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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.250 by root, Wed Apr 18 14:24:10 2007 UTC vs.
Revision 1.456 by root, Tue Sep 30 04:00:35 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
15	use Coro 3.61 ();	37	use Coro ();
16	use Coro::State;	38	use Coro::State;
17	use Coro::Handle;	39	use Coro::Handle;
		40	use Coro::EV;
18	use Coro::Event;	41	use Coro::AnyEvent;
19	use Coro::Timer;	42	use Coro::Timer;
20	use Coro::Signal;	43	use Coro::Signal;
21	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
22	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
23	use Coro::Storable;	48	use Coro::Storable;
		49	use Coro::Util ();
24		50
		51	use JSON::XS 2.01 ();
25	use BDB ();	52	use BDB ();
26	use Data::Dumper;	53	use Data::Dumper;
27	use Digest::MD5;	54	use Digest::MD5;
28	use Fcntl;	55	use Fcntl;
29	use YAML::Syck ();	56	use YAML ();
30	use IO::AIO 2.32 ();	57	use IO::AIO ();
31	use Time::HiRes;	58	use Time::HiRes;
32	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
33		63
34	# configure various modules to our taste	64	# configure various modules to our taste
35	#	65	#
36	$Storable::canonical = 1; # reduce rsync transfers	66	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		68
		69	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		70
		71	# make sure c-lzf reinitialises itself
		72	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	73	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		74
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		76
49	our %COMMAND = ();	77	our %COMMAND = ();
50	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
51		79
52	our @EXTS = (); # list of extension package names	80	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	81	our %EXTCMD = ();
		82	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	83	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	84	our %EXT_MAP = (); # pluggable maps
56		85
57	our $RELOAD; # number of reloads so far	86	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	87	our @EVENT;
59	our $LIBDIR = datadir . "/ext";	88
		89	our $CONFDIR = confdir;
		90	our $DATADIR = datadir;
		91	our $LIBDIR = "$DATADIR/ext";
		92	our $PODDIR = "$DATADIR/pod";
		93	our $MAPDIR = "$DATADIR/" . mapdir;
		94	our $LOCALDIR = localdir;
		95	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		96	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		97	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		98	our $RANDOMDIR = "$LOCALDIR/random";
		99	our $BDBDIR = "$LOCALDIR/db";
		100	our $PIDFILE = "$LOCALDIR/pid";
		101	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		102
		103	our %RESOURCE;
60		104
61	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	105	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
62	our $TICK_WATCHER;
63	our $AIO_POLL_WATCHER;
64	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
65	our $NEXT_TICK;	107	our $NEXT_TICK;
66	our $NOW;
67	our $USE_FSYNC = 1; # use fsync to write maps - default off	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
68		109
		110	our $BDB_DEADLOCK_WATCHER;
		111	our $BDB_CHECKPOINT_WATCHER;
69	our $BDB_POLL_WATCHER;	112	our $BDB_TRICKLE_WATCHER;
70	our $DB_ENV;	113	our $DB_ENV;
71		114
72	our %CFG;	115	our %CFG;
73		116
74	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
75	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
76		120
77	our %PLAYER; # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
78	our %MAP; # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
79	our $LINK_MAP; # the special {link} map, which is always available	123	our $LINK_MAP; # the special {link} map, which is always available
80	our $RANDOM_MAPS = cf::localdir . "/random";
81	our $BDB_ENV_DIR = cf::localdir . "/db";
82		124
83	# used to convert map paths into valid unix filenames by replacing / by ∕	125	# used to convert map paths into valid unix filenames by replacing / by ∕
84	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
85		127
		128	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		129	our $LOADAVG; # same thing, but with alpha-smoothing
		130	our $JITTER; # average jitter
		131	our $TICK_START; # for load detecting purposes
		132
		133	our @POST_INIT;
		134
86	binmode STDOUT;	135	binmode STDOUT;
87	binmode STDERR;	136	binmode STDERR;
88		137
89	# read virtual server time, if available	138	# read virtual server time, if available
90	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	139	unless ($RUNTIME || !-e $RUNTIMEFILE) {
91	open my $fh, "<", cf::localdir . "/runtime"	140	open my $fh, "<", $RUNTIMEFILE
92	or die "unable to read runtime file: $!";	141	or die "unable to read $RUNTIMEFILE file: $!";
93	$RUNTIME = <$fh> + 0.;	142	$RUNTIME = <$fh> + 0.;
94	}	143	}
95		144
96	mkdir cf::localdir;	145	mkdir $_
97	mkdir cf::localdir . "/" . cf::playerdir;	146	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
98	mkdir cf::localdir . "/" . cf::tmpdir;
99	mkdir cf::localdir . "/" . cf::uniquedir;
100	mkdir $RANDOM_MAPS;
101	mkdir $BDB_ENV_DIR;
102		147
103	our $EMERGENCY_POSITION;	148	our $EMERGENCY_POSITION;
104		149
105	sub cf::map::normalise;	150	sub cf::map::normalise;
106		151
…		…
117	=item $cf::RUNTIME	162	=item $cf::RUNTIME
118		163
119	The time this server has run, starts at 0 and is increased by $cf::TICK on	164	The time this server has run, starts at 0 and is increased by $cf::TICK on
120	every server tick.	165	every server tick.
121		166
122	=item $cf::LIBDIR	167	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		168	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		169	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
123		170
124	The perl library directory, where extensions and cf-specific modules can	171	Various directories - "/etc", read-only install directory, perl-library
125	be found. It will be added to C<@INC> automatically.	172	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		173	unique-items directory, player file directory, random maps directory and
		174	database environment.
126		175
127	=item $cf::NOW	176	=item $cf::NOW
128		177
129	The time of the last (current) server tick.	178	The time of the last (current) server tick.
130		179
131	=item $cf::TICK	180	=item $cf::TICK
132		181
133	The interval between server ticks, in seconds.	182	The interval between server ticks, in seconds.
134		183
		184	=item $cf::LOADAVG
		185
		186	The current CPU load on the server (alpha-smoothed), as a value between 0
		187	(none) and 1 (overloaded), indicating how much time is spent on processing
		188	objects per tick. Healthy values are < 0.5.
		189
		190	=item $cf::LOAD
		191
		192	The raw value load value from the last tick.
		193
135	=item %cf::CFG	194	=item %cf::CFG
136		195
137	Configuration for the server, loaded from C</etc/crossfire/config>, or	196	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
138	from wherever your confdir points to.	197	from wherever your confdir points to.
139		198
140	=item cf::wait_for_tick, cf::wait_for_tick_begin	199	=item cf::wait_for_tick, cf::wait_for_tick_begin
141		200
142	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	201	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
143	returns directly I<after> the tick processing (and consequently, can only wake one process	202	returns directly I<after> the tick processing (and consequently, can only wake one process
144	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	203	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
145		204
		205	=item @cf::INVOKE_RESULTS
		206
		207	This array contains the results of the last C<invoke ()> call. When
		208	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		209	that call.
		210
146	=back	211	=back
147		212
148	=cut	213	=cut
149		214
150	BEGIN {	215	BEGIN {
…		…
152	my $msg = join "", @_;	217	my $msg = join "", @_;
153		218
154	$msg .= "\n"	219	$msg .= "\n"
155	unless $msg =~ /\n$/;	220	unless $msg =~ /\n$/;
156		221
157	$msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	222	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
158		223
159	utf8::encode $msg;
160	LOG llevError, $msg;	224	LOG llevError, $msg;
161	};	225	};
162	}	226	}
		227
		228	$Coro::State::DIEHOOK = sub {
		229	return unless $^S eq 0; # "eq", not "=="
		230
		231	if ($Coro::current == $Coro::main) {#d#
		232	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		233	return;#d#
		234	}#d#
		235
		236	# kill coroutine otherwise
		237	warn Carp::longmess $_[0];
		238	Coro::terminate
		239	};
		240
		241	$SIG{__DIE__} = sub { }; #d#?
163		242
164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	243	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	244	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	245	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	246	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	247	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		248	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
169	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	249	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
170		250
171	# we bless all objects into (empty) derived classes to force a method lookup	251	# we bless all objects into (empty) derived classes to force a method lookup
172	# within the Safe compartment.	252	# within the Safe compartment.
173	for my $pkg (qw(	253	for my $pkg (qw(
174	cf::global cf::attachable	254	cf::global cf::attachable
175	cf::object cf::object::player	255	cf::object cf::object::player
176	cf::client cf::player	256	cf::client cf::player
177	cf::arch cf::living	257	cf::arch cf::living
		258	cf::map cf::mapspace
178	cf::map cf::party cf::region	259	cf::party cf::region
179	)) {	260	)) {
180	no strict 'refs';
181	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	261	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
182	}	262	}
183		263
184	$Event::DIED = sub {	264	$EV::DIED = sub {
185	warn "error in event callback: @_";	265	warn "error in event callback: @_";
186	};	266	};
		267
		268	#############################################################################
187		269
188	=head2 UTILITY FUNCTIONS	270	=head2 UTILITY FUNCTIONS
189		271
190	=over 4	272	=over 4
191		273
…		…
210	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	292	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
211	$d	293	$d
212	} || "[unable to dump $_[0]: '$@']";	294	} || "[unable to dump $_[0]: '$@']";
213	}	295	}
214		296
215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
216
217	=item $ref = cf::from_json $json	297	=item $ref = cf::decode_json $json
218		298
219	Converts a JSON string into the corresponding perl data structure.	299	Converts a JSON string into the corresponding perl data structure.
220		300
221	=item $json = cf::to_json $ref	301	=item $json = cf::encode_json $ref
222		302
223	Converts a perl data structure into its JSON representation.	303	Converts a perl data structure into its JSON representation.
		304
		305	=cut
		306
		307	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		308
		309	sub encode_json($) { $json_coder->encode ($_[0]) }
		310	sub decode_json($) { $json_coder->decode ($_[0]) }
		311
		312	=item cf::post_init { BLOCK }
		313
		314	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		315	but I<before> the server starts ticking again.
		316
		317	The cdoeblock will have a single boolean argument to indicate whether this
		318	is a reload or not.
		319
		320	=cut
		321
		322	sub post_init(&) {
		323	push @POST_INIT, shift;
		324	}
224		325
225	=item cf::lock_wait $string	326	=item cf::lock_wait $string
226		327
227	Wait until the given lock is available. See cf::lock_acquire.	328	Wait until the given lock is available. See cf::lock_acquire.
228		329
…		…
231	Wait until the given lock is available and then acquires it and returns	332	Wait until the given lock is available and then acquires it and returns
232	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	333	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
233	for example when the coroutine gets canceled), the lock is automatically	334	for example when the coroutine gets canceled), the lock is automatically
234	returned.	335	returned.
235		336
		337	Locks are *not* recursive, locking from the same coro twice results in a
		338	deadlocked coro.
		339
236	Lock names should begin with a unique identifier (for example, cf::map::find	340	Lock names should begin with a unique identifier (for example, cf::map::find
237	uses map_find and cf::map::load uses map_load).	341	uses map_find and cf::map::load uses map_load).
238		342
		343	=item $locked = cf::lock_active $string
		344
		345	Return true if the lock is currently active, i.e. somebody has locked it.
		346
239	=cut	347	=cut
240		348
241	our %LOCK;	349	our %LOCK;
		350	our %LOCKER;#d#
242		351
243	sub lock_wait($) {	352	sub lock_wait($) {
244	my ($key) = @_;	353	my ($key) = @_;
245		354
		355	if ($LOCKER{$key} == $Coro::current) {#d#
		356	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		357	return;#d#
		358	}#d#
		359
246	# wait for lock, if any	360	# wait for lock, if any
247	while ($LOCK{$key}) {	361	while ($LOCK{$key}) {
		362	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
248	push @{ $LOCK{$key} }, $Coro::current;	363	push @{ $LOCK{$key} }, $Coro::current;
249	Coro::schedule;	364	Coro::schedule;
250	}	365	}
251	}	366	}
252		367
…		…
255		370
256	# wait, to be sure we are not locked	371	# wait, to be sure we are not locked
257	lock_wait $key;	372	lock_wait $key;
258		373
259	$LOCK{$key} = [];	374	$LOCK{$key} = [];
		375	$LOCKER{$key} = $Coro::current;#d#
260		376
261	Coro::guard {	377	Coro::guard {
		378	delete $LOCKER{$key};#d#
262	# wake up all waiters, to be on the safe side	379	# wake up all waiters, to be on the safe side
263	$_->ready for @{ delete $LOCK{$key} };	380	$_->ready for @{ delete $LOCK{$key} };
264	}	381	}
265	}	382	}
266		383
		384	sub lock_active($) {
		385	my ($key) = @_;
		386
		387	! ! $LOCK{$key}
		388	}
		389
267	sub freeze_mainloop {	390	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	391	tick_inhibit_inc;
269		392
270	my $guard = Coro::guard {	393	Coro::guard \&tick_inhibit_dec;
271	$TICK_WATCHER->start;	394	}
		395
		396	=item cf::periodic $interval, $cb
		397
		398	Like EV::periodic, but randomly selects a starting point so that the actions
		399	get spread over timer.
		400
		401	=cut
		402
		403	sub periodic($$) {
		404	my ($interval, $cb) = @_;
		405
		406	my $start = rand List::Util::min 180, $interval;
		407
		408	EV::periodic $start, $interval, 0, $cb
		409	}
		410
		411	=item cf::get_slot $time[, $priority[, $name]]
		412
		413	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		414	This call blocks and returns only when you have at least C<$time> seconds
		415	of cpu time till the next tick. The slot is only valid till the next cede.
		416
		417	The optional C<$name> can be used to identify the job to run. It might be
		418	used for statistical purposes and should identify the same time-class.
		419
		420	Useful for short background jobs.
		421
		422	=cut
		423
		424	our @SLOT_QUEUE;
		425	our $SLOT_QUEUE;
		426
		427	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		428	$SLOT_QUEUE = Coro::async {
		429	$Coro::current->desc ("timeslot manager");
		430
		431	my $signal = new Coro::Signal;
		432
		433	while () {
		434	next_job:
		435	my $avail = cf::till_tick;
		436	if ($avail > 0.01) {
		437	for (0 .. $#SLOT_QUEUE) {
		438	if ($SLOT_QUEUE[$_][0] < $avail) {
		439	my $job = splice @SLOT_QUEUE, $_, 1, ();
		440	$job->[2]->send;
		441	Coro::cede;
		442	goto next_job;
		443	}
		444	}
		445	}
		446
		447	if (@SLOT_QUEUE) {
		448	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		449	push @cf::WAIT_FOR_TICK, $signal;
		450	$signal->wait;
		451	} else {
		452	Coro::schedule;
		453	}
272	};	454	}
273	$TICK_WATCHER->stop;	455	};
274	$guard	456
		457	sub get_slot($;$$) {
		458	return if tick_inhibit || $Coro::current == $Coro::main;
		459
		460	my ($time, $pri, $name) = @_;
		461
		462	$time = $TICK * .6 if $time > $TICK * .6;
		463	my $sig = new Coro::Signal;
		464
		465	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		466	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		467	$SLOT_QUEUE->ready;
		468	$sig->wait;
275	}	469	}
276		470
277	=item cf::async { BLOCK }	471	=item cf::async { BLOCK }
278		472
279	Currently the same as Coro::async_pool, meaning you cannot use	473	Currently the same as Coro::async_pool, meaning you cannot use
…		…
284		478
285	BEGIN { *async = \&Coro::async_pool }	479	BEGIN { *async = \&Coro::async_pool }
286		480
287	=item cf::sync_job { BLOCK }	481	=item cf::sync_job { BLOCK }
288		482
289	The design of crossfire+ requires that the main coro ($Coro::main) is	483	The design of Deliantra requires that the main coroutine ($Coro::main)
290	always able to handle events or runnable, as crossfire+ is only partly	484	is always able to handle events or runnable, as Deliantra is only
291	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	485	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		486	acceptable.
292		487
293	If it must be done, put the blocking parts into C<sync_job>. This will run	488	If it must be done, put the blocking parts into C<sync_job>. This will run
294	the given BLOCK in another coroutine while waiting for the result. The	489	the given BLOCK in another coroutine while waiting for the result. The
295	server will be frozen during this time, so the block should either finish	490	server will be frozen during this time, so the block should either finish
296	fast or be very important.	491	fast or be very important.
…		…
299		494
300	sub sync_job(&) {	495	sub sync_job(&) {
301	my ($job) = @_;	496	my ($job) = @_;
302		497
303	if ($Coro::current == $Coro::main) {	498	if ($Coro::current == $Coro::main) {
		499	my $time = EV::time;
		500
304	# this is the main coro, too bad, we have to block	501	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	502	# till the operation succeeds, freezing the server :/
306		503
307	# TODO: use suspend/resume instead	504	LOG llevError, Carp::longmess "sync job";#d#
308	# (but this is cancel-safe)	505
309	my $freeze_guard = freeze_mainloop;	506	my $freeze_guard = freeze_mainloop;
310		507
311	my $busy = 1;	508	my $busy = 1;
312	my @res;	509	my @res;
313		510
314	(async {	511	(async {
		512	$Coro::current->desc ("sync job coro");
315	@res = eval { $job->() };	513	@res = eval { $job->() };
316	warn $@ if $@;	514	warn $@ if $@;
317	undef $busy;	515	undef $busy;
318	})->prio (Coro::PRIO_MAX);	516	})->prio (Coro::PRIO_MAX);
319		517
320	while ($busy) {	518	while ($busy) {
321	Coro::cede or Event::one_event;	519	if (Coro::nready) {
		520	Coro::cede_notself;
		521	} else {
		522	EV::loop EV::LOOP_ONESHOT;
322	}	523	}
		524	}
		525
		526	my $time = EV::time - $time;
		527
		528	$TICK_START += $time; # do not account sync jobs to server load
323		529
324	wantarray ? @res : $res[0]	530	wantarray ? @res : $res[0]
325	} else {	531	} else {
326	# we are in another coroutine, how wonderful, everything just works	532	# we are in another coroutine, how wonderful, everything just works
327		533
…		…
347	$EXT_CORO{$coro+0} = $coro;	553	$EXT_CORO{$coro+0} = $coro;
348		554
349	$coro	555	$coro
350	}	556	}
351		557
352	sub write_runtime {	558	=item fork_call { }, $args
353	my $guard = cf::lock_acquire "write_runtime";
354		559
355	my $runtime = cf::localdir . "/runtime";	560	Executes the given code block with the given arguments in a seperate
		561	process, returning the results. Everything must be serialisable with
		562	Coro::Storable. May, of course, block. Note that the executed sub may
		563	never block itself or use any form of event handling.
356		564
357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	565	=cut
358	or return;
359		566
360	my $value = $cf::RUNTIME + 90 + 10;	567	sub fork_call(&@) {
361	# 10 is the runtime save interval, for a monotonic clock	568	my ($cb, @args) = @_;
362	# 60 allows for the watchdog to kill the server.
363		569
364	(aio_write $fh, 0, (length $value), $value, 0) <= 0	570	# we seemingly have to make a local copy of the whole thing,
365	and return;	571	# otherwise perl prematurely frees the stuff :/
		572	# TODO: investigate and fix (likely this will be rather laborious)
366		573
367	# always fsync - this file is important	574	my @res = Coro::Util::fork_eval {
368	aio_fsync $fh	575	reset_signals;
369	and return;	576	&$cb
		577	}, @args;
370		578
371	close $fh	579	wantarray ? @res : $res[-1]
372	or return;	580	}
373		581
374	aio_rename "$runtime~", $runtime	582	=item $coin = coin_from_name $name
375	and return;
376		583
		584	=cut
		585
		586	our %coin_alias = (
		587	"silver" => "silvercoin",
		588	"silvercoin" => "silvercoin",
		589	"silvercoins" => "silvercoin",
		590	"gold" => "goldcoin",
		591	"goldcoin" => "goldcoin",
		592	"goldcoins" => "goldcoin",
		593	"platinum" => "platinacoin",
		594	"platinumcoin" => "platinacoin",
		595	"platinumcoins" => "platinacoin",
		596	"platina" => "platinacoin",
		597	"platinacoin" => "platinacoin",
		598	"platinacoins" => "platinacoin",
		599	"royalty" => "royalty",
		600	"royalties" => "royalty",
		601	);
		602
		603	sub coin_from_name($) {
		604	$coin_alias{$_[0]}
		605	? cf::arch::find $coin_alias{$_[0]}
		606	: undef
		607	}
		608
		609	=item $value = cf::db_get $family => $key
		610
		611	Returns a single value from the environment database.
		612
		613	=item cf::db_put $family => $key => $value
		614
		615	Stores the given C<$value> in the family. It can currently store binary
		616	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		617
		618	=item $db = cf::db_table "name"
		619
		620	Create and/or open a new database table. The string must not be "db" and must be unique
		621	within each server.
		622
		623	=cut
		624
		625	sub db_table($) {
		626	my ($name) = @_;
		627	my $db = BDB::db_create $DB_ENV;
		628
		629	eval {
		630	$db->set_flags (BDB::CHKSUM);
		631
		632	utf8::encode $name;
		633	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		634	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		635	cf::cleanup "db_open(db): $!" if $!;
		636	};
		637	cf::cleanup "db_open(db): $@" if $@;
		638
		639	$db
		640	}
		641
		642	our $DB;
		643
		644	sub db_init {
		645	cf::sync_job {
		646	$DB ||= db_table "db";
		647	};
		648	}
		649
		650	sub db_get($$) {
		651	my $key = "$_[0]/$_[1]";
		652
		653	cf::sync_job {
		654	BDB::db_get $DB, undef, $key, my $data;
		655
		656	$! ? ()
		657	: $data
377	1	658	}
		659	}
		660
		661	sub db_put($$$) {
		662	BDB::dbreq_pri 4;
		663	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		664	}
		665
		666	=item cf::cache $id => [$paths...], $processversion => $process
		667
		668	Generic caching function that returns the value of the resource $id,
		669	caching and regenerating as required.
		670
		671	This function can block.
		672
		673	=cut
		674
		675	sub cache {
		676	my ($id, $src, $processversion, $process) = @_;
		677
		678	my $meta =
		679	join "\x00",
		680	$processversion,
		681	map {
		682	aio_stat $_
		683	and Carp::croak "$_: $!";
		684
		685	($_, (stat _)[7,9])
		686	} @$src;
		687
		688	my $dbmeta = db_get cache => "$id/meta";
		689	if ($dbmeta ne $meta) {
		690	# changed, we may need to process
		691
		692	my @data;
		693	my $md5;
		694
		695	for (0 .. $#$src) {
		696	0 <= aio_load $src->[$_], $data[$_]
		697	or Carp::croak "$src->[$_]: $!";
		698	}
		699
		700	# if processing is expensive, check
		701	# checksum first
		702	if (1) {
		703	$md5 =
		704	join "\x00",
		705	$processversion,
		706	map {
		707	cf::cede_to_tick;
		708	($src->[$_], Digest::MD5::md5_hex $data[$_])
		709	} 0.. $#$src;
		710
		711
		712	my $dbmd5 = db_get cache => "$id/md5";
		713	if ($dbmd5 eq $md5) {
		714	db_put cache => "$id/meta", $meta;
		715
		716	return db_get cache => "$id/data";
		717	}
		718	}
		719
		720	my $t1 = Time::HiRes::time;
		721	my $data = $process->(\@data);
		722	my $t2 = Time::HiRes::time;
		723
		724	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		725
		726	db_put cache => "$id/data", $data;
		727	db_put cache => "$id/md5" , $md5;
		728	db_put cache => "$id/meta", $meta;
		729
		730	return $data;
		731	}
		732
		733	db_get cache => "$id/data"
378	}	734	}
379		735
380	=item cf::datalog type => key => value, ...	736	=item cf::datalog type => key => value, ...
381		737
382	Log a datalog packet of the given type with the given key-value pairs.	738	Log a datalog packet of the given type with the given key-value pairs.
…		…
394		750
395	#############################################################################	751	#############################################################################
396		752
397	=head2 ATTACHABLE OBJECTS	753	=head2 ATTACHABLE OBJECTS
398		754
399	Many objects in crossfire are so-called attachable objects. That means you can	755	Many objects in deliantra are so-called attachable objects. That means you can
400	attach callbacks/event handlers (a collection of which is called an "attachment")	756	attach callbacks/event handlers (a collection of which is called an "attachment")
401	to it. All such attachable objects support the following methods.	757	to it. All such attachable objects support the following methods.
402		758
403	In the following description, CLASS can be any of C<global>, C<object>	759	In the following description, CLASS can be any of C<global>, C<object>
404	C<player>, C<client> or C<map> (i.e. the attachable objects in	760	C<player>, C<client> or C<map> (i.e. the attachable objects in
405	crossfire+).	761	Deliantra).
406		762
407	=over 4	763	=over 4
408		764
409	=item $attachable->attach ($attachment, key => $value...)	765	=item $attachable->attach ($attachment, key => $value...)
410		766
…		…
454	=item cf::CLASS::attachment $name, ...	810	=item cf::CLASS::attachment $name, ...
455		811
456	Register an attachment by C<$name> through which attachable objects of the	812	Register an attachment by C<$name> through which attachable objects of the
457	given CLASS can refer to this attachment.	813	given CLASS can refer to this attachment.
458		814
459	Some classes such as crossfire maps and objects can specify attachments	815	Some classes such as deliantra maps and objects can specify attachments
460	that are attached at load/instantiate time, thus the need for a name.	816	that are attached at load/instantiate time, thus the need for a name.
461		817
462	These calls expect any number of the following handler/hook descriptions:	818	These calls expect any number of the following handler/hook descriptions:
463		819
464	=over 4	820	=over 4
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	929	$registry = $CB_TYPE[$object_type] ||= [];
574		930
575	} elsif ($type eq "subtype") {	931	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	932	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	933	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	934	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		935
580	} elsif ($type eq "package") {	936	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	937	my $pkg = shift @arg;
582		938
583	while (my ($name, $id) = each %cb_id) {	939	while (my ($name, $id) = each %cb_id) {
…		…
612	_attach $registry, $klass, @attach;	968	_attach $registry, $klass, @attach;
613	}	969	}
614		970
615	$obj->{$name} = \%arg;	971	$obj->{$name} = \%arg;
616	} else {	972	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	973	warn "object uses attachment '$name' which is not available, postponing.\n";
618	}	974	}
619		975
620	$obj->{_attachment}{$name} = undef;	976	$obj->{_attachment}{$name} = undef;
621	}	977	}
622		978
…		…
624	if (ref $_[0]) {	980	if (ref $_[0]) {
625	_object_attach @_;	981	_object_attach @_;
626	} else {	982	} else {
627	_attach shift->_attach_registry, @_;	983	_attach shift->_attach_registry, @_;
628	}	984	}
		985	_recalc_want;
629	};	986	};
630		987
631	# all those should be optimised	988	# all those should be optimised
632	sub cf::attachable::detach {	989	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	990	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	993	delete $obj->{_attachment}{$name};
637	reattach ($obj);	994	reattach ($obj);
638	} else {	995	} else {
639	Carp::croak "cannot, currently, detach class attachments";	996	Carp::croak "cannot, currently, detach class attachments";
640	}	997	}
		998	_recalc_want;
641	};	999	};
642		1000
643	sub cf::attachable::attached {	1001	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	1002	my ($obj, $name) = @_;
645		1003
…		…
660	";	1018	";
661	die if $@;	1019	die if $@;
662	}	1020	}
663		1021
664	our $override;	1022	our $override;
665	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1023	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
666		1024
667	sub override {	1025	sub override {
668	$override = 1;	1026	$override = 1;
669	@invoke_results = ();	1027	@INVOKE_RESULTS = (@_);
670	}	1028	}
671		1029
672	sub do_invoke {	1030	sub do_invoke {
673	my $event = shift;	1031	my $event = shift;
674	my $callbacks = shift;	1032	my $callbacks = shift;
675		1033
676	@invoke_results = ();	1034	@INVOKE_RESULTS = ();
677		1035
678	local $override;	1036	local $override;
679		1037
680	for (@$callbacks) {	1038	for (@$callbacks) {
681	eval { &{$_->[1]} };	1039	eval { &{$_->[1]} };
…		…
690	}	1048	}
691		1049
692	0	1050	0
693	}	1051	}
694		1052
695	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1053	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
696		1054
697	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
698		1056
699	Generate an object-specific event with the given arguments.	1057	Generate an object-specific event with the given arguments.
700		1058
701	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1059	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
702	removed in future versions), and there is no public API to access override	1060	removed in future versions), and there is no public API to access override
703	results (if you must, access C<@cf::invoke_results> directly).	1061	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704		1062
705	=back	1063	=back
706		1064
707	=cut	1065	=cut
708		1066
709	#############################################################################	1067	#############################################################################
710	# object support	1068	# object support
		1069
		1070	sub _object_equal($$);
		1071	sub _object_equal($$) {
		1072	my ($a, $b) = @_;
		1073
		1074	return 0 unless (ref $a) eq (ref $b);
		1075
		1076	if ("HASH" eq ref $a) {
		1077	my @ka = keys %$a;
		1078	my @kb = keys %$b;
		1079
		1080	return 0 if @ka != @kb;
		1081
		1082	for (0 .. $#ka) {
		1083	return 0 unless $ka[$_] eq $kb[$_];
		1084	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1085	}
		1086
		1087	} elsif ("ARRAY" eq ref $a) {
		1088
		1089	return 0 if @$a != @$b;
		1090
		1091	for (0 .. $#$a) {
		1092	return 0 unless _object_equal $a->[$_], $b->[$_];
		1093	}
		1094
		1095	} elsif ($a ne $b) {
		1096	return 0;
		1097	}
		1098
		1099	1
		1100	}
		1101
		1102	our $SLOW_MERGES;#d#
		1103	sub _can_merge {
		1104	my ($ob1, $ob2) = @_;
		1105
		1106	++$SLOW_MERGES;#d#
		1107
		1108	# we do the slow way here
		1109	return _object_equal $ob1, $ob2
		1110	}
711		1111
712	sub reattach {	1112	sub reattach {
713	# basically do the same as instantiate, without calling instantiate	1113	# basically do the same as instantiate, without calling instantiate
714	my ($obj) = @_;	1114	my ($obj) = @_;
715		1115
		1116	# no longer needed after getting rid of delete_package?
716	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1117	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
717		1118
718	my $registry = $obj->registry;	1119	my $registry = $obj->registry;
719		1120
720	@$registry = ();	1121	@$registry = ();
721		1122
…		…
736	cf::attachable->attach (	1137	cf::attachable->attach (
737	prio => -1000000,	1138	prio => -1000000,
738	on_instantiate => sub {	1139	on_instantiate => sub {
739	my ($obj, $data) = @_;	1140	my ($obj, $data) = @_;
740		1141
741	$data = from_json $data;	1142	$data = decode_json $data;
742		1143
743	for (@$data) {	1144	for (@$data) {
744	my ($name, $args) = @$_;	1145	my ($name, $args) = @$_;
745		1146
746	$obj->attach ($name, %{$args || {} });	1147	$obj->attach ($name, %{$args || {} });
…		…
762	sub object_freezer_save {	1163	sub object_freezer_save {
763	my ($filename, $rdata, $objs) = @_;	1164	my ($filename, $rdata, $objs) = @_;
764		1165
765	sync_job {	1166	sync_job {
766	if (length $$rdata) {	1167	if (length $$rdata) {
		1168	utf8::decode (my $decname = $filename);
767	warn sprintf "saving %s (%d,%d)\n",	1169	warn sprintf "saving %s (%d,%d)\n",
768	$filename, length $$rdata, scalar @$objs;	1170	$decname, length $$rdata, scalar @$objs;
769		1171
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1172	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1173	aio_chmod $fh, SAVE_MODE;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1174	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1175	aio_fsync $fh if $cf::USE_FSYNC;
774	close $fh;	1176	aio_close $fh;
775		1177
776	if (@$objs) {	1178	if (@$objs) {
777	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1179	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
778	chmod SAVE_MODE, $fh;	1180	aio_chmod $fh, SAVE_MODE;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	1181	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	1182	aio_write $fh, 0, (length $data), $data, 0;
781	aio_fsync $fh if $cf::USE_FSYNC;	1183	aio_fsync $fh if $cf::USE_FSYNC;
782	close $fh;	1184	aio_close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	1185	aio_rename "$filename.pst~", "$filename.pst";
784	}	1186	}
785	} else {	1187	} else {
786	aio_unlink "$filename.pst";	1188	aio_unlink "$filename.pst";
787	}	1189	}
788		1190
789	aio_rename "$filename~", $filename;	1191	aio_rename "$filename~", $filename;
		1192
		1193	$filename =~ s%/[^/]+$%%;
		1194	aio_pathsync $filename;
790	} else {	1195	} else {
791	warn "FATAL: $filename~: $!\n";	1196	warn "FATAL: $filename~: $!\n";
792	}	1197	}
793	} else {	1198	} else {
794	aio_unlink $filename;	1199	aio_unlink $filename;
795	aio_unlink "$filename.pst";	1200	aio_unlink "$filename.pst";
796	}	1201	}
797	}	1202	};
798	}	1203	}
799		1204
800	sub object_freezer_as_string {	1205	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	1206	my ($rdata, $objs) = @_;
802		1207
…		…
814	or return;	1219	or return;
815		1220
816	unless (aio_stat "$filename.pst") {	1221	unless (aio_stat "$filename.pst") {
817	(aio_load "$filename.pst", $av) >= 0	1222	(aio_load "$filename.pst", $av) >= 0
818	or return;	1223	or return;
		1224
819	$av = eval { (Storable::thaw $av)->{objs} };	1225	my $st = eval { Coro::Storable::thaw $av };
		1226	$av = $st->{objs};
820	}	1227	}
821		1228
		1229	utf8::decode (my $decname = $filename);
822	warn sprintf "loading %s (%d)\n",	1230	warn sprintf "loading %s (%d,%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1231	$decname, length $data, scalar @{$av || []};
		1232
824	return ($data, $av);	1233	($data, $av)
825	}	1234	}
		1235
		1236	=head2 COMMAND CALLBACKS
		1237
		1238	=over 4
		1239
		1240	=cut
826		1241
827	#############################################################################	1242	#############################################################################
828	# command handling &c	1243	# command handling &c
829		1244
830	=item cf::register_command $name => \&callback($ob,$args);	1245	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1258	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1259	}
845		1260
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1261	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1262
848	Register a callbackf ro execution when the client sends an extcmd packet.	1263	Register a callback for execution when the client sends an (synchronous)
		1264	extcmd packet. Ext commands will be processed in the order they are
		1265	received by the server, like other user commands. The first argument is
		1266	the logged-in player. Ext commands can only be processed after a player
		1267	has logged in successfully.
849		1268
850	If the callback returns something, it is sent back as if reply was being	1269	If the callback returns something, it is sent back as if reply was being
851	called.	1270	called.
852		1271
		1272	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1273
		1274	Register a callback for execution when the client sends an (asynchronous)
		1275	exticmd packet. Exti commands are processed by the server as soon as they
		1276	are received, i.e. out of order w.r.t. other commands. The first argument
		1277	is a client socket. Exti commands can be received anytime, even before
		1278	log-in.
		1279
		1280	If the callback returns something, it is sent back as if reply was being
		1281	called.
		1282
853	=cut	1283	=cut
854		1284
855	sub register_extcmd {	1285	sub register_extcmd {
856	my ($name, $cb) = @_;	1286	my ($name, $cb) = @_;
857		1287
858	$EXTCMD{$name} = $cb;	1288	$EXTCMD{$name} = $cb;
		1289	}
		1290
		1291	sub register_exticmd {
		1292	my ($name, $cb) = @_;
		1293
		1294	$EXTICMD{$name} = $cb;
859	}	1295	}
860		1296
861	cf::player->attach (	1297	cf::player->attach (
862	on_command => sub {	1298	on_command => sub {
863	my ($pl, $name, $params) = @_;	1299	my ($pl, $name, $params) = @_;
…		…
872	cf::override;	1308	cf::override;
873	},	1309	},
874	on_extcmd => sub {	1310	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1311	my ($pl, $buf) = @_;
876		1312
877	my $msg = eval { from_json $buf };	1313	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1314
879	if (ref $msg) {	1315	if (ref $msg) {
		1316	my ($type, $reply, @payload) =
		1317	"ARRAY" eq ref $msg
		1318	? @$msg
		1319	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1320
		1321	my @reply;
		1322
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1323	if (my $cb = $EXTCMD{$type}) {
881	if (my %reply = $cb->($pl, $msg)) {	1324	@reply = $cb->($pl, @payload);
882	$pl->ext_reply ($msg->{msgid}, %reply);
883	}
884	}	1325	}
		1326
		1327	$pl->ext_reply ($reply, @reply)
		1328	if $reply;
		1329
885	} else {	1330	} else {
886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1331	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887	}	1332	}
888		1333
889	cf::override;	1334	cf::override;
890	},	1335	},
891	);	1336	);
892		1337
893	sub load_extension {
894	my ($path) = @_;
895
896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
897	my $base = $1;
898	my $pkg = $1;
899	$pkg =~ s/[^[:word:]]/_/g;
900	$pkg = "ext::$pkg";
901
902	warn "... loading '$path' into '$pkg'\n";
903
904	open my $fh, "<:utf8", $path
905	or die "$path: $!";
906
907	my $source =
908	"package $pkg; use strict; use utf8;\n"
909	. "#line 1 \"$path\"\n{\n"
910	. (do { local $/; <$fh> })
911	. "\n};\n1";
912
913	unless (eval $source) {
914	my $msg = $@ ? "$path: $@\n"
915	: "extension disabled.\n";
916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
917	warn $@;
918	warn "mandatory extension failed to load, exiting.\n";
919	exit 1;
920	}
921	die $@;
922	}
923
924	push @EXTS, $pkg;
925	}
926
927	sub load_extensions {	1338	sub load_extensions {
		1339	cf::sync_job {
		1340	my %todo;
		1341
928	for my $ext (<$LIBDIR/*.ext>) {	1342	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1343	next unless -r $path;
930	eval {	1344
931	load_extension $ext;	1345	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1346	my $base = $1;
		1347	my $pkg = $1;
		1348	$pkg =~ s/[^[:word:]]/_/g;
		1349	$pkg = "ext::$pkg";
		1350
		1351	open my $fh, "<:utf8", $path
		1352	or die "$path: $!";
		1353
		1354	my $source = do { local $/; <$fh> };
		1355
		1356	my %ext = (
		1357	path => $path,
		1358	base => $base,
		1359	pkg => $pkg,
		1360	);
		1361
		1362	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1363	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1364
		1365	$ext{source} =
		1366	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1367	. "#line 1 \"$path\"\n{\n"
		1368	. $source
		1369	. "\n};\n1";
		1370
		1371	$todo{$base} = \%ext;
		1372	}
		1373
		1374	my %done;
		1375	while (%todo) {
		1376	my $progress;
		1377
		1378	while (my ($k, $v) = each %todo) {
		1379	for (split /,\s*/, $v->{meta}{depends}) {
		1380	goto skip
		1381	unless exists $done{$_};
		1382	}
		1383
		1384	warn "... loading '$k' into '$v->{pkg}'\n";
		1385
		1386	unless (eval $v->{source}) {
		1387	my $msg = $@ ? "$v->{path}: $@\n"
		1388	: "$v->{base}: extension inactive.\n";
		1389
		1390	if (exists $v->{meta}{mandatory}) {
		1391	warn $msg;
		1392	cf::cleanup "mandatory extension failed to load, exiting.";
		1393	}
		1394
		1395	warn $msg;
		1396	}
		1397
		1398	$done{$k} = delete $todo{$k};
		1399	push @EXTS, $v->{pkg};
		1400	$progress = 1;
932	1	1401	}
933	} or warn "$ext not loaded: $@";	1402
		1403	skip:
		1404	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1405	unless $progress;
		1406	}
934	}	1407	};
935	}	1408	}
936		1409
937	#############################################################################	1410	#############################################################################
938		1411
		1412	=back
		1413
939	=head2 CORE EXTENSIONS	1414	=head2 CORE EXTENSIONS
940		1415
941	Functions and methods that extend core crossfire objects.	1416	Functions and methods that extend core deliantra objects.
942		1417
943	=cut	1418	=cut
944		1419
945	package cf::player;	1420	package cf::player;
946		1421
…		…
948		1423
949	=head3 cf::player	1424	=head3 cf::player
950		1425
951	=over 4	1426	=over 4
952		1427
		1428	=item cf::player::num_playing
		1429
		1430	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1431
		1432	=cut
		1433
		1434	sub num_playing {
		1435	scalar grep
		1436	$_->ob->map
		1437	&& !$_->hidden
		1438	&& !$_->ob->flag (cf::FLAG_WIZ),
		1439	cf::player::list
		1440	}
		1441
953	=item cf::player::find $login	1442	=item cf::player::find $login
954		1443
955	Returns the given player object, loading it if necessary (might block).	1444	Returns the given player object, loading it if necessary (might block).
956		1445
957	=cut	1446	=cut
958		1447
959	sub playerdir($) {	1448	sub playerdir($) {
960	cf::localdir	1449	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1450	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1451	}
966		1452
967	sub path($) {	1453	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1454	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
978		1464
979	sub exists($) {	1465	sub exists($) {
980	my ($login) = @_;	1466	my ($login) = @_;
981		1467
982	$cf::PLAYER{$login}	1468	$cf::PLAYER{$login}
983	or cf::sync_job { !aio_stat path $login }	1469	or !aio_stat path $login
984	}	1470	}
985		1471
986	sub find($) {	1472	sub find($) {
987	return $cf::PLAYER{$_[0]} || do {	1473	return $cf::PLAYER{$_[0]} || do {
988	my $login = $_[0];	1474	my $login = $_[0];
…		…
995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1481	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1482	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1483	aio_unlink +(playerdir $login) . "/$login.pl.pst";
998	aio_unlink +(playerdir $login) . "/$login.pl";	1484	aio_unlink +(playerdir $login) . "/$login.pl";
999		1485
1000	my $pl = load_pl path $login	1486	my $f = new_from_file cf::object::thawer path $login
1001	or return;	1487	or return;
		1488
		1489	my $pl = cf::player::load_pl $f
		1490	or return;
		1491
		1492	local $cf::PLAYER_LOADING{$login} = $pl;
		1493	$f->resolve_delayed_derefs;
1002	$cf::PLAYER{$login} = $pl	1494	$cf::PLAYER{$login} = $pl
1003	}	1495	}
1004	}	1496	}
1005	}	1497	}
1006		1498
…		…
1015	return if $pl->{deny_save};	1507	return if $pl->{deny_save};
1016		1508
1017	aio_mkdir playerdir $pl, 0770;	1509	aio_mkdir playerdir $pl, 0770;
1018	$pl->{last_save} = $cf::RUNTIME;	1510	$pl->{last_save} = $cf::RUNTIME;
1019		1511
		1512	cf::get_slot 0.01;
		1513
1020	$pl->save_pl ($path);	1514	$pl->save_pl ($path);
1021	Coro::cede;	1515	cf::cede_to_tick;
1022	}	1516	}
1023		1517
1024	sub new($) {	1518	sub new($) {
1025	my ($login) = @_;	1519	my ($login) = @_;
1026		1520
…		…
1032	$cf::PLAYER{$login} = $self;	1526	$cf::PLAYER{$login} = $self;
1033		1527
1034	$self	1528	$self
1035	}	1529	}
1036		1530
		1531	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1532
		1533	=cut
		1534
		1535	sub send_msg {
		1536	my $ns = shift->ns
		1537	or return;
		1538	$ns->send_msg (@_);
		1539	}
		1540
1037	=item $pl->quit_character	1541	=item $pl->quit_character
1038		1542
1039	Nukes the player without looking back. If logged in, the connection will	1543	Nukes the player without looking back. If logged in, the connection will
1040	be destroyed. May block for a long time.	1544	be destroyed. May block for a long time.
1041		1545
…		…
1045	my ($pl) = @_;	1549	my ($pl) = @_;
1046		1550
1047	my $name = $pl->ob->name;	1551	my $name = $pl->ob->name;
1048		1552
1049	$pl->{deny_save} = 1;	1553	$pl->{deny_save} = 1;
1050	$pl->password ("*"); # this should lock out the player until we nuked the dir	1554	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1051		1555
1052	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1556	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1053	$pl->deactivate;	1557	$pl->deactivate;
		1558	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1559	$pl->ob->check_score;
1054	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1560	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1055	$pl->ns->destroy if $pl->ns;	1561	$pl->ns->destroy if $pl->ns;
1056		1562
1057	my $path = playerdir $pl;	1563	my $path = playerdir $pl;
1058	my $temp = "$path~$cf::RUNTIME~deleting~";	1564	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1088	while and may block, so not sync_job-capable, ever.	1594	while and may block, so not sync_job-capable, ever.
1089		1595
1090	=cut	1596	=cut
1091		1597
1092	sub list_logins {	1598	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1599	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1600	or return [];
1095		1601
1096	my @logins;	1602	my @logins;
1097		1603
1098	for my $login (@$dirs) {	1604	for my $login (@$dirs) {
		1605	my $path = path $login;
		1606
		1607	# a .pst is a dead give-away for a valid player
		1608	# if no pst file found, open and chekc for blocked users
		1609	if (aio_stat "$path.pst") {
1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1610	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1100	aio_read $fh, 0, 512, my $buf, 0 or next;	1611	aio_read $fh, 0, 512, my $buf, 0 or next;
1101	$buf !~ /^password -------------$/m or next; # official not-valid tag	1612	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1613	}
1102		1614
1103	utf8::decode $login;	1615	utf8::decode $login;
1104	push @logins, $login;	1616	push @logins, $login;
1105	}	1617	}
1106		1618
…		…
1133	}	1645	}
1134		1646
1135	\@paths	1647	\@paths
1136	}	1648	}
1137		1649
		1650	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1651
		1652	Expand deliantra pod fragments into protocol xml.
		1653
1138	=item $player->ext_reply ($msgid, %msg)	1654	=item $player->ext_reply ($msgid, @msg)
1139		1655
1140	Sends an ext reply to the player.	1656	Sends an ext reply to the player.
1141		1657
1142	=cut	1658	=cut
1143		1659
1144	sub ext_reply($$%) {	1660	sub ext_reply($$@) {
1145	my ($self, $id, %msg) = @_;	1661	my ($self, $id, @msg) = @_;
1146		1662
1147	$msg{msgid} = $id;	1663	$self->ns->ext_reply ($id, @msg)
1148
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}	1664	}
1151		1665
1152	=item $player->ext_event ($type, %msg)	1666	=item $player->ext_msg ($type, @msg)
1153		1667
1154	Sends an ext event to the client.	1668	Sends an ext event to the client.
1155		1669
1156	=cut	1670	=cut
1157		1671
1158	sub ext_event($$%) {	1672	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1673	my ($self, $type, @msg) = @_;
1160		1674
1161	$self->ns->ext_event ($type, %msg);	1675	$self->ns->ext_msg ($type, @msg);
1162	}	1676	}
1163		1677
1164	=head3 cf::region	1678	=head3 cf::region
1165		1679
1166	=over 4	1680	=over 4
…		…
1169		1683
1170	package cf::region;	1684	package cf::region;
1171		1685
1172	=item cf::region::find_by_path $path	1686	=item cf::region::find_by_path $path
1173		1687
1174	Tries to decuce the probable region for a map knowing only its path.	1688	Tries to decuce the likely region for a map knowing only its path.
1175		1689
1176	=cut	1690	=cut
1177		1691
1178	sub find_by_path($) {	1692	sub find_by_path($) {
1179	my ($path) = @_;	1693	my ($path) = @_;
1180		1694
1181	my ($match, $specificity);	1695	my ($match, $specificity);
1182		1696
1183	for my $region (list) {	1697	for my $region (list) {
1184	if ($region->match && $path =~ $region->match) {	1698	if ($region->{match} && $path =~ $region->{match}) {
1185	($match, $specificity) = ($region, $region->specificity)	1699	($match, $specificity) = ($region, $region->specificity)
1186	if $region->specificity > $specificity;	1700	if $region->specificity > $specificity;
1187	}	1701	}
1188	}	1702	}
1189		1703
…		…
1210	our $MAX_RESET = 3600;	1724	our $MAX_RESET = 3600;
1211	our $DEFAULT_RESET = 3000;	1725	our $DEFAULT_RESET = 3000;
1212		1726
1213	sub generate_random_map {	1727	sub generate_random_map {
1214	my ($self, $rmp) = @_;	1728	my ($self, $rmp) = @_;
		1729
		1730	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1731
1215	# mit "rum" bekleckern, nicht	1732	# mit "rum" bekleckern, nicht
1216	$self->_create_random_map (	1733	$self->_create_random_map (
1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1734	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1735	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1736	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1253	my ($self, $merge) = @_;	1770	my ($self, $merge) = @_;
1254		1771
1255	# we have to keep some variables in memory intact	1772	# we have to keep some variables in memory intact
1256	local $self->{path};	1773	local $self->{path};
1257	local $self->{load_path};	1774	local $self->{load_path};
1258	local $self->{deny_save};
1259	local $self->{deny_reset};
1260		1775
1261	$self->SUPER::thawer_merge ($merge);	1776	$self->SUPER::thawer_merge ($merge);
1262	}	1777	}
1263		1778
1264	sub normalise {	1779	sub normalise {
…		…
1311	$self->init; # pass $1 etc.	1826	$self->init; # pass $1 etc.
1312	return $self;	1827	return $self;
1313	}	1828	}
1314	}	1829	}
1315		1830
1316	Carp::carp "unable to resolve path '$path' (base '$base').";	1831	Carp::cluck "unable to resolve path '$path' (base '$base').";
1317	()	1832	()
1318	}	1833	}
1319		1834
1320	sub init {	1835	sub init {
1321	my ($self) = @_;	1836	my ($self) = @_;
…		…
1336		1851
1337	# the original (read-only) location	1852	# the original (read-only) location
1338	sub load_path {	1853	sub load_path {
1339	my ($self) = @_;	1854	my ($self) = @_;
1340		1855
1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1856	"$MAPDIR/$self->{path}.map"
1342	}	1857	}
1343		1858
1344	# the temporary/swap location	1859	# the temporary/swap location
1345	sub save_path {	1860	sub save_path {
1346	my ($self) = @_;	1861	my ($self) = @_;
1347		1862
1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1864	"$TMPDIR/$path.map"
1350	}	1865	}
1351		1866
1352	# the unique path, undef == no special unique path	1867	# the unique path, undef == no special unique path
1353	sub uniq_path {	1868	sub uniq_path {
1354	my ($self) = @_;	1869	my ($self) = @_;
1355		1870
1356	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1871	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1357	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1872	"$UNIQUEDIR/$path"
1358	}	1873	}
1359		1874
1360	# and all this just because we cannot iterate over	1875	# and all this just because we cannot iterate over
1361	# all maps in C++...	1876	# all maps in C++...
1362	sub change_all_map_light {	1877	sub change_all_map_light {
…		…
1364		1879
1365	$_->change_map_light ($change)	1880	$_->change_map_light ($change)
1366	for grep $_->outdoor, values %cf::MAP;	1881	for grep $_->outdoor, values %cf::MAP;
1367	}	1882	}
1368		1883
		1884	sub decay_objects {
		1885	my ($self) = @_;
		1886
		1887	return if $self->{deny_reset};
		1888
		1889	$self->do_decay_objects;
		1890	}
		1891
1369	sub unlink_save {	1892	sub unlink_save {
1370	my ($self) = @_;	1893	my ($self) = @_;
1371		1894
1372	utf8::encode (my $save = $self->save_path);	1895	utf8::encode (my $save = $self->save_path);
1373	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1896	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1376		1899
1377	sub load_header_from($) {	1900	sub load_header_from($) {
1378	my ($self, $path) = @_;	1901	my ($self, $path) = @_;
1379		1902
1380	utf8::encode $path;	1903	utf8::encode $path;
1381	#aio_open $path, O_RDONLY, 0	1904	my $f = new_from_file cf::object::thawer $path
1382	# or return;
1383
1384	$self->_load_header ($path)
1385	or return;	1905	or return;
		1906
		1907	$self->_load_header ($f)
		1908	or return;
		1909
		1910	local $MAP_LOADING{$self->{path}} = $self;
		1911	$f->resolve_delayed_derefs;
1386		1912
1387	$self->{load_path} = $path;	1913	$self->{load_path} = $path;
1388		1914
1389	1	1915	1
1390	}	1916	}
…		…
1429	$self->load_header_orig	1955	$self->load_header_orig
1430	or return;	1956	or return;
1431	$self->prepare_orig;	1957	$self->prepare_orig;
1432	}	1958	}
1433		1959
		1960	$self->{deny_reset} = 1
		1961	if $self->no_reset;
		1962
1434	$self->default_region (cf::region::find_by_path $self->{path})	1963	$self->default_region (cf::region::find_by_path $self->{path})
1435	unless $self->default_region;	1964	unless $self->default_region;
1436		1965
1437	1	1966	1
1438	}	1967	}
…		…
1441	sub find {	1970	sub find {
1442	my ($path, $origin) = @_;	1971	my ($path, $origin) = @_;
1443		1972
1444	$path = normalise $path, $origin && $origin->path;	1973	$path = normalise $path, $origin && $origin->path;
1445		1974
		1975	cf::lock_wait "map_data:$path";#d#remove
1446	cf::lock_wait "map_find:$path";	1976	cf::lock_wait "map_find:$path";
1447		1977
1448	$cf::MAP{$path} || do {	1978	$cf::MAP{$path} || do {
		1979	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1449	my $guard = cf::lock_acquire "map_find:$path";	1980	my $guard2 = cf::lock_acquire "map_find:$path";
		1981
1450	my $map = new_from_path cf::map $path	1982	my $map = new_from_path cf::map $path
1451	or return;	1983	or return;
1452		1984
1453	$map->{last_save} = $cf::RUNTIME;	1985	$map->{last_save} = $cf::RUNTIME;
1454		1986
1455	$map->load_header	1987	$map->load_header
1456	or return;	1988	or return;
1457		1989
1458	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1990	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1459	# doing this can freeze the server in a sync job, obviously	1991	# doing this can freeze the server in a sync job, obviously
1460	#$cf::WAIT_FOR_TICK->wait;	1992	#$cf::WAIT_FOR_TICK->wait;
		1993	undef $guard2;
		1994	undef $guard1;
1461	$map->reset;	1995	$map->reset;
1462	undef $guard;
1463	return find $path;	1996	return find $path;
1464	}	1997	}
1465		1998
1466	$cf::MAP{$path} = $map	1999	$cf::MAP{$path} = $map
1467	}	2000	}
…		…
1474	my ($self) = @_;	2007	my ($self) = @_;
1475		2008
1476	local $self->{deny_reset} = 1; # loading can take a long time	2009	local $self->{deny_reset} = 1; # loading can take a long time
1477		2010
1478	my $path = $self->{path};	2011	my $path = $self->{path};
		2012
		2013	{
1479	my $guard = cf::lock_acquire "map_load:$path";	2014	my $guard = cf::lock_acquire "map_data:$path";
1480		2015
		2016	return unless $self->valid;
1481	return if $self->in_memory != cf::MAP_SWAPPED;	2017	return unless $self->in_memory == cf::MAP_SWAPPED;
1482		2018
1483	$self->in_memory (cf::MAP_LOADING);	2019	$self->in_memory (cf::MAP_LOADING);
1484		2020
1485	$self->alloc;	2021	$self->alloc;
1486		2022
1487	$self->pre_load;	2023	$self->pre_load;
1488	Coro::cede;	2024	cf::cede_to_tick;
1489		2025
1490	$self->_load_objects ($self->{load_path}, 1)	2026	my $f = new_from_file cf::object::thawer $self->{load_path};
		2027	$f->skip_block;
		2028	$self->_load_objects ($f)
1491	or return;	2029	or return;
1492		2030
1493	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2031	$self->post_load_original
1494	if delete $self->{load_original};	2032	if delete $self->{load_original};
1495		2033
1496	if (my $uniq = $self->uniq_path) {	2034	if (my $uniq = $self->uniq_path) {
1497	utf8::encode $uniq;	2035	utf8::encode $uniq;
1498	if (aio_open $uniq, O_RDONLY, 0) {	2036	unless (aio_stat $uniq) {
		2037	if (my $f = new_from_file cf::object::thawer $uniq) {
1499	$self->clear_unique_items;	2038	$self->clear_unique_items;
1500	$self->_load_objects ($uniq, 0);	2039	$self->_load_objects ($f);
		2040	$f->resolve_delayed_derefs;
		2041	}
1501	}	2042	}
1502	}	2043	}
1503		2044
1504	Coro::cede;	2045	$f->resolve_delayed_derefs;
		2046
		2047	cf::cede_to_tick;
1505	# now do the right thing for maps	2048	# now do the right thing for maps
1506	$self->link_multipart_objects;	2049	$self->link_multipart_objects;
1507	Coro::cede;
1508
1509	unless ($self->{deny_activate}) {
1510	$self->decay_objects;
1511	$self->fix_auto_apply;
1512	$self->update_buttons;
1513	Coro::cede;
1514	$self->set_darkness_map;
1515	$self->difficulty ($self->estimate_difficulty)	2050	$self->difficulty ($self->estimate_difficulty)
1516	unless $self->difficulty;	2051	unless $self->difficulty;
1517	Coro::cede;	2052	cf::cede_to_tick;
		2053
		2054	unless ($self->{deny_activate}) {
		2055	$self->decay_objects;
		2056	$self->fix_auto_apply;
		2057	$self->update_buttons;
		2058	cf::cede_to_tick;
		2059	$self->set_darkness_map;
		2060	cf::cede_to_tick;
1518	$self->activate;	2061	$self->activate;
1519	Coro::cede;	2062	}
		2063
		2064	$self->{last_save} = $cf::RUNTIME;
		2065	$self->last_access ($cf::RUNTIME);
		2066
		2067	$self->in_memory (cf::MAP_ACTIVE);
1520	}	2068	}
1521		2069
1522	$self->post_load;	2070	$self->post_load;
1523	Coro::cede;
1524
1525	$self->in_memory (cf::MAP_IN_MEMORY);
1526	}	2071	}
1527		2072
1528	sub customise_for {	2073	sub customise_for {
1529	my ($self, $ob) = @_;	2074	my ($self, $ob) = @_;
1530		2075
1531	return find "~" . $ob->name . "/" . $self->{path}	2076	return find "~" . $ob->name . "/" . $self->{path}
1532	if $self->per_player;	2077	if $self->per_player;
1533		2078
		2079	# return find "?party/" . $ob->name . "/" . $self->{path}
		2080	# if $self->per_party;
		2081
1534	$self	2082	$self
1535	}	2083	}
1536		2084
1537	# find and load all maps in the 3x3 area around a map	2085	# find and load all maps in the 3x3 area around a map
1538	sub load_diag {	2086	sub load_neighbours {
1539	my ($map) = @_;	2087	my ($map) = @_;
1540		2088
1541	my @diag; # diagonal neighbours	2089	my @neigh; # diagonal neighbours
1542		2090
1543	for (0 .. 3) {	2091	for (0 .. 3) {
1544	my $neigh = $map->tile_path ($_)	2092	my $neigh = $map->tile_path ($_)
1545	or next;	2093	or next;
1546	$neigh = find $neigh, $map	2094	$neigh = find $neigh, $map
1547	or next;	2095	or next;
1548	$neigh->load;	2096	$neigh->load;
1549		2097
		2098	push @neigh,
1550	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2099	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1551	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2100	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1552	}	2101	}
1553		2102
1554	for (@diag) {	2103	for (grep defined $_->[0], @neigh) {
		2104	my ($path, $origin) = @$_;
1555	my $neigh = find @$_	2105	my $neigh = find $path, $origin
1556	or next;	2106	or next;
1557	$neigh->load;	2107	$neigh->load;
1558	}	2108	}
1559	}	2109	}
1560		2110
…		…
1565	}	2115	}
1566		2116
1567	sub do_load_sync {	2117	sub do_load_sync {
1568	my ($map) = @_;	2118	my ($map) = @_;
1569		2119
		2120	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2121	if $Coro::current == $Coro::main;
		2122
1570	cf::sync_job { $map->load };	2123	cf::sync_job { $map->load };
1571	}	2124	}
1572		2125
1573	our %MAP_PREFETCH;	2126	our %MAP_PREFETCH;
1574	our $MAP_PREFETCHER = undef;	2127	our $MAP_PREFETCHER = undef;
1575		2128
1576	sub find_async {	2129	sub find_async {
1577	my ($path, $origin) = @_;	2130	my ($path, $origin, $load) = @_;
1578		2131
1579	$path = normalise $path, $origin && $origin->{path};	2132	$path = normalise $path, $origin && $origin->{path};
1580		2133
1581	if (my $map = $cf::MAP{$path}) {	2134	if (my $map = $cf::MAP{$path}) {
1582	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2135	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1583	}	2136	}
1584		2137
1585	undef $MAP_PREFETCH{$path};	2138	$MAP_PREFETCH{$path} |= $load;
		2139
1586	$MAP_PREFETCHER ||= cf::async {	2140	$MAP_PREFETCHER ||= cf::async {
		2141	$Coro::current->{desc} = "map prefetcher";
		2142
1587	while (%MAP_PREFETCH) {	2143	while (%MAP_PREFETCH) {
1588	for my $path (keys %MAP_PREFETCH) {	2144	while (my ($k, $v) = each %MAP_PREFETCH) {
1589	my $map = find $path	2145	if (my $map = find $k) {
1590	or next;
1591	$map->load;	2146	$map->load if $v;
		2147	}
1592		2148
1593	delete $MAP_PREFETCH{$path};	2149	delete $MAP_PREFETCH{$k};
1594	}	2150	}
1595	}	2151	}
1596	undef $MAP_PREFETCHER;	2152	undef $MAP_PREFETCHER;
1597	};	2153	};
1598	$MAP_PREFETCHER->prio (6);	2154	$MAP_PREFETCHER->prio (6);
…		…
1601	}	2157	}
1602		2158
1603	sub save {	2159	sub save {
1604	my ($self) = @_;	2160	my ($self) = @_;
1605		2161
1606	my $lock = cf::lock_acquire "map_data:" . $self->path;	2162	my $lock = cf::lock_acquire "map_data:$self->{path}";
1607		2163
1608	$self->{last_save} = $cf::RUNTIME;	2164	$self->{last_save} = $cf::RUNTIME;
1609		2165
1610	return unless $self->dirty;	2166	return unless $self->dirty;
1611		2167
…		…
1617	return if $self->{deny_save};	2173	return if $self->{deny_save};
1618		2174
1619	local $self->{last_access} = $self->last_access;#d#	2175	local $self->{last_access} = $self->last_access;#d#
1620		2176
1621	cf::async {	2177	cf::async {
		2178	$Coro::current->{desc} = "map player save";
1622	$_->contr->save for $self->players;	2179	$_->contr->save for $self->players;
1623	};	2180	};
		2181
		2182	cf::get_slot 0.02;
1624		2183
1625	if ($uniq) {	2184	if ($uniq) {
1626	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2185	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1627	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2186	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1628	} else {	2187	} else {
…		…
1634	my ($self) = @_;	2193	my ($self) = @_;
1635		2194
1636	# save first because save cedes	2195	# save first because save cedes
1637	$self->save;	2196	$self->save;
1638		2197
1639	my $lock = cf::lock_acquire "map_data:" . $self->path;	2198	my $lock = cf::lock_acquire "map_data:$self->{path}";
1640		2199
1641	return if $self->players;	2200	return if $self->players;
1642	return if $self->in_memory != cf::MAP_IN_MEMORY;	2201	return if $self->in_memory != cf::MAP_ACTIVE;
1643	return if $self->{deny_save};	2202	return if $self->{deny_save};
1644		2203
		2204	$self->in_memory (cf::MAP_SWAPPED);
		2205
		2206	$self->deactivate;
		2207	$_->clear_links_to ($self) for values %cf::MAP;
1645	$self->clear;	2208	$self->clear;
1646	$self->in_memory (cf::MAP_SWAPPED);
1647	}	2209	}
1648		2210
1649	sub reset_at {	2211	sub reset_at {
1650	my ($self) = @_;	2212	my ($self) = @_;
1651		2213
1652	# TODO: safety, remove and allow resettable per-player maps	2214	# TODO: safety, remove and allow resettable per-player maps
1653	return 1e99 if $self->isa ("ext::map_per_player");#d#
1654	return 1e99 if $self->{deny_reset};	2215	return 1e99 if $self->{deny_reset};
1655		2216
1656	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2217	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1657	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2218	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1658		2219
…		…
1669	my ($self) = @_;	2230	my ($self) = @_;
1670		2231
1671	my $lock = cf::lock_acquire "map_data:$self->{path}";	2232	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		2233
1673	return if $self->players;	2234	return if $self->players;
1674	return if $self->isa ("ext::map_per_player");#d#
1675		2235
1676	warn "resetting map ", $self->path;#d#	2236	warn "resetting map ", $self->path;
1677		2237
1678	$self->in_memory (cf::MAP_SWAPPED);	2238	$self->in_memory (cf::MAP_SWAPPED);
1679		2239
1680	# need to save uniques path	2240	# need to save uniques path
1681	unless ($self->{deny_save}) {	2241	unless ($self->{deny_save}) {
…		…
1685	if $uniq;	2245	if $uniq;
1686	}	2246	}
1687		2247
1688	delete $cf::MAP{$self->path};	2248	delete $cf::MAP{$self->path};
1689		2249
		2250	$self->deactivate;
		2251	$_->clear_links_to ($self) for values %cf::MAP;
1690	$self->clear;	2252	$self->clear;
1691
1692	$_->clear_links_to ($self) for values %cf::MAP;
1693		2253
1694	$self->unlink_save;	2254	$self->unlink_save;
1695	$self->destroy;	2255	$self->destroy;
1696	}	2256	}
1697		2257
1698	my $nuke_counter = "aaaa";	2258	my $nuke_counter = "aaaa";
1699		2259
1700	sub nuke {	2260	sub nuke {
1701	my ($self) = @_;	2261	my ($self) = @_;
1702		2262
		2263	{
		2264	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2265
1703	delete $cf::MAP{$self->path};	2266	delete $cf::MAP{$self->path};
1704		2267
1705	$self->unlink_save;	2268	$self->unlink_save;
1706		2269
1707	bless $self, "cf::map";	2270	bless $self, "cf::map";
1708	delete $self->{deny_reset};	2271	delete $self->{deny_reset};
1709	$self->{deny_save} = 1;	2272	$self->{deny_save} = 1;
1710	$self->reset_timeout (1);	2273	$self->reset_timeout (1);
1711	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2274	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1712		2275
1713	$cf::MAP{$self->path} = $self;	2276	$cf::MAP{$self->path} = $self;
		2277	}
1714		2278
1715	$self->reset; # polite request, might not happen	2279	$self->reset; # polite request, might not happen
		2280	}
		2281
		2282	=item $maps = cf::map::tmp_maps
		2283
		2284	Returns an arrayref with all map paths of currently instantiated and saved
		2285	maps. May block.
		2286
		2287	=cut
		2288
		2289	sub tmp_maps() {
		2290	[
		2291	map {
		2292	utf8::decode $_;
		2293	/\.map$/
		2294	? normalise $_
		2295	: ()
		2296	} @{ aio_readdir $TMPDIR or [] }
		2297	]
		2298	}
		2299
		2300	=item $maps = cf::map::random_maps
		2301
		2302	Returns an arrayref with all map paths of currently instantiated and saved
		2303	random maps. May block.
		2304
		2305	=cut
		2306
		2307	sub random_maps() {
		2308	[
		2309	map {
		2310	utf8::decode $_;
		2311	/\.map$/
		2312	? normalise "?random/$_"
		2313	: ()
		2314	} @{ aio_readdir $RANDOMDIR or [] }
		2315	]
1716	}	2316	}
1717		2317
1718	=item cf::map::unique_maps	2318	=item cf::map::unique_maps
1719		2319
1720	Returns an arrayref of paths of all shared maps that have	2320	Returns an arrayref of paths of all shared maps that have
1721	instantiated unique items. May block.	2321	instantiated unique items. May block.
1722		2322
1723	=cut	2323	=cut
1724		2324
1725	sub unique_maps() {	2325	sub unique_maps() {
1726	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2326	[
1727	or return;	2327	map {
1728
1729	my @paths;
1730
1731	for (@$files) {
1732	utf8::decode $_;	2328	utf8::decode $_;
1733	next if /\.pst$/;	2329	s/\.map$//; # TODO future compatibility hack
1734	next unless /^$PATH_SEP/o;	2330	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1735		2331	? ()
1736	push @paths, cf::map::normalise $_;	2332	: normalise $_
		2333	} @{ aio_readdir $UNIQUEDIR or [] }
1737	}	2334	]
1738
1739	\@paths
1740	}	2335	}
1741
1742	package cf;
1743		2336
1744	=back	2337	=back
1745		2338
1746	=head3 cf::object	2339	=head3 cf::object
1747		2340
…		…
1751		2344
1752	=over 4	2345	=over 4
1753		2346
1754	=item $ob->inv_recursive	2347	=item $ob->inv_recursive
1755		2348
1756	Returns the inventory of the object _and_ their inventories, recursively.	2349	Returns the inventory of the object I<and> their inventories, recursively,
		2350	but I<not> the object itself.
1757		2351
1758	=cut	2352	=cut
1759		2353
1760	sub inv_recursive_;	2354	sub inv_recursive_;
1761	sub inv_recursive_ {	2355	sub inv_recursive_ {
…		…
1764		2358
1765	sub inv_recursive {	2359	sub inv_recursive {
1766	inv_recursive_ inv $_[0]	2360	inv_recursive_ inv $_[0]
1767	}	2361	}
1768		2362
		2363	=item $ref = $ob->ref
		2364
		2365	Creates and returns a persistent reference to an object that can be stored as a string.
		2366
		2367	=item $ob = cf::object::deref ($refstring)
		2368
		2369	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2370	even if the object actually exists. May block.
		2371
		2372	=cut
		2373
		2374	sub deref {
		2375	my ($ref) = @_;
		2376
		2377	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2378	my ($uuid, $name) = ($1, $2);
		2379	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2380	or return;
		2381	$pl->ob->uuid eq $uuid
		2382	or return;
		2383
		2384	$pl->ob
		2385	} else {
		2386	warn "$ref: cannot resolve object reference\n";
		2387	undef
		2388	}
		2389	}
		2390
1769	package cf;	2391	package cf;
1770		2392
1771	=back	2393	=back
1772		2394
1773	=head3 cf::object::player	2395	=head3 cf::object::player
…		…
1779	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2401	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1780	can be C<undef>. Does the right thing when the player is currently in a	2402	can be C<undef>. Does the right thing when the player is currently in a
1781	dialogue with the given NPC character.	2403	dialogue with the given NPC character.
1782		2404
1783	=cut	2405	=cut
		2406
		2407	our $SAY_CHANNEL = {
		2408	id => "say",
		2409	title => "Map",
		2410	reply => "say ",
		2411	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2412	};
		2413
		2414	our $CHAT_CHANNEL = {
		2415	id => "chat",
		2416	title => "Chat",
		2417	reply => "chat ",
		2418	tooltip => "Player chat and shouts, global to the server.",
		2419	};
1784		2420
1785	# rough implementation of a future "reply" method that works	2421	# rough implementation of a future "reply" method that works
1786	# with dialog boxes.	2422	# with dialog boxes.
1787	#TODO: the first argument must go, split into a $npc->reply_to ( method	2423	#TODO: the first argument must go, split into a $npc->reply_to ( method
1788	sub cf::object::player::reply($$$;$) {	2424	sub cf::object::player::reply($$$;$) {
…		…
1790		2426
1791	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2427	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1792		2428
1793	if ($self->{record_replies}) {	2429	if ($self->{record_replies}) {
1794	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2430	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2431
1795	} else {	2432	} else {
		2433	my $pl = $self->contr;
		2434
		2435	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2436	my $dialog = $pl->{npc_dialog};
		2437	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2438
		2439	} else {
1796	$msg = $npc->name . " says: $msg" if $npc;	2440	$msg = $npc->name . " says: $msg" if $npc;
1797	$self->message ($msg, $flags);	2441	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2442	}
1798	}	2443	}
		2444	}
		2445
		2446	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2447
		2448	=cut
		2449
		2450	sub cf::object::send_msg {
		2451	my $pl = shift->contr
		2452	or return;
		2453	$pl->send_msg (@_);
1799	}	2454	}
1800		2455
1801	=item $player_object->may ("access")	2456	=item $player_object->may ("access")
1802		2457
1803	Returns wether the given player is authorized to access resource "access"	2458	Returns wether the given player is authorized to access resource "access"
…		…
1816		2471
1817	=item $player_object->enter_link	2472	=item $player_object->enter_link
1818		2473
1819	Freezes the player and moves him/her to a special map (C<{link}>).	2474	Freezes the player and moves him/her to a special map (C<{link}>).
1820		2475
1821	The player should be reasonably safe there for short amounts of time. You	2476	The player should be reasonably safe there for short amounts of time (e.g.
1822	I<MUST> call C<leave_link> as soon as possible, though.	2477	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2478	though, as the palyer cannot control the character while it is on the link
		2479	map.
1823		2480
1824	Will never block.	2481	Will never block.
1825		2482
1826	=item $player_object->leave_link ($map, $x, $y)	2483	=item $player_object->leave_link ($map, $x, $y)
1827		2484
…		…
1850	$self->deactivate_recursive;	2507	$self->deactivate_recursive;
1851		2508
1852	return if UNIVERSAL::isa $self->map, "ext::map_link";	2509	return if UNIVERSAL::isa $self->map, "ext::map_link";
1853		2510
1854	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2511	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1855	if $self->map;	2512	if $self->map && $self->map->{path} ne "{link}";
1856		2513
1857	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2514	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1858	}	2515	}
1859		2516
1860	sub cf::object::player::leave_link {	2517	sub cf::object::player::leave_link {
1861	my ($self, $map, $x, $y) = @_;	2518	my ($self, $map, $x, $y) = @_;
		2519
		2520	return unless $self->contr->active;
1862		2521
1863	my $link_pos = delete $self->{_link_pos};	2522	my $link_pos = delete $self->{_link_pos};
1864		2523
1865	unless ($map) {	2524	unless ($map) {
1866	# restore original map position	2525	# restore original map position
…		…
1880	# use -1 or undef as default coordinates, not 0, 0	2539	# use -1 or undef as default coordinates, not 0, 0
1881	($x, $y) = ($map->enter_x, $map->enter_y)	2540	($x, $y) = ($map->enter_x, $map->enter_y)
1882	if $x <=0 && $y <= 0;	2541	if $x <=0 && $y <= 0;
1883		2542
1884	$map->load;	2543	$map->load;
1885	$map->load_diag;	2544	$map->load_neighbours;
1886		2545
1887	return unless $self->contr->active;	2546	return unless $self->contr->active;
		2547	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1888	$self->activate_recursive;	2548	$self->activate_recursive;
1889		2549
1890	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2550	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1891	$self->enter_map ($map, $x, $y);	2551	$self->enter_map ($map, $x, $y);
1892	}	2552	}
1893		2553
1894	cf::player->attach (	2554	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1895	on_logout => sub {
1896	my ($pl) = @_;
1897		2555
1898	# abort map switching before logout	2556	Moves the player to the given map-path and coordinates by first freezing
1899	if ($pl->ob->{_link_pos}) {	2557	her, loading and preparing them map, calling the provided $check callback
1900	cf::sync_job {	2558	that has to return the map if sucecssful, and then unfreezes the player on
1901	$pl->ob->leave_link	2559	the new (success) or old (failed) map position. In either case, $done will
1902	};	2560	be called at the end of this process.
1903	}
1904	},
1905	on_login => sub {
1906	my ($pl) = @_;
1907		2561
1908	# try to abort aborted map switching on player login :)	2562	Note that $check will be called with a potentially non-loaded map, so if
1909	# should happen only on crashes	2563	it needs a loaded map it has to call C<< ->load >>.
1910	if ($pl->ob->{_link_pos}) {
1911	$pl->ob->enter_link;
1912	(async {
1913	$pl->ob->reply (undef,
1914	"There was an internal problem at your last logout, "
1915	. "the server will try to bring you to your intended destination in a second.",
1916	cf::NDI_RED);
1917	# we need this sleep as the login has a concurrent enter_exit running
1918	# and this sleep increases chances of the player not ending up in scorn
1919	Coro::Timer::sleep 1;
1920	$pl->ob->leave_link;
1921	})->prio (2);
1922	}
1923	},
1924	);
1925		2564
1926	=item $player_object->goto ($path, $x, $y)
1927
1928	=cut	2565	=cut
		2566
		2567	our $GOTOGEN;
1929		2568
1930	sub cf::object::player::goto {	2569	sub cf::object::player::goto {
1931	my ($self, $path, $x, $y) = @_;	2570	my ($self, $path, $x, $y, $check, $done) = @_;
		2571
		2572	# do generation counting so two concurrent goto's will be executed in-order
		2573	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1932		2574
1933	$self->enter_link;	2575	$self->enter_link;
1934		2576
1935	(async {	2577	(async {
		2578	$Coro::current->{desc} = "player::goto $path $x $y";
		2579
		2580	# *tag paths override both path and x|y
		2581	if ($path =~ /^\*(.*)$/) {
		2582	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2583	my $ob = $obs[rand @obs];
		2584
		2585	# see if we actually can go there
		2586	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2587	$ob = $obs[rand @obs];
		2588	} else {
		2589	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2590	}
		2591	# else put us there anyways for now #d#
		2592
		2593	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2594	} else {
		2595	($path, $x, $y) = (undef, undef, undef);
		2596	}
		2597	}
		2598
1936	my $map = eval {	2599	my $map = eval {
1937	my $map = cf::map::find $path;	2600	my $map = defined $path ? cf::map::find $path : undef;
		2601
		2602	if ($map) {
1938	$map = $map->customise_for ($self) if $map;	2603	$map = $map->customise_for ($self);
		2604	$map = $check->($map) if $check && $map;
		2605	} else {
		2606	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2607	}
		2608
1939	$map	2609	$map
		2610	};
		2611
		2612	if ($@) {
		2613	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2614	LOG llevError | logBacktrace, Carp::longmess $@;
1940	} or	2615	}
1941	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1942		2616
		2617	if ($gen == $self->{_goto_generation}) {
		2618	delete $self->{_goto_generation};
1943	$self->leave_link ($map, $x, $y);	2619	$self->leave_link ($map, $x, $y);
		2620	}
		2621
		2622	$done->() if $done;
1944	})->prio (1);	2623	})->prio (1);
1945	}	2624	}
1946		2625
1947	=item $player_object->enter_exit ($exit_object)	2626	=item $player_object->enter_exit ($exit_object)
1948		2627
…		…
1968	}	2647	}
1969		2648
1970	sub prepare_random_map {	2649	sub prepare_random_map {
1971	my ($exit) = @_;	2650	my ($exit) = @_;
1972		2651
1973	my $guard = cf::lock_acquire "exit_prepare:$exit";
1974
1975	# all this does is basically replace the /! path by	2652	# all this does is basically replace the /! path by
1976	# a new random map path (?random/...) with a seed	2653	# a new random map path (?random/...) with a seed
1977	# that depends on the exit object	2654	# that depends on the exit object
1978		2655
1979	my $rmp = parse_random_map_params $exit->msg;	2656	my $rmp = parse_random_map_params $exit->msg;
…		…
1981	if ($exit->map) {	2658	if ($exit->map) {
1982	$rmp->{region} = $exit->region->name;	2659	$rmp->{region} = $exit->region->name;
1983	$rmp->{origin_map} = $exit->map->path;	2660	$rmp->{origin_map} = $exit->map->path;
1984	$rmp->{origin_x} = $exit->x;	2661	$rmp->{origin_x} = $exit->x;
1985	$rmp->{origin_y} = $exit->y;	2662	$rmp->{origin_y} = $exit->y;
		2663
		2664	$exit->map->touch;
1986	}	2665	}
1987		2666
1988	$rmp->{random_seed} ||= $exit->random_seed;	2667	$rmp->{random_seed} ||= $exit->random_seed;
1989		2668
1990	my $data = cf::to_json $rmp;	2669	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1991	my $md5 = Digest::MD5::md5_hex $data;	2670	my $md5 = Digest::MD5::md5_hex $data;
1992	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2671	my $meta = "$RANDOMDIR/$md5.meta";
1993		2672
1994	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2673	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1995	aio_write $fh, 0, (length $data), $data, 0;	2674	aio_write $fh, 0, (length $data), $data, 0;
1996	undef $fh;	2675	undef $fh;
1997	aio_rename "$meta~", $meta;	2676	aio_rename "$meta~", $meta;
1998		2677
		2678	my $slaying = "?random/$md5";
		2679
		2680	if ($exit->valid) {
1999	$exit->slaying ("?random/$md5");	2681	$exit->slaying ("?random/$md5");
2000	$exit->msg (undef);	2682	$exit->msg (undef);
		2683	}
2001	}	2684	}
2002	}	2685	}
2003		2686
2004	sub cf::object::player::enter_exit {	2687	sub cf::object::player::enter_exit {
2005	my ($self, $exit) = @_;	2688	my ($self, $exit) = @_;
2006		2689
2007	return unless $self->type == cf::PLAYER;	2690	return unless $self->type == cf::PLAYER;
2008		2691
2009	if ($exit->slaying eq "/!") {
2010	#TODO: this should de-fi-ni-te-ly not be a sync-job
2011	# the problem is that $exit might not survive long enough
2012	# so it needs to be done right now, right here
2013	cf::sync_job { prepare_random_map $exit };
2014	}
2015
2016	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2017	my $hp = $exit->stats->hp;
2018	my $sp = $exit->stats->sp;
2019
2020	$self->enter_link;	2692	$self->enter_link;
2021		2693
2022	(async {	2694	(async {
2023	$self->deactivate_recursive; # just to be sure	2695	$Coro::current->{desc} = "enter_exit";
		2696
2024	unless (eval {	2697	unless (eval {
		2698	$self->deactivate_recursive; # just to be sure
		2699
		2700	# random map handling
		2701	{
		2702	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2703
		2704	prepare_random_map $exit
		2705	if $exit->slaying eq "/!";
		2706	}
		2707
		2708	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2709	my $x = $exit->stats->hp;
		2710	my $y = $exit->stats->sp;
		2711
2025	$self->goto ($slaying, $hp, $sp);	2712	$self->goto ($map, $x, $y);
2026		2713
		2714	# if exit is damned, update players death & WoR home-position
		2715	$self->contr->savebed ($map, $x, $y)
		2716	if $exit->flag (cf::FLAG_DAMNED);
		2717
2027	1;	2718	1
2028	}) {	2719	}) {
2029	$self->message ("Something went wrong deep within the crossfire server. "	2720	$self->message ("Something went wrong deep within the deliantra server. "
2030	. "I'll try to bring you back to the map you were before. "	2721	. "I'll try to bring you back to the map you were before. "
2031	. "Please report this to the dungeon master!",	2722	. "Please report this to the dungeon master!",
2032	cf::NDI_UNIQUE | cf::NDI_RED);	2723	cf::NDI_UNIQUE | cf::NDI_RED);
2033		2724
2034	warn "ERROR in enter_exit: $@";	2725	warn "ERROR in enter_exit: $@";
…		…
2053		2744
2054	utf8::encode $text;	2745	utf8::encode $text;
2055	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2746	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2056	}	2747	}
2057		2748
		2749	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2750
		2751	Send a drawinfo or msg packet to the client, formatting the msg for the
		2752	client if neccessary. C<$type> should be a string identifying the type of
		2753	the message, with C<log> being the default. If C<$color> is negative, suppress
		2754	the message unless the client supports the msg packet.
		2755
		2756	=cut
		2757
		2758	# non-persistent channels (usually the info channel)
		2759	our %CHANNEL = (
		2760	"c/identify" => {
		2761	id => "infobox",
		2762	title => "Identify",
		2763	reply => undef,
		2764	tooltip => "Items recently identified",
		2765	},
		2766	"c/examine" => {
		2767	id => "infobox",
		2768	title => "Examine",
		2769	reply => undef,
		2770	tooltip => "Signs and other items you examined",
		2771	},
		2772	"c/book" => {
		2773	id => "infobox",
		2774	title => "Book",
		2775	reply => undef,
		2776	tooltip => "The contents of a note or book",
		2777	},
		2778	"c/lookat" => {
		2779	id => "infobox",
		2780	title => "Look",
		2781	reply => undef,
		2782	tooltip => "What you saw there",
		2783	},
		2784	"c/who" => {
		2785	id => "infobox",
		2786	title => "Players",
		2787	reply => undef,
		2788	tooltip => "Shows players who are currently online",
		2789	},
		2790	"c/body" => {
		2791	id => "infobox",
		2792	title => "Body Parts",
		2793	reply => undef,
		2794	tooltip => "Shows which body parts you posess and are available",
		2795	},
		2796	"c/skills" => {
		2797	id => "infobox",
		2798	title => "Skills",
		2799	reply => undef,
		2800	tooltip => "Shows your experience per skill and item power",
		2801	},
		2802	"c/uptime" => {
		2803	id => "infobox",
		2804	title => "Uptime",
		2805	reply => undef,
		2806	tooltip => "How long the server has been running since last restart",
		2807	},
		2808	"c/mapinfo" => {
		2809	id => "infobox",
		2810	title => "Map Info",
		2811	reply => undef,
		2812	tooltip => "Information related to the maps",
		2813	},
		2814	"c/party" => {
		2815	id => "party",
		2816	title => "Party",
		2817	reply => "gsay ",
		2818	tooltip => "Messages and chat related to your party",
		2819	},
		2820	);
		2821
		2822	sub cf::client::send_msg {
		2823	my ($self, $channel, $msg, $color, @extra) = @_;
		2824
		2825	$msg = $self->pl->expand_cfpod ($msg)
		2826	unless $color & cf::NDI_VERBATIM;
		2827
		2828	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2829
		2830	# check predefined channels, for the benefit of C
		2831	if ($CHANNEL{$channel}) {
		2832	$channel = $CHANNEL{$channel};
		2833
		2834	$self->ext_msg (channel_info => $channel)
		2835	if $self->can_msg;
		2836
		2837	$channel = $channel->{id};
		2838
		2839	} elsif (ref $channel) {
		2840	# send meta info to client, if not yet sent
		2841	unless (exists $self->{channel}{$channel->{id}}) {
		2842	$self->{channel}{$channel->{id}} = $channel;
		2843	$self->ext_msg (channel_info => $channel)
		2844	if $self->can_msg;
		2845	}
		2846
		2847	$channel = $channel->{id};
		2848	}
		2849
		2850	return unless @extra || length $msg;
		2851
		2852	if ($self->can_msg) {
		2853	# default colour, mask it out
		2854	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2855	if $color & cf::NDI_DEF;
		2856
		2857	my $pkt = "msg "
		2858	. $self->{json_coder}->encode (
		2859	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2860	);
		2861
		2862	# try lzf for large packets
		2863	$pkt = "lzf " . Compress::LZF::compress $pkt
		2864	if 1024 <= length $pkt and $self->{can_lzf};
		2865
		2866	# split very large packets
		2867	if (8192 < length $pkt and $self->{can_lzf}) {
		2868	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2869	$pkt = "frag";
		2870	}
		2871
		2872	$self->send_packet ($pkt);
		2873	} else {
		2874	if ($color >= 0) {
		2875	# replace some tags by gcfclient-compatible ones
		2876	for ($msg) {
		2877	1 while
		2878	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2879	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2880	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2881	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2882	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2883	}
		2884
		2885	$color &= cf::NDI_COLOR_MASK;
		2886
		2887	utf8::encode $msg;
		2888
		2889	if (0 && $msg =~ /\[/) {
		2890	# COMMAND/INFO
		2891	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2892	} else {
		2893	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2894	$self->send_packet ("drawinfo $color $msg")
		2895	}
		2896	}
		2897	}
		2898	}
		2899
2058	=item $client->ext_event ($type, %msg)	2900	=item $client->ext_msg ($type, @msg)
2059		2901
2060	Sends an exti event to the client.	2902	Sends an ext event to the client.
2061		2903
2062	=cut	2904	=cut
2063		2905
2064	sub cf::client::ext_event($$%) {	2906	sub cf::client::ext_msg($$@) {
2065	my ($self, $type, %msg) = @_;	2907	my ($self, $type, @msg) = @_;
2066		2908
		2909	if ($self->extcmd == 2) {
		2910	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2911	} elsif ($self->extcmd == 1) { # TODO: remove
2067	$msg{msgtype} = "event_$type";	2912	push @msg, msgtype => "event_$type";
2068	$self->send_packet ("ext " . cf::to_json \%msg);	2913	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2914	}
		2915	}
		2916
		2917	=item $client->ext_reply ($msgid, @msg)
		2918
		2919	Sends an ext reply to the client.
		2920
		2921	=cut
		2922
		2923	sub cf::client::ext_reply($$@) {
		2924	my ($self, $id, @msg) = @_;
		2925
		2926	if ($self->extcmd == 2) {
		2927	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2928	} elsif ($self->extcmd == 1) {
		2929	#TODO: version 1, remove
		2930	unshift @msg, msgtype => "reply", msgid => $id;
		2931	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2932	}
2069	}	2933	}
2070		2934
2071	=item $success = $client->query ($flags, "text", \&cb)	2935	=item $success = $client->query ($flags, "text", \&cb)
2072		2936
2073	Queues a query to the client, calling the given callback with	2937	Queues a query to the client, calling the given callback with
2074	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2938	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2075	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2939	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2076		2940
2077	Queries can fail, so check the return code. Or don't, as queries will become	2941	Queries can fail, so check the return code. Or don't, as queries will
2078	reliable at some point in the future.	2942	become reliable at some point in the future.
2079		2943
2080	=cut	2944	=cut
2081		2945
2082	sub cf::client::query {	2946	sub cf::client::query {
2083	my ($self, $flags, $text, $cb) = @_;	2947	my ($self, $flags, $text, $cb) = @_;
…		…
2091	utf8::encode $text;	2955	utf8::encode $text;
2092	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2956	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2093		2957
2094	$self->send_packet ($self->{query_queue}[0][0])	2958	$self->send_packet ($self->{query_queue}[0][0])
2095	if @{ $self->{query_queue} } == 1;	2959	if @{ $self->{query_queue} } == 1;
		2960
		2961	1
2096	}	2962	}
2097		2963
2098	cf::client->attach (	2964	cf::client->attach (
		2965	on_connect => sub {
		2966	my ($ns) = @_;
		2967
		2968	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2969	},
2099	on_reply => sub {	2970	on_reply => sub {
2100	my ($ns, $msg) = @_;	2971	my ($ns, $msg) = @_;
2101		2972
2102	# this weird shuffling is so that direct followup queries	2973	# this weird shuffling is so that direct followup queries
2103	# get handled first	2974	# get handled first
…		…
2115	} else {	2986	} else {
2116	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2987	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2117	}	2988	}
2118	}	2989	}
2119	},	2990	},
		2991	on_exticmd => sub {
		2992	my ($ns, $buf) = @_;
		2993
		2994	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2995
		2996	if (ref $msg) {
		2997	my ($type, $reply, @payload) =
		2998	"ARRAY" eq ref $msg
		2999	? @$msg
		3000	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3001
		3002	my @reply;
		3003
		3004	if (my $cb = $EXTICMD{$type}) {
		3005	@reply = $cb->($ns, @payload);
		3006	}
		3007
		3008	$ns->ext_reply ($reply, @reply)
		3009	if $reply;
		3010
		3011	} else {
		3012	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3013	}
		3014
		3015	cf::override;
		3016	},
2120	);	3017	);
2121		3018
2122	=item $client->async (\&cb)	3019	=item $client->async (\&cb)
2123		3020
2124	Create a new coroutine, running the specified callback. The coroutine will	3021	Create a new coroutine, running the specified callback. The coroutine will
…		…
2165	our $safe = new Safe "safe";	3062	our $safe = new Safe "safe";
2166	our $safe_hole = new Safe::Hole;	3063	our $safe_hole = new Safe::Hole;
2167		3064
2168	$SIG{FPE} = 'IGNORE';	3065	$SIG{FPE} = 'IGNORE';
2169		3066
2170	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3067	$safe->permit_only (Opcode::opset qw(
		3068	:base_core :base_mem :base_orig :base_math
		3069	grepstart grepwhile mapstart mapwhile
		3070	sort time
		3071	));
2171		3072
2172	# here we export the classes and methods available to script code	3073	# here we export the classes and methods available to script code
2173		3074
2174	=pod	3075	=pod
2175		3076
2176	The following functions and methods are available within a safe environment:	3077	The following functions and methods are available within a safe environment:
2177		3078
2178	cf::object contr pay_amount pay_player map	3079	cf::object
		3080	contr pay_amount pay_player map x y force_find force_add destroy
		3081	insert remove name archname title slaying race decrease split
		3082
2179	cf::object::player player	3083	cf::object::player
2180	cf::player peaceful	3084	player
2181	cf::map trigger	3085
		3086	cf::player
		3087	peaceful
		3088
		3089	cf::map
		3090	trigger
2182		3091
2183	=cut	3092	=cut
2184		3093
2185	for (	3094	for (
2186	["cf::object" => qw(contr pay_amount pay_player map)],	3095	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3096	insert remove inv nrof name archname title slaying race
		3097	decrease split destroy change_exp)],
2187	["cf::object::player" => qw(player)],	3098	["cf::object::player" => qw(player)],
2188	["cf::player" => qw(peaceful)],	3099	["cf::player" => qw(peaceful)],
2189	["cf::map" => qw(trigger)],	3100	["cf::map" => qw(trigger)],
2190	) {	3101	) {
2191	no strict 'refs';	3102	no strict 'refs';
…		…
2262	=back	3173	=back
2263		3174
2264	=cut	3175	=cut
2265		3176
2266	#############################################################################	3177	#############################################################################
2267
2268	=head2 EXTENSION DATABASE SUPPORT
2269
2270	Crossfire maintains a very simple database for extension use. It can
2271	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2272	convert to/from binary).
2273
2274	The parameter C<$family> should best start with the name of the extension
2275	using it, it should be unique.
2276
2277	=over 4
2278
2279	=item $value = cf::db_get $family => $key
2280
2281	Returns a single value from the database.
2282
2283	=item cf::db_put $family => $key => $value
2284
2285	Stores the given C<$value> in the family.
2286
2287	=cut
2288
2289	our $DB;
2290
2291	sub db_init {
2292	unless ($DB) {
2293	$DB = BDB::db_create $DB_ENV;
2294
2295	cf::sync_job {
2296	eval {
2297	$DB->set_flags (BDB::CHKSUM);
2298
2299	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2300	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2301	cf::cleanup "db_open(db): $!" if $!;
2302	};
2303	cf::cleanup "db_open(db): $@" if $@;
2304	};
2305	}
2306	}
2307
2308	sub db_get($$) {
2309	my $key = "$_[0]/$_[1]";
2310
2311	cf::sync_job {
2312	BDB::db_get $DB, undef, $key, my $data;
2313
2314	$! ? ()
2315	: $data
2316	}
2317	}
2318
2319	sub db_put($$$) {
2320	BDB::dbreq_pri 4;
2321	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2322	}
2323
2324	=item cf::cache $id => [$paths...], $processversion => $process
2325
2326	Generic caching function that returns the value of the resource $id,
2327	caching and regenerating as required.
2328
2329	This function can block.
2330
2331	=cut
2332
2333	sub cache {
2334	my ($id, $src, $processversion, $process) = @_;
2335
2336	my $meta =
2337	join "\x00",
2338	$processversion,
2339	map {
2340	aio_stat $_
2341	and Carp::croak "$_: $!";
2342
2343	($_, (stat _)[7,9])
2344	} @$src;
2345
2346	my $dbmeta = db_get cache => "$id/meta";
2347	if ($dbmeta ne $meta) {
2348	# changed, we may need to process
2349
2350	my @data;
2351	my $md5;
2352
2353	for (0 .. $#$src) {
2354	0 <= aio_load $src->[$_], $data[$_]
2355	or Carp::croak "$src->[$_]: $!";
2356	}
2357
2358	# if processing is expensive, check
2359	# checksum first
2360	if (1) {
2361	$md5 =
2362	join "\x00",
2363	$processversion,
2364	map {
2365	Coro::cede;
2366	($src->[$_], Digest::MD5::md5_hex $data[$_])
2367	} 0.. $#$src;
2368
2369
2370	my $dbmd5 = db_get cache => "$id/md5";
2371	if ($dbmd5 eq $md5) {
2372	db_put cache => "$id/meta", $meta;
2373
2374	return db_get cache => "$id/data";
2375	}
2376	}
2377
2378	my $data = $process->(\@data);
2379
2380	db_put cache => "$id/data", $data;
2381	db_put cache => "$id/md5" , $md5;
2382	db_put cache => "$id/meta", $meta;
2383
2384	return $data;
2385	}
2386
2387	db_get cache => "$id/data"
2388	}
2389
2390	=item fork_call { }, $args
2391
2392	Executes the given code block with the given arguments in a seperate
2393	process, returning the results. Everything must be serialisable with
2394	Coro::Storable. May, of course, block. Note that the executed sub may
2395	never block itself or use any form of Event handling.
2396
2397	=cut
2398
2399	sub fork_call(&@) {
2400	my ($cb, @args) = @_;
2401
2402	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2403	# or die "socketpair: $!";
2404	pipe my $fh1, my $fh2
2405	or die "pipe: $!";
2406
2407	if (my $pid = fork) {
2408	close $fh2;
2409
2410	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2411	$res = Coro::Storable::thaw $res;
2412
2413	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2414
2415	die $$res unless "ARRAY" eq ref $res;
2416
2417	return wantarray ? @$res : $res->[-1];
2418	} else {
2419	eval {
2420	local $SIG{__DIE__};
2421	local $SIG{__WARN__};
2422	close $fh1;
2423
2424	my @res = eval { $cb->(@args) };
2425	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2426	};
2427
2428	_exit 0;
2429	}
2430	}
2431
2432
2433
2434	#############################################################################
2435	# the server's init and main functions	3178	# the server's init and main functions
2436		3179
2437	sub load_facedata($) {	3180	sub load_facedata($) {
2438	my ($path) = @_;	3181	my ($path) = @_;
		3182
		3183	# HACK to clear player env face cache, we need some signal framework
		3184	# for this (global event?)
		3185	%ext::player_env::MUSIC_FACE_CACHE = ();
		3186
		3187	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2439		3188
2440	warn "loading facedata from $path\n";	3189	warn "loading facedata from $path\n";
2441		3190
2442	my $facedata;	3191	my $facedata;
2443	0 < aio_load $path, $facedata	3192	0 < aio_load $path, $facedata
…		…
2446	$facedata = Coro::Storable::thaw $facedata;	3195	$facedata = Coro::Storable::thaw $facedata;
2447		3196
2448	$facedata->{version} == 2	3197	$facedata->{version} == 2
2449	or cf::cleanup "$path: version mismatch, cannot proceed.";	3198	or cf::cleanup "$path: version mismatch, cannot proceed.";
2450		3199
		3200	# patch in the exptable
		3201	$facedata->{resource}{"res/exp_table"} = {
		3202	type => FT_RSRC,
		3203	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3204	};
		3205	cf::cede_to_tick;
		3206
2451	{	3207	{
2452	my $faces = $facedata->{faceinfo};	3208	my $faces = $facedata->{faceinfo};
2453		3209
2454	while (my ($face, $info) = each %$faces) {	3210	while (my ($face, $info) = each %$faces) {
2455	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3211	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3212
2456	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3213	cf::face::set_visibility $idx, $info->{visibility};
		3214	cf::face::set_magicmap $idx, $info->{magicmap};
2457	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3215	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2458	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3216	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2459	Coro::cede;	3217
		3218	cf::cede_to_tick;
2460	}	3219	}
2461		3220
2462	while (my ($face, $info) = each %$faces) {	3221	while (my ($face, $info) = each %$faces) {
2463	next unless $info->{smooth};	3222	next unless $info->{smooth};
		3223
2464	my $idx = cf::face::find $face	3224	my $idx = cf::face::find $face
2465	or next;	3225	or next;
		3226
2466	if (my $smooth = cf::face::find $info->{smooth}) {	3227	if (my $smooth = cf::face::find $info->{smooth}) {
		3228	cf::face::set_smooth $idx, $smooth;
2467	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3229	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2468	} else {	3230	} else {
2469	warn "smooth face '$info->{smooth}' not found for face '$face'";	3231	warn "smooth face '$info->{smooth}' not found for face '$face'";
2470	}	3232	}
2471	Coro::cede;	3233
		3234	cf::cede_to_tick;
2472	}	3235	}
2473	}	3236	}
2474		3237
2475	{	3238	{
2476	my $anims = $facedata->{animinfo};	3239	my $anims = $facedata->{animinfo};
2477		3240
2478	while (my ($anim, $info) = each %$anims) {	3241	while (my ($anim, $info) = each %$anims) {
2479	cf::anim::set $anim, $info->{frames}, $info->{facings};	3242	cf::anim::set $anim, $info->{frames}, $info->{facings};
2480	Coro::cede;	3243	cf::cede_to_tick;
2481	}	3244	}
2482		3245
2483	cf::anim::invalidate_all; # d'oh	3246	cf::anim::invalidate_all; # d'oh
2484	}	3247	}
2485		3248
		3249	{
		3250	# TODO: for gcfclient pleasure, we should give resources
		3251	# that gcfclient doesn't grok a >10000 face index.
		3252	my $res = $facedata->{resource};
		3253
		3254	while (my ($name, $info) = each %$res) {
		3255	if (defined $info->{type}) {
		3256	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3257	my $data;
		3258
		3259	if ($info->{type} & 1) {
		3260	# prepend meta info
		3261
		3262	my $meta = $enc->encode ({
		3263	name => $name,
		3264	%{ $info->{meta} || {} },
		3265	});
		3266
		3267	$data = pack "(w/a*)*", $meta, $info->{data};
		3268	} else {
		3269	$data = $info->{data};
		3270	}
		3271
		3272	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3273	cf::face::set_type $idx, $info->{type};
		3274	} else {
		3275	$RESOURCE{$name} = $info;
		3276	}
		3277
		3278	cf::cede_to_tick;
		3279	}
		3280	}
		3281
		3282	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3283
2486	1	3284	1
2487	}	3285	}
2488		3286
		3287	cf::global->attach (on_resource_update => sub {
		3288	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3289	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3290
		3291	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3292	my $sound = $soundconf->{compat}[$_]
		3293	or next;
		3294
		3295	my $face = cf::face::find "sound/$sound->[1]";
		3296	cf::sound::set $sound->[0] => $face;
		3297	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3298	}
		3299
		3300	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3301	my $face = cf::face::find "sound/$v";
		3302	cf::sound::set $k => $face;
		3303	}
		3304	}
		3305	});
		3306
		3307	register_exticmd fx_want => sub {
		3308	my ($ns, $want) = @_;
		3309
		3310	while (my ($k, $v) = each %$want) {
		3311	$ns->fx_want ($k, $v);
		3312	}
		3313	};
		3314
		3315	sub load_resource_file($) {
		3316	my $guard = lock_acquire "load_resource_file";
		3317
		3318	my $status = load_resource_file_ $_[0];
		3319	get_slot 0.1, 100;
		3320	cf::arch::commit_load;
		3321
		3322	$status
		3323	}
		3324
		3325	sub reload_regions {
		3326	# HACK to clear player env face cache, we need some signal framework
		3327	# for this (global event?)
		3328	%ext::player_env::MUSIC_FACE_CACHE = ();
		3329
		3330	load_resource_file "$MAPDIR/regions"
		3331	or die "unable to load regions file\n";
		3332
		3333	for (cf::region::list) {
		3334	$_->{match} = qr/$_->{match}/
		3335	if exists $_->{match};
		3336	}
		3337	}
		3338
2489	sub reload_facedata {	3339	sub reload_facedata {
2490	load_facedata sprintf "%s/facedata", cf::datadir	3340	load_facedata "$DATADIR/facedata"
2491	or die "unable to load facedata\n";	3341	or die "unable to load facedata\n";
2492	}	3342	}
2493		3343
2494	sub reload_regions {
2495	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2496	or die "unable to load regions file\n";
2497	}
2498
2499	sub reload_archetypes {	3344	sub reload_archetypes {
2500	load_resource_file sprintf "%s/archetypes", cf::datadir	3345	load_resource_file "$DATADIR/archetypes"
2501	or die "unable to load archetypes\n";	3346	or die "unable to load archetypes\n";
2502	}	3347	}
2503		3348
2504	sub reload_treasures {	3349	sub reload_treasures {
2505	load_resource_file sprintf "%s/treasures", cf::datadir	3350	load_resource_file "$DATADIR/treasures"
2506	or die "unable to load treasurelists\n";	3351	or die "unable to load treasurelists\n";
2507	}	3352	}
2508		3353
2509	sub reload_resources {	3354	sub reload_resources {
2510	warn "reloading resource files...\n";	3355	warn "reloading resource files...\n";
2511		3356
2512	reload_regions;
2513	reload_facedata;	3357	reload_facedata;
2514	reload_archetypes;	3358	reload_archetypes;
		3359	reload_regions;
2515	reload_treasures;	3360	reload_treasures;
2516		3361
2517	warn "finished reloading resource files\n";	3362	warn "finished reloading resource files\n";
2518	}	3363	}
2519		3364
2520	sub init {	3365	sub reload_config {
2521	reload_resources;
2522	}
2523
2524	sub cfg_load {
2525	open my $fh, "<:utf8", cf::confdir . "/config"	3366	open my $fh, "<:utf8", "$CONFDIR/config"
2526	or return;	3367	or return;
2527		3368
2528	local $/;	3369	local $/;
2529	*CFG = YAML::Syck::Load <$fh>;	3370	*CFG = YAML::Load <$fh>;
2530		3371
2531	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3372	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2532		3373
2533	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3374	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2534	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3375	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2540	};	3381	};
2541	warn $@ if $@;	3382	warn $@ if $@;
2542	}	3383	}
2543	}	3384	}
2544		3385
		3386	sub pidfile() {
		3387	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3388	or die "$PIDFILE: $!";
		3389	flock $fh, &Fcntl::LOCK_EX
		3390	or die "$PIDFILE: flock: $!";
		3391	$fh
		3392	}
		3393
		3394	# make sure only one server instance is running at any one time
		3395	sub atomic {
		3396	my $fh = pidfile;
		3397
		3398	my $pid = <$fh>;
		3399	kill 9, $pid if $pid > 0;
		3400
		3401	seek $fh, 0, 0;
		3402	print $fh $$;
		3403	}
		3404
2545	sub main {	3405	sub main {
		3406	cf::init_globals; # initialise logging
		3407
		3408	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3409	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3410	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3411	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3412
		3413	cf::init_experience;
		3414	cf::init_anim;
		3415	cf::init_attackmess;
		3416	cf::init_dynamic;
		3417	cf::init_block;
		3418
		3419	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3420
2546	# we must not ever block the main coroutine	3421	# we must not ever block the main coroutine
2547	local $Coro::idle = sub {	3422	local $Coro::idle = sub {
2548	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3423	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2549	(async {	3424	(async {
2550	Event::one_event;	3425	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3426	EV::loop EV::LOOP_ONESHOT;
2551	})->prio (Coro::PRIO_MAX);	3427	})->prio (Coro::PRIO_MAX);
2552	};	3428	};
2553		3429
2554	cfg_load;	3430	evthread_start IO::AIO::poll_fileno;
		3431
		3432	cf::sync_job {
		3433	reload_resources;
		3434	reload_config;
2555	db_init;	3435	db_init;
		3436
		3437	cf::load_settings;
		3438	cf::load_materials;
		3439	cf::init_uuid;
		3440	cf::init_signals;
		3441	cf::init_commands;
		3442	cf::init_skills;
		3443
		3444	cf::init_beforeplay;
		3445
		3446	atomic;
		3447
2556	load_extensions;	3448	load_extensions;
2557		3449
2558	$TICK_WATCHER->start;	3450	utime time, time, $RUNTIMEFILE;
		3451
		3452	# no (long-running) fork's whatsoever before this point(!)
		3453	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3454
		3455	(pop @POST_INIT)->(0) while @POST_INIT;
		3456	};
		3457
2559	Event::loop;	3458	EV::loop;
2560	}	3459	}
2561		3460
2562	#############################################################################	3461	#############################################################################
2563	# initialisation and cleanup	3462	# initialisation and cleanup
2564		3463
2565	# install some emergency cleanup handlers	3464	# install some emergency cleanup handlers
2566	BEGIN {	3465	BEGIN {
		3466	our %SIGWATCHER = ();
2567	for my $signal (qw(INT HUP TERM)) {	3467	for my $signal (qw(INT HUP TERM)) {
2568	Event->signal (	3468	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2569	reentrant => 0,
2570	data => WF_AUTOCANCEL,
2571	signal => $signal,
2572	prio => 0,
2573	cb => sub {
2574	cf::cleanup "SIG$signal";	3469	cf::cleanup "SIG$signal";
2575	},
2576	);	3470	};
		3471	}
		3472	}
		3473
		3474	sub write_runtime_sync {
		3475	# first touch the runtime file to show we are still running:
		3476	# the fsync below can take a very very long time.
		3477
		3478	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3479
		3480	my $guard = cf::lock_acquire "write_runtime";
		3481
		3482	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3483	or return;
		3484
		3485	my $value = $cf::RUNTIME + 90 + 10;
		3486	# 10 is the runtime save interval, for a monotonic clock
		3487	# 60 allows for the watchdog to kill the server.
		3488
		3489	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3490	and return;
		3491
		3492	# always fsync - this file is important
		3493	aio_fsync $fh
		3494	and return;
		3495
		3496	# touch it again to show we are up-to-date
		3497	aio_utime $fh, undef, undef;
		3498
		3499	close $fh
		3500	or return;
		3501
		3502	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3503	and return;
		3504
		3505	warn "runtime file written.\n";
		3506
2577	}	3507	1
		3508	}
		3509
		3510	our $uuid_lock;
		3511	our $uuid_skip;
		3512
		3513	sub write_uuid_sync($) {
		3514	$uuid_skip ||= $_[0];
		3515
		3516	return if $uuid_lock;
		3517	local $uuid_lock = 1;
		3518
		3519	my $uuid = "$LOCALDIR/uuid";
		3520
		3521	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3522	or return;
		3523
		3524	my $value = uuid_seq uuid_cur;
		3525
		3526	unless ($value) {
		3527	warn "cowardly refusing to write zero uuid value!\n";
		3528	return;
		3529	}
		3530
		3531	my $value = uuid_str $value + $uuid_skip;
		3532	$uuid_skip = 0;
		3533
		3534	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3535	and return;
		3536
		3537	# always fsync - this file is important
		3538	aio_fsync $fh
		3539	and return;
		3540
		3541	close $fh
		3542	or return;
		3543
		3544	aio_rename "$uuid~", $uuid
		3545	and return;
		3546
		3547	warn "uuid file written ($value).\n";
		3548
		3549	1
		3550
		3551	}
		3552
		3553	sub write_uuid($$) {
		3554	my ($skip, $sync) = @_;
		3555
		3556	$sync ? write_uuid_sync $skip
		3557	: async { write_uuid_sync $skip };
2578	}	3558	}
2579		3559
2580	sub emergency_save() {	3560	sub emergency_save() {
2581	my $freeze_guard = cf::freeze_mainloop;	3561	my $freeze_guard = cf::freeze_mainloop;
2582		3562
…		…
2588	# and maps saved/destroyed asynchronously.	3568	# and maps saved/destroyed asynchronously.
2589	warn "begin emergency player save\n";	3569	warn "begin emergency player save\n";
2590	for my $login (keys %cf::PLAYER) {	3570	for my $login (keys %cf::PLAYER) {
2591	my $pl = $cf::PLAYER{$login} or next;	3571	my $pl = $cf::PLAYER{$login} or next;
2592	$pl->valid or next;	3572	$pl->valid or next;
		3573	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2593	$pl->save;	3574	$pl->save;
2594	}	3575	}
2595	warn "end emergency player save\n";	3576	warn "end emergency player save\n";
2596		3577
2597	warn "begin emergency map save\n";	3578	warn "begin emergency map save\n";
…		…
2603	warn "end emergency map save\n";	3584	warn "end emergency map save\n";
2604		3585
2605	warn "begin emergency database checkpoint\n";	3586	warn "begin emergency database checkpoint\n";
2606	BDB::db_env_txn_checkpoint $DB_ENV;	3587	BDB::db_env_txn_checkpoint $DB_ENV;
2607	warn "end emergency database checkpoint\n";	3588	warn "end emergency database checkpoint\n";
		3589
		3590	warn "begin write uuid\n";
		3591	write_uuid_sync 1;
		3592	warn "end write uuid\n";
2608	};	3593	};
2609		3594
2610	warn "leave emergency perl save\n";	3595	warn "leave emergency perl save\n";
2611	}	3596	}
2612		3597
2613	sub post_cleanup {	3598	sub post_cleanup {
2614	my ($make_core) = @_;	3599	my ($make_core) = @_;
2615		3600
2616	warn Carp::longmess "post_cleanup backtrace"	3601	warn Carp::longmess "post_cleanup backtrace"
2617	if $make_core;	3602	if $make_core;
		3603
		3604	my $fh = pidfile;
		3605	unlink $PIDFILE if <$fh> == $$;
		3606	}
		3607
		3608	# a safer delete_package, copied from Symbol
		3609	sub clear_package($) {
		3610	my $pkg = shift;
		3611
		3612	# expand to full symbol table name if needed
		3613	unless ($pkg =~ /^main::.*::$/) {
		3614	$pkg = "main$pkg" if $pkg =~ /^::/;
		3615	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3616	$pkg .= '::' unless $pkg =~ /::$/;
		3617	}
		3618
		3619	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3620	my $stem_symtab = *{$stem}{HASH};
		3621
		3622	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3623	or return;
		3624
		3625	# clear all symbols
		3626	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3627	for my $name (keys %$leaf_symtab) {
		3628	_gv_clear *{"$pkg$name"};
		3629	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3630	}
		3631	warn "cleared package $pkg\n";#d#
2618	}	3632	}
2619		3633
2620	sub do_reload_perl() {	3634	sub do_reload_perl() {
2621	# can/must only be called in main	3635	# can/must only be called in main
2622	if ($Coro::current != $Coro::main) {	3636	if ($Coro::current != $Coro::main) {
2623	warn "can only reload from main coroutine";	3637	warn "can only reload from main coroutine";
2624	return;	3638	return;
2625	}	3639	}
2626		3640
		3641	return if $RELOAD++;
		3642
		3643	while ($RELOAD) {
2627	warn "reloading...";	3644	warn "reloading...";
2628		3645
2629	warn "entering sync_job";	3646	warn "entering sync_job";
2630		3647
2631	cf::sync_job {	3648	cf::sync_job {
2632	cf::write_runtime; # external watchdog should not bark	3649	cf::write_runtime_sync; # external watchdog should not bark
2633	cf::emergency_save;	3650	cf::emergency_save;
2634	cf::write_runtime; # external watchdog should not bark	3651	cf::write_runtime_sync; # external watchdog should not bark
2635		3652
2636	warn "syncing database to disk";	3653	warn "syncing database to disk";
2637	BDB::db_env_txn_checkpoint $DB_ENV;	3654	BDB::db_env_txn_checkpoint $DB_ENV;
2638		3655
2639	# if anything goes wrong in here, we should simply crash as we already saved	3656	# if anything goes wrong in here, we should simply crash as we already saved
2640		3657
2641	warn "cancelling all WF_AUTOCANCEL watchers";
2642	for (Event::all_watchers) {
2643	$_->cancel if $_->data & WF_AUTOCANCEL;
2644	}
2645
2646	warn "flushing outstanding aio requests";	3658	warn "flushing outstanding aio requests";
2647	for (;;) {
2648	BDB::flush;
2649	IO::AIO::flush;
2650	Coro::cede;
2651	last unless IO::AIO::nreqs || BDB::nreqs;	3659	while (IO::AIO::nreqs || BDB::nreqs) {
2652	warn "iterate...";	3660	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2653	}
2654
2655	++$RELOAD;
2656
2657	warn "cancelling all extension coros";
2658	$_->cancel for values %EXT_CORO;
2659	%EXT_CORO = ();
2660
2661	warn "removing commands";
2662	%COMMAND = ();
2663
2664	warn "removing ext commands";
2665	%EXTCMD = ();
2666
2667	warn "unloading/nuking all extensions";
2668	for my $pkg (@EXTS) {
2669	warn "... unloading $pkg";
2670
2671	if (my $cb = $pkg->can ("unload")) {
2672	eval {
2673	$cb->($pkg);
2674	1
2675	} or warn "$pkg unloaded, but with errors: $@";
2676	}	3661	}
2677		3662
2678	warn "... nuking $pkg";	3663	warn "cancelling all extension coros";
2679	Symbol::delete_package $pkg;	3664	$_->cancel for values %EXT_CORO;
2680	}	3665	%EXT_CORO = ();
2681		3666
2682	warn "unloading all perl modules loaded from $LIBDIR";	3667	warn "removing commands";
2683	while (my ($k, $v) = each %INC) {	3668	%COMMAND = ();
2684	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2685		3669
		3670	warn "removing ext/exti commands";
		3671	%EXTCMD = ();
		3672	%EXTICMD = ();
		3673
		3674	warn "unloading/nuking all extensions";
		3675	for my $pkg (@EXTS) {
2686	warn "... unloading $k";	3676	warn "... unloading $pkg";
2687	delete $INC{$k};
2688		3677
2689	$k =~ s/\.pm$//;
2690	$k =~ s/\//::/g;
2691
2692	if (my $cb = $k->can ("unload_module")) {	3678	if (my $cb = $pkg->can ("unload")) {
		3679	eval {
2693	$cb->();	3680	$cb->($pkg);
		3681	1
		3682	} or warn "$pkg unloaded, but with errors: $@";
		3683	}
		3684
		3685	warn "... clearing $pkg";
		3686	clear_package $pkg;
2694	}	3687	}
2695		3688
2696	Symbol::delete_package $k;	3689	warn "unloading all perl modules loaded from $LIBDIR";
		3690	while (my ($k, $v) = each %INC) {
		3691	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3692
		3693	warn "... unloading $k";
		3694	delete $INC{$k};
		3695
		3696	$k =~ s/\.pm$//;
		3697	$k =~ s/\//::/g;
		3698
		3699	if (my $cb = $k->can ("unload_module")) {
		3700	$cb->();
		3701	}
		3702
		3703	clear_package $k;
2697	}	3704	}
2698		3705
2699	warn "getting rid of safe::, as good as possible";	3706	warn "getting rid of safe::, as good as possible";
2700	Symbol::delete_package "safe::$_"	3707	clear_package "safe::$_"
2701	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3708	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2702		3709
2703	warn "unloading cf.pm \"a bit\"";	3710	warn "unloading cf.pm \"a bit\"";
2704	delete $INC{"cf.pm"};	3711	delete $INC{"cf.pm"};
		3712	delete $INC{"cf/pod.pm"};
2705		3713
2706	# don't, removes xs symbols, too,	3714	# don't, removes xs symbols, too,
2707	# and global variables created in xs	3715	# and global variables created in xs
2708	#Symbol::delete_package __PACKAGE__;	3716	#clear_package __PACKAGE__;
2709		3717
2710	warn "unload completed, starting to reload now";	3718	warn "unload completed, starting to reload now";
2711		3719
2712	warn "reloading cf.pm";	3720	warn "reloading cf.pm";
2713	require cf;	3721	require cf;
2714	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3722	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2715		3723
2716	warn "loading config and database again";	3724	warn "loading config and database again";
2717	cf::cfg_load;	3725	cf::reload_config;
2718		3726
2719	warn "loading extensions";	3727	warn "loading extensions";
2720	cf::load_extensions;	3728	cf::load_extensions;
2721		3729
2722	warn "reattaching attachments to objects/players";	3730	warn "reattaching attachments to objects/players";
2723	_global_reattach; # objects, sockets	3731	_global_reattach; # objects, sockets
2724	warn "reattaching attachments to maps";	3732	warn "reattaching attachments to maps";
2725	reattach $_ for values %MAP;	3733	reattach $_ for values %MAP;
2726	warn "reattaching attachments to players";	3734	warn "reattaching attachments to players";
2727	reattach $_ for values %PLAYER;	3735	reattach $_ for values %PLAYER;
2728		3736
		3737	warn "running post_load";
		3738	(pop @POST_INIT)->(1) while @POST_INIT;
		3739
2729	warn "leaving sync_job";	3740	warn "leaving sync_job";
2730		3741
2731	1	3742	1
2732	} or do {	3743	} or do {
2733	warn $@;	3744	warn $@;
2734	warn "error while reloading, exiting.";	3745	cf::cleanup "error while reloading, exiting.";
2735	exit 1;
2736	};	3746	};
2737		3747
2738	warn "reloaded";	3748	warn "reloaded";
		3749	--$RELOAD;
		3750	}
2739	};	3751	};
2740		3752
2741	our $RELOAD_WATCHER; # used only during reload	3753	our $RELOAD_WATCHER; # used only during reload
2742		3754
2743	sub reload_perl() {	3755	sub reload_perl() {
2744	# doing reload synchronously and two reloads happen back-to-back,	3756	# doing reload synchronously and two reloads happen back-to-back,
2745	# coro crashes during coro_state_free->destroy here.	3757	# coro crashes during coro_state_free->destroy here.
2746		3758
2747	$RELOAD_WATCHER ||= Event->timer (	3759	$RELOAD_WATCHER ||= EV::timer $TICK * 1.5, 0, sub {
2748	reentrant => 0,
2749	after => 0,
2750	data => WF_AUTOCANCEL,
2751	cb => sub {
2752	do_reload_perl;	3760	do_reload_perl;
2753	undef $RELOAD_WATCHER;	3761	undef $RELOAD_WATCHER;
2754	},
2755	);	3762	};
2756	}	3763	}
2757		3764
2758	register_command "reload" => sub {	3765	register_command "reload" => sub {
2759	my ($who, $arg) = @_;	3766	my ($who, $arg) = @_;
2760		3767
2761	if ($who->flag (FLAG_WIZ)) {	3768	if ($who->flag (FLAG_WIZ)) {
2762	$who->message ("reloading server.");	3769	$who->message ("reloading server.");
		3770	async {
		3771	$Coro::current->{desc} = "perl_reload";
2763	async { reload_perl };	3772	reload_perl;
		3773	};
2764	}	3774	}
2765	};	3775	};
2766		3776
2767	unshift @INC, $LIBDIR;	3777	unshift @INC, $LIBDIR;
2768		3778
…		…
2770		3780
2771	our @WAIT_FOR_TICK;	3781	our @WAIT_FOR_TICK;
2772	our @WAIT_FOR_TICK_BEGIN;	3782	our @WAIT_FOR_TICK_BEGIN;
2773		3783
2774	sub wait_for_tick {	3784	sub wait_for_tick {
2775	return unless $TICK_WATCHER->is_active;
2776	return if $Coro::current == $Coro::main;	3785	return if tick_inhibit || $Coro::current == $Coro::main;
2777		3786
2778	my $signal = new Coro::Signal;	3787	my $signal = new Coro::Signal;
2779	push @WAIT_FOR_TICK, $signal;	3788	push @WAIT_FOR_TICK, $signal;
2780	$signal->wait;	3789	$signal->wait;
2781	}	3790	}
2782		3791
2783	sub wait_for_tick_begin {	3792	sub wait_for_tick_begin {
2784	return unless $TICK_WATCHER->is_active;
2785	return if $Coro::current == $Coro::main;	3793	return if tick_inhibit || $Coro::current == $Coro::main;
2786		3794
2787	my $signal = new Coro::Signal;	3795	my $signal = new Coro::Signal;
2788	push @WAIT_FOR_TICK_BEGIN, $signal;	3796	push @WAIT_FOR_TICK_BEGIN, $signal;
2789	$signal->wait;	3797	$signal->wait;
2790	}	3798	}
2791		3799
2792	$TICK_WATCHER = Event->timer (	3800	sub tick {
2793	reentrant => 0,
2794	parked => 1,
2795	prio => 0,
2796	at => $NEXT_TICK || $TICK,
2797	data => WF_AUTOCANCEL,
2798	cb => sub {
2799	if ($Coro::current != $Coro::main) {	3801	if ($Coro::current != $Coro::main) {
2800	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3802	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2801	unless ++$bug_warning > 10;	3803	unless ++$bug_warning > 10;
2802	return;	3804	return;
2803	}	3805	}
2804		3806
2805	$NOW = Event::time;
2806
2807	cf::server_tick; # one server iteration	3807	cf::server_tick; # one server iteration
2808		3808
2809	$RUNTIME += $TICK;
2810	$NEXT_TICK += $TICK;
2811
2812	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3809	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2813	$NEXT_RUNTIME_WRITE = $NOW + 10;	3810	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2814	Coro::async_pool {	3811	Coro::async_pool {
		3812	$Coro::current->{desc} = "runtime saver";
2815	write_runtime	3813	write_runtime_sync
2816	or warn "ERROR: unable to write runtime file: $!";	3814	or warn "ERROR: unable to write runtime file: $!";
2817	};
2818	}	3815	};
		3816	}
2819		3817
2820	# my $AFTER = Event::time;
2821	# warn $AFTER - $NOW;#d#
2822
2823	# if we are delayed by four ticks or more, skip them all
2824	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2825
2826	$TICK_WATCHER->at ($NEXT_TICK);
2827	$TICK_WATCHER->start;
2828
2829	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3818	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2830	$sig->send;	3819	$sig->send;
2831	}	3820	}
2832	while (my $sig = shift @WAIT_FOR_TICK) {	3821	while (my $sig = shift @WAIT_FOR_TICK) {
2833	$sig->send;	3822	$sig->send;
2834	}
2835
2836	_post_tick;
2837	},	3823	}
2838	);	3824
		3825	$LOAD = ($NOW - $TICK_START) / $TICK;
		3826	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3827
		3828	if (0) {
		3829	if ($NEXT_TICK) {
		3830	my $jitter = $TICK_START - $NEXT_TICK;
		3831	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3832	warn "jitter $JITTER\n";#d#
		3833	}
		3834	}
		3835	}
2839		3836
2840	{	3837	{
2841	BDB::max_poll_time $TICK * 0.1;	3838	# configure BDB
2842	$BDB_POLL_WATCHER = Event->io (	3839
2843	reentrant => 0,
2844	fd => BDB::poll_fileno,
2845	poll => 'r',
2846	prio => 0,
2847	data => WF_AUTOCANCEL,
2848	cb => \&BDB::poll_cb,
2849	);
2850	BDB::min_parallel 8;	3840	BDB::min_parallel 8;
2851		3841	BDB::max_poll_reqs $TICK * 0.1;
2852	BDB::set_sync_prepare {	3842	$AnyEvent::BDB::WATCHER->priority (1);
2853	my $status;
2854	my $current = $Coro::current;
2855	(
2856	sub {
2857	$status = $!;
2858	$current->ready; undef $current;
2859	},
2860	sub {
2861	Coro::schedule while defined $current;
2862	$! = $status;
2863	},
2864	)
2865	};
2866		3843
2867	unless ($DB_ENV) {	3844	unless ($DB_ENV) {
2868	$DB_ENV = BDB::db_env_create;	3845	$DB_ENV = BDB::db_env_create;
		3846	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3847	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3848	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3849	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3850	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2869		3851
2870	cf::sync_job {	3852	cf::sync_job {
2871	eval {	3853	eval {
2872	BDB::db_env_open	3854	BDB::db_env_open
2873	$DB_ENV,	3855	$DB_ENV,
2874	$BDB_ENV_DIR,	3856	$BDBDIR,
2875	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3857	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2876	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3858	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2877	0666;	3859	0666;
2878		3860
2879	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3861	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2880
2881	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2882	$DB_ENV->set_lk_detect;
2883	};	3862	};
2884		3863
2885	cf::cleanup "db_env_open(db): $@" if $@;	3864	cf::cleanup "db_env_open(db): $@" if $@;
2886	};	3865	};
2887	}	3866	}
		3867
		3868	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3869	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3870	};
		3871	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3872	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3873	};
		3874	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3875	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3876	};
2888	}	3877	}
2889		3878
2890	{	3879	{
		3880	# configure IO::AIO
		3881
2891	IO::AIO::min_parallel 8;	3882	IO::AIO::min_parallel 8;
2892
2893	undef $Coro::AIO::WATCHER;
2894	IO::AIO::max_poll_time $TICK * 0.1;	3883	IO::AIO::max_poll_time $TICK * 0.1;
2895	$AIO_POLL_WATCHER = Event->io (	3884	undef $AnyEvent::AIO::WATCHER;
2896	reentrant => 0,	3885	}
2897	data => WF_AUTOCANCEL,	3886
2898	fd => IO::AIO::poll_fileno,	3887	my $_log_backtrace;
2899	poll => 'r',	3888
2900	prio => 6,	3889	sub _log_backtrace {
2901	cb => \&IO::AIO::poll_cb,	3890	my ($msg, @addr) = @_;
2902	);	3891
		3892	$msg =~ s/\n//;
		3893
		3894	# limit the # of concurrent backtraces
		3895	if ($_log_backtrace < 2) {
		3896	++$_log_backtrace;
		3897	my $perl_bt = Carp::longmess $msg;
		3898	async {
		3899	$Coro::current->{desc} = "abt $msg";
		3900
		3901	my @bt = fork_call {
		3902	@addr = map { sprintf "%x", $_ } @addr;
		3903	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3904	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3905	or die "addr2line: $!";
		3906
		3907	my @funcs;
		3908	my @res = <$fh>;
		3909	chomp for @res;
		3910	while (@res) {
		3911	my ($func, $line) = splice @res, 0, 2, ();
		3912	push @funcs, "[$func] $line";
		3913	}
		3914
		3915	@funcs
		3916	};
		3917
		3918	LOG llevInfo, "[ABT] $perl_bt\n";
		3919	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3920	LOG llevInfo, "[ABT] $_\n" for @bt;
		3921	--$_log_backtrace;
		3922	};
		3923	} else {
		3924	LOG llevInfo, "[ABT] $msg\n";
		3925	LOG llevInfo, "[ABT] [suppressed]\n";
		3926	}
2903	}	3927	}
2904		3928
2905	# load additional modules	3929	# load additional modules
2906	use cf::pod;	3930	use cf::pod;
2907		3931

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