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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.223 by root, Sun Mar 11 02:12:44 2007 UTC vs.
Revision 1.524 by root, Sun Apr 18 07:08:07 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;
		32	use EV;
9	use Opcode;	33	use Opcode;
10	use Safe;	34	use Safe;
11	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
12		38
		39	use Guard ();
13	use Coro 3.5 ();	40	use Coro ();
		41	use Coro::State;
		42	use Coro::Handle;
		43	use Coro::EV;
14	use Coro::Event;	44	use Coro::AnyEvent;
15	use Coro::Timer;	45	use Coro::Timer;
16	use Coro::Signal;	46	use Coro::Signal;
17	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
18	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
		52	use Coro::Storable;
		53	use Coro::Util ();
19		54
		55	use JSON::XS 2.01 ();
20	use BDB ();	56	use BDB ();
21	use Data::Dumper;	57	use Data::Dumper;
22	use Digest::MD5;
23	use Fcntl;	58	use Fcntl;
24	use IO::AIO 2.32 ();
25	use YAML::Syck ();	59	use YAML::XS ();
		60	use IO::AIO ();
26	use Time::HiRes;	61	use Time::HiRes;
27	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
28		64
		65	AnyEvent::detect;
		66
		67	# configure various modules to our taste
		68	#
		69	$Storable::canonical = 1; # reduce rsync transfers
		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";
29	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
30		77
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
32		80
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		82
40	our %COMMAND = ();	83	our %COMMAND = ();
41	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
42		85
43	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
47		91
48	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
49	our @EVENT;	93	our @EVENT;
50	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
51		96
52	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
53	our $TICK_WATCHER;	98	our $DATADIR = datadir;
54	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 $OUTPUT_RATE_MIN = 4000;
		114	our $OUTPUT_RATE_MAX = 100000;
		115
		116	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
55	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	117	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
56	our $NEXT_TICK;	118	our $NEXT_TICK;
57	our $NOW;
58	our $USE_FSYNC = 1; # use fsync to write maps - default off	119	our $USE_FSYNC = 1; # use fsync to write maps - default on
59		120
		121	our $BDB_DEADLOCK_WATCHER;
		122	our $BDB_CHECKPOINT_WATCHER;
60	our $BDB_POLL_WATCHER;	123	our $BDB_TRICKLE_WATCHER;
61	our $DB_ENV;	124	our $DB_ENV;
		125
		126	our @EXTRA_MODULES = qw(pod match mapscript);
62		127
63	our %CFG;	128	our %CFG;
64		129
65	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
66	our $RUNTIME;	131	our $RUNTIME;
		132	our $NOW;
67		133
68	our %PLAYER; # all users	134	our (%PLAYER, %PLAYER_LOADING); # all users
69	our %MAP; # all maps	135	our (%MAP, %MAP_LOADING ); # all maps
70	our $LINK_MAP; # the special {link} map, which is always available	136	our $LINK_MAP; # the special {link} map, which is always available
71	our $RANDOM_MAPS = cf::localdir . "/random";
72	our $BDB_ENV_DIR = cf::localdir . "/db";
73
74	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
75	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
76		137
77	# used to convert map paths into valid unix filenames by replacing / by ∕	138	# used to convert map paths into valid unix filenames by replacing / by ∕
78	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	139	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
79		140
		141	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		142	our $LOADAVG; # same thing, but with alpha-smoothing
		143	our $JITTER; # average jitter
		144	our $TICK_START; # for load detecting purposes
		145
		146	our @POST_INIT;
		147
		148	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		149	our $REALLY_UNLOOP; # never set to true, please :)
		150
80	binmode STDOUT;	151	binmode STDOUT;
81	binmode STDERR;	152	binmode STDERR;
82		153
83	# read virtual server time, if available	154	# read virtual server time, if available
84	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	155	unless ($RUNTIME || !-e $RUNTIMEFILE) {
85	open my $fh, "<", cf::localdir . "/runtime"	156	open my $fh, "<", $RUNTIMEFILE
86	or die "unable to read runtime file: $!";	157	or die "unable to read $RUNTIMEFILE file: $!";
87	$RUNTIME = <$fh> + 0.;	158	$RUNTIME = <$fh> + 0.;
88	}	159	}
89		160
90	mkdir cf::localdir;	161	eval "sub TICK() { $TICK } 1" or die;
91	mkdir cf::localdir . "/" . cf::playerdir;	162
92	mkdir cf::localdir . "/" . cf::tmpdir;	163	mkdir $_
93	mkdir cf::localdir . "/" . cf::uniquedir;	164	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
94	mkdir $RANDOM_MAPS;
95	mkdir $BDB_ENV_DIR;
96		165
97	our $EMERGENCY_POSITION;	166	our $EMERGENCY_POSITION;
98		167
99	sub cf::map::normalise;	168	sub cf::map::normalise;
		169
		170	sub in_main() {
		171	$Coro::current == $Coro::main
		172	}
		173
		174	#############################################################################
		175
		176	%REFLECT = ();
		177	for (@REFLECT) {
		178	my $reflect = JSON::XS::decode_json $_;
		179	$REFLECT{$reflect->{class}} = $reflect;
		180	}
		181
		182	# this is decidedly evil
		183	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
100		184
101	#############################################################################	185	#############################################################################
102		186
103	=head2 GLOBAL VARIABLES	187	=head2 GLOBAL VARIABLES
104		188
…		…
111	=item $cf::RUNTIME	195	=item $cf::RUNTIME
112		196
113	The time this server has run, starts at 0 and is increased by $cf::TICK on	197	The time this server has run, starts at 0 and is increased by $cf::TICK on
114	every server tick.	198	every server tick.
115		199
116	=item $cf::LIBDIR	200	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		201	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		202	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
117		203
118	The perl library directory, where extensions and cf-specific modules can	204	Various directories - "/etc", read-only install directory, perl-library
119	be found. It will be added to C<@INC> automatically.	205	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		206	unique-items directory, player file directory, random maps directory and
		207	database environment.
120		208
121	=item $cf::NOW	209	=item $cf::NOW
122		210
123	The time of the last (current) server tick.	211	The time of the last (current) server tick.
124		212
125	=item $cf::TICK	213	=item $cf::TICK
126		214
127	The interval between server ticks, in seconds.	215	The interval between server ticks, in seconds.
128		216
		217	=item $cf::LOADAVG
		218
		219	The current CPU load on the server (alpha-smoothed), as a value between 0
		220	(none) and 1 (overloaded), indicating how much time is spent on processing
		221	objects per tick. Healthy values are < 0.5.
		222
		223	=item $cf::LOAD
		224
		225	The raw value load value from the last tick.
		226
129	=item %cf::CFG	227	=item %cf::CFG
130		228
131	Configuration for the server, loaded from C</etc/crossfire/config>, or	229	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
132	from wherever your confdir points to.	230	from wherever your confdir points to.
133		231
134	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	232	=item cf::wait_for_tick, cf::wait_for_tick_begin
135		233
136	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	234	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
137	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	235	returns directly I<after> the tick processing (and consequently, can only wake one process
138	processing has been done. Call C<< ->wait >> on them to maximise the	236	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
139	window of cpu time available, or simply to synchronise to the server tick.	237
		238	=item @cf::INVOKE_RESULTS
		239
		240	This array contains the results of the last C<invoke ()> call. When
		241	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		242	that call.
		243
		244	=item %cf::REFLECT
		245
		246	Contains, for each (C++) class name, a hash reference with information
		247	about object members (methods, scalars, arrays and flags) and other
		248	metadata, which is useful for introspection.
140		249
141	=back	250	=back
142		251
143	=cut	252	=cut
144		253
145	BEGIN {	254	$Coro::State::WARNHOOK = sub {
146	*CORE::GLOBAL::warn = sub {
147	my $msg = join "", @_;	255	my $msg = join "", @_;
148	utf8::encode $msg;
149		256
150	$msg .= "\n"	257	$msg .= "\n"
151	unless $msg =~ /\n$/;	258	unless $msg =~ /\n$/;
152		259
		260	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		261
153	LOG llevError, $msg;	262	LOG llevError, $msg;
154	};	263	};
155	}	264
		265	$Coro::State::DIEHOOK = sub {
		266	return unless $^S eq 0; # "eq", not "=="
		267
		268	warn Carp::longmess $_[0];
		269
		270	if (in_main) {#d#
		271	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		272	return;#d#
		273	}#d#
		274
		275	# kill coroutine otherwise
		276	Coro::terminate
		277	};
156		278
157	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	279	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
158	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	280	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
159	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	281	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
160	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	282	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
161	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	283	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		284	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
162	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	285	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
163		286
164	# we bless all objects into (empty) derived classes to force a method lookup	287	# we bless all objects into (empty) derived classes to force a method lookup
165	# within the Safe compartment.	288	# within the Safe compartment.
166	for my $pkg (qw(	289	for my $pkg (qw(
167	cf::global cf::attachable	290	cf::global cf::attachable
168	cf::object cf::object::player	291	cf::object cf::object::player
169	cf::client cf::player	292	cf::client cf::player
170	cf::arch cf::living	293	cf::arch cf::living
		294	cf::map cf::mapspace
171	cf::map cf::party cf::region	295	cf::party cf::region
172	)) {	296	)) {
173	no strict 'refs';
174	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	297	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
175	}	298	}
176		299
177	$Event::DIED = sub {	300	$EV::DIED = sub {
178	warn "error in event callback: @_";	301	Carp::cluck "error in event callback: @_";
179	};	302	};
		303
		304	#############################################################################
180		305
181	=head2 UTILITY FUNCTIONS	306	=head2 UTILITY FUNCTIONS
182		307
183	=over 4	308	=over 4
184		309
…		…
203	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	328	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
204	$d	329	$d
205	} || "[unable to dump $_[0]: '$@']";	330	} || "[unable to dump $_[0]: '$@']";
206	}	331	}
207		332
208	use JSON::Syck (); # TODO# replace by JSON::PC once working
209
210	=item $ref = cf::from_json $json	333	=item $ref = cf::decode_json $json
211		334
212	Converts a JSON string into the corresponding perl data structure.	335	Converts a JSON string into the corresponding perl data structure.
213		336
214	=cut
215
216	sub from_json($) {
217	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
218	JSON::Syck::Load $_[0]
219	}
220
221	=item $json = cf::to_json $ref	337	=item $json = cf::encode_json $ref
222		338
223	Converts a perl data structure into its JSON representation.	339	Converts a perl data structure into its JSON representation.
224		340
225	=cut	341	=cut
226		342
227	sub to_json($) {	343	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
228	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	344
229	JSON::Syck::Dump $_[0]	345	sub encode_json($) { $json_coder->encode ($_[0]) }
		346	sub decode_json($) { $json_coder->decode ($_[0]) }
		347
		348	=item cf::post_init { BLOCK }
		349
		350	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		351	but I<before> the server starts ticking again.
		352
		353	The cdoeblock will have a single boolean argument to indicate whether this
		354	is a reload or not.
		355
		356	=cut
		357
		358	sub post_init(&) {
		359	push @POST_INIT, shift;
230	}	360	}
231		361
232	=item cf::lock_wait $string	362	=item cf::lock_wait $string
233		363
234	Wait until the given lock is available. See cf::lock_acquire.	364	Wait until the given lock is available. See cf::lock_acquire.
235		365
236	=item my $lock = cf::lock_acquire $string	366	=item my $lock = cf::lock_acquire $string
237		367
238	Wait until the given lock is available and then acquires it and returns	368	Wait until the given lock is available and then acquires it and returns
239	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	369	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
240	for example when the coroutine gets canceled), the lock is automatically	370	for example when the coroutine gets canceled), the lock is automatically
241	returned.	371	returned.
242		372
		373	Locks are *not* recursive, locking from the same coro twice results in a
		374	deadlocked coro.
		375
243	Lock names should begin with a unique identifier (for example, cf::map::find	376	Lock names should begin with a unique identifier (for example, cf::map::find
244	uses map_find and cf::map::load uses map_load).	377	uses map_find and cf::map::load uses map_load).
245		378
246	=cut	379	=item $locked = cf::lock_active $string
247		380
248	our %LOCK;	381	Return true if the lock is currently active, i.e. somebody has locked it.
		382
		383	=cut
		384
		385	our $LOCKS = new Coro::SemaphoreSet;
249		386
250	sub lock_wait($) {	387	sub lock_wait($) {
251	my ($key) = @_;	388	$LOCKS->wait ($_[0]);
252
253	# wait for lock, if any
254	while ($LOCK{$key}) {
255	push @{ $LOCK{$key} }, $Coro::current;
256	Coro::schedule;
257	}
258	}	389	}
259		390
260	sub lock_acquire($) {	391	sub lock_acquire($) {
261	my ($key) = @_;	392	$LOCKS->guard ($_[0])
		393	}
262		394
263	# wait, to be sure we are not locked	395	sub lock_active($) {
264	lock_wait $key;	396	$LOCKS->count ($_[0]) < 1
265
266	$LOCK{$key} = [];
267
268	Coro::guard {
269	# wake up all waiters, to be on the safe side
270	$_->ready for @{ delete $LOCK{$key} };
271	}
272	}	397	}
273		398
274	sub freeze_mainloop {	399	sub freeze_mainloop {
275	return unless $TICK_WATCHER->is_active;	400	tick_inhibit_inc;
276		401
277	my $guard = Coro::guard {	402	&Guard::guard (\&tick_inhibit_dec);
278	$TICK_WATCHER->start;	403	}
		404
		405	=item cf::periodic $interval, $cb
		406
		407	Like EV::periodic, but randomly selects a starting point so that the actions
		408	get spread over time.
		409
		410	=cut
		411
		412	sub periodic($$) {
		413	my ($interval, $cb) = @_;
		414
		415	my $start = rand List::Util::min 180, $interval;
		416
		417	EV::periodic $start, $interval, 0, $cb
		418	}
		419
		420	=item cf::get_slot $time[, $priority[, $name]]
		421
		422	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		423	This call blocks and returns only when you have at least C<$time> seconds
		424	of cpu time till the next tick. The slot is only valid till the next cede.
		425
		426	The optional C<$name> can be used to identify the job to run. It might be
		427	used for statistical purposes and should identify the same time-class.
		428
		429	Useful for short background jobs.
		430
		431	=cut
		432
		433	our @SLOT_QUEUE;
		434	our $SLOT_QUEUE;
		435	our $SLOT_DECAY = 0.9;
		436
		437	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		438	$SLOT_QUEUE = Coro::async {
		439	$Coro::current->desc ("timeslot manager");
		440
		441	my $signal = new Coro::Signal;
		442	my $busy;
		443
		444	while () {
		445	next_job:
		446
		447	my $avail = cf::till_tick;
		448
		449	for (0 .. $#SLOT_QUEUE) {
		450	if ($SLOT_QUEUE[$_][0] <= $avail) {
		451	$busy = 0;
		452	my $job = splice @SLOT_QUEUE, $_, 1, ();
		453	$job->[2]->send;
		454	Coro::cede;
		455	goto next_job;
		456	} else {
		457	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		458	}
		459	}
		460
		461	if (@SLOT_QUEUE) {
		462	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		463	push @cf::WAIT_FOR_TICK, $signal;
		464	$signal->wait;
		465	} else {
		466	$busy = 0;
		467	Coro::schedule;
		468	}
279	};	469	}
280	$TICK_WATCHER->stop;	470	};
281	$guard	471
		472	sub get_slot($;$$) {
		473	return if tick_inhibit || $Coro::current == $Coro::main;
		474
		475	my ($time, $pri, $name) = @_;
		476
		477	$time = clamp $time, 0.01, $TICK * .6;
		478
		479	my $sig = new Coro::Signal;
		480
		481	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		482	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		483	$SLOT_QUEUE->ready;
		484	$sig->wait;
282	}	485	}
283		486
284	=item cf::async { BLOCK }	487	=item cf::async { BLOCK }
285		488
286	Currently the same as Coro::async_pool, meaning you cannot use	489	Currently the same as Coro::async_pool, meaning you cannot use
…		…
291		494
292	BEGIN { *async = \&Coro::async_pool }	495	BEGIN { *async = \&Coro::async_pool }
293		496
294	=item cf::sync_job { BLOCK }	497	=item cf::sync_job { BLOCK }
295		498
296	The design of crossfire+ requires that the main coro ($Coro::main) is	499	The design of Deliantra requires that the main coroutine ($Coro::main)
297	always able to handle events or runnable, as crossfire+ is only partly	500	is always able to handle events or runnable, as Deliantra is only
298	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	501	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		502	acceptable.
299		503
300	If it must be done, put the blocking parts into C<sync_job>. This will run	504	If it must be done, put the blocking parts into C<sync_job>. This will run
301	the given BLOCK in another coroutine while waiting for the result. The	505	the given BLOCK in another coroutine while waiting for the result. The
302	server will be frozen during this time, so the block should either finish	506	server will be frozen during this time, so the block should either finish
303	fast or be very important.	507	fast or be very important.
…		…
306		510
307	sub sync_job(&) {	511	sub sync_job(&) {
308	my ($job) = @_;	512	my ($job) = @_;
309		513
310	if ($Coro::current == $Coro::main) {	514	if ($Coro::current == $Coro::main) {
		515	my $time = AE::time;
		516
311	# this is the main coro, too bad, we have to block	517	# this is the main coro, too bad, we have to block
312	# till the operation succeeds, freezing the server :/	518	# till the operation succeeds, freezing the server :/
313		519
314	# TODO: use suspend/resume instead	520	LOG llevError, Carp::longmess "sync job";#d#
315	# (but this is cancel-safe)	521
316	my $freeze_guard = freeze_mainloop;	522	my $freeze_guard = freeze_mainloop;
317		523
318	my $busy = 1;	524	my $busy = 1;
319	my @res;	525	my @res;
320		526
321	(async {	527	(async {
		528	$Coro::current->desc ("sync job coro");
322	@res = eval { $job->() };	529	@res = eval { $job->() };
323	warn $@ if $@;	530	warn $@ if $@;
324	undef $busy;	531	undef $busy;
325	})->prio (Coro::PRIO_MAX);	532	})->prio (Coro::PRIO_MAX);
326		533
327	while ($busy) {	534	while ($busy) {
328	Coro::cede or Event::one_event;	535	if (Coro::nready) {
		536	Coro::cede_notself;
		537	} else {
		538	EV::loop EV::LOOP_ONESHOT;
329	}	539	}
		540	}
		541
		542	my $time = AE::time - $time;
		543
		544	$TICK_START += $time; # do not account sync jobs to server load
330		545
331	wantarray ? @res : $res[0]	546	wantarray ? @res : $res[0]
332	} else {	547	} else {
333	# we are in another coroutine, how wonderful, everything just works	548	# we are in another coroutine, how wonderful, everything just works
334		549
…		…
354	$EXT_CORO{$coro+0} = $coro;	569	$EXT_CORO{$coro+0} = $coro;
355		570
356	$coro	571	$coro
357	}	572	}
358		573
359	sub write_runtime {	574	=item fork_call { }, $args
360	my $guard = cf::lock_acquire "write_runtime";
361		575
362	my $runtime = cf::localdir . "/runtime";	576	Executes the given code block with the given arguments in a seperate
		577	process, returning the results. Everything must be serialisable with
		578	Coro::Storable. May, of course, block. Note that the executed sub may
		579	never block itself or use any form of event handling.
363		580
364	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	581	=cut
365	or return;
366		582
367	my $value = $cf::RUNTIME + 90 + 10;	583	sub fork_call(&@) {
368	# 10 is the runtime save interval, for a monotonic clock	584	my ($cb, @args) = @_;
369	# 60 allows for the watchdog to kill the server.
370		585
371	(aio_write $fh, 0, (length $value), $value, 0) <= 0	586	# we seemingly have to make a local copy of the whole thing,
372	and return;	587	# otherwise perl prematurely frees the stuff :/
		588	# TODO: investigate and fix (likely this will be rather laborious)
373		589
374	# always fsync - this file is important	590	my @res = Coro::Util::fork_eval {
375	aio_fsync $fh	591	reset_signals;
376	and return;	592	&$cb
		593	}, @args;
377		594
378	close $fh	595	wantarray ? @res : $res[-1]
379	or return;	596	}
380		597
381	aio_rename "$runtime~", $runtime	598	sub objinfo {
382	and return;
383
384	1	599	(
		600	"counter value" => cf::object::object_count,
		601	"objects created" => cf::object::create_count,
		602	"objects destroyed" => cf::object::destroy_count,
		603	"freelist size" => cf::object::free_count,
		604	"allocated objects" => cf::object::objects_size,
		605	"active objects" => cf::object::actives_size,
		606	)
		607	}
		608
		609	=item $coin = coin_from_name $name
		610
		611	=cut
		612
		613	our %coin_alias = (
		614	"silver" => "silvercoin",
		615	"silvercoin" => "silvercoin",
		616	"silvercoins" => "silvercoin",
		617	"gold" => "goldcoin",
		618	"goldcoin" => "goldcoin",
		619	"goldcoins" => "goldcoin",
		620	"platinum" => "platinacoin",
		621	"platinumcoin" => "platinacoin",
		622	"platinumcoins" => "platinacoin",
		623	"platina" => "platinacoin",
		624	"platinacoin" => "platinacoin",
		625	"platinacoins" => "platinacoin",
		626	"royalty" => "royalty",
		627	"royalties" => "royalty",
		628	);
		629
		630	sub coin_from_name($) {
		631	$coin_alias{$_[0]}
		632	? cf::arch::find $coin_alias{$_[0]}
		633	: undef
		634	}
		635
		636	=item $value = cf::db_get $family => $key
		637
		638	Returns a single value from the environment database.
		639
		640	=item cf::db_put $family => $key => $value
		641
		642	Stores the given C<$value> in the family. It can currently store binary
		643	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		644
		645	=item $db = cf::db_table "name"
		646
		647	Create and/or open a new database table. The string must not be "db" and must be unique
		648	within each server.
		649
		650	=cut
		651
		652	sub db_table($) {
		653	my ($name) = @_;
		654	my $db = BDB::db_create $DB_ENV;
		655
		656	eval {
		657	$db->set_flags (BDB::CHKSUM);
		658
		659	utf8::encode $name;
		660	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		661	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		662	cf::cleanup "db_open(db): $!" if $!;
		663	};
		664	cf::cleanup "db_open(db): $@" if $@;
		665
		666	$db
		667	}
		668
		669	our $DB;
		670
		671	sub db_init {
		672	cf::sync_job {
		673	$DB ||= db_table "db";
		674	};
		675	}
		676
		677	sub db_get($$) {
		678	my $key = "$_[0]/$_[1]";
		679
		680	cf::sync_job {
		681	BDB::db_get $DB, undef, $key, my $data;
		682
		683	$! ? ()
		684	: $data
		685	}
		686	}
		687
		688	sub db_put($$$) {
		689	BDB::dbreq_pri 4;
		690	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		691	}
		692
		693	=item cf::cache $id => [$paths...], $processversion => $process
		694
		695	Generic caching function that returns the value of the resource $id,
		696	caching and regenerating as required.
		697
		698	This function can block.
		699
		700	=cut
		701
		702	sub cache {
		703	my ($id, $src, $processversion, $process) = @_;
		704
		705	my $meta =
		706	join "\x00",
		707	$processversion,
		708	map {
		709	aio_stat $_
		710	and Carp::croak "$_: $!";
		711
		712	($_, (stat _)[7,9])
		713	} @$src;
		714
		715	my $dbmeta = db_get cache => "$id/meta";
		716	if ($dbmeta ne $meta) {
		717	# changed, we may need to process
		718
		719	my @data;
		720	my $md5;
		721
		722	for (0 .. $#$src) {
		723	0 <= aio_load $src->[$_], $data[$_]
		724	or Carp::croak "$src->[$_]: $!";
		725	}
		726
		727	# if processing is expensive, check
		728	# checksum first
		729	if (1) {
		730	$md5 =
		731	join "\x00",
		732	$processversion,
		733	map {
		734	cf::cede_to_tick;
		735	($src->[$_], Digest::MD5::md5_hex $data[$_])
		736	} 0.. $#$src;
		737
		738
		739	my $dbmd5 = db_get cache => "$id/md5";
		740	if ($dbmd5 eq $md5) {
		741	db_put cache => "$id/meta", $meta;
		742
		743	return db_get cache => "$id/data";
		744	}
		745	}
		746
		747	my $t1 = Time::HiRes::time;
		748	my $data = $process->(\@data);
		749	my $t2 = Time::HiRes::time;
		750
		751	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		752
		753	db_put cache => "$id/data", $data;
		754	db_put cache => "$id/md5" , $md5;
		755	db_put cache => "$id/meta", $meta;
		756
		757	return $data;
		758	}
		759
		760	db_get cache => "$id/data"
		761	}
		762
		763	=item cf::datalog type => key => value, ...
		764
		765	Log a datalog packet of the given type with the given key-value pairs.
		766
		767	=cut
		768
		769	sub datalog($@) {
		770	my ($type, %kv) = @_;
		771	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
385	}	772	}
386		773
387	=back	774	=back
388		775
389	=cut	776	=cut
390		777
391	#############################################################################	778	#############################################################################
392		779
393	=head2 ATTACHABLE OBJECTS	780	=head2 ATTACHABLE OBJECTS
394		781
395	Many objects in crossfire are so-called attachable objects. That means you can	782	Many objects in deliantra are so-called attachable objects. That means you can
396	attach callbacks/event handlers (a collection of which is called an "attachment")	783	attach callbacks/event handlers (a collection of which is called an "attachment")
397	to it. All such attachable objects support the following methods.	784	to it. All such attachable objects support the following methods.
398		785
399	In the following description, CLASS can be any of C<global>, C<object>	786	In the following description, CLASS can be any of C<global>, C<object>
400	C<player>, C<client> or C<map> (i.e. the attachable objects in	787	C<player>, C<client> or C<map> (i.e. the attachable objects in
401	crossfire+).	788	Deliantra).
402		789
403	=over 4	790	=over 4
404		791
405	=item $attachable->attach ($attachment, key => $value...)	792	=item $attachable->attach ($attachment, key => $value...)
406		793
…		…
450	=item cf::CLASS::attachment $name, ...	837	=item cf::CLASS::attachment $name, ...
451		838
452	Register an attachment by C<$name> through which attachable objects of the	839	Register an attachment by C<$name> through which attachable objects of the
453	given CLASS can refer to this attachment.	840	given CLASS can refer to this attachment.
454		841
455	Some classes such as crossfire maps and objects can specify attachments	842	Some classes such as deliantra maps and objects can specify attachments
456	that are attached at load/instantiate time, thus the need for a name.	843	that are attached at load/instantiate time, thus the need for a name.
457		844
458	These calls expect any number of the following handler/hook descriptions:	845	These calls expect any number of the following handler/hook descriptions:
459		846
460	=over 4	847	=over 4
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	956	$registry = $CB_TYPE[$object_type] ||= [];
570		957
571	} elsif ($type eq "subtype") {	958	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	959	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	960	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	961	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		962
576	} elsif ($type eq "package") {	963	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	964	my $pkg = shift @arg;
578		965
579	while (my ($name, $id) = each %cb_id) {	966	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	995	_attach $registry, $klass, @attach;
609	}	996	}
610		997
611	$obj->{$name} = \%arg;	998	$obj->{$name} = \%arg;
612	} else {	999	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	1000	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	1001	}
615		1002
616	$obj->{_attachment}{$name} = undef;	1003	$obj->{_attachment}{$name} = undef;
617	}	1004	}
618		1005
…		…
620	if (ref $_[0]) {	1007	if (ref $_[0]) {
621	_object_attach @_;	1008	_object_attach @_;
622	} else {	1009	} else {
623	_attach shift->_attach_registry, @_;	1010	_attach shift->_attach_registry, @_;
624	}	1011	}
		1012	_recalc_want;
625	};	1013	};
626		1014
627	# all those should be optimised	1015	# all those should be optimised
628	sub cf::attachable::detach {	1016	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	1017	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	1020	delete $obj->{_attachment}{$name};
633	reattach ($obj);	1021	reattach ($obj);
634	} else {	1022	} else {
635	Carp::croak "cannot, currently, detach class attachments";	1023	Carp::croak "cannot, currently, detach class attachments";
636	}	1024	}
		1025	_recalc_want;
637	};	1026	};
638		1027
639	sub cf::attachable::attached {	1028	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	1029	my ($obj, $name) = @_;
641		1030
…		…
656	";	1045	";
657	die if $@;	1046	die if $@;
658	}	1047	}
659		1048
660	our $override;	1049	our $override;
661	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1050	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
662		1051
663	sub override {	1052	sub override {
664	$override = 1;	1053	$override = 1;
665	@invoke_results = ();	1054	@INVOKE_RESULTS = (@_);
666	}	1055	}
667		1056
668	sub do_invoke {	1057	sub do_invoke {
669	my $event = shift;	1058	my $event = shift;
670	my $callbacks = shift;	1059	my $callbacks = shift;
671		1060
672	@invoke_results = ();	1061	@INVOKE_RESULTS = ();
673		1062
674	local $override;	1063	local $override;
675		1064
676	for (@$callbacks) {	1065	for (@$callbacks) {
677	eval { &{$_->[1]} };	1066	eval { &{$_->[1]} };
…		…
686	}	1075	}
687		1076
688	0	1077	0
689	}	1078	}
690		1079
691	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1080	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
692		1081
693	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1082	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
694		1083
695	Generate an object-specific event with the given arguments.	1084	Generate an object-specific event with the given arguments.
696		1085
697	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1086	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
698	removed in future versions), and there is no public API to access override	1087	removed in future versions), and there is no public API to access override
699	results (if you must, access C<@cf::invoke_results> directly).	1088	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		1089
701	=back	1090	=back
702		1091
703	=cut	1092	=cut
704		1093
705	#############################################################################	1094	#############################################################################
706	# object support	1095	# object support
		1096
		1097	sub _object_equal($$);
		1098	sub _object_equal($$) {
		1099	my ($a, $b) = @_;
		1100
		1101	return 0 unless (ref $a) eq (ref $b);
		1102
		1103	if ("HASH" eq ref $a) {
		1104	my @ka = keys %$a;
		1105	my @kb = keys %$b;
		1106
		1107	return 0 if @ka != @kb;
		1108
		1109	for (0 .. $#ka) {
		1110	return 0 unless $ka[$_] eq $kb[$_];
		1111	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1112	}
		1113
		1114	} elsif ("ARRAY" eq ref $a) {
		1115
		1116	return 0 if @$a != @$b;
		1117
		1118	for (0 .. $#$a) {
		1119	return 0 unless _object_equal $a->[$_], $b->[$_];
		1120	}
		1121
		1122	} elsif ($a ne $b) {
		1123	return 0;
		1124	}
		1125
		1126	1
		1127	}
		1128
		1129	our $SLOW_MERGES;#d#
		1130	sub _can_merge {
		1131	my ($ob1, $ob2) = @_;
		1132
		1133	++$SLOW_MERGES;#d#
		1134
		1135	# we do the slow way here
		1136	return _object_equal $ob1, $ob2
		1137	}
707		1138
708	sub reattach {	1139	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1140	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1141	my ($obj) = @_;
711		1142
		1143	# no longer needed after getting rid of delete_package?
712	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1144	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
713		1145
714	my $registry = $obj->registry;	1146	my $registry = $obj->registry;
715		1147
716	@$registry = ();	1148	@$registry = ();
717		1149
…		…
732	cf::attachable->attach (	1164	cf::attachable->attach (
733	prio => -1000000,	1165	prio => -1000000,
734	on_instantiate => sub {	1166	on_instantiate => sub {
735	my ($obj, $data) = @_;	1167	my ($obj, $data) = @_;
736		1168
737	$data = from_json $data;	1169	$data = decode_json $data;
738		1170
739	for (@$data) {	1171	for (@$data) {
740	my ($name, $args) = @$_;	1172	my ($name, $args) = @$_;
741		1173
742	$obj->attach ($name, %{$args || {} });	1174	$obj->attach ($name, %{$args || {} });
…		…
758	sub object_freezer_save {	1190	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1191	my ($filename, $rdata, $objs) = @_;
760		1192
761	sync_job {	1193	sync_job {
762	if (length $$rdata) {	1194	if (length $$rdata) {
		1195	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1196	warn sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1197	$decname, length $$rdata, scalar @$objs;
765		1198
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1199	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1200	aio_chmod $fh, SAVE_MODE;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1201	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	aio_fsync $fh if $cf::USE_FSYNC;	1202	if ($cf::USE_FSYNC) {
		1203	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;
		1204	aio_fsync $fh;
		1205	}
770	close $fh;	1206	aio_close $fh;
771		1207
772	if (@$objs) {	1208	if (@$objs) {
773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1209	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
774	chmod SAVE_MODE, $fh;	1210	aio_chmod $fh, SAVE_MODE;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1211	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1212	aio_write $fh, 0, (length $data), $data, 0;
777	aio_fsync $fh if $cf::USE_FSYNC;	1213	if ($cf::USE_FSYNC) {
		1214	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;
		1215	aio_fsync $fh;
		1216	}
778	close $fh;	1217	aio_close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1218	aio_rename "$filename.pst~", "$filename.pst";
780	}	1219	}
781	} else {	1220	} else {
782	aio_unlink "$filename.pst";	1221	aio_unlink "$filename.pst";
783	}	1222	}
784		1223
785	aio_rename "$filename~", $filename;	1224	aio_rename "$filename~", $filename;
		1225
		1226	$filename =~ s%/[^/]+$%%;
		1227	aio_pathsync $filename if $cf::USE_FSYNC;
786	} else {	1228	} else {
787	warn "FATAL: $filename~: $!\n";	1229	warn "unable to save objects: $filename~: $!\n";
788	}	1230	}
789	} else {	1231	} else {
790	aio_unlink $filename;	1232	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1233	aio_unlink "$filename.pst";
792	}	1234	}
793	}	1235	};
794	}	1236	}
795		1237
796	sub object_freezer_as_string {	1238	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1239	my ($rdata, $objs) = @_;
798		1240
…		…
810	or return;	1252	or return;
811		1253
812	unless (aio_stat "$filename.pst") {	1254	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1255	(aio_load "$filename.pst", $av) >= 0
814	or return;	1256	or return;
		1257
815	$av = eval { (Storable::thaw $av)->{objs} };	1258	my $st = eval { Coro::Storable::thaw $av };
		1259	$av = $st->{objs};
816	}	1260	}
817		1261
		1262	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1263	warn sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1264	$decname, length $data, scalar @{$av || []};
		1265
820	return ($data, $av);	1266	($data, $av)
821	}	1267	}
		1268
		1269	=head2 COMMAND CALLBACKS
		1270
		1271	=over 4
		1272
		1273	=cut
822		1274
823	#############################################################################	1275	#############################################################################
824	# command handling &c	1276	# command handling &c
825		1277
826	=item cf::register_command $name => \&callback($ob,$args);	1278	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1291	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1292	}
841		1293
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1294	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1295
844	Register a callbackf ro execution when the client sends an extcmd packet.	1296	Register a callback for execution when the client sends an (synchronous)
		1297	extcmd packet. Ext commands will be processed in the order they are
		1298	received by the server, like other user commands. The first argument is
		1299	the logged-in player. Ext commands can only be processed after a player
		1300	has logged in successfully.
845		1301
846	If the callback returns something, it is sent back as if reply was being	1302	If the callback returns something, it is sent back as if reply was being
847	called.	1303	called.
848		1304
		1305	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1306
		1307	Register a callback for execution when the client sends an (asynchronous)
		1308	exticmd packet. Exti commands are processed by the server as soon as they
		1309	are received, i.e. out of order w.r.t. other commands. The first argument
		1310	is a client socket. Exti commands can be received anytime, even before
		1311	log-in.
		1312
		1313	If the callback returns something, it is sent back as if reply was being
		1314	called.
		1315
849	=cut	1316	=cut
850		1317
851	sub register_extcmd {	1318	sub register_extcmd {
852	my ($name, $cb) = @_;	1319	my ($name, $cb) = @_;
853		1320
854	$EXTCMD{$name} = $cb;	1321	$EXTCMD{$name} = $cb;
855	}	1322	}
856		1323
		1324	sub register_exticmd {
		1325	my ($name, $cb) = @_;
		1326
		1327	$EXTICMD{$name} = $cb;
		1328	}
		1329
		1330	use File::Glob ();
		1331
857	cf::player->attach (	1332	cf::player->attach (
858	on_command => sub {	1333	on_unknown_command => sub {
859	my ($pl, $name, $params) = @_;	1334	my ($pl, $name, $params) = @_;
860		1335
861	my $cb = $COMMAND{$name}	1336	my $cb = $COMMAND{$name}
862	or return;	1337	or return;
863		1338
…		…
868	cf::override;	1343	cf::override;
869	},	1344	},
870	on_extcmd => sub {	1345	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1346	my ($pl, $buf) = @_;
872		1347
873	my $msg = eval { from_json $buf };	1348	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1349
875	if (ref $msg) {	1350	if (ref $msg) {
		1351	my ($type, $reply, @payload) =
		1352	"ARRAY" eq ref $msg
		1353	? @$msg
		1354	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1355
		1356	my @reply;
		1357
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1358	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1359	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1360	}
		1361
		1362	$pl->ext_reply ($reply, @reply)
		1363	if $reply;
		1364
881	} else {	1365	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1366	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1367	}
884		1368
885	cf::override;	1369	cf::override;
886	},	1370	},
887	);	1371	);
888		1372
		1373	# "readahead" all extensions
889	sub load_extension {	1374	sub cache_extensions {
890	my ($path) = @_;	1375	my $grp = IO::AIO::aio_group;
891		1376
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1377	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
893	my $base = $1;	1378	for (grep /\.ext$/, @{$_[0]}) {
894	my $pkg = $1;	1379	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}	1380	}
917	die $@;
918	}	1381	};
919		1382
920	push @EXTS, $pkg;	1383	$grp
921	}	1384	}
922		1385
923	sub load_extensions {	1386	sub load_extensions {
		1387	cf::sync_job {
		1388	my %todo;
		1389
924	for my $ext (<$LIBDIR/*.ext>) {	1390	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1391	next unless -r $path;
926	eval {	1392
927	load_extension $ext;	1393	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1394	my $base = $1;
		1395	my $pkg = $1;
		1396	$pkg =~ s/[^[:word:]]/_/g;
		1397	$pkg = "ext::$pkg";
		1398
		1399	open my $fh, "<:utf8", $path
		1400	or die "$path: $!";
		1401
		1402	my $source = do { local $/; <$fh> };
		1403
		1404	my %ext = (
		1405	path => $path,
		1406	base => $base,
		1407	pkg => $pkg,
		1408	);
		1409
		1410	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1411	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1412
		1413	$ext{source} =
		1414	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1415	. "#line 1 \"$path\"\n{\n"
		1416	. $source
		1417	. "\n};\n1";
		1418
		1419	$todo{$base} = \%ext;
		1420	}
		1421
		1422	my $pass = 0;
		1423	my %done;
		1424	while (%todo) {
		1425	my $progress;
		1426
		1427	++$pass;
		1428
		1429	ext:
		1430	while (my ($k, $v) = each %todo) {
		1431	for (split /,\s*/, $v->{meta}{depends}) {
		1432	next ext
		1433	unless exists $done{$_};
		1434	}
		1435
		1436	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1437
		1438	my $active = eval $v->{source};
		1439
		1440	if (length $@) {
		1441	warn "$v->{path}: $@\n";
		1442
		1443	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1444	if exists $v->{meta}{mandatory};
		1445
		1446	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1447	delete $todo{$k};
		1448	} else {
		1449	$done{$k} = delete $todo{$k};
		1450	push @EXTS, $v->{pkg};
		1451	$progress = 1;
		1452
		1453	warn "$v->{base}: extension inactive.\n"
		1454	unless $active;
		1455	}
928	1	1456	}
929	} or warn "$ext not loaded: $@";	1457
		1458	unless ($progress) {
		1459	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1460
		1461	while (my ($k, $v) = each %todo) {
		1462	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1463	if exists $v->{meta}{mandatory};
		1464	}
		1465	}
		1466	}
930	}	1467	};
931	}	1468	}
932		1469
933	#############################################################################	1470	#############################################################################
934		1471
		1472	=back
		1473
935	=head2 CORE EXTENSIONS	1474	=head2 CORE EXTENSIONS
936		1475
937	Functions and methods that extend core crossfire objects.	1476	Functions and methods that extend core deliantra objects.
938		1477
939	=cut	1478	=cut
940		1479
941	package cf::player;	1480	package cf::player;
942		1481
…		…
944		1483
945	=head3 cf::player	1484	=head3 cf::player
946		1485
947	=over 4	1486	=over 4
948		1487
		1488	=item cf::player::num_playing
		1489
		1490	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1491
		1492	=cut
		1493
		1494	sub num_playing {
		1495	scalar grep
		1496	$_->ob->map
		1497	&& !$_->hidden
		1498	&& !$_->ob->flag (cf::FLAG_WIZ),
		1499	cf::player::list
		1500	}
		1501
949	=item cf::player::find $login	1502	=item cf::player::find $login
950		1503
951	Returns the given player object, loading it if necessary (might block).	1504	Returns the given player object, loading it if necessary (might block).
952		1505
953	=cut	1506	=cut
954		1507
955	sub playerdir($) {	1508	sub playerdir($) {
956	cf::localdir	1509	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1510	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1511	}
962		1512
963	sub path($) {	1513	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1514	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
965		1515
966	(playerdir $login) . "/$login.pl"	1516	(playerdir $login) . "/playerdata"
967	}	1517	}
968		1518
969	sub find_active($) {	1519	sub find_active($) {
970	$cf::PLAYER{$_[0]}	1520	$cf::PLAYER{$_[0]}
971	and $cf::PLAYER{$_[0]}->active	1521	and $cf::PLAYER{$_[0]}->active
…		…
974		1524
975	sub exists($) {	1525	sub exists($) {
976	my ($login) = @_;	1526	my ($login) = @_;
977		1527
978	$cf::PLAYER{$login}	1528	$cf::PLAYER{$login}
979	or cf::sync_job { !aio_stat path $login }	1529	or !aio_stat path $login
980	}	1530	}
981		1531
982	sub find($) {	1532	sub find($) {
983	return $cf::PLAYER{$_[0]} || do {	1533	return $cf::PLAYER{$_[0]} || do {
984	my $login = $_[0];	1534	my $login = $_[0];
985		1535
986	my $guard = cf::lock_acquire "user_find:$login";	1536	my $guard = cf::lock_acquire "user_find:$login";
987		1537
988	$cf::PLAYER{$_[0]} || do {	1538	$cf::PLAYER{$_[0]} || do {
989	my $pl = load_pl path $login	1539	# rename old playerfiles to new ones
		1540	#TODO: remove when no longer required
		1541	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1542	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1543	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1544	aio_unlink +(playerdir $login) . "/$login.pl";
		1545
		1546	my $f = new_from_file cf::object::thawer path $login
990	or return;	1547	or return;
		1548
		1549	my $pl = cf::player::load_pl $f
		1550	or return;
		1551
		1552	local $cf::PLAYER_LOADING{$login} = $pl;
		1553	$f->resolve_delayed_derefs;
991	$cf::PLAYER{$login} = $pl	1554	$cf::PLAYER{$login} = $pl
992	}	1555	}
993	}	1556	}
994	}	1557	}
		1558
		1559	cf::player->attach (
		1560	on_load => sub {
		1561	my ($pl, $path) = @_;
		1562
		1563	# restore slots saved in save, below
		1564	my $slots = delete $pl->{_slots};
		1565
		1566	$pl->ob->current_weapon ($slots->[0]);
		1567	$pl->combat_ob ($slots->[1]);
		1568	$pl->ranged_ob ($slots->[2]);
		1569	},
		1570	);
995		1571
996	sub save($) {	1572	sub save($) {
997	my ($pl) = @_;	1573	my ($pl) = @_;
998		1574
999	return if $pl->{deny_save};	1575	return if $pl->{deny_save};
…		…
1004	return if $pl->{deny_save};	1580	return if $pl->{deny_save};
1005		1581
1006	aio_mkdir playerdir $pl, 0770;	1582	aio_mkdir playerdir $pl, 0770;
1007	$pl->{last_save} = $cf::RUNTIME;	1583	$pl->{last_save} = $cf::RUNTIME;
1008		1584
		1585	cf::get_slot 0.01;
		1586
		1587	# save slots, to be restored later
		1588	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1589
1009	$pl->save_pl ($path);	1590	$pl->save_pl ($path);
1010	Coro::cede;	1591	cf::cede_to_tick;
1011	}	1592	}
1012		1593
1013	sub new($) {	1594	sub new($) {
1014	my ($login) = @_;	1595	my ($login) = @_;
1015		1596
…		…
1021	$cf::PLAYER{$login} = $self;	1602	$cf::PLAYER{$login} = $self;
1022		1603
1023	$self	1604	$self
1024	}	1605	}
1025		1606
		1607	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1608
		1609	=cut
		1610
		1611	sub send_msg {
		1612	my $ns = shift->ns
		1613	or return;
		1614	$ns->send_msg (@_);
		1615	}
		1616
1026	=item $pl->quit_character	1617	=item $pl->quit_character
1027		1618
1028	Nukes the player without looking back. If logged in, the connection will	1619	Nukes the player without looking back. If logged in, the connection will
1029	be destroyed. May block for a long time.	1620	be destroyed. May block for a long time.
1030		1621
…		…
1034	my ($pl) = @_;	1625	my ($pl) = @_;
1035		1626
1036	my $name = $pl->ob->name;	1627	my $name = $pl->ob->name;
1037		1628
1038	$pl->{deny_save} = 1;	1629	$pl->{deny_save} = 1;
1039	$pl->password ("*"); # this should lock out the player until we nuked the dir	1630	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1040		1631
1041	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1632	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1042	$pl->deactivate;	1633	$pl->deactivate;
		1634	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1635	$pl->ob->check_score;
1043	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1636	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1044	$pl->ns->destroy if $pl->ns;	1637	$pl->ns->destroy if $pl->ns;
1045		1638
1046	my $path = playerdir $pl;	1639	my $path = playerdir $pl;
1047	my $temp = "$path~$cf::RUNTIME~deleting~";	1640	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1077	while and may block, so not sync_job-capable, ever.	1670	while and may block, so not sync_job-capable, ever.
1078		1671
1079	=cut	1672	=cut
1080		1673
1081	sub list_logins {	1674	sub list_logins {
1082	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1675	my $dirs = aio_readdir $PLAYERDIR
1083	or return [];	1676	or return [];
1084		1677
1085	my @logins;	1678	my @logins;
1086		1679
1087	for my $login (@$dirs) {	1680	for my $login (@$dirs) {
		1681	my $path = path $login;
		1682
		1683	# a .pst is a dead give-away for a valid player
		1684	# if no pst file found, open and chekc for blocked users
		1685	if (aio_stat "$path.pst") {
1088	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1686	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1089	aio_read $fh, 0, 512, my $buf, 0 or next;	1687	aio_read $fh, 0, 512, my $buf, 0 or next;
1090	$buf !~ /^password -------------$/m or next; # official not-valid tag	1688	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1689	}
1091		1690
1092	utf8::decode $login;	1691	utf8::decode $login;
1093	push @logins, $login;	1692	push @logins, $login;
1094	}	1693	}
1095		1694
1096	\@logins	1695	\@logins
1097	}	1696	}
1098		1697
1099	=item $player->maps	1698	=item $player->maps
		1699
		1700	=item cf::player::maps $login
1100		1701
1101	Returns an arrayref of map paths that are private for this	1702	Returns an arrayref of map paths that are private for this
1102	player. May block.	1703	player. May block.
1103		1704
1104	=cut	1705	=cut
…		…
1122	}	1723	}
1123		1724
1124	\@paths	1725	\@paths
1125	}	1726	}
1126		1727
		1728	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1729
		1730	Expand deliantra pod fragments into protocol xml.
		1731
1127	=item $player->ext_reply ($msgid, $msgtype, %msg)	1732	=item $player->ext_reply ($msgid, @msg)
1128		1733
1129	Sends an ext reply to the player.	1734	Sends an ext reply to the player.
1130		1735
1131	=cut	1736	=cut
1132		1737
1133	sub ext_reply($$$%) {	1738	sub ext_reply($$@) {
1134	my ($self, $id, %msg) = @_;	1739	my ($self, $id, @msg) = @_;
1135		1740
1136	$msg{msgid} = $id;	1741	$self->ns->ext_reply ($id, @msg)
1137
1138	$self->send ("ext " . cf::to_json \%msg);
1139	}	1742	}
1140		1743
1141	package cf;	1744	=item $player->ext_msg ($type, @msg)
		1745
		1746	Sends an ext event to the client.
		1747
		1748	=cut
		1749
		1750	sub ext_msg($$@) {
		1751	my ($self, $type, @msg) = @_;
		1752
		1753	$self->ns->ext_msg ($type, @msg);
		1754	}
		1755
		1756	=head3 cf::region
		1757
		1758	=over 4
		1759
		1760	=cut
		1761
		1762	package cf::region;
		1763
		1764	=item cf::region::find_by_path $path
		1765
		1766	Tries to decuce the likely region for a map knowing only its path.
		1767
		1768	=cut
		1769
		1770	sub find_by_path($) {
		1771	my ($path) = @_;
		1772
		1773	$path =~ s/^~[^\/]*//; # skip ~login
		1774
		1775	my ($match, $specificity);
		1776
		1777	for my $region (list) {
		1778	if ($region->{match} && $path =~ $region->{match}) {
		1779	($match, $specificity) = ($region, $region->specificity)
		1780	if $region->specificity > $specificity;
		1781	}
		1782	}
		1783
		1784	$match
		1785	}
1142		1786
1143	=back	1787	=back
1144
1145		1788
1146	=head3 cf::map	1789	=head3 cf::map
1147		1790
1148	=over 4	1791	=over 4
1149		1792
…		…
1161	our $MAX_RESET = 3600;	1804	our $MAX_RESET = 3600;
1162	our $DEFAULT_RESET = 3000;	1805	our $DEFAULT_RESET = 3000;
1163		1806
1164	sub generate_random_map {	1807	sub generate_random_map {
1165	my ($self, $rmp) = @_;	1808	my ($self, $rmp) = @_;
		1809
		1810	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1811
1166	# mit "rum" bekleckern, nicht	1812	# mit "rum" bekleckern, nicht
1167	$self->_create_random_map (	1813	$self->_create_random_map (
1168	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1814	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1169	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1815	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1170	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1816	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1171	$rmp->{exit_on_final_map},	1817	$rmp->{exit_on_final_map},
1172	$rmp->{xsize}, $rmp->{ysize},	1818	$rmp->{xsize}, $rmp->{ysize},
1173	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1819	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1174	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1820	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1196		1842
1197	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1843	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1198	}	1844	}
1199		1845
1200	# also paths starting with '/'	1846	# also paths starting with '/'
1201	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1847	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1202		1848
1203	sub thawer_merge {	1849	sub thawer_merge {
1204	my ($self, $merge) = @_;	1850	my ($self, $merge) = @_;
1205		1851
1206	# we have to keep some variables in memory intact	1852	# we have to keep some variables in memory intact
1207	local $self->{path};	1853	local $self->{path};
1208	local $self->{load_path};	1854	local $self->{load_path};
1209	local $self->{deny_save};
1210	local $self->{deny_reset};
1211		1855
1212	$self->SUPER::thawer_merge ($merge);	1856	$self->SUPER::thawer_merge ($merge);
1213	}	1857	}
1214		1858
1215	sub normalise {	1859	sub normalise {
…		…
1262	$self->init; # pass $1 etc.	1906	$self->init; # pass $1 etc.
1263	return $self;	1907	return $self;
1264	}	1908	}
1265	}	1909	}
1266		1910
1267	Carp::carp "unable to resolve path '$path' (base '$base').";	1911	Carp::cluck "unable to resolve path '$path' (base '$base').";
1268	()	1912	()
1269	}	1913	}
1270		1914
1271	sub init {	1915	sub init {
1272	my ($self) = @_;	1916	my ($self) = @_;
…		…
1287		1931
1288	# the original (read-only) location	1932	# the original (read-only) location
1289	sub load_path {	1933	sub load_path {
1290	my ($self) = @_;	1934	my ($self) = @_;
1291		1935
1292	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1936	"$MAPDIR/$self->{path}.map"
1293	}	1937	}
1294		1938
1295	# the temporary/swap location	1939	# the temporary/swap location
1296	sub save_path {	1940	sub save_path {
1297	my ($self) = @_;	1941	my ($self) = @_;
1298		1942
1299	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1943	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1300	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1944	"$TMPDIR/$path.map"
1301	}	1945	}
1302		1946
1303	# the unique path, undef == no special unique path	1947	# the unique path, undef == no special unique path
1304	sub uniq_path {	1948	sub uniq_path {
1305	my ($self) = @_;	1949	my ($self) = @_;
1306		1950
1307	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1951	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1308	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1952	"$UNIQUEDIR/$path"
1309	}	1953	}
1310		1954
1311	# and all this just because we cannot iterate over	1955	sub decay_objects {
1312	# all maps in C++...
1313	sub change_all_map_light {
1314	my ($change) = @_;	1956	my ($self) = @_;
1315		1957
1316	$_->change_map_light ($change)	1958	return if $self->{deny_reset};
1317	for grep $_->outdoor, values %cf::MAP;	1959
		1960	$self->do_decay_objects;
1318	}	1961	}
1319		1962
1320	sub unlink_save {	1963	sub unlink_save {
1321	my ($self) = @_;	1964	my ($self) = @_;
1322		1965
…		…
1327		1970
1328	sub load_header_from($) {	1971	sub load_header_from($) {
1329	my ($self, $path) = @_;	1972	my ($self, $path) = @_;
1330		1973
1331	utf8::encode $path;	1974	utf8::encode $path;
1332	#aio_open $path, O_RDONLY, 0	1975	my $f = new_from_file cf::object::thawer $path
1333	# or return;
1334
1335	$self->_load_header ($path)
1336	or return;	1976	or return;
		1977
		1978	$self->_load_header ($f)
		1979	or return;
		1980
		1981	local $MAP_LOADING{$self->{path}} = $self;
		1982	$f->resolve_delayed_derefs;
1337		1983
1338	$self->{load_path} = $path;	1984	$self->{load_path} = $path;
1339		1985
1340	1	1986	1
1341	}	1987	}
…		…
1380	$self->load_header_orig	2026	$self->load_header_orig
1381	or return;	2027	or return;
1382	$self->prepare_orig;	2028	$self->prepare_orig;
1383	}	2029	}
1384		2030
		2031	$self->{deny_reset} = 1
		2032	if $self->no_reset;
		2033
		2034	$self->default_region (cf::region::find_by_path $self->{path})
		2035	unless $self->default_region;
		2036
1385	1	2037	1
1386	}	2038	}
1387		2039
1388	sub find;	2040	sub find;
1389	sub find {	2041	sub find {
1390	my ($path, $origin) = @_;	2042	my ($path, $origin) = @_;
1391		2043
1392	$path = normalise $path, $origin && $origin->path;	2044	$path = normalise $path, $origin && $origin->path;
1393		2045
		2046	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1394	cf::lock_wait "map_find:$path";	2047	my $guard2 = cf::lock_acquire "map_find:$path";
1395		2048
1396	$cf::MAP{$path} || do {	2049	$cf::MAP{$path} || do {
1397	my $guard = cf::lock_acquire "map_find:$path";
1398	my $map = new_from_path cf::map $path	2050	my $map = new_from_path cf::map $path
1399	or return;	2051	or return;
1400		2052
1401	$map->{last_save} = $cf::RUNTIME;	2053	$map->{last_save} = $cf::RUNTIME;
1402		2054
1403	$map->load_header	2055	$map->load_header
1404	or return;	2056	or return;
1405		2057
1406	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2058	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1407	# doing this can freeze the server in a sync job, obviously	2059	# doing this can freeze the server in a sync job, obviously
1408	#$cf::WAIT_FOR_TICK->wait;	2060	#$cf::WAIT_FOR_TICK->wait;
		2061	undef $guard2;
		2062	undef $guard1;
1409	$map->reset;	2063	$map->reset;
1410	undef $guard;
1411	return find $path;	2064	return find $path;
1412	}	2065	}
1413		2066
1414	$cf::MAP{$path} = $map	2067	$cf::MAP{$path} = $map
1415	}	2068	}
1416	}	2069	}
1417		2070
1418	sub pre_load { }	2071	sub pre_load { }
1419	sub post_load { }	2072	#sub post_load { } # XS
1420		2073
1421	sub load {	2074	sub load {
1422	my ($self) = @_;	2075	my ($self) = @_;
1423		2076
1424	local $self->{deny_reset} = 1; # loading can take a long time	2077	local $self->{deny_reset} = 1; # loading can take a long time
1425		2078
1426	my $path = $self->{path};	2079	my $path = $self->{path};
		2080
		2081	{
1427	my $guard = cf::lock_acquire "map_load:$path";	2082	my $guard = cf::lock_acquire "map_data:$path";
1428		2083
		2084	return unless $self->valid;
1429	return if $self->in_memory != cf::MAP_SWAPPED;	2085	return unless $self->in_memory == cf::MAP_SWAPPED;
1430		2086
1431	$self->in_memory (cf::MAP_LOADING);	2087	$self->in_memory (cf::MAP_LOADING);
1432		2088
1433	$self->alloc;	2089	$self->alloc;
1434		2090
1435	$self->pre_load;	2091	$self->pre_load;
		2092	cf::cede_to_tick;
1436		2093
1437	$self->_load_objects ($self->{load_path}, 1)	2094	my $f = new_from_file cf::object::thawer $self->{load_path};
		2095	$f->skip_block;
		2096	$self->_load_objects ($f)
1438	or return;	2097	or return;
1439		2098
1440	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2099	$self->post_load_original
1441	if delete $self->{load_original};	2100	if delete $self->{load_original};
1442		2101
1443	if (my $uniq = $self->uniq_path) {	2102	if (my $uniq = $self->uniq_path) {
1444	utf8::encode $uniq;	2103	utf8::encode $uniq;
1445	if (aio_open $uniq, O_RDONLY, 0) {	2104	unless (aio_stat $uniq) {
		2105	if (my $f = new_from_file cf::object::thawer $uniq) {
1446	$self->clear_unique_items;	2106	$self->clear_unique_items;
1447	$self->_load_objects ($uniq, 0);	2107	$self->_load_objects ($f);
		2108	$f->resolve_delayed_derefs;
		2109	}
1448	}	2110	}
1449	}	2111	}
1450		2112
1451	Coro::cede;	2113	$f->resolve_delayed_derefs;
1452		2114
		2115	cf::cede_to_tick;
1453	# now do the right thing for maps	2116	# now do the right thing for maps
1454	$self->link_multipart_objects;	2117	$self->link_multipart_objects;
1455
1456	unless ($self->{deny_activate}) {
1457	$self->decay_objects;
1458	$self->fix_auto_apply;
1459	$self->update_buttons;
1460	Coro::cede;
1461	$self->set_darkness_map;
1462	$self->difficulty ($self->estimate_difficulty)	2118	$self->difficulty ($self->estimate_difficulty)
1463	unless $self->difficulty;	2119	unless $self->difficulty;
1464	Coro::cede;	2120	cf::cede_to_tick;
		2121
		2122	unless ($self->{deny_activate}) {
		2123	$self->decay_objects;
		2124	$self->fix_auto_apply;
		2125	$self->update_buttons;
		2126	cf::cede_to_tick;
1465	$self->activate;	2127	$self->activate;
		2128	}
		2129
		2130	$self->{last_save} = $cf::RUNTIME;
		2131	$self->last_access ($cf::RUNTIME);
		2132
		2133	$self->in_memory (cf::MAP_ACTIVE);
1466	}	2134	}
1467		2135
1468	$self->post_load;	2136	$self->post_load;
1469
1470	$self->in_memory (cf::MAP_IN_MEMORY);
1471	}	2137	}
1472		2138
		2139	# customize the map for a given player, i.e.
		2140	# return the _real_ map. used by e.g. per-player
		2141	# maps to change the path to ~playername/mappath
1473	sub customise_for {	2142	sub customise_for {
1474	my ($self, $ob) = @_;	2143	my ($self, $ob) = @_;
1475		2144
1476	return find "~" . $ob->name . "/" . $self->{path}	2145	return find "~" . $ob->name . "/" . $self->{path}
1477	if $self->per_player;	2146	if $self->per_player;
1478		2147
		2148	# return find "?party/" . $ob->name . "/" . $self->{path}
		2149	# if $self->per_party;
		2150
1479	$self	2151	$self
1480	}	2152	}
1481		2153
1482	# find and load all maps in the 3x3 area around a map	2154	# find and load all maps in the 3x3 area around a map
1483	sub load_diag {	2155	sub load_neighbours {
1484	my ($map) = @_;	2156	my ($map) = @_;
1485		2157
1486	my @diag; # diagonal neighbours	2158	my @neigh; # diagonal neighbours
1487		2159
1488	for (0 .. 3) {	2160	for (0 .. 3) {
1489	my $neigh = $map->tile_path ($_)	2161	my $neigh = $map->tile_path ($_)
1490	or next;	2162	or next;
1491	$neigh = find $neigh, $map	2163	$neigh = find $neigh, $map
1492	or next;	2164	or next;
1493	$neigh->load;	2165	$neigh->load;
1494		2166
		2167	push @neigh,
1495	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2168	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1496	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2169	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1497	}	2170	}
1498		2171
1499	for (@diag) {	2172	for (grep defined $_->[0], @neigh) {
		2173	my ($path, $origin) = @$_;
1500	my $neigh = find @$_	2174	my $neigh = find $path, $origin
1501	or next;	2175	or next;
1502	$neigh->load;	2176	$neigh->load;
1503	}	2177	}
1504	}	2178	}
1505		2179
…		…
1510	}	2184	}
1511		2185
1512	sub do_load_sync {	2186	sub do_load_sync {
1513	my ($map) = @_;	2187	my ($map) = @_;
1514		2188
		2189	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2190	if $Coro::current == $Coro::main;
		2191
1515	cf::sync_job { $map->load };	2192	cf::sync_job { $map->load };
1516	}	2193	}
1517		2194
1518	our %MAP_PREFETCH;	2195	our %MAP_PREFETCH;
1519	our $MAP_PREFETCHER = undef;	2196	our $MAP_PREFETCHER = undef;
1520		2197
1521	sub find_async {	2198	sub find_async {
1522	my ($path, $origin) = @_;	2199	my ($path, $origin, $load) = @_;
1523		2200
1524	$path = normalise $path, $origin && $origin->{path};	2201	$path = normalise $path, $origin && $origin->{path};
1525		2202
1526	if (my $map = $cf::MAP{$path}) {	2203	if (my $map = $cf::MAP{$path}) {
1527	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2204	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1528	}	2205	}
1529		2206
1530	undef $MAP_PREFETCH{$path};	2207	$MAP_PREFETCH{$path} |= $load;
		2208
1531	$MAP_PREFETCHER ||= cf::async {	2209	$MAP_PREFETCHER ||= cf::async {
		2210	$Coro::current->{desc} = "map prefetcher";
		2211
1532	while (%MAP_PREFETCH) {	2212	while (%MAP_PREFETCH) {
1533	for my $path (keys %MAP_PREFETCH) {	2213	while (my ($k, $v) = each %MAP_PREFETCH) {
1534	my $map = find $path	2214	if (my $map = find $k) {
1535	or next;
1536	$map->load;	2215	$map->load if $v;
		2216	}
1537		2217
1538	delete $MAP_PREFETCH{$path};	2218	delete $MAP_PREFETCH{$k};
1539	}	2219	}
1540	}	2220	}
1541	undef $MAP_PREFETCHER;	2221	undef $MAP_PREFETCHER;
1542	};	2222	};
1543	$MAP_PREFETCHER->prio (6);	2223	$MAP_PREFETCHER->prio (6);
1544		2224
1545	()	2225	()
1546	}	2226	}
1547		2227
		2228	# common code, used by both ->save and ->swapout
1548	sub save {	2229	sub _save {
1549	my ($self) = @_;	2230	my ($self) = @_;
1550
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;
1552		2231
1553	$self->{last_save} = $cf::RUNTIME;	2232	$self->{last_save} = $cf::RUNTIME;
1554		2233
1555	return unless $self->dirty;	2234	return unless $self->dirty;
1556		2235
…		…
1562	return if $self->{deny_save};	2241	return if $self->{deny_save};
1563		2242
1564	local $self->{last_access} = $self->last_access;#d#	2243	local $self->{last_access} = $self->last_access;#d#
1565		2244
1566	cf::async {	2245	cf::async {
		2246	$Coro::current->{desc} = "map player save";
1567	$_->contr->save for $self->players;	2247	$_->contr->save for $self->players;
1568	};	2248	};
		2249
		2250	cf::get_slot 0.02;
1569		2251
1570	if ($uniq) {	2252	if ($uniq) {
1571	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2253	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1572	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2254	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1573	} else {	2255	} else {
1574	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2256	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1575	}	2257	}
1576	}	2258	}
1577		2259
		2260	sub save {
		2261	my ($self) = @_;
		2262
		2263	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2264
		2265	$self->_save;
		2266	}
		2267
1578	sub swap_out {	2268	sub swap_out {
1579	my ($self) = @_;	2269	my ($self) = @_;
1580		2270
1581	# save first because save cedes
1582	$self->save;
1583
1584	my $lock = cf::lock_acquire "map_data:" . $self->path;	2271	my $lock = cf::lock_acquire "map_data:$self->{path}";
1585		2272
		2273	return if $self->in_memory != cf::MAP_ACTIVE;
		2274	return if $self->{deny_save};
1586	return if $self->players;	2275	return if $self->players;
1587	return if $self->in_memory != cf::MAP_IN_MEMORY;
1588	return if $self->{deny_save};
1589		2276
		2277	# first deactivate the map and "unlink" it from the core
		2278	$self->deactivate;
		2279	$_->clear_links_to ($self) for values %cf::MAP;
		2280	$self->in_memory (cf::MAP_SWAPPED);
		2281
		2282	# then atomically save
		2283	$self->_save;
		2284
		2285	# then free the map
1590	$self->clear;	2286	$self->clear;
1591	$self->in_memory (cf::MAP_SWAPPED);
1592	}	2287	}
1593		2288
1594	sub reset_at {	2289	sub reset_at {
1595	my ($self) = @_;	2290	my ($self) = @_;
1596		2291
1597	# TODO: safety, remove and allow resettable per-player maps	2292	# TODO: safety, remove and allow resettable per-player maps
1598	return 1e99 if $self->isa ("ext::map_per_player");#d#
1599	return 1e99 if $self->{deny_reset};	2293	return 1e99 if $self->{deny_reset};
1600		2294
1601	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2295	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1602	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2296	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1603		2297
…		…
1614	my ($self) = @_;	2308	my ($self) = @_;
1615		2309
1616	my $lock = cf::lock_acquire "map_data:$self->{path}";	2310	my $lock = cf::lock_acquire "map_data:$self->{path}";
1617		2311
1618	return if $self->players;	2312	return if $self->players;
1619	return if $self->isa ("ext::map_per_player");#d#
1620		2313
1621	warn "resetting map ", $self->path;#d#	2314	warn "resetting map ", $self->path, "\n";
1622		2315
1623	$self->in_memory (cf::MAP_SWAPPED);	2316	$self->in_memory (cf::MAP_SWAPPED);
1624		2317
1625	# need to save uniques path	2318	# need to save uniques path
1626	unless ($self->{deny_save}) {	2319	unless ($self->{deny_save}) {
…		…
1630	if $uniq;	2323	if $uniq;
1631	}	2324	}
1632		2325
1633	delete $cf::MAP{$self->path};	2326	delete $cf::MAP{$self->path};
1634		2327
		2328	$self->deactivate;
		2329	$_->clear_links_to ($self) for values %cf::MAP;
1635	$self->clear;	2330	$self->clear;
1636
1637	$_->clear_links_to ($self) for values %cf::MAP;
1638		2331
1639	$self->unlink_save;	2332	$self->unlink_save;
1640	$self->destroy;	2333	$self->destroy;
1641	}	2334	}
1642		2335
1643	my $nuke_counter = "aaaa";	2336	my $nuke_counter = "aaaa";
1644		2337
1645	sub nuke {	2338	sub nuke {
1646	my ($self) = @_;	2339	my ($self) = @_;
1647		2340
		2341	{
		2342	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2343
1648	delete $cf::MAP{$self->path};	2344	delete $cf::MAP{$self->path};
1649		2345
1650	$self->unlink_save;	2346	$self->unlink_save;
1651		2347
1652	bless $self, "cf::map";	2348	bless $self, "cf::map::wrap";
1653	delete $self->{deny_reset};	2349	delete $self->{deny_reset};
1654	$self->{deny_save} = 1;	2350	$self->{deny_save} = 1;
1655	$self->reset_timeout (1);	2351	$self->reset_timeout (1);
1656	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2352	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1657		2353
1658	$cf::MAP{$self->path} = $self;	2354	$cf::MAP{$self->path} = $self;
		2355	}
1659		2356
1660	$self->reset; # polite request, might not happen	2357	$self->reset; # polite request, might not happen
		2358	}
		2359
		2360	=item $maps = cf::map::tmp_maps
		2361
		2362	Returns an arrayref with all map paths of currently instantiated and saved
		2363	maps. May block.
		2364
		2365	=cut
		2366
		2367	sub tmp_maps() {
		2368	[
		2369	map {
		2370	utf8::decode $_;
		2371	/\.map$/
		2372	? normalise $_
		2373	: ()
		2374	} @{ aio_readdir $TMPDIR or [] }
		2375	]
		2376	}
		2377
		2378	=item $maps = cf::map::random_maps
		2379
		2380	Returns an arrayref with all map paths of currently instantiated and saved
		2381	random maps. May block.
		2382
		2383	=cut
		2384
		2385	sub random_maps() {
		2386	[
		2387	map {
		2388	utf8::decode $_;
		2389	/\.map$/
		2390	? normalise "?random/$_"
		2391	: ()
		2392	} @{ aio_readdir $RANDOMDIR or [] }
		2393	]
1661	}	2394	}
1662		2395
1663	=item cf::map::unique_maps	2396	=item cf::map::unique_maps
1664		2397
1665	Returns an arrayref of paths of all shared maps that have	2398	Returns an arrayref of paths of all shared maps that have
1666	instantiated unique items. May block.	2399	instantiated unique items. May block.
1667		2400
1668	=cut	2401	=cut
1669		2402
1670	sub unique_maps() {	2403	sub unique_maps() {
1671	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2404	[
1672	or return;	2405	map {
1673
1674	my @paths;
1675
1676	for (@$files) {
1677	utf8::decode $_;	2406	utf8::decode $_;
1678	next if /\.pst$/;	2407	s/\.map$//; # TODO future compatibility hack
1679	next unless /^$PATH_SEP/o;	2408	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1680		2409	? ()
1681	push @paths, cf::map::normalise $_;	2410	: normalise $_
		2411	} @{ aio_readdir $UNIQUEDIR or [] }
1682	}	2412	]
1683
1684	\@paths
1685	}	2413	}
1686		2414
1687	package cf;	2415	=item cf::map::static_maps
		2416
		2417	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2418	file in the shared directory excluding F</styles> and F</editor>). May
		2419	block.
		2420
		2421	=cut
		2422
		2423	sub static_maps() {
		2424	my @dirs = "";
		2425	my @maps;
		2426
		2427	while (@dirs) {
		2428	my $dir = shift @dirs;
		2429
		2430	next if $dir eq "/styles" || $dir eq "/editor";
		2431
		2432	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2433	or return;
		2434
		2435	for (@$files) {
		2436	s/\.map$// or next;
		2437	utf8::decode $_;
		2438	push @maps, "$dir/$_";
		2439	}
		2440
		2441	push @dirs, map "$dir/$_", @$dirs;
		2442	}
		2443
		2444	\@maps
		2445	}
1688		2446
1689	=back	2447	=back
1690		2448
1691	=head3 cf::object	2449	=head3 cf::object
1692		2450
…		…
1696		2454
1697	=over 4	2455	=over 4
1698		2456
1699	=item $ob->inv_recursive	2457	=item $ob->inv_recursive
1700		2458
1701	Returns the inventory of the object _and_ their inventories, recursively.	2459	Returns the inventory of the object I<and> their inventories, recursively,
		2460	but I<not> the object itself.
1702		2461
1703	=cut	2462	=cut
1704		2463
1705	sub inv_recursive_;	2464	sub inv_recursive_;
1706	sub inv_recursive_ {	2465	sub inv_recursive_ {
…		…
1709		2468
1710	sub inv_recursive {	2469	sub inv_recursive {
1711	inv_recursive_ inv $_[0]	2470	inv_recursive_ inv $_[0]
1712	}	2471	}
1713		2472
		2473	=item $ref = $ob->ref
		2474
		2475	Creates and returns a persistent reference to an object that can be stored as a string.
		2476
		2477	=item $ob = cf::object::deref ($refstring)
		2478
		2479	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2480	even if the object actually exists. May block.
		2481
		2482	=cut
		2483
		2484	sub deref {
		2485	my ($ref) = @_;
		2486
		2487	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2488	my ($uuid, $name) = ($1, $2);
		2489	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2490	or return;
		2491	$pl->ob->uuid eq $uuid
		2492	or return;
		2493
		2494	$pl->ob
		2495	} else {
		2496	warn "$ref: cannot resolve object reference\n";
		2497	undef
		2498	}
		2499	}
		2500
1714	package cf;	2501	package cf;
1715		2502
1716	=back	2503	=back
1717		2504
1718	=head3 cf::object::player	2505	=head3 cf::object::player
…		…
1724	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2511	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1725	can be C<undef>. Does the right thing when the player is currently in a	2512	can be C<undef>. Does the right thing when the player is currently in a
1726	dialogue with the given NPC character.	2513	dialogue with the given NPC character.
1727		2514
1728	=cut	2515	=cut
		2516
		2517	our $SAY_CHANNEL = {
		2518	id => "say",
		2519	title => "Map",
		2520	reply => "say ",
		2521	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2522	};
		2523
		2524	our $CHAT_CHANNEL = {
		2525	id => "chat",
		2526	title => "Chat",
		2527	reply => "chat ",
		2528	tooltip => "Player chat and shouts, global to the server.",
		2529	};
1729		2530
1730	# rough implementation of a future "reply" method that works	2531	# rough implementation of a future "reply" method that works
1731	# with dialog boxes.	2532	# with dialog boxes.
1732	#TODO: the first argument must go, split into a $npc->reply_to ( method	2533	#TODO: the first argument must go, split into a $npc->reply_to ( method
1733	sub cf::object::player::reply($$$;$) {	2534	sub cf::object::player::reply($$$;$) {
…		…
1735		2536
1736	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2537	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1737		2538
1738	if ($self->{record_replies}) {	2539	if ($self->{record_replies}) {
1739	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2540	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2541
1740	} else {	2542	} else {
		2543	my $pl = $self->contr;
		2544
		2545	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2546	my $dialog = $pl->{npc_dialog};
		2547	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2548
		2549	} else {
1741	$msg = $npc->name . " says: $msg" if $npc;	2550	$msg = $npc->name . " says: $msg" if $npc;
1742	$self->message ($msg, $flags);	2551	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2552	}
1743	}	2553	}
		2554	}
		2555
		2556	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2557
		2558	=cut
		2559
		2560	sub cf::object::send_msg {
		2561	my $pl = shift->contr
		2562	or return;
		2563	$pl->send_msg (@_);
1744	}	2564	}
1745		2565
1746	=item $player_object->may ("access")	2566	=item $player_object->may ("access")
1747		2567
1748	Returns wether the given player is authorized to access resource "access"	2568	Returns wether the given player is authorized to access resource "access"
…		…
1761		2581
1762	=item $player_object->enter_link	2582	=item $player_object->enter_link
1763		2583
1764	Freezes the player and moves him/her to a special map (C<{link}>).	2584	Freezes the player and moves him/her to a special map (C<{link}>).
1765		2585
1766	The player should be reasonably safe there for short amounts of time. You	2586	The player should be reasonably safe there for short amounts of time (e.g.
1767	I<MUST> call C<leave_link> as soon as possible, though.	2587	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2588	though, as the palyer cannot control the character while it is on the link
		2589	map.
1768		2590
1769	Will never block.	2591	Will never block.
1770		2592
1771	=item $player_object->leave_link ($map, $x, $y)	2593	=item $player_object->leave_link ($map, $x, $y)
1772		2594
…		…
1795	$self->deactivate_recursive;	2617	$self->deactivate_recursive;
1796		2618
1797	return if UNIVERSAL::isa $self->map, "ext::map_link";	2619	return if UNIVERSAL::isa $self->map, "ext::map_link";
1798		2620
1799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2621	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1800	if $self->map;	2622	if $self->map && $self->map->{path} ne "{link}";
1801		2623
1802	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2624	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1803	}	2625	}
1804		2626
1805	sub cf::object::player::leave_link {	2627	sub cf::object::player::leave_link {
1806	my ($self, $map, $x, $y) = @_;	2628	my ($self, $map, $x, $y) = @_;
		2629
		2630	return unless $self->contr->active;
1807		2631
1808	my $link_pos = delete $self->{_link_pos};	2632	my $link_pos = delete $self->{_link_pos};
1809		2633
1810	unless ($map) {	2634	unless ($map) {
1811	# restore original map position	2635	# restore original map position
…		…
1822	($x, $y) = (-1, -1)	2646	($x, $y) = (-1, -1)
1823	unless (defined $x) && (defined $y);	2647	unless (defined $x) && (defined $y);
1824		2648
1825	# use -1 or undef as default coordinates, not 0, 0	2649	# use -1 or undef as default coordinates, not 0, 0
1826	($x, $y) = ($map->enter_x, $map->enter_y)	2650	($x, $y) = ($map->enter_x, $map->enter_y)
1827	if $x <=0 && $y <= 0;	2651	if $x <= 0 && $y <= 0;
1828		2652
1829	$map->load;	2653	$map->load;
1830	$map->load_diag;	2654	$map->load_neighbours;
1831		2655
1832	return unless $self->contr->active;	2656	return unless $self->contr->active;
1833	$self->activate_recursive;
1834		2657
1835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2658	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1836	$self->enter_map ($map, $x, $y);	2659	$self->enter_map ($map, $x, $y);
1837	}
1838		2660
1839	cf::player->attach (	2661	# only activate afterwards, to support waiting in hooks
1840	on_logout => sub {	2662	$self->activate_recursive;
1841	my ($pl) = @_;	2663	}
1842		2664
1843	# abort map switching before logout	2665	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1844	if ($pl->ob->{_link_pos}) {
1845	cf::sync_job {
1846	$pl->ob->leave_link
1847	};
1848	}
1849	},
1850	on_login => sub {
1851	my ($pl) = @_;
1852		2666
1853	# try to abort aborted map switching on player login :)	2667	Moves the player to the given map-path and coordinates by first freezing
1854	# should happen only on crashes	2668	her, loading and preparing them map, calling the provided $check callback
1855	if ($pl->ob->{_link_pos}) {	2669	that has to return the map if sucecssful, and then unfreezes the player on
1856	$pl->ob->enter_link;	2670	the new (success) or old (failed) map position. In either case, $done will
1857	(async {	2671	be called at the end of this process.
1858	$pl->ob->reply (undef,
1859	"There was an internal problem at your last logout, "
1860	. "the server will try to bring you to your intended destination in a second.",
1861	cf::NDI_RED);
1862	# we need this sleep as the login has a concurrent enter_exit running
1863	# and this sleep increases chances of the player not ending up in scorn
1864	Coro::Timer::sleep 1;
1865	$pl->ob->leave_link;
1866	})->prio (2);
1867	}
1868	},
1869	);
1870		2672
1871	=item $player_object->goto ($path, $x, $y)	2673	Note that $check will be called with a potentially non-loaded map, so if
		2674	it needs a loaded map it has to call C<< ->load >>.
1872		2675
1873	=cut	2676	=cut
		2677
		2678	our $GOTOGEN;
1874		2679
1875	sub cf::object::player::goto {	2680	sub cf::object::player::goto {
1876	my ($self, $path, $x, $y) = @_;	2681	my ($self, $path, $x, $y, $check, $done) = @_;
		2682
		2683	# do generation counting so two concurrent goto's will be executed in-order
		2684	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1877		2685
1878	$self->enter_link;	2686	$self->enter_link;
1879		2687
1880	(async {	2688	(async {
		2689	$Coro::current->{desc} = "player::goto $path $x $y";
		2690
		2691	# *tag paths override both path and x|y
		2692	if ($path =~ /^\*(.*)$/) {
		2693	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2694	my $ob = $obs[rand @obs];
		2695
		2696	# see if we actually can go there
		2697	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2698	$ob = $obs[rand @obs];
		2699	} else {
		2700	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2701	}
		2702	# else put us there anyways for now #d#
		2703
		2704	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2705	} else {
		2706	($path, $x, $y) = (undef, undef, undef);
		2707	}
		2708	}
		2709
1881	my $map = eval {	2710	my $map = eval {
1882	my $map = cf::map::find $path;	2711	my $map = defined $path ? cf::map::find $path : undef;
		2712
		2713	if ($map) {
1883	$map = $map->customise_for ($self) if $map;	2714	$map = $map->customise_for ($self);
		2715	$map = $check->($map) if $check && $map;
		2716	} else {
		2717	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2718	}
		2719
1884	$map	2720	$map
		2721	};
		2722
		2723	if ($@) {
		2724	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2725	LOG llevError | logBacktrace, Carp::longmess $@;
1885	} or	2726	}
1886	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1887		2727
		2728	if ($gen == $self->{_goto_generation}) {
		2729	delete $self->{_goto_generation};
1888	$self->leave_link ($map, $x, $y);	2730	$self->leave_link ($map, $x, $y);
		2731	}
		2732
		2733	$done->() if $done;
1889	})->prio (1);	2734	})->prio (1);
1890	}	2735	}
1891		2736
1892	=item $player_object->enter_exit ($exit_object)	2737	=item $player_object->enter_exit ($exit_object)
1893		2738
…		…
1913	}	2758	}
1914		2759
1915	sub prepare_random_map {	2760	sub prepare_random_map {
1916	my ($exit) = @_;	2761	my ($exit) = @_;
1917		2762
1918	my $guard = cf::lock_acquire "exit_prepare:$exit";
1919
1920	# all this does is basically replace the /! path by	2763	# all this does is basically replace the /! path by
1921	# a new random map path (?random/...) with a seed	2764	# a new random map path (?random/...) with a seed
1922	# that depends on the exit object	2765	# that depends on the exit object
1923		2766
1924	my $rmp = parse_random_map_params $exit->msg;	2767	my $rmp = parse_random_map_params $exit->msg;
…		…
1926	if ($exit->map) {	2769	if ($exit->map) {
1927	$rmp->{region} = $exit->region->name;	2770	$rmp->{region} = $exit->region->name;
1928	$rmp->{origin_map} = $exit->map->path;	2771	$rmp->{origin_map} = $exit->map->path;
1929	$rmp->{origin_x} = $exit->x;	2772	$rmp->{origin_x} = $exit->x;
1930	$rmp->{origin_y} = $exit->y;	2773	$rmp->{origin_y} = $exit->y;
		2774
		2775	$exit->map->touch;
1931	}	2776	}
1932		2777
1933	$rmp->{random_seed} ||= $exit->random_seed;	2778	$rmp->{random_seed} ||= $exit->random_seed;
1934		2779
1935	my $data = cf::to_json $rmp;	2780	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1936	my $md5 = Digest::MD5::md5_hex $data;	2781	my $md5 = Digest::MD5::md5_hex $data;
1937	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2782	my $meta = "$RANDOMDIR/$md5.meta";
1938		2783
1939	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2784	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1940	aio_write $fh, 0, (length $data), $data, 0;	2785	aio_write $fh, 0, (length $data), $data, 0;
1941	undef $fh;	2786	undef $fh;
1942	aio_rename "$meta~", $meta;	2787	aio_rename "$meta~", $meta;
1943		2788
		2789	my $slaying = "?random/$md5";
		2790
		2791	if ($exit->valid) {
1944	$exit->slaying ("?random/$md5");	2792	$exit->slaying ("?random/$md5");
1945	$exit->msg (undef);	2793	$exit->msg (undef);
		2794	}
1946	}	2795	}
1947	}	2796	}
1948		2797
1949	sub cf::object::player::enter_exit {	2798	sub cf::object::player::enter_exit {
1950	my ($self, $exit) = @_;	2799	my ($self, $exit) = @_;
1951		2800
1952	return unless $self->type == cf::PLAYER;	2801	return unless $self->type == cf::PLAYER;
1953		2802
1954	if ($exit->slaying eq "/!") {
1955	#TODO: this should de-fi-ni-te-ly not be a sync-job
1956	cf::sync_job { prepare_random_map $exit };
1957	}
1958
1959	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1960	my $hp = $exit->stats->hp;
1961	my $sp = $exit->stats->sp;
1962
1963	$self->enter_link;	2803	$self->enter_link;
1964		2804
1965	(async {	2805	(async {
1966	$self->deactivate_recursive; # just to be sure	2806	$Coro::current->{desc} = "enter_exit";
		2807
1967	unless (eval {	2808	unless (eval {
		2809	$self->deactivate_recursive; # just to be sure
		2810
		2811	# random map handling
		2812	{
		2813	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2814
		2815	prepare_random_map $exit
		2816	if $exit->slaying eq "/!";
		2817	}
		2818
		2819	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2820	my $x = $exit->stats->hp;
		2821	my $y = $exit->stats->sp;
		2822
1968	$self->goto ($slaying, $hp, $sp);	2823	$self->goto ($map, $x, $y);
1969		2824
		2825	# if exit is damned, update players death & WoR home-position
		2826	$self->contr->savebed ($map, $x, $y)
		2827	if $exit->flag (cf::FLAG_DAMNED);
		2828
1970	1;	2829	1
1971	}) {	2830	}) {
1972	$self->message ("Something went wrong deep within the crossfire server. "	2831	$self->message ("Something went wrong deep within the deliantra server. "
1973	. "I'll try to bring you back to the map you were before. "	2832	. "I'll try to bring you back to the map you were before. "
1974	. "Please report this to the dungeon master!",	2833	. "Please report this to the dungeon master!",
1975	cf::NDI_UNIQUE | cf::NDI_RED);	2834	cf::NDI_UNIQUE | cf::NDI_RED);
1976		2835
1977	warn "ERROR in enter_exit: $@";	2836	warn "ERROR in enter_exit: $@";
1978	$self->leave_link;	2837	$self->leave_link;
1979	}	2838	}
1980	})->prio (1);	2839	})->prio (1);
…		…
1993		2852
1994	sub cf::client::send_drawinfo {	2853	sub cf::client::send_drawinfo {
1995	my ($self, $text, $flags) = @_;	2854	my ($self, $text, $flags) = @_;
1996		2855
1997	utf8::encode $text;	2856	utf8::encode $text;
1998	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2857	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1999	}	2858	}
2000		2859
		2860	=item $client->send_big_packet ($pkt)
		2861
		2862	Like C<send_packet>, but tries to compress large packets, and fragments
		2863	them as required.
		2864
		2865	=cut
		2866
		2867	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2868
		2869	sub cf::client::send_big_packet {
		2870	my ($self, $pkt) = @_;
		2871
		2872	# try lzf for large packets
		2873	$pkt = "lzf " . Compress::LZF::compress $pkt
		2874	if 1024 <= length $pkt and $self->{can_lzf};
		2875
		2876	# split very large packets
		2877	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2878	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2879	$pkt = "frag";
		2880	}
		2881
		2882	$self->send_packet ($pkt);
		2883	}
		2884
		2885	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2886
		2887	Send a drawinfo or msg packet to the client, formatting the msg for the
		2888	client if neccessary. C<$type> should be a string identifying the type of
		2889	the message, with C<log> being the default. If C<$color> is negative, suppress
		2890	the message unless the client supports the msg packet.
		2891
		2892	=cut
		2893
		2894	# non-persistent channels (usually the info channel)
		2895	our %CHANNEL = (
		2896	"c/motd" => {
		2897	id => "infobox",
		2898	title => "MOTD",
		2899	reply => undef,
		2900	tooltip => "The message of the day",
		2901	},
		2902	"c/identify" => {
		2903	id => "infobox",
		2904	title => "Identify",
		2905	reply => undef,
		2906	tooltip => "Items recently identified",
		2907	},
		2908	"c/examine" => {
		2909	id => "infobox",
		2910	title => "Examine",
		2911	reply => undef,
		2912	tooltip => "Signs and other items you examined",
		2913	},
		2914	"c/shopinfo" => {
		2915	id => "infobox",
		2916	title => "Shop Info",
		2917	reply => undef,
		2918	tooltip => "What your bargaining skill tells you about the shop",
		2919	},
		2920	"c/book" => {
		2921	id => "infobox",
		2922	title => "Book",
		2923	reply => undef,
		2924	tooltip => "The contents of a note or book",
		2925	},
		2926	"c/lookat" => {
		2927	id => "infobox",
		2928	title => "Look",
		2929	reply => undef,
		2930	tooltip => "What you saw there",
		2931	},
		2932	"c/who" => {
		2933	id => "infobox",
		2934	title => "Players",
		2935	reply => undef,
		2936	tooltip => "Shows players who are currently online",
		2937	},
		2938	"c/body" => {
		2939	id => "infobox",
		2940	title => "Body Parts",
		2941	reply => undef,
		2942	tooltip => "Shows which body parts you posess and are available",
		2943	},
		2944	"c/statistics" => {
		2945	id => "infobox",
		2946	title => "Statistics",
		2947	reply => undef,
		2948	tooltip => "Shows your primary statistics",
		2949	},
		2950	"c/skills" => {
		2951	id => "infobox",
		2952	title => "Skills",
		2953	reply => undef,
		2954	tooltip => "Shows your experience per skill and item power",
		2955	},
		2956	"c/shopitems" => {
		2957	id => "infobox",
		2958	title => "Shop Items",
		2959	reply => undef,
		2960	tooltip => "Shows the items currently for sale in this shop",
		2961	},
		2962	"c/resistances" => {
		2963	id => "infobox",
		2964	title => "Resistances",
		2965	reply => undef,
		2966	tooltip => "Shows your resistances",
		2967	},
		2968	"c/pets" => {
		2969	id => "infobox",
		2970	title => "Pets",
		2971	reply => undef,
		2972	tooltip => "Shows information abotu your pets/a specific pet",
		2973	},
		2974	"c/perceiveself" => {
		2975	id => "infobox",
		2976	title => "Perceive Self",
		2977	reply => undef,
		2978	tooltip => "You gained detailed knowledge about yourself",
		2979	},
		2980	"c/uptime" => {
		2981	id => "infobox",
		2982	title => "Uptime",
		2983	reply => undef,
		2984	tooltip => "How long the server has been running since last restart",
		2985	},
		2986	"c/mapinfo" => {
		2987	id => "infobox",
		2988	title => "Map Info",
		2989	reply => undef,
		2990	tooltip => "Information related to the maps",
		2991	},
		2992	"c/party" => {
		2993	id => "party",
		2994	title => "Party",
		2995	reply => "gsay ",
		2996	tooltip => "Messages and chat related to your party",
		2997	},
		2998	"c/death" => {
		2999	id => "death",
		3000	title => "Death",
		3001	reply => undef,
		3002	tooltip => "Reason for and more info about your most recent death",
		3003	},
		3004	"c/say" => $SAY_CHANNEL,
		3005	"c/chat" => $CHAT_CHANNEL,
		3006	);
		3007
		3008	sub cf::client::send_msg {
		3009	my ($self, $channel, $msg, $color, @extra) = @_;
		3010
		3011	$msg = $self->pl->expand_cfpod ($msg)
		3012	unless $color & cf::NDI_VERBATIM;
		3013
		3014	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3015
		3016	# check predefined channels, for the benefit of C
		3017	if ($CHANNEL{$channel}) {
		3018	$channel = $CHANNEL{$channel};
		3019
		3020	$self->ext_msg (channel_info => $channel);
		3021	$channel = $channel->{id};
		3022
		3023	} elsif (ref $channel) {
		3024	# send meta info to client, if not yet sent
		3025	unless (exists $self->{channel}{$channel->{id}}) {
		3026	$self->{channel}{$channel->{id}} = $channel;
		3027	$self->ext_msg (channel_info => $channel);
		3028	}
		3029
		3030	$channel = $channel->{id};
		3031	}
		3032
		3033	return unless @extra || length $msg;
		3034
		3035	# default colour, mask it out
		3036	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3037	if $color & cf::NDI_DEF;
		3038
		3039	my $pkt = "msg "
		3040	. $self->{json_coder}->encode (
		3041	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3042	);
		3043
		3044	$self->send_big_packet ($pkt);
		3045	}
		3046
		3047	=item $client->ext_msg ($type, @msg)
		3048
		3049	Sends an ext event to the client.
		3050
		3051	=cut
		3052
		3053	sub cf::client::ext_msg($$@) {
		3054	my ($self, $type, @msg) = @_;
		3055
		3056	if ($self->extcmd == 2) {
		3057	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3058	} elsif ($self->extcmd == 1) { # TODO: remove
		3059	push @msg, msgtype => "event_$type";
		3060	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3061	}
		3062	}
		3063
		3064	=item $client->ext_reply ($msgid, @msg)
		3065
		3066	Sends an ext reply to the client.
		3067
		3068	=cut
		3069
		3070	sub cf::client::ext_reply($$@) {
		3071	my ($self, $id, @msg) = @_;
		3072
		3073	if ($self->extcmd == 2) {
		3074	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3075	} elsif ($self->extcmd == 1) {
		3076	#TODO: version 1, remove
		3077	unshift @msg, msgtype => "reply", msgid => $id;
		3078	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3079	}
		3080	}
2001		3081
2002	=item $success = $client->query ($flags, "text", \&cb)	3082	=item $success = $client->query ($flags, "text", \&cb)
2003		3083
2004	Queues a query to the client, calling the given callback with	3084	Queues a query to the client, calling the given callback with
2005	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3085	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2006	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3086	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2007		3087
2008	Queries can fail, so check the return code. Or don't, as queries will become	3088	Queries can fail, so check the return code. Or don't, as queries will
2009	reliable at some point in the future.	3089	become reliable at some point in the future.
2010		3090
2011	=cut	3091	=cut
2012		3092
2013	sub cf::client::query {	3093	sub cf::client::query {
2014	my ($self, $flags, $text, $cb) = @_;	3094	my ($self, $flags, $text, $cb) = @_;
…		…
2022	utf8::encode $text;	3102	utf8::encode $text;
2023	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3103	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2024		3104
2025	$self->send_packet ($self->{query_queue}[0][0])	3105	$self->send_packet ($self->{query_queue}[0][0])
2026	if @{ $self->{query_queue} } == 1;	3106	if @{ $self->{query_queue} } == 1;
		3107
		3108	1
2027	}	3109	}
2028		3110
2029	cf::client->attach (	3111	cf::client->attach (
		3112	on_connect => sub {
		3113	my ($ns) = @_;
		3114
		3115	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3116	},
2030	on_reply => sub {	3117	on_reply => sub {
2031	my ($ns, $msg) = @_;	3118	my ($ns, $msg) = @_;
2032		3119
2033	# this weird shuffling is so that direct followup queries	3120	# this weird shuffling is so that direct followup queries
2034	# get handled first	3121	# get handled first
…		…
2046	} else {	3133	} else {
2047	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3134	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2048	}	3135	}
2049	}	3136	}
2050	},	3137	},
		3138	on_exticmd => sub {
		3139	my ($ns, $buf) = @_;
		3140
		3141	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3142
		3143	if (ref $msg) {
		3144	my ($type, $reply, @payload) =
		3145	"ARRAY" eq ref $msg
		3146	? @$msg
		3147	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3148
		3149	my @reply;
		3150
		3151	if (my $cb = $EXTICMD{$type}) {
		3152	@reply = $cb->($ns, @payload);
		3153	}
		3154
		3155	$ns->ext_reply ($reply, @reply)
		3156	if $reply;
		3157
		3158	} else {
		3159	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3160	}
		3161
		3162	cf::override;
		3163	},
2051	);	3164	);
2052		3165
2053	=item $client->async (\&cb)	3166	=item $client->async (\&cb)
2054		3167
2055	Create a new coroutine, running the specified callback. The coroutine will	3168	Create a new coroutine, running the specified callback. The coroutine will
…		…
2071		3184
2072	$coro	3185	$coro
2073	}	3186	}
2074		3187
2075	cf::client->attach (	3188	cf::client->attach (
2076	on_destroy => sub {	3189	on_client_destroy => sub {
2077	my ($ns) = @_;	3190	my ($ns) = @_;
2078		3191
2079	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3192	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2080	},	3193	},
2081	);	3194	);
…		…
2096	our $safe = new Safe "safe";	3209	our $safe = new Safe "safe";
2097	our $safe_hole = new Safe::Hole;	3210	our $safe_hole = new Safe::Hole;
2098		3211
2099	$SIG{FPE} = 'IGNORE';	3212	$SIG{FPE} = 'IGNORE';
2100		3213
2101	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3214	$safe->permit_only (Opcode::opset qw(
		3215	:base_core :base_mem :base_orig :base_math :base_loop
		3216	grepstart grepwhile mapstart mapwhile
		3217	sort time
		3218	));
2102		3219
2103	# here we export the classes and methods available to script code	3220	# here we export the classes and methods available to script code
2104		3221
2105	=pod	3222	=pod
2106		3223
2107	The following fucntions and emthods are available within a safe environment:	3224	The following functions and methods are available within a safe environment:
2108		3225
2109	cf::object contr pay_amount pay_player map	3226	cf::object
		3227	contr pay_amount pay_player map x y force_find force_add destroy
		3228	insert remove name archname title slaying race decrease split
		3229	value
		3230
2110	cf::object::player player	3231	cf::object::player
2111	cf::player peaceful	3232	player
2112	cf::map trigger	3233
		3234	cf::player
		3235	peaceful
		3236
		3237	cf::map
		3238	trigger
2113		3239
2114	=cut	3240	=cut
2115		3241
2116	for (	3242	for (
2117	["cf::object" => qw(contr pay_amount pay_player map)],	3243	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3244	insert remove inv nrof name archname title slaying race
		3245	decrease split destroy change_exp value msg lore send_msg)],
2118	["cf::object::player" => qw(player)],	3246	["cf::object::player" => qw(player)],
2119	["cf::player" => qw(peaceful)],	3247	["cf::player" => qw(peaceful send_msg)],
2120	["cf::map" => qw(trigger)],	3248	["cf::map" => qw(trigger)],
2121	) {	3249	) {
2122	no strict 'refs';	3250	no strict 'refs';
2123	my ($pkg, @funs) = @$_;	3251	my ($pkg, @funs) = @$_;
2124	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3252	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2142		3270
2143	my $qcode = $code;	3271	my $qcode = $code;
2144	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3272	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2145	$qcode =~ s/\n/\\n/g;	3273	$qcode =~ s/\n/\\n/g;
2146		3274
		3275	%vars = (_dummy => 0) unless %vars;
		3276
		3277	my @res;
2147	local $_;	3278	local $_;
2148	local @safe::cf::_safe_eval_args = values %vars;
2149		3279
2150	my $eval =	3280	my $eval =
2151	"do {\n"	3281	"do {\n"
2152	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3282	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2153	. "#line 0 \"{$qcode}\"\n"	3283	. "#line 0 \"{$qcode}\"\n"
2154	. $code	3284	. $code
2155	. "\n}"	3285	. "\n}"
2156	;	3286	;
2157		3287
		3288	if ($CFG{safe_eval}) {
2158	sub_generation_inc;	3289	sub_generation_inc;
		3290	local @safe::cf::_safe_eval_args = values %vars;
2159	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3291	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2160	sub_generation_inc;	3292	sub_generation_inc;
		3293	} else {
		3294	local @cf::_safe_eval_args = values %vars;
		3295	@res = wantarray ? eval eval : scalar eval $eval;
		3296	}
2161		3297
2162	if ($@) {	3298	if ($@) {
2163	warn "$@";	3299	warn "$@";
2164	warn "while executing safe code '$code'\n";	3300	warn "while executing safe code '$code'\n";
2165	warn "with arguments " . (join " ", %vars) . "\n";	3301	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2184	=cut	3320	=cut
2185		3321
2186	sub register_script_function {	3322	sub register_script_function {
2187	my ($fun, $cb) = @_;	3323	my ($fun, $cb) = @_;
2188		3324
2189	no strict 'refs';	3325	$fun = "safe::$fun" if $CFG{safe_eval};
2190	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3326	*$fun = $safe_hole->wrap ($cb);
2191	}	3327	}
2192		3328
2193	=back	3329	=back
2194		3330
2195	=cut	3331	=cut
2196
2197	#############################################################################
2198
2199	=head2 EXTENSION DATABASE SUPPORT
2200
2201	Crossfire maintains a very simple database for extension use. It can
2202	currently store anything that can be serialised using Storable, which
2203	excludes objects.
2204
2205	The parameter C<$family> should best start with the name of the extension
2206	using it, it should be unique.
2207
2208	=over 4
2209
2210	=item $value = cf::db_get $family => $key
2211
2212	Returns a single value from the database.
2213
2214	=item cf::db_put $family => $key => $value
2215
2216	Stores the given C<$value> in the family.
2217
2218	=cut
2219
2220	our $DB;
2221
2222	sub db_init {
2223	unless ($DB) {
2224	$DB = BDB::db_create $DB_ENV;
2225
2226	cf::sync_job {
2227	eval {
2228	$DB->set_flags (BDB::CHKSUM);
2229
2230	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2231	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2232	cf::cleanup "db_open(db): $!" if $!;
2233	};
2234	cf::cleanup "db_open(db): $@" if $@;
2235	};
2236
2237	my $path = cf::localdir . "/database.pst";
2238	if (stat $path) {
2239	cf::sync_job {
2240	my $pst = Storable::retrieve $path;
2241
2242	cf::db_put (board => data => $pst->{board});
2243	cf::db_put (guildrules => data => $pst->{guildrules});
2244	cf::db_put (rent => balance => $pst->{rent}{balance});
2245	BDB::db_env_txn_checkpoint $DB_ENV;
2246
2247	unlink $path;
2248	};
2249	}
2250	}
2251	}
2252
2253	sub db_get($$) {
2254	my $key = "$_[0]/$_[1]";
2255
2256	cf::sync_job {
2257	BDB::db_get $DB, undef, $key, my $data;
2258
2259	$! ? ()
2260	: Compress::LZF::sthaw $data
2261	}
2262	}
2263
2264	sub db_put($$$) {
2265	BDB::dbreq_pri 4;
2266	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2267	}
2268		3332
2269	#############################################################################	3333	#############################################################################
2270	# the server's init and main functions	3334	# the server's init and main functions
2271		3335
2272	sub load_faces {	3336	sub load_facedata($) {
2273	my $path = sprintf "%s/faces", cf::datadir;	3337	my ($path) = @_;
2274		3338
		3339	# HACK to clear player env face cache, we need some signal framework
		3340	# for this (global event?)
		3341	%ext::player_env::MUSIC_FACE_CACHE = ();
		3342
		3343	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3344
2275	warn "loading faces from $path\n";	3345	warn "loading facedata from $path\n";
2276		3346
2277	my $faces;	3347	my $facedata;
2278	0 < aio_load $path, $faces	3348	0 < aio_load $path, $facedata
2279	or die "$path: $!";	3349	or die "$path: $!";
2280		3350
2281	Coro::cede;
2282	$faces = Storable::thaw $faces;	3351	$facedata = Coro::Storable::thaw $facedata;
2283	Coro::cede;
2284		3352
		3353	$facedata->{version} == 2
		3354	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3355
		3356	# patch in the exptable
		3357	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3358	$facedata->{resource}{"res/exp_table"} = {
		3359	type => FT_RSRC,
		3360	data => $exp_table,
		3361	hash => (Digest::MD5::md5 $exp_table),
		3362	};
		3363	cf::cede_to_tick;
		3364
		3365	{
		3366	my $faces = $facedata->{faceinfo};
		3367
2285	while (my ($face, $info) = each %$faces) {	3368	while (my ($face, $info) = each %$faces) {
2286	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3369	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2287	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3370
		3371	cf::face::set_visibility $idx, $info->{visibility};
		3372	cf::face::set_magicmap $idx, $info->{magicmap};
2288	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3373	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2289	Coro::cede;	3374	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3375
		3376	cf::cede_to_tick;
		3377	}
		3378
		3379	while (my ($face, $info) = each %$faces) {
		3380	next unless $info->{smooth};
		3381
		3382	my $idx = cf::face::find $face
		3383	or next;
		3384
		3385	if (my $smooth = cf::face::find $info->{smooth}) {
		3386	cf::face::set_smooth $idx, $smooth;
		3387	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3388	} else {
		3389	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3390	}
		3391
		3392	cf::cede_to_tick;
		3393	}
		3394	}
		3395
2290	}	3396	{
		3397	my $anims = $facedata->{animinfo};
		3398
		3399	while (my ($anim, $info) = each %$anims) {
		3400	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3401	cf::cede_to_tick;
		3402	}
		3403
		3404	cf::anim::invalidate_all; # d'oh
		3405	}
		3406
		3407	{
		3408	my $res = $facedata->{resource};
		3409
		3410	while (my ($name, $info) = each %$res) {
		3411	if (defined $info->{type}) {
		3412	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3413
		3414	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3415	cf::face::set_type $idx, $info->{type};
		3416	} else {
		3417	$RESOURCE{$name} = $info;
		3418	}
		3419
		3420	cf::cede_to_tick;
		3421	}
		3422	}
		3423
		3424	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2291		3425
2292	1	3426	1
2293	}	3427	}
2294		3428
		3429	cf::global->attach (on_resource_update => sub {
		3430	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3431	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3432
		3433	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3434	my $sound = $soundconf->{compat}[$_]
		3435	or next;
		3436
		3437	my $face = cf::face::find "sound/$sound->[1]";
		3438	cf::sound::set $sound->[0] => $face;
		3439	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3440	}
		3441
		3442	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3443	my $face = cf::face::find "sound/$v";
		3444	cf::sound::set $k => $face;
		3445	}
		3446	}
		3447	});
		3448
		3449	register_exticmd fx_want => sub {
		3450	my ($ns, $want) = @_;
		3451
		3452	while (my ($k, $v) = each %$want) {
		3453	$ns->fx_want ($k, $v);
		3454	}
		3455	};
		3456
		3457	sub load_resource_file($) {
		3458	my $guard = lock_acquire "load_resource_file";
		3459
		3460	my $status = load_resource_file_ $_[0];
		3461	get_slot 0.1, 100;
		3462	cf::arch::commit_load;
		3463
		3464	$status
		3465	}
		3466
		3467	sub reload_regions {
		3468	# HACK to clear player env face cache, we need some signal framework
		3469	# for this (global event?)
		3470	%ext::player_env::MUSIC_FACE_CACHE = ();
		3471
		3472	load_resource_file "$MAPDIR/regions"
		3473	or die "unable to load regions file\n";
		3474
		3475	for (cf::region::list) {
		3476	$_->{match} = qr/$_->{match}/
		3477	if exists $_->{match};
		3478	}
		3479	}
		3480
		3481	sub reload_facedata {
		3482	load_facedata "$DATADIR/facedata"
		3483	or die "unable to load facedata\n";
		3484	}
		3485
		3486	sub reload_archetypes {
		3487	load_resource_file "$DATADIR/archetypes"
		3488	or die "unable to load archetypes\n";
		3489	}
		3490
		3491	sub reload_treasures {
		3492	load_resource_file "$DATADIR/treasures"
		3493	or die "unable to load treasurelists\n";
		3494	}
		3495
2295	sub reload_resources {	3496	sub reload_resources {
2296	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3497	warn "reloading resource files...\n";
2297	or die "unable to load regions file\n";#d#	3498
2298	load_faces	3499	reload_facedata;
2299	or die "unable to load faces\n";#d#	3500	reload_archetypes;
2300	}
2301
2302	sub init {
2303	reload_resources;	3501	reload_regions;
2304	}	3502	reload_treasures;
2305		3503
2306	sub cfg_load {	3504	warn "finished reloading resource files\n";
		3505	}
		3506
		3507	sub reload_config {
		3508	warn "reloading config file...\n";
		3509
2307	open my $fh, "<:utf8", cf::confdir . "/config"	3510	open my $fh, "<:utf8", "$CONFDIR/config"
2308	or return;	3511	or return;
2309		3512
2310	local $/;	3513	local $/;
2311	*CFG = YAML::Syck::Load <$fh>;	3514	*CFG = YAML::XS::Load scalar <$fh>;
2312		3515
2313	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3516	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2314		3517
2315	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3518	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2316	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3519	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2320	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3523	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2321	and die "WARNING: m(un)lockall failed: $!\n";	3524	and die "WARNING: m(un)lockall failed: $!\n";
2322	};	3525	};
2323	warn $@ if $@;	3526	warn $@ if $@;
2324	}	3527	}
		3528
		3529	warn "finished reloading resource files\n";
		3530	}
		3531
		3532	sub pidfile() {
		3533	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3534	or die "$PIDFILE: $!";
		3535	flock $fh, &Fcntl::LOCK_EX
		3536	or die "$PIDFILE: flock: $!";
		3537	$fh
		3538	}
		3539
		3540	# make sure only one server instance is running at any one time
		3541	sub atomic {
		3542	my $fh = pidfile;
		3543
		3544	my $pid = <$fh>;
		3545	kill 9, $pid if $pid > 0;
		3546
		3547	seek $fh, 0, 0;
		3548	print $fh $$;
		3549	}
		3550
		3551	sub main_loop {
		3552	warn "EV::loop starting\n";
		3553	if (1) {
		3554	EV::loop;
		3555	}
		3556	warn "EV::loop returned\n";
		3557	goto &main_loop unless $REALLY_UNLOOP;
2325	}	3558	}
2326		3559
2327	sub main {	3560	sub main {
		3561	cf::init_globals; # initialise logging
		3562
		3563	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3564	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3565	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3566	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3567
		3568	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3569
2328	# we must not ever block the main coroutine	3570	# we must not ever block the main coroutine
2329	local $Coro::idle = sub {	3571	local $Coro::idle = sub {
2330	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3572	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2331	(async {	3573	(async {
2332	Event::one_event;	3574	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3575	EV::loop EV::LOOP_ONESHOT;
2333	})->prio (Coro::PRIO_MAX);	3576	})->prio (Coro::PRIO_MAX);
2334	};	3577	};
2335		3578
2336	cfg_load;	3579	evthread_start IO::AIO::poll_fileno;
		3580
		3581	cf::sync_job {
		3582	cf::init_experience;
		3583	cf::init_anim;
		3584	cf::init_attackmess;
		3585	cf::init_dynamic;
		3586
		3587	cf::load_settings;
		3588	cf::load_materials;
		3589
		3590	reload_resources;
		3591	reload_config;
2337	db_init;	3592	db_init;
		3593
		3594	cf::init_uuid;
		3595	cf::init_signals;
		3596	cf::init_skills;
		3597
		3598	cf::init_beforeplay;
		3599
		3600	atomic;
		3601
2338	load_extensions;	3602	load_extensions;
2339		3603
2340	$TICK_WATCHER->start;	3604	utime time, time, $RUNTIMEFILE;
2341	Event::loop;	3605
		3606	# no (long-running) fork's whatsoever before this point(!)
		3607	use POSIX ();
		3608	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3609
		3610	(pop @POST_INIT)->(0) while @POST_INIT;
		3611	};
		3612
		3613	cf::object::thawer::errors_are_fatal 0;
		3614	warn "parse errors in files are no longer fatal from this point on.\n";
		3615
		3616	main_loop;
2342	}	3617	}
2343		3618
2344	#############################################################################	3619	#############################################################################
2345	# initialisation and cleanup	3620	# initialisation and cleanup
2346		3621
2347	# install some emergency cleanup handlers	3622	# install some emergency cleanup handlers
2348	BEGIN {	3623	BEGIN {
		3624	our %SIGWATCHER = ();
2349	for my $signal (qw(INT HUP TERM)) {	3625	for my $signal (qw(INT HUP TERM)) {
2350	Event->signal (	3626	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2351	reentrant => 0,
2352	data => WF_AUTOCANCEL,
2353	signal => $signal,
2354	prio => 0,
2355	cb => sub {
2356	cf::cleanup "SIG$signal";	3627	cf::cleanup "SIG$signal";
2357	},
2358	);	3628	};
		3629	}
		3630	}
		3631
		3632	sub write_runtime_sync {
		3633	my $t0 = AE::time;
		3634
		3635	# first touch the runtime file to show we are still running:
		3636	# the fsync below can take a very very long time.
		3637
		3638	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3639
		3640	my $guard = cf::lock_acquire "write_runtime";
		3641
		3642	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3643	or return;
		3644
		3645	my $value = $cf::RUNTIME + 90 + 10;
		3646	# 10 is the runtime save interval, for a monotonic clock
		3647	# 60 allows for the watchdog to kill the server.
		3648
		3649	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3650	and return;
		3651
		3652	# always fsync - this file is important
		3653	aio_fsync $fh
		3654	and return;
		3655
		3656	# touch it again to show we are up-to-date
		3657	aio_utime $fh, undef, undef;
		3658
		3659	close $fh
		3660	or return;
		3661
		3662	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3663	and return;
		3664
		3665	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3666
2359	}	3667	1
		3668	}
		3669
		3670	our $uuid_lock;
		3671	our $uuid_skip;
		3672
		3673	sub write_uuid_sync($) {
		3674	$uuid_skip ||= $_[0];
		3675
		3676	return if $uuid_lock;
		3677	local $uuid_lock = 1;
		3678
		3679	my $uuid = "$LOCALDIR/uuid";
		3680
		3681	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3682	or return;
		3683
		3684	my $value = uuid_seq uuid_cur;
		3685
		3686	unless ($value) {
		3687	warn "cowardly refusing to write zero uuid value!\n";
		3688	return;
		3689	}
		3690
		3691	my $value = uuid_str $value + $uuid_skip;
		3692	$uuid_skip = 0;
		3693
		3694	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3695	and return;
		3696
		3697	# always fsync - this file is important
		3698	aio_fsync $fh
		3699	and return;
		3700
		3701	close $fh
		3702	or return;
		3703
		3704	aio_rename "$uuid~", $uuid
		3705	and return;
		3706
		3707	warn "uuid file written ($value).\n";
		3708
		3709	1
		3710
		3711	}
		3712
		3713	sub write_uuid($$) {
		3714	my ($skip, $sync) = @_;
		3715
		3716	$sync ? write_uuid_sync $skip
		3717	: async { write_uuid_sync $skip };
2360	}	3718	}
2361		3719
2362	sub emergency_save() {	3720	sub emergency_save() {
2363	my $freeze_guard = cf::freeze_mainloop;	3721	my $freeze_guard = cf::freeze_mainloop;
2364		3722
2365	warn "enter emergency perl save\n";	3723	warn "emergency_perl_save: enter\n";
2366		3724
2367	cf::sync_job {	3725	cf::sync_job {
		3726	# this is a trade-off: we want to be very quick here, so
		3727	# save all maps without fsync, and later call a global sync
		3728	# (which in turn might be very very slow)
		3729	local $USE_FSYNC = 0;
		3730
2368	# use a peculiar iteration method to avoid tripping on perl	3731	# use a peculiar iteration method to avoid tripping on perl
2369	# refcount bugs in for. also avoids problems with players	3732	# refcount bugs in for. also avoids problems with players
2370	# and maps saved/destroyed asynchronously.	3733	# and maps saved/destroyed asynchronously.
2371	warn "begin emergency player save\n";	3734	warn "emergency_perl_save: begin player save\n";
2372	for my $login (keys %cf::PLAYER) {	3735	for my $login (keys %cf::PLAYER) {
2373	my $pl = $cf::PLAYER{$login} or next;	3736	my $pl = $cf::PLAYER{$login} or next;
2374	$pl->valid or next;	3737	$pl->valid or next;
		3738	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2375	$pl->save;	3739	$pl->save;
2376	}	3740	}
2377	warn "end emergency player save\n";	3741	warn "emergency_perl_save: end player save\n";
2378		3742
2379	warn "begin emergency map save\n";	3743	warn "emergency_perl_save: begin map save\n";
2380	for my $path (keys %cf::MAP) {	3744	for my $path (keys %cf::MAP) {
2381	my $map = $cf::MAP{$path} or next;	3745	my $map = $cf::MAP{$path} or next;
2382	$map->valid or next;	3746	$map->valid or next;
2383	$map->save;	3747	$map->save;
2384	}	3748	}
2385	warn "end emergency map save\n";	3749	warn "emergency_perl_save: end map save\n";
2386		3750
2387	warn "begin emergency database checkpoint\n";	3751	warn "emergency_perl_save: begin database checkpoint\n";
2388	BDB::db_env_txn_checkpoint $DB_ENV;	3752	BDB::db_env_txn_checkpoint $DB_ENV;
2389	warn "end emergency database checkpoint\n";	3753	warn "emergency_perl_save: end database checkpoint\n";
		3754
		3755	warn "emergency_perl_save: begin write uuid\n";
		3756	write_uuid_sync 1;
		3757	warn "emergency_perl_save: end write uuid\n";
2390	};	3758	};
2391		3759
		3760	warn "emergency_perl_save: starting sync()\n";
		3761	IO::AIO::aio_sync sub {
		3762	warn "emergency_perl_save: finished sync()\n";
		3763	};
		3764
2392	warn "leave emergency perl save\n";	3765	warn "emergency_perl_save: leave\n";
2393	}	3766	}
2394		3767
2395	sub post_cleanup {	3768	sub post_cleanup {
2396	my ($make_core) = @_;	3769	my ($make_core) = @_;
2397		3770
2398	warn Carp::longmess "post_cleanup backtrace"	3771	warn Carp::longmess "post_cleanup backtrace"
2399	if $make_core;	3772	if $make_core;
2400	}
2401		3773
		3774	my $fh = pidfile;
		3775	unlink $PIDFILE if <$fh> == $$;
		3776	}
		3777
		3778	# a safer delete_package, copied from Symbol
		3779	sub clear_package($) {
		3780	my $pkg = shift;
		3781
		3782	# expand to full symbol table name if needed
		3783	unless ($pkg =~ /^main::.*::$/) {
		3784	$pkg = "main$pkg" if $pkg =~ /^::/;
		3785	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3786	$pkg .= '::' unless $pkg =~ /::$/;
		3787	}
		3788
		3789	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3790	my $stem_symtab = *{$stem}{HASH};
		3791
		3792	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3793	or return;
		3794
		3795	# clear all symbols
		3796	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3797	for my $name (keys %$leaf_symtab) {
		3798	_gv_clear *{"$pkg$name"};
		3799	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3800	}
		3801	}
		3802
2402	sub reload() {	3803	sub do_reload_perl() {
2403	# can/must only be called in main	3804	# can/must only be called in main
2404	if ($Coro::current != $Coro::main) {	3805	if (in_main) {
2405	warn "can only reload from main coroutine";	3806	warn "can only reload from main coroutine";
2406	return;	3807	return;
2407	}	3808	}
2408		3809
		3810	return if $RELOAD++;
		3811
		3812	my $t1 = AE::time;
		3813
		3814	while ($RELOAD) {
2409	warn "reloading...";	3815	warn "reloading...";
2410		3816
2411	warn "entering sync_job";	3817	warn "entering sync_job";
2412		3818
2413	cf::sync_job {	3819	cf::sync_job {
2414	cf::write_runtime; # external watchdog should not bark	3820	cf::write_runtime_sync; # external watchdog should not bark
2415	cf::emergency_save;	3821	cf::emergency_save;
2416	cf::write_runtime; # external watchdog should not bark	3822	cf::write_runtime_sync; # external watchdog should not bark
2417		3823
2418	warn "syncing database to disk";	3824	warn "syncing database to disk";
2419	BDB::db_env_txn_checkpoint $DB_ENV;	3825	BDB::db_env_txn_checkpoint $DB_ENV;
2420		3826
2421	# if anything goes wrong in here, we should simply crash as we already saved	3827	# if anything goes wrong in here, we should simply crash as we already saved
2422		3828
2423	warn "cancelling all WF_AUTOCANCEL watchers";
2424	for (Event::all_watchers) {
2425	$_->cancel if $_->data & WF_AUTOCANCEL;
2426	}
2427
2428	warn "flushing outstanding aio requests";	3829	warn "flushing outstanding aio requests";
2429	for (;;) {
2430	BDB::flush;
2431	IO::AIO::flush;
2432	Coro::cede;
2433	last unless IO::AIO::nreqs || BDB::nreqs;	3830	while (IO::AIO::nreqs || BDB::nreqs) {
2434	warn "iterate...";	3831	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2435	}
2436
2437	++$RELOAD;
2438
2439	warn "cancelling all extension coros";
2440	$_->cancel for values %EXT_CORO;
2441	%EXT_CORO = ();
2442
2443	warn "removing commands";
2444	%COMMAND = ();
2445
2446	warn "removing ext commands";
2447	%EXTCMD = ();
2448
2449	warn "unloading/nuking all extensions";
2450	for my $pkg (@EXTS) {
2451	warn "... unloading $pkg";
2452
2453	if (my $cb = $pkg->can ("unload")) {
2454	eval {
2455	$cb->($pkg);
2456	1
2457	} or warn "$pkg unloaded, but with errors: $@";
2458	}	3832	}
2459		3833
2460	warn "... nuking $pkg";	3834	warn "cancelling all extension coros";
2461	Symbol::delete_package $pkg;	3835	$_->cancel for values %EXT_CORO;
2462	}	3836	%EXT_CORO = ();
2463		3837
2464	warn "unloading all perl modules loaded from $LIBDIR";	3838	warn "removing commands";
2465	while (my ($k, $v) = each %INC) {	3839	%COMMAND = ();
2466	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2467		3840
		3841	warn "removing ext/exti commands";
		3842	%EXTCMD = ();
		3843	%EXTICMD = ();
		3844
		3845	warn "unloading/nuking all extensions";
		3846	for my $pkg (@EXTS) {
2468	warn "... unloading $k";	3847	warn "... unloading $pkg";
2469	delete $INC{$k};
2470		3848
2471	$k =~ s/\.pm$//;
2472	$k =~ s/\//::/g;
2473
2474	if (my $cb = $k->can ("unload_module")) {	3849	if (my $cb = $pkg->can ("unload")) {
		3850	eval {
2475	$cb->();	3851	$cb->($pkg);
		3852	1
		3853	} or warn "$pkg unloaded, but with errors: $@";
		3854	}
		3855
		3856	warn "... clearing $pkg";
		3857	clear_package $pkg;
2476	}	3858	}
2477		3859
2478	Symbol::delete_package $k;	3860	warn "unloading all perl modules loaded from $LIBDIR";
		3861	while (my ($k, $v) = each %INC) {
		3862	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3863
		3864	warn "... unloading $k";
		3865	delete $INC{$k};
		3866
		3867	$k =~ s/\.pm$//;
		3868	$k =~ s/\//::/g;
		3869
		3870	if (my $cb = $k->can ("unload_module")) {
		3871	$cb->();
		3872	}
		3873
		3874	clear_package $k;
2479	}	3875	}
2480		3876
2481	warn "getting rid of safe::, as good as possible";	3877	warn "getting rid of safe::, as good as possible";
2482	Symbol::delete_package "safe::$_"	3878	clear_package "safe::$_"
2483	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3879	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2484		3880
2485	warn "unloading cf.pm \"a bit\"";	3881	warn "unloading cf.pm \"a bit\"";
2486	delete $INC{"cf.pm"};	3882	delete $INC{"cf.pm"};
		3883	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2487		3884
2488	# don't, removes xs symbols, too,	3885	# don't, removes xs symbols, too,
2489	# and global variables created in xs	3886	# and global variables created in xs
2490	#Symbol::delete_package __PACKAGE__;	3887	#clear_package __PACKAGE__;
2491		3888
2492	warn "unload completed, starting to reload now";	3889	warn "unload completed, starting to reload now";
2493		3890
2494	warn "reloading cf.pm";	3891	warn "reloading cf.pm";
2495	require cf;	3892	require cf;
2496	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3893	cf::_connect_to_perl_1;
2497		3894
2498	warn "loading config and database again";	3895	warn "loading config and database again";
2499	cf::cfg_load;	3896	cf::reload_config;
2500		3897
2501	warn "loading extensions";	3898	warn "loading extensions";
2502	cf::load_extensions;	3899	cf::load_extensions;
2503		3900
		3901	if ($REATTACH_ON_RELOAD) {
2504	warn "reattaching attachments to objects/players";	3902	warn "reattaching attachments to objects/players";
2505	_global_reattach; # objects, sockets	3903	_global_reattach; # objects, sockets
2506	warn "reattaching attachments to maps";	3904	warn "reattaching attachments to maps";
2507	reattach $_ for values %MAP;	3905	reattach $_ for values %MAP;
2508	warn "reattaching attachments to players";	3906	warn "reattaching attachments to players";
2509	reattach $_ for values %PLAYER;	3907	reattach $_ for values %PLAYER;
		3908	}
2510		3909
2511	warn "loading reloadable resources";	3910	warn "running post_init jobs";
2512	reload_resources;	3911	(pop @POST_INIT)->(1) while @POST_INIT;
2513		3912
2514	warn "leaving sync_job";	3913	warn "leaving sync_job";
2515		3914
2516	1	3915	1
2517	} or do {	3916	} or do {
2518	warn $@;	3917	warn $@;
2519	warn "error while reloading, exiting.";	3918	cf::cleanup "error while reloading, exiting.";
2520	exit 1;	3919	};
		3920
		3921	warn "reloaded";
		3922	--$RELOAD;
		3923	}
		3924
		3925	$t1 = AE::time - $t1;
		3926	warn "reload completed in ${t1}s\n";
		3927	};
		3928
		3929	our $RELOAD_WATCHER; # used only during reload
		3930
		3931	sub reload_perl() {
		3932	# doing reload synchronously and two reloads happen back-to-back,
		3933	# coro crashes during coro_state_free->destroy here.
		3934
		3935	$RELOAD_WATCHER ||= cf::async {
		3936	Coro::AIO::aio_wait cache_extensions;
		3937
		3938	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3939	do_reload_perl;
		3940	undef $RELOAD_WATCHER;
		3941	};
2521	};	3942	};
2522		3943	}
2523	warn "reloaded";
2524	};
2525
2526	our $RELOAD_WATCHER; # used only during reload
2527		3944
2528	register_command "reload" => sub {	3945	register_command "reload" => sub {
2529	my ($who, $arg) = @_;	3946	my ($who, $arg) = @_;
2530		3947
2531	if ($who->flag (FLAG_WIZ)) {	3948	if ($who->flag (FLAG_WIZ)) {
2532	$who->message ("reloading server.");	3949	$who->message ("reloading server.");
2533		3950	async {
2534	# doing reload synchronously and two reloads happen back-to-back,	3951	$Coro::current->{desc} = "perl_reload";
2535	# coro crashes during coro_state_free->destroy here.
2536
2537	$RELOAD_WATCHER ||= Event->timer (
2538	reentrant => 0,
2539	after => 0,
2540	data => WF_AUTOCANCEL,
2541	cb => sub {
2542	reload;	3952	reload_perl;
2543	undef $RELOAD_WATCHER;
2544	},
2545	);	3953	};
2546	}	3954	}
2547	};	3955	};
2548		3956
2549	unshift @INC, $LIBDIR;	3957	unshift @INC, $LIBDIR;
2550		3958
2551	my $bug_warning = 0;	3959	my $bug_warning = 0;
2552		3960
2553	$TICK_WATCHER = Event->timer (	3961	our @WAIT_FOR_TICK;
2554	reentrant => 0,	3962	our @WAIT_FOR_TICK_BEGIN;
2555	parked => 1,	3963
2556	prio => 0,	3964	sub wait_for_tick {
2557	at => $NEXT_TICK || $TICK,	3965	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2558	data => WF_AUTOCANCEL,	3966
2559	cb => sub {	3967	my $signal = new Coro::Signal;
		3968	push @WAIT_FOR_TICK, $signal;
		3969	$signal->wait;
		3970	}
		3971
		3972	sub wait_for_tick_begin {
		3973	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3974
		3975	my $signal = new Coro::Signal;
		3976	push @WAIT_FOR_TICK_BEGIN, $signal;
		3977	$signal->wait;
		3978	}
		3979
		3980	sub tick {
2560	if ($Coro::current != $Coro::main) {	3981	if ($Coro::current != $Coro::main) {
2561	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3982	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2562	unless ++$bug_warning > 10;	3983	unless ++$bug_warning > 10;
2563	return;	3984	return;
2564	}	3985	}
2565		3986
2566	$NOW = Event::time;
2567
2568	cf::server_tick; # one server iteration	3987	cf::server_tick; # one server iteration
2569	$RUNTIME += $TICK;
2570	$NEXT_TICK += $TICK;
2571		3988
		3989	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		3990
2572	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3991	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2573	$NEXT_RUNTIME_WRITE = $NOW + 10;	3992	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2574	Coro::async_pool {	3993	Coro::async_pool {
		3994	$Coro::current->{desc} = "runtime saver";
2575	write_runtime	3995	write_runtime_sync
2576	or warn "ERROR: unable to write runtime file: $!";	3996	or warn "ERROR: unable to write runtime file: $!";
2577	};
2578	}	3997	};
2579
2580	$WAIT_FOR_TICK->broadcast;
2581	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2582
2583	# my $AFTER = Event::time;
2584	# warn $AFTER - $NOW;#d#
2585
2586	# if we are delayed by four ticks or more, skip them all
2587	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2588
2589	$TICK_WATCHER->at ($NEXT_TICK);
2590	$TICK_WATCHER->start;
2591	},	3998	}
2592	);	3999
		4000	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4001	$sig->send;
		4002	}
		4003	while (my $sig = shift @WAIT_FOR_TICK) {
		4004	$sig->send;
		4005	}
		4006
		4007	$LOAD = ($NOW - $TICK_START) / $TICK;
		4008	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4009
		4010	if (0) {
		4011	if ($NEXT_TICK) {
		4012	my $jitter = $TICK_START - $NEXT_TICK;
		4013	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4014	warn "jitter $JITTER\n";#d#
		4015	}
		4016	}
		4017	}
2593		4018
2594	{	4019	{
2595	BDB::max_poll_time $TICK * 0.1;	4020	# configure BDB
2596	$BDB_POLL_WATCHER = Event->io (	4021
2597	reentrant => 0,
2598	fd => BDB::poll_fileno,
2599	poll => 'r',
2600	prio => 0,
2601	data => WF_AUTOCANCEL,
2602	cb => \&BDB::poll_cb,
2603	);
2604	BDB::min_parallel 8;	4022	BDB::min_parallel 16;
2605		4023	BDB::max_poll_reqs $TICK * 0.1;
2606	BDB::set_sync_prepare {	4024	$AnyEvent::BDB::WATCHER->priority (1);
2607	my $status;
2608	my $current = $Coro::current;
2609	(
2610	sub {
2611	$status = $!;
2612	$current->ready; undef $current;
2613	},
2614	sub {
2615	Coro::schedule while defined $current;
2616	$! = $status;
2617	},
2618	)
2619	};
2620		4025
2621	unless ($DB_ENV) {	4026	unless ($DB_ENV) {
2622	$DB_ENV = BDB::db_env_create;	4027	$DB_ENV = BDB::db_env_create;
		4028	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4029	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4030	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4031	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4032	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2623		4033
2624	cf::sync_job {	4034	cf::sync_job {
2625	eval {	4035	eval {
2626	BDB::db_env_open	4036	BDB::db_env_open
2627	$DB_ENV,	4037	$DB_ENV,
2628	$BDB_ENV_DIR,	4038	$BDBDIR,
2629	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4039	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2630	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4040	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2631	0666;	4041	0666;
2632		4042
2633	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4043	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2634
2635	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2636	$DB_ENV->set_lk_detect;
2637	};	4044	};
2638		4045
2639	cf::cleanup "db_env_open(db): $@" if $@;	4046	cf::cleanup "db_env_open(db): $@" if $@;
2640	};	4047	};
2641	}	4048	}
		4049
		4050	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4051	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4052	};
		4053	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4054	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4055	};
		4056	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4057	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4058	};
2642	}	4059	}
2643		4060
2644	{	4061	{
		4062	# configure IO::AIO
		4063
2645	IO::AIO::min_parallel 8;	4064	IO::AIO::min_parallel 8;
2646
2647	undef $Coro::AIO::WATCHER;
2648	IO::AIO::max_poll_time $TICK * 0.1;	4065	IO::AIO::max_poll_time $TICK * 0.1;
2649	$AIO_POLL_WATCHER = Event->io (	4066	undef $AnyEvent::AIO::WATCHER;
2650	reentrant => 0,
2651	data => WF_AUTOCANCEL,
2652	fd => IO::AIO::poll_fileno,
2653	poll => 'r',
2654	prio => 6,
2655	cb => \&IO::AIO::poll_cb,
2656	);
2657	}	4067	}
		4068
		4069	my $_log_backtrace;
		4070
		4071	sub _log_backtrace {
		4072	my ($msg, @addr) = @_;
		4073
		4074	$msg =~ s/\n//;
		4075
		4076	# limit the # of concurrent backtraces
		4077	if ($_log_backtrace < 2) {
		4078	++$_log_backtrace;
		4079	my $perl_bt = Carp::longmess $msg;
		4080	async {
		4081	$Coro::current->{desc} = "abt $msg";
		4082
		4083	my @bt = fork_call {
		4084	@addr = map { sprintf "%x", $_ } @addr;
		4085	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4086	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4087	or die "addr2line: $!";
		4088
		4089	my @funcs;
		4090	my @res = <$fh>;
		4091	chomp for @res;
		4092	while (@res) {
		4093	my ($func, $line) = splice @res, 0, 2, ();
		4094	push @funcs, "[$func] $line";
		4095	}
		4096
		4097	@funcs
		4098	};
		4099
		4100	LOG llevInfo, "[ABT] $perl_bt\n";
		4101	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4102	LOG llevInfo, "[ABT] $_\n" for @bt;
		4103	--$_log_backtrace;
		4104	};
		4105	} else {
		4106	LOG llevInfo, "[ABT] $msg\n";
		4107	LOG llevInfo, "[ABT] [suppressed]\n";
		4108	}
		4109	}
		4110
		4111	# load additional modules
		4112	require "cf/$_.pm" for @EXTRA_MODULES;
		4113	cf::_connect_to_perl_2;
2658		4114
2659	END { cf::emergency_save }	4115	END { cf::emergency_save }
2660		4116
2661	1	4117	1
2662		4118

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