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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.199 by root, Mon Jan 29 14:46:01 2007 UTC vs.
Revision 1.418 by root, Fri Apr 11 21:09:53 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
3	use utf8;	24	use utf8;
4	use strict;	25	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV 3.2;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
12		35
13	use Coro 3.5 ();	36	use Coro 4.50 ();
		37	use Coro::State;
		38	use Coro::Handle;
14	use Coro::Event;	39	use Coro::EV;
15	use Coro::Timer;	40	use Coro::Timer;
16	use Coro::Signal;	41	use Coro::Signal;
17	use Coro::Semaphore;	42	use Coro::Semaphore;
18	use Coro::AIO;	43	use Coro::AIO;
		44	use Coro::BDB;
		45	use Coro::Storable;
		46	use Coro::Util ();
19		47
		48	use JSON::XS 2.01 ();
		49	use BDB ();
20	use Data::Dumper;	50	use Data::Dumper;
21	use Digest::MD5;	51	use Digest::MD5;
22	use Fcntl;	52	use Fcntl;
		53	use YAML ();
23	use IO::AIO 2.32 ();	54	use IO::AIO 2.51 ();
24	use YAML::Syck ();
25	use Time::HiRes;	55	use Time::HiRes;
		56	use Compress::LZF;
		57	use Digest::MD5 ();
26		58
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	59	# configure various modules to our taste
		60	#
		61	$Storable::canonical = 1; # reduce rsync transfers
		62	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		63	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		64
		65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
28		66
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		68
36	our %COMMAND = ();	69	our %COMMAND = ();
37	our %COMMAND_TIME = ();	70	our %COMMAND_TIME = ();
38		71
39	our @EXTS = (); # list of extension package names	72	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	73	our %EXTCMD = ();
		74	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	75	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	76	our %EXT_MAP = (); # pluggable maps
43		77
		78	our $RELOAD; # number of reloads so far
44	our @EVENT;	79	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		80
47	our $TICK = MAX_TIME * 1e-6;	81	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	82	our $DATADIR = datadir;
		83	our $LIBDIR = "$DATADIR/ext";
		84	our $PODDIR = "$DATADIR/pod";
		85	our $MAPDIR = "$DATADIR/" . mapdir;
		86	our $LOCALDIR = localdir;
		87	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		90	our $RANDOMDIR = "$LOCALDIR/random";
		91	our $BDBDIR = "$LOCALDIR/db";
		92	our %RESOURCE;
		93
		94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
49	our $AIO_POLL_WATCHER;	95	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	97	our $NEXT_TICK;
52	our $NOW;	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
		99
		100	our $BDB_POLL_WATCHER;
		101	our $BDB_DEADLOCK_WATCHER;
		102	our $BDB_CHECKPOINT_WATCHER;
		103	our $BDB_TRICKLE_WATCHER;
		104	our $DB_ENV;
53		105
54	our %CFG;	106	our %CFG;
55		107
56	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
58		111
59	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	114	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		115
67	# used to convert map paths into valid unix filenames by replacing / by ∕	116	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		118
		119	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		120	our $LOADAVG; # same thing, but with alpha-smoothing
		121	our $JITTER; # average jitter
		122	our $TICK_START; # for load detecting purposes
		123
70	binmode STDOUT;	124	binmode STDOUT;
71	binmode STDERR;	125	binmode STDERR;
72		126
73	# read virtual server time, if available	127	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	128	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	129	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	130	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	131	$RUNTIME = <$fh> + 0.;
78	}	132	}
79		133
80	mkdir cf::localdir;	134	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		136
86	our $EMERGENCY_POSITION;	137	our $EMERGENCY_POSITION;
87		138
88	sub cf::map::normalise;	139	sub cf::map::normalise;
89		140
…		…
100	=item $cf::RUNTIME	151	=item $cf::RUNTIME
101		152
102	The time this server has run, starts at 0 and is increased by $cf::TICK on	153	The time this server has run, starts at 0 and is increased by $cf::TICK on
103	every server tick.	154	every server tick.
104		155
105	=item $cf::LIBDIR	156	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		157	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		158	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
106		159
107	The perl library directory, where extensions and cf-specific modules can	160	Various directories - "/etc", read-only install directory, perl-library
108	be found. It will be added to C<@INC> automatically.	161	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		162	unique-items directory, player file directory, random maps directory and
		163	database environment.
109		164
110	=item $cf::NOW	165	=item $cf::NOW
111		166
112	The time of the last (current) server tick.	167	The time of the last (current) server tick.
113		168
114	=item $cf::TICK	169	=item $cf::TICK
115		170
116	The interval between server ticks, in seconds.	171	The interval between server ticks, in seconds.
117		172
		173	=item $cf::LOADAVG
		174
		175	The current CPU load on the server (alpha-smoothed), as a value between 0
		176	(none) and 1 (overloaded), indicating how much time is spent on processing
		177	objects per tick. Healthy values are < 0.5.
		178
		179	=item $cf::LOAD
		180
		181	The raw value load value from the last tick.
		182
118	=item %cf::CFG	183	=item %cf::CFG
119		184
120	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
121	from wherever your confdir points to.	186	from wherever your confdir points to.
122		187
123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
124		189
125	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	190	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
126	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	191	returns directly I<after> the tick processing (and consequently, can only wake one process
127	processing has been done. Call C<< ->wait >> on them to maximise the	192	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
128	window of cpu time available, or simply to synchronise to the server tick.	193
		194	=item @cf::INVOKE_RESULTS
		195
		196	This array contains the results of the last C<invoke ()> call. When
		197	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		198	that call.
129		199
130	=back	200	=back
131		201
132	=cut	202	=cut
133		203
134	BEGIN {	204	BEGIN {
135	*CORE::GLOBAL::warn = sub {	205	*CORE::GLOBAL::warn = sub {
136	my $msg = join "", @_;	206	my $msg = join "", @_;
137	utf8::encode $msg;
138		207
139	$msg .= "\n"	208	$msg .= "\n"
140	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
141		210
		211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		212
142	LOG llevError, $msg;	213	LOG llevError, $msg;
143	};	214	};
144	}	215	}
		216
		217	$Coro::State::DIEHOOK = sub {
		218	return unless $^S eq 0; # "eq", not "=="
		219
		220	if ($Coro::current == $Coro::main) {#d#
		221	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		222	return;#d#
		223	}#d#
		224
		225	# kill coroutine otherwise
		226	warn Carp::longmess $_[0];
		227	Coro::terminate
		228	};
		229
		230	$SIG{__DIE__} = sub { }; #d#?
145		231
146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	236	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		237	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
151	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	238	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
152		239
153	# we bless all objects into (empty) derived classes to force a method lookup	240	# we bless all objects into (empty) derived classes to force a method lookup
154	# within the Safe compartment.	241	# within the Safe compartment.
155	for my $pkg (qw(	242	for my $pkg (qw(
156	cf::global cf::attachable	243	cf::global cf::attachable
…		…
161	)) {	248	)) {
162	no strict 'refs';	249	no strict 'refs';
163	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
164	}	251	}
165		252
166	$Event::DIED = sub {	253	$EV::DIED = sub {
167	warn "error in event callback: @_";	254	warn "error in event callback: @_";
168	};	255	};
		256
		257	#############################################################################
169		258
170	=head2 UTILITY FUNCTIONS	259	=head2 UTILITY FUNCTIONS
171		260
172	=over 4	261	=over 4
173		262
…		…
192	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	281	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
193	$d	282	$d
194	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
195	}	284	}
196		285
197	use JSON::Syck (); # TODO# replace by JSON::PC once working
198
199	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
200		287
201	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
202		289
203	=cut
204
205	sub from_json($) {
206	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207	JSON::Syck::Load $_[0]
208	}
209
210	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
211		291
212	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
213		293
214	=cut	294	=cut
215		295
216	sub to_json($) {	296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	297
218	JSON::Syck::Dump $_[0]	298	sub encode_json($) { $json_coder->encode ($_[0]) }
219	}	299	sub decode_json($) { $json_coder->decode ($_[0]) }
220		300
221	=item cf::lock_wait $string	301	=item cf::lock_wait $string
222		302
223	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
224		304
…		…
227	Wait until the given lock is available and then acquires it and returns	307	Wait until the given lock is available and then acquires it and returns
228	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	308	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
229	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
230	returned.	310	returned.
231		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
232	Lock names should begin with a unique identifier (for example, cf::map::find	315	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
234		317
		318	=item $locked = cf::lock_active $string
		319
		320	Return true if the lock is currently active, i.e. somebody has locked it.
		321
235	=cut	322	=cut
236		323
237	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
238		326
239	sub lock_wait($) {	327	sub lock_wait($) {
240	my ($key) = @_;	328	my ($key) = @_;
		329
		330	if ($LOCKER{$key} == $Coro::current) {#d#
		331	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		332	return;#d#
		333	}#d#
241		334
242	# wait for lock, if any	335	# wait for lock, if any
243	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;	338	Coro::schedule;
…		…
251		344
252	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
253	lock_wait $key;	346	lock_wait $key;
254		347
255	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
256		350
257	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
258	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
260	}	355	}
261	}	356	}
262		357
		358	sub lock_active($) {
		359	my ($key) = @_;
		360
		361	! ! $LOCK{$key}
		362	}
		363
263	sub freeze_mainloop {	364	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
265		366
266	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
267	$TICK_WATCHER->start;	368	}
268	$WRITE_RUNTIME_WATCHER->start;	369
		370	=item cf::periodic $interval, $cb
		371
		372	Like EV::periodic, but randomly selects a starting point so that the actions
		373	get spread over timer.
		374
		375	=cut
		376
		377	sub periodic($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
		383	}
		384
		385	=item cf::get_slot $time[, $priority[, $name]]
		386
		387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		388	This call blocks and returns only when you have at least C<$time> seconds
		389	of cpu time till the next tick. The slot is only valid till the next cede.
		390
		391	The optional C<$name> can be used to identify the job to run. It might be
		392	used for statistical purposes and should identify the same time-class.
		393
		394	Useful for short background jobs.
		395
		396	=cut
		397
		398	our @SLOT_QUEUE;
		399	our $SLOT_QUEUE;
		400
		401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
		405	my $signal = new Coro::Signal;
		406
		407	while () {
		408	next_job:
		409	my $avail = cf::till_tick;
		410	if ($avail > 0.01) {
		411	for (0 .. $#SLOT_QUEUE) {
		412	if ($SLOT_QUEUE[$_][0] < $avail) {
		413	my $job = splice @SLOT_QUEUE, $_, 1, ();
		414	$job->[2]->send;
		415	Coro::cede;
		416	goto next_job;
		417	}
		418	}
		419	}
		420
		421	if (@SLOT_QUEUE) {
		422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		423	push @cf::WAIT_FOR_TICK, $signal;
		424	$signal->wait;
		425	} else {
		426	Coro::schedule;
		427	}
269	};	428	}
270	$WRITE_RUNTIME_WATCHER->stop;	429	};
271	$TICK_WATCHER->stop;	430
272	$guard	431	sub get_slot($;$$) {
		432	my ($time, $pri, $name) = @_;
		433
		434	$time = $TICK * .6 if $time > $TICK * .6;
		435	my $sig = new Coro::Signal;
		436
		437	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		438	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		439	$SLOT_QUEUE->ready;
		440	$sig->wait;
273	}	441	}
274		442
275	=item cf::async { BLOCK }	443	=item cf::async { BLOCK }
276		444
277	Currently the same as Coro::async_pool, meaning you cannot use	445	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		450
283	BEGIN { *async = \&Coro::async_pool }	451	BEGIN { *async = \&Coro::async_pool }
284		452
285	=item cf::sync_job { BLOCK }	453	=item cf::sync_job { BLOCK }
286		454
287	The design of crossfire+ requires that the main coro ($Coro::main) is	455	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	456	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	457	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		458	acceptable.
290		459
291	If it must be done, put the blocking parts into C<sync_job>. This will run	460	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	461	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	462	server will be frozen during this time, so the block should either finish
294	fast or be very important.	463	fast or be very important.
…		…
297		466
298	sub sync_job(&) {	467	sub sync_job(&) {
299	my ($job) = @_;	468	my ($job) = @_;
300		469
301	if ($Coro::current == $Coro::main) {	470	if ($Coro::current == $Coro::main) {
		471	my $time = EV::time;
		472
302	# this is the main coro, too bad, we have to block	473	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	474	# till the operation succeeds, freezing the server :/
304		475
305	# TODO: use suspend/resume instead	476	LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	477
307	my $freeze_guard = freeze_mainloop;	478	my $freeze_guard = freeze_mainloop;
308		479
309	my $busy = 1;	480	my $busy = 1;
310	my @res;	481	my @res;
311		482
312	(async {	483	(async {
		484	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	485	@res = eval { $job->() };
314	warn $@ if $@;	486	warn $@ if $@;
315	undef $busy;	487	undef $busy;
316	})->prio (Coro::PRIO_MAX);	488	})->prio (Coro::PRIO_MAX);
317		489
318	while ($busy) {	490	while ($busy) {
319	Coro::cede or Event::one_event;	491	if (Coro::nready) {
		492	Coro::cede_notself;
		493	} else {
		494	EV::loop EV::LOOP_ONESHOT;
320	}	495	}
		496	}
		497
		498	my $time = EV::time - $time;
		499
		500	$TICK_START += $time; # do not account sync jobs to server load
321		501
322	wantarray ? @res : $res[0]	502	wantarray ? @res : $res[0]
323	} else {	503	} else {
324	# we are in another coroutine, how wonderful, everything just works	504	# we are in another coroutine, how wonderful, everything just works
325		505
…		…
345	$EXT_CORO{$coro+0} = $coro;	525	$EXT_CORO{$coro+0} = $coro;
346		526
347	$coro	527	$coro
348	}	528	}
349		529
350	sub write_runtime {	530	=item fork_call { }, $args
351	my $runtime = cf::localdir . "/runtime";
352		531
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	532	Executes the given code block with the given arguments in a seperate
354	or return;	533	process, returning the results. Everything must be serialisable with
		534	Coro::Storable. May, of course, block. Note that the executed sub may
		535	never block itself or use any form of event handling.
355		536
356	my $value = $cf::RUNTIME + 90 + 10;	537	=cut
357	# 10 is the runtime save interval, for a monotonic clock
358	# 60 allows for the watchdog to kill the server.
359		538
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	539	sub fork_call(&@) {
361	and return;	540	my ($cb, @args) = @_;
362		541
363	aio_fsync $fh	542	# we seemingly have to make a local copy of the whole thing,
364	and return;	543	# otherwise perl prematurely frees the stuff :/
		544	# TODO: investigate and fix (likely this will be rather laborious)
365		545
366	close $fh	546	my @res = Coro::Util::fork_eval {
367	or return;	547	reset_signals;
		548	&$cb
		549	}, @args;
368		550
369	aio_rename "$runtime~", $runtime	551	wantarray ? @res : $res[-1]
370	and return;	552	}
371		553
		554	=item $coin = coin_from_name $name
		555
		556	=cut
		557
		558	our %coin_alias = (
		559	"silver" => "silvercoin",
		560	"silvercoin" => "silvercoin",
		561	"silvercoins" => "silvercoin",
		562	"gold" => "goldcoin",
		563	"goldcoin" => "goldcoin",
		564	"goldcoins" => "goldcoin",
		565	"platinum" => "platinacoin",
		566	"platinumcoin" => "platinacoin",
		567	"platinumcoins" => "platinacoin",
		568	"platina" => "platinacoin",
		569	"platinacoin" => "platinacoin",
		570	"platinacoins" => "platinacoin",
		571	"royalty" => "royalty",
		572	"royalties" => "royalty",
		573	);
		574
		575	sub coin_from_name($) {
		576	$coin_alias{$_[0]}
		577	? cf::arch::find $coin_alias{$_[0]}
		578	: undef
		579	}
		580
		581	=item $value = cf::db_get $family => $key
		582
		583	Returns a single value from the environment database.
		584
		585	=item cf::db_put $family => $key => $value
		586
		587	Stores the given C<$value> in the family. It can currently store binary
		588	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		589
		590	=item $db = cf::db_table "name"
		591
		592	Create and/or open a new database table. The string must not be "db" and must be unique
		593	within each server.
		594
		595	=cut
		596
		597	sub db_table($) {
		598	my ($name) = @_;
		599	my $db = BDB::db_create $DB_ENV;
		600
		601	eval {
		602	$db->set_flags (BDB::CHKSUM);
		603
		604	utf8::encode $name;
		605	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		606	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		607	cf::cleanup "db_open(db): $!" if $!;
		608	};
		609	cf::cleanup "db_open(db): $@" if $@;
		610
		611	$db
		612	}
		613
		614	our $DB;
		615
		616	sub db_init {
		617	cf::sync_job {
		618	$DB ||= db_table "db";
		619	};
		620	}
		621
		622	sub db_get($$) {
		623	my $key = "$_[0]/$_[1]";
		624
		625	cf::sync_job {
		626	BDB::db_get $DB, undef, $key, my $data;
		627
		628	$! ? ()
		629	: $data
372	1	630	}
		631	}
		632
		633	sub db_put($$$) {
		634	BDB::dbreq_pri 4;
		635	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		636	}
		637
		638	=item cf::cache $id => [$paths...], $processversion => $process
		639
		640	Generic caching function that returns the value of the resource $id,
		641	caching and regenerating as required.
		642
		643	This function can block.
		644
		645	=cut
		646
		647	sub cache {
		648	my ($id, $src, $processversion, $process) = @_;
		649
		650	my $meta =
		651	join "\x00",
		652	$processversion,
		653	map {
		654	aio_stat $_
		655	and Carp::croak "$_: $!";
		656
		657	($_, (stat _)[7,9])
		658	} @$src;
		659
		660	my $dbmeta = db_get cache => "$id/meta";
		661	if ($dbmeta ne $meta) {
		662	# changed, we may need to process
		663
		664	my @data;
		665	my $md5;
		666
		667	for (0 .. $#$src) {
		668	0 <= aio_load $src->[$_], $data[$_]
		669	or Carp::croak "$src->[$_]: $!";
		670	}
		671
		672	# if processing is expensive, check
		673	# checksum first
		674	if (1) {
		675	$md5 =
		676	join "\x00",
		677	$processversion,
		678	map {
		679	cf::cede_to_tick;
		680	($src->[$_], Digest::MD5::md5_hex $data[$_])
		681	} 0.. $#$src;
		682
		683
		684	my $dbmd5 = db_get cache => "$id/md5";
		685	if ($dbmd5 eq $md5) {
		686	db_put cache => "$id/meta", $meta;
		687
		688	return db_get cache => "$id/data";
		689	}
		690	}
		691
		692	my $t1 = Time::HiRes::time;
		693	my $data = $process->(\@data);
		694	my $t2 = Time::HiRes::time;
		695
		696	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		697
		698	db_put cache => "$id/data", $data;
		699	db_put cache => "$id/md5" , $md5;
		700	db_put cache => "$id/meta", $meta;
		701
		702	return $data;
		703	}
		704
		705	db_get cache => "$id/data"
		706	}
		707
		708	=item cf::datalog type => key => value, ...
		709
		710	Log a datalog packet of the given type with the given key-value pairs.
		711
		712	=cut
		713
		714	sub datalog($@) {
		715	my ($type, %kv) = @_;
		716	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
373	}	717	}
374		718
375	=back	719	=back
376		720
377	=cut	721	=cut
…		…
384	attach callbacks/event handlers (a collection of which is called an "attachment")	728	attach callbacks/event handlers (a collection of which is called an "attachment")
385	to it. All such attachable objects support the following methods.	729	to it. All such attachable objects support the following methods.
386		730
387	In the following description, CLASS can be any of C<global>, C<object>	731	In the following description, CLASS can be any of C<global>, C<object>
388	C<player>, C<client> or C<map> (i.e. the attachable objects in	732	C<player>, C<client> or C<map> (i.e. the attachable objects in
389	crossfire+).	733	Deliantra).
390		734
391	=over 4	735	=over 4
392		736
393	=item $attachable->attach ($attachment, key => $value...)	737	=item $attachable->attach ($attachment, key => $value...)
394		738
…		…
557	$registry = $CB_TYPE[$object_type] ||= [];	901	$registry = $CB_TYPE[$object_type] ||= [];
558		902
559	} elsif ($type eq "subtype") {	903	} elsif ($type eq "subtype") {
560	defined $object_type or Carp::croak "subtype specified without type";	904	defined $object_type or Carp::croak "subtype specified without type";
561	my $object_subtype = shift @arg;	905	my $object_subtype = shift @arg;
562	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	906	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563		907
564	} elsif ($type eq "package") {	908	} elsif ($type eq "package") {
565	my $pkg = shift @arg;	909	my $pkg = shift @arg;
566		910
567	while (my ($name, $id) = each %cb_id) {	911	while (my ($name, $id) = each %cb_id) {
…		…
596	_attach $registry, $klass, @attach;	940	_attach $registry, $klass, @attach;
597	}	941	}
598		942
599	$obj->{$name} = \%arg;	943	$obj->{$name} = \%arg;
600	} else {	944	} else {
601	warn "object uses attachment '$name' that is not available, postponing.\n";	945	warn "object uses attachment '$name' which is not available, postponing.\n";
602	}	946	}
603		947
604	$obj->{_attachment}{$name} = undef;	948	$obj->{_attachment}{$name} = undef;
605	}	949	}
606		950
…		…
608	if (ref $_[0]) {	952	if (ref $_[0]) {
609	_object_attach @_;	953	_object_attach @_;
610	} else {	954	} else {
611	_attach shift->_attach_registry, @_;	955	_attach shift->_attach_registry, @_;
612	}	956	}
		957	_recalc_want;
613	};	958	};
614		959
615	# all those should be optimised	960	# all those should be optimised
616	sub cf::attachable::detach {	961	sub cf::attachable::detach {
617	my ($obj, $name) = @_;	962	my ($obj, $name) = @_;
…		…
620	delete $obj->{_attachment}{$name};	965	delete $obj->{_attachment}{$name};
621	reattach ($obj);	966	reattach ($obj);
622	} else {	967	} else {
623	Carp::croak "cannot, currently, detach class attachments";	968	Carp::croak "cannot, currently, detach class attachments";
624	}	969	}
		970	_recalc_want;
625	};	971	};
626		972
627	sub cf::attachable::attached {	973	sub cf::attachable::attached {
628	my ($obj, $name) = @_;	974	my ($obj, $name) = @_;
629		975
…		…
644	";	990	";
645	die if $@;	991	die if $@;
646	}	992	}
647		993
648	our $override;	994	our $override;
649	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	995	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
650		996
651	sub override {	997	sub override {
652	$override = 1;	998	$override = 1;
653	@invoke_results = ();	999	@INVOKE_RESULTS = (@_);
654	}	1000	}
655		1001
656	sub do_invoke {	1002	sub do_invoke {
657	my $event = shift;	1003	my $event = shift;
658	my $callbacks = shift;	1004	my $callbacks = shift;
659		1005
660	@invoke_results = ();	1006	@INVOKE_RESULTS = ();
661		1007
662	local $override;	1008	local $override;
663		1009
664	for (@$callbacks) {	1010	for (@$callbacks) {
665	eval { &{$_->[1]} };	1011	eval { &{$_->[1]} };
…		…
674	}	1020	}
675		1021
676	0	1022	0
677	}	1023	}
678		1024
679	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1025	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
680		1026
681	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
682		1028
683	Generate an object-specific event with the given arguments.	1029	Generate an object-specific event with the given arguments.
684		1030
685	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1031	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
686	removed in future versions), and there is no public API to access override	1032	removed in future versions), and there is no public API to access override
687	results (if you must, access C<@cf::invoke_results> directly).	1033	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
688		1034
689	=back	1035	=back
690		1036
691	=cut	1037	=cut
692		1038
693	#############################################################################	1039	#############################################################################
694	# object support	1040	# object support
		1041
		1042	sub _object_equal($$);
		1043	sub _object_equal($$) {
		1044	my ($a, $b) = @_;
		1045
		1046	return 0 unless (ref $a) eq (ref $b);
		1047
		1048	if ("HASH" eq ref $a) {
		1049	my @ka = keys %$a;
		1050	my @kb = keys %$b;
		1051
		1052	return 0 if @ka != @kb;
		1053
		1054	for (0 .. $#ka) {
		1055	return 0 unless $ka[$_] eq $kb[$_];
		1056	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1057	}
		1058
		1059	} elsif ("ARRAY" eq ref $a) {
		1060
		1061	return 0 if @$a != @$b;
		1062
		1063	for (0 .. $#$a) {
		1064	return 0 unless _object_equal $a->[$_], $b->[$_];
		1065	}
		1066
		1067	} elsif ($a ne $b) {
		1068	return 0;
		1069	}
		1070
		1071	1
		1072	}
		1073
		1074	our $SLOW_MERGES;#d#
		1075	sub _can_merge {
		1076	my ($ob1, $ob2) = @_;
		1077
		1078	++$SLOW_MERGES;#d#
		1079
		1080	# we do the slow way here
		1081	return _object_equal $ob1, $ob2
		1082	}
695		1083
696	sub reattach {	1084	sub reattach {
697	# basically do the same as instantiate, without calling instantiate	1085	# basically do the same as instantiate, without calling instantiate
698	my ($obj) = @_;	1086	my ($obj) = @_;
699		1087
…		…
720	cf::attachable->attach (	1108	cf::attachable->attach (
721	prio => -1000000,	1109	prio => -1000000,
722	on_instantiate => sub {	1110	on_instantiate => sub {
723	my ($obj, $data) = @_;	1111	my ($obj, $data) = @_;
724		1112
725	$data = from_json $data;	1113	$data = decode_json $data;
726		1114
727	for (@$data) {	1115	for (@$data) {
728	my ($name, $args) = @$_;	1116	my ($name, $args) = @$_;
729		1117
730	$obj->attach ($name, %{$args || {} });	1118	$obj->attach ($name, %{$args || {} });
…		…
746	sub object_freezer_save {	1134	sub object_freezer_save {
747	my ($filename, $rdata, $objs) = @_;	1135	my ($filename, $rdata, $objs) = @_;
748		1136
749	sync_job {	1137	sync_job {
750	if (length $$rdata) {	1138	if (length $$rdata) {
		1139	utf8::decode (my $decname = $filename);
751	warn sprintf "saving %s (%d,%d)\n",	1140	warn sprintf "saving %s (%d,%d)\n",
752	$filename, length $$rdata, scalar @$objs;	1141	$decname, length $$rdata, scalar @$objs;
753		1142
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1143	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	1144	chmod SAVE_MODE, $fh;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1145	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
757	aio_fsync $fh;	1146	aio_fsync $fh if $cf::USE_FSYNC;
758	close $fh;	1147	close $fh;
759		1148
760	if (@$objs) {	1149	if (@$objs) {
761	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1150	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
762	chmod SAVE_MODE, $fh;	1151	chmod SAVE_MODE, $fh;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	1152	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	1153	aio_write $fh, 0, (length $data), $data, 0;
765	aio_fsync $fh;	1154	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	1155	close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	1156	aio_rename "$filename.pst~", "$filename.pst";
768	}	1157	}
769	} else {	1158	} else {
770	aio_unlink "$filename.pst";	1159	aio_unlink "$filename.pst";
…		…
776	}	1165	}
777	} else {	1166	} else {
778	aio_unlink $filename;	1167	aio_unlink $filename;
779	aio_unlink "$filename.pst";	1168	aio_unlink "$filename.pst";
780	}	1169	}
781	}	1170	};
782	}	1171	}
783		1172
784	sub object_freezer_as_string {	1173	sub object_freezer_as_string {
785	my ($rdata, $objs) = @_;	1174	my ($rdata, $objs) = @_;
786		1175
…		…
798	or return;	1187	or return;
799		1188
800	unless (aio_stat "$filename.pst") {	1189	unless (aio_stat "$filename.pst") {
801	(aio_load "$filename.pst", $av) >= 0	1190	(aio_load "$filename.pst", $av) >= 0
802	or return;	1191	or return;
		1192
803	$av = eval { (Storable::thaw $av)->{objs} };	1193	my $st = eval { Coro::Storable::thaw $av };
		1194	$av = $st->{objs};
804	}	1195	}
805		1196
		1197	utf8::decode (my $decname = $filename);
806	warn sprintf "loading %s (%d)\n",	1198	warn sprintf "loading %s (%d,%d)\n",
807	$filename, length $data, scalar @{$av || []};#d#	1199	$decname, length $data, scalar @{$av || []};
		1200
808	return ($data, $av);	1201	($data, $av)
809	}	1202	}
		1203
		1204	=head2 COMMAND CALLBACKS
		1205
		1206	=over 4
		1207
		1208	=cut
810		1209
811	#############################################################################	1210	#############################################################################
812	# command handling &c	1211	# command handling &c
813		1212
814	=item cf::register_command $name => \&callback($ob,$args);	1213	=item cf::register_command $name => \&callback($ob,$args);
…		…
827	push @{ $COMMAND{$name} }, [$caller, $cb];	1226	push @{ $COMMAND{$name} }, [$caller, $cb];
828	}	1227	}
829		1228
830	=item cf::register_extcmd $name => \&callback($pl,$packet);	1229	=item cf::register_extcmd $name => \&callback($pl,$packet);
831		1230
832	Register a callbackf ro execution when the client sends an extcmd packet.	1231	Register a callback for execution when the client sends an (synchronous)
		1232	extcmd packet. Ext commands will be processed in the order they are
		1233	received by the server, like other user commands. The first argument is
		1234	the logged-in player. Ext commands can only be processed after a player
		1235	has logged in successfully.
833		1236
834	If the callback returns something, it is sent back as if reply was being	1237	If the callback returns something, it is sent back as if reply was being
835	called.	1238	called.
836		1239
		1240	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1241
		1242	Register a callback for execution when the client sends an (asynchronous)
		1243	exticmd packet. Exti commands are processed by the server as soon as they
		1244	are received, i.e. out of order w.r.t. other commands. The first argument
		1245	is a client socket. Exti commands can be received anytime, even before
		1246	log-in.
		1247
		1248	If the callback returns something, it is sent back as if reply was being
		1249	called.
		1250
837	=cut	1251	=cut
838		1252
839	sub register_extcmd {	1253	sub register_extcmd {
840	my ($name, $cb) = @_;	1254	my ($name, $cb) = @_;
841		1255
842	$EXTCMD{$name} = $cb;	1256	$EXTCMD{$name} = $cb;
		1257	}
		1258
		1259	sub register_exticmd {
		1260	my ($name, $cb) = @_;
		1261
		1262	$EXTICMD{$name} = $cb;
843	}	1263	}
844		1264
845	cf::player->attach (	1265	cf::player->attach (
846	on_command => sub {	1266	on_command => sub {
847	my ($pl, $name, $params) = @_;	1267	my ($pl, $name, $params) = @_;
…		…
856	cf::override;	1276	cf::override;
857	},	1277	},
858	on_extcmd => sub {	1278	on_extcmd => sub {
859	my ($pl, $buf) = @_;	1279	my ($pl, $buf) = @_;
860		1280
861	my $msg = eval { from_json $buf };	1281	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
862		1282
863	if (ref $msg) {	1283	if (ref $msg) {
		1284	my ($type, $reply, @payload) =
		1285	"ARRAY" eq ref $msg
		1286	? @$msg
		1287	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1288
		1289	my @reply;
		1290
864	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1291	if (my $cb = $EXTCMD{$type}) {
865	if (my %reply = $cb->($pl, $msg)) {	1292	@reply = $cb->($pl, @payload);
866	$pl->ext_reply ($msg->{msgid}, %reply);
867	}
868	}	1293	}
		1294
		1295	$pl->ext_reply ($reply, @reply)
		1296	if $reply;
		1297
869	} else {	1298	} else {
870	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1299	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
871	}	1300	}
872		1301
873	cf::override;	1302	cf::override;
874	},	1303	},
875	);	1304	);
876		1305
877	sub load_extension {
878	my ($path) = @_;
879
880	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
881	my $base = $1;
882	my $pkg = $1;
883	$pkg =~ s/[^[:word:]]/_/g;
884	$pkg = "ext::$pkg";
885
886	warn "... loading '$path' into '$pkg'\n";
887
888	open my $fh, "<:utf8", $path
889	or die "$path: $!";
890
891	my $source =
892	"package $pkg; use strict; use utf8;\n"
893	. "#line 1 \"$path\"\n{\n"
894	. (do { local $/; <$fh> })
895	. "\n};\n1";
896
897	unless (eval $source) {
898	my $msg = $@ ? "$path: $@\n"
899	: "extension disabled.\n";
900	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
901	warn $@;
902	warn "mandatory extension failed to load, exiting.\n";
903	exit 1;
904	}
905	die $@;
906	}
907
908	push @EXTS, $pkg;
909	}
910
911	sub load_extensions {	1306	sub load_extensions {
		1307	cf::sync_job {
		1308	my %todo;
		1309
912	for my $ext (<$LIBDIR/*.ext>) {	1310	for my $path (<$LIBDIR/*.ext>) {
913	next unless -r $ext;	1311	next unless -r $path;
914	eval {	1312
915	load_extension $ext;	1313	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1314	my $base = $1;
		1315	my $pkg = $1;
		1316	$pkg =~ s/[^[:word:]]/_/g;
		1317	$pkg = "ext::$pkg";
		1318
		1319	open my $fh, "<:utf8", $path
		1320	or die "$path: $!";
		1321
		1322	my $source = do { local $/; <$fh> };
		1323
		1324	my %ext = (
		1325	path => $path,
		1326	base => $base,
		1327	pkg => $pkg,
		1328	);
		1329
		1330	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1331	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1332
		1333	$ext{source} =
		1334	"package $pkg; use strict; use utf8;\n"
		1335	. "#line 1 \"$path\"\n{\n"
		1336	. $source
		1337	. "\n};\n1";
		1338
		1339	$todo{$base} = \%ext;
		1340	}
		1341
		1342	my %done;
		1343	while (%todo) {
		1344	my $progress;
		1345
		1346	while (my ($k, $v) = each %todo) {
		1347	for (split /,\s*/, $v->{meta}{depends}) {
		1348	goto skip
		1349	unless exists $done{$_};
		1350	}
		1351
		1352	warn "... loading '$k' into '$v->{pkg}'\n";
		1353
		1354	unless (eval $v->{source}) {
		1355	my $msg = $@ ? "$v->{path}: $@\n"
		1356	: "$v->{base}: extension inactive.\n";
		1357
		1358	if (exists $v->{meta}{mandatory}) {
		1359	warn $msg;
		1360	cf::cleanup "mandatory extension failed to load, exiting.";
		1361	}
		1362
		1363	warn $msg;
		1364	}
		1365
		1366	$done{$k} = delete $todo{$k};
		1367	push @EXTS, $v->{pkg};
		1368	$progress = 1;
916	1	1369	}
917	} or warn "$ext not loaded: $@";	1370
		1371	skip:
		1372	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1373	unless $progress;
		1374	}
918	}	1375	};
919	}	1376	}
920		1377
921	#############################################################################	1378	#############################################################################
922		1379
		1380	=back
		1381
923	=head2 CORE EXTENSIONS	1382	=head2 CORE EXTENSIONS
924		1383
925	Functions and methods that extend core crossfire objects.	1384	Functions and methods that extend core crossfire objects.
926		1385
927	=cut	1386	=cut
…		…
932		1391
933	=head3 cf::player	1392	=head3 cf::player
934		1393
935	=over 4	1394	=over 4
936		1395
		1396	=item cf::player::num_playing
		1397
		1398	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1399
		1400	=cut
		1401
		1402	sub num_playing {
		1403	scalar grep
		1404	$_->ob->map
		1405	&& !$_->hidden
		1406	&& !$_->ob->flag (cf::FLAG_WIZ),
		1407	cf::player::list
		1408	}
		1409
937	=item cf::player::find $login	1410	=item cf::player::find $login
938		1411
939	Returns the given player object, loading it if necessary (might block).	1412	Returns the given player object, loading it if necessary (might block).
940		1413
941	=cut	1414	=cut
942		1415
943	sub playerdir($) {	1416	sub playerdir($) {
944	cf::localdir	1417	"$PLAYERDIR/"
945	. "/"
946	. cf::playerdir
947	. "/"
948	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1418	. (ref $_[0] ? $_[0]->ob->name : $_[0])
949	}	1419	}
950		1420
951	sub path($) {	1421	sub path($) {
952	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1422	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
953		1423
954	(playerdir $login) . "/$login.pl"	1424	(playerdir $login) . "/playerdata"
955	}	1425	}
956		1426
957	sub find_active($) {	1427	sub find_active($) {
958	$cf::PLAYER{$_[0]}	1428	$cf::PLAYER{$_[0]}
959	and $cf::PLAYER{$_[0]}->active	1429	and $cf::PLAYER{$_[0]}->active
…		…
972	my $login = $_[0];	1442	my $login = $_[0];
973		1443
974	my $guard = cf::lock_acquire "user_find:$login";	1444	my $guard = cf::lock_acquire "user_find:$login";
975		1445
976	$cf::PLAYER{$_[0]} || do {	1446	$cf::PLAYER{$_[0]} || do {
977	my $pl = load_pl path $login	1447	# rename old playerfiles to new ones
		1448	#TODO: remove when no longer required
		1449	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1450	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1451	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1452	aio_unlink +(playerdir $login) . "/$login.pl";
		1453
		1454	my $f = new_from_file cf::object::thawer path $login
978	or return;	1455	or return;
		1456
		1457	my $pl = cf::player::load_pl $f
		1458	or return;
		1459	local $cf::PLAYER_LOADING{$login} = $pl;
		1460	$f->resolve_delayed_derefs;
979	$cf::PLAYER{$login} = $pl	1461	$cf::PLAYER{$login} = $pl
980	}	1462	}
981	}	1463	}
982	}	1464	}
983		1465
…		…
993		1475
994	aio_mkdir playerdir $pl, 0770;	1476	aio_mkdir playerdir $pl, 0770;
995	$pl->{last_save} = $cf::RUNTIME;	1477	$pl->{last_save} = $cf::RUNTIME;
996		1478
997	$pl->save_pl ($path);	1479	$pl->save_pl ($path);
998	Coro::cede;	1480	cf::cede_to_tick;
999	}	1481	}
1000		1482
1001	sub new($) {	1483	sub new($) {
1002	my ($login) = @_;	1484	my ($login) = @_;
1003		1485
…		…
1009	$cf::PLAYER{$login} = $self;	1491	$cf::PLAYER{$login} = $self;
1010		1492
1011	$self	1493	$self
1012	}	1494	}
1013		1495
		1496	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1497
		1498	=cut
		1499
		1500	sub send_msg {
		1501	my $ns = shift->ns
		1502	or return;
		1503	$ns->send_msg (@_);
		1504	}
		1505
1014	=item $pl->quit_character	1506	=item $pl->quit_character
1015		1507
1016	Nukes the player without looking back. If logged in, the connection will	1508	Nukes the player without looking back. If logged in, the connection will
1017	be destroyed. May block for a long time.	1509	be destroyed. May block for a long time.
1018		1510
1019	=cut	1511	=cut
1020		1512
1021	sub quit_character {	1513	sub quit_character {
1022	my ($pl) = @_;	1514	my ($pl) = @_;
		1515
		1516	my $name = $pl->ob->name;
1023		1517
1024	$pl->{deny_save} = 1;	1518	$pl->{deny_save} = 1;
1025	$pl->password ("*"); # this should lock out the player until we nuked the dir	1519	$pl->password ("*"); # this should lock out the player until we nuked the dir
1026		1520
1027	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1521	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1032	my $path = playerdir $pl;	1526	my $path = playerdir $pl;
1033	my $temp = "$path~$cf::RUNTIME~deleting~";	1527	my $temp = "$path~$cf::RUNTIME~deleting~";
1034	aio_rename $path, $temp;	1528	aio_rename $path, $temp;
1035	delete $cf::PLAYER{$pl->ob->name};	1529	delete $cf::PLAYER{$pl->ob->name};
1036	$pl->destroy;	1530	$pl->destroy;
		1531
		1532	my $prefix = qr<^~\Q$name\E/>;
		1533
		1534	# nuke player maps
		1535	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1536
1037	IO::AIO::aio_rmtree $temp;	1537	IO::AIO::aio_rmtree $temp;
		1538	}
		1539
		1540	=item $pl->kick
		1541
		1542	Kicks a player out of the game. This destroys the connection.
		1543
		1544	=cut
		1545
		1546	sub kick {
		1547	my ($pl, $kicker) = @_;
		1548
		1549	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1550	$pl->killer ("kicked");
		1551	$pl->ns->destroy;
1038	}	1552	}
1039		1553
1040	=item cf::player::list_logins	1554	=item cf::player::list_logins
1041		1555
1042	Returns am arrayref of all valid playernames in the system, can take a	1556	Returns am arrayref of all valid playernames in the system, can take a
1043	while and may block, so not sync_job-capable, ever.	1557	while and may block, so not sync_job-capable, ever.
1044		1558
1045	=cut	1559	=cut
1046		1560
1047	sub list_logins {	1561	sub list_logins {
1048	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1562	my $dirs = aio_readdir $PLAYERDIR
1049	or return [];	1563	or return [];
1050		1564
1051	my @logins;	1565	my @logins;
1052		1566
1053	for my $login (@$dirs) {	1567	for my $login (@$dirs) {
		1568	my $path = path $login;
		1569
		1570	# a .pst is a dead give-away for a valid player
		1571	unless (-e "$path.pst") {
1054	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1572	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1055	aio_read $fh, 0, 512, my $buf, 0 or next;	1573	aio_read $fh, 0, 512, my $buf, 0 or next;
1056	$buf !~ /^password -------------$/m or next; # official not-valid tag	1574	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1575	}
1057		1576
1058	utf8::decode $login;	1577	utf8::decode $login;
1059	push @logins, $login;	1578	push @logins, $login;
1060	}	1579	}
1061		1580
…		…
1069		1588
1070	=cut	1589	=cut
1071		1590
1072	sub maps($) {	1591	sub maps($) {
1073	my ($pl) = @_;	1592	my ($pl) = @_;
		1593
		1594	$pl = ref $pl ? $pl->ob->name : $pl;
1074		1595
1075	my $files = aio_readdir playerdir $pl	1596	my $files = aio_readdir playerdir $pl
1076	or return;	1597	or return;
1077		1598
1078	my @paths;	1599	my @paths;
…		…
1080	for (@$files) {	1601	for (@$files) {
1081	utf8::decode $_;	1602	utf8::decode $_;
1082	next if /\.(?:pl|pst)$/;	1603	next if /\.(?:pl|pst)$/;
1083	next unless /^$PATH_SEP/o;	1604	next unless /^$PATH_SEP/o;
1084		1605
1085	push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_;	1606	push @paths, cf::map::normalise "~$pl/$_";
1086	}	1607	}
1087		1608
1088	\@paths	1609	\@paths
1089	}	1610	}
1090		1611
		1612	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1613
		1614	Expand crossfire pod fragments into protocol xml.
		1615
		1616	=cut
		1617
		1618	use re 'eval';
		1619
		1620	my $group;
		1621	my $interior; $interior = qr{
		1622	# match a pod interior sequence sans C<< >>
		1623	(?:
		1624	\ (.*?)\ (?{ $group = $^N })
		1625	| < (??{$interior}) >
		1626	)
		1627	}x;
		1628
		1629	sub expand_cfpod {
		1630	my ($self, $pod) = @_;
		1631
		1632	my $xml;
		1633
		1634	while () {
		1635	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1636	$group = $1;
		1637
		1638	$group =~ s/&/&amp;/g;
		1639	$group =~ s/</&lt;/g;
		1640
		1641	$xml .= $group;
		1642	} elsif ($pod =~ m%\G
		1643	([BCGHITU])
		1644	<
		1645	(?:
		1646	([^<>]*) (?{ $group = $^N })
		1647	| < $interior >
		1648	)
		1649	>
		1650	%gcsx
		1651	) {
		1652	my ($code, $data) = ($1, $group);
		1653
		1654	if ($code eq "B") {
		1655	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1656	} elsif ($code eq "I") {
		1657	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1658	} elsif ($code eq "U") {
		1659	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1660	} elsif ($code eq "C") {
		1661	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1662	} elsif ($code eq "T") {
		1663	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1664	} elsif ($code eq "G") {
		1665	my ($male, $female) = split /\|/, $data;
		1666	$data = $self->gender ? $female : $male;
		1667	$xml .= expand_cfpod ($self, $data);
		1668	} elsif ($code eq "H") {
		1669	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1670	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1671	"")
		1672	[$self->{hintmode}];
		1673	} else {
		1674	$xml .= "error processing '$code($data)' directive";
		1675	}
		1676	} else {
		1677	if ($pod =~ /\G(.+)/) {
		1678	warn "parse error while expanding $pod (at $1)";
		1679	}
		1680	last;
		1681	}
		1682	}
		1683
		1684	for ($xml) {
		1685	# create single paragraphs (very hackish)
		1686	s/(?<=\S)\n(?=\w)/ /g;
		1687
		1688	# compress some whitespace
		1689	s/\s+\n/\n/g; # ws line-ends
		1690	s/\n\n+/\n/g; # double lines
		1691	s/^\n+//; # beginning lines
		1692	s/\n+$//; # ending lines
		1693	}
		1694
		1695	$xml
		1696	}
		1697
		1698	no re 'eval';
		1699
		1700	sub hintmode {
		1701	$_[0]{hintmode} = $_[1] if @_ > 1;
		1702	$_[0]{hintmode}
		1703	}
		1704
1091	=item $player->ext_reply ($msgid, $msgtype, %msg)	1705	=item $player->ext_reply ($msgid, @msg)
1092		1706
1093	Sends an ext reply to the player.	1707	Sends an ext reply to the player.
1094		1708
1095	=cut	1709	=cut
1096		1710
1097	sub ext_reply($$$%) {	1711	sub ext_reply($$@) {
1098	my ($self, $id, %msg) = @_;	1712	my ($self, $id, @msg) = @_;
1099		1713
1100	$msg{msgid} = $id;	1714	$self->ns->ext_reply ($id, @msg)
1101
1102	$self->send ("ext " . cf::to_json \%msg);
1103	}	1715	}
1104		1716
1105	package cf;	1717	=item $player->ext_msg ($type, @msg)
		1718
		1719	Sends an ext event to the client.
		1720
		1721	=cut
		1722
		1723	sub ext_msg($$@) {
		1724	my ($self, $type, @msg) = @_;
		1725
		1726	$self->ns->ext_msg ($type, @msg);
		1727	}
		1728
		1729	=head3 cf::region
		1730
		1731	=over 4
		1732
		1733	=cut
		1734
		1735	package cf::region;
		1736
		1737	=item cf::region::find_by_path $path
		1738
		1739	Tries to decuce the likely region for a map knowing only its path.
		1740
		1741	=cut
		1742
		1743	sub find_by_path($) {
		1744	my ($path) = @_;
		1745
		1746	my ($match, $specificity);
		1747
		1748	for my $region (list) {
		1749	if ($region->{match} && $path =~ $region->{match}) {
		1750	($match, $specificity) = ($region, $region->specificity)
		1751	if $region->specificity > $specificity;
		1752	}
		1753	}
		1754
		1755	$match
		1756	}
1106		1757
1107	=back	1758	=back
1108
1109		1759
1110	=head3 cf::map	1760	=head3 cf::map
1111		1761
1112	=over 4	1762	=over 4
1113		1763
…		…
1125	our $MAX_RESET = 3600;	1775	our $MAX_RESET = 3600;
1126	our $DEFAULT_RESET = 3000;	1776	our $DEFAULT_RESET = 3000;
1127		1777
1128	sub generate_random_map {	1778	sub generate_random_map {
1129	my ($self, $rmp) = @_;	1779	my ($self, $rmp) = @_;
		1780
		1781	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1782
1130	# mit "rum" bekleckern, nicht	1783	# mit "rum" bekleckern, nicht
1131	$self->_create_random_map (	1784	$self->_create_random_map (
1132	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1785	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1133	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1786	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1134	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1787	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1168	my ($self, $merge) = @_;	1821	my ($self, $merge) = @_;
1169		1822
1170	# we have to keep some variables in memory intact	1823	# we have to keep some variables in memory intact
1171	local $self->{path};	1824	local $self->{path};
1172	local $self->{load_path};	1825	local $self->{load_path};
1173	local $self->{deny_save};
1174	local $self->{deny_reset};
1175		1826
1176	$self->SUPER::thawer_merge ($merge);	1827	$self->SUPER::thawer_merge ($merge);
1177	}	1828	}
1178		1829
1179	sub normalise {	1830	sub normalise {
…		…
1226	$self->init; # pass $1 etc.	1877	$self->init; # pass $1 etc.
1227	return $self;	1878	return $self;
1228	}	1879	}
1229	}	1880	}
1230		1881
1231	Carp::carp "unable to resolve path '$path' (base '$base').";	1882	Carp::cluck "unable to resolve path '$path' (base '$base').";
1232	()	1883	()
1233	}	1884	}
1234		1885
1235	sub init {	1886	sub init {
1236	my ($self) = @_;	1887	my ($self) = @_;
…		…
1251		1902
1252	# the original (read-only) location	1903	# the original (read-only) location
1253	sub load_path {	1904	sub load_path {
1254	my ($self) = @_;	1905	my ($self) = @_;
1255		1906
1256	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1907	"$MAPDIR/$self->{path}.map"
1257	}	1908	}
1258		1909
1259	# the temporary/swap location	1910	# the temporary/swap location
1260	sub save_path {	1911	sub save_path {
1261	my ($self) = @_;	1912	my ($self) = @_;
1262		1913
1263	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1914	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1264	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1915	"$TMPDIR/$path.map"
1265	}	1916	}
1266		1917
1267	# the unique path, undef == no special unique path	1918	# the unique path, undef == no special unique path
1268	sub uniq_path {	1919	sub uniq_path {
1269	my ($self) = @_;	1920	my ($self) = @_;
1270		1921
1271	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1922	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1272	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1923	"$UNIQUEDIR/$path"
1273	}	1924	}
1274		1925
1275	# and all this just because we cannot iterate over	1926	# and all this just because we cannot iterate over
1276	# all maps in C++...	1927	# all maps in C++...
1277	sub change_all_map_light {	1928	sub change_all_map_light {
…		…
1279		1930
1280	$_->change_map_light ($change)	1931	$_->change_map_light ($change)
1281	for grep $_->outdoor, values %cf::MAP;	1932	for grep $_->outdoor, values %cf::MAP;
1282	}	1933	}
1283		1934
		1935	sub decay_objects {
		1936	my ($self) = @_;
		1937
		1938	return if $self->{deny_reset};
		1939
		1940	$self->do_decay_objects;
		1941	}
		1942
1284	sub unlink_save {	1943	sub unlink_save {
1285	my ($self) = @_;	1944	my ($self) = @_;
1286		1945
1287	utf8::encode (my $save = $self->save_path);	1946	utf8::encode (my $save = $self->save_path);
1288	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1947	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1291		1950
1292	sub load_header_from($) {	1951	sub load_header_from($) {
1293	my ($self, $path) = @_;	1952	my ($self, $path) = @_;
1294		1953
1295	utf8::encode $path;	1954	utf8::encode $path;
1296	aio_open $path, O_RDONLY, 0	1955	my $f = new_from_file cf::object::thawer $path
1297	or return;	1956	or return;
1298		1957
1299	$self->_load_header ($path)	1958	$self->_load_header ($f)
1300	or return;	1959	or return;
		1960
		1961	local $MAP_LOADING{$self->{path}} = $self;
		1962	$f->resolve_delayed_derefs;
1301		1963
1302	$self->{load_path} = $path;	1964	$self->{load_path} = $path;
1303		1965
1304	1	1966	1
1305	}	1967	}
…		…
1344	$self->load_header_orig	2006	$self->load_header_orig
1345	or return;	2007	or return;
1346	$self->prepare_orig;	2008	$self->prepare_orig;
1347	}	2009	}
1348		2010
		2011	$self->{deny_reset} = 1
		2012	if $self->no_reset;
		2013
		2014	$self->default_region (cf::region::find_by_path $self->{path})
		2015	unless $self->default_region;
		2016
1349	1	2017	1
1350	}	2018	}
1351		2019
1352	sub find;	2020	sub find;
1353	sub find {	2021	sub find {
1354	my ($path, $origin) = @_;	2022	my ($path, $origin) = @_;
1355		2023
1356	$path = normalise $path, $origin && $origin->path;	2024	$path = normalise $path, $origin && $origin->path;
1357		2025
		2026	cf::lock_wait "map_data:$path";#d#remove
1358	cf::lock_wait "map_find:$path";	2027	cf::lock_wait "map_find:$path";
1359		2028
1360	$cf::MAP{$path} || do {	2029	$cf::MAP{$path} || do {
1361	my $guard = cf::lock_acquire "map_find:$path";	2030	my $guard1 = cf::lock_acquire "map_find:$path";
		2031	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		2032
1362	my $map = new_from_path cf::map $path	2033	my $map = new_from_path cf::map $path
1363	or return;	2034	or return;
1364		2035
1365	$map->{last_save} = $cf::RUNTIME;	2036	$map->{last_save} = $cf::RUNTIME;
1366		2037
1367	$map->load_header	2038	$map->load_header
1368	or return;	2039	or return;
1369		2040
1370	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2041	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1371	# doing this can freeze the server in a sync job, obviously	2042	# doing this can freeze the server in a sync job, obviously
1372	#$cf::WAIT_FOR_TICK->wait;	2043	#$cf::WAIT_FOR_TICK->wait;
		2044	undef $guard1;
		2045	undef $guard2;
1373	$map->reset;	2046	$map->reset;
1374	undef $guard;
1375	return find $path;	2047	return find $path;
1376	}	2048	}
1377		2049
1378	$cf::MAP{$path} = $map	2050	$cf::MAP{$path} = $map
1379	}	2051	}
…		…
1386	my ($self) = @_;	2058	my ($self) = @_;
1387		2059
1388	local $self->{deny_reset} = 1; # loading can take a long time	2060	local $self->{deny_reset} = 1; # loading can take a long time
1389		2061
1390	my $path = $self->{path};	2062	my $path = $self->{path};
		2063
		2064	{
1391	my $guard = cf::lock_acquire "map_load:$path";	2065	my $guard = cf::lock_acquire "map_data:$path";
1392		2066
		2067	return unless $self->valid;
1393	return if $self->in_memory != cf::MAP_SWAPPED;	2068	return unless $self->in_memory == cf::MAP_SWAPPED;
1394		2069
1395	$self->in_memory (cf::MAP_LOADING);	2070	$self->in_memory (cf::MAP_LOADING);
1396		2071
1397	$self->alloc;	2072	$self->alloc;
1398		2073
1399	$self->pre_load;	2074	$self->pre_load;
		2075	cf::cede_to_tick;
1400		2076
1401	$self->_load_objects ($self->{load_path}, 1)	2077	my $f = new_from_file cf::object::thawer $self->{load_path};
		2078	$f->skip_block;
		2079	$self->_load_objects ($f)
1402	or return;	2080	or return;
1403		2081
1404	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2082	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1405	if delete $self->{load_original};	2083	if delete $self->{load_original};
1406		2084
1407	if (my $uniq = $self->uniq_path) {	2085	if (my $uniq = $self->uniq_path) {
1408	utf8::encode $uniq;	2086	utf8::encode $uniq;
1409	if (aio_open $uniq, O_RDONLY, 0) {	2087	unless (aio_stat $uniq) {
		2088	if (my $f = new_from_file cf::object::thawer $uniq) {
1410	$self->clear_unique_items;	2089	$self->clear_unique_items;
1411	$self->_load_objects ($uniq, 0);	2090	$self->_load_objects ($f);
		2091	$f->resolve_delayed_derefs;
		2092	}
1412	}	2093	}
1413	}	2094	}
1414		2095
1415	Coro::cede;	2096	$f->resolve_delayed_derefs;
1416		2097
		2098	cf::cede_to_tick;
1417	# now do the right thing for maps	2099	# now do the right thing for maps
1418	$self->link_multipart_objects;	2100	$self->link_multipart_objects;
1419
1420	unless ($self->{deny_activate}) {
1421	$self->decay_objects;
1422	$self->fix_auto_apply;
1423	$self->update_buttons;
1424	Coro::cede;
1425	$self->set_darkness_map;
1426	$self->difficulty ($self->estimate_difficulty)	2101	$self->difficulty ($self->estimate_difficulty)
1427	unless $self->difficulty;	2102	unless $self->difficulty;
1428	Coro::cede;	2103	cf::cede_to_tick;
		2104
		2105	unless ($self->{deny_activate}) {
		2106	$self->decay_objects;
		2107	$self->fix_auto_apply;
		2108	$self->update_buttons;
		2109	cf::cede_to_tick;
		2110	$self->set_darkness_map;
		2111	cf::cede_to_tick;
1429	$self->activate;	2112	$self->activate;
		2113	}
		2114
		2115	$self->{last_save} = $cf::RUNTIME;
		2116	$self->last_access ($cf::RUNTIME);
		2117
		2118	$self->in_memory (cf::MAP_IN_MEMORY);
1430	}	2119	}
1431		2120
1432	$self->post_load;	2121	$self->post_load;
1433
1434	$self->in_memory (cf::MAP_IN_MEMORY);
1435	}	2122	}
1436		2123
1437	sub customise_for {	2124	sub customise_for {
1438	my ($self, $ob) = @_;	2125	my ($self, $ob) = @_;
1439		2126
1440	return find "~" . $ob->name . "/" . $self->{path}	2127	return find "~" . $ob->name . "/" . $self->{path}
1441	if $self->per_player;	2128	if $self->per_player;
1442		2129
		2130	# return find "?party/" . $ob->name . "/" . $self->{path}
		2131	# if $self->per_party;
		2132
1443	$self	2133	$self
1444	}	2134	}
1445		2135
1446	# find and load all maps in the 3x3 area around a map	2136	# find and load all maps in the 3x3 area around a map
1447	sub load_diag {	2137	sub load_neighbours {
1448	my ($map) = @_;	2138	my ($map) = @_;
1449		2139
1450	my @diag; # diagonal neighbours	2140	my @neigh; # diagonal neighbours
1451		2141
1452	for (0 .. 3) {	2142	for (0 .. 3) {
1453	my $neigh = $map->tile_path ($_)	2143	my $neigh = $map->tile_path ($_)
1454	or next;	2144	or next;
1455	$neigh = find $neigh, $map	2145	$neigh = find $neigh, $map
1456	or next;	2146	or next;
1457	$neigh->load;	2147	$neigh->load;
1458		2148
		2149	push @neigh,
1459	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2150	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1460	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2151	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1461	}	2152	}
1462		2153
1463	for (@diag) {	2154	for (grep defined $_->[0], @neigh) {
		2155	my ($path, $origin) = @$_;
1464	my $neigh = find @$_	2156	my $neigh = find $path, $origin
1465	or next;	2157	or next;
1466	$neigh->load;	2158	$neigh->load;
1467	}	2159	}
1468	}	2160	}
1469		2161
…		…
1474	}	2166	}
1475		2167
1476	sub do_load_sync {	2168	sub do_load_sync {
1477	my ($map) = @_;	2169	my ($map) = @_;
1478		2170
		2171	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2172	if $Coro::current == $Coro::main;
		2173
1479	cf::sync_job { $map->load };	2174	cf::sync_job { $map->load };
1480	}	2175	}
1481		2176
1482	our %MAP_PREFETCH;	2177	our %MAP_PREFETCH;
1483	our $MAP_PREFETCHER = undef;	2178	our $MAP_PREFETCHER = undef;
1484		2179
1485	sub find_async {	2180	sub find_async {
1486	my ($path, $origin) = @_;	2181	my ($path, $origin, $load) = @_;
1487		2182
1488	$path = normalise $path, $origin && $origin->{path};	2183	$path = normalise $path, $origin && $origin->{path};
1489		2184
1490	if (my $map = $cf::MAP{$path}) {	2185	if (my $map = $cf::MAP{$path}) {
1491	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2186	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1492	}	2187	}
1493		2188
1494	undef $MAP_PREFETCH{$path};	2189	$MAP_PREFETCH{$path} |= $load;
		2190
1495	$MAP_PREFETCHER ||= cf::async {	2191	$MAP_PREFETCHER ||= cf::async {
		2192	$Coro::current->{desc} = "map prefetcher";
		2193
1496	while (%MAP_PREFETCH) {	2194	while (%MAP_PREFETCH) {
1497	for my $path (keys %MAP_PREFETCH) {	2195	while (my ($k, $v) = each %MAP_PREFETCH) {
1498	my $map = find $path	2196	if (my $map = find $k) {
1499	or next;
1500	$map->load;	2197	$map->load if $v;
		2198	}
1501		2199
1502	delete $MAP_PREFETCH{$path};	2200	delete $MAP_PREFETCH{$k};
1503	}	2201	}
1504	}	2202	}
1505	undef $MAP_PREFETCHER;	2203	undef $MAP_PREFETCHER;
1506	};	2204	};
1507	$MAP_PREFETCHER->prio (6);	2205	$MAP_PREFETCHER->prio (6);
…		…
1510	}	2208	}
1511		2209
1512	sub save {	2210	sub save {
1513	my ($self) = @_;	2211	my ($self) = @_;
1514		2212
1515	my $lock = cf::lock_acquire "map_data:" . $self->path;	2213	my $lock = cf::lock_acquire "map_data:$self->{path}";
1516		2214
1517	$self->{last_save} = $cf::RUNTIME;	2215	$self->{last_save} = $cf::RUNTIME;
1518		2216
1519	return unless $self->dirty;	2217	return unless $self->dirty;
1520		2218
…		…
1526	return if $self->{deny_save};	2224	return if $self->{deny_save};
1527		2225
1528	local $self->{last_access} = $self->last_access;#d#	2226	local $self->{last_access} = $self->last_access;#d#
1529		2227
1530	cf::async {	2228	cf::async {
		2229	$Coro::current->{desc} = "map player save";
1531	$_->contr->save for $self->players;	2230	$_->contr->save for $self->players;
1532	};	2231	};
1533		2232
1534	if ($uniq) {	2233	if ($uniq) {
1535	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2234	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1543	my ($self) = @_;	2242	my ($self) = @_;
1544		2243
1545	# save first because save cedes	2244	# save first because save cedes
1546	$self->save;	2245	$self->save;
1547		2246
1548	my $lock = cf::lock_acquire "map_data:" . $self->path;	2247	my $lock = cf::lock_acquire "map_data:$self->{path}";
1549		2248
1550	return if $self->players;	2249	return if $self->players;
1551	return if $self->in_memory != cf::MAP_IN_MEMORY;	2250	return if $self->in_memory != cf::MAP_IN_MEMORY;
1552	return if $self->{deny_save};	2251	return if $self->{deny_save};
1553		2252
		2253	$self->in_memory (cf::MAP_SWAPPED);
		2254
		2255	$self->deactivate;
		2256	$_->clear_links_to ($self) for values %cf::MAP;
1554	$self->clear;	2257	$self->clear;
1555	$self->in_memory (cf::MAP_SWAPPED);
1556	}	2258	}
1557		2259
1558	sub reset_at {	2260	sub reset_at {
1559	my ($self) = @_;	2261	my ($self) = @_;
1560		2262
1561	# TODO: safety, remove and allow resettable per-player maps	2263	# TODO: safety, remove and allow resettable per-player maps
1562	return 1e99 if $self->isa ("ext::map_per_player");#d#
1563	return 1e99 if $self->{deny_reset};	2264	return 1e99 if $self->{deny_reset};
1564		2265
1565	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2266	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1566	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2267	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1567		2268
…		…
1578	my ($self) = @_;	2279	my ($self) = @_;
1579		2280
1580	my $lock = cf::lock_acquire "map_data:$self->{path}";	2281	my $lock = cf::lock_acquire "map_data:$self->{path}";
1581		2282
1582	return if $self->players;	2283	return if $self->players;
1583	return if $self->isa ("ext::map_per_player");#d#
1584		2284
1585	warn "resetting map ", $self->path;#d#	2285	warn "resetting map ", $self->path;
		2286
		2287	$self->in_memory (cf::MAP_SWAPPED);
		2288
		2289	# need to save uniques path
		2290	unless ($self->{deny_save}) {
		2291	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2292
		2293	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2294	if $uniq;
		2295	}
1586		2296
1587	delete $cf::MAP{$self->path};	2297	delete $cf::MAP{$self->path};
1588		2298
1589	$self->in_memory (cf::MAP_SWAPPED);	2299	$self->deactivate;
		2300	$_->clear_links_to ($self) for values %cf::MAP;
1590	$self->clear;	2301	$self->clear;
1591
1592	$_->clear_links_to ($self) for values %cf::MAP;
1593		2302
1594	$self->unlink_save;	2303	$self->unlink_save;
1595	$self->destroy;	2304	$self->destroy;
1596	}	2305	}
1597		2306
1598	my $nuke_counter = "aaaa";	2307	my $nuke_counter = "aaaa";
1599		2308
1600	sub nuke {	2309	sub nuke {
1601	my ($self) = @_;	2310	my ($self) = @_;
1602		2311
		2312	{
		2313	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2314
1603	delete $cf::MAP{$self->path};	2315	delete $cf::MAP{$self->path};
1604		2316
1605	$self->unlink_save;	2317	$self->unlink_save;
1606		2318
1607	bless $self, "cf::map";	2319	bless $self, "cf::map";
1608	delete $self->{deny_reset};	2320	delete $self->{deny_reset};
1609	$self->{deny_save} = 1;	2321	$self->{deny_save} = 1;
1610	$self->reset_timeout (1);	2322	$self->reset_timeout (1);
1611	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2323	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1612		2324
1613	$cf::MAP{$self->path} = $self;	2325	$cf::MAP{$self->path} = $self;
		2326	}
1614		2327
1615	$self->reset; # polite request, might not happen	2328	$self->reset; # polite request, might not happen
		2329	}
		2330
		2331	=item $maps = cf::map::tmp_maps
		2332
		2333	Returns an arrayref with all map paths of currently instantiated and saved
		2334	maps. May block.
		2335
		2336	=cut
		2337
		2338	sub tmp_maps() {
		2339	[
		2340	map {
		2341	utf8::decode $_;
		2342	/\.map$/
		2343	? normalise $_
		2344	: ()
		2345	} @{ aio_readdir $TMPDIR or [] }
		2346	]
		2347	}
		2348
		2349	=item $maps = cf::map::random_maps
		2350
		2351	Returns an arrayref with all map paths of currently instantiated and saved
		2352	random maps. May block.
		2353
		2354	=cut
		2355
		2356	sub random_maps() {
		2357	[
		2358	map {
		2359	utf8::decode $_;
		2360	/\.map$/
		2361	? normalise "?random/$_"
		2362	: ()
		2363	} @{ aio_readdir $RANDOMDIR or [] }
		2364	]
1616	}	2365	}
1617		2366
1618	=item cf::map::unique_maps	2367	=item cf::map::unique_maps
1619		2368
1620	Returns an arrayref of paths of all shared maps that have	2369	Returns an arrayref of paths of all shared maps that have
1621	instantiated unique items. May block.	2370	instantiated unique items. May block.
1622		2371
1623	=cut	2372	=cut
1624		2373
1625	sub unique_maps() {	2374	sub unique_maps() {
1626	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2375	[
1627	or return;	2376	map {
1628
1629	my @paths;
1630
1631	for (@$files) {
1632	utf8::decode $_;	2377	utf8::decode $_;
1633	next if /\.pst$/;	2378	/\.map$/
1634	next unless /^$PATH_SEP/o;	2379	? normalise $_
1635		2380	: ()
1636	push @paths, cf::map::normalise $_;	2381	} @{ aio_readdir $UNIQUEDIR or [] }
1637	}	2382	]
1638
1639	\@paths
1640	}	2383	}
1641
1642	package cf;
1643		2384
1644	=back	2385	=back
1645		2386
1646	=head3 cf::object	2387	=head3 cf::object
1647		2388
…		…
1662	map { $_, inv_recursive_ $_->inv } @_	2403	map { $_, inv_recursive_ $_->inv } @_
1663	}	2404	}
1664		2405
1665	sub inv_recursive {	2406	sub inv_recursive {
1666	inv_recursive_ inv $_[0]	2407	inv_recursive_ inv $_[0]
		2408	}
		2409
		2410	=item $ref = $ob->ref
		2411
		2412	creates and returns a persistent reference to an objetc that can be stored as a string.
		2413
		2414	=item $ob = cf::object::deref ($refstring)
		2415
		2416	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2417	even if the object actually exists. May block.
		2418
		2419	=cut
		2420
		2421	sub deref {
		2422	my ($ref) = @_;
		2423
		2424	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2425	my ($uuid, $name) = ($1, $2);
		2426	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2427	or return;
		2428	$pl->ob->uuid eq $uuid
		2429	or return;
		2430
		2431	$pl->ob
		2432	} else {
		2433	warn "$ref: cannot resolve object reference\n";
		2434	undef
		2435	}
1667	}	2436	}
1668		2437
1669	package cf;	2438	package cf;
1670		2439
1671	=back	2440	=back
…		…
1690		2459
1691	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2460	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1692		2461
1693	if ($self->{record_replies}) {	2462	if ($self->{record_replies}) {
1694	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2463	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2464
1695	} else {	2465	} else {
		2466	my $pl = $self->contr;
		2467
		2468	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2469	my $dialog = $pl->{npc_dialog};
		2470	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2471
		2472	} else {
1696	$msg = $npc->name . " says: $msg" if $npc;	2473	$msg = $npc->name . " says: $msg" if $npc;
1697	$self->message ($msg, $flags);	2474	$self->message ($msg, $flags);
		2475	}
1698	}	2476	}
		2477	}
		2478
		2479	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2480
		2481	=cut
		2482
		2483	sub cf::object::send_msg {
		2484	my $pl = shift->contr
		2485	or return;
		2486	$pl->send_msg (@_);
1699	}	2487	}
1700		2488
1701	=item $player_object->may ("access")	2489	=item $player_object->may ("access")
1702		2490
1703	Returns wether the given player is authorized to access resource "access"	2491	Returns wether the given player is authorized to access resource "access"
…		…
1750	$self->deactivate_recursive;	2538	$self->deactivate_recursive;
1751		2539
1752	return if UNIVERSAL::isa $self->map, "ext::map_link";	2540	return if UNIVERSAL::isa $self->map, "ext::map_link";
1753		2541
1754	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2542	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1755	if $self->map;	2543	if $self->map && $self->map->{path} ne "{link}";
1756		2544
1757	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2545	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1758	}	2546	}
1759		2547
1760	sub cf::object::player::leave_link {	2548	sub cf::object::player::leave_link {
1761	my ($self, $map, $x, $y) = @_;	2549	my ($self, $map, $x, $y) = @_;
		2550
		2551	return unless $self->contr->active;
1762		2552
1763	my $link_pos = delete $self->{_link_pos};	2553	my $link_pos = delete $self->{_link_pos};
1764		2554
1765	unless ($map) {	2555	unless ($map) {
1766	# restore original map position	2556	# restore original map position
…		…
1780	# use -1 or undef as default coordinates, not 0, 0	2570	# use -1 or undef as default coordinates, not 0, 0
1781	($x, $y) = ($map->enter_x, $map->enter_y)	2571	($x, $y) = ($map->enter_x, $map->enter_y)
1782	if $x <=0 && $y <= 0;	2572	if $x <=0 && $y <= 0;
1783		2573
1784	$map->load;	2574	$map->load;
1785	$map->load_diag;	2575	$map->load_neighbours;
1786		2576
1787	return unless $self->contr->active;	2577	return unless $self->contr->active;
1788	$self->activate_recursive;	2578	$self->activate_recursive;
		2579
		2580	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1789	$self->enter_map ($map, $x, $y);	2581	$self->enter_map ($map, $x, $y);
1790	}	2582	}
1791		2583
1792	cf::player->attach (	2584	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1793	on_logout => sub {
1794	my ($pl) = @_;
1795		2585
1796	# abort map switching before logout	2586	Moves the player to the given map-path and coordinates by first freezing
1797	if ($pl->ob->{_link_pos}) {	2587	her, loading and preparing them map, calling the provided $check callback
1798	cf::sync_job {	2588	that has to return the map if sucecssful, and then unfreezes the player on
1799	$pl->ob->leave_link	2589	the new (success) or old (failed) map position. In either case, $done will
1800	};	2590	be called at the end of this process.
1801	}
1802	},
1803	on_login => sub {
1804	my ($pl) = @_;
1805		2591
1806	# try to abort aborted map switching on player login :)
1807	# should happen only on crashes
1808	if ($pl->ob->{_link_pos}) {
1809	$pl->ob->enter_link;
1810	(async {
1811	# we need this sleep as the login has a concurrent enter_exit running
1812	# and this sleep increases chances of the player not ending up in scorn
1813	$pl->ob->reply (undef,
1814	"There was an internal problem at your last logout, "
1815	. "the server will try to bring you to your intended destination in a second.",
1816	cf::NDI_RED);
1817	Coro::Timer::sleep 1;
1818	$pl->ob->leave_link;
1819	})->prio (2);
1820	}
1821	},
1822	);
1823
1824	=item $player_object->goto ($path, $x, $y)
1825
1826	=cut	2592	=cut
		2593
		2594	our $GOTOGEN;
1827		2595
1828	sub cf::object::player::goto {	2596	sub cf::object::player::goto {
1829	my ($self, $path, $x, $y) = @_;	2597	my ($self, $path, $x, $y, $check, $done) = @_;
		2598
		2599	# do generation counting so two concurrent goto's will be executed in-order
		2600	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1830		2601
1831	$self->enter_link;	2602	$self->enter_link;
1832		2603
1833	(async {	2604	(async {
		2605	$Coro::current->{desc} = "player::goto $path $x $y";
		2606
		2607	# *tag paths override both path and x|y
		2608	if ($path =~ /^\*(.*)$/) {
		2609	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2610	my $ob = $obs[rand @obs];
		2611
		2612	# see if we actually can go there
		2613	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2614	$ob = $obs[rand @obs];
		2615	} else {
		2616	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2617	}
		2618	# else put us there anyways for now #d#
		2619
		2620	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2621	} else {
		2622	($path, $x, $y) = (undef, undef, undef);
		2623	}
		2624	}
		2625
1834	my $map = eval {	2626	my $map = eval {
1835	my $map = cf::map::find $path;	2627	my $map = defined $path ? cf::map::find $path : undef;
		2628
		2629	if ($map) {
1836	$map = $map->customise_for ($self) if $map;	2630	$map = $map->customise_for ($self);
		2631	$map = $check->($map) if $check && $map;
		2632	} else {
		2633	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2634	}
		2635
1837	$map	2636	$map
		2637	};
		2638
		2639	if ($@) {
		2640	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2641	LOG llevError | logBacktrace, Carp::longmess $@;
1838	} or	2642	}
1839	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1840		2643
		2644	if ($gen == $self->{_goto_generation}) {
		2645	delete $self->{_goto_generation};
1841	$self->leave_link ($map, $x, $y);	2646	$self->leave_link ($map, $x, $y);
		2647	}
		2648
		2649	$done->() if $done;
1842	})->prio (1);	2650	})->prio (1);
1843	}	2651	}
1844		2652
1845	=item $player_object->enter_exit ($exit_object)	2653	=item $player_object->enter_exit ($exit_object)
1846		2654
…		…
1883	$rmp->{origin_y} = $exit->y;	2691	$rmp->{origin_y} = $exit->y;
1884	}	2692	}
1885		2693
1886	$rmp->{random_seed} ||= $exit->random_seed;	2694	$rmp->{random_seed} ||= $exit->random_seed;
1887		2695
1888	my $data = cf::to_json $rmp;	2696	my $data = cf::encode_json $rmp;
1889	my $md5 = Digest::MD5::md5_hex $data;	2697	my $md5 = Digest::MD5::md5_hex $data;
1890	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2698	my $meta = "$RANDOMDIR/$md5.meta";
1891		2699
1892	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2700	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1893	aio_write $fh, 0, (length $data), $data, 0;	2701	aio_write $fh, 0, (length $data), $data, 0;
1894	undef $fh;	2702	undef $fh;
1895	aio_rename "$meta~", $meta;	2703	aio_rename "$meta~", $meta;
…		…
1904		2712
1905	return unless $self->type == cf::PLAYER;	2713	return unless $self->type == cf::PLAYER;
1906		2714
1907	if ($exit->slaying eq "/!") {	2715	if ($exit->slaying eq "/!") {
1908	#TODO: this should de-fi-ni-te-ly not be a sync-job	2716	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2717	# the problem is that $exit might not survive long enough
		2718	# so it needs to be done right now, right here
1909	cf::sync_job { prepare_random_map $exit };	2719	cf::sync_job { prepare_random_map $exit };
1910	}	2720	}
1911		2721
1912	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2722	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1913	my $hp = $exit->stats->hp;	2723	my $hp = $exit->stats->hp;
1914	my $sp = $exit->stats->sp;	2724	my $sp = $exit->stats->sp;
1915		2725
1916	$self->enter_link;	2726	$self->enter_link;
1917		2727
		2728	# if exit is damned, update players death & WoR home-position
		2729	$self->contr->savebed ($slaying, $hp, $sp)
		2730	if $exit->flag (FLAG_DAMNED);
		2731
1918	(async {	2732	(async {
		2733	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2734
1919	$self->deactivate_recursive; # just to be sure	2735	$self->deactivate_recursive; # just to be sure
1920	unless (eval {	2736	unless (eval {
1921	$self->goto ($slaying, $hp, $sp);	2737	$self->goto ($slaying, $hp, $sp);
1922		2738
1923	1;	2739	1;
1924	}) {	2740	}) {
1925	$self->message ("Something went wrong deep within the crossfire server. "	2741	$self->message ("Something went wrong deep within the crossfire server. "
1926	. "I'll try to bring you back to the map you were before. "	2742	. "I'll try to bring you back to the map you were before. "
1927	. "Please report this to the dungeon master!",	2743	. "Please report this to the dungeon master!",
1928	cf::NDI_UNIQUE | cf::NDI_RED);	2744	cf::NDI_UNIQUE | cf::NDI_RED);
1929		2745
1930	warn "ERROR in enter_exit: $@";	2746	warn "ERROR in enter_exit: $@";
1931	$self->leave_link;	2747	$self->leave_link;
1932	}	2748	}
1933	})->prio (1);	2749	})->prio (1);
…		…
1946		2762
1947	sub cf::client::send_drawinfo {	2763	sub cf::client::send_drawinfo {
1948	my ($self, $text, $flags) = @_;	2764	my ($self, $text, $flags) = @_;
1949		2765
1950	utf8::encode $text;	2766	utf8::encode $text;
1951	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2767	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1952	}	2768	}
1953		2769
		2770	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2771
		2772	Send a drawinfo or msg packet to the client, formatting the msg for the
		2773	client if neccessary. C<$type> should be a string identifying the type of
		2774	the message, with C<log> being the default. If C<$color> is negative, suppress
		2775	the message unless the client supports the msg packet.
		2776
		2777	=cut
		2778
		2779	# non-persistent channels (usually the info channel)
		2780	our %CHANNEL = (
		2781	"c/identify" => {
		2782	id => "infobox",
		2783	title => "Identify",
		2784	reply => undef,
		2785	tooltip => "Items recently identified",
		2786	},
		2787	"c/examine" => {
		2788	id => "infobox",
		2789	title => "Examine",
		2790	reply => undef,
		2791	tooltip => "Signs and other items you examined",
		2792	},
		2793	"c/book" => {
		2794	id => "infobox",
		2795	title => "Book",
		2796	reply => undef,
		2797	tooltip => "The contents of a note or book",
		2798	},
		2799	"c/lookat" => {
		2800	id => "infobox",
		2801	title => "Look",
		2802	reply => undef,
		2803	tooltip => "What you saw there",
		2804	},
		2805	"c/who" => {
		2806	id => "infobox",
		2807	title => "Players",
		2808	reply => undef,
		2809	tooltip => "Shows players who are currently online",
		2810	},
		2811	"c/body" => {
		2812	id => "infobox",
		2813	title => "Body Parts",
		2814	reply => undef,
		2815	tooltip => "Shows which body parts you posess and are available",
		2816	},
		2817	"c/uptime" => {
		2818	id => "infobox",
		2819	title => "Uptime",
		2820	reply => undef,
		2821	tooltip => "How long the server has been running since last restart",
		2822	},
		2823	"c/mapinfo" => {
		2824	id => "infobox",
		2825	title => "Map Info",
		2826	reply => undef,
		2827	tooltip => "Information related to the maps",
		2828	},
		2829	);
		2830
		2831	sub cf::client::send_msg {
		2832	my ($self, $channel, $msg, $color, @extra) = @_;
		2833
		2834	$msg = $self->pl->expand_cfpod ($msg);
		2835
		2836	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2837
		2838	# check predefined channels, for the benefit of C
		2839	if ($CHANNEL{$channel}) {
		2840	$channel = $CHANNEL{$channel};
		2841
		2842	$self->ext_msg (channel_info => $channel)
		2843	if $self->can_msg;
		2844
		2845	$channel = $channel->{id};
		2846
		2847	} elsif (ref $channel) {
		2848	# send meta info to client, if not yet sent
		2849	unless (exists $self->{channel}{$channel->{id}}) {
		2850	$self->{channel}{$channel->{id}} = $channel;
		2851	$self->ext_msg (channel_info => $channel)
		2852	if $self->can_msg;
		2853	}
		2854
		2855	$channel = $channel->{id};
		2856	}
		2857
		2858	return unless @extra || length $msg;
		2859
		2860	if ($self->can_msg) {
		2861	# default colour, mask it out
		2862	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2863	if $color & cf::NDI_DEF;
		2864
		2865	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2866	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2867	} else {
		2868	if ($color >= 0) {
		2869	# replace some tags by gcfclient-compatible ones
		2870	for ($msg) {
		2871	1 while
		2872	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2873	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2874	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2875	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2876	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2877	}
		2878
		2879	$color &= cf::NDI_COLOR_MASK;
		2880
		2881	utf8::encode $msg;
		2882
		2883	if (0 && $msg =~ /\[/) {
		2884	# COMMAND/INFO
		2885	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2886	} else {
		2887	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2888	$self->send_packet ("drawinfo $color $msg")
		2889	}
		2890	}
		2891	}
		2892	}
		2893
		2894	=item $client->ext_msg ($type, @msg)
		2895
		2896	Sends an ext event to the client.
		2897
		2898	=cut
		2899
		2900	sub cf::client::ext_msg($$@) {
		2901	my ($self, $type, @msg) = @_;
		2902
		2903	if ($self->extcmd == 2) {
		2904	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2905	} elsif ($self->extcmd == 1) { # TODO: remove
		2906	push @msg, msgtype => "event_$type";
		2907	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2908	}
		2909	}
		2910
		2911	=item $client->ext_reply ($msgid, @msg)
		2912
		2913	Sends an ext reply to the client.
		2914
		2915	=cut
		2916
		2917	sub cf::client::ext_reply($$@) {
		2918	my ($self, $id, @msg) = @_;
		2919
		2920	if ($self->extcmd == 2) {
		2921	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2922	} elsif ($self->extcmd == 1) {
		2923	#TODO: version 1, remove
		2924	unshift @msg, msgtype => "reply", msgid => $id;
		2925	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2926	}
		2927	}
1954		2928
1955	=item $success = $client->query ($flags, "text", \&cb)	2929	=item $success = $client->query ($flags, "text", \&cb)
1956		2930
1957	Queues a query to the client, calling the given callback with	2931	Queues a query to the client, calling the given callback with
1958	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2932	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1959	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2933	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1960		2934
1961	Queries can fail, so check the return code. Or don't, as queries will become	2935	Queries can fail, so check the return code. Or don't, as queries will
1962	reliable at some point in the future.	2936	become reliable at some point in the future.
1963		2937
1964	=cut	2938	=cut
1965		2939
1966	sub cf::client::query {	2940	sub cf::client::query {
1967	my ($self, $flags, $text, $cb) = @_;	2941	my ($self, $flags, $text, $cb) = @_;
…		…
1975	utf8::encode $text;	2949	utf8::encode $text;
1976	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2950	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1977		2951
1978	$self->send_packet ($self->{query_queue}[0][0])	2952	$self->send_packet ($self->{query_queue}[0][0])
1979	if @{ $self->{query_queue} } == 1;	2953	if @{ $self->{query_queue} } == 1;
		2954
		2955	1
1980	}	2956	}
1981		2957
1982	cf::client->attach (	2958	cf::client->attach (
		2959	on_connect => sub {
		2960	my ($ns) = @_;
		2961
		2962	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2963	},
1983	on_reply => sub {	2964	on_reply => sub {
1984	my ($ns, $msg) = @_;	2965	my ($ns, $msg) = @_;
1985		2966
1986	# this weird shuffling is so that direct followup queries	2967	# this weird shuffling is so that direct followup queries
1987	# get handled first	2968	# get handled first
1988	my $queue = delete $ns->{query_queue}	2969	my $queue = delete $ns->{query_queue}
1989	or return; # be conservative, not sure how that can happen, but we saw a crash here	2970	or return; # be conservative, not sure how that can happen, but we saw a crash here
1990		2971
1991	(shift @$queue)->[1]->($msg);	2972	(shift @$queue)->[1]->($msg);
		2973	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1992		2974
1993	push @{ $ns->{query_queue} }, @$queue;	2975	push @{ $ns->{query_queue} }, @$queue;
1994		2976
1995	if (@{ $ns->{query_queue} } == @$queue) {	2977	if (@{ $ns->{query_queue} } == @$queue) {
1996	if (@$queue) {	2978	if (@$queue) {
…		…
1998	} else {	2980	} else {
1999	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2981	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2000	}	2982	}
2001	}	2983	}
2002	},	2984	},
		2985	on_exticmd => sub {
		2986	my ($ns, $buf) = @_;
		2987
		2988	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2989
		2990	if (ref $msg) {
		2991	my ($type, $reply, @payload) =
		2992	"ARRAY" eq ref $msg
		2993	? @$msg
		2994	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2995
		2996	my @reply;
		2997
		2998	if (my $cb = $EXTICMD{$type}) {
		2999	@reply = $cb->($ns, @payload);
		3000	}
		3001
		3002	$ns->ext_reply ($reply, @reply)
		3003	if $reply;
		3004
		3005	} else {
		3006	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3007	}
		3008
		3009	cf::override;
		3010	},
2003	);	3011	);
2004		3012
2005	=item $client->async (\&cb)	3013	=item $client->async (\&cb)
2006		3014
2007	Create a new coroutine, running the specified callback. The coroutine will	3015	Create a new coroutine, running the specified callback. The coroutine will
…		…
2048	our $safe = new Safe "safe";	3056	our $safe = new Safe "safe";
2049	our $safe_hole = new Safe::Hole;	3057	our $safe_hole = new Safe::Hole;
2050		3058
2051	$SIG{FPE} = 'IGNORE';	3059	$SIG{FPE} = 'IGNORE';
2052		3060
2053	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3061	$safe->permit_only (Opcode::opset qw(
		3062	:base_core :base_mem :base_orig :base_math
		3063	grepstart grepwhile mapstart mapwhile
		3064	sort time
		3065	));
2054		3066
2055	# here we export the classes and methods available to script code	3067	# here we export the classes and methods available to script code
2056		3068
2057	=pod	3069	=pod
2058		3070
2059	The following fucntions and emthods are available within a safe environment:	3071	The following functions and methods are available within a safe environment:
2060		3072
2061	cf::object contr pay_amount pay_player map	3073	cf::object
		3074	contr pay_amount pay_player map x y force_find force_add destroy
		3075	insert remove name archname title slaying race decrease_ob_nr
		3076
2062	cf::object::player player	3077	cf::object::player
2063	cf::player peaceful	3078	player
2064	cf::map trigger	3079
		3080	cf::player
		3081	peaceful
		3082
		3083	cf::map
		3084	trigger
2065		3085
2066	=cut	3086	=cut
2067		3087
2068	for (	3088	for (
2069	["cf::object" => qw(contr pay_amount pay_player map)],	3089	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3090	insert remove inv name archname title slaying race
		3091	decrease_ob_nr destroy)],
2070	["cf::object::player" => qw(player)],	3092	["cf::object::player" => qw(player)],
2071	["cf::player" => qw(peaceful)],	3093	["cf::player" => qw(peaceful)],
2072	["cf::map" => qw(trigger)],	3094	["cf::map" => qw(trigger)],
2073	) {	3095	) {
2074	no strict 'refs';	3096	no strict 'refs';
…		…
2145	=back	3167	=back
2146		3168
2147	=cut	3169	=cut
2148		3170
2149	#############################################################################	3171	#############################################################################
		3172	# the server's init and main functions
2150		3173
2151	=head2 EXTENSION DATABASE SUPPORT	3174	sub load_facedata($) {
		3175	my ($path) = @_;
2152		3176
2153	Crossfire maintains a very simple database for extension use. It can	3177	# HACK to clear player env face cache, we need some signal framework
2154	currently store anything that can be serialised using Storable, which	3178	# for this (global event?)
2155	excludes objects.	3179	%ext::player_env::MUSIC_FACE_CACHE = ();
2156		3180
2157	The parameter C<$family> should best start with the name of the extension	3181	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2158	using it, it should be unique.
2159		3182
2160	=over 4	3183	warn "loading facedata from $path\n";
2161		3184
2162	=item $hashref = cf::db_get $family	3185	my $facedata;
		3186	0 < aio_load $path, $facedata
		3187	or die "$path: $!";
2163		3188
2164	Return a hashref for use by the extension C<$family>, which can be	3189	$facedata = Coro::Storable::thaw $facedata;
2165	modified. After modifications, you have to call C<cf::db_dirty> or
2166	C<cf::db_sync>.
2167		3190
2168	=item $value = cf::db_get $family => $key	3191	$facedata->{version} == 2
		3192	or cf::cleanup "$path: version mismatch, cannot proceed.";
2169		3193
2170	Returns a single value from the database	3194	# patch in the exptable
2171		3195	$facedata->{resource}{"res/exp_table"} = {
2172	=item cf::db_put $family => $hashref	3196	type => FT_RSRC,
2173		3197	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2174	Stores the given family hashref into the database. Updates are delayed, if
2175	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2176
2177	=item cf::db_put $family => $key => $value
2178
2179	Stores the given C<$value> in the family hash. Updates are delayed, if you
2180	want the data to be synced to disk immediately, use C<cf::db_sync>.
2181
2182	=item cf::db_dirty
2183
2184	Marks the database as dirty, to be updated at a later time.
2185
2186	=item cf::db_sync
2187
2188	Immediately write the database to disk I<if it is dirty>.
2189
2190	=cut
2191
2192	our $DB;
2193
2194	{
2195	my $path = cf::localdir . "/database.pst";
2196
2197	sub db_load() {
2198	$DB = stat $path ? Storable::retrieve $path : { };
2199	}	3198	};
		3199	cf::cede_to_tick;
2200		3200
2201	my $pid;
2202
2203	sub db_save() {
2204	waitpid $pid, 0 if $pid;
2205	if (0 == ($pid = fork)) {
2206	$DB->{_meta}{version} = 1;
2207	Storable::nstore $DB, "$path~";
2208	rename "$path~", $path;
2209	cf::_exit 0 if defined $pid;
2210	}
2211	}	3201	{
		3202	my $faces = $facedata->{faceinfo};
2212		3203
2213	my $dirty;	3204	while (my ($face, $info) = each %$faces) {
		3205	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2214		3206
2215	sub db_sync() {	3207	cf::face::set_visibility $idx, $info->{visibility};
2216	db_save if $dirty;	3208	cf::face::set_magicmap $idx, $info->{magicmap};
2217	undef $dirty;	3209	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2218	}	3210	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2219		3211
2220	my $idle = Event->idle (	3212	cf::cede_to_tick;
2221	reentrant => 0,
2222	min => 10,
2223	max => 20,
2224	repeat => 0,
2225	data => WF_AUTOCANCEL,
2226	cb => \&db_sync,
2227	);
2228
2229	sub db_dirty() {
2230	$dirty = 1;
2231	$idle->start;
2232	}
2233
2234	sub db_get($;$) {
2235	@_ >= 2
2236	? $DB->{$_[0]}{$_[1]}
2237	: ($DB->{$_[0]} ||= { })
2238	}
2239
2240	sub db_put($$;$) {
2241	if (@_ >= 3) {
2242	$DB->{$_[0]}{$_[1]} = $_[2];
2243	} else {
2244	$DB->{$_[0]} = $_[1];
2245	}
2246	db_dirty;
2247	}
2248
2249	cf::global->attach (
2250	prio => 10000,
2251	on_cleanup => sub {
2252	db_sync;
2253	},	3213	}
2254	);
2255	}
2256		3214
2257	#############################################################################	3215	while (my ($face, $info) = each %$faces) {
2258	# the server's main()	3216	next unless $info->{smooth};
2259		3217
2260	sub cfg_load {	3218	my $idx = cf::face::find $face
		3219	or next;
		3220
		3221	if (my $smooth = cf::face::find $info->{smooth}) {
		3222	cf::face::set_smooth $idx, $smooth;
		3223	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3224	} else {
		3225	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3226	}
		3227
		3228	cf::cede_to_tick;
		3229	}
		3230	}
		3231
		3232	{
		3233	my $anims = $facedata->{animinfo};
		3234
		3235	while (my ($anim, $info) = each %$anims) {
		3236	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3237	cf::cede_to_tick;
		3238	}
		3239
		3240	cf::anim::invalidate_all; # d'oh
		3241	}
		3242
		3243	{
		3244	# TODO: for gcfclient pleasure, we should give resources
		3245	# that gcfclient doesn't grok a >10000 face index.
		3246	my $res = $facedata->{resource};
		3247
		3248	while (my ($name, $info) = each %$res) {
		3249	if (defined $info->{type}) {
		3250	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3251	my $data;
		3252
		3253	if ($info->{type} & 1) {
		3254	# prepend meta info
		3255
		3256	my $meta = $enc->encode ({
		3257	name => $name,
		3258	%{ $info->{meta} || {} },
		3259	});
		3260
		3261	$data = pack "(w/a*)*", $meta, $info->{data};
		3262	} else {
		3263	$data = $info->{data};
		3264	}
		3265
		3266	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3267	cf::face::set_type $idx, $info->{type};
		3268	} else {
		3269	$RESOURCE{$name} = $info;
		3270	}
		3271
		3272	cf::cede_to_tick;
		3273	}
		3274	}
		3275
		3276	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3277
		3278	1
		3279	}
		3280
		3281	cf::global->attach (on_resource_update => sub {
		3282	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3283	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3284
		3285	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3286	my $sound = $soundconf->{compat}[$_]
		3287	or next;
		3288
		3289	my $face = cf::face::find "sound/$sound->[1]";
		3290	cf::sound::set $sound->[0] => $face;
		3291	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3292	}
		3293
		3294	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3295	my $face = cf::face::find "sound/$v";
		3296	cf::sound::set $k => $face;
		3297	}
		3298	}
		3299	});
		3300
		3301	register_exticmd fx_want => sub {
		3302	my ($ns, $want) = @_;
		3303
		3304	while (my ($k, $v) = each %$want) {
		3305	$ns->fx_want ($k, $v);
		3306	}
		3307	};
		3308
		3309	sub reload_regions {
		3310	# HACK to clear player env face cache, we need some signal framework
		3311	# for this (global event?)
		3312	%ext::player_env::MUSIC_FACE_CACHE = ();
		3313
		3314	load_resource_file "$MAPDIR/regions"
		3315	or die "unable to load regions file\n";
		3316
		3317	for (cf::region::list) {
		3318	$_->{match} = qr/$_->{match}/
		3319	if exists $_->{match};
		3320	}
		3321	}
		3322
		3323	sub reload_facedata {
		3324	load_facedata "$DATADIR/facedata"
		3325	or die "unable to load facedata\n";
		3326	}
		3327
		3328	sub reload_archetypes {
		3329	load_resource_file "$DATADIR/archetypes"
		3330	or die "unable to load archetypes\n";
		3331	#d# NEED to laod twice to resolve forward references
		3332	# this really needs to be done in an extra post-pass
		3333	# (which needs to be synchronous, so solve it differently)
		3334	load_resource_file "$DATADIR/archetypes"
		3335	or die "unable to load archetypes\n";
		3336	}
		3337
		3338	sub reload_treasures {
		3339	load_resource_file "$DATADIR/treasures"
		3340	or die "unable to load treasurelists\n";
		3341	}
		3342
		3343	sub reload_resources {
		3344	warn "reloading resource files...\n";
		3345
		3346	reload_regions;
		3347	reload_facedata;
		3348	#reload_archetypes;#d#
		3349	reload_archetypes;
		3350	reload_treasures;
		3351
		3352	warn "finished reloading resource files\n";
		3353	}
		3354
		3355	sub init {
		3356	reload_resources;
		3357	}
		3358
		3359	sub reload_config {
2261	open my $fh, "<:utf8", cf::confdir . "/config"	3360	open my $fh, "<:utf8", "$CONFDIR/config"
2262	or return;	3361	or return;
2263		3362
2264	local $/;	3363	local $/;
2265	*CFG = YAML::Syck::Load <$fh>;	3364	*CFG = YAML::Load <$fh>;
2266		3365
2267	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3366	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2268		3367
2269	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3368	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2270	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3369	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2281	sub main {	3380	sub main {
2282	# we must not ever block the main coroutine	3381	# we must not ever block the main coroutine
2283	local $Coro::idle = sub {	3382	local $Coro::idle = sub {
2284	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3383	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2285	(async {	3384	(async {
2286	Event::one_event;	3385	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3386	EV::loop EV::LOOP_ONESHOT;
2287	})->prio (Coro::PRIO_MAX);	3387	})->prio (Coro::PRIO_MAX);
2288	};	3388	};
2289		3389
2290	cfg_load;	3390	reload_config;
2291	db_load;	3391	db_init;
2292	load_extensions;	3392	load_extensions;
2293		3393
2294	$TICK_WATCHER->start;	3394	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3395	evthread_start IO::AIO::poll_fileno;
2295	Event::loop;	3396	EV::loop;
2296	}	3397	}
2297		3398
2298	#############################################################################	3399	#############################################################################
2299	# initialisation and cleanup	3400	# initialisation and cleanup
2300		3401
2301	# install some emergency cleanup handlers	3402	# install some emergency cleanup handlers
2302	BEGIN {	3403	BEGIN {
		3404	our %SIGWATCHER = ();
2303	for my $signal (qw(INT HUP TERM)) {	3405	for my $signal (qw(INT HUP TERM)) {
2304	Event->signal (	3406	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2305	reentrant => 0,
2306	data => WF_AUTOCANCEL,
2307	signal => $signal,
2308	prio => 0,
2309	cb => sub {
2310	cf::cleanup "SIG$signal";	3407	cf::cleanup "SIG$signal";
2311	},
2312	);	3408	};
		3409	}
		3410	}
		3411
		3412	sub write_runtime_sync {
		3413	my $runtime = "$LOCALDIR/runtime";
		3414
		3415	# first touch the runtime file to show we are still running:
		3416	# the fsync below can take a very very long time.
		3417
		3418	IO::AIO::aio_utime $runtime, undef, undef;
		3419
		3420	my $guard = cf::lock_acquire "write_runtime";
		3421
		3422	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3423	or return;
		3424
		3425	my $value = $cf::RUNTIME + 90 + 10;
		3426	# 10 is the runtime save interval, for a monotonic clock
		3427	# 60 allows for the watchdog to kill the server.
		3428
		3429	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3430	and return;
		3431
		3432	# always fsync - this file is important
		3433	aio_fsync $fh
		3434	and return;
		3435
		3436	# touch it again to show we are up-to-date
		3437	aio_utime $fh, undef, undef;
		3438
		3439	close $fh
		3440	or return;
		3441
		3442	aio_rename "$runtime~", $runtime
		3443	and return;
		3444
		3445	warn "runtime file written.\n";
		3446
2313	}	3447	1
		3448	}
		3449
		3450	our $uuid_lock;
		3451	our $uuid_skip;
		3452
		3453	sub write_uuid_sync($) {
		3454	$uuid_skip ||= $_[0];
		3455
		3456	return if $uuid_lock;
		3457	local $uuid_lock = 1;
		3458
		3459	my $uuid = "$LOCALDIR/uuid";
		3460
		3461	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3462	or return;
		3463
		3464	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3465	$uuid_skip = 0;
		3466
		3467	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3468	and return;
		3469
		3470	# always fsync - this file is important
		3471	aio_fsync $fh
		3472	and return;
		3473
		3474	close $fh
		3475	or return;
		3476
		3477	aio_rename "$uuid~", $uuid
		3478	and return;
		3479
		3480	warn "uuid file written ($value).\n";
		3481
		3482	1
		3483
		3484	}
		3485
		3486	sub write_uuid($$) {
		3487	my ($skip, $sync) = @_;
		3488
		3489	$sync ? write_uuid_sync $skip
		3490	: async { write_uuid_sync $skip };
2314	}	3491	}
2315		3492
2316	sub emergency_save() {	3493	sub emergency_save() {
2317	my $freeze_guard = cf::freeze_mainloop;	3494	my $freeze_guard = cf::freeze_mainloop;
2318		3495
…		…
2324	# and maps saved/destroyed asynchronously.	3501	# and maps saved/destroyed asynchronously.
2325	warn "begin emergency player save\n";	3502	warn "begin emergency player save\n";
2326	for my $login (keys %cf::PLAYER) {	3503	for my $login (keys %cf::PLAYER) {
2327	my $pl = $cf::PLAYER{$login} or next;	3504	my $pl = $cf::PLAYER{$login} or next;
2328	$pl->valid or next;	3505	$pl->valid or next;
		3506	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2329	$pl->save;	3507	$pl->save;
2330	}	3508	}
2331	warn "end emergency player save\n";	3509	warn "end emergency player save\n";
2332		3510
2333	warn "begin emergency map save\n";	3511	warn "begin emergency map save\n";
…		…
2335	my $map = $cf::MAP{$path} or next;	3513	my $map = $cf::MAP{$path} or next;
2336	$map->valid or next;	3514	$map->valid or next;
2337	$map->save;	3515	$map->save;
2338	}	3516	}
2339	warn "end emergency map save\n";	3517	warn "end emergency map save\n";
		3518
		3519	warn "begin emergency database checkpoint\n";
		3520	BDB::db_env_txn_checkpoint $DB_ENV;
		3521	warn "end emergency database checkpoint\n";
		3522
		3523	warn "begin write uuid\n";
		3524	write_uuid_sync 1;
		3525	warn "end write uuid\n";
2340	};	3526	};
2341		3527
2342	warn "leave emergency perl save\n";	3528	warn "leave emergency perl save\n";
2343	}	3529	}
2344		3530
		3531	sub post_cleanup {
		3532	my ($make_core) = @_;
		3533
		3534	warn Carp::longmess "post_cleanup backtrace"
		3535	if $make_core;
		3536	}
		3537
2345	sub reload() {	3538	sub do_reload_perl() {
2346	# can/must only be called in main	3539	# can/must only be called in main
2347	if ($Coro::current != $Coro::main) {	3540	if ($Coro::current != $Coro::main) {
2348	warn "can only reload from main coroutine";	3541	warn "can only reload from main coroutine";
2349	return;	3542	return;
2350	}	3543	}
2351		3544
2352	warn "reloading...";	3545	warn "reloading...";
2353		3546
2354	warn "cancelling server ticker";	3547	warn "entering sync_job";
2355	$TICK_WATCHER->cancel;
2356		3548
		3549	cf::sync_job {
		3550	cf::write_runtime_sync; # external watchdog should not bark
2357	cf::emergency_save;	3551	cf::emergency_save;
		3552	cf::write_runtime_sync; # external watchdog should not bark
2358		3553
2359	eval {	3554	warn "syncing database to disk";
		3555	BDB::db_env_txn_checkpoint $DB_ENV;
		3556
2360	# if anything goes wrong in here, we should simply crash as we already saved	3557	# if anything goes wrong in here, we should simply crash as we already saved
2361
2362	warn "syncing database to disk";
2363	cf::db_sync;
2364
2365	warn "cancelling all WF_AUTOCANCEL watchers";
2366	for (Event::all_watchers) {
2367	$_->cancel if $_->data & WF_AUTOCANCEL;
2368	}
2369		3558
2370	warn "flushing outstanding aio requests";	3559	warn "flushing outstanding aio requests";
2371	for (;;) {	3560	for (;;) {
		3561	BDB::flush;
2372	IO::AIO::flush;	3562	IO::AIO::flush;
2373	Coro::cede;	3563	Coro::cede_notself;
2374	last unless IO::AIO::nreqs;	3564	last unless IO::AIO::nreqs || BDB::nreqs;
2375	warn "iterate...";	3565	warn "iterate...";
2376	}	3566	}
		3567
		3568	++$RELOAD;
2377		3569
2378	warn "cancelling all extension coros";	3570	warn "cancelling all extension coros";
2379	$_->cancel for values %EXT_CORO;	3571	$_->cancel for values %EXT_CORO;
2380	%EXT_CORO = ();	3572	%EXT_CORO = ();
2381		3573
2382	warn "removing commands";	3574	warn "removing commands";
2383	%COMMAND = ();	3575	%COMMAND = ();
2384		3576
2385	warn "removing ext commands";	3577	warn "removing ext/exti commands";
2386	%EXTCMD = ();	3578	%EXTCMD = ();
		3579	%EXTICMD = ();
2387		3580
2388	warn "unloading/nuking all extensions";	3581	warn "unloading/nuking all extensions";
2389	for my $pkg (@EXTS) {	3582	for my $pkg (@EXTS) {
2390	warn "... unloading $pkg";	3583	warn "... unloading $pkg";
2391		3584
…		…
2421	Symbol::delete_package "safe::$_"	3614	Symbol::delete_package "safe::$_"
2422	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3615	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2423		3616
2424	warn "unloading cf.pm \"a bit\"";	3617	warn "unloading cf.pm \"a bit\"";
2425	delete $INC{"cf.pm"};	3618	delete $INC{"cf.pm"};
		3619	delete $INC{"cf/pod.pm"};
2426		3620
2427	# don't, removes xs symbols, too,	3621	# don't, removes xs symbols, too,
2428	# and global variables created in xs	3622	# and global variables created in xs
2429	#Symbol::delete_package __PACKAGE__;	3623	#Symbol::delete_package __PACKAGE__;
2430		3624
…		…
2433	warn "reloading cf.pm";	3627	warn "reloading cf.pm";
2434	require cf;	3628	require cf;
2435	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3629	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2436		3630
2437	warn "loading config and database again";	3631	warn "loading config and database again";
2438	cf::cfg_load;	3632	cf::reload_config;
2439	cf::db_load;
2440		3633
2441	warn "loading extensions";	3634	warn "loading extensions";
2442	cf::load_extensions;	3635	cf::load_extensions;
2443		3636
2444	warn "reattaching attachments to objects/players";	3637	warn "reattaching attachments to objects/players";
2445	_global_reattach;	3638	_global_reattach; # objects, sockets
2446	warn "reattaching attachments to maps";	3639	warn "reattaching attachments to maps";
2447	reattach $_ for values %MAP;	3640	reattach $_ for values %MAP;
		3641	warn "reattaching attachments to players";
		3642	reattach $_ for values %PLAYER;
2448		3643
2449	warn "restarting server ticker";	3644	warn "leaving sync_job";
2450		3645
2451	$TICK_WATCHER->start;	3646	1
		3647	} or do {
		3648	warn $@;
		3649	cf::cleanup "error while reloading, exiting.";
2452	};	3650	};
2453
2454	if ($@) {
2455	warn $@;
2456	warn "error while reloading, exiting.";
2457	exit 1;
2458	}
2459		3651
2460	warn "reloaded";	3652	warn "reloaded";
2461	};	3653	};
2462		3654
2463	our $RELOAD_WATCHER; # used only during reload	3655	our $RELOAD_WATCHER; # used only during reload
2464		3656
		3657	sub reload_perl() {
		3658	# doing reload synchronously and two reloads happen back-to-back,
		3659	# coro crashes during coro_state_free->destroy here.
		3660
		3661	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3662	do_reload_perl;
		3663	undef $RELOAD_WATCHER;
		3664	};
		3665	}
		3666
2465	register_command "reload" => sub {	3667	register_command "reload" => sub {
2466	my ($who, $arg) = @_;	3668	my ($who, $arg) = @_;
2467		3669
2468	if ($who->flag (FLAG_WIZ)) {	3670	if ($who->flag (FLAG_WIZ)) {
2469	$who->message ("reloading server.");	3671	$who->message ("reloading server.");
2470		3672	async {
2471	# doing reload synchronously and two reloads happen back-to-back,	3673	$Coro::current->{desc} = "perl_reload";
2472	# coro crashes during coro_state_free->destroy here.
2473
2474	$RELOAD_WATCHER ||= Event->timer (
2475	reentrant => 0,
2476	after => 0,
2477	data => WF_AUTOCANCEL,
2478	cb => sub {
2479	reload;	3674	reload_perl;
2480	undef $RELOAD_WATCHER;
2481	},
2482	);	3675	};
2483	}	3676	}
2484	};	3677	};
2485		3678
2486	unshift @INC, $LIBDIR;	3679	unshift @INC, $LIBDIR;
2487		3680
2488	my $bug_warning = 0;	3681	my $bug_warning = 0;
2489		3682
2490	$TICK_WATCHER = Event->timer (	3683	our @WAIT_FOR_TICK;
2491	reentrant => 0,	3684	our @WAIT_FOR_TICK_BEGIN;
2492	parked => 1,	3685
2493	prio => 0,	3686	sub wait_for_tick {
2494	at => $NEXT_TICK || $TICK,	3687	return if tick_inhibit;
2495	data => WF_AUTOCANCEL,	3688	return if $Coro::current == $Coro::main;
2496	cb => sub {	3689
		3690	my $signal = new Coro::Signal;
		3691	push @WAIT_FOR_TICK, $signal;
		3692	$signal->wait;
		3693	}
		3694
		3695	sub wait_for_tick_begin {
		3696	return if tick_inhibit;
		3697	return if $Coro::current == $Coro::main;
		3698
		3699	my $signal = new Coro::Signal;
		3700	push @WAIT_FOR_TICK_BEGIN, $signal;
		3701	$signal->wait;
		3702	}
		3703
		3704	sub tick {
2497	if ($Coro::current != $Coro::main) {	3705	if ($Coro::current != $Coro::main) {
2498	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3706	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2499	unless ++$bug_warning > 10;	3707	unless ++$bug_warning > 10;
2500	return;	3708	return;
2501	}	3709	}
2502		3710
2503	$NOW = Event::time;
2504
2505	cf::server_tick; # one server iteration	3711	cf::server_tick; # one server iteration
2506	$RUNTIME += $TICK;
2507	$NEXT_TICK += $TICK;
2508		3712
2509	$WAIT_FOR_TICK->broadcast;	3713	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2510	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3714	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2511		3715	Coro::async_pool {
2512	Event::sweep;	3716	$Coro::current->{desc} = "runtime saver";
2513	Coro::cede_notself;
2514
2515	# my $AFTER = Event::time;
2516	# warn $AFTER - $NOW;#d#
2517
2518	# if we are delayed by four ticks or more, skip them all
2519	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2520
2521	$TICK_WATCHER->at ($NEXT_TICK);
2522	$TICK_WATCHER->start;
2523	},
2524	);
2525
2526	IO::AIO::max_poll_time $TICK * 0.1;
2527
2528	undef $Coro::AIO::WATCHER;
2529	$AIO_POLL_WATCHER = Event->io (
2530	reentrant => 0,
2531	fd => IO::AIO::poll_fileno,
2532	poll => 'r',
2533	prio => 6,
2534	data => WF_AUTOCANCEL,
2535	cb => \&IO::AIO::poll_cb,
2536	);
2537
2538	$WRITE_RUNTIME_WATCHER = Event->timer (
2539	reentrant => 0,
2540	data => WF_AUTOCANCEL,
2541	after => 1,
2542	interval => 10,
2543	prio => 6, # keep it lowest so it acts like a watchdog
2544	cb => Coro::unblock_sub {
2545	write_runtime	3717	write_runtime_sync
2546	or warn "ERROR: unable to write runtime file: $!";	3718	or warn "ERROR: unable to write runtime file: $!";
		3719	};
2547	},	3720	}
2548	);	3721
		3722	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3723	$sig->send;
		3724	}
		3725	while (my $sig = shift @WAIT_FOR_TICK) {
		3726	$sig->send;
		3727	}
		3728
		3729	$LOAD = ($NOW - $TICK_START) / $TICK;
		3730	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3731
		3732	if (0) {
		3733	if ($NEXT_TICK) {
		3734	my $jitter = $TICK_START - $NEXT_TICK;
		3735	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3736	warn "jitter $JITTER\n";#d#
		3737	}
		3738	}
		3739	}
		3740
		3741	{
		3742	# configure BDB
		3743
		3744	BDB::min_parallel 8;
		3745	BDB::max_poll_reqs $TICK * 0.1;
		3746	$Coro::BDB::WATCHER->priority (1);
		3747
		3748	unless ($DB_ENV) {
		3749	$DB_ENV = BDB::db_env_create;
		3750	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3751	| BDB::LOG_AUTOREMOVE, 1);
		3752	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3753	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3754
		3755	cf::sync_job {
		3756	eval {
		3757	BDB::db_env_open
		3758	$DB_ENV,
		3759	$BDBDIR,
		3760	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3761	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3762	0666;
		3763
		3764	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3765	};
		3766
		3767	cf::cleanup "db_env_open(db): $@" if $@;
		3768	};
		3769	}
		3770
		3771	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3772	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3773	};
		3774	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3775	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3776	};
		3777	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3778	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3779	};
		3780	}
		3781
		3782	{
		3783	# configure IO::AIO
		3784
		3785	IO::AIO::min_parallel 8;
		3786	IO::AIO::max_poll_time $TICK * 0.1;
		3787	$Coro::AIO::WATCHER->priority (1);
		3788	}
		3789
		3790	my $_log_backtrace;
		3791
		3792	sub _log_backtrace {
		3793	my ($msg, @addr) = @_;
		3794
		3795	$msg =~ s/\n//;
		3796
		3797	# limit the # of concurrent backtraces
		3798	if ($_log_backtrace < 2) {
		3799	++$_log_backtrace;
		3800	async {
		3801	$Coro::current->{desc} = "abt $msg";
		3802
		3803	my @bt = fork_call {
		3804	@addr = map { sprintf "%x", $_ } @addr;
		3805	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3806	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3807	or die "addr2line: $!";
		3808
		3809	my @funcs;
		3810	my @res = <$fh>;
		3811	chomp for @res;
		3812	while (@res) {
		3813	my ($func, $line) = splice @res, 0, 2, ();
		3814	push @funcs, "[$func] $line";
		3815	}
		3816
		3817	@funcs
		3818	};
		3819
		3820	LOG llevInfo, "[ABT] $msg\n";
		3821	LOG llevInfo, "[ABT] $_\n" for @bt;
		3822	--$_log_backtrace;
		3823	};
		3824	} else {
		3825	LOG llevInfo, "[ABT] $msg\n";
		3826	LOG llevInfo, "[ABT] [suppressed]\n";
		3827	}
		3828	}
		3829
		3830	# load additional modules
		3831	use cf::pod;
2549		3832
2550	END { cf::emergency_save }	3833	END { cf::emergency_save }
2551		3834
2552	1	3835	1
2553		3836

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