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 1.227 by root, Fri Mar 23 18:32:48 2007 UTC vs.
Revision 1.506 by root, Wed Feb 3 20:48:22 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 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;
9	use Event;	32	use EV;
10	use Opcode;	33	use Opcode;
11	use Safe;	34	use Safe;
12	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
13		38
		39	use Guard ();
14	use Coro 3.52 ();	40	use Coro ();
15	use Coro::State;	41	use Coro::State;
		42	use Coro::Handle;
		43	use Coro::EV;
16	use Coro::Event;	44	use Coro::AnyEvent;
17	use Coro::Timer;	45	use Coro::Timer;
18	use Coro::Signal;	46	use Coro::Signal;
19	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
20	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
		52	use Coro::Storable;
		53	use Coro::Util ();
21		54
		55	use JSON::XS 2.01 ();
22	use BDB ();	56	use BDB ();
23	use Data::Dumper;	57	use Data::Dumper;
24	use Digest::MD5;
25	use Fcntl;	58	use Fcntl;
26	use YAML::Syck ();	59	use YAML::XS ();
27	use IO::AIO 2.32 ();	60	use IO::AIO ();
28	use Time::HiRes;	61	use Time::HiRes;
29	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
30		66
31	# configure various modules to our taste	67	# configure various modules to our taste
32	#	68	#
		69	$Storable::canonical = 1; # reduce rsync transfers
33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
35		77
36	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
37		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
39	$YAML::Syck::ImplicitUnicode = 1;
40
41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
42		80
43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
44		82
45	our %COMMAND = ();	83	our %COMMAND = ();
46	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
47		85
48	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
52		91
53	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
54	our @EVENT;	93	our @EVENT;
55	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
56		96
57	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
58	our $TICK_WATCHER;	98	our $DATADIR = datadir;
59	our $AIO_POLL_WATCHER;	99	our $LIBDIR = "$DATADIR/ext";
		100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
		112
		113	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	114	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	115	our $NEXT_TICK;
62	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off	116	our $USE_FSYNC = 1; # use fsync to write maps - default on
64		117
		118	our $BDB_DEADLOCK_WATCHER;
		119	our $BDB_CHECKPOINT_WATCHER;
65	our $BDB_POLL_WATCHER;	120	our $BDB_TRICKLE_WATCHER;
66	our $DB_ENV;	121	our $DB_ENV;
		122
		123	our @EXTRA_MODULES = qw(pod match mapscript);
67		124
68	our %CFG;	125	our %CFG;
69		126
70	our $UPTIME; $UPTIME ||= time;	127	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;	128	our $RUNTIME;
		129	our $NOW;
72		130
73	our %PLAYER; # all users	131	our (%PLAYER, %PLAYER_LOADING); # all users
74	our %MAP; # all maps	132	our (%MAP, %MAP_LOADING ); # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	133	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		134
82	# used to convert map paths into valid unix filenames by replacing / by ∕	135	# used to convert map paths into valid unix filenames by replacing / by ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	136	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		137
		138	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		139	our $LOADAVG; # same thing, but with alpha-smoothing
		140	our $JITTER; # average jitter
		141	our $TICK_START; # for load detecting purposes
		142
		143	our @POST_INIT;
		144
		145	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		146	our $REALLY_UNLOOP; # never set to true, please :)
		147
85	binmode STDOUT;	148	binmode STDOUT;
86	binmode STDERR;	149	binmode STDERR;
87		150
88	# read virtual server time, if available	151	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	152	unless ($RUNTIME || !-e $RUNTIMEFILE) {
90	open my $fh, "<", cf::localdir . "/runtime"	153	open my $fh, "<", $RUNTIMEFILE
91	or die "unable to read runtime file: $!";	154	or die "unable to read $RUNTIMEFILE file: $!";
92	$RUNTIME = <$fh> + 0.;	155	$RUNTIME = <$fh> + 0.;
93	}	156	}
94		157
95	mkdir cf::localdir;	158	eval "sub TICK() { $TICK } 1" or die;
96	mkdir cf::localdir . "/" . cf::playerdir;	159
97	mkdir cf::localdir . "/" . cf::tmpdir;	160	mkdir $_
98	mkdir cf::localdir . "/" . cf::uniquedir;	161	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		162
102	our $EMERGENCY_POSITION;	163	our $EMERGENCY_POSITION;
103		164
104	sub cf::map::normalise;	165	sub cf::map::normalise;
		166
		167	#############################################################################
		168
		169	%REFLECT = ();
		170	for (@REFLECT) {
		171	my $reflect = JSON::XS::decode_json $_;
		172	$REFLECT{$reflect->{class}} = $reflect;
		173	}
		174
		175	# this is decidedly evil
		176	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
105		177
106	#############################################################################	178	#############################################################################
107		179
108	=head2 GLOBAL VARIABLES	180	=head2 GLOBAL VARIABLES
109		181
…		…
116	=item $cf::RUNTIME	188	=item $cf::RUNTIME
117		189
118	The time this server has run, starts at 0 and is increased by $cf::TICK on	190	The time this server has run, starts at 0 and is increased by $cf::TICK on
119	every server tick.	191	every server tick.
120		192
121	=item $cf::LIBDIR	193	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		194	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		195	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
122		196
123	The perl library directory, where extensions and cf-specific modules can	197	Various directories - "/etc", read-only install directory, perl-library
124	be found. It will be added to C<@INC> automatically.	198	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		199	unique-items directory, player file directory, random maps directory and
		200	database environment.
125		201
126	=item $cf::NOW	202	=item $cf::NOW
127		203
128	The time of the last (current) server tick.	204	The time of the last (current) server tick.
129		205
130	=item $cf::TICK	206	=item $cf::TICK
131		207
132	The interval between server ticks, in seconds.	208	The interval between server ticks, in seconds.
133		209
		210	=item $cf::LOADAVG
		211
		212	The current CPU load on the server (alpha-smoothed), as a value between 0
		213	(none) and 1 (overloaded), indicating how much time is spent on processing
		214	objects per tick. Healthy values are < 0.5.
		215
		216	=item $cf::LOAD
		217
		218	The raw value load value from the last tick.
		219
134	=item %cf::CFG	220	=item %cf::CFG
135		221
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	222	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
137	from wherever your confdir points to.	223	from wherever your confdir points to.
138		224
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	225	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		226
141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	227	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	228	returns directly I<after> the tick processing (and consequently, can only wake one process
143	processing has been done. Call C<< ->wait >> on them to maximise the	229	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
144	window of cpu time available, or simply to synchronise to the server tick.	230
		231	=item @cf::INVOKE_RESULTS
		232
		233	This array contains the results of the last C<invoke ()> call. When
		234	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		235	that call.
		236
		237	=item %cf::REFLECT
		238
		239	Contains, for each (C++) class name, a hash reference with information
		240	about object members (methods, scalars, arrays and flags) and other
		241	metadata, which is useful for introspection.
145		242
146	=back	243	=back
147		244
148	=cut	245	=cut
149		246
150	BEGIN {	247	$Coro::State::WARNHOOK = sub {
151	*CORE::GLOBAL::warn = sub {
152	my $msg = join "", @_;	248	my $msg = join "", @_;
153	utf8::encode $msg;
154		249
155	$msg .= "\n"	250	$msg .= "\n"
156	unless $msg =~ /\n$/;	251	unless $msg =~ /\n$/;
157		252
		253	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		254
158	LOG llevError, $msg;	255	LOG llevError, $msg;
159	};	256	};
160	}	257
		258	$Coro::State::DIEHOOK = sub {
		259	return unless $^S eq 0; # "eq", not "=="
		260
		261	warn Carp::longmess $_[0];
		262
		263	if ($Coro::current == $Coro::main) {#d#
		264	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		265	return;#d#
		266	}#d#
		267
		268	# kill coroutine otherwise
		269	Coro::terminate
		270	};
161		271
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	272	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	273	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	274	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	275	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	276	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		277	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
167	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	278	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
168		279
169	# we bless all objects into (empty) derived classes to force a method lookup	280	# we bless all objects into (empty) derived classes to force a method lookup
170	# within the Safe compartment.	281	# within the Safe compartment.
171	for my $pkg (qw(	282	for my $pkg (qw(
172	cf::global cf::attachable	283	cf::global cf::attachable
173	cf::object cf::object::player	284	cf::object cf::object::player
174	cf::client cf::player	285	cf::client cf::player
175	cf::arch cf::living	286	cf::arch cf::living
		287	cf::map cf::mapspace
176	cf::map cf::party cf::region	288	cf::party cf::region
177	)) {	289	)) {
178	no strict 'refs';
179	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	290	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
180	}	291	}
181		292
182	$Event::DIED = sub {	293	$EV::DIED = sub {
183	warn "error in event callback: @_";	294	Carp::cluck "error in event callback: @_";
184	};	295	};
		296
		297	#############################################################################
185		298
186	=head2 UTILITY FUNCTIONS	299	=head2 UTILITY FUNCTIONS
187		300
188	=over 4	301	=over 4
189		302
…		…
208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	321	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
209	$d	322	$d
210	} || "[unable to dump $_[0]: '$@']";	323	} || "[unable to dump $_[0]: '$@']";
211	}	324	}
212		325
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	326	=item $ref = cf::decode_json $json
216		327
217	Converts a JSON string into the corresponding perl data structure.	328	Converts a JSON string into the corresponding perl data structure.
218		329
219	=item $json = cf::to_json $ref	330	=item $json = cf::encode_json $ref
220		331
221	Converts a perl data structure into its JSON representation.	332	Converts a perl data structure into its JSON representation.
222		333
		334	=cut
		335
		336	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		337
		338	sub encode_json($) { $json_coder->encode ($_[0]) }
		339	sub decode_json($) { $json_coder->decode ($_[0]) }
		340
		341	=item cf::post_init { BLOCK }
		342
		343	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		344	but I<before> the server starts ticking again.
		345
		346	The cdoeblock will have a single boolean argument to indicate whether this
		347	is a reload or not.
		348
		349	=cut
		350
		351	sub post_init(&) {
		352	push @POST_INIT, shift;
		353	}
		354
223	=item cf::lock_wait $string	355	=item cf::lock_wait $string
224		356
225	Wait until the given lock is available. See cf::lock_acquire.	357	Wait until the given lock is available. See cf::lock_acquire.
226		358
227	=item my $lock = cf::lock_acquire $string	359	=item my $lock = cf::lock_acquire $string
228		360
229	Wait until the given lock is available and then acquires it and returns	361	Wait until the given lock is available and then acquires it and returns
230	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	362	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
231	for example when the coroutine gets canceled), the lock is automatically	363	for example when the coroutine gets canceled), the lock is automatically
232	returned.	364	returned.
233		365
		366	Locks are *not* recursive, locking from the same coro twice results in a
		367	deadlocked coro.
		368
234	Lock names should begin with a unique identifier (for example, cf::map::find	369	Lock names should begin with a unique identifier (for example, cf::map::find
235	uses map_find and cf::map::load uses map_load).	370	uses map_find and cf::map::load uses map_load).
236		371
237	=cut	372	=item $locked = cf::lock_active $string
238		373
239	our %LOCK;	374	Return true if the lock is currently active, i.e. somebody has locked it.
		375
		376	=cut
		377
		378	our $LOCKS = new Coro::SemaphoreSet;
240		379
241	sub lock_wait($) {	380	sub lock_wait($) {
242	my ($key) = @_;	381	$LOCKS->wait ($_[0]);
243
244	# wait for lock, if any
245	while ($LOCK{$key}) {
246	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;
248	}
249	}	382	}
250		383
251	sub lock_acquire($) {	384	sub lock_acquire($) {
252	my ($key) = @_;	385	$LOCKS->guard ($_[0])
		386	}
253		387
254	# wait, to be sure we are not locked	388	sub lock_active($) {
255	lock_wait $key;	389	$LOCKS->count ($_[0]) < 1
256
257	$LOCK{$key} = [];
258
259	Coro::guard {
260	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };
262	}
263	}	390	}
264		391
265	sub freeze_mainloop {	392	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	393	tick_inhibit_inc;
267		394
268	my $guard = Coro::guard {	395	&Guard::guard (\&tick_inhibit_dec);
269	$TICK_WATCHER->start;	396	}
		397
		398	=item cf::periodic $interval, $cb
		399
		400	Like EV::periodic, but randomly selects a starting point so that the actions
		401	get spread over timer.
		402
		403	=cut
		404
		405	sub periodic($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
		411	}
		412
		413	=item cf::get_slot $time[, $priority[, $name]]
		414
		415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		416	This call blocks and returns only when you have at least C<$time> seconds
		417	of cpu time till the next tick. The slot is only valid till the next cede.
		418
		419	The optional C<$name> can be used to identify the job to run. It might be
		420	used for statistical purposes and should identify the same time-class.
		421
		422	Useful for short background jobs.
		423
		424	=cut
		425
		426	our @SLOT_QUEUE;
		427	our $SLOT_QUEUE;
		428	our $SLOT_DECAY = 0.9;
		429
		430	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		431	$SLOT_QUEUE = Coro::async {
		432	$Coro::current->desc ("timeslot manager");
		433
		434	my $signal = new Coro::Signal;
		435	my $busy;
		436
		437	while () {
		438	next_job:
		439
		440	my $avail = cf::till_tick;
		441
		442	for (0 .. $#SLOT_QUEUE) {
		443	if ($SLOT_QUEUE[$_][0] <= $avail) {
		444	$busy = 0;
		445	my $job = splice @SLOT_QUEUE, $_, 1, ();
		446	$job->[2]->send;
		447	Coro::cede;
		448	goto next_job;
		449	} else {
		450	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		451	}
		452	}
		453
		454	if (@SLOT_QUEUE) {
		455	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		456	push @cf::WAIT_FOR_TICK, $signal;
		457	$signal->wait;
		458	} else {
		459	$busy = 0;
		460	Coro::schedule;
		461	}
270	};	462	}
271	$TICK_WATCHER->stop;	463	};
272	$guard	464
		465	sub get_slot($;$$) {
		466	return if tick_inhibit || $Coro::current == $Coro::main;
		467
		468	my ($time, $pri, $name) = @_;
		469
		470	$time = clamp $time, 0.01, $TICK * .6;
		471
		472	my $sig = new Coro::Signal;
		473
		474	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		475	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		476	$SLOT_QUEUE->ready;
		477	$sig->wait;
273	}	478	}
274		479
275	=item cf::async { BLOCK }	480	=item cf::async { BLOCK }
276		481
277	Currently the same as Coro::async_pool, meaning you cannot use	482	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		487
283	BEGIN { *async = \&Coro::async_pool }	488	BEGIN { *async = \&Coro::async_pool }
284		489
285	=item cf::sync_job { BLOCK }	490	=item cf::sync_job { BLOCK }
286		491
287	The design of crossfire+ requires that the main coro ($Coro::main) is	492	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	493	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	494	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		495	acceptable.
290		496
291	If it must be done, put the blocking parts into C<sync_job>. This will run	497	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	498	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	499	server will be frozen during this time, so the block should either finish
294	fast or be very important.	500	fast or be very important.
…		…
297		503
298	sub sync_job(&) {	504	sub sync_job(&) {
299	my ($job) = @_;	505	my ($job) = @_;
300		506
301	if ($Coro::current == $Coro::main) {	507	if ($Coro::current == $Coro::main) {
		508	my $time = EV::time;
		509
302	# this is the main coro, too bad, we have to block	510	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	511	# till the operation succeeds, freezing the server :/
304		512
305	# TODO: use suspend/resume instead	513	LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	514
307	my $freeze_guard = freeze_mainloop;	515	my $freeze_guard = freeze_mainloop;
308		516
309	my $busy = 1;	517	my $busy = 1;
310	my @res;	518	my @res;
311		519
312	(async {	520	(async {
		521	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	522	@res = eval { $job->() };
314	warn $@ if $@;	523	warn $@ if $@;
315	undef $busy;	524	undef $busy;
316	})->prio (Coro::PRIO_MAX);	525	})->prio (Coro::PRIO_MAX);
317		526
318	while ($busy) {	527	while ($busy) {
319	Coro::cede or Event::one_event;	528	if (Coro::nready) {
		529	Coro::cede_notself;
		530	} else {
		531	EV::loop EV::LOOP_ONESHOT;
320	}	532	}
		533	}
		534
		535	my $time = EV::time - $time;
		536
		537	$TICK_START += $time; # do not account sync jobs to server load
321		538
322	wantarray ? @res : $res[0]	539	wantarray ? @res : $res[0]
323	} else {	540	} else {
324	# we are in another coroutine, how wonderful, everything just works	541	# we are in another coroutine, how wonderful, everything just works
325		542
…		…
345	$EXT_CORO{$coro+0} = $coro;	562	$EXT_CORO{$coro+0} = $coro;
346		563
347	$coro	564	$coro
348	}	565	}
349		566
350	sub write_runtime {	567	=item fork_call { }, $args
351	my $guard = cf::lock_acquire "write_runtime";
352		568
353	my $runtime = cf::localdir . "/runtime";	569	Executes the given code block with the given arguments in a seperate
		570	process, returning the results. Everything must be serialisable with
		571	Coro::Storable. May, of course, block. Note that the executed sub may
		572	never block itself or use any form of event handling.
354		573
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	574	=cut
356	or return;
357		575
358	my $value = $cf::RUNTIME + 90 + 10;	576	sub fork_call(&@) {
359	# 10 is the runtime save interval, for a monotonic clock	577	my ($cb, @args) = @_;
360	# 60 allows for the watchdog to kill the server.
361		578
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	579	# we seemingly have to make a local copy of the whole thing,
363	and return;	580	# otherwise perl prematurely frees the stuff :/
		581	# TODO: investigate and fix (likely this will be rather laborious)
364		582
365	# always fsync - this file is important	583	my @res = Coro::Util::fork_eval {
366	aio_fsync $fh	584	reset_signals;
367	and return;	585	&$cb
		586	}, @args;
368		587
369	close $fh	588	wantarray ? @res : $res[-1]
370	or return;	589	}
371		590
372	aio_rename "$runtime~", $runtime	591	=item $coin = coin_from_name $name
373	and return;
374		592
		593	=cut
		594
		595	our %coin_alias = (
		596	"silver" => "silvercoin",
		597	"silvercoin" => "silvercoin",
		598	"silvercoins" => "silvercoin",
		599	"gold" => "goldcoin",
		600	"goldcoin" => "goldcoin",
		601	"goldcoins" => "goldcoin",
		602	"platinum" => "platinacoin",
		603	"platinumcoin" => "platinacoin",
		604	"platinumcoins" => "platinacoin",
		605	"platina" => "platinacoin",
		606	"platinacoin" => "platinacoin",
		607	"platinacoins" => "platinacoin",
		608	"royalty" => "royalty",
		609	"royalties" => "royalty",
		610	);
		611
		612	sub coin_from_name($) {
		613	$coin_alias{$_[0]}
		614	? cf::arch::find $coin_alias{$_[0]}
		615	: undef
		616	}
		617
		618	=item $value = cf::db_get $family => $key
		619
		620	Returns a single value from the environment database.
		621
		622	=item cf::db_put $family => $key => $value
		623
		624	Stores the given C<$value> in the family. It can currently store binary
		625	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		626
		627	=item $db = cf::db_table "name"
		628
		629	Create and/or open a new database table. The string must not be "db" and must be unique
		630	within each server.
		631
		632	=cut
		633
		634	sub db_table($) {
		635	my ($name) = @_;
		636	my $db = BDB::db_create $DB_ENV;
		637
		638	eval {
		639	$db->set_flags (BDB::CHKSUM);
		640
		641	utf8::encode $name;
		642	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		643	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		644	cf::cleanup "db_open(db): $!" if $!;
		645	};
		646	cf::cleanup "db_open(db): $@" if $@;
		647
		648	$db
		649	}
		650
		651	our $DB;
		652
		653	sub db_init {
		654	cf::sync_job {
		655	$DB ||= db_table "db";
		656	};
		657	}
		658
		659	sub db_get($$) {
		660	my $key = "$_[0]/$_[1]";
		661
		662	cf::sync_job {
		663	BDB::db_get $DB, undef, $key, my $data;
		664
		665	$! ? ()
		666	: $data
375	1	667	}
		668	}
		669
		670	sub db_put($$$) {
		671	BDB::dbreq_pri 4;
		672	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		673	}
		674
		675	=item cf::cache $id => [$paths...], $processversion => $process
		676
		677	Generic caching function that returns the value of the resource $id,
		678	caching and regenerating as required.
		679
		680	This function can block.
		681
		682	=cut
		683
		684	sub cache {
		685	my ($id, $src, $processversion, $process) = @_;
		686
		687	my $meta =
		688	join "\x00",
		689	$processversion,
		690	map {
		691	aio_stat $_
		692	and Carp::croak "$_: $!";
		693
		694	($_, (stat _)[7,9])
		695	} @$src;
		696
		697	my $dbmeta = db_get cache => "$id/meta";
		698	if ($dbmeta ne $meta) {
		699	# changed, we may need to process
		700
		701	my @data;
		702	my $md5;
		703
		704	for (0 .. $#$src) {
		705	0 <= aio_load $src->[$_], $data[$_]
		706	or Carp::croak "$src->[$_]: $!";
		707	}
		708
		709	# if processing is expensive, check
		710	# checksum first
		711	if (1) {
		712	$md5 =
		713	join "\x00",
		714	$processversion,
		715	map {
		716	cf::cede_to_tick;
		717	($src->[$_], Digest::MD5::md5_hex $data[$_])
		718	} 0.. $#$src;
		719
		720
		721	my $dbmd5 = db_get cache => "$id/md5";
		722	if ($dbmd5 eq $md5) {
		723	db_put cache => "$id/meta", $meta;
		724
		725	return db_get cache => "$id/data";
		726	}
		727	}
		728
		729	my $t1 = Time::HiRes::time;
		730	my $data = $process->(\@data);
		731	my $t2 = Time::HiRes::time;
		732
		733	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		734
		735	db_put cache => "$id/data", $data;
		736	db_put cache => "$id/md5" , $md5;
		737	db_put cache => "$id/meta", $meta;
		738
		739	return $data;
		740	}
		741
		742	db_get cache => "$id/data"
		743	}
		744
		745	=item cf::datalog type => key => value, ...
		746
		747	Log a datalog packet of the given type with the given key-value pairs.
		748
		749	=cut
		750
		751	sub datalog($@) {
		752	my ($type, %kv) = @_;
		753	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
376	}	754	}
377		755
378	=back	756	=back
379		757
380	=cut	758	=cut
381		759
382	#############################################################################	760	#############################################################################
383		761
384	=head2 ATTACHABLE OBJECTS	762	=head2 ATTACHABLE OBJECTS
385		763
386	Many objects in crossfire are so-called attachable objects. That means you can	764	Many objects in deliantra are so-called attachable objects. That means you can
387	attach callbacks/event handlers (a collection of which is called an "attachment")	765	attach callbacks/event handlers (a collection of which is called an "attachment")
388	to it. All such attachable objects support the following methods.	766	to it. All such attachable objects support the following methods.
389		767
390	In the following description, CLASS can be any of C<global>, C<object>	768	In the following description, CLASS can be any of C<global>, C<object>
391	C<player>, C<client> or C<map> (i.e. the attachable objects in	769	C<player>, C<client> or C<map> (i.e. the attachable objects in
392	crossfire+).	770	Deliantra).
393		771
394	=over 4	772	=over 4
395		773
396	=item $attachable->attach ($attachment, key => $value...)	774	=item $attachable->attach ($attachment, key => $value...)
397		775
…		…
441	=item cf::CLASS::attachment $name, ...	819	=item cf::CLASS::attachment $name, ...
442		820
443	Register an attachment by C<$name> through which attachable objects of the	821	Register an attachment by C<$name> through which attachable objects of the
444	given CLASS can refer to this attachment.	822	given CLASS can refer to this attachment.
445		823
446	Some classes such as crossfire maps and objects can specify attachments	824	Some classes such as deliantra maps and objects can specify attachments
447	that are attached at load/instantiate time, thus the need for a name.	825	that are attached at load/instantiate time, thus the need for a name.
448		826
449	These calls expect any number of the following handler/hook descriptions:	827	These calls expect any number of the following handler/hook descriptions:
450		828
451	=over 4	829	=over 4
…		…
560	$registry = $CB_TYPE[$object_type] ||= [];	938	$registry = $CB_TYPE[$object_type] ||= [];
561		939
562	} elsif ($type eq "subtype") {	940	} elsif ($type eq "subtype") {
563	defined $object_type or Carp::croak "subtype specified without type";	941	defined $object_type or Carp::croak "subtype specified without type";
564	my $object_subtype = shift @arg;	942	my $object_subtype = shift @arg;
565	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	943	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
566		944
567	} elsif ($type eq "package") {	945	} elsif ($type eq "package") {
568	my $pkg = shift @arg;	946	my $pkg = shift @arg;
569		947
570	while (my ($name, $id) = each %cb_id) {	948	while (my ($name, $id) = each %cb_id) {
…		…
599	_attach $registry, $klass, @attach;	977	_attach $registry, $klass, @attach;
600	}	978	}
601		979
602	$obj->{$name} = \%arg;	980	$obj->{$name} = \%arg;
603	} else {	981	} else {
604	warn "object uses attachment '$name' that is not available, postponing.\n";	982	warn "object uses attachment '$name' which is not available, postponing.\n";
605	}	983	}
606		984
607	$obj->{_attachment}{$name} = undef;	985	$obj->{_attachment}{$name} = undef;
608	}	986	}
609		987
…		…
611	if (ref $_[0]) {	989	if (ref $_[0]) {
612	_object_attach @_;	990	_object_attach @_;
613	} else {	991	} else {
614	_attach shift->_attach_registry, @_;	992	_attach shift->_attach_registry, @_;
615	}	993	}
		994	_recalc_want;
616	};	995	};
617		996
618	# all those should be optimised	997	# all those should be optimised
619	sub cf::attachable::detach {	998	sub cf::attachable::detach {
620	my ($obj, $name) = @_;	999	my ($obj, $name) = @_;
…		…
623	delete $obj->{_attachment}{$name};	1002	delete $obj->{_attachment}{$name};
624	reattach ($obj);	1003	reattach ($obj);
625	} else {	1004	} else {
626	Carp::croak "cannot, currently, detach class attachments";	1005	Carp::croak "cannot, currently, detach class attachments";
627	}	1006	}
		1007	_recalc_want;
628	};	1008	};
629		1009
630	sub cf::attachable::attached {	1010	sub cf::attachable::attached {
631	my ($obj, $name) = @_;	1011	my ($obj, $name) = @_;
632		1012
…		…
647	";	1027	";
648	die if $@;	1028	die if $@;
649	}	1029	}
650		1030
651	our $override;	1031	our $override;
652	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1032	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
653		1033
654	sub override {	1034	sub override {
655	$override = 1;	1035	$override = 1;
656	@invoke_results = ();	1036	@INVOKE_RESULTS = (@_);
657	}	1037	}
658		1038
659	sub do_invoke {	1039	sub do_invoke {
660	my $event = shift;	1040	my $event = shift;
661	my $callbacks = shift;	1041	my $callbacks = shift;
662		1042
663	@invoke_results = ();	1043	@INVOKE_RESULTS = ();
664		1044
665	local $override;	1045	local $override;
666		1046
667	for (@$callbacks) {	1047	for (@$callbacks) {
668	eval { &{$_->[1]} };	1048	eval { &{$_->[1]} };
…		…
677	}	1057	}
678		1058
679	0	1059	0
680	}	1060	}
681		1061
682	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1062	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
683		1063
684	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1064	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
685		1065
686	Generate an object-specific event with the given arguments.	1066	Generate an object-specific event with the given arguments.
687		1067
688	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1068	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
689	removed in future versions), and there is no public API to access override	1069	removed in future versions), and there is no public API to access override
690	results (if you must, access C<@cf::invoke_results> directly).	1070	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
691		1071
692	=back	1072	=back
693		1073
694	=cut	1074	=cut
695		1075
696	#############################################################################	1076	#############################################################################
697	# object support	1077	# object support
		1078
		1079	sub _object_equal($$);
		1080	sub _object_equal($$) {
		1081	my ($a, $b) = @_;
		1082
		1083	return 0 unless (ref $a) eq (ref $b);
		1084
		1085	if ("HASH" eq ref $a) {
		1086	my @ka = keys %$a;
		1087	my @kb = keys %$b;
		1088
		1089	return 0 if @ka != @kb;
		1090
		1091	for (0 .. $#ka) {
		1092	return 0 unless $ka[$_] eq $kb[$_];
		1093	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1094	}
		1095
		1096	} elsif ("ARRAY" eq ref $a) {
		1097
		1098	return 0 if @$a != @$b;
		1099
		1100	for (0 .. $#$a) {
		1101	return 0 unless _object_equal $a->[$_], $b->[$_];
		1102	}
		1103
		1104	} elsif ($a ne $b) {
		1105	return 0;
		1106	}
		1107
		1108	1
		1109	}
		1110
		1111	our $SLOW_MERGES;#d#
		1112	sub _can_merge {
		1113	my ($ob1, $ob2) = @_;
		1114
		1115	++$SLOW_MERGES;#d#
		1116
		1117	# we do the slow way here
		1118	return _object_equal $ob1, $ob2
		1119	}
698		1120
699	sub reattach {	1121	sub reattach {
700	# basically do the same as instantiate, without calling instantiate	1122	# basically do the same as instantiate, without calling instantiate
701	my ($obj) = @_;	1123	my ($obj) = @_;
702		1124
		1125	# no longer needed after getting rid of delete_package?
703	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1126	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
704		1127
705	my $registry = $obj->registry;	1128	my $registry = $obj->registry;
706		1129
707	@$registry = ();	1130	@$registry = ();
708		1131
…		…
723	cf::attachable->attach (	1146	cf::attachable->attach (
724	prio => -1000000,	1147	prio => -1000000,
725	on_instantiate => sub {	1148	on_instantiate => sub {
726	my ($obj, $data) = @_;	1149	my ($obj, $data) = @_;
727		1150
728	$data = from_json $data;	1151	$data = decode_json $data;
729		1152
730	for (@$data) {	1153	for (@$data) {
731	my ($name, $args) = @$_;	1154	my ($name, $args) = @$_;
732		1155
733	$obj->attach ($name, %{$args || {} });	1156	$obj->attach ($name, %{$args || {} });
…		…
749	sub object_freezer_save {	1172	sub object_freezer_save {
750	my ($filename, $rdata, $objs) = @_;	1173	my ($filename, $rdata, $objs) = @_;
751		1174
752	sync_job {	1175	sync_job {
753	if (length $$rdata) {	1176	if (length $$rdata) {
		1177	utf8::decode (my $decname = $filename);
754	warn sprintf "saving %s (%d,%d)\n",	1178	warn sprintf "saving %s (%d,%d)\n",
755	$filename, length $$rdata, scalar @$objs;	1179	$decname, length $$rdata, scalar @$objs;
756		1180
757	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1181	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
758	chmod SAVE_MODE, $fh;	1182	aio_chmod $fh, SAVE_MODE;
759	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1183	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
760	aio_fsync $fh if $cf::USE_FSYNC;	1184	if ($cf::USE_FSYNC) {
		1185	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;
		1186	aio_fsync $fh;
		1187	}
761	close $fh;	1188	aio_close $fh;
762		1189
763	if (@$objs) {	1190	if (@$objs) {
764	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1191	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
765	chmod SAVE_MODE, $fh;	1192	aio_chmod $fh, SAVE_MODE;
766	my $data = Storable::nfreeze { version => 1, objs => $objs };	1193	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
767	aio_write $fh, 0, (length $data), $data, 0;	1194	aio_write $fh, 0, (length $data), $data, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1195	if ($cf::USE_FSYNC) {
		1196	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;
		1197	aio_fsync $fh;
		1198	}
769	close $fh;	1199	aio_close $fh;
770	aio_rename "$filename.pst~", "$filename.pst";	1200	aio_rename "$filename.pst~", "$filename.pst";
771	}	1201	}
772	} else {	1202	} else {
773	aio_unlink "$filename.pst";	1203	aio_unlink "$filename.pst";
774	}	1204	}
775		1205
776	aio_rename "$filename~", $filename;	1206	aio_rename "$filename~", $filename;
		1207
		1208	$filename =~ s%/[^/]+$%%;
		1209	aio_pathsync $filename if $cf::USE_FSYNC;
777	} else {	1210	} else {
778	warn "FATAL: $filename~: $!\n";	1211	warn "unable to save objects: $filename~: $!\n";
779	}	1212	}
780	} else {	1213	} else {
781	aio_unlink $filename;	1214	aio_unlink $filename;
782	aio_unlink "$filename.pst";	1215	aio_unlink "$filename.pst";
783	}	1216	}
784	}	1217	};
785	}	1218	}
786		1219
787	sub object_freezer_as_string {	1220	sub object_freezer_as_string {
788	my ($rdata, $objs) = @_;	1221	my ($rdata, $objs) = @_;
789		1222
…		…
801	or return;	1234	or return;
802		1235
803	unless (aio_stat "$filename.pst") {	1236	unless (aio_stat "$filename.pst") {
804	(aio_load "$filename.pst", $av) >= 0	1237	(aio_load "$filename.pst", $av) >= 0
805	or return;	1238	or return;
		1239
806	$av = eval { (Storable::thaw $av)->{objs} };	1240	my $st = eval { Coro::Storable::thaw $av };
		1241	$av = $st->{objs};
807	}	1242	}
808		1243
		1244	utf8::decode (my $decname = $filename);
809	warn sprintf "loading %s (%d)\n",	1245	warn sprintf "loading %s (%d,%d)\n",
810	$filename, length $data, scalar @{$av || []};#d#	1246	$decname, length $data, scalar @{$av || []};
		1247
811	return ($data, $av);	1248	($data, $av)
812	}	1249	}
		1250
		1251	=head2 COMMAND CALLBACKS
		1252
		1253	=over 4
		1254
		1255	=cut
813		1256
814	#############################################################################	1257	#############################################################################
815	# command handling &c	1258	# command handling &c
816		1259
817	=item cf::register_command $name => \&callback($ob,$args);	1260	=item cf::register_command $name => \&callback($ob,$args);
…		…
830	push @{ $COMMAND{$name} }, [$caller, $cb];	1273	push @{ $COMMAND{$name} }, [$caller, $cb];
831	}	1274	}
832		1275
833	=item cf::register_extcmd $name => \&callback($pl,$packet);	1276	=item cf::register_extcmd $name => \&callback($pl,$packet);
834		1277
835	Register a callbackf ro execution when the client sends an extcmd packet.	1278	Register a callback for execution when the client sends an (synchronous)
		1279	extcmd packet. Ext commands will be processed in the order they are
		1280	received by the server, like other user commands. The first argument is
		1281	the logged-in player. Ext commands can only be processed after a player
		1282	has logged in successfully.
836		1283
837	If the callback returns something, it is sent back as if reply was being	1284	If the callback returns something, it is sent back as if reply was being
838	called.	1285	called.
839		1286
		1287	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1288
		1289	Register a callback for execution when the client sends an (asynchronous)
		1290	exticmd packet. Exti commands are processed by the server as soon as they
		1291	are received, i.e. out of order w.r.t. other commands. The first argument
		1292	is a client socket. Exti commands can be received anytime, even before
		1293	log-in.
		1294
		1295	If the callback returns something, it is sent back as if reply was being
		1296	called.
		1297
840	=cut	1298	=cut
841		1299
842	sub register_extcmd {	1300	sub register_extcmd {
843	my ($name, $cb) = @_;	1301	my ($name, $cb) = @_;
844		1302
845	$EXTCMD{$name} = $cb;	1303	$EXTCMD{$name} = $cb;
846	}	1304	}
		1305
		1306	sub register_exticmd {
		1307	my ($name, $cb) = @_;
		1308
		1309	$EXTICMD{$name} = $cb;
		1310	}
		1311
		1312	use File::Glob ();
847		1313
848	cf::player->attach (	1314	cf::player->attach (
849	on_command => sub {	1315	on_command => sub {
850	my ($pl, $name, $params) = @_;	1316	my ($pl, $name, $params) = @_;
851		1317
…		…
859	cf::override;	1325	cf::override;
860	},	1326	},
861	on_extcmd => sub {	1327	on_extcmd => sub {
862	my ($pl, $buf) = @_;	1328	my ($pl, $buf) = @_;
863		1329
864	my $msg = eval { from_json $buf };	1330	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
865		1331
866	if (ref $msg) {	1332	if (ref $msg) {
		1333	my ($type, $reply, @payload) =
		1334	"ARRAY" eq ref $msg
		1335	? @$msg
		1336	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1337
		1338	my @reply;
		1339
867	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1340	if (my $cb = $EXTCMD{$type}) {
868	if (my %reply = $cb->($pl, $msg)) {	1341	@reply = $cb->($pl, @payload);
869	$pl->ext_reply ($msg->{msgid}, %reply);
870	}
871	}	1342	}
		1343
		1344	$pl->ext_reply ($reply, @reply)
		1345	if $reply;
		1346
872	} else {	1347	} else {
873	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1348	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
874	}	1349	}
875		1350
876	cf::override;	1351	cf::override;
877	},	1352	},
878	);	1353	);
879		1354
		1355	# "readahead" all extensions
880	sub load_extension {	1356	sub cache_extensions {
881	my ($path) = @_;	1357	my $grp = IO::AIO::aio_group;
882		1358
883	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1359	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
884	my $base = $1;	1360	for (grep /\.ext$/, @{$_[0]}) {
885	my $pkg = $1;	1361	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
886	$pkg =~ s/[^[:word:]]/_/g;
887	$pkg = "ext::$pkg";
888
889	warn "... loading '$path' into '$pkg'\n";
890
891	open my $fh, "<:utf8", $path
892	or die "$path: $!";
893
894	my $source =
895	"package $pkg; use strict; use utf8;\n"
896	. "#line 1 \"$path\"\n{\n"
897	. (do { local $/; <$fh> })
898	. "\n};\n1";
899
900	unless (eval $source) {
901	my $msg = $@ ? "$path: $@\n"
902	: "extension disabled.\n";
903	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
904	warn $@;
905	warn "mandatory extension failed to load, exiting.\n";
906	exit 1;
907	}	1362	}
908	die $@;
909	}	1363	};
910		1364
911	push @EXTS, $pkg;	1365	$grp
912	}	1366	}
913		1367
914	sub load_extensions {	1368	sub load_extensions {
		1369	cf::sync_job {
		1370	my %todo;
		1371
915	for my $ext (<$LIBDIR/*.ext>) {	1372	for my $path (<$LIBDIR/*.ext>) {
916	next unless -r $ext;	1373	next unless -r $path;
917	eval {	1374
918	load_extension $ext;	1375	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1376	my $base = $1;
		1377	my $pkg = $1;
		1378	$pkg =~ s/[^[:word:]]/_/g;
		1379	$pkg = "ext::$pkg";
		1380
		1381	open my $fh, "<:utf8", $path
		1382	or die "$path: $!";
		1383
		1384	my $source = do { local $/; <$fh> };
		1385
		1386	my %ext = (
		1387	path => $path,
		1388	base => $base,
		1389	pkg => $pkg,
		1390	);
		1391
		1392	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1393	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1394
		1395	$ext{source} =
		1396	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1397	. "#line 1 \"$path\"\n{\n"
		1398	. $source
		1399	. "\n};\n1";
		1400
		1401	$todo{$base} = \%ext;
		1402	}
		1403
		1404	my $pass = 0;
		1405	my %done;
		1406	while (%todo) {
		1407	my $progress;
		1408
		1409	++$pass;
		1410
		1411	ext:
		1412	while (my ($k, $v) = each %todo) {
		1413	for (split /,\s*/, $v->{meta}{depends}) {
		1414	next ext
		1415	unless exists $done{$_};
		1416	}
		1417
		1418	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1419
		1420	my $active = eval $v->{source};
		1421
		1422	if (length $@) {
		1423	warn "$v->{path}: $@\n";
		1424
		1425	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1426	if exists $v->{meta}{mandatory};
		1427	} else {
		1428	$done{$k} = delete $todo{$k};
		1429	push @EXTS, $v->{pkg};
		1430	$progress = 1;
		1431
		1432	warn "$v->{base}: extension inactive.\n"
		1433	unless $active;
		1434	}
919	1	1435	}
920	} or warn "$ext not loaded: $@";	1436
		1437	unless ($progress) {
		1438	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1439
		1440	while (my ($k, $v) = each %todo) {
		1441	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1442	if exists $v->{meta}{mandatory};
		1443	}
		1444	}
		1445	}
921	}	1446	};
922	}	1447	}
923		1448
924	#############################################################################	1449	#############################################################################
925		1450
		1451	=back
		1452
926	=head2 CORE EXTENSIONS	1453	=head2 CORE EXTENSIONS
927		1454
928	Functions and methods that extend core crossfire objects.	1455	Functions and methods that extend core deliantra objects.
929		1456
930	=cut	1457	=cut
931		1458
932	package cf::player;	1459	package cf::player;
933		1460
…		…
935		1462
936	=head3 cf::player	1463	=head3 cf::player
937		1464
938	=over 4	1465	=over 4
939		1466
		1467	=item cf::player::num_playing
		1468
		1469	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1470
		1471	=cut
		1472
		1473	sub num_playing {
		1474	scalar grep
		1475	$_->ob->map
		1476	&& !$_->hidden
		1477	&& !$_->ob->flag (cf::FLAG_WIZ),
		1478	cf::player::list
		1479	}
		1480
940	=item cf::player::find $login	1481	=item cf::player::find $login
941		1482
942	Returns the given player object, loading it if necessary (might block).	1483	Returns the given player object, loading it if necessary (might block).
943		1484
944	=cut	1485	=cut
945		1486
946	sub playerdir($) {	1487	sub playerdir($) {
947	cf::localdir	1488	"$PLAYERDIR/"
948	. "/"
949	. cf::playerdir
950	. "/"
951	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1489	. (ref $_[0] ? $_[0]->ob->name : $_[0])
952	}	1490	}
953		1491
954	sub path($) {	1492	sub path($) {
955	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1493	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
956		1494
957	(playerdir $login) . "/$login.pl"	1495	(playerdir $login) . "/playerdata"
958	}	1496	}
959		1497
960	sub find_active($) {	1498	sub find_active($) {
961	$cf::PLAYER{$_[0]}	1499	$cf::PLAYER{$_[0]}
962	and $cf::PLAYER{$_[0]}->active	1500	and $cf::PLAYER{$_[0]}->active
…		…
965		1503
966	sub exists($) {	1504	sub exists($) {
967	my ($login) = @_;	1505	my ($login) = @_;
968		1506
969	$cf::PLAYER{$login}	1507	$cf::PLAYER{$login}
970	or cf::sync_job { !aio_stat path $login }	1508	or !aio_stat path $login
971	}	1509	}
972		1510
973	sub find($) {	1511	sub find($) {
974	return $cf::PLAYER{$_[0]} || do {	1512	return $cf::PLAYER{$_[0]} || do {
975	my $login = $_[0];	1513	my $login = $_[0];
976		1514
977	my $guard = cf::lock_acquire "user_find:$login";	1515	my $guard = cf::lock_acquire "user_find:$login";
978		1516
979	$cf::PLAYER{$_[0]} || do {	1517	$cf::PLAYER{$_[0]} || do {
980	my $pl = load_pl path $login	1518	# rename old playerfiles to new ones
		1519	#TODO: remove when no longer required
		1520	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1521	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1522	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1523	aio_unlink +(playerdir $login) . "/$login.pl";
		1524
		1525	my $f = new_from_file cf::object::thawer path $login
981	or return;	1526	or return;
		1527
		1528	my $pl = cf::player::load_pl $f
		1529	or return;
		1530
		1531	local $cf::PLAYER_LOADING{$login} = $pl;
		1532	$f->resolve_delayed_derefs;
982	$cf::PLAYER{$login} = $pl	1533	$cf::PLAYER{$login} = $pl
983	}	1534	}
984	}	1535	}
985	}	1536	}
986		1537
…		…
995	return if $pl->{deny_save};	1546	return if $pl->{deny_save};
996		1547
997	aio_mkdir playerdir $pl, 0770;	1548	aio_mkdir playerdir $pl, 0770;
998	$pl->{last_save} = $cf::RUNTIME;	1549	$pl->{last_save} = $cf::RUNTIME;
999		1550
		1551	cf::get_slot 0.01;
		1552
1000	$pl->save_pl ($path);	1553	$pl->save_pl ($path);
1001	Coro::cede;	1554	cf::cede_to_tick;
1002	}	1555	}
1003		1556
1004	sub new($) {	1557	sub new($) {
1005	my ($login) = @_;	1558	my ($login) = @_;
1006		1559
…		…
1012	$cf::PLAYER{$login} = $self;	1565	$cf::PLAYER{$login} = $self;
1013		1566
1014	$self	1567	$self
1015	}	1568	}
1016		1569
		1570	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1571
		1572	=cut
		1573
		1574	sub send_msg {
		1575	my $ns = shift->ns
		1576	or return;
		1577	$ns->send_msg (@_);
		1578	}
		1579
1017	=item $pl->quit_character	1580	=item $pl->quit_character
1018		1581
1019	Nukes the player without looking back. If logged in, the connection will	1582	Nukes the player without looking back. If logged in, the connection will
1020	be destroyed. May block for a long time.	1583	be destroyed. May block for a long time.
1021		1584
…		…
1025	my ($pl) = @_;	1588	my ($pl) = @_;
1026		1589
1027	my $name = $pl->ob->name;	1590	my $name = $pl->ob->name;
1028		1591
1029	$pl->{deny_save} = 1;	1592	$pl->{deny_save} = 1;
1030	$pl->password ("*"); # this should lock out the player until we nuked the dir	1593	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1031		1594
1032	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1595	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1033	$pl->deactivate;	1596	$pl->deactivate;
		1597	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1598	$pl->ob->check_score;
1034	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1599	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1035	$pl->ns->destroy if $pl->ns;	1600	$pl->ns->destroy if $pl->ns;
1036		1601
1037	my $path = playerdir $pl;	1602	my $path = playerdir $pl;
1038	my $temp = "$path~$cf::RUNTIME~deleting~";	1603	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1068	while and may block, so not sync_job-capable, ever.	1633	while and may block, so not sync_job-capable, ever.
1069		1634
1070	=cut	1635	=cut
1071		1636
1072	sub list_logins {	1637	sub list_logins {
1073	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1638	my $dirs = aio_readdir $PLAYERDIR
1074	or return [];	1639	or return [];
1075		1640
1076	my @logins;	1641	my @logins;
1077		1642
1078	for my $login (@$dirs) {	1643	for my $login (@$dirs) {
		1644	my $path = path $login;
		1645
		1646	# a .pst is a dead give-away for a valid player
		1647	# if no pst file found, open and chekc for blocked users
		1648	if (aio_stat "$path.pst") {
1079	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1649	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1080	aio_read $fh, 0, 512, my $buf, 0 or next;	1650	aio_read $fh, 0, 512, my $buf, 0 or next;
1081	$buf !~ /^password -------------$/m or next; # official not-valid tag	1651	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1652	}
1082		1653
1083	utf8::decode $login;	1654	utf8::decode $login;
1084	push @logins, $login;	1655	push @logins, $login;
1085	}	1656	}
1086		1657
…		…
1113	}	1684	}
1114		1685
1115	\@paths	1686	\@paths
1116	}	1687	}
1117		1688
		1689	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1690
		1691	Expand deliantra pod fragments into protocol xml.
		1692
1118	=item $player->ext_reply ($msgid, $msgtype, %msg)	1693	=item $player->ext_reply ($msgid, @msg)
1119		1694
1120	Sends an ext reply to the player.	1695	Sends an ext reply to the player.
1121		1696
1122	=cut	1697	=cut
1123		1698
1124	sub ext_reply($$$%) {	1699	sub ext_reply($$@) {
1125	my ($self, $id, %msg) = @_;	1700	my ($self, $id, @msg) = @_;
1126		1701
1127	$msg{msgid} = $id;	1702	$self->ns->ext_reply ($id, @msg)
1128
1129	$self->send ("ext " . cf::to_json \%msg);
1130	}	1703	}
1131		1704
1132	package cf;	1705	=item $player->ext_msg ($type, @msg)
		1706
		1707	Sends an ext event to the client.
		1708
		1709	=cut
		1710
		1711	sub ext_msg($$@) {
		1712	my ($self, $type, @msg) = @_;
		1713
		1714	$self->ns->ext_msg ($type, @msg);
		1715	}
		1716
		1717	=head3 cf::region
		1718
		1719	=over 4
		1720
		1721	=cut
		1722
		1723	package cf::region;
		1724
		1725	=item cf::region::find_by_path $path
		1726
		1727	Tries to decuce the likely region for a map knowing only its path.
		1728
		1729	=cut
		1730
		1731	sub find_by_path($) {
		1732	my ($path) = @_;
		1733
		1734	my ($match, $specificity);
		1735
		1736	for my $region (list) {
		1737	if ($region->{match} && $path =~ $region->{match}) {
		1738	($match, $specificity) = ($region, $region->specificity)
		1739	if $region->specificity > $specificity;
		1740	}
		1741	}
		1742
		1743	$match
		1744	}
1133		1745
1134	=back	1746	=back
1135
1136		1747
1137	=head3 cf::map	1748	=head3 cf::map
1138		1749
1139	=over 4	1750	=over 4
1140		1751
…		…
1152	our $MAX_RESET = 3600;	1763	our $MAX_RESET = 3600;
1153	our $DEFAULT_RESET = 3000;	1764	our $DEFAULT_RESET = 3000;
1154		1765
1155	sub generate_random_map {	1766	sub generate_random_map {
1156	my ($self, $rmp) = @_;	1767	my ($self, $rmp) = @_;
		1768
		1769	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1770
1157	# mit "rum" bekleckern, nicht	1771	# mit "rum" bekleckern, nicht
1158	$self->_create_random_map (	1772	$self->_create_random_map (
1159	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1773	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1160	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1774	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1161	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1775	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1195	my ($self, $merge) = @_;	1809	my ($self, $merge) = @_;
1196		1810
1197	# we have to keep some variables in memory intact	1811	# we have to keep some variables in memory intact
1198	local $self->{path};	1812	local $self->{path};
1199	local $self->{load_path};	1813	local $self->{load_path};
1200	local $self->{deny_save};
1201	local $self->{deny_reset};
1202		1814
1203	$self->SUPER::thawer_merge ($merge);	1815	$self->SUPER::thawer_merge ($merge);
1204	}	1816	}
1205		1817
1206	sub normalise {	1818	sub normalise {
…		…
1253	$self->init; # pass $1 etc.	1865	$self->init; # pass $1 etc.
1254	return $self;	1866	return $self;
1255	}	1867	}
1256	}	1868	}
1257		1869
1258	Carp::carp "unable to resolve path '$path' (base '$base').";	1870	Carp::cluck "unable to resolve path '$path' (base '$base').";
1259	()	1871	()
1260	}	1872	}
1261		1873
1262	sub init {	1874	sub init {
1263	my ($self) = @_;	1875	my ($self) = @_;
…		…
1278		1890
1279	# the original (read-only) location	1891	# the original (read-only) location
1280	sub load_path {	1892	sub load_path {
1281	my ($self) = @_;	1893	my ($self) = @_;
1282		1894
1283	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1895	"$MAPDIR/$self->{path}.map"
1284	}	1896	}
1285		1897
1286	# the temporary/swap location	1898	# the temporary/swap location
1287	sub save_path {	1899	sub save_path {
1288	my ($self) = @_;	1900	my ($self) = @_;
1289		1901
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1902	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1291	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1903	"$TMPDIR/$path.map"
1292	}	1904	}
1293		1905
1294	# the unique path, undef == no special unique path	1906	# the unique path, undef == no special unique path
1295	sub uniq_path {	1907	sub uniq_path {
1296	my ($self) = @_;	1908	my ($self) = @_;
1297		1909
1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1910	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1299	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1911	"$UNIQUEDIR/$path"
1300	}	1912	}
1301		1913
1302	# and all this just because we cannot iterate over	1914	sub decay_objects {
1303	# all maps in C++...
1304	sub change_all_map_light {
1305	my ($change) = @_;	1915	my ($self) = @_;
1306		1916
1307	$_->change_map_light ($change)	1917	return if $self->{deny_reset};
1308	for grep $_->outdoor, values %cf::MAP;	1918
		1919	$self->do_decay_objects;
1309	}	1920	}
1310		1921
1311	sub unlink_save {	1922	sub unlink_save {
1312	my ($self) = @_;	1923	my ($self) = @_;
1313		1924
…		…
1318		1929
1319	sub load_header_from($) {	1930	sub load_header_from($) {
1320	my ($self, $path) = @_;	1931	my ($self, $path) = @_;
1321		1932
1322	utf8::encode $path;	1933	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	1934	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	or return;	1935	or return;
		1936
		1937	$self->_load_header ($f)
		1938	or return;
		1939
		1940	local $MAP_LOADING{$self->{path}} = $self;
		1941	$f->resolve_delayed_derefs;
1328		1942
1329	$self->{load_path} = $path;	1943	$self->{load_path} = $path;
1330		1944
1331	1	1945	1
1332	}	1946	}
…		…
1371	$self->load_header_orig	1985	$self->load_header_orig
1372	or return;	1986	or return;
1373	$self->prepare_orig;	1987	$self->prepare_orig;
1374	}	1988	}
1375		1989
		1990	$self->{deny_reset} = 1
		1991	if $self->no_reset;
		1992
		1993	$self->default_region (cf::region::find_by_path $self->{path})
		1994	unless $self->default_region;
		1995
1376	1	1996	1
1377	}	1997	}
1378		1998
1379	sub find;	1999	sub find;
1380	sub find {	2000	sub find {
1381	my ($path, $origin) = @_;	2001	my ($path, $origin) = @_;
1382		2002
1383	$path = normalise $path, $origin && $origin->path;	2003	$path = normalise $path, $origin && $origin->path;
1384		2004
		2005	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1385	cf::lock_wait "map_find:$path";	2006	my $guard2 = cf::lock_acquire "map_find:$path";
1386		2007
1387	$cf::MAP{$path} || do {	2008	$cf::MAP{$path} || do {
1388	my $guard = cf::lock_acquire "map_find:$path";
1389	my $map = new_from_path cf::map $path	2009	my $map = new_from_path cf::map $path
1390	or return;	2010	or return;
1391		2011
1392	$map->{last_save} = $cf::RUNTIME;	2012	$map->{last_save} = $cf::RUNTIME;
1393		2013
1394	$map->load_header	2014	$map->load_header
1395	or return;	2015	or return;
1396		2016
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2017	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	2018	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	2019	#$cf::WAIT_FOR_TICK->wait;
		2020	undef $guard2;
		2021	undef $guard1;
1400	$map->reset;	2022	$map->reset;
1401	undef $guard;
1402	return find $path;	2023	return find $path;
1403	}	2024	}
1404		2025
1405	$cf::MAP{$path} = $map	2026	$cf::MAP{$path} = $map
1406	}	2027	}
1407	}	2028	}
1408		2029
1409	sub pre_load { }	2030	sub pre_load { }
1410	sub post_load { }	2031	#sub post_load { } # XS
1411		2032
1412	sub load {	2033	sub load {
1413	my ($self) = @_;	2034	my ($self) = @_;
1414		2035
1415	local $self->{deny_reset} = 1; # loading can take a long time	2036	local $self->{deny_reset} = 1; # loading can take a long time
1416		2037
1417	my $path = $self->{path};	2038	my $path = $self->{path};
		2039
		2040	{
1418	my $guard = cf::lock_acquire "map_load:$path";	2041	my $guard = cf::lock_acquire "map_data:$path";
1419		2042
		2043	return unless $self->valid;
1420	return if $self->in_memory != cf::MAP_SWAPPED;	2044	return unless $self->in_memory == cf::MAP_SWAPPED;
1421		2045
1422	$self->in_memory (cf::MAP_LOADING);	2046	$self->in_memory (cf::MAP_LOADING);
1423		2047
1424	$self->alloc;	2048	$self->alloc;
1425		2049
1426	$self->pre_load;	2050	$self->pre_load;
		2051	cf::cede_to_tick;
1427		2052
1428	$self->_load_objects ($self->{load_path}, 1)	2053	my $f = new_from_file cf::object::thawer $self->{load_path};
		2054	$f->skip_block;
		2055	$self->_load_objects ($f)
1429	or return;	2056	or return;
1430		2057
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2058	$self->post_load_original
1432	if delete $self->{load_original};	2059	if delete $self->{load_original};
1433		2060
1434	if (my $uniq = $self->uniq_path) {	2061	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	2062	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	2063	unless (aio_stat $uniq) {
		2064	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	2065	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	2066	$self->_load_objects ($f);
		2067	$f->resolve_delayed_derefs;
		2068	}
1439	}	2069	}
1440	}	2070	}
1441		2071
1442	Coro::cede;	2072	$f->resolve_delayed_derefs;
1443		2073
		2074	cf::cede_to_tick;
1444	# now do the right thing for maps	2075	# now do the right thing for maps
1445	$self->link_multipart_objects;	2076	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;
1452	$self->set_darkness_map;
1453	$self->difficulty ($self->estimate_difficulty)	2077	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	2078	unless $self->difficulty;
1455	Coro::cede;	2079	cf::cede_to_tick;
		2080
		2081	unless ($self->{deny_activate}) {
		2082	$self->decay_objects;
		2083	$self->fix_auto_apply;
		2084	$self->update_buttons;
		2085	cf::cede_to_tick;
1456	$self->activate;	2086	$self->activate;
		2087	}
		2088
		2089	$self->{last_save} = $cf::RUNTIME;
		2090	$self->last_access ($cf::RUNTIME);
		2091
		2092	$self->in_memory (cf::MAP_ACTIVE);
1457	}	2093	}
1458		2094
1459	$self->post_load;	2095	$self->post_load;
1460
1461	$self->in_memory (cf::MAP_IN_MEMORY);
1462	}	2096	}
1463		2097
1464	sub customise_for {	2098	sub customise_for {
1465	my ($self, $ob) = @_;	2099	my ($self, $ob) = @_;
1466		2100
1467	return find "~" . $ob->name . "/" . $self->{path}	2101	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	2102	if $self->per_player;
1469		2103
		2104	# return find "?party/" . $ob->name . "/" . $self->{path}
		2105	# if $self->per_party;
		2106
1470	$self	2107	$self
1471	}	2108	}
1472		2109
1473	# find and load all maps in the 3x3 area around a map	2110	# find and load all maps in the 3x3 area around a map
1474	sub load_diag {	2111	sub load_neighbours {
1475	my ($map) = @_;	2112	my ($map) = @_;
1476		2113
1477	my @diag; # diagonal neighbours	2114	my @neigh; # diagonal neighbours
1478		2115
1479	for (0 .. 3) {	2116	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)	2117	my $neigh = $map->tile_path ($_)
1481	or next;	2118	or next;
1482	$neigh = find $neigh, $map	2119	$neigh = find $neigh, $map
1483	or next;	2120	or next;
1484	$neigh->load;	2121	$neigh->load;
1485		2122
		2123	push @neigh,
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2124	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2125	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}	2126	}
1489		2127
1490	for (@diag) {	2128	for (grep defined $_->[0], @neigh) {
		2129	my ($path, $origin) = @$_;
1491	my $neigh = find @$_	2130	my $neigh = find $path, $origin
1492	or next;	2131	or next;
1493	$neigh->load;	2132	$neigh->load;
1494	}	2133	}
1495	}	2134	}
1496		2135
…		…
1501	}	2140	}
1502		2141
1503	sub do_load_sync {	2142	sub do_load_sync {
1504	my ($map) = @_;	2143	my ($map) = @_;
1505		2144
		2145	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2146	if $Coro::current == $Coro::main;
		2147
1506	cf::sync_job { $map->load };	2148	cf::sync_job { $map->load };
1507	}	2149	}
1508		2150
1509	our %MAP_PREFETCH;	2151	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	2152	our $MAP_PREFETCHER = undef;
1511		2153
1512	sub find_async {	2154	sub find_async {
1513	my ($path, $origin) = @_;	2155	my ($path, $origin, $load) = @_;
1514		2156
1515	$path = normalise $path, $origin && $origin->{path};	2157	$path = normalise $path, $origin && $origin->{path};
1516		2158
1517	if (my $map = $cf::MAP{$path}) {	2159	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2160	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1519	}	2161	}
1520		2162
1521	undef $MAP_PREFETCH{$path};	2163	$MAP_PREFETCH{$path} |= $load;
		2164
1522	$MAP_PREFETCHER ||= cf::async {	2165	$MAP_PREFETCHER ||= cf::async {
		2166	$Coro::current->{desc} = "map prefetcher";
		2167
1523	while (%MAP_PREFETCH) {	2168	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2169	while (my ($k, $v) = each %MAP_PREFETCH) {
1525	my $map = find $path	2170	if (my $map = find $k) {
1526	or next;
1527	$map->load;	2171	$map->load if $v;
		2172	}
1528		2173
1529	delete $MAP_PREFETCH{$path};	2174	delete $MAP_PREFETCH{$k};
1530	}	2175	}
1531	}	2176	}
1532	undef $MAP_PREFETCHER;	2177	undef $MAP_PREFETCHER;
1533	};	2178	};
1534	$MAP_PREFETCHER->prio (6);	2179	$MAP_PREFETCHER->prio (6);
…		…
1537	}	2182	}
1538		2183
1539	sub save {	2184	sub save {
1540	my ($self) = @_;	2185	my ($self) = @_;
1541		2186
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;	2187	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2188
1544	$self->{last_save} = $cf::RUNTIME;	2189	$self->{last_save} = $cf::RUNTIME;
1545		2190
1546	return unless $self->dirty;	2191	return unless $self->dirty;
1547		2192
…		…
1553	return if $self->{deny_save};	2198	return if $self->{deny_save};
1554		2199
1555	local $self->{last_access} = $self->last_access;#d#	2200	local $self->{last_access} = $self->last_access;#d#
1556		2201
1557	cf::async {	2202	cf::async {
		2203	$Coro::current->{desc} = "map player save";
1558	$_->contr->save for $self->players;	2204	$_->contr->save for $self->players;
1559	};	2205	};
		2206
		2207	cf::get_slot 0.02;
1560		2208
1561	if ($uniq) {	2209	if ($uniq) {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2210	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2211	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1564	} else {	2212	} else {
…		…
1570	my ($self) = @_;	2218	my ($self) = @_;
1571		2219
1572	# save first because save cedes	2220	# save first because save cedes
1573	$self->save;	2221	$self->save;
1574		2222
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2223	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2224
1577	return if $self->players;	2225	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;	2226	return if $self->in_memory != cf::MAP_ACTIVE;
1579	return if $self->{deny_save};	2227	return if $self->{deny_save};
1580		2228
		2229	$self->in_memory (cf::MAP_SWAPPED);
		2230
		2231	$self->deactivate;
		2232	$_->clear_links_to ($self) for values %cf::MAP;
1581	$self->clear;	2233	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2234	}
1584		2235
1585	sub reset_at {	2236	sub reset_at {
1586	my ($self) = @_;	2237	my ($self) = @_;
1587		2238
1588	# TODO: safety, remove and allow resettable per-player maps	2239	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	2240	return 1e99 if $self->{deny_reset};
1591		2241
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2242	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2243	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		2244
…		…
1605	my ($self) = @_;	2255	my ($self) = @_;
1606		2256
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2257	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2258
1609	return if $self->players;	2259	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2260
1612	warn "resetting map ", $self->path;#d#	2261	warn "resetting map ", $self->path, "\n";
1613		2262
1614	$self->in_memory (cf::MAP_SWAPPED);	2263	$self->in_memory (cf::MAP_SWAPPED);
1615		2264
1616	# need to save uniques path	2265	# need to save uniques path
1617	unless ($self->{deny_save}) {	2266	unless ($self->{deny_save}) {
…		…
1621	if $uniq;	2270	if $uniq;
1622	}	2271	}
1623		2272
1624	delete $cf::MAP{$self->path};	2273	delete $cf::MAP{$self->path};
1625		2274
		2275	$self->deactivate;
		2276	$_->clear_links_to ($self) for values %cf::MAP;
1626	$self->clear;	2277	$self->clear;
1627
1628	$_->clear_links_to ($self) for values %cf::MAP;
1629		2278
1630	$self->unlink_save;	2279	$self->unlink_save;
1631	$self->destroy;	2280	$self->destroy;
1632	}	2281	}
1633		2282
1634	my $nuke_counter = "aaaa";	2283	my $nuke_counter = "aaaa";
1635		2284
1636	sub nuke {	2285	sub nuke {
1637	my ($self) = @_;	2286	my ($self) = @_;
1638		2287
		2288	{
		2289	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2290
1639	delete $cf::MAP{$self->path};	2291	delete $cf::MAP{$self->path};
1640		2292
1641	$self->unlink_save;	2293	$self->unlink_save;
1642		2294
1643	bless $self, "cf::map";	2295	bless $self, "cf::map";
1644	delete $self->{deny_reset};	2296	delete $self->{deny_reset};
1645	$self->{deny_save} = 1;	2297	$self->{deny_save} = 1;
1646	$self->reset_timeout (1);	2298	$self->reset_timeout (1);
1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2299	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1648		2300
1649	$cf::MAP{$self->path} = $self;	2301	$cf::MAP{$self->path} = $self;
		2302	}
1650		2303
1651	$self->reset; # polite request, might not happen	2304	$self->reset; # polite request, might not happen
		2305	}
		2306
		2307	=item $maps = cf::map::tmp_maps
		2308
		2309	Returns an arrayref with all map paths of currently instantiated and saved
		2310	maps. May block.
		2311
		2312	=cut
		2313
		2314	sub tmp_maps() {
		2315	[
		2316	map {
		2317	utf8::decode $_;
		2318	/\.map$/
		2319	? normalise $_
		2320	: ()
		2321	} @{ aio_readdir $TMPDIR or [] }
		2322	]
		2323	}
		2324
		2325	=item $maps = cf::map::random_maps
		2326
		2327	Returns an arrayref with all map paths of currently instantiated and saved
		2328	random maps. May block.
		2329
		2330	=cut
		2331
		2332	sub random_maps() {
		2333	[
		2334	map {
		2335	utf8::decode $_;
		2336	/\.map$/
		2337	? normalise "?random/$_"
		2338	: ()
		2339	} @{ aio_readdir $RANDOMDIR or [] }
		2340	]
1652	}	2341	}
1653		2342
1654	=item cf::map::unique_maps	2343	=item cf::map::unique_maps
1655		2344
1656	Returns an arrayref of paths of all shared maps that have	2345	Returns an arrayref of paths of all shared maps that have
1657	instantiated unique items. May block.	2346	instantiated unique items. May block.
1658		2347
1659	=cut	2348	=cut
1660		2349
1661	sub unique_maps() {	2350	sub unique_maps() {
1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2351	[
1663	or return;	2352	map {
1664
1665	my @paths;
1666
1667	for (@$files) {
1668	utf8::decode $_;	2353	utf8::decode $_;
1669	next if /\.pst$/;	2354	s/\.map$//; # TODO future compatibility hack
1670	next unless /^$PATH_SEP/o;	2355	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1671		2356	? ()
1672	push @paths, cf::map::normalise $_;	2357	: normalise $_
		2358	} @{ aio_readdir $UNIQUEDIR or [] }
1673	}	2359	]
1674
1675	\@paths
1676	}	2360	}
1677		2361
1678	package cf;	2362	=item cf::map::static_maps
		2363
		2364	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2365	file in the shared directory excluding F</styles> and F</editor>). May
		2366	block.
		2367
		2368	=cut
		2369
		2370	sub static_maps() {
		2371	my @dirs = "";
		2372	my @maps;
		2373
		2374	while (@dirs) {
		2375	my $dir = shift @dirs;
		2376
		2377	next if $dir eq "/styles" || $dir eq "/editor";
		2378
		2379	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2380	or return;
		2381
		2382	for (@$files) {
		2383	s/\.map$// or next;
		2384	utf8::decode $_;
		2385	push @maps, "$dir/$_";
		2386	}
		2387
		2388	push @dirs, map "$dir/$_", @$dirs;
		2389	}
		2390
		2391	\@maps
		2392	}
1679		2393
1680	=back	2394	=back
1681		2395
1682	=head3 cf::object	2396	=head3 cf::object
1683		2397
…		…
1687		2401
1688	=over 4	2402	=over 4
1689		2403
1690	=item $ob->inv_recursive	2404	=item $ob->inv_recursive
1691		2405
1692	Returns the inventory of the object _and_ their inventories, recursively.	2406	Returns the inventory of the object I<and> their inventories, recursively,
		2407	but I<not> the object itself.
1693		2408
1694	=cut	2409	=cut
1695		2410
1696	sub inv_recursive_;	2411	sub inv_recursive_;
1697	sub inv_recursive_ {	2412	sub inv_recursive_ {
…		…
1700		2415
1701	sub inv_recursive {	2416	sub inv_recursive {
1702	inv_recursive_ inv $_[0]	2417	inv_recursive_ inv $_[0]
1703	}	2418	}
1704		2419
		2420	=item $ref = $ob->ref
		2421
		2422	Creates and returns a persistent reference to an object that can be stored as a string.
		2423
		2424	=item $ob = cf::object::deref ($refstring)
		2425
		2426	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2427	even if the object actually exists. May block.
		2428
		2429	=cut
		2430
		2431	sub deref {
		2432	my ($ref) = @_;
		2433
		2434	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2435	my ($uuid, $name) = ($1, $2);
		2436	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2437	or return;
		2438	$pl->ob->uuid eq $uuid
		2439	or return;
		2440
		2441	$pl->ob
		2442	} else {
		2443	warn "$ref: cannot resolve object reference\n";
		2444	undef
		2445	}
		2446	}
		2447
1705	package cf;	2448	package cf;
1706		2449
1707	=back	2450	=back
1708		2451
1709	=head3 cf::object::player	2452	=head3 cf::object::player
…		…
1715	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2458	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1716	can be C<undef>. Does the right thing when the player is currently in a	2459	can be C<undef>. Does the right thing when the player is currently in a
1717	dialogue with the given NPC character.	2460	dialogue with the given NPC character.
1718		2461
1719	=cut	2462	=cut
		2463
		2464	our $SAY_CHANNEL = {
		2465	id => "say",
		2466	title => "Map",
		2467	reply => "say ",
		2468	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2469	};
		2470
		2471	our $CHAT_CHANNEL = {
		2472	id => "chat",
		2473	title => "Chat",
		2474	reply => "chat ",
		2475	tooltip => "Player chat and shouts, global to the server.",
		2476	};
1720		2477
1721	# rough implementation of a future "reply" method that works	2478	# rough implementation of a future "reply" method that works
1722	# with dialog boxes.	2479	# with dialog boxes.
1723	#TODO: the first argument must go, split into a $npc->reply_to ( method	2480	#TODO: the first argument must go, split into a $npc->reply_to ( method
1724	sub cf::object::player::reply($$$;$) {	2481	sub cf::object::player::reply($$$;$) {
…		…
1726		2483
1727	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2484	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1728		2485
1729	if ($self->{record_replies}) {	2486	if ($self->{record_replies}) {
1730	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2487	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2488
1731	} else {	2489	} else {
		2490	my $pl = $self->contr;
		2491
		2492	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2493	my $dialog = $pl->{npc_dialog};
		2494	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2495
		2496	} else {
1732	$msg = $npc->name . " says: $msg" if $npc;	2497	$msg = $npc->name . " says: $msg" if $npc;
1733	$self->message ($msg, $flags);	2498	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2499	}
1734	}	2500	}
		2501	}
		2502
		2503	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2504
		2505	=cut
		2506
		2507	sub cf::object::send_msg {
		2508	my $pl = shift->contr
		2509	or return;
		2510	$pl->send_msg (@_);
1735	}	2511	}
1736		2512
1737	=item $player_object->may ("access")	2513	=item $player_object->may ("access")
1738		2514
1739	Returns wether the given player is authorized to access resource "access"	2515	Returns wether the given player is authorized to access resource "access"
…		…
1752		2528
1753	=item $player_object->enter_link	2529	=item $player_object->enter_link
1754		2530
1755	Freezes the player and moves him/her to a special map (C<{link}>).	2531	Freezes the player and moves him/her to a special map (C<{link}>).
1756		2532
1757	The player should be reasonably safe there for short amounts of time. You	2533	The player should be reasonably safe there for short amounts of time (e.g.
1758	I<MUST> call C<leave_link> as soon as possible, though.	2534	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2535	though, as the palyer cannot control the character while it is on the link
		2536	map.
1759		2537
1760	Will never block.	2538	Will never block.
1761		2539
1762	=item $player_object->leave_link ($map, $x, $y)	2540	=item $player_object->leave_link ($map, $x, $y)
1763		2541
…		…
1786	$self->deactivate_recursive;	2564	$self->deactivate_recursive;
1787		2565
1788	return if UNIVERSAL::isa $self->map, "ext::map_link";	2566	return if UNIVERSAL::isa $self->map, "ext::map_link";
1789		2567
1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2568	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791	if $self->map;	2569	if $self->map && $self->map->{path} ne "{link}";
1792		2570
1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2571	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1794	}	2572	}
1795		2573
1796	sub cf::object::player::leave_link {	2574	sub cf::object::player::leave_link {
1797	my ($self, $map, $x, $y) = @_;	2575	my ($self, $map, $x, $y) = @_;
		2576
		2577	return unless $self->contr->active;
1798		2578
1799	my $link_pos = delete $self->{_link_pos};	2579	my $link_pos = delete $self->{_link_pos};
1800		2580
1801	unless ($map) {	2581	unless ($map) {
1802	# restore original map position	2582	# restore original map position
…		…
1813	($x, $y) = (-1, -1)	2593	($x, $y) = (-1, -1)
1814	unless (defined $x) && (defined $y);	2594	unless (defined $x) && (defined $y);
1815		2595
1816	# use -1 or undef as default coordinates, not 0, 0	2596	# use -1 or undef as default coordinates, not 0, 0
1817	($x, $y) = ($map->enter_x, $map->enter_y)	2597	($x, $y) = ($map->enter_x, $map->enter_y)
1818	if $x <=0 && $y <= 0;	2598	if $x <= 0 && $y <= 0;
1819		2599
1820	$map->load;	2600	$map->load;
1821	$map->load_diag;	2601	$map->load_neighbours;
1822		2602
1823	return unless $self->contr->active;	2603	return unless $self->contr->active;
1824	$self->activate_recursive;
1825		2604
1826	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2605	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1827	$self->enter_map ($map, $x, $y);	2606	$self->enter_map ($map, $x, $y);
1828	}
1829		2607
1830	cf::player->attach (	2608	# only activate afterwards, to support waiting in hooks
1831	on_logout => sub {	2609	$self->activate_recursive;
1832	my ($pl) = @_;	2610	}
1833		2611
1834	# abort map switching before logout	2612	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1835	if ($pl->ob->{_link_pos}) {
1836	cf::sync_job {
1837	$pl->ob->leave_link
1838	};
1839	}
1840	},
1841	on_login => sub {
1842	my ($pl) = @_;
1843		2613
1844	# try to abort aborted map switching on player login :)	2614	Moves the player to the given map-path and coordinates by first freezing
1845	# should happen only on crashes	2615	her, loading and preparing them map, calling the provided $check callback
1846	if ($pl->ob->{_link_pos}) {	2616	that has to return the map if sucecssful, and then unfreezes the player on
1847	$pl->ob->enter_link;	2617	the new (success) or old (failed) map position. In either case, $done will
1848	(async {	2618	be called at the end of this process.
1849	$pl->ob->reply (undef,
1850	"There was an internal problem at your last logout, "
1851	. "the server will try to bring you to your intended destination in a second.",
1852	cf::NDI_RED);
1853	# we need this sleep as the login has a concurrent enter_exit running
1854	# and this sleep increases chances of the player not ending up in scorn
1855	Coro::Timer::sleep 1;
1856	$pl->ob->leave_link;
1857	})->prio (2);
1858	}
1859	},
1860	);
1861		2619
1862	=item $player_object->goto ($path, $x, $y)	2620	Note that $check will be called with a potentially non-loaded map, so if
		2621	it needs a loaded map it has to call C<< ->load >>.
1863		2622
1864	=cut	2623	=cut
		2624
		2625	our $GOTOGEN;
1865		2626
1866	sub cf::object::player::goto {	2627	sub cf::object::player::goto {
1867	my ($self, $path, $x, $y) = @_;	2628	my ($self, $path, $x, $y, $check, $done) = @_;
		2629
		2630	# do generation counting so two concurrent goto's will be executed in-order
		2631	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1868		2632
1869	$self->enter_link;	2633	$self->enter_link;
1870		2634
1871	(async {	2635	(async {
		2636	$Coro::current->{desc} = "player::goto $path $x $y";
		2637
		2638	# *tag paths override both path and x|y
		2639	if ($path =~ /^\*(.*)$/) {
		2640	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2641	my $ob = $obs[rand @obs];
		2642
		2643	# see if we actually can go there
		2644	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2645	$ob = $obs[rand @obs];
		2646	} else {
		2647	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2648	}
		2649	# else put us there anyways for now #d#
		2650
		2651	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2652	} else {
		2653	($path, $x, $y) = (undef, undef, undef);
		2654	}
		2655	}
		2656
1872	my $map = eval {	2657	my $map = eval {
1873	my $map = cf::map::find $path;	2658	my $map = defined $path ? cf::map::find $path : undef;
		2659
		2660	if ($map) {
1874	$map = $map->customise_for ($self) if $map;	2661	$map = $map->customise_for ($self);
		2662	$map = $check->($map) if $check && $map;
		2663	} else {
		2664	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2665	}
		2666
1875	$map	2667	$map
		2668	};
		2669
		2670	if ($@) {
		2671	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2672	LOG llevError | logBacktrace, Carp::longmess $@;
1876	} or	2673	}
1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1878		2674
		2675	if ($gen == $self->{_goto_generation}) {
		2676	delete $self->{_goto_generation};
1879	$self->leave_link ($map, $x, $y);	2677	$self->leave_link ($map, $x, $y);
		2678	}
		2679
		2680	$done->() if $done;
1880	})->prio (1);	2681	})->prio (1);
1881	}	2682	}
1882		2683
1883	=item $player_object->enter_exit ($exit_object)	2684	=item $player_object->enter_exit ($exit_object)
1884		2685
…		…
1904	}	2705	}
1905		2706
1906	sub prepare_random_map {	2707	sub prepare_random_map {
1907	my ($exit) = @_;	2708	my ($exit) = @_;
1908		2709
1909	my $guard = cf::lock_acquire "exit_prepare:$exit";
1910
1911	# all this does is basically replace the /! path by	2710	# all this does is basically replace the /! path by
1912	# a new random map path (?random/...) with a seed	2711	# a new random map path (?random/...) with a seed
1913	# that depends on the exit object	2712	# that depends on the exit object
1914		2713
1915	my $rmp = parse_random_map_params $exit->msg;	2714	my $rmp = parse_random_map_params $exit->msg;
…		…
1917	if ($exit->map) {	2716	if ($exit->map) {
1918	$rmp->{region} = $exit->region->name;	2717	$rmp->{region} = $exit->region->name;
1919	$rmp->{origin_map} = $exit->map->path;	2718	$rmp->{origin_map} = $exit->map->path;
1920	$rmp->{origin_x} = $exit->x;	2719	$rmp->{origin_x} = $exit->x;
1921	$rmp->{origin_y} = $exit->y;	2720	$rmp->{origin_y} = $exit->y;
		2721
		2722	$exit->map->touch;
1922	}	2723	}
1923		2724
1924	$rmp->{random_seed} ||= $exit->random_seed;	2725	$rmp->{random_seed} ||= $exit->random_seed;
1925		2726
1926	my $data = cf::to_json $rmp;	2727	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1927	my $md5 = Digest::MD5::md5_hex $data;	2728	my $md5 = Digest::MD5::md5_hex $data;
1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2729	my $meta = "$RANDOMDIR/$md5.meta";
1929		2730
1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2731	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1931	aio_write $fh, 0, (length $data), $data, 0;	2732	aio_write $fh, 0, (length $data), $data, 0;
1932	undef $fh;	2733	undef $fh;
1933	aio_rename "$meta~", $meta;	2734	aio_rename "$meta~", $meta;
1934		2735
		2736	my $slaying = "?random/$md5";
		2737
		2738	if ($exit->valid) {
1935	$exit->slaying ("?random/$md5");	2739	$exit->slaying ("?random/$md5");
1936	$exit->msg (undef);	2740	$exit->msg (undef);
		2741	}
1937	}	2742	}
1938	}	2743	}
1939		2744
1940	sub cf::object::player::enter_exit {	2745	sub cf::object::player::enter_exit {
1941	my ($self, $exit) = @_;	2746	my ($self, $exit) = @_;
1942		2747
1943	return unless $self->type == cf::PLAYER;	2748	return unless $self->type == cf::PLAYER;
1944		2749
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;	2750	$self->enter_link;
1955		2751
1956	(async {	2752	(async {
1957	$self->deactivate_recursive; # just to be sure	2753	$Coro::current->{desc} = "enter_exit";
		2754
1958	unless (eval {	2755	unless (eval {
		2756	$self->deactivate_recursive; # just to be sure
		2757
		2758	# random map handling
		2759	{
		2760	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2761
		2762	prepare_random_map $exit
		2763	if $exit->slaying eq "/!";
		2764	}
		2765
		2766	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2767	my $x = $exit->stats->hp;
		2768	my $y = $exit->stats->sp;
		2769
1959	$self->goto ($slaying, $hp, $sp);	2770	$self->goto ($map, $x, $y);
1960		2771
		2772	# if exit is damned, update players death & WoR home-position
		2773	$self->contr->savebed ($map, $x, $y)
		2774	if $exit->flag (cf::FLAG_DAMNED);
		2775
1961	1;	2776	1
1962	}) {	2777	}) {
1963	$self->message ("Something went wrong deep within the crossfire server. "	2778	$self->message ("Something went wrong deep within the deliantra server. "
1964	. "I'll try to bring you back to the map you were before. "	2779	. "I'll try to bring you back to the map you were before. "
1965	. "Please report this to the dungeon master!",	2780	. "Please report this to the dungeon master!",
1966	cf::NDI_UNIQUE | cf::NDI_RED);	2781	cf::NDI_UNIQUE | cf::NDI_RED);
1967		2782
1968	warn "ERROR in enter_exit: $@";	2783	warn "ERROR in enter_exit: $@";
1969	$self->leave_link;	2784	$self->leave_link;
1970	}	2785	}
1971	})->prio (1);	2786	})->prio (1);
…		…
1987		2802
1988	utf8::encode $text;	2803	utf8::encode $text;
1989	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2804	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1990	}	2805	}
1991		2806
		2807	=item $client->send_big_packet ($pkt)
		2808
		2809	Like C<send_packet>, but tries to compress large packets, and fragments
		2810	them as required.
		2811
		2812	=cut
		2813
		2814	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2815
		2816	sub cf::client::send_big_packet {
		2817	my ($self, $pkt) = @_;
		2818
		2819	# try lzf for large packets
		2820	$pkt = "lzf " . Compress::LZF::compress $pkt
		2821	if 1024 <= length $pkt and $self->{can_lzf};
		2822
		2823	# split very large packets
		2824	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2825	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2826	$pkt = "frag";
		2827	}
		2828
		2829	$self->send_packet ($pkt);
		2830	}
		2831
		2832	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2833
		2834	Send a drawinfo or msg packet to the client, formatting the msg for the
		2835	client if neccessary. C<$type> should be a string identifying the type of
		2836	the message, with C<log> being the default. If C<$color> is negative, suppress
		2837	the message unless the client supports the msg packet.
		2838
		2839	=cut
		2840
		2841	# non-persistent channels (usually the info channel)
		2842	our %CHANNEL = (
		2843	"c/motd" => {
		2844	id => "infobox",
		2845	title => "MOTD",
		2846	reply => undef,
		2847	tooltip => "The message of the day",
		2848	},
		2849	"c/identify" => {
		2850	id => "infobox",
		2851	title => "Identify",
		2852	reply => undef,
		2853	tooltip => "Items recently identified",
		2854	},
		2855	"c/examine" => {
		2856	id => "infobox",
		2857	title => "Examine",
		2858	reply => undef,
		2859	tooltip => "Signs and other items you examined",
		2860	},
		2861	"c/shopinfo" => {
		2862	id => "infobox",
		2863	title => "Shop Info",
		2864	reply => undef,
		2865	tooltip => "What your bargaining skill tells you about the shop",
		2866	},
		2867	"c/book" => {
		2868	id => "infobox",
		2869	title => "Book",
		2870	reply => undef,
		2871	tooltip => "The contents of a note or book",
		2872	},
		2873	"c/lookat" => {
		2874	id => "infobox",
		2875	title => "Look",
		2876	reply => undef,
		2877	tooltip => "What you saw there",
		2878	},
		2879	"c/who" => {
		2880	id => "infobox",
		2881	title => "Players",
		2882	reply => undef,
		2883	tooltip => "Shows players who are currently online",
		2884	},
		2885	"c/body" => {
		2886	id => "infobox",
		2887	title => "Body Parts",
		2888	reply => undef,
		2889	tooltip => "Shows which body parts you posess and are available",
		2890	},
		2891	"c/statistics" => {
		2892	id => "infobox",
		2893	title => "Statistics",
		2894	reply => undef,
		2895	tooltip => "Shows your primary statistics",
		2896	},
		2897	"c/skills" => {
		2898	id => "infobox",
		2899	title => "Skills",
		2900	reply => undef,
		2901	tooltip => "Shows your experience per skill and item power",
		2902	},
		2903	"c/shopitems" => {
		2904	id => "infobox",
		2905	title => "Shop Items",
		2906	reply => undef,
		2907	tooltip => "Shows the items currently for sale in this shop",
		2908	},
		2909	"c/resistances" => {
		2910	id => "infobox",
		2911	title => "Resistances",
		2912	reply => undef,
		2913	tooltip => "Shows your resistances",
		2914	},
		2915	"c/pets" => {
		2916	id => "infobox",
		2917	title => "Pets",
		2918	reply => undef,
		2919	tooltip => "Shows information abotu your pets/a specific pet",
		2920	},
		2921	"c/perceiveself" => {
		2922	id => "infobox",
		2923	title => "Perceive Self",
		2924	reply => undef,
		2925	tooltip => "You gained detailed knowledge about yourself",
		2926	},
		2927	"c/uptime" => {
		2928	id => "infobox",
		2929	title => "Uptime",
		2930	reply => undef,
		2931	tooltip => "How long the server has been running since last restart",
		2932	},
		2933	"c/mapinfo" => {
		2934	id => "infobox",
		2935	title => "Map Info",
		2936	reply => undef,
		2937	tooltip => "Information related to the maps",
		2938	},
		2939	"c/party" => {
		2940	id => "party",
		2941	title => "Party",
		2942	reply => "gsay ",
		2943	tooltip => "Messages and chat related to your party",
		2944	},
		2945	"c/death" => {
		2946	id => "death",
		2947	title => "Death",
		2948	reply => undef,
		2949	tooltip => "Reason for and more info about your most recent death",
		2950	},
		2951	"c/say" => $SAY_CHANNEL,
		2952	"c/chat" => $CHAT_CHANNEL,
		2953	);
		2954
		2955	sub cf::client::send_msg {
		2956	my ($self, $channel, $msg, $color, @extra) = @_;
		2957
		2958	$msg = $self->pl->expand_cfpod ($msg)
		2959	unless $color & cf::NDI_VERBATIM;
		2960
		2961	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2962
		2963	# check predefined channels, for the benefit of C
		2964	if ($CHANNEL{$channel}) {
		2965	$channel = $CHANNEL{$channel};
		2966
		2967	$self->ext_msg (channel_info => $channel);
		2968	$channel = $channel->{id};
		2969
		2970	} elsif (ref $channel) {
		2971	# send meta info to client, if not yet sent
		2972	unless (exists $self->{channel}{$channel->{id}}) {
		2973	$self->{channel}{$channel->{id}} = $channel;
		2974	$self->ext_msg (channel_info => $channel);
		2975	}
		2976
		2977	$channel = $channel->{id};
		2978	}
		2979
		2980	return unless @extra || length $msg;
		2981
		2982	# default colour, mask it out
		2983	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2984	if $color & cf::NDI_DEF;
		2985
		2986	my $pkt = "msg "
		2987	. $self->{json_coder}->encode (
		2988	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2989	);
		2990
		2991	$self->send_big_packet ($pkt);
		2992	}
		2993
		2994	=item $client->ext_msg ($type, @msg)
		2995
		2996	Sends an ext event to the client.
		2997
		2998	=cut
		2999
		3000	sub cf::client::ext_msg($$@) {
		3001	my ($self, $type, @msg) = @_;
		3002
		3003	if ($self->extcmd == 2) {
		3004	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3005	} elsif ($self->extcmd == 1) { # TODO: remove
		3006	push @msg, msgtype => "event_$type";
		3007	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3008	}
		3009	}
		3010
		3011	=item $client->ext_reply ($msgid, @msg)
		3012
		3013	Sends an ext reply to the client.
		3014
		3015	=cut
		3016
		3017	sub cf::client::ext_reply($$@) {
		3018	my ($self, $id, @msg) = @_;
		3019
		3020	if ($self->extcmd == 2) {
		3021	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3022	} elsif ($self->extcmd == 1) {
		3023	#TODO: version 1, remove
		3024	unshift @msg, msgtype => "reply", msgid => $id;
		3025	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3026	}
		3027	}
1992		3028
1993	=item $success = $client->query ($flags, "text", \&cb)	3029	=item $success = $client->query ($flags, "text", \&cb)
1994		3030
1995	Queues a query to the client, calling the given callback with	3031	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>,	3032	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>.	3033	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1998		3034
1999	Queries can fail, so check the return code. Or don't, as queries will become	3035	Queries can fail, so check the return code. Or don't, as queries will
2000	reliable at some point in the future.	3036	become reliable at some point in the future.
2001		3037
2002	=cut	3038	=cut
2003		3039
2004	sub cf::client::query {	3040	sub cf::client::query {
2005	my ($self, $flags, $text, $cb) = @_;	3041	my ($self, $flags, $text, $cb) = @_;
…		…
2013	utf8::encode $text;	3049	utf8::encode $text;
2014	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3050	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2015		3051
2016	$self->send_packet ($self->{query_queue}[0][0])	3052	$self->send_packet ($self->{query_queue}[0][0])
2017	if @{ $self->{query_queue} } == 1;	3053	if @{ $self->{query_queue} } == 1;
		3054
		3055	1
2018	}	3056	}
2019		3057
2020	cf::client->attach (	3058	cf::client->attach (
		3059	on_connect => sub {
		3060	my ($ns) = @_;
		3061
		3062	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3063	},
2021	on_reply => sub {	3064	on_reply => sub {
2022	my ($ns, $msg) = @_;	3065	my ($ns, $msg) = @_;
2023		3066
2024	# this weird shuffling is so that direct followup queries	3067	# this weird shuffling is so that direct followup queries
2025	# get handled first	3068	# get handled first
…		…
2037	} else {	3080	} else {
2038	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3081	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2039	}	3082	}
2040	}	3083	}
2041	},	3084	},
		3085	on_exticmd => sub {
		3086	my ($ns, $buf) = @_;
		3087
		3088	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3089
		3090	if (ref $msg) {
		3091	my ($type, $reply, @payload) =
		3092	"ARRAY" eq ref $msg
		3093	? @$msg
		3094	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3095
		3096	my @reply;
		3097
		3098	if (my $cb = $EXTICMD{$type}) {
		3099	@reply = $cb->($ns, @payload);
		3100	}
		3101
		3102	$ns->ext_reply ($reply, @reply)
		3103	if $reply;
		3104
		3105	} else {
		3106	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3107	}
		3108
		3109	cf::override;
		3110	},
2042	);	3111	);
2043		3112
2044	=item $client->async (\&cb)	3113	=item $client->async (\&cb)
2045		3114
2046	Create a new coroutine, running the specified callback. The coroutine will	3115	Create a new coroutine, running the specified callback. The coroutine will
…		…
2087	our $safe = new Safe "safe";	3156	our $safe = new Safe "safe";
2088	our $safe_hole = new Safe::Hole;	3157	our $safe_hole = new Safe::Hole;
2089		3158
2090	$SIG{FPE} = 'IGNORE';	3159	$SIG{FPE} = 'IGNORE';
2091		3160
2092	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3161	$safe->permit_only (Opcode::opset qw(
		3162	:base_core :base_mem :base_orig :base_math :base_loop
		3163	grepstart grepwhile mapstart mapwhile
		3164	sort time
		3165	));
2093		3166
2094	# here we export the classes and methods available to script code	3167	# here we export the classes and methods available to script code
2095		3168
2096	=pod	3169	=pod
2097		3170
2098	The following fucntions and emthods are available within a safe environment:	3171	The following functions and methods are available within a safe environment:
2099		3172
2100	cf::object contr pay_amount pay_player map	3173	cf::object
		3174	contr pay_amount pay_player map x y force_find force_add destroy
		3175	insert remove name archname title slaying race decrease split
		3176	value
		3177
2101	cf::object::player player	3178	cf::object::player
2102	cf::player peaceful	3179	player
2103	cf::map trigger	3180
		3181	cf::player
		3182	peaceful
		3183
		3184	cf::map
		3185	trigger
2104		3186
2105	=cut	3187	=cut
2106		3188
2107	for (	3189	for (
2108	["cf::object" => qw(contr pay_amount pay_player map)],	3190	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3191	insert remove inv nrof name archname title slaying race
		3192	decrease split destroy change_exp value msg lore send_msg)],
2109	["cf::object::player" => qw(player)],	3193	["cf::object::player" => qw(player)],
2110	["cf::player" => qw(peaceful)],	3194	["cf::player" => qw(peaceful send_msg)],
2111	["cf::map" => qw(trigger)],	3195	["cf::map" => qw(trigger)],
2112	) {	3196	) {
2113	no strict 'refs';	3197	no strict 'refs';
2114	my ($pkg, @funs) = @$_;	3198	my ($pkg, @funs) = @$_;
2115	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3199	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2133		3217
2134	my $qcode = $code;	3218	my $qcode = $code;
2135	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3219	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2136	$qcode =~ s/\n/\\n/g;	3220	$qcode =~ s/\n/\\n/g;
2137		3221
		3222	%vars = (_dummy => 0) unless %vars;
		3223
		3224	my @res;
2138	local $_;	3225	local $_;
2139	local @safe::cf::_safe_eval_args = values %vars;
2140		3226
2141	my $eval =	3227	my $eval =
2142	"do {\n"	3228	"do {\n"
2143	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3229	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2144	. "#line 0 \"{$qcode}\"\n"	3230	. "#line 0 \"{$qcode}\"\n"
2145	. $code	3231	. $code
2146	. "\n}"	3232	. "\n}"
2147	;	3233	;
2148		3234
		3235	if ($CFG{safe_eval}) {
2149	sub_generation_inc;	3236	sub_generation_inc;
		3237	local @safe::cf::_safe_eval_args = values %vars;
2150	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3238	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2151	sub_generation_inc;	3239	sub_generation_inc;
		3240	} else {
		3241	local @cf::_safe_eval_args = values %vars;
		3242	@res = wantarray ? eval eval : scalar eval $eval;
		3243	}
2152		3244
2153	if ($@) {	3245	if ($@) {
2154	warn "$@";	3246	warn "$@";
2155	warn "while executing safe code '$code'\n";	3247	warn "while executing safe code '$code'\n";
2156	warn "with arguments " . (join " ", %vars) . "\n";	3248	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2175	=cut	3267	=cut
2176		3268
2177	sub register_script_function {	3269	sub register_script_function {
2178	my ($fun, $cb) = @_;	3270	my ($fun, $cb) = @_;
2179		3271
2180	no strict 'refs';	3272	$fun = "safe::$fun" if $CFG{safe_eval};
2181	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3273	*$fun = $safe_hole->wrap ($cb);
2182	}	3274	}
2183		3275
2184	=back	3276	=back
2185		3277
2186	=cut	3278	=cut
2187
2188	#############################################################################
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		3279
2260	#############################################################################	3280	#############################################################################
2261	# the server's init and main functions	3281	# the server's init and main functions
2262		3282
2263	sub load_faces {	3283	sub load_facedata($) {
2264	my $path = sprintf "%s/faces", cf::datadir;	3284	my ($path) = @_;
2265		3285
		3286	# HACK to clear player env face cache, we need some signal framework
		3287	# for this (global event?)
		3288	%ext::player_env::MUSIC_FACE_CACHE = ();
		3289
		3290	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3291
2266	warn "loading faces from $path\n";	3292	warn "loading facedata from $path\n";
2267		3293
2268	my $faces;	3294	my $facedata;
2269	0 < aio_load $path, $faces	3295	0 < aio_load $path, $facedata
2270	or die "$path: $!";	3296	or die "$path: $!";
2271		3297
2272	Coro::cede;
2273	$faces = Storable::thaw $faces;	3298	$facedata = Coro::Storable::thaw $facedata;
2274	Coro::cede;
2275		3299
2276	my $meta = delete $faces->{""};
2277	$meta->{version} == 1	3300	$facedata->{version} == 2
2278	or cf::cleanup "$path: version mismatch, cannot proceed.";	3301	or cf::cleanup "$path: version mismatch, cannot proceed.";
2279		3302
		3303	# patch in the exptable
		3304	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3305	$facedata->{resource}{"res/exp_table"} = {
		3306	type => FT_RSRC,
		3307	data => $exp_table,
		3308	hash => (Digest::MD5::md5 $exp_table),
		3309	};
		3310	cf::cede_to_tick;
		3311
		3312	{
		3313	my $faces = $facedata->{faceinfo};
		3314
2280	while (my ($face, $info) = each %$faces) {	3315	while (my ($face, $info) = each %$faces) {
2281	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3316	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2282	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3317
		3318	cf::face::set_visibility $idx, $info->{visibility};
		3319	cf::face::set_magicmap $idx, $info->{magicmap};
2283	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3320	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2284	Coro::cede;	3321	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2285	}
2286		3322
		3323	cf::cede_to_tick;
		3324	}
		3325
2287	while (my ($face, $info) = each %$faces) {	3326	while (my ($face, $info) = each %$faces) {
2288	next unless $info->{smooth};	3327	next unless $info->{smooth};
		3328
2289	my $idx = cf::face::find $face	3329	my $idx = cf::face::find $face
2290	or next;	3330	or next;
		3331
2291	if (my $smooth = cf::face::find $info->{smooth}) {	3332	if (my $smooth = cf::face::find $info->{smooth}) {
2292	cf::face::set_smooth $idx, $smooth;	3333	cf::face::set_smooth $idx, $smooth;
		3334	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2293	} else {	3335	} else {
2294	warn "smooth face '$info->{smooth}' not found for face '$face'";	3336	warn "smooth face '$info->{smooth}' not found for face '$face'";
2295	}	3337	}
2296	Coro::cede;	3338
		3339	cf::cede_to_tick;
		3340	}
		3341	}
		3342
2297	}	3343	{
		3344	my $anims = $facedata->{animinfo};
		3345
		3346	while (my ($anim, $info) = each %$anims) {
		3347	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3348	cf::cede_to_tick;
		3349	}
		3350
		3351	cf::anim::invalidate_all; # d'oh
		3352	}
		3353
		3354	{
		3355	my $res = $facedata->{resource};
		3356
		3357	while (my ($name, $info) = each %$res) {
		3358	if (defined $info->{type}) {
		3359	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3360
		3361	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3362	cf::face::set_type $idx, $info->{type};
		3363	} else {
		3364	$RESOURCE{$name} = $info;
		3365	}
		3366
		3367	cf::cede_to_tick;
		3368	}
		3369	}
		3370
		3371	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2298		3372
2299	1	3373	1
2300	}	3374	}
2301		3375
		3376	cf::global->attach (on_resource_update => sub {
		3377	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3378	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3379
		3380	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3381	my $sound = $soundconf->{compat}[$_]
		3382	or next;
		3383
		3384	my $face = cf::face::find "sound/$sound->[1]";
		3385	cf::sound::set $sound->[0] => $face;
		3386	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3387	}
		3388
		3389	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3390	my $face = cf::face::find "sound/$v";
		3391	cf::sound::set $k => $face;
		3392	}
		3393	}
		3394	});
		3395
		3396	register_exticmd fx_want => sub {
		3397	my ($ns, $want) = @_;
		3398
		3399	while (my ($k, $v) = each %$want) {
		3400	$ns->fx_want ($k, $v);
		3401	}
		3402	};
		3403
		3404	sub load_resource_file($) {
		3405	my $guard = lock_acquire "load_resource_file";
		3406
		3407	my $status = load_resource_file_ $_[0];
		3408	get_slot 0.1, 100;
		3409	cf::arch::commit_load;
		3410
		3411	$status
		3412	}
		3413
		3414	sub reload_regions {
		3415	# HACK to clear player env face cache, we need some signal framework
		3416	# for this (global event?)
		3417	%ext::player_env::MUSIC_FACE_CACHE = ();
		3418
		3419	load_resource_file "$MAPDIR/regions"
		3420	or die "unable to load regions file\n";
		3421
		3422	for (cf::region::list) {
		3423	$_->{match} = qr/$_->{match}/
		3424	if exists $_->{match};
		3425	}
		3426	}
		3427
		3428	sub reload_facedata {
		3429	load_facedata "$DATADIR/facedata"
		3430	or die "unable to load facedata\n";
		3431	}
		3432
		3433	sub reload_archetypes {
		3434	load_resource_file "$DATADIR/archetypes"
		3435	or die "unable to load archetypes\n";
		3436	}
		3437
		3438	sub reload_treasures {
		3439	load_resource_file "$DATADIR/treasures"
		3440	or die "unable to load treasurelists\n";
		3441	}
		3442
2302	sub reload_resources {	3443	sub reload_resources {
2303	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3444	warn "reloading resource files...\n";
2304	or die "unable to load regions file\n";#d#	3445
2305	load_faces	3446	reload_facedata;
2306	or die "unable to load faces\n";#d#	3447	reload_archetypes;
2307	}
2308
2309	sub init {
2310	reload_resources;	3448	reload_regions;
2311	}	3449	reload_treasures;
2312		3450
2313	sub cfg_load {	3451	warn "finished reloading resource files\n";
		3452	}
		3453
		3454	sub reload_config {
		3455	warn "reloading config file...\n";
		3456
2314	open my $fh, "<:utf8", cf::confdir . "/config"	3457	open my $fh, "<:utf8", "$CONFDIR/config"
2315	or return;	3458	or return;
2316		3459
2317	local $/;	3460	local $/;
2318	*CFG = YAML::Syck::Load <$fh>;	3461	*CFG = YAML::XS::Load scalar <$fh>;
2319		3462
2320	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3463	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2321		3464
2322	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3465	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2323	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3466	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2327	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3470	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2328	and die "WARNING: m(un)lockall failed: $!\n";	3471	and die "WARNING: m(un)lockall failed: $!\n";
2329	};	3472	};
2330	warn $@ if $@;	3473	warn $@ if $@;
2331	}	3474	}
		3475
		3476	warn "finished reloading resource files\n";
		3477	}
		3478
		3479	sub pidfile() {
		3480	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3481	or die "$PIDFILE: $!";
		3482	flock $fh, &Fcntl::LOCK_EX
		3483	or die "$PIDFILE: flock: $!";
		3484	$fh
		3485	}
		3486
		3487	# make sure only one server instance is running at any one time
		3488	sub atomic {
		3489	my $fh = pidfile;
		3490
		3491	my $pid = <$fh>;
		3492	kill 9, $pid if $pid > 0;
		3493
		3494	seek $fh, 0, 0;
		3495	print $fh $$;
		3496	}
		3497
		3498	sub main_loop {
		3499	warn "EV::loop starting\n";
		3500	if (1) {
		3501	EV::loop;
		3502	}
		3503	warn "EV::loop returned\n";
		3504	goto &main_loop unless $REALLY_UNLOOP;
2332	}	3505	}
2333		3506
2334	sub main {	3507	sub main {
		3508	cf::init_globals; # initialise logging
		3509
		3510	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3511	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3512	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3513	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3514
		3515	cf::init_experience;
		3516	cf::init_anim;
		3517	cf::init_attackmess;
		3518	cf::init_dynamic;
		3519
		3520	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3521
2335	# we must not ever block the main coroutine	3522	# we must not ever block the main coroutine
2336	local $Coro::idle = sub {	3523	local $Coro::idle = sub {
2337	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3524	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2338	(async {	3525	(async {
2339	Event::one_event;	3526	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3527	EV::loop EV::LOOP_ONESHOT;
2340	})->prio (Coro::PRIO_MAX);	3528	})->prio (Coro::PRIO_MAX);
2341	};	3529	};
2342		3530
2343	cfg_load;	3531	evthread_start IO::AIO::poll_fileno;
		3532
		3533	cf::sync_job {
		3534	cf::load_settings;
		3535	cf::load_materials;
		3536
		3537	reload_resources;
		3538	reload_config;
2344	db_init;	3539	db_init;
		3540
		3541	cf::init_uuid;
		3542	cf::init_signals;
		3543	cf::init_commands;
		3544	cf::init_skills;
		3545
		3546	cf::init_beforeplay;
		3547
		3548	atomic;
		3549
2345	load_extensions;	3550	load_extensions;
2346		3551
2347	$TICK_WATCHER->start;	3552	utime time, time, $RUNTIMEFILE;
2348	Event::loop;	3553
		3554	# no (long-running) fork's whatsoever before this point(!)
		3555	use POSIX ();
		3556	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3557
		3558	(pop @POST_INIT)->(0) while @POST_INIT;
		3559	};
		3560
		3561	main_loop;
2349	}	3562	}
2350		3563
2351	#############################################################################	3564	#############################################################################
2352	# initialisation and cleanup	3565	# initialisation and cleanup
2353		3566
2354	# install some emergency cleanup handlers	3567	# install some emergency cleanup handlers
2355	BEGIN {	3568	BEGIN {
		3569	our %SIGWATCHER = ();
2356	for my $signal (qw(INT HUP TERM)) {	3570	for my $signal (qw(INT HUP TERM)) {
2357	Event->signal (	3571	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2358	reentrant => 0,
2359	data => WF_AUTOCANCEL,
2360	signal => $signal,
2361	prio => 0,
2362	cb => sub {
2363	cf::cleanup "SIG$signal";	3572	cf::cleanup "SIG$signal";
2364	},
2365	);	3573	};
		3574	}
		3575	}
		3576
		3577	sub write_runtime_sync {
		3578	my $t0 = EV::time;
		3579
		3580	# first touch the runtime file to show we are still running:
		3581	# the fsync below can take a very very long time.
		3582
		3583	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3584
		3585	my $guard = cf::lock_acquire "write_runtime";
		3586
		3587	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3588	or return;
		3589
		3590	my $value = $cf::RUNTIME + 90 + 10;
		3591	# 10 is the runtime save interval, for a monotonic clock
		3592	# 60 allows for the watchdog to kill the server.
		3593
		3594	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3595	and return;
		3596
		3597	# always fsync - this file is important
		3598	aio_fsync $fh
		3599	and return;
		3600
		3601	# touch it again to show we are up-to-date
		3602	aio_utime $fh, undef, undef;
		3603
		3604	close $fh
		3605	or return;
		3606
		3607	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3608	and return;
		3609
		3610	warn sprintf "runtime file written (%gs).\n", EV::time - $t0;
		3611
2366	}	3612	1
		3613	}
		3614
		3615	our $uuid_lock;
		3616	our $uuid_skip;
		3617
		3618	sub write_uuid_sync($) {
		3619	$uuid_skip ||= $_[0];
		3620
		3621	return if $uuid_lock;
		3622	local $uuid_lock = 1;
		3623
		3624	my $uuid = "$LOCALDIR/uuid";
		3625
		3626	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3627	or return;
		3628
		3629	my $value = uuid_seq uuid_cur;
		3630
		3631	unless ($value) {
		3632	warn "cowardly refusing to write zero uuid value!\n";
		3633	return;
		3634	}
		3635
		3636	my $value = uuid_str $value + $uuid_skip;
		3637	$uuid_skip = 0;
		3638
		3639	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3640	and return;
		3641
		3642	# always fsync - this file is important
		3643	aio_fsync $fh
		3644	and return;
		3645
		3646	close $fh
		3647	or return;
		3648
		3649	aio_rename "$uuid~", $uuid
		3650	and return;
		3651
		3652	warn "uuid file written ($value).\n";
		3653
		3654	1
		3655
		3656	}
		3657
		3658	sub write_uuid($$) {
		3659	my ($skip, $sync) = @_;
		3660
		3661	$sync ? write_uuid_sync $skip
		3662	: async { write_uuid_sync $skip };
2367	}	3663	}
2368		3664
2369	sub emergency_save() {	3665	sub emergency_save() {
2370	my $freeze_guard = cf::freeze_mainloop;	3666	my $freeze_guard = cf::freeze_mainloop;
2371		3667
2372	warn "enter emergency perl save\n";	3668	warn "emergency_perl_save: enter\n";
2373		3669
2374	cf::sync_job {	3670	cf::sync_job {
		3671	# this is a trade-off: we want to be very quick here, so
		3672	# save all maps without fsync, and later call a global sync
		3673	# (which in turn might be very very slow)
		3674	local $USE_FSYNC = 0;
		3675
2375	# use a peculiar iteration method to avoid tripping on perl	3676	# use a peculiar iteration method to avoid tripping on perl
2376	# refcount bugs in for. also avoids problems with players	3677	# refcount bugs in for. also avoids problems with players
2377	# and maps saved/destroyed asynchronously.	3678	# and maps saved/destroyed asynchronously.
2378	warn "begin emergency player save\n";	3679	warn "emergency_perl_save: begin player save\n";
2379	for my $login (keys %cf::PLAYER) {	3680	for my $login (keys %cf::PLAYER) {
2380	my $pl = $cf::PLAYER{$login} or next;	3681	my $pl = $cf::PLAYER{$login} or next;
2381	$pl->valid or next;	3682	$pl->valid or next;
		3683	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2382	$pl->save;	3684	$pl->save;
2383	}	3685	}
2384	warn "end emergency player save\n";	3686	warn "emergency_perl_save: end player save\n";
2385		3687
2386	warn "begin emergency map save\n";	3688	warn "emergency_perl_save: begin map save\n";
2387	for my $path (keys %cf::MAP) {	3689	for my $path (keys %cf::MAP) {
2388	my $map = $cf::MAP{$path} or next;	3690	my $map = $cf::MAP{$path} or next;
2389	$map->valid or next;	3691	$map->valid or next;
2390	$map->save;	3692	$map->save;
2391	}	3693	}
2392	warn "end emergency map save\n";	3694	warn "emergency_perl_save: end map save\n";
2393		3695
2394	warn "begin emergency database checkpoint\n";	3696	warn "emergency_perl_save: begin database checkpoint\n";
2395	BDB::db_env_txn_checkpoint $DB_ENV;	3697	BDB::db_env_txn_checkpoint $DB_ENV;
2396	warn "end emergency database checkpoint\n";	3698	warn "emergency_perl_save: end database checkpoint\n";
		3699
		3700	warn "emergency_perl_save: begin write uuid\n";
		3701	write_uuid_sync 1;
		3702	warn "emergency_perl_save: end write uuid\n";
2397	};	3703	};
2398		3704
		3705	warn "emergency_perl_save: starting sync()\n";
		3706	IO::AIO::aio_sync sub {
		3707	warn "emergency_perl_save: finished sync()\n";
		3708	};
		3709
2399	warn "leave emergency perl save\n";	3710	warn "emergency_perl_save: leave\n";
2400	}	3711	}
2401		3712
2402	sub post_cleanup {	3713	sub post_cleanup {
2403	my ($make_core) = @_;	3714	my ($make_core) = @_;
2404		3715
2405	warn Carp::longmess "post_cleanup backtrace"	3716	warn Carp::longmess "post_cleanup backtrace"
2406	if $make_core;	3717	if $make_core;
2407	}
2408		3718
		3719	my $fh = pidfile;
		3720	unlink $PIDFILE if <$fh> == $$;
		3721	}
		3722
		3723	# a safer delete_package, copied from Symbol
		3724	sub clear_package($) {
		3725	my $pkg = shift;
		3726
		3727	# expand to full symbol table name if needed
		3728	unless ($pkg =~ /^main::.*::$/) {
		3729	$pkg = "main$pkg" if $pkg =~ /^::/;
		3730	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3731	$pkg .= '::' unless $pkg =~ /::$/;
		3732	}
		3733
		3734	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3735	my $stem_symtab = *{$stem}{HASH};
		3736
		3737	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3738	or return;
		3739
		3740	# clear all symbols
		3741	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3742	for my $name (keys %$leaf_symtab) {
		3743	_gv_clear *{"$pkg$name"};
		3744	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3745	}
		3746	warn "cleared package $pkg\n";#d#
		3747	}
		3748
2409	sub reload() {	3749	sub do_reload_perl() {
2410	# can/must only be called in main	3750	# can/must only be called in main
2411	if ($Coro::current != $Coro::main) {	3751	if ($Coro::current != $Coro::main) {
2412	warn "can only reload from main coroutine";	3752	warn "can only reload from main coroutine";
2413	return;	3753	return;
2414	}	3754	}
2415		3755
		3756	return if $RELOAD++;
		3757
		3758	my $t1 = EV::time;
		3759
		3760	while ($RELOAD) {
2416	warn "reloading...";	3761	warn "reloading...";
2417		3762
2418	warn "entering sync_job";	3763	warn "entering sync_job";
2419		3764
2420	cf::sync_job {	3765	cf::sync_job {
2421	cf::write_runtime; # external watchdog should not bark	3766	cf::write_runtime_sync; # external watchdog should not bark
2422	cf::emergency_save;	3767	cf::emergency_save;
2423	cf::write_runtime; # external watchdog should not bark	3768	cf::write_runtime_sync; # external watchdog should not bark
2424		3769
2425	warn "syncing database to disk";	3770	warn "syncing database to disk";
2426	BDB::db_env_txn_checkpoint $DB_ENV;	3771	BDB::db_env_txn_checkpoint $DB_ENV;
2427		3772
2428	# if anything goes wrong in here, we should simply crash as we already saved	3773	# if anything goes wrong in here, we should simply crash as we already saved
2429		3774
2430	warn "cancelling all WF_AUTOCANCEL watchers";
2431	for (Event::all_watchers) {
2432	$_->cancel if $_->data & WF_AUTOCANCEL;
2433	}
2434
2435	warn "flushing outstanding aio requests";	3775	warn "flushing outstanding aio requests";
2436	for (;;) {
2437	BDB::flush;
2438	IO::AIO::flush;
2439	Coro::cede;
2440	last unless IO::AIO::nreqs || BDB::nreqs;	3776	while (IO::AIO::nreqs || BDB::nreqs) {
2441	warn "iterate...";	3777	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2442	}
2443
2444	++$RELOAD;
2445
2446	warn "cancelling all extension coros";
2447	$_->cancel for values %EXT_CORO;
2448	%EXT_CORO = ();
2449
2450	warn "removing commands";
2451	%COMMAND = ();
2452
2453	warn "removing ext commands";
2454	%EXTCMD = ();
2455
2456	warn "unloading/nuking all extensions";
2457	for my $pkg (@EXTS) {
2458	warn "... unloading $pkg";
2459
2460	if (my $cb = $pkg->can ("unload")) {
2461	eval {
2462	$cb->($pkg);
2463	1
2464	} or warn "$pkg unloaded, but with errors: $@";
2465	}	3778	}
2466		3779
2467	warn "... nuking $pkg";	3780	warn "cancelling all extension coros";
2468	Symbol::delete_package $pkg;	3781	$_->cancel for values %EXT_CORO;
2469	}	3782	%EXT_CORO = ();
2470		3783
2471	warn "unloading all perl modules loaded from $LIBDIR";	3784	warn "removing commands";
2472	while (my ($k, $v) = each %INC) {	3785	%COMMAND = ();
2473	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2474		3786
		3787	warn "removing ext/exti commands";
		3788	%EXTCMD = ();
		3789	%EXTICMD = ();
		3790
		3791	warn "unloading/nuking all extensions";
		3792	for my $pkg (@EXTS) {
2475	warn "... unloading $k";	3793	warn "... unloading $pkg";
2476	delete $INC{$k};
2477		3794
2478	$k =~ s/\.pm$//;
2479	$k =~ s/\//::/g;
2480
2481	if (my $cb = $k->can ("unload_module")) {	3795	if (my $cb = $pkg->can ("unload")) {
		3796	eval {
2482	$cb->();	3797	$cb->($pkg);
		3798	1
		3799	} or warn "$pkg unloaded, but with errors: $@";
		3800	}
		3801
		3802	warn "... clearing $pkg";
		3803	clear_package $pkg;
2483	}	3804	}
2484		3805
2485	Symbol::delete_package $k;	3806	warn "unloading all perl modules loaded from $LIBDIR";
		3807	while (my ($k, $v) = each %INC) {
		3808	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3809
		3810	warn "... unloading $k";
		3811	delete $INC{$k};
		3812
		3813	$k =~ s/\.pm$//;
		3814	$k =~ s/\//::/g;
		3815
		3816	if (my $cb = $k->can ("unload_module")) {
		3817	$cb->();
		3818	}
		3819
		3820	clear_package $k;
2486	}	3821	}
2487		3822
2488	warn "getting rid of safe::, as good as possible";	3823	warn "getting rid of safe::, as good as possible";
2489	Symbol::delete_package "safe::$_"	3824	clear_package "safe::$_"
2490	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3825	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2491		3826
2492	warn "unloading cf.pm \"a bit\"";	3827	warn "unloading cf.pm \"a bit\"";
2493	delete $INC{"cf.pm"};	3828	delete $INC{"cf.pm"};
		3829	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2494		3830
2495	# don't, removes xs symbols, too,	3831	# don't, removes xs symbols, too,
2496	# and global variables created in xs	3832	# and global variables created in xs
2497	#Symbol::delete_package __PACKAGE__;	3833	#clear_package __PACKAGE__;
2498		3834
2499	warn "unload completed, starting to reload now";	3835	warn "unload completed, starting to reload now";
2500		3836
2501	warn "reloading cf.pm";	3837	warn "reloading cf.pm";
2502	require cf;	3838	require cf;
2503	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3839	cf::_connect_to_perl_1;
2504		3840
2505	warn "loading config and database again";	3841	warn "loading config and database again";
2506	cf::cfg_load;	3842	cf::reload_config;
2507		3843
2508	warn "loading extensions";	3844	warn "loading extensions";
2509	cf::load_extensions;	3845	cf::load_extensions;
2510		3846
		3847	if ($REATTACH_ON_RELOAD) {
2511	warn "reattaching attachments to objects/players";	3848	warn "reattaching attachments to objects/players";
2512	_global_reattach; # objects, sockets	3849	_global_reattach; # objects, sockets
2513	warn "reattaching attachments to maps";	3850	warn "reattaching attachments to maps";
2514	reattach $_ for values %MAP;	3851	reattach $_ for values %MAP;
2515	warn "reattaching attachments to players";	3852	warn "reattaching attachments to players";
2516	reattach $_ for values %PLAYER;	3853	reattach $_ for values %PLAYER;
		3854	}
2517		3855
2518	warn "loading reloadable resources";	3856	warn "running post_init jobs";
2519	reload_resources;	3857	(pop @POST_INIT)->(1) while @POST_INIT;
2520		3858
2521	warn "leaving sync_job";	3859	warn "leaving sync_job";
2522		3860
2523	1	3861	1
2524	} or do {	3862	} or do {
2525	warn $@;	3863	warn $@;
2526	warn "error while reloading, exiting.";	3864	cf::cleanup "error while reloading, exiting.";
2527	exit 1;	3865	};
		3866
		3867	warn "reloaded";
		3868	--$RELOAD;
		3869	}
		3870
		3871	$t1 = EV::time - $t1;
		3872	warn "reload completed in ${t1}s\n";
		3873	};
		3874
		3875	our $RELOAD_WATCHER; # used only during reload
		3876
		3877	sub reload_perl() {
		3878	# doing reload synchronously and two reloads happen back-to-back,
		3879	# coro crashes during coro_state_free->destroy here.
		3880
		3881	$RELOAD_WATCHER ||= cf::async {
		3882	Coro::AIO::aio_wait cache_extensions;
		3883
		3884	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3885	do_reload_perl;
		3886	undef $RELOAD_WATCHER;
		3887	};
2528	};	3888	};
2529		3889	}
2530	warn "reloaded";
2531	};
2532
2533	our $RELOAD_WATCHER; # used only during reload
2534		3890
2535	register_command "reload" => sub {	3891	register_command "reload" => sub {
2536	my ($who, $arg) = @_;	3892	my ($who, $arg) = @_;
2537		3893
2538	if ($who->flag (FLAG_WIZ)) {	3894	if ($who->flag (FLAG_WIZ)) {
2539	$who->message ("reloading server.");	3895	$who->message ("reloading server.");
2540		3896	async {
2541	# doing reload synchronously and two reloads happen back-to-back,	3897	$Coro::current->{desc} = "perl_reload";
2542	# coro crashes during coro_state_free->destroy here.
2543
2544	$RELOAD_WATCHER ||= Event->timer (
2545	reentrant => 0,
2546	after => 0,
2547	data => WF_AUTOCANCEL,
2548	cb => sub {
2549	reload;	3898	reload_perl;
2550	undef $RELOAD_WATCHER;
2551	},
2552	);	3899	};
2553	}	3900	}
2554	};	3901	};
2555		3902
2556	unshift @INC, $LIBDIR;	3903	unshift @INC, $LIBDIR;
2557		3904
2558	my $bug_warning = 0;	3905	my $bug_warning = 0;
2559		3906
2560	$TICK_WATCHER = Event->timer (	3907	our @WAIT_FOR_TICK;
2561	reentrant => 0,	3908	our @WAIT_FOR_TICK_BEGIN;
2562	parked => 1,	3909
2563	prio => 0,	3910	sub wait_for_tick {
2564	at => $NEXT_TICK || $TICK,	3911	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2565	data => WF_AUTOCANCEL,	3912
2566	cb => sub {	3913	my $signal = new Coro::Signal;
		3914	push @WAIT_FOR_TICK, $signal;
		3915	$signal->wait;
		3916	}
		3917
		3918	sub wait_for_tick_begin {
		3919	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3920
		3921	my $signal = new Coro::Signal;
		3922	push @WAIT_FOR_TICK_BEGIN, $signal;
		3923	$signal->wait;
		3924	}
		3925
		3926	sub tick {
2567	if ($Coro::current != $Coro::main) {	3927	if ($Coro::current != $Coro::main) {
2568	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3928	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2569	unless ++$bug_warning > 10;	3929	unless ++$bug_warning > 10;
2570	return;	3930	return;
2571	}	3931	}
2572		3932
2573	$NOW = Event::time;
2574
2575	cf::server_tick; # one server iteration	3933	cf::server_tick; # one server iteration
2576	$RUNTIME += $TICK;
2577	$NEXT_TICK += $TICK;
2578		3934
		3935	#for(1..3e6){} EV::now_update; $NOW=EV::now; # generate load #d#
		3936
2579	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3937	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2580	$NEXT_RUNTIME_WRITE = $NOW + 10;	3938	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2581	Coro::async_pool {	3939	Coro::async_pool {
		3940	$Coro::current->{desc} = "runtime saver";
2582	write_runtime	3941	write_runtime_sync
2583	or warn "ERROR: unable to write runtime file: $!";	3942	or warn "ERROR: unable to write runtime file: $!";
2584	};
2585	}	3943	};
2586
2587	$WAIT_FOR_TICK->broadcast;
2588	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2589
2590	# my $AFTER = Event::time;
2591	# warn $AFTER - $NOW;#d#
2592
2593	# if we are delayed by four ticks or more, skip them all
2594	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2595
2596	$TICK_WATCHER->at ($NEXT_TICK);
2597	$TICK_WATCHER->start;
2598	},	3944	}
2599	);	3945
		3946	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3947	$sig->send;
		3948	}
		3949	while (my $sig = shift @WAIT_FOR_TICK) {
		3950	$sig->send;
		3951	}
		3952
		3953	$LOAD = ($NOW - $TICK_START) / $TICK;
		3954	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3955
		3956	if (0) {
		3957	if ($NEXT_TICK) {
		3958	my $jitter = $TICK_START - $NEXT_TICK;
		3959	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3960	warn "jitter $JITTER\n";#d#
		3961	}
		3962	}
		3963	}
2600		3964
2601	{	3965	{
2602	BDB::max_poll_time $TICK * 0.1;	3966	# configure BDB
2603	$BDB_POLL_WATCHER = Event->io (	3967
2604	reentrant => 0,
2605	fd => BDB::poll_fileno,
2606	poll => 'r',
2607	prio => 0,
2608	data => WF_AUTOCANCEL,
2609	cb => \&BDB::poll_cb,
2610	);
2611	BDB::min_parallel 8;	3968	BDB::min_parallel 16;
2612		3969	BDB::max_poll_reqs $TICK * 0.1;
2613	BDB::set_sync_prepare {	3970	$AnyEvent::BDB::WATCHER->priority (1);
2614	my $status;
2615	my $current = $Coro::current;
2616	(
2617	sub {
2618	$status = $!;
2619	$current->ready; undef $current;
2620	},
2621	sub {
2622	Coro::schedule while defined $current;
2623	$! = $status;
2624	},
2625	)
2626	};
2627		3971
2628	unless ($DB_ENV) {	3972	unless ($DB_ENV) {
2629	$DB_ENV = BDB::db_env_create;	3973	$DB_ENV = BDB::db_env_create;
		3974	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3975	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3976	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3977	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3978	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2630		3979
2631	cf::sync_job {	3980	cf::sync_job {
2632	eval {	3981	eval {
2633	BDB::db_env_open	3982	BDB::db_env_open
2634	$DB_ENV,	3983	$DB_ENV,
2635	$BDB_ENV_DIR,	3984	$BDBDIR,
2636	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3985	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2637	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3986	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2638	0666;	3987	0666;
2639		3988
2640	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3989	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2641
2642	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2643	$DB_ENV->set_lk_detect;
2644	};	3990	};
2645		3991
2646	cf::cleanup "db_env_open(db): $@" if $@;	3992	cf::cleanup "db_env_open(db): $@" if $@;
2647	};	3993	};
2648	}	3994	}
		3995
		3996	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3997	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3998	};
		3999	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4000	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4001	};
		4002	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4003	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4004	};
2649	}	4005	}
2650		4006
2651	{	4007	{
		4008	# configure IO::AIO
		4009
2652	IO::AIO::min_parallel 8;	4010	IO::AIO::min_parallel 8;
2653
2654	undef $Coro::AIO::WATCHER;
2655	IO::AIO::max_poll_time $TICK * 0.1;	4011	IO::AIO::max_poll_time $TICK * 0.1;
2656	$AIO_POLL_WATCHER = Event->io (	4012	undef $AnyEvent::AIO::WATCHER;
2657	reentrant => 0,
2658	data => WF_AUTOCANCEL,
2659	fd => IO::AIO::poll_fileno,
2660	poll => 'r',
2661	prio => 6,
2662	cb => \&IO::AIO::poll_cb,
2663	);
2664	}	4013	}
		4014
		4015	my $_log_backtrace;
		4016
		4017	sub _log_backtrace {
		4018	my ($msg, @addr) = @_;
		4019
		4020	$msg =~ s/\n//;
		4021
		4022	# limit the # of concurrent backtraces
		4023	if ($_log_backtrace < 2) {
		4024	++$_log_backtrace;
		4025	my $perl_bt = Carp::longmess $msg;
		4026	async {
		4027	$Coro::current->{desc} = "abt $msg";
		4028
		4029	my @bt = fork_call {
		4030	@addr = map { sprintf "%x", $_ } @addr;
		4031	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4032	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4033	or die "addr2line: $!";
		4034
		4035	my @funcs;
		4036	my @res = <$fh>;
		4037	chomp for @res;
		4038	while (@res) {
		4039	my ($func, $line) = splice @res, 0, 2, ();
		4040	push @funcs, "[$func] $line";
		4041	}
		4042
		4043	@funcs
		4044	};
		4045
		4046	LOG llevInfo, "[ABT] $perl_bt\n";
		4047	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4048	LOG llevInfo, "[ABT] $_\n" for @bt;
		4049	--$_log_backtrace;
		4050	};
		4051	} else {
		4052	LOG llevInfo, "[ABT] $msg\n";
		4053	LOG llevInfo, "[ABT] [suppressed]\n";
		4054	}
		4055	}
		4056
		4057	# load additional modules
		4058	require "cf/$_.pm" for @EXTRA_MODULES;
		4059	cf::_connect_to_perl_2;
2665		4060
2666	END { cf::emergency_save }	4061	END { cf::emergency_save }
2667		4062
2668	1	4063	1
2669		4064

Diff Legend

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