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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.166 by root, Sat Jan 13 23:06:13 2007 UTC vs.
Revision 1.438 by elmex, Sun Jul 13 20:15:51 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;
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 ();
		37	use Coro::State;
		38	use Coro::Handle;
14	use Coro::Event;	39	use Coro::AnyEvent;
15	use Coro::Timer;	40	use Coro::Timer;
16	use Coro::Signal;	41	use Coro::Signal;
17	use Coro::Semaphore;	42	use Coro::Semaphore;
		43	use Coro::AnyEvent;
18	use Coro::AIO;	44	use Coro::AIO;
		45	use Coro::BDB 1.6;
		46	use Coro::Storable;
		47	use Coro::Util ();
19		48
		49	use JSON::XS 2.01 ();
		50	use BDB ();
20	use Data::Dumper;	51	use Data::Dumper;
21	use Digest::MD5;	52	use Digest::MD5;
22	use Fcntl;	53	use Fcntl;
		54	use YAML ();
23	use IO::AIO 2.32 ();	55	use IO::AIO ();
24	use YAML::Syck ();
25	use Time::HiRes;	56	use Time::HiRes;
		57	use Compress::LZF;
		58	use Digest::MD5 ();
26		59
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	60	AnyEvent::detect;
		61
		62	# configure various modules to our taste
		63	#
		64	$Storable::canonical = 1; # reduce rsync transfers
		65	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		66	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		67
		68	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
28		69
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	70	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		71
36	our %COMMAND = ();	72	our %COMMAND = ();
37	our %COMMAND_TIME = ();	73	our %COMMAND_TIME = ();
38		74
39	our @EXTS = (); # list of extension package names	75	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	76	our %EXTCMD = ();
		77	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	78	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	79	our %EXT_MAP = (); # pluggable maps
43		80
		81	our $RELOAD; # number of reloads so far
44	our @EVENT;	82	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		83
47	our $TICK = MAX_TIME * 1e-6;	84	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	85	our $DATADIR = datadir;
		86	our $LIBDIR = "$DATADIR/ext";
		87	our $PODDIR = "$DATADIR/pod";
		88	our $MAPDIR = "$DATADIR/" . mapdir;
		89	our $LOCALDIR = localdir;
		90	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		91	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		92	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		93	our $RANDOMDIR = "$LOCALDIR/random";
		94	our $BDBDIR = "$LOCALDIR/db";
		95	our %RESOURCE;
		96
		97	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		98	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	99	our $NEXT_TICK;
50	our $NOW;	100	our $USE_FSYNC = 1; # use fsync to write maps - default off
		101
		102	our $BDB_DEADLOCK_WATCHER;
		103	our $BDB_CHECKPOINT_WATCHER;
		104	our $BDB_TRICKLE_WATCHER;
		105	our $DB_ENV;
51		106
52	our %CFG;	107	our %CFG;
53		108
54	our $UPTIME; $UPTIME ||= time;	109	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	110	our $RUNTIME;
		111	our $NOW;
56		112
57	our %PLAYER; # all users	113	our (%PLAYER, %PLAYER_LOADING); # all users
58	our %MAP; # all maps	114	our (%MAP, %MAP_LOADING ); # all maps
59	our $LINK_MAP; # the special {link} map, which is always available	115	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
64		116
65	# used to convert map paths into valid unix filenames by replacing / by ∕	117	# used to convert map paths into valid unix filenames by replacing / by ∕
66	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	118	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
67		119
		120	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		121	our $LOADAVG; # same thing, but with alpha-smoothing
		122	our $JITTER; # average jitter
		123	our $TICK_START; # for load detecting purposes
		124
68	binmode STDOUT;	125	binmode STDOUT;
69	binmode STDERR;	126	binmode STDERR;
70		127
71	# read virtual server time, if available	128	# read virtual server time, if available
72	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	129	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
73	open my $fh, "<", cf::localdir . "/runtime"	130	open my $fh, "<", "$LOCALDIR/runtime"
74	or die "unable to read runtime file: $!";	131	or die "unable to read runtime file: $!";
75	$RUNTIME = <$fh> + 0.;	132	$RUNTIME = <$fh> + 0.;
76	}	133	}
77		134
78	mkdir cf::localdir;	135	mkdir $_
79	mkdir cf::localdir . "/" . cf::playerdir;	136	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
80	mkdir cf::localdir . "/" . cf::tmpdir;
81	mkdir cf::localdir . "/" . cf::uniquedir;
82	mkdir $RANDOM_MAPS;
83		137
84	our $EMERGENCY_POSITION;	138	our $EMERGENCY_POSITION;
		139
		140	sub cf::map::normalise;
85		141
86	#############################################################################	142	#############################################################################
87		143
88	=head2 GLOBAL VARIABLES	144	=head2 GLOBAL VARIABLES
89		145
…		…
96	=item $cf::RUNTIME	152	=item $cf::RUNTIME
97		153
98	The time this server has run, starts at 0 and is increased by $cf::TICK on	154	The time this server has run, starts at 0 and is increased by $cf::TICK on
99	every server tick.	155	every server tick.
100		156
101	=item $cf::LIBDIR	157	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		158	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		159	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
102		160
103	The perl library directory, where extensions and cf-specific modules can	161	Various directories - "/etc", read-only install directory, perl-library
104	be found. It will be added to C<@INC> automatically.	162	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		163	unique-items directory, player file directory, random maps directory and
		164	database environment.
105		165
106	=item $cf::NOW	166	=item $cf::NOW
107		167
108	The time of the last (current) server tick.	168	The time of the last (current) server tick.
109		169
110	=item $cf::TICK	170	=item $cf::TICK
111		171
112	The interval between server ticks, in seconds.	172	The interval between server ticks, in seconds.
113		173
		174	=item $cf::LOADAVG
		175
		176	The current CPU load on the server (alpha-smoothed), as a value between 0
		177	(none) and 1 (overloaded), indicating how much time is spent on processing
		178	objects per tick. Healthy values are < 0.5.
		179
		180	=item $cf::LOAD
		181
		182	The raw value load value from the last tick.
		183
114	=item %cf::CFG	184	=item %cf::CFG
115		185
116	Configuration for the server, loaded from C</etc/crossfire/config>, or	186	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
117	from wherever your confdir points to.	187	from wherever your confdir points to.
118		188
119	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	189	=item cf::wait_for_tick, cf::wait_for_tick_begin
120		190
121	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	191	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
122	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	192	returns directly I<after> the tick processing (and consequently, can only wake one process
123	processing has been done. Call C<< ->wait >> on them to maximise the	193	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
124	window of cpu time available, or simply to synchronise to the server tick.	194
		195	=item @cf::INVOKE_RESULTS
		196
		197	This array contains the results of the last C<invoke ()> call. When
		198	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		199	that call.
125		200
126	=back	201	=back
127		202
128	=cut	203	=cut
129		204
130	BEGIN {	205	BEGIN {
131	*CORE::GLOBAL::warn = sub {	206	*CORE::GLOBAL::warn = sub {
132	my $msg = join "", @_;	207	my $msg = join "", @_;
133	utf8::encode $msg;
134		208
135	$msg .= "\n"	209	$msg .= "\n"
136	unless $msg =~ /\n$/;	210	unless $msg =~ /\n$/;
137		211
		212	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		213
138	LOG llevError, $msg;	214	LOG llevError, $msg;
139	};	215	};
140	}	216	}
		217
		218	$Coro::State::DIEHOOK = sub {
		219	return unless $^S eq 0; # "eq", not "=="
		220
		221	if ($Coro::current == $Coro::main) {#d#
		222	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		223	return;#d#
		224	}#d#
		225
		226	# kill coroutine otherwise
		227	warn Carp::longmess $_[0];
		228	Coro::terminate
		229	};
		230
		231	$SIG{__DIE__} = sub { }; #d#?
141		232
142	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	233	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
143	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	234	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
144	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	235	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
145	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	236	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
146	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	237	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		238	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
147	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	239	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
148		240
149	# we bless all objects into (empty) derived classes to force a method lookup	241	# we bless all objects into (empty) derived classes to force a method lookup
150	# within the Safe compartment.	242	# within the Safe compartment.
151	for my $pkg (qw(	243	for my $pkg (qw(
152	cf::global cf::attachable	244	cf::global cf::attachable
…		…
157	)) {	249	)) {
158	no strict 'refs';	250	no strict 'refs';
159	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	251	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
160	}	252	}
161		253
162	$Event::DIED = sub {	254	$EV::DIED = sub {
163	warn "error in event callback: @_";	255	warn "error in event callback: @_";
164	};	256	};
		257
		258	#############################################################################
165		259
166	=head2 UTILITY FUNCTIONS	260	=head2 UTILITY FUNCTIONS
167		261
168	=over 4	262	=over 4
169		263
…		…
188	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	282	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189	$d	283	$d
190	} || "[unable to dump $_[0]: '$@']";	284	} || "[unable to dump $_[0]: '$@']";
191	}	285	}
192		286
193	use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195	=item $ref = cf::from_json $json	287	=item $ref = cf::decode_json $json
196		288
197	Converts a JSON string into the corresponding perl data structure.	289	Converts a JSON string into the corresponding perl data structure.
198		290
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	291	=item $json = cf::encode_json $ref
207		292
208	Converts a perl data structure into its JSON representation.	293	Converts a perl data structure into its JSON representation.
209		294
210	=cut	295	=cut
211		296
212	sub to_json($) {	297	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	298
214	JSON::Syck::Dump $_[0]	299	sub encode_json($) { $json_coder->encode ($_[0]) }
215	}	300	sub decode_json($) { $json_coder->decode ($_[0]) }
216		301
217	=item cf::lock_wait $string	302	=item cf::lock_wait $string
218		303
219	Wait until the given lock is available. See cf::lock_acquire.	304	Wait until the given lock is available. See cf::lock_acquire.
220		305
…		…
223	Wait until the given lock is available and then acquires it and returns	308	Wait until the given lock is available and then acquires it and returns
224	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	309	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
225	for example when the coroutine gets canceled), the lock is automatically	310	for example when the coroutine gets canceled), the lock is automatically
226	returned.	311	returned.
227		312
		313	Locks are *not* recursive, locking from the same coro twice results in a
		314	deadlocked coro.
		315
228	Lock names should begin with a unique identifier (for example, cf::map::find	316	Lock names should begin with a unique identifier (for example, cf::map::find
229	uses map_find and cf::map::load uses map_load).	317	uses map_find and cf::map::load uses map_load).
230		318
		319	=item $locked = cf::lock_active $string
		320
		321	Return true if the lock is currently active, i.e. somebody has locked it.
		322
231	=cut	323	=cut
232		324
233	our %LOCK;	325	our %LOCK;
		326	our %LOCKER;#d#
234		327
235	sub lock_wait($) {	328	sub lock_wait($) {
236	my ($key) = @_;	329	my ($key) = @_;
		330
		331	if ($LOCKER{$key} == $Coro::current) {#d#
		332	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		333	return;#d#
		334	}#d#
237		335
238	# wait for lock, if any	336	# wait for lock, if any
239	while ($LOCK{$key}) {	337	while ($LOCK{$key}) {
240	push @{ $LOCK{$key} }, $Coro::current;	338	push @{ $LOCK{$key} }, $Coro::current;
241	Coro::schedule;	339	Coro::schedule;
…		…
247		345
248	# wait, to be sure we are not locked	346	# wait, to be sure we are not locked
249	lock_wait $key;	347	lock_wait $key;
250		348
251	$LOCK{$key} = [];	349	$LOCK{$key} = [];
		350	$LOCKER{$key} = $Coro::current;#d#
252		351
253	Coro::guard {	352	Coro::guard {
		353	delete $LOCKER{$key};#d#
254	# wake up all waiters, to be on the safe side	354	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };	355	$_->ready for @{ delete $LOCK{$key} };
256	}	356	}
257	}	357	}
258		358
		359	sub lock_active($) {
		360	my ($key) = @_;
		361
		362	! ! $LOCK{$key}
		363	}
		364
259	sub freeze_mainloop {	365	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	366	tick_inhibit_inc;
261		367
262	my $guard = Coro::guard { $TICK_WATCHER->start };	368	Coro::guard \&tick_inhibit_dec;
263	$TICK_WATCHER->stop;	369	}
264	$guard	370
		371	=item cf::periodic $interval, $cb
		372
		373	Like EV::periodic, but randomly selects a starting point so that the actions
		374	get spread over timer.
		375
		376	=cut
		377
		378	sub periodic($$) {
		379	my ($interval, $cb) = @_;
		380
		381	my $start = rand List::Util::min 180, $interval;
		382
		383	EV::periodic $start, $interval, 0, $cb
		384	}
		385
		386	=item cf::get_slot $time[, $priority[, $name]]
		387
		388	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		389	This call blocks and returns only when you have at least C<$time> seconds
		390	of cpu time till the next tick. The slot is only valid till the next cede.
		391
		392	The optional C<$name> can be used to identify the job to run. It might be
		393	used for statistical purposes and should identify the same time-class.
		394
		395	Useful for short background jobs.
		396
		397	=cut
		398
		399	our @SLOT_QUEUE;
		400	our $SLOT_QUEUE;
		401
		402	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		403	$SLOT_QUEUE = Coro::async {
		404	$Coro::current->desc ("timeslot manager");
		405
		406	my $signal = new Coro::Signal;
		407
		408	while () {
		409	next_job:
		410	my $avail = cf::till_tick;
		411	if ($avail > 0.01) {
		412	for (0 .. $#SLOT_QUEUE) {
		413	if ($SLOT_QUEUE[$_][0] < $avail) {
		414	my $job = splice @SLOT_QUEUE, $_, 1, ();
		415	$job->[2]->send;
		416	Coro::cede;
		417	goto next_job;
		418	}
		419	}
		420	}
		421
		422	if (@SLOT_QUEUE) {
		423	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		424	push @cf::WAIT_FOR_TICK, $signal;
		425	$signal->wait;
		426	} else {
		427	Coro::schedule;
		428	}
		429	}
		430	};
		431
		432	sub get_slot($;$$) {
		433	return if tick_inhibit || $Coro::current == $Coro::main;
		434
		435	my ($time, $pri, $name) = @_;
		436
		437	$time = $TICK * .6 if $time > $TICK * .6;
		438	my $sig = new Coro::Signal;
		439
		440	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		441	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		442	$SLOT_QUEUE->ready;
		443	$sig->wait;
265	}	444	}
266		445
267	=item cf::async { BLOCK }	446	=item cf::async { BLOCK }
268		447
269	Currently the same as Coro::async_pool, meaning you cannot use	448	Currently the same as Coro::async_pool, meaning you cannot use
…		…
274		453
275	BEGIN { *async = \&Coro::async_pool }	454	BEGIN { *async = \&Coro::async_pool }
276		455
277	=item cf::sync_job { BLOCK }	456	=item cf::sync_job { BLOCK }
278		457
279	The design of crossfire+ requires that the main coro ($Coro::main) is	458	The design of Deliantra requires that the main coroutine ($Coro::main)
280	always able to handle events or runnable, as crossfire+ is only partly	459	is always able to handle events or runnable, as Deliantra is only
281	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	460	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		461	acceptable.
282		462
283	If it must be done, put the blocking parts into C<sync_job>. This will run	463	If it must be done, put the blocking parts into C<sync_job>. This will run
284	the given BLOCK in another coroutine while waiting for the result. The	464	the given BLOCK in another coroutine while waiting for the result. The
285	server will be frozen during this time, so the block should either finish	465	server will be frozen during this time, so the block should either finish
286	fast or be very important.	466	fast or be very important.
…		…
289		469
290	sub sync_job(&) {	470	sub sync_job(&) {
291	my ($job) = @_;	471	my ($job) = @_;
292		472
293	if ($Coro::current == $Coro::main) {	473	if ($Coro::current == $Coro::main) {
		474	my $time = EV::time;
		475
294	# this is the main coro, too bad, we have to block	476	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	477	# till the operation succeeds, freezing the server :/
296		478
297	# TODO: use suspend/resume instead	479	LOG llevError, Carp::longmess "sync job";#d#
298	# (but this is cancel-safe)	480
299	my $freeze_guard = freeze_mainloop;	481	my $freeze_guard = freeze_mainloop;
300		482
301	my $busy = 1;	483	my $busy = 1;
302	my @res;	484	my @res;
303		485
304	(async {	486	(async {
		487	$Coro::current->desc ("sync job coro");
305	@res = eval { $job->() };	488	@res = eval { $job->() };
306	warn $@ if $@;	489	warn $@ if $@;
307	undef $busy;	490	undef $busy;
308	})->prio (Coro::PRIO_MAX);	491	})->prio (Coro::PRIO_MAX);
309		492
310	while ($busy) {	493	while ($busy) {
311	Coro::cede or Event::one_event;	494	if (Coro::nready) {
		495	Coro::cede_notself;
		496	} else {
		497	EV::loop EV::LOOP_ONESHOT;
312	}	498	}
		499	}
		500
		501	my $time = EV::time - $time;
		502
		503	$TICK_START += $time; # do not account sync jobs to server load
313		504
314	wantarray ? @res : $res[0]	505	wantarray ? @res : $res[0]
315	} else {	506	} else {
316	# we are in another coroutine, how wonderful, everything just works	507	# we are in another coroutine, how wonderful, everything just works
317		508
…		…
337	$EXT_CORO{$coro+0} = $coro;	528	$EXT_CORO{$coro+0} = $coro;
338		529
339	$coro	530	$coro
340	}	531	}
341		532
342	sub write_runtime {	533	=item fork_call { }, $args
343	return unless $TICK_WATCHER->is_active;
344		534
345	my $runtime = cf::localdir . "/runtime";	535	Executes the given code block with the given arguments in a seperate
		536	process, returning the results. Everything must be serialisable with
		537	Coro::Storable. May, of course, block. Note that the executed sub may
		538	never block itself or use any form of event handling.
346		539
347	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	540	=cut
348	or return;
349		541
350	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	542	sub fork_call(&@) {
351	(aio_write $fh, 0, (length $value), $value, 0) <= 0	543	my ($cb, @args) = @_;
352	and return;
353		544
354	aio_fsync $fh	545	# we seemingly have to make a local copy of the whole thing,
355	and return;	546	# otherwise perl prematurely frees the stuff :/
		547	# TODO: investigate and fix (likely this will be rather laborious)
356		548
357	close $fh	549	my @res = Coro::Util::fork_eval {
358	or return;	550	reset_signals;
		551	&$cb
		552	}, @args;
359		553
360	aio_rename "$runtime~", $runtime	554	wantarray ? @res : $res[-1]
361	and return;	555	}
362		556
		557	=item $coin = coin_from_name $name
		558
		559	=cut
		560
		561	our %coin_alias = (
		562	"silver" => "silvercoin",
		563	"silvercoin" => "silvercoin",
		564	"silvercoins" => "silvercoin",
		565	"gold" => "goldcoin",
		566	"goldcoin" => "goldcoin",
		567	"goldcoins" => "goldcoin",
		568	"platinum" => "platinacoin",
		569	"platinumcoin" => "platinacoin",
		570	"platinumcoins" => "platinacoin",
		571	"platina" => "platinacoin",
		572	"platinacoin" => "platinacoin",
		573	"platinacoins" => "platinacoin",
		574	"royalty" => "royalty",
		575	"royalties" => "royalty",
		576	);
		577
		578	sub coin_from_name($) {
		579	$coin_alias{$_[0]}
		580	? cf::arch::find $coin_alias{$_[0]}
		581	: undef
		582	}
		583
		584	=item $value = cf::db_get $family => $key
		585
		586	Returns a single value from the environment database.
		587
		588	=item cf::db_put $family => $key => $value
		589
		590	Stores the given C<$value> in the family. It can currently store binary
		591	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		592
		593	=item $db = cf::db_table "name"
		594
		595	Create and/or open a new database table. The string must not be "db" and must be unique
		596	within each server.
		597
		598	=cut
		599
		600	sub db_table($) {
		601	my ($name) = @_;
		602	my $db = BDB::db_create $DB_ENV;
		603
		604	eval {
		605	$db->set_flags (BDB::CHKSUM);
		606
		607	utf8::encode $name;
		608	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		609	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		610	cf::cleanup "db_open(db): $!" if $!;
		611	};
		612	cf::cleanup "db_open(db): $@" if $@;
		613
		614	$db
		615	}
		616
		617	our $DB;
		618
		619	sub db_init {
		620	cf::sync_job {
		621	$DB ||= db_table "db";
		622	};
		623	}
		624
		625	sub db_get($$) {
		626	my $key = "$_[0]/$_[1]";
		627
		628	cf::sync_job {
		629	BDB::db_get $DB, undef, $key, my $data;
		630
		631	$! ? ()
		632	: $data
363	1	633	}
		634	}
		635
		636	sub db_put($$$) {
		637	BDB::dbreq_pri 4;
		638	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		639	}
		640
		641	=item cf::cache $id => [$paths...], $processversion => $process
		642
		643	Generic caching function that returns the value of the resource $id,
		644	caching and regenerating as required.
		645
		646	This function can block.
		647
		648	=cut
		649
		650	sub cache {
		651	my ($id, $src, $processversion, $process) = @_;
		652
		653	my $meta =
		654	join "\x00",
		655	$processversion,
		656	map {
		657	aio_stat $_
		658	and Carp::croak "$_: $!";
		659
		660	($_, (stat _)[7,9])
		661	} @$src;
		662
		663	my $dbmeta = db_get cache => "$id/meta";
		664	if ($dbmeta ne $meta) {
		665	# changed, we may need to process
		666
		667	my @data;
		668	my $md5;
		669
		670	for (0 .. $#$src) {
		671	0 <= aio_load $src->[$_], $data[$_]
		672	or Carp::croak "$src->[$_]: $!";
		673	}
		674
		675	# if processing is expensive, check
		676	# checksum first
		677	if (1) {
		678	$md5 =
		679	join "\x00",
		680	$processversion,
		681	map {
		682	cf::cede_to_tick;
		683	($src->[$_], Digest::MD5::md5_hex $data[$_])
		684	} 0.. $#$src;
		685
		686
		687	my $dbmd5 = db_get cache => "$id/md5";
		688	if ($dbmd5 eq $md5) {
		689	db_put cache => "$id/meta", $meta;
		690
		691	return db_get cache => "$id/data";
		692	}
		693	}
		694
		695	my $t1 = Time::HiRes::time;
		696	my $data = $process->(\@data);
		697	my $t2 = Time::HiRes::time;
		698
		699	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		700
		701	db_put cache => "$id/data", $data;
		702	db_put cache => "$id/md5" , $md5;
		703	db_put cache => "$id/meta", $meta;
		704
		705	return $data;
		706	}
		707
		708	db_get cache => "$id/data"
		709	}
		710
		711	=item cf::datalog type => key => value, ...
		712
		713	Log a datalog packet of the given type with the given key-value pairs.
		714
		715	=cut
		716
		717	sub datalog($@) {
		718	my ($type, %kv) = @_;
		719	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
364	}	720	}
365		721
366	=back	722	=back
367		723
368	=cut	724	=cut
…		…
375	attach callbacks/event handlers (a collection of which is called an "attachment")	731	attach callbacks/event handlers (a collection of which is called an "attachment")
376	to it. All such attachable objects support the following methods.	732	to it. All such attachable objects support the following methods.
377		733
378	In the following description, CLASS can be any of C<global>, C<object>	734	In the following description, CLASS can be any of C<global>, C<object>
379	C<player>, C<client> or C<map> (i.e. the attachable objects in	735	C<player>, C<client> or C<map> (i.e. the attachable objects in
380	crossfire+).	736	Deliantra).
381		737
382	=over 4	738	=over 4
383		739
384	=item $attachable->attach ($attachment, key => $value...)	740	=item $attachable->attach ($attachment, key => $value...)
385		741
…		…
499	our @CB_TYPE = (); # registry for type (cf-object class) based events	855	our @CB_TYPE = (); # registry for type (cf-object class) based events
500	our @CB_MAP = ();	856	our @CB_MAP = ();
501		857
502	my %attachment;	858	my %attachment;
503		859
		860	sub cf::attachable::thawer_merge {
		861	# simply override everything except _meta
		862	local $_[0]{_meta};
		863	%{$_[0]} = %{$_[1]};
		864	}
		865
504	sub _attach_cb($$$$) {	866	sub _attach_cb($$$$) {
505	my ($registry, $event, $prio, $cb) = @_;	867	my ($registry, $event, $prio, $cb) = @_;
506		868
507	use sort 'stable';	869	use sort 'stable';
508		870
…		…
542	$registry = $CB_TYPE[$object_type] ||= [];	904	$registry = $CB_TYPE[$object_type] ||= [];
543		905
544	} elsif ($type eq "subtype") {	906	} elsif ($type eq "subtype") {
545	defined $object_type or Carp::croak "subtype specified without type";	907	defined $object_type or Carp::croak "subtype specified without type";
546	my $object_subtype = shift @arg;	908	my $object_subtype = shift @arg;
547	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	909	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
548		910
549	} elsif ($type eq "package") {	911	} elsif ($type eq "package") {
550	my $pkg = shift @arg;	912	my $pkg = shift @arg;
551		913
552	while (my ($name, $id) = each %cb_id) {	914	while (my ($name, $id) = each %cb_id) {
…		…
581	_attach $registry, $klass, @attach;	943	_attach $registry, $klass, @attach;
582	}	944	}
583		945
584	$obj->{$name} = \%arg;	946	$obj->{$name} = \%arg;
585	} else {	947	} else {
586	warn "object uses attachment '$name' that is not available, postponing.\n";	948	warn "object uses attachment '$name' which is not available, postponing.\n";
587	}	949	}
588		950
589	$obj->{_attachment}{$name} = undef;	951	$obj->{_attachment}{$name} = undef;
590	}	952	}
591		953
…		…
593	if (ref $_[0]) {	955	if (ref $_[0]) {
594	_object_attach @_;	956	_object_attach @_;
595	} else {	957	} else {
596	_attach shift->_attach_registry, @_;	958	_attach shift->_attach_registry, @_;
597	}	959	}
		960	_recalc_want;
598	};	961	};
599		962
600	# all those should be optimised	963	# all those should be optimised
601	sub cf::attachable::detach {	964	sub cf::attachable::detach {
602	my ($obj, $name) = @_;	965	my ($obj, $name) = @_;
…		…
605	delete $obj->{_attachment}{$name};	968	delete $obj->{_attachment}{$name};
606	reattach ($obj);	969	reattach ($obj);
607	} else {	970	} else {
608	Carp::croak "cannot, currently, detach class attachments";	971	Carp::croak "cannot, currently, detach class attachments";
609	}	972	}
		973	_recalc_want;
610	};	974	};
611		975
612	sub cf::attachable::attached {	976	sub cf::attachable::attached {
613	my ($obj, $name) = @_;	977	my ($obj, $name) = @_;
614		978
…		…
629	";	993	";
630	die if $@;	994	die if $@;
631	}	995	}
632		996
633	our $override;	997	our $override;
634	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	998	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
635		999
636	sub override {	1000	sub override {
637	$override = 1;	1001	$override = 1;
638	@invoke_results = ();	1002	@INVOKE_RESULTS = (@_);
639	}	1003	}
640		1004
641	sub do_invoke {	1005	sub do_invoke {
642	my $event = shift;	1006	my $event = shift;
643	my $callbacks = shift;	1007	my $callbacks = shift;
644		1008
645	@invoke_results = ();	1009	@INVOKE_RESULTS = ();
646		1010
647	local $override;	1011	local $override;
648		1012
649	for (@$callbacks) {	1013	for (@$callbacks) {
650	eval { &{$_->[1]} };	1014	eval { &{$_->[1]} };
…		…
659	}	1023	}
660		1024
661	0	1025	0
662	}	1026	}
663		1027
664	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1028	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
665		1029
666	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
667		1031
668	Generate an object-specific event with the given arguments.	1032	Generate an object-specific event with the given arguments.
669		1033
670	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1034	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
671	removed in future versions), and there is no public API to access override	1035	removed in future versions), and there is no public API to access override
672	results (if you must, access C<@cf::invoke_results> directly).	1036	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
673		1037
674	=back	1038	=back
675		1039
676	=cut	1040	=cut
677		1041
678	#############################################################################	1042	#############################################################################
679	# object support	1043	# object support
		1044
		1045	sub _object_equal($$);
		1046	sub _object_equal($$) {
		1047	my ($a, $b) = @_;
		1048
		1049	return 0 unless (ref $a) eq (ref $b);
		1050
		1051	if ("HASH" eq ref $a) {
		1052	my @ka = keys %$a;
		1053	my @kb = keys %$b;
		1054
		1055	return 0 if @ka != @kb;
		1056
		1057	for (0 .. $#ka) {
		1058	return 0 unless $ka[$_] eq $kb[$_];
		1059	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1060	}
		1061
		1062	} elsif ("ARRAY" eq ref $a) {
		1063
		1064	return 0 if @$a != @$b;
		1065
		1066	for (0 .. $#$a) {
		1067	return 0 unless _object_equal $a->[$_], $b->[$_];
		1068	}
		1069
		1070	} elsif ($a ne $b) {
		1071	return 0;
		1072	}
		1073
		1074	1
		1075	}
		1076
		1077	our $SLOW_MERGES;#d#
		1078	sub _can_merge {
		1079	my ($ob1, $ob2) = @_;
		1080
		1081	++$SLOW_MERGES;#d#
		1082
		1083	# we do the slow way here
		1084	return _object_equal $ob1, $ob2
		1085	}
680		1086
681	sub reattach {	1087	sub reattach {
682	# basically do the same as instantiate, without calling instantiate	1088	# basically do the same as instantiate, without calling instantiate
683	my ($obj) = @_;	1089	my ($obj) = @_;
		1090
		1091	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
684		1092
685	my $registry = $obj->registry;	1093	my $registry = $obj->registry;
686		1094
687	@$registry = ();	1095	@$registry = ();
688		1096
…		…
703	cf::attachable->attach (	1111	cf::attachable->attach (
704	prio => -1000000,	1112	prio => -1000000,
705	on_instantiate => sub {	1113	on_instantiate => sub {
706	my ($obj, $data) = @_;	1114	my ($obj, $data) = @_;
707		1115
708	$data = from_json $data;	1116	$data = decode_json $data;
709		1117
710	for (@$data) {	1118	for (@$data) {
711	my ($name, $args) = @$_;	1119	my ($name, $args) = @$_;
712		1120
713	$obj->attach ($name, %{$args || {} });	1121	$obj->attach ($name, %{$args || {} });
…		…
729	sub object_freezer_save {	1137	sub object_freezer_save {
730	my ($filename, $rdata, $objs) = @_;	1138	my ($filename, $rdata, $objs) = @_;
731		1139
732	sync_job {	1140	sync_job {
733	if (length $$rdata) {	1141	if (length $$rdata) {
		1142	utf8::decode (my $decname = $filename);
734	warn sprintf "saving %s (%d,%d)\n",	1143	warn sprintf "saving %s (%d,%d)\n",
735	$filename, length $$rdata, scalar @$objs;	1144	$decname, length $$rdata, scalar @$objs;
736		1145
737	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1146	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
738	chmod SAVE_MODE, $fh;	1147	aio_chmod $fh, SAVE_MODE;
739	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1148	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
740	aio_fsync $fh;	1149	aio_fsync $fh if $cf::USE_FSYNC;
741	close $fh;	1150	aio_close $fh;
742		1151
743	if (@$objs) {	1152	if (@$objs) {
744	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1153	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
745	chmod SAVE_MODE, $fh;	1154	aio_chmod $fh, SAVE_MODE;
746	my $data = Storable::nfreeze { version => 1, objs => $objs };	1155	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
747	aio_write $fh, 0, (length $data), $data, 0;	1156	aio_write $fh, 0, (length $data), $data, 0;
748	aio_fsync $fh;	1157	aio_fsync $fh if $cf::USE_FSYNC;
749	close $fh;	1158	aio_close $fh;
750	aio_rename "$filename.pst~", "$filename.pst";	1159	aio_rename "$filename.pst~", "$filename.pst";
751	}	1160	}
752	} else {	1161	} else {
753	aio_unlink "$filename.pst";	1162	aio_unlink "$filename.pst";
754	}	1163	}
…		…
759	}	1168	}
760	} else {	1169	} else {
761	aio_unlink $filename;	1170	aio_unlink $filename;
762	aio_unlink "$filename.pst";	1171	aio_unlink "$filename.pst";
763	}	1172	}
764	}	1173	};
765	}	1174	}
766		1175
767	sub object_freezer_as_string {	1176	sub object_freezer_as_string {
768	my ($rdata, $objs) = @_;	1177	my ($rdata, $objs) = @_;
769		1178
…		…
781	or return;	1190	or return;
782		1191
783	unless (aio_stat "$filename.pst") {	1192	unless (aio_stat "$filename.pst") {
784	(aio_load "$filename.pst", $av) >= 0	1193	(aio_load "$filename.pst", $av) >= 0
785	or return;	1194	or return;
		1195
786	$av = eval { (Storable::thaw $av)->{objs} };	1196	my $st = eval { Coro::Storable::thaw $av };
		1197	$av = $st->{objs};
787	}	1198	}
788		1199
		1200	utf8::decode (my $decname = $filename);
789	warn sprintf "loading %s (%d)\n",	1201	warn sprintf "loading %s (%d,%d)\n",
790	$filename, length $data, scalar @{$av || []};#d#	1202	$decname, length $data, scalar @{$av || []};
		1203
791	return ($data, $av);	1204	($data, $av)
792	}	1205	}
		1206
		1207	=head2 COMMAND CALLBACKS
		1208
		1209	=over 4
		1210
		1211	=cut
793		1212
794	#############################################################################	1213	#############################################################################
795	# command handling &c	1214	# command handling &c
796		1215
797	=item cf::register_command $name => \&callback($ob,$args);	1216	=item cf::register_command $name => \&callback($ob,$args);
…		…
810	push @{ $COMMAND{$name} }, [$caller, $cb];	1229	push @{ $COMMAND{$name} }, [$caller, $cb];
811	}	1230	}
812		1231
813	=item cf::register_extcmd $name => \&callback($pl,$packet);	1232	=item cf::register_extcmd $name => \&callback($pl,$packet);
814		1233
815	Register a callbackf ro execution when the client sends an extcmd packet.	1234	Register a callback for execution when the client sends an (synchronous)
		1235	extcmd packet. Ext commands will be processed in the order they are
		1236	received by the server, like other user commands. The first argument is
		1237	the logged-in player. Ext commands can only be processed after a player
		1238	has logged in successfully.
816		1239
817	If the callback returns something, it is sent back as if reply was being	1240	If the callback returns something, it is sent back as if reply was being
818	called.	1241	called.
819		1242
		1243	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1244
		1245	Register a callback for execution when the client sends an (asynchronous)
		1246	exticmd packet. Exti commands are processed by the server as soon as they
		1247	are received, i.e. out of order w.r.t. other commands. The first argument
		1248	is a client socket. Exti commands can be received anytime, even before
		1249	log-in.
		1250
		1251	If the callback returns something, it is sent back as if reply was being
		1252	called.
		1253
820	=cut	1254	=cut
821		1255
822	sub register_extcmd {	1256	sub register_extcmd {
823	my ($name, $cb) = @_;	1257	my ($name, $cb) = @_;
824		1258
825	$EXTCMD{$name} = $cb;	1259	$EXTCMD{$name} = $cb;
		1260	}
		1261
		1262	sub register_exticmd {
		1263	my ($name, $cb) = @_;
		1264
		1265	$EXTICMD{$name} = $cb;
826	}	1266	}
827		1267
828	cf::player->attach (	1268	cf::player->attach (
829	on_command => sub {	1269	on_command => sub {
830	my ($pl, $name, $params) = @_;	1270	my ($pl, $name, $params) = @_;
…		…
839	cf::override;	1279	cf::override;
840	},	1280	},
841	on_extcmd => sub {	1281	on_extcmd => sub {
842	my ($pl, $buf) = @_;	1282	my ($pl, $buf) = @_;
843		1283
844	my $msg = eval { from_json $buf };	1284	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
845		1285
846	if (ref $msg) {	1286	if (ref $msg) {
		1287	my ($type, $reply, @payload) =
		1288	"ARRAY" eq ref $msg
		1289	? @$msg
		1290	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1291
		1292	my @reply;
		1293
847	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1294	if (my $cb = $EXTCMD{$type}) {
848	if (my %reply = $cb->($pl, $msg)) {	1295	@reply = $cb->($pl, @payload);
849	$pl->ext_reply ($msg->{msgid}, %reply);
850	}
851	}	1296	}
		1297
		1298	$pl->ext_reply ($reply, @reply)
		1299	if $reply;
		1300
852	} else {	1301	} else {
853	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1302	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
854	}	1303	}
855		1304
856	cf::override;	1305	cf::override;
857	},	1306	},
858	);	1307	);
859		1308
860	sub load_extension {
861	my ($path) = @_;
862
863	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
864	my $base = $1;
865	my $pkg = $1;
866	$pkg =~ s/[^[:word:]]/_/g;
867	$pkg = "ext::$pkg";
868
869	warn "... loading '$path' into '$pkg'\n";
870
871	open my $fh, "<:utf8", $path
872	or die "$path: $!";
873
874	my $source =
875	"package $pkg; use strict; use utf8;\n"
876	. "#line 1 \"$path\"\n{\n"
877	. (do { local $/; <$fh> })
878	. "\n};\n1";
879
880	unless (eval $source) {
881	my $msg = $@ ? "$path: $@\n"
882	: "extension disabled.\n";
883	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
884	warn $@;
885	warn "mandatory extension failed to load, exiting.\n";
886	exit 1;
887	}
888	die $@;
889	}
890
891	push @EXTS, $pkg;
892	}
893
894	sub load_extensions {	1309	sub load_extensions {
		1310	cf::sync_job {
		1311	my %todo;
		1312
895	for my $ext (<$LIBDIR/*.ext>) {	1313	for my $path (<$LIBDIR/*.ext>) {
896	next unless -r $ext;	1314	next unless -r $path;
897	eval {	1315
898	load_extension $ext;	1316	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1317	my $base = $1;
		1318	my $pkg = $1;
		1319	$pkg =~ s/[^[:word:]]/_/g;
		1320	$pkg = "ext::$pkg";
		1321
		1322	open my $fh, "<:utf8", $path
		1323	or die "$path: $!";
		1324
		1325	my $source = do { local $/; <$fh> };
		1326
		1327	my %ext = (
		1328	path => $path,
		1329	base => $base,
		1330	pkg => $pkg,
		1331	);
		1332
		1333	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1334	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1335
		1336	$ext{source} =
		1337	"package $pkg; use strict; use utf8;\n"
		1338	. "#line 1 \"$path\"\n{\n"
		1339	. $source
		1340	. "\n};\n1";
		1341
		1342	$todo{$base} = \%ext;
		1343	}
		1344
		1345	my %done;
		1346	while (%todo) {
		1347	my $progress;
		1348
		1349	while (my ($k, $v) = each %todo) {
		1350	for (split /,\s*/, $v->{meta}{depends}) {
		1351	goto skip
		1352	unless exists $done{$_};
		1353	}
		1354
		1355	warn "... loading '$k' into '$v->{pkg}'\n";
		1356
		1357	unless (eval $v->{source}) {
		1358	my $msg = $@ ? "$v->{path}: $@\n"
		1359	: "$v->{base}: extension inactive.\n";
		1360
		1361	if (exists $v->{meta}{mandatory}) {
		1362	warn $msg;
		1363	cf::cleanup "mandatory extension failed to load, exiting.";
		1364	}
		1365
		1366	warn $msg;
		1367	}
		1368
		1369	$done{$k} = delete $todo{$k};
		1370	push @EXTS, $v->{pkg};
		1371	$progress = 1;
899	1	1372	}
900	} or warn "$ext not loaded: $@";	1373
		1374	skip:
		1375	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1376	unless $progress;
		1377	}
901	}	1378	};
902	}	1379	}
903		1380
904	#############################################################################	1381	#############################################################################
905	# load/save/clean perl data associated with a map
906		1382
907	*cf::mapsupport::on_clean = sub {	1383	=back
908	my ($map) = @_;
909
910	my $path = $map->tmpname;
911	defined $path or return;
912
913	unlink "$path.pst";
914	};
915
916	cf::map->attach (prio => -10000, package => cf::mapsupport::);
917
918	#############################################################################
919		1384
920	=head2 CORE EXTENSIONS	1385	=head2 CORE EXTENSIONS
921		1386
922	Functions and methods that extend core crossfire objects.	1387	Functions and methods that extend core crossfire objects.
923		1388
…		…
929		1394
930	=head3 cf::player	1395	=head3 cf::player
931		1396
932	=over 4	1397	=over 4
933		1398
		1399	=item cf::player::num_playing
		1400
		1401	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1402
		1403	=cut
		1404
		1405	sub num_playing {
		1406	scalar grep
		1407	$_->ob->map
		1408	&& !$_->hidden
		1409	&& !$_->ob->flag (cf::FLAG_WIZ),
		1410	cf::player::list
		1411	}
		1412
934	=item cf::player::find $login	1413	=item cf::player::find $login
935		1414
936	Returns the given player object, loading it if necessary (might block).	1415	Returns the given player object, loading it if necessary (might block).
937		1416
938	=cut	1417	=cut
939		1418
940	sub playerdir($) {	1419	sub playerdir($) {
941	cf::localdir	1420	"$PLAYERDIR/"
942	. "/"
943	. cf::playerdir
944	. "/"
945	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1421	. (ref $_[0] ? $_[0]->ob->name : $_[0])
946	}	1422	}
947		1423
948	sub path($) {	1424	sub path($) {
949	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1425	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
950		1426
951	(playerdir $login) . "/$login.pl"	1427	(playerdir $login) . "/playerdata"
952	}	1428	}
953		1429
954	sub find_active($) {	1430	sub find_active($) {
955	$cf::PLAYER{$_[0]}	1431	$cf::PLAYER{$_[0]}
956	and $cf::PLAYER{$_[0]}->active	1432	and $cf::PLAYER{$_[0]}->active
…		…
959		1435
960	sub exists($) {	1436	sub exists($) {
961	my ($login) = @_;	1437	my ($login) = @_;
962		1438
963	$cf::PLAYER{$login}	1439	$cf::PLAYER{$login}
964	or cf::sync_job { !aio_stat $login }	1440	or cf::sync_job { !aio_stat path $login }
965	}	1441	}
966		1442
967	sub find($) {	1443	sub find($) {
968	return $cf::PLAYER{$_[0]} || do {	1444	return $cf::PLAYER{$_[0]} || do {
969	my $login = $_[0];	1445	my $login = $_[0];
970		1446
971	my $guard = cf::lock_acquire "user_find:$login";	1447	my $guard = cf::lock_acquire "user_find:$login";
972		1448
973	$cf::PLAYER{$_[0]} || do {	1449	$cf::PLAYER{$_[0]} || do {
974	my $pl = load_pl path $login	1450	# rename old playerfiles to new ones
		1451	#TODO: remove when no longer required
		1452	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1453	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1454	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1455	aio_unlink +(playerdir $login) . "/$login.pl";
		1456
		1457	my $f = new_from_file cf::object::thawer path $login
975	or return;	1458	or return;
		1459
		1460	my $pl = cf::player::load_pl $f
		1461	or return;
		1462
		1463	local $cf::PLAYER_LOADING{$login} = $pl;
		1464	$f->resolve_delayed_derefs;
976	$cf::PLAYER{$login} = $pl	1465	$cf::PLAYER{$login} = $pl
977	}	1466	}
978	}	1467	}
979	}	1468	}
980		1469
…		…
989	return if $pl->{deny_save};	1478	return if $pl->{deny_save};
990		1479
991	aio_mkdir playerdir $pl, 0770;	1480	aio_mkdir playerdir $pl, 0770;
992	$pl->{last_save} = $cf::RUNTIME;	1481	$pl->{last_save} = $cf::RUNTIME;
993		1482
		1483	cf::get_slot 0.01;
		1484
994	$pl->save_pl ($path);	1485	$pl->save_pl ($path);
995	Coro::cede;	1486	cf::cede_to_tick;
996	}	1487	}
997		1488
998	sub new($) {	1489	sub new($) {
999	my ($login) = @_;	1490	my ($login) = @_;
1000		1491
…		…
1006	$cf::PLAYER{$login} = $self;	1497	$cf::PLAYER{$login} = $self;
1007		1498
1008	$self	1499	$self
1009	}	1500	}
1010		1501
		1502	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1503
		1504	=cut
		1505
		1506	sub send_msg {
		1507	my $ns = shift->ns
		1508	or return;
		1509	$ns->send_msg (@_);
		1510	}
		1511
1011	=item $pl->quit_character	1512	=item $pl->quit_character
1012		1513
1013	Nukes the player without looking back. If logged in, the connection will	1514	Nukes the player without looking back. If logged in, the connection will
1014	be destroyed. May block for a long time.	1515	be destroyed. May block for a long time.
1015		1516
1016	=cut	1517	=cut
1017		1518
1018	sub quit_character {	1519	sub quit_character {
1019	my ($pl) = @_;	1520	my ($pl) = @_;
1020		1521
		1522	my $name = $pl->ob->name;
		1523
1021	$pl->{deny_save} = 1;	1524	$pl->{deny_save} = 1;
1022	$pl->password ("*"); # this should lock out the player until we nuked the dir	1525	$pl->password ("*"); # this should lock out the player until we nuked the dir
1023		1526
1024	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1527	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1025	$pl->deactivate;	1528	$pl->deactivate;
		1529	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1530	$pl->ob->check_score;
1026	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1531	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1027	$pl->ns->destroy if $pl->ns;	1532	$pl->ns->destroy if $pl->ns;
1028		1533
1029	my $path = playerdir $pl;	1534	my $path = playerdir $pl;
1030	my $temp = "$path~$cf::RUNTIME~deleting~";	1535	my $temp = "$path~$cf::RUNTIME~deleting~";
1031	aio_rename $path, $temp;	1536	aio_rename $path, $temp;
1032	delete $cf::PLAYER{$pl->ob->name};	1537	delete $cf::PLAYER{$pl->ob->name};
1033	$pl->destroy;	1538	$pl->destroy;
		1539
		1540	my $prefix = qr<^~\Q$name\E/>;
		1541
		1542	# nuke player maps
		1543	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1544
1034	IO::AIO::aio_rmtree $temp;	1545	IO::AIO::aio_rmtree $temp;
		1546	}
		1547
		1548	=item $pl->kick
		1549
		1550	Kicks a player out of the game. This destroys the connection.
		1551
		1552	=cut
		1553
		1554	sub kick {
		1555	my ($pl, $kicker) = @_;
		1556
		1557	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1558	$pl->killer ("kicked");
		1559	$pl->ns->destroy;
1035	}	1560	}
1036		1561
1037	=item cf::player::list_logins	1562	=item cf::player::list_logins
1038		1563
1039	Returns am arrayref of all valid playernames in the system, can take a	1564	Returns am arrayref of all valid playernames in the system, can take a
1040	while and may block, so not sync_job-capable, ever.	1565	while and may block, so not sync_job-capable, ever.
1041		1566
1042	=cut	1567	=cut
1043		1568
1044	sub list_logins {	1569	sub list_logins {
1045	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1570	my $dirs = aio_readdir $PLAYERDIR
1046	or return [];	1571	or return [];
1047		1572
1048	my @logins;	1573	my @logins;
1049		1574
1050	for my $login (@$dirs) {	1575	for my $login (@$dirs) {
		1576	my $path = path $login;
		1577
		1578	# a .pst is a dead give-away for a valid player
		1579	# if no pst file found, open and chekc for blocked users
		1580	if (aio_stat "$path.pst") {
1051	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1581	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1052	aio_read $fh, 0, 512, my $buf, 0 or next;	1582	aio_read $fh, 0, 512, my $buf, 0 or next;
1053	$buf !~ /^password -------------$/m or next; # official not-valid tag	1583	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1584	}
1054		1585
1055	utf8::decode $login;	1586	utf8::decode $login;
1056	push @logins, $login;	1587	push @logins, $login;
1057	}	1588	}
1058		1589
…		…
1066		1597
1067	=cut	1598	=cut
1068		1599
1069	sub maps($) {	1600	sub maps($) {
1070	my ($pl) = @_;	1601	my ($pl) = @_;
		1602
		1603	$pl = ref $pl ? $pl->ob->name : $pl;
1071		1604
1072	my $files = aio_readdir playerdir $pl	1605	my $files = aio_readdir playerdir $pl
1073	or return;	1606	or return;
1074		1607
1075	my @paths;	1608	my @paths;
…		…
1077	for (@$files) {	1610	for (@$files) {
1078	utf8::decode $_;	1611	utf8::decode $_;
1079	next if /\.(?:pl|pst)$/;	1612	next if /\.(?:pl|pst)$/;
1080	next unless /^$PATH_SEP/o;	1613	next unless /^$PATH_SEP/o;
1081		1614
1082	push @paths, "~" . $pl->ob->name . "/" . $_;	1615	push @paths, cf::map::normalise "~$pl/$_";
1083	}	1616	}
1084		1617
1085	\@paths	1618	\@paths
1086	}	1619	}
1087		1620
		1621	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1622
		1623	Expand crossfire pod fragments into protocol xml.
		1624
		1625	=cut
		1626
		1627	use re 'eval';
		1628
		1629	my $group;
		1630	my $interior; $interior = qr{
		1631	# match a pod interior sequence sans C<< >>
		1632	(?:
		1633	\ (.*?)\ (?{ $group = $^N })
		1634	| < (??{$interior}) >
		1635	)
		1636	}x;
		1637
		1638	sub expand_cfpod {
		1639	my ($self, $pod) = @_;
		1640
		1641	my $xml;
		1642
		1643	while () {
		1644	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1645	$group = $1;
		1646
		1647	$group =~ s/&/&amp;/g;
		1648	$group =~ s/</&lt;/g;
		1649
		1650	$xml .= $group;
		1651	} elsif ($pod =~ m%\G
		1652	([BCGHITU])
		1653	<
		1654	(?:
		1655	([^<>]*) (?{ $group = $^N })
		1656	| < $interior >
		1657	)
		1658	>
		1659	%gcsx
		1660	) {
		1661	my ($code, $data) = ($1, $group);
		1662
		1663	if ($code eq "B") {
		1664	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1665	} elsif ($code eq "I") {
		1666	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1667	} elsif ($code eq "U") {
		1668	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1669	} elsif ($code eq "C") {
		1670	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1671	} elsif ($code eq "T") {
		1672	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1673	} elsif ($code eq "G") {
		1674	my ($male, $female) = split /\|/, $data;
		1675	$data = $self->gender ? $female : $male;
		1676	$xml .= expand_cfpod ($self, $data);
		1677	} elsif ($code eq "H") {
		1678	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1679	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1680	"")
		1681	[$self->{hintmode}];
		1682	} else {
		1683	$xml .= "error processing '$code($data)' directive";
		1684	}
		1685	} else {
		1686	if ($pod =~ /\G(.+)/) {
		1687	warn "parse error while expanding $pod (at $1)";
		1688	}
		1689	last;
		1690	}
		1691	}
		1692
		1693	for ($xml) {
		1694	# create single paragraphs (very hackish)
		1695	s/(?<=\S)\n(?=\w)/ /g;
		1696
		1697	# compress some whitespace
		1698	s/\s+\n/\n/g; # ws line-ends
		1699	s/\n\n+/\n/g; # double lines
		1700	s/^\n+//; # beginning lines
		1701	s/\n+$//; # ending lines
		1702	}
		1703
		1704	$xml
		1705	}
		1706
		1707	no re 'eval';
		1708
		1709	sub hintmode {
		1710	$_[0]{hintmode} = $_[1] if @_ > 1;
		1711	$_[0]{hintmode}
		1712	}
		1713
1088	=item $player->ext_reply ($msgid, $msgtype, %msg)	1714	=item $player->ext_reply ($msgid, @msg)
1089		1715
1090	Sends an ext reply to the player.	1716	Sends an ext reply to the player.
1091		1717
1092	=cut	1718	=cut
1093		1719
1094	sub ext_reply($$$%) {	1720	sub ext_reply($$@) {
1095	my ($self, $id, %msg) = @_;	1721	my ($self, $id, @msg) = @_;
1096		1722
1097	$msg{msgid} = $id;	1723	$self->ns->ext_reply ($id, @msg)
1098
1099	$self->send ("ext " . cf::to_json \%msg);
1100	}	1724	}
1101		1725
1102	package cf;	1726	=item $player->ext_msg ($type, @msg)
		1727
		1728	Sends an ext event to the client.
		1729
		1730	=cut
		1731
		1732	sub ext_msg($$@) {
		1733	my ($self, $type, @msg) = @_;
		1734
		1735	$self->ns->ext_msg ($type, @msg);
		1736	}
		1737
		1738	=head3 cf::region
		1739
		1740	=over 4
		1741
		1742	=cut
		1743
		1744	package cf::region;
		1745
		1746	=item cf::region::find_by_path $path
		1747
		1748	Tries to decuce the likely region for a map knowing only its path.
		1749
		1750	=cut
		1751
		1752	sub find_by_path($) {
		1753	my ($path) = @_;
		1754
		1755	my ($match, $specificity);
		1756
		1757	for my $region (list) {
		1758	if ($region->{match} && $path =~ $region->{match}) {
		1759	($match, $specificity) = ($region, $region->specificity)
		1760	if $region->specificity > $specificity;
		1761	}
		1762	}
		1763
		1764	$match
		1765	}
1103		1766
1104	=back	1767	=back
1105
1106		1768
1107	=head3 cf::map	1769	=head3 cf::map
1108		1770
1109	=over 4	1771	=over 4
1110		1772
…		…
1114		1776
1115	use Fcntl;	1777	use Fcntl;
1116	use Coro::AIO;	1778	use Coro::AIO;
1117		1779
1118	use overload	1780	use overload
1119	'""' => \&as_string;	1781	'""' => \&as_string,
		1782	fallback => 1;
1120		1783
1121	our $MAX_RESET = 3600;	1784	our $MAX_RESET = 3600;
1122	our $DEFAULT_RESET = 3000;	1785	our $DEFAULT_RESET = 3000;
1123		1786
1124	sub generate_random_map {	1787	sub generate_random_map {
1125	my ($self, $rmp) = @_;	1788	my ($self, $rmp) = @_;
		1789
		1790	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1126		1791
1127	# mit "rum" bekleckern, nicht	1792	# mit "rum" bekleckern, nicht
1128	$self->_create_random_map (	1793	$self->_create_random_map (
1129	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1794	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1130	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1795	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
…		…
1138	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1803	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1139	(cf::region::find $rmp->{region}), $rmp->{custom}	1804	(cf::region::find $rmp->{region}), $rmp->{custom}
1140	)	1805	)
1141	}	1806	}
1142		1807
		1808	=item cf::map->register ($regex, $prio)
		1809
		1810	Register a handler for the map path matching the given regex at the
		1811	givne priority (higher is better, built-in handlers have priority 0, the
		1812	default).
		1813
		1814	=cut
		1815
1143	sub register {	1816	sub register {
1144	my (undef, $regex) = @_;	1817	my (undef, $regex, $prio) = @_;
1145	my $pkg = caller;	1818	my $pkg = caller;
1146		1819
1147	no strict;	1820	no strict;
1148	push @{"$pkg\::ISA"}, __PACKAGE__;	1821	push @{"$pkg\::ISA"}, __PACKAGE__;
1149		1822
1150	$EXT_MAP{$pkg} = qr<$regex>;	1823	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1151	}	1824	}
1152		1825
1153	# also paths starting with '/'	1826	# also paths starting with '/'
1154	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1827	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1828
		1829	sub thawer_merge {
		1830	my ($self, $merge) = @_;
		1831
		1832	# we have to keep some variables in memory intact
		1833	local $self->{path};
		1834	local $self->{load_path};
		1835
		1836	$self->SUPER::thawer_merge ($merge);
		1837	}
1155		1838
1156	sub normalise {	1839	sub normalise {
1157	my ($path, $base) = @_;	1840	my ($path, $base) = @_;
		1841
		1842	$path = "$path"; # make sure its a string
		1843
		1844	$path =~ s/\.map$//;
1158		1845
1159	# map plan:	1846	# map plan:
1160	#	1847	#
1161	# /! non-realised random map exit (special hack!)	1848	# /! non-realised random map exit (special hack!)
1162	# {... are special paths that are not being touched	1849	# {... are special paths that are not being touched
…		…
1190		1877
1191	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1878	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1192		1879
1193	$path = normalise $path, $base;	1880	$path = normalise $path, $base;
1194		1881
1195	for my $pkg (keys %EXT_MAP) {	1882	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1196	if ($path =~ $EXT_MAP{$pkg}) {	1883	if ($path =~ $EXT_MAP{$pkg}[1]) {
1197	my $self = bless cf::map::new, $pkg;	1884	my $self = bless cf::map::new, $pkg;
1198	$self->{path} = $path; $self->path ($path);	1885	$self->{path} = $path; $self->path ($path);
1199	$self->init; # pass $1 etc.	1886	$self->init; # pass $1 etc.
1200	return $self;	1887	return $self;
1201	}	1888	}
1202	}	1889	}
1203		1890
1204	Carp::carp "unable to resolve path '$path'.";	1891	Carp::cluck "unable to resolve path '$path' (base '$base').";
1205	()	1892	()
1206	}	1893	}
1207		1894
1208	sub init {	1895	sub init {
1209	my ($self) = @_;	1896	my ($self) = @_;
…		…
1220	# the displayed name, this is a one way mapping	1907	# the displayed name, this is a one way mapping
1221	sub visible_name {	1908	sub visible_name {
1222	&as_string	1909	&as_string
1223	}	1910	}
1224		1911
1225	# escape the /'s in the path
1226	sub _escaped_path {
1227	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1228
1229	$path
1230	}
1231
1232	# the original (read-only) location	1912	# the original (read-only) location
1233	sub load_path {	1913	sub load_path {
1234	my ($self) = @_;	1914	my ($self) = @_;
1235		1915
1236	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1916	"$MAPDIR/$self->{path}.map"
1237	}	1917	}
1238		1918
1239	# the temporary/swap location	1919	# the temporary/swap location
1240	sub save_path {	1920	sub save_path {
1241	my ($self) = @_;	1921	my ($self) = @_;
1242		1922
1243	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $self->_escaped_path	1923	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1924	"$TMPDIR/$path.map"
1244	}	1925	}
1245		1926
1246	# the unique path, undef == no special unique path	1927	# the unique path, undef == no special unique path
1247	sub uniq_path {	1928	sub uniq_path {
1248	my ($self) = @_;	1929	my ($self) = @_;
1249		1930
1250	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path	1931	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1932	"$UNIQUEDIR/$path"
1251	}	1933	}
1252		1934
1253	# and all this just because we cannot iterate over	1935	# and all this just because we cannot iterate over
1254	# all maps in C++...	1936	# all maps in C++...
1255	sub change_all_map_light {	1937	sub change_all_map_light {
…		…
1257		1939
1258	$_->change_map_light ($change)	1940	$_->change_map_light ($change)
1259	for grep $_->outdoor, values %cf::MAP;	1941	for grep $_->outdoor, values %cf::MAP;
1260	}	1942	}
1261		1943
		1944	sub decay_objects {
		1945	my ($self) = @_;
		1946
		1947	return if $self->{deny_reset};
		1948
		1949	$self->do_decay_objects;
		1950	}
		1951
1262	sub unlink_save {	1952	sub unlink_save {
1263	my ($self) = @_;	1953	my ($self) = @_;
1264		1954
1265	utf8::encode (my $save = $self->save_path);	1955	utf8::encode (my $save = $self->save_path);
1266	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1956	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1267	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1957	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1268	}	1958	}
1269		1959
1270	sub load_header_from($) {	1960	sub load_header_from($) {
1271	my ($self, $path) = @_;	1961	my ($self, $path) = @_;
1272		1962
1273	utf8::encode $path;	1963	utf8::encode $path;
1274	aio_open $path, O_RDONLY, 0	1964	my $f = new_from_file cf::object::thawer $path
1275	or return;	1965	or return;
1276		1966
1277	$self->_load_header ($path)	1967	$self->_load_header ($f)
1278	or return;	1968	or return;
1279		1969
		1970	local $MAP_LOADING{$self->{path}} = $self;
		1971	$f->resolve_delayed_derefs;
		1972
1280	$self->{load_path} = $path;	1973	$self->{load_path} = $path;
1281		1974
1282	1	1975	1
1283	}	1976	}
1284		1977
1285	sub load_orig {	1978	sub load_header_orig {
1286	my ($self) = @_;	1979	my ($self) = @_;
1287		1980
1288	$self->load_header_from ($self->load_path)	1981	$self->load_header_from ($self->load_path)
1289	}	1982	}
1290		1983
1291	sub load_temp {	1984	sub load_header_temp {
1292	my ($self) = @_;	1985	my ($self) = @_;
1293		1986
1294	$self->load_header_from ($self->save_path)	1987	$self->load_header_from ($self->save_path)
		1988	}
		1989
		1990	sub prepare_temp {
		1991	my ($self) = @_;
		1992
		1993	$self->last_access ((delete $self->{last_access})
		1994	|| $cf::RUNTIME); #d#
		1995	# safety
		1996	$self->{instantiate_time} = $cf::RUNTIME
		1997	if $self->{instantiate_time} > $cf::RUNTIME;
		1998	}
		1999
		2000	sub prepare_orig {
		2001	my ($self) = @_;
		2002
		2003	$self->{load_original} = 1;
		2004	$self->{instantiate_time} = $cf::RUNTIME;
		2005	$self->last_access ($cf::RUNTIME);
		2006	$self->instantiate;
1295	}	2007	}
1296		2008
1297	sub load_header {	2009	sub load_header {
1298	my ($self) = @_;	2010	my ($self) = @_;
1299		2011
1300	if ($self->load_temp) {	2012	if ($self->load_header_temp) {
1301	$self->last_access ((delete $self->{last_access})	2013	$self->prepare_temp;
1302	|| $cf::RUNTIME); #d#
1303	# safety
1304	$self->{instantiate_time} = $cf::RUNTIME
1305	if $self->{instantiate_time} > $cf::RUNTIME;
1306	} else {	2014	} else {
1307	$self->load_orig	2015	$self->load_header_orig
1308	or return;	2016	or return;
1309		2017	$self->prepare_orig;
1310	$self->{load_original} = 1;
1311	$self->{instantiate_time} = $cf::RUNTIME;
1312	$self->last_access ($cf::RUNTIME);
1313	$self->instantiate;
1314	}	2018	}
		2019
		2020	$self->{deny_reset} = 1
		2021	if $self->no_reset;
		2022
		2023	$self->default_region (cf::region::find_by_path $self->{path})
		2024	unless $self->default_region;
1315		2025
1316	1	2026	1
1317	}	2027	}
1318		2028
1319	sub find;	2029	sub find;
1320	sub find {	2030	sub find {
1321	my ($path, $origin) = @_;	2031	my ($path, $origin) = @_;
1322		2032
1323	$path = normalise $path, $origin && $origin->path;	2033	$path = normalise $path, $origin && $origin->path;
1324		2034
		2035	cf::lock_wait "map_data:$path";#d#remove
1325	cf::lock_wait "map_find:$path";	2036	cf::lock_wait "map_find:$path";
1326		2037
1327	$cf::MAP{$path} || do {	2038	$cf::MAP{$path} || do {
		2039	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1328	my $guard = cf::lock_acquire "map_find:$path";	2040	my $guard2 = cf::lock_acquire "map_find:$path";
		2041
1329	my $map = new_from_path cf::map $path	2042	my $map = new_from_path cf::map $path
1330	or return;	2043	or return;
1331		2044
1332	$map->{last_save} = $cf::RUNTIME;	2045	$map->{last_save} = $cf::RUNTIME;
1333		2046
1334	$map->load_header	2047	$map->load_header
1335	or return;	2048	or return;
1336		2049
1337	if ($map->should_reset) {	2050	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2051	# doing this can freeze the server in a sync job, obviously
		2052	#$cf::WAIT_FOR_TICK->wait;
		2053	undef $guard2;
		2054	undef $guard1;
1338	$map->reset;	2055	$map->reset;
1339	undef $guard;
1340	$map = find $path	2056	return find $path;
1341	or return;
1342	}	2057	}
1343		2058
1344	$cf::MAP{$path} = $map	2059	$cf::MAP{$path} = $map
1345	}	2060	}
1346	}	2061	}
		2062
		2063	sub pre_load { }
		2064	sub post_load { }
1347		2065
1348	sub load {	2066	sub load {
1349	my ($self) = @_;	2067	my ($self) = @_;
1350		2068
		2069	local $self->{deny_reset} = 1; # loading can take a long time
		2070
1351	my $path = $self->{path};	2071	my $path = $self->{path};
		2072
		2073	{
1352	my $guard = cf::lock_acquire "map_load:$path";	2074	my $guard = cf::lock_acquire "map_data:$path";
1353		2075
		2076	return unless $self->valid;
1354	return if $self->in_memory != cf::MAP_SWAPPED;	2077	return unless $self->in_memory == cf::MAP_SWAPPED;
1355		2078
1356	$self->in_memory (cf::MAP_LOADING);	2079	$self->in_memory (cf::MAP_LOADING);
1357		2080
1358	$self->alloc;	2081	$self->alloc;
1359	$self->_load_objects ($self->{load_path}, 1)	2082
		2083	$self->pre_load;
		2084	cf::cede_to_tick;
		2085
		2086	my $f = new_from_file cf::object::thawer $self->{load_path};
		2087	$f->skip_block;
		2088	$self->_load_objects ($f)
1360	or return;	2089	or return;
1361		2090
1362	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2091	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1363	if delete $self->{load_original};	2092	if delete $self->{load_original};
1364		2093
1365	if (my $uniq = $self->uniq_path) {	2094	if (my $uniq = $self->uniq_path) {
1366	utf8::encode $uniq;	2095	utf8::encode $uniq;
1367	if (aio_open $uniq, O_RDONLY, 0) {	2096	unless (aio_stat $uniq) {
		2097	if (my $f = new_from_file cf::object::thawer $uniq) {
1368	$self->clear_unique_items;	2098	$self->clear_unique_items;
1369	$self->_load_objects ($uniq, 0);	2099	$self->_load_objects ($f);
		2100	$f->resolve_delayed_derefs;
		2101	}
1370	}	2102	}
1371	}	2103	}
1372		2104
1373	Coro::cede;	2105	$f->resolve_delayed_derefs;
1374		2106
		2107	cf::cede_to_tick;
1375	# now do the right thing for maps	2108	# now do the right thing for maps
1376	$self->link_multipart_objects;	2109	$self->link_multipart_objects;
1377
1378	unless ($self->{deny_activate}) {
1379	$self->decay_objects;
1380	$self->fix_auto_apply;
1381	$self->update_buttons;
1382	Coro::cede;
1383	$self->set_darkness_map;
1384	$self->difficulty ($self->estimate_difficulty)	2110	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	2111	unless $self->difficulty;
1386	Coro::cede;	2112	cf::cede_to_tick;
		2113
		2114	unless ($self->{deny_activate}) {
		2115	$self->decay_objects;
		2116	$self->fix_auto_apply;
		2117	$self->update_buttons;
		2118	cf::cede_to_tick;
		2119	$self->set_darkness_map;
		2120	cf::cede_to_tick;
1387	$self->activate;	2121	$self->activate;
1388	}	2122	}
1389		2123
		2124	$self->{last_save} = $cf::RUNTIME;
		2125	$self->last_access ($cf::RUNTIME);
		2126
1390	$self->in_memory (cf::MAP_IN_MEMORY);	2127	$self->in_memory (cf::MAP_ACTIVE);
		2128	}
		2129
		2130	$self->post_load;
1391	}	2131	}
1392		2132
1393	sub customise_for {	2133	sub customise_for {
1394	my ($self, $ob) = @_;	2134	my ($self, $ob) = @_;
1395		2135
1396	return find "~" . $ob->name . "/" . $self->{path}	2136	return find "~" . $ob->name . "/" . $self->{path}
1397	if $self->per_player;	2137	if $self->per_player;
1398		2138
		2139	# return find "?party/" . $ob->name . "/" . $self->{path}
		2140	# if $self->per_party;
		2141
1399	$self	2142	$self
1400	}	2143	}
1401		2144
1402	# find and load all maps in the 3x3 area around a map	2145	# find and load all maps in the 3x3 area around a map
1403	sub load_diag {	2146	sub load_neighbours {
1404	my ($map) = @_;	2147	my ($map) = @_;
1405		2148
1406	my @diag; # diagonal neighbours	2149	my @neigh; # diagonal neighbours
1407		2150
1408	for (0 .. 3) {	2151	for (0 .. 3) {
1409	my $neigh = $map->tile_path ($_)	2152	my $neigh = $map->tile_path ($_)
1410	or next;	2153	or next;
1411	$neigh = find $neigh, $map	2154	$neigh = find $neigh, $map
1412	or next;	2155	or next;
1413	$neigh->load;	2156	$neigh->load;
1414		2157
		2158	push @neigh,
1415	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2159	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1416	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2160	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1417	}	2161	}
1418		2162
1419	for (@diag) {	2163	for (grep defined $_->[0], @neigh) {
		2164	my ($path, $origin) = @$_;
1420	my $neigh = find @$_	2165	my $neigh = find $path, $origin
1421	or next;	2166	or next;
1422	$neigh->load;	2167	$neigh->load;
1423	}	2168	}
1424	}	2169	}
1425		2170
…		…
1430	}	2175	}
1431		2176
1432	sub do_load_sync {	2177	sub do_load_sync {
1433	my ($map) = @_;	2178	my ($map) = @_;
1434		2179
		2180	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2181	if $Coro::current == $Coro::main;
		2182
1435	cf::sync_job { $map->load };	2183	cf::sync_job { $map->load };
1436	}	2184	}
1437		2185
1438	our %MAP_PREFETCH;	2186	our %MAP_PREFETCH;
1439	our $MAP_PREFETCHER = Coro::async {	2187	our $MAP_PREFETCHER = undef;
1440	while () {
1441	for my $path (keys %MAP_PREFETCH) {
1442	my $map = find $path
1443	or next;
1444	$map->load;
1445
1446	delete $MAP_PREFETCH{$path};
1447	}
1448	Coro::schedule;
1449	}
1450	};
1451		2188
1452	sub find_async {	2189	sub find_async {
1453	my ($path, $origin) = @_;	2190	my ($path, $origin, $load) = @_;
1454		2191
1455	$path = normalise $path, $origin && $origin->{path};	2192	$path = normalise $path, $origin && $origin->{path};
1456		2193
1457	if (my $map = $cf::MAP{$path}) {	2194	if (my $map = $cf::MAP{$path}) {
1458	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2195	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2196	}
		2197
		2198	$MAP_PREFETCH{$path} |= $load;
		2199
		2200	$MAP_PREFETCHER ||= cf::async {
		2201	$Coro::current->{desc} = "map prefetcher";
		2202
		2203	while (%MAP_PREFETCH) {
		2204	while (my ($k, $v) = each %MAP_PREFETCH) {
		2205	if (my $map = find $k) {
		2206	$map->load if $v;
		2207	}
		2208
		2209	delete $MAP_PREFETCH{$k};
		2210	}
		2211	}
		2212	undef $MAP_PREFETCHER;
1459	}	2213	};
1460
1461	$MAP_PREFETCH{$path} = 0;
1462	$MAP_PREFETCHER->ready;	2214	$MAP_PREFETCHER->prio (6);
1463		2215
1464	()	2216	()
1465	}	2217	}
1466		2218
1467	sub save {	2219	sub save {
1468	my ($self) = @_;	2220	my ($self) = @_;
1469		2221
1470	my $lock = cf::lock_acquire "map_data:" . $self->path;	2222	my $lock = cf::lock_acquire "map_data:$self->{path}";
1471		2223
1472	$self->{last_save} = $cf::RUNTIME;	2224	$self->{last_save} = $cf::RUNTIME;
1473		2225
1474	return unless $self->dirty;	2226	return unless $self->dirty;
1475		2227
…		…
1481	return if $self->{deny_save};	2233	return if $self->{deny_save};
1482		2234
1483	local $self->{last_access} = $self->last_access;#d#	2235	local $self->{last_access} = $self->last_access;#d#
1484		2236
1485	cf::async {	2237	cf::async {
		2238	$Coro::current->{desc} = "map player save";
1486	$_->contr->save for $self->players;	2239	$_->contr->save for $self->players;
1487	};	2240	};
		2241
		2242	cf::get_slot 0.02;
1488		2243
1489	if ($uniq) {	2244	if ($uniq) {
1490	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2245	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1491	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2246	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1492	} else {	2247	} else {
…		…
1498	my ($self) = @_;	2253	my ($self) = @_;
1499		2254
1500	# save first because save cedes	2255	# save first because save cedes
1501	$self->save;	2256	$self->save;
1502		2257
1503	my $lock = cf::lock_acquire "map_data:" . $self->path;	2258	my $lock = cf::lock_acquire "map_data:$self->{path}";
1504		2259
1505	return if $self->players;	2260	return if $self->players;
1506	return if $self->in_memory != cf::MAP_IN_MEMORY;	2261	return if $self->in_memory != cf::MAP_ACTIVE;
1507	return if $self->{deny_save};	2262	return if $self->{deny_save};
1508		2263
		2264	$self->in_memory (cf::MAP_SWAPPED);
		2265
		2266	$self->deactivate;
		2267	$_->clear_links_to ($self) for values %cf::MAP;
1509	$self->clear;	2268	$self->clear;
1510	$self->in_memory (cf::MAP_SWAPPED);
1511	}	2269	}
1512		2270
1513	sub reset_at {	2271	sub reset_at {
1514	my ($self) = @_;	2272	my ($self) = @_;
1515		2273
1516	# TODO: safety, remove and allow resettable per-player maps	2274	# TODO: safety, remove and allow resettable per-player maps
1517	return 1e99 if $self->isa ("ext::map_per_player");
1518	return 1e99 if $self->{deny_reset};	2275	return 1e99 if $self->{deny_reset};
1519		2276
1520	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2277	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1521	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2278	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1522		2279
…		…
1527	my ($self) = @_;	2284	my ($self) = @_;
1528		2285
1529	$self->reset_at <= $cf::RUNTIME	2286	$self->reset_at <= $cf::RUNTIME
1530	}	2287	}
1531		2288
1532	sub rename {
1533	my ($self, $new_path) = @_;
1534
1535	normalise $new_path;
1536
1537	$self->unlink_save;
1538
1539	delete $cf::MAP{$self->path};
1540	$self->{path} = $new_path; $self->path ($self->{path});
1541	$cf::MAP{$self->path} = $self;
1542
1543	$self->save;
1544	}
1545
1546	sub reset {	2289	sub reset {
1547	my ($self) = @_;	2290	my ($self) = @_;
1548		2291
1549	my $lock = cf::lock_acquire "map_data:" . $self->path;	2292	my $lock = cf::lock_acquire "map_data:$self->{path}";
1550		2293
1551	return if $self->players;	2294	return if $self->players;
1552	return if $self->isa ("ext::map_per_player");#d#
1553		2295
1554	warn "resetting map ", $self->path;#d#	2296	warn "resetting map ", $self->path;
		2297
		2298	$self->in_memory (cf::MAP_SWAPPED);
		2299
		2300	# need to save uniques path
		2301	unless ($self->{deny_save}) {
		2302	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2303
		2304	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2305	if $uniq;
		2306	}
1555		2307
1556	delete $cf::MAP{$self->path};	2308	delete $cf::MAP{$self->path};
1557		2309
		2310	$self->deactivate;
1558	$_->clear_links_to ($self) for values %cf::MAP;	2311	$_->clear_links_to ($self) for values %cf::MAP;
		2312	$self->clear;
1559		2313
1560	$self->unlink_save;	2314	$self->unlink_save;
1561	$self->destroy;	2315	$self->destroy;
1562	}	2316	}
1563		2317
1564	my $nuke_counter = "aaaa";	2318	my $nuke_counter = "aaaa";
1565		2319
1566	sub nuke {	2320	sub nuke {
1567	my ($self) = @_;	2321	my ($self) = @_;
1568		2322
		2323	{
		2324	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2325
		2326	delete $cf::MAP{$self->path};
		2327
		2328	$self->unlink_save;
		2329
		2330	bless $self, "cf::map";
		2331	delete $self->{deny_reset};
1569	$self->{deny_save} = 1;	2332	$self->{deny_save} = 1;
1570	$self->reset_timeout (1);	2333	$self->reset_timeout (1);
1571	$self->rename ("{nuke}/" . ($nuke_counter++));	2334	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2335
		2336	$cf::MAP{$self->path} = $self;
		2337	}
		2338
1572	$self->reset; # polite request, might not happen	2339	$self->reset; # polite request, might not happen
		2340	}
		2341
		2342	=item $maps = cf::map::tmp_maps
		2343
		2344	Returns an arrayref with all map paths of currently instantiated and saved
		2345	maps. May block.
		2346
		2347	=cut
		2348
		2349	sub tmp_maps() {
		2350	[
		2351	map {
		2352	utf8::decode $_;
		2353	/\.map$/
		2354	? normalise $_
		2355	: ()
		2356	} @{ aio_readdir $TMPDIR or [] }
		2357	]
		2358	}
		2359
		2360	=item $maps = cf::map::random_maps
		2361
		2362	Returns an arrayref with all map paths of currently instantiated and saved
		2363	random maps. May block.
		2364
		2365	=cut
		2366
		2367	sub random_maps() {
		2368	[
		2369	map {
		2370	utf8::decode $_;
		2371	/\.map$/
		2372	? normalise "?random/$_"
		2373	: ()
		2374	} @{ aio_readdir $RANDOMDIR or [] }
		2375	]
1573	}	2376	}
1574		2377
1575	=item cf::map::unique_maps	2378	=item cf::map::unique_maps
1576		2379
1577	Returns an arrayref of paths of all shared maps that have	2380	Returns an arrayref of paths of all shared maps that have
1578	instantiated unique items. May block.	2381	instantiated unique items. May block.
1579		2382
1580	=cut	2383	=cut
1581		2384
1582	sub unique_maps() {	2385	sub unique_maps() {
1583	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2386	[
1584	or return;	2387	map {
1585
1586	my @paths;
1587
1588	for (@$files) {
1589	utf8::decode $_;	2388	utf8::decode $_;
1590	next if /\.pst$/;	2389	s/\.map$//; # TODO future compatibility hack
1591	next unless /^$PATH_SEP/o;	2390	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1592		2391	? ()
1593	push @paths, $_;	2392	: normalise $_
		2393	} @{ aio_readdir $UNIQUEDIR or [] }
1594	}	2394	]
1595
1596	\@paths
1597	}	2395	}
1598
1599	package cf;
1600		2396
1601	=back	2397	=back
1602		2398
1603	=head3 cf::object	2399	=head3 cf::object
1604		2400
…		…
1608		2404
1609	=over 4	2405	=over 4
1610		2406
1611	=item $ob->inv_recursive	2407	=item $ob->inv_recursive
1612		2408
1613	Returns the inventory of the object _and_ their inventories, recursively.	2409	Returns the inventory of the object I<and> their inventories, recursively,
		2410	but I<not> the object itself.
1614		2411
1615	=cut	2412	=cut
1616		2413
1617	sub inv_recursive_;	2414	sub inv_recursive_;
1618	sub inv_recursive_ {	2415	sub inv_recursive_ {
…		…
1621		2418
1622	sub inv_recursive {	2419	sub inv_recursive {
1623	inv_recursive_ inv $_[0]	2420	inv_recursive_ inv $_[0]
1624	}	2421	}
1625		2422
		2423	=item $ref = $ob->ref
		2424
		2425	Creates and returns a persistent reference to an object that can be stored as a string.
		2426
		2427	=item $ob = cf::object::deref ($refstring)
		2428
		2429	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2430	even if the object actually exists. May block.
		2431
		2432	=cut
		2433
		2434	sub deref {
		2435	my ($ref) = @_;
		2436
		2437	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2438	my ($uuid, $name) = ($1, $2);
		2439	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2440	or return;
		2441	$pl->ob->uuid eq $uuid
		2442	or return;
		2443
		2444	$pl->ob
		2445	} else {
		2446	warn "$ref: cannot resolve object reference\n";
		2447	undef
		2448	}
		2449	}
		2450
1626	package cf;	2451	package cf;
1627		2452
1628	=back	2453	=back
1629		2454
1630	=head3 cf::object::player	2455	=head3 cf::object::player
…		…
1636	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2461	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1637	can be C<undef>. Does the right thing when the player is currently in a	2462	can be C<undef>. Does the right thing when the player is currently in a
1638	dialogue with the given NPC character.	2463	dialogue with the given NPC character.
1639		2464
1640	=cut	2465	=cut
		2466
		2467	our $SAY_CHANNEL = {
		2468	id => "say",
		2469	title => "Map",
		2470	reply => "say ",
		2471	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2472	};
		2473
		2474	our $CHAT_CHANNEL = {
		2475	id => "chat",
		2476	title => "Chat",
		2477	reply => "chat ",
		2478	tooltip => "Player chat and shouts, global to the server.",
		2479	};
1641		2480
1642	# rough implementation of a future "reply" method that works	2481	# rough implementation of a future "reply" method that works
1643	# with dialog boxes.	2482	# with dialog boxes.
1644	#TODO: the first argument must go, split into a $npc->reply_to ( method	2483	#TODO: the first argument must go, split into a $npc->reply_to ( method
1645	sub cf::object::player::reply($$$;$) {	2484	sub cf::object::player::reply($$$;$) {
…		…
1647		2486
1648	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2487	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1649		2488
1650	if ($self->{record_replies}) {	2489	if ($self->{record_replies}) {
1651	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2490	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2491
1652	} else {	2492	} else {
		2493	my $pl = $self->contr;
		2494
		2495	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2496	my $dialog = $pl->{npc_dialog};
		2497	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2498
		2499	} else {
1653	$msg = $npc->name . " says: $msg" if $npc;	2500	$msg = $npc->name . " says: $msg" if $npc;
1654	$self->message ($msg, $flags);	2501	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2502	}
1655	}	2503	}
		2504	}
		2505
		2506	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2507
		2508	=cut
		2509
		2510	sub cf::object::send_msg {
		2511	my $pl = shift->contr
		2512	or return;
		2513	$pl->send_msg (@_);
1656	}	2514	}
1657		2515
1658	=item $player_object->may ("access")	2516	=item $player_object->may ("access")
1659		2517
1660	Returns wether the given player is authorized to access resource "access"	2518	Returns wether the given player is authorized to access resource "access"
…		…
1692	=cut	2550	=cut
1693		2551
1694	sub link_map {	2552	sub link_map {
1695	unless ($LINK_MAP) {	2553	unless ($LINK_MAP) {
1696	$LINK_MAP = cf::map::find "{link}"	2554	$LINK_MAP = cf::map::find "{link}"
1697	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2555	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1698	$LINK_MAP->load;	2556	$LINK_MAP->load;
1699	}	2557	}
1700		2558
1701	$LINK_MAP	2559	$LINK_MAP
1702	}	2560	}
…		…
1707	$self->deactivate_recursive;	2565	$self->deactivate_recursive;
1708		2566
1709	return if UNIVERSAL::isa $self->map, "ext::map_link";	2567	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		2568
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2569	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	2570	if $self->map && $self->map->{path} ne "{link}";
1713		2571
1714	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2572	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	2573	}
1716		2574
1717	sub cf::object::player::leave_link {	2575	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	2576	my ($self, $map, $x, $y) = @_;
		2577
		2578	return unless $self->contr->active;
1719		2579
1720	my $link_pos = delete $self->{_link_pos};	2580	my $link_pos = delete $self->{_link_pos};
1721		2581
1722	unless ($map) {	2582	unless ($map) {
1723	# restore original map position	2583	# restore original map position
…		…
1737	# use -1 or undef as default coordinates, not 0, 0	2597	# use -1 or undef as default coordinates, not 0, 0
1738	($x, $y) = ($map->enter_x, $map->enter_y)	2598	($x, $y) = ($map->enter_x, $map->enter_y)
1739	if $x <=0 && $y <= 0;	2599	if $x <=0 && $y <= 0;
1740		2600
1741	$map->load;	2601	$map->load;
1742	$map->load_diag;	2602	$map->load_neighbours;
1743		2603
1744	return unless $self->contr->active;	2604	return unless $self->contr->active;
1745	$self->activate_recursive;	2605	$self->activate_recursive;
		2606
		2607	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746	$self->enter_map ($map, $x, $y);	2608	$self->enter_map ($map, $x, $y);
1747	}	2609	}
1748		2610
1749	cf::player->attach (	2611	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1750	on_logout => sub {
1751	my ($pl) = @_;
1752		2612
1753	# abort map switching before logout	2613	Moves the player to the given map-path and coordinates by first freezing
1754	if ($pl->ob->{_link_pos}) {	2614	her, loading and preparing them map, calling the provided $check callback
1755	cf::sync_job {	2615	that has to return the map if sucecssful, and then unfreezes the player on
1756	$pl->ob->leave_link	2616	the new (success) or old (failed) map position. In either case, $done will
1757	};	2617	be called at the end of this process.
1758	}
1759	},
1760	on_login => sub {
1761	my ($pl) = @_;
1762		2618
1763	# try to abort aborted map switching on player login :)	2619	Note that $check will be called with a potentially non-loaded map, so if
1764	# should happen only on crashes	2620	it needs a loaded map it has to call C<< ->load >>.
1765	if ($pl->ob->{_link_pos}) {
1766	$pl->ob->enter_link;
1767	(async {
1768	# we need this sleep as the login has a concurrent enter_exit running
1769	# and this sleep increases chances of the player not ending up in scorn
1770	$pl->ob->reply (undef,
1771	"There was an internal problem at your last logout, "
1772	. "the server will try to bring you to your intended destination in a second.",
1773	cf::NDI_RED);
1774	Coro::Timer::sleep 1;
1775	$pl->ob->leave_link;
1776	})->prio (2);
1777	}
1778	},
1779	);
1780		2621
1781	=item $player_object->goto ($path, $x, $y)
1782
1783	=cut	2622	=cut
		2623
		2624	our $GOTOGEN;
1784		2625
1785	sub cf::object::player::goto {	2626	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	2627	my ($self, $path, $x, $y, $check, $done) = @_;
		2628
		2629	# do generation counting so two concurrent goto's will be executed in-order
		2630	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1787		2631
1788	$self->enter_link;	2632	$self->enter_link;
1789		2633
1790	(async {	2634	(async {
1791	my $map = cf::map::find $path;	2635	$Coro::current->{desc} = "player::goto $path $x $y";
		2636
		2637	# *tag paths override both path and x|y
		2638	if ($path =~ /^\*(.*)$/) {
		2639	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2640	my $ob = $obs[rand @obs];
		2641
		2642	# see if we actually can go there
		2643	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2644	$ob = $obs[rand @obs];
		2645	} else {
		2646	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2647	}
		2648	# else put us there anyways for now #d#
		2649
		2650	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2651	} else {
		2652	($path, $x, $y) = (undef, undef, undef);
		2653	}
		2654	}
		2655
		2656	my $map = eval {
		2657	my $map = defined $path ? cf::map::find $path : undef;
		2658
		2659	if ($map) {
1792	$map = $map->customise_for ($self) if $map;	2660	$map = $map->customise_for ($self);
1793		2661	$map = $check->($map) if $check && $map;
1794	# warn "entering ", $map->path, " at ($x, $y)\n"	2662	} else {
1795	# if $map;
1796
1797	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2663	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2664	}
1798		2665
		2666	$map
		2667	};
		2668
		2669	if ($@) {
		2670	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2671	LOG llevError | logBacktrace, Carp::longmess $@;
		2672	}
		2673
		2674	if ($gen == $self->{_goto_generation}) {
		2675	delete $self->{_goto_generation};
1799	$self->leave_link ($map, $x, $y);	2676	$self->leave_link ($map, $x, $y);
		2677	}
		2678
		2679	$done->() if $done;
1800	})->prio (1);	2680	})->prio (1);
1801	}	2681	}
1802		2682
1803	=item $player_object->enter_exit ($exit_object)	2683	=item $player_object->enter_exit ($exit_object)
1804		2684
…		…
1806		2686
1807	sub parse_random_map_params {	2687	sub parse_random_map_params {
1808	my ($spec) = @_;	2688	my ($spec) = @_;
1809		2689
1810	my $rmp = { # defaults	2690	my $rmp = { # defaults
1811	xsize => 10,	2691	xsize => (cf::rndm 15, 40),
1812	ysize => 10,	2692	ysize => (cf::rndm 15, 40),
		2693	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2694	#layout => string,
1813	};	2695	};
1814		2696
1815	for (split /\n/, $spec) {	2697	for (split /\n/, $spec) {
1816	my ($k, $v) = split /\s+/, $_, 2;	2698	my ($k, $v) = split /\s+/, $_, 2;
1817		2699
…		…
1829	# that depends on the exit object	2711	# that depends on the exit object
1830		2712
1831	my $rmp = parse_random_map_params $exit->msg;	2713	my $rmp = parse_random_map_params $exit->msg;
1832		2714
1833	if ($exit->map) {	2715	if ($exit->map) {
1834	$rmp->{region} = $exit->map->region_name;	2716	$rmp->{region} = $exit->region->name;
1835	$rmp->{origin_map} = $exit->map->path;	2717	$rmp->{origin_map} = $exit->map->path;
1836	$rmp->{origin_x} = $exit->x;	2718	$rmp->{origin_x} = $exit->x;
1837	$rmp->{origin_y} = $exit->y;	2719	$rmp->{origin_y} = $exit->y;
		2720
		2721	$exit->map->touch;
1838	}	2722	}
1839		2723
1840	$rmp->{random_seed} ||= $exit->random_seed;	2724	$rmp->{random_seed} ||= $exit->random_seed;
1841		2725
1842	my $data = cf::to_json $rmp;	2726	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1843	my $md5 = Digest::MD5::md5_hex $data;	2727	my $md5 = Digest::MD5::md5_hex $data;
		2728	my $meta = "$RANDOMDIR/$md5.meta";
1844		2729
1845	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2730	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1846	aio_write $fh, 0, (length $data), $data, 0;	2731	aio_write $fh, 0, (length $data), $data, 0;
		2732	undef $fh;
		2733	aio_rename "$meta~", $meta;
1847		2734
		2735	my $slaying = "?random/$md5";
		2736
		2737	if ($exit->valid) {
1848	$exit->slaying ("?random/$md5");	2738	$exit->slaying ("?random/$md5");
1849	$exit->msg (undef);	2739	$exit->msg (undef);
		2740	}
1850	}	2741	}
1851	}	2742	}
1852		2743
1853	sub cf::object::player::enter_exit {	2744	sub cf::object::player::enter_exit {
1854	my ($self, $exit) = @_;	2745	my ($self, $exit) = @_;
…		…
1856	return unless $self->type == cf::PLAYER;	2747	return unless $self->type == cf::PLAYER;
1857		2748
1858	$self->enter_link;	2749	$self->enter_link;
1859		2750
1860	(async {	2751	(async {
1861	$self->deactivate_recursive; # just to be sure	2752	$Coro::current->{desc} = "enter_exit";
		2753
1862	unless (eval {	2754	unless (eval {
		2755	$self->deactivate_recursive; # just to be sure
		2756
		2757	# random map handling
		2758	{
		2759	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2760
1863	prepare_random_map $exit	2761	prepare_random_map $exit
1864	if $exit->slaying eq "/!";	2762	if $exit->slaying eq "/!";
		2763	}
1865		2764
1866	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;	2765	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1867	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2766	my $x = $exit->stats->hp;
		2767	my $y = $exit->stats->sp;
1868		2768
		2769	$self->goto ($map, $x, $y);
		2770
		2771	# if exit is damned, update players death & WoR home-position
		2772	$self->contr->savebed ($map, $x, $y)
		2773	if $exit->flag (cf::FLAG_DAMNED);
		2774
1869	1;	2775	1
1870	}) {	2776	}) {
1871	$self->message ("Something went wrong deep within the crossfire server. "	2777	$self->message ("Something went wrong deep within the crossfire server. "
1872	. "I'll try to bring you back to the map you were before. "	2778	. "I'll try to bring you back to the map you were before. "
1873	. "Please report this to the dungeon master!",	2779	. "Please report this to the dungeon master!",
1874	cf::NDI_UNIQUE | cf::NDI_RED);	2780	cf::NDI_UNIQUE | cf::NDI_RED);
1875		2781
1876	warn "ERROR in enter_exit: $@";	2782	warn "ERROR in enter_exit: $@";
1877	$self->leave_link;	2783	$self->leave_link;
1878	}	2784	}
1879	})->prio (1);	2785	})->prio (1);
…		…
1892		2798
1893	sub cf::client::send_drawinfo {	2799	sub cf::client::send_drawinfo {
1894	my ($self, $text, $flags) = @_;	2800	my ($self, $text, $flags) = @_;
1895		2801
1896	utf8::encode $text;	2802	utf8::encode $text;
1897	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2803	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1898	}	2804	}
1899		2805
		2806	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2807
		2808	Send a drawinfo or msg packet to the client, formatting the msg for the
		2809	client if neccessary. C<$type> should be a string identifying the type of
		2810	the message, with C<log> being the default. If C<$color> is negative, suppress
		2811	the message unless the client supports the msg packet.
		2812
		2813	=cut
		2814
		2815	# non-persistent channels (usually the info channel)
		2816	our %CHANNEL = (
		2817	"c/identify" => {
		2818	id => "infobox",
		2819	title => "Identify",
		2820	reply => undef,
		2821	tooltip => "Items recently identified",
		2822	},
		2823	"c/examine" => {
		2824	id => "infobox",
		2825	title => "Examine",
		2826	reply => undef,
		2827	tooltip => "Signs and other items you examined",
		2828	},
		2829	"c/book" => {
		2830	id => "infobox",
		2831	title => "Book",
		2832	reply => undef,
		2833	tooltip => "The contents of a note or book",
		2834	},
		2835	"c/lookat" => {
		2836	id => "infobox",
		2837	title => "Look",
		2838	reply => undef,
		2839	tooltip => "What you saw there",
		2840	},
		2841	"c/who" => {
		2842	id => "infobox",
		2843	title => "Players",
		2844	reply => undef,
		2845	tooltip => "Shows players who are currently online",
		2846	},
		2847	"c/body" => {
		2848	id => "infobox",
		2849	title => "Body Parts",
		2850	reply => undef,
		2851	tooltip => "Shows which body parts you posess and are available",
		2852	},
		2853	"c/uptime" => {
		2854	id => "infobox",
		2855	title => "Uptime",
		2856	reply => undef,
		2857	tooltip => "How long the server has been running since last restart",
		2858	},
		2859	"c/mapinfo" => {
		2860	id => "infobox",
		2861	title => "Map Info",
		2862	reply => undef,
		2863	tooltip => "Information related to the maps",
		2864	},
		2865	"c/party" => {
		2866	id => "party",
		2867	title => "Party",
		2868	reply => "gsay ",
		2869	tooltip => "Messages and chat related to your party",
		2870	},
		2871	);
		2872
		2873	sub cf::client::send_msg {
		2874	my ($self, $channel, $msg, $color, @extra) = @_;
		2875
		2876	$msg = $self->pl->expand_cfpod ($msg);
		2877
		2878	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2879
		2880	# check predefined channels, for the benefit of C
		2881	if ($CHANNEL{$channel}) {
		2882	$channel = $CHANNEL{$channel};
		2883
		2884	$self->ext_msg (channel_info => $channel)
		2885	if $self->can_msg;
		2886
		2887	$channel = $channel->{id};
		2888
		2889	} elsif (ref $channel) {
		2890	# send meta info to client, if not yet sent
		2891	unless (exists $self->{channel}{$channel->{id}}) {
		2892	$self->{channel}{$channel->{id}} = $channel;
		2893	$self->ext_msg (channel_info => $channel)
		2894	if $self->can_msg;
		2895	}
		2896
		2897	$channel = $channel->{id};
		2898	}
		2899
		2900	return unless @extra || length $msg;
		2901
		2902	if ($self->can_msg) {
		2903	# default colour, mask it out
		2904	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2905	if $color & cf::NDI_DEF;
		2906
		2907	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2908	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2909	} else {
		2910	if ($color >= 0) {
		2911	# replace some tags by gcfclient-compatible ones
		2912	for ($msg) {
		2913	1 while
		2914	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2915	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2916	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2917	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2918	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2919	}
		2920
		2921	$color &= cf::NDI_COLOR_MASK;
		2922
		2923	utf8::encode $msg;
		2924
		2925	if (0 && $msg =~ /\[/) {
		2926	# COMMAND/INFO
		2927	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2928	} else {
		2929	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2930	$self->send_packet ("drawinfo $color $msg")
		2931	}
		2932	}
		2933	}
		2934	}
		2935
		2936	=item $client->ext_msg ($type, @msg)
		2937
		2938	Sends an ext event to the client.
		2939
		2940	=cut
		2941
		2942	sub cf::client::ext_msg($$@) {
		2943	my ($self, $type, @msg) = @_;
		2944
		2945	if ($self->extcmd == 2) {
		2946	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2947	} elsif ($self->extcmd == 1) { # TODO: remove
		2948	push @msg, msgtype => "event_$type";
		2949	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2950	}
		2951	}
		2952
		2953	=item $client->ext_reply ($msgid, @msg)
		2954
		2955	Sends an ext reply to the client.
		2956
		2957	=cut
		2958
		2959	sub cf::client::ext_reply($$@) {
		2960	my ($self, $id, @msg) = @_;
		2961
		2962	if ($self->extcmd == 2) {
		2963	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2964	} elsif ($self->extcmd == 1) {
		2965	#TODO: version 1, remove
		2966	unshift @msg, msgtype => "reply", msgid => $id;
		2967	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2968	}
		2969	}
1900		2970
1901	=item $success = $client->query ($flags, "text", \&cb)	2971	=item $success = $client->query ($flags, "text", \&cb)
1902		2972
1903	Queues a query to the client, calling the given callback with	2973	Queues a query to the client, calling the given callback with
1904	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2974	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1905	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2975	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1906		2976
1907	Queries can fail, so check the return code. Or don't, as queries will become	2977	Queries can fail, so check the return code. Or don't, as queries will
1908	reliable at some point in the future.	2978	become reliable at some point in the future.
1909		2979
1910	=cut	2980	=cut
1911		2981
1912	sub cf::client::query {	2982	sub cf::client::query {
1913	my ($self, $flags, $text, $cb) = @_;	2983	my ($self, $flags, $text, $cb) = @_;
…		…
1921	utf8::encode $text;	2991	utf8::encode $text;
1922	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2992	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1923		2993
1924	$self->send_packet ($self->{query_queue}[0][0])	2994	$self->send_packet ($self->{query_queue}[0][0])
1925	if @{ $self->{query_queue} } == 1;	2995	if @{ $self->{query_queue} } == 1;
		2996
		2997	1
1926	}	2998	}
1927		2999
1928	cf::client->attach (	3000	cf::client->attach (
		3001	on_connect => sub {
		3002	my ($ns) = @_;
		3003
		3004	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3005	},
1929	on_reply => sub {	3006	on_reply => sub {
1930	my ($ns, $msg) = @_;	3007	my ($ns, $msg) = @_;
1931		3008
1932	# this weird shuffling is so that direct followup queries	3009	# this weird shuffling is so that direct followup queries
1933	# get handled first	3010	# get handled first
1934	my $queue = delete $ns->{query_queue}	3011	my $queue = delete $ns->{query_queue}
1935	or return; # be conservative, not sure how that can happen, but we saw a crash here	3012	or return; # be conservative, not sure how that can happen, but we saw a crash here
1936		3013
1937	(shift @$queue)->[1]->($msg);	3014	(shift @$queue)->[1]->($msg);
		3015	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1938		3016
1939	push @{ $ns->{query_queue} }, @$queue;	3017	push @{ $ns->{query_queue} }, @$queue;
1940		3018
1941	if (@{ $ns->{query_queue} } == @$queue) {	3019	if (@{ $ns->{query_queue} } == @$queue) {
1942	if (@$queue) {	3020	if (@$queue) {
…		…
1944	} else {	3022	} else {
1945	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3023	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1946	}	3024	}
1947	}	3025	}
1948	},	3026	},
		3027	on_exticmd => sub {
		3028	my ($ns, $buf) = @_;
		3029
		3030	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3031
		3032	if (ref $msg) {
		3033	my ($type, $reply, @payload) =
		3034	"ARRAY" eq ref $msg
		3035	? @$msg
		3036	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3037
		3038	my @reply;
		3039
		3040	if (my $cb = $EXTICMD{$type}) {
		3041	@reply = $cb->($ns, @payload);
		3042	}
		3043
		3044	$ns->ext_reply ($reply, @reply)
		3045	if $reply;
		3046
		3047	} else {
		3048	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3049	}
		3050
		3051	cf::override;
		3052	},
1949	);	3053	);
1950		3054
1951	=item $client->async (\&cb)	3055	=item $client->async (\&cb)
1952		3056
1953	Create a new coroutine, running the specified callback. The coroutine will	3057	Create a new coroutine, running the specified callback. The coroutine will
…		…
1994	our $safe = new Safe "safe";	3098	our $safe = new Safe "safe";
1995	our $safe_hole = new Safe::Hole;	3099	our $safe_hole = new Safe::Hole;
1996		3100
1997	$SIG{FPE} = 'IGNORE';	3101	$SIG{FPE} = 'IGNORE';
1998		3102
1999	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3103	$safe->permit_only (Opcode::opset qw(
		3104	:base_core :base_mem :base_orig :base_math
		3105	grepstart grepwhile mapstart mapwhile
		3106	sort time
		3107	));
2000		3108
2001	# here we export the classes and methods available to script code	3109	# here we export the classes and methods available to script code
2002		3110
2003	=pod	3111	=pod
2004		3112
2005	The following fucntions and emthods are available within a safe environment:	3113	The following functions and methods are available within a safe environment:
2006		3114
2007	cf::object contr pay_amount pay_player map	3115	cf::object
		3116	contr pay_amount pay_player map x y force_find force_add destroy
		3117	insert remove name archname title slaying race decrease split
		3118
2008	cf::object::player player	3119	cf::object::player
2009	cf::player peaceful	3120	player
2010	cf::map trigger	3121
		3122	cf::player
		3123	peaceful
		3124
		3125	cf::map
		3126	trigger
2011		3127
2012	=cut	3128	=cut
2013		3129
2014	for (	3130	for (
2015	["cf::object" => qw(contr pay_amount pay_player map)],	3131	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3132	insert remove inv nrof name archname title slaying race
		3133	decrease split destroy change_exp)],
2016	["cf::object::player" => qw(player)],	3134	["cf::object::player" => qw(player)],
2017	["cf::player" => qw(peaceful)],	3135	["cf::player" => qw(peaceful)],
2018	["cf::map" => qw(trigger)],	3136	["cf::map" => qw(trigger)],
2019	) {	3137	) {
2020	no strict 'refs';	3138	no strict 'refs';
…		…
2091	=back	3209	=back
2092		3210
2093	=cut	3211	=cut
2094		3212
2095	#############################################################################	3213	#############################################################################
		3214	# the server's init and main functions
2096		3215
2097	=head2 EXTENSION DATABASE SUPPORT	3216	sub load_facedata($) {
		3217	my ($path) = @_;
2098		3218
2099	Crossfire maintains a very simple database for extension use. It can	3219	# HACK to clear player env face cache, we need some signal framework
2100	currently store anything that can be serialised using Storable, which	3220	# for this (global event?)
2101	excludes objects.	3221	%ext::player_env::MUSIC_FACE_CACHE = ();
2102		3222
2103	The parameter C<$family> should best start with the name of the extension	3223	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2104	using it, it should be unique.
2105		3224
2106	=over 4	3225	warn "loading facedata from $path\n";
2107		3226
2108	=item $hashref = cf::db_get $family	3227	my $facedata;
		3228	0 < aio_load $path, $facedata
		3229	or die "$path: $!";
2109		3230
2110	Return a hashref for use by the extension C<$family>, which can be	3231	$facedata = Coro::Storable::thaw $facedata;
2111	modified. After modifications, you have to call C<cf::db_dirty> or
2112	C<cf::db_sync>.
2113		3232
2114	=item $value = cf::db_get $family => $key	3233	$facedata->{version} == 2
		3234	or cf::cleanup "$path: version mismatch, cannot proceed.";
2115		3235
2116	Returns a single value from the database	3236	# patch in the exptable
2117		3237	$facedata->{resource}{"res/exp_table"} = {
2118	=item cf::db_put $family => $hashref	3238	type => FT_RSRC,
2119		3239	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2120	Stores the given family hashref into the database. Updates are delayed, if
2121	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2122
2123	=item cf::db_put $family => $key => $value
2124
2125	Stores the given C<$value> in the family hash. Updates are delayed, if you
2126	want the data to be synced to disk immediately, use C<cf::db_sync>.
2127
2128	=item cf::db_dirty
2129
2130	Marks the database as dirty, to be updated at a later time.
2131
2132	=item cf::db_sync
2133
2134	Immediately write the database to disk I<if it is dirty>.
2135
2136	=cut
2137
2138	our $DB;
2139
2140	{
2141	my $path = cf::localdir . "/database.pst";
2142
2143	sub db_load() {
2144	$DB = stat $path ? Storable::retrieve $path : { };
2145	}
2146
2147	my $pid;
2148
2149	sub db_save() {
2150	waitpid $pid, 0 if $pid;
2151	if (0 == ($pid = fork)) {
2152	$DB->{_meta}{version} = 1;
2153	Storable::nstore $DB, "$path~";
2154	rename "$path~", $path;
2155	cf::_exit 0 if defined $pid;
2156	}
2157	}
2158
2159	my $dirty;
2160
2161	sub db_sync() {
2162	db_save if $dirty;
2163	undef $dirty;
2164	}
2165
2166	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2167	db_sync;
2168	});	3240	};
		3241	cf::cede_to_tick;
2169		3242
2170	sub db_dirty() {
2171	$dirty = 1;
2172	$idle->start;
2173	}	3243	{
		3244	my $faces = $facedata->{faceinfo};
2174		3245
2175	sub db_get($;$) {	3246	while (my ($face, $info) = each %$faces) {
2176	@_ >= 2	3247	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2177	? $DB->{$_[0]}{$_[1]}
2178	: ($DB->{$_[0]} ||= { })
2179	}
2180		3248
2181	sub db_put($$;$) {	3249	cf::face::set_visibility $idx, $info->{visibility};
2182	if (@_ >= 3) {	3250	cf::face::set_magicmap $idx, $info->{magicmap};
2183	$DB->{$_[0]}{$_[1]} = $_[2];	3251	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2184	} else {	3252	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2185	$DB->{$_[0]} = $_[1];
2186	}
2187	db_dirty;
2188	}
2189		3253
2190	cf::global->attach (	3254	cf::cede_to_tick;
2191	prio => 10000,
2192	on_cleanup => sub {
2193	db_sync;
2194	},	3255	}
2195	);
2196	}
2197		3256
2198	#############################################################################	3257	while (my ($face, $info) = each %$faces) {
2199	# the server's main()	3258	next unless $info->{smooth};
2200		3259
2201	sub cfg_load {	3260	my $idx = cf::face::find $face
		3261	or next;
		3262
		3263	if (my $smooth = cf::face::find $info->{smooth}) {
		3264	cf::face::set_smooth $idx, $smooth;
		3265	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3266	} else {
		3267	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3268	}
		3269
		3270	cf::cede_to_tick;
		3271	}
		3272	}
		3273
		3274	{
		3275	my $anims = $facedata->{animinfo};
		3276
		3277	while (my ($anim, $info) = each %$anims) {
		3278	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3279	cf::cede_to_tick;
		3280	}
		3281
		3282	cf::anim::invalidate_all; # d'oh
		3283	}
		3284
		3285	{
		3286	# TODO: for gcfclient pleasure, we should give resources
		3287	# that gcfclient doesn't grok a >10000 face index.
		3288	my $res = $facedata->{resource};
		3289
		3290	while (my ($name, $info) = each %$res) {
		3291	if (defined $info->{type}) {
		3292	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3293	my $data;
		3294
		3295	if ($info->{type} & 1) {
		3296	# prepend meta info
		3297
		3298	my $meta = $enc->encode ({
		3299	name => $name,
		3300	%{ $info->{meta} || {} },
		3301	});
		3302
		3303	$data = pack "(w/a*)*", $meta, $info->{data};
		3304	} else {
		3305	$data = $info->{data};
		3306	}
		3307
		3308	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3309	cf::face::set_type $idx, $info->{type};
		3310	} else {
		3311	$RESOURCE{$name} = $info;
		3312	}
		3313
		3314	cf::cede_to_tick;
		3315	}
		3316	}
		3317
		3318	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3319
		3320	1
		3321	}
		3322
		3323	cf::global->attach (on_resource_update => sub {
		3324	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3325	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3326
		3327	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3328	my $sound = $soundconf->{compat}[$_]
		3329	or next;
		3330
		3331	my $face = cf::face::find "sound/$sound->[1]";
		3332	cf::sound::set $sound->[0] => $face;
		3333	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3334	}
		3335
		3336	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3337	my $face = cf::face::find "sound/$v";
		3338	cf::sound::set $k => $face;
		3339	}
		3340	}
		3341	});
		3342
		3343	register_exticmd fx_want => sub {
		3344	my ($ns, $want) = @_;
		3345
		3346	while (my ($k, $v) = each %$want) {
		3347	$ns->fx_want ($k, $v);
		3348	}
		3349	};
		3350
		3351	sub load_resource_file($) {
		3352	my $guard = lock_acquire "load_resource_file";
		3353
		3354	my $status = load_resource_file_ $_[0];
		3355	get_slot 0.1, 100;
		3356	cf::arch::commit_load;
		3357
		3358	$status
		3359	}
		3360
		3361	sub reload_regions {
		3362	# HACK to clear player env face cache, we need some signal framework
		3363	# for this (global event?)
		3364	%ext::player_env::MUSIC_FACE_CACHE = ();
		3365
		3366	load_resource_file "$MAPDIR/regions"
		3367	or die "unable to load regions file\n";
		3368
		3369	for (cf::region::list) {
		3370	$_->{match} = qr/$_->{match}/
		3371	if exists $_->{match};
		3372	}
		3373	}
		3374
		3375	sub reload_facedata {
		3376	load_facedata "$DATADIR/facedata"
		3377	or die "unable to load facedata\n";
		3378	}
		3379
		3380	sub reload_archetypes {
		3381	load_resource_file "$DATADIR/archetypes"
		3382	or die "unable to load archetypes\n";
		3383	}
		3384
		3385	sub reload_treasures {
		3386	load_resource_file "$DATADIR/treasures"
		3387	or die "unable to load treasurelists\n";
		3388	}
		3389
		3390	sub reload_resources {
		3391	warn "reloading resource files...\n";
		3392
		3393	reload_facedata;
		3394	reload_archetypes;
		3395	reload_regions;
		3396	reload_treasures;
		3397
		3398	warn "finished reloading resource files\n";
		3399	}
		3400
		3401	sub init {
		3402	my $guard = freeze_mainloop;
		3403
		3404	evthread_start IO::AIO::poll_fileno;
		3405
		3406	reload_resources;
		3407	}
		3408
		3409	sub reload_config {
2202	open my $fh, "<:utf8", cf::confdir . "/config"	3410	open my $fh, "<:utf8", "$CONFDIR/config"
2203	or return;	3411	or return;
2204		3412
2205	local $/;	3413	local $/;
2206	*CFG = YAML::Syck::Load <$fh>;	3414	*CFG = YAML::Load <$fh>;
2207		3415
2208	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3416	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2209		3417
2210	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3418	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2211	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3419	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2221		3429
2222	sub main {	3430	sub main {
2223	# we must not ever block the main coroutine	3431	# we must not ever block the main coroutine
2224	local $Coro::idle = sub {	3432	local $Coro::idle = sub {
2225	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3433	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2226	async { Event::one_event };	3434	(async {
		3435	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3436	EV::loop EV::LOOP_ONESHOT;
		3437	})->prio (Coro::PRIO_MAX);
2227	};	3438	};
2228		3439
2229	cfg_load;	3440	{
2230	db_load;	3441	my $guard = freeze_mainloop;
		3442	reload_config;
		3443	db_init;
2231	load_extensions;	3444	load_extensions;
		3445
		3446	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3447	}
		3448
2232	Event::loop;	3449	EV::loop;
2233	}	3450	}
2234		3451
2235	#############################################################################	3452	#############################################################################
2236	# initialisation and cleanup	3453	# initialisation and cleanup
2237		3454
2238	# install some emergency cleanup handlers	3455	# install some emergency cleanup handlers
2239	BEGIN {	3456	BEGIN {
		3457	our %SIGWATCHER = ();
2240	for my $signal (qw(INT HUP TERM)) {	3458	for my $signal (qw(INT HUP TERM)) {
2241	Event->signal (	3459	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2242	data => WF_AUTOCANCEL,
2243	signal => $signal,
2244	cb => sub {
2245	cf::cleanup "SIG$signal";	3460	cf::cleanup "SIG$signal";
2246	},
2247	);	3461	};
		3462	}
		3463	}
		3464
		3465	sub write_runtime_sync {
		3466	my $runtime = "$LOCALDIR/runtime";
		3467
		3468	# first touch the runtime file to show we are still running:
		3469	# the fsync below can take a very very long time.
		3470
		3471	IO::AIO::aio_utime $runtime, undef, undef;
		3472
		3473	my $guard = cf::lock_acquire "write_runtime";
		3474
		3475	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3476	or return;
		3477
		3478	my $value = $cf::RUNTIME + 90 + 10;
		3479	# 10 is the runtime save interval, for a monotonic clock
		3480	# 60 allows for the watchdog to kill the server.
		3481
		3482	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3483	and return;
		3484
		3485	# always fsync - this file is important
		3486	aio_fsync $fh
		3487	and return;
		3488
		3489	# touch it again to show we are up-to-date
		3490	aio_utime $fh, undef, undef;
		3491
		3492	close $fh
		3493	or return;
		3494
		3495	aio_rename "$runtime~", $runtime
		3496	and return;
		3497
		3498	warn "runtime file written.\n";
		3499
2248	}	3500	1
		3501	}
		3502
		3503	our $uuid_lock;
		3504	our $uuid_skip;
		3505
		3506	sub write_uuid_sync($) {
		3507	$uuid_skip ||= $_[0];
		3508
		3509	return if $uuid_lock;
		3510	local $uuid_lock = 1;
		3511
		3512	my $uuid = "$LOCALDIR/uuid";
		3513
		3514	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3515	or return;
		3516
		3517	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3518	$uuid_skip = 0;
		3519
		3520	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3521	and return;
		3522
		3523	# always fsync - this file is important
		3524	aio_fsync $fh
		3525	and return;
		3526
		3527	close $fh
		3528	or return;
		3529
		3530	aio_rename "$uuid~", $uuid
		3531	and return;
		3532
		3533	warn "uuid file written ($value).\n";
		3534
		3535	1
		3536
		3537	}
		3538
		3539	sub write_uuid($$) {
		3540	my ($skip, $sync) = @_;
		3541
		3542	$sync ? write_uuid_sync $skip
		3543	: async { write_uuid_sync $skip };
2249	}	3544	}
2250		3545
2251	sub emergency_save() {	3546	sub emergency_save() {
2252	my $freeze_guard = cf::freeze_mainloop;	3547	my $freeze_guard = cf::freeze_mainloop;
2253		3548
2254	warn "enter emergency perl save\n";	3549	warn "enter emergency perl save\n";
2255		3550
2256	cf::sync_job {	3551	cf::sync_job {
2257	# use a peculiar iteration method to avoid tripping on perl	3552	# use a peculiar iteration method to avoid tripping on perl
2258	# refcount bugs in for. also avoids problems with players	3553	# refcount bugs in for. also avoids problems with players
2259	# and maps saved/Destroyed asynchronously.	3554	# and maps saved/destroyed asynchronously.
2260	warn "begin emergency player save\n";	3555	warn "begin emergency player save\n";
2261	for my $login (keys %cf::PLAYER) {	3556	for my $login (keys %cf::PLAYER) {
2262	my $pl = $cf::PLAYER{$login} or next;	3557	my $pl = $cf::PLAYER{$login} or next;
2263	$pl->valid or next;	3558	$pl->valid or next;
		3559	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2264	$pl->save;	3560	$pl->save;
2265	}	3561	}
2266	warn "end emergency player save\n";	3562	warn "end emergency player save\n";
2267		3563
2268	warn "begin emergency map save\n";	3564	warn "begin emergency map save\n";
…		…
2270	my $map = $cf::MAP{$path} or next;	3566	my $map = $cf::MAP{$path} or next;
2271	$map->valid or next;	3567	$map->valid or next;
2272	$map->save;	3568	$map->save;
2273	}	3569	}
2274	warn "end emergency map save\n";	3570	warn "end emergency map save\n";
		3571
		3572	warn "begin emergency database checkpoint\n";
		3573	BDB::db_env_txn_checkpoint $DB_ENV;
		3574	warn "end emergency database checkpoint\n";
		3575
		3576	warn "begin write uuid\n";
		3577	write_uuid_sync 1;
		3578	warn "end write uuid\n";
2275	};	3579	};
2276		3580
2277	warn "leave emergency perl save\n";	3581	warn "leave emergency perl save\n";
2278	}	3582	}
2279		3583
		3584	sub post_cleanup {
		3585	my ($make_core) = @_;
		3586
		3587	warn Carp::longmess "post_cleanup backtrace"
		3588	if $make_core;
		3589	}
		3590
2280	sub reload() {	3591	sub do_reload_perl() {
2281	# can/must only be called in main	3592	# can/must only be called in main
2282	if ($Coro::current != $Coro::main) {	3593	if ($Coro::current != $Coro::main) {
2283	warn "can only reload from main coroutine\n";	3594	warn "can only reload from main coroutine";
2284	return;	3595	return;
2285	}	3596	}
2286		3597
2287	warn "reloading...";	3598	warn "reloading...";
2288		3599
2289	warn "freezing server";	3600	warn "entering sync_job";
2290	my $guard = freeze_mainloop;	3601
		3602	cf::sync_job {
		3603	cf::write_runtime_sync; # external watchdog should not bark
2291	cf::emergency_save;	3604	cf::emergency_save;
		3605	cf::write_runtime_sync; # external watchdog should not bark
2292		3606
2293	warn "sync database to disk";	3607	warn "syncing database to disk";
2294	cf::db_sync;	3608	BDB::db_env_txn_checkpoint $DB_ENV;
2295	IO::AIO::flush;
2296		3609
2297	eval {
2298	# if anything goes wrong in here, we should simply crash as we already saved	3610	# if anything goes wrong in here, we should simply crash as we already saved
2299		3611
2300	warn "cancel all watchers";	3612	warn "flushing outstanding aio requests";
2301	for (Event::all_watchers) {	3613	for (;;) {
2302	$_->cancel if $_->data & WF_AUTOCANCEL;	3614	BDB::flush;
		3615	IO::AIO::flush;
		3616	Coro::cede_notself;
		3617	last unless IO::AIO::nreqs || BDB::nreqs;
		3618	warn "iterate...";
2303	}	3619	}
2304		3620
		3621	++$RELOAD;
		3622
2305	warn "cancel all extension coros";	3623	warn "cancelling all extension coros";
2306	$_->cancel for values %EXT_CORO;	3624	$_->cancel for values %EXT_CORO;
2307	%EXT_CORO = ();	3625	%EXT_CORO = ();
2308		3626
2309	warn "remove commands";	3627	warn "removing commands";
2310	%COMMAND = ();	3628	%COMMAND = ();
2311		3629
2312	warn "remove ext commands";	3630	warn "removing ext/exti commands";
2313	%EXTCMD = ();	3631	%EXTCMD = ();
		3632	%EXTICMD = ();
2314		3633
2315	warn "unload/nuke all extensions";	3634	warn "unloading/nuking all extensions";
2316	for my $pkg (@EXTS) {	3635	for my $pkg (@EXTS) {
2317	warn "... unloading $pkg";	3636	warn "... unloading $pkg";
2318		3637
2319	if (my $cb = $pkg->can ("unload")) {	3638	if (my $cb = $pkg->can ("unload")) {
2320	eval {	3639	eval {
…		…
2325		3644
2326	warn "... nuking $pkg";	3645	warn "... nuking $pkg";
2327	Symbol::delete_package $pkg;	3646	Symbol::delete_package $pkg;
2328	}	3647	}
2329		3648
2330	warn "unload all perl modules loaded from $LIBDIR";	3649	warn "unloading all perl modules loaded from $LIBDIR";
2331	while (my ($k, $v) = each %INC) {	3650	while (my ($k, $v) = each %INC) {
2332	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3651	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2333		3652
2334	warn "removing <$k>";	3653	warn "... unloading $k";
2335	delete $INC{$k};	3654	delete $INC{$k};
2336		3655
2337	$k =~ s/\.pm$//;	3656	$k =~ s/\.pm$//;
2338	$k =~ s/\//::/g;	3657	$k =~ s/\//::/g;
2339		3658
…		…
2342	}	3661	}
2343		3662
2344	Symbol::delete_package $k;	3663	Symbol::delete_package $k;
2345	}	3664	}
2346		3665
2347	warn "get rid of safe::, as good as possible";	3666	warn "getting rid of safe::, as good as possible";
2348	Symbol::delete_package "safe::$_"	3667	Symbol::delete_package "safe::$_"
2349	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3668	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2350		3669
2351	warn "unload cf.pm \"a bit\"";	3670	warn "unloading cf.pm \"a bit\"";
2352	delete $INC{"cf.pm"};	3671	delete $INC{"cf.pm"};
		3672	delete $INC{"cf/pod.pm"};
2353		3673
2354	# don't, removes xs symbols, too,	3674	# don't, removes xs symbols, too,
2355	# and global variables created in xs	3675	# and global variables created in xs
2356	#Symbol::delete_package __PACKAGE__;	3676	#Symbol::delete_package __PACKAGE__;
2357		3677
		3678	warn "unload completed, starting to reload now";
		3679
2358	warn "reloading cf.pm";	3680	warn "reloading cf.pm";
2359	require cf;	3681	require cf;
2360	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3682	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2361		3683
2362	warn "load config and database again";	3684	warn "loading config and database again";
2363	cf::cfg_load;	3685	cf::reload_config;
2364	cf::db_load;
2365		3686
2366	warn "load extensions";	3687	warn "loading extensions";
2367	cf::load_extensions;	3688	cf::load_extensions;
2368		3689
2369	warn "reattach attachments to objects/players";	3690	warn "reattaching attachments to objects/players";
2370	_global_reattach;	3691	_global_reattach; # objects, sockets
2371	warn "reattach attachments to maps";	3692	warn "reattaching attachments to maps";
2372	reattach $_ for values %MAP;	3693	reattach $_ for values %MAP;
		3694	warn "reattaching attachments to players";
		3695	reattach $_ for values %PLAYER;
		3696
		3697	warn "leaving sync_job";
		3698
		3699	1
		3700	} or do {
		3701	warn $@;
		3702	cf::cleanup "error while reloading, exiting.";
2373	};	3703	};
2374
2375	if ($@) {
2376	warn $@;
2377	warn "error while reloading, exiting.";
2378	exit 1;
2379	}
2380		3704
2381	warn "reloaded";	3705	warn "reloaded";
2382	};	3706	};
2383		3707
		3708	our $RELOAD_WATCHER; # used only during reload
		3709
		3710	sub reload_perl() {
		3711	# doing reload synchronously and two reloads happen back-to-back,
		3712	# coro crashes during coro_state_free->destroy here.
		3713
		3714	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3715	do_reload_perl;
		3716	undef $RELOAD_WATCHER;
		3717	};
		3718	}
		3719
2384	register_command "reload" => sub {	3720	register_command "reload" => sub {
2385	my ($who, $arg) = @_;	3721	my ($who, $arg) = @_;
2386		3722
2387	if ($who->flag (FLAG_WIZ)) {	3723	if ($who->flag (FLAG_WIZ)) {
2388	$who->message ("start of reload.");
2389	reload;
2390	$who->message ("end of reload.");	3724	$who->message ("reloading server.");
		3725	async {
		3726	$Coro::current->{desc} = "perl_reload";
		3727	reload_perl;
		3728	};
2391	}	3729	}
2392	};	3730	};
2393		3731
2394	unshift @INC, $LIBDIR;	3732	unshift @INC, $LIBDIR;
2395		3733
2396	$TICK_WATCHER = Event->timer (	3734	my $bug_warning = 0;
2397	reentrant => 0,
2398	prio => 0,
2399	at => $NEXT_TICK || $TICK,
2400	data => WF_AUTOCANCEL,
2401	cb => sub {
2402	$NOW = Event::time;
2403		3735
		3736	our @WAIT_FOR_TICK;
		3737	our @WAIT_FOR_TICK_BEGIN;
		3738
		3739	sub wait_for_tick {
		3740	return if tick_inhibit || $Coro::current == $Coro::main;
		3741
		3742	my $signal = new Coro::Signal;
		3743	push @WAIT_FOR_TICK, $signal;
		3744	$signal->wait;
		3745	}
		3746
		3747	sub wait_for_tick_begin {
		3748	return if tick_inhibit || $Coro::current == $Coro::main;
		3749
		3750	my $signal = new Coro::Signal;
		3751	push @WAIT_FOR_TICK_BEGIN, $signal;
		3752	$signal->wait;
		3753	}
		3754
		3755	sub tick {
		3756	if ($Coro::current != $Coro::main) {
		3757	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3758	unless ++$bug_warning > 10;
		3759	return;
		3760	}
		3761
2404	cf::server_tick; # one server iteration	3762	cf::server_tick; # one server iteration
2405	$RUNTIME += $TICK;
2406	$NEXT_TICK += $TICK;
2407		3763
2408	$WAIT_FOR_TICK->broadcast;	3764	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2409	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3765	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2410		3766	Coro::async_pool {
2411	# if we are delayed by four ticks or more, skip them all	3767	$Coro::current->{desc} = "runtime saver";
2412	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2413
2414	$TICK_WATCHER->at ($NEXT_TICK);
2415	$TICK_WATCHER->start;
2416	},
2417	);
2418
2419	IO::AIO::max_poll_time $TICK * 0.2;
2420
2421	Event->io (
2422	fd => IO::AIO::poll_fileno,
2423	poll => 'r',
2424	prio => 5,
2425	data => WF_AUTOCANCEL,
2426	cb => \&IO::AIO::poll_cb,
2427	);
2428
2429	Event->timer (
2430	data => WF_AUTOCANCEL,
2431	after => 0,
2432	interval => 10,
2433	cb => sub {
2434	(Coro::unblock_sub {
2435	write_runtime	3768	write_runtime_sync
2436	or warn "ERROR: unable to write runtime file: $!";	3769	or warn "ERROR: unable to write runtime file: $!";
2437	})->();	3770	};
2438	},	3771	}
2439	);	3772
		3773	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3774	$sig->send;
		3775	}
		3776	while (my $sig = shift @WAIT_FOR_TICK) {
		3777	$sig->send;
		3778	}
		3779
		3780	$LOAD = ($NOW - $TICK_START) / $TICK;
		3781	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3782
		3783	if (0) {
		3784	if ($NEXT_TICK) {
		3785	my $jitter = $TICK_START - $NEXT_TICK;
		3786	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3787	warn "jitter $JITTER\n";#d#
		3788	}
		3789	}
		3790	}
		3791
		3792	{
		3793	# configure BDB
		3794
		3795	BDB::min_parallel 8;
		3796	BDB::max_poll_reqs $TICK * 0.1;
		3797	$AnyEvent::BDB::WATCHER->priority (1);
		3798
		3799	unless ($DB_ENV) {
		3800	$DB_ENV = BDB::db_env_create;
		3801	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3802	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3803	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3804	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3805	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3806
		3807	cf::sync_job {
		3808	eval {
		3809	BDB::db_env_open
		3810	$DB_ENV,
		3811	$BDBDIR,
		3812	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3813	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3814	0666;
		3815
		3816	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3817	};
		3818
		3819	cf::cleanup "db_env_open(db): $@" if $@;
		3820	};
		3821	}
		3822
		3823	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3824	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3825	};
		3826	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3827	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3828	};
		3829	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3830	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3831	};
		3832	}
		3833
		3834	{
		3835	# configure IO::AIO
		3836
		3837	IO::AIO::min_parallel 8;
		3838	IO::AIO::max_poll_time $TICK * 0.1;
		3839	undef $AnyEvent::AIO::WATCHER;
		3840	}
		3841
		3842	my $_log_backtrace;
		3843
		3844	sub _log_backtrace {
		3845	my ($msg, @addr) = @_;
		3846
		3847	$msg =~ s/\n//;
		3848
		3849	# limit the # of concurrent backtraces
		3850	if ($_log_backtrace < 2) {
		3851	++$_log_backtrace;
		3852	async {
		3853	$Coro::current->{desc} = "abt $msg";
		3854
		3855	my @bt = fork_call {
		3856	@addr = map { sprintf "%x", $_ } @addr;
		3857	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3858	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3859	or die "addr2line: $!";
		3860
		3861	my @funcs;
		3862	my @res = <$fh>;
		3863	chomp for @res;
		3864	while (@res) {
		3865	my ($func, $line) = splice @res, 0, 2, ();
		3866	push @funcs, "[$func] $line";
		3867	}
		3868
		3869	@funcs
		3870	};
		3871
		3872	LOG llevInfo, "[ABT] $msg\n";
		3873	LOG llevInfo, "[ABT] $_\n" for @bt;
		3874	--$_log_backtrace;
		3875	};
		3876	} else {
		3877	LOG llevInfo, "[ABT] $msg\n";
		3878	LOG llevInfo, "[ABT] [suppressed]\n";
		3879	}
		3880	}
		3881
		3882	# load additional modules
		3883	use cf::pod;
2440		3884
2441	END { cf::emergency_save }	3885	END { cf::emergency_save }
2442		3886
2443	1	3887	1
2444		3888

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