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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.216 by root, Thu Feb 15 14:30:21 2007 UTC vs.
Revision 1.476 by root, Wed Sep 2 16:54:20 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict qw(vars subs);
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
		31	use EV;
9	use Opcode;	32	use Opcode;
10	use Safe;	33	use Safe;
11	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
12		36
		37	use Guard ();
13	use Coro 3.5 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
20	use BDB ();	54	use BDB ();
21	use Data::Dumper;	55	use Data::Dumper;
22	use Digest::MD5;	56	use Digest::MD5;
23	use Fcntl;	57	use Fcntl;
		58	use YAML ();
24	use IO::AIO 2.32 ();	59	use IO::AIO ();
25	use YAML::Syck ();
26	use Time::HiRes;	60	use Time::HiRes;
27	use Compress::LZF;	61	use Compress::LZF;
		62	use Digest::MD5 ();
28		63
		64	AnyEvent::detect;
		65
		66	# configure various modules to our taste
		67	#
		68	$Storable::canonical = 1; # reduce rsync transfers
		69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		76
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	77	# strictly for debugging
		78	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
32		79
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	80	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		81
40	our %COMMAND = ();	82	our %COMMAND = ();
41	our %COMMAND_TIME = ();	83	our %COMMAND_TIME = ();
42		84
43	our @EXTS = (); # list of extension package names	85	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	86	our %EXTCMD = ();
		87	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	88	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	89	our %EXT_MAP = (); # pluggable maps
47		90
		91	our $RELOAD; # number of reloads so far, non-zero while in reload
48	our @EVENT;	92	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		93
51	our $TICK = MAX_TIME * 1e-6;	94	our $CONFDIR = confdir;
52	our $TICK_WATCHER;	95	our $DATADIR = datadir;
53	our $AIO_POLL_WATCHER;	96	our $LIBDIR = "$DATADIR/ext";
		97	our $PODDIR = "$DATADIR/pod";
		98	our $MAPDIR = "$DATADIR/" . mapdir;
		99	our $LOCALDIR = localdir;
		100	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		101	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		102	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		103	our $RANDOMDIR = "$LOCALDIR/random";
		104	our $BDBDIR = "$LOCALDIR/db";
		105	our $PIDFILE = "$LOCALDIR/pid";
		106	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		107
		108	our %RESOURCE;
		109
		110	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	111	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	112	our $NEXT_TICK;
56	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	113	our $USE_FSYNC = 1; # use fsync to write maps - default on
58		114
		115	our $BDB_DEADLOCK_WATCHER;
		116	our $BDB_CHECKPOINT_WATCHER;
59	our $BDB_POLL_WATCHER;	117	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	118	our $DB_ENV;
		119
		120	our @EXTRA_MODULES = qw(pod mapscript);
61		121
62	our %CFG;	122	our %CFG;
63		123
64	our $UPTIME; $UPTIME ||= time;	124	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	125	our $RUNTIME;
		126	our $NOW;
66		127
67	our %PLAYER; # all users	128	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	129	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	130	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		131
76	# used to convert map paths into valid unix filenames by replacing / by ∕	132	# used to convert map paths into valid unix filenames by replacing / by ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	133	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		134
		135	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		136	our $LOADAVG; # same thing, but with alpha-smoothing
		137	our $JITTER; # average jitter
		138	our $TICK_START; # for load detecting purposes
		139
		140	our @POST_INIT;
		141
		142	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		143	our $REALLY_UNLOOP; # never set to true, please :)
		144
79	binmode STDOUT;	145	binmode STDOUT;
80	binmode STDERR;	146	binmode STDERR;
81		147
82	# read virtual server time, if available	148	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	149	unless ($RUNTIME || !-e $RUNTIMEFILE) {
84	open my $fh, "<", cf::localdir . "/runtime"	150	open my $fh, "<", $RUNTIMEFILE
85	or die "unable to read runtime file: $!";	151	or die "unable to read $RUNTIMEFILE file: $!";
86	$RUNTIME = <$fh> + 0.;	152	$RUNTIME = <$fh> + 0.;
87	}	153	}
88		154
89	mkdir cf::localdir;	155	eval "sub TICK() { $TICK } 1" or die;
90	mkdir cf::localdir . "/" . cf::playerdir;	156
91	mkdir cf::localdir . "/" . cf::tmpdir;	157	mkdir $_
92	mkdir cf::localdir . "/" . cf::uniquedir;	158	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		159
96	our $EMERGENCY_POSITION;	160	our $EMERGENCY_POSITION;
97		161
98	sub cf::map::normalise;	162	sub cf::map::normalise;
99		163
…		…
110	=item $cf::RUNTIME	174	=item $cf::RUNTIME
111		175
112	The time this server has run, starts at 0 and is increased by $cf::TICK on	176	The time this server has run, starts at 0 and is increased by $cf::TICK on
113	every server tick.	177	every server tick.
114		178
115	=item $cf::LIBDIR	179	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		180	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		181	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116		182
117	The perl library directory, where extensions and cf-specific modules can	183	Various directories - "/etc", read-only install directory, perl-library
118	be found. It will be added to C<@INC> automatically.	184	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		185	unique-items directory, player file directory, random maps directory and
		186	database environment.
119		187
120	=item $cf::NOW	188	=item $cf::NOW
121		189
122	The time of the last (current) server tick.	190	The time of the last (current) server tick.
123		191
124	=item $cf::TICK	192	=item $cf::TICK
125		193
126	The interval between server ticks, in seconds.	194	The interval between server ticks, in seconds.
127		195
		196	=item $cf::LOADAVG
		197
		198	The current CPU load on the server (alpha-smoothed), as a value between 0
		199	(none) and 1 (overloaded), indicating how much time is spent on processing
		200	objects per tick. Healthy values are < 0.5.
		201
		202	=item $cf::LOAD
		203
		204	The raw value load value from the last tick.
		205
128	=item %cf::CFG	206	=item %cf::CFG
129		207
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	208	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	209	from wherever your confdir points to.
132		210
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	211	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		212
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	213	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	214	returns directly I<after> the tick processing (and consequently, can only wake one process
137	processing has been done. Call C<< ->wait >> on them to maximise the	215	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138	window of cpu time available, or simply to synchronise to the server tick.	216
		217	=item @cf::INVOKE_RESULTS
		218
		219	This array contains the results of the last C<invoke ()> call. When
		220	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		221	that call.
139		222
140	=back	223	=back
141		224
142	=cut	225	=cut
143		226
144	BEGIN {	227	BEGIN {
145	*CORE::GLOBAL::warn = sub {	228	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	229	my $msg = join "", @_;
147	utf8::encode $msg;
148		230
149	$msg .= "\n"	231	$msg .= "\n"
150	unless $msg =~ /\n$/;	232	unless $msg =~ /\n$/;
151		233
		234	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		235
152	LOG llevError, $msg;	236	LOG llevError, $msg;
153	};	237	};
154	}	238	}
		239
		240	$Coro::State::DIEHOOK = sub {
		241	return unless $^S eq 0; # "eq", not "=="
		242
		243	if ($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	warn Carp::longmess $_[0];
		250	Coro::terminate
		251	};
		252
		253	$SIG{__DIE__} = sub { }; #d#?
155		254
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	255	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	256	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	257	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	258	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	259	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		260	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	261	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162		262
163	# we bless all objects into (empty) derived classes to force a method lookup	263	# we bless all objects into (empty) derived classes to force a method lookup
164	# within the Safe compartment.	264	# within the Safe compartment.
165	for my $pkg (qw(	265	for my $pkg (qw(
166	cf::global cf::attachable	266	cf::global cf::attachable
167	cf::object cf::object::player	267	cf::object cf::object::player
168	cf::client cf::player	268	cf::client cf::player
169	cf::arch cf::living	269	cf::arch cf::living
		270	cf::map cf::mapspace
170	cf::map cf::party cf::region	271	cf::party cf::region
171	)) {	272	)) {
172	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	273	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	274	}
175		275
176	$Event::DIED = sub {	276	$EV::DIED = sub {
177	warn "error in event callback: @_";	277	warn "error in event callback: @_";
178	};	278	};
		279
		280	#############################################################################
179		281
180	=head2 UTILITY FUNCTIONS	282	=head2 UTILITY FUNCTIONS
181		283
182	=over 4	284	=over 4
183		285
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	304	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	305	$d
204	} || "[unable to dump $_[0]: '$@']";	306	} || "[unable to dump $_[0]: '$@']";
205	}	307	}
206		308
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	309	=item $ref = cf::decode_json $json
210		310
211	Converts a JSON string into the corresponding perl data structure.	311	Converts a JSON string into the corresponding perl data structure.
212		312
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	313	=item $json = cf::encode_json $ref
221		314
222	Converts a perl data structure into its JSON representation.	315	Converts a perl data structure into its JSON representation.
223		316
224	=cut	317	=cut
225		318
226	sub to_json($) {	319	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	320
228	JSON::Syck::Dump $_[0]	321	sub encode_json($) { $json_coder->encode ($_[0]) }
		322	sub decode_json($) { $json_coder->decode ($_[0]) }
		323
		324	=item cf::post_init { BLOCK }
		325
		326	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		327	but I<before> the server starts ticking again.
		328
		329	The cdoeblock will have a single boolean argument to indicate whether this
		330	is a reload or not.
		331
		332	=cut
		333
		334	sub post_init(&) {
		335	push @POST_INIT, shift;
229	}	336	}
230		337
231	=item cf::lock_wait $string	338	=item cf::lock_wait $string
232		339
233	Wait until the given lock is available. See cf::lock_acquire.	340	Wait until the given lock is available. See cf::lock_acquire.
234		341
235	=item my $lock = cf::lock_acquire $string	342	=item my $lock = cf::lock_acquire $string
236		343
237	Wait until the given lock is available and then acquires it and returns	344	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,	345	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	346	for example when the coroutine gets canceled), the lock is automatically
240	returned.	347	returned.
241		348
		349	Locks are *not* recursive, locking from the same coro twice results in a
		350	deadlocked coro.
		351
242	Lock names should begin with a unique identifier (for example, cf::map::find	352	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	353	uses map_find and cf::map::load uses map_load).
244		354
245	=cut	355	=item $locked = cf::lock_active $string
246		356
247	our %LOCK;	357	Return true if the lock is currently active, i.e. somebody has locked it.
		358
		359	=cut
		360
		361	our $LOCKS = new Coro::SemaphoreSet;
248		362
249	sub lock_wait($) {	363	sub lock_wait($) {
250	my ($key) = @_;	364	$LOCKS->wait ($_[0]);
251
252	# wait for lock, if any
253	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;
256	}
257	}	365	}
258		366
259	sub lock_acquire($) {	367	sub lock_acquire($) {
260	my ($key) = @_;	368	$LOCKS->guard ($_[0])
		369	}
261		370
262	# wait, to be sure we are not locked	371	sub lock_active($) {
263	lock_wait $key;	372	$LOCKS->count ($_[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	}	373	}
272		374
273	sub freeze_mainloop {	375	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	376	tick_inhibit_inc;
275		377
276	my $guard = Coro::guard {	378	&Guard::guard (\&tick_inhibit_dec);
277	$TICK_WATCHER->start;	379	}
		380
		381	=item cf::periodic $interval, $cb
		382
		383	Like EV::periodic, but randomly selects a starting point so that the actions
		384	get spread over timer.
		385
		386	=cut
		387
		388	sub periodic($$) {
		389	my ($interval, $cb) = @_;
		390
		391	my $start = rand List::Util::min 180, $interval;
		392
		393	EV::periodic $start, $interval, 0, $cb
		394	}
		395
		396	=item cf::get_slot $time[, $priority[, $name]]
		397
		398	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		399	This call blocks and returns only when you have at least C<$time> seconds
		400	of cpu time till the next tick. The slot is only valid till the next cede.
		401
		402	The optional C<$name> can be used to identify the job to run. It might be
		403	used for statistical purposes and should identify the same time-class.
		404
		405	Useful for short background jobs.
		406
		407	=cut
		408
		409	our @SLOT_QUEUE;
		410	our $SLOT_QUEUE;
		411
		412	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		413	$SLOT_QUEUE = Coro::async {
		414	$Coro::current->desc ("timeslot manager");
		415
		416	my $signal = new Coro::Signal;
		417
		418	while () {
		419	next_job:
		420	my $avail = cf::till_tick;
		421	if ($avail > 0.01) {
		422	for (0 .. $#SLOT_QUEUE) {
		423	if ($SLOT_QUEUE[$_][0] < $avail) {
		424	my $job = splice @SLOT_QUEUE, $_, 1, ();
		425	$job->[2]->send;
		426	Coro::cede;
		427	goto next_job;
		428	}
		429	}
		430	}
		431
		432	if (@SLOT_QUEUE) {
		433	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		434	push @cf::WAIT_FOR_TICK, $signal;
		435	$signal->wait;
		436	} else {
		437	Coro::schedule;
		438	}
278	};	439	}
279	$TICK_WATCHER->stop;	440	};
280	$guard	441
		442	sub get_slot($;$$) {
		443	return if tick_inhibit || $Coro::current == $Coro::main;
		444
		445	my ($time, $pri, $name) = @_;
		446
		447	$time = $TICK * .6 if $time > $TICK * .6;
		448	my $sig = new Coro::Signal;
		449
		450	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		451	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		452	$SLOT_QUEUE->ready;
		453	$sig->wait;
281	}	454	}
282		455
283	=item cf::async { BLOCK }	456	=item cf::async { BLOCK }
284		457
285	Currently the same as Coro::async_pool, meaning you cannot use	458	Currently the same as Coro::async_pool, meaning you cannot use
…		…
290		463
291	BEGIN { *async = \&Coro::async_pool }	464	BEGIN { *async = \&Coro::async_pool }
292		465
293	=item cf::sync_job { BLOCK }	466	=item cf::sync_job { BLOCK }
294		467
295	The design of crossfire+ requires that the main coro ($Coro::main) is	468	The design of Deliantra requires that the main coroutine ($Coro::main)
296	always able to handle events or runnable, as crossfire+ is only partly	469	is always able to handle events or runnable, as Deliantra is only
297	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	470	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		471	acceptable.
298		472
299	If it must be done, put the blocking parts into C<sync_job>. This will run	473	If it must be done, put the blocking parts into C<sync_job>. This will run
300	the given BLOCK in another coroutine while waiting for the result. The	474	the given BLOCK in another coroutine while waiting for the result. The
301	server will be frozen during this time, so the block should either finish	475	server will be frozen during this time, so the block should either finish
302	fast or be very important.	476	fast or be very important.
…		…
305		479
306	sub sync_job(&) {	480	sub sync_job(&) {
307	my ($job) = @_;	481	my ($job) = @_;
308		482
309	if ($Coro::current == $Coro::main) {	483	if ($Coro::current == $Coro::main) {
		484	my $time = EV::time;
		485
310	# this is the main coro, too bad, we have to block	486	# this is the main coro, too bad, we have to block
311	# till the operation succeeds, freezing the server :/	487	# till the operation succeeds, freezing the server :/
312		488
313	# TODO: use suspend/resume instead	489	LOG llevError, Carp::longmess "sync job";#d#
314	# (but this is cancel-safe)	490
315	my $freeze_guard = freeze_mainloop;	491	my $freeze_guard = freeze_mainloop;
316		492
317	my $busy = 1;	493	my $busy = 1;
318	my @res;	494	my @res;
319		495
320	(async {	496	(async {
		497	$Coro::current->desc ("sync job coro");
321	@res = eval { $job->() };	498	@res = eval { $job->() };
322	warn $@ if $@;	499	warn $@ if $@;
323	undef $busy;	500	undef $busy;
324	})->prio (Coro::PRIO_MAX);	501	})->prio (Coro::PRIO_MAX);
325		502
326	while ($busy) {	503	while ($busy) {
327	Coro::cede or Event::one_event;	504	if (Coro::nready) {
		505	Coro::cede_notself;
		506	} else {
		507	EV::loop EV::LOOP_ONESHOT;
328	}	508	}
		509	}
		510
		511	my $time = EV::time - $time;
		512
		513	$TICK_START += $time; # do not account sync jobs to server load
329		514
330	wantarray ? @res : $res[0]	515	wantarray ? @res : $res[0]
331	} else {	516	} else {
332	# we are in another coroutine, how wonderful, everything just works	517	# we are in another coroutine, how wonderful, everything just works
333		518
…		…
353	$EXT_CORO{$coro+0} = $coro;	538	$EXT_CORO{$coro+0} = $coro;
354		539
355	$coro	540	$coro
356	}	541	}
357		542
358	sub write_runtime {	543	=item fork_call { }, $args
359	my $runtime = cf::localdir . "/runtime";
360		544
361	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	545	Executes the given code block with the given arguments in a seperate
362	or return;	546	process, returning the results. Everything must be serialisable with
		547	Coro::Storable. May, of course, block. Note that the executed sub may
		548	never block itself or use any form of event handling.
363		549
364	my $value = $cf::RUNTIME + 90 + 10;	550	=cut
365	# 10 is the runtime save interval, for a monotonic clock
366	# 60 allows for the watchdog to kill the server.
367		551
368	(aio_write $fh, 0, (length $value), $value, 0) <= 0	552	sub fork_call(&@) {
369	and return;	553	my ($cb, @args) = @_;
370		554
371	# always fsync - this file is important	555	# we seemingly have to make a local copy of the whole thing,
372	aio_fsync $fh	556	# otherwise perl prematurely frees the stuff :/
373	and return;	557	# TODO: investigate and fix (likely this will be rather laborious)
374		558
375	close $fh	559	my @res = Coro::Util::fork_eval {
376	or return;	560	reset_signals;
		561	&$cb
		562	}, @args;
377		563
378	aio_rename "$runtime~", $runtime	564	wantarray ? @res : $res[-1]
379	and return;	565	}
380		566
		567	=item $coin = coin_from_name $name
		568
		569	=cut
		570
		571	our %coin_alias = (
		572	"silver" => "silvercoin",
		573	"silvercoin" => "silvercoin",
		574	"silvercoins" => "silvercoin",
		575	"gold" => "goldcoin",
		576	"goldcoin" => "goldcoin",
		577	"goldcoins" => "goldcoin",
		578	"platinum" => "platinacoin",
		579	"platinumcoin" => "platinacoin",
		580	"platinumcoins" => "platinacoin",
		581	"platina" => "platinacoin",
		582	"platinacoin" => "platinacoin",
		583	"platinacoins" => "platinacoin",
		584	"royalty" => "royalty",
		585	"royalties" => "royalty",
		586	);
		587
		588	sub coin_from_name($) {
		589	$coin_alias{$_[0]}
		590	? cf::arch::find $coin_alias{$_[0]}
		591	: undef
		592	}
		593
		594	=item $value = cf::db_get $family => $key
		595
		596	Returns a single value from the environment database.
		597
		598	=item cf::db_put $family => $key => $value
		599
		600	Stores the given C<$value> in the family. It can currently store binary
		601	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		602
		603	=item $db = cf::db_table "name"
		604
		605	Create and/or open a new database table. The string must not be "db" and must be unique
		606	within each server.
		607
		608	=cut
		609
		610	sub db_table($) {
		611	my ($name) = @_;
		612	my $db = BDB::db_create $DB_ENV;
		613
		614	eval {
		615	$db->set_flags (BDB::CHKSUM);
		616
		617	utf8::encode $name;
		618	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		619	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		620	cf::cleanup "db_open(db): $!" if $!;
		621	};
		622	cf::cleanup "db_open(db): $@" if $@;
		623
		624	$db
		625	}
		626
		627	our $DB;
		628
		629	sub db_init {
		630	cf::sync_job {
		631	$DB ||= db_table "db";
		632	};
		633	}
		634
		635	sub db_get($$) {
		636	my $key = "$_[0]/$_[1]";
		637
		638	cf::sync_job {
		639	BDB::db_get $DB, undef, $key, my $data;
		640
		641	$! ? ()
		642	: $data
381	1	643	}
		644	}
		645
		646	sub db_put($$$) {
		647	BDB::dbreq_pri 4;
		648	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		649	}
		650
		651	=item cf::cache $id => [$paths...], $processversion => $process
		652
		653	Generic caching function that returns the value of the resource $id,
		654	caching and regenerating as required.
		655
		656	This function can block.
		657
		658	=cut
		659
		660	sub cache {
		661	my ($id, $src, $processversion, $process) = @_;
		662
		663	my $meta =
		664	join "\x00",
		665	$processversion,
		666	map {
		667	aio_stat $_
		668	and Carp::croak "$_: $!";
		669
		670	($_, (stat _)[7,9])
		671	} @$src;
		672
		673	my $dbmeta = db_get cache => "$id/meta";
		674	if ($dbmeta ne $meta) {
		675	# changed, we may need to process
		676
		677	my @data;
		678	my $md5;
		679
		680	for (0 .. $#$src) {
		681	0 <= aio_load $src->[$_], $data[$_]
		682	or Carp::croak "$src->[$_]: $!";
		683	}
		684
		685	# if processing is expensive, check
		686	# checksum first
		687	if (1) {
		688	$md5 =
		689	join "\x00",
		690	$processversion,
		691	map {
		692	cf::cede_to_tick;
		693	($src->[$_], Digest::MD5::md5_hex $data[$_])
		694	} 0.. $#$src;
		695
		696
		697	my $dbmd5 = db_get cache => "$id/md5";
		698	if ($dbmd5 eq $md5) {
		699	db_put cache => "$id/meta", $meta;
		700
		701	return db_get cache => "$id/data";
		702	}
		703	}
		704
		705	my $t1 = Time::HiRes::time;
		706	my $data = $process->(\@data);
		707	my $t2 = Time::HiRes::time;
		708
		709	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		710
		711	db_put cache => "$id/data", $data;
		712	db_put cache => "$id/md5" , $md5;
		713	db_put cache => "$id/meta", $meta;
		714
		715	return $data;
		716	}
		717
		718	db_get cache => "$id/data"
		719	}
		720
		721	=item cf::datalog type => key => value, ...
		722
		723	Log a datalog packet of the given type with the given key-value pairs.
		724
		725	=cut
		726
		727	sub datalog($@) {
		728	my ($type, %kv) = @_;
		729	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
382	}	730	}
383		731
384	=back	732	=back
385		733
386	=cut	734	=cut
387		735
388	#############################################################################	736	#############################################################################
389		737
390	=head2 ATTACHABLE OBJECTS	738	=head2 ATTACHABLE OBJECTS
391		739
392	Many objects in crossfire are so-called attachable objects. That means you can	740	Many objects in deliantra are so-called attachable objects. That means you can
393	attach callbacks/event handlers (a collection of which is called an "attachment")	741	attach callbacks/event handlers (a collection of which is called an "attachment")
394	to it. All such attachable objects support the following methods.	742	to it. All such attachable objects support the following methods.
395		743
396	In the following description, CLASS can be any of C<global>, C<object>	744	In the following description, CLASS can be any of C<global>, C<object>
397	C<player>, C<client> or C<map> (i.e. the attachable objects in	745	C<player>, C<client> or C<map> (i.e. the attachable objects in
398	crossfire+).	746	Deliantra).
399		747
400	=over 4	748	=over 4
401		749
402	=item $attachable->attach ($attachment, key => $value...)	750	=item $attachable->attach ($attachment, key => $value...)
403		751
…		…
447	=item cf::CLASS::attachment $name, ...	795	=item cf::CLASS::attachment $name, ...
448		796
449	Register an attachment by C<$name> through which attachable objects of the	797	Register an attachment by C<$name> through which attachable objects of the
450	given CLASS can refer to this attachment.	798	given CLASS can refer to this attachment.
451		799
452	Some classes such as crossfire maps and objects can specify attachments	800	Some classes such as deliantra maps and objects can specify attachments
453	that are attached at load/instantiate time, thus the need for a name.	801	that are attached at load/instantiate time, thus the need for a name.
454		802
455	These calls expect any number of the following handler/hook descriptions:	803	These calls expect any number of the following handler/hook descriptions:
456		804
457	=over 4	805	=over 4
…		…
566	$registry = $CB_TYPE[$object_type] ||= [];	914	$registry = $CB_TYPE[$object_type] ||= [];
567		915
568	} elsif ($type eq "subtype") {	916	} elsif ($type eq "subtype") {
569	defined $object_type or Carp::croak "subtype specified without type";	917	defined $object_type or Carp::croak "subtype specified without type";
570	my $object_subtype = shift @arg;	918	my $object_subtype = shift @arg;
571	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	919	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
572		920
573	} elsif ($type eq "package") {	921	} elsif ($type eq "package") {
574	my $pkg = shift @arg;	922	my $pkg = shift @arg;
575		923
576	while (my ($name, $id) = each %cb_id) {	924	while (my ($name, $id) = each %cb_id) {
…		…
605	_attach $registry, $klass, @attach;	953	_attach $registry, $klass, @attach;
606	}	954	}
607		955
608	$obj->{$name} = \%arg;	956	$obj->{$name} = \%arg;
609	} else {	957	} else {
610	warn "object uses attachment '$name' that is not available, postponing.\n";	958	warn "object uses attachment '$name' which is not available, postponing.\n";
611	}	959	}
612		960
613	$obj->{_attachment}{$name} = undef;	961	$obj->{_attachment}{$name} = undef;
614	}	962	}
615		963
…		…
617	if (ref $_[0]) {	965	if (ref $_[0]) {
618	_object_attach @_;	966	_object_attach @_;
619	} else {	967	} else {
620	_attach shift->_attach_registry, @_;	968	_attach shift->_attach_registry, @_;
621	}	969	}
		970	_recalc_want;
622	};	971	};
623		972
624	# all those should be optimised	973	# all those should be optimised
625	sub cf::attachable::detach {	974	sub cf::attachable::detach {
626	my ($obj, $name) = @_;	975	my ($obj, $name) = @_;
…		…
629	delete $obj->{_attachment}{$name};	978	delete $obj->{_attachment}{$name};
630	reattach ($obj);	979	reattach ($obj);
631	} else {	980	} else {
632	Carp::croak "cannot, currently, detach class attachments";	981	Carp::croak "cannot, currently, detach class attachments";
633	}	982	}
		983	_recalc_want;
634	};	984	};
635		985
636	sub cf::attachable::attached {	986	sub cf::attachable::attached {
637	my ($obj, $name) = @_;	987	my ($obj, $name) = @_;
638		988
…		…
653	";	1003	";
654	die if $@;	1004	die if $@;
655	}	1005	}
656		1006
657	our $override;	1007	our $override;
658	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1008	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
659		1009
660	sub override {	1010	sub override {
661	$override = 1;	1011	$override = 1;
662	@invoke_results = ();	1012	@INVOKE_RESULTS = (@_);
663	}	1013	}
664		1014
665	sub do_invoke {	1015	sub do_invoke {
666	my $event = shift;	1016	my $event = shift;
667	my $callbacks = shift;	1017	my $callbacks = shift;
668		1018
669	@invoke_results = ();	1019	@INVOKE_RESULTS = ();
670		1020
671	local $override;	1021	local $override;
672		1022
673	for (@$callbacks) {	1023	for (@$callbacks) {
674	eval { &{$_->[1]} };	1024	eval { &{$_->[1]} };
…		…
683	}	1033	}
684		1034
685	0	1035	0
686	}	1036	}
687		1037
688	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1038	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
689		1039
690	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1040	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
691		1041
692	Generate an object-specific event with the given arguments.	1042	Generate an object-specific event with the given arguments.
693		1043
694	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1044	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
695	removed in future versions), and there is no public API to access override	1045	removed in future versions), and there is no public API to access override
696	results (if you must, access C<@cf::invoke_results> directly).	1046	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
697		1047
698	=back	1048	=back
699		1049
700	=cut	1050	=cut
701		1051
702	#############################################################################	1052	#############################################################################
703	# object support	1053	# object support
		1054
		1055	sub _object_equal($$);
		1056	sub _object_equal($$) {
		1057	my ($a, $b) = @_;
		1058
		1059	return 0 unless (ref $a) eq (ref $b);
		1060
		1061	if ("HASH" eq ref $a) {
		1062	my @ka = keys %$a;
		1063	my @kb = keys %$b;
		1064
		1065	return 0 if @ka != @kb;
		1066
		1067	for (0 .. $#ka) {
		1068	return 0 unless $ka[$_] eq $kb[$_];
		1069	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1070	}
		1071
		1072	} elsif ("ARRAY" eq ref $a) {
		1073
		1074	return 0 if @$a != @$b;
		1075
		1076	for (0 .. $#$a) {
		1077	return 0 unless _object_equal $a->[$_], $b->[$_];
		1078	}
		1079
		1080	} elsif ($a ne $b) {
		1081	return 0;
		1082	}
		1083
		1084	1
		1085	}
		1086
		1087	our $SLOW_MERGES;#d#
		1088	sub _can_merge {
		1089	my ($ob1, $ob2) = @_;
		1090
		1091	++$SLOW_MERGES;#d#
		1092
		1093	# we do the slow way here
		1094	return _object_equal $ob1, $ob2
		1095	}
704		1096
705	sub reattach {	1097	sub reattach {
706	# basically do the same as instantiate, without calling instantiate	1098	# basically do the same as instantiate, without calling instantiate
707	my ($obj) = @_;	1099	my ($obj) = @_;
708		1100
		1101	# no longer needed after getting rid of delete_package?
709	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1102	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
710		1103
711	my $registry = $obj->registry;	1104	my $registry = $obj->registry;
712		1105
713	@$registry = ();	1106	@$registry = ();
714		1107
…		…
729	cf::attachable->attach (	1122	cf::attachable->attach (
730	prio => -1000000,	1123	prio => -1000000,
731	on_instantiate => sub {	1124	on_instantiate => sub {
732	my ($obj, $data) = @_;	1125	my ($obj, $data) = @_;
733		1126
734	$data = from_json $data;	1127	$data = decode_json $data;
735		1128
736	for (@$data) {	1129	for (@$data) {
737	my ($name, $args) = @$_;	1130	my ($name, $args) = @$_;
738		1131
739	$obj->attach ($name, %{$args || {} });	1132	$obj->attach ($name, %{$args || {} });
…		…
755	sub object_freezer_save {	1148	sub object_freezer_save {
756	my ($filename, $rdata, $objs) = @_;	1149	my ($filename, $rdata, $objs) = @_;
757		1150
758	sync_job {	1151	sync_job {
759	if (length $$rdata) {	1152	if (length $$rdata) {
		1153	utf8::decode (my $decname = $filename);
760	warn sprintf "saving %s (%d,%d)\n",	1154	warn sprintf "saving %s (%d,%d)\n",
761	$filename, length $$rdata, scalar @$objs;	1155	$decname, length $$rdata, scalar @$objs;
762		1156
763	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1157	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
764	chmod SAVE_MODE, $fh;	1158	aio_chmod $fh, SAVE_MODE;
765	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1159	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
766	aio_fsync $fh if $cf::USE_FSYNC;	1160	if ($cf::USE_FSYNC) {
		1161	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;
		1162	aio_fsync $fh;
		1163	}
767	close $fh;	1164	aio_close $fh;
768		1165
769	if (@$objs) {	1166	if (@$objs) {
770	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1167	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1168	aio_chmod $fh, SAVE_MODE;
772	my $data = Storable::nfreeze { version => 1, objs => $objs };	1169	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
773	aio_write $fh, 0, (length $data), $data, 0;	1170	aio_write $fh, 0, (length $data), $data, 0;
774	aio_fsync $fh if $cf::USE_FSYNC;	1171	if ($cf::USE_FSYNC) {
		1172	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;
		1173	aio_fsync $fh;
		1174	}
775	close $fh;	1175	aio_close $fh;
776	aio_rename "$filename.pst~", "$filename.pst";	1176	aio_rename "$filename.pst~", "$filename.pst";
777	}	1177	}
778	} else {	1178	} else {
779	aio_unlink "$filename.pst";	1179	aio_unlink "$filename.pst";
780	}	1180	}
781		1181
782	aio_rename "$filename~", $filename;	1182	aio_rename "$filename~", $filename;
		1183
		1184	$filename =~ s%/[^/]+$%%;
		1185	aio_pathsync $filename if $cf::USE_FSYNC;
783	} else {	1186	} else {
784	warn "FATAL: $filename~: $!\n";	1187	warn "unable to save objects: $filename~: $!\n";
785	}	1188	}
786	} else {	1189	} else {
787	aio_unlink $filename;	1190	aio_unlink $filename;
788	aio_unlink "$filename.pst";	1191	aio_unlink "$filename.pst";
789	}	1192	}
790	}	1193	};
791	}	1194	}
792		1195
793	sub object_freezer_as_string {	1196	sub object_freezer_as_string {
794	my ($rdata, $objs) = @_;	1197	my ($rdata, $objs) = @_;
795		1198
…		…
807	or return;	1210	or return;
808		1211
809	unless (aio_stat "$filename.pst") {	1212	unless (aio_stat "$filename.pst") {
810	(aio_load "$filename.pst", $av) >= 0	1213	(aio_load "$filename.pst", $av) >= 0
811	or return;	1214	or return;
		1215
812	$av = eval { (Storable::thaw $av)->{objs} };	1216	my $st = eval { Coro::Storable::thaw $av };
		1217	$av = $st->{objs};
813	}	1218	}
814		1219
		1220	utf8::decode (my $decname = $filename);
815	warn sprintf "loading %s (%d)\n",	1221	warn sprintf "loading %s (%d,%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	1222	$decname, length $data, scalar @{$av || []};
		1223
817	return ($data, $av);	1224	($data, $av)
818	}	1225	}
		1226
		1227	=head2 COMMAND CALLBACKS
		1228
		1229	=over 4
		1230
		1231	=cut
819		1232
820	#############################################################################	1233	#############################################################################
821	# command handling &c	1234	# command handling &c
822		1235
823	=item cf::register_command $name => \&callback($ob,$args);	1236	=item cf::register_command $name => \&callback($ob,$args);
…		…
836	push @{ $COMMAND{$name} }, [$caller, $cb];	1249	push @{ $COMMAND{$name} }, [$caller, $cb];
837	}	1250	}
838		1251
839	=item cf::register_extcmd $name => \&callback($pl,$packet);	1252	=item cf::register_extcmd $name => \&callback($pl,$packet);
840		1253
841	Register a callbackf ro execution when the client sends an extcmd packet.	1254	Register a callback for execution when the client sends an (synchronous)
		1255	extcmd packet. Ext commands will be processed in the order they are
		1256	received by the server, like other user commands. The first argument is
		1257	the logged-in player. Ext commands can only be processed after a player
		1258	has logged in successfully.
842		1259
843	If the callback returns something, it is sent back as if reply was being	1260	If the callback returns something, it is sent back as if reply was being
844	called.	1261	called.
845		1262
		1263	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1264
		1265	Register a callback for execution when the client sends an (asynchronous)
		1266	exticmd packet. Exti commands are processed by the server as soon as they
		1267	are received, i.e. out of order w.r.t. other commands. The first argument
		1268	is a client socket. Exti commands can be received anytime, even before
		1269	log-in.
		1270
		1271	If the callback returns something, it is sent back as if reply was being
		1272	called.
		1273
846	=cut	1274	=cut
847		1275
848	sub register_extcmd {	1276	sub register_extcmd {
849	my ($name, $cb) = @_;	1277	my ($name, $cb) = @_;
850		1278
851	$EXTCMD{$name} = $cb;	1279	$EXTCMD{$name} = $cb;
852	}	1280	}
		1281
		1282	sub register_exticmd {
		1283	my ($name, $cb) = @_;
		1284
		1285	$EXTICMD{$name} = $cb;
		1286	}
		1287
		1288	use File::Glob ();
853		1289
854	cf::player->attach (	1290	cf::player->attach (
855	on_command => sub {	1291	on_command => sub {
856	my ($pl, $name, $params) = @_;	1292	my ($pl, $name, $params) = @_;
857		1293
…		…
865	cf::override;	1301	cf::override;
866	},	1302	},
867	on_extcmd => sub {	1303	on_extcmd => sub {
868	my ($pl, $buf) = @_;	1304	my ($pl, $buf) = @_;
869		1305
870	my $msg = eval { from_json $buf };	1306	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871		1307
872	if (ref $msg) {	1308	if (ref $msg) {
		1309	my ($type, $reply, @payload) =
		1310	"ARRAY" eq ref $msg
		1311	? @$msg
		1312	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1313
		1314	my @reply;
		1315
873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1316	if (my $cb = $EXTCMD{$type}) {
874	if (my %reply = $cb->($pl, $msg)) {	1317	@reply = $cb->($pl, @payload);
875	$pl->ext_reply ($msg->{msgid}, %reply);
876	}
877	}	1318	}
		1319
		1320	$pl->ext_reply ($reply, @reply)
		1321	if $reply;
		1322
878	} else {	1323	} else {
879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1324	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
880	}	1325	}
881		1326
882	cf::override;	1327	cf::override;
883	},	1328	},
884	);	1329	);
885		1330
		1331	# "readahead" all extensions
886	sub load_extension {	1332	sub cache_extensions {
887	my ($path) = @_;	1333	my $grp = IO::AIO::aio_group;
888		1334
889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1335	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
890	my $base = $1;	1336	for (grep /\.ext$/, @{$_[0]}) {
891	my $pkg = $1;	1337	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
892	$pkg =~ s/[^[:word:]]/_/g;
893	$pkg = "ext::$pkg";
894
895	warn "... loading '$path' into '$pkg'\n";
896
897	open my $fh, "<:utf8", $path
898	or die "$path: $!";
899
900	my $source =
901	"package $pkg; use strict; use utf8;\n"
902	. "#line 1 \"$path\"\n{\n"
903	. (do { local $/; <$fh> })
904	. "\n};\n1";
905
906	unless (eval $source) {
907	my $msg = $@ ? "$path: $@\n"
908	: "extension disabled.\n";
909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
910	warn $@;
911	warn "mandatory extension failed to load, exiting.\n";
912	exit 1;
913	}	1338	}
914	die $@;
915	}	1339	};
916		1340
917	push @EXTS, $pkg;	1341	$grp
918	}	1342	}
919		1343
920	sub load_extensions {	1344	sub load_extensions {
		1345	cf::sync_job {
		1346	my %todo;
		1347
921	for my $ext (<$LIBDIR/*.ext>) {	1348	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1349	next unless -r $path;
923	eval {	1350
924	load_extension $ext;	1351	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1352	my $base = $1;
		1353	my $pkg = $1;
		1354	$pkg =~ s/[^[:word:]]/_/g;
		1355	$pkg = "ext::$pkg";
		1356
		1357	open my $fh, "<:utf8", $path
		1358	or die "$path: $!";
		1359
		1360	my $source = do { local $/; <$fh> };
		1361
		1362	my %ext = (
		1363	path => $path,
		1364	base => $base,
		1365	pkg => $pkg,
		1366	);
		1367
		1368	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1369	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1370
		1371	$ext{source} =
		1372	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1373	. "#line 1 \"$path\"\n{\n"
		1374	. $source
		1375	. "\n};\n1";
		1376
		1377	$todo{$base} = \%ext;
		1378	}
		1379
		1380	my %done;
		1381	while (%todo) {
		1382	my $progress;
		1383
		1384	while (my ($k, $v) = each %todo) {
		1385	for (split /,\s*/, $v->{meta}{depends}) {
		1386	goto skip
		1387	unless exists $done{$_};
		1388	}
		1389
		1390	warn "... loading '$k' into '$v->{pkg}'\n";
		1391
		1392	unless (eval $v->{source}) {
		1393	my $msg = $@ ? "$v->{path}: $@\n"
		1394	: "$v->{base}: extension inactive.\n";
		1395
		1396	if (exists $v->{meta}{mandatory}) {
		1397	warn $msg;
		1398	cf::cleanup "mandatory extension failed to load, exiting.";
		1399	}
		1400
		1401	warn $msg;
		1402	}
		1403
		1404	$done{$k} = delete $todo{$k};
		1405	push @EXTS, $v->{pkg};
		1406	$progress = 1;
925	1	1407	}
926	} or warn "$ext not loaded: $@";	1408
		1409	skip:
		1410	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1411	unless $progress;
		1412	}
927	}	1413	};
928	}	1414	}
929		1415
930	#############################################################################	1416	#############################################################################
931		1417
		1418	=back
		1419
932	=head2 CORE EXTENSIONS	1420	=head2 CORE EXTENSIONS
933		1421
934	Functions and methods that extend core crossfire objects.	1422	Functions and methods that extend core deliantra objects.
935		1423
936	=cut	1424	=cut
937		1425
938	package cf::player;	1426	package cf::player;
939		1427
…		…
941		1429
942	=head3 cf::player	1430	=head3 cf::player
943		1431
944	=over 4	1432	=over 4
945		1433
		1434	=item cf::player::num_playing
		1435
		1436	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1437
		1438	=cut
		1439
		1440	sub num_playing {
		1441	scalar grep
		1442	$_->ob->map
		1443	&& !$_->hidden
		1444	&& !$_->ob->flag (cf::FLAG_WIZ),
		1445	cf::player::list
		1446	}
		1447
946	=item cf::player::find $login	1448	=item cf::player::find $login
947		1449
948	Returns the given player object, loading it if necessary (might block).	1450	Returns the given player object, loading it if necessary (might block).
949		1451
950	=cut	1452	=cut
951		1453
952	sub playerdir($) {	1454	sub playerdir($) {
953	cf::localdir	1455	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1456	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1457	}
959		1458
960	sub path($) {	1459	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1460	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1461
963	(playerdir $login) . "/$login.pl"	1462	(playerdir $login) . "/playerdata"
964	}	1463	}
965		1464
966	sub find_active($) {	1465	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1466	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1467	and $cf::PLAYER{$_[0]}->active
…		…
971		1470
972	sub exists($) {	1471	sub exists($) {
973	my ($login) = @_;	1472	my ($login) = @_;
974		1473
975	$cf::PLAYER{$login}	1474	$cf::PLAYER{$login}
976	or cf::sync_job { !aio_stat path $login }	1475	or !aio_stat path $login
977	}	1476	}
978		1477
979	sub find($) {	1478	sub find($) {
980	return $cf::PLAYER{$_[0]} || do {	1479	return $cf::PLAYER{$_[0]} || do {
981	my $login = $_[0];	1480	my $login = $_[0];
982		1481
983	my $guard = cf::lock_acquire "user_find:$login";	1482	my $guard = cf::lock_acquire "user_find:$login";
984		1483
985	$cf::PLAYER{$_[0]} || do {	1484	$cf::PLAYER{$_[0]} || do {
986	my $pl = load_pl path $login	1485	# rename old playerfiles to new ones
		1486	#TODO: remove when no longer required
		1487	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1488	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1489	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1490	aio_unlink +(playerdir $login) . "/$login.pl";
		1491
		1492	my $f = new_from_file cf::object::thawer path $login
987	or return;	1493	or return;
		1494
		1495	my $pl = cf::player::load_pl $f
		1496	or return;
		1497
		1498	local $cf::PLAYER_LOADING{$login} = $pl;
		1499	$f->resolve_delayed_derefs;
988	$cf::PLAYER{$login} = $pl	1500	$cf::PLAYER{$login} = $pl
989	}	1501	}
990	}	1502	}
991	}	1503	}
992		1504
…		…
1001	return if $pl->{deny_save};	1513	return if $pl->{deny_save};
1002		1514
1003	aio_mkdir playerdir $pl, 0770;	1515	aio_mkdir playerdir $pl, 0770;
1004	$pl->{last_save} = $cf::RUNTIME;	1516	$pl->{last_save} = $cf::RUNTIME;
1005		1517
		1518	cf::get_slot 0.01;
		1519
1006	$pl->save_pl ($path);	1520	$pl->save_pl ($path);
1007	Coro::cede;	1521	cf::cede_to_tick;
1008	}	1522	}
1009		1523
1010	sub new($) {	1524	sub new($) {
1011	my ($login) = @_;	1525	my ($login) = @_;
1012		1526
…		…
1018	$cf::PLAYER{$login} = $self;	1532	$cf::PLAYER{$login} = $self;
1019		1533
1020	$self	1534	$self
1021	}	1535	}
1022		1536
		1537	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1538
		1539	=cut
		1540
		1541	sub send_msg {
		1542	my $ns = shift->ns
		1543	or return;
		1544	$ns->send_msg (@_);
		1545	}
		1546
1023	=item $pl->quit_character	1547	=item $pl->quit_character
1024		1548
1025	Nukes the player without looking back. If logged in, the connection will	1549	Nukes the player without looking back. If logged in, the connection will
1026	be destroyed. May block for a long time.	1550	be destroyed. May block for a long time.
1027		1551
1028	=cut	1552	=cut
1029		1553
1030	sub quit_character {	1554	sub quit_character {
1031	my ($pl) = @_;	1555	my ($pl) = @_;
1032		1556
		1557	my $name = $pl->ob->name;
		1558
1033	$pl->{deny_save} = 1;	1559	$pl->{deny_save} = 1;
1034	$pl->password ("*"); # this should lock out the player until we nuked the dir	1560	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1035		1561
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1562	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1037	$pl->deactivate;	1563	$pl->deactivate;
		1564	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1565	$pl->ob->check_score;
1038	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1566	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1039	$pl->ns->destroy if $pl->ns;	1567	$pl->ns->destroy if $pl->ns;
1040		1568
1041	my $path = playerdir $pl;	1569	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1570	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1571	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1572	delete $cf::PLAYER{$pl->ob->name};
1045	$pl->destroy;	1573	$pl->destroy;
		1574
		1575	my $prefix = qr<^~\Q$name\E/>;
		1576
		1577	# nuke player maps
		1578	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1579
1046	IO::AIO::aio_rmtree $temp;	1580	IO::AIO::aio_rmtree $temp;
		1581	}
		1582
		1583	=item $pl->kick
		1584
		1585	Kicks a player out of the game. This destroys the connection.
		1586
		1587	=cut
		1588
		1589	sub kick {
		1590	my ($pl, $kicker) = @_;
		1591
		1592	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1593	$pl->killer ("kicked");
		1594	$pl->ns->destroy;
1047	}	1595	}
1048		1596
1049	=item cf::player::list_logins	1597	=item cf::player::list_logins
1050		1598
1051	Returns am arrayref of all valid playernames in the system, can take a	1599	Returns am arrayref of all valid playernames in the system, can take a
1052	while and may block, so not sync_job-capable, ever.	1600	while and may block, so not sync_job-capable, ever.
1053		1601
1054	=cut	1602	=cut
1055		1603
1056	sub list_logins {	1604	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1605	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1606	or return [];
1059		1607
1060	my @logins;	1608	my @logins;
1061		1609
1062	for my $login (@$dirs) {	1610	for my $login (@$dirs) {
		1611	my $path = path $login;
		1612
		1613	# a .pst is a dead give-away for a valid player
		1614	# if no pst file found, open and chekc for blocked users
		1615	if (aio_stat "$path.pst") {
1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1616	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1064	aio_read $fh, 0, 512, my $buf, 0 or next;	1617	aio_read $fh, 0, 512, my $buf, 0 or next;
1065	$buf !~ /^password -------------$/m or next; # official not-valid tag	1618	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1619	}
1066		1620
1067	utf8::decode $login;	1621	utf8::decode $login;
1068	push @logins, $login;	1622	push @logins, $login;
1069	}	1623	}
1070		1624
…		…
1097	}	1651	}
1098		1652
1099	\@paths	1653	\@paths
1100	}	1654	}
1101		1655
		1656	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1657
		1658	Expand deliantra pod fragments into protocol xml.
		1659
1102	=item $player->ext_reply ($msgid, $msgtype, %msg)	1660	=item $player->ext_reply ($msgid, @msg)
1103		1661
1104	Sends an ext reply to the player.	1662	Sends an ext reply to the player.
1105		1663
1106	=cut	1664	=cut
1107		1665
1108	sub ext_reply($$$%) {	1666	sub ext_reply($$@) {
1109	my ($self, $id, %msg) = @_;	1667	my ($self, $id, @msg) = @_;
1110		1668
1111	$msg{msgid} = $id;	1669	$self->ns->ext_reply ($id, @msg)
1112
1113	$self->send ("ext " . cf::to_json \%msg);
1114	}	1670	}
1115		1671
1116	package cf;	1672	=item $player->ext_msg ($type, @msg)
		1673
		1674	Sends an ext event to the client.
		1675
		1676	=cut
		1677
		1678	sub ext_msg($$@) {
		1679	my ($self, $type, @msg) = @_;
		1680
		1681	$self->ns->ext_msg ($type, @msg);
		1682	}
		1683
		1684	=head3 cf::region
		1685
		1686	=over 4
		1687
		1688	=cut
		1689
		1690	package cf::region;
		1691
		1692	=item cf::region::find_by_path $path
		1693
		1694	Tries to decuce the likely region for a map knowing only its path.
		1695
		1696	=cut
		1697
		1698	sub find_by_path($) {
		1699	my ($path) = @_;
		1700
		1701	my ($match, $specificity);
		1702
		1703	for my $region (list) {
		1704	if ($region->{match} && $path =~ $region->{match}) {
		1705	($match, $specificity) = ($region, $region->specificity)
		1706	if $region->specificity > $specificity;
		1707	}
		1708	}
		1709
		1710	$match
		1711	}
1117		1712
1118	=back	1713	=back
1119
1120		1714
1121	=head3 cf::map	1715	=head3 cf::map
1122		1716
1123	=over 4	1717	=over 4
1124		1718
…		…
1136	our $MAX_RESET = 3600;	1730	our $MAX_RESET = 3600;
1137	our $DEFAULT_RESET = 3000;	1731	our $DEFAULT_RESET = 3000;
1138		1732
1139	sub generate_random_map {	1733	sub generate_random_map {
1140	my ($self, $rmp) = @_;	1734	my ($self, $rmp) = @_;
		1735
		1736	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1737
1141	# mit "rum" bekleckern, nicht	1738	# mit "rum" bekleckern, nicht
1142	$self->_create_random_map (	1739	$self->_create_random_map (
1143	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1740	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1144	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1741	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1145	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1742	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1179	my ($self, $merge) = @_;	1776	my ($self, $merge) = @_;
1180		1777
1181	# we have to keep some variables in memory intact	1778	# we have to keep some variables in memory intact
1182	local $self->{path};	1779	local $self->{path};
1183	local $self->{load_path};	1780	local $self->{load_path};
1184	local $self->{deny_save};
1185	local $self->{deny_reset};
1186		1781
1187	$self->SUPER::thawer_merge ($merge);	1782	$self->SUPER::thawer_merge ($merge);
1188	}	1783	}
1189		1784
1190	sub normalise {	1785	sub normalise {
…		…
1237	$self->init; # pass $1 etc.	1832	$self->init; # pass $1 etc.
1238	return $self;	1833	return $self;
1239	}	1834	}
1240	}	1835	}
1241		1836
1242	Carp::carp "unable to resolve path '$path' (base '$base').";	1837	Carp::cluck "unable to resolve path '$path' (base '$base').";
1243	()	1838	()
1244	}	1839	}
1245		1840
1246	sub init {	1841	sub init {
1247	my ($self) = @_;	1842	my ($self) = @_;
…		…
1262		1857
1263	# the original (read-only) location	1858	# the original (read-only) location
1264	sub load_path {	1859	sub load_path {
1265	my ($self) = @_;	1860	my ($self) = @_;
1266		1861
1267	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1862	"$MAPDIR/$self->{path}.map"
1268	}	1863	}
1269		1864
1270	# the temporary/swap location	1865	# the temporary/swap location
1271	sub save_path {	1866	sub save_path {
1272	my ($self) = @_;	1867	my ($self) = @_;
1273		1868
1274	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1869	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1275	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1870	"$TMPDIR/$path.map"
1276	}	1871	}
1277		1872
1278	# the unique path, undef == no special unique path	1873	# the unique path, undef == no special unique path
1279	sub uniq_path {	1874	sub uniq_path {
1280	my ($self) = @_;	1875	my ($self) = @_;
1281		1876
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1877	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1283	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1878	"$UNIQUEDIR/$path"
1284	}	1879	}
1285		1880
1286	# and all this just because we cannot iterate over	1881	sub decay_objects {
1287	# all maps in C++...
1288	sub change_all_map_light {
1289	my ($change) = @_;	1882	my ($self) = @_;
1290		1883
1291	$_->change_map_light ($change)	1884	return if $self->{deny_reset};
1292	for grep $_->outdoor, values %cf::MAP;	1885
		1886	$self->do_decay_objects;
1293	}	1887	}
1294		1888
1295	sub unlink_save {	1889	sub unlink_save {
1296	my ($self) = @_;	1890	my ($self) = @_;
1297		1891
…		…
1302		1896
1303	sub load_header_from($) {	1897	sub load_header_from($) {
1304	my ($self, $path) = @_;	1898	my ($self, $path) = @_;
1305		1899
1306	utf8::encode $path;	1900	utf8::encode $path;
1307	#aio_open $path, O_RDONLY, 0	1901	my $f = new_from_file cf::object::thawer $path
1308	# or return;
1309
1310	$self->_load_header ($path)
1311	or return;	1902	or return;
		1903
		1904	$self->_load_header ($f)
		1905	or return;
		1906
		1907	local $MAP_LOADING{$self->{path}} = $self;
		1908	$f->resolve_delayed_derefs;
1312		1909
1313	$self->{load_path} = $path;	1910	$self->{load_path} = $path;
1314		1911
1315	1	1912	1
1316	}	1913	}
…		…
1355	$self->load_header_orig	1952	$self->load_header_orig
1356	or return;	1953	or return;
1357	$self->prepare_orig;	1954	$self->prepare_orig;
1358	}	1955	}
1359		1956
		1957	$self->{deny_reset} = 1
		1958	if $self->no_reset;
		1959
		1960	$self->default_region (cf::region::find_by_path $self->{path})
		1961	unless $self->default_region;
		1962
1360	1	1963	1
1361	}	1964	}
1362		1965
1363	sub find;	1966	sub find;
1364	sub find {	1967	sub find {
1365	my ($path, $origin) = @_;	1968	my ($path, $origin) = @_;
1366		1969
1367	$path = normalise $path, $origin && $origin->path;	1970	$path = normalise $path, $origin && $origin->path;
1368		1971
		1972	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1369	cf::lock_wait "map_find:$path";	1973	my $guard2 = cf::lock_acquire "map_find:$path";
1370		1974
1371	$cf::MAP{$path} || do {	1975	$cf::MAP{$path} || do {
1372	my $guard = cf::lock_acquire "map_find:$path";
1373	my $map = new_from_path cf::map $path	1976	my $map = new_from_path cf::map $path
1374	or return;	1977	or return;
1375		1978
1376	$map->{last_save} = $cf::RUNTIME;	1979	$map->{last_save} = $cf::RUNTIME;
1377		1980
1378	$map->load_header	1981	$map->load_header
1379	or return;	1982	or return;
1380		1983
1381	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1984	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1382	# doing this can freeze the server in a sync job, obviously	1985	# doing this can freeze the server in a sync job, obviously
1383	#$cf::WAIT_FOR_TICK->wait;	1986	#$cf::WAIT_FOR_TICK->wait;
		1987	undef $guard2;
		1988	undef $guard1;
1384	$map->reset;	1989	$map->reset;
1385	undef $guard;
1386	return find $path;	1990	return find $path;
1387	}	1991	}
1388		1992
1389	$cf::MAP{$path} = $map	1993	$cf::MAP{$path} = $map
1390	}	1994	}
…		…
1397	my ($self) = @_;	2001	my ($self) = @_;
1398		2002
1399	local $self->{deny_reset} = 1; # loading can take a long time	2003	local $self->{deny_reset} = 1; # loading can take a long time
1400		2004
1401	my $path = $self->{path};	2005	my $path = $self->{path};
		2006
		2007	{
1402	my $guard = cf::lock_acquire "map_load:$path";	2008	my $guard = cf::lock_acquire "map_data:$path";
1403		2009
		2010	return unless $self->valid;
1404	return if $self->in_memory != cf::MAP_SWAPPED;	2011	return unless $self->in_memory == cf::MAP_SWAPPED;
1405		2012
1406	$self->in_memory (cf::MAP_LOADING);	2013	$self->in_memory (cf::MAP_LOADING);
1407		2014
1408	$self->alloc;	2015	$self->alloc;
1409		2016
1410	$self->pre_load;	2017	$self->pre_load;
		2018	cf::cede_to_tick;
1411		2019
1412	$self->_load_objects ($self->{load_path}, 1)	2020	my $f = new_from_file cf::object::thawer $self->{load_path};
		2021	$f->skip_block;
		2022	$self->_load_objects ($f)
1413	or return;	2023	or return;
1414		2024
1415	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2025	$self->post_load_original
1416	if delete $self->{load_original};	2026	if delete $self->{load_original};
1417		2027
1418	if (my $uniq = $self->uniq_path) {	2028	if (my $uniq = $self->uniq_path) {
1419	utf8::encode $uniq;	2029	utf8::encode $uniq;
1420	if (aio_open $uniq, O_RDONLY, 0) {	2030	unless (aio_stat $uniq) {
		2031	if (my $f = new_from_file cf::object::thawer $uniq) {
1421	$self->clear_unique_items;	2032	$self->clear_unique_items;
1422	$self->_load_objects ($uniq, 0);	2033	$self->_load_objects ($f);
		2034	$f->resolve_delayed_derefs;
		2035	}
1423	}	2036	}
1424	}	2037	}
1425		2038
1426	Coro::cede;	2039	$f->resolve_delayed_derefs;
1427		2040
		2041	cf::cede_to_tick;
1428	# now do the right thing for maps	2042	# now do the right thing for maps
1429	$self->link_multipart_objects;	2043	$self->link_multipart_objects;
1430
1431	unless ($self->{deny_activate}) {
1432	$self->decay_objects;
1433	$self->fix_auto_apply;
1434	$self->update_buttons;
1435	Coro::cede;
1436	$self->set_darkness_map;
1437	$self->difficulty ($self->estimate_difficulty)	2044	$self->difficulty ($self->estimate_difficulty)
1438	unless $self->difficulty;	2045	unless $self->difficulty;
1439	Coro::cede;	2046	cf::cede_to_tick;
		2047
		2048	unless ($self->{deny_activate}) {
		2049	$self->decay_objects;
		2050	$self->fix_auto_apply;
		2051	$self->update_buttons;
		2052	cf::cede_to_tick;
1440	$self->activate;	2053	$self->activate;
		2054	}
		2055
		2056	$self->{last_save} = $cf::RUNTIME;
		2057	$self->last_access ($cf::RUNTIME);
		2058
		2059	$self->in_memory (cf::MAP_ACTIVE);
1441	}	2060	}
1442		2061
1443	$self->post_load;	2062	$self->post_load;
1444
1445	$self->in_memory (cf::MAP_IN_MEMORY);
1446	}	2063	}
1447		2064
1448	sub customise_for {	2065	sub customise_for {
1449	my ($self, $ob) = @_;	2066	my ($self, $ob) = @_;
1450		2067
1451	return find "~" . $ob->name . "/" . $self->{path}	2068	return find "~" . $ob->name . "/" . $self->{path}
1452	if $self->per_player;	2069	if $self->per_player;
1453		2070
		2071	# return find "?party/" . $ob->name . "/" . $self->{path}
		2072	# if $self->per_party;
		2073
1454	$self	2074	$self
1455	}	2075	}
1456		2076
1457	# find and load all maps in the 3x3 area around a map	2077	# find and load all maps in the 3x3 area around a map
1458	sub load_diag {	2078	sub load_neighbours {
1459	my ($map) = @_;	2079	my ($map) = @_;
1460		2080
1461	my @diag; # diagonal neighbours	2081	my @neigh; # diagonal neighbours
1462		2082
1463	for (0 .. 3) {	2083	for (0 .. 3) {
1464	my $neigh = $map->tile_path ($_)	2084	my $neigh = $map->tile_path ($_)
1465	or next;	2085	or next;
1466	$neigh = find $neigh, $map	2086	$neigh = find $neigh, $map
1467	or next;	2087	or next;
1468	$neigh->load;	2088	$neigh->load;
1469		2089
		2090	push @neigh,
1470	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2091	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1471	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2092	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1472	}	2093	}
1473		2094
1474	for (@diag) {	2095	for (grep defined $_->[0], @neigh) {
		2096	my ($path, $origin) = @$_;
1475	my $neigh = find @$_	2097	my $neigh = find $path, $origin
1476	or next;	2098	or next;
1477	$neigh->load;	2099	$neigh->load;
1478	}	2100	}
1479	}	2101	}
1480		2102
…		…
1485	}	2107	}
1486		2108
1487	sub do_load_sync {	2109	sub do_load_sync {
1488	my ($map) = @_;	2110	my ($map) = @_;
1489		2111
		2112	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2113	if $Coro::current == $Coro::main;
		2114
1490	cf::sync_job { $map->load };	2115	cf::sync_job { $map->load };
1491	}	2116	}
1492		2117
1493	our %MAP_PREFETCH;	2118	our %MAP_PREFETCH;
1494	our $MAP_PREFETCHER = undef;	2119	our $MAP_PREFETCHER = undef;
1495		2120
1496	sub find_async {	2121	sub find_async {
1497	my ($path, $origin) = @_;	2122	my ($path, $origin, $load) = @_;
1498		2123
1499	$path = normalise $path, $origin && $origin->{path};	2124	$path = normalise $path, $origin && $origin->{path};
1500		2125
1501	if (my $map = $cf::MAP{$path}) {	2126	if (my $map = $cf::MAP{$path}) {
1502	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2127	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1503	}	2128	}
1504		2129
1505	undef $MAP_PREFETCH{$path};	2130	$MAP_PREFETCH{$path} |= $load;
		2131
1506	$MAP_PREFETCHER ||= cf::async {	2132	$MAP_PREFETCHER ||= cf::async {
		2133	$Coro::current->{desc} = "map prefetcher";
		2134
1507	while (%MAP_PREFETCH) {	2135	while (%MAP_PREFETCH) {
1508	for my $path (keys %MAP_PREFETCH) {	2136	while (my ($k, $v) = each %MAP_PREFETCH) {
1509	my $map = find $path	2137	if (my $map = find $k) {
1510	or next;
1511	$map->load;	2138	$map->load if $v;
		2139	}
1512		2140
1513	delete $MAP_PREFETCH{$path};	2141	delete $MAP_PREFETCH{$k};
1514	}	2142	}
1515	}	2143	}
1516	undef $MAP_PREFETCHER;	2144	undef $MAP_PREFETCHER;
1517	};	2145	};
1518	$MAP_PREFETCHER->prio (6);	2146	$MAP_PREFETCHER->prio (6);
…		…
1521	}	2149	}
1522		2150
1523	sub save {	2151	sub save {
1524	my ($self) = @_;	2152	my ($self) = @_;
1525		2153
1526	my $lock = cf::lock_acquire "map_data:" . $self->path;	2154	my $lock = cf::lock_acquire "map_data:$self->{path}";
1527		2155
1528	$self->{last_save} = $cf::RUNTIME;	2156	$self->{last_save} = $cf::RUNTIME;
1529		2157
1530	return unless $self->dirty;	2158	return unless $self->dirty;
1531		2159
…		…
1537	return if $self->{deny_save};	2165	return if $self->{deny_save};
1538		2166
1539	local $self->{last_access} = $self->last_access;#d#	2167	local $self->{last_access} = $self->last_access;#d#
1540		2168
1541	cf::async {	2169	cf::async {
		2170	$Coro::current->{desc} = "map player save";
1542	$_->contr->save for $self->players;	2171	$_->contr->save for $self->players;
1543	};	2172	};
		2173
		2174	cf::get_slot 0.02;
1544		2175
1545	if ($uniq) {	2176	if ($uniq) {
1546	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2177	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1547	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2178	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1548	} else {	2179	} else {
…		…
1554	my ($self) = @_;	2185	my ($self) = @_;
1555		2186
1556	# save first because save cedes	2187	# save first because save cedes
1557	$self->save;	2188	$self->save;
1558		2189
1559	my $lock = cf::lock_acquire "map_data:" . $self->path;	2190	my $lock = cf::lock_acquire "map_data:$self->{path}";
1560		2191
1561	return if $self->players;	2192	return if $self->players;
1562	return if $self->in_memory != cf::MAP_IN_MEMORY;	2193	return if $self->in_memory != cf::MAP_ACTIVE;
1563	return if $self->{deny_save};	2194	return if $self->{deny_save};
1564		2195
		2196	$self->in_memory (cf::MAP_SWAPPED);
		2197
		2198	$self->deactivate;
		2199	$_->clear_links_to ($self) for values %cf::MAP;
1565	$self->clear;	2200	$self->clear;
1566	$self->in_memory (cf::MAP_SWAPPED);
1567	}	2201	}
1568		2202
1569	sub reset_at {	2203	sub reset_at {
1570	my ($self) = @_;	2204	my ($self) = @_;
1571		2205
1572	# TODO: safety, remove and allow resettable per-player maps	2206	# TODO: safety, remove and allow resettable per-player maps
1573	return 1e99 if $self->isa ("ext::map_per_player");#d#
1574	return 1e99 if $self->{deny_reset};	2207	return 1e99 if $self->{deny_reset};
1575		2208
1576	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2209	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1577	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2210	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1578		2211
…		…
1589	my ($self) = @_;	2222	my ($self) = @_;
1590		2223
1591	my $lock = cf::lock_acquire "map_data:$self->{path}";	2224	my $lock = cf::lock_acquire "map_data:$self->{path}";
1592		2225
1593	return if $self->players;	2226	return if $self->players;
1594	return if $self->isa ("ext::map_per_player");#d#
1595		2227
1596	warn "resetting map ", $self->path;#d#	2228	warn "resetting map ", $self->path;
1597		2229
1598	$self->in_memory (cf::MAP_SWAPPED);	2230	$self->in_memory (cf::MAP_SWAPPED);
1599		2231
1600	# need to save uniques path	2232	# need to save uniques path
1601	unless ($self->{deny_save}) {	2233	unless ($self->{deny_save}) {
…		…
1605	if $uniq;	2237	if $uniq;
1606	}	2238	}
1607		2239
1608	delete $cf::MAP{$self->path};	2240	delete $cf::MAP{$self->path};
1609		2241
		2242	$self->deactivate;
		2243	$_->clear_links_to ($self) for values %cf::MAP;
1610	$self->clear;	2244	$self->clear;
1611
1612	$_->clear_links_to ($self) for values %cf::MAP;
1613		2245
1614	$self->unlink_save;	2246	$self->unlink_save;
1615	$self->destroy;	2247	$self->destroy;
1616	}	2248	}
1617		2249
1618	my $nuke_counter = "aaaa";	2250	my $nuke_counter = "aaaa";
1619		2251
1620	sub nuke {	2252	sub nuke {
1621	my ($self) = @_;	2253	my ($self) = @_;
1622		2254
		2255	{
		2256	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2257
1623	delete $cf::MAP{$self->path};	2258	delete $cf::MAP{$self->path};
1624		2259
1625	$self->unlink_save;	2260	$self->unlink_save;
1626		2261
1627	bless $self, "cf::map";	2262	bless $self, "cf::map";
1628	delete $self->{deny_reset};	2263	delete $self->{deny_reset};
1629	$self->{deny_save} = 1;	2264	$self->{deny_save} = 1;
1630	$self->reset_timeout (1);	2265	$self->reset_timeout (1);
1631	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2266	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1632		2267
1633	$cf::MAP{$self->path} = $self;	2268	$cf::MAP{$self->path} = $self;
		2269	}
1634		2270
1635	$self->reset; # polite request, might not happen	2271	$self->reset; # polite request, might not happen
		2272	}
		2273
		2274	=item $maps = cf::map::tmp_maps
		2275
		2276	Returns an arrayref with all map paths of currently instantiated and saved
		2277	maps. May block.
		2278
		2279	=cut
		2280
		2281	sub tmp_maps() {
		2282	[
		2283	map {
		2284	utf8::decode $_;
		2285	/\.map$/
		2286	? normalise $_
		2287	: ()
		2288	} @{ aio_readdir $TMPDIR or [] }
		2289	]
		2290	}
		2291
		2292	=item $maps = cf::map::random_maps
		2293
		2294	Returns an arrayref with all map paths of currently instantiated and saved
		2295	random maps. May block.
		2296
		2297	=cut
		2298
		2299	sub random_maps() {
		2300	[
		2301	map {
		2302	utf8::decode $_;
		2303	/\.map$/
		2304	? normalise "?random/$_"
		2305	: ()
		2306	} @{ aio_readdir $RANDOMDIR or [] }
		2307	]
1636	}	2308	}
1637		2309
1638	=item cf::map::unique_maps	2310	=item cf::map::unique_maps
1639		2311
1640	Returns an arrayref of paths of all shared maps that have	2312	Returns an arrayref of paths of all shared maps that have
1641	instantiated unique items. May block.	2313	instantiated unique items. May block.
1642		2314
1643	=cut	2315	=cut
1644		2316
1645	sub unique_maps() {	2317	sub unique_maps() {
1646	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2318	[
1647	or return;	2319	map {
1648
1649	my @paths;
1650
1651	for (@$files) {
1652	utf8::decode $_;	2320	utf8::decode $_;
1653	next if /\.pst$/;	2321	s/\.map$//; # TODO future compatibility hack
1654	next unless /^$PATH_SEP/o;	2322	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1655		2323	? ()
1656	push @paths, cf::map::normalise $_;	2324	: normalise $_
		2325	} @{ aio_readdir $UNIQUEDIR or [] }
1657	}	2326	]
1658
1659	\@paths
1660	}	2327	}
1661
1662	package cf;
1663		2328
1664	=back	2329	=back
1665		2330
1666	=head3 cf::object	2331	=head3 cf::object
1667		2332
…		…
1671		2336
1672	=over 4	2337	=over 4
1673		2338
1674	=item $ob->inv_recursive	2339	=item $ob->inv_recursive
1675		2340
1676	Returns the inventory of the object _and_ their inventories, recursively.	2341	Returns the inventory of the object I<and> their inventories, recursively,
		2342	but I<not> the object itself.
1677		2343
1678	=cut	2344	=cut
1679		2345
1680	sub inv_recursive_;	2346	sub inv_recursive_;
1681	sub inv_recursive_ {	2347	sub inv_recursive_ {
…		…
1684		2350
1685	sub inv_recursive {	2351	sub inv_recursive {
1686	inv_recursive_ inv $_[0]	2352	inv_recursive_ inv $_[0]
1687	}	2353	}
1688		2354
		2355	=item $ref = $ob->ref
		2356
		2357	Creates and returns a persistent reference to an object that can be stored as a string.
		2358
		2359	=item $ob = cf::object::deref ($refstring)
		2360
		2361	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2362	even if the object actually exists. May block.
		2363
		2364	=cut
		2365
		2366	sub deref {
		2367	my ($ref) = @_;
		2368
		2369	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2370	my ($uuid, $name) = ($1, $2);
		2371	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2372	or return;
		2373	$pl->ob->uuid eq $uuid
		2374	or return;
		2375
		2376	$pl->ob
		2377	} else {
		2378	warn "$ref: cannot resolve object reference\n";
		2379	undef
		2380	}
		2381	}
		2382
1689	package cf;	2383	package cf;
1690		2384
1691	=back	2385	=back
1692		2386
1693	=head3 cf::object::player	2387	=head3 cf::object::player
…		…
1699	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2393	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1700	can be C<undef>. Does the right thing when the player is currently in a	2394	can be C<undef>. Does the right thing when the player is currently in a
1701	dialogue with the given NPC character.	2395	dialogue with the given NPC character.
1702		2396
1703	=cut	2397	=cut
		2398
		2399	our $SAY_CHANNEL = {
		2400	id => "say",
		2401	title => "Map",
		2402	reply => "say ",
		2403	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2404	};
		2405
		2406	our $CHAT_CHANNEL = {
		2407	id => "chat",
		2408	title => "Chat",
		2409	reply => "chat ",
		2410	tooltip => "Player chat and shouts, global to the server.",
		2411	};
1704		2412
1705	# rough implementation of a future "reply" method that works	2413	# rough implementation of a future "reply" method that works
1706	# with dialog boxes.	2414	# with dialog boxes.
1707	#TODO: the first argument must go, split into a $npc->reply_to ( method	2415	#TODO: the first argument must go, split into a $npc->reply_to ( method
1708	sub cf::object::player::reply($$$;$) {	2416	sub cf::object::player::reply($$$;$) {
…		…
1710		2418
1711	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2419	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1712		2420
1713	if ($self->{record_replies}) {	2421	if ($self->{record_replies}) {
1714	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2422	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2423
1715	} else {	2424	} else {
		2425	my $pl = $self->contr;
		2426
		2427	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2428	my $dialog = $pl->{npc_dialog};
		2429	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2430
		2431	} else {
1716	$msg = $npc->name . " says: $msg" if $npc;	2432	$msg = $npc->name . " says: $msg" if $npc;
1717	$self->message ($msg, $flags);	2433	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2434	}
1718	}	2435	}
		2436	}
		2437
		2438	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2439
		2440	=cut
		2441
		2442	sub cf::object::send_msg {
		2443	my $pl = shift->contr
		2444	or return;
		2445	$pl->send_msg (@_);
1719	}	2446	}
1720		2447
1721	=item $player_object->may ("access")	2448	=item $player_object->may ("access")
1722		2449
1723	Returns wether the given player is authorized to access resource "access"	2450	Returns wether the given player is authorized to access resource "access"
…		…
1736		2463
1737	=item $player_object->enter_link	2464	=item $player_object->enter_link
1738		2465
1739	Freezes the player and moves him/her to a special map (C<{link}>).	2466	Freezes the player and moves him/her to a special map (C<{link}>).
1740		2467
1741	The player should be reasonably safe there for short amounts of time. You	2468	The player should be reasonably safe there for short amounts of time (e.g.
1742	I<MUST> call C<leave_link> as soon as possible, though.	2469	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2470	though, as the palyer cannot control the character while it is on the link
		2471	map.
1743		2472
1744	Will never block.	2473	Will never block.
1745		2474
1746	=item $player_object->leave_link ($map, $x, $y)	2475	=item $player_object->leave_link ($map, $x, $y)
1747		2476
…		…
1770	$self->deactivate_recursive;	2499	$self->deactivate_recursive;
1771		2500
1772	return if UNIVERSAL::isa $self->map, "ext::map_link";	2501	return if UNIVERSAL::isa $self->map, "ext::map_link";
1773		2502
1774	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2503	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1775	if $self->map;	2504	if $self->map && $self->map->{path} ne "{link}";
1776		2505
1777	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2506	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1778	}	2507	}
1779		2508
1780	sub cf::object::player::leave_link {	2509	sub cf::object::player::leave_link {
1781	my ($self, $map, $x, $y) = @_;	2510	my ($self, $map, $x, $y) = @_;
		2511
		2512	return unless $self->contr->active;
1782		2513
1783	my $link_pos = delete $self->{_link_pos};	2514	my $link_pos = delete $self->{_link_pos};
1784		2515
1785	unless ($map) {	2516	unless ($map) {
1786	# restore original map position	2517	# restore original map position
…		…
1800	# use -1 or undef as default coordinates, not 0, 0	2531	# use -1 or undef as default coordinates, not 0, 0
1801	($x, $y) = ($map->enter_x, $map->enter_y)	2532	($x, $y) = ($map->enter_x, $map->enter_y)
1802	if $x <=0 && $y <= 0;	2533	if $x <=0 && $y <= 0;
1803		2534
1804	$map->load;	2535	$map->load;
1805	$map->load_diag;	2536	$map->load_neighbours;
1806		2537
1807	return unless $self->contr->active;	2538	return unless $self->contr->active;
1808	$self->activate_recursive;
1809		2539
1810	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2540	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1811	$self->enter_map ($map, $x, $y);	2541	$self->enter_map ($map, $x, $y);
1812	}
1813		2542
1814	cf::player->attach (	2543	# only activate afterwards, to support waiting in hooks
1815	on_logout => sub {	2544	$self->activate_recursive;
1816	my ($pl) = @_;	2545	}
1817		2546
1818	# abort map switching before logout	2547	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1819	if ($pl->ob->{_link_pos}) {
1820	cf::sync_job {
1821	$pl->ob->leave_link
1822	};
1823	}
1824	},
1825	on_login => sub {
1826	my ($pl) = @_;
1827		2548
1828	# try to abort aborted map switching on player login :)	2549	Moves the player to the given map-path and coordinates by first freezing
1829	# should happen only on crashes	2550	her, loading and preparing them map, calling the provided $check callback
1830	if ($pl->ob->{_link_pos}) {	2551	that has to return the map if sucecssful, and then unfreezes the player on
1831	$pl->ob->enter_link;	2552	the new (success) or old (failed) map position. In either case, $done will
1832	(async {	2553	be called at the end of this process.
1833	$pl->ob->reply (undef,
1834	"There was an internal problem at your last logout, "
1835	. "the server will try to bring you to your intended destination in a second.",
1836	cf::NDI_RED);
1837	# we need this sleep as the login has a concurrent enter_exit running
1838	# and this sleep increases chances of the player not ending up in scorn
1839	Coro::Timer::sleep 1;
1840	$pl->ob->leave_link;
1841	})->prio (2);
1842	}
1843	},
1844	);
1845		2554
1846	=item $player_object->goto ($path, $x, $y)	2555	Note that $check will be called with a potentially non-loaded map, so if
		2556	it needs a loaded map it has to call C<< ->load >>.
1847		2557
1848	=cut	2558	=cut
		2559
		2560	our $GOTOGEN;
1849		2561
1850	sub cf::object::player::goto {	2562	sub cf::object::player::goto {
1851	my ($self, $path, $x, $y) = @_;	2563	my ($self, $path, $x, $y, $check, $done) = @_;
		2564
		2565	# do generation counting so two concurrent goto's will be executed in-order
		2566	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1852		2567
1853	$self->enter_link;	2568	$self->enter_link;
1854		2569
1855	(async {	2570	(async {
		2571	$Coro::current->{desc} = "player::goto $path $x $y";
		2572
		2573	# *tag paths override both path and x|y
		2574	if ($path =~ /^\*(.*)$/) {
		2575	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2576	my $ob = $obs[rand @obs];
		2577
		2578	# see if we actually can go there
		2579	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2580	$ob = $obs[rand @obs];
		2581	} else {
		2582	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2583	}
		2584	# else put us there anyways for now #d#
		2585
		2586	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2587	} else {
		2588	($path, $x, $y) = (undef, undef, undef);
		2589	}
		2590	}
		2591
1856	my $map = eval {	2592	my $map = eval {
1857	my $map = cf::map::find $path;	2593	my $map = defined $path ? cf::map::find $path : undef;
		2594
		2595	if ($map) {
1858	$map = $map->customise_for ($self) if $map;	2596	$map = $map->customise_for ($self);
		2597	$map = $check->($map) if $check && $map;
		2598	} else {
		2599	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2600	}
		2601
1859	$map	2602	$map
		2603	};
		2604
		2605	if ($@) {
		2606	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2607	LOG llevError | logBacktrace, Carp::longmess $@;
1860	} or	2608	}
1861	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1862		2609
		2610	if ($gen == $self->{_goto_generation}) {
		2611	delete $self->{_goto_generation};
1863	$self->leave_link ($map, $x, $y);	2612	$self->leave_link ($map, $x, $y);
		2613	}
		2614
		2615	$done->() if $done;
1864	})->prio (1);	2616	})->prio (1);
1865	}	2617	}
1866		2618
1867	=item $player_object->enter_exit ($exit_object)	2619	=item $player_object->enter_exit ($exit_object)
1868		2620
…		…
1888	}	2640	}
1889		2641
1890	sub prepare_random_map {	2642	sub prepare_random_map {
1891	my ($exit) = @_;	2643	my ($exit) = @_;
1892		2644
1893	my $guard = cf::lock_acquire "exit_prepare:$exit";
1894
1895	# all this does is basically replace the /! path by	2645	# all this does is basically replace the /! path by
1896	# a new random map path (?random/...) with a seed	2646	# a new random map path (?random/...) with a seed
1897	# that depends on the exit object	2647	# that depends on the exit object
1898		2648
1899	my $rmp = parse_random_map_params $exit->msg;	2649	my $rmp = parse_random_map_params $exit->msg;
…		…
1901	if ($exit->map) {	2651	if ($exit->map) {
1902	$rmp->{region} = $exit->region->name;	2652	$rmp->{region} = $exit->region->name;
1903	$rmp->{origin_map} = $exit->map->path;	2653	$rmp->{origin_map} = $exit->map->path;
1904	$rmp->{origin_x} = $exit->x;	2654	$rmp->{origin_x} = $exit->x;
1905	$rmp->{origin_y} = $exit->y;	2655	$rmp->{origin_y} = $exit->y;
		2656
		2657	$exit->map->touch;
1906	}	2658	}
1907		2659
1908	$rmp->{random_seed} ||= $exit->random_seed;	2660	$rmp->{random_seed} ||= $exit->random_seed;
1909		2661
1910	my $data = cf::to_json $rmp;	2662	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1911	my $md5 = Digest::MD5::md5_hex $data;	2663	my $md5 = Digest::MD5::md5_hex $data;
1912	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2664	my $meta = "$RANDOMDIR/$md5.meta";
1913		2665
1914	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2666	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1915	aio_write $fh, 0, (length $data), $data, 0;	2667	aio_write $fh, 0, (length $data), $data, 0;
1916	undef $fh;	2668	undef $fh;
1917	aio_rename "$meta~", $meta;	2669	aio_rename "$meta~", $meta;
1918		2670
		2671	my $slaying = "?random/$md5";
		2672
		2673	if ($exit->valid) {
1919	$exit->slaying ("?random/$md5");	2674	$exit->slaying ("?random/$md5");
1920	$exit->msg (undef);	2675	$exit->msg (undef);
		2676	}
1921	}	2677	}
1922	}	2678	}
1923		2679
1924	sub cf::object::player::enter_exit {	2680	sub cf::object::player::enter_exit {
1925	my ($self, $exit) = @_;	2681	my ($self, $exit) = @_;
1926		2682
1927	return unless $self->type == cf::PLAYER;	2683	return unless $self->type == cf::PLAYER;
1928		2684
1929	if ($exit->slaying eq "/!") {
1930	#TODO: this should de-fi-ni-te-ly not be a sync-job
1931	cf::sync_job { prepare_random_map $exit };
1932	}
1933
1934	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1935	my $hp = $exit->stats->hp;
1936	my $sp = $exit->stats->sp;
1937
1938	$self->enter_link;	2685	$self->enter_link;
1939		2686
1940	(async {	2687	(async {
1941	$self->deactivate_recursive; # just to be sure	2688	$Coro::current->{desc} = "enter_exit";
		2689
1942	unless (eval {	2690	unless (eval {
		2691	$self->deactivate_recursive; # just to be sure
		2692
		2693	# random map handling
		2694	{
		2695	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2696
		2697	prepare_random_map $exit
		2698	if $exit->slaying eq "/!";
		2699	}
		2700
		2701	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2702	my $x = $exit->stats->hp;
		2703	my $y = $exit->stats->sp;
		2704
1943	$self->goto ($slaying, $hp, $sp);	2705	$self->goto ($map, $x, $y);
1944		2706
		2707	# if exit is damned, update players death & WoR home-position
		2708	$self->contr->savebed ($map, $x, $y)
		2709	if $exit->flag (cf::FLAG_DAMNED);
		2710
1945	1;	2711	1
1946	}) {	2712	}) {
1947	$self->message ("Something went wrong deep within the crossfire server. "	2713	$self->message ("Something went wrong deep within the deliantra server. "
1948	. "I'll try to bring you back to the map you were before. "	2714	. "I'll try to bring you back to the map you were before. "
1949	. "Please report this to the dungeon master!",	2715	. "Please report this to the dungeon master!",
1950	cf::NDI_UNIQUE | cf::NDI_RED);	2716	cf::NDI_UNIQUE | cf::NDI_RED);
1951		2717
1952	warn "ERROR in enter_exit: $@";	2718	warn "ERROR in enter_exit: $@";
1953	$self->leave_link;	2719	$self->leave_link;
1954	}	2720	}
1955	})->prio (1);	2721	})->prio (1);
…		…
1968		2734
1969	sub cf::client::send_drawinfo {	2735	sub cf::client::send_drawinfo {
1970	my ($self, $text, $flags) = @_;	2736	my ($self, $text, $flags) = @_;
1971		2737
1972	utf8::encode $text;	2738	utf8::encode $text;
1973	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2739	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1974	}	2740	}
1975		2741
		2742	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2743
		2744	Send a drawinfo or msg packet to the client, formatting the msg for the
		2745	client if neccessary. C<$type> should be a string identifying the type of
		2746	the message, with C<log> being the default. If C<$color> is negative, suppress
		2747	the message unless the client supports the msg packet.
		2748
		2749	=cut
		2750
		2751	# non-persistent channels (usually the info channel)
		2752	our %CHANNEL = (
		2753	"c/identify" => {
		2754	id => "infobox",
		2755	title => "Identify",
		2756	reply => undef,
		2757	tooltip => "Items recently identified",
		2758	},
		2759	"c/examine" => {
		2760	id => "infobox",
		2761	title => "Examine",
		2762	reply => undef,
		2763	tooltip => "Signs and other items you examined",
		2764	},
		2765	"c/book" => {
		2766	id => "infobox",
		2767	title => "Book",
		2768	reply => undef,
		2769	tooltip => "The contents of a note or book",
		2770	},
		2771	"c/lookat" => {
		2772	id => "infobox",
		2773	title => "Look",
		2774	reply => undef,
		2775	tooltip => "What you saw there",
		2776	},
		2777	"c/who" => {
		2778	id => "infobox",
		2779	title => "Players",
		2780	reply => undef,
		2781	tooltip => "Shows players who are currently online",
		2782	},
		2783	"c/body" => {
		2784	id => "infobox",
		2785	title => "Body Parts",
		2786	reply => undef,
		2787	tooltip => "Shows which body parts you posess and are available",
		2788	},
		2789	"c/statistics" => {
		2790	id => "infobox",
		2791	title => "Statistics",
		2792	reply => undef,
		2793	tooltip => "Shows your primary statistics",
		2794	},
		2795	"c/skills" => {
		2796	id => "infobox",
		2797	title => "Skills",
		2798	reply => undef,
		2799	tooltip => "Shows your experience per skill and item power",
		2800	},
		2801	"c/shopitems" => {
		2802	id => "infobox",
		2803	title => "Shop Items",
		2804	reply => undef,
		2805	tooltip => "Shows the items currently for sale in this shop",
		2806	},
		2807	"c/resistances" => {
		2808	id => "infobox",
		2809	title => "Resistances",
		2810	reply => undef,
		2811	tooltip => "Shows your resistances",
		2812	},
		2813	"c/pets" => {
		2814	id => "infobox",
		2815	title => "Pets",
		2816	reply => undef,
		2817	tooltip => "Shows information abotu your pets/a specific pet",
		2818	},
		2819	"c/perceiveself" => {
		2820	id => "infobox",
		2821	title => "Perceive Self",
		2822	reply => undef,
		2823	tooltip => "You gained detailed knowledge about yourself",
		2824	},
		2825	"c/uptime" => {
		2826	id => "infobox",
		2827	title => "Uptime",
		2828	reply => undef,
		2829	tooltip => "How long the server has been running since last restart",
		2830	},
		2831	"c/mapinfo" => {
		2832	id => "infobox",
		2833	title => "Map Info",
		2834	reply => undef,
		2835	tooltip => "Information related to the maps",
		2836	},
		2837	"c/party" => {
		2838	id => "party",
		2839	title => "Party",
		2840	reply => "gsay ",
		2841	tooltip => "Messages and chat related to your party",
		2842	},
		2843	"c/death" => {
		2844	id => "death",
		2845	title => "Death",
		2846	reply => undef,
		2847	tooltip => "Reason for and more info about your most recent death",
		2848	},
		2849	"c/say" => $SAY_CHANNEL,
		2850	"c/chat" => $CHAT_CHANNEL,
		2851	);
		2852
		2853	sub cf::client::send_msg {
		2854	my ($self, $channel, $msg, $color, @extra) = @_;
		2855
		2856	$msg = $self->pl->expand_cfpod ($msg)
		2857	unless $color & cf::NDI_VERBATIM;
		2858
		2859	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2860
		2861	# check predefined channels, for the benefit of C
		2862	if ($CHANNEL{$channel}) {
		2863	$channel = $CHANNEL{$channel};
		2864
		2865	$self->ext_msg (channel_info => $channel);
		2866	$channel = $channel->{id};
		2867
		2868	} elsif (ref $channel) {
		2869	# send meta info to client, if not yet sent
		2870	unless (exists $self->{channel}{$channel->{id}}) {
		2871	$self->{channel}{$channel->{id}} = $channel;
		2872	$self->ext_msg (channel_info => $channel);
		2873	}
		2874
		2875	$channel = $channel->{id};
		2876	}
		2877
		2878	return unless @extra || length $msg;
		2879
		2880	# default colour, mask it out
		2881	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2882	if $color & cf::NDI_DEF;
		2883
		2884	my $pkt = "msg "
		2885	. $self->{json_coder}->encode (
		2886	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2887	);
		2888
		2889	# try lzf for large packets
		2890	$pkt = "lzf " . Compress::LZF::compress $pkt
		2891	if 1024 <= length $pkt and $self->{can_lzf};
		2892
		2893	# split very large packets
		2894	if (8192 < length $pkt and $self->{can_lzf}) {
		2895	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2896	$pkt = "frag";
		2897	}
		2898
		2899	$self->send_packet ($pkt);
		2900	}
		2901
		2902	=item $client->ext_msg ($type, @msg)
		2903
		2904	Sends an ext event to the client.
		2905
		2906	=cut
		2907
		2908	sub cf::client::ext_msg($$@) {
		2909	my ($self, $type, @msg) = @_;
		2910
		2911	if ($self->extcmd == 2) {
		2912	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2913	} elsif ($self->extcmd == 1) { # TODO: remove
		2914	push @msg, msgtype => "event_$type";
		2915	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2916	}
		2917	}
		2918
		2919	=item $client->ext_reply ($msgid, @msg)
		2920
		2921	Sends an ext reply to the client.
		2922
		2923	=cut
		2924
		2925	sub cf::client::ext_reply($$@) {
		2926	my ($self, $id, @msg) = @_;
		2927
		2928	if ($self->extcmd == 2) {
		2929	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2930	} elsif ($self->extcmd == 1) {
		2931	#TODO: version 1, remove
		2932	unshift @msg, msgtype => "reply", msgid => $id;
		2933	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2934	}
		2935	}
1976		2936
1977	=item $success = $client->query ($flags, "text", \&cb)	2937	=item $success = $client->query ($flags, "text", \&cb)
1978		2938
1979	Queues a query to the client, calling the given callback with	2939	Queues a query to the client, calling the given callback with
1980	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2940	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1981	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2941	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1982		2942
1983	Queries can fail, so check the return code. Or don't, as queries will become	2943	Queries can fail, so check the return code. Or don't, as queries will
1984	reliable at some point in the future.	2944	become reliable at some point in the future.
1985		2945
1986	=cut	2946	=cut
1987		2947
1988	sub cf::client::query {	2948	sub cf::client::query {
1989	my ($self, $flags, $text, $cb) = @_;	2949	my ($self, $flags, $text, $cb) = @_;
…		…
1997	utf8::encode $text;	2957	utf8::encode $text;
1998	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2958	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1999		2959
2000	$self->send_packet ($self->{query_queue}[0][0])	2960	$self->send_packet ($self->{query_queue}[0][0])
2001	if @{ $self->{query_queue} } == 1;	2961	if @{ $self->{query_queue} } == 1;
		2962
		2963	1
2002	}	2964	}
2003		2965
2004	cf::client->attach (	2966	cf::client->attach (
		2967	on_connect => sub {
		2968	my ($ns) = @_;
		2969
		2970	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2971	},
2005	on_reply => sub {	2972	on_reply => sub {
2006	my ($ns, $msg) = @_;	2973	my ($ns, $msg) = @_;
2007		2974
2008	# this weird shuffling is so that direct followup queries	2975	# this weird shuffling is so that direct followup queries
2009	# get handled first	2976	# get handled first
…		…
2021	} else {	2988	} else {
2022	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2989	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2023	}	2990	}
2024	}	2991	}
2025	},	2992	},
		2993	on_exticmd => sub {
		2994	my ($ns, $buf) = @_;
		2995
		2996	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2997
		2998	if (ref $msg) {
		2999	my ($type, $reply, @payload) =
		3000	"ARRAY" eq ref $msg
		3001	? @$msg
		3002	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3003
		3004	my @reply;
		3005
		3006	if (my $cb = $EXTICMD{$type}) {
		3007	@reply = $cb->($ns, @payload);
		3008	}
		3009
		3010	$ns->ext_reply ($reply, @reply)
		3011	if $reply;
		3012
		3013	} else {
		3014	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3015	}
		3016
		3017	cf::override;
		3018	},
2026	);	3019	);
2027		3020
2028	=item $client->async (\&cb)	3021	=item $client->async (\&cb)
2029		3022
2030	Create a new coroutine, running the specified callback. The coroutine will	3023	Create a new coroutine, running the specified callback. The coroutine will
…		…
2071	our $safe = new Safe "safe";	3064	our $safe = new Safe "safe";
2072	our $safe_hole = new Safe::Hole;	3065	our $safe_hole = new Safe::Hole;
2073		3066
2074	$SIG{FPE} = 'IGNORE';	3067	$SIG{FPE} = 'IGNORE';
2075		3068
2076	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3069	$safe->permit_only (Opcode::opset qw(
		3070	:base_core :base_mem :base_orig :base_math
		3071	grepstart grepwhile mapstart mapwhile
		3072	sort time
		3073	));
2077		3074
2078	# here we export the classes and methods available to script code	3075	# here we export the classes and methods available to script code
2079		3076
2080	=pod	3077	=pod
2081		3078
2082	The following fucntions and emthods are available within a safe environment:	3079	The following functions and methods are available within a safe environment:
2083		3080
2084	cf::object contr pay_amount pay_player map	3081	cf::object
		3082	contr pay_amount pay_player map x y force_find force_add destroy
		3083	insert remove name archname title slaying race decrease split
		3084	value
		3085
2085	cf::object::player player	3086	cf::object::player
2086	cf::player peaceful	3087	player
2087	cf::map trigger	3088
		3089	cf::player
		3090	peaceful
		3091
		3092	cf::map
		3093	trigger
2088		3094
2089	=cut	3095	=cut
2090		3096
2091	for (	3097	for (
2092	["cf::object" => qw(contr pay_amount pay_player map)],	3098	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3099	insert remove inv nrof name archname title slaying race
		3100	decrease split destroy change_exp value msg lore send_msg)],
2093	["cf::object::player" => qw(player)],	3101	["cf::object::player" => qw(player)],
2094	["cf::player" => qw(peaceful)],	3102	["cf::player" => qw(peaceful send_msg)],
2095	["cf::map" => qw(trigger)],	3103	["cf::map" => qw(trigger)],
2096	) {	3104	) {
2097	no strict 'refs';	3105	no strict 'refs';
2098	my ($pkg, @funs) = @$_;	3106	my ($pkg, @funs) = @$_;
2099	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3107	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2116	my ($code, %vars) = @_;	3124	my ($code, %vars) = @_;
2117		3125
2118	my $qcode = $code;	3126	my $qcode = $code;
2119	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3127	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2120	$qcode =~ s/\n/\\n/g;	3128	$qcode =~ s/\n/\\n/g;
		3129
		3130	%vars = (_dummy => 0) unless %vars;
2121		3131
2122	local $_;	3132	local $_;
2123	local @safe::cf::_safe_eval_args = values %vars;	3133	local @safe::cf::_safe_eval_args = values %vars;
2124		3134
2125	my $eval =	3135	my $eval =
…		…
2168	=back	3178	=back
2169		3179
2170	=cut	3180	=cut
2171		3181
2172	#############################################################################	3182	#############################################################################
2173
2174	=head2 EXTENSION DATABASE SUPPORT
2175
2176	Crossfire maintains a very simple database for extension use. It can
2177	currently store anything that can be serialised using Storable, which
2178	excludes objects.
2179
2180	The parameter C<$family> should best start with the name of the extension
2181	using it, it should be unique.
2182
2183	=over 4
2184
2185	=item $value = cf::db_get $family => $key
2186
2187	Returns a single value from the database.
2188
2189	=item cf::db_put $family => $key => $value
2190
2191	Stores the given C<$value> in the family.
2192
2193	=cut
2194
2195	our $DB;
2196
2197	sub db_init {
2198	unless ($DB) {
2199	$DB = BDB::db_create $DB_ENV;
2200
2201	cf::sync_job {
2202	eval {
2203	$DB->set_flags (BDB::CHKSUM);
2204
2205	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2206	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2207	cf::cleanup "db_open(db): $!" if $!;
2208	};
2209	cf::cleanup "db_open(db): $@" if $@;
2210	};
2211
2212	my $path = cf::localdir . "/database.pst";
2213	if (stat $path) {
2214	cf::sync_job {
2215	my $pst = Storable::retrieve $path;
2216
2217	cf::db_put (board => data => $pst->{board});
2218	cf::db_put (guildrules => data => $pst->{guildrules});
2219	cf::db_put (rent => balance => $pst->{rent}{balance});
2220	BDB::db_env_txn_checkpoint $DB_ENV;
2221
2222	unlink $path;
2223	};
2224	}
2225	}
2226	}
2227
2228	sub db_get($$) {
2229	my $key = "$_[0]/$_[1]";
2230
2231	cf::sync_job {
2232	BDB::db_get $DB, undef, $key, my $data;
2233
2234	$! ? ()
2235	: Compress::LZF::sthaw $data
2236	}
2237	}
2238
2239	sub db_put($$$) {
2240	BDB::dbreq_pri 4;
2241	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2242	}
2243
2244	#############################################################################
2245	# the server's init and main functions	3183	# the server's init and main functions
2246		3184
		3185	sub load_facedata($) {
		3186	my ($path) = @_;
		3187
		3188	# HACK to clear player env face cache, we need some signal framework
		3189	# for this (global event?)
		3190	%ext::player_env::MUSIC_FACE_CACHE = ();
		3191
		3192	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3193
		3194	warn "loading facedata from $path\n";
		3195
		3196	my $facedata;
		3197	0 < aio_load $path, $facedata
		3198	or die "$path: $!";
		3199
		3200	$facedata = Coro::Storable::thaw $facedata;
		3201
		3202	$facedata->{version} == 2
		3203	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3204
		3205	# patch in the exptable
		3206	$facedata->{resource}{"res/exp_table"} = {
		3207	type => FT_RSRC,
		3208	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3209	};
		3210	cf::cede_to_tick;
		3211
		3212	{
		3213	my $faces = $facedata->{faceinfo};
		3214
		3215	while (my ($face, $info) = each %$faces) {
		3216	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3217
		3218	cf::face::set_visibility $idx, $info->{visibility};
		3219	cf::face::set_magicmap $idx, $info->{magicmap};
		3220	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3221	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3222
		3223	cf::cede_to_tick;
		3224	}
		3225
		3226	while (my ($face, $info) = each %$faces) {
		3227	next unless $info->{smooth};
		3228
		3229	my $idx = cf::face::find $face
		3230	or next;
		3231
		3232	if (my $smooth = cf::face::find $info->{smooth}) {
		3233	cf::face::set_smooth $idx, $smooth;
		3234	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3235	} else {
		3236	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3237	}
		3238
		3239	cf::cede_to_tick;
		3240	}
		3241	}
		3242
		3243	{
		3244	my $anims = $facedata->{animinfo};
		3245
		3246	while (my ($anim, $info) = each %$anims) {
		3247	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3248	cf::cede_to_tick;
		3249	}
		3250
		3251	cf::anim::invalidate_all; # d'oh
		3252	}
		3253
		3254	{
		3255	# TODO: for gcfclient pleasure, we should give resources
		3256	# that gcfclient doesn't grok a >10000 face index.
		3257	my $res = $facedata->{resource};
		3258
		3259	while (my ($name, $info) = each %$res) {
		3260	if (defined $info->{type}) {
		3261	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3262	my $data;
		3263
		3264	if ($info->{type} & 1) {
		3265	# prepend meta info
		3266
		3267	my $meta = $enc->encode ({
		3268	name => $name,
		3269	%{ $info->{meta} || {} },
		3270	});
		3271
		3272	$data = pack "(w/a*)*", $meta, $info->{data};
		3273	} else {
		3274	$data = $info->{data};
		3275	}
		3276
		3277	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3278	cf::face::set_type $idx, $info->{type};
		3279	} else {
		3280	$RESOURCE{$name} = $info;
		3281	}
		3282
		3283	cf::cede_to_tick;
		3284	}
		3285	}
		3286
		3287	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3288
		3289	1
		3290	}
		3291
		3292	cf::global->attach (on_resource_update => sub {
		3293	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3294	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3295
		3296	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3297	my $sound = $soundconf->{compat}[$_]
		3298	or next;
		3299
		3300	my $face = cf::face::find "sound/$sound->[1]";
		3301	cf::sound::set $sound->[0] => $face;
		3302	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3303	}
		3304
		3305	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3306	my $face = cf::face::find "sound/$v";
		3307	cf::sound::set $k => $face;
		3308	}
		3309	}
		3310	});
		3311
		3312	register_exticmd fx_want => sub {
		3313	my ($ns, $want) = @_;
		3314
		3315	while (my ($k, $v) = each %$want) {
		3316	$ns->fx_want ($k, $v);
		3317	}
		3318	};
		3319
2247	sub load_resources {	3320	sub load_resource_file($) {
2248	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3321	my $guard = lock_acquire "load_resource_file";
		3322
		3323	my $status = load_resource_file_ $_[0];
		3324	get_slot 0.1, 100;
		3325	cf::arch::commit_load;
		3326
		3327	$status
		3328	}
		3329
		3330	sub reload_regions {
		3331	# HACK to clear player env face cache, we need some signal framework
		3332	# for this (global event?)
		3333	%ext::player_env::MUSIC_FACE_CACHE = ();
		3334
		3335	load_resource_file "$MAPDIR/regions"
2249	or die "unable to load regions file\n";#d#	3336	or die "unable to load regions file\n";
2250	}
2251		3337
2252	sub cfg_load {	3338	for (cf::region::list) {
		3339	$_->{match} = qr/$_->{match}/
		3340	if exists $_->{match};
		3341	}
		3342	}
		3343
		3344	sub reload_facedata {
		3345	load_facedata "$DATADIR/facedata"
		3346	or die "unable to load facedata\n";
		3347	}
		3348
		3349	sub reload_archetypes {
		3350	load_resource_file "$DATADIR/archetypes"
		3351	or die "unable to load archetypes\n";
		3352	}
		3353
		3354	sub reload_treasures {
		3355	load_resource_file "$DATADIR/treasures"
		3356	or die "unable to load treasurelists\n";
		3357	}
		3358
		3359	sub reload_resources {
		3360	warn "reloading resource files...\n";
		3361
		3362	reload_facedata;
		3363	reload_archetypes;
		3364	reload_regions;
		3365	reload_treasures;
		3366
		3367	warn "finished reloading resource files\n";
		3368	}
		3369
		3370	sub reload_config {
2253	open my $fh, "<:utf8", cf::confdir . "/config"	3371	open my $fh, "<:utf8", "$CONFDIR/config"
2254	or return;	3372	or return;
2255		3373
2256	local $/;	3374	local $/;
2257	*CFG = YAML::Syck::Load <$fh>;	3375	*CFG = YAML::Load <$fh>;
2258		3376
2259	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3377	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2260		3378
2261	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3379	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2262	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3380	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2268	};	3386	};
2269	warn $@ if $@;	3387	warn $@ if $@;
2270	}	3388	}
2271	}	3389	}
2272		3390
2273	sub init {	3391	sub pidfile() {
2274	load_resources;	3392	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3393	or die "$PIDFILE: $!";
		3394	flock $fh, &Fcntl::LOCK_EX
		3395	or die "$PIDFILE: flock: $!";
		3396	$fh
		3397	}
		3398
		3399	# make sure only one server instance is running at any one time
		3400	sub atomic {
		3401	my $fh = pidfile;
		3402
		3403	my $pid = <$fh>;
		3404	kill 9, $pid if $pid > 0;
		3405
		3406	seek $fh, 0, 0;
		3407	print $fh $$;
		3408	}
		3409
		3410	sub main_loop {
		3411	warn "EV::loop starting\n";
		3412	if (1) {
		3413	EV::loop;
		3414	}
		3415	warn "EV::loop returned\n";
		3416	goto &main_loop unless $REALLY_UNLOOP;
2275	}	3417	}
2276		3418
2277	sub main {	3419	sub main {
		3420	cf::init_globals; # initialise logging
		3421
		3422	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3423	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3424	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3425	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3426
		3427	cf::init_experience;
		3428	cf::init_anim;
		3429	cf::init_attackmess;
		3430	cf::init_dynamic;
		3431
		3432	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3433
2278	# we must not ever block the main coroutine	3434	# we must not ever block the main coroutine
2279	local $Coro::idle = sub {	3435	local $Coro::idle = sub {
2280	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3436	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2281	(async {	3437	(async {
2282	Event::one_event;	3438	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3439	EV::loop EV::LOOP_ONESHOT;
2283	})->prio (Coro::PRIO_MAX);	3440	})->prio (Coro::PRIO_MAX);
2284	};	3441	};
2285		3442
2286	cfg_load;	3443	evthread_start IO::AIO::poll_fileno;
		3444
		3445	cf::sync_job {
		3446	reload_resources;
		3447	reload_config;
2287	db_init;	3448	db_init;
		3449
		3450	cf::load_settings;
		3451	cf::load_materials;
		3452	cf::init_uuid;
		3453	cf::init_signals;
		3454	cf::init_commands;
		3455	cf::init_skills;
		3456
		3457	cf::init_beforeplay;
		3458
		3459	atomic;
		3460
2288	load_extensions;	3461	load_extensions;
2289		3462
2290	$TICK_WATCHER->start;	3463	utime time, time, $RUNTIMEFILE;
2291	Event::loop;	3464
		3465	# no (long-running) fork's whatsoever before this point(!)
		3466	use POSIX ();
		3467	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3468
		3469	(pop @POST_INIT)->(0) while @POST_INIT;
		3470	};
		3471
		3472	main_loop;
2292	}	3473	}
2293		3474
2294	#############################################################################	3475	#############################################################################
2295	# initialisation and cleanup	3476	# initialisation and cleanup
2296		3477
2297	# install some emergency cleanup handlers	3478	# install some emergency cleanup handlers
2298	BEGIN {	3479	BEGIN {
		3480	our %SIGWATCHER = ();
2299	for my $signal (qw(INT HUP TERM)) {	3481	for my $signal (qw(INT HUP TERM)) {
2300	Event->signal (	3482	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2301	reentrant => 0,
2302	data => WF_AUTOCANCEL,
2303	signal => $signal,
2304	prio => 0,
2305	cb => sub {
2306	cf::cleanup "SIG$signal";	3483	cf::cleanup "SIG$signal";
2307	},
2308	);	3484	};
		3485	}
		3486	}
		3487
		3488	sub write_runtime_sync {
		3489	# first touch the runtime file to show we are still running:
		3490	# the fsync below can take a very very long time.
		3491
		3492	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3493
		3494	my $guard = cf::lock_acquire "write_runtime";
		3495
		3496	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3497	or return;
		3498
		3499	my $value = $cf::RUNTIME + 90 + 10;
		3500	# 10 is the runtime save interval, for a monotonic clock
		3501	# 60 allows for the watchdog to kill the server.
		3502
		3503	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3504	and return;
		3505
		3506	# always fsync - this file is important
		3507	aio_fsync $fh
		3508	and return;
		3509
		3510	# touch it again to show we are up-to-date
		3511	aio_utime $fh, undef, undef;
		3512
		3513	close $fh
		3514	or return;
		3515
		3516	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3517	and return;
		3518
		3519	warn "runtime file written.\n";
		3520
2309	}	3521	1
		3522	}
		3523
		3524	our $uuid_lock;
		3525	our $uuid_skip;
		3526
		3527	sub write_uuid_sync($) {
		3528	$uuid_skip ||= $_[0];
		3529
		3530	return if $uuid_lock;
		3531	local $uuid_lock = 1;
		3532
		3533	my $uuid = "$LOCALDIR/uuid";
		3534
		3535	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3536	or return;
		3537
		3538	my $value = uuid_seq uuid_cur;
		3539
		3540	unless ($value) {
		3541	warn "cowardly refusing to write zero uuid value!\n";
		3542	return;
		3543	}
		3544
		3545	my $value = uuid_str $value + $uuid_skip;
		3546	$uuid_skip = 0;
		3547
		3548	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3549	and return;
		3550
		3551	# always fsync - this file is important
		3552	aio_fsync $fh
		3553	and return;
		3554
		3555	close $fh
		3556	or return;
		3557
		3558	aio_rename "$uuid~", $uuid
		3559	and return;
		3560
		3561	warn "uuid file written ($value).\n";
		3562
		3563	1
		3564
		3565	}
		3566
		3567	sub write_uuid($$) {
		3568	my ($skip, $sync) = @_;
		3569
		3570	$sync ? write_uuid_sync $skip
		3571	: async { write_uuid_sync $skip };
2310	}	3572	}
2311		3573
2312	sub emergency_save() {	3574	sub emergency_save() {
2313	my $freeze_guard = cf::freeze_mainloop;	3575	my $freeze_guard = cf::freeze_mainloop;
2314		3576
2315	warn "enter emergency perl save\n";	3577	warn "emergency_perl_save: enter\n";
2316		3578
2317	cf::sync_job {	3579	cf::sync_job {
		3580	# this is a trade-off: we want to be very quick here, so
		3581	# save all maps without fsync, and later call a global sync
		3582	# (which in turn might be very very slow)
		3583	local $USE_FSYNC = 0;
		3584
2318	# use a peculiar iteration method to avoid tripping on perl	3585	# use a peculiar iteration method to avoid tripping on perl
2319	# refcount bugs in for. also avoids problems with players	3586	# refcount bugs in for. also avoids problems with players
2320	# and maps saved/destroyed asynchronously.	3587	# and maps saved/destroyed asynchronously.
2321	warn "begin emergency player save\n";	3588	warn "emergency_perl_save: begin player save\n";
2322	for my $login (keys %cf::PLAYER) {	3589	for my $login (keys %cf::PLAYER) {
2323	my $pl = $cf::PLAYER{$login} or next;	3590	my $pl = $cf::PLAYER{$login} or next;
2324	$pl->valid or next;	3591	$pl->valid or next;
		3592	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2325	$pl->save;	3593	$pl->save;
2326	}	3594	}
2327	warn "end emergency player save\n";	3595	warn "emergency_perl_save: end player save\n";
2328		3596
2329	warn "begin emergency map save\n";	3597	warn "emergency_perl_save: begin map save\n";
2330	for my $path (keys %cf::MAP) {	3598	for my $path (keys %cf::MAP) {
2331	my $map = $cf::MAP{$path} or next;	3599	my $map = $cf::MAP{$path} or next;
2332	$map->valid or next;	3600	$map->valid or next;
2333	$map->save;	3601	$map->save;
2334	}	3602	}
2335	warn "end emergency map save\n";	3603	warn "emergency_perl_save: end map save\n";
2336		3604
2337	warn "begin emergency database checkpoint\n";	3605	warn "emergency_perl_save: begin database checkpoint\n";
2338	BDB::db_env_txn_checkpoint $DB_ENV;	3606	BDB::db_env_txn_checkpoint $DB_ENV;
2339	warn "end emergency database checkpoint\n";	3607	warn "emergency_perl_save: end database checkpoint\n";
		3608
		3609	warn "emergency_perl_save: begin write uuid\n";
		3610	write_uuid_sync 1;
		3611	warn "emergency_perl_save: end write uuid\n";
2340	};	3612	};
2341		3613
		3614	warn "emergency_perl_save: starting sync()\n";
		3615	IO::AIO::aio_sync sub {
		3616	warn "emergency_perl_save: finished sync()\n";
		3617	};
		3618
2342	warn "leave emergency perl save\n";	3619	warn "emergency_perl_save: leave\n";
2343	}	3620	}
2344		3621
2345	sub post_cleanup {	3622	sub post_cleanup {
2346	my ($make_core) = @_;	3623	my ($make_core) = @_;
2347		3624
2348	warn Carp::longmess "post_cleanup backtrace"	3625	warn Carp::longmess "post_cleanup backtrace"
2349	if $make_core;	3626	if $make_core;
2350	}
2351		3627
		3628	my $fh = pidfile;
		3629	unlink $PIDFILE if <$fh> == $$;
		3630	}
		3631
		3632	# a safer delete_package, copied from Symbol
		3633	sub clear_package($) {
		3634	my $pkg = shift;
		3635
		3636	# expand to full symbol table name if needed
		3637	unless ($pkg =~ /^main::.*::$/) {
		3638	$pkg = "main$pkg" if $pkg =~ /^::/;
		3639	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3640	$pkg .= '::' unless $pkg =~ /::$/;
		3641	}
		3642
		3643	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3644	my $stem_symtab = *{$stem}{HASH};
		3645
		3646	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3647	or return;
		3648
		3649	# clear all symbols
		3650	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3651	for my $name (keys %$leaf_symtab) {
		3652	_gv_clear *{"$pkg$name"};
		3653	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3654	}
		3655	warn "cleared package $pkg\n";#d#
		3656	}
		3657
2352	sub reload() {	3658	sub do_reload_perl() {
2353	# can/must only be called in main	3659	# can/must only be called in main
2354	if ($Coro::current != $Coro::main) {	3660	if ($Coro::current != $Coro::main) {
2355	warn "can only reload from main coroutine";	3661	warn "can only reload from main coroutine";
2356	return;	3662	return;
2357	}	3663	}
2358		3664
		3665	return if $RELOAD++;
		3666
		3667	my $t1 = EV::time;
		3668
		3669	while ($RELOAD) {
2359	warn "reloading...";	3670	warn "reloading...";
2360		3671
2361	warn "entering sync_job";	3672	warn "entering sync_job";
2362		3673
2363	cf::sync_job {	3674	cf::sync_job {
2364	cf::write_runtime; # external watchdog should not bark	3675	cf::write_runtime_sync; # external watchdog should not bark
2365	cf::emergency_save;	3676	cf::emergency_save;
2366	cf::write_runtime; # external watchdog should not bark	3677	cf::write_runtime_sync; # external watchdog should not bark
2367		3678
2368	warn "syncing database to disk";	3679	warn "syncing database to disk";
2369	BDB::db_env_txn_checkpoint $DB_ENV;	3680	BDB::db_env_txn_checkpoint $DB_ENV;
2370		3681
2371	# if anything goes wrong in here, we should simply crash as we already saved	3682	# if anything goes wrong in here, we should simply crash as we already saved
2372		3683
2373	warn "cancelling all WF_AUTOCANCEL watchers";
2374	for (Event::all_watchers) {
2375	$_->cancel if $_->data & WF_AUTOCANCEL;
2376	}
2377
2378	warn "flushing outstanding aio requests";	3684	warn "flushing outstanding aio requests";
2379	for (;;) {
2380	BDB::flush;
2381	IO::AIO::flush;
2382	Coro::cede;
2383	last unless IO::AIO::nreqs || BDB::nreqs;	3685	while (IO::AIO::nreqs || BDB::nreqs) {
2384	warn "iterate...";	3686	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2385	}
2386
2387	warn "cancelling all extension coros";
2388	$_->cancel for values %EXT_CORO;
2389	%EXT_CORO = ();
2390
2391	warn "removing commands";
2392	%COMMAND = ();
2393
2394	warn "removing ext commands";
2395	%EXTCMD = ();
2396
2397	warn "unloading/nuking all extensions";
2398	for my $pkg (@EXTS) {
2399	warn "... unloading $pkg";
2400
2401	if (my $cb = $pkg->can ("unload")) {
2402	eval {
2403	$cb->($pkg);
2404	1
2405	} or warn "$pkg unloaded, but with errors: $@";
2406	}	3687	}
2407		3688
2408	warn "... nuking $pkg";	3689	warn "cancelling all extension coros";
2409	Symbol::delete_package $pkg;	3690	$_->cancel for values %EXT_CORO;
2410	}	3691	%EXT_CORO = ();
2411		3692
2412	warn "unloading all perl modules loaded from $LIBDIR";	3693	warn "removing commands";
2413	while (my ($k, $v) = each %INC) {	3694	%COMMAND = ();
2414	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2415		3695
		3696	warn "removing ext/exti commands";
		3697	%EXTCMD = ();
		3698	%EXTICMD = ();
		3699
		3700	warn "unloading/nuking all extensions";
		3701	for my $pkg (@EXTS) {
2416	warn "... unloading $k";	3702	warn "... unloading $pkg";
2417	delete $INC{$k};
2418		3703
2419	$k =~ s/\.pm$//;
2420	$k =~ s/\//::/g;
2421
2422	if (my $cb = $k->can ("unload_module")) {	3704	if (my $cb = $pkg->can ("unload")) {
		3705	eval {
2423	$cb->();	3706	$cb->($pkg);
		3707	1
		3708	} or warn "$pkg unloaded, but with errors: $@";
		3709	}
		3710
		3711	warn "... clearing $pkg";
		3712	clear_package $pkg;
2424	}	3713	}
2425		3714
2426	Symbol::delete_package $k;	3715	warn "unloading all perl modules loaded from $LIBDIR";
		3716	while (my ($k, $v) = each %INC) {
		3717	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3718
		3719	warn "... unloading $k";
		3720	delete $INC{$k};
		3721
		3722	$k =~ s/\.pm$//;
		3723	$k =~ s/\//::/g;
		3724
		3725	if (my $cb = $k->can ("unload_module")) {
		3726	$cb->();
		3727	}
		3728
		3729	clear_package $k;
2427	}	3730	}
2428		3731
2429	warn "getting rid of safe::, as good as possible";	3732	warn "getting rid of safe::, as good as possible";
2430	Symbol::delete_package "safe::$_"	3733	clear_package "safe::$_"
2431	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3734	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2432		3735
2433	warn "unloading cf.pm \"a bit\"";	3736	warn "unloading cf.pm \"a bit\"";
2434	delete $INC{"cf.pm"};	3737	delete $INC{"cf.pm"};
		3738	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2435		3739
2436	# don't, removes xs symbols, too,	3740	# don't, removes xs symbols, too,
2437	# and global variables created in xs	3741	# and global variables created in xs
2438	#Symbol::delete_package __PACKAGE__;	3742	#clear_package __PACKAGE__;
2439		3743
2440	warn "unload completed, starting to reload now";	3744	warn "unload completed, starting to reload now";
2441		3745
2442	warn "reloading cf.pm";	3746	warn "reloading cf.pm";
2443	require cf;	3747	require cf;
2444	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3748	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2445		3749
2446	warn "loading config and database again";	3750	warn "loading config and database again";
2447	cf::cfg_load;	3751	cf::reload_config;
2448		3752
2449	warn "loading extensions";	3753	warn "loading extensions";
2450	cf::load_extensions;	3754	cf::load_extensions;
2451		3755
		3756	if ($REATTACH_ON_RELOAD) {
2452	warn "reattaching attachments to objects/players";	3757	warn "reattaching attachments to objects/players";
2453	_global_reattach;	3758	_global_reattach; # objects, sockets
2454	warn "reattaching attachments to maps";	3759	warn "reattaching attachments to maps";
2455	reattach $_ for values %MAP;	3760	reattach $_ for values %MAP;
		3761	warn "reattaching attachments to players";
		3762	reattach $_ for values %PLAYER;
		3763	}
2456		3764
2457	warn "loading reloadable resources";	3765	warn "running post_init jobs";
2458	load_resources;	3766	(pop @POST_INIT)->(1) while @POST_INIT;
2459		3767
2460	warn "leaving sync_job";	3768	warn "leaving sync_job";
2461		3769
2462	1	3770	1
2463	} or do {	3771	} or do {
2464	warn $@;	3772	warn $@;
2465	warn "error while reloading, exiting.";	3773	cf::cleanup "error while reloading, exiting.";
2466	exit 1;	3774	};
		3775
		3776	warn "reloaded";
		3777	--$RELOAD;
		3778	}
		3779
		3780	$t1 = EV::time - $t1;
		3781	warn "reload completed in ${t1}s\n";
		3782	};
		3783
		3784	our $RELOAD_WATCHER; # used only during reload
		3785
		3786	sub reload_perl() {
		3787	# doing reload synchronously and two reloads happen back-to-back,
		3788	# coro crashes during coro_state_free->destroy here.
		3789
		3790	$RELOAD_WATCHER ||= cf::async {
		3791	Coro::AIO::aio_wait cache_extensions;
		3792
		3793	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3794	do_reload_perl;
		3795	undef $RELOAD_WATCHER;
		3796	};
2467	};	3797	};
2468		3798	}
2469	warn "reloaded";
2470	};
2471
2472	our $RELOAD_WATCHER; # used only during reload
2473		3799
2474	register_command "reload" => sub {	3800	register_command "reload" => sub {
2475	my ($who, $arg) = @_;	3801	my ($who, $arg) = @_;
2476		3802
2477	if ($who->flag (FLAG_WIZ)) {	3803	if ($who->flag (FLAG_WIZ)) {
2478	$who->message ("reloading server.");	3804	$who->message ("reloading server.");
2479		3805	async {
2480	# doing reload synchronously and two reloads happen back-to-back,	3806	$Coro::current->{desc} = "perl_reload";
2481	# coro crashes during coro_state_free->destroy here.
2482
2483	$RELOAD_WATCHER ||= Event->timer (
2484	reentrant => 0,
2485	after => 0,
2486	data => WF_AUTOCANCEL,
2487	cb => sub {
2488	reload;	3807	reload_perl;
2489	undef $RELOAD_WATCHER;
2490	},
2491	);	3808	};
2492	}	3809	}
2493	};	3810	};
2494		3811
2495	unshift @INC, $LIBDIR;	3812	unshift @INC, $LIBDIR;
2496		3813
2497	my $bug_warning = 0;	3814	my $bug_warning = 0;
2498		3815
2499	$TICK_WATCHER = Event->timer (	3816	our @WAIT_FOR_TICK;
2500	reentrant => 0,	3817	our @WAIT_FOR_TICK_BEGIN;
2501	parked => 1,	3818
2502	prio => 0,	3819	sub wait_for_tick {
2503	at => $NEXT_TICK || $TICK,	3820	return if tick_inhibit || $Coro::current == $Coro::main;
2504	data => WF_AUTOCANCEL,	3821
2505	cb => sub {	3822	my $signal = new Coro::Signal;
		3823	push @WAIT_FOR_TICK, $signal;
		3824	$signal->wait;
		3825	}
		3826
		3827	sub wait_for_tick_begin {
		3828	return if tick_inhibit || $Coro::current == $Coro::main;
		3829
		3830	my $signal = new Coro::Signal;
		3831	push @WAIT_FOR_TICK_BEGIN, $signal;
		3832	$signal->wait;
		3833	}
		3834
		3835	sub tick {
2506	if ($Coro::current != $Coro::main) {	3836	if ($Coro::current != $Coro::main) {
2507	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3837	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2508	unless ++$bug_warning > 10;	3838	unless ++$bug_warning > 10;
2509	return;	3839	return;
2510	}	3840	}
2511		3841
2512	$NOW = Event::time;
2513
2514	cf::server_tick; # one server iteration	3842	cf::server_tick; # one server iteration
2515	$RUNTIME += $TICK;
2516	$NEXT_TICK += $TICK;
2517		3843
2518	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3844	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2519	$NEXT_RUNTIME_WRITE = $NOW + 10;	3845	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2520	Coro::async_pool {	3846	Coro::async_pool {
		3847	$Coro::current->{desc} = "runtime saver";
2521	write_runtime	3848	write_runtime_sync
2522	or warn "ERROR: unable to write runtime file: $!";	3849	or warn "ERROR: unable to write runtime file: $!";
2523	};
2524	}	3850	};
2525
2526
2527	$WAIT_FOR_TICK->broadcast;
2528	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2529
2530	# my $AFTER = Event::time;
2531	# warn $AFTER - $NOW;#d#
2532
2533	# if we are delayed by four ticks or more, skip them all
2534	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2535
2536	$TICK_WATCHER->at ($NEXT_TICK);
2537	$TICK_WATCHER->start;
2538	},	3851	}
2539	);	3852
		3853	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3854	$sig->send;
		3855	}
		3856	while (my $sig = shift @WAIT_FOR_TICK) {
		3857	$sig->send;
		3858	}
		3859
		3860	$LOAD = ($NOW - $TICK_START) / $TICK;
		3861	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3862
		3863	if (0) {
		3864	if ($NEXT_TICK) {
		3865	my $jitter = $TICK_START - $NEXT_TICK;
		3866	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3867	warn "jitter $JITTER\n";#d#
		3868	}
		3869	}
		3870	}
2540		3871
2541	{	3872	{
2542	BDB::max_poll_time $TICK * 0.1;	3873	# configure BDB
2543	$BDB_POLL_WATCHER = Event->io (	3874
2544	reentrant => 0,
2545	fd => BDB::poll_fileno,
2546	poll => 'r',
2547	prio => 0,
2548	data => WF_AUTOCANCEL,
2549	cb => \&BDB::poll_cb,
2550	);
2551	BDB::min_parallel 8;	3875	BDB::min_parallel 8;
2552		3876	BDB::max_poll_reqs $TICK * 0.1;
2553	BDB::set_sync_prepare {	3877	$AnyEvent::BDB::WATCHER->priority (1);
2554	my $status;
2555	my $current = $Coro::current;
2556	(
2557	sub {
2558	$status = $!;
2559	$current->ready; undef $current;
2560	},
2561	sub {
2562	Coro::schedule while defined $current;
2563	$! = $status;
2564	},
2565	)
2566	};
2567		3878
2568	unless ($DB_ENV) {	3879	unless ($DB_ENV) {
2569	$DB_ENV = BDB::db_env_create;	3880	$DB_ENV = BDB::db_env_create;
		3881	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3882	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3883	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3884	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3885	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2570		3886
2571	cf::sync_job {	3887	cf::sync_job {
2572	eval {	3888	eval {
2573	BDB::db_env_open	3889	BDB::db_env_open
2574	$DB_ENV,	3890	$DB_ENV,
2575	$BDB_ENV_DIR,	3891	$BDBDIR,
2576	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3892	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2577	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3893	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2578	0666;	3894	0666;
2579		3895
2580	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3896	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2581
2582	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2583	$DB_ENV->set_lk_detect;
2584	};	3897	};
2585		3898
2586	cf::cleanup "db_env_open(db): $@" if $@;	3899	cf::cleanup "db_env_open(db): $@" if $@;
2587	};	3900	};
2588	}	3901	}
		3902
		3903	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3904	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3905	};
		3906	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3907	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3908	};
		3909	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3910	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3911	};
2589	}	3912	}
2590		3913
2591	{	3914	{
		3915	# configure IO::AIO
		3916
2592	IO::AIO::min_parallel 8;	3917	IO::AIO::min_parallel 8;
2593
2594	undef $Coro::AIO::WATCHER;
2595	IO::AIO::max_poll_time $TICK * 0.1;	3918	IO::AIO::max_poll_time $TICK * 0.1;
2596	$AIO_POLL_WATCHER = Event->io (	3919	undef $AnyEvent::AIO::WATCHER;
2597	reentrant => 0,
2598	data => WF_AUTOCANCEL,
2599	fd => IO::AIO::poll_fileno,
2600	poll => 'r',
2601	prio => 6,
2602	cb => \&IO::AIO::poll_cb,
2603	);
2604	}	3920	}
		3921
		3922	my $_log_backtrace;
		3923
		3924	sub _log_backtrace {
		3925	my ($msg, @addr) = @_;
		3926
		3927	$msg =~ s/\n//;
		3928
		3929	# limit the # of concurrent backtraces
		3930	if ($_log_backtrace < 2) {
		3931	++$_log_backtrace;
		3932	my $perl_bt = Carp::longmess $msg;
		3933	async {
		3934	$Coro::current->{desc} = "abt $msg";
		3935
		3936	my @bt = fork_call {
		3937	@addr = map { sprintf "%x", $_ } @addr;
		3938	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3939	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3940	or die "addr2line: $!";
		3941
		3942	my @funcs;
		3943	my @res = <$fh>;
		3944	chomp for @res;
		3945	while (@res) {
		3946	my ($func, $line) = splice @res, 0, 2, ();
		3947	push @funcs, "[$func] $line";
		3948	}
		3949
		3950	@funcs
		3951	};
		3952
		3953	LOG llevInfo, "[ABT] $perl_bt\n";
		3954	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3955	LOG llevInfo, "[ABT] $_\n" for @bt;
		3956	--$_log_backtrace;
		3957	};
		3958	} else {
		3959	LOG llevInfo, "[ABT] $msg\n";
		3960	LOG llevInfo, "[ABT] [suppressed]\n";
		3961	}
		3962	}
		3963
		3964	# load additional modules
		3965	require "cf/$_.pm" for @EXTRA_MODULES;
2605		3966
2606	END { cf::emergency_save }	3967	END { cf::emergency_save }
2607		3968
2608	1	3969	1
2609		3970

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