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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.149 by root, Mon Jan 8 14:11:05 2007 UTC vs.
Revision 1.473 by root, Fri Jun 26 16:32:10 2009 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 qw(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
		37	use Guard ();
13	use Coro 3.3 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
		54	use BDB ();
		55	use Data::Dumper;
20	use Digest::MD5;	56	use Digest::MD5;
21	use Fcntl;	57	use Fcntl;
		58	use YAML ();
22	use IO::AIO 2.32 ();	59	use IO::AIO ();
23	use YAML::Syck ();
24	use Time::HiRes;	60	use Time::HiRes;
		61	use Compress::LZF;
		62	use Digest::MD5 ();
25		63
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	64	AnyEvent::detect;
27		65
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	66	# configure various modules to our taste
29	$YAML::Syck::ImplicitUnicode = 1;	67	#
		68	$Storable::canonical = 1; # reduce rsync transfers
		69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
30		70
31	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
32		76
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		78
35	our %COMMAND = ();	79	our %COMMAND = ();
36	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
		81
		82	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	83	our %EXTCMD = ();
		84	our %EXTICMD = ();
		85	our %EXT_CORO = (); # coroutines bound to extensions
		86	our %EXT_MAP = (); # pluggable maps
38		87
		88	our $RELOAD; # number of reloads so far, non-zero while in reload
39	our @EVENT;	89	our @EVENT;
40	our $LIBDIR = datadir . "/ext";
41		90
42	our $TICK = MAX_TIME * 1e-6;	91	our $CONFDIR = confdir;
43	our $TICK_WATCHER;	92	our $DATADIR = datadir;
		93	our $LIBDIR = "$DATADIR/ext";
		94	our $PODDIR = "$DATADIR/pod";
		95	our $MAPDIR = "$DATADIR/" . mapdir;
		96	our $LOCALDIR = localdir;
		97	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		98	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		99	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		100	our $RANDOMDIR = "$LOCALDIR/random";
		101	our $BDBDIR = "$LOCALDIR/db";
		102	our $PIDFILE = "$LOCALDIR/pid";
		103	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		104
		105	our %RESOURCE;
		106
		107	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		108	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	109	our $NEXT_TICK;
45	our $NOW;	110	our $USE_FSYNC = 1; # use fsync to write maps - default on
		111
		112	our $BDB_DEADLOCK_WATCHER;
		113	our $BDB_CHECKPOINT_WATCHER;
		114	our $BDB_TRICKLE_WATCHER;
		115	our $DB_ENV;
		116
		117	our @EXTRA_MODULES = qw(pod mapscript);
46		118
47	our %CFG;	119	our %CFG;
48		120
49	our $UPTIME; $UPTIME ||= time;	121	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	122	our $RUNTIME;
		123	our $NOW;
51		124
52	our %PLAYER; # all users	125	our (%PLAYER, %PLAYER_LOADING); # all users
53	our %MAP; # all maps	126	our (%MAP, %MAP_LOADING ); # all maps
54	our $LINK_MAP; # the special {link} map	127	our $LINK_MAP; # the special {link} map, which is always available
55	our $RANDOM_MAPS = cf::localdir . "/random";	128
56	our %EXT_CORO; # coroutines bound to extensions	129	# used to convert map paths into valid unix filenames by replacing / by ∕
		130	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		131
		132	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		133	our $LOADAVG; # same thing, but with alpha-smoothing
		134	our $JITTER; # average jitter
		135	our $TICK_START; # for load detecting purposes
		136
		137	our @POST_INIT;
		138
		139	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
57		140
58	binmode STDOUT;	141	binmode STDOUT;
59	binmode STDERR;	142	binmode STDERR;
60		143
61	# read virtual server time, if available	144	# read virtual server time, if available
62	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	145	unless ($RUNTIME || !-e $RUNTIMEFILE) {
63	open my $fh, "<", cf::localdir . "/runtime"	146	open my $fh, "<", $RUNTIMEFILE
64	or die "unable to read runtime file: $!";	147	or die "unable to read $RUNTIMEFILE file: $!";
65	$RUNTIME = <$fh> + 0.;	148	$RUNTIME = <$fh> + 0.;
66	}	149	}
67		150
68	mkdir cf::localdir;	151	eval "sub TICK() { $TICK } 1" or die;
69	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;
73		152
74	# a special map that is always available	153	mkdir $_
75	our $LINK_MAP;	154	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
		155
76	our $EMERGENCY_POSITION;	156	our $EMERGENCY_POSITION;
		157
		158	sub cf::map::normalise;
77		159
78	#############################################################################	160	#############################################################################
79		161
80	=head2 GLOBAL VARIABLES	162	=head2 GLOBAL VARIABLES
81		163
…		…
88	=item $cf::RUNTIME	170	=item $cf::RUNTIME
89		171
90	The time this server has run, starts at 0 and is increased by $cf::TICK on	172	The time this server has run, starts at 0 and is increased by $cf::TICK on
91	every server tick.	173	every server tick.
92		174
93	=item $cf::LIBDIR	175	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		176	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		177	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
94		178
95	The perl library directory, where extensions and cf-specific modules can	179	Various directories - "/etc", read-only install directory, perl-library
96	be found. It will be added to C<@INC> automatically.	180	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		181	unique-items directory, player file directory, random maps directory and
		182	database environment.
97		183
98	=item $cf::NOW	184	=item $cf::NOW
99		185
100	The time of the last (current) server tick.	186	The time of the last (current) server tick.
101		187
102	=item $cf::TICK	188	=item $cf::TICK
103		189
104	The interval between server ticks, in seconds.	190	The interval between server ticks, in seconds.
105		191
		192	=item $cf::LOADAVG
		193
		194	The current CPU load on the server (alpha-smoothed), as a value between 0
		195	(none) and 1 (overloaded), indicating how much time is spent on processing
		196	objects per tick. Healthy values are < 0.5.
		197
		198	=item $cf::LOAD
		199
		200	The raw value load value from the last tick.
		201
106	=item %cf::CFG	202	=item %cf::CFG
107		203
108	Configuration for the server, loaded from C</etc/crossfire/config>, or	204	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
109	from wherever your confdir points to.	205	from wherever your confdir points to.
		206
		207	=item cf::wait_for_tick, cf::wait_for_tick_begin
		208
		209	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		210	returns directly I<after> the tick processing (and consequently, can only wake one process
		211	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
		212
		213	=item @cf::INVOKE_RESULTS
		214
		215	This array contains the results of the last C<invoke ()> call. When
		216	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		217	that call.
110		218
111	=back	219	=back
112		220
113	=cut	221	=cut
114		222
115	BEGIN {	223	BEGIN {
116	*CORE::GLOBAL::warn = sub {	224	*CORE::GLOBAL::warn = sub {
117	my $msg = join "", @_;	225	my $msg = join "", @_;
118	utf8::encode $msg;
119		226
120	$msg .= "\n"	227	$msg .= "\n"
121	unless $msg =~ /\n$/;	228	unless $msg =~ /\n$/;
122		229
		230	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		231
123	LOG llevError, $msg;	232	LOG llevError, $msg;
124	};	233	};
125	}	234	}
		235
		236	$Coro::State::DIEHOOK = sub {
		237	return unless $^S eq 0; # "eq", not "=="
		238
		239	if ($Coro::current == $Coro::main) {#d#
		240	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		241	return;#d#
		242	}#d#
		243
		244	# kill coroutine otherwise
		245	warn Carp::longmess $_[0];
		246	Coro::terminate
		247	};
		248
		249	$SIG{__DIE__} = sub { }; #d#?
126		250
127	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	251	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
128	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	252	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
129	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	253	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
130	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	254	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
131	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	255	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		256	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
132	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	257	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
133		258
134	# we bless all objects into (empty) derived classes to force a method lookup	259	# we bless all objects into (empty) derived classes to force a method lookup
135	# within the Safe compartment.	260	# within the Safe compartment.
136	for my $pkg (qw(	261	for my $pkg (qw(
137	cf::global cf::attachable	262	cf::global cf::attachable
138	cf::object cf::object::player	263	cf::object cf::object::player
139	cf::client cf::player	264	cf::client cf::player
140	cf::arch cf::living	265	cf::arch cf::living
		266	cf::map cf::mapspace
141	cf::map cf::party cf::region	267	cf::party cf::region
142	)) {	268	)) {
143	no strict 'refs';
144	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	269	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
145	}	270	}
146		271
147	$Event::DIED = sub {	272	$EV::DIED = sub {
148	warn "error in event callback: @_";	273	warn "error in event callback: @_";
149	};	274	};
150		275
151	my %ext_pkg;	276	#############################################################################
152	my @exts;
153	my @hook;
154		277
155	=head2 UTILITY FUNCTIONS	278	=head2 UTILITY FUNCTIONS
156		279
157	=over 4	280	=over 4
158		281
159	=cut	282	=item dumpval $ref
160		283
161	use JSON::Syck (); # TODO# replace by JSON::PC once working	284	=cut
162		285
		286	sub dumpval {
		287	eval {
		288	local $SIG{__DIE__};
		289	my $d;
		290	if (1) {
		291	$d = new Data::Dumper([$_[0]], ["*var"]);
		292	$d->Terse(1);
		293	$d->Indent(2);
		294	$d->Quotekeys(0);
		295	$d->Useqq(1);
		296	#$d->Bless(...);
		297	$d->Seen($_[1]) if @_ > 1;
		298	$d = $d->Dump();
		299	}
		300	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		301	$d
		302	} || "[unable to dump $_[0]: '$@']";
		303	}
		304
163	=item $ref = cf::from_json $json	305	=item $ref = cf::decode_json $json
164		306
165	Converts a JSON string into the corresponding perl data structure.	307	Converts a JSON string into the corresponding perl data structure.
166		308
167	=cut
168
169	sub from_json($) {
170	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
171	JSON::Syck::Load $_[0]
172	}
173
174	=item $json = cf::to_json $ref	309	=item $json = cf::encode_json $ref
175		310
176	Converts a perl data structure into its JSON representation.	311	Converts a perl data structure into its JSON representation.
177		312
178	=cut	313	=cut
179		314
180	sub to_json($) {	315	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
181	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	316
182	JSON::Syck::Dump $_[0]	317	sub encode_json($) { $json_coder->encode ($_[0]) }
		318	sub decode_json($) { $json_coder->decode ($_[0]) }
		319
		320	=item cf::post_init { BLOCK }
		321
		322	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		323	but I<before> the server starts ticking again.
		324
		325	The cdoeblock will have a single boolean argument to indicate whether this
		326	is a reload or not.
		327
		328	=cut
		329
		330	sub post_init(&) {
		331	push @POST_INIT, shift;
183	}	332	}
184		333
185	=item cf::lock_wait $string	334	=item cf::lock_wait $string
186		335
187	Wait until the given lock is available. See cf::lock_acquire.	336	Wait until the given lock is available. See cf::lock_acquire.
188		337
189	=item my $lock = cf::lock_acquire $string	338	=item my $lock = cf::lock_acquire $string
190		339
191	Wait until the given lock is available and then acquires it and returns	340	Wait until the given lock is available and then acquires it and returns
192	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	341	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
193	for example when the coroutine gets canceled), the lock is automatically	342	for example when the coroutine gets canceled), the lock is automatically
194	returned.	343	returned.
195		344
		345	Locks are *not* recursive, locking from the same coro twice results in a
		346	deadlocked coro.
		347
196	Lock names should begin with a unique identifier (for example, cf::map::find	348	Lock names should begin with a unique identifier (for example, cf::map::find
197	uses map_find and cf::map::load uses map_load).	349	uses map_find and cf::map::load uses map_load).
198		350
199	=cut	351	=item $locked = cf::lock_active $string
200		352
201	our %LOCK;	353	Return true if the lock is currently active, i.e. somebody has locked it.
		354
		355	=cut
		356
		357	our $LOCKS = new Coro::SemaphoreSet;
202		358
203	sub lock_wait($) {	359	sub lock_wait($) {
204	my ($key) = @_;	360	$LOCKS->wait ($_[0]);
205
206	# wait for lock, if any
207	while ($LOCK{$key}) {
208	push @{ $LOCK{$key} }, $Coro::current;
209	Coro::schedule;
210	}
211	}	361	}
212		362
213	sub lock_acquire($) {	363	sub lock_acquire($) {
214	my ($key) = @_;	364	$LOCKS->guard ($_[0])
		365	}
215		366
216	# wait, to be sure we are not locked	367	sub lock_active($) {
217	lock_wait $key;	368	$LOCKS->count ($_[0]) < 1
218
219	$LOCK{$key} = [];
220
221	Coro::guard {
222	# wake up all waiters, to be on the safe side
223	$_->ready for @{ delete $LOCK{$key} };
224	}
225	}	369	}
226		370
227	sub freeze_mainloop {	371	sub freeze_mainloop {
228	return unless $TICK_WATCHER->is_active;	372	tick_inhibit_inc;
229		373
230	my $guard = Coro::guard { $TICK_WATCHER->start };	374	&Guard::guard (\&tick_inhibit_dec);
231	$TICK_WATCHER->stop;	375	}
232	$guard	376
		377	=item cf::periodic $interval, $cb
		378
		379	Like EV::periodic, but randomly selects a starting point so that the actions
		380	get spread over timer.
		381
		382	=cut
		383
		384	sub periodic($$) {
		385	my ($interval, $cb) = @_;
		386
		387	my $start = rand List::Util::min 180, $interval;
		388
		389	EV::periodic $start, $interval, 0, $cb
		390	}
		391
		392	=item cf::get_slot $time[, $priority[, $name]]
		393
		394	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		395	This call blocks and returns only when you have at least C<$time> seconds
		396	of cpu time till the next tick. The slot is only valid till the next cede.
		397
		398	The optional C<$name> can be used to identify the job to run. It might be
		399	used for statistical purposes and should identify the same time-class.
		400
		401	Useful for short background jobs.
		402
		403	=cut
		404
		405	our @SLOT_QUEUE;
		406	our $SLOT_QUEUE;
		407
		408	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		409	$SLOT_QUEUE = Coro::async {
		410	$Coro::current->desc ("timeslot manager");
		411
		412	my $signal = new Coro::Signal;
		413
		414	while () {
		415	next_job:
		416	my $avail = cf::till_tick;
		417	if ($avail > 0.01) {
		418	for (0 .. $#SLOT_QUEUE) {
		419	if ($SLOT_QUEUE[$_][0] < $avail) {
		420	my $job = splice @SLOT_QUEUE, $_, 1, ();
		421	$job->[2]->send;
		422	Coro::cede;
		423	goto next_job;
		424	}
		425	}
		426	}
		427
		428	if (@SLOT_QUEUE) {
		429	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		430	push @cf::WAIT_FOR_TICK, $signal;
		431	$signal->wait;
		432	} else {
		433	Coro::schedule;
		434	}
		435	}
		436	};
		437
		438	sub get_slot($;$$) {
		439	return if tick_inhibit || $Coro::current == $Coro::main;
		440
		441	my ($time, $pri, $name) = @_;
		442
		443	$time = $TICK * .6 if $time > $TICK * .6;
		444	my $sig = new Coro::Signal;
		445
		446	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		447	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		448	$SLOT_QUEUE->ready;
		449	$sig->wait;
233	}	450	}
234		451
235	=item cf::async { BLOCK }	452	=item cf::async { BLOCK }
236		453
237	Currently the same as Coro::async_pool, meaning you cannot use	454	Currently the same as Coro::async_pool, meaning you cannot use
…		…
242		459
243	BEGIN { *async = \&Coro::async_pool }	460	BEGIN { *async = \&Coro::async_pool }
244		461
245	=item cf::sync_job { BLOCK }	462	=item cf::sync_job { BLOCK }
246		463
247	The design of crossfire+ requires that the main coro ($Coro::main) is	464	The design of Deliantra requires that the main coroutine ($Coro::main)
248	always able to handle events or runnable, as crossfire+ is only partly	465	is always able to handle events or runnable, as Deliantra is only
249	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	466	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		467	acceptable.
250		468
251	If it must be done, put the blocking parts into C<sync_job>. This will run	469	If it must be done, put the blocking parts into C<sync_job>. This will run
252	the given BLOCK in another coroutine while waiting for the result. The	470	the given BLOCK in another coroutine while waiting for the result. The
253	server will be frozen during this time, so the block should either finish	471	server will be frozen during this time, so the block should either finish
254	fast or be very important.	472	fast or be very important.
…		…
257		475
258	sub sync_job(&) {	476	sub sync_job(&) {
259	my ($job) = @_;	477	my ($job) = @_;
260		478
261	if ($Coro::current == $Coro::main) {	479	if ($Coro::current == $Coro::main) {
		480	my $time = EV::time;
		481
262	# this is the main coro, too bad, we have to block	482	# this is the main coro, too bad, we have to block
263	# till the operation succeeds, freezing the server :/	483	# till the operation succeeds, freezing the server :/
264		484
265	# TODO: use suspend/resume instead	485	LOG llevError, Carp::longmess "sync job";#d#
266	# (but this is cancel-safe)	486
267	my $freeze_guard = freeze_mainloop;	487	my $freeze_guard = freeze_mainloop;
268		488
269	my $busy = 1;	489	my $busy = 1;
270	my @res;	490	my @res;
271		491
272	(async {	492	(async {
		493	$Coro::current->desc ("sync job coro");
273	@res = eval { $job->() };	494	@res = eval { $job->() };
274	warn $@ if $@;	495	warn $@ if $@;
275	undef $busy;	496	undef $busy;
276	})->prio (Coro::PRIO_MAX);	497	})->prio (Coro::PRIO_MAX);
277		498
278	while ($busy) {	499	while ($busy) {
279	Coro::cede or Event::one_event;	500	if (Coro::nready) {
		501	Coro::cede_notself;
		502	} else {
		503	EV::loop EV::LOOP_ONESHOT;
280	}	504	}
		505	}
		506
		507	my $time = EV::time - $time;
		508
		509	$TICK_START += $time; # do not account sync jobs to server load
281		510
282	wantarray ? @res : $res[0]	511	wantarray ? @res : $res[0]
283	} else {	512	} else {
284	# we are in another coroutine, how wonderful, everything just works	513	# we are in another coroutine, how wonderful, everything just works
285		514
…		…
287	}	516	}
288	}	517	}
289		518
290	=item $coro = cf::async_ext { BLOCK }	519	=item $coro = cf::async_ext { BLOCK }
291		520
292	Like async, but this coro is automcatially being canceled when the	521	Like async, but this coro is automatically being canceled when the
293	extension calling this is being unloaded.	522	extension calling this is being unloaded.
294		523
295	=cut	524	=cut
296		525
297	sub async_ext(&) {	526	sub async_ext(&) {
…		…
305	$EXT_CORO{$coro+0} = $coro;	534	$EXT_CORO{$coro+0} = $coro;
306		535
307	$coro	536	$coro
308	}	537	}
309		538
310	sub write_runtime {	539	=item fork_call { }, $args
311	my $runtime = cf::localdir . "/runtime";
312		540
313	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	541	Executes the given code block with the given arguments in a seperate
314	or return;	542	process, returning the results. Everything must be serialisable with
		543	Coro::Storable. May, of course, block. Note that the executed sub may
		544	never block itself or use any form of event handling.
315		545
316	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	546	=cut
317	(aio_write $fh, 0, (length $value), $value, 0) <= 0
318	and return;
319		547
320	aio_fsync $fh	548	sub fork_call(&@) {
321	and return;	549	my ($cb, @args) = @_;
322		550
323	close $fh	551	# we seemingly have to make a local copy of the whole thing,
324	or return;	552	# otherwise perl prematurely frees the stuff :/
		553	# TODO: investigate and fix (likely this will be rather laborious)
325		554
326	aio_rename "$runtime~", $runtime	555	my @res = Coro::Util::fork_eval {
327	and return;	556	reset_signals;
		557	&$cb
		558	}, @args;
328		559
		560	wantarray ? @res : $res[-1]
		561	}
		562
		563	=item $coin = coin_from_name $name
		564
		565	=cut
		566
		567	our %coin_alias = (
		568	"silver" => "silvercoin",
		569	"silvercoin" => "silvercoin",
		570	"silvercoins" => "silvercoin",
		571	"gold" => "goldcoin",
		572	"goldcoin" => "goldcoin",
		573	"goldcoins" => "goldcoin",
		574	"platinum" => "platinacoin",
		575	"platinumcoin" => "platinacoin",
		576	"platinumcoins" => "platinacoin",
		577	"platina" => "platinacoin",
		578	"platinacoin" => "platinacoin",
		579	"platinacoins" => "platinacoin",
		580	"royalty" => "royalty",
		581	"royalties" => "royalty",
		582	);
		583
		584	sub coin_from_name($) {
		585	$coin_alias{$_[0]}
		586	? cf::arch::find $coin_alias{$_[0]}
		587	: undef
		588	}
		589
		590	=item $value = cf::db_get $family => $key
		591
		592	Returns a single value from the environment database.
		593
		594	=item cf::db_put $family => $key => $value
		595
		596	Stores the given C<$value> in the family. It can currently store binary
		597	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		598
		599	=item $db = cf::db_table "name"
		600
		601	Create and/or open a new database table. The string must not be "db" and must be unique
		602	within each server.
		603
		604	=cut
		605
		606	sub db_table($) {
		607	my ($name) = @_;
		608	my $db = BDB::db_create $DB_ENV;
		609
		610	eval {
		611	$db->set_flags (BDB::CHKSUM);
		612
		613	utf8::encode $name;
		614	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		615	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		616	cf::cleanup "db_open(db): $!" if $!;
		617	};
		618	cf::cleanup "db_open(db): $@" if $@;
		619
		620	$db
		621	}
		622
		623	our $DB;
		624
		625	sub db_init {
		626	cf::sync_job {
		627	$DB ||= db_table "db";
		628	};
		629	}
		630
		631	sub db_get($$) {
		632	my $key = "$_[0]/$_[1]";
		633
		634	cf::sync_job {
		635	BDB::db_get $DB, undef, $key, my $data;
		636
		637	$! ? ()
		638	: $data
329	1	639	}
		640	}
		641
		642	sub db_put($$$) {
		643	BDB::dbreq_pri 4;
		644	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		645	}
		646
		647	=item cf::cache $id => [$paths...], $processversion => $process
		648
		649	Generic caching function that returns the value of the resource $id,
		650	caching and regenerating as required.
		651
		652	This function can block.
		653
		654	=cut
		655
		656	sub cache {
		657	my ($id, $src, $processversion, $process) = @_;
		658
		659	my $meta =
		660	join "\x00",
		661	$processversion,
		662	map {
		663	aio_stat $_
		664	and Carp::croak "$_: $!";
		665
		666	($_, (stat _)[7,9])
		667	} @$src;
		668
		669	my $dbmeta = db_get cache => "$id/meta";
		670	if ($dbmeta ne $meta) {
		671	# changed, we may need to process
		672
		673	my @data;
		674	my $md5;
		675
		676	for (0 .. $#$src) {
		677	0 <= aio_load $src->[$_], $data[$_]
		678	or Carp::croak "$src->[$_]: $!";
		679	}
		680
		681	# if processing is expensive, check
		682	# checksum first
		683	if (1) {
		684	$md5 =
		685	join "\x00",
		686	$processversion,
		687	map {
		688	cf::cede_to_tick;
		689	($src->[$_], Digest::MD5::md5_hex $data[$_])
		690	} 0.. $#$src;
		691
		692
		693	my $dbmd5 = db_get cache => "$id/md5";
		694	if ($dbmd5 eq $md5) {
		695	db_put cache => "$id/meta", $meta;
		696
		697	return db_get cache => "$id/data";
		698	}
		699	}
		700
		701	my $t1 = Time::HiRes::time;
		702	my $data = $process->(\@data);
		703	my $t2 = Time::HiRes::time;
		704
		705	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		706
		707	db_put cache => "$id/data", $data;
		708	db_put cache => "$id/md5" , $md5;
		709	db_put cache => "$id/meta", $meta;
		710
		711	return $data;
		712	}
		713
		714	db_get cache => "$id/data"
		715	}
		716
		717	=item cf::datalog type => key => value, ...
		718
		719	Log a datalog packet of the given type with the given key-value pairs.
		720
		721	=cut
		722
		723	sub datalog($@) {
		724	my ($type, %kv) = @_;
		725	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
330	}	726	}
331		727
332	=back	728	=back
333		729
334	=cut	730	=cut
335		731
336	#############################################################################	732	#############################################################################
337		733
338	package cf::path;
339
340	sub new {
341	my ($class, $path, $base) = @_;
342
343	$path = $path->as_string if ref $path;
344
345	my $self = bless { }, $class;
346
347	# {... are special paths that are not touched
348	# ?xxx/... are special absolute paths
349	# ?random/... random maps
350	# /! non-realised random map exit
351	# /... normal maps
352	# ~/... per-player maps without a specific player (DO NOT USE)
353	# ~user/... per-player map of a specific user
354
355	if ($path =~ /^{/) {
356	# fine as it is
357	} elsif ($path =~ s{^\?random/}{}) {
358	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
359	$self->{random} = cf::from_json $data;
360	} else {
361	if ($path =~ s{^~([^/]+)?}{}) {
362	$self->{user_rel} = 1;
363
364	if (defined $1) {
365	$self->{user} = $1;
366	} elsif ($base =~ m{^~([^/]+)/}) {
367	$self->{user} = $1;
368	} else {
369	warn "cannot resolve user-relative path without user <$path,$base>\n";
370	}
371	} elsif ($path =~ /^\//) {
372	# already absolute
373	} else {
374	$base =~ s{[^/]+/?$}{};
375	return $class->new ("$base/$path");
376	}
377
378	for ($path) {
379	redo if s{/\.?/}{/};
380	redo if s{/[^/]+/\.\./}{/};
381	}
382	}
383
384	$self->{path} = $path;
385
386	$self
387	}
388
389	# the name / primary key / in-game path
390	sub as_string {
391	my ($self) = @_;
392
393	$self->{user_rel} ? "~$self->{user}$self->{path}"
394	: $self->{random} ? "?random/$self->{path}"
395	: $self->{path}
396	}
397
398	# the displayed name, this is a one way mapping
399	sub visible_name {
400	my ($self) = @_;
401
402	# if (my $rmp = $self->{random}) {
403	# # todo: be more intelligent about this
404	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
405	# } else {
406	$self->as_string
407	# }
408	}
409
410	# escape the /'s in the path
411	sub _escaped_path {
412	# ∕ is U+2215
413	(my $path = $_[0]{path}) =~ s/\//∕/g;
414	$path
415	}
416
417	# the original (read-only) location
418	sub load_path {
419	my ($self) = @_;
420
421	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
422	}
423
424	# the temporary/swap location
425	sub save_path {
426	my ($self) = @_;
427
428	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
429	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
430	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
431	}
432
433	# the unique path, might be eq to save_path
434	sub uniq_path {
435	my ($self) = @_;
436
437	$self->{user_rel} || $self->{random}
438	? undef
439	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
440	}
441
442	# return random map parameters, or undef
443	sub random_map_params {
444	my ($self) = @_;
445
446	$self->{random}
447	}
448
449	# this is somewhat ugly, but style maps do need special treatment
450	sub is_style_map {
451	$_[0]{path} =~ m{^/styles/}
452	}
453
454	package cf;
455
456	#############################################################################
457
458	=head2 ATTACHABLE OBJECTS	734	=head2 ATTACHABLE OBJECTS
459		735
460	Many objects in crossfire are so-called attachable objects. That means you can	736	Many objects in deliantra are so-called attachable objects. That means you can
461	attach callbacks/event handlers (a collection of which is called an "attachment")	737	attach callbacks/event handlers (a collection of which is called an "attachment")
462	to it. All such attachable objects support the following methods.	738	to it. All such attachable objects support the following methods.
463		739
464	In the following description, CLASS can be any of C<global>, C<object>	740	In the following description, CLASS can be any of C<global>, C<object>
465	C<player>, C<client> or C<map> (i.e. the attachable objects in	741	C<player>, C<client> or C<map> (i.e. the attachable objects in
466	crossfire+).	742	Deliantra).
467		743
468	=over 4	744	=over 4
469		745
470	=item $attachable->attach ($attachment, key => $value...)	746	=item $attachable->attach ($attachment, key => $value...)
471		747
…		…
515	=item cf::CLASS::attachment $name, ...	791	=item cf::CLASS::attachment $name, ...
516		792
517	Register an attachment by C<$name> through which attachable objects of the	793	Register an attachment by C<$name> through which attachable objects of the
518	given CLASS can refer to this attachment.	794	given CLASS can refer to this attachment.
519		795
520	Some classes such as crossfire maps and objects can specify attachments	796	Some classes such as deliantra maps and objects can specify attachments
521	that are attached at load/instantiate time, thus the need for a name.	797	that are attached at load/instantiate time, thus the need for a name.
522		798
523	These calls expect any number of the following handler/hook descriptions:	799	These calls expect any number of the following handler/hook descriptions:
524		800
525	=over 4	801	=over 4
…		…
585	our @CB_TYPE = (); # registry for type (cf-object class) based events	861	our @CB_TYPE = (); # registry for type (cf-object class) based events
586	our @CB_MAP = ();	862	our @CB_MAP = ();
587		863
588	my %attachment;	864	my %attachment;
589		865
		866	sub cf::attachable::thawer_merge {
		867	# simply override everything except _meta
		868	local $_[0]{_meta};
		869	%{$_[0]} = %{$_[1]};
		870	}
		871
590	sub _attach_cb($$$$) {	872	sub _attach_cb($$$$) {
591	my ($registry, $event, $prio, $cb) = @_;	873	my ($registry, $event, $prio, $cb) = @_;
592		874
593	use sort 'stable';	875	use sort 'stable';
594		876
…		…
628	$registry = $CB_TYPE[$object_type] ||= [];	910	$registry = $CB_TYPE[$object_type] ||= [];
629		911
630	} elsif ($type eq "subtype") {	912	} elsif ($type eq "subtype") {
631	defined $object_type or Carp::croak "subtype specified without type";	913	defined $object_type or Carp::croak "subtype specified without type";
632	my $object_subtype = shift @arg;	914	my $object_subtype = shift @arg;
633	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	915	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
634		916
635	} elsif ($type eq "package") {	917	} elsif ($type eq "package") {
636	my $pkg = shift @arg;	918	my $pkg = shift @arg;
637		919
638	while (my ($name, $id) = each %cb_id) {	920	while (my ($name, $id) = each %cb_id) {
…		…
667	_attach $registry, $klass, @attach;	949	_attach $registry, $klass, @attach;
668	}	950	}
669		951
670	$obj->{$name} = \%arg;	952	$obj->{$name} = \%arg;
671	} else {	953	} else {
672	warn "object uses attachment '$name' that is not available, postponing.\n";	954	warn "object uses attachment '$name' which is not available, postponing.\n";
673	}	955	}
674		956
675	$obj->{_attachment}{$name} = undef;	957	$obj->{_attachment}{$name} = undef;
676	}	958	}
677		959
…		…
679	if (ref $_[0]) {	961	if (ref $_[0]) {
680	_object_attach @_;	962	_object_attach @_;
681	} else {	963	} else {
682	_attach shift->_attach_registry, @_;	964	_attach shift->_attach_registry, @_;
683	}	965	}
		966	_recalc_want;
684	};	967	};
685		968
686	# all those should be optimised	969	# all those should be optimised
687	sub cf::attachable::detach {	970	sub cf::attachable::detach {
688	my ($obj, $name) = @_;	971	my ($obj, $name) = @_;
…		…
691	delete $obj->{_attachment}{$name};	974	delete $obj->{_attachment}{$name};
692	reattach ($obj);	975	reattach ($obj);
693	} else {	976	} else {
694	Carp::croak "cannot, currently, detach class attachments";	977	Carp::croak "cannot, currently, detach class attachments";
695	}	978	}
		979	_recalc_want;
696	};	980	};
697		981
698	sub cf::attachable::attached {	982	sub cf::attachable::attached {
699	my ($obj, $name) = @_;	983	my ($obj, $name) = @_;
700		984
…		…
715	";	999	";
716	die if $@;	1000	die if $@;
717	}	1001	}
718		1002
719	our $override;	1003	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1004	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		1005
722	sub override {	1006	sub override {
723	$override = 1;	1007	$override = 1;
724	@invoke_results = ();	1008	@INVOKE_RESULTS = (@_);
725	}	1009	}
726		1010
727	sub do_invoke {	1011	sub do_invoke {
728	my $event = shift;	1012	my $event = shift;
729	my $callbacks = shift;	1013	my $callbacks = shift;
730		1014
731	@invoke_results = ();	1015	@INVOKE_RESULTS = ();
732		1016
733	local $override;	1017	local $override;
734		1018
735	for (@$callbacks) {	1019	for (@$callbacks) {
736	eval { &{$_->[1]} };	1020	eval { &{$_->[1]} };
…		…
745	}	1029	}
746		1030
747	0	1031	0
748	}	1032	}
749		1033
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1034	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1035
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1036	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1037
754	Generate an object-specific event with the given arguments.	1038	Generate an object-specific event with the given arguments.
755		1039
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1040	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757	removed in future versions), and there is no public API to access override	1041	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1042	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1043
760	=back	1044	=back
761		1045
762	=cut	1046	=cut
763		1047
764	#############################################################################	1048	#############################################################################
765	# object support	1049	# object support
		1050
		1051	sub _object_equal($$);
		1052	sub _object_equal($$) {
		1053	my ($a, $b) = @_;
		1054
		1055	return 0 unless (ref $a) eq (ref $b);
		1056
		1057	if ("HASH" eq ref $a) {
		1058	my @ka = keys %$a;
		1059	my @kb = keys %$b;
		1060
		1061	return 0 if @ka != @kb;
		1062
		1063	for (0 .. $#ka) {
		1064	return 0 unless $ka[$_] eq $kb[$_];
		1065	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1066	}
		1067
		1068	} elsif ("ARRAY" eq ref $a) {
		1069
		1070	return 0 if @$a != @$b;
		1071
		1072	for (0 .. $#$a) {
		1073	return 0 unless _object_equal $a->[$_], $b->[$_];
		1074	}
		1075
		1076	} elsif ($a ne $b) {
		1077	return 0;
		1078	}
		1079
		1080	1
		1081	}
		1082
		1083	our $SLOW_MERGES;#d#
		1084	sub _can_merge {
		1085	my ($ob1, $ob2) = @_;
		1086
		1087	++$SLOW_MERGES;#d#
		1088
		1089	# we do the slow way here
		1090	return _object_equal $ob1, $ob2
		1091	}
766		1092
767	sub reattach {	1093	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1094	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1095	my ($obj) = @_;
		1096
		1097	# no longer needed after getting rid of delete_package?
		1098	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
770		1099
771	my $registry = $obj->registry;	1100	my $registry = $obj->registry;
772		1101
773	@$registry = ();	1102	@$registry = ();
774		1103
…		…
789	cf::attachable->attach (	1118	cf::attachable->attach (
790	prio => -1000000,	1119	prio => -1000000,
791	on_instantiate => sub {	1120	on_instantiate => sub {
792	my ($obj, $data) = @_;	1121	my ($obj, $data) = @_;
793		1122
794	$data = from_json $data;	1123	$data = decode_json $data;
795		1124
796	for (@$data) {	1125	for (@$data) {
797	my ($name, $args) = @$_;	1126	my ($name, $args) = @$_;
798		1127
799	$obj->attach ($name, %{$args || {} });	1128	$obj->attach ($name, %{$args || {} });
…		…
815	sub object_freezer_save {	1144	sub object_freezer_save {
816	my ($filename, $rdata, $objs) = @_;	1145	my ($filename, $rdata, $objs) = @_;
817		1146
818	sync_job {	1147	sync_job {
819	if (length $$rdata) {	1148	if (length $$rdata) {
		1149	utf8::decode (my $decname = $filename);
820	warn sprintf "saving %s (%d,%d)\n",	1150	warn sprintf "saving %s (%d,%d)\n",
821	$filename, length $$rdata, scalar @$objs;	1151	$decname, length $$rdata, scalar @$objs;
822		1152
823	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1153	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
824	chmod SAVE_MODE, $fh;	1154	aio_chmod $fh, SAVE_MODE;
825	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1155	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1156	if ($cf::USE_FSYNC) {
		1157	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
826	aio_fsync $fh;	1158	aio_fsync $fh;
		1159	}
827	close $fh;	1160	aio_close $fh;
828		1161
829	if (@$objs) {	1162	if (@$objs) {
830	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1163	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
831	chmod SAVE_MODE, $fh;	1164	aio_chmod $fh, SAVE_MODE;
832	my $data = Storable::nfreeze { version => 1, objs => $objs };	1165	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
833	aio_write $fh, 0, (length $data), $data, 0;	1166	aio_write $fh, 0, (length $data), $data, 0;
		1167	if ($cf::USE_FSYNC) {
		1168	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
834	aio_fsync $fh;	1169	aio_fsync $fh;
		1170	}
835	close $fh;	1171	aio_close $fh;
836	aio_rename "$filename.pst~", "$filename.pst";	1172	aio_rename "$filename.pst~", "$filename.pst";
837	}	1173	}
838	} else {	1174	} else {
839	aio_unlink "$filename.pst";	1175	aio_unlink "$filename.pst";
840	}	1176	}
841		1177
842	aio_rename "$filename~", $filename;	1178	aio_rename "$filename~", $filename;
		1179
		1180	$filename =~ s%/[^/]+$%%;
		1181	aio_pathsync $filename if $cf::USE_FSYNC;
843	} else {	1182	} else {
844	warn "FATAL: $filename~: $!\n";	1183	warn "unable to save objects: $filename~: $!\n";
845	}	1184	}
846	} else {	1185	} else {
847	aio_unlink $filename;	1186	aio_unlink $filename;
848	aio_unlink "$filename.pst";	1187	aio_unlink "$filename.pst";
849	}	1188	}
850	}	1189	};
851	}	1190	}
852		1191
853	sub object_freezer_as_string {	1192	sub object_freezer_as_string {
854	my ($rdata, $objs) = @_;	1193	my ($rdata, $objs) = @_;
855		1194
…		…
867	or return;	1206	or return;
868		1207
869	unless (aio_stat "$filename.pst") {	1208	unless (aio_stat "$filename.pst") {
870	(aio_load "$filename.pst", $av) >= 0	1209	(aio_load "$filename.pst", $av) >= 0
871	or return;	1210	or return;
		1211
872	$av = eval { (Storable::thaw $av)->{objs} };	1212	my $st = eval { Coro::Storable::thaw $av };
		1213	$av = $st->{objs};
873	}	1214	}
874		1215
		1216	utf8::decode (my $decname = $filename);
875	warn sprintf "loading %s (%d)\n",	1217	warn sprintf "loading %s (%d,%d)\n",
876	$filename, length $data, scalar @{$av || []};#d#	1218	$decname, length $data, scalar @{$av || []};
		1219
877	return ($data, $av);	1220	($data, $av)
878	}	1221	}
		1222
		1223	=head2 COMMAND CALLBACKS
		1224
		1225	=over 4
		1226
		1227	=cut
879		1228
880	#############################################################################	1229	#############################################################################
881	# command handling &c	1230	# command handling &c
882		1231
883	=item cf::register_command $name => \&callback($ob,$args);	1232	=item cf::register_command $name => \&callback($ob,$args);
…		…
896	push @{ $COMMAND{$name} }, [$caller, $cb];	1245	push @{ $COMMAND{$name} }, [$caller, $cb];
897	}	1246	}
898		1247
899	=item cf::register_extcmd $name => \&callback($pl,$packet);	1248	=item cf::register_extcmd $name => \&callback($pl,$packet);
900		1249
901	Register a callbackf ro execution when the client sends an extcmd packet.	1250	Register a callback for execution when the client sends an (synchronous)
		1251	extcmd packet. Ext commands will be processed in the order they are
		1252	received by the server, like other user commands. The first argument is
		1253	the logged-in player. Ext commands can only be processed after a player
		1254	has logged in successfully.
902		1255
903	If the callback returns something, it is sent back as if reply was being	1256	If the callback returns something, it is sent back as if reply was being
904	called.	1257	called.
905		1258
		1259	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1260
		1261	Register a callback for execution when the client sends an (asynchronous)
		1262	exticmd packet. Exti commands are processed by the server as soon as they
		1263	are received, i.e. out of order w.r.t. other commands. The first argument
		1264	is a client socket. Exti commands can be received anytime, even before
		1265	log-in.
		1266
		1267	If the callback returns something, it is sent back as if reply was being
		1268	called.
		1269
906	=cut	1270	=cut
907		1271
908	sub register_extcmd {	1272	sub register_extcmd {
909	my ($name, $cb) = @_;	1273	my ($name, $cb) = @_;
910		1274
911	my $caller = caller;
912	#warn "registering extcmd '$name' to '$caller'";
913
914	$EXTCMD{$name} = [$cb, $caller];	1275	$EXTCMD{$name} = $cb;
915	}	1276	}
		1277
		1278	sub register_exticmd {
		1279	my ($name, $cb) = @_;
		1280
		1281	$EXTICMD{$name} = $cb;
		1282	}
		1283
		1284	use File::Glob ();
916		1285
917	cf::player->attach (	1286	cf::player->attach (
918	on_command => sub {	1287	on_command => sub {
919	my ($pl, $name, $params) = @_;	1288	my ($pl, $name, $params) = @_;
920		1289
…		…
928	cf::override;	1297	cf::override;
929	},	1298	},
930	on_extcmd => sub {	1299	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1300	my ($pl, $buf) = @_;
932		1301
933	my $msg = eval { from_json $buf };	1302	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1303
935	if (ref $msg) {	1304	if (ref $msg) {
		1305	my ($type, $reply, @payload) =
		1306	"ARRAY" eq ref $msg
		1307	? @$msg
		1308	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1309
		1310	my @reply;
		1311
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1312	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->[0]->($pl, $msg)) {	1313	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1314	}
		1315
		1316	$pl->ext_reply ($reply, @reply)
		1317	if $reply;
		1318
941	} else {	1319	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1320	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1321	}
944		1322
945	cf::override;	1323	cf::override;
946	},	1324	},
947	);	1325	);
948		1326
949	sub register {	1327	# "readahead" all extensions
950	my ($base, $pkg) = @_;
951
952	#TODO
953	}
954
955	sub load_extension {	1328	sub cache_extensions {
956	my ($path) = @_;	1329	my $grp = IO::AIO::aio_group;
957		1330
958	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1331	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
959	my $base = $1;	1332	for (grep /\.ext$/, @{$_[0]}) {
960	my $pkg = $1;	1333	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
961	$pkg =~ s/[^[:word:]]/_/g;
962	$pkg = "ext::$pkg";
963
964	warn "loading '$path' into '$pkg'\n";
965
966	open my $fh, "<:utf8", $path
967	or die "$path: $!";
968
969	my $source =
970	"package $pkg; use strict; use utf8;\n"
971	. "#line 1 \"$path\"\n{\n"
972	. (do { local $/; <$fh> })
973	. "\n};\n1";
974
975	eval $source
976	or die $@ ? "$path: $@\n"
977	: "extension disabled.\n";
978
979	push @exts, $pkg;
980	$ext_pkg{$base} = $pkg;
981
982	# no strict 'refs';
983	# @{"$pkg\::ISA"} = ext::;
984
985	register $base, $pkg;
986	}
987
988	sub unload_extension {
989	my ($pkg) = @_;
990
991	warn "removing extension $pkg\n";
992
993	# remove hooks
994	#TODO
995	# for my $idx (0 .. $#PLUGIN_EVENT) {
996	# delete $hook[$idx]{$pkg};
997	# }
998
999	# remove commands
1000	for my $name (keys %COMMAND) {
1001	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1002
1003	if (@cb) {
1004	$COMMAND{$name} = \@cb;
1005	} else {
1006	delete $COMMAND{$name};
1007	}	1334	}
1008	}	1335	};
1009		1336
1010	# remove extcmds	1337	$grp
1011	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1012	delete $EXTCMD{$name};
1013	}
1014
1015	if (my $cb = $pkg->can ("unload")) {
1016	eval {
1017	$cb->($pkg);
1018	1
1019	} or warn "$pkg unloaded, but with errors: $@";
1020	}
1021
1022	Symbol::delete_package $pkg;
1023	}	1338	}
1024		1339
1025	sub load_extensions {	1340	sub load_extensions {
		1341	cf::sync_job {
		1342	my %todo;
		1343
1026	for my $ext (<$LIBDIR/*.ext>) {	1344	for my $path (<$LIBDIR/*.ext>) {
1027	next unless -r $ext;	1345	next unless -r $path;
1028	eval {	1346
1029	load_extension $ext;	1347	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1348	my $base = $1;
		1349	my $pkg = $1;
		1350	$pkg =~ s/[^[:word:]]/_/g;
		1351	$pkg = "ext::$pkg";
		1352
		1353	open my $fh, "<:utf8", $path
		1354	or die "$path: $!";
		1355
		1356	my $source = do { local $/; <$fh> };
		1357
		1358	my %ext = (
		1359	path => $path,
		1360	base => $base,
		1361	pkg => $pkg,
		1362	);
		1363
		1364	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1365	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1366
		1367	$ext{source} =
		1368	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1369	. "#line 1 \"$path\"\n{\n"
		1370	. $source
		1371	. "\n};\n1";
		1372
		1373	$todo{$base} = \%ext;
		1374	}
		1375
		1376	my %done;
		1377	while (%todo) {
		1378	my $progress;
		1379
		1380	while (my ($k, $v) = each %todo) {
		1381	for (split /,\s*/, $v->{meta}{depends}) {
		1382	goto skip
		1383	unless exists $done{$_};
		1384	}
		1385
		1386	warn "... loading '$k' into '$v->{pkg}'\n";
		1387
		1388	unless (eval $v->{source}) {
		1389	my $msg = $@ ? "$v->{path}: $@\n"
		1390	: "$v->{base}: extension inactive.\n";
		1391
		1392	if (exists $v->{meta}{mandatory}) {
		1393	warn $msg;
		1394	cf::cleanup "mandatory extension failed to load, exiting.";
		1395	}
		1396
		1397	warn $msg;
		1398	}
		1399
		1400	$done{$k} = delete $todo{$k};
		1401	push @EXTS, $v->{pkg};
		1402	$progress = 1;
1030	1	1403	}
1031	} or warn "$ext not loaded: $@";	1404
		1405	skip:
		1406	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1407	unless $progress;
		1408	}
1032	}	1409	};
1033	}	1410	}
1034		1411
1035	#############################################################################	1412	#############################################################################
1036	# load/save/clean perl data associated with a map
1037		1413
1038	*cf::mapsupport::on_clean = sub {	1414	=back
1039	my ($map) = @_;
1040
1041	my $path = $map->tmpname;
1042	defined $path or return;
1043
1044	unlink "$path.pst";
1045	};
1046
1047	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1048
1049	#############################################################################
1050	# load/save perl data associated with player->ob objects
1051
1052	sub all_objects(@) {
1053	@_, map all_objects ($_->inv), @_
1054	}
1055
1056	# TODO: compatibility cruft, remove when no longer needed
1057	cf::player->attach (
1058	on_load => sub {
1059	my ($pl, $path) = @_;
1060
1061	for my $o (all_objects $pl->ob) {
1062	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1063	$o->set_ob_key_value ("_perl_data");
1064
1065	%$o = %{ Storable::thaw pack "H*", $value };
1066	}
1067	}
1068	},
1069	);
1070
1071	#############################################################################
1072		1415
1073	=head2 CORE EXTENSIONS	1416	=head2 CORE EXTENSIONS
1074		1417
1075	Functions and methods that extend core crossfire objects.	1418	Functions and methods that extend core deliantra objects.
1076		1419
1077	=cut	1420	=cut
1078		1421
1079	package cf::player;	1422	package cf::player;
1080		1423
		1424	use Coro::AIO;
		1425
1081	=head3 cf::player	1426	=head3 cf::player
1082		1427
1083	=over 4	1428	=over 4
1084		1429
		1430	=item cf::player::num_playing
		1431
		1432	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1433
		1434	=cut
		1435
		1436	sub num_playing {
		1437	scalar grep
		1438	$_->ob->map
		1439	&& !$_->hidden
		1440	&& !$_->ob->flag (cf::FLAG_WIZ),
		1441	cf::player::list
		1442	}
		1443
1085	=item cf::player::find $login	1444	=item cf::player::find $login
1086		1445
1087	Returns the given player object, loading it if necessary (might block).	1446	Returns the given player object, loading it if necessary (might block).
1088		1447
1089	=cut	1448	=cut
1090		1449
1091	sub playerdir($) {	1450	sub playerdir($) {
1092	cf::localdir	1451	"$PLAYERDIR/"
1093	. "/"
1094	. cf::playerdir
1095	. "/"
1096	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1452	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1097	}	1453	}
1098		1454
1099	sub path($) {	1455	sub path($) {
1100	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1456	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1101		1457
1102	(playerdir $login) . "/$login.pl"	1458	(playerdir $login) . "/playerdata"
1103	}	1459	}
1104		1460
1105	sub find_active($) {	1461	sub find_active($) {
1106	$cf::PLAYER{$_[0]}	1462	$cf::PLAYER{$_[0]}
1107	and $cf::PLAYER{$_[0]}->active	1463	and $cf::PLAYER{$_[0]}->active
…		…
1110		1466
1111	sub exists($) {	1467	sub exists($) {
1112	my ($login) = @_;	1468	my ($login) = @_;
1113		1469
1114	$cf::PLAYER{$login}	1470	$cf::PLAYER{$login}
1115	or cf::sync_job { !aio_stat $login }	1471	or !aio_stat path $login
1116	}	1472	}
1117		1473
1118	sub find($) {	1474	sub find($) {
1119	return $cf::PLAYER{$_[0]} || do {	1475	return $cf::PLAYER{$_[0]} || do {
1120	my $login = $_[0];	1476	my $login = $_[0];
1121		1477
1122	my $guard = cf::lock_acquire "user_find:$login";	1478	my $guard = cf::lock_acquire "user_find:$login";
1123		1479
1124	$cf::PLAYER{$login} ||= (load_pl path $login or return);	1480	$cf::PLAYER{$_[0]} || do {
		1481	# rename old playerfiles to new ones
		1482	#TODO: remove when no longer required
		1483	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1484	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1485	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1486	aio_unlink +(playerdir $login) . "/$login.pl";
		1487
		1488	my $f = new_from_file cf::object::thawer path $login
		1489	or return;
		1490
		1491	my $pl = cf::player::load_pl $f
		1492	or return;
		1493
		1494	local $cf::PLAYER_LOADING{$login} = $pl;
		1495	$f->resolve_delayed_derefs;
		1496	$cf::PLAYER{$login} = $pl
		1497	}
1125	};	1498	}
1126	}	1499	}
1127		1500
1128	sub save($) {	1501	sub save($) {
1129	my ($pl) = @_;	1502	my ($pl) = @_;
1130		1503
…		…
1133	my $path = path $pl;	1506	my $path = path $pl;
1134	my $guard = cf::lock_acquire "user_save:$path";	1507	my $guard = cf::lock_acquire "user_save:$path";
1135		1508
1136	return if $pl->{deny_save};	1509	return if $pl->{deny_save};
1137		1510
1138	Coro::AIO::aio_mkdir playerdir $pl, 0770;	1511	aio_mkdir playerdir $pl, 0770;
1139	$pl->{last_save} = $cf::RUNTIME;	1512	$pl->{last_save} = $cf::RUNTIME;
1140		1513
		1514	cf::get_slot 0.01;
		1515
1141	$pl->save_pl ($path);	1516	$pl->save_pl ($path);
1142	Coro::cede;	1517	cf::cede_to_tick;
1143	}	1518	}
1144		1519
1145	sub new($) {	1520	sub new($) {
1146	my ($login) = @_;	1521	my ($login) = @_;
1147		1522
…		…
1153	$cf::PLAYER{$login} = $self;	1528	$cf::PLAYER{$login} = $self;
1154		1529
1155	$self	1530	$self
1156	}	1531	}
1157		1532
		1533	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1534
		1535	=cut
		1536
		1537	sub send_msg {
		1538	my $ns = shift->ns
		1539	or return;
		1540	$ns->send_msg (@_);
		1541	}
		1542
		1543	=item $pl->quit_character
		1544
		1545	Nukes the player without looking back. If logged in, the connection will
		1546	be destroyed. May block for a long time.
		1547
		1548	=cut
		1549
1158	sub quit_character {	1550	sub quit_character {
1159	my ($pl) = @_;	1551	my ($pl) = @_;
1160		1552
		1553	my $name = $pl->ob->name;
		1554
1161	$pl->{deny_save} = 1;	1555	$pl->{deny_save} = 1;
1162	$pl->password ("*"); # this should lock out the player until we nuked the dir	1556	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1163		1557
1164	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1558	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1165	$pl->deactivate;	1559	$pl->deactivate;
		1560	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1561	$pl->ob->check_score;
1166	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1562	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1167	$pl->ns->destroy if $pl->ns;	1563	$pl->ns->destroy if $pl->ns;
1168		1564
1169	my $path = playerdir $pl;	1565	my $path = playerdir $pl;
1170	my $temp = "$path~$cf::RUNTIME~deleting~";	1566	my $temp = "$path~$cf::RUNTIME~deleting~";
1171	IO::AIO::aio_rename $path, $temp, sub {	1567	aio_rename $path, $temp;
1172	delete $cf::PLAYER{$pl->ob->name};	1568	delete $cf::PLAYER{$pl->ob->name};
1173	$pl->destroy;	1569	$pl->destroy;
1174		1570
		1571	my $prefix = qr<^~\Q$name\E/>;
		1572
		1573	# nuke player maps
		1574	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1575
1175	IO::AIO::aio_rmtree $temp;	1576	IO::AIO::aio_rmtree $temp;
		1577	}
		1578
		1579	=item $pl->kick
		1580
		1581	Kicks a player out of the game. This destroys the connection.
		1582
		1583	=cut
		1584
		1585	sub kick {
		1586	my ($pl, $kicker) = @_;
		1587
		1588	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1589	$pl->killer ("kicked");
		1590	$pl->ns->destroy;
		1591	}
		1592
		1593	=item cf::player::list_logins
		1594
		1595	Returns am arrayref of all valid playernames in the system, can take a
		1596	while and may block, so not sync_job-capable, ever.
		1597
		1598	=cut
		1599
		1600	sub list_logins {
		1601	my $dirs = aio_readdir $PLAYERDIR
		1602	or return [];
		1603
		1604	my @logins;
		1605
		1606	for my $login (@$dirs) {
		1607	my $path = path $login;
		1608
		1609	# a .pst is a dead give-away for a valid player
		1610	# if no pst file found, open and chekc for blocked users
		1611	if (aio_stat "$path.pst") {
		1612	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
		1613	aio_read $fh, 0, 512, my $buf, 0 or next;
		1614	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1615	}
		1616
		1617	utf8::decode $login;
		1618	push @logins, $login;
1176	};	1619	}
1177	}
1178		1620
		1621	\@logins
		1622	}
		1623
		1624	=item $player->maps
		1625
		1626	Returns an arrayref of map paths that are private for this
		1627	player. May block.
		1628
		1629	=cut
		1630
		1631	sub maps($) {
		1632	my ($pl) = @_;
		1633
		1634	$pl = ref $pl ? $pl->ob->name : $pl;
		1635
		1636	my $files = aio_readdir playerdir $pl
		1637	or return;
		1638
		1639	my @paths;
		1640
		1641	for (@$files) {
		1642	utf8::decode $_;
		1643	next if /\.(?:pl|pst)$/;
		1644	next unless /^$PATH_SEP/o;
		1645
		1646	push @paths, cf::map::normalise "~$pl/$_";
		1647	}
		1648
		1649	\@paths
		1650	}
		1651
		1652	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1653
		1654	Expand deliantra pod fragments into protocol xml.
		1655
1179	=item $player->ext_reply ($msgid, $msgtype, %msg)	1656	=item $player->ext_reply ($msgid, @msg)
1180		1657
1181	Sends an ext reply to the player.	1658	Sends an ext reply to the player.
1182		1659
1183	=cut	1660	=cut
1184		1661
1185	sub ext_reply($$$%) {	1662	sub ext_reply($$@) {
1186	my ($self, $id, %msg) = @_;	1663	my ($self, $id, @msg) = @_;
1187		1664
1188	$msg{msgid} = $id;	1665	$self->ns->ext_reply ($id, @msg)
1189
1190	$self->send ("ext " . cf::to_json \%msg);
1191	}	1666	}
1192		1667
1193	package cf;	1668	=item $player->ext_msg ($type, @msg)
		1669
		1670	Sends an ext event to the client.
		1671
		1672	=cut
		1673
		1674	sub ext_msg($$@) {
		1675	my ($self, $type, @msg) = @_;
		1676
		1677	$self->ns->ext_msg ($type, @msg);
		1678	}
		1679
		1680	=head3 cf::region
		1681
		1682	=over 4
		1683
		1684	=cut
		1685
		1686	package cf::region;
		1687
		1688	=item cf::region::find_by_path $path
		1689
		1690	Tries to decuce the likely region for a map knowing only its path.
		1691
		1692	=cut
		1693
		1694	sub find_by_path($) {
		1695	my ($path) = @_;
		1696
		1697	my ($match, $specificity);
		1698
		1699	for my $region (list) {
		1700	if ($region->{match} && $path =~ $region->{match}) {
		1701	($match, $specificity) = ($region, $region->specificity)
		1702	if $region->specificity > $specificity;
		1703	}
		1704	}
		1705
		1706	$match
		1707	}
1194		1708
1195	=back	1709	=back
1196
1197		1710
1198	=head3 cf::map	1711	=head3 cf::map
1199		1712
1200	=over 4	1713	=over 4
1201		1714
…		…
1204	package cf::map;	1717	package cf::map;
1205		1718
1206	use Fcntl;	1719	use Fcntl;
1207	use Coro::AIO;	1720	use Coro::AIO;
1208		1721
		1722	use overload
		1723	'""' => \&as_string,
		1724	fallback => 1;
		1725
1209	our $MAX_RESET = 3600;	1726	our $MAX_RESET = 3600;
1210	our $DEFAULT_RESET = 3000;	1727	our $DEFAULT_RESET = 3000;
1211		1728
1212	sub generate_random_map {	1729	sub generate_random_map {
1213	my ($path, $rmp) = @_;	1730	my ($self, $rmp) = @_;
		1731
		1732	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1214		1733
1215	# mit "rum" bekleckern, nicht	1734	# mit "rum" bekleckern, nicht
1216	cf::map::_create_random_map	1735	$self->_create_random_map (
1217	$path,
1218	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1736	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1219	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1737	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1220	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1738	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1221	$rmp->{exit_on_final_map},	1739	$rmp->{exit_on_final_map},
1222	$rmp->{xsize}, $rmp->{ysize},	1740	$rmp->{xsize}, $rmp->{ysize},
1223	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1741	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1224	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1742	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1225	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1743	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1226	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1744	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1227	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1745	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1228	(cf::region::find $rmp->{region})	1746	(cf::region::find $rmp->{region}), $rmp->{custom}
		1747	)
1229	}	1748	}
1230		1749
1231	# and all this just because we cannot iterate over	1750	=item cf::map->register ($regex, $prio)
1232	# all maps in C++...
1233	sub change_all_map_light {
1234	my ($change) = @_;
1235		1751
1236	$_->change_map_light ($change)	1752	Register a handler for the map path matching the given regex at the
1237	for grep $_->outdoor, values %cf::MAP;	1753	givne priority (higher is better, built-in handlers have priority 0, the
1238	}	1754	default).
1239		1755
1240	sub try_load_header($) {	1756	=cut
		1757
		1758	sub register {
		1759	my (undef, $regex, $prio) = @_;
		1760	my $pkg = caller;
		1761
		1762	no strict;
		1763	push @{"$pkg\::ISA"}, __PACKAGE__;
		1764
		1765	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1766	}
		1767
		1768	# also paths starting with '/'
		1769	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1770
		1771	sub thawer_merge {
		1772	my ($self, $merge) = @_;
		1773
		1774	# we have to keep some variables in memory intact
		1775	local $self->{path};
		1776	local $self->{load_path};
		1777
		1778	$self->SUPER::thawer_merge ($merge);
		1779	}
		1780
		1781	sub normalise {
1241	my ($path) = @_;	1782	my ($path, $base) = @_;
		1783
		1784	$path = "$path"; # make sure its a string
		1785
		1786	$path =~ s/\.map$//;
		1787
		1788	# map plan:
		1789	#
		1790	# /! non-realised random map exit (special hack!)
		1791	# {... are special paths that are not being touched
		1792	# ?xxx/... are special absolute paths
		1793	# ?random/... random maps
		1794	# /... normal maps
		1795	# ~user/... per-player map of a specific user
		1796
		1797	$path =~ s/$PATH_SEP/\//go;
		1798
		1799	# treat it as relative path if it starts with
		1800	# something that looks reasonable
		1801	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1802	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1803
		1804	$base =~ s{[^/]+/?$}{};
		1805	$path = "$base/$path";
		1806	}
		1807
		1808	for ($path) {
		1809	redo if s{//}{/};
		1810	redo if s{/\.?/}{/};
		1811	redo if s{/[^/]+/\.\./}{/};
		1812	}
		1813
		1814	$path
		1815	}
		1816
		1817	sub new_from_path {
		1818	my (undef, $path, $base) = @_;
		1819
		1820	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1821
		1822	$path = normalise $path, $base;
		1823
		1824	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1825	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1826	my $self = bless cf::map::new, $pkg;
		1827	$self->{path} = $path; $self->path ($path);
		1828	$self->init; # pass $1 etc.
		1829	return $self;
		1830	}
		1831	}
		1832
		1833	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1834	()
		1835	}
		1836
		1837	sub init {
		1838	my ($self) = @_;
		1839
		1840	$self
		1841	}
		1842
		1843	sub as_string {
		1844	my ($self) = @_;
		1845
		1846	"$self->{path}"
		1847	}
		1848
		1849	# the displayed name, this is a one way mapping
		1850	sub visible_name {
		1851	&as_string
		1852	}
		1853
		1854	# the original (read-only) location
		1855	sub load_path {
		1856	my ($self) = @_;
		1857
		1858	"$MAPDIR/$self->{path}.map"
		1859	}
		1860
		1861	# the temporary/swap location
		1862	sub save_path {
		1863	my ($self) = @_;
		1864
		1865	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1866	"$TMPDIR/$path.map"
		1867	}
		1868
		1869	# the unique path, undef == no special unique path
		1870	sub uniq_path {
		1871	my ($self) = @_;
		1872
		1873	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1874	"$UNIQUEDIR/$path"
		1875	}
		1876
		1877	sub decay_objects {
		1878	my ($self) = @_;
		1879
		1880	return if $self->{deny_reset};
		1881
		1882	$self->do_decay_objects;
		1883	}
		1884
		1885	sub unlink_save {
		1886	my ($self) = @_;
		1887
		1888	utf8::encode (my $save = $self->save_path);
		1889	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1890	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1891	}
		1892
		1893	sub load_header_from($) {
		1894	my ($self, $path) = @_;
1242		1895
1243	utf8::encode $path;	1896	utf8::encode $path;
1244	aio_open $path, O_RDONLY, 0	1897	my $f = new_from_file cf::object::thawer $path
1245	or return;	1898	or return;
1246		1899
1247	my $map = cf::map::new	1900	$self->_load_header ($f)
1248	or return;	1901	or return;
1249		1902
1250	# for better error messages only, will be overwritten	1903	local $MAP_LOADING{$self->{path}} = $self;
1251	$map->path ($path);	1904	$f->resolve_delayed_derefs;
1252		1905
1253	$map->load_header ($path)	1906	$self->{load_path} = $path;
		1907
		1908	1
		1909	}
		1910
		1911	sub load_header_orig {
		1912	my ($self) = @_;
		1913
		1914	$self->load_header_from ($self->load_path)
		1915	}
		1916
		1917	sub load_header_temp {
		1918	my ($self) = @_;
		1919
		1920	$self->load_header_from ($self->save_path)
		1921	}
		1922
		1923	sub prepare_temp {
		1924	my ($self) = @_;
		1925
		1926	$self->last_access ((delete $self->{last_access})
		1927	|| $cf::RUNTIME); #d#
		1928	# safety
		1929	$self->{instantiate_time} = $cf::RUNTIME
		1930	if $self->{instantiate_time} > $cf::RUNTIME;
		1931	}
		1932
		1933	sub prepare_orig {
		1934	my ($self) = @_;
		1935
		1936	$self->{load_original} = 1;
		1937	$self->{instantiate_time} = $cf::RUNTIME;
		1938	$self->last_access ($cf::RUNTIME);
		1939	$self->instantiate;
		1940	}
		1941
		1942	sub load_header {
		1943	my ($self) = @_;
		1944
		1945	if ($self->load_header_temp) {
		1946	$self->prepare_temp;
		1947	} else {
		1948	$self->load_header_orig
1254	or return;	1949	or return;
		1950	$self->prepare_orig;
		1951	}
1255		1952
1256	$map->{load_path} = $path;	1953	$self->{deny_reset} = 1
		1954	if $self->no_reset;
1257		1955
1258	$map	1956	$self->default_region (cf::region::find_by_path $self->{path})
		1957	unless $self->default_region;
		1958
		1959	1
1259	}	1960	}
1260		1961
1261	sub find;	1962	sub find;
1262	sub find {	1963	sub find {
1263	my ($path, $origin) = @_;	1964	my ($path, $origin) = @_;
1264		1965
1265	#warn "find<$path,$origin>\n";#d#
1266
1267	$path = new cf::path $path, $origin && $origin->path;	1966	$path = normalise $path, $origin && $origin->path;
1268	my $key = $path->as_string;
1269		1967
1270	cf::lock_wait "map_find:$key";	1968	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1271
1272	$cf::MAP{$key} || do {
1273	my $guard = cf::lock_acquire "map_find:$key";	1969	my $guard2 = cf::lock_acquire "map_find:$path";
1274		1970
1275	# do it the slow way	1971	$cf::MAP{$path} || do {
1276	my $map = try_load_header $path->save_path;	1972	my $map = new_from_path cf::map $path
1277
1278	Coro::cede;
1279
1280	if ($map) {
1281	$map->last_access ((delete $map->{last_access})
1282	|| $cf::RUNTIME); #d#
1283	# safety
1284	$map->{instantiate_time} = $cf::RUNTIME
1285	if $map->{instantiate_time} > $cf::RUNTIME;
1286	} else {
1287	if (my $rmp = $path->random_map_params) {
1288	$map = generate_random_map $key, $rmp;
1289	} else {
1290	$map = try_load_header $path->load_path;
1291	}
1292
1293	$map or return;	1973	or return;
1294		1974
1295	$map->{load_original} = 1;
1296	$map->{instantiate_time} = $cf::RUNTIME;
1297	$map->last_access ($cf::RUNTIME);
1298	$map->instantiate;
1299
1300	# per-player maps become, after loading, normal maps
1301	$map->per_player (0) if $path->{user_rel};
1302	}
1303
1304	$map->path ($key);
1305	$map->{path} = $path;
1306	$map->{last_save} = $cf::RUNTIME;	1975	$map->{last_save} = $cf::RUNTIME;
1307		1976
1308	Coro::cede;	1977	$map->load_header
		1978	or return;
1309		1979
1310	if ($map->should_reset) {	1980	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1981	# doing this can freeze the server in a sync job, obviously
		1982	#$cf::WAIT_FOR_TICK->wait;
		1983	undef $guard2;
		1984	undef $guard1;
1311	$map->reset;	1985	$map->reset;
1312	undef $guard;
1313	$map = find $path	1986	return find $path;
1314	or return;
1315	}	1987	}
1316		1988
1317	$cf::MAP{$key} = $map	1989	$cf::MAP{$path} = $map
1318	}	1990	}
1319	}	1991	}
		1992
		1993	sub pre_load { }
		1994	sub post_load { }
1320		1995
1321	sub load {	1996	sub load {
1322	my ($self) = @_;	1997	my ($self) = @_;
1323		1998
		1999	local $self->{deny_reset} = 1; # loading can take a long time
		2000
1324	my $path = $self->{path};	2001	my $path = $self->{path};
		2002
		2003	{
1325	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2004	my $guard = cf::lock_acquire "map_data:$path";
1326		2005
		2006	return unless $self->valid;
1327	return if $self->in_memory != cf::MAP_SWAPPED;	2007	return unless $self->in_memory == cf::MAP_SWAPPED;
1328		2008
1329	$self->in_memory (cf::MAP_LOADING);	2009	$self->in_memory (cf::MAP_LOADING);
1330		2010
1331	$self->alloc;	2011	$self->alloc;
1332	$self->load_objects ($self->{load_path}, 1)	2012
		2013	$self->pre_load;
		2014	cf::cede_to_tick;
		2015
		2016	my $f = new_from_file cf::object::thawer $self->{load_path};
		2017	$f->skip_block;
		2018	$self->_load_objects ($f)
1333	or return;	2019	or return;
1334		2020
1335	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2021	$self->post_load_original
1336	if delete $self->{load_original};	2022	if delete $self->{load_original};
1337		2023
1338	if (my $uniq = $path->uniq_path) {	2024	if (my $uniq = $self->uniq_path) {
1339	utf8::encode $uniq;	2025	utf8::encode $uniq;
1340	if (aio_open $uniq, O_RDONLY, 0) {	2026	unless (aio_stat $uniq) {
		2027	if (my $f = new_from_file cf::object::thawer $uniq) {
1341	$self->clear_unique_items;	2028	$self->clear_unique_items;
1342	$self->load_objects ($uniq, 0);	2029	$self->_load_objects ($f);
		2030	$f->resolve_delayed_derefs;
		2031	}
1343	}	2032	}
1344	}	2033	}
1345		2034
1346	Coro::cede;	2035	$f->resolve_delayed_derefs;
1347		2036
		2037	cf::cede_to_tick;
1348	# now do the right thing for maps	2038	# now do the right thing for maps
1349	$self->link_multipart_objects;	2039	$self->link_multipart_objects;
1350
1351	if ($self->{path}->is_style_map) {
1352	$self->{deny_save} = 1;
1353	$self->{deny_reset} = 1;
1354	} else {
1355	$self->fix_auto_apply;
1356	$self->decay_objects;
1357	$self->update_buttons;
1358	$self->set_darkness_map;
1359	$self->difficulty ($self->estimate_difficulty)	2040	$self->difficulty ($self->estimate_difficulty)
1360	unless $self->difficulty;	2041	unless $self->difficulty;
		2042	cf::cede_to_tick;
		2043
		2044	unless ($self->{deny_activate}) {
		2045	$self->decay_objects;
		2046	$self->fix_auto_apply;
		2047	$self->update_buttons;
		2048	cf::cede_to_tick;
1361	$self->activate;	2049	$self->activate;
1362	}	2050	}
1363		2051
1364	Coro::cede;	2052	$self->{last_save} = $cf::RUNTIME;
		2053	$self->last_access ($cf::RUNTIME);
1365		2054
1366	$self->in_memory (cf::MAP_IN_MEMORY);	2055	$self->in_memory (cf::MAP_ACTIVE);
		2056	}
		2057
		2058	$self->post_load;
		2059	}
		2060
		2061	sub customise_for {
		2062	my ($self, $ob) = @_;
		2063
		2064	return find "~" . $ob->name . "/" . $self->{path}
		2065	if $self->per_player;
		2066
		2067	# return find "?party/" . $ob->name . "/" . $self->{path}
		2068	# if $self->per_party;
		2069
		2070	$self
		2071	}
		2072
		2073	# find and load all maps in the 3x3 area around a map
		2074	sub load_neighbours {
		2075	my ($map) = @_;
		2076
		2077	my @neigh; # diagonal neighbours
		2078
		2079	for (0 .. 3) {
		2080	my $neigh = $map->tile_path ($_)
		2081	or next;
		2082	$neigh = find $neigh, $map
		2083	or next;
		2084	$neigh->load;
		2085
		2086	push @neigh,
		2087	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		2088	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		2089	}
		2090
		2091	for (grep defined $_->[0], @neigh) {
		2092	my ($path, $origin) = @$_;
		2093	my $neigh = find $path, $origin
		2094	or next;
		2095	$neigh->load;
		2096	}
1367	}	2097	}
1368		2098
1369	sub find_sync {	2099	sub find_sync {
1370	my ($path, $origin) = @_;	2100	my ($path, $origin) = @_;
1371		2101
1372	cf::sync_job { cf::map::find $path, $origin }	2102	cf::sync_job { find $path, $origin }
1373	}	2103	}
1374		2104
1375	sub do_load_sync {	2105	sub do_load_sync {
1376	my ($map) = @_;	2106	my ($map) = @_;
1377		2107
		2108	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2109	if $Coro::current == $Coro::main;
		2110
1378	cf::sync_job { $map->load };	2111	cf::sync_job { $map->load };
		2112	}
		2113
		2114	our %MAP_PREFETCH;
		2115	our $MAP_PREFETCHER = undef;
		2116
		2117	sub find_async {
		2118	my ($path, $origin, $load) = @_;
		2119
		2120	$path = normalise $path, $origin && $origin->{path};
		2121
		2122	if (my $map = $cf::MAP{$path}) {
		2123	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2124	}
		2125
		2126	$MAP_PREFETCH{$path} |= $load;
		2127
		2128	$MAP_PREFETCHER ||= cf::async {
		2129	$Coro::current->{desc} = "map prefetcher";
		2130
		2131	while (%MAP_PREFETCH) {
		2132	while (my ($k, $v) = each %MAP_PREFETCH) {
		2133	if (my $map = find $k) {
		2134	$map->load if $v;
		2135	}
		2136
		2137	delete $MAP_PREFETCH{$k};
		2138	}
		2139	}
		2140	undef $MAP_PREFETCHER;
		2141	};
		2142	$MAP_PREFETCHER->prio (6);
		2143
		2144	()
1379	}	2145	}
1380		2146
1381	sub save {	2147	sub save {
1382	my ($self) = @_;	2148	my ($self) = @_;
1383		2149
1384	my $lock = cf::lock_acquire "map_data:" . $self->path;	2150	my $lock = cf::lock_acquire "map_data:$self->{path}";
1385		2151
1386	$self->{last_save} = $cf::RUNTIME;	2152	$self->{last_save} = $cf::RUNTIME;
1387		2153
1388	return unless $self->dirty;	2154	return unless $self->dirty;
1389		2155
1390	my $save = $self->{path}->save_path; utf8::encode $save;	2156	my $save = $self->save_path; utf8::encode $save;
1391	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2157	my $uniq = $self->uniq_path; utf8::encode $uniq;
1392		2158
1393	$self->{load_path} = $save;	2159	$self->{load_path} = $save;
1394		2160
1395	return if $self->{deny_save};	2161	return if $self->{deny_save};
1396		2162
1397	local $self->{last_access} = $self->last_access;#d#	2163	local $self->{last_access} = $self->last_access;#d#
1398		2164
1399	cf::async {	2165	cf::async {
		2166	$Coro::current->{desc} = "map player save";
1400	$_->contr->save for $self->players;	2167	$_->contr->save for $self->players;
1401	};	2168	};
1402		2169
		2170	cf::get_slot 0.02;
		2171
1403	if ($uniq) {	2172	if ($uniq) {
1404	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2173	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1405	$self->save_objects ($uniq, cf::IO_UNIQUES);	2174	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1406	} else {	2175	} else {
1407	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2176	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1408	}	2177	}
1409	}	2178	}
1410		2179
1411	sub swap_out {	2180	sub swap_out {
1412	my ($self) = @_;	2181	my ($self) = @_;
1413		2182
1414	# save first because save cedes	2183	# save first because save cedes
1415	$self->save;	2184	$self->save;
1416		2185
1417	my $lock = cf::lock_acquire "map_data:" . $self->path;	2186	my $lock = cf::lock_acquire "map_data:$self->{path}";
1418		2187
1419	return if $self->players;	2188	return if $self->players;
1420	return if $self->in_memory != cf::MAP_IN_MEMORY;	2189	return if $self->in_memory != cf::MAP_ACTIVE;
1421	return if $self->{deny_save};	2190	return if $self->{deny_save};
1422		2191
		2192	$self->in_memory (cf::MAP_SWAPPED);
		2193
		2194	$self->deactivate;
		2195	$_->clear_links_to ($self) for values %cf::MAP;
1423	$self->clear;	2196	$self->clear;
1424	$self->in_memory (cf::MAP_SWAPPED);
1425	}	2197	}
1426		2198
1427	sub reset_at {	2199	sub reset_at {
1428	my ($self) = @_;	2200	my ($self) = @_;
1429		2201
1430	# TODO: safety, remove and allow resettable per-player maps	2202	# TODO: safety, remove and allow resettable per-player maps
1431	return 1e99 if $self->{path}{user_rel};
1432	return 1e99 if $self->{deny_reset};	2203	return 1e99 if $self->{deny_reset};
1433		2204
1434	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2205	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1435	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2206	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1436		2207
…		…
1441	my ($self) = @_;	2212	my ($self) = @_;
1442		2213
1443	$self->reset_at <= $cf::RUNTIME	2214	$self->reset_at <= $cf::RUNTIME
1444	}	2215	}
1445		2216
1446	sub unlink_save {
1447	my ($self) = @_;
1448
1449	utf8::encode (my $save = $self->{path}->save_path);
1450	aioreq_pri 3; IO::AIO::aio_unlink $save;
1451	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1452	}
1453
1454	sub rename {
1455	my ($self, $new_path) = @_;
1456
1457	$self->unlink_save;
1458
1459	delete $cf::MAP{$self->path};
1460	$self->{path} = new cf::path $new_path;
1461	$self->path ($self->{path}->as_string);
1462	$cf::MAP{$self->path} = $self;
1463
1464	$self->save;
1465	}
1466
1467	sub reset {	2217	sub reset {
1468	my ($self) = @_;	2218	my ($self) = @_;
1469		2219
1470	my $lock = cf::lock_acquire "map_data:" . $self->path;	2220	my $lock = cf::lock_acquire "map_data:$self->{path}";
1471		2221
1472	return if $self->players;	2222	return if $self->players;
1473	return if $self->{path}{user_rel};#d#
1474		2223
1475	warn "resetting map ", $self->path;#d#	2224	warn "resetting map ", $self->path;
		2225
		2226	$self->in_memory (cf::MAP_SWAPPED);
		2227
		2228	# need to save uniques path
		2229	unless ($self->{deny_save}) {
		2230	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2231
		2232	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2233	if $uniq;
		2234	}
1476		2235
1477	delete $cf::MAP{$self->path};	2236	delete $cf::MAP{$self->path};
1478		2237
		2238	$self->deactivate;
1479	$_->clear_links_to ($self) for values %cf::MAP;	2239	$_->clear_links_to ($self) for values %cf::MAP;
		2240	$self->clear;
1480		2241
1481	$self->unlink_save;	2242	$self->unlink_save;
1482	$self->destroy;	2243	$self->destroy;
1483	}	2244	}
1484		2245
1485	my $nuke_counter = "aaaa";	2246	my $nuke_counter = "aaaa";
1486		2247
1487	sub nuke {	2248	sub nuke {
1488	my ($self) = @_;	2249	my ($self) = @_;
1489		2250
		2251	{
		2252	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2253
		2254	delete $cf::MAP{$self->path};
		2255
		2256	$self->unlink_save;
		2257
		2258	bless $self, "cf::map";
		2259	delete $self->{deny_reset};
1490	$self->{deny_save} = 1;	2260	$self->{deny_save} = 1;
1491	$self->reset_timeout (1);	2261	$self->reset_timeout (1);
1492	$self->rename ("{nuke}/" . ($nuke_counter++));	2262	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2263
		2264	$cf::MAP{$self->path} = $self;
		2265	}
		2266
1493	$self->reset; # polite request, might not happen	2267	$self->reset; # polite request, might not happen
1494	}	2268	}
1495		2269
1496	sub customise_for {	2270	=item $maps = cf::map::tmp_maps
1497	my ($map, $ob) = @_;
1498		2271
1499	if ($map->per_player) {	2272	Returns an arrayref with all map paths of currently instantiated and saved
1500	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2273	maps. May block.
		2274
		2275	=cut
		2276
		2277	sub tmp_maps() {
1501	}	2278	[
1502		2279	map {
1503	$map	2280	utf8::decode $_;
		2281	/\.map$/
		2282	? normalise $_
		2283	: ()
		2284	} @{ aio_readdir $TMPDIR or [] }
		2285	]
1504	}	2286	}
1505		2287
1506	sub emergency_save {	2288	=item $maps = cf::map::random_maps
1507	my $freeze_guard = cf::freeze_mainloop;
1508		2289
1509	warn "enter emergency perl save\n";	2290	Returns an arrayref with all map paths of currently instantiated and saved
		2291	random maps. May block.
1510		2292
1511	cf::sync_job {	2293	=cut
1512	warn "begin emergency player save\n";
1513	$_->save for values %cf::PLAYER;
1514	warn "end emergency player save\n";
1515		2294
1516	warn "begin emergency map save\n";	2295	sub random_maps() {
1517	$_->save for values %cf::MAP;	2296	[
1518	warn "end emergency map save\n";	2297	map {
		2298	utf8::decode $_;
		2299	/\.map$/
		2300	? normalise "?random/$_"
		2301	: ()
		2302	} @{ aio_readdir $RANDOMDIR or [] }
		2303	]
		2304	}
		2305
		2306	=item cf::map::unique_maps
		2307
		2308	Returns an arrayref of paths of all shared maps that have
		2309	instantiated unique items. May block.
		2310
		2311	=cut
		2312
		2313	sub unique_maps() {
		2314	[
		2315	map {
		2316	utf8::decode $_;
		2317	s/\.map$//; # TODO future compatibility hack
		2318	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2319	? ()
		2320	: normalise $_
		2321	} @{ aio_readdir $UNIQUEDIR or [] }
		2322	]
		2323	}
		2324
		2325	=back
		2326
		2327	=head3 cf::object
		2328
		2329	=cut
		2330
		2331	package cf::object;
		2332
		2333	=over 4
		2334
		2335	=item $ob->inv_recursive
		2336
		2337	Returns the inventory of the object I<and> their inventories, recursively,
		2338	but I<not> the object itself.
		2339
		2340	=cut
		2341
		2342	sub inv_recursive_;
		2343	sub inv_recursive_ {
		2344	map { $_, inv_recursive_ $_->inv } @_
		2345	}
		2346
		2347	sub inv_recursive {
		2348	inv_recursive_ inv $_[0]
		2349	}
		2350
		2351	=item $ref = $ob->ref
		2352
		2353	Creates and returns a persistent reference to an object that can be stored as a string.
		2354
		2355	=item $ob = cf::object::deref ($refstring)
		2356
		2357	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2358	even if the object actually exists. May block.
		2359
		2360	=cut
		2361
		2362	sub deref {
		2363	my ($ref) = @_;
		2364
		2365	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2366	my ($uuid, $name) = ($1, $2);
		2367	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2368	or return;
		2369	$pl->ob->uuid eq $uuid
		2370	or return;
		2371
		2372	$pl->ob
		2373	} else {
		2374	warn "$ref: cannot resolve object reference\n";
		2375	undef
1519	};	2376	}
1520
1521	warn "leave emergency perl save\n";
1522	}	2377	}
1523		2378
1524	package cf;	2379	package cf;
1525		2380
1526	=back	2381	=back
1527
1528		2382
1529	=head3 cf::object::player	2383	=head3 cf::object::player
1530		2384
1531	=over 4	2385	=over 4
1532		2386
…		…
1535	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2389	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1536	can be C<undef>. Does the right thing when the player is currently in a	2390	can be C<undef>. Does the right thing when the player is currently in a
1537	dialogue with the given NPC character.	2391	dialogue with the given NPC character.
1538		2392
1539	=cut	2393	=cut
		2394
		2395	our $SAY_CHANNEL = {
		2396	id => "say",
		2397	title => "Map",
		2398	reply => "say ",
		2399	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2400	};
		2401
		2402	our $CHAT_CHANNEL = {
		2403	id => "chat",
		2404	title => "Chat",
		2405	reply => "chat ",
		2406	tooltip => "Player chat and shouts, global to the server.",
		2407	};
1540		2408
1541	# rough implementation of a future "reply" method that works	2409	# rough implementation of a future "reply" method that works
1542	# with dialog boxes.	2410	# with dialog boxes.
1543	#TODO: the first argument must go, split into a $npc->reply_to ( method	2411	#TODO: the first argument must go, split into a $npc->reply_to ( method
1544	sub cf::object::player::reply($$$;$) {	2412	sub cf::object::player::reply($$$;$) {
…		…
1546		2414
1547	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2415	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1548		2416
1549	if ($self->{record_replies}) {	2417	if ($self->{record_replies}) {
1550	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2418	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2419
1551	} else {	2420	} else {
		2421	my $pl = $self->contr;
		2422
		2423	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2424	my $dialog = $pl->{npc_dialog};
		2425	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2426
		2427	} else {
1552	$msg = $npc->name . " says: $msg" if $npc;	2428	$msg = $npc->name . " says: $msg" if $npc;
1553	$self->message ($msg, $flags);	2429	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2430	}
1554	}	2431	}
		2432	}
		2433
		2434	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2435
		2436	=cut
		2437
		2438	sub cf::object::send_msg {
		2439	my $pl = shift->contr
		2440	or return;
		2441	$pl->send_msg (@_);
1555	}	2442	}
1556		2443
1557	=item $player_object->may ("access")	2444	=item $player_object->may ("access")
1558		2445
1559	Returns wether the given player is authorized to access resource "access"	2446	Returns wether the given player is authorized to access resource "access"
…		…
1572		2459
1573	=item $player_object->enter_link	2460	=item $player_object->enter_link
1574		2461
1575	Freezes the player and moves him/her to a special map (C<{link}>).	2462	Freezes the player and moves him/her to a special map (C<{link}>).
1576		2463
1577	The player should be reaosnably safe there for short amounts of time. You	2464	The player should be reasonably safe there for short amounts of time (e.g.
1578	I<MUST> call C<leave_link> as soon as possible, though.	2465	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2466	though, as the palyer cannot control the character while it is on the link
		2467	map.
		2468
		2469	Will never block.
1579		2470
1580	=item $player_object->leave_link ($map, $x, $y)	2471	=item $player_object->leave_link ($map, $x, $y)
1581		2472
1582	Moves the player out of the specila link map onto the given map. If the	2473	Moves the player out of the special C<{link}> map onto the specified
1583	map is not valid (or omitted), the player will be moved back to the	2474	map. If the map is not valid (or omitted), the player will be moved back
1584	location he/she was before the call to C<enter_link>, or, if that fails,	2475	to the location he/she was before the call to C<enter_link>, or, if that
1585	to the emergency map position.	2476	fails, to the emergency map position.
1586		2477
1587	Might block.	2478	Might block.
1588		2479
1589	=cut	2480	=cut
		2481
		2482	sub link_map {
		2483	unless ($LINK_MAP) {
		2484	$LINK_MAP = cf::map::find "{link}"
		2485	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2486	$LINK_MAP->load;
		2487	}
		2488
		2489	$LINK_MAP
		2490	}
1590		2491
1591	sub cf::object::player::enter_link {	2492	sub cf::object::player::enter_link {
1592	my ($self) = @_;	2493	my ($self) = @_;
1593		2494
1594	$self->deactivate_recursive;	2495	$self->deactivate_recursive;
1595		2496
1596	return if $self->map == $LINK_MAP;	2497	return if UNIVERSAL::isa $self->map, "ext::map_link";
1597		2498
1598	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2499	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1599	if $self->map;	2500	if $self->map && $self->map->{path} ne "{link}";
1600		2501
1601	$self->enter_map ($LINK_MAP, 20, 20);	2502	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1602	}	2503	}
1603		2504
1604	sub cf::object::player::leave_link {	2505	sub cf::object::player::leave_link {
1605	my ($self, $map, $x, $y) = @_;	2506	my ($self, $map, $x, $y) = @_;
		2507
		2508	return unless $self->contr->active;
1606		2509
1607	my $link_pos = delete $self->{_link_pos};	2510	my $link_pos = delete $self->{_link_pos};
1608		2511
1609	unless ($map) {	2512	unless ($map) {
1610	# restore original map position	2513	# restore original map position
…		…
1624	# use -1 or undef as default coordinates, not 0, 0	2527	# use -1 or undef as default coordinates, not 0, 0
1625	($x, $y) = ($map->enter_x, $map->enter_y)	2528	($x, $y) = ($map->enter_x, $map->enter_y)
1626	if $x <=0 && $y <= 0;	2529	if $x <=0 && $y <= 0;
1627		2530
1628	$map->load;	2531	$map->load;
		2532	$map->load_neighbours;
1629		2533
1630	return unless $self->contr->active;	2534	return unless $self->contr->active;
		2535	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1631	$self->activate_recursive;	2536	$self->activate_recursive;
		2537
		2538	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1632	$self->enter_map ($map, $x, $y);	2539	$self->enter_map ($map, $x, $y);
1633	}	2540	}
1634		2541
1635	cf::player->attach (	2542	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1636	on_logout => sub {
1637	my ($pl) = @_;
1638		2543
1639	# abort map switching before logout	2544	Moves the player to the given map-path and coordinates by first freezing
1640	if ($pl->ob->{_link_pos}) {	2545	her, loading and preparing them map, calling the provided $check callback
1641	cf::sync_job {	2546	that has to return the map if sucecssful, and then unfreezes the player on
1642	$pl->ob->leave_link	2547	the new (success) or old (failed) map position. In either case, $done will
1643	};	2548	be called at the end of this process.
1644	}
1645	},
1646	on_login => sub {
1647	my ($pl) = @_;
1648		2549
1649	# try to abort aborted map switching on player login :)	2550	Note that $check will be called with a potentially non-loaded map, so if
1650	# should happen only on crashes	2551	it needs a loaded map it has to call C<< ->load >>.
1651	if ($pl->ob->{_link_pos}) {
1652	$pl->ob->enter_link;
1653	(async {
1654	# we need this sleep as the login has a concurrent enter_exit running
1655	# and this sleep increases chances of the player not ending up in scorn
1656	$pl->ob->reply (undef,
1657	"There was an internal problem at your last logout, "
1658	. "the server will try to bring you to your intended destination in a second.",
1659	cf::NDI_RED);
1660	Coro::Timer::sleep 1;
1661	$pl->ob->leave_link;
1662	})->prio (2);
1663	}
1664	},
1665	);
1666		2552
1667	=item $player_object->goto ($path, $x, $y)
1668
1669	=cut	2553	=cut
		2554
		2555	our $GOTOGEN;
1670		2556
1671	sub cf::object::player::goto {	2557	sub cf::object::player::goto {
1672	my ($self, $path, $x, $y) = @_;	2558	my ($self, $path, $x, $y, $check, $done) = @_;
		2559
		2560	# do generation counting so two concurrent goto's will be executed in-order
		2561	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1673		2562
1674	$self->enter_link;	2563	$self->enter_link;
1675		2564
1676	(async {	2565	(async {
1677	$path = new cf::path $path;	2566	$Coro::current->{desc} = "player::goto $path $x $y";
1678		2567
1679	my $map = cf::map::find $path->as_string;	2568	# *tag paths override both path and x|y
		2569	if ($path =~ /^\*(.*)$/) {
		2570	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2571	my $ob = $obs[rand @obs];
		2572
		2573	# see if we actually can go there
		2574	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2575	$ob = $obs[rand @obs];
		2576	} else {
		2577	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2578	}
		2579	# else put us there anyways for now #d#
		2580
		2581	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2582	} else {
		2583	($path, $x, $y) = (undef, undef, undef);
		2584	}
		2585	}
		2586
		2587	my $map = eval {
		2588	my $map = defined $path ? cf::map::find $path : undef;
		2589
		2590	if ($map) {
1680	$map = $map->customise_for ($self) if $map;	2591	$map = $map->customise_for ($self);
1681		2592	$map = $check->($map) if $check && $map;
1682	# warn "entering ", $map->path, " at ($x, $y)\n"	2593	} else {
1683	# if $map;
1684
1685	$map or $map->cluck ("oy");#d#
1686	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2594	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2595	}
1687		2596
		2597	$map
		2598	};
		2599
		2600	if ($@) {
		2601	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2602	LOG llevError | logBacktrace, Carp::longmess $@;
		2603	}
		2604
		2605	if ($gen == $self->{_goto_generation}) {
		2606	delete $self->{_goto_generation};
1688	$self->leave_link ($map, $x, $y);	2607	$self->leave_link ($map, $x, $y);
		2608	}
		2609
		2610	$done->() if $done;
1689	})->prio (1);	2611	})->prio (1);
1690	}	2612	}
1691		2613
1692	=item $player_object->enter_exit ($exit_object)	2614	=item $player_object->enter_exit ($exit_object)
1693		2615
…		…
1695		2617
1696	sub parse_random_map_params {	2618	sub parse_random_map_params {
1697	my ($spec) = @_;	2619	my ($spec) = @_;
1698		2620
1699	my $rmp = { # defaults	2621	my $rmp = { # defaults
1700	xsize => 10,	2622	xsize => (cf::rndm 15, 40),
1701	ysize => 10,	2623	ysize => (cf::rndm 15, 40),
		2624	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2625	#layout => string,
1702	};	2626	};
1703		2627
1704	for (split /\n/, $spec) {	2628	for (split /\n/, $spec) {
1705	my ($k, $v) = split /\s+/, $_, 2;	2629	my ($k, $v) = split /\s+/, $_, 2;
1706		2630
…		…
1718	# that depends on the exit object	2642	# that depends on the exit object
1719		2643
1720	my $rmp = parse_random_map_params $exit->msg;	2644	my $rmp = parse_random_map_params $exit->msg;
1721		2645
1722	if ($exit->map) {	2646	if ($exit->map) {
1723	$rmp->{region} = $exit->map->region_name;	2647	$rmp->{region} = $exit->region->name;
1724	$rmp->{origin_map} = $exit->map->path;	2648	$rmp->{origin_map} = $exit->map->path;
1725	$rmp->{origin_x} = $exit->x;	2649	$rmp->{origin_x} = $exit->x;
1726	$rmp->{origin_y} = $exit->y;	2650	$rmp->{origin_y} = $exit->y;
		2651
		2652	$exit->map->touch;
1727	}	2653	}
1728		2654
1729	$rmp->{random_seed} ||= $exit->random_seed;	2655	$rmp->{random_seed} ||= $exit->random_seed;
1730		2656
1731	my $data = cf::to_json $rmp;	2657	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1732	my $md5 = Digest::MD5::md5_hex $data;	2658	my $md5 = Digest::MD5::md5_hex $data;
		2659	my $meta = "$RANDOMDIR/$md5.meta";
1733		2660
1734	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2661	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1735	aio_write $fh, 0, (length $data), $data, 0;	2662	aio_write $fh, 0, (length $data), $data, 0;
		2663	undef $fh;
		2664	aio_rename "$meta~", $meta;
1736		2665
		2666	my $slaying = "?random/$md5";
		2667
		2668	if ($exit->valid) {
1737	$exit->slaying ("?random/$md5");	2669	$exit->slaying ("?random/$md5");
1738	$exit->msg (undef);	2670	$exit->msg (undef);
		2671	}
1739	}	2672	}
1740	}	2673	}
1741		2674
1742	sub cf::object::player::enter_exit {	2675	sub cf::object::player::enter_exit {
1743	my ($self, $exit) = @_;	2676	my ($self, $exit) = @_;
…		…
1745	return unless $self->type == cf::PLAYER;	2678	return unless $self->type == cf::PLAYER;
1746		2679
1747	$self->enter_link;	2680	$self->enter_link;
1748		2681
1749	(async {	2682	(async {
1750	$self->deactivate_recursive; # just to be sure	2683	$Coro::current->{desc} = "enter_exit";
		2684
1751	unless (eval {	2685	unless (eval {
		2686	$self->deactivate_recursive; # just to be sure
		2687
		2688	# random map handling
		2689	{
		2690	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2691
1752	prepare_random_map $exit	2692	prepare_random_map $exit
1753	if $exit->slaying eq "/!";	2693	if $exit->slaying eq "/!";
		2694	}
1754		2695
1755	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2696	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1756	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2697	my $x = $exit->stats->hp;
		2698	my $y = $exit->stats->sp;
1757		2699
		2700	$self->goto ($map, $x, $y);
		2701
		2702	# if exit is damned, update players death & WoR home-position
		2703	$self->contr->savebed ($map, $x, $y)
		2704	if $exit->flag (cf::FLAG_DAMNED);
		2705
1758	1;	2706	1
1759	}) {	2707	}) {
1760	$self->message ("Something went wrong deep within the crossfire server. "	2708	$self->message ("Something went wrong deep within the deliantra server. "
1761	. "I'll try to bring you back to the map you were before. "	2709	. "I'll try to bring you back to the map you were before. "
1762	. "Please report this to the dungeon master",	2710	. "Please report this to the dungeon master!",
1763	cf::NDI_UNIQUE | cf::NDI_RED);	2711	cf::NDI_UNIQUE | cf::NDI_RED);
1764		2712
1765	warn "ERROR in enter_exit: $@";	2713	warn "ERROR in enter_exit: $@";
1766	$self->leave_link;	2714	$self->leave_link;
1767	}	2715	}
1768	})->prio (1);	2716	})->prio (1);
…		…
1781		2729
1782	sub cf::client::send_drawinfo {	2730	sub cf::client::send_drawinfo {
1783	my ($self, $text, $flags) = @_;	2731	my ($self, $text, $flags) = @_;
1784		2732
1785	utf8::encode $text;	2733	utf8::encode $text;
1786	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2734	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1787	}	2735	}
1788		2736
		2737	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2738
		2739	Send a drawinfo or msg packet to the client, formatting the msg for the
		2740	client if neccessary. C<$type> should be a string identifying the type of
		2741	the message, with C<log> being the default. If C<$color> is negative, suppress
		2742	the message unless the client supports the msg packet.
		2743
		2744	=cut
		2745
		2746	# non-persistent channels (usually the info channel)
		2747	our %CHANNEL = (
		2748	"c/identify" => {
		2749	id => "infobox",
		2750	title => "Identify",
		2751	reply => undef,
		2752	tooltip => "Items recently identified",
		2753	},
		2754	"c/examine" => {
		2755	id => "infobox",
		2756	title => "Examine",
		2757	reply => undef,
		2758	tooltip => "Signs and other items you examined",
		2759	},
		2760	"c/book" => {
		2761	id => "infobox",
		2762	title => "Book",
		2763	reply => undef,
		2764	tooltip => "The contents of a note or book",
		2765	},
		2766	"c/lookat" => {
		2767	id => "infobox",
		2768	title => "Look",
		2769	reply => undef,
		2770	tooltip => "What you saw there",
		2771	},
		2772	"c/who" => {
		2773	id => "infobox",
		2774	title => "Players",
		2775	reply => undef,
		2776	tooltip => "Shows players who are currently online",
		2777	},
		2778	"c/body" => {
		2779	id => "infobox",
		2780	title => "Body Parts",
		2781	reply => undef,
		2782	tooltip => "Shows which body parts you posess and are available",
		2783	},
		2784	"c/statistics" => {
		2785	id => "infobox",
		2786	title => "Statistics",
		2787	reply => undef,
		2788	tooltip => "Shows your primary statistics",
		2789	},
		2790	"c/skills" => {
		2791	id => "infobox",
		2792	title => "Skills",
		2793	reply => undef,
		2794	tooltip => "Shows your experience per skill and item power",
		2795	},
		2796	"c/shopitems" => {
		2797	id => "infobox",
		2798	title => "Shop Items",
		2799	reply => undef,
		2800	tooltip => "Shows the items currently for sale in this shop",
		2801	},
		2802	"c/resistances" => {
		2803	id => "infobox",
		2804	title => "Resistances",
		2805	reply => undef,
		2806	tooltip => "Shows your resistances",
		2807	},
		2808	"c/pets" => {
		2809	id => "infobox",
		2810	title => "Pets",
		2811	reply => undef,
		2812	tooltip => "Shows information abotu your pets/a specific pet",
		2813	},
		2814	"c/perceiveself" => {
		2815	id => "infobox",
		2816	title => "Perceive Self",
		2817	reply => undef,
		2818	tooltip => "You gained detailed knowledge about yourself",
		2819	},
		2820	"c/uptime" => {
		2821	id => "infobox",
		2822	title => "Uptime",
		2823	reply => undef,
		2824	tooltip => "How long the server has been running since last restart",
		2825	},
		2826	"c/mapinfo" => {
		2827	id => "infobox",
		2828	title => "Map Info",
		2829	reply => undef,
		2830	tooltip => "Information related to the maps",
		2831	},
		2832	"c/party" => {
		2833	id => "party",
		2834	title => "Party",
		2835	reply => "gsay ",
		2836	tooltip => "Messages and chat related to your party",
		2837	},
		2838	"c/death" => {
		2839	id => "death",
		2840	title => "Death",
		2841	reply => undef,
		2842	tooltip => "Reason for and more info about your most recent death",
		2843	},
		2844	"c/say" => $SAY_CHANNEL,
		2845	"c/chat" => $CHAT_CHANNEL,
		2846	);
		2847
		2848	sub cf::client::send_msg {
		2849	my ($self, $channel, $msg, $color, @extra) = @_;
		2850
		2851	$msg = $self->pl->expand_cfpod ($msg)
		2852	unless $color & cf::NDI_VERBATIM;
		2853
		2854	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2855
		2856	# check predefined channels, for the benefit of C
		2857	if ($CHANNEL{$channel}) {
		2858	$channel = $CHANNEL{$channel};
		2859
		2860	$self->ext_msg (channel_info => $channel);
		2861	$channel = $channel->{id};
		2862
		2863	} elsif (ref $channel) {
		2864	# send meta info to client, if not yet sent
		2865	unless (exists $self->{channel}{$channel->{id}}) {
		2866	$self->{channel}{$channel->{id}} = $channel;
		2867	$self->ext_msg (channel_info => $channel);
		2868	}
		2869
		2870	$channel = $channel->{id};
		2871	}
		2872
		2873	return unless @extra || length $msg;
		2874
		2875	# default colour, mask it out
		2876	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2877	if $color & cf::NDI_DEF;
		2878
		2879	my $pkt = "msg "
		2880	. $self->{json_coder}->encode (
		2881	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2882	);
		2883
		2884	# try lzf for large packets
		2885	$pkt = "lzf " . Compress::LZF::compress $pkt
		2886	if 1024 <= length $pkt and $self->{can_lzf};
		2887
		2888	# split very large packets
		2889	if (8192 < length $pkt and $self->{can_lzf}) {
		2890	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2891	$pkt = "frag";
		2892	}
		2893
		2894	$self->send_packet ($pkt);
		2895	}
		2896
		2897	=item $client->ext_msg ($type, @msg)
		2898
		2899	Sends an ext event to the client.
		2900
		2901	=cut
		2902
		2903	sub cf::client::ext_msg($$@) {
		2904	my ($self, $type, @msg) = @_;
		2905
		2906	if ($self->extcmd == 2) {
		2907	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2908	} elsif ($self->extcmd == 1) { # TODO: remove
		2909	push @msg, msgtype => "event_$type";
		2910	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2911	}
		2912	}
		2913
		2914	=item $client->ext_reply ($msgid, @msg)
		2915
		2916	Sends an ext reply to the client.
		2917
		2918	=cut
		2919
		2920	sub cf::client::ext_reply($$@) {
		2921	my ($self, $id, @msg) = @_;
		2922
		2923	if ($self->extcmd == 2) {
		2924	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2925	} elsif ($self->extcmd == 1) {
		2926	#TODO: version 1, remove
		2927	unshift @msg, msgtype => "reply", msgid => $id;
		2928	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2929	}
		2930	}
1789		2931
1790	=item $success = $client->query ($flags, "text", \&cb)	2932	=item $success = $client->query ($flags, "text", \&cb)
1791		2933
1792	Queues a query to the client, calling the given callback with	2934	Queues a query to the client, calling the given callback with
1793	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2935	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1794	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2936	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1795		2937
1796	Queries can fail, so check the return code. Or don't, as queries will become	2938	Queries can fail, so check the return code. Or don't, as queries will
1797	reliable at some point in the future.	2939	become reliable at some point in the future.
1798		2940
1799	=cut	2941	=cut
1800		2942
1801	sub cf::client::query {	2943	sub cf::client::query {
1802	my ($self, $flags, $text, $cb) = @_;	2944	my ($self, $flags, $text, $cb) = @_;
…		…
1810	utf8::encode $text;	2952	utf8::encode $text;
1811	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2953	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1812		2954
1813	$self->send_packet ($self->{query_queue}[0][0])	2955	$self->send_packet ($self->{query_queue}[0][0])
1814	if @{ $self->{query_queue} } == 1;	2956	if @{ $self->{query_queue} } == 1;
		2957
		2958	1
1815	}	2959	}
1816		2960
1817	cf::client->attach (	2961	cf::client->attach (
		2962	on_connect => sub {
		2963	my ($ns) = @_;
		2964
		2965	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2966	},
1818	on_reply => sub {	2967	on_reply => sub {
1819	my ($ns, $msg) = @_;	2968	my ($ns, $msg) = @_;
1820		2969
1821	# this weird shuffling is so that direct followup queries	2970	# this weird shuffling is so that direct followup queries
1822	# get handled first	2971	# get handled first
1823	my $queue = delete $ns->{query_queue}	2972	my $queue = delete $ns->{query_queue}
1824	or return; # be conservative, not sure how that can happen, but we saw a crash here	2973	or return; # be conservative, not sure how that can happen, but we saw a crash here
1825		2974
1826	(shift @$queue)->[1]->($msg);	2975	(shift @$queue)->[1]->($msg);
		2976	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1827		2977
1828	push @{ $ns->{query_queue} }, @$queue;	2978	push @{ $ns->{query_queue} }, @$queue;
1829		2979
1830	if (@{ $ns->{query_queue} } == @$queue) {	2980	if (@{ $ns->{query_queue} } == @$queue) {
1831	if (@$queue) {	2981	if (@$queue) {
…		…
1833	} else {	2983	} else {
1834	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2984	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1835	}	2985	}
1836	}	2986	}
1837	},	2987	},
		2988	on_exticmd => sub {
		2989	my ($ns, $buf) = @_;
		2990
		2991	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2992
		2993	if (ref $msg) {
		2994	my ($type, $reply, @payload) =
		2995	"ARRAY" eq ref $msg
		2996	? @$msg
		2997	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2998
		2999	my @reply;
		3000
		3001	if (my $cb = $EXTICMD{$type}) {
		3002	@reply = $cb->($ns, @payload);
		3003	}
		3004
		3005	$ns->ext_reply ($reply, @reply)
		3006	if $reply;
		3007
		3008	} else {
		3009	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3010	}
		3011
		3012	cf::override;
		3013	},
1838	);	3014	);
1839		3015
1840	=item $client->async (\&cb)	3016	=item $client->async (\&cb)
1841		3017
1842	Create a new coroutine, running the specified callback. The coroutine will	3018	Create a new coroutine, running the specified callback. The coroutine will
…		…
1883	our $safe = new Safe "safe";	3059	our $safe = new Safe "safe";
1884	our $safe_hole = new Safe::Hole;	3060	our $safe_hole = new Safe::Hole;
1885		3061
1886	$SIG{FPE} = 'IGNORE';	3062	$SIG{FPE} = 'IGNORE';
1887		3063
1888	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3064	$safe->permit_only (Opcode::opset qw(
		3065	:base_core :base_mem :base_orig :base_math
		3066	grepstart grepwhile mapstart mapwhile
		3067	sort time
		3068	));
1889		3069
1890	# here we export the classes and methods available to script code	3070	# here we export the classes and methods available to script code
1891		3071
1892	=pod	3072	=pod
1893		3073
1894	The following fucntions and emthods are available within a safe environment:	3074	The following functions and methods are available within a safe environment:
1895		3075
1896	cf::object contr pay_amount pay_player map	3076	cf::object
		3077	contr pay_amount pay_player map x y force_find force_add destroy
		3078	insert remove name archname title slaying race decrease split
		3079	value
		3080
1897	cf::object::player player	3081	cf::object::player
1898	cf::player peaceful	3082	player
1899	cf::map trigger	3083
		3084	cf::player
		3085	peaceful
		3086
		3087	cf::map
		3088	trigger
1900		3089
1901	=cut	3090	=cut
1902		3091
1903	for (	3092	for (
1904	["cf::object" => qw(contr pay_amount pay_player map)],	3093	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3094	insert remove inv nrof name archname title slaying race
		3095	decrease split destroy change_exp value msg lore send_msg)],
1905	["cf::object::player" => qw(player)],	3096	["cf::object::player" => qw(player)],
1906	["cf::player" => qw(peaceful)],	3097	["cf::player" => qw(peaceful send_msg)],
1907	["cf::map" => qw(trigger)],	3098	["cf::map" => qw(trigger)],
1908	) {	3099	) {
1909	no strict 'refs';	3100	no strict 'refs';
1910	my ($pkg, @funs) = @$_;	3101	my ($pkg, @funs) = @$_;
1911	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3102	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
1928	my ($code, %vars) = @_;	3119	my ($code, %vars) = @_;
1929		3120
1930	my $qcode = $code;	3121	my $qcode = $code;
1931	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3122	$qcode =~ s/"/‟/g; # not allowed in #line filenames
1932	$qcode =~ s/\n/\\n/g;	3123	$qcode =~ s/\n/\\n/g;
		3124
		3125	%vars = (_dummy => 0) unless %vars;
1933		3126
1934	local $_;	3127	local $_;
1935	local @safe::cf::_safe_eval_args = values %vars;	3128	local @safe::cf::_safe_eval_args = values %vars;
1936		3129
1937	my $eval =	3130	my $eval =
…		…
1980	=back	3173	=back
1981		3174
1982	=cut	3175	=cut
1983		3176
1984	#############################################################################	3177	#############################################################################
		3178	# the server's init and main functions
1985		3179
1986	=head2 EXTENSION DATABASE SUPPORT	3180	sub load_facedata($) {
		3181	my ($path) = @_;
1987		3182
1988	Crossfire maintains a very simple database for extension use. It can	3183	# HACK to clear player env face cache, we need some signal framework
1989	currently store anything that can be serialised using Storable, which	3184	# for this (global event?)
1990	excludes objects.	3185	%ext::player_env::MUSIC_FACE_CACHE = ();
1991		3186
1992	The parameter C<$family> should best start with the name of the extension	3187	my $enc = JSON::XS->new->utf8->canonical->relaxed;
1993	using it, it should be unique.
1994		3188
1995	=over 4	3189	warn "loading facedata from $path\n";
1996		3190
1997	=item $hashref = cf::db_get $family	3191	my $facedata;
		3192	0 < aio_load $path, $facedata
		3193	or die "$path: $!";
1998		3194
1999	Return a hashref for use by the extension C<$family>, which can be	3195	$facedata = Coro::Storable::thaw $facedata;
2000	modified. After modifications, you have to call C<cf::db_dirty> or
2001	C<cf::db_sync>.
2002		3196
2003	=item $value = cf::db_get $family => $key	3197	$facedata->{version} == 2
		3198	or cf::cleanup "$path: version mismatch, cannot proceed.";
2004		3199
2005	Returns a single value from the database	3200	# patch in the exptable
2006		3201	$facedata->{resource}{"res/exp_table"} = {
2007	=item cf::db_put $family => $hashref	3202	type => FT_RSRC,
2008		3203	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2009	Stores the given family hashref into the database. Updates are delayed, if
2010	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2011
2012	=item cf::db_put $family => $key => $value
2013
2014	Stores the given C<$value> in the family hash. Updates are delayed, if you
2015	want the data to be synced to disk immediately, use C<cf::db_sync>.
2016
2017	=item cf::db_dirty
2018
2019	Marks the database as dirty, to be updated at a later time.
2020
2021	=item cf::db_sync
2022
2023	Immediately write the database to disk I<if it is dirty>.
2024
2025	=cut
2026
2027	our $DB;
2028
2029	{
2030	my $path = cf::localdir . "/database.pst";
2031
2032	sub db_load() {
2033	$DB = stat $path ? Storable::retrieve $path : { };
2034	}
2035
2036	my $pid;
2037
2038	sub db_save() {
2039	waitpid $pid, 0 if $pid;
2040	if (0 == ($pid = fork)) {
2041	$DB->{_meta}{version} = 1;
2042	Storable::nstore $DB, "$path~";
2043	rename "$path~", $path;
2044	cf::_exit 0 if defined $pid;
2045	}
2046	}
2047
2048	my $dirty;
2049
2050	sub db_sync() {
2051	db_save if $dirty;
2052	undef $dirty;
2053	}
2054
2055	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2056	db_sync;
2057	});	3204	};
		3205	cf::cede_to_tick;
2058		3206
2059	sub db_dirty() {
2060	$dirty = 1;
2061	$idle->start;
2062	}	3207	{
		3208	my $faces = $facedata->{faceinfo};
2063		3209
2064	sub db_get($;$) {	3210	while (my ($face, $info) = each %$faces) {
2065	@_ >= 2	3211	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2066	? $DB->{$_[0]}{$_[1]}
2067	: ($DB->{$_[0]} ||= { })
2068	}
2069		3212
2070	sub db_put($$;$) {	3213	cf::face::set_visibility $idx, $info->{visibility};
2071	if (@_ >= 3) {	3214	cf::face::set_magicmap $idx, $info->{magicmap};
2072	$DB->{$_[0]}{$_[1]} = $_[2];	3215	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2073	} else {	3216	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2074	$DB->{$_[0]} = $_[1];
2075	}
2076	db_dirty;
2077	}
2078		3217
2079	cf::global->attach (	3218	cf::cede_to_tick;
2080	prio => 10000,
2081	on_cleanup => sub {
2082	db_sync;
2083	},	3219	}
2084	);
2085	}
2086		3220
2087	#############################################################################	3221	while (my ($face, $info) = each %$faces) {
2088	# the server's main()	3222	next unless $info->{smooth};
2089		3223
2090	sub cfg_load {	3224	my $idx = cf::face::find $face
		3225	or next;
		3226
		3227	if (my $smooth = cf::face::find $info->{smooth}) {
		3228	cf::face::set_smooth $idx, $smooth;
		3229	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3230	} else {
		3231	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3232	}
		3233
		3234	cf::cede_to_tick;
		3235	}
		3236	}
		3237
		3238	{
		3239	my $anims = $facedata->{animinfo};
		3240
		3241	while (my ($anim, $info) = each %$anims) {
		3242	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3243	cf::cede_to_tick;
		3244	}
		3245
		3246	cf::anim::invalidate_all; # d'oh
		3247	}
		3248
		3249	{
		3250	# TODO: for gcfclient pleasure, we should give resources
		3251	# that gcfclient doesn't grok a >10000 face index.
		3252	my $res = $facedata->{resource};
		3253
		3254	while (my ($name, $info) = each %$res) {
		3255	if (defined $info->{type}) {
		3256	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3257	my $data;
		3258
		3259	if ($info->{type} & 1) {
		3260	# prepend meta info
		3261
		3262	my $meta = $enc->encode ({
		3263	name => $name,
		3264	%{ $info->{meta} || {} },
		3265	});
		3266
		3267	$data = pack "(w/a*)*", $meta, $info->{data};
		3268	} else {
		3269	$data = $info->{data};
		3270	}
		3271
		3272	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3273	cf::face::set_type $idx, $info->{type};
		3274	} else {
		3275	$RESOURCE{$name} = $info;
		3276	}
		3277
		3278	cf::cede_to_tick;
		3279	}
		3280	}
		3281
		3282	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3283
		3284	1
		3285	}
		3286
		3287	cf::global->attach (on_resource_update => sub {
		3288	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3289	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3290
		3291	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3292	my $sound = $soundconf->{compat}[$_]
		3293	or next;
		3294
		3295	my $face = cf::face::find "sound/$sound->[1]";
		3296	cf::sound::set $sound->[0] => $face;
		3297	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3298	}
		3299
		3300	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3301	my $face = cf::face::find "sound/$v";
		3302	cf::sound::set $k => $face;
		3303	}
		3304	}
		3305	});
		3306
		3307	register_exticmd fx_want => sub {
		3308	my ($ns, $want) = @_;
		3309
		3310	while (my ($k, $v) = each %$want) {
		3311	$ns->fx_want ($k, $v);
		3312	}
		3313	};
		3314
		3315	sub load_resource_file($) {
		3316	my $guard = lock_acquire "load_resource_file";
		3317
		3318	my $status = load_resource_file_ $_[0];
		3319	get_slot 0.1, 100;
		3320	cf::arch::commit_load;
		3321
		3322	$status
		3323	}
		3324
		3325	sub reload_regions {
		3326	# HACK to clear player env face cache, we need some signal framework
		3327	# for this (global event?)
		3328	%ext::player_env::MUSIC_FACE_CACHE = ();
		3329
		3330	load_resource_file "$MAPDIR/regions"
		3331	or die "unable to load regions file\n";
		3332
		3333	for (cf::region::list) {
		3334	$_->{match} = qr/$_->{match}/
		3335	if exists $_->{match};
		3336	}
		3337	}
		3338
		3339	sub reload_facedata {
		3340	load_facedata "$DATADIR/facedata"
		3341	or die "unable to load facedata\n";
		3342	}
		3343
		3344	sub reload_archetypes {
		3345	load_resource_file "$DATADIR/archetypes"
		3346	or die "unable to load archetypes\n";
		3347	}
		3348
		3349	sub reload_treasures {
		3350	load_resource_file "$DATADIR/treasures"
		3351	or die "unable to load treasurelists\n";
		3352	}
		3353
		3354	sub reload_resources {
		3355	warn "reloading resource files...\n";
		3356
		3357	reload_facedata;
		3358	reload_archetypes;
		3359	reload_regions;
		3360	reload_treasures;
		3361
		3362	warn "finished reloading resource files\n";
		3363	}
		3364
		3365	sub reload_config {
2091	open my $fh, "<:utf8", cf::confdir . "/config"	3366	open my $fh, "<:utf8", "$CONFDIR/config"
2092	or return;	3367	or return;
2093		3368
2094	local $/;	3369	local $/;
2095	*CFG = YAML::Syck::Load <$fh>;	3370	*CFG = YAML::Load <$fh>;
2096		3371
2097	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3372	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2098		3373
2099	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3374	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2100	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3375	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2106	};	3381	};
2107	warn $@ if $@;	3382	warn $@ if $@;
2108	}	3383	}
2109	}	3384	}
2110		3385
		3386	sub pidfile() {
		3387	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3388	or die "$PIDFILE: $!";
		3389	flock $fh, &Fcntl::LOCK_EX
		3390	or die "$PIDFILE: flock: $!";
		3391	$fh
		3392	}
		3393
		3394	# make sure only one server instance is running at any one time
		3395	sub atomic {
		3396	my $fh = pidfile;
		3397
		3398	my $pid = <$fh>;
		3399	kill 9, $pid if $pid > 0;
		3400
		3401	seek $fh, 0, 0;
		3402	print $fh $$;
		3403	}
		3404
2111	sub main {	3405	sub main {
		3406	cf::init_globals; # initialise logging
		3407
		3408	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3409	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3410	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3411	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3412
		3413	cf::init_experience;
		3414	cf::init_anim;
		3415	cf::init_attackmess;
		3416	cf::init_dynamic;
		3417
		3418	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3419
2112	# we must not ever block the main coroutine	3420	# we must not ever block the main coroutine
2113	local $Coro::idle = sub {	3421	local $Coro::idle = sub {
2114	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3422	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2115	async { Event::one_event };	3423	(async {
		3424	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3425	EV::loop EV::LOOP_ONESHOT;
		3426	})->prio (Coro::PRIO_MAX);
2116	};	3427	};
2117		3428
2118	cfg_load;	3429	evthread_start IO::AIO::poll_fileno;
2119	db_load;	3430
		3431	cf::sync_job {
		3432	reload_resources;
		3433	reload_config;
		3434	db_init;
		3435
		3436	cf::load_settings;
		3437	cf::load_materials;
		3438	cf::init_uuid;
		3439	cf::init_signals;
		3440	cf::init_commands;
		3441	cf::init_skills;
		3442
		3443	cf::init_beforeplay;
		3444
		3445	atomic;
		3446
2120	load_extensions;	3447	load_extensions;
		3448
		3449	utime time, time, $RUNTIMEFILE;
		3450
		3451	# no (long-running) fork's whatsoever before this point(!)
		3452	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3453
		3454	(pop @POST_INIT)->(0) while @POST_INIT;
		3455	};
		3456
2121	Event::loop;	3457	EV::loop;
2122	}	3458	}
2123		3459
2124	#############################################################################	3460	#############################################################################
2125	# initialisation	3461	# initialisation and cleanup
2126		3462
		3463	# install some emergency cleanup handlers
		3464	BEGIN {
		3465	our %SIGWATCHER = ();
		3466	for my $signal (qw(INT HUP TERM)) {
		3467	$SIGWATCHER{$signal} = EV::signal $signal, sub {
		3468	cf::cleanup "SIG$signal";
		3469	};
		3470	}
		3471	}
		3472
		3473	sub write_runtime_sync {
		3474	# first touch the runtime file to show we are still running:
		3475	# the fsync below can take a very very long time.
		3476
		3477	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3478
		3479	my $guard = cf::lock_acquire "write_runtime";
		3480
		3481	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3482	or return;
		3483
		3484	my $value = $cf::RUNTIME + 90 + 10;
		3485	# 10 is the runtime save interval, for a monotonic clock
		3486	# 60 allows for the watchdog to kill the server.
		3487
		3488	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3489	and return;
		3490
		3491	# always fsync - this file is important
		3492	aio_fsync $fh
		3493	and return;
		3494
		3495	# touch it again to show we are up-to-date
		3496	aio_utime $fh, undef, undef;
		3497
		3498	close $fh
		3499	or return;
		3500
		3501	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3502	and return;
		3503
		3504	warn "runtime file written.\n";
		3505
		3506	1
		3507	}
		3508
		3509	our $uuid_lock;
		3510	our $uuid_skip;
		3511
		3512	sub write_uuid_sync($) {
		3513	$uuid_skip ||= $_[0];
		3514
		3515	return if $uuid_lock;
		3516	local $uuid_lock = 1;
		3517
		3518	my $uuid = "$LOCALDIR/uuid";
		3519
		3520	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3521	or return;
		3522
		3523	my $value = uuid_seq uuid_cur;
		3524
		3525	unless ($value) {
		3526	warn "cowardly refusing to write zero uuid value!\n";
		3527	return;
		3528	}
		3529
		3530	my $value = uuid_str $value + $uuid_skip;
		3531	$uuid_skip = 0;
		3532
		3533	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3534	and return;
		3535
		3536	# always fsync - this file is important
		3537	aio_fsync $fh
		3538	and return;
		3539
		3540	close $fh
		3541	or return;
		3542
		3543	aio_rename "$uuid~", $uuid
		3544	and return;
		3545
		3546	warn "uuid file written ($value).\n";
		3547
		3548	1
		3549
		3550	}
		3551
		3552	sub write_uuid($$) {
		3553	my ($skip, $sync) = @_;
		3554
		3555	$sync ? write_uuid_sync $skip
		3556	: async { write_uuid_sync $skip };
		3557	}
		3558
		3559	sub emergency_save() {
		3560	my $freeze_guard = cf::freeze_mainloop;
		3561
		3562	warn "emergency_perl_save: enter\n";
		3563
		3564	cf::sync_job {
		3565	# this is a trade-off: we want to be very quick here, so
		3566	# save all maps without fsync, and later call a global sync
		3567	# (which in turn might be very very slow)
		3568	local $USE_FSYNC = 0;
		3569
		3570	# use a peculiar iteration method to avoid tripping on perl
		3571	# refcount bugs in for. also avoids problems with players
		3572	# and maps saved/destroyed asynchronously.
		3573	warn "emergency_perl_save: begin player save\n";
		3574	for my $login (keys %cf::PLAYER) {
		3575	my $pl = $cf::PLAYER{$login} or next;
		3576	$pl->valid or next;
		3577	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
		3578	$pl->save;
		3579	}
		3580	warn "emergency_perl_save: end player save\n";
		3581
		3582	warn "emergency_perl_save: begin map save\n";
		3583	for my $path (keys %cf::MAP) {
		3584	my $map = $cf::MAP{$path} or next;
		3585	$map->valid or next;
		3586	$map->save;
		3587	}
		3588	warn "emergency_perl_save: end map save\n";
		3589
		3590	warn "emergency_perl_save: begin database checkpoint\n";
		3591	BDB::db_env_txn_checkpoint $DB_ENV;
		3592	warn "emergency_perl_save: end database checkpoint\n";
		3593
		3594	warn "emergency_perl_save: begin write uuid\n";
		3595	write_uuid_sync 1;
		3596	warn "emergency_perl_save: end write uuid\n";
		3597	};
		3598
		3599	warn "emergency_perl_save: starting sync()\n";
		3600	IO::AIO::aio_sync sub {
		3601	warn "emergency_perl_save: finished sync()\n";
		3602	};
		3603
		3604	warn "emergency_perl_save: leave\n";
		3605	}
		3606
		3607	sub post_cleanup {
		3608	my ($make_core) = @_;
		3609
		3610	warn Carp::longmess "post_cleanup backtrace"
		3611	if $make_core;
		3612
		3613	my $fh = pidfile;
		3614	unlink $PIDFILE if <$fh> == $$;
		3615	}
		3616
		3617	# a safer delete_package, copied from Symbol
		3618	sub clear_package($) {
		3619	my $pkg = shift;
		3620
		3621	# expand to full symbol table name if needed
		3622	unless ($pkg =~ /^main::.*::$/) {
		3623	$pkg = "main$pkg" if $pkg =~ /^::/;
		3624	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3625	$pkg .= '::' unless $pkg =~ /::$/;
		3626	}
		3627
		3628	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3629	my $stem_symtab = *{$stem}{HASH};
		3630
		3631	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3632	or return;
		3633
		3634	# clear all symbols
		3635	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3636	for my $name (keys %$leaf_symtab) {
		3637	_gv_clear *{"$pkg$name"};
		3638	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3639	}
		3640	warn "cleared package $pkg\n";#d#
		3641	}
		3642
2127	sub reload() {	3643	sub do_reload_perl() {
2128	# can/must only be called in main	3644	# can/must only be called in main
2129	if ($Coro::current != $Coro::main) {	3645	if ($Coro::current != $Coro::main) {
2130	warn "can only reload from main coroutine\n";	3646	warn "can only reload from main coroutine";
2131	return;	3647	return;
2132	}	3648	}
2133		3649
		3650	return if $RELOAD++;
		3651
		3652	my $t1 = EV::time;
		3653
		3654	while ($RELOAD) {
2134	warn "reloading...";	3655	warn "reloading...";
2135		3656
2136	my $guard = freeze_mainloop;	3657	warn "entering sync_job";
		3658
		3659	cf::sync_job {
		3660	cf::write_runtime_sync; # external watchdog should not bark
2137	cf::emergency_save;	3661	cf::emergency_save;
		3662	cf::write_runtime_sync; # external watchdog should not bark
2138		3663
2139	eval {	3664	warn "syncing database to disk";
		3665	BDB::db_env_txn_checkpoint $DB_ENV;
		3666
2140	# if anything goes wrong in here, we should simply crash as we already saved	3667	# if anything goes wrong in here, we should simply crash as we already saved
2141		3668
2142	# cancel all watchers	3669	warn "flushing outstanding aio requests";
2143	for (Event::all_watchers) {	3670	while (IO::AIO::nreqs || BDB::nreqs) {
2144	$_->cancel if $_->data & WF_AUTOCANCEL;	3671	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2145	}
2146
2147	# cancel all extension coros
2148	$_->cancel for values %EXT_CORO;
2149	%EXT_CORO = ();
2150
2151	# unload all extensions
2152	for (@exts) {
2153	warn "unloading <$_>";
2154	unload_extension $_;
2155	}
2156
2157	# unload all modules loaded from $LIBDIR
2158	while (my ($k, $v) = each %INC) {
2159	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2160
2161	warn "removing <$k>";
2162	delete $INC{$k};
2163
2164	$k =~ s/\.pm$//;
2165	$k =~ s/\//::/g;
2166
2167	if (my $cb = $k->can ("unload_module")) {
2168	$cb->();
2169	}	3672	}
2170		3673
2171	Symbol::delete_package $k;	3674	warn "cancelling all extension coros";
		3675	$_->cancel for values %EXT_CORO;
		3676	%EXT_CORO = ();
		3677
		3678	warn "removing commands";
		3679	%COMMAND = ();
		3680
		3681	warn "removing ext/exti commands";
		3682	%EXTCMD = ();
		3683	%EXTICMD = ();
		3684
		3685	warn "unloading/nuking all extensions";
		3686	for my $pkg (@EXTS) {
		3687	warn "... unloading $pkg";
		3688
		3689	if (my $cb = $pkg->can ("unload")) {
		3690	eval {
		3691	$cb->($pkg);
		3692	1
		3693	} or warn "$pkg unloaded, but with errors: $@";
		3694	}
		3695
		3696	warn "... clearing $pkg";
		3697	clear_package $pkg;
2172	}	3698	}
2173		3699
2174	# sync database to disk	3700	warn "unloading all perl modules loaded from $LIBDIR";
2175	cf::db_sync;	3701	while (my ($k, $v) = each %INC) {
2176	IO::AIO::flush;	3702	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2177		3703
		3704	warn "... unloading $k";
		3705	delete $INC{$k};
		3706
		3707	$k =~ s/\.pm$//;
		3708	$k =~ s/\//::/g;
		3709
		3710	if (my $cb = $k->can ("unload_module")) {
		3711	$cb->();
		3712	}
		3713
		3714	clear_package $k;
		3715	}
		3716
2178	# get rid of safe::, as good as possible	3717	warn "getting rid of safe::, as good as possible";
2179	Symbol::delete_package "safe::$_"	3718	clear_package "safe::$_"
2180	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3719	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2181		3720
2182	# remove register_script_function callbacks	3721	warn "unloading cf.pm \"a bit\"";
2183	# TODO
2184
2185	# unload cf.pm "a bit"
2186	delete $INC{"cf.pm"};	3722	delete $INC{"cf.pm"};
		3723	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2187		3724
2188	# don't, removes xs symbols, too,	3725	# don't, removes xs symbols, too,
2189	# and global variables created in xs	3726	# and global variables created in xs
2190	#Symbol::delete_package __PACKAGE__;	3727	#clear_package __PACKAGE__;
2191		3728
2192	# reload cf.pm	3729	warn "unload completed, starting to reload now";
		3730
2193	warn "reloading cf.pm";	3731	warn "reloading cf.pm";
2194	require cf;	3732	require cf;
2195	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3733	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2196		3734
2197	# load config and database again	3735	warn "loading config and database again";
2198	cf::cfg_load;	3736	cf::reload_config;
2199	cf::db_load;
2200		3737
2201	# load extensions
2202	warn "load extensions";	3738	warn "loading extensions";
2203	cf::load_extensions;	3739	cf::load_extensions;
2204		3740
2205	# reattach attachments to objects	3741	if ($REATTACH_ON_RELOAD) {
2206	warn "reattach";	3742	warn "reattaching attachments to objects/players";
2207	_global_reattach;	3743	_global_reattach; # objects, sockets
		3744	warn "reattaching attachments to maps";
2208	reattach $_ for values %MAP;	3745	reattach $_ for values %MAP;
		3746	warn "reattaching attachments to players";
		3747	reattach $_ for values %PLAYER;
		3748	}
		3749
		3750	warn "running post_init jobs";
		3751	(pop @POST_INIT)->(1) while @POST_INIT;
		3752
		3753	warn "leaving sync_job";
		3754
		3755	1
		3756	} or do {
		3757	warn $@;
		3758	cf::cleanup "error while reloading, exiting.";
		3759	};
		3760
		3761	warn "reloaded";
		3762	--$RELOAD;
		3763	}
		3764
		3765	$t1 = EV::time - $t1;
		3766	warn "reload completed in ${t1}s\n";
		3767	};
		3768
		3769	our $RELOAD_WATCHER; # used only during reload
		3770
		3771	sub reload_perl() {
		3772	# doing reload synchronously and two reloads happen back-to-back,
		3773	# coro crashes during coro_state_free->destroy here.
		3774
		3775	$RELOAD_WATCHER ||= cf::async {
		3776	Coro::AIO::aio_wait cache_extensions;
		3777
		3778	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3779	do_reload_perl;
		3780	undef $RELOAD_WATCHER;
		3781	};
2209	};	3782	};
2210
2211	if ($@) {
2212	warn $@;
2213	warn "error while reloading, exiting.";
2214	exit 1;
2215	}
2216
2217	warn "reloaded successfully";
2218	};
2219
2220	#############################################################################
2221
2222	unless ($LINK_MAP) {
2223	$LINK_MAP = cf::map::new;
2224
2225	$LINK_MAP->width (41);
2226	$LINK_MAP->height (41);
2227	$LINK_MAP->alloc;
2228	$LINK_MAP->path ("{link}");
2229	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2230	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2231
2232	# dirty hack because... archetypes are not yet loaded
2233	Event->timer (
2234	after => 10,
2235	cb => sub {
2236	$_[0]->w->cancel;
2237
2238	# provide some exits "home"
2239	my $exit = cf::object::new "exit";
2240
2241	$exit->slaying ($EMERGENCY_POSITION->[0]);
2242	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2243	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2244
2245	$LINK_MAP->insert ($exit->clone, 19, 19);
2246	$LINK_MAP->insert ($exit->clone, 19, 20);
2247	$LINK_MAP->insert ($exit->clone, 19, 21);
2248	$LINK_MAP->insert ($exit->clone, 20, 19);
2249	$LINK_MAP->insert ($exit->clone, 20, 21);
2250	$LINK_MAP->insert ($exit->clone, 21, 19);
2251	$LINK_MAP->insert ($exit->clone, 21, 20);
2252	$LINK_MAP->insert ($exit->clone, 21, 21);
2253
2254	$exit->destroy;
2255	});
2256
2257	$LINK_MAP->{deny_save} = 1;
2258	$LINK_MAP->{deny_reset} = 1;
2259
2260	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2261	}	3783	}
2262
2263	register "<global>", __PACKAGE__;
2264		3784
2265	register_command "reload" => sub {	3785	register_command "reload" => sub {
2266	my ($who, $arg) = @_;	3786	my ($who, $arg) = @_;
2267		3787
2268	if ($who->flag (FLAG_WIZ)) {	3788	if ($who->flag (FLAG_WIZ)) {
2269	$who->message ("start of reload.");
2270	reload;
2271	$who->message ("end of reload.");	3789	$who->message ("reloading server.");
		3790	async {
		3791	$Coro::current->{desc} = "perl_reload";
		3792	reload_perl;
		3793	};
2272	}	3794	}
2273	};	3795	};
2274		3796
2275	unshift @INC, $LIBDIR;	3797	unshift @INC, $LIBDIR;
2276		3798
2277	$TICK_WATCHER = Event->timer (	3799	my $bug_warning = 0;
2278	reentrant => 0,	3800
2279	prio => 0,	3801	our @WAIT_FOR_TICK;
2280	at => $NEXT_TICK || $TICK,	3802	our @WAIT_FOR_TICK_BEGIN;
2281	data => WF_AUTOCANCEL,	3803
2282	cb => sub {	3804	sub wait_for_tick {
		3805	return if tick_inhibit || $Coro::current == $Coro::main;
		3806
		3807	my $signal = new Coro::Signal;
		3808	push @WAIT_FOR_TICK, $signal;
		3809	$signal->wait;
		3810	}
		3811
		3812	sub wait_for_tick_begin {
		3813	return if tick_inhibit || $Coro::current == $Coro::main;
		3814
		3815	my $signal = new Coro::Signal;
		3816	push @WAIT_FOR_TICK_BEGIN, $signal;
		3817	$signal->wait;
		3818	}
		3819
		3820	sub tick {
		3821	if ($Coro::current != $Coro::main) {
		3822	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3823	unless ++$bug_warning > 10;
		3824	return;
		3825	}
		3826
2283	cf::server_tick; # one server iteration	3827	cf::server_tick; # one server iteration
2284	$RUNTIME += $TICK;
2285	$NEXT_TICK += $TICK;
2286		3828
2287	# if we are delayed by four ticks or more, skip them all	3829	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2288	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3830	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2289		3831	Coro::async_pool {
2290	$TICK_WATCHER->at ($NEXT_TICK);	3832	$Coro::current->{desc} = "runtime saver";
2291	$TICK_WATCHER->start;
2292	},
2293	);
2294
2295	IO::AIO::max_poll_time $TICK * 0.2;
2296
2297	Event->io (
2298	fd => IO::AIO::poll_fileno,
2299	poll => 'r',
2300	prio => 5,
2301	data => WF_AUTOCANCEL,
2302	cb => \&IO::AIO::poll_cb,
2303	);
2304
2305	Event->timer (
2306	data => WF_AUTOCANCEL,
2307	after => 0,
2308	interval => 10,
2309	cb => sub {
2310	(Coro::unblock_sub {
2311	write_runtime	3833	write_runtime_sync
2312	or warn "ERROR: unable to write runtime file: $!";	3834	or warn "ERROR: unable to write runtime file: $!";
2313	})->();	3835	};
2314	},	3836	}
2315	);	3837
		3838	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3839	$sig->send;
		3840	}
		3841	while (my $sig = shift @WAIT_FOR_TICK) {
		3842	$sig->send;
		3843	}
		3844
		3845	$LOAD = ($NOW - $TICK_START) / $TICK;
		3846	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3847
		3848	if (0) {
		3849	if ($NEXT_TICK) {
		3850	my $jitter = $TICK_START - $NEXT_TICK;
		3851	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3852	warn "jitter $JITTER\n";#d#
		3853	}
		3854	}
		3855	}
		3856
		3857	{
		3858	# configure BDB
		3859
		3860	BDB::min_parallel 8;
		3861	BDB::max_poll_reqs $TICK * 0.1;
		3862	$AnyEvent::BDB::WATCHER->priority (1);
		3863
		3864	unless ($DB_ENV) {
		3865	$DB_ENV = BDB::db_env_create;
		3866	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3867	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3868	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3869	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3870	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3871
		3872	cf::sync_job {
		3873	eval {
		3874	BDB::db_env_open
		3875	$DB_ENV,
		3876	$BDBDIR,
		3877	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3878	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3879	0666;
		3880
		3881	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3882	};
		3883
		3884	cf::cleanup "db_env_open(db): $@" if $@;
		3885	};
		3886	}
		3887
		3888	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3889	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3890	};
		3891	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3892	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3893	};
		3894	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3895	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3896	};
		3897	}
		3898
		3899	{
		3900	# configure IO::AIO
		3901
		3902	IO::AIO::min_parallel 8;
		3903	IO::AIO::max_poll_time $TICK * 0.1;
		3904	undef $AnyEvent::AIO::WATCHER;
		3905	}
		3906
		3907	my $_log_backtrace;
		3908
		3909	sub _log_backtrace {
		3910	my ($msg, @addr) = @_;
		3911
		3912	$msg =~ s/\n//;
		3913
		3914	# limit the # of concurrent backtraces
		3915	if ($_log_backtrace < 2) {
		3916	++$_log_backtrace;
		3917	my $perl_bt = Carp::longmess $msg;
		3918	async {
		3919	$Coro::current->{desc} = "abt $msg";
		3920
		3921	my @bt = fork_call {
		3922	@addr = map { sprintf "%x", $_ } @addr;
		3923	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3924	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3925	or die "addr2line: $!";
		3926
		3927	my @funcs;
		3928	my @res = <$fh>;
		3929	chomp for @res;
		3930	while (@res) {
		3931	my ($func, $line) = splice @res, 0, 2, ();
		3932	push @funcs, "[$func] $line";
		3933	}
		3934
		3935	@funcs
		3936	};
		3937
		3938	LOG llevInfo, "[ABT] $perl_bt\n";
		3939	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3940	LOG llevInfo, "[ABT] $_\n" for @bt;
		3941	--$_log_backtrace;
		3942	};
		3943	} else {
		3944	LOG llevInfo, "[ABT] $msg\n";
		3945	LOG llevInfo, "[ABT] [suppressed]\n";
		3946	}
		3947	}
		3948
		3949	# load additional modules
		3950	require "cf/$_.pm" for @EXTRA_MODULES;
2316		3951
2317	END { cf::emergency_save }	3952	END { cf::emergency_save }
2318		3953
2319	1	3954	1
2320		3955

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