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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 1.441 by root, Sat Aug 30 05:19:03 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
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
		31	use EV;
9	use Opcode;	32	use Opcode;
10	use Safe;	33	use Safe;
11	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
12		36
13	use Coro 3.3 ();	37	use Coro ();
		38	use Coro::State;
		39	use Coro::Handle;
		40	use Coro::EV;
14	use Coro::Event;	41	use Coro::AnyEvent;
15	use Coro::Timer;	42	use Coro::Timer;
16	use Coro::Signal;	43	use Coro::Signal;
17	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
18	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
		48	use Coro::Storable;
		49	use Coro::Util ();
19		50
		51	use JSON::XS 2.01 ();
		52	use BDB ();
20	use Data::Dumper;	53	use Data::Dumper;
21	use Digest::MD5;	54	use Digest::MD5;
22	use Fcntl;	55	use Fcntl;
		56	use YAML ();
23	use IO::AIO 2.32 ();	57	use IO::AIO ();
24	use YAML::Syck ();
25	use Time::HiRes;	58	use Time::HiRes;
		59	use Compress::LZF;
		60	use Digest::MD5 ();
26		61
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	62	AnyEvent::detect;
		63
		64	# configure various modules to our taste
		65	#
		66	$Storable::canonical = 1; # reduce rsync transfers
		67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		68	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
28		71
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	72	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		73
36	our %COMMAND = ();	74	our %COMMAND = ();
37	our %COMMAND_TIME = ();	75	our %COMMAND_TIME = ();
38		76
39	our @EXTS = (); # list of extension package names	77	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	78	our %EXTCMD = ();
		79	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	80	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	81	our %EXT_MAP = (); # pluggable maps
43		82
		83	our $RELOAD; # number of reloads so far
44	our @EVENT;	84	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		85
47	our $TICK = MAX_TIME * 1e-6;	86	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	87	our $DATADIR = datadir;
		88	our $LIBDIR = "$DATADIR/ext";
		89	our $PODDIR = "$DATADIR/pod";
		90	our $MAPDIR = "$DATADIR/" . mapdir;
		91	our $LOCALDIR = localdir;
		92	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		93	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		94	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		95	our $RANDOMDIR = "$LOCALDIR/random";
		96	our $BDBDIR = "$LOCALDIR/db";
		97	our %RESOURCE;
		98
		99	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		100	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	101	our $NEXT_TICK;
50	our $NOW;	102	our $USE_FSYNC = 1; # use fsync to write maps - default off
		103
		104	our $BDB_DEADLOCK_WATCHER;
		105	our $BDB_CHECKPOINT_WATCHER;
		106	our $BDB_TRICKLE_WATCHER;
		107	our $DB_ENV;
51		108
52	our %CFG;	109	our %CFG;
53		110
54	our $UPTIME; $UPTIME ||= time;	111	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	112	our $RUNTIME;
		113	our $NOW;
56		114
57	our %PLAYER; # all users	115	our (%PLAYER, %PLAYER_LOADING); # all users
58	our %MAP; # all maps	116	our (%MAP, %MAP_LOADING ); # all maps
59	our $LINK_MAP; # the special {link} map, which is always available	117	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		118
65	# used to convert map paths into valid unix filenames by replacing / by ∕	119	# used to convert map paths into valid unix filenames by replacing / by ∕
66	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	120	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
67		121
		122	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		123	our $LOADAVG; # same thing, but with alpha-smoothing
		124	our $JITTER; # average jitter
		125	our $TICK_START; # for load detecting purposes
		126
68	binmode STDOUT;	127	binmode STDOUT;
69	binmode STDERR;	128	binmode STDERR;
70		129
71	# read virtual server time, if available	130	# read virtual server time, if available
72	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	131	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
73	open my $fh, "<", cf::localdir . "/runtime"	132	open my $fh, "<", "$LOCALDIR/runtime"
74	or die "unable to read runtime file: $!";	133	or die "unable to read runtime file: $!";
75	$RUNTIME = <$fh> + 0.;	134	$RUNTIME = <$fh> + 0.;
76	}	135	}
77		136
78	mkdir cf::localdir;	137	mkdir $_
79	mkdir cf::localdir . "/" . cf::playerdir;	138	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
80	mkdir cf::localdir . "/" . cf::tmpdir;
81	mkdir cf::localdir . "/" . cf::uniquedir;
82	mkdir $RANDOM_MAPS;
83		139
84	our $EMERGENCY_POSITION;	140	our $EMERGENCY_POSITION;
		141
		142	sub cf::map::normalise;
85		143
86	#############################################################################	144	#############################################################################
87		145
88	=head2 GLOBAL VARIABLES	146	=head2 GLOBAL VARIABLES
89		147
…		…
96	=item $cf::RUNTIME	154	=item $cf::RUNTIME
97		155
98	The time this server has run, starts at 0 and is increased by $cf::TICK on	156	The time this server has run, starts at 0 and is increased by $cf::TICK on
99	every server tick.	157	every server tick.
100		158
101	=item $cf::LIBDIR	159	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		160	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		161	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
102		162
103	The perl library directory, where extensions and cf-specific modules can	163	Various directories - "/etc", read-only install directory, perl-library
104	be found. It will be added to C<@INC> automatically.	164	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		165	unique-items directory, player file directory, random maps directory and
		166	database environment.
105		167
106	=item $cf::NOW	168	=item $cf::NOW
107		169
108	The time of the last (current) server tick.	170	The time of the last (current) server tick.
109		171
110	=item $cf::TICK	172	=item $cf::TICK
111		173
112	The interval between server ticks, in seconds.	174	The interval between server ticks, in seconds.
113		175
		176	=item $cf::LOADAVG
		177
		178	The current CPU load on the server (alpha-smoothed), as a value between 0
		179	(none) and 1 (overloaded), indicating how much time is spent on processing
		180	objects per tick. Healthy values are < 0.5.
		181
		182	=item $cf::LOAD
		183
		184	The raw value load value from the last tick.
		185
114	=item %cf::CFG	186	=item %cf::CFG
115		187
116	Configuration for the server, loaded from C</etc/crossfire/config>, or	188	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
117	from wherever your confdir points to.	189	from wherever your confdir points to.
118		190
119	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	191	=item cf::wait_for_tick, cf::wait_for_tick_begin
120		192
121	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	193	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	194	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	195	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.	196
		197	=item @cf::INVOKE_RESULTS
		198
		199	This array contains the results of the last C<invoke ()> call. When
		200	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		201	that call.
125		202
126	=back	203	=back
127		204
128	=cut	205	=cut
129		206
130	BEGIN {	207	BEGIN {
131	*CORE::GLOBAL::warn = sub {	208	*CORE::GLOBAL::warn = sub {
132	my $msg = join "", @_;	209	my $msg = join "", @_;
133	utf8::encode $msg;
134		210
135	$msg .= "\n"	211	$msg .= "\n"
136	unless $msg =~ /\n$/;	212	unless $msg =~ /\n$/;
137		213
		214	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		215
138	LOG llevError, $msg;	216	LOG llevError, $msg;
139	};	217	};
140	}	218	}
		219
		220	$Coro::State::DIEHOOK = sub {
		221	return unless $^S eq 0; # "eq", not "=="
		222
		223	if ($Coro::current == $Coro::main) {#d#
		224	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		225	return;#d#
		226	}#d#
		227
		228	# kill coroutine otherwise
		229	warn Carp::longmess $_[0];
		230	Coro::terminate
		231	};
		232
		233	$SIG{__DIE__} = sub { }; #d#?
141		234
142	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	235	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
143	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	236	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
144	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	237	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
145	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	238	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
146	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	239	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		240	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
147	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	241	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
148		242
149	# we bless all objects into (empty) derived classes to force a method lookup	243	# we bless all objects into (empty) derived classes to force a method lookup
150	# within the Safe compartment.	244	# within the Safe compartment.
151	for my $pkg (qw(	245	for my $pkg (qw(
152	cf::global cf::attachable	246	cf::global cf::attachable
153	cf::object cf::object::player	247	cf::object cf::object::player
154	cf::client cf::player	248	cf::client cf::player
155	cf::arch cf::living	249	cf::arch cf::living
		250	cf::map cf::mapspace
156	cf::map cf::party cf::region	251	cf::party cf::region
157	)) {	252	)) {
158	no strict 'refs';
159	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	253	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
160	}	254	}
161		255
162	$Event::DIED = sub {	256	$EV::DIED = sub {
163	warn "error in event callback: @_";	257	warn "error in event callback: @_";
164	};	258	};
		259
		260	#############################################################################
165		261
166	=head2 UTILITY FUNCTIONS	262	=head2 UTILITY FUNCTIONS
167		263
168	=over 4	264	=over 4
169		265
…		…
188	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	284	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189	$d	285	$d
190	} || "[unable to dump $_[0]: '$@']";	286	} || "[unable to dump $_[0]: '$@']";
191	}	287	}
192		288
193	use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195	=item $ref = cf::from_json $json	289	=item $ref = cf::decode_json $json
196		290
197	Converts a JSON string into the corresponding perl data structure.	291	Converts a JSON string into the corresponding perl data structure.
198		292
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	293	=item $json = cf::encode_json $ref
207		294
208	Converts a perl data structure into its JSON representation.	295	Converts a perl data structure into its JSON representation.
209		296
210	=cut	297	=cut
211		298
212	sub to_json($) {	299	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	300
214	JSON::Syck::Dump $_[0]	301	sub encode_json($) { $json_coder->encode ($_[0]) }
215	}	302	sub decode_json($) { $json_coder->decode ($_[0]) }
216		303
217	=item cf::lock_wait $string	304	=item cf::lock_wait $string
218		305
219	Wait until the given lock is available. See cf::lock_acquire.	306	Wait until the given lock is available. See cf::lock_acquire.
220		307
…		…
223	Wait until the given lock is available and then acquires it and returns	310	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,	311	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	312	for example when the coroutine gets canceled), the lock is automatically
226	returned.	313	returned.
227		314
		315	Locks are *not* recursive, locking from the same coro twice results in a
		316	deadlocked coro.
		317
228	Lock names should begin with a unique identifier (for example, cf::map::find	318	Lock names should begin with a unique identifier (for example, cf::map::find
229	uses map_find and cf::map::load uses map_load).	319	uses map_find and cf::map::load uses map_load).
230		320
		321	=item $locked = cf::lock_active $string
		322
		323	Return true if the lock is currently active, i.e. somebody has locked it.
		324
231	=cut	325	=cut
232		326
233	our %LOCK;	327	our %LOCK;
		328	our %LOCKER;#d#
234		329
235	sub lock_wait($) {	330	sub lock_wait($) {
236	my ($key) = @_;	331	my ($key) = @_;
		332
		333	if ($LOCKER{$key} == $Coro::current) {#d#
		334	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		335	return;#d#
		336	}#d#
237		337
238	# wait for lock, if any	338	# wait for lock, if any
239	while ($LOCK{$key}) {	339	while ($LOCK{$key}) {
240	push @{ $LOCK{$key} }, $Coro::current;	340	push @{ $LOCK{$key} }, $Coro::current;
241	Coro::schedule;	341	Coro::schedule;
…		…
247		347
248	# wait, to be sure we are not locked	348	# wait, to be sure we are not locked
249	lock_wait $key;	349	lock_wait $key;
250		350
251	$LOCK{$key} = [];	351	$LOCK{$key} = [];
		352	$LOCKER{$key} = $Coro::current;#d#
252		353
253	Coro::guard {	354	Coro::guard {
		355	delete $LOCKER{$key};#d#
254	# wake up all waiters, to be on the safe side	356	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };	357	$_->ready for @{ delete $LOCK{$key} };
256	}	358	}
257	}	359	}
258		360
		361	sub lock_active($) {
		362	my ($key) = @_;
		363
		364	! ! $LOCK{$key}
		365	}
		366
259	sub freeze_mainloop {	367	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
261		369
262	my $guard = Coro::guard { $TICK_WATCHER->start };	370	Coro::guard \&tick_inhibit_dec;
263	$TICK_WATCHER->stop;	371	}
264	$guard	372
		373	=item cf::periodic $interval, $cb
		374
		375	Like EV::periodic, but randomly selects a starting point so that the actions
		376	get spread over timer.
		377
		378	=cut
		379
		380	sub periodic($$) {
		381	my ($interval, $cb) = @_;
		382
		383	my $start = rand List::Util::min 180, $interval;
		384
		385	EV::periodic $start, $interval, 0, $cb
		386	}
		387
		388	=item cf::get_slot $time[, $priority[, $name]]
		389
		390	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		391	This call blocks and returns only when you have at least C<$time> seconds
		392	of cpu time till the next tick. The slot is only valid till the next cede.
		393
		394	The optional C<$name> can be used to identify the job to run. It might be
		395	used for statistical purposes and should identify the same time-class.
		396
		397	Useful for short background jobs.
		398
		399	=cut
		400
		401	our @SLOT_QUEUE;
		402	our $SLOT_QUEUE;
		403
		404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		405	$SLOT_QUEUE = Coro::async {
		406	$Coro::current->desc ("timeslot manager");
		407
		408	my $signal = new Coro::Signal;
		409
		410	while () {
		411	next_job:
		412	my $avail = cf::till_tick;
		413	if ($avail > 0.01) {
		414	for (0 .. $#SLOT_QUEUE) {
		415	if ($SLOT_QUEUE[$_][0] < $avail) {
		416	my $job = splice @SLOT_QUEUE, $_, 1, ();
		417	$job->[2]->send;
		418	Coro::cede;
		419	goto next_job;
		420	}
		421	}
		422	}
		423
		424	if (@SLOT_QUEUE) {
		425	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		426	push @cf::WAIT_FOR_TICK, $signal;
		427	$signal->wait;
		428	} else {
		429	Coro::schedule;
		430	}
		431	}
		432	};
		433
		434	sub get_slot($;$$) {
		435	return if tick_inhibit || $Coro::current == $Coro::main;
		436
		437	my ($time, $pri, $name) = @_;
		438
		439	$time = $TICK * .6 if $time > $TICK * .6;
		440	my $sig = new Coro::Signal;
		441
		442	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		443	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		444	$SLOT_QUEUE->ready;
		445	$sig->wait;
265	}	446	}
266		447
267	=item cf::async { BLOCK }	448	=item cf::async { BLOCK }
268		449
269	Currently the same as Coro::async_pool, meaning you cannot use	450	Currently the same as Coro::async_pool, meaning you cannot use
…		…
274		455
275	BEGIN { *async = \&Coro::async_pool }	456	BEGIN { *async = \&Coro::async_pool }
276		457
277	=item cf::sync_job { BLOCK }	458	=item cf::sync_job { BLOCK }
278		459
279	The design of crossfire+ requires that the main coro ($Coro::main) is	460	The design of Deliantra requires that the main coroutine ($Coro::main)
280	always able to handle events or runnable, as crossfire+ is only partly	461	is always able to handle events or runnable, as Deliantra is only
281	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	462	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		463	acceptable.
282		464
283	If it must be done, put the blocking parts into C<sync_job>. This will run	465	If it must be done, put the blocking parts into C<sync_job>. This will run
284	the given BLOCK in another coroutine while waiting for the result. The	466	the given BLOCK in another coroutine while waiting for the result. The
285	server will be frozen during this time, so the block should either finish	467	server will be frozen during this time, so the block should either finish
286	fast or be very important.	468	fast or be very important.
…		…
289		471
290	sub sync_job(&) {	472	sub sync_job(&) {
291	my ($job) = @_;	473	my ($job) = @_;
292		474
293	if ($Coro::current == $Coro::main) {	475	if ($Coro::current == $Coro::main) {
		476	my $time = EV::time;
		477
294	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
296		480
297	# TODO: use suspend/resume instead	481	LOG llevError, Carp::longmess "sync job";#d#
298	# (but this is cancel-safe)	482
299	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
300		484
301	my $busy = 1;	485	my $busy = 1;
302	my @res;	486	my @res;
303		487
304	(async {	488	(async {
		489	$Coro::current->desc ("sync job coro");
305	@res = eval { $job->() };	490	@res = eval { $job->() };
306	warn $@ if $@;	491	warn $@ if $@;
307	undef $busy;	492	undef $busy;
308	})->prio (Coro::PRIO_MAX);	493	})->prio (Coro::PRIO_MAX);
309		494
310	while ($busy) {	495	while ($busy) {
311	Coro::cede or Event::one_event;	496	if (Coro::nready) {
		497	Coro::cede_notself;
		498	} else {
		499	EV::loop EV::LOOP_ONESHOT;
312	}	500	}
		501	}
		502
		503	my $time = EV::time - $time;
		504
		505	$TICK_START += $time; # do not account sync jobs to server load
313		506
314	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
315	} else {	508	} else {
316	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
317		510
…		…
337	$EXT_CORO{$coro+0} = $coro;	530	$EXT_CORO{$coro+0} = $coro;
338		531
339	$coro	532	$coro
340	}	533	}
341		534
342	sub write_runtime {	535	=item fork_call { }, $args
343	return unless $TICK_WATCHER->is_active;
344		536
345	my $runtime = cf::localdir . "/runtime";	537	Executes the given code block with the given arguments in a seperate
		538	process, returning the results. Everything must be serialisable with
		539	Coro::Storable. May, of course, block. Note that the executed sub may
		540	never block itself or use any form of event handling.
346		541
347	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	542	=cut
348	or return;
349		543
350	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	544	sub fork_call(&@) {
351	(aio_write $fh, 0, (length $value), $value, 0) <= 0	545	my ($cb, @args) = @_;
352	and return;
353		546
354	aio_fsync $fh	547	# we seemingly have to make a local copy of the whole thing,
355	and return;	548	# otherwise perl prematurely frees the stuff :/
		549	# TODO: investigate and fix (likely this will be rather laborious)
356		550
357	close $fh	551	my @res = Coro::Util::fork_eval {
358	or return;	552	reset_signals;
		553	&$cb
		554	}, @args;
359		555
360	aio_rename "$runtime~", $runtime	556	wantarray ? @res : $res[-1]
361	and return;	557	}
362		558
		559	=item $coin = coin_from_name $name
		560
		561	=cut
		562
		563	our %coin_alias = (
		564	"silver" => "silvercoin",
		565	"silvercoin" => "silvercoin",
		566	"silvercoins" => "silvercoin",
		567	"gold" => "goldcoin",
		568	"goldcoin" => "goldcoin",
		569	"goldcoins" => "goldcoin",
		570	"platinum" => "platinacoin",
		571	"platinumcoin" => "platinacoin",
		572	"platinumcoins" => "platinacoin",
		573	"platina" => "platinacoin",
		574	"platinacoin" => "platinacoin",
		575	"platinacoins" => "platinacoin",
		576	"royalty" => "royalty",
		577	"royalties" => "royalty",
		578	);
		579
		580	sub coin_from_name($) {
		581	$coin_alias{$_[0]}
		582	? cf::arch::find $coin_alias{$_[0]}
		583	: undef
		584	}
		585
		586	=item $value = cf::db_get $family => $key
		587
		588	Returns a single value from the environment database.
		589
		590	=item cf::db_put $family => $key => $value
		591
		592	Stores the given C<$value> in the family. It can currently store binary
		593	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		594
		595	=item $db = cf::db_table "name"
		596
		597	Create and/or open a new database table. The string must not be "db" and must be unique
		598	within each server.
		599
		600	=cut
		601
		602	sub db_table($) {
		603	my ($name) = @_;
		604	my $db = BDB::db_create $DB_ENV;
		605
		606	eval {
		607	$db->set_flags (BDB::CHKSUM);
		608
		609	utf8::encode $name;
		610	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		611	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		612	cf::cleanup "db_open(db): $!" if $!;
		613	};
		614	cf::cleanup "db_open(db): $@" if $@;
		615
		616	$db
		617	}
		618
		619	our $DB;
		620
		621	sub db_init {
		622	cf::sync_job {
		623	$DB ||= db_table "db";
		624	};
		625	}
		626
		627	sub db_get($$) {
		628	my $key = "$_[0]/$_[1]";
		629
		630	cf::sync_job {
		631	BDB::db_get $DB, undef, $key, my $data;
		632
		633	$! ? ()
		634	: $data
363	1	635	}
		636	}
		637
		638	sub db_put($$$) {
		639	BDB::dbreq_pri 4;
		640	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		641	}
		642
		643	=item cf::cache $id => [$paths...], $processversion => $process
		644
		645	Generic caching function that returns the value of the resource $id,
		646	caching and regenerating as required.
		647
		648	This function can block.
		649
		650	=cut
		651
		652	sub cache {
		653	my ($id, $src, $processversion, $process) = @_;
		654
		655	my $meta =
		656	join "\x00",
		657	$processversion,
		658	map {
		659	aio_stat $_
		660	and Carp::croak "$_: $!";
		661
		662	($_, (stat _)[7,9])
		663	} @$src;
		664
		665	my $dbmeta = db_get cache => "$id/meta";
		666	if ($dbmeta ne $meta) {
		667	# changed, we may need to process
		668
		669	my @data;
		670	my $md5;
		671
		672	for (0 .. $#$src) {
		673	0 <= aio_load $src->[$_], $data[$_]
		674	or Carp::croak "$src->[$_]: $!";
		675	}
		676
		677	# if processing is expensive, check
		678	# checksum first
		679	if (1) {
		680	$md5 =
		681	join "\x00",
		682	$processversion,
		683	map {
		684	cf::cede_to_tick;
		685	($src->[$_], Digest::MD5::md5_hex $data[$_])
		686	} 0.. $#$src;
		687
		688
		689	my $dbmd5 = db_get cache => "$id/md5";
		690	if ($dbmd5 eq $md5) {
		691	db_put cache => "$id/meta", $meta;
		692
		693	return db_get cache => "$id/data";
		694	}
		695	}
		696
		697	my $t1 = Time::HiRes::time;
		698	my $data = $process->(\@data);
		699	my $t2 = Time::HiRes::time;
		700
		701	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		702
		703	db_put cache => "$id/data", $data;
		704	db_put cache => "$id/md5" , $md5;
		705	db_put cache => "$id/meta", $meta;
		706
		707	return $data;
		708	}
		709
		710	db_get cache => "$id/data"
		711	}
		712
		713	=item cf::datalog type => key => value, ...
		714
		715	Log a datalog packet of the given type with the given key-value pairs.
		716
		717	=cut
		718
		719	sub datalog($@) {
		720	my ($type, %kv) = @_;
		721	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
364	}	722	}
365		723
366	=back	724	=back
367		725
368	=cut	726	=cut
…		…
375	attach callbacks/event handlers (a collection of which is called an "attachment")	733	attach callbacks/event handlers (a collection of which is called an "attachment")
376	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
377		735
378	In the following description, CLASS can be any of C<global>, C<object>	736	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	737	C<player>, C<client> or C<map> (i.e. the attachable objects in
380	crossfire+).	738	Deliantra).
381		739
382	=over 4	740	=over 4
383		741
384	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
385		743
…		…
499	our @CB_TYPE = (); # registry for type (cf-object class) based events	857	our @CB_TYPE = (); # registry for type (cf-object class) based events
500	our @CB_MAP = ();	858	our @CB_MAP = ();
501		859
502	my %attachment;	860	my %attachment;
503		861
		862	sub cf::attachable::thawer_merge {
		863	# simply override everything except _meta
		864	local $_[0]{_meta};
		865	%{$_[0]} = %{$_[1]};
		866	}
		867
504	sub _attach_cb($$$$) {	868	sub _attach_cb($$$$) {
505	my ($registry, $event, $prio, $cb) = @_;	869	my ($registry, $event, $prio, $cb) = @_;
506		870
507	use sort 'stable';	871	use sort 'stable';
508		872
…		…
542	$registry = $CB_TYPE[$object_type] ||= [];	906	$registry = $CB_TYPE[$object_type] ||= [];
543		907
544	} elsif ($type eq "subtype") {	908	} elsif ($type eq "subtype") {
545	defined $object_type or Carp::croak "subtype specified without type";	909	defined $object_type or Carp::croak "subtype specified without type";
546	my $object_subtype = shift @arg;	910	my $object_subtype = shift @arg;
547	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	911	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
548		912
549	} elsif ($type eq "package") {	913	} elsif ($type eq "package") {
550	my $pkg = shift @arg;	914	my $pkg = shift @arg;
551		915
552	while (my ($name, $id) = each %cb_id) {	916	while (my ($name, $id) = each %cb_id) {
…		…
581	_attach $registry, $klass, @attach;	945	_attach $registry, $klass, @attach;
582	}	946	}
583		947
584	$obj->{$name} = \%arg;	948	$obj->{$name} = \%arg;
585	} else {	949	} else {
586	warn "object uses attachment '$name' that is not available, postponing.\n";	950	warn "object uses attachment '$name' which is not available, postponing.\n";
587	}	951	}
588		952
589	$obj->{_attachment}{$name} = undef;	953	$obj->{_attachment}{$name} = undef;
590	}	954	}
591		955
…		…
593	if (ref $_[0]) {	957	if (ref $_[0]) {
594	_object_attach @_;	958	_object_attach @_;
595	} else {	959	} else {
596	_attach shift->_attach_registry, @_;	960	_attach shift->_attach_registry, @_;
597	}	961	}
		962	_recalc_want;
598	};	963	};
599		964
600	# all those should be optimised	965	# all those should be optimised
601	sub cf::attachable::detach {	966	sub cf::attachable::detach {
602	my ($obj, $name) = @_;	967	my ($obj, $name) = @_;
…		…
605	delete $obj->{_attachment}{$name};	970	delete $obj->{_attachment}{$name};
606	reattach ($obj);	971	reattach ($obj);
607	} else {	972	} else {
608	Carp::croak "cannot, currently, detach class attachments";	973	Carp::croak "cannot, currently, detach class attachments";
609	}	974	}
		975	_recalc_want;
610	};	976	};
611		977
612	sub cf::attachable::attached {	978	sub cf::attachable::attached {
613	my ($obj, $name) = @_;	979	my ($obj, $name) = @_;
614		980
…		…
629	";	995	";
630	die if $@;	996	die if $@;
631	}	997	}
632		998
633	our $override;	999	our $override;
634	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1000	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
635		1001
636	sub override {	1002	sub override {
637	$override = 1;	1003	$override = 1;
638	@invoke_results = ();	1004	@INVOKE_RESULTS = (@_);
639	}	1005	}
640		1006
641	sub do_invoke {	1007	sub do_invoke {
642	my $event = shift;	1008	my $event = shift;
643	my $callbacks = shift;	1009	my $callbacks = shift;
644		1010
645	@invoke_results = ();	1011	@INVOKE_RESULTS = ();
646		1012
647	local $override;	1013	local $override;
648		1014
649	for (@$callbacks) {	1015	for (@$callbacks) {
650	eval { &{$_->[1]} };	1016	eval { &{$_->[1]} };
…		…
659	}	1025	}
660		1026
661	0	1027	0
662	}	1028	}
663		1029
664	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
665		1031
666	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
667		1033
668	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
669		1035
670	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1036	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	1037	removed in future versions), and there is no public API to access override
672	results (if you must, access C<@cf::invoke_results> directly).	1038	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
673		1039
674	=back	1040	=back
675		1041
676	=cut	1042	=cut
677		1043
678	#############################################################################	1044	#############################################################################
679	# object support	1045	# object support
		1046
		1047	sub _object_equal($$);
		1048	sub _object_equal($$) {
		1049	my ($a, $b) = @_;
		1050
		1051	return 0 unless (ref $a) eq (ref $b);
		1052
		1053	if ("HASH" eq ref $a) {
		1054	my @ka = keys %$a;
		1055	my @kb = keys %$b;
		1056
		1057	return 0 if @ka != @kb;
		1058
		1059	for (0 .. $#ka) {
		1060	return 0 unless $ka[$_] eq $kb[$_];
		1061	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1062	}
		1063
		1064	} elsif ("ARRAY" eq ref $a) {
		1065
		1066	return 0 if @$a != @$b;
		1067
		1068	for (0 .. $#$a) {
		1069	return 0 unless _object_equal $a->[$_], $b->[$_];
		1070	}
		1071
		1072	} elsif ($a ne $b) {
		1073	return 0;
		1074	}
		1075
		1076	1
		1077	}
		1078
		1079	our $SLOW_MERGES;#d#
		1080	sub _can_merge {
		1081	my ($ob1, $ob2) = @_;
		1082
		1083	++$SLOW_MERGES;#d#
		1084
		1085	# we do the slow way here
		1086	return _object_equal $ob1, $ob2
		1087	}
680		1088
681	sub reattach {	1089	sub reattach {
682	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
683	my ($obj) = @_;	1091	my ($obj) = @_;
		1092
		1093	# no longer needed after getting rid of delete_package?
		1094	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
684		1095
685	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
686		1097
687	@$registry = ();	1098	@$registry = ();
688		1099
…		…
703	cf::attachable->attach (	1114	cf::attachable->attach (
704	prio => -1000000,	1115	prio => -1000000,
705	on_instantiate => sub {	1116	on_instantiate => sub {
706	my ($obj, $data) = @_;	1117	my ($obj, $data) = @_;
707		1118
708	$data = from_json $data;	1119	$data = decode_json $data;
709		1120
710	for (@$data) {	1121	for (@$data) {
711	my ($name, $args) = @$_;	1122	my ($name, $args) = @$_;
712		1123
713	$obj->attach ($name, %{$args || {} });	1124	$obj->attach ($name, %{$args || {} });
…		…
729	sub object_freezer_save {	1140	sub object_freezer_save {
730	my ($filename, $rdata, $objs) = @_;	1141	my ($filename, $rdata, $objs) = @_;
731		1142
732	sync_job {	1143	sync_job {
733	if (length $$rdata) {	1144	if (length $$rdata) {
		1145	utf8::decode (my $decname = $filename);
734	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
735	$filename, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
736		1148
737	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
738	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
739	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
740	aio_fsync $fh;	1152	aio_fsync $fh if $cf::USE_FSYNC;
741	close $fh;	1153	aio_close $fh;
742		1154
743	if (@$objs) {	1155	if (@$objs) {
744	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1156	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
745	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
746	my $data = Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
747	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
748	aio_fsync $fh;	1160	aio_fsync $fh if $cf::USE_FSYNC;
749	close $fh;	1161	aio_close $fh;
750	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
751	}	1163	}
752	} else {	1164	} else {
753	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
754	}	1166	}
…		…
759	}	1171	}
760	} else {	1172	} else {
761	aio_unlink $filename;	1173	aio_unlink $filename;
762	aio_unlink "$filename.pst";	1174	aio_unlink "$filename.pst";
763	}	1175	}
764	}	1176	};
765	}	1177	}
766		1178
767	sub object_freezer_as_string {	1179	sub object_freezer_as_string {
768	my ($rdata, $objs) = @_;	1180	my ($rdata, $objs) = @_;
769		1181
…		…
781	or return;	1193	or return;
782		1194
783	unless (aio_stat "$filename.pst") {	1195	unless (aio_stat "$filename.pst") {
784	(aio_load "$filename.pst", $av) >= 0	1196	(aio_load "$filename.pst", $av) >= 0
785	or return;	1197	or return;
		1198
786	$av = eval { (Storable::thaw $av)->{objs} };	1199	my $st = eval { Coro::Storable::thaw $av };
		1200	$av = $st->{objs};
787	}	1201	}
788		1202
		1203	utf8::decode (my $decname = $filename);
789	warn sprintf "loading %s (%d)\n",	1204	warn sprintf "loading %s (%d,%d)\n",
790	$filename, length $data, scalar @{$av || []};#d#	1205	$decname, length $data, scalar @{$av || []};
		1206
791	return ($data, $av);	1207	($data, $av)
792	}	1208	}
		1209
		1210	=head2 COMMAND CALLBACKS
		1211
		1212	=over 4
		1213
		1214	=cut
793		1215
794	#############################################################################	1216	#############################################################################
795	# command handling &c	1217	# command handling &c
796		1218
797	=item cf::register_command $name => \&callback($ob,$args);	1219	=item cf::register_command $name => \&callback($ob,$args);
…		…
810	push @{ $COMMAND{$name} }, [$caller, $cb];	1232	push @{ $COMMAND{$name} }, [$caller, $cb];
811	}	1233	}
812		1234
813	=item cf::register_extcmd $name => \&callback($pl,$packet);	1235	=item cf::register_extcmd $name => \&callback($pl,$packet);
814		1236
815	Register a callbackf ro execution when the client sends an extcmd packet.	1237	Register a callback for execution when the client sends an (synchronous)
		1238	extcmd packet. Ext commands will be processed in the order they are
		1239	received by the server, like other user commands. The first argument is
		1240	the logged-in player. Ext commands can only be processed after a player
		1241	has logged in successfully.
816		1242
817	If the callback returns something, it is sent back as if reply was being	1243	If the callback returns something, it is sent back as if reply was being
818	called.	1244	called.
819		1245
		1246	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1247
		1248	Register a callback for execution when the client sends an (asynchronous)
		1249	exticmd packet. Exti commands are processed by the server as soon as they
		1250	are received, i.e. out of order w.r.t. other commands. The first argument
		1251	is a client socket. Exti commands can be received anytime, even before
		1252	log-in.
		1253
		1254	If the callback returns something, it is sent back as if reply was being
		1255	called.
		1256
820	=cut	1257	=cut
821		1258
822	sub register_extcmd {	1259	sub register_extcmd {
823	my ($name, $cb) = @_;	1260	my ($name, $cb) = @_;
824		1261
825	$EXTCMD{$name} = $cb;	1262	$EXTCMD{$name} = $cb;
		1263	}
		1264
		1265	sub register_exticmd {
		1266	my ($name, $cb) = @_;
		1267
		1268	$EXTICMD{$name} = $cb;
826	}	1269	}
827		1270
828	cf::player->attach (	1271	cf::player->attach (
829	on_command => sub {	1272	on_command => sub {
830	my ($pl, $name, $params) = @_;	1273	my ($pl, $name, $params) = @_;
…		…
839	cf::override;	1282	cf::override;
840	},	1283	},
841	on_extcmd => sub {	1284	on_extcmd => sub {
842	my ($pl, $buf) = @_;	1285	my ($pl, $buf) = @_;
843		1286
844	my $msg = eval { from_json $buf };	1287	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
845		1288
846	if (ref $msg) {	1289	if (ref $msg) {
		1290	my ($type, $reply, @payload) =
		1291	"ARRAY" eq ref $msg
		1292	? @$msg
		1293	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1294
		1295	my @reply;
		1296
847	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1297	if (my $cb = $EXTCMD{$type}) {
848	if (my %reply = $cb->($pl, $msg)) {	1298	@reply = $cb->($pl, @payload);
849	$pl->ext_reply ($msg->{msgid}, %reply);
850	}
851	}	1299	}
		1300
		1301	$pl->ext_reply ($reply, @reply)
		1302	if $reply;
		1303
852	} else {	1304	} else {
853	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1305	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
854	}	1306	}
855		1307
856	cf::override;	1308	cf::override;
857	},	1309	},
858	);	1310	);
859		1311
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 {	1312	sub load_extensions {
		1313	cf::sync_job {
		1314	my %todo;
		1315
895	for my $ext (<$LIBDIR/*.ext>) {	1316	for my $path (<$LIBDIR/*.ext>) {
896	next unless -r $ext;	1317	next unless -r $path;
897	eval {	1318
898	load_extension $ext;	1319	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1320	my $base = $1;
		1321	my $pkg = $1;
		1322	$pkg =~ s/[^[:word:]]/_/g;
		1323	$pkg = "ext::$pkg";
		1324
		1325	open my $fh, "<:utf8", $path
		1326	or die "$path: $!";
		1327
		1328	my $source = do { local $/; <$fh> };
		1329
		1330	my %ext = (
		1331	path => $path,
		1332	base => $base,
		1333	pkg => $pkg,
		1334	);
		1335
		1336	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1337	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1338
		1339	$ext{source} =
		1340	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1341	. "#line 1 \"$path\"\n{\n"
		1342	. $source
		1343	. "\n};\n1";
		1344
		1345	$todo{$base} = \%ext;
		1346	}
		1347
		1348	my %done;
		1349	while (%todo) {
		1350	my $progress;
		1351
		1352	while (my ($k, $v) = each %todo) {
		1353	for (split /,\s*/, $v->{meta}{depends}) {
		1354	goto skip
		1355	unless exists $done{$_};
		1356	}
		1357
		1358	warn "... loading '$k' into '$v->{pkg}'\n";
		1359
		1360	unless (eval $v->{source}) {
		1361	my $msg = $@ ? "$v->{path}: $@\n"
		1362	: "$v->{base}: extension inactive.\n";
		1363
		1364	if (exists $v->{meta}{mandatory}) {
		1365	warn $msg;
		1366	cf::cleanup "mandatory extension failed to load, exiting.";
		1367	}
		1368
		1369	warn $msg;
		1370	}
		1371
		1372	$done{$k} = delete $todo{$k};
		1373	push @EXTS, $v->{pkg};
		1374	$progress = 1;
899	1	1375	}
900	} or warn "$ext not loaded: $@";	1376
		1377	skip:
		1378	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1379	unless $progress;
		1380	}
901	}	1381	};
902	}	1382	}
903		1383
904	#############################################################################	1384	#############################################################################
905	# load/save/clean perl data associated with a map
906		1385
907	*cf::mapsupport::on_clean = sub {	1386	=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		1387
920	=head2 CORE EXTENSIONS	1388	=head2 CORE EXTENSIONS
921		1389
922	Functions and methods that extend core crossfire objects.	1390	Functions and methods that extend core crossfire objects.
923		1391
…		…
929		1397
930	=head3 cf::player	1398	=head3 cf::player
931		1399
932	=over 4	1400	=over 4
933		1401
		1402	=item cf::player::num_playing
		1403
		1404	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1405
		1406	=cut
		1407
		1408	sub num_playing {
		1409	scalar grep
		1410	$_->ob->map
		1411	&& !$_->hidden
		1412	&& !$_->ob->flag (cf::FLAG_WIZ),
		1413	cf::player::list
		1414	}
		1415
934	=item cf::player::find $login	1416	=item cf::player::find $login
935		1417
936	Returns the given player object, loading it if necessary (might block).	1418	Returns the given player object, loading it if necessary (might block).
937		1419
938	=cut	1420	=cut
939		1421
940	sub playerdir($) {	1422	sub playerdir($) {
941	cf::localdir	1423	"$PLAYERDIR/"
942	. "/"
943	. cf::playerdir
944	. "/"
945	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1424	. (ref $_[0] ? $_[0]->ob->name : $_[0])
946	}	1425	}
947		1426
948	sub path($) {	1427	sub path($) {
949	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1428	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
950		1429
951	(playerdir $login) . "/$login.pl"	1430	(playerdir $login) . "/playerdata"
952	}	1431	}
953		1432
954	sub find_active($) {	1433	sub find_active($) {
955	$cf::PLAYER{$_[0]}	1434	$cf::PLAYER{$_[0]}
956	and $cf::PLAYER{$_[0]}->active	1435	and $cf::PLAYER{$_[0]}->active
…		…
959		1438
960	sub exists($) {	1439	sub exists($) {
961	my ($login) = @_;	1440	my ($login) = @_;
962		1441
963	$cf::PLAYER{$login}	1442	$cf::PLAYER{$login}
964	or cf::sync_job { !aio_stat $login }	1443	or cf::sync_job { !aio_stat path $login }
965	}	1444	}
966		1445
967	sub find($) {	1446	sub find($) {
968	return $cf::PLAYER{$_[0]} || do {	1447	return $cf::PLAYER{$_[0]} || do {
969	my $login = $_[0];	1448	my $login = $_[0];
970		1449
971	my $guard = cf::lock_acquire "user_find:$login";	1450	my $guard = cf::lock_acquire "user_find:$login";
972		1451
973	$cf::PLAYER{$_[0]} || do {	1452	$cf::PLAYER{$_[0]} || do {
974	my $pl = load_pl path $login	1453	# rename old playerfiles to new ones
		1454	#TODO: remove when no longer required
		1455	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1456	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1457	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1458	aio_unlink +(playerdir $login) . "/$login.pl";
		1459
		1460	my $f = new_from_file cf::object::thawer path $login
975	or return;	1461	or return;
		1462
		1463	my $pl = cf::player::load_pl $f
		1464	or return;
		1465
		1466	local $cf::PLAYER_LOADING{$login} = $pl;
		1467	$f->resolve_delayed_derefs;
976	$cf::PLAYER{$login} = $pl	1468	$cf::PLAYER{$login} = $pl
977	}	1469	}
978	}	1470	}
979	}	1471	}
980		1472
…		…
989	return if $pl->{deny_save};	1481	return if $pl->{deny_save};
990		1482
991	aio_mkdir playerdir $pl, 0770;	1483	aio_mkdir playerdir $pl, 0770;
992	$pl->{last_save} = $cf::RUNTIME;	1484	$pl->{last_save} = $cf::RUNTIME;
993		1485
		1486	cf::get_slot 0.01;
		1487
994	$pl->save_pl ($path);	1488	$pl->save_pl ($path);
995	Coro::cede;	1489	cf::cede_to_tick;
996	}	1490	}
997		1491
998	sub new($) {	1492	sub new($) {
999	my ($login) = @_;	1493	my ($login) = @_;
1000		1494
…		…
1006	$cf::PLAYER{$login} = $self;	1500	$cf::PLAYER{$login} = $self;
1007		1501
1008	$self	1502	$self
1009	}	1503	}
1010		1504
		1505	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1506
		1507	=cut
		1508
		1509	sub send_msg {
		1510	my $ns = shift->ns
		1511	or return;
		1512	$ns->send_msg (@_);
		1513	}
		1514
1011	=item $pl->quit_character	1515	=item $pl->quit_character
1012		1516
1013	Nukes the player without looking back. If logged in, the connection will	1517	Nukes the player without looking back. If logged in, the connection will
1014	be destroyed. May block for a long time.	1518	be destroyed. May block for a long time.
1015		1519
1016	=cut	1520	=cut
1017		1521
1018	sub quit_character {	1522	sub quit_character {
1019	my ($pl) = @_;	1523	my ($pl) = @_;
1020		1524
		1525	my $name = $pl->ob->name;
		1526
1021	$pl->{deny_save} = 1;	1527	$pl->{deny_save} = 1;
1022	$pl->password ("*"); # this should lock out the player until we nuked the dir	1528	$pl->password ("*"); # this should lock out the player until we nuked the dir
1023		1529
1024	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1530	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1025	$pl->deactivate;	1531	$pl->deactivate;
		1532	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1533	$pl->ob->check_score;
1026	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1534	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1027	$pl->ns->destroy if $pl->ns;	1535	$pl->ns->destroy if $pl->ns;
1028		1536
1029	my $path = playerdir $pl;	1537	my $path = playerdir $pl;
1030	my $temp = "$path~$cf::RUNTIME~deleting~";	1538	my $temp = "$path~$cf::RUNTIME~deleting~";
1031	aio_rename $path, $temp;	1539	aio_rename $path, $temp;
1032	delete $cf::PLAYER{$pl->ob->name};	1540	delete $cf::PLAYER{$pl->ob->name};
1033	$pl->destroy;	1541	$pl->destroy;
		1542
		1543	my $prefix = qr<^~\Q$name\E/>;
		1544
		1545	# nuke player maps
		1546	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1547
1034	IO::AIO::aio_rmtree $temp;	1548	IO::AIO::aio_rmtree $temp;
		1549	}
		1550
		1551	=item $pl->kick
		1552
		1553	Kicks a player out of the game. This destroys the connection.
		1554
		1555	=cut
		1556
		1557	sub kick {
		1558	my ($pl, $kicker) = @_;
		1559
		1560	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1561	$pl->killer ("kicked");
		1562	$pl->ns->destroy;
1035	}	1563	}
1036		1564
1037	=item cf::player::list_logins	1565	=item cf::player::list_logins
1038		1566
1039	Returns am arrayref of all valid playernames in the system, can take a	1567	Returns am arrayref of all valid playernames in the system, can take a
1040	while and may block, so not sync_job-capable, ever.	1568	while and may block, so not sync_job-capable, ever.
1041		1569
1042	=cut	1570	=cut
1043		1571
1044	sub list_logins {	1572	sub list_logins {
1045	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1573	my $dirs = aio_readdir $PLAYERDIR
1046	or return [];	1574	or return [];
1047		1575
1048	my @logins;	1576	my @logins;
1049		1577
1050	for my $login (@$dirs) {	1578	for my $login (@$dirs) {
		1579	my $path = path $login;
		1580
		1581	# a .pst is a dead give-away for a valid player
		1582	# if no pst file found, open and chekc for blocked users
		1583	if (aio_stat "$path.pst") {
1051	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1584	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1052	aio_read $fh, 0, 512, my $buf, 0 or next;	1585	aio_read $fh, 0, 512, my $buf, 0 or next;
1053	$buf !~ /^password -------------$/m or next; # official not-valid tag	1586	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1587	}
1054		1588
1055	utf8::decode $login;	1589	utf8::decode $login;
1056	push @logins, $login;	1590	push @logins, $login;
1057	}	1591	}
1058		1592
…		…
1066		1600
1067	=cut	1601	=cut
1068		1602
1069	sub maps($) {	1603	sub maps($) {
1070	my ($pl) = @_;	1604	my ($pl) = @_;
		1605
		1606	$pl = ref $pl ? $pl->ob->name : $pl;
1071		1607
1072	my $files = aio_readdir playerdir $pl	1608	my $files = aio_readdir playerdir $pl
1073	or return;	1609	or return;
1074		1610
1075	my @paths;	1611	my @paths;
…		…
1077	for (@$files) {	1613	for (@$files) {
1078	utf8::decode $_;	1614	utf8::decode $_;
1079	next if /\.(?:pl|pst)$/;	1615	next if /\.(?:pl|pst)$/;
1080	next unless /^$PATH_SEP/o;	1616	next unless /^$PATH_SEP/o;
1081		1617
1082	push @paths, "~" . $pl->ob->name . "/" . $_;	1618	push @paths, cf::map::normalise "~$pl/$_";
1083	}	1619	}
1084		1620
1085	\@paths	1621	\@paths
1086	}	1622	}
1087		1623
		1624	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1625
		1626	Expand crossfire pod fragments into protocol xml.
		1627
		1628	=cut
		1629
		1630	use re 'eval';
		1631
		1632	my $group;
		1633	my $interior; $interior = qr{
		1634	# match a pod interior sequence sans C<< >>
		1635	(?:
		1636	\ (.*?)\ (?{ $group = $^N })
		1637	| < (??{$interior}) >
		1638	)
		1639	}x;
		1640
		1641	sub expand_cfpod {
		1642	my ($self, $pod) = @_;
		1643
		1644	my $xml;
		1645
		1646	while () {
		1647	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1648	$group = $1;
		1649
		1650	$group =~ s/&/&amp;/g;
		1651	$group =~ s/</&lt;/g;
		1652
		1653	$xml .= $group;
		1654	} elsif ($pod =~ m%\G
		1655	([BCGHITU])
		1656	<
		1657	(?:
		1658	([^<>]*) (?{ $group = $^N })
		1659	| < $interior >
		1660	)
		1661	>
		1662	%gcsx
		1663	) {
		1664	my ($code, $data) = ($1, $group);
		1665
		1666	if ($code eq "B") {
		1667	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1668	} elsif ($code eq "I") {
		1669	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1670	} elsif ($code eq "U") {
		1671	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1672	} elsif ($code eq "C") {
		1673	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1674	} elsif ($code eq "T") {
		1675	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1676	} elsif ($code eq "G") {
		1677	my ($male, $female) = split /\|/, $data;
		1678	$data = $self->gender ? $female : $male;
		1679	$xml .= expand_cfpod ($self, $data);
		1680	} elsif ($code eq "H") {
		1681	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1682	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1683	"")
		1684	[$self->{hintmode}];
		1685	} else {
		1686	$xml .= "error processing '$code($data)' directive";
		1687	}
		1688	} else {
		1689	if ($pod =~ /\G(.+)/) {
		1690	warn "parse error while expanding $pod (at $1)";
		1691	}
		1692	last;
		1693	}
		1694	}
		1695
		1696	for ($xml) {
		1697	# create single paragraphs (very hackish)
		1698	s/(?<=\S)\n(?=\w)/ /g;
		1699
		1700	# compress some whitespace
		1701	s/\s+\n/\n/g; # ws line-ends
		1702	s/\n\n+/\n/g; # double lines
		1703	s/^\n+//; # beginning lines
		1704	s/\n+$//; # ending lines
		1705	}
		1706
		1707	$xml
		1708	}
		1709
		1710	no re 'eval';
		1711
		1712	sub hintmode {
		1713	$_[0]{hintmode} = $_[1] if @_ > 1;
		1714	$_[0]{hintmode}
		1715	}
		1716
1088	=item $player->ext_reply ($msgid, $msgtype, %msg)	1717	=item $player->ext_reply ($msgid, @msg)
1089		1718
1090	Sends an ext reply to the player.	1719	Sends an ext reply to the player.
1091		1720
1092	=cut	1721	=cut
1093		1722
1094	sub ext_reply($$$%) {	1723	sub ext_reply($$@) {
1095	my ($self, $id, %msg) = @_;	1724	my ($self, $id, @msg) = @_;
1096		1725
1097	$msg{msgid} = $id;	1726	$self->ns->ext_reply ($id, @msg)
1098
1099	$self->send ("ext " . cf::to_json \%msg);
1100	}	1727	}
1101		1728
1102	package cf;	1729	=item $player->ext_msg ($type, @msg)
		1730
		1731	Sends an ext event to the client.
		1732
		1733	=cut
		1734
		1735	sub ext_msg($$@) {
		1736	my ($self, $type, @msg) = @_;
		1737
		1738	$self->ns->ext_msg ($type, @msg);
		1739	}
		1740
		1741	=head3 cf::region
		1742
		1743	=over 4
		1744
		1745	=cut
		1746
		1747	package cf::region;
		1748
		1749	=item cf::region::find_by_path $path
		1750
		1751	Tries to decuce the likely region for a map knowing only its path.
		1752
		1753	=cut
		1754
		1755	sub find_by_path($) {
		1756	my ($path) = @_;
		1757
		1758	my ($match, $specificity);
		1759
		1760	for my $region (list) {
		1761	if ($region->{match} && $path =~ $region->{match}) {
		1762	($match, $specificity) = ($region, $region->specificity)
		1763	if $region->specificity > $specificity;
		1764	}
		1765	}
		1766
		1767	$match
		1768	}
1103		1769
1104	=back	1770	=back
1105
1106		1771
1107	=head3 cf::map	1772	=head3 cf::map
1108		1773
1109	=over 4	1774	=over 4
1110		1775
…		…
1114		1779
1115	use Fcntl;	1780	use Fcntl;
1116	use Coro::AIO;	1781	use Coro::AIO;
1117		1782
1118	use overload	1783	use overload
1119	'""' => \&as_string;	1784	'""' => \&as_string,
		1785	fallback => 1;
1120		1786
1121	our $MAX_RESET = 3600;	1787	our $MAX_RESET = 3600;
1122	our $DEFAULT_RESET = 3000;	1788	our $DEFAULT_RESET = 3000;
1123		1789
1124	sub generate_random_map {	1790	sub generate_random_map {
1125	my ($self, $rmp) = @_;	1791	my ($self, $rmp) = @_;
		1792
		1793	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1126		1794
1127	# mit "rum" bekleckern, nicht	1795	# mit "rum" bekleckern, nicht
1128	$self->_create_random_map (	1796	$self->_create_random_map (
1129	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1797	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1130	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1798	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
…		…
1138	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1806	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1139	(cf::region::find $rmp->{region}), $rmp->{custom}	1807	(cf::region::find $rmp->{region}), $rmp->{custom}
1140	)	1808	)
1141	}	1809	}
1142		1810
		1811	=item cf::map->register ($regex, $prio)
		1812
		1813	Register a handler for the map path matching the given regex at the
		1814	givne priority (higher is better, built-in handlers have priority 0, the
		1815	default).
		1816
		1817	=cut
		1818
1143	sub register {	1819	sub register {
1144	my (undef, $regex) = @_;	1820	my (undef, $regex, $prio) = @_;
1145	my $pkg = caller;	1821	my $pkg = caller;
1146		1822
1147	no strict;	1823	no strict;
1148	push @{"$pkg\::ISA"}, __PACKAGE__;	1824	push @{"$pkg\::ISA"}, __PACKAGE__;
1149		1825
1150	$EXT_MAP{$pkg} = qr<$regex>;	1826	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1151	}	1827	}
1152		1828
1153	# also paths starting with '/'	1829	# also paths starting with '/'
1154	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1830	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1831
		1832	sub thawer_merge {
		1833	my ($self, $merge) = @_;
		1834
		1835	# we have to keep some variables in memory intact
		1836	local $self->{path};
		1837	local $self->{load_path};
		1838
		1839	$self->SUPER::thawer_merge ($merge);
		1840	}
1155		1841
1156	sub normalise {	1842	sub normalise {
1157	my ($path, $base) = @_;	1843	my ($path, $base) = @_;
		1844
		1845	$path = "$path"; # make sure its a string
		1846
		1847	$path =~ s/\.map$//;
1158		1848
1159	# map plan:	1849	# map plan:
1160	#	1850	#
1161	# /! non-realised random map exit (special hack!)	1851	# /! non-realised random map exit (special hack!)
1162	# {... are special paths that are not being touched	1852	# {... are special paths that are not being touched
…		…
1190		1880
1191	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1881	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1192		1882
1193	$path = normalise $path, $base;	1883	$path = normalise $path, $base;
1194		1884
1195	for my $pkg (keys %EXT_MAP) {	1885	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1196	if ($path =~ $EXT_MAP{$pkg}) {	1886	if ($path =~ $EXT_MAP{$pkg}[1]) {
1197	my $self = bless cf::map::new, $pkg;	1887	my $self = bless cf::map::new, $pkg;
1198	$self->{path} = $path; $self->path ($path);	1888	$self->{path} = $path; $self->path ($path);
1199	$self->init; # pass $1 etc.	1889	$self->init; # pass $1 etc.
1200	return $self;	1890	return $self;
1201	}	1891	}
1202	}	1892	}
1203		1893
1204	Carp::carp "unable to resolve path '$path'.";	1894	Carp::cluck "unable to resolve path '$path' (base '$base').";
1205	()	1895	()
1206	}	1896	}
1207		1897
1208	sub init {	1898	sub init {
1209	my ($self) = @_;	1899	my ($self) = @_;
…		…
1220	# the displayed name, this is a one way mapping	1910	# the displayed name, this is a one way mapping
1221	sub visible_name {	1911	sub visible_name {
1222	&as_string	1912	&as_string
1223	}	1913	}
1224		1914
1225	# escape the /'s in the path
1226	sub _escaped_path {
1227	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1228
1229	$path
1230	}
1231
1232	# the original (read-only) location	1915	# the original (read-only) location
1233	sub load_path {	1916	sub load_path {
1234	my ($self) = @_;	1917	my ($self) = @_;
1235		1918
1236	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1919	"$MAPDIR/$self->{path}.map"
1237	}	1920	}
1238		1921
1239	# the temporary/swap location	1922	# the temporary/swap location
1240	sub save_path {	1923	sub save_path {
1241	my ($self) = @_;	1924	my ($self) = @_;
1242		1925
1243	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $self->_escaped_path	1926	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1927	"$TMPDIR/$path.map"
1244	}	1928	}
1245		1929
1246	# the unique path, undef == no special unique path	1930	# the unique path, undef == no special unique path
1247	sub uniq_path {	1931	sub uniq_path {
1248	my ($self) = @_;	1932	my ($self) = @_;
1249		1933
1250	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path	1934	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1935	"$UNIQUEDIR/$path"
1251	}	1936	}
1252		1937
1253	# and all this just because we cannot iterate over	1938	# and all this just because we cannot iterate over
1254	# all maps in C++...	1939	# all maps in C++...
1255	sub change_all_map_light {	1940	sub change_all_map_light {
…		…
1257		1942
1258	$_->change_map_light ($change)	1943	$_->change_map_light ($change)
1259	for grep $_->outdoor, values %cf::MAP;	1944	for grep $_->outdoor, values %cf::MAP;
1260	}	1945	}
1261		1946
		1947	sub decay_objects {
		1948	my ($self) = @_;
		1949
		1950	return if $self->{deny_reset};
		1951
		1952	$self->do_decay_objects;
		1953	}
		1954
1262	sub unlink_save {	1955	sub unlink_save {
1263	my ($self) = @_;	1956	my ($self) = @_;
1264		1957
1265	utf8::encode (my $save = $self->save_path);	1958	utf8::encode (my $save = $self->save_path);
1266	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1959	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1267	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1960	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1268	}	1961	}
1269		1962
1270	sub load_header_from($) {	1963	sub load_header_from($) {
1271	my ($self, $path) = @_;	1964	my ($self, $path) = @_;
1272		1965
1273	utf8::encode $path;	1966	utf8::encode $path;
1274	aio_open $path, O_RDONLY, 0	1967	my $f = new_from_file cf::object::thawer $path
1275	or return;	1968	or return;
1276		1969
1277	$self->_load_header ($path)	1970	$self->_load_header ($f)
1278	or return;	1971	or return;
1279		1972
		1973	local $MAP_LOADING{$self->{path}} = $self;
		1974	$f->resolve_delayed_derefs;
		1975
1280	$self->{load_path} = $path;	1976	$self->{load_path} = $path;
1281		1977
1282	1	1978	1
1283	}	1979	}
1284		1980
1285	sub load_orig {	1981	sub load_header_orig {
1286	my ($self) = @_;	1982	my ($self) = @_;
1287		1983
1288	$self->load_header_from ($self->load_path)	1984	$self->load_header_from ($self->load_path)
1289	}	1985	}
1290		1986
1291	sub load_temp {	1987	sub load_header_temp {
1292	my ($self) = @_;	1988	my ($self) = @_;
1293		1989
1294	$self->load_header_from ($self->save_path)	1990	$self->load_header_from ($self->save_path)
		1991	}
		1992
		1993	sub prepare_temp {
		1994	my ($self) = @_;
		1995
		1996	$self->last_access ((delete $self->{last_access})
		1997	|| $cf::RUNTIME); #d#
		1998	# safety
		1999	$self->{instantiate_time} = $cf::RUNTIME
		2000	if $self->{instantiate_time} > $cf::RUNTIME;
		2001	}
		2002
		2003	sub prepare_orig {
		2004	my ($self) = @_;
		2005
		2006	$self->{load_original} = 1;
		2007	$self->{instantiate_time} = $cf::RUNTIME;
		2008	$self->last_access ($cf::RUNTIME);
		2009	$self->instantiate;
1295	}	2010	}
1296		2011
1297	sub load_header {	2012	sub load_header {
1298	my ($self) = @_;	2013	my ($self) = @_;
1299		2014
1300	if ($self->load_temp) {	2015	if ($self->load_header_temp) {
1301	$self->last_access ((delete $self->{last_access})	2016	$self->prepare_temp;
1302	|| $cf::RUNTIME); #d#
1303	# safety
1304	$self->{instantiate_time} = $cf::RUNTIME
1305	if $self->{instantiate_time} > $cf::RUNTIME;
1306	} else {	2017	} else {
1307	$self->load_orig	2018	$self->load_header_orig
1308	or return;	2019	or return;
1309		2020	$self->prepare_orig;
1310	$self->{load_original} = 1;
1311	$self->{instantiate_time} = $cf::RUNTIME;
1312	$self->last_access ($cf::RUNTIME);
1313	$self->instantiate;
1314	}	2021	}
		2022
		2023	$self->{deny_reset} = 1
		2024	if $self->no_reset;
		2025
		2026	$self->default_region (cf::region::find_by_path $self->{path})
		2027	unless $self->default_region;
1315		2028
1316	1	2029	1
1317	}	2030	}
1318		2031
1319	sub find;	2032	sub find;
1320	sub find {	2033	sub find {
1321	my ($path, $origin) = @_;	2034	my ($path, $origin) = @_;
1322		2035
1323	$path = normalise $path, $origin && $origin->path;	2036	$path = normalise $path, $origin && $origin->path;
1324		2037
		2038	cf::lock_wait "map_data:$path";#d#remove
1325	cf::lock_wait "map_find:$path";	2039	cf::lock_wait "map_find:$path";
1326		2040
1327	$cf::MAP{$path} || do {	2041	$cf::MAP{$path} || do {
		2042	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1328	my $guard = cf::lock_acquire "map_find:$path";	2043	my $guard2 = cf::lock_acquire "map_find:$path";
		2044
1329	my $map = new_from_path cf::map $path	2045	my $map = new_from_path cf::map $path
1330	or return;	2046	or return;
1331		2047
1332	$map->{last_save} = $cf::RUNTIME;	2048	$map->{last_save} = $cf::RUNTIME;
1333		2049
1334	$map->load_header	2050	$map->load_header
1335	or return;	2051	or return;
1336		2052
1337	if ($map->should_reset) {	2053	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2054	# doing this can freeze the server in a sync job, obviously
		2055	#$cf::WAIT_FOR_TICK->wait;
		2056	undef $guard2;
		2057	undef $guard1;
1338	$map->reset;	2058	$map->reset;
1339	undef $guard;
1340	$map = find $path	2059	return find $path;
1341	or return;
1342	}	2060	}
1343		2061
1344	$cf::MAP{$path} = $map	2062	$cf::MAP{$path} = $map
1345	}	2063	}
1346	}	2064	}
		2065
		2066	sub pre_load { }
		2067	sub post_load { }
1347		2068
1348	sub load {	2069	sub load {
1349	my ($self) = @_;	2070	my ($self) = @_;
1350		2071
		2072	local $self->{deny_reset} = 1; # loading can take a long time
		2073
1351	my $path = $self->{path};	2074	my $path = $self->{path};
		2075
		2076	{
1352	my $guard = cf::lock_acquire "map_load:$path";	2077	my $guard = cf::lock_acquire "map_data:$path";
1353		2078
		2079	return unless $self->valid;
1354	return if $self->in_memory != cf::MAP_SWAPPED;	2080	return unless $self->in_memory == cf::MAP_SWAPPED;
1355		2081
1356	$self->in_memory (cf::MAP_LOADING);	2082	$self->in_memory (cf::MAP_LOADING);
1357		2083
1358	$self->alloc;	2084	$self->alloc;
1359	$self->_load_objects ($self->{load_path}, 1)	2085
		2086	$self->pre_load;
		2087	cf::cede_to_tick;
		2088
		2089	my $f = new_from_file cf::object::thawer $self->{load_path};
		2090	$f->skip_block;
		2091	$self->_load_objects ($f)
1360	or return;	2092	or return;
1361		2093
1362	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2094	$self->post_load_original
1363	if delete $self->{load_original};	2095	if delete $self->{load_original};
1364		2096
1365	if (my $uniq = $self->uniq_path) {	2097	if (my $uniq = $self->uniq_path) {
1366	utf8::encode $uniq;	2098	utf8::encode $uniq;
1367	if (aio_open $uniq, O_RDONLY, 0) {	2099	unless (aio_stat $uniq) {
		2100	if (my $f = new_from_file cf::object::thawer $uniq) {
1368	$self->clear_unique_items;	2101	$self->clear_unique_items;
1369	$self->_load_objects ($uniq, 0);	2102	$self->_load_objects ($f);
		2103	$f->resolve_delayed_derefs;
		2104	}
1370	}	2105	}
1371	}	2106	}
1372		2107
1373	Coro::cede;	2108	$f->resolve_delayed_derefs;
1374		2109
		2110	cf::cede_to_tick;
1375	# now do the right thing for maps	2111	# now do the right thing for maps
1376	$self->link_multipart_objects;	2112	$self->link_multipart_objects;
1377
1378	unless ($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)	2113	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	2114	unless $self->difficulty;
1386	Coro::cede;	2115	cf::cede_to_tick;
		2116
		2117	unless ($self->{deny_activate}) {
		2118	$self->decay_objects;
		2119	$self->fix_auto_apply;
		2120	$self->update_buttons;
		2121	cf::cede_to_tick;
		2122	$self->set_darkness_map;
		2123	cf::cede_to_tick;
1387	$self->activate;	2124	$self->activate;
1388	}	2125	}
1389		2126
		2127	$self->{last_save} = $cf::RUNTIME;
		2128	$self->last_access ($cf::RUNTIME);
		2129
1390	$self->in_memory (cf::MAP_IN_MEMORY);	2130	$self->in_memory (cf::MAP_ACTIVE);
		2131	}
		2132
		2133	$self->post_load;
1391	}	2134	}
1392		2135
1393	sub customise_for {	2136	sub customise_for {
1394	my ($self, $ob) = @_;	2137	my ($self, $ob) = @_;
1395		2138
1396	return find "~" . $ob->name . "/" . $self->{path}	2139	return find "~" . $ob->name . "/" . $self->{path}
1397	if $self->per_player;	2140	if $self->per_player;
1398		2141
		2142	# return find "?party/" . $ob->name . "/" . $self->{path}
		2143	# if $self->per_party;
		2144
1399	$self	2145	$self
1400	}	2146	}
1401		2147
1402	# find and load all maps in the 3x3 area around a map	2148	# find and load all maps in the 3x3 area around a map
1403	sub load_diag {	2149	sub load_neighbours {
1404	my ($map) = @_;	2150	my ($map) = @_;
1405		2151
1406	my @diag; # diagonal neighbours	2152	my @neigh; # diagonal neighbours
1407		2153
1408	for (0 .. 3) {	2154	for (0 .. 3) {
1409	my $neigh = $map->tile_path ($_)	2155	my $neigh = $map->tile_path ($_)
1410	or next;	2156	or next;
1411	$neigh = find $neigh, $map	2157	$neigh = find $neigh, $map
1412	or next;	2158	or next;
1413	$neigh->load;	2159	$neigh->load;
1414		2160
		2161	push @neigh,
1415	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2162	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1416	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2163	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1417	}	2164	}
1418		2165
1419	for (@diag) {	2166	for (grep defined $_->[0], @neigh) {
		2167	my ($path, $origin) = @$_;
1420	my $neigh = find @$_	2168	my $neigh = find $path, $origin
1421	or next;	2169	or next;
1422	$neigh->load;	2170	$neigh->load;
1423	}	2171	}
1424	}	2172	}
1425		2173
…		…
1430	}	2178	}
1431		2179
1432	sub do_load_sync {	2180	sub do_load_sync {
1433	my ($map) = @_;	2181	my ($map) = @_;
1434		2182
		2183	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2184	if $Coro::current == $Coro::main;
		2185
1435	cf::sync_job { $map->load };	2186	cf::sync_job { $map->load };
1436	}	2187	}
1437		2188
1438	our %MAP_PREFETCH;	2189	our %MAP_PREFETCH;
1439	our $MAP_PREFETCHER = Coro::async {	2190	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		2191
1452	sub find_async {	2192	sub find_async {
1453	my ($path, $origin) = @_;	2193	my ($path, $origin, $load) = @_;
1454		2194
1455	$path = normalise $path, $origin && $origin->{path};	2195	$path = normalise $path, $origin && $origin->{path};
1456		2196
1457	if (my $map = $cf::MAP{$path}) {	2197	if (my $map = $cf::MAP{$path}) {
1458	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2198	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2199	}
		2200
		2201	$MAP_PREFETCH{$path} |= $load;
		2202
		2203	$MAP_PREFETCHER ||= cf::async {
		2204	$Coro::current->{desc} = "map prefetcher";
		2205
		2206	while (%MAP_PREFETCH) {
		2207	while (my ($k, $v) = each %MAP_PREFETCH) {
		2208	if (my $map = find $k) {
		2209	$map->load if $v;
		2210	}
		2211
		2212	delete $MAP_PREFETCH{$k};
		2213	}
		2214	}
		2215	undef $MAP_PREFETCHER;
1459	}	2216	};
1460
1461	$MAP_PREFETCH{$path} = 0;
1462	$MAP_PREFETCHER->ready;	2217	$MAP_PREFETCHER->prio (6);
1463		2218
1464	()	2219	()
1465	}	2220	}
1466		2221
1467	sub save {	2222	sub save {
1468	my ($self) = @_;	2223	my ($self) = @_;
1469		2224
1470	my $lock = cf::lock_acquire "map_data:" . $self->path;	2225	my $lock = cf::lock_acquire "map_data:$self->{path}";
1471		2226
1472	$self->{last_save} = $cf::RUNTIME;	2227	$self->{last_save} = $cf::RUNTIME;
1473		2228
1474	return unless $self->dirty;	2229	return unless $self->dirty;
1475		2230
…		…
1481	return if $self->{deny_save};	2236	return if $self->{deny_save};
1482		2237
1483	local $self->{last_access} = $self->last_access;#d#	2238	local $self->{last_access} = $self->last_access;#d#
1484		2239
1485	cf::async {	2240	cf::async {
		2241	$Coro::current->{desc} = "map player save";
1486	$_->contr->save for $self->players;	2242	$_->contr->save for $self->players;
1487	};	2243	};
		2244
		2245	cf::get_slot 0.02;
1488		2246
1489	if ($uniq) {	2247	if ($uniq) {
1490	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2248	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1491	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2249	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1492	} else {	2250	} else {
…		…
1498	my ($self) = @_;	2256	my ($self) = @_;
1499		2257
1500	# save first because save cedes	2258	# save first because save cedes
1501	$self->save;	2259	$self->save;
1502		2260
1503	my $lock = cf::lock_acquire "map_data:" . $self->path;	2261	my $lock = cf::lock_acquire "map_data:$self->{path}";
1504		2262
1505	return if $self->players;	2263	return if $self->players;
1506	return if $self->in_memory != cf::MAP_IN_MEMORY;	2264	return if $self->in_memory != cf::MAP_ACTIVE;
1507	return if $self->{deny_save};	2265	return if $self->{deny_save};
1508		2266
		2267	$self->in_memory (cf::MAP_SWAPPED);
		2268
		2269	$self->deactivate;
		2270	$_->clear_links_to ($self) for values %cf::MAP;
1509	$self->clear;	2271	$self->clear;
1510	$self->in_memory (cf::MAP_SWAPPED);
1511	}	2272	}
1512		2273
1513	sub reset_at {	2274	sub reset_at {
1514	my ($self) = @_;	2275	my ($self) = @_;
1515		2276
1516	# TODO: safety, remove and allow resettable per-player maps	2277	# 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};	2278	return 1e99 if $self->{deny_reset};
1519		2279
1520	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2280	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1521	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2281	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1522		2282
…		…
1527	my ($self) = @_;	2287	my ($self) = @_;
1528		2288
1529	$self->reset_at <= $cf::RUNTIME	2289	$self->reset_at <= $cf::RUNTIME
1530	}	2290	}
1531		2291
1532	sub rename {
1533	my ($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	$self->save;
1544	}
1545
1546	sub reset {	2292	sub reset {
1547	my ($self) = @_;	2293	my ($self) = @_;
1548		2294
1549	my $lock = cf::lock_acquire "map_data:" . $self->path;	2295	my $lock = cf::lock_acquire "map_data:$self->{path}";
1550		2296
1551	return if $self->players;	2297	return if $self->players;
1552	return if $self->isa ("ext::map_per_player");#d#
1553		2298
1554	warn "resetting map ", $self->path;#d#	2299	warn "resetting map ", $self->path;
		2300
		2301	$self->in_memory (cf::MAP_SWAPPED);
		2302
		2303	# need to save uniques path
		2304	unless ($self->{deny_save}) {
		2305	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2306
		2307	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2308	if $uniq;
		2309	}
1555		2310
1556	delete $cf::MAP{$self->path};	2311	delete $cf::MAP{$self->path};
1557		2312
		2313	$self->deactivate;
1558	$_->clear_links_to ($self) for values %cf::MAP;	2314	$_->clear_links_to ($self) for values %cf::MAP;
		2315	$self->clear;
1559		2316
1560	$self->unlink_save;	2317	$self->unlink_save;
1561	$self->destroy;	2318	$self->destroy;
1562	}	2319	}
1563		2320
1564	my $nuke_counter = "aaaa";	2321	my $nuke_counter = "aaaa";
1565		2322
1566	sub nuke {	2323	sub nuke {
1567	my ($self) = @_;	2324	my ($self) = @_;
1568		2325
		2326	{
		2327	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2328
		2329	delete $cf::MAP{$self->path};
		2330
		2331	$self->unlink_save;
		2332
		2333	bless $self, "cf::map";
		2334	delete $self->{deny_reset};
1569	$self->{deny_save} = 1;	2335	$self->{deny_save} = 1;
1570	$self->reset_timeout (1);	2336	$self->reset_timeout (1);
1571	$self->rename ("{nuke}/" . ($nuke_counter++));	2337	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2338
		2339	$cf::MAP{$self->path} = $self;
		2340	}
		2341
1572	$self->reset; # polite request, might not happen	2342	$self->reset; # polite request, might not happen
		2343	}
		2344
		2345	=item $maps = cf::map::tmp_maps
		2346
		2347	Returns an arrayref with all map paths of currently instantiated and saved
		2348	maps. May block.
		2349
		2350	=cut
		2351
		2352	sub tmp_maps() {
		2353	[
		2354	map {
		2355	utf8::decode $_;
		2356	/\.map$/
		2357	? normalise $_
		2358	: ()
		2359	} @{ aio_readdir $TMPDIR or [] }
		2360	]
		2361	}
		2362
		2363	=item $maps = cf::map::random_maps
		2364
		2365	Returns an arrayref with all map paths of currently instantiated and saved
		2366	random maps. May block.
		2367
		2368	=cut
		2369
		2370	sub random_maps() {
		2371	[
		2372	map {
		2373	utf8::decode $_;
		2374	/\.map$/
		2375	? normalise "?random/$_"
		2376	: ()
		2377	} @{ aio_readdir $RANDOMDIR or [] }
		2378	]
1573	}	2379	}
1574		2380
1575	=item cf::map::unique_maps	2381	=item cf::map::unique_maps
1576		2382
1577	Returns an arrayref of paths of all shared maps that have	2383	Returns an arrayref of paths of all shared maps that have
1578	instantiated unique items. May block.	2384	instantiated unique items. May block.
1579		2385
1580	=cut	2386	=cut
1581		2387
1582	sub unique_maps() {	2388	sub unique_maps() {
1583	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2389	[
1584	or return;	2390	map {
1585
1586	my @paths;
1587
1588	for (@$files) {
1589	utf8::decode $_;	2391	utf8::decode $_;
1590	next if /\.pst$/;	2392	s/\.map$//; # TODO future compatibility hack
1591	next unless /^$PATH_SEP/o;	2393	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1592		2394	? ()
1593	push @paths, $_;	2395	: normalise $_
		2396	} @{ aio_readdir $UNIQUEDIR or [] }
1594	}	2397	]
1595
1596	\@paths
1597	}	2398	}
1598
1599	package cf;
1600		2399
1601	=back	2400	=back
1602		2401
1603	=head3 cf::object	2402	=head3 cf::object
1604		2403
…		…
1608		2407
1609	=over 4	2408	=over 4
1610		2409
1611	=item $ob->inv_recursive	2410	=item $ob->inv_recursive
1612		2411
1613	Returns the inventory of the object _and_ their inventories, recursively.	2412	Returns the inventory of the object I<and> their inventories, recursively,
		2413	but I<not> the object itself.
1614		2414
1615	=cut	2415	=cut
1616		2416
1617	sub inv_recursive_;	2417	sub inv_recursive_;
1618	sub inv_recursive_ {	2418	sub inv_recursive_ {
…		…
1621		2421
1622	sub inv_recursive {	2422	sub inv_recursive {
1623	inv_recursive_ inv $_[0]	2423	inv_recursive_ inv $_[0]
1624	}	2424	}
1625		2425
		2426	=item $ref = $ob->ref
		2427
		2428	Creates and returns a persistent reference to an object that can be stored as a string.
		2429
		2430	=item $ob = cf::object::deref ($refstring)
		2431
		2432	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2433	even if the object actually exists. May block.
		2434
		2435	=cut
		2436
		2437	sub deref {
		2438	my ($ref) = @_;
		2439
		2440	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2441	my ($uuid, $name) = ($1, $2);
		2442	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2443	or return;
		2444	$pl->ob->uuid eq $uuid
		2445	or return;
		2446
		2447	$pl->ob
		2448	} else {
		2449	warn "$ref: cannot resolve object reference\n";
		2450	undef
		2451	}
		2452	}
		2453
1626	package cf;	2454	package cf;
1627		2455
1628	=back	2456	=back
1629		2457
1630	=head3 cf::object::player	2458	=head3 cf::object::player
…		…
1636	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2464	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	2465	can be C<undef>. Does the right thing when the player is currently in a
1638	dialogue with the given NPC character.	2466	dialogue with the given NPC character.
1639		2467
1640	=cut	2468	=cut
		2469
		2470	our $SAY_CHANNEL = {
		2471	id => "say",
		2472	title => "Map",
		2473	reply => "say ",
		2474	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2475	};
		2476
		2477	our $CHAT_CHANNEL = {
		2478	id => "chat",
		2479	title => "Chat",
		2480	reply => "chat ",
		2481	tooltip => "Player chat and shouts, global to the server.",
		2482	};
1641		2483
1642	# rough implementation of a future "reply" method that works	2484	# rough implementation of a future "reply" method that works
1643	# with dialog boxes.	2485	# with dialog boxes.
1644	#TODO: the first argument must go, split into a $npc->reply_to ( method	2486	#TODO: the first argument must go, split into a $npc->reply_to ( method
1645	sub cf::object::player::reply($$$;$) {	2487	sub cf::object::player::reply($$$;$) {
…		…
1647		2489
1648	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2490	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1649		2491
1650	if ($self->{record_replies}) {	2492	if ($self->{record_replies}) {
1651	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2493	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2494
1652	} else {	2495	} else {
		2496	my $pl = $self->contr;
		2497
		2498	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2499	my $dialog = $pl->{npc_dialog};
		2500	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2501
		2502	} else {
1653	$msg = $npc->name . " says: $msg" if $npc;	2503	$msg = $npc->name . " says: $msg" if $npc;
1654	$self->message ($msg, $flags);	2504	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2505	}
1655	}	2506	}
		2507	}
		2508
		2509	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2510
		2511	=cut
		2512
		2513	sub cf::object::send_msg {
		2514	my $pl = shift->contr
		2515	or return;
		2516	$pl->send_msg (@_);
1656	}	2517	}
1657		2518
1658	=item $player_object->may ("access")	2519	=item $player_object->may ("access")
1659		2520
1660	Returns wether the given player is authorized to access resource "access"	2521	Returns wether the given player is authorized to access resource "access"
…		…
1692	=cut	2553	=cut
1693		2554
1694	sub link_map {	2555	sub link_map {
1695	unless ($LINK_MAP) {	2556	unless ($LINK_MAP) {
1696	$LINK_MAP = cf::map::find "{link}"	2557	$LINK_MAP = cf::map::find "{link}"
1697	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2558	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1698	$LINK_MAP->load;	2559	$LINK_MAP->load;
1699	}	2560	}
1700		2561
1701	$LINK_MAP	2562	$LINK_MAP
1702	}	2563	}
…		…
1707	$self->deactivate_recursive;	2568	$self->deactivate_recursive;
1708		2569
1709	return if UNIVERSAL::isa $self->map, "ext::map_link";	2570	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		2571
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2572	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	2573	if $self->map && $self->map->{path} ne "{link}";
1713		2574
1714	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2575	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	2576	}
1716		2577
1717	sub cf::object::player::leave_link {	2578	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	2579	my ($self, $map, $x, $y) = @_;
		2580
		2581	return unless $self->contr->active;
1719		2582
1720	my $link_pos = delete $self->{_link_pos};	2583	my $link_pos = delete $self->{_link_pos};
1721		2584
1722	unless ($map) {	2585	unless ($map) {
1723	# restore original map position	2586	# restore original map position
…		…
1737	# use -1 or undef as default coordinates, not 0, 0	2600	# use -1 or undef as default coordinates, not 0, 0
1738	($x, $y) = ($map->enter_x, $map->enter_y)	2601	($x, $y) = ($map->enter_x, $map->enter_y)
1739	if $x <=0 && $y <= 0;	2602	if $x <=0 && $y <= 0;
1740		2603
1741	$map->load;	2604	$map->load;
1742	$map->load_diag;	2605	$map->load_neighbours;
1743		2606
1744	return unless $self->contr->active;	2607	return unless $self->contr->active;
1745	$self->activate_recursive;	2608	$self->activate_recursive;
		2609
		2610	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746	$self->enter_map ($map, $x, $y);	2611	$self->enter_map ($map, $x, $y);
1747	}	2612	}
1748		2613
1749	cf::player->attach (	2614	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1750	on_logout => sub {
1751	my ($pl) = @_;
1752		2615
1753	# abort map switching before logout	2616	Moves the player to the given map-path and coordinates by first freezing
1754	if ($pl->ob->{_link_pos}) {	2617	her, loading and preparing them map, calling the provided $check callback
1755	cf::sync_job {	2618	that has to return the map if sucecssful, and then unfreezes the player on
1756	$pl->ob->leave_link	2619	the new (success) or old (failed) map position. In either case, $done will
1757	};	2620	be called at the end of this process.
1758	}
1759	},
1760	on_login => sub {
1761	my ($pl) = @_;
1762		2621
1763	# try to abort aborted map switching on player login :)	2622	Note that $check will be called with a potentially non-loaded map, so if
1764	# should happen only on crashes	2623	it needs a loaded map it has to call C<< ->load >>.
1765	if ($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		2624
1781	=item $player_object->goto ($path, $x, $y)
1782
1783	=cut	2625	=cut
		2626
		2627	our $GOTOGEN;
1784		2628
1785	sub cf::object::player::goto {	2629	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	2630	my ($self, $path, $x, $y, $check, $done) = @_;
		2631
		2632	# do generation counting so two concurrent goto's will be executed in-order
		2633	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1787		2634
1788	$self->enter_link;	2635	$self->enter_link;
1789		2636
1790	(async {	2637	(async {
1791	my $map = cf::map::find $path;	2638	$Coro::current->{desc} = "player::goto $path $x $y";
		2639
		2640	# *tag paths override both path and x|y
		2641	if ($path =~ /^\*(.*)$/) {
		2642	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2643	my $ob = $obs[rand @obs];
		2644
		2645	# see if we actually can go there
		2646	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2647	$ob = $obs[rand @obs];
		2648	} else {
		2649	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2650	}
		2651	# else put us there anyways for now #d#
		2652
		2653	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2654	} else {
		2655	($path, $x, $y) = (undef, undef, undef);
		2656	}
		2657	}
		2658
		2659	my $map = eval {
		2660	my $map = defined $path ? cf::map::find $path : undef;
		2661
		2662	if ($map) {
1792	$map = $map->customise_for ($self) if $map;	2663	$map = $map->customise_for ($self);
1793		2664	$map = $check->($map) if $check && $map;
1794	# warn "entering ", $map->path, " at ($x, $y)\n"	2665	} else {
1795	# if $map;
1796
1797	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2666	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2667	}
1798		2668
		2669	$map
		2670	};
		2671
		2672	if ($@) {
		2673	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2674	LOG llevError | logBacktrace, Carp::longmess $@;
		2675	}
		2676
		2677	if ($gen == $self->{_goto_generation}) {
		2678	delete $self->{_goto_generation};
1799	$self->leave_link ($map, $x, $y);	2679	$self->leave_link ($map, $x, $y);
		2680	}
		2681
		2682	$done->() if $done;
1800	})->prio (1);	2683	})->prio (1);
1801	}	2684	}
1802		2685
1803	=item $player_object->enter_exit ($exit_object)	2686	=item $player_object->enter_exit ($exit_object)
1804		2687
…		…
1806		2689
1807	sub parse_random_map_params {	2690	sub parse_random_map_params {
1808	my ($spec) = @_;	2691	my ($spec) = @_;
1809		2692
1810	my $rmp = { # defaults	2693	my $rmp = { # defaults
1811	xsize => 10,	2694	xsize => (cf::rndm 15, 40),
1812	ysize => 10,	2695	ysize => (cf::rndm 15, 40),
		2696	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2697	#layout => string,
1813	};	2698	};
1814		2699
1815	for (split /\n/, $spec) {	2700	for (split /\n/, $spec) {
1816	my ($k, $v) = split /\s+/, $_, 2;	2701	my ($k, $v) = split /\s+/, $_, 2;
1817		2702
…		…
1829	# that depends on the exit object	2714	# that depends on the exit object
1830		2715
1831	my $rmp = parse_random_map_params $exit->msg;	2716	my $rmp = parse_random_map_params $exit->msg;
1832		2717
1833	if ($exit->map) {	2718	if ($exit->map) {
1834	$rmp->{region} = $exit->map->region_name;	2719	$rmp->{region} = $exit->region->name;
1835	$rmp->{origin_map} = $exit->map->path;	2720	$rmp->{origin_map} = $exit->map->path;
1836	$rmp->{origin_x} = $exit->x;	2721	$rmp->{origin_x} = $exit->x;
1837	$rmp->{origin_y} = $exit->y;	2722	$rmp->{origin_y} = $exit->y;
		2723
		2724	$exit->map->touch;
1838	}	2725	}
1839		2726
1840	$rmp->{random_seed} ||= $exit->random_seed;	2727	$rmp->{random_seed} ||= $exit->random_seed;
1841		2728
1842	my $data = cf::to_json $rmp;	2729	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1843	my $md5 = Digest::MD5::md5_hex $data;	2730	my $md5 = Digest::MD5::md5_hex $data;
		2731	my $meta = "$RANDOMDIR/$md5.meta";
1844		2732
1845	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2733	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1846	aio_write $fh, 0, (length $data), $data, 0;	2734	aio_write $fh, 0, (length $data), $data, 0;
		2735	undef $fh;
		2736	aio_rename "$meta~", $meta;
1847		2737
		2738	my $slaying = "?random/$md5";
		2739
		2740	if ($exit->valid) {
1848	$exit->slaying ("?random/$md5");	2741	$exit->slaying ("?random/$md5");
1849	$exit->msg (undef);	2742	$exit->msg (undef);
		2743	}
1850	}	2744	}
1851	}	2745	}
1852		2746
1853	sub cf::object::player::enter_exit {	2747	sub cf::object::player::enter_exit {
1854	my ($self, $exit) = @_;	2748	my ($self, $exit) = @_;
…		…
1856	return unless $self->type == cf::PLAYER;	2750	return unless $self->type == cf::PLAYER;
1857		2751
1858	$self->enter_link;	2752	$self->enter_link;
1859		2753
1860	(async {	2754	(async {
1861	$self->deactivate_recursive; # just to be sure	2755	$Coro::current->{desc} = "enter_exit";
		2756
1862	unless (eval {	2757	unless (eval {
		2758	$self->deactivate_recursive; # just to be sure
		2759
		2760	# random map handling
		2761	{
		2762	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2763
1863	prepare_random_map $exit	2764	prepare_random_map $exit
1864	if $exit->slaying eq "/!";	2765	if $exit->slaying eq "/!";
		2766	}
1865		2767
1866	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;	2768	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1867	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2769	my $x = $exit->stats->hp;
		2770	my $y = $exit->stats->sp;
1868		2771
		2772	$self->goto ($map, $x, $y);
		2773
		2774	# if exit is damned, update players death & WoR home-position
		2775	$self->contr->savebed ($map, $x, $y)
		2776	if $exit->flag (cf::FLAG_DAMNED);
		2777
1869	1;	2778	1
1870	}) {	2779	}) {
1871	$self->message ("Something went wrong deep within the crossfire server. "	2780	$self->message ("Something went wrong deep within the crossfire server. "
1872	. "I'll try to bring you back to the map you were before. "	2781	. "I'll try to bring you back to the map you were before. "
1873	. "Please report this to the dungeon master!",	2782	. "Please report this to the dungeon master!",
1874	cf::NDI_UNIQUE | cf::NDI_RED);	2783	cf::NDI_UNIQUE | cf::NDI_RED);
1875		2784
1876	warn "ERROR in enter_exit: $@";	2785	warn "ERROR in enter_exit: $@";
1877	$self->leave_link;	2786	$self->leave_link;
1878	}	2787	}
1879	})->prio (1);	2788	})->prio (1);
…		…
1892		2801
1893	sub cf::client::send_drawinfo {	2802	sub cf::client::send_drawinfo {
1894	my ($self, $text, $flags) = @_;	2803	my ($self, $text, $flags) = @_;
1895		2804
1896	utf8::encode $text;	2805	utf8::encode $text;
1897	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2806	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1898	}	2807	}
1899		2808
		2809	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2810
		2811	Send a drawinfo or msg packet to the client, formatting the msg for the
		2812	client if neccessary. C<$type> should be a string identifying the type of
		2813	the message, with C<log> being the default. If C<$color> is negative, suppress
		2814	the message unless the client supports the msg packet.
		2815
		2816	=cut
		2817
		2818	# non-persistent channels (usually the info channel)
		2819	our %CHANNEL = (
		2820	"c/identify" => {
		2821	id => "infobox",
		2822	title => "Identify",
		2823	reply => undef,
		2824	tooltip => "Items recently identified",
		2825	},
		2826	"c/examine" => {
		2827	id => "infobox",
		2828	title => "Examine",
		2829	reply => undef,
		2830	tooltip => "Signs and other items you examined",
		2831	},
		2832	"c/book" => {
		2833	id => "infobox",
		2834	title => "Book",
		2835	reply => undef,
		2836	tooltip => "The contents of a note or book",
		2837	},
		2838	"c/lookat" => {
		2839	id => "infobox",
		2840	title => "Look",
		2841	reply => undef,
		2842	tooltip => "What you saw there",
		2843	},
		2844	"c/who" => {
		2845	id => "infobox",
		2846	title => "Players",
		2847	reply => undef,
		2848	tooltip => "Shows players who are currently online",
		2849	},
		2850	"c/body" => {
		2851	id => "infobox",
		2852	title => "Body Parts",
		2853	reply => undef,
		2854	tooltip => "Shows which body parts you posess and are available",
		2855	},
		2856	"c/uptime" => {
		2857	id => "infobox",
		2858	title => "Uptime",
		2859	reply => undef,
		2860	tooltip => "How long the server has been running since last restart",
		2861	},
		2862	"c/mapinfo" => {
		2863	id => "infobox",
		2864	title => "Map Info",
		2865	reply => undef,
		2866	tooltip => "Information related to the maps",
		2867	},
		2868	"c/party" => {
		2869	id => "party",
		2870	title => "Party",
		2871	reply => "gsay ",
		2872	tooltip => "Messages and chat related to your party",
		2873	},
		2874	);
		2875
		2876	sub cf::client::send_msg {
		2877	my ($self, $channel, $msg, $color, @extra) = @_;
		2878
		2879	$msg = $self->pl->expand_cfpod ($msg);
		2880
		2881	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2882
		2883	# check predefined channels, for the benefit of C
		2884	if ($CHANNEL{$channel}) {
		2885	$channel = $CHANNEL{$channel};
		2886
		2887	$self->ext_msg (channel_info => $channel)
		2888	if $self->can_msg;
		2889
		2890	$channel = $channel->{id};
		2891
		2892	} elsif (ref $channel) {
		2893	# send meta info to client, if not yet sent
		2894	unless (exists $self->{channel}{$channel->{id}}) {
		2895	$self->{channel}{$channel->{id}} = $channel;
		2896	$self->ext_msg (channel_info => $channel)
		2897	if $self->can_msg;
		2898	}
		2899
		2900	$channel = $channel->{id};
		2901	}
		2902
		2903	return unless @extra || length $msg;
		2904
		2905	if ($self->can_msg) {
		2906	# default colour, mask it out
		2907	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2908	if $color & cf::NDI_DEF;
		2909
		2910	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2911	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2912	} else {
		2913	if ($color >= 0) {
		2914	# replace some tags by gcfclient-compatible ones
		2915	for ($msg) {
		2916	1 while
		2917	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2918	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2919	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2920	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2921	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2922	}
		2923
		2924	$color &= cf::NDI_COLOR_MASK;
		2925
		2926	utf8::encode $msg;
		2927
		2928	if (0 && $msg =~ /\[/) {
		2929	# COMMAND/INFO
		2930	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2931	} else {
		2932	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2933	$self->send_packet ("drawinfo $color $msg")
		2934	}
		2935	}
		2936	}
		2937	}
		2938
		2939	=item $client->ext_msg ($type, @msg)
		2940
		2941	Sends an ext event to the client.
		2942
		2943	=cut
		2944
		2945	sub cf::client::ext_msg($$@) {
		2946	my ($self, $type, @msg) = @_;
		2947
		2948	if ($self->extcmd == 2) {
		2949	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2950	} elsif ($self->extcmd == 1) { # TODO: remove
		2951	push @msg, msgtype => "event_$type";
		2952	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2953	}
		2954	}
		2955
		2956	=item $client->ext_reply ($msgid, @msg)
		2957
		2958	Sends an ext reply to the client.
		2959
		2960	=cut
		2961
		2962	sub cf::client::ext_reply($$@) {
		2963	my ($self, $id, @msg) = @_;
		2964
		2965	if ($self->extcmd == 2) {
		2966	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2967	} elsif ($self->extcmd == 1) {
		2968	#TODO: version 1, remove
		2969	unshift @msg, msgtype => "reply", msgid => $id;
		2970	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2971	}
		2972	}
1900		2973
1901	=item $success = $client->query ($flags, "text", \&cb)	2974	=item $success = $client->query ($flags, "text", \&cb)
1902		2975
1903	Queues a query to the client, calling the given callback with	2976	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>,	2977	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>.	2978	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1906		2979
1907	Queries can fail, so check the return code. Or don't, as queries will become	2980	Queries can fail, so check the return code. Or don't, as queries will
1908	reliable at some point in the future.	2981	become reliable at some point in the future.
1909		2982
1910	=cut	2983	=cut
1911		2984
1912	sub cf::client::query {	2985	sub cf::client::query {
1913	my ($self, $flags, $text, $cb) = @_;	2986	my ($self, $flags, $text, $cb) = @_;
…		…
1921	utf8::encode $text;	2994	utf8::encode $text;
1922	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2995	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1923		2996
1924	$self->send_packet ($self->{query_queue}[0][0])	2997	$self->send_packet ($self->{query_queue}[0][0])
1925	if @{ $self->{query_queue} } == 1;	2998	if @{ $self->{query_queue} } == 1;
		2999
		3000	1
1926	}	3001	}
1927		3002
1928	cf::client->attach (	3003	cf::client->attach (
		3004	on_connect => sub {
		3005	my ($ns) = @_;
		3006
		3007	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3008	},
1929	on_reply => sub {	3009	on_reply => sub {
1930	my ($ns, $msg) = @_;	3010	my ($ns, $msg) = @_;
1931		3011
1932	# this weird shuffling is so that direct followup queries	3012	# this weird shuffling is so that direct followup queries
1933	# get handled first	3013	# get handled first
1934	my $queue = delete $ns->{query_queue}	3014	my $queue = delete $ns->{query_queue}
1935	or return; # be conservative, not sure how that can happen, but we saw a crash here	3015	or return; # be conservative, not sure how that can happen, but we saw a crash here
1936		3016
1937	(shift @$queue)->[1]->($msg);	3017	(shift @$queue)->[1]->($msg);
		3018	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1938		3019
1939	push @{ $ns->{query_queue} }, @$queue;	3020	push @{ $ns->{query_queue} }, @$queue;
1940		3021
1941	if (@{ $ns->{query_queue} } == @$queue) {	3022	if (@{ $ns->{query_queue} } == @$queue) {
1942	if (@$queue) {	3023	if (@$queue) {
…		…
1944	} else {	3025	} else {
1945	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3026	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1946	}	3027	}
1947	}	3028	}
1948	},	3029	},
		3030	on_exticmd => sub {
		3031	my ($ns, $buf) = @_;
		3032
		3033	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3034
		3035	if (ref $msg) {
		3036	my ($type, $reply, @payload) =
		3037	"ARRAY" eq ref $msg
		3038	? @$msg
		3039	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3040
		3041	my @reply;
		3042
		3043	if (my $cb = $EXTICMD{$type}) {
		3044	@reply = $cb->($ns, @payload);
		3045	}
		3046
		3047	$ns->ext_reply ($reply, @reply)
		3048	if $reply;
		3049
		3050	} else {
		3051	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3052	}
		3053
		3054	cf::override;
		3055	},
1949	);	3056	);
1950		3057
1951	=item $client->async (\&cb)	3058	=item $client->async (\&cb)
1952		3059
1953	Create a new coroutine, running the specified callback. The coroutine will	3060	Create a new coroutine, running the specified callback. The coroutine will
…		…
1994	our $safe = new Safe "safe";	3101	our $safe = new Safe "safe";
1995	our $safe_hole = new Safe::Hole;	3102	our $safe_hole = new Safe::Hole;
1996		3103
1997	$SIG{FPE} = 'IGNORE';	3104	$SIG{FPE} = 'IGNORE';
1998		3105
1999	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3106	$safe->permit_only (Opcode::opset qw(
		3107	:base_core :base_mem :base_orig :base_math
		3108	grepstart grepwhile mapstart mapwhile
		3109	sort time
		3110	));
2000		3111
2001	# here we export the classes and methods available to script code	3112	# here we export the classes and methods available to script code
2002		3113
2003	=pod	3114	=pod
2004		3115
2005	The following fucntions and emthods are available within a safe environment:	3116	The following functions and methods are available within a safe environment:
2006		3117
2007	cf::object contr pay_amount pay_player map	3118	cf::object
		3119	contr pay_amount pay_player map x y force_find force_add destroy
		3120	insert remove name archname title slaying race decrease split
		3121
2008	cf::object::player player	3122	cf::object::player
2009	cf::player peaceful	3123	player
2010	cf::map trigger	3124
		3125	cf::player
		3126	peaceful
		3127
		3128	cf::map
		3129	trigger
2011		3130
2012	=cut	3131	=cut
2013		3132
2014	for (	3133	for (
2015	["cf::object" => qw(contr pay_amount pay_player map)],	3134	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3135	insert remove inv nrof name archname title slaying race
		3136	decrease split destroy change_exp)],
2016	["cf::object::player" => qw(player)],	3137	["cf::object::player" => qw(player)],
2017	["cf::player" => qw(peaceful)],	3138	["cf::player" => qw(peaceful)],
2018	["cf::map" => qw(trigger)],	3139	["cf::map" => qw(trigger)],
2019	) {	3140	) {
2020	no strict 'refs';	3141	no strict 'refs';
…		…
2091	=back	3212	=back
2092		3213
2093	=cut	3214	=cut
2094		3215
2095	#############################################################################	3216	#############################################################################
		3217	# the server's init and main functions
2096		3218
2097	=head2 EXTENSION DATABASE SUPPORT	3219	sub load_facedata($) {
		3220	my ($path) = @_;
2098		3221
2099	Crossfire maintains a very simple database for extension use. It can	3222	# HACK to clear player env face cache, we need some signal framework
2100	currently store anything that can be serialised using Storable, which	3223	# for this (global event?)
2101	excludes objects.	3224	%ext::player_env::MUSIC_FACE_CACHE = ();
2102		3225
2103	The parameter C<$family> should best start with the name of the extension	3226	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2104	using it, it should be unique.
2105		3227
2106	=over 4	3228	warn "loading facedata from $path\n";
2107		3229
2108	=item $hashref = cf::db_get $family	3230	my $facedata;
		3231	0 < aio_load $path, $facedata
		3232	or die "$path: $!";
2109		3233
2110	Return a hashref for use by the extension C<$family>, which can be	3234	$facedata = Coro::Storable::thaw $facedata;
2111	modified. After modifications, you have to call C<cf::db_dirty> or
2112	C<cf::db_sync>.
2113		3235
2114	=item $value = cf::db_get $family => $key	3236	$facedata->{version} == 2
		3237	or cf::cleanup "$path: version mismatch, cannot proceed.";
2115		3238
2116	Returns a single value from the database	3239	# patch in the exptable
2117		3240	$facedata->{resource}{"res/exp_table"} = {
2118	=item cf::db_put $family => $hashref	3241	type => FT_RSRC,
2119		3242	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	});	3243	};
		3244	cf::cede_to_tick;
2169		3245
2170	sub db_dirty() {
2171	$dirty = 1;
2172	$idle->start;
2173	}	3246	{
		3247	my $faces = $facedata->{faceinfo};
2174		3248
2175	sub db_get($;$) {	3249	while (my ($face, $info) = each %$faces) {
2176	@_ >= 2	3250	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2177	? $DB->{$_[0]}{$_[1]}
2178	: ($DB->{$_[0]} ||= { })
2179	}
2180		3251
2181	sub db_put($$;$) {	3252	cf::face::set_visibility $idx, $info->{visibility};
2182	if (@_ >= 3) {	3253	cf::face::set_magicmap $idx, $info->{magicmap};
2183	$DB->{$_[0]}{$_[1]} = $_[2];	3254	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2184	} else {	3255	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2185	$DB->{$_[0]} = $_[1];
2186	}
2187	db_dirty;
2188	}
2189		3256
2190	cf::global->attach (	3257	cf::cede_to_tick;
2191	prio => 10000,
2192	on_cleanup => sub {
2193	db_sync;
2194	},	3258	}
2195	);
2196	}
2197		3259
2198	#############################################################################	3260	while (my ($face, $info) = each %$faces) {
2199	# the server's main()	3261	next unless $info->{smooth};
2200		3262
2201	sub cfg_load {	3263	my $idx = cf::face::find $face
		3264	or next;
		3265
		3266	if (my $smooth = cf::face::find $info->{smooth}) {
		3267	cf::face::set_smooth $idx, $smooth;
		3268	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3269	} else {
		3270	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3271	}
		3272
		3273	cf::cede_to_tick;
		3274	}
		3275	}
		3276
		3277	{
		3278	my $anims = $facedata->{animinfo};
		3279
		3280	while (my ($anim, $info) = each %$anims) {
		3281	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3282	cf::cede_to_tick;
		3283	}
		3284
		3285	cf::anim::invalidate_all; # d'oh
		3286	}
		3287
		3288	{
		3289	# TODO: for gcfclient pleasure, we should give resources
		3290	# that gcfclient doesn't grok a >10000 face index.
		3291	my $res = $facedata->{resource};
		3292
		3293	while (my ($name, $info) = each %$res) {
		3294	if (defined $info->{type}) {
		3295	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3296	my $data;
		3297
		3298	if ($info->{type} & 1) {
		3299	# prepend meta info
		3300
		3301	my $meta = $enc->encode ({
		3302	name => $name,
		3303	%{ $info->{meta} || {} },
		3304	});
		3305
		3306	$data = pack "(w/a*)*", $meta, $info->{data};
		3307	} else {
		3308	$data = $info->{data};
		3309	}
		3310
		3311	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3312	cf::face::set_type $idx, $info->{type};
		3313	} else {
		3314	$RESOURCE{$name} = $info;
		3315	}
		3316
		3317	cf::cede_to_tick;
		3318	}
		3319	}
		3320
		3321	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3322
		3323	1
		3324	}
		3325
		3326	cf::global->attach (on_resource_update => sub {
		3327	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3328	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3329
		3330	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3331	my $sound = $soundconf->{compat}[$_]
		3332	or next;
		3333
		3334	my $face = cf::face::find "sound/$sound->[1]";
		3335	cf::sound::set $sound->[0] => $face;
		3336	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3337	}
		3338
		3339	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3340	my $face = cf::face::find "sound/$v";
		3341	cf::sound::set $k => $face;
		3342	}
		3343	}
		3344	});
		3345
		3346	register_exticmd fx_want => sub {
		3347	my ($ns, $want) = @_;
		3348
		3349	while (my ($k, $v) = each %$want) {
		3350	$ns->fx_want ($k, $v);
		3351	}
		3352	};
		3353
		3354	sub load_resource_file($) {
		3355	my $guard = lock_acquire "load_resource_file";
		3356
		3357	my $status = load_resource_file_ $_[0];
		3358	get_slot 0.1, 100;
		3359	cf::arch::commit_load;
		3360
		3361	$status
		3362	}
		3363
		3364	sub reload_regions {
		3365	# HACK to clear player env face cache, we need some signal framework
		3366	# for this (global event?)
		3367	%ext::player_env::MUSIC_FACE_CACHE = ();
		3368
		3369	load_resource_file "$MAPDIR/regions"
		3370	or die "unable to load regions file\n";
		3371
		3372	for (cf::region::list) {
		3373	$_->{match} = qr/$_->{match}/
		3374	if exists $_->{match};
		3375	}
		3376	}
		3377
		3378	sub reload_facedata {
		3379	load_facedata "$DATADIR/facedata"
		3380	or die "unable to load facedata\n";
		3381	}
		3382
		3383	sub reload_archetypes {
		3384	load_resource_file "$DATADIR/archetypes"
		3385	or die "unable to load archetypes\n";
		3386	}
		3387
		3388	sub reload_treasures {
		3389	load_resource_file "$DATADIR/treasures"
		3390	or die "unable to load treasurelists\n";
		3391	}
		3392
		3393	sub reload_resources {
		3394	warn "reloading resource files...\n";
		3395
		3396	reload_facedata;
		3397	reload_archetypes;
		3398	reload_regions;
		3399	reload_treasures;
		3400
		3401	warn "finished reloading resource files\n";
		3402	}
		3403
		3404	sub init {
		3405	my $guard = freeze_mainloop;
		3406
		3407	evthread_start IO::AIO::poll_fileno;
		3408
		3409	reload_resources;
		3410	}
		3411
		3412	sub reload_config {
2202	open my $fh, "<:utf8", cf::confdir . "/config"	3413	open my $fh, "<:utf8", "$CONFDIR/config"
2203	or return;	3414	or return;
2204		3415
2205	local $/;	3416	local $/;
2206	*CFG = YAML::Syck::Load <$fh>;	3417	*CFG = YAML::Load <$fh>;
2207		3418
2208	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3419	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2209		3420
2210	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3421	$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};	3422	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2221		3432
2222	sub main {	3433	sub main {
2223	# we must not ever block the main coroutine	3434	# we must not ever block the main coroutine
2224	local $Coro::idle = sub {	3435	local $Coro::idle = sub {
2225	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3436	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2226	async { Event::one_event };	3437	(async {
		3438	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3439	EV::loop EV::LOOP_ONESHOT;
		3440	})->prio (Coro::PRIO_MAX);
2227	};	3441	};
2228		3442
2229	cfg_load;	3443	{
2230	db_load;	3444	my $guard = freeze_mainloop;
		3445	reload_config;
		3446	db_init;
2231	load_extensions;	3447	load_extensions;
		3448
		3449	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3450	}
		3451
2232	Event::loop;	3452	EV::loop;
2233	}	3453	}
2234		3454
2235	#############################################################################	3455	#############################################################################
2236	# initialisation and cleanup	3456	# initialisation and cleanup
2237		3457
2238	# install some emergency cleanup handlers	3458	# install some emergency cleanup handlers
2239	BEGIN {	3459	BEGIN {
		3460	our %SIGWATCHER = ();
2240	for my $signal (qw(INT HUP TERM)) {	3461	for my $signal (qw(INT HUP TERM)) {
2241	Event->signal (	3462	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2242	data => WF_AUTOCANCEL,
2243	signal => $signal,
2244	cb => sub {
2245	cf::cleanup "SIG$signal";	3463	cf::cleanup "SIG$signal";
2246	},
2247	);	3464	};
		3465	}
		3466	}
		3467
		3468	sub write_runtime_sync {
		3469	my $runtime = "$LOCALDIR/runtime";
		3470
		3471	# first touch the runtime file to show we are still running:
		3472	# the fsync below can take a very very long time.
		3473
		3474	IO::AIO::aio_utime $runtime, undef, undef;
		3475
		3476	my $guard = cf::lock_acquire "write_runtime";
		3477
		3478	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3479	or return;
		3480
		3481	my $value = $cf::RUNTIME + 90 + 10;
		3482	# 10 is the runtime save interval, for a monotonic clock
		3483	# 60 allows for the watchdog to kill the server.
		3484
		3485	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3486	and return;
		3487
		3488	# always fsync - this file is important
		3489	aio_fsync $fh
		3490	and return;
		3491
		3492	# touch it again to show we are up-to-date
		3493	aio_utime $fh, undef, undef;
		3494
		3495	close $fh
		3496	or return;
		3497
		3498	aio_rename "$runtime~", $runtime
		3499	and return;
		3500
		3501	warn "runtime file written.\n";
		3502
2248	}	3503	1
		3504	}
		3505
		3506	our $uuid_lock;
		3507	our $uuid_skip;
		3508
		3509	sub write_uuid_sync($) {
		3510	$uuid_skip ||= $_[0];
		3511
		3512	return if $uuid_lock;
		3513	local $uuid_lock = 1;
		3514
		3515	my $uuid = "$LOCALDIR/uuid";
		3516
		3517	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3518	or return;
		3519
		3520	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3521	$uuid_skip = 0;
		3522
		3523	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3524	and return;
		3525
		3526	# always fsync - this file is important
		3527	aio_fsync $fh
		3528	and return;
		3529
		3530	close $fh
		3531	or return;
		3532
		3533	aio_rename "$uuid~", $uuid
		3534	and return;
		3535
		3536	warn "uuid file written ($value).\n";
		3537
		3538	1
		3539
		3540	}
		3541
		3542	sub write_uuid($$) {
		3543	my ($skip, $sync) = @_;
		3544
		3545	$sync ? write_uuid_sync $skip
		3546	: async { write_uuid_sync $skip };
2249	}	3547	}
2250		3548
2251	sub emergency_save() {	3549	sub emergency_save() {
2252	my $freeze_guard = cf::freeze_mainloop;	3550	my $freeze_guard = cf::freeze_mainloop;
2253		3551
2254	warn "enter emergency perl save\n";	3552	warn "enter emergency perl save\n";
2255		3553
2256	cf::sync_job {	3554	cf::sync_job {
2257	# use a peculiar iteration method to avoid tripping on perl	3555	# use a peculiar iteration method to avoid tripping on perl
2258	# refcount bugs in for. also avoids problems with players	3556	# refcount bugs in for. also avoids problems with players
2259	# and maps saved/Destroyed asynchronously.	3557	# and maps saved/destroyed asynchronously.
2260	warn "begin emergency player save\n";	3558	warn "begin emergency player save\n";
2261	for my $login (keys %cf::PLAYER) {	3559	for my $login (keys %cf::PLAYER) {
2262	my $pl = $cf::PLAYER{$login} or next;	3560	my $pl = $cf::PLAYER{$login} or next;
2263	$pl->valid or next;	3561	$pl->valid or next;
		3562	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2264	$pl->save;	3563	$pl->save;
2265	}	3564	}
2266	warn "end emergency player save\n";	3565	warn "end emergency player save\n";
2267		3566
2268	warn "begin emergency map save\n";	3567	warn "begin emergency map save\n";
…		…
2270	my $map = $cf::MAP{$path} or next;	3569	my $map = $cf::MAP{$path} or next;
2271	$map->valid or next;	3570	$map->valid or next;
2272	$map->save;	3571	$map->save;
2273	}	3572	}
2274	warn "end emergency map save\n";	3573	warn "end emergency map save\n";
		3574
		3575	warn "begin emergency database checkpoint\n";
		3576	BDB::db_env_txn_checkpoint $DB_ENV;
		3577	warn "end emergency database checkpoint\n";
		3578
		3579	warn "begin write uuid\n";
		3580	write_uuid_sync 1;
		3581	warn "end write uuid\n";
2275	};	3582	};
2276		3583
2277	warn "leave emergency perl save\n";	3584	warn "leave emergency perl save\n";
2278	}	3585	}
2279		3586
		3587	sub post_cleanup {
		3588	my ($make_core) = @_;
		3589
		3590	warn Carp::longmess "post_cleanup backtrace"
		3591	if $make_core;
		3592	}
		3593
		3594	# a safer delete_package, copied from Symbol
		3595	sub clear_package($) {
		3596	my $pkg = shift;
		3597
		3598	# expand to full symbol table name if needed
		3599	unless ($pkg =~ /^main::.*::$/) {
		3600	$pkg = "main$pkg" if $pkg =~ /^::/;
		3601	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3602	$pkg .= '::' unless $pkg =~ /::$/;
		3603	}
		3604
		3605	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3606	my $stem_symtab = *{$stem}{HASH};
		3607
		3608	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3609	or return;
		3610
		3611	# clear all symbols
		3612	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3613	for my $name (keys %$leaf_symtab) {
		3614	_gv_clear *{"$pkg$name"};
		3615	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3616	}
		3617	warn "cleared package #$pkg\n";#d#
		3618	}
		3619
		3620	our $RELOAD; # how many times to reload
		3621
2280	sub reload() {	3622	sub do_reload_perl() {
2281	# can/must only be called in main	3623	# can/must only be called in main
2282	if ($Coro::current != $Coro::main) {	3624	if ($Coro::current != $Coro::main) {
2283	warn "can only reload from main coroutine\n";	3625	warn "can only reload from main coroutine";
2284	return;	3626	return;
2285	}	3627	}
2286		3628
		3629	return if $RELOAD++;
		3630
		3631	while ($RELOAD) {
2287	warn "reloading...";	3632	warn "reloading...";
2288		3633
2289	warn "freezing server";	3634	warn "entering sync_job";
2290	my $guard = freeze_mainloop;	3635
		3636	cf::sync_job {
		3637	cf::write_runtime_sync; # external watchdog should not bark
2291	cf::emergency_save;	3638	cf::emergency_save;
		3639	cf::write_runtime_sync; # external watchdog should not bark
2292		3640
2293	warn "sync database to disk";	3641	warn "syncing database to disk";
2294	cf::db_sync;	3642	BDB::db_env_txn_checkpoint $DB_ENV;
2295	IO::AIO::flush;
2296		3643
2297	eval {
2298	# if anything goes wrong in here, we should simply crash as we already saved	3644	# if anything goes wrong in here, we should simply crash as we already saved
2299		3645
2300	warn "cancel all watchers";	3646	warn "flushing outstanding aio requests";
2301	for (Event::all_watchers) {	3647	while (IO::AIO::nreqs || BDB::nreqs) {
2302	$_->cancel if $_->data & WF_AUTOCANCEL;	3648	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2303	}
2304
2305	warn "cancel all extension coros";
2306	$_->cancel for values %EXT_CORO;
2307	%EXT_CORO = ();
2308
2309	warn "remove commands";
2310	%COMMAND = ();
2311
2312	warn "remove ext commands";
2313	%EXTCMD = ();
2314
2315	warn "unload/nuke all extensions";
2316	for my $pkg (@EXTS) {
2317	warn "... unloading $pkg";
2318
2319	if (my $cb = $pkg->can ("unload")) {
2320	eval {
2321	$cb->($pkg);
2322	1
2323	} or warn "$pkg unloaded, but with errors: $@";
2324	}	3649	}
2325		3650
		3651	warn "cancelling all extension coros";
		3652	$_->cancel for values %EXT_CORO;
		3653	%EXT_CORO = ();
		3654
		3655	warn "removing commands";
		3656	%COMMAND = ();
		3657
		3658	warn "removing ext/exti commands";
		3659	%EXTCMD = ();
		3660	%EXTICMD = ();
		3661
		3662	warn "unloading/nuking all extensions";
		3663	for my $pkg (@EXTS) {
2326	warn "... nuking $pkg";	3664	warn "... unloading $pkg";
2327	Symbol::delete_package $pkg;
2328	}
2329		3665
2330	warn "unload all perl modules loaded from $LIBDIR";
2331	while (my ($k, $v) = each %INC) {
2332	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2333
2334	warn "removing <$k>";
2335	delete $INC{$k};
2336
2337	$k =~ s/\.pm$//;
2338	$k =~ s/\//::/g;
2339
2340	if (my $cb = $k->can ("unload_module")) {	3666	if (my $cb = $pkg->can ("unload")) {
		3667	eval {
2341	$cb->();	3668	$cb->($pkg);
		3669	1
		3670	} or warn "$pkg unloaded, but with errors: $@";
		3671	}
		3672
		3673	warn "... clearing $pkg";
		3674	clear_package $pkg;
2342	}	3675	}
2343		3676
2344	Symbol::delete_package $k;	3677	warn "unloading all perl modules loaded from $LIBDIR";
		3678	while (my ($k, $v) = each %INC) {
		3679	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3680
		3681	warn "... unloading $k";
		3682	delete $INC{$k};
		3683
		3684	$k =~ s/\.pm$//;
		3685	$k =~ s/\//::/g;
		3686
		3687	if (my $cb = $k->can ("unload_module")) {
		3688	$cb->();
		3689	}
		3690
		3691	clear_package $k;
2345	}	3692	}
2346		3693
2347	warn "get rid of safe::, as good as possible";	3694	warn "getting rid of safe::, as good as possible";
2348	Symbol::delete_package "safe::$_"	3695	clear_package "safe::$_"
2349	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3696	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2350		3697
2351	warn "unload cf.pm \"a bit\"";	3698	warn "unloading cf.pm \"a bit\"";
2352	delete $INC{"cf.pm"};	3699	delete $INC{"cf.pm"};
		3700	delete $INC{"cf/pod.pm"};
2353		3701
2354	# don't, removes xs symbols, too,	3702	# don't, removes xs symbols, too,
2355	# and global variables created in xs	3703	# and global variables created in xs
2356	#Symbol::delete_package __PACKAGE__;	3704	#clear_package __PACKAGE__;
2357		3705
		3706	warn "unload completed, starting to reload now";
		3707
2358	warn "reloading cf.pm";	3708	warn "reloading cf.pm";
2359	require cf;	3709	require cf;
2360	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3710	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2361		3711
2362	warn "load config and database again";	3712	warn "loading config and database again";
2363	cf::cfg_load;	3713	cf::reload_config;
2364	cf::db_load;
2365		3714
2366	warn "load extensions";	3715	warn "loading extensions";
2367	cf::load_extensions;	3716	cf::load_extensions;
2368		3717
2369	warn "reattach attachments to objects/players";	3718	warn "reattaching attachments to objects/players";
2370	_global_reattach;	3719	_global_reattach; # objects, sockets
2371	warn "reattach attachments to maps";	3720	warn "reattaching attachments to maps";
2372	reattach $_ for values %MAP;	3721	reattach $_ for values %MAP;
		3722	warn "reattaching attachments to players";
		3723	reattach $_ for values %PLAYER;
		3724
		3725	warn "leaving sync_job";
		3726
		3727	1
		3728	} or do {
		3729	warn $@;
		3730	cf::cleanup "error while reloading, exiting.";
		3731	};
		3732
		3733	warn "reloaded";
		3734	--$RELOAD;
		3735	}
		3736	};
		3737
		3738	our $RELOAD_WATCHER; # used only during reload
		3739
		3740	sub reload_perl() {
		3741	# doing reload synchronously and two reloads happen back-to-back,
		3742	# coro crashes during coro_state_free->destroy here.
		3743
		3744	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3745	do_reload_perl;
		3746	undef $RELOAD_WATCHER;
2373	};	3747	};
2374		3748	}
2375	if ($@) {
2376	warn $@;
2377	warn "error while reloading, exiting.";
2378	exit 1;
2379	}
2380
2381	warn "reloaded";
2382	};
2383		3749
2384	register_command "reload" => sub {	3750	register_command "reload" => sub {
2385	my ($who, $arg) = @_;	3751	my ($who, $arg) = @_;
2386		3752
2387	if ($who->flag (FLAG_WIZ)) {	3753	if ($who->flag (FLAG_WIZ)) {
2388	$who->message ("start of reload.");
2389	reload;
2390	$who->message ("end of reload.");	3754	$who->message ("reloading server.");
		3755	async {
		3756	$Coro::current->{desc} = "perl_reload";
		3757	reload_perl;
		3758	};
2391	}	3759	}
2392	};	3760	};
2393		3761
2394	unshift @INC, $LIBDIR;	3762	unshift @INC, $LIBDIR;
2395		3763
2396	$TICK_WATCHER = Event->timer (	3764	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		3765
		3766	our @WAIT_FOR_TICK;
		3767	our @WAIT_FOR_TICK_BEGIN;
		3768
		3769	sub wait_for_tick {
		3770	return if tick_inhibit || $Coro::current == $Coro::main;
		3771
		3772	my $signal = new Coro::Signal;
		3773	push @WAIT_FOR_TICK, $signal;
		3774	$signal->wait;
		3775	}
		3776
		3777	sub wait_for_tick_begin {
		3778	return if tick_inhibit || $Coro::current == $Coro::main;
		3779
		3780	my $signal = new Coro::Signal;
		3781	push @WAIT_FOR_TICK_BEGIN, $signal;
		3782	$signal->wait;
		3783	}
		3784
		3785	sub tick {
		3786	if ($Coro::current != $Coro::main) {
		3787	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3788	unless ++$bug_warning > 10;
		3789	return;
		3790	}
		3791
2404	cf::server_tick; # one server iteration	3792	cf::server_tick; # one server iteration
2405	$RUNTIME += $TICK;
2406	$NEXT_TICK += $TICK;
2407		3793
2408	$WAIT_FOR_TICK->broadcast;	3794	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2409	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3795	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2410		3796	Coro::async_pool {
2411	# if we are delayed by four ticks or more, skip them all	3797	$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	3798	write_runtime_sync
2436	or warn "ERROR: unable to write runtime file: $!";	3799	or warn "ERROR: unable to write runtime file: $!";
2437	})->();	3800	};
2438	},	3801	}
2439	);	3802
		3803	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3804	$sig->send;
		3805	}
		3806	while (my $sig = shift @WAIT_FOR_TICK) {
		3807	$sig->send;
		3808	}
		3809
		3810	$LOAD = ($NOW - $TICK_START) / $TICK;
		3811	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3812
		3813	if (0) {
		3814	if ($NEXT_TICK) {
		3815	my $jitter = $TICK_START - $NEXT_TICK;
		3816	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3817	warn "jitter $JITTER\n";#d#
		3818	}
		3819	}
		3820	}
		3821
		3822	{
		3823	# configure BDB
		3824
		3825	BDB::min_parallel 8;
		3826	BDB::max_poll_reqs $TICK * 0.1;
		3827	$AnyEvent::BDB::WATCHER->priority (1);
		3828
		3829	unless ($DB_ENV) {
		3830	$DB_ENV = BDB::db_env_create;
		3831	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3832	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3833	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3834	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3835	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3836
		3837	cf::sync_job {
		3838	eval {
		3839	BDB::db_env_open
		3840	$DB_ENV,
		3841	$BDBDIR,
		3842	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3843	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3844	0666;
		3845
		3846	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3847	};
		3848
		3849	cf::cleanup "db_env_open(db): $@" if $@;
		3850	};
		3851	}
		3852
		3853	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3854	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3855	};
		3856	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3857	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3858	};
		3859	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3860	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3861	};
		3862	}
		3863
		3864	{
		3865	# configure IO::AIO
		3866
		3867	IO::AIO::min_parallel 8;
		3868	IO::AIO::max_poll_time $TICK * 0.1;
		3869	undef $AnyEvent::AIO::WATCHER;
		3870	}
		3871
		3872	my $_log_backtrace;
		3873
		3874	sub _log_backtrace {
		3875	my ($msg, @addr) = @_;
		3876
		3877	$msg =~ s/\n//;
		3878
		3879	# limit the # of concurrent backtraces
		3880	if ($_log_backtrace < 2) {
		3881	++$_log_backtrace;
		3882	async {
		3883	$Coro::current->{desc} = "abt $msg";
		3884
		3885	my @bt = fork_call {
		3886	@addr = map { sprintf "%x", $_ } @addr;
		3887	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3888	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3889	or die "addr2line: $!";
		3890
		3891	my @funcs;
		3892	my @res = <$fh>;
		3893	chomp for @res;
		3894	while (@res) {
		3895	my ($func, $line) = splice @res, 0, 2, ();
		3896	push @funcs, "[$func] $line";
		3897	}
		3898
		3899	@funcs
		3900	};
		3901
		3902	LOG llevInfo, "[ABT] $msg\n";
		3903	LOG llevInfo, "[ABT] $_\n" for @bt;
		3904	--$_log_backtrace;
		3905	};
		3906	} else {
		3907	LOG llevInfo, "[ABT] $msg\n";
		3908	LOG llevInfo, "[ABT] [suppressed]\n";
		3909	}
		3910	}
		3911
		3912	# load additional modules
		3913	use cf::pod;
2440		3914
2441	END { cf::emergency_save }	3915	END { cf::emergency_save }
2442		3916
2443	1	3917	1
2444		3918

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