ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.211 by root, Tue Feb 13 16:23:32 2007 UTC vs.
Revision 1.494 by root, Mon Oct 26 05:18:00 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 it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# 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 Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Storable;	31	use Socket;
		32	use EV;
9	use Opcode;	33	use Opcode;
10	use Safe;	34	use Safe;
11	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
12		38
		39	use Guard ();
13	use Coro 3.5 ();	40	use Coro ();
		41	use Coro::State;
		42	use Coro::Handle;
		43	use Coro::EV;
14	use Coro::Event;	44	use Coro::AnyEvent;
15	use Coro::Timer;	45	use Coro::Timer;
16	use Coro::Signal;	46	use Coro::Signal;
17	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
18	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
		52	use Coro::Storable;
		53	use Coro::Util ();
19		54
		55	use JSON::XS 2.01 ();
20	use BDB ();	56	use BDB ();
21	use Data::Dumper;	57	use Data::Dumper;
22	use Digest::MD5;	58	use Digest::MD5;
23	use Fcntl;	59	use Fcntl;
24	use IO::AIO 2.32 ();
25	use YAML::Syck ();	60	use YAML::XS ();
		61	use IO::AIO ();
26	use Time::HiRes;	62	use Time::HiRes;
27	use Compress::LZF;	63	use Compress::LZF;
		64	use Digest::MD5 ();
28		65
		66	AnyEvent::detect;
		67
		68	# configure various modules to our taste
		69	#
		70	$Storable::canonical = 1; # reduce rsync transfers
		71	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		72
		73	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		74
		75	# make sure c-lzf reinitialises itself
		76	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	77	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		78
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	79	# strictly for debugging
		80	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
32		81
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	82	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		83
40	our %COMMAND = ();	84	our %COMMAND = ();
41	our %COMMAND_TIME = ();	85	our %COMMAND_TIME = ();
42		86
43	our @EXTS = (); # list of extension package names	87	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	88	our %EXTCMD = ();
		89	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	90	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	91	our %EXT_MAP = (); # pluggable maps
47		92
		93	our $RELOAD; # number of reloads so far, non-zero while in reload
48	our @EVENT;	94	our @EVENT;
49	our $LIBDIR = datadir . "/ext";	95	our @REFLECT; # set by XS
		96	our %REFLECT; # set by us
50		97
51	our $TICK = MAX_TIME * 1e-6;	98	our $CONFDIR = confdir;
52	our $TICK_WATCHER;	99	our $DATADIR = datadir;
53	our $AIO_POLL_WATCHER;	100	our $LIBDIR = "$DATADIR/ext";
54	our $WRITE_RUNTIME_WATCHER;	101	our $PODDIR = "$DATADIR/pod";
		102	our $MAPDIR = "$DATADIR/" . mapdir;
		103	our $LOCALDIR = localdir;
		104	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		105	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		106	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		107	our $RANDOMDIR = "$LOCALDIR/random";
		108	our $BDBDIR = "$LOCALDIR/db";
		109	our $PIDFILE = "$LOCALDIR/pid";
		110	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		111
		112	our %RESOURCE;
		113
		114	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		115	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	116	our $NEXT_TICK;
56	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	117	our $USE_FSYNC = 1; # use fsync to write maps - default on
58		118
		119	our $BDB_DEADLOCK_WATCHER;
		120	our $BDB_CHECKPOINT_WATCHER;
59	our $BDB_POLL_WATCHER;	121	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	122	our $DB_ENV;
		123
		124	our @EXTRA_MODULES = qw(pod match mapscript);
61		125
62	our %CFG;	126	our %CFG;
63		127
64	our $UPTIME; $UPTIME ||= time;	128	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	129	our $RUNTIME;
		130	our $NOW;
66		131
67	our %PLAYER; # all users	132	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	133	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	134	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		135
76	# used to convert map paths into valid unix filenames by replacing / by ∕	136	# used to convert map paths into valid unix filenames by replacing / by ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	137	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		138
		139	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		140	our $LOADAVG; # same thing, but with alpha-smoothing
		141	our $JITTER; # average jitter
		142	our $TICK_START; # for load detecting purposes
		143
		144	our @POST_INIT;
		145
		146	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		147	our $REALLY_UNLOOP; # never set to true, please :)
		148
79	binmode STDOUT;	149	binmode STDOUT;
80	binmode STDERR;	150	binmode STDERR;
81		151
82	# read virtual server time, if available	152	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	153	unless ($RUNTIME || !-e $RUNTIMEFILE) {
84	open my $fh, "<", cf::localdir . "/runtime"	154	open my $fh, "<", $RUNTIMEFILE
85	or die "unable to read runtime file: $!";	155	or die "unable to read $RUNTIMEFILE file: $!";
86	$RUNTIME = <$fh> + 0.;	156	$RUNTIME = <$fh> + 0.;
87	}	157	}
88		158
89	mkdir cf::localdir;	159	eval "sub TICK() { $TICK } 1" or die;
90	mkdir cf::localdir . "/" . cf::playerdir;	160
91	mkdir cf::localdir . "/" . cf::tmpdir;	161	mkdir $_
92	mkdir cf::localdir . "/" . cf::uniquedir;	162	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		163
96	our $EMERGENCY_POSITION;	164	our $EMERGENCY_POSITION;
97		165
98	sub cf::map::normalise;	166	sub cf::map::normalise;
		167
		168	#############################################################################
		169
		170	%REFLECT = ();
		171	for (@REFLECT) {
		172	my $reflect = JSON::XS::decode_json $_;
		173	$REFLECT{$reflect->{class}} = $reflect;
		174	}
		175
		176	# this is decidedly evil
		177	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
99		178
100	#############################################################################	179	#############################################################################
101		180
102	=head2 GLOBAL VARIABLES	181	=head2 GLOBAL VARIABLES
103		182
…		…
110	=item $cf::RUNTIME	189	=item $cf::RUNTIME
111		190
112	The time this server has run, starts at 0 and is increased by $cf::TICK on	191	The time this server has run, starts at 0 and is increased by $cf::TICK on
113	every server tick.	192	every server tick.
114		193
115	=item $cf::LIBDIR	194	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		195	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		196	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116		197
117	The perl library directory, where extensions and cf-specific modules can	198	Various directories - "/etc", read-only install directory, perl-library
118	be found. It will be added to C<@INC> automatically.	199	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		200	unique-items directory, player file directory, random maps directory and
		201	database environment.
119		202
120	=item $cf::NOW	203	=item $cf::NOW
121		204
122	The time of the last (current) server tick.	205	The time of the last (current) server tick.
123		206
124	=item $cf::TICK	207	=item $cf::TICK
125		208
126	The interval between server ticks, in seconds.	209	The interval between server ticks, in seconds.
127		210
		211	=item $cf::LOADAVG
		212
		213	The current CPU load on the server (alpha-smoothed), as a value between 0
		214	(none) and 1 (overloaded), indicating how much time is spent on processing
		215	objects per tick. Healthy values are < 0.5.
		216
		217	=item $cf::LOAD
		218
		219	The raw value load value from the last tick.
		220
128	=item %cf::CFG	221	=item %cf::CFG
129		222
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	223	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	224	from wherever your confdir points to.
132		225
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	226	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		227
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	228	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	229	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	230	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.	231
		232	=item @cf::INVOKE_RESULTS
		233
		234	This array contains the results of the last C<invoke ()> call. When
		235	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		236	that call.
		237
		238	=item %cf::REFLECT
		239
		240	Contains, for each (C++) class name, a hash reference with information
		241	about object members (methods, scalars, arrays and flags) and other
		242	metadata, which is useful for introspection.
139		243
140	=back	244	=back
141		245
142	=cut	246	=cut
143		247
144	BEGIN {	248	$Coro::State::WARNHOOK = sub {
145	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	249	my $msg = join "", @_;
147	utf8::encode $msg;
148		250
149	$msg .= "\n"	251	$msg .= "\n"
150	unless $msg =~ /\n$/;	252	unless $msg =~ /\n$/;
151		253
		254	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		255
152	LOG llevError, $msg;	256	LOG llevError, $msg;
153	};	257	};
154	}	258
		259	$Coro::State::DIEHOOK = sub {
		260	return unless $^S eq 0; # "eq", not "=="
		261
		262	warn Carp::longmess $_[0];
		263
		264	if ($Coro::current == $Coro::main) {#d#
		265	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		266	return;#d#
		267	}#d#
		268
		269	# kill coroutine otherwise
		270	Coro::terminate
		271	};
155		272
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	273	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	274	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	275	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	276	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	277	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		278	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	279	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162		280
163	# we bless all objects into (empty) derived classes to force a method lookup	281	# we bless all objects into (empty) derived classes to force a method lookup
164	# within the Safe compartment.	282	# within the Safe compartment.
165	for my $pkg (qw(	283	for my $pkg (qw(
166	cf::global cf::attachable	284	cf::global cf::attachable
167	cf::object cf::object::player	285	cf::object cf::object::player
168	cf::client cf::player	286	cf::client cf::player
169	cf::arch cf::living	287	cf::arch cf::living
		288	cf::map cf::mapspace
170	cf::map cf::party cf::region	289	cf::party cf::region
171	)) {	290	)) {
172	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	291	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	292	}
175		293
176	$Event::DIED = sub {	294	$EV::DIED = sub {
177	warn "error in event callback: @_";	295	Carp::cluck "error in event callback: @_";
178	};	296	};
		297
		298	#############################################################################
179		299
180	=head2 UTILITY FUNCTIONS	300	=head2 UTILITY FUNCTIONS
181		301
182	=over 4	302	=over 4
183		303
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	322	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	323	$d
204	} || "[unable to dump $_[0]: '$@']";	324	} || "[unable to dump $_[0]: '$@']";
205	}	325	}
206		326
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	327	=item $ref = cf::decode_json $json
210		328
211	Converts a JSON string into the corresponding perl data structure.	329	Converts a JSON string into the corresponding perl data structure.
212		330
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	331	=item $json = cf::encode_json $ref
221		332
222	Converts a perl data structure into its JSON representation.	333	Converts a perl data structure into its JSON representation.
223		334
224	=cut	335	=cut
225		336
226	sub to_json($) {	337	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	338
228	JSON::Syck::Dump $_[0]	339	sub encode_json($) { $json_coder->encode ($_[0]) }
		340	sub decode_json($) { $json_coder->decode ($_[0]) }
		341
		342	=item cf::post_init { BLOCK }
		343
		344	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		345	but I<before> the server starts ticking again.
		346
		347	The cdoeblock will have a single boolean argument to indicate whether this
		348	is a reload or not.
		349
		350	=cut
		351
		352	sub post_init(&) {
		353	push @POST_INIT, shift;
229	}	354	}
230		355
231	=item cf::lock_wait $string	356	=item cf::lock_wait $string
232		357
233	Wait until the given lock is available. See cf::lock_acquire.	358	Wait until the given lock is available. See cf::lock_acquire.
234		359
235	=item my $lock = cf::lock_acquire $string	360	=item my $lock = cf::lock_acquire $string
236		361
237	Wait until the given lock is available and then acquires it and returns	362	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,	363	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	364	for example when the coroutine gets canceled), the lock is automatically
240	returned.	365	returned.
241		366
		367	Locks are *not* recursive, locking from the same coro twice results in a
		368	deadlocked coro.
		369
242	Lock names should begin with a unique identifier (for example, cf::map::find	370	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	371	uses map_find and cf::map::load uses map_load).
244		372
245	=cut	373	=item $locked = cf::lock_active $string
246		374
247	our %LOCK;	375	Return true if the lock is currently active, i.e. somebody has locked it.
		376
		377	=cut
		378
		379	our $LOCKS = new Coro::SemaphoreSet;
248		380
249	sub lock_wait($) {	381	sub lock_wait($) {
250	my ($key) = @_;	382	$LOCKS->wait ($_[0]);
251
252	# wait for lock, if any
253	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;
256	}
257	}	383	}
258		384
259	sub lock_acquire($) {	385	sub lock_acquire($) {
260	my ($key) = @_;	386	$LOCKS->guard ($_[0])
		387	}
261		388
262	# wait, to be sure we are not locked	389	sub lock_active($) {
263	lock_wait $key;	390	$LOCKS->count ($_[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	}	391	}
272		392
273	sub freeze_mainloop {	393	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	394	tick_inhibit_inc;
275		395
276	my $guard = Coro::guard {	396	&Guard::guard (\&tick_inhibit_dec);
277	$TICK_WATCHER->start;	397	}
278	$WRITE_RUNTIME_WATCHER->start;	398
		399	=item cf::periodic $interval, $cb
		400
		401	Like EV::periodic, but randomly selects a starting point so that the actions
		402	get spread over timer.
		403
		404	=cut
		405
		406	sub periodic($$) {
		407	my ($interval, $cb) = @_;
		408
		409	my $start = rand List::Util::min 180, $interval;
		410
		411	EV::periodic $start, $interval, 0, $cb
		412	}
		413
		414	=item cf::get_slot $time[, $priority[, $name]]
		415
		416	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		417	This call blocks and returns only when you have at least C<$time> seconds
		418	of cpu time till the next tick. The slot is only valid till the next cede.
		419
		420	The optional C<$name> can be used to identify the job to run. It might be
		421	used for statistical purposes and should identify the same time-class.
		422
		423	Useful for short background jobs.
		424
		425	=cut
		426
		427	our @SLOT_QUEUE;
		428	our $SLOT_QUEUE;
		429
		430	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		431	$SLOT_QUEUE = Coro::async {
		432	$Coro::current->desc ("timeslot manager");
		433
		434	my $signal = new Coro::Signal;
		435
		436	while () {
		437	next_job:
		438	my $avail = cf::till_tick;
		439	if ($avail > 0.01) {
		440	for (0 .. $#SLOT_QUEUE) {
		441	if ($SLOT_QUEUE[$_][0] < $avail) {
		442	my $job = splice @SLOT_QUEUE, $_, 1, ();
		443	$job->[2]->send;
		444	Coro::cede;
		445	goto next_job;
		446	}
		447	}
		448	}
		449
		450	if (@SLOT_QUEUE) {
		451	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		452	push @cf::WAIT_FOR_TICK, $signal;
		453	$signal->wait;
		454	} else {
		455	Coro::schedule;
		456	}
279	};	457	}
280	$WRITE_RUNTIME_WATCHER->stop;	458	};
281	$TICK_WATCHER->stop;	459
282	$guard	460	sub get_slot($;$$) {
		461	return if tick_inhibit || $Coro::current == $Coro::main;
		462
		463	my ($time, $pri, $name) = @_;
		464
		465	$time = $TICK * .6 if $time > $TICK * .6;
		466	my $sig = new Coro::Signal;
		467
		468	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		469	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		470	$SLOT_QUEUE->ready;
		471	$sig->wait;
283	}	472	}
284		473
285	=item cf::async { BLOCK }	474	=item cf::async { BLOCK }
286		475
287	Currently the same as Coro::async_pool, meaning you cannot use	476	Currently the same as Coro::async_pool, meaning you cannot use
…		…
292		481
293	BEGIN { *async = \&Coro::async_pool }	482	BEGIN { *async = \&Coro::async_pool }
294		483
295	=item cf::sync_job { BLOCK }	484	=item cf::sync_job { BLOCK }
296		485
297	The design of crossfire+ requires that the main coro ($Coro::main) is	486	The design of Deliantra requires that the main coroutine ($Coro::main)
298	always able to handle events or runnable, as crossfire+ is only partly	487	is always able to handle events or runnable, as Deliantra is only
299	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	488	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		489	acceptable.
300		490
301	If it must be done, put the blocking parts into C<sync_job>. This will run	491	If it must be done, put the blocking parts into C<sync_job>. This will run
302	the given BLOCK in another coroutine while waiting for the result. The	492	the given BLOCK in another coroutine while waiting for the result. The
303	server will be frozen during this time, so the block should either finish	493	server will be frozen during this time, so the block should either finish
304	fast or be very important.	494	fast or be very important.
…		…
307		497
308	sub sync_job(&) {	498	sub sync_job(&) {
309	my ($job) = @_;	499	my ($job) = @_;
310		500
311	if ($Coro::current == $Coro::main) {	501	if ($Coro::current == $Coro::main) {
		502	my $time = EV::time;
		503
312	# this is the main coro, too bad, we have to block	504	# this is the main coro, too bad, we have to block
313	# till the operation succeeds, freezing the server :/	505	# till the operation succeeds, freezing the server :/
314		506
315	# TODO: use suspend/resume instead	507	LOG llevError, Carp::longmess "sync job";#d#
316	# (but this is cancel-safe)	508
317	my $freeze_guard = freeze_mainloop;	509	my $freeze_guard = freeze_mainloop;
318		510
319	my $busy = 1;	511	my $busy = 1;
320	my @res;	512	my @res;
321		513
322	(async {	514	(async {
		515	$Coro::current->desc ("sync job coro");
323	@res = eval { $job->() };	516	@res = eval { $job->() };
324	warn $@ if $@;	517	warn $@ if $@;
325	undef $busy;	518	undef $busy;
326	})->prio (Coro::PRIO_MAX);	519	})->prio (Coro::PRIO_MAX);
327		520
328	while ($busy) {	521	while ($busy) {
329	Coro::cede or Event::one_event;	522	if (Coro::nready) {
		523	Coro::cede_notself;
		524	} else {
		525	EV::loop EV::LOOP_ONESHOT;
330	}	526	}
		527	}
		528
		529	my $time = EV::time - $time;
		530
		531	$TICK_START += $time; # do not account sync jobs to server load
331		532
332	wantarray ? @res : $res[0]	533	wantarray ? @res : $res[0]
333	} else {	534	} else {
334	# we are in another coroutine, how wonderful, everything just works	535	# we are in another coroutine, how wonderful, everything just works
335		536
…		…
355	$EXT_CORO{$coro+0} = $coro;	556	$EXT_CORO{$coro+0} = $coro;
356		557
357	$coro	558	$coro
358	}	559	}
359		560
360	sub write_runtime {	561	=item fork_call { }, $args
361	$TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1;
362		562
363	my $runtime = cf::localdir . "/runtime";	563	Executes the given code block with the given arguments in a seperate
		564	process, returning the results. Everything must be serialisable with
		565	Coro::Storable. May, of course, block. Note that the executed sub may
		566	never block itself or use any form of event handling.
364		567
365	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	568	=cut
366	or return;
367		569
368	my $value = $cf::RUNTIME + 90 + 10;	570	sub fork_call(&@) {
369	# 10 is the runtime save interval, for a monotonic clock	571	my ($cb, @args) = @_;
370	# 60 allows for the watchdog to kill the server.
371		572
372	(aio_write $fh, 0, (length $value), $value, 0) <= 0	573	# we seemingly have to make a local copy of the whole thing,
373	and return;	574	# otherwise perl prematurely frees the stuff :/
		575	# TODO: investigate and fix (likely this will be rather laborious)
374		576
375	# always fsync - this file is important	577	my @res = Coro::Util::fork_eval {
376	aio_fsync $fh	578	reset_signals;
377	and return;	579	&$cb
		580	}, @args;
378		581
379	close $fh	582	wantarray ? @res : $res[-1]
380	or return;	583	}
381		584
382	aio_rename "$runtime~", $runtime	585	=item $coin = coin_from_name $name
383	and return;
384		586
		587	=cut
		588
		589	our %coin_alias = (
		590	"silver" => "silvercoin",
		591	"silvercoin" => "silvercoin",
		592	"silvercoins" => "silvercoin",
		593	"gold" => "goldcoin",
		594	"goldcoin" => "goldcoin",
		595	"goldcoins" => "goldcoin",
		596	"platinum" => "platinacoin",
		597	"platinumcoin" => "platinacoin",
		598	"platinumcoins" => "platinacoin",
		599	"platina" => "platinacoin",
		600	"platinacoin" => "platinacoin",
		601	"platinacoins" => "platinacoin",
		602	"royalty" => "royalty",
		603	"royalties" => "royalty",
		604	);
		605
		606	sub coin_from_name($) {
		607	$coin_alias{$_[0]}
		608	? cf::arch::find $coin_alias{$_[0]}
		609	: undef
		610	}
		611
		612	=item $value = cf::db_get $family => $key
		613
		614	Returns a single value from the environment database.
		615
		616	=item cf::db_put $family => $key => $value
		617
		618	Stores the given C<$value> in the family. It can currently store binary
		619	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		620
		621	=item $db = cf::db_table "name"
		622
		623	Create and/or open a new database table. The string must not be "db" and must be unique
		624	within each server.
		625
		626	=cut
		627
		628	sub db_table($) {
		629	my ($name) = @_;
		630	my $db = BDB::db_create $DB_ENV;
		631
		632	eval {
		633	$db->set_flags (BDB::CHKSUM);
		634
		635	utf8::encode $name;
		636	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		637	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		638	cf::cleanup "db_open(db): $!" if $!;
		639	};
		640	cf::cleanup "db_open(db): $@" if $@;
		641
		642	$db
		643	}
		644
		645	our $DB;
		646
		647	sub db_init {
		648	cf::sync_job {
		649	$DB ||= db_table "db";
		650	};
		651	}
		652
		653	sub db_get($$) {
		654	my $key = "$_[0]/$_[1]";
		655
		656	cf::sync_job {
		657	BDB::db_get $DB, undef, $key, my $data;
		658
		659	$! ? ()
		660	: $data
385	1	661	}
		662	}
		663
		664	sub db_put($$$) {
		665	BDB::dbreq_pri 4;
		666	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		667	}
		668
		669	=item cf::cache $id => [$paths...], $processversion => $process
		670
		671	Generic caching function that returns the value of the resource $id,
		672	caching and regenerating as required.
		673
		674	This function can block.
		675
		676	=cut
		677
		678	sub cache {
		679	my ($id, $src, $processversion, $process) = @_;
		680
		681	my $meta =
		682	join "\x00",
		683	$processversion,
		684	map {
		685	aio_stat $_
		686	and Carp::croak "$_: $!";
		687
		688	($_, (stat _)[7,9])
		689	} @$src;
		690
		691	my $dbmeta = db_get cache => "$id/meta";
		692	if ($dbmeta ne $meta) {
		693	# changed, we may need to process
		694
		695	my @data;
		696	my $md5;
		697
		698	for (0 .. $#$src) {
		699	0 <= aio_load $src->[$_], $data[$_]
		700	or Carp::croak "$src->[$_]: $!";
		701	}
		702
		703	# if processing is expensive, check
		704	# checksum first
		705	if (1) {
		706	$md5 =
		707	join "\x00",
		708	$processversion,
		709	map {
		710	cf::cede_to_tick;
		711	($src->[$_], Digest::MD5::md5_hex $data[$_])
		712	} 0.. $#$src;
		713
		714
		715	my $dbmd5 = db_get cache => "$id/md5";
		716	if ($dbmd5 eq $md5) {
		717	db_put cache => "$id/meta", $meta;
		718
		719	return db_get cache => "$id/data";
		720	}
		721	}
		722
		723	my $t1 = Time::HiRes::time;
		724	my $data = $process->(\@data);
		725	my $t2 = Time::HiRes::time;
		726
		727	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		728
		729	db_put cache => "$id/data", $data;
		730	db_put cache => "$id/md5" , $md5;
		731	db_put cache => "$id/meta", $meta;
		732
		733	return $data;
		734	}
		735
		736	db_get cache => "$id/data"
		737	}
		738
		739	=item cf::datalog type => key => value, ...
		740
		741	Log a datalog packet of the given type with the given key-value pairs.
		742
		743	=cut
		744
		745	sub datalog($@) {
		746	my ($type, %kv) = @_;
		747	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
386	}	748	}
387		749
388	=back	750	=back
389		751
390	=cut	752	=cut
391		753
392	#############################################################################	754	#############################################################################
393		755
394	=head2 ATTACHABLE OBJECTS	756	=head2 ATTACHABLE OBJECTS
395		757
396	Many objects in crossfire are so-called attachable objects. That means you can	758	Many objects in deliantra are so-called attachable objects. That means you can
397	attach callbacks/event handlers (a collection of which is called an "attachment")	759	attach callbacks/event handlers (a collection of which is called an "attachment")
398	to it. All such attachable objects support the following methods.	760	to it. All such attachable objects support the following methods.
399		761
400	In the following description, CLASS can be any of C<global>, C<object>	762	In the following description, CLASS can be any of C<global>, C<object>
401	C<player>, C<client> or C<map> (i.e. the attachable objects in	763	C<player>, C<client> or C<map> (i.e. the attachable objects in
402	crossfire+).	764	Deliantra).
403		765
404	=over 4	766	=over 4
405		767
406	=item $attachable->attach ($attachment, key => $value...)	768	=item $attachable->attach ($attachment, key => $value...)
407		769
…		…
451	=item cf::CLASS::attachment $name, ...	813	=item cf::CLASS::attachment $name, ...
452		814
453	Register an attachment by C<$name> through which attachable objects of the	815	Register an attachment by C<$name> through which attachable objects of the
454	given CLASS can refer to this attachment.	816	given CLASS can refer to this attachment.
455		817
456	Some classes such as crossfire maps and objects can specify attachments	818	Some classes such as deliantra maps and objects can specify attachments
457	that are attached at load/instantiate time, thus the need for a name.	819	that are attached at load/instantiate time, thus the need for a name.
458		820
459	These calls expect any number of the following handler/hook descriptions:	821	These calls expect any number of the following handler/hook descriptions:
460		822
461	=over 4	823	=over 4
…		…
570	$registry = $CB_TYPE[$object_type] ||= [];	932	$registry = $CB_TYPE[$object_type] ||= [];
571		933
572	} elsif ($type eq "subtype") {	934	} elsif ($type eq "subtype") {
573	defined $object_type or Carp::croak "subtype specified without type";	935	defined $object_type or Carp::croak "subtype specified without type";
574	my $object_subtype = shift @arg;	936	my $object_subtype = shift @arg;
575	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	937	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
576		938
577	} elsif ($type eq "package") {	939	} elsif ($type eq "package") {
578	my $pkg = shift @arg;	940	my $pkg = shift @arg;
579		941
580	while (my ($name, $id) = each %cb_id) {	942	while (my ($name, $id) = each %cb_id) {
…		…
609	_attach $registry, $klass, @attach;	971	_attach $registry, $klass, @attach;
610	}	972	}
611		973
612	$obj->{$name} = \%arg;	974	$obj->{$name} = \%arg;
613	} else {	975	} else {
614	warn "object uses attachment '$name' that is not available, postponing.\n";	976	warn "object uses attachment '$name' which is not available, postponing.\n";
615	}	977	}
616		978
617	$obj->{_attachment}{$name} = undef;	979	$obj->{_attachment}{$name} = undef;
618	}	980	}
619		981
…		…
621	if (ref $_[0]) {	983	if (ref $_[0]) {
622	_object_attach @_;	984	_object_attach @_;
623	} else {	985	} else {
624	_attach shift->_attach_registry, @_;	986	_attach shift->_attach_registry, @_;
625	}	987	}
		988	_recalc_want;
626	};	989	};
627		990
628	# all those should be optimised	991	# all those should be optimised
629	sub cf::attachable::detach {	992	sub cf::attachable::detach {
630	my ($obj, $name) = @_;	993	my ($obj, $name) = @_;
…		…
633	delete $obj->{_attachment}{$name};	996	delete $obj->{_attachment}{$name};
634	reattach ($obj);	997	reattach ($obj);
635	} else {	998	} else {
636	Carp::croak "cannot, currently, detach class attachments";	999	Carp::croak "cannot, currently, detach class attachments";
637	}	1000	}
		1001	_recalc_want;
638	};	1002	};
639		1003
640	sub cf::attachable::attached {	1004	sub cf::attachable::attached {
641	my ($obj, $name) = @_;	1005	my ($obj, $name) = @_;
642		1006
…		…
657	";	1021	";
658	die if $@;	1022	die if $@;
659	}	1023	}
660		1024
661	our $override;	1025	our $override;
662	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1026	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
663		1027
664	sub override {	1028	sub override {
665	$override = 1;	1029	$override = 1;
666	@invoke_results = ();	1030	@INVOKE_RESULTS = (@_);
667	}	1031	}
668		1032
669	sub do_invoke {	1033	sub do_invoke {
670	my $event = shift;	1034	my $event = shift;
671	my $callbacks = shift;	1035	my $callbacks = shift;
672		1036
673	@invoke_results = ();	1037	@INVOKE_RESULTS = ();
674		1038
675	local $override;	1039	local $override;
676		1040
677	for (@$callbacks) {	1041	for (@$callbacks) {
678	eval { &{$_->[1]} };	1042	eval { &{$_->[1]} };
…		…
687	}	1051	}
688		1052
689	0	1053	0
690	}	1054	}
691		1055
692	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1056	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
693		1057
694	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1058	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
695		1059
696	Generate an object-specific event with the given arguments.	1060	Generate an object-specific event with the given arguments.
697		1061
698	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1062	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
699	removed in future versions), and there is no public API to access override	1063	removed in future versions), and there is no public API to access override
700	results (if you must, access C<@cf::invoke_results> directly).	1064	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
701		1065
702	=back	1066	=back
703		1067
704	=cut	1068	=cut
705		1069
706	#############################################################################	1070	#############################################################################
707	# object support	1071	# object support
		1072
		1073	sub _object_equal($$);
		1074	sub _object_equal($$) {
		1075	my ($a, $b) = @_;
		1076
		1077	return 0 unless (ref $a) eq (ref $b);
		1078
		1079	if ("HASH" eq ref $a) {
		1080	my @ka = keys %$a;
		1081	my @kb = keys %$b;
		1082
		1083	return 0 if @ka != @kb;
		1084
		1085	for (0 .. $#ka) {
		1086	return 0 unless $ka[$_] eq $kb[$_];
		1087	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1088	}
		1089
		1090	} elsif ("ARRAY" eq ref $a) {
		1091
		1092	return 0 if @$a != @$b;
		1093
		1094	for (0 .. $#$a) {
		1095	return 0 unless _object_equal $a->[$_], $b->[$_];
		1096	}
		1097
		1098	} elsif ($a ne $b) {
		1099	return 0;
		1100	}
		1101
		1102	1
		1103	}
		1104
		1105	our $SLOW_MERGES;#d#
		1106	sub _can_merge {
		1107	my ($ob1, $ob2) = @_;
		1108
		1109	++$SLOW_MERGES;#d#
		1110
		1111	# we do the slow way here
		1112	return _object_equal $ob1, $ob2
		1113	}
708		1114
709	sub reattach {	1115	sub reattach {
710	# basically do the same as instantiate, without calling instantiate	1116	# basically do the same as instantiate, without calling instantiate
711	my ($obj) = @_;	1117	my ($obj) = @_;
712		1118
		1119	# no longer needed after getting rid of delete_package?
713	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1120	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
714		1121
715	my $registry = $obj->registry;	1122	my $registry = $obj->registry;
716		1123
717	@$registry = ();	1124	@$registry = ();
718		1125
…		…
733	cf::attachable->attach (	1140	cf::attachable->attach (
734	prio => -1000000,	1141	prio => -1000000,
735	on_instantiate => sub {	1142	on_instantiate => sub {
736	my ($obj, $data) = @_;	1143	my ($obj, $data) = @_;
737		1144
738	$data = from_json $data;	1145	$data = decode_json $data;
739		1146
740	for (@$data) {	1147	for (@$data) {
741	my ($name, $args) = @$_;	1148	my ($name, $args) = @$_;
742		1149
743	$obj->attach ($name, %{$args || {} });	1150	$obj->attach ($name, %{$args || {} });
…		…
759	sub object_freezer_save {	1166	sub object_freezer_save {
760	my ($filename, $rdata, $objs) = @_;	1167	my ($filename, $rdata, $objs) = @_;
761		1168
762	sync_job {	1169	sync_job {
763	if (length $$rdata) {	1170	if (length $$rdata) {
		1171	utf8::decode (my $decname = $filename);
764	warn sprintf "saving %s (%d,%d)\n",	1172	warn sprintf "saving %s (%d,%d)\n",
765	$filename, length $$rdata, scalar @$objs;	1173	$decname, length $$rdata, scalar @$objs;
766		1174
767	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1175	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
768	chmod SAVE_MODE, $fh;	1176	aio_chmod $fh, SAVE_MODE;
769	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1177	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
770	aio_fsync $fh if $cf::USE_FSYNC;	1178	if ($cf::USE_FSYNC) {
		1179	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;
		1180	aio_fsync $fh;
		1181	}
771	close $fh;	1182	aio_close $fh;
772		1183
773	if (@$objs) {	1184	if (@$objs) {
774	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1185	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
775	chmod SAVE_MODE, $fh;	1186	aio_chmod $fh, SAVE_MODE;
776	my $data = Storable::nfreeze { version => 1, objs => $objs };	1187	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
777	aio_write $fh, 0, (length $data), $data, 0;	1188	aio_write $fh, 0, (length $data), $data, 0;
778	aio_fsync $fh if $cf::USE_FSYNC;	1189	if ($cf::USE_FSYNC) {
		1190	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;
		1191	aio_fsync $fh;
		1192	}
779	close $fh;	1193	aio_close $fh;
780	aio_rename "$filename.pst~", "$filename.pst";	1194	aio_rename "$filename.pst~", "$filename.pst";
781	}	1195	}
782	} else {	1196	} else {
783	aio_unlink "$filename.pst";	1197	aio_unlink "$filename.pst";
784	}	1198	}
785		1199
786	aio_rename "$filename~", $filename;	1200	aio_rename "$filename~", $filename;
		1201
		1202	$filename =~ s%/[^/]+$%%;
		1203	aio_pathsync $filename if $cf::USE_FSYNC;
787	} else {	1204	} else {
788	warn "FATAL: $filename~: $!\n";	1205	warn "unable to save objects: $filename~: $!\n";
789	}	1206	}
790	} else {	1207	} else {
791	aio_unlink $filename;	1208	aio_unlink $filename;
792	aio_unlink "$filename.pst";	1209	aio_unlink "$filename.pst";
793	}	1210	}
794
795	#d##TODO# nuke non .map-files if exist
796	if ($filename =~ s/\.map$//) {
797	aio_unlink $filename;
798	aio_unlink "$filename.pst";
799	}
800	}	1211	};
801	}	1212	}
802		1213
803	sub object_freezer_as_string {	1214	sub object_freezer_as_string {
804	my ($rdata, $objs) = @_;	1215	my ($rdata, $objs) = @_;
805		1216
…		…
810		1221
811	sub object_thawer_load {	1222	sub object_thawer_load {
812	my ($filename) = @_;	1223	my ($filename) = @_;
813		1224
814	my ($data, $av);	1225	my ($data, $av);
815
816	#d#TODO remove .map if file does not exist
817	aio_stat $filename and $filename =~ s/\.map$//;
818		1226
819	(aio_load $filename, $data) >= 0	1227	(aio_load $filename, $data) >= 0
820	or return;	1228	or return;
821		1229
822	unless (aio_stat "$filename.pst") {	1230	unless (aio_stat "$filename.pst") {
823	(aio_load "$filename.pst", $av) >= 0	1231	(aio_load "$filename.pst", $av) >= 0
824	or return;	1232	or return;
		1233
825	$av = eval { (Storable::thaw $av)->{objs} };	1234	my $st = eval { Coro::Storable::thaw $av };
		1235	$av = $st->{objs};
826	}	1236	}
827		1237
		1238	utf8::decode (my $decname = $filename);
828	warn sprintf "loading %s (%d)\n",	1239	warn sprintf "loading %s (%d,%d)\n",
829	$filename, length $data, scalar @{$av || []};#d#	1240	$decname, length $data, scalar @{$av || []};
		1241
830	return ($data, $av);	1242	($data, $av)
831	}	1243	}
		1244
		1245	=head2 COMMAND CALLBACKS
		1246
		1247	=over 4
		1248
		1249	=cut
832		1250
833	#############################################################################	1251	#############################################################################
834	# command handling &c	1252	# command handling &c
835		1253
836	=item cf::register_command $name => \&callback($ob,$args);	1254	=item cf::register_command $name => \&callback($ob,$args);
…		…
849	push @{ $COMMAND{$name} }, [$caller, $cb];	1267	push @{ $COMMAND{$name} }, [$caller, $cb];
850	}	1268	}
851		1269
852	=item cf::register_extcmd $name => \&callback($pl,$packet);	1270	=item cf::register_extcmd $name => \&callback($pl,$packet);
853		1271
854	Register a callbackf ro execution when the client sends an extcmd packet.	1272	Register a callback for execution when the client sends an (synchronous)
		1273	extcmd packet. Ext commands will be processed in the order they are
		1274	received by the server, like other user commands. The first argument is
		1275	the logged-in player. Ext commands can only be processed after a player
		1276	has logged in successfully.
855		1277
856	If the callback returns something, it is sent back as if reply was being	1278	If the callback returns something, it is sent back as if reply was being
857	called.	1279	called.
858		1280
		1281	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1282
		1283	Register a callback for execution when the client sends an (asynchronous)
		1284	exticmd packet. Exti commands are processed by the server as soon as they
		1285	are received, i.e. out of order w.r.t. other commands. The first argument
		1286	is a client socket. Exti commands can be received anytime, even before
		1287	log-in.
		1288
		1289	If the callback returns something, it is sent back as if reply was being
		1290	called.
		1291
859	=cut	1292	=cut
860		1293
861	sub register_extcmd {	1294	sub register_extcmd {
862	my ($name, $cb) = @_;	1295	my ($name, $cb) = @_;
863		1296
864	$EXTCMD{$name} = $cb;	1297	$EXTCMD{$name} = $cb;
865	}	1298	}
		1299
		1300	sub register_exticmd {
		1301	my ($name, $cb) = @_;
		1302
		1303	$EXTICMD{$name} = $cb;
		1304	}
		1305
		1306	use File::Glob ();
866		1307
867	cf::player->attach (	1308	cf::player->attach (
868	on_command => sub {	1309	on_command => sub {
869	my ($pl, $name, $params) = @_;	1310	my ($pl, $name, $params) = @_;
870		1311
…		…
878	cf::override;	1319	cf::override;
879	},	1320	},
880	on_extcmd => sub {	1321	on_extcmd => sub {
881	my ($pl, $buf) = @_;	1322	my ($pl, $buf) = @_;
882		1323
883	my $msg = eval { from_json $buf };	1324	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
884		1325
885	if (ref $msg) {	1326	if (ref $msg) {
		1327	my ($type, $reply, @payload) =
		1328	"ARRAY" eq ref $msg
		1329	? @$msg
		1330	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1331
		1332	my @reply;
		1333
886	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1334	if (my $cb = $EXTCMD{$type}) {
887	if (my %reply = $cb->($pl, $msg)) {	1335	@reply = $cb->($pl, @payload);
888	$pl->ext_reply ($msg->{msgid}, %reply);
889	}
890	}	1336	}
		1337
		1338	$pl->ext_reply ($reply, @reply)
		1339	if $reply;
		1340
891	} else {	1341	} else {
892	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1342	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
893	}	1343	}
894		1344
895	cf::override;	1345	cf::override;
896	},	1346	},
897	);	1347	);
898		1348
		1349	# "readahead" all extensions
899	sub load_extension {	1350	sub cache_extensions {
900	my ($path) = @_;	1351	my $grp = IO::AIO::aio_group;
901		1352
902	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1353	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
903	my $base = $1;	1354	for (grep /\.ext$/, @{$_[0]}) {
904	my $pkg = $1;	1355	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
905	$pkg =~ s/[^[:word:]]/_/g;
906	$pkg = "ext::$pkg";
907
908	warn "... loading '$path' into '$pkg'\n";
909
910	open my $fh, "<:utf8", $path
911	or die "$path: $!";
912
913	my $source =
914	"package $pkg; use strict; use utf8;\n"
915	. "#line 1 \"$path\"\n{\n"
916	. (do { local $/; <$fh> })
917	. "\n};\n1";
918
919	unless (eval $source) {
920	my $msg = $@ ? "$path: $@\n"
921	: "extension disabled.\n";
922	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
923	warn $@;
924	warn "mandatory extension failed to load, exiting.\n";
925	exit 1;
926	}	1356	}
927	die $@;
928	}	1357	};
929		1358
930	push @EXTS, $pkg;	1359	$grp
931	}	1360	}
932		1361
933	sub load_extensions {	1362	sub load_extensions {
		1363	cf::sync_job {
		1364	my %todo;
		1365
934	for my $ext (<$LIBDIR/*.ext>) {	1366	for my $path (<$LIBDIR/*.ext>) {
935	next unless -r $ext;	1367	next unless -r $path;
936	eval {	1368
937	load_extension $ext;	1369	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1370	my $base = $1;
		1371	my $pkg = $1;
		1372	$pkg =~ s/[^[:word:]]/_/g;
		1373	$pkg = "ext::$pkg";
		1374
		1375	open my $fh, "<:utf8", $path
		1376	or die "$path: $!";
		1377
		1378	my $source = do { local $/; <$fh> };
		1379
		1380	my %ext = (
		1381	path => $path,
		1382	base => $base,
		1383	pkg => $pkg,
		1384	);
		1385
		1386	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1387	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1388
		1389	$ext{source} =
		1390	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1391	. "#line 1 \"$path\"\n{\n"
		1392	. $source
		1393	. "\n};\n1";
		1394
		1395	$todo{$base} = \%ext;
		1396	}
		1397
		1398	my %done;
		1399	while (%todo) {
		1400	my $progress;
		1401
		1402	while (my ($k, $v) = each %todo) {
		1403	for (split /,\s*/, $v->{meta}{depends}) {
		1404	goto skip
		1405	unless exists $done{$_};
		1406	}
		1407
		1408	warn "... loading '$k' into '$v->{pkg}'\n";
		1409
		1410	unless (eval $v->{source}) {
		1411	my $msg = $@ ? "$v->{path}: $@\n"
		1412	: "$v->{base}: extension inactive.\n";
		1413
		1414	if (exists $v->{meta}{mandatory}) {
		1415	warn $msg;
		1416	cf::cleanup "mandatory extension failed to load, exiting.";
		1417	}
		1418
		1419	warn $msg;
		1420	}
		1421
		1422	$done{$k} = delete $todo{$k};
		1423	push @EXTS, $v->{pkg};
		1424	$progress = 1;
938	1	1425	}
939	} or warn "$ext not loaded: $@";	1426
		1427	skip:
		1428	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1429	unless $progress;
		1430	}
940	}	1431	};
941	}	1432	}
942		1433
943	#############################################################################	1434	#############################################################################
944		1435
		1436	=back
		1437
945	=head2 CORE EXTENSIONS	1438	=head2 CORE EXTENSIONS
946		1439
947	Functions and methods that extend core crossfire objects.	1440	Functions and methods that extend core deliantra objects.
948		1441
949	=cut	1442	=cut
950		1443
951	package cf::player;	1444	package cf::player;
952		1445
…		…
954		1447
955	=head3 cf::player	1448	=head3 cf::player
956		1449
957	=over 4	1450	=over 4
958		1451
		1452	=item cf::player::num_playing
		1453
		1454	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1455
		1456	=cut
		1457
		1458	sub num_playing {
		1459	scalar grep
		1460	$_->ob->map
		1461	&& !$_->hidden
		1462	&& !$_->ob->flag (cf::FLAG_WIZ),
		1463	cf::player::list
		1464	}
		1465
959	=item cf::player::find $login	1466	=item cf::player::find $login
960		1467
961	Returns the given player object, loading it if necessary (might block).	1468	Returns the given player object, loading it if necessary (might block).
962		1469
963	=cut	1470	=cut
964		1471
965	sub playerdir($) {	1472	sub playerdir($) {
966	cf::localdir	1473	"$PLAYERDIR/"
967	. "/"
968	. cf::playerdir
969	. "/"
970	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1474	. (ref $_[0] ? $_[0]->ob->name : $_[0])
971	}	1475	}
972		1476
973	sub path($) {	1477	sub path($) {
974	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1478	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
975		1479
976	(playerdir $login) . "/$login.pl"	1480	(playerdir $login) . "/playerdata"
977	}	1481	}
978		1482
979	sub find_active($) {	1483	sub find_active($) {
980	$cf::PLAYER{$_[0]}	1484	$cf::PLAYER{$_[0]}
981	and $cf::PLAYER{$_[0]}->active	1485	and $cf::PLAYER{$_[0]}->active
…		…
984		1488
985	sub exists($) {	1489	sub exists($) {
986	my ($login) = @_;	1490	my ($login) = @_;
987		1491
988	$cf::PLAYER{$login}	1492	$cf::PLAYER{$login}
989	or cf::sync_job { !aio_stat path $login }	1493	or !aio_stat path $login
990	}	1494	}
991		1495
992	sub find($) {	1496	sub find($) {
993	return $cf::PLAYER{$_[0]} || do {	1497	return $cf::PLAYER{$_[0]} || do {
994	my $login = $_[0];	1498	my $login = $_[0];
995		1499
996	my $guard = cf::lock_acquire "user_find:$login";	1500	my $guard = cf::lock_acquire "user_find:$login";
997		1501
998	$cf::PLAYER{$_[0]} || do {	1502	$cf::PLAYER{$_[0]} || do {
999	my $pl = load_pl path $login	1503	# rename old playerfiles to new ones
		1504	#TODO: remove when no longer required
		1505	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1506	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1507	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1508	aio_unlink +(playerdir $login) . "/$login.pl";
		1509
		1510	my $f = new_from_file cf::object::thawer path $login
1000	or return;	1511	or return;
		1512
		1513	my $pl = cf::player::load_pl $f
		1514	or return;
		1515
		1516	local $cf::PLAYER_LOADING{$login} = $pl;
		1517	$f->resolve_delayed_derefs;
1001	$cf::PLAYER{$login} = $pl	1518	$cf::PLAYER{$login} = $pl
1002	}	1519	}
1003	}	1520	}
1004	}	1521	}
1005		1522
…		…
1014	return if $pl->{deny_save};	1531	return if $pl->{deny_save};
1015		1532
1016	aio_mkdir playerdir $pl, 0770;	1533	aio_mkdir playerdir $pl, 0770;
1017	$pl->{last_save} = $cf::RUNTIME;	1534	$pl->{last_save} = $cf::RUNTIME;
1018		1535
		1536	cf::get_slot 0.01;
		1537
1019	$pl->save_pl ($path);	1538	$pl->save_pl ($path);
1020	Coro::cede;	1539	cf::cede_to_tick;
1021	}	1540	}
1022		1541
1023	sub new($) {	1542	sub new($) {
1024	my ($login) = @_;	1543	my ($login) = @_;
1025		1544
…		…
1031	$cf::PLAYER{$login} = $self;	1550	$cf::PLAYER{$login} = $self;
1032		1551
1033	$self	1552	$self
1034	}	1553	}
1035		1554
		1555	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1556
		1557	=cut
		1558
		1559	sub send_msg {
		1560	my $ns = shift->ns
		1561	or return;
		1562	$ns->send_msg (@_);
		1563	}
		1564
1036	=item $pl->quit_character	1565	=item $pl->quit_character
1037		1566
1038	Nukes the player without looking back. If logged in, the connection will	1567	Nukes the player without looking back. If logged in, the connection will
1039	be destroyed. May block for a long time.	1568	be destroyed. May block for a long time.
1040		1569
1041	=cut	1570	=cut
1042		1571
1043	sub quit_character {	1572	sub quit_character {
1044	my ($pl) = @_;	1573	my ($pl) = @_;
1045		1574
		1575	my $name = $pl->ob->name;
		1576
1046	$pl->{deny_save} = 1;	1577	$pl->{deny_save} = 1;
1047	$pl->password ("*"); # this should lock out the player until we nuked the dir	1578	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1048		1579
1049	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1580	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1050	$pl->deactivate;	1581	$pl->deactivate;
		1582	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1583	$pl->ob->check_score;
1051	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1584	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1052	$pl->ns->destroy if $pl->ns;	1585	$pl->ns->destroy if $pl->ns;
1053		1586
1054	my $path = playerdir $pl;	1587	my $path = playerdir $pl;
1055	my $temp = "$path~$cf::RUNTIME~deleting~";	1588	my $temp = "$path~$cf::RUNTIME~deleting~";
1056	aio_rename $path, $temp;	1589	aio_rename $path, $temp;
1057	delete $cf::PLAYER{$pl->ob->name};	1590	delete $cf::PLAYER{$pl->ob->name};
1058	$pl->destroy;	1591	$pl->destroy;
		1592
		1593	my $prefix = qr<^~\Q$name\E/>;
		1594
		1595	# nuke player maps
		1596	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1597
1059	IO::AIO::aio_rmtree $temp;	1598	IO::AIO::aio_rmtree $temp;
		1599	}
		1600
		1601	=item $pl->kick
		1602
		1603	Kicks a player out of the game. This destroys the connection.
		1604
		1605	=cut
		1606
		1607	sub kick {
		1608	my ($pl, $kicker) = @_;
		1609
		1610	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1611	$pl->killer ("kicked");
		1612	$pl->ns->destroy;
1060	}	1613	}
1061		1614
1062	=item cf::player::list_logins	1615	=item cf::player::list_logins
1063		1616
1064	Returns am arrayref of all valid playernames in the system, can take a	1617	Returns am arrayref of all valid playernames in the system, can take a
1065	while and may block, so not sync_job-capable, ever.	1618	while and may block, so not sync_job-capable, ever.
1066		1619
1067	=cut	1620	=cut
1068		1621
1069	sub list_logins {	1622	sub list_logins {
1070	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1623	my $dirs = aio_readdir $PLAYERDIR
1071	or return [];	1624	or return [];
1072		1625
1073	my @logins;	1626	my @logins;
1074		1627
1075	for my $login (@$dirs) {	1628	for my $login (@$dirs) {
		1629	my $path = path $login;
		1630
		1631	# a .pst is a dead give-away for a valid player
		1632	# if no pst file found, open and chekc for blocked users
		1633	if (aio_stat "$path.pst") {
1076	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1634	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1077	aio_read $fh, 0, 512, my $buf, 0 or next;	1635	aio_read $fh, 0, 512, my $buf, 0 or next;
1078	$buf !~ /^password -------------$/m or next; # official not-valid tag	1636	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1637	}
1079		1638
1080	utf8::decode $login;	1639	utf8::decode $login;
1081	push @logins, $login;	1640	push @logins, $login;
1082	}	1641	}
1083		1642
…		…
1110	}	1669	}
1111		1670
1112	\@paths	1671	\@paths
1113	}	1672	}
1114		1673
		1674	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1675
		1676	Expand deliantra pod fragments into protocol xml.
		1677
1115	=item $player->ext_reply ($msgid, $msgtype, %msg)	1678	=item $player->ext_reply ($msgid, @msg)
1116		1679
1117	Sends an ext reply to the player.	1680	Sends an ext reply to the player.
1118		1681
1119	=cut	1682	=cut
1120		1683
1121	sub ext_reply($$$%) {	1684	sub ext_reply($$@) {
1122	my ($self, $id, %msg) = @_;	1685	my ($self, $id, @msg) = @_;
1123		1686
1124	$msg{msgid} = $id;	1687	$self->ns->ext_reply ($id, @msg)
1125
1126	$self->send ("ext " . cf::to_json \%msg);
1127	}	1688	}
1128		1689
1129	package cf;	1690	=item $player->ext_msg ($type, @msg)
		1691
		1692	Sends an ext event to the client.
		1693
		1694	=cut
		1695
		1696	sub ext_msg($$@) {
		1697	my ($self, $type, @msg) = @_;
		1698
		1699	$self->ns->ext_msg ($type, @msg);
		1700	}
		1701
		1702	=head3 cf::region
		1703
		1704	=over 4
		1705
		1706	=cut
		1707
		1708	package cf::region;
		1709
		1710	=item cf::region::find_by_path $path
		1711
		1712	Tries to decuce the likely region for a map knowing only its path.
		1713
		1714	=cut
		1715
		1716	sub find_by_path($) {
		1717	my ($path) = @_;
		1718
		1719	my ($match, $specificity);
		1720
		1721	for my $region (list) {
		1722	if ($region->{match} && $path =~ $region->{match}) {
		1723	($match, $specificity) = ($region, $region->specificity)
		1724	if $region->specificity > $specificity;
		1725	}
		1726	}
		1727
		1728	$match
		1729	}
1130		1730
1131	=back	1731	=back
1132
1133		1732
1134	=head3 cf::map	1733	=head3 cf::map
1135		1734
1136	=over 4	1735	=over 4
1137		1736
…		…
1149	our $MAX_RESET = 3600;	1748	our $MAX_RESET = 3600;
1150	our $DEFAULT_RESET = 3000;	1749	our $DEFAULT_RESET = 3000;
1151		1750
1152	sub generate_random_map {	1751	sub generate_random_map {
1153	my ($self, $rmp) = @_;	1752	my ($self, $rmp) = @_;
		1753
		1754	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1755
1154	# mit "rum" bekleckern, nicht	1756	# mit "rum" bekleckern, nicht
1155	$self->_create_random_map (	1757	$self->_create_random_map (
1156	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1758	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1157	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1759	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1158	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1760	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1192	my ($self, $merge) = @_;	1794	my ($self, $merge) = @_;
1193		1795
1194	# we have to keep some variables in memory intact	1796	# we have to keep some variables in memory intact
1195	local $self->{path};	1797	local $self->{path};
1196	local $self->{load_path};	1798	local $self->{load_path};
1197	local $self->{deny_save};
1198	local $self->{deny_reset};
1199		1799
1200	$self->SUPER::thawer_merge ($merge);	1800	$self->SUPER::thawer_merge ($merge);
1201	}	1801	}
1202		1802
1203	sub normalise {	1803	sub normalise {
…		…
1250	$self->init; # pass $1 etc.	1850	$self->init; # pass $1 etc.
1251	return $self;	1851	return $self;
1252	}	1852	}
1253	}	1853	}
1254		1854
1255	Carp::carp "unable to resolve path '$path' (base '$base').";	1855	Carp::cluck "unable to resolve path '$path' (base '$base').";
1256	()	1856	()
1257	}	1857	}
1258		1858
1259	sub init {	1859	sub init {
1260	my ($self) = @_;	1860	my ($self) = @_;
…		…
1275		1875
1276	# the original (read-only) location	1876	# the original (read-only) location
1277	sub load_path {	1877	sub load_path {
1278	my ($self) = @_;	1878	my ($self) = @_;
1279		1879
1280	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1880	"$MAPDIR/$self->{path}.map"
1281	}	1881	}
1282		1882
1283	# the temporary/swap location	1883	# the temporary/swap location
1284	sub save_path {	1884	sub save_path {
1285	my ($self) = @_;	1885	my ($self) = @_;
1286		1886
1287	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1887	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1288	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1888	"$TMPDIR/$path.map"
1289	}	1889	}
1290		1890
1291	# the unique path, undef == no special unique path	1891	# the unique path, undef == no special unique path
1292	sub uniq_path {	1892	sub uniq_path {
1293	my ($self) = @_;	1893	my ($self) = @_;
1294		1894
1295	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1895	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1296	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1896	"$UNIQUEDIR/$path"
1297	}	1897	}
1298		1898
1299	# and all this just because we cannot iterate over	1899	sub decay_objects {
1300	# all maps in C++...
1301	sub change_all_map_light {
1302	my ($change) = @_;	1900	my ($self) = @_;
1303		1901
1304	$_->change_map_light ($change)	1902	return if $self->{deny_reset};
1305	for grep $_->outdoor, values %cf::MAP;	1903
		1904	$self->do_decay_objects;
1306	}	1905	}
1307		1906
1308	sub unlink_save {	1907	sub unlink_save {
1309	my ($self) = @_;	1908	my ($self) = @_;
1310		1909
1311	utf8::encode (my $save = $self->save_path);	1910	utf8::encode (my $save = $self->save_path);
1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1911	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1912	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1314
1315	#d#TODO remove .map and also nuke
1316	$save =~ s/\.map// or return;#d#
1317	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1318	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1319	}	1913	}
1320		1914
1321	sub load_header_from($) {	1915	sub load_header_from($) {
1322	my ($self, $path) = @_;	1916	my ($self, $path) = @_;
1323		1917
1324	utf8::encode $path;	1918	utf8::encode $path;
1325	#aio_open $path, O_RDONLY, 0	1919	my $f = new_from_file cf::object::thawer $path
1326	# or return;
1327
1328	$self->_load_header ($path)
1329	or return;	1920	or return;
		1921
		1922	$self->_load_header ($f)
		1923	or return;
		1924
		1925	local $MAP_LOADING{$self->{path}} = $self;
		1926	$f->resolve_delayed_derefs;
1330		1927
1331	$self->{load_path} = $path;	1928	$self->{load_path} = $path;
1332		1929
1333	1	1930	1
1334	}	1931	}
…		…
1373	$self->load_header_orig	1970	$self->load_header_orig
1374	or return;	1971	or return;
1375	$self->prepare_orig;	1972	$self->prepare_orig;
1376	}	1973	}
1377		1974
		1975	$self->{deny_reset} = 1
		1976	if $self->no_reset;
		1977
		1978	$self->default_region (cf::region::find_by_path $self->{path})
		1979	unless $self->default_region;
		1980
1378	1	1981	1
1379	}	1982	}
1380		1983
1381	sub find;	1984	sub find;
1382	sub find {	1985	sub find {
1383	my ($path, $origin) = @_;	1986	my ($path, $origin) = @_;
1384		1987
1385	$path = normalise $path, $origin && $origin->path;	1988	$path = normalise $path, $origin && $origin->path;
1386		1989
		1990	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1387	cf::lock_wait "map_find:$path";	1991	my $guard2 = cf::lock_acquire "map_find:$path";
1388		1992
1389	$cf::MAP{$path} || do {	1993	$cf::MAP{$path} || do {
1390	my $guard = cf::lock_acquire "map_find:$path";
1391	my $map = new_from_path cf::map $path	1994	my $map = new_from_path cf::map $path
1392	or return;	1995	or return;
1393		1996
1394	$map->{last_save} = $cf::RUNTIME;	1997	$map->{last_save} = $cf::RUNTIME;
1395		1998
1396	$map->load_header	1999	$map->load_header
1397	or return;	2000	or return;
1398		2001
1399	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2002	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1400	# doing this can freeze the server in a sync job, obviously	2003	# doing this can freeze the server in a sync job, obviously
1401	#$cf::WAIT_FOR_TICK->wait;	2004	#$cf::WAIT_FOR_TICK->wait;
		2005	undef $guard2;
		2006	undef $guard1;
1402	$map->reset;	2007	$map->reset;
1403	undef $guard;
1404	return find $path;	2008	return find $path;
1405	}	2009	}
1406		2010
1407	$cf::MAP{$path} = $map	2011	$cf::MAP{$path} = $map
1408	}	2012	}
…		…
1415	my ($self) = @_;	2019	my ($self) = @_;
1416		2020
1417	local $self->{deny_reset} = 1; # loading can take a long time	2021	local $self->{deny_reset} = 1; # loading can take a long time
1418		2022
1419	my $path = $self->{path};	2023	my $path = $self->{path};
		2024
		2025	{
1420	my $guard = cf::lock_acquire "map_load:$path";	2026	my $guard = cf::lock_acquire "map_data:$path";
1421		2027
		2028	return unless $self->valid;
1422	return if $self->in_memory != cf::MAP_SWAPPED;	2029	return unless $self->in_memory == cf::MAP_SWAPPED;
1423		2030
1424	$self->in_memory (cf::MAP_LOADING);	2031	$self->in_memory (cf::MAP_LOADING);
1425		2032
1426	$self->alloc;	2033	$self->alloc;
1427		2034
1428	$self->pre_load;	2035	$self->pre_load;
		2036	cf::cede_to_tick;
1429		2037
1430	$self->_load_objects ($self->{load_path}, 1)	2038	my $f = new_from_file cf::object::thawer $self->{load_path};
		2039	$f->skip_block;
		2040	$self->_load_objects ($f)
1431	or return;	2041	or return;
1432		2042
1433	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2043	$self->post_load_original
1434	if delete $self->{load_original};	2044	if delete $self->{load_original};
1435		2045
1436	if (my $uniq = $self->uniq_path) {	2046	if (my $uniq = $self->uniq_path) {
1437	utf8::encode $uniq;	2047	utf8::encode $uniq;
1438	if (aio_open $uniq, O_RDONLY, 0) {	2048	unless (aio_stat $uniq) {
		2049	if (my $f = new_from_file cf::object::thawer $uniq) {
1439	$self->clear_unique_items;	2050	$self->clear_unique_items;
1440	$self->_load_objects ($uniq, 0);	2051	$self->_load_objects ($f);
		2052	$f->resolve_delayed_derefs;
		2053	}
1441	}	2054	}
1442	}	2055	}
1443		2056
1444	Coro::cede;	2057	$f->resolve_delayed_derefs;
1445		2058
		2059	cf::cede_to_tick;
1446	# now do the right thing for maps	2060	# now do the right thing for maps
1447	$self->link_multipart_objects;	2061	$self->link_multipart_objects;
1448
1449	unless ($self->{deny_activate}) {
1450	$self->decay_objects;
1451	$self->fix_auto_apply;
1452	$self->update_buttons;
1453	Coro::cede;
1454	$self->set_darkness_map;
1455	$self->difficulty ($self->estimate_difficulty)	2062	$self->difficulty ($self->estimate_difficulty)
1456	unless $self->difficulty;	2063	unless $self->difficulty;
1457	Coro::cede;	2064	cf::cede_to_tick;
		2065
		2066	unless ($self->{deny_activate}) {
		2067	$self->decay_objects;
		2068	$self->fix_auto_apply;
		2069	$self->update_buttons;
		2070	cf::cede_to_tick;
1458	$self->activate;	2071	$self->activate;
		2072	}
		2073
		2074	$self->{last_save} = $cf::RUNTIME;
		2075	$self->last_access ($cf::RUNTIME);
		2076
		2077	$self->in_memory (cf::MAP_ACTIVE);
1459	}	2078	}
1460		2079
1461	$self->post_load;	2080	$self->post_load;
1462
1463	$self->in_memory (cf::MAP_IN_MEMORY);
1464	}	2081	}
1465		2082
1466	sub customise_for {	2083	sub customise_for {
1467	my ($self, $ob) = @_;	2084	my ($self, $ob) = @_;
1468		2085
1469	return find "~" . $ob->name . "/" . $self->{path}	2086	return find "~" . $ob->name . "/" . $self->{path}
1470	if $self->per_player;	2087	if $self->per_player;
1471		2088
		2089	# return find "?party/" . $ob->name . "/" . $self->{path}
		2090	# if $self->per_party;
		2091
1472	$self	2092	$self
1473	}	2093	}
1474		2094
1475	# find and load all maps in the 3x3 area around a map	2095	# find and load all maps in the 3x3 area around a map
1476	sub load_diag {	2096	sub load_neighbours {
1477	my ($map) = @_;	2097	my ($map) = @_;
1478		2098
1479	my @diag; # diagonal neighbours	2099	my @neigh; # diagonal neighbours
1480		2100
1481	for (0 .. 3) {	2101	for (0 .. 3) {
1482	my $neigh = $map->tile_path ($_)	2102	my $neigh = $map->tile_path ($_)
1483	or next;	2103	or next;
1484	$neigh = find $neigh, $map	2104	$neigh = find $neigh, $map
1485	or next;	2105	or next;
1486	$neigh->load;	2106	$neigh->load;
1487		2107
		2108	push @neigh,
1488	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2109	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1489	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2110	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1490	}	2111	}
1491		2112
1492	for (@diag) {	2113	for (grep defined $_->[0], @neigh) {
		2114	my ($path, $origin) = @$_;
1493	my $neigh = find @$_	2115	my $neigh = find $path, $origin
1494	or next;	2116	or next;
1495	$neigh->load;	2117	$neigh->load;
1496	}	2118	}
1497	}	2119	}
1498		2120
…		…
1503	}	2125	}
1504		2126
1505	sub do_load_sync {	2127	sub do_load_sync {
1506	my ($map) = @_;	2128	my ($map) = @_;
1507		2129
		2130	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2131	if $Coro::current == $Coro::main;
		2132
1508	cf::sync_job { $map->load };	2133	cf::sync_job { $map->load };
1509	}	2134	}
1510		2135
1511	our %MAP_PREFETCH;	2136	our %MAP_PREFETCH;
1512	our $MAP_PREFETCHER = undef;	2137	our $MAP_PREFETCHER = undef;
1513		2138
1514	sub find_async {	2139	sub find_async {
1515	my ($path, $origin) = @_;	2140	my ($path, $origin, $load) = @_;
1516		2141
1517	$path = normalise $path, $origin && $origin->{path};	2142	$path = normalise $path, $origin && $origin->{path};
1518		2143
1519	if (my $map = $cf::MAP{$path}) {	2144	if (my $map = $cf::MAP{$path}) {
1520	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2145	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1521	}	2146	}
1522		2147
1523	undef $MAP_PREFETCH{$path};	2148	$MAP_PREFETCH{$path} |= $load;
		2149
1524	$MAP_PREFETCHER ||= cf::async {	2150	$MAP_PREFETCHER ||= cf::async {
		2151	$Coro::current->{desc} = "map prefetcher";
		2152
1525	while (%MAP_PREFETCH) {	2153	while (%MAP_PREFETCH) {
1526	for my $path (keys %MAP_PREFETCH) {	2154	while (my ($k, $v) = each %MAP_PREFETCH) {
1527	my $map = find $path	2155	if (my $map = find $k) {
1528	or next;
1529	$map->load;	2156	$map->load if $v;
		2157	}
1530		2158
1531	delete $MAP_PREFETCH{$path};	2159	delete $MAP_PREFETCH{$k};
1532	}	2160	}
1533	}	2161	}
1534	undef $MAP_PREFETCHER;	2162	undef $MAP_PREFETCHER;
1535	};	2163	};
1536	$MAP_PREFETCHER->prio (6);	2164	$MAP_PREFETCHER->prio (6);
…		…
1539	}	2167	}
1540		2168
1541	sub save {	2169	sub save {
1542	my ($self) = @_;	2170	my ($self) = @_;
1543		2171
1544	my $lock = cf::lock_acquire "map_data:" . $self->path;	2172	my $lock = cf::lock_acquire "map_data:$self->{path}";
1545		2173
1546	$self->{last_save} = $cf::RUNTIME;	2174	$self->{last_save} = $cf::RUNTIME;
1547		2175
1548	return unless $self->dirty;	2176	return unless $self->dirty;
1549		2177
…		…
1555	return if $self->{deny_save};	2183	return if $self->{deny_save};
1556		2184
1557	local $self->{last_access} = $self->last_access;#d#	2185	local $self->{last_access} = $self->last_access;#d#
1558		2186
1559	cf::async {	2187	cf::async {
		2188	$Coro::current->{desc} = "map player save";
1560	$_->contr->save for $self->players;	2189	$_->contr->save for $self->players;
1561	};	2190	};
		2191
		2192	cf::get_slot 0.02;
1562		2193
1563	if ($uniq) {	2194	if ($uniq) {
1564	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2195	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1565	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2196	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1566	} else {	2197	} else {
…		…
1572	my ($self) = @_;	2203	my ($self) = @_;
1573		2204
1574	# save first because save cedes	2205	# save first because save cedes
1575	$self->save;	2206	$self->save;
1576		2207
1577	my $lock = cf::lock_acquire "map_data:" . $self->path;	2208	my $lock = cf::lock_acquire "map_data:$self->{path}";
1578		2209
1579	return if $self->players;	2210	return if $self->players;
1580	return if $self->in_memory != cf::MAP_IN_MEMORY;	2211	return if $self->in_memory != cf::MAP_ACTIVE;
1581	return if $self->{deny_save};	2212	return if $self->{deny_save};
1582		2213
		2214	$self->in_memory (cf::MAP_SWAPPED);
		2215
		2216	$self->deactivate;
		2217	$_->clear_links_to ($self) for values %cf::MAP;
1583	$self->clear;	2218	$self->clear;
1584	$self->in_memory (cf::MAP_SWAPPED);
1585	}	2219	}
1586		2220
1587	sub reset_at {	2221	sub reset_at {
1588	my ($self) = @_;	2222	my ($self) = @_;
1589		2223
1590	# TODO: safety, remove and allow resettable per-player maps	2224	# TODO: safety, remove and allow resettable per-player maps
1591	return 1e99 if $self->isa ("ext::map_per_player");#d#
1592	return 1e99 if $self->{deny_reset};	2225	return 1e99 if $self->{deny_reset};
1593		2226
1594	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2227	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1595	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2228	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1596		2229
…		…
1607	my ($self) = @_;	2240	my ($self) = @_;
1608		2241
1609	my $lock = cf::lock_acquire "map_data:$self->{path}";	2242	my $lock = cf::lock_acquire "map_data:$self->{path}";
1610		2243
1611	return if $self->players;	2244	return if $self->players;
1612	return if $self->isa ("ext::map_per_player");#d#
1613		2245
1614	warn "resetting map ", $self->path;#d#	2246	warn "resetting map ", $self->path, "\n";
1615		2247
1616	$self->in_memory (cf::MAP_SWAPPED);	2248	$self->in_memory (cf::MAP_SWAPPED);
1617		2249
1618	# need to save uniques path	2250	# need to save uniques path
1619	unless ($self->{deny_save}) {	2251	unless ($self->{deny_save}) {
…		…
1623	if $uniq;	2255	if $uniq;
1624	}	2256	}
1625		2257
1626	delete $cf::MAP{$self->path};	2258	delete $cf::MAP{$self->path};
1627		2259
		2260	$self->deactivate;
		2261	$_->clear_links_to ($self) for values %cf::MAP;
1628	$self->clear;	2262	$self->clear;
1629
1630	$_->clear_links_to ($self) for values %cf::MAP;
1631		2263
1632	$self->unlink_save;	2264	$self->unlink_save;
1633	$self->destroy;	2265	$self->destroy;
1634	}	2266	}
1635		2267
1636	my $nuke_counter = "aaaa";	2268	my $nuke_counter = "aaaa";
1637		2269
1638	sub nuke {	2270	sub nuke {
1639	my ($self) = @_;	2271	my ($self) = @_;
1640		2272
		2273	{
		2274	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2275
1641	delete $cf::MAP{$self->path};	2276	delete $cf::MAP{$self->path};
1642		2277
1643	$self->unlink_save;	2278	$self->unlink_save;
1644		2279
1645	bless $self, "cf::map";	2280	bless $self, "cf::map";
1646	delete $self->{deny_reset};	2281	delete $self->{deny_reset};
1647	$self->{deny_save} = 1;	2282	$self->{deny_save} = 1;
1648	$self->reset_timeout (1);	2283	$self->reset_timeout (1);
1649	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2284	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1650		2285
1651	$cf::MAP{$self->path} = $self;	2286	$cf::MAP{$self->path} = $self;
		2287	}
1652		2288
1653	$self->reset; # polite request, might not happen	2289	$self->reset; # polite request, might not happen
		2290	}
		2291
		2292	=item $maps = cf::map::tmp_maps
		2293
		2294	Returns an arrayref with all map paths of currently instantiated and saved
		2295	maps. May block.
		2296
		2297	=cut
		2298
		2299	sub tmp_maps() {
		2300	[
		2301	map {
		2302	utf8::decode $_;
		2303	/\.map$/
		2304	? normalise $_
		2305	: ()
		2306	} @{ aio_readdir $TMPDIR or [] }
		2307	]
		2308	}
		2309
		2310	=item $maps = cf::map::random_maps
		2311
		2312	Returns an arrayref with all map paths of currently instantiated and saved
		2313	random maps. May block.
		2314
		2315	=cut
		2316
		2317	sub random_maps() {
		2318	[
		2319	map {
		2320	utf8::decode $_;
		2321	/\.map$/
		2322	? normalise "?random/$_"
		2323	: ()
		2324	} @{ aio_readdir $RANDOMDIR or [] }
		2325	]
1654	}	2326	}
1655		2327
1656	=item cf::map::unique_maps	2328	=item cf::map::unique_maps
1657		2329
1658	Returns an arrayref of paths of all shared maps that have	2330	Returns an arrayref of paths of all shared maps that have
1659	instantiated unique items. May block.	2331	instantiated unique items. May block.
1660		2332
1661	=cut	2333	=cut
1662		2334
1663	sub unique_maps() {	2335	sub unique_maps() {
1664	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2336	[
1665	or return;	2337	map {
1666
1667	my @paths;
1668
1669	for (@$files) {
1670	utf8::decode $_;	2338	utf8::decode $_;
1671	next if /\.pst$/;	2339	s/\.map$//; # TODO future compatibility hack
1672	next unless /^$PATH_SEP/o;	2340	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1673		2341	? ()
1674	push @paths, cf::map::normalise $_;	2342	: normalise $_
		2343	} @{ aio_readdir $UNIQUEDIR or [] }
1675	}	2344	]
1676
1677	\@paths
1678	}	2345	}
1679		2346
1680	package cf;	2347	=item cf::map::static_maps
		2348
		2349	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2350	file in the shared directory excluding F</styles> and F</editor>). May
		2351	block.
		2352
		2353	=cut
		2354
		2355	sub static_maps() {
		2356	my @dirs = "";
		2357	my @maps;
		2358
		2359	while (@dirs) {
		2360	my $dir = shift @dirs;
		2361
		2362	next if $dir eq "/styles" || $dir eq "/editor";
		2363
		2364	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2365	or return;
		2366
		2367	for (@$files) {
		2368	s/\.map$// or next;
		2369	utf8::decode $_;
		2370	push @maps, "$dir/$_";
		2371	}
		2372
		2373	push @dirs, map "$dir/$_", @$dirs;
		2374	}
		2375
		2376	\@maps
		2377	}
1681		2378
1682	=back	2379	=back
1683		2380
1684	=head3 cf::object	2381	=head3 cf::object
1685		2382
…		…
1689		2386
1690	=over 4	2387	=over 4
1691		2388
1692	=item $ob->inv_recursive	2389	=item $ob->inv_recursive
1693		2390
1694	Returns the inventory of the object _and_ their inventories, recursively.	2391	Returns the inventory of the object I<and> their inventories, recursively,
		2392	but I<not> the object itself.
1695		2393
1696	=cut	2394	=cut
1697		2395
1698	sub inv_recursive_;	2396	sub inv_recursive_;
1699	sub inv_recursive_ {	2397	sub inv_recursive_ {
…		…
1702		2400
1703	sub inv_recursive {	2401	sub inv_recursive {
1704	inv_recursive_ inv $_[0]	2402	inv_recursive_ inv $_[0]
1705	}	2403	}
1706		2404
		2405	=item $ref = $ob->ref
		2406
		2407	Creates and returns a persistent reference to an object that can be stored as a string.
		2408
		2409	=item $ob = cf::object::deref ($refstring)
		2410
		2411	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2412	even if the object actually exists. May block.
		2413
		2414	=cut
		2415
		2416	sub deref {
		2417	my ($ref) = @_;
		2418
		2419	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2420	my ($uuid, $name) = ($1, $2);
		2421	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2422	or return;
		2423	$pl->ob->uuid eq $uuid
		2424	or return;
		2425
		2426	$pl->ob
		2427	} else {
		2428	warn "$ref: cannot resolve object reference\n";
		2429	undef
		2430	}
		2431	}
		2432
1707	package cf;	2433	package cf;
1708		2434
1709	=back	2435	=back
1710		2436
1711	=head3 cf::object::player	2437	=head3 cf::object::player
…		…
1717	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2443	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1718	can be C<undef>. Does the right thing when the player is currently in a	2444	can be C<undef>. Does the right thing when the player is currently in a
1719	dialogue with the given NPC character.	2445	dialogue with the given NPC character.
1720		2446
1721	=cut	2447	=cut
		2448
		2449	our $SAY_CHANNEL = {
		2450	id => "say",
		2451	title => "Map",
		2452	reply => "say ",
		2453	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2454	};
		2455
		2456	our $CHAT_CHANNEL = {
		2457	id => "chat",
		2458	title => "Chat",
		2459	reply => "chat ",
		2460	tooltip => "Player chat and shouts, global to the server.",
		2461	};
1722		2462
1723	# rough implementation of a future "reply" method that works	2463	# rough implementation of a future "reply" method that works
1724	# with dialog boxes.	2464	# with dialog boxes.
1725	#TODO: the first argument must go, split into a $npc->reply_to ( method	2465	#TODO: the first argument must go, split into a $npc->reply_to ( method
1726	sub cf::object::player::reply($$$;$) {	2466	sub cf::object::player::reply($$$;$) {
…		…
1728		2468
1729	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2469	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1730		2470
1731	if ($self->{record_replies}) {	2471	if ($self->{record_replies}) {
1732	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2472	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2473
1733	} else {	2474	} else {
		2475	my $pl = $self->contr;
		2476
		2477	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2478	my $dialog = $pl->{npc_dialog};
		2479	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2480
		2481	} else {
1734	$msg = $npc->name . " says: $msg" if $npc;	2482	$msg = $npc->name . " says: $msg" if $npc;
1735	$self->message ($msg, $flags);	2483	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2484	}
1736	}	2485	}
		2486	}
		2487
		2488	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2489
		2490	=cut
		2491
		2492	sub cf::object::send_msg {
		2493	my $pl = shift->contr
		2494	or return;
		2495	$pl->send_msg (@_);
1737	}	2496	}
1738		2497
1739	=item $player_object->may ("access")	2498	=item $player_object->may ("access")
1740		2499
1741	Returns wether the given player is authorized to access resource "access"	2500	Returns wether the given player is authorized to access resource "access"
…		…
1754		2513
1755	=item $player_object->enter_link	2514	=item $player_object->enter_link
1756		2515
1757	Freezes the player and moves him/her to a special map (C<{link}>).	2516	Freezes the player and moves him/her to a special map (C<{link}>).
1758		2517
1759	The player should be reasonably safe there for short amounts of time. You	2518	The player should be reasonably safe there for short amounts of time (e.g.
1760	I<MUST> call C<leave_link> as soon as possible, though.	2519	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2520	though, as the palyer cannot control the character while it is on the link
		2521	map.
1761		2522
1762	Will never block.	2523	Will never block.
1763		2524
1764	=item $player_object->leave_link ($map, $x, $y)	2525	=item $player_object->leave_link ($map, $x, $y)
1765		2526
…		…
1788	$self->deactivate_recursive;	2549	$self->deactivate_recursive;
1789		2550
1790	return if UNIVERSAL::isa $self->map, "ext::map_link";	2551	return if UNIVERSAL::isa $self->map, "ext::map_link";
1791		2552
1792	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2553	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1793	if $self->map;	2554	if $self->map && $self->map->{path} ne "{link}";
1794		2555
1795	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2556	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1796	}	2557	}
1797		2558
1798	sub cf::object::player::leave_link {	2559	sub cf::object::player::leave_link {
1799	my ($self, $map, $x, $y) = @_;	2560	my ($self, $map, $x, $y) = @_;
		2561
		2562	return unless $self->contr->active;
1800		2563
1801	my $link_pos = delete $self->{_link_pos};	2564	my $link_pos = delete $self->{_link_pos};
1802		2565
1803	unless ($map) {	2566	unless ($map) {
1804	# restore original map position	2567	# restore original map position
…		…
1815	($x, $y) = (-1, -1)	2578	($x, $y) = (-1, -1)
1816	unless (defined $x) && (defined $y);	2579	unless (defined $x) && (defined $y);
1817		2580
1818	# use -1 or undef as default coordinates, not 0, 0	2581	# use -1 or undef as default coordinates, not 0, 0
1819	($x, $y) = ($map->enter_x, $map->enter_y)	2582	($x, $y) = ($map->enter_x, $map->enter_y)
1820	if $x <=0 && $y <= 0;	2583	if $x <= 0 && $y <= 0;
1821		2584
1822	$map->load;	2585	$map->load;
1823	$map->load_diag;	2586	$map->load_neighbours;
1824		2587
1825	return unless $self->contr->active;	2588	return unless $self->contr->active;
		2589
		2590	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2591	$self->enter_map ($map, $x, $y);
		2592
		2593	# only activate afterwards, to support waiting in hooks
1826	$self->activate_recursive;	2594	$self->activate_recursive;
1827	$self->enter_map ($map, $x, $y);
1828	}	2595	}
1829		2596
1830	cf::player->attach (	2597	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1831	on_logout => sub {
1832	my ($pl) = @_;
1833		2598
1834	# abort map switching before logout	2599	Moves the player to the given map-path and coordinates by first freezing
1835	if ($pl->ob->{_link_pos}) {	2600	her, loading and preparing them map, calling the provided $check callback
1836	cf::sync_job {	2601	that has to return the map if sucecssful, and then unfreezes the player on
1837	$pl->ob->leave_link	2602	the new (success) or old (failed) map position. In either case, $done will
1838	};	2603	be called at the end of this process.
1839	}
1840	},
1841	on_login => sub {
1842	my ($pl) = @_;
1843		2604
1844	# try to abort aborted map switching on player login :)	2605	Note that $check will be called with a potentially non-loaded map, so if
1845	# should happen only on crashes	2606	it needs a loaded map it has to call C<< ->load >>.
1846	if ($pl->ob->{_link_pos}) {
1847	$pl->ob->enter_link;
1848	(async {
1849	# we need this sleep as the login has a concurrent enter_exit running
1850	# and this sleep increases chances of the player not ending up in scorn
1851	$pl->ob->reply (undef,
1852	"There was an internal problem at your last logout, "
1853	. "the server will try to bring you to your intended destination in a second.",
1854	cf::NDI_RED);
1855	Coro::Timer::sleep 1;
1856	$pl->ob->leave_link;
1857	})->prio (2);
1858	}
1859	},
1860	);
1861		2607
1862	=item $player_object->goto ($path, $x, $y)
1863
1864	=cut	2608	=cut
		2609
		2610	our $GOTOGEN;
1865		2611
1866	sub cf::object::player::goto {	2612	sub cf::object::player::goto {
1867	my ($self, $path, $x, $y) = @_;	2613	my ($self, $path, $x, $y, $check, $done) = @_;
		2614
		2615	# do generation counting so two concurrent goto's will be executed in-order
		2616	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1868		2617
1869	$self->enter_link;	2618	$self->enter_link;
1870		2619
1871	(async {	2620	(async {
		2621	$Coro::current->{desc} = "player::goto $path $x $y";
		2622
		2623	# *tag paths override both path and x|y
		2624	if ($path =~ /^\*(.*)$/) {
		2625	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2626	my $ob = $obs[rand @obs];
		2627
		2628	# see if we actually can go there
		2629	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2630	$ob = $obs[rand @obs];
		2631	} else {
		2632	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2633	}
		2634	# else put us there anyways for now #d#
		2635
		2636	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2637	} else {
		2638	($path, $x, $y) = (undef, undef, undef);
		2639	}
		2640	}
		2641
1872	my $map = eval {	2642	my $map = eval {
1873	my $map = cf::map::find $path;	2643	my $map = defined $path ? cf::map::find $path : undef;
		2644
		2645	if ($map) {
1874	$map = $map->customise_for ($self) if $map;	2646	$map = $map->customise_for ($self);
		2647	$map = $check->($map) if $check && $map;
		2648	} else {
		2649	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2650	}
		2651
1875	$map	2652	$map
		2653	};
		2654
		2655	if ($@) {
		2656	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2657	LOG llevError | logBacktrace, Carp::longmess $@;
1876	} or	2658	}
1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1878		2659
		2660	if ($gen == $self->{_goto_generation}) {
		2661	delete $self->{_goto_generation};
1879	$self->leave_link ($map, $x, $y);	2662	$self->leave_link ($map, $x, $y);
		2663	}
		2664
		2665	$done->() if $done;
1880	})->prio (1);	2666	})->prio (1);
1881	}	2667	}
1882		2668
1883	=item $player_object->enter_exit ($exit_object)	2669	=item $player_object->enter_exit ($exit_object)
1884		2670
…		…
1904	}	2690	}
1905		2691
1906	sub prepare_random_map {	2692	sub prepare_random_map {
1907	my ($exit) = @_;	2693	my ($exit) = @_;
1908		2694
1909	my $guard = cf::lock_acquire "exit_prepare:$exit";
1910
1911	# all this does is basically replace the /! path by	2695	# all this does is basically replace the /! path by
1912	# a new random map path (?random/...) with a seed	2696	# a new random map path (?random/...) with a seed
1913	# that depends on the exit object	2697	# that depends on the exit object
1914		2698
1915	my $rmp = parse_random_map_params $exit->msg;	2699	my $rmp = parse_random_map_params $exit->msg;
…		…
1917	if ($exit->map) {	2701	if ($exit->map) {
1918	$rmp->{region} = $exit->region->name;	2702	$rmp->{region} = $exit->region->name;
1919	$rmp->{origin_map} = $exit->map->path;	2703	$rmp->{origin_map} = $exit->map->path;
1920	$rmp->{origin_x} = $exit->x;	2704	$rmp->{origin_x} = $exit->x;
1921	$rmp->{origin_y} = $exit->y;	2705	$rmp->{origin_y} = $exit->y;
		2706
		2707	$exit->map->touch;
1922	}	2708	}
1923		2709
1924	$rmp->{random_seed} ||= $exit->random_seed;	2710	$rmp->{random_seed} ||= $exit->random_seed;
1925		2711
1926	my $data = cf::to_json $rmp;	2712	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1927	my $md5 = Digest::MD5::md5_hex $data;	2713	my $md5 = Digest::MD5::md5_hex $data;
1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2714	my $meta = "$RANDOMDIR/$md5.meta";
1929		2715
1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2716	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1931	aio_write $fh, 0, (length $data), $data, 0;	2717	aio_write $fh, 0, (length $data), $data, 0;
1932	undef $fh;	2718	undef $fh;
1933	aio_rename "$meta~", $meta;	2719	aio_rename "$meta~", $meta;
1934		2720
		2721	my $slaying = "?random/$md5";
		2722
		2723	if ($exit->valid) {
1935	$exit->slaying ("?random/$md5");	2724	$exit->slaying ("?random/$md5");
1936	$exit->msg (undef);	2725	$exit->msg (undef);
		2726	}
1937	}	2727	}
1938	}	2728	}
1939		2729
1940	sub cf::object::player::enter_exit {	2730	sub cf::object::player::enter_exit {
1941	my ($self, $exit) = @_;	2731	my ($self, $exit) = @_;
1942		2732
1943	return unless $self->type == cf::PLAYER;	2733	return unless $self->type == cf::PLAYER;
1944		2734
1945	if ($exit->slaying eq "/!") {
1946	#TODO: this should de-fi-ni-te-ly not be a sync-job
1947	cf::sync_job { prepare_random_map $exit };
1948	}
1949
1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1951	my $hp = $exit->stats->hp;
1952	my $sp = $exit->stats->sp;
1953
1954	$self->enter_link;	2735	$self->enter_link;
1955		2736
1956	(async {	2737	(async {
1957	$self->deactivate_recursive; # just to be sure	2738	$Coro::current->{desc} = "enter_exit";
		2739
1958	unless (eval {	2740	unless (eval {
		2741	$self->deactivate_recursive; # just to be sure
		2742
		2743	# random map handling
		2744	{
		2745	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2746
		2747	prepare_random_map $exit
		2748	if $exit->slaying eq "/!";
		2749	}
		2750
		2751	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2752	my $x = $exit->stats->hp;
		2753	my $y = $exit->stats->sp;
		2754
1959	$self->goto ($slaying, $hp, $sp);	2755	$self->goto ($map, $x, $y);
1960		2756
		2757	# if exit is damned, update players death & WoR home-position
		2758	$self->contr->savebed ($map, $x, $y)
		2759	if $exit->flag (cf::FLAG_DAMNED);
		2760
1961	1;	2761	1
1962	}) {	2762	}) {
1963	$self->message ("Something went wrong deep within the crossfire server. "	2763	$self->message ("Something went wrong deep within the deliantra server. "
1964	. "I'll try to bring you back to the map you were before. "	2764	. "I'll try to bring you back to the map you were before. "
1965	. "Please report this to the dungeon master!",	2765	. "Please report this to the dungeon master!",
1966	cf::NDI_UNIQUE | cf::NDI_RED);	2766	cf::NDI_UNIQUE | cf::NDI_RED);
1967		2767
1968	warn "ERROR in enter_exit: $@";	2768	warn "ERROR in enter_exit: $@";
1969	$self->leave_link;	2769	$self->leave_link;
1970	}	2770	}
1971	})->prio (1);	2771	})->prio (1);
…		…
1984		2784
1985	sub cf::client::send_drawinfo {	2785	sub cf::client::send_drawinfo {
1986	my ($self, $text, $flags) = @_;	2786	my ($self, $text, $flags) = @_;
1987		2787
1988	utf8::encode $text;	2788	utf8::encode $text;
1989	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2789	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1990	}	2790	}
1991		2791
		2792	=item $client->send_big_packet ($pkt)
		2793
		2794	Like C<send_packet>, but tries to compress large packets, and fragments
		2795	them as required.
		2796
		2797	=cut
		2798
		2799	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2800
		2801	sub cf::client::send_big_packet {
		2802	my ($self, $pkt) = @_;
		2803
		2804	# try lzf for large packets
		2805	$pkt = "lzf " . Compress::LZF::compress $pkt
		2806	if 1024 <= length $pkt and $self->{can_lzf};
		2807
		2808	# split very large packets
		2809	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2810	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2811	$pkt = "frag";
		2812	}
		2813
		2814	$self->send_packet ($pkt);
		2815	}
		2816
		2817	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2818
		2819	Send a drawinfo or msg packet to the client, formatting the msg for the
		2820	client if neccessary. C<$type> should be a string identifying the type of
		2821	the message, with C<log> being the default. If C<$color> is negative, suppress
		2822	the message unless the client supports the msg packet.
		2823
		2824	=cut
		2825
		2826	# non-persistent channels (usually the info channel)
		2827	our %CHANNEL = (
		2828	"c/motd" => {
		2829	id => "infobox",
		2830	title => "MOTD",
		2831	reply => undef,
		2832	tooltip => "The message of the day",
		2833	},
		2834	"c/identify" => {
		2835	id => "infobox",
		2836	title => "Identify",
		2837	reply => undef,
		2838	tooltip => "Items recently identified",
		2839	},
		2840	"c/examine" => {
		2841	id => "infobox",
		2842	title => "Examine",
		2843	reply => undef,
		2844	tooltip => "Signs and other items you examined",
		2845	},
		2846	"c/shopinfo" => {
		2847	id => "infobox",
		2848	title => "Shop Info",
		2849	reply => undef,
		2850	tooltip => "What your bargaining skill tells you about the shop",
		2851	},
		2852	"c/book" => {
		2853	id => "infobox",
		2854	title => "Book",
		2855	reply => undef,
		2856	tooltip => "The contents of a note or book",
		2857	},
		2858	"c/lookat" => {
		2859	id => "infobox",
		2860	title => "Look",
		2861	reply => undef,
		2862	tooltip => "What you saw there",
		2863	},
		2864	"c/who" => {
		2865	id => "infobox",
		2866	title => "Players",
		2867	reply => undef,
		2868	tooltip => "Shows players who are currently online",
		2869	},
		2870	"c/body" => {
		2871	id => "infobox",
		2872	title => "Body Parts",
		2873	reply => undef,
		2874	tooltip => "Shows which body parts you posess and are available",
		2875	},
		2876	"c/statistics" => {
		2877	id => "infobox",
		2878	title => "Statistics",
		2879	reply => undef,
		2880	tooltip => "Shows your primary statistics",
		2881	},
		2882	"c/skills" => {
		2883	id => "infobox",
		2884	title => "Skills",
		2885	reply => undef,
		2886	tooltip => "Shows your experience per skill and item power",
		2887	},
		2888	"c/shopitems" => {
		2889	id => "infobox",
		2890	title => "Shop Items",
		2891	reply => undef,
		2892	tooltip => "Shows the items currently for sale in this shop",
		2893	},
		2894	"c/resistances" => {
		2895	id => "infobox",
		2896	title => "Resistances",
		2897	reply => undef,
		2898	tooltip => "Shows your resistances",
		2899	},
		2900	"c/pets" => {
		2901	id => "infobox",
		2902	title => "Pets",
		2903	reply => undef,
		2904	tooltip => "Shows information abotu your pets/a specific pet",
		2905	},
		2906	"c/perceiveself" => {
		2907	id => "infobox",
		2908	title => "Perceive Self",
		2909	reply => undef,
		2910	tooltip => "You gained detailed knowledge about yourself",
		2911	},
		2912	"c/uptime" => {
		2913	id => "infobox",
		2914	title => "Uptime",
		2915	reply => undef,
		2916	tooltip => "How long the server has been running since last restart",
		2917	},
		2918	"c/mapinfo" => {
		2919	id => "infobox",
		2920	title => "Map Info",
		2921	reply => undef,
		2922	tooltip => "Information related to the maps",
		2923	},
		2924	"c/party" => {
		2925	id => "party",
		2926	title => "Party",
		2927	reply => "gsay ",
		2928	tooltip => "Messages and chat related to your party",
		2929	},
		2930	"c/death" => {
		2931	id => "death",
		2932	title => "Death",
		2933	reply => undef,
		2934	tooltip => "Reason for and more info about your most recent death",
		2935	},
		2936	"c/say" => $SAY_CHANNEL,
		2937	"c/chat" => $CHAT_CHANNEL,
		2938	);
		2939
		2940	sub cf::client::send_msg {
		2941	my ($self, $channel, $msg, $color, @extra) = @_;
		2942
		2943	$msg = $self->pl->expand_cfpod ($msg)
		2944	unless $color & cf::NDI_VERBATIM;
		2945
		2946	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2947
		2948	# check predefined channels, for the benefit of C
		2949	if ($CHANNEL{$channel}) {
		2950	$channel = $CHANNEL{$channel};
		2951
		2952	$self->ext_msg (channel_info => $channel);
		2953	$channel = $channel->{id};
		2954
		2955	} elsif (ref $channel) {
		2956	# send meta info to client, if not yet sent
		2957	unless (exists $self->{channel}{$channel->{id}}) {
		2958	$self->{channel}{$channel->{id}} = $channel;
		2959	$self->ext_msg (channel_info => $channel);
		2960	}
		2961
		2962	$channel = $channel->{id};
		2963	}
		2964
		2965	return unless @extra || length $msg;
		2966
		2967	# default colour, mask it out
		2968	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2969	if $color & cf::NDI_DEF;
		2970
		2971	my $pkt = "msg "
		2972	. $self->{json_coder}->encode (
		2973	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2974	);
		2975
		2976	$self->send_big_packet ($pkt);
		2977	}
		2978
		2979	=item $client->ext_msg ($type, @msg)
		2980
		2981	Sends an ext event to the client.
		2982
		2983	=cut
		2984
		2985	sub cf::client::ext_msg($$@) {
		2986	my ($self, $type, @msg) = @_;
		2987
		2988	if ($self->extcmd == 2) {
		2989	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2990	} elsif ($self->extcmd == 1) { # TODO: remove
		2991	push @msg, msgtype => "event_$type";
		2992	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2993	}
		2994	}
		2995
		2996	=item $client->ext_reply ($msgid, @msg)
		2997
		2998	Sends an ext reply to the client.
		2999
		3000	=cut
		3001
		3002	sub cf::client::ext_reply($$@) {
		3003	my ($self, $id, @msg) = @_;
		3004
		3005	if ($self->extcmd == 2) {
		3006	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3007	} elsif ($self->extcmd == 1) {
		3008	#TODO: version 1, remove
		3009	unshift @msg, msgtype => "reply", msgid => $id;
		3010	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3011	}
		3012	}
1992		3013
1993	=item $success = $client->query ($flags, "text", \&cb)	3014	=item $success = $client->query ($flags, "text", \&cb)
1994		3015
1995	Queues a query to the client, calling the given callback with	3016	Queues a query to the client, calling the given callback with
1996	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3017	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1997	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3018	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1998		3019
1999	Queries can fail, so check the return code. Or don't, as queries will become	3020	Queries can fail, so check the return code. Or don't, as queries will
2000	reliable at some point in the future.	3021	become reliable at some point in the future.
2001		3022
2002	=cut	3023	=cut
2003		3024
2004	sub cf::client::query {	3025	sub cf::client::query {
2005	my ($self, $flags, $text, $cb) = @_;	3026	my ($self, $flags, $text, $cb) = @_;
…		…
2013	utf8::encode $text;	3034	utf8::encode $text;
2014	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3035	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2015		3036
2016	$self->send_packet ($self->{query_queue}[0][0])	3037	$self->send_packet ($self->{query_queue}[0][0])
2017	if @{ $self->{query_queue} } == 1;	3038	if @{ $self->{query_queue} } == 1;
		3039
		3040	1
2018	}	3041	}
2019		3042
2020	cf::client->attach (	3043	cf::client->attach (
		3044	on_connect => sub {
		3045	my ($ns) = @_;
		3046
		3047	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3048	},
2021	on_reply => sub {	3049	on_reply => sub {
2022	my ($ns, $msg) = @_;	3050	my ($ns, $msg) = @_;
2023		3051
2024	# this weird shuffling is so that direct followup queries	3052	# this weird shuffling is so that direct followup queries
2025	# get handled first	3053	# get handled first
…		…
2037	} else {	3065	} else {
2038	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3066	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2039	}	3067	}
2040	}	3068	}
2041	},	3069	},
		3070	on_exticmd => sub {
		3071	my ($ns, $buf) = @_;
		3072
		3073	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3074
		3075	if (ref $msg) {
		3076	my ($type, $reply, @payload) =
		3077	"ARRAY" eq ref $msg
		3078	? @$msg
		3079	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3080
		3081	my @reply;
		3082
		3083	if (my $cb = $EXTICMD{$type}) {
		3084	@reply = $cb->($ns, @payload);
		3085	}
		3086
		3087	$ns->ext_reply ($reply, @reply)
		3088	if $reply;
		3089
		3090	} else {
		3091	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3092	}
		3093
		3094	cf::override;
		3095	},
2042	);	3096	);
2043		3097
2044	=item $client->async (\&cb)	3098	=item $client->async (\&cb)
2045		3099
2046	Create a new coroutine, running the specified callback. The coroutine will	3100	Create a new coroutine, running the specified callback. The coroutine will
…		…
2087	our $safe = new Safe "safe";	3141	our $safe = new Safe "safe";
2088	our $safe_hole = new Safe::Hole;	3142	our $safe_hole = new Safe::Hole;
2089		3143
2090	$SIG{FPE} = 'IGNORE';	3144	$SIG{FPE} = 'IGNORE';
2091		3145
2092	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3146	$safe->permit_only (Opcode::opset qw(
		3147	:base_core :base_mem :base_orig :base_math
		3148	grepstart grepwhile mapstart mapwhile
		3149	sort time
		3150	));
2093		3151
2094	# here we export the classes and methods available to script code	3152	# here we export the classes and methods available to script code
2095		3153
2096	=pod	3154	=pod
2097		3155
2098	The following fucntions and emthods are available within a safe environment:	3156	The following functions and methods are available within a safe environment:
2099		3157
2100	cf::object contr pay_amount pay_player map	3158	cf::object
		3159	contr pay_amount pay_player map x y force_find force_add destroy
		3160	insert remove name archname title slaying race decrease split
		3161	value
		3162
2101	cf::object::player player	3163	cf::object::player
2102	cf::player peaceful	3164	player
2103	cf::map trigger	3165
		3166	cf::player
		3167	peaceful
		3168
		3169	cf::map
		3170	trigger
2104		3171
2105	=cut	3172	=cut
2106		3173
2107	for (	3174	for (
2108	["cf::object" => qw(contr pay_amount pay_player map)],	3175	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3176	insert remove inv nrof name archname title slaying race
		3177	decrease split destroy change_exp value msg lore send_msg)],
2109	["cf::object::player" => qw(player)],	3178	["cf::object::player" => qw(player)],
2110	["cf::player" => qw(peaceful)],	3179	["cf::player" => qw(peaceful send_msg)],
2111	["cf::map" => qw(trigger)],	3180	["cf::map" => qw(trigger)],
2112	) {	3181	) {
2113	no strict 'refs';	3182	no strict 'refs';
2114	my ($pkg, @funs) = @$_;	3183	my ($pkg, @funs) = @$_;
2115	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3184	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2132	my ($code, %vars) = @_;	3201	my ($code, %vars) = @_;
2133		3202
2134	my $qcode = $code;	3203	my $qcode = $code;
2135	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3204	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2136	$qcode =~ s/\n/\\n/g;	3205	$qcode =~ s/\n/\\n/g;
		3206
		3207	%vars = (_dummy => 0) unless %vars;
2137		3208
2138	local $_;	3209	local $_;
2139	local @safe::cf::_safe_eval_args = values %vars;	3210	local @safe::cf::_safe_eval_args = values %vars;
2140		3211
2141	my $eval =	3212	my $eval =
…		…
2184	=back	3255	=back
2185		3256
2186	=cut	3257	=cut
2187		3258
2188	#############################################################################	3259	#############################################################################
2189
2190	=head2 EXTENSION DATABASE SUPPORT
2191
2192	Crossfire maintains a very simple database for extension use. It can
2193	currently store anything that can be serialised using Storable, which
2194	excludes objects.
2195
2196	The parameter C<$family> should best start with the name of the extension
2197	using it, it should be unique.
2198
2199	=over 4
2200
2201	=item $value = cf::db_get $family => $key
2202
2203	Returns a single value from the database.
2204
2205	=item cf::db_put $family => $key => $value
2206
2207	Stores the given C<$value> in the family.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	sub db_init {
2214	unless ($DB) {
2215	$DB = BDB::db_create $DB_ENV;
2216
2217	cf::sync_job {
2218	eval {
2219	$DB->set_flags (BDB::CHKSUM);
2220
2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2223	cf::cleanup "db_open(db): $!" if $!;
2224	};
2225	cf::cleanup "db_open(db): $@" if $@;
2226	};
2227
2228	my $path = cf::localdir . "/database.pst";
2229	if (stat $path) {
2230	cf::sync_job {
2231	my $pst = Storable::retrieve $path;
2232
2233	cf::db_put (board => data => $pst->{board});
2234	cf::db_put (guildrules => data => $pst->{guildrules});
2235	cf::db_put (rent => balance => $pst->{rent}{balance});
2236	BDB::db_env_txn_checkpoint $DB_ENV;
2237
2238	unlink $path;
2239	};
2240	}
2241	}
2242	}
2243
2244	sub db_get($$) {
2245	my $key = "$_[0]/$_[1]";
2246
2247	cf::sync_job {
2248	BDB::db_get $DB, undef, $key, my $data;
2249
2250	$! ? ()
2251	: Compress::LZF::sthaw $data
2252	}
2253	}
2254
2255	sub db_put($$$) {
2256	BDB::dbreq_pri 4;
2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2258	}
2259
2260	#############################################################################
2261	# the server's init and main functions	3260	# the server's init and main functions
2262		3261
		3262	sub load_facedata($) {
		3263	my ($path) = @_;
		3264
		3265	# HACK to clear player env face cache, we need some signal framework
		3266	# for this (global event?)
		3267	%ext::player_env::MUSIC_FACE_CACHE = ();
		3268
		3269	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3270
		3271	warn "loading facedata from $path\n";
		3272
		3273	my $facedata;
		3274	0 < aio_load $path, $facedata
		3275	or die "$path: $!";
		3276
		3277	$facedata = Coro::Storable::thaw $facedata;
		3278
		3279	$facedata->{version} == 2
		3280	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3281
		3282	# patch in the exptable
		3283	$facedata->{resource}{"res/exp_table"} = {
		3284	type => FT_RSRC,
		3285	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3286	};
		3287	cf::cede_to_tick;
		3288
		3289	{
		3290	my $faces = $facedata->{faceinfo};
		3291
		3292	while (my ($face, $info) = each %$faces) {
		3293	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3294
		3295	cf::face::set_visibility $idx, $info->{visibility};
		3296	cf::face::set_magicmap $idx, $info->{magicmap};
		3297	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3298	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3299
		3300	cf::cede_to_tick;
		3301	}
		3302
		3303	while (my ($face, $info) = each %$faces) {
		3304	next unless $info->{smooth};
		3305
		3306	my $idx = cf::face::find $face
		3307	or next;
		3308
		3309	if (my $smooth = cf::face::find $info->{smooth}) {
		3310	cf::face::set_smooth $idx, $smooth;
		3311	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3312	} else {
		3313	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3314	}
		3315
		3316	cf::cede_to_tick;
		3317	}
		3318	}
		3319
		3320	{
		3321	my $anims = $facedata->{animinfo};
		3322
		3323	while (my ($anim, $info) = each %$anims) {
		3324	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3325	cf::cede_to_tick;
		3326	}
		3327
		3328	cf::anim::invalidate_all; # d'oh
		3329	}
		3330
		3331	{
		3332	# TODO: for gcfclient pleasure, we should give resources
		3333	# that gcfclient doesn't grok a >10000 face index.
		3334	my $res = $facedata->{resource};
		3335
		3336	while (my ($name, $info) = each %$res) {
		3337	if (defined $info->{type}) {
		3338	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3339	my $data;
		3340
		3341	if ($info->{type} & 1) {
		3342	# prepend meta info
		3343
		3344	my $meta = $enc->encode ({
		3345	name => $name,
		3346	%{ $info->{meta} || {} },
		3347	});
		3348
		3349	$data = pack "(w/a*)*", $meta, $info->{data};
		3350	} else {
		3351	$data = $info->{data};
		3352	}
		3353
		3354	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3355	cf::face::set_type $idx, $info->{type};
		3356	} else {
		3357	$RESOURCE{$name} = $info;
		3358	}
		3359
		3360	cf::cede_to_tick;
		3361	}
		3362	}
		3363
		3364	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3365
		3366	1
		3367	}
		3368
		3369	cf::global->attach (on_resource_update => sub {
		3370	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3371	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3372
		3373	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3374	my $sound = $soundconf->{compat}[$_]
		3375	or next;
		3376
		3377	my $face = cf::face::find "sound/$sound->[1]";
		3378	cf::sound::set $sound->[0] => $face;
		3379	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3380	}
		3381
		3382	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3383	my $face = cf::face::find "sound/$v";
		3384	cf::sound::set $k => $face;
		3385	}
		3386	}
		3387	});
		3388
		3389	register_exticmd fx_want => sub {
		3390	my ($ns, $want) = @_;
		3391
		3392	while (my ($k, $v) = each %$want) {
		3393	$ns->fx_want ($k, $v);
		3394	}
		3395	};
		3396
2263	sub load_resources {	3397	sub load_resource_file($) {
2264	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3398	my $guard = lock_acquire "load_resource_file";
		3399
		3400	my $status = load_resource_file_ $_[0];
		3401	get_slot 0.1, 100;
		3402	cf::arch::commit_load;
		3403
		3404	$status
		3405	}
		3406
		3407	sub reload_regions {
		3408	# HACK to clear player env face cache, we need some signal framework
		3409	# for this (global event?)
		3410	%ext::player_env::MUSIC_FACE_CACHE = ();
		3411
		3412	load_resource_file "$MAPDIR/regions"
2265	or die "unable to load regions file\n";#d#	3413	or die "unable to load regions file\n";
2266	}
2267		3414
2268	sub cfg_load {	3415	for (cf::region::list) {
		3416	$_->{match} = qr/$_->{match}/
		3417	if exists $_->{match};
		3418	}
		3419	}
		3420
		3421	sub reload_facedata {
		3422	load_facedata "$DATADIR/facedata"
		3423	or die "unable to load facedata\n";
		3424	}
		3425
		3426	sub reload_archetypes {
		3427	load_resource_file "$DATADIR/archetypes"
		3428	or die "unable to load archetypes\n";
		3429	}
		3430
		3431	sub reload_treasures {
		3432	load_resource_file "$DATADIR/treasures"
		3433	or die "unable to load treasurelists\n";
		3434	}
		3435
		3436	sub reload_resources {
		3437	warn "reloading resource files...\n";
		3438
		3439	reload_facedata;
		3440	reload_archetypes;
		3441	reload_regions;
		3442	reload_treasures;
		3443
		3444	warn "finished reloading resource files\n";
		3445	}
		3446
		3447	sub reload_config {
		3448	warn "reloading config file...\n";
		3449
2269	open my $fh, "<:utf8", cf::confdir . "/config"	3450	open my $fh, "<:utf8", "$CONFDIR/config"
2270	or return;	3451	or return;
2271		3452
2272	local $/;	3453	local $/;
2273	*CFG = YAML::Syck::Load <$fh>;	3454	*CFG = YAML::XS::Load scalar <$fh>;
2274		3455
2275	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3456	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2276		3457
2277	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3458	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2278	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3459	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2282	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3463	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2283	and die "WARNING: m(un)lockall failed: $!\n";	3464	and die "WARNING: m(un)lockall failed: $!\n";
2284	};	3465	};
2285	warn $@ if $@;	3466	warn $@ if $@;
2286	}	3467	}
2287	}
2288		3468
2289	sub init {	3469	warn "finished reloading resource files\n";
2290	load_resources;	3470	}
		3471
		3472	sub pidfile() {
		3473	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3474	or die "$PIDFILE: $!";
		3475	flock $fh, &Fcntl::LOCK_EX
		3476	or die "$PIDFILE: flock: $!";
		3477	$fh
		3478	}
		3479
		3480	# make sure only one server instance is running at any one time
		3481	sub atomic {
		3482	my $fh = pidfile;
		3483
		3484	my $pid = <$fh>;
		3485	kill 9, $pid if $pid > 0;
		3486
		3487	seek $fh, 0, 0;
		3488	print $fh $$;
		3489	}
		3490
		3491	sub main_loop {
		3492	warn "EV::loop starting\n";
		3493	if (1) {
		3494	EV::loop;
		3495	}
		3496	warn "EV::loop returned\n";
		3497	goto &main_loop unless $REALLY_UNLOOP;
2291	}	3498	}
2292		3499
2293	sub main {	3500	sub main {
		3501	cf::init_globals; # initialise logging
		3502
		3503	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3504	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3505	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3506	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3507
		3508	cf::init_experience;
		3509	cf::init_anim;
		3510	cf::init_attackmess;
		3511	cf::init_dynamic;
		3512
		3513	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3514
2294	# we must not ever block the main coroutine	3515	# we must not ever block the main coroutine
2295	local $Coro::idle = sub {	3516	local $Coro::idle = sub {
2296	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3517	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2297	(async {	3518	(async {
2298	Event::one_event;	3519	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3520	EV::loop EV::LOOP_ONESHOT;
2299	})->prio (Coro::PRIO_MAX);	3521	})->prio (Coro::PRIO_MAX);
2300	};	3522	};
2301		3523
2302	cfg_load;	3524	evthread_start IO::AIO::poll_fileno;
		3525
		3526	cf::sync_job {
		3527	reload_resources;
		3528	reload_config;
2303	db_init;	3529	db_init;
		3530
		3531	cf::load_settings;
		3532	cf::load_materials;
		3533	cf::init_uuid;
		3534	cf::init_signals;
		3535	cf::init_commands;
		3536	cf::init_skills;
		3537
		3538	cf::init_beforeplay;
		3539
		3540	atomic;
		3541
2304	load_extensions;	3542	load_extensions;
2305		3543
2306	$TICK_WATCHER->start;	3544	utime time, time, $RUNTIMEFILE;
2307	Event::loop;	3545
		3546	# no (long-running) fork's whatsoever before this point(!)
		3547	use POSIX ();
		3548	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3549
		3550	(pop @POST_INIT)->(0) while @POST_INIT;
		3551	};
		3552
		3553	main_loop;
2308	}	3554	}
2309		3555
2310	#############################################################################	3556	#############################################################################
2311	# initialisation and cleanup	3557	# initialisation and cleanup
2312		3558
2313	# install some emergency cleanup handlers	3559	# install some emergency cleanup handlers
2314	BEGIN {	3560	BEGIN {
		3561	our %SIGWATCHER = ();
2315	for my $signal (qw(INT HUP TERM)) {	3562	for my $signal (qw(INT HUP TERM)) {
2316	Event->signal (	3563	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2317	reentrant => 0,
2318	data => WF_AUTOCANCEL,
2319	signal => $signal,
2320	prio => 0,
2321	cb => sub {
2322	cf::cleanup "SIG$signal";	3564	cf::cleanup "SIG$signal";
2323	},
2324	);	3565	};
		3566	}
		3567	}
		3568
		3569	sub write_runtime_sync {
		3570	# first touch the runtime file to show we are still running:
		3571	# the fsync below can take a very very long time.
		3572
		3573	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3574
		3575	my $guard = cf::lock_acquire "write_runtime";
		3576
		3577	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3578	or return;
		3579
		3580	my $value = $cf::RUNTIME + 90 + 10;
		3581	# 10 is the runtime save interval, for a monotonic clock
		3582	# 60 allows for the watchdog to kill the server.
		3583
		3584	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3585	and return;
		3586
		3587	# always fsync - this file is important
		3588	aio_fsync $fh
		3589	and return;
		3590
		3591	# touch it again to show we are up-to-date
		3592	aio_utime $fh, undef, undef;
		3593
		3594	close $fh
		3595	or return;
		3596
		3597	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3598	and return;
		3599
		3600	warn "runtime file written.\n";
		3601
2325	}	3602	1
		3603	}
		3604
		3605	our $uuid_lock;
		3606	our $uuid_skip;
		3607
		3608	sub write_uuid_sync($) {
		3609	$uuid_skip ||= $_[0];
		3610
		3611	return if $uuid_lock;
		3612	local $uuid_lock = 1;
		3613
		3614	my $uuid = "$LOCALDIR/uuid";
		3615
		3616	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3617	or return;
		3618
		3619	my $value = uuid_seq uuid_cur;
		3620
		3621	unless ($value) {
		3622	warn "cowardly refusing to write zero uuid value!\n";
		3623	return;
		3624	}
		3625
		3626	my $value = uuid_str $value + $uuid_skip;
		3627	$uuid_skip = 0;
		3628
		3629	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3630	and return;
		3631
		3632	# always fsync - this file is important
		3633	aio_fsync $fh
		3634	and return;
		3635
		3636	close $fh
		3637	or return;
		3638
		3639	aio_rename "$uuid~", $uuid
		3640	and return;
		3641
		3642	warn "uuid file written ($value).\n";
		3643
		3644	1
		3645
		3646	}
		3647
		3648	sub write_uuid($$) {
		3649	my ($skip, $sync) = @_;
		3650
		3651	$sync ? write_uuid_sync $skip
		3652	: async { write_uuid_sync $skip };
2326	}	3653	}
2327		3654
2328	sub emergency_save() {	3655	sub emergency_save() {
2329	my $freeze_guard = cf::freeze_mainloop;	3656	my $freeze_guard = cf::freeze_mainloop;
2330		3657
2331	warn "enter emergency perl save\n";	3658	warn "emergency_perl_save: enter\n";
2332		3659
2333	cf::sync_job {	3660	cf::sync_job {
		3661	# this is a trade-off: we want to be very quick here, so
		3662	# save all maps without fsync, and later call a global sync
		3663	# (which in turn might be very very slow)
		3664	local $USE_FSYNC = 0;
		3665
2334	# use a peculiar iteration method to avoid tripping on perl	3666	# use a peculiar iteration method to avoid tripping on perl
2335	# refcount bugs in for. also avoids problems with players	3667	# refcount bugs in for. also avoids problems with players
2336	# and maps saved/destroyed asynchronously.	3668	# and maps saved/destroyed asynchronously.
2337	warn "begin emergency player save\n";	3669	warn "emergency_perl_save: begin player save\n";
2338	for my $login (keys %cf::PLAYER) {	3670	for my $login (keys %cf::PLAYER) {
2339	my $pl = $cf::PLAYER{$login} or next;	3671	my $pl = $cf::PLAYER{$login} or next;
2340	$pl->valid or next;	3672	$pl->valid or next;
		3673	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2341	$pl->save;	3674	$pl->save;
2342	}	3675	}
2343	warn "end emergency player save\n";	3676	warn "emergency_perl_save: end player save\n";
2344		3677
2345	warn "begin emergency map save\n";	3678	warn "emergency_perl_save: begin map save\n";
2346	for my $path (keys %cf::MAP) {	3679	for my $path (keys %cf::MAP) {
2347	my $map = $cf::MAP{$path} or next;	3680	my $map = $cf::MAP{$path} or next;
2348	$map->valid or next;	3681	$map->valid or next;
2349	$map->save;	3682	$map->save;
2350	}	3683	}
2351	warn "end emergency map save\n";	3684	warn "emergency_perl_save: end map save\n";
2352		3685
2353	warn "begin emergency database checkpoint\n";	3686	warn "emergency_perl_save: begin database checkpoint\n";
2354	BDB::db_env_txn_checkpoint $DB_ENV;	3687	BDB::db_env_txn_checkpoint $DB_ENV;
2355	warn "end emergency database checkpoint\n";	3688	warn "emergency_perl_save: end database checkpoint\n";
		3689
		3690	warn "emergency_perl_save: begin write uuid\n";
		3691	write_uuid_sync 1;
		3692	warn "emergency_perl_save: end write uuid\n";
2356	};	3693	};
2357		3694
		3695	warn "emergency_perl_save: starting sync()\n";
		3696	IO::AIO::aio_sync sub {
		3697	warn "emergency_perl_save: finished sync()\n";
		3698	};
		3699
2358	warn "leave emergency perl save\n";	3700	warn "emergency_perl_save: leave\n";
2359	}	3701	}
2360		3702
2361	sub post_cleanup {	3703	sub post_cleanup {
2362	my ($make_core) = @_;	3704	my ($make_core) = @_;
2363		3705
2364	warn Carp::longmess "post_cleanup backtrace"	3706	warn Carp::longmess "post_cleanup backtrace"
2365	if $make_core;	3707	if $make_core;
2366	}
2367		3708
		3709	my $fh = pidfile;
		3710	unlink $PIDFILE if <$fh> == $$;
		3711	}
		3712
		3713	# a safer delete_package, copied from Symbol
		3714	sub clear_package($) {
		3715	my $pkg = shift;
		3716
		3717	# expand to full symbol table name if needed
		3718	unless ($pkg =~ /^main::.*::$/) {
		3719	$pkg = "main$pkg" if $pkg =~ /^::/;
		3720	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3721	$pkg .= '::' unless $pkg =~ /::$/;
		3722	}
		3723
		3724	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3725	my $stem_symtab = *{$stem}{HASH};
		3726
		3727	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3728	or return;
		3729
		3730	# clear all symbols
		3731	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3732	for my $name (keys %$leaf_symtab) {
		3733	_gv_clear *{"$pkg$name"};
		3734	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3735	}
		3736	warn "cleared package $pkg\n";#d#
		3737	}
		3738
2368	sub reload() {	3739	sub do_reload_perl() {
2369	# can/must only be called in main	3740	# can/must only be called in main
2370	if ($Coro::current != $Coro::main) {	3741	if ($Coro::current != $Coro::main) {
2371	warn "can only reload from main coroutine";	3742	warn "can only reload from main coroutine";
2372	return;	3743	return;
2373	}	3744	}
2374		3745
		3746	return if $RELOAD++;
		3747
		3748	my $t1 = EV::time;
		3749
		3750	while ($RELOAD) {
2375	warn "reloading...";	3751	warn "reloading...";
2376		3752
2377	warn "cancelling server ticker";	3753	warn "entering sync_job";
2378	$TICK_WATCHER->cancel;
2379		3754
		3755	cf::sync_job {
		3756	cf::write_runtime_sync; # external watchdog should not bark
2380	cf::emergency_save;	3757	cf::emergency_save;
		3758	cf::write_runtime_sync; # external watchdog should not bark
2381		3759
2382	eval {	3760	warn "syncing database to disk";
		3761	BDB::db_env_txn_checkpoint $DB_ENV;
		3762
2383	# if anything goes wrong in here, we should simply crash as we already saved	3763	# if anything goes wrong in here, we should simply crash as we already saved
2384		3764
2385	warn "cancelling all WF_AUTOCANCEL watchers";
2386	for (Event::all_watchers) {
2387	$_->cancel if $_->data & WF_AUTOCANCEL;
2388	}
2389
2390	warn "syncing database to disk";
2391	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2392
2393	warn "flushing outstanding aio requests";	3765	warn "flushing outstanding aio requests";
2394	for (;;) {
2395	BDB::flush;
2396	IO::AIO::flush;
2397	Coro::cede;
2398	last unless IO::AIO::nreqs || BDB::nreqs;	3766	while (IO::AIO::nreqs || BDB::nreqs) {
2399	warn "iterate...";	3767	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2400	}
2401
2402	warn "cancelling all extension coros";
2403	$_->cancel for values %EXT_CORO;
2404	%EXT_CORO = ();
2405
2406	warn "removing commands";
2407	%COMMAND = ();
2408
2409	warn "removing ext commands";
2410	%EXTCMD = ();
2411
2412	warn "unloading/nuking all extensions";
2413	for my $pkg (@EXTS) {
2414	warn "... unloading $pkg";
2415
2416	if (my $cb = $pkg->can ("unload")) {
2417	eval {
2418	$cb->($pkg);
2419	1
2420	} or warn "$pkg unloaded, but with errors: $@";
2421	}	3768	}
2422		3769
2423	warn "... nuking $pkg";	3770	warn "cancelling all extension coros";
2424	Symbol::delete_package $pkg;	3771	$_->cancel for values %EXT_CORO;
2425	}	3772	%EXT_CORO = ();
2426		3773
2427	warn "unloading all perl modules loaded from $LIBDIR";	3774	warn "removing commands";
2428	while (my ($k, $v) = each %INC) {	3775	%COMMAND = ();
2429	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2430		3776
		3777	warn "removing ext/exti commands";
		3778	%EXTCMD = ();
		3779	%EXTICMD = ();
		3780
		3781	warn "unloading/nuking all extensions";
		3782	for my $pkg (@EXTS) {
2431	warn "... unloading $k";	3783	warn "... unloading $pkg";
2432	delete $INC{$k};
2433		3784
2434	$k =~ s/\.pm$//;
2435	$k =~ s/\//::/g;
2436
2437	if (my $cb = $k->can ("unload_module")) {	3785	if (my $cb = $pkg->can ("unload")) {
		3786	eval {
2438	$cb->();	3787	$cb->($pkg);
		3788	1
		3789	} or warn "$pkg unloaded, but with errors: $@";
		3790	}
		3791
		3792	warn "... clearing $pkg";
		3793	clear_package $pkg;
2439	}	3794	}
2440		3795
2441	Symbol::delete_package $k;	3796	warn "unloading all perl modules loaded from $LIBDIR";
		3797	while (my ($k, $v) = each %INC) {
		3798	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3799
		3800	warn "... unloading $k";
		3801	delete $INC{$k};
		3802
		3803	$k =~ s/\.pm$//;
		3804	$k =~ s/\//::/g;
		3805
		3806	if (my $cb = $k->can ("unload_module")) {
		3807	$cb->();
		3808	}
		3809
		3810	clear_package $k;
2442	}	3811	}
2443		3812
2444	warn "getting rid of safe::, as good as possible";	3813	warn "getting rid of safe::, as good as possible";
2445	Symbol::delete_package "safe::$_"	3814	clear_package "safe::$_"
2446	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3815	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2447		3816
2448	warn "unloading cf.pm \"a bit\"";	3817	warn "unloading cf.pm \"a bit\"";
2449	delete $INC{"cf.pm"};	3818	delete $INC{"cf.pm"};
		3819	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2450		3820
2451	# don't, removes xs symbols, too,	3821	# don't, removes xs symbols, too,
2452	# and global variables created in xs	3822	# and global variables created in xs
2453	#Symbol::delete_package __PACKAGE__;	3823	#clear_package __PACKAGE__;
2454		3824
2455	warn "unload completed, starting to reload now";	3825	warn "unload completed, starting to reload now";
2456		3826
2457	warn "reloading cf.pm";	3827	warn "reloading cf.pm";
2458	require cf;	3828	require cf;
2459	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3829	cf::_connect_to_perl_1;
2460		3830
2461	warn "loading config and database again";	3831	warn "loading config and database again";
2462	cf::cfg_load;	3832	cf::reload_config;
2463		3833
2464	warn "loading extensions";	3834	warn "loading extensions";
2465	cf::load_extensions;	3835	cf::load_extensions;
2466		3836
		3837	if ($REATTACH_ON_RELOAD) {
2467	warn "reattaching attachments to objects/players";	3838	warn "reattaching attachments to objects/players";
2468	_global_reattach;	3839	_global_reattach; # objects, sockets
2469	warn "reattaching attachments to maps";	3840	warn "reattaching attachments to maps";
2470	reattach $_ for values %MAP;	3841	reattach $_ for values %MAP;
		3842	warn "reattaching attachments to players";
		3843	reattach $_ for values %PLAYER;
		3844	}
2471		3845
2472	warn "loading reloadable resources";	3846	warn "running post_init jobs";
2473	load_resources;	3847	(pop @POST_INIT)->(1) while @POST_INIT;
2474		3848
2475	warn "restarting server ticker";	3849	warn "leaving sync_job";
2476		3850
2477	$TICK_WATCHER->start;	3851	1
		3852	} or do {
		3853	warn $@;
		3854	cf::cleanup "error while reloading, exiting.";
		3855	};
		3856
		3857	warn "reloaded";
		3858	--$RELOAD;
		3859	}
		3860
		3861	$t1 = EV::time - $t1;
		3862	warn "reload completed in ${t1}s\n";
		3863	};
		3864
		3865	our $RELOAD_WATCHER; # used only during reload
		3866
		3867	sub reload_perl() {
		3868	# doing reload synchronously and two reloads happen back-to-back,
		3869	# coro crashes during coro_state_free->destroy here.
		3870
		3871	$RELOAD_WATCHER ||= cf::async {
		3872	Coro::AIO::aio_wait cache_extensions;
		3873
		3874	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3875	do_reload_perl;
		3876	undef $RELOAD_WATCHER;
		3877	};
2478	};	3878	};
2479		3879	}
2480	if ($@) {
2481	warn $@;
2482	warn "error while reloading, exiting.";
2483	exit 1;
2484	}
2485
2486	warn "reloaded";
2487	};
2488
2489	our $RELOAD_WATCHER; # used only during reload
2490		3880
2491	register_command "reload" => sub {	3881	register_command "reload" => sub {
2492	my ($who, $arg) = @_;	3882	my ($who, $arg) = @_;
2493		3883
2494	if ($who->flag (FLAG_WIZ)) {	3884	if ($who->flag (FLAG_WIZ)) {
2495	$who->message ("reloading server.");	3885	$who->message ("reloading server.");
2496		3886	async {
2497	# doing reload synchronously and two reloads happen back-to-back,	3887	$Coro::current->{desc} = "perl_reload";
2498	# coro crashes during coro_state_free->destroy here.
2499
2500	$RELOAD_WATCHER ||= Event->timer (
2501	reentrant => 0,
2502	after => 0,
2503	data => WF_AUTOCANCEL,
2504	cb => sub {
2505	reload;	3888	reload_perl;
2506	undef $RELOAD_WATCHER;
2507	},
2508	);	3889	};
2509	}	3890	}
2510	};	3891	};
2511		3892
2512	unshift @INC, $LIBDIR;	3893	unshift @INC, $LIBDIR;
2513		3894
2514	my $bug_warning = 0;	3895	my $bug_warning = 0;
2515		3896
2516	$TICK_WATCHER = Event->timer (	3897	our @WAIT_FOR_TICK;
2517	reentrant => 0,	3898	our @WAIT_FOR_TICK_BEGIN;
2518	parked => 1,	3899
2519	prio => 0,	3900	sub wait_for_tick {
2520	at => $NEXT_TICK || $TICK,	3901	return if tick_inhibit || $Coro::current == $Coro::main;
2521	data => WF_AUTOCANCEL,	3902
2522	cb => sub {	3903	my $signal = new Coro::Signal;
		3904	push @WAIT_FOR_TICK, $signal;
		3905	$signal->wait;
		3906	}
		3907
		3908	sub wait_for_tick_begin {
		3909	return if tick_inhibit || $Coro::current == $Coro::main;
		3910
		3911	my $signal = new Coro::Signal;
		3912	push @WAIT_FOR_TICK_BEGIN, $signal;
		3913	$signal->wait;
		3914	}
		3915
		3916	sub tick {
2523	if ($Coro::current != $Coro::main) {	3917	if ($Coro::current != $Coro::main) {
2524	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3918	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2525	unless ++$bug_warning > 10;	3919	unless ++$bug_warning > 10;
2526	return;	3920	return;
2527	}	3921	}
2528		3922
2529	$NOW = Event::time;
2530
2531	cf::server_tick; # one server iteration	3923	cf::server_tick; # one server iteration
2532	$RUNTIME += $TICK;
2533	$NEXT_TICK += $TICK;
2534		3924
2535	$WAIT_FOR_TICK->broadcast;	3925	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2536	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3926	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		3927	Coro::async_pool {
		3928	$Coro::current->{desc} = "runtime saver";
		3929	write_runtime_sync
		3930	or warn "ERROR: unable to write runtime file: $!";
		3931	};
		3932	}
2537		3933
2538	Event::sweep;	3934	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2539	Coro::cede_notself;	3935	$sig->send;
		3936	}
		3937	while (my $sig = shift @WAIT_FOR_TICK) {
		3938	$sig->send;
		3939	}
		3940
		3941	$LOAD = ($NOW - $TICK_START) / $TICK;
		3942	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3943
		3944	if (0) {
		3945	if ($NEXT_TICK) {
		3946	my $jitter = $TICK_START - $NEXT_TICK;
		3947	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3948	warn "jitter $JITTER\n";#d#
2540		3949	}
2541	# my $AFTER = Event::time;
2542	# warn $AFTER - $NOW;#d#
2543
2544	# if we are delayed by four ticks or more, skip them all
2545	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2546
2547	$TICK_WATCHER->at ($NEXT_TICK);
2548	$TICK_WATCHER->start;
2549	},	3950	}
2550	);	3951	}
2551		3952
2552	{	3953	{
2553	BDB::max_poll_time $TICK * 0.1;	3954	# configure BDB
2554	$BDB_POLL_WATCHER = Event->io (	3955
2555	reentrant => 0,
2556	fd => BDB::poll_fileno,
2557	poll => 'r',
2558	prio => 0,
2559	data => WF_AUTOCANCEL,
2560	cb => \&BDB::poll_cb,
2561	);
2562	BDB::min_parallel 8;	3956	BDB::min_parallel 8;
2563		3957	BDB::max_poll_reqs $TICK * 0.1;
2564	BDB::set_sync_prepare {	3958	$AnyEvent::BDB::WATCHER->priority (1);
2565	my $status;
2566	my $current = $Coro::current;
2567	(
2568	sub {
2569	$status = $!;
2570	$current->ready; undef $current;
2571	},
2572	sub {
2573	Coro::schedule while defined $current;
2574	$! = $status;
2575	},
2576	)
2577	};
2578		3959
2579	unless ($DB_ENV) {	3960	unless ($DB_ENV) {
2580	$DB_ENV = BDB::db_env_create;	3961	$DB_ENV = BDB::db_env_create;
		3962	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3963	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3964	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3965	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3966	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2581		3967
2582	cf::sync_job {	3968	cf::sync_job {
2583	eval {	3969	eval {
2584	BDB::db_env_open	3970	BDB::db_env_open
2585	$DB_ENV,	3971	$DB_ENV,
2586	$BDB_ENV_DIR,	3972	$BDBDIR,
2587	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3973	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2588	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3974	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2589	0666;	3975	0666;
2590		3976
2591	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3977	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2592
2593	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2594	$DB_ENV->set_lk_detect;
2595	};	3978	};
2596		3979
2597	cf::cleanup "db_env_open(db): $@" if $@;	3980	cf::cleanup "db_env_open(db): $@" if $@;
2598	};	3981	};
2599	}	3982	}
		3983
		3984	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3985	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3986	};
		3987	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3988	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3989	};
		3990	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3991	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3992	};
2600	}	3993	}
2601		3994
2602	{	3995	{
		3996	# configure IO::AIO
		3997
2603	IO::AIO::min_parallel 8;	3998	IO::AIO::min_parallel 8;
2604
2605	undef $Coro::AIO::WATCHER;
2606	IO::AIO::max_poll_time $TICK * 0.1;	3999	IO::AIO::max_poll_time $TICK * 0.1;
2607	$AIO_POLL_WATCHER = Event->io (	4000	undef $AnyEvent::AIO::WATCHER;
2608	reentrant => 0,
2609	fd => IO::AIO::poll_fileno,
2610	poll => 'r',
2611	prio => 6,
2612	data => WF_AUTOCANCEL,
2613	cb => \&IO::AIO::poll_cb,
2614	);
2615	}	4001	}
2616		4002
2617	$WRITE_RUNTIME_WATCHER = Event->timer (	4003	my $_log_backtrace;
2618	reentrant => 0,	4004
2619	data => WF_AUTOCANCEL,	4005	sub _log_backtrace {
2620	after => 1,	4006	my ($msg, @addr) = @_;
2621	interval => 10,	4007
2622	prio => 6, # keep it lowest so it acts like a watchdog	4008	$msg =~ s/\n//;
2623	cb => Coro::unblock_sub {	4009
2624	write_runtime	4010	# limit the # of concurrent backtraces
2625	or warn "ERROR: unable to write runtime file: $!";	4011	if ($_log_backtrace < 2) {
		4012	++$_log_backtrace;
		4013	my $perl_bt = Carp::longmess $msg;
		4014	async {
		4015	$Coro::current->{desc} = "abt $msg";
		4016
		4017	my @bt = fork_call {
		4018	@addr = map { sprintf "%x", $_ } @addr;
		4019	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4020	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4021	or die "addr2line: $!";
		4022
		4023	my @funcs;
		4024	my @res = <$fh>;
		4025	chomp for @res;
		4026	while (@res) {
		4027	my ($func, $line) = splice @res, 0, 2, ();
		4028	push @funcs, "[$func] $line";
		4029	}
		4030
		4031	@funcs
		4032	};
		4033
		4034	LOG llevInfo, "[ABT] $perl_bt\n";
		4035	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4036	LOG llevInfo, "[ABT] $_\n" for @bt;
		4037	--$_log_backtrace;
		4038	};
		4039	} else {
		4040	LOG llevInfo, "[ABT] $msg\n";
		4041	LOG llevInfo, "[ABT] [suppressed]\n";
2626	},	4042	}
2627	);	4043	}
		4044
		4045	# load additional modules
		4046	require "cf/$_.pm" for @EXTRA_MODULES;
		4047	cf::_connect_to_perl_2;
2628		4048
2629	END { cf::emergency_save }	4049	END { cf::emergency_save }
2630		4050
2631	1	4051	1
2632		4052

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines