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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.166 by root, Sat Jan 13 23:06:13 2007 UTC vs.
Revision 1.457 by root, Wed Oct 1 05:50:19 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
		31	use EV;
9	use Opcode;	32	use Opcode;
10	use Safe;	33	use Safe;
11	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
12		36
13	use Coro 3.3 ();	37	use Coro ();
		38	use Coro::State;
		39	use Coro::Handle;
		40	use Coro::EV;
14	use Coro::Event;	41	use Coro::AnyEvent;
15	use Coro::Timer;	42	use Coro::Timer;
16	use Coro::Signal;	43	use Coro::Signal;
17	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
18	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
		48	use Coro::Storable;
		49	use Coro::Util ();
19		50
		51	use JSON::XS 2.01 ();
		52	use BDB ();
20	use Data::Dumper;	53	use Data::Dumper;
21	use Digest::MD5;	54	use Digest::MD5;
22	use Fcntl;	55	use Fcntl;
		56	use YAML ();
23	use IO::AIO 2.32 ();	57	use IO::AIO ();
24	use YAML::Syck ();
25	use Time::HiRes;	58	use Time::HiRes;
		59	use Compress::LZF;
		60	use Digest::MD5 ();
26		61
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	62	AnyEvent::detect;
		63
		64	# configure various modules to our taste
		65	#
		66	$Storable::canonical = 1; # reduce rsync transfers
		67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		68
		69	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		70
		71	# make sure c-lzf reinitialises itself
		72	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		73	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
28		74
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		76
36	our %COMMAND = ();	77	our %COMMAND = ();
37	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
38		79
39	our @EXTS = (); # list of extension package names	80	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	81	our %EXTCMD = ();
		82	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	83	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	84	our %EXT_MAP = (); # pluggable maps
43		85
		86	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	87	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		88
47	our $TICK = MAX_TIME * 1e-6;	89	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	90	our $DATADIR = datadir;
		91	our $LIBDIR = "$DATADIR/ext";
		92	our $PODDIR = "$DATADIR/pod";
		93	our $MAPDIR = "$DATADIR/" . mapdir;
		94	our $LOCALDIR = localdir;
		95	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		96	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		97	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		98	our $RANDOMDIR = "$LOCALDIR/random";
		99	our $BDBDIR = "$LOCALDIR/db";
		100	our $PIDFILE = "$LOCALDIR/pid";
		101	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		102
		103	our %RESOURCE;
		104
		105	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	107	our $NEXT_TICK;
50	our $NOW;	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
		109
		110	our $BDB_DEADLOCK_WATCHER;
		111	our $BDB_CHECKPOINT_WATCHER;
		112	our $BDB_TRICKLE_WATCHER;
		113	our $DB_ENV;
51		114
52	our %CFG;	115	our %CFG;
53		116
54	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
56		120
57	our %PLAYER; # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
58	our %MAP; # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
59	our $LINK_MAP; # the special {link} map, which is always available	123	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
64		124
65	# used to convert map paths into valid unix filenames by replacing / by ∕	125	# used to convert map paths into valid unix filenames by replacing / by ∕
66	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
67		127
		128	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		129	our $LOADAVG; # same thing, but with alpha-smoothing
		130	our $JITTER; # average jitter
		131	our $TICK_START; # for load detecting purposes
		132
		133	our @POST_INIT;
		134
		135	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
		136
68	binmode STDOUT;	137	binmode STDOUT;
69	binmode STDERR;	138	binmode STDERR;
70		139
71	# read virtual server time, if available	140	# read virtual server time, if available
72	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	141	unless ($RUNTIME || !-e $RUNTIMEFILE) {
73	open my $fh, "<", cf::localdir . "/runtime"	142	open my $fh, "<", $RUNTIMEFILE
74	or die "unable to read runtime file: $!";	143	or die "unable to read $RUNTIMEFILE file: $!";
75	$RUNTIME = <$fh> + 0.;	144	$RUNTIME = <$fh> + 0.;
76	}	145	}
77		146
78	mkdir cf::localdir;	147	mkdir $_
79	mkdir cf::localdir . "/" . cf::playerdir;	148	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
80	mkdir cf::localdir . "/" . cf::tmpdir;
81	mkdir cf::localdir . "/" . cf::uniquedir;
82	mkdir $RANDOM_MAPS;
83		149
84	our $EMERGENCY_POSITION;	150	our $EMERGENCY_POSITION;
		151
		152	sub cf::map::normalise;
85		153
86	#############################################################################	154	#############################################################################
87		155
88	=head2 GLOBAL VARIABLES	156	=head2 GLOBAL VARIABLES
89		157
…		…
96	=item $cf::RUNTIME	164	=item $cf::RUNTIME
97		165
98	The time this server has run, starts at 0 and is increased by $cf::TICK on	166	The time this server has run, starts at 0 and is increased by $cf::TICK on
99	every server tick.	167	every server tick.
100		168
101	=item $cf::LIBDIR	169	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		170	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		171	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
102		172
103	The perl library directory, where extensions and cf-specific modules can	173	Various directories - "/etc", read-only install directory, perl-library
104	be found. It will be added to C<@INC> automatically.	174	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		175	unique-items directory, player file directory, random maps directory and
		176	database environment.
105		177
106	=item $cf::NOW	178	=item $cf::NOW
107		179
108	The time of the last (current) server tick.	180	The time of the last (current) server tick.
109		181
110	=item $cf::TICK	182	=item $cf::TICK
111		183
112	The interval between server ticks, in seconds.	184	The interval between server ticks, in seconds.
113		185
		186	=item $cf::LOADAVG
		187
		188	The current CPU load on the server (alpha-smoothed), as a value between 0
		189	(none) and 1 (overloaded), indicating how much time is spent on processing
		190	objects per tick. Healthy values are < 0.5.
		191
		192	=item $cf::LOAD
		193
		194	The raw value load value from the last tick.
		195
114	=item %cf::CFG	196	=item %cf::CFG
115		197
116	Configuration for the server, loaded from C</etc/crossfire/config>, or	198	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
117	from wherever your confdir points to.	199	from wherever your confdir points to.
118		200
119	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	201	=item cf::wait_for_tick, cf::wait_for_tick_begin
120		202
121	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	203	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
122	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	204	returns directly I<after> the tick processing (and consequently, can only wake one process
123	processing has been done. Call C<< ->wait >> on them to maximise the	205	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
124	window of cpu time available, or simply to synchronise to the server tick.	206
		207	=item @cf::INVOKE_RESULTS
		208
		209	This array contains the results of the last C<invoke ()> call. When
		210	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		211	that call.
125		212
126	=back	213	=back
127		214
128	=cut	215	=cut
129		216
130	BEGIN {	217	BEGIN {
131	*CORE::GLOBAL::warn = sub {	218	*CORE::GLOBAL::warn = sub {
132	my $msg = join "", @_;	219	my $msg = join "", @_;
133	utf8::encode $msg;
134		220
135	$msg .= "\n"	221	$msg .= "\n"
136	unless $msg =~ /\n$/;	222	unless $msg =~ /\n$/;
137		223
		224	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		225
138	LOG llevError, $msg;	226	LOG llevError, $msg;
139	};	227	};
140	}	228	}
		229
		230	$Coro::State::DIEHOOK = sub {
		231	return unless $^S eq 0; # "eq", not "=="
		232
		233	if ($Coro::current == $Coro::main) {#d#
		234	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		235	return;#d#
		236	}#d#
		237
		238	# kill coroutine otherwise
		239	warn Carp::longmess $_[0];
		240	Coro::terminate
		241	};
		242
		243	$SIG{__DIE__} = sub { }; #d#?
141		244
142	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	245	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
143	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	246	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
144	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	247	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
145	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	248	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
146	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	249	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		250	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
147	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	251	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
148		252
149	# we bless all objects into (empty) derived classes to force a method lookup	253	# we bless all objects into (empty) derived classes to force a method lookup
150	# within the Safe compartment.	254	# within the Safe compartment.
151	for my $pkg (qw(	255	for my $pkg (qw(
152	cf::global cf::attachable	256	cf::global cf::attachable
153	cf::object cf::object::player	257	cf::object cf::object::player
154	cf::client cf::player	258	cf::client cf::player
155	cf::arch cf::living	259	cf::arch cf::living
		260	cf::map cf::mapspace
156	cf::map cf::party cf::region	261	cf::party cf::region
157	)) {	262	)) {
158	no strict 'refs';
159	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	263	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
160	}	264	}
161		265
162	$Event::DIED = sub {	266	$EV::DIED = sub {
163	warn "error in event callback: @_";	267	warn "error in event callback: @_";
164	};	268	};
		269
		270	#############################################################################
165		271
166	=head2 UTILITY FUNCTIONS	272	=head2 UTILITY FUNCTIONS
167		273
168	=over 4	274	=over 4
169		275
…		…
188	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	294	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189	$d	295	$d
190	} || "[unable to dump $_[0]: '$@']";	296	} || "[unable to dump $_[0]: '$@']";
191	}	297	}
192		298
193	use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195	=item $ref = cf::from_json $json	299	=item $ref = cf::decode_json $json
196		300
197	Converts a JSON string into the corresponding perl data structure.	301	Converts a JSON string into the corresponding perl data structure.
198		302
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	303	=item $json = cf::encode_json $ref
207		304
208	Converts a perl data structure into its JSON representation.	305	Converts a perl data structure into its JSON representation.
209		306
210	=cut	307	=cut
211		308
212	sub to_json($) {	309	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	310
214	JSON::Syck::Dump $_[0]	311	sub encode_json($) { $json_coder->encode ($_[0]) }
		312	sub decode_json($) { $json_coder->decode ($_[0]) }
		313
		314	=item cf::post_init { BLOCK }
		315
		316	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		317	but I<before> the server starts ticking again.
		318
		319	The cdoeblock will have a single boolean argument to indicate whether this
		320	is a reload or not.
		321
		322	=cut
		323
		324	sub post_init(&) {
		325	push @POST_INIT, shift;
215	}	326	}
216		327
217	=item cf::lock_wait $string	328	=item cf::lock_wait $string
218		329
219	Wait until the given lock is available. See cf::lock_acquire.	330	Wait until the given lock is available. See cf::lock_acquire.
…		…
223	Wait until the given lock is available and then acquires it and returns	334	Wait until the given lock is available and then acquires it and returns
224	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	335	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
225	for example when the coroutine gets canceled), the lock is automatically	336	for example when the coroutine gets canceled), the lock is automatically
226	returned.	337	returned.
227		338
		339	Locks are *not* recursive, locking from the same coro twice results in a
		340	deadlocked coro.
		341
228	Lock names should begin with a unique identifier (for example, cf::map::find	342	Lock names should begin with a unique identifier (for example, cf::map::find
229	uses map_find and cf::map::load uses map_load).	343	uses map_find and cf::map::load uses map_load).
230		344
		345	=item $locked = cf::lock_active $string
		346
		347	Return true if the lock is currently active, i.e. somebody has locked it.
		348
231	=cut	349	=cut
232		350
233	our %LOCK;	351	our %LOCK;
		352	our %LOCKER;#d#
234		353
235	sub lock_wait($) {	354	sub lock_wait($) {
236	my ($key) = @_;	355	my ($key) = @_;
237		356
		357	if ($LOCKER{$key} == $Coro::current) {#d#
		358	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		359	return;#d#
		360	}#d#
		361
238	# wait for lock, if any	362	# wait for lock, if any
239	while ($LOCK{$key}) {	363	while ($LOCK{$key}) {
		364	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
240	push @{ $LOCK{$key} }, $Coro::current;	365	push @{ $LOCK{$key} }, $Coro::current;
241	Coro::schedule;	366	Coro::schedule;
242	}	367	}
243	}	368	}
244		369
…		…
247		372
248	# wait, to be sure we are not locked	373	# wait, to be sure we are not locked
249	lock_wait $key;	374	lock_wait $key;
250		375
251	$LOCK{$key} = [];	376	$LOCK{$key} = [];
		377	$LOCKER{$key} = $Coro::current;#d#
252		378
253	Coro::guard {	379	Coro::guard {
		380	delete $LOCKER{$key};#d#
254	# wake up all waiters, to be on the safe side	381	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };	382	$_->ready for @{ delete $LOCK{$key} };
256	}	383	}
257	}	384	}
258		385
		386	sub lock_active($) {
		387	my ($key) = @_;
		388
		389	! ! $LOCK{$key}
		390	}
		391
259	sub freeze_mainloop {	392	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	393	tick_inhibit_inc;
261		394
262	my $guard = Coro::guard { $TICK_WATCHER->start };	395	Coro::guard \&tick_inhibit_dec;
263	$TICK_WATCHER->stop;	396	}
264	$guard	397
		398	=item cf::periodic $interval, $cb
		399
		400	Like EV::periodic, but randomly selects a starting point so that the actions
		401	get spread over timer.
		402
		403	=cut
		404
		405	sub periodic($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
		411	}
		412
		413	=item cf::get_slot $time[, $priority[, $name]]
		414
		415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		416	This call blocks and returns only when you have at least C<$time> seconds
		417	of cpu time till the next tick. The slot is only valid till the next cede.
		418
		419	The optional C<$name> can be used to identify the job to run. It might be
		420	used for statistical purposes and should identify the same time-class.
		421
		422	Useful for short background jobs.
		423
		424	=cut
		425
		426	our @SLOT_QUEUE;
		427	our $SLOT_QUEUE;
		428
		429	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		430	$SLOT_QUEUE = Coro::async {
		431	$Coro::current->desc ("timeslot manager");
		432
		433	my $signal = new Coro::Signal;
		434
		435	while () {
		436	next_job:
		437	my $avail = cf::till_tick;
		438	if ($avail > 0.01) {
		439	for (0 .. $#SLOT_QUEUE) {
		440	if ($SLOT_QUEUE[$_][0] < $avail) {
		441	my $job = splice @SLOT_QUEUE, $_, 1, ();
		442	$job->[2]->send;
		443	Coro::cede;
		444	goto next_job;
		445	}
		446	}
		447	}
		448
		449	if (@SLOT_QUEUE) {
		450	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		451	push @cf::WAIT_FOR_TICK, $signal;
		452	$signal->wait;
		453	} else {
		454	Coro::schedule;
		455	}
		456	}
		457	};
		458
		459	sub get_slot($;$$) {
		460	return if tick_inhibit || $Coro::current == $Coro::main;
		461
		462	my ($time, $pri, $name) = @_;
		463
		464	$time = $TICK * .6 if $time > $TICK * .6;
		465	my $sig = new Coro::Signal;
		466
		467	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		468	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		469	$SLOT_QUEUE->ready;
		470	$sig->wait;
265	}	471	}
266		472
267	=item cf::async { BLOCK }	473	=item cf::async { BLOCK }
268		474
269	Currently the same as Coro::async_pool, meaning you cannot use	475	Currently the same as Coro::async_pool, meaning you cannot use
…		…
274		480
275	BEGIN { *async = \&Coro::async_pool }	481	BEGIN { *async = \&Coro::async_pool }
276		482
277	=item cf::sync_job { BLOCK }	483	=item cf::sync_job { BLOCK }
278		484
279	The design of crossfire+ requires that the main coro ($Coro::main) is	485	The design of Deliantra requires that the main coroutine ($Coro::main)
280	always able to handle events or runnable, as crossfire+ is only partly	486	is always able to handle events or runnable, as Deliantra is only
281	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	487	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		488	acceptable.
282		489
283	If it must be done, put the blocking parts into C<sync_job>. This will run	490	If it must be done, put the blocking parts into C<sync_job>. This will run
284	the given BLOCK in another coroutine while waiting for the result. The	491	the given BLOCK in another coroutine while waiting for the result. The
285	server will be frozen during this time, so the block should either finish	492	server will be frozen during this time, so the block should either finish
286	fast or be very important.	493	fast or be very important.
…		…
289		496
290	sub sync_job(&) {	497	sub sync_job(&) {
291	my ($job) = @_;	498	my ($job) = @_;
292		499
293	if ($Coro::current == $Coro::main) {	500	if ($Coro::current == $Coro::main) {
		501	my $time = EV::time;
		502
294	# this is the main coro, too bad, we have to block	503	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	504	# till the operation succeeds, freezing the server :/
296		505
297	# TODO: use suspend/resume instead	506	LOG llevError, Carp::longmess "sync job";#d#
298	# (but this is cancel-safe)	507
299	my $freeze_guard = freeze_mainloop;	508	my $freeze_guard = freeze_mainloop;
300		509
301	my $busy = 1;	510	my $busy = 1;
302	my @res;	511	my @res;
303		512
304	(async {	513	(async {
		514	$Coro::current->desc ("sync job coro");
305	@res = eval { $job->() };	515	@res = eval { $job->() };
306	warn $@ if $@;	516	warn $@ if $@;
307	undef $busy;	517	undef $busy;
308	})->prio (Coro::PRIO_MAX);	518	})->prio (Coro::PRIO_MAX);
309		519
310	while ($busy) {	520	while ($busy) {
311	Coro::cede or Event::one_event;	521	if (Coro::nready) {
		522	Coro::cede_notself;
		523	} else {
		524	EV::loop EV::LOOP_ONESHOT;
312	}	525	}
		526	}
		527
		528	my $time = EV::time - $time;
		529
		530	$TICK_START += $time; # do not account sync jobs to server load
313		531
314	wantarray ? @res : $res[0]	532	wantarray ? @res : $res[0]
315	} else {	533	} else {
316	# we are in another coroutine, how wonderful, everything just works	534	# we are in another coroutine, how wonderful, everything just works
317		535
…		…
337	$EXT_CORO{$coro+0} = $coro;	555	$EXT_CORO{$coro+0} = $coro;
338		556
339	$coro	557	$coro
340	}	558	}
341		559
342	sub write_runtime {	560	=item fork_call { }, $args
343	return unless $TICK_WATCHER->is_active;
344		561
345	my $runtime = cf::localdir . "/runtime";	562	Executes the given code block with the given arguments in a seperate
		563	process, returning the results. Everything must be serialisable with
		564	Coro::Storable. May, of course, block. Note that the executed sub may
		565	never block itself or use any form of event handling.
346		566
347	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	567	=cut
348	or return;
349		568
350	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	569	sub fork_call(&@) {
351	(aio_write $fh, 0, (length $value), $value, 0) <= 0	570	my ($cb, @args) = @_;
352	and return;
353		571
354	aio_fsync $fh	572	# we seemingly have to make a local copy of the whole thing,
355	and return;	573	# otherwise perl prematurely frees the stuff :/
		574	# TODO: investigate and fix (likely this will be rather laborious)
356		575
357	close $fh	576	my @res = Coro::Util::fork_eval {
358	or return;	577	reset_signals;
		578	&$cb
		579	}, @args;
359		580
360	aio_rename "$runtime~", $runtime	581	wantarray ? @res : $res[-1]
361	and return;	582	}
362		583
		584	=item $coin = coin_from_name $name
		585
		586	=cut
		587
		588	our %coin_alias = (
		589	"silver" => "silvercoin",
		590	"silvercoin" => "silvercoin",
		591	"silvercoins" => "silvercoin",
		592	"gold" => "goldcoin",
		593	"goldcoin" => "goldcoin",
		594	"goldcoins" => "goldcoin",
		595	"platinum" => "platinacoin",
		596	"platinumcoin" => "platinacoin",
		597	"platinumcoins" => "platinacoin",
		598	"platina" => "platinacoin",
		599	"platinacoin" => "platinacoin",
		600	"platinacoins" => "platinacoin",
		601	"royalty" => "royalty",
		602	"royalties" => "royalty",
		603	);
		604
		605	sub coin_from_name($) {
		606	$coin_alias{$_[0]}
		607	? cf::arch::find $coin_alias{$_[0]}
		608	: undef
		609	}
		610
		611	=item $value = cf::db_get $family => $key
		612
		613	Returns a single value from the environment database.
		614
		615	=item cf::db_put $family => $key => $value
		616
		617	Stores the given C<$value> in the family. It can currently store binary
		618	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		619
		620	=item $db = cf::db_table "name"
		621
		622	Create and/or open a new database table. The string must not be "db" and must be unique
		623	within each server.
		624
		625	=cut
		626
		627	sub db_table($) {
		628	my ($name) = @_;
		629	my $db = BDB::db_create $DB_ENV;
		630
		631	eval {
		632	$db->set_flags (BDB::CHKSUM);
		633
		634	utf8::encode $name;
		635	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		636	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		637	cf::cleanup "db_open(db): $!" if $!;
		638	};
		639	cf::cleanup "db_open(db): $@" if $@;
		640
		641	$db
		642	}
		643
		644	our $DB;
		645
		646	sub db_init {
		647	cf::sync_job {
		648	$DB ||= db_table "db";
		649	};
		650	}
		651
		652	sub db_get($$) {
		653	my $key = "$_[0]/$_[1]";
		654
		655	cf::sync_job {
		656	BDB::db_get $DB, undef, $key, my $data;
		657
		658	$! ? ()
		659	: $data
363	1	660	}
		661	}
		662
		663	sub db_put($$$) {
		664	BDB::dbreq_pri 4;
		665	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		666	}
		667
		668	=item cf::cache $id => [$paths...], $processversion => $process
		669
		670	Generic caching function that returns the value of the resource $id,
		671	caching and regenerating as required.
		672
		673	This function can block.
		674
		675	=cut
		676
		677	sub cache {
		678	my ($id, $src, $processversion, $process) = @_;
		679
		680	my $meta =
		681	join "\x00",
		682	$processversion,
		683	map {
		684	aio_stat $_
		685	and Carp::croak "$_: $!";
		686
		687	($_, (stat _)[7,9])
		688	} @$src;
		689
		690	my $dbmeta = db_get cache => "$id/meta";
		691	if ($dbmeta ne $meta) {
		692	# changed, we may need to process
		693
		694	my @data;
		695	my $md5;
		696
		697	for (0 .. $#$src) {
		698	0 <= aio_load $src->[$_], $data[$_]
		699	or Carp::croak "$src->[$_]: $!";
		700	}
		701
		702	# if processing is expensive, check
		703	# checksum first
		704	if (1) {
		705	$md5 =
		706	join "\x00",
		707	$processversion,
		708	map {
		709	cf::cede_to_tick;
		710	($src->[$_], Digest::MD5::md5_hex $data[$_])
		711	} 0.. $#$src;
		712
		713
		714	my $dbmd5 = db_get cache => "$id/md5";
		715	if ($dbmd5 eq $md5) {
		716	db_put cache => "$id/meta", $meta;
		717
		718	return db_get cache => "$id/data";
		719	}
		720	}
		721
		722	my $t1 = Time::HiRes::time;
		723	my $data = $process->(\@data);
		724	my $t2 = Time::HiRes::time;
		725
		726	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		727
		728	db_put cache => "$id/data", $data;
		729	db_put cache => "$id/md5" , $md5;
		730	db_put cache => "$id/meta", $meta;
		731
		732	return $data;
		733	}
		734
		735	db_get cache => "$id/data"
		736	}
		737
		738	=item cf::datalog type => key => value, ...
		739
		740	Log a datalog packet of the given type with the given key-value pairs.
		741
		742	=cut
		743
		744	sub datalog($@) {
		745	my ($type, %kv) = @_;
		746	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
364	}	747	}
365		748
366	=back	749	=back
367		750
368	=cut	751	=cut
369		752
370	#############################################################################	753	#############################################################################
371		754
372	=head2 ATTACHABLE OBJECTS	755	=head2 ATTACHABLE OBJECTS
373		756
374	Many objects in crossfire are so-called attachable objects. That means you can	757	Many objects in deliantra are so-called attachable objects. That means you can
375	attach callbacks/event handlers (a collection of which is called an "attachment")	758	attach callbacks/event handlers (a collection of which is called an "attachment")
376	to it. All such attachable objects support the following methods.	759	to it. All such attachable objects support the following methods.
377		760
378	In the following description, CLASS can be any of C<global>, C<object>	761	In the following description, CLASS can be any of C<global>, C<object>
379	C<player>, C<client> or C<map> (i.e. the attachable objects in	762	C<player>, C<client> or C<map> (i.e. the attachable objects in
380	crossfire+).	763	Deliantra).
381		764
382	=over 4	765	=over 4
383		766
384	=item $attachable->attach ($attachment, key => $value...)	767	=item $attachable->attach ($attachment, key => $value...)
385		768
…		…
429	=item cf::CLASS::attachment $name, ...	812	=item cf::CLASS::attachment $name, ...
430		813
431	Register an attachment by C<$name> through which attachable objects of the	814	Register an attachment by C<$name> through which attachable objects of the
432	given CLASS can refer to this attachment.	815	given CLASS can refer to this attachment.
433		816
434	Some classes such as crossfire maps and objects can specify attachments	817	Some classes such as deliantra maps and objects can specify attachments
435	that are attached at load/instantiate time, thus the need for a name.	818	that are attached at load/instantiate time, thus the need for a name.
436		819
437	These calls expect any number of the following handler/hook descriptions:	820	These calls expect any number of the following handler/hook descriptions:
438		821
439	=over 4	822	=over 4
…		…
499	our @CB_TYPE = (); # registry for type (cf-object class) based events	882	our @CB_TYPE = (); # registry for type (cf-object class) based events
500	our @CB_MAP = ();	883	our @CB_MAP = ();
501		884
502	my %attachment;	885	my %attachment;
503		886
		887	sub cf::attachable::thawer_merge {
		888	# simply override everything except _meta
		889	local $_[0]{_meta};
		890	%{$_[0]} = %{$_[1]};
		891	}
		892
504	sub _attach_cb($$$$) {	893	sub _attach_cb($$$$) {
505	my ($registry, $event, $prio, $cb) = @_;	894	my ($registry, $event, $prio, $cb) = @_;
506		895
507	use sort 'stable';	896	use sort 'stable';
508		897
…		…
542	$registry = $CB_TYPE[$object_type] ||= [];	931	$registry = $CB_TYPE[$object_type] ||= [];
543		932
544	} elsif ($type eq "subtype") {	933	} elsif ($type eq "subtype") {
545	defined $object_type or Carp::croak "subtype specified without type";	934	defined $object_type or Carp::croak "subtype specified without type";
546	my $object_subtype = shift @arg;	935	my $object_subtype = shift @arg;
547	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	936	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
548		937
549	} elsif ($type eq "package") {	938	} elsif ($type eq "package") {
550	my $pkg = shift @arg;	939	my $pkg = shift @arg;
551		940
552	while (my ($name, $id) = each %cb_id) {	941	while (my ($name, $id) = each %cb_id) {
…		…
581	_attach $registry, $klass, @attach;	970	_attach $registry, $klass, @attach;
582	}	971	}
583		972
584	$obj->{$name} = \%arg;	973	$obj->{$name} = \%arg;
585	} else {	974	} else {
586	warn "object uses attachment '$name' that is not available, postponing.\n";	975	warn "object uses attachment '$name' which is not available, postponing.\n";
587	}	976	}
588		977
589	$obj->{_attachment}{$name} = undef;	978	$obj->{_attachment}{$name} = undef;
590	}	979	}
591		980
…		…
593	if (ref $_[0]) {	982	if (ref $_[0]) {
594	_object_attach @_;	983	_object_attach @_;
595	} else {	984	} else {
596	_attach shift->_attach_registry, @_;	985	_attach shift->_attach_registry, @_;
597	}	986	}
		987	_recalc_want;
598	};	988	};
599		989
600	# all those should be optimised	990	# all those should be optimised
601	sub cf::attachable::detach {	991	sub cf::attachable::detach {
602	my ($obj, $name) = @_;	992	my ($obj, $name) = @_;
…		…
605	delete $obj->{_attachment}{$name};	995	delete $obj->{_attachment}{$name};
606	reattach ($obj);	996	reattach ($obj);
607	} else {	997	} else {
608	Carp::croak "cannot, currently, detach class attachments";	998	Carp::croak "cannot, currently, detach class attachments";
609	}	999	}
		1000	_recalc_want;
610	};	1001	};
611		1002
612	sub cf::attachable::attached {	1003	sub cf::attachable::attached {
613	my ($obj, $name) = @_;	1004	my ($obj, $name) = @_;
614		1005
…		…
629	";	1020	";
630	die if $@;	1021	die if $@;
631	}	1022	}
632		1023
633	our $override;	1024	our $override;
634	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1025	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
635		1026
636	sub override {	1027	sub override {
637	$override = 1;	1028	$override = 1;
638	@invoke_results = ();	1029	@INVOKE_RESULTS = (@_);
639	}	1030	}
640		1031
641	sub do_invoke {	1032	sub do_invoke {
642	my $event = shift;	1033	my $event = shift;
643	my $callbacks = shift;	1034	my $callbacks = shift;
644		1035
645	@invoke_results = ();	1036	@INVOKE_RESULTS = ();
646		1037
647	local $override;	1038	local $override;
648		1039
649	for (@$callbacks) {	1040	for (@$callbacks) {
650	eval { &{$_->[1]} };	1041	eval { &{$_->[1]} };
…		…
659	}	1050	}
660		1051
661	0	1052	0
662	}	1053	}
663		1054
664	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
665		1056
666	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1057	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
667		1058
668	Generate an object-specific event with the given arguments.	1059	Generate an object-specific event with the given arguments.
669		1060
670	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1061	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
671	removed in future versions), and there is no public API to access override	1062	removed in future versions), and there is no public API to access override
672	results (if you must, access C<@cf::invoke_results> directly).	1063	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
673		1064
674	=back	1065	=back
675		1066
676	=cut	1067	=cut
677		1068
678	#############################################################################	1069	#############################################################################
679	# object support	1070	# object support
		1071
		1072	sub _object_equal($$);
		1073	sub _object_equal($$) {
		1074	my ($a, $b) = @_;
		1075
		1076	return 0 unless (ref $a) eq (ref $b);
		1077
		1078	if ("HASH" eq ref $a) {
		1079	my @ka = keys %$a;
		1080	my @kb = keys %$b;
		1081
		1082	return 0 if @ka != @kb;
		1083
		1084	for (0 .. $#ka) {
		1085	return 0 unless $ka[$_] eq $kb[$_];
		1086	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1087	}
		1088
		1089	} elsif ("ARRAY" eq ref $a) {
		1090
		1091	return 0 if @$a != @$b;
		1092
		1093	for (0 .. $#$a) {
		1094	return 0 unless _object_equal $a->[$_], $b->[$_];
		1095	}
		1096
		1097	} elsif ($a ne $b) {
		1098	return 0;
		1099	}
		1100
		1101	1
		1102	}
		1103
		1104	our $SLOW_MERGES;#d#
		1105	sub _can_merge {
		1106	my ($ob1, $ob2) = @_;
		1107
		1108	++$SLOW_MERGES;#d#
		1109
		1110	# we do the slow way here
		1111	return _object_equal $ob1, $ob2
		1112	}
680		1113
681	sub reattach {	1114	sub reattach {
682	# basically do the same as instantiate, without calling instantiate	1115	# basically do the same as instantiate, without calling instantiate
683	my ($obj) = @_;	1116	my ($obj) = @_;
		1117
		1118	# no longer needed after getting rid of delete_package?
		1119	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
684		1120
685	my $registry = $obj->registry;	1121	my $registry = $obj->registry;
686		1122
687	@$registry = ();	1123	@$registry = ();
688		1124
…		…
703	cf::attachable->attach (	1139	cf::attachable->attach (
704	prio => -1000000,	1140	prio => -1000000,
705	on_instantiate => sub {	1141	on_instantiate => sub {
706	my ($obj, $data) = @_;	1142	my ($obj, $data) = @_;
707		1143
708	$data = from_json $data;	1144	$data = decode_json $data;
709		1145
710	for (@$data) {	1146	for (@$data) {
711	my ($name, $args) = @$_;	1147	my ($name, $args) = @$_;
712		1148
713	$obj->attach ($name, %{$args || {} });	1149	$obj->attach ($name, %{$args || {} });
…		…
729	sub object_freezer_save {	1165	sub object_freezer_save {
730	my ($filename, $rdata, $objs) = @_;	1166	my ($filename, $rdata, $objs) = @_;
731		1167
732	sync_job {	1168	sync_job {
733	if (length $$rdata) {	1169	if (length $$rdata) {
		1170	utf8::decode (my $decname = $filename);
734	warn sprintf "saving %s (%d,%d)\n",	1171	warn sprintf "saving %s (%d,%d)\n",
735	$filename, length $$rdata, scalar @$objs;	1172	$decname, length $$rdata, scalar @$objs;
736		1173
737	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1174	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
738	chmod SAVE_MODE, $fh;	1175	aio_chmod $fh, SAVE_MODE;
739	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1176	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
740	aio_fsync $fh;	1177	aio_fsync $fh if $cf::USE_FSYNC;
741	close $fh;	1178	aio_close $fh;
742		1179
743	if (@$objs) {	1180	if (@$objs) {
744	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1181	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
745	chmod SAVE_MODE, $fh;	1182	aio_chmod $fh, SAVE_MODE;
746	my $data = Storable::nfreeze { version => 1, objs => $objs };	1183	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
747	aio_write $fh, 0, (length $data), $data, 0;	1184	aio_write $fh, 0, (length $data), $data, 0;
748	aio_fsync $fh;	1185	aio_fsync $fh if $cf::USE_FSYNC;
749	close $fh;	1186	aio_close $fh;
750	aio_rename "$filename.pst~", "$filename.pst";	1187	aio_rename "$filename.pst~", "$filename.pst";
751	}	1188	}
752	} else {	1189	} else {
753	aio_unlink "$filename.pst";	1190	aio_unlink "$filename.pst";
754	}	1191	}
755		1192
756	aio_rename "$filename~", $filename;	1193	aio_rename "$filename~", $filename;
		1194
		1195	$filename =~ s%/[^/]+$%%;
		1196	aio_pathsync $filename if $cf::USE_FSYNC;
757	} else {	1197	} else {
758	warn "FATAL: $filename~: $!\n";	1198	warn "FATAL: $filename~: $!\n";
759	}	1199	}
760	} else {	1200	} else {
761	aio_unlink $filename;	1201	aio_unlink $filename;
762	aio_unlink "$filename.pst";	1202	aio_unlink "$filename.pst";
763	}	1203	}
764	}	1204	};
765	}	1205	}
766		1206
767	sub object_freezer_as_string {	1207	sub object_freezer_as_string {
768	my ($rdata, $objs) = @_;	1208	my ($rdata, $objs) = @_;
769		1209
…		…
781	or return;	1221	or return;
782		1222
783	unless (aio_stat "$filename.pst") {	1223	unless (aio_stat "$filename.pst") {
784	(aio_load "$filename.pst", $av) >= 0	1224	(aio_load "$filename.pst", $av) >= 0
785	or return;	1225	or return;
		1226
786	$av = eval { (Storable::thaw $av)->{objs} };	1227	my $st = eval { Coro::Storable::thaw $av };
		1228	$av = $st->{objs};
787	}	1229	}
788		1230
		1231	utf8::decode (my $decname = $filename);
789	warn sprintf "loading %s (%d)\n",	1232	warn sprintf "loading %s (%d,%d)\n",
790	$filename, length $data, scalar @{$av || []};#d#	1233	$decname, length $data, scalar @{$av || []};
		1234
791	return ($data, $av);	1235	($data, $av)
792	}	1236	}
		1237
		1238	=head2 COMMAND CALLBACKS
		1239
		1240	=over 4
		1241
		1242	=cut
793		1243
794	#############################################################################	1244	#############################################################################
795	# command handling &c	1245	# command handling &c
796		1246
797	=item cf::register_command $name => \&callback($ob,$args);	1247	=item cf::register_command $name => \&callback($ob,$args);
…		…
810	push @{ $COMMAND{$name} }, [$caller, $cb];	1260	push @{ $COMMAND{$name} }, [$caller, $cb];
811	}	1261	}
812		1262
813	=item cf::register_extcmd $name => \&callback($pl,$packet);	1263	=item cf::register_extcmd $name => \&callback($pl,$packet);
814		1264
815	Register a callbackf ro execution when the client sends an extcmd packet.	1265	Register a callback for execution when the client sends an (synchronous)
		1266	extcmd packet. Ext commands will be processed in the order they are
		1267	received by the server, like other user commands. The first argument is
		1268	the logged-in player. Ext commands can only be processed after a player
		1269	has logged in successfully.
816		1270
817	If the callback returns something, it is sent back as if reply was being	1271	If the callback returns something, it is sent back as if reply was being
818	called.	1272	called.
819		1273
		1274	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1275
		1276	Register a callback for execution when the client sends an (asynchronous)
		1277	exticmd packet. Exti commands are processed by the server as soon as they
		1278	are received, i.e. out of order w.r.t. other commands. The first argument
		1279	is a client socket. Exti commands can be received anytime, even before
		1280	log-in.
		1281
		1282	If the callback returns something, it is sent back as if reply was being
		1283	called.
		1284
820	=cut	1285	=cut
821		1286
822	sub register_extcmd {	1287	sub register_extcmd {
823	my ($name, $cb) = @_;	1288	my ($name, $cb) = @_;
824		1289
825	$EXTCMD{$name} = $cb;	1290	$EXTCMD{$name} = $cb;
826	}	1291	}
		1292
		1293	sub register_exticmd {
		1294	my ($name, $cb) = @_;
		1295
		1296	$EXTICMD{$name} = $cb;
		1297	}
		1298
		1299	use File::Glob ();
827		1300
828	cf::player->attach (	1301	cf::player->attach (
829	on_command => sub {	1302	on_command => sub {
830	my ($pl, $name, $params) = @_;	1303	my ($pl, $name, $params) = @_;
831		1304
…		…
839	cf::override;	1312	cf::override;
840	},	1313	},
841	on_extcmd => sub {	1314	on_extcmd => sub {
842	my ($pl, $buf) = @_;	1315	my ($pl, $buf) = @_;
843		1316
844	my $msg = eval { from_json $buf };	1317	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
845		1318
846	if (ref $msg) {	1319	if (ref $msg) {
		1320	my ($type, $reply, @payload) =
		1321	"ARRAY" eq ref $msg
		1322	? @$msg
		1323	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1324
		1325	my @reply;
		1326
847	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1327	if (my $cb = $EXTCMD{$type}) {
848	if (my %reply = $cb->($pl, $msg)) {	1328	@reply = $cb->($pl, @payload);
849	$pl->ext_reply ($msg->{msgid}, %reply);
850	}
851	}	1329	}
		1330
		1331	$pl->ext_reply ($reply, @reply)
		1332	if $reply;
		1333
852	} else {	1334	} else {
853	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1335	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
854	}	1336	}
855		1337
856	cf::override;	1338	cf::override;
857	},	1339	},
858	);	1340	);
859		1341
		1342	# "readahead" all extensions
860	sub load_extension {	1343	sub cache_extensions {
861	my ($path) = @_;	1344	my $grp = IO::AIO::aio_group;
862		1345
863	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1346	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
864	my $base = $1;	1347	for (grep /\.ext$/, @{$_[0]}) {
865	my $pkg = $1;	1348	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
866	$pkg =~ s/[^[:word:]]/_/g;
867	$pkg = "ext::$pkg";
868
869	warn "... loading '$path' into '$pkg'\n";
870
871	open my $fh, "<:utf8", $path
872	or die "$path: $!";
873
874	my $source =
875	"package $pkg; use strict; use utf8;\n"
876	. "#line 1 \"$path\"\n{\n"
877	. (do { local $/; <$fh> })
878	. "\n};\n1";
879
880	unless (eval $source) {
881	my $msg = $@ ? "$path: $@\n"
882	: "extension disabled.\n";
883	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
884	warn $@;
885	warn "mandatory extension failed to load, exiting.\n";
886	exit 1;
887	}	1349	}
888	die $@;
889	}	1350	};
890		1351
891	push @EXTS, $pkg;	1352	$grp
892	}	1353	}
893		1354
894	sub load_extensions {	1355	sub load_extensions {
		1356	cf::sync_job {
		1357	my %todo;
		1358
895	for my $ext (<$LIBDIR/*.ext>) {	1359	for my $path (<$LIBDIR/*.ext>) {
896	next unless -r $ext;	1360	next unless -r $path;
897	eval {	1361
898	load_extension $ext;	1362	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1363	my $base = $1;
		1364	my $pkg = $1;
		1365	$pkg =~ s/[^[:word:]]/_/g;
		1366	$pkg = "ext::$pkg";
		1367
		1368	open my $fh, "<:utf8", $path
		1369	or die "$path: $!";
		1370
		1371	my $source = do { local $/; <$fh> };
		1372
		1373	my %ext = (
		1374	path => $path,
		1375	base => $base,
		1376	pkg => $pkg,
		1377	);
		1378
		1379	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1380	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1381
		1382	$ext{source} =
		1383	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1384	. "#line 1 \"$path\"\n{\n"
		1385	. $source
		1386	. "\n};\n1";
		1387
		1388	$todo{$base} = \%ext;
		1389	}
		1390
		1391	my %done;
		1392	while (%todo) {
		1393	my $progress;
		1394
		1395	while (my ($k, $v) = each %todo) {
		1396	for (split /,\s*/, $v->{meta}{depends}) {
		1397	goto skip
		1398	unless exists $done{$_};
		1399	}
		1400
		1401	warn "... loading '$k' into '$v->{pkg}'\n";
		1402
		1403	unless (eval $v->{source}) {
		1404	my $msg = $@ ? "$v->{path}: $@\n"
		1405	: "$v->{base}: extension inactive.\n";
		1406
		1407	if (exists $v->{meta}{mandatory}) {
		1408	warn $msg;
		1409	cf::cleanup "mandatory extension failed to load, exiting.";
		1410	}
		1411
		1412	warn $msg;
		1413	}
		1414
		1415	$done{$k} = delete $todo{$k};
		1416	push @EXTS, $v->{pkg};
		1417	$progress = 1;
899	1	1418	}
900	} or warn "$ext not loaded: $@";	1419
		1420	skip:
		1421	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1422	unless $progress;
		1423	}
901	}	1424	};
902	}	1425	}
903		1426
904	#############################################################################	1427	#############################################################################
905	# load/save/clean perl data associated with a map
906		1428
907	*cf::mapsupport::on_clean = sub {	1429	=back
908	my ($map) = @_;
909
910	my $path = $map->tmpname;
911	defined $path or return;
912
913	unlink "$path.pst";
914	};
915
916	cf::map->attach (prio => -10000, package => cf::mapsupport::);
917
918	#############################################################################
919		1430
920	=head2 CORE EXTENSIONS	1431	=head2 CORE EXTENSIONS
921		1432
922	Functions and methods that extend core crossfire objects.	1433	Functions and methods that extend core deliantra objects.
923		1434
924	=cut	1435	=cut
925		1436
926	package cf::player;	1437	package cf::player;
927		1438
…		…
929		1440
930	=head3 cf::player	1441	=head3 cf::player
931		1442
932	=over 4	1443	=over 4
933		1444
		1445	=item cf::player::num_playing
		1446
		1447	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1448
		1449	=cut
		1450
		1451	sub num_playing {
		1452	scalar grep
		1453	$_->ob->map
		1454	&& !$_->hidden
		1455	&& !$_->ob->flag (cf::FLAG_WIZ),
		1456	cf::player::list
		1457	}
		1458
934	=item cf::player::find $login	1459	=item cf::player::find $login
935		1460
936	Returns the given player object, loading it if necessary (might block).	1461	Returns the given player object, loading it if necessary (might block).
937		1462
938	=cut	1463	=cut
939		1464
940	sub playerdir($) {	1465	sub playerdir($) {
941	cf::localdir	1466	"$PLAYERDIR/"
942	. "/"
943	. cf::playerdir
944	. "/"
945	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1467	. (ref $_[0] ? $_[0]->ob->name : $_[0])
946	}	1468	}
947		1469
948	sub path($) {	1470	sub path($) {
949	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1471	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
950		1472
951	(playerdir $login) . "/$login.pl"	1473	(playerdir $login) . "/playerdata"
952	}	1474	}
953		1475
954	sub find_active($) {	1476	sub find_active($) {
955	$cf::PLAYER{$_[0]}	1477	$cf::PLAYER{$_[0]}
956	and $cf::PLAYER{$_[0]}->active	1478	and $cf::PLAYER{$_[0]}->active
…		…
959		1481
960	sub exists($) {	1482	sub exists($) {
961	my ($login) = @_;	1483	my ($login) = @_;
962		1484
963	$cf::PLAYER{$login}	1485	$cf::PLAYER{$login}
964	or cf::sync_job { !aio_stat $login }	1486	or !aio_stat path $login
965	}	1487	}
966		1488
967	sub find($) {	1489	sub find($) {
968	return $cf::PLAYER{$_[0]} || do {	1490	return $cf::PLAYER{$_[0]} || do {
969	my $login = $_[0];	1491	my $login = $_[0];
970		1492
971	my $guard = cf::lock_acquire "user_find:$login";	1493	my $guard = cf::lock_acquire "user_find:$login";
972		1494
973	$cf::PLAYER{$_[0]} || do {	1495	$cf::PLAYER{$_[0]} || do {
974	my $pl = load_pl path $login	1496	# rename old playerfiles to new ones
		1497	#TODO: remove when no longer required
		1498	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1499	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1500	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1501	aio_unlink +(playerdir $login) . "/$login.pl";
		1502
		1503	my $f = new_from_file cf::object::thawer path $login
975	or return;	1504	or return;
		1505
		1506	my $pl = cf::player::load_pl $f
		1507	or return;
		1508
		1509	local $cf::PLAYER_LOADING{$login} = $pl;
		1510	$f->resolve_delayed_derefs;
976	$cf::PLAYER{$login} = $pl	1511	$cf::PLAYER{$login} = $pl
977	}	1512	}
978	}	1513	}
979	}	1514	}
980		1515
…		…
989	return if $pl->{deny_save};	1524	return if $pl->{deny_save};
990		1525
991	aio_mkdir playerdir $pl, 0770;	1526	aio_mkdir playerdir $pl, 0770;
992	$pl->{last_save} = $cf::RUNTIME;	1527	$pl->{last_save} = $cf::RUNTIME;
993		1528
		1529	cf::get_slot 0.01;
		1530
994	$pl->save_pl ($path);	1531	$pl->save_pl ($path);
995	Coro::cede;	1532	cf::cede_to_tick;
996	}	1533	}
997		1534
998	sub new($) {	1535	sub new($) {
999	my ($login) = @_;	1536	my ($login) = @_;
1000		1537
…		…
1006	$cf::PLAYER{$login} = $self;	1543	$cf::PLAYER{$login} = $self;
1007		1544
1008	$self	1545	$self
1009	}	1546	}
1010		1547
		1548	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1549
		1550	=cut
		1551
		1552	sub send_msg {
		1553	my $ns = shift->ns
		1554	or return;
		1555	$ns->send_msg (@_);
		1556	}
		1557
1011	=item $pl->quit_character	1558	=item $pl->quit_character
1012		1559
1013	Nukes the player without looking back. If logged in, the connection will	1560	Nukes the player without looking back. If logged in, the connection will
1014	be destroyed. May block for a long time.	1561	be destroyed. May block for a long time.
1015		1562
1016	=cut	1563	=cut
1017		1564
1018	sub quit_character {	1565	sub quit_character {
1019	my ($pl) = @_;	1566	my ($pl) = @_;
1020		1567
		1568	my $name = $pl->ob->name;
		1569
1021	$pl->{deny_save} = 1;	1570	$pl->{deny_save} = 1;
1022	$pl->password ("*"); # this should lock out the player until we nuked the dir	1571	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1023		1572
1024	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1573	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1025	$pl->deactivate;	1574	$pl->deactivate;
		1575	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1576	$pl->ob->check_score;
1026	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1577	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1027	$pl->ns->destroy if $pl->ns;	1578	$pl->ns->destroy if $pl->ns;
1028		1579
1029	my $path = playerdir $pl;	1580	my $path = playerdir $pl;
1030	my $temp = "$path~$cf::RUNTIME~deleting~";	1581	my $temp = "$path~$cf::RUNTIME~deleting~";
1031	aio_rename $path, $temp;	1582	aio_rename $path, $temp;
1032	delete $cf::PLAYER{$pl->ob->name};	1583	delete $cf::PLAYER{$pl->ob->name};
1033	$pl->destroy;	1584	$pl->destroy;
		1585
		1586	my $prefix = qr<^~\Q$name\E/>;
		1587
		1588	# nuke player maps
		1589	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1590
1034	IO::AIO::aio_rmtree $temp;	1591	IO::AIO::aio_rmtree $temp;
		1592	}
		1593
		1594	=item $pl->kick
		1595
		1596	Kicks a player out of the game. This destroys the connection.
		1597
		1598	=cut
		1599
		1600	sub kick {
		1601	my ($pl, $kicker) = @_;
		1602
		1603	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1604	$pl->killer ("kicked");
		1605	$pl->ns->destroy;
1035	}	1606	}
1036		1607
1037	=item cf::player::list_logins	1608	=item cf::player::list_logins
1038		1609
1039	Returns am arrayref of all valid playernames in the system, can take a	1610	Returns am arrayref of all valid playernames in the system, can take a
1040	while and may block, so not sync_job-capable, ever.	1611	while and may block, so not sync_job-capable, ever.
1041		1612
1042	=cut	1613	=cut
1043		1614
1044	sub list_logins {	1615	sub list_logins {
1045	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1616	my $dirs = aio_readdir $PLAYERDIR
1046	or return [];	1617	or return [];
1047		1618
1048	my @logins;	1619	my @logins;
1049		1620
1050	for my $login (@$dirs) {	1621	for my $login (@$dirs) {
		1622	my $path = path $login;
		1623
		1624	# a .pst is a dead give-away for a valid player
		1625	# if no pst file found, open and chekc for blocked users
		1626	if (aio_stat "$path.pst") {
1051	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1627	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1052	aio_read $fh, 0, 512, my $buf, 0 or next;	1628	aio_read $fh, 0, 512, my $buf, 0 or next;
1053	$buf !~ /^password -------------$/m or next; # official not-valid tag	1629	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1630	}
1054		1631
1055	utf8::decode $login;	1632	utf8::decode $login;
1056	push @logins, $login;	1633	push @logins, $login;
1057	}	1634	}
1058		1635
…		…
1066		1643
1067	=cut	1644	=cut
1068		1645
1069	sub maps($) {	1646	sub maps($) {
1070	my ($pl) = @_;	1647	my ($pl) = @_;
		1648
		1649	$pl = ref $pl ? $pl->ob->name : $pl;
1071		1650
1072	my $files = aio_readdir playerdir $pl	1651	my $files = aio_readdir playerdir $pl
1073	or return;	1652	or return;
1074		1653
1075	my @paths;	1654	my @paths;
…		…
1077	for (@$files) {	1656	for (@$files) {
1078	utf8::decode $_;	1657	utf8::decode $_;
1079	next if /\.(?:pl|pst)$/;	1658	next if /\.(?:pl|pst)$/;
1080	next unless /^$PATH_SEP/o;	1659	next unless /^$PATH_SEP/o;
1081		1660
1082	push @paths, "~" . $pl->ob->name . "/" . $_;	1661	push @paths, cf::map::normalise "~$pl/$_";
1083	}	1662	}
1084		1663
1085	\@paths	1664	\@paths
1086	}	1665	}
1087		1666
		1667	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1668
		1669	Expand deliantra pod fragments into protocol xml.
		1670
1088	=item $player->ext_reply ($msgid, $msgtype, %msg)	1671	=item $player->ext_reply ($msgid, @msg)
1089		1672
1090	Sends an ext reply to the player.	1673	Sends an ext reply to the player.
1091		1674
1092	=cut	1675	=cut
1093		1676
1094	sub ext_reply($$$%) {	1677	sub ext_reply($$@) {
1095	my ($self, $id, %msg) = @_;	1678	my ($self, $id, @msg) = @_;
1096		1679
1097	$msg{msgid} = $id;	1680	$self->ns->ext_reply ($id, @msg)
1098
1099	$self->send ("ext " . cf::to_json \%msg);
1100	}	1681	}
1101		1682
1102	package cf;	1683	=item $player->ext_msg ($type, @msg)
		1684
		1685	Sends an ext event to the client.
		1686
		1687	=cut
		1688
		1689	sub ext_msg($$@) {
		1690	my ($self, $type, @msg) = @_;
		1691
		1692	$self->ns->ext_msg ($type, @msg);
		1693	}
		1694
		1695	=head3 cf::region
		1696
		1697	=over 4
		1698
		1699	=cut
		1700
		1701	package cf::region;
		1702
		1703	=item cf::region::find_by_path $path
		1704
		1705	Tries to decuce the likely region for a map knowing only its path.
		1706
		1707	=cut
		1708
		1709	sub find_by_path($) {
		1710	my ($path) = @_;
		1711
		1712	my ($match, $specificity);
		1713
		1714	for my $region (list) {
		1715	if ($region->{match} && $path =~ $region->{match}) {
		1716	($match, $specificity) = ($region, $region->specificity)
		1717	if $region->specificity > $specificity;
		1718	}
		1719	}
		1720
		1721	$match
		1722	}
1103		1723
1104	=back	1724	=back
1105
1106		1725
1107	=head3 cf::map	1726	=head3 cf::map
1108		1727
1109	=over 4	1728	=over 4
1110		1729
…		…
1114		1733
1115	use Fcntl;	1734	use Fcntl;
1116	use Coro::AIO;	1735	use Coro::AIO;
1117		1736
1118	use overload	1737	use overload
1119	'""' => \&as_string;	1738	'""' => \&as_string,
		1739	fallback => 1;
1120		1740
1121	our $MAX_RESET = 3600;	1741	our $MAX_RESET = 3600;
1122	our $DEFAULT_RESET = 3000;	1742	our $DEFAULT_RESET = 3000;
1123		1743
1124	sub generate_random_map {	1744	sub generate_random_map {
1125	my ($self, $rmp) = @_;	1745	my ($self, $rmp) = @_;
		1746
		1747	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1126		1748
1127	# mit "rum" bekleckern, nicht	1749	# mit "rum" bekleckern, nicht
1128	$self->_create_random_map (	1750	$self->_create_random_map (
1129	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1751	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1130	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1752	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
…		…
1138	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1760	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1139	(cf::region::find $rmp->{region}), $rmp->{custom}	1761	(cf::region::find $rmp->{region}), $rmp->{custom}
1140	)	1762	)
1141	}	1763	}
1142		1764
		1765	=item cf::map->register ($regex, $prio)
		1766
		1767	Register a handler for the map path matching the given regex at the
		1768	givne priority (higher is better, built-in handlers have priority 0, the
		1769	default).
		1770
		1771	=cut
		1772
1143	sub register {	1773	sub register {
1144	my (undef, $regex) = @_;	1774	my (undef, $regex, $prio) = @_;
1145	my $pkg = caller;	1775	my $pkg = caller;
1146		1776
1147	no strict;	1777	no strict;
1148	push @{"$pkg\::ISA"}, __PACKAGE__;	1778	push @{"$pkg\::ISA"}, __PACKAGE__;
1149		1779
1150	$EXT_MAP{$pkg} = qr<$regex>;	1780	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1151	}	1781	}
1152		1782
1153	# also paths starting with '/'	1783	# also paths starting with '/'
1154	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1784	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1785
		1786	sub thawer_merge {
		1787	my ($self, $merge) = @_;
		1788
		1789	# we have to keep some variables in memory intact
		1790	local $self->{path};
		1791	local $self->{load_path};
		1792
		1793	$self->SUPER::thawer_merge ($merge);
		1794	}
1155		1795
1156	sub normalise {	1796	sub normalise {
1157	my ($path, $base) = @_;	1797	my ($path, $base) = @_;
		1798
		1799	$path = "$path"; # make sure its a string
		1800
		1801	$path =~ s/\.map$//;
1158		1802
1159	# map plan:	1803	# map plan:
1160	#	1804	#
1161	# /! non-realised random map exit (special hack!)	1805	# /! non-realised random map exit (special hack!)
1162	# {... are special paths that are not being touched	1806	# {... are special paths that are not being touched
…		…
1190		1834
1191	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1835	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1192		1836
1193	$path = normalise $path, $base;	1837	$path = normalise $path, $base;
1194		1838
1195	for my $pkg (keys %EXT_MAP) {	1839	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1196	if ($path =~ $EXT_MAP{$pkg}) {	1840	if ($path =~ $EXT_MAP{$pkg}[1]) {
1197	my $self = bless cf::map::new, $pkg;	1841	my $self = bless cf::map::new, $pkg;
1198	$self->{path} = $path; $self->path ($path);	1842	$self->{path} = $path; $self->path ($path);
1199	$self->init; # pass $1 etc.	1843	$self->init; # pass $1 etc.
1200	return $self;	1844	return $self;
1201	}	1845	}
1202	}	1846	}
1203		1847
1204	Carp::carp "unable to resolve path '$path'.";	1848	Carp::cluck "unable to resolve path '$path' (base '$base').";
1205	()	1849	()
1206	}	1850	}
1207		1851
1208	sub init {	1852	sub init {
1209	my ($self) = @_;	1853	my ($self) = @_;
…		…
1220	# the displayed name, this is a one way mapping	1864	# the displayed name, this is a one way mapping
1221	sub visible_name {	1865	sub visible_name {
1222	&as_string	1866	&as_string
1223	}	1867	}
1224		1868
1225	# escape the /'s in the path
1226	sub _escaped_path {
1227	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1228
1229	$path
1230	}
1231
1232	# the original (read-only) location	1869	# the original (read-only) location
1233	sub load_path {	1870	sub load_path {
1234	my ($self) = @_;	1871	my ($self) = @_;
1235		1872
1236	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1873	"$MAPDIR/$self->{path}.map"
1237	}	1874	}
1238		1875
1239	# the temporary/swap location	1876	# the temporary/swap location
1240	sub save_path {	1877	sub save_path {
1241	my ($self) = @_;	1878	my ($self) = @_;
1242		1879
1243	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $self->_escaped_path	1880	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1881	"$TMPDIR/$path.map"
1244	}	1882	}
1245		1883
1246	# the unique path, undef == no special unique path	1884	# the unique path, undef == no special unique path
1247	sub uniq_path {	1885	sub uniq_path {
1248	my ($self) = @_;	1886	my ($self) = @_;
1249		1887
1250	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path	1888	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1889	"$UNIQUEDIR/$path"
1251	}	1890	}
1252		1891
1253	# and all this just because we cannot iterate over	1892	# and all this just because we cannot iterate over
1254	# all maps in C++...	1893	# all maps in C++...
1255	sub change_all_map_light {	1894	sub change_all_map_light {
…		…
1257		1896
1258	$_->change_map_light ($change)	1897	$_->change_map_light ($change)
1259	for grep $_->outdoor, values %cf::MAP;	1898	for grep $_->outdoor, values %cf::MAP;
1260	}	1899	}
1261		1900
		1901	sub decay_objects {
		1902	my ($self) = @_;
		1903
		1904	return if $self->{deny_reset};
		1905
		1906	$self->do_decay_objects;
		1907	}
		1908
1262	sub unlink_save {	1909	sub unlink_save {
1263	my ($self) = @_;	1910	my ($self) = @_;
1264		1911
1265	utf8::encode (my $save = $self->save_path);	1912	utf8::encode (my $save = $self->save_path);
1266	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1913	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1267	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1914	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1268	}	1915	}
1269		1916
1270	sub load_header_from($) {	1917	sub load_header_from($) {
1271	my ($self, $path) = @_;	1918	my ($self, $path) = @_;
1272		1919
1273	utf8::encode $path;	1920	utf8::encode $path;
1274	aio_open $path, O_RDONLY, 0	1921	my $f = new_from_file cf::object::thawer $path
1275	or return;	1922	or return;
1276		1923
1277	$self->_load_header ($path)	1924	$self->_load_header ($f)
1278	or return;	1925	or return;
1279		1926
		1927	local $MAP_LOADING{$self->{path}} = $self;
		1928	$f->resolve_delayed_derefs;
		1929
1280	$self->{load_path} = $path;	1930	$self->{load_path} = $path;
1281		1931
1282	1	1932	1
1283	}	1933	}
1284		1934
1285	sub load_orig {	1935	sub load_header_orig {
1286	my ($self) = @_;	1936	my ($self) = @_;
1287		1937
1288	$self->load_header_from ($self->load_path)	1938	$self->load_header_from ($self->load_path)
1289	}	1939	}
1290		1940
1291	sub load_temp {	1941	sub load_header_temp {
1292	my ($self) = @_;	1942	my ($self) = @_;
1293		1943
1294	$self->load_header_from ($self->save_path)	1944	$self->load_header_from ($self->save_path)
		1945	}
		1946
		1947	sub prepare_temp {
		1948	my ($self) = @_;
		1949
		1950	$self->last_access ((delete $self->{last_access})
		1951	|| $cf::RUNTIME); #d#
		1952	# safety
		1953	$self->{instantiate_time} = $cf::RUNTIME
		1954	if $self->{instantiate_time} > $cf::RUNTIME;
		1955	}
		1956
		1957	sub prepare_orig {
		1958	my ($self) = @_;
		1959
		1960	$self->{load_original} = 1;
		1961	$self->{instantiate_time} = $cf::RUNTIME;
		1962	$self->last_access ($cf::RUNTIME);
		1963	$self->instantiate;
1295	}	1964	}
1296		1965
1297	sub load_header {	1966	sub load_header {
1298	my ($self) = @_;	1967	my ($self) = @_;
1299		1968
1300	if ($self->load_temp) {	1969	if ($self->load_header_temp) {
1301	$self->last_access ((delete $self->{last_access})	1970	$self->prepare_temp;
1302	|| $cf::RUNTIME); #d#
1303	# safety
1304	$self->{instantiate_time} = $cf::RUNTIME
1305	if $self->{instantiate_time} > $cf::RUNTIME;
1306	} else {	1971	} else {
1307	$self->load_orig	1972	$self->load_header_orig
1308	or return;	1973	or return;
1309		1974	$self->prepare_orig;
1310	$self->{load_original} = 1;
1311	$self->{instantiate_time} = $cf::RUNTIME;
1312	$self->last_access ($cf::RUNTIME);
1313	$self->instantiate;
1314	}	1975	}
		1976
		1977	$self->{deny_reset} = 1
		1978	if $self->no_reset;
		1979
		1980	$self->default_region (cf::region::find_by_path $self->{path})
		1981	unless $self->default_region;
1315		1982
1316	1	1983	1
1317	}	1984	}
1318		1985
1319	sub find;	1986	sub find;
1320	sub find {	1987	sub find {
1321	my ($path, $origin) = @_;	1988	my ($path, $origin) = @_;
1322		1989
1323	$path = normalise $path, $origin && $origin->path;	1990	$path = normalise $path, $origin && $origin->path;
1324		1991
		1992	cf::lock_wait "map_data:$path";#d#remove
1325	cf::lock_wait "map_find:$path";	1993	cf::lock_wait "map_find:$path";
1326		1994
1327	$cf::MAP{$path} || do {	1995	$cf::MAP{$path} || do {
		1996	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1328	my $guard = cf::lock_acquire "map_find:$path";	1997	my $guard2 = cf::lock_acquire "map_find:$path";
		1998
1329	my $map = new_from_path cf::map $path	1999	my $map = new_from_path cf::map $path
1330	or return;	2000	or return;
1331		2001
1332	$map->{last_save} = $cf::RUNTIME;	2002	$map->{last_save} = $cf::RUNTIME;
1333		2003
1334	$map->load_header	2004	$map->load_header
1335	or return;	2005	or return;
1336		2006
1337	if ($map->should_reset) {	2007	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2008	# doing this can freeze the server in a sync job, obviously
		2009	#$cf::WAIT_FOR_TICK->wait;
		2010	undef $guard2;
		2011	undef $guard1;
1338	$map->reset;	2012	$map->reset;
1339	undef $guard;
1340	$map = find $path	2013	return find $path;
1341	or return;
1342	}	2014	}
1343		2015
1344	$cf::MAP{$path} = $map	2016	$cf::MAP{$path} = $map
1345	}	2017	}
1346	}	2018	}
		2019
		2020	sub pre_load { }
		2021	sub post_load { }
1347		2022
1348	sub load {	2023	sub load {
1349	my ($self) = @_;	2024	my ($self) = @_;
1350		2025
		2026	local $self->{deny_reset} = 1; # loading can take a long time
		2027
1351	my $path = $self->{path};	2028	my $path = $self->{path};
		2029
		2030	{
1352	my $guard = cf::lock_acquire "map_load:$path";	2031	my $guard = cf::lock_acquire "map_data:$path";
1353		2032
		2033	return unless $self->valid;
1354	return if $self->in_memory != cf::MAP_SWAPPED;	2034	return unless $self->in_memory == cf::MAP_SWAPPED;
1355		2035
1356	$self->in_memory (cf::MAP_LOADING);	2036	$self->in_memory (cf::MAP_LOADING);
1357		2037
1358	$self->alloc;	2038	$self->alloc;
1359	$self->_load_objects ($self->{load_path}, 1)	2039
		2040	$self->pre_load;
		2041	cf::cede_to_tick;
		2042
		2043	my $f = new_from_file cf::object::thawer $self->{load_path};
		2044	$f->skip_block;
		2045	$self->_load_objects ($f)
1360	or return;	2046	or return;
1361		2047
1362	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2048	$self->post_load_original
1363	if delete $self->{load_original};	2049	if delete $self->{load_original};
1364		2050
1365	if (my $uniq = $self->uniq_path) {	2051	if (my $uniq = $self->uniq_path) {
1366	utf8::encode $uniq;	2052	utf8::encode $uniq;
1367	if (aio_open $uniq, O_RDONLY, 0) {	2053	unless (aio_stat $uniq) {
		2054	if (my $f = new_from_file cf::object::thawer $uniq) {
1368	$self->clear_unique_items;	2055	$self->clear_unique_items;
1369	$self->_load_objects ($uniq, 0);	2056	$self->_load_objects ($f);
		2057	$f->resolve_delayed_derefs;
		2058	}
1370	}	2059	}
1371	}	2060	}
1372		2061
1373	Coro::cede;	2062	$f->resolve_delayed_derefs;
1374		2063
		2064	cf::cede_to_tick;
1375	# now do the right thing for maps	2065	# now do the right thing for maps
1376	$self->link_multipart_objects;	2066	$self->link_multipart_objects;
1377
1378	unless ($self->{deny_activate}) {
1379	$self->decay_objects;
1380	$self->fix_auto_apply;
1381	$self->update_buttons;
1382	Coro::cede;
1383	$self->set_darkness_map;
1384	$self->difficulty ($self->estimate_difficulty)	2067	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	2068	unless $self->difficulty;
1386	Coro::cede;	2069	cf::cede_to_tick;
		2070
		2071	unless ($self->{deny_activate}) {
		2072	$self->decay_objects;
		2073	$self->fix_auto_apply;
		2074	$self->update_buttons;
		2075	cf::cede_to_tick;
		2076	$self->set_darkness_map;
		2077	cf::cede_to_tick;
1387	$self->activate;	2078	$self->activate;
1388	}	2079	}
1389		2080
		2081	$self->{last_save} = $cf::RUNTIME;
		2082	$self->last_access ($cf::RUNTIME);
		2083
1390	$self->in_memory (cf::MAP_IN_MEMORY);	2084	$self->in_memory (cf::MAP_ACTIVE);
		2085	}
		2086
		2087	$self->post_load;
1391	}	2088	}
1392		2089
1393	sub customise_for {	2090	sub customise_for {
1394	my ($self, $ob) = @_;	2091	my ($self, $ob) = @_;
1395		2092
1396	return find "~" . $ob->name . "/" . $self->{path}	2093	return find "~" . $ob->name . "/" . $self->{path}
1397	if $self->per_player;	2094	if $self->per_player;
1398		2095
		2096	# return find "?party/" . $ob->name . "/" . $self->{path}
		2097	# if $self->per_party;
		2098
1399	$self	2099	$self
1400	}	2100	}
1401		2101
1402	# find and load all maps in the 3x3 area around a map	2102	# find and load all maps in the 3x3 area around a map
1403	sub load_diag {	2103	sub load_neighbours {
1404	my ($map) = @_;	2104	my ($map) = @_;
1405		2105
1406	my @diag; # diagonal neighbours	2106	my @neigh; # diagonal neighbours
1407		2107
1408	for (0 .. 3) {	2108	for (0 .. 3) {
1409	my $neigh = $map->tile_path ($_)	2109	my $neigh = $map->tile_path ($_)
1410	or next;	2110	or next;
1411	$neigh = find $neigh, $map	2111	$neigh = find $neigh, $map
1412	or next;	2112	or next;
1413	$neigh->load;	2113	$neigh->load;
1414		2114
		2115	push @neigh,
1415	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2116	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1416	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2117	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1417	}	2118	}
1418		2119
1419	for (@diag) {	2120	for (grep defined $_->[0], @neigh) {
		2121	my ($path, $origin) = @$_;
1420	my $neigh = find @$_	2122	my $neigh = find $path, $origin
1421	or next;	2123	or next;
1422	$neigh->load;	2124	$neigh->load;
1423	}	2125	}
1424	}	2126	}
1425		2127
…		…
1430	}	2132	}
1431		2133
1432	sub do_load_sync {	2134	sub do_load_sync {
1433	my ($map) = @_;	2135	my ($map) = @_;
1434		2136
		2137	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2138	if $Coro::current == $Coro::main;
		2139
1435	cf::sync_job { $map->load };	2140	cf::sync_job { $map->load };
1436	}	2141	}
1437		2142
1438	our %MAP_PREFETCH;	2143	our %MAP_PREFETCH;
1439	our $MAP_PREFETCHER = Coro::async {	2144	our $MAP_PREFETCHER = undef;
1440	while () {
1441	for my $path (keys %MAP_PREFETCH) {
1442	my $map = find $path
1443	or next;
1444	$map->load;
1445
1446	delete $MAP_PREFETCH{$path};
1447	}
1448	Coro::schedule;
1449	}
1450	};
1451		2145
1452	sub find_async {	2146	sub find_async {
1453	my ($path, $origin) = @_;	2147	my ($path, $origin, $load) = @_;
1454		2148
1455	$path = normalise $path, $origin && $origin->{path};	2149	$path = normalise $path, $origin && $origin->{path};
1456		2150
1457	if (my $map = $cf::MAP{$path}) {	2151	if (my $map = $cf::MAP{$path}) {
1458	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2152	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2153	}
		2154
		2155	$MAP_PREFETCH{$path} |= $load;
		2156
		2157	$MAP_PREFETCHER ||= cf::async {
		2158	$Coro::current->{desc} = "map prefetcher";
		2159
		2160	while (%MAP_PREFETCH) {
		2161	while (my ($k, $v) = each %MAP_PREFETCH) {
		2162	if (my $map = find $k) {
		2163	$map->load if $v;
		2164	}
		2165
		2166	delete $MAP_PREFETCH{$k};
		2167	}
		2168	}
		2169	undef $MAP_PREFETCHER;
1459	}	2170	};
1460
1461	$MAP_PREFETCH{$path} = 0;
1462	$MAP_PREFETCHER->ready;	2171	$MAP_PREFETCHER->prio (6);
1463		2172
1464	()	2173	()
1465	}	2174	}
1466		2175
1467	sub save {	2176	sub save {
1468	my ($self) = @_;	2177	my ($self) = @_;
1469		2178
1470	my $lock = cf::lock_acquire "map_data:" . $self->path;	2179	my $lock = cf::lock_acquire "map_data:$self->{path}";
1471		2180
1472	$self->{last_save} = $cf::RUNTIME;	2181	$self->{last_save} = $cf::RUNTIME;
1473		2182
1474	return unless $self->dirty;	2183	return unless $self->dirty;
1475		2184
…		…
1481	return if $self->{deny_save};	2190	return if $self->{deny_save};
1482		2191
1483	local $self->{last_access} = $self->last_access;#d#	2192	local $self->{last_access} = $self->last_access;#d#
1484		2193
1485	cf::async {	2194	cf::async {
		2195	$Coro::current->{desc} = "map player save";
1486	$_->contr->save for $self->players;	2196	$_->contr->save for $self->players;
1487	};	2197	};
		2198
		2199	cf::get_slot 0.02;
1488		2200
1489	if ($uniq) {	2201	if ($uniq) {
1490	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2202	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1491	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2203	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1492	} else {	2204	} else {
…		…
1498	my ($self) = @_;	2210	my ($self) = @_;
1499		2211
1500	# save first because save cedes	2212	# save first because save cedes
1501	$self->save;	2213	$self->save;
1502		2214
1503	my $lock = cf::lock_acquire "map_data:" . $self->path;	2215	my $lock = cf::lock_acquire "map_data:$self->{path}";
1504		2216
1505	return if $self->players;	2217	return if $self->players;
1506	return if $self->in_memory != cf::MAP_IN_MEMORY;	2218	return if $self->in_memory != cf::MAP_ACTIVE;
1507	return if $self->{deny_save};	2219	return if $self->{deny_save};
1508		2220
		2221	$self->in_memory (cf::MAP_SWAPPED);
		2222
		2223	$self->deactivate;
		2224	$_->clear_links_to ($self) for values %cf::MAP;
1509	$self->clear;	2225	$self->clear;
1510	$self->in_memory (cf::MAP_SWAPPED);
1511	}	2226	}
1512		2227
1513	sub reset_at {	2228	sub reset_at {
1514	my ($self) = @_;	2229	my ($self) = @_;
1515		2230
1516	# TODO: safety, remove and allow resettable per-player maps	2231	# TODO: safety, remove and allow resettable per-player maps
1517	return 1e99 if $self->isa ("ext::map_per_player");
1518	return 1e99 if $self->{deny_reset};	2232	return 1e99 if $self->{deny_reset};
1519		2233
1520	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2234	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1521	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2235	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1522		2236
…		…
1527	my ($self) = @_;	2241	my ($self) = @_;
1528		2242
1529	$self->reset_at <= $cf::RUNTIME	2243	$self->reset_at <= $cf::RUNTIME
1530	}	2244	}
1531		2245
1532	sub rename {
1533	my ($self, $new_path) = @_;
1534
1535	normalise $new_path;
1536
1537	$self->unlink_save;
1538
1539	delete $cf::MAP{$self->path};
1540	$self->{path} = $new_path; $self->path ($self->{path});
1541	$cf::MAP{$self->path} = $self;
1542
1543	$self->save;
1544	}
1545
1546	sub reset {	2246	sub reset {
1547	my ($self) = @_;	2247	my ($self) = @_;
1548		2248
1549	my $lock = cf::lock_acquire "map_data:" . $self->path;	2249	my $lock = cf::lock_acquire "map_data:$self->{path}";
1550		2250
1551	return if $self->players;	2251	return if $self->players;
1552	return if $self->isa ("ext::map_per_player");#d#
1553		2252
1554	warn "resetting map ", $self->path;#d#	2253	warn "resetting map ", $self->path;
		2254
		2255	$self->in_memory (cf::MAP_SWAPPED);
		2256
		2257	# need to save uniques path
		2258	unless ($self->{deny_save}) {
		2259	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2260
		2261	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2262	if $uniq;
		2263	}
1555		2264
1556	delete $cf::MAP{$self->path};	2265	delete $cf::MAP{$self->path};
1557		2266
		2267	$self->deactivate;
1558	$_->clear_links_to ($self) for values %cf::MAP;	2268	$_->clear_links_to ($self) for values %cf::MAP;
		2269	$self->clear;
1559		2270
1560	$self->unlink_save;	2271	$self->unlink_save;
1561	$self->destroy;	2272	$self->destroy;
1562	}	2273	}
1563		2274
1564	my $nuke_counter = "aaaa";	2275	my $nuke_counter = "aaaa";
1565		2276
1566	sub nuke {	2277	sub nuke {
1567	my ($self) = @_;	2278	my ($self) = @_;
1568		2279
		2280	{
		2281	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2282
		2283	delete $cf::MAP{$self->path};
		2284
		2285	$self->unlink_save;
		2286
		2287	bless $self, "cf::map";
		2288	delete $self->{deny_reset};
1569	$self->{deny_save} = 1;	2289	$self->{deny_save} = 1;
1570	$self->reset_timeout (1);	2290	$self->reset_timeout (1);
1571	$self->rename ("{nuke}/" . ($nuke_counter++));	2291	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2292
		2293	$cf::MAP{$self->path} = $self;
		2294	}
		2295
1572	$self->reset; # polite request, might not happen	2296	$self->reset; # polite request, might not happen
		2297	}
		2298
		2299	=item $maps = cf::map::tmp_maps
		2300
		2301	Returns an arrayref with all map paths of currently instantiated and saved
		2302	maps. May block.
		2303
		2304	=cut
		2305
		2306	sub tmp_maps() {
		2307	[
		2308	map {
		2309	utf8::decode $_;
		2310	/\.map$/
		2311	? normalise $_
		2312	: ()
		2313	} @{ aio_readdir $TMPDIR or [] }
		2314	]
		2315	}
		2316
		2317	=item $maps = cf::map::random_maps
		2318
		2319	Returns an arrayref with all map paths of currently instantiated and saved
		2320	random maps. May block.
		2321
		2322	=cut
		2323
		2324	sub random_maps() {
		2325	[
		2326	map {
		2327	utf8::decode $_;
		2328	/\.map$/
		2329	? normalise "?random/$_"
		2330	: ()
		2331	} @{ aio_readdir $RANDOMDIR or [] }
		2332	]
1573	}	2333	}
1574		2334
1575	=item cf::map::unique_maps	2335	=item cf::map::unique_maps
1576		2336
1577	Returns an arrayref of paths of all shared maps that have	2337	Returns an arrayref of paths of all shared maps that have
1578	instantiated unique items. May block.	2338	instantiated unique items. May block.
1579		2339
1580	=cut	2340	=cut
1581		2341
1582	sub unique_maps() {	2342	sub unique_maps() {
1583	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2343	[
1584	or return;	2344	map {
1585
1586	my @paths;
1587
1588	for (@$files) {
1589	utf8::decode $_;	2345	utf8::decode $_;
1590	next if /\.pst$/;	2346	s/\.map$//; # TODO future compatibility hack
1591	next unless /^$PATH_SEP/o;	2347	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1592		2348	? ()
1593	push @paths, $_;	2349	: normalise $_
		2350	} @{ aio_readdir $UNIQUEDIR or [] }
1594	}	2351	]
1595
1596	\@paths
1597	}	2352	}
1598
1599	package cf;
1600		2353
1601	=back	2354	=back
1602		2355
1603	=head3 cf::object	2356	=head3 cf::object
1604		2357
…		…
1608		2361
1609	=over 4	2362	=over 4
1610		2363
1611	=item $ob->inv_recursive	2364	=item $ob->inv_recursive
1612		2365
1613	Returns the inventory of the object _and_ their inventories, recursively.	2366	Returns the inventory of the object I<and> their inventories, recursively,
		2367	but I<not> the object itself.
1614		2368
1615	=cut	2369	=cut
1616		2370
1617	sub inv_recursive_;	2371	sub inv_recursive_;
1618	sub inv_recursive_ {	2372	sub inv_recursive_ {
…		…
1621		2375
1622	sub inv_recursive {	2376	sub inv_recursive {
1623	inv_recursive_ inv $_[0]	2377	inv_recursive_ inv $_[0]
1624	}	2378	}
1625		2379
		2380	=item $ref = $ob->ref
		2381
		2382	Creates and returns a persistent reference to an object that can be stored as a string.
		2383
		2384	=item $ob = cf::object::deref ($refstring)
		2385
		2386	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2387	even if the object actually exists. May block.
		2388
		2389	=cut
		2390
		2391	sub deref {
		2392	my ($ref) = @_;
		2393
		2394	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2395	my ($uuid, $name) = ($1, $2);
		2396	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2397	or return;
		2398	$pl->ob->uuid eq $uuid
		2399	or return;
		2400
		2401	$pl->ob
		2402	} else {
		2403	warn "$ref: cannot resolve object reference\n";
		2404	undef
		2405	}
		2406	}
		2407
1626	package cf;	2408	package cf;
1627		2409
1628	=back	2410	=back
1629		2411
1630	=head3 cf::object::player	2412	=head3 cf::object::player
…		…
1636	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2418	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1637	can be C<undef>. Does the right thing when the player is currently in a	2419	can be C<undef>. Does the right thing when the player is currently in a
1638	dialogue with the given NPC character.	2420	dialogue with the given NPC character.
1639		2421
1640	=cut	2422	=cut
		2423
		2424	our $SAY_CHANNEL = {
		2425	id => "say",
		2426	title => "Map",
		2427	reply => "say ",
		2428	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2429	};
		2430
		2431	our $CHAT_CHANNEL = {
		2432	id => "chat",
		2433	title => "Chat",
		2434	reply => "chat ",
		2435	tooltip => "Player chat and shouts, global to the server.",
		2436	};
1641		2437
1642	# rough implementation of a future "reply" method that works	2438	# rough implementation of a future "reply" method that works
1643	# with dialog boxes.	2439	# with dialog boxes.
1644	#TODO: the first argument must go, split into a $npc->reply_to ( method	2440	#TODO: the first argument must go, split into a $npc->reply_to ( method
1645	sub cf::object::player::reply($$$;$) {	2441	sub cf::object::player::reply($$$;$) {
…		…
1647		2443
1648	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2444	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1649		2445
1650	if ($self->{record_replies}) {	2446	if ($self->{record_replies}) {
1651	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2447	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2448
1652	} else {	2449	} else {
		2450	my $pl = $self->contr;
		2451
		2452	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2453	my $dialog = $pl->{npc_dialog};
		2454	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2455
		2456	} else {
1653	$msg = $npc->name . " says: $msg" if $npc;	2457	$msg = $npc->name . " says: $msg" if $npc;
1654	$self->message ($msg, $flags);	2458	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2459	}
1655	}	2460	}
		2461	}
		2462
		2463	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2464
		2465	=cut
		2466
		2467	sub cf::object::send_msg {
		2468	my $pl = shift->contr
		2469	or return;
		2470	$pl->send_msg (@_);
1656	}	2471	}
1657		2472
1658	=item $player_object->may ("access")	2473	=item $player_object->may ("access")
1659		2474
1660	Returns wether the given player is authorized to access resource "access"	2475	Returns wether the given player is authorized to access resource "access"
…		…
1673		2488
1674	=item $player_object->enter_link	2489	=item $player_object->enter_link
1675		2490
1676	Freezes the player and moves him/her to a special map (C<{link}>).	2491	Freezes the player and moves him/her to a special map (C<{link}>).
1677		2492
1678	The player should be reasonably safe there for short amounts of time. You	2493	The player should be reasonably safe there for short amounts of time (e.g.
1679	I<MUST> call C<leave_link> as soon as possible, though.	2494	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2495	though, as the palyer cannot control the character while it is on the link
		2496	map.
1680		2497
1681	Will never block.	2498	Will never block.
1682		2499
1683	=item $player_object->leave_link ($map, $x, $y)	2500	=item $player_object->leave_link ($map, $x, $y)
1684		2501
…		…
1692	=cut	2509	=cut
1693		2510
1694	sub link_map {	2511	sub link_map {
1695	unless ($LINK_MAP) {	2512	unless ($LINK_MAP) {
1696	$LINK_MAP = cf::map::find "{link}"	2513	$LINK_MAP = cf::map::find "{link}"
1697	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2514	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1698	$LINK_MAP->load;	2515	$LINK_MAP->load;
1699	}	2516	}
1700		2517
1701	$LINK_MAP	2518	$LINK_MAP
1702	}	2519	}
…		…
1707	$self->deactivate_recursive;	2524	$self->deactivate_recursive;
1708		2525
1709	return if UNIVERSAL::isa $self->map, "ext::map_link";	2526	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		2527
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2528	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	2529	if $self->map && $self->map->{path} ne "{link}";
1713		2530
1714	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2531	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	2532	}
1716		2533
1717	sub cf::object::player::leave_link {	2534	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	2535	my ($self, $map, $x, $y) = @_;
		2536
		2537	return unless $self->contr->active;
1719		2538
1720	my $link_pos = delete $self->{_link_pos};	2539	my $link_pos = delete $self->{_link_pos};
1721		2540
1722	unless ($map) {	2541	unless ($map) {
1723	# restore original map position	2542	# restore original map position
…		…
1737	# use -1 or undef as default coordinates, not 0, 0	2556	# use -1 or undef as default coordinates, not 0, 0
1738	($x, $y) = ($map->enter_x, $map->enter_y)	2557	($x, $y) = ($map->enter_x, $map->enter_y)
1739	if $x <=0 && $y <= 0;	2558	if $x <=0 && $y <= 0;
1740		2559
1741	$map->load;	2560	$map->load;
1742	$map->load_diag;	2561	$map->load_neighbours;
1743		2562
1744	return unless $self->contr->active;	2563	return unless $self->contr->active;
		2564	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1745	$self->activate_recursive;	2565	$self->activate_recursive;
		2566
		2567	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746	$self->enter_map ($map, $x, $y);	2568	$self->enter_map ($map, $x, $y);
1747	}	2569	}
1748		2570
1749	cf::player->attach (	2571	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1750	on_logout => sub {
1751	my ($pl) = @_;
1752		2572
1753	# abort map switching before logout	2573	Moves the player to the given map-path and coordinates by first freezing
1754	if ($pl->ob->{_link_pos}) {	2574	her, loading and preparing them map, calling the provided $check callback
1755	cf::sync_job {	2575	that has to return the map if sucecssful, and then unfreezes the player on
1756	$pl->ob->leave_link	2576	the new (success) or old (failed) map position. In either case, $done will
1757	};	2577	be called at the end of this process.
1758	}
1759	},
1760	on_login => sub {
1761	my ($pl) = @_;
1762		2578
1763	# try to abort aborted map switching on player login :)	2579	Note that $check will be called with a potentially non-loaded map, so if
1764	# should happen only on crashes	2580	it needs a loaded map it has to call C<< ->load >>.
1765	if ($pl->ob->{_link_pos}) {
1766	$pl->ob->enter_link;
1767	(async {
1768	# we need this sleep as the login has a concurrent enter_exit running
1769	# and this sleep increases chances of the player not ending up in scorn
1770	$pl->ob->reply (undef,
1771	"There was an internal problem at your last logout, "
1772	. "the server will try to bring you to your intended destination in a second.",
1773	cf::NDI_RED);
1774	Coro::Timer::sleep 1;
1775	$pl->ob->leave_link;
1776	})->prio (2);
1777	}
1778	},
1779	);
1780		2581
1781	=item $player_object->goto ($path, $x, $y)
1782
1783	=cut	2582	=cut
		2583
		2584	our $GOTOGEN;
1784		2585
1785	sub cf::object::player::goto {	2586	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	2587	my ($self, $path, $x, $y, $check, $done) = @_;
		2588
		2589	# do generation counting so two concurrent goto's will be executed in-order
		2590	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1787		2591
1788	$self->enter_link;	2592	$self->enter_link;
1789		2593
1790	(async {	2594	(async {
1791	my $map = cf::map::find $path;	2595	$Coro::current->{desc} = "player::goto $path $x $y";
		2596
		2597	# *tag paths override both path and x|y
		2598	if ($path =~ /^\*(.*)$/) {
		2599	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2600	my $ob = $obs[rand @obs];
		2601
		2602	# see if we actually can go there
		2603	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2604	$ob = $obs[rand @obs];
		2605	} else {
		2606	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2607	}
		2608	# else put us there anyways for now #d#
		2609
		2610	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2611	} else {
		2612	($path, $x, $y) = (undef, undef, undef);
		2613	}
		2614	}
		2615
		2616	my $map = eval {
		2617	my $map = defined $path ? cf::map::find $path : undef;
		2618
		2619	if ($map) {
1792	$map = $map->customise_for ($self) if $map;	2620	$map = $map->customise_for ($self);
1793		2621	$map = $check->($map) if $check && $map;
1794	# warn "entering ", $map->path, " at ($x, $y)\n"	2622	} else {
1795	# if $map;
1796
1797	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2623	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2624	}
1798		2625
		2626	$map
		2627	};
		2628
		2629	if ($@) {
		2630	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2631	LOG llevError | logBacktrace, Carp::longmess $@;
		2632	}
		2633
		2634	if ($gen == $self->{_goto_generation}) {
		2635	delete $self->{_goto_generation};
1799	$self->leave_link ($map, $x, $y);	2636	$self->leave_link ($map, $x, $y);
		2637	}
		2638
		2639	$done->() if $done;
1800	})->prio (1);	2640	})->prio (1);
1801	}	2641	}
1802		2642
1803	=item $player_object->enter_exit ($exit_object)	2643	=item $player_object->enter_exit ($exit_object)
1804		2644
…		…
1806		2646
1807	sub parse_random_map_params {	2647	sub parse_random_map_params {
1808	my ($spec) = @_;	2648	my ($spec) = @_;
1809		2649
1810	my $rmp = { # defaults	2650	my $rmp = { # defaults
1811	xsize => 10,	2651	xsize => (cf::rndm 15, 40),
1812	ysize => 10,	2652	ysize => (cf::rndm 15, 40),
		2653	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2654	#layout => string,
1813	};	2655	};
1814		2656
1815	for (split /\n/, $spec) {	2657	for (split /\n/, $spec) {
1816	my ($k, $v) = split /\s+/, $_, 2;	2658	my ($k, $v) = split /\s+/, $_, 2;
1817		2659
…		…
1829	# that depends on the exit object	2671	# that depends on the exit object
1830		2672
1831	my $rmp = parse_random_map_params $exit->msg;	2673	my $rmp = parse_random_map_params $exit->msg;
1832		2674
1833	if ($exit->map) {	2675	if ($exit->map) {
1834	$rmp->{region} = $exit->map->region_name;	2676	$rmp->{region} = $exit->region->name;
1835	$rmp->{origin_map} = $exit->map->path;	2677	$rmp->{origin_map} = $exit->map->path;
1836	$rmp->{origin_x} = $exit->x;	2678	$rmp->{origin_x} = $exit->x;
1837	$rmp->{origin_y} = $exit->y;	2679	$rmp->{origin_y} = $exit->y;
		2680
		2681	$exit->map->touch;
1838	}	2682	}
1839		2683
1840	$rmp->{random_seed} ||= $exit->random_seed;	2684	$rmp->{random_seed} ||= $exit->random_seed;
1841		2685
1842	my $data = cf::to_json $rmp;	2686	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1843	my $md5 = Digest::MD5::md5_hex $data;	2687	my $md5 = Digest::MD5::md5_hex $data;
		2688	my $meta = "$RANDOMDIR/$md5.meta";
1844		2689
1845	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2690	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1846	aio_write $fh, 0, (length $data), $data, 0;	2691	aio_write $fh, 0, (length $data), $data, 0;
		2692	undef $fh;
		2693	aio_rename "$meta~", $meta;
1847		2694
		2695	my $slaying = "?random/$md5";
		2696
		2697	if ($exit->valid) {
1848	$exit->slaying ("?random/$md5");	2698	$exit->slaying ("?random/$md5");
1849	$exit->msg (undef);	2699	$exit->msg (undef);
		2700	}
1850	}	2701	}
1851	}	2702	}
1852		2703
1853	sub cf::object::player::enter_exit {	2704	sub cf::object::player::enter_exit {
1854	my ($self, $exit) = @_;	2705	my ($self, $exit) = @_;
…		…
1856	return unless $self->type == cf::PLAYER;	2707	return unless $self->type == cf::PLAYER;
1857		2708
1858	$self->enter_link;	2709	$self->enter_link;
1859		2710
1860	(async {	2711	(async {
1861	$self->deactivate_recursive; # just to be sure	2712	$Coro::current->{desc} = "enter_exit";
		2713
1862	unless (eval {	2714	unless (eval {
		2715	$self->deactivate_recursive; # just to be sure
		2716
		2717	# random map handling
		2718	{
		2719	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2720
1863	prepare_random_map $exit	2721	prepare_random_map $exit
1864	if $exit->slaying eq "/!";	2722	if $exit->slaying eq "/!";
		2723	}
1865		2724
1866	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;	2725	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1867	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2726	my $x = $exit->stats->hp;
		2727	my $y = $exit->stats->sp;
1868		2728
		2729	$self->goto ($map, $x, $y);
		2730
		2731	# if exit is damned, update players death & WoR home-position
		2732	$self->contr->savebed ($map, $x, $y)
		2733	if $exit->flag (cf::FLAG_DAMNED);
		2734
1869	1;	2735	1
1870	}) {	2736	}) {
1871	$self->message ("Something went wrong deep within the crossfire server. "	2737	$self->message ("Something went wrong deep within the deliantra server. "
1872	. "I'll try to bring you back to the map you were before. "	2738	. "I'll try to bring you back to the map you were before. "
1873	. "Please report this to the dungeon master!",	2739	. "Please report this to the dungeon master!",
1874	cf::NDI_UNIQUE | cf::NDI_RED);	2740	cf::NDI_UNIQUE | cf::NDI_RED);
1875		2741
1876	warn "ERROR in enter_exit: $@";	2742	warn "ERROR in enter_exit: $@";
1877	$self->leave_link;	2743	$self->leave_link;
1878	}	2744	}
1879	})->prio (1);	2745	})->prio (1);
…		…
1892		2758
1893	sub cf::client::send_drawinfo {	2759	sub cf::client::send_drawinfo {
1894	my ($self, $text, $flags) = @_;	2760	my ($self, $text, $flags) = @_;
1895		2761
1896	utf8::encode $text;	2762	utf8::encode $text;
1897	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2763	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1898	}	2764	}
1899		2765
		2766	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2767
		2768	Send a drawinfo or msg packet to the client, formatting the msg for the
		2769	client if neccessary. C<$type> should be a string identifying the type of
		2770	the message, with C<log> being the default. If C<$color> is negative, suppress
		2771	the message unless the client supports the msg packet.
		2772
		2773	=cut
		2774
		2775	# non-persistent channels (usually the info channel)
		2776	our %CHANNEL = (
		2777	"c/identify" => {
		2778	id => "infobox",
		2779	title => "Identify",
		2780	reply => undef,
		2781	tooltip => "Items recently identified",
		2782	},
		2783	"c/examine" => {
		2784	id => "infobox",
		2785	title => "Examine",
		2786	reply => undef,
		2787	tooltip => "Signs and other items you examined",
		2788	},
		2789	"c/book" => {
		2790	id => "infobox",
		2791	title => "Book",
		2792	reply => undef,
		2793	tooltip => "The contents of a note or book",
		2794	},
		2795	"c/lookat" => {
		2796	id => "infobox",
		2797	title => "Look",
		2798	reply => undef,
		2799	tooltip => "What you saw there",
		2800	},
		2801	"c/who" => {
		2802	id => "infobox",
		2803	title => "Players",
		2804	reply => undef,
		2805	tooltip => "Shows players who are currently online",
		2806	},
		2807	"c/body" => {
		2808	id => "infobox",
		2809	title => "Body Parts",
		2810	reply => undef,
		2811	tooltip => "Shows which body parts you posess and are available",
		2812	},
		2813	"c/skills" => {
		2814	id => "infobox",
		2815	title => "Skills",
		2816	reply => undef,
		2817	tooltip => "Shows your experience per skill and item power",
		2818	},
		2819	"c/uptime" => {
		2820	id => "infobox",
		2821	title => "Uptime",
		2822	reply => undef,
		2823	tooltip => "How long the server has been running since last restart",
		2824	},
		2825	"c/mapinfo" => {
		2826	id => "infobox",
		2827	title => "Map Info",
		2828	reply => undef,
		2829	tooltip => "Information related to the maps",
		2830	},
		2831	"c/party" => {
		2832	id => "party",
		2833	title => "Party",
		2834	reply => "gsay ",
		2835	tooltip => "Messages and chat related to your party",
		2836	},
		2837	);
		2838
		2839	sub cf::client::send_msg {
		2840	my ($self, $channel, $msg, $color, @extra) = @_;
		2841
		2842	$msg = $self->pl->expand_cfpod ($msg)
		2843	unless $color & cf::NDI_VERBATIM;
		2844
		2845	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2846
		2847	# check predefined channels, for the benefit of C
		2848	if ($CHANNEL{$channel}) {
		2849	$channel = $CHANNEL{$channel};
		2850
		2851	$self->ext_msg (channel_info => $channel)
		2852	if $self->can_msg;
		2853
		2854	$channel = $channel->{id};
		2855
		2856	} elsif (ref $channel) {
		2857	# send meta info to client, if not yet sent
		2858	unless (exists $self->{channel}{$channel->{id}}) {
		2859	$self->{channel}{$channel->{id}} = $channel;
		2860	$self->ext_msg (channel_info => $channel)
		2861	if $self->can_msg;
		2862	}
		2863
		2864	$channel = $channel->{id};
		2865	}
		2866
		2867	return unless @extra || length $msg;
		2868
		2869	if ($self->can_msg) {
		2870	# default colour, mask it out
		2871	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2872	if $color & cf::NDI_DEF;
		2873
		2874	my $pkt = "msg "
		2875	. $self->{json_coder}->encode (
		2876	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2877	);
		2878
		2879	# try lzf for large packets
		2880	$pkt = "lzf " . Compress::LZF::compress $pkt
		2881	if 1024 <= length $pkt and $self->{can_lzf};
		2882
		2883	# split very large packets
		2884	if (8192 < length $pkt and $self->{can_lzf}) {
		2885	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2886	$pkt = "frag";
		2887	}
		2888
		2889	$self->send_packet ($pkt);
		2890	} else {
		2891	if ($color >= 0) {
		2892	# replace some tags by gcfclient-compatible ones
		2893	for ($msg) {
		2894	1 while
		2895	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2896	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2897	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2898	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2899	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2900	}
		2901
		2902	$color &= cf::NDI_COLOR_MASK;
		2903
		2904	utf8::encode $msg;
		2905
		2906	if (0 && $msg =~ /\[/) {
		2907	# COMMAND/INFO
		2908	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2909	} else {
		2910	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2911	$self->send_packet ("drawinfo $color $msg")
		2912	}
		2913	}
		2914	}
		2915	}
		2916
		2917	=item $client->ext_msg ($type, @msg)
		2918
		2919	Sends an ext event to the client.
		2920
		2921	=cut
		2922
		2923	sub cf::client::ext_msg($$@) {
		2924	my ($self, $type, @msg) = @_;
		2925
		2926	if ($self->extcmd == 2) {
		2927	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2928	} elsif ($self->extcmd == 1) { # TODO: remove
		2929	push @msg, msgtype => "event_$type";
		2930	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2931	}
		2932	}
		2933
		2934	=item $client->ext_reply ($msgid, @msg)
		2935
		2936	Sends an ext reply to the client.
		2937
		2938	=cut
		2939
		2940	sub cf::client::ext_reply($$@) {
		2941	my ($self, $id, @msg) = @_;
		2942
		2943	if ($self->extcmd == 2) {
		2944	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2945	} elsif ($self->extcmd == 1) {
		2946	#TODO: version 1, remove
		2947	unshift @msg, msgtype => "reply", msgid => $id;
		2948	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2949	}
		2950	}
1900		2951
1901	=item $success = $client->query ($flags, "text", \&cb)	2952	=item $success = $client->query ($flags, "text", \&cb)
1902		2953
1903	Queues a query to the client, calling the given callback with	2954	Queues a query to the client, calling the given callback with
1904	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2955	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1905	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2956	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1906		2957
1907	Queries can fail, so check the return code. Or don't, as queries will become	2958	Queries can fail, so check the return code. Or don't, as queries will
1908	reliable at some point in the future.	2959	become reliable at some point in the future.
1909		2960
1910	=cut	2961	=cut
1911		2962
1912	sub cf::client::query {	2963	sub cf::client::query {
1913	my ($self, $flags, $text, $cb) = @_;	2964	my ($self, $flags, $text, $cb) = @_;
…		…
1921	utf8::encode $text;	2972	utf8::encode $text;
1922	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2973	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1923		2974
1924	$self->send_packet ($self->{query_queue}[0][0])	2975	$self->send_packet ($self->{query_queue}[0][0])
1925	if @{ $self->{query_queue} } == 1;	2976	if @{ $self->{query_queue} } == 1;
		2977
		2978	1
1926	}	2979	}
1927		2980
1928	cf::client->attach (	2981	cf::client->attach (
		2982	on_connect => sub {
		2983	my ($ns) = @_;
		2984
		2985	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2986	},
1929	on_reply => sub {	2987	on_reply => sub {
1930	my ($ns, $msg) = @_;	2988	my ($ns, $msg) = @_;
1931		2989
1932	# this weird shuffling is so that direct followup queries	2990	# this weird shuffling is so that direct followup queries
1933	# get handled first	2991	# get handled first
1934	my $queue = delete $ns->{query_queue}	2992	my $queue = delete $ns->{query_queue}
1935	or return; # be conservative, not sure how that can happen, but we saw a crash here	2993	or return; # be conservative, not sure how that can happen, but we saw a crash here
1936		2994
1937	(shift @$queue)->[1]->($msg);	2995	(shift @$queue)->[1]->($msg);
		2996	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1938		2997
1939	push @{ $ns->{query_queue} }, @$queue;	2998	push @{ $ns->{query_queue} }, @$queue;
1940		2999
1941	if (@{ $ns->{query_queue} } == @$queue) {	3000	if (@{ $ns->{query_queue} } == @$queue) {
1942	if (@$queue) {	3001	if (@$queue) {
…		…
1944	} else {	3003	} else {
1945	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3004	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1946	}	3005	}
1947	}	3006	}
1948	},	3007	},
		3008	on_exticmd => sub {
		3009	my ($ns, $buf) = @_;
		3010
		3011	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3012
		3013	if (ref $msg) {
		3014	my ($type, $reply, @payload) =
		3015	"ARRAY" eq ref $msg
		3016	? @$msg
		3017	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3018
		3019	my @reply;
		3020
		3021	if (my $cb = $EXTICMD{$type}) {
		3022	@reply = $cb->($ns, @payload);
		3023	}
		3024
		3025	$ns->ext_reply ($reply, @reply)
		3026	if $reply;
		3027
		3028	} else {
		3029	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3030	}
		3031
		3032	cf::override;
		3033	},
1949	);	3034	);
1950		3035
1951	=item $client->async (\&cb)	3036	=item $client->async (\&cb)
1952		3037
1953	Create a new coroutine, running the specified callback. The coroutine will	3038	Create a new coroutine, running the specified callback. The coroutine will
…		…
1994	our $safe = new Safe "safe";	3079	our $safe = new Safe "safe";
1995	our $safe_hole = new Safe::Hole;	3080	our $safe_hole = new Safe::Hole;
1996		3081
1997	$SIG{FPE} = 'IGNORE';	3082	$SIG{FPE} = 'IGNORE';
1998		3083
1999	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3084	$safe->permit_only (Opcode::opset qw(
		3085	:base_core :base_mem :base_orig :base_math
		3086	grepstart grepwhile mapstart mapwhile
		3087	sort time
		3088	));
2000		3089
2001	# here we export the classes and methods available to script code	3090	# here we export the classes and methods available to script code
2002		3091
2003	=pod	3092	=pod
2004		3093
2005	The following fucntions and emthods are available within a safe environment:	3094	The following functions and methods are available within a safe environment:
2006		3095
2007	cf::object contr pay_amount pay_player map	3096	cf::object
		3097	contr pay_amount pay_player map x y force_find force_add destroy
		3098	insert remove name archname title slaying race decrease split
		3099
2008	cf::object::player player	3100	cf::object::player
2009	cf::player peaceful	3101	player
2010	cf::map trigger	3102
		3103	cf::player
		3104	peaceful
		3105
		3106	cf::map
		3107	trigger
2011		3108
2012	=cut	3109	=cut
2013		3110
2014	for (	3111	for (
2015	["cf::object" => qw(contr pay_amount pay_player map)],	3112	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3113	insert remove inv nrof name archname title slaying race
		3114	decrease split destroy change_exp)],
2016	["cf::object::player" => qw(player)],	3115	["cf::object::player" => qw(player)],
2017	["cf::player" => qw(peaceful)],	3116	["cf::player" => qw(peaceful)],
2018	["cf::map" => qw(trigger)],	3117	["cf::map" => qw(trigger)],
2019	) {	3118	) {
2020	no strict 'refs';	3119	no strict 'refs';
…		…
2091	=back	3190	=back
2092		3191
2093	=cut	3192	=cut
2094		3193
2095	#############################################################################	3194	#############################################################################
		3195	# the server's init and main functions
2096		3196
2097	=head2 EXTENSION DATABASE SUPPORT	3197	sub load_facedata($) {
		3198	my ($path) = @_;
2098		3199
2099	Crossfire maintains a very simple database for extension use. It can	3200	# HACK to clear player env face cache, we need some signal framework
2100	currently store anything that can be serialised using Storable, which	3201	# for this (global event?)
2101	excludes objects.	3202	%ext::player_env::MUSIC_FACE_CACHE = ();
2102		3203
2103	The parameter C<$family> should best start with the name of the extension	3204	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2104	using it, it should be unique.
2105		3205
2106	=over 4	3206	warn "loading facedata from $path\n";
2107		3207
2108	=item $hashref = cf::db_get $family	3208	my $facedata;
		3209	0 < aio_load $path, $facedata
		3210	or die "$path: $!";
2109		3211
2110	Return a hashref for use by the extension C<$family>, which can be	3212	$facedata = Coro::Storable::thaw $facedata;
2111	modified. After modifications, you have to call C<cf::db_dirty> or
2112	C<cf::db_sync>.
2113		3213
2114	=item $value = cf::db_get $family => $key	3214	$facedata->{version} == 2
		3215	or cf::cleanup "$path: version mismatch, cannot proceed.";
2115		3216
2116	Returns a single value from the database	3217	# patch in the exptable
2117		3218	$facedata->{resource}{"res/exp_table"} = {
2118	=item cf::db_put $family => $hashref	3219	type => FT_RSRC,
2119		3220	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2120	Stores the given family hashref into the database. Updates are delayed, if
2121	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2122
2123	=item cf::db_put $family => $key => $value
2124
2125	Stores the given C<$value> in the family hash. Updates are delayed, if you
2126	want the data to be synced to disk immediately, use C<cf::db_sync>.
2127
2128	=item cf::db_dirty
2129
2130	Marks the database as dirty, to be updated at a later time.
2131
2132	=item cf::db_sync
2133
2134	Immediately write the database to disk I<if it is dirty>.
2135
2136	=cut
2137
2138	our $DB;
2139
2140	{
2141	my $path = cf::localdir . "/database.pst";
2142
2143	sub db_load() {
2144	$DB = stat $path ? Storable::retrieve $path : { };
2145	}
2146
2147	my $pid;
2148
2149	sub db_save() {
2150	waitpid $pid, 0 if $pid;
2151	if (0 == ($pid = fork)) {
2152	$DB->{_meta}{version} = 1;
2153	Storable::nstore $DB, "$path~";
2154	rename "$path~", $path;
2155	cf::_exit 0 if defined $pid;
2156	}
2157	}
2158
2159	my $dirty;
2160
2161	sub db_sync() {
2162	db_save if $dirty;
2163	undef $dirty;
2164	}
2165
2166	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2167	db_sync;
2168	});	3221	};
		3222	cf::cede_to_tick;
2169		3223
2170	sub db_dirty() {
2171	$dirty = 1;
2172	$idle->start;
2173	}	3224	{
		3225	my $faces = $facedata->{faceinfo};
2174		3226
2175	sub db_get($;$) {	3227	while (my ($face, $info) = each %$faces) {
2176	@_ >= 2	3228	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2177	? $DB->{$_[0]}{$_[1]}
2178	: ($DB->{$_[0]} ||= { })
2179	}
2180		3229
2181	sub db_put($$;$) {	3230	cf::face::set_visibility $idx, $info->{visibility};
2182	if (@_ >= 3) {	3231	cf::face::set_magicmap $idx, $info->{magicmap};
2183	$DB->{$_[0]}{$_[1]} = $_[2];	3232	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2184	} else {	3233	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2185	$DB->{$_[0]} = $_[1];
2186	}
2187	db_dirty;
2188	}
2189		3234
2190	cf::global->attach (	3235	cf::cede_to_tick;
2191	prio => 10000,
2192	on_cleanup => sub {
2193	db_sync;
2194	},	3236	}
2195	);
2196	}
2197		3237
2198	#############################################################################	3238	while (my ($face, $info) = each %$faces) {
2199	# the server's main()	3239	next unless $info->{smooth};
2200		3240
2201	sub cfg_load {	3241	my $idx = cf::face::find $face
		3242	or next;
		3243
		3244	if (my $smooth = cf::face::find $info->{smooth}) {
		3245	cf::face::set_smooth $idx, $smooth;
		3246	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3247	} else {
		3248	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3249	}
		3250
		3251	cf::cede_to_tick;
		3252	}
		3253	}
		3254
		3255	{
		3256	my $anims = $facedata->{animinfo};
		3257
		3258	while (my ($anim, $info) = each %$anims) {
		3259	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3260	cf::cede_to_tick;
		3261	}
		3262
		3263	cf::anim::invalidate_all; # d'oh
		3264	}
		3265
		3266	{
		3267	# TODO: for gcfclient pleasure, we should give resources
		3268	# that gcfclient doesn't grok a >10000 face index.
		3269	my $res = $facedata->{resource};
		3270
		3271	while (my ($name, $info) = each %$res) {
		3272	if (defined $info->{type}) {
		3273	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3274	my $data;
		3275
		3276	if ($info->{type} & 1) {
		3277	# prepend meta info
		3278
		3279	my $meta = $enc->encode ({
		3280	name => $name,
		3281	%{ $info->{meta} || {} },
		3282	});
		3283
		3284	$data = pack "(w/a*)*", $meta, $info->{data};
		3285	} else {
		3286	$data = $info->{data};
		3287	}
		3288
		3289	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3290	cf::face::set_type $idx, $info->{type};
		3291	} else {
		3292	$RESOURCE{$name} = $info;
		3293	}
		3294
		3295	cf::cede_to_tick;
		3296	}
		3297	}
		3298
		3299	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3300
		3301	1
		3302	}
		3303
		3304	cf::global->attach (on_resource_update => sub {
		3305	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3306	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3307
		3308	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3309	my $sound = $soundconf->{compat}[$_]
		3310	or next;
		3311
		3312	my $face = cf::face::find "sound/$sound->[1]";
		3313	cf::sound::set $sound->[0] => $face;
		3314	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3315	}
		3316
		3317	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3318	my $face = cf::face::find "sound/$v";
		3319	cf::sound::set $k => $face;
		3320	}
		3321	}
		3322	});
		3323
		3324	register_exticmd fx_want => sub {
		3325	my ($ns, $want) = @_;
		3326
		3327	while (my ($k, $v) = each %$want) {
		3328	$ns->fx_want ($k, $v);
		3329	}
		3330	};
		3331
		3332	sub load_resource_file($) {
		3333	my $guard = lock_acquire "load_resource_file";
		3334
		3335	my $status = load_resource_file_ $_[0];
		3336	get_slot 0.1, 100;
		3337	cf::arch::commit_load;
		3338
		3339	$status
		3340	}
		3341
		3342	sub reload_regions {
		3343	# HACK to clear player env face cache, we need some signal framework
		3344	# for this (global event?)
		3345	%ext::player_env::MUSIC_FACE_CACHE = ();
		3346
		3347	load_resource_file "$MAPDIR/regions"
		3348	or die "unable to load regions file\n";
		3349
		3350	for (cf::region::list) {
		3351	$_->{match} = qr/$_->{match}/
		3352	if exists $_->{match};
		3353	}
		3354	}
		3355
		3356	sub reload_facedata {
		3357	load_facedata "$DATADIR/facedata"
		3358	or die "unable to load facedata\n";
		3359	}
		3360
		3361	sub reload_archetypes {
		3362	load_resource_file "$DATADIR/archetypes"
		3363	or die "unable to load archetypes\n";
		3364	}
		3365
		3366	sub reload_treasures {
		3367	load_resource_file "$DATADIR/treasures"
		3368	or die "unable to load treasurelists\n";
		3369	}
		3370
		3371	sub reload_resources {
		3372	warn "reloading resource files...\n";
		3373
		3374	reload_facedata;
		3375	reload_archetypes;
		3376	reload_regions;
		3377	reload_treasures;
		3378
		3379	warn "finished reloading resource files\n";
		3380	}
		3381
		3382	sub reload_config {
2202	open my $fh, "<:utf8", cf::confdir . "/config"	3383	open my $fh, "<:utf8", "$CONFDIR/config"
2203	or return;	3384	or return;
2204		3385
2205	local $/;	3386	local $/;
2206	*CFG = YAML::Syck::Load <$fh>;	3387	*CFG = YAML::Load <$fh>;
2207		3388
2208	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3389	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2209		3390
2210	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3391	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2211	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3392	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2217	};	3398	};
2218	warn $@ if $@;	3399	warn $@ if $@;
2219	}	3400	}
2220	}	3401	}
2221		3402
		3403	sub pidfile() {
		3404	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3405	or die "$PIDFILE: $!";
		3406	flock $fh, &Fcntl::LOCK_EX
		3407	or die "$PIDFILE: flock: $!";
		3408	$fh
		3409	}
		3410
		3411	# make sure only one server instance is running at any one time
		3412	sub atomic {
		3413	my $fh = pidfile;
		3414
		3415	my $pid = <$fh>;
		3416	kill 9, $pid if $pid > 0;
		3417
		3418	seek $fh, 0, 0;
		3419	print $fh $$;
		3420	}
		3421
2222	sub main {	3422	sub main {
		3423	cf::init_globals; # initialise logging
		3424
		3425	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3426	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3427	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3428	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3429
		3430	cf::init_experience;
		3431	cf::init_anim;
		3432	cf::init_attackmess;
		3433	cf::init_dynamic;
		3434	cf::init_block;
		3435
		3436	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3437
2223	# we must not ever block the main coroutine	3438	# we must not ever block the main coroutine
2224	local $Coro::idle = sub {	3439	local $Coro::idle = sub {
2225	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3440	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2226	async { Event::one_event };	3441	(async {
		3442	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3443	EV::loop EV::LOOP_ONESHOT;
		3444	})->prio (Coro::PRIO_MAX);
2227	};	3445	};
2228		3446
2229	cfg_load;	3447	evthread_start IO::AIO::poll_fileno;
2230	db_load;	3448
		3449	cf::sync_job {
		3450	reload_resources;
		3451	reload_config;
		3452	db_init;
		3453
		3454	cf::load_settings;
		3455	cf::load_materials;
		3456	cf::init_uuid;
		3457	cf::init_signals;
		3458	cf::init_commands;
		3459	cf::init_skills;
		3460
		3461	cf::init_beforeplay;
		3462
		3463	atomic;
		3464
2231	load_extensions;	3465	load_extensions;
		3466
		3467	utime time, time, $RUNTIMEFILE;
		3468
		3469	# no (long-running) fork's whatsoever before this point(!)
		3470	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3471
		3472	(pop @POST_INIT)->(0) while @POST_INIT;
		3473	};
		3474
2232	Event::loop;	3475	EV::loop;
2233	}	3476	}
2234		3477
2235	#############################################################################	3478	#############################################################################
2236	# initialisation and cleanup	3479	# initialisation and cleanup
2237		3480
2238	# install some emergency cleanup handlers	3481	# install some emergency cleanup handlers
2239	BEGIN {	3482	BEGIN {
		3483	our %SIGWATCHER = ();
2240	for my $signal (qw(INT HUP TERM)) {	3484	for my $signal (qw(INT HUP TERM)) {
2241	Event->signal (	3485	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2242	data => WF_AUTOCANCEL,
2243	signal => $signal,
2244	cb => sub {
2245	cf::cleanup "SIG$signal";	3486	cf::cleanup "SIG$signal";
2246	},
2247	);	3487	};
		3488	}
		3489	}
		3490
		3491	sub write_runtime_sync {
		3492	# first touch the runtime file to show we are still running:
		3493	# the fsync below can take a very very long time.
		3494
		3495	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3496
		3497	my $guard = cf::lock_acquire "write_runtime";
		3498
		3499	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3500	or return;
		3501
		3502	my $value = $cf::RUNTIME + 90 + 10;
		3503	# 10 is the runtime save interval, for a monotonic clock
		3504	# 60 allows for the watchdog to kill the server.
		3505
		3506	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3507	and return;
		3508
		3509	# always fsync - this file is important
		3510	aio_fsync $fh
		3511	and return;
		3512
		3513	# touch it again to show we are up-to-date
		3514	aio_utime $fh, undef, undef;
		3515
		3516	close $fh
		3517	or return;
		3518
		3519	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3520	and return;
		3521
		3522	warn "runtime file written.\n";
		3523
2248	}	3524	1
		3525	}
		3526
		3527	our $uuid_lock;
		3528	our $uuid_skip;
		3529
		3530	sub write_uuid_sync($) {
		3531	$uuid_skip ||= $_[0];
		3532
		3533	return if $uuid_lock;
		3534	local $uuid_lock = 1;
		3535
		3536	my $uuid = "$LOCALDIR/uuid";
		3537
		3538	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3539	or return;
		3540
		3541	my $value = uuid_seq uuid_cur;
		3542
		3543	unless ($value) {
		3544	warn "cowardly refusing to write zero uuid value!\n";
		3545	return;
		3546	}
		3547
		3548	my $value = uuid_str $value + $uuid_skip;
		3549	$uuid_skip = 0;
		3550
		3551	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3552	and return;
		3553
		3554	# always fsync - this file is important
		3555	aio_fsync $fh
		3556	and return;
		3557
		3558	close $fh
		3559	or return;
		3560
		3561	aio_rename "$uuid~", $uuid
		3562	and return;
		3563
		3564	warn "uuid file written ($value).\n";
		3565
		3566	1
		3567
		3568	}
		3569
		3570	sub write_uuid($$) {
		3571	my ($skip, $sync) = @_;
		3572
		3573	$sync ? write_uuid_sync $skip
		3574	: async { write_uuid_sync $skip };
2249	}	3575	}
2250		3576
2251	sub emergency_save() {	3577	sub emergency_save() {
2252	my $freeze_guard = cf::freeze_mainloop;	3578	my $freeze_guard = cf::freeze_mainloop;
2253		3579
2254	warn "enter emergency perl save\n";	3580	warn "emergency_perl_save: enter\n";
2255		3581
2256	cf::sync_job {	3582	cf::sync_job {
		3583	# this is a trade-off: we want to be very quick here, so
		3584	# save all maps without fsync, and later call a global sync
		3585	# (which in turn might be very very slow)
		3586	local $USE_FSYNC = 0;
		3587
2257	# use a peculiar iteration method to avoid tripping on perl	3588	# use a peculiar iteration method to avoid tripping on perl
2258	# refcount bugs in for. also avoids problems with players	3589	# refcount bugs in for. also avoids problems with players
2259	# and maps saved/Destroyed asynchronously.	3590	# and maps saved/destroyed asynchronously.
2260	warn "begin emergency player save\n";	3591	warn "emergency_perl_save: begin player save\n";
2261	for my $login (keys %cf::PLAYER) {	3592	for my $login (keys %cf::PLAYER) {
2262	my $pl = $cf::PLAYER{$login} or next;	3593	my $pl = $cf::PLAYER{$login} or next;
2263	$pl->valid or next;	3594	$pl->valid or next;
		3595	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2264	$pl->save;	3596	$pl->save;
2265	}	3597	}
2266	warn "end emergency player save\n";	3598	warn "emergency_perl_save: end player save\n";
2267		3599
2268	warn "begin emergency map save\n";	3600	warn "emergency_perl_save: begin map save\n";
2269	for my $path (keys %cf::MAP) {	3601	for my $path (keys %cf::MAP) {
2270	my $map = $cf::MAP{$path} or next;	3602	my $map = $cf::MAP{$path} or next;
2271	$map->valid or next;	3603	$map->valid or next;
2272	$map->save;	3604	$map->save;
2273	}	3605	}
2274	warn "end emergency map save\n";	3606	warn "emergency_perl_save: end map save\n";
		3607
		3608	warn "emergency_perl_save: begin database checkpoint\n";
		3609	BDB::db_env_txn_checkpoint $DB_ENV;
		3610	warn "emergency_perl_save: end database checkpoint\n";
		3611
		3612	warn "emergency_perl_save: begin write uuid\n";
		3613	write_uuid_sync 1;
		3614	warn "emergency_perl_save: end write uuid\n";
2275	};	3615	};
2276		3616
		3617	warn "emergency_perl_save: starting sync()\n";
		3618	IO::AIO::aio_sync sub {
		3619	warn "emergency_perl_save: finished sync()\n";
		3620	};
		3621
2277	warn "leave emergency perl save\n";	3622	warn "emergency_perl_save: leave\n";
2278	}	3623	}
2279		3624
		3625	sub post_cleanup {
		3626	my ($make_core) = @_;
		3627
		3628	warn Carp::longmess "post_cleanup backtrace"
		3629	if $make_core;
		3630
		3631	my $fh = pidfile;
		3632	unlink $PIDFILE if <$fh> == $$;
		3633	}
		3634
		3635	# a safer delete_package, copied from Symbol
		3636	sub clear_package($) {
		3637	my $pkg = shift;
		3638
		3639	# expand to full symbol table name if needed
		3640	unless ($pkg =~ /^main::.*::$/) {
		3641	$pkg = "main$pkg" if $pkg =~ /^::/;
		3642	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3643	$pkg .= '::' unless $pkg =~ /::$/;
		3644	}
		3645
		3646	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3647	my $stem_symtab = *{$stem}{HASH};
		3648
		3649	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3650	or return;
		3651
		3652	# clear all symbols
		3653	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3654	for my $name (keys %$leaf_symtab) {
		3655	_gv_clear *{"$pkg$name"};
		3656	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3657	}
		3658	warn "cleared package $pkg\n";#d#
		3659	}
		3660
2280	sub reload() {	3661	sub do_reload_perl() {
2281	# can/must only be called in main	3662	# can/must only be called in main
2282	if ($Coro::current != $Coro::main) {	3663	if ($Coro::current != $Coro::main) {
2283	warn "can only reload from main coroutine\n";	3664	warn "can only reload from main coroutine";
2284	return;	3665	return;
2285	}	3666	}
2286		3667
		3668	return if $RELOAD++;
		3669
		3670	my $t1 = EV::time;
		3671
		3672	while ($RELOAD) {
2287	warn "reloading...";	3673	warn "reloading...";
2288		3674
2289	warn "freezing server";	3675	warn "entering sync_job";
2290	my $guard = freeze_mainloop;	3676
		3677	cf::sync_job {
		3678	cf::write_runtime_sync; # external watchdog should not bark
2291	cf::emergency_save;	3679	cf::emergency_save;
		3680	cf::write_runtime_sync; # external watchdog should not bark
2292		3681
2293	warn "sync database to disk";	3682	warn "syncing database to disk";
2294	cf::db_sync;	3683	BDB::db_env_txn_checkpoint $DB_ENV;
2295	IO::AIO::flush;
2296		3684
2297	eval {
2298	# if anything goes wrong in here, we should simply crash as we already saved	3685	# if anything goes wrong in here, we should simply crash as we already saved
2299		3686
2300	warn "cancel all watchers";	3687	warn "flushing outstanding aio requests";
2301	for (Event::all_watchers) {	3688	while (IO::AIO::nreqs || BDB::nreqs) {
2302	$_->cancel if $_->data & WF_AUTOCANCEL;	3689	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2303	}
2304
2305	warn "cancel all extension coros";
2306	$_->cancel for values %EXT_CORO;
2307	%EXT_CORO = ();
2308
2309	warn "remove commands";
2310	%COMMAND = ();
2311
2312	warn "remove ext commands";
2313	%EXTCMD = ();
2314
2315	warn "unload/nuke all extensions";
2316	for my $pkg (@EXTS) {
2317	warn "... unloading $pkg";
2318
2319	if (my $cb = $pkg->can ("unload")) {
2320	eval {
2321	$cb->($pkg);
2322	1
2323	} or warn "$pkg unloaded, but with errors: $@";
2324	}	3690	}
2325		3691
		3692	warn "cancelling all extension coros";
		3693	$_->cancel for values %EXT_CORO;
		3694	%EXT_CORO = ();
		3695
		3696	warn "removing commands";
		3697	%COMMAND = ();
		3698
		3699	warn "removing ext/exti commands";
		3700	%EXTCMD = ();
		3701	%EXTICMD = ();
		3702
		3703	warn "unloading/nuking all extensions";
		3704	for my $pkg (@EXTS) {
2326	warn "... nuking $pkg";	3705	warn "... unloading $pkg";
2327	Symbol::delete_package $pkg;
2328	}
2329		3706
2330	warn "unload all perl modules loaded from $LIBDIR";
2331	while (my ($k, $v) = each %INC) {
2332	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2333
2334	warn "removing <$k>";
2335	delete $INC{$k};
2336
2337	$k =~ s/\.pm$//;
2338	$k =~ s/\//::/g;
2339
2340	if (my $cb = $k->can ("unload_module")) {	3707	if (my $cb = $pkg->can ("unload")) {
		3708	eval {
2341	$cb->();	3709	$cb->($pkg);
		3710	1
		3711	} or warn "$pkg unloaded, but with errors: $@";
		3712	}
		3713
		3714	warn "... clearing $pkg";
		3715	clear_package $pkg;
2342	}	3716	}
2343		3717
2344	Symbol::delete_package $k;	3718	warn "unloading all perl modules loaded from $LIBDIR";
		3719	while (my ($k, $v) = each %INC) {
		3720	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3721
		3722	warn "... unloading $k";
		3723	delete $INC{$k};
		3724
		3725	$k =~ s/\.pm$//;
		3726	$k =~ s/\//::/g;
		3727
		3728	if (my $cb = $k->can ("unload_module")) {
		3729	$cb->();
		3730	}
		3731
		3732	clear_package $k;
2345	}	3733	}
2346		3734
2347	warn "get rid of safe::, as good as possible";	3735	warn "getting rid of safe::, as good as possible";
2348	Symbol::delete_package "safe::$_"	3736	clear_package "safe::$_"
2349	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3737	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2350		3738
2351	warn "unload cf.pm \"a bit\"";	3739	warn "unloading cf.pm \"a bit\"";
2352	delete $INC{"cf.pm"};	3740	delete $INC{"cf.pm"};
		3741	delete $INC{"cf/pod.pm"};
2353		3742
2354	# don't, removes xs symbols, too,	3743	# don't, removes xs symbols, too,
2355	# and global variables created in xs	3744	# and global variables created in xs
2356	#Symbol::delete_package __PACKAGE__;	3745	#clear_package __PACKAGE__;
2357		3746
		3747	warn "unload completed, starting to reload now";
		3748
2358	warn "reloading cf.pm";	3749	warn "reloading cf.pm";
2359	require cf;	3750	require cf;
2360	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3751	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2361		3752
2362	warn "load config and database again";	3753	warn "loading config and database again";
2363	cf::cfg_load;	3754	cf::reload_config;
2364	cf::db_load;
2365		3755
2366	warn "load extensions";	3756	warn "loading extensions";
2367	cf::load_extensions;	3757	cf::load_extensions;
2368		3758
		3759	if ($REATTACH_ON_RELOAD) {
2369	warn "reattach attachments to objects/players";	3760	warn "reattaching attachments to objects/players";
2370	_global_reattach;	3761	_global_reattach; # objects, sockets
2371	warn "reattach attachments to maps";	3762	warn "reattaching attachments to maps";
2372	reattach $_ for values %MAP;	3763	reattach $_ for values %MAP;
		3764	warn "reattaching attachments to players";
		3765	reattach $_ for values %PLAYER;
		3766	}
		3767
		3768	warn "running post_init jobs";
		3769	(pop @POST_INIT)->(1) while @POST_INIT;
		3770
		3771	warn "leaving sync_job";
		3772
		3773	1
		3774	} or do {
		3775	warn $@;
		3776	cf::cleanup "error while reloading, exiting.";
		3777	};
		3778
		3779	warn "reloaded";
		3780	--$RELOAD;
		3781	}
		3782
		3783	$t1 = EV::time - $t1;
		3784	warn "reload completed in ${t1}s\n";
		3785	};
		3786
		3787	our $RELOAD_WATCHER; # used only during reload
		3788
		3789	sub reload_perl() {
		3790	# doing reload synchronously and two reloads happen back-to-back,
		3791	# coro crashes during coro_state_free->destroy here.
		3792
		3793	$RELOAD_WATCHER ||= cf::async {
		3794	Coro::AIO::aio_wait cache_extensions;
		3795
		3796	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3797	do_reload_perl;
		3798	undef $RELOAD_WATCHER;
		3799	};
2373	};	3800	};
2374		3801	}
2375	if ($@) {
2376	warn $@;
2377	warn "error while reloading, exiting.";
2378	exit 1;
2379	}
2380
2381	warn "reloaded";
2382	};
2383		3802
2384	register_command "reload" => sub {	3803	register_command "reload" => sub {
2385	my ($who, $arg) = @_;	3804	my ($who, $arg) = @_;
2386		3805
2387	if ($who->flag (FLAG_WIZ)) {	3806	if ($who->flag (FLAG_WIZ)) {
2388	$who->message ("start of reload.");
2389	reload;
2390	$who->message ("end of reload.");	3807	$who->message ("reloading server.");
		3808	async {
		3809	$Coro::current->{desc} = "perl_reload";
		3810	reload_perl;
		3811	};
2391	}	3812	}
2392	};	3813	};
2393		3814
2394	unshift @INC, $LIBDIR;	3815	unshift @INC, $LIBDIR;
2395		3816
2396	$TICK_WATCHER = Event->timer (	3817	my $bug_warning = 0;
2397	reentrant => 0,
2398	prio => 0,
2399	at => $NEXT_TICK || $TICK,
2400	data => WF_AUTOCANCEL,
2401	cb => sub {
2402	$NOW = Event::time;
2403		3818
		3819	our @WAIT_FOR_TICK;
		3820	our @WAIT_FOR_TICK_BEGIN;
		3821
		3822	sub wait_for_tick {
		3823	return if tick_inhibit || $Coro::current == $Coro::main;
		3824
		3825	my $signal = new Coro::Signal;
		3826	push @WAIT_FOR_TICK, $signal;
		3827	$signal->wait;
		3828	}
		3829
		3830	sub wait_for_tick_begin {
		3831	return if tick_inhibit || $Coro::current == $Coro::main;
		3832
		3833	my $signal = new Coro::Signal;
		3834	push @WAIT_FOR_TICK_BEGIN, $signal;
		3835	$signal->wait;
		3836	}
		3837
		3838	sub tick {
		3839	if ($Coro::current != $Coro::main) {
		3840	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3841	unless ++$bug_warning > 10;
		3842	return;
		3843	}
		3844
2404	cf::server_tick; # one server iteration	3845	cf::server_tick; # one server iteration
2405	$RUNTIME += $TICK;
2406	$NEXT_TICK += $TICK;
2407		3846
2408	$WAIT_FOR_TICK->broadcast;	3847	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2409	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3848	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2410		3849	Coro::async_pool {
2411	# if we are delayed by four ticks or more, skip them all	3850	$Coro::current->{desc} = "runtime saver";
2412	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2413
2414	$TICK_WATCHER->at ($NEXT_TICK);
2415	$TICK_WATCHER->start;
2416	},
2417	);
2418
2419	IO::AIO::max_poll_time $TICK * 0.2;
2420
2421	Event->io (
2422	fd => IO::AIO::poll_fileno,
2423	poll => 'r',
2424	prio => 5,
2425	data => WF_AUTOCANCEL,
2426	cb => \&IO::AIO::poll_cb,
2427	);
2428
2429	Event->timer (
2430	data => WF_AUTOCANCEL,
2431	after => 0,
2432	interval => 10,
2433	cb => sub {
2434	(Coro::unblock_sub {
2435	write_runtime	3851	write_runtime_sync
2436	or warn "ERROR: unable to write runtime file: $!";	3852	or warn "ERROR: unable to write runtime file: $!";
2437	})->();	3853	};
2438	},	3854	}
2439	);	3855
		3856	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3857	$sig->send;
		3858	}
		3859	while (my $sig = shift @WAIT_FOR_TICK) {
		3860	$sig->send;
		3861	}
		3862
		3863	$LOAD = ($NOW - $TICK_START) / $TICK;
		3864	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3865
		3866	if (0) {
		3867	if ($NEXT_TICK) {
		3868	my $jitter = $TICK_START - $NEXT_TICK;
		3869	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3870	warn "jitter $JITTER\n";#d#
		3871	}
		3872	}
		3873	}
		3874
		3875	{
		3876	# configure BDB
		3877
		3878	BDB::min_parallel 8;
		3879	BDB::max_poll_reqs $TICK * 0.1;
		3880	$AnyEvent::BDB::WATCHER->priority (1);
		3881
		3882	unless ($DB_ENV) {
		3883	$DB_ENV = BDB::db_env_create;
		3884	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3885	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3886	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3887	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3888	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3889
		3890	cf::sync_job {
		3891	eval {
		3892	BDB::db_env_open
		3893	$DB_ENV,
		3894	$BDBDIR,
		3895	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3896	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3897	0666;
		3898
		3899	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3900	};
		3901
		3902	cf::cleanup "db_env_open(db): $@" if $@;
		3903	};
		3904	}
		3905
		3906	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3907	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3908	};
		3909	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3910	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3911	};
		3912	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3913	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3914	};
		3915	}
		3916
		3917	{
		3918	# configure IO::AIO
		3919
		3920	IO::AIO::min_parallel 8;
		3921	IO::AIO::max_poll_time $TICK * 0.1;
		3922	undef $AnyEvent::AIO::WATCHER;
		3923	}
		3924
		3925	my $_log_backtrace;
		3926
		3927	sub _log_backtrace {
		3928	my ($msg, @addr) = @_;
		3929
		3930	$msg =~ s/\n//;
		3931
		3932	# limit the # of concurrent backtraces
		3933	if ($_log_backtrace < 2) {
		3934	++$_log_backtrace;
		3935	my $perl_bt = Carp::longmess $msg;
		3936	async {
		3937	$Coro::current->{desc} = "abt $msg";
		3938
		3939	my @bt = fork_call {
		3940	@addr = map { sprintf "%x", $_ } @addr;
		3941	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3942	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3943	or die "addr2line: $!";
		3944
		3945	my @funcs;
		3946	my @res = <$fh>;
		3947	chomp for @res;
		3948	while (@res) {
		3949	my ($func, $line) = splice @res, 0, 2, ();
		3950	push @funcs, "[$func] $line";
		3951	}
		3952
		3953	@funcs
		3954	};
		3955
		3956	LOG llevInfo, "[ABT] $perl_bt\n";
		3957	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3958	LOG llevInfo, "[ABT] $_\n" for @bt;
		3959	--$_log_backtrace;
		3960	};
		3961	} else {
		3962	LOG llevInfo, "[ABT] $msg\n";
		3963	LOG llevInfo, "[ABT] [suppressed]\n";
		3964	}
		3965	}
		3966
		3967	# load additional modules
		3968	use cf::pod;
2440		3969
2441	END { cf::emergency_save }	3970	END { cf::emergency_save }
2442		3971
2443	1	3972	1
2444		3973

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