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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.166 by root, Sat Jan 13 23:06:13 2007 UTC vs.
Revision 1.432 by root, Mon May 5 22:38:47 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 3.3 ();	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;
		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(!)
48	our $TICK_WATCHER;	95	our $AIO_POLL_WATCHER;
		96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	97	our $NEXT_TICK;
50	our $NOW;	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
		99
		100	our $BDB_POLL_WATCHER;
		101	our $BDB_DEADLOCK_WATCHER;
		102	our $BDB_CHECKPOINT_WATCHER;
		103	our $BDB_TRICKLE_WATCHER;
		104	our $DB_ENV;
51		105
52	our %CFG;	106	our %CFG;
53		107
54	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
56		111
57	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
58	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
59	our $LINK_MAP; # the special {link} map, which is always available	114	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
64		115
65	# 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 ∕
66	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
67		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 $TICK_START; # for load detecting purposes
		123
68	binmode STDOUT;	124	binmode STDOUT;
69	binmode STDERR;	125	binmode STDERR;
70		126
71	# read virtual server time, if available	127	# read virtual server time, if available
72	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	128	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
73	open my $fh, "<", cf::localdir . "/runtime"	129	open my $fh, "<", "$LOCALDIR/runtime"
74	or die "unable to read runtime file: $!";	130	or die "unable to read runtime file: $!";
75	$RUNTIME = <$fh> + 0.;	131	$RUNTIME = <$fh> + 0.;
76	}	132	}
77		133
78	mkdir cf::localdir;	134	mkdir $_
79	mkdir cf::localdir . "/" . cf::playerdir;	135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
80	mkdir cf::localdir . "/" . cf::tmpdir;
81	mkdir cf::localdir . "/" . cf::uniquedir;
82	mkdir $RANDOM_MAPS;
83		136
84	our $EMERGENCY_POSITION;	137	our $EMERGENCY_POSITION;
		138
		139	sub cf::map::normalise;
85		140
86	#############################################################################	141	#############################################################################
87		142
88	=head2 GLOBAL VARIABLES	143	=head2 GLOBAL VARIABLES
89		144
…		…
96	=item $cf::RUNTIME	151	=item $cf::RUNTIME
97		152
98	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
99	every server tick.	154	every server tick.
100		155
101	=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
102		159
103	The perl library directory, where extensions and cf-specific modules can	160	Various directories - "/etc", read-only install directory, perl-library
104	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.
105		164
106	=item $cf::NOW	165	=item $cf::NOW
107		166
108	The time of the last (current) server tick.	167	The time of the last (current) server tick.
109		168
110	=item $cf::TICK	169	=item $cf::TICK
111		170
112	The interval between server ticks, in seconds.	171	The interval between server ticks, in seconds.
113		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
114	=item %cf::CFG	183	=item %cf::CFG
115		184
116	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
117	from wherever your confdir points to.	186	from wherever your confdir points to.
118		187
119	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
120		189
121	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
122	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
123	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.
124	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.
125		199
126	=back	200	=back
127		201
128	=cut	202	=cut
129		203
130	BEGIN {	204	BEGIN {
131	*CORE::GLOBAL::warn = sub {	205	*CORE::GLOBAL::warn = sub {
132	my $msg = join "", @_;	206	my $msg = join "", @_;
133	utf8::encode $msg;
134		207
135	$msg .= "\n"	208	$msg .= "\n"
136	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
137		210
		211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		212
138	LOG llevError, $msg;	213	LOG llevError, $msg;
139	};	214	};
140	}	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#?
141		231
142	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
143	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
144	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
145	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
146	@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';
147	@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)
148		239
149	# 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
150	# within the Safe compartment.	241	# within the Safe compartment.
151	for my $pkg (qw(	242	for my $pkg (qw(
152	cf::global cf::attachable	243	cf::global cf::attachable
…		…
157	)) {	248	)) {
158	no strict 'refs';	249	no strict 'refs';
159	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
160	}	251	}
161		252
162	$Event::DIED = sub {	253	$EV::DIED = sub {
163	warn "error in event callback: @_";	254	warn "error in event callback: @_";
164	};	255	};
		256
		257	#############################################################################
165		258
166	=head2 UTILITY FUNCTIONS	259	=head2 UTILITY FUNCTIONS
167		260
168	=over 4	261	=over 4
169		262
…		…
188	$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;
189	$d	282	$d
190	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
191	}	284	}
192		285
193	use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
196		287
197	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
198		289
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
207		291
208	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
209		293
210	=cut	294	=cut
211		295
212	sub to_json($) {	296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	297
214	JSON::Syck::Dump $_[0]	298	sub encode_json($) { $json_coder->encode ($_[0]) }
215	}	299	sub decode_json($) { $json_coder->decode ($_[0]) }
216		300
217	=item cf::lock_wait $string	301	=item cf::lock_wait $string
218		302
219	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
220		304
…		…
223	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
224	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,
225	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
226	returned.	310	returned.
227		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
228	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
229	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
230		317
		318	=item $locked = cf::lock_active $string
		319
		320	Return true if the lock is currently active, i.e. somebody has locked it.
		321
231	=cut	322	=cut
232		323
233	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
234		326
235	sub lock_wait($) {	327	sub lock_wait($) {
236	my ($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#
237		334
238	# wait for lock, if any	335	# wait for lock, if any
239	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
240	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
241	Coro::schedule;	338	Coro::schedule;
…		…
247		344
248	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
249	lock_wait $key;	346	lock_wait $key;
250		347
251	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
252		350
253	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
254	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
256	}	355	}
257	}	356	}
258		357
		358	sub lock_active($) {
		359	my ($key) = @_;
		360
		361	! ! $LOCK{$key}
		362	}
		363
259	sub freeze_mainloop {	364	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
261		366
262	my $guard = Coro::guard { $TICK_WATCHER->start };	367	Coro::guard \&tick_inhibit_dec;
263	$TICK_WATCHER->stop;	368	}
264	$guard	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($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
		383	}
		384
		385	=item cf::get_slot $time[, $priority[, $name]]
		386
		387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		388	This call blocks and returns only when you have at least C<$time> seconds
		389	of cpu time till the next tick. The slot is only valid till the next cede.
		390
		391	The optional C<$name> can be used to identify the job to run. It might be
		392	used for statistical purposes and should identify the same time-class.
		393
		394	Useful for short background jobs.
		395
		396	=cut
		397
		398	our @SLOT_QUEUE;
		399	our $SLOT_QUEUE;
		400
		401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
		405	my $signal = new Coro::Signal;
		406
		407	while () {
		408	next_job:
		409	my $avail = cf::till_tick;
		410	if ($avail > 0.01) {
		411	for (0 .. $#SLOT_QUEUE) {
		412	if ($SLOT_QUEUE[$_][0] < $avail) {
		413	my $job = splice @SLOT_QUEUE, $_, 1, ();
		414	$job->[2]->send;
		415	Coro::cede;
		416	goto next_job;
		417	}
		418	}
		419	}
		420
		421	if (@SLOT_QUEUE) {
		422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		423	push @cf::WAIT_FOR_TICK, $signal;
		424	$signal->wait;
		425	} else {
		426	Coro::schedule;
		427	}
		428	}
		429	};
		430
		431	sub get_slot($;$$) {
		432	return if tick_inhibit || $Coro::current == $Coro::main;
		433
		434	my ($time, $pri, $name) = @_;
		435
		436	$time = $TICK * .6 if $time > $TICK * .6;
		437	my $sig = new Coro::Signal;
		438
		439	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		440	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		441	$SLOT_QUEUE->ready;
		442	$sig->wait;
265	}	443	}
266		444
267	=item cf::async { BLOCK }	445	=item cf::async { BLOCK }
268		446
269	Currently the same as Coro::async_pool, meaning you cannot use	447	Currently the same as Coro::async_pool, meaning you cannot use
…		…
274		452
275	BEGIN { *async = \&Coro::async_pool }	453	BEGIN { *async = \&Coro::async_pool }
276		454
277	=item cf::sync_job { BLOCK }	455	=item cf::sync_job { BLOCK }
278		456
279	The design of crossfire+ requires that the main coro ($Coro::main) is	457	The design of Deliantra requires that the main coroutine ($Coro::main)
280	always able to handle events or runnable, as crossfire+ is only partly	458	is always able to handle events or runnable, as Deliantra is only
281	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	459	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		460	acceptable.
282		461
283	If it must be done, put the blocking parts into C<sync_job>. This will run	462	If it must be done, put the blocking parts into C<sync_job>. This will run
284	the given BLOCK in another coroutine while waiting for the result. The	463	the given BLOCK in another coroutine while waiting for the result. The
285	server will be frozen during this time, so the block should either finish	464	server will be frozen during this time, so the block should either finish
286	fast or be very important.	465	fast or be very important.
…		…
289		468
290	sub sync_job(&) {	469	sub sync_job(&) {
291	my ($job) = @_;	470	my ($job) = @_;
292		471
293	if ($Coro::current == $Coro::main) {	472	if ($Coro::current == $Coro::main) {
		473	my $time = EV::time;
		474
294	# this is the main coro, too bad, we have to block	475	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	476	# till the operation succeeds, freezing the server :/
296		477
297	# TODO: use suspend/resume instead	478	LOG llevError, Carp::longmess "sync job";#d#
298	# (but this is cancel-safe)	479
299	my $freeze_guard = freeze_mainloop;	480	my $freeze_guard = freeze_mainloop;
300		481
301	my $busy = 1;	482	my $busy = 1;
302	my @res;	483	my @res;
303		484
304	(async {	485	(async {
		486	$Coro::current->desc ("sync job coro");
305	@res = eval { $job->() };	487	@res = eval { $job->() };
306	warn $@ if $@;	488	warn $@ if $@;
307	undef $busy;	489	undef $busy;
308	})->prio (Coro::PRIO_MAX);	490	})->prio (Coro::PRIO_MAX);
309		491
310	while ($busy) {	492	while ($busy) {
311	Coro::cede or Event::one_event;	493	if (Coro::nready) {
		494	Coro::cede_notself;
		495	} else {
		496	EV::loop EV::LOOP_ONESHOT;
312	}	497	}
		498	}
		499
		500	my $time = EV::time - $time;
		501
		502	$TICK_START += $time; # do not account sync jobs to server load
313		503
314	wantarray ? @res : $res[0]	504	wantarray ? @res : $res[0]
315	} else {	505	} else {
316	# we are in another coroutine, how wonderful, everything just works	506	# we are in another coroutine, how wonderful, everything just works
317		507
…		…
337	$EXT_CORO{$coro+0} = $coro;	527	$EXT_CORO{$coro+0} = $coro;
338		528
339	$coro	529	$coro
340	}	530	}
341		531
342	sub write_runtime {	532	=item fork_call { }, $args
343	return unless $TICK_WATCHER->is_active;
344		533
345	my $runtime = cf::localdir . "/runtime";	534	Executes the given code block with the given arguments in a seperate
		535	process, returning the results. Everything must be serialisable with
		536	Coro::Storable. May, of course, block. Note that the executed sub may
		537	never block itself or use any form of event handling.
346		538
347	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	539	=cut
348	or return;
349		540
350	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	541	sub fork_call(&@) {
351	(aio_write $fh, 0, (length $value), $value, 0) <= 0	542	my ($cb, @args) = @_;
352	and return;
353		543
354	aio_fsync $fh	544	# we seemingly have to make a local copy of the whole thing,
355	and return;	545	# otherwise perl prematurely frees the stuff :/
		546	# TODO: investigate and fix (likely this will be rather laborious)
356		547
357	close $fh	548	my @res = Coro::Util::fork_eval {
358	or return;	549	reset_signals;
		550	&$cb
		551	}, @args;
359		552
360	aio_rename "$runtime~", $runtime	553	wantarray ? @res : $res[-1]
361	and return;	554	}
362		555
		556	=item $coin = coin_from_name $name
		557
		558	=cut
		559
		560	our %coin_alias = (
		561	"silver" => "silvercoin",
		562	"silvercoin" => "silvercoin",
		563	"silvercoins" => "silvercoin",
		564	"gold" => "goldcoin",
		565	"goldcoin" => "goldcoin",
		566	"goldcoins" => "goldcoin",
		567	"platinum" => "platinacoin",
		568	"platinumcoin" => "platinacoin",
		569	"platinumcoins" => "platinacoin",
		570	"platina" => "platinacoin",
		571	"platinacoin" => "platinacoin",
		572	"platinacoins" => "platinacoin",
		573	"royalty" => "royalty",
		574	"royalties" => "royalty",
		575	);
		576
		577	sub coin_from_name($) {
		578	$coin_alias{$_[0]}
		579	? cf::arch::find $coin_alias{$_[0]}
		580	: undef
		581	}
		582
		583	=item $value = cf::db_get $family => $key
		584
		585	Returns a single value from the environment database.
		586
		587	=item cf::db_put $family => $key => $value
		588
		589	Stores the given C<$value> in the family. It can currently store binary
		590	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		591
		592	=item $db = cf::db_table "name"
		593
		594	Create and/or open a new database table. The string must not be "db" and must be unique
		595	within each server.
		596
		597	=cut
		598
		599	sub db_table($) {
		600	my ($name) = @_;
		601	my $db = BDB::db_create $DB_ENV;
		602
		603	eval {
		604	$db->set_flags (BDB::CHKSUM);
		605
		606	utf8::encode $name;
		607	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		608	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		609	cf::cleanup "db_open(db): $!" if $!;
		610	};
		611	cf::cleanup "db_open(db): $@" if $@;
		612
		613	$db
		614	}
		615
		616	our $DB;
		617
		618	sub db_init {
		619	cf::sync_job {
		620	$DB ||= db_table "db";
		621	};
		622	}
		623
		624	sub db_get($$) {
		625	my $key = "$_[0]/$_[1]";
		626
		627	cf::sync_job {
		628	BDB::db_get $DB, undef, $key, my $data;
		629
		630	$! ? ()
		631	: $data
363	1	632	}
		633	}
		634
		635	sub db_put($$$) {
		636	BDB::dbreq_pri 4;
		637	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		638	}
		639
		640	=item cf::cache $id => [$paths...], $processversion => $process
		641
		642	Generic caching function that returns the value of the resource $id,
		643	caching and regenerating as required.
		644
		645	This function can block.
		646
		647	=cut
		648
		649	sub cache {
		650	my ($id, $src, $processversion, $process) = @_;
		651
		652	my $meta =
		653	join "\x00",
		654	$processversion,
		655	map {
		656	aio_stat $_
		657	and Carp::croak "$_: $!";
		658
		659	($_, (stat _)[7,9])
		660	} @$src;
		661
		662	my $dbmeta = db_get cache => "$id/meta";
		663	if ($dbmeta ne $meta) {
		664	# changed, we may need to process
		665
		666	my @data;
		667	my $md5;
		668
		669	for (0 .. $#$src) {
		670	0 <= aio_load $src->[$_], $data[$_]
		671	or Carp::croak "$src->[$_]: $!";
		672	}
		673
		674	# if processing is expensive, check
		675	# checksum first
		676	if (1) {
		677	$md5 =
		678	join "\x00",
		679	$processversion,
		680	map {
		681	cf::cede_to_tick;
		682	($src->[$_], Digest::MD5::md5_hex $data[$_])
		683	} 0.. $#$src;
		684
		685
		686	my $dbmd5 = db_get cache => "$id/md5";
		687	if ($dbmd5 eq $md5) {
		688	db_put cache => "$id/meta", $meta;
		689
		690	return db_get cache => "$id/data";
		691	}
		692	}
		693
		694	my $t1 = Time::HiRes::time;
		695	my $data = $process->(\@data);
		696	my $t2 = Time::HiRes::time;
		697
		698	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		699
		700	db_put cache => "$id/data", $data;
		701	db_put cache => "$id/md5" , $md5;
		702	db_put cache => "$id/meta", $meta;
		703
		704	return $data;
		705	}
		706
		707	db_get cache => "$id/data"
		708	}
		709
		710	=item cf::datalog type => key => value, ...
		711
		712	Log a datalog packet of the given type with the given key-value pairs.
		713
		714	=cut
		715
		716	sub datalog($@) {
		717	my ($type, %kv) = @_;
		718	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
364	}	719	}
365		720
366	=back	721	=back
367		722
368	=cut	723	=cut
…		…
375	attach callbacks/event handlers (a collection of which is called an "attachment")	730	attach callbacks/event handlers (a collection of which is called an "attachment")
376	to it. All such attachable objects support the following methods.	731	to it. All such attachable objects support the following methods.
377		732
378	In the following description, CLASS can be any of C<global>, C<object>	733	In the following description, CLASS can be any of C<global>, C<object>
379	C<player>, C<client> or C<map> (i.e. the attachable objects in	734	C<player>, C<client> or C<map> (i.e. the attachable objects in
380	crossfire+).	735	Deliantra).
381		736
382	=over 4	737	=over 4
383		738
384	=item $attachable->attach ($attachment, key => $value...)	739	=item $attachable->attach ($attachment, key => $value...)
385		740
…		…
499	our @CB_TYPE = (); # registry for type (cf-object class) based events	854	our @CB_TYPE = (); # registry for type (cf-object class) based events
500	our @CB_MAP = ();	855	our @CB_MAP = ();
501		856
502	my %attachment;	857	my %attachment;
503		858
		859	sub cf::attachable::thawer_merge {
		860	# simply override everything except _meta
		861	local $_[0]{_meta};
		862	%{$_[0]} = %{$_[1]};
		863	}
		864
504	sub _attach_cb($$$$) {	865	sub _attach_cb($$$$) {
505	my ($registry, $event, $prio, $cb) = @_;	866	my ($registry, $event, $prio, $cb) = @_;
506		867
507	use sort 'stable';	868	use sort 'stable';
508		869
…		…
542	$registry = $CB_TYPE[$object_type] ||= [];	903	$registry = $CB_TYPE[$object_type] ||= [];
543		904
544	} elsif ($type eq "subtype") {	905	} elsif ($type eq "subtype") {
545	defined $object_type or Carp::croak "subtype specified without type";	906	defined $object_type or Carp::croak "subtype specified without type";
546	my $object_subtype = shift @arg;	907	my $object_subtype = shift @arg;
547	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	908	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
548		909
549	} elsif ($type eq "package") {	910	} elsif ($type eq "package") {
550	my $pkg = shift @arg;	911	my $pkg = shift @arg;
551		912
552	while (my ($name, $id) = each %cb_id) {	913	while (my ($name, $id) = each %cb_id) {
…		…
581	_attach $registry, $klass, @attach;	942	_attach $registry, $klass, @attach;
582	}	943	}
583		944
584	$obj->{$name} = \%arg;	945	$obj->{$name} = \%arg;
585	} else {	946	} else {
586	warn "object uses attachment '$name' that is not available, postponing.\n";	947	warn "object uses attachment '$name' which is not available, postponing.\n";
587	}	948	}
588		949
589	$obj->{_attachment}{$name} = undef;	950	$obj->{_attachment}{$name} = undef;
590	}	951	}
591		952
…		…
593	if (ref $_[0]) {	954	if (ref $_[0]) {
594	_object_attach @_;	955	_object_attach @_;
595	} else {	956	} else {
596	_attach shift->_attach_registry, @_;	957	_attach shift->_attach_registry, @_;
597	}	958	}
		959	_recalc_want;
598	};	960	};
599		961
600	# all those should be optimised	962	# all those should be optimised
601	sub cf::attachable::detach {	963	sub cf::attachable::detach {
602	my ($obj, $name) = @_;	964	my ($obj, $name) = @_;
…		…
605	delete $obj->{_attachment}{$name};	967	delete $obj->{_attachment}{$name};
606	reattach ($obj);	968	reattach ($obj);
607	} else {	969	} else {
608	Carp::croak "cannot, currently, detach class attachments";	970	Carp::croak "cannot, currently, detach class attachments";
609	}	971	}
		972	_recalc_want;
610	};	973	};
611		974
612	sub cf::attachable::attached {	975	sub cf::attachable::attached {
613	my ($obj, $name) = @_;	976	my ($obj, $name) = @_;
614		977
…		…
629	";	992	";
630	die if $@;	993	die if $@;
631	}	994	}
632		995
633	our $override;	996	our $override;
634	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	997	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
635		998
636	sub override {	999	sub override {
637	$override = 1;	1000	$override = 1;
638	@invoke_results = ();	1001	@INVOKE_RESULTS = (@_);
639	}	1002	}
640		1003
641	sub do_invoke {	1004	sub do_invoke {
642	my $event = shift;	1005	my $event = shift;
643	my $callbacks = shift;	1006	my $callbacks = shift;
644		1007
645	@invoke_results = ();	1008	@INVOKE_RESULTS = ();
646		1009
647	local $override;	1010	local $override;
648		1011
649	for (@$callbacks) {	1012	for (@$callbacks) {
650	eval { &{$_->[1]} };	1013	eval { &{$_->[1]} };
…		…
659	}	1022	}
660		1023
661	0	1024	0
662	}	1025	}
663		1026
664	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
665		1028
666	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1029	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
667		1030
668	Generate an object-specific event with the given arguments.	1031	Generate an object-specific event with the given arguments.
669		1032
670	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1033	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
671	removed in future versions), and there is no public API to access override	1034	removed in future versions), and there is no public API to access override
672	results (if you must, access C<@cf::invoke_results> directly).	1035	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
673		1036
674	=back	1037	=back
675		1038
676	=cut	1039	=cut
677		1040
678	#############################################################################	1041	#############################################################################
679	# object support	1042	# object support
		1043
		1044	sub _object_equal($$);
		1045	sub _object_equal($$) {
		1046	my ($a, $b) = @_;
		1047
		1048	return 0 unless (ref $a) eq (ref $b);
		1049
		1050	if ("HASH" eq ref $a) {
		1051	my @ka = keys %$a;
		1052	my @kb = keys %$b;
		1053
		1054	return 0 if @ka != @kb;
		1055
		1056	for (0 .. $#ka) {
		1057	return 0 unless $ka[$_] eq $kb[$_];
		1058	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1059	}
		1060
		1061	} elsif ("ARRAY" eq ref $a) {
		1062
		1063	return 0 if @$a != @$b;
		1064
		1065	for (0 .. $#$a) {
		1066	return 0 unless _object_equal $a->[$_], $b->[$_];
		1067	}
		1068
		1069	} elsif ($a ne $b) {
		1070	return 0;
		1071	}
		1072
		1073	1
		1074	}
		1075
		1076	our $SLOW_MERGES;#d#
		1077	sub _can_merge {
		1078	my ($ob1, $ob2) = @_;
		1079
		1080	++$SLOW_MERGES;#d#
		1081
		1082	# we do the slow way here
		1083	return _object_equal $ob1, $ob2
		1084	}
680		1085
681	sub reattach {	1086	sub reattach {
682	# basically do the same as instantiate, without calling instantiate	1087	# basically do the same as instantiate, without calling instantiate
683	my ($obj) = @_;	1088	my ($obj) = @_;
		1089
		1090	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
684		1091
685	my $registry = $obj->registry;	1092	my $registry = $obj->registry;
686		1093
687	@$registry = ();	1094	@$registry = ();
688		1095
…		…
703	cf::attachable->attach (	1110	cf::attachable->attach (
704	prio => -1000000,	1111	prio => -1000000,
705	on_instantiate => sub {	1112	on_instantiate => sub {
706	my ($obj, $data) = @_;	1113	my ($obj, $data) = @_;
707		1114
708	$data = from_json $data;	1115	$data = decode_json $data;
709		1116
710	for (@$data) {	1117	for (@$data) {
711	my ($name, $args) = @$_;	1118	my ($name, $args) = @$_;
712		1119
713	$obj->attach ($name, %{$args || {} });	1120	$obj->attach ($name, %{$args || {} });
…		…
729	sub object_freezer_save {	1136	sub object_freezer_save {
730	my ($filename, $rdata, $objs) = @_;	1137	my ($filename, $rdata, $objs) = @_;
731		1138
732	sync_job {	1139	sync_job {
733	if (length $$rdata) {	1140	if (length $$rdata) {
		1141	utf8::decode (my $decname = $filename);
734	warn sprintf "saving %s (%d,%d)\n",	1142	warn sprintf "saving %s (%d,%d)\n",
735	$filename, length $$rdata, scalar @$objs;	1143	$decname, length $$rdata, scalar @$objs;
736		1144
737	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1145	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
738	chmod SAVE_MODE, $fh;	1146	aio_chmod $fh, SAVE_MODE;
739	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1147	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
740	aio_fsync $fh;	1148	aio_fsync $fh if $cf::USE_FSYNC;
741	close $fh;	1149	aio_close $fh;
742		1150
743	if (@$objs) {	1151	if (@$objs) {
744	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1152	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
745	chmod SAVE_MODE, $fh;	1153	aio_chmod $fh, SAVE_MODE;
746	my $data = Storable::nfreeze { version => 1, objs => $objs };	1154	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
747	aio_write $fh, 0, (length $data), $data, 0;	1155	aio_write $fh, 0, (length $data), $data, 0;
748	aio_fsync $fh;	1156	aio_fsync $fh if $cf::USE_FSYNC;
749	close $fh;	1157	aio_close $fh;
750	aio_rename "$filename.pst~", "$filename.pst";	1158	aio_rename "$filename.pst~", "$filename.pst";
751	}	1159	}
752	} else {	1160	} else {
753	aio_unlink "$filename.pst";	1161	aio_unlink "$filename.pst";
754	}	1162	}
…		…
759	}	1167	}
760	} else {	1168	} else {
761	aio_unlink $filename;	1169	aio_unlink $filename;
762	aio_unlink "$filename.pst";	1170	aio_unlink "$filename.pst";
763	}	1171	}
764	}	1172	};
765	}	1173	}
766		1174
767	sub object_freezer_as_string {	1175	sub object_freezer_as_string {
768	my ($rdata, $objs) = @_;	1176	my ($rdata, $objs) = @_;
769		1177
…		…
781	or return;	1189	or return;
782		1190
783	unless (aio_stat "$filename.pst") {	1191	unless (aio_stat "$filename.pst") {
784	(aio_load "$filename.pst", $av) >= 0	1192	(aio_load "$filename.pst", $av) >= 0
785	or return;	1193	or return;
		1194
786	$av = eval { (Storable::thaw $av)->{objs} };	1195	my $st = eval { Coro::Storable::thaw $av };
		1196	$av = $st->{objs};
787	}	1197	}
788		1198
		1199	utf8::decode (my $decname = $filename);
789	warn sprintf "loading %s (%d)\n",	1200	warn sprintf "loading %s (%d,%d)\n",
790	$filename, length $data, scalar @{$av || []};#d#	1201	$decname, length $data, scalar @{$av || []};
		1202
791	return ($data, $av);	1203	($data, $av)
792	}	1204	}
		1205
		1206	=head2 COMMAND CALLBACKS
		1207
		1208	=over 4
		1209
		1210	=cut
793		1211
794	#############################################################################	1212	#############################################################################
795	# command handling &c	1213	# command handling &c
796		1214
797	=item cf::register_command $name => \&callback($ob,$args);	1215	=item cf::register_command $name => \&callback($ob,$args);
…		…
810	push @{ $COMMAND{$name} }, [$caller, $cb];	1228	push @{ $COMMAND{$name} }, [$caller, $cb];
811	}	1229	}
812		1230
813	=item cf::register_extcmd $name => \&callback($pl,$packet);	1231	=item cf::register_extcmd $name => \&callback($pl,$packet);
814		1232
815	Register a callbackf ro execution when the client sends an extcmd packet.	1233	Register a callback for execution when the client sends an (synchronous)
		1234	extcmd packet. Ext commands will be processed in the order they are
		1235	received by the server, like other user commands. The first argument is
		1236	the logged-in player. Ext commands can only be processed after a player
		1237	has logged in successfully.
816		1238
817	If the callback returns something, it is sent back as if reply was being	1239	If the callback returns something, it is sent back as if reply was being
818	called.	1240	called.
819		1241
		1242	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1243
		1244	Register a callback for execution when the client sends an (asynchronous)
		1245	exticmd packet. Exti commands are processed by the server as soon as they
		1246	are received, i.e. out of order w.r.t. other commands. The first argument
		1247	is a client socket. Exti commands can be received anytime, even before
		1248	log-in.
		1249
		1250	If the callback returns something, it is sent back as if reply was being
		1251	called.
		1252
820	=cut	1253	=cut
821		1254
822	sub register_extcmd {	1255	sub register_extcmd {
823	my ($name, $cb) = @_;	1256	my ($name, $cb) = @_;
824		1257
825	$EXTCMD{$name} = $cb;	1258	$EXTCMD{$name} = $cb;
		1259	}
		1260
		1261	sub register_exticmd {
		1262	my ($name, $cb) = @_;
		1263
		1264	$EXTICMD{$name} = $cb;
826	}	1265	}
827		1266
828	cf::player->attach (	1267	cf::player->attach (
829	on_command => sub {	1268	on_command => sub {
830	my ($pl, $name, $params) = @_;	1269	my ($pl, $name, $params) = @_;
…		…
839	cf::override;	1278	cf::override;
840	},	1279	},
841	on_extcmd => sub {	1280	on_extcmd => sub {
842	my ($pl, $buf) = @_;	1281	my ($pl, $buf) = @_;
843		1282
844	my $msg = eval { from_json $buf };	1283	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
845		1284
846	if (ref $msg) {	1285	if (ref $msg) {
		1286	my ($type, $reply, @payload) =
		1287	"ARRAY" eq ref $msg
		1288	? @$msg
		1289	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1290
		1291	my @reply;
		1292
847	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1293	if (my $cb = $EXTCMD{$type}) {
848	if (my %reply = $cb->($pl, $msg)) {	1294	@reply = $cb->($pl, @payload);
849	$pl->ext_reply ($msg->{msgid}, %reply);
850	}
851	}	1295	}
		1296
		1297	$pl->ext_reply ($reply, @reply)
		1298	if $reply;
		1299
852	} else {	1300	} else {
853	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1301	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
854	}	1302	}
855		1303
856	cf::override;	1304	cf::override;
857	},	1305	},
858	);	1306	);
859		1307
860	sub load_extension {
861	my ($path) = @_;
862
863	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
864	my $base = $1;
865	my $pkg = $1;
866	$pkg =~ s/[^[:word:]]/_/g;
867	$pkg = "ext::$pkg";
868
869	warn "... loading '$path' into '$pkg'\n";
870
871	open my $fh, "<:utf8", $path
872	or die "$path: $!";
873
874	my $source =
875	"package $pkg; use strict; use utf8;\n"
876	. "#line 1 \"$path\"\n{\n"
877	. (do { local $/; <$fh> })
878	. "\n};\n1";
879
880	unless (eval $source) {
881	my $msg = $@ ? "$path: $@\n"
882	: "extension disabled.\n";
883	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
884	warn $@;
885	warn "mandatory extension failed to load, exiting.\n";
886	exit 1;
887	}
888	die $@;
889	}
890
891	push @EXTS, $pkg;
892	}
893
894	sub load_extensions {	1308	sub load_extensions {
		1309	cf::sync_job {
		1310	my %todo;
		1311
895	for my $ext (<$LIBDIR/*.ext>) {	1312	for my $path (<$LIBDIR/*.ext>) {
896	next unless -r $ext;	1313	next unless -r $path;
897	eval {	1314
898	load_extension $ext;	1315	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1316	my $base = $1;
		1317	my $pkg = $1;
		1318	$pkg =~ s/[^[:word:]]/_/g;
		1319	$pkg = "ext::$pkg";
		1320
		1321	open my $fh, "<:utf8", $path
		1322	or die "$path: $!";
		1323
		1324	my $source = do { local $/; <$fh> };
		1325
		1326	my %ext = (
		1327	path => $path,
		1328	base => $base,
		1329	pkg => $pkg,
		1330	);
		1331
		1332	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1333	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1334
		1335	$ext{source} =
		1336	"package $pkg; use strict; use utf8;\n"
		1337	. "#line 1 \"$path\"\n{\n"
		1338	. $source
		1339	. "\n};\n1";
		1340
		1341	$todo{$base} = \%ext;
		1342	}
		1343
		1344	my %done;
		1345	while (%todo) {
		1346	my $progress;
		1347
		1348	while (my ($k, $v) = each %todo) {
		1349	for (split /,\s*/, $v->{meta}{depends}) {
		1350	goto skip
		1351	unless exists $done{$_};
		1352	}
		1353
		1354	warn "... loading '$k' into '$v->{pkg}'\n";
		1355
		1356	unless (eval $v->{source}) {
		1357	my $msg = $@ ? "$v->{path}: $@\n"
		1358	: "$v->{base}: extension inactive.\n";
		1359
		1360	if (exists $v->{meta}{mandatory}) {
		1361	warn $msg;
		1362	cf::cleanup "mandatory extension failed to load, exiting.";
		1363	}
		1364
		1365	warn $msg;
		1366	}
		1367
		1368	$done{$k} = delete $todo{$k};
		1369	push @EXTS, $v->{pkg};
		1370	$progress = 1;
899	1	1371	}
900	} or warn "$ext not loaded: $@";	1372
		1373	skip:
		1374	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1375	unless $progress;
		1376	}
901	}	1377	};
902	}	1378	}
903		1379
904	#############################################################################	1380	#############################################################################
905	# load/save/clean perl data associated with a map
906		1381
907	*cf::mapsupport::on_clean = sub {	1382	=back
908	my ($map) = @_;
909
910	my $path = $map->tmpname;
911	defined $path or return;
912
913	unlink "$path.pst";
914	};
915
916	cf::map->attach (prio => -10000, package => cf::mapsupport::);
917
918	#############################################################################
919		1383
920	=head2 CORE EXTENSIONS	1384	=head2 CORE EXTENSIONS
921		1385
922	Functions and methods that extend core crossfire objects.	1386	Functions and methods that extend core crossfire objects.
923		1387
…		…
929		1393
930	=head3 cf::player	1394	=head3 cf::player
931		1395
932	=over 4	1396	=over 4
933		1397
		1398	=item cf::player::num_playing
		1399
		1400	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1401
		1402	=cut
		1403
		1404	sub num_playing {
		1405	scalar grep
		1406	$_->ob->map
		1407	&& !$_->hidden
		1408	&& !$_->ob->flag (cf::FLAG_WIZ),
		1409	cf::player::list
		1410	}
		1411
934	=item cf::player::find $login	1412	=item cf::player::find $login
935		1413
936	Returns the given player object, loading it if necessary (might block).	1414	Returns the given player object, loading it if necessary (might block).
937		1415
938	=cut	1416	=cut
939		1417
940	sub playerdir($) {	1418	sub playerdir($) {
941	cf::localdir	1419	"$PLAYERDIR/"
942	. "/"
943	. cf::playerdir
944	. "/"
945	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1420	. (ref $_[0] ? $_[0]->ob->name : $_[0])
946	}	1421	}
947		1422
948	sub path($) {	1423	sub path($) {
949	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1424	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
950		1425
951	(playerdir $login) . "/$login.pl"	1426	(playerdir $login) . "/playerdata"
952	}	1427	}
953		1428
954	sub find_active($) {	1429	sub find_active($) {
955	$cf::PLAYER{$_[0]}	1430	$cf::PLAYER{$_[0]}
956	and $cf::PLAYER{$_[0]}->active	1431	and $cf::PLAYER{$_[0]}->active
…		…
959		1434
960	sub exists($) {	1435	sub exists($) {
961	my ($login) = @_;	1436	my ($login) = @_;
962		1437
963	$cf::PLAYER{$login}	1438	$cf::PLAYER{$login}
964	or cf::sync_job { !aio_stat $login }	1439	or cf::sync_job { !aio_stat path $login }
965	}	1440	}
966		1441
967	sub find($) {	1442	sub find($) {
968	return $cf::PLAYER{$_[0]} || do {	1443	return $cf::PLAYER{$_[0]} || do {
969	my $login = $_[0];	1444	my $login = $_[0];
970		1445
971	my $guard = cf::lock_acquire "user_find:$login";	1446	my $guard = cf::lock_acquire "user_find:$login";
972		1447
973	$cf::PLAYER{$_[0]} || do {	1448	$cf::PLAYER{$_[0]} || do {
974	my $pl = load_pl path $login	1449	# rename old playerfiles to new ones
		1450	#TODO: remove when no longer required
		1451	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1452	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1453	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1454	aio_unlink +(playerdir $login) . "/$login.pl";
		1455
		1456	my $f = new_from_file cf::object::thawer path $login
975	or return;	1457	or return;
		1458
		1459	my $pl = cf::player::load_pl $f
		1460	or return;
		1461
		1462	local $cf::PLAYER_LOADING{$login} = $pl;
		1463	$f->resolve_delayed_derefs;
976	$cf::PLAYER{$login} = $pl	1464	$cf::PLAYER{$login} = $pl
977	}	1465	}
978	}	1466	}
979	}	1467	}
980		1468
…		…
989	return if $pl->{deny_save};	1477	return if $pl->{deny_save};
990		1478
991	aio_mkdir playerdir $pl, 0770;	1479	aio_mkdir playerdir $pl, 0770;
992	$pl->{last_save} = $cf::RUNTIME;	1480	$pl->{last_save} = $cf::RUNTIME;
993		1481
		1482	cf::get_slot 0.01;
		1483
994	$pl->save_pl ($path);	1484	$pl->save_pl ($path);
995	Coro::cede;	1485	cf::cede_to_tick;
996	}	1486	}
997		1487
998	sub new($) {	1488	sub new($) {
999	my ($login) = @_;	1489	my ($login) = @_;
1000		1490
…		…
1006	$cf::PLAYER{$login} = $self;	1496	$cf::PLAYER{$login} = $self;
1007		1497
1008	$self	1498	$self
1009	}	1499	}
1010		1500
		1501	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1502
		1503	=cut
		1504
		1505	sub send_msg {
		1506	my $ns = shift->ns
		1507	or return;
		1508	$ns->send_msg (@_);
		1509	}
		1510
1011	=item $pl->quit_character	1511	=item $pl->quit_character
1012		1512
1013	Nukes the player without looking back. If logged in, the connection will	1513	Nukes the player without looking back. If logged in, the connection will
1014	be destroyed. May block for a long time.	1514	be destroyed. May block for a long time.
1015		1515
1016	=cut	1516	=cut
1017		1517
1018	sub quit_character {	1518	sub quit_character {
1019	my ($pl) = @_;	1519	my ($pl) = @_;
1020		1520
		1521	my $name = $pl->ob->name;
		1522
1021	$pl->{deny_save} = 1;	1523	$pl->{deny_save} = 1;
1022	$pl->password ("*"); # this should lock out the player until we nuked the dir	1524	$pl->password ("*"); # this should lock out the player until we nuked the dir
1023		1525
1024	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1526	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1025	$pl->deactivate;	1527	$pl->deactivate;
		1528	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1529	$pl->ob->check_score;
1026	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1530	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1027	$pl->ns->destroy if $pl->ns;	1531	$pl->ns->destroy if $pl->ns;
1028		1532
1029	my $path = playerdir $pl;	1533	my $path = playerdir $pl;
1030	my $temp = "$path~$cf::RUNTIME~deleting~";	1534	my $temp = "$path~$cf::RUNTIME~deleting~";
1031	aio_rename $path, $temp;	1535	aio_rename $path, $temp;
1032	delete $cf::PLAYER{$pl->ob->name};	1536	delete $cf::PLAYER{$pl->ob->name};
1033	$pl->destroy;	1537	$pl->destroy;
		1538
		1539	my $prefix = qr<^~\Q$name\E/>;
		1540
		1541	# nuke player maps
		1542	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1543
1034	IO::AIO::aio_rmtree $temp;	1544	IO::AIO::aio_rmtree $temp;
		1545	}
		1546
		1547	=item $pl->kick
		1548
		1549	Kicks a player out of the game. This destroys the connection.
		1550
		1551	=cut
		1552
		1553	sub kick {
		1554	my ($pl, $kicker) = @_;
		1555
		1556	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1557	$pl->killer ("kicked");
		1558	$pl->ns->destroy;
1035	}	1559	}
1036		1560
1037	=item cf::player::list_logins	1561	=item cf::player::list_logins
1038		1562
1039	Returns am arrayref of all valid playernames in the system, can take a	1563	Returns am arrayref of all valid playernames in the system, can take a
1040	while and may block, so not sync_job-capable, ever.	1564	while and may block, so not sync_job-capable, ever.
1041		1565
1042	=cut	1566	=cut
1043		1567
1044	sub list_logins {	1568	sub list_logins {
1045	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1569	my $dirs = aio_readdir $PLAYERDIR
1046	or return [];	1570	or return [];
1047		1571
1048	my @logins;	1572	my @logins;
1049		1573
1050	for my $login (@$dirs) {	1574	for my $login (@$dirs) {
		1575	my $path = path $login;
		1576
		1577	# a .pst is a dead give-away for a valid player
		1578	# if no pst file found, open and chekc for blocked users
		1579	if (aio_stat "$path.pst") {
1051	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1580	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1052	aio_read $fh, 0, 512, my $buf, 0 or next;	1581	aio_read $fh, 0, 512, my $buf, 0 or next;
1053	$buf !~ /^password -------------$/m or next; # official not-valid tag	1582	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1583	}
1054		1584
1055	utf8::decode $login;	1585	utf8::decode $login;
1056	push @logins, $login;	1586	push @logins, $login;
1057	}	1587	}
1058		1588
…		…
1066		1596
1067	=cut	1597	=cut
1068		1598
1069	sub maps($) {	1599	sub maps($) {
1070	my ($pl) = @_;	1600	my ($pl) = @_;
		1601
		1602	$pl = ref $pl ? $pl->ob->name : $pl;
1071		1603
1072	my $files = aio_readdir playerdir $pl	1604	my $files = aio_readdir playerdir $pl
1073	or return;	1605	or return;
1074		1606
1075	my @paths;	1607	my @paths;
…		…
1077	for (@$files) {	1609	for (@$files) {
1078	utf8::decode $_;	1610	utf8::decode $_;
1079	next if /\.(?:pl|pst)$/;	1611	next if /\.(?:pl|pst)$/;
1080	next unless /^$PATH_SEP/o;	1612	next unless /^$PATH_SEP/o;
1081		1613
1082	push @paths, "~" . $pl->ob->name . "/" . $_;	1614	push @paths, cf::map::normalise "~$pl/$_";
1083	}	1615	}
1084		1616
1085	\@paths	1617	\@paths
1086	}	1618	}
1087		1619
		1620	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1621
		1622	Expand crossfire pod fragments into protocol xml.
		1623
		1624	=cut
		1625
		1626	use re 'eval';
		1627
		1628	my $group;
		1629	my $interior; $interior = qr{
		1630	# match a pod interior sequence sans C<< >>
		1631	(?:
		1632	\ (.*?)\ (?{ $group = $^N })
		1633	| < (??{$interior}) >
		1634	)
		1635	}x;
		1636
		1637	sub expand_cfpod {
		1638	my ($self, $pod) = @_;
		1639
		1640	my $xml;
		1641
		1642	while () {
		1643	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1644	$group = $1;
		1645
		1646	$group =~ s/&/&amp;/g;
		1647	$group =~ s/</&lt;/g;
		1648
		1649	$xml .= $group;
		1650	} elsif ($pod =~ m%\G
		1651	([BCGHITU])
		1652	<
		1653	(?:
		1654	([^<>]*) (?{ $group = $^N })
		1655	| < $interior >
		1656	)
		1657	>
		1658	%gcsx
		1659	) {
		1660	my ($code, $data) = ($1, $group);
		1661
		1662	if ($code eq "B") {
		1663	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1664	} elsif ($code eq "I") {
		1665	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1666	} elsif ($code eq "U") {
		1667	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1668	} elsif ($code eq "C") {
		1669	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1670	} elsif ($code eq "T") {
		1671	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1672	} elsif ($code eq "G") {
		1673	my ($male, $female) = split /\|/, $data;
		1674	$data = $self->gender ? $female : $male;
		1675	$xml .= expand_cfpod ($self, $data);
		1676	} elsif ($code eq "H") {
		1677	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1678	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1679	"")
		1680	[$self->{hintmode}];
		1681	} else {
		1682	$xml .= "error processing '$code($data)' directive";
		1683	}
		1684	} else {
		1685	if ($pod =~ /\G(.+)/) {
		1686	warn "parse error while expanding $pod (at $1)";
		1687	}
		1688	last;
		1689	}
		1690	}
		1691
		1692	for ($xml) {
		1693	# create single paragraphs (very hackish)
		1694	s/(?<=\S)\n(?=\w)/ /g;
		1695
		1696	# compress some whitespace
		1697	s/\s+\n/\n/g; # ws line-ends
		1698	s/\n\n+/\n/g; # double lines
		1699	s/^\n+//; # beginning lines
		1700	s/\n+$//; # ending lines
		1701	}
		1702
		1703	$xml
		1704	}
		1705
		1706	no re 'eval';
		1707
		1708	sub hintmode {
		1709	$_[0]{hintmode} = $_[1] if @_ > 1;
		1710	$_[0]{hintmode}
		1711	}
		1712
1088	=item $player->ext_reply ($msgid, $msgtype, %msg)	1713	=item $player->ext_reply ($msgid, @msg)
1089		1714
1090	Sends an ext reply to the player.	1715	Sends an ext reply to the player.
1091		1716
1092	=cut	1717	=cut
1093		1718
1094	sub ext_reply($$$%) {	1719	sub ext_reply($$@) {
1095	my ($self, $id, %msg) = @_;	1720	my ($self, $id, @msg) = @_;
1096		1721
1097	$msg{msgid} = $id;	1722	$self->ns->ext_reply ($id, @msg)
1098
1099	$self->send ("ext " . cf::to_json \%msg);
1100	}	1723	}
1101		1724
1102	package cf;	1725	=item $player->ext_msg ($type, @msg)
		1726
		1727	Sends an ext event to the client.
		1728
		1729	=cut
		1730
		1731	sub ext_msg($$@) {
		1732	my ($self, $type, @msg) = @_;
		1733
		1734	$self->ns->ext_msg ($type, @msg);
		1735	}
		1736
		1737	=head3 cf::region
		1738
		1739	=over 4
		1740
		1741	=cut
		1742
		1743	package cf::region;
		1744
		1745	=item cf::region::find_by_path $path
		1746
		1747	Tries to decuce the likely region for a map knowing only its path.
		1748
		1749	=cut
		1750
		1751	sub find_by_path($) {
		1752	my ($path) = @_;
		1753
		1754	my ($match, $specificity);
		1755
		1756	for my $region (list) {
		1757	if ($region->{match} && $path =~ $region->{match}) {
		1758	($match, $specificity) = ($region, $region->specificity)
		1759	if $region->specificity > $specificity;
		1760	}
		1761	}
		1762
		1763	$match
		1764	}
1103		1765
1104	=back	1766	=back
1105
1106		1767
1107	=head3 cf::map	1768	=head3 cf::map
1108		1769
1109	=over 4	1770	=over 4
1110		1771
…		…
1114		1775
1115	use Fcntl;	1776	use Fcntl;
1116	use Coro::AIO;	1777	use Coro::AIO;
1117		1778
1118	use overload	1779	use overload
1119	'""' => \&as_string;	1780	'""' => \&as_string,
		1781	fallback => 1;
1120		1782
1121	our $MAX_RESET = 3600;	1783	our $MAX_RESET = 3600;
1122	our $DEFAULT_RESET = 3000;	1784	our $DEFAULT_RESET = 3000;
1123		1785
1124	sub generate_random_map {	1786	sub generate_random_map {
1125	my ($self, $rmp) = @_;	1787	my ($self, $rmp) = @_;
		1788
		1789	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1126		1790
1127	# mit "rum" bekleckern, nicht	1791	# mit "rum" bekleckern, nicht
1128	$self->_create_random_map (	1792	$self->_create_random_map (
1129	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1793	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1130	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1794	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
…		…
1138	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1802	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1139	(cf::region::find $rmp->{region}), $rmp->{custom}	1803	(cf::region::find $rmp->{region}), $rmp->{custom}
1140	)	1804	)
1141	}	1805	}
1142		1806
		1807	=item cf::map->register ($regex, $prio)
		1808
		1809	Register a handler for the map path matching the given regex at the
		1810	givne priority (higher is better, built-in handlers have priority 0, the
		1811	default).
		1812
		1813	=cut
		1814
1143	sub register {	1815	sub register {
1144	my (undef, $regex) = @_;	1816	my (undef, $regex, $prio) = @_;
1145	my $pkg = caller;	1817	my $pkg = caller;
1146		1818
1147	no strict;	1819	no strict;
1148	push @{"$pkg\::ISA"}, __PACKAGE__;	1820	push @{"$pkg\::ISA"}, __PACKAGE__;
1149		1821
1150	$EXT_MAP{$pkg} = qr<$regex>;	1822	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1151	}	1823	}
1152		1824
1153	# also paths starting with '/'	1825	# also paths starting with '/'
1154	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1826	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1827
		1828	sub thawer_merge {
		1829	my ($self, $merge) = @_;
		1830
		1831	# we have to keep some variables in memory intact
		1832	local $self->{path};
		1833	local $self->{load_path};
		1834
		1835	$self->SUPER::thawer_merge ($merge);
		1836	}
1155		1837
1156	sub normalise {	1838	sub normalise {
1157	my ($path, $base) = @_;	1839	my ($path, $base) = @_;
		1840
		1841	$path = "$path"; # make sure its a string
		1842
		1843	$path =~ s/\.map$//;
1158		1844
1159	# map plan:	1845	# map plan:
1160	#	1846	#
1161	# /! non-realised random map exit (special hack!)	1847	# /! non-realised random map exit (special hack!)
1162	# {... are special paths that are not being touched	1848	# {... are special paths that are not being touched
…		…
1190		1876
1191	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1877	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1192		1878
1193	$path = normalise $path, $base;	1879	$path = normalise $path, $base;
1194		1880
1195	for my $pkg (keys %EXT_MAP) {	1881	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1196	if ($path =~ $EXT_MAP{$pkg}) {	1882	if ($path =~ $EXT_MAP{$pkg}[1]) {
1197	my $self = bless cf::map::new, $pkg;	1883	my $self = bless cf::map::new, $pkg;
1198	$self->{path} = $path; $self->path ($path);	1884	$self->{path} = $path; $self->path ($path);
1199	$self->init; # pass $1 etc.	1885	$self->init; # pass $1 etc.
1200	return $self;	1886	return $self;
1201	}	1887	}
1202	}	1888	}
1203		1889
1204	Carp::carp "unable to resolve path '$path'.";	1890	Carp::cluck "unable to resolve path '$path' (base '$base').";
1205	()	1891	()
1206	}	1892	}
1207		1893
1208	sub init {	1894	sub init {
1209	my ($self) = @_;	1895	my ($self) = @_;
…		…
1220	# the displayed name, this is a one way mapping	1906	# the displayed name, this is a one way mapping
1221	sub visible_name {	1907	sub visible_name {
1222	&as_string	1908	&as_string
1223	}	1909	}
1224		1910
1225	# escape the /'s in the path
1226	sub _escaped_path {
1227	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1228
1229	$path
1230	}
1231
1232	# the original (read-only) location	1911	# the original (read-only) location
1233	sub load_path {	1912	sub load_path {
1234	my ($self) = @_;	1913	my ($self) = @_;
1235		1914
1236	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1915	"$MAPDIR/$self->{path}.map"
1237	}	1916	}
1238		1917
1239	# the temporary/swap location	1918	# the temporary/swap location
1240	sub save_path {	1919	sub save_path {
1241	my ($self) = @_;	1920	my ($self) = @_;
1242		1921
1243	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $self->_escaped_path	1922	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1923	"$TMPDIR/$path.map"
1244	}	1924	}
1245		1925
1246	# the unique path, undef == no special unique path	1926	# the unique path, undef == no special unique path
1247	sub uniq_path {	1927	sub uniq_path {
1248	my ($self) = @_;	1928	my ($self) = @_;
1249		1929
1250	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path	1930	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1931	"$UNIQUEDIR/$path"
1251	}	1932	}
1252		1933
1253	# and all this just because we cannot iterate over	1934	# and all this just because we cannot iterate over
1254	# all maps in C++...	1935	# all maps in C++...
1255	sub change_all_map_light {	1936	sub change_all_map_light {
…		…
1257		1938
1258	$_->change_map_light ($change)	1939	$_->change_map_light ($change)
1259	for grep $_->outdoor, values %cf::MAP;	1940	for grep $_->outdoor, values %cf::MAP;
1260	}	1941	}
1261		1942
		1943	sub decay_objects {
		1944	my ($self) = @_;
		1945
		1946	return if $self->{deny_reset};
		1947
		1948	$self->do_decay_objects;
		1949	}
		1950
1262	sub unlink_save {	1951	sub unlink_save {
1263	my ($self) = @_;	1952	my ($self) = @_;
1264		1953
1265	utf8::encode (my $save = $self->save_path);	1954	utf8::encode (my $save = $self->save_path);
1266	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1955	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1267	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1956	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1268	}	1957	}
1269		1958
1270	sub load_header_from($) {	1959	sub load_header_from($) {
1271	my ($self, $path) = @_;	1960	my ($self, $path) = @_;
1272		1961
1273	utf8::encode $path;	1962	utf8::encode $path;
1274	aio_open $path, O_RDONLY, 0	1963	my $f = new_from_file cf::object::thawer $path
1275	or return;	1964	or return;
1276		1965
1277	$self->_load_header ($path)	1966	$self->_load_header ($f)
1278	or return;	1967	or return;
1279		1968
		1969	local $MAP_LOADING{$self->{path}} = $self;
		1970	$f->resolve_delayed_derefs;
		1971
1280	$self->{load_path} = $path;	1972	$self->{load_path} = $path;
1281		1973
1282	1	1974	1
1283	}	1975	}
1284		1976
1285	sub load_orig {	1977	sub load_header_orig {
1286	my ($self) = @_;	1978	my ($self) = @_;
1287		1979
1288	$self->load_header_from ($self->load_path)	1980	$self->load_header_from ($self->load_path)
1289	}	1981	}
1290		1982
1291	sub load_temp {	1983	sub load_header_temp {
1292	my ($self) = @_;	1984	my ($self) = @_;
1293		1985
1294	$self->load_header_from ($self->save_path)	1986	$self->load_header_from ($self->save_path)
		1987	}
		1988
		1989	sub prepare_temp {
		1990	my ($self) = @_;
		1991
		1992	$self->last_access ((delete $self->{last_access})
		1993	|| $cf::RUNTIME); #d#
		1994	# safety
		1995	$self->{instantiate_time} = $cf::RUNTIME
		1996	if $self->{instantiate_time} > $cf::RUNTIME;
		1997	}
		1998
		1999	sub prepare_orig {
		2000	my ($self) = @_;
		2001
		2002	$self->{load_original} = 1;
		2003	$self->{instantiate_time} = $cf::RUNTIME;
		2004	$self->last_access ($cf::RUNTIME);
		2005	$self->instantiate;
1295	}	2006	}
1296		2007
1297	sub load_header {	2008	sub load_header {
1298	my ($self) = @_;	2009	my ($self) = @_;
1299		2010
1300	if ($self->load_temp) {	2011	if ($self->load_header_temp) {
1301	$self->last_access ((delete $self->{last_access})	2012	$self->prepare_temp;
1302	|| $cf::RUNTIME); #d#
1303	# safety
1304	$self->{instantiate_time} = $cf::RUNTIME
1305	if $self->{instantiate_time} > $cf::RUNTIME;
1306	} else {	2013	} else {
1307	$self->load_orig	2014	$self->load_header_orig
1308	or return;	2015	or return;
1309		2016	$self->prepare_orig;
1310	$self->{load_original} = 1;
1311	$self->{instantiate_time} = $cf::RUNTIME;
1312	$self->last_access ($cf::RUNTIME);
1313	$self->instantiate;
1314	}	2017	}
		2018
		2019	$self->{deny_reset} = 1
		2020	if $self->no_reset;
		2021
		2022	$self->default_region (cf::region::find_by_path $self->{path})
		2023	unless $self->default_region;
1315		2024
1316	1	2025	1
1317	}	2026	}
1318		2027
1319	sub find;	2028	sub find;
1320	sub find {	2029	sub find {
1321	my ($path, $origin) = @_;	2030	my ($path, $origin) = @_;
1322		2031
1323	$path = normalise $path, $origin && $origin->path;	2032	$path = normalise $path, $origin && $origin->path;
1324		2033
		2034	cf::lock_wait "map_data:$path";#d#remove
1325	cf::lock_wait "map_find:$path";	2035	cf::lock_wait "map_find:$path";
1326		2036
1327	$cf::MAP{$path} || do {	2037	$cf::MAP{$path} || do {
		2038	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1328	my $guard = cf::lock_acquire "map_find:$path";	2039	my $guard2 = cf::lock_acquire "map_find:$path";
		2040
1329	my $map = new_from_path cf::map $path	2041	my $map = new_from_path cf::map $path
1330	or return;	2042	or return;
1331		2043
1332	$map->{last_save} = $cf::RUNTIME;	2044	$map->{last_save} = $cf::RUNTIME;
1333		2045
1334	$map->load_header	2046	$map->load_header
1335	or return;	2047	or return;
1336		2048
1337	if ($map->should_reset) {	2049	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2050	# doing this can freeze the server in a sync job, obviously
		2051	#$cf::WAIT_FOR_TICK->wait;
		2052	undef $guard2;
		2053	undef $guard1;
1338	$map->reset;	2054	$map->reset;
1339	undef $guard;
1340	$map = find $path	2055	return find $path;
1341	or return;
1342	}	2056	}
1343		2057
1344	$cf::MAP{$path} = $map	2058	$cf::MAP{$path} = $map
1345	}	2059	}
1346	}	2060	}
		2061
		2062	sub pre_load { }
		2063	sub post_load { }
1347		2064
1348	sub load {	2065	sub load {
1349	my ($self) = @_;	2066	my ($self) = @_;
1350		2067
		2068	local $self->{deny_reset} = 1; # loading can take a long time
		2069
1351	my $path = $self->{path};	2070	my $path = $self->{path};
		2071
		2072	{
1352	my $guard = cf::lock_acquire "map_load:$path";	2073	my $guard = cf::lock_acquire "map_data:$path";
1353		2074
		2075	return unless $self->valid;
1354	return if $self->in_memory != cf::MAP_SWAPPED;	2076	return unless $self->in_memory == cf::MAP_SWAPPED;
1355		2077
1356	$self->in_memory (cf::MAP_LOADING);	2078	$self->in_memory (cf::MAP_LOADING);
1357		2079
1358	$self->alloc;	2080	$self->alloc;
1359	$self->_load_objects ($self->{load_path}, 1)	2081
		2082	$self->pre_load;
		2083	cf::cede_to_tick;
		2084
		2085	my $f = new_from_file cf::object::thawer $self->{load_path};
		2086	$f->skip_block;
		2087	$self->_load_objects ($f)
1360	or return;	2088	or return;
1361		2089
1362	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2090	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1363	if delete $self->{load_original};	2091	if delete $self->{load_original};
1364		2092
1365	if (my $uniq = $self->uniq_path) {	2093	if (my $uniq = $self->uniq_path) {
1366	utf8::encode $uniq;	2094	utf8::encode $uniq;
1367	if (aio_open $uniq, O_RDONLY, 0) {	2095	unless (aio_stat $uniq) {
		2096	if (my $f = new_from_file cf::object::thawer $uniq) {
1368	$self->clear_unique_items;	2097	$self->clear_unique_items;
1369	$self->_load_objects ($uniq, 0);	2098	$self->_load_objects ($f);
		2099	$f->resolve_delayed_derefs;
		2100	}
1370	}	2101	}
1371	}	2102	}
1372		2103
1373	Coro::cede;	2104	$f->resolve_delayed_derefs;
1374		2105
		2106	cf::cede_to_tick;
1375	# now do the right thing for maps	2107	# now do the right thing for maps
1376	$self->link_multipart_objects;	2108	$self->link_multipart_objects;
1377
1378	unless ($self->{deny_activate}) {
1379	$self->decay_objects;
1380	$self->fix_auto_apply;
1381	$self->update_buttons;
1382	Coro::cede;
1383	$self->set_darkness_map;
1384	$self->difficulty ($self->estimate_difficulty)	2109	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	2110	unless $self->difficulty;
1386	Coro::cede;	2111	cf::cede_to_tick;
		2112
		2113	unless ($self->{deny_activate}) {
		2114	$self->decay_objects;
		2115	$self->fix_auto_apply;
		2116	$self->update_buttons;
		2117	cf::cede_to_tick;
		2118	$self->set_darkness_map;
		2119	cf::cede_to_tick;
1387	$self->activate;	2120	$self->activate;
1388	}	2121	}
1389		2122
		2123	$self->{last_save} = $cf::RUNTIME;
		2124	$self->last_access ($cf::RUNTIME);
		2125
1390	$self->in_memory (cf::MAP_IN_MEMORY);	2126	$self->in_memory (cf::MAP_ACTIVE);
		2127	}
		2128
		2129	$self->post_load;
1391	}	2130	}
1392		2131
1393	sub customise_for {	2132	sub customise_for {
1394	my ($self, $ob) = @_;	2133	my ($self, $ob) = @_;
1395		2134
1396	return find "~" . $ob->name . "/" . $self->{path}	2135	return find "~" . $ob->name . "/" . $self->{path}
1397	if $self->per_player;	2136	if $self->per_player;
1398		2137
		2138	# return find "?party/" . $ob->name . "/" . $self->{path}
		2139	# if $self->per_party;
		2140
1399	$self	2141	$self
1400	}	2142	}
1401		2143
1402	# find and load all maps in the 3x3 area around a map	2144	# find and load all maps in the 3x3 area around a map
1403	sub load_diag {	2145	sub load_neighbours {
1404	my ($map) = @_;	2146	my ($map) = @_;
1405		2147
1406	my @diag; # diagonal neighbours	2148	my @neigh; # diagonal neighbours
1407		2149
1408	for (0 .. 3) {	2150	for (0 .. 3) {
1409	my $neigh = $map->tile_path ($_)	2151	my $neigh = $map->tile_path ($_)
1410	or next;	2152	or next;
1411	$neigh = find $neigh, $map	2153	$neigh = find $neigh, $map
1412	or next;	2154	or next;
1413	$neigh->load;	2155	$neigh->load;
1414		2156
		2157	push @neigh,
1415	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2158	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1416	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2159	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1417	}	2160	}
1418		2161
1419	for (@diag) {	2162	for (grep defined $_->[0], @neigh) {
		2163	my ($path, $origin) = @$_;
1420	my $neigh = find @$_	2164	my $neigh = find $path, $origin
1421	or next;	2165	or next;
1422	$neigh->load;	2166	$neigh->load;
1423	}	2167	}
1424	}	2168	}
1425		2169
…		…
1430	}	2174	}
1431		2175
1432	sub do_load_sync {	2176	sub do_load_sync {
1433	my ($map) = @_;	2177	my ($map) = @_;
1434		2178
		2179	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2180	if $Coro::current == $Coro::main;
		2181
1435	cf::sync_job { $map->load };	2182	cf::sync_job { $map->load };
1436	}	2183	}
1437		2184
1438	our %MAP_PREFETCH;	2185	our %MAP_PREFETCH;
1439	our $MAP_PREFETCHER = Coro::async {	2186	our $MAP_PREFETCHER = undef;
1440	while () {
1441	for my $path (keys %MAP_PREFETCH) {
1442	my $map = find $path
1443	or next;
1444	$map->load;
1445
1446	delete $MAP_PREFETCH{$path};
1447	}
1448	Coro::schedule;
1449	}
1450	};
1451		2187
1452	sub find_async {	2188	sub find_async {
1453	my ($path, $origin) = @_;	2189	my ($path, $origin, $load) = @_;
1454		2190
1455	$path = normalise $path, $origin && $origin->{path};	2191	$path = normalise $path, $origin && $origin->{path};
1456		2192
1457	if (my $map = $cf::MAP{$path}) {	2193	if (my $map = $cf::MAP{$path}) {
1458	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2194	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2195	}
		2196
		2197	$MAP_PREFETCH{$path} |= $load;
		2198
		2199	$MAP_PREFETCHER ||= cf::async {
		2200	$Coro::current->{desc} = "map prefetcher";
		2201
		2202	while (%MAP_PREFETCH) {
		2203	while (my ($k, $v) = each %MAP_PREFETCH) {
		2204	if (my $map = find $k) {
		2205	$map->load if $v;
		2206	}
		2207
		2208	delete $MAP_PREFETCH{$k};
		2209	}
		2210	}
		2211	undef $MAP_PREFETCHER;
1459	}	2212	};
1460
1461	$MAP_PREFETCH{$path} = 0;
1462	$MAP_PREFETCHER->ready;	2213	$MAP_PREFETCHER->prio (6);
1463		2214
1464	()	2215	()
1465	}	2216	}
1466		2217
1467	sub save {	2218	sub save {
1468	my ($self) = @_;	2219	my ($self) = @_;
1469		2220
1470	my $lock = cf::lock_acquire "map_data:" . $self->path;	2221	my $lock = cf::lock_acquire "map_data:$self->{path}";
1471		2222
1472	$self->{last_save} = $cf::RUNTIME;	2223	$self->{last_save} = $cf::RUNTIME;
1473		2224
1474	return unless $self->dirty;	2225	return unless $self->dirty;
1475		2226
…		…
1481	return if $self->{deny_save};	2232	return if $self->{deny_save};
1482		2233
1483	local $self->{last_access} = $self->last_access;#d#	2234	local $self->{last_access} = $self->last_access;#d#
1484		2235
1485	cf::async {	2236	cf::async {
		2237	$Coro::current->{desc} = "map player save";
1486	$_->contr->save for $self->players;	2238	$_->contr->save for $self->players;
1487	};	2239	};
		2240
		2241	cf::get_slot 0.02;
1488		2242
1489	if ($uniq) {	2243	if ($uniq) {
1490	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2244	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1491	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2245	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1492	} else {	2246	} else {
…		…
1498	my ($self) = @_;	2252	my ($self) = @_;
1499		2253
1500	# save first because save cedes	2254	# save first because save cedes
1501	$self->save;	2255	$self->save;
1502		2256
1503	my $lock = cf::lock_acquire "map_data:" . $self->path;	2257	my $lock = cf::lock_acquire "map_data:$self->{path}";
1504		2258
1505	return if $self->players;	2259	return if $self->players;
1506	return if $self->in_memory != cf::MAP_IN_MEMORY;	2260	return if $self->in_memory != cf::MAP_ACTIVE;
1507	return if $self->{deny_save};	2261	return if $self->{deny_save};
1508		2262
		2263	$self->in_memory (cf::MAP_SWAPPED);
		2264
		2265	$self->deactivate;
		2266	$_->clear_links_to ($self) for values %cf::MAP;
1509	$self->clear;	2267	$self->clear;
1510	$self->in_memory (cf::MAP_SWAPPED);
1511	}	2268	}
1512		2269
1513	sub reset_at {	2270	sub reset_at {
1514	my ($self) = @_;	2271	my ($self) = @_;
1515		2272
1516	# TODO: safety, remove and allow resettable per-player maps	2273	# TODO: safety, remove and allow resettable per-player maps
1517	return 1e99 if $self->isa ("ext::map_per_player");
1518	return 1e99 if $self->{deny_reset};	2274	return 1e99 if $self->{deny_reset};
1519		2275
1520	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2276	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1521	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2277	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1522		2278
…		…
1527	my ($self) = @_;	2283	my ($self) = @_;
1528		2284
1529	$self->reset_at <= $cf::RUNTIME	2285	$self->reset_at <= $cf::RUNTIME
1530	}	2286	}
1531		2287
1532	sub rename {
1533	my ($self, $new_path) = @_;
1534
1535	normalise $new_path;
1536
1537	$self->unlink_save;
1538
1539	delete $cf::MAP{$self->path};
1540	$self->{path} = $new_path; $self->path ($self->{path});
1541	$cf::MAP{$self->path} = $self;
1542
1543	$self->save;
1544	}
1545
1546	sub reset {	2288	sub reset {
1547	my ($self) = @_;	2289	my ($self) = @_;
1548		2290
1549	my $lock = cf::lock_acquire "map_data:" . $self->path;	2291	my $lock = cf::lock_acquire "map_data:$self->{path}";
1550		2292
1551	return if $self->players;	2293	return if $self->players;
1552	return if $self->isa ("ext::map_per_player");#d#
1553		2294
1554	warn "resetting map ", $self->path;#d#	2295	warn "resetting map ", $self->path;
		2296
		2297	$self->in_memory (cf::MAP_SWAPPED);
		2298
		2299	# need to save uniques path
		2300	unless ($self->{deny_save}) {
		2301	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2302
		2303	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2304	if $uniq;
		2305	}
1555		2306
1556	delete $cf::MAP{$self->path};	2307	delete $cf::MAP{$self->path};
1557		2308
		2309	$self->deactivate;
1558	$_->clear_links_to ($self) for values %cf::MAP;	2310	$_->clear_links_to ($self) for values %cf::MAP;
		2311	$self->clear;
1559		2312
1560	$self->unlink_save;	2313	$self->unlink_save;
1561	$self->destroy;	2314	$self->destroy;
1562	}	2315	}
1563		2316
1564	my $nuke_counter = "aaaa";	2317	my $nuke_counter = "aaaa";
1565		2318
1566	sub nuke {	2319	sub nuke {
1567	my ($self) = @_;	2320	my ($self) = @_;
1568		2321
		2322	{
		2323	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2324
		2325	delete $cf::MAP{$self->path};
		2326
		2327	$self->unlink_save;
		2328
		2329	bless $self, "cf::map";
		2330	delete $self->{deny_reset};
1569	$self->{deny_save} = 1;	2331	$self->{deny_save} = 1;
1570	$self->reset_timeout (1);	2332	$self->reset_timeout (1);
1571	$self->rename ("{nuke}/" . ($nuke_counter++));	2333	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2334
		2335	$cf::MAP{$self->path} = $self;
		2336	}
		2337
1572	$self->reset; # polite request, might not happen	2338	$self->reset; # polite request, might not happen
		2339	}
		2340
		2341	=item $maps = cf::map::tmp_maps
		2342
		2343	Returns an arrayref with all map paths of currently instantiated and saved
		2344	maps. May block.
		2345
		2346	=cut
		2347
		2348	sub tmp_maps() {
		2349	[
		2350	map {
		2351	utf8::decode $_;
		2352	/\.map$/
		2353	? normalise $_
		2354	: ()
		2355	} @{ aio_readdir $TMPDIR or [] }
		2356	]
		2357	}
		2358
		2359	=item $maps = cf::map::random_maps
		2360
		2361	Returns an arrayref with all map paths of currently instantiated and saved
		2362	random maps. May block.
		2363
		2364	=cut
		2365
		2366	sub random_maps() {
		2367	[
		2368	map {
		2369	utf8::decode $_;
		2370	/\.map$/
		2371	? normalise "?random/$_"
		2372	: ()
		2373	} @{ aio_readdir $RANDOMDIR or [] }
		2374	]
1573	}	2375	}
1574		2376
1575	=item cf::map::unique_maps	2377	=item cf::map::unique_maps
1576		2378
1577	Returns an arrayref of paths of all shared maps that have	2379	Returns an arrayref of paths of all shared maps that have
1578	instantiated unique items. May block.	2380	instantiated unique items. May block.
1579		2381
1580	=cut	2382	=cut
1581		2383
1582	sub unique_maps() {	2384	sub unique_maps() {
1583	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2385	[
1584	or return;	2386	map {
1585
1586	my @paths;
1587
1588	for (@$files) {
1589	utf8::decode $_;	2387	utf8::decode $_;
1590	next if /\.pst$/;	2388	s/\.map$//; # TODO future compatibility hack
1591	next unless /^$PATH_SEP/o;	2389	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1592		2390	? ()
1593	push @paths, $_;	2391	: normalise $_
		2392	} @{ aio_readdir $UNIQUEDIR or [] }
1594	}	2393	]
1595
1596	\@paths
1597	}	2394	}
1598
1599	package cf;
1600		2395
1601	=back	2396	=back
1602		2397
1603	=head3 cf::object	2398	=head3 cf::object
1604		2399
…		…
1608		2403
1609	=over 4	2404	=over 4
1610		2405
1611	=item $ob->inv_recursive	2406	=item $ob->inv_recursive
1612		2407
1613	Returns the inventory of the object _and_ their inventories, recursively.	2408	Returns the inventory of the object I<and> their inventories, recursively,
		2409	but I<not> the object itself.
1614		2410
1615	=cut	2411	=cut
1616		2412
1617	sub inv_recursive_;	2413	sub inv_recursive_;
1618	sub inv_recursive_ {	2414	sub inv_recursive_ {
…		…
1621		2417
1622	sub inv_recursive {	2418	sub inv_recursive {
1623	inv_recursive_ inv $_[0]	2419	inv_recursive_ inv $_[0]
1624	}	2420	}
1625		2421
		2422	=item $ref = $ob->ref
		2423
		2424	Creates and returns a persistent reference to an object that can be stored as a string.
		2425
		2426	=item $ob = cf::object::deref ($refstring)
		2427
		2428	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2429	even if the object actually exists. May block.
		2430
		2431	=cut
		2432
		2433	sub deref {
		2434	my ($ref) = @_;
		2435
		2436	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2437	my ($uuid, $name) = ($1, $2);
		2438	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2439	or return;
		2440	$pl->ob->uuid eq $uuid
		2441	or return;
		2442
		2443	$pl->ob
		2444	} else {
		2445	warn "$ref: cannot resolve object reference\n";
		2446	undef
		2447	}
		2448	}
		2449
1626	package cf;	2450	package cf;
1627		2451
1628	=back	2452	=back
1629		2453
1630	=head3 cf::object::player	2454	=head3 cf::object::player
…		…
1636	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2460	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1637	can be C<undef>. Does the right thing when the player is currently in a	2461	can be C<undef>. Does the right thing when the player is currently in a
1638	dialogue with the given NPC character.	2462	dialogue with the given NPC character.
1639		2463
1640	=cut	2464	=cut
		2465
		2466	our $SAY_CHANNEL = {
		2467	id => "say",
		2468	title => "Map",
		2469	reply => "say ",
		2470	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2471	};
		2472
		2473	our $CHAT_CHANNEL = {
		2474	id => "chat",
		2475	title => "Chat",
		2476	reply => "chat ",
		2477	tooltip => "Player chat and shouts, global to the server.",
		2478	};
1641		2479
1642	# rough implementation of a future "reply" method that works	2480	# rough implementation of a future "reply" method that works
1643	# with dialog boxes.	2481	# with dialog boxes.
1644	#TODO: the first argument must go, split into a $npc->reply_to ( method	2482	#TODO: the first argument must go, split into a $npc->reply_to ( method
1645	sub cf::object::player::reply($$$;$) {	2483	sub cf::object::player::reply($$$;$) {
…		…
1647		2485
1648	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2486	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1649		2487
1650	if ($self->{record_replies}) {	2488	if ($self->{record_replies}) {
1651	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2489	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2490
1652	} else {	2491	} else {
		2492	my $pl = $self->contr;
		2493
		2494	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2495	my $dialog = $pl->{npc_dialog};
		2496	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2497
		2498	} else {
1653	$msg = $npc->name . " says: $msg" if $npc;	2499	$msg = $npc->name . " says: $msg" if $npc;
1654	$self->message ($msg, $flags);	2500	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2501	}
1655	}	2502	}
		2503	}
		2504
		2505	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2506
		2507	=cut
		2508
		2509	sub cf::object::send_msg {
		2510	my $pl = shift->contr
		2511	or return;
		2512	$pl->send_msg (@_);
1656	}	2513	}
1657		2514
1658	=item $player_object->may ("access")	2515	=item $player_object->may ("access")
1659		2516
1660	Returns wether the given player is authorized to access resource "access"	2517	Returns wether the given player is authorized to access resource "access"
…		…
1692	=cut	2549	=cut
1693		2550
1694	sub link_map {	2551	sub link_map {
1695	unless ($LINK_MAP) {	2552	unless ($LINK_MAP) {
1696	$LINK_MAP = cf::map::find "{link}"	2553	$LINK_MAP = cf::map::find "{link}"
1697	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2554	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1698	$LINK_MAP->load;	2555	$LINK_MAP->load;
1699	}	2556	}
1700		2557
1701	$LINK_MAP	2558	$LINK_MAP
1702	}	2559	}
…		…
1707	$self->deactivate_recursive;	2564	$self->deactivate_recursive;
1708		2565
1709	return if UNIVERSAL::isa $self->map, "ext::map_link";	2566	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		2567
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2568	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	2569	if $self->map && $self->map->{path} ne "{link}";
1713		2570
1714	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2571	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	2572	}
1716		2573
1717	sub cf::object::player::leave_link {	2574	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	2575	my ($self, $map, $x, $y) = @_;
		2576
		2577	return unless $self->contr->active;
1719		2578
1720	my $link_pos = delete $self->{_link_pos};	2579	my $link_pos = delete $self->{_link_pos};
1721		2580
1722	unless ($map) {	2581	unless ($map) {
1723	# restore original map position	2582	# restore original map position
…		…
1737	# use -1 or undef as default coordinates, not 0, 0	2596	# use -1 or undef as default coordinates, not 0, 0
1738	($x, $y) = ($map->enter_x, $map->enter_y)	2597	($x, $y) = ($map->enter_x, $map->enter_y)
1739	if $x <=0 && $y <= 0;	2598	if $x <=0 && $y <= 0;
1740		2599
1741	$map->load;	2600	$map->load;
1742	$map->load_diag;	2601	$map->load_neighbours;
1743		2602
1744	return unless $self->contr->active;	2603	return unless $self->contr->active;
1745	$self->activate_recursive;	2604	$self->activate_recursive;
		2605
		2606	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746	$self->enter_map ($map, $x, $y);	2607	$self->enter_map ($map, $x, $y);
1747	}	2608	}
1748		2609
1749	cf::player->attach (	2610	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1750	on_logout => sub {
1751	my ($pl) = @_;
1752		2611
1753	# abort map switching before logout	2612	Moves the player to the given map-path and coordinates by first freezing
1754	if ($pl->ob->{_link_pos}) {	2613	her, loading and preparing them map, calling the provided $check callback
1755	cf::sync_job {	2614	that has to return the map if sucecssful, and then unfreezes the player on
1756	$pl->ob->leave_link	2615	the new (success) or old (failed) map position. In either case, $done will
1757	};	2616	be called at the end of this process.
1758	}
1759	},
1760	on_login => sub {
1761	my ($pl) = @_;
1762		2617
1763	# try to abort aborted map switching on player login :)
1764	# should happen only on crashes
1765	if ($pl->ob->{_link_pos}) {
1766	$pl->ob->enter_link;
1767	(async {
1768	# we need this sleep as the login has a concurrent enter_exit running
1769	# and this sleep increases chances of the player not ending up in scorn
1770	$pl->ob->reply (undef,
1771	"There was an internal problem at your last logout, "
1772	. "the server will try to bring you to your intended destination in a second.",
1773	cf::NDI_RED);
1774	Coro::Timer::sleep 1;
1775	$pl->ob->leave_link;
1776	})->prio (2);
1777	}
1778	},
1779	);
1780
1781	=item $player_object->goto ($path, $x, $y)
1782
1783	=cut	2618	=cut
		2619
		2620	our $GOTOGEN;
1784		2621
1785	sub cf::object::player::goto {	2622	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	2623	my ($self, $path, $x, $y, $check, $done) = @_;
		2624
		2625	# do generation counting so two concurrent goto's will be executed in-order
		2626	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1787		2627
1788	$self->enter_link;	2628	$self->enter_link;
1789		2629
1790	(async {	2630	(async {
1791	my $map = cf::map::find $path;	2631	$Coro::current->{desc} = "player::goto $path $x $y";
		2632
		2633	# *tag paths override both path and x|y
		2634	if ($path =~ /^\*(.*)$/) {
		2635	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2636	my $ob = $obs[rand @obs];
		2637
		2638	# see if we actually can go there
		2639	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2640	$ob = $obs[rand @obs];
		2641	} else {
		2642	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2643	}
		2644	# else put us there anyways for now #d#
		2645
		2646	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2647	} else {
		2648	($path, $x, $y) = (undef, undef, undef);
		2649	}
		2650	}
		2651
		2652	my $map = eval {
		2653	my $map = defined $path ? cf::map::find $path : undef;
		2654
		2655	if ($map) {
1792	$map = $map->customise_for ($self) if $map;	2656	$map = $map->customise_for ($self);
1793		2657	$map = $check->($map) if $check && $map;
1794	# warn "entering ", $map->path, " at ($x, $y)\n"	2658	} else {
1795	# if $map;
1796
1797	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2659	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2660	}
1798		2661
		2662	$map
		2663	};
		2664
		2665	if ($@) {
		2666	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2667	LOG llevError | logBacktrace, Carp::longmess $@;
		2668	}
		2669
		2670	if ($gen == $self->{_goto_generation}) {
		2671	delete $self->{_goto_generation};
1799	$self->leave_link ($map, $x, $y);	2672	$self->leave_link ($map, $x, $y);
		2673	}
		2674
		2675	$done->() if $done;
1800	})->prio (1);	2676	})->prio (1);
1801	}	2677	}
1802		2678
1803	=item $player_object->enter_exit ($exit_object)	2679	=item $player_object->enter_exit ($exit_object)
1804		2680
…		…
1806		2682
1807	sub parse_random_map_params {	2683	sub parse_random_map_params {
1808	my ($spec) = @_;	2684	my ($spec) = @_;
1809		2685
1810	my $rmp = { # defaults	2686	my $rmp = { # defaults
1811	xsize => 10,	2687	xsize => (cf::rndm 15, 40),
1812	ysize => 10,	2688	ysize => (cf::rndm 15, 40),
		2689	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2690	#layout => string,
1813	};	2691	};
1814		2692
1815	for (split /\n/, $spec) {	2693	for (split /\n/, $spec) {
1816	my ($k, $v) = split /\s+/, $_, 2;	2694	my ($k, $v) = split /\s+/, $_, 2;
1817		2695
…		…
1829	# that depends on the exit object	2707	# that depends on the exit object
1830		2708
1831	my $rmp = parse_random_map_params $exit->msg;	2709	my $rmp = parse_random_map_params $exit->msg;
1832		2710
1833	if ($exit->map) {	2711	if ($exit->map) {
1834	$rmp->{region} = $exit->map->region_name;	2712	$rmp->{region} = $exit->region->name;
1835	$rmp->{origin_map} = $exit->map->path;	2713	$rmp->{origin_map} = $exit->map->path;
1836	$rmp->{origin_x} = $exit->x;	2714	$rmp->{origin_x} = $exit->x;
1837	$rmp->{origin_y} = $exit->y;	2715	$rmp->{origin_y} = $exit->y;
		2716
		2717	$exit->map->touch;
1838	}	2718	}
1839		2719
1840	$rmp->{random_seed} ||= $exit->random_seed;	2720	$rmp->{random_seed} ||= $exit->random_seed;
1841		2721
1842	my $data = cf::to_json $rmp;	2722	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1843	my $md5 = Digest::MD5::md5_hex $data;	2723	my $md5 = Digest::MD5::md5_hex $data;
		2724	my $meta = "$RANDOMDIR/$md5.meta";
1844		2725
1845	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2726	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1846	aio_write $fh, 0, (length $data), $data, 0;	2727	aio_write $fh, 0, (length $data), $data, 0;
		2728	undef $fh;
		2729	aio_rename "$meta~", $meta;
1847		2730
		2731	my $slaying = "?random/$md5";
		2732
		2733	if ($exit->valid) {
1848	$exit->slaying ("?random/$md5");	2734	$exit->slaying ("?random/$md5");
1849	$exit->msg (undef);	2735	$exit->msg (undef);
		2736	}
1850	}	2737	}
1851	}	2738	}
1852		2739
1853	sub cf::object::player::enter_exit {	2740	sub cf::object::player::enter_exit {
1854	my ($self, $exit) = @_;	2741	my ($self, $exit) = @_;
…		…
1856	return unless $self->type == cf::PLAYER;	2743	return unless $self->type == cf::PLAYER;
1857		2744
1858	$self->enter_link;	2745	$self->enter_link;
1859		2746
1860	(async {	2747	(async {
1861	$self->deactivate_recursive; # just to be sure	2748	$Coro::current->{desc} = "enter_exit";
		2749
1862	unless (eval {	2750	unless (eval {
		2751	$self->deactivate_recursive; # just to be sure
		2752
		2753	# random map handling
		2754	{
		2755	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2756
1863	prepare_random_map $exit	2757	prepare_random_map $exit
1864	if $exit->slaying eq "/!";	2758	if $exit->slaying eq "/!";
		2759	}
1865		2760
1866	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;	2761	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1867	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2762	my $x = $exit->stats->hp;
		2763	my $y = $exit->stats->sp;
1868		2764
		2765	$self->goto ($map, $x, $y);
		2766
		2767	# if exit is damned, update players death & WoR home-position
		2768	$self->contr->savebed ($map, $x, $y)
		2769	if $exit->flag (cf::FLAG_DAMNED);
		2770
1869	1;	2771	1
1870	}) {	2772	}) {
1871	$self->message ("Something went wrong deep within the crossfire server. "	2773	$self->message ("Something went wrong deep within the crossfire server. "
1872	. "I'll try to bring you back to the map you were before. "	2774	. "I'll try to bring you back to the map you were before. "
1873	. "Please report this to the dungeon master!",	2775	. "Please report this to the dungeon master!",
1874	cf::NDI_UNIQUE | cf::NDI_RED);	2776	cf::NDI_UNIQUE | cf::NDI_RED);
1875		2777
1876	warn "ERROR in enter_exit: $@";	2778	warn "ERROR in enter_exit: $@";
1877	$self->leave_link;	2779	$self->leave_link;
1878	}	2780	}
1879	})->prio (1);	2781	})->prio (1);
…		…
1892		2794
1893	sub cf::client::send_drawinfo {	2795	sub cf::client::send_drawinfo {
1894	my ($self, $text, $flags) = @_;	2796	my ($self, $text, $flags) = @_;
1895		2797
1896	utf8::encode $text;	2798	utf8::encode $text;
1897	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2799	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1898	}	2800	}
1899		2801
		2802	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2803
		2804	Send a drawinfo or msg packet to the client, formatting the msg for the
		2805	client if neccessary. C<$type> should be a string identifying the type of
		2806	the message, with C<log> being the default. If C<$color> is negative, suppress
		2807	the message unless the client supports the msg packet.
		2808
		2809	=cut
		2810
		2811	# non-persistent channels (usually the info channel)
		2812	our %CHANNEL = (
		2813	"c/identify" => {
		2814	id => "infobox",
		2815	title => "Identify",
		2816	reply => undef,
		2817	tooltip => "Items recently identified",
		2818	},
		2819	"c/examine" => {
		2820	id => "infobox",
		2821	title => "Examine",
		2822	reply => undef,
		2823	tooltip => "Signs and other items you examined",
		2824	},
		2825	"c/book" => {
		2826	id => "infobox",
		2827	title => "Book",
		2828	reply => undef,
		2829	tooltip => "The contents of a note or book",
		2830	},
		2831	"c/lookat" => {
		2832	id => "infobox",
		2833	title => "Look",
		2834	reply => undef,
		2835	tooltip => "What you saw there",
		2836	},
		2837	"c/who" => {
		2838	id => "infobox",
		2839	title => "Players",
		2840	reply => undef,
		2841	tooltip => "Shows players who are currently online",
		2842	},
		2843	"c/body" => {
		2844	id => "infobox",
		2845	title => "Body Parts",
		2846	reply => undef,
		2847	tooltip => "Shows which body parts you posess and are available",
		2848	},
		2849	"c/uptime" => {
		2850	id => "infobox",
		2851	title => "Uptime",
		2852	reply => undef,
		2853	tooltip => "How long the server has been running since last restart",
		2854	},
		2855	"c/mapinfo" => {
		2856	id => "infobox",
		2857	title => "Map Info",
		2858	reply => undef,
		2859	tooltip => "Information related to the maps",
		2860	},
		2861	"c/party" => {
		2862	id => "party",
		2863	title => "Party",
		2864	reply => "gsay ",
		2865	tooltip => "Messages and chat related to your party",
		2866	},
		2867	);
		2868
		2869	sub cf::client::send_msg {
		2870	my ($self, $channel, $msg, $color, @extra) = @_;
		2871
		2872	$msg = $self->pl->expand_cfpod ($msg);
		2873
		2874	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2875
		2876	# check predefined channels, for the benefit of C
		2877	if ($CHANNEL{$channel}) {
		2878	$channel = $CHANNEL{$channel};
		2879
		2880	$self->ext_msg (channel_info => $channel)
		2881	if $self->can_msg;
		2882
		2883	$channel = $channel->{id};
		2884
		2885	} elsif (ref $channel) {
		2886	# send meta info to client, if not yet sent
		2887	unless (exists $self->{channel}{$channel->{id}}) {
		2888	$self->{channel}{$channel->{id}} = $channel;
		2889	$self->ext_msg (channel_info => $channel)
		2890	if $self->can_msg;
		2891	}
		2892
		2893	$channel = $channel->{id};
		2894	}
		2895
		2896	return unless @extra || length $msg;
		2897
		2898	if ($self->can_msg) {
		2899	# default colour, mask it out
		2900	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2901	if $color & cf::NDI_DEF;
		2902
		2903	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2904	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2905	} else {
		2906	if ($color >= 0) {
		2907	# replace some tags by gcfclient-compatible ones
		2908	for ($msg) {
		2909	1 while
		2910	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2911	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2912	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2913	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2914	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2915	}
		2916
		2917	$color &= cf::NDI_COLOR_MASK;
		2918
		2919	utf8::encode $msg;
		2920
		2921	if (0 && $msg =~ /\[/) {
		2922	# COMMAND/INFO
		2923	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2924	} else {
		2925	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2926	$self->send_packet ("drawinfo $color $msg")
		2927	}
		2928	}
		2929	}
		2930	}
		2931
		2932	=item $client->ext_msg ($type, @msg)
		2933
		2934	Sends an ext event to the client.
		2935
		2936	=cut
		2937
		2938	sub cf::client::ext_msg($$@) {
		2939	my ($self, $type, @msg) = @_;
		2940
		2941	if ($self->extcmd == 2) {
		2942	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2943	} elsif ($self->extcmd == 1) { # TODO: remove
		2944	push @msg, msgtype => "event_$type";
		2945	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2946	}
		2947	}
		2948
		2949	=item $client->ext_reply ($msgid, @msg)
		2950
		2951	Sends an ext reply to the client.
		2952
		2953	=cut
		2954
		2955	sub cf::client::ext_reply($$@) {
		2956	my ($self, $id, @msg) = @_;
		2957
		2958	if ($self->extcmd == 2) {
		2959	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2960	} elsif ($self->extcmd == 1) {
		2961	#TODO: version 1, remove
		2962	unshift @msg, msgtype => "reply", msgid => $id;
		2963	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2964	}
		2965	}
1900		2966
1901	=item $success = $client->query ($flags, "text", \&cb)	2967	=item $success = $client->query ($flags, "text", \&cb)
1902		2968
1903	Queues a query to the client, calling the given callback with	2969	Queues a query to the client, calling the given callback with
1904	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2970	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1905	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2971	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1906		2972
1907	Queries can fail, so check the return code. Or don't, as queries will become	2973	Queries can fail, so check the return code. Or don't, as queries will
1908	reliable at some point in the future.	2974	become reliable at some point in the future.
1909		2975
1910	=cut	2976	=cut
1911		2977
1912	sub cf::client::query {	2978	sub cf::client::query {
1913	my ($self, $flags, $text, $cb) = @_;	2979	my ($self, $flags, $text, $cb) = @_;
…		…
1921	utf8::encode $text;	2987	utf8::encode $text;
1922	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2988	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1923		2989
1924	$self->send_packet ($self->{query_queue}[0][0])	2990	$self->send_packet ($self->{query_queue}[0][0])
1925	if @{ $self->{query_queue} } == 1;	2991	if @{ $self->{query_queue} } == 1;
		2992
		2993	1
1926	}	2994	}
1927		2995
1928	cf::client->attach (	2996	cf::client->attach (
		2997	on_connect => sub {
		2998	my ($ns) = @_;
		2999
		3000	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3001	},
1929	on_reply => sub {	3002	on_reply => sub {
1930	my ($ns, $msg) = @_;	3003	my ($ns, $msg) = @_;
1931		3004
1932	# this weird shuffling is so that direct followup queries	3005	# this weird shuffling is so that direct followup queries
1933	# get handled first	3006	# get handled first
1934	my $queue = delete $ns->{query_queue}	3007	my $queue = delete $ns->{query_queue}
1935	or return; # be conservative, not sure how that can happen, but we saw a crash here	3008	or return; # be conservative, not sure how that can happen, but we saw a crash here
1936		3009
1937	(shift @$queue)->[1]->($msg);	3010	(shift @$queue)->[1]->($msg);
		3011	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1938		3012
1939	push @{ $ns->{query_queue} }, @$queue;	3013	push @{ $ns->{query_queue} }, @$queue;
1940		3014
1941	if (@{ $ns->{query_queue} } == @$queue) {	3015	if (@{ $ns->{query_queue} } == @$queue) {
1942	if (@$queue) {	3016	if (@$queue) {
…		…
1944	} else {	3018	} else {
1945	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3019	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1946	}	3020	}
1947	}	3021	}
1948	},	3022	},
		3023	on_exticmd => sub {
		3024	my ($ns, $buf) = @_;
		3025
		3026	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3027
		3028	if (ref $msg) {
		3029	my ($type, $reply, @payload) =
		3030	"ARRAY" eq ref $msg
		3031	? @$msg
		3032	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3033
		3034	my @reply;
		3035
		3036	if (my $cb = $EXTICMD{$type}) {
		3037	@reply = $cb->($ns, @payload);
		3038	}
		3039
		3040	$ns->ext_reply ($reply, @reply)
		3041	if $reply;
		3042
		3043	} else {
		3044	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3045	}
		3046
		3047	cf::override;
		3048	},
1949	);	3049	);
1950		3050
1951	=item $client->async (\&cb)	3051	=item $client->async (\&cb)
1952		3052
1953	Create a new coroutine, running the specified callback. The coroutine will	3053	Create a new coroutine, running the specified callback. The coroutine will
…		…
1994	our $safe = new Safe "safe";	3094	our $safe = new Safe "safe";
1995	our $safe_hole = new Safe::Hole;	3095	our $safe_hole = new Safe::Hole;
1996		3096
1997	$SIG{FPE} = 'IGNORE';	3097	$SIG{FPE} = 'IGNORE';
1998		3098
1999	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3099	$safe->permit_only (Opcode::opset qw(
		3100	:base_core :base_mem :base_orig :base_math
		3101	grepstart grepwhile mapstart mapwhile
		3102	sort time
		3103	));
2000		3104
2001	# here we export the classes and methods available to script code	3105	# here we export the classes and methods available to script code
2002		3106
2003	=pod	3107	=pod
2004		3108
2005	The following fucntions and emthods are available within a safe environment:	3109	The following functions and methods are available within a safe environment:
2006		3110
2007	cf::object contr pay_amount pay_player map	3111	cf::object
		3112	contr pay_amount pay_player map x y force_find force_add destroy
		3113	insert remove name archname title slaying race decrease split
		3114
2008	cf::object::player player	3115	cf::object::player
2009	cf::player peaceful	3116	player
2010	cf::map trigger	3117
		3118	cf::player
		3119	peaceful
		3120
		3121	cf::map
		3122	trigger
2011		3123
2012	=cut	3124	=cut
2013		3125
2014	for (	3126	for (
2015	["cf::object" => qw(contr pay_amount pay_player map)],	3127	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3128	insert remove inv nrof name archname title slaying race
		3129	decrease split destroy)],
2016	["cf::object::player" => qw(player)],	3130	["cf::object::player" => qw(player)],
2017	["cf::player" => qw(peaceful)],	3131	["cf::player" => qw(peaceful)],
2018	["cf::map" => qw(trigger)],	3132	["cf::map" => qw(trigger)],
2019	) {	3133	) {
2020	no strict 'refs';	3134	no strict 'refs';
…		…
2091	=back	3205	=back
2092		3206
2093	=cut	3207	=cut
2094		3208
2095	#############################################################################	3209	#############################################################################
		3210	# the server's init and main functions
2096		3211
2097	=head2 EXTENSION DATABASE SUPPORT	3212	sub load_facedata($) {
		3213	my ($path) = @_;
2098		3214
2099	Crossfire maintains a very simple database for extension use. It can	3215	# HACK to clear player env face cache, we need some signal framework
2100	currently store anything that can be serialised using Storable, which	3216	# for this (global event?)
2101	excludes objects.	3217	%ext::player_env::MUSIC_FACE_CACHE = ();
2102		3218
2103	The parameter C<$family> should best start with the name of the extension	3219	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2104	using it, it should be unique.
2105		3220
2106	=over 4	3221	warn "loading facedata from $path\n";
2107		3222
2108	=item $hashref = cf::db_get $family	3223	my $facedata;
		3224	0 < aio_load $path, $facedata
		3225	or die "$path: $!";
2109		3226
2110	Return a hashref for use by the extension C<$family>, which can be	3227	$facedata = Coro::Storable::thaw $facedata;
2111	modified. After modifications, you have to call C<cf::db_dirty> or
2112	C<cf::db_sync>.
2113		3228
2114	=item $value = cf::db_get $family => $key	3229	$facedata->{version} == 2
		3230	or cf::cleanup "$path: version mismatch, cannot proceed.";
2115		3231
2116	Returns a single value from the database	3232	# patch in the exptable
2117		3233	$facedata->{resource}{"res/exp_table"} = {
2118	=item cf::db_put $family => $hashref	3234	type => FT_RSRC,
2119		3235	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2120	Stores the given family hashref into the database. Updates are delayed, if
2121	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2122
2123	=item cf::db_put $family => $key => $value
2124
2125	Stores the given C<$value> in the family hash. Updates are delayed, if you
2126	want the data to be synced to disk immediately, use C<cf::db_sync>.
2127
2128	=item cf::db_dirty
2129
2130	Marks the database as dirty, to be updated at a later time.
2131
2132	=item cf::db_sync
2133
2134	Immediately write the database to disk I<if it is dirty>.
2135
2136	=cut
2137
2138	our $DB;
2139
2140	{
2141	my $path = cf::localdir . "/database.pst";
2142
2143	sub db_load() {
2144	$DB = stat $path ? Storable::retrieve $path : { };
2145	}
2146
2147	my $pid;
2148
2149	sub db_save() {
2150	waitpid $pid, 0 if $pid;
2151	if (0 == ($pid = fork)) {
2152	$DB->{_meta}{version} = 1;
2153	Storable::nstore $DB, "$path~";
2154	rename "$path~", $path;
2155	cf::_exit 0 if defined $pid;
2156	}
2157	}
2158
2159	my $dirty;
2160
2161	sub db_sync() {
2162	db_save if $dirty;
2163	undef $dirty;
2164	}
2165
2166	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2167	db_sync;
2168	});	3236	};
		3237	cf::cede_to_tick;
2169		3238
2170	sub db_dirty() {
2171	$dirty = 1;
2172	$idle->start;
2173	}	3239	{
		3240	my $faces = $facedata->{faceinfo};
2174		3241
2175	sub db_get($;$) {	3242	while (my ($face, $info) = each %$faces) {
2176	@_ >= 2	3243	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2177	? $DB->{$_[0]}{$_[1]}
2178	: ($DB->{$_[0]} ||= { })
2179	}
2180		3244
2181	sub db_put($$;$) {	3245	cf::face::set_visibility $idx, $info->{visibility};
2182	if (@_ >= 3) {	3246	cf::face::set_magicmap $idx, $info->{magicmap};
2183	$DB->{$_[0]}{$_[1]} = $_[2];	3247	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2184	} else {	3248	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2185	$DB->{$_[0]} = $_[1];
2186	}
2187	db_dirty;
2188	}
2189		3249
2190	cf::global->attach (	3250	cf::cede_to_tick;
2191	prio => 10000,
2192	on_cleanup => sub {
2193	db_sync;
2194	},	3251	}
2195	);
2196	}
2197		3252
2198	#############################################################################	3253	while (my ($face, $info) = each %$faces) {
2199	# the server's main()	3254	next unless $info->{smooth};
2200		3255
2201	sub cfg_load {	3256	my $idx = cf::face::find $face
		3257	or next;
		3258
		3259	if (my $smooth = cf::face::find $info->{smooth}) {
		3260	cf::face::set_smooth $idx, $smooth;
		3261	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3262	} else {
		3263	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3264	}
		3265
		3266	cf::cede_to_tick;
		3267	}
		3268	}
		3269
		3270	{
		3271	my $anims = $facedata->{animinfo};
		3272
		3273	while (my ($anim, $info) = each %$anims) {
		3274	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3275	cf::cede_to_tick;
		3276	}
		3277
		3278	cf::anim::invalidate_all; # d'oh
		3279	}
		3280
		3281	{
		3282	# TODO: for gcfclient pleasure, we should give resources
		3283	# that gcfclient doesn't grok a >10000 face index.
		3284	my $res = $facedata->{resource};
		3285
		3286	while (my ($name, $info) = each %$res) {
		3287	if (defined $info->{type}) {
		3288	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3289	my $data;
		3290
		3291	if ($info->{type} & 1) {
		3292	# prepend meta info
		3293
		3294	my $meta = $enc->encode ({
		3295	name => $name,
		3296	%{ $info->{meta} || {} },
		3297	});
		3298
		3299	$data = pack "(w/a*)*", $meta, $info->{data};
		3300	} else {
		3301	$data = $info->{data};
		3302	}
		3303
		3304	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3305	cf::face::set_type $idx, $info->{type};
		3306	} else {
		3307	$RESOURCE{$name} = $info;
		3308	}
		3309
		3310	cf::cede_to_tick;
		3311	}
		3312	}
		3313
		3314	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3315
		3316	1
		3317	}
		3318
		3319	cf::global->attach (on_resource_update => sub {
		3320	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3321	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3322
		3323	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3324	my $sound = $soundconf->{compat}[$_]
		3325	or next;
		3326
		3327	my $face = cf::face::find "sound/$sound->[1]";
		3328	cf::sound::set $sound->[0] => $face;
		3329	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3330	}
		3331
		3332	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3333	my $face = cf::face::find "sound/$v";
		3334	cf::sound::set $k => $face;
		3335	}
		3336	}
		3337	});
		3338
		3339	register_exticmd fx_want => sub {
		3340	my ($ns, $want) = @_;
		3341
		3342	while (my ($k, $v) = each %$want) {
		3343	$ns->fx_want ($k, $v);
		3344	}
		3345	};
		3346
		3347	sub load_resource_file($) {
		3348	my $guard = lock_acquire "load_resource_file";
		3349
		3350	my $status = load_resource_file_ $_[0];
		3351	get_slot 0.1, 100;
		3352	cf::arch::commit_load;
		3353
		3354	$status
		3355	}
		3356
		3357	sub reload_regions {
		3358	# HACK to clear player env face cache, we need some signal framework
		3359	# for this (global event?)
		3360	%ext::player_env::MUSIC_FACE_CACHE = ();
		3361
		3362	load_resource_file "$MAPDIR/regions"
		3363	or die "unable to load regions file\n";
		3364
		3365	for (cf::region::list) {
		3366	$_->{match} = qr/$_->{match}/
		3367	if exists $_->{match};
		3368	}
		3369	}
		3370
		3371	sub reload_facedata {
		3372	load_facedata "$DATADIR/facedata"
		3373	or die "unable to load facedata\n";
		3374	}
		3375
		3376	sub reload_archetypes {
		3377	load_resource_file "$DATADIR/archetypes"
		3378	or die "unable to load archetypes\n";
		3379	}
		3380
		3381	sub reload_treasures {
		3382	load_resource_file "$DATADIR/treasures"
		3383	or die "unable to load treasurelists\n";
		3384	}
		3385
		3386	sub reload_resources {
		3387	warn "reloading resource files...\n";
		3388
		3389	reload_facedata;
		3390	reload_archetypes;
		3391	reload_regions;
		3392	reload_treasures;
		3393
		3394	warn "finished reloading resource files\n";
		3395	}
		3396
		3397	sub init {
		3398	my $guard = freeze_mainloop;
		3399
		3400	reload_resources;
		3401	}
		3402
		3403	sub reload_config {
2202	open my $fh, "<:utf8", cf::confdir . "/config"	3404	open my $fh, "<:utf8", "$CONFDIR/config"
2203	or return;	3405	or return;
2204		3406
2205	local $/;	3407	local $/;
2206	*CFG = YAML::Syck::Load <$fh>;	3408	*CFG = YAML::Load <$fh>;
2207		3409
2208	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3410	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2209		3411
2210	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3412	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2211	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3413	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2221		3423
2222	sub main {	3424	sub main {
2223	# we must not ever block the main coroutine	3425	# we must not ever block the main coroutine
2224	local $Coro::idle = sub {	3426	local $Coro::idle = sub {
2225	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3427	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2226	async { Event::one_event };	3428	(async {
		3429	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3430	EV::loop EV::LOOP_ONESHOT;
		3431	})->prio (Coro::PRIO_MAX);
2227	};	3432	};
2228		3433
2229	cfg_load;	3434	{
2230	db_load;	3435	my $guard = freeze_mainloop;
		3436	reload_config;
		3437	db_init;
2231	load_extensions;	3438	load_extensions;
		3439
		3440	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3441	evthread_start IO::AIO::poll_fileno;
		3442	}
		3443
2232	Event::loop;	3444	EV::loop;
2233	}	3445	}
2234		3446
2235	#############################################################################	3447	#############################################################################
2236	# initialisation and cleanup	3448	# initialisation and cleanup
2237		3449
2238	# install some emergency cleanup handlers	3450	# install some emergency cleanup handlers
2239	BEGIN {	3451	BEGIN {
		3452	our %SIGWATCHER = ();
2240	for my $signal (qw(INT HUP TERM)) {	3453	for my $signal (qw(INT HUP TERM)) {
2241	Event->signal (	3454	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2242	data => WF_AUTOCANCEL,
2243	signal => $signal,
2244	cb => sub {
2245	cf::cleanup "SIG$signal";	3455	cf::cleanup "SIG$signal";
2246	},
2247	);	3456	};
		3457	}
		3458	}
		3459
		3460	sub write_runtime_sync {
		3461	my $runtime = "$LOCALDIR/runtime";
		3462
		3463	# first touch the runtime file to show we are still running:
		3464	# the fsync below can take a very very long time.
		3465
		3466	IO::AIO::aio_utime $runtime, undef, undef;
		3467
		3468	my $guard = cf::lock_acquire "write_runtime";
		3469
		3470	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3471	or return;
		3472
		3473	my $value = $cf::RUNTIME + 90 + 10;
		3474	# 10 is the runtime save interval, for a monotonic clock
		3475	# 60 allows for the watchdog to kill the server.
		3476
		3477	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3478	and return;
		3479
		3480	# always fsync - this file is important
		3481	aio_fsync $fh
		3482	and return;
		3483
		3484	# touch it again to show we are up-to-date
		3485	aio_utime $fh, undef, undef;
		3486
		3487	close $fh
		3488	or return;
		3489
		3490	aio_rename "$runtime~", $runtime
		3491	and return;
		3492
		3493	warn "runtime file written.\n";
		3494
2248	}	3495	1
		3496	}
		3497
		3498	our $uuid_lock;
		3499	our $uuid_skip;
		3500
		3501	sub write_uuid_sync($) {
		3502	$uuid_skip ||= $_[0];
		3503
		3504	return if $uuid_lock;
		3505	local $uuid_lock = 1;
		3506
		3507	my $uuid = "$LOCALDIR/uuid";
		3508
		3509	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3510	or return;
		3511
		3512	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3513	$uuid_skip = 0;
		3514
		3515	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3516	and return;
		3517
		3518	# always fsync - this file is important
		3519	aio_fsync $fh
		3520	and return;
		3521
		3522	close $fh
		3523	or return;
		3524
		3525	aio_rename "$uuid~", $uuid
		3526	and return;
		3527
		3528	warn "uuid file written ($value).\n";
		3529
		3530	1
		3531
		3532	}
		3533
		3534	sub write_uuid($$) {
		3535	my ($skip, $sync) = @_;
		3536
		3537	$sync ? write_uuid_sync $skip
		3538	: async { write_uuid_sync $skip };
2249	}	3539	}
2250		3540
2251	sub emergency_save() {	3541	sub emergency_save() {
2252	my $freeze_guard = cf::freeze_mainloop;	3542	my $freeze_guard = cf::freeze_mainloop;
2253		3543
2254	warn "enter emergency perl save\n";	3544	warn "enter emergency perl save\n";
2255		3545
2256	cf::sync_job {	3546	cf::sync_job {
2257	# use a peculiar iteration method to avoid tripping on perl	3547	# use a peculiar iteration method to avoid tripping on perl
2258	# refcount bugs in for. also avoids problems with players	3548	# refcount bugs in for. also avoids problems with players
2259	# and maps saved/Destroyed asynchronously.	3549	# and maps saved/destroyed asynchronously.
2260	warn "begin emergency player save\n";	3550	warn "begin emergency player save\n";
2261	for my $login (keys %cf::PLAYER) {	3551	for my $login (keys %cf::PLAYER) {
2262	my $pl = $cf::PLAYER{$login} or next;	3552	my $pl = $cf::PLAYER{$login} or next;
2263	$pl->valid or next;	3553	$pl->valid or next;
		3554	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2264	$pl->save;	3555	$pl->save;
2265	}	3556	}
2266	warn "end emergency player save\n";	3557	warn "end emergency player save\n";
2267		3558
2268	warn "begin emergency map save\n";	3559	warn "begin emergency map save\n";
…		…
2270	my $map = $cf::MAP{$path} or next;	3561	my $map = $cf::MAP{$path} or next;
2271	$map->valid or next;	3562	$map->valid or next;
2272	$map->save;	3563	$map->save;
2273	}	3564	}
2274	warn "end emergency map save\n";	3565	warn "end emergency map save\n";
		3566
		3567	warn "begin emergency database checkpoint\n";
		3568	BDB::db_env_txn_checkpoint $DB_ENV;
		3569	warn "end emergency database checkpoint\n";
		3570
		3571	warn "begin write uuid\n";
		3572	write_uuid_sync 1;
		3573	warn "end write uuid\n";
2275	};	3574	};
2276		3575
2277	warn "leave emergency perl save\n";	3576	warn "leave emergency perl save\n";
2278	}	3577	}
2279		3578
		3579	sub post_cleanup {
		3580	my ($make_core) = @_;
		3581
		3582	warn Carp::longmess "post_cleanup backtrace"
		3583	if $make_core;
		3584	}
		3585
2280	sub reload() {	3586	sub do_reload_perl() {
2281	# can/must only be called in main	3587	# can/must only be called in main
2282	if ($Coro::current != $Coro::main) {	3588	if ($Coro::current != $Coro::main) {
2283	warn "can only reload from main coroutine\n";	3589	warn "can only reload from main coroutine";
2284	return;	3590	return;
2285	}	3591	}
2286		3592
2287	warn "reloading...";	3593	warn "reloading...";
2288		3594
2289	warn "freezing server";	3595	warn "entering sync_job";
2290	my $guard = freeze_mainloop;	3596
		3597	cf::sync_job {
		3598	cf::write_runtime_sync; # external watchdog should not bark
2291	cf::emergency_save;	3599	cf::emergency_save;
		3600	cf::write_runtime_sync; # external watchdog should not bark
2292		3601
2293	warn "sync database to disk";	3602	warn "syncing database to disk";
2294	cf::db_sync;	3603	BDB::db_env_txn_checkpoint $DB_ENV;
2295	IO::AIO::flush;
2296		3604
2297	eval {
2298	# if anything goes wrong in here, we should simply crash as we already saved	3605	# if anything goes wrong in here, we should simply crash as we already saved
2299		3606
2300	warn "cancel all watchers";	3607	warn "flushing outstanding aio requests";
2301	for (Event::all_watchers) {	3608	for (;;) {
2302	$_->cancel if $_->data & WF_AUTOCANCEL;	3609	BDB::flush;
		3610	IO::AIO::flush;
		3611	Coro::cede_notself;
		3612	last unless IO::AIO::nreqs || BDB::nreqs;
		3613	warn "iterate...";
2303	}	3614	}
2304		3615
		3616	++$RELOAD;
		3617
2305	warn "cancel all extension coros";	3618	warn "cancelling all extension coros";
2306	$_->cancel for values %EXT_CORO;	3619	$_->cancel for values %EXT_CORO;
2307	%EXT_CORO = ();	3620	%EXT_CORO = ();
2308		3621
2309	warn "remove commands";	3622	warn "removing commands";
2310	%COMMAND = ();	3623	%COMMAND = ();
2311		3624
2312	warn "remove ext commands";	3625	warn "removing ext/exti commands";
2313	%EXTCMD = ();	3626	%EXTCMD = ();
		3627	%EXTICMD = ();
2314		3628
2315	warn "unload/nuke all extensions";	3629	warn "unloading/nuking all extensions";
2316	for my $pkg (@EXTS) {	3630	for my $pkg (@EXTS) {
2317	warn "... unloading $pkg";	3631	warn "... unloading $pkg";
2318		3632
2319	if (my $cb = $pkg->can ("unload")) {	3633	if (my $cb = $pkg->can ("unload")) {
2320	eval {	3634	eval {
…		…
2325		3639
2326	warn "... nuking $pkg";	3640	warn "... nuking $pkg";
2327	Symbol::delete_package $pkg;	3641	Symbol::delete_package $pkg;
2328	}	3642	}
2329		3643
2330	warn "unload all perl modules loaded from $LIBDIR";	3644	warn "unloading all perl modules loaded from $LIBDIR";
2331	while (my ($k, $v) = each %INC) {	3645	while (my ($k, $v) = each %INC) {
2332	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3646	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2333		3647
2334	warn "removing <$k>";	3648	warn "... unloading $k";
2335	delete $INC{$k};	3649	delete $INC{$k};
2336		3650
2337	$k =~ s/\.pm$//;	3651	$k =~ s/\.pm$//;
2338	$k =~ s/\//::/g;	3652	$k =~ s/\//::/g;
2339		3653
…		…
2342	}	3656	}
2343		3657
2344	Symbol::delete_package $k;	3658	Symbol::delete_package $k;
2345	}	3659	}
2346		3660
2347	warn "get rid of safe::, as good as possible";	3661	warn "getting rid of safe::, as good as possible";
2348	Symbol::delete_package "safe::$_"	3662	Symbol::delete_package "safe::$_"
2349	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3663	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2350		3664
2351	warn "unload cf.pm \"a bit\"";	3665	warn "unloading cf.pm \"a bit\"";
2352	delete $INC{"cf.pm"};	3666	delete $INC{"cf.pm"};
		3667	delete $INC{"cf/pod.pm"};
2353		3668
2354	# don't, removes xs symbols, too,	3669	# don't, removes xs symbols, too,
2355	# and global variables created in xs	3670	# and global variables created in xs
2356	#Symbol::delete_package __PACKAGE__;	3671	#Symbol::delete_package __PACKAGE__;
2357		3672
		3673	warn "unload completed, starting to reload now";
		3674
2358	warn "reloading cf.pm";	3675	warn "reloading cf.pm";
2359	require cf;	3676	require cf;
2360	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3677	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2361		3678
2362	warn "load config and database again";	3679	warn "loading config and database again";
2363	cf::cfg_load;	3680	cf::reload_config;
2364	cf::db_load;
2365		3681
2366	warn "load extensions";	3682	warn "loading extensions";
2367	cf::load_extensions;	3683	cf::load_extensions;
2368		3684
2369	warn "reattach attachments to objects/players";	3685	warn "reattaching attachments to objects/players";
2370	_global_reattach;	3686	_global_reattach; # objects, sockets
2371	warn "reattach attachments to maps";	3687	warn "reattaching attachments to maps";
2372	reattach $_ for values %MAP;	3688	reattach $_ for values %MAP;
		3689	warn "reattaching attachments to players";
		3690	reattach $_ for values %PLAYER;
		3691
		3692	warn "leaving sync_job";
		3693
		3694	1
		3695	} or do {
		3696	warn $@;
		3697	cf::cleanup "error while reloading, exiting.";
2373	};	3698	};
2374
2375	if ($@) {
2376	warn $@;
2377	warn "error while reloading, exiting.";
2378	exit 1;
2379	}
2380		3699
2381	warn "reloaded";	3700	warn "reloaded";
2382	};	3701	};
2383		3702
		3703	our $RELOAD_WATCHER; # used only during reload
		3704
		3705	sub reload_perl() {
		3706	# doing reload synchronously and two reloads happen back-to-back,
		3707	# coro crashes during coro_state_free->destroy here.
		3708
		3709	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3710	do_reload_perl;
		3711	undef $RELOAD_WATCHER;
		3712	};
		3713	}
		3714
2384	register_command "reload" => sub {	3715	register_command "reload" => sub {
2385	my ($who, $arg) = @_;	3716	my ($who, $arg) = @_;
2386		3717
2387	if ($who->flag (FLAG_WIZ)) {	3718	if ($who->flag (FLAG_WIZ)) {
2388	$who->message ("start of reload.");
2389	reload;
2390	$who->message ("end of reload.");	3719	$who->message ("reloading server.");
		3720	async {
		3721	$Coro::current->{desc} = "perl_reload";
		3722	reload_perl;
		3723	};
2391	}	3724	}
2392	};	3725	};
2393		3726
2394	unshift @INC, $LIBDIR;	3727	unshift @INC, $LIBDIR;
2395		3728
2396	$TICK_WATCHER = Event->timer (	3729	my $bug_warning = 0;
2397	reentrant => 0,
2398	prio => 0,
2399	at => $NEXT_TICK || $TICK,
2400	data => WF_AUTOCANCEL,
2401	cb => sub {
2402	$NOW = Event::time;
2403		3730
		3731	our @WAIT_FOR_TICK;
		3732	our @WAIT_FOR_TICK_BEGIN;
		3733
		3734	sub wait_for_tick {
		3735	return if tick_inhibit || $Coro::current == $Coro::main;
		3736
		3737	my $signal = new Coro::Signal;
		3738	push @WAIT_FOR_TICK, $signal;
		3739	$signal->wait;
		3740	}
		3741
		3742	sub wait_for_tick_begin {
		3743	return if tick_inhibit || $Coro::current == $Coro::main;
		3744
		3745	my $signal = new Coro::Signal;
		3746	push @WAIT_FOR_TICK_BEGIN, $signal;
		3747	$signal->wait;
		3748	}
		3749
		3750	sub tick {
		3751	if ($Coro::current != $Coro::main) {
		3752	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3753	unless ++$bug_warning > 10;
		3754	return;
		3755	}
		3756
2404	cf::server_tick; # one server iteration	3757	cf::server_tick; # one server iteration
2405	$RUNTIME += $TICK;
2406	$NEXT_TICK += $TICK;
2407		3758
2408	$WAIT_FOR_TICK->broadcast;	3759	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2409	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3760	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2410		3761	Coro::async_pool {
2411	# if we are delayed by four ticks or more, skip them all	3762	$Coro::current->{desc} = "runtime saver";
2412	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2413
2414	$TICK_WATCHER->at ($NEXT_TICK);
2415	$TICK_WATCHER->start;
2416	},
2417	);
2418
2419	IO::AIO::max_poll_time $TICK * 0.2;
2420
2421	Event->io (
2422	fd => IO::AIO::poll_fileno,
2423	poll => 'r',
2424	prio => 5,
2425	data => WF_AUTOCANCEL,
2426	cb => \&IO::AIO::poll_cb,
2427	);
2428
2429	Event->timer (
2430	data => WF_AUTOCANCEL,
2431	after => 0,
2432	interval => 10,
2433	cb => sub {
2434	(Coro::unblock_sub {
2435	write_runtime	3763	write_runtime_sync
2436	or warn "ERROR: unable to write runtime file: $!";	3764	or warn "ERROR: unable to write runtime file: $!";
2437	})->();	3765	};
2438	},	3766	}
2439	);	3767
		3768	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3769	$sig->send;
		3770	}
		3771	while (my $sig = shift @WAIT_FOR_TICK) {
		3772	$sig->send;
		3773	}
		3774
		3775	$LOAD = ($NOW - $TICK_START) / $TICK;
		3776	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3777
		3778	if (0) {
		3779	if ($NEXT_TICK) {
		3780	my $jitter = $TICK_START - $NEXT_TICK;
		3781	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3782	warn "jitter $JITTER\n";#d#
		3783	}
		3784	}
		3785	}
		3786
		3787	{
		3788	# configure BDB
		3789
		3790	BDB::min_parallel 8;
		3791	BDB::max_poll_reqs $TICK * 0.1;
		3792	$Coro::BDB::WATCHER->priority (1);
		3793
		3794	unless ($DB_ENV) {
		3795	$DB_ENV = BDB::db_env_create;
		3796	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3797	| BDB::LOG_AUTOREMOVE, 1);
		3798	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3799	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3800
		3801	cf::sync_job {
		3802	eval {
		3803	BDB::db_env_open
		3804	$DB_ENV,
		3805	$BDBDIR,
		3806	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3807	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3808	0666;
		3809
		3810	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3811	};
		3812
		3813	cf::cleanup "db_env_open(db): $@" if $@;
		3814	};
		3815	}
		3816
		3817	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3818	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3819	};
		3820	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3821	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3822	};
		3823	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3824	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3825	};
		3826	}
		3827
		3828	{
		3829	# configure IO::AIO
		3830
		3831	IO::AIO::min_parallel 8;
		3832	IO::AIO::max_poll_time $TICK * 0.1;
		3833	$Coro::AIO::WATCHER->priority (1);
		3834	}
		3835
		3836	my $_log_backtrace;
		3837
		3838	sub _log_backtrace {
		3839	my ($msg, @addr) = @_;
		3840
		3841	$msg =~ s/\n//;
		3842
		3843	# limit the # of concurrent backtraces
		3844	if ($_log_backtrace < 2) {
		3845	++$_log_backtrace;
		3846	async {
		3847	$Coro::current->{desc} = "abt $msg";
		3848
		3849	my @bt = fork_call {
		3850	@addr = map { sprintf "%x", $_ } @addr;
		3851	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3852	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3853	or die "addr2line: $!";
		3854
		3855	my @funcs;
		3856	my @res = <$fh>;
		3857	chomp for @res;
		3858	while (@res) {
		3859	my ($func, $line) = splice @res, 0, 2, ();
		3860	push @funcs, "[$func] $line";
		3861	}
		3862
		3863	@funcs
		3864	};
		3865
		3866	LOG llevInfo, "[ABT] $msg\n";
		3867	LOG llevInfo, "[ABT] $_\n" for @bt;
		3868	--$_log_backtrace;
		3869	};
		3870	} else {
		3871	LOG llevInfo, "[ABT] $msg\n";
		3872	LOG llevInfo, "[ABT] [suppressed]\n";
		3873	}
		3874	}
		3875
		3876	# load additional modules
		3877	use cf::pod;
2440		3878
2441	END { cf::emergency_save }	3879	END { cf::emergency_save }
2442		3880
2443	1	3881	1
2444		3882

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