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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.168 by root, Sun Jan 14 00:37:14 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;
48	our $TICK_WATCHER;	82	our $DATADIR = datadir;
		83	our $LIBDIR = "$DATADIR/ext";
		84	our $PODDIR = "$DATADIR/pod";
		85	our $MAPDIR = "$DATADIR/" . mapdir;
		86	our $LOCALDIR = localdir;
		87	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		90	our $RANDOMDIR = "$LOCALDIR/random";
		91	our $BDBDIR = "$LOCALDIR/db";
		92	our %RESOURCE;
		93
		94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
49	our $AIO_POLL_WATCHER;	95	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	97	our $NEXT_TICK;
52	our $NOW;	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
		99
		100	our $BDB_POLL_WATCHER;
		101	our $BDB_DEADLOCK_WATCHER;
		102	our $BDB_CHECKPOINT_WATCHER;
		103	our $BDB_TRICKLE_WATCHER;
		104	our $DB_ENV;
53		105
54	our %CFG;	106	our %CFG;
55		107
56	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
58		111
59	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	114	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		115
67	# used to convert map paths into valid unix filenames by replacing / by ∕	116	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		118
		119	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		120	our $LOADAVG; # same thing, but with alpha-smoothing
		121	our $JITTER; # average jitter
		122	our $TICK_START; # for load detecting purposes
		123
70	binmode STDOUT;	124	binmode STDOUT;
71	binmode STDERR;	125	binmode STDERR;
72		126
73	# read virtual server time, if available	127	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	128	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	129	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	130	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	131	$RUNTIME = <$fh> + 0.;
78	}	132	}
79		133
80	mkdir cf::localdir;	134	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		136
86	our $EMERGENCY_POSITION;	137	our $EMERGENCY_POSITION;
		138
		139	sub cf::map::normalise;
87		140
88	#############################################################################	141	#############################################################################
89		142
90	=head2 GLOBAL VARIABLES	143	=head2 GLOBAL VARIABLES
91		144
…		…
98	=item $cf::RUNTIME	151	=item $cf::RUNTIME
99		152
100	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
101	every server tick.	154	every server tick.
102		155
103	=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
104		159
105	The perl library directory, where extensions and cf-specific modules can	160	Various directories - "/etc", read-only install directory, perl-library
106	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.
107		164
108	=item $cf::NOW	165	=item $cf::NOW
109		166
110	The time of the last (current) server tick.	167	The time of the last (current) server tick.
111		168
112	=item $cf::TICK	169	=item $cf::TICK
113		170
114	The interval between server ticks, in seconds.	171	The interval between server ticks, in seconds.
115		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
116	=item %cf::CFG	183	=item %cf::CFG
117		184
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119	from wherever your confdir points to.	186	from wherever your confdir points to.
120		187
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		189
123	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
124	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
125	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.
126	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.
127		199
128	=back	200	=back
129		201
130	=cut	202	=cut
131		203
132	BEGIN {	204	BEGIN {
133	*CORE::GLOBAL::warn = sub {	205	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	206	my $msg = join "", @_;
135	utf8::encode $msg;
136		207
137	$msg .= "\n"	208	$msg .= "\n"
138	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
139		210
		211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		212
140	LOG llevError, $msg;	213	LOG llevError, $msg;
141	};	214	};
142	}	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#?
143		231
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@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';
149	@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)
150		239
151	# 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
152	# within the Safe compartment.	241	# within the Safe compartment.
153	for my $pkg (qw(	242	for my $pkg (qw(
154	cf::global cf::attachable	243	cf::global cf::attachable
…		…
159	)) {	248	)) {
160	no strict 'refs';	249	no strict 'refs';
161	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162	}	251	}
163		252
164	$Event::DIED = sub {	253	$EV::DIED = sub {
165	warn "error in event callback: @_";	254	warn "error in event callback: @_";
166	};	255	};
		256
		257	#############################################################################
167		258
168	=head2 UTILITY FUNCTIONS	259	=head2 UTILITY FUNCTIONS
169		260
170	=over 4	261	=over 4
171		262
…		…
190	$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;
191	$d	282	$d
192	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
193	}	284	}
194		285
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
198		287
199	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
200		289
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
209		291
210	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
211		293
212	=cut	294	=cut
213		295
214	sub to_json($) {	296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	297
216	JSON::Syck::Dump $_[0]	298	sub encode_json($) { $json_coder->encode ($_[0]) }
217	}	299	sub decode_json($) { $json_coder->decode ($_[0]) }
218		300
219	=item cf::lock_wait $string	301	=item cf::lock_wait $string
220		302
221	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
222		304
…		…
225	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
226	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,
227	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
228	returned.	310	returned.
229		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
230	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
231	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
232		317
		318	=item $locked = cf::lock_active $string
		319
		320	Return true if the lock is currently active, i.e. somebody has locked it.
		321
233	=cut	322	=cut
234		323
235	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
236		326
237	sub lock_wait($) {	327	sub lock_wait($) {
238	my ($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#
239		334
240	# wait for lock, if any	335	# wait for lock, if any
241	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;	338	Coro::schedule;
…		…
249		344
250	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
251	lock_wait $key;	346	lock_wait $key;
252		347
253	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
254		350
255	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
256	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
258	}	355	}
259	}	356	}
260		357
		358	sub lock_active($) {
		359	my ($key) = @_;
		360
		361	! ! $LOCK{$key}
		362	}
		363
261	sub freeze_mainloop {	364	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
263		366
264	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
265	$TICK_WATCHER->start;	368	}
266	$WRITE_RUNTIME_WATCHER->start;	369
		370	=item cf::periodic $interval, $cb
		371
		372	Like EV::periodic, but randomly selects a starting point so that the actions
		373	get spread over timer.
		374
		375	=cut
		376
		377	sub periodic($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
		383	}
		384
		385	=item cf::get_slot $time[, $priority[, $name]]
		386
		387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		388	This call blocks and returns only when you have at least C<$time> seconds
		389	of cpu time till the next tick. The slot is only valid till the next cede.
		390
		391	The optional C<$name> can be used to identify the job to run. It might be
		392	used for statistical purposes and should identify the same time-class.
		393
		394	Useful for short background jobs.
		395
		396	=cut
		397
		398	our @SLOT_QUEUE;
		399	our $SLOT_QUEUE;
		400
		401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
		405	my $signal = new Coro::Signal;
		406
		407	while () {
		408	next_job:
		409	my $avail = cf::till_tick;
		410	if ($avail > 0.01) {
		411	for (0 .. $#SLOT_QUEUE) {
		412	if ($SLOT_QUEUE[$_][0] < $avail) {
		413	my $job = splice @SLOT_QUEUE, $_, 1, ();
		414	$job->[2]->send;
		415	Coro::cede;
		416	goto next_job;
		417	}
		418	}
		419	}
		420
		421	if (@SLOT_QUEUE) {
		422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		423	push @cf::WAIT_FOR_TICK, $signal;
		424	$signal->wait;
		425	} else {
		426	Coro::schedule;
		427	}
267	};	428	}
268	$WRITE_RUNTIME_WATCHER->stop;	429	};
269	$TICK_WATCHER->stop;	430
270	$guard	431	sub get_slot($;$$) {
		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	$sig->wait;
271	}	443	}
272		444
273	=item cf::async { BLOCK }	445	=item cf::async { BLOCK }
274		446
275	Currently the same as Coro::async_pool, meaning you cannot use	447	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		452
281	BEGIN { *async = \&Coro::async_pool }	453	BEGIN { *async = \&Coro::async_pool }
282		454
283	=item cf::sync_job { BLOCK }	455	=item cf::sync_job { BLOCK }
284		456
285	The design of crossfire+ requires that the main coro ($Coro::main) is	457	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	458	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	459	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		460	acceptable.
288		461
289	If it must be done, put the blocking parts into C<sync_job>. This will run	462	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	463	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	464	server will be frozen during this time, so the block should either finish
292	fast or be very important.	465	fast or be very important.
…		…
295		468
296	sub sync_job(&) {	469	sub sync_job(&) {
297	my ($job) = @_;	470	my ($job) = @_;
298		471
299	if ($Coro::current == $Coro::main) {	472	if ($Coro::current == $Coro::main) {
		473	my $time = EV::time;
		474
300	# this is the main coro, too bad, we have to block	475	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	476	# till the operation succeeds, freezing the server :/
302		477
303	# TODO: use suspend/resume instead	478	LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	479
305	my $freeze_guard = freeze_mainloop;	480	my $freeze_guard = freeze_mainloop;
306		481
307	my $busy = 1;	482	my $busy = 1;
308	my @res;	483	my @res;
309		484
310	(async {	485	(async {
		486	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	487	@res = eval { $job->() };
312	warn $@ if $@;	488	warn $@ if $@;
313	undef $busy;	489	undef $busy;
314	})->prio (Coro::PRIO_MAX);	490	})->prio (Coro::PRIO_MAX);
315		491
316	while ($busy) {	492	while ($busy) {
317	Coro::cede or Event::one_event;	493	if (Coro::nready) {
		494	Coro::cede_notself;
		495	} else {
		496	EV::loop EV::LOOP_ONESHOT;
318	}	497	}
		498	}
		499
		500	my $time = EV::time - $time;
		501
		502	$TICK_START += $time; # do not account sync jobs to server load
319		503
320	wantarray ? @res : $res[0]	504	wantarray ? @res : $res[0]
321	} else {	505	} else {
322	# we are in another coroutine, how wonderful, everything just works	506	# we are in another coroutine, how wonderful, everything just works
323		507
…		…
343	$EXT_CORO{$coro+0} = $coro;	527	$EXT_CORO{$coro+0} = $coro;
344		528
345	$coro	529	$coro
346	}	530	}
347		531
348	sub write_runtime {	532	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		533
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	534	Executes the given code block with the given arguments in a seperate
352	or return;	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.
353		538
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	539	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		540
358	aio_fsync $fh	541	sub fork_call(&@) {
359	and return;	542	my ($cb, @args) = @_;
360		543
361	close $fh	544	# we seemingly have to make a local copy of the whole thing,
362	or return;	545	# otherwise perl prematurely frees the stuff :/
		546	# TODO: investigate and fix (likely this will be rather laborious)
363		547
364	aio_rename "$runtime~", $runtime	548	my @res = Coro::Util::fork_eval {
365	and return;	549	reset_signals;
		550	&$cb
		551	}, @args;
366		552
		553	wantarray ? @res : $res[-1]
		554	}
		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($$) {
		625	my $key = "$_[0]/$_[1]";
		626
		627	cf::sync_job {
		628	BDB::db_get $DB, undef, $key, my $data;
		629
		630	$! ? ()
		631	: $data
367	1	632	}
		633	}
		634
		635	sub db_put($$$) {
		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 });
368	}	719	}
369		720
370	=back	721	=back
371		722
372	=cut	723	=cut
…		…
379	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")
380	to it. All such attachable objects support the following methods.	731	to it. All such attachable objects support the following methods.
381		732
382	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>
383	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
384	crossfire+).	735	Deliantra).
385		736
386	=over 4	737	=over 4
387		738
388	=item $attachable->attach ($attachment, key => $value...)	739	=item $attachable->attach ($attachment, key => $value...)
389		740
…		…
503	our @CB_TYPE = (); # registry for type (cf-object class) based events	854	our @CB_TYPE = (); # registry for type (cf-object class) based events
504	our @CB_MAP = ();	855	our @CB_MAP = ();
505		856
506	my %attachment;	857	my %attachment;
507		858
		859	sub cf::attachable::thawer_merge {
		860	# simply override everything except _meta
		861	local $_[0]{_meta};
		862	%{$_[0]} = %{$_[1]};
		863	}
		864
508	sub _attach_cb($$$$) {	865	sub _attach_cb($$$$) {
509	my ($registry, $event, $prio, $cb) = @_;	866	my ($registry, $event, $prio, $cb) = @_;
510		867
511	use sort 'stable';	868	use sort 'stable';
512		869
…		…
546	$registry = $CB_TYPE[$object_type] ||= [];	903	$registry = $CB_TYPE[$object_type] ||= [];
547		904
548	} elsif ($type eq "subtype") {	905	} elsif ($type eq "subtype") {
549	defined $object_type or Carp::croak "subtype specified without type";	906	defined $object_type or Carp::croak "subtype specified without type";
550	my $object_subtype = shift @arg;	907	my $object_subtype = shift @arg;
551	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	908	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
552		909
553	} elsif ($type eq "package") {	910	} elsif ($type eq "package") {
554	my $pkg = shift @arg;	911	my $pkg = shift @arg;
555		912
556	while (my ($name, $id) = each %cb_id) {	913	while (my ($name, $id) = each %cb_id) {
…		…
585	_attach $registry, $klass, @attach;	942	_attach $registry, $klass, @attach;
586	}	943	}
587		944
588	$obj->{$name} = \%arg;	945	$obj->{$name} = \%arg;
589	} else {	946	} else {
590	warn "object uses attachment '$name' that is not available, postponing.\n";	947	warn "object uses attachment '$name' which is not available, postponing.\n";
591	}	948	}
592		949
593	$obj->{_attachment}{$name} = undef;	950	$obj->{_attachment}{$name} = undef;
594	}	951	}
595		952
…		…
597	if (ref $_[0]) {	954	if (ref $_[0]) {
598	_object_attach @_;	955	_object_attach @_;
599	} else {	956	} else {
600	_attach shift->_attach_registry, @_;	957	_attach shift->_attach_registry, @_;
601	}	958	}
		959	_recalc_want;
602	};	960	};
603		961
604	# all those should be optimised	962	# all those should be optimised
605	sub cf::attachable::detach {	963	sub cf::attachable::detach {
606	my ($obj, $name) = @_;	964	my ($obj, $name) = @_;
…		…
609	delete $obj->{_attachment}{$name};	967	delete $obj->{_attachment}{$name};
610	reattach ($obj);	968	reattach ($obj);
611	} else {	969	} else {
612	Carp::croak "cannot, currently, detach class attachments";	970	Carp::croak "cannot, currently, detach class attachments";
613	}	971	}
		972	_recalc_want;
614	};	973	};
615		974
616	sub cf::attachable::attached {	975	sub cf::attachable::attached {
617	my ($obj, $name) = @_;	976	my ($obj, $name) = @_;
618		977
…		…
633	";	992	";
634	die if $@;	993	die if $@;
635	}	994	}
636		995
637	our $override;	996	our $override;
638	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?
639		998
640	sub override {	999	sub override {
641	$override = 1;	1000	$override = 1;
642	@invoke_results = ();	1001	@INVOKE_RESULTS = (@_);
643	}	1002	}
644		1003
645	sub do_invoke {	1004	sub do_invoke {
646	my $event = shift;	1005	my $event = shift;
647	my $callbacks = shift;	1006	my $callbacks = shift;
648		1007
649	@invoke_results = ();	1008	@INVOKE_RESULTS = ();
650		1009
651	local $override;	1010	local $override;
652		1011
653	for (@$callbacks) {	1012	for (@$callbacks) {
654	eval { &{$_->[1]} };	1013	eval { &{$_->[1]} };
…		…
663	}	1022	}
664		1023
665	0	1024	0
666	}	1025	}
667		1026
668	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
669		1028
670	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1029	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
671		1030
672	Generate an object-specific event with the given arguments.	1031	Generate an object-specific event with the given arguments.
673		1032
674	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
675	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
676	results (if you must, access C<@cf::invoke_results> directly).	1035	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
677		1036
678	=back	1037	=back
679		1038
680	=cut	1039	=cut
681		1040
682	#############################################################################	1041	#############################################################################
683	# 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	}
684		1085
685	sub reattach {	1086	sub reattach {
686	# basically do the same as instantiate, without calling instantiate	1087	# basically do the same as instantiate, without calling instantiate
687	my ($obj) = @_;	1088	my ($obj) = @_;
		1089
		1090	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
688		1091
689	my $registry = $obj->registry;	1092	my $registry = $obj->registry;
690		1093
691	@$registry = ();	1094	@$registry = ();
692		1095
…		…
707	cf::attachable->attach (	1110	cf::attachable->attach (
708	prio => -1000000,	1111	prio => -1000000,
709	on_instantiate => sub {	1112	on_instantiate => sub {
710	my ($obj, $data) = @_;	1113	my ($obj, $data) = @_;
711		1114
712	$data = from_json $data;	1115	$data = decode_json $data;
713		1116
714	for (@$data) {	1117	for (@$data) {
715	my ($name, $args) = @$_;	1118	my ($name, $args) = @$_;
716		1119
717	$obj->attach ($name, %{$args || {} });	1120	$obj->attach ($name, %{$args || {} });
…		…
733	sub object_freezer_save {	1136	sub object_freezer_save {
734	my ($filename, $rdata, $objs) = @_;	1137	my ($filename, $rdata, $objs) = @_;
735		1138
736	sync_job {	1139	sync_job {
737	if (length $$rdata) {	1140	if (length $$rdata) {
		1141	utf8::decode (my $decname = $filename);
738	warn sprintf "saving %s (%d,%d)\n",	1142	warn sprintf "saving %s (%d,%d)\n",
739	$filename, length $$rdata, scalar @$objs;	1143	$decname, length $$rdata, scalar @$objs;
740		1144
741	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1145	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
742	chmod SAVE_MODE, $fh;	1146	aio_chmod $fh, SAVE_MODE;
743	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1147	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
744	aio_fsync $fh;	1148	aio_fsync $fh if $cf::USE_FSYNC;
745	close $fh;	1149	aio_close $fh;
746		1150
747	if (@$objs) {	1151	if (@$objs) {
748	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) {
749	chmod SAVE_MODE, $fh;	1153	aio_chmod $fh, SAVE_MODE;
750	my $data = Storable::nfreeze { version => 1, objs => $objs };	1154	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
751	aio_write $fh, 0, (length $data), $data, 0;	1155	aio_write $fh, 0, (length $data), $data, 0;
752	aio_fsync $fh;	1156	aio_fsync $fh if $cf::USE_FSYNC;
753	close $fh;	1157	aio_close $fh;
754	aio_rename "$filename.pst~", "$filename.pst";	1158	aio_rename "$filename.pst~", "$filename.pst";
755	}	1159	}
756	} else {	1160	} else {
757	aio_unlink "$filename.pst";	1161	aio_unlink "$filename.pst";
758	}	1162	}
…		…
763	}	1167	}
764	} else {	1168	} else {
765	aio_unlink $filename;	1169	aio_unlink $filename;
766	aio_unlink "$filename.pst";	1170	aio_unlink "$filename.pst";
767	}	1171	}
768	}	1172	};
769	}	1173	}
770		1174
771	sub object_freezer_as_string {	1175	sub object_freezer_as_string {
772	my ($rdata, $objs) = @_;	1176	my ($rdata, $objs) = @_;
773		1177
…		…
785	or return;	1189	or return;
786		1190
787	unless (aio_stat "$filename.pst") {	1191	unless (aio_stat "$filename.pst") {
788	(aio_load "$filename.pst", $av) >= 0	1192	(aio_load "$filename.pst", $av) >= 0
789	or return;	1193	or return;
		1194
790	$av = eval { (Storable::thaw $av)->{objs} };	1195	my $st = eval { Coro::Storable::thaw $av };
		1196	$av = $st->{objs};
791	}	1197	}
792		1198
		1199	utf8::decode (my $decname = $filename);
793	warn sprintf "loading %s (%d)\n",	1200	warn sprintf "loading %s (%d,%d)\n",
794	$filename, length $data, scalar @{$av || []};#d#	1201	$decname, length $data, scalar @{$av || []};
		1202
795	return ($data, $av);	1203	($data, $av)
796	}	1204	}
		1205
		1206	=head2 COMMAND CALLBACKS
		1207
		1208	=over 4
		1209
		1210	=cut
797		1211
798	#############################################################################	1212	#############################################################################
799	# command handling &c	1213	# command handling &c
800		1214
801	=item cf::register_command $name => \&callback($ob,$args);	1215	=item cf::register_command $name => \&callback($ob,$args);
…		…
814	push @{ $COMMAND{$name} }, [$caller, $cb];	1228	push @{ $COMMAND{$name} }, [$caller, $cb];
815	}	1229	}
816		1230
817	=item cf::register_extcmd $name => \&callback($pl,$packet);	1231	=item cf::register_extcmd $name => \&callback($pl,$packet);
818		1232
819	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.
820		1238
821	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
822	called.	1240	called.
823		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
824	=cut	1253	=cut
825		1254
826	sub register_extcmd {	1255	sub register_extcmd {
827	my ($name, $cb) = @_;	1256	my ($name, $cb) = @_;
828		1257
829	$EXTCMD{$name} = $cb;	1258	$EXTCMD{$name} = $cb;
		1259	}
		1260
		1261	sub register_exticmd {
		1262	my ($name, $cb) = @_;
		1263
		1264	$EXTICMD{$name} = $cb;
830	}	1265	}
831		1266
832	cf::player->attach (	1267	cf::player->attach (
833	on_command => sub {	1268	on_command => sub {
834	my ($pl, $name, $params) = @_;	1269	my ($pl, $name, $params) = @_;
…		…
843	cf::override;	1278	cf::override;
844	},	1279	},
845	on_extcmd => sub {	1280	on_extcmd => sub {
846	my ($pl, $buf) = @_;	1281	my ($pl, $buf) = @_;
847		1282
848	my $msg = eval { from_json $buf };	1283	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
849		1284
850	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
851	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1293	if (my $cb = $EXTCMD{$type}) {
852	if (my %reply = $cb->($pl, $msg)) {	1294	@reply = $cb->($pl, @payload);
853	$pl->ext_reply ($msg->{msgid}, %reply);
854	}
855	}	1295	}
		1296
		1297	$pl->ext_reply ($reply, @reply)
		1298	if $reply;
		1299
856	} else {	1300	} else {
857	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1301	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
858	}	1302	}
859		1303
860	cf::override;	1304	cf::override;
861	},	1305	},
862	);	1306	);
863		1307
864	sub load_extension {
865	my ($path) = @_;
866
867	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
868	my $base = $1;
869	my $pkg = $1;
870	$pkg =~ s/[^[:word:]]/_/g;
871	$pkg = "ext::$pkg";
872
873	warn "... loading '$path' into '$pkg'\n";
874
875	open my $fh, "<:utf8", $path
876	or die "$path: $!";
877
878	my $source =
879	"package $pkg; use strict; use utf8;\n"
880	. "#line 1 \"$path\"\n{\n"
881	. (do { local $/; <$fh> })
882	. "\n};\n1";
883
884	unless (eval $source) {
885	my $msg = $@ ? "$path: $@\n"
886	: "extension disabled.\n";
887	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
888	warn $@;
889	warn "mandatory extension failed to load, exiting.\n";
890	exit 1;
891	}
892	die $@;
893	}
894
895	push @EXTS, $pkg;
896	}
897
898	sub load_extensions {	1308	sub load_extensions {
		1309	cf::sync_job {
		1310	my %todo;
		1311
899	for my $ext (<$LIBDIR/*.ext>) {	1312	for my $path (<$LIBDIR/*.ext>) {
900	next unless -r $ext;	1313	next unless -r $path;
901	eval {	1314
902	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;
903	1	1371	}
904	} or warn "$ext not loaded: $@";	1372
		1373	skip:
		1374	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1375	unless $progress;
		1376	}
905	}	1377	};
906	}	1378	}
907		1379
908	#############################################################################	1380	#############################################################################
909		1381
		1382	=back
		1383
910	=head2 CORE EXTENSIONS	1384	=head2 CORE EXTENSIONS
911		1385
912	Functions and methods that extend core crossfire objects.	1386	Functions and methods that extend core crossfire objects.
913		1387
914	=cut	1388	=cut
…		…
919		1393
920	=head3 cf::player	1394	=head3 cf::player
921		1395
922	=over 4	1396	=over 4
923		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
924	=item cf::player::find $login	1412	=item cf::player::find $login
925		1413
926	Returns the given player object, loading it if necessary (might block).	1414	Returns the given player object, loading it if necessary (might block).
927		1415
928	=cut	1416	=cut
929		1417
930	sub playerdir($) {	1418	sub playerdir($) {
931	cf::localdir	1419	"$PLAYERDIR/"
932	. "/"
933	. cf::playerdir
934	. "/"
935	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1420	. (ref $_[0] ? $_[0]->ob->name : $_[0])
936	}	1421	}
937		1422
938	sub path($) {	1423	sub path($) {
939	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1424	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
940		1425
941	(playerdir $login) . "/$login.pl"	1426	(playerdir $login) . "/playerdata"
942	}	1427	}
943		1428
944	sub find_active($) {	1429	sub find_active($) {
945	$cf::PLAYER{$_[0]}	1430	$cf::PLAYER{$_[0]}
946	and $cf::PLAYER{$_[0]}->active	1431	and $cf::PLAYER{$_[0]}->active
…		…
949		1434
950	sub exists($) {	1435	sub exists($) {
951	my ($login) = @_;	1436	my ($login) = @_;
952		1437
953	$cf::PLAYER{$login}	1438	$cf::PLAYER{$login}
954	or cf::sync_job { !aio_stat $login }	1439	or cf::sync_job { !aio_stat path $login }
955	}	1440	}
956		1441
957	sub find($) {	1442	sub find($) {
958	return $cf::PLAYER{$_[0]} || do {	1443	return $cf::PLAYER{$_[0]} || do {
959	my $login = $_[0];	1444	my $login = $_[0];
960		1445
961	my $guard = cf::lock_acquire "user_find:$login";	1446	my $guard = cf::lock_acquire "user_find:$login";
962		1447
963	$cf::PLAYER{$_[0]} || do {	1448	$cf::PLAYER{$_[0]} || do {
964	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
965	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;
966	$cf::PLAYER{$login} = $pl	1464	$cf::PLAYER{$login} = $pl
967	}	1465	}
968	}	1466	}
969	}	1467	}
970		1468
…		…
979	return if $pl->{deny_save};	1477	return if $pl->{deny_save};
980		1478
981	aio_mkdir playerdir $pl, 0770;	1479	aio_mkdir playerdir $pl, 0770;
982	$pl->{last_save} = $cf::RUNTIME;	1480	$pl->{last_save} = $cf::RUNTIME;
983		1481
		1482	cf::get_slot 0.01;
		1483
984	$pl->save_pl ($path);	1484	$pl->save_pl ($path);
985	Coro::cede;	1485	cf::cede_to_tick;
986	}	1486	}
987		1487
988	sub new($) {	1488	sub new($) {
989	my ($login) = @_;	1489	my ($login) = @_;
990		1490
…		…
996	$cf::PLAYER{$login} = $self;	1496	$cf::PLAYER{$login} = $self;
997		1497
998	$self	1498	$self
999	}	1499	}
1000		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
1001	=item $pl->quit_character	1511	=item $pl->quit_character
1002		1512
1003	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
1004	be destroyed. May block for a long time.	1514	be destroyed. May block for a long time.
1005		1515
1006	=cut	1516	=cut
1007		1517
1008	sub quit_character {	1518	sub quit_character {
1009	my ($pl) = @_;	1519	my ($pl) = @_;
1010		1520
		1521	my $name = $pl->ob->name;
		1522
1011	$pl->{deny_save} = 1;	1523	$pl->{deny_save} = 1;
1012	$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
1013		1525
1014	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1526	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1015	$pl->deactivate;	1527	$pl->deactivate;
		1528	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1529	$pl->ob->check_score;
1016	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1530	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1017	$pl->ns->destroy if $pl->ns;	1531	$pl->ns->destroy if $pl->ns;
1018		1532
1019	my $path = playerdir $pl;	1533	my $path = playerdir $pl;
1020	my $temp = "$path~$cf::RUNTIME~deleting~";	1534	my $temp = "$path~$cf::RUNTIME~deleting~";
1021	aio_rename $path, $temp;	1535	aio_rename $path, $temp;
1022	delete $cf::PLAYER{$pl->ob->name};	1536	delete $cf::PLAYER{$pl->ob->name};
1023	$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
1024	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;
1025	}	1559	}
1026		1560
1027	=item cf::player::list_logins	1561	=item cf::player::list_logins
1028		1562
1029	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
1030	while and may block, so not sync_job-capable, ever.	1564	while and may block, so not sync_job-capable, ever.
1031		1565
1032	=cut	1566	=cut
1033		1567
1034	sub list_logins {	1568	sub list_logins {
1035	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1569	my $dirs = aio_readdir $PLAYERDIR
1036	or return [];	1570	or return [];
1037		1571
1038	my @logins;	1572	my @logins;
1039		1573
1040	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") {
1041	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1580	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1042	aio_read $fh, 0, 512, my $buf, 0 or next;	1581	aio_read $fh, 0, 512, my $buf, 0 or next;
1043	$buf !~ /^password -------------$/m or next; # official not-valid tag	1582	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1583	}
1044		1584
1045	utf8::decode $login;	1585	utf8::decode $login;
1046	push @logins, $login;	1586	push @logins, $login;
1047	}	1587	}
1048		1588
…		…
1056		1596
1057	=cut	1597	=cut
1058		1598
1059	sub maps($) {	1599	sub maps($) {
1060	my ($pl) = @_;	1600	my ($pl) = @_;
		1601
		1602	$pl = ref $pl ? $pl->ob->name : $pl;
1061		1603
1062	my $files = aio_readdir playerdir $pl	1604	my $files = aio_readdir playerdir $pl
1063	or return;	1605	or return;
1064		1606
1065	my @paths;	1607	my @paths;
…		…
1067	for (@$files) {	1609	for (@$files) {
1068	utf8::decode $_;	1610	utf8::decode $_;
1069	next if /\.(?:pl|pst)$/;	1611	next if /\.(?:pl|pst)$/;
1070	next unless /^$PATH_SEP/o;	1612	next unless /^$PATH_SEP/o;
1071		1613
1072	s/\.map$//;	1614	push @paths, cf::map::normalise "~$pl/$_";
1073	push @paths, "~" . $pl->ob->name . "/" . $_;
1074	}	1615	}
1075		1616
1076	\@paths	1617	\@paths
1077	}	1618	}
1078		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
1079	=item $player->ext_reply ($msgid, $msgtype, %msg)	1713	=item $player->ext_reply ($msgid, @msg)
1080		1714
1081	Sends an ext reply to the player.	1715	Sends an ext reply to the player.
1082		1716
1083	=cut	1717	=cut
1084		1718
1085	sub ext_reply($$$%) {	1719	sub ext_reply($$@) {
1086	my ($self, $id, %msg) = @_;	1720	my ($self, $id, @msg) = @_;
1087		1721
1088	$msg{msgid} = $id;	1722	$self->ns->ext_reply ($id, @msg)
1089
1090	$self->send ("ext " . cf::to_json \%msg);
1091	}	1723	}
1092		1724
1093	package cf;	1725	=item $player->ext_msg ($type, @msg)
		1726
		1727	Sends an ext event to the client.
		1728
		1729	=cut
		1730
		1731	sub ext_msg($$@) {
		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	}
1094		1765
1095	=back	1766	=back
1096
1097		1767
1098	=head3 cf::map	1768	=head3 cf::map
1099		1769
1100	=over 4	1770	=over 4
1101		1771
…		…
1105		1775
1106	use Fcntl;	1776	use Fcntl;
1107	use Coro::AIO;	1777	use Coro::AIO;
1108		1778
1109	use overload	1779	use overload
1110	'""' => \&as_string;	1780	'""' => \&as_string,
		1781	fallback => 1;
1111		1782
1112	our $MAX_RESET = 3600;	1783	our $MAX_RESET = 3600;
1113	our $DEFAULT_RESET = 3000;	1784	our $DEFAULT_RESET = 3000;
1114		1785
1115	sub generate_random_map {	1786	sub generate_random_map {
1116	my ($self, $rmp) = @_;	1787	my ($self, $rmp) = @_;
		1788
		1789	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1117		1790
1118	# mit "rum" bekleckern, nicht	1791	# mit "rum" bekleckern, nicht
1119	$self->_create_random_map (	1792	$self->_create_random_map (
1120	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1793	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1121	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1794	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
…		…
1129	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1802	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1130	(cf::region::find $rmp->{region}), $rmp->{custom}	1803	(cf::region::find $rmp->{region}), $rmp->{custom}
1131	)	1804	)
1132	}	1805	}
1133		1806
		1807	=item cf::map->register ($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
1134	sub register {	1815	sub register {
1135	my (undef, $regex) = @_;	1816	my (undef, $regex, $prio) = @_;
1136	my $pkg = caller;	1817	my $pkg = caller;
1137		1818
1138	no strict;	1819	no strict;
1139	push @{"$pkg\::ISA"}, __PACKAGE__;	1820	push @{"$pkg\::ISA"}, __PACKAGE__;
1140		1821
1141	$EXT_MAP{$pkg} = qr<$regex>;	1822	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1142	}	1823	}
1143		1824
1144	# also paths starting with '/'	1825	# also paths starting with '/'
1145	$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	}
1146		1837
1147	sub normalise {	1838	sub normalise {
1148	my ($path, $base) = @_;	1839	my ($path, $base) = @_;
		1840
		1841	$path = "$path"; # make sure its a string
		1842
		1843	$path =~ s/\.map$//;
1149		1844
1150	# map plan:	1845	# map plan:
1151	#	1846	#
1152	# /! non-realised random map exit (special hack!)	1847	# /! non-realised random map exit (special hack!)
1153	# {... are special paths that are not being touched	1848	# {... are special paths that are not being touched
…		…
1181		1876
1182	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
1183		1878
1184	$path = normalise $path, $base;	1879	$path = normalise $path, $base;
1185		1880
1186	for my $pkg (keys %EXT_MAP) {	1881	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1187	if ($path =~ $EXT_MAP{$pkg}) {	1882	if ($path =~ $EXT_MAP{$pkg}[1]) {
1188	my $self = bless cf::map::new, $pkg;	1883	my $self = bless cf::map::new, $pkg;
1189	$self->{path} = $path; $self->path ($path);	1884	$self->{path} = $path; $self->path ($path);
1190	$self->init; # pass $1 etc.	1885	$self->init; # pass $1 etc.
1191	return $self;	1886	return $self;
1192	}	1887	}
1193	}	1888	}
1194		1889
1195	Carp::carp "unable to resolve path '$path'.";	1890	Carp::cluck "unable to resolve path '$path' (base '$base').";
1196	()	1891	()
1197	}	1892	}
1198		1893
1199	sub init {	1894	sub init {
1200	my ($self) = @_;	1895	my ($self) = @_;
…		…
1215		1910
1216	# the original (read-only) location	1911	# the original (read-only) location
1217	sub load_path {	1912	sub load_path {
1218	my ($self) = @_;	1913	my ($self) = @_;
1219		1914
1220	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1915	"$MAPDIR/$self->{path}.map"
1221	}	1916	}
1222		1917
1223	# the temporary/swap location	1918	# the temporary/swap location
1224	sub save_path {	1919	sub save_path {
1225	my ($self) = @_;	1920	my ($self) = @_;
1226		1921
1227	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1922	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1228	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1923	"$TMPDIR/$path.map"
1229	}	1924	}
1230		1925
1231	# the unique path, undef == no special unique path	1926	# the unique path, undef == no special unique path
1232	sub uniq_path {	1927	sub uniq_path {
1233	my ($self) = @_;	1928	my ($self) = @_;
1234		1929
1235	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1930	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1236	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1931	"$UNIQUEDIR/$path"
1237	}	1932	}
1238		1933
1239	# and all this just because we cannot iterate over	1934	# and all this just because we cannot iterate over
1240	# all maps in C++...	1935	# all maps in C++...
1241	sub change_all_map_light {	1936	sub change_all_map_light {
…		…
1243		1938
1244	$_->change_map_light ($change)	1939	$_->change_map_light ($change)
1245	for grep $_->outdoor, values %cf::MAP;	1940	for grep $_->outdoor, values %cf::MAP;
1246	}	1941	}
1247		1942
		1943	sub decay_objects {
		1944	my ($self) = @_;
		1945
		1946	return if $self->{deny_reset};
		1947
		1948	$self->do_decay_objects;
		1949	}
		1950
1248	sub unlink_save {	1951	sub unlink_save {
1249	my ($self) = @_;	1952	my ($self) = @_;
1250		1953
1251	utf8::encode (my $save = $self->save_path);	1954	utf8::encode (my $save = $self->save_path);
1252	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1955	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1253	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1956	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1254	}	1957	}
1255		1958
1256	sub load_header_from($) {	1959	sub load_header_from($) {
1257	my ($self, $path) = @_;	1960	my ($self, $path) = @_;
1258		1961
1259	utf8::encode $path;	1962	utf8::encode $path;
1260	aio_open $path, O_RDONLY, 0	1963	my $f = new_from_file cf::object::thawer $path
1261	or return;	1964	or return;
1262		1965
1263	$self->_load_header ($path)	1966	$self->_load_header ($f)
1264	or return;	1967	or return;
1265		1968
		1969	local $MAP_LOADING{$self->{path}} = $self;
		1970	$f->resolve_delayed_derefs;
		1971
1266	$self->{load_path} = $path;	1972	$self->{load_path} = $path;
1267		1973
1268	1	1974	1
1269	}	1975	}
1270		1976
1271	sub load_orig {	1977	sub load_header_orig {
1272	my ($self) = @_;	1978	my ($self) = @_;
1273		1979
1274	$self->load_header_from ($self->load_path)	1980	$self->load_header_from ($self->load_path)
1275	}	1981	}
1276		1982
1277	sub load_temp {	1983	sub load_header_temp {
1278	my ($self) = @_;	1984	my ($self) = @_;
1279		1985
1280	$self->load_header_from ($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	$self->instantiate;
1281	}	2006	}
1282		2007
1283	sub load_header {	2008	sub load_header {
1284	my ($self) = @_;	2009	my ($self) = @_;
1285		2010
1286	if ($self->load_temp) {	2011	if ($self->load_header_temp) {
1287	$self->last_access ((delete $self->{last_access})	2012	$self->prepare_temp;
1288	|| $cf::RUNTIME); #d#
1289	# safety
1290	$self->{instantiate_time} = $cf::RUNTIME
1291	if $self->{instantiate_time} > $cf::RUNTIME;
1292	} else {	2013	} else {
1293	$self->load_orig	2014	$self->load_header_orig
1294	or return;	2015	or return;
1295		2016	$self->prepare_orig;
1296	$self->{load_original} = 1;
1297	$self->{instantiate_time} = $cf::RUNTIME;
1298	$self->last_access ($cf::RUNTIME);
1299	$self->instantiate;
1300	}	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 $self->default_region;
1301		2024
1302	1	2025	1
1303	}	2026	}
1304		2027
1305	sub find;	2028	sub find;
1306	sub find {	2029	sub find {
1307	my ($path, $origin) = @_;	2030	my ($path, $origin) = @_;
1308		2031
1309	$path = normalise $path, $origin && $origin->path;	2032	$path = normalise $path, $origin && $origin->path;
1310		2033
		2034	cf::lock_wait "map_data:$path";#d#remove
1311	cf::lock_wait "map_find:$path";	2035	cf::lock_wait "map_find:$path";
1312		2036
1313	$cf::MAP{$path} || do {	2037	$cf::MAP{$path} || do {
		2038	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1314	my $guard = cf::lock_acquire "map_find:$path";	2039	my $guard2 = cf::lock_acquire "map_find:$path";
		2040
1315	my $map = new_from_path cf::map $path	2041	my $map = new_from_path cf::map $path
1316	or return;	2042	or return;
1317		2043
1318	$map->{last_save} = $cf::RUNTIME;	2044	$map->{last_save} = $cf::RUNTIME;
1319		2045
1320	$map->load_header	2046	$map->load_header
1321	or return;	2047	or return;
1322		2048
1323	if ($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;
1324	$map->reset;	2054	$map->reset;
1325	undef $guard;
1326	$map = find $path	2055	return find $path;
1327	or return;
1328	}	2056	}
1329		2057
1330	$cf::MAP{$path} = $map	2058	$cf::MAP{$path} = $map
1331	}	2059	}
1332	}	2060	}
		2061
		2062	sub pre_load { }
		2063	sub post_load { }
1333		2064
1334	sub load {	2065	sub load {
1335	my ($self) = @_;	2066	my ($self) = @_;
1336		2067
		2068	local $self->{deny_reset} = 1; # loading can take a long time
		2069
1337	my $path = $self->{path};	2070	my $path = $self->{path};
		2071
		2072	{
1338	my $guard = cf::lock_acquire "map_load:$path";	2073	my $guard = cf::lock_acquire "map_data:$path";
1339		2074
		2075	return unless $self->valid;
1340	return if $self->in_memory != cf::MAP_SWAPPED;	2076	return unless $self->in_memory == cf::MAP_SWAPPED;
1341		2077
1342	$self->in_memory (cf::MAP_LOADING);	2078	$self->in_memory (cf::MAP_LOADING);
1343		2079
1344	$self->alloc;	2080	$self->alloc;
1345	$self->_load_objects ($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)
1346	or return;	2088	or return;
1347		2089
1348	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2090	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1349	if delete $self->{load_original};	2091	if delete $self->{load_original};
1350		2092
1351	if (my $uniq = $self->uniq_path) {	2093	if (my $uniq = $self->uniq_path) {
1352	utf8::encode $uniq;	2094	utf8::encode $uniq;
1353	if (aio_open $uniq, O_RDONLY, 0) {	2095	unless (aio_stat $uniq) {
		2096	if (my $f = new_from_file cf::object::thawer $uniq) {
1354	$self->clear_unique_items;	2097	$self->clear_unique_items;
1355	$self->_load_objects ($uniq, 0);	2098	$self->_load_objects ($f);
		2099	$f->resolve_delayed_derefs;
		2100	}
1356	}	2101	}
1357	}	2102	}
1358		2103
1359	Coro::cede;	2104	$f->resolve_delayed_derefs;
1360		2105
		2106	cf::cede_to_tick;
1361	# now do the right thing for maps	2107	# now do the right thing for maps
1362	$self->link_multipart_objects;	2108	$self->link_multipart_objects;
1363
1364	unless ($self->{deny_activate}) {
1365	$self->decay_objects;
1366	$self->fix_auto_apply;
1367	$self->update_buttons;
1368	Coro::cede;
1369	$self->set_darkness_map;
1370	$self->difficulty ($self->estimate_difficulty)	2109	$self->difficulty ($self->estimate_difficulty)
1371	unless $self->difficulty;	2110	unless $self->difficulty;
1372	Coro::cede;	2111	cf::cede_to_tick;
		2112
		2113	unless ($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;
1373	$self->activate;	2120	$self->activate;
1374	}	2121	}
1375		2122
		2123	$self->{last_save} = $cf::RUNTIME;
		2124	$self->last_access ($cf::RUNTIME);
		2125
1376	$self->in_memory (cf::MAP_IN_MEMORY);	2126	$self->in_memory (cf::MAP_ACTIVE);
		2127	}
		2128
		2129	$self->post_load;
1377	}	2130	}
1378		2131
1379	sub customise_for {	2132	sub customise_for {
1380	my ($self, $ob) = @_;	2133	my ($self, $ob) = @_;
1381		2134
1382	return find "~" . $ob->name . "/" . $self->{path}	2135	return find "~" . $ob->name . "/" . $self->{path}
1383	if $self->per_player;	2136	if $self->per_player;
1384		2137
		2138	# return find "?party/" . $ob->name . "/" . $self->{path}
		2139	# if $self->per_party;
		2140
1385	$self	2141	$self
1386	}	2142	}
1387		2143
1388	# find and load all maps in the 3x3 area around a map	2144	# find and load all maps in the 3x3 area around a map
1389	sub load_diag {	2145	sub load_neighbours {
1390	my ($map) = @_;	2146	my ($map) = @_;
1391		2147
1392	my @diag; # diagonal neighbours	2148	my @neigh; # diagonal neighbours
1393		2149
1394	for (0 .. 3) {	2150	for (0 .. 3) {
1395	my $neigh = $map->tile_path ($_)	2151	my $neigh = $map->tile_path ($_)
1396	or next;	2152	or next;
1397	$neigh = find $neigh, $map	2153	$neigh = find $neigh, $map
1398	or next;	2154	or next;
1399	$neigh->load;	2155	$neigh->load;
1400		2156
		2157	push @neigh,
1401	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2158	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1402	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2159	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1403	}	2160	}
1404		2161
1405	for (@diag) {	2162	for (grep defined $_->[0], @neigh) {
		2163	my ($path, $origin) = @$_;
1406	my $neigh = find @$_	2164	my $neigh = find $path, $origin
1407	or next;	2165	or next;
1408	$neigh->load;	2166	$neigh->load;
1409	}	2167	}
1410	}	2168	}
1411		2169
…		…
1416	}	2174	}
1417		2175
1418	sub do_load_sync {	2176	sub do_load_sync {
1419	my ($map) = @_;	2177	my ($map) = @_;
1420		2178
		2179	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2180	if $Coro::current == $Coro::main;
		2181
1421	cf::sync_job { $map->load };	2182	cf::sync_job { $map->load };
1422	}	2183	}
1423		2184
1424	our %MAP_PREFETCH;	2185	our %MAP_PREFETCH;
1425	our $MAP_PREFETCHER = Coro::async {	2186	our $MAP_PREFETCHER = undef;
1426	while () {
1427	for my $path (keys %MAP_PREFETCH) {
1428	my $map = find $path
1429	or next;
1430	$map->load;
1431
1432	delete $MAP_PREFETCH{$path};
1433	}
1434	Coro::schedule;
1435	}
1436	};
1437		2187
1438	sub find_async {	2188	sub find_async {
1439	my ($path, $origin) = @_;	2189	my ($path, $origin, $load) = @_;
1440		2190
1441	$path = normalise $path, $origin && $origin->{path};	2191	$path = normalise $path, $origin && $origin->{path};
1442		2192
1443	if (my $map = $cf::MAP{$path}) {	2193	if (my $map = $cf::MAP{$path}) {
1444	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;
1445	}	2212	};
1446
1447	$MAP_PREFETCH{$path} = 0;
1448	$MAP_PREFETCHER->ready;	2213	$MAP_PREFETCHER->prio (6);
1449		2214
1450	()	2215	()
1451	}	2216	}
1452		2217
1453	sub save {	2218	sub save {
1454	my ($self) = @_;	2219	my ($self) = @_;
1455		2220
1456	my $lock = cf::lock_acquire "map_data:" . $self->path;	2221	my $lock = cf::lock_acquire "map_data:$self->{path}";
1457		2222
1458	$self->{last_save} = $cf::RUNTIME;	2223	$self->{last_save} = $cf::RUNTIME;
1459		2224
1460	return unless $self->dirty;	2225	return unless $self->dirty;
1461		2226
…		…
1467	return if $self->{deny_save};	2232	return if $self->{deny_save};
1468		2233
1469	local $self->{last_access} = $self->last_access;#d#	2234	local $self->{last_access} = $self->last_access;#d#
1470		2235
1471	cf::async {	2236	cf::async {
		2237	$Coro::current->{desc} = "map player save";
1472	$_->contr->save for $self->players;	2238	$_->contr->save for $self->players;
1473	};	2239	};
		2240
		2241	cf::get_slot 0.02;
1474		2242
1475	if ($uniq) {	2243	if ($uniq) {
1476	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2244	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1477	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2245	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1478	} else {	2246	} else {
…		…
1484	my ($self) = @_;	2252	my ($self) = @_;
1485		2253
1486	# save first because save cedes	2254	# save first because save cedes
1487	$self->save;	2255	$self->save;
1488		2256
1489	my $lock = cf::lock_acquire "map_data:" . $self->path;	2257	my $lock = cf::lock_acquire "map_data:$self->{path}";
1490		2258
1491	return if $self->players;	2259	return if $self->players;
1492	return if $self->in_memory != cf::MAP_IN_MEMORY;	2260	return if $self->in_memory != cf::MAP_ACTIVE;
1493	return if $self->{deny_save};	2261	return if $self->{deny_save};
1494		2262
		2263	$self->in_memory (cf::MAP_SWAPPED);
		2264
		2265	$self->deactivate;
		2266	$_->clear_links_to ($self) for values %cf::MAP;
1495	$self->clear;	2267	$self->clear;
1496	$self->in_memory (cf::MAP_SWAPPED);
1497	}	2268	}
1498		2269
1499	sub reset_at {	2270	sub reset_at {
1500	my ($self) = @_;	2271	my ($self) = @_;
1501		2272
1502	# TODO: safety, remove and allow resettable per-player maps	2273	# TODO: safety, remove and allow resettable per-player maps
1503	return 1e99 if $self->isa ("ext::map_per_player");
1504	return 1e99 if $self->{deny_reset};	2274	return 1e99 if $self->{deny_reset};
1505		2275
1506	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2276	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1507	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2277	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1508		2278
…		…
1513	my ($self) = @_;	2283	my ($self) = @_;
1514		2284
1515	$self->reset_at <= $cf::RUNTIME	2285	$self->reset_at <= $cf::RUNTIME
1516	}	2286	}
1517		2287
1518	sub rename {
1519	my ($self, $new_path) = @_;
1520
1521	normalise $new_path;
1522
1523	$self->unlink_save;
1524
1525	delete $cf::MAP{$self->path};
1526	$self->{path} = $new_path; $self->path ($self->{path});
1527	$cf::MAP{$self->path} = $self;
1528
1529	$self->save;
1530	}
1531
1532	sub reset {	2288	sub reset {
1533	my ($self) = @_;	2289	my ($self) = @_;
1534		2290
1535	my $lock = cf::lock_acquire "map_data:$self->{path}";	2291	my $lock = cf::lock_acquire "map_data:$self->{path}";
1536		2292
1537	return if $self->players;	2293	return if $self->players;
1538	return if $self->isa ("ext::map_per_player");#d#
1539		2294
1540	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	}
1541		2306
1542	delete $cf::MAP{$self->path};	2307	delete $cf::MAP{$self->path};
1543		2308
1544	$self->in_memory (cf::MAP_SWAPPED);	2309	$self->deactivate;
		2310	$_->clear_links_to ($self) for values %cf::MAP;
1545	$self->clear;	2311	$self->clear;
1546
1547	$_->clear_links_to ($self) for values %cf::MAP;
1548		2312
1549	$self->unlink_save;	2313	$self->unlink_save;
1550	$self->destroy;	2314	$self->destroy;
1551	}	2315	}
1552		2316
1553	my $nuke_counter = "aaaa";	2317	my $nuke_counter = "aaaa";
1554		2318
1555	sub nuke {	2319	sub nuke {
1556	my ($self) = @_;	2320	my ($self) = @_;
1557		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};
1558	$self->{deny_save} = 1;	2331	$self->{deny_save} = 1;
1559	$self->reset_timeout (1);	2332	$self->reset_timeout (1);
1560	$self->rename ("{nuke}/" . ($nuke_counter++));	2333	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2334
		2335	$cf::MAP{$self->path} = $self;
		2336	}
		2337
1561	$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	]
1562	}	2375	}
1563		2376
1564	=item cf::map::unique_maps	2377	=item cf::map::unique_maps
1565		2378
1566	Returns an arrayref of paths of all shared maps that have	2379	Returns an arrayref of paths of all shared maps that have
1567	instantiated unique items. May block.	2380	instantiated unique items. May block.
1568		2381
1569	=cut	2382	=cut
1570		2383
1571	sub unique_maps() {	2384	sub unique_maps() {
1572	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2385	[
1573	or return;	2386	map {
1574
1575	my @paths;
1576
1577	for (@$files) {
1578	utf8::decode $_;	2387	utf8::decode $_;
1579	next if /\.pst$/;	2388	s/\.map$//; # TODO future compatibility hack
1580	next unless /^$PATH_SEP/o;	2389	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1581		2390	? ()
1582	s/\.map$//;	2391	: normalise $_
1583	push @paths, $_;	2392	} @{ aio_readdir $UNIQUEDIR or [] }
1584	}	2393	]
1585
1586	\@paths
1587	}	2394	}
1588
1589	package cf;
1590		2395
1591	=back	2396	=back
1592		2397
1593	=head3 cf::object	2398	=head3 cf::object
1594		2399
…		…
1598		2403
1599	=over 4	2404	=over 4
1600		2405
1601	=item $ob->inv_recursive	2406	=item $ob->inv_recursive
1602		2407
1603	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.
1604		2410
1605	=cut	2411	=cut
1606		2412
1607	sub inv_recursive_;	2413	sub inv_recursive_;
1608	sub inv_recursive_ {	2414	sub inv_recursive_ {
…		…
1611		2417
1612	sub inv_recursive {	2418	sub inv_recursive {
1613	inv_recursive_ inv $_[0]	2419	inv_recursive_ inv $_[0]
1614	}	2420	}
1615		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
1616	package cf;	2450	package cf;
1617		2451
1618	=back	2452	=back
1619		2453
1620	=head3 cf::object::player	2454	=head3 cf::object::player
…		…
1626	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>
1627	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
1628	dialogue with the given NPC character.	2462	dialogue with the given NPC character.
1629		2463
1630	=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	};
1631		2479
1632	# rough implementation of a future "reply" method that works	2480	# rough implementation of a future "reply" method that works
1633	# with dialog boxes.	2481	# with dialog boxes.
1634	#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
1635	sub cf::object::player::reply($$$;$) {	2483	sub cf::object::player::reply($$$;$) {
…		…
1637		2485
1638	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2486	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1639		2487
1640	if ($self->{record_replies}) {	2488	if ($self->{record_replies}) {
1641	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2489	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2490
1642	} 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 {
1643	$msg = $npc->name . " says: $msg" if $npc;	2499	$msg = $npc->name . " says: $msg" if $npc;
1644	$self->message ($msg, $flags);	2500	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2501	}
1645	}	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 (@_);
1646	}	2513	}
1647		2514
1648	=item $player_object->may ("access")	2515	=item $player_object->may ("access")
1649		2516
1650	Returns wether the given player is authorized to access resource "access"	2517	Returns wether the given player is authorized to access resource "access"
…		…
1682	=cut	2549	=cut
1683		2550
1684	sub link_map {	2551	sub link_map {
1685	unless ($LINK_MAP) {	2552	unless ($LINK_MAP) {
1686	$LINK_MAP = cf::map::find "{link}"	2553	$LINK_MAP = cf::map::find "{link}"
1687	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2554	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1688	$LINK_MAP->load;	2555	$LINK_MAP->load;
1689	}	2556	}
1690		2557
1691	$LINK_MAP	2558	$LINK_MAP
1692	}	2559	}
…		…
1697	$self->deactivate_recursive;	2564	$self->deactivate_recursive;
1698		2565
1699	return if UNIVERSAL::isa $self->map, "ext::map_link";	2566	return if UNIVERSAL::isa $self->map, "ext::map_link";
1700		2567
1701	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2568	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1702	if $self->map;	2569	if $self->map && $self->map->{path} ne "{link}";
1703		2570
1704	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2571	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1705	}	2572	}
1706		2573
1707	sub cf::object::player::leave_link {	2574	sub cf::object::player::leave_link {
1708	my ($self, $map, $x, $y) = @_;	2575	my ($self, $map, $x, $y) = @_;
		2576
		2577	return unless $self->contr->active;
1709		2578
1710	my $link_pos = delete $self->{_link_pos};	2579	my $link_pos = delete $self->{_link_pos};
1711		2580
1712	unless ($map) {	2581	unless ($map) {
1713	# restore original map position	2582	# restore original map position
…		…
1727	# use -1 or undef as default coordinates, not 0, 0	2596	# use -1 or undef as default coordinates, not 0, 0
1728	($x, $y) = ($map->enter_x, $map->enter_y)	2597	($x, $y) = ($map->enter_x, $map->enter_y)
1729	if $x <=0 && $y <= 0;	2598	if $x <=0 && $y <= 0;
1730		2599
1731	$map->load;	2600	$map->load;
1732	$map->load_diag;	2601	$map->load_neighbours;
1733		2602
1734	return unless $self->contr->active;	2603	return unless $self->contr->active;
1735	$self->activate_recursive;	2604	$self->activate_recursive;
		2605
		2606	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1736	$self->enter_map ($map, $x, $y);	2607	$self->enter_map ($map, $x, $y);
1737	}	2608	}
1738		2609
1739	cf::player->attach (	2610	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1740	on_logout => sub {
1741	my ($pl) = @_;
1742		2611
1743	# abort map switching before logout	2612	Moves the player to the given map-path and coordinates by first freezing
1744	if ($pl->ob->{_link_pos}) {	2613	her, loading and preparing them map, calling the provided $check callback
1745	cf::sync_job {	2614	that has to return the map if sucecssful, and then unfreezes the player on
1746	$pl->ob->leave_link	2615	the new (success) or old (failed) map position. In either case, $done will
1747	};	2616	be called at the end of this process.
1748	}
1749	},
1750	on_login => sub {
1751	my ($pl) = @_;
1752		2617
1753	# try to abort aborted map switching on player login :)
1754	# should happen only on crashes
1755	if ($pl->ob->{_link_pos}) {
1756	$pl->ob->enter_link;
1757	(async {
1758	# we need this sleep as the login has a concurrent enter_exit running
1759	# and this sleep increases chances of the player not ending up in scorn
1760	$pl->ob->reply (undef,
1761	"There was an internal problem at your last logout, "
1762	. "the server will try to bring you to your intended destination in a second.",
1763	cf::NDI_RED);
1764	Coro::Timer::sleep 1;
1765	$pl->ob->leave_link;
1766	})->prio (2);
1767	}
1768	},
1769	);
1770
1771	=item $player_object->goto ($path, $x, $y)
1772
1773	=cut	2618	=cut
		2619
		2620	our $GOTOGEN;
1774		2621
1775	sub cf::object::player::goto {	2622	sub cf::object::player::goto {
1776	my ($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;
1777		2627
1778	$self->enter_link;	2628	$self->enter_link;
1779		2629
1780	(async {	2630	(async {
1781	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) {
1782	$map = $map->customise_for ($self) if $map;	2656	$map = $map->customise_for ($self);
1783		2657	$map = $check->($map) if $check && $map;
1784	# warn "entering ", $map->path, " at ($x, $y)\n"	2658	} else {
1785	# if $map;
1786
1787	$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	}
1788		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};
1789	$self->leave_link ($map, $x, $y);	2672	$self->leave_link ($map, $x, $y);
		2673	}
		2674
		2675	$done->() if $done;
1790	})->prio (1);	2676	})->prio (1);
1791	}	2677	}
1792		2678
1793	=item $player_object->enter_exit ($exit_object)	2679	=item $player_object->enter_exit ($exit_object)
1794		2680
…		…
1796		2682
1797	sub parse_random_map_params {	2683	sub parse_random_map_params {
1798	my ($spec) = @_;	2684	my ($spec) = @_;
1799		2685
1800	my $rmp = { # defaults	2686	my $rmp = { # defaults
1801	xsize => 10,	2687	xsize => (cf::rndm 15, 40),
1802	ysize => 10,	2688	ysize => (cf::rndm 15, 40),
		2689	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2690	#layout => string,
1803	};	2691	};
1804		2692
1805	for (split /\n/, $spec) {	2693	for (split /\n/, $spec) {
1806	my ($k, $v) = split /\s+/, $_, 2;	2694	my ($k, $v) = split /\s+/, $_, 2;
1807		2695
…		…
1819	# that depends on the exit object	2707	# that depends on the exit object
1820		2708
1821	my $rmp = parse_random_map_params $exit->msg;	2709	my $rmp = parse_random_map_params $exit->msg;
1822		2710
1823	if ($exit->map) {	2711	if ($exit->map) {
1824	$rmp->{region} = $exit->map->region_name;	2712	$rmp->{region} = $exit->region->name;
1825	$rmp->{origin_map} = $exit->map->path;	2713	$rmp->{origin_map} = $exit->map->path;
1826	$rmp->{origin_x} = $exit->x;	2714	$rmp->{origin_x} = $exit->x;
1827	$rmp->{origin_y} = $exit->y;	2715	$rmp->{origin_y} = $exit->y;
		2716
		2717	$exit->map->touch;
1828	}	2718	}
1829		2719
1830	$rmp->{random_seed} ||= $exit->random_seed;	2720	$rmp->{random_seed} ||= $exit->random_seed;
1831		2721
1832	my $data = cf::to_json $rmp;	2722	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1833	my $md5 = Digest::MD5::md5_hex $data;	2723	my $md5 = Digest::MD5::md5_hex $data;
		2724	my $meta = "$RANDOMDIR/$md5.meta";
1834		2725
1835	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) {
1836	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;
1837		2730
		2731	my $slaying = "?random/$md5";
		2732
		2733	if ($exit->valid) {
1838	$exit->slaying ("?random/$md5");	2734	$exit->slaying ("?random/$md5");
1839	$exit->msg (undef);	2735	$exit->msg (undef);
		2736	}
1840	}	2737	}
1841	}	2738	}
1842		2739
1843	sub cf::object::player::enter_exit {	2740	sub cf::object::player::enter_exit {
1844	my ($self, $exit) = @_;	2741	my ($self, $exit) = @_;
…		…
1846	return unless $self->type == cf::PLAYER;	2743	return unless $self->type == cf::PLAYER;
1847		2744
1848	$self->enter_link;	2745	$self->enter_link;
1849		2746
1850	(async {	2747	(async {
1851	$self->deactivate_recursive; # just to be sure	2748	$Coro::current->{desc} = "enter_exit";
		2749
1852	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
1853	prepare_random_map $exit	2757	prepare_random_map $exit
1854	if $exit->slaying eq "/!";	2758	if $exit->slaying eq "/!";
		2759	}
1855		2760
1856	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;
1857	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2762	my $x = $exit->stats->hp;
		2763	my $y = $exit->stats->sp;
1858		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
1859	1;	2771	1
1860	}) {	2772	}) {
1861	$self->message ("Something went wrong deep within the crossfire server. "	2773	$self->message ("Something went wrong deep within the crossfire server. "
1862	. "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. "
1863	. "Please report this to the dungeon master!",	2775	. "Please report this to the dungeon master!",
1864	cf::NDI_UNIQUE | cf::NDI_RED);	2776	cf::NDI_UNIQUE | cf::NDI_RED);
1865		2777
1866	warn "ERROR in enter_exit: $@";	2778	warn "ERROR in enter_exit: $@";
1867	$self->leave_link;	2779	$self->leave_link;
1868	}	2780	}
1869	})->prio (1);	2781	})->prio (1);
…		…
1882		2794
1883	sub cf::client::send_drawinfo {	2795	sub cf::client::send_drawinfo {
1884	my ($self, $text, $flags) = @_;	2796	my ($self, $text, $flags) = @_;
1885		2797
1886	utf8::encode $text;	2798	utf8::encode $text;
1887	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2799	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1888	}	2800	}
1889		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	}
1890		2966
1891	=item $success = $client->query ($flags, "text", \&cb)	2967	=item $success = $client->query ($flags, "text", \&cb)
1892		2968
1893	Queues a query to the client, calling the given callback with	2969	Queues a query to the client, calling the given callback with
1894	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>,
1895	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>.
1896		2972
1897	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
1898	reliable at some point in the future.	2974	become reliable at some point in the future.
1899		2975
1900	=cut	2976	=cut
1901		2977
1902	sub cf::client::query {	2978	sub cf::client::query {
1903	my ($self, $flags, $text, $cb) = @_;	2979	my ($self, $flags, $text, $cb) = @_;
…		…
1911	utf8::encode $text;	2987	utf8::encode $text;
1912	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2988	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1913		2989
1914	$self->send_packet ($self->{query_queue}[0][0])	2990	$self->send_packet ($self->{query_queue}[0][0])
1915	if @{ $self->{query_queue} } == 1;	2991	if @{ $self->{query_queue} } == 1;
		2992
		2993	1
1916	}	2994	}
1917		2995
1918	cf::client->attach (	2996	cf::client->attach (
		2997	on_connect => sub {
		2998	my ($ns) = @_;
		2999
		3000	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3001	},
1919	on_reply => sub {	3002	on_reply => sub {
1920	my ($ns, $msg) = @_;	3003	my ($ns, $msg) = @_;
1921		3004
1922	# this weird shuffling is so that direct followup queries	3005	# this weird shuffling is so that direct followup queries
1923	# get handled first	3006	# get handled first
1924	my $queue = delete $ns->{query_queue}	3007	my $queue = delete $ns->{query_queue}
1925	or return; # be conservative, not sure how that can happen, but we saw a crash here	3008	or return; # be conservative, not sure how that can happen, but we saw a crash here
1926		3009
1927	(shift @$queue)->[1]->($msg);	3010	(shift @$queue)->[1]->($msg);
		3011	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1928		3012
1929	push @{ $ns->{query_queue} }, @$queue;	3013	push @{ $ns->{query_queue} }, @$queue;
1930		3014
1931	if (@{ $ns->{query_queue} } == @$queue) {	3015	if (@{ $ns->{query_queue} } == @$queue) {
1932	if (@$queue) {	3016	if (@$queue) {
…		…
1934	} else {	3018	} else {
1935	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3019	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1936	}	3020	}
1937	}	3021	}
1938	},	3022	},
		3023	on_exticmd => sub {
		3024	my ($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	},
1939	);	3049	);
1940		3050
1941	=item $client->async (\&cb)	3051	=item $client->async (\&cb)
1942		3052
1943	Create a new coroutine, running the specified callback. The coroutine will	3053	Create a new coroutine, running the specified callback. The coroutine will
…		…
1984	our $safe = new Safe "safe";	3094	our $safe = new Safe "safe";
1985	our $safe_hole = new Safe::Hole;	3095	our $safe_hole = new Safe::Hole;
1986		3096
1987	$SIG{FPE} = 'IGNORE';	3097	$SIG{FPE} = 'IGNORE';
1988		3098
1989	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3099	$safe->permit_only (Opcode::opset qw(
		3100	:base_core :base_mem :base_orig :base_math
		3101	grepstart grepwhile mapstart mapwhile
		3102	sort time
		3103	));
1990		3104
1991	# here we export the classes and methods available to script code	3105	# here we export the classes and methods available to script code
1992		3106
1993	=pod	3107	=pod
1994		3108
1995	The following fucntions and emthods are available within a safe environment:	3109	The following functions and methods are available within a safe environment:
1996		3110
1997	cf::object contr pay_amount pay_player map	3111	cf::object
		3112	contr pay_amount pay_player map x y force_find force_add destroy
		3113	insert remove name archname title slaying race decrease split
		3114
1998	cf::object::player player	3115	cf::object::player
1999	cf::player peaceful	3116	player
2000	cf::map trigger	3117
		3118	cf::player
		3119	peaceful
		3120
		3121	cf::map
		3122	trigger
2001		3123
2002	=cut	3124	=cut
2003		3125
2004	for (	3126	for (
2005	["cf::object" => qw(contr pay_amount pay_player map)],	3127	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3128	insert remove inv nrof name archname title slaying race
		3129	decrease split destroy)],
2006	["cf::object::player" => qw(player)],	3130	["cf::object::player" => qw(player)],
2007	["cf::player" => qw(peaceful)],	3131	["cf::player" => qw(peaceful)],
2008	["cf::map" => qw(trigger)],	3132	["cf::map" => qw(trigger)],
2009	) {	3133	) {
2010	no strict 'refs';	3134	no strict 'refs';
…		…
2081	=back	3205	=back
2082		3206
2083	=cut	3207	=cut
2084		3208
2085	#############################################################################	3209	#############################################################################
		3210	# the server's init and main functions
2086		3211
2087	=head2 EXTENSION DATABASE SUPPORT	3212	sub load_facedata($) {
		3213	my ($path) = @_;
2088		3214
2089	Crossfire maintains a very simple database for extension use. It can	3215	# HACK to clear player env face cache, we need some signal framework
2090	currently store anything that can be serialised using Storable, which	3216	# for this (global event?)
2091	excludes objects.	3217	%ext::player_env::MUSIC_FACE_CACHE = ();
2092		3218
2093	The parameter C<$family> should best start with the name of the extension	3219	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2094	using it, it should be unique.
2095		3220
2096	=over 4	3221	warn "loading facedata from $path\n";
2097		3222
2098	=item $hashref = cf::db_get $family	3223	my $facedata;
		3224	0 < aio_load $path, $facedata
		3225	or die "$path: $!";
2099		3226
2100	Return a hashref for use by the extension C<$family>, which can be	3227	$facedata = Coro::Storable::thaw $facedata;
2101	modified. After modifications, you have to call C<cf::db_dirty> or
2102	C<cf::db_sync>.
2103		3228
2104	=item $value = cf::db_get $family => $key	3229	$facedata->{version} == 2
		3230	or cf::cleanup "$path: version mismatch, cannot proceed.";
2105		3231
2106	Returns a single value from the database	3232	# patch in the exptable
2107		3233	$facedata->{resource}{"res/exp_table"} = {
2108	=item cf::db_put $family => $hashref	3234	type => FT_RSRC,
2109		3235	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2110	Stores the given family hashref into the database. Updates are delayed, if
2111	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2112
2113	=item cf::db_put $family => $key => $value
2114
2115	Stores the given C<$value> in the family hash. Updates are delayed, if you
2116	want the data to be synced to disk immediately, use C<cf::db_sync>.
2117
2118	=item cf::db_dirty
2119
2120	Marks the database as dirty, to be updated at a later time.
2121
2122	=item cf::db_sync
2123
2124	Immediately write the database to disk I<if it is dirty>.
2125
2126	=cut
2127
2128	our $DB;
2129
2130	{
2131	my $path = cf::localdir . "/database.pst";
2132
2133	sub db_load() {
2134	$DB = stat $path ? Storable::retrieve $path : { };
2135	}
2136
2137	my $pid;
2138
2139	sub db_save() {
2140	waitpid $pid, 0 if $pid;
2141	if (0 == ($pid = fork)) {
2142	$DB->{_meta}{version} = 1;
2143	Storable::nstore $DB, "$path~";
2144	rename "$path~", $path;
2145	cf::_exit 0 if defined $pid;
2146	}
2147	}
2148
2149	my $dirty;
2150
2151	sub db_sync() {
2152	db_save if $dirty;
2153	undef $dirty;
2154	}
2155
2156	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2157	db_sync;
2158	});	3236	};
		3237	cf::cede_to_tick;
2159		3238
2160	sub db_dirty() {
2161	$dirty = 1;
2162	$idle->start;
2163	}	3239	{
		3240	my $faces = $facedata->{faceinfo};
2164		3241
2165	sub db_get($;$) {	3242	while (my ($face, $info) = each %$faces) {
2166	@_ >= 2	3243	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2167	? $DB->{$_[0]}{$_[1]}
2168	: ($DB->{$_[0]} ||= { })
2169	}
2170		3244
2171	sub db_put($$;$) {	3245	cf::face::set_visibility $idx, $info->{visibility};
2172	if (@_ >= 3) {	3246	cf::face::set_magicmap $idx, $info->{magicmap};
2173	$DB->{$_[0]}{$_[1]} = $_[2];	3247	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2174	} else {	3248	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2175	$DB->{$_[0]} = $_[1];
2176	}
2177	db_dirty;
2178	}
2179		3249
2180	cf::global->attach (	3250	cf::cede_to_tick;
2181	prio => 10000,
2182	on_cleanup => sub {
2183	db_sync;
2184	},	3251	}
2185	);
2186	}
2187		3252
2188	#############################################################################	3253	while (my ($face, $info) = each %$faces) {
2189	# the server's main()	3254	next unless $info->{smooth};
2190		3255
2191	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 {
2192	open my $fh, "<:utf8", cf::confdir . "/config"	3404	open my $fh, "<:utf8", "$CONFDIR/config"
2193	or return;	3405	or return;
2194		3406
2195	local $/;	3407	local $/;
2196	*CFG = YAML::Syck::Load <$fh>;	3408	*CFG = YAML::Load <$fh>;
2197		3409
2198	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3410	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2199		3411
2200	$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};
2201	$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};
…		…
2211		3423
2212	sub main {	3424	sub main {
2213	# we must not ever block the main coroutine	3425	# we must not ever block the main coroutine
2214	local $Coro::idle = sub {	3426	local $Coro::idle = sub {
2215	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#
2216	async { Event::one_event };	3428	(async {
		3429	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3430	EV::loop EV::LOOP_ONESHOT;
		3431	})->prio (Coro::PRIO_MAX);
2217	};	3432	};
2218		3433
2219	cfg_load;	3434	{
2220	db_load;	3435	my $guard = freeze_mainloop;
		3436	reload_config;
		3437	db_init;
2221	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
2222	Event::loop;	3444	EV::loop;
2223	}	3445	}
2224		3446
2225	#############################################################################	3447	#############################################################################
2226	# initialisation and cleanup	3448	# initialisation and cleanup
2227		3449
2228	# install some emergency cleanup handlers	3450	# install some emergency cleanup handlers
2229	BEGIN {	3451	BEGIN {
		3452	our %SIGWATCHER = ();
2230	for my $signal (qw(INT HUP TERM)) {	3453	for my $signal (qw(INT HUP TERM)) {
2231	Event->signal (	3454	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2232	data => WF_AUTOCANCEL,
2233	signal => $signal,
2234	cb => sub {
2235	cf::cleanup "SIG$signal";	3455	cf::cleanup "SIG$signal";
2236	},
2237	);	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
2238	}	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 };
2239	}	3539	}
2240		3540
2241	sub emergency_save() {	3541	sub emergency_save() {
2242	my $freeze_guard = cf::freeze_mainloop;	3542	my $freeze_guard = cf::freeze_mainloop;
2243		3543
…		…
2249	# and maps saved/destroyed asynchronously.	3549	# and maps saved/destroyed asynchronously.
2250	warn "begin emergency player save\n";	3550	warn "begin emergency player save\n";
2251	for my $login (keys %cf::PLAYER) {	3551	for my $login (keys %cf::PLAYER) {
2252	my $pl = $cf::PLAYER{$login} or next;	3552	my $pl = $cf::PLAYER{$login} or next;
2253	$pl->valid or next;	3553	$pl->valid or next;
		3554	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2254	$pl->save;	3555	$pl->save;
2255	}	3556	}
2256	warn "end emergency player save\n";	3557	warn "end emergency player save\n";
2257		3558
2258	warn "begin emergency map save\n";	3559	warn "begin emergency map save\n";
…		…
2260	my $map = $cf::MAP{$path} or next;	3561	my $map = $cf::MAP{$path} or next;
2261	$map->valid or next;	3562	$map->valid or next;
2262	$map->save;	3563	$map->save;
2263	}	3564	}
2264	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 $DB_ENV;
		3569	warn "end emergency database checkpoint\n";
		3570
		3571	warn "begin write uuid\n";
		3572	write_uuid_sync 1;
		3573	warn "end write uuid\n";
2265	};	3574	};
2266		3575
2267	warn "leave emergency perl save\n";	3576	warn "leave emergency perl save\n";
2268	}	3577	}
2269		3578
		3579	sub post_cleanup {
		3580	my ($make_core) = @_;
		3581
		3582	warn Carp::longmess "post_cleanup backtrace"
		3583	if $make_core;
		3584	}
		3585
2270	sub reload() {	3586	sub do_reload_perl() {
2271	# can/must only be called in main	3587	# can/must only be called in main
2272	if ($Coro::current != $Coro::main) {	3588	if ($Coro::current != $Coro::main) {
2273	warn "can only reload from main coroutine\n";	3589	warn "can only reload from main coroutine";
2274	return;	3590	return;
2275	}	3591	}
2276		3592
2277	warn "reloading...";	3593	warn "reloading...";
2278		3594
2279	warn "freezing server";	3595	warn "entering sync_job";
2280	my $guard = freeze_mainloop;	3596
		3597	cf::sync_job {
		3598	cf::write_runtime_sync; # external watchdog should not bark
2281	cf::emergency_save;	3599	cf::emergency_save;
		3600	cf::write_runtime_sync; # external watchdog should not bark
2282		3601
2283	warn "sync database to disk";	3602	warn "syncing database to disk";
2284	cf::db_sync;	3603	BDB::db_env_txn_checkpoint $DB_ENV;
2285	IO::AIO::flush;
2286		3604
2287	eval {
2288	# 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
2289		3606
2290	warn "cancel all watchers";	3607	warn "flushing outstanding aio requests";
2291	for (Event::all_watchers) {	3608	for (;;) {
2292	$_->cancel if $_->data & WF_AUTOCANCEL;	3609	BDB::flush;
		3610	IO::AIO::flush;
		3611	Coro::cede_notself;
		3612	last unless IO::AIO::nreqs || BDB::nreqs;
		3613	warn "iterate...";
2293	}	3614	}
2294		3615
		3616	++$RELOAD;
		3617
2295	warn "cancel all extension coros";	3618	warn "cancelling all extension coros";
2296	$_->cancel for values %EXT_CORO;	3619	$_->cancel for values %EXT_CORO;
2297	%EXT_CORO = ();	3620	%EXT_CORO = ();
2298		3621
2299	warn "remove commands";	3622	warn "removing commands";
2300	%COMMAND = ();	3623	%COMMAND = ();
2301		3624
2302	warn "remove ext commands";	3625	warn "removing ext/exti commands";
2303	%EXTCMD = ();	3626	%EXTCMD = ();
		3627	%EXTICMD = ();
2304		3628
2305	warn "unload/nuke all extensions";	3629	warn "unloading/nuking all extensions";
2306	for my $pkg (@EXTS) {	3630	for my $pkg (@EXTS) {
2307	warn "... unloading $pkg";	3631	warn "... unloading $pkg";
2308		3632
2309	if (my $cb = $pkg->can ("unload")) {	3633	if (my $cb = $pkg->can ("unload")) {
2310	eval {	3634	eval {
…		…
2315		3639
2316	warn "... nuking $pkg";	3640	warn "... nuking $pkg";
2317	Symbol::delete_package $pkg;	3641	Symbol::delete_package $pkg;
2318	}	3642	}
2319		3643
2320	warn "unload all perl modules loaded from $LIBDIR";	3644	warn "unloading all perl modules loaded from $LIBDIR";
2321	while (my ($k, $v) = each %INC) {	3645	while (my ($k, $v) = each %INC) {
2322	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3646	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2323		3647
2324	warn "removing <$k>";	3648	warn "... unloading $k";
2325	delete $INC{$k};	3649	delete $INC{$k};
2326		3650
2327	$k =~ s/\.pm$//;	3651	$k =~ s/\.pm$//;
2328	$k =~ s/\//::/g;	3652	$k =~ s/\//::/g;
2329		3653
…		…
2332	}	3656	}
2333		3657
2334	Symbol::delete_package $k;	3658	Symbol::delete_package $k;
2335	}	3659	}
2336		3660
2337	warn "get rid of safe::, as good as possible";	3661	warn "getting rid of safe::, as good as possible";
2338	Symbol::delete_package "safe::$_"	3662	Symbol::delete_package "safe::$_"
2339	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);
2340		3664
2341	warn "unload cf.pm \"a bit\"";	3665	warn "unloading cf.pm \"a bit\"";
2342	delete $INC{"cf.pm"};	3666	delete $INC{"cf.pm"};
		3667	delete $INC{"cf/pod.pm"};
2343		3668
2344	# don't, removes xs symbols, too,	3669	# don't, removes xs symbols, too,
2345	# and global variables created in xs	3670	# and global variables created in xs
2346	#Symbol::delete_package __PACKAGE__;	3671	#Symbol::delete_package __PACKAGE__;
2347		3672
		3673	warn "unload completed, starting to reload now";
		3674
2348	warn "reloading cf.pm";	3675	warn "reloading cf.pm";
2349	require cf;	3676	require cf;
2350	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3677	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2351		3678
2352	warn "load config and database again";	3679	warn "loading config and database again";
2353	cf::cfg_load;	3680	cf::reload_config;
2354	cf::db_load;
2355		3681
2356	warn "load extensions";	3682	warn "loading extensions";
2357	cf::load_extensions;	3683	cf::load_extensions;
2358		3684
2359	warn "reattach attachments to objects/players";	3685	warn "reattaching attachments to objects/players";
2360	_global_reattach;	3686	_global_reattach; # objects, sockets
2361	warn "reattach attachments to maps";	3687	warn "reattaching attachments to maps";
2362	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 $@;
		3697	cf::cleanup "error while reloading, exiting.";
2363	};	3698	};
2364
2365	if ($@) {
2366	warn $@;
2367	warn "error while reloading, exiting.";
2368	exit 1;
2369	}
2370		3699
2371	warn "reloaded";	3700	warn "reloaded";
2372	};	3701	};
2373		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 $RELOAD_WATCHER;
		3712	};
		3713	}
		3714
2374	register_command "reload" => sub {	3715	register_command "reload" => sub {
2375	my ($who, $arg) = @_;	3716	my ($who, $arg) = @_;
2376		3717
2377	if ($who->flag (FLAG_WIZ)) {	3718	if ($who->flag (FLAG_WIZ)) {
2378	$who->message ("start of reload.");
2379	reload;
2380	$who->message ("end of reload.");	3719	$who->message ("reloading server.");
		3720	async {
		3721	$Coro::current->{desc} = "perl_reload";
		3722	reload_perl;
		3723	};
2381	}	3724	}
2382	};	3725	};
2383		3726
2384	unshift @INC, $LIBDIR;	3727	unshift @INC, $LIBDIR;
2385		3728
2386	$TICK_WATCHER = Event->timer (	3729	my $bug_warning = 0;
2387	reentrant => 0,
2388	prio => 0,
2389	at => $NEXT_TICK || $TICK,
2390	data => WF_AUTOCANCEL,
2391	cb => sub {
2392	$NOW = Event::time;
2393		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
2394	cf::server_tick; # one server iteration	3757	cf::server_tick; # one server iteration
2395	$RUNTIME += $TICK;
2396	$NEXT_TICK += $TICK;
2397		3758
2398	$WAIT_FOR_TICK->broadcast;	3759	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2399	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3760	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2400		3761	Coro::async_pool {
2401	# if we are delayed by four ticks or more, skip them all	3762	$Coro::current->{desc} = "runtime saver";
2402	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2403
2404	$TICK_WATCHER->at ($NEXT_TICK);
2405	$TICK_WATCHER->start;
2406	},
2407	);
2408
2409	IO::AIO::max_poll_time $TICK * 0.2;
2410
2411	$AIO_POLL_WATCHER = Event->io (
2412	fd => IO::AIO::poll_fileno,
2413	poll => 'r',
2414	prio => 5,
2415	data => WF_AUTOCANCEL,
2416	cb => \&IO::AIO::poll_cb,
2417	);
2418
2419	$WRITE_RUNTIME_WATCHER = Event->timer (
2420	data => WF_AUTOCANCEL,
2421	after => 0,
2422	interval => 10,
2423	cb => sub {
2424	(Coro::unblock_sub {
2425	write_runtime	3763	write_runtime_sync
2426	or warn "ERROR: unable to write runtime file: $!";	3764	or warn "ERROR: unable to write runtime file: $!";
2427	})->();	3765	};
2428	},	3766	}
2429	);	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;
2430		3878
2431	END { cf::emergency_save }	3879	END { cf::emergency_save }
2432		3880
2433	1	3881	1
2434		3882

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