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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.278 by root, Mon Jun 11 21:38:14 2007 UTC vs.
Revision 1.526 by root, Wed Apr 21 05:48:35 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Socket;	31	use Socket;
9	use Storable;	32	use EV;
10	use Event;
11	use Opcode;	33	use Opcode;
12	use Safe;	34	use Safe;
13	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
14		38
		39	use Guard ();
15	use Coro 3.61 ();	40	use Coro ();
16	use Coro::State;	41	use Coro::State;
17	use Coro::Handle;	42	use Coro::Handle;
		43	use Coro::EV;
18	use Coro::Event;	44	use Coro::AnyEvent;
19	use Coro::Timer;	45	use Coro::Timer;
20	use Coro::Signal;	46	use Coro::Signal;
21	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
22	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
23	use Coro::Storable;	52	use Coro::Storable;
		53	use Coro::Util ();
24		54
		55	use JSON::XS 2.01 ();
25	use BDB ();	56	use BDB ();
26	use Data::Dumper;	57	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	58	use Fcntl;
29	use YAML::Syck ();	59	use YAML::XS ();
30	use IO::AIO 2.32 ();	60	use IO::AIO ();
31	use Time::HiRes;	61	use Time::HiRes;
32	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
33		66
34	# configure various modules to our taste	67	# configure various modules to our taste
35	#	68	#
36	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		77
40	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
41		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
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		80
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	98	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
		112
		113	our $OUTPUT_RATE_MIN = 4000;
		114	our $OUTPUT_RATE_MAX = 100000;
71		115
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	116	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	117	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	118	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	119	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		120
		121	our $BDB_DEADLOCK_WATCHER;
		122	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	123	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	124	our $DB_ENV;
		125
		126	our @EXTRA_MODULES = qw(pod match mapscript);
82		127
83	our %CFG;	128	our %CFG;
84		129
85	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	131	our $RUNTIME;
		132	our $NOW;
87		133
88	our %PLAYER; # all users	134	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	135	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	136	our $LINK_MAP; # the special {link} map, which is always available
91		137
92	# used to convert map paths into valid unix filenames by replacing / by ∕	138	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	139	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		140
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	141	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	142	our $LOADAVG; # same thing, but with alpha-smoothing
		143	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	144	our $TICK_START; # for load detecting purposes
		145
		146	our @POST_INIT;
		147
		148	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		149	our $REALLY_UNLOOP; # never set to true, please :)
98		150
99	binmode STDOUT;	151	binmode STDOUT;
100	binmode STDERR;	152	binmode STDERR;
101		153
102	# read virtual server time, if available	154	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	155	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	156	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	157	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	158	$RUNTIME = <$fh> + 0.;
107	}	159	}
		160
		161	eval "sub TICK() { $TICK } 1" or die;
108		162
109	mkdir $_	163	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	164	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		165
112	our $EMERGENCY_POSITION;	166	our $EMERGENCY_POSITION;
113		167
114	sub cf::map::normalise;	168	sub cf::map::normalise;
		169
		170	sub in_main() {
		171	$Coro::current == $Coro::main
		172	}
		173
		174	#############################################################################
		175
		176	%REFLECT = ();
		177	for (@REFLECT) {
		178	my $reflect = JSON::XS::decode_json $_;
		179	$REFLECT{$reflect->{class}} = $reflect;
		180	}
		181
		182	# this is decidedly evil
		183	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
115		184
116	#############################################################################	185	#############################################################################
117		186
118	=head2 GLOBAL VARIABLES	187	=head2 GLOBAL VARIABLES
119		188
…		…
155		224
156	The raw value load value from the last tick.	225	The raw value load value from the last tick.
157		226
158	=item %cf::CFG	227	=item %cf::CFG
159		228
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	229	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	230	from wherever your confdir points to.
162		231
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	232	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		233
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	234	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	235	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	236	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		237
		238	=item @cf::INVOKE_RESULTS
		239
		240	This array contains the results of the last C<invoke ()> call. When
		241	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		242	that call.
		243
		244	=item %cf::REFLECT
		245
		246	Contains, for each (C++) class name, a hash reference with information
		247	about object members (methods, scalars, arrays and flags) and other
		248	metadata, which is useful for introspection.
		249
169	=back	250	=back
170		251
171	=cut	252	=cut
172		253
173	BEGIN {	254	$Coro::State::WARNHOOK = sub {
174	*CORE::GLOBAL::warn = sub {
175	my $msg = join "", @_;	255	my $msg = join "", @_;
176		256
177	$msg .= "\n"	257	$msg .= "\n"
178	unless $msg =~ /\n$/;	258	unless $msg =~ /\n$/;
179		259
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	260	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		261
182	utf8::encode $msg;
183	LOG llevError, $msg;	262	LOG llevError, $msg;
184	};	263	};
185	}	264
		265	$Coro::State::DIEHOOK = sub {
		266	return unless $^S eq 0; # "eq", not "=="
		267
		268	warn Carp::longmess $_[0];
		269
		270	if (in_main) {#d#
		271	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		272	return;#d#
		273	}#d#
		274
		275	# kill coroutine otherwise
		276	Coro::terminate
		277	};
186		278
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	279	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	280	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	281	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	282	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	289	for my $pkg (qw(
198	cf::global cf::attachable	290	cf::global cf::attachable
199	cf::object cf::object::player	291	cf::object cf::object::player
200	cf::client cf::player	292	cf::client cf::player
201	cf::arch cf::living	293	cf::arch cf::living
		294	cf::map cf::mapspace
202	cf::map cf::party cf::region	295	cf::party cf::region
203	)) {	296	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	297	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	298	}
207		299
208	$Event::DIED = sub {	300	$EV::DIED = sub {
209	warn "error in event callback: @_";	301	Carp::cluck "error in event callback: @_";
210	};	302	};
		303
		304	#############################################################################
211		305
212	=head2 UTILITY FUNCTIONS	306	=head2 UTILITY FUNCTIONS
213		307
214	=over 4	308	=over 4
215		309
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	328	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	329	$d
236	} || "[unable to dump $_[0]: '$@']";	330	} || "[unable to dump $_[0]: '$@']";
237	}	331	}
238		332
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	333	=item $ref = cf::decode_json $json
242		334
243	Converts a JSON string into the corresponding perl data structure.	335	Converts a JSON string into the corresponding perl data structure.
244		336
245	=item $json = cf::to_json $ref	337	=item $json = cf::encode_json $ref
246		338
247	Converts a perl data structure into its JSON representation.	339	Converts a perl data structure into its JSON representation.
248		340
		341	=cut
		342
		343	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		344
		345	sub encode_json($) { $json_coder->encode ($_[0]) }
		346	sub decode_json($) { $json_coder->decode ($_[0]) }
		347
		348	=item cf::post_init { BLOCK }
		349
		350	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		351	but I<before> the server starts ticking again.
		352
		353	The cdoeblock will have a single boolean argument to indicate whether this
		354	is a reload or not.
		355
		356	=cut
		357
		358	sub post_init(&) {
		359	push @POST_INIT, shift;
		360	}
		361
249	=item cf::lock_wait $string	362	=item cf::lock_wait $string
250		363
251	Wait until the given lock is available. See cf::lock_acquire.	364	Wait until the given lock is available. See cf::lock_acquire.
252		365
253	=item my $lock = cf::lock_acquire $string	366	=item my $lock = cf::lock_acquire $string
254		367
255	Wait until the given lock is available and then acquires it and returns	368	Wait until the given lock is available and then acquires it and returns
256	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	369	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
257	for example when the coroutine gets canceled), the lock is automatically	370	for example when the coroutine gets canceled), the lock is automatically
258	returned.	371	returned.
259		372
		373	Locks are *not* recursive, locking from the same coro twice results in a
		374	deadlocked coro.
		375
260	Lock names should begin with a unique identifier (for example, cf::map::find	376	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	377	uses map_find and cf::map::load uses map_load).
262		378
263	=item $locked = cf::lock_active $string	379	=item $locked = cf::lock_active $string
264		380
265	Return true if the lock is currently active, i.e. somebody has locked it.	381	Return true if the lock is currently active, i.e. somebody has locked it.
266		382
267	=cut	383	=cut
268		384
269	our %LOCK;	385	our $LOCKS = new Coro::SemaphoreSet;
270		386
271	sub lock_wait($) {	387	sub lock_wait($) {
272	my ($key) = @_;	388	$LOCKS->wait ($_[0]);
273
274	# wait for lock, if any
275	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;
278	}
279	}	389	}
280		390
281	sub lock_acquire($) {	391	sub lock_acquire($) {
282	my ($key) = @_;	392	$LOCKS->guard ($_[0])
283
284	# wait, to be sure we are not locked
285	lock_wait $key;
286
287	$LOCK{$key} = [];
288
289	Coro::guard {
290	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };
292	}
293	}	393	}
294		394
295	sub lock_active($) {	395	sub lock_active($) {
296	my ($key) = @_;	396	$LOCKS->count ($_[0]) < 1
297
298	! ! $LOCK{$key}
299	}	397	}
300		398
301	sub freeze_mainloop {	399	sub freeze_mainloop {
302	return unless $TICK_WATCHER->is_active;	400	tick_inhibit_inc;
303		401
304	my $guard = Coro::guard {	402	&Guard::guard (\&tick_inhibit_dec);
305	$TICK_WATCHER->start;	403	}
		404
		405	=item cf::periodic $interval, $cb
		406
		407	Like EV::periodic, but randomly selects a starting point so that the actions
		408	get spread over time.
		409
		410	=cut
		411
		412	sub periodic($$) {
		413	my ($interval, $cb) = @_;
		414
		415	my $start = rand List::Util::min 180, $interval;
		416
		417	EV::periodic $start, $interval, 0, $cb
		418	}
		419
		420	=item cf::get_slot $time[, $priority[, $name]]
		421
		422	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		423	This call blocks and returns only when you have at least C<$time> seconds
		424	of cpu time till the next tick. The slot is only valid till the next cede.
		425
		426	The optional C<$name> can be used to identify the job to run. It might be
		427	used for statistical purposes and should identify the same time-class.
		428
		429	Useful for short background jobs.
		430
		431	=cut
		432
		433	our @SLOT_QUEUE;
		434	our $SLOT_QUEUE;
		435	our $SLOT_DECAY = 0.9;
		436
		437	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		438	$SLOT_QUEUE = Coro::async {
		439	$Coro::current->desc ("timeslot manager");
		440
		441	my $signal = new Coro::Signal;
		442	my $busy;
		443
		444	while () {
		445	next_job:
		446
		447	my $avail = cf::till_tick;
		448
		449	for (0 .. $#SLOT_QUEUE) {
		450	if ($SLOT_QUEUE[$_][0] <= $avail) {
		451	$busy = 0;
		452	my $job = splice @SLOT_QUEUE, $_, 1, ();
		453	$job->[2]->send;
		454	Coro::cede;
		455	goto next_job;
		456	} else {
		457	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		458	}
		459	}
		460
		461	if (@SLOT_QUEUE) {
		462	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		463	push @cf::WAIT_FOR_TICK, $signal;
		464	$signal->wait;
		465	} else {
		466	$busy = 0;
		467	Coro::schedule;
		468	}
306	};	469	}
307	$TICK_WATCHER->stop;	470	};
308	$guard	471
		472	sub get_slot($;$$) {
		473	return if tick_inhibit || $Coro::current == $Coro::main;
		474
		475	my ($time, $pri, $name) = @_;
		476
		477	$time = clamp $time, 0.01, $TICK * .6;
		478
		479	my $sig = new Coro::Signal;
		480
		481	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		482	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		483	$SLOT_QUEUE->ready;
		484	$sig->wait;
309	}	485	}
310		486
311	=item cf::async { BLOCK }	487	=item cf::async { BLOCK }
312		488
313	Currently the same as Coro::async_pool, meaning you cannot use	489	Currently the same as Coro::async_pool, meaning you cannot use
…		…
318		494
319	BEGIN { *async = \&Coro::async_pool }	495	BEGIN { *async = \&Coro::async_pool }
320		496
321	=item cf::sync_job { BLOCK }	497	=item cf::sync_job { BLOCK }
322		498
323	The design of crossfire+ requires that the main coro ($Coro::main) is	499	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	500	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	501	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		502	acceptable.
326		503
327	If it must be done, put the blocking parts into C<sync_job>. This will run	504	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	505	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	506	server will be frozen during this time, so the block should either finish
330	fast or be very important.	507	fast or be very important.
…		…
333		510
334	sub sync_job(&) {	511	sub sync_job(&) {
335	my ($job) = @_;	512	my ($job) = @_;
336		513
337	if ($Coro::current == $Coro::main) {	514	if ($Coro::current == $Coro::main) {
338	my $time = Event::time;	515	my $time = AE::time;
339		516
340	# this is the main coro, too bad, we have to block	517	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	518	# till the operation succeeds, freezing the server :/
342		519
343	# TODO: use suspend/resume instead	520	LOG llevError, Carp::longmess "sync job";#d#
344	# (but this is cancel-safe)	521
345	my $freeze_guard = freeze_mainloop;	522	my $freeze_guard = freeze_mainloop;
346		523
347	my $busy = 1;	524	my $busy = 1;
348	my @res;	525	my @res;
349		526
350	(async {	527	(async {
		528	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	529	@res = eval { $job->() };
352	warn $@ if $@;	530	warn $@ if $@;
353	undef $busy;	531	undef $busy;
354	})->prio (Coro::PRIO_MAX);	532	})->prio (Coro::PRIO_MAX);
355		533
356	while ($busy) {	534	while ($busy) {
357	Coro::cede or Event::one_event;	535	if (Coro::nready) {
		536	Coro::cede_notself;
		537	} else {
		538	EV::loop EV::LOOP_ONESHOT;
358	}	539	}
		540	}
359		541
360	$time = Event::time - $time;	542	my $time = AE::time - $time;
361		543
362	LOG llevError | logBacktrace, Carp::longmess "long sync job"
363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364
365	$tick_start += $time; # do not account sync jobs to server load	544	$TICK_START += $time; # do not account sync jobs to server load
366		545
367	wantarray ? @res : $res[0]	546	wantarray ? @res : $res[0]
368	} else {	547	} else {
369	# we are in another coroutine, how wonderful, everything just works	548	# we are in another coroutine, how wonderful, everything just works
370		549
…		…
390	$EXT_CORO{$coro+0} = $coro;	569	$EXT_CORO{$coro+0} = $coro;
391		570
392	$coro	571	$coro
393	}	572	}
394		573
395	sub write_runtime {	574	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		575
398	# first touch the runtime file to show we are still running:	576	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	577	process, returning the results. Everything must be serialisable with
		578	Coro::Storable. May, of course, block. Note that the executed sub may
		579	never block itself or use any form of event handling.
400		580
401	IO::AIO::aio_utime $runtime, undef, undef;	581	=cut
402		582
403	my $guard = cf::lock_acquire "write_runtime";	583	sub fork_call(&@) {
		584	my ($cb, @args) = @_;
404		585
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	586	# we seemingly have to make a local copy of the whole thing,
406	or return;	587	# otherwise perl prematurely frees the stuff :/
		588	# TODO: investigate and fix (likely this will be rather laborious)
407		589
408	my $value = $cf::RUNTIME + 90 + 10;	590	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	591	reset_signals;
410	# 60 allows for the watchdog to kill the server.	592	&$cb
		593	}, @args;
411		594
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	595	wantarray ? @res : $res[-1]
413	and return;	596	}
414		597
415	# always fsync - this file is important	598	sub objinfo {
416	aio_fsync $fh
417	and return;
418
419	# touch it again to show we are up-to-date
420	aio_utime $fh, undef, undef;
421
422	close $fh
423	or return;
424
425	aio_rename "$runtime~", $runtime
426	and return;
427
428	warn "runtime file written.\n";
429
430	1	599	(
		600	"counter value" => cf::object::object_count,
		601	"objects created" => cf::object::create_count,
		602	"objects destroyed" => cf::object::destroy_count,
		603	"freelist size" => cf::object::free_count,
		604	"allocated objects" => cf::object::objects_size,
		605	"active objects" => cf::object::actives_size,
		606	)
		607	}
		608
		609	=item $coin = coin_from_name $name
		610
		611	=cut
		612
		613	our %coin_alias = (
		614	"silver" => "silvercoin",
		615	"silvercoin" => "silvercoin",
		616	"silvercoins" => "silvercoin",
		617	"gold" => "goldcoin",
		618	"goldcoin" => "goldcoin",
		619	"goldcoins" => "goldcoin",
		620	"platinum" => "platinacoin",
		621	"platinumcoin" => "platinacoin",
		622	"platinumcoins" => "platinacoin",
		623	"platina" => "platinacoin",
		624	"platinacoin" => "platinacoin",
		625	"platinacoins" => "platinacoin",
		626	"royalty" => "royalty",
		627	"royalties" => "royalty",
		628	);
		629
		630	sub coin_from_name($) {
		631	$coin_alias{$_[0]}
		632	? cf::arch::find $coin_alias{$_[0]}
		633	: undef
		634	}
		635
		636	=item $value = cf::db_get $family => $key
		637
		638	Returns a single value from the environment database.
		639
		640	=item cf::db_put $family => $key => $value
		641
		642	Stores the given C<$value> in the family. It can currently store binary
		643	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		644
		645	=item $db = cf::db_table "name"
		646
		647	Create and/or open a new database table. The string must not be "db" and must be unique
		648	within each server.
		649
		650	=cut
		651
		652	sub db_table($) {
		653	my ($name) = @_;
		654	my $db = BDB::db_create $DB_ENV;
		655
		656	eval {
		657	$db->set_flags (BDB::CHKSUM);
		658
		659	utf8::encode $name;
		660	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		661	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		662	cf::cleanup "db_open(db): $!" if $!;
		663	};
		664	cf::cleanup "db_open(db): $@" if $@;
		665
		666	$db
		667	}
		668
		669	our $DB;
		670
		671	sub db_init {
		672	cf::sync_job {
		673	$DB ||= db_table "db";
		674	};
		675	}
		676
		677	sub db_get($$) {
		678	my $key = "$_[0]/$_[1]";
		679
		680	cf::sync_job {
		681	BDB::db_get $DB, undef, $key, my $data;
		682
		683	$! ? ()
		684	: $data
		685	}
		686	}
		687
		688	sub db_put($$$) {
		689	BDB::dbreq_pri 4;
		690	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		691	}
		692
		693	=item cf::cache $id => [$paths...], $processversion => $process
		694
		695	Generic caching function that returns the value of the resource $id,
		696	caching and regenerating as required.
		697
		698	This function can block.
		699
		700	=cut
		701
		702	sub cache {
		703	my ($id, $src, $processversion, $process) = @_;
		704
		705	my $meta =
		706	join "\x00",
		707	$processversion,
		708	map {
		709	aio_stat $_
		710	and Carp::croak "$_: $!";
		711
		712	($_, (stat _)[7,9])
		713	} @$src;
		714
		715	my $dbmeta = db_get cache => "$id/meta";
		716	if ($dbmeta ne $meta) {
		717	# changed, we may need to process
		718
		719	my @data;
		720	my $md5;
		721
		722	for (0 .. $#$src) {
		723	0 <= aio_load $src->[$_], $data[$_]
		724	or Carp::croak "$src->[$_]: $!";
		725	}
		726
		727	# if processing is expensive, check
		728	# checksum first
		729	if (1) {
		730	$md5 =
		731	join "\x00",
		732	$processversion,
		733	map {
		734	cf::cede_to_tick;
		735	($src->[$_], Digest::MD5::md5_hex $data[$_])
		736	} 0.. $#$src;
		737
		738
		739	my $dbmd5 = db_get cache => "$id/md5";
		740	if ($dbmd5 eq $md5) {
		741	db_put cache => "$id/meta", $meta;
		742
		743	return db_get cache => "$id/data";
		744	}
		745	}
		746
		747	my $t1 = Time::HiRes::time;
		748	my $data = $process->(\@data);
		749	my $t2 = Time::HiRes::time;
		750
		751	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		752
		753	db_put cache => "$id/data", $data;
		754	db_put cache => "$id/md5" , $md5;
		755	db_put cache => "$id/meta", $meta;
		756
		757	return $data;
		758	}
		759
		760	db_get cache => "$id/data"
431	}	761	}
432		762
433	=item cf::datalog type => key => value, ...	763	=item cf::datalog type => key => value, ...
434		764
435	Log a datalog packet of the given type with the given key-value pairs.	765	Log a datalog packet of the given type with the given key-value pairs.
…		…
447		777
448	#############################################################################	778	#############################################################################
449		779
450	=head2 ATTACHABLE OBJECTS	780	=head2 ATTACHABLE OBJECTS
451		781
452	Many objects in crossfire are so-called attachable objects. That means you can	782	Many objects in deliantra are so-called attachable objects. That means you can
453	attach callbacks/event handlers (a collection of which is called an "attachment")	783	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	784	to it. All such attachable objects support the following methods.
455		785
456	In the following description, CLASS can be any of C<global>, C<object>	786	In the following description, CLASS can be any of C<global>, C<object>
457	C<player>, C<client> or C<map> (i.e. the attachable objects in	787	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	788	Deliantra).
459		789
460	=over 4	790	=over 4
461		791
462	=item $attachable->attach ($attachment, key => $value...)	792	=item $attachable->attach ($attachment, key => $value...)
463		793
…		…
507	=item cf::CLASS::attachment $name, ...	837	=item cf::CLASS::attachment $name, ...
508		838
509	Register an attachment by C<$name> through which attachable objects of the	839	Register an attachment by C<$name> through which attachable objects of the
510	given CLASS can refer to this attachment.	840	given CLASS can refer to this attachment.
511		841
512	Some classes such as crossfire maps and objects can specify attachments	842	Some classes such as deliantra maps and objects can specify attachments
513	that are attached at load/instantiate time, thus the need for a name.	843	that are attached at load/instantiate time, thus the need for a name.
514		844
515	These calls expect any number of the following handler/hook descriptions:	845	These calls expect any number of the following handler/hook descriptions:
516		846
517	=over 4	847	=over 4
…		…
665	_attach $registry, $klass, @attach;	995	_attach $registry, $klass, @attach;
666	}	996	}
667		997
668	$obj->{$name} = \%arg;	998	$obj->{$name} = \%arg;
669	} else {	999	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	1000	warn "object uses attachment '$name' which is not available, postponing.\n";
671	}	1001	}
672		1002
673	$obj->{_attachment}{$name} = undef;	1003	$obj->{_attachment}{$name} = undef;
674	}	1004	}
675		1005
…		…
715	";	1045	";
716	die if $@;	1046	die if $@;
717	}	1047	}
718		1048
719	our $override;	1049	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1050	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		1051
722	sub override {	1052	sub override {
723	$override = 1;	1053	$override = 1;
724	@invoke_results = ();	1054	@INVOKE_RESULTS = (@_);
725	}	1055	}
726		1056
727	sub do_invoke {	1057	sub do_invoke {
728	my $event = shift;	1058	my $event = shift;
729	my $callbacks = shift;	1059	my $callbacks = shift;
730		1060
731	@invoke_results = ();	1061	@INVOKE_RESULTS = ();
732		1062
733	local $override;	1063	local $override;
734		1064
735	for (@$callbacks) {	1065	for (@$callbacks) {
736	eval { &{$_->[1]} };	1066	eval { &{$_->[1]} };
…		…
745	}	1075	}
746		1076
747	0	1077	0
748	}	1078	}
749		1079
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1080	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1081
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1082	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1083
754	Generate an object-specific event with the given arguments.	1084	Generate an object-specific event with the given arguments.
755		1085
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1086	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757	removed in future versions), and there is no public API to access override	1087	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1088	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1089
760	=back	1090	=back
761		1091
762	=cut	1092	=cut
763		1093
764	#############################################################################	1094	#############################################################################
765	# object support	1095	# object support
		1096
		1097	sub _object_equal($$);
		1098	sub _object_equal($$) {
		1099	my ($a, $b) = @_;
		1100
		1101	return 0 unless (ref $a) eq (ref $b);
		1102
		1103	if ("HASH" eq ref $a) {
		1104	my @ka = keys %$a;
		1105	my @kb = keys %$b;
		1106
		1107	return 0 if @ka != @kb;
		1108
		1109	for (0 .. $#ka) {
		1110	return 0 unless $ka[$_] eq $kb[$_];
		1111	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1112	}
		1113
		1114	} elsif ("ARRAY" eq ref $a) {
		1115
		1116	return 0 if @$a != @$b;
		1117
		1118	for (0 .. $#$a) {
		1119	return 0 unless _object_equal $a->[$_], $b->[$_];
		1120	}
		1121
		1122	} elsif ($a ne $b) {
		1123	return 0;
		1124	}
		1125
		1126	1
		1127	}
		1128
		1129	our $SLOW_MERGES;#d#
		1130	sub _can_merge {
		1131	my ($ob1, $ob2) = @_;
		1132
		1133	++$SLOW_MERGES;#d#
		1134
		1135	# we do the slow way here
		1136	return _object_equal $ob1, $ob2
		1137	}
766		1138
767	sub reattach {	1139	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1140	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1141	my ($obj) = @_;
770		1142
		1143	# no longer needed after getting rid of delete_package?
771	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1144	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772		1145
773	my $registry = $obj->registry;	1146	my $registry = $obj->registry;
774		1147
775	@$registry = ();	1148	@$registry = ();
776		1149
…		…
791	cf::attachable->attach (	1164	cf::attachable->attach (
792	prio => -1000000,	1165	prio => -1000000,
793	on_instantiate => sub {	1166	on_instantiate => sub {
794	my ($obj, $data) = @_;	1167	my ($obj, $data) = @_;
795		1168
796	$data = from_json $data;	1169	$data = decode_json $data;
797		1170
798	for (@$data) {	1171	for (@$data) {
799	my ($name, $args) = @$_;	1172	my ($name, $args) = @$_;
800		1173
801	$obj->attach ($name, %{$args || {} });	1174	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1190	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1191	my ($filename, $rdata, $objs) = @_;
819		1192
820	sync_job {	1193	sync_job {
821	if (length $$rdata) {	1194	if (length $$rdata) {
		1195	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1196	warn sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1197	$decname, length $$rdata, scalar @$objs;
824		1198
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1199	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1200	aio_chmod $fh, SAVE_MODE;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1201	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1202	if ($cf::USE_FSYNC) {
		1203	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1204	aio_fsync $fh;
		1205	}
829	close $fh;	1206	aio_close $fh;
830		1207
831	if (@$objs) {	1208	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1209	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1210	aio_chmod $fh, SAVE_MODE;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1211	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1212	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1213	if ($cf::USE_FSYNC) {
		1214	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1215	aio_fsync $fh;
		1216	}
837	close $fh;	1217	aio_close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1218	aio_rename "$filename.pst~", "$filename.pst";
839	}	1219	}
840	} else {	1220	} else {
841	aio_unlink "$filename.pst";	1221	aio_unlink "$filename.pst";
842	}	1222	}
843		1223
844	aio_rename "$filename~", $filename;	1224	aio_rename "$filename~", $filename;
		1225
		1226	$filename =~ s%/[^/]+$%%;
		1227	aio_pathsync $filename if $cf::USE_FSYNC;
845	} else {	1228	} else {
846	warn "FATAL: $filename~: $!\n";	1229	warn "unable to save objects: $filename~: $!\n";
847	}	1230	}
848	} else {	1231	} else {
849	aio_unlink $filename;	1232	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1233	aio_unlink "$filename.pst";
851	}	1234	}
852	}	1235	};
853	}	1236	}
854		1237
855	sub object_freezer_as_string {	1238	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1239	my ($rdata, $objs) = @_;
857		1240
…		…
869	or return;	1252	or return;
870		1253
871	unless (aio_stat "$filename.pst") {	1254	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1255	(aio_load "$filename.pst", $av) >= 0
873	or return;	1256	or return;
		1257
874	$av = eval { (Storable::thaw $av)->{objs} };	1258	my $st = eval { Coro::Storable::thaw $av };
		1259	$av = $st->{objs};
875	}	1260	}
876		1261
		1262	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1263	warn sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1264	$decname, length $data, scalar @{$av || []};
		1265
879	return ($data, $av);	1266	($data, $av)
880	}	1267	}
		1268
		1269	=head2 COMMAND CALLBACKS
		1270
		1271	=over 4
		1272
		1273	=cut
881		1274
882	#############################################################################	1275	#############################################################################
883	# command handling &c	1276	# command handling &c
884		1277
885	=item cf::register_command $name => \&callback($ob,$args);	1278	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1291	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1292	}
900		1293
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1294	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1295
903	Register a callbackf ro execution when the client sends an extcmd packet.	1296	Register a callback for execution when the client sends an (synchronous)
		1297	extcmd packet. Ext commands will be processed in the order they are
		1298	received by the server, like other user commands. The first argument is
		1299	the logged-in player. Ext commands can only be processed after a player
		1300	has logged in successfully.
904		1301
905	If the callback returns something, it is sent back as if reply was being	1302	If the callback returns something, it is sent back as if reply was being
906	called.	1303	called.
907		1304
		1305	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1306
		1307	Register a callback for execution when the client sends an (asynchronous)
		1308	exticmd packet. Exti commands are processed by the server as soon as they
		1309	are received, i.e. out of order w.r.t. other commands. The first argument
		1310	is a client socket. Exti commands can be received anytime, even before
		1311	log-in.
		1312
		1313	If the callback returns something, it is sent back as if reply was being
		1314	called.
		1315
908	=cut	1316	=cut
909		1317
910	sub register_extcmd {	1318	sub register_extcmd {
911	my ($name, $cb) = @_;	1319	my ($name, $cb) = @_;
912		1320
913	$EXTCMD{$name} = $cb;	1321	$EXTCMD{$name} = $cb;
914	}	1322	}
915		1323
		1324	sub register_exticmd {
		1325	my ($name, $cb) = @_;
		1326
		1327	$EXTICMD{$name} = $cb;
		1328	}
		1329
		1330	use File::Glob ();
		1331
916	cf::player->attach (	1332	cf::player->attach (
917	on_command => sub {	1333	on_unknown_command => sub {
918	my ($pl, $name, $params) = @_;	1334	my ($pl, $name, $params) = @_;
919		1335
920	my $cb = $COMMAND{$name}	1336	my $cb = $COMMAND{$name}
921	or return;	1337	or return;
922		1338
…		…
927	cf::override;	1343	cf::override;
928	},	1344	},
929	on_extcmd => sub {	1345	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1346	my ($pl, $buf) = @_;
931		1347
932	my $msg = eval { from_json $buf };	1348	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1349
934	if (ref $msg) {	1350	if (ref $msg) {
		1351	my ($type, $reply, @payload) =
		1352	"ARRAY" eq ref $msg
		1353	? @$msg
		1354	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1355
		1356	my @reply;
		1357
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1358	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1359	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1360	}
		1361
		1362	$pl->ext_reply ($reply, @reply)
		1363	if $reply;
		1364
940	} else {	1365	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1366	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1367	}
943		1368
944	cf::override;	1369	cf::override;
945	},	1370	},
946	);	1371	);
		1372
		1373	# "readahead" all extensions
		1374	sub cache_extensions {
		1375	my $grp = IO::AIO::aio_group;
		1376
		1377	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1378	for (grep /\.ext$/, @{$_[0]}) {
		1379	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1380	}
		1381	};
		1382
		1383	$grp
		1384	}
947		1385
948	sub load_extensions {	1386	sub load_extensions {
949	cf::sync_job {	1387	cf::sync_job {
950	my %todo;	1388	my %todo;
951		1389
…		…
967	path => $path,	1405	path => $path,
968	base => $base,	1406	base => $base,
969	pkg => $pkg,	1407	pkg => $pkg,
970	);	1408	);
971		1409
972	$ext{meta} = { map { split /=/, $_, 2 } split /\s+/, $1 }	1410	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
973	if $source =~ /^#!.*?perl.*?#\s*(.*)$/;	1411	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
974		1412
975	$ext{source} =	1413	$ext{source} =
976	"package $pkg; use strict; use utf8;\n"	1414	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
977	. "#line 1 \"$path\"\n{\n"	1415	. "#line 1 \"$path\"\n{\n"
978	. $source	1416	. $source
979	. "\n};\n1";	1417	. "\n};\n1";
980		1418
981	$todo{$base} = \%ext;	1419	$todo{$base} = \%ext;
982	}	1420	}
983		1421
		1422	my $pass = 0;
984	my %done;	1423	my %done;
985	while (%todo) {	1424	while (%todo) {
986	my $progress;	1425	my $progress;
987		1426
		1427	++$pass;
		1428
		1429	ext:
988	while (my ($k, $v) = each %todo) {	1430	while (my ($k, $v) = each %todo) {
989	for (split /,\s*/, $ext{meta}{depends}) {	1431	for (split /,\s*/, $v->{meta}{depends}) {
990	goto skip	1432	next ext
991	unless exists $done{$_};	1433	unless exists $done{$_};
992	}	1434	}
993		1435
994	warn "... loading '$k' into '$v->{pkg}'\n";	1436	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
995		1437
996	unless (eval $v->{source}) {	1438	my $active = eval $v->{source};
		1439
		1440	if (length $@) {
997	my $msg = $@ ? "$v->{path}: $@\n"	1441	warn "$v->{path}: $@\n";
998	: "extension disabled.\n";
999		1442
		1443	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1000	if (exists $v->{meta}{mandatory}) {	1444	if exists $v->{meta}{mandatory};
1001	warn $msg;	1445
1002	warn "mandatory extension failed to load, exiting.\n";	1446	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1003	exit 1;	1447	delete $todo{$k};
1004	}	1448	} else {
1005		1449	$done{$k} = delete $todo{$k};
1006	die $msg;	1450	push @EXTS, $v->{pkg};
		1451	$progress = 1;
		1452
		1453	warn "$v->{base}: extension inactive.\n"
		1454	unless $active;
1007	}	1455	}
1008
1009	$done{$k} = delete $todo{$k};
1010	push @EXTS, $v->{pkg};
1011	}	1456	}
1012		1457
1013	skip:	1458	unless ($progress) {
1014	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1459	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1015	unless $progress;	1460
		1461	while (my ($k, $v) = each %todo) {
		1462	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1463	if exists $v->{meta}{mandatory};
		1464	}
		1465	}
1016	}	1466	}
1017	};	1467	};
1018	}	1468	}
1019		1469
1020	#############################################################################	1470	#############################################################################
1021		1471
		1472	=back
		1473
1022	=head2 CORE EXTENSIONS	1474	=head2 CORE EXTENSIONS
1023		1475
1024	Functions and methods that extend core crossfire objects.	1476	Functions and methods that extend core deliantra objects.
1025		1477
1026	=cut	1478	=cut
1027		1479
1028	package cf::player;	1480	package cf::player;
1029		1481
1030	use Coro::AIO;	1482	use Coro::AIO;
1031		1483
1032	=head3 cf::player	1484	=head3 cf::player
1033		1485
1034	=over 4	1486	=over 4
		1487
		1488	=item cf::player::num_playing
		1489
		1490	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1491
		1492	=cut
		1493
		1494	sub num_playing {
		1495	scalar grep
		1496	$_->ob->map
		1497	&& !$_->hidden
		1498	&& !$_->ob->flag (cf::FLAG_WIZ),
		1499	cf::player::list
		1500	}
1035		1501
1036	=item cf::player::find $login	1502	=item cf::player::find $login
1037		1503
1038	Returns the given player object, loading it if necessary (might block).	1504	Returns the given player object, loading it if necessary (might block).
1039		1505
…		…
1058		1524
1059	sub exists($) {	1525	sub exists($) {
1060	my ($login) = @_;	1526	my ($login) = @_;
1061		1527
1062	$cf::PLAYER{$login}	1528	$cf::PLAYER{$login}
1063	or cf::sync_job { !aio_stat path $login }	1529	or !aio_stat path $login
1064	}	1530	}
1065		1531
1066	sub find($) {	1532	sub find($) {
1067	return $cf::PLAYER{$_[0]} || do {	1533	return $cf::PLAYER{$_[0]} || do {
1068	my $login = $_[0];	1534	my $login = $_[0];
…		…
1075	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1541	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1076	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1542	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1077	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1543	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1078	aio_unlink +(playerdir $login) . "/$login.pl";	1544	aio_unlink +(playerdir $login) . "/$login.pl";
1079		1545
1080	my $pl = load_pl path $login	1546	my $f = new_from_file cf::object::thawer path $login
1081	or return;	1547	or return;
		1548
		1549	my $pl = cf::player::load_pl $f
		1550	or return;
		1551
		1552	local $cf::PLAYER_LOADING{$login} = $pl;
		1553	$f->resolve_delayed_derefs;
1082	$cf::PLAYER{$login} = $pl	1554	$cf::PLAYER{$login} = $pl
1083	}	1555	}
1084	}	1556	}
1085	}	1557	}
		1558
		1559	cf::player->attach (
		1560	on_load => sub {
		1561	my ($pl, $path) = @_;
		1562
		1563	# restore slots saved in save, below
		1564	my $slots = delete $pl->{_slots};
		1565
		1566	$pl->ob->current_weapon ($slots->[0]);
		1567	$pl->combat_ob ($slots->[1]);
		1568	$pl->ranged_ob ($slots->[2]);
		1569	},
		1570	);
1086		1571
1087	sub save($) {	1572	sub save($) {
1088	my ($pl) = @_;	1573	my ($pl) = @_;
1089		1574
1090	return if $pl->{deny_save};	1575	return if $pl->{deny_save};
…		…
1095	return if $pl->{deny_save};	1580	return if $pl->{deny_save};
1096		1581
1097	aio_mkdir playerdir $pl, 0770;	1582	aio_mkdir playerdir $pl, 0770;
1098	$pl->{last_save} = $cf::RUNTIME;	1583	$pl->{last_save} = $cf::RUNTIME;
1099		1584
		1585	cf::get_slot 0.01;
		1586
		1587	# save slots, to be restored later
		1588	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1589
1100	$pl->save_pl ($path);	1590	$pl->save_pl ($path);
1101	Coro::cede;	1591	cf::cede_to_tick;
1102	}	1592	}
1103		1593
1104	sub new($) {	1594	sub new($) {
1105	my ($login) = @_;	1595	my ($login) = @_;
1106		1596
…		…
1112	$cf::PLAYER{$login} = $self;	1602	$cf::PLAYER{$login} = $self;
1113		1603
1114	$self	1604	$self
1115	}	1605	}
1116		1606
		1607	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1608
		1609	=cut
		1610
		1611	sub send_msg {
		1612	my $ns = shift->ns
		1613	or return;
		1614	$ns->send_msg (@_);
		1615	}
		1616
1117	=item $pl->quit_character	1617	=item $pl->quit_character
1118		1618
1119	Nukes the player without looking back. If logged in, the connection will	1619	Nukes the player without looking back. If logged in, the connection will
1120	be destroyed. May block for a long time.	1620	be destroyed. May block for a long time.
1121		1621
…		…
1125	my ($pl) = @_;	1625	my ($pl) = @_;
1126		1626
1127	my $name = $pl->ob->name;	1627	my $name = $pl->ob->name;
1128		1628
1129	$pl->{deny_save} = 1;	1629	$pl->{deny_save} = 1;
1130	$pl->password ("*"); # this should lock out the player until we nuked the dir	1630	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1131		1631
1132	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1632	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1133	$pl->deactivate;	1633	$pl->deactivate;
		1634	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1635	$pl->ob->check_score;
1134	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1636	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1135	$pl->ns->destroy if $pl->ns;	1637	$pl->ns->destroy if $pl->ns;
1136		1638
1137	my $path = playerdir $pl;	1639	my $path = playerdir $pl;
1138	my $temp = "$path~$cf::RUNTIME~deleting~";	1640	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1174	or return [];	1676	or return [];
1175		1677
1176	my @logins;	1678	my @logins;
1177		1679
1178	for my $login (@$dirs) {	1680	for my $login (@$dirs) {
		1681	my $path = path $login;
		1682
		1683	# a .pst is a dead give-away for a valid player
		1684	# if no pst file found, open and chekc for blocked users
		1685	if (aio_stat "$path.pst") {
1179	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1686	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1180	aio_read $fh, 0, 512, my $buf, 0 or next;	1687	aio_read $fh, 0, 512, my $buf, 0 or next;
1181	$buf !~ /^password -------------$/m or next; # official not-valid tag	1688	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1689	}
1182		1690
1183	utf8::decode $login;	1691	utf8::decode $login;
1184	push @logins, $login;	1692	push @logins, $login;
1185	}	1693	}
1186		1694
1187	\@logins	1695	\@logins
1188	}	1696	}
1189		1697
1190	=item $player->maps	1698	=item $player->maps
		1699
		1700	=item cf::player::maps $login
1191		1701
1192	Returns an arrayref of map paths that are private for this	1702	Returns an arrayref of map paths that are private for this
1193	player. May block.	1703	player. May block.
1194		1704
1195	=cut	1705	=cut
…		…
1213	}	1723	}
1214		1724
1215	\@paths	1725	\@paths
1216	}	1726	}
1217		1727
		1728	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1729
		1730	Expand deliantra pod fragments into protocol xml.
		1731
1218	=item $player->ext_reply ($msgid, %msg)	1732	=item $player->ext_reply ($msgid, @msg)
1219		1733
1220	Sends an ext reply to the player.	1734	Sends an ext reply to the player.
1221		1735
1222	=cut	1736	=cut
1223		1737
1224	sub ext_reply($$%) {	1738	sub ext_reply($$@) {
1225	my ($self, $id, %msg) = @_;	1739	my ($self, $id, @msg) = @_;
1226		1740
1227	$msg{msgid} = $id;	1741	$self->ns->ext_reply ($id, @msg)
1228
1229	$self->send ("ext " . cf::to_json \%msg);
1230	}	1742	}
1231		1743
1232	=item $player->ext_event ($type, %msg)	1744	=item $player->ext_msg ($type, @msg)
1233		1745
1234	Sends an ext event to the client.	1746	Sends an ext event to the client.
1235		1747
1236	=cut	1748	=cut
1237		1749
1238	sub ext_event($$%) {	1750	sub ext_msg($$@) {
1239	my ($self, $type, %msg) = @_;	1751	my ($self, $type, @msg) = @_;
1240		1752
1241	$self->ns->ext_event ($type, %msg);	1753	$self->ns->ext_msg ($type, @msg);
1242	}	1754	}
1243		1755
1244	=head3 cf::region	1756	=head3 cf::region
1245		1757
1246	=over 4	1758	=over 4
…		…
1249		1761
1250	package cf::region;	1762	package cf::region;
1251		1763
1252	=item cf::region::find_by_path $path	1764	=item cf::region::find_by_path $path
1253		1765
1254	Tries to decuce the probable region for a map knowing only its path.	1766	Tries to decuce the likely region for a map knowing only its path.
1255		1767
1256	=cut	1768	=cut
1257		1769
1258	sub find_by_path($) {	1770	sub find_by_path($) {
1259	my ($path) = @_;	1771	my ($path) = @_;
1260		1772
		1773	$path =~ s/^~[^\/]*//; # skip ~login
		1774
1261	my ($match, $specificity);	1775	my ($match, $specificity);
1262		1776
1263	for my $region (list) {	1777	for my $region (list) {
1264	if ($region->match && $path =~ $region->match) {	1778	if ($region->{match} && $path =~ $region->{match}) {
1265	($match, $specificity) = ($region, $region->specificity)	1779	($match, $specificity) = ($region, $region->specificity)
1266	if $region->specificity > $specificity;	1780	if $region->specificity > $specificity;
1267	}	1781	}
1268	}	1782	}
1269		1783
…		…
1290	our $MAX_RESET = 3600;	1804	our $MAX_RESET = 3600;
1291	our $DEFAULT_RESET = 3000;	1805	our $DEFAULT_RESET = 3000;
1292		1806
1293	sub generate_random_map {	1807	sub generate_random_map {
1294	my ($self, $rmp) = @_;	1808	my ($self, $rmp) = @_;
		1809
		1810	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1811
1295	# mit "rum" bekleckern, nicht	1812	# mit "rum" bekleckern, nicht
1296	$self->_create_random_map (	1813	$self->_create_random_map (
1297	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1814	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1298	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1815	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1299	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1816	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1300	$rmp->{exit_on_final_map},	1817	$rmp->{exit_on_final_map},
1301	$rmp->{xsize}, $rmp->{ysize},	1818	$rmp->{xsize}, $rmp->{ysize},
1302	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1819	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1303	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1820	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1325		1842
1326	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1843	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1327	}	1844	}
1328		1845
1329	# also paths starting with '/'	1846	# also paths starting with '/'
1330	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1847	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1331		1848
1332	sub thawer_merge {	1849	sub thawer_merge {
1333	my ($self, $merge) = @_;	1850	my ($self, $merge) = @_;
1334		1851
1335	# we have to keep some variables in memory intact	1852	# we have to keep some variables in memory intact
…		…
1389	$self->init; # pass $1 etc.	1906	$self->init; # pass $1 etc.
1390	return $self;	1907	return $self;
1391	}	1908	}
1392	}	1909	}
1393		1910
1394	Carp::carp "unable to resolve path '$path' (base '$base').";	1911	Carp::cluck "unable to resolve path '$path' (base '$base').";
1395	()	1912	()
1396	}	1913	}
1397		1914
1398	sub init {	1915	sub init {
1399	my ($self) = @_;	1916	my ($self) = @_;
…		…
1421		1938
1422	# the temporary/swap location	1939	# the temporary/swap location
1423	sub save_path {	1940	sub save_path {
1424	my ($self) = @_;	1941	my ($self) = @_;
1425		1942
1426	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1943	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1427	"$TMPDIR/$path.map"	1944	"$TMPDIR/$path.map"
1428	}	1945	}
1429		1946
1430	# the unique path, undef == no special unique path	1947	# the unique path, undef == no special unique path
1431	sub uniq_path {	1948	sub uniq_path {
1432	my ($self) = @_;	1949	my ($self) = @_;
1433		1950
1434	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1951	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1435	"$UNIQUEDIR/$path"	1952	"$UNIQUEDIR/$path"
1436	}
1437
1438	# and all this just because we cannot iterate over
1439	# all maps in C++...
1440	sub change_all_map_light {
1441	my ($change) = @_;
1442
1443	$_->change_map_light ($change)
1444	for grep $_->outdoor, values %cf::MAP;
1445	}	1953	}
1446		1954
1447	sub decay_objects {	1955	sub decay_objects {
1448	my ($self) = @_;	1956	my ($self) = @_;
1449		1957
…		…
1462		1970
1463	sub load_header_from($) {	1971	sub load_header_from($) {
1464	my ($self, $path) = @_;	1972	my ($self, $path) = @_;
1465		1973
1466	utf8::encode $path;	1974	utf8::encode $path;
1467	#aio_open $path, O_RDONLY, 0	1975	my $f = new_from_file cf::object::thawer $path
1468	# or return;
1469
1470	$self->_load_header ($path)
1471	or return;	1976	or return;
		1977
		1978	$self->_load_header ($f)
		1979	or return;
		1980
		1981	local $MAP_LOADING{$self->{path}} = $self;
		1982	$f->resolve_delayed_derefs;
1472		1983
1473	$self->{load_path} = $path;	1984	$self->{load_path} = $path;
1474		1985
1475	1	1986	1
1476	}	1987	}
…		…
1530	sub find {	2041	sub find {
1531	my ($path, $origin) = @_;	2042	my ($path, $origin) = @_;
1532		2043
1533	$path = normalise $path, $origin && $origin->path;	2044	$path = normalise $path, $origin && $origin->path;
1534		2045
		2046	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1535	cf::lock_wait "map_find:$path";	2047	my $guard2 = cf::lock_acquire "map_find:$path";
1536		2048
1537	$cf::MAP{$path} || do {	2049	$cf::MAP{$path} || do {
1538	my $guard = cf::lock_acquire "map_find:$path";
1539	my $map = new_from_path cf::map $path	2050	my $map = new_from_path cf::map $path
1540	or return;	2051	or return;
1541		2052
1542	$map->{last_save} = $cf::RUNTIME;	2053	$map->{last_save} = $cf::RUNTIME;
1543		2054
…		…
1545	or return;	2056	or return;
1546		2057
1547	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2058	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1548	# doing this can freeze the server in a sync job, obviously	2059	# doing this can freeze the server in a sync job, obviously
1549	#$cf::WAIT_FOR_TICK->wait;	2060	#$cf::WAIT_FOR_TICK->wait;
		2061	undef $guard2;
		2062	undef $guard1;
1550	$map->reset;	2063	$map->reset;
1551	undef $guard;
1552	return find $path;	2064	return find $path;
1553	}	2065	}
1554		2066
1555	$cf::MAP{$path} = $map	2067	$cf::MAP{$path} = $map
1556	}	2068	}
1557	}	2069	}
1558		2070
1559	sub pre_load { }	2071	sub pre_load { }
1560	sub post_load { }	2072	#sub post_load { } # XS
1561		2073
1562	sub load {	2074	sub load {
1563	my ($self) = @_;	2075	my ($self) = @_;
1564		2076
1565	local $self->{deny_reset} = 1; # loading can take a long time	2077	local $self->{deny_reset} = 1; # loading can take a long time
1566		2078
1567	my $path = $self->{path};	2079	my $path = $self->{path};
1568		2080
1569	{	2081	{
1570	my $guard = cf::lock_acquire "map_load:$path";	2082	my $guard = cf::lock_acquire "map_data:$path";
1571		2083
		2084	return unless $self->valid;
1572	return if $self->in_memory != cf::MAP_SWAPPED;	2085	return unless $self->in_memory == cf::MAP_SWAPPED;
1573		2086
1574	$self->in_memory (cf::MAP_LOADING);	2087	$self->in_memory (cf::MAP_LOADING);
1575		2088
1576	$self->alloc;	2089	$self->alloc;
1577		2090
1578	$self->pre_load;	2091	$self->pre_load;
1579	Coro::cede;	2092	cf::cede_to_tick;
1580		2093
		2094	my $f = new_from_file cf::object::thawer $self->{load_path};
		2095	$f->skip_block;
1581	$self->_load_objects ($self->{load_path}, 1)	2096	$self->_load_objects ($f)
1582	or return;	2097	or return;
1583		2098
1584	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2099	$self->post_load_original
1585	if delete $self->{load_original};	2100	if delete $self->{load_original};
1586		2101
1587	if (my $uniq = $self->uniq_path) {	2102	if (my $uniq = $self->uniq_path) {
1588	utf8::encode $uniq;	2103	utf8::encode $uniq;
1589	if (aio_open $uniq, O_RDONLY, 0) {	2104	unless (aio_stat $uniq) {
		2105	if (my $f = new_from_file cf::object::thawer $uniq) {
1590	$self->clear_unique_items;	2106	$self->clear_unique_items;
1591	$self->_load_objects ($uniq, 0);	2107	$self->_load_objects ($f);
		2108	$f->resolve_delayed_derefs;
		2109	}
1592	}	2110	}
1593	}	2111	}
1594		2112
1595	Coro::cede;	2113	$f->resolve_delayed_derefs;
		2114
		2115	cf::cede_to_tick;
1596	# now do the right thing for maps	2116	# now do the right thing for maps
1597	$self->link_multipart_objects;	2117	$self->link_multipart_objects;
1598	$self->difficulty ($self->estimate_difficulty)	2118	$self->difficulty ($self->estimate_difficulty)
1599	unless $self->difficulty;	2119	unless $self->difficulty;
1600	Coro::cede;	2120	cf::cede_to_tick;
1601		2121
1602	unless ($self->{deny_activate}) {	2122	unless ($self->{deny_activate}) {
1603	$self->decay_objects;	2123	$self->decay_objects;
1604	$self->fix_auto_apply;	2124	$self->fix_auto_apply;
1605	$self->update_buttons;	2125	$self->update_buttons;
1606	Coro::cede;	2126	cf::cede_to_tick;
1607	$self->set_darkness_map;
1608	Coro::cede;
1609	$self->activate;	2127	$self->activate;
1610	}	2128	}
1611		2129
		2130	$self->{last_save} = $cf::RUNTIME;
		2131	$self->last_access ($cf::RUNTIME);
		2132
1612	$self->in_memory (cf::MAP_IN_MEMORY);	2133	$self->in_memory (cf::MAP_ACTIVE);
1613	}	2134	}
1614		2135
1615	$self->post_load;	2136	$self->post_load;
1616	}	2137	}
1617		2138
		2139	# customize the map for a given player, i.e.
		2140	# return the _real_ map. used by e.g. per-player
		2141	# maps to change the path to ~playername/mappath
1618	sub customise_for {	2142	sub customise_for {
1619	my ($self, $ob) = @_;	2143	my ($self, $ob) = @_;
1620		2144
1621	return find "~" . $ob->name . "/" . $self->{path}	2145	return find "~" . $ob->name . "/" . $self->{path}
1622	if $self->per_player;	2146	if $self->per_player;
…		…
1626		2150
1627	$self	2151	$self
1628	}	2152	}
1629		2153
1630	# find and load all maps in the 3x3 area around a map	2154	# find and load all maps in the 3x3 area around a map
1631	sub load_diag {	2155	sub load_neighbours {
1632	my ($map) = @_;	2156	my ($map) = @_;
1633		2157
1634	my @diag; # diagonal neighbours	2158	my @neigh; # diagonal neighbours
1635		2159
1636	for (0 .. 3) {	2160	for (0 .. 3) {
1637	my $neigh = $map->tile_path ($_)	2161	my $neigh = $map->tile_path ($_)
1638	or next;	2162	or next;
1639	$neigh = find $neigh, $map	2163	$neigh = find $neigh, $map
1640	or next;	2164	or next;
1641	$neigh->load;	2165	$neigh->load;
1642		2166
		2167	push @neigh,
1643	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2168	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1644	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2169	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1645	}	2170	}
1646		2171
1647	for (@diag) {	2172	for (grep defined $_->[0], @neigh) {
		2173	my ($path, $origin) = @$_;
1648	my $neigh = find @$_	2174	my $neigh = find $path, $origin
1649	or next;	2175	or next;
1650	$neigh->load;	2176	$neigh->load;
1651	}	2177	}
1652	}	2178	}
1653		2179
…		…
1658	}	2184	}
1659		2185
1660	sub do_load_sync {	2186	sub do_load_sync {
1661	my ($map) = @_;	2187	my ($map) = @_;
1662		2188
		2189	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2190	if $Coro::current == $Coro::main;
		2191
1663	cf::sync_job { $map->load };	2192	cf::sync_job { $map->load };
1664	}	2193	}
1665		2194
1666	our %MAP_PREFETCH;	2195	our %MAP_PREFETCH;
1667	our $MAP_PREFETCHER = undef;	2196	our $MAP_PREFETCHER = undef;
1668		2197
1669	sub find_async {	2198	sub find_async {
1670	my ($path, $origin) = @_;	2199	my ($path, $origin, $load) = @_;
1671		2200
1672	$path = normalise $path, $origin && $origin->{path};	2201	$path = normalise $path, $origin && $origin->{path};
1673		2202
1674	if (my $map = $cf::MAP{$path}) {	2203	if (my $map = $cf::MAP{$path}) {
1675	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2204	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1676	}	2205	}
1677		2206
1678	undef $MAP_PREFETCH{$path};	2207	$MAP_PREFETCH{$path} |= $load;
		2208
1679	$MAP_PREFETCHER ||= cf::async {	2209	$MAP_PREFETCHER ||= cf::async {
		2210	$Coro::current->{desc} = "map prefetcher";
		2211
1680	while (%MAP_PREFETCH) {	2212	while (%MAP_PREFETCH) {
1681	for my $path (keys %MAP_PREFETCH) {	2213	while (my ($k, $v) = each %MAP_PREFETCH) {
1682	my $map = find $path	2214	if (my $map = find $k) {
1683	or next;
1684	$map->load;	2215	$map->load if $v;
		2216	}
1685		2217
1686	delete $MAP_PREFETCH{$path};	2218	delete $MAP_PREFETCH{$k};
1687	}	2219	}
1688	}	2220	}
1689	undef $MAP_PREFETCHER;	2221	undef $MAP_PREFETCHER;
1690	};	2222	};
1691	$MAP_PREFETCHER->prio (6);	2223	$MAP_PREFETCHER->prio (6);
1692		2224
1693	()	2225	()
1694	}	2226	}
1695		2227
		2228	# common code, used by both ->save and ->swapout
1696	sub save {	2229	sub _save {
1697	my ($self) = @_;	2230	my ($self) = @_;
1698
1699	my $lock = cf::lock_acquire "map_data:" . $self->path;
1700		2231
1701	$self->{last_save} = $cf::RUNTIME;	2232	$self->{last_save} = $cf::RUNTIME;
1702		2233
1703	return unless $self->dirty;	2234	return unless $self->dirty;
1704		2235
…		…
1710	return if $self->{deny_save};	2241	return if $self->{deny_save};
1711		2242
1712	local $self->{last_access} = $self->last_access;#d#	2243	local $self->{last_access} = $self->last_access;#d#
1713		2244
1714	cf::async {	2245	cf::async {
		2246	$Coro::current->{desc} = "map player save";
1715	$_->contr->save for $self->players;	2247	$_->contr->save for $self->players;
1716	};	2248	};
		2249
		2250	cf::get_slot 0.02;
1717		2251
1718	if ($uniq) {	2252	if ($uniq) {
1719	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2253	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1720	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2254	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1721	} else {	2255	} else {
1722	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2256	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1723	}	2257	}
1724	}	2258	}
1725		2259
		2260	sub save {
		2261	my ($self) = @_;
		2262
		2263	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2264
		2265	$self->_save;
		2266	}
		2267
1726	sub swap_out {	2268	sub swap_out {
1727	my ($self) = @_;	2269	my ($self) = @_;
1728		2270
1729	# save first because save cedes
1730	$self->save;
1731
1732	my $lock = cf::lock_acquire "map_data:" . $self->path;	2271	my $lock = cf::lock_acquire "map_data:$self->{path}";
1733		2272
		2273	return if $self->in_memory != cf::MAP_ACTIVE;
		2274	return if $self->{deny_save};
1734	return if $self->players;	2275	return if $self->players;
1735	return if $self->in_memory != cf::MAP_IN_MEMORY;
1736	return if $self->{deny_save};
1737		2276
		2277	# first deactivate the map and "unlink" it from the core
		2278	$self->deactivate;
		2279	$_->clear_links_to ($self) for values %cf::MAP;
		2280	$self->in_memory (cf::MAP_SWAPPED);
		2281
		2282	# then atomically save
		2283	$self->_save;
		2284
		2285	# then free the map
1738	$self->clear;	2286	$self->clear;
1739	$self->in_memory (cf::MAP_SWAPPED);
1740	}	2287	}
1741		2288
1742	sub reset_at {	2289	sub reset_at {
1743	my ($self) = @_;	2290	my ($self) = @_;
1744		2291
…		…
1762		2309
1763	my $lock = cf::lock_acquire "map_data:$self->{path}";	2310	my $lock = cf::lock_acquire "map_data:$self->{path}";
1764		2311
1765	return if $self->players;	2312	return if $self->players;
1766		2313
1767	warn "resetting map ", $self->path;	2314	warn "resetting map ", $self->path, "\n";
1768		2315
1769	$self->in_memory (cf::MAP_SWAPPED);	2316	$self->in_memory (cf::MAP_SWAPPED);
1770		2317
1771	# need to save uniques path	2318	# need to save uniques path
1772	unless ($self->{deny_save}) {	2319	unless ($self->{deny_save}) {
…		…
1776	if $uniq;	2323	if $uniq;
1777	}	2324	}
1778		2325
1779	delete $cf::MAP{$self->path};	2326	delete $cf::MAP{$self->path};
1780		2327
		2328	$self->deactivate;
		2329	$_->clear_links_to ($self) for values %cf::MAP;
1781	$self->clear;	2330	$self->clear;
1782
1783	$_->clear_links_to ($self) for values %cf::MAP;
1784		2331
1785	$self->unlink_save;	2332	$self->unlink_save;
1786	$self->destroy;	2333	$self->destroy;
1787	}	2334	}
1788		2335
1789	my $nuke_counter = "aaaa";	2336	my $nuke_counter = "aaaa";
1790		2337
1791	sub nuke {	2338	sub nuke {
1792	my ($self) = @_;	2339	my ($self) = @_;
1793		2340
		2341	{
		2342	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2343
1794	delete $cf::MAP{$self->path};	2344	delete $cf::MAP{$self->path};
1795		2345
1796	$self->unlink_save;	2346	$self->unlink_save;
1797		2347
1798	bless $self, "cf::map";	2348	bless $self, "cf::map::wrap";
1799	delete $self->{deny_reset};	2349	delete $self->{deny_reset};
1800	$self->{deny_save} = 1;	2350	$self->{deny_save} = 1;
1801	$self->reset_timeout (1);	2351	$self->reset_timeout (1);
1802	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2352	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1803		2353
1804	$cf::MAP{$self->path} = $self;	2354	$cf::MAP{$self->path} = $self;
		2355	}
1805		2356
1806	$self->reset; # polite request, might not happen	2357	$self->reset; # polite request, might not happen
1807	}	2358	}
1808		2359
1809	=item $maps = cf::map::tmp_maps	2360	=item $maps = cf::map::tmp_maps
…		…
1851		2402
1852	sub unique_maps() {	2403	sub unique_maps() {
1853	[	2404	[
1854	map {	2405	map {
1855	utf8::decode $_;	2406	utf8::decode $_;
1856	/\.map$/	2407	s/\.map$//; # TODO future compatibility hack
		2408	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2409	? ()
1857	? normalise $_	2410	: normalise $_
1858	: ()
1859	} @{ aio_readdir $UNIQUEDIR or [] }	2411	} @{ aio_readdir $UNIQUEDIR or [] }
1860	]	2412	]
1861	}	2413	}
1862		2414
1863	package cf;	2415	=item cf::map::static_maps
		2416
		2417	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2418	file in the shared directory excluding F</styles> and F</editor>). May
		2419	block.
		2420
		2421	=cut
		2422
		2423	sub static_maps() {
		2424	my @dirs = "";
		2425	my @maps;
		2426
		2427	while (@dirs) {
		2428	my $dir = shift @dirs;
		2429
		2430	next if $dir eq "/styles" || $dir eq "/editor";
		2431
		2432	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2433	or return;
		2434
		2435	for (@$files) {
		2436	s/\.map$// or next;
		2437	utf8::decode $_;
		2438	push @maps, "$dir/$_";
		2439	}
		2440
		2441	push @dirs, map "$dir/$_", @$dirs;
		2442	}
		2443
		2444	\@maps
		2445	}
1864		2446
1865	=back	2447	=back
1866		2448
1867	=head3 cf::object	2449	=head3 cf::object
1868		2450
…		…
1872		2454
1873	=over 4	2455	=over 4
1874		2456
1875	=item $ob->inv_recursive	2457	=item $ob->inv_recursive
1876		2458
1877	Returns the inventory of the object _and_ their inventories, recursively.	2459	Returns the inventory of the object I<and> their inventories, recursively,
		2460	but I<not> the object itself.
1878		2461
1879	=cut	2462	=cut
1880		2463
1881	sub inv_recursive_;	2464	sub inv_recursive_;
1882	sub inv_recursive_ {	2465	sub inv_recursive_ {
…		…
1885		2468
1886	sub inv_recursive {	2469	sub inv_recursive {
1887	inv_recursive_ inv $_[0]	2470	inv_recursive_ inv $_[0]
1888	}	2471	}
1889		2472
		2473	=item $ref = $ob->ref
		2474
		2475	Creates and returns a persistent reference to an object that can be stored as a string.
		2476
		2477	=item $ob = cf::object::deref ($refstring)
		2478
		2479	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2480	even if the object actually exists. May block.
		2481
		2482	=cut
		2483
		2484	sub deref {
		2485	my ($ref) = @_;
		2486
		2487	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2488	my ($uuid, $name) = ($1, $2);
		2489	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2490	or return;
		2491	$pl->ob->uuid eq $uuid
		2492	or return;
		2493
		2494	$pl->ob
		2495	} else {
		2496	warn "$ref: cannot resolve object reference\n";
		2497	undef
		2498	}
		2499	}
		2500
1890	package cf;	2501	package cf;
1891		2502
1892	=back	2503	=back
1893		2504
1894	=head3 cf::object::player	2505	=head3 cf::object::player
…		…
1900	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2511	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1901	can be C<undef>. Does the right thing when the player is currently in a	2512	can be C<undef>. Does the right thing when the player is currently in a
1902	dialogue with the given NPC character.	2513	dialogue with the given NPC character.
1903		2514
1904	=cut	2515	=cut
		2516
		2517	our $SAY_CHANNEL = {
		2518	id => "say",
		2519	title => "Map",
		2520	reply => "say ",
		2521	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2522	};
		2523
		2524	our $CHAT_CHANNEL = {
		2525	id => "chat",
		2526	title => "Chat",
		2527	reply => "chat ",
		2528	tooltip => "Player chat and shouts, global to the server.",
		2529	};
1905		2530
1906	# rough implementation of a future "reply" method that works	2531	# rough implementation of a future "reply" method that works
1907	# with dialog boxes.	2532	# with dialog boxes.
1908	#TODO: the first argument must go, split into a $npc->reply_to ( method	2533	#TODO: the first argument must go, split into a $npc->reply_to ( method
1909	sub cf::object::player::reply($$$;$) {	2534	sub cf::object::player::reply($$$;$) {
…		…
1911		2536
1912	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2537	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1913		2538
1914	if ($self->{record_replies}) {	2539	if ($self->{record_replies}) {
1915	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2540	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2541
1916	} else {	2542	} else {
		2543	my $pl = $self->contr;
		2544
		2545	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2546	my $dialog = $pl->{npc_dialog};
		2547	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2548
		2549	} else {
1917	$msg = $npc->name . " says: $msg" if $npc;	2550	$msg = $npc->name . " says: $msg" if $npc;
1918	$self->message ($msg, $flags);	2551	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2552	}
1919	}	2553	}
		2554	}
		2555
		2556	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2557
		2558	=cut
		2559
		2560	sub cf::object::send_msg {
		2561	my $pl = shift->contr
		2562	or return;
		2563	$pl->send_msg (@_);
1920	}	2564	}
1921		2565
1922	=item $player_object->may ("access")	2566	=item $player_object->may ("access")
1923		2567
1924	Returns wether the given player is authorized to access resource "access"	2568	Returns wether the given player is authorized to access resource "access"
…		…
1937		2581
1938	=item $player_object->enter_link	2582	=item $player_object->enter_link
1939		2583
1940	Freezes the player and moves him/her to a special map (C<{link}>).	2584	Freezes the player and moves him/her to a special map (C<{link}>).
1941		2585
1942	The player should be reasonably safe there for short amounts of time. You	2586	The player should be reasonably safe there for short amounts of time (e.g.
1943	I<MUST> call C<leave_link> as soon as possible, though.	2587	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2588	though, as the palyer cannot control the character while it is on the link
		2589	map.
1944		2590
1945	Will never block.	2591	Will never block.
1946		2592
1947	=item $player_object->leave_link ($map, $x, $y)	2593	=item $player_object->leave_link ($map, $x, $y)
1948		2594
…		…
1973	return if UNIVERSAL::isa $self->map, "ext::map_link";	2619	return if UNIVERSAL::isa $self->map, "ext::map_link";
1974		2620
1975	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2621	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1976	if $self->map && $self->map->{path} ne "{link}";	2622	if $self->map && $self->map->{path} ne "{link}";
1977		2623
1978	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2624	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1979	}	2625	}
1980		2626
1981	sub cf::object::player::leave_link {	2627	sub cf::object::player::leave_link {
1982	my ($self, $map, $x, $y) = @_;	2628	my ($self, $map, $x, $y) = @_;
1983		2629
…		…
2000	($x, $y) = (-1, -1)	2646	($x, $y) = (-1, -1)
2001	unless (defined $x) && (defined $y);	2647	unless (defined $x) && (defined $y);
2002		2648
2003	# use -1 or undef as default coordinates, not 0, 0	2649	# use -1 or undef as default coordinates, not 0, 0
2004	($x, $y) = ($map->enter_x, $map->enter_y)	2650	($x, $y) = ($map->enter_x, $map->enter_y)
2005	if $x <=0 && $y <= 0;	2651	if $x <= 0 && $y <= 0;
2006		2652
2007	$map->load;	2653	$map->load;
2008	$map->load_diag;	2654	$map->load_neighbours;
2009		2655
2010	return unless $self->contr->active;	2656	return unless $self->contr->active;
2011	$self->activate_recursive;
2012		2657
2013	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2658	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2014	$self->enter_map ($map, $x, $y);	2659	$self->enter_map ($map, $x, $y);
2015	}
2016		2660
		2661	# only activate afterwards, to support waiting in hooks
		2662	$self->activate_recursive;
		2663	# unless exists $self->{_link_pos}; # maybe we re in-flight again
		2664	}
		2665
2017	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2666	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2018		2667
2019	Moves the player to the given map-path and coordinates by first freezing	2668	Moves the player to the given map-path and coordinates by first freezing
2020	her, loading and preparing them map, calling the provided $check callback	2669	her, loading and preparing them map, calling the provided $check callback
2021	that has to return the map if sucecssful, and then unfreezes the player on	2670	that has to return the map if sucecssful, and then unfreezes the player on
2022	the new (success) or old (failed) map position.	2671	the new (success) or old (failed) map position. In either case, $done will
		2672	be called at the end of this process.
		2673
		2674	Note that $check will be called with a potentially non-loaded map, so if
		2675	it needs a loaded map it has to call C<< ->load >>.
2023		2676
2024	=cut	2677	=cut
2025		2678
2026	our $GOTOGEN;	2679	our $GOTOGEN;
2027		2680
2028	sub cf::object::player::goto {	2681	sub cf::object::player::goto {
2029	my ($self, $path, $x, $y, $check) = @_;	2682	my ($self, $path, $x, $y, $check, $done) = @_;
2030		2683
2031	# do generation counting so two concurrent goto's will be executed in-order	2684	# do generation counting so two concurrent goto's will be executed in-order
2032	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2685	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2033		2686
2034	$self->enter_link;	2687	$self->enter_link;
2035		2688
2036	(async {	2689	(async {
		2690	$Coro::current->{desc} = "player::goto $path $x $y";
		2691
		2692	# *tag paths override both path and x|y
		2693	if ($path =~ /^\*(.*)$/) {
		2694	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2695	my $ob = $obs[rand @obs];
		2696
		2697	# see if we actually can go there
		2698	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2699	$ob = $obs[rand @obs];
		2700	} else {
		2701	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2702	}
		2703	# else put us there anyways for now #d#
		2704
		2705	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2706	} else {
		2707	($path, $x, $y) = (undef, undef, undef);
		2708	}
		2709	}
		2710
2037	my $map = eval {	2711	my $map = eval {
2038	my $map = cf::map::find $path;	2712	my $map = defined $path ? cf::map::find $path : undef;
2039		2713
2040	if ($map) {	2714	if ($map) {
2041	$map = $map->customise_for ($self);	2715	$map = $map->customise_for ($self);
2042	$map = $check->($map) if $check && $map;	2716	$map = $check->($map) if $check && $map;
2043	} else {	2717	} else {
2044	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2718	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2045	}	2719	}
2046		2720
2047	$map	2721	$map
2048	};	2722	};
2049		2723
…		…
2054		2728
2055	if ($gen == $self->{_goto_generation}) {	2729	if ($gen == $self->{_goto_generation}) {
2056	delete $self->{_goto_generation};	2730	delete $self->{_goto_generation};
2057	$self->leave_link ($map, $x, $y);	2731	$self->leave_link ($map, $x, $y);
2058	}	2732	}
		2733
		2734	$done->() if $done;
2059	})->prio (1);	2735	})->prio (1);
2060	}	2736	}
2061		2737
2062	=item $player_object->enter_exit ($exit_object)	2738	=item $player_object->enter_exit ($exit_object)
2063		2739
…		…
2083	}	2759	}
2084		2760
2085	sub prepare_random_map {	2761	sub prepare_random_map {
2086	my ($exit) = @_;	2762	my ($exit) = @_;
2087		2763
2088	my $guard = cf::lock_acquire "exit_prepare:$exit";
2089
2090	# all this does is basically replace the /! path by	2764	# all this does is basically replace the /! path by
2091	# a new random map path (?random/...) with a seed	2765	# a new random map path (?random/...) with a seed
2092	# that depends on the exit object	2766	# that depends on the exit object
2093		2767
2094	my $rmp = parse_random_map_params $exit->msg;	2768	my $rmp = parse_random_map_params $exit->msg;
…		…
2096	if ($exit->map) {	2770	if ($exit->map) {
2097	$rmp->{region} = $exit->region->name;	2771	$rmp->{region} = $exit->region->name;
2098	$rmp->{origin_map} = $exit->map->path;	2772	$rmp->{origin_map} = $exit->map->path;
2099	$rmp->{origin_x} = $exit->x;	2773	$rmp->{origin_x} = $exit->x;
2100	$rmp->{origin_y} = $exit->y;	2774	$rmp->{origin_y} = $exit->y;
		2775
		2776	$exit->map->touch;
2101	}	2777	}
2102		2778
2103	$rmp->{random_seed} ||= $exit->random_seed;	2779	$rmp->{random_seed} ||= $exit->random_seed;
2104		2780
2105	my $data = cf::to_json $rmp;	2781	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2106	my $md5 = Digest::MD5::md5_hex $data;	2782	my $md5 = Digest::MD5::md5_hex $data;
2107	my $meta = "$RANDOMDIR/$md5.meta";	2783	my $meta = "$RANDOMDIR/$md5.meta";
2108		2784
2109	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2785	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2110	aio_write $fh, 0, (length $data), $data, 0;	2786	aio_write $fh, 0, (length $data), $data, 0;
2111	undef $fh;	2787	undef $fh;
2112	aio_rename "$meta~", $meta;	2788	aio_rename "$meta~", $meta;
2113		2789
		2790	my $slaying = "?random/$md5";
		2791
		2792	if ($exit->valid) {
2114	$exit->slaying ("?random/$md5");	2793	$exit->slaying ("?random/$md5");
2115	$exit->msg (undef);	2794	$exit->msg (undef);
		2795	}
2116	}	2796	}
2117	}	2797	}
2118		2798
2119	sub cf::object::player::enter_exit {	2799	sub cf::object::player::enter_exit {
2120	my ($self, $exit) = @_;	2800	my ($self, $exit) = @_;
2121		2801
2122	return unless $self->type == cf::PLAYER;	2802	return unless $self->type == cf::PLAYER;
2123		2803
2124	if ($exit->slaying eq "/!") {
2125	#TODO: this should de-fi-ni-te-ly not be a sync-job
2126	# the problem is that $exit might not survive long enough
2127	# so it needs to be done right now, right here
2128	cf::sync_job { prepare_random_map $exit };
2129	}
2130
2131	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2132	my $hp = $exit->stats->hp;
2133	my $sp = $exit->stats->sp;
2134
2135	$self->enter_link;	2804	$self->enter_link;
2136		2805
2137	(async {	2806	(async {
2138	$self->deactivate_recursive; # just to be sure	2807	$Coro::current->{desc} = "enter_exit";
		2808
2139	unless (eval {	2809	unless (eval {
		2810	$self->deactivate_recursive; # just to be sure
		2811
		2812	# random map handling
		2813	{
		2814	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2815
		2816	prepare_random_map $exit
		2817	if $exit->slaying eq "/!";
		2818	}
		2819
		2820	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2821	my $x = $exit->stats->hp;
		2822	my $y = $exit->stats->sp;
		2823
2140	$self->goto ($slaying, $hp, $sp);	2824	$self->goto ($map, $x, $y);
2141		2825
		2826	# if exit is damned, update players death & WoR home-position
		2827	$self->contr->savebed ($map, $x, $y)
		2828	if $exit->flag (cf::FLAG_DAMNED);
		2829
2142	1;	2830	1
2143	}) {	2831	}) {
2144	$self->message ("Something went wrong deep within the crossfire server. "	2832	$self->message ("Something went wrong deep within the deliantra server. "
2145	. "I'll try to bring you back to the map you were before. "	2833	. "I'll try to bring you back to the map you were before. "
2146	. "Please report this to the dungeon master!",	2834	. "Please report this to the dungeon master!",
2147	cf::NDI_UNIQUE | cf::NDI_RED);	2835	cf::NDI_UNIQUE | cf::NDI_RED);
2148		2836
2149	warn "ERROR in enter_exit: $@";	2837	warn "ERROR in enter_exit: $@";
…		…
2168		2856
2169	utf8::encode $text;	2857	utf8::encode $text;
2170	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2858	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2171	}	2859	}
2172		2860
		2861	=item $client->send_big_packet ($pkt)
		2862
		2863	Like C<send_packet>, but tries to compress large packets, and fragments
		2864	them as required.
		2865
		2866	=cut
		2867
		2868	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2869
		2870	sub cf::client::send_big_packet {
		2871	my ($self, $pkt) = @_;
		2872
		2873	# try lzf for large packets
		2874	$pkt = "lzf " . Compress::LZF::compress $pkt
		2875	if 1024 <= length $pkt and $self->{can_lzf};
		2876
		2877	# split very large packets
		2878	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2879	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2880	$pkt = "frag";
		2881	}
		2882
		2883	$self->send_packet ($pkt);
		2884	}
		2885
		2886	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2887
		2888	Send a drawinfo or msg packet to the client, formatting the msg for the
		2889	client if neccessary. C<$type> should be a string identifying the type of
		2890	the message, with C<log> being the default. If C<$color> is negative, suppress
		2891	the message unless the client supports the msg packet.
		2892
		2893	=cut
		2894
		2895	# non-persistent channels (usually the info channel)
		2896	our %CHANNEL = (
		2897	"c/motd" => {
		2898	id => "infobox",
		2899	title => "MOTD",
		2900	reply => undef,
		2901	tooltip => "The message of the day",
		2902	},
		2903	"c/identify" => {
		2904	id => "infobox",
		2905	title => "Identify",
		2906	reply => undef,
		2907	tooltip => "Items recently identified",
		2908	},
		2909	"c/examine" => {
		2910	id => "infobox",
		2911	title => "Examine",
		2912	reply => undef,
		2913	tooltip => "Signs and other items you examined",
		2914	},
		2915	"c/shopinfo" => {
		2916	id => "infobox",
		2917	title => "Shop Info",
		2918	reply => undef,
		2919	tooltip => "What your bargaining skill tells you about the shop",
		2920	},
		2921	"c/book" => {
		2922	id => "infobox",
		2923	title => "Book",
		2924	reply => undef,
		2925	tooltip => "The contents of a note or book",
		2926	},
		2927	"c/lookat" => {
		2928	id => "infobox",
		2929	title => "Look",
		2930	reply => undef,
		2931	tooltip => "What you saw there",
		2932	},
		2933	"c/who" => {
		2934	id => "infobox",
		2935	title => "Players",
		2936	reply => undef,
		2937	tooltip => "Shows players who are currently online",
		2938	},
		2939	"c/body" => {
		2940	id => "infobox",
		2941	title => "Body Parts",
		2942	reply => undef,
		2943	tooltip => "Shows which body parts you posess and are available",
		2944	},
		2945	"c/statistics" => {
		2946	id => "infobox",
		2947	title => "Statistics",
		2948	reply => undef,
		2949	tooltip => "Shows your primary statistics",
		2950	},
		2951	"c/skills" => {
		2952	id => "infobox",
		2953	title => "Skills",
		2954	reply => undef,
		2955	tooltip => "Shows your experience per skill and item power",
		2956	},
		2957	"c/shopitems" => {
		2958	id => "infobox",
		2959	title => "Shop Items",
		2960	reply => undef,
		2961	tooltip => "Shows the items currently for sale in this shop",
		2962	},
		2963	"c/resistances" => {
		2964	id => "infobox",
		2965	title => "Resistances",
		2966	reply => undef,
		2967	tooltip => "Shows your resistances",
		2968	},
		2969	"c/pets" => {
		2970	id => "infobox",
		2971	title => "Pets",
		2972	reply => undef,
		2973	tooltip => "Shows information abotu your pets/a specific pet",
		2974	},
		2975	"c/perceiveself" => {
		2976	id => "infobox",
		2977	title => "Perceive Self",
		2978	reply => undef,
		2979	tooltip => "You gained detailed knowledge about yourself",
		2980	},
		2981	"c/uptime" => {
		2982	id => "infobox",
		2983	title => "Uptime",
		2984	reply => undef,
		2985	tooltip => "How long the server has been running since last restart",
		2986	},
		2987	"c/mapinfo" => {
		2988	id => "infobox",
		2989	title => "Map Info",
		2990	reply => undef,
		2991	tooltip => "Information related to the maps",
		2992	},
		2993	"c/party" => {
		2994	id => "party",
		2995	title => "Party",
		2996	reply => "gsay ",
		2997	tooltip => "Messages and chat related to your party",
		2998	},
		2999	"c/death" => {
		3000	id => "death",
		3001	title => "Death",
		3002	reply => undef,
		3003	tooltip => "Reason for and more info about your most recent death",
		3004	},
		3005	"c/say" => $SAY_CHANNEL,
		3006	"c/chat" => $CHAT_CHANNEL,
		3007	);
		3008
		3009	sub cf::client::send_msg {
		3010	my ($self, $channel, $msg, $color, @extra) = @_;
		3011
		3012	$msg = $self->pl->expand_cfpod ($msg)
		3013	unless $color & cf::NDI_VERBATIM;
		3014
		3015	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3016
		3017	# check predefined channels, for the benefit of C
		3018	if ($CHANNEL{$channel}) {
		3019	$channel = $CHANNEL{$channel};
		3020
		3021	$self->ext_msg (channel_info => $channel);
		3022	$channel = $channel->{id};
		3023
		3024	} elsif (ref $channel) {
		3025	# send meta info to client, if not yet sent
		3026	unless (exists $self->{channel}{$channel->{id}}) {
		3027	$self->{channel}{$channel->{id}} = $channel;
		3028	$self->ext_msg (channel_info => $channel);
		3029	}
		3030
		3031	$channel = $channel->{id};
		3032	}
		3033
		3034	return unless @extra || length $msg;
		3035
		3036	# default colour, mask it out
		3037	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3038	if $color & cf::NDI_DEF;
		3039
		3040	my $pkt = "msg "
		3041	. $self->{json_coder}->encode (
		3042	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3043	);
		3044
		3045	$self->send_big_packet ($pkt);
		3046	}
		3047
2173	=item $client->ext_event ($type, %msg)	3048	=item $client->ext_msg ($type, @msg)
2174		3049
2175	Sends an exti event to the client.	3050	Sends an ext event to the client.
2176		3051
2177	=cut	3052	=cut
2178		3053
2179	sub cf::client::ext_event($$%) {	3054	sub cf::client::ext_msg($$@) {
2180	my ($self, $type, %msg) = @_;	3055	my ($self, $type, @msg) = @_;
2181		3056
		3057	if ($self->extcmd == 2) {
		3058	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3059	} elsif ($self->extcmd == 1) { # TODO: remove
2182	$msg{msgtype} = "event_$type";	3060	push @msg, msgtype => "event_$type";
2183	$self->send_packet ("ext " . cf::to_json \%msg);	3061	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3062	}
		3063	}
		3064
		3065	=item $client->ext_reply ($msgid, @msg)
		3066
		3067	Sends an ext reply to the client.
		3068
		3069	=cut
		3070
		3071	sub cf::client::ext_reply($$@) {
		3072	my ($self, $id, @msg) = @_;
		3073
		3074	if ($self->extcmd == 2) {
		3075	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3076	} elsif ($self->extcmd == 1) {
		3077	#TODO: version 1, remove
		3078	unshift @msg, msgtype => "reply", msgid => $id;
		3079	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3080	}
2184	}	3081	}
2185		3082
2186	=item $success = $client->query ($flags, "text", \&cb)	3083	=item $success = $client->query ($flags, "text", \&cb)
2187		3084
2188	Queues a query to the client, calling the given callback with	3085	Queues a query to the client, calling the given callback with
2189	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3086	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2190	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3087	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2191		3088
2192	Queries can fail, so check the return code. Or don't, as queries will become	3089	Queries can fail, so check the return code. Or don't, as queries will
2193	reliable at some point in the future.	3090	become reliable at some point in the future.
2194		3091
2195	=cut	3092	=cut
2196		3093
2197	sub cf::client::query {	3094	sub cf::client::query {
2198	my ($self, $flags, $text, $cb) = @_;	3095	my ($self, $flags, $text, $cb) = @_;
…		…
2206	utf8::encode $text;	3103	utf8::encode $text;
2207	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3104	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2208		3105
2209	$self->send_packet ($self->{query_queue}[0][0])	3106	$self->send_packet ($self->{query_queue}[0][0])
2210	if @{ $self->{query_queue} } == 1;	3107	if @{ $self->{query_queue} } == 1;
		3108
		3109	1
2211	}	3110	}
2212		3111
2213	cf::client->attach (	3112	cf::client->attach (
		3113	on_connect => sub {
		3114	my ($ns) = @_;
		3115
		3116	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3117	},
2214	on_reply => sub {	3118	on_reply => sub {
2215	my ($ns, $msg) = @_;	3119	my ($ns, $msg) = @_;
2216		3120
2217	# this weird shuffling is so that direct followup queries	3121	# this weird shuffling is so that direct followup queries
2218	# get handled first	3122	# get handled first
…		…
2230	} else {	3134	} else {
2231	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3135	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2232	}	3136	}
2233	}	3137	}
2234	},	3138	},
		3139	on_exticmd => sub {
		3140	my ($ns, $buf) = @_;
		3141
		3142	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3143
		3144	if (ref $msg) {
		3145	my ($type, $reply, @payload) =
		3146	"ARRAY" eq ref $msg
		3147	? @$msg
		3148	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3149
		3150	my @reply;
		3151
		3152	if (my $cb = $EXTICMD{$type}) {
		3153	@reply = $cb->($ns, @payload);
		3154	}
		3155
		3156	$ns->ext_reply ($reply, @reply)
		3157	if $reply;
		3158
		3159	} else {
		3160	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3161	}
		3162
		3163	cf::override;
		3164	},
2235	);	3165	);
2236		3166
2237	=item $client->async (\&cb)	3167	=item $client->async (\&cb)
2238		3168
2239	Create a new coroutine, running the specified callback. The coroutine will	3169	Create a new coroutine, running the specified callback. The coroutine will
…		…
2255		3185
2256	$coro	3186	$coro
2257	}	3187	}
2258		3188
2259	cf::client->attach (	3189	cf::client->attach (
2260	on_destroy => sub {	3190	on_client_destroy => sub {
2261	my ($ns) = @_;	3191	my ($ns) = @_;
2262		3192
2263	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3193	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2264	},	3194	},
2265	);	3195	);
…		…
2280	our $safe = new Safe "safe";	3210	our $safe = new Safe "safe";
2281	our $safe_hole = new Safe::Hole;	3211	our $safe_hole = new Safe::Hole;
2282		3212
2283	$SIG{FPE} = 'IGNORE';	3213	$SIG{FPE} = 'IGNORE';
2284		3214
2285	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3215	$safe->permit_only (Opcode::opset qw(
		3216	:base_core :base_mem :base_orig :base_math :base_loop
		3217	grepstart grepwhile mapstart mapwhile
		3218	sort time
		3219	));
2286		3220
2287	# here we export the classes and methods available to script code	3221	# here we export the classes and methods available to script code
2288		3222
2289	=pod	3223	=pod
2290		3224
2291	The following functions and methods are available within a safe environment:	3225	The following functions and methods are available within a safe environment:
2292		3226
2293	cf::object contr pay_amount pay_player map	3227	cf::object
		3228	contr pay_amount pay_player map x y force_find force_add destroy
		3229	insert remove name archname title slaying race decrease split
		3230	value
		3231
2294	cf::object::player player	3232	cf::object::player
2295	cf::player peaceful	3233	player
2296	cf::map trigger	3234
		3235	cf::player
		3236	peaceful
		3237
		3238	cf::map
		3239	trigger
2297		3240
2298	=cut	3241	=cut
2299		3242
2300	for (	3243	for (
2301	["cf::object" => qw(contr pay_amount pay_player map)],	3244	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3245	insert remove inv nrof name archname title slaying race
		3246	decrease split destroy change_exp value msg lore send_msg)],
2302	["cf::object::player" => qw(player)],	3247	["cf::object::player" => qw(player)],
2303	["cf::player" => qw(peaceful)],	3248	["cf::player" => qw(peaceful send_msg)],
2304	["cf::map" => qw(trigger)],	3249	["cf::map" => qw(trigger)],
2305	) {	3250	) {
2306	no strict 'refs';	3251	no strict 'refs';
2307	my ($pkg, @funs) = @$_;	3252	my ($pkg, @funs) = @$_;
2308	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3253	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2326		3271
2327	my $qcode = $code;	3272	my $qcode = $code;
2328	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3273	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2329	$qcode =~ s/\n/\\n/g;	3274	$qcode =~ s/\n/\\n/g;
2330		3275
		3276	%vars = (_dummy => 0) unless %vars;
		3277
		3278	my @res;
2331	local $_;	3279	local $_;
2332	local @safe::cf::_safe_eval_args = values %vars;
2333		3280
2334	my $eval =	3281	my $eval =
2335	"do {\n"	3282	"do {\n"
2336	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3283	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2337	. "#line 0 \"{$qcode}\"\n"	3284	. "#line 0 \"{$qcode}\"\n"
2338	. $code	3285	. $code
2339	. "\n}"	3286	. "\n}"
2340	;	3287	;
2341		3288
		3289	if ($CFG{safe_eval}) {
2342	sub_generation_inc;	3290	sub_generation_inc;
		3291	local @safe::cf::_safe_eval_args = values %vars;
2343	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3292	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2344	sub_generation_inc;	3293	sub_generation_inc;
		3294	} else {
		3295	local @cf::_safe_eval_args = values %vars;
		3296	@res = wantarray ? eval eval : scalar eval $eval;
		3297	}
2345		3298
2346	if ($@) {	3299	if ($@) {
2347	warn "$@";	3300	warn "$@";
2348	warn "while executing safe code '$code'\n";	3301	warn "while executing safe code '$code'\n";
2349	warn "with arguments " . (join " ", %vars) . "\n";	3302	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2368	=cut	3321	=cut
2369		3322
2370	sub register_script_function {	3323	sub register_script_function {
2371	my ($fun, $cb) = @_;	3324	my ($fun, $cb) = @_;
2372		3325
2373	no strict 'refs';	3326	$fun = "safe::$fun" if $CFG{safe_eval};
2374	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3327	*$fun = $safe_hole->wrap ($cb);
2375	}	3328	}
2376		3329
2377	=back	3330	=back
2378		3331
2379	=cut	3332	=cut
2380
2381	#############################################################################
2382
2383	=head2 EXTENSION DATABASE SUPPORT
2384
2385	Crossfire maintains a very simple database for extension use. It can
2386	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2387	convert to/from binary).
2388
2389	The parameter C<$family> should best start with the name of the extension
2390	using it, it should be unique.
2391
2392	=over 4
2393
2394	=item $value = cf::db_get $family => $key
2395
2396	Returns a single value from the database.
2397
2398	=item cf::db_put $family => $key => $value
2399
2400	Stores the given C<$value> in the family.
2401
2402	=cut
2403
2404	our $DB;
2405
2406	sub db_init {
2407	unless ($DB) {
2408	$DB = BDB::db_create $DB_ENV;
2409
2410	cf::sync_job {
2411	eval {
2412	$DB->set_flags (BDB::CHKSUM);
2413
2414	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2415	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2416	cf::cleanup "db_open(db): $!" if $!;
2417	};
2418	cf::cleanup "db_open(db): $@" if $@;
2419	};
2420	}
2421	}
2422
2423	sub db_get($$) {
2424	my $key = "$_[0]/$_[1]";
2425
2426	cf::sync_job {
2427	BDB::db_get $DB, undef, $key, my $data;
2428
2429	$! ? ()
2430	: $data
2431	}
2432	}
2433
2434	sub db_put($$$) {
2435	BDB::dbreq_pri 4;
2436	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2437	}
2438
2439	=item cf::cache $id => [$paths...], $processversion => $process
2440
2441	Generic caching function that returns the value of the resource $id,
2442	caching and regenerating as required.
2443
2444	This function can block.
2445
2446	=cut
2447
2448	sub cache {
2449	my ($id, $src, $processversion, $process) = @_;
2450
2451	my $meta =
2452	join "\x00",
2453	$processversion,
2454	map {
2455	aio_stat $_
2456	and Carp::croak "$_: $!";
2457
2458	($_, (stat _)[7,9])
2459	} @$src;
2460
2461	my $dbmeta = db_get cache => "$id/meta";
2462	if ($dbmeta ne $meta) {
2463	# changed, we may need to process
2464
2465	my @data;
2466	my $md5;
2467
2468	for (0 .. $#$src) {
2469	0 <= aio_load $src->[$_], $data[$_]
2470	or Carp::croak "$src->[$_]: $!";
2471	}
2472
2473	# if processing is expensive, check
2474	# checksum first
2475	if (1) {
2476	$md5 =
2477	join "\x00",
2478	$processversion,
2479	map {
2480	Coro::cede;
2481	($src->[$_], Digest::MD5::md5_hex $data[$_])
2482	} 0.. $#$src;
2483
2484
2485	my $dbmd5 = db_get cache => "$id/md5";
2486	if ($dbmd5 eq $md5) {
2487	db_put cache => "$id/meta", $meta;
2488
2489	return db_get cache => "$id/data";
2490	}
2491	}
2492
2493	my $t1 = Time::HiRes::time;
2494	my $data = $process->(\@data);
2495	my $t2 = Time::HiRes::time;
2496
2497	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2498
2499	db_put cache => "$id/data", $data;
2500	db_put cache => "$id/md5" , $md5;
2501	db_put cache => "$id/meta", $meta;
2502
2503	return $data;
2504	}
2505
2506	db_get cache => "$id/data"
2507	}
2508
2509	=item fork_call { }, $args
2510
2511	Executes the given code block with the given arguments in a seperate
2512	process, returning the results. Everything must be serialisable with
2513	Coro::Storable. May, of course, block. Note that the executed sub may
2514	never block itself or use any form of Event handling.
2515
2516	=cut
2517
2518	sub fork_call(&@) {
2519	my ($cb, @args) = @_;
2520
2521	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2522	# or die "socketpair: $!";
2523	pipe my $fh1, my $fh2
2524	or die "pipe: $!";
2525
2526	if (my $pid = fork) {
2527	close $fh2;
2528
2529	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2530	$res = Coro::Storable::thaw $res;
2531
2532	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2533
2534	die $$res unless "ARRAY" eq ref $res;
2535
2536	return wantarray ? @$res : $res->[-1];
2537	} else {
2538	reset_signals;
2539	local $SIG{__WARN__};
2540	local $SIG{__DIE__};
2541	eval {
2542	close $fh1;
2543
2544	my @res = eval { $cb->(@args) };
2545	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2546	};
2547
2548	warn $@ if $@;
2549	_exit 0;
2550	}
2551	}
2552		3333
2553	#############################################################################	3334	#############################################################################
2554	# the server's init and main functions	3335	# the server's init and main functions
2555		3336
2556	sub load_facedata($) {	3337	sub load_facedata($) {
2557	my ($path) = @_;	3338	my ($path) = @_;
		3339
		3340	# HACK to clear player env face cache, we need some signal framework
		3341	# for this (global event?)
		3342	%ext::player_env::MUSIC_FACE_CACHE = ();
		3343
		3344	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2558		3345
2559	warn "loading facedata from $path\n";	3346	warn "loading facedata from $path\n";
2560		3347
2561	my $facedata;	3348	my $facedata;
2562	0 < aio_load $path, $facedata	3349	0 < aio_load $path, $facedata
…		…
2565	$facedata = Coro::Storable::thaw $facedata;	3352	$facedata = Coro::Storable::thaw $facedata;
2566		3353
2567	$facedata->{version} == 2	3354	$facedata->{version} == 2
2568	or cf::cleanup "$path: version mismatch, cannot proceed.";	3355	or cf::cleanup "$path: version mismatch, cannot proceed.";
2569		3356
		3357	# patch in the exptable
		3358	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3359	$facedata->{resource}{"res/exp_table"} = {
		3360	type => FT_RSRC,
		3361	data => $exp_table,
		3362	hash => (Digest::MD5::md5 $exp_table),
		3363	};
		3364	cf::cede_to_tick;
		3365
2570	{	3366	{
2571	my $faces = $facedata->{faceinfo};	3367	my $faces = $facedata->{faceinfo};
2572		3368
2573	while (my ($face, $info) = each %$faces) {	3369	while (my ($face, $info) = each %$faces) {
2574	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3370	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3371
2575	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3372	cf::face::set_visibility $idx, $info->{visibility};
		3373	cf::face::set_magicmap $idx, $info->{magicmap};
2576	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3374	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2577	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3375	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2578	Coro::cede;	3376
		3377	cf::cede_to_tick;
2579	}	3378	}
2580		3379
2581	while (my ($face, $info) = each %$faces) {	3380	while (my ($face, $info) = each %$faces) {
2582	next unless $info->{smooth};	3381	next unless $info->{smooth};
		3382
2583	my $idx = cf::face::find $face	3383	my $idx = cf::face::find $face
2584	or next;	3384	or next;
		3385
2585	if (my $smooth = cf::face::find $info->{smooth}) {	3386	if (my $smooth = cf::face::find $info->{smooth}) {
		3387	cf::face::set_smooth $idx, $smooth;
2586	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3388	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2587	} else {	3389	} else {
2588	warn "smooth face '$info->{smooth}' not found for face '$face'";	3390	warn "smooth face '$info->{smooth}' not found for face '$face'";
2589	}	3391	}
2590	Coro::cede;	3392
		3393	cf::cede_to_tick;
2591	}	3394	}
2592	}	3395	}
2593		3396
2594	{	3397	{
2595	my $anims = $facedata->{animinfo};	3398	my $anims = $facedata->{animinfo};
2596		3399
2597	while (my ($anim, $info) = each %$anims) {	3400	while (my ($anim, $info) = each %$anims) {
2598	cf::anim::set $anim, $info->{frames}, $info->{facings};	3401	cf::anim::set $anim, $info->{frames}, $info->{facings};
2599	Coro::cede;	3402	cf::cede_to_tick;
2600	}	3403	}
2601		3404
2602	cf::anim::invalidate_all; # d'oh	3405	cf::anim::invalidate_all; # d'oh
2603	}	3406	}
2604		3407
		3408	{
		3409	my $res = $facedata->{resource};
		3410
		3411	while (my ($name, $info) = each %$res) {
		3412	if (defined $info->{type}) {
		3413	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3414
		3415	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3416	cf::face::set_type $idx, $info->{type};
		3417	} else {
		3418	$RESOURCE{$name} = $info;
		3419	}
		3420
		3421	cf::cede_to_tick;
		3422	}
		3423	}
		3424
		3425	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3426
2605	1	3427	1
2606	}	3428	}
2607		3429
		3430	cf::global->attach (on_resource_update => sub {
		3431	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3432	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3433
		3434	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3435	my $sound = $soundconf->{compat}[$_]
		3436	or next;
		3437
		3438	my $face = cf::face::find "sound/$sound->[1]";
		3439	cf::sound::set $sound->[0] => $face;
		3440	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3441	}
		3442
		3443	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3444	my $face = cf::face::find "sound/$v";
		3445	cf::sound::set $k => $face;
		3446	}
		3447	}
		3448	});
		3449
		3450	register_exticmd fx_want => sub {
		3451	my ($ns, $want) = @_;
		3452
		3453	while (my ($k, $v) = each %$want) {
		3454	$ns->fx_want ($k, $v);
		3455	}
		3456	};
		3457
		3458	sub load_resource_file($) {
		3459	my $guard = lock_acquire "load_resource_file";
		3460
		3461	my $status = load_resource_file_ $_[0];
		3462	get_slot 0.1, 100;
		3463	cf::arch::commit_load;
		3464
		3465	$status
		3466	}
		3467
2608	sub reload_regions {	3468	sub reload_regions {
		3469	# HACK to clear player env face cache, we need some signal framework
		3470	# for this (global event?)
		3471	%ext::player_env::MUSIC_FACE_CACHE = ();
		3472
2609	load_resource_file "$MAPDIR/regions"	3473	load_resource_file "$MAPDIR/regions"
2610	or die "unable to load regions file\n";	3474	or die "unable to load regions file\n";
		3475
		3476	for (cf::region::list) {
		3477	$_->{match} = qr/$_->{match}/
		3478	if exists $_->{match};
		3479	}
2611	}	3480	}
2612		3481
2613	sub reload_facedata {	3482	sub reload_facedata {
2614	load_facedata "$DATADIR/facedata"	3483	load_facedata "$DATADIR/facedata"
2615	or die "unable to load facedata\n";	3484	or die "unable to load facedata\n";
…		…
2626	}	3495	}
2627		3496
2628	sub reload_resources {	3497	sub reload_resources {
2629	warn "reloading resource files...\n";	3498	warn "reloading resource files...\n";
2630		3499
		3500	reload_facedata;
		3501	reload_archetypes;
2631	reload_regions;	3502	reload_regions;
2632	reload_facedata;
2633	#reload_archetypes;#d#
2634	reload_archetypes;
2635	reload_treasures;	3503	reload_treasures;
2636		3504
2637	warn "finished reloading resource files\n";	3505	warn "finished reloading resource files\n";
2638	}	3506	}
2639		3507
2640	sub init {	3508	sub reload_config {
2641	reload_resources;	3509	warn "reloading config file...\n";
2642	}
2643		3510
2644	sub cfg_load {
2645	open my $fh, "<:utf8", "$CONFDIR/config"	3511	open my $fh, "<:utf8", "$CONFDIR/config"
2646	or return;	3512	or return;
2647		3513
2648	local $/;	3514	local $/;
2649	*CFG = YAML::Syck::Load <$fh>;	3515	*CFG = YAML::XS::Load scalar <$fh>;
2650		3516
2651	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3517	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2652		3518
2653	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3519	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2654	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3520	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2658	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3524	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2659	and die "WARNING: m(un)lockall failed: $!\n";	3525	and die "WARNING: m(un)lockall failed: $!\n";
2660	};	3526	};
2661	warn $@ if $@;	3527	warn $@ if $@;
2662	}	3528	}
		3529
		3530	warn "finished reloading resource files\n";
		3531	}
		3532
		3533	sub pidfile() {
		3534	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3535	or die "$PIDFILE: $!";
		3536	flock $fh, &Fcntl::LOCK_EX
		3537	or die "$PIDFILE: flock: $!";
		3538	$fh
		3539	}
		3540
		3541	# make sure only one server instance is running at any one time
		3542	sub atomic {
		3543	my $fh = pidfile;
		3544
		3545	my $pid = <$fh>;
		3546	kill 9, $pid if $pid > 0;
		3547
		3548	seek $fh, 0, 0;
		3549	print $fh $$;
		3550	}
		3551
		3552	sub main_loop {
		3553	warn "EV::loop starting\n";
		3554	if (1) {
		3555	EV::loop;
		3556	}
		3557	warn "EV::loop returned\n";
		3558	goto &main_loop unless $REALLY_UNLOOP;
2663	}	3559	}
2664		3560
2665	sub main {	3561	sub main {
		3562	cf::init_globals; # initialise logging
		3563
		3564	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3565	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3566	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3567	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3568
		3569	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3570
2666	# we must not ever block the main coroutine	3571	# we must not ever block the main coroutine
2667	local $Coro::idle = sub {	3572	local $Coro::idle = sub {
2668	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3573	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2669	(async {	3574	(async {
2670	Event::one_event;	3575	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3576	EV::loop EV::LOOP_ONESHOT;
2671	})->prio (Coro::PRIO_MAX);	3577	})->prio (Coro::PRIO_MAX);
2672	};	3578	};
2673		3579
2674	cfg_load;	3580	evthread_start IO::AIO::poll_fileno;
		3581
		3582	cf::sync_job {
		3583	cf::init_experience;
		3584	cf::init_anim;
		3585	cf::init_attackmess;
		3586	cf::init_dynamic;
		3587
		3588	cf::load_settings;
		3589	cf::load_materials;
		3590
		3591	reload_resources;
		3592	reload_config;
2675	db_init;	3593	db_init;
		3594
		3595	cf::init_uuid;
		3596	cf::init_signals;
		3597	cf::init_skills;
		3598
		3599	cf::init_beforeplay;
		3600
		3601	atomic;
		3602
2676	load_extensions;	3603	load_extensions;
2677		3604
2678	$TICK_WATCHER->start;	3605	utime time, time, $RUNTIMEFILE;
2679	Event::loop;	3606
		3607	# no (long-running) fork's whatsoever before this point(!)
		3608	use POSIX ();
		3609	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3610
		3611	(pop @POST_INIT)->(0) while @POST_INIT;
		3612	};
		3613
		3614	cf::object::thawer::errors_are_fatal 0;
		3615	warn "parse errors in files are no longer fatal from this point on.\n";
		3616
		3617	main_loop;
2680	}	3618	}
2681		3619
2682	#############################################################################	3620	#############################################################################
2683	# initialisation and cleanup	3621	# initialisation and cleanup
2684		3622
2685	# install some emergency cleanup handlers	3623	# install some emergency cleanup handlers
2686	BEGIN {	3624	BEGIN {
		3625	our %SIGWATCHER = ();
2687	for my $signal (qw(INT HUP TERM)) {	3626	for my $signal (qw(INT HUP TERM)) {
2688	Event->signal (	3627	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2689	reentrant => 0,
2690	data => WF_AUTOCANCEL,
2691	signal => $signal,
2692	prio => 0,
2693	cb => sub {
2694	cf::cleanup "SIG$signal";	3628	cf::cleanup "SIG$signal";
2695	},
2696	);	3629	};
		3630	}
		3631	}
		3632
		3633	sub write_runtime_sync {
		3634	my $t0 = AE::time;
		3635
		3636	# first touch the runtime file to show we are still running:
		3637	# the fsync below can take a very very long time.
		3638
		3639	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3640
		3641	my $guard = cf::lock_acquire "write_runtime";
		3642
		3643	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3644	or return;
		3645
		3646	my $value = $cf::RUNTIME + 90 + 10;
		3647	# 10 is the runtime save interval, for a monotonic clock
		3648	# 60 allows for the watchdog to kill the server.
		3649
		3650	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3651	and return;
		3652
		3653	# always fsync - this file is important
		3654	aio_fsync $fh
		3655	and return;
		3656
		3657	# touch it again to show we are up-to-date
		3658	aio_utime $fh, undef, undef;
		3659
		3660	close $fh
		3661	or return;
		3662
		3663	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3664	and return;
		3665
		3666	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3667
2697	}	3668	1
		3669	}
		3670
		3671	our $uuid_lock;
		3672	our $uuid_skip;
		3673
		3674	sub write_uuid_sync($) {
		3675	$uuid_skip ||= $_[0];
		3676
		3677	return if $uuid_lock;
		3678	local $uuid_lock = 1;
		3679
		3680	my $uuid = "$LOCALDIR/uuid";
		3681
		3682	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3683	or return;
		3684
		3685	my $value = uuid_seq uuid_cur;
		3686
		3687	unless ($value) {
		3688	warn "cowardly refusing to write zero uuid value!\n";
		3689	return;
		3690	}
		3691
		3692	my $value = uuid_str $value + $uuid_skip;
		3693	$uuid_skip = 0;
		3694
		3695	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3696	and return;
		3697
		3698	# always fsync - this file is important
		3699	aio_fsync $fh
		3700	and return;
		3701
		3702	close $fh
		3703	or return;
		3704
		3705	aio_rename "$uuid~", $uuid
		3706	and return;
		3707
		3708	warn "uuid file written ($value).\n";
		3709
		3710	1
		3711
		3712	}
		3713
		3714	sub write_uuid($$) {
		3715	my ($skip, $sync) = @_;
		3716
		3717	$sync ? write_uuid_sync $skip
		3718	: async { write_uuid_sync $skip };
2698	}	3719	}
2699		3720
2700	sub emergency_save() {	3721	sub emergency_save() {
2701	my $freeze_guard = cf::freeze_mainloop;	3722	my $freeze_guard = cf::freeze_mainloop;
2702		3723
2703	warn "enter emergency perl save\n";	3724	warn "emergency_perl_save: enter\n";
2704		3725
2705	cf::sync_job {	3726	cf::sync_job {
		3727	# this is a trade-off: we want to be very quick here, so
		3728	# save all maps without fsync, and later call a global sync
		3729	# (which in turn might be very very slow)
		3730	local $USE_FSYNC = 0;
		3731
2706	# use a peculiar iteration method to avoid tripping on perl	3732	# use a peculiar iteration method to avoid tripping on perl
2707	# refcount bugs in for. also avoids problems with players	3733	# refcount bugs in for. also avoids problems with players
2708	# and maps saved/destroyed asynchronously.	3734	# and maps saved/destroyed asynchronously.
2709	warn "begin emergency player save\n";	3735	warn "emergency_perl_save: begin player save\n";
2710	for my $login (keys %cf::PLAYER) {	3736	for my $login (keys %cf::PLAYER) {
2711	my $pl = $cf::PLAYER{$login} or next;	3737	my $pl = $cf::PLAYER{$login} or next;
2712	$pl->valid or next;	3738	$pl->valid or next;
		3739	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2713	$pl->save;	3740	$pl->save;
2714	}	3741	}
2715	warn "end emergency player save\n";	3742	warn "emergency_perl_save: end player save\n";
2716		3743
2717	warn "begin emergency map save\n";	3744	warn "emergency_perl_save: begin map save\n";
2718	for my $path (keys %cf::MAP) {	3745	for my $path (keys %cf::MAP) {
2719	my $map = $cf::MAP{$path} or next;	3746	my $map = $cf::MAP{$path} or next;
2720	$map->valid or next;	3747	$map->valid or next;
2721	$map->save;	3748	$map->save;
2722	}	3749	}
2723	warn "end emergency map save\n";	3750	warn "emergency_perl_save: end map save\n";
2724		3751
2725	warn "begin emergency database checkpoint\n";	3752	warn "emergency_perl_save: begin database checkpoint\n";
2726	BDB::db_env_txn_checkpoint $DB_ENV;	3753	BDB::db_env_txn_checkpoint $DB_ENV;
2727	warn "end emergency database checkpoint\n";	3754	warn "emergency_perl_save: end database checkpoint\n";
		3755
		3756	warn "emergency_perl_save: begin write uuid\n";
		3757	write_uuid_sync 1;
		3758	warn "emergency_perl_save: end write uuid\n";
2728	};	3759	};
2729		3760
		3761	warn "emergency_perl_save: starting sync()\n";
		3762	IO::AIO::aio_sync sub {
		3763	warn "emergency_perl_save: finished sync()\n";
		3764	};
		3765
2730	warn "leave emergency perl save\n";	3766	warn "emergency_perl_save: leave\n";
2731	}	3767	}
2732		3768
2733	sub post_cleanup {	3769	sub post_cleanup {
2734	my ($make_core) = @_;	3770	my ($make_core) = @_;
2735		3771
2736	warn Carp::longmess "post_cleanup backtrace"	3772	warn Carp::longmess "post_cleanup backtrace"
2737	if $make_core;	3773	if $make_core;
		3774
		3775	my $fh = pidfile;
		3776	unlink $PIDFILE if <$fh> == $$;
		3777	}
		3778
		3779	# a safer delete_package, copied from Symbol
		3780	sub clear_package($) {
		3781	my $pkg = shift;
		3782
		3783	# expand to full symbol table name if needed
		3784	unless ($pkg =~ /^main::.*::$/) {
		3785	$pkg = "main$pkg" if $pkg =~ /^::/;
		3786	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3787	$pkg .= '::' unless $pkg =~ /::$/;
		3788	}
		3789
		3790	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3791	my $stem_symtab = *{$stem}{HASH};
		3792
		3793	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3794	or return;
		3795
		3796	# clear all symbols
		3797	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3798	for my $name (keys %$leaf_symtab) {
		3799	_gv_clear *{"$pkg$name"};
		3800	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3801	}
2738	}	3802	}
2739		3803
2740	sub do_reload_perl() {	3804	sub do_reload_perl() {
2741	# can/must only be called in main	3805	# can/must only be called in main
2742	if ($Coro::current != $Coro::main) {	3806	if (in_main) {
2743	warn "can only reload from main coroutine";	3807	warn "can only reload from main coroutine";
2744	return;	3808	return;
2745	}	3809	}
2746		3810
		3811	return if $RELOAD++;
		3812
		3813	my $t1 = AE::time;
		3814
		3815	while ($RELOAD) {
2747	warn "reloading...";	3816	warn "reloading...";
2748		3817
2749	warn "entering sync_job";	3818	warn "entering sync_job";
2750		3819
2751	cf::sync_job {	3820	cf::sync_job {
2752	cf::write_runtime; # external watchdog should not bark	3821	cf::write_runtime_sync; # external watchdog should not bark
2753	cf::emergency_save;	3822	cf::emergency_save;
2754	cf::write_runtime; # external watchdog should not bark	3823	cf::write_runtime_sync; # external watchdog should not bark
2755		3824
2756	warn "syncing database to disk";	3825	warn "syncing database to disk";
2757	BDB::db_env_txn_checkpoint $DB_ENV;	3826	BDB::db_env_txn_checkpoint $DB_ENV;
2758		3827
2759	# if anything goes wrong in here, we should simply crash as we already saved	3828	# if anything goes wrong in here, we should simply crash as we already saved
2760		3829
2761	warn "cancelling all WF_AUTOCANCEL watchers";
2762	for (Event::all_watchers) {
2763	$_->cancel if $_->data & WF_AUTOCANCEL;
2764	}
2765
2766	warn "flushing outstanding aio requests";	3830	warn "flushing outstanding aio requests";
2767	for (;;) {
2768	BDB::flush;
2769	IO::AIO::flush;
2770	Coro::cede;
2771	last unless IO::AIO::nreqs || BDB::nreqs;	3831	while (IO::AIO::nreqs || BDB::nreqs) {
2772	warn "iterate...";	3832	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2773	}
2774
2775	++$RELOAD;
2776
2777	warn "cancelling all extension coros";
2778	$_->cancel for values %EXT_CORO;
2779	%EXT_CORO = ();
2780
2781	warn "removing commands";
2782	%COMMAND = ();
2783
2784	warn "removing ext commands";
2785	%EXTCMD = ();
2786
2787	warn "unloading/nuking all extensions";
2788	for my $pkg (@EXTS) {
2789	warn "... unloading $pkg";
2790
2791	if (my $cb = $pkg->can ("unload")) {
2792	eval {
2793	$cb->($pkg);
2794	1
2795	} or warn "$pkg unloaded, but with errors: $@";
2796	}	3833	}
2797		3834
2798	warn "... nuking $pkg";	3835	warn "cancelling all extension coros";
2799	Symbol::delete_package $pkg;	3836	$_->cancel for values %EXT_CORO;
2800	}	3837	%EXT_CORO = ();
2801		3838
2802	warn "unloading all perl modules loaded from $LIBDIR";	3839	warn "removing commands";
2803	while (my ($k, $v) = each %INC) {	3840	%COMMAND = ();
2804	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2805		3841
		3842	warn "removing ext/exti commands";
		3843	%EXTCMD = ();
		3844	%EXTICMD = ();
		3845
		3846	warn "unloading/nuking all extensions";
		3847	for my $pkg (@EXTS) {
2806	warn "... unloading $k";	3848	warn "... unloading $pkg";
2807	delete $INC{$k};
2808		3849
2809	$k =~ s/\.pm$//;
2810	$k =~ s/\//::/g;
2811
2812	if (my $cb = $k->can ("unload_module")) {	3850	if (my $cb = $pkg->can ("unload")) {
		3851	eval {
2813	$cb->();	3852	$cb->($pkg);
		3853	1
		3854	} or warn "$pkg unloaded, but with errors: $@";
		3855	}
		3856
		3857	warn "... clearing $pkg";
		3858	clear_package $pkg;
2814	}	3859	}
2815		3860
2816	Symbol::delete_package $k;	3861	warn "unloading all perl modules loaded from $LIBDIR";
		3862	while (my ($k, $v) = each %INC) {
		3863	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3864
		3865	warn "... unloading $k";
		3866	delete $INC{$k};
		3867
		3868	$k =~ s/\.pm$//;
		3869	$k =~ s/\//::/g;
		3870
		3871	if (my $cb = $k->can ("unload_module")) {
		3872	$cb->();
		3873	}
		3874
		3875	clear_package $k;
2817	}	3876	}
2818		3877
2819	warn "getting rid of safe::, as good as possible";	3878	warn "getting rid of safe::, as good as possible";
2820	Symbol::delete_package "safe::$_"	3879	clear_package "safe::$_"
2821	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3880	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2822		3881
2823	warn "unloading cf.pm \"a bit\"";	3882	warn "unloading cf.pm \"a bit\"";
2824	delete $INC{"cf.pm"};	3883	delete $INC{"cf.pm"};
2825	delete $INC{"cf/pod.pm"};	3884	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2826		3885
2827	# don't, removes xs symbols, too,	3886	# don't, removes xs symbols, too,
2828	# and global variables created in xs	3887	# and global variables created in xs
2829	#Symbol::delete_package __PACKAGE__;	3888	#clear_package __PACKAGE__;
2830		3889
2831	warn "unload completed, starting to reload now";	3890	warn "unload completed, starting to reload now";
2832		3891
2833	warn "reloading cf.pm";	3892	warn "reloading cf.pm";
2834	require cf;	3893	require cf;
2835	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3894	cf::_connect_to_perl_1;
2836		3895
2837	warn "loading config and database again";	3896	warn "loading config and database again";
2838	cf::cfg_load;	3897	cf::reload_config;
2839		3898
2840	warn "loading extensions";	3899	warn "loading extensions";
2841	cf::load_extensions;	3900	cf::load_extensions;
2842		3901
		3902	if ($REATTACH_ON_RELOAD) {
2843	warn "reattaching attachments to objects/players";	3903	warn "reattaching attachments to objects/players";
2844	_global_reattach; # objects, sockets	3904	_global_reattach; # objects, sockets
2845	warn "reattaching attachments to maps";	3905	warn "reattaching attachments to maps";
2846	reattach $_ for values %MAP;	3906	reattach $_ for values %MAP;
2847	warn "reattaching attachments to players";	3907	warn "reattaching attachments to players";
2848	reattach $_ for values %PLAYER;	3908	reattach $_ for values %PLAYER;
		3909	}
2849		3910
		3911	warn "running post_init jobs";
		3912	(pop @POST_INIT)->(1) while @POST_INIT;
		3913
2850	warn "leaving sync_job";	3914	warn "leaving sync_job";
2851		3915
2852	1	3916	1
2853	} or do {	3917	} or do {
2854	warn $@;	3918	warn $@;
2855	warn "error while reloading, exiting.";	3919	cf::cleanup "error while reloading, exiting.";
2856	exit 1;
2857	};	3920	};
2858		3921
2859	warn "reloaded";	3922	warn "reloaded";
		3923	--$RELOAD;
		3924	}
		3925
		3926	$t1 = AE::time - $t1;
		3927	warn "reload completed in ${t1}s\n";
2860	};	3928	};
2861		3929
2862	our $RELOAD_WATCHER; # used only during reload	3930	our $RELOAD_WATCHER; # used only during reload
2863		3931
2864	sub reload_perl() {	3932	sub reload_perl() {
2865	# doing reload synchronously and two reloads happen back-to-back,	3933	# doing reload synchronously and two reloads happen back-to-back,
2866	# coro crashes during coro_state_free->destroy here.	3934	# coro crashes during coro_state_free->destroy here.
2867		3935
2868	$RELOAD_WATCHER ||= Event->timer (	3936	$RELOAD_WATCHER ||= cf::async {
2869	reentrant => 0,	3937	Coro::AIO::aio_wait cache_extensions;
2870	after => 0,	3938
2871	data => WF_AUTOCANCEL,	3939	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2872	cb => sub {
2873	do_reload_perl;	3940	do_reload_perl;
2874	undef $RELOAD_WATCHER;	3941	undef $RELOAD_WATCHER;
2875	},	3942	};
2876	);	3943	};
2877	}	3944	}
2878		3945
2879	register_command "reload" => sub {	3946	register_command "reload" => sub {
2880	my ($who, $arg) = @_;	3947	my ($who, $arg) = @_;
2881		3948
2882	if ($who->flag (FLAG_WIZ)) {	3949	if ($who->flag (FLAG_WIZ)) {
2883	$who->message ("reloading server.");	3950	$who->message ("reloading server.");
		3951	async {
		3952	$Coro::current->{desc} = "perl_reload";
2884	async { reload_perl };	3953	reload_perl;
		3954	};
2885	}	3955	}
2886	};	3956	};
2887		3957
2888	unshift @INC, $LIBDIR;	3958	unshift @INC, $LIBDIR;
2889		3959
…		…
2891		3961
2892	our @WAIT_FOR_TICK;	3962	our @WAIT_FOR_TICK;
2893	our @WAIT_FOR_TICK_BEGIN;	3963	our @WAIT_FOR_TICK_BEGIN;
2894		3964
2895	sub wait_for_tick {	3965	sub wait_for_tick {
2896	return unless $TICK_WATCHER->is_active;
2897	return if $Coro::current == $Coro::main;	3966	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2898		3967
2899	my $signal = new Coro::Signal;	3968	my $signal = new Coro::Signal;
2900	push @WAIT_FOR_TICK, $signal;	3969	push @WAIT_FOR_TICK, $signal;
2901	$signal->wait;	3970	$signal->wait;
2902	}	3971	}
2903		3972
2904	sub wait_for_tick_begin {	3973	sub wait_for_tick_begin {
2905	return unless $TICK_WATCHER->is_active;
2906	return if $Coro::current == $Coro::main;	3974	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2907		3975
2908	my $signal = new Coro::Signal;	3976	my $signal = new Coro::Signal;
2909	push @WAIT_FOR_TICK_BEGIN, $signal;	3977	push @WAIT_FOR_TICK_BEGIN, $signal;
2910	$signal->wait;	3978	$signal->wait;
2911	}	3979	}
2912		3980
2913	my $min = 1e6;#d#	3981	sub tick {
2914	my $avg = 10;
2915	$TICK_WATCHER = Event->timer (
2916	reentrant => 0,
2917	parked => 1,
2918	prio => 0,
2919	at => $NEXT_TICK || $TICK,
2920	data => WF_AUTOCANCEL,
2921	cb => sub {
2922	if ($Coro::current != $Coro::main) {	3982	if ($Coro::current != $Coro::main) {
2923	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3983	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2924	unless ++$bug_warning > 10;	3984	unless ++$bug_warning > 10;
2925	return;	3985	return;
2926	}	3986	}
2927		3987
2928	$NOW = $tick_start = Event::time;
2929
2930	cf::server_tick; # one server iteration	3988	cf::server_tick; # one server iteration
2931		3989
2932	0 && sync_job {#d#	3990	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2933	for(1..10) {
2934	my $t = Event::time;
2935	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2936	or die;
2937		3991
2938	$map->width (50);	3992	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2939	$map->height (50);	3993	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2940	$map->alloc;	3994	Coro::async_pool {
2941	$map->_load_objects ("/tmp/x.map", 1);	3995	$Coro::current->{desc} = "runtime saver";
2942	my $t = Event::time - $t;	3996	write_runtime_sync
2943		3997	or warn "ERROR: unable to write runtime file: $!";
2944	#next unless $t < 0.0013;#d#
2945	if ($t < $min) {
2946	$min = $t;
2947	}
2948	$avg = $avg * 0.99 + $t * 0.01;
2949	}
2950	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2951	exit 0;
2952	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2953	};	3998	};
		3999	}
2954		4000
2955	$RUNTIME += $TICK;
2956	$NEXT_TICK += $TICK;
2957
2958	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2959	$NEXT_RUNTIME_WRITE = $NOW + 10;
2960	Coro::async_pool {
2961	write_runtime
2962	or warn "ERROR: unable to write runtime file: $!";
2963	};
2964	}
2965
2966	# my $AFTER = Event::time;
2967	# warn $AFTER - $NOW;#d#
2968
2969	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4001	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2970	$sig->send;	4002	$sig->send;
2971	}	4003	}
2972	while (my $sig = shift @WAIT_FOR_TICK) {	4004	while (my $sig = shift @WAIT_FOR_TICK) {
2973	$sig->send;	4005	$sig->send;
2974	}	4006	}
2975		4007
2976	$NOW = Event::time;	4008	$LOAD = ($NOW - $TICK_START) / $TICK;
2977
2978	# if we are delayed by four ticks or more, skip them all
2979	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2980
2981	$TICK_WATCHER->at ($NEXT_TICK);
2982	$TICK_WATCHER->start;
2983
2984	$LOAD = ($NOW - $tick_start) / $TICK;
2985	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4009	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2986		4010
2987	_post_tick;	4011	if (0) {
2988		4012	if ($NEXT_TICK) {
2989		4013	my $jitter = $TICK_START - $NEXT_TICK;
		4014	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4015	warn "jitter $JITTER\n";#d#
		4016	}
2990	},	4017	}
2991	);	4018	}
2992		4019
2993	{	4020	{
2994	BDB::max_poll_time $TICK * 0.1;	4021	# configure BDB
2995	$BDB_POLL_WATCHER = Event->io (	4022
2996	reentrant => 0,
2997	fd => BDB::poll_fileno,
2998	poll => 'r',
2999	prio => 0,
3000	data => WF_AUTOCANCEL,
3001	cb => \&BDB::poll_cb,
3002	);
3003	BDB::min_parallel 8;	4023	BDB::min_parallel 16;
3004		4024	BDB::max_poll_reqs $TICK * 0.1;
3005	BDB::set_sync_prepare {	4025	$AnyEvent::BDB::WATCHER->priority (1);
3006	my $status;
3007	my $current = $Coro::current;
3008	(
3009	sub {
3010	$status = $!;
3011	$current->ready; undef $current;
3012	},
3013	sub {
3014	Coro::schedule while defined $current;
3015	$! = $status;
3016	},
3017	)
3018	};
3019		4026
3020	unless ($DB_ENV) {	4027	unless ($DB_ENV) {
3021	$DB_ENV = BDB::db_env_create;	4028	$DB_ENV = BDB::db_env_create;
		4029	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4030	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4031	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4032	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4033	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3022		4034
3023	cf::sync_job {	4035	cf::sync_job {
3024	eval {	4036	eval {
3025	BDB::db_env_open	4037	BDB::db_env_open
3026	$DB_ENV,	4038	$DB_ENV,
…		…
3028	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4040	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3029	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4041	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3030	0666;	4042	0666;
3031		4043
3032	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4044	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3033
3034	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3035	$DB_ENV->set_lk_detect;
3036	};	4045	};
3037		4046
3038	cf::cleanup "db_env_open(db): $@" if $@;	4047	cf::cleanup "db_env_open(db): $@" if $@;
3039	};	4048	};
3040	}	4049	}
		4050
		4051	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4052	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4053	};
		4054	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4055	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4056	};
		4057	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4058	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4059	};
3041	}	4060	}
3042		4061
3043	{	4062	{
		4063	# configure IO::AIO
		4064
3044	IO::AIO::min_parallel 8;	4065	IO::AIO::min_parallel 8;
3045
3046	undef $Coro::AIO::WATCHER;
3047	IO::AIO::max_poll_time $TICK * 0.1;	4066	IO::AIO::max_poll_time $TICK * 0.1;
3048	$AIO_POLL_WATCHER = Event->io (	4067	undef $AnyEvent::AIO::WATCHER;
3049	reentrant => 0,
3050	data => WF_AUTOCANCEL,
3051	fd => IO::AIO::poll_fileno,
3052	poll => 'r',
3053	prio => 6,
3054	cb => \&IO::AIO::poll_cb,
3055	);
3056	}	4068	}
3057		4069
3058	my $_log_backtrace;	4070	my $_log_backtrace;
3059		4071
3060	sub _log_backtrace {	4072	sub _log_backtrace {
…		…
3063	$msg =~ s/\n//;	4075	$msg =~ s/\n//;
3064		4076
3065	# limit the # of concurrent backtraces	4077	# limit the # of concurrent backtraces
3066	if ($_log_backtrace < 2) {	4078	if ($_log_backtrace < 2) {
3067	++$_log_backtrace;	4079	++$_log_backtrace;
		4080	my $perl_bt = Carp::longmess $msg;
3068	async {	4081	async {
		4082	$Coro::current->{desc} = "abt $msg";
		4083
3069	my @bt = fork_call {	4084	my @bt = fork_call {
3070	@addr = map { sprintf "%x", $_ } @addr;	4085	@addr = map { sprintf "%x", $_ } @addr;
3071	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4086	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3072	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4087	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3073	or die "addr2line: $!";	4088	or die "addr2line: $!";
…		…
3081	}	4096	}
3082		4097
3083	@funcs	4098	@funcs
3084	};	4099	};
3085		4100
3086	LOG llevInfo, "[ABT] $msg\n";	4101	LOG llevInfo, "[ABT] $perl_bt\n";
		4102	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3087	LOG llevInfo, "[ABT] $_\n" for @bt;	4103	LOG llevInfo, "[ABT] $_\n" for @bt;
3088	--$_log_backtrace;	4104	--$_log_backtrace;
3089	};	4105	};
3090	} else {	4106	} else {
3091	LOG llevInfo, "[ABT] $msg\n";	4107	LOG llevInfo, "[ABT] $msg\n";
3092	LOG llevInfo, "[ABT] [suppressed]\n";	4108	LOG llevInfo, "[ABT] [suppressed]\n";
3093	}	4109	}
3094	}	4110	}
3095		4111
3096	# load additional modules	4112	# load additional modules
3097	use cf::pod;	4113	require "cf/$_.pm" for @EXTRA_MODULES;
		4114	cf::_connect_to_perl_2;
3098		4115
3099	END { cf::emergency_save }	4116	END { cf::emergency_save }
3100		4117
3101	1	4118	1
3102		4119

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