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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.205 by root, Mon Feb 5 18:29:20 2007 UTC vs.
Revision 1.419 by root, Sun Apr 13 01:34:09 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;
53	our $USE_FSYNC = 1; # use fsync to write maps - default off	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;
54		105
55	our %CFG;	106	our %CFG;
56		107
57	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
58	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
59		111
60	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
61	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
62	our $LINK_MAP; # the special {link} map, which is always available	114	our $LINK_MAP; # the special {link} map, which is always available
63	our $RANDOM_MAPS = cf::localdir . "/random";
64
65	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
66	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
67		115
68	# 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 ∕
69	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
70		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 $TICK_START; # for load detecting purposes
		123
71	binmode STDOUT;	124	binmode STDOUT;
72	binmode STDERR;	125	binmode STDERR;
73		126
74	# read virtual server time, if available	127	# read virtual server time, if available
75	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	128	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
76	open my $fh, "<", cf::localdir . "/runtime"	129	open my $fh, "<", "$LOCALDIR/runtime"
77	or die "unable to read runtime file: $!";	130	or die "unable to read runtime file: $!";
78	$RUNTIME = <$fh> + 0.;	131	$RUNTIME = <$fh> + 0.;
79	}	132	}
80		133
81	mkdir cf::localdir;	134	mkdir $_
82	mkdir cf::localdir . "/" . cf::playerdir;	135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
83	mkdir cf::localdir . "/" . cf::tmpdir;
84	mkdir cf::localdir . "/" . cf::uniquedir;
85	mkdir $RANDOM_MAPS;
86		136
87	our $EMERGENCY_POSITION;	137	our $EMERGENCY_POSITION;
88		138
89	sub cf::map::normalise;	139	sub cf::map::normalise;
90		140
…		…
101	=item $cf::RUNTIME	151	=item $cf::RUNTIME
102		152
103	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
104	every server tick.	154	every server tick.
105		155
106	=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
107		159
108	The perl library directory, where extensions and cf-specific modules can	160	Various directories - "/etc", read-only install directory, perl-library
109	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.
110		164
111	=item $cf::NOW	165	=item $cf::NOW
112		166
113	The time of the last (current) server tick.	167	The time of the last (current) server tick.
114		168
115	=item $cf::TICK	169	=item $cf::TICK
116		170
117	The interval between server ticks, in seconds.	171	The interval between server ticks, in seconds.
118		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
119	=item %cf::CFG	183	=item %cf::CFG
120		184
121	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
122	from wherever your confdir points to.	186	from wherever your confdir points to.
123		187
124	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
125		189
126	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
127	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
128	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.
129	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.
130		199
131	=back	200	=back
132		201
133	=cut	202	=cut
134		203
135	BEGIN {	204	BEGIN {
136	*CORE::GLOBAL::warn = sub {	205	*CORE::GLOBAL::warn = sub {
137	my $msg = join "", @_;	206	my $msg = join "", @_;
138	utf8::encode $msg;
139		207
140	$msg .= "\n"	208	$msg .= "\n"
141	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
142		210
		211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		212
143	LOG llevError, $msg;	213	LOG llevError, $msg;
144	};	214	};
145	}	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#?
146		231
147	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
148	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
149	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
150	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
151	@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';
152	@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)
153		239
154	# 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
155	# within the Safe compartment.	241	# within the Safe compartment.
156	for my $pkg (qw(	242	for my $pkg (qw(
157	cf::global cf::attachable	243	cf::global cf::attachable
…		…
162	)) {	248	)) {
163	no strict 'refs';	249	no strict 'refs';
164	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
165	}	251	}
166		252
167	$Event::DIED = sub {	253	$EV::DIED = sub {
168	warn "error in event callback: @_";	254	warn "error in event callback: @_";
169	};	255	};
		256
		257	#############################################################################
170		258
171	=head2 UTILITY FUNCTIONS	259	=head2 UTILITY FUNCTIONS
172		260
173	=over 4	261	=over 4
174		262
…		…
193	$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;
194	$d	282	$d
195	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
196	}	284	}
197		285
198	use JSON::Syck (); # TODO# replace by JSON::PC once working
199
200	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
201		287
202	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
203		289
204	=cut
205
206	sub from_json($) {
207	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
208	JSON::Syck::Load $_[0]
209	}
210
211	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
212		291
213	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
214		293
215	=cut	294	=cut
216		295
217	sub to_json($) {	296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
218	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	297
219	JSON::Syck::Dump $_[0]	298	sub encode_json($) { $json_coder->encode ($_[0]) }
220	}	299	sub decode_json($) { $json_coder->decode ($_[0]) }
221		300
222	=item cf::lock_wait $string	301	=item cf::lock_wait $string
223		302
224	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
225		304
…		…
228	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
229	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,
230	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
231	returned.	310	returned.
232		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
233	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
234	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
235		317
		318	=item $locked = cf::lock_active $string
		319
		320	Return true if the lock is currently active, i.e. somebody has locked it.
		321
236	=cut	322	=cut
237		323
238	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
239		326
240	sub lock_wait($) {	327	sub lock_wait($) {
241	my ($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#
242		334
243	# wait for lock, if any	335	# wait for lock, if any
244	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
245	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
246	Coro::schedule;	338	Coro::schedule;
…		…
252		344
253	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
254	lock_wait $key;	346	lock_wait $key;
255		347
256	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
257		350
258	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
259	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
260	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
261	}	355	}
262	}	356	}
263		357
		358	sub lock_active($) {
		359	my ($key) = @_;
		360
		361	! ! $LOCK{$key}
		362	}
		363
264	sub freeze_mainloop {	364	sub freeze_mainloop {
265	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
266		366
267	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
268	$TICK_WATCHER->start;	368	}
269	$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($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
		383	}
		384
		385	=item cf::get_slot $time[, $priority[, $name]]
		386
		387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		388	This call blocks and returns only when you have at least C<$time> seconds
		389	of cpu time till the next tick. The slot is only valid till the next cede.
		390
		391	The optional C<$name> can be used to identify the job to run. It might be
		392	used for statistical purposes and should identify the same time-class.
		393
		394	Useful for short background jobs.
		395
		396	=cut
		397
		398	our @SLOT_QUEUE;
		399	our $SLOT_QUEUE;
		400
		401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
		405	my $signal = new Coro::Signal;
		406
		407	while () {
		408	next_job:
		409	my $avail = cf::till_tick;
		410	if ($avail > 0.01) {
		411	for (0 .. $#SLOT_QUEUE) {
		412	if ($SLOT_QUEUE[$_][0] < $avail) {
		413	my $job = splice @SLOT_QUEUE, $_, 1, ();
		414	$job->[2]->send;
		415	Coro::cede;
		416	goto next_job;
		417	}
		418	}
		419	}
		420
		421	if (@SLOT_QUEUE) {
		422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		423	push @cf::WAIT_FOR_TICK, $signal;
		424	$signal->wait;
		425	} else {
		426	Coro::schedule;
		427	}
270	};	428	}
271	$WRITE_RUNTIME_WATCHER->stop;	429	};
272	$TICK_WATCHER->stop;	430
273	$guard	431	sub get_slot($;$$) {
		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	$sig->wait;
274	}	441	}
275		442
276	=item cf::async { BLOCK }	443	=item cf::async { BLOCK }
277		444
278	Currently the same as Coro::async_pool, meaning you cannot use	445	Currently the same as Coro::async_pool, meaning you cannot use
…		…
283		450
284	BEGIN { *async = \&Coro::async_pool }	451	BEGIN { *async = \&Coro::async_pool }
285		452
286	=item cf::sync_job { BLOCK }	453	=item cf::sync_job { BLOCK }
287		454
288	The design of crossfire+ requires that the main coro ($Coro::main) is	455	The design of Deliantra requires that the main coroutine ($Coro::main)
289	always able to handle events or runnable, as crossfire+ is only partly	456	is always able to handle events or runnable, as Deliantra is only
290	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	457	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		458	acceptable.
291		459
292	If it must be done, put the blocking parts into C<sync_job>. This will run	460	If it must be done, put the blocking parts into C<sync_job>. This will run
293	the given BLOCK in another coroutine while waiting for the result. The	461	the given BLOCK in another coroutine while waiting for the result. The
294	server will be frozen during this time, so the block should either finish	462	server will be frozen during this time, so the block should either finish
295	fast or be very important.	463	fast or be very important.
…		…
298		466
299	sub sync_job(&) {	467	sub sync_job(&) {
300	my ($job) = @_;	468	my ($job) = @_;
301		469
302	if ($Coro::current == $Coro::main) {	470	if ($Coro::current == $Coro::main) {
		471	my $time = EV::time;
		472
303	# this is the main coro, too bad, we have to block	473	# this is the main coro, too bad, we have to block
304	# till the operation succeeds, freezing the server :/	474	# till the operation succeeds, freezing the server :/
305		475
306	# TODO: use suspend/resume instead	476	LOG llevError, Carp::longmess "sync job";#d#
307	# (but this is cancel-safe)	477
308	my $freeze_guard = freeze_mainloop;	478	my $freeze_guard = freeze_mainloop;
309		479
310	my $busy = 1;	480	my $busy = 1;
311	my @res;	481	my @res;
312		482
313	(async {	483	(async {
		484	$Coro::current->desc ("sync job coro");
314	@res = eval { $job->() };	485	@res = eval { $job->() };
315	warn $@ if $@;	486	warn $@ if $@;
316	undef $busy;	487	undef $busy;
317	})->prio (Coro::PRIO_MAX);	488	})->prio (Coro::PRIO_MAX);
318		489
319	while ($busy) {	490	while ($busy) {
320	Coro::cede or Event::one_event;	491	if (Coro::nready) {
		492	Coro::cede_notself;
		493	} else {
		494	EV::loop EV::LOOP_ONESHOT;
321	}	495	}
		496	}
		497
		498	my $time = EV::time - $time;
		499
		500	$TICK_START += $time; # do not account sync jobs to server load
322		501
323	wantarray ? @res : $res[0]	502	wantarray ? @res : $res[0]
324	} else {	503	} else {
325	# we are in another coroutine, how wonderful, everything just works	504	# we are in another coroutine, how wonderful, everything just works
326		505
…		…
346	$EXT_CORO{$coro+0} = $coro;	525	$EXT_CORO{$coro+0} = $coro;
347		526
348	$coro	527	$coro
349	}	528	}
350		529
351	sub write_runtime {	530	=item fork_call { }, $args
352	my $runtime = cf::localdir . "/runtime";
353		531
354	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	532	Executes the given code block with the given arguments in a seperate
355	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.
356		536
357	my $value = $cf::RUNTIME + 90 + 10;	537	=cut
358	# 10 is the runtime save interval, for a monotonic clock
359	# 60 allows for the watchdog to kill the server.
360		538
361	(aio_write $fh, 0, (length $value), $value, 0) <= 0	539	sub fork_call(&@) {
362	and return;	540	my ($cb, @args) = @_;
363		541
364	# always fsync - this file is important	542	# we seemingly have to make a local copy of the whole thing,
365	aio_fsync $fh	543	# otherwise perl prematurely frees the stuff :/
366	and return;	544	# TODO: investigate and fix (likely this will be rather laborious)
367		545
368	close $fh	546	my @res = Coro::Util::fork_eval {
369	or return;	547	reset_signals;
		548	&$cb
		549	}, @args;
370		550
371	aio_rename "$runtime~", $runtime	551	wantarray ? @res : $res[-1]
372	and return;	552	}
373		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($$) {
		623	my $key = "$_[0]/$_[1]";
		624
		625	cf::sync_job {
		626	BDB::db_get $DB, undef, $key, my $data;
		627
		628	$! ? ()
		629	: $data
374	1	630	}
		631	}
		632
		633	sub db_put($$$) {
		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 });
375	}	717	}
376		718
377	=back	719	=back
378		720
379	=cut	721	=cut
…		…
386	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")
387	to it. All such attachable objects support the following methods.	729	to it. All such attachable objects support the following methods.
388		730
389	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>
390	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
391	crossfire+).	733	Deliantra).
392		734
393	=over 4	735	=over 4
394		736
395	=item $attachable->attach ($attachment, key => $value...)	737	=item $attachable->attach ($attachment, key => $value...)
396		738
…		…
559	$registry = $CB_TYPE[$object_type] ||= [];	901	$registry = $CB_TYPE[$object_type] ||= [];
560		902
561	} elsif ($type eq "subtype") {	903	} elsif ($type eq "subtype") {
562	defined $object_type or Carp::croak "subtype specified without type";	904	defined $object_type or Carp::croak "subtype specified without type";
563	my $object_subtype = shift @arg;	905	my $object_subtype = shift @arg;
564	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	906	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
565		907
566	} elsif ($type eq "package") {	908	} elsif ($type eq "package") {
567	my $pkg = shift @arg;	909	my $pkg = shift @arg;
568		910
569	while (my ($name, $id) = each %cb_id) {	911	while (my ($name, $id) = each %cb_id) {
…		…
598	_attach $registry, $klass, @attach;	940	_attach $registry, $klass, @attach;
599	}	941	}
600		942
601	$obj->{$name} = \%arg;	943	$obj->{$name} = \%arg;
602	} else {	944	} else {
603	warn "object uses attachment '$name' that is not available, postponing.\n";	945	warn "object uses attachment '$name' which is not available, postponing.\n";
604	}	946	}
605		947
606	$obj->{_attachment}{$name} = undef;	948	$obj->{_attachment}{$name} = undef;
607	}	949	}
608		950
…		…
610	if (ref $_[0]) {	952	if (ref $_[0]) {
611	_object_attach @_;	953	_object_attach @_;
612	} else {	954	} else {
613	_attach shift->_attach_registry, @_;	955	_attach shift->_attach_registry, @_;
614	}	956	}
		957	_recalc_want;
615	};	958	};
616		959
617	# all those should be optimised	960	# all those should be optimised
618	sub cf::attachable::detach {	961	sub cf::attachable::detach {
619	my ($obj, $name) = @_;	962	my ($obj, $name) = @_;
…		…
622	delete $obj->{_attachment}{$name};	965	delete $obj->{_attachment}{$name};
623	reattach ($obj);	966	reattach ($obj);
624	} else {	967	} else {
625	Carp::croak "cannot, currently, detach class attachments";	968	Carp::croak "cannot, currently, detach class attachments";
626	}	969	}
		970	_recalc_want;
627	};	971	};
628		972
629	sub cf::attachable::attached {	973	sub cf::attachable::attached {
630	my ($obj, $name) = @_;	974	my ($obj, $name) = @_;
631		975
…		…
646	";	990	";
647	die if $@;	991	die if $@;
648	}	992	}
649		993
650	our $override;	994	our $override;
651	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?
652		996
653	sub override {	997	sub override {
654	$override = 1;	998	$override = 1;
655	@invoke_results = ();	999	@INVOKE_RESULTS = (@_);
656	}	1000	}
657		1001
658	sub do_invoke {	1002	sub do_invoke {
659	my $event = shift;	1003	my $event = shift;
660	my $callbacks = shift;	1004	my $callbacks = shift;
661		1005
662	@invoke_results = ();	1006	@INVOKE_RESULTS = ();
663		1007
664	local $override;	1008	local $override;
665		1009
666	for (@$callbacks) {	1010	for (@$callbacks) {
667	eval { &{$_->[1]} };	1011	eval { &{$_->[1]} };
…		…
676	}	1020	}
677		1021
678	0	1022	0
679	}	1023	}
680		1024
681	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1025	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
682		1026
683	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
684		1028
685	Generate an object-specific event with the given arguments.	1029	Generate an object-specific event with the given arguments.
686		1030
687	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
688	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
689	results (if you must, access C<@cf::invoke_results> directly).	1033	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
690		1034
691	=back	1035	=back
692		1036
693	=cut	1037	=cut
694		1038
695	#############################################################################	1039	#############################################################################
696	# 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, $ob2
		1082	}
697		1083
698	sub reattach {	1084	sub reattach {
699	# basically do the same as instantiate, without calling instantiate	1085	# basically do the same as instantiate, without calling instantiate
700	my ($obj) = @_;	1086	my ($obj) = @_;
701		1087
…		…
722	cf::attachable->attach (	1108	cf::attachable->attach (
723	prio => -1000000,	1109	prio => -1000000,
724	on_instantiate => sub {	1110	on_instantiate => sub {
725	my ($obj, $data) = @_;	1111	my ($obj, $data) = @_;
726		1112
727	$data = from_json $data;	1113	$data = decode_json $data;
728		1114
729	for (@$data) {	1115	for (@$data) {
730	my ($name, $args) = @$_;	1116	my ($name, $args) = @$_;
731		1117
732	$obj->attach ($name, %{$args || {} });	1118	$obj->attach ($name, %{$args || {} });
…		…
748	sub object_freezer_save {	1134	sub object_freezer_save {
749	my ($filename, $rdata, $objs) = @_;	1135	my ($filename, $rdata, $objs) = @_;
750		1136
751	sync_job {	1137	sync_job {
752	if (length $$rdata) {	1138	if (length $$rdata) {
		1139	utf8::decode (my $decname = $filename);
753	warn sprintf "saving %s (%d,%d)\n",	1140	warn sprintf "saving %s (%d,%d)\n",
754	$filename, length $$rdata, scalar @$objs;	1141	$decname, length $$rdata, scalar @$objs;
755		1142
756	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1143	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
757	chmod SAVE_MODE, $fh;	1144	chmod SAVE_MODE, $fh;
758	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1145	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
759	aio_fsync $fh if $cf::USE_FSYNC;	1146	aio_fsync $fh if $cf::USE_FSYNC;
760	close $fh;	1147	close $fh;
761		1148
762	if (@$objs) {	1149	if (@$objs) {
763	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) {
764	chmod SAVE_MODE, $fh;	1151	chmod SAVE_MODE, $fh;
765	my $data = Storable::nfreeze { version => 1, objs => $objs };	1152	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
766	aio_write $fh, 0, (length $data), $data, 0;	1153	aio_write $fh, 0, (length $data), $data, 0;
767	aio_fsync $fh if $cf::USE_FSYNC;	1154	aio_fsync $fh if $cf::USE_FSYNC;
768	close $fh;	1155	close $fh;
769	aio_rename "$filename.pst~", "$filename.pst";	1156	aio_rename "$filename.pst~", "$filename.pst";
770	}	1157	}
…		…
778	}	1165	}
779	} else {	1166	} else {
780	aio_unlink $filename;	1167	aio_unlink $filename;
781	aio_unlink "$filename.pst";	1168	aio_unlink "$filename.pst";
782	}	1169	}
783
784	#d##TODO# nuke non .map-files if exist
785	if ($filename =~ s/\.map$//) {
786	aio_unlink $filename;
787	aio_unlink "$filename.pst";
788	}
789	}	1170	};
790	}	1171	}
791		1172
792	sub object_freezer_as_string {	1173	sub object_freezer_as_string {
793	my ($rdata, $objs) = @_;	1174	my ($rdata, $objs) = @_;
794		1175
…		…
799		1180
800	sub object_thawer_load {	1181	sub object_thawer_load {
801	my ($filename) = @_;	1182	my ($filename) = @_;
802		1183
803	my ($data, $av);	1184	my ($data, $av);
804
805	#d#TODO remove .map if file does not exist
806	aio_stat $filename and $filename =~ s/\.map$//;
807		1185
808	(aio_load $filename, $data) >= 0	1186	(aio_load $filename, $data) >= 0
809	or return;	1187	or return;
810		1188
811	unless (aio_stat "$filename.pst") {	1189	unless (aio_stat "$filename.pst") {
812	(aio_load "$filename.pst", $av) >= 0	1190	(aio_load "$filename.pst", $av) >= 0
813	or return;	1191	or return;
		1192
814	$av = eval { (Storable::thaw $av)->{objs} };	1193	my $st = eval { Coro::Storable::thaw $av };
		1194	$av = $st->{objs};
815	}	1195	}
816		1196
		1197	utf8::decode (my $decname = $filename);
817	warn sprintf "loading %s (%d)\n",	1198	warn sprintf "loading %s (%d,%d)\n",
818	$filename, length $data, scalar @{$av || []};#d#	1199	$decname, length $data, scalar @{$av || []};
		1200
819	return ($data, $av);	1201	($data, $av)
820	}	1202	}
		1203
		1204	=head2 COMMAND CALLBACKS
		1205
		1206	=over 4
		1207
		1208	=cut
821		1209
822	#############################################################################	1210	#############################################################################
823	# command handling &c	1211	# command handling &c
824		1212
825	=item cf::register_command $name => \&callback($ob,$args);	1213	=item cf::register_command $name => \&callback($ob,$args);
…		…
838	push @{ $COMMAND{$name} }, [$caller, $cb];	1226	push @{ $COMMAND{$name} }, [$caller, $cb];
839	}	1227	}
840		1228
841	=item cf::register_extcmd $name => \&callback($pl,$packet);	1229	=item cf::register_extcmd $name => \&callback($pl,$packet);
842		1230
843	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.
844		1236
845	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
846	called.	1238	called.
847		1239
		1240	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1241
		1242	Register a callback for execution when the client sends an (asynchronous)
		1243	exticmd packet. Exti commands are processed by the server as soon as they
		1244	are received, i.e. out of order w.r.t. other commands. The first argument
		1245	is a client socket. Exti commands can be received anytime, even before
		1246	log-in.
		1247
		1248	If the callback returns something, it is sent back as if reply was being
		1249	called.
		1250
848	=cut	1251	=cut
849		1252
850	sub register_extcmd {	1253	sub register_extcmd {
851	my ($name, $cb) = @_;	1254	my ($name, $cb) = @_;
852		1255
853	$EXTCMD{$name} = $cb;	1256	$EXTCMD{$name} = $cb;
		1257	}
		1258
		1259	sub register_exticmd {
		1260	my ($name, $cb) = @_;
		1261
		1262	$EXTICMD{$name} = $cb;
854	}	1263	}
855		1264
856	cf::player->attach (	1265	cf::player->attach (
857	on_command => sub {	1266	on_command => sub {
858	my ($pl, $name, $params) = @_;	1267	my ($pl, $name, $params) = @_;
…		…
867	cf::override;	1276	cf::override;
868	},	1277	},
869	on_extcmd => sub {	1278	on_extcmd => sub {
870	my ($pl, $buf) = @_;	1279	my ($pl, $buf) = @_;
871		1280
872	my $msg = eval { from_json $buf };	1281	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873		1282
874	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
875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1291	if (my $cb = $EXTCMD{$type}) {
876	if (my %reply = $cb->($pl, $msg)) {	1292	@reply = $cb->($pl, @payload);
877	$pl->ext_reply ($msg->{msgid}, %reply);
878	}
879	}	1293	}
		1294
		1295	$pl->ext_reply ($reply, @reply)
		1296	if $reply;
		1297
880	} else {	1298	} else {
881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1299	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
882	}	1300	}
883		1301
884	cf::override;	1302	cf::override;
885	},	1303	},
886	);	1304	);
887		1305
888	sub load_extension {
889	my ($path) = @_;
890
891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
892	my $base = $1;
893	my $pkg = $1;
894	$pkg =~ s/[^[:word:]]/_/g;
895	$pkg = "ext::$pkg";
896
897	warn "... loading '$path' into '$pkg'\n";
898
899	open my $fh, "<:utf8", $path
900	or die "$path: $!";
901
902	my $source =
903	"package $pkg; use strict; use utf8;\n"
904	. "#line 1 \"$path\"\n{\n"
905	. (do { local $/; <$fh> })
906	. "\n};\n1";
907
908	unless (eval $source) {
909	my $msg = $@ ? "$path: $@\n"
910	: "extension disabled.\n";
911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
912	warn $@;
913	warn "mandatory extension failed to load, exiting.\n";
914	exit 1;
915	}
916	die $@;
917	}
918
919	push @EXTS, $pkg;
920	}
921
922	sub load_extensions {	1306	sub load_extensions {
		1307	cf::sync_job {
		1308	my %todo;
		1309
923	for my $ext (<$LIBDIR/*.ext>) {	1310	for my $path (<$LIBDIR/*.ext>) {
924	next unless -r $ext;	1311	next unless -r $path;
925	eval {	1312
926	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	$progress = 1;
927	1	1369	}
928	} or warn "$ext not loaded: $@";	1370
		1371	skip:
		1372	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1373	unless $progress;
		1374	}
929	}	1375	};
930	}	1376	}
931		1377
932	#############################################################################	1378	#############################################################################
933		1379
		1380	=back
		1381
934	=head2 CORE EXTENSIONS	1382	=head2 CORE EXTENSIONS
935		1383
936	Functions and methods that extend core crossfire objects.	1384	Functions and methods that extend core crossfire objects.
937		1385
938	=cut	1386	=cut
…		…
943		1391
944	=head3 cf::player	1392	=head3 cf::player
945		1393
946	=over 4	1394	=over 4
947		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
948	=item cf::player::find $login	1410	=item cf::player::find $login
949		1411
950	Returns the given player object, loading it if necessary (might block).	1412	Returns the given player object, loading it if necessary (might block).
951		1413
952	=cut	1414	=cut
953		1415
954	sub playerdir($) {	1416	sub playerdir($) {
955	cf::localdir	1417	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1418	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1419	}
961		1420
962	sub path($) {	1421	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1422	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1423
965	(playerdir $login) . "/$login.pl"	1424	(playerdir $login) . "/playerdata"
966	}	1425	}
967		1426
968	sub find_active($) {	1427	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1428	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1429	and $cf::PLAYER{$_[0]}->active
…		…
983	my $login = $_[0];	1442	my $login = $_[0];
984		1443
985	my $guard = cf::lock_acquire "user_find:$login";	1444	my $guard = cf::lock_acquire "user_find:$login";
986		1445
987	$cf::PLAYER{$_[0]} || do {	1446	$cf::PLAYER{$_[0]} || do {
988	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
989	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;
990	$cf::PLAYER{$login} = $pl	1461	$cf::PLAYER{$login} = $pl
991	}	1462	}
992	}	1463	}
993	}	1464	}
994		1465
…		…
1004		1475
1005	aio_mkdir playerdir $pl, 0770;	1476	aio_mkdir playerdir $pl, 0770;
1006	$pl->{last_save} = $cf::RUNTIME;	1477	$pl->{last_save} = $cf::RUNTIME;
1007		1478
1008	$pl->save_pl ($path);	1479	$pl->save_pl ($path);
1009	Coro::cede;	1480	cf::cede_to_tick;
1010	}	1481	}
1011		1482
1012	sub new($) {	1483	sub new($) {
1013	my ($login) = @_;	1484	my ($login) = @_;
1014		1485
…		…
1020	$cf::PLAYER{$login} = $self;	1491	$cf::PLAYER{$login} = $self;
1021		1492
1022	$self	1493	$self
1023	}	1494	}
1024		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
1025	=item $pl->quit_character	1506	=item $pl->quit_character
1026		1507
1027	Nukes the player without looking back. If logged in, the connection will	1508	Nukes the player without looking back. If logged in, the connection will
1028	be destroyed. May block for a long time.	1509	be destroyed. May block for a long time.
1029		1510
1030	=cut	1511	=cut
1031		1512
1032	sub quit_character {	1513	sub quit_character {
1033	my ($pl) = @_;	1514	my ($pl) = @_;
		1515
		1516	my $name = $pl->ob->name;
1034		1517
1035	$pl->{deny_save} = 1;	1518	$pl->{deny_save} = 1;
1036	$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
1037		1520
1038	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1521	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1043	my $path = playerdir $pl;	1526	my $path = playerdir $pl;
1044	my $temp = "$path~$cf::RUNTIME~deleting~";	1527	my $temp = "$path~$cf::RUNTIME~deleting~";
1045	aio_rename $path, $temp;	1528	aio_rename $path, $temp;
1046	delete $cf::PLAYER{$pl->ob->name};	1529	delete $cf::PLAYER{$pl->ob->name};
1047	$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
1048	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;
1049	}	1552	}
1050		1553
1051	=item cf::player::list_logins	1554	=item cf::player::list_logins
1052		1555
1053	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
1054	while and may block, so not sync_job-capable, ever.	1557	while and may block, so not sync_job-capable, ever.
1055		1558
1056	=cut	1559	=cut
1057		1560
1058	sub list_logins {	1561	sub list_logins {
1059	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1562	my $dirs = aio_readdir $PLAYERDIR
1060	or return [];	1563	or return [];
1061		1564
1062	my @logins;	1565	my @logins;
1063		1566
1064	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") {
1065	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1572	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1066	aio_read $fh, 0, 512, my $buf, 0 or next;	1573	aio_read $fh, 0, 512, my $buf, 0 or next;
1067	$buf !~ /^password -------------$/m or next; # official not-valid tag	1574	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1575	}
1068		1576
1069	utf8::decode $login;	1577	utf8::decode $login;
1070	push @logins, $login;	1578	push @logins, $login;
1071	}	1579	}
1072		1580
…		…
1099	}	1607	}
1100		1608
1101	\@paths	1609	\@paths
1102	}	1610	}
1103		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
1104	=item $player->ext_reply ($msgid, $msgtype, %msg)	1705	=item $player->ext_reply ($msgid, @msg)
1105		1706
1106	Sends an ext reply to the player.	1707	Sends an ext reply to the player.
1107		1708
1108	=cut	1709	=cut
1109		1710
1110	sub ext_reply($$$%) {	1711	sub ext_reply($$@) {
1111	my ($self, $id, %msg) = @_;	1712	my ($self, $id, @msg) = @_;
1112		1713
1113	$msg{msgid} = $id;	1714	$self->ns->ext_reply ($id, @msg)
1114
1115	$self->send ("ext " . cf::to_json \%msg);
1116	}	1715	}
1117		1716
1118	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	}
1119		1757
1120	=back	1758	=back
1121
1122		1759
1123	=head3 cf::map	1760	=head3 cf::map
1124		1761
1125	=over 4	1762	=over 4
1126		1763
…		…
1138	our $MAX_RESET = 3600;	1775	our $MAX_RESET = 3600;
1139	our $DEFAULT_RESET = 3000;	1776	our $DEFAULT_RESET = 3000;
1140		1777
1141	sub generate_random_map {	1778	sub generate_random_map {
1142	my ($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
1143	# mit "rum" bekleckern, nicht	1783	# mit "rum" bekleckern, nicht
1144	$self->_create_random_map (	1784	$self->_create_random_map (
1145	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1785	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1146	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1786	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1147	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1787	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1181	my ($self, $merge) = @_;	1821	my ($self, $merge) = @_;
1182		1822
1183	# we have to keep some variables in memory intact	1823	# we have to keep some variables in memory intact
1184	local $self->{path};	1824	local $self->{path};
1185	local $self->{load_path};	1825	local $self->{load_path};
1186	local $self->{deny_save};
1187	local $self->{deny_reset};
1188		1826
1189	$self->SUPER::thawer_merge ($merge);	1827	$self->SUPER::thawer_merge ($merge);
1190	}	1828	}
1191		1829
1192	sub normalise {	1830	sub normalise {
…		…
1239	$self->init; # pass $1 etc.	1877	$self->init; # pass $1 etc.
1240	return $self;	1878	return $self;
1241	}	1879	}
1242	}	1880	}
1243		1881
1244	Carp::carp "unable to resolve path '$path' (base '$base').";	1882	Carp::cluck "unable to resolve path '$path' (base '$base').";
1245	()	1883	()
1246	}	1884	}
1247		1885
1248	sub init {	1886	sub init {
1249	my ($self) = @_;	1887	my ($self) = @_;
…		…
1264		1902
1265	# the original (read-only) location	1903	# the original (read-only) location
1266	sub load_path {	1904	sub load_path {
1267	my ($self) = @_;	1905	my ($self) = @_;
1268		1906
1269	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1907	"$MAPDIR/$self->{path}.map"
1270	}	1908	}
1271		1909
1272	# the temporary/swap location	1910	# the temporary/swap location
1273	sub save_path {	1911	sub save_path {
1274	my ($self) = @_;	1912	my ($self) = @_;
1275		1913
1276	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1914	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1277	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1915	"$TMPDIR/$path.map"
1278	}	1916	}
1279		1917
1280	# the unique path, undef == no special unique path	1918	# the unique path, undef == no special unique path
1281	sub uniq_path {	1919	sub uniq_path {
1282	my ($self) = @_;	1920	my ($self) = @_;
1283		1921
1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1922	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1285	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1923	"$UNIQUEDIR/$path"
1286	}	1924	}
1287		1925
1288	# and all this just because we cannot iterate over	1926	# and all this just because we cannot iterate over
1289	# all maps in C++...	1927	# all maps in C++...
1290	sub change_all_map_light {	1928	sub change_all_map_light {
…		…
1292		1930
1293	$_->change_map_light ($change)	1931	$_->change_map_light ($change)
1294	for grep $_->outdoor, values %cf::MAP;	1932	for grep $_->outdoor, values %cf::MAP;
1295	}	1933	}
1296		1934
		1935	sub decay_objects {
		1936	my ($self) = @_;
		1937
		1938	return if $self->{deny_reset};
		1939
		1940	$self->do_decay_objects;
		1941	}
		1942
1297	sub unlink_save {	1943	sub unlink_save {
1298	my ($self) = @_;	1944	my ($self) = @_;
1299		1945
1300	utf8::encode (my $save = $self->save_path);	1946	utf8::encode (my $save = $self->save_path);
1301	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1947	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1948	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1303
1304	#d#TODO remove .map and also nuke
1305	$save =~ s/\.map// or return;#d#
1306	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1308	}	1949	}
1309		1950
1310	sub load_header_from($) {	1951	sub load_header_from($) {
1311	my ($self, $path) = @_;	1952	my ($self, $path) = @_;
1312		1953
1313	utf8::encode $path;	1954	utf8::encode $path;
1314	#aio_open $path, O_RDONLY, 0	1955	my $f = new_from_file cf::object::thawer $path
1315	# or return;
1316
1317	$self->_load_header ($path)
1318	or return;	1956	or return;
		1957
		1958	$self->_load_header ($f)
		1959	or return;
		1960
		1961	local $MAP_LOADING{$self->{path}} = $self;
		1962	$f->resolve_delayed_derefs;
1319		1963
1320	$self->{load_path} = $path;	1964	$self->{load_path} = $path;
1321		1965
1322	1	1966	1
1323	}	1967	}
…		…
1362	$self->load_header_orig	2006	$self->load_header_orig
1363	or return;	2007	or return;
1364	$self->prepare_orig;	2008	$self->prepare_orig;
1365	}	2009	}
1366		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 $self->default_region;
		2016
1367	1	2017	1
1368	}	2018	}
1369		2019
1370	sub find;	2020	sub find;
1371	sub find {	2021	sub find {
1372	my ($path, $origin) = @_;	2022	my ($path, $origin) = @_;
1373		2023
1374	$path = normalise $path, $origin && $origin->path;	2024	$path = normalise $path, $origin && $origin->path;
1375		2025
		2026	cf::lock_wait "map_data:$path";#d#remove
1376	cf::lock_wait "map_find:$path";	2027	cf::lock_wait "map_find:$path";
1377		2028
1378	$cf::MAP{$path} || do {	2029	$cf::MAP{$path} || do {
1379	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
1380	my $map = new_from_path cf::map $path	2033	my $map = new_from_path cf::map $path
1381	or return;	2034	or return;
1382		2035
1383	$map->{last_save} = $cf::RUNTIME;	2036	$map->{last_save} = $cf::RUNTIME;
1384		2037
1385	$map->load_header	2038	$map->load_header
1386	or return;	2039	or return;
1387		2040
1388	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2041	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1389	# doing this can freeze the server in a sync job, obviously	2042	# doing this can freeze the server in a sync job, obviously
1390	#$cf::WAIT_FOR_TICK->wait;	2043	#$cf::WAIT_FOR_TICK->wait;
		2044	undef $guard1;
		2045	undef $guard2;
1391	$map->reset;	2046	$map->reset;
1392	undef $guard;
1393	return find $path;	2047	return find $path;
1394	}	2048	}
1395		2049
1396	$cf::MAP{$path} = $map	2050	$cf::MAP{$path} = $map
1397	}	2051	}
…		…
1404	my ($self) = @_;	2058	my ($self) = @_;
1405		2059
1406	local $self->{deny_reset} = 1; # loading can take a long time	2060	local $self->{deny_reset} = 1; # loading can take a long time
1407		2061
1408	my $path = $self->{path};	2062	my $path = $self->{path};
		2063
		2064	{
1409	my $guard = cf::lock_acquire "map_load:$path";	2065	my $guard = cf::lock_acquire "map_data:$path";
1410		2066
		2067	return unless $self->valid;
1411	return if $self->in_memory != cf::MAP_SWAPPED;	2068	return unless $self->in_memory == cf::MAP_SWAPPED;
1412		2069
1413	$self->in_memory (cf::MAP_LOADING);	2070	$self->in_memory (cf::MAP_LOADING);
1414		2071
1415	$self->alloc;	2072	$self->alloc;
1416		2073
1417	$self->pre_load;	2074	$self->pre_load;
		2075	cf::cede_to_tick;
1418		2076
1419	$self->_load_objects ($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)
1420	or return;	2080	or return;
1421		2081
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2082	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1423	if delete $self->{load_original};	2083	if delete $self->{load_original};
1424		2084
1425	if (my $uniq = $self->uniq_path) {	2085	if (my $uniq = $self->uniq_path) {
1426	utf8::encode $uniq;	2086	utf8::encode $uniq;
1427	if (aio_open $uniq, O_RDONLY, 0) {	2087	unless (aio_stat $uniq) {
		2088	if (my $f = new_from_file cf::object::thawer $uniq) {
1428	$self->clear_unique_items;	2089	$self->clear_unique_items;
1429	$self->_load_objects ($uniq, 0);	2090	$self->_load_objects ($f);
		2091	$f->resolve_delayed_derefs;
		2092	}
1430	}	2093	}
1431	}	2094	}
1432		2095
1433	Coro::cede;	2096	$f->resolve_delayed_derefs;
1434		2097
		2098	cf::cede_to_tick;
1435	# now do the right thing for maps	2099	# now do the right thing for maps
1436	$self->link_multipart_objects;	2100	$self->link_multipart_objects;
1437
1438	unless ($self->{deny_activate}) {
1439	$self->decay_objects;
1440	$self->fix_auto_apply;
1441	$self->update_buttons;
1442	Coro::cede;
1443	$self->set_darkness_map;
1444	$self->difficulty ($self->estimate_difficulty)	2101	$self->difficulty ($self->estimate_difficulty)
1445	unless $self->difficulty;	2102	unless $self->difficulty;
1446	Coro::cede;	2103	cf::cede_to_tick;
		2104
		2105	unless ($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;
1447	$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);
1448	}	2119	}
1449		2120
1450	$self->post_load;	2121	$self->post_load;
1451
1452	$self->in_memory (cf::MAP_IN_MEMORY);
1453	}	2122	}
1454		2123
1455	sub customise_for {	2124	sub customise_for {
1456	my ($self, $ob) = @_;	2125	my ($self, $ob) = @_;
1457		2126
1458	return find "~" . $ob->name . "/" . $self->{path}	2127	return find "~" . $ob->name . "/" . $self->{path}
1459	if $self->per_player;	2128	if $self->per_player;
1460		2129
		2130	# return find "?party/" . $ob->name . "/" . $self->{path}
		2131	# if $self->per_party;
		2132
1461	$self	2133	$self
1462	}	2134	}
1463		2135
1464	# find and load all maps in the 3x3 area around a map	2136	# find and load all maps in the 3x3 area around a map
1465	sub load_diag {	2137	sub load_neighbours {
1466	my ($map) = @_;	2138	my ($map) = @_;
1467		2139
1468	my @diag; # diagonal neighbours	2140	my @neigh; # diagonal neighbours
1469		2141
1470	for (0 .. 3) {	2142	for (0 .. 3) {
1471	my $neigh = $map->tile_path ($_)	2143	my $neigh = $map->tile_path ($_)
1472	or next;	2144	or next;
1473	$neigh = find $neigh, $map	2145	$neigh = find $neigh, $map
1474	or next;	2146	or next;
1475	$neigh->load;	2147	$neigh->load;
1476		2148
		2149	push @neigh,
1477	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2150	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1478	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2151	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1479	}	2152	}
1480		2153
1481	for (@diag) {	2154	for (grep defined $_->[0], @neigh) {
		2155	my ($path, $origin) = @$_;
1482	my $neigh = find @$_	2156	my $neigh = find $path, $origin
1483	or next;	2157	or next;
1484	$neigh->load;	2158	$neigh->load;
1485	}	2159	}
1486	}	2160	}
1487		2161
…		…
1492	}	2166	}
1493		2167
1494	sub do_load_sync {	2168	sub do_load_sync {
1495	my ($map) = @_;	2169	my ($map) = @_;
1496		2170
		2171	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2172	if $Coro::current == $Coro::main;
		2173
1497	cf::sync_job { $map->load };	2174	cf::sync_job { $map->load };
1498	}	2175	}
1499		2176
1500	our %MAP_PREFETCH;	2177	our %MAP_PREFETCH;
1501	our $MAP_PREFETCHER = undef;	2178	our $MAP_PREFETCHER = undef;
1502		2179
1503	sub find_async {	2180	sub find_async {
1504	my ($path, $origin) = @_;	2181	my ($path, $origin, $load) = @_;
1505		2182
1506	$path = normalise $path, $origin && $origin->{path};	2183	$path = normalise $path, $origin && $origin->{path};
1507		2184
1508	if (my $map = $cf::MAP{$path}) {	2185	if (my $map = $cf::MAP{$path}) {
1509	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2186	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1510	}	2187	}
1511		2188
1512	undef $MAP_PREFETCH{$path};	2189	$MAP_PREFETCH{$path} |= $load;
		2190
1513	$MAP_PREFETCHER ||= cf::async {	2191	$MAP_PREFETCHER ||= cf::async {
		2192	$Coro::current->{desc} = "map prefetcher";
		2193
1514	while (%MAP_PREFETCH) {	2194	while (%MAP_PREFETCH) {
1515	for my $path (keys %MAP_PREFETCH) {	2195	while (my ($k, $v) = each %MAP_PREFETCH) {
1516	my $map = find $path	2196	if (my $map = find $k) {
1517	or next;
1518	$map->load;	2197	$map->load if $v;
		2198	}
1519		2199
1520	delete $MAP_PREFETCH{$path};	2200	delete $MAP_PREFETCH{$k};
1521	}	2201	}
1522	}	2202	}
1523	undef $MAP_PREFETCHER;	2203	undef $MAP_PREFETCHER;
1524	};	2204	};
1525	$MAP_PREFETCHER->prio (6);	2205	$MAP_PREFETCHER->prio (6);
…		…
1528	}	2208	}
1529		2209
1530	sub save {	2210	sub save {
1531	my ($self) = @_;	2211	my ($self) = @_;
1532		2212
1533	my $lock = cf::lock_acquire "map_data:" . $self->path;	2213	my $lock = cf::lock_acquire "map_data:$self->{path}";
1534		2214
1535	$self->{last_save} = $cf::RUNTIME;	2215	$self->{last_save} = $cf::RUNTIME;
1536		2216
1537	return unless $self->dirty;	2217	return unless $self->dirty;
1538		2218
…		…
1544	return if $self->{deny_save};	2224	return if $self->{deny_save};
1545		2225
1546	local $self->{last_access} = $self->last_access;#d#	2226	local $self->{last_access} = $self->last_access;#d#
1547		2227
1548	cf::async {	2228	cf::async {
		2229	$Coro::current->{desc} = "map player save";
1549	$_->contr->save for $self->players;	2230	$_->contr->save for $self->players;
1550	};	2231	};
1551		2232
1552	if ($uniq) {	2233	if ($uniq) {
1553	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2234	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1561	my ($self) = @_;	2242	my ($self) = @_;
1562		2243
1563	# save first because save cedes	2244	# save first because save cedes
1564	$self->save;	2245	$self->save;
1565		2246
1566	my $lock = cf::lock_acquire "map_data:" . $self->path;	2247	my $lock = cf::lock_acquire "map_data:$self->{path}";
1567		2248
1568	return if $self->players;	2249	return if $self->players;
1569	return if $self->in_memory != cf::MAP_IN_MEMORY;	2250	return if $self->in_memory != cf::MAP_IN_MEMORY;
1570	return if $self->{deny_save};	2251	return if $self->{deny_save};
1571		2252
		2253	$self->in_memory (cf::MAP_SWAPPED);
		2254
		2255	$self->deactivate;
		2256	$_->clear_links_to ($self) for values %cf::MAP;
1572	$self->clear;	2257	$self->clear;
1573	$self->in_memory (cf::MAP_SWAPPED);
1574	}	2258	}
1575		2259
1576	sub reset_at {	2260	sub reset_at {
1577	my ($self) = @_;	2261	my ($self) = @_;
1578		2262
1579	# TODO: safety, remove and allow resettable per-player maps	2263	# TODO: safety, remove and allow resettable per-player maps
1580	return 1e99 if $self->isa ("ext::map_per_player");#d#
1581	return 1e99 if $self->{deny_reset};	2264	return 1e99 if $self->{deny_reset};
1582		2265
1583	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2266	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1584	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2267	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1585		2268
…		…
1596	my ($self) = @_;	2279	my ($self) = @_;
1597		2280
1598	my $lock = cf::lock_acquire "map_data:$self->{path}";	2281	my $lock = cf::lock_acquire "map_data:$self->{path}";
1599		2282
1600	return if $self->players;	2283	return if $self->players;
1601	return if $self->isa ("ext::map_per_player");#d#
1602		2284
1603	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	}
1604		2296
1605	delete $cf::MAP{$self->path};	2297	delete $cf::MAP{$self->path};
1606		2298
1607	$self->in_memory (cf::MAP_SWAPPED);	2299	$self->deactivate;
		2300	$_->clear_links_to ($self) for values %cf::MAP;
1608	$self->clear;	2301	$self->clear;
1609
1610	$_->clear_links_to ($self) for values %cf::MAP;
1611		2302
1612	$self->unlink_save;	2303	$self->unlink_save;
1613	$self->destroy;	2304	$self->destroy;
1614	}	2305	}
1615		2306
1616	my $nuke_counter = "aaaa";	2307	my $nuke_counter = "aaaa";
1617		2308
1618	sub nuke {	2309	sub nuke {
1619	my ($self) = @_;	2310	my ($self) = @_;
1620		2311
		2312	{
		2313	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2314
1621	delete $cf::MAP{$self->path};	2315	delete $cf::MAP{$self->path};
1622		2316
1623	$self->unlink_save;	2317	$self->unlink_save;
1624		2318
1625	bless $self, "cf::map";	2319	bless $self, "cf::map";
1626	delete $self->{deny_reset};	2320	delete $self->{deny_reset};
1627	$self->{deny_save} = 1;	2321	$self->{deny_save} = 1;
1628	$self->reset_timeout (1);	2322	$self->reset_timeout (1);
1629	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2323	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1630		2324
1631	$cf::MAP{$self->path} = $self;	2325	$cf::MAP{$self->path} = $self;
		2326	}
1632		2327
1633	$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	]
1634	}	2365	}
1635		2366
1636	=item cf::map::unique_maps	2367	=item cf::map::unique_maps
1637		2368
1638	Returns an arrayref of paths of all shared maps that have	2369	Returns an arrayref of paths of all shared maps that have
1639	instantiated unique items. May block.	2370	instantiated unique items. May block.
1640		2371
1641	=cut	2372	=cut
1642		2373
1643	sub unique_maps() {	2374	sub unique_maps() {
1644	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2375	[
1645	or return;	2376	map {
1646
1647	my @paths;
1648
1649	for (@$files) {
1650	utf8::decode $_;	2377	utf8::decode $_;
1651	next if /\.pst$/;	2378	s/\.map$//; # TODO future compatibility hack
1652	next unless /^$PATH_SEP/o;	2379	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1653		2380	? ()
1654	push @paths, cf::map::normalise $_;	2381	: normalise $_
		2382	} @{ aio_readdir $UNIQUEDIR or [] }
1655	}	2383	]
1656
1657	\@paths
1658	}	2384	}
1659
1660	package cf;
1661		2385
1662	=back	2386	=back
1663		2387
1664	=head3 cf::object	2388	=head3 cf::object
1665		2389
…		…
1669		2393
1670	=over 4	2394	=over 4
1671		2395
1672	=item $ob->inv_recursive	2396	=item $ob->inv_recursive
1673		2397
1674	Returns the inventory of the object _and_ their inventories, recursively.	2398	Returns the inventory of the object I<and> their inventories, recursively,
		2399	but I<not> the object itself.
1675		2400
1676	=cut	2401	=cut
1677		2402
1678	sub inv_recursive_;	2403	sub inv_recursive_;
1679	sub inv_recursive_ {	2404	sub inv_recursive_ {
1680	map { $_, inv_recursive_ $_->inv } @_	2405	map { $_, inv_recursive_ $_->inv } @_
1681	}	2406	}
1682		2407
1683	sub inv_recursive {	2408	sub inv_recursive {
1684	inv_recursive_ inv $_[0]	2409	inv_recursive_ inv $_[0]
		2410	}
		2411
		2412	=item $ref = $ob->ref
		2413
		2414	Creates and returns a persistent reference to an object that can be stored as a string.
		2415
		2416	=item $ob = cf::object::deref ($refstring)
		2417
		2418	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2419	even if the object actually exists. May block.
		2420
		2421	=cut
		2422
		2423	sub deref {
		2424	my ($ref) = @_;
		2425
		2426	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2427	my ($uuid, $name) = ($1, $2);
		2428	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2429	or return;
		2430	$pl->ob->uuid eq $uuid
		2431	or return;
		2432
		2433	$pl->ob
		2434	} else {
		2435	warn "$ref: cannot resolve object reference\n";
		2436	undef
		2437	}
1685	}	2438	}
1686		2439
1687	package cf;	2440	package cf;
1688		2441
1689	=back	2442	=back
…		…
1708		2461
1709	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2462	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1710		2463
1711	if ($self->{record_replies}) {	2464	if ($self->{record_replies}) {
1712	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2465	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2466
1713	} else {	2467	} else {
		2468	my $pl = $self->contr;
		2469
		2470	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2471	my $dialog = $pl->{npc_dialog};
		2472	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2473
		2474	} else {
1714	$msg = $npc->name . " says: $msg" if $npc;	2475	$msg = $npc->name . " says: $msg" if $npc;
1715	$self->message ($msg, $flags);	2476	$self->message ($msg, $flags);
		2477	}
1716	}	2478	}
		2479	}
		2480
		2481	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2482
		2483	=cut
		2484
		2485	sub cf::object::send_msg {
		2486	my $pl = shift->contr
		2487	or return;
		2488	$pl->send_msg (@_);
1717	}	2489	}
1718		2490
1719	=item $player_object->may ("access")	2491	=item $player_object->may ("access")
1720		2492
1721	Returns wether the given player is authorized to access resource "access"	2493	Returns wether the given player is authorized to access resource "access"
…		…
1768	$self->deactivate_recursive;	2540	$self->deactivate_recursive;
1769		2541
1770	return if UNIVERSAL::isa $self->map, "ext::map_link";	2542	return if UNIVERSAL::isa $self->map, "ext::map_link";
1771		2543
1772	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2544	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1773	if $self->map;	2545	if $self->map && $self->map->{path} ne "{link}";
1774		2546
1775	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2547	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1776	}	2548	}
1777		2549
1778	sub cf::object::player::leave_link {	2550	sub cf::object::player::leave_link {
1779	my ($self, $map, $x, $y) = @_;	2551	my ($self, $map, $x, $y) = @_;
		2552
		2553	return unless $self->contr->active;
1780		2554
1781	my $link_pos = delete $self->{_link_pos};	2555	my $link_pos = delete $self->{_link_pos};
1782		2556
1783	unless ($map) {	2557	unless ($map) {
1784	# restore original map position	2558	# restore original map position
…		…
1798	# use -1 or undef as default coordinates, not 0, 0	2572	# use -1 or undef as default coordinates, not 0, 0
1799	($x, $y) = ($map->enter_x, $map->enter_y)	2573	($x, $y) = ($map->enter_x, $map->enter_y)
1800	if $x <=0 && $y <= 0;	2574	if $x <=0 && $y <= 0;
1801		2575
1802	$map->load;	2576	$map->load;
1803	$map->load_diag;	2577	$map->load_neighbours;
1804		2578
1805	return unless $self->contr->active;	2579	return unless $self->contr->active;
1806	$self->activate_recursive;	2580	$self->activate_recursive;
		2581
		2582	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1807	$self->enter_map ($map, $x, $y);	2583	$self->enter_map ($map, $x, $y);
1808	}	2584	}
1809		2585
1810	cf::player->attach (	2586	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1811	on_logout => sub {
1812	my ($pl) = @_;
1813		2587
1814	# abort map switching before logout	2588	Moves the player to the given map-path and coordinates by first freezing
1815	if ($pl->ob->{_link_pos}) {	2589	her, loading and preparing them map, calling the provided $check callback
1816	cf::sync_job {	2590	that has to return the map if sucecssful, and then unfreezes the player on
1817	$pl->ob->leave_link	2591	the new (success) or old (failed) map position. In either case, $done will
1818	};	2592	be called at the end of this process.
1819	}
1820	},
1821	on_login => sub {
1822	my ($pl) = @_;
1823		2593
1824	# try to abort aborted map switching on player login :)
1825	# should happen only on crashes
1826	if ($pl->ob->{_link_pos}) {
1827	$pl->ob->enter_link;
1828	(async {
1829	# we need this sleep as the login has a concurrent enter_exit running
1830	# and this sleep increases chances of the player not ending up in scorn
1831	$pl->ob->reply (undef,
1832	"There was an internal problem at your last logout, "
1833	. "the server will try to bring you to your intended destination in a second.",
1834	cf::NDI_RED);
1835	Coro::Timer::sleep 1;
1836	$pl->ob->leave_link;
1837	})->prio (2);
1838	}
1839	},
1840	);
1841
1842	=item $player_object->goto ($path, $x, $y)
1843
1844	=cut	2594	=cut
		2595
		2596	our $GOTOGEN;
1845		2597
1846	sub cf::object::player::goto {	2598	sub cf::object::player::goto {
1847	my ($self, $path, $x, $y) = @_;	2599	my ($self, $path, $x, $y, $check, $done) = @_;
		2600
		2601	# do generation counting so two concurrent goto's will be executed in-order
		2602	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1848		2603
1849	$self->enter_link;	2604	$self->enter_link;
1850		2605
1851	(async {	2606	(async {
		2607	$Coro::current->{desc} = "player::goto $path $x $y";
		2608
		2609	# *tag paths override both path and x|y
		2610	if ($path =~ /^\*(.*)$/) {
		2611	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2612	my $ob = $obs[rand @obs];
		2613
		2614	# see if we actually can go there
		2615	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2616	$ob = $obs[rand @obs];
		2617	} else {
		2618	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2619	}
		2620	# else put us there anyways for now #d#
		2621
		2622	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2623	} else {
		2624	($path, $x, $y) = (undef, undef, undef);
		2625	}
		2626	}
		2627
1852	my $map = eval {	2628	my $map = eval {
1853	my $map = cf::map::find $path;	2629	my $map = defined $path ? cf::map::find $path : undef;
		2630
		2631	if ($map) {
1854	$map = $map->customise_for ($self) if $map;	2632	$map = $map->customise_for ($self);
		2633	$map = $check->($map) if $check && $map;
		2634	} else {
		2635	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2636	}
		2637
1855	$map	2638	$map
		2639	};
		2640
		2641	if ($@) {
		2642	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2643	LOG llevError | logBacktrace, Carp::longmess $@;
1856	} or	2644	}
1857	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1858		2645
		2646	if ($gen == $self->{_goto_generation}) {
		2647	delete $self->{_goto_generation};
1859	$self->leave_link ($map, $x, $y);	2648	$self->leave_link ($map, $x, $y);
		2649	}
		2650
		2651	$done->() if $done;
1860	})->prio (1);	2652	})->prio (1);
1861	}	2653	}
1862		2654
1863	=item $player_object->enter_exit ($exit_object)	2655	=item $player_object->enter_exit ($exit_object)
1864		2656
…		…
1901	$rmp->{origin_y} = $exit->y;	2693	$rmp->{origin_y} = $exit->y;
1902	}	2694	}
1903		2695
1904	$rmp->{random_seed} ||= $exit->random_seed;	2696	$rmp->{random_seed} ||= $exit->random_seed;
1905		2697
1906	my $data = cf::to_json $rmp;	2698	my $data = cf::encode_json $rmp;
1907	my $md5 = Digest::MD5::md5_hex $data;	2699	my $md5 = Digest::MD5::md5_hex $data;
1908	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2700	my $meta = "$RANDOMDIR/$md5.meta";
1909		2701
1910	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2702	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1911	aio_write $fh, 0, (length $data), $data, 0;	2703	aio_write $fh, 0, (length $data), $data, 0;
1912	undef $fh;	2704	undef $fh;
1913	aio_rename "$meta~", $meta;	2705	aio_rename "$meta~", $meta;
…		…
1922		2714
1923	return unless $self->type == cf::PLAYER;	2715	return unless $self->type == cf::PLAYER;
1924		2716
1925	if ($exit->slaying eq "/!") {	2717	if ($exit->slaying eq "/!") {
1926	#TODO: this should de-fi-ni-te-ly not be a sync-job	2718	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2719	# the problem is that $exit might not survive long enough
		2720	# so it needs to be done right now, right here
1927	cf::sync_job { prepare_random_map $exit };	2721	cf::sync_job { prepare_random_map $exit };
1928	}	2722	}
1929		2723
1930	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2724	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1931	my $hp = $exit->stats->hp;	2725	my $hp = $exit->stats->hp;
1932	my $sp = $exit->stats->sp;	2726	my $sp = $exit->stats->sp;
1933		2727
1934	$self->enter_link;	2728	$self->enter_link;
1935		2729
		2730	# if exit is damned, update players death & WoR home-position
		2731	$self->contr->savebed ($slaying, $hp, $sp)
		2732	if $exit->flag (FLAG_DAMNED);
		2733
1936	(async {	2734	(async {
		2735	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2736
1937	$self->deactivate_recursive; # just to be sure	2737	$self->deactivate_recursive; # just to be sure
1938	unless (eval {	2738	unless (eval {
1939	$self->goto ($slaying, $hp, $sp);	2739	$self->goto ($slaying, $hp, $sp);
1940		2740
1941	1;	2741	1;
1942	}) {	2742	}) {
1943	$self->message ("Something went wrong deep within the crossfire server. "	2743	$self->message ("Something went wrong deep within the crossfire server. "
1944	. "I'll try to bring you back to the map you were before. "	2744	. "I'll try to bring you back to the map you were before. "
1945	. "Please report this to the dungeon master!",	2745	. "Please report this to the dungeon master!",
1946	cf::NDI_UNIQUE | cf::NDI_RED);	2746	cf::NDI_UNIQUE | cf::NDI_RED);
1947		2747
1948	warn "ERROR in enter_exit: $@";	2748	warn "ERROR in enter_exit: $@";
1949	$self->leave_link;	2749	$self->leave_link;
1950	}	2750	}
1951	})->prio (1);	2751	})->prio (1);
…		…
1964		2764
1965	sub cf::client::send_drawinfo {	2765	sub cf::client::send_drawinfo {
1966	my ($self, $text, $flags) = @_;	2766	my ($self, $text, $flags) = @_;
1967		2767
1968	utf8::encode $text;	2768	utf8::encode $text;
1969	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2769	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1970	}	2770	}
1971		2771
		2772	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2773
		2774	Send a drawinfo or msg packet to the client, formatting the msg for the
		2775	client if neccessary. C<$type> should be a string identifying the type of
		2776	the message, with C<log> being the default. If C<$color> is negative, suppress
		2777	the message unless the client supports the msg packet.
		2778
		2779	=cut
		2780
		2781	# non-persistent channels (usually the info channel)
		2782	our %CHANNEL = (
		2783	"c/identify" => {
		2784	id => "infobox",
		2785	title => "Identify",
		2786	reply => undef,
		2787	tooltip => "Items recently identified",
		2788	},
		2789	"c/examine" => {
		2790	id => "infobox",
		2791	title => "Examine",
		2792	reply => undef,
		2793	tooltip => "Signs and other items you examined",
		2794	},
		2795	"c/book" => {
		2796	id => "infobox",
		2797	title => "Book",
		2798	reply => undef,
		2799	tooltip => "The contents of a note or book",
		2800	},
		2801	"c/lookat" => {
		2802	id => "infobox",
		2803	title => "Look",
		2804	reply => undef,
		2805	tooltip => "What you saw there",
		2806	},
		2807	"c/who" => {
		2808	id => "infobox",
		2809	title => "Players",
		2810	reply => undef,
		2811	tooltip => "Shows players who are currently online",
		2812	},
		2813	"c/body" => {
		2814	id => "infobox",
		2815	title => "Body Parts",
		2816	reply => undef,
		2817	tooltip => "Shows which body parts you posess and are available",
		2818	},
		2819	"c/uptime" => {
		2820	id => "infobox",
		2821	title => "Uptime",
		2822	reply => undef,
		2823	tooltip => "How long the server has been running since last restart",
		2824	},
		2825	"c/mapinfo" => {
		2826	id => "infobox",
		2827	title => "Map Info",
		2828	reply => undef,
		2829	tooltip => "Information related to the maps",
		2830	},
		2831	);
		2832
		2833	sub cf::client::send_msg {
		2834	my ($self, $channel, $msg, $color, @extra) = @_;
		2835
		2836	$msg = $self->pl->expand_cfpod ($msg);
		2837
		2838	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2839
		2840	# check predefined channels, for the benefit of C
		2841	if ($CHANNEL{$channel}) {
		2842	$channel = $CHANNEL{$channel};
		2843
		2844	$self->ext_msg (channel_info => $channel)
		2845	if $self->can_msg;
		2846
		2847	$channel = $channel->{id};
		2848
		2849	} elsif (ref $channel) {
		2850	# send meta info to client, if not yet sent
		2851	unless (exists $self->{channel}{$channel->{id}}) {
		2852	$self->{channel}{$channel->{id}} = $channel;
		2853	$self->ext_msg (channel_info => $channel)
		2854	if $self->can_msg;
		2855	}
		2856
		2857	$channel = $channel->{id};
		2858	}
		2859
		2860	return unless @extra || length $msg;
		2861
		2862	if ($self->can_msg) {
		2863	# default colour, mask it out
		2864	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2865	if $color & cf::NDI_DEF;
		2866
		2867	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2868	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2869	} else {
		2870	if ($color >= 0) {
		2871	# replace some tags by gcfclient-compatible ones
		2872	for ($msg) {
		2873	1 while
		2874	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2875	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2876	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2877	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2878	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2879	}
		2880
		2881	$color &= cf::NDI_COLOR_MASK;
		2882
		2883	utf8::encode $msg;
		2884
		2885	if (0 && $msg =~ /\[/) {
		2886	# COMMAND/INFO
		2887	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2888	} else {
		2889	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2890	$self->send_packet ("drawinfo $color $msg")
		2891	}
		2892	}
		2893	}
		2894	}
		2895
		2896	=item $client->ext_msg ($type, @msg)
		2897
		2898	Sends an ext event to the client.
		2899
		2900	=cut
		2901
		2902	sub cf::client::ext_msg($$@) {
		2903	my ($self, $type, @msg) = @_;
		2904
		2905	if ($self->extcmd == 2) {
		2906	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2907	} elsif ($self->extcmd == 1) { # TODO: remove
		2908	push @msg, msgtype => "event_$type";
		2909	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2910	}
		2911	}
		2912
		2913	=item $client->ext_reply ($msgid, @msg)
		2914
		2915	Sends an ext reply to the client.
		2916
		2917	=cut
		2918
		2919	sub cf::client::ext_reply($$@) {
		2920	my ($self, $id, @msg) = @_;
		2921
		2922	if ($self->extcmd == 2) {
		2923	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2924	} elsif ($self->extcmd == 1) {
		2925	#TODO: version 1, remove
		2926	unshift @msg, msgtype => "reply", msgid => $id;
		2927	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2928	}
		2929	}
1972		2930
1973	=item $success = $client->query ($flags, "text", \&cb)	2931	=item $success = $client->query ($flags, "text", \&cb)
1974		2932
1975	Queues a query to the client, calling the given callback with	2933	Queues a query to the client, calling the given callback with
1976	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2934	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1977	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2935	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1978		2936
1979	Queries can fail, so check the return code. Or don't, as queries will become	2937	Queries can fail, so check the return code. Or don't, as queries will
1980	reliable at some point in the future.	2938	become reliable at some point in the future.
1981		2939
1982	=cut	2940	=cut
1983		2941
1984	sub cf::client::query {	2942	sub cf::client::query {
1985	my ($self, $flags, $text, $cb) = @_;	2943	my ($self, $flags, $text, $cb) = @_;
…		…
1993	utf8::encode $text;	2951	utf8::encode $text;
1994	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2952	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1995		2953
1996	$self->send_packet ($self->{query_queue}[0][0])	2954	$self->send_packet ($self->{query_queue}[0][0])
1997	if @{ $self->{query_queue} } == 1;	2955	if @{ $self->{query_queue} } == 1;
		2956
		2957	1
1998	}	2958	}
1999		2959
2000	cf::client->attach (	2960	cf::client->attach (
		2961	on_connect => sub {
		2962	my ($ns) = @_;
		2963
		2964	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2965	},
2001	on_reply => sub {	2966	on_reply => sub {
2002	my ($ns, $msg) = @_;	2967	my ($ns, $msg) = @_;
2003		2968
2004	# this weird shuffling is so that direct followup queries	2969	# this weird shuffling is so that direct followup queries
2005	# get handled first	2970	# get handled first
…		…
2017	} else {	2982	} else {
2018	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2983	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2019	}	2984	}
2020	}	2985	}
2021	},	2986	},
		2987	on_exticmd => sub {
		2988	my ($ns, $buf) = @_;
		2989
		2990	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2991
		2992	if (ref $msg) {
		2993	my ($type, $reply, @payload) =
		2994	"ARRAY" eq ref $msg
		2995	? @$msg
		2996	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2997
		2998	my @reply;
		2999
		3000	if (my $cb = $EXTICMD{$type}) {
		3001	@reply = $cb->($ns, @payload);
		3002	}
		3003
		3004	$ns->ext_reply ($reply, @reply)
		3005	if $reply;
		3006
		3007	} else {
		3008	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3009	}
		3010
		3011	cf::override;
		3012	},
2022	);	3013	);
2023		3014
2024	=item $client->async (\&cb)	3015	=item $client->async (\&cb)
2025		3016
2026	Create a new coroutine, running the specified callback. The coroutine will	3017	Create a new coroutine, running the specified callback. The coroutine will
…		…
2067	our $safe = new Safe "safe";	3058	our $safe = new Safe "safe";
2068	our $safe_hole = new Safe::Hole;	3059	our $safe_hole = new Safe::Hole;
2069		3060
2070	$SIG{FPE} = 'IGNORE';	3061	$SIG{FPE} = 'IGNORE';
2071		3062
2072	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3063	$safe->permit_only (Opcode::opset qw(
		3064	:base_core :base_mem :base_orig :base_math
		3065	grepstart grepwhile mapstart mapwhile
		3066	sort time
		3067	));
2073		3068
2074	# here we export the classes and methods available to script code	3069	# here we export the classes and methods available to script code
2075		3070
2076	=pod	3071	=pod
2077		3072
2078	The following fucntions and emthods are available within a safe environment:	3073	The following functions and methods are available within a safe environment:
2079		3074
2080	cf::object contr pay_amount pay_player map	3075	cf::object
		3076	contr pay_amount pay_player map x y force_find force_add destroy
		3077	insert remove name archname title slaying race decrease_ob_nr
		3078
2081	cf::object::player player	3079	cf::object::player
2082	cf::player peaceful	3080	player
2083	cf::map trigger	3081
		3082	cf::player
		3083	peaceful
		3084
		3085	cf::map
		3086	trigger
2084		3087
2085	=cut	3088	=cut
2086		3089
2087	for (	3090	for (
2088	["cf::object" => qw(contr pay_amount pay_player map)],	3091	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3092	insert remove inv name archname title slaying race
		3093	decrease_ob_nr destroy)],
2089	["cf::object::player" => qw(player)],	3094	["cf::object::player" => qw(player)],
2090	["cf::player" => qw(peaceful)],	3095	["cf::player" => qw(peaceful)],
2091	["cf::map" => qw(trigger)],	3096	["cf::map" => qw(trigger)],
2092	) {	3097	) {
2093	no strict 'refs';	3098	no strict 'refs';
…		…
2164	=back	3169	=back
2165		3170
2166	=cut	3171	=cut
2167		3172
2168	#############################################################################	3173	#############################################################################
2169
2170	=head2 EXTENSION DATABASE SUPPORT
2171
2172	Crossfire maintains a very simple database for extension use. It can
2173	currently store anything that can be serialised using Storable, which
2174	excludes objects.
2175
2176	The parameter C<$family> should best start with the name of the extension
2177	using it, it should be unique.
2178
2179	=over 4
2180
2181	=item $hashref = cf::db_get $family
2182
2183	Return a hashref for use by the extension C<$family>, which can be
2184	modified. After modifications, you have to call C<cf::db_dirty> or
2185	C<cf::db_sync>.
2186
2187	=item $value = cf::db_get $family => $key
2188
2189	Returns a single value from the database
2190
2191	=item cf::db_put $family => $hashref
2192
2193	Stores the given family hashref into the database. Updates are delayed, if
2194	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2195
2196	=item cf::db_put $family => $key => $value
2197
2198	Stores the given C<$value> in the family hash. Updates are delayed, if you
2199	want the data to be synced to disk immediately, use C<cf::db_sync>.
2200
2201	=item cf::db_dirty
2202
2203	Marks the database as dirty, to be updated at a later time.
2204
2205	=item cf::db_sync
2206
2207	Immediately write the database to disk I<if it is dirty>.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	{
2214	my $path = cf::localdir . "/database.pst";
2215
2216	sub db_load() {
2217	$DB = stat $path ? Storable::retrieve $path : { };
2218	}
2219
2220	my $pid;
2221
2222	sub db_save() {
2223	waitpid $pid, 0 if $pid;
2224	if (0 == ($pid = fork)) {
2225	$DB->{_meta}{version} = 1;
2226	Storable::nstore $DB, "$path~";
2227	rename "$path~", $path;
2228	cf::_exit 0 if defined $pid;
2229	}
2230	}
2231
2232	my $dirty;
2233
2234	sub db_sync() {
2235	db_save if $dirty;
2236	undef $dirty;
2237	}
2238
2239	my $idle = Event->idle (
2240	reentrant => 0,
2241	min => 10,
2242	max => 20,
2243	repeat => 0,
2244	data => WF_AUTOCANCEL,
2245	cb => \&db_sync,
2246	);
2247
2248	sub db_dirty() {
2249	$dirty = 1;
2250	$idle->start;
2251	}
2252
2253	sub db_get($;$) {
2254	@_ >= 2
2255	? $DB->{$_[0]}{$_[1]}
2256	: ($DB->{$_[0]} ||= { })
2257	}
2258
2259	sub db_put($$;$) {
2260	if (@_ >= 3) {
2261	$DB->{$_[0]}{$_[1]} = $_[2];
2262	} else {
2263	$DB->{$_[0]} = $_[1];
2264	}
2265	db_dirty;
2266	}
2267
2268	cf::global->attach (
2269	prio => 10000,
2270	on_cleanup => sub {
2271	db_sync;
2272	},
2273	);
2274	}
2275
2276	#############################################################################
2277	# the server's init and main functions	3174	# the server's init and main functions
2278		3175
2279	sub load_resources {	3176	sub load_facedata($) {
2280	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3177	my ($path) = @_;
		3178
		3179	# HACK to clear player env face cache, we need some signal framework
		3180	# for this (global event?)
		3181	%ext::player_env::MUSIC_FACE_CACHE = ();
		3182
		3183	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3184
		3185	warn "loading facedata from $path\n";
		3186
		3187	my $facedata;
		3188	0 < aio_load $path, $facedata
		3189	or die "$path: $!";
		3190
		3191	$facedata = Coro::Storable::thaw $facedata;
		3192
		3193	$facedata->{version} == 2
		3194	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3195
		3196	# patch in the exptable
		3197	$facedata->{resource}{"res/exp_table"} = {
		3198	type => FT_RSRC,
		3199	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3200	};
		3201	cf::cede_to_tick;
		3202
		3203	{
		3204	my $faces = $facedata->{faceinfo};
		3205
		3206	while (my ($face, $info) = each %$faces) {
		3207	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3208
		3209	cf::face::set_visibility $idx, $info->{visibility};
		3210	cf::face::set_magicmap $idx, $info->{magicmap};
		3211	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3212	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3213
		3214	cf::cede_to_tick;
		3215	}
		3216
		3217	while (my ($face, $info) = each %$faces) {
		3218	next unless $info->{smooth};
		3219
		3220	my $idx = cf::face::find $face
		3221	or next;
		3222
		3223	if (my $smooth = cf::face::find $info->{smooth}) {
		3224	cf::face::set_smooth $idx, $smooth;
		3225	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3226	} else {
		3227	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3228	}
		3229
		3230	cf::cede_to_tick;
		3231	}
		3232	}
		3233
		3234	{
		3235	my $anims = $facedata->{animinfo};
		3236
		3237	while (my ($anim, $info) = each %$anims) {
		3238	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3239	cf::cede_to_tick;
		3240	}
		3241
		3242	cf::anim::invalidate_all; # d'oh
		3243	}
		3244
		3245	{
		3246	# TODO: for gcfclient pleasure, we should give resources
		3247	# that gcfclient doesn't grok a >10000 face index.
		3248	my $res = $facedata->{resource};
		3249
		3250	while (my ($name, $info) = each %$res) {
		3251	if (defined $info->{type}) {
		3252	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3253	my $data;
		3254
		3255	if ($info->{type} & 1) {
		3256	# prepend meta info
		3257
		3258	my $meta = $enc->encode ({
		3259	name => $name,
		3260	%{ $info->{meta} || {} },
		3261	});
		3262
		3263	$data = pack "(w/a*)*", $meta, $info->{data};
		3264	} else {
		3265	$data = $info->{data};
		3266	}
		3267
		3268	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3269	cf::face::set_type $idx, $info->{type};
		3270	} else {
		3271	$RESOURCE{$name} = $info;
		3272	}
		3273
		3274	cf::cede_to_tick;
		3275	}
		3276	}
		3277
		3278	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3279
		3280	1
		3281	}
		3282
		3283	cf::global->attach (on_resource_update => sub {
		3284	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3285	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3286
		3287	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3288	my $sound = $soundconf->{compat}[$_]
		3289	or next;
		3290
		3291	my $face = cf::face::find "sound/$sound->[1]";
		3292	cf::sound::set $sound->[0] => $face;
		3293	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3294	}
		3295
		3296	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3297	my $face = cf::face::find "sound/$v";
		3298	cf::sound::set $k => $face;
		3299	}
		3300	}
		3301	});
		3302
		3303	register_exticmd fx_want => sub {
		3304	my ($ns, $want) = @_;
		3305
		3306	while (my ($k, $v) = each %$want) {
		3307	$ns->fx_want ($k, $v);
		3308	}
		3309	};
		3310
		3311	sub reload_regions {
		3312	# HACK to clear player env face cache, we need some signal framework
		3313	# for this (global event?)
		3314	%ext::player_env::MUSIC_FACE_CACHE = ();
		3315
		3316	load_resource_file "$MAPDIR/regions"
2281	or die "unable to load regions file\n";#d#	3317	or die "unable to load regions file\n";
2282	}
2283		3318
2284	sub cfg_load {	3319	for (cf::region::list) {
		3320	$_->{match} = qr/$_->{match}/
		3321	if exists $_->{match};
		3322	}
		3323	}
		3324
		3325	sub reload_facedata {
		3326	load_facedata "$DATADIR/facedata"
		3327	or die "unable to load facedata\n";
		3328	}
		3329
		3330	sub reload_archetypes {
		3331	load_resource_file "$DATADIR/archetypes"
		3332	or die "unable to load archetypes\n";
		3333	#d# NEED to laod twice to resolve forward references
		3334	# this really needs to be done in an extra post-pass
		3335	# (which needs to be synchronous, so solve it differently)
		3336	load_resource_file "$DATADIR/archetypes"
		3337	or die "unable to load archetypes\n";
		3338	}
		3339
		3340	sub reload_treasures {
		3341	load_resource_file "$DATADIR/treasures"
		3342	or die "unable to load treasurelists\n";
		3343	}
		3344
		3345	sub reload_resources {
		3346	warn "reloading resource files...\n";
		3347
		3348	reload_regions;
		3349	reload_facedata;
		3350	#reload_archetypes;#d#
		3351	reload_archetypes;
		3352	reload_treasures;
		3353
		3354	warn "finished reloading resource files\n";
		3355	}
		3356
		3357	sub init {
		3358	reload_resources;
		3359	}
		3360
		3361	sub reload_config {
2285	open my $fh, "<:utf8", cf::confdir . "/config"	3362	open my $fh, "<:utf8", "$CONFDIR/config"
2286	or return;	3363	or return;
2287		3364
2288	local $/;	3365	local $/;
2289	*CFG = YAML::Syck::Load <$fh>;	3366	*CFG = YAML::Load <$fh>;
2290		3367
2291	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3368	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2292		3369
2293	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3370	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2294	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3371	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2300	};	3377	};
2301	warn $@ if $@;	3378	warn $@ if $@;
2302	}	3379	}
2303	}	3380	}
2304		3381
2305	sub init {
2306	load_resources;
2307	}
2308
2309	sub main {	3382	sub main {
2310	# we must not ever block the main coroutine	3383	# we must not ever block the main coroutine
2311	local $Coro::idle = sub {	3384	local $Coro::idle = sub {
2312	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3385	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2313	(async {	3386	(async {
2314	Event::one_event;	3387	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3388	EV::loop EV::LOOP_ONESHOT;
2315	})->prio (Coro::PRIO_MAX);	3389	})->prio (Coro::PRIO_MAX);
2316	};	3390	};
2317		3391
2318	cfg_load;	3392	reload_config;
2319	db_load;	3393	db_init;
2320	load_extensions;	3394	load_extensions;
2321		3395
2322	$TICK_WATCHER->start;	3396	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3397	evthread_start IO::AIO::poll_fileno;
2323	Event::loop;	3398	EV::loop;
2324	}	3399	}
2325		3400
2326	#############################################################################	3401	#############################################################################
2327	# initialisation and cleanup	3402	# initialisation and cleanup
2328		3403
2329	# install some emergency cleanup handlers	3404	# install some emergency cleanup handlers
2330	BEGIN {	3405	BEGIN {
		3406	our %SIGWATCHER = ();
2331	for my $signal (qw(INT HUP TERM)) {	3407	for my $signal (qw(INT HUP TERM)) {
2332	Event->signal (	3408	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2333	reentrant => 0,
2334	data => WF_AUTOCANCEL,
2335	signal => $signal,
2336	prio => 0,
2337	cb => sub {
2338	cf::cleanup "SIG$signal";	3409	cf::cleanup "SIG$signal";
2339	},
2340	);	3410	};
		3411	}
		3412	}
		3413
		3414	sub write_runtime_sync {
		3415	my $runtime = "$LOCALDIR/runtime";
		3416
		3417	# first touch the runtime file to show we are still running:
		3418	# the fsync below can take a very very long time.
		3419
		3420	IO::AIO::aio_utime $runtime, undef, undef;
		3421
		3422	my $guard = cf::lock_acquire "write_runtime";
		3423
		3424	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3425	or return;
		3426
		3427	my $value = $cf::RUNTIME + 90 + 10;
		3428	# 10 is the runtime save interval, for a monotonic clock
		3429	# 60 allows for the watchdog to kill the server.
		3430
		3431	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3432	and return;
		3433
		3434	# always fsync - this file is important
		3435	aio_fsync $fh
		3436	and return;
		3437
		3438	# touch it again to show we are up-to-date
		3439	aio_utime $fh, undef, undef;
		3440
		3441	close $fh
		3442	or return;
		3443
		3444	aio_rename "$runtime~", $runtime
		3445	and return;
		3446
		3447	warn "runtime file written.\n";
		3448
2341	}	3449	1
		3450	}
		3451
		3452	our $uuid_lock;
		3453	our $uuid_skip;
		3454
		3455	sub write_uuid_sync($) {
		3456	$uuid_skip ||= $_[0];
		3457
		3458	return if $uuid_lock;
		3459	local $uuid_lock = 1;
		3460
		3461	my $uuid = "$LOCALDIR/uuid";
		3462
		3463	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3464	or return;
		3465
		3466	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3467	$uuid_skip = 0;
		3468
		3469	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3470	and return;
		3471
		3472	# always fsync - this file is important
		3473	aio_fsync $fh
		3474	and return;
		3475
		3476	close $fh
		3477	or return;
		3478
		3479	aio_rename "$uuid~", $uuid
		3480	and return;
		3481
		3482	warn "uuid file written ($value).\n";
		3483
		3484	1
		3485
		3486	}
		3487
		3488	sub write_uuid($$) {
		3489	my ($skip, $sync) = @_;
		3490
		3491	$sync ? write_uuid_sync $skip
		3492	: async { write_uuid_sync $skip };
2342	}	3493	}
2343		3494
2344	sub emergency_save() {	3495	sub emergency_save() {
2345	my $freeze_guard = cf::freeze_mainloop;	3496	my $freeze_guard = cf::freeze_mainloop;
2346		3497
…		…
2352	# and maps saved/destroyed asynchronously.	3503	# and maps saved/destroyed asynchronously.
2353	warn "begin emergency player save\n";	3504	warn "begin emergency player save\n";
2354	for my $login (keys %cf::PLAYER) {	3505	for my $login (keys %cf::PLAYER) {
2355	my $pl = $cf::PLAYER{$login} or next;	3506	my $pl = $cf::PLAYER{$login} or next;
2356	$pl->valid or next;	3507	$pl->valid or next;
		3508	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2357	$pl->save;	3509	$pl->save;
2358	}	3510	}
2359	warn "end emergency player save\n";	3511	warn "end emergency player save\n";
2360		3512
2361	warn "begin emergency map save\n";	3513	warn "begin emergency map save\n";
…		…
2363	my $map = $cf::MAP{$path} or next;	3515	my $map = $cf::MAP{$path} or next;
2364	$map->valid or next;	3516	$map->valid or next;
2365	$map->save;	3517	$map->save;
2366	}	3518	}
2367	warn "end emergency map save\n";	3519	warn "end emergency map save\n";
		3520
		3521	warn "begin emergency database checkpoint\n";
		3522	BDB::db_env_txn_checkpoint $DB_ENV;
		3523	warn "end emergency database checkpoint\n";
		3524
		3525	warn "begin write uuid\n";
		3526	write_uuid_sync 1;
		3527	warn "end write uuid\n";
2368	};	3528	};
2369		3529
2370	warn "leave emergency perl save\n";	3530	warn "leave emergency perl save\n";
2371	}	3531	}
2372		3532
		3533	sub post_cleanup {
		3534	my ($make_core) = @_;
		3535
		3536	warn Carp::longmess "post_cleanup backtrace"
		3537	if $make_core;
		3538	}
		3539
2373	sub reload() {	3540	sub do_reload_perl() {
2374	# can/must only be called in main	3541	# can/must only be called in main
2375	if ($Coro::current != $Coro::main) {	3542	if ($Coro::current != $Coro::main) {
2376	warn "can only reload from main coroutine";	3543	warn "can only reload from main coroutine";
2377	return;	3544	return;
2378	}	3545	}
2379		3546
2380	warn "reloading...";	3547	warn "reloading...";
2381		3548
2382	warn "cancelling server ticker";	3549	warn "entering sync_job";
2383	$TICK_WATCHER->cancel;
2384		3550
		3551	cf::sync_job {
		3552	cf::write_runtime_sync; # external watchdog should not bark
2385	cf::emergency_save;	3553	cf::emergency_save;
		3554	cf::write_runtime_sync; # external watchdog should not bark
2386		3555
2387	eval {	3556	warn "syncing database to disk";
		3557	BDB::db_env_txn_checkpoint $DB_ENV;
		3558
2388	# if anything goes wrong in here, we should simply crash as we already saved	3559	# if anything goes wrong in here, we should simply crash as we already saved
2389
2390	warn "syncing database to disk";
2391	cf::db_sync;
2392
2393	warn "cancelling all WF_AUTOCANCEL watchers";
2394	for (Event::all_watchers) {
2395	$_->cancel if $_->data & WF_AUTOCANCEL;
2396	}
2397		3560
2398	warn "flushing outstanding aio requests";	3561	warn "flushing outstanding aio requests";
2399	for (;;) {	3562	for (;;) {
		3563	BDB::flush;
2400	IO::AIO::flush;	3564	IO::AIO::flush;
2401	Coro::cede;	3565	Coro::cede_notself;
2402	last unless IO::AIO::nreqs;	3566	last unless IO::AIO::nreqs || BDB::nreqs;
2403	warn "iterate...";	3567	warn "iterate...";
2404	}	3568	}
		3569
		3570	++$RELOAD;
2405		3571
2406	warn "cancelling all extension coros";	3572	warn "cancelling all extension coros";
2407	$_->cancel for values %EXT_CORO;	3573	$_->cancel for values %EXT_CORO;
2408	%EXT_CORO = ();	3574	%EXT_CORO = ();
2409		3575
2410	warn "removing commands";	3576	warn "removing commands";
2411	%COMMAND = ();	3577	%COMMAND = ();
2412		3578
2413	warn "removing ext commands";	3579	warn "removing ext/exti commands";
2414	%EXTCMD = ();	3580	%EXTCMD = ();
		3581	%EXTICMD = ();
2415		3582
2416	warn "unloading/nuking all extensions";	3583	warn "unloading/nuking all extensions";
2417	for my $pkg (@EXTS) {	3584	for my $pkg (@EXTS) {
2418	warn "... unloading $pkg";	3585	warn "... unloading $pkg";
2419		3586
…		…
2449	Symbol::delete_package "safe::$_"	3616	Symbol::delete_package "safe::$_"
2450	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3617	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2451		3618
2452	warn "unloading cf.pm \"a bit\"";	3619	warn "unloading cf.pm \"a bit\"";
2453	delete $INC{"cf.pm"};	3620	delete $INC{"cf.pm"};
		3621	delete $INC{"cf/pod.pm"};
2454		3622
2455	# don't, removes xs symbols, too,	3623	# don't, removes xs symbols, too,
2456	# and global variables created in xs	3624	# and global variables created in xs
2457	#Symbol::delete_package __PACKAGE__;	3625	#Symbol::delete_package __PACKAGE__;
2458		3626
…		…
2461	warn "reloading cf.pm";	3629	warn "reloading cf.pm";
2462	require cf;	3630	require cf;
2463	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3631	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2464		3632
2465	warn "loading config and database again";	3633	warn "loading config and database again";
2466	cf::cfg_load;	3634	cf::reload_config;
2467	cf::db_load;
2468		3635
2469	warn "loading extensions";	3636	warn "loading extensions";
2470	cf::load_extensions;	3637	cf::load_extensions;
2471		3638
2472	warn "reattaching attachments to objects/players";	3639	warn "reattaching attachments to objects/players";
2473	_global_reattach;	3640	_global_reattach; # objects, sockets
2474	warn "reattaching attachments to maps";	3641	warn "reattaching attachments to maps";
2475	reattach $_ for values %MAP;	3642	reattach $_ for values %MAP;
		3643	warn "reattaching attachments to players";
		3644	reattach $_ for values %PLAYER;
2476		3645
2477	warn "loading reloadable resources";	3646	warn "leaving sync_job";
2478	load_resources;
2479		3647
2480	warn "restarting server ticker";	3648	1
2481		3649	} or do {
2482	$TICK_WATCHER->start;	3650	warn $@;
		3651	cf::cleanup "error while reloading, exiting.";
2483	};	3652	};
2484
2485	if ($@) {
2486	warn $@;
2487	warn "error while reloading, exiting.";
2488	exit 1;
2489	}
2490		3653
2491	warn "reloaded";	3654	warn "reloaded";
2492	};	3655	};
2493		3656
2494	our $RELOAD_WATCHER; # used only during reload	3657	our $RELOAD_WATCHER; # used only during reload
2495		3658
		3659	sub reload_perl() {
		3660	# doing reload synchronously and two reloads happen back-to-back,
		3661	# coro crashes during coro_state_free->destroy here.
		3662
		3663	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3664	do_reload_perl;
		3665	undef $RELOAD_WATCHER;
		3666	};
		3667	}
		3668
2496	register_command "reload" => sub {	3669	register_command "reload" => sub {
2497	my ($who, $arg) = @_;	3670	my ($who, $arg) = @_;
2498		3671
2499	if ($who->flag (FLAG_WIZ)) {	3672	if ($who->flag (FLAG_WIZ)) {
2500	$who->message ("reloading server.");	3673	$who->message ("reloading server.");
2501		3674	async {
2502	# doing reload synchronously and two reloads happen back-to-back,	3675	$Coro::current->{desc} = "perl_reload";
2503	# coro crashes during coro_state_free->destroy here.
2504
2505	$RELOAD_WATCHER ||= Event->timer (
2506	reentrant => 0,
2507	after => 0,
2508	data => WF_AUTOCANCEL,
2509	cb => sub {
2510	reload;	3676	reload_perl;
2511	undef $RELOAD_WATCHER;
2512	},
2513	);	3677	};
2514	}	3678	}
2515	};	3679	};
2516		3680
2517	unshift @INC, $LIBDIR;	3681	unshift @INC, $LIBDIR;
2518		3682
2519	my $bug_warning = 0;	3683	my $bug_warning = 0;
2520		3684
2521	$TICK_WATCHER = Event->timer (	3685	our @WAIT_FOR_TICK;
2522	reentrant => 0,	3686	our @WAIT_FOR_TICK_BEGIN;
2523	parked => 1,	3687
2524	prio => 0,	3688	sub wait_for_tick {
2525	at => $NEXT_TICK || $TICK,	3689	return if tick_inhibit;
2526	data => WF_AUTOCANCEL,	3690	return if $Coro::current == $Coro::main;
2527	cb => sub {	3691
		3692	my $signal = new Coro::Signal;
		3693	push @WAIT_FOR_TICK, $signal;
		3694	$signal->wait;
		3695	}
		3696
		3697	sub wait_for_tick_begin {
		3698	return if tick_inhibit;
		3699	return if $Coro::current == $Coro::main;
		3700
		3701	my $signal = new Coro::Signal;
		3702	push @WAIT_FOR_TICK_BEGIN, $signal;
		3703	$signal->wait;
		3704	}
		3705
		3706	sub tick {
2528	if ($Coro::current != $Coro::main) {	3707	if ($Coro::current != $Coro::main) {
2529	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3708	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2530	unless ++$bug_warning > 10;	3709	unless ++$bug_warning > 10;
2531	return;	3710	return;
2532	}	3711	}
2533		3712
2534	$NOW = Event::time;
2535
2536	cf::server_tick; # one server iteration	3713	cf::server_tick; # one server iteration
2537	$RUNTIME += $TICK;
2538	$NEXT_TICK += $TICK;
2539		3714
2540	$WAIT_FOR_TICK->broadcast;	3715	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2541	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3716	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2542		3717	Coro::async_pool {
2543	Event::sweep;	3718	$Coro::current->{desc} = "runtime saver";
2544	Coro::cede_notself;
2545
2546	# my $AFTER = Event::time;
2547	# warn $AFTER - $NOW;#d#
2548
2549	# if we are delayed by four ticks or more, skip them all
2550	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2551
2552	$TICK_WATCHER->at ($NEXT_TICK);
2553	$TICK_WATCHER->start;
2554	},
2555	);
2556
2557	IO::AIO::max_poll_time $TICK * 0.1;
2558
2559	undef $Coro::AIO::WATCHER;
2560	$AIO_POLL_WATCHER = Event->io (
2561	reentrant => 0,
2562	fd => IO::AIO::poll_fileno,
2563	poll => 'r',
2564	prio => 6,
2565	data => WF_AUTOCANCEL,
2566	cb => \&IO::AIO::poll_cb,
2567	);
2568
2569	$WRITE_RUNTIME_WATCHER = Event->timer (
2570	reentrant => 0,
2571	data => WF_AUTOCANCEL,
2572	after => 1,
2573	interval => 10,
2574	prio => 6, # keep it lowest so it acts like a watchdog
2575	cb => Coro::unblock_sub {
2576	write_runtime	3719	write_runtime_sync
2577	or warn "ERROR: unable to write runtime file: $!";	3720	or warn "ERROR: unable to write runtime file: $!";
		3721	};
2578	},	3722	}
2579	);	3723
		3724	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3725	$sig->send;
		3726	}
		3727	while (my $sig = shift @WAIT_FOR_TICK) {
		3728	$sig->send;
		3729	}
		3730
		3731	$LOAD = ($NOW - $TICK_START) / $TICK;
		3732	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3733
		3734	if (0) {
		3735	if ($NEXT_TICK) {
		3736	my $jitter = $TICK_START - $NEXT_TICK;
		3737	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3738	warn "jitter $JITTER\n";#d#
		3739	}
		3740	}
		3741	}
		3742
		3743	{
		3744	# configure BDB
		3745
		3746	BDB::min_parallel 8;
		3747	BDB::max_poll_reqs $TICK * 0.1;
		3748	$Coro::BDB::WATCHER->priority (1);
		3749
		3750	unless ($DB_ENV) {
		3751	$DB_ENV = BDB::db_env_create;
		3752	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3753	| BDB::LOG_AUTOREMOVE, 1);
		3754	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3755	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3756
		3757	cf::sync_job {
		3758	eval {
		3759	BDB::db_env_open
		3760	$DB_ENV,
		3761	$BDBDIR,
		3762	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3763	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3764	0666;
		3765
		3766	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3767	};
		3768
		3769	cf::cleanup "db_env_open(db): $@" if $@;
		3770	};
		3771	}
		3772
		3773	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3774	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3775	};
		3776	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3777	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3778	};
		3779	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3780	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3781	};
		3782	}
		3783
		3784	{
		3785	# configure IO::AIO
		3786
		3787	IO::AIO::min_parallel 8;
		3788	IO::AIO::max_poll_time $TICK * 0.1;
		3789	$Coro::AIO::WATCHER->priority (1);
		3790	}
		3791
		3792	my $_log_backtrace;
		3793
		3794	sub _log_backtrace {
		3795	my ($msg, @addr) = @_;
		3796
		3797	$msg =~ s/\n//;
		3798
		3799	# limit the # of concurrent backtraces
		3800	if ($_log_backtrace < 2) {
		3801	++$_log_backtrace;
		3802	async {
		3803	$Coro::current->{desc} = "abt $msg";
		3804
		3805	my @bt = fork_call {
		3806	@addr = map { sprintf "%x", $_ } @addr;
		3807	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3808	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3809	or die "addr2line: $!";
		3810
		3811	my @funcs;
		3812	my @res = <$fh>;
		3813	chomp for @res;
		3814	while (@res) {
		3815	my ($func, $line) = splice @res, 0, 2, ();
		3816	push @funcs, "[$func] $line";
		3817	}
		3818
		3819	@funcs
		3820	};
		3821
		3822	LOG llevInfo, "[ABT] $msg\n";
		3823	LOG llevInfo, "[ABT] $_\n" for @bt;
		3824	--$_log_backtrace;
		3825	};
		3826	} else {
		3827	LOG llevInfo, "[ABT] $msg\n";
		3828	LOG llevInfo, "[ABT] [suppressed]\n";
		3829	}
		3830	}
		3831
		3832	# load additional modules
		3833	use cf::pod;
2580		3834
2581	END { cf::emergency_save }	3835	END { cf::emergency_save }
2582		3836
2583	1	3837	1
2584		3838

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