528	},	3866	}
2529	);	3867	}
2530		3868
2531	{	3869	{
2532	BDB::max_poll_time $TICK * 0.1;	3870	# configure BDB
2533	$BDB_POLL_WATCHER = Event->io (	3871
2534	reentrant => 0,
2535	fd => BDB::poll_fileno,
2536	poll => 'r',
2537	prio => 0,
2538	data => WF_AUTOCANCEL,
2539	cb => \&BDB::poll_cb,
2540	);
2541	BDB::min_parallel 8;	3872	BDB::min_parallel 8;
2542		3873	BDB::max_poll_reqs $TICK * 0.1;
2543	BDB::set_sync_prepare {	3874	$AnyEvent::BDB::WATCHER->priority (1);
2544	my $status;
2545	my $current = $Coro::current;
2546	(
2547	sub {
2548	$status = $!;
2549	$current->ready; undef $current;
2550	},
2551	sub {
2552	Coro::schedule while defined $current;
2553	$! = $status;
2554	},
2555	)
2556	};
2557		3875
2558	unless ($DB_ENV) {	3876	unless ($DB_ENV) {
2559	$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);
2560		3883
2561	cf::sync_job {	3884	cf::sync_job {
2562	eval {	3885	eval {
2563	BDB::db_env_open	3886	BDB::db_env_open
2564	$DB_ENV,	3887	$DB_ENV,
2565	$BDB_ENV_DIR,	3888	$BDBDIR,
2566	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3889	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2567	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3890	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2568	0666;	3891	0666;
2569		3892
2570	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3893	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2571
2572	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2573	$DB_ENV->set_lk_detect;
2574	};	3894	};
2575		3895
2576	cf::cleanup "db_env_open(db): $@" if $@;	3896	cf::cleanup "db_env_open(db): $@" if $@;
2577	};	3897	};
2578	}	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	};
2579	}	3909	}
2580		3910
2581	{	3911	{
		3912	# configure IO::AIO
		3913
2582	IO::AIO::min_parallel 8;	3914	IO::AIO::min_parallel 8;
2583
2584	undef $Coro::AIO::WATCHER;
2585	IO::AIO::max_poll_time $TICK * 0.1;	3915	IO::AIO::max_poll_time $TICK * 0.1;
2586	$AIO_POLL_WATCHER = Event->io (	3916	undef $AnyEvent::AIO::WATCHER;
2587	reentrant => 0,
2588	fd => IO::AIO::poll_fileno,
2589	poll => 'r',
2590	prio => 6,
2591	data => WF_AUTOCANCEL,
2592	cb => \&IO::AIO::poll_cb,
2593	);
2594	}	3917	}
2595		3918
2596	$WRITE_RUNTIME_WATCHER = Event->timer (	3919	my $_log_backtrace;
2597	reentrant => 0,	3920
2598	data => WF_AUTOCANCEL,	3921	sub _log_backtrace {
2599	after => 1,	3922	my ($msg, @addr) = @_;
2600	interval => 10,	3923
2601	prio => 6, # keep it lowest so it acts like a watchdog	3924	$msg =~ s/\n//;
2602	cb => Coro::unblock_sub {	3925
2603	write_runtime	3926	# limit the # of concurrent backtraces
2604	or warn "ERROR: unable to write runtime file: $!";	3927	if ($_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] $msg\n";
		3957	LOG llevInfo, "[ABT] [suppressed]\n";
2605	},	3958	}
2606	);	3959	}
		3960
		3961	# load additional modules
		3962	require "cf/$_.pm" for @EXTRA_MODULES;
2607		3963
2608	END { cf::emergency_save }	3964	END { cf::emergency_save }
2609		3965
2610	1	3966	1
2611		3967

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